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+2012-12-27 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_deligitimze_address): Do not
+ delegitimize TLS addresses on AIX.
+ (rs6000_legitimize_tls_address_aix): Append TLS symbol qualifier.
+ Set SYMBOL_FLAG_LOCAL on module symbol.
+ (output_toc): Do not append TLS symbol qualifier here.
+ * config/rs6000/rs6000.md (tls_get_addr_internal): Add GPR 4 to
+ clobbers.
+
+2012-12-27 Andreas Schwab <schwab@linux-m68k.org>
+
+ * target.def (supports_function_versions): Fix typo.
+
+2012-12-26 Sriraman Tallam <tmsriram@google.com>
+
+ * doc/tm.texi.in (TARGET_OPTION_SUPPORTS_FUNCTION_VERSIONS): Document
+ new target hook.
+ * doc/tm.texi: Regenerate.
+ * c-family/c-common.c (handle_target_attribute): Retain target attribute
+ for targets that support versioning.
+ * target.def (supports_function_versions): New hook.
+ * cp/class.c (add_method): Remove calls
+ to DECL_FUNCTION_SPECIFIC_TARGET.
+ * config/i386/i386.c (ix86_function_versions): Use target string
+ to check for function versions instead of target flags.
+ * (ix86_supports_function_versions): New function.
+ * (is_function_default_version): Check target string.
+ * TARGET_OPTION_SUPPORTS_FUNCTION_VERSIONS: New macro.
+
+2012-12-27 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cgraph.c (verify_cgraph_node): Don't allocate/free visited_nodes set.
+
+2012-12-25 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/53789
+ * config/pa/pa.md (movsi): Reject expansion of TLS symbol references
+ after reload starts.
+
+2012-12-22 Jan Hubicka <jh@suse.cz>
+
+ PR lto/54728
+ * cgraph.h (symtab_real_symbol_p): Drop code looking for external functions.
+ * lto-streamer-out.c (output_symbol_p): New function.
+ (produce_symtab) Use it.
+
+2012-12-21 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/55355
+ * tree-sra.c (type_internals_preclude_sra_p): Also check that
+ bit_position is small enough to fit a single HOST_WIDE_INT.
+
+2012-12-21 Eric Botcazou <ebotcazou@adacore.com>
+
+ * rtlanal.c (volatile_insn_p): Delete commented out code.
+ (side_effects_p): Likewise.
+ (may_trap_p_1) <UNSPEC_VOLATILE>: Return 1 again.
+ * target.def (unspec_may_trap_p): Adjust comment.
+ * targhooks.c (default_unspec_may_trap_p): Don't handle UNSPEC_VOLATILE.
+ * config/ia64/ia64.c (ia64_unspec_may_trap_p): Adjust to above change.
+
+2012-12-21 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR middle-end/55775
+ * lra-assigns.c (improve_inheritance): Do nothing after
+ LRA_MAX_INHERITANCE_PASSES pass.
+ * lra-constraints.c (MAX_CONSTRAINT_ITERATION_NUMBER): Rename to
+ LRA_MAX_CONSTRAINT_ITERATION_NUMBER. Move to lra-int.h.
+ (MAX_INHERITANCE_PASSES): Rename to LRA_MAX_INHERITANCE_PASSES.
+ Move to lra-int.h.
+ * lra-int.h (LRA_MAX_CONSTRAINT_ITERATION_NUMBER): Move from
+ lra-constraints.c.
+ (LRA_MAX_INHERITANCE_PASSES): Ditto.
+
+2012-12-21 Steve Ellcey <sellcey@mips.com>
+
+ PR bootstrap/54128
+ * ira.c (build_insn_chain): Check only NONDEBUG instructions for
+ register usage.
+
+2012-12-21 David Edelsohn <dje.gcc@gmail.com>
+
+ * varasm.c (bss_initializer_p): Remove static.
+ * output.h (bss_initializer_p): Declare.
+ * xcoffout.c (xcoff_tbss_section_name): Define.
+ * xcoffout.h (xcoff_tbss_section_name): Declare.
+ * config/rs6000/xcoff.h (TARGET_ENCODE_SECTION_INFO): Define.
+ (ASM_OUTPUT_TLS_COMMON): Merge strings.
+ * config/rs6000/rs6000.c (tls_private_data_section): New.
+ (output_toc): Only output CSECT decoration for TLS.
+ Output appropriate CSECT for data or bss.
+ (rs6000_xcoff_asm_init_sections) Define tls_private_data_section.
+ (rs6000_xcoff_select_section): Handle TLS bss and private data.
+ (rs6000_xcoff_file_start): Generate xcoff_tbss_section_name.
+ (rs6000_xcoff_encode_section_info): Strip SYMBOL_FLAG_HAS_BLOCK_INFO
+ from native TLS symbols.
+
+2012-12-21 Richard Biener <rguenther@suse.de>
+
+ PR rtl-optimization/52996
+ * cprop.c (bypass_block): When loops are to be preserved
+ do not bypass loop headers. Revert earlier kludge to remove
+ loops when doing that.
+
+2012-12-21 Richard Biener <rguenther@suse.de>
+
+ PR bootstrap/54659
+ * system.h: Include gmp.h.
+ * tree-ssa-loop-niter.c: Do not include gmp.h here.
+ * double-int.h: Likewise.
+ * realmpfr.h: Likewise.
+
+2012-12-21 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/cortex-a7.md: New file.
+ * config/arm/t-arm (MD_INCLUDES): Add cortex-a7.md.
+ * config/arm/arm.md: Include cortex-a7.md.
+ (generic_sched): Don't use generic scheduler for Cortex-A7.
+ (generic_vfp): Likewise.
+ * config/arm/arm.c: (TARGET_SCHED_REORDER): Use arm_sched_reorder.
+ (arm_sched_reorder,cortexa7_sched_reorder): New function.
+ (cortexa7_older_only,cortexa7_younger): Likewise.
+ (arm_issue_rate): Add Cortex-A7.
+
+2012-12-20 Ian Bolton <ian.bolton@arm.com>
+
+ * gcc/config/aarch64/aarch64.md
+ (*addsi3_aarch64_uxtw): New pattern.
+ (*addsi3_compare0_uxtw): New pattern.
+ (*add_<shift>_si_uxtw): New pattern.
+ (*add_<optab><SHORT:mode>_si_uxtw): New pattern.
+ (*add_<optab><SHORT:mode>_shft_si_uxtw): New pattern.
+ (*add_<optab><SHORT:mode>_mult_si_uxtw): New pattern.
+ (*add_<optab>si_multp2_uxtw): New pattern.
+ (*addsi3_carryin_uxtw): New pattern.
+ (*addsi3_carryin_alt1_uxtw): New pattern.
+ (*addsi3_carryin_alt2_uxtw): New pattern.
+ (*addsi3_carryin_alt3_uxtw): New pattern.
+ (*add_uxtsi_multp2_uxtw): New pattern.
+ (*subsi3_uxtw): New pattern.
+ (*subsi3_compare0_uxtw): New pattern.
+ (*sub_<shift>_si_uxtw): New pattern.
+ (*sub_mul_imm_si_uxtw): New pattern.
+ (*sub_<optab><SHORT:mode>_si_uxtw): New pattern.
+ (*sub_<optab><SHORT:mode>_shft_si_uxtw): New pattern.
+ (*sub_<optab>si_multp2_uxtw): New pattern.
+ (*sub_uxtsi_multp2_uxtw): New pattern.
+ (*negsi2_uxtw): New pattern.
+ (*negsi2_compare0_uxtw): New pattern.
+ (*neg_<shift>_si2_uxtw): New pattern.
+ (*neg_mul_imm_si2_uxtw): New pattern.
+ (*mulsi3_uxtw): New pattern.
+ (*maddsi_uxtw): New pattern.
+ (*msubsi_uxtw): New pattern.
+ (*mulsi_neg_uxtw): New pattern.
+ (*<su_optab>divsi3_uxtw): New pattern.
+
+2012-12-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/55750
+ * gimplify.c (gimplify_self_mod_expr): Don't force lvalue to
+ pass is_gimple_min_lval.
+
+2012-12-20 Richard Henderson <rth@redhat.com>
+ Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/constraints.md (NxxDq, NxxSq): New.
+ * config/s390/predicates.md (contiguous_bitmask_operand): New.
+ * config/s390/s390.c (print_operand) ['e', 'f', 's', 't']: New
+ operand letters.
+ * config/s390/s390.md (bfstart, bfend): New mode attrs.
+ (*insv<GPR>_zEC12_noshift): Use them.
+ (*insv<GPR>_z10_noshift): Likewise.
+ (*insv<GPR>_or_z10_noshift): Likewise.
+
+ * config/s390/s390.md (*insv_l_di_reg_extimm): Un-macroize from :P.
+
+ * config/s390/s390.md (*anddi3_cc): Add risbg alternative.
+ (*anddi3_cconly, *anddi3): Likewise.
+ (*andsi3, *andsi3_cconly, *andsi3_zarch): Likewise.
+
+ * config/s390/s390.md (bitsize): New mode attr.
+ (*extzv<GPR>, *extzv<GPR>, *insv<GPR>_zEC12, *insv<GPR>_z10): Use it.
+ (extend<HQI><DSI>2, zero_extend<HQI>si2): Likewise.
+ (zero_extend<HQI>di2, fixuns_trunc<BFP><GPR>2): Likewise.
+
+ * config/s390/predicates.md (nonzero_shift_count_operand): New.
+ * config/s390/s390-protos.h (s390_extzv_shift_ok): Declare.
+ * config/s390/s390.c (s390_extzv_shift_ok): New function.
+ * config/s390/s390.md (extzv): New expander.
+ (*extzv<GPR>_zEC12, *extzv<GPR>_z10): New insns.
+ (*pre_z10_extzv<GPR>): Rename from *extzv<GPR>; simplify with
+ nonzero_shift_count_operand.
+ (*extzv_<GPR>_srl, *extzv_<GPR>_sll): New insns.
+
+ * config/s390/s390.md (IXOR): New code iterator.
+ (*r<IXOR>sbg_<GPR>_noshift): Rename from *insv<GPR>_or_z10_noshift;
+ macro-ize to handle XOR too.
+ (*r<IXOR>sbg_di_rotl, *r<IXOR>sbg_<GPR>_srl, *r<IXOR>sbg_<GPR>_sll):
+ New patterns.
+
+ * config/s390/s390.md (*insv_rnsbg_noshift, *insv_rnsbg_srl): New.
+
+2012-12-20 Thomas Schwinge <thomas@codesourcery.com>
+
+ PR bootstrap/55202
+ * configure.ac <PLUGIN_LD_SUFFIX>: Use POSIX shell syntax.
+ * configure: Regenerate.
+
+2012-12-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ PR target/55754
+ * config/arm/arm.c (arm_canonicalize_comparison): Remove
+ op0_preserve_value check for zero_extend to and transformation.
+
+2012-12-20 Teresa Johnson <tejohnson@google.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR gcov-profile/55734
+ * gcov-io.c (gcov_read_summary): Use __builtin_popcount instead
+ of __builtin_popcountll when building libgcov.a, otherwise use
+ popcount_hwi.
+ (gcov_histo_index): When not building libgcov.a, use floor_log2
+ instead of __builtin_clzll.
+
+2012-12-20 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/55740
+ * cfghooks.c (merge_blocks): Properly handle merging of
+ two loop headers.
+
+2012-12-20 Roland Stigge <stigge@debian.org>
+ Matthias Klose <doko@ubuntu.com>
+
+ * config/rs6000/t-spe (MULTIARCH_DIRNAME): Remove.
+ * config/rs6000/t-linux (MULTIARCH_DIRNAME): Define name for
+ powerpc-linux-gnuspe.
+
+2012-12-19 Matthias Klose <doko@ubuntu.com>
+
+ * config/i386/t-kfreebsd (MULTIARCH_DIRNAME): Add comma to
+ separate arguments in make function.
+
+2012-12-19 Uros Bizjak <ubizjak@gmail.com>
+ Yuri Rumyantsev <ysrumyan@gmail.com>
+
+ * config/i386/i386.h (enum ix86_tune_indices): Add
+ X86_TUNE_AVOID_MEM_OPND_FOR_CMOVE.
+ (TARGET_AVOID_MEM_OPND_FOR_CMOVE): New define.
+ * config/i386/i386.c (initial_ix86_tune_features)
+ <X86TUNE_AVOID_MEM_OPND_FOR_CMOVE>: Initialize.
+ * config/i386/i386.md (splitters to avoid cmove memory operands): New.
+ (peephole2s to avoid cmove memory operands): New.
+
+2012-12-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/arm/arm.md (f_minmaxs, f_minmaxd): New types.
+ * config/arm/vfp.md (smax<mode>3): New pattern.
+ (smin<mode>3): Likewise.
+
+2012-12-19 Richard Biener <rguenther@suse.de>
+
+ * targhooks.h (default_canonicalize_comparison): Fix prototype.
+ * targhooks.c (default_canonicalize_comparison): Define.
+
+2012-12-19 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/55736
+ PR tree-optimization/55703
+ * gimplify.c (prune_expr_location): New function.
+ (unshare_expr_without_location): Likewise.
+ * tree.h (unshare_expr_without_location): Declare.
+ * ipa-prop.c (prune_expression_for_jf): Remove.
+ (prune_expression_for_jf_1): Likewise.
+ (ipa_set_jf_constant): Use unshare_expr_without_location.
+ (ipa_set_jf_arith_pass_through): Likewise.
+ (determine_known_aggregate_parts): Likewise.
+ * tree-switch-conversion.c (build_constructors): Use
+ unshare_expr_without_location on all constructor elements.
+
+2012-12-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * target.def: Define canonicalize_comparison hook.
+ * targhooks.h (default_canonicalize_comparison): New prototype.
+ * targhooks.c (default_canonicalize_comparison): New function.
+ * doc/tm.texi: Add documentation for the new target hook.
+ * doc/tm.texi.in: Likewise.
+ * combine.c (try_combine): Adjust to use the target hook.
+ * config/alpha/alpha.h (CANONICALIZE_COMPARISON): Remove macro
+ definition.
+ * config/alpha/alpha.c (alpha_canonicalize_comparison): New function.
+ (TARGET_CANONICALIZE_COMPARISON): New macro definition.
+ * config/arm/arm-protos.h (arm_canonicalize_comparison): Remove
+ prototype.
+ * config/arm/arm.c (arm_canonicalize_comparison): Add new parameter.
+ (TARGET_CANONICALIZE_COMPARISON): New macro definition.
+ * config/arm/arm.h (CANONICALIZE_COMPARISON): Remove macro definition.
+ * config/s390/s390-protos.h (s390_canonicalize_comparison): Remove
+ prototype.
+ * config/s390/s390.c (s390_canonicalize_comparison): Add new parameter.
+ (TARGET_CANONICALIZE_COMPARISON): New macro definition.
+ * config/s390/s390.h (CANONICALIZE_COMPARISON): Remove macro definition.
+ * config/sh/sh-protos.h (sh_canonicalize_comparison): Remove prototype.
+ * config/sh/sh.c (sh_canonicalize_comparison): Add new prototype. New
+ function overloading the old one.
+ (TARGET_CANONICALIZE_COMPARISON): New macro definition.
+ * config/sh/sh.h (CANONICALIZE_COMPARISON): Remove macro definition.
+ * config/spu/spu.c (spu_canonicalize_comparison): New function.
+ (TARGET_CANONICALIZE_COMPARISON): New macro definition.
+ * config/spu/spu.h (CANONICALIZE_COMPARISON): Remove macro definition.
+
+2012-12-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/55730
+ * dwarf2out.c (mem_loc_descriptor): Ignore CLOBBER.
+ * valtrack.c (gen_lowpart_for_debug): New function.
+ (propagate_for_debug): Temporarily set rtl_hooks.gen_lowpart_no_emit
+ to gen_lowpart_for_debug.
+
+2012-12-18 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/55683
+ * ipa-prop.c (try_make_edge_direct_virtual_call): Look into constants
+ for binfo.
+
+2012-12-19 Terry Guo <terry.guo@arm.com>
+
+ * config/arm/arm.c (thumb_find_work_register): Check argument
+ register number based on current PCS.
+
+2012-12-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/55562
+ * sbitmap.c (bitmap_and, bitmap_xor, bitmap_ior): Return whether
+ dst sbitmap changed even if it doesn't have popcount.
+
+2012-12-18 James Greenhalgh <james.greenhalgh@arm.com>
+
+ * config/aarch64/aarch64.md (insv_imm<mode>): Add modes
+ for source operands.
+
+2012-12-18 James Greenhalgh <james.greenhalgh@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_simd_attr_length_move):
+ Remove unused variables.
+ (aarch64_split_compare_and_swap): Likewise.
+
+2012-12-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/arm/driver-arm.c (arm_cpu_table): Add Cortex-A7.
+
+2012-12-18 Aldy Hernandez <aldyh@redhat.com>
+
+ PR other/54324
+ * doc/install.texi (Tools/packages necessary for building GCC):
+ Suggest --disable-stage1-checking for older GCC's.
+
+2012-12-18 Aldy Hernandez <aldyh@redhat.com>
+
+ PR other/54324
+ * tree-ssa-coalesce.c (struct ssa_name_var_hash): Remove "union"
+ from template parameter.
+
+2012-12-18 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/54838
+ * cfgloopmanip.c (fix_loop_structure): Re-discover latch
+ edges first and mark loops for removal if no latch edges remain.
+ Properly re-create LOOPS_HAVE_FALLTHRU_PREHEADERS.
+ * loop-init.c (loop_optimizer_finalize): Set
+ LOOPS_MAY_HAVE_MULTIPLE_LATCHES.
+
+2012-12-18 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/55555
+ * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Properly
+ analyze evolution of the index for the loop it is used in.
+ * tree-scalar-evolution.c (instantiate_scev_name): Take
+ inner loop we will be creating a chrec for. Generalize
+ fix for PR40281 and prune invalid SCEVs.
+ (instantiate_scev_poly): Likewise - pass down inner loop
+ we will be creating a chrec for.
+ (instantiate_scev_binary): Take and pass through inner loop.
+ (instantiate_array_ref): Likewise.
+ (instantiate_scev_convert): Likewise.
+ (instantiate_scev_not): Likewise.
+ (instantiate_scev_3): Likewise.
+ (instantiate_scev_2): Likewise.
+ (instantiate_scev_1): Likewise.
+ (instantiate_scev_r): Likewise.
+ (resolve_mixers): Adjust.
+ (instantiate_scev): Likewise.
+
+2012-12-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/55717
+ * rtlhooks-def.h (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Define to
+ gen_lowpart_if_possible.
+ (gen_lowpart_no_emit_general): Remove prototype.
+ * rtlhooks.c (gen_lowpart_no_emit_general): Removed.
+ * simplify-rtx.c (simplify_unary_operation_1,
+ simplify_binary_operation_1): Continue simplifying if
+ rtl_hooks.gen_lowpart_no_emit returns NULL_RTX.
+ * dwarf2out.c (mem_loc_descriptor) <case TRUNCATE>: Handle
+ truncation like lowpart SUBREG.
+
+2012-12-17 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/contrib.texi (Contributors): Update Kaveh Ghazi's entry;
+ remove broken link to Rutgers University.
+
+2012-12-17 Jan-Benedict Glaw <jbglaw@lug-owl.de>
+
+ * varasm.c (pending_assemble_externals_processed): Guard
+ with ASM_OUTPUT_EXTERNAL.
+
+2012-12-17 Andrew Stubbs <ams@codesourcery.com>
+ Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * config/arm/arm.md (zero_extend<mode>di2): Add extra alternatives
+ for NEON registers.
+ Add alternative for one-instruction extend-in-place.
+ (extend<mode>di2): Likewise.
+ Add constraints for Thumb-mode memory loads.
+ Prevent extend splitters doing NEON alternatives.
+ * config/arm/iterators.md (qhs_extenddi_cstr, qhs_zextenddi_cstr):
+ Adjust constraints to add new alternatives.
+ * config/arm/neon.md: Add splitters for zero- and sign-extend.
+
+2012-12-17 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.md (type): Add "simple_alu_shift" to attribute "type".
+ (core_cycles): Update for simple_alu_shift.
+ (thumb1_zero_extendhisi2,arm_zero_extendhisi2_v6): Use simple_alu_shift
+ instead of a CPU-speicific condition for "type" attribute.
+ (thumb1_zero_extendqisi2_v6,arm_zero_extendqisi2_v6): Likewise.
+ (thumb1_extendhisi2,arm_extendhisi2_v6,arm_extendqisi_v6): Likewise.
+ (thumb1_extendqisi2): Likewise.
+ * config/arm/thumb2.md (thumb2_extendqisi_v6): Likewise.
+ (thumb2_zero_extendhisi2_v6,thumb2_zero_extendqisi2_v6) Likewise.
+ * config/arm/arm1020e.md (alu_shift_op): Use simple_alu_shift.
+ * config/arm/arm1026ejs.md (alu_shift_op): Likewise.
+ * config/arm/arm1136jfs.md (11_alu_shift_op): Likewise.
+ * config/arm/arm926ejs.md (9_alu_op): Likewise.
+ * config/arm/cortex-a15.md (cortex_a15_alu_shift): Likewise.
+ * config/arm/cortex-a5.md (cortex_a5_alu_shift): Likewise.
+ * config/arm/cortex-a8.md (cortex_a8_alu_shift,cortex_a8_mov): Likewise.
+ * config/arm/cortex-a9.md (cortex_a9_dp,cortex_a9_dp_shift): Likewise.
+ * config/arm/cortex-m4.md (cortex_m4_alu): Likewise.
+ * config/arm/cortex-r4.md (cortex_r4_alu_shift): Likewise.
+ * config/arm/fa526.md (526_alu_shift_op): Likewise.
+ * config/arm/fa606te.md (fa606te_core): Likewise.
+ * config/arm/fa626te.md (626te_alu_shift_op): Likewise.
+ * config/arm/fa726te.md (726te_alu_shift_op): Likewise.
+ * config/arm/fmp626.md (mp626_alu_shift_op): Likewise.
+
+2012-12-17 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/54781
+ * alias.c (ao_ref_from_mem): More appropriately constrain the
+ base object we feed to the tree oracle. Remove dead code.
+
+2012-12-17 James Greenhalgh <james.greenhalgh@arm.com>
+ Tejas Belagod <tejas.belagod@arm.com>
+
+ * config/aarch64/aarch64.c
+ (aarch64_autovectorize_vector_sizes): New.
+ (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
+
+2012-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/55709
+ Forward port from 4.7 branch:
+ 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/52894
+ * varasm.c (process_pending_assemble_externals): Set
+ pending_assemble_externals_processed true.
+ (assemble_external): Call assemble_external_real if the pending
+ assemble externals have been processed.
+
+2012-12-16 Eric Botcazou <ebotcazou@adacore.com>
+ Tomash Brechko <tomash.brechko@gmail.com>
+
+ PR target/55673
+ * config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
+ handling of before and after cases.
+ * config/sparc/sync.md (atomic_store): Fix pasto.
+
+2012-12-16 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/55630
+ * expr.c (expand_assignment): Do not call copy_blkmode_to_reg to move
+ BLKmode return values to the return register.
+
+2012-12-15 Alexandre Oliva <aoliva@redhat.com>
+
+ PR libmudflap/53952
+ * expr.c (mem_ref_refers_to_non_mem_p): Factor out
+ implementation into...
+ (addr_expr_of_non_mem_decl_p_1): ... this new function.
+ (addr_expr_of_non_mem_decl_p): New.
+ * tree.h (addr_expr_of_non_mem_decl_p): Declare.
+ * tree-mudflap.c (mf_xform_derefs_1): Don't change MEM_REFs
+ and TARGET_MEM_REFs that have an ADDR_EXPR of a non-mem DECL
+ as base operand.
+
+2012-12-14 Yvan Roux <yvan.roux@linaro.org>
+
+ * optabs.c (expand_atomic_store): Elide redundant model test.
+
+2012-12-14 Teresa Johnson <tejohnson@google.com>
+
+ PR gcov-profile/55674
+ * lto-cgraph.c (merge_profile_summaries): Set min correctly the
+ first time we merge into a histogram entry.
+
+2012-12-14 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/55684
+ * tree-ssa-loop-ivcanon.c (remove_redundant_iv_tests): Handle
+ gracefully the case where we cannot compute the number of
+ iterations at an exit.
+
+2012-12-14 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/55687
+ * tree-chrec.h (no_evolution_in_loop_p): Properly use
+ tree_contains_chrecs.
+
+2012-12-13 Richard Henderson <rth@redhat.com>
+
+ PR middle-end/55492
+ * optabs.c (expand_atomic_load): Emit acquire barrier after the load.
+
+2012-12-13 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_pad_function_end): Consider barriers
+ when looking for NOTE_INSN_CALL_ARG_LOCATION.
+
+2012-12-13 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/53476
+ * varpool.c (varpool_remove_unreferenced_decls): Revert to 4.7
+ behavior.
+
+2012-12-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/arm/unspecs.md: Add copyright notice.
+
+2012-12-13 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-ssa-threadedge.c (propagate_threaded_block_debug_into): Avoid
+ -Wsign-compare warning.
+
+2012-12-13 Richard Biener <rguenther@suse.de>
+
+ PR lto/55660
+ * tree-streamer.c (record_common_node): Check that we are not
+ recursively pre-loading nodes we want to skip. Handle
+ char_type_node appearing as part of va_list_type_node.
+
+2012-12-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR gcov-profile/55650
+ * coverage.c (coverage_obj_init): Return false if no functions
+ are being emitted.
+
+2012-12-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ * bitmap.c (struct bitmap_descriptor): Remove forward declaration.
+ (struct bitmap_head_def): Remove desc pointer. Add descriptor_id
+ field. Reorder fields for pointer alignment.
+ * bitmap.c: Include vec.h.
+ (struct bitmap_descriptor): Rename to bitmap_descriptor_d.
+ (bitmap_descriptor): New typedef, pointer to bitmap_descriptor_d.
+ Update all struct bitmap_descriptor references.
+ (next_bitmap_desc_id): New running index for bitmap desciptors.
+ (bitmap_descriptors): Vec of all bitmap descriptors by descriptor id.
+ (hash_descriptor, eq_descriptor): Update for struct bitmap_descriptor
+ change.
+ (bitmap_descriptor): Rename function to get_bitmap_descriptor.
+ Stuff newly allocated bitmap descriptor into bitmap_descriptors.
+ Set the bitmap descriptor id.
+ (bitmap_register): Lookup bitmap desciptor and store its ID in
+ the passed bitmap.
+ (register_overhead): Likewise.
+ (bitmap_find_bit): Lookup descriptor by id in bitmap_descriptors.
+ (print_statistics): Update for struct bitmap_descriptor change.
+
+ * Makefile.in: Fix bitmap.o dependencies.
+
+2012-12-13 Richard Biener <rguenther@suse.de>
+
+ * tree-ssa-pre.c (get_representative_for): Adjust dumping.
+ Mark created SSA names for release.
+ (eliminate_bb): Insert only when expr is not NULL.
+
+2012-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/55665
+ * tree-inline.c (remap_decls): Change nonlocalized_list
+ to pointer to pointer to vector from pointer to vector.
+ (remap_block): Pass address of BLOCK_NONLOCALIZED_VARS.
+
+ PR sanitizer/55508
+ * builtin-attrs.def (ATTR_TMPURE_NOTHROW_LEAF_LIST,
+ ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST): New.
+ * asan.c (ATTR_TMPURE_NOTHROW_LEAF_LIST,
+ ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST): Define.
+ * sanitizer.def: Make __asan_report_* and __asan_handle_no_return
+ builtins tm pure.
+
+2012-12-12 Steve Ellcey <sellcey@mips.com>
+
+ * config/mips/mips.c (mips_option_override): Set
+ mips_dbx_regno entries to IGNORED_DWARF_REGNUM by default.
+
+2012-12-12 Steven Bosscher <steven@gcc.gnu.org>
+
+ * graph.c: Include sbitmap.h and cfgloop.h.
+ (draw_cfg_nodes_no_loops): New function to dump basic blocks in
+ topological order if the function does not have a loop tree.
+ Handle unreachable blocks also.
+ (draw_cfg_nodes_for_loop): New function to dump basic blocks in
+ one loop tree node as a named cluster of nodes.
+ (draw_cfg_nodes): New function to draw all CFG nodes.
+ (draw_cfg_edges): New function to draw all CFG edges.
+ (print_graph_cfg): Simplify using the new functions.
+ * Makefile.in (graph.o): Fix dependencies.
+
+2012-12-12 Steven Bosscher <steven@gcc.gnu.org>
+
+ * dumpfile.h (enum tree_dump_index): Remove TDI_vcg.
+ * dumpfile.c (dump_files[]): Remove entry for TDI_vcg.
+ * tree-cfg.c (gimple_cfg2vcg): Remove.
+ (build_gimple_cfg): Don't call it.
+ * doc/invoke.texi (-fdump-tree-vcg): Remove documentation.
+ Correct GraphViz documentation, it does handle multiple functions
+ in a single dump.
+
+2012-12-12 Zdenek Dvorak <ook@ucw.cz>
+
+ PR tree-optimization/55481
+ * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fall
+ back to general rewriting if we cannot leave an original biv
+ definition alone.
+
+2012-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/55659
+ Revert
+ 2012-12-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/43631
+ * var-tracking.c (emit_note_insn_var_location): If insn is followed
+ by BARRIER, put note after the BARRIER.
+ (next_non_note_insn_var_location): Skip over BARRIERs.
+ (emit_notes_in_bb): If call is followed by BARRIER, put note after
+ the BARRIER.
+
+ 2012-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/43631
+ * var-tracking.c (emit_note_insn_var_location, emit_notes_in_bb):
+ Clear BLOCK_FOR_INSN on notes emitted in between basic blocks,
+ don't adjust BB_END when inserting note after BB_END of some bb.
+
+2012-12-12 Steven Bosscher <steven@gcc.gnu.org>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52640
+ * varasm.c (pending_assemble_externals_set): New pointer set.
+ (process_pending_assemble_externals): Destroy the pointer set.
+ (assemble_external): See if decl is in pending_assemble_externals_set,
+ and add it to pending_assemble_externals if necessary.
+ (init_varasm_once): Allocate pending_assemble_externals_set.
+
+2012-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/55633
+ * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk):
+ Ignore bounds on which bound += double_int_one overflowed.
+
+2012-12-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/54121
+ * config/sparc/sparc.md (tldo_stb_sp32): Fix pasto.
+ (tldo_stb_sp64): Likewise.
+ (tldo_sth_sp32): Likewise.
+ (tldo_sth_sp64): Likewise.
+ (tldo_stw_sp32): Likewise.
+ (tldo_stw_sp64): Likewise.
+ (tldo_stx_sp64): Likewise.
+
+2012-12-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/55193
+ * lra-constraints.c (loc_equivalence_callback): New function.
+ (lra_constraints): Call simplify_replace_fn_rtx instead of
+ loc_equivalence_change_p on DEBUG_INSNs.
+
+2012-12-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ PR target/55642
+ * config/arm/thumb2.md (*thumb2_abssi2):
+ Set ce_count attribute to 2.
+ (*thumb2_neg_abssi2): Likewise.
+
+2012-12-11 Jakub Jelinek <jakub@redhat.com>
+
+ * varasm.c (get_variable_section): Don't return lcomm_section
+ for asan_protect_global decls.
+ * asan.c (asan_protect_global): Only avoid public common variables.
+ Don't call get_variable_section here.
+
+ PR middle-end/43631
+ PR bootstrap/55615
+ * var-tracking.c (emit_note_insn_var_location): If insn is followed
+ by BARRIER, put note after the BARRIER.
+ (next_non_note_insn_var_location): Skip over BARRIERs.
+ (emit_notes_in_bb): If call is followed by BARRIER, put note after
+ the BARRIER.
+
+ * sanitizer.def: Add comment about importance of ordering of
+ BUILT_IN_ASAN_REPORT* builtins.
+ * cfgcleanup.c (old_insns_match_p): Don't cross-jump __asan_report_*
+ builtins.
+
+ * sanitizer.def (BUILT_IN_ASAN_HANDLE_NO_RETURN): New builtin.
+ * asan.c (instrument_builtin_call): Change is_gimple_builtin_call
+ gcc_assert to gcc_checking_assert.
+ (maybe_instrument_call): Imit __builtin___asan_handle_no_return ()
+ before noreturn calls other than __builtin_trap () and
+ __builtin_unreachable ().
+
+2012-12-11 Richard Biener <rguenther@suse.de>
+
+ PR other/54324
+ * doc/install.texi (Tools/packages necessary for building GCC):
+ State ISO C++98 host compiler requirement. Increment minimum
+ GCC version required for building all languages for a cross-compiler
+ to 3.4 or later.
+
+2012-12-11 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/55079
+ * tree-vrp.c (extract_range_from_binary_expr_1): Handle MAX/MIN_EXPR
+ for more cases.
+ (register_edge_assert_for_2): Register asserts for post-in/decrement
+ tests.
+ (check_array_ref): Dump what expression we emit array bound
+ warnings for.
+ (search_for_addr_array): Likewise.
+
+2012-12-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-loop-ivopts.c (prepare_decl_rtl) <ADDR_EXPR>: Generate RTL
+ only for a DECL which HAS_RTL_P.
+
+2012-12-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/predicates.md ("execute_operation"): New predicate.
+ * config/s390/s390.md ("*execute_rl", "*execute"): Use the new
+ predicate.
+
+2012-12-10 Xinliang David Li <davidxl@google.com>
+
+ * config/i386/i386.c: Enable push/pop in pro/epilogue for modern CPUs.
+
+2012-12-10 Steve Ellcey <sellcey@mips.com>
+
+ * config/mips/gnu-user.h (NO_SHARED_SPECS): Add space before option.
+
+2012-12-10 Steve Ellcey <sellcey@mips.com>
+
+ PR target/54061
+ * rtl.h (IGNORED_DWARF_REGNUM): New.
+ * dwarf2out.c (reg_loc_descriptor): Check for IGNORED_DWARF_REGNUM.
+ (mem_loc_descriptor): Ditto.
+ * config/mips/mips.h (ALL_COP_REG_FIRST): New.
+ (ALL_COP_REG_LAST): New.
+ (ALL_COP_REG_NUM): Redefine using above macros.
+ * config/mips/mips.c (mips_option_override): Set mips_dbx_regno
+ coprocessor entries to IGNORED_DWARF_REGNUM.
+
+2012-12-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR lto/55466
+ * lto-symtab.c (lto_symtab_merge_decls_1): Don't record the
+ prevailing variable.
+
+2012-12-10 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/55107
+ * tree-ssa-pre.c (struct pre_stats): Remove constified field.
+ (bitmap_set_replace_value): Add gcc_unreachable.
+ (do_regular_insertion): Re-write all_same handling. Insert
+ an assignment instead of a PHI in this case.
+ (eliminate_bb): Record availability also for SSA names defined
+ by a constant.
+ (do_pre): Do not record constified events.
+ (execute_fre): Likewise.
+
+2012-12-10 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/spu/spu.md: Replace "operands" with "operands != NULL" in
+ insn conditions.
+
+2012-12-10 Jakub Jelinek <jakub@redhat.com>
+
+ * asan.c (asan_init_shadow_ptr_types): Move earlier in the file.
+ Call initialize_sanitizer_builtins at the end.
+ (asan_pp_string): Use TREE_TYPE (shadow_ptr_types[0])
+ as character type instead of char_type_node.
+ (asan_emit_stack_protection): Call asan_init_shadow_ptr_types
+ if shadow_ptr_types isn't initialized.
+ (asan_protect_global): Return true for STRING_CSTs except those
+ created by asan_pp_string.
+ (count_string_csts, add_string_csts): New functions.
+ (struct asan_add_string_csts_data): New type.
+ (asan_finish_file): Clear flag_asan at the beginning, restore at the
+ end. Traverse constant_pool_htab () to look for protected
+ STRING_CSTs. Don't call initialize_sanitizer_builtins,
+ instead call asan_init_shadow_ptr_types if shadow_ptr_types isn't
+ initialized yet.
+ (asan_instrument): Don't call initialize_sanitizer_builtins.
+ * varasm.c (output_constant_def_contents): If STRING_CST should be
+ asan protected, align it sufficiently and emit padding after it.
+ (categorize_decl_for_section): If flag_asan, don't put STRING_CSTs
+ that should be asan protected into mergeable sections. For
+ -fmerge-all-constants, ignore it for -fmudflap or if decl is
+ asan protected.
+
+2012-12-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/arm/neon.ml (opcode): Add Vrintn, Vrinta, Vrintp, Vrintm,
+ Vrintz to type.
+ (type features): Add Requires_arch type constructor.
+ (ops): Define Vrintn, Vrinta, Vrintp, Vrintm, Vrintz features.
+ * config/arm/neon-docgen.ml (intrinsic_groups): Define Vrintn,
+ Vrinta, Vrintp, Vrintm, Vrintz, Vrintx.
+ * config/arm/neon-testgen.ml (effective_target): Define check for
+ Requires_arch 8.
+ * config/arm/neon-gen.ml (print_feature_test_start): Handle
+ Requires_arch.
+ (print_feature_test_end): Likewise.
+ Add 2012 to Copyright notice.
+ * doc/arm-neon-intrinsics.texi: Regenerate.
+ * config/arm/arm_neon.h: Regenerate.
+
+2012-12-10 Kai Tietz <ktietz@redhat.com>
+
+ * stmt.c (expand_sjlj_dispatch_table): Fix off by one.
+
+ PR target/53912
+ * stmt.c (compute_cases_per_edge): Cast from pointer via intptr_t.
+ (expand_case): Likewise.
+
+ PR target/53912
+ * print-tree.c (print_node): Cast from pointer via uintptr_t.
+
+2012-12-10 Jakub Jelinek <jakub@redhat.com>
+
+ * asan.c (instrument_derefs): Handle bitfield COMPONENT_REFs
+ accesses as reads/writes to their DECL_BIT_FIELD_REPRESENTATIVE.
+
+2012-12-08 Eric Botcazou <ebotcazou@adacore.com>
+
+ * lto-streamer-out.c (lto_write_tree): Do not reset the DECL_INITIAL of
+ variables in the global constant pool.
+
+2012-12-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/55158
+ * sched-rgn.c (bb_state_array, bb_state): Add some explaining
+ comment, and initialize to NULL explicitly.
+ (realloc_bb_state_array): New function.
+ (free_bb_state_array): New function.
+ (schedule_region): Call realloc_bb_state_array after schedule_block.
+ (sched_rgn_init): Use realloc_bb_state_array to initialize bb_state.
+ (sched_rgn_finish): Use free_bb_state_array to free it.
+
+2012-12-08 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-loop-im.c (for_each_index) <CONST_DECL>: New case.
+
+2012-12-07 Sriraman Tallan <tmsriram@google.com>
+
+ * toplev.c (process_options): Do not warn when -ffunction-sections
+ and -fprofile are used together.
+
+2012-12-07 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ree.c (struct ext_cand): Remove GTY markers.
+
+2012-12-07 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55141
+ * lra-constraints.c (lra_constraints): Use biggest mode for
+ df_set_regs_ever_live.
+
+2012-12-07 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Add UPPER_BOUND
+ parameter.
+ (try_unroll_loop_completely) Update.
+
+2012-12-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/55395
+ * varpool.c (varpool_remove_node): Don't drop DECL_INITIAL
+ for -g for any kind of debug info.
+
+2012-12-07 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/54886
+ * graphite-sese-to-poly.c (build_loop_iteration_domains): Properly
+ free all memory.
+
+2012-12-07 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/55078
+ * ipa-inline-transform.c (inline_call): Turn #if 0 to
+ #ifdef ENABLE_CHECKING.
+ * ipa-prop.c (try_make_edge_direct_simple_call): Use
+ ipa_value_from_jfunc.
+ (try_make_edge_direct_virtual_call): Likewise.
+ (update_indirect_edges_after_inlining): Lookup new_root_info and pass
+ it to the functions above.
+
+2012-12-07 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/55590
+ * tree-sra.c (build_ref_for_offset): Use get_object_alignment_1 to
+ get base alignment.
+
+2012-12-06 Uros Bizjak <ubizjak@gmail.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/55597
+ * config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode,
+ before using it as insn or call equivalent.
+
+2012-12-06 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/sysv4.h (TARGET_ASAN_SHADOW_OFFSET): Define.
+ * config/rs6000/rs6000.c (rs6000_asan_shadow_offset): New function.
+ * config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Disable if using ASAN.
+
+2012-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/55395
+ * varpool.c (varpool_remove_node): Don't drop DECL_INITIAL
+ if -g and emitting DWARF2+.
+
+2012-12-06 Pat Haugen <pthaugen@us.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal): Set
+ default loop peeling limits.
+
+2012-12-06 Jason Merrill <jason@redhat.com>
+
+ PR c++/55032
+ PR c++/55245
+ * tree.c (build_array_type_1): Re-layout if we found it in the
+ hash table.
+
+2012-12-06 Jack Howarth <howarth@bromo.med.uc.edu>
+
+ PR 55599/sanitizer
+ * config/darwin.h (LINK_COMMAND_SPEC_A): Remove static libasan support.
+
+2012-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/43631
+ * var-tracking.c (emit_note_insn_var_location, emit_notes_in_bb):
+ Clear BLOCK_FOR_INSN on notes emitted in between basic blocks,
+ don't adjust BB_END when inserting note after BB_END of some bb.
+
+ PR c++/55137
+ * fold-const.c (fold_binary_loc) <associate>: Don't introduce
+ TREE_OVERFLOW through reassociation. If type doesn't have defined
+ overflow, but one or both of the operands do, use the wrapping type
+ for reassociation and only convert to type at the end.
+
+2012-12-06 Richard Biener <rguenther@suse.de>
+
+ * gimple-fold.c (fold_stmt_1): Remove code handling folding stmts away.
+
+2012-12-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * doc/sourcebuild.texi: Document arm_v8_neon_ok.
+
+2012-12-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/arm/arm.c (neon_itype): Define NEON_RINT enum element.
+ (neon_builtin_data): Register vrintn, vrinta, vrintp, vrintm,
+ vrintz, vrintx neon builtins.
+ (arm_init_neon_builtins): Handle NEON_RINT.
+ (arm_expand_neon_builtin): Likewise.
+ * config/arm/unspecs.md: New file.
+ * config/arm/arm.md ("unspec"): Move to unspecs.md.
+ * config/arm/iterators.md (NEON_VRINT): New int iterator.
+ (nvrint_variant): New int attribute.
+ * config/arm/neon.md
+ (neon_vrint<NEON_VRINT:nvrint_variant><VCVTF:mode>): New pattern.
+ ("unspec"): Move to unspecs.md.
+ * config/arm/iwmmxt2.md ("unspec"): Move to unspecs.md.
+
+2012-12-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
+ opaque cond in all call insns.
+
+2012-12-05 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/55604
+ * lra-lives.c (lra_create_live_ranges): If there are no referenced
+ pseudos left, do not compute live ranges.
+
+2012-12-05 Steven Bosscher <steven@gcc.gnu.org>
+
+ * doc/tm.texi.in (TARGET_CLASS_LIKELY_SPILLED_P): Update documentation.
+ * doc/tm.texi: Regenerate.
+ * regs.h (REG_LIVE_LENGTH): Update comments to not refer to no longer
+ existing files global.c and local-alloc.c.
+ * regmove.c (copy_src_to_dest): Likewise.
+ * function.h (struct rtl_data): Likewise.
+ * ira-color.c (allocno_priority_compare_func): Likewise.
+ * regstat.c (regstat_compute_ri): Likewise.
+ * config/epiphany/epiphany.h, config/vax/vax.h, config/cris/cris.h,
+ config/h8300/h8300.h, config/alpha/alpha.h, config/sparc/sparc.h,
+ config/rs6000/rs6000.h, config/pdp11/pdp11.h, config/pa/pa.h,
+ config/v850/v850.h, config/mn10300/mn10300.h, config/m32r/m32r.h,
+ config/i386/i386.h, config/mcore/mcore.h, config/sh/sh.h,
+ config/arm/arm.h (REGNO_OK_FOR_BASE_P): Likewise.
+
+2012-12-05 Aldy Hernandez <aldyh@redhat.com>
+
+ PR target/54160
+ * config/t-darwin (darwin-c.o): Depend on $(CPP_INTERNAL_H).
+ * config/darwin-c.c (darwin_cpp_builtins): Only set __OBJC2__ when
+ in obj mode.
+ Include libcpp/internal.h.
+
+2012-12-05 Michael Eager <eager@eagercon.com>
+
+ PR rtl-optimization/54739
+ * config/microblaze/microblaze.md: (anddi3, iordi3, xordi3): Delete
+ patterns.
+
+2012-12-05 James Greenhalgh <james.greenhalgh@arm.com>
+
+ * config/aarch64/aarch64-simd-builtins.def: Add new builtins.
+ * config/aarch64/aarch64-simd.md (simd_type): Add uzp.
+ (aarch64_<PERMUTE:perm_insn><PERMUTE:perm_hilo><mode>): New.
+ * config/aarch64/aarch64.c (aarch64_evpc_trn): New.
+ (aarch64_evpc_uzp): Likewise.
+ (aarch64_evpc_zip): Likewise.
+ (aarch64_expand_vec_perm_const_1): Check for trn, zip, uzp patterns.
+ * config/aarch64/iterators.md (unspec): Add neccessary unspecs.
+ (PERMUTE): New.
+ (perm_insn): Likewise.
+ (perm_hilo): Likewise.
+
+2012-12-05 James Greenhalgh <james.greenhalgh@arm.com>
+
+ * config/aarch64/aarch64-protos.h
+ (aarch64_split_combinev16qi): New.
+ (aarch64_expand_vec_perm): Likewise.
+ (aarch64_expand_vec_perm_const): Likewise.
+ * config/aarch64/aarch64-simd.md (vec_perm_const<mode>): New.
+ (vec_perm<mode>): Likewise.
+ (aarch64_tbl1<mode>): Likewise.
+ (aarch64_tbl2v16qi): Likewise.
+ (aarch64_combinev16qi): New.
+ * config/aarch64/aarch64.c
+ (aarch64_vectorize_vec_perm_const_ok): New.
+ (aarch64_split_combinev16qi): Likewise.
+ (MAX_VECT_LEN): Define.
+ (expand_vec_perm_d): New.
+ (aarch64_expand_vec_perm_1): Likewise.
+ (aarch64_expand_vec_perm): Likewise.
+ (aarch64_evpc_tbl): Likewise.
+ (aarch64_expand_vec_perm_const_1): Likewise.
+ (aarch64_expand_vec_perm_const): Likewise.
+ (aarch64_vectorize_vec_perm_const_ok): Likewise.
+ (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Likewise.
+ * config/aarch64/iterators.md
+ (unspec): Add UNSPEC_TBL, UNSPEC_CONCAT.
+ (V_cmp_result): Add mapping for V2DF.
+
+2012-12-05 Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_simd_mangle_map_entry): New
+ typedef.
+ (aarch64_simd_mangle_map): New table.
+ (aarch64_mangle_type): Locate and return the mangled name for
+ a given AdvSIMD vector type.
+
+2012-12-05 Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_mangle_type): New function.
+ (TARGET_MANGLE_TYPE): Define.
+
+2012-12-05 James Greenhalgh <james.greenhalgh@arm.com>
+
+ * config/aarch64/aarch64-builtins.c
+ (aarch64_builtin_vectorized_function): New.
+ * config/aarch64/aarch64-protos.h
+ (aarch64_builtin_vectorized_function): Declare.
+ * config/aarch64/aarch64-simd-builtins.def (frintz, frintp): Add.
+ (frintm, frinti, frintx, frinta, fcvtzs, fcvtzu): Likewise.
+ (fcvtas, fcvtau, fcvtps, fcvtpu, fcvtms, fcvtmu): Likewise.
+ * config/aarch64/aarch64-simd.md
+ (aarch64_frint_<frint_suffix><mode>): New.
+ (<frint_pattern><mode>2): Likewise.
+ (aarch64_fcvt<frint_suffix><su><mode>): Likewise.
+ (l<fcvt_pattern><su_optab><fcvt_target><VDQF:mode>2): Likewise.
+ * config/aarch64/aarch64.c (TARGET_VECTORIZE_BUILTINS): Define.
+ (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Likewise.
+ * config/aarch64/aarch64.md
+ (btrunc<mode>2, ceil<mode>2, floor<mode>2)
+ (round<mode>2, rint<mode>2, nearbyint<mode>2): Consolidate as...
+ (<frint_pattern><mode>2): ...this.
+ (lceil<su_optab><mode><mode>2, lfloor<su_optab><mode><mode>2)
+ (lround<su_optab><mode><mode>2)
+ (lrint<su_optab><mode><mode>2): Consolidate as...
+ (l<fcvt_pattern><su_optab><GPF:mode><GPI:mode>2): ... this.
+ * config/aarch64/iterators.md (fcvt_target): New.
+ (FCVT_TARGET): Likewise.
+ (FRINT): Likewise.
+ (FCVT): Likewise.
+ (frint_pattern): Likewise.
+ (frint_suffix): Likewise.
+ (fcvt_pattern): Likewise.
+
+2012-12-05 Steven Bosscher <steven@gcc.gnu.org>
+
+ * passes.c (pass_init_dump_file): Only open a clean graph dump file if
+ the dump was not already initialized.
+
+ Revert:
+ 2012-12-03 Steven Bosscher <steven@gcc.gnu.org>
+ * passes.c (finish_optimization_passes): Don't finish graph dumps here.
+ (pass_fini_dump_file): Wrap in TV_DUMP. Finish graph dumps.
+ (execute_one_pass): Don't set up graph dumps here.
+
+2012-12-05 Richard Biener <rguenther@suse.de>
+
+ PR lto/55525
+ * gimple-streamer-in.c (input_gimple_stmt): Fixup ARRAY_REFs as well.
+
+2012-12-04 Ian Lance Taylor <iant@google.com>
+
+ * godump.c (find_dummy_types): Output a dummy type if we couldn't
+ output the real type.
+
+2012-12-04 Steven Bosscher <steven@gcc.gnu.org>
+
+ * rtl.h (print_insn_with_notes): Remove prototype.
+ (rtl_dump_bb_for_graph): New prototype.
+ * sched-vis.c (print_insn_with_notes): Make static again. Fix
+ printing of notes.
+ (rtl_dump_bb_for_graph): New function.
+ * cfghooks.h (struct cfg_hooks) <dump_bb_for_graph>: New hook.
+ (dump_bb_for_graph): New prototype.
+ * cfghooks.c (dump_bb_for_graph): New function.
+ * tree-cfg.c (gimple_cfg_hooks): Register gimple_dump_bb_for_graph
+ as dump_bb_for_graph hook implementation for GIMPLE.
+ * cfgrtl.c (rtl_cfg_hooks): Likewise for rtl_dump_bb_for_graph.
+ (cfg_layout_rtl_cfg_hooks): Likewise.
+ * graph.c (draw_cfg_node): Don't include sbitmap.h, rtl.h, tree.h,
+ gimple.h, and gimple-pretty-print.h.
+ (draw_cfg_node, draw_cfg_node_succ_edges): Use the uniqe function
+ definition number instead of the function declaration UID.
+ (print_graph_cfg): Take a struct function instead of a tree.
+ Use the dump_bb_for_graph hook to dump the basic block content.
+ * graph.h (print_graph_cfg): Update prototype.
+ * passes.c (execute_function_dump): Update print_graph_cfg call.
+ * Makefile.in (graph.o): Fixup dependencies.
+
+2012-12-04 Marcus Shawcroft <marcus.shawcroft@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Set
+ TYPE_STUB_DECL.
+
+2012-12-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_select_ccmode): Enable using CC of
+ x + imm for higher immediates on z9-109 upwards.
+
+2012-12-04 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.opt (cirrus-fix-invalid-insns): Delete option.
+ * invoke.texi (cirrus-fix-invalid-insns): Remove documentation.
+
+2012-12-04 Jakub Jelinek <jakub@redhat.com>
+
+ * tsan.c (instrument_expr): If expr_ptr isn't a gimple val, first
+ store it into a SSA_NAME.
+
+ PR sanitizer/55439
+ * Makefile.in (tsan.o): Depend on tree-ssa-propagate.h.
+ * sanitizer.def: Add __tsan_atomic* builtins.
+ * asan.c (initialize_sanitizer_builtins): Adjust to also
+ initialize __tsan_atomic* builtins.
+ * tsan.c: Include tree-ssa-propagate.h.
+ (enum tsan_atomic_action): New enum.
+ (tsan_atomic_table): New table.
+ (instrument_builtin_call): New function.
+ (instrument_gimple): Take pointer to gimple_stmt_iterator
+ instead of gimple_stmt_iterator. Call instrument_builtin_call
+ on builtin call stmts.
+ (instrument_memory_accesses): Adjust instrument_gimple caller.
+ * builtin-types.def (BT_FN_BOOL_VPTR_PTR_I1_INT_INT,
+ BT_FN_BOOL_VPTR_PTR_I2_INT_INT, BT_FN_BOOL_VPTR_PTR_I4_INT_INT,
+ BT_FN_BOOL_VPTR_PTR_I8_INT_INT, BT_FN_BOOL_VPTR_PTR_I16_INT_INT): New.
+
+2012-12-04 Tejas Belagod <tejas.belagod@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_simd_vector_alignment,
+ aarch64_simd_vector_alignment_reachable): New.
+ (TARGET_VECTOR_ALIGNMENT, TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE):
+ Define.
+
+2012-12-04 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/55124
+ * tree-ssa-pre.c (find_or_generate_expression): Instead of
+ ICEing when we are not able to generate an expression defer it
+ by signalling failure. Fix possible wrong-code issue by
+ not picking random REFERENCE expressions as fallback.
+ (create_component_ref_by_pieces_1): Adjust. Add failure paths.
+ (create_expression_by_pieces): Likewise.
+ (insert_into_preds_of_block): When expression generation failed
+ for one edge make sure to not insert a PHI node.
+
+2012-12-03 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
+ area if the function allocates dynamic stack space.
+ (ia64_initial_elimination_offset): Adjust offsets to above change.
+
+2012-12-03 Steven Bosscher <steven@gcc.gnu.org>
+
+ * gcse.c (struct reg_use): Remove unused struct.
+ (gcse_emit_move_after): Do not create REG_EQUAL notes that reference
+ the SET_DEST of the instruction the note would be attached to.
+ * cse.c (cse_main): Add the DF_NOTE problem.
+
+2012-12-03 Jakub Jelinek <jakub@redhat.com>
+
+ * sanitizer.def: Add Address Sanitizer builtins.
+ Rename BUILT_IN_TSAN_READ_* to BUILT_IN_TSAN_READ* and
+ BUILT_IN_TSAN_WRITE_* to BUILT_IN_TSAN_WRITE*.
+ * Makefile.in (asan.o): Depend on langhooks.h.
+ (tsan.o): Depend on asan.h.
+ * asan.h (initialize_sanitizer_builtins): New prototype.
+ * asan.c: Include langhooks.h.
+ (report_error_func): Use builtin_decl_implicit of corresponding
+ BUILT_IN_ASAN_REPORT_{LOAD,STORE}*.
+ (asan_init_func): Removed.
+ (initialize_sanitizer_builtins): New function.
+ (asan_finish_file): Call it. Use builtin_decl_implicit
+ on BUILT_IN_ASAN_{INIT,{,UN}REGISTER_GLOBALS}.
+ (asan_instrument): Call initialize_sanitizer_builtins.
+ * builtins.def (DEF_SANITIZER_BUILTIN): Change condition to
+ (flag_asan || flag_tsan).
+ * tsan.c: Include asan.h and tsan.h.
+ (get_memory_access_decl): Rename BUILT_IN_TSAN_{READ,WRITE}_*
+ to BUILT_IN_TSAN_{READ,WRITE}*.
+ (tsan_pass): Call initialize_sanitizer_builtins.
+ (tsan_gate, tsan_gate_O0): Don't check if
+ builtin_decl_implicit_p (BUILT_IN_TSAN_INIT) is true.
+ (tsan_finish_file): Call initialize_sanitizer_builtins.
+ * builtin-types.def (BT_FN_VOID_PTR_PTRMODE): New fn type.
+
+2012-12-03 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/55401
+ * trans-mem.c (get_tm_region_blocks): Exclude uninstrumented
+ blocks from vector if requested.
+ (collect_bb2reg): Pass new argument to get_tm_region_blocks.
+ (get_bb_regions_instrumented): Add INCLUDE_UNINSTRUMENTED_P
+ argument, and pass it to expand_regions.
+ (execute_tm_mark): Pass new argument to get_bb_regions_instrumented.
+ (execute_tm_edges): Same.
+
+2012-12-03 Jakub Jelinek <jakub@redhat.com>
+
+ * asan.c (instrument_mem_region_access): Don't instrument
+ if base doesn't have pointer type or len integral type.
+ Add cast if len doesn't have size_t compatible type.
+ (instrument_builtin_call): Don't instrument BUILT_IN_ATOMIC_LOAD,
+ BUILT_IN_ATOMIC_TEST_AND_SET, BUILT_IN_ATOMIC_CLEAR,
+ BUILT_IN_ATOMIC_EXCHANGE, BUILT_IN_ATOMIC_COMPARE_EXCHANGE
+ and BUILT_IN_ATOMIC_STORE.
+
+ * asan.c (instrument_assignment): Instrument lhs only
+ for gimple_store_p and rhs1 only for gimple_assign_load_p.
+
+2012-12-03 Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * Makefile.in: Add target mddump, build/genmddump.o. Extend
+ genprogrtl with mddump.
+ * genmddump.c: New.
+
+2012-12-03 Steven Bosscher <steven@gcc.gnu.org>
+
+ * rtl.h (print_insn_with_notes): Prototype.
+ * sched-vis.c (print_insn_with_notes): Export it.
+
+ * gimple-pretty-print.h (gimple_dump_bb_for_graph): Prototype.
+ * gimple-pretty-print.c (print_gimple_expr): Flush the buffer.
+ (pp_gimple_stmt_1): Don't do it here.
+ (gimple_dump_bb_for_graph): New function.
+ * tree-pretty-print.c (print_generic_expr): Flush the buffer here.
+ (dump_generic_node): Don't flush the buffer here.
+
+ * graph.h (print_rtl_graph_with_bb): Rename to print_graph_cfg.
+ * graph.c: Include gimple.h, dumpfile.h, and gimple-pretty-print.h.
+ (draw_cfg_node): Handle GIMPLE basic blocks also.
+ (print_rtl_graph_with_bb): Rename to print_graph_cfg.
+ * passes.c (finish_optimization_passes): Don't finish graph dumps here.
+ (execute_function_dump): Use print_graph_cfg. Enable dumping the CFG
+ for GIMPLE also.
+ (pass_init_dump_file): Wrap in TV_DUMP. Set up CFG graph dumps.
+ (pass_fini_dump_file): Wrap in TV_DUMP. Finish graph dumps.
+ (execute_one_pass): Don't set up graph dumps here.
+
+2012-12-03 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa.c (warn_uninitialized_var): Use OPT_Wmaybe_uninitialized tag
+ in the non-always executed case.
+
+2012-12-03 Sofiane Naci <sofiane.naci@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_build_constant): Update prototype.
+ Call emit_move_insn instead of printing movi/movn/movz instructions.
+ Call gen_insv_immdi instead of printing movk instruction.
+ (aarch64_add_constant): Update prototype.
+ Generate RTL instead of printing add/sub instructions.
+ (aarch64_output_mi_thunk): Update calls to aarch64_build_constant
+ and aarch64_add_constant.
+
+2012-12-03 Kai Tietz <ktietz@redhat.com>
+
+ PR target/53912
+ * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.
+
+ PR target/53912
+ * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.
+
+ PR target/53912
+ * pointer-set.c (hash1): Cast from pointer via uintptr_t.
+
+2012-12-02 Marek Polacek <polacek@redhat.com>
+
+ PR middle-end/54838
+ * cprop.c (bypass_block): Determine number of latches. Return
+ when there is more than one latch edge.
+
+2012-12-02 Teresa Johnson <tejohnson@google.com>
+
+ PR gcov-profile/55551
+ * lto-cgraph.c (merge_profile_summaries): Handle scaled histogram
+ entries that map to the same index.
+
+2012-12-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ * optabs.c (add_equal_note): Do not create self-referencing REG_EQUAL
+ notes.
+ * fwprop.c (forward_propagate_and_simplify): Likewise.
+
+2012-12-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ * function.h (struct rtl_data): Remove epilogue_delay_list.
+ * reorg.c (find_end_label): Simplify always-true test.
+ (optimize_skip): Likewise.
+ * final.c (leaf_function_p): Don't loop over epilogue_delay_list.
+ (leaf_renumber_regs): Likewise.
+ * varasm.c (mark_constant_pool): Likewise.
+ * except.c (set_nothrow_function_flags): Likewise.
+ * cfgrtl.c (print_rtl_with_bb): Likewise.
+
+2012-12-02 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.c (mmix_function_value): Set the mode of the
+ returned PARALLEL to that of the return-value, not VOIDmode.
+
+2012-12-02 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/extend.texi: Various corrections to punctuation and grammar
+ throughout the file. Use consistent terminology and proper names.
+ Correct some minor markup issues.
+
+2010-12-01 Xinliang David Li <davidxl@google.com>
+
+ * config/i386/i386.c: Allow sign extend instructions (cltd etc)
+ on modern CPUs.
+
+2012-12-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ * reorg.c: Remove an obsolete comment.
+ * config/pa/pa.md: Add back the HP-PA comment here, with details.
+
+2012-11-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
+ Deal with degenerate cases where the bitsize isn't positive.
+ Rework comment.
+
+2012-11-30 David Edelsohn <dje.gcc@gmail.com>
+
+ * xcoffout.c (xcoff_tls_data_section_name): Define.
+ * xcoffout.h (xcoff_tls_data_section_name): Declare.
+ * config/rs6000/rs6000.c (tls_data_section): Define.
+ (TARGET_USE_BLOCKS_FOR_DECL_P): Define.
+ (rs6000_legitimize_tls_address_aix): New function.
+ (rs6000_legitimize_tls_address): Use new function for AIX.
+ (rs6000_cannot_force_const_mem): No sum in TLS TOC symbols.
+ Allow TLS symbol in constant pool other than ELF.
+ (rs6000_legitimate_address_p): Allow TLS symbol other than ELF.
+ (rs6000_assemble_visibility): Do not emit anything on AIX.
+ (output_toc): Handle alias of TLS general-dynamic symbols.
+ Emit TLS decorations on symbols.
+ (rs6000_use_blocks_for_decl_p): New function.
+ (rs6000_xcoff_output_tls_section_asm_op): New function.
+ (rs6000_xcoff_asm_init_sections): Initialize tls_data_section.
+ (rs6000_xcoff_select_section): Choose tls_data_section for
+ thread-local storage.
+ (rs6000_xcoff_file_start): Generate xcoff_tls_data_section_name.
+ (rs6000_legitimate_constant_p): Allow TLS symbol other than ELF.
+ * config/rs6000/rs6000.md (tls_tls_): Restrict to ELF.
+ (tls_get_tpointer): New.
+ (tle_get_tpointer_internal): New.
+ (tls_get_addr<mode>): New.
+ (tls_get_addr_internal<mode>): New.
+ * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Define.
+
+2012-11-30 Teresa Johnson <tejohnson@google.com>
+
+ * lto-cgraph.c (output_profile_summary): Stream out sum_all
+ and histogram.
+ (input_profile_summary): Stream in sum_all and histogram.
+ (merge_profile_summaries): Merge sum_all and histogram, and
+ change to use RDIV.
+ (input_symtab): Call compute_working_sets after merging summaries.
+ * gcov-io.c (gcov_histo_index): Make extern for compiler.
+ * gcov-io.h (gcov_histo_index): Ditto.
+ * profile.c (compute_working_sets): Remove static keyword.
+ * profile.h (compute_working_sets): Ditto.
+ * Makefile.in (lto-cgraph.o): Depend on profile.h.
+
+2012-11-30 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/52890
+ PR tree-optimization/55415
+ PR tree-optimization/54386
+ PR target/55448
+ * ipa-prop.c (ipa_modify_call_arguments): Be optimistic when
+ get_pointer_alignment_1 returns false and the base was not a
+ dereference.
+ * tree-sra.c (access_precludes_ipa_sra_p): New parameter req_align,
+ added check for required alignment. Update the user.
+
+2012-11-30 Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>
+ Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.md (type): Subdivide "alu" into "alu_reg"
+ and "simple_alu_imm".
+ (core_cycles): Use new names.
+ (arm_addsi3): Set type of patterns to use to alu_reg and simple_alu_imm.
+ (addsi3_compare0, addsi3_compare0_scratch): Likewise.
+ (addsi3_compare_op1, addsi3_compare_op2, compare_addsi2_op0): Likewise.
+ (compare_addsi2_op1, arm_subsi3_insn, subsi3_compare0): Likewise.
+ (subsi3_compare, arm_decscc,arm_andsi3_insn): Likewise.
+ (thumb1_andsi3_insn, andsi3_compare0_scratch): Likewise.
+ (zeroextractsi_compare0_scratch,iorsi3_insn,iorsi3_compare0): Likewise.
+ (iorsi3_compare0_scratch, arm_xorsi3, thumb1_xorsi3_insn): Likewise.
+ (xorsi3_compare0, xorsi3_compare0_scratch): Likewise.
+ (thumb1_zero_extendhisi2,arm_zero_extendhisi2_v6): Likewise.
+ (thumb1_zero_extendqisi2_v, arm_zero_extendqisi2_v6): Likewise.
+ (thumb1_extendhisi2, arm_extendqisi_v6): Likewise.
+ (thumb1_extendqisi2, arm_movsi_insn): Likewise.
+ (movsi_compare0, movhi_insn_arch4, movhi_bytes): Likewise.
+ (arm_movqi_insn, thumb1_movqi_insn, arm_cmpsi_insn): Likewise.
+ (movsicc_insn, if_plus_move, if_move_plus): Likewise.
+ * config/arm/neon.md (neon_mov<mode>/VDX): Likewise.
+ (neon_mov<mode>/VQXMOV): Likewise.
+ * config/arm/arm1020e.md (1020alu_op): Likewise.
+ * config/arm/fmp626.md (mp626_alu_op): Likewise.
+ * config/arm/fa726te.md (726te_alu_op): Likewise.
+ * config/arm/fa626te.md (626te_alu_op): Likewise.
+ * config/arm/fa606te.md (606te_alu_op): Likewise.
+ * config/arm/fa526.md (526_alu_op): Likewise.
+ * config/arm/cortex-r4.md (cortex_r4_alu, cortex_r4_mov): Likewise.
+ * config/arm/cortex-m4.md (cortex_m4_alu): Likewise.
+ * config/arm/cortex-a9.md (cprtex_a9_dp): Likewise.
+ * config/arm/cortex-a8.md (cortex_a8_alu, cortex_a8_mov): Likewise.
+ * config/arm/cortex-a5.md (cortex_a5_alu): Likewise.
+ * config/arm/cortex-a15.md (cortex_a15_alu): Likewise.
+ * config/arm/arm926ejs.md (9_alu_op): Likewise.
+ * config/arm/arm1136jfs.md (11_alu_op): Likewise.
+ * config/arm/arm1026ejs.md (alu_op): Likewise.
+
+2012-11-30 Richard Biener <rguenther@suse.de>
+
+ * tree-ssa-pre.c (get_expr_value_id): Do not allocate value-ids here.
+
+2012-11-30 Richard Biener <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (run_scc_vn): Remove iteration propagating
+ value_ids.
+
+2012-11-30 Steven Bosscher <steven@gcc.gnu.org>
+
+ * coretypes.h (struct pretty_print_info): Make a coretype.
+ (typedef pretty_printer): Likewise.
+ * pretty-print.h (typedef pretty_printer): Not needed here anymore.
+ * pretty-print.c (pp_write_text_as_dot_label_to_stream): New function.
+ * rtl.h (str_pattern_slim): New prototype.
+ (print_value, print_pattern, print_insn): Adjust prototypes to take
+ a pretty-printer rather than a char buffer.
+ * sched-vis.c (safe_concat): Remove.
+ (print_exp): Print into a pretty-printer.
+ (print_value): Likewise.
+ (print_pattern): Likewise.
+ (print_insn): Likewise.
+ (print_insn_with_notes): New static function.
+ (init_rtl_slim_pretty_print): New function.
+ (dump_value_slim): Simplify. Print into and flush a pretty-printer.
+ (dump_insn_slim): Likewise.
+ (dump_rtl_slim): Likewise.
+ (str_pattern_slim): New function.
+ * haifa-sched.c (model_recompute): Use str_pattern_slim instead of
+ static buffers.
+ (model_record_pressures): Likewise.
+ (schedule_insn): Likewise.
+ * sel-sched-dump.c (dump_insn_rtx_1): Likewise.
+ (sel_prepare_string_for_dot_label): Refer to graph.c CFG dumper code.
+ * graph.c: Include pretty-print.h.
+ (init_graph_slim_pretty_print): New function.
+ (print_escaped_line): Removed here, and reincarnated as
+ pp_write_text_as_dot_label_to_stream.
+ (draw_cfg_node): Print into a pretty printer.
+ (draw_cfg_node_succ_edges): Likewise.
+ (print_rtl_graph_with_bb): Likewise.
+ * Makefile.in (graph.o): Fix dependencies.
+ (tree-optimize.o, toplev.o, sched-vis.o): Likewise.
+
+2012-11-30 Jakub Jelinek <jakub@redhat.com>
+
+ * tsan.c (is_load_of_const_p): Removed.
+ (instrument_expr): Use result of get_inner_reference
+ instead of get_base_address, avoid some unnecessary tests,
+ use !pt_solution_includes and !may_be_aliased tests to
+ check whether base might escape current function.
+
+2012-11-30 Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * gensupport.c (maybe_eval_c_test): Remove not-null check for expr.
+ * read-rtl.c (apply_iterators): Initialize condition with "" instead
+ of NULL.
+
+2012-11-30 Kai Tietz <ktietz@redhat.com>
+
+ * config/i386/host-mingw32.c (va_granularity): Make none-const.
+ (mingw32_gt_pch_alloc_granularity): Return OS' allocation granularity.
+ (mingw32_gt_pch_use_address): Retry mapping of used address
+ as multiple instances might interfer.
+
+ * config/i386/mingw32.h (SHARED_LIBGCC_SPEC): Synchronize with
+ cygwin-host.
+
+2012-11-29 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/55321
+ * calls.c (emit_library_call_value_1): Mark as no-nonlocal if no-throw.
+
+2012-11-29 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR middle-end/55456
+ * lra-int.h (lra_new_regno_start): New external.
+ * lra.c (lra_new_regno_start): New global.
+ (lra): Set up lra_new_regno_start.
+ * lra-constraints.c (match_reload): Sync values only for original
+ pseudos.
+
+2012-11-29 Kai Tietz <ktietz@redhat.com>
+
+ PR target/53912
+ * prefix.c (lookup_key): Replace xmalloc/xrealloc
+ use by XNEWVEC/XRESIZEVEC.
+
+2012-11-29 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/55073
+ * config/arm/neon.md (neon_vtrn<mode>_internal): Split into expand
+ and insn patterns. Re-order insn arguments to tie inputs to outputs.
+ (neon_vzip<mode>_internal): Likewise.
+ (neon_vuzp<mode>_internal): Likewise.
+
+2012-11-29 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c++/53094
+ * fold-const.c (fold): Replace a CONSTRUCTOR with a VECTOR_CST.
+
+2012-11-29 Richard Biener <rguenther@suse.de>
+
+ * tree-ssa-pre.c (get_expr_value_id): Do not add expr
+ to the set of value expressions here.
+ (add_to_exp_gen, make_values_for_phi): Fold into ...
+ (compute_avail): ... here, and avoid useless work. Dump
+ avail sets in processing order.
+ (do_pre): Do not dump avail sets here.
+
+2012-11-29 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
+
+ PR target/54974
+ * config/arm/arm.md (thumb2_pool_range, pool_range): Add comment on
+ Thumb pool ranges.
+ (thumb1_extendhisi2): Reduce Thumb pool range.
+ (arm_movdi): Likewise.
+ (thumb1_movdi_insn): Likewise.
+ (thumb1_movsi_insn): Likewise.
+ (pic_load_addr_unified): Likewise.
+ (pic_load_addr_32bit): Likewise.
+ (pic_load_addr_thumb1): Likewise.
+ (thumb1_movhf): Likewise.
+ (arm_movsf_soft_insn): Likewise.
+ (thumb1_movsf_soft_insn): Likewise.
+ (movdf_soft_insn): Likewise.
+ (thumb1_movdf_soft_insn): Likewise.
+ * config/arm/neon.md (*neon_mov<mode>): Likewise.
+ (*neon_mov<mode>): Likwise.
+ * config/arm/thumb2.md: (*thumb2_movsi_insn): Likewise.
+ (*thumb2_movhi_insn): Likewise.
+ (*thumb2_extendqisi_v6): Likewise.
+ (*thumb2_zero_extendqisi_v6): Likewise.
+ (*thumb2_zero_extendqisi2_v6): Likewise.
+ * config/arm/vfp.md: (*thumb2_movsi_vfp): Likewise.
+ (*movdi_vfp): Likewise.
+ (*movdi_vfp_cortexa8): Likewise.
+ (*thumb2_movsf_vfp): Likewise.
+ (*thumb2_movdf_vfp): Likewise.
+
+2012-11-29 Kai Tietz <ktietz@redhat.com>
+
+ PR target/55171
+ * config/i386/i386.c (get_scratch_register_on_entry): Handle
+ thiscall-convention.
+ (split_stack_prologue_scratch_regno): Likewise.
+ (ix86_static_chain): Likewise.
+ (x86_output_mi_thunk): Likewise.
+
+2012-11-29 Marek Polacek <polacek@redhat.com>
+
+ * cprop.c (bypass_block): Improve debug message.
+
+2012-11-29 Oleg Raikhman <oleg@adapteva.com>
+
+ * config/epiphany/epiphany.h (FIXED_REGISTERS, CALL_USED_REGISTERS):
+ Make r40..r43 call-used.
+ (REG_ALLOC_ORDER): Sort r40..r43 into the call-used registers.
+
+2012-11-29 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/predicates.md (addsub_operator): New predicate.
+ * config/epiphany/epiphany-sched.md (sched_use_fpu): New attribute.
+ * config/epiphany/epiphany.md (isub_i+1): New peephole2.
+ * config/epiphany/epiphany-protos.h (get_attr_sched_use_fpu): Declare.
+
+ * config/epiphany/epiphany.h (EPIPHANY_LIBRARY_EXTRA_SPEC): Define.
+ (EXTRA_SPECS, DRIVER_SELF_SPECS): Likewise.
+ * config/epiphany/t-epiphany (SPECS): Set.
+ (specs): New rule.
+
+ * config/epiphany/epiphany.md (isub_i+1): Work around generator bug.
+
+ * config/epiphany/epiphany.c (epiphany_adjust_cost): Use
+ reg_overlap_mentioned_p.
+
+2012-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/36728
+ PR debug/55467
+ PR middle-end/55507
+ PR bootstrap/55511
+ * cselib.c (cselib_process_insn): If cselib_preserve_constants,
+ don't reset table and exit early on volatile insns and setjmp.
+ Reset table afterwards on setjmp.
+
+2012-11-28 Andrew Pinski <apinski@cavium.com>
+
+ PR bootstrap/54279
+ * Makefile.in (${QMTEST_DIR}/context): Use xg++ instead of g++.
+
+2012-11-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR rtl-optimization/55052
+ * simplify-rtx.c (simplify_subreg): Restore SCALAR_INT_MODE_P check.
+
+2012-11-28 David Edelsohn <dje.gcc@gmail.com>
+
+ * target.def (use_blocks_for_decl_p): New hook.
+ * varasm.c (use_blocks_for_decl_p): Apply hook as final condition.
+ * doc/tm.texi.in (USE_BLOCKS_FOR_DECL_P): New description.
+ * doc/tm.texi: Regenerated.
+
+2012-11-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/55438
+ * expmed.c (simple_mem_bitfield_p): New function, extracted from
+ store_bit_field_1 and extract_bit_field_1. Use GET_MODE_ALIGNMENT
+ rather than bitsize when checking the alignment.
+ (store_bit_field_1, extract_bit_field_1): Call it.
+ * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
+ Don't limit ALIGN_. Assume that memory is mapped in chunks of at
+ least word size, regardless of BIGGEST_ALIGNMENT.
+ (bit_field_mode_iterator::get_mode): Use GET_MODE_ALIGNMENT rather
+ than unit when checking the alignment.
+ (get_best_mode): Use GET_MODE_ALIGNMENT.
+
+2012-11-28 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55512
+ * lra-assigns.c (assign_by_spills): Assigned arbitrary hard regs
+ to failed reload pseudos instead of changing asm pattern.
+ * lra-constraints.c (MAX_CONSTRAINT_ITERATION_NUMBER): Increase value.
+
+2012-11-28 Markus Trippelsdorf <markus@trippelsdorf.de>
+
+ PR other/55358
+ * dse.c (rest_of_handle_dse): Remove superfluous clearing.
+
+2012-11-28 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/predicates.md (move_double_src_operand):
+ Check that misaligned addresses are offsettable.
+ (move_dest_operand): Likewise.
+ * config/epiphany/epiphany.c (REG_OK_FOR_BASE_P): Don't force a
+ misaligned stack address to reg+index.
+
+ * config/epiphany/epiphany.opt (mfp-iarith): New option.
+ * config/epiphany/epiphgany.md (addsi3): Check for TARGET_FP_IARITH.
+ (subsi3, iadd, isub): Rename to ..
+ (subsi3_i, iadd_i, isub_i): .. This.
+ (subsi3, iadd, isub): New define_expands.
+
+ * config/epiphany/epiphgany.md (attribute type): Add v2fp.
+ (attribute fp_mode): Test for v2fp.
+ (<float_operation:insn_opname>v2sf3_i): Change type to v2fp.
+ * config/epiphany/epiphany-sched.md (fp_arith_nearest,
+ fp_arith_trunc): Combine to ..
+ (fp_arith): .. this.
+ (v2fp_arith): New insn reservation.
+
+ * config/epiphany/epiphgany.md (maddsi_combine): Fix output pattern.
+
+2012-11-28 Oleg Raikhman <oleg@adapteva.com>
+
+ * config/epiphany/epiphany.h (ASM_OUTPUT_ALIGN_WITH_NOP): Define.
+
+2012-11-28 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/epiphany.h (HARD_REGNO_RENAME_OK): Define.
+ * config/epiphany/epiphany-protos.h (epiphany_regno_rename_ok):
+ Declare.
+ * config/epiphany/epiphany.c (epiphany_regno_rename_ok): New function.
+
+ * config/epiphany/epiphany.md (mov<mode>, *mov<mode>_insn): Check
+ for misaligned memory operands.
+ * config/epiphany/predicates.md (misaligned_operand): New predicate.
+
+ * config/epiphany/epiphany.opt (-may-round-for-trunc): New option.
+ * config/epiphany/epiphany.md (*fix_truncsfsi2_i): Take it
+ into account.
+
+2012-11-28 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/54547
+ * tree-vrp.c (set_and_canonicalize_value_range): Handle
+ 1-bit anti-ranges explicitely.
+ (extract_range_from_assert): Properly canonicalize all
+ built anti-ranges.
+
+2012-11-28 Eric Botcazou <ebotcazou@adacore.com>
+
+ * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not clear TREE_OVERFLOW
+ on overflowed zeroes, except in one specific case.
+
+2012-11-28 Marc Glisse <marc.glisse@inria.fr>
+
+ PR middle-end/55266
+ * fold-const.c (fold_ternary_loc) [BIT_FIELD_REF]: Handle
+ CONSTRUCTOR with vector elements.
+ * tree-ssa-propagate.c (valid_gimple_rhs_p): Handle CONSTRUCTOR
+ and BIT_FIELD_REF.
+
+2012-11-28 Richard Biener <rguenther@suse.de>
+
+ PR c/35634
+ * gimple.h (gimplify_self_mod_expr): Declare.
+ * gimplify.c (gimplify_self_mod_expr): Export. Take a different
+ type for performing the arithmetic in.
+ (gimplify_expr): Adjust.
+ * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Strip
+ sign conversions we can re-apply after adjusting the IV.
+
+2012-11-28 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/55006
+ * loop-unroll.c (struct iv_to_split): Add new 'orig_var' member.
+ (analyze_iv_to_split_insn): Record it.
+ (maybe_strip_eq_note_for_split_iv): New function to remove REG_EQUAL
+ notes that refer to IVs that are being split.
+ (apply_opt_in_copies): Use maybe_strip_eq_note_for_split_iv. Twice.
+ Use FOR_BB_INSNS_SAFE.
+
+2012-11-27 Steven Bosscher <steven@gcc.gnu.org>
+
+ * rtl.h (debug_bb_n_slim, debug_bb_slim, debug_insn_slim): Remove
+ prototypes.
+ (debug_rtl_slim): Rename to dump_rtl_slim.
+ (print_value_slim): Rename to dump_value_slim.
+ * ira.c (ira_update_equiv_info_by_shuffle_insn): Update
+ print_value_slim user.
+ * lra.c (lra_process_new_insns): Use dump_insn_slim to dump single
+ insns. Use dump_rtl_slim for insn chains.
+ * lra-constraints.c (get_reload_reg): Update print_value_slim user.
+ (process_addr_reg): Likewise.
+ (equiv_address_substitution): Likewise.
+ (inherit_reload_reg): Likewise. Use dump_insn_slim to dump single
+ insns.
+ (check_and_process_move): Likewise.
+ (lra_constraints): Likewise.
+ (split_reg): Likewise.
+ (update_ebb_live_info): Likewise.
+ (remove_inheritance_pseudos): Likewise.
+ * sched-vis.c: Don't include sched-int.h.
+ Remove #ifdef INSN_SCHEDULING tests.
+ (print_value_slim): Rename to dump_value_slim. Simplify a few
+ cases using GET_RTX_NAME.
+ (print_pattern): Do not handle UNSPEC and UNSPECV here, explain why.
+ (print_insn): Reorganize code to be independent of INSN_SCHEDULING.
+ Always print CALL_INSN patterns. Harmonize INSN_UID dumping template.
+ Handle NOTE_INSN_CALL_ARG_LOCATION.
+ (dump_rtl_slim): Copied from debug_rtl_slim.
+ (debug_rtl_slim): Wrapper around dump_rtl_slim to stderr.
+ * haifa-sched.c (schedule_insn): Update print_insn user.
+
+2012-11-27 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55458
+ * lra-assigns.c: Include rtl-error.h.
+ (assign_by_spills): Report about asm impossible constraints.
+ * Makefile.in (lra-assigns.c): Add $(RTL_ERROR_H).
+
+2012-11-27 Paolo Bonzini <pbonzini@redhat.com>
+
+ PR rtl-optimization/55489
+ * gcse.c (compute_transp): Precompute a canonical version
+ of XEXP (x, 0), and pass it to canon_true_dependence.
+
+ * alias.c (init_alias_analysis): Fix allocation of reg_known_value.
+
+2012-11-27 Diego Novillo <dnovillo@google.com>
+
+ * vec.h: Replace 'class vec' with 'struct vec' everywhere.
+ (ggc_internal_cleared_alloc_stat): Remove.
+ (va_gc::reserve): Add PASS_MEM_STAT to ggc_realloc_stat call.
+ (va_stack::reserve): Add PASS_MEM_STAT to va_heap::reserve call.
+ (vec<T, A, vl_embed>::copy): Replace ALONE_MEM_STAT_DECL with
+ ALONE_CXX_MEM_STAT_INFO.
+ (vec_safe_reserve): Replace MEM_STAT_DECL with CXX_MEM_STAT_INFO.
+ (vec_safe_reserve_exact): Likewise.
+ (vec_alloc): Likewise.
+ (vec_safe_grow): Likewise.
+ (vec_safe_grow_cleared): Likewise.
+ (vec_safe_push): Likewise.
+ (vec_safe_insert): Likewise.
+ (vec_safe_splice): Likewise.
+ (vec_alloc): Likewise.
+ (vec_check_alloc): Likewise.
+
+2012-11-27 Marc Glisse <marc.glisse@inria.fr>
+
+ * tree-cfg.c (verify_gimple_comparison): Verify that vector
+ comparison returns a vector.
+
+2012-11-27 Meador Inge <meadori@codesourcery.com>
+
+ * collect2.c (main): Call find_file_set_debug.
+ (find_a_find, add_prefix, prefix_from_env, prefix_from_string):
+ Factor out into ...
+ * file-find.c (New file): ... here and ...
+ * file-find.h (New file): ... here.
+ * gcc-ar.c (standard_exec_prefix): New variable.
+ (standard_libexec_prefix): Ditto.
+ (tooldir_base_prefix) Ditto.
+ (self_exec_prefix): Ditto.
+ (self_libexec_prefix): Ditto.
+ (self_tooldir_prefix): Ditto.
+ (target_version): Ditto.
+ (path): Ditto.
+ (target_path): Ditto.
+ (setup_prefixes): New function.
+ (main): Rework how wrapped programs are found.
+ * Makefile.in (OBJS-libcommon-target): Add file-find.o.
+ (AR_OBJS): New variable.
+ (gcc-ar$(exeext)): Add dependency on $(AR_OBJS).
+ (gcc-nm$(exeext)): Ditto.
+ (gcc-ranlib(exeext)): Ditto.
+ (COLLECT2_OBJS): Add file-find.o.
+ (collect2.o): Add file-find.h prerequisite.
+ (file-find.o): New rule.
+
+2010-11-27 Dehao Chen <dehao@google.com>
+
+ * ipa-prop.c (ipa_modify_call_arguments): Set loc correctly.
+ * emit-rtl.c (last_location): Remove unused variable.
+
+2012-11-27 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md
+ (*jcc<X87MODEF:mode>_<SWI24:mode>_i387 splitters): Remove
+ unneeded temporary.
+
+2012-11-27 Dehao Chen <dehao@google.com>
+
+ * cfgrtl.c (rtl_merge_blocks): Check with UNKNOWN_LOCATION correctly.
+ (cfg_layout_merge_blocks): Likewise.
+
+2012-11-27 Jakub Jelinek <jakub@redhat.com>
+
+ * passes.c (init_optimization_passes): Add pass_asan and pass_tsan
+ to -Og optimization passes.
+
+2012-11-27 H.J. Lu <hongjiu.lu@intel.com>
+ Markus Trippelsdorf <markus@trippelsdorf.de>
+
+ PR lto/54795
+ * lto-opts.c (lto_write_options): Also handle
+ OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
+ OPT_SPECIAL_program_name.
+
+ PR lto/55474
+ * lto-wrapper.c (merge_and_complain): Handle
+ OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
+ OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
+
+2012-11-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52650
+ * function.c (instantiate_virtual_regs_in_insn): Don't delete invalid
+ asm gotos, instead just clear their template and inputs.
+
+ PR tree-optimization/55110
+ * tree-vect-loop.c (vectorizable_reduction): Don't assert
+ that STMT_VINFO_RELATED_STMT of orig_stmt is stmt.
+
+2012-11-27 Richard Biener <rguenther@suse.de>
+
+ * gimple-fold.c (fold_stmt_1): Remove unnecessary code.
+
+2012-11-27 Bin Cheng <bin.cheng@arm.com>
+
+ * config/arm/arm.c (thumb1_reorg): New function.
+ (arm_reorg): Call thumb1_reorg.
+ (thumb1_final_prescan_insn): Record src operand in thumb1_cc_op0.
+ * config/arm/arm.md : Remove peephole2 patterns which rewrite move
+ into subtract of ZERO.
+
+2012-11-27 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/55331
+ * gimple-fold.c (gimplify_and_update_call_from_tree): Replace
+ stmt with a NOP instead of removing it.
+
+2012-11-27 Steven Bosscher <steven@gcc.gnu.org>
+
+ * loop-invariant.c (check_invariant_table_size): Take sizeof of
+ the right type.
+
+ * reorg.c (resource_conflicts_p): Use hard_reg_set_intersect_p.
+ (rare_destination): Remove.
+ (mostly_true_jump): Simplify. Base result on REG_BR_PROP notes if
+ available, otherwise assume branches are not taken.
+ (fill_eager_delay_slots): Update mostly_true_jump call.
+ (relax_delay_slots): Likewise.
+
+2012-11-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * reorg.c (redundant_insn): Do not handle DEBUG_INSNs.
+
+2012-11-26 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR target/55277
+ * lra-constraints.c (in_class_p): Check reg class contents too.
+
+2012-11-26 James Greenhalgh <james.greenhalgh@arm.com>
+
+ * config/aarch64/aarch64-builtins.c (aarch64_builtin_decls): New.
+ (aarch64_init_simd_builtins): Store declaration after builtin
+ initialisation.
+ (aarch64_builtin_decl): New.
+ * config/aarch64/aarch64-protos.h (aarch64_builtin_decl): New.
+ * config/aarch64/aarch64.c (TARGET_BUILTIN_DECL): Define.
+
+2012-11-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ * doc/invoke.texi: Remove -dv documentation. Fix up graph dump related
+ documentation. Document the '-graph' dump option. Complete the '-slim'
+ dump option documentation.
+
+ * common.opt (Variable graph_dump_format): Remove.
+ * flag-types.h (enum graph_dump_types): Remove.
+ * flags.h (dump_for_graph): Remove.
+ * opts.c (decode_d_option): Remove -dv handling.
+ * sched-int.h (print_insn, print_pattern, print_value): Move prototypes
+ from here ...
+ * rtl.h: ...to here. Add note that these functions ought to be in
+ another file.
+ * sched-vis.c (print_insn): Add detailed dump for insn notes.
+ * print-rtl.c (dump_for_graph): Remove.
+ (print_rtx): Remove dump_for_graph related code.
+ * graph.c: Almost complete re-write to dump DOT (GraphViz) dumps
+ instead of VCG dumps.
+ * graph.h (print_rtl_graph_with_bb): Update prototype.
+ * passes.c (finish_optimization_passes): Fix profile dump finishing.
+ Unconditionally loop over graph dumps to finalize.
+ (execute_function_dump): Split code to dump graphs to separate block.
+ (execute_one_pass): Don't set TDF_GRAPH here, let the dump option
+ decoders do their job.
+
+ * ddg.c (vcg_print_ddg): Make it a DEBUG_FUNCTION.
+ * toplev.c: Don't include graph.h.
+ * tree-optimize.c: Don't include graph.h.
+
+2012-11-26 Marek Polacek <polacek@redhat.com>
+
+ * cprop.c (hash_set): Remove variable. Use regno variable directly.
+
+2012-11-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.h (DECL_RESTRICTED_P): Delete.
+ (DECL_READ_P): Add comment.
+ (DECL_NONSHAREABLE): Likewise.
+ (TYPE_NO_FORCE_BLK): Fix comment.
+ (struct tree_decl_common): Remove decl_restricted_flag, add decl_flag_3.
+ * tree-emutls.c (new_emutls_decl): Do not deal with DECL_RESTRICTED_P.
+ * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Likewise.
+ * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
+
+ * alias.c (nonoverlapping_component_refs_p): Fix thinko.
+
+2012-11-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * doc/sourcebuild.texi: Document arm_v8_vfp_ok.
+
+2012-11-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/arm/arm.h (TARGET_FPU_ARMV8): New macro.
+ * config/arm/arm.md (UNSPEC_VRINTZ, UNSPEC_VRINTP, UNSPEC_VRINTM)
+ (UNSPEC_VRINTR, UNSPEC_VRINTX, UNSPEC_VRINTA): New unspecs.
+ (f_rints, f_rintd): New types.
+ * config/arm/iterators.md (VRINT): New int iterator.
+ (F_fma_type): Remove.
+ (vfp_type): New mode attribute.
+ (vfp_double_cond): Likewise.
+ (vrint_pattern, vrint_variant, vrint_predicable): New int attribute.
+ * config/arm/vfp.md (fma<SDF:mode>4): Use vfp_type iterator
+ instead of F_fma_type.
+ (*fmsub<SDF:mode>4, *fnmsub<SDF:mode>4, *fnmadd<SDF:mode>4): Likewise.
+ (<vrint_pattern><SDF:mode>2): New pattern.
+
+2012-11-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * fold-const.c (const_binop): Adjust comment.
+ (extract_muldiv_1): Likewise.
+ (fold_comparison): Likewise.
+ * stor-layout.c (place_field): Fix typo.
+ * tree.c (double_int_fits_to_tree_p): Remove obsolete comment.
+ (force_fit_type_double): Likewise. Fix long line.
+
+2012-11-26 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.h (TARGET_LDRD): Reject Thumb1 targets.
+
+2012-11-26 Matthias Klose <doko@ubuntu.com>
+
+ * config/rs6000/t-linux (MULTIARCH_DIRNAME): Fix unbalanced
+ parentheses.
+
+2012-11-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/54471
+ * tree-vrp.c (extract_range_from_binary_expr_1): For MULT_EXPR,
+ don't canonicalize range if min2 is zero.
+
+2012-11-26 Hans-Peter Nilsson <hp@bitrange.com>
+
+ PR middle-end/55030
+ * builtins.c (expand_builtin_setjmp_receiver): Update comment
+ regarding purpose of blockage.
+ * emit-rtl.c [!HAVE_blockage] (gen_blockage): Similarly for
+ the head comment.
+ * rtlanal.c (volatile_insn_p): Ditto.
+ * doc/md.texi (blockage): Update similarly. Change wording to
+ require one of two forms, rather than implying a wider choice.
+ * cse.c (cse_insn): Where checking for blocking insns, use
+ volatile_insn_p instead of manual check for volatile ASM.
+ * dse.c (scan_insn): Ditto.
+ * cselib.c (cselib_process_insn): Ditto.
+
+2012-11-25 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (<sse>_loadu<ssemodesuffix><avxsizesuffix>):
+ Do not depend on TARGET_SSE_TYPELESS_STORES.
+ (<sse2>_loaddqu<avxsizesuffix>): Ditto.
+ (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Fix handling of
+ TARGET_SSE_TYPELESS_STORES.
+ (<sse2>_storedqu<avxsizesuffix>): Ditto.
+
+2012-11-25 Steven Bosscher <steven@gcc.gnu.org>
+
+ * doc/tm.texi.in (DELAY_SLOTS_FOR_EPILOGUE): Remove documentation.
+ (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
+ * doc/tm.texi: Regenerate.
+ * reorg.c (fill_simple_delay_slots): Remove code conditional on
+ DELAY_SLOTS_FOR_EPILOGUE being defined.
+ (make_return_insns, dbr_schedule): Likewise.
+ * system.h (DELAY_SLOTS_FOR_EPILOGUE): Poison.
+ (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
+
+2012-11-24 Jack Howarth <howarth@bromo.med.uc.edu>
+
+ * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fsanitize=address.
+
+2012-11-24 Matthias Klose <doko@ubuntu.com>
+
+ * configure.ac (multiarch): Use $enableval instead of $withval.
+ * configure: Regenerate.
+ * config/i386/t-kfreebsd (MULTILIB_OSDIRNAMES): Filter out x32.
+ * gcc/config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use
+ x86_64-linux-gnux32 as multiarch name for x32.
+
+2012-11-23 Tobias Burnus <burnus@net-b.de>
+
+ * doc/invoke.texi (-fsanitize=address): Remove obsolete remark.
+
+2012-11-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/54046
+ * Makefile.in (gimple-low.o): Depend on langhooks.h.
+ * gimple-low.c: Include langhooks.c.
+ (block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK,
+ by default call lang_hooks.block_may_fallthru.
+ * langhooks.h (struct lang_hooks): Add block_may_fallthru langhook.
+ * langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define.
+ (LANG_HOOKS_INITIALIZER): Use it.
+
+2012-11-23 Jan Hubicka <jh@suse.cz>
+
+ * i386-c.c (ix86_target_macros_internal): Update handling of core
+ chips.
+ * i386.c (DUMMY_STRINGOP_ALGS): Update
+ (*_cost): Update.
+ (core_cost): Copy from generic64_cost; fix stringop descriptors.
+ (m_CORE2_32, m_CORE2_64, m_COREI7_32, m_COREI7_64, m_CORE2I7_32,
+ m_CORE2I7_64): Remove.
+ (m_CORE2, m_COREI7, m_CORE2I7): Update.
+ (initial_ix86_tune_features): Update.
+ (processor_target): Update.
+ (ix86_option_override_internal): Update.
+ (ix86_option_override_internal): Remove PROCESSOR_CORE2_64,
+ PROCESSOR_COREI7_64 special cases.
+ (decide_alg): Add noalign parameter; set it.
+ (ix86_expand_movmem, ix86_expand_setmem): Update noalign handling.
+ (ix86_issue_rate): Update.
+ (ia32_multipass_dfa_lookahead): Update.
+ (ix86_sched_init_global): Update.
+ (get_builtin_code_for_version): Update.
+ * i386.h (stringop_strategy): Add noalign flag.
+ (TARGET_CORE2_32, TARGET_CORE2_64, TARGET_COREI7_32, TARGET_COREI7_64):
+ Remove.
+ (TARGET_CORE2, TARGET_COREI7): New.
+ (enum processor_type): Remove PROCESSOR_CORE2_32, PROCESSOR_CORE2_64,
+ PROCESSOR_COREI7_32, PROCESSOR_COREI7_64; add PROCESSOR_CORE2,
+ PROCESSOR_COREI7.
+
+2012-11-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/55388
+ * alias.c (nonoverlapping_component_refs_p): Handle bitfields.
+ * emit-rtl.c (adjust_address_1): Deal with VOIDmode early.
+ * expmed.c (store_bit_field): Turn the call to adjust_address
+ into a call to adjust_bitfield_address_size.
+
+2012-11-23 Vladimir Makarov <vmakarov@redhat.com>
+
+ * lra.c (lra): Move init_reg_info and expand_reg_info calls before
+ init_insn_recog_data.
+
+2012-11-23 Jakub Jelinek <jakub@redhat.com>
+
+ * tsan.c: Fix up comment formatting.
+ (instrument_gimple): Ignore gimple_clobber_p stmts.
+ (pass_tsan, pass_tsan_O0): Remove TODO_update_address_taken
+ from todo_flags_finish.
+
+ PR sanitizer/55435
+ * asan.c (gate_asan): Don't instrument functions with
+ no_address_safety_analysis attribute.
+ (gate_asan_O0): Use !optimize && gate_asan ().
+ * doc/extend.texi (no_address_safety_analysis): Document new
+ function attribute.
+
+2012-11-22 Teresa Johnson <tejohnson@google.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * predict.c (maybe_hot_count_p): Use threshold from profiled working
+ set instead of hard limit.
+ (cgraph_maybe_hot_edge_p): Invoke maybe_hot_count_p() instead of
+ directly checking limit.
+ * params.def (HOT_BB_COUNT_FRACTION): Remove.
+ (HOT_BB_COUNT_WS_PERMILLE): New parameter.
+ * doc/invoke.texi (hot-bb-count-fraction): Remove.
+ (hot-bb-count-ws-permille): Document.
+
+2012-11-22 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR middle-end/55430
+ * lra.c: Move #include "hard-reg-set.h" before #include "rtl.h".
+ (new_insn_reg): Update biggest_mode.
+ (collect_non_operand_hard_regs): Check eliminable regs too.
+ (initialize_lra_reg_info_element): Initialize biggest_mode.
+ (add_regs_to_insn_regno_info): Ignore non-allocatable
+ non-eliminable hard regs.
+ (lra.c): Move setting lra_no_alloc_regs before
+ init_insn_recog_data.
+ * lra-constraints.c (simplify_operand_subreg): Add a comment.
+ (lra_constraints): Ignore equivalent memory of
+ regs occuring in paradoxical subregs.
+ * lra-lives.c (lra_create_live_ranges): Add a comment.
+
+2012-11-22 Dmitry Vyukov <dvyukov@google.com>
+ Wei Mi <wmi@google.com>
+
+ * builtins.def (DEF_SANITIZER_BUILTIN): Define tsan builtins.
+ * sanitizer.def: Ditto.
+ * Makefile.in (tsan.o): Add tsan.o target.
+ (BUILTINS_DEF): Add sanitizer.def.
+ * passes.c (init_optimization_passes): Add tsan passes.
+ * tree-pass.h (register_pass_info): Ditto.
+ * toplev.c (compile_file): Ditto.
+ * doc/invoke.texi: Document tsan related options.
+ * gcc.c (LINK_COMMAND_SPEC): Add LIBTSAN_SPEC in link command if
+ -fsanitize=thread.
+ * tsan.c: New file about tsan.
+ * tsan.h: Ditto.
+ * common.opt: Add -fsanitize=thread.
+
+2012-11-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * doc/md.texi (RTL Templates Transformation): Use @pxref for
+ cross-reference in parentheses.
+
+2012-11-22 Marcus Shawcroft <marcus.shawcroft@arm.com>
+
+ * doc/md.texi (AArch64 family): Remove Utf.
+
+2012-11-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*jcc<mode>_0_i387): Macroize insn
+ from *fp_jcc_3_387 using X87MODEF mode iterator.
+ (*jcc<mode>_0_r_i387): New.
+ (*jccxf_i387): Ditto.
+ (*jccxf_r_i387): Ditto.
+ (*jcc<mode>_i387): Macroize insn from *fp_jcc_1_387 using
+ MODEF mode iterator.
+ (*jcc<mode>_r_i387): Macroize insn from *fp_jcc_1r_387 using
+ MODEF mode iterator.
+ (*jccu<mode>_i387): Macroize insn from *fp_jcc_2_387 using
+ X87MODEF mode iterator.
+ (*jccu<mode>_r_i387): Macroize insn from *fp_jcc_2r_387 using
+ X87MODEF mode iterator.
+ (*jcc{,u}<mode>_i387 splitters): Macroize splitters using
+ X87MODEF mode iterator.
+ (*jcc<X87MODEF:mode>_<SWI24:mode>_i387): Macroize insn
+ from *fp_jcc_4_<mode>_387 using X87MODEF mode iterator.
+ (*jcc<X87MODEF:mode>_<SWI24:mode>_r_i387): New.
+ (*jcc<X87MODEF:mode>_<SWI24:mode>_i387 splitters): Macroize
+ splitters using X87MODEF and SWI24 mode iterators.
+
+2012-11-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (FPCMP): New mode iterator.
+ (unord): New mode attribute.
+ (*cmp<mode>_0_i387): Macroize insn from *cmpfp_0
+ using X87MODEF mode iterator.
+ (*cmp<mode>_0_cc_i387): Macroize insn from *cmpfp_0_cc using
+ X87MODEF mode iterator.
+ (*cmpxf_i387): Rename from *cmpfp_xf.
+ (*cmpxf_cc_i387): Rename from *cmpfp_xf_cc.
+ (*cmp<mode>_i387): Rename from *cmpfp_<mode>.
+ (*cmp<mode>_cc_i387): Rename from *cmpfp_<mode>_cc.
+ (*cmpu<mode>_i387): Macroize insn from *cmpfp_u using X87MODEF
+ mode iterator.
+ (*cmpu<mode>_cc_i387): Macroize insn from *cmpfp_u_cc using X87MODEF
+ mode iterator.
+ (*cmp<X87MODEF:mode>_<SWI24:mode>_i387): Macroize_insn from
+ *cmpfp_<mode> using X87MODEF mode iterator.
+ (*cmp<X87MODEF:mode>_<SWI24:mode>_cc_i387): Macroize_insn from
+ *cmpfp_<mode>_cc using X87MODEF mode iterator.
+ (*cmpi<FPCMP:unord><MODEF:mode>_mixed): Macroize insn from
+ *cmpfp_i{,u}_mixed using FPCMP and MODEF mode iterators.
+ (*cmpi<FPCMP:unord><MODEF:mode>_mixed): Macroize insn from
+ *cmpfp_i{,u}_sse using FPCMP and MODEF mode iterators.
+ (*cmpi<CCFPCMP:unord><X87MODEF:mode>_i387): Macroize insn from
+ *cmpfp_i{,u}_387 using FPCMP and X87MODEF mode iterators.
+
+2012-11-22 Ian Bolton <ian.bolton@arm.com>
+
+ * config/aarch64/aarch64.md (bswaphi2): New pattern.
+
+2012-11-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR sanitizer/55379
+ * gcc.c (LINK_COMMAND_SPEC): Issue an error for -static with
+ -fsanitize=address.
+
+2012-11-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * gcc.c (ADD_STATIC_LIBASAN_LIBS): New macro. Defined
+ with STATIC_LIBASAN_LIBS.
+ (LIBASAN_SPEC): Add STATIC_LIBASAN_LIBS.
+ * config/gnu-user.h (STATIC_LIBASAN_LIBS): New macro.
+
+2012-11-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/arm/arm.md (*arm_abssi2): Define predicable attribute.
+ (*arm_neg_abssi2): Likewise.
+ * config/arm/thumb2.md (*thumb2_abssi2): Likewise.
+ (*thumb2_neg_abssi2): Likewise.
+
+2012-11-22 Jakub Jelinek <jakub@redhat.com>
+
+ * ree.c (struct ext_modified): Add ATTRIBUTE_PACKED.
+
+2012-11-22 Georg-Johann Lay <avr@gjlay.de>
+
+ Adjust decimal point of signed accum mode to GCC default.
+
+ PR target/54222
+ * config/avr/avr-modes.def (HA, SA, DA): Remove mode adjustments.
+ (TA): Move decimal point one bit to the right.
+ * config/avr/avr.c (avr_out_fract): Rewrite.
+
+2012-11-21 Matthias Klose <doko@ubuntu.com>
+
+ * config/alpha/t-linux: New file; define MULTIARCH_DIRNAME.
+ * config.gcc <alpha*-*-linux*> (tmake_file): Include alpha/t-linux.
+
+2012-11-21 Matthias Klose <doko@ubuntu.com>
+
+ * config/m68k/t-linux: Define MULTIARCH_DIRNAME.
+
+2012-11-21 Matthias Klose <doko@ubuntu.com>
+
+ * config/ia64/t-linux: New file; define MULTIARCH_DIRNAME.
+ * config.gcc <ia64*-*-linux*> (tmake_file): Include ia64/t-linux.
+
+2012-11-21 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55414
+ * lra-constraints.c (Index): New function.
+ (lra_constraints): Check dead equiv init insns.
+
+2012-11-21 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (extvmisaligndi): Rename from extv; update
+ mode of operand 1; remove ancient extract_bit_field workaround.
+ (insvmisaligndi): Rename from insv and update similarly.
+ (extzvmisaligndi): Rename from extzv and update similarly; split out...
+ (extzvdi): New expander.
+
+2012-11-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ * doc/cpp.texi: Document __SANITIZE_ADDRESS__.
+
+2012-11-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR c/55397
+ * cppbuiltin.c (define_builtin_macros_for_compilation_flags):
+ Define __SANITIZE_ADDRESS__ for flag_asan.
+
+2012-11-21 Wei Mi <wmi@google.com>
+
+ * common.opt: Change faddress-sanitizer to fsanitize=address.
+ * toplev.c (process_options): Likewise.
+ * gcc.c (LINK_COMMAND_SPEC): Likewise.
+ * testsuite/lib/asan-dg.exp
+ (check_effective_target_faddress_sanitizer): Likewise.
+ (asan_init): Likewise.
+ * doc/invoke.texi (-fsanitize=address): Document.
+
+2012-11-21 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-prop.h (struct ipa_node_params): Rename clone_for_all_contexts to
+ do_clone_for_all_contexts. Update all uses. New flag
+ is_all_contexts_clone.
+ * ipa-cp.c (cgraph_edge_brings_value_p): Also consider the case when cs
+ leads to the clone for all contexts.
+ (perhaps_add_new_callers): Likewise.
+ (decide_whether_version_node): Remove bogus !plats->aggs test. Set
+ is_all_contexts_clone when cloning for all contexts.
+
+2012-11-21 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/55260
+ * ipa-cp.c (intersect_aggregates_with_edge): New function.
+ (find_aggregate_values_for_callers_subset): Part moved to the function
+ above. Call it.
+ (cgraph_edge_brings_all_agg_vals_for_node): Reimplemented using
+ intersect_aggregates_with_edge.
+
+2012-11-21 Matthias Klose <doko@ubuntu.com>
+
+ * config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
+
+2012-11-21 Teresa Johnson <tejohnson@google.com>
+
+ PR gcov-profile/55417
+ * profile.c (compute_working_sets): Check index first
+ to avoid out-of-bounds array access.
+
+2012-11-21 Matthias Klose <doko@ubuntu.com>
+
+ * config/aarch64/t-aarch64-linux: Define MULTIARCH_DIRNAME for
+ linux target.
+
+2012-11-21 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md
+ (*float<SWI48x:mode><MODEF:mode>2_mixed_with_temp): Use SWI48 mode
+ iterator instead of SWI48x. Update insn constraint.
+ (*float<SWI48x:mode><MODEF:mode>2_mixed_interunit): Ditto.
+ (*float<SWI48x:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
+ (*float<SWI48x:mode><MODEF:mode>2_sse_with_temp): Ditto.
+ (*float<SWI48x:mode><MODEF:mode>2_sse_interunit): Ditto.
+ (*float<SWI48x:mode><MODEF:mode>2_sse_nointerunit): Ditto.
+ (*float<SWI48x:mode><MODEF:mode>2 splitters): Ditto.
+ (lrint<MODEF:mode><SWI48x:mode>2): Ditto.
+
+2012-11-21 Marcus Shawcroft <marcus.shawcroft@arm.com>
+
+ * Makefile.in (gengtype-lex.o): Add dependency on $(BCONFIG_H).
+
+2012-11-21 Bin Cheng <bin.cheng@arm.com>
+
+ * config/arm/arm-cores.def (cortex-m1, cortex-m0)
+ (cortex-m0plus): Use v6m.
+ * config/arm/arm-protos.h (tune_params): Add
+ logical_op_non_short_circuit.
+ * config/arm/arm.c (arm_slowmul_tune, arm_fastmul_tune)
+ (arm_strongarm_tune, arm_xscale_tune, arm_9e_tune, arm_v6t2_tune)
+ (arm_cortex_tune, arm_cortex_a15_tune, arm_cortex_a5_tune)
+ (arm_cortex_a9_tune, arm_fa726te_tune): Set
+ logical_op_non_short_circuit field.
+ (arm_v6m_tune): New tune_params struct.
+ * config/arm/arm.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Define.
+
+2012-11-20 Matthias Klose <doko@ubuntu.com>
+
+ * configure.ac: Substitute `with_cpu'.
+ * configure: Regenerate.
+ * Makefile.in: Define `with_cpu'.
+ * config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
+ * config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME.
+ * config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2
+ to the list.
+ (MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS.
+ * config/rs6000/t-spe: Define MULTIARCH_DIRNAME.
+ * config.gcc <powerpc-*-linux* | powerpc64-*-linux*> (tmake_file):
+ Include rs6000/t-linux for 32bit non-biarch configurations.
+
+2012-11-20 Matthias Klose <doko@ubuntu.com>
+
+ * doc/install.texi: Move multiarch paragraph out of multilib
+ documentation.
+
+2012-11-20 Matthias Klose <doko@ubuntu.com>
+
+ * config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.
+
+2012-11-20 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * stor-layout.c (bit_field_mode_iterator::next_mode): Fix signedness.
+
+2012-11-20 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55396
+ * lra-constraints.c (get_reload_reg): Change class if it is
+ different from reg class.
+
+2012-11-20 Jakub Jelinek <jakub@redhat.com>
+
+ * vec.h (class vec_prefix): Change into struct.
+ Rename field alloc_PRIVATE_ back to alloc_.
+ Rename field num_PRIVATE_ to num_.
+ Update all users.
+ (class vec<T, A, vl_embed>): Rename field pfx_PRIVATE_ to vecpfx_.
+ Rename field data_PRIVATE_ to vecdata_.
+ Update all users.
+ (class vec<T, A, vl_ptr>): Make every field public.
+ Rename field vec_PRIVATE_ back to vec_.
+ Update all users.
+
+2012-11-20 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/55403
+ PR middle-end/55391
+ * expmed.c (store_bit_field_1): Use adjust_bitfield_address_size
+ rather than adjust_bitfield_address to change the mode of a reference.
+ (extract_bit_field_1): Likewise.
+
+2012-11-20 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
+ explaining the register ordering preferences.
+
+2012-11-20 Aldy Hernandez <aldyh@redhat.com>
+
+ PR tree-optimization/55350
+ * gimple-ssa-strength-reduction.c (replace_dependent): Handle
+ POINTER_PLUS_EXPR correctly.
+
+2012-11-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (fix_trunc<MODEF:mode><SWI48:mode>_sse): Macroize
+ insn from fix_trunc<mode>{si,di}_sse using SWI48 mode iterator.
+ (peephole2 to avoid vector decoded forms): Macroize peephole2
+ using MODEF mode iterator. Use SWI48 mode iterator instead of SWI48x.
+
+2012-11-20 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/19398
+ * config/i386/i386.md
+ (peephole2 to shorten x87->SSE reload sequences): Remove peephole2.
+ * config/i386/i386.h (enum ix86_tune_indices)
+ <IX86_TUNE_SHORTEN_X87_SSE>: Remove.
+ (TARGET_SHORTEN_X87_SSE): Remove.
+ * config/i386/i386.c (initial_ix86_tune_features): Update.
+
+2012-11-20 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR target/19398
+ * lra-constraints.c (process_alt_operands): Discourage reloads
+ through secondary memory.
+
+2012-11-20 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/rs6000.md (largetoc_low): Revert.
+ (largetoc_low_aix<mode>): New.
+
+2012-11-20 Diego Novillo <dnovillo@google.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ * vec.h (struct vnull): Declare.
+ (vNULL): Declare.
+ * vec.c (vNULL): Define.
+ * bb-reorder.c: Replace all vec<T, A>() initializers with vNULL.
+ * cfgexpand.c: Likewise.
+ * cfgloop.c: Likewise.
+ * cfgloopanal.c: Likewise.
+ * cfgloopmanip.c: Likewise.
+ * cgraph.c: Likewise.
+ * config/c6x/c6x.c: Likewise.
+ * config/i386/i386.c: Likewise.
+ * df-core.c: Likewise.
+ * dominance.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * except.c: Likewise.
+ * function.c: Likewise.
+ * gcse.c: Likewise.
+ * genautomata.c: Likewise.
+ * graphds.c: Likewise.
+ * graphite-scop-detection.c: Likewise.
+ * graphite.c: Likewise.
+ * haifa-sched.c: Likewise.
+ * ifcvt.c: Likewise.
+ * ipa-cp.c: Likewise.
+ * ipa-inline-analysis.c: Likewise.
+ * ipa-inline-transform.c: Likewise.
+ * ipa-inline.c: Likewise.
+ * ipa-prop.c: Likewise.
+ * ipa-split.c: Likewise.
+ * ipa-utils.c: Likewise.
+ * ira-build.c: Likewise.
+ * lto-cgraph.c: Likewise.
+ * lto-streamer-in.c: Likewise.
+ * lto-symtab.c: Likewise.
+ * opts-global.c: Likewise.
+ * passes.c: Likewise.
+ * ree.c: Likewise.
+ * sched-deps.c: Likewise.
+ * sel-sched-ir.c: Likewise.
+ * sel-sched-ir.h: Likewise.
+ * sel-sched.c: Likewise.
+ * stor-layout.c: Likewise.
+ * trans-mem.c: Likewise.
+ * tree-call-cdce.c: Likewise.
+ * tree-cfg.c: Likewise.
+ * tree-data-ref.c: Likewise.
+ * tree-diagnostic.c: Likewise.
+ * tree-eh.c: Likewise.
+ * tree-loop-distribution.c: Likewise.
+ * tree-predcom.c: Likewise.
+ * tree-ssa-loop-im.c: Likewise.
+ * tree-ssa-loop-ivcanon.c: Likewise.
+ * tree-ssa-loop-manip.c: Likewise.
+ * tree-ssa-loop-niter.c: Likewise.
+ * tree-ssa-loop-prefetch.c: Likewise.
+ * tree-ssa-math-opts.c: Likewise.
+ * tree-ssa-phiopt.c: Likewise.
+ * tree-ssa-pre.c: Likewise.
+ * tree-ssa-propagate.c: Likewise.
+ * tree-ssa-reassoc.c: Likewise.
+ * tree-ssa-sccvn.c: Likewise.
+ * tree-ssa-structalias.c: Likewise.
+ * tree-ssa-threadedge.c: Likewise.
+ * tree-ssa-uninit.c: Likewise.
+ * tree-stdarg.c: Likewise.
+ * tree-switch-conversion.c: Likewise.
+ * tree-vect-data-refs.c: Likewise.
+ * tree-vect-loop.c: Likewise.
+ * tree-vect-slp.c: Likewise.
+ * tree-vect-stmts.c: Likewise.
+ * value-prof.c: Likewise.
+ * varasm.c: Likewise.
+
+2012-11-20 Diego Novillo <dnovillo@google.com>
+
+ * Makefile.in (tlink.o): Add dependency on VEC_H.
+
+2012-11-20 Diego Novillo <dnovillo@google.com>
+
+ PR middle-end/55398
+ * vec.h (class vec_prefix): Make every field public.
+ Rename field alloc_ to alloc_PRIVATE_.
+ Rename field num_ to num_PRIVATE_.
+ Update all users.
+ (class vec<T, A, vl_embed>): Make every field public.
+ Rename field pfx_ to pfx_PRIVATE_.
+ Rename field data_ to data_PRIVATE_.
+ Update all users.
+ (class vec<T, A, vl_ptr>): Make every field public.
+ Rename field vec_ to vec_PRIVATE_.
+ Update all users.
+
+2012-11-20 Kai Tietz <ktietz@redhat.com>
+
+ PR target/55268
+ * i386.c (ix86_mangle_decl_assembler_name): Use
+ SUBTARGET_MANGLE_DECL_ASSEMBLER_NAME if defined.
+ * cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Rename
+ to SUBTARGET_MANGLE_DECL_ASSEMBLER_NAME.
+
+2012-11-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_expand_call): Emit CLOBBERs in VOIDmode.
+
+2012-11-20 Nick Clifton <nickc@redhat.com>
+
+ * config/v850/v850.c (F): New function. Mark the given insn as
+ being frame related.
+ (v850_all_frame_related): New function. Mark the given push insn
+ as being frame related.
+ (v850_pass_by_reference): When using the RH850 ABI do not pass
+ arguments by reference.
+ (v850_strict_argument_naming): Delete function.
+ (v850_function_arg): Use word alignment with the RH850 ABI.
+ (v850_arg_partial_bytes): Likewise.
+ (v850_function_arg_advance): Likewise.
+ (v850_print_operand): Handle CONST_INT and CONST_DOUBLE.
+ (compute_register_save_size): Use df_regs_ever_live_p.
+ (increment_stack): Mark prologue adjustments as being frame related.
+ (expand_prologue): Handle pretend args. Mark insns generated as
+ being frame related.
+ (expand_epilogue): Likewise.
+ (v850_return_in_memory): When using the RH850 ABI return
+ aggregates in memory.
+ (v850_setup_incoming_varargs): Delete function.
+ (v850_option_override): New function.
+ (TARGET_DEBUG_UNWIND_INFO): Delete definition.
+ (TARGET_SETUP_INCOMING_VARARGS): Likewise.
+ (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
+ (TARGET_OPTION_OVERRIDE): Define.
+ * config/v850/v850.h (ASM_SPEC): Pass 8byte-align and gcc-abi
+ options on to assembler.
+ (LINK_SPEC): Likewise.
+ (TARGET_CPU_CPP_BUILTINS): Define __V850_8BYTE_ALIGN__ and
+ __V850_GCC_ABI__.
+ (STACK_BOUNDARY): Set to BIGGEST_ALIGNMENT.
+ (FUNCTION_BOUNDARY): With the RH850 ABI always 32-bit alignment.
+ (BIGGEST_ALIGNMENT): With -8byte-align set to 64-bits.
+ (BIGGEST_FIELD_ALIGNMENT): Likewise.
+ (enum reg_class): Swap EVEN_REGS and GENERAL_REGS.
+ (REG_CLASS_NAMES): Likewise.
+ (REG_CLASS_CONTENTS): Likewise.
+ (struct cum_arg): Delete anonymous_args field.
+ (INIT_CUMULATIVE_ARGS): Update.
+ (PREFERRED_DEBUG): Set to DWARF2_DEBUG.
+ (DWARF2_FRAME_INFO): Define.
+ (DWARF2_UNWIND_INFO): Define.
+ (INCOMING_RETURN_ADDR_RTX): Define.
+ (DWARF_FRAME_RETURN_COLUMN): Define.
+ (TARGET_USE_FPU): Define.
+ * config/v850/v850.md: Replace TARGET_V850E2V3 in floating point
+ insns with TARGET_USE_FPU.
+ (fixuns_truncsfsi2): New pattern.
+ (fixuns_truncdfsi2): New pattern.
+ (fix_truncsfdi2): New pattern.
+ (fixuns_truncsfdi2): New pattern.
+ (fix_truncdfdi2): New pattern.
+ (fixuns_truncdfdi2): New pattern.
+ (unsfloatsisf2): New pattern.
+ (unsfloatsidf2): New pattern.
+ (floatdisf2): New pattern.
+ (unsfloatdisf2): New pattern.
+ (floatdidf2): New pattern.
+ (unsfloatdidf2): New pattern.
+ (fnmasf4): Fix RTl description.
+ (fnmssf4): Likewise.
+ * config/v850/v850.opt (mrelax): New option.
+ (mlong-jumps): Likewise.
+ (msoft-float): Likewise.
+ (mhard-float): Likewise.
+ (mrh850-abi): Likewise.
+ (mgcc-abi): Likewise.
+ (m8byte-align): Likewise.
+ * config/v850/t-v850 (MULTILIB_OPTIONS): Update multilib options.
+ (MULTILIB_DIRNAMES): Likewise.
+
+2012-11-20 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.c (rx_function_arg_boundary): When using the RX ABI
+ align stack arguments to their natural alignment.
+ (rx_narrow_volatile_bitfield): New function. Allows narrow
+ volatile bitfields.
+ (rx_ok_to_inline): New function. Do not inline functions with
+ local variables into a naked caller.
+ (TARGET_NARROW_VOLATILE_BITFIELD): Define.
+ (TARGET_CAN_INLINE_P): Define.
+ * config/rx/rx.c (TARGET_CPU_CPP_BUILTINS): Define __RX_ABI__ or
+ __RX_GC_ABI__.
+ (ASM_SPEC): Pass -mgcc-abi on to the assembler.
+ (STRICT_ALIGNMENT): Set to false.
+ (CTORS_SECTION_ASM_OP): Add executable attribute.
+ (DTORS_SECTION_ASM_OP): Add executable attribute.
+ (INIT_ARRAY_SECTION_ASM_OP): Add executable attribute.
+ (FINI_ARRAY_SECTION_ASM_OP): Add executable attribute.
+ * config/rx/rx.md (subdi3): Don't allow MEMs as the third operand,
+ as it causes too much reload pressure.
+ * config/rx/rx.opt (mgcc-abi): New option.
+ (mrx-abi): New option.
+ * config/rx/t-rx (MULTILIB_OPTIONS): Show how to add an ABI multilib.
+ (MULTILIB_DIRNAMES): Likewise.
+
+2012-11-20 James Greenhalgh <james.greenhalgh@arm.com>
+ Tejas Belagod <tejas.belagod@arm.com>
+
+ * config/aarch64/aarch64-builtins.c
+ (aarch64_simd_builtin_type_bits): Rename to...
+ (aarch64_simd_builtin_type_mode): ...this, make sequential.
+ (aarch64_simd_builtin_datum): Refactor members.
+ (VAR1, VAR2, ..., VAR12): Update accordingly.
+ (aarch64_simd_builtin_data): Include from aarch64-simd-builtins.def.
+ (aarch64_builtins): Update accordingly.
+ (init_aarch64_simd_builtins): Refactor, rename to...
+ (aarch64_init_simd_builtins): ...this.
+ (aarch64_simd_builtin_compare): Remove.
+ (locate_simd_builtin_icode): Likewise.
+ * config/aarch64/aarch64-protos.h (aarch64_init_builtins): New.
+ (aarch64_expand_builtin): New.
+ * config/aarch64/aarch64-simd-builtins.def: New file.
+ * config/aarch64/aarch64.c (aarch64_init_builtins):
+ Move to aarch64-builtins.c.
+ (aarch64_expand_builtin): Likewise.
+ * config/aarch64/aarch64.h
+ (aarch64_builtins): Move to aarch64-builtins.c.
+
+2012-11-20 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/55260
+ * ipa-cp.c (find_aggregate_values_for_callers_subset): Rename info to
+ dest_info, use caller_info instead of info when determining whether
+ callee is a clone.
+
+2012-11-20 Andrey Turetskiy <andrey.turetskiy@gmail.com>
+
+ * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3): Merge
+ *avx2_pmulhrswv16hi3 and *ssse3_pmulhrswv8hi3 into one pattern.
+
+2012-11-20 Sofiane Naci <sofiane.naci@arm.com>
+
+ * config/aarch64/aarch64.md
+ (define_attr "sync_*"): Remove.
+ (define_attr "length"): Update.
+ Include atomics.md.
+ * config/aarch64/aarch64-protos.h
+ (aarch64_expand_compare_and_swap): Add function prototype.
+ (aarch64_split_compare_and_swap): Likewise.
+ (aarch64_split_atomic_op): Likewise.
+ (aarch64_expand_sync): Remove function prototype.
+ (aarch64_output_sync_insn): Likewise.
+ (aarch64_output_sync_lock_release): Likewise.
+ (aarch64_sync_loop_insns): Likewise.
+ (struct aarch64_sync_generator): Remove.
+ (enum aarch64_sync_generator_tag): Likewise.
+ * config/aarch64/aarch64.c
+ (aarch64_legitimize_sync_memory): Remove function.
+ (aarch64_emit): Likewise.
+ (aarch64_insn_count): Likewise.
+ (aarch64_output_asm_insn): Likewise.
+ (aarch64_load_store_suffix): Likewise.
+ (aarch64_output_sync_load): Likewise.
+ (aarch64_output_sync_store): Likewise.
+ (aarch64_output_op2): Likewise.
+ (aarch64_output_op3): Likewise.
+ (aarch64_output_sync_loop): Likewise.
+ (aarch64_get_sync_operand): Likewise.
+ (aarch64_process_output_sync_insn): Likewise.
+ (aarch64_output_sync_insn): Likewise.
+ (aarch64_output_sync_lock_release): Likewise.
+ (aarch64_sync_loop_insns): Likewise.
+ (aarch64_call_generator): Likewise.
+ (aarch64_expand_sync): Likewise.
+ (* emit_f): Remove variable.
+ (aarch64_insn_count): Likewise.
+ (FETCH_SYNC_OPERAND): Likewise.
+ (aarch64_emit_load_exclusive): New function.
+ (aarch64_emit_store_exclusive): Likewise.
+ (aarch64_emit_unlikely_jump): Likewise.
+ (aarch64_expand_compare_and_swap): Likewise.
+ (aarch64_split_compare_and_swap): Likewise.
+ (aarch64_split_atomic_op): Likewise.
+ * config/aarch64/iterators.md
+ (atomic_sfx): New mode attribute.
+ (atomic_optab): New code attribute.
+ (atomic_op_operand): Likewise.
+ (atomic_op_str): Likewise.
+ (syncop): Rename to atomic_op.
+ * config/aarch64/sync.md: Delete.
+ * config/aarch64/atomics.md: New file.
+
+2012-11-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/55094
+ * builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
+ on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
+ * cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
+ on the first old_insns_match_p call. For !ACCUMULATE_OUTGOING_ARGS
+ fail if the last real insn doesn't have REG_ARGS_SIZE note.
+
+ PR rtl-optimization/54921
+ * cselib.h (fp_setter_insn): New prototype.
+ * cselib.c (fp_setter_insn): New function.
+ (cselib_process_insn): If frame_pointer_needed,
+ call cselib_invalidate_rtx (stack_pointer_rtx) after
+ processing a frame pointer setter.
+ * var-tracking.c (fp_setter): Removed.
+ (vt_initialize): Use fp_setter_insn instead of fp_setter.
+
+2012-11-19 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
+ constraints so that the traditional floating point loads, stores,
+ and moves are done first, then the VSX loads, stores, and moves,
+ and finally the GPR loads, stores, and moves so that reload
+ chooses FPRs over GPRs, and uses the traditional load/store
+ instructions which provide an offset.
+ (movdf_hardfloat64): Likewise.
+
+2012-11-19 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/55359
+ * simplify-rtx.c (simplify_subreg): Return null for invalid offsets.
+
+2012-11-19 Aldy Hernandez <aldyh@redhat.com>
+
+ * trans-mem.c (execute_tm_mark): Release bb_regions.
+
+2012-11-19 Aldy Hernandez <aldyh@redhat.com>
+
+ * trans-mem (collect_bb2reg): Stop scanning at irrevocable blocks.
+ (get_bb_regions_instrumented): Add new traverse_clone argument and
+ use it.
+ (expand_regions_1): Same.
+ (expand_region): Same.
+ (execute_tm_mark): Pass new argument to expand_regions.
+ (expand_block_edges): Pass new argument to get_bb_regions_instrumented.
+
+2012-11-19 Sofiane Naci <sofiane.naci@arm.com>
+
+ * config/aarch64/aarch64.c
+ (aarch64_output_mi_thunk): Refactor to generate RTL patterns.
+
+2012-11-19 Mans Rullgard <mans@mansr.com>
+
+ PR target/55276
+ * config/rs6000/rs6000.c (rs6000_stack_info): Always set vrsave_mask
+ for TARGET_ALTIVEC_ABI. Zero vrsave_save_offset if
+ !TARGET_ALTIVEC_VRSAVE.
+ (rs6000_emit_prologue): For SAVE_INLINE_VLRs, check vrsave_size
+ not vrsave_mask.
+
+2012-11-19 David Edelsohn <dje.gcc@gmail.com>
+
+ PR bootstrap/55384
+ * system.h (vec_free): Undef.
+
+2012-11-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/54630
+ * tree-ssa-coalesce.c (coalesce_ssa_name): Remove static
+ keyword from ssa_name_hash var.
+
+2012-11-19 Maxim Kuznetsov <maxim.kuznetsov@intel.com>
+ Kirill Yukhin <kirill.yukhin@intel.com>
+ Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * doc/md.texi: Document define_subst.
+ * gensupport.c (MAX_OPERANDS): New define.
+ (operand_data): New.
+ (match_operand_entries_in_pattern): New.
+ (used_operands_numbers): New.
+ (subst_true): New.
+ (subst_false): New.
+ (define_subst_queue): New.
+ (define_subst_tail): New.
+ (define_subst_attr_queue): New.
+ (define_subst_attr_tail): New.
+ (has_subst_attribute): New.
+ (subst_pattern_match): New.
+ (get_alternatives_number): New.
+ (alter_output_for_subst_insn): New.
+ (alter_attrs_for_subst_insn): New.
+ (process_substs_on_one_elem): New.
+ (subst_dup): New.
+ (process_define_subst): New.
+ (duplicate_alternatives): New.
+ (duplicate_each_alternative): New.
+ (constraints_handler_t): New typedef.
+ (alter_constraints): New.
+ (adjust_operands_numbers): New.
+ (replace_duplicating_operands_in_pattern): New.
+ (remove_from_queue): New.
+ (process_rtx): Handle define_subst and define_subst_attr.
+ (change_subst_attribute): New.
+ (alter_predicate_for_insn): Fix formatting.
+ (alter_attrs_for_insn): Likewise.
+ (alter_output_for_insn): Likewise.
+ (mark_operands_from_match_dup): New.
+ (mark_operands_used_in_match_dup): New.
+ (find_first_unused_number_of_operand): New.
+ (renumerate_operands_in_pattern): New.
+ (generate_match_dup): New.
+ (check_define_attr_duplicates): New.
+ (init_rtx_reader_args_cb): Add checking for duplicated attrs and
+ processing of define_subst.
+ (read_md_rtx): Handle define_subst.
+ * read-rtl.c (struct subst_attr_to_iter_mapping): New.
+ (substs): New global.
+ (apply_subst_iterator): New.
+ (bind_subst_iter_and_attr): New.
+ (find_subst_iter_by_attr): New.
+ (map_attr_string): Handle subst-iterators.
+ (add_condition_to_rtx): Handle define_subst.
+ (apply_iterators): Likewise.
+ (initialize_iterators): Likewise.
+ (add_define_attr_for_define_subst): New.
+ (add_define_subst_attr): New.
+ (read_subst_mapping): New.
+ (read_rtx): Handle define_subst_attr.
+ (read_rtx_code): Add subst-attributes recognition during reading of
+ strings.
+ * rtl.def (DEFINE_EXPAND): Add vector of attributes.
+ (DEFINE_SUBST): New.
+ (DEFINE_SUBST_ATTR): New.
+
+2012-11-19 Tom de Vries <tom@codesourcery.com>
+
+ PR rtl-optimization/55315
+
+ * rtlanal.c (nonzero_address_p): Don't assume a nonzero address plus a
+ const is a nonzero address.
+
+2012-11-18 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/extend.texi: Use @smallexample consistently. Add @noindent
+ when continuing a sentence or paragraph past an example. Change
+ tabs to spaces in examples.
+
+2012-11-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * doc/md.texi (extv@var{m}, extvmisalign@var{m}, extzv@var{m})
+ (extzvmisalign@var{m}, insv@var{m}, insvmisalign@var{m}): Document.
+ (insv, extv, extzv): Deprecate.
+ * optabs.def (insv_optab, extv_optab, extzv_optab)
+ (insvmisalign_optab, extvmisalign_optab, extzvmisalign_optab):
+ New optabs.
+ * optabs.c (get_optab_extraction_insn): New function.
+ (get_extraction_insn): Use it.
+ * config/mips/mips.md (extv): Split into...
+ (extvmisalign<mode>, extv<mode>): ...these new patterns. Rename
+ existing extv<mode> pattern to...
+ (*extv<mode>): ...this.
+ (extzv): Split into...
+ (extzvmisalign<mode>, extzv<mode>): ...these new patterns. Rename
+ existing extzv<mode> pattern to...
+ (*extzv<mode>): ...this.
+ (insv): Split into...
+ (insvmisalign<mode>, insv<mode>): ...these new patterns. Rename
+ existing insv<mode> pattern to...
+ (*insv<mode>): ...this. Use const_int_operand rather than
+ immediate_operand.
+ * config/mips/mips.c (mips_block_move_straight): Use set_mem_size
+ to set the size of BLKmode accesses.
+ (mips_get_unaligned_mem): Require OP0 to be a BLKmode memory,
+ turning it from an "rtx *" to an rtx.
+ (mips_expand_ext_as_unaligned_load): Simplify for new optab
+ interface. Update call to mips_get_unaligned_mem.
+ (mips_expand_ins_as_unaligned_store): Update call to
+ mips_get_unaligned_mem.
+
+2012-11-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * Makefile.in (recog.o): Add insn-codes.h.
+ * expr.h (extraction_pattern): Move to optabs.h.
+ (mode_for_extraction): Delete.
+ * optabs.h (extraction_insn): New structure.
+ (extraction_pattern): Moved from expr.h.
+ (get_best_reg_extraction_insn, get_best_mem_extraction_insn): Declare.
+ * optabs.c (HAVE_insv, CODE_FOR_insv, HAVE_extv, CODE_FOR_extv)
+ (HAVE_extzv, CODE_FOR_extzv): Provide defaults.
+ (extraction_type): New enum.
+ (get_traditional_extraction_insn, get_extraction_insn)
+ (get_best_reg_extraction_insn, get_best_mem_extraction_insn):
+ New functions.
+ * combine.c (make_extraction): Use get_best_reg_extraction_insn
+ instead of mode_for_extraction.
+ * expmed.c (HAVE_insv, CODE_FOR_insv, gen_insv, HAVE_extv)
+ (CODE_FOR_extv, gen_extv, HAVE_extzv, CODE_FOR_extzv, gen_extzv):
+ Remove fallback definitions.
+ (mode_for_extraction): Delete.
+ (adjust_bit_field_mem_for_reg): New function.
+ (store_bit_field_using_insv): Replace OP_MODE parameter with
+ an extraction_insn. Pass struct_mode to narrow_bit_field_mem.
+ (extract_bit_field_using_extv): Likewise EXT_MODE.
+ (store_bit_field_1): Use get_best_reg_extraction_insn and
+ get_best_mem_extraction_insn instead of mode_for_extraction.
+ Use adjust_bit_field_mem_for_reg when forcing memory to a
+ register and doing a register insertion. Update calls to
+ store_bit_field_using_insv.
+ (extract_bit_field_1): Likewise extractions and calls to
+ extract_bit_field_using_extv.
+ (store_Bit_field): When narrowing to a bitregion, don't use the
+ insv mode as a limit.
+ * recog.c: (HAVE_extv, CODE_FOR_extv, HAVE_extzv, CODE_FOR_extzv):
+ Provide defaults.
+ (simplify_while_replacing): Use insn_data instead of
+ mode_for_extraction.
+
+2012-11-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
+ Set up a default value of bitregion_end_.
+ (bit_field_mode_iterator::next_mode): Always apply bitregion_end_
+ check. Include SLOW_UNALIGNED_ACCESS in the alignment check.
+ (get_best_mode): Ignore modes that are wider than the alignment.
+
+2012-11-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * machmode.h (bit_field_mode_iterator): New class.
+ (get_best_mode): Change final parameter to bool.
+ * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator)
+ (bit_field_mode_iterator::next_mode): New functions, split out from...
+ (get_best_mode): ...here. Change final parameter to bool.
+ Use bit_field_mode_iterator.
+
+2012-11-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expmed.c (narrow_bit_field_mem): New function.
+ (store_bit_field_using_insv, store_bit_field_1, store_fixed_bit_field)
+ (extract_bit_field_1): Use it.
+
+2012-11-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expr.h (adjust_address_1): Add a size parameter.
+ (adjust_address, adjust_address_nv, adjust_bitfield_address)
+ (adjust_bitfield_address_nv): Adjust accordingly.
+ (adjust_bitfield_address_size): Define.
+ * emit-rtl.c (adjust_address_1): Add a size parameter.
+ Use it to set the size if MODE has no size. Check whether
+ the size matches before returning the original memref.
+ Require the size to be known for adjust_object.
+ (adjust_automodify_address_1, widen_memory_access): Update calls
+ to adjust_address_1.
+
+2012-11-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * combine.c (make_extraction): Handle TRUNCATEd INNERs.
+
+2012-11-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expr.c (expand_assignment): Don't set MEM_KEEP_ALIAS_SET_P here.
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle DECL_BIT_FIELDs,
+ using their size instead of the COMPONENT_REF's.
+
+2012-11-17 Matthias Klose <doko@ubuntu.com>
+
+ * config/mips/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
+
+2012-11-17 Diego Novillo <dnovillo@google.com>
+
+ VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
+
+ * vec.c (register_overhead): Convert it into
+ member function of vec_prefix.
+ (release_overhead): Likewise.
+ (calculate_allocation): Likewise.
+ (vec_heap_free): Remove.
+ (vec_gc_o_reserve_1): Remove.
+ (vec_heap_o_reserve_1): Remove.
+ (vec_stack_o_reserve_1): Remove.
+ (vec_stack_o_reserve_exact): Remove.
+ (register_stack_vec): New.
+ (stack_vec_register_index): New.
+ (unregister_stack_vec): New.
+ (vec_assert_fail): Remove.
+ * vec.h: Conditionally include ggc.h. Document conditional hackery.
+ Update top-level documentation.
+ (ALONE_VEC_CHECK_INFO): Remove.
+ (VEC_CHECK_INFO): Remove.
+ (ALONE_VEC_CHECK_DECL): Remove.
+ (VEC_CHECK_DECL): Remove.
+ (ALONE_VEC_CHECK_PASS): Remove.
+ (VEC_CHECK_PASS): Remove.
+ (VEC_ASSERT): Remove.
+ (vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and va_stack.
+ Mark fields alloc_ and num_ as protected.
+ (struct vec_t): Remove. Remove all function members.
+ (struct vl_embed): Declare.
+ (struct vl_ptr): Declare.
+ (free): Remove.
+ (reserve_exact): Remove.
+ (reserve): Remove.
+ (safe_splice): Remove.
+ (safe_push): Remove.
+ (safe_grow): Remove.
+ (safe_grow_cleared): Remove.
+ (safe_insert): Remove.
+ (DEF_VEC_I): Remove.
+ (DEF_VEC_ALLOC_I): Remove.
+ (DEF_VEC_P): Remove.
+ (DEF_VEC_ALLOC_P): Remove.
+ (DEF_VEC_O): Remove.
+ (DEF_VEC_ALLOC_O): Remove.
+ (DEF_VEC_ALLOC_P_STACK): Remove.
+ (DEF_VEC_ALLOC_O_STACK): Remove.
+ (DEF_VEC_ALLOC_I_STACK): Remove.
+ (DEF_VEC_A): Remove.
+ (DEF_VEC_ALLOC_A): Remove.
+ (vec_stack_p_reserve_exact_1): Remove.
+ (vec_stack_o_reserve): Remove.
+ (vec_stack_o_reserve_exact): Remove.
+ (VEC_length): Remove.
+ (VEC_empty): Remove.
+ (VEC_address): Remove.
+ (vec_address): Remove.
+ (VEC_last): Remove.
+ (VEC_index): Remove.
+ (VEC_iterate): Remove.
+ (VEC_embedded_size): Remove.
+ (VEC_embedded_init): Remove.
+ (VEC_free): Remove.
+ (VEC_copy): Remove.
+ (VEC_space): Remove.
+ (VEC_reserve): Remove.
+ (VEC_reserve_exact): Remove.
+ (VEC_splice): Remove.
+ (VEC_safe_splice): Remove.
+ (VEC_quick_push): Remove.
+ (VEC_safe_push): Remove.
+ (VEC_pop): Remove.
+ (VEC_truncate): Remove.
+ (VEC_safe_grow): Remove.
+ (VEC_replace): Remove.
+ (VEC_quick_insert): Remove.
+ (VEC_safe_insert): Remove.
+ (VEC_ordered_remove): Remove.
+ (VEC_unordered_remove): Remove.
+ (VEC_block_remove): Remove.
+ (VEC_lower_bound): Remove.
+ (VEC_alloc): Remove.
+ (VEC_qsort): Remove.
+
+ (va_heap): Declare.
+ (va_heap::default_layout): New typedef to vl_ptr.
+ (va_heap::reserve): New.
+ (va_heap::release): New.
+ (va_gc): Declare.
+ (va_gc::default_layout): New typedef to vl_embed.
+ (va_gc::reserve): New.
+ (va_gc::release): New.
+ (va_gc_atomic): Declare. Inherit from va_gc.
+ (va_stack): Declare.
+ (va_stack::default_layout): New typedef to vl_ptr.
+ (va_stack::alloc): New.
+ (va_stack::reserve): New.
+ (va_stack::release): New.
+ (register_stack_vec): Declare.
+ (stack_vec_register_index): Declare.
+ (unregister_stack_vec): Declare.
+
+ (vec<T, A = va_heap, L = typename A::default_layout>): Declare
+ empty vec template.
+ (vec<T, A, vl_embed>): Partial specialization for embedded
+ layout.
+ (vec<T, A, vl_embed>::allocated): New.
+ (vec<T, A, vl_embed>::length): New.
+ (vec<T, A, vl_embed>::is_empty): New.
+ (vec<T, A, vl_embed>::address): New.
+ (vec<T, A, vl_embed>::operator[]): New.
+ (vec<T, A, vl_embed>::last New.
+ (vec<T, A, vl_embed>::space): New.
+ (vec<T, A, vl_embed>::iterate): New.
+ (vec<T, A, vl_embed>::iterate): New.
+ (vec<T, A, vl_embed>::copy): New.
+ (vec<T, A, vl_embed>::splice): New.
+ (vec<T, A, vl_embed>::quick_push New.
+ (vec<T, A, vl_embed>::pop New.
+ (vec<T, A, vl_embed>::truncate): New.
+ (vec<T, A, vl_embed>::quick_insert): New.
+ (vec<T, A, vl_embed>::ordered_remove): New.
+ (vec<T, A, vl_embed>::unordered_remove): New.
+ (vec<T, A, vl_embed>::block_remove): New.
+ (vec<T, A, vl_embed>::qsort): New.
+ (vec<T, A, vl_embed>::lower_bound): New.
+ (vec<T, A, vl_embed>::embedded_size): New.
+ (vec<T, A, vl_embed>::embedded_init): New.
+ (vec<T, A, vl_embed>::quick_grow): New.
+ (vec<T, A, vl_embed>::quick_grow_cleared): New.
+ (vec_safe_space): New.
+ (vec_safe_length): New.
+ (vec_safe_address): New.
+ (vec_safe_is_empty): New.
+ (vec_safe_reserve): New.
+ (vec_safe_reserve_exact): New.
+ (vec_alloc): New.
+ (vec_free): New.
+ (vec_safe_grow): New.
+ (vec_safe_grow_cleared): New.
+ (vec_safe_iterate): New.
+ (vec_safe_push): New.
+ (vec_safe_insert): New.
+ (vec_safe_truncate): New.
+ (vec_safe_copy): New.
+ (vec_safe_splice): New.
+
+ (vec<T, A, vl_ptr>): New partial specialization for the space
+ efficient layout.
+ (vec<T, A, vl_ptr>::exists): New.
+ (vec<T, A, vl_ptr>::is_empty): New.
+ (vec<T, A, vl_ptr>::length): New.
+ (vec<T, A, vl_ptr>::address): New.
+ (vec<T, A, vl_ptr>::operator[]): New.
+ (vec<T, A, vl_ptr>::operator!=): New.
+ (vec<T, A, vl_ptr>::operator==): New.
+ (vec<T, A, vl_ptr>::last): New.
+ (vec<T, A, vl_ptr>::space): New.
+ (vec<T, A, vl_ptr>::iterate): New.
+ (vec<T, A, vl_ptr>::copy): New.
+ (vec<T, A, vl_ptr>::reserve): New.
+ (vec<T, A, vl_ptr>::reserve_exact): New.
+ (vec<T, A, vl_ptr>::splice): New.
+ (vec<T, A, vl_ptr>::safe_splice): New.
+ (vec<T, A, vl_ptr>::quick_push): New.
+ (vec<T, A, vl_ptr>::safe_push): New.
+ (vec<T, A, vl_ptr>::pop): New.
+ (vec<T, A, vl_ptr>::truncate): New.
+ (vec<T, A, vl_ptr>::safe_grow): New.
+ (vec<T, A, vl_ptr>::safe_grow_cleared): New.
+ (vec<T, A, vl_ptr>::quick_grow): New.
+ (vec<T, A, vl_ptr>::quick_grow_cleared): New.
+ (vec<T, A, vl_ptr>::quick_insert): New.
+ (vec<T, A, vl_ptr>::safe_insert): New.
+ (vec<T, A, vl_ptr>::ordered_remove): New.
+ (vec<T, A, vl_ptr>::unordered_remove): New.
+ (vec<T, A, vl_ptr>::block_remove): New.
+ (vec<T, A, vl_ptr>::qsort): New.
+ (vec<T, A, vl_ptr>::lower_bound): New.
+ (vec_stack_alloc): Define.
+ (FOR_EACH_VEC_SAFE_ELT): Define.
+ * vecir.h: Remove. Update all users.
+ * vecprim.h: Remove. Update all users.
+ Move uchar to coretypes.h.
+
+ * Makefile.in (VEC_H): Add $(GGC_H).
+ Remove vecir.h and vecprim.h dependencies everywhere.
+
+2012-11-16 Diego Novillo <dnovillo@google.com>
+
+ * gengtype-lex.l (VEC): Remove.
+ Add characters in the set [\!\>\.-].
+ * gengtype-parse.c (token_names): Remove "VEC".
+ (require_template_declaration): Remove handling of VEC_TOKEN.
+ (type): Likewise.
+ Call create_user_defined_type when parsing GTY((user)).
+ * gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
+ (write_state_undefined_type): New.
+ (write_state_type): Call write_state_undefined_type for TYPE_UNDEFINED.
+ (read_state_type): Call read_state_undefined_type for TYPE_UNDEFINED.
+ * gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
+ (create_user_defined_type): Make extern.
+ (type_for_name): Factor out of resolve_typedef.
+ (create_undefined_type): New
+ (resolve_typedef): Call it when we cannot find a previous
+ typedef and the type is not a template.
+ (find_structure): Accept TYPE_UNDEFINED.
+ (set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
+ default to false.
+ Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
+ ALLOWED_UNDEFINED_TYPES is set.
+ Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
+ (filter_type_name): Accept templates with more than one argument.
+ (output_mangled_typename): Handle TYPE_UNDEFINED
+ (walk_type): Likewise.
+ (write_types_process_field): Likewise.
+ (write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
+ should not be a user-defined type.
+ (write_types_local_user_process_field): Handle TYPE_ARRAY,
+ TYPE_NONE and TYPE_UNDEFINED.
+ (write_types_local_process_field): Likewise.
+ (contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
+ (write_root): Reject user-defined types that are not pointers.
+ Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
+ and TYPE_PARAM_STRUCT.
+ (output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and TYPE_ARRAY.
+ (dump_typekind): Handle TYPE_UNDEFINED.
+ * gengtype.h (enum typekind): Add TYPE_UNDEFINED.
+ (create_user_defined_type): Declare.
+ (enum gty_token): Remove VEC_TOKEN.
+
+2012-11-16 Diego Novillo <dnovillo@google.com>
+
+ Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
+
+ * coretypes.h (uchar): Define.
+ * alias.c: Use new vec API in vec.h.
+ * asan.c: Likewise.
+ * attribs.c: Likewise.
+ * basic-block.h: Likewise.
+ * bb-reorder.c: Likewise.
+ * builtins.c: Likewise.
+ * calls.c: Likewise.
+ * cfg.c: Likewise.
+ * cfganal.c: Likewise.
+ * cfgcleanup.c: Likewise.
+ * cfgexpand.c: Likewise.
+ * cfghooks.c: Likewise.
+ * cfghooks.h: Likewise.
+ * cfgloop.c: Likewise.
+ * cfgloop.h: Likewise.
+ * cfgloopanal.c: Likewise.
+ * cfgloopmanip.c: Likewise.
+ * cfgrtl.c: Likewise.
+ * cgraph.c: Likewise.
+ * cgraph.h: Likewise.
+ * cgraphclones.c: Likewise.
+ * cgraphunit.c: Likewise.
+ * combine.c: Likewise.
+ * compare-elim.c: Likewise.
+ * coverage.c: Likewise.
+ * cprop.c: Likewise.
+ * data-streamer.h: Likewise.
+ * dbxout.c: Likewise.
+ * dce.c: Likewise.
+ * df-core.c: Likewise.
+ * df-problems.c: Likewise.
+ * df-scan.c: Likewise.
+ * dominance.c: Likewise.
+ * domwalk.c: Likewise.
+ * domwalk.h: Likewise.
+ * dse.c: Likewise.
+ * dwarf2cfi.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * dwarf2out.h: Likewise.
+ * emit-rtl.c: Likewise.
+ * except.c: Likewise.
+ * except.h: Likewise.
+ * expr.c: Likewise.
+ * expr.h: Likewise.
+ * final.c: Likewise.
+ * fold-const.c: Likewise.
+ * function.c: Likewise.
+ * function.h: Likewise.
+ * fwprop.c: Likewise.
+ * gcc.c: Likewise.
+ * gcse.c: Likewise.
+ * genattr.c: Likewise.
+ * genattrtab.c: Likewise.
+ * genautomata.c: Likewise.
+ * genextract.c: Likewise.
+ * genopinit.c: Likewise
+ * ggc-common.c: Likewise.
+ * ggc.h: Likewise.
+ * gimple-low.c: Likewise.
+ * gimple-ssa-strength-reduction.c: Likewise.
+ * gimple-streamer-in.c: Likewise.
+ * gimple.c: Likewise.
+ * gimple.h: Likewise.
+ * gimplify.c: Likewise.
+ * graph.c: Likewise.
+ * graphds.c: Likewise.
+ * graphds.h: Likewise.
+ * graphite-blocking.c: Likewise.
+ * graphite-clast-to-gimple.c: Likewise.
+ * graphite-dependences.c: Likewise.
+ * graphite-interchange.c: Likewise.
+ * graphite-optimize-isl.c: Likewise.
+ * graphite-poly.c: Likewise.
+ * graphite-poly.h: Likewise.
+ * graphite-scop-detection.c: Likewise.
+ * graphite-scop-detection.h: Likewise.
+ * graphite-sese-to-poly.c: Likewise.
+ * graphite.c: Likewise.
+ * godump.c: Likewise.
+ * haifa-sched.c: Likewise.
+ * hw-doloop.c: Likewise.
+ * hw-doloop.h: Likewise.
+ * ifcvt.c: Likewise.
+ * insn-addr.h: Likewise.
+ * ipa-cp.c: Likewise.
+ * ipa-inline-analysis.c: Likewise.
+ * ipa-inline-transform.c: Likewise.
+ * ipa-inline.c: Likewise.
+ * ipa-inline.h: Likewise.
+ * ipa-prop.c: Likewise.
+ * ipa-prop.h: Likewise.
+ * ipa-pure-const.c: Likewise.
+ * ipa-ref-inline.h: Likewise.
+ * ipa-ref.c: Likewise.
+ * ipa-ref.h: Likewise.
+ * ipa-reference.c: Likewise.
+ * ipa-split.c: Likewise.
+ * ipa-utils.c: Likewise.
+ * ipa-utils.h: Likewise.
+ * ipa.c: Likewise.
+ * ira-build.c: Likewise.
+ * ira-color.c: Likewise.
+ * ira-emit.c: Likewise.
+ * ira-int.h: Likewise.
+ * ira.c: Likewise.
+ * loop-invariant.c: Likewise.
+ * loop-unroll.c: Likewise.
+ * lower-subreg.c: Likewise.
+ * lra-lives.c: Likewise.
+ * lra.c: Likewise.
+ * lto-cgraph.c: Likewise.
+ * lto-section-out.c: Likewise.
+ * lto-streamer-in.c: Likewise.
+ * lto-streamer-out.c: Likewise.
+ * lto-streamer.h: Likewise.
+ * lto-symtab.c: Likewise.
+ * mcf.c: Likewise.
+ * modulo-sched.c: Likewise.
+ * omp-low.c: Likewise.
+ * opts-common.c: Likewise.
+ * opts-global.c: Likewise.
+ * opts.c: Likewise.
+ * opts.h: Likewise.
+ * passes.c: Likewise.
+ * predict.c: Likewise.
+ * print-tree.c: Likewise.
+ * profile.c: Likewise.
+ * profile.h: Likewise.
+ * read-rtl.c: Likewise.
+ * ree.c: Likewise.
+ * reg-stack.c: Likewise.
+ * regrename.c: Likewise.
+ * regrename.h: Likewise.
+ * reload.c: Likewise.
+ * reload.h: Likewise.
+ * reload1.c: Likewise.
+ * rtl.h: Likewise.
+ * sched-deps.c: Likewise.
+ * sched-int.h: Likewise.
+ * sdbout.c: Likewise.
+ * sel-sched-dump.c: Likewise.
+ * sel-sched-ir.c: Likewise.
+ * sel-sched-ir.h: Likewise.
+ * sel-sched.c: Likewise.
+ * sese.c: Likewise.
+ * sese.h: Likewise.
+ * statistics.h: Likewise.
+ * stmt.c: Likewise.
+ * stor-layout.c: Likewise.
+ * store-motion.c: Likewise.
+ * tlink.c: Likewise.
+ * toplev.c: Likewise.
+ * trans-mem.c: Likewise.
+ * tree-browser.c: Likewise.
+ * tree-call-cdce.c: Likewise.
+ * tree-cfg.c: Likewise.
+ * tree-cfgcleanup.c: Likewise.
+ * tree-chrec.c: Likewise.
+ * tree-chrec.h: Likewise.
+ * tree-complex.c: Likewise.
+ * tree-data-ref.c: Likewise.
+ * tree-data-ref.h: Likewise.
+ * tree-dfa.c: Likewise.
+ * tree-diagnostic.c: Likewise.
+ * tree-dump.c: Likewise.
+ * tree-eh.c: Likewise.
+ * tree-emutls.c: Likewise.
+ * tree-flow.h: Likewise.
+ * tree-if-conv.c: Likewise.
+ * tree-inline.c: Likewise.
+ * tree-inline.h: Likewise.
+ * tree-into-ssa.c: Likewise.
+ * tree-iterator.c: Likewise.
+ * tree-loop-distribution.c: Likewise.
+ * tree-mudflap.c: Likewise.
+ * tree-optimize.c: Likewise.
+ * tree-outof-ssa.c: Likewise.
+ * tree-parloops.c: Likewise.
+ * tree-phinodes.c: Likewise.
+ * tree-predcom.c: Likewise.
+ * tree-pretty-print.c: Likewise.
+ * tree-scalar-evolution.c: Likewise.
+ * tree-sra.c: Likewise.
+ * tree-ssa-address.c: Likewise.
+ * tree-ssa-alias.c: Likewise.
+ * tree-ssa-ccp.c: Likewise.
+ * tree-ssa-coalesce.c: Likewise.
+ * tree-ssa-dce.c: Likewise.
+ * tree-ssa-dom.c: Likewise.
+ * tree-ssa-forwprop.c: Likewise.
+ * tree-ssa-live.c: Likewise.
+ * tree-ssa-live.h: Likewise.
+ * tree-ssa-loop-im.c: Likewise.
+ * tree-ssa-loop-ivcanon.c: Likewise.
+ * tree-ssa-loop-ivopts.c: Likewise.
+ * tree-ssa-loop-manip.c: Likewise.
+ * tree-ssa-loop-niter.c: Likewise.
+ * tree-ssa-loop-prefetch.c: Likewise.
+ * tree-ssa-math-opts.c: Likewise.
+ * tree-ssa-operands.c: Likewise.
+ * tree-ssa-phiopt.c: Likewise.
+ * tree-ssa-phiprop.c: Likewise.
+ * tree-ssa-pre.c: Likewise.
+ * tree-ssa-propagate.c: Likewise.
+ * tree-ssa-reassoc.c: Likewise.
+ * tree-ssa-sccvn.c: Likewise.
+ * tree-ssa-sccvn.h: Likewise.
+ * tree-ssa-strlen.c: Likewise.
+ * tree-ssa-structalias.c: Likewise.
+ * tree-ssa-tail-merge.c: Likewise.
+ * tree-ssa-threadedge.c: Likewise.
+ * tree-ssa-threadupdate.c: Likewise.
+ * tree-ssa-uncprop.c: Likewise.
+ * tree-ssa-uninit.c: Likewise.
+ * tree-ssa.c: Likewise.
+ * tree-ssanames.c: Likewise.
+ * tree-stdarg.c: Likewise.
+ * tree-streamer-in.c: Likewise.
+ * tree-streamer-out.c: Likewise.
+ * tree-streamer.c: Likewise.
+ * tree-streamer.h: Likewise.
+ * tree-switch-conversion.c: Likewise.
+ * tree-vect-data-refs.c: Likewise.
+ * tree-vect-generic.c: Likewise.
+ * tree-vect-loop-manip.c: Likewise.
+ * tree-vect-loop.c: Likewise.
+ * tree-vect-patterns.c: Likewise.
+ * tree-vect-slp.c: Likewise.
+ * tree-vect-stmts.c: Likewise.
+ * tree-vectorizer.c: Likewise.
+ * tree-vectorizer.h: Likewise.
+ * tree-vrp.c: Likewise.
+ * tree.c: Likewise.
+ * tree.h: Likewise.
+ * value-prof.c: Likewise.
+ * value-prof.h: Likewise.
+ * var-tracking.c: Likewise.
+ * varasm.c: Likewise.
+ * varpool.c: Likewise.
+ * vmsdbgout.c: Likewise.
+ * config/bfin/bfin.c: Likewise.
+ * config/c6x/c6x.c: Likewise.
+ * config/darwin.c: Likewise.
+ * config/i386/i386.c: Likewise.
+ * config/ia64/ia64.c: Likewise.
+ * config/mep/mep.c: Likewise.
+ * config/mips/mips.c: Likewise.
+ * config/pa/pa.c: Likewise.
+ * config/rs6000/rs6000-c.c: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+ * config/rx/rx.c: Likewise.
+ * config/spu/spu-c.c: Likewise.
+ * config/vms/vms.c: Likewise.
+ * config/vxworks.c: Likewise.
+ * config/epiphany/resolve-sw-modes.c: Likewise.
+
+2012-11-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/55236
+ * fold-const.c (make_range_step) <case NEGATE_EXPR>: For -fwrapv
+ and signed ARG0_TYPE, force low and high to be non-NULL.
+
+2012-11-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ * common.opt (static-libasan): New option.
+ * gcc.c (LIBASAN_SPEC): New macro.
+ (LINK_COMMAND_SPEC): Replace -lasan with LIBASAN_SPEC.
+ * doc/invoke.texi: Document -static-libasan.
+
+2012-11-17 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55342
+ * lra-assigns.c (spill_for): Try to allocate other reload pseudos
+ before and after spilling.
+
+2012-11-16 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/extend.texi: Various copy-edits to comply with GCC coding
+ standards for spelling, terminology, and markup, including use of
+ American spelling, correct use of terms like "back end" and
+ "run time", use correct name for GCC, use "@:" markup.
+
+2012-11-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/55329
+ * tree-ssa-dom.c (tree_ssa_dominator_optimize): Never clear
+ bits in needed_eh_cleanup while iterating over the bitmap.
+ Look through all forwarder blocks at once.
+
+2012-11-16 Jan Hubicka <jh@suse.cz>
+
+ * params.def (max-peeled-insns, max-completely-peeled-insns): Reduce
+ to 100.
+
+2012-11-16 Simon Baldwin <simonb@google.com>
+
+ * doc/cppopts.texi: Document -f[no-]canonical-system-headers.
+ * doc/install.texi: Document --enable-canonical-system-headers.
+
+2012-11-16 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55330
+ * lra-constraints.c (MAX_INHERITANCE_PASSES): New macro.
+ (lra_inheritance, lra_undo_inheritance): Use it to limit number of
+ the passes.
+
+2012-11-16 Matthias Klose <doko@ubuntu.com>
+
+ * config/pa/t-linux: New file; define MULTIARCH_DIRNAME.
+ * config.gcc <hppa*64*-*-linux*, hppa*-*-linux*> (tmake_file):
+ Include pa/t-linux.
+
+2012-11-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/54073
+ * config/i386/i386.md (mov<mode>cc): Use comparison_operator
+ instead of ordered_comparison_operator resp.
+ ix86_fp_comparison_operator predicates.
+ * config/i386/i386.c (ix86_expand_fp_movcc): Reject TImode
+ or for -m32 DImode comparisons.
+
+2012-11-16 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/54717
+ * tree-ssa-pre.c (do_partial_partial_insertion): Consider also edges
+ with ANTIC_IN.
+
+2012-11-16 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386-protos.h (ix86_emit_mode_set): Add third argument.
+ * config/i386/i386.h (EMIT_MODE_SET): Update.
+ * config/i386/i386.c (ix86_avx_emit_vzeroupper): New function.
+ (ix86_emit_mode_set) <AVX_U128>: Call ix86_avx_emit_vzeroupper.
+
+2012-11-16 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
+
+ bdver3 Enablement
+ * doc/extend.texi: Add details about bdver3.
+ * doc/invoke.texi: Add details about bdver3.
+ * config.gcc (i[34567]86-*-linux* | ...): Add bdver3.
+ (case ${target}): Add bdver3.
+ * config/i386/i386.h (TARGET_BDVER3): New definition.
+ * config/i386/i386.md (define_attr "cpu"): Add bdver3.
+ * config/i386/sse.md (sseshuf, sseshuf1): New type attributes.
+ * config/i386/athlon.md: Handle sseshuf attribute.
+ * config/i386/atom.md: Likewise.
+ * config/i386/ppro.md: Likewise.
+ * config/i386/bdver1.md: Likewise.
+ * config/i386/i386.opt (flag_dispatch_scheduler): Add bdver3.
+ * config/i386/i386-c.c (ix86_target_macros_internal): Add
+ bdver3 def_and_undef
+ * config/i386/driver-i386.c (host_detect_local_cpu): Let
+ -march=native recognize bdver3 processors.
+ * config/i386/i386.c (struct processor_costs bdver3_cost): New.
+ (m_BDVER3): New definition.
+ (m_AMD_MULTIPLE): Includes m_BDVER3.
+ (initial_ix86_tune_features): Add bdver3 tune.
+ (processor_target_table): Add bdver3 entry.
+ (static const char *const cpu_names): Add bdver3 entry.
+ (software_prefetching_beneficial_p): Add bdver3.
+ (ix86_option_override_internal): Add bdver3 instruction sets.
+ (ix86_option_override_internal): Remove XSAVEOPT for bdver1 and bdver2.
+ (ix86_issue_rate): Add bdver3.
+ (ix86_adjust_cost): Add bdver3.
+ (enum target_cpu_default): Add TARGET_CPU_DEFAULT_bdver3.
+ (enum processor_type): Add PROCESSOR_BDVER3.
+ * config/i386/bdver3.md: New file describing bdver3 pipelines.
+
+2012-11-15 David S. Miller <davem@davemloft.net>
+
+ * expmed.c (expand_shift_1): Don't strip non-integral SUBREGs.
+
+ * configure.ac: Add check for assembler SPARC4 instruction support.
+ * configure: Rebuild.
+ * config.in: Add HAVE_AS_SPARC4 section.
+ * config/sparc/sparc.opt (mcbcond): New option.
+ * doc/invoke.texi: Document it.
+ * config/sparc/constraints.md: New constraint 'A' for 5-bit signed
+ immediates.
+ * doc/md.texi: Document it.
+ * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_CBCOND.
+ (sparc_option_override): Likewise.
+ (emit_cbcond_insn): New function.
+ (emit_conditional_branch_insn): Call it.
+ (emit_cbcond_nop): New function.
+ (output_ubranch): Use cbcond, remove label arg.
+ (output_cbcond): New function.
+ * config/sparc/sparc-protos.h (output_ubranch): Update.
+ (output_cbcond): Declare it.
+ (emit_cbcond_nop): Likewise.
+ * config/sparc/sparc.md (type attribute): New types 'cbcond'
+ and uncond_cbcond.
+ (emit_cbcond_nop): New attribute.
+ (length attribute): Handle cbcond and uncond_cbcond.
+ (in_call_delay attribute): Reject cbcond and uncond_cbcond.
+ (in_branch_delay attribute): Likewise.
+ (in_uncond_branch_delay attribute): Likewise.
+ (in_annul_branch_delay attribute): Likewise.
+ (*cbcond_sp32, *cbcond_sp64): New insn patterns.
+ (jump): Rewrite into an expander.
+ (*jump_ubranch, *jump_cbcond): New patterns.
+ * config/sparc/niagara4.md: Match 'cbcond' in 'n4_cti'.
+ * config/sparc/sparc.h (AS_NIAGARA4_FLAG): New macro, use it
+ when target default is niagara4.
+ (SPARC_SIMM5_P): Define.
+ * config/sparc/sol2.h (AS_SPARC64_FLAG): Adjust.
+ (AS_SPARC32_FLAG): Define.
+ (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Use
+ AS_NIAGARA4_FLAG as needed.
+
+2012-11-15 Steve Ellcey <sellcey@mips.com>
+
+ * expr.c (expand_cond_expr_using_cmove): Use promoted mode for temp.
+
+2012-11-15 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/54619
+ * tree-ssa-loop-ivopts.c (get_use_type): New function.
+ (get_computation_at): Use get_use_type.
+ (get_computation_cost_at): Declare and set mem_mode. Use mem_mode.
+
+2012-11-15 Jakub Jelinek <jakub@redhat.com>
+
+ * asan.c (report_error_func): Set DECL_IGNORED_P, don't touch
+ DECL_ASSEMBLER_NAME.
+ (asan_init_func): Likewise.
+ (asan_finish_file): Use void * instead of __asan_global * as type of
+ __asan_{,un}register_globals. Set DECL_IGNORED_P on the decls.
+
+2012-11-15 Matthias Klose <doko@ubuntu.com>
+
+ * Makefile.in (if_multiarch): Don't use a GNU make 3.81 feature.
+
+2012-11-14 Jan Hubicka <jh@suse.cz>
+
+ PR bootstrap/55051
+ * gcov-io.c (gcov_read_summary): Fix array bound check.
+
+2012-11-14 Sterling Augustine <saugustine@google.com>
+
+ PR debug/55328
+ * dwarf2out.c (index_address_table_entry): Check a node's refcount.
+
+2012-11-14 Jan Hubicka <jh@suse.cz>
+
+ PR bootstrap/55051
+ * ipa-inline.c (edge_badness): Improve dumping; fix overflow.
+
+2012-11-14 Matthias Klose <doko@ubuntu.com>
+
+ * config/sparc/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
+ * config/sparc/t-linux: New file; define MULTIARCH_DIRNAME.
+ * config.gcc <sparc-*-linux*> (tmake_file): Include sparc/t-linux
+ for 32bit non-biarch configurations.
+
+2012-11-14 Matthias Klose <doko@ubuntu.com>
+
+ * doc/invoke.texi: Document -print-multiarch.
+ * doc/install.texi: Document --enable-multiarch.
+ * doc/fragments.texi: Document MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME.
+ * configure.ac: Add --enable-multiarch option.
+ * configure: Regenerate.
+ * Makefile.in (s-mlib): Pass MULTIARCH_DIRNAME to genmultilib.
+ enable_multiarch, with_float: New macros.
+ if_multiarch: New macro, define in terms of enable_multiarch.
+ * genmultilib: Add new argument for the multiarch name.
+ * gcc.c (multiarch_dir): Define.
+ (for_each_path): Search for multiarch suffixes.
+ (driver_handle_option): Handle multiarch option.
+ (do_spec_1): Pass -imultiarch if defined.
+ (main): Print multiarch.
+ (set_multilib_dir): Separate multilib and multiarch names
+ from multilib_select.
+ (print_multilib_info): Ignore multiarch names in multilib_select.
+ * incpath.c (add_standard_paths): Search the multiarch include dirs.
+ * cppdefault.h (default_include): Document multiarch in multilib
+ member.
+ * cppdefault.c: [LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR] Add an
+ include directory for multiarch directories.
+ * common.opt: New options --print-multiarch and -imultilib.
+ * config.gcc <i[34567]86-*-linux* | x86_64-*-linux*> (tmake_file):
+ Include i386/t-linux.
+ <i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu> (tmake_file):
+ Include i386/t-kfreebsd.
+ <i[34567]86-*-gnu*> (tmake_file): Include i386/t-gnu.
+ * config/i386/t-linux64: Add multiarch names in
+ MULTILIB_OSDIRNAMES, define MULTIARCH_DIRNAME.
+ * config/i386/t-gnu: New file.
+ * config/i386/t-kfreebsd: Likewise.
+ * config/i386/t-linux: Likewise.
+
+2012-11-14 Jan Hubicka <jh@suse.cz>
+
+ * tree.c (set_call_expr_flags): New function.
+ (local_define_builtin): Use it.
+ * tree.h (set_call_expr_flags): Declare.
+
+2012-11-14 Uros Bizjak <ubizjak@gmail.com>
+ Vladimir Yakovlev <vladimir.b.yakovlev@intel.com>
+
+ PR target/47440
+ * config/i386/i386.c (gate_insert_vzeroupper): New function.
+ (rest_of_handle_insert_vzeroupper): Ditto.
+ (struct rtl_opt_pass pass_insert_vzeroupper): New.
+ (ix86_option_override): Register vzeroupper insertion pass here.
+ (ix86_check_avx256_register): Handle SUBREGs properly.
+ (ix86_init_machine_status): Remove optimize_mode_switching[AVX_U128]
+ initialization.
+
+2012-11-14 David Edelsohn <dje.gcc@gmail.com>
+
+ * configure.ac (HAVE_LD_LARGE_TOC): Add AIX test.
+ * configure: Regenerated.
+ * config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Warn if
+ other toc options used with cmodel. Disable TARGET_NO_FP_IN_TOC
+ and TARGET_NO_SUM_IN_TOC if not CMODEL_SMALL. CMODEL_MEDIUM means
+ CMODEL_LARGE on AIX.
+ (ASM_SPEC): -mvsx implies -mpwr6. Add -many.
+ (ASM_DEFAULT_SPEC): Use -mpwr4.
+ (TARGET_CMODEL): Define.
+ (SET_CMODEL): Define.
+ * config/rs6000/rs6000.md (largetoc_high_aix<mode>): New.
+ (largetoc_high_plus_aix<mode>): New.
+ (largetoc_low<mode>): Change to mode iterator. Test TARGET_TOC
+ instead of TARGET_ELF.
+ (tocref): Remove TARGET_ELF test.
+ * config/rs6000/rs6000.c (output_toc): Use [TE] for large TOC
+ symbols on AIX.
+ * config/rs6000/aix64.opt (mcmodel): New.
+
+2012-11-14 Andreas Tobler <andreast@fgznet.ch>
+
+ * config/i386/i386.c (ix86_get_function_versions_dispatcher): Guard
+ variables with ASM_OUTPUT_TYPE_DIRECTIVE and
+ HAVE_GNU_INDIRECT_FUNCTION where needed.
+
+2012-11-13 Ian Lance Taylor <iant@google.com>
+
+ * common.opt (fPIC, fPIE, fpic, fpie): Create a Negative loop such
+ that any of these options disables the others.
+
+2012-11-13 Sriraman Tallam <tmsriram@google.com>
+
+ * cgraph.c (insert_new_cgraph_node_version): Use cgraph_get_node
+ instead of cgraph_get_create_node.
+ * config/i386/i386.c (ix86_get_function_versions_dispatcher): Move
+ ifunc not supported code to the end.
+
+2012-11-13 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/55253
+ * ipa-cp.c (merge_aggregate_lattices): Propagate aggs_contain_variable
+ flag.
+
+2012-11-13 Eric Botcazou <ebotcazou@adacore.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/55142
+ * config/i386/i386.c (legitimize_pic_address): Properly handle
+ REG + CONST.
+ (ix86_print_operand_address): Set code to 'k' when forcing
+ addr32 prefix. For x32, zero-extend negative displacement if
+ it < -16*1024*1024.
+
+2012-11-13 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/41993
+ * mode-switching.c (create_pre_exit): Set return_copy to last_insn if
+ copy_start is not a function return regno. Skip debug instructions
+ in instruction scan loop.
+
+2012-11-13 Andrew Stubbs <ams@codesourcery.com>
+ Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * config/arm/arm.c (arm_emit_coreregs_64bit_shift): Fix comment.
+ * config/arm/arm.md (opt, opt_enabled): New attributes.
+ (enabled): Use opt_enabled.
+ (ashldi3, ashrdi3, lshrdi3): Add TARGET_NEON case.
+ (ashldi3): Allow general operands for TARGET_NEON case.
+ * config/arm/iterators.md (rshifts): New code iterator.
+ (shift, shifttype): New code attributes.
+ * config/arm/neon.md (UNSPEC_LOAD_COUNT): New unspec type.
+ (neon_load_count, ashldi3_neon_noclobber, ashldi3_neon,
+ signed_shift_di3_neon, unsigned_shift_di3_neon,
+ ashrdi3_neon_imm_noclobber, lshrdi3_neon_imm_noclobber,
+ <shift>di3_neon): New patterns.
+
+2012-11-13 Jakub Jelinek <jakub@redhat.com>
+
+ * Makefile.in (asan.o): Depend on $(TM_P_H).
+
+ PR tree-optimization/55281
+ * tree-vect-generic.c (expand_vector_condition): Accept any
+ is_gimple_val rather than just SSA_NAME if not COMPARISON_CLASS_P.
+ * fold-const.c (fold_ternary_loc): Fold VEC_COND_EXPR if arg0 is
+ either integer_all_onesp or integer_zerop.
+ * tree-vect-stmts.c (vectorizable_condition): Build the condition
+ using corresponding vector integer type instead of vectype.
+
+ PR rtl-optimization/54127
+ * cfgrtl.c (force_nonfallthru_and_redirect): When redirecting
+ asm goto labels from BB_HEAD (e->dest) to target bb, decrement
+ LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of
+ BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or
+ REG_LABEL_TARGET and REG_LABEL_OPERAND.
+
+2012-11-12 Jakub Jelinek <jakub@redhat.com>
+
+ * asan.c (instrument_builtin_call) <case BUILT_IN_BCOPY>: Fix up
+ dest assignment.
+
+2012-11-13 Hans-Peter Nilsson <hp@axis.com>
+
+ PR target/55257
+ * config/cris/cris.c (cris_asm_output_mi_thunk): Call
+ final_start_function and final_end_function.
+
+2012-11-12 David Edelsohn <dje.gcc@gmail.com>
+
+ * asan.c: Include tm_p.h.
+
+2012-11-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/55195
+ * config/pa/pa.md (attr type): Add sibcall and sh_func_adrs insn types.
+ (in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
+ (in_nullified_branch_delay): Likewise.
+ (in_call_delay): Likewise.
+ Define delay for sibcall insns. Adjust Z3 and Z4 insn reservations for
+ new types. Add opaque cond to mark all calls, sibcalls, dyncalls and
+ the $$sh_func_adrs call as variable. Update type of sibcalls and
+ $$sh_func_adrs call.
+ * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
+ length instead of adjustment. Handle negative and undefined call
+ adjustments for insn_default_length. Remove adjustment for millicode
+ insn with unfilled delay slot.
+ (pa_output_millicode_call): Update for revised millicode length.
+ * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.
+
+2012-11-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-ccp.c (dump_lattice_value) <CONSTANT>: Fix duplication.
+
+2012-11-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * common.opt (fvar-tracking-uninit): Document.
+ * toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
+ * config/darwin.c (darwin_override_options): Likewise.
+
+2012-11-12 Steven Bosscher <steven@gcc.gnu.org>
+
+ * sched-vis.c (print_pattern): Handle NULL patterns.
+
+2012-11-12 Steven Bosscher <steven@gcc.gnu.org>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/51447
+ * df-scan.c (df_get_entry_block_def_set): Add global regs to the set.
+ * df-problems.c (df_lr_local_compute): Make global regs always live.
+ * dce.c (deletable_insn_p): Make insns setting a global reg
+ inherently necessary.
+
+2012-11-12 Ian Bolton <ian.bolton@arm.com>
+
+ * config/aarch64/aarch64.md (cmov<mode>_insn): Emit CSINC when
+ one of the alternatives is constant 1.
+ * config/aarch64/constraints.md: New constraint.
+ * config/aarch64/predicates.md: Rename predicate
+ aarch64_reg_zero_or_m1 to aarch64_reg_zero_or_m1_or_1.
+
+2012-11-12 Ian Bolton <ian.bolton@arm.com>
+
+ * config/aarch64/aarch64.md (*compare_neg<mode>): New pattern.
+
+2012-11-12 Tobias Burnus <burnus@net-b.de>
+
+ * doc/invoke.texi: Move -faddress-sanitizer from Optimization
+ Options to Debugging Options.
+
+2012-11-12 Jakub Jelinek <jakub@redhat.com>
+
+ * asan.c: Formatting cleanups.
+
+2012-11-12 Wei Mi <wmi@google.com>
+
+ * gcc.c (LINK_COMMAND_SPEC): Add -lasan to link command if
+ -faddress-sanitizer is on.
+
+2012-11-12 Dodji Seketeli <dodji@redhat.com>
+
+ * gimple.h (is_gimple_builtin_call): Declare ...
+ * gimple.c (is_gimple_builtin_call): ... new public function.
+ * asan.c (insert_if_then_before_iter, instrument_mem_region_access,
+ instrument_strlen_call, maybe_instrument_builtin_call,
+ instrument_call): New static functions.
+ (create_cond_insert_point): Renamed
+ create_cond_insert_point_before_iter into this. Add a new
+ parameter to decide whether to insert the condition before or
+ after the statement iterator.
+ (build_check_stmt): Adjust for the new create_cond_insert_point.
+ Add a new parameter to decide whether to add the instrumentation
+ code before or after the statement iterator.
+ (instrument_assignment): Factorize from ...
+ (transform_statements): ... here. Use maybe_instrument_call to
+ instrument builtin function calls as well.
+ (instrument_derefs): Adjust for the new parameter of
+ build_check_stmt. Fix detection of bit-field access.
+
+2012-11-12 Dodji Seketeli <dodji@redhat.com>
+
+ * asan.c (create_cond_insert_point_before_iter): Factorize out of ...
+ (build_check_stmt): ... here.
+
+2012-11-12 Dodji Seketeli <dodji@redhat.com>
+
+ * asan.c (create_cond_insert_point_before_iter): Factorize out of ...
+ (build_check_stmt): ... here.
+
+2012-11-12 Dodji Seketeli <dodji@redhat.com>
+
+ * asan.c (build_check_stmt): Accept the memory access to be
+ represented by an SSA_NAME.
+
+2012-11-12 Jakub Jelinek <jakub@redhat.com>
+ Wei Mi <wmi@google.com>
+
+ * varasm.c: Include asan.h.
+ (assemble_noswitch_variable): Grow size by asan_red_zone_size
+ if decl is asan protected.
+ (place_block_symbol): Likewise.
+ (assemble_variable): If decl is asan protected, increase
+ DECL_ALIGN if needed, and for decls emitted using
+ assemble_variable_contents append padding zeros after it.
+ * Makefile.in (varasm.o): Depend on asan.h.
+ * asan.c: Include output.h.
+ (asan_pp, asan_pp_initialized, asan_ctor_statements): New variables.
+ (asan_pp_initialize, asan_pp_string): New functions.
+ (asan_emit_stack_protection): Use asan_pp{,_initialized}
+ instead of local pp{,_initialized} vars, use asan_pp_initialize
+ and asan_pp_string helpers.
+ (asan_needs_local_alias, asan_protect_global,
+ asan_global_struct, asan_add_global): New functions.
+ (asan_finish_file): Protect global vars that can be protected. Use
+ asan_ctor_statements instead of ctor_statements
+ * asan.h (asan_protect_global): New prototype.
+ (asan_red_zone_size): New inline function.
+
+2012-11-12 Jakub Jelinek <jakub@redhat.com>
+
+ * Makefile.in (asan.o): Depend on $(EXPR_H) $(OPTABS_H).
+ (cfgexpand.o): Depend on asan.h.
+ * asan.c: Include expr.h and optabs.h.
+ (asan_shadow_set): New variable.
+ (asan_shadow_cst, asan_emit_stack_protection): New functions.
+ (asan_init_shadow_ptr_types): Initialize also asan_shadow_set.
+ * cfgexpand.c: Include asan.h. Define HOST_WIDE_INT heap vector.
+ (partition_stack_vars): If i is large alignment and j small
+ alignment or vice versa, break out of the loop instead of continue,
+ and put the test earlier. If flag_asan, break out of the loop
+ if for small alignment size is different.
+ (struct stack_vars_data): New type.
+ (expand_stack_vars): Add DATA argument. Change PRED type to
+ function taking size_t argument instead of tree. Adjust pred
+ calls. Fill DATA in and add needed padding in between variables
+ if -faddress-sanitizer.
+ (defer_stack_allocation): Defer everything for flag_asan.
+ (stack_protect_decl_phase_1, stack_protect_decl_phase_2): Take
+ size_t index into stack_vars array instead of the decl directly.
+ (asan_decl_phase_3): New function.
+ (expand_used_vars): Return var destruction sequence. Adjust
+ expand_stack_vars calls, add another one for flag_asan. Call
+ asan_emit_stack_protection if expand_stack_vars added anything
+ to the vectors.
+ (expand_gimple_basic_block): Add disable_tail_calls argument.
+ (gimple_expand_cfg): Pass true to it if expand_used_vars returned
+ non-NULL. Emit the sequence returned by expand_used_vars after
+ return_label.
+ * asan.h (asan_emit_stack_protection): New prototype.
+ (asan_shadow_set): New decl.
+ (ASAN_RED_ZONE_SIZE, ASAN_STACK_MAGIC_LEFT, ASAN_STACK_MAGIC_MIDDLE,
+ ASAN_STACK_MAGIC_RIGHT, ASAN_STACK_FRAME_MAGIC): Define.
+ (asan_protect_stack_decl): New inline.
+ * toplev.c (process_options): Also disable -faddress-sanitizer on
+ !FRAME_GROWS_DOWNWARDS targets.
+
+2012-11-12 Jakub Jelinek <jakub@redhat.com>
+
+ * asan.c (build_check_stmt): Rename join_bb variable to else_bb.
+ (gate_asan_O0): New function.
+ (pass_asan_O0): New variable.
+ * passes.c (init_optimization_passes): Add pass_asan_O0.
+ * tree-pass.h (pass_asan_O0): New declaration.
+
+2012-11-12 Jakub Jelinek <jakub@redhat.com>
+ Xinliang David Li <davidxl@google.com>
+ Dodji Seketeli <dodji@redhat.com>
+
+ * Makefile.in (GTFILES): Add $(srcdir)/asan.c.
+ (asan.o): Update the dependencies of asan.o.
+ * asan.c (tm.h, tree.h, tm_p.h, basic-block.h, flags.h
+ function.h, tree-inline.h, tree-dump.h, diagnostic.h, demangle.h,
+ langhooks.h, ggc.h, cgraph.h, gimple.h): Remove these unused but
+ included headers.
+ (shadow_ptr_types): New variable.
+ (report_error_func): Change is_store argument to bool, don't append
+ newline to function name.
+ (PROB_VERY_UNLIKELY, PROB_ALWAYS): Define.
+ (build_check_stmt): Change is_store argument to bool. Emit GIMPLE
+ directly instead of creating trees and gimplifying them. Mark
+ the error reporting function as very unlikely.
+ (instrument_derefs): Change is_store argument to bool. Use
+ int_size_in_bytes to compute size_in_bytes, simplify size check.
+ Use build_fold_addr_expr instead of build_addr.
+ (transform_statements): Adjust instrument_derefs caller.
+ Use gimple_assign_single_p as stmt test. Don't look at MEM refs
+ in rhs2.
+ (asan_init_shadow_ptr_types): New function.
+ (asan_instrument): Don't push/pop gimplify context.
+ Call asan_init_shadow_ptr_types if not yet initialized.
+ * asan.h (ASAN_SHADOW_SHIFT): Adjust comment.
+
+2012-11-12 Jakub Jelinek <jakub@redhat.com>
+
+ * toplev.c (process_options): Warn and turn off
+ -faddress-sanitizer if not supported by target.
+ * asan.c: Include target.h.
+ (asan_scale, asan_offset_log_32, asan_offset_log_64,
+ asan_offset_log): Removed.
+ (build_check_stmt): Use ASAN_SHADOW_SHIFT and
+ targetm.asan_shadow_offset ().
+ (asan_instrument): Don't initialize asan_offset_log.
+ * asan.h (ASAN_SHADOW_SHIFT): Define.
+ * target.def (TARGET_ASAN_SHADOW_OFFSET): New hook.
+ * doc/tm.texi.in (TARGET_ASAN_SHADOW_OFFSET): Add it.
+ * doc/tm.texi: Regenerated.
+ * Makefile.in (asan.o): Depend on $(TARGET_H).
+ * config/i386/i386.c (ix86_asan_shadow_offset): New function.
+ (TARGET_ASAN_SHADOW_OFFSET): Define.
+
+2012-11-12 Wei Mi <wmi@google.com>
+ Diego Novillo <dnovillo@google.com>
+ Dodji Seketeli <dodji@redhat.com>
+
+ * Makefile.in: Add asan.c and its dependencies.
+ * common.opt: Add -faddress-sanitizer option.
+ * doc/invoke.texi: Document the new flag.
+ * passes.c: Add the asan pass.
+ * toplev.c (compile_file): Call asan_finish_file.
+ * asan.c: New file.
+ * asan.h: New file.
+ * tree-pass.h: Declare pass_asan.
+
+2012-11-12 Tobias Burnus <burnus@net-b.de>
+
+ * diagnostic.c (diagnostic_append_note): Also call va_end when
+ inhibit_notes_p is true.
+
+2012-11-12 Bin Cheng <bin.cheng@arm.com>
+
+ * gcse.c (struct bb_data): Add new fields, old_pressure, live_in
+ and backup.
+ (get_regno_pressure_class): Add prototype.
+ (update_bb_reg_pressure): New.
+ (should_hoist_expr_to_dom): Add new parameter from.
+ Monitor the change of reg pressure and use it to drive hoisting.
+ (hoist_code): Update LIVE and reg pressure information.
+ (calculate_bb_reg_pressure): Initialize live_in and backup.
+
+2012-11-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * doc/md.texi (Standard Pattern Names For Generation): Fix swapped
+ sine and cosine operands in the sincos description.
+
+2012-11-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53512
+ * config/sh/sh.md (sincossf3): Fix swapped sin and cos operands.
+
+2012-11-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md (*movti_internal_rex64): Remove "!" from
+ riF->o alternative.
+
+2012-11-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
+ * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.
+
+2012-11-11 Eric Botcazou <ebotcazou@adacore.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ PR rtl-optimization/55247
+ PR middle-end/55259
+ * emit-rtl.c (adjust_address_1): If POINTERS_EXTEND_UNSIGNED > 0,
+ handle ZERO_EXTEND.
+ * recog.c (offsettable_address_addr_space_p): Likewise.
+
+2012-11-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/55263
+ * postreload.c (rest_of_handle_postreload): With non-call exceptions,
+ if edges are purged call cleanup_cfg to remove unreachable blocks.
+
+2012-11-11 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/extend.texi: Copy-edit to use "built-in function" instead
+ of "builtin", per GCC coding standards. Also use consistent
+ capitalization in titles of sections describing built-in functions.
+
+2012-11-11 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/55238
+ * ipa-cp.c (agg_pass_through_permissible_p): New function.
+ (propagate_aggs_accross_jump_function): Use it.
+ (find_aggregate_values_for_callers_subset): Likewise and relax an
+ assert.
+
+2012-11-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/47440
+ * config/i386/i386.c (check_avx256_stores): Remove.
+ (ix86_check_avx256_register): New.
+ (ix86_avx_u128_mode_needed): Use ix86_check_avx256_register.
+ Check the whole RTX for 256bit registers using for_each_rtx.
+ (ix86_check_avx_stores): New.
+ (ix86_avx_u128_mode_after): Change mode of CALL RTX to AVX_U128_CLEAN
+ if there are no 256bit registers used in the function return register.
+ (ix86_avx_u128_mode_entry): Use ix86_check_avx256_register.
+ (ix86_avx_u128_mode_exit): Ditto.
+
+2012-11-10 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/48636
+ * ipa-inline.c (want_inline_small_function_p): Take aray index hint.
+ (edge_badness): Likewise.
+ * ipa-inline.h (inline_hints_vals): Add array_index and comments.
+ (inline_summary): Add ARRAY_INDEX.
+ * ipa-inline-analysis.c (dump_inline_hints): Dump array_index hint.
+ (reset_inline_summary): Handle array_index hint.
+ (inline_node_duplication_hook): Likewise.
+ (dump_inline_summary): Likewise.
+ (array_index_predicate): New function.
+ (estimate_function_body_sizes): Use it.
+ (estimate_node_size_and_time): Use array_index hint.
+ (inline_merge_summary, inline_read_section): Likewise.
+
+2012-11-10 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/extend.texi: Copy-edit to use "bit-field" consistently
+ instead of "bitfield" or "bit field".
+
+2012-11-10 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/extend.texi: Copy-edit to fix incorrect hyphenation phrases
+ involving "bit", "byte", "word", "precision", and "floating"
+ modifiers.
+
+2012-11-10 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/extend.texi: Copy-edit to fix incorrect uses of "which"
+ and "that" throughout the file.
+
+2012-11-10 Andrew Pinski <apinski@cavium.com>
+
+ PR bootstrap/55202
+ * configure.ac: Set PLUGIN_LD_SUFFIX to just "ld" if it was "ld-new"
+ or "collect-ld".
+ * configure: Regenerate.
+
+2012-11-10 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (store_field): Remove TYPE parameter. Remove block of code
+ dealing with BLKmode in registers. Reimplement this support using
+ pseudo-registers and bit-field techniques.
+ (store_constructor_field): Remove TYPE parameter and adjust calls to
+ store_field.
+ (expand_assignment): Adjust calls to store_field. Add comment.
+ (store_expr): Add comment.
+ (store_constructor): Adjust calls to store_constructor_field.
+ (expand_expr_real_2): Adjust call to store_field.
+
+2012-11-10 Vladimir Makarov <vmakarov@redhat.com>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/55247
+ * config/i386/i386.md (*movti_internal_rex64): Add "!" to riF->o
+ alternative.
+
+2012-11-09 Ed Smith-Rowland <3dw4rd@verizon.net>
+
+ PR c++/54413
+ * doc/invoke.texi: Document f[no-]ext-numeric-literals flag.
+
+2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
+
+ * doc/install.texi (sparc64-x-solaris2): Mention MPC as well.
+
+2012-11-09 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_lra_p): Remove.
+ (TARGET_LRA_P): Use hook_bool_void_true.
+
+2012-11-09 Jason Merrill <jason@redhat.com>
+
+ * attribs.c (lookup_attribute_spec): Handle getting a TREE_LIST.
+
+2012-11-09 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR tree-optimization/55154
+ * lra-int.h (LRA_LOSER_COST_FACTOR, LRA_MAX_REJECT): New macros.
+ * lra.c (setup_operand_alternative): Use them.
+ * lra-constraints.c (LOSER_COST_FACTOR, MAX_OVERALL_COST_BOUND):
+ Remove.
+ (process_alt_operands): Use LRA_LOSER_COST_FACTOR and LRA_MAX_REJECT.
+ Accumulate reject instead of setting for non-const.
+ (curr_insn_transform): Initialize best_losers and best_overall by
+ INT_MAX.
+
+2012-11-09 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh.c (sh_can_use_simple_return_p): Enable with
+ -freorder-blocks-and-partition.
+
+2012-11-09 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * rtl.h (CONST_SCALAR_INT_P): New macro.
+ * cfgexpand.c (expand_debug_locations): Changed to use
+ CONST_SCALAR_INT_P macro.
+ * combine.c (try_combine, subst, make_extraction,
+ gen_lowpart_for_combine): Ditto.
+ * cselib.c (entry_and_rtx_equal_p, rtx_equal_for_cselib_1): Ditto.
+ * dwarf2out.c (loc_descriptor): Ditto.
+ * emit-rtl.c (gen_lowpart_common): Ditto.
+ * ira-costs.c (record_reg_classes, record_address_regs): Ditto.
+ * ira-lives.c (single_reg_class): Ditto.
+ * recog.c (simplify_while_replacing, asm_operand_ok,
+ constrain_operands): Ditto.
+ * reload.c (find_reloads): Ditto.
+ * simplify-rtx.c (simplify_unary_operation_1,
+ simplify_const_unary_operation, simplify_binary_operation_1,
+ simplify_const_binary_operation, simplify_relational_operation_1,
+ simplify_subreg): Ditto.
+
+2012-11-09 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/54385
+ * postreload.c (reload_cse_simplify): Return a bool indicating
+ whether the CFG was changed.
+ (reload_cse_regs_1): Traverse the CFG instead of the insns chain.
+ Cleanup the CFG if edges may have been removed.
+ (reload_cse_regs): Update.
+
+2012-11-09 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/54472
+ * sel-sched-ir.c (has_dependence_note_reg_set): Handle implicit sets.
+ (has_dependence_note_reg_clobber, has_dependence_note_reg_use):
+ Likewise.
+
+2012-11-09 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/i386/i386.c (release_scratch_register_on_entry): Also adjust
+ sp_offset manually.
+
+2012-11-08 Christian Bruel <christian.bruel@st.com>
+
+ * tree-ssa-tail-merge.c (replace_block_by): Update bb2 profile count.
+ Do not reset dead bb1->frequency.
+
+2012-11-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR tree-optimization/55191
+ * cfganal.c (connect_infinite_loops_to_exit): Call dfs_deadend here.
+ (flow_dfs_compute_reverse_execute): Don't call it here.
+
+2012-11-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/53145
+ * dwarf2out.c (gen_compile_unit_die): Don't call gen_producer_string
+ here, instead add "" if producer_string is NULL.
+ (dwarf2out_finish): Call gen_producer_string here, unconditionally
+ decrease refcount of the old indirect string and set val_str to
+ find_AT_string result.
+
+ PR debug/54499
+ * cgraphunit.c (assemble_thunk): Don't call source_line debug hook
+ here, instead call insn_locations_{init,finalize} and initialize
+ prologue_location.
+
+2012-11-08 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
+
+ PR driver/54789
+ * gcc.c (process_command): Use save_switch for synthesized
+ -fcompare-debug=* option; mark the switch as known.
+
+2012-11-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/54308
+ * config/rs6000/rs6000.c (legitimate_indirect_address_p): Remove
+ inline keyword.
+
+2012-11-08 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR rtl-optimization/54850
+ * sched-deps.c (find_inc): Add all dependencies from the inc_insn
+ to the mem_insn.
+
+2012-11-08 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/48636
+ * ipa-inline.c (big_speedup_p): New function.
+ (want_inline_small_function_p): Use it.
+ (edge_badness): Dump it.
+ * params.def (inline-min-speedup): New parameter.
+ * doc/invoke.texi (inline-min-speedup): Document.
+
+2012-11-08 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-prop.c (determine_known_aggregate_parts): Skip writes to
+ different declarations when tracking writes to a declaration.
+
+2012-11-07 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/constraints.md ("U"): Document, in detail,
+ which this constraint is necessary.
+
+2012-11-07 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/55235
+ * expr.c (store_expr): Do not call emit_block_move for
+ non-BLKmode values.
+
+2012-11-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/55219
+ * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
+ the argument is itself a conditional expression.
+
+2012-11-07 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55122
+ * lra-constraints.c (match_reload): Sync values for dead input pseudos.
+
+2012-11-07 Richard Henderson <rth@redhat.com>
+
+ * trans-mem.c (pass_ipa_tm): Don't use TODO_update_ssa.
+
+2012-11-07 Peter Bergner <bergner@vnet.ibm.com>
+
+ * doc/invoke.texi (-mcpu=power8): Document.
+ * config.in (HAVE_AS_POWER8): New.
+ * config.gcc: Add cpu_type power8.
+ * configure.ac: (HAVE_AS_POWER8): Check for assembler support for
+ the POWER8 instructions.
+ * configure: Regenerate.
+ * config/rs6000/rs6000.h: (ASM_CPU_POWER8_SPEC): Define.
+ (ASM_CPU_SPEC): Pass %(asm_cpu_power8) for -mcpu=power8.
+ (EXTRA_SPECS): Add asm_cpu_power8 spec string.
+ * config/rs6000/rs6000-cpus.def (processor_target_table): Alias
+ POWER8 to POWER7.
+ * config/rs6000/rs6000-tables.opt: Regenerate.
+ * config/rs6000/driver-rs6000.c (ASM_CPU_SPEC): For -mcpu=power8,
+ pass %(asm_cpu_power8)/-mpwr8.
+ * config/rs6000/aix53.h: Likewise.
+ * config/rs6000/aix61.h: Likewise.
+
+2012-11-07 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/55224
+ * config/i386/i386.c (ix86_function_ok_for_sibcall): Put back exception
+ to make a sibcall if one of the functions has void return type.
+
+2012-11-07 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c/53063
+ * doc/invoke.texi (Wformat): Update.
+
+2012-11-07 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * optc-gen.awk: Factor code out to...
+ * opt-functions.awk (lang_enabled_by): ... this new function.
+
+2012-11-07 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c/53063
+ * common.opt (Wswitch,Wswitch-default,Wswitch-enum): Move to c.opt.
+
+2012-11-07 Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_expand_prologue): Add the missing
+ argument 'Pmode' to the 'plus_constant' call.
+
+2012-11-07 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/53787
+ * ipa-cp.c (ipcp_value_source): New field offset.
+ (ipcp_agg_lattice): New type.
+ (ipcp_param_lattices): Likewise, move virt_call from ipcp_lattice here.
+ (ipcp_agg_lattice_pool): New variable.
+ (ipa_get_parm_lattices): New function.
+ (ipa_get_lattice): Turned into ipa_get_scalar_lat, use the above.
+ Adjusted all callers.
+ (print_lattice): New function.
+ (print_all_lattices): Use the above, also print aggregate lattices.
+ (set_agg_lats_to_bottom): New function.
+ (set_agg_lats_contain_variable): Likewise.
+ (set_all_contains_variable): Likewise.
+ (initialize_node_lattices): Also handle aggregate lattices, set
+ virt_call in ipcp_param_lattices.
+ (add_value_source): Handle offsets.
+ (add_value_to_lattice): Likewise.
+ (add_scalar_value_to_lattice): New function.
+ (propagate_vals_accross_pass_through): Use add_scalar_value_to_lattice.
+ (propagate_vals_accross_ancestor): Likewise.
+ (propagate_accross_jump_function): Renamed to
+ propagate_scalar_accross_jump_function, use
+ add_scalar_value_to_lattice.
+ (set_check_aggs_by_ref): New function.
+ (merge_agg_lats_step): Likewise.
+ (set_chain_of_aglats_contains_variable): Likewise.
+ (merge_aggregate_lattices): Likewise.
+ (propagate_constants_accross_call): Also handle aggregate lattices.
+ (hint_time_bonus): New function.
+ (context_independent_aggregate_values): Likewise.
+ (gather_context_independent_values): Also handle agggregate values.
+ (agg_jmp_p_vec_for_t_vec): New function.
+ (estimate_local_effects): Also handle agggregate values.
+ (add_all_node_vals_to_toposort): Likewise.
+ (ipcp_propagate_stage): Use struct ipcp_param_lattices.
+ (get_clone_agg_value): New function.
+ (cgraph_edge_brings_value_p): Also handle agggregate values.
+ (create_specialized_node): Likewise.
+ (find_more_values_for_callers_subset): Rename to
+ find_more_scalar_values_for_callers_subset. Modify dump.
+ (copy_plats_to_inter): New function.
+ (intersect_with_plats): Likewise.
+ (agg_replacements_to_vector): Likewise.
+ (intersect_with_agg_replacements): Likewise.
+ (find_aggregate_values_for_callers_subset): Likewise.
+ (known_aggs_to_agg_replacement_list): Likewise.
+ (cgraph_edge_brings_all_scalars_for_node): Likewise.
+ (cgraph_edge_brings_all_agg_vals_for_node): Likewise.
+ (perhaps_add_new_callers): Old functionality moved to
+ cgraph_edge_brings_all_scalars_for_node, call it and
+ cgraph_edge_brings_all_agg_vals_for_node.
+ (ipcp_val_in_agg_replacements_p): New function.
+ (decide_about_value): New function.
+ (decide_whether_version_node): A lot of functionality moved to
+ decide_about_value. Also handle agggregate values.
+ (ipcp_driver): Also allocate ipcp_agg_lattice_pool.
+ (pass_ipa_cp): Fill in new entries.
+ * ipa-prop.c (ipa_node_agg_replacements): New variable.
+ (free_parms_ainfo): New function.
+ (ipa_analyze_node): Use free_parms_ainfo to free stuff.
+ (ipa_find_agg_cst_for_param): Do not rely on offset ordering.
+ (ipa_set_node_agg_value_chain): New function.
+ (ipa_node_removal_hook): Also handle ipa_node_agg_replacements.
+ (ipa_node_duplication_hook): Likewise.
+ (ipa_free_all_structures_after_ipa_cp): Also free ipcp_agg_lattice_pool.
+ (ipa_free_all_structures_after_iinln): Likewise.
+ (ipa_dump_agg_replacement_values): New function.
+ (write_agg_replacement_chain): Likewise.
+ (read_agg_replacement_chain): Likewise.
+ (ipa_prop_write_all_agg_replacement): Likewise.
+ (read_replacements_section): Likewise.
+ (ipa_prop_read_all_agg_replacement): Likewise.
+ (adjust_agg_replacement_values): Likewise.
+ (ipcp_transform_function): Likewise.
+ * ipa-prop.h: Also define heap vector of ipa_agg_jf_item_t and of
+ ipa_agg_jump_function_t.
+ (ipa_node_params): Make lattices an array of ipcp_param_lattices.
+ (ipa_agg_replacement_value): New type and its vector.
+ (ipa_set_node_agg_value_chain) Declare.
+ (ipa_node_agg_replacements): Likewise.
+ (ipa_get_agg_replacements_for_node): New function.
+ (ipcp_agg_lattice_pool): Declare.
+ (ipa_dump_agg_replacement_values): Likewise.
+ (ipa_prop_write_all_agg_replacement): Likewise.
+ (ipa_prop_read_all_agg_replacement): Likewise.
+ (ipcp_transform_function): Likewise.
+ * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time): Pass around
+ known aggregates and hints.
+ * ipa-inline.h: include ipa-prop.h.
+ (estimate_ipcp_clone_size_and_time): Adjust declaration.
+ * lto-streamer.h (lto_section_type): New item
+ LTO_section_ipcp_transform.
+ * lto-section-in.c (lto_section_name): New element ipcp_trans.
+ * params.def (PARAM_IPA_CP_LOOP_HINT_BONUS): New parameter.
+ * Makefile.in (IPA_INLINE_H): New. Use everywhee instead of
+ ipa-inline.h.
+
+2012-11-07 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (enum upper_128bits_state): Remove.
+ (check_avx256_store): Use bool pointer argument.
+ (ix86_avx_u128_mode_needed): Use note_stores also for CALL insns.
+ * config/i386/predicates.md (vzeroupper_operation): Use match_test.
+
+2012-11-07 Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_expand_prologue): For the
+ load-pair with writeback instruction, replace
+ aarch64_set_frame_expr with add_reg_note (REG_CFA_ADJUST_CFA);
+ add new local variable 'cfa_reg' and use it.
+
+2012-11-07 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR middle-end/49220
+ * mode-switching.c (create_pre_exit): Set short_block if there
+ are no copy insns.
+
+2012-11-07 Martin Jambor <mjambor@suse.cz>
+
+ * lto-cgraph.c: Include tree-pass.h.
+ (lto_output_node): Stream node->ipa_transforms_to_apply.
+ (input_node): Likewise.
+ * tree-pass.h (passes_by_id): Declare.
+ (passes_by_id_size): Likewise.
+ * Makefile.in (lto-cgraph.o): Add TREE_PASS_H to dependencies.
+
+2012-11-07 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline-analysis.c (true_predicate, single_cond_predicate,
+ reset_inline_edge_summary): Fix formatting.
+ (account_size_time): Bump up the limit on number of size/time
+ entries to 256.
+ (estimate_function_body_sizes): Work in reverse postorder.
+
+2012-11-07 David S. Miller <davem@davemloft.net>
+
+ PR bootstrap/55211
+ Revert:
+ * config/sparc/constraints.md ("U"): Delete.
+ * config/sparc/sparc.md: Use 'r' constraint instead of 'U'.
+ * config/sparc/sync.md: Likewise.
+ And revert parts of:
+ * doc/md.texi: Sync sparc constraint documentation with reality.
+
+2012-11-07 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (ix86_avx_u128_mode_after): Don't
+ look for reg in CALL operand.
+
+ PR debug/54693
+ * tree-flow.h (propagate_threaded_block_debug_into): New prototype.
+ * tree-ssa-threadedge.c (propagate_threaded_block_debug_into): No
+ longer static.
+ * tree-ssa-loop-ch.c (copy_loop_headers): Use it.
+
+2012-11-06 Sterling Augustine <saugustine@google.com>
+
+ * dwarf2out.c (output_comdat_type_unit): Check for OBJECT_FORMAT_ELF.
+
+2012-11-06 Aldy Hernandez <aldyh@redhat.com>
+ Richard Henderson <rth@redhat.com>
+
+ * cfg-flags.def (TM_UNINSTRUMENTED, TM_ABORT): New.
+ * trans-mem.c (PROB_VERY_LIKELY, PROB_UNLIKELY, PROB_LIKELY): New.
+ (struct tm_region): Add tm_state, restart_block,
+ original_transaction_was_outer.
+ (tm_region_init_0): Initialize them.
+ (collect_bb2reg, get_bb_regions_instrumented): New.
+ (tm_log_emit_save_or_restores): Merge into ...
+ (expand_transaction): ... here.
+ (generate_tm_state, propagate_tm_flags_out): New.
+ (execute_tm_mark): Avoid processing blocks more than once.
+ (split_bb_make_tm_edge): Split out from ...
+ (make_tm_edge): ... here. And merge the rest into ...
+ (expand_block_edges): ... here.
+ (execute_tm_edges): Avoid processing blocks more than once.
+ (ipa_uninstrument_transaction): New.
+ (ipa_tm_scan_calls_transaction): Use it. Rebuild cgraph and ssa.
+ (ipa_tm_execute): Init and free original_copy_tables.
+ * trans-mem.h (PR_MULTIWAYCODE): New.
+ * tree-cfg.c (make_edges): Use EDGE_TM_ABORT.
+
+2012-11-06 Aldy Hernandez <aldyh@redhat.com>
+
+ * cfghooks.c (copy_bbs): Handle a null loop_father.
+
+ * cgraph.c (cgraph_debug_gimple_stmt): Handle a null
+ current_function_decl.
+
+2012-11-06 Richard Henderson <rth@redhat.com>
+
+ * tree-ssa-tail-merge.c (find_duplicate): Do not consider
+ is_tm_ending_fndecl calls as mergable.
+
+2012-11-06 Sterling Augustine <saugustine@google.com>
+ Cary Coutant <ccoutant@google.com>
+
+ * common.opt (gno-split-dwarf, gsplit-dwarf): New switches.
+ * doc/invoke.texi (Debugging Options): Document them.
+ * gcc.c (replace_extension_spec_func): New function.
+ (ASM_FINAL_SPEC): Adjust.
+ (static_spec_functions): Add new field for replace-extension.
+ (check_live_switch): Adjust comment. Add case for 'g'.
+ * opts.c (finish_options): Set x_debug_generate_pub_sections based on
+ x_dwarf_split_debug_info.
+ (common_handle_option): Add case for OPT_gsplit_dwarf.
+ * dwarf2out.h (addr_table_entry_struct): Add forward declaration.
+ (dw_val_struct): Add val_entry pointer.
+ * dwarf2out.c (debug_skeleton_info_section,
+ debug_skeleton_abbrev_section, debug_addr_section,
+ debug_skeleton_line_section, debug_str_offsets_section): New globals.
+ (NOT_INDEXED, NO_INDEX_ASSIGNED): New defines.
+ (indirect_string_node): New field index.
+ (ate_kind): New enum with fields ate_kind_rtc, ate_kind_rtx_dtprel,
+ ate_kind_label.
+ (addr_table_entry): New structure and type.
+ (dw_loc_list_struct): Add field begin_entry.
+ (new_loc_desc): Initialize val_entry.
+ (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
+ Add cases for DW_OP_GNU_addr_index and DW_OP_const_index.
+ (build_cfa_loc): Initialize val_entry.
+ (AT_index, add_addr_table_entry, remove_addr_table_entry,
+ add_AT_lbl_id): New functions.
+ (add_AT_addr, add_AT_range_list): New parameter force_direct.
+ (output_die_abbrevs): New function.
+ (add_ranges_by_labels): New parameter force_direct.
+ (output_line_info): New parameter prologue_only.
+ (dtprel_bool): New enum with dtprel_false and dtprel_true.
+ (dw_addr_op, new_addr_loc_descr): New functions.
+ (DEBUG_DWO_INFO_SECTION, DEBUG_DWO_ABBREV_SECTION,
+ DEBUG_ADDR_SECTION, DEBUG_NORM_MACINFO_SECTION,
+ DEBUG_DWO_MACINFO_SECTION, DEBUG_MACINFO_SECTION,
+ DEBUG_NORM_MACRO_SECTION, DEBUG_DWO_MACRO_SECTION,
+ DEBUG_MACRO_SECTION, DEBUG_DWO_LINE_SECTION,
+ DEBUG_DWO_LOC_SECTION, DEBUG_NORM_STR_OFFSETS_SECTION,
+ DEBUG_DWO_STR_OFFSETS_SECTION, DEBUG_STR_OFFSETS_SECTION,
+ DEBUG_DWO_STR_SECTION, DEBUG_NORM_STR_SECTION, DEBUG_STR_SECTION,
+ DEBUG_MACRO_SECTION_FLAGS, DEBUG_SKELETON_LINE_SECTION_LABEL,
+ DEBUG_SKELETON_INFO_SECTION_LABEL, DEBUG_ADDR_SECTION_LABEL
+ DEBUG_SKELETON_ABBREV_SECTION_LABEL): New macros.
+ (DEBUG_STR_SECTION_FLAGS): Adjust.
+ (TEXT_SECTION_LABEL, COLD_TEXT_SECTION_LABEL,
+ DEBUG_LINE_SECTION_LABEL, DEBUG_INFO_SECTION_LABEL,
+ DEBUG_ABBREV_SECTION_LABEL, DEBUG_ADDR_SECTION_LABEL,
+ DEBUG_LOC_SECTION_LABEL, DEBUG_RANGES_SECTION_LABEL,
+ DEBUG_MACINFO_SECTION_LABEL, DEBUG_MACRO_SECTION_LABEL): Adjust
+ indentation.
+ (debug_skeleton_abbrev_section_label, debug_addr_section_label,
+ debug_skeleton_line_section_label, debug_skeleton_info_section_label):
+ New global variables.
+ (add_AT_flag, add_AT_int, add_AT_unsigned, add_AT_double, add_AT_vec,
+ add_AT_data8): Initialize val_entry.
+ (add_AT_low_high_pc): New parameter force_direct. Handle
+ dwarf_split_debug_info.
+ (set_indirect_string, find_AT_string_form): New functions.
+ (AT_string_form): Adjust to call find_AT_string_from.
+ (add_AT_die_ref, add_AT_fde_ref, add_AT_loc, add_AT_list):
+ Initialize val_entry.
+ (addr_index_table): New global variable.
+ (addr_table_entry_do_hash, addr_table_entry_eq, add_addr_table_entry,
+ init_addr_table_entry, remove_addr_table_entry, index_addr_table_entry,
+ remove_loc_list_addr_table_entries): New functions.
+ (add_AT_addr, add_AT_lbl_id, add_AT_range_list): New parameter
+ force_direct. Handle dwarf_split_debug_info.
+ (add_AT_file, add_AT_vms_delta, add_AT_lineptr, add_AT_macptr,
+ add_AT_offset): Initialize val_entry.
+ (UNRELOCATED_OFFSET, RELOCATED_OFFSET): New defines.
+ (size_of_die): Handle dwarf_split_debug_info.
+ (size_of_aranges, value_format): Call AT_class. Check AT_index.
+ (output_die_abbrevs): New function.
+ (output_abbrev_section): Call output_die_abbrevs.
+ (new_loc_list): Initialize begin_entry.
+ (output_loc_list): Handle dwarf_split_debug_info.
+ (output_range_list_offset, output_loc_list_offset,
+ output_attr_index_or_value, ): New functions.
+ (output_die): Fix call to dw2_asm_output_data. Call
+ output_attr_index_or_value and output_range_list_offset.
+ Adjust logic around dw_val_class_str.
+ (add_top_lebel_skeleton_die_attrs, get_skeleton_type_unit,
+ output_skeleton_debug_sections): New functions.
+ (output_comdat_type_unit, output_pubname, output_aranges): Handle
+ dwarf_split_debug_info.
+ (add_ranges_by_labels): New parameter force_direct.
+ (mem_loc_descriptor, loc_descr): Call new_addr_loc_descr.
+ (loc_list_from_tree, add_const_value_attribtue): Use dtprel_bools in
+ place of generic integer.
+ (dwarf2out_vms_debug_main_pointer, gen_entry_point_die, gen_label_die,
+ gen_call_site_die, gen_subprogram_die, gen_variable_die,
+ add_high_low_attributes): Adjust calls to add_AT_lbl_id.
+ (output_macinfo_op): Adjust indirect_string_logic.
+ (save_macinfo_strings): New function.
+ (output_macinfo): Adjust.
+ (dwarf2out_init): Handle dwarf_split_debug_info.
+ (index_string, output_index_string_offset, output_index_string): New
+ functions.
+ (output_indirect_string): Adjust.
+ (output_indirect_strings, output_addr_table_entry, output_addr_table):
+ New functions.
+ (resolve_addr_in_expr, hash_loc_operands): Handle DW_OP_GNU_addr_index
+ and DW_OP_GNU_const_index. Handle dwarf_split_debug_info. Call
+ remove_loc_list_addr_table_entries and remove_addr_table_entry.
+ (index_location_lists): New function.
+ (dwarf2out_finish): Handle dwarf_split_debug_info. New variable
+ main_comp_unit_die. Adjust calls to add_AT_low_high_pc,
+ add_ranges_by_labels, add_AT_addr, and add_AT_lineptr. Call
+ save_macinfo_strings and output_indirect_strings.
+
+2012-11-06 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * config/i386/i386.c (make_dispatcher_decl): Guard with
+ ASM_OUTPUT_TYPE_DIRECTIVE and HAVE_GNU_INDIRECT_FUNCTION.
+
+2012-11-06 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline-analysis.c (estimate_function_body_sizes,
+ inline_update_overall_summary): Cap time calculations.
+
+2012-11-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_init_machine_status): Do not
+ explicitly clear tls_descriptor_call_expanded_p again.
+
+2012-11-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md
+ (<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
+ as read and written by the instruction.
+
+2012-11-06 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54693
+ * tree-ssa-threadedge.c (propagate_threaded_block_debug_into):
+ Use a stack vector before allocating a pointer set.
+
+2012-11-06 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-prop.c (ipa_get_param_decl_index_1): New function.
+ (ipa_get_param_decl_index): Just call ipa_get_param_decl_index_1.
+ (ipa_populate_param_decls): Accept descriptors parameter rather
+ than the whole info.
+ (load_from_unmodified_param): Likewise.
+ (ipa_load_from_parm_agg_1): Likewise.
+ (ipa_load_from_parm_agg): Extract descriptors from info.
+ (compute_complex_assign_jump_func): Likewise.
+ (ipa_analyze_indirect_call_uses): Likewise.
+
+2012-11-06 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (compute_uninlined_call_time): Return gcov_type.
+ (compute_inlined_call_time): Watch overflows.
+ (relative_time_benefit): Compute in gcov_type.
+
+2012-11-06 Jan Hubicka <jh@suse.cz>
+
+ * cfgloopanal.c (get_loop_hot_path): New function.
+ * tree-ssa-lop-ivcanon.c (struct loop_size): Add CONSTANT_IV,
+ NUM_NON_PURE_CALLS_ON_HOT_PATH, NUM_PURE_CALLS_ON_HOT_PATH,
+ NUM_BRANCHES_ON_HOT_PATH.
+ (tree_estimate_loop_size): Compute the new values.
+ (try_unroll_loop_completely): Disable unrolling of loops with only
+ calls or too many branches.
+ (tree_unroll_loops_completely): Deal also with outer loops of hot loops.
+ * cfgloop.h (get_loop_hot_path): Declare.
+ * params.def (PARAM_MAX_PEEL_BRANCHES): New parameters.
+ * invoke.texi (max-peel-branches): Document.
+
+2012-11-06 Jan Hubicka <jh@suse.cz>
+
+ * ipa-pure-const.c (check_stmt): Fix debug info formatting.
+
+2012-11-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
+ (ix86_instantiate_decls): New function.
+ (ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
+ stack slot instead of SLOT_VIRTUAL.
+ <case IX86_BUILTIN_STMXCSR>: Ditto.
+ (assign_386_stack_local): Do not assert when virtual slot is valid.
+ * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
+ * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
+ (truncxf<mode>2): Ditto.
+ (floatunssi<mode>2): Ditto.
+ (isinf<mode>2): Ditto.
+ * config/i386/sync.md (atomic_load<mode>): Ditto.
+ (atomic_store<mode>): Ditto.
+
+2012-11-06 Jan Hubicka <jh@suse.cz>
+
+ * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound,
+ vect_do_peeling_for_alignment): Fix loop bound computation.
+ * tree-vect-loop.c (vect_transform_loop): Maintain loop bounds.
+
+2012-11-06 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/sh.c (and_xor_ior_costs, addsubcosts): Double the costs for
+ ops larger than SImode.
+ * config/sh/sh.md (rotcl, *rotcl): New insns and splits.
+ (ashldi3_k): Convert to insn_and_split and use new rotcl insn.
+
+2012-11-06 Vladimir Yakovlev <vladimir.b.yakovlev@intel.com>
+
+ PR target/47440
+ * config/i386/i386-protos.h (emit_i387_cw_initialization): Delete.
+ (emit_vzero): Add prototype.
+ (ix86_mode_entry): Likewise.
+ (ix86_mode_exit): Likewise.
+ (ix86_emit_mode_set): Likewise.
+
+ * config/i386/i386.c (typedef struct block_info_def): Delete.
+ (define BLOCK_INFO): Delete.
+ (check_avx256_stores): Add checking for MEM_P.
+ (move_or_delete_vzeroupper_2): Delete.
+ (move_or_delete_vzeroupper_1): Delete.
+ (move_or_delete_vzeroupper): Delete.
+ (ix86_maybe_emit_epilogue_vzeroupper): Delete.
+ (function_pass_avx256_p): Delete.
+ (ix86_function_ok_for_sibcall): Remove sibcall disabling.
+ (nit_cumulative_args): Remove initialization of of avx256 fields of
+ cfun->machine.
+ (ix86_emit_restore_sse_regs_using_mov): Remove vzeroupper generation.
+ (ix86_expand_epilogue): Likewise.
+ (ix86_avx_u128_mode_needed): New.
+ (ix86_i387_mode_needed): Rename from ix86_mode_needed.
+ (ix86_mode_needed): New.
+ (ix86_avx_u128_mode_after): New.
+ (ix86_mode_after): New.
+ (ix86_avx_u128_mode_entry): New.
+ (ix86_mode_entry): New.
+ (ix86_avx_u128_mode_exit): New.
+ (ix86_mode_exit): New.
+ (ix86_emit_mode_set): New.
+ (ix86_expand_call): Delete vzeroupper generation.
+ (ix86_split_call_vzeroupper): Delete.
+ (ix86_init_machine_status): Initialize optimize_mode_switching.
+ (ix86_expand_special_args_builtin): Change.
+ (ix86_reorg): Delete a call of move_or_delete_vzeroupper.
+
+ * config/i386/i386.h (VALID_AVX256_REG_OR_OI_MODE): New.
+ (AVX_U128): New.
+ (avx_u128_state): New.
+ (NUM_MODES_FOR_MODE_SWITCHING): Added AVX_U128_ANY.
+ (MODE_AFTER): New.
+ (MODE_ENTRY): New.
+ (MODE_EXIT): New.
+ (EMIT_MODE_SET): Change.
+ (machine_function): Delete avx256 fields.
+
+ * config/i386/i386.md (UNSPEC_CALL_NEEDS_VZEROUPPER): Delete.
+ (define_insn_and_split "*call_vzeroupper"): Delete.
+ (define_insn_and_split "*call_rex64_ms_sysv_vzeroupper"): Delete.
+ (define_insn_and_split "*sibcall_vzeroupper"): Delete.
+ (define_insn_and_split "*call_pop_vzeroupper"): Delete.
+ (define_insn_and_split "*sibcall_pop_vzeroupper"): Delete.
+ (define_insn_and_split "*call_value_vzeroupper"): Delete.
+ (define_insn_and_split "*sibcall_value_vzeroupper"): Delete.
+ (define_insn_and_split "*call_value_rex64_ms_sysv_vzeroupper"): Delete.
+ (define_insn_and_split "*call_value_pop_vzeroupper"): Delete.
+ (define_insn_and_split "*sibcall_value_pop_vzeroupper"): Delete.
+ (define_expand "return"): Remove vzeroupper emitting.
+ (define_expand "simple_return"): Delete.
+
+ * config/i386/predicates.md (vzeroupper_operation): New.
+
+ * config/i386/sse.md (avx_vzeroupper): Change.
+
+2012-11-06 Uros Bizjak <ubizjak@gmail.com>
+ Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/41993
+ * mode-switching.c (create_pre_exit): Set return_copy to
+ last_insn when copy_start is a pseudo reg.
+
+2012-11-06 Andrey Turetskiy <andrey.turetskiy@gmail.com>
+
+ * config/i386/i386.c (bdesc_args): Rename CODE_FOR_avx2_umulhrswv16hi3
+ to CODE_FOR_avx2_pmulhrswv16hi3.
+ * config/i386/predicates.md (const1_operand): Extend for vectors.
+ * config/i386/sse.md (ssse3_avx2): Extend.
+ (ssedoublemode): Ditto.
+ (<sse2_avx2>_uavg<mode>3): Merge avx2_uavgv32qi3, sse2_uavgv16qi3,
+ avx2_uavgv16hi3 and sse2_uavgv8hi3 into one.
+ (*<sse2_avx2>_uavg<mode>3): Merge *avx2_uavgv32qi3, *sse2_uavgv16qi3,
+ *avx2_uavgv16hi3 and *sse2_uavgv8hi3 into one.
+ (PMULHRSW): New.
+ (<ssse3_avx2>_pmulhrsw<mode>3): Merge avx2_umulhrswv16hi3,
+ ssse3_pmulhrswv8hi3 and ssse3_pmulhrswv4hi3 into one.
+ (*avx2_pmulhrswv16hi3): Replace const_vector with const1_operand
+ predicate.
+ (*ssse3_pmulhrswv8hi3): Ditto.
+ (*ssse3_pmulhrswv4hi3): Ditto.
+
+2012-11-06 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/epiphany.c (epiphany_address_cost):
+ Use MODE parameter.
+
+2012-11-05 Sriraman Tallam <tmsriram@google.com>
+
+ * doc/tm.texi.in (TARGET_OPTION_FUNCTION_VERSIONS): New hook
+ description.
+ * (TARGET_COMPARE_VERSION_PRIORITY): New hook description.
+ * (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): New hook description.
+ * (TARGET_GENERATE_VERSION_DISPATCHER_BODY): New hook description.
+ * doc/tm.texi: Regenerate.
+ * target.def (compare_version_priority): New target hook.
+ * (generate_version_dispatcher_body): New target hook.
+ * (get_function_versions_dispatcher): New target hook.
+ * (function_versions): New target hook.
+ * cgraph.c (cgraph_fnver_htab): New htab.
+ (cgraph_fn_ver_htab_hash): New function.
+ (cgraph_fn_ver_htab_eq): New function.
+ (version_info_node): New pointer.
+ (insert_new_cgraph_node_version): New function.
+ (get_cgraph_node_version): New function.
+ (delete_function_version): New function.
+ (record_function_versions): New function.
+ * cgraph.h (cgraph_node): New bitfield dispatcher_function.
+ (cgraph_function_version_info): New struct.
+ (get_cgraph_node_version): New function.
+ (insert_new_cgraph_node_version): New function.
+ (record_function_versions): New function.
+ (delete_function_version): New function.
+ (init_lowered_empty_function): Expose function.
+ * tree.h (DECL_FUNCTION_VERSIONED): New macro.
+ (tree_function_decl): New bit-field versioned_function.
+ * cgraphunit.c (cgraph_analyze_function): Generate body of multiversion
+ function dispatcher.
+ (cgraph_analyze_functions): Analyze dispatcher function.
+ (init_lowered_empty_function): Make non-static. New parameter in_ssa.
+ (assemble_thunk): Add parameter to call to init_lowered_empty_function.
+ * config/i386/i386.c (add_condition_to_bb): New function.
+ (get_builtin_code_for_version): New function.
+ (ix86_compare_version_priority): New function.
+ (feature_compare): New function.
+ (dispatch_function_versions): New function.
+ (ix86_function_versions): New function.
+ (attr_strcmp): New function.
+ (ix86_mangle_function_version_assembler_name): New function.
+ (ix86_mangle_decl_assembler_name): New function.
+ (make_name): New function.
+ (make_dispatcher_decl): New function.
+ (is_function_default_version): New function.
+ (ix86_get_function_versions_dispatcher): New function.
+ (make_attribute): New function.
+ (make_resolver_func): New function.
+ (ix86_generate_version_dispatcher_body): New function.
+ (fold_builtin_cpu): Return integer for cpu builtins.
+ (TARGET_MANGLE_DECL_ASSEMBLER_NAME): New macro.
+ (TARGET_COMPARE_VERSION_PRIORITY): New macro.
+ (TARGET_GENERATE_VERSION_DISPATCHER_BODY): New macro.
+ (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): New macro.
+ (TARGET_OPTION_FUNCTION_VERSIONS): New macro.
+
+2012-11-05 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * recog.c (extract_insn): Enabled alternative defaults to 1.
+
+2012-11-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
+ REX_INT_REGNO_P.
+
+2012-11-05 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/54986
+ * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
+ conversions on entry but add them back on exit if needed.
+
+2012-11-05 Andreas Schwab <schwab@linux-m68k.org>
+
+ * final.c (final_scan_insn) [HAVE_cc0]: Handle all comparison
+ codes in non-jump and cmove insn.
+
+2012-11-05 Uros Bizjak <ubizjak@gmail.com>
+ Vladimir Yakovlev <vladimir.b.yakovlev@intel.com>
+
+ * mode-switching.c (create_pre_exit): Force late switching if
+ __builtin_{apply,return} emitted a load that require mode,
+ other than MODE_EXIT.
+
+2012-11-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR target/55204
+ * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
+ pointer check.
+ (print_reg): Use true_regnum rather than REGNO.
+ (ix86_print_operand_address): Remove SUBREG handling.
+
+2012-11-05 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-niter.c (finite_loop_p): Revamp to be just wrapper of
+ max_loop_iterations.
+
+2012-11-05 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * reorg.c (fill_simple_delay_slots): Avoid calling optimize_skip
+ with a return instruction.
+
+2012-11-05 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55151
+ * lra-constraints.c (process_alt_operands): Permit putting reg
+ value into memory. Increase reject for this case.
+
+2012-11-05 Dehao Chen <dehao@google.com>
+
+ * final.c (reemit_insn_block_notes): Do not change scope if insn
+ location is UNKNOWN_LOCATION.
+
+2012-11-05 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * doc/md.texi (Defining Attributes): Document that we are defining
+ HAVE_ATTR_name macros as 1 for defined attributes, and as 0
+ for undefined special attributes.
+ * final.c (asm_insn_count, align_fuzz): Always define.
+ (insn_current_reference_address): Likewise.
+ (init_insn_lengths): Use if (HAVE_ATTR_length) instead of
+ #ifdef HAVE_ATTR_length.
+ (get_attr_length_1, shorten_branches, final): Likewise.
+ (final_scan_insn, output_asm_name): Likewise.
+ * genattr.c (gen_attr): Define HAVE_ATTR_name macros for
+ defined attributes as 1.
+ Remove ancient get_attr_alternative compatibility code.
+ For special purpose attributes not provided, define HAVE_ATTR_name
+ as 0.
+ In case no length attribute is given, provide stub definitions
+ for insn_*_length* functions, and also include insn-addr.h.
+ In case no enabled attribute is given, provide stub definition.
+ * genattrtab.c (write_length_unit_log): Always write a definition.
+ * hooks.c (hook_int_rtx_1, hook_int_rtx_unreachable): New functions.
+ * hooks.h (hook_int_rtx_1, hook_int_rtx_unreachable): Declare.
+ * lra-int.h (struct lra_insn_recog_data): Make member
+ alternative_enabled_p unconditional.
+ * lra.c (free_insn_recog_data): Use if (HAVE_ATTR_length) instead of
+ #ifdef HAVE_ATTR_length.
+ (lra_set_insn_recog_data): Likewise. Make initialization of
+ alternative_enabled_p unconditional.
+ (lra_update_insn_recog_data): Use #if instead of #ifdef for
+ HAVE_ATTR_enabled.
+ * recog.c [!HAVE_ATTR_enabled] (get_attr_enabled): Don't define.
+ (extract_insn): Check HAVE_ATTR_enabled.
+ (gate_handle_split_before_regstack): Use #if instead of
+ #if defined for HAVE_ATTR_length.
+
+2012-11-05 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (compute_uninlined_call_time,
+ compute_inlined_call_time): New functions.
+ (RELATIVE_TIME_BENEFIT_RANGE): New macro.
+ (relative_time_benefit): Rewrite.
+ (edge_badness): Rewrite path with guessed profile and estimated profile.
+ * ipa-inline.h (INLINE_HINT_declared_inline, INLINE_HINT_cross_module):
+ New hints.
+ (struct inline_summary): Add GROWTH filed.
+ * ipa-inline-analysis.c (dump_inline_hints): Update.
+ (reset_inline_summary): Update.
+ (dump_inline_summary): Update.
+ (will_be_nonconstant_predicate): Cleanup to use gimple_store_p and
+ gimple_assign_load_p predicates.
+ (estimate_node_size_and_time): Drop INLINE_HINT_declared_inline hint.
+ (simple_edge_hints): New function.
+ (do_estimate_edge_time): Return time of invocation of callee rather
+ than the time scaled by edge frequency; update hints code.
+ (do_estimate_edge_hints): Update.
+ (do_estimate_growth): Cleanup.
+
+2012-11-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/55194
+ * dwarf2out.c (value_format) <case dw_val_class_high_pc>: Handle
+ also DWARF2_ADDR_SIZE 1 and 2.
+
+2012-11-05 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-niter.c (find_loop_niter): Remove just_once_each_iteration_p.
+ (maybe_lower_iteration_bound): Initialize not_executed_last_iteration to NULL
+ * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Skip
+ just_once_each_iteration_p; record estimated bound when loop has only one
+ likely exit; test just_once_each_iteration_p before IV canon itself.
+
+2012-11-05 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (leaf_node_p): Rename to ...
+ (num_calls) ... this one.
+ (want_early_inline_function_p): Allow smal growth on non-leafs.
+
+2012-11-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/54402
+ * var-tracking.c (fp_setter): Return false if there is REG_CFA_RESTORE
+ hfp note.
+ (vt_initialize): Look for fp_setter in any bb, not just successor of
+ entry bb.
+
+2012-11-05 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h (TARGET_CACHE32, TARGET_HARVARD): Delete macro.
+ (TARGET_SUPERSCALAR): Add TARGET_SH2A.
+ (CACHE_LOG): Use TARGET_HARD_SH4 and TARGET_SH5 instead of
+ TARGET_CACHE32.
+ (TRAMPOLINE_ALIGNMENT): Use TARGET_HARD_SH4 and TARGET_SH5 instead of
+ TARGET_HARVARD.
+ * config/sh/sh.c (sh_trampoline_init): Likewise.
+
+2012-11-05 David Edelsohn <dje.gcc@gmail.com>
+
+ * system.h (loc_t): Poison.
+
+2012-11-05 Marc Glisse <marc.glisse@inria.fr>
+
+ * fold-const.c (fold_unary_loc): Disable conversion optimization
+ for void type.
+
+2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
+
+ * configure: Regenerate.
+
+2012-11-04 Eric Botcazou <ebotcazou@adacore.com>
+
+ * combine.c: Adjust toplevel comment.
+ (make_extraction): Adjust head comment and move up canonicalization.
+
+2012-11-04 Alexandre Oliva <aoliva@redhat.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/54693
+ * tree-ssa-loop-ivopts.c (remove_unused_ivs): Emit debug temps
+ for dropped IV sets.
+
+2012-11-04 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54693
+ * tree-ssa-threadedge.c (propagate_threaded_block_debug_into):
+ New, rewritten from debug stmt copying code...
+ (thread_around_empty_block): ... removed from here.
+ (thread_across_edge): Call propagate_threaded_block_debug_into.
+
+2012-11-04 Dehao Chen <dehao@google.com>
+
+ * expr.c (expand_expr_real_1): Change to not using input_location.
+
+2012-11-03 Jan Hubicka <jh@suse.cz>
+
+ * invoke.texi (profile-use): update documentation.
+ * opts.c (common_handle_option): Enable tree-vectorize
+ and tree-loop-distribute-patterns.
+ * tree-loop-distribution.c (tree_loop_distribution): Skip loops
+ optimized for size.
+ * config/i386/i386.c (ix86_option_override_internal): Enabe
+ prefetch_lop_arrays for profile-use.
+
+2012-11-03 Robert Mason <rbmj@verizon.net>
+
+ * gcov-io.c (gcov_open): Add file mode to open call (need for VxWorks)
+
+2012-11-03 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/extend.texi: Copy-edit to use present tense except when
+ explicitly describing future or past behavior.
+
+2012-11-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.c (output_movedouble, output_far_jump,
+ output_ieee_ccmpeq): Use multi-line strings for asm.
+ (find_regmode_weight): Wrap lines.
+ (sh_optimize_target_register_callee_saved): Remove commented out
+ variable.
+ (emit_load_ptr): Remove prototype.
+
+2012-11-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md (*cbranch_t): Allow splitting after reload.
+ Allow going beyond current basic block before reload when looking for
+ the reg set insn.
+ * config/sh/sh.c (sh_find_set_of_reg): Don't stop at labels.
+
+2012-11-02 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk): Add
+ missing sign to unsigned.
+
+2012-11-02 Andrew Pinski <apinski@cavium.com>
+
+ PR rtl-opt/54524
+ * simplify-rtx.c (simplify_relational_operation_1): Don't simplify
+ (LTU/GEU (PLUS a 0) 0) into (GEU/LTU a 0) since they are not
+ equivalent.
+
+2012-11-02 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-niter.c (double_int_cmp, bound_index,
+ discover_iteration_bound_by_body_walk): New functions.
+ (discover_iteration_bound_by_body_walk): Use it.
+
+2012-11-02 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (predict_loops): Predict also exits not dominating latch.
+
+2012-11-02 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (predict_loops): Do not predict infinite loops.
+
+2012-11-02 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/55079
+ * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
+ MAX field if NITER was folded to contant.
+ (record_estimate): Sanity check.
+ * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): New
+ function.
+ (remove_redundant_iv_test): New function.
+ (loops_to_unloop, loops_to_unloop_nunroll): New static vars.
+ (unloop_loops): Break out from ...
+ (try_unroll_loop_completely): ... here; Pass in MAXITER; use
+ remove_exits_and_undefined_stmts; do not unloop.
+ (canonicalize_loop_induction_variables): Compute MAXITER;
+ use remove_redundant_iv_test; remove loop_close_ssa_invalidated
+ and irred_invalidated arguments.
+ (canonicalize_induction_variables): Compute fresh bound estimates;
+ unloop; walk from innermost.
+ (tree_unroll_loops_completely): Likewise.
+
+2012-11-02 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR middle-end/55130
+ * lra-constraints.c (debug_loc_equivalence_change_p): Rename to
+ loc_equivalence_change_p.
+ (lra_constraints): Check equiv_insn_bitmap for debug insn. Call
+ loc_equivalence_change_p for non-transformed insn.
+
+2012-11-02 Eric Botcazou <ebotcazou@adacore.com>
+
+ * cfg-flags.def (ABNORMAL_CALL): Fix comment.
+ (EH): Likewise.
+ (SIBCALL): Likewise.
+ * cfgrtl.c (rtl_verify_flow_info_1): Adjust error messages.
+ Deal with EDGE_SIBCALL and fix the EDGE_ABNORMAL check.
+
+2012-11-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/55147
+ * config/i386/i386.md (bswapdi2): Limit to TARGET_64BIT.
+ (*bswapdi2_doubleword): Removed.
+
+2012-11-02 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/install.texi (Specific): Remove moxie web reference.
+
+2012-11-01 Marc Glisse <marc.glisse@inria.fr>
+
+ PR middle-end/55001
+ * tree-vect-generic.c (expand_vector_condition): New function.
+ (expand_vector_operations_1): Call it.
+
+2012-11-01 Steve Ellcey <sellcey@mips.com>
+
+ * target-globals.c (save_target_globals): Save lra_int struct.
+
+2012-11-01 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/standards.texi (Standards): Adjust reference to Go specification.
+
+2012-11-01 Lawrence Crowl <crowl@google.com>
+
+ * ebitmap.h: Remove unused.
+ * ebitmap.c: Remove unused.
+ * Makefile.in: Remove ebitmap.h and ebitmap.c.
+ * sbitmap.h (SBITMAP_SIZE_BYTES): Move to source file.
+ (SET_BIT_WITH_POPCOUNT): Remove unused.
+ (RESET_BIT_WITH_POPCOUNT): Remove unused.
+ (bitmap_copy_n): Remove unused.
+ (bitmap_range_empty_p): Remove unused.
+ (sbitmap_popcount): Remove unused.
+ (sbitmap_verify_popcount): Make private to source file.
+ * sbitmap.c (SBITMAP_SIZE_BYTES): Move here from header.
+ (bitmap_copy_n): Remove unused.
+ (bitmap_range_empty_p): Remove unused.
+ (sbitmap_popcount): Remove unused.
+ (sbitmap_verify_popcount): Make private to source file.
+
+2012-11-01 Lawrence Crowl <crowl@google.com>
+
+ * sbitmap.h (sbitmap_iter_init): Rename bmp_iter_set_init and add
+ unused parameter to match bitmap iterator. Update callers.
+ (sbitmap_iter_cond): Rename bmp_iter_set. Update callers.
+ (sbitmap_iter_next): Rename bmp_iter_next and add unused parameter to
+ match bitmap iterator. Update callers.
+ (EXECUTE_IF_SET_IN_SBITMAP_REV): Remove unused.
+ (EXECUTE_IF_SET_IN_SBITMAP): Rename EXECUTE_IF_SET_IN_BITMAP and
+ adjust to be identical to the definition in bitmap.h. Conditionalize
+ the definition based on not having been defined. Update callers.
+ * bitmap.h (EXECUTE_IF_SET_IN_BITMAP): Conditionalize the definition
+ based on not having been defined. (To match the above.)
+
+2012-11-01 Lawrence Crowl <crowl@google.com>
+
+ * sbitmap.h (TEST_BIT): Rename bitmap_bit_p, normalizing parameter
+ type. Update callers to match.
+ (SET_BIT): Rename bitmap_set_bit, normalizing parameter type. Update
+ callers to match.
+ (SET_BIT_WITH_POPCOUNT): Rename bitmap_set_bit_with_popcount,
+ normalizing parameter type. Update callers to match.
+ (RESET_BIT): Rename bitmap_clear_bit, normalizing parameter type.
+ Update callers to match.
+ (RESET_BIT_WITH_POPCOUNT): Rename bitmap_clear_bit_with_popcount,
+ normalizing parameter type. Update callers to match.
+ * basic-block.h (sbitmap_intersection_of_succs): Rename
+ bitmap_intersection_of_succs. Update callers to match.
+ * basic-block.h (sbitmap_intersection_of_preds): Rename
+ bitmap_intersection_of_preds. Update callers to match.
+ * basic-block.h (sbitmap_union_of_succs): Rename
+ bitmap_union_of_succs. Update callers to match.
+ * basic-block.h (sbitmap_union_of_preds): Rename
+ bitmap_union_of_preds. Update callers to match.
+
+2012-11-01 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR middle-end/55150
+ * lra-constraints.c (lra_constraints): Check only pseudos with
+ equivalences. Add insns with equivalence pseudos.
+
+2012-11-01 Sharad Singhai <singhai@google.com>
+
+ PR other/55164
+ * dumpfile.h (struct dump_file_info): Fix order of flags.
+
+2012-11-01 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/55104
+ * ipa-inline-transform.c (inline_call): Silence an sanity check until
+ ipa-cp issue if fixed.
+
+2012-11-01 Sharad Singhai <singhai@google.com>
+
+ * doc/invoke.texi: Update -fopt-info documentation.
+ * dumpfile.c: Move dump_flags here from passes.c.
+ Rename opt_info_options to optinfo_verbosity_options.
+ Add optgroup_options.
+ (dump_files): Add field for optinfo_flags in the static initializer.
+ (dump_register): Handle additional parameter for optgroup_flags.
+ (opt_info_enable_passes): Renamed opt_info_enable_all. Handle
+ optgroup_flags. Fix documentation.
+ (opt_info_switch_p_1): Handle optgroup options.
+ (opt_info_switch_p): Handle optgroup_flags. Warn on multiple files.
+ * dumpfile.h (dump_register): Additional argument for optgroup_flags.
+ All callers updated.
+ (struct dump_file_info): Add field for optgroup_flags.
+ Define OPTGROUP_* flags.
+ * tree-pass.h (struct opt_pass): Add addtional field for optinfo_flags.
+ All opt_pass static initializers updated.
+ * opts-global.c (dump_remap_tree_vectorizer_verbose): Use 'all'
+ instead of 'optall'.
+ (handle_common_deferred_options): Fix typo in error message.
+ * passes.c (register_one_dump_file): Add argument for optgroup_flags.
+ Turn on OPTGROUP_IPA for IPA passes.
+ Move dump_flags from here to dumpfile.c.
+ * statistics.c (statistics_early_init): Use OPTGROUP_NONE in call to
+ dump_register.
+
+2012-11-01 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ PR target/55160
+ * config/sh/sh.md (doloop_end): Use emit_jump_insn.
+
+2012-10-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53708
+ * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
+ user-supplied alignment when used with an explicit section name.
+
+2012-10-31 Dehao Chen <dehao@google.com>
+
+ * tree-eh.c (do_return_redirection): Set location for jump statement.
+ (do_goto_redirection): Likewise.
+ (frob_into_branch_around): Likewise.
+ (lower_try_finally_nofallthru): Likewise.
+ (lower_try_finally_copy): Likewise.
+ (lower_try_finally_switch): Likewise.
+ * expr.c (store_expr): Use current insn location instead of expr
+ location.
+ (expand_expr_real): Likewise.
+ (expand_expr_real_1): Likewise.
+
+2012-10-31 Easwaran Raman <eraman@google.com>
+
+ PR target/54938
+ PR middle-end/54957
+ * optabs.c (emit_cmp_and_jump_insn_1): Add REG_BR_PROB note
+ only if it doesn't already exist.
+ * stmt.c (get_outgoing_edge_probs): Return 0 if BB is NULL.
+ (emit_case_dispatch_table): Handle the case where STMT_BB is NULL.
+ (expand_sjlj_dispatch_table): Pass BB containing before_case
+ to emit_case_dispatch_table.
+
+2012-10-31 Lawrence Crowl <crowl@google.com>
+
+ * is-a.h: New.
+ (is_a <T> (U*)): New. Test for is-a relationship.
+ (as_a <T> (U*)): New. Treat as a derived type.
+ (dyn_cast <T> (U*)): New. Conditionally cast based on is_a.
+ * cgraph.h (varpool_node): Rename to varpool_node_for_decl.
+ Adjust callers to match.
+ (is_a_helper <cgraph_node>::test (symtab_node_def *)): New.
+ (is_a_helper <varpool_node>::test (symtab_node_def *)): New.
+ (symtab_node_def::try_function): New. Change most calls to
+ symtab_function_p with calls to dyn_cast <cgraph_node> (p).
+ (symtab_node_def::try_variable): New. Change most calls to
+ symtab_variable_p with calls to dyn_cast <varpool_node> (p).
+ (symtab_function_p): Remove. Change callers to use
+ is_a <cgraph_node> (p) instead.
+ (symtab_variable_p): Remove. Change callers to use
+ is_a <varpool_node> (p) instead.
+ * cgraph.c (cgraph_node_for_asm): Remove redundant call to
+ symtab_node_for_asm.
+ * cgraphunit.c (symbol_finalized_and_needed): New.
+ (symbol_finalized): New.
+ (cgraph_analyze_functions): Split complicated conditionals out into
+ above new functions.
+ * Makefile.in (CGRAPH_H): Add is-a.h as used by cgraph.h.
+
+2012-10-31 Steven Bosscher <steven@gcc.gnu.org>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/55018
+ * basic-block.h (dfs_find_deadend): New prototype.
+ * cfganal.c (dfs_find_deadend): No longer static. Use bitmap
+ instead of sbitmap for visited.
+ (flow_dfs_compute_reverse_execute): Use dfs_find_deadend here, too.
+ * dominance.c (calc_dfs_tree): If saw_unconnected, traverse from
+ dfs_find_deadend of unconnected b instead of b directly.
+
+2012-10-31 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
+ special register pushes before frame probing and allocation.
+
+2012-10-31 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR middle-end/55150
+ * lra-constraints.c (lra_constraints): Update debug insn info
+ after equivalence change.
+
+2012-10-31 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (ipa_inline): Avoid infinite loop on inlining
+ empty virtual functions calling themselves.
+
+2012-10-31 Tom Tromey <tromey@redhat.com>
+
+ PR other/50899
+ * doc/gcc.texi: Add @direntry for gcov.
+
+2012-10-31 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * expr.c (can_move_by_pieces): Apply ATTRIBUTE_UNUSED to len.
+
+2012-10-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/19105
+ PR tree-optimization/21643
+ PR tree-optimization/46309
+ * tree-ssa-reassoc.c (init_range_entry): Add STMT argument
+ and use it if EXP is NULL.
+ (update_range_test): Handle OPCODE equal to ERROR_MARK and oe->op NULL.
+ (optimize_range_tests): Likewise.
+ (final_range_test_p, suitable_cond_bb, no_side_effect_bb, get_ops,
+ maybe_optimize_range_tests): New functions.
+ (reassociate_bb): Call maybe_optimize_range_tests if last
+ stmt of bb is GIMPLE_COND that hasn't been visited yet.
+
+2012-10-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/rs6000/rs6000.md (insvsi, insvdi, extvsi, extvdi): Rename
+ to...
+ (insvsi_internal, insvdi_internal, extvsi_internal)
+ (extvdi_internal): ...this.
+ (insv, extv): Update accordingly.
+
+2012-10-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * combine.c (simplify_comparison): If BITS_BIG_ENDIAN, always assume
+ that zero_extracts of const_ints are doing word-sized extractions.
+
+2012-10-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * combine.c (make_extraction): Remove dead wanted_inner_mode-
+ and pos_rtx-related code.
+
+2012-10-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expmed.c (store_bit_field_1): Move generation of MEM insvs
+ to the MEM_P block.
+ (extract_bit_field_1): Likewise extvs and extzvs.
+
+2012-10-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expmed.c (store_bit_field_using_insv): New function,
+ split out from...
+ (store_bit_field_1): ...here.
+ (extract_bit_field_using_extv): New function, split out from...
+ (extract_bit_field_1): ...here.
+
+2012-10-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expmed.c (store_bit_field_1): Use OP_MODE to check whether an
+ insv pattern is available. Remove redundant checks for OP_MODE
+ being MAX_MACHINE_MODE.
+ (extract_bit_field_1): Remove redundant checks for EXT_MODE being
+ MAX_MACHINE_MODE.
+
+2012-10-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expmed.c (store_bit_field_1): Remove test for BLKmode values.
+
+2012-10-31 Ralf Corsépius <ralf.corsepius@rtems.org>,
+ Joel Sherrill <joel.sherrill@oarcorp.com>
+
+ * config/sparc/t-rtems: New (Custom multilibs).
+ * config/sparc/t-rtems-64: New (Custom multilibs).
+ * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
+ (sparc-*-rtems*): Add sparc/t-rtems.
+
+2012-10-31 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (legitimize_reload_address): Remove code
+ handling non-aligned ld/std.
+ * config/rs6000/paired.md (movv2sf_paired): Use 'Y' instead of 'o'.
+ * config/rs6000/vsx.md (vsx_mov, vsx_movti): Likewise.
+ * config/rs6000/altivec.md (altivec_mov, altivec_movti): Likewise.
+ * config/rs6000/dfp.md (movtd_internal): Use 'm' instead of 'o'.
+
+2012-10-31 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/linux64.h (TARGET_OS_CPP_BUILTINS): Define _CALL_LINUX.
+
+2012-10-31 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * lra-constraints.c (choose_split_class): Add ATTRIBUTE_UNUSED to
+ hard_reg_class.
+
+ PR target/52498
+ * vmsdbgout.c (vmsdbgout_write_source_line): Comment out names of
+ last two parameters.
+
+2012-10-30 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54551
+ PR debug/54693
+ * valtrack.c (dead_debug_promote_uses): Assert-check that
+ global used bit was clear and initialize entry unconditionally.
+
+2012-10-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
+ head comment.
+ (hash_rtx): Likewise.
+
+2012-10-30 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR rtl-optimization/55093
+ * rtlanal.c (simplify_subreg_regno): Remove lra_in_progress
+ check for ARG_POINTER_REGNUM.
+
+2012-10-30 Steve Ellcey <sellcey@mips.com>
+
+ * config/mips/mti-linux.h (SYSROOT_SUFFIX_SPEC): Change order
+ and add mabi=64.
+ (DRIVER_SELF_SPECS): Make -n32 the default on mips64* archs.
+ * config/mips/t-mti-linux (MULTILIB_OPTIONS): Change order.
+ (MULTILIB_DIRNAMES): Ditto.
+ (MULTILIB_EXCEPTIONS): New.
+
+2012-10-30 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * lra-constraints.c (check_secondary_memory_needed_p):
+ Add ATTRIBUTE_UNUSED to parameters.
+
+2012-10-30 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * defaults.h (SLOW_UNALIGNED_ACCESS): Provide default definition.
+ * expmed.c (SLOW_UNALIGNED_ACCESS): Remove default definition.
+ * expr.c (SLOW_UNALIGNED_ACCESS): Likewise.
+ * lra-constraints.c (SLOW_UNALIGNED_ACCESS): Likewise.
+ (simplify_operand_subreg): Don't check STRICT_ALIGNMENT here.
+
+2012-10-30 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline-analysis.c (eliminated_by_inlining_prob): Cleanup.
+
+2012-10-30 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-niter.c (number_of_iterations_exit): New parameter
+ EVERY_ITERATION with implicit value of true.
+ (record_estimate): Check dominance relationship of the basic block
+ we are estimating on instead of relying on UPPER to be false.
+ (struct ilb_data): Drop RELIABLE.
+ (idx_infer_loop_bounds): Update.
+ (infer_loop_bounds_from_ref): Drop parameter RELIABLE.
+ (infer_loop_bounds_from_array): Drop parameter RELIABLE.
+ (infer_loop_bounds_from_undefined): Update comments and handling
+ of RELIABLE.
+ (estimate_numbers_of_iterations_loop): Record all bounds.
+
+2012-10-30 Richard Sandiford <r.sandiford@uk.ibm.com>
+
+ * lra-eliminations.c (lra_eliminate_regs_1): Use simplify_gen_subreg
+ rather than gen_rtx_SUBREG.
+
+2012-10-30 Richard Biener <rguenther@suse.de>
+
+ * gimple.h (gimple_store_p): New predicate.
+ (gimple_assign_load_p): Likewise.
+ * tree-inline.c (estimate_num_insns): Use it.
+
+2012-10-30 Marc Glisse <marc.glisse@inria.fr>
+
+ * fold-const.c (fold_binary_op_with_conditional_arg): Handle vectors.
+ (fold_binary_loc): Call it for VEC_COND_EXPR.
+
+2012-10-30 James Greenhalgh <james.greenhalgh@arm.com>
+ Tejas Belagod <tejas.belagod@arm.com>
+
+ * config/aarch64/aarch64-simd.md
+ (aarch64_simd_bsl<mode>_internal): New pattern.
+ (aarch64_simd_bsl<mode>): Likewise.
+ (aarch64_vcond_internal<mode>): Likewise.
+ (vcondu<mode><mode>): Likewise.
+ (vcond<mode><mode>): Likewise.
+ * config/aarch64/iterators.md (UNSPEC_BSL): Add to define_constants.
+
+2012-10-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/55111
+ * tree-ssa-pre.c (eliminate_insert): Properly fold the built stmt.
+
+2012-10-30 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54963
+ * config/sh/iterators.md (SIDI): New mode iterator.
+ * config/sh/sh.md (negdi2): Use parallel around operation and T_REG
+ clobber in expander.
+ (*negdi2): Mark output operand as early clobbered. Add T_REG clobber.
+ Split after reload. Simplify split code.
+ (abssi2, absdi2): Fold expanders into abs<mode>2.
+ (*abssi2, *absdi2): Fold into *abs<mode>2 insn_and_split. Split insns
+ before reload.
+ (*negabssi2, *negabsdi2): Fold into *negabs<mode>2. Add T_REG clobber.
+ Split insns before reload.
+ (negsi_cond): Reformat. Use emit_move_insn instead of gen_movesi.
+ (negdi_cond): Reformat. Use emit_move_insn instead of a pair
+ of gen_movsi. Split insn before reload.
+
+2012-10-30 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53988
+ * config/sh/sh.md (tstqi_t_zero): Rename to *tstqi_t_zero.
+ (*tst<mode>_t_zero): New insns.
+ * config/sh/iterators.md (lowpart_be, lowpart_le): New mode attributes.
+
+2012-10-30 H.J. Lu <hongjiu.lu@intel.com>
+
+ * gimple-pretty-print.c (dump_gimple_bb_header): Avoid alloca.
+
+2012-10-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/54953
+ * valtrack.h (DEBUG_TEMP_AFTER_WITH_REG_FORCE): New.
+ * valtrack.c (dead_debug_insert_temp): Use emit_debug_insn_after
+ even for where == DEBUG_TEMP_AFTER_WITH_REG_FORCE.
+ * dce.c (word_dce_process_block, dce_process_block): Pass
+ DEBUG_TEMP_AFTER_WITH_REG_FORCE if insn is needed and therefore
+ not going to be eliminated.
+
+2012-10-29 Lawrence Crowl <crowl@google.com>
+
+ * sbitmap.h (sbitmap_copy): Rename bitmap_copy.
+ (sbitmap_copy_n): Rename bitmap_copy_n.
+ (sbitmap_equal): Rename bitmap_equal_p.
+ (sbitmap_empty_p): Rename bitmap_empty_p.
+ (sbitmap_range_empty_p): Rename bitmap_range_empty_p.
+ (sbitmap_zero): Rename bitmap_clear.
+ (sbitmap_ones): Rename bitmap_ones.
+ (sbitmap_vector_zero): Rename bitmap_vector_clear.
+ (sbitmap_vector_ones): Rename bitmap_vector_ones.
+ (sbitmap_not): Rename bitmap_not.
+ (sbitmap_a_and_b_cg): Commented out.
+ (sbitmap_a_and_b): Rename bitmap_and. Add bool return.
+ (sbitmap_difference): Rename bitmap_and_compl.
+ (sbitmap_a_or_b_cg): Commented out.
+ (sbitmap_a_or_b): Rename bitmap_xor. Add bool return.
+ (sbitmap_a_xor_b_cg): Commented out.
+ (sbitmap_a_xor_b): Rename bitmap_xor. Add bool return.
+ (sbitmap_a_and_b_or_c_cg): Rename bitmap_and_or.
+ (sbitmap_a_and_b_or_c): Commented out.
+ (sbitmap_a_or_b_and_c_cg): Rename bitmap_or_and.
+ (sbitmap_a_or_b_and_c): Commented out.
+ (sbitmap_union_of_diff_cg): Rename bitmap_ior_and_compl.
+ (sbitmap_union_of_diff): Commented out.
+ (dump_sbitmap): Rename dump_bitmap.
+ (dump_sbitmap_file): Rename dump_bitmap_file.
+ (debug_sbitmap): Rename debug_bitmap.
+ (dump_sbitmap_vector): Rename dump_bitmap_vector.
+ (sbitmap_first_set_bit): Rename bitmap_first_set_bit.
+ (sbitmap_last_set_bit): Rename bitmap_last_set_bit.
+ (sbitmap_a_subset_b_p): Rename bitmap_subset_p.
+ (sbitmap_any_common_bits): Rename bitmap_intersect_p.
+ (#define sbitmap_free): Reimplement as inline function.
+ (#define sbitmap_vector_free): Reimplement as inline function.
+ * bitmap.h (#define bitmap_zero): Remove as redundant.
+ (#define bitmap_empty_p): Reimplement as inline function.
+ (#define dump_bitmap): Reimplement as inline function.
+
+2012-10-29 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ PR c++/54930
+ * doc/invoke.texi (Warning Options): Document -Wno-return-local-addr.
+
+2012-10-29 H.J. Lu <hongjiu.lu@intel.com>
+
+ * lra-assigns.c: Remove trailing white spaces.
+ * lra-coalesce.c: Likewise.
+ * lra-constraints.c: Likewise.
+ * lra-eliminations.c: Likewise.
+ * lra-int.h: Likewise.
+ * lra-spills.c: Likewise.
+ * lra.c: Likewise.
+
+2012-10-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c/53066
+ * tree.h (FUNCTION_POINTER_TYPE_P): New.
+
+2012-10-29 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54693
+ * valtrack.c (dead_debug_insert_temp): Defer rescan of
+ newly-emitted debug insn.
+
+2012-10-29 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54693
+ * tree-ssa-threadedge.c (thread_around_empty_block): Copy
+ debug temps from predecessor before threading.
+
+2012-10-29 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54551
+ PR debug/54693
+ * valtrack.c (dead_debug_global_find): Accept NULL dtemp.
+ (dead_debug_global_insert): Return new entry.
+ (dead_debug_global_replace_temp): Return early if REG is no
+ longer in place, or if dtemp was already substituted.
+ (dead_debug_promote_uses): Insert for all defs and replace all
+ debug uses at once.
+ (dead_debug_local_finish): Release used after promotion.
+ (dead_debug_insert_temp): Stop if dtemp is NULL.
+
+2012-10-29 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54693
+ * loop-unroll.c (loop_exit_at_end_p): Skip debug insns.
+
+2012-10-29 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54693
+ * config/i386/i386.c (add_parameter_dependencies): Stop
+ backward scan at the insn before the incoming head.
+ (ix86_dependencies_evaluation_hook): Skip debug insns. Stop
+ if first_arg is head.
+
+2012-10-29 Andrew Pinski <apinski@cavium.com>
+
+ * config/aarch64/aarch64-protos.h (aarch64_load_tp): New proto.
+ * config/aarch64/aarch64.c (aarch64_load_tp): Export.
+ (aarch64_init_builtins): Don't add __builtin_thread_pointer builtin.
+ * config/aarch64/aarch64.h (aarch64_builtins): Delete
+ AARCH64_BUILTIN_THREAD_POINTER.
+ * config/aarch64/aarch64.md (get_thread_pointerdi): New pattern.
+
+2012-10-29 Marc Glisse <marc.glisse@inria.fr>
+
+ PR middle-end/55027
+ * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
+ Handle VECTOR_CST.
+
+2012-10-29 Vladimir Makarov <vmakarov@redhat.com>
+
+ * rtlanal.c (strip_address_mutation): Use SUBREG_REG instead of XEXP.
+
+2012-10-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_decompose_address): Use simplify_gen_subreg
+ for all addresses, zero-extended with AND.
+
+2012-10-29 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR middle-end/55116
+ * rtlanal.c (strip_address_mutation): Add SUBREG case.
+
+2012-10-29 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (want_inline_function_called_once_p): Rename to ...
+ (want_inline_function_to_all_callers_p): check also functions with
+ multiple callers.
+ (ipa_inline): Handle inlining for size into multiple callers.
+
+2012-10-29 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53695
+ * tracer.c (tracer): Fixup loop structure.
+ * cfgloopmanip.c (force_single_succ_latches): Add assert.
+ (fix_loop_structure): Re-compute loop latches and disambiguate
+ loops with multiple latches if required.
+
+2012-10-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_decompose_address): Use simplify_gen_subreg
+ to check SImode equivalent of address, zero-extended with AND RTX.
+ * config/i386/i386.md (ashift to lea splitter): Split to SImode mult.
+ (simple lea to add/shift peephole2s): Remove peephole2s that operate
+ on subregs of DImode operations.
+
+2012-10-28 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55106
+ * lra-constraints.c (skip_usage_debug_insns): New function.
+ (check_secondary_memory_needed_p): Ditto.
+ (inherit_reload_reg): Use the new functions. Improve debug output.
+
+2012-10-29 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/cpp.texi (Search Path): Fix outdated C++ path.
+
+2012-10-28 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle
+ &this->field expressions.
+
+2012-10-28 Vladimir Makarov <vmakarov@redhat.com>
+
+ * rtl.h (struct rtx_def): Add a comment for member unchanging.
+ * lra-int.h (LRA_TEMP_CLOBBER_P): New macro.
+ (lra_hard_reg_substitution): Rename to lra_final_code_change.
+ * lra-constraints.c (match_reload): Mark temporary clobbers.
+ * lra-spill.c (lra_hard_reg_substitution): Rename to
+ lra_final_code_change. Remove temporary clobbers.
+ * lra.c (lra): Rename to lra_final_code_change.
+
+2012-10-28 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (edge_badness): Fix overflow.
+ (inline_small_functions): Initialize SCCs correctly.
+ (do_estimate_edge_time, do_estimate_edge_hints): Skip self
+ recursive functions in SCC hints.
+
+2012-10-28 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/38711
+ * ira.c (ira): Remove DF_LIVE if the problem is in the stack.
+ (do_reload): Add it back at the end for -O2 and higher.
+
+ * function.c (thread_prologue_and_epilogue_insns): Use
+ REG_SET_TO_HARD_REG_SET instead of CLEAR_HARD_REG_SET and
+ reg_set_to_hard_reg_set.
+
+2012-10-28 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (edge_badness): Reduce precision; use scc hints.
+ (inline_small_functions): Fix dumps; update all callees after inlining.
+ * ipa-inline.h (INLINE_HINT_in_scc, INLINE_HINT_same_scc): New
+ constants.
+ (inline summary): Add SCC_NO.
+ * ipa-inline-analysis.c (dump_inline_hints): Dump SCC hints.
+ (reset_inline_summary): Reset scc_no.
+ (estimate_node_size_and_time): Set in_scc hint.
+ (do_estimate_edge_time): Add same_scc hint.
+ (do_estimate_edge_hints): Likewise.
+
+2012-10-28 Andreas Schwab <schwab@linux-m68k.org>
+
+ * doc/cppopts.texi: Fix use of @item vs. @itemx inside @table.
+ * doc/extend.texi: Likewise.
+ * doc/generic.texi: Likewise.
+ * doc/invoke.texi: Likewise.
+ * doc/md.texi: Likewise.
+ * doc/sourcebuild.texi: Likewise.
+
+ * doc/tm.texi.in (Misc): Add newline before @end.
+ * doc/tm.texi: Update.
+
+2012-10-27 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * lra-assigns.c (find_hard_regno_for): Fix use of WORDS_BIG_ENDIAN.
+
+2012-10-27 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/55034
+ * config/avr/avr.c (avr_out_lpm): Remove unused regno_dest.
+
+2012-10-27 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/55042
+ * config/sh/sh.c (sh1_builtin_p): Comment out unused function.
+
+2012-10-27 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*lea<mode>): Remove unneeded temporary.
+
+2012-10-26 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/constraints.md: Update unused letter list, move
+ "w" near other memory constraints. Remove no longer relevant
+ comment.
+ * doc/md.texi: Sync sparc constraint documentation with reality.
+
+2012-10-26 DJ Delorie <dj@redhat.com>
+
+ * config/rl78/rl78.c (rl78_as_legitimate_address): Do not allow
+ reg+addend addresses for the _far namespace.
+
+2012-10-26 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/sync.md (ATOMIC): Correct DI condition.
+
+2012-10-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/54970
+ * cfgexpand.c (expand_debug_expr): Expand &MEM_REF[&var, n]
+ as DEBUG_IMPLICIT_PTR + n if &var expands to DEBUG_IMPLICIT_PTR.
+ * tree-sra.c (create_access_replacement): Allow also MEM_REFs
+ with ADDR_EXPR first operand in DECL_DEBUG_EXPR expressions.
+ * var-tracking.c (track_expr_p): Handle MEM_REFs in DECL_DEBUG_EXPR
+ expressions.
+ * dwarf2out.c (add_var_loc_to_decl): Likewise.
+
+2012-10-26 Jeff Law <law@redhat.com>
+
+ * tree-ssa-threadedge.c (cond_arg_set_in_bb): Use last stmt.
+
+2012-10-26 Gunther Nikl <gnikl@users.sourceforge.net>
+
+ * common/config/m68k/m68k-common.c (m68k_handle_option): Set
+ gcc_options fields of opts_set for -m68020-40 and -m68020-60.
+
+2012-10-26 Teresa Johnson <tejohnson@google.com>
+
+ * ree.c (add_removable_extension): Remove unnecessary
+ mode check with other extension.
+ * testsuite/gcc.c-torture/execute/20111227-2.c: New test.
+ * testsuite/gcc.c-torture/execute/20111227-3.c: Ditto.
+
+2012-10-26 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline-transform.c (inline_call): Only account size changes
+ for !DECL_EXTERNAL.
+
+2012-10-26 Martin Jambor <mjambor@suse.cz>
+
+ PR debug/54971
+ * tree-sra.c (struct access): New flag grp_to_be_debug_replaced.
+ (dump_access): Dump the new flag.
+ (analyze_access_subtree): Set the new flag when appropriate.
+ (create_access_replacement): Handle debug replacements differently.
+ (generate_subtree_copies): Handle the grp_to_be_debug_replaced flag.
+ (init_subtree_with_zero): Likewise.
+ (sra_modify_expr): Likewise.
+ (load_assign_lhs_subreplacements): Likewise.
+ (sra_modify_assign): Likewise.
+
+2012-10-23 Yuri Rumyantsev <ysrumyan@gmail.com>
+
+ * config/i386/i386.c (insn_is_function_arg) : Add check on CALL
+ instruction.
+ (ix86_dependencies_evaluation_hook): Insert dependencies in all
+ predecessors of call block for non-trivial region avoiding creation
+ of loop-carried dependency to avoid cross-block motion of HW registers.
+
+2012-10-26 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/54824
+ * tree-optimize.c (execute_fixup_cfg): Insert __builtin_unreachable
+ at the end of blocks with no successors.
+
+2012-10-26 Alexander Ivchenko <alexander.ivchenko@intel.com>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ * common/config/i386/i386-common.c
+ (OPTION_MASK_ISA_FXSR_SET): New.
+ (OPTION_MASK_ISA_XSAVE_SET): Likewise.
+ (OPTION_MASK_ISA_XSAVEOPT_SET): Likewise.
+ (ix86_handle_option): Handle mfxsr, mxsave, mxsaveopt options.
+ * config.gcc (i[34567]86-*-*): Add fxsrintrin.h,
+ xsaveintrin.h, xsaveoptintrin.h.
+ (x86_64-*-*): Likewise.
+ * config/i386/fxsrintrin.h: New header.
+ * config/i386/xsaveintrin.h: Likewise.
+ * config/i386/xsaveoptintrin.h: Likewise.
+ * config/i386/driver-i386.c (host_detect_local_cpu): Detect
+ FXSR/XSAVE/XSAVEOPT support.
+ * config/i386/i386-builtin-types.def
+ (VOID_FTYPE_PVOID_INT64): New function type.
+ * config/i386/i386-c.c: Define __FXSR__, __XSAVE__
+ and __XSAVEOPT__ if needed.
+ * config/i386/i386.c (ix86_target_string): Define -mfxsr,
+ -mxsave and -mxsaveopt options.
+ (PTA_FXSR): New.
+ (PTA_XSAVE): Likewise.
+ (PTA_XSAVEOPT): Likewise.
+ (ix86_option_override_internal): Handle new option.
+ (processor_alias_table): Added PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT.
+ (ix86_valid_target_attribute_inner_p): Add OPT_mfxsr,
+ OPT_mxsave, OPT_mxsaveopt.
+ (ix86_builtins): Add IX86_BUILTIN_FXSAVE, IX86_BUILTIN_FXRSTOR,
+ IX86_BUILTIN_FXSAVE64, IX86_BUILTIN_XSAVE, IX86_BUILTIN_XSAVE64,
+ IX86_BUILTIN_XRSTOR, IX86_BUILTIN_XRSTOR64, IX86_BUILTIN_XSAVEOPT,
+ IX86_BUILTIN_XSAVEOPT64.
+ (ix86_expand_builtin): Handle these built-ins.
+ * config/i386/i386.h (TARGET_FXSR): New.
+ (TARGET_XSAVE): Likewise.
+ (TARGET_XSAVEOPT): Likewise.
+ * config/i386/i386.md (ANY_XSAVE): New int iterator.
+ (ANY_XSAVE64): Likewise.
+ (xsave): New int attribute.
+ (fxsave): New instruction.
+ (fxsave64): Likewise.
+ (fxrstor): Likewise.
+ (fxrstor64): Likewise.
+ (<xsave>): Likewise.
+ (<xsave>_rex64): Likewise.
+ (xrstor): Likewise.
+ (xrstor_rex64): Likewise.
+ (xrstor64): Likewise.
+ * config/i386/i386.opt (mfxsr): New.
+ (mxsave): Likewise.
+ (mxsaveopt): Likewise.
+ * config/i386/x86intrin.h: Include
+ xsaveintrin.h, fxsrintrin.h, xsaveoptintrin.h.
+
+2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config/avr/t-rtems: Revert previous commit.
+
+2012-10-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR bootstrap/55049
+ * Makefile.in (rtlanal.o): Add dependency on addresses.h.
+ * rtl.h (address_info): New structure.
+ (strip_address_mutations, decompose_address, decompose_lea_address)
+ (decompose_mem_address, update_address, get_index_scale)
+ (get_index_code): Declare.
+ * rtlanal.c: Include addresses.h.
+ (strip_address_mutations, must_be_base_p, must_be_index_p)
+ (set_address_segment, set_address_base, set_address_index)
+ (set_address_disp, decompose_incdec_address, decompose_automod_address)
+ (extract_plus_operands, baseness, decompose_normal_address)
+ (decompose_address, decompose_lea_address, decompose_mem_address)
+ (update_address, get_index_scale, get_index_code): New functions.
+ * lra-constraints.c (strip_subreg): New function.
+ (address, extract_loc_address_regs, extract_address_regs)
+ (get_index_scale): Delete.
+ (process_addr_reg): Apply strip_subreg to the location.
+ (uses_hard_regs_p): Use decompose_mem_address.
+ (valid_address_p, base_plus_disp_to_reg, can_add_disp_p)
+ (equiv_address_substitution): Take an address_info rather
+ than an address. Remove other arguments. Avoid using Pmode.
+ (process_address): Use decompose_mem_address and decompose_lea_address.
+ Update calls to above functions.
+
+2012-10-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * lra-constraints.c (process_address): Tighten arguments to
+ base_reg_class. Use simplify_gen_binary to generate PLUS rtxes.
+
+2012-10-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * lra-constraints.c (get_index_scale, can_add_disp_p): New functions.
+ (equiv_address_substitution): Use them.
+
+2012-10-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * lra-constraints.c (valid_address_p): New function, split out from...
+ (process_address): ...here.
+
+2012-10-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * lra-constraints.c (process_address): Describe the kinds of address
+ that we might see.
+
+2012-10-25 Vladimir Makarov <vmakarov@redhat.com>
+
+ * lra-int.h (lra_assert): Redefine it gcc_checking_assert.
+ * lra-constraints.c (check_and_process_move): Remove #if
+ ENABLE_ASSERT_CHECKING.
+
+2012-10-26 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
+ __USE_INIT_FINI__.
+ * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.
+
+2012-10-25 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/constraints.md ("U"): Delete.
+ * config/sparc/sparc.md: Use 'r' constraint instead of 'U'.
+ * config/sparc/sync.md: Likewise.
+
+2012-10-25 Lawrence Crowl <crowl@google.com>
+
+ * hash-table.h: Add usage documentation.
+ (template struct typed_free_remove): Clarify documentation.
+ Rename template parameter.
+ (struct typed_noop_remove): Likewise.
+ (descriptor concept): Change typedef T to value_type.
+ Add typedef compare_type. Use more precise template parameter name,
+ Descriptor instead of Descr. Update users to match.
+ (struct hash_table): Change 'find' parameters to use compare_type
+ instead of the value type.
+
+2012-10-25 Jan Hubicka <jh@suse.cz>
+
+ * ipa-cp.c (ipcp_discover_new_direct_edges): If something was turned
+ to direct call update the summary.
+ * ipa-inline-transform.c (inline_call): Sanity check that summaries
+ match the predicted effect; fix updating of summary after edge
+ redirection.
+ * ipa-inline-analysis.c (inline_node_duplication_hook): Do not try
+ to update the summary and recompute it instead.
+ (estimate_function_body_sizes): Fix self size estimation; double
+ check that it agrees with inline_update_overall_summary.
+ (estimate_edge_size_and_time): Handle devirtualizaiton costs.
+ (estimate_edge_devirt_benefit): Update to be called from
+ estimate_edge_size_and_time.
+ (estimate_calls_size_and_time): Update.
+ (estimate_node_size_and_time): Watch overflows.
+ (inline_merge_summary): Likewise.
+ * ipa-prob.c: Include ipa-inline.h
+ (ipa_make_edge_direct_to_target): After redirection update the summary.
+
+2012-10-25 Cary Coutant <ccoutant@google.com>
+
+ PR debug/55063
+ * dwarf2out.c (prune_unused_types_prune): Check whether DIE is
+ already a declaration.
+
+2012-10-25 Vladimir Makarov <vmakarov@redhat.com>
+
+ * lra-assigns.c (assign_by_spills): Add non-reload pseudos
+ assigned to hard register to changed_pseudo_bitmap.
+
+2012-10-25 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config.gcc (microblaze*-*-rtems*): New target.
+ * config/microblaze/rtems.h: New.
+ * config/microblaze/t-rtems: New.
+
+2012-10-25 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimize/54980
+ * tree-ssa-loop-ivcanon.c (constant_after_peeling): Fix obvious typo.
+ (loop_edge_to_cancel): Be sure that the edge is from an conditional
+ so we can cancel it.
+
+2012-10-25 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c++/54427
+ * tree.c (signed_or_unsigned_type_for): Handle vectors.
+
+2012-10-25 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (recursive_inlining): Redirect to master
+ clone before testing profitability.
+
+2012-10-25 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/54902
+ * tree-ssa-pre.c (fini_eliminate): Return TODO.
+ (do_pre): Adjust.
+ (execute_fre): Likewise.
+ * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
+ blocks before computing dominators.
+
+2012-10-25 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expr.c (emit_block_move_via_loop): Use simplify_gen_binary
+ rather than gen_rtx_PLUS.
+
+2012-10-24 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR bootstrap/55068
+ PR regression/55050
+ * ira.c (setup_reg_renumber): Fix assert.
+ * ira-emit.c (emit_move_list): Update equivalences only for LRA.
+
+2012-10-24 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR bootstrap/55067
+ * lra.c: Rename loc to sloc and loc_t to sloc_t.
+
+2012-10-24 Sharad Singhai <singhai@google.com>
+
+ * config/rs6000/rs6000.c (rs6000_density_test): Use dump_enabled_p
+ instead of dump_kind_p.
+
+2012-10-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c++/54928
+ * tree-diagnostic.c (maybe_unwind_expanded_macro_loc):
+ Use diagnostic_append_note.
+ * diagnostic.c (diagnostic_build_prefix): Make diagnostic const.
+ (default_diagnostic_finalizer): Do not destroy prefix here.
+ (diagnostic_report_diagnostic): Destroy it here.
+ (diagnostic_append_note): New.
+ * diagnostic.h (diagnostic_append_note): Declare.
+
+2012-10-24 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/55055
+ * lra-spills.c (alter_subregs): New function.
+ (lra_hard_reg_substitution): Use it.
+
+2012-10-24 Sharad Singhai <singhai@google.com>
+
+ * dumpfile.c (dump_enabled_p): Make it inline and move the definition
+ to dumpfile.h.
+ (dump_kind_p): Deleted. Functionality replaced by dump_enabled_p.
+ Make alt_dump_file extern.
+ * dumpfile.h (dump_enabled_p): Move inline definition here.
+ (dump_kind_p): Delete declaration.
+ Add extern declaration of alt_dump_file.
+ * toplev.c: Move dump_file and dump_file_name to dumpfile.c.
+ * tree-vect-loop-manip.c: Replace all uses of dump_kind_p with
+ dump_enabled_p.
+ * tree-vectorizer.c: Likewise.
+ * tree-vect-loop.c: Likewise.
+ * tree-vect-data-refs.c: Likewise.
+ * tree-vect-patterns.c: Likewise.
+ * tree-vect-stmts.c: Likewise.
+ * tree-vect-slp.c: Likewise.
+
+2012-10-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expmed.c (lowpart_bit_field_p): Add missing == 0 check.
+
+2012-10-24 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR bootstrap/55049
+ * lra-constraints.c (extract_loc_address_regs): Pass top_p for
+ ZERO_EXTEND operand.
+
+2012-10-24 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR bootstrap/55048
+ * lra-constraints.c (update_ebb_live_info): Skip
+ non-NOTE_INSN_BASIC_BLOCK notes.
+
+2012-10-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/55010
+ * cse.c (fold_rtx) <RTX_COMPARE>: Call copy_rtx on folded_arg{0,1}
+ before passing it to simplify_relational_operation.
+
+ PR debug/54828
+ * gimple.h (is_gimple_sizepos): New inline function.
+ * gimplify.c (gimplify_one_sizepos): Use it. Remove useless
+ final assignment to expr variable.
+ * tree.c (RETURN_TRUE_IF_VAR): Return true also if
+ !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
+ into a local temporary.
+
+2012-10-23 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/constraints.md ("T", "W"): Change
+ definitions to use define_memory_constraint. Do not match 'reg'.
+ * config/sparc/sparc.c (memory_ok_for_ldd): Remove all non-MEM
+ handling code, update comment.
+
+2012-10-23 Ian Lance Taylor <iant@google.com>
+
+ * doc/extend.texi (Extended Asm): The '+' constraint does not
+ require a register.
+
+2012-10-23 Jeff Law <law@redhat.com>
+
+ * tree-ssa-threadedge.c (thread_across_edge): Remove unused
+ parameter in call to cond_arg_set_in_bb.
+
+ * tree-ssa-threadedge.c (cond_arg_set_in_bb): Remove unused
+ debugging argument.
+
+ PR tree-optimization/54985
+ * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
+ from thread_across_edge.
+ (thread_across_edge): Use it in all cases where we might thread
+ across a back edge.
+
+2012-10-23 Vladimir Makarov <vmakarov@redhat.com>
+
+ * lra-constraints.c (update_ebb_live_info): Process empty blocks.
+
+2012-10-23 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expmed.c (store_split_bit_field): Update the calls to
+ extract_fixed_bit_field. In the big-endian case, always
+ use the mode of OP0 to count the number of significant bits.
+ (extract_bit_field_1): Remove unit, offset, bitpos and
+ byte_offset from the outermost scope. Express conditions in terms
+ of bitnum rather than offset, bitpos and byte_offset. Move the
+ computation of MODE1 to the block that needs it. Use MODE unless
+ the TMODE-based mode_for_size calculation succeeds. Split the
+ plain move cases into two, one for memory accesses and one for
+ register accesses. Generalize the memory case, freeing it from
+ the old register-based endian checks. Move the INT_MODE calculation
+ above the code that needs it. Use simplify_gen_subreg to handle
+ multiword OP0s. If the field still spans several words, pass it
+ directly to extract_split_bit_field. Assume after that point
+ that both targets and register sources fit within a word.
+ Replace x-prefixed variables with non-prefixed forms.
+ Compute the bitpos for ext(z)v register operands directly in the
+ chosen unit size, rather than going through an intermediate
+ BITS_PER_WORD unit size. Simplify the containment check
+ used when forcing OP0 into a register. Update the call to
+ extract_fixed_bit_field.
+ (extract_fixed_bit_field): Replace the bitpos and offset parameters
+ with a single bitnum parameter, of the same form as extract_bit_field.
+ Assume that OP0 contains the full field. Simplify the memory offset
+ calculation and containment check for volatile bitfields. Make the
+ offset explicit when volatile bitfields force a misaligned access.
+ Remove WARNED and fix long lines. Assert that the processed OP0
+ has an integral mode.
+ (store_split_bit_field): Update the call to store_fixed_bit_field.
+
+2012-10-23 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expmed.c (lowpart_bit_field_p): New function.
+ (store_bit_field_1): Remove unit, offset, bitpos and byte_offset
+ from the outermost scope. Express conditions in terms of bitnum
+ rather than offset, bitpos and byte_offset. Split the plain move
+ cases into two, one for memory accesses and one for register accesses.
+ Allow simplify_gen_subreg to fail rather than calling validate_subreg.
+ Move the handling of multiword OP0s after the code that coerces VALUE
+ to an integer mode. Use simplify_gen_subreg for this case and assert
+ that it succeeds. If the field still spans several words, pass it
+ directly to store_split_bit_field. Assume after that point that
+ both sources and register targets fit within a word. Replace
+ x-prefixed variables with non-prefixed forms. Compute the bitpos
+ for insv register operands directly in the chosen unit size, rather
+ than going through an intermediate BITS_PER_WORD unit size.
+ Update the call to store_fixed_bit_field.
+ (store_fixed_bit_field): Replace the bitpos and offset parameters
+ with a single bitnum parameter, of the same form as store_bit_field.
+ Assume that OP0 contains the full field. Simplify the memory offset
+ calculation. Assert that the processed OP0 has an integral mode.
+ (store_split_bit_field): Update the call to store_fixed_bit_field.
+
+2012-10-23 Paul Koning <ni1d@arrl.net>
+
+ PR debug/54508
+ * dwarf2out.c (prune_unused_types_prune): If pruning a class and
+ not all its children were marked, add DW_AT_declaration flag.
+
+2012-10-23 Ian Bolton <ian.bolton@arm.com>
+ James Greenhalgh <james.greenhalgh@arm.com>
+ Jim MacArthur <jim.macarthur@arm.com>
+ Marcus Shawcroft <marcus.shawcroft@arm.com>
+ Nigel Stephens <nigel.stephens@arm.com>
+ Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+ Richard Earnshaw <rearnsha@arm.com>
+ Sofiane Naci <sofiane.naci@arm.com>
+ Stephen Thomas <stephen.thomas@arm.com>
+ Tejas Belagod <tejas.belagod@arm.com>
+ Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * config.gcc: Add AArch64.
+ * configure.ac: Add AArch64 TLS support detection.
+ * configure: Regenerate.
+
+2012-10-23 Ian Bolton <ian.bolton@arm.com>
+ James Greenhalgh <james.greenhalgh@arm.com>
+ Jim MacArthur <jim.macarthur@arm.com>
+ Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
+ Marcus Shawcroft <marcus.shawcroft@arm.com>
+ Nigel Stephens <nigel.stephens@arm.com>
+ Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+ Richard Earnshaw <rearnsha@arm.com>
+ Sofiane Naci <sofiane.naci@arm.com>
+ Stephen Thomas <stephen.thomas@arm.com>
+ Tejas Belagod <tejas.belagod@arm.com>
+ Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * doc/invoke.texi (AArch64 Options): New.
+ * doc/md.texi (Machine Constraints): Add AArch64.
+
+2012-10-23 Ian Bolton <ian.bolton@arm.com>
+ James Greenhalgh <james.greenhalgh@arm.com>
+ Jim MacArthur <jim.macarthur@arm.com>
+ Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
+ Marcus Shawcroft <marcus.shawcroft@arm.com>
+ Nigel Stephens <nigel.stephens@arm.com>
+ Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+ Richard Earnshaw <rearnsha@arm.com>
+ Sofiane Naci <sofiane.naci@arm.com>
+ Stephen Thomas <stephen.thomas@arm.com>
+ Tejas Belagod <tejas.belagod@arm.com>
+ Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * common/config/aarch64/aarch64-common.c: New file.
+ * config/aarch64/aarch64-arches.def: New file.
+ * config/aarch64/aarch64-builtins.c: New file.
+ * config/aarch64/aarch64-cores.def: New file.
+ * config/aarch64/aarch64-elf-raw.h: New file.
+ * config/aarch64/aarch64-elf.h: New file.
+ * config/aarch64/aarch64-generic.md: New file.
+ * config/aarch64/aarch64-linux.h: New file.
+ * config/aarch64/aarch64-modes.def: New file.
+ * config/aarch64/aarch64-option-extensions.def: New file.
+ * config/aarch64/aarch64-opts.h: New file.
+ * config/aarch64/aarch64-protos.h: New file.
+ * config/aarch64/aarch64-simd.md: New file.
+ * config/aarch64/aarch64-tune.md: New file.
+ * config/aarch64/aarch64.c: New file.
+ * config/aarch64/aarch64.h: New file.
+ * config/aarch64/aarch64.md: New file.
+ * config/aarch64/aarch64.opt: New file.
+ * config/aarch64/arm_neon.h: New file.
+ * config/aarch64/constraints.md: New file.
+ * config/aarch64/gentune.sh: New file.
+ * config/aarch64/iterators.md: New file.
+ * config/aarch64/large.md: New file.
+ * config/aarch64/predicates.md: New file.
+ * config/aarch64/small.md: New file.
+ * config/aarch64/sync.md: New file.
+ * config/aarch64/t-aarch64-linux: New file.
+ * config/aarch64/t-aarch64: New file.
+
+2012-10-23 Michael Matz <matz@suse.de>
+
+ * tree-ssa-operands.h (struct def_optype_d, def_optype_p): Remove.
+ (ssa_operands.free_defs): Remove.
+ (DEF_OP_PTR, DEF_OP): Remove.
+ (struct ssa_operand_iterator_d): Remove 'defs', add 'flags' members,
+ rename 'phi_stmt' to 'stmt', 'phi_i' to 'i' and 'num_phi' to 'numops'.
+ * gimple.h (gimple_statement_with_ops.def_ops): Remove.
+ (gimple_def_ops, gimple_set_def_ops): Remove.
+ (gimple_vdef_op): Don't take const gimple, adjust.
+ (gimple_asm_input_op, gimple_asm_input_op_ptr,
+ gimple_asm_set_input_op, gimple_asm_output_op,
+ gimple_asm_output_op_ptr, gimple_asm_set_output_op): Adjust asserts,
+ and rewrite to move def operands to front.
+ (gimple_asm_clobber_op, gimple_asm_set_clobber_op,
+ gimple_asm_label_op, gimple_asm_set_label_op): Correct asserts.
+ * tree-ssa-operands.c (build_defs): Remove.
+ (init_ssa_operands): Don't initialize it.
+ (fini_ssa_operands): Don't free it.
+ (cleanup_build_arrays): Don't truncate it.
+ (finalize_ssa_stmt_operands): Don't assert on it.
+ (alloc_def, add_def_op, append_def): Remove.
+ (finalize_ssa_defs): Remove building of def_ops list.
+ (finalize_ssa_uses): Don't mark for SSA renaming here, ...
+ (add_stmt_operand): ... but here, don't call append_def.
+ (get_indirect_ref_operands): Remove recurse_on_base argument.
+ (get_expr_operands): Adjust call to get_indirect_ref_operands.
+ (verify_ssa_operands): Don't check def operands.
+ (free_stmt_operands): Don't free def operands.
+ * gimple.c (gimple_copy): Don't clear def operands.
+ * tree-flow-inline.h (op_iter_next_use): Adjust to explicitely
+ handle def operand.
+ (op_iter_next_tree, op_iter_next_def): Ditto.
+ (clear_and_done_ssa_iter): Clear new fields.
+ (op_iter_init): Adjust to setup new iterator structure.
+ (op_iter_init_phiuse): Adjust.
+
+2012-10-23 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.c (offset_ok_for_ldrd_strd): Return false for Thumb1.
+
+2012-10-23 Vladimir Makarov <vmakarov@redhat.com>
+
+ * dbxout.c (dbxout_symbol_location): Pass new argument to alter_subreg.
+ * dwarf2out.c: Include ira.h and lra.h.
+ (based_loc_descr, compute_frame_pointer_to_fb_displacement): Use
+ lra_eliminate_regs for LRA instead of eliminate_regs.
+ * expr.c (emit_move_insn_1): Pass an additional argument to
+ emit_move_via_integer. Use emit_move_via_integer for LRA only if
+ the insn is recognized.
+ * emit-rtl.c (gen_rtx_REG): Add lra_in_progress.
+ (validate_subreg): Don't check offset for LRA and floating point modes.
+ * final.c (final_scan_insn, cleanup_subreg_operands): Pass new
+ argument to alter_subreg.
+ (walk_alter_subreg, output_operand): Ditto.
+ (alter_subreg): Add new argument.
+ * gcse.c (calculate_bb_reg_pressure): Add parameter to
+ ira_setup_eliminable_regset call.
+ * ira.c: Include lra.h.
+ (ira_init_once, ira_init, ira_finish_once): Call lra_start_once,
+ lra_init, lra_finish_once in anyway.
+ (ira_setup_eliminable_regset): Add parameter. Remove need_fp.
+ Call lra_init_elimination and mark HARD_FRAME_POINTER_REGNUM as
+ living forever if frame_pointer_needed.
+ (setup_reg_class_relations): Set up ira_reg_class_subset.
+ (ira_reg_equiv_invariant_p, ira_reg_equiv_const): Remove.
+ (find_reg_equiv_invariant_const): Ditto.
+ (setup_reg_renumber): Use ira_equiv_no_lvalue_p instead of
+ ira_reg_equiv_invariant_p. Skip caps for LRA.
+ (setup_reg_equiv_init, ira_update_equiv_info_by_shuffle_insn): New
+ functions.
+ (ira_reg_equiv_len, ira_reg_equiv): New externals.
+ (ira_reg_equiv): New.
+ (ira_expand_reg_equiv, init_reg_equiv, finish_reg_equiv): New
+ functions.
+ (no_equiv, update_equiv_regs): Use ira_reg_equiv instead of
+ reg_equiv_init.
+ (setup_reg_equiv): New function.
+ (ira_use_lra_p): New global.
+ (ira): Set up lra_simple_p and ira_conflicts_p. Set up and
+ restore flag_caller_saves and flag_ira_region. Move
+ initialization of ira_obstack and ira_bitmap_obstack upper. Call
+ init_reg_equiv, setup_reg_equiv, and setup_reg_equiv_init instead
+ of initialization of ira_reg_equiv_len, ira_reg_equiv_invariant_p,
+ and ira_reg_equiv_const. Call ira_setup_eliminable_regset with a
+ new argument. Don't flatten IRA IRA for LRA. Don't reassign
+ conflict allocnos for LRA. Call finish_reg_equiv.
+ (do_reload): Prepare code for LRA call. Call LRA.
+ * ira.h (ira_use_lra_p): New external.
+ (struct target_ira): Add members x_ira_class_subset_p
+ x_ira_reg_class_subset, and x_ira_reg_classes_intersect_p.
+ (ira_class_subset_p, ira_reg_class_subset): New macros.
+ (ira_reg_classes_intersect_p): New macro.
+ (struct ira_reg_equiv): New.
+ (ira_setup_eliminable_regset): Add an argument.
+ (ira_expand_reg_equiv, ira_update_equiv_info_by_shuffle_insn): New
+ prototypes.
+ * ira-color.c (color_pass, move_spill_restore, coalesce_allocnos):
+ Use ira_equiv_no_lvalue_p.
+ (coalesce_spill_slots, ira_sort_regnos_for_alter_reg): Ditto.
+ * ira-emit.c (ira_create_new_reg): Call ira_expand_reg_equiv.
+ (generate_edge_moves, change_loop) Use ira_equiv_no_lvalue_p.
+ (emit_move_list): Simplify code. Call
+ ira_update_equiv_info_by_shuffle_insn. Use ira_reg_equiv instead
+ of ira_reg_equiv_invariant_p and ira_reg_equiv_const. Change assert.
+ * ira-int.h (struct target_ira_int): Remove x_ira_class_subset_p
+ and x_ira_reg_classes_intersect_p.
+ (ira_class_subset_p, ira_reg_classes_intersect_p): Remove.
+ (ira_reg_equiv_len, ira_reg_equiv_invariant_p): Ditto.
+ (ira_reg_equiv_const): Ditto.
+ (ira_equiv_no_lvalue_p): New function.
+ * jump.c (true_regnum): Always use hard_regno for subreg_get_info
+ when lra is in progress.
+ * haifa-sched.c (sched_init): Pass new argument to
+ ira_setup_eliminable_regset.
+ * loop-invariant.c (calculate_loop_reg_pressure): Pass new
+ argument to ira_setup_eliminable_regset.
+ * lra.h: New.
+ * lra-int.h: Ditto.
+ * lra.c: Ditto.
+ * lra-assigns.c: Ditto.
+ * lra-constraints.c: Ditto.
+ * lra-coalesce.c: Ditto.
+ * lra-eliminations.c: Ditto.
+ * lra-lives.c: Ditto.
+ * lra-spills.c: Ditto.
+ * Makefile.in (LRA_INT_H): New.
+ (OBJS): Add lra.o, lra-assigns.o, lra-coalesce.o, lra-constraints.o,
+ lra-eliminations.o, lra-lives.o, and lra-spills.o.
+ (dwarf2out.o): Add dependence on ira.h and lra.h.
+ (ira.o): Add dependence on lra.h.
+ (lra.o, lra-assigns.o, lra-coalesce.o, lra-constraints.o): New entries.
+ (lra-eliminations.o, lra-lives.o, lra-spills.o): Ditto.
+ * output.h (alter_subreg): Add new argument.
+ * rtlanal.c (simplify_subreg_regno): Permit mode changes for LRA.
+ Permit ARG_POINTER_REGNUM and STACK_POINTER_REGNUM for LRA.
+ * recog.c (general_operand, register_operand): Accept paradoxical
+ FLOAT_MODE subregs for LRA.
+ (scratch_operand): Accept pseudos for LRA.
+ * rtl.h (lra_in_progress): New external.
+ (debug_bb_n_slim, debug_bb_slim, print_value_slim): New prototypes.
+ (debug_rtl_slim, debug_insn_slim): Ditto.
+ * sdbout.c (sdbout_symbol): Pass new argument to alter_subreg.
+ * sched-vis.c (print_value_slim): New.
+ * target.def (lra_p): New hook.
+ (register_priority): Ditto.
+ (different_addr_displacement_p): Ditto.
+ (spill_class): Ditto.
+ * target-globals.h (this_target_lra_int): New external.
+ (target_globals): New member lra_int.
+ (restore_target_globals): Restore this_target_lra_int.
+ * target-globals.c: Include lra-int.h.
+ (default_target_globals): Add &default_target_lra_int.
+ * targhooks.c (default_lra_p): New function.
+ (default_register_priority): Ditto.
+ (default_different_addr_displacement_p): Ditto.
+ * targhooks.h (default_lra_p): Declare.
+ (default_register_priority): Ditto.
+ (default_different_addr_displacement_p): Ditto.
+ * timevar.def (TV_LRA, TV_LRA_ELIMINATE, TV_LRA_INHERITANCE): New.
+ (TV_LRA_CREATE_LIVE_RANGES, TV_LRA_ASSIGN, TV_LRA_COALESCE): New.
+ * config/arm/arm.c (load_multiple_sequence): Pass new argument to
+ alter_subreg.
+ (store_multiple_sequence): Ditto.
+ * config/i386/i386.h (enum ix86_tune_indices): Add
+ X86_TUNE_GENERAL_REGS_SSE_SPILL.
+ (TARGET_GENERAL_REGS_SSE_SPILL): New macro.
+ * config/i386/i386.c (initial_ix86_tune_features): Set up
+ X86_TUNE_GENERAL_REGS_SSE_SPILL for m_COREI7 and m_CORE2I7.
+ (ix86_lra_p, ix86_register_priority): New functions.
+ (ix86_secondary_reload): Add NON_Q_REGS, SIREG, DIREG.
+ (inline_secondary_memory_needed): Change assert.
+ (ix86_spill_class): New function.
+ (TARGET_LRA_P, TARGET_REGISTER_BANK, TARGET_SPILL_CLASS): New macros.
+ * config/m68k/m68k.c (emit_move_sequence): Pass new argument to
+ alter_subreg.
+ * config/m32r/m32r.c (gen_split_move_double): Ditto.
+ * config/pa/pa.c (pa_emit_move_sequence): Ditto.
+ * config/sh/sh.md: Ditto.
+ * config/v850/v850.c (v850_reorg): Ditto.
+ * config/xtensa/xtensa.c (fixup_subreg_mem): Ditto.
+ * doc/md.texi: Add new interpretation of hint * for LRA.
+ * doc/passes.texi: Describe LRA pass.
+ * doc/tm.texi.in: Add TARGET_LRA_P, TARGET_REGISTER_PRIORITY,
+ TARGET_DIFFERENT_ADDR_DISPLACEMENT_P, and TARGET_SPILL_CLASS.
+ * doc/tm.texi: Update.
+
+2012-10-23 Jan Hubicka <jh@suse.cz>
+
+ * loop-unroll.c (decide_peel_simple): Simple peeling makes sense even
+ with simple loops; bound number of branches only when FDO is not
+ available.
+ (decide_unroll_stupid): Mention that num_loop_branches heuristics
+ is off.
+
+2012-10-23 Nick Clifton <nickc@redhat.com>
+
+ PR target/54660
+ * config/iq2000/iq2000.c (iq2000_function_arg_advance): Suppress
+ compile time warning about pointer printing.
+
+2012-10-23 Joseph Myers <joseph@codesourcery.com>
+
+ * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
+ *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu): Use
+ glibc-c.o in c_target_objs and cxx_target_objs. Use t-glibc in
+ tmake_file. Set target_has_targetcm.
+ (tilegx-*-linux*, tilepro-*-linux*): Append to c_target_objs and
+ cxx_target_objs rather than overriding previous value.
+ * config/glibc-c.c, config/t-glibc: New.
+ * doc/tm.texi.in (TARGET_C_PREINCLUDE): New @hook.
+ * doc/tm.texi: Regenerate.
+ * hooks.c (hook_constcharptr_void_null): New.
+ * hooks.h (hook_constcharptr_void_null): Declare.
+
+2012-10-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/mips/linux-common.h (STACK_CHECK_STATIC_BUILTIN): Define.
+ (STACK_CHECK_PROTECT): Likewise.
+ * config/mips/mips.h (MIPS_PROLOGUE_TEMP2_REGNUM): Likewise.
+ (MIPS_PROLOGUE_TEMP2): Likewise.
+ * config/mips/mips-protos.h (mips_output_probe_stack_range): Declare.
+ * config/mips/mips.c: Include common/common-target.h.
+ (mips_emit_probe_stack_range): New function.
+ (mips_output_probe_stack_range): Likewise.
+ (mips_expand_prologue): Invoke mips_emit_probe_stack_range if static
+ builtin stack checking is enabled.
+ * config/mips/mips.md (UNSPEC_PROBE_STACK_RANGE): New constant.
+ (probe_stack_range_<P:mode>): New insn.
+
+2012-10-23 Marc Glisse <marc.glisse@inria.fr>
+
+ * tree-ssa-forwprop.c (forward_propagate_into_cond): Handle vectors.
+ * fold-const.c (fold_relational_const): Handle VECTOR_CST.
+ * doc/generic.texi (VEC_COND_EXPR): Document current policy.
+
+2012-10-23 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/54937
+ * tree-ssa-loop-niter.c (record_estimate): Do not try to lower
+ the bound of non-is_exit statements.
+ (maybe_lower_iteration_bound): Do it here.
+ (estimate_numbers_of_iterations_loop): Call it.
+
+2012-10-23 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/54967
+ * cfgloopmanip.c (fix_bb_placements): Add loop_closed_ssa_invalidated;
+ track basic blocks that moved out of their loops.
+ (unloop): Likewise.
+ (remove_path): Update.
+ (fix_loop_placements): Update.
+ * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Add
+ loop_closed_ssa_invalidated parameter; pass it around.
+ (canonicalize_loop_induction_variables): Update loop closed
+ SSA form if needed.
+ (tree_unroll_loops_completely): Likewise; do irred update out of
+ the outer loop; verify that SSA form is closed.
+ * cfgloop.h (unrloop): Update.
+
+2012-10-23 Terry Guo <terry.guo@arm.com>
+
+ PR target/55019
+ * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
+ live argument regs.
+
+2012-10-23 Hans-Peter Nilsson <hp@bitrange.com>
+
+ PR middle-end/55030
+ Revert:
+ * stmt.c (expand_nl_goto_receiver): Remove almost-copy of
+ expand_builtin_setjmp_receiver.
+ (expand_label): Adjust, call expand_builtin_setjmp_receiver
+ with NULL for the label parameter.
+ * builtins.c (expand_builtin_setjmp_receiver): Don't clobber
+ the frame-pointer. Adjust comments.
+ [HAVE_builtin_setjmp_receiver]: Emit builtin_setjmp_receiver
+ only if LABEL is non-NULL.
+
+2012-10-22 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/55008
+ * gimple-ssa-strength-reduction.c (find_basis_for_candidate):
+ Don't allow a candidate to be a basis for itself under another
+ interpretation.
+
+2012-10-22 Sharad Singhai <singhai@google.com>
+
+ * dumpfile.c (dump_phase_enabled_p): Renamed dump_enabled_p. Update
+ all callers.
+ (dump_enabled_p): A new function to check if any of the dump files
+ is available.
+ (dump_kind_p): Remove check for current_function_decl. Add check for
+ dumpfile and alt_dump_file.
+ * dumpfile.h: Add declaration of dump_enabled_p.
+
+2012-10-22 Richard Biener <rguenther@suse.de>
+
+ PR lto/55021
+ * tree-streamer-in.c (unpack_ts_int_cst_value_fields): Remove
+ bogus truncations.
+
+2012-10-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (memory_address_length): Assert that non-null
+ base or index RTXes are registers. Do not check for REG RTXes.
+ Determine addr32 prefix using SImode_address_operand or
+ from original base and index RTXes. Simplify code.
+
+2012-10-22 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/55011
+ * tree-vrp.c (update_value_range): For invalid lattice transitions
+ drop to VARYING.
+
+2012-10-22 Julian Brown <julian@codesourcery.com>
+
+ * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Avoid subreg'ing
+ VFP D registers in big-endian mode.
+
+2012-10-22 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
+ Note __AVR_<device>__ is not defined for cores.
+ Don't point to --help=target.
+
+2012-10-22 Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.c (thumb2_emit_ldrd_pop): New function.
+ (arm_expand_epilogue): Use the new function.
+
+2012-10-22 Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.c (thumb2_emit_strd_push): New function.
+ (arm_expand_prologue): Use the new function.
+
+2012-10-22 Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm-protos.h (offset_ok_for_ldrd_strd): New declaration.
+ (operands_ok_ldrd_strd): Likewise.
+ * config/arm/arm.c (offset_ok_for_ldrd_strd): New function.
+ (operands_ok_ldrd_strd): Likewise.
+ * config/arm/arm.md (thumb2_ldrd, thumb2_ldrd_base): New patterns.
+ (thumb2_ldrd_base_neg): Likewise.
+ (thumb2_strd, thumb2_strd_base, thumb_strd_base_neg): Likewise.
+ * predicates.md (ldrd_strd_offset_operand): New predicate.
+ * config/arm/constraints.md (Do): New constraint.
+
+2012-10-22 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.md ("nonlocal_goto_receiver"): Refer to the
+ frame-pointer as an operand.
+ ("*nonlocal_goto_receiver_expanded"): Ditto. Use
+ mmix_output_register_setting instead of naked output_asm_insn for
+ the offset from the frame-pointer to the saved rO.
+ * config/mmix/mmix.c (mmix_output_register_setting): Emit NEGU for
+ values -255..0.
+ * config/mmix/predicates.md ("frame_pointer_operand"): New.
+ * config/mmix/constraints.md ("Yf"): New.
+
+ * stmt.c (expand_nl_goto_receiver): Remove almost-copy of
+ expand_builtin_setjmp_receiver.
+ (expand_label): Adjust, call expand_builtin_setjmp_receiver
+ with NULL for the label parameter.
+ * builtins.c (expand_builtin_setjmp_receiver): Don't clobber
+ the frame-pointer. Adjust comments.
+ [HAVE_builtin_setjmp_receiver]: Emit builtin_setjmp_receiver
+ only if LABEL is non-NULL.
+
+2012-10-21 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386-protos.h (memory_address_length): Add new bool
+ argument. Update all uses.
+ * config/i386/i386.c (memory_address_length): If not LEA insn, then
+ add length of addr32 prefix based on mode of base or index register.
+ (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
+ addresses here. Update call to memory_address_length.
+ (ix86_print_address_operand): Use SImode_address_operand predicate.
+ * config/i386/predicates.md (SImode_address_operand): New.
+ * config/i386/i386.md (lea<mode>): Use SImode_address_operand
+ to calculate "mode" attribute. Use SImode_address_operand predicate
+ instead of open-coding accepted RTX codes.
+
+2012-10-21 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * rtl.def (ADDR_DIFF_VEC): Fix comment typo.
+
+2012-10-21 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/44194
+ * calls.c (expand_call): Allow sibling calls in the PARALLEL case.
+
+2012-10-21 Tobias Burnus <burnus@net-b.de>
+
+ PR fortran/54725
+ * Makefile.in (TARGET_SYSTEM_ROOT_DEFINE): New.
+
+2012-10-21 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * config/xtensa/xtensa.c (xtensa_expand_builtin): Remove unused 'arg'
+ variable.
+
+2012-10-20 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/54315
+ * calls.c (expand_call): Don't deal specifically with BLKmode values
+ returned in naked registers.
+ * expr.h (copy_blkmode_from_reg): Adjust prototype.
+ * expr.c (copy_blkmode_from_reg): Rename first parameter into
+ TARGET and make it required. Assert that SRCREG hasn't BLKmode.
+ Add a couple of short-circuits for common cases and be prepared
+ for sub-word registers.
+ (expand_assignment): Call copy_blkmode_from_reg for BLKmode values
+ returned in naked registers.
+ (store_expr): Likewise.
+ (store_field): Likewise.
+
+2012-10-20 Jan Hubicka <jh@suse.cz>
+
+ * loop-unroll.c (decide_unroll_constant_iterations): Don't
+ perform unrolling for loops with low iterations bounds or estimates.
+
+2012-10-20 Jan Hubicka <jh@suse.cz>
+
+ * loop-iv.c (iv_number_of_iterations): Record the upper bound
+ only if there are no further conditions on it.
+
+2012-10-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c/53063
+ PR c/40989
+ * opts.c (finish_options): Remove explicit handling from here.
+
+2012-10-20 Joern Rennecke <joern.rennecke@embecosm.com>
+ Richard Sandiford <rdsandiford@googlemail.com>
+
+ * emit-rtl.c (copy_delay_slot_insn): New function.
+ * emit-rtl.h (copy_delay_slot_insn): Declare.
+ * reorg.c: Include "emit-rtl.h".
+ (steal_delay_list_from_target): Use copy_delay_slot_insn.
+ (fill_slots_from_thread, fill_simple_delay_slots): Likewise.
+
+ * final.c (shorten_branches): When optimizing, start with small
+ length and increase from there, and don't decrease lengths.
+
+2012-10-19 Jan Hubicka <jh@suse.cz>
+
+ * builtins.def (BUILT_IN_UNREACHABLE): Make
+ ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST.
+ * builtin-attrs.def (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST): Define.
+
+2012-10-19 Michael Meissner <meissner@linux.vnet.ibm.com>
+ Dominique Dhumieres <dominiq@lps.ens.fr>
+
+ * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Don't assume
+ OPTION_MASK_STRICT_ALIGN is defined.
+ (MASK_STRICT_ALIGN): If OPTION_MASK_STRICT_ALIGN is not defined,
+ define this to 0 for the 3 ports that use it.
+
+ * config/rs6000/rs6000.c (OPTION_MASK_STRICT_ALIGN): Don't do
+ check for ports not having -mstrict-align here, move test to
+ rs6000-cpus.def.
+ (MASK_STRICT_ALIGN): Likewise.
+ (rs6000_debug_reg_global): Print out correct target flag words if
+ -mdebug=reg.
+
+2012-10-19 Marek Polacek <polacek@redhat.com>
+
+ PR middle-end/54945
+ * fold-const.c (fold_sign_changed_comparison): Punt if folding
+ pointer/non-pointer comparison.
+
+2012-10-19 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * doc/sourcebuild.texi (Effective-Target Keywords): Document
+ new effective target keyword arm_prefer_ldrd_strd.
+
+2012-10-19 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54981
+ * tree-loop-distribution.c (ssa_name_has_uses_outside_loop_p):
+ Do not consider debug stmts as uses.
+
+2012-10-19 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/54976
+ * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
+ Robustify against odd inner_mode inputs.
+
+2012-10-19 Zhenqiang Chen <zhenqiang.chen@linaro.org>
+
+ PR target/54892
+ * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
+ sure the mode is correct when falling through from above cases.
+
+2012-10-19 Bin Cheng <bin.cheng@arm.com>
+
+ * common.opt (flag_ira_hoist_pressure): New.
+ * doc/invoke.texi (-fira-hoist-pressure): Describe.
+ * ira-costs.c (ira_set_pseudo_classes): New parameter.
+ * ira.h: Update copyright dates.
+ (ira_set_pseudo_classes): Update prototype.
+ * haifa-sched.c (sched_init): Update call.
+ * ira.c (ira): Update call.
+ * regmove.c: Update copyright dates.
+ (regmove_optimize): Update call.
+ * loop-invariant.c: Update copyright dates.
+ (move_loop_invariants): Update call.
+ * gcse.c: (struct bb_data): New structure.
+ (BB_DATA): New macro.
+ (curr_bb, curr_reg_pressure): New static variables.
+ (should_hoist_expr_to_dom): Rename from hoist_expr_reaches_here_p.
+ Change parameter expr_index to expr.
+ New parameters pressure_class, nregs and hoisted_bbs.
+ Use reg pressure to determine the distance expr can be hoisted.
+ (hoist_code): Use reg pressure to direct the hoist process.
+ (get_regno_pressure_class, get_pressure_class_and_nregs)
+ (change_pressure, calculate_bb_reg_pressure): New.
+ (one_code_hoisting_pass): Calculate register pressure. Allocate
+ and free data.
+
+2012-10-19 Bin Cheng <bin.cheng@arm.com>
+
+ * gcse.c: Update copyright dates.
+ (hoist_expr_reaches_here_p): Change parameter type from char *
+ to sbitmap.
+
+2012-10-19 Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+ * config.gcc
+ (arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtemseabi*): Rename
+ "arm*-*-rtemseabi*" to "arm*-*-rtems*".
+
+2012-10-19 Alan Modra <amodra@gmail.com>
+
+ * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
+ (HAVE_LD_LARGE_TOC): Likewise.
+ * configure: Regenerate.
+
+2012-10-19 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/predicates.md (splat_input_operand): Don't call
+ input_operand for MEMs. Instead check for volatile and call
+ memory_address_addr_space_p with modified mode.
+
+2012-10-18 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (rdpmc): Remove expander.
+ (rdtsc): Ditto.
+ (rdtscp): Ditto.
+ (rdpmc): Rename from *rdpmc.
+ (rdpmc_rex64): Rename from *rdpmc_rex64.
+ (rdtsc): Rename from *rdtsc.
+ (rdtsc_rex64): Rename from *rdtsc_rex64.
+ (rdtscp): Rename from *rdtscp.
+ (rdtscp_rex64): Rename from *rdtscp_rex64.
+
+ * config/i386/i386.c (struct builtin_description bdesc_special_args)
+ <IX86_BUILTIN_RDTSC>: Use CODE_FOR_NOTHING.
+ <IX86_BUILTIN_RDTSCP>: Ditto.
+ (struct builtin_description bdesc__args) <IX86_BUILTIN_RDPMC>: Ditto.
+ (ix86_expand_builtin) <IX86_BUILTIN_{RDPMC,RDTSC,RDTSCP}>: Handle here.
+
+2012-10-18 Jan-Benedict Glaw <jbglaw@lug-owl.de>
+
+ * config/sh/sh.c: Fix comment to silence warning.
+
+2012-10-18 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+ Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+
+ * config/arm/cortex-a15-neon.md: New file.
+ * config/arm/cortex-a15.md (cortex_a15_call): Adjust reservation.
+ (cortex_a15_load1): Likewise.
+ (cortex_a15_load3): Likewise.
+ (cortex_a15_store1): Likewise.
+ (cortex_a15_store3): Likewise.
+ (cortex-a15-neon.md): Include.
+
+2012-10-18 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/altivec.md (altivec_lvsl, altivec_lvsr): Add mode.
+ (altivec_vsumsws_nomode): Delete.
+ (reduc_splus_<mode>, reduc_uplus_<mode>): Call gen_altivec_vsumsws
+ instead of gen_altivec_vsumsws_nomode.
+ (altivec_lvlx, altivec_lvlxl, altivec_lvrx, altivec_lvrxl): Add mode.
+ * config/rs6000/rs6000.md (probe_stack): Rename to...
+ (probe_stack_<mode>): ... this. Add mode. Change pattern to
+ use std instead of stw when appropriate.
+ (probe_stack): New expander.
+ (move_from_CR_ov_bit): Add mode.
+ (splitter for compare_plus_ne0_<mode>, splitter for
+ compare_plus_ne0_<mode>_1): Remove constraints.
+ * config/rs6000/sync.md (loadsync): Rename to...
+ (loadsync_<mode>): ... this. Add mode.
+ (atomic_load<mode>): Adjust.
+
+2012-10-18 Eric Botcazou <ebotcazou@adacore.com>
+
+ * loop-invariant.c: Include target.h.
+ (check_dependency): Return false for an uninitialized argument register
+ that is likely to be spilled.
+ * Makefile.in (loop-invariant.o): Add $(TARGET_H).
+
+2012-10-18 Eric Botcazou <ebotcazou@adacore.com>
+
+ * except.c (sjlj_emit_function_enter): Remove unused variable.
+
+2012-10-18 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+ Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ * config/arm/arm.c (neon_builtin_data): Add vfma and vfms builtins.
+ * config/arm/neon-docgen.ml (intrinsic_groups): Add
+ fused-multiply-* groups.
+ * config/neon-gen.ml (print_feature_test_start): New function.
+ (print_feature_test_end): Likewise.
+ (print_variant): Print feature test macros.
+ * config/arm/neon-testgen.ml (emit_prologue): Allow different
+ tests to require different effective targets.
+ (effective_target): New function.
+ (test_intrinsic): Specify correct effective targets.
+ * config/arm/neon.md (fma<VCVTF:mode>4_intrinsic): New pattern.
+ (fmsub<VCVTF:mode>4_intrinsic): Likewise.
+ (neon_vfma<VCVFT:mode>): New expand.
+ (neon_vfms<VCVFT:mode>): Likewise.
+ * config/neon.ml (opcode): Add Vfma and Vfms.
+ (features): Add Requires_feature.
+ (ops): Add VFMA and VFMS intrinsics.
+ * config/arm/arm_neon.h: Regenerate.
+ * doc/arm-neon-intrinsics.texi: Likewise.
+
+2012-10-18 Richard Guenther <rguenther@suse.de>
+
+ * lto-streamer.h (enum LTO_tags): Add LTO_integer_cst.
+ * lto-streamer-in.c (lto_input_tree): Use it.
+ * lto-streamer-out.c (lto_output_tree): Likewise, for
+ !TREE_OVERFLOW integer constants only.
+ * tree-streamer-in.c (unpack_ts_int_cst_value_fields): New function.
+ (unpack_value_fields): Call it.
+ (streamer_read_integer_cst): Simplify.
+ * tree-streamer-out.c (pack_ts_int_cst_value_fields): New function.
+ (streamer_pack_tree_bitfields): Call it.
+ (streamer_write_integer_cst): Adjust.
+
+2012-10-18 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+ Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ * config.gcc: Add support for ARMv8 for arm*-*-* targets.
+ * config/arm/arm-arches.def: Add armv8-a
+ * config/arm/arm-fpus.def: Add fp-armv8, neon-fp-armv8,
+ crypto-neon-fp-armv8. Add crypto field.
+ * config/arm/arm-tables.opt: Regenerate.
+ * config/arm/arm.c (FL_FOR_ARCH8A): Likewise.
+ (arm_arch8): New global variable.
+ (ARM_FPU): Add crypto parameter.
+ (arm_option_override): Set arm_arch8, update comments.
+ * config/arm/arm.h (TARGET_CRYPTO): New macro.
+ (arm_fpu_desc): Add crypto field.
+ (base_architecture): Add ARMv8 entry.
+ (arm_arch8): New variable declaration.
+ * config/arm/bpabi.h: ARMv8 supports BE8.
+ * doc/invoke.texi: Document ARMv8 options.
+
+2012-10-17 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/54893
+ * trans-mem.c (diagnose_tm_1_op): Allow volatiles inside relaxed
+ transactions.
+
+2012-10-17 Aldy Hernandez <aldyh@redhat.com>
+
+ PR rtl-optimization/54900
+ * ifcvt.c (noce_can_store_speculate_p): Call
+ memory_must_be_modified_in_insn_p.
+ * alias.c (memory_must_be_modified_in_insn_p): New.
+ (set_dest_equal_p): New.
+ * rtl.h (memory_must_be_modified_in_p): Protoize.
+
+2012-10-17 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.opt (rs6000_isa_flags): New flag word to
+ replace target_flags that gives us 63 possible switches.
+ (x_rs6000_isa_flags): Save area for rs6000_isa_flags.
+ (x_rs6000_isa_flags_explicit): Save area for rs6000_isa_flags_explicit.
+ (rs6000_target_flags_explicit): Delete in favor of
+ x_rs6000_isa_flags_explicit.
+ (-mpowerpc64): Change all switches that used to be in target_flags
+ to now be in rs6000_isa_flags. In using rs6000_isa_flags, the
+ options machinary will generate names of the form OPITON_<xxx>
+ instead of TARGET_<xxx> and OPTION_MASK_<xxx> instead of MASK_<xxx>.
+ (-mpowerpc-gpopt): Likewise.
+ (-mpowerpc-gfxopt): Likewise.
+ (-mmfcrf): Likewise.
+ (-mpopcntb): Likewise.
+ (-mfprnd): Likewise.
+ (-mcmpb): Likewise.
+ (-mmfpgpr): Likewise.
+ (-maltivec): Likewise.
+ (-mhard-dfp): Likewise.
+ (-mmulhw): Likewise.
+ (-mdlmzb): Likewise.
+ (-mmultiple): Likewise.
+ (-mstring): Likewise.
+ (-msoft-float): Likewise.
+ (-mhard-float): Likewise.
+ (-mpopcntd): Likewise.
+ (-mvsx): Likewise.
+ (-mno-update): Likewise.
+ (-mupdate): Likewise.
+ (-mrecip-precision): Likewise.
+ (-mminimal-toc): Likewise.
+ (-misel): Likewise.
+ * config/rs6000/aix64.opt (-maix64): Likewise.
+ (-maix32): Likewise.
+ * config/rs6000/sysv4.opt (-mstrict-align): Likewise.
+ (-mrelocatable): Likewise.
+ (-mlittle-endian): Likewise.
+ (-mlittle): Likewise.
+ (-mbig-endian): LIkewise.
+ (-mbig): Likewise.
+ (-meabi): Likewise.
+ (-m64): Likewise.
+ (-m32): Likewise.
+ * config/rs6000/darwin.opt (-m64): Likewise.
+ (-m32): Likewise.
+
+ * config/rs6000/rs6000-cpus.def (ISA_2_1_MASKS): Move the various
+ masks used in rs6000.c here, since they are more logically in this
+ file. Convert from being enums to just #defines, since the types
+ of these masks is now HOST_WIDE_INT instead of int. For
+ POWERPC_MASKS, add MASK_SOFT_FLOAT, since the only use case or'ed
+ in the mask. Change the use in rs6000.c not to do the OR of
+ MASK_SOFT_FLOAT.
+ (ISA_2_1_MASKS): Likewise.
+ (ISA_2_2_MASKS): Likewise.
+ (ISA_2_4_MASKS): Likewise.
+ (ISA_2_5_MASKS_EMBEDDED): Likewise.
+ (ISA_2_5_MASKS_SERVER): Likewise.
+ (POWERPC_7400_MASK): Likewise.
+ (POWERPC_MASKS): Likewise.
+ * config/rs6000/rs6000.c (ISA_2_1_MASKS): Likewise.
+ (ISA_2_1_MASKS): Likewise.
+ (ISA_2_2_MASKS): Likewise.
+ (ISA_2_4_MASKS): Likewise.
+ (ISA_2_5_MASKS_EMBEDDED): Likewise.
+ (ISA_2_5_MASKS_SERVER): Likewise.
+ (POWERPC_7400_MASK): Likewise.
+ (POWERPC_MASKS): Likewise.
+ (rs6000_option_override_internal): Likewise.
+
+ * config/rs6000/rs6000.c (darwin_rs6000_override_options): Change
+ all uses of target_flags to rs6000_isa_flags. Change all uses of
+ target_flags_explicit to rs6000_isa_flags_explicit. Change the
+ use of MASK_<xxx> to OPTION_MASK_<xxx> that options.h defines when
+ we use a secondary flags word. Save/restore/print the new flags
+ word when switching contexts with different target attributes.
+ (rs6000_option_override_internal): Likewise.
+ (rs6000_darwin_file_start): Likewise.
+ (rs6000_opt_masks): Likewise.
+ (rs6000_inner_target_options): Likewise.
+ (rs6000_pragma_target_parse): Likewise.
+ (rs6000_set_current_function): Likewise.
+ (rs6000_function_specific_save): Likewise.
+ (rs6000_function_specific_restore): Likewise.
+ (rs6000_function_specific_print): Likewise.
+ (rs6000_can_inline_p): Likewise.
+ * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Likewise.
+ (rs6000_cpu_cpp_builtins): Likewise.
+ * common/config/rs6000/rs6000-driver.c (rs6000_handle_option):
+ Likewise.
+
+ * config/rs6000/rs6000.h (MASK_ALTIVEC): In moving to using
+ Var(...) for all of the isa switches, the options machinery now
+ uses OPTION_MASK_<xxx> instead of MASK_<xxx> for the mask name.
+ Use #define to map the old name into the new name. For switches
+ that are defined in aix64.opt, sysv4.opt, and darwin.opt, only do
+ the definition if those switches were defined.
+ (MASK_ALTIVEC): Likewise.
+ (MASK_CMPB): Likewise.
+ (MASK_DFP): Likewise.
+ (MASK_DLMZB): Likewise.
+ (MASK_EABI): Likewise.
+ (MASK_FPRND): Likewise.
+ (MASK_HARD_FLOAT): Likewise.
+ (MASK_ISEL): Likewise.
+ (MASK_MFCRF): Likewise.
+ (MASK_MFPGPR): Likewise.
+ (MASK_MULHW): Likewise.
+ (MASK_MULTIPLE): Likewise.
+ (MASK_NO_UPDATE): Likewise.
+ (MASK_POPCNTB): Likewise.
+ (MASK_POPCNTD): Likewise.
+ (MASK_PPC_GFXOPT): Likewise.
+ (MASK_PPC_GPOPT): Likewise.
+ (MASK_RECIP_PRECISION): Likewise.
+ (MASK_SOFT_FLOAT): Likewise.
+ (MASK_STRICT_ALIGN): Likewise.
+ (MASK_STRING): Likewise.
+ (MASK_UPDATE): Likewise.
+ (MASK_VSX): Likewise.
+ (MASK_POWERPC64): Likewise.
+ (MASK_64BIT): Likewise.
+ (MASK_RELOCATABLE): Likewise.
+ (MASK_LITTLE_ENDIAN): Likewise.
+ (MASK_MINIMAL_TOC): Likewise.
+ (MASK_REGNAMES): Likewise.
+ (MASK_PROTOTYPE): Likewise.
+ (rs6000_isa_flags_explicit): Define in terms of the
+ global_options_set structure.
+
+ * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS):
+ Change use of target_flags to rs6000_isa_flags, target_flags_explicit
+ to rs6000_isa_flags_explicit, and MASK_<xxx> to OPTION_MASK_<xxx>.
+ * config/rs6000/aix51.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
+ * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
+ * config/rs6000/aix53.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
+ * config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
+ * config/rs6000/freebsd64.h (RELOCATABLE_NEEDS_FIXUP): Likewise.
+ (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
+ * config/rs6000/freebsd.h (RELOCATABLE_NEEDS_FIXUP): Likewise.
+ * config/rs6000/linux64.h (RELOCATABLE_NEEDS_FIXUP): Likewise.
+ (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
+ (OPTION_LITTLE_ENDIAN): Likewise.
+ (OPTION_RELOCATABLE): Likewise.
+ (OPTION_EABI): Likewise.
+ (OPTION_PROTOTYPE): Likewise.
+ * config/rs6000/linux.h (RELOCATABLE_NEEDS_FIXUP): Likewise.
+ * config/rs6000/option-defaults.h (OPTION_MASK_64BIT): Likewise.
+ (OPT_ARCH32): Likewise.
+ (OPT_ARCH64): Likewise.
+ * config/rs6000/sysv4.h (TARGET_TOC): Likewise.
+ (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
+ (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
+ (TARGET_OS_SYSV_CPP_BUILTINS): Likewise.
+
+ * config/rs6000/t-rs6000 (rs6000.o): Add rs6000-cpus.def as a
+ dependency.
+
+2012-10-17 Jan Hubicka <jh@suse.cz>
+
+ * cfgloopmanip.c (copy_loop_info): New function.
+ (duplicate_loop): Use it.
+ (loop_version): Use it.
+ * loop-unswitch.c (unswitch_loop): Use it.
+ * cfgloop.h (copy_loop_info): Declare.
+
+2012-10-17 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Add edge_to_cancel
+ parameter and use it to estimate code optimized out in the final
+ iteration.
+ (loop_edge_to_cancel): New function.
+ (try_unroll_loop_completely): New IRRED_IVALIDATED parameter;
+ handle unrolling loops with bounds given via max_loop_iteratins;
+ handle unrolling non-inner loops when code size shrinks;
+ tidy dump output; when the last iteration loop still stays
+ as loop in the CFG forcongly redirect the latch to
+ __builtin_unreachable.
+ (canonicalize_loop_induction_variables): Add irred_invlaidated
+ parameter; record niter bound derrived; dump
+ max_loop_iterations bounds; call try_unroll_loop_completely
+ even if no niter bound is given.
+ (canonicalize_induction_variables): Handle irred_invalidated.
+ (tree_unroll_loops_completely): Handle non-innermost loops;
+ handle irred_invalidated.
+ * cfgloop.h (unlop): Declare.
+ * cfgloopmanip.c (unloop): Export.
+ * tree.c (build_common_builtin_nodes): Build BULTIN_UNREACHABLE.
+
+2012-10-17 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * opth-gen.awk (TARGET_* generation): Always generate TARGET_<xxx>
+ for Mask options, whether they use Var(...) or not.
+
+ * config/linux-android.h (ANDROID_TARGET_OS_CPP_BUILTINS): Use
+ TARGET_<xxx> instead of OPTION_<xxx>.
+ * config/i386/i386.h (TARGET_64BIT): Likewise.
+ (TARGET_MMX): Likewise.
+ (TARGET_3DNOW): Likewise.
+ (TARGET_3DNOW_A): Likewise.
+ (TARGET_SSE): Likewise.
+ (TARGET_SSE2): Likewise.
+ (TARGET_SSE3): Likewise.
+ (TARGET_SSSE3): Likewise.
+ (TARGET_SSE4_1): Likewise.
+ (TARGET_SSE4_2): Likewise.
+ (TARGET_AVX): Likewise.
+ (TARGET_AVX2): Likewise.
+ (TARGET_FMA): Likewise.
+ (TARGET_SSE4A): Likewise.
+ (TARGET_FMA4): Likewise.
+ (TARGET_XOP): Likewise.
+ (TARGET_LWP): Likewise.
+ (TARGET_ROUND): Likewise.
+ (TARGET_ABM): Likewise.
+ (TARGET_BMI): Likewise.
+ (TARGET_BMI2): Likewise.
+ (TARGET_LZCNT): Likewise.
+ (TARGET_TBM): Likewise.
+ (TARGET_POPCNT): Likewise.
+ (TARGET_SAHF): Likewise.
+ (TARGET_MOVBE): Likewise.
+ (TARGET_CRC32): Likewise.
+ (TARGET_AES): Likewise.
+ (TARGET_PCLMUL): Likewise.
+ (TARGET_CMPXCHG16B): Likewise.
+ (TARGET_FSGSBASE): Likewise.
+ (TARGET_RDRND): Likewise.
+ (TARGET_F16C): Likewise.
+ (TARGET_RTM): Likewise.
+ (TARGET_HLE): Likewise.
+ (TARGET_RDSEED): Likewise.
+ (TARGET_PRFCHW): Likewise.
+ (TARGET_ADX): Likewise.
+ (TARGET_64BIT): Likewise.
+ (TARGET_MMX): Likewise.
+ (TARGET_3DNOW): Likewise.
+ (TARGET_3DNOW_A): Likewise.
+ (TARGET_SSE): Likewise.
+ (TARGET_SSE2): Likewise.
+ (TARGET_SSE3): Likewise.
+ (TARGET_SSSE3): Likewise.
+ (TARGET_SSE4_1): Likewise.
+ (TARGET_SSE4_2): Likewise.
+ (TARGET_AVX): Likewise.
+ (TARGET_AVX2): Likewise.
+ (TARGET_FMA): Likewise.
+ (TARGET_SSE4A): Likewise.
+ (TARGET_FMA4): Likewise.
+ (TARGET_XOP): Likewise.
+ (TARGET_LWP): Likewise.
+ (TARGET_ROUND): Likewise.
+ (TARGET_ABM): Likewise.
+ (TARGET_BMI): Likewise.
+ (TARGET_BMI2): Likewise.
+ (TARGET_LZCNT): Likewise.
+ (TARGET_TBM): Likewise.
+ (TARGET_POPCNT): Likewise.
+ (TARGET_SAHF): Likewise.
+ (TARGET_MOVBE): Likewise.
+ (TARGET_CRC32): Likewise.
+ (TARGET_AES): Likewise.
+ (TARGET_PCLMUL): Likewise.
+ (TARGET_CMPXCHG16B): Likewise.
+ (TARGET_FSGSBASE): Likewise.
+ (TARGET_RDRND): Likewise.
+ (TARGET_F16C): Likewise.
+ (TARGET_RTM): Likewise.
+ (TARGET_HLE): Likewise.
+ (TARGET_RDSEED): Likewise.
+ (TARGET_PRFCHW): Likewise.
+ (TARGET_ADX): Likewise.
+ (TARGET_LP64): Likewise.
+ (TARGET_X32): Likewise.
+ (TARGET_ISA_ROUND): Likewise.
+ * config/i386/darwin.h (TARGET_64BIT): Likewise.
+
+ * doc/options.texi (Mask): Update documentation to specify only
+ TARGET_<xxx> is generated.
+
+2012-10-17 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.md (UNSPEC_PROLOGUE_USE): Rename this...
+ (UNSPEC_REGISTER_USE): ... to this.
+ (prologue_use): Rename this...
+ (force_register_use): ... to this and update output assembly.
+ (epilogue) Rename gen_prologue_use to gen_force_register_use.
+ * config/arm/arm.c (arm_expand_prologue): Likewise.
+ (thumb1_expand_epilogue): Likewise.
+ (arm_expand_epilogue): Likewise.
+ (arm_expand_epilogue): Likewise.
+
+2012-10-17 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-arch.h (avr_extra_arch_macro): Remove prototype.
+ * config/avr/avr.c (avr_extra_arch_macro): Remove variable.
+ (avr_option_override): Remove setting of avr_extra_arch_macro.
+ * config/avr/avr-c.c (avr_extra_arch_macro): Replace with
+ avr_current_device->macro.
+
+2012-10-17 Richard Biener <rguenther@suse.de>
+
+ * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
+ Do not write TREE_CHAIN of PARM_DECLs.
+ (write_ts_decl_non_common_tree_pointers): Instead stream
+ the DECL_ARGUMENTS chain.
+ * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
+ Do not read TREE_CHAIN of PARM_DECLs.
+ (lto_input_ts_decl_non_common_tree_pointes): Instead read
+ the DECL_ARGUMENTS as chain.
+
+2012-10-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/iq2000/iq2000.h (call_used_regs): Remove definition.
+
+2012-10-16 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/54870
+ * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
+ * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
+ SSA_NAME pointer that points to a partition if there is at least
+ one variable with it set in the partition.
+ * dse.c (local_variable_can_escape): New predicate.
+ (can_escape): Call it.
+ * gimplify.c (mark_addressable): If this is a partitioned decl, also
+ mark the SSA_NAME pointer that points to a partition.
+
+2012-10-16 Steven Bosscher <steven@gcc.gnu.org>
+
+ * df-problems.c (df_kill_notes): Split up in two functions.
+ (df_remove_dead_and_unused_notes): New function, first half of
+ df_kill notes to remove all REG_DEAD and REG_UNUSED notes.
+ (df_remove_dead_eq_notes): New function, second half of df_kill_notes
+ to remove REG_EQUAL and REG_EQUIV notes referring to dead registers.
+ (df_note_bb_compute): Call df_remove_dead_and_unused_notes instead
+ of df_kill_notes. Call df_remove_dead_eq_notes after processing insn.
+
+ * web.c (web): Re-add DF_RD_PRUNE_DEAD_DEFS;
+
+2012-10-16 Ian Lance Taylor <iant@google.com>
+
+ * doc/extend.texi (Return Address): Change
+ __builtin_extract_return_address to
+ __builtin_extract_return_addr.
+
+2012-10-16 Steven Bosscher <steven@gcc.gnu.org>
+
+ * rtl.h (get_call_rtx_from): New prototype.
+ * rtlanal.c (get_call_rtx_from): New function.
+ * calls.c (emit_call_1): Use it.
+ * dse.c (scan_insn): Likewise
+ * dwarf2out.c (dwarf2out_var_location): Likewise.
+ * sched-deps.c (call_may_noreturn_p): Likewise.
+ * var-tracking.c (prepare_call_arguments): Likewise.
+ * config/sh/sh.c (sh_adjust_cost): Likewise.
+
+2012-10-16 Tom de Vries <tom@codesourcery.com>
+
+ * expr.c (move_by_pieces, move_by_pieces_ninsns, can_store_by_pieces)
+ (store_by_pieces_1): Don't enter loop when no more data is left.
+
+2012-10-16 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * loop-doloop.c (doloop_modify): Pass doloop_end pattern to
+ gen_doloop_begin.
+ (doloop_optimize): Pass flag to indicate if loop is entered at top
+ to gen_doloop_end.
+ * config/arm/thumb2.md (doloop_end): Accept extra operand.
+ * config/bfin/bfin.md (doloop_end): Likewise.
+ * config/c6x/c6x.md (doloop_end): Likewise.
+ * config/ia64/ia64.md (doloop_end): Likewise.
+ * config/mep/mep.md (doloop_begin, doloop_end): Likewise.
+ * config/rs6000/rs6000.md (doloop_end): Likewise.
+ * config/s390/s390.md (doloop_end): Likewise.
+ * config/sh/sh.md (doloop_end): Likewise.
+ * config/spu/spu.md (doloop_end): Likewise.
+ * config/tilegx/tilegx.md (doloop_end): Likewise.
+ * config/tilepro/tilepro.md (doloop_end): Likewise.
+ * doc/md.texi (doloop_end): Document new operand.
+ * basic-block.h (contains_no_active_insn_p): Declare.
+ * cfgrtl.c (contains_no_active_insn_p): New function, factored
+ out of ...
+ (forwarder_block_p): ... here.
+
+2012-10-16 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c/53063
+ PR c/40989
+ * doc/options.texi (EnabledBy): Document new form.
+ * optc-gen.awk: Handle new form of EnabledBy.
+ * common.opt (Wunused-but-set-parameter): Use EnabledBy.
+ (Wunused-parameter): Likewise.
+ * opts.c (finish_options): Do not handle them explicitly.
+ * opt-functions.awk (search_var_name): New.
+
+2012-10-16 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c/53063
+ PR c/40989
+ * optc-gen.awk: Handle new form of LangEnabledBy.
+ * opts.c (set_Wstrict_aliasing): Declare here. Make static.
+ * common.opt (Wstrict-aliasing=,Wstrict-overflow=): Do not use Init.
+ * doc/options.texi (LangEnabledBy): Document new form.
+ * flags.h (set_Wstrict_aliasing): Do not declare.
+
+2012-10-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * reload.c (find_reloads_subreg_address): Remove FORCE_REPLACE
+ parameter. Always replace normal subreg with memory reference
+ whenever possible. Return NULL otherwise.
+ (find_reloads_toplev): Always call find_reloads_subreg_address
+ for subregs of registers equivalent to a memory location.
+ Only recurse further if find_reloads_subreg_address fails.
+ (find_reloads_address_1): Only call find_reloads_subreg_address
+ for subregs of registers equivalent to a memory location.
+ Properly handle failure of find_reloads_subreg_address.
+
+2012-10-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/54796
+ * rtl.h: Document jump flag on VALUE.
+ * cselib.h (cselib_set_value_sp_based,
+ cselib_sp_based_value_p): New prototypes.
+ * alias.c (find_base_term): For cselib_sp_based_value_p
+ return static_reg_base_value[STACK_POINTER_REGNUM].
+ * cselib.c (SP_BASED_VALUE_P): Define.
+ (cselib_set_value_sp_based, cselib_sp_based_value_p): New functions.
+ * var-tracking.c (add_stores): Call cselib_set_value_sp_based
+ for not yet preserved VALUEs of sp on sp assignments if
+ hard_frame_pointer_adjustment != -1.
+ (vt_initialize): When setting hard_frame_pointer_adjustment,
+ disassociate sp from its previous value and call
+ cselib_set_value_sp_based on a new VALUE created for sp.
+
+ PR tree-optimization/54889
+ * tree-vect-stmts.c (vectorizable_load): Add VIEW_CONVERT_EXPR if
+ ARRAY_REF newref doesn't have compatible type with vectype element
+ type, use vectype element type for MEM_REF.
+
+2012-10-16 Steven Bosscher <steven@gcc.gnu.org>
+
+ * combine.c (record_dead_and_set_regs): Iterate over hard register set
+ with a hard_reg_set_iterator.
+ * cse.c (invalidate_for_call): Likewise.
+ * gcse.c (compute_hash_table_work): Likewise.
+ * loop-iv.c (simplify_using_initial_values): Likewise.
+ * postreload-gcse.c (record_opr_changes): Likewise.
+ * regcprop.c (copyprop_hardreg_forward_1): Likewise.
+ * var-tracking.c (dataflow_set_clear_at_call): Likewise.
+
+2012-10-15 Easwaran Raman <eraman@google.com>
+
+ * optabs.c (emit_cmp_and_jump_insn_1): Add a new parameter to
+ specificy the probability of taking the jump.
+ (emit_cmp_and_jump_insns): Likewise.
+ (expand_compare_and_swap_loop): Make the jump predicted not taken.
+ * dojump.c (do_compare_rtx_and_jump): Remove the code attaching
+ REG_BR_PROB note and pass probability to emit_cmp_and_jump_insns.
+ * cfgbuild.c (compute_outgoing_frequencies): Do not guess outgoing
+ probabilities for branches with more than two successors.
+ * expr.c (emit_block_move_via_loop): Predict the loop backedge loop
+ to be highly taken.
+ (try_casesi): Pass the probability of jumping to the default label.
+ (try_tablejump): Likewise.
+ (do_tablejump): Likewise.
+ * expr.h (try_tablejump): Add a new parameter.
+ (try_casesi): Likewise.
+ (emit_cmp_and_jump_insns): Add probability as default parameter with a
+ default value of -1.
+ * except.c (sjlj_emit_function_enter): Pass probability to
+ emit_cmp_and_jump_insns.
+ * stmt.c (case_node): Add new fields PROB and SUBTREE_PROB.
+ (do_jump_if_equal): Pass probability for REG_BR_PROB note.
+ (add_case_node): Pass estimated probability of jumping to the case
+ label.
+ (emit_case_decision_tree): Pass default_prob to emit_case_nodes.
+ (get_outgoing_edge_probs): New function.
+ (conditional_probability): Likewise.
+ (reset_out_edges_aux): Likewise.
+ (compute_cases_per_edge): Likewise.
+ (emit_case_dispatch_table): Update probabilities of edges coming out
+ of the switch statement.
+ (expand_case): Compute and propagate default edge probability to
+ emit_case_dispatch_table.
+ (expand_sjlj_dispatch_table): Update calls to add_case_node and
+ emit_case_dispatch_table.
+ (balance_case_nodes): Update subtree_prob values.
+ (emit_case_nodes): Compute edge probabilities and add pass them to
+ emit_cmp_and_jump_insns.
+
+2012-10-15 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh-protos.h (set_of_reg): New struct.
+ (sh_find_set_of_reg, sh_is_logical_t_store_expr,
+ sh_try_omit_signzero_extend): Declare...
+ * config/sh/sh.c (sh_find_set_of_reg, sh_is_logical_t_store_expr,
+ sh_try_omit_signzero_extend): ...these new functions.
+ * config/sh/sh.md (*logical_op_t): New insn_and_split.
+ (*zero_extend<mode>si2_compact): Use sh_try_omit_signzero_extend
+ in splitter.
+ (*extend<mode>si2_compact_reg): Convert to insn_and_split.
+ Use sh_try_omit_signzero_extend in splitter.
+ (*mov<mode>_reg_reg): Disallow t_reg_operand as operand 1.
+ (*cbranch_t): Rewrite combine part in splitter using new
+ sh_find_set_of_reg function.
+
+2012-10-15 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54760
+ * config/sh/sh.c (sh_find_base_reg_disp): Stop searching insns when
+ hitting a call insn if GBR is marked as call used.
+ * config/sh/iterators.md (QIHISIDI): New mode iterator.
+ * config/sh/predicates.md (gbr_address_mem): New predicate.
+ * config/sh/sh.md (*movdi_gbr_load, *movdi_gbr_store): New
+ insn_and_split. Use QIHISIDI instead of QIHISI in unnamed GBR
+ addressing splits.
+
+2012-10-15 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.c: Update function attribute comments.
+ * doc/extend.texi (function_vector): Rephrase SH2A specific part.
+ (nosave_low_regs, renesas, trapa_handler): Document SH specific
+ attributes.
+ (sp_switch, trap_exit): Add to index.
+
+2012-10-15 Matthias Klose <doko@ubuntu.com>
+
+ * config.gcc: Match arm*-*-linux-* for ARM Linux/GNU.
+ * doc/install.texi: Use arm-*-*linux-* instead of arm-*-*linux-gnueabi.
+
+2012-10-15 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (UNSPEC_MOVU): Remove.
+ (UNSPEC_LOADU): New.
+ (UNSPEC_STOREU): Ditto.
+ (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
+ (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
+ (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
+ (<sse2>_movdqu<avxsizesuffix>): Split to ...
+ (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
+ (<sse2>_storedqu<avxsizesuffix>): ... this.
+ (*sse4_2_pcmpestr_unaligned): Update.
+ (*sse4_2_pcmpistr_unaligned): Ditto.
+
+ * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
+ gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
+ gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
+ (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
+ gen_sse2_load{dqu,upd} to load from unaligned memory and
+ gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
+ unaligned memory.
+ (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
+ Use CODE_FOR_sse_loadups.
+ <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
+ <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
+ <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
+ <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
+ <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
+ <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
+ <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
+ <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
+ <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
+ <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
+ <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
+
+2012-10-15 Dodji Seketeli <dodji@redhat.com>
+
+ * alias.c: Cleanup comments.
+
+2012-10-15 Marc Glisse <marc.glisse@inria.fr>
+
+ PR tree-optimization/54915
+ * tree-ssa-forwprop.c (simplify_vector_constructor): Check
+ argument's type.
+
+2012-10-15 Richard Biener <rguenther@suse.de>
+
+ * data-streamer.h (bp_pack_string_with_length): New function.
+ (bp_pack_string): Likewise.
+ (bp_unpack_indexed_string): Likewise.
+ (bp_unpack_string): Likewise.
+ * data-streamer-out.c (bp_pack_string_with_length): Likewise.
+ (bp_pack_string): Likewise.
+ * data-streamer-in.c (bp_unpack_indexed_string): Likewise.
+ (bp_unpack_string): Likewise.
+ * tree-streamer-out.c (pack_ts_translation_unit_decl_value_fields):
+ Pack TRANSLATION_UNIT_LANGUAGE here, not ...
+ (write_ts_translation_unit_decl_tree_pointers): ... here. Remove.
+ (streamer_pack_tree_bitfields): Adjust.
+ (streamer_write_tree_body): Likewise.
+ * tree-streamer-in.c (unpack_ts_translation_unit_decl_value_fields):
+ Unpack TRANSLATION_UNIT_LANGUAGE here, not ...
+ (lto_input_ts_translation_unit_decl_tree_pointers): ... here. Remove.
+ (unpack_value_fields): Adjust.
+ (streamer_read_tree_body): Likewise.
+
+2012-10-15 J"orn Rennecke <joern.rennecke@arc.com>
+
+ * genoutput.c (process_template): Process '*' in '@' alternatives.
+ * doc/md.texi (node Output Statement): Provide example for the above.
+
+2012-10-15 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54920
+ * tree-ssa-pre.c (create_expression_by_pieces): Properly
+ allocate temporary storage for all NARY elements.
+
+2012-10-15 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * web.c (union_match_dups): Properly handle OP_INOUT match_dups.
+
+2012-10-15 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Do not unnecessarily
+ copy the object in the MEM_P case.
+
+2012-10-15 Richard Guenther <rguenther@suse.de>
+
+ * tree-streamer-out.c (streamer_pack_tree_bitfields): Back
+ BINFO_BASE_ACCESSES and CONSTRUCTOR lengths here.
+ (streamer_write_chain): Write TREE_CHAIN as null-terminated list.
+ (write_ts_exp_tree_pointers): Adjust.
+ (write_ts_binfo_tree_pointers): Likewise.
+ (write_ts_constructor_tree_pointers): Likewise.
+ * tree-streamer-in.c (streamer_read_chain): Read TREE_CHAIN as
+ null-terminated list.
+ (unpack_value_fields): Unpack BINFO_BASE_ACCESSES and
+ CONSTRUCTOR lengths and materialize the arrays.
+ (lto_input_ts_exp_tree_pointers): Adjust.
+ (lto_input_ts_binfo_tree_pointers): Likewise.
+ (lto_input_ts_constructor_tree_pointers): Likewise.
+
+2012-10-14 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.c (mmix_opposite_regno): Handle the
+ return-value register too.
+
+2012-10-14 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/38711
+ * df.h (df_get_live_out, df_get_live_in): Make static inline functions.
+ * df-problems.c (df_get_live_out, df_get_live_in): Moved to df.h.
+ * ira-lives.c (process_bb_node_lives): Use df_get_live_out instead of
+ DF_LR_OUT.
+ * ira-build.c (create_bb_allocnos): Likewise.
+ (create_loop_allocnos): Likewise, and use df_get_live_in instead of
+ DF_LR_IN.
+ * ira-emit.c (generate_edge_moves): Likewise.
+ (add_ranges_and_copies): Likewise.
+ * ira-color.c (ira_loop_edge_freq): Use df_get_live_out instead of
+ DF_LR_OUT, and df_get_live_in instead of DF_LR_IN.
+ * ira.c (mark_elimination): Update DF_LR and DF_LIVE.
+ (build_insn_chain): Use df_get_live_out instead of DF_LR_OUT.
+ (do_reload): Remove the DF_LIVE problem for -O1.
+
+2012-10-14 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/54919
+ * loop-unroll.c (struct var_to_expand): Remove accum_pos field.
+ (analyze_insn_to_expand_var): Do not record accum_pos.
+ (expand_var_during_unrolling): Use validate_replace_rtx_group to
+ perform replacement of all references to SET_DEST (set) with the
+ new register, including references in REG_EQUAL notes.
+ (insert_var_expansion_initialization): Insert initializatio insns
+ at the bottom of the pre-header of the loop.
+
+2012-10-14 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
+ predict loops with multiple exits realistically.
+ * cfgloopanal.c (single_likely_exit): New function.
+
+2012-10-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.md: Remove empty predicates and/or constraints.
+ * config/alpha/sync.md: Ditto.
+
+2012-10-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.md (I24MODE): New mode iterator.
+ (any_divmod): New code iterator.
+ (<code>si3): Macroize expander from {div,mod,udiv,umod}si3 using
+ any_divmod code iterator.
+ (<code>si3): Macroize expander from {div,mod,udiv,umod}di3 using
+ any_divmod code iterator.
+ (extendqi<mode>2): Macroize insn from extendqi{hi,si}2 using
+ I24MODE mode iterator.
+ (unaligned_store<mode>): Macroize expander from unaligned_store{qi,hi}
+ using I12MODE mode iterator.
+ (mov<mode>): Macroize expander from mov{qi,hi} using
+ I12MODE mode iterator.
+
+2012-10-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/54871
+ * loop-iv.c (simplify_using_initial_values): When scanning previous
+ basic blocks, prune the recorded conditions if the current insn was
+ not used to make a replacement.
+
+ * loop-unroll.c (decide_unroll_constant_iterations): Clean up message.
+ (unroll_loop_constant_iterations): Clarify head comment.
+ (decide_unroll_runtime_iterations): Clean up message.
+ (unroll_loop_runtime_iterations): Clarify head comment.
+ (decide_peel_simple): Clean up message.
+ (peel_loop_simple): Clarify head comment.
+ (decide_unroll_stupid): Clean up message.
+ (unroll_loop_stupid): Clarify head comment.
+
+2012-10-13 Andreas Schwab <schwab@linux-m68k.org>
+
+ PR gcov-profile/44728
+ * gcov.c (create_file_names): When stripping extension only look
+ at base name.
+
+2012-10-13 Jan Hubicka <jh@suse.cz>
+
+ * loop-iv.c (determine_max_iter): Fix handling of AND.
+ (iv_number_of_iterations): Record upper bounds as unsigned
+ values.
+
+2012-10-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ira.c (ira): Set current_loops to &ira_loops before recording
+ loop exits. Release recorded exits and loops early.
+
+2012-10-13 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * builtins.c (expand_builtin_set_thread_pointer): Use
+ create_input_operand() instead of create_fixed_operand().
+
+2012-10-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.md (FMODE): New mode iterator.
+ (modesuffix): Handle SF and DF modes.
+ (opmode): New mode attribute.
+ (abs<mode>2): Macroize insn from abs{sf,df}2 using FMODE mode iterator.
+ (*nabs<mode>2): Macroize insn from *nabs{sf,df}2 using
+ FMODE mode iterator.
+ (neg<mode>2): Macroize insn from neg{sf,df}2 using FMODE mode iterator.
+ (copysign<mode>3): Macroize insn from copysign{sf,df}3 using
+ FMODE mode iterator.
+ (*ncopysign<mode>3): Macroize insn from *ncopysign{sf,df}3 using
+ FMODE mode iterator.
+ (*add<mode>3_ieee): Macroize insn from *add{sf,df}_ieee using
+ FMODE mode iterator.
+ (add<mode>3): Macroize insn from add{sf,df}3 using FMODE mode iterator.
+ (*sub<mode>3_ieee): Macroize insn from *sub{sf,df}3_ieee using
+ FMODE mode iterator.
+ (sub<mode>3): Macroize insn from sub{sf,df}3 using FMODE mode iterator.
+ (*mul<mode>3_ieee): Macroize insn from *mul{sf,df}3_ieee using
+ FMODE mode iterator.
+ (mul<mode>3): Macroize insn from mul{sf,df}3 using FMODE mode iterator.
+ (*div<mode>3_ieee): Macroize insn from *div{sf,df}3_ieee using
+ FMODE mode iterator.
+ (div<mode>3): Macroize insn from div{sf,df}3 using FMODE mode iterator.
+ (*sqrt<mode>2_ieee): Macroize insn from *sqrt{sf,df}2_ieee using
+ FMODE mode iterator.
+ (sqrt<mode>2): Macroize insn from sqrt{sf,df}2
+ using FMODE mode iterator.
+ (*mov<mode>cc_internal): Macroize insn from *mov{sf,df}cc_internal
+ using FMODE mode iterator.
+ (mov<mode>cc): Macroize expander from mov{sf,df}cc
+ using FMODE mode iterator.
+
+2012-10-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54602
+ * config/sh/sh.md: Correct define_delay for return insns.
+ (*movsi_pop): Delete.
+
+2012-10-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54680
+ * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_int2sf): Fix swapped
+ comments.
+ * config/sh/predicates.md (fpul_operand): Add comment.
+ (fpul_fsca_operand, fsca_scale_factor): New predicates.
+ * config/sh/sh.md (fsca): Move below sincossf3 expander. Convert to
+ insn_and_split. Use fpul_fsca_operand and fsca_scale_factor
+ predicates. Simplify fpul operand in splitter.
+
+2012-10-12 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-threadupdate.c (def_split_header_continue_p): Do not
+ escape the loop.
+
+2012-10-12 Jan Hubicka <jh@suse.cz>
+
+ * web.c (web_main): Do not set DF_RD_PRUNE_DEAD_DEFS flag.
+
+2012-10-12 Aaron Gray <aaronngray.lists@gmail.com>
+ Diego Novillo <dnovillo@google.com>
+
+ * gengtype-lex.l: Support for C++ single line comments.
+ Support for classes.
+ (CXX_KEYWORD): New. Support C++ keywords inline, public,
+ protected, private, template, operator, friend, &, ~.
+ (TYPEDEF): New. Support typedef.
+ * gengtype-parser.c: updated 'token_names[]'
+ (direct_declarator): Add support for parsing functions and ctors.
+
+2012-10-12 Diego Novillo <dnovillo@google.com>
+
+ * doc/gty.texi: Document C++ limitations in gengtype.
+ * gengtype-lex.l (CID): Rename from ID.
+ (ID): Include scoping '::' as part of the identifier name.
+ * gengtype-parse.c (token_names): Update.
+ (token_value_format): Update.
+ (consume_until_eos): Rename from consume_until_semi.
+ Remove unused argument IMMEDIATE. Update all callers.
+ Also consider '}' as a finalizer.
+ (consume_until_comma_or_eos): Rename from
+ consume_until_comma_or_semi.
+ Remove unused argument IMMEDIATE. Update all callers.
+ Also consider '}' as a finalizer.
+ (direct_declarator): Add documentation on ctor support.
+ Add argument IN_STRUCT.
+ If the token following ID is a '(', consider ID a
+ function and return NULL.
+ If the token following '(' is not a '*', and IN_STRUCT is true,
+ conclude that this is a ctor and return NULL.
+ If the token is IGNORABLE_CXX_KEYWORD, return NULL.
+ (inner_declarator): Add argument IN_STRUCT.
+ Update all callers.
+ (declarator): Add argument IN_STRUCT with default value false.
+ Update all callers.
+ (type): Document argument NESTED.
+ Skip over C++ inheritance specifiers.
+ If a token TYPEDEF is found, emit an error.
+ If an enum is found inside a class/structure, emit an error.
+ (typedefs, structures, param_structs, variables): Initialize.
+ (new_structure): Do not complain about duplicate
+ structures if S has a line location set.
+ * gengtype-state.c (write_state_type): Remove default handler.
+ Add handler for TYPE_NONE.
+ (read_state_scalar_char_type):
+ * gengtype.c: Fix spacing.
+ * gengtype.h (enum gty_token): Add name. Add token
+ IGNORABLE_CXX_KEYWORD.
+
+2012-10-12 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * config/arm/arm.md (get_thread_pointersi): Moved to place with
+ other TLS related patterns.
+
+2012-10-12 Richard Biener <rguenther@suse.de>
+
+ * tree-streamer-out.c (pack_ts_target_option): Rename from ...
+ (write_ts_target_option): ... this.
+ (pack_ts_optimization): Rename from ...
+ (write_ts_optimization): ... this.
+ (streamer_pack_tree_bitfields): Pack them in the bitfield section ...
+ (streamer_write_tree_body): ... not here.
+ * tree-streamer-in.c (unpack_ts_target_option): Rename from ...
+ (lto_input_ts_target_option): ... this.
+ (unpack_ts_optimization): Rename from ...
+ (lto_input_ts_optimization): ... this.
+ (unpack_value_fields): Unpack them from the bitfield section ...
+ (streamer_read_tree_body): ... not from here.
+
+2012-10-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.md (vecmodesuffix): New mode attribute.
+ (modesuffix): Handle V8QI and V4HI modes.
+ (any_maxmin): New code iterator.
+ (maxmin): New code attribute.
+ (<code><mode>3): Macroize insn from {smax,smin,umax,umin}{qi,hi}3
+ using any_maxmin code iterator and I12MODE mode iterator.
+ (<code><mode>3): Macroize insn from {smax,smin,umax,umin}{v8qi,v4hi}3
+ using any_maxmin code iterator and VEC12 mode iterator.
+
+2012-10-12 Marc Glisse <marc.glisse@inria.fr>
+
+ * optabs.c (vector_compare_rtx): Change prototype.
+ (expand_vec_cond_expr): Handle VEC_COND_EXPR whose first operand
+ is not a comparison.
+ * gimplify.c (gimplify_expr): Handle VEC_COND_EXPR.
+
+2012-10-12 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/54894
+ * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
+ Handle over-aligned scalar types properly.
+
+2012-10-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54760
+ * config/sh/sh.c (bdesc): Remove thread pointer built-ins.
+ * config/sh/sh.md (get_thread_pointer, set_thread_pointer): Append mode
+ name 'si'.
+
+2012-10-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md (negsi_cond, negdi_cond, stack_protect_test): Remove
+ get_t_reg_rtx when invoking gen_branch_true or gen_branch_false.
+ (*zero_extend<mode>si2_compact): Convert to insn_and_split. Convert
+ zero extensions of T bit stores to reg moves in splitter. Remove
+ obsolete unnamed peephole2 that caught zero extensions after negc T bit
+ stores.
+ (*branch_true_eq, *branch_false_ne): Delete.
+ (branch_true, branch_false): Convert insn to expander. Move actual
+ insn logic to...
+ (*cbranch_t): ...this new insn_and_split. Try to find preceding
+ redundant T bit stores and tests and combine them with the conditional
+ branch if possible in the splitter.
+ (movrt_xor, *movt_movrt): New insn_and_split.
+ * config/sh/predicates.md (cbranch_treg_value): New predicate.
+ * config/sh/sh-protos.h (sh_eval_treg_value): Forward declare...
+ * config/sh/sh.c (sh_eval_treg_value): ...this new function.
+ (expand_cbranchsi4, expand_cbranchdi4): Remove get_t_reg_rtx
+ when invoking gen_branch_true or gen_branch_false.
+
+2012-10-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.md (IMODE): New mode iterator.
+ (I124MODE): Ditto.
+ (I248MODE): Ditto.
+ (modesuffix): Handle QI and HI modes.
+ (zero_extendqi<mode>2): Macroize insn from zero_extendqi{hi,si,di}2
+ using I248MODE mode iterator.
+ (zero_extendhi<mode>2): Macroize insn from zero_extendhi{si,di}2
+ using I48MODE mode iterator.
+ (andnot<mode>3): Macroize insn from andnot{si,di}3 using
+ I48MODE mode iterator.
+ (ins<modesuffix>l_const): Macroize insn from ins{b,w,l}l_const
+ using I248MODE mode iterator.
+ (ins<modesuffix>l): Macroize insn from ins{b,w,l}l
+ using I248MODE mode iterator.
+ (*mov<mode>cc_internal): Macroize insn from
+ *mov{qi,hi,si,di}cc_internal using IMODE mode iterator.
+ (*mov<mode>cc_lbc): Macroize insn from
+ *mov{qi,hi,si,di}cc_lbc using IMODE mode iterator.
+ (*mov<mode>cc_lbs): Macroize insn from
+ *mov{qi,hi,si,di}cc_lbs using IMODE mode iterator.
+ (mov<mode>cc): Macroize expander from mov{si,di}cc
+ using I48MODE mode iterator.
+
+2012-10-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ira-build.c (ira_loop_tree_body_rev_postorder): New function.
+ (ira_traverse_loop_tree): Traverse a loop's basic blocks in
+ reverse post-order of the reversed control-flow direction.
+ * ira-conflicts.c (ira_build_conflicts): Pass add_copies as
+ the pre-order function to ira_traverse_loop_tree to preserve
+ the existing semantics.
+
+ * ira-lives.c (remove_some_program_points_and_update_live_ranges):
+ Squeeze out live range chain elements if their program points are
+ connected.
+
+2012-10-11 Jakub Jelinek <jakub@redhat.com>
+
+ * tree.def (REDUC_PLUS_EXPR): Fix up comment.
+
+ * fold-const.c (fold_unary_loc): Handle REDUC_MIN_EXPR,
+ REDUC_MAX_EXPR and REDUC_PLUS_EXPR.
+
+2012-10-11 James Lemke <jwlemke@codesourcery.com>
+
+ * config/rs6000/predicates.md (zero_fp_constant): Fix comment.
+ * config/rs6000/rs6000.md (return_pred): Fix null return.
+ * config/rs6000/rs6000.c (rs6000_emit_set_const): Fix indentation.
+ (print_operand): Make FALLTHRU obvious.
+ (output_cbranch): Correct comment.
+
+2012-10-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.md (DWI): New mode attribute.
+ (*sadd<modesuffix>): Macroize insn from *saddl and *saddq using
+ I48MODE mode iterator.
+ (addv<mode>3): Macroize insn from addvsi3 and addvdi3 using
+ I48MODE mode iterator.
+ (neg<mode>2): Macroize insn from negsi2 and negdi2 using
+ I48MODE mode iterator.
+ (negv<mode>2): Macroize insn from negvsi2 and negvdi2 using
+ I48MODE mode iterator.
+ (sub<mode>3): Macroize insn from subsi3 and subdi3 using
+ I48MODE mode iterator.
+ (*ssub<modesuffix>): Macroize insn from *ssubl and *ssubq using
+ I48MODE mode iterator.
+ (subv<mode>3): Macroize insn from subvsi3 and subvdi3 using
+ I48MODE mode iterator.
+ (mul<mode>3): Macroize insn from mulsi3 and muldi3 using
+ I48MODE mode iterator.
+ (mulv<mode>3): Macroize insn from mulvsi3 and mulvdi3 using
+ I48MODE mode iterator.
+ (*iornot<mode>3): Macroize insn from *iornotsi3 and *iornotdi3 using
+ I48MODE mode iterator.
+ (*xornot<mode>3): Macroize insn from *xornotsi3 and *xornotdi3 using
+ I48MODE mode iterator.
+
+2012-10-11 Jason Merrill <jason@redhat.com>
+
+ * configure.ac (gcc_cv_as_aix_ref): Fix typo.
+ * configure: Regenerate.
+
+2012-10-11 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * builtins.c (expand_builtin_thread_pointer): New.
+ (expand_builtin_set_thread_pointer): New.
+ (expand_builtin): Add BUILT_IN_THREAD_POINTER,
+ BUILT_IN_SET_THREAD_POINTER expand cases.
+ * builtins.def (BUILT_IN_THREAD_POINTER):
+ New __builtin_thread_pointer builtin.
+ (BUILT_IN_SET_THREAD_POINTER):
+ New __builtin_set_thread_pointer builtin.
+ * optabs.def (get_thread_pointer,set_thread_pointer):
+ New standard names.
+ * doc/md.texi (Standard Names): Document get_thread_pointer and
+ set_thread_pointer patterns.
+ * config/alpha/alpha.md (get_thread_pointerdi): Rename from load_tp.
+ (set_thread_pointerdi): Rename from set_tp.
+ * config/alpha/alpha.c (alpha_legitimize_address_1): Change
+ gen_load_tp calls to gen_get_thread_pointerdi.
+ (alpha_builtin): Remove ALPHA_BUILTIN_THREAD_POINTER,
+ ALPHA_BUILTIN_SET_THREAD_POINTER.
+ (code_for_builtin): Remove CODE_FOR_load_tp, CODE_FOR_set_tp.
+ (alpha_init_builtins): Remove __builtin_thread_pointer,
+ __builtin_set_thread_pointer machine-specific builtins.
+ (alpha_expand_builtin_thread_pointer): Add hook function for
+ TARGET_EXPAND_BUILTIN_THREAD_POINTER.
+ (alpha_expand_builtin_set_thread_pointer): Add hook function for
+ TARGET_EXPAND_BUILTIN_SET_THREAD_POINTER.
+ (alpha_fold_builtin): Remove ALPHA_BUILTIN_THREAD_POINTER,
+ ALPHA_BUILTIN_SET_THREAD_POINTER cases.
+ * config/arm/arm.md (get_thread_pointersi): New pattern.
+ * config/arm/arm-protos.h (arm_load_tp): Add extern declaration.
+ * config/arm/arm.c (arm_load_tp): Remove static.
+ (arm_builtins): Remove ARM_BUILTIN_THREAD_POINTER.
+ (arm_init_tls_builtins): Remove function.
+ (arm_init_builtins): Remove call to arm_init_tls_builtins().
+ (arm_expand_builtin): Remove ARM_BUILTIN_THREAD_POINTER case.
+ * config/mips/mips.md (get_thread_pointer<mode>): New pattern.
+ * config/mips/mips-protos.h (mips_expand_thread_pointer):
+ Add extern declaration.
+ * config/mips/mips.c (mips_expand_thread_pointer):
+ Renamed from mips_get_tp.
+ (mips_get_tp): New stub calling mips_expand_thread_pointer.
+ * config/s390/s390.c (s390_builtin,code_for_builtin_64,
+ code_for_builtin_31,s390_init_builtins,s390_expand_builtin): Remove.
+ * config/s390/s390.md (get_tp_64,get_tp_31,set_tp_64,set_tp_31):
+ Remove.
+ (get_thread_pointer<mode>,set_thread_pointer<mode>):
+ New, adapted from removed patterns.
+ * config/xtensa/xtensa.md (get_thread_pointersi):
+ Renamed from load_tp.
+ (set_thread_pointersi): Renamed from set_tp.
+ * config/xtensa/xtensa.c (xtensa_legitimize_tls_address):
+ Change gen_load_tp calls to gen_get_thread_pointersi.
+ (xtensa_builtin): Remove XTENSA_BUILTIN_THREAD_POINTER and
+ XTENSA_BUILTIN_SET_THREAD_POINTER.
+ (xtensa_init_builtins): Remove __builtin_thread_pointer,
+ __builtin_set_thread_pointer machine-specific builtins.
+ (xtensa_fold_builtin): Remove XTENSA_BUILTIN_THREAD_POINTER,
+ XTENSA_BUILTIN_SET_THREAD_POINTER cases.
+ (xtensa_expand_builtin): Remove XTENSA_BUILTIN_THREAD_POINTER,
+ XTENSA_BUILTIN_SET_THREAD_POINTER cases.
+
+2012-10-11 Marc Glisse <marc.glisse@inria.fr>
+
+ * doc/extend.texi (Vector Extensions): C++ improvements.
+ * doc/generic.texi (LSHIFT_EXPR, RSHIFT_EXPR): Mixed vector-scalar.
+ (LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR, NE_EXPR): Specify
+ the vector case.
+ (VEC_COND_EXPR): Document it.
+
+2012-10-11 Terry Guo <terry.guo@arm.com>
+
+ * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
+ architecture.
+ * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
+ instruction.
+
+2012-10-11 Hans-Peter Nilsson <hp@bitrange.com>
+
+ PR target/54373
+ * configure.ac (out-of-tree linker .hidden support) Set to "no"
+ for mmix-knuth-mmixware.
+ * configure: Regenerate.
+
+ * configure.ac (gcc_cv_as_comdat_group_group): Default to no.
+ * configure: Regenerate.
+
+ * acinclude.m4 (_gcc_COMPUTE_GAS_VERSION): Allow a single
+ character to quote the VERSION= contents. Sanity-check contents.
+ * configure.ac ("what linker to use" ld version extraction): Ditto.
+ * configure: Regenerate.
+
+2012-10-10 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/rs6000.h (PRINT_OPERAND_PUNCT_VALID_P): Delete '.'.
+
+2012-10-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/54877
+ * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
+ use make_ssa_name instead of copy_ssa_name.
+
+2012-10-10 Richard Biener <rguenther@suse.de>
+
+ * lto-streamer-in.c (lto_input_location_bitpack): Rename to ...
+ (lto_input_location): ... this. Kill original.
+ (input_eh_region): Adjust.
+ (input_struct_function_base): Likewise.
+ (lto_read_tree): Likewise.
+ * lto-streamer-out.c (lto_output_location_bitpack): Rename to ...
+ (lto_output_location): ... this. Kill original.
+ (lto_write_tree): Adjust.
+ (output_eh_region): Likewise.
+ (output_struct_function_base): Likewise.
+ * lto-streamer.c (lto_streamer_hooks_init): Initialize location hooks.
+ * lto-streamer.h (lto_input_location): Adjust prototype.
+ (lto_output_location): Likewise.
+ * streamer-hooks.h (struct streamer_hooks): Adjust prototype
+ of input_location and output_location hooks.
+ (stream_input_location): New define.
+ (stream_output_location): Likewise.
+ * tree-streamer-in.c (unpack_ts_block_value_fields): Adjust.
+ (unpack_value_fields): Likewise.
+ (streamer_read_tree_bitfields): Likewise.
+ (lto_input_ts_decl_minimal_tree_pointers): Likewise.
+ (lto_input_ts_exp_tree_pointers): Likewise.
+ (lto_input_ts_block_tree_pointers): Likewise.
+ * tree-streamer-out.c (pack_ts_block_value_fields): Adjust.
+ (streamer_pack_tree_bitfields): Likewise.
+ (write_ts_decl_minimal_tree_pointers): Likewise.
+ (write_ts_exp_tree_pointers): Likewise.
+ (write_ts_block_tree_pointers): Likewise.
+ * gimple-streamer-in.c (input_phi): Adjust.
+ (input_gimple_stmt): Likewise.
+ * gimple-streamer-out.c (output_phi): Adjust.
+ (output_gimple_stmt): Likewise.
+ * tree-streamer.h (streamer_read_tree_bitfields): Adjust prototype.
+ (streamer_pack_tree_bitfields): Likewise.
+
+2012-10-10 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Fix signed
+ vs. unsigned warnings by using enum type for function code.
+ (paired_expand_builtin): Likewise.
+ (spe_expand_builtin): Likewise.
+
+ * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Change
+ builtin mask, target flags masks type to HOST_WIDE_INT in
+ preparation for growing the number of ISA switches from 31 to 63.
+
+ * config/rs6000/rs6000.opt (rs6000_builtin_mask): Make mask type
+ HOST_WIDE_INT.
+
+ * config/rs6000/rs6000.c (struct builtin_description): Make
+ builtin mask field HOST_WIDE_INT. Make target flags field
+ HOST_WIDE_INT in preparation for growing the # of ISA switches.
+ (struct rs6000_builtin_info_type): Likewise.
+ (struct rs6000_ptt): Likewise.
+ (rs6000_builtin_mask_calculate): Likewise.
+ (rs6000_invalid_builtin): Likewise.
+ (rs6000_builtin_decl): Likewise.
+ (rs6000_common_init_builtins): Likewise.
+ (rs6000_darwin_file_start): Likewise.
+ (rs6000_final_prescan_insn): Likewise.
+ (rs6000_inner_target_options): Likewise.
+ (build_target_option_node): Likewise.
+ (rs6000_function_specific_print): Likewise.
+ (DEBUG_FMT_W): New format for printing HOST_WIDE_INT in hex.
+
+ * config/rs6000/rs6000-protos.h (rs6000_builtin_mask_calculate):
+ Make target flags, builtin masks arguments/return values
+ HOST_WIDE_INT in preparation for growing the number of ISA from 31
+ to 63.
+ (rs6000_target_modify_macros): Likewise.
+ (rs6000_target_modify_macros_ptr): Likewise.
+
+ * config/rs6000/rs6000.c (DEBUG_FMT_ID): Move "-32s" to a separate
+ define and change DEBUG_FMT_<x> to use it.
+ (DEBUG_FMT_D): Likewise.
+ (DEBUG_FMT_S): Likewise.
+ (DEBUG_FMT_X): Delete, no longer used.
+ (DEBUG_FMT_W): Likewise.
+ (DEBUG_FMT_WX): New debug format for printing options in a
+ friendly fashion.
+ (rs6000_debug_reg_global): If -mdebug=reg, print all of the
+ options in target_flags and target_flags_explicit. Print the
+ default options for -mcpu=<xxx>, -mtune=<xxx>, and the default
+ options. Adjust printing out the builtin options.
+ (rs6000_option_override_internal): Change printing the builtin
+ options to use rs6000_print_builtin_options.
+ (rs6000_function_specific_print): Change to use
+ rs6000_print_isa_options to print ISA flags.
+ (rs6000_print_options_internal): New function for expanded
+ -mdebug=reg option printing to print both the ISA options, and the
+ builtins that are enabled.
+ (rs6000_print_isa_options): New function to print the ISA options.
+ (rs6000_print_builtin_options): New function to print the builtin
+ functions enabled.
+
+2012-10-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/51109
+ * config/i386/bdver1.md (bdver1-mult): Remove.
+
+ PR middle-end/54879
+ * combine.c (count_rtxs): Use RTX_BIN_ARITH resp. RTX_COMM_ARITH
+ instead of '2' resp. 'c' for GET_RTX_CLASS comparisons.
+
+ PR middle-end/54862
+ * simplify-rtx.c (simplify_truncation): Compare UINTVAL instead of
+ INTVAL of second argument with precision resp. op_precision.
+
+2012-10-10 Dodji Seketeli <dodji@redhat.com>
+
+ PR middle-end/54860 - Make sure attributes hash table is created
+ * attribs.c (register_scoped_attributes): Ensure the attribute
+ hash table is created.
+
+2012-10-10 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
+
+ PR target/51109
+ * config/i386/bdver1.md (bdver1_int): Automaton has been
+ split to reduce state transitions.
+
+2012-10-10 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/54876
+ * ipa-prop.c (prune_expression_for_jf_1): New function.
+ (prune_expression_for_jf): Clear EXPR_LOCATION for all
+ sub-expressions as well.
+
+2012-10-10 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config.gcc: Enable zEC12 for with-arch and with-tune
+ configure switches.
+ * common/config/s390/s390-common.c (processor_flags_table): Add
+ zEC12 entry.
+ * config/s390/2827.md: New file.
+ * config/s390/s390-opts.h (enum processor_type): Add
+ PROCESSOR_2827_ZEC12.
+ * config/s390/s390.h (enum processor_flags): Add PF_ZEC12.
+ (TARGET_CPU_ZEC12, TARGET_ZEC12): New macro definitions.
+ * config/s390/s390.c (zEC12_cost): New definition.
+ (s390_option_override): Set costs for zEC12.
+ Set parameter defaults for zEC12.
+ (legitimate_reload_fp_constant_p): Adjust comment.
+ (preferred_la_operand_p): Adjust comment.
+ (s390_expand_insv): Generate insv pattern without CC clobber for zEC12.
+ (s390_adjust_priority): Add zEC12 check.
+ (s390_issue_rate): Return 2 for zEC12.
+ (s390_reorg): Enable code optimizations for zEC12.
+ (s390_sched_reorder): Reorder insns according to OOO attributes.
+ (s390_get_sched_attrmask): New function.
+ (s390_sched_score): New function.
+ (s390_sched_variable_issue): Update s390_sched_state.
+ (s390_sched_init): Reset s390_sched_state.
+ (s390_loop_unroll_adjust): Enable for zEC12.
+ * config/s390/s390.opt: Add zEC12 processor type value.
+ * config/s390/s390.md: Enable mnemonic attribute.
+ (attr cpu, cpu_facility): Add zEC12.
+ Include 2827.md.
+ ("*insv<mode>_zEC12", "*insv<mode>_zEC12_noshift")
+ ("*load_and_trap<mode>"): New insn definition.
+ ("*cmp_and_trap_unsigned_int<mode>"): Add clt and clgt.
+
+2012-10-09 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/sparc.md (type attribute): Add new types 'visl'
+ (VIS logical operation), 'vismv' (VIS move), and 'pdistn'. Rename
+ 'fgm_pdist' to 'pdist'.
+ (*movsi_insn): Use vismv and visl.
+ (*movdi_insn_sp64): Likewise.
+ (*movsf_insn): Likewise.
+ (*movdf_insn_sp64): Likewise.
+ (*mov<VM32:mode>_insn): Likewise, use 'fsrc2s' instead of 'fsrc1s'.
+ (*mov<VM64:mode>_insn_sp64): Likewise, use 'fsrc2s'
+ instead of 'fsrc1s'.
+ (*mov<VM64:mode>_insn_sp32): Likewise, use 'fsrc2s'
+ instead of 'fsrc1s'.
+ (VIS logical instructions): Mark as visl.
+ (pdist_vis): Use 'pdist'.
+ (pditsn<mode>_vis): Use 'pdistn'.
+ * config/sparc/ultra1_2.md: Adjust for new VIS attribute types.
+ * config/sparc/ultra3.md: Likewise.
+ * config/sparc/niagara.md: Likewise.
+ * config/sparc/niagara2.md: Likewise.
+ * config/sparc/niagara4.md: Add cpu units "n4_slot2" and
+ "n4_load_store" for special store scheduling. Use them in load
+ and store reservations. Integer divide and multiply can only
+ issue in slot-1. Represent 1-cycle VIS moves and 3-cycle VIS
+ logic operations.
+
+2012-10-10 Dehao Chen <dehao@google.com>
+
+ * tree-eh.c (lower_try_finally_onedest): Set correct location for
+ deallocator.
+ * gimplify.c (gimplify_expr): Set correct location for TRY stmt.
+
+2012-10-10 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/52480
+ * config/sh/sh.md (extv, extzv): Check that operands[3] is zero,
+ regardless of the endianness.
+
+2012-10-09 Lawrence Crowl <crowl@google.com>
+
+ * Makefile.in (fold-const.o): Add depencence on hash-table.h.
+ (dse.o): Likewise.
+ (cfg.o): Likewise.
+ * fold-const.c (fold_checksum_tree): Change to new
+ type-safe hash table.
+ * (print_fold_checksum): Likewise.
+ * cfg.c (var bb_original): Likewise.
+ * (var bb_copy): Likewise.
+ * (var loop_copy): Likewise.
+ * hash-table.h (template hash_table): Constify parameters for find...
+ and remove_elt... member functions.
+ (hash_table::empty) Correct size expression.
+ (hash_table::clear_slot) Correct deleted entry assignment.
+ * dse.c (var rtx_group_table): Change to new type-safe hash table.
+
+2012-10-09 Steven Bosscher <steven@gcc.gnu.org>
+
+ * basic-block. (profile_record): New struct, moved from passes.c.
+ * cfghooks.h (struct cfg_hooks) <account_profile_record>: New hook.
+ (account_profile_record): New prototype.
+ * cfghooks.c (account_profile_record): New function.
+ * tree-cfg.c (gimple_account_profile_record): New function
+ (gimple_cfg_hooks): Add it.
+ * cfgrtl.c (rtl_account_profile_record): New function
+ (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Add it.
+ * passes.c (check_profile_consistency): Simplify. Move IR-dependent
+ code around using cfghooks machinery.
+
+2012-10-09 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54760
+ * doc/extend.texi (Target Builtins): Add SH built-in section.
+ Document __builtin_thread_pointer and __builtin_set_thread_pointer.
+
+2012-10-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
+
+ PR middle-end/53397
+ * tree-ssa-loop-prefetch.c (gather_memory_references_ref):
+ Perform non constant step prefetching in inner loop, only
+ when it is invariant in the entire loop nest.
+ * tree-ssa-loop-prefetch.c (dump_mem_details): New function to dump
+ base, step and delta values of memeory reference analysed for
+ prefetching.
+ * tree-ssa-loop-prefetch.c (dump_mem_ref): Call dump_mem_details
+ to print base, step and delta values of memory reference.
+ * cfgloop.h (loop_outermost): New function that returns outermost
+ loop for a given loop in a loop nest.
+
+2012-10-09 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/54837
+ * cfgexpand.c (expand_debug_source_expr): Move checking
+ code conditional on a found decl_debug_args vector.
+
+2012-10-09 Richard Guenther <rguenther@suse.de>
+
+ * tree-streamer.c (streamer_tree_cache_get): Move ...
+ * tree-streamer.h (streamer_tree_cache_get): ... here as inline.
+
+2012-10-09 Jan Hubicka <jh@suse.cz>
+
+ * loop-unroll.c (unroll_loop_constant_iterations): Add
+ update of loop->nb_iterations_upper_bound I missed in my previous
+ commit; use TRUNC_DIV_EXPR instead of FLOOR_DIV_EXPR to divide
+ iteration count.
+ (decide_unroll_runtime_iterations): Avoid overflow.
+ (unroll_loop_runtime_iterations): Use TRUNC_DIV_EXPR instead of
+ FLOOR_DIV_EXPR to update iteration bounds.
+ (decide_peel_simple): Avoid integer overflow when deciding
+ on number of peelings.
+ (decide_unroll_stupid): Likewise.
+
+2012-10-09 Tobias Burnus <burnus@net-b.de>
+
+ * lto-cgraph.c (input_node_opt_summary): Remove unused code.
+ * lto-opts.c (append_to_collect_gcc_options): Fix condition.
+ * lto-symtab.c (lto_cgraph_replace_node): Don't xstrdup string
+ which is passed to fprintf.
+
+2012-10-09 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/54194
+ * tree.h: Add EXPR_LOC_OR_LOC.
+
+2012-10-09 Nick Clifton <nickc@redhat.com>
+
+ PR rtl-optimization/54739
+ * config/mcore/mcore.md: (anddi3, iordi3, xordi3): Delete patterns.
+
+ PR target/54661
+ * config/mcore/mcore.c (mcore_output_movedouble): Fix typo.
+
+2012-10-09 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c++/54427
+ * fold-const.c (fold_binary_loc): Use build_zero_cst instead of
+ build_int_cst for a potential vector.
+
+2012-10-08 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/atom.md (atom_sse_4): Merge atom_sse_attr attibutes.
+ (atom_sse_5): Ditto.
+
+2012-10-08 Marc Glisse <marc.glisse@inria.fr>
+
+ PR target/54400
+ * config/i386/i386.md (type attribute): Add sseadd1.
+ (unit attribute): Add support for sseadd1.
+ (memory attribute): Likewise.
+ * config/i386/athlon.md: Likewise.
+ * config/i386/core2.md: Likewise.
+ * config/i386/atom.md: Likewise.
+ * config/i386/ppro.md: Likewise.
+ * config/i386/bdver1.md: Likewise.
+ * config/i386/sse.md (sse3_h<plusminus_insn>v2df3): Split into...
+ (sse3_haddv2df3): ... expander.
+ (*sse3_haddv2df3): ... define_insn. Accept permuted operands.
+ (sse3_hsubv2df3): ... define_insn.
+ (*sse3_haddv2df3_low): New define_insn.
+ (*sse3_hsubv2df3_low): New define_insn.
+
+2012-10-08 Jan Hubicka <jh@suse.cz>
+
+ * loop-unswitch.c (unswitch_single_loop): Use
+ estimated_loop_iterations_int to prevent unswitching when loop
+ is known to not roll.
+ * tree-ssa-loop-niter.c (estimated_loop_iterations): Do not segfault
+ when SCEV is not initialized.
+ (max_loop_iterations): Likewise.
+ * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Use
+ estimated_loop_iterations_int to prevent unswithcing when
+ loop is known to not roll.
+ * tree-scalar-evolution.c (scev_initialized_p): New function.
+ * tree-scalar-evolution.h (scev_initialized_p): Likewise.
+ * loop-unroll.c (decide_peel_once_rolling): Use
+ max_loop_iterations_int.
+ (unroll_loop_constant_iterations): Update
+ nb_iterations_upper_bound and nb_iterations_estimate.
+ (decide_unroll_runtime_iterations): Use
+ estimated_loop_iterations or max_loop_iterations;
+ (unroll_loop_runtime_iterations): fix profile updating.
+ (decide_peel_simple): Use estimated_loop_iterations
+ and max_loop_iterations.
+ (decide_unroll_stupid): Use estimated_loop_iterations
+ ad max_loop_iterations.
+ * loop-doloop.c (doloop_modify): Use max_loop_iterations_int.
+ (doloop_optimize): Likewise.
+ * loop-iv.c (iv_number_of_iterations): Use record_niter_bound.
+ (find_simple_exit): Likewise.
+ * cfgloop.h (struct niter_desc): Remove niter_max.
+
+2012-10-08 Marek Polacek <polacek@redhat.com>
+
+ PR debug/54831
+ * var-tracking.c (vt_add_function_parameter): Use condition instead
+ of gcc_assert.
+
+2012-10-08 Dehao Chen <dehao@google.com>
+
+ * predict.c (predict_loops): Predict for short-circuit conditions.
+ (predict_extra_loop_exits): New Function.
+
+2012-10-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ * bitmap.h (bitmap_and_into): Update prototype.
+ * bitmap.c (bitmap_and_into): Return true if the target bitmap
+ changed, false otherwise.
+
+ * df.h (df_dump_insn_problem_function): New function type.
+ (struct df_problem): Add two functions, to dump just before and
+ just after an insn.
+ (DF_RD_PRUNE_DEAD_DEFS): New changable flag.
+ (df_dump_insn_top, df_dump_insn_bottom): New prototypes.
+ * df-core (df_dump_region): Use dump_bb.
+ (df_dump_bb_problem_data): New function.
+ (df_dump_top, df_dump_bottom): Rewrite using df_dump_bb_problem_data.
+ (df_dump_insn_problem_data): New function.
+ (df_dump_insn_top, df_dump_insn_bottom): New functions.
+ * df-scan.c (problem_SCAN): Add NULL fields for new members.
+ * df-problems.c (df_rd_local_compute): Ignore hard registers if
+ DF_NO_HARD_REGS is in effect.
+ (df_rd_transfer_function): If DF_RD_PRUNE_DEAD_DEFS is in effect,
+ prune reaching defs using the LR problem.
+ (df_rd_start_dump): Fix dumping of DEFs map.
+ (df_rd_dump_defs_set): New function.
+ (df_rd_top_dump, df_rd_bottom_dump): Use it.
+ (problem_RD): Add NULL fields for new members.
+ (problem_LR, problem_LIVE): Likewise.
+ (df_chain_bb_dump): New function.
+ (df_chain_top_dump): Dump only for artificial DEFs and USEs,
+ using df_chain_bb_dump.
+ (df_chain_bottom_dump): Likewise.
+ (df_chain_insn_top_dump, df_chain_insn_bottom_dump): New functions.
+ (problem_CHAIN): Add them as new members.
+ (problem_WORD_LR, problem_NOTE): Add NULL fields for new members.
+ (problem_MD): Likewise.
+ * cfgrtl.c (rtl_dump_bb): Use df_dump_insn_top and df_dump_insn_bottom.
+ (print_rtl_with_bb): Likewise.
+
+ * dce.c (init_dce): Use DF_RD_PRUNE_DEAD_DEFS.
+ * loop-invariant.c (find_defs): Likewise.
+ * loop-iv.c (iv_analysis_loop_init): Likewise.
+ * ree.c (find_and_remove_re): Likewise.
+ * web.c (web_main): Likewise.
+
+2012-10-08 Jason Merrill <jason@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_code_end): Protect the use of
+ ASM_WEAKEN_DECL with #if RS6000_WEAK.
+
+2012-10-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54825
+ * tree-ssa-sccvn.c (vn_nary_length_from_stmt): Handle BIT_FIELD_REF.
+ (init_vn_nary_op_from_stmt): Likewise.
+ * tree-ssa-pre.c (compute_avail): Use vn_nary_op_lookup_stmt.
+ * tree-ssa-sccvn.h (sizeof_vn_nary_op): Avoid overflow.
+
+2012-10-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-pre.c (postorder_num): New global.
+ (compute_antic): Initialize all blocks and adjust for
+ generic postorder.
+ (my_rev_post_order_compute): Remove.
+ (init_pre): Use inverted_post_order_compute.
+
+2012-10-08 Bernd Schmidt <bernds@codesourcery.com>
+
+ * sched-int.h (schedule_block): Adjust declaration.
+ * sched-rgn.c (bb_state_array, bb_state): New static variables.
+ (sched_rgn_init): Initialize them.
+ (sched_rgn_free): Free them.
+ (schedule_region): Save scheduling state for future blocks, and
+ pass such state to schedule_block.
+ * params.def (PARAM_SCHED_STATE_EDGE_PROB_CUTOFF): New.
+ * doc/invoke.texi (--param): Document it.
+ * haifa-sched.c (schedule_block): New arg init_state. Use it to
+ initialize state if nonnull. All callers changed.
+ Call advance_one_cycle after scheduling.
+
+2012-10-08 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54854
+ * doc/invoke.texi (AVR Options): Remove -mshort-calls.
+ * config/avr/avr.opt (-mshort-calls): Remove option.
+ * config/avr/avr.h (AVR_HAVE_JMP_CALL): Don't depend on
+ TARGET_SHORT_CALLS.
+
+2012-10-08 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54685
+ * config/sh/sh.md (one_cmplsi2): Make insn_and_split. Add manual
+ combine matching for an insn sequence where a ge:SI pattern
+ can be used.
+
+2012-10-08 Dodji Seketeli <dodji@redhat.com>
+
+ PR c++/53528 C++11 attribute support
+ * plugin.h (register_scoped_attributes): Declare new function.
+ * tree.h (enu attribute_flags::ATTR_FLAG_CXX_11): New flag.
+ (lookup_scoped_attribute_spec, cxx_11_attribute_p)
+ (get_attribute_name, get_attribute_namespace): Declare new functions.
+ (struct attribute_spec): Remove const qualifier from the members.
+ * tree.c (comp_type_attributes, private_lookup_attribute)
+ (lookup_ident_attribute, remove_attribute, merge_attribute)
+ (attribute_hash_list, attribute_list_contained): Use
+ get_attribute_name.
+ * attribs.c (decl_attributes): Don't crash on error_mark_node.
+ Forbid c++11 attributes appertaining to type-specifiers.
+ (attribute_hash): Remove global variable.
+ (attributes_table): New global variable.
+ (find_attribute_namespace, register_scoped_attribute): New static
+ functions.
+ (register_scoped_attributes, lookup_scoped_attribute_spec)
+ (cxx11_attribute_p, get_attribute_name, get_attribute_namespace):
+ New public functions.
+ (init_attributes): Register all the GNU attributes into the "gnu"
+ namespace.
+ (register_attribute): Use register_scoped_attribute to register
+ the attribute into the "gnu" namespace.
+ (lookup_attribute_spec): Use lookup_scoped_attribute_spec to
+ lookup the attribute in the "gnu" namespace.
+ (decl_attributes): Use new get_attribute_namespace and
+ lookup_scoped_attribute_spec to consider attribute namespaces when
+ looking up attributes. When operating in c++-11 mode, pass flag
+ ATTR_FLAG_CXX11 to the spec handler.
+
+2012-10-08 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54815
+ * config/avr/avr.md (*add<mode>3, add<mode>3, addpsi3): Make
+ constraint alternative "r,0,r" slighly more expensive.
+ (sub<mode>3, andqi3, andhi3, andpsi3, andsi3): Ditto.
+ (iorqi3, iorhi3, iorpsi3, iorsi3): Ditto.
+ (xorhi3, xorpsi3, xorsi3): Ditto.
+
+2012-10-08 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54760
+ * config/sh/sh.md (*mov<mode>_gbr_load, *mov<mode>_gbr_store): New
+ insns and accompanying unnamed splits.
+ * config/sh/predicates.md (general_movsrc_operand,
+ general_movdst_operand): Reject GBR addresses.
+ * config/sh/sh-protos.h (sh_find_equiv_gbr_addr): New declaration.
+ * config/sh/sh.c (sh_address_cost, sh_legitimate_address_p,
+ sh_secondary_reload): Handle GBR addresses.
+ (base_reg_disp): New class.
+ (sh_find_base_reg_disp, sh_find_equiv_gbr_addr): New functions.
+
+2012-10-08 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.c (mmix_output_octa): Don't assume
+ HOST_WIDEST_INT_PRINT_HEX starts with "0x". Instead use
+ HOST_WIDE_INT_PRINT_HEX_PURE, falling back to
+ HOST_WIDEST_INT_PRINT_UNSIGNED.
+
+2012-10-07 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * machmode.h (GET_MODE_UNIT_PRECISION): New macro.
+ * simplify-rtx.c (simplify_truncation): New function,
+ extracted from simplify_subreg and (in small part) from
+ simplify_unary_operation_1.
+ (simplify_unary_operation_1) <TRUNCATE>: Use it. Remove sign bit
+ test for !TRULY_NOOP_TRUNCATION_MODES_P.
+ (simplify_subreg): Use simplify_truncate for lowpart subregs
+ where both the inner and outer modes are scalar integers.
+ * config/mips/mips.c (mips_truncated_op_cost): New function.
+ (mips_rtx_costs): Adjust test for BADDU.
+ * config/mips/mips.md (*baddu_di<mode>): Push truncates to operands.
+
+2012-10-07 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline-analysis.c (do_estimate_edge_time): Return actual
+ time spent by the inlined sequence.
+ (do_estimate_edge_growth): Rename to ...
+ (do_estimate_edge_time): ... this one; return size of inlined sequence.
+ * ipa-inline.h (do_estimate_edge_size): New.
+ (do_estimate_edge_growth): Remove.
+ (estimate_edge_size): New function.
+ (estimate_edge_growth): Use it.
+
+2012-10-07 Jan Hubicka <jh@suse.cz>
+
+ * lto-cgraph.c (lto_symtab_encoder_new): New parameter FOR_INPUT.
+ (lto_symtab_encoder_delete): Update.
+ (lto_symtab_encoder_encode): Update.
+ (compute_ltrans_boundary): Update.
+ (input_symtab): Update.
+ * lto-streamer.h (lto_symtab_encoder_new): Update.
+
+2012-10-07 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips-protos.h (mips_split_type): New enum.
+ (mips_split_64bit_move_p, mips_split_doubleword_move): Delete.
+ (mips_split_move_p, mips_split_move, mips_split_move_insn_p)
+ (mips_split_move_insn): Declare.
+ * config/mips/mips.c (mips_tuning_info): New variable.
+ (mips_load_store_insns): Use mips_split_move_insn_p instead of
+ mips_split_64bit_move_p.
+ (mips_emit_move_or_split, mips_mult_move_p): New functions.
+ (mips_split_64bit_move_p): Rename to...
+ (mips_split_move_p): ...this and take a mips_split_type argument.
+ Generalize to all moves. Call mips_mult_move_p.
+ (mips_split_doubleword_move): Rename to...
+ (mips_split_move): ...this and take a mips_split_type argument.
+ Assert that mips_split_move_p holds.
+ (mips_insn_split_type, mips_split_move_insn_p, mips_split_move_insn):
+ New functions.
+ (mips_output_move): Use mips_split_move_p instead of
+ mips_split_64bit_move_p. Handle MULT $0, $0 moves.
+ (mips_save_reg): Use mips_emit_move_or_split.
+ (mips_sim_reset): Assign to curr_state. Call targetm.sched.init
+ and advance_state.
+ (mips_sim_init): Call targetm.sched.init_dfa_pre_cycle_insn and
+ targetm.sched.init_dfa_post_cycle_insn, if defined.
+ (mips_sim_next_cycle): Assign to curr_state. Use advance_state
+ instead of state_transition.
+ (mips_sim_issue_insn): Assign to curr_state. Use
+ targetm.sched.variable_issue to see how many more insns can be issued.
+ (mips_seq_time, mips_mult_zero_zero_cost)
+ (mips_set_fast_mult_zero_zero_p, mips_set_tuning_info)
+ (mips_expand_to_rtl_hook): New functions.
+ (TARGET_EXPAND_TO_RTL_HOOK): Define.
+ * config/mips/mips.md (move_type): Add imul.
+ (type): Map imul move_types to imul.
+ (*movdi_32bit, *movti): Add imul alternatives.
+ Use mips_split_move_insn_p and mips_split_move_insn instead of
+ mips_split_64bit_move_p and mips_split_doubleword_move in move
+ splitters.
+
+2012-10-06 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/rs6000.c (print_operand) ['A']: Delete.
+
+2012-10-06 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/52764
+ * ginclude/stdint-wrap.h: In C++11 if __STDC_HOSTED__ define
+ __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS.
+ * ginclude/stdint-gcc.h: In C++11 unconditionally define
+ limit and constant macros.
+
+2012-10-06 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/54249
+ * ginclude/stddef.h: In C++11 mode declare nullptr_t in the global
+ namespace.
+
+2012-10-06 Jan Hubicka <jh@suse.cz>
+
+ PR lto/53831
+ PR lto/54776
+ * lto-streamer-out.c (produce_symtab): Cleanup; drop v1 API hack.
+
+2012-10-06 Dehao Chen <dehao@google.com>
+
+ PR debug/54826
+ * gimple-low.c (lower_stmt): Set the block for call args.
+
+2012-10-06 Jan Hubicka <jh@suse.cz>
+
+ * doc/invoke.texi (-fprofile-report): Document.
+ * common.opt (-fprofile-report): New option.
+ * toplev.c (finalize): Call dump_profile_report.
+ * toplev.h (profile_report): Declare.
+ * passes.c (profile_record): New static var.
+ (check_profile_consistency): New function.
+ (dump_profile_record): New function.
+ (execute_one_ipa_transform_pass): Call check_profile_consistency.
+ (execute_one_pass): Likewise.
+
+2012-10-06 Jan Hubicka <jh@suse.cz>
+
+ PR lto/54790
+ * lto-streamer.h (lto_symtab_register_decl, lto_symtab_get_resolution,
+ lto_mark_nothrow_fndecl, lto_fixup_nothrow_decls): Remove.
+ * lto-symtab.c (lto_symtab_register_decl): Remove.
+
+2012-10-06 Andreas Schwab <schwab@linux-m68k.org>
+
+ PR rtl-optimization/54739
+ * config/m68k/m68k.md (anddi3, iordi3, xordi3, one_cmpldi2): Remove.
+
+2012-10-06 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54760
+ * config/sh/sh.md (define_constants): Add UNSPECV_GBR.
+ (get_thread_pointer, set_thread_pointer): New expanders.
+ (load_gbr): Rename to store_gbr. Remove GBR_REG use.
+ (store_gbr): New insn.
+ * config/sh/sh.c (prepare_move_operands): Use gen_store_gbr instead of
+ gen_load_gbr in TLS_MODEL_LOCAL_EXEC case.
+ (sh1_builtin_p): New function.
+ (signature_args): Add SH_BLTIN_VP.
+ (bdesc): Add __builtin_thread_pointer and __builtin_set_thread_pointer.
+
+2012-10-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR rtl-optimization/54739
+ * config/pa/pa.md: Remove DImode and, not and, ior and xor patterns
+ for 32-bit targets. Adjust expanders.
+
+ * config/pa/pa.md: Adjust unamed HImode add insn pattern.
+
+2012-10-05 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.c (builtin_description): Add is_enabled member.
+ (shmedia_builtin_p): New function.
+ (bdesc): Use shmedia_builtin_p for existing built-ins.
+ (sh_media_init_builtins, sh_init_builtins): Merge into single function
+ sh_init_builtins. Add is_enabled checking. Move variable declarations
+ to where they are actually used.
+ (sh_media_builtin_decl, sh_builtin_decl): Merge into single function
+ sh_builtin_decl. Add is_enabled checking.
+ (sh_expand_builtin): Move variable declarations to where they are
+ actually used.
+
+2012-10-05 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-inline.c (expand_call_inline): Move VAR_DECLs with
+ PARM_DECL origins from remapped DECL_INITIAL's BLOCK_VARS
+ into id->block's BLOCK_VARS.
+
+ PR debug/54519
+ * ipa-split.c (split_function): Add debug args and debug source
+ and normal stmts for args_to_skip which are gimple regs.
+ * tree-inline.c (copy_debug_stmt): When inlining, adjust source
+ debug bind stmts to debug binds of corresponding DEBUG_EXPR_DECL.
+
+2012-10-05 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md: Fix indentations of insn C snippets.
+
+2012-10-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/54811
+ * tree-ssa-live.c (clear_unused_block_pointer_1): Look at
+ DECL_DEBUG_EXPR again.
+
+2012-10-05 Jan Hubicka <jh@suse.cz>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33763
+ * tree-inline.c (expand_call_inline): Silently ignore always_inline
+ attribute for redefined extern inline functions.
+
+2012-10-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-vectorizer.h (vect_estimate_min_profitable_iters): Remove.
+ * tree-vect-loop.c (vect_estimate_min_profitable_iters): Declare here.
+ (vect_analyze_loop_operations): Use loop count estimate to rule out
+ unprofitable vectorization.
+ (vect_estimate_min_profitable_iters): Return
+ ret_min_profitable_estimate.
+
+2012-10-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/54810
+ * tree-vrp.c (register_edge_assert_for_2): Handle
+ NAME = (unsigned) NAME2; if (NAME cmp CST) for
+ narrowing casts to unsigned integral type like
+ NAME = NAME2 & CST2; if (NAME cmp CST) where CST2
+ is the max value of the unsigned integral type.
+
+2012-10-04 Jeff Law <law@redhat.com>
+
+ PR target/50356
+ * config/h8300/h8300.c (h8300_rtx_costs): Fix typo in CONST_INT case.
+
+2012-10-04 Jason Merrill <jason@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_code_end): Protect the use of
+ ASM_WEAKEN_DECL with #if RS6000_WEAK.
+
+2012-10-04 Basile Starynkevitch <basile@starynkevitch.net>
+
+ * gengtype.c (walk_type): Emit mark_hook when inside a
+ struct of a union member.
+
+2012-10-04 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/predicates.md (flash_operand): New predicate.
+ * config/avr/avr.md (reload_in<mode>): Use it in operand 1 instead
+ of memory_operand.
+
+2012-10-04 Tobias Burnus <burnus@net-b.de>
+
+ * gcc.c (record_temp_file, add_sysrooted_prefix, process_command,
+ do_self_spec, compare_debug_dump_opt_spec_function): Plug memleaks.
+ (do_spec_1): Ditto, fix out-of-bound access.
+ * opts.c (common_handle_option): Plug memleak.
+
+2012-10-04 Jason Merrill <jason@redhat.com>
+
+ * config/darwin.c (darwin_assemble_visibility): Treat
+ VISIBILITY_INTERNAL as hidden.
+
+ * config/darwin-c.c (find_subframework_file): Add missing const.
+ (framework_construct_pathname): Likewise.
+
+2012-10-04 Florian Weimer <fweimer@redhat.com>
+
+ * doc/cpp.texi (Pragmas): Document #pragma GCC warning, #pragma
+ GCC error.
+
+2012-10-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/54735
+ * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
+ cleaning up the CFG.
+
+2012-10-04 Richard Guenther <rguenther@suse.de>
+
+ PR lto/47799
+ * tree-streamer-out.c (write_ts_block_tree_pointers): For
+ inlined functions outer scopes write the ultimate origin
+ as BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION.
+ Do not stream the fragment chains.
+ * tree-streamer-in.c (lto_input_ts_block_tree_pointers): Likewise.
+ * dwarf2out.c (gen_subprogram_die): Handle NULL DECL_INITIAL.
+ (dwarf2out_decl): Always output DECL_ABSTRACT function decls.
+
+2012-10-04 Arnaud Charlet <charlet@adacore.com>
+
+ * dumpfile.h, dumpfile.c: Remove TDI_ada.
+
+2012-10-04 Yuri Rumyantsev <ysrumyan@gmail.com>
+
+ * config/i386/i386.c (ix86_dep_by_shift_count_body) : Add
+ check on reload_completed since it can be invoked before
+ register allocation phase in pre-reload schedule.
+ (ia32_multipass_dfa_lookahead) : Do not use dfa_lookahead for
+ pre-reload schedule to save compile time.
+ (ix86_sched_reorder) : Do not perform ready list reordering for
+ pre-reload schedule to save compile time.
+ (insn_is_function_arg) : New function. Returns true if lhs of insn is
+ HW function argument register.
+ (add_parameter_dependencies) : New function. Add output dependencies
+ for chain of function adjacent arguments if only there is a move to
+ likely spilled HW registers. Return first argument if at least one
+ dependence was added or NULL otherwise.
+ (avoid_func_arg_motion) : New function. Add output or anti dependency
+ from insn to first_arg to restrict code motion.
+ (add_dependee_for_func_arg) : New function. Avoid cross block motion of
+ function argument through adding dependency from the first non-jump
+ insn in bb.
+ (ix86_dependencies_evaluation_hook) : New function. Hook for
+ pre-reload schedule: avoid motion of function arguments passed in
+ likely spilled HW registers.
+ (ix86_adjust_priority) : New function. Hook for pre-reload schedule:
+ set priority of moves from likely spilled HW registers to maximum to
+ schedule them as soon as possible.
+ (ix86_sched_init_global): Do not perform multipass scheduling for
+ pre-reload schedule to save compile time.
+
+2012-10-04 Uros Bizjak <ubizjak@gmail.com>
+
+ * configure.ac (noexception_flags): Add -fasynchronous-unwind-tables.
+ * configure: Regenerate.
+
+2012-10-04 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_can_use_simple_return_p): Return false for
+ SHmedia and SHcompact using call cookie.
+ * config/sh/sh.md (epilogue): Emit non-inlined return insns for
+ SHmedia and SHcompact using call cookie.
+
+2012-10-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md (*mov_t_msb_neg): New insn and two accompanying
+ unnamed split patterns.
+
+2012-10-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/50457
+ * config/sh/sh.c (parse_validate_atomic_model_option): Handle name
+ strings in sh_atomic_model.
+ * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Move macro implementation
+ to ...
+ * config/sh/sh-c.c (sh_cpu_cpp_builtins): ... this new function.
+ Add __SH1__ and __SH2__ defines. Add __SH_ATOMIC_MODEL_*__ define.
+ * config/sh/sh-protos.h (sh_atomic_model): Add name and cdef_name
+ variables.
+ (sh_cpu_cpp_builtins): Declare new function.
+
+2012-10-03 Dehao Chen <dehao@google.com>
+
+ PR middle-end/54782
+ * tree-cfg.c (move_block_to_fn): Update lexical block for phi_args.
+
+2012-10-03 Vladimir Makarov <vmakarov@redhat.com>
+
+ * reginfo.c (max_regno_since_last_resize): New.
+ (reg_preferred_class, reg_alternate_class): Add assert.
+ (allocate_reg_info): Initialize allocated reg info.
+ (resize_reg_info): Make bigger reg_info and initialize new memory.
+ (reginfo_init): Initialize max_regno_since_last_resize.
+ (setup_reg_classes): Change assert.
+
+2012-10-03 Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
+
+ * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
+ in SSE and YMM state support check for -march=native.
+
+2012-10-03 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.c (struct decl_chain): New local structure.
+ (warned_decls): New local variable. Contains a stack of decls for
+ which warnings have been issued.
+ (add_warned_decl): Adds a decl to the stack.
+ (already_warned): Returns true if a given decl is on the stack.
+ (rx_set_current_function): Issue a warning if multiple fast
+ interrupt handlers are defined.
+ * config/rx/rx.opt (mwarn-multiple-fast-interrupts): New option.
+ * doc/invoke.texi: Document the option.
+
+2012-10-03 Mark Kettenis <kettenis@openbsd.org>
+
+ * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
+ default_use_cxa_atexit to yes.
+
+2012-10-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/54792
+ * sched-deps.c (find_modifiable_mems): Scan also TAIL insn.
+
+2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/54785
+ * doc/invoke.texi: Document -mprefer-avx128.
+
+2012-10-02 Andrew Pinski <apinski@cavium.com>
+
+ * simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
+ Don't optimize a truncate of a mem if it is a vector mode.
+
+2012-10-02 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54551
+ * Makefile.in (VALTRACK_H): Add hash-table.h.
+ * valtrack.h: Include hash-table.h.
+ (struct dead_debug_global_entry): New.
+ (struct dead_debug_hash_descr): New.
+ (struct dead_debug_global): New.
+ (struct dead_debug): Rename to...
+ (struct dead_debug_local): ... this. Adjust all uses.
+ (dead_debug_global_init, dead_debug_global_finish): New.
+ (dead_debug_init): Rename to...
+ (dead_debug_local_init): ... this. Adjust all callers.
+ (dead_debug_finish): Rename to...
+ (dead_debug_local_finish): ... this. Adjust all callers.
+ * valtrack.c (dead_debug_global_init): New.
+ (dead_debug_init): Rename to...
+ (dead_debug_local_init): ... this. Take global parameter.
+ Save it and initialize used bitmap from it.
+ (dead_debug_global_find, dead_debug_global_insert): New.
+ (dead_debug_global_replace_temp): New.
+ (dead_debug_promote_uses): New.
+ (dead_debug_finish): Rename to...
+ (dead_debug_local_finish): ... this. Promote remaining uses.
+ (dead_debug_global_finish): New.
+ (dead_debug_add): Try to replace global temps first.
+ (dead_debug_insert_temp): Support global replacements.
+ * dce.c (word_dce_process_block, dce_process_block): Add
+ global_debug parameter. Pass it on.
+ (fast_dce): Initialize, pass on and finalize global_debug.
+ * df-problems.c (df_set_unused_notes_for_mw): Adjusted.
+ (df_create_unused_notes, df_note_bb_compute): Likewise.
+ (df_note_compute): Justify local-only dead debug analysis.
+
+2012-10-02 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/53135
+ * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
+ when needed.
+
+2012-10-02 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/54177
+ * var-tracking.c (vt_add_function_parameter): Bail if
+ var_lowpart fails.
+
+2012-10-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/54741
+ * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
+ (XSTATE_FP): Likewise.
+ (XSTATE_SSE): Likewise.
+ (XSTATE_YMM): Likewise.
+ (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
+ SSE and YMM states aren't supported.
+
+2012-10-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.md (*baddu_si_eb, *baddu_si_el): Merge into...
+ (*baddu_si): ...this new pattern.
+
+2012-10-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira-int.h (target_ira_int): Add x_ira_useful_class_mode_regs.
+ (ira_useful_class_mode_regs): New macro.
+ * ira.c (clarify_prohibited_class_mode_regs): Set up
+ ira_useful_class_mode_regs.
+ * ira-color.c (setup_profitable_hard_regs): Use it to initialise
+ profitable_hard_regs.
+
+2012-10-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira.h (target_ira): Add x_ira_class_singleton.
+ (ira_class_singleton): New macro.
+ * ira.c (setup_prohibited_class_mode_regs): Set up ira_class_singleton.
+ * ira-build.c (update_conflict_hard_reg_costs): Use
+ ira_class_singleton to check for classes with a single
+ allocatable register.
+ * ira-lives.c (ira_implicitly_set_insn_hard_regs): Likewise.
+ (single_reg_class): Likewise. When more than one class is specified,
+ check whether they have the same singleton register.
+ (process_single_reg_class_operands): Require single_reg_class
+ to return NO_REGS or a class with a single allocatable register.
+ Obtain that register from ira_class_singleton.
+
+2012-10-02 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal): If
+ -mcpu=<xxx> is not specified and the compiler is not configured
+ using --with-cpu=<xxx>, use the bits from the TARGET_DEFAULT to
+ set the initial options.
+
+2012-10-02 Sharad Singhai <singhai@google.com>
+
+ PR testsuite/54772
+ * tree-vect-stmts.c (vectorizable_operation): Add missing return.
+
+2012-10-02 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
+ set TARGET_ALTIVEC_VRSAVE for TARGET_ELF.
+ (rs6000_stack_info): Only set vrsave_mask if TARGET_ALTIVEC_VRSAVE.
+
+2012-10-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/54713
+ * expr.c (categorize_ctor_elements_1): Don't assume purpose is
+ non-NULL.
+ * tree-cfg.c (verify_gimple_assign_single): Add verification of
+ vector CONSTRUCTORs.
+ * tree-ssa-sccvn.c (vn_reference_lookup_3): For VECTOR_TYPE
+ CONSTRUCTORs, don't do anything if element type is VECTOR_TYPE,
+ and don't check index.
+ * tree-vect-slp.c (vect_get_constant_vectors): VIEW_CONVERT_EXPR ctor
+ elements first if their type isn't compatible with vector element type.
+
+2012-10-02 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.h (DECL_NONLOCAL_FRAME): New macro.
+ * tree-nested.c (get_frame_type): Set DECL_NONLOCAL_FRAME.
+ * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Stream in
+ DECL_NONLOCAL_FRAME flag.
+ * tree-streamer-out.c (pack_ts_decl_common_value_fields): Stream out
+ DECL_NONLOCAL_FRAME flag.
+
+2012-10-02 Marc Glisse <marc.glisse@inria.fr>
+
+ * tree-ssa-forwprop.c (forward_propagate_into_cond): Don't use
+ boolean_type_node for vectors.
+
+2012-10-01 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (toplevel): Include dumpfile.h.
+ (rs6000_density_test): Rework to accommodate 09-30 change by
+ Sharad Singhai.
+
+ * config/rs6000/t-rs6000 (rs6000.o): Add dumpfile.h dependency.
+
+2012-10-01 Dehao Chen <dehao@google.com>
+
+ PR middle-end/54759
+ * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Use
+ LOCATION_LOCUS to compare with UNKNOWN_LOCATION.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ * tree-vectorizer.c (vectorize_loops): Likewise.
+
+2012-10-01 Andrew MacLeod <amacleod@redhat.com>
+
+ PR target/54087
+ * optabs.c (expand_atomic_fetch_op_no_fallback): New. Factored code
+ from expand_atomic_fetch_op.
+ (expand_atomic_fetch_op): Try atomic_{add|sub} operations in terms of
+ the other one if direct opcode fails.
+
+2012-10-01 Uros Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/54457
+ * simplify-rtx.c (simplify_subreg):
+ Simplify (subreg:M (op:N ((x:N) (y:N)), 0)
+ to (op:M (subreg:M (x:N) 0) (subreg:M (x:N) 0)), where
+ the outer subreg is effectively a truncation to the original mode M.
+
+2012-10-01 Richard Guenther <rguenther@suse.de>
+
+ * builtins.def (ATTR_MATHFN_FPROUNDING): Do not use no-vops
+ with -frounding-math.
+ * builtin-attrs.def (ATTR_PURE_NOTHROW_NOVOPS_LIST): Remove.
+ (ATTR_PURE_NOTHROW_NOVOPS_LEAF_LIST): Likewise.
+
+2012-10-01 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.h (copy_mem_ref_info): Delete.
+ * tree-ssa-address.c (copy_mem_ref_info): Likewise.
+ (maybe_fold_tmr): Copy flags manually.
+ * tree-ssa-loop-im.c (simple_mem_ref_in_stmt): Rewrite.
+
+2012-10-01 Marc Glisse <marc.glisse@inria.fr>
+
+ * simplify-rtx.c (simplify_binary_operation_1) <VEC_SELECT>:
+ Detect the identity.
+ <VEC_CONCAT>: Handle VEC_SELECTs from the same vector.
+
+2012-10-01 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/50457
+ * config/sh/sh.opt (matomic-model): New option.
+ (msoft-atomic): Mark as deprecated and alias to
+ matomic-model=soft-gusa.
+ (mhard-atomic): Delete.
+ * config/sh/predicates.md (gbr_displacement): New predicate.
+ * config/sh/sh-protos.h (sh_atomic_model): New struct.
+ (selected_atomic_model): New declaration.
+ (TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT, TARGET_ATOMIC_SOFT_GUSA,
+ TARGET_ATOMIC_HARD_LLCS, TARGET_ATOMIC_SOFT_TCB,
+ TARGET_ATOMIC_SOFT_TCB_GBR_OFFSET_RTX, TARGET_ATOMIC_SOFT_IMASK):
+ New macros.
+ * config/sh/linux.h (SUBTARGET_OVERRIDE_OPTIONS): Adapt setting to
+ default atomic model.
+ * config/sh/sh.c (selected_atomic_model_): New global variable.
+ (selected_atomic_model, parse_validate_atomic_model_option): New
+ functions.
+ (sh_option_override): Replace atomic selection checks with call to
+ parse_validate_atomic_model_option.
+ * config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
+ UNSUPPORTED_HARD_ATOMIC_CPU): Delete.
+ (DRIVER_SELF_SPECS): Remove atomic checks.
+ config/sh/sync.md: Update documentation comments.
+ (atomic_compare_and_swap<mode>, atomic_exchange<mode>,
+ atomic_fetch_<fetchop_name><mode>, atomic_fetch_nand<mode>,
+ atomic_<fetchop_name>_fetch<mode>, atomic_nand_fetch<mode>): Use
+ TARGET_ATOMIC_ANY as condition. Add TARGET_ATOMIC_STRICT check for
+ SH4A case. Handle new TARGET_ATOMIC_SOFT_TCB and
+ TARGET_ATOMIC_SOFT_IMASK cases.
+ (atomic_test_and_set): Handle new TARGET_ATOMIC_SOFT_TCB and
+ TARGET_ATOMIC_SOFT_IMASK cases.
+ (atomic_compare_and_swapsi_hard, atomic_exchangesi_hard,
+ atomic_fetch_<fetchop_name>si_hard, atomic_fetch_nandsi_hard,
+ atomic_<fetchop_name>_fetchsi_hard, atomic_nand_fetchsi_hard):
+ Add TARGET_ATOMIC_STRICT check.
+ (atomic_compare_and_swap<mode>_hard, atomic_exchange<mode>_hard,
+ atomic_fetch_<fetchop_name><mode>_hard, atomic_fetch_nand<mode>_hard,
+ atomic_<fetchop_name>_fetch<mode>_hard, atomic_nand_fetch<mode>_hard,
+ atomic_test_and_set_hard): Use TARGET_ATOMIC_HARD_LLCS condition.
+ (atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
+ atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
+ atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
+ atomic_test_and_set_soft): Append _gusa to the insn names and use
+ TARGET_ATOMIC_SOFT_GUSA as condition.
+ (atomic_compare_and_swap<mode>_soft_tcb,
+ atomic_exchange<mode>_soft_tcb,
+ atomic_fetch_<fetchop_name><mode>_soft_tcb,
+ atomic_fetch_nand<mode>_soft_tcb,
+ atomic_<fetchop_name>_fetch<mode>_soft_tcb,
+ atomic_nand_fetch<mode>_soft_tcb, atomic_test_and_set_soft_tcb):
+ New insns.
+ (atomic_compare_and_swap<mode>_soft_imask,
+ atomic_exchange<mode>_soft_imask,
+ atomic_fetch_<fetchop_name><mode>_soft_imask,
+ atomic_fetch_nand<mode>_soft_imask,
+ atomic_<fetchop_name>_fetch<mode>_soft_imask,
+ atomic_nand_fetch<mode>_soft_imask, atomic_test_and_set_soft_imask):
+ New insns.
+ * doc/invoke.texi (SH Options): Document new matomic-model option.
+ Remove msoft-atomic and mhard-atomic options.
+
+2012-10-01 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ PR target/54746
+ * config/s390/s390.c (s390_option_override): Add missing break.
+
+2012-09-30 Sharad Singhai <singhai@google.com>
+
+ * dumpfile.c: New file with parts moved from tree-dump.c.
+ (pflags): New variable.
+ (alt_flags): Ditto.
+ (alt_dump_file): Ditto.
+ (dump_files): Update to include additional fields.
+ (struct dump_option_value_info): Add additional entries.
+ (get_dump_file_name): Use command line filename if available.
+ (dump_open_alternate_stream): New function.
+ (dump_loc): Ditto.
+ (dump_gimple_stmt): Ditto.
+ (dump_gimple_stmt_loc): Ditto.
+ (dump_generic_expr): Ditto.
+ (dump_generic_expr_loc): Ditto.
+ (dump_printf): Ditto.
+ (dump_printf_loc): Ditto.
+ (dump_start): Ditto.
+ (dump_finish): Ditto.
+ (dump_begin): Ditto.
+ (dump_enabled_p): Return true if either of the dump types is enabled.
+ (dump_initialized_p): Return true if either type of dump is
+ initialized.
+ (dump_end): Do not close standard streams.
+ (dump_enable_all): Handle filenames for regular dumps.
+ (dump_switch_p_1): Handle command-line dump filenames.
+ (opt_info_enable_all): New function.
+ (opt_info_switch_p_1): Ditto.
+ (opt_info_switch_p): Ditto.
+ (dump_kind_p): Ditto.
+ (dump_basic_block): Ditto.
+ (dump_combine_total_stats): Ditto.
+ (dump_remap_tree_vectorizer_verbose): Ditto.
+ * gimple-pretty-print.h: Rename dump_gimple_stmt to
+ pp_gimple_stmt_1. All callers updated.
+
+2012-09-30 Sharad Singhai <singhai@google.com>
+
+ * doc/invoke.texi: Add documentation for the new -fopt-info option.
+ * tree-dump.c: Move general dump file related functionality into
+ dumpfile.c. Remove unneeded headers.
+ * tree-dump.h: Move function declarations into dumpfile.h.
+ * dumpfile.h: Include "line-map.h". Add defines for MSG flags.
+ (struct dump_file_info): Move here from tree-dump.c. Rename flags
+ to pflags, state to pstate, stream to pstream, filename to
+ pfilename. All callers updated. Add alt_flags, alt_state,
+ alt_filenmae, alt_stream.
+ * tree-vectorizer.c: Include "dumpfile.h". Remove vect_dump.
+ (vect_set_dump_settings): Remove.
+ (vect_print_dump_info): Ditto.
+ * tree-vectorizer.h: Remove declaration of vect_dump and
+ vect_print_dump_info.
+ * tree-vect-loop.c: Include "dumpfile.h". Use new dump style.
+ * tree-vect-data-refs.c: Ditto.
+ * tree-vect-stmts.c: Ditto.
+ * tree-vect-slp.c: Ditto.
+ * tree-vect-patterns.c: Ditto.
+ * tree-vect-loop-manip.c: Ditto.
+ * opts.c (vect_set_verbosity_level): Remove.
+ (common_handle_option): Handle -fopt-info flag. Deprecate
+ -ftree-vectorizer-verbose.
+ * tree-parloops.c (gather_scalar_reductions): Remove reference to
+ vect_dump.
+ * flag-types.h: Remove vect_verbosity_levels.
+ * common.opt: Add -fopt-info. Deprecate -ftree-vectorizer-verbose.
+ * opts-global.c (dump_remap_tree_vectorizer_verbose): New function.
+ (handle_common_deferred_options): Handle -fopt-info and
+ -ftree-vectorizer-verbose.
+ * Makefile.in: Add dumpfile.o.
+ (tree-dump.o): Update dependencies.
+ (tree-vect-loop.o): Ditto.
+ (tree-vect-loop-manip.o): Ditto.
+ (tree-vect-slp.o): Ditto.
+ (tree-vect-stmts.o): Ditto.
+ (tree-vectorizer.o): Ditto.
+ (opts.o): Ditto.
+ * passes.c (finish_optimization_passes): Instead of using
+ dump_begin/dump_end, use dump_start/dump_finish. Do not use dump_file.
+ (pass_init_dump_file): Ditto.
+
+2012-09-30 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ PR rtl-optimization/38449:
+ * hooks.c (hook_bool_const_rtx_const_rtx_true): New function.
+ * hooks.h (hook_bool_const_rtx_const_rtx_true): Declare.
+ * target.def: Merge in definitions and documentation for
+ TARGET_CAN_FOLLOW_JUMP.
+ * doc/tm.texi.in: Add documentation locations for the above.
+ * doc/tm.texi: Regenerate.
+ * reorg.c (follow_jumps): New parameters jump and crossing.
+ Changed all callers.
+
+2012-09-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ * reorg.c (relax_delay_slots): Use delay_insn consistently.
+
+ * config/sparc/sparc.c (gen_stack_pointer_dec): Delete.
+ (sparc_expand_epilogue): Use gen_stack_pointer_inc and adjust.
+ (sparc_flat_expand_epilogue): Likewise.
+ (emit_and_preserve): Likewise.
+ (sparc_fold_builtin): Fix thinko in latest change.
+
+2012-09-30 Andreas Schwab <schwab@linux-m68k.org>
+
+ * config/m68k/m68k.md: Add names to bitfield insert and extract
+ insns.
+ (*insv_8_16_reg): Remove constraints and conditions that assume
+ that operand 0 could be a MEM.
+ (*extzv_8_16_reg, *extv_8_16_reg): Likewise, for operand 1.
+
+2012-09-30 Jan Hubicka <jh@suse.cz>
+
+ * cfgloop.c (scale_loop_profile): Move to...
+ * cfgloopmanip.c (scale_loop_profile): .. here; use
+ scale_loop_frequencies.
+ (loopify): Use RDIV.
+
+2012-09-28 Jan Hubicka <jh@suse.cz>
+
+ * tree-call-cdce.c (shrink_wrap_one_built_in_call): Update profile.
+
+2012-09-28 Jan Hubicka <jh@suse.cz>
+
+ * function.c (dup_block_and_redirect): Update profile.
+
+2012-09-29 Andreas Tobler <andreast@fgznet.ch>
+
+ * config.gcc: Replace 'host' with 'target' when configuring for
+ powerpc64*-*-freebsd.
+
+2012-09-29 Marc Glisse <marc.glisse@inria.fr>
+
+ * tree.c (truth_type_for): New function.
+ * tree.h (truth_type_for): Declare.
+ * gimple-fold.c (and_comparisons_1): Call it.
+ (or_comparisons_1): Likewise.
+ * tree-ssa-forwprop.c (forward_propagate_into_cond): Don't use
+ boolean_type_node for vectors.
+
+2012-09-28 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (RDIV): Define.
+ (EDGE_FREQUENCY): Simplify.
+ (check_probability, combine_probabilities, apply_probability,
+ inverse_probability): New.
+ * cfgloop.c (scale_loop_profile): New function.
+ * cfgloop.h (scale_loop_profile): Declare.
+ (slpeel_add_loop_guard): Add probability parameter.
+ (set_prologue_iterations): Add probability parameter.
+ (slpeel_tree_peel_loop_to_edge): Add bound1 and bound2 parameters;
+ update probabilities correctly.
+ (vect_do_peeling_for_alignment, vect_gen_niters_for_prolog_loop): New.
+
+2012-09-20 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR bootstrap/54688
+ * sched-deps.c (parse_add_or_inc): Remove MINUS handling. Take
+ STACK_GROWS_DOWNWARD into account.
+
+2012-09-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/54716
+ * config/i386/predicates.md (nonimmediate_or_const_vector_operand):
+ New predicate.
+ * config/i386/i386.c (ix86_expand_vector_logical_operator): New
+ function.
+ * config/i386/i386-protos.h (ix86_expand_vector_logical_operator): New
+ prototype.
+ * config/i386/sse.md (<code><mode>3 VI logic): Use it.
+
+ PR tree-optimization/54713
+ * fold-const.c (vec_cst_ctor_to_array): Give up if vector CONSTRUCTOR
+ has vector elements.
+ (fold_ternary_loc) <case BIT_FIELD_REF>: Likewise.
+ * tree-vect-generic.c (vector_element): Don't rely on CONSTRUCTOR elts
+ indexes. Use BIT_FIELD_REF if CONSTRUCTOR has vector elements.
+ (lower_vec_perm): Use NULL_TREE CONSTRUCTOR indexes.
+
+2012-09-28 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (adjust_len): Add lpm.
+ (reload_in<mode>): Use avr_out_lpm for output. Use "lpm" for
+ adjust_len.
+ * config/avr/avr-protos.h (avr_out_lpm): New prototype.
+ * config/avr/avr.c (avr_out_lpm): Make global.
+ (adjust_insn_length): Handle ADJUST_LEN_LPM.
+
+2012-09-28 Richard Guenther <rguenther@suse.de>
+
+ PR lto/47799
+ * lto-streamer-out.c (tree_is_indexable): Make PARM_DECLs global.
+ (lto_output_tree_ref): Handle references to them.
+ (output_function): Do not output function arguments again.
+ * lto-streamer-in.c (input_function): Do not input arguments
+ again, nor overwrite them.
+
+2012-09-28 Richard Guenther <rguenther@suse.de>
+
+ * cgraph.h (symtab_node_base): Re-order and pack fields.
+
+2012-09-28 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
+
+2012-09-28 Georg-Johann Lay <avr@gjlay.de>
+
+ PR rtl-optimization/52543
+ * config/avr/avr.c (avr_mode_dependent_address_p): Return true for
+ all non-generic address spaces.
+ (TARGET_SECONDARY_RELOAD): New hook define to...
+ (avr_secondary_reload): ...this new static function.
+ * config/avr/avr.md (reload_in<mode>): New insns.
+
+ Undo r185605 (mostly):
+ * config/avr/avr-protos.h (avr_load_lpm): Remove.
+ * config/avr/avr.c (avr_load_libgcc_p): Don't restrict to __flash
+ loads.
+ (avr_out_lpm): Also handle loads > 1 byte.
+ (avr_load_lpm): Remove.
+ (avr_find_unused_d_reg): New static function.
+ (avr_out_lpm_no_lpmx): New static function.
+ (adjust_insn_length): Remove ADJUST_LEN_LOAD_LPM.
+ * config/avr/avr.md (unspec): Remove UNSPEC_LPM.
+ (load_<mode>_libgcc): Use MEM instead of UNSPEC_LPM.
+ (load_<mode>, load_<mode>_clobber): Remove.
+ (mov<mode>): For multi-byte move from non-generic
+ 16-bit address spaces: Expand to *mov<mode> again.
+ (load<mode>_libgcc): New expander.
+ (split-lpmx): Remove split.
+
+2012-09-27 Dehao Chen <dehao@google.com>
+
+ * tree.h (tree_constructor): Remove IS_UNKNOWN_LOCATION.
+ (extern void protected_set_expr_location): Likewise.
+ (function_args_iter_next): Likewise.
+ (inlined_function_outer_scope_p): Likewise.
+ * input.h (IS_UNKNOWN_LOCATION): Likewise.
+ * fold-const.c (expr_location_or): Likewise.
+ * lto-cgraph.c (output_node_opt_summary): Likewise.
+ * dwarf2out.c (add_src_coords_attributes): Likewise.
+ * tree-eh.c (lower_try_finally_dup_block): Likewise.
+ * profile.c (branch_prob):
+ * cfgexpand.c (expand_gimple_cond): Likewise.
+ (expand_gimple_basic_block): Likewise.
+ (construct_exit_block): Likewise.
+ (gimple_expand_cfg): Likewise.
+ * cfgcleanup.c (try_forward_edges): Likewise.
+ * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
+ (dump_scope_block): Likewise.
+ * ipa-prop.c (ipa_write_jump_function): Likewise.
+ * rtl.h (extern void rtl_check_failed_flag): Likewise.
+ * gimple.h (gimple_set_location): Likewise.
+ (gimple_has_location): Likewise.
+ * cfgrtl.c (unique_locus_on_edge_between_p): Likewise.
+ (force_nonfallthru_and_redirect): Likewise.
+ (fixup_reorder_chain): Likewise.
+ (cfg_layout_merge_blocks): Likewise.
+
+2012-09-27 Meador Inge <meadori@codesourcery.com>
+
+ * gcc-ar.c (main): Handle the returning of the sub-process error
+ code correctly.
+
+2012-09-27 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * lower-subreg.c (enum classify_move_insn): Rename
+ SIMPLE_PSEUDO_REG_MOVE to DECOMPOSABLE_SIMPLE_MOVE.
+ (find_decomposable_subregs): Update.
+ (decompose_multiword_subregs): Add DECOMPOSE_COPIES parameter.
+ Only mark pseudo-to-pseudo copies as DECOMPOSABLE_SIMPLE_MOVE
+ if that parameter is true.
+ (rest_of_handle_lower_subreg): Call decompose_multiword_subregs
+ with DECOMPOSE_COPIES false.
+ (rest_of_handle_lower_subreg2): Call decompose_multiword_subregs
+ with DECOMPOSE_COPIES true.
+
+2012-09-27 Marek Polacek <polacek@redhat.com>
+
+ * doc/gcov.texi (Gcov Data Files): Fix a typo.
+
+2012-09-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/54703
+ * simplify-rtx.c (simplify_binary_operation_1): Perform
+ (x - (x & y)) -> (x & ~y) optimization only for integral modes.
+
+2012-09-27 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c/53024
+ PR c++/54427
+ * doc/extend.texi (Vector Extensions): C++ improvements.
+ Power of 2 size requirement.
+
+2012-09-27 Richard Guenther <rguenther@suse.de>
+
+ PR lto/54709
+ * lto-symtab.c (resolution_guessed_p): Remove.
+ (set_resolution_guessed): Likewise.
+ (lto_symtab_register_decl): Remove assert.
+ (lto_symtab_resolve_symbols): Do not alter symbol resolutions
+ and return the prevailing symbol, checking for multiple prevailing
+ symbols here.
+ (lto_symtab_merge_decls_1): Use the result from
+ lto_symtab_resolve_symbols. Do not alter symbol resolutions.
+
+2012-09-26 Steve Ellcey <sellcey@mips.com>
+
+ PR web/54711
+ * doc/install.texi: Fix example.
+
+2012-09-26 Dehao Chen <dehao@google.com>
+
+ * tree-ssa-live.c (clear_unused_block_pointer): Use explicitit (void)
+ for function parameter.
+ (remove_unused_locals): Don't use LOCATION_BLOCK if it is NULL.
+
+2012-09-26 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * doc/extend.texi (bswap Builtins): Change signed types to unsigned
+ types.
+
+2012-09-26 Ian Lance Taylor <iant@google.com>
+
+ * diagnostic.c (bt_callback): Cast pc when calling fprintf.
+
+2012-09-26 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/54674
+ * gimple-ssa-strength-reduction.c (analyze_increments): Don't
+ introduce a multiplication with a pointer operand.
+
+2012-09-26 Georg-Johann Lay <avr@gjlay.de>
+
+ PR middle-end/54635
+ * doc/tm.texi.in (TARGET_MODE_DEPENDENT_ADDRESS_P): Document new
+ parameter addrspace.
+ * doc/tm.texi: Regenerate.
+ * target.def (mode_dependent_address_p): Add addr_space_t parameter.
+ * targhooks.h (default_mode_dependent_address_p): Ditto.
+ * targhooks.c (default_mode_dependent_address_p): Ditto.
+ * expr.c (convert_move): Pass address space to
+ mode_dependent_address_p.
+ * combine.c (combine_simplify_rtx): Ditto.
+ (make_extraction): Ditto.
+ (simplify_shift_const_1): Ditto.
+ (gen_lowpart_for_combine): Ditto.
+ * lower-subreg.c (simple_move_operand): Ditto.
+ * recog.c (simplify_while_replacing): Ditto.
+ (offsettable_address_addr_space_p): Ditto.
+ (mode_dependent_address_p): Ditto.
+ * simplify-rtx.c (simplify_unary_operation_1): Ditto.
+ (simplify_subreg): Ditto.
+ * config/m68k/m68k.md: Ditto.
+ * config/vax/vax.md: Ditto.
+ * config/vax/constraints.md (Q): Ditto.
+ * config/vax/predicates.md (indexed_memory_operand): Ditto.
+ * config/alpha/alpha.c (alpha_mode_dependent_address_p): Add
+ unused addr_space_t parameter.
+ * config/avr/avr.c (avr_mode_dependent_address_p): Ditto.
+ * config/h8300/h8300.c (h8300_mode_dependent_address_p): Ditto.
+ * config/m32r/m32r.c (m32r_mode_dependent_address_p): Ditto.
+ * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): Ditto.
+ * config/rx/rx.c (rx_mode_dependent_address_p): Ditto.
+ * config/sparc/sparc.c (sparc_mode_dependent_address_p): Ditto.
+ * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
+ Ditto.
+ * config/vax/vax.c (vax_mode_dependent_address_p): Ditto.
+ * config/xtensa/xtensa.c (xtensa_mode_dependent_address_p): Ditto.
+
+2012-09-26 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * tree-ssa-math-opts.c (bswap_stats): Add found_16bit field.
+ (execute_optimize_bswap): Add support for builtin_bswap16.
+
+2012-09-26 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (DECL_IS_BUILTIN): Compare LOCATION_LOCUS.
+
+2012-09-26 Ian Lance Taylor <iant@google.com>
+
+ * diagnostic.c: Include "demangle.h" and "backtrace.h".
+ (bt_stop): New static array.
+ (bt_callback, bt_err_callback): New static functions.
+ (diagnostic_action_after_output): Call backtrace_full for DK_ICE.
+ * Makefile.in (BACKTRACE): New variable.
+ (BACKTRACEINC, LIBBACKTRACE): New variables.
+ (BACKTRACE_H): New variable.
+ (LIBDEPS, LIBS): Add $(LIBBACKTRACE).
+ (INCLUDES): Add $(BACKTRACEINC).
+ (diagnostic.o): Depend upon $(DEMANGLE_H) and $(BACKTRACE_H).
+
+2012-09-25 Segher Boessenkool <segher@kernel.crashing.org>
+
+ PR target/51274
+ PR target/53087
+ * config/rs6000/rs6000.md (ne0si): Remove unnecessary
+ earlyclobber. Merge with...
+ (ne0di): ... to...
+ (ne0_<mode>): New.
+ (plus_ne0si): Merge with...
+ (plus_ne0di): ... to...
+ (plus_ne0_<mode>): New.
+ (compare_plus_ne0si): Merge with...
+ (compare_plus_ne0di)... to...
+ (compare_plus_ne0_<mode>): New.
+ (compare_plus_ne0_<mode>_1): New.
+ (plus_ne0si_compare): Merge with...
+ (plus_ne0di_compare)... to...
+ (plus_ne0_<mode>_compare): New.
+
+2012-09-25 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/constraints.md (Jhb): New constraint.
+ * config/sh/predicates.md (negt_reg_shl31_operand): New predicate.
+ * config/sh/sh.md (rotrsi3): New expander.
+ (rotrsi3_1, *rotrsi3_1, *rotlsi3_1): New insns.
+ (rotlsi3, rotlhi3): Use const_int_operand predicate instead of
+ immediate_operand and remove CONST_INT_P checks in expansion code.
+ (*rotcr): Cleanup variable usage. Handle preceding nott insn. Add
+ split with swapped operands.
+ (*rotcr_neg_t, *movt_msb, *negt_msb): New insns and splits.
+
+2012-09-25 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/53850
+ * trans-mem.c (expand_call_tm): Handle late built built-ins.
+
+2012-09-25 Georg-Johann Lay <avr@gjlay.de>
+
+ PR other/54701
+ * config/avr/avr-log.c (avr_double_int_pop_digit): Rewrite using
+ double_int::udivmod.
+
+2012-09-25 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (avr_set_current_function): Check cfun->machine
+ to be non-NULL.
+
+2012-09-25 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54641
+ * config/avr/t-avr: Use ALL_COMPILERFLAGS instead of ALL_CFLAGS
+ for sources compiled with COMPILER.
+
+2012-09-25 Richard Guenther <rguenther@suse.de>
+
+ PR lto/54625
+ * lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Do not merge
+ cgraph nodes for builtins.
+
+2012-09-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/54676
+ * tree-vrp.c (set_and_canonicalize_value_range): Handle
+ one bit precision properly.
+
+ PR other/54692
+ * configure.ac (CFLAGS, CXXFLAGS): Remove -Ofast or -Og properly.
+ * configure: Regenerated.
+
+2012-09-25 Georg-Johann Lay <avr@gjlay.de>
+
+ PR other/54701
+ * config/avr/avr.c (avr_map_decompose): Use double_int::from_uhwi
+ instead of uhwi_to_double_int.
+
+2012-09-25 Richard Guenther <rguenther@suse.de>
+
+ * lto-symtab.c (lto_symtab_merge_decls_1): Properly merge
+ all of the chain.
+
+2012-09-25 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53663
+ * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
+ native encode/interpret translation on VN_WALKREWRITE.
+
+2012-09-24 Dehao Chen <dehao@google.com>
+
+ * tree-cfg.c (move_stmt_op): Reset the expr block only when necessary.
+ (move_block_to_fn): Reset the edge's goto block even
+ when the goto locus is unknown.
+
+2012-09-24 Lawrence Crowl <crowl@google.com>
+
+ * double-int.h (double_int::from_pair): New.
+ (double_int::wide_mul_with_sign): New.
+ (double_int::sub_with_overflow): New.
+ (double_int::neg_with_overflow): New.
+ (double_int::divmod_with_overflow): New.
+ (shwi_to_double_int): Remove.
+ (uhwi_to_double_int): Remove.
+ (double_int_to_shwi): Remove.
+ (double_int_to_uhwi): Remove.
+ (double_int_fits_in_uhwi_p): Remove.
+ (double_int_fits_in_shwi_p): Remove.
+ (double_int_fits_in_hwi_p): Remove.
+ (double_int_mul): Remove.
+ (double_int_mul_with_sign): Remove.
+ (double_int_add): Remove.
+ (double_int_sub): Remove.
+ (double_int_neg): Remove.
+ (double_int_div): Remove.
+ (double_int_sdiv): Remove.
+ (double_int_udiv): Remove.
+ (double_int_mod): Remove.
+ (double_int_smod): Remove.
+ (double_int_umod): Remove.
+ (double_int_divmod): Remove.
+ (double_int_sdivmod): Remove.
+ (double_int_udivmod): Remove.
+ (double_int_multiple_of): Remove.
+ (double_int_setbit): Remove.
+ (double_int_ctz): Remove.
+ (double_int_not): Remove.
+ (double_int_ior): Remove.
+ (double_int_and): Remove.
+ (double_int_and_not): Remove.
+ (double_int_xor): Remove.
+ (double_int_lshift): Remove.
+ (double_int_rshift): Remove.
+ (double_int_lrotate): Remove.
+ (double_int_rrotate): Remove.
+ (double_int_negative_p): Remove.
+ (double_int_cmp): Remove.
+ (double_int_scmp): Remove.
+ (double_int_ucmp): Remove.
+ (double_int_max): Remove.
+ (double_int_smax): Remove.
+ (double_int_umax): Remove.
+ (double_int_min): Remove.
+ (double_int_smin): Remove.
+ (double_int_umin): Remove.
+ (double_int_ext): Remove.
+ (double_int_sext): Remove.
+ (double_int_zext): Remove.
+ (double_int_mask): Remove.
+ (double_int_max_value): Remove.
+ (double_int_min_value): Remove.
+ (double_int_zero_p): Remove.
+ (double_int_one_p): Remove.
+ (double_int_minus_one_p): Remove.
+ (double_int_equal_p): Remove.
+ (double_int_popcount): Remove.
+ (extern add_double_with_sign): Remove.
+ (#define add_double): Remove.
+ (extern neg_double): Remove.
+ (extern mul_double_with_sign): Remove.
+ (extern mul_double_wide_with_sign): Remove.
+ (#define mul_double): Remove.
+ (extern lshift_double): Remove.
+ (extern div_and_round_double): Remove.
+ * double-int.c (add_double_with_sign): Make static.
+ (#defined add_double): Localized from header.
+ (neg_double): Make static.
+ (mul_double_with_sign): Make static.
+ (mul_double_wide_with_sign): Make static.
+ (#defined mul_double): Localized from header.
+ (lshift_double): Make static.
+ (div_and_round_double): Make static.
+ (double_int::wide_mul_with_sign): New.
+ (double_int::sub_with_overflow): New.
+ (double_int::neg_with_overflow): New.
+ (double_int::divmod_with_overflow): New.
+ * emit-rtl.c (init_emit_once): Change to new double_int API.
+ * explow.c (plus_constant): Likewise.
+ * expmed.c (choose_multiplier): Likewise.
+ * fold-const.c (#define OVERFLOW_SUM_SIGN): Remove.
+ (int_const_binop_1): Change to new double_int API.
+ (fold_div_compare): Likewise.
+ (maybe_canonicalize_comparison): Likewise.
+ (pointer_may_wrap_p): Likewise.
+ (fold_negate_const): Likewise.
+ (fold_abs_const): Likewise.
+ * simplify-rtx.c (simplify_const_unary_operation): Likewise.
+ (simplify_const_binary_operation): Likewise.
+ * tree-chrec.c (tree_fold_binomial): Likewise.
+ * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
+ * config/sparc/sparc.c (sparc_fold_builtin): Likewise.
+ * config/avr/avr.c (avr_double_int_push_digit): Likewise.
+ (avr_map): Likewise.
+ (avr_map_decompose): Likewise.
+ (avr_out_insert_bits): Likewise.
+
+2012-09-24 Janis Johnson <janisjo@codesourcery.com>
+
+ * doc/sourcebuild.texi (Selectors): Document the use of target
+ and xfail used together.
+
+2012-09-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/54632
+ * tree-ssa-live.c (clear_unused_block_pointer_1): Do not
+ handle DECL_DEBUG_EXPR_IS_FROM here...
+ (clear_unused_block_pointer): ... but here when walking all
+ local decls.
+
+2012-09-24 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54684
+ * tree-ssa-ccp.c (optimize_unreachable): Properly update stmts.
+
+2012-09-24 Marc Glisse <marc.glisse@inria.fr>
+
+ * tree-ssa-forwprop.c: Include tree-ssa-propagate.h.
+ (simplify_bitfield_ref): Handle constructors.
+ * Makefile.in (tree-ssa-forwprop.o): Depend on tree-ssa-propagate.h.
+
+2012-09-24 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-pre.c (bitmap_find_leader, create_expression_by_pieces,
+ find_or_generate_expression): Remove dominating stmt argument.
+ (find_leader_in_sets, phi_translate_1, bitmap_find_leader,
+ create_component_ref_by_pieces_1, create_component_ref_by_pieces,
+ do_regular_insertion, do_partial_partial_insertion): Adjust.
+ (compute_avail): Do not set uids.
+
+2012-09-24 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
+ TYPE_NONALIASED_COMPONENT flag.
+ * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
+ TYPE_NONALIASED_COMPONENT flag.
+
+2012-09-24 Jia Liu <proljc@gmail.com>
+
+ * doc/lto.texi: Separate sections.
+ * doc/plugins.texi: Likewise.
+
+2012-09-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52173
+ * gimple.c (gimple_copy): Properly mark the copy modified
+ if SSA operands are present.
+
+2012-09-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/54669
+ * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Invoke
+ maybe_clean_or_replace_eh_stmt on the modified use statements.
+
+2012-09-23 Marc Glisse <marc.glisse@inria.fr>
+
+ * expr.c (do_store_flag): Remove duplicated code.
+
+2012-09-22 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/predicates.md (altivec_register_operand,
+ vsx_register_operand, vfloat_operand, vint_operand,
+ vlogical_operand, gpc_reg_operand, cc_reg_operand,
+ cc_reg_not_cr0_operand, cc_reg_not_micro_cr0_operand):
+ If op is a SUBREG, consider its SUBREG_REG instead.
+
+2012-09-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * optabs.c (prepare_cmp_insn): Expand comparison of the result
+ of memcmp through generic comparison expansion code.
+
+2012-09-21 Anthony Green <green@moxielogic.com>
+
+ * config/moxie/moxie.opt: Add -mno-crt0 option.
+ * config/moxie/moxie.h (STARTFILE_SPEC): Handle -mno-crt0 option.
+ * doc/invoke.texi (Option Summary): Document -mno-crt0 option.
+
+2012-09-21 Jack Howarth <howarth@bromo.med.uc.edu>
+
+ PR bootstrap/54642
+ * Makefile.in (lto-symtab.o): Remove gt-lto-symtab.h dependency.
+
+2012-09-21 Dehao Chen <dehao@google.com>
+
+ PR go/54649
+ * tree-eh.c (lower_try_finally_dup_block): Set the correct block for
+ stmts in the duplicated EH block.
+
+2012-09-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54647
+ * tree-ssa-pre.c (compute_avail): Do not put COND_EXPR
+ or VEC_COND_EXPR into EXP_GEN again.
+
+2012-09-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/54629
+ * tree-loop-distribution.c (classify_partition): Free loop nest only
+ after freeing ddr. Free ddr and loop nest also if successful.
+
+2012-09-21 Matthias Klose <doko@ubuntu.com>
+
+ * config/arm/arm.c (arm_mangle_type): Don't warn anymore that
+ 4.4 has changed the `va_list' mangling.
+
+2012-09-21 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/54290
+ PR rtl-optimization/54644
+ * reload1.c (choose_reload_regs): Fix thinko in previous change.
+
+2012-09-20 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/rs6000.md (define_split for plus_eqsi):
+ Fix output pattern.
+
+2012-09-20 Eric Botcazou <ebotcazou@adacore.com>
+
+ * reload1.c (choose_reload_regs): Add missing #ifdef/#endif pair.
+
+2012-09-20 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR bootstrap/54643
+ * haifa-sched.c (schedule_block): Skip find_modifiable_mems if using
+ SCHED_PRESSURE_MODEL.
+
+2012-09-20 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * rtlanal.c (dead_or_set_regno_p): Fix COND_EXEC handling.
+
+2012-09-20 Marek Polacek <polacek@redhat.com>
+
+ * tree-ssa-operands.c (get_expr_operands): Merge identical cases.
+
+2012-09-20 Marek Polacek <polacek@redhat.com>
+
+ * tree-ssa-threadupdate.c (mark_threaded_blocks): Don't cast XNEWVEC's
+ result.
+ (create_edge_and_update_destination_phis): Likewise.
+
+2012-09-20 Martin Jambor <mjambor@suse.cz>
+
+ * function.c (push_cfun): Check old current_function_decl matches
+ old cfun, set new current_function_decl to the decl of the new cfun.
+ (push_struct_function): Likewise.
+ (pop_cfun): Likewise.
+ (allocate_struct_function): Move call to
+ invoke_set_current_function_hook to the end of the function.
+ * cfgexpand.c (estimated_stack_frame_size): Do not set and restore
+ current_function_decl.
+ * cgraph.c (cgraph_release_function_body): Likewise.
+ * cgraphunit.c (cgraph_process_new_functions): Likewise.
+ (cgraph_add_new_function): Likewise.
+ (cgraph_analyze_function): Likewise.
+ (assemble_thunk): Set cfun to NULL at the end.
+ (expand_function): Move call to set_cfun downwards.
+ * gimple-low.c (record_vars_into): Only check current_function_decl
+ before possibly doing push_cfun.
+ * gimplify.c (gimplify_function_tree): Do not set and restore
+ current_function_decl.
+ * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
+ (inline_analyze_function): Likewise.
+ * ipa-prop.c (ipa_analyze_node): Likewise.
+ * ipa-pure-const.c (analyze_function): Likewise.
+ * lto-streamer-in.c (lto_input_function_body): Do not set
+ current_function_decl.
+ * lto-streamer-out.c (output_function): Do not set and restore
+ current_function_decl.
+ * omp-low.c (finalize_task_copyfn): Likewise.
+ (expand_omp_taskreg): Likewise.
+ (create_task_copyfn): Likewise, move push_cfun up quite a bit.
+ * passes.c (dump_passes): Do not set and restore current_function_decl.
+ (do_per_function): Likewise.
+ (do_per_function_toporder): Likewise.
+ * trans-mem.c (ipa_tm_scan_irr_function): Likewise.
+ (ipa_tm_transform_transaction): Likewise.
+ (ipa_tm_transform_clone): Likewise.
+ (ipa_tm_execute): Likewise.
+ * tree-emutls.c (lower_emutls_function_body): Likewise.
+ * tree-inline.c (initialize_cfun): Do not call pop_cfun.
+ (tree_function_versioning): Do not call push_cfun, do not set and
+ restore current_function_decl. Remove assert checking consistency of
+ cfun and current_function_decl.
+ * tree-profile.c (tree_profiling): Do not set and restore
+ current_function_decl.
+ * tree-sra.c (convert_callers_for_node): Do not set
+ current_function_decl.
+ (convert_callers): Do not restore current_function_decl.
+ (modify_function): Do not set current_function_decl.
+ * tree-ssa-structalias.c (ipa_pta_execute): Do not set and restore
+ current_function_decl.
+
+2012-09-20 Diego Novillo <dnovillo@google.com>
+
+ PR target/54631
+ * config/vxworks.c (vxworks_emutls_var_init): Update for new
+ VEC_quick_push interface.
+
+2012-09-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54634
+ * tree-data-ref.c (get_references_in_stmt): For now give
+ up for pure functions.
+
+2012-09-20 Chen Wei-Ren <chenwj@iis.sinica.edu.tw>
+
+ * doc/lto.texi: Correct typo.
+
+2012-09-19 Dehao Chen <dehao@google.com>
+
+ * config/s390/s390.c (s390_chunkify_start): Replacing INSN_LOCATOR.
+ * config/spu/spu.c (emit_nop_for_insn): Likewise.
+ (pad_bb): Likewise.
+ (spu_emit_branch_hint): Likewise.
+ (insert_hbrp_for_ilb_runout): Likewise.
+ * config/mep/mep.c (mep_make_bundle): Likewise.
+ (mep_bundle_insns): Likewise.
+ * config/sh/sh.c (gen_block_redirect): Likewise.
+ * config/c6x/c6x.c (gen_one_bundle): Likewise.
+ * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Likewise.
+ * config/picochip/picochip.c (picochip_reorg): Likewise.
+ * config/arm/arm.c (require_pic_register): Likewise.
+ * config/mips/mips.c (mips16_gp_pseudo_reg): Likewise.
+ * config/bfin/bfin.c (gen_one_bundle): Likewise.
+
+2012-09-19 Mark Kettenis <kettenis@openbsd.org>
+
+ * config.gcc (hppa*-*-openbsd*): New target.
+ * config/pa/pa-openbsd.h: New file.
+ * config/pa/pa32-openbsd.h: New file.
+ * config/host-openbsd.c: Update copyright year.
+ (TRY_EXCEPT_VM_SPACE): Define for OpenBSD/hppa.
+
+2012-09-19 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-prop.c (prune_expression_for_jf): New function.
+ (ipa_set_jf_constant): Use it.
+ (ipa_set_jf_arith_pass_through): Likewise.
+ (determine_known_aggregate_parts): Likewise.
+
+2012-09-19 Steve Ellcey <sellcey@mips.com>
+
+ * config.gcc (mips*-mti-elf*): New target.
+ * config/mips/mti-elf.h: New file.
+ * config/mips/t-mti-elf: New file.
+
+2012-09-19 Dehao Chen <dehao@google.com>
+
+ * toplev.c (general_init): Init block_locations.
+ * tree.c (tree_set_block): New.
+ (tree_block): Change to use LOCATION_BLOCK.
+ * tree.h (TREE_SET_BLOCK): New.
+ * final.c (reemit_insn_block_notes): Change to use LOCATION_BLOCK.
+ (final_start_function): Likewise.
+ * input.c (expand_location_1): Likewise.
+ * input.h (LOCATION_LOCUS): New.
+ (LOCATION_BLOCK): New.
+ (IS_UNKNOWN_LOCATION): New.
+ * fold-const.c (expr_location_or): Change to use new location.
+ * reorg.c (emit_delay_sequence): Likewise.
+ (try_merge_delay_insns): Likewise.
+ * modulo-sched.c (dump_insn_location): Likewise.
+ * lto-streamer-out.c (lto_output_location_bitpack): Likewise.
+ * lto-cgraph.c (output_node_opt_summary): Likewise.
+ * jump.c (rtx_renumbered_equal_p): Likewise.
+ * ifcvt.c (noce_try_move): Likewise.
+ (noce_try_store_flag): Likewise.
+ (noce_try_store_flag_constants): Likewise.
+ (noce_try_addcc): Likewise.
+ (noce_try_store_flag_mask): Likewise.
+ (noce_try_cmove): Likewise.
+ (noce_try_cmove_arith): Likewise.
+ (noce_try_minmax): Likewise.
+ (noce_try_abs): Likewise.
+ (noce_try_sign_mask): Likewise.
+ (noce_try_bitop): Likewise.
+ (noce_process_if_block): Likewise.
+ (cond_move_process_if_block): Likewise.
+ (find_cond_trap): Likewise.
+ * ipa-prop.c (ipa_set_jf_constant): Likewise.
+ (ipa_write_jump_function): Likewise.
+ * dwarf2out.c (add_src_coords_attributes): Likewise.
+ * expr.c (expand_expr_real): Likewise.
+ * tree-parloops.c (create_loop_fn): Likewise.
+ * recog.c (peep2_attempt): Likewise.
+ * function.c (free_after_compilation): Likewise.
+ (expand_function_end): Likewise.
+ (set_insn_locations): Likewise.
+ (thread_prologue_and_epilogue_insns): Likewise.
+ * print-rtl.c (print_rtx): Likewise.
+ * profile.c (branch_prob): Likewise.
+ * trans-mem.c (ipa_tm_scan_irr_block): Likewise.
+ * gimplify.c (gimplify_call_expr): Likewise.
+ * except.c (duplicate_eh_regions_1): Likewise.
+ * emit-rtl.c (try_split): Likewise.
+ (make_insn_raw): Likewise.
+ (make_debug_insn_raw): Likewise.
+ (make_jump_insn_raw): Likewise.
+ (make_call_insn_raw): Likewise.
+ (emit_pattern_after_setloc): Likewise.
+ (emit_pattern_after): Likewise.
+ (emit_debug_insn_after): Likewise.
+ (emit_pattern_before): Likewise.
+ (emit_insn_before_setloc): Likewise.
+ (emit_jump_insn_before): Likewise.
+ (emit_call_insn_before_setloc): Likewise.
+ (emit_call_insn_before): Likeise.
+ (emit_debug_insn_before_setloc): Likewise.
+ (emit_copy_of_insn_after): Likewise.
+ (insn_locators_alloc): Remove.
+ (insn_locators_finalize): Remove.
+ (insn_locators_free): Remove.
+ (set_curr_insn_source_location): Remove.
+ (get_curr_insn_source_location): Remove.
+ (set_curr_insn_block): Remove.
+ (get_curr_insn_block): Remove.
+ (locator_scope): Remove.
+ (insn_scope): Change to use new location.
+ (locator_location): Remove.
+ (insn_line): Change to use new location.
+ (locator_file): Remove.
+ (insn_file): Change to use new location.
+ (locator_eq): Remove.
+ (insn_locations_init): New.
+ (insn_locations_finalize): New.
+ (set_curr_insn_location): New.
+ (curr_insn_location): New.
+ * cfgexpand.c (gimple_assign_rhs_to_tree): Change to use new location.
+ (expand_gimple_cond): Likewise.
+ (expand_call_stmt): Likewise.
+ (expand_gimple_stmt_1): Likewise.
+ (expand_gimple_basic_block): Likewise.
+ (construct_exit_block): Likewise.
+ (gimple_expand_cfg): Likewise.
+ * cfgcleanup.c (try_forward_edges): Likewise.
+ * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
+ (dump_scope_block): Likewise.
+ (remove_unused_locals): Likewise.
+ * rtl.c (rtx_equal_p_cb): Likewise.
+ (rtx_equal_p): Likewise.
+ * rtl.h (XUINT): New.
+ (INSN_LOCATOR): Remove.
+ (CURR_INSN_LOCATION): Remove.
+ (INSN_LOCATION): New.
+ (INSN_HAS_LOCATION): New.
+ * tree-inline.c (remap_gimple_op_r): Change to use new location.
+ (copy_tree_body_r): Likewise.
+ (copy_phis_for_bb): Likewise.
+ (expand_call_inline): Likewise.
+ * tree-streamer-in.c (lto_input_ts_exp_tree_pointers): Likewise.
+ * tree-streamer-out.c (write_ts_decl_minimal_tree_pointers): Likewise.
+ * gimple-streamer-out.c (output_gimple_stmt): Likewise.
+ * combine.c (try_combine): Likewise.
+ * tree-outof-ssa.c (set_location_for_edge): Likewise.
+ (insert_partition_copy_on_edge): Likewise.
+ (insert_value_copy_on_edge): Likewise.
+ (insert_rtx_to_part_on_edge): Likewise.
+ (insert_part_to_rtx_on_edge): Likewise.
+ * basic-block.h (edge_def): Remove field.
+ * gimple.h (gimple_statement_base): Remove field.
+ (gimple_bb): Change to use new location.
+ (gimple_set_block): Likewise.
+ (gimple_has_location): Likewise.
+ * tree-cfg.c (make_cond_expr_edges): Likewise.
+ (make_goto_expr_edges): Likewise.
+ (gimple_can_merge_blocks_p): Likewise.
+ (move_stmt_op): Likewise.
+ (move_block_to_fn): Likewise.
+ * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Likewise.
+ * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
+ * config/i386/i386.c (x86_output_mi_thunk): Likewise.
+ * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
+ * config/sh/sh.c (sh_output_mi_thunk): Likewise.
+ * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
+ * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
+ * config/score/score.c (score_output_mi_thunk): Likewise.
+ * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
+ * config/mips/mips.c (mips_output_mi_thunk): Likewise.
+ * cfgrtl.c (unique_locus_on_edge_between_p): Likewise.
+ (unique_locus_on_edge_between_p): Likewise.
+ (emit_nop_for_unique_locus_between): Likewise.
+ (force_nonfallthru_and_redirect): Likewise.
+ (fixup_reorder_chain): Likewise.
+ (cfg_layout_merge_blocks): Likewise.
+ * stmt.c (emit_case_nodes): Likewise.
+
+2012-09-19 Bernd Schmidt <bernds@codesourcery.com>
+
+ * dbgcnt.def (sched_breakdep): New counter.
+ * haifa-sched.c (update_insn_after_change): New static function,
+ broken out of haifa_change_pattern.
+ (haifa_change_pattern): Call it.
+ (dep_t heap vecs): Declare.
+ (INSN_COST): Define earlier.
+ (next_cycle_replace_deps, next_cycle_apply): New static variables.
+ (apply_replacement): New static function.
+ (recompute_todo_spec): New argument FOR_BACKTRACK. All callers
+ changed. Handle DEP_REPLACE deps.
+ (contributes_to_priority_p): False for replaceable deps.
+ (must_restore_pattern_p, restore_pattern): New static functions.
+ (schedule_insn): Use them. Apply replacements for broken deps.
+ (struct haifa_saved_data): Add new fields to keep track of
+ replacements.
+ (save_backtrack_point): Initialize them.
+ (undo_replacements_for_backtrack): New static function.
+ (restore_last_backtrack_point, free_topmost_backtrack_point):
+ Use it and keep track of replacements.
+ (perform_replacements_new_cycle, undo_all_replacements): New static
+ functions.
+ (schedule_block): Call these two as necessary. Call
+ find_modifiable_mems.
+ (try_ready): Tweak the assert. Check for DEP_POSTPONED.
+ * sched-deps.c: Include "emit-rtl.h".
+ (init_dep_1): Initialize DEP_NONREG, DEP_MULTIPLE and DEP_REPLACE.
+ (dep_spec_p): True for DEP_REPLACE deps.
+ (mark_as_hard): New static variable.
+ (update_dep): Update DEP_NONREG and DEP_MULTIPLE.
+ (add_dependence_list): New argument hard. All callers changed. Set
+ and clear mark_as_hard around function body.
+ (add_dependence_list_and_free): Likewise.
+ (haifa_note_mem_dep): Set DEP_NONREG.
+ (haifa_note_dep): Likewise if mark_as_hard is true.
+ (sched_analyze_insn): Switch loop with if statement testing for
+ sel_sched_p.
+ (struct mem_inc_info): New.
+ (attempt_change, parse_add_or_inc, find_inc, find_mem): New static
+ functions.
+ (find_modifiable_mems): New function.
+ * sched-int.h (struct dep_replacement): New.
+ (struct _dep): Add replace, nonreg and multiple fields. Make type and
+ cost bitfields.
+ (UNKNOWN_DEP_COST): Change to match the bitfield.
+ (DEP_NONREG, DEP_MULTIPLE, DEP_REPLACE): New macros.
+ (DEP_POSTPONED): New macro.
+ (DEP_CANCELLED): Renumber.
+ (find_modifiable_mems): Declare.
+ (enum SCHED_FLAGS): Add DONT_BREAK_DEPENDENCIES.
+ * sched-rgn.c (init_ready_list): Set TODO_SPEC here.
+ (new_ready): Don't set HARD_DEP, use DEP_POSTPONED.
+ (debug_dependencies): Dump DEP_NONREG and DEP_MULTIPLE.
+ * Makefile.in (sched-deps.o): Update dependencies.
+ * config/c6x/c6x.c (in_hwloop): New static variable.
+ (c6x_set_sched_flags): If it is true, add DONT_BREAK_DEPENDENCIES.
+ (hwloop_optimize): Set and clear it around preliminary scheduling pass.
+
+2012-09-19 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000-builtin.def: Add __builtin_ppc_get_timebase
+ and __builtin_ppc_mftb.
+ * config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): New function
+ to expand an expression that calls a built-in without arguments.
+ (rs6000_expand_builtin): Add __builtin_ppc_get_timebase and
+ __builtin_ppc_mftb.
+ (rs6000_init_builtins): Likewise.
+ * config/rs6000/rs6000.md (rs6000_get_timebase): New pattern.
+ (rs6000_get_timebase_ppc32): New pattern.
+ (rs6000_mftb_<mode>): New pattern.
+
+ * doc/extend.texi (PowerPC Built-in Functions): New section.
+ (PowerPC AltiVec/VSX Built-in Functions): Move some built-ins
+ unrelated to Altivec/VSX to the new section.
+
+2012-09-19 David Edelsohn <dje.gcc@gmail.com>
+
+ * rs6000.md (mac*): Remove extra spaces.
+ (mulhw*): Same.
+
+2012-09-19 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/predicates.md (arith_reg_or_t_reg_operand): New predicate.
+ * config/sh/sh.md (*rotcr): Use arith_reg_or_t_reg_operand predicate.
+ Handle the case where one of the operands is T_REG.
+ Add new pattern to handle MSB extraction.
+
+2012-09-19 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54236
+ * config/sh/sh.md (*addc): Add pattern to handle one bit left shifts.
+
+2012-09-19 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md (prologue, epilogue): Use braced strings.
+
+2012-09-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/54290
+ * reload1.c (choose_reload_regs): Also take into account secondary MEMs
+ to remove address replacements for inherited reloads.
+ (replaced_subreg): Move around.
+
+2012-09-19 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/aix61.h (TARGET_DEFAULT): Add MASK_PPC_GPOPT,
+ MASK_PPC_GFXOPT, and MASK_MFCRF.
+
+2012-09-19 Richard Guenther <rguenther@suse.de>
+
+ * passes.c (init_optimization_passes): For -Og move
+ pass_object_sizes inbetween CCP and copyprop.
+
+2012-09-19 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (get_prop_source_stmt): Simplify.
+
+2012-09-19 Jan Hubicka <jh@suse.cz>
+
+ * symtab.c (insert_to_assembler_name_hash): Do not insert
+ register vars.
+ (unlink_from_assembler_name_hash): NULL out pointers of unlinked var.
+ (symtab_prevail_in_asm_name_hash): New.
+ (symtab_initialize_asm_name_hash): Break out from ...
+ (symtab_node_for_asm): ... here.
+ (dump_symtab_base): Dump LTO file data.
+ (verify_symtab_base): Register vars are not in symtab.
+ * cgraph.h (symtab_initialize_asm_name_hash,
+ symtab_prevail_in_asm_name_hash): New functions.
+ (symtab_real_symbol_p): New inline.
+ * lto-symtab.c: Do not include gt-lto-symtab.h.
+ (lto_symtab_entry_def): Remove.
+ (lto_symtab_entry_t): Remove.
+ (lto_symtab_identifiers): Remove.
+ (lto_symtab_free): Remove.
+ (lto_symtab_entry_hash): Remove.
+ (lto_symtab_entry_eq): Remove.
+ (lto_symtab_entry_marked_p): Remove.
+ (lto_symtab_maybe_init_hash_table): Remove.
+ (resolution_guessed_p, set_resolution_guessed): New functions.
+ (lto_symtab_register_decl): Only set resolution info.
+ (lto_symtab_get, lto_symtab_get_resolution): Remove.
+ (lto_symtab_merge): Reorg to work across symtab; do nothing if decls
+ are same.
+ (lto_symtab_resolve_replaceable_p): Reorg to work on symtab.
+ (lto_symtab_resolve_can_prevail_p): Likewise; only real symbols can
+ prevail.
+ (lto_symtab_resolve_symbols): Reorg to work on symtab.
+ (lto_symtab_merge_decls_2): Likewise.
+ (lto_symtab_merge_decls_1): Likewise; add debug dumps.
+ (lto_symtab_merge_decls): Likewise; do not merge at ltrans stage.
+ (lto_symtab_merge_cgraph_nodes_1): Reorg to work on symtab.
+ (lto_symtab_merge_cgraph_nodes): Likewise; do not merge at ltrans
+ stage.
+ (lto_symtab_prevailing_decl): Rewrite to lookup into symtab.
+ * lto-streaer.h (lto_symtab_free): Remove.
+ * lto-cgraph.c (add_references): Cleanup.
+ * varpool.c (varpool_assemble_decl): Skip hard regs.
+
+2012-09-19 Richard Guenther <rguenther@suse.de>
+
+ PR other/53316
+ * common/common-target.h (OPT_LEVELS_1_PLUS_NOT_DEBUG): Add.
+
+2012-09-19 Richard Guenther <rguenther@suse.de>
+
+ PR other/53316
+ * common.opt (optimize_debug): New variable.
+ (Og): New optimization level.
+ * doc/invoke.texi (Og): Document.
+ * opts.c (maybe_default_option): Add debug parameter.
+ (maybe_default_options): Likewise.
+ (default_options_optimization): Handle -Og.
+ (common_handle_option): Likewise.
+ * passes.c (gate_all_optimizations): Do not run with -Og.
+ (gate_all_optimizations_g): New gate, run with -Og.
+ (pass_all_optimizations_g): New container pass, run with -Og.
+ (init_optimization_passes): Schedule pass_all_optimizations_g
+ alongside pass_all_optimizations.
+
+2012-09-19 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54132
+ * tree-loop-distribution.c (classify_partition): Properly
+ check dependences for memmove.
+ * tree-data-ref.h (compute_affine_dependence): Declare.
+ * tree-data-ref.c (compute_affine_dependence): Export.
+
+2012-09-19 Zhenqiang Chen <zhenqiang.chen@arm.com>
+
+ PR middle-end/54364
+ * bb-reorder.c (connect_better_edge_p): New added.
+ (find_traces_1_round): When optimizing for size, ignore edge frequency
+ and probability, and handle all in one round.
+ (bb_to_key): Use bb->index as key when optimizing for size.
+ (better_edge_p): The bb with smaller index is better when optimizing
+ for size.
+ (connect_traces): When optimizing for size, connect block n with
+ block n + 1; connect trace m with trace m + 1 if falling through.
+ (gate_handle_reorder_blocks): Enable bbro when optimizing for -Os.
+
+2012-09-19 Bin Cheng <bin.cheng@arm.com>
+
+ * fold-const.c (fold_truth_andor): Remove duplicated check on
+ BRANCH_COST.
+
+2012-09-18 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/54617
+ * expr.c (store_field): Handle a PARALLEL in more cases.
+
+2012-09-18 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/rs6000.md (sminsi3, smaxsi3, uminsi3, umaxsi3): Delete.
+ (abssi2, abs<mode>2_isel, nabs<mode>2_isel, abssi2_nopower,
+ nabs_nopower): Delete.
+ (absdi2, absdi2_internal, nabsdi2): Delete.
+ (smindi3, smaxdi3, umindi3, umaxdi3): Delete.
+
+2012-09-18 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md: Tidy up empty "". Fix C code indentation.
+ * config/avr/avr-fixed.md: Ditto.
+
+2012-09-18 Maciej W. Rozycki <macro@codesourcery.com>
+
+ * config/rs6000/rs6000.c (print_operand) <'c'>: Remove.
+ * config/rs6000/spe.md: Remove a leftover comment.
+
+2012-09-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/54592
+ * config/i386/i386.c (ix86_rtx_costs): Limit > UNITS_PER_WORD
+ AND/IOR/XOR cost calculation to MODE_INT class modes.
+
+2012-09-18 Thomas Quinot <quinot@adacore.com>
+
+ * doc/invoke.texi: Document -fada-spec-parent.
+
+2012-09-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/54610
+ * tree-ssa-forwprop.c: Include optabs.h. Don't include
+ tree-vectorizer.h.
+ (simplify_vector_constructor): Don't use vect_gen_perm_mask,
+ instead create the mask constant here.
+ * Makefile.in (tree-ssa-forwprop.o): Depend on $(OPTABS_H).
+ Don't depend on $(TREE_VECTORIZER_H).
+
+2012-09-18 Florian Weimer <fweimer@redhat.com>
+
+ * Makefile.in (BASIC_BLOCK_H): Add cfg-flags.def.
+
+2012-09-18 Richard Guenther <rguenther@suse.de>
+
+ * statistics.h (CXX_MEM_STAT_INFO): New define.
+ * gimple.h (gimple_build_assign_with_ops_stat,
+ gimple_build_assign_with_ops, gimple_build_assign_with_ops3):
+ Turn into an overload of the function gimple_build_assign_with_ops.
+ * gimple.c (gimple_build_assign_with_ops_stat): Rename to ...
+ (gimple_build_assign_with_ops): ... this.
+ * tree-ssa-loop-im.c (move_computations_stmt): Adjust.
+ * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
+ * tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
+ (vect_permute_load_chain): Likewise.
+ * tree-vect-generic.c (expand_vector_divmod): Likewise.
+ * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Likewise.
+ (vect_recog_divmod_pattern): Likewise.
+ (vect_recog_mixed_size_cond_pattern): Likewise.
+ (adjust_bool_pattern): Likewise.
+ * tree-vect-slp.c (vect_create_mask_and_perm): Likewise.
+ * tree-vect-stmts.c (vectorizable_operation): Likewise.
+ (permute_vec_elements): Likewise.
+ (vectorizable_load): Likewise.
+
+2012-09-17 Paul Koning <ni1d@arrl.net>
+
+ * doc/invoke.text (-feliminate-unused-debug-types): Update to
+ reflect that this is enabled by default.
+
+2012-09-17 Ben Cheng <bccheng@google.com
+
+ * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Suppress the
+ dynamic linker commands for statically linked programs.
+
+2012-09-17 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * config/arm/arm.c (arm_rtx_costs_1): Handle vec_extract and vec_set
+ patterns.
+ * config/arm/arm.md ("vec_set<mode>_internal"): Support memory source
+ operands, implemented via vld1 instruction.
+ ("vec_extract<mode>"): Support memory destination operands, implemented
+ via vst1 instruction.
+ ("neon_vst1_lane<mode>"): Use UNSPEC_VST1_LANE instead of vec_select.
+ * config/arm/predicates.md ("neon_lane_number"): Remove.
+
+2012-09-17 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+ Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * config/arm/arm.c (output_move_neon): Update comment.
+ Use vld1.64/vst1.64 instead of vldm/vstm where possible.
+ (neon_vector_mem_operand): Support double-word modes.
+ * config/arm/neon.md (*neon_mov VD): Call output_move_neon
+ instead of output_move_vfp. Change constraint from Uv to Un.
+
+2012-09-17 Richard Guenther <rguenther@suse.de>
+
+ PR lto/54598
+ * tree-streamer-in.c (unpack_ts_real_cst_value_fields): Use ggc'ed
+ FIXED_VALUE_TYPE instead of struct fixed_value.
+
+2012-09-17 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (CONST_FIXED_P): Remove define.
+ * config/avr/avr.md (add<mode>3): Use CONST_FIXED_P.
+
+2012-09-17 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54607
+ * config.gcc (tm_file,avr): Add avr/avr-arch.h.
+ * config/avr/t-avr (gen-avr-mmcu-texi): Use CC_FOR_BUILD to
+ compile. Don't depend on TM_H. Use CFLAGS_FOR_BUILD.
+ * config/avr/avr.h (avr_arch, base_arch_s, mcu_type_s): Source out
+ to...
+ * config/avr/avr-arch.h: ...this new file.
+ * config/avr/gen-avr-mmcu-texi.c: Include avr-arch.h, stdio.h,
+ stdlib.h.
+ * comparator: Make letters smaller than digits.
+ * config/avr/avr-devices.c: Don't include headers if used in
+ gen-avr-mmcu-texi.c.
+ * doc/avr-mmcu.texi: Regenerate.
+
+2012-09-17 Georg-Johann Lay <avr@gjlay.de>
+
+ * rtl.h (CONST_FIXED_P): New predicate macro.
+
+2012-09-17 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-cfgcleanup. (cleanup_control_expr_graph) <GIMPLE_COND>: Remove
+ code doing propagation from degenerate PHI nodes.
+ * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): New function.
+ (propagate_constants_for_unrolling): Likewise.
+ (tree_unroll_loops_completely): If the current loop has been unrolled
+ and its father isn't the entire function, propagate constants within
+ the new basic blocks by means of propagate_constants_for_unrolling.
+
+2012-09-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/54563
+ * tree-ssa-math-opts.c (execute_cse_sincos): Call
+ gimple_purge_dead_eh_edges if last call has been changed.
+
+2012-09-17 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54222
+ * config/avr/avr.c (avr_out_plus_symbol): Fix typo if PLUS and PSImode.
+ (avr_out_plus_1): Remove log comments from assembler output.
+
+2012-09-17 Ruben Buchatskiy <ruben@ispras.ru>
+
+ * config/arm/vfp.md (*thumb2_movdf_vfp): Require one of the operands
+ to be a register.
+
+2012-09-16 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * calls.c (expand_call): Use emit_group_move for PARALLEL->PARALLEL
+ moves.
+
+2012-09-15 Tom de Vries <tom@codesourcery.com>
+
+ * tree-vrp.c (extract_range_from_binary_expr_1): Fix bug in handling of
+ LSHIFT_EXPR with shift range. Handle more LSHIFT_EXPR cases with shift
+ range.
+
+2012-09-15 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54222
+ * config/avr/avr-fixed.md (ALL2S, ALL4S, ALL24S, ALL124S,
+ ALL124U): New mode iterators.
+ (<code_stdname><mode>3): New insns for SS_PLUS, SS_MINUS.
+ (<code_stdname><mode>3): New insns for US_PLUS, US_MINUS.
+ (usneg<mode>2): New insns.
+ (<code_stdname><mode>2): New expanders for SS_NEG, SS_ABS.
+ (*<code_stdname><mode>2): New insns for SS_NEG, SS_ABS.
+ * config/avr/avr-dimode.md (ALL8U, ALL8S): New mode iterators.
+ (avr_out_plus64, avr_out_minus64): Use avr_out_plus instead.
+ (<code_stdname><mode>3): New expanders for SS_PLUS, SS_MINUS.
+ (<code_stdname><mode>3): New expanders for US_PLUS, US_MINUS.
+ (<code_stdname><mode>3_insn): New insns.
+ (<code_stdname><mode>3_const_insn): New insns.
+ * config/avr/avr.md (cc): Add: plus. Remove: out_plus,
+ out_plus_noclobber, minus.
+ (length): Add: plus. Remove: out_plus, out_plus_noclobber,
+ plus64, minus, minus64.
+ (abelian): New code_attr.
+ (code_stdname): Handle: ss_plus, ss_minus, ss_neg, ss_abs,
+ us_plus, us_minus, us_neg.
+ (*add<mode>3, add<mode>3_clobber, add<mode>3, addpsi3, sub<mode>3):
+ Use avr_out_plus to output.
+ * config/avr/avr-protos.h (avr_out_plus): Change prototype.
+ (avr_out_plus_noclobber, avr_out_minus): Remove.
+ (avr_out_plus64, avr_out_minus64): Remove.
+ * config/avr/avr.c (avr_out_plus_1): Add new default arguments
+ code_sat, sign. Saturate after operation if code_sat != UNKNOWN.
+ (avr_out_plus_symbol): New static function.
+ (avr_out_plus): Rewrite.
+ (adjust_insn_length): Handle: ADJUST_LEN_PLUS. Remove handling
+ of: ADJUST_LEN_OUT_PLUS, ADJUST_LEN_PLUS64, ADJUST_LEN_MINUS,
+ ADJUST_LEN_MINUS64, ADJUST_LEN_OUT_PLUS_NOCLOBBER.
+ (notice_update_cc): Handle: CC_PLUS. Remove handling of: CC_MINUS,
+ CC_OUT_PLUS, CC_OUT_PLUS_NOCLOBBER
+ (avr_out_plus_noclobber, avr_out_minus): Remove.
+ (avr_out_plus64, avr_out_minus64): Remove.
+ (avr_print_operand): Print raw REGNO if 'r' is used with REG.
+
+2012-09-15 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_rtx_costs): Add handling of MEM, SIGN_EXTEND,
+ ZERO_EXTEND and PARALLEL cases.
+ (sh_address_cost): Correct rtx parsing and tweak cost estimations.
+
+2012-09-14 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/tm.texi.in (Stack Arguments): Update obsolete references
+ to current_function_outgoing_args_size.
+ (Function Entry): Likewise for current_function_pops_args,
+ current_function_pretend_args_size,
+ current_function_outgoing_args_size, and
+ current_function_epilogue_delay_list.
+ (Misc): Fix garbled sentence referencing nonexistent
+ current_function_leaf_function.
+ * doc/tm.texi: Regenerated.
+
+2012-09-14 Dehao Chen <dehao@google.com>
+
+ * tree-eh.c (goto_queue_node): New field.
+ (record_in_goto_queue): New parameter.
+ (record_in_goto_queue_label): New parameter.
+ (lower_try_finally_dup_block): New parameter.
+ (maybe_record_in_goto_queue): Update source location.
+ (lower_try_finally_copy): Likewise.
+ (honor_protect_cleanup_actions): Likewise.
+ * gimplify.c (gimplify_expr): Reset the location to unknown.
+
+2012-09-14 David Edelsohn <dje.gcc@gmail.com>
+
+ * configure: Regenerated.
+
+2012-09-14 Walter Lee <walt@tilera.com>
+
+ * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
+ option for TILEPro and TILE-Gx.
+ (TILE-Gx Options): Fix grammar and spellings in documentation for
+ -mcmodel.
+
+2012-09-14 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c++/54427
+ * fold-const.c (fold_unary_loc): Disable for VECTOR_TYPE.
+ (fold_binary_loc): Likewise.
+ * gimple-fold.c (and_comparisons_1): Handle VECTOR_TYPE.
+ (or_comparisons_1): Likewise.
+
+2012-09-14 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/54516
+ PR rtl-optimization/54540
+ * reload.c (find_dummy_reload): Don't use OUT as a reload reg
+ for IN if it overlaps a fixed register.
+
+2012-09-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/44194
+ * calls.c (expand_call): In the PARALLEL case, copy the return value
+ into pseudos instead of spilling it onto the stack.
+ * emit-rtl.c (adjust_address_1): Rename ADJUST into ADJUST_ADDRESS and
+ add new ADJUST_OBJECT parameter.
+ If ADJUST_OBJECT is set, drop the underlying object if it cannot be
+ proved that the adjusted memory access is still within its bounds.
+ (adjust_automodify_address_1): Adjust call to adjust_address_1.
+ (widen_memory_access): Likewise.
+ * expmed.c (store_bit_field_1): Call adjust_bitfield_address instead
+ of adjust_address. Do not drop the underlying object of a MEM.
+ (store_fixed_bit_field): Likewise.
+ (extract_bit_field_1): Likewise. Fix oversight in recursion.
+ (extract_fixed_bit_field): Likewise.
+ * expr.h (adjust_address_1): Adjust prototype.
+ (adjust_address): Adjust call to adjust_address_1.
+ (adjust_address_nv): Likewise.
+ (adjust_bitfield_address): New macro.
+ (adjust_bitfield_address_nv): Likewise.
+ * expr.c (expand_assignment): Handle a PARALLEL in more cases.
+ (store_expr): Likewise.
+ (store_field): Likewise.
+
+ * dse.c: Fix typos in the head comment.
+
+2012-09-14 Christian Bruel <christian.bruel@st.com>
+
+ PR target/54546
+ * config/sh/sh-protos.h (sh_need_epilogue): Delete.
+ (sh_can_use_simple_return_p): Declare.
+ * config/sh/sh.c (sh_can_use_simple_return_p): Define.
+ (sh_need_epilogue, sh_need_epilogue_known): Delete.
+ (sh_output_function_epilogue): Remove sh_need_epilogue_known.
+ * config/sh/sh.md (simple_return, return): Define.
+ (epilogue): Use inline return rtl.
+ (sh_expand_epilogue): Cleanup parameters boolean type.
+ * config/sh/iterators.md (any_return): New iterator.
+
+2012-09-14 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/predicates.md (t_reg_operand): Check REG_P for SUBREG.
+ * config/sh/sh.c (sequence_insn_p): Check INSNP_P for SEQUENCE.
+
+2012-09-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/54564
+ * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
+ instead of (match_dup 0) as second argument to vec_merge.
+ (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
+ Remove third alternative.
+ (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
+ operand 2 instead of operand 1, but put it as first argument of fma.
+ * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
+ _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
+ of the first.
+
+2012-09-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54565
+ * passes.c (init_optimization_passes): Adjust comments.
+ (execute_function_todo): Do not execute execute_update_addresses_taken
+ before processing TODO_rebuild_alias.
+ * tree-ssa-ccp.c (do_ssa_ccp): Schedule TODO_update_address_taken.
+
+2012-09-14 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (register_new_assert_for): Simplify for backward walk.
+ (find_assert_locations_1): Walk the basic-block backwards, properly
+ add/prune from live. Use live for asserts derived from stmts.
+
+2012-09-14 Marc Glisse <marc.glisse@inria.fr>
+
+ * tree-ssa-forwprop.c (simplify_bitfield_ref): Call
+ get_prop_source_stmt.
+ (simplify_permutation): Likewise.
+ (simplify_vector_constructor): Likewise.
+
+2012-09-14 Richard Guenther <rguenther@suse.de>
+
+ * builtin-types.def (BT_FN_CONST_STRING): Add.
+ * builtins.def (BUILT_IN_FILE, BUILT_IN_FUNCTION,
+ BUILT_IN_LINE): New builtins.
+ * gimplify.c (gimplify_call_expr): Expand them.
+ * doc/extend.texi (__builtin_LINE, __builtin_FUNCTION,
+ __builtin_FILE): Document.
+
+2012-09-13 Anthony Green <green@moxielogic.com>
+
+ * config/moxie/moxie.h (LINK_SPEC): Add bi-endian support.
+ (MULTILIB_DEFAULTS): Define.
+ (ASM_SPEC): Define.
+ (BYTES_BIG_ENDIAN, WORDS_BIG_ENDIAN): Add bi-endian support.
+ (TARGET_CPU_CPP_BUILTINS): Add __MOXIE_LITTLE_ENDIAN__ and
+ __MOXIE_BIG_ENDIAN__.
+ * config/moxie/t-moxie (MULTILIB_DIRNAMES, MULTILIB_OPTIONS): Define.
+ * config/moxie/moxie.opt: New file.
+ * doc/invoke.texi (Moxie Options): Add section documenting -mel
+ and -meb.
+
+2012-09-13 Paolo Carlini <paolo.carlini@oracle.com>
+ Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c++/53210
+ * doc/invoke.texi ([Winit-self]): Document as enabled by -Wall in C++.
+
+2012-09-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/predicates.md (input_operand): Do not consider TImode
+ constants as 1-instruction integer constants.
+ Use register_or_zero_operand instead of register_operand and tidy up.
+ * config/sparc/sparc.md (movti): New expander.
+ (movti_insn_sp64): New instruction.
+ (movti_insn_sp64_hq): Likewise.
+ (TImode splitters): New splitters.
+ * config/sparc/sparc.c (sparc_expand_move) <TImode>: New case.
+ (sparc_legitimate_address_p): Return 0 for REG+REG in TImode.
+
+ * config/sparc/sparc-protos.h (arith_double_4096_operand): Delete.
+ (arith_4096_operand): Likewise.
+ (zero_operand): Likewise.
+ (fp_zero_operand): Likewise.
+ (reg_or_0_operand): Likewise.
+
+2012-09-13 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.ac (CXXFLAGS): Remove -O2 when not bootstrapping.
+ * configure: Regenerated.
+
+2012-08-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
+ (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
+ Rename to ...
+ (*prefetch_sse): ... this.
+ (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
+ Rename to ...
+ (*prefetch_3dnow): ... this.
+
+2012-09-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ipa-pure-const.c (state_from_flags, local_pure_const): Use
+ current_function_name instead of lang_hooks.decl_printable_name.
+
+ * function.h (fndecl_name): New prototype.
+ * function.c (fndecl_name): New function.
+ * vecir.h (cgraph_node_p): New standard IR VEC type.
+ * trans-mem.c (cgraph_node_p): No need anymore to define it here.
+ * ipa-utils.h (ipa_get_nodes_in_cycle): New prototype.
+ * ipa-utils.c (ipa_get_nodes_in_cycle): New function.
+ * ipa-reference.c: Don't include langhooks.h, and certainly not twice.
+ Fix many formatting issues (long lines, short lines, spacing, etc.).
+ (get_static_name): Use fndecl_name.
+ (dump_static_vars_set_to_file): New function split out from propagate.
+ (union_static_var_sets): New function, union two sets and collapse
+ to all_module_statics as quickly as possible.
+ (intersect_static_var_sets): New function, similar to above.
+ (copy_static_var_set): Renamed from copy_global_bitmap and rewritten
+ to allocate a copy on the same bitmap_obstack as the source set.
+ (propagate_bits): Simplify, and clarify by using union_static_var_sets.
+ (generate_summary): Remove bm_temp. Print UID of promotable globals.
+ (read_write_all_from_decl): Use pass-by-reference, bless C++.
+ (get_read_write_all_from_node): New function, split out from propagate.
+ (propagate): Simplify and clarify with helper functions. Use
+ ipa_get_nodes_in_cycle to walk all nodes in a reduced node.
+ (ipa_reference_read_optimization_summary): Use fndecl_name instead of
+ lang_hooks.decl_printable_name.
+
+ * rtl.h (print_rtl_single_with_indent): New prototype.
+ * print-rtl.c (print_rtl_single_with_indent): New function.
+ * cfghooks.h (empty_block_p, split_block_before_cond_jump): New hooks.
+ * cfghooks.c (empty_block_p, split_block_before_cond_jump): Implement.
+ * cfgrtl.c (rtl_block_empty_p, rtl_split_block_before_cond_jump):
+ Implement RTL specific hooks.
+ (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Register the new hooks.
+ * tree-cfg.c (gimple_empty_block_p,
+ gimple_split_block_before_cond_jump): Implement GIMPLE specific hooks.
+ (gimple_cfg_hooks): Register the new hooks.
+ * tree-ssa-phiopt.c (empty_block_p): Remove in favor of new hook.
+
+2012-09-13 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.h (enum vn_kind): New.
+ (vn_get_stmt_kind): Likewise.
+ * tree-ssa-sccvn.c (vn_get_stmt_kind): New function, adjust
+ ADDR_EXPR handling.
+ (visit_use): Use it.
+ * tree-ssa-pre.c (compute_avail): Likewise, simplify further.
+
+2012-09-13 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
+
+ * config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
+ for targets bdver1, bdver2, btver1 and btver2.
+
+2012-09-13 Christophe Lyon <christophe.lyon@linaro.org>
+ Richard Earnshaw <rearnsha@arm.com>
+
+ * config/arm/arm.md (arm_rev): Factorize thumb1, thumb2 and arm
+ variants for rev instruction..
+ (thumb1_rev): Delete pattern.
+ (arm_revsh): New pattern to support builtin_bswap16.
+ (arm_rev16, bswaphi2): Likewise.
+
+2012-09-12 Teresa Johnson <tejohnson@google.com>
+
+ PR gcov-profile/54487
+ * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
+ test using F_SETLKW with fcntl.
+ * configure, config.in: Regenerate.
+
+2012-09-12 Jan Hubicka <jh@suse.cz>
+
+ PR fortran/48636
+ * ipa-inline-analysis.c (dump_inline_hints): Dump loop stride.
+ (set_hint_predicate): New function.
+ (reset_inline_summary): Reset loop stride.
+ (remap_predicate_after_duplication): New function.
+ (remap_hint_predicate_after_duplication): New function.
+ (inline_node_duplication_hook): Update.
+ (dump_inline_summary): Dump stride summaries.
+ (estimate_function_body_sizes): Compute strides.
+ (remap_hint_predicate): New function.
+ (inline_merge_summary): Use it.
+ (inline_read_section): Read stride.
+ (inline_write_summary): Write stride.
+ * ipa-inline.c (want_inline_small_function_p): Handle strides.
+ (edge_badness): Likewise.
+ * ipa-inline.h (inline_hints_vals): Add stride hint.
+ (inline_summary): Update stride.
+
+2012-09-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (x86_prefetch_sse): Change to unsigned char.
+ * config/i386/i386.h (x86_prefetch_sse): Ditto.
+
+2012-09-12 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/54445
+ * config/i386/predicates.md (x86_64_immediate_operand): Allow
+ negative offset for UNSPEC_DTPOFF/UNSPEC_NTPOFF.
+
+2012-09-12 Jan Hubicka <jh@suse.cz>
+
+ * common.opt (flto-partition): Add "max".
+ * invoke.texi (flto-partition): Document "max"
+
+2012-09-12 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
+
+ * config/i386/i386.md : Comments on fma4 instruction selection
+ reflect requirement on register pressure based cost model.
+
+ * config/i386/driver-i386.c (host_detect_local_cpu): fma4
+ flag is set-reset as informed by the cpuid flag.
+
+ * config/i386/i386.c (processor_alias_table): fma4
+ flag is enabled for bdver2.
+
+2012-09-12 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54489
+ * tree-ssa-pre.c: Include domwalk.h.
+ (in_fre): Remove.
+ (sccvn_valnum_from_value_id): New function.
+ (debug_bitmap_sets_for): Simplify.
+ (get_representative_for): Properly initialize the SCCVN valnum.
+ (create_expression_by_pieces): Likewise.
+ (insert_into_preds_of_block): Likewise.
+ (can_PRE_operation): Remove.
+ (make_values_for_phi): Simplify.
+ (compute_avail): Likewise.
+ (do_SCCVN_insertion): Remove.
+ (eliminate_avail, eliminate_push_avail, eliminate_insert):
+ New functions.
+ (eliminate): Split and perform a domwalk.
+ (eliminate_bb): Former eliminate part that is now dom-enter.
+ (eliminate_leave_block): New function.
+ (fini_eliminate): Likewise.
+ (init_pre): Simplify.
+ (fini_pre): Likewise.
+ (execute_pre): Fold into do_pre and do_fre.
+ (do_pre): Consume execute_pre.
+ (do_fre): Likewise.
+ * Makefile.in (tree-ssa-pre.o): Add domwalk.h dependency.
+
+2012-09-12 Diego Novillo <dnovillo@google.com>
+
+ * vec.h: Remove compatibility notes for previous distinction
+ between vectors of objects and vectors of pointers.
+
+2012-09-12 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
+
+2012-09-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * rtl.h (FFS, FLOAT, ABS, PC): Don't undef.
+ * system.h (FFS, FLOAT, ABS, PC): Undef.
+
+2012-09-12 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/54553
+ * common.opt (finline): Mark with Optimization.
+
+2012-09-12 Jakub Jelinek <jakub@redhat.com>
+
+ * config.gcc: Obsolete picochip-*.
+
+2012-09-12 Nathan Froyd <froydnj@gcc.gnu.org>
+ Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.h (MMIX_REG_OK_STRICT): Delete.
+ (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P): Delete.
+ (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
+ * config/mmix/mmix-protos.h (mmix_intval): Declare.
+ (mmix_const_ok_for_letter_p, mmix_extra_constraint): Delete.
+ (mmix_const_double_ok_for_letter_p): Delete.
+ * config/mmix/constraints.md: New file.
+ * config/mmix/mmix.md: Include it.
+ (iordi3): Fix typo; use "I" instead of undefined "H" constraint.
+ ("*call_real"): Update comment about not using the "p" constraint.
+ * config/mmix/predicates.md (mmix_reg_or_8bit_operand): Use
+ satisfies_constraint_I.
+ (mmix_address_operand): New predicate.
+ (mmix_symbolic_or_address_operand): Use it instead of address_operand.
+ * config/mmix/mmix.c: #include tm-constrs.h.
+ (mmix_intval): Delete declaration. Make non-static.
+ (mmix_const_ok_for_letter_p, mmix_extra_constraint): Delete.
+ (mmix_const_double_ok_for_letter_p): Delete.
+ (mmix_legitimate_address_p): Use satisfies_constraint_I.
+ (mmix_print_operand_address): Likewise.
+ (mmix_emit_sp_add): Adjust to use insn_const_int_ok_for_constraint
+ when matching "L" constraint.
+
+2012-09-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree.h (expand_case): Move prototype ...
+ * expr.h (expand_case): ...here.
+ (expand_sjlj_dispatch_table): New prototype.
+ * stmt.c: Include pointer-set.h instead of bitmap.h.
+ (expand_case): Use a pointer set instead of a bitmap for
+ already-seen labels. Fold label values here.
+ (add_case_node): Don't fold label values here.
+ (expand_sjlj_dispatch_table): New function.
+ * except.c (sjlj_emit_dispatch_table): Use it.
+
+2012-09-11 Marc Glisse <marc.glisse@inria.fr>
+
+ * tree-ssa-forwprop.c (simplify_vector_constructor): New function.
+ (ssa_forward_propagate_and_combine): Call it.
+
+2012-09-11 Diego Novillo <dnovillo@google.com>
+
+ * var-tracking.c (vt_add_function_parameter): Adjust for VEC changes.
+
+2012-09-11 Dominique Dhumieres <dominiq@lps.ens.fr>
+
+ * config/darwin.c (darwin_asm_named_section): Adjust for VEC changes.
+ (darwin_asm_dwarf_section): Likewise.
+
+2012-09-11 Martin Jambor <mjambor@suse.cz>
+
+ * dwarf2out.c (dwarf2out_abstract_function): Do not change cfun.
+ (premark_used_types): New parameter fun, use it instead of cfun.
+ (gen_subprogram_die): Use DECL_STRUCT_FUNCTION (decl) instead of cfun,
+ also pass it to premark_used_types.
+
+2012-09-11 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ * doc/sourcebuild.texi (arm_neon_v2_ok): Adjust command line.
+
+2012-09-11 Tobias Burnus <burnus@net-b.de>
+
+ * doc/sourcebuild.texi (arm_neon_v2_ok): Fix @anchor.
+
+2012-09-11 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+ Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/neon.md (fma<VCVTF:mode>4): New pattern.
+ (*fmsub<VCVTF:mode>4): Likewise.
+ * doc/sourcebuild.texi (arm_neon_v2_ok, arm_neon_v2_hw): Document it.
+
+2012-09-11 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/54149
+ * tree-ssa-loop-im.c (execute_sm_if_changed_flag_set): Only set
+ flag for writes.
+
+2012-09-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/55492
+ * doc/invoke.texi (max-slsr-cand-scan): New description.
+ * gimple-ssa-strength-reduction.c (find_basis_for_candidate): Limit
+ the time spent searching for a basis.
+ * params.def (PARAM_MAX_SLSR_CANDIDATE_SCAN): New param.
+
+2012-09-11 Richard Guenther <rguenther@suse.de>
+
+ * gimple.h (gimple_register_type): Remove.
+ (print_gimple_types_stats): Adjust prototype.
+ * lto-streamer.h (print_lto_report): Likewise.
+ * lto-streamer.c (print_lto_report): Adjust.
+ * gimple.c (gimple_types, type_hash_cache, enum gtc_mode,
+ struct type_pair_d, lookup_type_pair, struct sccs,
+ next_dfs_num, gtc_next_dfs_num, struct gimple_type_leader_entry_s,
+ gimple_type_leader, gimple_lookup_type_leader, compare_type_names_p,
+ gtc_visit, gimple_types_compatible_p_1, gimple_types_compatible_p,
+ visit, iterative_hash_name, struct type_hash_pair,
+ type_hash_pair_compare, iterative_hash_gimple_type, gimple_type_hash,
+ gimple_type_eq, gimple_register_type_1, gimple_register_type):
+ Move to lto/lto.c.
+ (print_gimple_types_stats): Adjust.
+ (free_gimple_type_tables): Likewise.
+
+2012-09-11 Richard Guenther <rguenther@suse.de>
+
+ * graphite-scop-detection.c (move_sd_regions): Adjust for VEC changes.
+ (scopdet_basic_block_info): Likewise.
+ (build_scops_1): Likewise.
+ (limit_scops): Likewise.
+
+2012-09-11 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/54515
+ * gimple.c (get_base_address): Do not return NULL_TREE apart
+ from for WITH_SIZE_EXPR.
+ * gimple-fold.c (canonicalize_constructor_val): Do not call
+ get_base_address when not necessary.
+
+2012-09-10 Andrew Pinski <apinski@cavium.com>
+
+ PR tree-opt/54362
+ * trans-mem.c (thread_private_new_memory): Handle COND_EXPR also.
+
+2012-09-10 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_sched_dfa_post_advance_cycle): Support
+ starting scheduling from a pre-existing state.
+
+2012-09-10 Diego Novillo <dnovillo@google.com>
+
+ * vec.h (vec_t::quick_push): Remove overload that accepts 'T *'.
+ Update all users.
+ (vec_t::safe_push): Likewise.
+ (vec_t::quick_insert): Likewise.
+ (vec_t::lower_bound): Likewise.
+ (vec_t::safe_insert): Likewise.
+ (vec_t::replace): Change second argument to 'T &'.
+
+2012-09-10 Maciej W. Rozycki <macro@codesourcery.com>
+
+ * config/rs6000/rs6000.md: Move a splitter next to its insn.
+
+2012-09-10 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Set always to 1 if
+ dynamic shifts are available.
+ (SHIFT_COUNT_TRUNCATED): Always define to 0. Correct comment.
+ * config/sh/sh.c (ashl_lshr_seq, ext_ashl_lshr_seq): Add comments.
+ * config/sh/predicates.md (shift_count_operand): Allow
+ arith_reg_operand even if TARGET_DYNSHIFT is false.
+ * config/sh/sh.md (ashlsi3, lshrsi3): Expand library call patterns
+ if needed.
+ (ashlsi3_d_call, lshrsi3_d_call): New insns.
+
+2012-09-10 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira.c (setup_pressure_classes): Handle synonymous classes.
+
+2012-09-10 Marc Glisse <marc.glisse@inria.fr>
+
+ * tree-ssa-forwprop.c (simplify_bitfield_ref): New function.
+ (ssa_forward_propagate_and_combine): Call it.
+
+2012-09-10 Steve Ellcey <sellcey@mips.com>
+
+ * config.gcc: Add mips*-mti-linux* target
+ Handle with_synci like other options.
+ * config/mips/gnu-user64.h (LINUX64_DRIVER_SELF_SPECS): New.
+ (DRIVER_SELF_SPECS): Define in terms of LINUX64_DRIVER_SELF_SPECS.
+ * config/mips/mips.h (MIPS_ISA_SYNCI_SPEC): New.
+ * config/mips/mti-linux.h: New file.
+ * config/mips/t-mti-linux: New file.
+
+2012-09-10 Marc Glisse <marc.glisse@inria.fr>
+
+ * tree-ssa-forwprop.c (simplify_permutation): Handle CONSTRUCTOR.
+
+2012-09-10 Martin Jambor <mjambor@suse.cz>
+
+ * params.def (PARAM_IPA_MAX_AGG_ITEMS): New parameter.
+ * ipa-prop.c: Include params.h.
+ (IPA_MAX_AFF_JF_ITEMS): Removed.
+ (determine_known_aggregate_parts): Use param value of
+ PARAM_IPA_MAX_AGG_ITEMS instead of IPA_MAX_AFF_JF_ITEMS.
+ * Makefile.in (ipa-prop.o): Add PARAMS_H dependency.
+
+2012-09-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54520
+ * tree-ssa-threadupdate.c (def_split_header_continue_p):
+ Properly consider sub-loops.
+
+2012-09-10 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/predicates.md (small_symbolic_operand): Disallow
+ large offsets.
+
+2012-09-10 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54536
+ * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
+
+2012-09-10 Jan Hubicka <jh@suse.cz>
+
+ * lto-cgraph.c (compute_ltrans_boundary): Do not care about aliases.
+ * symtab.c (symtab_make_decl_local): Remove user defined visibility
+ when making symbol local.
+
+2012-09-09 Mark Kettenis <kettenis@gnu.org>
+
+ * config/openbsd-stdint.h (INTMAX_TYPE, UINTMAX_TYPE): Define.
+
+2012-09-09 Jan Hubicka <jh@suse.cz>
+
+ * passes.c (ipa_write_summaries_1): Set state;
+ do not call compute_ltrans_boundary.
+ (ipa_write_optimization_summaries): Likewise.
+ (ipa_write_summaries): compute_ltrans_boundary here.
+ * lto-streamer.h (lto_symtab_encoder_d): NODES are allocated in heap.
+ (compute_ltrans_boundary): Update prototype.
+
+2012-09-09 Ulrich Drepper <drepper@gmail.com>
+
+ * config/i386/cpuid.h: Define signature_*_e[bcd]x macros for
+ matching results of level 0 calls to __cpuid to processor
+ manufacturers.
+ * config/i386/driver-i386.c (vendor_signatures): Removed.
+ (processor_signatures): Removed.
+ (host_detect_local_cpu): Replace uses of now-removed SIG_*
+ constants with the new signature_*_ebx constants.
+
+2012-09-08 Jan Hubicka <jh@suse.cz>
+
+ Replace cgraph_node_set and varpool_node_set by symtab_node_encoder
+ in partitioning.
+ * tree-pass.h (cgraph_node_set_def, varpool_node_set_def): Remove
+ forward declaration.
+ (lto_symtab_encoder_d): Forward declare.
+ (ipa_write_optimization_summaries): Update.
+ * lto-cgraph.c (lto_symtab_encoder_new): Do not initialize
+ body, initializer and in_partition.
+ (lto_symtab_encoder_delete): Update.
+ (lto_symtab_encoder_encode): Update.
+ (lto_symtab_encoder_lookup): Move inline.
+ (lto_symtab_encoder_delete_node): New function.
+ (lto_symtab_encoder_encode_body_p, lto_set_symtab_encoder_encode_body,
+ lto_symtab_encoder_encode_initializer_p,
+ lto_set_symtab_encoder_encode_initializer,
+ lto_symtab_encoder_in_partition_p,
+ lto_symtab_encoder_in_partition_p): Update.
+ (compute_ltrans_boundary): Take encoder as an input.
+ * passes.c (ipa_write_summaries_1): Update.
+ (ipa_write_summaries_1): Update.
+ (ipa_write_summaries): Update.
+ (ipa_write_optimization_summaries): Update.
+ * lto-streamer.c (print_lto_report): Report number of cgraph nodes.
+ * lto-streamer.h (lto_stats_d): Replace num_output_cgraph_nodes by
+ num_output_symtab_nodes.
+ (lto_encoder_entry): New structure.
+ (struct lto_symtab_encoder_d): Reorg.
+ (lto_symtab_encoder_delete_node): Declare.
+ (lto_symtab_encoder_lookup): Bring inline.
+ (compute_ltrans_boundary): Update.
+ (lto_symtab_encoder_size): Update.
+ (lsei_node, lsei_cgraph_node, lsei_varpool_node): Update.
+ (lto_symtab_encoder_deref): Update.
+
+2012-09-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * config/pa/pa.c (hppa_rtx_costs): Update costs for large
+ integer modes.
+
+2012-09-08 Andi Kleen <ak@linux.intel.com>
+
+ * lto/lto.c (do_whole_program_analysis): Fix last broken patch.
+
+2012-09-08 Andi Kleen <ak@linux.intel.com>
+
+ * common.opt (-fmem-report-wpa): Add
+ * doc/invoke.texi (-fmem-report-wpa): Document.
+ * lto/lto.c (do_whole_program_analysis): Run mem_report
+ when mem_report_wpa is set.
+
+2012-09-07 Anthony Green <green@moxielogic.com>
+
+ * config/moxie/moxie.c (moxie_expand_prologue): Optimize prologue
+ for functions with large static stack requirements.
+ (moxie_expand_epilogue): Use $r12 instead of $r5 for pulling saved
+ values off of the stack.
+
+2012-09-07 Nick Clifton <nickc@redhat.com>
+
+ * config/v850/v850.h (DBX_DEBUGGING_INFO): Define.
+ (ASM_GENERATE_INTERNAL_LABEL): Define if not already provided.
+ * config/v850/v850.c (compute_register_save_size): Always include
+ the link pointer.
+ (increment_stack): New function - emits insns to increment or
+ decrement the stack pointer.
+ (expand_prologue, expand_epilogue): Use it.
+ (expand_prologue): Set the function stack size, if requested.
+ (v850_debug_unwind_info): New function.
+ (TARGET_DEBUG_UNWIND_INFO): Define.
+
+2012-09-07 Richard Earnshaw <rearnsha@arm.com>
+
+ PR tree-ssa/54295
+ * tree-ssa-math-opts.c (widening_mult_conversion_strippable_p):
+ Sign-extension of a zero-extended value can be simplified to
+ just zero-extension.
+
+2012-09-07 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53667
+ * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
+ EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT
+ arguments separately.
+
+2012-09-07 Steven Bosscher <steven@gcc.gnu.org>
+
+ * bitmap.c (bitmap_last_set_bit): Rewrite to return the correct bit.
+
+ * graphite.c (print_global_statistics): Use EDGE_COUNT instead
+ of VEC_length.
+ (print_graphite_scop_statistics): Likewise.
+ * graphite-scop-detection.c (get_bb_type): Use single_succ_p.
+ (print_graphite_scop_statistics): Use EDGE_COUNT, not VEC_length.
+ (canonicalize_loop_closed_ssa): Use single_pred_p.
+
+ * alias.c (reg_seen): Make this an sbitmap.
+ (record_set, init_alias_analysis): Update.
+
+ * tree-ssa-coalesce.c (ssa_conflicts_dump): Fix dumping.
+
+2012-09-07 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/53986
+ * tree-vrp.c (extract_range_from_multiplicative_op_1): Allow
+ LSHIFT_EXPR.
+ (extract_range_from_binary_expr_1): Handle LSHIFT with constant
+ range as shift amount.
+
+2012-09-07 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/aix43.h (RS6000_CALL_GLUE): Delete.
+ * config/rs6000/aix51.h (RS6000_CALL_GLUE): Delete.
+ * config/rs6000/aix52.h (RS6000_CALL_GLUE): Delete.
+ * config/rs6000/aix53.h (RS6000_CALL_GLUE): Delete.
+ * config/rs6000/aix61.h (RS6000_CALL_GLUE): Delete.
+ * config/rs6000/freebsd64.h (RS6000_CALL_GLUE): Delete.
+ * config/rs6000/linux64.h (RS6000_CALL_GLUE): Delete.
+ * config/rs6000/rs6000.c (print_operand) ['.']: Delete.
+ * config/rs6000/rs6000.h (RS6000_CALL_GLUE): Delete.
+ * config/rs6000/rs6000.md (tls_gd_aix<TLSmode:tls_abi_suffix>):
+ Replace %. with nop.
+ (tls_gd_call_aix<TLSmode:tls_abi_suffix>): Ditto.
+ (tls_ld_aix<TLSmode:tls_abi_suffix>): Ditto.
+ (tls_ld_call_aix<TLSmode:tls_abi_suffix>): Ditto.
+ (call_nonlocal_aix32): Ditto.
+ (call_nonlocal_aix64): Ditto.
+ (call_value_nonlocal_aix32): Ditto.
+ (call_value_nonlocal_aix64): Ditto.
+
+2012-09-06 Andi Kleen <ak@linux.intel.com>
+
+ * doc/invoke.texi (-ffat-lto-objects): Clarify that gcc-ar
+ et.al. should be used.
+
+2012-09-06 Andi Kleen <ak@linux.intel.com>
+
+ * lto-streamer.h (res_pair): Add.
+ (lto_file_decl_data): Replace resolutions with respairs.
+ Add max_index.
+ * lto/lto.c (lto_resolution_read): Remove max_index. Add rp.
+ Initialize respairs.
+ (lto_file_finalize): Set up resolutions vector lazily from respairs.
+
+2012-09-06 Lawrence Crowl <crowl@google.com>
+
+ * double-int.h (double_int::operator &=): New.
+ (double_int::operator ^=): New.
+ (double_int::operator |=): New.
+ (double_int::mul_with_sign): Modify overflow parameter to bool*.
+ (double_int::add_with_sign): New.
+ (double_int::ule): New.
+ (double_int::sle): New.
+ (binary double_int::operator *): Remove parameter name.
+ (binary double_int::operator +): Likewise.
+ (binary double_int::operator -): Likewise.
+ (binary double_int::operator &): Likewise.
+ (double_int::operator |): Likewise.
+ (double_int::operator ^): Likewise.
+ (double_int::and_not): Likewise.
+ (double_int::from_shwi): Tidy formatting.
+ (double_int::from_uhwi): Likewise.
+ (double_int::from_uhwi): Likewise.
+ * double-int.c (double_int::mul_with_sign): Modify overflow parameter
+ to bool*.
+ (double_int::add_with_sign): New.
+ (double_int::ule): New.
+ (double_int::sle): New.
+ * builtins.c: Modify to use the new double_int interface.
+ * cgraph.c: Likewise.
+ * combine.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * emit-rtl.c: Likewise.
+ * expmed.c: Likewise.
+ * expr.c: Likewise.
+ * fixed-value.c: Likewise.
+ * fold-const.c: Likewise.
+ * gimple-fold.c: Likewise.
+ * gimple-ssa-strength-reduction.c: Likewise.
+ * gimplify-rtx.c: Likewise.
+ * ipa-prop.c: Likewise.
+ * loop-iv.c: Likewise.
+ * optabs.c: Likewise.
+ * stor-layout.c: Likewise.
+ * tree-affine.c: Likewise.
+ * tree-cfg.c: Likewise.
+ * tree-dfa.c: Likewise.
+ * tree-flow-inline.h: Likewise.
+ * tree-object-size.c: Likewise.
+ * tree-predcom.c: Likewise.
+ * tree-pretty-print.c: Likewise.
+ * tree-sra.c: Likewise.
+ * tree-ssa-address.c: Likewise.
+ * tree-ssa-alias.c: Likewise.
+ * tree-ssa-ccp.c: Likewise.
+ * tree-ssa-forwprop.c: Likewise.
+ * tree-ssa-loop-ivopts.c: Likewise.
+ * tree-ssa-loop-niter.c: Likewise.
+ * tree-ssa-phiopt.c: Likewise.
+ * tree-ssa-pre.c: Likewise.
+ * tree-ssa-sccvn: Likewise.
+ * tree-ssa-structalias.c: Likewise.
+ * tree-ssa.c: Likewise.
+ * tree-switch-conversion.c: Likewise.
+ * tree-vect-loop-manip.c: Likewise.
+ * tree-vrp.c: Likewise.
+ * tree.h: Likewise.
+ * tree.c: Likewise.
+ * varasm.c: Likewise.
+
+2012-09-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * configure.ac (hle prefixes): Remove .code64 directive.
+ * configure: Regenerated.
+
+2012-09-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/arm/arm.c: Use CONST_INT_P, CONST_DOUBLE_P, REG_P, MEM_P,
+ LABEL_P, JUMP_P, CALL_P, NOTE_P, BARRIER_P consistently.
+ * config/arm/arm.h: Use REG_P, MEM_P consistently.
+ * config/arm/arm.md: Use CONST_INT_P, REG_P, MEM_P, CONST_DOUBLE_P
+ consistently.
+ * config/arm/neon.md: Use REG_P consistently.
+ * config/arm/predicates.md: Use CONST_INT_P, REG_P, MEM_P consistently.
+ * config/arm/thumb2.md: Use CONST_INT_P, REG_P consistently.
+ * config/arm/vec-common.md: Use REG_P consistently.
+
+2012-09-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54498
+ * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
+ abort when reaching an already visited region.
+ * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it.
+ (get_continuation_for_phi_1): Likewise.
+ (walk_non_aliased_vuses): When we translated the reference,
+ abort when we re-visit a region.
+ * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
+
+2012-09-06 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Add TLS
+ section.
+ * config/rs6000/rs6000.c (rs6000_debug_address_cost): Add new
+ arguments to TARGET_ADDRESS_COST call.
+
+2012-09-06 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (MOVE_NONTEMPORAL): Remove.
+ * tree-pretty-print.c (dump_generic_node): Remove
+ MOVE_NONTEMPORAL handling.
+ * expr.c (expand_expr_real_1): Likewise.
+
+2012-09-06 Richard Guenther <rguenther@suse.de>
+
+ * passes.c (execute_function_todo): Call compute_may_aliases
+ only if flag_tree_pta is set.
+
+2012-09-06 Andrew Pinski <apinski@cavium.com>
+
+ PR tree-opt/54494
+ * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
+
+2012-09-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/54455
+ * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
+ bb ends up with asm goto referencing bb's label.
+
+2012-09-06 Chen Liqin <liqin.gcc@gmail.com>
+
+ * config/score/score.c: Remove TARGET_LEGITIMIZE_ADDRESS define and
+ score_legitimize_address function, use compiler default code instead.
+
+2012-09-05 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (want_inline_small_function_p): Use
+ INLINE_HINT_loop_iterations hint.
+
+2012-09-05 Andrew Pinski <apinski@cavium.com>
+
+ * optabs.c (emit_conditional_add): Correct comment about the arguments.
+ Remove code which might swap op2 and op3 since they cannot be swapped.
+ * doc/md.texi (add@var{mode}cc): Fix document about how the arguments
+ are used.
+
+2012-09-05 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * hooks.c (hook_int_rtx_mode_as_bool_0): New function.
+ * hooks.h (hook_int_rtx_mode_as_bool_0): Declare it.
+ * output.h (default_address_cost): Add machine_mode and address space
+ arguments.
+ * target.def (address_cost): Likewise.
+ * rtlanal.c (address_cost): Pass mode and address space to target hook.
+ (default_address_cost): Add unnamed machine_mode and address space
+ arguments.
+ * doc/tm.texi: Regenerate.
+ * config/alpha/alpha.c (TARGET_ADDRESS_COST): Use
+ hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
+ * config/arm/arm.c (arm_address_cost): Add machine_mode and address
+ space arguments.
+ * config/avr/avr.c (avr_address_cost): Likewise.
+ * config/bfin/bfin.c (bfin_address_cost): Likewise.
+ * config/cr16/cr16.c (cr16_address_cost): Likewise.
+ * config/cris/cris.c (cris_address_cost): Likewise.
+ * config/epiphany/epiphany.c (epiphany_address_cost): Likewise.
+ * config/i386/i386.c (ix86_address_cost): Likewise.
+ * config/ia64/ia64.c (TARGET_ADDRESS_COST): Use
+ hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
+ * config/iq2000/iq2000.c (iq2000_address_cost): Add machine_mode and
+ address space arguments. Pass them on in recursive invocation.
+ * config/lm32/lm32.c (TARGET_ADDRESS_COST): Use
+ hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
+ * config/m32c/m32c.c (m32c_address_cost): Add machine_mode and address
+ space arguments.
+ * config/m32r/m32r.c (TARGET_ADDRESS_COST): Use
+ hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
+ * config/mcore/mcore.c (TARGET_ADDRESS_COST): Likewise.
+ * config/mep/mep.c (mep_address_cost): Add machine_mode and address
+ space arguments.
+ * config/microblaze/microblaze.c (microblaze_address_cost): Likewise.
+ * config/mips/mips.c (mips_address_cost): Likewise.
+ * config/mmix/mmix.c (TARGET_ADDRESS_COST): Use
+ hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
+ * config/mn10300/mn10300.c (mn10300_address_cost): Add machine_mode and
+ address space arguments.
+ (mn10300_rtx_costs): Pass GET_MODE (x) and MEM_ADDR_SPACE (x) to
+ mn10300_address_cost.
+ * config/pa/pa.c (hppa_address_cost): Add machine_mode and address
+ space arguments.
+ * config/rs6000/rs6000.c (rs6000_debug_address_cost): Likewise.
+ (TARGET_ADDRESS_COST): Use hook_int_rtx_mode_as_bool_0 instead of
+ hook_int_rtx_bool_0.
+ * config/rx/rx.c (rx_address_cost): Add machine_mode and address
+ space arguments.
+ * config/s390/s390.c (s390_address_cost): Likewise.
+ * config/score/score-protos.h (score_address_cost): Likewise.
+ * config/score/score.c (score_address_cost): Likewise.
+ * config/sh/sh.c (sh_address_cost): Likewise.
+ * config/sparc/sparc.c (TARGET_ADDRESS_COST): Use
+ hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
+ * config/spu/spu.c (TARGET_ADDRESS_COST): Likewise.
+ * config/stormy16/stormy16.c (xstormy16_address_cost): Add machine_mode
+ and address space arguments.
+ * config/v850/v850.c (TARGET_ADDRESS_COST): Use
+ hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
+ * config/vax/vax.c (vax_address_cost): Add machine_mode and address
+ space arguments.
+ * config/xtensa/xtensa (TARGET_ADDRESS_COST): Use
+ hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
+
+2012-09-05 Diego Novillo <dnovillo@google.com>
+
+ PR bootstrap/54484
+ * vec.h (vec_t::lower_bound): Fix spelling of LESSTHAN argument.
+
+2012-09-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/54486
+ * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
+ build_int_cst with size_type_node instead of size_int.
+
+2012-09-05 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (<sse4_1>_blendv<ssemodesuffix><avxsizesuffix>):
+ Use register_operand instead of reg_not_xmm0_operand{,_maybe_avx}.
+ Use nonimmediate_operand instead of
+ nonimm_not_xmm0_operand{,_maybe_avx}.
+ (<sse4_1_avx2>_pblendvb): Ditto.
+ (sse4_2_pcmpestr): Ditto.
+ (*sse4_2_pcmpestr_unaligned): Ditto.
+ (sse4_2_pcmpistr): Ditto.
+ (*sse4_2_pcmpistr_unaligned): Ditto.
+ * config/i386/predicates.md (reg_not_xmm0_operand): Remove predicate.
+ (nonimm_not_xmm0_operand): Ditto.
+ (nonimm_not_xmm0_operand_maybe_avx): Ditto.
+ (nonimm_not_xmm0_operand_maybe_avx): Ditto.
+ * config/i386/i386.md (rdpmc): Do not force operand 1 into ecx.
+
+2012-09-05 Eric Botcazou <ebotcazou@adacore.com>
+
+ * bb-reorder.c: Clarify a few points in the head comment and fix
+ long lines in other comments.
+ (find_traces): Fix long line.
+ (find_traces_1_round): Likewise.
+ (better_edge_p): Likewise.
+ (connect_traces): Likewise.
+ (duplicate_computed_gotos): Likewise.
+ (find_rarely_executed_basic_blocks_and_cr): Remove trailing spaces.
+ (fix_up_fall_thru_edges): Fix formatting.
+
+2012-09-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/46590
+ * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Do not
+ update SSA form here.
+ (canonicalize_induction_variables): Assert we do not need to
+ update SSA form.
+ (tree_unroll_loops_completely): Update SSA form here.
+ * tree-ssa-loop-manip.c (gimple_duplicate_loop_to_header_edge):
+ Do not verify loop-closed SSA form if SSA form is not up-to-date.
+
+2012-09-05 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54461
+ * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
+ not configured --with-avrlibc=no.
+ (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if not configured
+ --with-avrlibc=no.
+ * config/avr/avrlibc.h: New file.
+ * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
+ not configured --with-avrlibc=no.
+ * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
+
+2012-09-04 Teresa Johnson <tejohnson@google.com>
+
+ * gcov-io.c (gcov_write_summary): Write out non-zero histogram
+ entries to function summary along with an occupancy bit vector.
+ (gcov_read_summary): Read in the histogram entries.
+ (gcov_histo_index): New function.
+ (void gcov_histogram_merge): Ditto.
+ * gcov-io.h (gcov_type_unsigned): New type.
+ (struct gcov_bucket_type): Ditto.
+ (struct gcov_ctr_summary): Include histogram.
+ (GCOV_TAG_SUMMARY_LENGTH): Update to include histogram entries.
+ (GCOV_HISTOGRAM_SIZE): New macro.
+ (GCOV_HISTOGRAM_BITVECTOR_SIZE): Ditto.
+ * profile.c (NUM_GCOV_WORKING_SETS): Ditto.
+ (gcov_working_sets): New global variable.
+ (compute_working_sets): New function.
+ (find_working_set): Ditto.
+ (get_exec_counts): Invoke compute_working_sets.
+ * coverage.c (read_counts_file): Merge histograms, and
+ fix bug with accessing summary info for non-summable counters.
+ * basic-block.h (gcov_type_unsigned): New type.
+ (struct gcov_working_set_info): Ditto.
+ (find_working_set): Declare.
+ * gcov-dump.c (tag_summary): Dump out histogram.
+
+2012-09-04 Diego Novillo <dnovillo@google.com>
+
+ PR bootstrap/54484
+ * vec.h (vec_t::embedded_init): Move default argument value
+ to function declaration.
+
+2012-09-04 Eric Botcazou <ebotcazou@adacore.com>
+
+ * bb-reorder.c (gate_handle_reorder_blocks): Move around.
+ (rest_of_handle_reorder_blocks): Likewise.
+ (pass_reorder_blocks): Likewise.
+ (gate_handle_partition_blocks): Likewise.
+
+2012-09-04 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/54456
+ * sched-rgn.c (gate_handle_sched): Return 1 only if optimize > 0.
+
+2012-09-04 Diego Novillo <dnovillo@google.com>
+
+ PR bootstrap/54478
+ * vec.h (vec_t::alloc): Remove explicit type specification
+ in call to reserve.
+ (vec_t::copy): Likewise.
+ (vec_t::reserve): Likewise.
+ (vec_t::reserve_exact): Likewise.
+ (vec_t::safe_splice): Likewise.
+ (vec_t::safe_push): Likewise.
+ (vec_t::safe_grow): Likewise.
+ (vec_t::safe_grow_cleared): Likewise.
+ (vec_t::safe_insert): Likewise.
+
+2012-09-04 Richard Henderson <rth@redhat.com>
+
+ * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
+
+2012-09-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-pre.c (value_expressions): Make it a vector of
+ bitmaps containing expression IDs.
+ (add_to_value): Adjust.
+ (sorted_array_from_bitmap_set): Likewise.
+ (bitmap_set_replace_value): Likewise.
+ (print_value_expressions): Likewise.
+ (get_constant_for_value_id): Likewise.
+ (get_representative_for): Likewise.
+ (phi_translate_1): Likewise.
+ (bitmap_find_leader): Likewise.
+ (find_or_generate_expression): Likewise.
+ (do_regular_insertion): Likewise.
+ (init_pre): Likewise.
+ (fini_pre): Likewise.
+
+2012-09-04 Diego Novillo <dnovillo@google.com>
+
+ PR bootstrap/54479
+ * vec.h (vec_t::copy): Add cast in call to reserve_exact.
+
+2012-09-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-pre.c (add_to_exp_gen): Adjust.
+ (make_values_for_phi): Do not add to PHI_GEN for FRE.
+ (compute_avail): Stop processing after adding all defs to
+ AVAIL_OUT for FRE.
+ (init_pre): Do not allocate not needed bitmap sets for FRE.
+
+2012-09-04 Diego Novillo <dnovillo@google.com>
+
+ Rewrite VEC_* functions as member functions of vec_t.
+
+ * vec.h: Update documentation.
+ (ALONE_VEC_CHECK_INFO): Define.
+ (ALONE_VEC_CHECK_DECL): Define.
+ (ALONE_VEC_CHECK_PASS): Define.
+ (struct vec_prefix): Rename field NUM to NUM_.
+ Rename field ALLOC to ALLOC_.
+ Update all users.
+ (struct vec_t): Rename field PREFIX to PREFIX_.
+ Rename field VEC to VEC_.
+ Update all users.
+ (vec_t::length): Rename from VEC_length_1. Update all users.
+ (vec_t::empty): Rename from VEC_empty_1. Update all users.
+ (vec_t::address): Rename from VEC_address_1. Update all users.
+ (vec_address): New.
+ (vec_t::last): Rename from VEC_last_1. Update all users.
+ (vec_t::operator[]): Rename from VEC_index_1. Update all users.
+ (vec_t::iterate): Rename from VEC_iterate_1. Update all users.
+ (vec_t::embedded_size): Rename from VEC_embedded_size_1.
+ Update all users.
+ (vec_t::embedded_init): Rename from VEC_embedded_init_1.
+ Update all users.
+ (vec_t::alloc): Rename from VEC_alloc_1. Update all users.
+ (vec_t::free): Rename from VEC_free_1. Update all users.
+ (vec_t::copy): Rename from VEC_copy_1. Update all users.
+ (vec_t::space): Rename from VEC_space_1. Update all users.
+ (vec_t::reserve): Rename from VEC_reserve_1. Update all users.
+ (vec_t::reserve_exact): Rename from VEC_reserve_exact_1.
+ Update all users.
+ (vec_t::splice): Rename from VEC_splice_1. Update all users.
+ (vec_t::safe_splice): Rename from VEC_safe_splice_1. Update all users.
+ (vec_t::quick_push): Rename from VEC_quick_push_1. Update all users.
+ (vec_t::safe_push): Rename from VEC_safe_push_1. Update all users.
+ (vec_t::pop): Rename from VEC_pop_1. Update all users.
+ (vec_t::truncate): Rename from VEC_truncate_1. Update all users.
+ (vec_t::safe_grow): Rename from VEC_safe_grow_1. Update all users.
+ (vec_t::safe_grow_cleared): Rename from VEC_safe_grow_cleared_1.
+ Update all users.
+ (vec_t::replace): Rename from VEC_replace_1. Update all users.
+ (vec_t::quick_insert): Rename from VEC_quick_insert_1.
+ Update all users.
+ (vec_t::safe_insert): Rename from VEC_safe_insert_1. Update all users.
+ (vec_t::ordered_remove): Rename from VEC_ordered_remove_1.
+ Update all users.
+ (vec_t::unordered_remove): Rename from VEC_unordered_remove_1.
+ Update all users.
+ (vec_t::block_remove): Rename from VEC_block_remove_1. Update all users.
+ (vec_t::lower_bound): Rename from VEC_lower_bound_1. Update all users.
+
+2012-09-04 Steven Bosscher <steven@gcc.gnu.org>
+
+ * gimple.h (gimple_build_switch): Remove.
+ (gimple_build_switch_vec): Promote to the new gimple_build_switch.
+ (gimple_switch_default_label): Assert the default case label is
+ really a default case label.
+ (gimple_switch_set_default_label): Likewise.
+ * gimple.c (gimple_build_switch_nlabels): Make sure a default label
+ is passed in, and simplify accordingly.
+ (gimple_build_switch): Removed.
+ (gimple_build_switch_vec): Rename to gimple_build_switch.
+ * gimplify.c (gimplify_switch_expr): Update gimple_build_switch use.
+ * gimple-pretty-print.c (dump_gimple_switch): Do not accept a NULL
+ case label.
+ * stmt.c (expand_case): Simplify using the fact that every GIMPLE
+ switch must have a default case.
+ * tree-cfg.c (group_case_labels_stmt): Likewise.
+ (verify_gimple_switch): Use gimple_switch_label in verifier to get
+ the label at index 0, and verify that it is a valid default case.
+ * except.c (sjlj_emit_dispatch_table): Rewrite construction of the
+ switch for dispatching.
+ * tree-eh.c (lower_try_finally_switch): Update gimple_build_switch use.
+ (lower_eh_dispatch): Likewise.
+ * tree-vrp.c (execute_vrp): Use gimple_switch_label to get the case
+ label at index 0 before turning it into a default case label.
+ * omp-low.c (expand_omp_sections): Update gimple_build_switch use.
+ * tree-switch-conversion.c (emit_case_bit_tests): Get the default case
+ label using gimple_switch_default_label.
+ (collect_switch_conv_info): Likewise.
+ (process_switch): Likewise.
+ * doc/gimple.texi: Update documentation of gimple_build_switch.
+
+2012-09-04 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54476
+ * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with
+ SImode.
+
+2012-09-04 Bin Cheng <bin.cheng@arm.com>
+
+ PR target/45070
+ * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
+ of size less than 4 bytes by using macro ARM_NUM_INTS.
+ (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
+
+2012-09-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54458
+ * tree-ssa-threadupdate.c (thread_through_loop_header): If we
+ turn the loop into one with multiple latches mark it so.
+
+2012-09-04 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
+
+ PR target/54220
+ * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
+ define to...
+ (avr_allocate_stack_slots_for_args): ...this new static function.
+
+2012-09-04 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * config/arm/arm.c (arm_expand_builtin): Replace gen_rtx_CONST_INT
+ by GEN_INT.
+ (arm_emit_coreregs_64bit_shift): Likewise.
+
+2012-09-04 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * config/arm/arm.c (arm_evpc_neon_vext): New function.
+ (arm_expand_vec_perm_const_1): Add call to arm_evpc_neon_vext.
+
+2012-09-04 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.c (prepare_cbranch_operands): Pull out comparison
+ canonicalization code into...
+ * (sh_canonicalize_comparison): This new function.
+ * config/sh/sh-protos.h: Declare it.
+ * config/sh/sh.h: Use it in new macro CANONICALIZE_COMPARISON.
+ * config/sh/sh.md (cbranchsi4): Remove TARGET_CBRANCHDI4 check and
+ always invoke expand_cbranchsi4.
+
+2012-09-03 Andi Kleen <ak@linux.intel.com>
+
+ * tree-ssa-sccvn.c (vn_reference_fold_indirect): Initialize
+ addr_offset always.
+
+2012-09-03 Andrew Pinski <apinski@cavium.com>
+
+ PR tree-opt/53395
+ * tree-if-conv.c (constant_or_ssa_name): New function.
+ (fold_build_cond_expr): New function.
+ (predicate_scalar_phi): Use fold_build_cond_expr instead of build3.
+ (predicate_mem_writes): Likewise.
+
+2012-09-03 Marc Glisse <marc.glisse@inria.fr>
+
+ * fold-const.c (fold_ternary_loc): Constant-propagate after
+ removing dead operands.
+
+2012-09-03 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/46590
+ * tree-cfg.c (gimple_duplicate_sese_region): Don't update
+ SSA web here ...
+ * tree-ssa-loop-ch.c (copy_loop_headers): ... but here.
+
+2012-09-03 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Fix numerous typos and punctuation/grammatical
+ errors throughout the file. Re-word some awkward sentences and
+ paragraphs.
+
+2012-09-03 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54362
+ * tree-ssa-structalias.c (find_func_aliases): Handle COND_EXPR.
+
+2012-09-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_loadrelative_operand_p): New function.
+ (s390_check_qrst_address, print_operand_address): Use
+ s390_loadrelative_operand_p instead of s390_symref_operand_p.
+ (s390_check_symref_alignment): Accept pointer size alignment for
+ GOT slots.
+ (legitimize_pic_address): Use load relative on z10 or later.
+
+2012-09-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/53923
+ * valtrack.c (dead_debug_insert_temp): Drop non-reg uses
+ from the chain.
+
+2012-09-03 Joseph Myers <joseph@codesourcery.com>
+
+ * common.opt (--no-sysroot-suffix): New driver option.
+ * doc/invoke.texi (--no-sysroot-suffix): Document.
+ * gcc.c (driver_handle_option): Handle --no-sysroot-suffix as not
+ needing spec processing.
+ (main): Do not process sysroot suffixes if no_sysroot_suffix.
+
+2012-09-02 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/33135
+ * common/config/sh/sh-common.c: Update copyright years.
+ (sh_option_init_struct): Delete.
+ (TARGET_OPTION_INIT_STRUCT): Likewise.
+
+2012-09-02 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54418
+ * config/sh/sh.md (cmpgeusi_t): Remove N alternative.
+ Check operands[1] in split condition instead of operands[0].
+ Add comments.
+
+2012-09-02 Mark Kettenis <kettenis@openbsd.org>
+
+ * config.gcc (x86_64-*-openbsd*): New target.
+ * config.host (*-*-openbsd*): New target.
+ * config/openbsd.h (TARGET_C99_FUNCTIONS): Define.
+ * config/i386/openbsdelf.h: Remove some superfluous defines and
+ group things together in a more logical fashion.
+ (DBX_REGISTER_NUMBER): Provide a
+ definition that works on both 32-bit and 64-bit targets.
+ (WCHAR_TYPE_SIZE): Hardcode as 32.
+ (NO_DOLLAR_IN_LABEL): Remove undef.
+ (TARGET_DEFAULT): Remove.
+ (SET_ASM_OP): Remove.
+ (DEFAULT_PCC_STRUCT_RETURN): Undef first to prevent warning.
+ (ASM_OUTPUT_MAX_SKIP_ALIGN): Synch with x86-64.h
+ (DWARF2_UNWIND_INFO): Remove define.
+ (HAVE_ENABLE_EXECUTE_STACK): Define.
+ * config/host-openbsd.c: New file.
+ * config/t-openbsd (USER_H): Add EXTRA_HEADERS.
+ * config/x-openbsd: New file.
+
+2012-09-02 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md (*extend<mode>si2_compact_mem_disp): Pass iterated
+ mode to sh_legitimate_index_p instead of QImode.
+
+2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/54369
+ * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
+ calling dbr_schedule.
+ * config/sparc/sparc.c (sparc_reorg): Likewise.
+
+2012-09-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/54436
+ * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
+ operands[1] is CONST_INT_P, convert it to QImode before printing.
+
+2012-09-01 Andrew Pinski <apinski@cavium.com>
+
+ * simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
+ A truncate of a memory is just loading the low part of the memory.
+
+2012-09-01 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/46829
+ PR target/46843
+ * config/i386/i386.c (ix86_legitimate_combined_insn): New function.
+ (TARGET_LEGITIMATE_COMBINED_INSN): New macro.
+
+2012-09-01 Uros Bizjak <ubizjak@gmail.com>
+
+ * target.def (legitimate_combined_insn): New target hook.
+ * doc/tm.texi.in (TARGET_LEGITIMATE_COMBINED_INSN): New hook.
+ * doc/tm.texi: Regenerated.
+ * combine.c (recog_for_combine): Call targetm.legitimate_combined_insn
+ to allow targets to reject combined insn.
+ * hooks.h (hook_bool_rtx_true): New.
+ * hooks.c (hook_bool_rtx_true): Ditto.
+
+2012-08-31 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-inline-analysis.c (estimate_function_body_sizes): Allocate
+ nonconstant_names after calculate_dominance_info and
+ loop_optimizer_init.
+
+2012-08-31 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.c (arm_expand_epilogue): Remove unused variable
+ floats_from_frame.
+
+2012-08-31 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/54409
+ * ipa-inline-analysis.c (remap_predicate): Fix the offset_map
+ checking condition.
+
+2012-08-31 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-inline-analysis.c (phi_result_unknown_predicate): New function.
+ (predicate_for_phi_result): Likewise.
+ (estimate_function_body_sizes): Use the above two functions.
+
+2012-08-31 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/54394
+ * ipa-inline-analysis.c (estimate_function_body_sizes): Compute
+ dominance info and loops whenever optimizing.
+
+2012-08-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+ Richard Earnshaw <richard.earnshaw@arm.com>
+
+ PR target/54252
+ * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
+ element size. Use elem_type from the formal parameter. New parameter
+ fcode.
+ (neon_expand_args): Adjust call to neon_dereference_pointer.
+
+2012-08-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cfg.c (dump_bb_info): Print a newline if there were no edges to dump.
+
+2012-08-29 Chung-Lin Tang <cltang@codesourcery.com>
+
+ Revert:
+ * config/mips/t-linux64 (MULTILIB_OSDIRNAMES): Change to use
+ mapping style, add ../lib/mips16.
+ (MULTILIB_OPTIONS,MULTILIB_DIRNAMES): Add mips16.
+ (MULTILIB_EXCLUSIONS): Exclude mips16 when not -mabi=32.
+
+2012-08-29 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_synci
+ if TARGET_SYNCI.
+
+2012-08-29 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.opt (menable-tas): Rename to mtas.
+ * doc/invoke.texi (SH options): Likewise.
+ * config/sh/sync.md: Update comments.
+
+2012-08-29 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/iterators.md: New file.
+ * config/sh/sync.md (I124, I12, i124suffix): Delete. Replace usage
+ with new iterators QIHISI, QIHI, bw, bwl respectively throughout
+ the file.
+ * config/sh/sh.md: Include new file iterators.md.
+ (zero_extendhisi2, zero_extendqisi2): Fold into zero_extend<mode>si2.
+ (*zero_extendhisi2_compact, *zero_extendqisi2_compact): Fold into
+ *zero_extend<mode>si2_compact.
+ (*zero_extendqisi2_disp_mem, zero_extendhisi2_disp_mem): Fold into
+ *zero_extend<mode>si2_disp_mem.
+ (extendhisi2, extendqisi2): Fold into extend<mode>si2.
+ (*extendqisi2_compact_reg, *extendhisi2_compact_reg): Fold into
+ *extend<mode>si2_compact_reg.
+ (*extendqisi2_compact_mem_disp, *extendhisi2_compact_mem_disp): Fold
+ into *extend<mode>si2_compact_mem_disp.
+ (*extendqisi2_compact_snd, *extendhisi2_compact_snd): Fold into
+ *extend<mode>si2_compact_snd.
+ (*movsi_index_disp, *movhi_index_disp): Fold with iterators and rename
+ to *movsi_index_disp_load, *movhi_index_disp_load,
+ *mov<mode>_index_disp_store.
+ (*movqi_reg_reg, *movhi_reg_reg): Fold into *mov<mode>_reg_reg.
+ (*movqi_store_mem_disp04, *movhi_store_mem_disp05): Fold into
+ *mov<mode>_store_mem_disp04.
+ (*movqi_store_mem_disp12, *movhi_store_mem_disp13): Fold into
+ *mov<mode>_store_mem_disp12.
+ (*movqi_load_mem_disp, *movhi_load_mem_disp): Fold into
+ *mov<mode>_load_mem_disp04 and *mov<mode>_load_mem_disp12.
+
+2012-08-29 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-inline.h (estimate_edge_hints): Call do_estimate_edge_hints, not
+ do_estimate_edge_time.
+
+2012-08-29 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Add nomips16 asm
+ directives, remove #ifndef __mips16 guards.
+ * config/mips/t-linux64 (MULTILIB_OSDIRNAMES): Change to use
+ mapping style, add ../lib/mips16.
+ (MULTILIB_OPTIONS,MULTILIB_DIRNAMES): Add mips16.
+ (MULTILIB_EXCLUSIONS): Exclude mips16 when not -mabi=32.
+
+2012-08-28 Walter Lee <walt@tilera.com>
+ * confg/tilegx/tilegx.md: Fix code style.
+ (*zero_extendsidi_truncdisi): Fix typo.
+ * config/tilegx/tilegx.c: Fix code style.
+ (tilegx_function_profiler): Fix typo.
+
+2012-08-28 Walter Lee <walt@tilera.com>
+
+ * doc/invoke.texi: Document -mcmodel=small, -mcmodel=large.
+ * config/tilegx/tilegx.h: Include config/tilegx/tilegx-opts.h.
+ (CRT_CALL_STATIC_FUNCTION): Define.
+ * config/tilegx/predicates.md (const_last_symbolic_operand):
+ Handle UNSPEC_HW2_LAST_PCREL, UNSPEC_HW1_LAST_PLT_PCREL, and
+ UNSPEC_HW2_LAST_PLT_PCREL.
+ (const_symbolic_operand): Handle UNSPEC_HW1_PCREL,
+ UNSPEC_HW0_PLT_PCREL, and UNSPEC_HW1_PLT_PCREL.
+ * config/tilegx/tilegx.md (UNSPEC_MOV_LARGE_PCREL_STEP4): Define,
+ and renumber the constants that follow.
+ (UNSPEC_HW1_PCREL): Ditto.
+ (UNSPEC_HW2_LAST_PCREL): Ditto.
+ (UNSPEC_HW0_PLT_PCREL): Define.
+ (UNSPEC_HW1_PLT_PCREL): Define.
+ (UNSPEC_HW1_LAST_PLT_PCREL): Define.
+ (UNSPEC_HW2_LAST_PLT_PCREL): Define.
+ (mov_large_pcrel_step1): Define.
+ (mov_large_pcrel_step2): Define.
+ (mov_large_pcrel_step3): Define.
+ (mov_large_pcrel_step4): Define.
+ (mov_plt_pcrel_step1): Define.
+ (mov_plt_pcrel_step2): Define.
+ (mov_plt_pcrel_step3): Define.
+ (mov_plt_pcrel_step1_32bit): Define.
+ (mov_plt_pcrel_step2_32bit): Define.
+ (call): Handle tilegx_cmodel == CM_LARGE, CM_LARGE_PIC.
+ (call_value): Ditto.
+ * config/tilegx/tilegx.opt: Include config/tilegx/tilegx-opts.h.
+ (mcmodel): New option.
+ (enum cmodel): Define.
+ (CM_SMALL): Define.
+ (CM_LARGE): Define.
+ * config/tilegx/tilegx-opts.h: New file.
+ * config/tilegx/tilegx-protos.h (tilegx_compute_pcrel_address):
+ Declare.
+ (tilegx_compute_pcrel_plt_address): Declare.
+ * config/tilegx/tilegx.c (tilegx_option_override): Handle
+ tilegx_cmodel.
+ (tilegx_function_ok_for_sibcall): Ditto.
+ (compute_pcrel_address): Rename to tilegx_compute_pcrel_address,
+ and don't declare static. Handle tilegx_cmodel.
+ (tilegx_compute_pcrel_plt_address): Define.
+ (tilegx_legitimize_pic_address): Rename calls to
+ compute_pcrel_address.
+ (tilegx_delegitimize_address): Handle UNSPEC_HW1_PCREL,
+ UNSPEC_HW2_LAST_PCREL, UNSPEC_HW0_PLT_PCREL, UNSPEC_HW1_PLT_PCREL,
+ UNSPEC_HW1_LAST_PLT_PCREL, UNSPEC_HW2_LAST_PLT_PCREL.
+ (load_pic_register): Rename call to compute_pcrel_address.
+ (tilegx_print_operand): Handle UNSPEC_HW1_PCREL,
+ UNSPEC_HW2_LAST_PCREL, UNSPEC_HW0_PLT_PCREL, UNSPEC_HW1_PLT_PCREL,
+ UNSPEC_HW1_LAST_PLT_PCREL, UNSPEC_HW2_LAST_PLT_PCREL.
+
+2012-08-27 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * sched-deps.c (add_dependence_list_and_free): Simplify.
+ (flush_pending_list_and_free): Fix a hack that was fixing a hack. Free
+ lists when add_dependence_list_and_free doesn't free them.
+
+2012-08-27 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/46254
+ * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
+ true for TARGET_64BIT or !flag_pic.
+ * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
+ (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
+ to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
+ Add insn constraint. Conditionally emit xchg asm insns.
+ (atomic_compare_and_swap<mode>): Update calls. Check only
+ cmpxchg8b_pic_memory_operand in memory address fixup.
+ (DCASMODE): Remove.
+ (CASHMODE): Rename from DCASHMODE.
+ (doublemodesuffix): Update modes.
+ (regprefix): New mode attribute.
+
+ (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
+ <UNSPECV_CMPXCHG>: New constant.
+ (atomic_compare_and_swap<mode>_1): Rename from
+ atomic_compare_and_swap_single<mode>. Update calls and
+ unspec_volatile constants.
+ (atomic_compare_and_swap<mode>_doubleword): Rename from
+ atomic_compare_and_swap_double<mode>. Update calls and
+ unspec_volatile constants.
+
+2012-08-27 Walter Lee <walt@tilera.com>
+
+ * doc/md.texi (TILE-Gx): Fix typo.
+
+2012-08-27 Walter Lee <walt@tilera.com>
+
+ * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
+ * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
+
+2012-08-27 Walter Lee <walt@tilera.com>
+
+ * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
+ (insn_bfins): Delete.
+
+2012-08-27 Walter Lee <walt@tilera.com>
+
+ * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
+ atomic_exchange_bare<mode>,
+ atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
+ * config/tilegx/tilegx-generic.md (X1_remote): New
+ insn_reservation.
+ * config/tilegx/tilegx.md (type): Add X1_remove.
+ (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
+ insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
+ insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
+ X1_remote.
+
+2012-08-27 Andreas Schwab <schwab@linux-m68k.org>
+
+ * gdbinit.in: Fix syntax of skip command.
+
+2012-08-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_pic_call_symbol_from_set): Check for
+ SYMBOL_REF SET_SRCs.
+
+2012-08-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (vr4130_align_insns): Don't simulate
+ ghost instructions. Assert that the required instructions exist.
+
+2012-08-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.h (AVOID_CCMODE_COPIES): Update rationale for
+ definition.
+ * config/mips/mips.c (machine_function): Add next_fcc.
+ (mips_output_move): Remove handling of fcc moves.
+ (mips_allocate_fcc): New function.
+ (mips_emit_compare, mips_expand_vcondv2sf): Use it.
+ (mips_hard_regno_mode_ok_p): Restrict CCmode to ST registers.
+ Remove special case for CCmode reloads.
+ (mips_expand_builtin_compare_1): Use mips_allocate_fcc and treat
+ the result a fixed operand.
+ * config/mips/mips.md (move_type): Remove lui_movf.
+ (type, length): Remove references to it.
+ (movcc, reload_incc, reload_outcc): Delete.
+
+2012-08-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_has_long_branch_p): New function,
+ split out from...
+ (mips_expand_ghost_gp_insns): ...here. Look inside sequences.
+
+2012-08-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (r10k_safe_mem_expr_p): Use get_inner_reference.
+
+2012-08-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_rtx_costs): Add costs for CINS.
+
+2012-08-26 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_rtx_costs): Add missing COSTS_N_INSNS
+ to the size cost of multiplication.
+
+2012-08-26 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/install.texi (Specific): Clarify what needs to be added to
+ this section.
+
+2012-08-26 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/tm.texi.in (Misc): Move descriptions of NO_DOLLAR_IN_LABEL
+ and NO_DOT_IN_LABEL from here...
+ (Label Output): ...to here.
+ * doc/tm.texi: Regenerate.
+
+2012-08-26 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/invoke.texi (C++ Dialect Options): Add missing space.
+
+2012-08-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/54088
+ * jump.c (delete_related_insns): Robustify latest change.
+
+2012-08-25 Ricardo Catalinas Jiménez <jimenezrick@gmail.com>
+
+ * doc/extend.texi (__atomic Builtins): Remove space before comma.
+
+2012-08-25 Richard Sandiford <rdsandiford@googlemail.com>
+ Andrew Pinski <apinski@cavium.com>
+
+ * config/mips/mips.h (CASE_VECTOR_MODE): For not
+ TARGET_MIPS16_SHORT_JUMP_TABLES use ptr_mode.
+ (CASE_VECTOR_SHORTEN_MODE): Likewise.
+
+2012-08-25 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (FP_REG_P): Remove macro.
+ (FP_REGNO_P): Ditto.
+ (HARD_REGNO_NREGS): Use STACK_REGNO_P instead of FP_REGNO_P.
+ (HARD_REGNO_NREGS_HAS_PADDING): Ditto.
+ (ANY_FP_REGNO_P): Ditto.
+ (HARD_REGNO_RENAME_OK): Use STACK_REGNO_P.
+ * config/i386/i386.c (output_387_ffreep): Use STACK_REGNO_P
+ instead of FP_REGNO_P.
+ (ix86_hard_regno_mode_ok): Ditto.
+ * config/i386/predicates.md (fp_register_operand): Ditto.
+ (register_and_not_fp_reg_operand): Ditto.
+ * config/i386/sync.md (atomic_loaddi_fpu): Use STACK_REG_P instead
+ of FP_REG_P.
+
+ * reg-stack.c (get_true_reg): Use STACK_REG_P instead of FP_REG_P.
+
+2012-08-24 Jason Merrill <jason@redhat.com>
+
+ * print-tree.c (print_node): Don't check TREE_LANG_FLAG_*
+ on TREE_VEC or SSA_NAME.
+
+2012-08-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/54363
+ * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
+ if init is a CONSTRUCTOR.
+
+2012-08-24 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-ssa-live.c (dump_var_map): Do not dump the partition
+ map of virtual operands.
+
+2012-08-24 Yuri Rumyantsev <ysrumyan@gmail.com>
+
+ * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
+ case for Atom processor.
+
+2012-08-24 Simon Baldwin <simonb@google.com>
+
+ * dwarf2out.c (gen_producer_string): Omit command line switch if
+ CL_NO_DWARF_RECORD flag set.
+ * opts.h (CL_NO_DWARF_RECORD): New.
+ * opt-functions.awk (switch_flags): Add NoDWARFRecord.
+ * doc/options.texi: Document NoDWARFRecord option flag.
+
+2012-08-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR debug/52857
+ * dwarf2out.c (mem_loc_descriptor): Allow arg_pointer_rtx and
+ frame_pointer_rtx for based_loc_descr.
+
+2012-08-24 Martin Jambor <mjambor@suse.cz>
+
+ * predict.c (maybe_hot_frequency_p): New parameter fun. Use its decl
+ instead of current_function_decl, use profile_status_for_function and
+ ENTRY_BLOCK_PTR_FOR_FUNCTION with fun instead of their cfun variants.
+ (maybe_hot_count_p): New parameter fun, use
+ profile_status_for_function instead of its cfun_variant.
+ (maybe_hot_bb_p): New parameter fun, checking-assert it, pass it to
+ all callees.
+ (maybe_hot_edge_p): Pass cfun to maybe_hot_count_p and
+ maybe_hot_frequency_p.
+ (probably_never_executed_bb_p): New parameter fun, use its decl
+ instead of current_function_decl.
+ (optimize_bb_for_size_p): Pass cfun to maybe_hot_bb_p.
+ (rtl_profile_for_bb): Likewise.
+ (compute_function_frequency): Pass cfun to maybe_hot_bb_p and
+ probably_never_executed_bb_p.
+ * tree-ssa-operands.c (ssa_operands_active): New operator fun. Use it
+ instead of cfun.
+ (update_stmt_operands): Pass cfun as an argument of
+ ssa_operands_active.
+ (swap_tree_operands): Likewise.
+ * gimple-iterator.c (update_modified_stmt): Likewise.
+ (update_modified_stmts): Likewise.
+ * tree-flow-inline.h (delink_stmt_imm_use): Likewise.
+ * tree-ssa.c (delete_tree_ssa): Likewise.
+ * bb-reorder.c (bb_to_key): Pass cfun to probably_never_executed_bb_p.
+ (push_to_next_round_p): Likewise.
+ (find_rarely_executed_basic_blocks_and_crossing_edges ): Likewise.
+ * cfg.c: Inlude tree.h.
+ (check_bb_profile): Use profile_status_for_function,
+ EXIT_BLOCK_PTR_FOR_FUNCTION and ENTRY_BLOCK_PTR_FOR_FUNCTION with
+ DECL_STRUCT_FUNCTION (current_function_decl) instead of their cfun
+ variants.
+ (dump_bb_info): Pass DECL_STRUCT_FUNCTION (current_function_decl) to
+ maybe_hot_bb_p and probably_never_executed_bb_p.
+ * gimple-pretty-print.c (gimple_dump_bb_buff): Checking-assert that
+ DECL_STRUCT_FUNCTION (current_function_decl) is not NULL. Pass it to
+ dump_histograms_for_stmt.
+ (dump_gimple_mem_ops): Pass
+ DECL_STRUCT_FUNCTION (current_function_decl)
+ as an argument to dump_gimple_mem_ops.
+ * tree-cfg.c (dump_function_to_file): Rename parameter fn to fndecl.
+ Do not change cfun. Change and restore current_function_decl.
+ * Makefile.in (cfg.o): Include TREE_H in dependencies.
+
+2012-08-24 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/54222
+ * avr-modes.def (HA, SA, DA, TA, UTA): Adjust modes.
+ * avr/avr-fixed.md: New file.
+ * avr/avr.md: Include it.
+ (cc): Add: minus.
+ (adjust_len): Add: minus, minus64, ufract, sfract.
+ (ALL1, ALL2, ALL4, ORDERED234): New mode iterators.
+ (MOVMODE): Add: QQ, UQQ, HQ, UHQ, HA, UHA, SQ, USQ, SA, USA.
+ (MPUSH): Add: HQ, UHQ, HA, UHA, SQ, USQ, SA, USA.
+ (pushqi1, xload8_A, xload_8, movqi_insn, *reload_inqi, addqi3,
+ subqi3, ashlqi3, *ashlqi3, ashrqi3, lshrqi3, *lshrqi3, *cmpqi,
+ cbranchqi4, *cpse.eq): Generalize to handle all 8-bit modes in ALL1.
+ (*movhi, reload_inhi, addhi3, *addhi3, addhi3_clobber, subhi3,
+ ashlhi3, *ashlhi3_const, ashrhi3, *ashirhi3_const, lshrhi3,
+ *lshrhi3_const, *cmphi, cbranchhi4): Generalize to handle all
+ 16-bit modes in ALL2.
+ (subhi3, casesi, strlenhi): Add clobber when expanding minus:HI.
+ (*movsi, *reload_insi, addsi3, subsi3, ashlsi3, *ashlsi3_const,
+ ashrsi3, *ashrhi3_const, *ashrsi3_const, lshrsi3, *lshrsi3_const,
+ *reversed_tstsi, *cmpsi, cbranchsi4): Generalize to handle all
+ 32-bit modes in ALL4.
+ * avr-dimode.md (ALL8): New mode iterator.
+ (adddi3, adddi3_insn, adddi3_const_insn, subdi3, subdi3_insn,
+ subdi3_const_insn, cbranchdi4, compare_di2,
+ compare_const_di2, ashrdi3, lshrdi3, rotldi3, ashldi3_insn,
+ ashrdi3_insn, lshrdi3_insn, rotldi3_insn): Generalize to handle
+ all 64-bit modes in ALL8.
+ * config/avr/avr-protos.h (avr_to_int_mode): New prototype.
+ (avr_out_fract, avr_out_minus, avr_out_minus64): New prototypes.
+ * config/avr/avr.c (TARGET_FIXED_POINT_SUPPORTED_P): Define to...
+ (avr_fixed_point_supported_p): ...this new static function.
+ (TARGET_BUILD_BUILTIN_VA_LIST): Define to...
+ (avr_build_builtin_va_list): ...this new static function.
+ (avr_adjust_type_node): New static function.
+ (avr_scalar_mode_supported_p): Allow if ALL_FIXED_POINT_MODE_P.
+ (avr_builtin_setjmp_frame_value): Use gen_subhi3 and return new
+ pseudo instead of gen_rtx_MINUS.
+ (avr_print_operand, avr_operand_rtx_cost): Handle: CONST_FIXED.
+ (notice_update_cc): Handle: CC_MINUS.
+ (output_movqi): Generalize to handle respective fixed-point modes.
+ (output_movhi, output_movsisf, avr_2word_insn_p): Ditto.
+ (avr_out_compare, avr_out_plus_1): Also handle fixed-point modes.
+ (avr_assemble_integer): Ditto.
+ (output_reload_in_const, output_reload_insisf): Ditto.
+ (avr_compare_pattern): Skip all modes > 4 bytes.
+ (avr_2word_insn_p): Skip movuqq_insn, movqq_insn.
+ (avr_out_fract, avr_out_minus, avr_out_minus64): New functions.
+ (avr_to_int_mode): New function.
+ (adjust_insn_length): Handle: ADJUST_LEN_SFRACT,
+ ADJUST_LEN_UFRACT, ADJUST_LEN_MINUS, ADJUST_LEN_MINUS64.
+ * config/avr/predicates.md (const0_operand): Allow const_fixed.
+ (const_operand, const_or_immediate_operand): New.
+ (nonmemory_or_const_operand): New.
+ * config/avr/constraints.md (Ynn, Y00, Y01, Y02, Ym1, Ym2, YIJ):
+ New constraints.
+ * config/avr/avr.h (LONG_LONG_ACCUM_TYPE_SIZE): Define.
+
+2012-08-23 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * alias.c (rtx_equal_for_memref_p): Convert constant cases.
+ * combine.c (find_single_use_1, mark_used_regs_combine): Convert
+ to CASE_CONST_ANY.
+ * cse.c (exp_equiv_p, canon_reg, fold_rtx, cse_process_notes_1,
+ count_reg_usage): Convert constant cases.
+ * cselib.c (cselib_expand_value_rtx_1): Convert to CASE_CONST_ANY.
+ (cselib_subst_to_values): Convert constant cases.
+ * df-scan.c (df_uses_record): Ditto.
+ * dse.c (const_or_frame_p): Convert case statements to explicit
+ if-then-else using mode classes.
+ * emit-rtl.c (verify_rtx_sharing, copy_insn_1): Convert constant cases.
+ * explow.c (convert_memory_address_addr_space): Ditto.
+ * gcse.c (want_to_gcse_p, oprs_unchanged_p, compute_transp): Ditto.
+ * genattrtab.c (attr_copy_rtx, clear_struct_flag): Ditto.
+ * ira.c (equiv_init_varies_p, contains_replace_regs,
+ memref_referenced_p, rtx_moveable_p): Ditto.
+ * jump.c (mark_jump_label_1): Remove constant cases.
+ (rtx_renumbered_equal_p): Convert to CASE_CONST_UNIQUE.
+ * loop-invariant.c (check_maybe_invariant, hash_invariant_expr_1,
+ invariant_expr_equal_p): Convert to CASE_CONST_ANY.
+ * postreload-gcse.c (oprs_unchanged_p): Convert constant cases.
+ * reginfo.c (reg_scan_mark_refs): Ditto.
+ * regrename.c (scan_rtx): Ditto.
+ * reload1.c (eliminate_regs_1, elimination_effects,
+ scan_paradoxical_subregs): Ditto.
+ * reload.c (operands_match_p, subst_reg_equivs): Ditto.
+ * resource.c (mark_referenced_resources, mark_set_resources): Ditto.
+ * rtlanal.c (rtx_unstable_p, rtx_varies_p, count_occurrences)
+ (reg_mentioned_p, modified_between_p, modified_in_p)
+ (volatile_insn_p, volatile_refs_p, side_effects_p, may_trap_p_1,
+ inequality_comparisons_p, computed_jump_p_1): Ditto.
+ * rtl.c (copy_rtx, rtx_equal_p_cb, rtx_equal_p): Ditto.
+ * sched-deps.c (sched_analyze_2): Ditto.
+ * valtrack.c (cleanup_auto_inc_dec): Ditto.
+ * rtl.h: (CASE_CONST_SCALAR_INT, CASE_CONST_UNIQUE,
+ CASE_CONST_ANY): New macros.
+
+2012-08-23 Julian Brown <julian@codesourcery.com>
+ Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/mips.md
+ (UNSPEC_CASESI_DISPATCH): New.
+ (MIPS16_T_REGNUM): New constant.
+ (tablejump): Don't use for MIPS16_SHORT_JUMP_TABLES.
+ (casesi): New.
+ (casesi_internal_mips16_<mode>): New.
+ * config/mips/mips.c (mips16_split_long_branches): Adjust test
+ to ignore casesi jump tables.
+ * config/mips/mips.h (TARGET_MIPS16_SHORT_JUMP_TABLES): Update
+ comment.
+ (CASE_VECTOR_MODE): Use SImode unconditionally.
+ (CASE_VECTOR_SHORTEN_MODE): Define.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Output word-sized addr_diff_elts
+ when necessary for MIPS16_SHORT_JUMP_TABLES.
+
+2012-08-23 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_density_test): Free loop body.
+
+2012-08-23 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR driver/54335
+ * doc/invoke.texi: Add -da and remove -dm.
+
+2012-08-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-stmts.c (vect_finish_stmt_generation): Update
+ virtual SSA form.
+
+2012-08-23 Jakub Jelinek <jakub@redhat.com>
+
+ * tree.c (copy_node_stat): Clear DECL_STRUCT_FUNCTION.
+
+2012-08-23 Mingjie Xing <mingjie.xing@gmail.com>
+
+ * doc/gty.texi: Fix typo.
+
+2012-08-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-loop-manip.c (add_exit_phis_var): Allow virtual operands.
+ (find_uses_to_rename_use): Likewise.
+ (find_uses_to_rename_bb): Likewise.
+ (find_uses_to_rename_stmt): Walk over all operands.
+
+2012-08-22 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/predicates (p27_rshift_count_operand,
+ not_p27_rshift_count_operand): New predicates.
+ * config/sh/sh.c (sh_ashlsi_clobbers_t_reg_p,
+ sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p): Handle special
+ case when shift amount is 31.
+ (gen_ashift): Emit gen_shlr instead of gen_lshrsi3_m.
+ * config/sh/sh.md (ashlsi3_d): Set type to 'dyn_shift' instead
+ of 'arith'.
+ (ashlsi_c): Rename to shll. Adapt calls to gen_ashlsi_c throughout
+ the file.
+ (lshrsi3): Remove clobber from expander. Use shift_count_operand
+ instead of nonmemory_operand predicate for second operand. Add
+ handling of case lshrsi3_n_clobbers_t.
+ (lshrsi3_k): Use p27_rshift_count_operand for second operand.
+ (lshrsi3_d): Make insn_and_split. Split dynamic shift to constant
+ shift sequences if beneficial.
+ (lshrsi3_n): Make insn_and_split. Split constant shift sequence to
+ dynamic shift if beneficial.
+ (lshrsi3_n_clobbers_t): New insn_and_split.
+ (lshrsi3_m): Delete.
+
+2012-08-22 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tracer.c (mark_bb_seen): Use SBITMAP_SIZE.
+
+ * alias.c (MAX_ALIAS_LOOP_PASSES): Update comment with rationale,
+ or rather a lack thereof.
+ (init_alias_analysis): Propagate the latest information across
+ the CFG in topological order to propagate as far as possible in
+ each iteration. Ignore debug insns.
+
+2012-08-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * doc/invoke.texi: Document -mlong-double-64/-mlong-double-80.
+ * config/i386/i386.c (flag_opts): Add -mlong-double-64.
+ (TARGET_HAS_BIONIC): Default long double to 64-bit for Bionic.
+ * config/i386/i386.h (LONG_DOUBLE_TYPE_SIZE): Use 64 if
+ TARGET_LONG_DOUBLE_64 is true.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New macro.
+ (WIDEST_HARDWARE_FP_SIZE): Defined to 80.
+ * config/i386/i386.opt (mlong-double-80): New option.
+ (mlong-double-64): Likewise.
+ * config/i386/i386-c.c (ix86_target_macros): Define
+ __LONG_DOUBLE_64__ for TARGET_LONG_DOUBLE_64.
+
+2012-08-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/54347
+ * config/i386/i386.c (ix86_split_to_parts): Replace
+ REAL_VALUE_TO_TARGET_LONG_DOUBLE with real_to_target.
+
+2012-08-22 Richard Guenther <rguenther@suse.de>
+
+ * tree-vectorizer.c (vectorize_loops): Do not call
+ mark_virtual_operands_for_renaming.
+ * tree-vect-slp.c (vect_slp_transform_bb): Likewise.
+ Do not update SSA form here.
+
+2012-08-22 Dodji Seketeli <dodji@redhat.com>
+
+ * tree.h (TREE_NOTHROW): Use the base.nothrow_flag.
+
+2012-08-22 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/46590
+ * tree-ssa-alias.h (get_continuation_for_phi): Add alias query
+ counter output argument.
+ (walk_non_aliased_vuses): Add alias query counter argument
+ to the walker callback.
+ * tree-ssa-alias.c (maybe_skip_until): Add alias query counter
+ output argument and count alias queries.
+ (get_continuation_for_phi_1): Likewise.
+ (get_continuation_for_phi): Likewise.
+ (walk_non_aliased_vuses): Add alias query counter argument
+ to the walker callback and allow it to abort the walk by
+ returning -1.
+ * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
+ * tree-ssa-sccvn.c (vn_reference_lookup_2): Add alias query
+ counter parmeter, abort walk if that is bigger than
+ --param sccvn-max-alias-queries-per-access.
+ * params.def (sccvn-max-alias-queries-per-access): New param.
+ * doc/invoke.texi (sccvn-max-alias-queries-per-access): Document.
+
+2012-08-22 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-loop-ch.c (copy_loop_headers): Remove redundant checking.
+ * tree-into-ssa.c (initialize_flags_in_bb): Use gcc_checking_assert
+ instead of gcc_assert.
+ (mark_block_for_update): Likewise.
+ (add_new_name_mapping): Likewise.
+ (mark_def_sites): Likewise.
+ (insert_phi_nodes_for): Likewise.
+ (rewrite_debug_stmt_uses): Likewise.
+ (rewrite_stmt): Likewise.
+ (maybe_register_def): Likewise.
+ (rewrite_update_phi_arguments): Likewise.
+ (rewrite_update_enter_block): Likewise.
+ (mark_def_interesting): Likewise.
+ (prepare_def_site_for): Likewise.
+ (insert_updated_phi_nodes_for): Likewise.
+
+2012-08-22 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-vect-loop.c (vect_transform_loop): Initialize
+ check_profitability to false.
+
+ * tree-predcom.c (try_combine_chains): Free the worklist vector
+ at the end.
+
+2012-08-22 Marc Glisse <marc.glisse@inria.fr>
+
+ PR tree-optimization/54317
+ * tree-vrp.c (extract_range_from_binary_expr_1): Test for
+ double_int overflow.
+ Remove dead tests.
+
+2012-08-22 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-vrp.c (find_assert_locations): Skip also edges
+ from the entry block.
+
+ * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Call
+ free_stmt_vec_info on orig_cond after gsi_removing it.
+ * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Always
+ free body_cost_vec vector.
+ (vect_analyze_data_refs): If gather is unsuccessful,
+ free_data_ref (dr).
+ * tree-inline.c (tree_function_versioning): Free
+ old_transforms_to_apply vector.
+
+2012-08-22 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-ssa-coalesce.c (struct ssa_conflicts_d): Make contents
+ of this a VEC and add a bitmap obstack.
+ (ssa_conflicts_new): Allocate the obstack and grow the VEC cleared
+ to the right size.
+ (ssa_conflicts_delete): Free the VEC and release the obstack.
+ (ssa_conflicts_test_p, ssa_conflicts_test_p, ssa_conflicts_add_one,
+ ssa_conflicts_merge, ssa_conflicts_dump): Update for above changes.
+ (truct live_track_d): Add another bitmap obstack here.
+ (new_live_track): Initialize it and use it for all bitmaps.
+ (delete_live_track): Don't free the bitmaps one at a time, just
+ release the obstack.
+ (create_outofssa_var_map): Fix to conform to GCC code style rules.
+
+2012-08-21 Nathan Froyd <froydnj@gcc.gnu.org>
+
+ * config/m32c/constraints.md: New file.
+ * config/m32c/t-m32c (MD_FILES): Add constraints.
+ * config/m32c/m32c-protos.h (m32c_const_ok_for_constraint_p): Delete.
+ (m32c_extra_address_constraint, m32c_extra_memory_constraint): Delete.
+ (m32c_reg_class_from_constraint): Delete.
+ (m32c_extra_constraint_p, m32c_extra_constraint_p2): Delete.
+ (m32c_matches_constraint_p): Declare.
+ * config/m32c/m32c.h (CONSTRAINT_LEN): Delete.
+ (REG_CLASS_FROM_CONSTRAINT): Delete.
+ (CONST_OK_FOR_CONSTRAINT_P): Delete.
+ (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Delete.
+ (EXTRA_CONSTRAINT_STR): Delete.
+ (EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT): Delete.
+ * config/m32c/m32c.c: Include tm-constrs.h
+ (m32c_reg_class_from_constraint): Delete.
+ (m32c_const_ok_for_constraint_p): Delete.
+ (m32c_extra_constraint_p2): Rename to...
+ (m32c_matches_constraint_p): ...this. Make it return bool. Tweak
+ formatting.
+ (m32c_extra_constraint_p): Delete.
+ (m32c_extra_address_constraint, m32c_extra_memory_constraint): Delete.
+ (m32c_split_move): Use satisfies_constraint_Ss.
+ * config/m32c/predicates.md (memsym_operand): Use
+ satisfies_constraint_Si.
+ (memimmed_operand): Use satisfies_constraint_Sp.
+ (m32c_psi_scale, m32c_1bit8_operand): Use satisfies_constraint_Ilb.
+ (m32c_1bit16_operand): Use satisfies_constraint_Ilw.
+ (m32c_1mask8_operand): Use satisfies_constraint_ImB.
+ (m32c_1mask16_operand): Use satisfies_constraint_Imw.
+
+2012-08-21 Nathan Froyd <froydnj@gcc.gnu.org>
+
+ * config/mep/mep.h (REG_CLASS_FROM_CONSTRAINT): Delete.
+ (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
+ (CONSTRAINT_LEN, EXTRA_CONSTRAINT): Delete.
+ * config/mep/mep.c (mep_reg_class_from_constraint): Delete.
+ (mep_const_ok_for_letter_p, mep_extra_constraint): Delete.
+ * config/mep/mep-protos.h (mep_reg_class_from_constraint): Delete.
+ (mep_const_ok_for_letter_p, mep_extra_constraint): Delete.
+
+2012-08-21 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md (cmpeqdi_t, cmpgtdi_t, cmpgedi_t, cmpgeudi_t,
+ cmpgtudi_t, *movsicc_t_false, *movsicc_t_true, divsi_inv20, negsi_cond,
+ truncdihi2, ic_invalidate_line_i, ic_invalidate_line_sh4a,
+ ic_invalidate_line_media, movdf_i4, calli_pcrel, call_valuei,
+ call_valuei_pcrel, sibcalli_pcrel, sibcall_compact,
+ sibcall_valuei_pcrel, sibcall_value_compact, casesi_worker_1,
+ casesi_worker_2, bandreg_m2a, borreg_m2a, bxorreg_m2a, sp_switch_1,
+ sp_switch_2, stack_protect_set_si, stack_protect_set_si_media,
+ stack_protect_set_di_media, stack_protect_test_si,
+ stack_protect_test_si_media, stack_protect_test_di_media): Convert to
+ multi-line asm output strings.
+ (divsi_inv_qitable, divsi_inv_hitable): Use single-alternative asm
+ output.
+ (*andsi3_bclr, rotldi3_mextr, rotrdi3_mextr, calli,
+ call_valuei_tbr_rel, movml_push_banked, movml_pop_banked, bclr_m2a,
+ bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a, bldsign_m2a,
+ bld_reg, *bld_regqi, band_m2a, bor_m2a, bxor_m2a, mextr_rl, *mextr_lr):
+ Use tab char instead of '\\t'.
+ (iordi3): Use braced string.
+ (*movsi_pop): Use tab chars instead of spaces.
+
+2012-08-21 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/39423
+ * config/sh/sh.md (*movhi_index_disp): Add support for SH2A
+ movu.w insn.
+
+2012-08-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/54332
+ * df-scan.c (df_bb_verify): Restore df_free_collection_rec call
+ inside the insn traversal loop.
+
+ * vec.h (vec_reserve): Remove the stack allocation check.
+
+2012-08-21 Marc Glisse <marc.glisse@inria.fr>
+
+ * fold-const.c (fold_ternary_loc): Detect identity permutations.
+ Canonicalize permutations more.
+ * tree-ssa-forwprop.c (is_combined_permutation_identity): New function.
+ (simplify_permutation): Likewise.
+ (ssa_forward_propagate_and_combine): Call it.
+
+2012-08-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
+ the affine expansion cache.
+ * tree-ssa-dom.c (free_expr_hash_elt_contents): New function,
+ split out from ...
+ (free_expr_hash_elt): ... this one.
+ (record_cond): Properly free a not needed hashtable element.
+ (lookup_avail_expr): Likewise.
+ * tree-into-ssa.c (init_ssa_renamer): Specify a free function
+ for the var_infos hashtable.
+ (update_ssa): Likewise.
+
+2012-08-21 Richard Guenther <rguenther@suse.de>
+
+ * alloc-pool.c (pool_alloc): Fix valgrind annotation.
+ * tree.h: Fix typo and complete flags documentation.
+
+2012-08-21 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (struct tree_base): Add union to make it possible to
+ re-use the upper 4 bytes for tree codes that do not need as
+ many flags as others. Move visited and default_def_flag to
+ common bits section in exchange for saturating_flag and
+ unsigned_flag. Add SSA name version and tree vec length
+ fields here.
+ (struct tree_vec): Remove length field here.
+ (struct tree_ssa_name): Remove version field here.
+
+2012-08-20 Jan Hubicka <jh@suse.cz>
+
+ PR fortran/48636
+ * ipa-inline.c (want_inline_small_function_p): Take loop_iterations
+ hint.
+ (edge_badness): Likewise.
+ * ipa-inline.h (inline_hints_vals): Add INLINE_HINT_loop_iterations.
+ (inline_summary): Add loop_iterations.
+ * ipa-inline-analysis.c: Include tree-scalar-evolution.h.
+ (dump_inline_hints): Dump loop_iterations.
+ (reset_inline_summary): Free loop_iterations.
+ (inline_node_duplication_hook): Update loop_iterations.
+ (dump_inline_summary): Dump loop_iterations.
+ (will_be_nonconstant_expr_predicate): New function.
+ (estimate_function_body_sizes): Analyze loops.
+ (estimate_node_size_and_time): Set hint loop_iterations.
+ (inline_merge_summary): Merge loop iterations.
+ (inline_read_section): Stream in loop_iterations.
+ (inline_write_summary): Stream out loop_iterations.
+
+2012-08-20 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/sh.md (rotcr, *rotcr, shar, shlr): New insns and splits.
+ (ashrdi3_k, lshrdi3_k): Rewrite as insn_and_split.
+ * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p): New function.
+ * config/sh/sh-protos.h (sh_lshrsi_clobbers_t_reg_p): Declare it.
+
+2012-08-20 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md (*cset_zero): New insns.
+
+2012-08-20 Mark Wielaard <mjw@redhat.com>
+
+ * dwarf2out.h (enum dw_val_class): Add dw_val_class_high_pc.
+ * dwarf2out.c (dw_val_equal_p): Handle dw_val_class_high_pc.
+ (add_AT_low_high_pc): New function.
+ (AT_lbl): Handle dw_val_class_high_pc.
+ (print_die): Likewise.
+ (attr_checksum): Likewise.
+ (attr_checksum_ordered): Likewise.
+ (same_dw_val_p): Likewise.
+ (size_of_die): Likewise.
+ (value_format): Likewise.
+ (output_die): Likewise.
+ (gen_subprogram_die): Use add_AT_low_high_pc.
+ (add_high_low_attributes): Likewise.
+ (dwarf2out_finish): Likewise.
+
+2012-08-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/54294
+ * fwprop.c (all_uses_available_at): Ignore debug insns in between
+ def_insn and target_insn when checking whether the shortcut is
+ possible.
+
+2012-08-20 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.h (MAX_FIXED_MODE_SIZE): Define.
+
+2012-08-20 Patrick Marlier <patrick.marlier@gmail.com>
+
+ PR middle-end/53992
+ * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
+
+2012-08-20 Richard Earnshaw <rearnsha@arm.com>
+
+ PR tree-ssa/54295
+ * tree-ssa-math-opts.c (is_widening_mult_rhs_p): Delete rhs_code
+ declaration and setter.
+
+2012-08-20 Richard Earnshaw <rearnsha@arm.com>
+
+ PR tree-ssa/54295
+ * tree-ssa-math-opts.c (widening_mult_conversion_strippable_p):
+ New function.
+ (is_widening_mult_rhs_p): Use it.
+
+2012-08-20 Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac (ffs): Check for declaration.
+ * configure, config.in: Regenerate.
+
+2012-08-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (register_new_name_mapping): Remove.
+ * tree-into-ssa.c (register_new_name_mapping): Likewise.
+ (add_new_name_mapping): Do not push/pop timevar here.
+ (create_new_def_for): Instead do it here. Initialize
+ update-ssa here, handle a NULL def.
+ * tree-vrp.c (build_assert_expr_for): Use create_new_def_for.
+
+2012-08-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54327
+ * gimple-fold.c (get_maxval_strlen): Do not walk use-def chains
+ if the use is registered for SSA update.
+
+2012-08-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/54321
+ * tree-ssa-forwprop.c (simplify_builtin_call): Pass 0 instead of 1
+ as second argument to tree_low_cst call on val2.
+
+2012-08-20 Richard Guenther <rguenther@suse.de>
+
+ * gimple.h (gimple_statement_base): Annotate with GTY chain_next.
+
+2012-08-20 Richard Guenther <rguenther@suse.de>
+
+ PR bootstrap/54326
+ * genoutput.c (note_constraint): Properly use CONST_CAST.
+
+2012-08-19 Nick Clifton <nickc@redhat.com>
+
+ PR target/54306
+ * config/arm/mmintrin.h: Remove spurious #endif.
+
+2012-08-18 Jan-Benedict Glaw <jbglaw@lug-owl.de>
+
+ * config/avr/avr-log.c (avr_log_vadump): Properly use
+ int-promoted enum values.
+ * config/avr/avr.h (struct mcu_type_s): Change `arch' from
+ int to enum avr_arch.
+ * config/avr/gen-avr-mmcu-texi.c (main): Use correct initializer.
+
+2012-08-18 Jan Hubicka <jh@suse.cz>
+
+ PR lto/45375
+ * ipa-inline.c (want_inline_small_function_p): Bypass
+ inline limits for hinted functions.
+ (edge_badness): Dump hints; decrease badness for hinted funcitons.
+ * ipa-inline.h (enum inline_hints_vals): New enum.
+ (inline_hints): New type.
+ (edge_growth_cache_entry): Add hints.
+ (dump_inline_summary): Update.
+ (dump_inline_hints): Declare.
+ (do_estimate_edge_hints): Declare.
+ (estimate_edge_hints): New inline function.
+ (reset_edge_growth_cache): Update.
+ * predict.c (cgraph_maybe_hot_edge_p): Do not ice on indirect edges.
+ * ipa-inline-analysis.c (dump_inline_hints): New function.
+ (estimate_edge_devirt_benefit): Return true when function should be
+ hinted.
+ (estimate_calls_size_and_time): New hints argument; set it when
+ devritualization happens.
+ (estimate_node_size_and_time): New hints argument.
+ (do_estimate_edge_time): Cache hints.
+ (do_estimate_edge_growth): Update.
+ (do_estimate_edge_hints): New function
+
+2012-08-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/53823
+ * expmed.c (expand_mult): Skip synth_mult for negative coefficients
+ if the mode is larger than a wide int and it is too costly to multiply
+ by a positive multiplier and negate the result.
+
+2012-08-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * sparseset.c (sparseset_alloc): Use non-clearing allocation. Tell
+ valgrind not to worry about reading from unitialized memory.
+
+2012-08-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/54313
+ * dse.c (dse_step7): Don't free kill_on_calls bitmap, it is
+ freed when its obstack is release.
+
+2012-08-18 Andrew Pinski <pinskia@gmail.com>
+
+ * alloc-pool.c (pool_alloc): Add valgrind markers.
+ (pool_free): Likewise.
+
+2012-08-17 Walter Lee <walt@tilera.com>
+
+ * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
+ (FEEDBACK_ENTER): Define.
+ (FEEDBACK_REENTER): Define.
+ (FEEDBACK_ENTRY): Define.
+ * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
+ (FEEDBACK_ENTER): Define.
+ (FEEDBACK_REENTER): Define.
+ (FEEDBACK_ENTRY): Define.
+
+2012-08-17 H.J. Lu <hongjiu.lu@intel.com>
+ Gary Funck <gary@intrepid.com>
+
+ PR target/20020
+ * config/i386/i386.c (ix86_member_type_forces_blk): New function.
+ (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
+ * config/i386/i386.h (MAX_FIXED_MODE_SIZE): New macro.
+
+2012-08-17 Marc Glisse <marc.glisse@inria.fr>
+
+ * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
+ a concatenation.
+
+2012-08-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ * stor-layout.c (compute_record_mode): Replace
+ MEMBER_TYPE_FORCES_BLK with targetm.member_type_forces_blk.
+ (layout_type): Likewise.
+ * system.h: Poison MEMBER_TYPE_FORCES_BLK.
+ * target.def (member_type_forces_blk): New target hook.
+ * targhooks.c (default_member_type_forces_blk): New.
+ * targhooks.h (default_member_type_forces_blk): Likewise.
+ * doc/tm.texi.in (MEMBER_TYPE_FORCES_BLK): Removed.
+ (TARGET_MEMBER_TYPE_FORCES_BLK): New hook.
+ * doc/tm.texi: Regenerated.
+ * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Removed.
+ * config/ia64/ia64.c (ia64_member_type_forces_blk): New function.
+ (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
+ * config/rs6000/rs6000.c (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
+ (rs6000_member_type_forces_blk): New function.
+ * config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Removed.
+ * config/xtensa/xtensa.c (xtensa_member_type_forces_blk): New function.
+ (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
+ * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Removed.
+
+2012-08-17 Diego Novillo <dnovillo@google.com>
+
+ PR bootstrap/54281
+ * configure.ac: Add libintl.h to AC_CHECK_HEADERS list.
+ * config.in: Regenerate.
+ * configure: Regenerate.
+ * intl.h: Always include libintl.h if HAVE_LIBINTL_H is set.
+
+2012-08-17 Richard Guenther <rguenther@suse.de>
+
+ * bitmap.h (struct bitmap_element_def): GTY annotate next/prev.
+ (struct bitmap_head_def): GTY skip current field.
+
+2012-08-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/54146
+ * tree-ssa-loop-im.c (lim_bitmap_obstack): New bitmap_obstack.
+ (memref_free): Don't free the bitmaps individually here.
+ (mem_ref_alloc): Allocate the bitmaps on the new bitmap obstack.
+ (analyze_memory_references): Likewise.
+ (tree_ssa_lim_initialize): Initialize the new bitmap obstack.
+ (tree_ssa_lim_finalize): Release it.
+ * dse.c (dse_bitmap_obstack): New bitmap obstack.
+ (dse_obstack): New obstack.
+ (get_group_info): Allocate the bitmaps on the new bitmap obstack.
+ (dse_step0): Allocate the scratch bitmap on reg_obstack. Initialize
+ the new bitmap obstack and normal obstack. Use XNEWVEC for bb_table.
+ (record_store): Allocate regs_set on reg_obstack.
+ (dse_step1): Allocate regs_live on reg_obstack.
+ (dse_step2_init): Allocate offset_map_n and offset_map_p on the new
+ obstack.
+ (dse_step3_scan): Allocate bitmaps on the new bitmap obstack.
+ (dse_step3): Likewise.
+ (dse_confluence_0): Likewise.
+ (dse_confluence_n): Likewise.
+ (dse_transfer_function): Likewise.
+ (dse_step7): Destroy the new obstacks, and everything allocated on
+ them, in one big sweep.
+ (rest_of_handle_dse): Update.
+ * cfgexpand.c (stack_var_bitmap_obstack): New bitmap obstack.
+ (add_stack_var_conflict): Allocate bitmaps on it.
+ (add_scope_conflicts_1): Likewise.
+ (add_scope_conflicts): Likewise.
+ (update_alias_info_with_stack_vars): Likewise.
+ (init_vars_expansion): Move TREE_USED fiddling expand_used_vars.
+ Initialize the new bitmap obstack.
+ (fini_vars_expansion): Release it.
+ (estimated_stack_frame_size): Use init_vars_expansion to set things up
+ and always clean up at the end.
+ (expand_used_vars): Do the TREE_USED trickery here. Always call
+ fini_vars_expansion.
+ * tree-ssa-live.h (struct tree_live_info_d): Make livein and liveout
+ arrays of bitmap_head to avoid one indirection per bitmap access.
+ (live_on_entry, live_on_exit, live_var_map, live_merge_and_clear,
+ make_live_on_entry): Update.
+ * tree-ssa-live.c (partition_view_bitmap): Don't double-free 'used'.
+ (liveness_bitmap_obstack): New bitmap obstack.
+ (remove_unused_locals): Use it to allocate all bitmaps on. Update
+ for livein/liveout changes in tree-ssa-live.h.
+ (delete_tree_live_info): Release the bitmap obstack.
+ (loe_visit_block, live_worklist, set_var_live_on_entry,
+ calculate_live_on_exit, dump_live_info): Update.
+ (calculate_live_ranges): Initialize the bitmap.
+ * tree-ssa-ter.c (ter_bitmap_obstack): New bitmap obstack.
+ (new_temp_expr_table): Allocate bitmap on it.
+ (make_dependent_on_partition, add_to_partition_kill_list,
+ add_dependence, process_replaceable): Likewise.
+ (find_replaceable_exprs): Initialize and release the new obstack here.
+ * df-problems.c (df_lr_add_problem): Allocate persistent bitmap
+ for out_of_date_transfer_functions on df_bitmap_obstack.
+ (df_live_add_problem): Likewise.
+ (df_chain_add_problem): Likewise.
+ (df_word_lr_add_problem): Likewise.
+
+2012-08-17 Nick Clifton <nickc@redhat.com>
+
+ * config/fr30/fr30.md (cbranchsi4): Remove mode from comparison.
+ (branch_true): Likewise.
+ (branch_false): Likewise.
+
+ * config/mcore/mcore.md (cbranchsi4): Remove mode from comparison.
+
+ * config/iq2000/iq2000.md (cbranchsi4): Remove mode from
+ comparison and label.
+ (branch_zero): Likewise.
+ (branch_zero_inverted): Likewise.
+ (branch_equality): Likewise.
+ (branch_equality_inverted): Likewise.
+ (extend-and-compare): Disable until reload issues can be resolved.
+ * config/iq2000/iq2000.c (gen_conditional_branch): Use VOIDmode
+ for comparison.
+ (iq2000_function_arg_advance): Remove CONST_CAST2.
+
+ * config/mep/t-mep (mep-pragma.o): Use $(COMPILER) to compile
+ mep-pragma.c.
+
+2012-08-17 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/t-avr (gen-avr-mmcu-texi): Use $(CC) to compile
+ gen-avr-mmcu-texi.c.
+
+2012-08-17 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (arm_addsi3): New variant for Thumb2 16-bit ADD instruction.
+ * arm.c (thumb2_reorg): Don't convert an ADD instruction that's
+ already 16 bits.
+
+2012-08-17 Richard Guenther <rguenther@suse.de>
+
+ * hash-table.h (class hash_table): Use a descriptor template
+ argument instead of decomposed element type and support functions.
+ (struct pointer_hash): New generic typed pointer-hash.
+ (struct typed_free_remove, struct typed_noop_remove): Generic
+ hash_table support pieces.
+ * coverage.c (struct counts_entry): Add hash_table support members.
+ * tree-ssa-ccp.c (gimple_htab): Use pointer_hash.
+ * tree-ssa-coalesce.c (struct ssa_name_var_hash): New generic
+ SSA name by SSA_NAME_VAR hash.
+ (coalesce_ssa_name): Use it.
+ * tree-ssa-pre.c (struct pre_expr_d): Add hash_table support.
+ (expression_to_id): Adjust.
+ (struct expr_pred_trans_d): Add hash_table support.
+ (phi_translate_table): Adjust.
+ (phi_trans_lookup): Likewise.
+ (phi_trans_add): Likewise.
+ (do_regular_insertion): Likewise.
+ * tree-ssa-tail-merge.c (struct same_succ_def): Add hash_table support.
+ (same_succ_htab): Adjust.
+ (find_same_succ_bb): Likewise.
+ (find_same_succ): Likewise.
+ (update_worklist): Likewise.
+ * tree-ssa-threadupdate.c (struct redirection_data): Add hash_table
+ support.
+ (redirection_data): Adjust.
+
+2012-08-17 Richard Guenther <rguenther@suse.de>
+
+ * params.def (integer-share-limit): Decrease from 256 to 251,
+ add rationale.
+
+2012-08-17 Richard Guenther <rguenther@suse.de>
+
+ * tree-sra.c (modify_function): Free redirect_callers vector.
+ * ipa-split.c (split_function): Free args_to_pass vector.
+ * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Free
+ body_cost_vec properly.
+ (vect_enhance_data_refs_alignment): Likewise.
+ * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
+ vec_oprnds.
+ (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
+ * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
+ (vect_analyze_slp_instance): Free everything.
+ (destroy_bb_vec_info): Free the SLP instances.
+
+2012-08-17 Iain Sandoe <iain@codesourcery.com>
+
+ * config/rs6000/rs6000.c (macho_branch_islands): Adjust for changes
+ to vec.h.
+
+2012-08-17 Jakub Jelinek <jakub@redhat.com>
+
+ * doc/invoke.texi (-Wsizeof-pointer-memaccess): Document.
+
+2012-08-16 Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/mips-dsp.md (mips_dpau_h_qbl, mips_dpau_h_qbr)
+ (mips_dpsu_h_qbl, mips_dpsu_h_qbr, mips_dpaq_s_w_ph)
+ (mips_dpsq_s_w_ph, mips_mulsaq_s_w_ph, mips_dpaq_sa_l_w)
+ (mips_dpsq_sa_l_w, mips_maq_s_w_phl, mips_maq_s_w_phr)
+ (mips_maq_sa_w_phl, mips_maq_sa_w_phr): Add accum_in attribute.
+
+2012-08-16 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54236
+ * config/sh/sh.md (addc): Add commutative modifier.
+ (*addc, *minus_plus_one, *subc, *negc): New insns and splits.
+
+2012-08-16 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/39423
+ * config/sh/sh.md (*movsi_index_disp, *movhi_index_disp): Handle
+ potential T_REG clobber. Convert zero extending split to
+ insn_and_split.
+
+2012-08-16 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/sh.md (ashlsi3_d): Do not split if it would result
+ in a T_REG clobber. Correct comment.
+ (ashlsi3_n): Correct comment.
+
+2012-08-16 Hans-Peter Nilsson <hp@axis.com>
+
+ PR middle-end/54261
+ * optabs.c (expand_atomic_fetch_op): Save and restore code when
+ retrying after failed attempt.
+
+2012-08-16 Yuri Rumyantsev <ysrumyan@gmail.com>
+
+ * config/i386/i386-protos.h (ix86_split_lea_for_addr) : Add
+ additional argument.
+ * config/i386/i386.md (ix86_split_lea_for_addr) : Add
+ additional argument curr_insn.
+ * config/i386/i386.c (ix86_split_lea_for_addr): Load base or index
+ register first, depending on their defintion distances.
+ (ix86_lea_outperforms): Prefer LEA only if split cost exceeds
+ AGU stall.
+ (find_nearest_reg-def): New function. Find register with
+ nearest definition.
+
+2012-08-16 Walter Lee <walt@tilera.com>
+
+ * config.gcc (tilegx-*-linux*): Add feedback.h.
+ (tilepro-*-linux*): Likewise.
+ * config/tilegx/feedback.h: New file.
+ * config/tilepro/feedback.h: New file.
+
+2012-08-16 Diego Novillo <dnovillo@google.com>
+
+ Revert
+
+ PR bootstrap/54281
+ * double-int.h: Move including of gmp.h ...
+ * system.h: ... here.
+ * realmpfr.h: Do not include gmp.h.
+ * tree-ssa-loop-niter.c: Do not include gmp.h.
+
+2012-08-16 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/darwin.h (TARGET_IEEE_QUAD): Fix comment.
+
+2012-08-16 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/54146
+ * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
+ exit vector.
+ * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
+ * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
+ * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
+ * tree-into-ssa.c (get_ssa_name_ann): Allocate info only when needed.
+ * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
+ (tree_ssa_lim_finalize): Free all mem_refs.
+ * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
+ scc when bailing out.
+ * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
+ * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
+ * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
+ FOR_EACH_LOOP_BREAK.
+
+2012-08-16 Diego Novillo <dnovillo@google.com>
+
+ PR bootstrap/54281
+ * double-int.h: Move including of gmp.h ...
+ * system.h: ... here.
+ * realmpfr.h: Do not include gmp.h.
+ * tree-ssa-loop-niter.c: Do not include gmp.h.
+
+2012-08-16 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/54146
+ * tree-flow.h (compute_global_livein): Remove prototype.
+ * tree-into-ssa.c (compute_global_livein): Remove function.
+ * tree-ssa-loop-manip.c: Include gimple-pretty-print.h.
+ (find_sibling_superloop): New function.
+ (compute_live_loop_exits): New function.
+ (add_exit_phis_edge): Rename to add_exit_phi. Do not allow
+ inserting a PHI in a block that is not a loop exit for VAR.
+ Add dumping if TDF_DETAILS.
+ (add_exit_phis_var): Rewrite.
+ (add_exit_phis): Update.
+ (get_loops_exits): Rewrite to return an array of per-loop exits
+ rather than one bitmap with all loop exits.
+ (find_uses_to_rename_bb): Ignore virtual PHI nodes.
+ (rewrite_into_loop_closed_ssa): Update.
+
+2012-08-16 Nick Clifton <nickc@redhat.com>
+
+ * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Cast _ascii_bytes
+ before passing it to ASM_OUTPUT_LIMITED_STRING.
+
+ * config/bfin/bfin.c (hwloop_optimize): Fix use of VEC_last macro.
+
+ * config/avr/t-avr: Replace occurrences of $(CC) with $(COMPILER).
+ * config/avr/avr.c (avr_legitimize_reload_address): Add casts
+ for reload_type enums.
+ (DEF_BUILTIN): Cast the icode to enum insn_code.
+
+2012-08-15 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/aix43.h (ASM_CPU_SPEC): Use %(asm_default)
+ instead of -mppc.
+ * config/rs6000/aix51.h (ASM_CPU_SPEC): Ditto.
+
+2012-08-15 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/aix43.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
+ (RS6000_CALL_GLUE): Adjust for single assembler syntax.
+ * config/rs6000/aix51.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
+ * config/rs6000/aix52.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
+ * config/rs6000/aix53.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
+ * config/rs6000/aix61.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
+ * config/rs6000/darwin.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/darwin.md (whole file): Adjust to single
+ assembler syntax.
+ * config/rs6000/darwin64.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
+ * config/rs6000/default64.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/dfp.md: (whole file): Adjust to single
+ assembler syntax.
+ * config/rs6000/eabi.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
+ * config/rs6000/eabialtivec.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/eabispe.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/linuxaltivec.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/linuxspe.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/rs6000-cpus.def (whole file): Delete POWERPC_BASE_MASK.
+ * config/rs6000/rs6000-tables.opt: Regenerate.
+ * config/rs6000/rs6000.c (POWERPC_BASE_MASK): Delete.
+ (num_insns_constant_wide): Adjust comments.
+ (whole file): Adjust to single assembler syntax.
+ (output_cbranch): Adjust comment.
+ * config/rs6000/rs6000.h (ASSEMBLER_DIALECT): Delete.
+ * config/rs6000/rs6000.md: (whole file): Adjust to single
+ assembler syntax.
+ * config/rs6000/rs6000.opt (mnew-mnemonics): Delete.
+ (mold-mnemonics): Delete.
+ * config/rs6000/spe.md: (whole file): Adjust to single
+ assembler syntax.
+ * config/rs6000/sync.md: (whole file): Adjust to single
+ assembler syntax.
+ * config/rs6000/sysv4.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
+ (ASM_OUTPUT_REG_PUSH): Adjust.
+ (ASM_OUTPUT_REG_POP): Adjust.
+ * config/rs6000/sysv4le.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
+ * config/rs6000/vsx.md: (whole file): Adjust to single
+ assembler syntax.
+ * config/rs6000/vxworks.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
+ * doc/invoke.texi: Adjust documentation to reflect the
+ removal of -mnew-mnemonics and -mold-mnemonics.
+
+2012-08-15 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * common/config/rs6000/rs6000-common.c (rs6000_handle_option):
+ Delete handling for -mno-powerpc and -mpowerpc.
+ * config/rs6000/aix43.h (ASM_CPU_SPEC): Similar.
+ (ASM_DEFAULT_SPEC): Use -mppc instead of -mcom.
+ * config/rs6000/aix51.h (ASM_CPU_SPEC, ASM_DEFAULT_SPEC): Ditto.
+ * config/rs6000/aix52.h (TARGET_DEFAULT): Delete MASK_POWERPC.
+ * config/rs6000/aix53.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/aix61.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/darwin.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/darwin64.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/default64.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/driver-rs6000.c (asm_names): Delete handling
+ for -mcpu=common and -mpowerpc.
+ * config/rs6000/eabi.h (TARGET_DEFAULT): Delete MASK_POWERPC.
+ * config/rs6000/eabialtivec.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/eabispe.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/linuxaltivec.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/linuxspe.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING):
+ Use RS6000_BTM_ALWAYS instead of RS6000_BTM_POWERPC.
+ * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
+ (rs6000_cpu_cpp_builtins): Adjust.
+ * config/rs6000/rs6000.c (POWERPC_BASE_MASK): Delete MASK_POWERPC.
+ (rs6000_builtin_mask_calculate): Adjust.
+ (rs6000_emit_move): Delete code for ! TARGET_POWERPC.
+ (rs6000_init_libfuncs): Ditto.
+ (rs6000_output_function_prologue): Ditto.
+ (rs6000_opt_masks): Delete MASK_POWERPC.
+ (rs6000_builtin_mask_names): Delete RS6000_BTM_POWERPC.
+ * config/rs6000/rs6000.h (ASM_CPU_SPEC): Delete handling for -mpowerpc.
+ (RS6000_BTM_POWERPC): Delete.
+ (RS6000_BTM_COMMON): Delete RS6000_BTM_POWERPC.
+ * config/rs6000/rs6000.md (extendqisi2 patterns): Adjust for
+ TARGET_POWERPC always on.
+ (extendqihi2 patterns): Similar.
+ (various unnamed subtract patterns): Similar.
+ (bswaphi2 patterns): Similar.
+ (divmodsi4): Similar.
+ (udiv<GPR:mode>3): Similar.
+ (div<GPR:mode>3 patterns): Similar.
+ (udivmodsi4): Similar.
+ (mulhcall): Delete.
+ (mullcall): Delete.
+ (divss_call): Delete.
+ (divus_call): Delete.
+ (quoss_call): Delete.
+ (quous_call): Delete.
+ (insvsi patterns): Adjust.
+ (addsf3 patterns): Adjust.
+ (subsf3 patterns): Adjust.
+ (mulsf3 patterns): Adjust.
+ (divsf3 patterns): Adjust.
+ (*fmasf4_fpr): Adjust.
+ (*fmssf4_fpr): Adjust.
+ (*nfmasf4_fpr): Adjust.
+ (*nfmssf4_fpr): Adjust.
+ (*floatunssidf2_internal): Adjust.
+ (fix_trunc<SFDF:mode>si2_internal): Adjust.
+ (fctiwz_<SFDF:mode>): Adjust.
+ (mulsidi3 patterns): Adjust.
+ (smulsi3_highpart patterns): Adjust.
+ (umulsi3_highpart patterns): Adjust.
+ (fix_trunctfsi2 patterns): Adjust.
+ (prefetch): Adjust.
+ * config/rs6000/rs6000.opt (mpowerpc): Replace by stub option.
+ (mno-powerpc): Delete.
+ * config/rs6000/sync.md (load_locked<ATOMIC:mode>): Adjust.
+ (store_conditional<ATOMIC:mode>): Adjust.
+ (atomic_compare_and_swap<ATOMIC:mode>): Adjust.
+ (atomic_exchange<ATOMIC:mode>): Adjust.
+ (atomic_<fetchop_name><ATOMIC:mode>): Adjust.
+ (atomic_nand<ATOMIC:mode>): Adjust.
+ (atomic_fetch_<fetchop_name><ATOMIC:mode>): Adjust.
+ (atomic_fetch_nand<ATOMIC:mode>): Adjust.
+ (atomic_<fetchop_name>_fetch<ATOMIC:mode>): Adjust.
+ (atomic_nand_fetch<ATOMIC:mode>): Adjust.
+ * config/rs6000/sysv4.h (TARGET_DEFAULT): Delete MASK_POWERPC.
+ * config/rs6000/sysv4le.h (TARGET_DEFAULT): Ditto.
+ * config/rs6000/vxworks.h (TARGET_DEFAULT): Ditto.
+ * doc/invoke.texi: Adjust documentation.
+
+2012-08-15 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/rs6000.h (RS6000_BTM_ALWAYS): New.
+
+2012-08-15 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/aix52.h (ASM_CPU_SPEC): Fix typo.
+ * config/rs6000/aix53.h (ASM_CPU_SPEC): Ditto.
+ * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
+ * config/rs6000/driver-rs6000.c (asm_names): Ditto.
+
+2012-08-15 Segher Boessenkool <segher@kernel.crashing.org>
+
+ PR target/54142
+ * config/rs6000/driver-rs6000.c (asm_names): Use %(asm_default)
+ instead of -mcom.
+ * config/rs6000/rs6000.h (ASM_CPU_SPEC): Ditto.
+
+2012-08-15 Sandra Loosemore <sandra@codesourcery.com>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+ MIPS Technologies, Inc.
+
+ * config/mips/mips.md (dspmac, dspmacsat, accext, accmod, dspalu)
+ (dspalusat): Add insn types.
+ * config/mips/mips-dsp.md (add<DSPV:mode>3)
+ (mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>)
+ (sub<DSPV:mode>3, mips_sub<DSP:dspfmt1>_s_<DSP:dspfmt2>, mips_addsc)
+ (mips_addwc, mips_modsub, mips_raddu_w_qb, mips_absq_s_<DSPQ:dspfmt2>)
+ (mips_precrq_qb_ph, mips_precrq_ph_w, mips_precrq_rs_ph_w)
+ (mips_precrqu_s_qb_ph, mips_preceq_w_phl, mips_preceq_w_phr)
+ (mips_precequ_ph_qbl, mips_precequ_ph_qbr, mips_precequ_ph_qbla)
+ (mips_precequ_ph_qbra, mips_preceu_ph_qbl, mips_preceu_ph_qbr)
+ (mips_preceu_ph_qbla, mips_preceu_ph_qbra, mips_shll_<DSPV:dspfmt2>)
+ (mips_shll_s_<DSPQ:dspfmt2>, mips_shll_s_<DSPQ:dspfmt2>, mips_shrl_qb)
+ (mips_shra_ph, mips_shra_r_<DSPQ:dspfmt2>, mips_bitrev, mips_insv)
+ (mips_repl_qb, mips_repl_ph)
+ (mips_cmp<DSPV:dspfmt1_1>_eq_<DSPV:dspfmt2>)
+ (mips_cmp<DSPV:dspfmt1_1>_lt_<DSPV:dspfmt2>)
+ (mips_cmp<DSPV:dspfmt1_1>_le_<DSPV:dspfmt2>, mips_cmpgu_eq_qb)
+ (mips_cmpgu_lt_qb, mips_cmpgu_le_qb, mips_pick_<DSPV:dspfmt2>)
+ (mips_packrl_ph, mips_wrdsp, mips_rddsp): Change type to dspalu.
+ (mips_dpau_h_qbl, mips_dpau_h_qbr, mips_dpsu_h_qbl, mips_dpsu_h_qbr)
+ (mips_dpaq_s_w_ph, mips_dpsq_s_w_ph, mips_mulsaq_s_w_ph)
+ (mips_maq_s_w_phl, mips_maq_s_w_phr, mips_maq_sa_w_phr): Set type to
+ dspmac.
+ (mips_dpaq_sa_l_w, mips_dpsq_sa_l_w, mips_maq_sa_w_phl): Set type to
+ dspmacsat.
+ (mips_extr_w, mips_extr_r_w, mips_extr_rs_w, mips_extp, mips_extpdp):
+ Set type to accext.
+ (mips_shilo, mips_mthlip): Set type to accmod.
+ * config/mips/mips-dspr2.md (mips_absq_s_qb, mips_addu_s_ph)
+ (mips_adduh_r_qb): Set type to dspalusat.
+ (mips_addu_ph, mips_adduh_qb, mips_append, mips_balign)
+ (mips_cmpgdu_eq_qb, mips_cmpgdu_lt_qb, mips_cmpgdu_le_qb)
+ (mips_precr_qb_ph, mips_precr_sra_ph_w, mips_precr_sra_r_ph_w)
+ (mips_prepend, mips_shra_qb, mips_shra_r_qb, mips_shrl_ph)
+ (mips_subu_ph, mips_subuh_qb, mips_subuh_r_qb, mips_addqh_ph)
+ (mips_addqh_r_ph, mips_addqh_w, mips_addqh_r_w, mips_subqh_ph)
+ (mips_subqh_r_ph, mips_subqh_w, mips_subqh_r_w): Set type to dspalu.
+ (mips_dpa_w_ph, mips_dps_w_ph, mips_mulsa_w_ph, mips_dpax_w_ph)
+ (mips_dpsx_w_ph, mips_dpaqx_s_w_ph, mips_dpsqx_s_w_ph): Set type to
+ dspmac. Set accum_in attribute.
+ (mips_subu_s_ph): Set type to dspalusat.
+ (mips_dpaqx_sa_w_ph, mips_dpsqx_sa_w_ph): Set type to dspmacsat.
+ Set accum_in attribute.
+ * config/mips/mips-protos.h (mips_dspalu_bypass_p): Add prototype.
+ * config/mips/mips.c (dspalu_bypass_table): New.
+ (mips_dspalu_bypass_p): New.
+ * config/mips/24k.md (r24k_dsp_alu, r24k_dsp_mac, r24k_dsp_mac_sat)
+ (r24k_dsp_acc_ext, r24k_dsp_acc_mod): New insn reservations.
+ (r24k_int_mult, r24k_int_mthilo, r24k_dsp_mac, r24k_dsp_mac_sat)
+ (r24k_dsp_acc_ext, r24k_dsp_acc_mod, r24k_dsp_alu): New bypasses.
+ * config/mips/74k.md (r74k_dsp_alu, r74k_dsp_alu_sat, r74k_dsp_mac)
+ (r74k_dsp_mac_sat, r74k_dsp_acc_ext, r74k_dsp_acc_mod): New insn
+ reservations.
+ (r74k_dsp_mac, r74k_dsp_mac_sat, r74k_int_mult, r74k_int_mul3)
+ (r74k_dsp_mac, r74k_dsp_mac_sat): New bypasses.
+
+2012-08-15 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/spu/spu.c: Include "cfgloop.h".
+ (spu_machine_dependent_reorg): Call loop_optimizer_init and
+ loop_optimizer_finalize. Use bb_loop_depth instead of loop_depth.
+ Directly compare loop_father values where appropriate.
+ * config/spu/t-spu-elf (spu.o): Update dependencies.
+
+2012-08-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ * Makefile.in (tree-cfg.o): Also depend on $(TARGET_H).
+
+2012-08-15 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/54245
+ * gimple-ssa-strength-reduction.c (legal_cast_p_1): New function.
+ (legal_cast_p): Split out logic to legal_cast_p_1.
+ (analyze_increments): Avoid introducing multiplies in smaller types.
+
+2012-08-15 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/54240
+ * tree-ssa-phiopt.c (hoist_adjacent_loads): Correct test for
+ existence of conditional move with given mode.
+
+2012-08-15 Richard Guenther <rguenther@suse.de>
+
+ * double-int.h (double_int::from_unsigned): Rename to ...
+ (double_int::from_uhwi): ... this.
+ (double_int::from_signed): Rename to ...
+ (double_int::from_shwi): ... this.
+ (double_int::to_signed): Rename to ...
+ (double_int::to_shwi): ... this.
+ (double_int::to_unsigned): Rename to ...
+ (double_int::to_uhwi): ... this.
+ (double_int::fits_unsigned): Rename to ...
+ (double_int::fits_uhwi): ... this.
+ (double_int::fits_signed): Rename to ...
+ (double_int::fits_shwi): ... this.
+ (double_int::fits): Rename to ...
+ (double_int::fits_hwi): ... this.
+ * double-int.c: Likewise.
+
+2012-08-15 Steven Bosscher <steven@gcc.gnu.org>
+
+ * timevar.def (TV_VARPOOL, TV_WHOPR_WPA_LTRANS_EXEC, TV_LIFE,
+ TV_LIFE_UPDATE, TV_DF_UREC, TV_INLINE_HEURISTICS,
+ TV_TREE_LINEAR_TRANSFORM, TV_TREE_LOOP_INIT, TV_TREE_LOOP_FINI,
+ TV_VPT, TV_LOCAL_ALLOC, TV_GLOBAL_ALLOC, TV_SEQABSTR): Remove.
+ (TV_IPA_INLINING, TV_FLATTEN_INLINING, TV_EARLY_INLINING,
+ TV_INLINE_PARAMETERS, TV_LOOP_INIT, TV_LOOP_FINI): New.
+ * timevar.c (timevar_print): Make printing width of timevar names
+ more flexible, but enforce maximum length.
+ * ipa-inline.c (pass_early_inline): Use TV_EARLY_INLINING.
+ (pass_ipa_inline): Use TV_IPA_INLINING.
+ * ipa-inline-analysis.c (pass_inline_parameters): Use
+ TV_INLINE_HEURISTICS.
+ * tree-ssa-loop.c (pass_tree_loop_init): No timevar for wrapper pass.
+ (pass_tree_loop_done): Likewise.
+ * final.c (pass_shorten_branches): Use TV_SHORTEN_BRANCH.
+ * loop-init.c (loop_optimizer_init): Push/pop TV_LOOP_INIT.
+ (loop_optimizer_finalize): Push/pop TV_LOOP_FINI.
+
+2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ * config/arm/neon.md (neon_vaba<mode> VDQIW): Canonicalize operands.
+ (neon_vabal<mode> VDQIW): Likewise.
+
+2012-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR target/54212
+ * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
+ mark as predicable. Adjust asm template.
+ (vec_setv2di_internal): Likewise.
+ (vec_extract<mode> VD, VQ): Likewise.
+ (vec_extractv2di): Likewise.
+ (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
+ (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
+ (neon_vdup_n<mode> VX, V32): Likewise.
+ (neon_vdup_nv2di): Likewise.
+
+2012-08-14 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/mips/mips.md (define_attr accum_in): New instruction
+ attribute. Set it for imadd and fmadd patterns.
+ * config/mips/mips.c (mips_linked_madd_p): Use accum_in to extract
+ accumulator register.
+
+2012-08-14 Diego Novillo <dnovillo@google.com>
+
+ Merge from cxx-conversion branch. Configury.
+
+ * configure.ac (CXX_FOR_BUILD): Define and substitute.
+ (BUILD_CXXFLAGS): Define.
+ Remove all handlers of ENABLE_BUILD_WITH_CXX.
+ Force all build to be with C++.
+ * Makefile.in (BUILD_CXXFLAGS): Use it.
+ Remove all handlers of ENABLE_BUILD_WITH_CXX.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * doc/install.texi: Remove documentation for --enable-build-with-cxx
+ and --enable-build-poststage1-with-cxx.
+
+2012-08-14 Diego Novillo <dnovillo@google.com>
+
+ Merge from cxx-conversion branch. Re-implement VEC in C++.
+
+ * vec.c (vec_heap_free): Convert into a template function.
+ (vec_gc_o_reserve_1): Make extern.
+ (vec_gc_p_reserve): Remove.
+ (vec_gc_p_reserve_exact): Remove.
+ (vec_gc_o_reserve): Remove.
+ (vec_gc_o_reserve_exact): Remove.
+ (vec_heap_o_reserve_1): Make extern.
+ (vec_heap_p_reserve): Remove.
+ (vec_heap_p_reserve_exact): Remove.
+ (vec_heap_o_reserve): Remove.
+ (vec_heap_o_reserve_exact): Remove.
+ (vec_stack_p_reserve): Remove.
+ (vec_stack_p_reserve_exact): Remove.
+ * vec.h (VEC_CHECK_INFO, VEC_CHECK_DECL, VEC_CHECK_PASS, VEC_ASSERT,
+ VEC_ASSERT_FAIL, vec_assert_fail): Move earlier in the file.
+ (VEC): Define to vec_t<T>.
+ (vec_allocation_t): Define.
+ (struct vec_prefix): Move earlier in the file.
+ (vec_t<T>): New template.
+ (DEF_VEC_I, DEF_VECL_ALLOC_I, DEF_VEC_P, DEF_VEC_ALLOC_P,
+ DEF_VEC_O, DEF_VEC_ALLOC_P, DEF_VEC_O, DEF_VEC_ALLOC_O,
+ DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_O_STACK,
+ DEF_VEC_ALLOC_I_STACK): Expand to 'struct vec_swallow_trailing_semi'.
+ (DEF_VEC_A): Provide template instantiations for
+ GC/PCH markers that do not traverse the vector.
+ (vec_stack_p_reserve): Remove.
+ (vec_stack_p_reserve_exact): Remove.
+ (vec_stack_p_reserve_exact_1): Remove.
+ (vec_stack_o_reserve): Remove.
+ (vec_stack_o_reserve_exact): Remove.
+ (vec_stack_free): Re-write as a template function.
+ (vec_reserve): New template function.
+ (vec_reserve_exact): New template function.
+ (vec_heap_free): New template function if GATHER_STATISTICS is
+ defined. Otherwise, macro that expands to free().
+ (VEC_length_1): New template function.
+ (VEC_length): Call it.
+ (VEC_empty_1): New template function.
+ (VEC_empty): Call it.
+ (VEC_address_1): New template function.
+ (VEC_address): Call it.
+ (VEC_last_1): New template function.
+ (VEC_last): Call it. Change return type to T&.
+ Change all users that used VEC_Os.
+ (VEC_index_1): New template function.
+ (VEC_index): Call it. Return a T& instead of a T*.
+ Update all callers that were using VEC_O before.
+ (VEC_iterate_1): New template function.
+ (VEC_iterate): Call it.
+ (VEC_embedded_size_1): New template function.
+ (VEC_embedded_size): Call it.
+ (VEC_embedded_init_1): New template function.
+ (VEC_embedded_init): Call it.
+ (VEC_alloc_1): New template function.
+ (VEC_alloc): Call it. If A is 'stack', call XALLOCAVAR to
+ do the allocation.
+ (VEC_free_1): New template function.
+ (VEC_free): Call it.
+ (VEC_copy_1): New template function.
+ (VEC_copy): Call it.
+ (VEC_space_1): New template function
+ (VEC_space): Call it.
+ (VEC_reserve_1): New template function.
+ (VEC_reserve): Call it.
+ (VEC_reserve_exact_1): New template function.
+ (VEC_reserve_exact): Call it.
+ (VEC_splice_1): New template function.
+ (VEC_splice): Call it.
+ (VEC_safe_splice_1): New template function.
+ (VEC_safe_splice): Call it.
+ (VEC_quick_push_1): New template function. Create two overloads, one
+ accepting T, the other accepting T *. Update all callers
+ where T and T * are ambiguous.
+ (VEC_quick_push): Call it.
+ (VEC_safe_push_1): New template function. Create two overloads, one
+ accepting T, the other accepting T *. Update all callers
+ where T and T * are ambiguous.
+ (VEC_safe_push): Call it.
+ (VEC_pop_1): New template function.
+ (VEC_pop): Call it.
+ (VEC_truncate_1): New template function.
+ (VEC_truncate): Call it.
+ (VEC_safe_grow_1): New template function.
+ (VEC_safe_grow): Call it.
+ (VEC_safe_grow_cleared_1): New template function.
+ (VEC_safe_grow_cleared): Call it.
+ (VEC_replace_1): New template function.
+ (VEC_replace): Call it. Always accept T instead of T*.
+ Update all callers that used VEC_Os.
+ (VEC_quick_insert_1): New template function.
+ (VEC_quick_insert): Call it.
+ (VEC_safe_insert_1): New template function.
+ (VEC_safe_insert): Call it.
+ (VEC_ordered_remove_1): New template function.
+ (VEC_ordered_remove): Call it.
+ (VEC_unordered_remove_1): New template function.
+ (VEC_unordered_remove): Call it.
+ (VEC_block_remove_1): New template function.
+ (VEC_block_remove): Call it.
+ (VEC_lower_bound_1): New template function.
+ (VEC_lower_bound): Call it.
+ (VEC_OP): Remove.
+ (DEF_VEC_FUNC_P): Remove.
+ (DEF_VEC_ALLOC_FUNC_P): Remove.
+ (DEF_VEC_NONALLOC_FUNCS_P): Remove.
+ (DEF_VEC_FUNC_O): Remove.
+ (DEF_VEC_ALLOC_FUNC_O): Remove.
+ (DEF_VEC_NONALLOC_FUNCS_O): Remove.
+ (DEF_VEC_ALLOC_FUNC_I): Remove.
+ (DEF_VEC_NONALLOC_FUNCS_I): Remove.
+ (DEF_VEC_ALLOC_FUNC_P_STACK): Remove.
+ (DEF_VEC_ALLOC_FUNC_O_STACK): Remove.
+ (DEF_VEC_ALLOC_FUNC_I_STACK): Remove.
+ (vec_reserve_exact): New template function.
+
+ * gengtype-lex.l (DEF_VEC_ALLOC_[IOP]/{EOID}): Remove.
+ * gengtype-parse.c (token_names): Remove DEF_VEC_ALLOC_[IOP].
+ (typedef_name): Emit vec_t<C1> instead of VEC_C1_C2.
+ (def_vec_alloc): Remove. Update all callers.
+ * gengtype.c (filter_type_name): New.
+ (output_mangled_typename): Call it.
+ (write_func_for_structure): Likewise.
+ (write_types): Likewise.
+ (write_root): Likewise.
+ (write_typed_alloc_def): Likewise.
+ (note_def_vec): Emit vec_t<TYPE_NAME> instead of VEC_TYPE_NAME_base.
+ (note_def_vec_alloc): Remove.
+ * gengtype.h (note_def_vec_alloc): Remove.
+ (DEFVEC_ALLOC): Remove token code.
+
+ * df-scan.c (df_bb_verify): Remove call to df_free_collection_rec
+ inside the insn traversal loop.
+ * gimplify.c (gimplify_compound_lval): Rename STACK to EXPR_STACK.
+ * ipa-inline.c (inline_small_functions): Rename HEAP to EDGE_HEAP.
+ * reg-stack.c (stack): Rename to STACK_PTR. Update all users.
+ * tree-vrp.c (stack): Rename to EQUIV_STACK. Update all users.
+
+ * config/bfin/bfin.c (hwloop_optimize): Update some calls to
+ VEC_* for vectors of non-pointers.
+ * config/c6x/c6x.c (try_rename_operands): Likewise.
+ (reshuffle_units): Likewise.
+ * config/mips/mips.c (mips_multi_start): Likewise.
+ (mips_multi_add): Likewise.
+ (mips_multi_copy_insn): Likewise.
+ (mips_multi_set_operand): Likewise.
+ * hw-doloop.c (discover_loop): Likewise.
+ (discover_loops): Likewise.
+ (reorg_loops): Likewise.
+
+2012-08-14 Diego Novillo <dnovillo@google.com>
+
+ Merge from cxx-conversion branch. C++ support in gengtype.
+
+ * coretypes.h (gt_pointer_operator): Move from ...
+ * ggc.h: ... here.
+ * doc/gty.texi: Document support for C++ templates and
+ user-provided markers.
+ * gengtype-lex.l: Update copyright year.
+ Remove support for recognizing DEF_VEC_O, DEF_VEC_P and DEFVEC_I.
+ * gengtype-parse.c: Update copyright year.
+ (token_names): Remove DEF_VEC_O, DEF_VEC_P and DEF_VEC_I.
+ (require_template_declaration): New.
+ (typedef_name): Call it.
+ (type): Replace IS_UNION with KIND. Replace all users.
+ (def_vec): Remove. Update all users.
+ * gengtype-state.c (type_lineloc): Handle TYPE_USER_STRUCT.
+ (write_state_user_struct_type): New.
+ (write_state_type): Call it.
+ (read_state_user_struct_type): New.
+ (read_state_type): Call it.
+ * gengtype.c: Update copyright year.
+ (dump_pair): Move declaration to the top.
+ (dump_type): Likewise.
+ (dump_type_list): Likewise.
+ (dbgprint_count_type_at): Handle TYPE_USER_STRUCT.
+ (create_user_defined_type): New.
+ (resolve_typedef): Call it.
+ (new_structure): Replace argument ISUNION with KIND.
+ Change users to refer to KIND directly.
+ Update all callers.
+ (find_structure): Likewise.
+ (set_gc_used_type): Handle TYPE_USER_STRUCT.
+ (create_file): Update HDR to include new copyright year.
+ (struct walk_type_data): Add field IN_PTR_FIELD.
+ (output_mangled_typename): Handle TYPE_USER_STRUCT.
+ (walk_type): Set D->IN_PTR_FIELD when walking a TYPE_POINTER.
+ Clear it afterwards.
+ Handle TYPE_USER_STRUCT.
+ (write_types_process_field): Handle TYPE_USER_STRUCT.
+ (get_type_specifier): Move earlier in the file.
+ (write_type_decl): New.
+ (write_marker_function_name): New.
+ (write_user_func_for_structure_ptr): New.
+ (write_user_func_for_structure_body): New.
+ (write_user_marking_functions): New.
+ (write_func_for_structure): Call write_marker_function_name
+ and write_type_decl.
+ Do not call walk_type for TYPE_USER_STRUCT. Emit a call to the user
+ function directly.
+ Call write_user_marking_functions on TYPE_USER_STRUCTs.
+ (write_types_local_user_process_field): New.
+ (write_pch_user_walking_for_structure_body): New.
+ (write_pch_user_walking_functions): New.
+ (write_types_local_process_field): Handle TYPE_USER_STRUCT.
+ (write_local_func_for_structure): Do not call walk_type for
+ TYPE_USER_STRUCT. Instead, emit the call to gt_pch_nx directly.
+ Call write_pch_user_walking_functions for TYPE_USER_STRUCTs.
+ (write_root): Handle TYPE_USER_STRUCT.
+ (vec_prefix_type): Remove. Update all users.
+ (note_def_vec): Remove. Update all users.
+ (dump_typekind): Handle TYPE_USER_STRUCT.
+ (dump_type): Initialize SEEN_TYPES, if needed.
+ Handle TYPE_USER_STRUCT.
+ (dump_everything): Do not initialize SEEN_TYPES.
+ * gengtype.h: Update copyright year.
+ (enum typekind): Add TYPE_USER_STRUCT.
+ (union_or_struct_p): Rename from UNION_OR_STRUCT_P.
+ Convert into function.
+ Add an overload taking const_type_p.
+ Update all callers.
+ (new_structure): Change second field to type enum typekind.
+ Update all users.
+ (find_structure): Likewise.
+ (note_def_vec): Remove.
+ (DEFVEC_OP): Remove.
+ (DEFVEC_I): Remove.
+ * ggc-page.c (gt_ggc_mx): Add entry points for marking
+ 'const char *&', 'unsigned char *&' and 'unsigned char&'.
+ * ggc-zone.c (gt_ggc_mx): Add entry points for marking
+ 'const char *&' and 'unsigned char *&'.
+ * stringpool.c (gt_pch_nx): Add entry points for marking
+ 'const char *&', 'unsigned char *&' and 'unsigned char&'.
+ Add an entry point for the overload taking arguments 'unsigned char
+ *', 'gt_pointer_operator' and 'void *'.
+ * vec.h (struct vec_prefix): Remove GTY marker.
+ (struct vec_t): Remove GTY((length)) attribute from field 'vec'.
+ (gt_ggc_mx (vec_t<T> *)): New template function.
+ (gt_pch_nx (vec_t<T> *)): New template function.
+ (gt_pch_nx (vec_t<T *> *, gt_pointer_operator, void *)): New template
+ function.
+ (gt_pch_nx (vec_t<T> *, gt_pointer_operator, void *)): New template
+ function.
+
+ * basic-block.h (struct edge_def): Mark GTY((user)).
+ Remove all GTY markers from fields.
+ (gt_ggc_mx): Declare.
+ (gt_pch_nx): Declare.
+ * tree-cfg.c (gt_ggc_mx): New.
+ (gt_pch_nx): New.
+
+ * gengtype-lex.l (USER_GTY): Add pattern for "user".
+ * gengtype-parse.c (option): Handle USER_GTY.
+ (opts_have): New.
+ (type): Call it.
+ If the keyword 'user' is used, do not walk the fields
+ of the structure.
+ * gengtype.h (USER_GTY): Add.
+ * doc/gty.texi: Update.
+
+2012-08-14 Lawrence Crowl <crowl@google.com>
+
+ Merge cxx-conversion branch. Implement C++ hash table.
+
+ * hash-table.h: New. Implementation borrowed from libiberty/hashtab.c.
+ * hash-table.c: Likewise.
+ * tree-ssa-tail-merge.c: Include hash-table.h instead of hashtab.h.
+ (static htab_t same_succ_htab): Change type to hash_table;
+ move specification of helper functions from create call to declaration.
+ Change users to invoke member functions.
+ (same_succ_print_traverse): Make extern ssa_.... Change callers.
+ Remove void* casting.
+ (same_succ_hash): Likewise.
+ (same_succ_equal): Likewise.
+ (same_succ_delete): Likewise.
+ * tree-ssa-threadupdate.c: Include hash-table.h.
+ (struct local_info): Rename to ssa_local_info_t to avoid overloading
+ the type name local_info with the variable name local_info.
+ (static htab_t redirection_data): Change type to hash_table.
+ Move specification of helper functions from create call to declaration.
+ Change users to invoke member functions.
+ (redirection_data_hash): Make extern ssa_.... Change callers.
+ Remove void* casting.
+ (redirection_data_eq): Likewise.
+ (fix_duplicate_block_edges): Likewise.
+ (create_duplicates): Likewise.
+ (fixup_template_block): Likewise.
+ (redirect_edges): Likewise.
+ (lookup_redirection_data): Change types associated with the hash table
+ from void* to their actual type. Remove unnecessary casts.
+ * tree-ssa-ccp.c: Include hash-table.h.
+ (typedef gimple_htab): New. Uses hash_table. Replace specific uses
+ of htab_t with gimple_htab. Change users to invoke member functions.
+ Move specification of helper functions from create call to declaration.
+ * tree-ssa-coalesce.c: Include hash-table.h instead of hashtab.h.
+ (hash_ssa_name_by_var): Make extern. Remove void* casting.
+ (eq_ssa_name_by_var): Likewise.
+ (coalesce_ssa_name): Change type of local static htab_t ssa_name_hash
+ to hash_table. Change users to invoke member functions.
+ Move specification of helper functions from create call to declaration.
+ * coverage.c: Include hash-table.h instead of hashtab.h.
+ (static htab_t counts_hash): Change type to hash_table;
+ move specification of helper functions from create call to declaration.
+ Change users to invoke member functions.
+ (htab_counts_entry_hash): Make extern. Rename with coverage_... instead
+ of htab_... Remove void* casting.
+ (htab_counts_entry_eq): Likewise.
+ (htab_counts_entry_del): Likewise.
+ * tree-ssa-pre.c: Include hash-table.h instead of hashtab.h.
+ (static htab_t expression_to_id): Change type to hash_table.
+ Move specification of helper functions from create call to declaration.
+ Change users to invoke member functions.
+ (static htab_t phi_translate_table): Likewise.
+ (pre_expr_eq): Make extern ssa_.... Change callers.
+ Remove void* casting.
+ (pre_expr_hash): Likewise.
+ (expr_pred_trans_hash): Likewise.
+ (expr_pred_trans_eq): Likewise.
+ (alloc_expression_id): Change types associated with the hash table
+ from void* to their actual type. Remove unnecessary casts.
+ (lookup_expression_id): Likewise.
+ (phi_trans_lookup): Likewise.
+ (phi_trans_add): Likewise.
+ * stringpool.c: Rename uses of libcpp typedef hash_table to
+ cpp_hash_table.
+ * Makefile.in: Add hash-table.o to OBJS-libcommon-target.
+ Add $(HASH_TABLE_H). Add new dependences on $(HASH_TABLE_H).
+
+2012-08-14 Lawrence Crowl <crowl@google.com>
+
+ Merge from cxx-conversion branch. Re-write double_int in C++.
+
+ * hash-table.h
+ (typedef double_int): Change to struct (POD).
+ (double_int::make): New overloads for int to double-int conversion.
+ (double_int::mask): New.
+ (double_int::max_value): New.
+ (double_int::min_value): New.
+ (double_int::operator ++): New.
+ (double_int::operator --): New.
+ (double_int::operator *=): New.
+ (double_int::operator +=): New.
+ (double_int::operator -=): New.
+ (double_int::to_signed): New.
+ (double_int::to_unsigned): New.
+ (double_int::fits_unsigned): New.
+ (double_int::fits_signed): New.
+ (double_int::fits): New.
+ (double_int::trailing_zeros): New.
+ (double_int::popcount): New.
+ (double_int::multiple_of): New.
+ (double_int::set_bit): New.
+ (double_int::mul_with_sign): New.
+ (double_int::operator * (binary)): New.
+ (double_int::operator + (binary)): New.
+ (double_int::operator - (binary)): New.
+ (double_int::operator - (unary)): New.
+ (double_int::operator ~ (unary)): New.
+ (double_int::operator & (binary)): New.
+ (double_int::operator | (binary)): New.
+ (double_int::operator ^ (binary)): New.
+ (double_int::and_not): New.
+ (double_int::lshift): New.
+ (double_int::rshift): New.
+ (double_int::alshift): New.
+ (double_int::arshift): New.
+ (double_int::llshift): New.
+ (double_int::lrshift): New.
+ (double_int::lrotate): New.
+ (double_int::rrotate): New.
+ (double_int::div): New.
+ (double_int::sdiv): New.
+ (double_int::udiv): New.
+ (double_int::mod): New.
+ (double_int::smod): New.
+ (double_int::umod): New.
+ (double_int::divmod): New.
+ (double_int::sdivmod): New.
+ (double_int::udivmod): New.
+ (double_int::ext): New.
+ (double_int::zext): New.
+ (double_int::sext): New.
+ (double_int::is_zero): New.
+ (double_int::is_one): New.
+ (double_int::is_minus_one): New.
+ (double_int::is_negative): New.
+ (double_int::cmp): New.
+ (double_int::ucmp): New.
+ (double_int::scmp): New.
+ (double_int::ult): New.
+ (double_int::ugt): New.
+ (double_int::slt): New.
+ (double_int::sgt): New.
+ (double_int::max): New.
+ (double_int::smax): New.
+ (double_int::umax): New.
+ (double_int::min): New.
+ (double_int::smin): New.
+ (double_int::umin): New.
+ (double_int::operator ==): New.
+ (double_int::operator !=): New.
+ (shwi_to_double_int): Change implementation to use member function.
+ (double_int_minus_one): Likewise.
+ (double_int_zero): Likewise.
+ (double_int_one): Likewise.
+ (double_int_two): Likewise.
+ (double_int_ten): Likewise.
+ (uhwi_to_double_int): Likewise.
+ (double_int_to_shwi): Likewise.
+ (double_int_to_uhwi): Likewise.
+ (double_int_fits_in_uhwi_p): Likewise.
+ (double_int_fits_in_shwi_p): Likewise.
+ (double_int_fits_in_hwi_p): Likewise.
+ (double_int_mul): Likewise.
+ (double_int_mul_with_sign): Likewise.
+ (double_int_add): Likewise.
+ (double_int_sub): Likewise.
+ (double_int_neg): Likewise.
+ (double_int_div): Likewise.
+ (double_int_sdiv): Likewise.
+ (double_int_udiv): Likewise.
+ (double_int_mod): Likewise.
+ (double_int_smod): Likewise.
+ (double_int_umod): Likewise.
+ (double_int_divmod): Likewise.
+ (double_int_sdivmod): Likewise.
+ (double_int_udivmod): Likewise.
+ (double_int_multiple_of): Likewise.
+ (double_int_setbit): Likewise.
+ (double_int_ctz): Likewise.
+ (double_int_not): Likewise.
+ (double_int_ior): Likewise.
+ (double_int_and): Likewise.
+ (double_int_and_not): Likewise.
+ (double_int_xor): Likewise.
+ (double_int_lshift): Likewise.
+ (double_int_rshift): Likewise.
+ (double_int_lrotate): Likewise.
+ (double_int_rrotate): Likewise.
+ (double_int_cmp): Likewise.
+ (double_int_scmp): Likewise.
+ (double_int_ucmp): Likewise.
+ (double_int_max): Likewise.
+ (double_int_smax): Likewise.
+ (double_int_umax): Likewise.
+ (double_int_min): Likewise.
+ (double_int_smin): Likewise.
+ (double_int_umin): Likewise.
+ (double_int_ext): Likewise.
+ (double_int_sext): Likewise.
+ (double_int_zext): Likewise.
+ (double_int_mask): Likewise.
+ (double_int_max_value): Likewise.
+ (double_int_min_value): Likewise.
+ (double_int_zero_p): Likewise.
+ (double_int_one_p): Likewise.
+ (double_int_minus_one_p): Likewise.
+ (double_int_equal_p): Likewise.
+ (double_int_popcount): Likewise.
+ * hash-table.c
+ (double_int_mask): Reuse implementation for double_int::mask.
+ (double_int_max_value): Likewise.
+ (double_int_min_value): Likewise.
+ (double_int_ext): Likewise.
+ (double_int_zext): Likewise.
+ (double_int_sext): Likewise.
+ (double_int_mul_with_sign): Likewise.
+ (double_int_divmod): Likewise.
+ (double_int_sdivmod): Likewise.
+ (double_int_udivmod): Likewise.
+ (double_int_div): Likewise.
+ (double_int_sdiv): Likewise.
+ (double_int_udiv): Likewise.
+ (double_int_mod): Likewise.
+ (double_int_smod): Likewise.
+ (double_int_umod): Likewise.
+ (double_int_multiple_of): Likewise.
+ (double_int_lshift): Likewise.
+ (double_int_rshift): Likewise.
+ (double_int_lrotate): Likewise.
+ (double_int_rrotate): Likewise.
+ (double_int_cmp): Likewise.
+ (double_int_ucmp): Likewise.
+ (double_int_scmp): Likewise.
+ (double_int_max): Likewise.
+ (double_int_smax): Likewise.
+ (double_int_umax): Likewise.
+ (double_int_min): Likewise.
+ (double_int_smin): Likewise.
+ (double_int_umin): Likewise.
+ (double_int_min): Likewise.
+ (double_int_min): Likewise.
+ (double_int_min): Likewise.
+ (double_int_min): Likewise.
+ (double_int_min): Likewise.
+ (double_int_min): Likewise.
+ (double_int::alshift): New.
+ (double_int::arshift): New.
+ (double_int::llshift): New.
+ (double_int::lrshift): New.
+ (double_int::ult): New.
+ (double_int::ugt): New.
+ (double_int::slt): New.
+ (double_int::sgt): New.
+ (double_int_setbit): Reuse implementation for double_int::set_bit,
+ which avoids a name conflict with a macro.
+ (double_int_double_int_ctz): Reuse implementation for
+ double_int::trailing_zeros.
+ (double_int_fits_in_shwi_p): Reuse implementation for
+ double_int::fits_signed.
+ (double_int_fits_in_hwi_p): Reuse implementation for double_int::fits.
+ (double_int_mul): Reuse implementation for binary
+ double_int::operator *.
+ (double_int_add): Likewise.
+ (double_int_sub): Likewise.
+ (double_int_neg): Reuse implementation for unary
+ double_int::operator -.
+ (double_int_max_value): Likewise.
+ * fixed-value.c: Change to use member functions introduced above.
+
+2012-08-14 Lawrence Crowl <crowl@google.com>
+
+ Merge cxx-conversion branch. Support tree macro calling from gdb.
+
+ * tree.h (tree_check): New.
+ (TREE_CHECK): Use inline function above instead of __extension__.
+ (tree_not_check): New.
+ (TREE_NOT_CHECK): Use inline function above instead of __extension__.
+ (tree_check2): New.
+ (TREE_CHECK2): Use inline function above instead of __extension__.
+ (tree_not_check2): New.
+ (TREE_NOT_CHECK2): Use inline function above instead of __extension__.
+ (tree_check3): New.
+ (TREE_CHECK3): Use inline function above instead of __extension__.
+ (tree_not_check3): New.
+ (TREE_NOT_CHECK3): Use inline function above instead of __extension__.
+ (tree_check4): New.
+ (TREE_CHECK4): Use inline function above instead of __extension__.
+ (tree_not_check4): New.
+ (TREE_NOT_CHECK4): Use inline function above instead of __extension__.
+ (tree_check5): New.
+ (TREE_CHECK5): Use inline function above instead of __extension__.
+ (tree_not_check5): New.
+ (TREE_NOT_CHECK5): Use inline function above instead of __extension__.
+ (contains_struct_check): New.
+ (CONTAINS_STRUCT_CHECK): Use inline function above instead of
+ __extension__.
+ (tree_class_check): New.
+ (TREE_CLASS_CHECK): Use inline function above instead of __extension__.
+ (tree_range_check): New.
+ (TREE_RANGE_CHECK): Use inline function above instead of __extension__.
+ (omp_clause_subcode_check): New.
+ (OMP_CLAUSE_SUBCODE_CHECK): Use inline function above instead of
+ __extension__.
+ (omp_clause_range_check): New.
+ (OMP_CLAUSE_RANGE_CHECK): Use inline function above instead of
+ __extension__.
+ (expr_check): New.
+ (EXPR_CHECK): Use inline function above instead of __extension__.
+ (non_type_check): New.
+ (NON_TYPE_CHECK): Use inline function above instead of __extension__.
+ (tree_vec_elt_check): New.
+ (TREE_VEC_ELT_CHECK): Use inline function above instead of
+ __extension__.
+ (omp_clause_elt_check): New.
+ (OMP_CLAUSE_ELT_CHECK): Use inline function above instead of
+ __extension__.
+ (tree_operand_check): New.
+ (TREE_OPERAND_CHECK): Use inline function above instead of
+ __extension__.
+ (tree_operand_check_code): New.
+ (TREE_OPERAND_CHECK_CODE): Use inline function above instead of
+ __extension__.
+ (TREE_CHAIN): Simplify implementation.
+ (TREE_TYPE): Simplify implementation.
+ (tree_operand_length): Move for compilation dependences.
+ * gdbinit.in: (macro define __FILE__): New.
+ (macro define __LINE__): New.
+ (skip "tree.h"): New.
+
+2012-08-14 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/52933
+ * config/sh/sh.md (cmp_div0s_0, cmp_div0s_1, *cmp_div0s_0,
+ *cmp_div0s_1, *cbranch_div0s, *movsicc_div0s): New insns.
+ * config/sh/sh.c (sh_rtx_costs): Handle div0s patterns.
+
+2012-08-14 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/50751
+ * config/sh/constraints.md (Sra): New constraint.
+ * config/sh/predicates.md (simple_mem_operand,
+ displacement_mem_operand, zero_extend_movu_operand): New predicates.
+ (zero_extend_operand): Check zero_extend_movu_operand for SH2A.
+ * config/sh/sh.md (*zero_extendqisi2_disp_mem,
+ *zero_extendhisi2_disp_mem): Add new insns and two new related
+ peephole2 patterns.
+
+2012-08-14 Steven Bosscher <steven@gcc.gnu.org>
+
+ * graphite-scop-detection.c (create_sese_edges): Compute dominance
+ info before trying to fix loop structure.
+ * cfgloopmanip.c (fix_loop_structure): Require fast DOM queries.
+ * tree-cfgcleanup.c (repair_loop_structures): Likewise.
+ * cfgloop.c (verify_loop_structure): Verify loop fathers.
+
+ * dominance.c (init_dom_info): Use gcc_checking_assert, not gcc_assert.
+ (dom_convert_dir_to_idx, compute_dom_fast_query,
+ get_immediate_dominator, set_immediate_dominator, get_dominated_by,
+ redirect_immediate_dominators, nearest_common_dominator,
+ (dominated_by_p, bb_dom_dfs_in, bb_dom_dfs_out, recompute_dominator,
+ iterate_fix_dominators, add_to_dominance_info,
+ delete_from_dominance_info): Likewise.
+
+2012-08-14 Richard Guenther <rguenther@suse.de>
+
+ * cfgexpand.c (expand_used_vars): Use virtual_operand_p.
+ * gimple-pretty-print.c (dump_phi_nodes): Likewise.
+ * gimple-streamer-out.c (output_bb): Likewise.
+ * graphite-sese-to-poly.c (scalar_close_phi_node_p): Likewise.
+ (rewrite_reductions_out_of_ssa): Likewise.
+ (rewrite_commutative_reductions_out_of_ss): Likewise.
+ * ipa-split.c (verify_non_ssa_vars): Likewise.
+ (consider_split): Likewise.
+ (visit_bb): Likewise.
+ (split_function): Likewise.
+ * lto-streamer-out.c (output_ssa_names): Likewise.
+ * sese.c (rename_uses): Likewise.
+ * tree-cfg.c (replace_uses_by): Likewise.
+ (gimple_merge_blocks): Likewise.
+ (gimple_cfg2dot): Likewise.
+ (verify_gimple_phi): Likewise.
+ (replace_ssa_name): Likewise.
+ (move_block_to_fn): Likewise.
+ * tree-eh.c (cleanup_empty_eh_merge_phis): Likewise.
+ * tree-if-conv.c (if_convertible_phi_p): Likewise.
+ (predicate_scalar_phi): Likewise.
+ * tree-inline.c (update_ssa_across_abnormal_edges): Likewise.
+ (copy_phis_for_bb): Likewise.
+ * tree-loop-distribution.c (generate_loops_for_partition): Likewise.
+ (destroy_loop): Likewise.
+ * tree-outof-ssa.c (eliminate_useless_phis): Likewise.
+ (insert_backedge_copies): Likewise.
+ * tree-parloops.c (transform_to_exit_first_loop): Likewise.
+ (gather_scalar_reductions): Likewise.
+ (try_create_reduction_list): Likewise.
+ * tree-scalar-evolution.c (analyze_scalar_evolution_for_all_loop_ph):
+ Likewise.
+ (scev_const_prop): Likewise.
+ * tree-ssa-ccp.c (debug_lattice_value): Likewise.
+ (get_default_value): Likewise.
+ (ccp_initialize): Likewise.
+ * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
+ * tree-ssa-copy.c (may_propagate_copy): Likewise.
+ (init_copy_prop): Likewise.
+ * tree-ssa-dce.c (propagate_necessity): Likewise.
+ (remove_dead_phis): Likewise.
+ (forward_edge_to_pdom): Likewise.
+ (eliminate_unnecessary_stmts): Likewise.
+ * tree-ssa-live.c (partition_view_init): Likewise.
+ (remove_unused_locals): Likewise.
+ (register_ssa_partition_check): Likewise.
+ * tree-ssa-loop-im.c (movement_possibility): Likewise.
+ (move_computations_stmt): Likewise.
+ * tree-ssa-loop-ivopts.c (determine_biv_step): Likewise.
+ (record_invariant): Likewise.
+ (find_interesting_uses_outside): Likewise.
+ (determine_set_costs): Likewise.
+ * tree-ssa-loop-manip.c (add_exit_phis_var): Likewise.
+ (find_uses_to_rename_use): Likewise.
+ (check_loop_closed_ssa_use): Likewise.
+ (rewrite_phi_with_iv): Likewise.
+ (canonicalize_loop_ivs): Likewise.
+ * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
+ * tree-ssa-phiopt.c (hoist_adjacent_loads): Likewise.
+ * tree-ssa-pre.c (make_values_for_phi): Likewise.
+ (compute_avail): Likewise.
+ (eliminate): Likewise.
+ * tree-ssa-propagate.c (substitute_and_fold): Likewise.
+ * tree-ssa-reassoc.c (phi_rank): Likewise.
+ * tree-ssa-strlen.c (strlen_enter_block): Likewise.
+ * tree-ssa-structalias.c (compute_points_to_sets): Likewise.
+ (ipa_pta_execute): Likewise.
+ * tree-ssa-tail-merge.c (same_succ_hash): Likewise.
+ (release_last_vdef): Likewise.
+ (same_phi_alternatives_1): Likewise.
+ (bb_has_non_vop_phi): Likewise.
+ (vop_phi): Likewise.
+ * tree-ssa-threadedge.c (record_temporary_equivalences_from_phis):
+ Likewise.
+ * tree-ssa-uninit.c (warn_uninitialized_phi): Likewise.
+ (execute_late_warn_uninitialized): Likewise.
+ * tree-ssa.c (verify_ssa_name): Likewise.
+ (verify_phi_args): Likewise.
+ (verify_ssa): Likewise.
+ * tree-stdarg.c (execute_optimize_stdarg): Likewise.
+ * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
+ Likewise.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ (vect_can_advance_ivs_p): Likewise.
+ (vect_update_ivs_after_vectorizer): Likewise.
+ * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Likewise.
+ * tree-vrp.c (remove_range_assertions): Likewise.
+ * value-prof.c (gimple_divmod_values_to_profile): Likewise.
+
+2012-08-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54146
+ * tree-ssa-pre.c (do_regular_insertion): Use a VEC
+ indexed by pred edge index for avail.
+ (do_partial_partial_insertion): Likewise.
+ (insert_into_preds_of_block): Adjust.
+
+2012-08-14 Richard Guenther <rguenther@suse.de>
+
+ * gimplify.c (create_tmp_from_val): Mark temporary with
+ DECL_GIMPLE_REG_P here ...
+ (internal_get_tmp_var): ... instead of here. If we go into
+ SSA create an SSA name instead of a VAR_DECL.
+ (gimplify_modify_expr): Do not create SSA names here, assert
+ we already got them.
+ (force_gimple_operand_1): Create an SSA name if we go into SSA.
+ * sese.c (rename_uses): Simplify.
+
+2012-08-14 Richard Guenther <rguenther@suse.de>
+
+ * tree-into-ssa.c: Include diagnostic-core.h.
+ * Makefile.in (tree-into-ssa.o): Adjust.
+
+2012-08-14 Richard Guenther <rguenther@suse.de>
+
+ * tree-into-ssa.c (update_ssa): Verify we do not rename
+ symbols that are already partly in SSA form.
+
+2012-08-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/53411
+ PR rtl-optimization/53495
+ * ira.c (ira): Move delete_trivially_dead_insns call before
+ find_moveable_pseudos call.
+
+2012-08-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-ssa-pre.c (do_regular_insertion): Add FIXME markers at points
+ of potentially huge memset overhead.
+ (do_partial_partial_insertion): Likewise.
+ * cfgexpand.c (gimple_expand_cfg): Use XCNEWVEC instead of xcalloc.
+ * tree-vrp.c (find_assert_locations): Use XNEWVEC instead of XCNEWVEC
+ for arrays to be filled by pre_and_rev_post_order_compute. Allocate
+ the right number of slots, not that number plus NUM_FIXED_BLOCKS.
+ * tree-ssa-reassoc.c (init_reassoc): Likewise.
+ * cfganal.c (dfs_enumerate_from): Use XNEWVEC instead of XCNEWVEC for
+ array used as stack.
+ * tree-ssa-sccvn.c (init_scc_vn): Use XNEWVEC instead of XCNEWVEC for
+ arrays to be filled by pre_and_rev_post_order_compute.
+ * cfgloopmanip.c (find_path): Use XNEWVEC instead of XCNEWVEC for
+ array to be filled by dfs_enumerate_from.
+ (remove_path): Likewise.
+ (duplicate_loop_to_header_edge): Use XNEWVEC instead of XCNEWVEC for
+ array of loops that is filled on the next lines.
+ * cfgloop.c (get_loop_body): Use XNEWVEC instead of XCNEWVEC for
+ array of basic blocks to be returned.
+ (get_loop_body_in_dom_order): Likewise.
+ (get_loop_body_in_bfs_order): Likewise.
+ * tree-ssa-loop-manip.c (loop_renamer_obstack): New static obstack
+ for all bitmaps used for rewriting into loop-closed SSA form.
+ (add_exit_phis_var): Allocate the def bitmap on it. Clear the livein
+ bitmap at the end to release a lot of memory.
+ (add_exit_phis): Allocate the exits bitmap on the new obstack.
+ (get_loops_exits): Allocate the exits bitmap on the new obstack.
+ (find_uses_to_rename_use): Allocate a use_blocks bitmap if ver is
+ seen for the first time.
+ (find_uses_to_rename): Add "???" for why the whole function must
+ be re-scanned if changed_bbs is empty.
+ (rewrite_into_loop_closed_ssa): Allocate bitmaps on the new obstack.
+ Use XNEWVEC to allocate the use_blocks array. Initialize the new
+ obstack, and free it at the end. Remove loop over all SSA names.
+ (check_loop_closed_ssa_stmt): Look only at SSA_OP_USE operands.
+ * tree-cfg.c (move_sese_region_to_fn): Use XNEWVEC instead of
+ xcalloc to allocate edge_pred and edge_flag arrays.
+
+2012-08-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (FIXED_REGISTERS): Do not mark REX registers here.
+ (CALL_USED_REGISTERS): Use bitmaps to mark call-used registers
+ for different ABIs.
+ (enum reg_class): Move CLOBBERED_REGS just before GENERAL_REGS.
+ (REG_CLASS_NAMES): Update.
+ (REG_CLASS_CONTENTS): Update. Clear CLOBBERED_REGS members.
+ * config/i386/i386.c (ix86_conditional_register_usage): Disable
+ REX registers on 32bit targets. Handle bitmaps from
+ CALL_USED_REGISTERS initializer. Calculate CLOBBERED_REGS register
+ set from GENERAL_REGS also for 32bit targets. Do not change call
+ used register set for TARGET_64BIT_MS_ABI separately.
+
+2012-08-13 Richard Guenther <rguenther@suse.de>
+
+ * basic-block.h (struct basic_block): Remove loop_depth
+ member, move flags and index members next to each other.
+ * cfgloop.h (bb_loop_depth): New inline function.
+ * cfghooks.c (split_block): Do not set loop_depth.
+ (duplicate_block): Likewise.
+ * cfgloop.c (flow_loop_nodes_find): Likewise.
+ (flow_loops_find): Likewise.
+ (add_bb_to_loop): Likewise.
+ (remove_bb_from_loops): Likewise.
+ * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
+ * gimple-streamer-in.c (input_bb): Do not stream loop_depth.
+ * gimple-streamer-out.c (output_bb): Likewise.
+ * bt-load.c: Include cfgloop.h.
+ (migrate_btr_defs): Use bb_loop_depth.
+ * cfg.c (dump_bb_info): Likewise.
+ * final.c (compute_alignments): Likewise.
+ * ira.c (update_equiv_regs): Likewise.
+ * tree-ssa-copy.c (init_copy_prop): Likewise.
+ * tree-ssa-dom.c (loop_depth_of_name): Likewise.
+ * tree-ssa-forwprop.c: Include cfgloop.h.
+ (forward_propagate_addr_expr): Use bb_loop_depth.
+ * tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
+ * tree-ssa-sink.c (select_best_block): Likewise.
+ * ipa-inline-analysis.c: Include cfgloop.h.
+ (estimate_function_body_sizes): Use bb_loop_depth.
+ * Makefile.in (tree-ssa-forwprop.o): Depend on $(CFGLOOP_H).
+ (ipa-inline-analysis.o): Likewise.
+ (bt-load.o): Likewise.
+
+2012-08-13 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR driver/54210
+ * config/i386/driver-i386.c (host_detect_local_cpu): Test bit_PRFCHW
+ bit of CPUID 0x80000001 %ecx instead of CPUID 7 %ecx.
+ * config/i386/cpuid.h (bits_PRFCHW): Move definition to CPUID
+ 0x80000001 %ecx flags.
+
+2012-08-13 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (print_loop): Avoid ICEing for loops marked for
+ removal and loops with multiple latches.
+
+2012-08-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/53968
+ * tree.c (integer_pow2p): Avoid undefined signed overflows.
+ * simplify-rtx.c (neg_const_int): Likewise.
+ * expr.c (fixup_args_size_notes): Likewise.
+ * stor-layout.c (set_min_and_max_values_for_integral_type): Likewise.
+ * double-int.c (mul_double_wide_with_sign): Likewise.
+ (double_int_mask): Likewise.
+ * tree-ssa-loop-ivopts.c (get_address_cost): Likewise.
+
+2012-08-13 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54200
+ * tree-ssa-copyrename.c (rename_ssa_copies): Do not add
+ PHI results to another partition if not all PHI arguments
+ have the same partition.
+
+2012-08-12 Jan Hubicka <jh@suse.cz>
+
+ * tree-pass.h (write_summary, write_optimization_summary): Remove
+ set and vset arguments.
+ * ipa-cp.c (ipcp_write_summary): Remove set and vset arugments.
+ (write_node_summary_p): Likewise; use the encoder.
+ (ipa_reference_write_optimization_summary): Likewise.
+ * lto-cgraph.c (output_cgraph_opt_summary): Use encoder.
+ (lto_symtab_encoder_new): Initialize in_partition field.
+ (lto_symtab_encoder_delete): Destroy in_partition field.
+ (LCC_NOT_FOUND): Move to lto-streamer.h
+ (lto_symtab_encoder_deref): Likewise.
+ (lto_symtab_encoder_in_partition_p,
+ lto_set_symtab_encoder_in_partition): New functions.
+ (referenced_from_other_partition_p): Rewrite to use encoder.
+ (reachable_from_other_partition_p): Likewise.
+ (referenced_from_this_partition_p): Likewise.
+ (reachable_from_this_partition_p): Likewise.
+ (lto_output_node): Likewise.
+ (lto_output_varpool_node): Likewise.
+ (output_refs): Likewise.
+ (compute_ltrans_boundary): Initialize in_partition fileds of
+ the encoder.
+ (output_symtab): Likewise.
+ (input_refs): Match the changes in output_refs.
+ (output_cgraph_opt_summary_p): Remove set argument.
+ (output_node_opt_summary): Replace set by encoder.
+ (output_cgraph_opt_summary): Remove set argument; use
+ the encoder.
+ * ipa-pure-const.c (pure_const_write_summary): Remove set and vset
+ arguments; use the encoder.
+ * lto-streamer-out.c (lto_output): Remove set and vset argument; use
+ the encoder.
+ (produce_symtab): Likewise.
+ * ipa-inline.h (inline_write_summary): Remove set and vset arguments.
+ * ipa-inline-analysis.c (inline_write_summary): Likewise.
+ * ipa-prop.c (ipa_prop_write_jump_functions): Remove set argument;
+ use encoder.
+ * ipa-prop.h (ipa_prop_write_jump_functions): Likewise.
+ * passes.c (ipa_write_summaries_2): Remove set and vset arguments.
+ (ipa_write_summaries_1): Update.
+ (ipa_write_optimization_summaries_1): Likewise.
+ (ipa_write_optimization_summaries): Likewise.
+ * lto-streamer.h (lto_symtab_encoder_t): Add in_partition.
+ (lto_symtab_encoder_iterator): New type.
+ (lto_symtab_encoder_deref): Make inline.
+ (output_symtab, referenced_from_other_partition_p,
+ reachable_from_other_partition_p, referenced_from_this_partition_p,
+ reachable_from_this_partition_p): Update.
+ (lsei_end_p, lsei_next, lsei_node, lsei_cgraph_node,
+ lsei_varpool_node): New inline functions.
+ (LCC_NOT_FOUND): New macro.
+ (lto_symtab_encoder_deref, lsei_start, lsei_next_in_partition,
+ lsei_start_in_partition, lsei_next_function_in_partition,
+ lsei_start_function_in_partition, lsei_next_variable_in_partition,
+ lsei_start_variable_in_partition): New inline functions.
+
+2012-08-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md (prefetch): Simplify expander. Fix condition to
+ allow SH3.
+ (*prefetch_media): Move insn below expander.
+ (*prefetch): Fix condition to allow SH3.
+
+2012-08-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md: Add splits for inverted compare and branch
+ opportunities.
+ (*cmpeqsi_t): New insn.
+ (cmpgtsi_t, cmpgesi_t): Swap r and N alternatives.
+ (cmpgeusi_t): Use satisfies_constraint_Z. Emit sett insn in
+ replacement insn list and not in the preparation statements.
+ (clrt, sett): Add mt_group attribute.
+
+2012-08-12 Marc Glisse <marc.glisse@inria.fr>
+
+ PR middle-end/54193
+ * gimple-pretty-print.c (dump_ternary_rhs): Handle 4 arguments.
+
+2012-08-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/39423
+ * config/sh/predicates.md (mem_index_disp_operand): Check for
+ arith_reg_operand instead of REG_P.
+
+2012-08-11 Bernd Schmidt <bernds@codesourcery.com>
+
+ * reload1.c (replaced_subreg, gen_reload): Add
+ SECONDARY_MEMORY_NEEDED ifdefs as necessary.
+
+2012-08-11 Jan Hubicka <jh@suse.cz>
+
+ * lto-section-in.c (lto_section_name): Do not use "symtab" as part of
+ symtab_node sectoin name; it confuses plugin.
+
+2012-08-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Shift DECL_UID
+ index in the va_list_vars bitmap by num_ssa_names.
+
+2012-08-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (xop integer multiply/add insns): Use
+ register_operand for operand 3 predicate.
+ (xop_phadd<u>bq): Fix vec_select selectors.
+
+2012-08-11 Martin Jambor <mjambor@suse.cz>
+
+ PR fortran/48636
+ * ipa-inline.h (condition): New fields offset, agg_contents and by_ref.
+ * ipa-inline-analysis.c (agg_position_info): New type.
+ (add_condition): New parameter aggpos, also store agg_contents, by_ref
+ and offset.
+ (dump_condition): Also dump aggregate conditions.
+ (evaluate_conditions_for_known_args): Also handle aggregate
+ conditions. New parameter known_aggs.
+ (evaluate_properties_for_edge): Gather known aggregate contents.
+ (inline_node_duplication_hook): Pass NULL known_aggs to
+ evaluate_conditions_for_known_args.
+ (unmodified_parm): Split into unmodified_parm and unmodified_parm_1.
+ (unmodified_parm_or_parm_agg_item): New function.
+ (set_cond_stmt_execution_predicate): Handle values passed in
+ aggregates.
+ (set_switch_stmt_execution_predicate): Likewise.
+ (will_be_nonconstant_predicate): Likewise.
+ (estimate_edge_devirt_benefit): Pass new parameter known_aggs to
+ ipa_get_indirect_edge_target.
+ (estimate_calls_size_and_time): New parameter known_aggs, pass it
+ recrsively to itself and to estimate_edge_devirt_benefit.
+ (estimate_node_size_and_time): New vector known_aggs, pass it o
+ functions which need it.
+ (remap_predicate): New parameter offset_map, use it to remap aggregate
+ conditions.
+ (remap_edge_summaries): New parameter offset_map, pass it recursively
+ to itself and to remap_predicate.
+ (inline_merge_summary): Also create and populate vector offset_map.
+ (do_estimate_edge_time): New vector of known aggregate contents,
+ passed to functions which need it.
+ (inline_read_section): Stream new fields of condition.
+ (inline_write_summary): Likewise.
+ * ipa-cp.c (ipa_get_indirect_edge_target): Also examine the aggregate
+ contents. Let all local callers pass NULL for known_aggs.
+
+2012-08-11 Jan Hubicka <jh@suse.cz>
+
+ * lto-cgraph.c (output_cgraph): Rename to ...
+ (output_symtab): ... this one. Update for LTO_section_symtab_nodes.
+ (input_cgraph): Rename to ...
+ (input_symtab): ... this one. Update for LTO_section_symtab_nodes.
+ * lto-streamer-out.c (create_output_block): Do not set
+ section_type.
+ (produce_asm): Likewise.
+ (lto_output_toplevel_asms): Likewise.
+ (produce_asm_for_decls): Likewise.
+ (lto_output): Use output_symtab.
+ * lto-section-in.c (lto_section_name): Update.
+ * lto-section-out.c (lto_destroy_simple_output_block): Remove
+ section_type.
+ * lto-streamer.h (enum lto_section_type): Remove LTO_section_varpool;
+ rename LTO_section_cgraph to LTO_section_symtab_nodes.
+ (struct lto_header): Remove section_type.
+
+2012-08-11 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h (vector types for symtab_node): Add.
+ * ipa-reference.c (ipa_reference_write_optimization_summary): Update
+ for new symtab encoder.
+ (ipa_reference_read_optimization_summary): Likewise.
+ * lto-cgraph.c (output_varpool): Remove.
+ (input_cgraph_opt_summary): Take symtab nodes vector as argument.
+ (LTO_cgraph_tags): Rename to ...
+ (LTO_symtab_tags): ... this one; add LTO_symtab_variable.
+ (lto_cgraph_encoder_new): Rename to ...
+ (lto_symtab_encoder_new): ... this on.
+ (lto_cgraph_encoder_encode): Rename to ...
+ (lto_symtab_encoder_encode): ... this one.
+ (lto_cgraph_encoder_delete): Rename to ...
+ (lto_symtab_encoder_delete): ... this one.
+ (lto_cgraph_encoder_deref): Rename to ...
+ (lto_symtab_encoder_deref): ... this one.
+ (lto_cgraph_encoder_encode_body_p): Rename to ...
+ (lto_symtab_encoder_encode_body_p): ... this one.
+ (lto_varpool_encoder_new, lto_varpool_encoder_delete,
+ lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
+ lto_varpool_encoder_deref): Remove.
+ (lto_varpool_encoder_encode_initializer_p): Rename to ...
+ (lto_symtab_encoder_encode_initializer_p): ... this one.
+ (lto_set_varpool_encoder_encode_initializer): Rename to ...
+ (lto_set_symtab_encoder_encode_initializer): ... this one.
+ (lto_output_edge): Update.
+ (lto_output_node): Update.
+ (lto_output_varpool_node): Update; stream out LTO_symtab_variable tag.
+ (lto_output_ref): Drop varpool_encoder; update.
+ (add_node_to): Update.
+ (add_references): Update.
+ (output_outgoing_cgraph_edges): Update.
+ (output_refs): Update.
+ (compute_ltrans_boundary): Update.
+ (output_cgraph): Update; output varpools too.
+ (input_overwrite_node): Update.
+ (output_varpool): Remove.
+ (input_node): Update.
+ (input_ref): Update.
+ (input_edge): Update.
+ (input_cgraph_1): Update; input varpool too; unify fixup code.
+ (input_varpool_1): Remove.
+ (input_refs): Update.
+ (input_cgraph): Update.
+ (output_node_opt_summary): Update.
+ (input_cgraph_opt_section): Update.
+ (input_cgraph_opt_summary): Update.
+ * ipa-pure-const.c (pure_const_write_summary): Update.
+ (pure_const_read_summary): Update.
+ * lto-streamer-out.c (lto_write_tree): Update.
+ (lto_output): Likewise.
+ (produce_symtab): Update.
+ (produce_asm_for_decls): Update.
+ * ipa-inline-analysis.c (inline_read_section): Update.
+ (inline_write_summary): Update.
+ * ipa-prop.c (ipa_write_node_info): Update.
+ (ipa_prop_read_section): Update.
+ * lto-streamer.h (lto_cgraph_encoder_d): Rename to ...
+ (lto_symtab_encoder_d): ... this one; add initializer.
+ (lto_cgraph_encoder_t): Rename to ...
+ (lto_symtab_encoder_t): ... this one.
+ (lto_cgraph_encoder_size): Rename to ...
+ (lto_symtab_encoder_size): ... this one.
+ (lto_varpool_encoder_d): ... remove.
+ (lto_varpool_encoder_t): Remove.
+ (lto_out_decl_state): Remove cgraph_node_encoder, varpool_node_encoder
+ add symtab_node_encoder.
+ (lto_file_decl_data): Likewise.
+ (lto_cgraph_encoder_deref, lto_cgraph_encoder_lookup,
+ lto_cgraph_encoder_new, lto_cgraph_encoder_encode,
+ lto_cgraph_encoder_delete, lto_cgraph_encoder_encode_body_p,
+ lto_varpool_encoder_encode_body_p, lto_varpool_encoder_deref,
+ lto_varpool_encoder_lookup, lto_varpool_encoder_new,
+ lto_varpool_encoder_encode, lto_varpool_encoder_delete,
+ lto_varpool_encoder_encode_initializer_p): Remove.
+ (lto_symtab_encoder_deref, lto_symtab_encoder_lookup,
+ lto_symtab_encoder_t, lto_symtab_encoder_encode,
+ lto_symtab_encoder_delete, lto_symtab_encoder_encode_body_p,
+ lto_symtab_encoder_encode_initializer_p): New.
+
+2012-08-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (isa): Add fma and fma4.
+ (enabled): Handle fma and fma4.
+ * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
+ (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
+ (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
+ (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
+ (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
+ (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
+
+2012-08-10 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
+ *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
+ *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
+
+2012-08-10 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (simple LEA peephole2s): Add zero-extend
+ variants of PLUS and MULT simple LEA patterns. Disable PLUS
+ patterns for TARGET_OPT_AGU.
+
+2012-08-10 Richard Guenther <rguenther@suse.de>
+
+ * Makefile.in (OBJS): Remove matrix-reorg.o.
+ (matrix-reorg.o): Remove dependence rule.
+ (GTFILES): Remove matrix-reorg.c.
+ * matrix-reorg.c: Remove.
+ * passes.c (init_optimization_passes): Do not schedule
+ pass_ipa_matrix_reorg.
+ * tree-pass.h (pass_ipa_matrix_reorg): Remove.
+ * common.opt (fipa-matrix-reorg): Stub out.
+ * doc/invoke.texi (fipa-matrix-reorg): Remove documentation.
+
+2012-08-10 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/54219
+ * fold-const.c (fold_ternary_loc): Do not reverse the mask
+ when canonicalizing it when folding VEC_PERM_EXPR.
+
+2012-08-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR middle-end/54211
+ * gimple-ssa-strength-reduction.c (analyze_candidates_and_replace):
+ Use cand_type to determine whether pointer arithmetic will be generated.
+
+2012-08-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ * doc/sourcebuild.texi: Document long_neq_int effective target.
+
+2012-08-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54109
+ * tree-ssa-forwprop.c
+ (forward_propagate_addr_into_variable_array_index): Remove.
+ (forward_propagate_addr_expr_1): Adjust.
+
+2012-08-10 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (dump_function_to_file): Make sure to dump
+ anonymous SSA names when there are no local decls.
+
+2012-08-10 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-ssa-pre.c (alloc_expression_id): Fix use of VEC_reserve.
+ * tree-into-ssa.c (get_ssa_name_ann): Likewise.
+ (mark_phi_for_rewrite): Likewise.
+ (compute_global_livein): Use VEC_reserve outside the innermost
+ loop and VEC_quick_push instead of VEC_safe_push in that loop.
+ (update_ssa): Re-organize to avoid unnecessary sbitmap_zero'ing
+ of new_ssa_names and old_ssa_names. Allocate phis_to_rewrite to
+ the correct initial size.
+
+2012-08-10 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-pre.c (pretemp, storetemp, prephitemp): Remove.
+ (need_creation): Remove.
+ (get_representative_for): Use anonymous named SSA names.
+ (create_expression_by_pieces): Likewise.
+ (insert_into_preds_of_block): Likewise.
+ (init_pre): Do not init removed vars.
+ (fini_pre): Do not free need_creation.
+ * tree-ssa-forwprop.c (simplify_bitwise_binary): Use anonymous
+ SSA names.
+ * tree-ssa-loop-manip.c (create_iv): Likewise.
+ * value-prof.c (gimple_divmod_fixed_value): Likewise.
+ (gimple_mod_pow2): Likewise.
+ (gimple_mod_subtract): Likewise.
+ (gimple_ic): Likewise.
+ (gimple_stringop_fixed_value): Likewise.
+ * tree-ssa-phiopt.c (condstoretemp): Remove.
+ (tree_ssa_phiopt_worker): Use anonymous named SSA names.
+ (conditional_replacement): Likewise.
+ (abs_replacement): Likewise.
+ (cond_store_replacement): Likewise.
+ (cond_if_else_store_replacement_1): Likewise.
+ * tree-ssa-loop-im.c (rewrite_reciprocal): Likewise.
+ (rewrite_bittest): Likewise.
+ * tree-ssa-reassoc.c (build_and_add_sum): Get type from callers
+ and build anonymous SSA names.
+ (undistribute_ops_list): Adjust.
+ (eliminate_redundant_comparison): Use anonymous SSA names.
+ (rewrite_expr_tree_parallel): Likewise.
+ (get_reassoc_pow_ssa_name): Remove.
+ (attempt_builtin_powi): Adjust.
+ (reassociate_bb): Likewise.
+ * tree-ssa-strlen.c (get_string_length): Use anonymous SSA names.
+ * tree-switch-conversion.c (emit_case_bit_tests): Likewise.
+ (build_arrays): Likewise.
+ * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
+ (create_tailcall_accumulator): Likewise.
+ * tree-vect-generic.c (expand_vector_divmod): Likewise.
+ * tree-profile.c (gcov_type_tmp_var): Remove.
+ (gimple_init_edge_profiler): Do not initialize it and use anonymous
+ SSA names.
+ (gimple_gen_ic_profiler): Likewise.
+ (tree_profiling): Adjust.
+ * tree-sra.c (build_ref_for_offset): Use anonymous SSA names.
+ * tree-ssa-math-opts.c (execute_cse_sincos_1): Likewise.
+ (powi_as_mults_1): Likewise.
+ (powi_as_mults): Likewise.
+ (build_and_insert_call): Adjust.
+ (build_and_insert_binop): Likewise.
+ (build_and_insert_ref): Likewise.
+ (build_and_insert_cast): Likewise.
+ (gimple_expand_builtin_pow): Likewise.
+ (gimple_expand_builtin_cabs): Likewise.
+ (execute_optimize_bswap): Use anonymous SSA names.
+ (convert_mult_to_widen): Likewise.
+ (convert_plusminus_to_widen): Likewise.
+ * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
+ * tree-ssa-propagate.c (update_call_from_tree): Likewise.
+ * tree-if-conv.c (ifc_temp_var): Likewise.
+ * tree-loop-distribution.c (generate_memset_builtin): Likewise.
+ * tree-parloops.c (take_address_of): Likewise.
+ * tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
+ (vect_permute_load_chain): Likewise.
+ * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Likewise.
+ * tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
+ (vect_handle_widen_op_by_const): Likewise.
+ (vect_operation_fits_smaller_type): Likewise.
+ (vect_recog_over_widening_pattern): Likewise.
+ * tree-vect-stmts.c (vect_init_vector): Likewise.
+ * tree-vrp.c (simplify_truth_ops_using_ranges): Likewise.
+ (simplify_float_conversion_using_ranges): Likewise.
+
+2012-08-10 Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * config/i386/i386.c (ix86_init_mmx_sse_builtins): Fix
+ target mask of __builtin_ia32_rdseed_di_step builtin.
+
+2012-08-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54027
+ * tree-vrp.c (extract_range_from_binary_expr_1): Merge RSHIFT_EXPR
+ and LSHIFT_EXPR handling, force -fwrapv for the multiplication used
+ to handle LSHIFT_EXPR with a constant.
+
+2012-08-10 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (SSA_NAME_VAR): Return NULL_TREE if an IDENTIFIER_NODE
+ is recorded as var.
+ (SSA_NAME_IDENTIFIER): Return the IDENTIFIER_NODE of the SSA_NAME
+ or its SSA_NAME_VAR.
+ (SET_SSA_NAME_VAR_OR_IDENTIFIER): New setter.
+ * tree-ssanames.c (make_ssa_name_fn): Handle creating anonymous
+ SSA names by passing a type instead of a variable decl.
+ (release_ssa_name): Use SET_SSA_NAME_VAR_OR_IDENTIFIER.
+ (copy_ssa_name_fn): Handle anonymous SSA names.
+ (replace_ssa_name_symbol): Use SET_SSA_NAME_VAR_OR_IDENTIFIER.
+ * tree-flow-inline.h (make_temp_ssa_name): New inline function.
+ * tree-pretty-print.c (dump_generic_node): Use SSA_NAME_IDENTIFIER,
+ dump SSA names without a name as <anon>.
+ * cfgexpand.c (expand_used_vars): Assing anonymous SSA names we are
+ going to expand a decl.
+ (gimple_expand_cfg): Assign all SSA names of a partition the
+ decl we created for its leader.
+ * tree-ssa.c (target_for_debug_bind): Handle SSA_NAMEs.
+ (verify_ssa_name): Handle anonymous SSA names.
+ (verify_def): Likewise.
+ * tree-predcom.c (eliminate_temp_copies): Likewise.
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
+ * tree-ssa-live.c (var_map_base_init): Compute conflicts for
+ anonymous SSA names with the same type.
+ (mark_all_vars_used_1): Handle anonymous SSA names.
+ (verify_live_on_entry): Likewise.
+ * tree-ssa-coalesce.c (abnormal_corrupt): Remove.
+ (create_outofssa_var_map): Adjust with respect to conflicts we
+ compute for anonymous SSA names. Do not restrict abnormal
+ coalescing.
+ (coalesce_partitions): Do not restrict abnormal coalescing.
+ Assert we only ever coalesce variables we computed conflicts for.
+ * tree-ssa-ter.c (process_replaceable): Do not restrict TER
+ of anonymous names.
+ * expr.c (expand_expr_real_1): Handle anonymous SSA names
+ expanded from IVOPTs by creating a raw REG here.
+ * tree-cfg.c (replace_ssa_name): Handle anonymous SSA names.
+ (dump_function_to_file): Dump anonymous SSA names alongside
+ with their types in the variable list.
+ (verify_gimple_return): Guard use of SSA_NAME_VAR.
+ * tree-into-ssa.c (mark_for_renaming): Handle a NULL symbol.
+ (rewrite_into_ssa): Make SSA names anonymous.
+ * tree-ssa-structalias.c (alias_get_name): Rewrite.
+ * tree-ssa-uninit.c (ssa_undefined_value_p): Handle anonymous
+ SSA names.
+ (warn_uninitialized_phi): Likewise.
+ * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Defer expanding
+ anonymous SSA names to the expander.
+ (determine_iv_cost): Anonymous SSA names are artificial.
+ * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
+ Handle anonymous SSA names.
+ * lto-streamer-out.c (output_ssa_names): Stream SSA_NAME_VAR
+ or if NULL, the type of the SSA name.
+ * tree-inline.c (remap_ssa_name): Handle anonymous SSA names,
+ remap names as anonymous where appropriate.
+ (insert_init_stmt): Pass SSA names down to insert_init_debug_bind.
+ * tree-ssa-uncprop.c (uncprop_into_successor_phis): Adjust
+ according to what we create conflicts for in out-of-SSA
+ coalescing.
+ * tree-parloops.c (separate_decls_in_region_name): Handle
+ anonymous SSA names.
+ (add_field_for_name): Likewise.
+ * tree.c (get_name): Handle SSA names.
+ * tree-ssa-loop-im.c (gen_lsm_tmp_name): Defer to get_name for
+ SSA_NAMEs.
+ * tree-vect-loop-manip.c (adjust_debug_stmts): Use
+ virtual_operand_p.
+ * tree-sra.c (create_access_replacement): Give up generating
+ a DECL_DEBUG_EXPR for SSA names in the memory reference.
+ (replace_removed_params_ssa_names): Guard use of SSA_NAME_VAR.
+ * tree-complex.c (get_component_ssa_name): Handle anonymous
+ SSA names.
+ (set_component_ssa_name): Likewise.
+ * tree-ssa-sccvn.c (visit_reference_op_load): Likewise.
+ * tree-object-size.c (collect_object_sizes_for): Handle
+ uninitialized SSA names properly.
+ * ipa-inline-analysis.c (eliminated_by_inlining_prob): Guard use of
+ SSA_NAME_VAR.
+ * ipa-split.c (test_nonssa_use): Likewise.
+ (consider_split): Likewise.
+ (mark_nonssa_use): Likewise.
+
+2012-08-09 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/54146
+ * ipa-inline-transform.c (inline_call): Add UPDATE_OVERALL_SUMMARY
+ parameter; honnor it.
+ * ipa-inline.c (recursive_inlining): Update call
+ of inline_call.
+ (inline_small_functions): Likewise.
+ (ipa_inline): Likewise.
+ (inline_always_inline_functions): Likewise.
+ (early_inline_small_functions): Likewise.
+ (flatten_function): Do separate update of summary info.
+ * ipa-inline.h (inline_update_overall_summary): Declare.
+ (inline_call): Update.
+ * ipa-inline-analysis.c (inline_merge_summary): Break out
+ updating code to ...
+ (inline_update_overall_summary): Likewise.
+
+2012-08-09 Richard Henderson <rth@redhat.com>
+
+ * config/s390/s390.c (s390_expand_insv): Use VOIDmode in gen_rtx_SET.
+
+ * config/s390/s390.c (s390_expand_cs_hqi): Copy val to a temp before
+ performing the compare for the restart loop.
+
+2012-08-09 DJ Delorie <dj@redhat.com>
+
+ * config/rl78/rl78.c (rl78_alloc_physical_registers): Check for
+ SET before extracting SET_SRC.
+ (rl78_remove_unused_sets): Check for REG before extractnig REGNO.
+
+2012-08-09 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/sh-protos (shift_insns_rtx): Delete.
+ (sh_ashlsi_clobbers_t_reg_p): Add.
+ * config/sh/sh.c (shift_insns, shift_amounts, ext_shift_insns,
+ ext_shift_amounts): Merge arrays of ints to array of structs.
+ Adapt usage of arrays throughout the file.
+ (shift_insns_rtx): Delete unused function.
+ (sh_ashlsi_clobbers_t_reg_p): New function.
+ * config/sh/sh.md (ashlsi3): Emit ashlsi3_n_clobbers_t insn if the
+ final shift sequence will clobber T_REG.
+ (ashlsi3_n): Split only if the final shift sequence will not
+ clobber T_REG.
+ (ashlsi3_n_clobbers_t): New insn_and_split.
+
+2012-08-09 Steven Bosscher <steven@gcc.gnu.org>
+
+ * calls.c (mem_overlaps_already_clobbered_arg_p): Use SBITMAP_SIZE
+ instead of looking at sbitmap n_bits member directly.
+ * gcse.c (hoist_code): Likewise.
+ * sched-rgn.c (split_edges): Likewise.
+ * tree-into-ssa.c (is_old_name, is_new_name, add_new_name_mapping,
+ update_ssa): Likewise.
+
+2012-08-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (LIMIT_RELOAD_CLASS): Return preferred
+ single unit register class for classes that contain registers form
+ multiple units.
+ (REG_CLASS_CONTENTS): Add missing "frame" register to FLOAT_INT_REGS,
+ INT_SSE_REGS and FLOAT_INT_SSE_REGS register classes.
+
+2012-08-09 Martin Jambor <mjambor@suse.cz>
+
+ * cgraph.h (cgraph_indirect_call_info): Field anc_offse renamd to
+ offset, updated all users. New field agg_contents.
+ * ipa-prop.h (jump_func_type): Removed IPA_JF_CONST_MEMBER_PTR.
+ (ipa_pass_through_data): New field agg_preserved.
+ (ipa_ancestor_jf_data): Likewise.
+ (ipa_member_ptr_cst): Removed.
+ (ipa_agg_jf_item): New type.
+ (ipa_agg_jump_function): Likewise.
+ (ipa_jump_func): New field agg. Removed field member_cst.
+ (ipa_get_jf_pass_through_agg_preserved): New function.
+ (ipa_get_jf_ancestor_agg_preserved): Likewise.
+ (ipa_get_jf_member_ptr_pfn): Removed.
+ (ipa_find_agg_cst_for_param): Declare.
+ (ipa_load_from_parm_agg): Likewise.
+ * ipa-prop.c (param_analysis_info): Fields modified and
+ visited_statements rename to parm_modified and parm_visited_statements
+ respectively, added fields ref_modified, ref_visited_statements,
+ pt_modified and pt_visited_statements.
+ (ipa_print_node_jump_functions_for_edge): Do not dump const member
+ functions. Dump agg_preserved flags and aggregate jump functions.
+ (ipa_set_jf_simple_pass_through): Set also agg_preserved.
+ (ipa_set_ancestor_jf): Likewise.
+ (ipa_set_jf_arith_pass_through): Clear agg_preserved.
+ (ipa_set_jf_member_ptr_cst): Removed.
+ (is_parm_modified_before_stmt): Logic reversed, renamed to
+ parm_preserved_before_stmt_p. Cache visited bitmap only for
+ naked DECL parameters. All callers updated.
+ (load_from_unmodified_param): Allow NULL parms_ainfo.
+ (parm_ref_data_preserved_p): New function.
+ (parm_ref_data_pass_through_p): Likewise.
+ (ipa_load_from_parm_agg_1): Likewise.
+ (ipa_load_from_parm_agg): Likewise.
+ (compute_complex_assign_jump_func): Check if aggregate contents are
+ preserved.
+ (compute_complex_ancestor_jump_func): Likewise.
+ (compute_scalar_jump_functions): Removed.
+ (type_like_member_ptr_p): Also check field position are known and sane.
+ (compute_pass_through_member_ptrs): Removed.
+ (determine_cst_member_ptr): Likewise.
+ (ipa_known_agg_contents_list): New type.
+ (determine_known_aggregate_parts): New function.
+ (compute_cst_member_ptr_arguments): Removed.
+ (ipa_compute_jump_functions_for_edge): Compute all kinds of jump
+ functions (scalar, aggregate and member pointer).
+ (ipa_get_member_ptr_load_param): Incorporate into
+ ipa_get_stmt_member_ptr_load_param, also pass back an offset.
+ (ipa_note_param_call): Clear agg_contents.
+ (ipa_analyze_indirect_call_uses): Also look for simple pointers loaded
+ from aggregates. In such cases, store offset of the called field.
+ (ipa_analyze_node): Initialize new fields of param_analysis_info.
+ (update_jump_functions_after_inlining): Handle aggregate contents.
+ (ipa_find_agg_cst_for_param): New function.
+ (try_make_edge_direct_simple_call): Handle called aggregate values.
+ (update_indirect_edges_after_inlining): Make sure aggregate preserving
+ jump functions comply with type compatibility requirements.
+ (ipa_edge_duplication_hook): Copy also aggregate jump functions.
+ (ipa_write_jump_function): Stream agg_preserved flags and aggregate
+ jump functions. Do not stream member pointer constant jump functions.
+ (ipa_read_jump_function): Likewise.
+ (ipa_write_indirect_edge_info): Stream new cgraph_indirect_call_info
+ fields.
+ (ipa_read_indirect_edge_info): Likewise.
+
+2012-08-09 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/39423
+ * config/sh/predicates.md (mem_index_disp_operand): New predicate.
+ * config/sh/sh.md (*movsi_index_disp): Rewrite insns to use the new
+ mem_index_disp_operand predicate.
+
+2012-08-09 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md: Add negc extu sequence peephole.
+ (movrt, movnegt, movrt_negc, nott): Use t_reg_operand predicate.
+ (*movrt_negc): New insn.
+ * config/sh/sync.md (atomic_test_and_set): Pass gen_t_reg_rtx to
+ gen_movnegt.
+ * config/sh/sh.c (expand_cbranchsi4, sh_emit_scc_to_t,
+ sh_emit_compare_and_branch, sh_emit_compare_and_set): Use
+ get_t_reg_rtx.
+ (sh_expand_t_scc): Pass gen_t_reg_rtx to gen_movnegt.
+
+2012-08-09 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/50751
+ * config/sh/sh.md (*extendqisi2_compact_reg, *extendhisi2_compact_reg):
+ Use arith_reg_operand predicate instead of register_operand.
+ * config/sh/predicates.md (movsrc_no_disp_mem_operand): Accept
+ only mem, simplify.
+
+2012-08-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
+ (alpha_pad_function_end): ... this. Also insert NOP between
+ sibling call and GP load.
+ (alpha_reorg): Update call to alpha_pad_function_end. Expand comment.
+
+2012-08-09 Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * config/i386/adxintrin.h: Remove guarding __ADX__ check.
+ * config/i386/x86intrin.h: Likewise.
+ * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove
+ OPTION_MASK_ISA_ADX from needed options for
+ __builtin_ia32_addcarryx_u32 and __builtin_ia32_addcarryx_u64.
+ (ix86_expand_builtin): Use add<mode>3_carry in expanding of
+ IX86_BUILTIN_ADDCARRYX32 and IX86_BUILTIN_ADDCARRYX64.
+
+2012-08-09 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/53701
+ * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
+ Process not only expr's vinsns but all old vinsns from expr's
+ history of changes.
+ (update_and_record_unavailable_insns): Clarify comment.
+
+2012-08-09 Bernd Schmidt <bernds@codesourcery.com>
+
+ * reload.c (find_valid_class_1): New static function.
+ (push_reload): Use it when reloading a SYMBOL_REG as the inner
+ of a subreg. Keep better track of needed classes for the
+ secondary memory case.
+ * config/i386/i386.h (LIMIT_RELOAD_CLASS): Limit INT_SSE_REGS to
+ GENERAL_REGS.
+ * reload1.c (replaced_subreg): New static function.
+ (gen_reload): Use it when deciding whether to use secondary
+ memory.
+
+2012-08-09 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (SSA_VAR_P): Simplify.
+ * tree-ssanames.c (make_ssa_name_fn): Strengthen assert.
+ * fold-const.c (fold_comparison): Check for default def first
+ before checking for PARM_DECL.
+ * tree-complex.c (get_component_ssa_name): Likewise.
+ * tree-inline.c (remap_ssa_name): Likewise.
+ * tree-ssa-loop-ivopts.c (parm_decl_cost): Likewise.
+ * tree-ssa-structalias.c (get_fi_for_callee): Likewise.
+ (find_what_p_points_to): Likewise.
+ * tree-ssa-operands.c (add_stmt_operand): Simplify.
+
+2012-08-08 Joseph Myers <joseph@codesourcery.com>
+
+ * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
+ IOR to a constant if one operand has side effects.
+
+2012-08-08 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * builtins.c (expand_builtin_atomic_compare_exchange): Pass old
+ value operand as MEM to expand_atomic_compare_and_swap.
+
+ * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Accept
+ nonimmediate_operand for old value; generate load and store if
+ needed.
+ * config/s390/s390.c (s390_expand_cs_hqi): Accept any operand
+ as vtarget.
+
+2012-08-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/54146
+ * gimpify.c (gimplify_body): Only verify_gimple_in_seq with
+ checking enabled.
+ * tree-ssa-loop-manip.c (add_exit_phis_var): Assert that var is
+ a gimple_reg if checking is enabled.
+ (find_uses_to_rename_stmt): Only look at non-virtual USE operands.
+ * tree-into-ssa (compute_global_livein): Change the worklist
+ type from an array to a VEC.
+
+2012-08-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.h (virtual_operand_p): Declare.
+ * tree-ssa-operands.c (virtual_operand_p): New predicate.
+ * gimple.c (is_gimple_reg): Use virtual_operand_p.
+ * tree-into-ssa.c (prepare_block_for_update): Likewise.
+ * tree-vect-loop-manip.c (adjust_debug_stmts): Likewise.
+
+2012-08-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-call-cdce.c (check_pow): Simplify.
+ (gen_conditions_for_pow_int_base): Likewise.
+ * tree-ssa-dom.c (propagate_rhs_into_lhs): Do not handle
+ virtual operands here.
+ * tree-ssa-operands.c (get_name_decl): Remove unused function.
+ * gimplify.c (gimple_regimplify_operands): Remove dead code.
+ * tree-vrp.c (get_value_range): Move SSA_NAME_VAR access.
+ * tree-parloops.c (create_phi_for_local_result): Use copy_ssa_name.
+ * value-prof.c (gimple_ic): Use duplicate_ssa_name.
+ (gimple_stringop_fixed_value): Likewise.
+ * tree.c (needs_to_live_in_memory): Remove SSA name handling.
+ * tree-stdarg.c (find_va_list_reference): Store SSA_NAME_VERSIONs
+ in the bitmap alongside shifted DECL_UIDs.
+ (va_list_counter_struct_op): Likewise.
+ (va_list_ptr_read): Likewise.
+ (va_list_ptr_write): Likewise.
+ (check_va_list_escapes): Likewise.
+ (check_all_va_list_escapes): Likewise.
+ (execute_optimize_stdarg): Likewise.
+ * tree-outof-ssa.c (insert_backedge_copies): Use copy_ssa_name.
+
+2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ PR rtl-optimization/54157
+ * combine.c (gen_lowpart_for_combine): Don't return identity
+ for CONST or symbolic reference.
+
+2012-08-08 Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * common/config/i386/i386-common.c (OPTION_MASK_ISA_ADX_SET): New.
+ (OPTION_MASK_ISA_ADX_UNSET): Likewise.
+ (ix86_handle_option): Handle madx option.
+ * config.gcc (i[34567]86-*-*): Add adxintrin.h.
+ (x86_64-*-*): Likewise.
+ * config/i386/adxintrin.h: New header.
+ * config/i386/driver-i386.c (host_detect_local_cpu): Detect ADCX/ADOX
+ support.
+ * config/i386/i386-builtin-types.def
+ (UCHAR_FTYPE_UCHAR_UINT_UINT_PUNSIGNED): New function type.
+ (UCHAR_FTYPE_UCHAR_ULONGLONG_ULONGLONG_PULONGLONG): Likewise.
+ * config/i386/i386-c.c: Define __ADX__ if needed.
+ * config/i386/i386.c (ix86_target_string): Define -madx option.
+ (PTA_ADX): New.
+ (ix86_option_override_internal): Handle new option.
+ (ix86_valid_target_attribute_inner_p): Add OPT_madx.
+ (ix86_builtins): Add IX86_BUILTIN_ADDCARRYX32,
+ IX86_BUILTIN_ADDCARRYX64.
+ (ix86_init_mmx_sse_builtins): Define corresponding built-ins.
+ (ix86_expand_builtin): Handle these built-ins.
+ (ix86_expand_args_builtin): Handle new function types.
+ * config/i386/i386.h (TARGET_ADX): New.
+ * config/i386/i386.md (adcx<mode>3): New define_insn.
+ * config/i386/i386.opt (madx): New.
+ * config/i386/x86intrin.h: Include adxintrin.h.
+
+2012-08-08 Nick Clifton <nickc@redhat.com>
+
+ * config/rl78/rl78.c: Include tree-pass.h.
+
+2012-08-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/54146
+ * ira.c (init_live_subregs): Take live_subregs_used as a bitmap.
+ (build_insn_chain): Make live_subregs_used a bitmap.
+ Use SBITMAP_SIZE to ignore the paradoxical bytes of subregs.
+ Use sbitmap_free to free the live_subreg sbitmaps.
+
+ PR middle-end/54146
+ * ifcvt.c: Include pointer-set.h.
+ (cond_move_process_if_block): Change type of then_regs and
+ else_regs from alloca'd array to pointer_sets.
+ (check_cond_move_block): Update for this change.
+ (cond_move_convert_if_block): Likewise.
+ * Makefile.in: Fix dependencies for ifcvt.o.
+
+2012-08-07 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ * gimple-ssa-strength-reduction.c (struct incr_info_d): New struct.
+ (incr_vec): New static var.
+ (incr_vec_len): Likewise.
+ (address_arithmetic_p): Likewise.
+ (stmt_cost): Remove dead assignment.
+ (dump_incr_vec): New function.
+ (cand_abs_increment): Likewise.
+ (lazy_create_slsr_reg): Likewise.
+ (incr_vec_index): Likewise.
+ (count_candidates): Likewise.
+ (record_increment): Likewise.
+ (record_increments): Likewise.
+ (unreplaced_cand_in_tree): Likewise.
+ (optimize_cands_for_speed_p): Likewise.
+ (lowest_cost_path): Likewise.
+ (total_savings): Likewise.
+ (analyze_increments): Likewise.
+ (ncd_for_two_cands): Likewise.
+ (nearest_common_dominator_for_cands): Likewise.
+ (profitable_increment_p): Likewise.
+ (insert_initializers): Likewise.
+ (introduce_cast_before_cand): Likewise.
+ (replace_rhs_if_not_dup): Likewise.
+ (replace_one_candidate): Likewise.
+ (replace_profitable_candidates): Likewise.
+ (analyze_candidates_and_replace): Handle candidates with SSA-name
+ strides.
+
+2012-08-07 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cfg.c (debug_bb): Do not set TDF_BLOCKS.
+ * cfghooks.c (dump_bb): Honor ~TDF_BLOCKS.
+ * pretty-print.c (pp_base_flush): Do not add a newline, and do not
+ clear pp_needs_newline.
+ * pretty-print.h (pp_newline_and_flush): New macro with the behavior
+ of pp_base_flush before the above change.
+ * langhooks.c (lhd_print_error_function): Use pp_newline_and_flush
+ instead of pp_flush.
+ * diagnostic.c (diagnostic_finish): Likewise.
+ (diagnostic_report_diagnostic): Likewise.
+ (verbatim): Likewise.
+ (error_recursion): Likewise.
+ * tree-pretty-print.c (print_generic_stmt): Likewise.
+ (print_generic_stmt_indented): LIkewise.
+ * gimple-pretty-print.c (print_gimple_stmt): Likewise.
+ (print_gimple_seq): Likewise.
+ (gimple_dump_bb_buff): Likewise.
+
+2012-08-07 Uros Bizjak <ubizjak@gmail.com>
+
+ PR debug/54177
+ * var-tracking.c (var_lowpart): Exit early for matched modes.
+
+2012-08-07 Richard Henderson <rth@redhat.com>
+
+ * config/s390/s390.c (s390_emit_compare_and_swap): Update for
+ atomic_compare_and_swapsi_internal name change.
+ (s390_expand_insv): Try RISBG last, not requiring operands in
+ registers but forcing them there. Try a limited form of ICM.
+ (s390_two_part_insv): New.
+ (s390_expand_cs_hqi): Use it. Update for atomic optabs.
+ * config/s390/s390.md (UNSPEC_MOVA): New.
+ (TDSI): Remove mode iterator.
+ (DGPR, DINT, TDI): New mode iterators.
+ (td): New mode attribute.
+ (mem_signal_fence): New.
+ (mem_thread_fence): Rename from memory_barrier; update for model arg.
+ (mem_thread_fence_1): Rename from *memory_barrier.
+ (atomic_load<DINT>, atomic_store<DINT>): New expanders.
+ (atomic_loaddi_1, atomic_loadti_1): New.
+ (atomic_storedi_1, atomic_storeti_1): New.
+ (sync_compare_and_swap<TDSI>, sync_compare_and_swap<HQI>): Remove.
+ (atomic_compare_and_swap<DGPR>, atomic_compare_and_swap<HQI>): New.
+ (atomic_compare_and_swap<DGPR>_internal): New.
+ (*sync_compare_and_swap<DW>, *sync_compare_and_swap<GPR>): Remove.
+ (*atomic_compare_and_swap<TDI>_1): New.
+ (*atomic_compare_and_swapdi_2, *atomic_compare_and_swapsi_3): New.
+ (sync_<ATOMIC_Z196><GPR>, sync_old_<ATOMIC_Z196><GPR>): Remove.
+ (atomic_fetch_<ATOMIC_Z196><GPR>): New.
+ (atomic_fetch_<ATOMC_Z196><GPR>_iaf): New.
+ (sync_<ATOMIC><HQI>, sync_old_<ATOMIC><HQI>): Remove.
+ (sync_new_<ATOMIC><HQI>): Remove.
+ (atomic_<ATOMIC><HQI>, atomic_fetch_<ATOMIC><HQI>): New.
+ (atomic_<ATOMIC>_fetch<HQI>): New.
+ (sync_lock_test_and_set<HQI>): Remove.
+ (atomic_exchange<HQI>): New.
+
+2012-08-07 Paul Brook <paul@codesourcery.com>
+ Sandra Loosemore <sandra@codesourcery.com>
+
+ * except.c (switch_to_exception_section): Place tables for
+ DECL_ONE_ONLY functions in comdat groups.
+
+2012-08-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (copy_ssa_name_fn): New function.
+ (duplicate_ssa_name_fn): Likewise.
+ * tree-flow-inline.h (copy_ssa_name): New function.
+ (duplicate_ssa_name): Likewise.
+ * tree-ssanames.c (copy_ssa_name_fn): New function.
+ (duplicate_ssa_name): Rename to ...
+ (duplicate_ssa_name_fn): ... this and adjust.
+ * tree-tailcall.c (update_accumulator_with_ops): Use copy_ssa_name.
+ * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
+ Likewise.
+ (slpeel_update_phi_nodes_for_guard2): Likewise.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ (vect_loop_versioning): Likewise.
+ * tree-parloops.c (transform_to_exit_first_loop): Likewise.
+ (create_parallel_loop): Likewise.
+ * ipa-split.c (split_function): Likewise.
+ * tree-vect-loop.c (vect_is_simple_reduction_1): Likewise.
+ (vect_create_epilog_for_reduction): Likewise.
+ * tree-vect-data-refs.c (bump_vector_ptr): Likewise.
+ (vect_setup_realignment): Likewise.
+ * tree-vect-stmts.c (vectorizable_load): Likewise.
+ * tree-switch-conversion.c (build_one_array): Likewise.
+ (gen_def_assigns): Likewise.
+ * tree-cfg.c (gimple_make_forwarder_block): Likewise.
+ * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
+ create_zero_dim_array with the SSA name.
+ (rewrite_phi_out_of_ssa): Likewise.
+ (rewrite_cross_bb_scalar_dependence): Likewise. Use copy_ssa_name.
+
+2012-08-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (set_ssa_default_def): Clear the SSA_NAME_DEFAULT_DEF
+ bit of the old name when we clear the slot.
+ * tree-ssa-live.c (remove_unused_locals): Release any default
+ def associated with an unused var.
+ * tree-ssa-copy.c (may_propagate_copy_into_asm): Always return true.
+
+2012-08-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-into-ssa.c (rewrite_stmt): Remove clobbers for variables
+ we rewrite into SSA form.
+ (rewrite_enter_block): Adjust.
+ * gimple-iterator.c (gsi_replace): Also allow replacement with
+ a stmt without a lhs.
+ * tree-ssa-live.c (remove_unused_locals): Remove code handling
+ clobbers of SSA names.
+ * tree-nested.c (convert_local_reference_stmt): Remove clobbers
+ for variables we access through the local chain.
+ * tree-cfg.c (verify_gimple_assign_single): Verify clobbers
+ clobber full decls only.
+
+2012-08-07 Richard Guenther <rguenther@suse.de>
+
+ * gimple.h (gimple_phi_set_result): Adjust SSA_NAME_DEF_STMT.
+ * tree-phinodes.c (make_phi_node): Allow a NULL var.
+ * tree-into-ssa.c (insert_phi_nodes_for): Simplify.
+ * tree-complex.c (update_phi_components): Likewise.
+ * tree-ssa-loop-manip.c (create_iv): Likewise.
+ (add_exit_phis_edge): Likewise.
+ (split_loop_exit_edge): Likewise.
+ (tree_transform_and_unroll_loop): Likewise.
+ * value-prof.c (gimple_ic): Likewise.
+ (gimple_stringop_fixed_value): Likewise.
+ * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
+ * omp-low.c (expand_parallel_call): Likewise.
+ (expand_omp_for_static_chunk): Likewise.
+ (expand_omp_atomic_pipeline): Likewise.
+ * tree-parloops.c (create_phi_for_local_result): Likewise.
+ (transform_to_exit_first_loop): Likewise.
+ * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
+ * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
+ * tree-predcom.c (initialize_root_vars): Likewise.
+ (initialize_root_vars_lm): Likewise.
+ * sese.c (sese_add_exit_phis_edge): Likewise.
+ * gimple-streamer-in.c (input_phi): Likewise.
+ * tree-inline.c (copy_phis_for_bb): Likewise.
+ * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
+ * tree-cfg.c (gimple_make_forwarder_block): Likewise.
+ (gimple_duplicate_bb): Likewise.
+
+2012-08-07 Nick Clifton <nickc@redhat.com>
+
+ * config/mn10300/mn10300.c (mn10300_expand_prologue): Report
+ stack usage if requested.
+
+2012-08-06 Cary Coutant <ccoutant@google.com>
+
+ * cgraphunit.c (assemble_thunk): Add source line info.
+ * final.c (final): Check for non-null cfg pointer.
+
+2012-08-06 Sandra Loosemore <sandra@codesourcery.com>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config/mips/24k.md (r24k_unknown_store): Delete special handling
+ for cprestore.
+ (r24k_int_load, r24k_int_arith, r24k_int_mul3, r24k_int_mfhilo)
+ (r24k_int_cop, r24k_int_multi)
+ (r24kf2_1_fcvt_f2i, r24kf2_1_fxfer)
+ (r24kf1_1_fcvt_f2i, r24kf1_1_fxfer): Use mips_store_data_bypass_p
+ instead of store_data_bypass_p.
+ * config/mips/74k.md (r74k_int_store): Delete special handling for
+ cprestore.
+ (r74k_int_load, r74k_int_logical, r74k_int_arith, r74k_int_cmove):
+ Use mips_store_data_bypass_p instead of store_data_bypass_p.
+
+2012-08-06 Marc Glisse <marc.glisse@inria.fr>
+
+ PR tree-optimization/51938
+ PR tree-optimization/52005
+ * tree-ssa-ifcombine.c (ifcombine_ifandif): New parameters for
+ inverted conditions.
+ (ifcombine_iforif): Remove, merge code into ifcombine_ifandif.
+ (tree_ssa_ifcombine_bb): Update calls to the above. Detect !a&&b
+ and !a||b patterns.
+
+2012-08-06 Olivier Hainque <hainque@adacore.com>
+
+ * tree-emutls.c (new_emutls_decl): When a var_section is requested by
+ the target, attach the new decl to that, not to the template section.
+
+2012-08-06 Tom de Vries <tom@codesourcery.com>
+
+ * tree-switch-conversion.c (emit_case_bit_tests): Generate MINUS_EXPR in
+ unsigned type.
+
+2012-08-05 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
+
+ * doc/invoke.texi: Document AMD btver2.
+ * doc/extend.texi: Document AMD btver1 and btver2.
+
+2012-08-04 Sandra Loosemore <sandra@codesourcery.com>
+ Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_option_override): Check -fpic
+ for compatibility with -mabicalls and ABI.
+
+2012-08-04 Catherine Moore <clm@codesourcery.com>
+ Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/xlr.md (ir_xlr_alu_clz): New insn_reservation.
+ (ir_xlr_alu): Remove clz.
+ * config/mips/mips-cpus.def (xlr): Set PTF_AVOID_BRANCHLIKELY.
+
+2012-08-04 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_gen_constant): Use SImode when preparing operands for
+ gen_extzv_t2.
+
+2012-08-04 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (QI_REGNO_P): New define.
+ (ANY_QI_REGNO_P): Ditto.
+ (GENERAL_REGNO_P): Use IN_RANGE macro.
+ (QI_REG_P): Use QI_REGNO_P.
+ (ANY_QI_REG_P): Use GENERAL_REGNO_P and QI_REGNO_P.
+ (HARD_REGNO_CALLER_SAVE_MODE): Use QI_REGNO_P.
+ * config/i386/i386.c (ix86_hard_regno_mode_ok): Ditto.
+ (x86_extended_QIreg_mentioned_p): Ditto. Also check if
+ register is a general register.
+
+2012-08-03 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sync.md (*atomic_fetch_add_cmp<mode>): Use
+ incdec_operand predicate to return INC or DEC insn mnemonic.
+ Add %K operand modifier.
+ (atomic_add<mode>): Use incdec_operand predicate to
+ return INC or DEC insn mnemonic.
+ (atomic_dec<mode>): Ditto.
+
+2012-08-03 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/54146
+ * cfgexpand.c (add_scope_conflicts_1): Use bitmap_ior_into.
+ (add_scope_conflicts): Iterate in RPO order.
+ (add_stack_protection_conflicts): Iterate over the other triangle.
+ (fini_vars_expansion): Clear stack_vars_sorted.
+
+2012-08-03 Marc Glisse <marc.glisse@inria.fr>
+
+ PR tree-optimization/30318
+ * double-int.c (mul_double_wide_with_sign): New function.
+ (mul_double_with_sign): Call the new function.
+ * double-int.h (mul_double_wide_with_sign): Declare the new function.
+ * tree-vrp.c (extract_range_from_binary_expr_1) [MULT_EXPR]:
+ Handle integer types that wrap on overflow.
+ (quad_int_cmp): New helper function.
+ (quad_int_pair_sort): Likewise.
+
+2012-08-03 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Query
+ is_gimple_reg on the SSA name, not its variable.
+ (vect_update_ivs_after_vectorizer): Likewise.
+ * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
+ * tree-if-conv.c (if_convertible_phi_p): Likewise.
+ (predicate_scalar_phi): Likewise.
+ * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Likewise.
+ (vect_analyze_scalar_cycles_1): Likewise.
+ * tree-ssa-live.c (register_ssa_partition_check): Likewise.
+ * tree-outof-ssa.c (eliminate_useless_phis): Likewise.
+ * tree-ssa-reassoc.c (phi_rank): Likewise.
+ * tree-parloops.c (separate_decls_in_region_name): Use
+ replace_ssa_name_symbol.
+ * tree-predcom.c (base_names_in_chain_on): Likewise.
+ * matrix-reorg.c (update_type_size): Query the type of the SSA name,
+ not its variable.
+ * gimple-ssa-strength-reduction.c (create_mul_ssa_cand): Likewise.
+ (create_mul_imm_cand): Likewise.
+ (create_add_ssa_cand): Likewise.
+ (create_add_imm_cand): Likewise.
+ (slsr_process_add): Likewise.
+ * tree-inline.c (remap_ssa_name): Do not set the type of the
+ new SSA_NAME.
+ * tree-ssa-structalias.c (get_constraint_for_ssa_var): Clarify assert.
+ Check for default def first.
+
+2012-08-04 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cfgrtl.c (print_rtl_with_bb): Do not print a newline between insns.
+
+ * sched-vis.c (print_pattern): Handle SEQUENCE also.
+
+2012-08-02 Richard Henderson <rth@redhat.com>
+
+ Revert:
+ PR 34548
+ * function.h (struct rtl_data): Add max_dynamic_stack_alignment.
+ * cfgexpand.c (gimple_expand_cfg): Initialise it.
+ * explow.c (allocate_dynamic_stack_space): Set it. Simplify
+ alignment requirements given the known alignment of dynamic_offset.
+ * function.c (instantiate_virtual_regs): Align dtnamic_offset.
+
+2012-08-02 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * cfgexpand.c (expand_debug_locations): Encapsulate test for
+ CONST_DOUBLE in macro.
+ * combine.c (try_combine, gen_lowpart_for_combine): Ditto.
+ * cprop.c (implicit_set_cond_p): Ditto.
+ * cselib.c (rtx_equal_for_cselib_1): Ditto.
+ * expmed.c (expand_mult): Ditto.
+ * expr.c (convert_modes): Ditto.
+ * ira-costs.c (record_reg_classes): Ditto.
+ * ira-lives.c (single_reg_class): Ditto.
+ * optabs.c (expand_copysign_absneg, expand_copysign): Ditto.
+ * print-rtl.c (print_rtx): Ditto.
+ * recog.c (simplify_while_replacing, const_double_operand)
+ (asm_operand_ok, constrain_operands): Ditto.
+ * reg-stack.c (subst_stack_regs_pat): Ditto.
+ * reload.c (find_reloads, find_equiv_reg): Ditto.
+ * rtlanal.c (replace_rtx): Remove test.
+ * rtlanal.c (constant_pool_constant_p, split_double): Encapsulate
+ test for CONST_DOUBLE in macro.
+ * simplify-rtx.c (mode_signbit_p, avoid_constant_pool_reference)
+ (simplify_unary_operation_1, simplify_const_unary_operation)
+ (simplify_binary_operation_1, simplify_const_binary_operation)
+ (simplify_relational_operation_1)
+ (simplify_const_relational_operations)
+ (implify_subreg): Ditto.
+ * varasm.c (output_constant_pool_2): Ditto.
+ * rtl.h (CONST_DOUBLE_AS_INT_P, CONST_DOUBLE_AS_FLOAT_P): New macros.
+ * rtl.def (CONST_DOUBLE): Updated comments.
+
+2012-08-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR target/51931
+ * config/mips/mips-protos.h (mips_strip_unspec_address): Declare.
+ * config/mips/mips.c (mips_strip_unspec_address): Make extern.
+ (mips16_rewrite_pool_constant): Make a copy of the pool constant
+ before adding to a PC-relative table.
+ (mips16_lay_out_constants): Add a SPLIT_P parameter.
+ (mips16_load_branch_target, mips16_split_long_branches): New functions.
+ (mips_reorg): Update call to mips16_lay_out_constants.
+ Call mips16_split_long_branches.
+ * config/mips/predicates.md (pc_or_label_operand): Delete.
+ * config/mips/mips.md (length): Add a calculation for MIPS16 branches.
+ Move the extended_mips16 handling further down.
+ (*branch_equality<mode>_mips16): Replace use pc_or_label_operand
+ with explicit label_ref and pc. Follow the usual operand numbering.
+ (*branch_equality<mode>_mips16_inverted): New pattern.
+ (*jump_mips16): Add length attribute.
+ (indirect_jump_and_restore_<mode>): New pattern.
+ (consttable_int): Call mips_strip_unspec_address on the operand.
+
+2012-08-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * recog.c (split_insn): Copy the original SET_SRC before using
+ it as a note.
+
+2012-08-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * reorg.c (dbr_schedule): Delete REG_BR_PRED loop.
+
+2012-08-02 Marc Glisse <marc.glisse@inria.fr>
+
+ PR tree-optimization/53805
+ * fold-const.c (invert_tree_comparison): Invert ORDERED_EXPR and
+ UNORDERED_EXPR even for trapping floating point.
+
+2012-08-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/53321
+ PR middle-end/53865
+ * ipa-inline-analysis.c (inline_free_summary): Return if
+ inline_edge_summary_vec is NULL.
+ * ipa-split.c (execute_split_functions): Check if a function
+ is inlinable only if inline_edge_summary_vec != NULL.
+ * ipa.c (symtab_remove_unreachable_nodes): Restore
+ cgraph_propagate_frequency call when something was changed.
+ (free_inline_summary): New function.
+ (pass_ipa_free_inline_summary): New pass.
+ * passes.c (init_optimization_passes): Add
+ pass_ipa_free_inline_summary before pass_ipa_tree_profile.
+ * timevar.def (TV_IPA_FREE_INLINE_SUMMARY): New.
+ * tree-pass.h (pass_ipa_free_inline_summary): New.
+
+2012-08-02 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_gen_constant): Use UBFX for some AND operations when
+ available.
+
+2012-08-02 Richard Guenther <rguenther@suse.de>
+
+ * tree-into-ssa.c (struct common_info_d): New struct.
+ (struct var_info_d, struct ssa_name_info): Use it.
+ (get_ssa_name_ann): Adjust.
+ (get_phi_state, set_phi_state): Remove.
+ (get_common_info): New function.
+ (get_current_def, set_current_def): Adjust.
+ (get_def_blocks_for): Take a common info as param.
+ (set_def_block): Call get_common_info once.
+ (set_livein_block): Likewise.
+ (find_def_blocks_for): Adjust.
+ (insert_phi_nodes): Likewise.
+ (register_new_def): Call get_common_info once.
+ (get_reaching_def): Likewise.
+ (rewrite_debug_stmt_uses): Likewise.
+ (rewrite_leave_block): Likewise.
+ (dump_currdefs): Likewise.
+ (debug_var_infos_r): Adjust.
+ (register_new_update_single): Call get_common_info once.
+ (maybe_replace_use_in_debug_stmt): Likewise.
+ (rewrite_update_leave_block): Likewise.
+ (mark_use_interesting): Adjust.
+ (create_new_def_for): Likewise.
+ (update_ssa): Likewise.
+
+2012-08-02 Michael Matz <matz@suse.de>
+
+ * tree-ssa-live.c (set_is_used): Return a bool.
+ (mark_all_vars_used): Don't take data argument.
+ (mark_all_vars_used_1): Adjust calls to above, merge handling
+ of local and global vars.
+ (remove_unused_scope_block_p): Don't take global_unused_vars,
+ merge handling of local and global vars.
+ (remove_unused_locals): Don't allocate/fill/pass global_unused_vars,
+ use is_used_p for local and global vars.
+
+2012-08-02 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (make_rename_temp): Remove.
+ * tree-dfa.c (make_rename_temp): Likewise.
+ * cgraphunit.c (thunk_adjust, assemble_thunk): Use create_tmp_reg
+ instead of make_rename_temp.
+ * omp-low.c (expand_omp_for_generic, expand_omp_for_static_nochunk,
+ expand_omp_atomic_pipeline): Likewise.
+ * trans-mem.c (tm_log_emit_save_or_restores, build_tm_load,
+ build_tm_store, expand_call_tm, expand_transaction,
+ ipa_tm_insert_gettmclone_call): Likewise.
+ * tree-complex.c (expand_complex_div_wide): Likewise.
+ * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
+ Likewise.
+ * tree-ssa-loop-im.c (execute_sm_if_changed_flag_set, execute_sm):
+ Likewise.
+ * tree-ssa-math-opts.c (insert_reciprocals): Likewise.
+ * value-prof.c (gimple_divmod_fixed_value, gimple_mod_pow2,
+ gimple_mod_subtract): Likewise.
+
+2012-08-02 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (set_default_def): Rename to ...
+ (set_ssa_default_def): ... this. Take a struct function argument.
+ (gimple_default_def): Rename to ...
+ (ssa_default_def): ... this.
+ (get_or_create_ssa_default_def): New function.
+ * tree-dfa.c: Likewise.
+ (dump_variable): Adjust.
+ * ipa-prop.c (ipa_analyze_params_uses): Adjust, properly check
+ for used parameters.
+ * ipa-split.c (consider_split): Adjust, avoid repeated default-def
+ lookups.
+ (split_function): Likewise.
+ * lto-streamer-in.c (input_ssa_names): Adjust.
+ * omp-low.c (expand_omp_taskreg): Likewise.
+ * tree-cfg.c (replace_ssa_name): Adjust, no need to push/pop cfun.
+ * tree-complex.c (init_parameter_lattice_values): Adjust.
+ (get_component_ssa_name): Likewise.
+ (update_parameter_components): Likewise.
+ * tree-inline.c (remap_ssa_name): Likewise.
+ (setup_one_parameter): Likewise.
+ (initialize_inlined_parameters): Likewise.
+ (declare_return_variable): Likewise.
+ (expand_call_inline): Likewise.
+ (tree_function_versioning): Likewise.
+ * tree-into-ssa.c (get_default_def_for): Remove.
+ (get_reaching_def): Use get_or_create_ssa_default_def instead.
+ * tree-predcom.c (replace_ref_with): Adjust.
+ * tree-sra.c (get_repl_default_def_ssa_name): Likewise.
+ (is_unused_scalar_param): Likewise.
+ (ptr_parm_has_direct_uses): Likewise.
+ (sra_ipa_reset_debug_stmts): Likewise.
+ * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust.
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
+ * tree-ssa-live.c (verify_live_on_entry): Likewise.
+ * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise,
+ avoid repeated default def lookups.
+ * tree-ssa-sccvn.c (run_scc_vn): Likewise.
+ * tree-tailcall.c (arg_needs_copy_p): Adjust.
+ (tree_optimize_tail_calls_1): Likewise.
+
+2012-08-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50672
+ Revert
+ 2012-08-01 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-tail-merge.c (release_last_vdef): Remove.
+ (replace_block_by): Adjust.
+
+2012-08-02 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (referenced_var_lookup): Remove.
+ (find_referenced_vars): Remove.
+ (pass_referenced_vars): Likewise.
+ (make_rename_temp): Do not add referenced vars.
+ (dump_referenced_vars): Remove.
+ (debug_referenced_vars): Likewise.
+ (dump_dfa_stats): Do not dump referenced var stats.
+ (find_vars_r): Remove.
+ (find_referenced_vars_in): Likewise.
+ (referenced_var_check_and_insert): Likewise.
+ (add_referenced_var_1): Likewise.
+ (remove_referenced_var): Likewise.
+ * tree-flow.h (referenced_var_lookup): Likewise.
+ (struct gimple_df): Remove referenced_vars member.
+ (typedef referenced_var_iterator): Remove.
+ (FOR_EACH_REFERENCED_VAR): Likewise.
+ (num_referenced_vars): Likewise.
+ (debug_referenced_vars, dump_referenced_vars): Likewise.
+ (add_referenced_var_1, add_referenced_var): Likewise.
+ (remove_referenced_var): Likewise.
+ (find_referenced_vars_in): Likewise.
+ * tree-flow-inline.h (gimple_referenced_vars): Remove.
+ (first_referenced_var): Likewise.
+ (end_referenced_vars_p): Likewise.
+ (next_referenced_var): Likewise.
+ * cfgexpand.c (update_alias_info_with_stack_vars): Remove assert.
+ * gimple-pretty-print.c (pp_points_to_solution): Dump UIDs
+ unconditionally.
+ * tree-into-ssa.c (dump_decl_set): Likewise.
+ (pass_build_ssa): Do not require PROP_referenced_vars.
+ * tree-ssa.c (target_for_debug_bind): Virtual operands are
+ not suitable, but all register type vars are.
+ (init_tree_ssa): Do not allocate referenced vars.
+ (delete_tree_ssa): Do not free referenced vars.
+ * cgraphunit.c (init_lowered_empty_function): Do not set
+ PROP_referenced_vars.
+ (assemble_thunk): Do not add referenced vars.
+ * gimple-fold.c (canonicalize_constructor_val): Likewise.
+ (gimplify_and_update_call_from_tree): Likewise.
+ * gimple-streamer-in.c (input_bb): Likewise.
+ * passes.c (init_optimization_passes): Do not run
+ pass_referenced_vars.
+ (dump_properties): Do not dump PROP_referenced_vars.
+ * tree-inline.c (remap_decl): Do not add referenced vars.
+ (remap_gimple_op_r): Likewise.
+ (copy_tree_body_r): Likewise.
+ (copy_bb): Likewise.
+ (setup_one_parameter): Likewise.
+ (declare_return_variable): Likewise.
+ (copy_decl_for_dup_finish): Likewise.
+ (copy_arguments_for_versioning): Likewise.
+ (tree_function_versioning): Likewise.
+ * tree-pass.h (PROP_referenced_vars): Remove.
+ (pass_referenced_vars): Likewise.
+ * tree-profile.c (gimple_gen_edge_profiler): Do not add
+ referenced vars.
+ (gimple_gen_interval_profiler): Likewise.
+ (gimple_gen_pow2_profiler): Likewise.
+ (gimple_gen_one_value_profiler): Likewise.
+ (gimple_gen_ic_profiler): Likewise.
+ (gimple_gen_average_profiler): Likewise.
+ (gimple_gen_ior_profiler): Likewise.
+ * tree-ssa-live.c (remove_unused_locals): Do not touch referenced vars.
+ * tree-cfg.c (replace_ssa_name): Do not add referenced vars.
+ (move_stmt_op): Likewise.
+ * tree-ssa-operands.c (create_vop_var): Likewise.
+ * gimple-low.c (record_vars_into): Likewise.
+ * gimplify.c (gimple_regimplify_operands): Likewise.
+ (force_gimple_operand_1): Likewise.
+ * omp-low.c (expand_omp_for_generic): Likewise.
+ (expand_omp_for_static_chunk): Likewise.
+ (expand_omp_atomic_pipeline): Likewise.
+ * graphite-clast-to-gimple.c (graphite_create_new_loop): Likewise.
+ (translate_clast_assignment): Likewise.
+ * graphite-sese-to-poly.c (create_zero_dim_array): Likewise.
+ (handle_scalar_deps_crossing_scop_limits): Likewise.
+ * ipa-prop.c (ipa_modify_formal_parameters): Likewise.
+ * ipa-split.c (split_function): Likewise.
+ * matrix-reorg.c (transform_access_sites): Likewise.
+ * trans-mem.c (tm_log_add): Likewise.
+ (ipa_tm_insert_gettmclone_call): Likewise.
+ * tree-complex.c (create_one_component_var): Likewise.
+ * tree-if-conv.c (ifc_temp_var): Likewise.
+ * tree-parloops.c (take_address_of): Likewise.
+ (initialize_reductions): Likewise.
+ (separate_decls_in_region_name): Likewise.
+ (create_call_for_reduction_1): Likewise.
+ (separate_decls_in_region): Likewise.
+ * tree-predcom.c (predcom_tmp_var): Likewise.
+ (reassociate_to_the_same_stmt): Likewise.
+ * tree-sra.c (build_ref_for_offset): Likewise.
+ (create_access_replacement): Likewise.
+ (get_replaced_param_substitute): Likewise.
+ (sra_ipa_reset_debug_stmts): Likewise.
+ * tree-ssa-loop-im.c (rewrite_reciprocal): Likewise.
+ (rewrite_bittest): Likewise.
+ * tree-ssa-loop-ivopts.c (create_new_iv): Likewise.
+ * tree-ssa-loop-manip.c (create_iv): Likewise.
+ (tree_transform_and_unroll_loop): Likewise.
+ * tree-ssa-math-opts.c (powi_as_mults): Likewise.
+ (build_and_insert_call): Likewise.
+ (gimple_expand_builtin_cabs): Likewise.
+ (execute_optimize_bswap): Likewise.
+ * tree-ssa-phiopt.c (conditional_replacement): Likewise.
+ (abs_replacement): Likewise.
+ (cond_store_replacement): Likewise.
+ (cond_if_else_store_replacement_1): Likewise.
+ * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
+ * tree-ssa-pre.c (get_representative_for): Likewise.
+ (create_expression_by_pieces): Likewise.
+ (insert_into_preds_of_block): Likewise.
+ * tree-ssa-propagate.c (update_call_from_tree): Likewise.
+ * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
+ (eliminate_redundant_comparison): Likewise.
+ (rewrite_expr_tree_parallel): Likewise.
+ (get_reassoc_pow_ssa_name): Likewise.
+ * tree-ssa-strlen.c (get_string_length): Likewise.
+ * tree-switch-conversion.c (emit_case_bit_tests): Likewise.
+ (build_arrays): Likewise.
+ * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
+ (create_tailcall_accumulator): Likewise.
+ * tree-vect-data-refs.c (vect_get_new_vect_var): Likewise.
+ (vect_create_addr_base_for_vector_ref): Likewise.
+ (vect_permute_store_chain): Likewise.
+ (vect_permute_load_chain): Likewise.
+ * tree-vect-generic.c (expand_vector_divmod): Likewise.
+ * tree-vect-loop-manip.c (set_prologue_iterations): Likewise.
+ (vect_build_loop_niters): Likewise.
+ (vect_generate_tmps_on_preheader): Likewise.
+ (vect_update_ivs_after_vectorizer): Likewise.
+ (vect_gen_niters_for_prolog_loop): Likewise.
+ (vect_do_peeling_for_alignment): Likewise.
+ (vect_create_cond_for_align_checks): Likewise.
+ * tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
+ (vect_handle_widen_op_by_const): Likewise.
+ (vect_operation_fits_smaller_type): Likewise.
+ (vect_recog_over_widening_pattern): Likewise.
+ * tree-vect-stmts.c (vect_init_vector): Likewise.
+
+2012-08-01 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/52983
+ * valtrack.c (dead_debug_insert_temp): Use cleanup_auto_inc_dec.
+
+2012-08-01 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/52983
+ * valtrack.c (cleanup_auto_inc_dec): Implement unconditionally,
+ falling back to copy_rtx on non-autoinc machines.
+ (propagate_for_debug_subst): Always use cleanup_auto_inc_dec.
+
+2012-08-01 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/52983
+ * valtrack.h, valtrack.c: New.
+ * Makefile.in (VALTRACK_H): New.
+ (OBJS): Add valtrack.o.
+ (valtrack.o): New.
+ (cselib.o, dce.o, df-problems.o, combine.o): Add VALTRACK_H.
+ * combine.c: Include valtrack.h.
+ (make_compound_operation): Publish.
+ (cleanup_auto_inc_dec): Move to valtrack.c.
+ (struct rtx_subst_pair, propagate_for_debug_subst): Likewise.
+ (propagate_for_debug): Likewise. Add this_basic_block parameter.
+ Adjust all callers.
+ * cselib.c: Include valtrack.h.
+ * dce.c: Likewise.
+ * df-problems.c: Likewise.
+ (dead_debug_init, dead_debug_reset_uses): Move to valtrack.c.
+ (dead_debug_finish, dead_debug_add): Likewise.
+ (dead_debug_insert_temp): Likewise.
+ * df.h (struct dead_debug_use): Move to valtrack.h.
+ (struct dead_debug, enum debug_temp_where): Likewise.
+ (dead_debug_init, dead_debug_reset_uses): Move to valtrack.h.
+ (dead_debug_finish, dead_debug_add): Likewise.
+ (dead_debug_insert_temp): Likewise.
+ * rtl.h (make_compound_operation): Declare.
+
+2012-08-01 Catherine Moore <clm@codesourcery.com>
+ Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/mips-cpus.def (34kn): New.
+ * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): Add 34kn.
+ (BASE_DRIVER_SELF_SPECS): Do not imply -mdsp for the 34kn.
+ * config/mips/mips-tables.opt: Regenerate.
+ * doc/invoke.texi (MIPS Options): Document -march=34kn.
+
+2012-08-01 Richard Henderson <rth@redhat.com>
+
+ * expmed.h (NUM_MODE_PARTIAL_INT): New.
+ (NUM_MODE_VECTOR_INT, NUM_MODE_IP_INT, NUM_MODE_IPV_INT): New.
+ (struct expmed_op_cheap): Size one array on NUM_MODE_IPV_INT.
+ (struct expmed_op_costs): Likewise.
+ (struct target_expmed): Size x_convert_cost on NUM_MODE_IP_INT.
+ (expmed_mode_index): New.
+ (expmed_op_cheap_ptr, expmed_op_cost_ptr): Use expmed_mode_index.
+ (convert_cost_ptr): Likewise.
+ * expmed.c (struct init_expmed_rtl): Rename convert to trunc.
+ (init_expmed_one_conv): Split out from ...
+ (init_expmed_one_mode): ... here. Iterate conversions over
+ partial integer modes too.
+ (init_expmed): Iterate over partial integer modes too.
+
+2012-08-01 Richard Henderson <rth@redhat.com>
+
+ * config/m32c/m32c.c (TARGET_INIT_LIBFUNCS): Remove.
+ (m32c_init_libfuncs): Remove.
+ * config/m32c/cond.md (cstore<QHPSI>4_16): Rename from cstore<QHPSI>4.
+ (cstore<QHPSI>4): New expander.
+
+2012-08-01 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow-inline.h (referenced_var): Remove.
+ * tree-ssa-coalesce.c (create_outofssa_var_map): Remove duplicate
+ checking code.
+ * tree-sra.c (candidates): New global hashtable.
+ (candidate): New function.
+ (sra_initialize): Initialize candidates.
+ (sra_deinitialize): Free candidates.
+ (disqualify_candidate): Remove candidate from candidates.
+ (maybe_add_sra_candidate): New function.
+ (find_var_candidates): Walk over all local decls and parameters,
+ add candidates to candidates hashtable.
+ (find_param_candidates): Add candidates to candidates hashtable.
+ (analyze_all_variable_accesses): Use candidate instead of
+ referenced_var.
+
+2012-08-01 Tom de Vries <tom@codesourcery.com>
+
+ * tree-vrp.c (find_case_label_ranges): New function.
+ (vrp_visit_switch_stmt, simplify_switch_using_ranges): Use
+ find_case_label_ranges instead of find_case_label_range. Handle second
+ range.
+
+2012-08-01 Michael Matz <matz@suse.de>
+
+ * tree-complex.c (init_parameter_lattice_values): Don't call var_ann.
+ * tree-dfa.c (struct dfa_stats_d): Remove num_var_anns member.
+ (dump_dfa_stats): Don't dump stats about var anns.
+ (collect_dfa_stats): Don't collect them.
+ (add_referenced_var_1): Don't set var annotation pointers.
+ (remove_referenced_var): Ditto, and only remove it it's in the
+ hash table.
+
+ * tree-flow-inline.h (var_ann): Remove.
+ * tree-flow.h (struct var_ann_d, var_ann_t): Remove.
+
+ * tree-inline.c (remapped_type): Remove.
+ (can_be_nonlocal): Most variable will be considered live here,
+ return false earlier.
+ (remap_decls): Don't call var_ann, all variables will be considered
+ referenced here.
+ (copy_debug_stmt): Ditto, and use is_global_var.
+
+ * tree-into-ssa.c (rewrite_debug_stmt_uses): Use get_current_def to
+ determine if a variable was referred to, not var_ann.
+ * tree-ssa-live.c (remove_unused_scope_block_p): Don't check var_ann.
+ (remove_unused_locals): Ditto.
+ * tree-ssa.c (delete_tree_ssa): Don't free/clear var ann pointers.
+ * tree-tailcall.c (arg_needs_copy_p): Don't check var_ann.
+ * tree.c (copy_node_stat): Don't clear var ann pointer.
+ * tree.h (tree_result_decl, tree_parm_decl, tree_var_decl): Remove
+ ann member.
+ (DECL_VAR_ANN_PTR): Remove.
+
+2012-08-01 Michael Matz <matz@suse.de>
+
+ * tree-flow.h (struct var_ann_d): Rename used member.
+ (set_is_used): Don't declare.
+ * tree-flow-inline.h (clear_is_used): Remove.
+ (set_is_used, is_used_p): Move to ...
+ * tree-ssa-live.c (set_is_used, is_used_p): ... here, and use
+ on the side bitmap.
+ (usedvars): New bitmap.
+ (dump_scope_block): Don't dump unusedness.
+ (remove_unused_locals): Allocate and free usedvars.
+ * tree-nrv.c (tree_nrv): Don't clear used flags here.
+
+2012-08-01 Michael Matz <matz@suse.de>
+
+ * tree-flow.h (struct var_ann_d): Remove base_var_processed and
+ base_index members.
+ * tree-ssa-live.h (struct _var_map): Remove basevars member.
+ (VAR_ANN_BASE_INDEX): Remove.
+ * tree-ssa-live.c (var_map_base_init): Use a hash table instead
+ of var annotation to compress index space. Don't deal with above
+ removed members.
+ (var_map_base_fini): Don't free basevars.
+ (init_var_map): Don't clear basevars.
+
+2012-08-01 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * gimple-ssa-strength-reduction.c (struct slsr_cand_d): Change
+ base_name to base_expr.
+ (struct cand_chain_d): Likewise.
+ (base_cand_hash): Likewise.
+ (base_cand_eq): Likewise.
+ (record_potential_basis): Likewise.
+ (alloc_cand_and_find_basis): Likewise.
+ (create_mul_ssa_cand): Likewise.
+ (create_mul_imm_cand): Likewise.
+ (create_add_ssa_cand): Likewise.
+ (create_add_imm_cand): Likewise.
+ (slsr_process_cast): Likewise.
+ (slsr_process_copy): Likewise.
+ (dump_candidate): Likewise.
+ (base_cand_dump_callback): Likewise.
+ (unconditional_cands_with_known_stride_p): Likewise.
+ (cand_increment): Likewise.
+
+2012-08-01 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ PR tree-optimization/46556
+ * gimple-ssa-strength-reduction.c (enum cand_kind): Add CAND_REF.
+ (base_cand_map): Change to hash table.
+ (base_cand_hash): New function.
+ (base_cand_free): Likewise.
+ (base_cand_eq): Likewise.
+ (lookup_cand): Change base_cand_map to hash table.
+ (find_basis_for_candidate): Likewise.
+ (base_cand_from_table): Exclude CAND_REF.
+ (restructure_reference): New function.
+ (slsr_process_ref): Likewise.
+ (find_candidates_in_block): Call slsr_process_ref.
+ (dump_candidate): Handle CAND_REF.
+ (base_cand_dump_callback): New function.
+ (dump_cand_chains): Change base_cand_map to hash table.
+ (replace_ref): New function.
+ (replace_refs): Likewise.
+ (analyze_candidates_and_replace): Call replace_refs.
+ (execute_strength_reduction): Change base_cand_map to hash table.
+
+2012-08-01 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_address_subreg_operand): Reject
+ stack pointer.
+ (ix86_print_operand_address): Assert that parts.base and parts.index
+ are non-NULL after call to simplify_subreg.
+
+2012-08-01 Richard Guenther <rguenther@suse.de>
+
+ * doc/tree-ssa.texi: Remove pieces mentioning mark_sym_for_renaming.
+
+2012-08-01 Richard Guenther <rguenther@suse.de>
+
+ * graphite-clast-to-gimple.c (translate_clast_user): Rename
+ virtual operands.
+ * sese.c (graphite_copy_stmts_from_block): Do not rename virtual
+ operands here.
+ * tree-call-cdce.c (tree_call_cdce): Use
+ mark_virtual_operands_for_renaming.
+ * tree-eh.c (sink_clobbers): Simplify.
+ * tree-flow.h (mark_sym_for_renaming): Remove.
+ (mark_virtual_operands_for_renaming): New function.
+ * tree-if-conv.c (tree_if_conversion): Use
+ mark_virtual_operands_for_renaming.
+ * tree-inline.c (update_ssa_across_abnormal_edges): Likewise.
+ * tree-into-ssa.c (mark_sym_for_renaming): Remove.
+ (mark_virtual_operands_for_renaming): New function.
+ * tree-loop-distribution.c (tree_loop_distribution): Use
+ mark_virtual_operands_for_renaming.
+ * tree-ssa-dce.c (mark_virtual_operand_for_renaming): Do not
+ update stmts, use mark_virtual_operands_for_renaming.
+ * tree-ssa-tail-merge.c (release_last_vdef): Remove.
+ (replace_block_by): Adjust.
+ (tail_merge_optimize): Use mark_virtual_operands_for_renaming.
+ * tree-tailcall.c (tree_optimize_tail_calls_1): Use
+ mark_virtual_operands_for_renaming.
+ * tree-vect-slp.c (vect_slp_transform_bb): Likewise.
+ * tree-vectorizer.c (vectorize_loops): Likewise.
+
+2012-08-01 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (struct gimple_df): Remove syms_to_rename member,
+ add ssa_renaming_needed and rename_vops flags.
+ (SYMS_TO_RENAME): Remove.
+ (symbol_marked_for_renaming): Likewise.
+ (mark_virtual_ops_for_renaming): Likewise.
+ * tree-into-ssa.c (symbols_to_rename_set, symbols_to_rename):
+ New globals.
+ (mark_for_renaming, marked_for_renaming): New functions.
+ (symbol_marked_for_renaming): Remove.
+ (dump_currdefs): Adjust.
+ (maybe_replace_use): Likewise.
+ (maybe_replace_use_in_debug_stmt): Likewise.
+ (maybe_register_def): Likewise.
+ (rewrite_update_phi_arguments): Likewise.
+ (rewrite_update_enter_block): Likewise.
+ (fini_ssa_renamer): Clear update SSA status here ...
+ (delete_update_ssa): ... not here. Free rename set.
+ (prepare_block_for_update): Compute which decls need renaming.
+ (dump_update_ssa): Adjust.
+ (mark_sym_for_renaming): Adjust update SSA status for virtuals.
+ (need_ssa_update_p): Adjust.
+ (insert_updated_phi_nodes_for): Likewise.
+ (update_ssa): Likewise.
+ * tree-ssa-operands.c (finalize_ssa_defs): Adjust update SSA status
+ for virtual and real operands.
+ (finalize_ssa_uses): Likewise.
+ * tree-ssanames.c (init_ssanames): Adjust.
+ * tree-ssa.c (maybe_rewrite_mem_ref_base, maybe_optimize_var,
+ execute_update_addresses_taken): Add bitmap to keep track of which
+ candidates are suitable for rewriting and later renaming by SSA update.
+ * matrix-reorg.c (transform_access_sites): Do not rename all defs.
+ * tree-dfa.c (make_rename_temp): Do not mark real operands for
+ renaming.
+ * cgraphunit.c (assemble_thunk): Likewise.
+ * gimplify.c (gimple_regimplify_operands): Likewise.
+ (force_gimple_operand_1): Likewise.
+ * ipa-prop.c (ipa_modify_formal_parameters): Likewise.
+ * tree-inline.c (declare_return_variable): Likewise.
+ * tree-parloops.c (separate_decls_in_region_stmt): Do not call
+ mark_virtual_ops_for_renaming.
+ (create_stores_for_reduction): Likewise.
+ (create_loads_and_stores_for_name): Likewise.
+ * tree-predcom.c (mark_virtual_ops_for_renaming): Remove.
+ (initialize_root_vars_lm): Do not call mark_virtual_ops_for_renaming.
+ (execute_load_motion): Likewise.
+ (remove_stmt): Likewise.
+ (execute_pred_commoning_chain): Likewise.
+ * tree-sra.c (create_access_replacement): Do not rename real operands.
+ (get_unrenamed_access_replacement): Unify with ...
+ (get_access_replacement): ... this.
+ (get_repl_default_def_ssa_name): Adjust.
+ * tree-ssa-loop-im.c (move_computations_stmt): Manually update
+ virtual SSA form.
+ (rewrite_mem_ref_loc): Do not call mark_virtual_ops_for_renaming.
+ * tree-ssa-loop-prefetch.c (emit_mfence_after_loop): Likewise.
+
+2012-07-31 DJ Delorie <dj@redhat.com>
+
+ * config/s390/s390.c (s390_option_override): Disable DWARF 3/4
+ extensions for TPF, unless specifically selected.
+
+2012-08-01 Alan Modra <amodra@gmail.com>
+
+ PR target/54131
+ * config/rs6000/rs6000.c (mem_operand_gpr): Don't limit range
+ of lo_sum offsets. Comment. Assert mode at least word size
+ rather than bypassing powerpc64 word offset check.
+
+2012-07-31 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
+ costs for vec_perm and vec_promote_demote down to more natural values.
+ (struct _rs6000_cost_data): New data structure.
+ (rs6000_density_test): New function.
+ (rs6000_init_cost): Change to use rs6000_cost_data.
+ (rs6000_add_stmt_cost): Likewise.
+ (rs6000_finish_cost): Perform density test when vectorizing a loop.
+
+2012-07-31 Steven Bosscher <steven@gcc.gnu.org>
+
+ * sched-vis.c (print_exp): Handle FMA explicitly. Simplify handling
+ of RTX_UNARY function-like operations. Print unknown expression
+ RTX classes as pseudo-functions.
+ (print_pattern): Simplify return pattern printing.
+ (dump_insn_slim): Print the value of notes as a pattern for proper
+ printing of CFA notes.
+
+2012-07-31 Dehao Chen <dehao@google.com>
+
+ * predict.c (tree_estimate_probability_driver): Normalize the
+ loop when initializing the loop optimizer.
+
+2012-07-31 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (struct var_ann_d): Remove need_phi_state
+ and current_def members.
+ * tree-into-ssa.c (struct def_blocks_d): Remove var member.
+ (def_blocks): Remove.
+ (struct var_info_d): New.
+ (var_infos): New hashtable.
+ (struct ssa_name_info): Add def_blocks member.
+ (get_ssa_name_ann): Adjust.
+ (get_var_info): New function.
+ (get_phi_state, set_phi_state, get_current_def,
+ set_current_def, get_def_blocks_for, find_def_blocks_for): Adjust.
+ (insert_phi_nodes_compare_def_blocks): Rename to ...
+ (insert_phi_nodes_compare_var_infos): ... this and adjust.
+ (insert_phi_nodes): Adjust.
+ (dump_tree_ssa, dump_tree_ssa_stats): Adjust.
+ (def_blocks_hash, def_blocks_eq, def_blocks_free): Remove.
+ (debug_def_blocks_r): Rename to ...
+ (debug_var_infos_r): ... this and adjust.
+ (var_info_hash): New function.
+ (var_info_eq): Likewise.
+ (rewrite_blocks): Adjust.
+ (init_ssa_renamer): Likewise.
+ (fini_ssa_renamer): Likewise.
+ (delete_update_ssa): Likewise.
+ (update_ssa): Likewise.
+ * tree-ssanames.c (release_dead_ssa_names): Do not clear current defs.
+
+2012-07-31 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ PR tree-optimization/53773
+ * tree-vectorizer.h (struct _loop_vec_info): Add operands_swapped.
+ (LOOP_VINFO_OPERANDS_SWAPPED): New macro.
+ * tree-vect-loop.c (new_loop_vec_info): Initialize
+ LOOP_VINFO_OPERANDS_SWAPPED field.
+ (destroy_loop_vec_info): Restore canonical form.
+ (vect_is_slp_reduction): Set LOOP_VINFO_OPERANDS_SWAPPED field.
+ (vect_is_simple_reduction_1): Likewise.
+
+2012-07-31 Steven Bosscher <steven@gcc.gnu.org>
+
+ * sched-vis.c (dump_insn_slim): Print print_rtx_head at the
+ start of each new line.
+ * final.c (final_scan_insn): If the final dump is requested as
+ slim RTL, dump slim RTL to the assembly file also.
+
+2012-07-31 Andrey Belevantsev <abel@ispras.ru>
+
+ PR target/53975
+
+ * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
+
+ Revert
+ 2011-08-04 Sergey Grechanik <mouseentity@ispras.ru>
+
+ * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
+ only if producer writes to the register given by regno.
+
+2012-07-31 Nick Clifton <nickc@redhat.com>
+
+ * config/stormy16/stormy16.c (xstormy16_expand_prologue): Add
+ support for reporting stack usage.
+
+ * config/frv/frv.c (QUAD): Fix typo.
+ (frv_expand_prologue): Report stack usage.
+
+2012-07-31 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR pch/53880
+ * gengtype.c (struct walk_type_data): Add have_this_obj field.
+ (walk_type): For functions that take a this_obj argument and
+ that process fields with a GTY((length)) argument, write the
+ test that write_types_local_process_field will write also at the
+ head of the loop, effectively unswitching the loop.
+ (write_func_for_structure, write_local_func_for_structure): Clear
+ have_this_obj before calling walk_type.
+ (write_local_func_for_structure): Set have_this_obj before walk_type.
+ (write_array): Set have_this_obj for output of local pointer walking
+ functions but not for marker functions.
+ (write_types_local_process_field): Assert have_this_obj is set.
+
+ * rtl.h (simplify_using_condition): Adjust prototype using bitmap
+ from coretypes.h.
+
+2012-07-30 Nathan Froyd <froydnj@gcc.gnu.org>
+
+
+ * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
+ * targhooks.c (default_mode_dependent_address_p): Delete code
+ for GO_IF_MODE_DEPENDENT_ADDRESS.
+ * system.h (GO_IF_MODE_DEPENDENT_ADDRESS): Poison.
+ * doc/tm.texi.in (GO_IF_MODE_DEPENDENT_ADDRESS): Delete documention.
+ * doc/tm.texi: Regenerate.
+ * config/alpha.h (GO_IF_MODE_DEPENDENT_ADDRESS): Move code to...
+ * config/alpha.c (alpha_mode_dependent_address_p): ...here. New
+ function.
+ (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
+ * config/cr16/cr16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
+ * config/mep/mep.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
+ * config/vax/vax-protos.h (vax_mode_dependent_address_p): Delete.
+ * config/vax/vax.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
+ * config/vax/vax.c (vax_mode_dependent_address_p): Make static.
+ Take a const_rtx.
+ (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
+
+2012-07-30 Nathan Froyd <froydnj@gcc.gnu.org>
+
+ * expmed.h (NUM_MODE_VECTOR_INT): Define.
+ (struct expmed_op_cheap, struct expmed_op_costs): New structures.
+ (struct target_expmed): Convert x_mul_highpart_cost and
+ x_mul_widen_cost fields to be indexed by integer modes.
+ Convert x_sdiv_pow2_cheap and x_smod_pow2_cheap fields to be
+ of type struct expmed_op_cheap. Convert other cost fields to be
+ of type struct_expmed_op_costs.
+ (mul_widen_cost_ptr, mul_highpart_cost_ptr): Adjust for new
+ indexing of respective fields.
+ (expmed_op_cheap_ptr): New function.
+ (sdiv_pow2_cheap_ptr, smod_pow2_cheap_ptr): Call it.
+ (expmed_op_cost_ptr): New function.
+ (add_cost_ptr, neg_cost_ptr, shift_cost_ptr, shiftadd_cost_ptr,
+ shiftsub0_cost_ptr, shiftsub1_cost_ptr, mul_cost_ptr,
+ sdiv_cost_ptr, udiv_cost_ptr): Call it.
+
+2012-07-30 Sandra Loosemore <sandra@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * doc/invoke.texi (MIPS Options): Document -mno-float.
+ * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): Make it know
+ about -mno-float.
+
+2012-07-30 Joseph Myers <joseph@codesourcery.com>
+
+ * doc/sourcebuild.texi (Subdirectories): Document common subdirectory.
+
+2012-07-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/53823
+ * expmed.c (expand_mult): Skip synth_mult for constant double op1 except
+ for special cases. Don't initialize coeff and is_neg.
+
+2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
+ Richard Earnshaw <rearnsha@arm.com>
+
+ * target.def (vector_alignment): New target hook.
+ * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
+ * doc/tm.texi: Regenerate.
+ * targhooks.c (default_vector_alignment): New function.
+ * targhooks.h (default_vector_alignment): Add prototype.
+ * stor-layout.c (layout_type): Use targetm.vector_alignment.
+ * config/arm/arm.c (arm_vector_alignment): New function.
+ (TARGET_VECTOR_ALIGNMENT): Define.
+
+ * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
+ vector type alignment instead of size.
+ * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
+ element type size directly instead of computing it from alignment.
+ Fix variable naming and comment.
+
+2012-07-30 Kirill Yukhin <kirill.yukhin@intel.com>
+ Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDSEED_SET): New.
+ (OPTION_MASK_ISA_RDSEED_UNSET): Likewise.
+ (ix86_handle_option): Handle mrdseed option.
+ * config.gcc (i[34567]86-*-*): Add rdseedintrin.h.
+ (x86_64-*-*): Likewise.
+ * config/i386/prfchwintrin.h: New header.
+ * config/i386/cpuid.h (bit_RDSEED): New.
+ * config/i386/driver-i386.c (host_detect_local_cpu): Detect
+ RDSEED support.
+ * config/i386/i386-c.c: Define __RDSEED__ if needed.
+ * config/i386/i386.c (ix86_target_string): Define -mrdseed option.
+ (PTA_RDSEED): New.
+ (ix86_option_override_internal): Handle new option.
+ (ix86_valid_target_attribute_inner_p): Add OPT_mrdseed.
+ (ix86_builtins): Add enum entries for RDSEED* builtins.
+ (ix86_init_mmx_sse_builtins): Define new builtins.
+ (ix86_expand_builtin): Expand RDSEED* builtins.
+ * config/i386/i386.h (TARGET_RDSEED): New.
+ * config/i386/i386.md (rdseed<mode>_1): New.
+ * config/i386/i386.opt (mrdseed): New.
+ * config/i386/x86intrin.h: Include rdseedintrin.h.
+
+2012-07-30 Richard Guenther <rguenther@suse.de>
+
+ * tree-into-ssa.c (mark_def_sites): Also process virtual operands.
+ (rewrite_stmt): Likewise.
+ (rewrite_enter_block): Likewise.
+ (pass_build_ssa): Do not update virtual SSA form during TODO.
+ (mark_symbol_for_renaming): Do nothing if we are not in SSA form.
+ * lto-streamer-in.c (lto_read_body): Set in_ssa_p earlier.
+
+2012-07-30 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/39423
+ * config/sh/sh.md (*movsi_index_disp, *movhi_index_disp): New
+ insns.
+
+2012-07-30 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md (mov_neg_si_t): Move to Scc instructions section.
+ Use t_reg_operand predicate. Add split for negated case.
+ (ashrsi2_31): Pass get_t_reg_rtx to gen_mov_neg_si_t.
+ * config/sh/sh.c (expand_ashiftrt): Likewise.
+
+2012-07-30 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/sh.md (ashlsi3_d): Invoke gen_shifty_op directly instead
+ of trying to emit ashlsi3_n.
+
+2012-07-30 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+ Steven Bosscher <steven@gcc.gnu.org>
+
+ * gengtype.c (adjust_field_type): Diagnose duplicate "length"
+ option applications and option being applied to arrays of atomic types.
+ (walk_type): Allow "atomic" option on strings too.
+ * dwarf2out.h (struct dw_vec_struct): Use the "atomic" GTY option
+ for the array field.
+ * vec.h: Describe the atomic object "A" type of the macros in
+ the header comment.
+ (VEC_T_GTY_ATOMIC, DEF_VEC_A, DEF_VEC_ALLOC_A): Define.
+ * emit-rtl.c (locations_locators_vals): use the atomic object vector.
+ * doc/gty.texi: Clarify that GTY option "length" is only for
+ arrays of non-atomic objects. Fix typo in the description of the
+ "atomic" option.
+
+2012-07-27 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_avoid_lea_for_addr): Handle
+ zero-extended addresses. Return false if the address has less
+ than two components.
+ (ix86_split_lea_for_addr): Unconditionally convert target and
+ all address operands to requested mode.
+ * config/i386/i386.md (*lea<mode>): Recover operands from curr_insn.
+ Pass SImode to ix86_split_lea_for_addr when splitting zero-extended
+ address.
+ (zero-extended add splitter): New splitter to conditionally split
+ non-destructive adds.
+ (*zero_extendsidi2_rex64): Conditionally emit leal instead of movl.
+
+2012-07-28 Alan Modra <amodra@gmail.com>
+
+ PR target/54093
+ * config/rs6000/rs6000.c (rs6000_secondary_reload): Limit 32-bit
+ multi-gpr reload to cases where predicate passes. Do the same for
+ 64-bit multi-gpr reload.
+
+2012-07-27 Nathan Froyd <froydnj@gcc.gnu.org>
+
+ * expmed.h (alg_hash, alg_hash_used_p, sdiv_pow2_cheap,
+ smod_pow2_cheap, zero_cost, add_cost, neg_cost, shift_cost)
+ shiftadd_cost, shiftsub0_cost, shiftsub1_cost, mul_cost,
+ sdiv_cost, udiv_cost, mul_widen_cost, mul_highpart_cost): Delete
+ macro definitions and re-purpose as inline functions.
+ (alg_hash_entry_ptr, set_alg_hash_used_p, sdiv_pow2_cheap_ptr,
+ set_sdiv_pow2_cheap, smod_pow2_cheap_ptr, set_smod_pow2_cheap,
+ zero_cost_ptr, set_zero_cost, add_cost_ptr, set_add_cost,
+ neg_cost_ptr, set_neg_cost, shift_cost_ptr, set_shift_cost,
+ shiftadd_cost_ptr, set_shiftadd_cost, shiftsub0_cost_ptr,
+ set_shiftsub0_cost, shiftsub1_cost_ptr, set_shiftsub1_cost,
+ mul_cost_ptr, set_mul_cost, sdiv_cost_ptr, set_sdiv_cost,
+ udiv_cost_ptr, set_udiv_cost, mul_widen_cost_ptr,
+ set_mul_widen_cost, mul_highpart_cost_ptr, set_mul_highpart_cost):
+ New functions.
+ (convert_cost_ptr): New function, split out from...
+ (set_convert_cost, convert_cost): ...here.
+ * expmed.c, tree-ssa-loop-ivopts.c: Update for new functions.
+ * gimple-ssa-strength-reduction.c: Likewise.
+
+2012-07-20 Ryan Mansfield <rmansfield@qnx.com>
+
+ * gcc.c (main): Move GCC_DRIVER_HOST_INITIALIZATION after
+ diagnostic_initialize.
+
+2012-07-27 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/sh.c (shiftcosts): Remove case where first operand
+ is a const_int. Move COSTS_N_INSNS usage into caller ...
+ (sh_rtx_costs) ... here. Return false when shiftcosts cannot be
+ calculated instead of MAX_COST.
+
+2012-07-27 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (gimple_can_merge_blocks_p): Do more fine-grained
+ check whether SSA form is not up-to-date.
+ * tree-flow.h (name_mappings_registered_p): Remove.
+ * tree-into-ssa.c (struct repl_map_d): Remove.
+ (repl_tbl): Likewise.
+ (struct ssa_name_info): Add repl_set member.
+ (update_ssa_obstack): New static global.
+ (get_ssa_name_ann): Initialize repl_set.
+ (clear_ssa_name_info): Assert age did not wrap.
+ (repl_map_hash, repl_map_eq, repl_map_free): Remove.
+ (names_replaced_by): Adjust.
+ (add_to_repl_tbl): Likewise.
+ (dump_tree_ssa_stats): Likewise.
+ (init_update_ssa): Initialize update_ssa_obstack.
+ (delete_update_ssa): Free update_ssa_obstack.
+ (name_mappings_registered_p): Remove.
+ (update_ssa): Adjust.
+
+2012-07-27 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/constraints.md: Delete "q" constraint.
+ * config/rs6000/dfp.md (movsd_hardfloat, movsd_softfloat):
+ Delete the "q" alternative.
+ * config/rs6000/predicates.md (gpc_reg_operand): Adjust.
+ * config/rs6000/rs6000.c (rs6000_debug_reg_global)
+ (rs6000_init_hard_regno_mode_ok, rs6000_dbx_register_number):
+ adjust to MQ_REGNO removal.
+ * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust
+ comment.
+ (REG_ALLOC_ORDER): Adjust comment. Remove MQ from alloc order.
+ (enum reg_class): Adjust comment. Delete MQ_REGS.
+ (REG_CLASS_CONTENTS): Adjust.
+ (REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES): Adjust comment.
+ * config/rs6000/rs6000.md: Delete MQ_REGNO.
+ (movsi_internal1, movsi_internal1_single, movhi_internal,
+ movqi_internal, movcc_internal1, movsf_hardfloat,
+ movsf_softfloat): Delete the "q" alternative.
+ (ctr<mode>_internal1, ctr<mode>_internal2, ctr<mode>_internal5,
+ ctr<mode>_internal6): Delete "q" constraint.
+
+2012-07-27 Richard Guenther <rguenther@suse.de>
+
+ * tree-into-ssa.c (def_blocks_p): New typedef.
+ (insert_phi_nodes_compare_def_blocks): New function.
+ (insert_phi_nodes): Do not walk over referenced vars, instead
+ walk over recorded def_blocks, record relevant ones and sort
+ them to avoid repeated hashtable lookups.
+
+2012-07-27 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (min-virtual-mappings, virtual-mappings-ratio):
+ Remove param documentation.
+ * params.def (PARAM_MIN_VIRTUAL_MAPPINGS,
+ PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Remove.
+ * tree-flow.h (mark_set_for_renaming): Remove.
+ * tree-into-ssa.c (struct update_ssa_stats_d): Remove.
+ (add_new_name_mapping): Remove bookkeeping code.
+ (dump_update_ssa): Remove stats dumping code.
+ (init_update_ssa): Remove stats allocation code.
+ (delete_update_ssa): Remove stats freeing code.
+ (mark_set_for_renaming): Remove.
+ (switch_virtuals_to_full_rewrite_p): Likewise.
+ (switch_virtuals_to_full_rewrite): Likewise.
+ (update_ssa): Do not call switch_virtuals_to_full_rewrite.
+
+2012-07-27 Marek Polacek <polacek@redhat.com>
+
+ * cgraphunit.c: Rename varpool_finalize_variable to
+ varpool_finalize_decl in a comment.
+
+2012-07-27 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * common/config/rs6000/rs6000-common.c (rs6000_handle_option):
+ Delete code for -mno-power, -mpower, and -mpower2.
+ * config/rs6000/aix43.h (NON_POWERPC_MASKS): Delete.
+ (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
+ with -maix64.
+ (ASM_CPU_SPEC): Delete support for POWER and POWER2.
+ * config/rs6000/aix51.h (NON_POWERPC_MASKS): Delete.
+ (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
+ with -maix64.
+ (ASM_CPU_SPEC): Delete support for POWER and POWER2.
+ * config/rs6000/aix52.h (NON_POWERPC_MASKS): Delete.
+ (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
+ with -maix64.
+ (TARGET_POWER): Delete.
+ * config/rs6000/aix53.h (NON_POWERPC_MASKS): Delete.
+ (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
+ with -maix64.
+ (TARGET_POWER): Delete.
+ * config/rs6000/aix61.h (NON_POWERPC_MASKS): Delete.
+ (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
+ with -maix64.
+ (TARGET_POWER): Delete.
+ * config/rs6000/darwin.h (TARGET_POWER): Delete.
+ * config/rs6000/driver-rs6000.c (struct asm_names): Delete
+ support for -mpower, -mpower2, and -mno-power.
+ * config/rs6000/rs6000-c.c (rs6000_target_modify_macros):
+ Likewise.
+ (rs6000_cpu_cpp_builtins): Likewise.
+ * config/rs6000/rs6000-cpus.def: Likewise.
+ * config/rs6000/rs6000-tables.opt: Regenerate.
+ * config/rs6000/rs6000.c (POWER_MASKS): Delete.
+ (rs6000_option_override_internal): Adjust.
+ (rs6000_conditional_register_usage): Adjust.
+ (rs6000_emit_move): Adjust.
+ (rs6000_common_init_builtins): Adjust.
+ (rs6000_init_libfuncs): Adjust.
+ (rs6000_output_function_prologue): Adjust.
+ (rs6000_adjust_cost): Adjust.
+ (struct rs6000_opt_masks): Delete MASK_POWER and MASK_POWER2.
+ * config/rs6000/rs6000.h (ASM_CPU_SPEC): Delete support for
+ POWER and POWER2.
+ (TARGET_DEFAULT): Adjust.
+ (PROCESSOR_POWER): Delete.
+ (SHIFT_COUNT_TRUNCATED): Adjust.
+ * config/rs6000/rs6000.md (extendqisi2): Delete POWER support.
+ (extendqisi2_power): Delete.
+ (extendqisi2_no_power): Adjust.
+ (extendqihi2, extendqihi2_power, extendqihi2_no_power):
+ Likewise.
+ (sminsi3, smaxsi3, uminsi3, umaxsi3): Adjust.
+ (anonymous doz insn patterns): Delete.
+ (abssi2): Adjust.
+ (abssi2_power): Delete.
+ (abssi2_nopower): Adjust.
+ (nabs_power, nabs_nopower): Likewise.
+ (mulsi3, mulsi3_mq, mulsi3_no_mq, mulsi3_mq_internal1):
+ Likewise. Delete anonymous post-reload splitter.
+ (mulsi3_no_mq_internal1): rename to...
+ (mulsi3_internal1): New define_insn.
+ (mulsi3_mq_internal2, mulsi3_no_mq_internal2, mulsi3_internal2):
+ Likewise.
+ (divmodsi4, divmodsi4_internal, udiv<mode>3, udivsi3_mq,
+ udivsi3_no_mq, udivsi3, div<mode>3, divsi3_mq, div<mode>3_no_mq,
+ udivmodsi4_normal, udivmodsi4_tests, udivmodsi4): Likewise.
+ (mulh_call, mull_call, divss_call, divus_call, quoss_call,
+ quous_call): Likewise.
+ (maskir_internal1, maskir_internal2, maskir_internal3,
+ maskir_internal4, maskir_internal5, maskir_internal6,
+ maskir_internal7, maskir_internal8): Delete.
+ (ashlsi3, ashlsi3_power, ashlsi3_no_power): Adjust.
+ (anonymous sl insn patterns): Delete.
+ (lshrsi3, lshrsi3_power, lshrsi3_no_power): Adjust.
+ (lshrsi3_64): Adjust.
+ (anonymous sr insn patterns): Delete.
+ (anonymous rrib insn patterns): Delete.
+ (ashrsi3, ashrsi3_power, ashrsi3_no_power): Adjust.
+ (anonymous sra insn patterns): Delete.
+ (sqrtsf2, sqrtdf2, sqrtdf2_fpr): Adjust.
+ (fix_trunc<mode>si2, fix_trunc<mode>si2_internal,
+ fctiwz_<mode>): Adjust.
+ (mulsidi3, mulsidi3_mq, mulsidi3_no_mq, umulsidi3, umulsidi3_mq,
+ umulsidi3_no_mq, smulsi3_highpart, smulsi3_highpart_mq,
+ smulsi3_highpart_no_mq, umulsi3_highpart, umulsi3_highpart_mq,
+ umulsi3_highpart_no_mq): Adjust.
+ (ashldi3_power, lshrdi3_power, ashrdi3_power): Delete.
+ (ashrdi3_no_power, ashldi3, ashldi3_internal1,
+ lshrdi3_internal1): Adjust.
+ (fix_trunctfsi2, fix_trunctfsi2_fprs): Adjust.
+ (movti_power): Delete.
+ (movti_string): Adjust.
+ (stmsi8, stmsi7, stmsi6, stmsi5, stmsi4, stmsi3): Adjust.
+ (stmsi8_power, stmsi7_power, stmsi6_power, stmsi5_power,
+ stmsi4_power, stmsi3_power): Delete.
+ (anonymous movmemsi insn patterns): Adjust.
+ (lfq_power2, stfq_power2): Delete.
+ (eq<mode>, eq<mode>_compare): Adjust.
+ (eqsi_power): Delete.
+ (ne0si): Adjust.
+ (anonymous le, lt, ge, gt insn patterns): Delete.
+ * config/rs6000/rs6000.opt (mpower, mno-power, mpower2): Delete.
+ * config/rs6000/sysv4.h (TARGET_POWER): Delete.
+ * config/rs6000/t-aix43 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
+ MULTILIB_MATCHES): Adjust.
+ * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
+ -mpower, -mno-power, -mpower2, -mno-power2 documentation.
+ Delete -mcpu=power and -mcpu=power2 documentation.
+
+2012-07-27 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/601.md: New file.
+ * config/rs6000/aix43.h (ASM_CPU_SPEC): Delete support for
+ RIOS CPUs.
+ * config/rs6000/aix51.h (ASM_CPU_SPEC): Likewise.
+ * config/rs6000/driver-rs6000.c (detect_processor_aix,
+ struct asm_names): Likewise.
+ * config/rs6000/rios1.md: Delete file.
+ * config/rs6000/rios2.md: Delete file.
+ * config/rs6000/rs6000-cpus.def: Delete definitions for RIOS
+ CPUs.
+ * config/rs6000/rs6000-opts.h (enum processor_type): Delete
+ PROCESSOR_RIOS1 and PROCESSOR_RIOS2.
+ * config/rs6000/rs6000-tables.opt: Regenerated.
+ * config/rs6000/rs6000.c (struct rios1_cost, struct rios2_cost):
+ Delete.
+ (rs6000_option_override_internal): Delete support for RIOS CPUs.
+ (rs6000_conditional_register_usage): Adjust comment.
+ (rs6000_issue_rate):Delete support for RIOS CPUs.
+ * config/rs6000/rs6000.h (ASM_CPU_SPEC): Delete support for
+ RIOS CPUs.
+ (PROCESSOR_POWER): Change to PROCESSOR_PPC601.
+ (PROCESSOR_DEFAULT): Change to PROCESSOR_PPC603.
+ * config/rs6000/rs6000.md (define_attr "cpu"): Delete rios1
+ and rios2.
+ (include "rios1.md", include "rios2.md"): Delete.
+ (include "601.md"): New.
+ * config/rs6000/rs6000.opt (enum rs6000_cpu): Default to
+ PROCESSOR_PPC603.
+ * config/rs6000/t-aix43 (MULTILIB_MATCHES): Delete support
+ for RIOS CPUs.
+ * config/rs6000/t-rs6000 (MD_INCLUDES): Delete rios1.md and
+ rios2.md . Add 601.md .
+
+2012-07-26 Richard Henderson <rth@redhat.com>
+
+ * doc/extend.texi (attribute): Document hot/cold for labels.
+ * predict.c (tree_estimate_probability_bb): Handle hot/cold
+ attributes on user labels.
+ * predict.def (PRED_HOT_LABEL, PRED_COLD_LABEL): New.
+
+2012-07-26 Andrew Jenner <andrew@codesourcery.com>
+ Sandra Loosemore <sandra@codesourcery.com>
+
+ * cse.c (find_comparison_args): Check for cycles of any length.
+
+2012-07-26 Nick Clifton <nickc@redhat.com>
+
+ * config/mn10300/mn10300.c (REG_SAVE_BYTES): Delete.
+ (mn10300_get_live_callee_saved_regs): If requested return a count
+ of the number of bytes in the mask.
+ (mn10300_expand_prologue): Add argument to invocation of
+ mn10300_get_live_callee_regs.
+ (mn10300_expand_epilogue): Compute reg_save_bytes by calling
+ mn10300_get_live_callee_saved_regs.
+ (mn10300_initial_offset): Likewise.
+ * config/mn10300/mn10300-protos.h (mn10300_get_live_callee_saved_regs):
+ Update prototype.
+ * config/mn10300/mn10300.md (return_ret): Add argument to
+ invocation of mn10300_get_live_callee_saved_regs.
+
+2012-07-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR regression/54084
+ * sel-sched-ir.c (cmp_v_in_regset_pool): Clarify logic, fix
+ pointer difference check.
+
+2012-07-26 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * tree-ssa-loop-ivopts.c (mbc_entry_hash): Remove.
+ (mbc_entry_eq): Likewise.
+ (mult_costs): Likewise.
+ (cost_tables_exist): Likewise.
+ (initialize_costs): Likewise.
+ (finalize_costs): Likewise.
+ (tree_ssa_iv_optimize_init): Remove call to initialize_costs.
+ (add_regs_cost): Remove.
+ (multiply_regs_cost): Likewise.
+ (add_const_cost): Likewise.
+ (extend_or_trunc_reg_cost): Likewise.
+ (negate_reg_cost): Likewise.
+ (struct mbc_entry): Likewise.
+ (multiply_by_const_cost): Likewise.
+ (get_address_cost): Change add_regs_cost calls to add_cost lookups;
+ change multiply_by_const_cost to mult_by_coeff_cost.
+ (force_expr_to_var_cost): Likewise.
+ (difference_cost): Change multiply_by_const_cost to mult_by_coeff_cost.
+ (get_computation_cost_at): Change add_regs_cost calls to add_cost
+ lookups; change multiply_by_const_cost to mult_by_coeff_cost.
+ (determine_iv_cost): Change add_regs_cost calls to add_cost lookups.
+ (tree_ssa_iv_optimize_finalize): Remove call to finalize_costs.
+ * tree-ssa-address.c (expmed.h): New #include.
+ (most_expensive_mult_to_index): Change multiply_by_const_cost to
+ mult_by_coeff_cost.
+ * gimple-ssa-strength-reduction.c (expmed.h): New #include.
+ (stmt_cost): Change to use mult_by_coeff_cost, mul_cost, add_cost,
+ neg_cost, and convert_cost instead of IVOPTS interfaces.
+ (execute_strength_reduction): Remove calls to initialize_costs and
+ finalize_costs.
+ * expmed.c (struct init_expmed_rtl): Add convert rtx_def.
+ (init_expmed_one_mode): Initialize convert rtx_def; initialize
+ x_convert_cost for related modes.
+ (mult_by_coeff_cost): New function.
+ * expmed.h (NUM_MODE_INT): New #define.
+ (struct target_expmed): Add x_convert_cost matrix.
+ (set_convert_cost): New inline function.
+ (convert_cost): Likewise.
+ (mult_by_coeff_cost): New extern decl.
+ * tree-flow.h (initialize_costs): Remove decl.
+ (finalize_costs): Likewise.
+ (multiply_by_const_cost): Likewise.
+ (add_regs_cost): Likewise.
+ (multiply_regs_cost): Likewise.
+ (add_const_cost): Likewise.
+ (extend_or_trunc_reg_cost): Likewise.
+ (negate_reg_cost): Likewise.
+ * Makefile.in (gimple-ssa-strength-reduction.o): Update dependencies.
+ (tree-ssa-address.o): Update dependencies.
+
+2012-07-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ * bitmap.h: Add explanation of sparse set as linked-list bitmap.
+ * sbitmap.h: Add explanation about non-sparse sets as simple bitmap.
+ (TEST_BIT): Make a static inline function for stronger type checking.
+ (SET_BIT): Don't handle sbitmaps with popcount.
+ (RESET_BIT): Likewise.
+ (SET_BIT_WITH_POPCOUNT): New, like SET_BIT but with popcount.
+ (RESET_BIT_WITH_POPCOUNT): New, like RESET_BIT but with popcount.
+ * ebitmap.c (ebitmap_clear_bit): Use SET_BIT_WITH_POPCOUNT and
+ RESET_BIT_WITH_POPCOUNT on wordmask bitmaps.
+ (ebitmap_set_bit, ebitmap_and_into, ebitmap_and, ebitmap_ior_into,
+ ebitmap_and_compl_into, ebitmap_and_compl): Likewise.
+ * sparseset.h: Add explanation of sparse set representation.
+
+2012-07-26 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54098
+ * tree-vrp.c (vrp_visit_phi_node): Iterate once more if the
+ original range was UNDEFINED.
+
+2012-07-26 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ * config/arm/neon.ml (ops): Fix regexp for vld1Q_dups64 and
+ vld1Q_dupu64 tests.
+
+2012-07-26 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.opt (mzdcbranch): New option.
+ * doc/invoke.texi: Document it.
+ * config/sh/sh.md (negsi_cond): Use TARGET_ZDCBRANCH as condition
+ instead of TARGET_HARD_SH4.
+ * config/sh/sh.c (sh_option_override): Set TARGET_ZDCBRANCH as default
+ for TARGET_HARD_SH4.
+
+2012-07-25 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/54089
+ * config/sh/predicates.md (shift_count_operand): Handle not-SHMEDIA
+ case.
+ (p27_shift_count_operand, not_p27_shift_count_operand): New predicates.
+ * config/sh/sh.md (ashlsi3): Remove parallel and T_REG clobber
+ from expander. Do not emit shift insn for not-SHMEDIA case.
+ (ashlsi3_std): Replace with ...
+ (ashlsi3_k, ashlsi3_d): ... these new insns.
+ * config/sh/sh.c (gen_ashift): Make static. Add sanity checks.
+ Emit ashlsi3_k insn instead of ashlsi3_std in ASHIFT case.
+ (gen_ashift_hi): Make static.
+ * config/sh/sh-protos.h (gen_ashift, gen_ashift_hi): Remove forward
+ declaration.
+
+2012-07-25 Bharathi Seshadri <bseshadr@cisco.com>
+ Jim Wilson <jimwilso@cisco.com>
+
+ * config/arm/bpabi.h (BE8_LINK_SPEC): Set according to
+ TARGET_BIG_ENDIAN_DEFAULT.
+
+2012-07-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimple-low.c (lower_try_catch): New function.
+ (lower_stmt) <GIMPLE_TRY>: Use it to lower GIMPLE_TRY_CATCH.
+ <GIMPLE_CATCH>: Delete.
+ <GIMPLE_EH_FILTER>: Likewise.
+
+2012-07-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (expand_expr_real_1): Do not expand operand #1 and #2
+ of BIT_FIELD_REF for ignored results.
+ * fold-const.c (fold_ternary_loc) <BIT_FIELD_REF>: Check that the
+ CONSTRUCTOR has vector type before using vector accessors on it.
+ * gimplify.c (gimplify_compound_lval): Do not gimplify operand #1 and
+ #2 of BIT_FIELD_REF.
+ (gimplify_expr) <BIT_FIELD_REF>: Likewise.
+ * tree-nested.c (convert_nonlocal_reference_op) <BIT_FIELD_REF>: Do
+ not process operand #1 and #2.
+ (convert_local_reference_op): Likewise.
+ * tree-ssa-pre.c (create_component_ref_by_pieces_1): Remove superfluous
+ breaks throughout.
+ <BIT_FIELD_REF>: Reuse operand #1 and #2 directly.
+ * tree.c (stabilize_reference) <BIT_FIELD_REF>: Do not stabilize
+ operand #1 and #2.
+ (UPDATE_FLAGS): Do not consider operand #2 of BIT_FIELD_REF.
+ (build6_stat): Delete.
+ * tree.h (build6_stat, build6, build6_stat_loc, build6_loc): Likewise.
+
+2012-07-25 Marc Glisse <marc.glisse@inria.fr>
+
+ PR tree-optimization/30318
+ * tree-vrp.c (extract_range_from_binary_expr_1) [PLUS_EXPR]:
+ Handle __int128.
+ [MINUS_EXPR]: Merge with PLUS_EXPR.
+
+2012-07-25 Sandra Loosemore <sandra@codesourcery.com>
+ Paul Brook <paul@codesourcery.com>
+
+ PR target/53633
+ * target.def (warn_func_return): New hook.
+ * doc/tm.texi.in (TARGET_WARN_FUNC_RETURN): New hook.
+ * doc/tm.texi: Regenerate.
+ * doc/sourcebuild.texi (Effective-Target Keywords): Document
+ naked_functions.
+ * ipa-pure-const.c (warn_function_noreturn): Check
+ targetm.warn_func_return.
+ * tree-cfg.c (execute_warn_function_return): Likewise.
+ * config/spu/spu.c (spu_warn_func_return): New.
+ (TARGET_WARN_FUNC_RETURN): Define.
+ * config/rx/rx.c (rx_warn_func_return): New.
+ (TARGET_WARN_FUNC_RETURN): Define.
+ * config/avr/avr.c (avr_warn_func_return): New.
+ (TARGET_WARN_FUNC_RETURN): Define.
+ * config/arm/arm.c (arm_warn_func_return): New.
+ (TARGET_WARN_FUNC_RETURN): Define.
+ * config/mcore/mcore.c (mcore_warn_func_return): New.
+ (TARGET_WARN_FUNC_RETURN): Define.
+ (saved_warn_return_type, saved_warn_return_type_count): Remove.
+ (mcore_reorg, mcore_handle_naked_attribute): Remove warn_return hack.
+
+2012-07-25 Siddhesh Poyarekar <siddhesh@redhat.com>
+
+ * final.c [ASSEMBLER_DIALECT](do_assembler_dialects): New
+ function to implement assembler dialects.
+ (output_asm_insn): Use do_assembler_dialects.
+ (asm_fprintf): Likewise.
+
+2012-07-25 Richard Henderson <rth@redhat.com>
+
+ PR bootstrap/54092
+ * libfuncs.h: Don't include optabs.h.
+ (struct libfunc_entry): Use "int" for op, mode1, mode2 members.
+ * optabs.c (hash_libfunc): Don't cast members to int.
+ * Makefile.in (LIBFUNCS_H): Don't include OPTABS_H.
+
+2012-07-25 Dodji Seketeli <dodji@redhat.com>
+
+ * basic-block.c: Fix typo in comment.
+
+2012-07-25 Kirill Yukhin <kirill.yukhin@intel.com>
+ Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * common/config/i386/i386-common.c (OPTION_MASK_ISA_PRFCHW_SET): New.
+ (OPTION_MASK_ISA_PRFCHW_UNSET): Likewise.
+ (ix86_handle_option): Handle mprfchw option.
+ * config.gcc (i[34567]86-*-*): Add prfchwintrin.h.
+ (x86_64-*-*): Likewise.
+ * config/i386/prfchwintrin.h: New header.
+ * config/i386/cpuid.h (bit_PRFCHW): New.
+ (bit_BMI): Formatting fix.
+ (bit_HLE): Likewise.
+ (bit_RTM): Likewise.
+ * config/i386/driver-i386.c (host_detect_local_cpu): Detect
+ PREFETCHW support.
+ * config/i386/i386-c.c: Define __PRFCHW__ if needed.
+ * config/i386/i386.c (ix86_target_string): Define
+ -mprfchw option. Formatting fixes.
+ (PTA_HLE): Formatting fix.
+ (PTA_PRFCHW): New.
+ (ix86_option_override_internal): Handle new option.
+ (ix86_valid_target_attribute_inner_p): Add OPT_mprfchw.
+ * config/i386/i386.h (TARGET_PRFCHW): New.
+ * config/i386/i386.md (prefetch): Enable for TARGET_PRFCHW.
+ * config/i386/i386.opt (mprfchw): New.
+ * config/i386/mm3dnow.h: Move _m_prefetchw from here to prfchwintrin.h.
+ * config/i386/x86intrin.h: Include prfchwintrin.h.
+
+2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
+
+ * config/i386/i386.md (stack_protect_set): Disable the pattern
+ for Android since Android libc (bionic) does not provide random
+ value for stack protection guard at gs:0x14. Guard value
+ will be provided from external symbol (default implementation).
+ (stack_protect_set_<mode>): Likewise.
+ (stack_protect_test): Likewise.
+ (stack_protect_test_<mode>): Likewise.
+ * defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
+ not have Bionic by default
+ * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
+ Macro OPTION_BIONIC is defined in this file and provides Bionic
+ accessibility status
+
+2012-07-25 Steven Bosscher <steven@gcc.gnu.org>
+
+ * gimple-pretty-print.c (gimple_dump_bb_buff): Call pp_flush.
+
+2012-07-25 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
+
+ btver2 Enablement
+ * config.gcc (i[34567]86-*-linux* | ...): Add btver2.
+ (case ${target}): Add btver2.
+ * config/i386/driver-i386.c (host_detect_local_cpu): Let
+ -march=native recognize btver2 processors.
+ * config/i386/i386-c.c (ix86_target_macros_internal): Add
+ btver2 def_and_undef
+ * config/i386/i386.c (struct processor_costs btver2_cost): New
+ btver2 cost table.
+ (m_BTVER2): New definition.
+ (m_AMD_MULTIPLE): Includes m_BTVER2.
+ (initial_ix86_tune_features): Add btver2 tune.
+ (processor_target_table): Add btver2 entry.
+ (static const char *const cpu_names): Add btver2 entry.
+ (software_prefetching_beneficial_p): Add btver2.
+ (ix86_option_override_internal): Add btver2 instruction sets.
+ (ix86_issue_rate): Add btver2.
+ (ix86_adjust_cost): Add btver2.
+ * config/i386/i386.h (TARGET_BTVER2): New definition.
+ (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver2.
+ (enum processor_type): Add PROCESSOR_BTVER2.
+ * config/i386/i386.md (define_attr "cpu"): Add btver2.
+
+2012-07-24 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * doc/tm.texi: Regenerate.
+ * targhooks.c (default_init_cost): Add prologue and epilogue costs.
+ (default_add_stmt_cost): Likewise; also handle NULL stmt_info.
+ (default_finish_cost): Add prologue and epilogue costs.
+ * targhooks.h (default_add_stmt_cost): Change parameter list.
+ (default_finish_cost): Likewise.
+ * target.def (init_cost): Change documentation string.
+ (add_stmt_cost): Change documentation string and parameter list.
+ (finish_cost): Likewise.
+ * target.h (vect_cost_model_location): New enum.
+ * tree-vectorizer.h (struct _slp_tree): Remove cost substruct.
+ (struct _slp_instance): Remove cost substruct; rename stmt_cost_vec
+ to body_cost_vec.
+ (SLP_INSTANCE_OUTSIDE_OF_LOOP_COST): Remove.
+ (SLP_INSTANCE_STMT_COST_VEC): Rename to SLP_INSTANCE_BODY_COST_VEC.
+ (SLP_TREE_OUTSIDE_OF_LOOP_COST): Remove.
+ (struct _vect_peel_extended_info): Rename stmt_cost_vec to
+ body_cost_vec.
+ (struct _stmt_vec_info): Remove cost substruct.
+ (STMT_VINFO_OUTSIDE_OF_LOOP_COST): Remove.
+ (stmt_vinfo_set_outside_of_loop_cost): Remove.
+ (builtin_vectorization_cost): New function.
+ (vect_get_stmt_cost): Change to use builtin_vectorization_cost.
+ (add_stmt_cost): Change parameter list.
+ (finish_cost): Likewise.
+ (vect_model_simple_cost): Likewise.
+ (vect_model_store_cost): Likewise.
+ (vect_model_load_cost): Likewise.
+ (record_stmt_cost): Likewise.
+ (vect_get_load_cost): Likewise.
+ (vect_get_known_peeling_cost): Likewise.
+ * tree-vect-loop.c (vect_get_known_peeling_cost): Change parameter
+ list; call record_stmt_cost for prologue and epilogue costs.
+ (vect_estimate_min_profitable_iters): Call add_stmt_cost for
+ prologue and epilogue costs; remove computation of vec_outside_cost;
+ return vec_prologue_cost and vec_epilogue_cost from finish_cost.
+ (vect_model_reduction_cost): Revise call to add_stmt_cost for body
+ costs; call add_stmt_cost for prologue and epilogue costs.
+ (vect_model_induction_cost): Revise call to add_stmt_cost for body
+ costs; call add_stmt_cost for prologue costs.
+ * tree-vect-data-refs.c (vect_get_data_access_cost): Change parameter
+ list for function and arguments for calls to vect_get_load_cost and
+ vect_get_store_cost.
+ (vect_peeling_hash_get_lowest_cost): Change argument list for calls to
+ vect_get_data_access_cost and vect_get_known_peeling_cost; use
+ temporary vectors prologue_cost_vec and epilogue_cost_vec for the
+ latter call and discard their results; rename stmt_cost_vec to
+ body_cost_vec; correct possible storage leak for body_cost_vec.
+ (vect_peeling_hash_choose_best_peeling): Rename stmt_cost_vec to
+ body_cost_vec.
+ (vect_enhance_data_refs_alignment): Rename stmt_cost_vec to
+ body_cost_vec; add extra dummy parameter on calls to
+ vect_get_data_access_cost; tolerate null si->stmt; add vect_body to
+ argument list on call to add_stmt_cost.
+ * tree-vect-stmts.c (record_stmt_cost): Change parameter list;
+ rename stmt_cost_vec to body_cost_vec; tolerate null stmt_info; call
+ builtin_vectorization_cost; add "where" parameter on call to
+ add_stmt_cost.
+ (vect_model_simple_cost): Change parameter list; call record_stmt_cost
+ for prologue costs; remove call to stmt_vinfo_set_outside_of_loop_cost;
+ rename stmt_cost_vec to body_cost_vec.
+ (vect_model_promotion_demotion_cost): Add vect_body argument to call
+ to add_stmt_cost; call add_stmt_cost for prologue costs; remove call
+ to stmt_vinfo_set_outside_of_loop_cost.
+ (vect_model_store_cost): Change parameter list; call record_stmt_cost
+ for prologue costs; add vect_body argument to call to record_stmt_cost;
+ rename stmt_cost_vec to body_cost_vec; remove call to
+ stmt_vinfo_set_outside_of_loop_cost.
+ (vect_get_store_cost): Rename stmt_cost_vec to body_cost_vec; add
+ vect_body argument to calls to record_stmt_cost.
+ (vect_model_load_cost): Change parameter list; rename stmt_cost_vec to
+ body_cost_vec; add vect_body argument to calls to record_stmt_cost;
+ remove call to stmt_vinfo_set_outside_of_loop_cost.
+ (vect_get_load_cost): Change parameter list; rename stmt_cost_vec to
+ body_cost_vec; add vect_body argument to calls to record_stmt_cost;
+ call record_stmt_cost for prologue costs.
+ (vectorizable_store): Change argument list for call to
+ vect_model_store_cost.
+ (vectorizable_load): Change argument list for call to
+ vect_model_load_cost.
+ (new_stmt_vec_info): Remove assignment to
+ STMT_VINFO_OUTSIDE_OF_LOOP_COST.
+ * config/spu/spu.c (spu_init_cost): Add prologue and epilogue costs.
+ (spu_add_stmt_cost): Likewise; also handle NULL stmt_info.
+ (spu_finish_cost): Add prologue and epilogue costs.
+ * config/i386/i386.c (i386_init_cost): Add prologue and epilogue costs.
+ (i386_add_stmt_cost): Likewise; also handle NULL stmt_info.
+ (i386_finish_cost): Add prologue and epilogue costs.
+ * config/rs6000/rs6000.c (rs6000_init_cost): Add prologue and epilogue
+ costs.
+ (rs6000_add_stmt_cost): Likewise; also handle NULL stmt_info.
+ (rs6000_finish_cost): Add prologue and epilogue costs.
+ * tree-vect-slp.c (vect_free_slp_instance): Rename
+ SLP_INSTANCE_STMT_COST_VEC to SLP_INSTANCE_BODY_COST_VEC.
+ (vect_create_new_slp_node): Remove assignment to
+ SLP_TREE_OUTSIDE_OF_LOOP_COST.
+ (vect_get_and_check_slp_defs): Change parameter list; change argument
+ lists to calls to vect_model_store_cost and vect_model_simple_cost.
+ (vect_build_slp_tree): Change parameter list; change argument lists
+ to calls to vect_model_load_cost, vect_get_and_check_slp_defs, and
+ recursive self-calls; remove setting of outside_cost from
+ SLP_TREE_OUTSIDE_OF_LOOP_COST; add vect_body argument to call to
+ record_stmt_cost.
+ (vect_analyze_slp_instance): Rename stmt_cost_vec to body_cost_vec;
+ rename SLP_INSTANCE_STMT_COST_VEC to SLP_INSTANCE_BODY_COST_VEC;
+ remove assignment to SLP_INSTANCE_OUTSIDE_OF_LOOP_COST; record SLP
+ prologue costs.
+ (vect_bb_vectorization_profitable_p): Rename stmt_cost_vec to
+ body_cost_vec; handle null ci->stmt; add vect_body argument to call
+ to add_stmt_cost; simplify calls to targetm.vectorize.
+ builtin_vectorization_cost; return vec_prologue_cost and
+ vec_epilogue_cost from finish_cost.
+ (vect_update_slp_costs_according_to_vf): Rename stmt_cost_vec to
+ body_cost_vec; add vect_body argument to call to add_stmt_cost.
+
+2012-07-24 Richard Henderson <rth@redhat.com>
+
+ * system.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Poison.
+ * config/cris/cris.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
+ * config/h8300/h8300.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
+ * config/mn10300/mn10300.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
+ * config/rs6000/rs6000.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove
+ comment reference.
+ * config/v850/v850.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
+ * config/v850/v850.md (fixuns_truncsfsi2, fixuns_truncdfsi2): New.
+ (fix_truncsfsi2, fix_truncdfsi2): Avoid double FIX.
+ * config/vax/vax.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
+ * config/vax/vax.md (fixuns_trunc<VAXfp><VAXint>): New.
+ * doc/tm.texi.in (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
+ * doc/tm.texi: Rebuild.
+
+2012-07-24 Richard Henderson <rth@redhat.com>
+
+ * optabs.def: New file.
+ * Makefile.in (OPTABS_H): Add insn-opinit.h.
+ (MOSTLYCLEANFILES): Likewise.
+ (insn-opinit.o): Remove reload.h
+ (simple_rtl_generated_c): Remove insn-opinit.c.
+ (s-opinit): New rule.
+ (build/genopinit.o): Add optabs.def.
+ * genopinit.c (rtx_upname): New.
+ (optabs): Extract to optabs.def
+ (enum optab_tag, struct optab_def_d, optabs): New.
+ (struct pattern_d, patterns): New.
+ (match_pattern): Split out from ...
+ (gen_insn): ... here. Push matches on patterns vec.
+ (pattern_cmp, optab_kind_cmp, optab_rcode_cmp): New.
+ (header_file_name, source_file_name, handle_arg): New.
+ (open_outfile): New.
+ (main): Sort and emit new tables. Generate lookup_handler,
+ raw_optab_handler, swap_optab_enable.
+ * libfuncs.h (libfunc_entry): Change "size_t optab" to "optab op".
+ * optabs.c (code_to_optab_): Remove.
+ (hash_libfunc): Update for optab name change.
+ (eq_libfunc): Likewise.
+ (convert_optab_libfunc): Update computation of optab member;
+ use the new convlib_def table.
+ (optab_libfunc): Similarly.
+ (set_optab_libfunc, set_conv_libfunc): Likewise.
+ (sign_expand_binop): Use swap_optab_enable instead of fake optabs.
+ (init_insn_codes, init_optab, init_optabv, init_convert_optab): Remove.
+ (init_optabs): Don't call them; export the data to optabs.def.
+ (gen_int_libfunc, gen_fp_libfunc): Export non-static.
+ (gen_fixed_libfunc, gen_signed_fixed_libfunc): Likewise.
+ (gen_unsigned_fixed_libfunc, gen_int_fp_libfunc): Likewise.
+ (gen_intv_fp_libfunc, gen_int_fp_fixed_libfunc): Likewise.
+ (gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc): Likewise.
+ (gen_int_signed_fixed_libfunc): Likewise.
+ (gen_int_unsigned_fixed_libfunc): Likewise.
+ (gen_interclass_conv_libfunc, gen_int_to_fp_conv_libfunc): Likewise.
+ (gen_ufloat_conv_libfunc): Likewise.
+ (gen_int_to_fp_nondecimal_conv_libfunc): Likewise.
+ (gen_fp_to_int_conv_libfunc, gen_intraclass_conv_libfunc): Likewise.
+ (gen_trunc_conv_libfunc, gen_extend_conv_libfunc): Likewise.
+ (gen_fract_conv_libfunc, gen_fractuns_conv_libfunc): Likewise.
+ (gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): Likewise.
+ (debug_optab_libfuncs): Update for optab representation change.
+ * optabs.h: Include insn-opinit.h.
+ (optab, convert_optab, direct_optab): New typedefs.
+ (struct optab_handlers, struct widening_optab_handlers): Remove.
+ (struct optab_libcall_d): Rename from optab_d; remove code_,
+ handlers, widening members.
+ (struct convert_optab_libcall_d): Rename from convert_optab_d;
+ remove code_ and handlers members.
+ (enum optab_index, enum convert_optab_index): Remove.
+ (enum direct_optab_index): Remove.
+ (code_to_optab_): Fix array range.
+ (optab_to_code): Covert to inline function.
+ (optab_to_code_, convlib_def, normlib_def): Declare.
+ (raw_optab_handler, swap_optab_enable): Declare.
+ (unknown_optab): Remove; export to optabs.def
+ (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
+ usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
+ ssashl_optab, usashl_optab, add_optab, sub_optab, smul_optab,
+ addv_optab, subv_optab, smul_highpart_optab, umul_highpart_optab,
+ smul_widen_optab, umul_widen_optab, usmul_widen_optab,
+ smadd_widen_optab, umadd_widen_optab, ssmadd_widen_optab,
+ usmadd_widen_optab, smsub_widen_optab, umsub_widen_optab,
+ ssmsub_widen_optab, usmsub_widen_optab, sdiv_optab, smulv_optab,
+ sdivv_optab, sdivmod_optab, udiv_optab, udivmod_optab, smod_optab,
+ umod_optab, fmod_optab, remainder_optab, ftrunc_optab, and_optab,
+ ior_optab, xor_optab, ashl_optab, lshr_optab, ashr_optab, rotl_optab,
+ rotr_optab, vashl_optab, vlshr_optab, vashr_optab, vrotl_optab,
+ vrotr_optab, smin_optab, smax_optab, umin_optab, umax_optab, pow_optab,
+ atan2_optab, fma_optab, fms_optab, fnma_optab, fnms_optab, mov_optab,
+ movstrict_optab, movmisalign_optab, storent_optab, neg_optab,
+ negv_optab, abs_optab, absv_optab, one_cmpl_optab, bswap_optab,
+ ffs_optab, clz_optab, ctz_optab, clrsb_optab, popcount_optab,
+ parity_optab, sqrt_optab, sincos_optab, sin_optab, asin_optab,
+ cos_optab, acos_optab, exp_optab, exp10_optab, exp2_optab, expm1_optab,
+ ldexp_optab, scalb_optab, significand_optab, logb_optab, ilogb_optab,
+ log_optab, log10_optab, log2_optab, log1p_optab, floor_optab,
+ ceil_optab, btrunc_optab, round_optab, nearbyint_optab, rint_optab,
+ tan_optab, atan_optab, copysign_optab, signbit_optab, isinf_optab,
+ cmp_optab, ucmp_optab, eq_optab, ne_optab, gt_optab, ge_optab,
+ lt_optab, le_optab, unord_optab, strlen_optab, cbranch_optab,
+ cmov_optab, cstore_optab, ctrap_optab, push_optab, addcc_optab,
+ reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab,
+ reduc_splus_optab, reduc_uplus_optab, ssum_widen_optab,
+ usum_widen_optab, sdot_prod_optab, udot_prod_optab, vec_set_optab,
+ vec_extract_optab, vec_init_optab, vec_shl_optab, vec_shr_optab,
+ vec_realign_load_optab, vec_widen_umult_hi_optab,
+ vec_widen_umult_lo_optab, vec_widen_smult_hi_optab,
+ vec_widen_smult_lo_optab, vec_widen_umult_even_optab,
+ vec_widen_umult_odd_optab, vec_widen_smult_even_optab,
+ vec_widen_smult_odd_optab, vec_widen_ushiftl_hi_optab,
+ vec_widen_ushiftl_lo_optab, vec_widen_sshiftl_hi_optab,
+ vec_widen_sshiftl_lo_optab, vec_unpacks_hi_optab, vec_unpacks_lo_optab,
+ vec_unpacku_hi_optab, vec_unpacku_lo_optab, vec_unpacks_float_hi_optab,
+ vec_unpacks_float_lo_optab, vec_unpacku_float_hi_optab,
+ vec_unpacku_float_lo_optab, vec_pack_trunc_optab, vec_pack_ssat_optab,
+ vec_pack_usat_optab, vec_pack_sfix_trunc_optab,
+ vec_pack_ufix_trunc_optab, powi_optab, sync_compare_and_swap_optab,
+ sync_lock_test_and_set_optab, sync_old_add_optab, sync_old_sub_optab,
+ sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab,
+ sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab,
+ sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab,
+ sync_new_nand_optab, sext_optab, zext_optab, trunc_optab, sfix_optab,
+ ufix_optab, sfixtrunc_optab, ufixtrunc_optab, sfloat_optab,
+ ufloat_optab, lrint_optab, lround_optab, lfloor_optab, lceil_optab,
+ fract_optab, fractuns_optab, satfract_optab, satfractuns_optab,
+ vec_load_lanes_optab, vec_store_lanes_optab, vcond_optab, vcondu_optab,
+ movcc_optab, reload_in_optab, reload_out_optab, movmem_optab,
+ setmem_optab, cmpstr_optab, cmpstrn_optab, cmpmem_optab,
+ sync_lock_release_optab, sync_add_optab, sync_sub_optab,
+ sync_ior_optab, sync_and_optab, sync_xor_optab, sync_nand_optab,
+ atomic_exchange_optab, atomic_compare_and_swap_optab,
+ atomic_load_optab, atomic_store_optab, atomic_add_fetch_optab,
+ atomic_sub_fetch_optab, atomic_and_fetch_optab,
+ atomic_nand_fetch_optab, atomic_xor_fetch_optab, atomic_or_fetch_optab,
+ atomic_fetch_add_optab, atomic_fetch_sub_optab, atomic_fetch_and_optab,
+ atomic_fetch_nand_optab, atomic_fetch_xor_optab, atomic_fetch_or_optab,
+ atomic_add_optab, atomic_sub_optab, atomic_and_optab,
+ atomic_nand_optab, atomic_xor_optab, atomic_or_optab,
+ atomic_always_lock_free_optab, atomic_is_lock_free_optab,
+ atomic_thread_fence_optab, atomic_signal_fence_optab,
+ vec_perm_optab, vec_perm_const_optab): Likewise.
+ (struct target_optabs): Remove x_optab_table, x_convert_optab_table,
+ and x_direct_optab_table members; add pat_enable.
+ (optab_table, convert_optab_table, direct_optab_table): Remove.
+ (optab_handler): Use raw_optab_handler.
+ (widening_optab_handler, convert_optab_handler): Likewise.
+ (set_optab_handler, set_widening_optab_handler): Remove.
+ (set_convert_optab_handler, set_direct_optab_handler): Remove.
+ (direct_optab_handler): Defer to optab_handler.
+ * rtl.h (NON_GENERATOR_NUM_RTX_CODE): New.
+
+2012-07-24 Jason Merrill <jason@redhat.com>
+
+ * bitmap.c (bitmap_descriptor): Adjust order of parameters to
+ match MEM_STAT_DECL.
+ * statistics.h (ALONE_FINAL_MEM_STAT_DECL): Correct typo.
+
+2012-07-24 Richard Henderson <rth@redhat.com>
+
+ * optabs.h (struct optab_d): Rename code member to code_.
+ (struct convert_optab_h): Likewise.
+ (code_to_optab_): Rename from code_to_optab.
+ (code_to_optab, optab_to_code): New.
+ * dojump.c (do_compare_rtx_and_jump): Use code_to_optab.
+ * ifcvt.c (noce_emit_move_insn): Likewise.
+ * optabs.c (simplify_expand_binop): Use optab_to_code.
+ (expand_simple_binop, shift_optab_p, commutative_optab_p): Likewise.
+ (avoid_expensive_constant, expand_binop_directly): Likewise.
+ (expand_binop, expand_simple_unop, expand_unop_direct): Likewise.
+ (expand_unop, prepare_float_lib_cmp, expand_fixed_convert): Likewise.
+ (have_insn_for, debug_optab_libfuncs): Likewise.
+ (init_optab, init_optabv, init_convert_optab): Update for optab
+ member name change.
+
+ * libfuncs.h: Include optabs.h.
+ * dwarf2out.c, lto-streamer.in.c: Don't include libfuncs.h.
+ * Makefile.in (LIBFUNCS_H): Add OPTABS_H.
+ (lto-streamer-in.o, dwarf2out.o): Update deps.
+
+ * optabs.h (unknown_optab): New.
+ * builtins.c (interclass_mathfn_icode): Use it.
+ * dojump.c (do_compare_rtx_and_jump): Likewise.
+ * optabs.c (optab_for_tree_code, expand_binop): Likewise.
+ * tree-vect-generic.c (add_rshift, expand_vector_divmod): Likewise.
+ (expand_vector_operations_1): Likewise.
+ * tree-vect-patterns.c (vect_recog_divmod_pattern): Likewise.
+ * tree-vect-stmts.c (supportable_narrowing_operation): Likewise.
+
+2012-07-24 Steven Bosscher <steven@gcc.gnu.org>
+
+ * alloc-pool.c (create_alloc_pool): Fix ENABLE_CHECKING check.
+
+2012-07-24 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR target/54051
+ * config/arm/arm.c (arm_print_operand_address): Remove superfluous
+ printing of 0.
+ * config/arm/neon.md ("neon_vld3_lane<mode>":VD): Remove alignment
+ specifier.
+ ("neon_vld3_lane<mode>":VMQ): Likewise.
+ ("neon_vld3_dup<mode>":VDX): Likewise.
+ ("neon_vst3_lane<mode>":VD): Likewise.
+ ("neon_vst3_lane<mode>":VMQ): Likewise.
+
+2012-07-24 Roland McGrath <mcgrathr@google.com>
+
+ * arm.c (arm_get_frame_offsets): Don't use fixed regs for
+ stack alignment padding.
+
+2012-07-24 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53961
+ * config/i386/i386.c (ix86_legitimate_address_p): Move check for
+ negative constant address for TARGET_X32 ...
+ (ix86_decompose_address): ... here. Reject constant addresses
+ that don't satisfy x86_64_immediate_operand predicate.
+
+2012-07-24 Julian Brown <julian@codesourcery.com>
+
+ * doc/sourcebuild.texi (arm_hf_eabi): Document effective-target check.
+
+2012-07-24 Steven Bosscher <steven@gcc.gnu.org>
+
+ * sbitmap.h (SBITMAP_ELT_BITS): Use "1u" trick as for BITMAP_WORD_BITS.
+ Move test to check that there is a popcount function for the the number
+ of bits in SBITMAP_ELT_BITS to sbitmap.c.
+ * sbitmap.c: Test SBITMAP_ELT_BITS, not HOST_BITS_PER_WIDEST_FAST_INT.
+ MEM_STAT_INFO): Define in terms of their ALONE counterparts.
+
+ * configure.ac (GATHER_STATISTICS): Always define, non-zero if enabled.
+ * configure: Regenerate.
+ * statistics.h (GATHER_STATISTICS): Error out if it is not defined.
+ (GCC_MEM_STAT_ARGUMENTS): New define.
+ (ALONE_MEM_STAT_DECL): Define in terms of GCC_MEM_STAT_ARGUMENTS.
+ (ALONE_FINAL_MEM_STAT_DECL, ALONE_FINAL_PASS_MEM_STAT): New defines.
+ (MEM_STAT_DECL, FINAL_MEM_STAT_DECL, PASS_MEM_STAT,
+ FINAL_PASS_MEM_STAT): Define.
+ * ggc-internal.h (ggc_record_overhead): Use FINAL_MEM_STAT_DECL.
+ * ggc.h (ggc_record_overhead, ggc_free_overhead,
+ ggc_prune_overhead_list): Remove internal prototypes, they are defined
+ already in ggc-internal.h.
+ * ggc-common.c (struct loc_descriptor): Remove #ifdef GATHER_STATISTICS
+ wrappers.
+ (add_statistics): Likewise.
+ (dump_ggc_loc_statistics): Likewise. Return if GATHER_STATISTICS is 0.
+ * ggc-zone.c (struct page_entry): Remove #ifdef GATHER_STATISTICS
+ wrappers around "survived" and "stats" members.
+ (alloc_large_page): Always initialize survived.
+ (ggc_internal_alloc_zone_stat): Likewise.
+ Remove #ifdef GATHER_STATISTICS wrappers. Record overhead if
+ GATHER_STATISTICS is non-0.
+ (ggc_free): Convert #ifdef GATHER_STATISTICS to if-code.
+ (sweep_pages): Always increase survived.
+ (ggc_collect_1): Convert #ifdef GATHER_STATISTICS to if-code.
+ (calculate_average_page_survival): Always define.
+ (ggc_collect): Convert #ifdef GATHER_STATISTICS to if-code.
+ (ggc_print_statistics): Likewise.
+ (ggc_pch_read): Likewise.
+ * ggc-page.c (struct globals): Always define "stats" member.
+ (ggc_internal_alloc_stat): Convert #ifdef GATHER_STATISTICS to if-code.
+ (ggc_free): Likewise.
+ (ggc_collec): Likewise.
+ (ggc_print_statistics): Likewise.
+ * bitmap.h (struct bitmap_head_def): Always define "desc" member.
+ (bitmap_initialize_stat): Convert #ifdef GATHER_STATISTICS to if-code.
+ * gimple.h (enum gimple_alloc_kind): Always define.
+ (gimple_alloc_kind): Likewise.
+ * tree-flow.h (phinodes_print_statistics): Always define.
+ (ssanames_print_statistics): Likewise.
+ * vec.h (vec_heap_free): Always define.
+ (VEC_stack_alloc): Define if GATHER_STATISTICS is non-0.
+ * alloc-pool.c (alloc_pool_descriptor): Always define.
+ (create_alloc_pool): Convert #ifdef GATHER_STATISTICS to if-code.
+ (empty_alloc_pool): Likewise.
+ (pool_alloc): Likewise.
+ (pool_free): Likewise.
+ (dump_alloc_pool_statistics): Likewise.
+ (print_statistics): Always define.
+ * bitmap.c (struct bitmap_descriptor): Always define.
+ (bitmap_register): Pass ALONE_FINAL_PASS_MEM_STAT.
+ (register_overhead): Always define.
+ (bitmap_element_free): Convert #ifdef GATHER_STATISTICS to if-code.
+ (bitmap_element_allocate): Likewise.
+ (bitmap_elt_clear_from): Likewise.
+ (bitmap_obstack_alloc_stat): Likewise.
+ (bitmap_gc_alloc_stat): Likewise.
+ (bitmap_obstack_free): Likewise.
+ (bitmap_find_bit): Likewise.
+ (bitmap_ior_and_into): Likewise.
+ (bitmap_print): Likewise.
+ (dump_bitmap_statistics): Likewise. Return if GATHER_STATISTICS is 0.
+ * gimple.c (gimple_alloc_counts, gimple_alloc_sizes): Always define.
+ (gimple_alloc_kind_names): Likewise.
+ (gimple_alloc_stat): Convert #ifdef GATHER_STATISTICS to if-code.
+ (dump_gimple_statistics): Likewise. Return if GATHER_STATISTICS is 0.
+ * rtl.c (rtx_alloc_counts, rtx_alloc_sizes, rtvec_alloc_counts,
+ rtvec_alloc_sizes): Always define.
+ (rvec_alloc): Convert #ifdef GATHER_STATISTICS to if-code.
+ (rtx_alloc_stat): Likewise.
+ (dump_rtx_statistics): Likewise. Return if GATHER_STATISTICS is 0.
+ * tree.c (_obstack_allocated_p, tree_code_counts, tree_node_counts,
+ tree_node_sizes, tree_node_kind_names): Always define.
+ (record_node_allocation_statistics): Convert #ifdef GATHER_STATISTICS
+ to if-code.
+ (type_hash_canon): Likewise.
+ (dump_tree_statistics): Likewise.
+ * tree-ssanames.c (ssa_name_nodes_reused, ssa_name_nodes_created):
+ Always define.
+ (ssanames_print_statistics): Likewise.
+ (make_ssa_name_fn): Convert #ifdef GATHER_STATISTICS to if-code.
+ * tree-phinodes.c (phi_nodes_reused, phi_nodes_created): Always define.
+ (phinodes_print_statistics): Likewise.
+ (allocate_phi_node): Convert #ifdef GATHER_STATISTICS to if-code.
+ * vec.c (struct vec_descriptor): Always define.
+ (hash_descriptor, eq_descriptor, ptr_hash_entry, hash_ptr, eq_ptr,
+ vec_descriptor, rester_overhead, free_overhead): Likewise.
+ (cmp_statistic): Likewise.
+ (vec_heap_free): Convert #ifdef GATHER_STATISTICS to if-code.
+ (vec_heap_o_reserve_1): Likewise.
+ (dump_vec_loc_statistics): Likewise.
+
+2012-07-24 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53616
+ * tree-loop-distribution.c (ldist_gen): Do not change
+ partition ordering when merging partitions.
+
+2012-07-24 Alan Modra <amodra@gmail.com>
+
+ PR target/53914
+ PR target/54009
+ * config/rs6000/constraints.md (Y): Use mem_operand_gpr.
+ * config/rs6000/predicates.md (word_offset_memref_operand): Delete.
+ Adjust all rs6000_legitimate_offset_address_p calls.
+ * config/rs6000/rs6000-protos.h (mem_operand_gpr): Declare.
+ (rs6000_secondary_reload_gpr): Declare.
+ (rs6000_legitimate_offset_address_p): Update prototype.
+ (rs6000_offsettable_memref_p): Delete.
+ (rs6000_secondary_reload_ppc64): Delete.
+ * config/rs6000/rs6000.c (address_offset): New function.
+ (mem_operand_gpr): Likewise.
+ (rs6000_legitimate_offset_address_p): Add worst_case param. When
+ not worst_case assume class of regs with least restrictive offsets.
+ Adjust all calls.
+ (legitimate_lo_sum_address_p): Simplify register mode tests.
+ (rs6000_legitimize_address): Likewise. Assume best case offset
+ addressing. Combine ELF and MACHO lo_sum code.
+ (rs6000_mode_dependent_address): Correct offset addressing limits.
+ (rs6000_offsettable_memref_p): Make static, add reg_mode param.
+ Use reg_mode to help rs6000_legitimate_offset_address_p.
+ (rs6000_secondary_reload): Use address_offset. Handle 32-bit multi
+ gpr load/store when offset too large.
+ (rs6000_secondary_reload_gpr): Renamed rs6000_secondary_reload_ppc64.
+ (rs6000_split_multireg_move): Adjust rs6000_offsettable_memref_p calls.
+ * config/rs6000/rs6000.md (movdf_hardfloat32): Use 'Y' constraint
+ for gpr load/store. Order alternatives as r->Y,Y->r,r->r and
+ d->m,m->d,d->d. Correct size of gpr load/store.
+ (movdf_softfloat32): Use 'Y' constraint for gpr load/store. Order
+ alternatives.
+ (movti_ppc64): Likewise.
+ (movdi_internal32): Likewise. Also disparage fprs.
+ (movdi_mfpgpr, movdi_internal64): Likewise.
+ (movtf_internal): Use 'm' for fpr load/store. Order alternatives.
+ (movtf_softfloat): Order alternatives.
+ (extenddftf2_internal): Use 'm' and 'Y' for store.
+ (movti_power, movti_string): Use 'Y' for gpr load/store. Order.
+ (stack_protect_setdi, stack_protect_testdi): Likewise.
+ (movdf_hardfloat64_mfpgpr, movdf_hardfloat64): Order alternatives.
+ (movdf_softfloat64): Likewise.
+ (reload_<mode>_store): Adjust reload_di_store to provide
+ reload_si_store as well.
+ (reload_<mode>_load): Likewise.
+
+2012-07-23 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/predicates.md (general_movsrc_operand,
+ general_movdst_operand): Reject T_REG.
+ * config/sh/sh.md (*extendqisi2_compact_reg, *extendhisi2_compact_reg,
+ movsi_i, movsi_ie, movsi_i_lowpart, *movqi_reg_reg, *movhi_reg_reg):
+ Remove T_REG alternatives.
+ (*negtstsi): New insn.
+
+2012-07-23 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53511
+ * config/sh/sh.md (mulsf3_ie): Delete.
+ (mulsf3_i4): Rename to mulsf3_i.
+ (mulsf3): Emit mulsf3_i insn.
+
+2012-07-23 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md (addc1, subc1): Delete.
+ (adddi3_compact): Use addc instead of addc1.
+ (subdi3_compact): Use subc instead of subc1.
+
+2012-07-23 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
+ * config/i386/i386.c (ix86_lea_outperforms): Make static. Make
+ split_cost argument signed.
+ (ix86_avoid_lea_for_add): Cleanup.
+ (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
+ (ix86_avoid_lea_for_addr): Ditto. Make split_cost signed.
+ Use gen_lowpart instead of gen_rtx_SUBREG. Cleanup.
+
+2012-07-23 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * config/arm/arm.c (arm_reorg): Ensure all insns are split.
+
+2012-07-23 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53961
+ * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
+ * config/i386/i386.c (ix86_print_operand_address): Ditto.
+ (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
+ addresses. Prevent zero extensions of CONST_INT operands.
+
+2012-07-23 Steven Bosscher <steven@gcc.gnu.org>
+
+ * sbitmap.h (struct int_list): Remove.
+ (sbitmap_intersect_of_predsucc, sbitmap_union_of_predsucc):
+ Remove prototypes of non-existing function.
+ (sbitmap_intersect_of_predecessors, sbitmap_intersect_of_successors,
+ sbitmap_union_of_predecessors, sbitmap_union_of_successors): Remove
+ unused defines.
+ (sbitmap_intersection_of_succs, sbitmap_intersection_of_preds,
+ sbitmap_union_of_succs, sbitmap_union_of_preds): Move prototypes to...
+ * basic-block.h: ... here.
+ * sbitmap.c: Do not include basic-block.h.
+ (sbitmap_intersection_of_succs, sbitmap_intersection_of_preds,
+ sbitmap_union_of_succs, sbitmap_union_of_preds): Move functions to...
+ * cfganal.c: ... here.
+ * bt-load.c (compute_out, link_btr_uses): Update for above changes.
+ * gcse.c (compute_code_hoist_vbeinout): Likewise.
+ * lcm.c (compute_antinout_edge, compute_available): Likewise.
+ * Makefile.in: Fix sbitmap.o dependencies.
+
+2012-07-23 Jan-Benedict Glaw <jbglaw@lug-owl.de>
+ Nick Clifton <nickc@redhat.com>
+
+ * config/frv/frv-protos.h (frv_ifcvt_machdep_init): Prototype.
+ * config/frv/frv.c (frv_ifcvt_machdep_init): Change type of
+ (unused) parameter to void *.
+
+2012-07-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-alias.c (dump_alias_info): Walk over local decls
+ instead of referenced vars.
+
+2012-07-23 Steven Bosscher <steven@gcc.gnu.org>
+
+ * coverage.c: Refer to "notes file" instead of "graph file"
+ in all comments. Explain history of bbg prefix.
+ * gcov-io.h: Likewise.
+ * gcov.c: Likewise.
+ (find_source): Likewise in fnotice.
+ (read_graph_file): Likewise.
+ (read_count_file): Likewise.
+ * doc/gcov.texi: Document -fprofile-dir flag. Add "notes file"
+ and "data file" explicitly in the explanation of the files.
+
+2012-07-22 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR tree-optimization/53881
+ * tree-cfg.c (group_case_labels_stmt): Look up the basic block
+ for each label and compare them instead of labels.
+
+2012-07-22 Steven Bosscher <steven@gcc.gnu.org>
+
+ * opts.c (common_handle_option): Do not set
+ flag_value_profile_transformations for -fprofile-generate.
+ * profile.c (instrument_values): Use COUNTER_FOR_HIST_TYPE.
+ (BB_TO_GCOV_INDEX): Remove.
+ (output_location): Don't use it.
+ (branch_prob): Likewise. Don't fiddle with the index of
+ ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR. Use clear_aux_for_blocks.
+ (find_spanning_tree):
+ * gcov.c (struct function_info): Document that blocks 0 and 1
+ are the entry resp. exit blocks in gcov, too, like in GCC itself.
+ (solve_flow_graph): Use ENTRY_BLOCK and EXIT_BLOCK for special
+ blocks identification.
+ (output_lines): Likewise.
+ * value-prof.c (gimple_value_profile_transformations): Do not
+ test flag_value_profile_transformations again.
+ (gimple_ic_transform): Take a gimple_stmt_iterator like all other
+ transformation functions.
+ (gimple_values_to_profile):
+ Don't test flag_value_profile_transformations
+ * tree-profile.c (tree_profiling): Assert that the cgraph is in
+ the CGRAPH_STATE_IPA_SSA state.
+ Do not set, or look at, after_tree_profile.
+ * function.h (struct function): Remove after_tree_profile bit.
+ * omp-low.c (expand_omp_taskreg): Don't set after_tree_profile.
+ * tree-inline.c (initialize_cfun): Don't copy it.
+ * lto-streamer-out.c (output_struct_function_base): Don't stream it.
+ * lto-streamer-in.c (input_struct_function_base): Likewise.
+
+2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h (TARGET_DYNSHIFT): New macro.
+ (SH_DYNAMIC_SHIFT_COST): Use it.
+ * config/sh/sh.c (expand_ashiftrt, shl_sext_kind): Likewise.
+ (sh_dynamicalize_shift_p): Add TARGET_DYNSHIFT condition.
+ Add sanity check for input value. Add function description.
+ * config/sh/sh.md (ashlsi3, ashlsi3_std, ashrsi3_d, lshrsi3,
+ lshrsi3_d): Use TARGET_DYNSHIFT.
+
+2012-07-22 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md (negc): Delete expander.
+ (*negc): Rename insn to negc.
+
+2012-07-22 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53961
+ * config/i386/i386.md (*lea): New insn pattern.
+ (*lea_1): Remove.
+ (*lea<mode>_2): Ditto.
+ (*lea_{3,4,5,6}_zext): Ditto.
+ * config/i386/predicates.md (lea_address_operand): Do not reject
+ zero-extended address operands.
+ * config/i386/constraints.md (j): Remove address constraint.
+ * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
+ of an address.
+ (ix86_print_operand_address): Handle SImode subreg of an address.
+ (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
+
+2012-07-22 Hans-Peter Nilsson <hp@axis.com>
+
+ Emit executable-stack note correctly for CRIS targets.
+ * config/cris/cris.c (cris_file_end): New function.
+ (TARGET_ASM_FILE_END): Define.
+
+2012-07-22 Chung-Lin Tang <cltang@codesourcery.com>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+ NetLogic Microsystems Inc.
+
+ * config/mips/mips.c (mips_issue_rate): Handle XLP.
+ * config/mips/mips.md: Include xlp.md.
+ * config/mips/xlp.md: New file.
+
+2012-07-21 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR gcov-profile/32543
+ * profile.c (branch_prob): Update total_num_edges_instrumented and
+ report the number of edges to instrument.
+
+2012-07-21 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md: Correct comment regarding clrt and sett insns.
+
+2012-07-21 Andrew Pinski <apinski@cavium.com>
+
+ * config/mips/mips.md (*popcountdi2_trunc): New pattern
+ to handle popcount of a truncation.
+
+2012-07-21 Andrew Pinski <apinski@cavium.com>
+
+ * config/mips/mips-protos.h (mips_expand_ext_as_unaligned_load):
+ Add a bool argument.
+ * config/mips/mips.c (mips_block_move_straight): Update call to
+ mips_expand_ext_as_unaligned_load.
+ (mips_expand_ext_as_unaligned_load): Add unsigned_p argument.
+ Accept DImode dest when the width is that of SImode.
+ * config/mips/mips.md (extv): Update call to
+ mips_expand_ext_as_unaligned_load.
+ (extzv): Likewise.
+
+2012-07-21 Andrew Pinski <apinski@cavium.com>
+
+ * config/mips/mips.c (mips_get_unaligned_mem): Copy *op after calling
+ adjust_address.
+
+2012-07-20 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/mips/mips.md (define_attr sync_*): Move before "type".
+ (define_attr "type"): New values "atomic" and "syncloop".
+ * config/mips/sync.md (atomic_exchange<mode>, atomic_fetch_add<mode>):
+ Set "type" attribute.
+ * config/mips/generic.md (generic_atomic, generic_syncloop):
+ New reservations.
+ * config/mips/10000.md, config/mips/20kc.md,
+ * config/mips/24k.md, config/mips/4130.md,
+ * config/mips/4k.md, config/mips/5400.md,
+ * config/mips/5500.md, config/mips/5k.md,
+ * config/mips/7000.md, config/mips/74k.md,
+ * config/mips/9000.md, config/mips/loongson2ef.md,
+ * config/mips/loongson3a.md, config/mips/octeon.md,
+ * config/mips/sb1.md, config/mips/sr71k.md,
+ * config/mips/xlr.md: Handle "atomic" and "syncloop" types.
+
+2012-07-20 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md: Group and sort shift related patterns.
+ (ashlsi3_n, *ashlhi3_n, lshrsi3_n): Remove length attributes.
+
+2012-07-20 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.c (cris_asm_output_ident): Remove unused
+ local variables section_asm_op, size, buf.
+
+2012-07-20 Pat Haugen <pthaugen@us.ibm.com>
+ Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/rs6000/power4.md (power4-store-update): Fix reservation.
+ (power4-three): Likewise.
+
+2012-07-20 Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.c (arm_cortex_a15_tune): New tune.
+ * config/arm/arm-cores.def (cortex-a15): Use it.
+
+2012-07-20 Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm-protos.h (tune_params): Add prefer_ldrd_strd.
+ * config/arm/arm.c (arm_slowmul_tune): Initialize it.
+ (arm_fastmul_tune, arm_strongarm_tune): Likewise.
+ (arm_xscale_tune, arm_9e_tune, arm_v6t2_tune): Likewise.
+ (arm_cortex_tune, arm_cortex_a5_tune, arm_cortex_a9_tune): Likewise.
+ (arm_fa726te_tune): Likewise.
+
+2012-07-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (collect_dfa_stats): Simplify.
+ * tree-ssa-structalias.c (compute_may_aliases): Do not dump
+ referenced vars.
+ * cfgexpand.c (estimated_stack_frame_size): Walk over local
+ decls instead of referenced vars.
+ * tree-ssa.c (delete_tree_ssa): Simplify.
+ * tree-tailcall.c (find_tail_calls): Walk over local decls
+ instead of referenced vars.
+ (add_virtual_phis): Remove.
+ (tree_optimize_tail_calls_1): Instead mark the virtual operand
+ for renaming.
+
+2012-07-20 Steven Bosscher <steven@gcc.gnu.org>
+
+ * basic-block.h (BB_FLAGS_TO_PRESERVE): New define.
+ (brief_dump_cfg): Update prototype to take flags argument.
+ (check_bb_profile): Remove prototype.
+ * tracer.c (tracer): Update brief_dump_cfg calls.
+ * cfghooks.c (dump_bb): Do not pass TDF_COMMENT to dump_bb_info.
+ Call dump_bb_info before and after the cfghook dump_bb. Terminate
+ the dump with a newline.
+ (dump_flow_info): Do not call check_bb_profile.
+ * cfg.c (clear_bb_flags): Update using BB_FLAGS_TO_PRESERVE.
+ (check_bb_profile): Make static. Take indent and flags arguments.
+ (dump_bb_info): Always dump loop depth. With TDF_DETAILS, call
+ check_bb_profile. Print one edge per line.
+ (brief_dump_cfg): Take a flags argument, and filter out
+ TDF_COMMENT and TDF_DETAILS.
+ * pretty-print.c (pp_base_newline): Set pp_needs_newline to false.
+ * gimple-pretty-print.c (dump_gimple_bb_header): Do not use
+ dump_bb_info here, it is already called from dump_bb. Idem for
+ check_bb_profile.
+ (dump_gimple_bb_footer): Likewise.
+ (gimple_dump_bb_buff): Call pp_flush after dump_gimple_stmt to
+ avoid broken dumps for statement histograms.
+ (gimple_dump_bb): Handle ENTRY_BLOCK and EXIT_BLOCK. Do
+ not call pp_flush here, the buffer should be empty.
+ * sched-rgn.c (debug_region): Pass TDF_BLOCKS to dump_bb.
+ * sched-vis.c (debug_bb_slim): Likewise.
+ * tree-cfg.c (remove_bb): Pass dump_flags to dump_bb.
+ (gimple_debug_bb): Pass TDF_BLOCKS to dump_bb.
+ (gimple_dump_cfg): Do brief_dump_cfg with TDF_COMMENT.
+ (dump_function_to_file): Do not call check_bb_profile on
+ ENTRY_BLOCK and EXIT_BLOCK, check_bb_profile doesn't handle them.
+ Use dump_bb instead of gimple_dump_bb.
+ (print_loops_bb): Use dump_bb instead of gimple_dump_bb.
+ * passes.c (execute_function_dump): Always call print_rtl_with_bb
+ for RTL dumps.
+ * cfgrtl.c (print_rtl_with_bb): Handle printing without an up-to-date
+ CFG. With TDF_BLOCKS and TDF_DETAILS, do DF dumps at the top and
+ bottom of each basic block.
+
+2012-07-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/54031
+ * tree-ssa-ccp.c (get_value_from_alignment): Use
+ get_pointer_alignment_1.
+
+2012-07-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-inline.c (add_local_variables): Remove check_var_ann
+ parameter and dead code.
+ (expand_call_inline): Adjust.
+ (tree_function_versioning): Likewise.
+
+2012-07-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/28656
+ * tree-vrp.c (nonnull_arg_p): Handle all nonnull attributes instead
+ of just the first one.
+
+2012-07-20 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (get_object_alignment_2): Correct offset handling
+ when using type alignment of a MEM_REF kind base.
+
+2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
+
+ PR target/53877
+ * config/i386/lzcntintrin.h (_lzcnt_u32): New.
+ (_lzcnt_u64): Ditto.
+
+2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
+
+2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
+ defining statement is a SSA name that occurs in abnormal PHIs.
+
+2012-07-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
+ conversions.
+
+2012-07-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/53942
+ * function.c (assign_parm_setup_reg): Avoid zero/sign extension
+ directly from likely spilled non-fixed hard registers, move them
+ to pseudo first.
+
+2012-07-19 Steve Ellcey <sellcey@mips.com>
+
+ * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
+ MIPS16 mode.
+
+2012-07-19 Jason Merrill <jason@redhat.com>
+
+ PR debug/53235
+ * dwarf2out.c (get_die_parent): New.
+ (generate_type_signature): Use it.
+
+2012-07-19 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/vect.md (smulv4hi3_highpart): New.
+ (umulv4hi3_highpart): New.
+ (vec_widen_smult_even_v4hi): Rename from pmpy2_even.
+ (vec_widen_smult_odd_v4hi): Rename from pmpy2_odd.
+ (udot_prodv8qi, sdot_prodv8qi): Remove.
+ (sdot_prodv4hi, udot_prodv4hi): Remove.
+ * config/ia64/ia64.c (ia64_expand_dot_prod_v8qi): Remove.
+ * config/ia64/ia64-protos.h: Update.
+
+ * tree-vect-patterns.c (vect_recog_divmod_pattern): Do not require
+ vectors larger than UNITS_PER_WORD.
+
+ * expr.c (store_constructor): Initialize icode with CODE_FOR_nothing.
+ * tree-vect-stmts.c (vectorizable_operation): Use LAST_INSN_CODE for
+ dummy != CODE_FOR_nothing value.
+
+2012-07-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * doc/tm.texi.in (MODE_AFTER): Add entity as the first macro argument.
+ * doc/tm.texi: Regenerate.
+ * mode-switching.c (optimize_mode_switching): Update MODE_AFTER call.
+ * config/sh/sh.h (MODE_AFTER): Update.
+ * config/epiphany/epiphany.h (MODE_AFTER): Update.
+
+2012-07-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/54017
+ * tree-cfgcleanup.c (cleanup_omp_return): Remove.
+ (cleanup_tree_cfg_bb): Don't call it.
+ * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
+ handling.
+
+2012-07-19 Christian Bruel <christian.bruel@st.com>
+
+ PR target/54029
+ * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
+
+2012-07-19 Richard Guenther <rguenther@suse.de>
+ Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
+ about transition from invariant to known bits.
+ (likely_value): Addresses with UNDEFINED components are UNDEFINED.
+
+2012-07-19 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53970
+ * tree-vect-data-refs.c (not_size_aligned): Avoid sign-compare warning.
+
+2012-07-19 Tristan Gingold <gingold@adacore.com>
+ Richard Henderson <rth@redhat.com>
+
+ * opts.c (finish_options): Handle UI_SEH.
+ * expr.c (build_personality_function): Handle UI_SEH.
+ * dwarf2out.c (dwarf2out_begin_prologue): Handle UI_SEH.
+ * coretypes.h (unwind_info_type): Add UI_SEH.
+ * config/i386/winnt.c (i386_pe_seh_emit_except_personality):
+ New function.
+ (i386_pe_seh_init_sections): Likewise.
+ * config/i386/cygming.h (TARGET_ASM_EMIT_EXCEPT_PERSONALITY): Define.
+ (TARGET_ASM_INIT_SECTIONS): Define.
+ * common/config/i386/i386-common.c (TARGET_EXCEPT_UNWIND_INFO): Define.
+ (i386_except_unwind_info): New function.
+
+2012-07-18 Maciej W. Rozycki <macro@codesourcery.com>
+ Chao-ying Fu <fu@mips.com>
+
+ * config/mips/mips.opt (mmcu): New option.
+ * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
+ _mips_mcu when TARGET_MCU.
+ (ASM_SPEC): Pass mcu options to the assembler.
+ * doc/invoke.texi (MIPS Options): Document -mmcu and -mno-mcu.
+
+2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config.gcc (v850-*-rtems*): New target.
+ * config/v850/rtems.h: New.
+ * config/v850/t-rtems: New.
+
+2012-07-18 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * doc/invoke.texi: Add -fhoist-adjacent-loads and -ftree-slsr to list
+ of flags controlling optimization; add -ftree-slsr to list of flags
+ enabled by default at -O; add -fhoist-adjacent-loads to list of flags
+ enabled by default at -O2; add -fvect-cost-model to list of flags
+ enabled by default at -O3; document -fhoist-adjacent-loads and
+ -ftree-slsr.
+ * opts.c (default_option): Make -ftree-slsr default at -O1 and above.
+ * gimple-ssa-strength-reduction.c (gate_strength_reduction): Use
+ flag_tree_slsr.
+ * common.opt: Add -ftree-slsr with flag_tree_slsr.
+
+2012-07-18 Jie Zhang <jzhang918@gmail.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config/arm/arm.c (arm_rtx_costs_1): Adjust cost for CONST_VECTOR.
+ (arm_size_rtx_costs): Likewise.
+ (neon_valid_immediate): Add a case for double 0.0.
+
+2012-07-18 Andrew Stubbs <ams@codesourcery.com>
+ Mark Shinwell <shinwell@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp)
+ (*movdi_vfp_cortexa8, *movsf_vfp, *thumb2_movsf_vfp)
+ (*movdf_vfp, *thumb2_movdf_vfp, *movsfcc_vfp)
+ (*thumb2_movsfcc_vfp, *movdfcc_vfp, *thumb2_movdfcc_vfp): Add
+ neon_type.
+ * config/arm/arm.md (neon_type): Update comment.
+
+2012-07-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53970
+ * tree.h (contains_packed_reference): Remove.
+ * expr.c (contains_packed_reference): Likewise.
+ * tree-vect-data-refs.c (not_size_aligned): New function.
+ (vector_alignment_reachable_p): Use it.
+ (vect_supportable_dr_alignment): Likewise.
+
+2012-07-18 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (get_object_or_type_alignment): Remove.
+ * builtins.c (get_object_alignment_2): New function copied from
+ get_object_alignment_1. Take extra argument to indicate whether
+ we take the address of EXP. Rework to use type alignment information
+ if not, and return whether the result is an approximation or not.
+ (get_object_alignment_1): Wrap around get_object_alignment_2.
+ (get_pointer_alignment_1): Call get_object_alignment_2 indicating
+ we take the address.
+ (get_object_or_type_alignment): Remove.
+ * expr.c (expand_assignment): Call get_object_alignment.
+ (expand_expr_real_1): Likewise.
+
+2012-07-18 Nick Clifton <nickc@redhat.com>
+
+ * doc/invoke.texi (ARM Options): Document -munaligned-access.
+
+2012-07-18 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md (mulsidi3, umulsidi3): Remove constraints in
+ expander. Use arith_reg_dest predicate.
+ (rotldi3, rotrdi3): Remove constraints in expander.
+ (adddi3_compact, subdi3_compact, mulsidi3_compact, umulsidi3_compact,
+ ashlsi3_n, *ashlhi3_n, ashrsi2_16, ashrsi2_31, lshrsi3_n): Convert to
+ insn_and_split.
+
+2012-07-18 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/33135
+ * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct
+ description.
+ * config/sh/sh.c (sh_option_override): Do not change
+ flag_finite_math_only. Set TARGET_IEEE to complement of
+ flag_finite_math_only.
+ * doc/invoke.texi (SH options): Add mno-ieee. Correct description
+ of mieee and mno-ieee behavior.
+
+2012-07-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * graphite-poly.c (print_pbb_body): Fixup dump_bb call.
+
+2012-07-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * dumpfile.h (TDF_COMMENT): New define.
+ * basic-block.h (EDGE_FALLTHRU, EDGE_ABNORMAL, EDGE_ABNORMAL_CALL,
+ EDGE_EH, EDGE_FAKE, EDGE_DFS_BACK, EDGE_CAN_FALLTHRU,
+ EDGE_IRREDUCIBLE_LOOP, EDGE_SIBCALL, EDGE_LOOP_EXIT, EDGE_TRUE_VALUE,
+ EDGE_FALSE_VALUE, EDGE_EXECUTABLE, EDGE_CROSSING, EDGE_PRESERVE):
+ Move to new file cfg-flags.h.
+ (enum cfg_edge_flags): New enum, using cfg-flags.h.
+ (EDGE_ALL_FLAGS): Compute value automatically.
+ (BB_NEW, BB_REACHABLE, BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK,
+ BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION,
+ BB_DUPLICATED, BB_NON_LOCAL_GOTO_TARGET, BB_RTL,
+ BB_FORWARDER_BLOCK, BB_NONTHREADABLE_BLOCK, BB_MODIFIED, BB_VISITED,
+ BB_IN_TRANSACTION): Move to new file cfg-flags.h.
+ (enum bb_flags): Rename to cfg_bb_flags. Use cfg-flags.h.
+ (BB_ALL_FLAGS): New, compute value automatically.
+ (dump_bb_info): Update prototype.
+ (dump_edge_info): Update prototype.
+ * cfg-flags.h: New file.
+ * cfg.c (dump_edge_info): Take flags argument. Be verbose only if
+ TDF_DETAILS and not TDF_SLIM. Include cfg-flags.h for bitnames.
+ Check that the edge flags are within the range of EDGE_ALL_FLAGS.
+ (debug_bb): Update dump_bb call.
+ (dump_cfg_bb_info): Remove.
+ (dump_bb_info): New function. Use cfg-flags.h for bitnames.
+ Adjust verbosity using TDF_* flags. Check that the basic block flags
+ are within the range of BB_ALL_FLAGS.
+ (brief_dump_cfg): Use dump_bb_info instead of dump_cfg_bb_info.
+ * cfghooks.h (struct cfghooks): Update dump_bb hook, take a FILE
+ first for consistency with other dump functions.
+ (dump_bb): Update prototype accordingly.
+ * cfghooks.c: Include dumpfile.h.
+ (verify_flow_info): Update dump_edge_info calls.
+ (dump_bb): Take a flags argument and pass it around.
+ Use dump_bb_info to dump common information about a basic block.
+ (dump_flow_info): Moved here from cfgrtl.c. Make IL agnostic.
+ (debug_flow_info): Moved here from cfgrtl.c.
+ * profile.c (is_edge_inconsistent): Update dump_bb calls.
+ * loop-invariant.c (find_defs): Update print_rtl_with_bb call.
+ * rtl.h (debug_bb_n_slim, debug_bb_slim, print_rtl_slim,
+ print_rtl_slim_with_bb): Remove prototypes.
+ (dump_insn_slim): Adjust prototype to take a const_rtx.
+ (print_rtl_with_bb): Adjust prototype.
+ * sched-rgn.c (debug_region): Use dump_bb instead of debug_bb_n_slim.
+ * sched-vis.c (dump_insn_slim): Take a const_rtx.
+ (debug_insn_slim): Prototype here near DEBUG_FUNCTION marker.
+ (print_rtl_slim_with_bb): Remove.
+ (print_rtl_slim): Rename to debug_rtl_slim. Print only insn info,
+ not basic block info (print_rtl_with_bb with TDF_SLIM should be used
+ for that. Prototype here near DEBUG_FUNCTION marker.
+ (debug_bb_slim): Prototype here near DEBUG_FUNCTION marker.
+ Use dump_bb.
+ (debug_bb_n_slim): Prototype here near DEBUG_FUNCTION marker.
+ * tree-cfg.c (gimple_can_merge_blocks_p): Use EDGE_COMPLEX.
+ (remove_bb): Update dump_bb call.
+ (gimple_debug_bb): Use dump_bb.
+ (dump_function_to_file): Update gimple_dump_bb call.
+ (print_loops_bb): Likewise.
+ * tree-flow.h (gimple_dump_bb): Update prototype.
+ * gimple-pretty-print.c (dump_bb_header): Rename to
+ dump_gimple_bb_header. Write to a stream instead of a pretty
+ printer. Use dump_bb_info to dump basic block info.
+ (dump_bb_end): Rename to dump_gimple_bb_footer. Write to a
+ stream instead of a pretty printer. Use dump_bb_info.
+ (gimple_dump_bb_buff): Do not call dump_bb_header and dump_bb_end.
+ (gimple_dump_bb): Do it here with dump_gimple_bb_header and
+ dump_gimple_bb_footer.
+ * cfgrtl.c (rtl_dump_bb): Update prototype. Only dump DF if the
+ dump flags have TDF_DETAILS. Use dump_insn_slim if TDF_SLIM.
+ (print_rtl_with_bb): Take a flags argument and pass it around.
+ Use dump_insn_slim if TDF_SLIM.
+ (dump_bb_info): Removed and re-incarnated in cfg.c.
+ (dump_flow_info): Moved to cfghooks.c.
+ (debug_flow_info): Moved to cfghooks.c.
+ * passes.c (execute_function_dump): Unconditionally use
+ print_rtl_with_bb for RTL dumps, now that it understands TDF_SLIM.
+ * final.c (dump_basic_block_info): Update dump_edge_info calls.
+ * tree-vrp.c (dump_asserts_for): Likewise.
+ * ifcvt.c (if_convert): Unconditionally use print_rtl_with_bb.
+ * tree-if-conv.c (if_convertible_bb_p): Don't look at
+ EDGE_ABNORMAL_CALL, it has no meaning in the GIMPLE world.
+ * trans-mem.c (make_tm_edge): Don't set EDGE_ABNORMAL_CALL,
+ for the same reason.
+ * config/rl78/rl78.c (rl78_reorg): Update print_rtl_with_bb calls.
+
+2012-07-17 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-data-refs.c (vect_get_new_vect_var): Add referenced
+ vars here, use create_tmp_reg where appropriate.
+ (vect_create_addr_base_for_vector_ref): Do not add referenced
+ vars here, use create_tmp_reg where appropriate.
+ (vect_create_data_ref_ptr): Likewise.
+ (vect_create_destination_var): Likewise.
+ (vect_permute_store_chain): Likewise.
+ (vect_permute_load_chain): Likewise.
+ * tree-vect-loop-manip.c (vect_create_cond_for_align_checks):
+ Likewise.
+ * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
+ * tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
+ (vect_handle_widen_op_by_const): Likewise.
+ * tree-vect-stmts.c (vect_init_vector): Likewise.
+ (vectorizable_load): Likewise.
+
+2012-07-17 Tom de Vries <tom@codesourcery.com>
+
+ * hwint.c: Fix loop range.
+
+2012-07-17 Tom de Vries <tom@codesourcery.com>
+
+ * double-int.h (double_int_popcount): New inline function.
+ * hwint.c (popcount_hwi): New function.
+ * hwint.h (popcount_hwi): Declare function. New inline function.
+
+2012-07-17 Richard Henderson <rth@redhat.com>
+
+ * tree-vect-stmts.c (supportable_widening_operation): Remove decl
+ parameters.
+ (vectorizable_conversion): Update supportable_widening_operation call.
+ * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
+ (vect_recog_widen_shift_pattern): Likewise.
+ * tree-vectorizer.h: Update decl.
+
+2012-07-17 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+ Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * common/config/arm/arm-common.c (arm_option_optimization_table):
+ Enable -fsched-pressure by default while optimizing.
+ * config/arm/arm.c (arm_option_override): Use the alternate scheduler
+ pressure algorithm by default.
+
+2012-07-16 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h (CONST_OK_FOR_I06): Delete.
+ (CONST_OK_FOR_I10): Move macro to ...
+ * config/sh/sh.c: ... here.
+ (sh_legitimate_index_p): Use satisfies_constraint_I06 instead of
+ CONST_OK_FOR_I06.
+
+2012-07-16 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md: Delete mov related define_peephole patterns.
+
+2012-07-16 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ PR c++/53919
+ * doc/install.texi (Installing GCC): Refer to instructions for
+ released versions. Fix hyphenation.
+
+2012-07-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/spu/spu.c (targetm): Move to bottom of file.
+ (spu_attribute_table): Likewise.
+ (spu_option_override, spu_init_builtins, spu_builtin_decl,
+ spu_scalar_mode_supported_p, spu_vector_mode_supported_p,
+ spu_legitimate_address_p, spu_addr_space_legitimate_address_p,
+ adjust_operand, get_pic_reg, need_to_save_reg, frame_emit_store,
+ frame_emit_load, frame_emit_add_imm, emit_nop_for_insn,
+ insn_clobbers_hbr, spu_emit_branch_hint, spu_emit_vector_compare,
+ get_branch_target, spu_machine_dependent_reorg, spu_sched_issue_rate,
+ spu_sched_variable_issue, spu_sched_adjust_cost, spu_sched_init_global,
+ spu_sched_init, spu_sched_reorder, spu_handle_fndecl_attribute,
+ spu_handle_vector_attribute, spu_pass_by_reference, spu_function_arg,
+ spu_function_arg_advance, spu_build_builtin_va_list, spu_va_start,
+ spu_gimplify_va_arg_expr, store_with_one_insn_p, reg_aligned_for_addr,
+ spu_assemble_integer, spu_asm_globalize_label, spu_rtx_costs,
+ spu_function_ok_for_sibcall, spu_init_libfuncs, spu_return_in_memory,
+ spu_encode_section_info, spu_legitimize_address,
+ spu_addr_space_legitimize_address, spu_builtin_mask_for_load,
+ spu_builtin_vectorization_cost, spu_vector_alignment_reachable,
+ spu_addr_space_pointer_mode, spu_addr_space_address_mode,
+ spu_addr_space_subset_p, spu_addr_space_convert, spu_sms_res_mii,
+ spu_section_type_flags, spu_select_section, spu_unique_section,
+ spu_trampoline_init, spu_conditional_register_usage,
+ spu_ref_may_alias_errno, spu_output_mi_thunk, spu_unwind_word_mode,
+ spu_libgcc_cmp_return_mode, spu_libgcc_shift_count_mode,
+ spu_setup_incoming_varargs): Remove prototypes.
+ (spu_legitimize_address): Add "static" to definition.
+
+2012-07-16 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/rtmintrin.h (_xabort): Remove trailing semicolon.
+
+2012-07-16 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * tree-ssa-ccp.c (optimize_unreachable): Check gsi_end_p
+ before calling gsi_stmt.
+
+2012-07-16 Kirill Yukhin <kirill.yukhin@intel.com>
+
+ Revert
+ 2012-07-16 Sergey Melnikov <sergey.melnikov@intel.com>
+
+ * config/i386/i386.md (stack_protect_set): Disable the pattern
+ for Android since Android libc (bionic) does not provide random
+ value for stack protection guard at gs:0x14. Guard value
+ will be provided from external symbol (default implementation).
+ (stack_protect_set_<mode>): Likewise.
+ (stack_protect_test): Likewise.
+ (stack_protect_test_<mode>): Likewise.
+
+2012-07-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/53959
+ PR bootstrap/53963
+ * gimple.c (gimple_types_compatible_p_1): Restore type attribute
+ comparison.
+
+2012-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * opts.c (default_option): Add -fvect-cost-model to default options
+ at -O3 and above.
+
+2012-07-16 Steven Bosscher <steven@gcc.gnu.org>
+
+ * graphite-clast-to-gimple.c, graphite-dependences.c,
+ graphite-sese-to-poly.c: Include tree-pass.h instead of dumpfile.h
+ for pass TODO flags.
+ * Makefile.in: Fix dependencies.
+
+2012-07-16 Steven Bosscher <steven@gcc.gnu.org>
+
+ * haifa-sched.c (init_before_recovery): Do not set EDGE_CAN_FALLTHRU.
+ * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
+
+ * function.c (stack_protect_epilogue): Use expand_call to expand
+ targetm.stack_protect_fail.
+ * stmt.c (expand_expr_stmt): Remove now-unused function.
+ * tree.h (expand_expr_stmt): Remove prototype.
+ * doc/tm.texi.in (TARGET_STACK_PROTECT_FAIL): Document that this
+ hook must return a CALL_EXPR.
+ * doc/tm.texi: Regenerate.
+
+ * emit-rtl.c (emit_label_before): Do not allow the same label
+ to be emitted twice.
+ (emit_label_after): Likewise.
+ (emit_label): Likewise.
+
+ * flags.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED,
+ TYPE_OVERFLOW_TRAPS, POINTER_TYPE_OVERFLOW_UNDEFINED): Move to tree.h.
+ * tree.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED,
+ TYPE_OVERFLOW_TRAPS, POINTER_TYPE_OVERFLOW_UNDEFINED): New home.
+
+2012-07-16 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h (dump_file): Do not define.
+ * tree-pass.h: Include dumpfile.h, which is a new file containing...
+ (enum tree_dump_index, TDF_*, get_dump_file_name, dump_enabled_p,
+ dump_initialized_p, dump_begin, dump_end, dump_node, dump_switch_p,
+ dump_flag_name, dump_file, dump_flags, dump_file_name,
+ get_dump_file_info, struct dump_file_info): all of this, moved to...
+ * dumpfile.h: Here, new file.
+ * tree-dump.h: Include dumpfile.h, but not tree-pass.h.
+ (dump_stmt): Remove prototype for C++ specific function.
+ (dump_enumerated_decls): Move prototype from here...
+ * tree-flow.h (dump_enumerated_decls): ... to here.
+ (get_ref_base_and_extent) Move prototype from here ...
+ * tree.h (get_ref_base_and_extent) ... to here.
+ * tree-ssa-live.c: Do not inclde tree-pretty-print.h, because
+ gimple-pretty-print.h is enough. Do not include tree-dump.h,
+ include timevar.h and dumpfile.h instead.
+ (struct numbered_tree_d, compare_decls_by_uid,
+ dump_enumerated_decls_push, dump_enumerated_decls): Move from here ...
+ * tree-dfa.c:(struct numbered_tree_d, compare_decls_by_uid,
+ dump_enumerated_decls_push, dump_enumerated_decls):... to here.
+ Do not include timevar.h.
+ * tree.c: Do not include timevar.h.
+ * tree-cfg.c: Do not include langhooks.h, tree-pretty-print.h, and
+ timevar.h.
+ (dump_cfg_stats): Use current_function_name.
+ (gimple_cfg2vcg): Likewise.
+ (dump_function_to_file): Likewise.
+ * df-scan.c: Do not include tree-pass.h and timevar.h.
+ Include dumpfile.h.
+ (df_entry_block_bitmap_verify, df_exit_block_bitmap_verify): Do not
+ use print_current_pass.
+ * df-problems.c: Include dumpfile.h.
+ Always define REG_DEAD_DEBUGGING, avoid #ifdef code, because it
+ leads to errors in the code not selected.
+ (df_note_compute): Do not print_rtl_with_bb here. Fix compilation
+ bug if REG_DEAD_DEBUGGING is not 0, get_insns is not available here.
+ * lcm.c: Include dumpfile.h.
+ Remove obsolete include of insn-attr.h.
+ * dojump.c (do_compare_rtx_and_jump): Remove failure printing for
+ missing probability notes.
+ * stmt.c: Include dumpfile.h.
+ (emit_case_decision_tree): Re-enable printing expand details only
+ if TDF_DETAILS.
+ * alias.c, auto-inc-dec.c, bb-reorder.c, caller-save.c, cfg.c,
+ cfgcleanup.c, cfgexpand.c, cfgloop.c, cfgloopmanip.c, cgraph.c,
+ cgraphclones.c, cgraphunit.c, combine.c, combine-stack-adj.c,
+ coverage.c, cprop.c, cse.c, cselib.c, dbgcnt.c, dce.c, df-core.c,
+ dse.c, dwarf2out.c, emit-rtl.c, except.c, expr.c, final.c,
+ function.c, fwprop.c, gcse.c, gimple-fold.c,
+ gimple-pretty-print.c, gimple-ssa-strength-reduction.c,
+ gimplify.c, graphite-blocking.c, graphite-clast-to-gimple.c,
+ graphite-dependences.c, graphite-interchange.c,
+ graphite-optimize-isl.c, graphite-poly.c,
+ graphite-sese-to-poly.c, haifa-sched.c, hw-doloop.c, ifcvt.c,
+ ipa.c, ipa-cp.c, ipa-inline-analysis.c, ipa-inline.c,
+ ipa-inline-transform.c, ipa-prop.c, ipa-pure-const.c,
+ ipa-reference.c, ipa-split.c, ipa-utils.c, ira.c, ira-emit.c,
+ jump.c, loop-doloop.c, loop-init.c, loop-invariant.c, loop-iv.c,
+ loop-unroll.c, loop-unswitch.c, lower-subreg.c,
+ lto-section-out.c, lto-streamer-in.c, matrix-reorg.c, mcf.c,
+ mode-switching.c, modulo-sched.c, omega.c, omp-low.c, passes.c,
+ plugin.c, postreload.c, postreload-gcse.c, predict.c, print-rtl.c,
+ print-tree.c, profile.c, recog.c, ree.c, regcprop.c, reginfo.c,
+ regmove.c, regrename.c, reg-stack.c, reload1.c, reorg.c,
+ sched-rgn.c, sched-vis.c, sel-sched.c, sel-sched-ir.c,
+ store-motion.c, tracer.c, trans-mem.c, tree-affine.c,
+ tree-call-cdce.c, tree-cfgcleanup.c, tree-chrec.c,
+ tree-data-ref.c, tree-diagnostic.c, tree-dump.c,
+ tree-eh.c, tree-flow-inline.h, tree-if-conv.c, tree-into-ssa.c,
+ tree-mudflap.c, tree-nrv.c, tree-object-size.c,
+ tree-optimize.c, tree-outof-ssa.c, tree-predcom.c,
+ tree-pretty-print.c, tree-profile.c, tree-scalar-evolution.c,
+ tree-sra.c, tree-ssa-address.c, tree-ssa-alias.c, tree-ssa.c,
+ tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-copy.c,
+ tree-ssa-copyrename.c,, tree-ssa-dce.c, tree-ssa-dom.c,
+ tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-ifcombine.c,
+ tree-ssa-loop.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
+ tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
+ tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
+ tree-ssa-loop-prefetch.c, tree-ssa-loop-unswitch.c,
+ tree-ssa-math-opts.c, tree-ssa-operands.c, tree-ssa-phiopt.c,
+ tree-ssa-phiprop.c, tree-ssa-pre.c, tree-ssa-propagate.c,
+ tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-sink.c,
+ tree-ssa-structalias.c, tree-ssa-tail-merge.c, tree-ssa-ter.c,
+ tree-ssa-threadedge.c, tree-ssa-threadupdate.c,
+ tree-ssa-uncprop.c, tree-ssa-uninit.c,
+ tree-switch-conversion.c, tree-tailcall.c,
+ tree-vect-data-refs.c, tree-vect-loop.c,
+ tree-vect-loop-manip.c, tree-vectorizer.c,
+ tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
+ tree-vrp.c, value-prof.c, var-tracking.c, web.c: Include tree-pass.h
+ only if needed. If tree-pass.h is included, do not include timevar.h
+ and dumpfile.h. If tree-pass.h is not included but dump_file, or
+ dump_flags, or the TDF_* flags are used, include dumpfile.h.
+ If gimple-pretty-print.h is included, don't include
+ tree-pretty-print.h. Remove assorted unnecessary includes.
+
+ * config/mn10300/mn10300.c, config/c6x/c6x.c, config/ia64/ia64.c,
+ config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
+ config/spu/spu.c, config/mep/mep.c, config/i386/i386.c:
+ Include dumpfile.h.
+ * config/rl78/rl78.c: Include dumpfile.h instead of tree-pass.h.
+ * arm/t-arm, avr/t-avr, i386/t-i386, ia64/t-ia64, mep/t-mep,
+ spu/t-spu-elf: Fix dependencies.
+
+2012-07-16 Dehao Chen <dehao@google.com>
+
+ Revert
+ 2012-07-10 Dehao Chen <dehao@google.com>
+
+ * tree.h (phi_arg_d): New field.
+ * tree-flow-inline.h (gimple_phi_arg_block): New function.
+ (gimple_phi_arg_block_from_edge): New function.
+ (gimple_phi_arg_set_block): New function.
+ (gimple_phi_arg_has_block): New function.
+ (redirect_edge_var_map_block): New function.
+ * tree-flow.h (_edge_var_map): New field.
+ * tree-ssa-live.c (remove_unused_locals): Mark phi_arg's block as used.
+ * tree-eh.c (cleanup_empty_eh_merge_phis): Add block debug info for
+ redirect_edge_var_map_add.
+ * tree-outof-ssa.c (_elim_graph): New field.
+ (insert_partition_copy_on_edge): New parameter.
+ (insert_value_copy_on_edge): New parameter.
+ (insert_rtx_to_part_on_edge): New parameter.
+ (insert_part_to_rtx_on_edge): New parameter.
+ (elim_graph_add_edge): New parameter.
+ (elim_graph_remove_succ_edge): New parameter.
+ (FOR_EACH_ELIM_GRAPH_SUCC): New parameter.
+ (FOR_EACH_ELIM_GRAPH_PRED): New parameter.
+ (new_elim_graph): Add block debug info.
+ (clear_elim_graph): Likewise.
+ (delete_elim_graph): Likewise.
+ (elim_graph_add_node): Likewise.
+ (elim_graph_add_edge): Likewise.
+ (elim_graph_remove_succ_edge): Likewise.
+ (eliminate_build): Likewise.
+ (elim_forward): Likewise.
+ (elim_unvisited_predecessor): Likewise.
+ (elim_backward): Likewise.
+ (elim_create): Likewise.
+ (eliminate_phi): Likewise.
+ (insert_backedge_copies): Likewise.
+ * tree-into-ssa.c (insert_phi_nodes_for): Add block debug info for
+ add_phi_arg.
+ (rewrite_add_phi_arguments): Likewise.
+ * tree-ssa-loop-im.c (execute_sm_if_changed): Likewise.
+ * tree-ssa-tail-merge.c (replace_block_by): Likewise.
+ * tree-ssa-threadupdate.c (copy_phi_args): Likewise.
+ * tree-loop-distribution.c (update_phis_for_loop_copy): Likewise.
+ * tree-ssa-loop-manip.c (create_iv): Likewise.
+ (add_exit_phis_edge): Likewise.
+ (split_loop_exit_edge): Likewise.
+ (copy_phi_node_args): Likewise.
+ (tree_transform_and_unroll_loop): Likewise.
+ * value-prof.c (gimple_ic): Likewise.
+ (gimple_stringop_fixed_value): Likewise.
+ * tree-tailcall.c (add_successor_phi_arg): Likewise.
+ (eliminate_tail_call): Likewise.
+ (create_tailcall_accumulator): Likewise.
+ (tree_optimize_tail_calls_1): Likewise.
+ * tree-phinodes.c (add_phi_arg): Likewise.
+ (make_phi_node): Likewise.
+ (resize_phi_node): Likewise.
+ (remove_phi_arg_num): Likewise.
+ * omp-low.c (expand_parallel_call): Likewise.
+ (expand_omp_for_static_chunk): Likewise.
+ * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop):
+ Likewise.
+ (slpeel_update_phi_nodes_for_guard1): Likewise.
+ (slpeel_update_phi_nodes_for_guard2): Likewise.
+ (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
+ (set_prologue_iterations): Likewise.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ (vect_loop_versioning): Likewise.
+ * tree-parloops.c (create_phi_for_local_result): Likewise.
+ (transform_to_exit_first_loop): Likewise.
+ (create_parallel_loop): Likewise.
+ * ipa-split.c (split_function): Likewise.
+ * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
+ (vect_create_epilog_for_reduction): Likewise.
+ * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
+ * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
+ * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
+ (cond_if_else_store_replacement_1): Likewise.
+ * tree-cfgcleanup.c (remove_forwarder_block): Likewise.
+ (remove_forwarder_block_with_phi): Likewise.
+ * tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
+ * tree-predcom.c (initialize_root_vars): Likewise.
+ (initialize_root_vars_lm): Likewise.
+ * sese.c (sese_add_exit_phis_edge): Likewise.
+ * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
+ * tree-ssa.c (flush_pending_stmts): Likewise.
+ (redirect_edge_var_map_add): Likewise.
+ (ssa_redirect_edge): Likewise.
+ * gimple-streamer-in.c (input_phi): Likewise.
+ * tree-vect-stmts.c (vectorizable_load): Likewise.
+ * tree-inline.c (copy_phis_for_bb): Likewise.
+ * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
+ * tree-switch-conversion.c (fix_phi_nodes): Likewise.
+ * tree-cfg.c (reinstall_phi_args): Likewise.
+ (gimple_make_forwarder_block): Likewise.
+ (add_phi_args_after_copy_edge): Likewise.
+ (gimple_duplicate_sese_tail): Likewise.
+
+2012-07-16 Sergey Melnikov <sergey.melnikov@intel.com>
+
+ * config/i386/i386.md (stack_protect_set): Disable the pattern
+ for Android since Android libc (bionic) does not provide random
+ value for stack protection guard at gs:0x14. Guard value
+ will be provided from external symbol (default implementation).
+ (stack_protect_set_<mode>): Likewise.
+ (stack_protect_test): Likewise.
+ (stack_protect_test_<mode>): Likewise.
+
+2012-07-16 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris-protos.h (cris_legitimate_address_p): Declare.
+ * config/cris/cris.h (CONSTANT_ADDRESS_P): Define in terms of
+ CONSTANT_P and cris_legitimate_address_p.
+ * config/cris/cris.c (cris_legitimate_address_p): Make non-static.
+ (cris_preferred_reload_class): Don't return GENERAL_REGS as
+ preferred to MOF_SRP_REGS.
+
+ * config/cris/cris.c (cris_init_libfuncs): Handle initialization
+ of library functions for basic atomic compare-and-swap.
+ * config/cris/cris.h (TARGET_ATOMICS_MAY_CALL_LIBFUNCS): New macro.
+ * config/cris/cris.opt (munaligned-atomic-may-use-library): New option.
+ * config/cris/sync.md ("atomic_fetch_<atomic_op_name><mode>")
+ ("cris_atomic_fetch_<atomic_op_name><mode>_1")
+ ("atomic_compare_and_swap<mode>")
+ ("cris_atomic_compare_and_swap<mode>_1"): Make conditional on
+ TARGET_ATOMICS_MAY_CALL_LIBFUNCS for sizes larger than byte.
+ * config/cris/cris.c (cris_print_operand) <case 'P', 'q'>: New cases.
+ * config/cris/sync.md (atomic_op_op_cnstr): New code_attr.
+ (atomic_op_op_pred): Ditto.
+ (atomic_op_mnem_pre_op2): Renamed from atomic_op_mnem_pre; to
+ reflect the change to include %2 in expansion. All callers changed.
+ (qm3): New mode_attr.
+ ("atomic_fetch_<atomic_op_name><mode>"): Use <atomic_op_op_pred>
+ as predicate for operand 2.
+ ("cris_atomic_fetch_<atomic_op_name><mode>_1"): Update FIXME. Use
+ "<atomic_op_op_pred>" "<atomic_op_op_cnstr>" for predicate and
+ constraint for operand 2.
+ ("atomic_compare_and_swap<mode>"): Add FIXME. Change predicate to
+ nonmemory_operand for operand 3.
+ ("cris_atomic_compare_and_swap<mode>_1"): Change operand 3 to
+ exclude memory. Improve emitted sync code for v10 and v32. Use
+ <qm3> instead of <m> for size designator for cmp.
+ ("atomic_compare_and_swap<mode>"): Change predicate to
+ nonmemory_operand for operand 3. Add FIXME.
+ ("cris_atomic_compare_and_swap<mode>_1"): Change predicates and
+ constraints for operand 3 to exclude memory.
+ ("atomic_fetch_<atomic_op_name><mode>")
+ ("atomic_compare_and_swap<mode>"): Gate expand_mem_thread_fence
+ calls on result of call to need_atomic_barrier_p.
+
+2012-07-15 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.md (move_type): Replace mfhilo and mthilo
+ with mflo and mtlo.
+ (type): Split mfhilo into mfhi and mflo. Split mthilo into mthi
+ and mtlo. Adjust move_type->type mapping.
+ (may_clobber_hilo): Split mthilo into mthi and mtlo.
+ (*movdi_32bit, *movdi_32bit_mips16, *movdi_64bit, *movdi_64bit_mips16)
+ (*mov<mode>_internal, *mov<mode>_mips16, *movhi_internal)
+ (*movhi_mips16, *movqi_internal, *movqi_mips16): Use mtlo and mflo
+ instead of mthilo and mfhilo.
+ (mfhi<GPR:mode>_<HILO:mode>): Use mfhi instead of mfhilo.
+ (mthi<GPR:mode>_<HILO:mode>): Use mthi instead of mthilo.
+ * config/mips/mips-dsp.md (mips_extr_w, mips_extr_r_w, mips_extr_rs_w)
+ (mips_extr_s_h, mips_extp, mips_extpdp, mips_shilo, mips_mthlip):
+ Use mflo instead of mfhilo.
+ * config/mips/10000.md (r10k_arith): Split mthilo.
+ (r10k_mfhi, r10k_mflo): Use mfhi and mflo directly.
+ * config/mips/sb1.md (ir_sb1_mfhi, ir_sb1_mflo): Likewise.
+ (ir_sb1_mthilo): Split mthilo into mthi and mtlo.
+ * config/mips/20kc.md (r20kc_imthilo, r20kc_imfhilo): Split
+ mthilo and mfhilo.
+ * config/mips/24k.md (r24k_int_mfhilo, r24k_int_mthilo): Likewise.
+ * config/mips/4130.md (vr4130_class, vr4130_mfhilo, vr4130_mthilo):
+ Likewise.
+ * config/mips/4k.md (r4k_int_mthilo, r4k_int_mfhilo): Likewise.
+ * config/mips/5400.md (ir_vr54_hilo): Likewise.
+ * config/mips/5500.md (ir_vr55_mthilo, ir_vr55_mfhilo): Likewise.
+ * config/mips/5k.md (r5k_int_mthilo, r5k_int_mfhilo): Likewise.
+ * config/mips/7000.md (rm7_mthilo, rm7_mfhilo): Likewise.
+ * config/mips/74k.md (r74k_int_mfhilo, r74k_int_mthilo): Likewise.
+ * config/mips/9000.md (rm9k_mfhilo, rm9k_mthilo): Likewise.
+ * config/mips/generic.md (generic_hilo): Likewise.
+ * config/mips/loongson2ef.md (ls2_alu): Likewise.
+ * config/mips/loongson3a.md (ls3a_mfhilo): Likewise.
+ * config/mips/octeon.md (octeon_imul_o1, octeon_imul_o2)
+ (octeon_mfhilo_o1, octeon_mfhilo_o2): Likewise.
+ * config/mips/sr71k.md (ir_sr70_hilo): Likewise.
+ * config/mips/xlr.md (xlr_hilo): Likewise.
+
+2012-07-14 Andrew Stubbs <ams@codesourcery.com>
+ Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/sh/sh.h (SH_ASM_SPEC): Add spaces between options.
+
+2012-07-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_set_reg_reg_cost): Enable TFmode/TCmode
+ for TARGET_SSE.
+
+2012-07-14 Steven Bosscher <steven@gcc.gnu.org>
+
+ * toplev.c (init_asm_output): Open asm_out_file in 'w' mode.
+
+2012-07-13 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ PR bootstrap/53955
+ * config/spu/spu.c (spu_init_cost): Mark static.
+ (spu_add_stmt_cost): Likewise.
+ (spu_finish_cost): Likewise.
+ (spu_destroy_cost_data): Likewise.
+ * config/i386/i386.c (ix86_init_cost): Mark static.
+ (ix86_add_stmt_cost): Likewise.
+ (ix86_finish_cost): Likewise.
+ (ix86_destroy_cost_data): Likewise.
+ * config/rs6000/rs6000.c (rs6000_init_cost): Mark static.
+ (rs6000_add_stmt_cost): Likewise.
+ (rs6000_finish_cost): Likewise.
+ (rs6000_destroy_cost_data): Likewise.
+
+2012-07-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ggc.h (ggc_internal_alloc_stat, ggc_alloc_typed_stat,
+ ggc_internal_cleared_alloc_stat, ggc_cleared_alloc_htab_ignore_args,
+ ggc_cleared_alloc_ptr_array_two_args, ggc_splay_alloc): Add
+ ATTRIBUTE_MALLOC.
+ * alloc-pool.h (pool_alloc): Likewise.
+
+ * final.c (final): Do not loop to find max_uid.
+
+2012-07-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ * emit-rtl.c (make_debug_insn_raw, make_jump_insn_raw): Make static.
+ * rtl.h (make_debug_insn_raw, make_jump_insn_raw): Remove prototypes.
+
+2012-07-13 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53907
+ * tree-ssa-forwprop.c (associate_pointerplus): New function.
+ (ssa_forward_propagate_and_combine): Call it.
+
+2012-07-13 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53922
+ * tree-vrp.c (value_inside_range): Change prototype to take
+ min/max instead of value-range.
+ (range_includes_zero_p): Likewise. Return the result from
+ value_inside_range.
+ (extract_range_from_binary_expr_1): Adjust to handle dont-know
+ return value from range_includes_zero_p.
+ (extract_range_from_unary_expr_1): Likewise.
+ (compare_range_with_value): Likewise.
+ (vrp_meet_1): Likewise.
+
+2012-07-13 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * doc/tm.texi: Regenerate.
+ * doc/tm.texi.in (TARGET_VECTORIZE_INIT_COST): New hook.
+ (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
+ (TARGET_VECTORIZE_FINISH_COST): Likewise.
+ (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
+ * targhooks.c (default_init_cost): New function.
+ (default_add_stmt_cost): Likewise.
+ (default_finish_cost): Likewise.
+ (default_destroy_cost_data): Likewise.
+ * targhooks.h (default_init_cost): New decl.
+ (default_add_stmt_cost): Likewise.
+ (default_finish_cost): Likewise.
+ (default_destroy_cost_data): Likewise.
+ * target.def (init_cost): New DEFHOOK.
+ (add_stmt_cost): Likewise.
+ (finish_cost): Likewise.
+ (destroy_cost_data): Likewise.
+ * target.h (struct _stmt_vec_info): New extern decl.
+ (stmt_vectype): Likewise.
+ (stmt_in_inner_loop_p): Likewise.
+ * tree-vectorizer.h (stmt_info_for_cost): New struct/typedef.
+ (stmt_vector_for_cost): New VEC/typedef.
+ (add_stmt_info_to_vec): New function.
+ (struct _slp_tree): Remove cost.inside_of_loop field.
+ (struct _slp_instance): Remove cost.inside_of_loop field; add
+ stmt_cost_vec field.
+ (SLP_INSTANCE_INSIDE_OF_LOOP_COST): Remove macro.
+ (SLP_INSTANCE_STMT_COST_VEC): New accessor macro.
+ (SLP_TREE_INSIDE_OF_LOOP_COST): Remove macro.
+ (struct _vect_peel_extended_info): Add stmt_cost_vec field.
+ (struct _loop_vec_info): Add target_cost_data field.
+ (LOOP_VINFO_TARGET_COST_DATA): New accessor macro.
+ (struct _bb_vec_info): Add target_cost_data field.
+ (BB_VINFO_TARGET_COST_DATA): New accessor macro.
+ (struct _stmt_vec_info): Remove cost.inside_of_loop field.
+ (STMT_VINFO_INSIDE_OF_LOOP_COST): Remove macro.
+ (stmt_vinfo_set_inside_of_loop_cost): Remove function.
+ (init_cost): New function.
+ (add_stmt_cost): Likewise.
+ (finish_cost): Likewise.
+ (destroy_cost_data): Likewise.
+ (vect_model_simple_cost): Change parameter list.
+ (vect_model_store_cost): Likewise.
+ (vect_model_load_cost): Likewise.
+ (record_stmt_cost): New extern decl.
+ (vect_get_load_cost): Change parameter list.
+ (vect_get_store_cost): Likewise.
+ * tree-vect-loop.c (new_loop_vec_info): Call init_cost.
+ (destroy_loop_vec_info): Call destroy_cost_data.
+ (vect_estimate_min_profitable_iters): Remove old calculation of
+ inside costs; call finish_cost instead.
+ (vect_model_reduction_cost): Call add_stmt_cost instead of old
+ inside-costs calculation.
+ (vect_model_induction_cost): Likewise.
+ * tree-vect-data-refs.c (vect_get_data_access_cost): Change to
+ return a stmt_vector_for_cost; modify calls to vect_get_load_cost
+ and vect_get_store_cost to obtain the value to return.
+ (vect_peeling_hash_get_lowest_cost): Obtain a stmt_cost_vec from
+ vect_get_data_access_cost and store it in the minimum peeling
+ structure.
+ (vect_peeling_hash_choose_best_peeling): Change the parameter list
+ to add a (stmt_vector_for_cost *) output parameter, and set its value.
+ (vect_enhance_data_refs_alignment): Ignore the new return value from
+ calls to vect_get_data_access_cost; obtain stmt_cost_vec from
+ vect_peeling_hash_choose_best_peeling and pass its contents to the
+ target cost model.
+ * tree-vect-stmts.c (stmt_vectype): New function.
+ (stmt_in_inner_loop_p): Likewise.
+ (record_stmt_cost): Likewise.
+ (vect_model_simple_cost): Add stmt_cost_vec parameter; call
+ record_stmt_cost instead of old calculation; don't call
+ stmt_vinfo_set_inside_of_loop_cost.
+ (vect_model_promotion_demotion_cost): Call add_stmt_cost instead of
+ old calculation; don't call stmt_vinfo_set_inside_of_loop_cost.
+ (vect_model_store_cost): Add stmt_cost_vec parameter; call
+ record_stmt_cost instead of old calculation; add stmt_cost_vec
+ parameter to vect_get_store_cost call; don't call
+ stmt_vinfo_set_inside_of_loop_cost.
+ (vect_get_store_cost): Add stmt_cost_vec parameter; call
+ record_stmt_cost instead of old calculation.
+ (vect_model_load_cost): Add stmt_cost_vec parameter; call
+ record_stmt_cost instead of old calculation; add stmt_cost_vec
+ parameter to vect_get_load_cost call; don't call
+ stmt_vinfo_set_inside_of_loop_cost.
+ (vect_get_load_cost): Add stmt_cost_vec parameter; call
+ record_stmt_cost instead of old calculation.
+ (vectorizable_call): Add NULL parameter to vect_model_simple_cost call.
+ (vectorizable_conversion): Likewise.
+ (vectorizable_assignment): Likewise.
+ (vectorizable_shift): Likewise.
+ (vectorizable_operation): Likewise.
+ (vectorizable_store): Add NULL parameter to vect_model_store_cost call.
+ (vectorizable_load): Add NULL parameter to vect_model_load_cost call.
+ (new_stmt_vec_info): Don't set STMT_VINFO_INSIDE_OF_LOOP_COST.
+ * config/spu/spu.c (TARGET_VECTORIZE_INIT_COST): New macro def.
+ (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
+ (TARGET_VECTORIZE_FINISH_COST): Likewise.
+ (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
+ (spu_init_cost): New function.
+ (spu_add_stmt_cost): Likewise.
+ (spu_finish_cost): Likewise.
+ (spu_destroy_cost_data): Likewise.
+ * config/i386/i386.c (ix86_init_cost): New function.
+ (ix86_add_stmt_cost): Likewise.
+ (ix86_finish_cost): Likewise.
+ (ix86_destroy_cost_data): Likewise.
+ (TARGET_VECTORIZE_INIT_COST): New macro def.
+ (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
+ (TARGET_VECTORIZE_FINISH_COST): Likewise.
+ (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
+ * config/rs6000/rs6000.c (TARGET_VECTORIZE_INIT_COST): New macro def.
+ (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
+ (TARGET_VECTORIZE_FINISH_COST): Likewise.
+ (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
+ (rs6000_init_cost): New function.
+ (rs6000_add_stmt_cost): Likewise.
+ (rs6000_finish_cost): Likewise.
+ (rs6000_destroy_cost_data): Likewise.
+ * tree-vect-slp.c (vect_free_slp_instance): Free stmt_cost_vec.
+ (vect_create_new_slp_node): Don't set SLP_TREE_INSIDE_OF_LOOP_COST.
+ (vect_get_and_check_slp_defs): Add stmt_cost_vec parameter; add
+ stmt_cost_vec parameter to vect_model_store_cost and
+ vect_model_simple_cost calls.
+ (vect_build_slp_tree): Remove inside_cost parameter; add stmt_cost_vec
+ parameter; add stmt_cost_vec parameter to vect_get_and_check_slp_defs,
+ vect_model_load_cost, and recursive vect_build_slp_tree calls; prevent
+ calculating cost more than once for loads; remove inside_cost
+ parameter from recursive vect_build_slp_tree calls; call
+ record_stmt_cost instead of old calculation.
+ (vect_analyze_slp_instance): Allocate stmt_cost_vec and save it with
+ the instance; free it on premature exit; remove inside_cost parameter
+ from vect_build_slp_tree call; add stmt_cost_vec parameter to
+ vect_build_slp_tree call; don't set SLP_INSTANCE_INSIDE_OF_LOOP_COST.
+ (new_bb_vec_info): Call init_cost.
+ (destroy_bb_vec_info): Call destroy_cost_data.
+ (vect_bb_vectorization_profitable_p): Call add_stmt_cost for each
+ statement recorded with an SLP instance; call finish_cost instead of
+ the old calculation.
+ (vect_update_slp_costs_according_to_vf): Record statement costs from
+ SLP instances, multiplying by the appropriate number of copies; don't
+ update SLP_INSTANCE_INSIDE_OF_LOOP_COST.
+
+2012-07-13 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53937
+ * builtins.c (get_pointer_alignment_1): Handle constant
+ pointers.
+
+2012-07-13 Richard Sandiford <rdsandiford@googlemail.com>
+ Steven Bosscher <steven@gcc.gnu.org>
+ Bernd Schmidt <bernds@codesourcery.com>
+
+ PR rtl-optimization/53908
+ * df-problems.c (can_move_insns_across): When doing
+ memory-reference book-keeping, handle call insns.
+
+2012-07-13 Richard Guenther <rguenther@suse.de>
+
+ * gimple.c (gimple_types_compatible_p_1): Remove redundant
+ type attribute comparisons.
+ (gimple_canonical_types_compatible_p): Likewise.
+
+2012-07-12 Hans-Peter Nilsson <hp@axis.com>
+
+ PR rtl-optimization/53176
+ * rtlanal.c (rtx_cost): Adjust default cost for X with a
+ UNITS_PER_WORD factor for all X according to the size of
+ its mode, not just for SUBREGs with untieable modes.
+ Handle SET. Use factor * factor for MULT, DIV, UDIV,
+ MOD, UMOD.
+
+2012-07-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (QImode and HImode cmove splitters): Merge
+ QImode and HImode splitters. Use ix86_comparison_operator.
+ Explicitly match FLAGS_REG.
+ (DFmode cmove splitter): Explicitly match FLAGS_REG.
+
+2012-07-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * expr.h (can_move_by_pieces): Move prototype from here ...
+ * tree.h (can_move_by_pieces): ... to here.
+ * optabs.h (set_widening_optab_handler): Use XCNEW.
+ * gimplify.c: Do not include expr.h.
+
+ * toplev.c: Do not include dwarf2out.h.
+ * config/ia64/ia64.c: Likewise.
+ * config/sparc/sparc.c: Likewise.
+ * config/sparc/t-sparc (sparc.o): Fix dependencies.
+
+ * Makefile.in (toplev.o): Fix dependencies
+ (c-family/c-gimplify.o): Likewise.
+ (c-family/c-common.o): Likewise.
+
+2012-07-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * basic-block.h (struct edge_def): Use basic_block instead of
+ basic_block_def *.
+ * cfgloop.h (struct loop_exit, struct loop): Likewise.
+ * gengenrtl.c (type_from_format): Likewise. Also for 'tree'
+ instead of union tree_node *.
+ * rtl.h (union rtunion_def, emit_insn_before_noloc,
+ emit_insn_after_noloc, add_insn_before, add_insn_after,
+ debug_bb_slim): Likewise.
+ * tree-inline.h (struct copy_body_data): Likewise.
+ * sched-rgn.c (dump_region_dot): Likewise.
+ * gimple.h (struct gimple_statement_base, gimple_set_bb,
+ gsi_move_to_bb_end): Likewise.
+ * sched-vis.c (debug_bb_slim): Likewise.
+ (debug_bb_n_slim): Likewise.
+ * config/mn10300/mn10300.c (mn10300_insert_setlb_lcc): Likewise.
+ (mn10300_block_contains_call):
+
+2012-07-11 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ PR target/53859
+ * config/arm/arm.c (arm_early_load_addr_dep): Handle new
+ epilogue patterns.
+
+2012-07-11 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/extend.texi (Namespace Association): Alter cautionary text.
+
+2012-07-10 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53911
+ * config/sh/sh.md: Remove displacement addresssing related splits.
+
+2012-07-10 Xinliang David Li <davidxl@google.com>
+
+ * doc/invoke.texi: New option documented.
+ * flag-types.h: New enum type.
+ * gimplify.c (gimplify_bind_expr): Control
+ clobber generation with new option.
+ (gimplify_target_expr): Ditto.
+ * common.opt: New option.
+
+2012-07-10 Julian Brown <julian@codesourcery.com>
+
+ * config/arm/arm.md (movsi): Don't split symbol refs here.
+ (define_split): New.
+
+2012-07-10 Andreas Schwab <schwab@linux-m68k.org>
+
+ PR bootstrap/53913
+ * config/m68k/m68k.c (m68k_epilogue_uses): New.
+ * config/m68k/m68k.h (EPILOGUE_USES): Use it.
+ * config/m68k/m68k-protos.h (m68k_epilogue_uses): Add prototype.
+
+2012-07-10 Richard Henderson <rth@redhat.com>
+
+ * target.def (builtin_mul_widen_even, builtin_mul_widen_odd): Remove.
+ * system.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Poison.
+ (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Poison.
+ * config/i386/i386.c (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI): Remove.
+ (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V8SI): Remove.
+ (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V4SI): Remove.
+ (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V8SI): Remove.
+ (IX86_BUILTIN_VEC_WIDEN_SMUL_EVEN_V4SI): Remove.
+ (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V4SI): Remove.
+ (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V8SI): Remove.
+ (bdesc_args): Remove entries to match.
+ (ix86_builtin_mul_widen_even, ix86_builtin_mul_widen_odd): Remove.
+ (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Remove.
+ (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Remove.
+ * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): Remove.
+ (rs6000_builtin_mul_widen_odd): Remove.
+ (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Remove.
+ (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Remove.
+ * config/spu/spu.c (spu_builtin_mul_widen_even): Remove.
+ (spu_builtin_mul_widen_odd): Remove.
+ (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Remove.
+ (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Remove.
+ * doc/tm.texi.in: Don't document the removed hooks.
+
+ * tree-vect-stmts.c (supportable_widening_operation): Expand
+ WIDEN_MULT_EXPR via VEC_WIDEN_MULT_EVEN/ODD_EXPR if possible.
+
+ * expmed.c (expmed_mult_highpart): Rename from expand_mult_highpart.
+ (expmed_mult_highpart_optab): Rename from expand_mult_highpart_optab.
+ * optabs.c (can_mult_highpart_p): New.
+ (expand_mult_highpart): New.
+ * expr.c (expand_expr_real_2) [MULT_HIGHPART_EXPR): Use it.
+ * tree-vect-generic.c (expand_vector_operations_1): Don't expand
+ by pieces if can_mult_highpart_p.
+ (expand_vector_divmod): Use can_mult_highpart_p and always
+ generate MULT_HIGHPART_EXPR.
+ * tree-vect-patterns.c (vect_recog_divmod_pattern): Likewise.
+ * tree-vect-stmts.c (vectorizable_operation): Likewise.
+
+ * config/spu/spu-builtins.md (spu_mpy): Move to spu.md.
+ (spu_mpyu, spu_mpyhhu, spu_mpyhh): Likewise.
+ * config/spu/spu.md (vec_widen_smult_odd_v8hi): Rename from spu_mpy.
+ (vec_widen_umult_odd_v8hi): Rename from spu_mpyu.
+ (vec_widen_smult_even_v8hi): Rename from spu_mpyhh.
+ (vec_widen_umult_even_v8hi): Rename from spu_mpyhhu.
+ * config/spu/spu-builtins.def: Update pattern names to match.
+
+ * config/rs6000/altivec.md (vec_widen_umult_even_v16qi): Rename
+ from altivec_vmuleub.
+ (vec_widen_smult_even_v16qi): Rename from altivec_vmulesb.
+ (vec_widen_umult_even_v8hi): Rename from altivec_vmuleuh.
+ (vec_widen_smult_even_v8hi): Rename from altivec_vmulesh.
+ (vec_widen_umult_odd_v16qi): Rename from altivec_vmuloub.
+ (vec_widen_smult_odd_v16qi): Rename from altivec_vmulosb.
+ (vec_widen_umult_odd_v8hi): Rename from altivec_vmulouh.
+ (vec_widen_smult_odd_v8hi): Rename from altivec_vmulosh.
+ * config/rs6000/rs6000-builtin.def: Update pattern names to match.
+
+ * config/i386/sse.md (vec_widen_umult_even_v8si): Rename from
+ avx2_umulv4siv4di3.
+ (vec_widen_umult_even_v4si): Rename from sse2_umulv2siv2di3.
+ (vec_widen_smult_even_v8si): Rename from avx2_mulv4siv4di3.
+ (mulv4si3): Remove XOP test shadowed by SSE4 test.
+ * config/i386/i386.c (bdesc_args): Update pattern names.
+ (ix86_expand_sse2_mulvxdi3): Likewise.
+ (ix86_expand_mul_widen_evenodd): Likewise. Remove XOP test
+ shadowed by SSE4 test.
+
+ * tree.def (VEC_WIDEN_MULT_EVEN_EXPR, VEC_WIDEN_MULT_ODD_EXPR): New.
+ * cfgexpand.c (expand_debug_expr): Handle them.
+ * expr.c (expand_expr_real_2): Likewise.
+ * fold-const.c (fold_binary_loc): Likewise.
+ * gimple-pretty-print.c (dump_binary_rhs): Likewise.
+ * optabs.c (optab_for_tree_code): Likewise.
+ * tree-cfg.c (verify_gimple_assign_binary): Likewise.
+ * tree-inline.c (estimate_operator_cost): Likewise.
+ * tree-pretty-print.c (dump_generic_node): Likewise.
+ * tree.c (commutative_tree_code): Likewise.
+ * tree-vect-generic.c (expand_vector_operations_1): Likewise.
+ Handle type change before looking up optab.
+ * optabs.h (OTI_vec_widen_umult_even, OTI_vec_widen_umult_odd): New.
+ (OTI_vec_widen_smult_even, OTI_vec_widen_smult_odd): New.
+ (vec_widen_umult_even_optab, vec_widen_umult_odd_optab): New.
+ (vec_widen_smult_even_optab, vec_widen_smult_odd_optab): New.
+ * genopinit.c (optabs): Initialize them.
+ * doc/md.texi: Document them.
+
+2012-07-10 Dehao Chen <dehao@google.com>
+
+ * tree.h (phi_arg_d): New field.
+ * tree-flow-inline.h (gimple_phi_arg_block): New function.
+ (gimple_phi_arg_block_from_edge): New function.
+ (gimple_phi_arg_set_block): New function.
+ (gimple_phi_arg_has_block): New function.
+ (redirect_edge_var_map_block): New function.
+ * tree-flow.h (_edge_var_map): New field.
+ * tree-ssa-live.c (remove_unused_locals): Mark phi_arg's block as used.
+ * tree-eh.c (cleanup_empty_eh_merge_phis): Add block debug info for
+ redirect_edge_var_map_add.
+ * tree-outof-ssa.c (_elim_graph): New field.
+ (insert_partition_copy_on_edge): New parameter.
+ (insert_value_copy_on_edge): New parameter.
+ (insert_rtx_to_part_on_edge): New parameter.
+ (insert_part_to_rtx_on_edge): New parameter.
+ (elim_graph_add_edge): New parameter.
+ (elim_graph_remove_succ_edge): New parameter.
+ (FOR_EACH_ELIM_GRAPH_SUCC): New parameter.
+ (FOR_EACH_ELIM_GRAPH_PRED): New parameter.
+ (new_elim_graph): Add block debug info.
+ (clear_elim_graph): Likewise.
+ (delete_elim_graph): Likewise.
+ (elim_graph_add_node): Likewise.
+ (elim_graph_add_edge): Likewise.
+ (elim_graph_remove_succ_edge): Likewise.
+ (eliminate_build): Likewise.
+ (elim_forward): Likewise.
+ (elim_unvisited_predecessor): Likewise.
+ (elim_backward): Likewise.
+ (elim_create): Likewise.
+ (eliminate_phi): Likewise.
+ (insert_backedge_copies): Likewise.
+ * tree-into-ssa.c (insert_phi_nodes_for): Add block debug info for
+ add_phi_arg.
+ (rewrite_add_phi_arguments): Likewise.
+ * tree-ssa-loop-im.c (execute_sm_if_changed): Likewise.
+ * tree-ssa-tail-merge.c (replace_block_by): Likewise.
+ * tree-ssa-threadupdate.c (copy_phi_args): Likewise.
+ * tree-loop-distribution.c (update_phis_for_loop_copy): Likewise.
+ * tree-ssa-loop-manip.c (create_iv): Likewise.
+ (add_exit_phis_edge): Likewise.
+ (split_loop_exit_edge): Likewise.
+ (copy_phi_node_args): Likewise.
+ (tree_transform_and_unroll_loop): Likewise.
+ * value-prof.c (gimple_ic): Likewise.
+ (gimple_stringop_fixed_value): Likewise.
+ * tree-tailcall.c (add_successor_phi_arg): Likewise.
+ (eliminate_tail_call): Likewise.
+ (create_tailcall_accumulator): Likewise.
+ (tree_optimize_tail_calls_1): Likewise.
+ * tree-phinodes.c (add_phi_arg): Likewise.
+ (make_phi_node): Likewise.
+ (resize_phi_node): Likewise.
+ (remove_phi_arg_num): Likewise.
+ * omp-low.c (expand_parallel_call): Likewise.
+ (expand_omp_for_static_chunk): Likewise.
+ * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop):
+ Likewise.
+ (slpeel_update_phi_nodes_for_guard1): Likewise.
+ (slpeel_update_phi_nodes_for_guard2): Likewise.
+ (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
+ (set_prologue_iterations): Likewise.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ (vect_loop_versioning): Likewise.
+ * tree-parloops.c (create_phi_for_local_result): Likewise.
+ (transform_to_exit_first_loop): Likewise.
+ (create_parallel_loop): Likewise.
+ * ipa-split.c (split_function): Likewise.
+ * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
+ (vect_create_epilog_for_reduction): Likewise.
+ * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
+ * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
+ * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
+ (cond_if_else_store_replacement_1): Likewise.
+ * tree-cfgcleanup.c (remove_forwarder_block): Likewise.
+ (remove_forwarder_block_with_phi): Likewise.
+ * tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
+ * tree-predcom.c (initialize_root_vars): Likewise.
+ (initialize_root_vars_lm): Likewise.
+ * sese.c (sese_add_exit_phis_edge): Likewise.
+ * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
+ * tree-ssa.c (flush_pending_stmts): Likewise.
+ (redirect_edge_var_map_add): Likewise.
+ (ssa_redirect_edge): Likewise.
+ * gimple-streamer-in.c (input_phi): Likewise.
+ * tree-vect-stmts.c (vectorizable_load): Likewise.
+ * tree-inline.c (copy_phis_for_bb): Likewise.
+ * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
+ * tree-switch-conversion.c (fix_phi_nodes): Likewise.
+ * tree-cfg.c (reinstall_phi_args): Likewise.
+ (gimple_make_forwarder_block): Likewise.
+ (add_phi_args_after_copy_edge): Likewise.
+ (gimple_duplicate_sese_tail): Likewise.
+
+2012-07-09 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53886
+ * config/sh/sh.c (sequence_insn_p): New function.
+ (find_barrier, sh_insn_length_adjustment): Use it.
+
+2012-07-09 Iain Sandoe <iain@codesourcery.com>
+
+ PR target/53283
+ * config/i386/i386.c (ix86_fold_builtin): Call SUBTARGET_FOLD_BUILTIN
+ if defined.
+ * config/darwin.h: Rename TARGET_FOLD_BUILTIN to
+ SUBTARGET_FOLD_BUILTIN.
+ * config/rs6000/darwin.h: Map TARGET_FOLD_BUILTIN onto
+ SUBTARGET_FOLD_BUILTIN.
+
+2012-07-09 Iain Sandoe <iain@codesourcery.com>
+
+ * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Move NeXT
+ runtime exceptions model setting from here ...
+ * config/darwin.c (darwin_override_options): ... to here.
+
+2012-07-09 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR tree-optimization/53887
+ * tree-cfg.c (group_case_labels_stmt): Make non-static.
+ * tree-flow.h (group_case_labels_stmt): Add prototype.
+ * tree-switch-conversion.c (process_switch): Use group_case_labels_stmt
+ to pre-process every switch.
+
+2012-07-09 Jason Merrill <jason@redhat.com>
+
+ PR c++/53882
+ * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
+ (type_hash_eq): Likewise.
+
+2012-07-09 Tom de Vries <tom@codesourcery.com>
+ Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-ccp.c (optimize_unreachable): New function.
+ (execute_fold_all_builtins): Use optimize_unreachable to optimize
+ BUILT_IN_UNREACHABLE. Don't optimize after BUILT_IN_UNREACHABLE.
+
+2012-07-09 Richard Guenther <rguenther@suse.de>
+
+ PR bootstrap/53898
+ * graphite-optimize-isl.c: Make sure CU is not empty.
+
+2012-07-09 Steven Bosscher <steven@gcc.gnu.org>
+
+ * gensupport.c (init_rtx_reader_args_cb): Start counting code
+ generating patterns from 1 to free up 0 for CODE_FOR_nothing.
+ * gencodes.c (main): Give CODE_FOR_nothing the value 0. Add
+ the LAST_INSN_CODE marker at the end.
+ * genoutput.c (nothing): New static struct data.
+ (idata): Initialize to &nothing.
+ (idata_end): Initialize to &nothing.next.
+ (init_insn_for_nothing): New function to create dummy 'nothing' insn.
+ (main): Use it.
+ * genpeep.c (insn_code_number): Remove global variable.
+ (gen_peephole): Take it as an argument instead.
+ (main): Take insn_code_number from read_md_rtx.
+ * optabs.h: Revert r161809:
+ (optab_handlers): Change type of insn_code back to insn_code.
+ (optab_handler, widening_optab_handler, set_optab_handler,
+ set_widening_optab_handler, convert_optab_handler,
+ set_convert_optab_handler, direct_optab_handler,
+ set_direct_optab_handler): Remove int casts.
+ Revert to treating the insn_code field as "insn_code".
+
+2012-07-08 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md (*return_i): Move trap_exit attribute check to ...
+ * config/sh/sh.c (sh_cfun_trap_exit_p): ... this new function.
+ * config/sh/sh-protos.h: Declare it.
+
+2012-07-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ * mcf.c: Do not include tm.h, tree.h, and langhooks.h.
+ (dump_fixup_graph): Use current_function_name.
+ (adjust_cfg_counts): Likewise.
+ * ira-conflicts.c: Do not include tree.h.
+ (ira_build_conflicts): Use REG_USERVAR_P instead of DECL_ARTIFICIAL.
+
+2012-07-08 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md (*branch_true_eq, *branch_false_ne, nott): New insns.
+
+2012-07-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ * basic-block.h: Re-group most prototypes per file.
+ (struct edge_list): Remove num_blocks field.
+ (dump_bb_info): Adjust prototypes.
+ (dump_reg_info): Move prototype to regs.h.
+ * function.h: Do not include tree.h.
+ Include vec.h, vecir.h, input.h and machmode.h to compensate.
+ (function_name): New prototype.
+ * gimple.h: Include tree.h to compensate for basic-block.h change.
+ * langhooks.h: Note that tree.h is only necessary for enum tree_code.
+ * regs.h (dump_reg_info): Prototype here.
+ * regset.h: Adjust file reference in comment.
+ (debug_regset): Remove prototype.
+ * rtl.h: Include flags.h for flag_var_tracking_assignments.
+ (MAY_HAVE_DEBUG_INSNS): Define as flag_var_tracking_assignments
+ instead of no-longer-available tree.h's MAY_HAVE_DEBUG_STMTS.
+ (dump_reg_info, dump_flow_info): Remove prototypes.
+ * bb-reorder.c (set_edge_can_fallthru_flag): Move from cfganal.c
+ to here, the only user. Make static.
+ (reorder_basic_blocks): Call dump_reg_info before dump_flow_info.
+ * cfg.c: Do not include tm.h, tree.h, rtl.h, hard-reg-set.h, regs.h,
+ flags.h, function.h, except.h, diagnostic-core.h, tm_p.h, timevar.h,
+ tree-pass.h, cfgloop.h, and tree-flow.h.
+ Include basic-block.h, the first header I'd expect to be included.
+ (reg_obstack): Move to df-core.c.
+ (free_edge): Remove bogus ATTRIBUTE_UNUSED.
+ (remove_edge_raw): Do not call tree-ssa's redirect_edge_var_map_clear.
+ (redirect_edge_succ_nodup): Move to cfghooks.c.
+ (dump_regset, debug_regset): Move to df-core.c.
+ (dump_bb_info): Move to cfgrtl.c.
+ (dump_reg_info): Move to regstat.c.
+ (dump_flow_info): Move to cfgrtl.c.
+ (debug_flow_info): Likewise.
+ (dump_edge_info): Do not look at cfun, a CFG without cfun is nonsense.
+ * cfganal.c: Do not include tm.h, rtl.h, obstack.h, hard-reg-set.h,
+ insn-config.h, recog.h, diagnostic-core.h, tm_p.h, and cfgloop.h.
+ (flow_active_insn_p, forwarder_block_p, can_fallthru,
+ could_fall_through): Move to cfgrtl.c.
+ (set_edge_can_fallthru_flag): Moved to bb-reorder.c.
+ (create_edge_list): Do not set edge_list's removed num_blocks.
+ (print_edge_list): Look at n_basic_blocks instead of num_blocks.
+ (flow_nodes_print): Remove.
+ (flow_edge_list_print): Remove.
+ (inverted_post_order_compute): Use FOR_ALL_BB.
+ * cfgrtl.c (dump_flow_info): Moved from cfg.c.
+ Do not call dump_reg_info.
+ (debug_flow_info): Moved from cfg.c
+ (dump_bb_info): Moved from cfg.c. Take 'verbose' argument
+ to avoid looking at TDF_* flags from tree-pass.h.
+ (flow_active_insn_p, forwarder_block_p, can_fallthru,
+ could_fall_through): Moved from cfganal.c.
+ (print_rtl_with_bb): Adjust dump_bb_info calls.
+ * cfghooks.c (redirect_edge_succ_nodup): Moved from cfg.c.
+ (remove_edge): Call redirect_edge_var_map_clear if IR_GIMPLE.
+ (cfgcleanup.c): Look at MAY_HAVE_DEBUG_INSNS, not MAY_HAVE_DEBUG_STMTS.
+ * cselib.c: Include tree.h with a FIXME.
+ * df-core.c (reg_obstack): Moved from cfg.c.
+ (dump_regset): Likewise.
+ (debug_regset): Likewise. Make a DEBUG_FUNCTION.
+ * final.c (compute_alignments): Call dump_reg_info before
+ dump_flow_info.
+ * function.c (function_name): New function.
+ (current_function_name): Use it.
+ * ifcvt.c (rest_of_handle_if_conversion): Call dump_reg_info before
+ dump_flow_info.
+ * ira-conflicts.c: Include tree.h with a note.
+ * regstat.c (dump_reg_info): Moved here from cfg.c.
+ * loop-init.c: Include regs.h instead of hard-reg-set.h.
+ (rtl_loop_init): Call dump_reg_info before dump_flow_info.
+ (rtl_loop_done): Likewise.
+ * mcf.c: Include tree.h before langhooks.h.
+ * predict.c (maybe_hot_count_p): Assert we have cfun.
+ (probably_never_executed_bb_p): Likewise.
+ * profile.c (compute_branch_probabilities): Use gimple_dump_cfg
+ instead of dump_flow_info.
+ * sched-deps.c: Include tree.h with a FIXME.
+ (call_may_noreturn_p): Add FIXME note why this function has to
+ look at function decls instead of function decl flags.
+ * sched-vis.c: Include tree.h with a FIXME.
+ (print_rtl_slim): Adjust dump_bb_info uses.
+ * statistics.c (statistics_fini_pass_2): Use current_function_name
+ to avoid including tree.h.
+ (statistics_counter_event): Use function_name for the same reason.
+ (statistics_histogram_event): Likewise.
+ * tracer.c (tracer): Remove bogus gcc_assert. Use brief_dump_cfg
+ instead of dump_flow_info.
+ * var-tracking.c (variable_tracking_main_1): Call dump_reg_info
+ before dump_flow_info.
+ * doc/cfg.texi: Update CFG documentation.
+ * Makefile.in (RTL_H): Depend on FLAGS_H.
+ (GIMPLE_H): Depend on TREE_H.
+ (FUNCTION_H): Depend on VEC_H, vecir.h, INPUT_H and MACHMODE_H,
+ but no longer on TREE_H.
+ (C_COMMON_H): Depend on TREE_H.
+ (cselib.o, cse.o, cfganal.o, loop-init.o, ira-conflicts.o,
+ sched-deps.o, sched-vis.o): Fixup dependencies.
+
+2012-07-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ * alias.h: Do not include coretypes.h in header files.
+ * cppbuiltin.h: Likewise.
+ * double-int.h: Likewise.
+ * gimple-fold.h: Likewise.
+ * flags.h: Likewise.
+ * tree-ssa-alias.h: Likewise.
+ * gengtype.h (obstack_chunk_alloc, obstack_chunk_free,
+ OBSTACK_CHUNK_SIZE): Define here to avoid dependency on coretypes.h.
+ * Makefile.in (RTL_BASE_H): Depend on coretypes.h.
+ (TREE_H): Likewise.
+ (ALIAS_H): Do not depend on coretypes.h.
+ (FLAGS_H): Likewise.
+ (realmpfr.o): Depend on coretypes.h.
+
+2012-07-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ * Makefile.in (gengtype-lex.o, gengtype-parse.o, gengtype-state.o,
+ gengtype.o): Add -DGENERATOR_FILE manually for host gengtype objects.
+
+2012-07-07 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.h (TARGET_CPU_CPP_BUILTINS): Remove Maverick support.
+ (TARGET_FPA): Delete definition.
+ (TARGET_MAVERICK): Likewise.
+ (TARGET_FPA_EMU2): Likewise.
+ (arm_fp_model): Remove FPA and Maverick models.
+ (arm_arch_cirrus): Delete declaration.
+ (FLOAT_WORDS_BIG_ENDIAN): Delete definition.
+ (FIXED_REGISTERS): Remove FPA and Maverick support. Reorganize.
+ (CALL_USED_REGISTERS): Likewise.
+ (FIRST_FPA_REGNUM, LAST_FPA_REGNUM): Delete definition.
+ (FIRST_VFP_REGNUM): Renumbered.
+ (D7_VFP_REGNUM): Chain definition.
+ (LAST_LO_VFP_REGNUM): Likewise.
+ (FIRST_HI_VFP_REGNUM): Likewise.
+ (LAST_HI_VFP_REGNUM): Likewise.
+ (FIRST_IWMMXT_GR_REGNUM): Likewise.
+ (LAST_IWMMXT_GR_REGNUM): Likewise.
+ (FIRST_IWMMXT_REGNUM): Likewise.
+ (LAST_IWMMXT_REGNUM): Likewise.
+ (FRAME_POINTER_REGNUM): Renumbered.
+ (ARG_POINTER_REGNUM): Renumbered.
+ (FIRST_PSEUDO_REGISTER): Remove FPA and Maverick registers.
+ (FIRST_CIRRUS_FP_REGNUM, LAST_CIRRUS_FP_REGNUM): Delete definitions.
+ (HARD_REGNO_REGNUM): Remove FPA support.
+ (REG_ALLOC_ORDER): Remove FPA and Maverick registers. Reorganize.
+ (reg_class): Likewise.
+ (REG_CLASS_NAMES): Likewise.
+ (REG_CLASS_CONTENTS): Likewise.
+ (CANNOT_CHANGE_MODE_CLASS): Never true. Update comment.
+ (SECONDARY_INPUT_RELOAD_CLASS): Remove Maverick support.
+ (CLASS_MAX_NREGS): Remove FPA and Maverick support.
+ * aout.h (REGISTER_NAMES): Remove FPA and Maverick registers.
+ Reorganize. Use AAPCS preferred names.
+ (ADDITIONAL_REGISTER_NAMES): Remove aliases for Maverick. Update
+ comments.
+ (OVERLAPPING_REGISTER_NAMES): Update register numbering.
+ * arm.c (FL_CIRRUS): Delete definition.
+ (arm_arch_cirrus): Delete variable.
+ (arm_float_words_big_endian): Delete function.
+ (cirrus_memory_offset): Delete function.
+ (output_mov_long_double_fpa_from_arm): Delete function.
+ (output_mov_long_double_arm_from_fpa): Delete function.
+ (output_mov_double_fpa_from_arm): Delete function.
+ (output_mov_double_arm_from_fpa): Delete function.
+ (emit_sfm): Delete function.
+ (maybe_get_arm_condition_code): Update comment.
+ (arm_file_start): Always use softvfp for softfloat systems.
+ (thumb_core_reg_alloc_order): Adjust for updated register allocation.
+ (arm_option_override): Remove FPA and Maverick support. Always
+ default to vfp as the fallback FPU format.
+ (use_return_insn): Remove FPA support.
+ (arm_get_frame_offsets): Likewise.
+ (arm_save_coproc_regs): Likewise.
+ (arm_canonicalize_comparison): Remove Maverick support.
+ (arm_select_cc_mode): Likewise.
+ (arm_gen_compare_reg): Likewise.
+ (arm_print_operand): Likewise.
+ (arm_libcall_value_1): Remove FPA and Maverick support.
+ (arm_function_value_regno_p): Likewise.
+ (arm_apply_result_size): Likewise.
+ (arm_legitimate_index_p): Likewise.
+ (thumb2_legitimate_index_p): Likewise.
+ (legitimize_reload_address): Likewise.
+ (arm_register_move_cost): Likewise.
+ (arm_hard_regno_mode_ok): Likewise.
+ (arm_regno_class): Likewise.
+ (arm_dbx_register_number): Likewise.
+ (arm_emit_unwind_sequence): Likewise.
+ (arm_conditional_register_usage): Likewise.
+ * arm-protos.h (neg_const_double_rtx_ok_for_fpa): Remove declaration.
+ (cirrus_memory_offset): Likewise.
+ (output_move_long_double_fpa_from_arm): Likewise.
+ (output_move_long_double_arm_from_fpa): Likewise.
+ (output_move_double_fpa_from_arm): Likewise.
+ (output_move_double_arm_from_fpa): Likewise.
+ (arm_float_words_big_endian): Likewise.
+ * arm.md (CC_REGNUM): Renumbered.
+ (VFPCC_REGNUM): Moved here. Renumbered.
+ (FPA_F0_REGNUM, FPA_F7_REGNUM): Delete.
+ (attr fpu): Remove FPA and Maverick support.
+ * vfp.md (VFPCC_REGNUM): Delete. Moved to arm.md.
+ * arm-cores.def (ep9312): Remove Maverick support.
+ * arm-arches.def (ep9312): Delete architecture.
+ * arm-tables.opt: Regenerated.
+
+ * arm/linux-elf.h (FPUTYPE_DEFAULT): Set to vfp.
+
+2012-07-07 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR tree-optimization/53881
+ * tree-switch-conversion.c (emit_case_bit_tests): Do not rely on
+ comparing labels to establish uniqueness of a switch case target,
+ use the CFG instead.
+
+2012-07-07 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
+ due to negative shift amount.
+
+2012-07-07 Hans-Peter Nilsson <hp@axis.com>
+
+ Fix configure test for "stack protector support in target C library".
+ * configure.ac (test_prefix, test_exec_prefix): Move setting from
+ inside sysroot handling to before and outside it.
+ * configure: Regenerate.
+
+2012-07-06 Kai Tietz <ktietz@redhat.com>
+
+ PR bootstrap/52947
+ * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
+ as "/mingw/include".
+
+2012-07-06 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/53820
+ * var-tracking.c (vt_add_function_parameter): Convert
+ internal_arg_pointer into arg_pointer-based address even
+ without DRAP.
+
+2012-07-06 Alexandre Oilva <aoliva@redhat.com>
+
+ PR rtl-optimization/53827
+ PR debug/53671
+ PR debug/49888
+ * alias.c (memrefs_conflict_p): Adjust offset and size by the
+ same amount for alignment ANDs.
+
+2012-07-06 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/51879
+ * tree-ssa-sccvn.c (copy_reference_ops_from_call)
+ (visit_reference_op_call): Handle case that lhs is not an SSA_NAME.
+ (visit_use): Also call visit_reference_op_call for calls with a vdef.
+
+2012-07-06 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/52009
+ * tree-ssa-tail-merge.c (gimple_equal_p): For GIMPLE_ASSIGN, compare
+ value numbers of gimple_vdef.
+ * tree-ssa-sccvn.h (vn_reference_insert): Add vdef parameter to
+ prototype.
+ * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MODIFY_EXPR.
+ (vn_reference_insert): Add and handle vdef parameter.
+ (visit_reference_op_load): Add argument to vn_reference_insert call.
+ (visit_reference_op_store): Find value number of vdef of store. Insert
+ value number of vdef of store.
+
+2012-07-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (simple lea to add peephole): Also transform
+ RTXes where second PLUS operand matches output.
+
+2012-07-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (construct_plt_address): Make static.
+ * config/i386/i386-protos.h (construct_plt_address): Remove.
+
+2012-07-06 Nick Clifton <nickc@redhat.com>
+
+ * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
+ default_encode_section_info.
+
+2012-07-06 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53853
+ * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
+ emit PIC sequence for fnaddr symbol reference in advance.
+
+2012-07-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ Revert
+ 2012-06-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ * dwarf2out.c (function_possibly_abstracted_p): New static function.
+ (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
+ cgraph_function_possibly_inlined_p.
+ (gen_inlined_subroutine_die): Return if the origin is to be ignored.
+ (process_scope_var): Do not emit concrete instances of abstracted
+ nested functions from here.
+ (gen_decl_die): Emit the abstract instance if the function is possibly
+ abstracted and not only possibly inlined.
+ (dwarf2out_finish): Find the first non-abstract parent instance and
+ attach concrete instances on the limbo list to it.
+
+2012-07-05 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+ Julian Brown <julian@codesourcery.com>
+
+ PR target/48941
+ PR target/51980
+ * config/arm/neon-gen.ml (return_by_ptr): Delete.
+ (print_function): Handle empty strings.
+ (return): Delete use of return_by_ptr.
+ (mask_shape_for_shuffle): New function.
+ (mask_elems): Likewise.
+ (shuffle_fn): Likewise.
+ (params): Simplify and remove use of return_by_ptr.
+ (get_shuffle): New function.
+ (print_variant): Update.
+ * config/arm/neon.ml (rev_elems): New function.
+ (permute_range): Likewise.
+ (zip_range): Likewise.
+ (uzip_range): Likewise.
+ (trn_range): Likewise.
+ (zip_elems): Likewise.
+ (uzip_elems): Likewise.
+ (trn_elems): Likewise.
+ (features): New enumeration Use_shuffle. Delete ReturnPtr.
+ (pf_su_8_16): New.
+ (suf_32): New.
+ (ops): Update entries for Vrev64, Vrev32, Vrev16, Vtr, Vzip, Vuzp.
+ * config/arm/arm_neon.h: Regenerate.
+
+2012-07-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-pretty-print.c (dump_generic_node): Properly test
+ the result of exact_log2.
+
+2012-07-05 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390-protos.h (s390_expand_movmem)
+ (s390_expand_cmpmem): Add return value.
+ * config/s390/s390.c (s390_expand_movmem, s390_expand_cmpmem):
+ Return FALSE to use the library function in some cases.
+ * config/s390/s390.md (movmem, cmpmem): Evaluate return value of C
+ helper functions.
+
+2012-07-05 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config.gcc: Enable ifunc attribute by default on s390 and s390x.
+
+2012-07-05 Steven Bosscher <steven@gcc.gnu.org>
+
+ * expr.c (try_casesi): Remove bogus ATTRIBUTE_UNUSED markers.
+ * stmt.c (dump_case_nodes): New.
+ (expand_case): Split out code generation parts into new functions.
+ (expand_switch_as_decision_tree_p): Split out from expand_case.
+ (emit_case_decision_tree): Likewise.
+ (emit_case_dispatch_table): Likewise.
+
+2012-07-05 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/iterators.md (SDF): New mode iterator.
+ (V_if_elem): Add support for SF and DF modes.
+ (V_reg): Likewise.
+ (F_constraint): New mode iterator attribute.
+ (F_fma_type): Likewise.
+ config/arm/vfp.md (fma<SDF:mode>4): New pattern.
+ (*fmsub<SDF:mode>4): Likewise.
+ (*fmnsub<SDF:mode>4): Likewise.
+ (*fmnadd<SDF:mode>4): Likewise.
+
+2012-07-04 Uros Bizjak <ubizjak@gmail.com>
+
+ * expmed.c (expand_mult): Initialize coeff and is_neg.
+
+2012-07-04 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/predicates.md (zero_extend_operand): New predicate.
+ * config/sh/sh.md (zero_extendhisi2): Simplify by using new
+ zero_extend_operand predicate.
+ (zero_extendqisi2): Likewise.
+
+2012-07-04 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/53321
+ * ipa.c (symtab_remove_unreachable_nodes): Partially revert r187375
+ to not call cgraph_propagate_frequency if something was changed.
+
+2012-07-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53433
+ * gimple-fold.c (get_base_constructor): Do not return an
+ error_mark_node DECL_INITIAL.
+
+2012-07-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53844
+ * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
+ the loop virtual PHI.
+
+2012-07-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53849
+ * tree-cfg.c (move_stmt_op): Only call add_referenced_var
+ for duplicated locals. Use add_referenced_var_1 to avoid
+ pushing/popping cfun.
+
+2012-07-04 Kai Tietz <ktietz@redhat.com>
+
+ * config/i386/winnt.c (i386_pe_reloc_rw_mask): New function.
+ * config/i386/i386-protos.h (i386_pe_reloc_rw_mask): Add
+ prototype.
+ * config/i386/cygming.h (TARGET_ASM_RELOC_RW_MASK): Define
+ as i386_pe_reloc_rw_mask.
+
+2012-07-04 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
+ as in free_lang_data_in_type.
+
+2012-07-04 Tobias Grosser <tobias@grosser.es>
+ Michael Matz <matz@suse.de>
+
+ * Makefile.in (OBJS): Add graphite-optimize-isl.o.
+ (graphite-optimize-isl.o): Add dependencies.
+ * common.opt (floop-nest-optimize): New flag.
+ * doc/invoke.texi (floop-nest-optimize): Document.
+ * graphite-dependences.c (compute_deps): Export.
+ * graphite-poly.h (compute_deps): Declare.
+ * graphite-optimize-isl.c: New file.
+ * graphite-poly.c (apply_poly_transforms): Run the loop
+ nest optimizer.
+ * tree-ssa-loop.c (gate_graphite_transforms): Enable graphite
+ if -floop-nest-optimize is enabled.
+
+2012-07-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/predicates.md (logical_and_operand): New predicate.
+ * config/sh/constraints.md (Jmb, Jmw): New constraints.
+ * config/sh/sh.md (andsi3): Move expander above insns. Add handling
+ of 0xFFFF constant. Use logical_and_operand predicate and
+ satisfies_constraint_Jmb, satisfies_constraint_Jmw.
+ (*andsi3_compact): Make it an insn_and_split. Use
+ logical_and_operand predicate. Add Jmb,Jmw alternatives.
+
+2012-07-03 Jason Merrill <jason@redhat.com>
+
+ PR c++/53826
+ * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
+
+2012-07-03 Nick Clifton <nickc@redhat.com>
+
+ * config/mep/mep.c (mep_reorg_regmove): Use
+ next_nonnote_non_debug_insn to advance to the next insn. Do not
+ expect delete_insn to return an rtx.
+
+2012-07-03 Richard Guenther <rguenther@suse.de>
+
+ * doc/install.texi (CLooG): Clarify how CLooG needs to be
+ configured and that it needs to be built against ISL 0.10.
+
+2012-07-03 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_option_override_internal): Fix wrong
+ code model string in the error message.
+
+2012-07-03 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53811
+ * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
+ sibcall_insn_operand. Move it to a temporary register if not.
+
+2012-07-03 Andreas Schwab <schwab@linux-m68k.org>
+
+ PR target/28896
+ * config/m68k/m68k.c (m68k_option_override): Reset stack_limit_rtx
+ if !TARGET_68020.
+
+2012-07-03 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/xmmintrin.h (_mm_sfence): Use __builtin_ia32_pause.
+
+2012-07-03 Roland McGrath <mcgrathr@google.com>
+
+ * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): Also require that the
+ assembler accept 'rep bsf ...', 'rep bsr ...', 'rep ret' and 'rep nop'.
+ * configure: Regenerated.
+ * config/i386/i386.md (simple_return_internal_long): Use %;
+ (ctz<mode>2): Likewise.
+ (*pause): Likewise.
+
+2012-07-02 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/predicates.md (t_reg_operand, negt_reg_operand): New
+ predicates.
+ * config/sh/sh-protos.h (get_t_reg_rtx): New prototype.
+ * config/sh/sh.c (get_t_reg_rtx): New function. Use it when invoking
+ gen_branch_true and gen_branch_false.
+ * config/sh/sh.md: Use get_t_reg_rtx when invoking gen_branch_true and
+ gen_branch_false.
+ (branch_true, branch_false): Use t_reg_operand predicate.
+ (*branch_true, *branch_false): Delete.
+ (movt): Use t_reg_operand predicate.
+ (*negnegt): Use negt_reg_operand predicate and fold little and big
+ endian variants.
+ (*movtt): Use t_reg_operand and fold little and big endian variants.
+ (*movt_qi): Delete.
+
+2012-07-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ * stmt.c (emit_case_bit_tests): Remove.
+ (expand_case): Remove expand_switch_using_bit_tests_p code.
+ * tree-switch-conversion.c (hoist_edge_and_branch_if_true): New.
+ (MAX_CASE_BIT_TESTS): Moved from stmt.c to here.
+ (lshift_cheap_p): Likewise.
+ (expand_switch_using_bit_tests_p): Likewise.
+ (struct case_bit_test): Likewise.
+ (case_bit_test_cmp): Likewise.
+ (emit_case_bit_tests): New implementation for GIMPLE.
+ (gen_inbound_check): Do not release post-dominator info here.
+ (process_switch): Reorder code. Expand as bit tests if it
+ looks like a win.
+ (do_switchconv): Release post-dominator info here if something changed.
+ (struct gimple_opt_pass): Verify more.
+ * tree.h (expand_switch_using_bit_tests_p): Remove prototype.
+
+2012-07-02 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/38474
+ * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
+ dynamic type change check.
+
+2012-07-02 Richard Guenther <rguenther@suse.de>
+ Michael Matz <matz@suse.de>
+ Tobias Grosser <tobias@grosser.es>
+ Sebastian Pop <sebpop@gmail.com>
+
+ * Makefile.in: Remove PPL flags in favor of ISL ones.
+ (BACKENDLIBS): Remove PPL libs.
+ (INCLUDES): Remove PPL includes in favor of ISL ones.
+ (graphite-clast-to-gimple.o): Remove graphite-dependences.h and
+ graphite-cloog-compat.h dependencies.
+ (graphite-dependences.o): Likewise.
+ (graphite-poly.o): Likewise.
+ * configure.ac: Declare ISL vars instead of PPL ones.
+ * configure: Regenerated.
+ * doc/install.texi: Replace PPL requirement documentation with ISL one.
+ * graphite-blocking.c: Remove PPL code, add ISL equivalent.
+ * graphite-clast-to-gimple.c: Likewise.
+ * graphite-dependences.c: Likewise.
+ * graphite-interchange.c: Likewise.
+ * graphite-poly.h: Likewise.
+ * graphite-poly.c: Likewise.
+ * graphite-sese-to-poly.c: Likewise.
+ * graphite.c: Likewise.
+ * graphite-scop-detection.c: Re-arrange includes.
+ * graphite-cloog-util.c: Remove.
+ * graphite-cloog-util.h: Likewise.
+ * graphite-ppl.h: Likewise.
+ * graphite-ppl.c: Likewise.
+ * graphite-dependences.h: Likewise.
+
+2012-07-02 Richard Guenther <rguenther@suse.de>
+
+ Merge from graphite branch
+ 2011-07-21 Tobias Grosser <tobias@grosser.es>
+
+ * Makefile.in (graphite-clast-to-gimple.o, graphite-cloog-util.o):
+ Remove graphite-cloog-util.h.
+ * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop,
+ build_iv_mapping, translate_clast_user, translate_clast,
+ free_scattering, initialize_cloog_names, build_cloog_prog,
+ create_params_index): Do not use old compatibility functions.
+ (clast_name_to_index, set_cloog_options): Remove code for legacy cloog.
+ * graphite-cloog-util.c (openscop_print_cloog_matrix): Do not use old
+ compatibility functions.
+ (new_Cloog_Scattering_from_ppl_Polyhedron): Remove code for legacy
+ cloog.
+ * graphite-cloog-util.h: Remove include of graphite-cloog-util.h.
+ * graphite.c (graphite.c): Do not call outdated cloog_initialize() and
+ cloog_finalize().
+ * graphite-cloog-compat.h: Remove.
+
+ 2011-08-09 Tobias Grosser <tobias@grosser.es>
+
+ * graphite-clast-to-gimple.c (new_clast_name_index): Store a copy
+ of the string, no just a reference.
+ (clast_name_index): Add a new field, that specifies if we need to free
+ the name.
+ (free_clast_name_index): If necessary, free the name string.
+ (clast_name_index_elt_info): Calculate the hash based on the string
+ content, not the memory location it is stored in.
+ (clast_name_to_level): Specify that we do not need to free the name.
+ (clast_name_to_index): Dito.
+ (clast_name_to_lb_ub): Dito.
+ (eq_clast_name_indexes): Compare the strings, not their base pointers.
+ (free_scattering): Removed.
+ (initialize_cloog_names): Renamed to add_names_to_union_domain().
+ (add_names_to_union_domain): Changed to work on a union_domain,
+ instead of a CloogNames structure.
+ (build_cloog_prog): Removed.
+ (build_cloog_union_domain): New.
+ (generate_cloog_input): New.
+ (scop_to_clast): Use CloogInput instead of CloogProgram.
+ (print_generated_program): Adapt to new scop_to_clast() and do not
+ print the CloogProgram any more.
+ (create_params_index): Removed, functionality integrated in
+ add_names_to_union_domain().
+ (gloog): Adapt to new scop_to_clast().
+ * graphite-clast-to-gimple.h (scop_to_clast): Remove.
+
+ 2012-01-11 Tobias Grosser <tobias@grosser.es>
+
+ * graphite-clast-to-gimple.c (clast_name_to_index,
+ clast_name_to_lb_ub, clast_name_to_gcc): Change types.
+ (clast_to_gcc_expression): Add clast_expr_name as a new
+ case. Do not assume a clast_expr_term points always to a
+ clast_expr_name.
+ (type_for_clast_term): Do not assume a clast_expr_term points always to
+ a clast_expr_name.
+ (type_for_clast_name): New.
+ (type_for_clast_expr): Add clast_expr_name as a new case.
+
+ 2011-08-03 Sebastian Pop <sebpop@gmail.com>
+
+ * graphite-cloog-util.c (new_Cloog_Domain_from_ppl_Polyhedron,
+ new_Cloog_Scattering_from_ppl_Polyhedron,
+ new_Cloog_Domain_from_ppl_Pointset_Powerset): Remove ATTRIBUTE_UNUSED.
+
+2012-07-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53645
+ * tree-vect-generic.c (expand_vector_divmod): Use TYPE_MODE (type)
+ instead of TYPE_MODE (wider_type) as can_vec_perm_p argument.
+
+2012-07-01 Wei Guozhi <carrot@google.com>
+
+ PR target/53447
+ * config/arm/arm-protos.h (const_ok_for_dimode_op): New prototype.
+ * config/arm/arm.c (const_ok_for_dimode_op): New function.
+ * config/arm/constraints.md (Dd): New constraint.
+ * config/arm/predicates.md (arm_adddi_operand): New predicate.
+ * config/arm/arm.md (adddi3): Extend it to handle constants.
+ (arm_adddi3): Likewise.
+ (addsi3_carryin_<optab>): Extend it to handle sbc case.
+ (addsi3_carryin_alt2_<optab>): Likewise.
+ * config/arm/neon.md (adddi3_neon): Extend it to handle constants.
+
+2012-06-30 Nathan Sidwell <nathan@acm.org>
+
+ * coverage.c (bbg_file_stamp): New.
+ (read_counts_file): Merge incoming stamp with bbg_file_stamp.
+ (build_info): Write bbg_file_stamp.
+ (coverage_init): Initialize bbg_file_stamp. Read counts file
+ before writing graph header.
+ (coverage_finish): Don't unlink the data file if we can generate a
+ unique file stamp.
+ * tree.h (crc32_unsigned): Declare.
+ * tree.c (crc32_unsigned_bits): New, broken out of ...
+ (crc32_byte): ... here. Use it.
+ (crc32_unsigned): New.
+
+2012-06-29 Cary Coutant <ccoutant@google.com>
+
+ * dwarf2out.c (add_pubname_string): Don't check for want_pubnames.
+ (gen_subprogram_die): Don't add pubname if want_pubnames is false.
+ (gen_variable_die): Likewise.
+ (gen_namespace_die): Likewise.
+
+2012-06-29 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-eh.c (lower_try_finally_switch): Really put the location of the
+ last statement of the finally block onto the switch.
+
+2012-06-29 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/53539
+ * config/i386/gnu-user64.h (WCHAR_TYPE): Use "int" only for
+ TARGET_LP64.
+
+2012-06-29 Sterling Augustine <saugustine@google.com>
+
+ * dwarf2out.c (add_pubname): Add comment.
+ (add_pubtype): Fix indentation.
+ (gen_enumeration_type_die): Likewise.
+
+2012-06-29 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-vect-generic.c (expand_vector_divmod): For even/odd
+ widening multiply, put even always as first argument to VEC_PERM_EXPR.
+
+2012-06-29 Richard Henderson <rth@redhat.com>
+
+ * tree-vect-generic.c: Include target.h.
+ (expand_vector_divmod): Use builtin_mul_widen_even/odd if supported.
+ * Makefile.in (tree-vect-generic.o): Update.
+
+2012-06-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * configure.ac: Remove special gtfiles case for C.
+ * configure: Regenerate.
+ * Makefile.in: Remove C front-end hooks and build hooks that
+ will be picked up from c/Make-lang.in now.
+ Add tree-mudflap to C_COMMON_OBJS.
+ * gengtype.c (files_rules): Adjust gt-files for c/c-decl.c.
+ * config/vms/vms.c: Look for c-tree.h in c/.
+ * doc/gty.texi: Remove reference to c-config-lang.in.
+ * doc/sourcebuild.texi: Document the c/ subdirectory.
+
+2012-06-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h (CASE_USE_BIT_TESTS): Poison.
+ * stmt.c (CASE_USE_BIT_TESTS): Fold away into its only user ...
+ (expand_switch_using_bit_tests_p): ...here.
+ * doc/tm.texi.in (CASE_USE_BIT_TESTS): Remove documentation.
+ * doc/tm.texi (CASE_USE_BIT_TESTS): Regenerate.
+
+2012-06-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h (IFCVT_EXTRA_FIELDS): Poison.
+ (IFCVT_INIT_EXTRA_FIELDS): Poison.
+ * basic-block.h (struct ce_if_block): Remove IFCVT_EXTRA_FIELDS.
+ * ifcvt.c (find_if_header): Use IFCVT_MACHDEP_INIT instead of
+ IFCVT_INIT_EXTRA_FIELDS.
+ * gengtype-parse.c (struct_field_seq): Remove obsolete comment.
+ * config/frv/frv.h (IFCVT_INIT_EXTRA_FIELDS): Rename to
+ IFCVT_MACHDEP_INIT.
+ * config/frv/frv.c (frv_ifcvt_init_extra_fields): Rename to
+ frv_ifcvt_machdep_init.
+ * doc/tm.texi.in (IFCVT_INIT_EXTRA_FIELDS, IFCVT_EXTRA_FIELDS):
+ Remove documentation.
+ (IFCVT_MACHDEP_INIT): Document.
+ * doc/tm.texi: Regenerate.
+
+2012-06-29 Nick Clifton <nickc@redhat.com>
+
+ * config/lm32/lm32.c (lm32_compute_frame_size): Fix typo.
+
+2012-06-29 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-vect-stmts.c (vectorizable_operation): Check both
+ VEC_WIDEN_MULT_LO_EXPR and VEC_WIDEN_MULT_HI_EXPR optabs.
+ Verify that operand[0]'s mode is TYPE_MODE (wide_vectype).
+
+2012-06-28 Richard Henderson <rth@redhat.com>
+
+ * doc/generic.texi (MULT_HIGHPART_EXPR): Document it.
+
+2012-06-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51581
+ * tree-vect-stmts.c (permute_vec_elements): Add forward decl.
+ (vectorizable_operation): Handle vectorization of MULT_HIGHPART_EXPR
+ also using VEC_WIDEN_MULT_*_EXPR or builtin_mul_widen_* plus
+ VEC_PERM_EXPR if vector MULT_HIGHPART_EXPR isn't supported.
+ * tree-vect-patterns.c (vect_recog_divmod_pattern): Use
+ MULT_HIGHPART_EXPR instead of VEC_WIDEN_MULT_*_EXPR and shifts.
+
+ PR tree-optimization/53645
+ * tree-vect-generic.c (expand_vector_divmod): Use MULT_HIGHPART_EXPR
+ instead of VEC_WIDEN_MULT_{HI,LO}_EXPR followed by VEC_PERM_EXPR
+ if possible.
+
+2012-06-28 Georg-Johann Lay <avr@gjlay.de>
+
+ PR 53595
+ * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
+ * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
+ * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
+ avr_hard_regno_call_part_clobbered.
+
+2012-06-28 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53790
+ * expr.c (expand_expr_real_1): Verify if the type is complete
+ before inspecting its size.
+
+2012-06-28 Andreas Schwab <schwab@linux-m68k.org>
+
+ * doc/include/gpl.texi: Remove.
+ * doc/sourcebuild.texi (Texinfo Manuals): Don't mention gpl.texi.
+
+2012-06-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53645
+ * tree-vect-generic.c (add_rshift): New function.
+ (expand_vector_divmod): New function.
+ (expand_vector_operation): Use it for vector integer
+ TRUNC_{DIV,MOD}_EXPR by VECTOR_CST.
+ * tree-vect-patterns.c (vect_recog_divmod_pattern): Replace
+ unused lguup variable with dummy_int.
+
+2012-06-28 OLivier Hainque <hainque@adacore.com>
+
+ * expr.c (convert_move): Latch mem integer inputs into a
+ register before expanding a multi-instructions sequence.
+
+2012-06-28 Alexandre Oliva <aoliva@redhat.com>
+ Uros Bizjak <ubizjak@gmail.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/53706
+ PR debug/47624
+ * var-tracking.c (vt_emit_notes): Release loc_exp_dep_pool...
+ (vt_finalize): ... here instead, if needed.
+
+2012-06-28 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/53740
+ PR debug/52983
+ PR debug/48866
+ * dce.c (word_dce_process_block): Check whether inserting debug
+ temps are needed even for needed insns.
+ (dce_process_block): Likewise.
+ * df-problems.c (dead_debug_add): Add comment about multi-regs.
+ (dead_debug_insert_temp): Likewise. Don't subreg when we're
+ setting fewer regs than a multi-reg requires.
+
+2012-06-27 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_dimode_u): New.
+ (alpha_init_builtins): Initialize it, and use it.
+ (alpha_fold_builtin_cmpbge): Use alpha_dimode_u.
+ (alpha_fold_builtin_zapnot, alpha_fold_builtin_insxx): Likewise.
+ (alpha_fold_vector_minmax, alpha_fold_builtin_perr): Likewise.
+ (alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb): Likewise.
+ (alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw): Likewise.
+ (alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz): Likewise.
+ (alpha_fold_builtin_ctpop): Likewise.
+ (alpha_fold_builtin_umulh): Remove.
+ (alpha_fold_builtin): Use MULT_HIGHPART_EXPR for UMULH; fix
+ typo in MAX_ARGS check.
+
+2012-06-27 Richard Henderson <rth@redhat.com>
+
+ * tree.def (MULT_HIGHPART_EXPR): New.
+ * cfgexpand.c (expand_debug_expr): Ignore it.
+ * expr.c (expand_expr_real_2): Handle it.
+ * fold-const.c (int_const_binop_1): Likewise.
+ * optabs.c (optab_for_tree_code): Likewise.
+ * tree-cfg.c (verify_gimple_assign_binary): Likewise.
+ * tree-inline.c (estimate_operator_cost): Likewise.
+ * tree-pretty-print.c (dump_generic_node): Likewise.
+ (op_code_prio, op_symbol_code): Likewise.
+ * tree.c (commutative_tree_code): Likewise. Also handle
+ WIDEN_MULT_EXPR, VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR.
+
+2012-06-27 Richard Henderson <rth@redhat.com>
+
+ PR target/53749
+ * config/i386/i386.c (ix86_rtx_costs): Fix typo vs UNITS_PER_WORD
+ in 2012-06-23 change. Adjust two other DImode tests as well.
+
+2012-06-27 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md (comparesi3_extend): Remove = modifier from
+ input operand.
+
+2012-06-27 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53676
+ * tree-chrec.c (chrec_convert_1): Represent truncation to
+ a type with undefined overflow as truncation to an unsigned
+ type converted to the type with undefined overflow.
+ * tree-scalar-evolution.c (interpret_rhs_expr): For computing
+ the scalar evolution of a truncated widened operation avoid
+ looking at the non-existing evolution of the widened operation
+ result.
+
+2012-06-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53774
+ * tree-ssa-reassoc.c (get_rank): All default defs have
+ precomputed rank.
+ (init_reassoc): Precompute rank for all SSA default defs.
+
+2012-06-27 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md (simple_return): Use the simple_return rtx.
+
+2012-06-26 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_rtx_costs): Use standard_sse_constant_p
+ and don't fall thru from standard_80387_constant_p to the memory
+ fallback.
+
+2012-06-26 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (bdesc_args): Update. Change
+ IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI to OPTION_MASK_ISA_SSE2.
+ (IX86_BUILTIN_VEC_WIDEN_SMUL_EVEN_V4SI): New.
+ (ix86_builtin_mul_widen_even): Use it.
+ (ix86_builtin_mul_widen_odd): Relax SMUL_ODD from sse4 to sse2.
+ (ix86_expand_mul_widen_evenodd): Handle signed for sse2.
+ * config/i386/sse.md (vec_widen_<s>mult_hi_<V124_AVX2>): Allow
+ for all SSE2.
+ (vec_widen_<s>mult_lo_<V124_AVX2>): Likewise.
+ (vec_widen_<s>mult_odd_<VI4_AVX2>): Likewise. Relax from V124_AVX2.
+ (vec_widen_smult_even_v4si): New.
+
+2012-06-26 Richard Henderson <rth@redhat.com>
+
+ * config/i386/sse.md (mul<VI8_AVX2>3): Change from insn_and_split
+ to expander; move guts to ...
+ * config/i386/i386.c (ix86_expand_sse2_mulvxdi3): ... here. Add
+ highparts before shifting up.
+ * config/i386/i386-protos.h: Update.
+
+2012-06-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h (USE_COMMON_FOR_ONE_ONLY): Poison.
+ * defaults.h (USE_COMMON_FOR_ONE_ONLY): Do not provide default.
+ * config/darwin.h (USE_COMMON_FOR_ONE_ONLY): Do not define.
+
+2012-06-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * var-tracking.c (vt_add_function_parameter): Use a preserved
+ VALUE for the MEM address of an incoming parameter.
+
+2012-06-26 Sterling Augustine <saugustine@google.com>
+
+ * dwarf2out.c (output_pubnames): Add check for DW_TAG_enumerator.
+ (prune_unused_types): Likewise.
+
+2012-06-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Poison.
+ * vmsdbgout.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Rename to
+ VMS_UNALIGNED_SHORT_ASM_OP, VMS_UNALIGNED_INT_ASM_OP,
+ VMS_UNALIGNED_LONG_ASM_OP, and VMS_UNALIGNED_DOUBLE_INT_ASM_OP.
+ * config/microblaze/microblaze.h (UNALIGNED_SHORT_ASM_OP,
+ UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Do not define.
+ * doc/tm.texi.in: Remove UNALIGNED_INT_ASM_OP reference from the
+ documentation.
+ * doc/tm.texi: Regenerate.
+ * doc/cpp.texi: Make example for #error generic.
+ * config/frv/frv.h: Fix example text to match tm.texi.
+
+2012-06-26 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * tree-pass.h (pass_strength_reduction): New decl.
+ * tree-ssa-loop-ivopts.c (initialize_costs): Make non-static.
+ (finalize_costs): Likewise.
+ * timevar.def (TV_TREE_SLSR): New timevar.
+ * gimple-ssa-strength-reduction.c: New.
+ * tree-flow.h (initialize_costs): New decl.
+ (finalize_costs): Likewise.
+ * Makefile.in (tree-ssa-strength-reduction.o): New dependencies.
+ * passes.c (init_optimization_passes): Add pass_strength_reduction.
+
+2012-06-26 Matt Turner <mattst88@gmail.com>
+
+ * doc/extend.texi (__builtin_arm_tinsrb): Add missing second parameter.
+ (__builtin_arm_tinsrh): Likewise.
+ (__builtin_arm_tinsrw): Likewise.
+ (__builtin_arm_wsadb): Add missing v2si parameter.
+ (__builtin_arm_wsadh): Likewise.
+ (__builtin_arm_getwcx): Delete.
+ (__builtin_arm_setwcx): Delete.
+ (__builtin_arm_getwcgr0): Add.
+ (__builtin_arm_getwcgr1): Add.
+ (__builtin_arm_getwcgr2): Add.
+ (__builtin_arm_getwcgr3): Add.
+ (__builtin_arm_setwcgr0): Add.
+ (__builtin_arm_setwcgr1): Add.
+ (__builtin_arm_setwcgr2): Add.
+ (__builtin_arm_setwcgr3): Add.
+
+2012-06-26 Richard Guenther <rguenther@suse.de>
+
+ Revert
+ 2012-06-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-inline.c (estimate_num_insns): Estimate call cost for
+ tailcalls properly.
+
+2012-06-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR other/33190
+ * doc/tm.texi.in: Document LOGICAL_OP_NON_SHORT_CIRCUIT.
+ * doc/tm.texi: Regenerate.
+
+2012-06-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR other/33190
+ * config/mips/mips.h: Do not define ALL_COP_ADDITIONAL_REGISTER_NAMES.
+ * config/frv/frv.h: Do not define REVERSE_CONDEXEC_PREDICATES_P.
+ * doc/tm.texi.in: Remove documentation for unused target macros
+ ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
+ DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
+ REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
+ TARGET_NARROW_VOLATILE_BITFIELDS.
+ Document that MD_HANDLE_UNWABI is a macro in libgcc.
+ * doc/tm.texi: Regenerate.
+ * system.h: Poison target macros
+ ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
+ DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
+ REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
+ TARGET_NARROW_VOLATILE_BITFIELDS
+
+2012-06-26 Jan Hubicka <jh@suse.cz>
+
+ PR lto/53572
+ * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
+ used symbols.
+
+2012-06-26 Dehao Chen <dehao@google.com>
+
+ * tree-inline.c: (expand_call_inline): Ensure that lexical block's
+ source location is consistant with the call stmt.
+
+2012-06-26 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ PR tree-optimization/53729
+ PR tree-optimization/53636
+ * tree-vect-slp.c (vect_slp_analyze_bb_1): Delay call to
+ vect_verify_datarefs_alignment until after statements have
+ been marked as relevant/irrelevant.
+ * tree-vect-data-refs.c (vect_verify_datarefs_alignment):
+ Skip irrelevant statements.
+ (vect_enhance_data_refs_alignment): Use STMT_VINFO_RELEVANT_P
+ instead of STMT_VINFO_RELEVANT.
+ (vect_get_data_access_cost): Do not check for supportable
+ alignment before calling vect_get_load_cost/vect_get_store_cost.
+ * tree-vect-stmts.c (vect_get_store_cost): Do not abort when
+ handling unsupported alignment.
+ (vect_get_load_cost): Likewise.
+
+2012-06-25 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/rl78/rl78.h: Do not undefine DONT_USE_BUILTIN_SETJMP.
+ Do not define JMP_BUF_SIZE.
+
+2012-06-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53748
+ * tree-ssa-phiopt.c (conditional_replacement): Only optimize
+ if arg0/arg1 have integral or pointer types.
+
+2012-06-25 Richard Henderson <rth@redhat.com>
+
+ * config/i386/sse.md (sse2_sse4_1): Remove code attr.
+ (<s>dot_prodv4si, <s>dot_prodv8si): Remove
+ (sdot_prodv4si): New; handle only XOP.
+
+2012-06-25 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386-builtin-types.def (V4UDI, V8USI): New.
+ (V2UDI_FUNC_V4USI_V4USI): New.
+ (V4UDI_FUNC_V8USI_V8USI): New.
+ * config/i386/i386.c (ix86_expand_args_builtin): Handle them.
+ (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI): New.
+ (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V8SI): New.
+ (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V4SI): New.
+ (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V8SI): New.
+ (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V4SI): New.
+ (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V8SI): New.
+ (bdesc_args): Add them.
+ (ix86_builtin_mul_widen_even, ix86_builtin_mul_widen_odd): New.
+ (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
+ (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
+ (ix86_expand_mul_widen_evenodd): Use xop_pmacsdqh.
+ * config/i386/sse.md (vec_widen_<s>mult_odd_<V124_AVX2>): New.
+
+2012-06-25 Richard Henderson <rth@redhat.com>
+
+ * config/i386.sse.md (mul<VI4_AVX2>3): Use xop_pmacsdd.
+
+2012-06-25 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_rtx_costs) [MULT]: Only apply XOP cost
+ to V16QImode.
+ (ix86_expand_vec_interleave): New.
+ (ix86_expand_mul_widen_evenodd): New.
+ (ix86_expand_mul_widen_hilo): New.
+ (ix86_expand_sse2_mulv4si3): Use ix86_expand_mul_widen_evenodd.
+ * config/i386/i386.md (u_bool) New code attr.
+ * config/i386/predicates.md
+ (nonimmediate_or_const_vector_operand): Remove.
+ * config/i386/sse.md (mul<VI4_AVX2>3): Don't use it; don't test
+ both AVX and SSE4_1.
+ (vec_widen<s>mult_hi_<VI2_AVX2>): Remove.
+ (vec_widen<s>mult_lo_<VI2_AVX2>): Remove.
+ (vec_widen<s>mult_hi_v8si): Remove.
+ (vec_widen<s>mult_lo_v8si): Remove.
+ (vec_widen_smult_hi_v4si): Remove.
+ (vec_widen_smult_lo_v4si): Remove.
+ (vec_widen_umult_hi_v4si): Remove.
+ (vec_widen_umult_lo_v4si): Remove.
+ (vec_widen_<s>mult_hi_<VI124_AVX2>): New.
+ (vec_widen_<s>mult_lo_<VI124_AVX2>): New.
+ * config/i386/i386-protos.h: Update.
+
+2012-06-25 Christophe Lyon <christophe.lyon@st.com>
+
+ * config/arm/neon.md (UNSPEC_VLD1_DUP): Remove.
+ (neon_vld1_dup): Restrict to VQ operands.
+ (neon_vld1_dupv2di): New, fixes vld1q_dup_s64.
+
+2012-06-25 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+ James Greenhalgh <james.greenhalgh@arm.com>
+
+ * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Add new built-ins.
+ (TARGET_FMA): New macro.
+ (TARGET_ARM_QBIT, TARGET_ARM_SAT): Likewise.
+ (TARGET_ARM_ARCH): Likewise.
+ (TARGET_ARM_ARCH_ISA_THUMB): Likewise.
+ (TARGET_V6M, TARGET_V7M): Likewise.
+ (TARGET_ARM_ARCH_PROFILE): Likewise.
+ (TARGET_ARM_FEATURE_LDREX): Likewise.
+ (TARGET_ARM_FP, TARGET_NEON_FP): Likewise.
+ (ARM_MIN_ENUM_SIZE): Likewise.
+ * config/arm/arm.c (arm_file_start): Refactor appropriately.
+ (base_architecture): New enumeration.
+ (arm_base_arch): New global variable.
+ (processors): Add field base_arch.
+ (ARM_ARCH, ARM_CORE): Adjust accordingly.
+ (arm_option_override): Add initialization of arm_base_arch.
+ * doc/cpp.texi (system-specific predefined macros.): Change.
+
+2012-06-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/53759
+ * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
+ of x x x in the vmovlps load alternative.
+
+2012-06-25 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR debug/53740
+ * df.h (dead_debug_add): Remove third argument.
+ * df-problems.c (dead_debug_add): Likewise. Use the REGNO of the
+ REG that we want to replace instead.
+ (dead_debug_insert_temp): Use the REGNO of the reg that we want
+ to replace instead of DF_REF_REGNO. Require there to always be
+ at least one such use. Check for cases where the same location
+ has more than df_ref associated with it.
+ (df_note_bb_compute): Remove third dead_debug_add argument.
+ * dce.c (word_dce_process_block): Likewise.
+
+2012-06-25 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/v850/v850.c: Remove redundant extern declarations for
+ last_assemble_variable_decl and size_directive_output.
+
+ * doc/tm.texi.in: Document JMP_BUF_SIZE.
+ * doc/tm.texi: Regenerate.
+ * config/sparc/sparc.h (JMP_BUF_SIZE): Do not define.
+ * config/pa/pa.h (JMP_BUF_SIZE): Likewise.
+ * config/stormy16/stormy16.h: Likewise.
+
+ * config/picochip/picochip.c: Do not define DONT_USE_BUILTIN_SETJMP.
+
+ * doc/sourcebuild.texi: Add missing subdirectories.
+
+2012-06-25 Tristan Gingold <gingold@adacore.com>
+
+ * config/i386/i386.h: Fix typo.
+
+2012-06-25 Tristan Gingold <gingold@adacore.com>
+
+ * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
+ (seh_cfa_adjust_cfa): ... that function.
+ (seh_emit_stackalloc): Do not emit out of range values.
+ * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
+ UNSPEC_DEF_CFA constants.
+ * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
+ * config/i386/i386.c (ix86_frame_pointer_required): Required
+ for very large frames on SEH target.
+ (ix86_compute_frame_layout): Save area is before frame pointer
+ on SEH target. Handle very large frames.
+ (ix86_expand_prologue): Likewise.
+
+2012-06-24 Steven Bosscher <steven@gcc.gnu.org>
+
+ * output.h: (current_function_is_leaf,
+ current_function_sp_is_unchanging,
+ current_function_uses_only_leaf_regs): Remove.
+ * function.c (current_function_is_leaf,
+ current_function_sp_is_unchanging,
+ current_function_uses_only_leaf_regs): Remove.
+ (rest_of_handle_check_leaf_regs): Set crtl->uses_only_leaf_regs
+ instead of current_function_uses_only_leaf_regs.
+ * function.h (struct rtl_data): New fields sp_is_unchanging,
+ is_leaf, uses_only_leaf_regs.
+ * resource.c (init_resource_info): Replace current_function_is_leaf,
+ current_function_sp_is_unchanging, and
+ current_function_uses_only_leaf_regs with new crtl fields.
+ * sdbout.c (sdbout_symbol): Likewise.
+ * df-core.c (rest_of_handle_df_initialize): Likewise.
+ * ira.c (ira): Likewise.
+ * final.c (final_start_function): Likewise.
+ * reorg.c (fill_simple_delay_slots): Likewise.
+ * regrename.c (check_new_reg_p): Likewise.
+ * stack-ptr-mod.c (notice_stack_pointer_modification_1): Likewise.
+ (notice_stack_pointer_modification): Likewise.
+ * dbxout.c (dbxout_symbol): Likewise.
+ (dbxout_parms): Likewise.
+ * sel-sched.c (init_regs_for_mode): Likewise.
+ * dwarf2out.c (dbx_reg_number): Likewise.
+ (multiple_reg_loc_descriptor): Likewise.
+ * config/i386/i386.c (ix86_frame_pointer_required): Likewise.
+ (gen_pop): Likewise.
+ (ix86_select_alt_pic_regnum): Likewise.
+ (ix86_compute_frame_layout): Likewise.
+ (ix86_finalize_stack_realign_flags): Likewise.
+ (ix86_expand_epilogue): Likewise.
+ * config/rs6000/rs6000.c (rs6000_stack_info): Likewise.
+ * config/h8300/h8300.c (byte_reg): Likewise.
+ * config/c6x/c6x.c (must_reload_pic_reg_p): Likewise.
+ (c6x_save_reg): Likewise.
+ (c6x_compute_frame_layout): Likewise.
+ * config/pa/pa.c (pa_compute_frame_size): Likewise.
+ (pa_output_function_prologue): Likewise.
+ * config/stormy16/stormy16.c (struct xstormy16_stack_layout): Likewise.
+ * config/sparc/sparc.md (attr "leaf_function"): Likewise.
+ * config/sparc/sparc.c (sparc_initial_elimination_offset): Likewise.
+ (sparc_expand_prologue): Likewise.
+ (sparc_flat_expand_prologue): Likewise.
+ (sparc_asm_function_prologue): Likewise.
+ (sparc_output_mi_thunk): Likewise.
+ (sparc_frame_pointer_required): Likewise.
+ * config/epiphany/epiphany.c (epiphany_compute_function_type):
+ Likewise.
+ (epiphany_compute_frame_size): Likewise.
+ * config/lm32/lm32.c (lm32_compute_frame_size): Likewise.
+ * config/cris/cris.c (cris_md_asm_clobbers): Likewise.
+ (cris_frame_pointer_required): Likewise.
+ * config/tilepro/tilepro.c (emit_sp_adjust): Likewise.
+ (tilepro_current_function_is_leaf): Likewise.
+ * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Likewise.
+ * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
+ * config/ia64/ia64.c (find_gr_spill): Likewise.
+ (ia64_compute_frame_size): Likewise.
+ (ia64_can_eliminate): Likewise.
+ (ia64_initial_elimination_offset): Likewise.
+ * config/m68k/m68k.c (m68k_save_reg): Likewise.
+ (m68k_expand_epilogue): Likewise.
+ * config/rx/rx.c (rx_get_stack_layout): Likewise.
+ * config/tilegx/tilegx.c (tilegx_current_function_is_leaf): Likewise.
+ * config/picochip/picochip.c (picochip_can_eliminate_link_sp_save):
+ Likewise.
+ (picochip_output_frame_debug): Likewise.
+ * config/sh/sh.c (sh_media_register_for_return): Likewise.
+ (sh_allocate_initial_value): Likewise.
+ (sh_output_mi_thunk): Likewise.
+ * config/microblaze/microblaze.c (microblaze_must_save_register):
+ Likewise.
+ (compute_frame_size): Likewise.
+ (microblaze_initial_elimination_offset): Likewise.
+ (microblaze_expand_prologue): Likewise.
+ (microblaze_expand_epilogue): Likewise.
+ * config/frv/frv.c (frv_expand_epilogue): Likewise.
+ (frv_frame_pointer_required): Likewise.
+ * config/spu/spu.c (get_pic_reg): Likewise.
+ (direct_return): Likewise.
+ (spu_expand_prologue): Likewise.
+ (spu_expand_epilogue): Likewise.
+ (spu_initial_elimination_offset): Likewise.
+ * config/mips/mips.c (mips_global_pointer): Likewise.
+ (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
+ (mips_compute_frame_info): Likewise.
+ * config/mep/mep.c (mep_interrupt_saved_reg): Likewise.
+ (mep_reload_pointer): Likewise.
+ * config/rl78/rl78.c (need_to_save): Likewise.
+ * config/cr16/cr16.c (cr16_compute_save_regs): Likewise.
+ * config/score/score.c (score_compute_frame_size): Likewise.
+ (score_function_prologue): Likewise.
+ * config/bfin/bfin.c (must_save_p): Likewise.
+ (expand_prologue_reg_save): Likewise.
+ (expand_epilogue_reg_restore): Likewise.
+ (bfin_frame_pointer_required): Likewise.
+ (n_regs_saved_by_prologue): Likewise.
+ (add_to_reg): Likewise.
+ (expand_interrupt_handler_prologue): Likewise.
+ (expand_interrupt_handler_epilogue): Likewise.
+ (bfin_expand_prologue): Likewise.
+ * config/avr/avr.c (avr_regs_to_save): Likewise.
+ (avr_prologue_setup_frame): Likewise.
+ (expand_epilogue): Likewise.
+ * config/s390/s390.c (s390_regs_ever_clobbered): Likewise.
+ (s390_register_info): Likewise.
+ (s390_frame_info): Likewise.
+ (s390_init_frame_layout): Likewise.
+ (s390_emit_prologue): Likewise.
+
+
+2012-06-24 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h: Poison ASM_BYTE_OP and ASM_OUTPUT_BYTE.
+ * vmsdbgout: Do not undefine it if defined.
+ Rename local ASM_BYTE_OP definition to VMS_ASM_BYTE_OP.
+ * config/microblaze/microblaze/h: Do no define ASM_BYTE_OP.
+ * config/mep/mep.h: Do not define ASM_OUTPUT_BYTE.
+
+2012-06-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_process_sync_loop): Add missing enum cast.
+
+2012-06-23 Richard Henderson <rth@redhat.com>
+
+ PR target/53749
+ * config/i386/i386.c (ix86_rtx_costs): Add reasonable costs for
+ V*QImode shifts and multiply.
+ (ix86_expand_vecop_qihi): Support shifts.
+ * config/i386/i386.md (any_shift): New code iterator.
+ * config/i386/sse.md (ashlv16qi3): Merge ...
+ (<any_shiftrt>v16qi3): ... into ...
+ (<any_shift><VI1_AVX2>3): ... here. Use ix86_expand_vecop_qihi
+ to support SSE and AVX.
+
+ * config/i386/i386.c (ix86_expand_sse_unpack): Split operands[]
+ parameter into src and dest.
+ * config/i386/sse.md (vec_unpacku_hi_<V124_AVX2>): Update call.
+ (vec_unpacks_hi_<V124_AVX2>): Likewise.
+ (vec_unpacku_lo_<V124_AVX2>): Likewise.
+ (vec_unpacks_lo_<V124_AVX2>): Likewise.
+ * config/i386/i386-protos.h: Update.
+
+ * config/i386/sse.md (mul<VI1_AVX2>3): Change from insn_and_split to
+ pure expander; move expansion code ...
+ * config/i386/i386.c (ix86_expand_vecop_qihi): ... here. New function.
+ * config/i386/i386-protos.h: Update.
+
+2012-06-22 Edmar Wienskoski <edmar@freescale.com>
+
+ * config/rs6000/rs6000.md (define_attr "type"): New type popcnt.
+ (popcntb<mode>2): Add attribute type popcnt.
+ (popcntd<mode>2): Ditto.
+ * config/rs6000/power4.md (define_insn_reservation): Add type popcnt.
+ * config/rs6000/power5.md (define_insn_reservation): Ditto.
+ * config/rs6000/power7.md (define_insn_reservation): Ditto.
+ * config/rs6000/476.md (define_insn_reservation): Ditto.
+ * config/rs6000/power6.md (define_insn_reservation): New
+ reservation for popcnt instructions.
+
+2012-06-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * doc/invoke.texi: Update -mpreferred-stack-boundary=3 warning.
+
+2012-06-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/53383
+ * doc/invoke.texi: Add a warning for -mpreferred-stack-boundary=3.
+ * config/i386/i386.c (ix86_option_override_internal): Allow
+ -mpreferred-stack-boundary=3 for 64-bit if SSE is disabled.
+ * config/i386/i386.h (MIN_STACK_BOUNDARY): Set to 64 for 64-bit
+ if SSE is disabled.
+
+2012-06-22 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * double-int.c (double_int_multiple_of): New function.
+ * double-int.h (double_int_multiple_of): New decl.
+ * tree-ssa-loop-ivopts.c (add_cost, zero_cost): Remove undefs.
+ (mbc_entry_hash): New forward decl.
+ (mbc_entry_eq): Likewise.
+ (zero_cost): Change to no_cost.
+ (mult_costs): New static var.
+ (cost_tables_exist): Likewise.
+ (initialize_costs): New function.
+ (finalize_costs): Likewise.
+ (tree_ssa_iv_optimize_init): Call initialize_costs.
+ (add_cost): Change to add_regs_cost; distinguish costs by speed.
+ (multiply_regs_cost): New function.
+ (add_const_cost): Likewise.
+ (extend_or_trunc_reg_cost): Likewise.
+ (negate_reg_cost): Likewise.
+ (multiply_by_cost): Change to multiply_by_const_cost; distinguish
+ costs by speed.
+ (get_address_cost): Change add_cost to add_regs_cost; change
+ multiply_by_cost to multiply_by_const_cost.
+ (force_expr_to_var_cost): Change zero_cost to no_cost; change
+ add_cost to add_regs_cost; change multiply_by_cost to
+ multiply_by_const_cost.
+ (split_cost): Change zero_cost to no_cost.
+ (ptr_difference_cost): Likewise.
+ (difference_cost): Change zero_cost to no_cost; change multiply_by_cost
+ to multiply_by_const_cost.
+ (get_computation_cost_at): Change add_cost to add_regs_cost; change
+ multiply_by_cost to multiply_by_const_cost.
+ (determine_use_iv_cost_generic): Change zero_cost to no_cost.
+ (determine_iv_cost): Change add_cost to add_regs_cost.
+ (iv_ca_new): Change zero_cost to no_cost.
+ (tree_ssa_iv_optimize_finalize): Call finalize_costs.
+ * tree-ssa-address.c (most_expensive_mult_to_index): Change
+ multiply_by_cost to multiply_by_const_cost.
+ * tree-flow.h (multiply_by_cost): Change to multiply_by_const_cost.
+ (add_regs_cost): New decl.
+ (multiply_regs_cost): Likewise.
+ (add_const_cost): Likewise.
+ (extend_or_trunc_reg_cost): Likewise.
+ (negate_reg_cost): Likewise.
+
+2012-06-22 Richard Guenther <rguenther@suse.de>
+
+ Merge from graphite branch
+ 2011-08-10 Sebastian Pop <sebpop@gmail.com>
+
+ * graphite-sese-to-poly.c (build_scop_drs): Fix memory leak.
+
+ 2012-01-13 Tobias Grosser <tobias@grosser.es>
+
+ * tree-flow.h (parallelized_function_p): Declare.
+ * tree-parloops.c (parallelized_function_p): Export.
+ * graphite.c (graphite_transform_loops): Do not run graphite on
+ already parallel functions.
+
+2012-06-22 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_pre_atomic_barrier): Pass in and
+ return mem. Convert to indirect addressing if not indirect or
+ indexed. Adjust all callers.
+
+2012-06-22 Richard Guenther <rguenther@suse.de>
+
+ * gcov-iov.c: Include bconfig.h and system.h.
+
+2012-06-22 Andreas Schwab <schwab@linux-m68k.org>
+
+ * doc/include/texinfo.tex: Update to version 2012-06-05.14.
+
+2012-06-22 Richard Guenther <rguenther@suse.de>
+
+ PR gcov-profile/53744
+ * gcov-iov.c (main): Treat "" and "prerelease" the same.
+
+2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR debug/53704
+ * dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Fortran90 as language
+ for GNU Fortran if in strict DWARF2 mode.
+
+2012-06-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
+ DECL_IGNORED_P non-reg vars even if they are used.
+
+2012-06-21 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/53671
+ PR debug/49888
+ * var-tracking.c (vt_get_canonicalize_base): New.
+ (vt_canonicalize_addr, vt_stack_offset_p): New.
+ (vt_canon_true_dep): New.
+ (drop_overlapping_mem_locs): Use vt_canon_true_dep.
+ (clobber_overlaping_mems): Use vt_canonicalize_addr.
+
+2012-06-21 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/53671
+ PR debug/49888
+ * var-tracking.c (vt_initialize): Record initial offset between
+ arg pointer and stack pointer.
+
+2012-06-21 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/53671
+ PR debug/49888
+ * var-tracking.c (vt_init_cfa_base): Drop redundant recording of
+ CFA base.
+
+2012-06-21 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/53671
+ PR debug/49888
+ * alias.c (memrefs_conflict_p): Improve handling of AND for alignment.
+
+2012-06-21 Alexandre Oliva <aoliva@redhat.com>
+
+ * ddg.c (build_intra_loop_deps): Discard deps of nondebug on debug.
+
+2012-06-21 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/53682
+ * cselib.c (promote_debug_loc): Don't crash on NULL argument.
+
+2012-06-21 Meador Inge <meadori@codesourcery.com>
+
+ PR c/53702
+ * c-decl.c (c_push_function_context): Restore the behavior to reuse
+ the language function allocated for -Wunused-local-typedefs.
+ (c_pop_function_context): If necessary, clear the language function
+ created in c_push_function_context. Always clear out the
+ x_cur_stmt_list field of the restored language function.
+
+2012-06-21 Sterling Augustine <saugustine@google.com>
+ Cary Coutant <ccoutant@google.com>
+
+ * dwarf2out.c (is_cu_die, is_namespace_die, is_class_die,
+ add_AT_pubnames, add_enumerator_pubname, want_pubnames): New functions.
+ (comdat_type_struct): New field 'skeleton_die'.
+ (breakout_comdat_types): Update it.
+ (add_pubname): Rework logic. Call is_class_die, is_cu_die and
+ is_namespace_die. Fix minor style violation. Call want_pubnames.
+ (add_pubname_string): Call want_pubnames.
+ (add_pubtype): Rework logic for calculating type name. Call
+ is_namespace_die. Call want_pubnames.
+ (output_pubnames): Move conditional logic deciding when to produce the
+ section from dwarf2out_finish. Use new skeleton_die field.
+ (base_type_die): Call add_pubtype.
+ (gen_enumeration_type_die): Unconditionally call add_pubtype.
+ (gen_subprogram_die): Adjust calls to add_pubname.
+ (gen_namespace_die): Call add_pubname_string.
+ (dwarf2out_finish): Call add_AT_pubnames; Move logic on when to
+ produce pubnames and pubtypes sections to output_pubnames.
+ * common.opt (-gpubnames): New option.
+ * doc/invoke.texi: Document it.
+
+2012-06-21 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/m32c/m32c-pragma.c: Remove unnecessary includes.
+
+2012-06-21 Michael Matz <matz@suse.de>
+
+ PR middle-end/53688
+ * builtins.c (get_memory_rtx): Always build an all-aliasing MEM_REF
+ with correct size.
+
+2012-06-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-inline.c (estimate_num_insns): Estimate call cost for
+ tailcalls properly.
+
+2012-06-20 Rüdiger Sonderfeld <ruediger@c-plusplus.de>
+
+ * tree.h (DECL_SOURCE_COLUMN): New accessor.
+
+2012-06-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (SINCOS): New int iterator.
+ (sincos): New int attribute.
+ (*<sincos>xf2_i387): Macroize insn from *{sin,cos}xf2_i387 using
+ SINCOS int iterator.
+ (*<sincos>_extend<mode>xf2_i387): Macroize insn from
+ *{sin,cos}_extend<mode>xf2_i387 using SINCOS int iterator.
+
+2012-06-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (RDFSGSBASE): New int iterator.
+ (WRFSGSBASE): Ditto.
+ (fsgs): New int attribute.
+ (rd<fsgs>base<mode>): Macroize insn from rd<fsgs>base<mode> using
+ RDFSGSBASE int iterator.
+ (wr<fsgs>base<mode>): Macroize insn from wr<fsgs>base<mode> using
+ WRFSGSBASE int iterator.
+
+2012-06-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (<rounding_insn><mode>2): Macroize expander
+ from {floor,ceil,btrunc}<mode>2 using FIST_ROUNDING int iterator.
+ (l<rounding_insn><MODEF:mode><SWI48:mode>2): Macroize expander
+ from l{floor,ceil}<MODEF:mode><SWI48:mode>2 using FIST_ROUNDING
+ int iterator.
+
+2012-06-20 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h: Poison ASM_OUTPUT_IDENT and IDENT_ASM_OP.
+
+2012-06-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/30318
+ * tree-vrp.c (range_int_cst_p): Do not reject overflowed
+ constants here.
+ (range_int_cst_singleton_p): But explicitely here.
+ (zero_nonzero_bits_from_vr): And here.
+ (extract_range_from_binary_expr_1): Re-implement PLUS_EXPR
+ to cover all cases we can perform arbitrary precision
+ arithmetic with double-ints.
+ (intersect_ranges): Handle adjacent anti-ranges.
+
+2012-06-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (rounding_insn): New int attribute.
+ (<rounding_insn>xf2): Macroize insn from
+ {floor,ceil,btrunc}xf2 using FRNDINT_ROUNDING int iterator.
+ (l<rounding_insn>xf<mode>2): Rename from l<rounding>xf<mode>2.
+
+2012-06-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (IEEE_MAXMIN): New int iterator.
+ (ieee_maxmin): New int attribute.
+ (*ieee_s<ieee_maxmin><mode>3): Macroize insn from
+ *ieee_s{max,min}<mode>3 using IEEE_MAXMIN int iterator.
+
+2012-06-20 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/arm/arm.h (EMIT_EABI_ATTRIBUTE): Remove.
+ * config/arm/arm.c: Do not include c-pragma.h.
+ (arm_emit_eabi_attribute): New function based on EMIT_EABI_ATTRIBUTE.
+ (arm_file_start): Replace uses of EMIT_EABI_ATTRIBUTE with calls
+ to arm_emit_eabi_attribute.
+ * arm-c.c: Do not include output.h.
+ (arm_output_c_attributes): Replace use of EMIT_EABI_ATTRIBUTE with a
+ call to arm_emit_eabi_attribute.
+ * config/arm/arm-protos.h (arm_emit_eabi_attribute): Prototype it.
+
+2012-06-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-data-refs.c (vect_can_force_dr_alignment_p):
+ Allow adjusting alignment of user-aligned decls again.
+
+2012-06-20 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/rl78/rl78-c.c: Remove unnecessary includes.
+
+2012-06-20 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/cris/cris.c: Include cgraph.h.
+ (cris_option_override): Do not set non-existing flag_no_gcc_ident.
+
+2012-06-19 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * emit-rtl.c (need_atomic_barrier_p): New function.
+ * emit-rtl.h (need_atomic_barrier_p): Declare it.
+ * config/alpha/alpha.c (alpha_{pre,post}_atomic_barrier): Use it.
+ * config/arm/arm.c (arm_{pre,post}_atomic_barrier): Use it.
+ * config/tilegx/tilegx.c (tile_{pre,post}_atomic_barrier): Use it.
+ * config/mips/mips.c (mips_{pre,post}_atomic_barrier_p): Remove.
+ (mips_process_sync_loop): Use generic version instead.
+
+2012-06-19 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/mips/mips.c (mips_process_sync_loop): Emit cmp result only if
+ it is used.
+
+2012-06-19 Tom de Vries <vries@codesourcery.com>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/mips/constraints.md (ZR): New constraint.
+ * config/mips/predicates.md (mem_noofs_operand): New predicate.
+ * config/mips/mips.c (mips_print_operand): Handle new print modifier.
+ * config/mips/mips.h (TARGET_XLP): Define.
+ (TARGET_SYNC_AFTER_SC): Update.
+ (ISA_HAS_SWAP, ISA_HAS_LDADD): Define.
+ * config/mips/sync.md (atomic_exchange, atomic_fetch_add): Use
+ XLP-specific swap and ldadd patterns.
+ (atomic_exchange_swap, atomic_fetch_add_ldadd): New patterns.
+
+2012-06-19 Tom de Vries <vries@codesourcery.com>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/mips/mips.c (mips_emit_pre_atomic_barrier_p,)
+ (mips_emit_post_atomic_barrier_p): New static functions.
+ (mips_process_sync_loop): Use them. Emit sync memory barriers in
+ accordance with memory model semantics. Add return of CMP result for
+ compare_and_swap.
+ * config/mips/mips.md: Update comment.
+ (sync_cmp): New attribute.
+ (sync_memmodel): New attribute replacing sync_release_barrier.
+ * config/mips/sync.md (UNSPEC_ATOMIC_COMPARE_AND_SWAP,)
+ (UNSPEC_ATOMIC_EXCHANGE, UNSPEC_ATOMIC_FETCH_OP): New constants.
+ (sync_lock_test_and_set, test_and_set_12): Update.
+ (atomic_compare_and_swap, atomic_exchange, atomic_exchange_llsc,)
+ (atomic_fetch_add, atomic_fetch_add_llsc): New patterns.
+
+2012-06-19 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/spe.md (*mov_si<mode>_e500_subreg0): Rename to
+ mov_si<mode>_e500_subreg0.
+ (*mov_si<mode>_e500_subreg0_elf_low)
+ (*mov_si<mode>_e500_subreg4_elf_low): New patterns.
+
+2012-06-19 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c: Include params.h.
+ (alpha_option_override): Initialize PARAM_L1_CACHE_LINE_SIZE,
+ PARAM_L1_CACHE_SIZE, PARAM_L2_CACHE_SIZE for the cpu tuning.
+
+2012-06-19 Steven Bosscher <steven@gcc.gnu.org>
+
+ * doc/tm.texi.in (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE,
+ TARGET_OBJC_DECLARE_CLASS_DEFINITION): Add @hooks.
+ (ASM_DECLARE_CLASS_REFERENCE, ASM_DECLARE_UNRESOLVED_REFERENCE):
+ Remove.
+ * doc/tm.texi: Regenerate.
+ * config/darwin.h (ASM_OUTPUT_LABELREF): Remove special case for
+ .objc_class_name_*.
+ * config/darwin-c.c: Include target.h.
+ (darwin_objc_declare_unresolved_class_reference): New function.
+ (darwin_objc_declare_class_definition): New function.
+ (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE): Define.
+ (TARGET_OBJC_DECLARE_CLASS_DEFINITION): Define.
+
+2012-06-19 Steven Bosscher <steven@gcc.gnu.org>
+
+ * target.def (output_ident): New hook.
+ * targhooks.h (default_asm_output_ident_directive): Add prototype.
+ * varasm.c (assemble_asm): Only prefix a tab if the string does not
+ already start with one.
+ (default_asm_output_ident_directive): New function to emit
+ .ident as a top-level asm node while parsing, or directly to
+ asm_out_file after parsing.
+ * toplev.c (compile_file): Print a GCC .ident with
+ targetm.asm_out.output_ident.
+ * doc/tm.texi.in (ASM_OUTPUT_IDENT): Remove documentation for macro.
+ (TARGET_ASM_OUTPUT_IDENT): Add @hook for this.
+ * doc/tm.texi: Update.
+
+ * config/elfos.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
+ (TARGET_ASM_OUTPUT_IDENT): Define.
+ * config/i386/djgpp.h (IDENT_ASM_OP): Remove.
+ * config/i386/gas.h (ASM_OUTPUT_IDENT): Remove.
+ * config/arm/aout.h (ASM_OUTPUT_IDENT): Remove.
+ * config/sparc/sparc.h (IDENT_ASM_OP): Remove.
+ (TARGET_ASM_OUTPUT_IDENT): Define.
+ * config/picochip/picochip.h (IDENT_ASM_OP): Remove.
+ (TARGET_ASM_OUTPUT_IDENT): Define.
+
+ * config/cris/cris-protos.h (cris_asm_output_ident): Add prototype.
+ * config/cris/cris.c (cris_asm_output_ident): New function.
+ * config/cris/cris.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
+
+ * config/microblaze/microblaze-protos.h (microblaze_asm_output_ident):
+ Add prototype.
+ * config/microblaze/microblaze.c: Include cgraph.h for add_asm_node.
+ (microblaze_asm_output_ident): Rewrite to work similar to
+ default_asm_output_ident_directive for front-end .idents.
+ * config/microblaze/microblaze.h (ASM_OUTPUT_IDENT): Remove.
+ (TARGET_ASM_OUTPUT_IDENT): Define.
+
+ * config/mips/mips.h (ASM_OUTPUT_IDENT): Remove.
+ * config/mips/sde.h (IDENT_ASM_OP, ASM_OUTPUT_IDENT): Remove.
+
+ * config/rx/rx.c: Include cgraph.h for add_asm_node.
+ (rx_asm_output_ident): New function, similar to
+ default_asm_output_ident_directive, but handle AS100 syntax also, so
+ that #ident also works for rx in AS100 syntax.
+ (TARGET_ASM_OUTPUT_IDENT): Define.
+ * config/rx/rx.h (IDENT_ASM_OP): Remove.
+
+ * Makefile.in: Fix dependencies for c-family/c-lex.o.
+
+2012-06-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (FIST_ROUNDING): New int iterator.
+ (rounding): Handle UNSPEC_FIST_{FLOOR,CEIL}.
+ (ROUNDING): Ditto.
+ (*fist<mode>2_<rounding>_1): Macroize insn from
+ *fist<mode>2_{floor,ceil}_1 using FIST_ROUNDING int iterator.
+ (fistdi2_<rounding>): Macroize insn from
+ fistdi2_{floor,ceil} using FIST_ROUNDING int iterator.
+ (fistdi2_<rounding>_with_temp and splitters): Macroize insn and
+ corresponding splitters from fistdi2_{floor,ceil} and corresponding
+ splitters using FIST_ROUNDING int iterator.
+ (fist<mode>2_<rounding>): Macroize insn from
+ fist<mode>2_{floor,ceil} using FIST_ROUNDING int iterator.
+ (fist<mode>2_<rounding>_with_temp and splitters): Macroize insn and
+ corresponding splitters from fist<mode>2_{floor,ceil} and corresponding
+ splitters using FIST_ROUNDING int iterator.
+ (l<rounding>xf<mode>2): Macroize expander from l{floor,ceil}xf<mode>2
+ using FIST_ROUNDING int iterator.
+
+2012-06-19 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386-protos.h (ix86_expand_sse2_mulv4si3): Declare.
+ * config/i386/i386.c (ix86_expand_sse2_mulv4si3): New.
+ * config/i386/predicates.md (nonimmediate_or_const_vector_operand): New.
+ * config/i386/sse.md (sse2_mulv4si3): Delete.
+ (mul<VI4_AVX2>3): Use ix86_expand_sse2_mulv4si3 and
+ nonimmediate_or_const_vector_operand.
+
+2012-06-19 Richard Henderson <rth@redhat.com>
+
+ * expmed.c (struct init_expmed_rtl): Split ...
+ (init_expmed_one_mode): ... out of ...
+ (init_expmed): ... here. Initialize integer vector modes also.
+ (synth_mult): Handle integer vector modes.
+ (choose_mult_variant): Likewise.
+ (expand_mult_const): Likewise.
+ (expand_mult): Likewise.
+ * machmode.h (GET_MODE_UNIT_BITSIZE): New.
+
+2012-06-19 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_rtx_costs): Handle CONST_VECTOR, and
+ integral vector modes.
+
+2012-06-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (FRNDINT_ROUNDING): New int iterator.
+ (rounding): New int attribute.
+ (ROUNDING): Ditto.
+ (frndintxf2_<rounding>): Macroize insn from
+ frndintxf2_{floor,ceil,trunc} using FRNDINT_ROUNDING int iterator.
+ (frndintxf2_<rounding>_i387): Macroize insn from
+ frndintxf2_{floor,ceil,trunc}_i387 using FRNDINT_ROUNDING int iterator.
+
+2012-06-19 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (union_ranges): New function.
+ (vrp_meet_1): Use union_ranges.
+ (vrp_meet): Dump what we union and call vrp_meet_1.
+
+2012-06-19 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (enum unspec): Delete UNSPEC_SIN and UNSPEC_COS.
+ (attr type): Remove fmul, ffmul, farith, ffarith, float_em
+ f_fpa_load, f_fpa_store, f_mem_r, r_mem_f.
+ (attr write_conflict, attr core_cycles): Update.
+ * arm-generic.md (r_mem_f_wbuf): Delete reservation.
+
+2012-06-19 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (intersect_ranges): Handle more cases.
+ (vrp_intersect_ranges): Dump what we intersect and call ...
+ (vrp_intersect_ranges_1): ... this.
+
+2012-06-19 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53708
+ * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
+ user-supplied alignment and alignment of decls with the used
+ attribute.
+
+2012-06-18 Lawrence Crowl <crowl@google.com>
+
+ * timevar.def (TV_PHASE_GENERATE): Rename to TV_PHASE_LATE_ASM.
+ (TV_PHASE_CGRAPH): Rename to TV_PHASE_OPT_GEN.
+ (TV_PHASE_STREAM_IN): New.
+ (TV_PHASE_STREAM_OUT): New.
+ * timevar.c (validate_phases): New.
+ (timevar_print): Call validate_phases.
+ * c-decl.c (c_write_global_declarations): Rename use of TV_PHASE_CGRAPH
+ to TV_PHASE_OPT_GEN.
+ * langhooks.c (write_global_declarations): Rename use of
+ TV_PHASE_CGRAPH to TV_PHASE_OPT_GEN. Use TV_PHASE_DBGINFO instead of
+ TV_PHASE_CHECK_DBGINFO.
+ * toplev.c (compile_file): Rename use of TV_PHASE_GENERATE to
+ TV_PHASE_LATE_ASM. Move start of TV_PHASE_LATE_ASM to after call to
+ lang_hooks.decls.final_write_globals.
+
+2012-06-18 David Edelshn <dje.gcc@gmail.com>
+
+ * config/rs6000/aix52.h (TARGET_EXTRA_BUILTINS): Define as 0.
+
+2012-06-18 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53712
+ * config/i386/sse.md (*sse4_2_pcmpestr_unaligned): New.
+ (*sse4_2_pcmpistr_unaligned): New.
+
+2012-06-18 Ian Bolton <ian.bolton@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <greta.yorsh@arm.com>
+
+ * config/arm/arm-protos.h (arm_output_epilogue): Remove.
+ * config/arm/arm.c (print_multi_reg): Remove.
+ (vfp_output_fldmd): Likewise.
+ (arm_output_epilogue): Likewise.
+ * config/arm/arm.md (epilogue_insns): Update condition and code.
+
+2012-06-18 Ian Bolton <ian.bolton@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <greta.yorsh@arm.com>
+
+ * config/arm/arm-protos.h (thumb2_expand_return): New declaration.
+ * config/arm/arm.c (thumb2_expand_return): New function.
+ * config/arm/arm.md (return): Update condition and code.
+
+2012-06-18 Ian Bolton <ian.bolton@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <greta.yorsh@arm.com>
+
+ * config/arm/arm-protos.h (output_return_instruction): New parameter
+ and int to bool change of parameter types.
+ * config/arm/arm.c (output_return_instruction): Likewise.
+ * config/arm/arm.md (arm_simple_return): New pattern.
+ (arm_return, cond_return, cond_return_inverted): Add new arguments.
+ * config/arm/thumb2.md (thumb2_return): Update condition and code.
+
+2012-06-18 Ian Bolton <ian.bolton@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <greta.yorsh@arm.com>
+
+ * config/arm/arm-protos.h (arm_expand_epilogue): New declaration.
+ * config/arm/arm.c (arm_expand_epilogue): New function.
+ * config/arm/arm.md (epilogue): Update condition and code.
+ (sibcall_epilogue): Likewise.
+
+2012-06-18 Ian Bolton <ian.bolton@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <greta.yorsh@arm.com>
+
+ * config/arm/arm.c (arm_expand_epilogue_apcs_frame): New function.
+ * config/arm/arm.md (arm_addsi3) Add an alternative.
+
+2012-06-18 Ian Bolton <ian.bolton@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <greta.yorsh@arm.com>
+
+ * config/arm/arm.md (vfp_pop_multiple_with_writeback) New define_insn.
+ * config/arm/predicates.md (pop_multiple_fp) New special predicate.
+ * config/arm/arm.c (arm_emit_vfp_multi_reg_pop): New function.
+
+2012-06-18 Ian Bolton <ian.bolton@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <greta.yorsh@arm.com>
+
+ * config/arm/arm.md (load_multiple_with_writeback) New define_insn.
+ (load_multiple, pop_multiple_with_writeback_and_return) Likewise.
+ (pop_multiple_with_return, ldr_with_return) Likewise.
+ * config/arm/predicates.md (pop_multiple_return) New special predicate.
+ * config/arm/arm-protos.h (arm_output_multireg_pop) New declaration.
+ * config/arm/arm.c (arm_output_multireg_pop) New function.
+ (arm_emit_multi_reg_pop): New function.
+
+2012-06-18 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm.c (ldm_stm_operation_p): Require SP
+ as base register for loads if SP is in the register list.
+
+2012-06-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53693
+ * tree-vect-patterns.c (vect_operation_fits_smaller_type):
+ Reject operands with more than one use.
+
+2012-06-18 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ PR tree-optimization/53703
+ * tree-ssa-phiopt.c (hoist_adjacent_loads): Skip virtual phis;
+ correctly set bb_for_def[12].
+
+2012-06-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/vax/vax.h (VMS_TARGET): Remove.
+
+2012-06-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (extract_range_from_assert): Split out range
+ intersecting code.
+ (intersect_ranges): New function.
+ (vrp_intersect_ranges): Likewise.
+
+2012-06-18 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_gimplify_va_arg): Revert change from
+ r187965.
+
+2012-06-18 Tejas Belagod <tejas.belagod@arm.com>
+
+ * doc/md.texi: Document int iterators.
+ * read-rtl.c (ints): New iterator group.
+ (find_int): Int iterator group callback.
+ (apply_int_iterator): Likewise.
+ (apply_iterators): Traverse int iterator table and add all the used
+ iterators to list.
+ (initialize_iterators): Initialize data structures and callbacks for
+ int iterators.
+ (read_rtx): Parse and read mappings for int iterators.
+ (read_rtx_code): Record int iterator usage.
+
+2012-06-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/53698
+ * expr.c (expand_expr_addr_expr_1): Convert to tmode before
+ performing an addition.
+
+2012-06-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * output.h (split_double): Move prototype to rtl.h.
+ (constructor_static_from_elts_p): Move prototype to tree.c.
+ * rtl.h (split_double): Moved here from output.h.
+ * tree.h (constructor_static_from_elts_p): Moved here from output.h.
+ * final.c (split_double): Move from here ...
+ * rtlanal.c (split_double): ... to here.
+ * expr.c: Do not include output.h.
+
+2012-06-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cfglayout.h: Remove.
+ * cfglayout.c: Remove.
+ * function.h (struct function): Remove x_last_location field.
+ * function.c: Do not include cfglayout.h.
+ (expand_function_start): Do not call no-op force_next_line_note.
+ (expand_function_end): Likewise.
+ * cfgrtl.c: Do not include cfglayout.h. Include gt-cfgrtl.h.
+ (unlink_insn_chain): Moved here from cfglayout.c.
+ (skip_insns_after_block, label_for_bb, record_effective_endpoints,
+ into_cfg_layout_mode, outof_cfg_layout_mode,
+ pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode,
+ relink_block_chain, fixup_reorder_chain, verify_insn_chain,
+ fixup_fallthru_exit_predecessor, force_one_exit_fallthru,
+ cfg_layout_can_duplicate_bb_p, duplicate_insn_chain,
+ cfg_layout_duplicate_bb, cfg_layout_initialize, break_superblocks,
+ cfg_layout_finalize): Likewise.
+ (rtl_can_remove_branch_p): Likewise.
+ * rtl.h (insn_scope): Move prototype from cfglayout.h here.
+ (duplicate_insn_chain): Likewise.
+ (force_next_line_note): Remove prototype.
+ * emit-rtl.c: Do not include tree-flow.h, egad. Include vecprim.h.
+ (last_location): Remove #define to emit.x_last_location.
+ (force_next_line_note): Remove no-op function.
+ (init_emit): Don't set x_last_location.
+ (block_locators_locs, block_locators_blocks, locations_locators_locs,
+ locations_locators_vals, prologue_locator, epilogue_locator,
+ curr_location, last_location, curr_block, last_block, curr_rtl_loc):
+ Move POD to here from cfglayout.c.
+ (insn_locators_alloc, insn_locators_finalize, insn_locators_free,
+ set_curr_insn_source_location, get_curr_insn_source_location,
+ set_curr_insn_block, get_curr_insn_block, curr_insn_locator,
+ locator_scope, insn_scope, locator_location, locator_line, insn_line,
+ locator_file, insn_file, locator_eq): Move to here from cfglayout.c.
+ * cfghooks.h: Remove double-include protection.
+ (can_copy_bbs_p, copy_bbs): Move prototypes from cfglayout.h to here.
+ * cfghooks.c (can_copy_bbs_p, copy_bbs): Move to here from cfglayout.c.
+ * final.c: Do not include cfglayout.h.
+ (choose_inner_scope, change_scope): Move to here from cfglayout.c.
+ (reemit_insn_block_notes): Likewise. Make static.
+ * tree-flow.h (tree_could_trap_p, operation_could_trap_helper_p,
+ operation_could_trap_p, tree_could_throw_p): Move from here...
+ * tree.h: ... to here.
+ * gengtype.c (open_base_files): Remove cfglayout.h from the list.
+ * profile.c: Do not include cfghooks.h.
+ * cfgloopmanip.c: Do not include cfglayout.h and cfghooks.h.
+ * modulo-sched.c: Likewise.
+ * loop-unswitch.c: Do not include cfglayout.h.
+ * sched-ebb.c: Likewise.
+ * tracer.c: Likewise.
+ * ddg.c: Likewise.
+ * tree-vect-loop-manip.c: Likewise.
+ * loop-init.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * hw-doloop.c: Likewise.
+ * loop-unroll.c: Likewise.
+ * cfgcleanup.c: Likewise.
+ * bb-reorder.c: Likewise.
+ * sched-rgn.c: Likewise.
+ * tree-cfg.c: Likewise.
+ * config/alpha/alpha.c: Likewise.
+ * config/spu/spu.c: Likewise.
+ * config/sparc/sparc.c: Likewise.
+ * config/sh/sh.c: Likewise.
+ * config/c6x/c6x.c: Likewise.
+ * config/ia64/ia64.c: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+ * config/score/score.c: Likewise.
+ * config/mips/mips.c: Likewise.
+ * config/bfin/bfin.c: Likewise.
+ * Makefile.in (CFGAYOUT_H): Remove, and fixup users.
+ * config/rs6000/t-rs6000 (rs6000.o): Do not depend on cfglayout.h.
+ * config/spu/t-spu-elf (spu.o: $): Likewise.
+ * config/sparc/t-sparc (sparc.o): Do not depend on CFGLAYOUT_H.
+
+2012-06-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cfgloop.h: Do not include rtl.h.
+ (enum iv_extend_code): New.
+ (struct rtx_iv): Use iv_extend_code instead of rtx_code.
+ * Makefile.in (CFGLOOP_H): Do not depend on RTL_H.
+ * loop-iv.c (iv_extend_to_rtx_code): New function to translate
+ an IV_EXTEND_CODE to an RTX_CODE.
+ (dump_iv_info): Update for rtx_iv field type change.
+ (iv_constant): Likewise.
+ (iv_subreg): Likewise.
+ (iv_extend): Likewise.
+ (iv_neg): Likewise.
+ (iv_add): Likewise.
+ (iv_mult): Likewise.
+ (iv_shift): Likewise.
+ (get_biv_step_1): Likewise.
+ (get_biv_step): Likewise.
+ (iv_analyze_biv): Likewise.
+ (get_iv_value): Likewise.
+ (shorten_into_mode): Likewise.
+ (canonicalize_iv_subregs): Likewise.
+ * sese.c (sese_build_liveouts): Use MAY_HAVE_DEBUG_STMTS instead
+ of MAY_HAVE_DEBUG_INSNS.
+ * tree-ssa-loop-ivopts.c: Include recog.h after expr.h.
+ * tree-ssa-loop-prefetch.c: Likewise.
+
+2012-06-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * expmed.c (ceil_log2): Move from here...
+ * hwint.c: ... to here for older GCCs...
+ * hwint.h: ... and here for newer GCCs.
+ * rtl.h (ceil_log2): Remove prototype.
+
+ * tree-phinodes.c: Do not include rtl.h.
+ * Makefile.in (tree-phinodes.o): Do not depend on RTL_H.
+
+2012-06-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/cris/cris.h (TARGET_ELF): Remove.
+ (FORCE_EH_FRAME_INFO_IN_DATA_SECTION): Remove.
+ (CRIS_ASM_OUTPUT_ALIGNED_DECL_COMMON): Simpify using TARGET_ELF==1.
+ (LOCAL_LABEL_PREFIX): Likewise.
+ * config/cris/cris.c (cris_target_asm_named_section): Remove.
+ (cris_option_override): Simpify using TARGET_ELF==1.
+ (cris_file_start): Likewise.
+ * config/cris/cris-protos.h (cris_target_asm_named_section): Remove.
+
+2012-06-17 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
+
+2012-06-16 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/53590
+ * tree-inline.c (initialize_cfun): Copy can_delete_dead_exceptions.
+
+2012-06-15 Easwaran Raman <eraman@google.com>
+
+ * passes.c (init_optimization_passes): Remove pass_call_cdce
+ from its current position and insert after pass_dce.
+
+2012-06-15 Walter Lee <walt@tilera.com>
+
+ * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
+
+2012-06-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (note_invalid_constants): Don't return a result.
+ (arm_memory_load_p): Delete function.
+ (arm_const_double_rtx): Delete iterator variable i;
+ (fp_immediate_constant): Likewise.
+ (fp_const_from_val): Likewise.
+
+ * arm.c (arm_init_iwmmxt_builtins): Delete void_ftype_void.
+
+2012-06-15 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c++/51033
+ * c-typeck.c (c_build_vec_perm_expr): Move to c-family/c-common.c.
+ * c-tree.h (c_build_vec_perm_expr): Move to c-family/c-common.h.
+
+2012-06-15 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (avr_default_expand_builtin): New function.
+ (avr_expand_builtin): Use it.
+ (avr_expand_unop_builtin): Remove.
+ (avr_expand_binop_builtin): Remove.
+ (avr_expand_triop_builtin): Remove.
+
+2012-06-15 Michael Matz <matz@suse.de>
+
+ PR middle-end/38474
+ * cfgexpand.c (add_alias_set_conflicts): Remove.
+ (expand_used_vars): Don't call it.
+ (aggregate_contains_union_type): Remove.
+ * function.c (n_temp_slots_in_use): New static data.
+ (make_slot_available, assign_stack_temp_for_type): Update it.
+ (init_temp_slots): Zero it.
+ (remove_unused_temp_slot_addresses): Use it for quicker removal.
+ (remove_unused_temp_slot_addresses_1): Use htab_clear_slot.
+
+2012-06-15 Michael Matz <matz@suse.de>
+
+ * gimplify.c (gimplify_compound_literal_expr): Take gimple_test_f
+ argument, don't emit assign statement if value is directly usable.
+ (gimplify_expr): Adjust.
+
+2012-06-15 Michael Matz <matz@suse.de>
+
+ * gimplify.c (gimplify_modify_expr): Fold generated statements.
+ * gimple-fold.c (can_refer_decl_in_current_unit_p): Check flag_ltrans.
+
+2012-06-15 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (set_and_canonicalize_value_range): Use canonical
+ predicates to set VR_UNDEFINED and VR_VARYING. Drop a case
+ we assert for in set_value_range to VR_VARYING.
+
+2012-06-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (addsf3, adddf3): Use s_register_operand.
+ (subsf3, subdf3): Likewise.
+ (mulsf3, muldf3): Likewise.
+ (difsf3, divdf3): Likewise.
+ (movsfcc, movdfcc): Likewise.
+ * predicates.md (f_register_operand): Delete.
+ (arm_float_rhs_operand): Delete.
+ (arm_float_add_operand): Delete.
+ (arm_float_compare_operand): Use s_register_operand when
+ there's no VFP.
+ (cirrus_register_operand): Delete.
+ (cirrus_fp_register): Delete.
+ (cirrus_shift_const): Delete.
+ (cmpdi_operand): Remove Maverick support.
+ * constraints.md (f, v, H): Delete constraints.
+ (G): Update documentation.
+ * arm.c (fp_consts_inited): Convert to bool.
+ (strings_fp): Delete.
+ (values_fp): Delete.
+ (value_fp0): New variable.
+ (init_fp_table): Simplify logic.
+ (arm_const_double_rtx): Likewise.
+ (fp_immediate_constant): Likewise.
+ (fp_const_from_val): Likewise.
+ (neg_const_double_rtx_ok_for_fpa): Delete.
+ * doc/md.texi (ARM constraints): Update documentation.
+
+2012-06-15 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ PR tree-optimization/53636
+ * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Verify
+ stride when doing basic-block vectorization.
+
+2012-06-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ * tree-vect-generic.c (lower_vec_perm): Propagate vector constants
+ into VEC_PERM_EXPR.
+
+2012-06-15 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-vect-patterns.c (vect_pattern_recog): Don't unnecessarily
+ allocate and free bbs array for the SLP case.
+
+ PR tree-optimization/51581
+ * expr.h (choose_multiplier): New prototype.
+ * expmed.c (choose_multiplier): No longer static.
+ Change multiplier_ptr from rtx * to UHWI *.
+ (expand_divmod): Adjust callers.
+ * tree-vect-patterns.c (vect_recog_sdivmod_pow2_pattern): Renamed to...
+ (vect_recog_divmod_pattern): ... this. Pass bb_vinfo as last
+ argument to new_stmt_vec_info. Attempt to optimize also divisions
+ by non-pow2 constants if integer vector division isn't supported.
+ * tree-vect-stmts.c (vect_analyze_stmt): If node != NULL,
+ don't look at pattern stmts and sequences.
+
+2012-06-15 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/53590
+ * common.opt (-fdelete-dead-exceptions): New switch.
+ * doc/invoke.texi (Code Gen Options): Document it.
+ * cse.c (count_reg_usage) <CALL_INSN>: Use !insn_nothrow_p in lieu of
+ insn_could_throw_p predicate. Do not skip an insn that could throw
+ if dead exceptions can be deleted.
+ (insn_live_p): Likewise, do not return true in that case.
+ * dce.c (can_alter_cfg): New flag.
+ (deletable_insn_p): Do not return false for an insn that can throw if
+ the CFG can be altered and dead exceptions can be deleted.
+ (init_dce): Set can_alter_cfg to false for fast DCE, true otherwise.
+ * dse.c (scan_insn): Use !insn_nothrow_p in lieu of insn_could_throw_
+ predicate. Do not preserve an insn that could throw if dead exceptions
+ can be deleted.
+ * function.h (struct function): Add can_delete_dead_exceptions flag.
+ * function.c (allocate_struct_function): Set it.
+ * lto-streamer-in.c (input_struct_function_base): Stream it.
+ * lto-streamer-out.c (input_struct_function_base): Likewise.
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark a
+ statement that could throw as necessary if dead exceptions can be
+ deleted.
+
+2012-06-14 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
+
+2012-06-14 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53568
+ * config/sh/sh.md: Add peephole for swapbsi2.
+ (*swapbisi2_and_shl8, *swapbhisi2): New insns and splits.
+
+2012-06-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*zero_extendsidi2): Remove x,x alternative.
+ (*zero_extendsidi2_rex64): Ditto. Remove isa attribute.
+
+2012-06-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/53639
+ * config/i386/i386.md (*anddi_1 into *andsi_1_zext splitter): New.
+
+2012-06-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_cirrus_insn_p): Delete.
+ (cirrus_reorg): Delete.
+ (arm_reorg): Don't call cirrus_reorg.
+ (arm_final_prescan_insn_p): Don't check for cirrus insns.
+ * arm.md (define_attr "type"): Remove mav_farith and mav_dmult.
+ (adddi3, subdi3): Remove Maverick support.
+ (arm_adddi3): Likewise.
+ (adddi_sesidi_di, adddi_zesidi_di): Likewise.
+ (addsf3, adddf3): Likewise.
+ (subsf3, subdf3): Likewise.
+ (mulsf3, muldf3): Likewise.
+ (ashldi3, ashrdi3, lshrdi3): Likewise.
+ (floatsisf2, floatsidf2): Likewise.
+ (fix_truncsfsi2, fix_truncdfsi2): Likewise.
+ (arm_movdi, thumb1_movdi_insn): Likewise.
+ (arm_cmpdi_insn): Likewise.
+ (cirrus_cmpsf, cirrus_cmpdf, cirrus_cmpdi): Likewise.
+ (cirrus.md): Don't include.
+ * cirrus.md: Delete file.
+ * t-arm (MD_INCLUDES): Remove cirrus.md.
+
+2012-06-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ * dwarf2out.c (function_possibly_abstracted_p): New static function.
+ (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
+ cgraph_function_possibly_inlined_p.
+ (gen_inlined_subroutine_die): Return if the origin is to be ignored.
+ (process_scope_var): Do not emit concrete instances of abstracted
+ nested functions from here.
+ (gen_decl_die): Emit the abstract instance if the function is possibly
+ abstracted and not only possibly inlined.
+ (dwarf2out_finish): Find the first non-abstract parent instance and
+ attach concrete instances on the limbo list to it.
+
+2012-06-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (divsf3, divdf3): Remove FPA support.
+ (negsf2, negdf2): Likewise.
+ (sqrtsf2, sqrtdf2): Likewise.
+ (movdfcc): Likewise.
+ (modsf3, moddf3, movxf): Delete.
+ (push_fp_multi): Delete.
+ (fpa.md): Don't include it.
+ * fpa.md: Delete file.
+ * t-arm (MD_INCLUDES): Remove fpa.md.
+
+2012-06-14 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * tree-vectorizer.h (vect_get_stmt_cost): Move from tree-vect-stmts.c.
+ (cost_for_stmt): Remove decl.
+ (vect_get_single_scalar_iteration_cost): Correct typo in name.
+ * tree-vect-loop.c (vect_get_cost): Remove.
+ (vect_get_single_scalar_iteration_cost): Correct typo in name; use
+ vect_get_stmt_cost rather than vect_get_cost.
+ (vect_get_known_peeling_cost): Use vect_get_stmt_cost rather than
+ vect_get_cost.
+ (vect_estimate_min_profitable_iters): Correct typo in call to
+ vect_get_single_scalar_iteration_cost; use vect_get_stmt_cost rather
+ than vect_get_cost.
+ (vect_model_reduction_cost): Use vect_get_stmt_cost rather than
+ vect_get_cost.
+ (vect_model_induction_cost): Likewise.
+ * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Correct
+ typo in call to vect_get_single_scalar_iteration_cost.
+ * tree-vect-stmts.c (vect_get_stmt_cost): Move to tree-vectorizer.h.
+ (cost_for_stmt): Remove unnecessary function.
+ * Makefile.in (TREE_VECTORIZER_H): Update dependencies.
+
+2012-06-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.opt (mfp=2, mfp=3, mfpe, mfpe=2, mfpe=3): Delete options.
+ * arm-fpus.def (fpa, fpe2, fpe3, maverick): Delete FPU types.
+ * arm-tables.opt: Regenerated.
+ * doc/invoke.texi: Remove references to deleted options.
+
+2012-06-14 Sandeep Kumar Singh <Sandeep.Singh2@kpitcummins.com>
+
+ * config/h8300/genmova.sh: Modified to add offset bits of
+ mova/Sz assembly instruction for memory access.
+ * config/h8300/h8300.c: Likewise.
+ * config/h8300/mova.md: Likewise.
+
+2012-06-12 Christian Bruel <christian.bruel@st.com>
+
+ PR target/53621
+ * config/sh/sh.c (sh_option_override): Don't force
+ flag_omit_frame_pointer and maccumulate_outgoing_args.
+ * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
+
+2012-06-14 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (VR_INITIALIZER): New define.
+ (ranges_from_anti_range): New function.
+ (extract_range_from_binary_expr_1): Decompose operations on
+ VR_ANTI_RANGEs to operations on VR_RANGE.
+ (extract_range_from_unary_expr_1): Likewise.
+ (extract_range_from_binary_expr_1, extract_range_from_binary_expr,
+ extract_range_from_unary_expr_1, extract_range_from_unary_expr,
+ extract_range_from_cond_expr, adjust_range_with_scev,
+ vrp_visit_assignment_or_call, vrp_visit_phi_node,
+ simplify_bit_ops_using_ranges): Use VR_INITIALIZER.
+
+2012-06-13 Richard Henderson <rth@redhat.com>
+
+ * hwint.h (HOST_WIDEST_INT_C): New.
+ (HOST_WIDE_INT_C): New.
+ (HOST_WIDE_INT_1): Use it.
+ * config/alpha/alpha.c (alpha_trampoline_init): Use it.
+
+2012-06-13 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/49888
+ * var-tracking.c: Include alias.h.
+ (overlapping_mems): New struct.
+ (drop_overlapping_mem_locs): New.
+ (clobber_overlapping_mems): New.
+ (var_mem_delete_and_set, var_mem_delete): Call it.
+ (val_bind): Likewise, but only if modified.
+ (compute_bb_dataflow, emit_notes_in_bb): Call it on MEMs.
+ * Makefile.in (var-tracking.o): Depend in $(ALIAS_H).
+
+2012-06-13 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/47624
+ * var-tracking.c (loc_exp_dep_pool): New.
+ (vt_emit_notes): Create and release the pool.
+ (compute_bb_dataflow): Use value-based locations in MO_VAL_SET.
+ (emit_notes_in_bb): Likewise.
+ (loc_exp_dep_insert): Deal with NOT_ONEPART vars.
+ (notify_dependents_of_changed_value): Likewise.
+ (notify_dependents_of_resolved_value): Check that NOT_ONEPART
+ variables don't have a VAR_LOC_DEP_LST.
+ (emit_note_insn_var_location): Expand NOT_ONEPART locs that are
+ VALUEs or MEMs of VALUEs.
+
+2012-06-13 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/52983
+ PR debug/48866
+ * dce.c (word_dce_process_block): Insert debug temps only if the
+ insn is not marked.
+ (dce_process_block): Likewise, and if debug.used is not empty,
+ and only after iterating over all DEFs that might mark the insn.
+
+2012-06-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * common.opt (ftree-coalesce-inlined-vars): New.
+ (ftree-coalesce-vars): New.
+ * doc/invoke.texi: Document them.
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
+ Implement them.
+
+2012-06-13 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * read-rtl.c (mapping): Remove index field. Add current_value field.
+ Define heap vectors.
+ (iterator_group): Fix long line. Remove num_builtins field and
+ uses_iterator fields. Make apply_iterator take a void * parameter.
+ (iterator_use, atttribute_use): New structures.
+ (iterator_traverse_data, BELLWETHER_CODE, bellwether_codes): Delete.
+ (current_iterators, iterator_uses, attribute_uses): New variables.
+ (uses_mode_iterator_p, uses_code_iterator_p): Delete.
+ (apply_mode_iterator, apply_code_iterator): Take a void * parameter.
+ (map_attr_string, apply_iterator_to_string): Remove iterator
+ and value parameters. Look through all current iterator values
+ for a matching attribute.
+ (mode_attr_index, apply_mode_maps): Delete.
+ (apply_iterator_to_rtx): Replace with...
+ (copy_rtx_for_iterators): ...this new function.
+ (uses_iterator_p, apply_iterator_traverse): Delete.
+ (apply_attribute_uses, add_current_iterators, apply_iterators): New
+ functions.
+ (add_mapping): Remove index field. Set current_value field.
+ (initialize_iterators): Don't set num_builtins and uses_iterator_p
+ fields.
+ (find_iterator): Delete.
+ (record_iterator_use, record_attribute_use): New functions.
+ (record_potential_iterator_use): New function.
+ (check_code_iterator): Remove handling of bellwether codes.
+ (read_rtx): Remove mode maps. Truncate iterator and attribute uses.
+ (read_rtx_code, read_nested_rtx, read_rtx_variadic): Remove mode_maps
+ parameter. Use the first code iterator value instead of the
+ bellwether_codes array. Use record_potential_iterator_use for modes.
+
+2012-06-13 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53568
+ * config/sh/sh.md (bswapsi2): New expander.
+ (swapbsi2): New insn.
+
+2012-06-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/53647
+ * config/i386/i386.c (ix86_tune_cost): New variable.
+ (ix86_option_override_internal): Set ix86_tune_cost. Use
+ ix86_tune_cost for simultaneous_prefetches, prefetch_block,
+ l1_cache_size and l2_cache_size.
+
+2012-06-13 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (vrp_meet): Properly meet equivalent ranges.
+ Handle meeting two VR_RANGE to an VR_ANTI_RANGE. Implement
+ all possible meetings of VR_RANGE with VR_ANTI_RANGE and
+ VR_ANTI_RANGE with VR_ANTI_RANGE.
+
+2012-06-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * config.gcc (unsupported): Move obsoleted FPA-based configurations
+ here from ...
+ (obsolete): ... here.
+ (arm*-*-freebsd*): Remove.
+ (arm*-*-linux*): Only accept EABI variants. Simplify logic.
+ (arm*-*-uclinux*): Likewise.
+ (arm*-*-ecos-elf): Remove.
+ (arm*-*-rtems*): Remove.
+ (arm*-*-elf): Remove.
+ (arm*-wince-pe*): Remove.
+ (arm, --with-fpu): Remove support for fpa and Maverick variants.
+ * arm/ecos-elf.h: Delete.
+ * arm/t-strongarm-elf: Delete.
+ * arm/rtems-elf.h: Delete.
+ * arm/wince-pe.h: Delete.
+ * arm/pe.c: Delete.
+ * arm/pe.h: Delete.
+ * arm/t-wince-pe: Delete.
+
+2012-06-13 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ PR tree-optimization/53647
+ * tree-ssa-phiopt.c (gate_hoist_loads): Skip transformation for
+ targets with no defined cache line size.
+
+2012-06-13 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * targhooks.c (default_builtin_vectorized_conversion): Handle
+ vec_construct, using vectype to base cost on subparts.
+ * target.h (enum vect_cost_for_stmt): Add vec_construct.
+ * tree-vect-stmts.c (vect_model_load_cost): Use vec_construct
+ instead of scalar_to-vec.
+ * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
+ vec_construct in same way as default for now.
+ * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
+ Handle vec_construct, including special case for 32-bit loads.
+
+2012-06-13 Xinyu Qi <xyqi@marvell.com>
+
+ * config/arm/arm.c (FL_IWMMXT2): New define.
+ (arm_arch_iwmmxt2): New variable.
+ (arm_option_override): Enable use of iWMMXt with VFP.
+ Disable use of iWMMXt with NEON. Disable use of iWMMXt under
+ Thumb mode. Set arm_arch_iwmmxt2.
+ (arm_expand_binop_builtin): Accept VOIDmode op.
+ (enum arm_builtins): Revise built-in fcode.
+ (IWMMXT2_BUILTIN): New define.
+ (IWMMXT2_BUILTIN2): Likewise.
+ (iwmmx2_mbuiltin): Likewise.
+ (builtin_description bdesc_2arg): Revise built in declaration.
+ (builtin_description bdesc_1arg): Likewise.
+ (arm_init_iwmmxt_builtins): Revise built in initialization.
+ (arm_expand_builtin): Revise built in expansion.
+ (arm_output_iwmmxt_shift_immediate): New function.
+ (arm_output_iwmmxt_tinsr): Likewise.
+ * config/arm/arm-protos.h (arm_output_iwmmxt_shift_immediate): Declare.
+ (arm_output_iwmmxt_tinsr): Likewise.
+ * config/arm/iwmmxt.md (WCGR0, WCGR1, WCGR2, WCGR3): New constant.
+ (iwmmxt_psadbw, iwmmxt_walign, iwmmxt_tmrc, iwmmxt_tmcr): Delete.
+ (rorv4hi3, rorv2si3, rordi3): Likewise.
+ (rorv4hi3_di, rorv2si3_di, rordi3_di): Likewise.
+ (ashrv4hi3_di, ashrv2si3_di, ashrdi3_di): Likewise.
+ (lshrv4hi3_di, lshrv2si3_di, lshrdi3_di): Likewise.
+ (ashlv4hi3_di, ashlv2si3_di, ashldi3_di): Likewise.
+ (iwmmxt_tbcstqi, iwmmxt_tbcsthi, iwmmxt_tbcstsi): Likewise
+ (*iwmmxt_clrv8qi, *iwmmxt_clrv4hi, *iwmmxt_clrv2si): Likewise.
+ (tbcstv8qi, tbcstv4hi, tbsctv2si): New pattern.
+ (iwmmxt_clrv8qi, iwmmxt_clrv4hi, iwmmxt_clrv2si): Likewise.
+ (*and<mode>3_iwmmxt, *ior<mode>3_iwmmxt, *xor<mode>3_iwmmxt): Likewise.
+ (ror<mode>3, ror<mode>3_di): Likewise.
+ (ashr<mode>3_di, lshr<mode>3_di, ashl<mode>3_di): Likewise.
+ (ashli<mode>3_iwmmxt, iwmmxt_waligni, iwmmxt_walignr): Likewise.
+ (iwmmxt_walignr0, iwmmxt_walignr1): Likewise.
+ (iwmmxt_walignr2, iwmmxt_walignr3): Likewise.
+ (iwmmxt_setwcgr0, iwmmxt_setwcgr1): Likewise.
+ (iwmmxt_setwcgr2, iwmmxt_setwcgr3): Likewise.
+ (iwmmxt_getwcgr0, iwmmxt_getwcgr1): Likewise.
+ (iwmmxt_getwcgr2, iwmmxt_getwcgr3): Likewise.
+ (All instruction patterns): Add wtype attribute.
+ (*iwmmxt_arm_movdi, *iwmmxt_movsi_insn): iWMMXt coexist with vfp.
+ (iwmmxt_uavgrndv8qi3, iwmmxt_uavgrndv4hi3): Revise the pattern.
+ (iwmmxt_uavgv8qi3, iwmmxt_uavgv4hi3): Likewise.
+ (ashr<mode>3_iwmmxt, ashl<mode>3_iwmmxt, lshr<mode>3_iwmmxt): Likewise.
+ (iwmmxt_tinsrb, iwmmxt_tinsrh, iwmmxt_tinsrw):Likewise.
+ (eqv8qi3, eqv4hi3, eqv2si3, gtuv8qi3): Likewise.
+ (gtuv4hi3, gtuv2si3, gtv8qi3, gtv4hi3, gtv2si3): Likewise.
+ (iwmmxt_wunpckihh, iwmmxt_wunpckihw, iwmmxt_wunpckilh): Likewise.
+ (iwmmxt_wunpckilw, iwmmxt_wunpckehub, iwmmxt_wunpckehuh): Likewise.
+ (iwmmxt_wunpckehuw, iwmmxt_wunpckehsb, iwmmxt_wunpckehsh): Likewise.
+ (iwmmxt_wunpckehsw, iwmmxt_wunpckelub, iwmmxt_wunpckeluh): Likewise.
+ (iwmmxt_wunpckeluw, iwmmxt_wunpckelsb, iwmmxt_wunpckelsh): Likewise.
+ (iwmmxt_wunpckelsw, iwmmxt_wmadds, iwmmxt_wmaddu): Likewise.
+ (iwmmxt_wsadb, iwmmxt_wsadh, iwmmxt_wsadbz, iwmmxt_wsadhz): Likewise.
+ (iwmmxt2.md): Include.
+ * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __IWMMXT2__.
+ (TARGET_IWMMXT2): New define.
+ (TARGET_REALLY_IWMMXT2): Likewise.
+ (arm_arch_iwmmxt2): Declare.
+ * config/arm/mmintrin.h: Use __IWMMXT__ to enable iWMMXt intrinsics.
+ Use __IWMMXT2__ to enable iWMMXt2 intrinsics.
+ Use C name-mangling for intrinsics.
+ (__v8qi): Redefine.
+ (_mm_cvtsi32_si64, _mm_andnot_si64, _mm_sad_pu8): Revise.
+ (_mm_sad_pu16, _mm_align_si64, _mm_setwcx, _mm_getwcx): Likewise.
+ (_m_from_int): Likewise.
+ (_mm_sada_pu8, _mm_sada_pu16): New intrinsic.
+ (_mm_alignr0_si64, _mm_alignr1_si64, _mm_alignr2_si64): Likewise.
+ (_mm_alignr3_si64, _mm_tandcb, _mm_tandch, _mm_tandcw): Likewise.
+ (_mm_textrcb, _mm_textrch, _mm_textrcw, _mm_torcb): Likewise.
+ (_mm_torch, _mm_torcw, _mm_tbcst_pi8, _mm_tbcst_pi16): Likewise.
+ (_mm_tbcst_pi32): Likewise.
+ (_mm_abs_pi8, _mm_abs_pi16, _mm_abs_pi32): New iWMMXt2 intrinsic.
+ (_mm_addsubhx_pi16, _mm_absdiff_pu8, _mm_absdiff_pu16): Likewise.
+ (_mm_absdiff_pu32, _mm_addc_pu16, _mm_addc_pu32): Likewise.
+ (_mm_avg4_pu8, _mm_avg4r_pu8, _mm_maddx_pi16, _mm_maddx_pu16): Likewise.
+ (_mm_msub_pi16, _mm_msub_pu16, _mm_mulhi_pi32): Likewise.
+ (_mm_mulhi_pu32, _mm_mulhir_pi16, _mm_mulhir_pi32): Likewise.
+ (_mm_mulhir_pu16, _mm_mulhir_pu32, _mm_mullo_pi32): Likewise.
+ (_mm_qmulm_pi16, _mm_qmulm_pi32, _mm_qmulmr_pi16): Likewise.
+ (_mm_qmulmr_pi32, _mm_subaddhx_pi16, _mm_addbhusl_pu8): Likewise.
+ (_mm_addbhusm_pu8, _mm_qmiabb_pi32, _mm_qmiabbn_pi32): Likewise.
+ (_mm_qmiabt_pi32, _mm_qmiabtn_pi32, _mm_qmiatb_pi32): Likewise.
+ (_mm_qmiatbn_pi32, _mm_qmiatt_pi32, _mm_qmiattn_pi32): Likewise.
+ (_mm_wmiabb_si64, _mm_wmiabbn_si64, _mm_wmiabt_si64): Likewise.
+ (_mm_wmiabtn_si64, _mm_wmiatb_si64, _mm_wmiatbn_si64): Likewise.
+ (_mm_wmiatt_si64, _mm_wmiattn_si64, _mm_wmiawbb_si64): Likewise.
+ (_mm_wmiawbbn_si64, _mm_wmiawbt_si64, _mm_wmiawbtn_si64): Likewise.
+ (_mm_wmiawtb_si64, _mm_wmiawtbn_si64, _mm_wmiawtt_si64): Likewise.
+ (_mm_wmiawttn_si64, _mm_merge_si64): Likewise.
+ (_mm_torvscb, _mm_torvsch, _mm_torvscw): Likewise.
+ (_m_to_int): New define.
+ * config/arm/arm-cores.def (iwmmxt2): Add FL_IWMMXT2.
+ * config/arm/arm-arches.def (iwmmxt2): Likewise.
+ * config/arm/t-arm (MD_INCLUDES): Add marvell-f-iwmmxt.md and
+ iwmmxt2.md.
+ * config/arm/arm.md (marvell-f-iwmmxt.md): Include.
+ (arch): Add "iwmmxt2".
+ (arch_enabled): Handle "iwmmxt2".
+ (wtype): New attribute.
+ (UNSPEC_WMADDS, UNSPEC_WMADDU): Delete.
+ (UNSPEC_WALIGNI): New unspec.
+ * config/arm/predicates.md (imm_or_reg_operand): New predicate.
+ * config/arm/iterators.md (VMMX2): New mode_iterator.
+ * config/arm/marvell-f-iwmmxt.md: New file.
+ * config/arm/iwmmxt2.md: New file.
+
+2012-06-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/53532
+ PR c/51034
+ PR c/53196
+ * c-decl.c (build_compound_literal): Call c_incomplete_type_error
+ if type isn't complete.
+
+2012-06-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
+
+2012-06-12 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
+ iterator instead of INT.
+
+2012-06-12 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * opts.c: Add -fhoist-adjacent-loads to -O2 and above.
+ * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Add argument to forward
+ declaration.
+ (hoist_adjacent_loads, gate_hoist_loads): New forward declarations.
+ (tree_ssa_phiopt): Call gate_hoist_loads.
+ (tree_ssa_cs_elim): Add parm to tree_ssa_phiopt_worker call.
+ (tree_ssa_phiopt_worker): Add do_hoist_loads to formal arg list; call
+ hoist_adjacent_loads.
+ (local_mem_dependence): New function.
+ (hoist_adjacent_loads): Likewise.
+ (gate_hoist_loads): Likewise.
+ * common.opt (fhoist-adjacent-loads): New switch.
+ * Makefile.in (tree-ssa-phiopt.o): Added dependencies.
+
+2012-06-12 Michael Matz <matz@suse.de>
+
+ * alias.c (nonoverlapping_component_refs_p): Take two rtx arguments.
+ (nonoverlapping_memrefs_p): Don't call it here ...
+ (true_dependence_1): ... but here.
+
+2012-06-12 Richard Guenther <rguenther@suse.de>
+
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove dead code.
+ * alias.c (ao_ref_from_mem): MEM_EXPR is conservative, MEM_OFFSET
+ and MEM_SIZE only refines it. Reflect that and be less conservative
+ if either of the latter is not known.
+
+2012-06-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/53589
+ * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
+ discovery even when e->dest != target. If any LABEL_REF points
+ to e->dest label, redirect it to target's label.
+
+2012-06-12 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * config/sh/sh.c (output_stack_adjust): Remove !epilogue_p
+ condition for generating REG_FRAME_RELATED_EXPR note.
+ (pop): Add code for generating REG_CFA_RESTORE,
+ REG_CFA_ADJUST_CFA notes. Set RTX_FRAME_RELATED_P to 1.
+ (sh_expand_epilogue): Use frame_insn() for FP to SP move.
+ Set 'frame_p' of calls to output_stack_adjust() to 'true'.
+
+2012-06-11 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (HWI_HEX2): Add missing shift.
+ * vmsdbgout.c (VMS_EPOCH_OFFSET): Add LL suffix.
+
+ * config/alpha/alpha.c (alpha_trampoline_init): Split large constants.
+
+2012-06-12 Hans-Peter Nilsson <hp@axis.com>
+
+ * doc/tm.texi.in (Addressing Modes) <TARGET_LEGITIMIZE_ADDRESS>:
+ Mention that this hook needs to be defined for native TLS.
+ * doc/tm.texi: Regenerate.
+
+2012-06-11 Mike Stump <mikestump@comcast.net>
+
+ * emit-rtl.c (init_emit_once): Iterate through the
+ MODE_PARTIAL_INT modes with MIN_MODE_PARTIAL_INT and
+ MAX_MODE_PARTIAL_INT, as GET_MODE_WIDER_MODE doesn't step through
+ all the MIN_MODE_PARTIAL_INT modes anymore.
+
+2012-06-12 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/mips/mips-tables.opt (xlp): Fix merge typo.
+
+2012-06-11 Roland McGrath <mcgrathr@google.com>
+
+ * dwarf2out.c (const_ok_for_output_1): Detect a TLS UNSPEC using
+ SYMBOL_REF_TLS_MODEL rather than DECL_THREAD_LOCAL_P, in case it's
+ not a VAR_DECL. Also don't limit it to UNSPECs with exactly one
+ operand.
+
+2012-06-11 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53511
+ * config/sh/sh.md (fmasf4): New expander.
+ (*macsf3): Rename to fmasf4_i. Adapt to fma pattern.
+ (mac_media): Rename to fmasf4_media. Adapt to fma pattern.
+ * config/sh/sh.opt (mfused-madd): Remove.
+ * config/sh/sh.c (sh_option_override): Remove mfused-madd handling.
+ (builtin_description bdesc): Remove __builtin_sh_media_FMAC_S.
+ * config.gcc (sh[123456789lbe]*-*-* | sh-*-*): Add fused-madd.opt
+ as extra options.
+ * doc/invoke.texi (SH Options): Update mfused-madd and mno-fused-madd
+ descriptions.
+
+2012-06-11 Richard Henderson <rth@redhat.com>
+
+ * dwarf2cfi.c (scan_trace): Handle annulled branch-taken delay slots.
+
+2012-06-11 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53470
+ * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
+ replace it with the first non-BLOCK context.
+
+2012-06-11 Richard Guenther <rguenther@suse.de>
+
+ * alias.c (aliases_everything_p): Remove.
+ (DIFFERENT_ALIAS_SETS_P): Likewise.
+ (true_dependence_1): Use mems_in_disjoint_alias_sets_p directly.
+ Do not use aliases_everything_p or special-case ANDs. Do not
+ special-case BLKmode moves.
+ (may_alias_p): Likewise. Handle BLKmode similar like everywhere
+ - for SCATCH only.
+
+2012-06-09 Hans-Peter Nilsson <hp@axis.com>
+
+ Fix CRIS build errors with --enable-build-with-cxx.
+ * config/cris/cris.c (cris_emit_trap_for_misalignment): Rename
+ variable "and" to "andop".
+ * config/cris/sync.md ("atomic_fetch_<atomic_op_name><mode>"): Use
+ temporary variable for memory model, passing C++-type-correct
+ parameter type to expand_mem_thread_fence.
+ ("atomic_compare_and_swap<mode>"): Ditto.
+
+2012-06-09 Richard Henderson <rth@redhat.com>
+
+ PR c++/53602
+ * cfgcleanup.c (execute_jump): Rename from rest_of_handle_jump2.
+ (pass_jump): Rename from pass_jump2.
+ (execute_jump2, pass_jump2): New.
+ * combine-stack-adj.c (rest_of_handle_stack_adjustments): Don't
+ perform cfg cleanup here. Move the test of PUSH_ROUNDING
+ and ACCUMULATE_OUTGOING_ARGS test...
+ (gate_handle_stack_adjustments): ... here.
+ * passes.c (init_optimization_passes): Update for pass_jump2 rename.
+ Place new pass_jump2 after pass_stack_adjustments.
+ * tree-pass.h (pass_jump): Declare.
+
+2012-06-09 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * simplify-rtx.c (simplify_const_binary_operation): Fixed shift
+ count trucation.
+
+2012-06-08 Richard Henderson <rth@redhat.com>
+
+ PR c++/53602
+ * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
+ note to a clobber insn when no other insn is available.
+
+2012-06-08 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (avr_case_values_threshold): Return 7.
+
+2012-06-07 Andreas Schwab <schwab@linux-m68k.org>
+
+ * genhooks.c (main): Set progname.
+ (emit_documentation): Remove variable found_start, always bail out
+ when a place is missing.
+ * doc/tm.texi.in (C++ ABI): Add @hook TARGET_CXX_DECL_MANGLING_CONTEXT.
+
+2012-06-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/53580
+ * omp-low.c (scan_omp): Change first argument to gimple_seq *,
+ call walk_gimple_seq_mod instead of walk_gimple_seq.
+ (scan_sharing_clauses, scan_omp_parallel, scan_omp_task,
+ scan_omp_for, scan_omp_sections, scan_omp_single,
+ execute_lower_omp): Adjust callers.
+ (scan_omp_1_stmt): Likewise. If check_omp_nesting_restrictions
+ returns false, replace stmt with GIMPLE_NOP.
+ (check_omp_nesting_restrictions): Instead of issuing warnings,
+ issue errors and return false if any errors were reported.
+
+2012-06-06 Steven Bosscher <steven@gcc.gnu.org>
+
+ * doc/invoke.texi (fconserve-space): Remove documentation.
+
+2012-06-06 Edmar Wienskoski <edmar@freescale.com>
+
+ * config/rs6000/rs6000-tables.opt: Regenerated.
+
+2012-06-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53081
+ * tree-data-ref.h (adjacent_store_dr_p): Rename to ...
+ (adjacent_dr_p): ... this and make it work for reads, too.
+ * tree-loop-distribution.c (enum partition_kind): Add PKIND_MEMCPY.
+ (struct partition_s): Change main_stmt to main_dr, add
+ secondary_dr member.
+ (build_size_arg_loc): Change to date data-reference and not
+ gimplify here.
+ (build_addr_arg_loc): New function split out from ...
+ (generate_memset_builtin): ... here. Use it and simplify.
+ (generate_memcpy_builtin): New function.
+ (generate_code_for_partition): Adjust.
+ (classify_partition): Streamline pattern detection. Detect memcpy.
+ (ldist_gen): Adjust.
+ (tree_loop_distribution): Adjust seed statements for memcpy
+ recognition.
+
+2012-06-06 Matt Turner <mattst88@gmail.com>
+
+ * config/arm/mmintrin.h (_mm_empty): New.
+ (_m_empty): New.
+
+2012-06-06 Richard Sandiford <r.sandiford@uk.ibm.com>
+
+ * doc/invoke.texi (sched-pressure-algorithm): Document new --param.
+ * common.opt (fsched-pressure-algorithm=): Remove.
+ * flag-types.h (sched_pressure_algorithm): Move to...
+ * sched-int.h (sched_pressure_algorithm): ...here.
+ * params.def (sched-pressure-algorithm): New param.
+ * haifa-sched.c (sched_init): Use it to initialize sched_pressure.
+ * common/config/s390/s390-common.c (s390_option_optimization_table):
+ Remove OPT_fsched_pressure_algorithm_ entry.
+ * config/s390/s390.c (s390_option_override): Set a default value for
+ PARAM_SCHED_PRESSURE_ALGORITHM.
+
+2012-06-05 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/53487
+ * config/rs6000/rs6000.c (rs6000_generate_compare): If we are
+ doing an unsigned compare, make sure the second argument is not a
+ negative constant.
+ (rs6000_emit_cmove): Don't allow floating point comparisons when
+ generating ISEL moves.
+
+2012-06-05 Edmar Wienskoski <edmar@freescale.com>
+
+ * config/rs6000/e5500.md: New file.
+ * config/rs6000/e6500.md: New file.
+ * config/rs6000/rs6000.c (processor_costs): Add new costs for
+ e5500 and e6500.
+ (rs6000_option_override_internal): Altivec and Spe options not
+ allowed with e5500. Spe options not allowed with e6500. Increase
+ move inline limit for e5500 and e6500. Disable string instructions
+ for e5500 and e6500. Enable branch targets alignment for e5500 and
+ e6500. Initialize rs6000_cost for e5500 and e6500.
+ (rs6000_adjust_cost): Add extra scheduling cycles between compare
+ and brnach for e5500 and e6500.
+ (rs6000_issue_rate): Set issue rate for e5500 and e6500.
+ * config/rs6000/rs6000-cpus.def: Add cpu definitions for e5500 and
+ e6500.
+ * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add e5500 and e6500.
+ * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce5500 and
+ ppce6500.
+ Include e5500.md and e6500.md.
+ * config/rs6000/rs6000-opt.h (processor_type): Add
+ PROCESSOR_PPCE5500 and PROCESSOR_PPCE6500.
+ * config.gcc (cpu_is_64bit): Add new cores e5500, e6500.
+ (powerpc*-*-*): Add new cores e5500, e6500.
+ * doc/invoke.texi: (item -mcpu): Add e5500 and e6500 to list of cpus.
+
+2012-06-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-data-refs.c (vect_analyze_data_refs): Fix last change.
+
+2012-06-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/53575
+ * config.gcc: Select x32 run-time library if --with-abi={x32|mx32}
+ is used for x86_64-*-*.
+
+2012-06-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/30442
+ * tree-vect-data-refs.c (vect_analyze_data_refs): For basic-block
+ vectorization stop analysis at the first stmt we cannot compute
+ a data-reference for instead of giving up completely.
+
+2012-06-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-loop-distribution.c (struct partition_s): Add has_writes member.
+ (partition_alloc): Initialize it.
+ (partition_has_writes): New function.
+ (rdg_flag_uses): Adjust.
+ (rdg_flag_vertex): Likewise.
+ (rdg_flag_vertex_and_dependent): Likewise.
+ (rdg_flag_loop_exits): Likewise.
+ (build_rdg_partition_for_component): Likewise.
+ (rdg_build_partitions): Likewise.
+
+2012-06-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53081
+ * tree-loop-distribution.c (generate_memset_builtin): Handle all
+ kinds of byte-sized stores.
+ (classify_partition): Likewise.
+ (tree_loop_distribution): Adjust seed statements used for
+ !flag_tree_loop_distribution.
+
+2012-06-05 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (ptr_regno_for_savres): Comment.
+ (rs6000_emit_prologue): Ensure register used for inline saves
+ of vector regs is not the static chain register. Revise comment.
+
+2012-06-04 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * doc/md.texi (Standard Pattern Names For Generation): Document
+ sincos pattern.
+
+2012-06-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/53555
+ * config/i386/i386.c (ix86_sched_reorder): Skip debug insns.
+
+2012-06-04 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (is_unit_die): New.
+ (copy_declaration_context, copy_ancestor_tree): Use it.
+ (copy_decls_walk): Likewise.
+
+2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/53524
+ * doc/invoke.texi (Wenum-compare): Update documentation.
+
+2012-06-04 Dodji Seketeli <dodji@redhat.com>
+
+ PR preprocessor/53463
+ * parser.c (cp_parser_assignment_expression): Use the location
+ for the '=' as the default location for the expression.
+
+2012-06-04 Edmar Wienskoski <edmar@freescale.com>
+
+ PR target/53559
+ * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
+ operands.
+ (altivec_stvlxl): Ditto.
+ (altivec_stvrx): Ditto.
+ (altivec_stvrxl): Ditto.
+
+2012-06-04 Vladimir Makarov <vmakarov@redhat.com>
+
+ * ira-int.h (struct target_ira_int): Add member x_ira_uniform_class_p.
+ (ira_uniform_class_p): New macro.
+
+ * ira.c (setup_uniform_class_p): New function.
+ (setup_allocno_and_important_classes): Call the function.
+ (print_unform_and_important_classes): New function.
+ (print_classes): Rename to print_translated_classes.
+ (ira_debug_allocno_classes): Add call of
+ print_unform_and_important_classes.
+
+ * ira-costs.c (setup_regno_cost_classes_by_aclass): Use uniform
+ classes instead of pressure classes.
+
+2012-06-04 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/47530
+ * trans-mem.c (expand_block_edges): Do not skip the first
+ statement when resetting the BB.
+
+2012-06-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-data-ref.c (stores_from_loop): Remove.
+ (stmt_with_adjacent_zero_store_dr_p): Likewise.
+ (stores_zero_from_loop): Likewise.
+ * tree-data-ref.h (stores_from_loop, stores_zero_from_loop,
+ stmt_with_adjacent_zero_store_dr_p, stride_of_unit_type_p): Remove.
+ (adjacent_store_dr_p): New function.
+ * tree-loop-distribution.c (generate_memset_builtin): Pass
+ the RDG, use the already available data-reference.
+ (generate_code_for_partition): Pass down RDG.
+ (classify_partition): Inline parts of the former
+ stmt_with_adjacent_zero_store_dr_p here and use adjacent_store_dr_p.
+ (ldist_gen): Remember if there was any detected builtin and
+ do less work if not and flag_tree_loop_distribution is not set.
+ (tree_loop_distribution): Inline and fuse stores_from_loop
+ and stores_zero_from_loop here.
+
+2012-06-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53471
+ * dwarf2out.c (dwarf2out_finish): If generating LTO do not
+ create new assembler names.
+
+2012-06-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-data-ref.c (struct rdg_vertex_info): Remove.
+ (rdg_vertex_for_stmt): Simplify using gimple_uid.
+ (create_rdg_vertices): Pass loop argument, remove stmt to RDG index
+ hashtable. Record stmt data-references.
+ (hash_stmt_vertex_info): Remove.
+ (eq_stmt_vertex_info): Likewise.
+ (hash_stmt_vertex_del): Likewise.
+ (build_empty_rdg): Simplify.
+ (build_rdg): Adjust.
+ (free_rdg): Likewise.
+ (ref_base_address): Remove.
+ (have_similar_memory_accesses): Likewise.
+ * tree-data-ref.h (create_rdg_vertices): Remove.
+ (struct rdg_vertex): Add datarefs member.
+ (RDGV_DATAREFS): New define.
+ (RDG_DATAREFS): Likewise.
+ (have_similar_memory_accesses): Remove.
+ (rdg_has_similar_memory_accesses): Likewise.
+ * tree-loop-distribution.c (ref_base_address): Re-implement here.
+ (similar_memory_accesses): Re-implement using existing data-references.
+ (tree_loop_distribution): Initialize stmt uids for the stmt to
+ RDG index mapping.
+ * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
+ access stmt vinfo for stmts in loop.
+
+2012-06-04 Andreas Schwab <schwab@linux-m68k.org>
+
+ PR target/53461
+ * config/m68k/m68k.md ("tablejump"): Fix check for
+ CASE_VECTOR_PC_RELATIVE.
+
+2012-06-04 Steven Bosscher <steven@gcc.gnu.org>
+
+ * output.h (merge_weak, assemble_alias,
+ initializer_constant_valid_p,
+ initializer_constant_valid_for_bitfield_p): Move protos from here...
+ * tree.h: ... to here.
+ * cgraphclones.c: Do not include output.h.
+ * gimplify.c: Likewise.
+ * reload.c: Likewise.
+ * recog.c: Likewise.
+ * tree-ssa-loop-ivopts.c: Likewise.
+ * tree-switch-conversion.c: Likewise.
+ * c-parser.c: Likewise.
+ * c-typeck.c: Likewise.
+ * Makefile.in: Fix dependencies.
+
+2012-06-04 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/46261
+ * config/avr/avr-stdint.h: New file.
+ * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
+ newlib-stdint.h
+
+2012-06-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53550
+ * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
+ is POINTER_TYPE_P, use sizetype as step type instead of type.
+
+2012-06-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-data-ref.c (have_similar_memory_accesses_1): Remove.
+ (ref_base_address_1): Likewise.
+ (remove_similar_memory_refs): Likewise.
+ * tree-data-ref.h (remove_similar_memory_refs): Remove.
+ * tree-loop-distribution.c (classify_partition): Do not classify
+ as builtin if -ftree-loop-distribute-patterns is not enabled.
+ (fuse_partitions_with_similar_memory_accesses): Inline ...
+ (ldist_gen): ... here. Fuse all non-builtin partitions if
+ -ftree-loop-distribution is not enabled. Properly return
+ the number of created partitions. Do not update SSA form here but ...
+ (tree_loop_distribution): ... once here for the whole function.
+ Only walk innermost loops, constrain loops we consider here
+ further. Do not call remove_similar_memory_refs.
+ (distribute_loop): Do not check number of loop nodes here.
+
+2012-06-04 Steven Bosscher <steven@gcc.gnu.org>
+
+ * Makefile.in (GIMPLE_H): Do not depend on TARGET_H.
+
+2012-06-03 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-prop.h (ipa_get_jf_known_type_offset): New function.
+ (ipa_get_jf_known_type_base_type): Likewise.
+ (ipa_get_jf_known_type_component_type): Likewise.
+ (ipa_get_jf_constant): Likewise.
+ (ipa_get_jf_pass_through_formal_id): Likewise.
+ (ipa_get_jf_pass_through_operation): Likewise.
+ (ipa_get_jf_ancestor_offset): Likewise.
+ (ipa_get_jf_ancestor_type): Likewise.
+ (ipa_get_jf_ancestor_formal_id): Likewise.
+ (ipa_get_jf_member_ptr_pfn): Likewise.
+ * ipa-prop.c (ipa_set_jf_known_type): New function.
+ (ipa_set_jf_constant): Likewise.
+ (ipa_set_jf_simple_pass_through): Likewise.
+ (ipa_set_jf_arith_pass_through): Likewise.
+ (ipa_set_ancestor_jf): Likewise.
+ (fill_member_ptr_cst_jump_function): Moved up and renamed to
+ ipa_set_jf_member_ptr_cst.
+ (detect_type_change_1): Use the new jump function creation functions.
+ (compute_complex_assign_jump_func): Likewise.
+ (compute_complex_ancestor_jump_func): Likewise.
+ (compute_known_type_jump_func): Likewise.
+ (compute_scalar_jump_functions): Likewise.
+ (compute_pass_through_member_ptrs): Likewise.
+ (determine_cst_member_ptr): Likewise.
+ (combine_known_type_and_ancestor_jfs): Likewise.
+ (try_make_edge_direct_simple_call): Likewise.
+ (try_make_edge_direct_virtual_call): Likewise.
+ (update_indirect_edges_after_inlining): Likewise.
+ * ipa-cp.c (ipa_get_jf_pass_through_result): Use jump function
+ access functions. Incorporat NOP_EXPR and BINFO handling from its
+ callers.
+ (ipa_get_jf_ancestor_result): Likewise. Incorporate handling BINFOs
+ which was in its callers.
+ (ipa_value_from_jfunc): Use jump function access functions. Some
+ functionality moved to functions above.
+ (propagate_vals_accross_ancestor): Likewise.
+ (propagate_vals_accross_pass_through): Use jump function access
+ functions.
+ (propagate_accross_jump_function): Likewise.
+ * ipa-inline-analysis.c (remap_edge_change_prob): Use jump function
+ access functions.
+ (inline_merge_summary): Likewise.
+
+2012-06-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
+ * config/pa/pa.c (pa_attr_length_millicode_call): Use
+ MAX_PCREL17F_OFFSET instead of fixed offset.
+ (pa_attr_length_call): Likewise.
+ (pa_attr_length_indirect_call): Likewise.
+
+2012-06-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53512
+ * config/sh/sh.opt (mfsca, mfsrra): New options.
+ * config/sh/sh.md (rsqrtsf2): Use TARGET_FPU_ANY and TARGET_FSRRA
+ condition.
+ (fsca): Use TARGET_FPU_ANY and TARGET_FSCA condition.
+ (sinssf2, cossf2): Fold expanders to ...
+ (sincossf3): ... this new expander. Use TARGET_FPU_ANY and
+ TARGET_FSCA condition.
+ * config/sh/sh.c (sh_option_override): Handle TARGET_FSRRA and
+ TARGET_FSCA.
+ * doc/invoke.texi (SH Options): Add descriptions for -mfsca,
+ -mno-fsca, -mfsrra, -mno-fsrra.
+
+2012-06-03 Matt Turner <mattst88@gmail.com>
+
+ * config/mips/4600.md (r4700_imul_si): New.
+ (r4700_imul_di): New.
+ (r4700_fmul_single): New.
+ (r4700_fmul_double): New.
+ * config/mips/mips-cpus.def: Add r4700.
+ * config/mips/mips.c: Likewise.
+ * config/mips/mips.md: Likewise.
+ * config/mips/mips-tables.opt: Regenerate.
+
+2012-06-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Split out to
+ new function sparc_initial_elimination_offset.
+ * config/sparc/sparc.c (sparc_initial_elimination_offset): New
+ function.
+ * config/sparc/sparc-protos.h (sparc_initial_elimination_offset):
+ Prototype it.
+
+2012-06-02 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * expmed.c (expand_mult, choose_multiplier): Change
+ "2 * HOST_BITS_PER_WIDE_INT" to "HOST_BITS_PER_DOUBLE_INT".
+ * expr.c (convert_modes): Likewise.
+ * explow.c (plus_constant): Likewise.
+ * fixed-value.c (fixed_saturate1, fixed_saturate2)
+ (do_fixed_add, do_fixed_multiply, do_fixed_multiply)
+ (do_fixed_multiply, do_fixed_multiply, do_fixed_divide)
+ (do_fixed_divide, do_fixed_divide, do_fixed_divide)
+ (do_fixed_divide, do_fixed_divide, do_fixed_shift, do_fixed_shift)
+ (do_fixed_shift, fixed_convert, fixed_convert)
+ (fixed_convert_from_int, fixed_convert_from_int)
+ (fixed_convert_from_real): Likewise.
+ * fold-const.c (fold_convert_const_int_from_fixed, sign_bit_p)
+ (native_interpret_int, fold_binary_loc, fold_ternary_loc): Likewise.
+ * varasm.c (output_constructor_bitfield): Likewise.
+ * tree-vrp.c (register_edge_assert_for_2): Likewise.
+ * double-int.c (rshift_double, lshift_double): Likewise.
+ * double-int.h (double_int_fits_in_uhwi_p, double_int, double_int):
+ Likewise.
+ * simplify-rtx.c (mode_signbit_p)
+ (simplify_const_unary_operation, simplify_binary_operation_1)
+ (simplify_immed_subreg): Likewise.
+ * builtins.c (c_readstr, fold_builtin_bitop): Likewise.
+ * tree-vect-generic.c (build_replicated_const): Likewise.
+ * dbxout.c (stabstr_O): Likewise.
+ * emit-rtl.c (immed_double_int_const, immed_double_const)
+ (gen_lowpart_common, init_emit_once): Likewise.
+ * tree.c (integer_pow2p, tree_log2, tree_floor_log2)
+ (widest_int_cst_value, upper_bound_in_type): Likewise.
+ * stor-layout.c (initialize_sizetypes, fixup_signed_type)
+ (fixup_unsigned_type): Likewise.
+ * real.c (real_to_integer2, real_from_integer): Likewise.
+ * dwarf2out.c (size_of_loc_descr, size_of_die, output_die)
+ (clz_loc_descriptor, mem_loc_descriptor): Likewise.
+
+2012-06-01 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/53501
+ * fold-const.c (fold_binary_loc): Refine previous change.
+
+2012-06-01 Olivier Hainque <hainque@adacore.com>
+
+ * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Restore
+ the "do {" part of the do-while(0) loop.
+
+2012-06-01 Yuri Rumyantsev <yuri.s.rumyantsev@intel.com>
+
+ * config/i386/i386.c (x86_sched_reorder): New function.
+ Added new function x86_sched_reorder.
+
+2012-06-01 Richard Guenther <rguenther@suse.de>
+
+ * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
+ Handle PHIs.
+ (classify_partition): Likewise.
+
+2012-06-01 Richard Guenther <rguenther@suse.de>
+
+ * tree-loop-distribution.c (enum partition_kind): New enum.
+ (struct partition_s): Add kind and main_stmt members.
+ (partition_alloc): Initialize kind to PKIND_NORMAL.
+ (partition_builtin_p): New function.
+ (copy_loop_before): Remove failure path and assert instead.
+ (generate_loops_for_partition): Likewise.
+ (generate_memset_zero): Fold into ...
+ (generate_memset_builtin): ... this.
+ (classify_partition): New function with code from
+ can_generate_builtin and generate_builtin.
+ (generate_builtin): Remove.
+ (can_generate_builtin): Likewise.
+ (fuse_partitions_with_similar_memory_accesses): Call
+ partition_builtin_p instead of can_generate_builtin.
+ (rdg_build_partitions): Do not call
+ fuse_partitions_with_similar_memory_accesses here...
+ (ldist_gen): ... but here after classifying all partitions.
+ Remove failure path of generate_code_for_partition.
+ (generate_code_for_partition): Generate code according
+ to partition classification.
+
+2012-06-01 Manuel López-Ibáñez <manu@gcc.gnu.org>
+ Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ PR c++/50134
+ * doc/invoke.texi (Warning Options): Explain purpose and differences
+ between -Wmissing-prototypes and -Wmissing-declarations.
+
+2012-06-01 Christian Bruel <christian.bruel@st.com>
+
+ * gcc.c (save_switch): Add user_p parameter.
+ (read_specs): Likewise.
+ (set_specs): Likewise.
+ (validate_switches): Likewise.
+ (validate_switches_from_spec): Likewise.
+ (validate_all_switches): Pass on user_p parameter.
+ (struct spec_list): Add user_p field.
+ (struct switchstr): Add known field.
+ (save_switch): Add known parameter.
+ (INIT_STATIC_SPEC): Initialize user_p;
+ (driver_unknown_option_callbac): call save_switch if
+ OPT_SPECIAL_unknown.
+ (driver_handle_option): Propagate OPT_specs.
+ (do_spec_1): Set validated only if known.
+ (check_live_switch): Likewise.
+ (validate_switches): Set validated if known or user_spec.
+
+2012-06-01 Hans-Peter Nilsson <hp@axis.com>
+
+ Add CRIS atomic patterns for 1, 2, and 4 bytes.
+ * config/cris/cris.c (cris_emit_trap_for_misalignment): New function.
+ * config/cris/cris-protos.h: Declare it.
+ * config/cris/cris.h [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 32]
+ (TARGET_DEFAULT): Add alignment by 32.
+ [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 10] (TARGET_DEFAULT): New
+ case, as TARGET_CPU_DEFAULT == 0 but with alignment as for
+ TARGET_CPU_DEFAULT == 32.
+ (TARGET_TRAP_UNALIGNED_ATOMIC): New macro.
+ * config/cris/cris.md: Include sync.md. Avoid allocating specific
+ numbers by replacing the define_constants for all UNSPECs with the
+ equivalent define_c_enum construct.
+ * config/cris/cris.opt (mtrap-unaligned-atomic): New option.
+ * config/cris/sync.md: New file.
+
+2012-05-31 Matt Turner <mattst88@gmail.com>
+
+ * config/mips/4600.md (r4600_imul_si): Rename from r4600_imul.
+ (r4600_imul_di): New.
+ (r4600_idiv_si): Rename from r4600_idiv.
+ (r4600_idiv_di): New.
+
+2012-05-31 Steven Bosscher <steven@gcc.gnu.org>
+
+ * output.h (__gcc_host_wide_int__): Move to hwint.h.
+ (decl_default_tls_model): Move to tree.h
+ (dump_file): Move to system.h.
+ (default_stabs_asm_out_destructor, default_stabs_asm_out_constructor,
+ dbxout_int, dbxout_stabd, dbxout_begin_stabn, dbxout_begin_stabn_sline,
+ dbxout_begin_empty_stabs, dbxout_begin_simple_stabs,
+ dbxout_begin_simple_stabs_desc, dbxout_stab_value_zero,
+ dbxout_stab_value_zero, dbxout_stab_value_label_diff,
+ dbxout_stab_value_internal_label,
+ dbxout_stab_value_internal_label_diff): Move from here ...
+ * dbxout.h: ... to here.
+ * system.h (dump_file): Moved here from output.h.
+ * hwint.h (__gcc_host_wide_int__): Moved here from output.h.
+ * tree.h (decl_default_tls_model): Moved here from output.h.
+ * varasm.c (default_stabs_asm_out_destructor,
+ default_stabs_asm_out_constructor): Move from here ...
+ * dbxout.c: ... to here.
+
+ * gcov-dump.c (dump_file): Rename to dump_gcov_file. Update callers.
+
+ * collect2.h (dump_file): Rename to dump_ld_file.
+ * collect2.c: Likewise.
+ * tlink.c: Likewise.
+
+ * alias.c: Do not include output.h.
+ * auto-inc-dec.c: Likewise.
+ * bt-load.c: Likewise.
+ * caller-save.c: Likewise.
+ * cfg.c: Likewise.
+ * cfgbuild.c: Likewise.
+ * cfgcleanup.c: Likewise.
+ * cfglayout.c: Likewise.
+ * cfgloop.c: Likewise.
+ * cfgloopanal.c: Likewise.
+ * cfgloopmanip.c: Likewise.
+ * cfgrtl.c: Likewise.
+ * cgraph.c: Likewise.
+ * cgraphclones.c: Likewise.
+ * combine-stack-adj.c: Likewise.
+ * combine.c: Likewise.
+ * cprop.c: Likewise.
+ * cse.c: Likewise.
+ * cselib.c: Likewise.
+ * dbgcnt.c: Likewise.
+ * df-problems.c: Likewise.
+ * df-scan.c: Likewise.
+ * dojump.c: Likewise.
+ * fwprop.c: Likewise.
+ * gcse.c: Likewise.
+ * graph.c: Likewise.
+ * haifa-sched.c: Likewise.
+ * hw-doloop.c: Likewise.
+ * ipa-inline-transform.c: Likewise.
+ * ipa-pure-const.c: Likewise.
+ * ipa-reference.c: Likewise.
+ * ipa-utils.c: Likewise.
+ * ira-build.c: Likewise.
+ * ira-emit.c: Likewise.
+ * lcm.c: Likewise.
+ * loop-doloop.c: Likewise.
+ * loop-invariant.c: Likewise.
+ * loop-iv.c: Likewise.
+ * loop-unroll.c: Likewise.
+ * loop-unswitch.c: Likewise.
+ * lto-cgraph.c: Likewise.
+ * lto-section-in.c: Likewise.
+ * lto-streamer-in.c: Likewise.
+ * mcf.c: Likewise.
+ * mode-switching.c: Likewise.
+ * postreload-gcse.c: Likewise.
+ * postreload.c: Likewise.
+ * predict.c: Likewise.
+ * profile.c: Likewise.
+ * ree.c: Likewise.
+ * reg-stack.c: Likewise.
+ * regcprop.c: Likewise.
+ * regmove.c: Likewise.
+ * regstat.c: Likewise.
+ * reload1.c: Likewise.
+ * sched-ebb.c: Likewise.
+ * sel-sched-dump.c: Likewise.
+ * simplify-rtx.c: Likewise.
+ * stor-layout.c: Likewise.
+ * store-motion.c: Likewise.
+ * tracer.c: Likewise.
+ * tree-affine.c: Likewise.
+ * tree-cfg.c: Likewise.
+ * tree-cfgcleanup.c: Likewise.
+ * tree-dfa.c: Likewise.
+ * tree-into-ssa.c: Likewise.
+ * tree-nomudflap.c: Likewise.
+ * tree-optimize.c: Likewise.
+ * tree-pretty-print.c: Likewise.
+ * tree-profile.c: Likewise.
+ * tree-ssa-address.c: Likewise.
+ * tree-ssa-ccp.c: Likewise.
+ * tree-ssa-copy.c: Likewise.
+ * tree-ssa-dom.c: Likewise.
+ * tree-ssa-loop-ch.c: Likewise.
+ * tree-ssa-loop-im.c: Likewise.
+ * tree-ssa-loop-manip.c: Likewise.
+ * tree-ssa-loop-niter.c: Likewise.
+ * tree-ssa-loop-prefetch.c: Likewise.
+ * tree-ssa-loop-unswitch.c: Likewise.
+ * tree-ssa-loop.c: Likewise.
+ * tree-ssa-propagate.c: Likewise.
+ * tree-ssa-structalias.c: Likewise.
+ * tree-ssa-tail-merge.c: Likewise.
+ * tree-ssa-threadedge.c: Likewise.
+ * tree-ssa-threadupdate.c: Likewise.
+ * tree-ssa-uncprop.c: Likewise.
+ * tree-ssa-uninit.c: Likewise.
+ * tree-ssa.c: Likewise.
+ * value-prof.c: Likewise.
+ * var-tracking.c: Likewise.
+ * web.c: Likewise.
+
+ * config/m32r/m32r.c: Include dbxout.h.
+ * config/pa/pa.c: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+
+ * Makefile.in: Fix dependencies.
+ * config/rs6000/t-rs5000: Likewise.
+
+2012-05-31 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
+ * gimple.h (block_in_transaction): Check for flag_tm.
+
+2012-05-31 Aldy Hernandez <aldyh@redhat.com>
+
+ PR tree-optimization/52558
+ * cfg.c (alloc_aux_for_edge): Fix comment.
+ (alloc_aux_for_edge): Remove static.
+ * basic-block.h (alloc_aux_for_edge): Protoize.
+ * tree-ssa-loop-im.c (execute_sm_if_changed): New.
+ (execute_sm_if_changed_flag): New.
+ (execute_sm_if_changed_flag_set): New.
+ (execute_sm): Do not generate data races unless requested.
+ (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
+ (tree_ssa_lim_finalize): Call free_aux_for_edges.
+ * gimple.h (block_in_transaction): New.
+ (gimple_in_transaction): Use block_in_transaction.
+
+2012-05-31 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/51345
+ * config/avr/avr.opt (-msp8): Document it.
+ * doc/invoke.texi (AVR Options): Ditto. And document related
+ built-in macros.
+
+2012-05-31 Diego Novillo <dnovillo@google.com>
+
+ * configure.ac (CXX_FOR_BUILD): Define and substitute.
+ (BUILD_CXXFLAGS): Define and substitute.
+ * Makefile.in (BUILD_CXXFLAGS): Define.
+ (CXX_FOR_BUILD): Define.
+ (COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
+ (LINKER_FOR_BUILD): Likewise.
+ (BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
+ (BUILD_LINKERFLAGS): Likewise.
+ * configure: Regenerate.
+
+2012-05-31 Steven Bosscher <steven@gcc.gnu.org>
+
+ * Makefile.in: Fix many dependencies.
+ * tree-profile.c: Don't include regs.h.
+ * tree-vectorizer.c: Don't include cfglayout.h.
+ * tree-vect-stmts.c: Likewise.
+ * tree-vect-slp.c: Likewise.
+ * tree-vect-loop.c: Likewise.
+ * reg-stack.c: Likewise.
+ * tree-ssa-loop-manip.c: Likewise.
+ * toplev.c: Likewise.
+ * varasm.c: Don't include cfglayout.h, basic-block.h,
+ and tree-iterator.h.
+ * tree-cfgcleanup.c: Don't include cfglayout.h.
+ * passes.c: Don't include cfglayout.h, dwarf2asm.h,
+ dwarf2out.h, dbxout.h, sdbout.h, and xcoffout.h.
+ * cgraphclones.c: Don't include plugin.h.
+
+2012-05-31 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/t-avr: Correct avr-mmcu.texi dependencies.
+ (s-avr-mmcu-texi): Don't sed on gen-avr-mmcu-texi output.
+ * doc/avr-mmcu.texi (svn:eol-style): Set to native.
+
+2012-05-31 Richard Guenther <rguenther@suse.de>
+
+ * tree-loop-distribution.c (struct partition_s): New struct,
+ typedef and vector type.
+ (partition_alloc, partition_free): New functions.
+ (generate_loops_for_partition, generate_builtin,
+ generate_code_for_partition, rdg_flag_uses, rdg_flag_vertex,
+ rdg_flag_vertex_and_dependent, rdg_flag_loop_exits,
+ build_rdg_partition_for_component, can_generate_builtin,
+ similar_memory_accesses, fuse_partitions_with_similar_memory_accesses,
+ rdg_build_partitions, dump_rdg_partitions, debug_rdg_partitions,
+ number_of_rw_in_partition, partition_contains_all_rw,
+ ldist_gen): Use partition_t instead of bitmap.
+
+2012-05-31 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/gen-avr-mmcu-texi.c: Sort MCUs.
+ * doc/avr-mmcu.texi: Regenerate.
+
+2012-05-31 Richard Guenther <rguenther@suse.de>
+
+ * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
+ Use FOR_EACH_SSA_DEF_OPERAND.
+ (generate_builtin): Adjust.
+ (stmt_generated_in_another_partition): Remove.
+ (add_scalar_computations_to_partition): Likewise.
+ (rdg_build_partitions): Do not call
+ add_scalar_computations_to_partition.
+
+2012-05-31 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-dfa.c (get_ref_base_and_extent): Compute the offset using
+ double ints throughout.
+ * tree-sra.c (build_user_friendly_ref_for_offset) <RECORD_TYPE>:
+ Check that the position of the field is representable as an integer.
+
+2012-05-31 Richard Guenther <rguenther@suse.de>
+
+ * tree-data-ref.c (dr_analyze_innermost): Properly convert
+ the MEM_REF offset to sizetype.
+
+2012-05-31 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/invoke.texi (AVR Options): Fix typos.
+
+2012-05-31 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.h (CC1_SPEC): Pass through all -march=
+ and -mcpu= options.
+ (ASM_SPEC): Ditto, not just -march=v32, but translate non-v10,
+ non-v32 into --march=v0_v10.
+
+2012-05-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira-int.h (target_ira_int): Rename x_move_cost to
+ x_ira_register_move_cost, x_may_move_in_cost to
+ x_ira_may_move_in_cost and x_may_move_out_cost to
+ x_ira_may_move_out_cost. Delete the old fields with
+ those names and also x_ira_max_register_move_cost,
+ x_ira_max_may_move_in_cost and x_ira_max_may_move_out_cost.
+ (move_cost, may_move_in_cost, may_move_out_cost)
+ (ira_max_register_move_cost, ira_max_may_move_in_cost)
+ (ira_max_may_move_out_cost): Delete.
+ * ira.c (init_move_cost): Rename to...
+ (ira_init_register_move_cost): ...this, deleting the old
+ function with that name. Apply above variable renamings.
+ Retain asserts for null fields.
+ (ira_init_once): Don't initialize register move costs here.
+ (free_register_move_costs): Apply above variable renamings.
+ Remove code for deleted fields.
+
+2012-05-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira.c (init_move_cost): Adjust choice of subclasses to match
+ the current ira_init_register_move_cost choice. Use
+ ira_class_subset_p instead of reg_class_subset_p.
+ (ira_init_register_move_cost): Assert that move_cost,
+ may_move_in_cost and may_move_out_cost already hold the desired
+ values for their ira_* equivalents. For the latter two,
+ ignore classes that can't store a register of the given mode.
+
+2012-05-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira.c (setup_allocno_and_important_classes): Use
+ ira_class_hard_regs_num to check whether a class has any
+ allocatable registers.
+ (ira_init_register_move_cost): Likewise.
+
+2012-05-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira.c (init_move_cost): Adjust local variable names to match
+ file conventions. Use ira_assert instead of gcc_assert.
+
+2012-05-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * regs.h (move_table, move_cost, may_move_in_cost, may_move_out_cost):
+ Move these definitions and associated target_globals fields to...
+ * ira-int.h: ...here.
+ * rtl.h (init_move_cost): Delete.
+ * reginfo.c (last_mode_for_init_move_cost, init_move_cost): Move to...
+ * ira.c: ...here, making the latter static.
+
+2012-05-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira-costs.c (copy_cost): Use ira_init_register_move_cost_if_necessary
+ and ira_register_move_cost instead of init_move_cost and move_cost.
+
+2012-05-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira.h (target_ira): Delete x_ira_available_class_regs.
+ (ira_available_class_regs): Delete.
+ * ira.c (setup_available_class_regs): Delete.
+ (setup_alloc_classes): Don't call it.
+ (setup_pressure_classes): Use ira_class_hard_regs_num instead of
+ ira_available_class_regs.
+ * haifa-sched.c (print_curr_reg_pressure, setup_insn_reg_pressure_info)
+ (model_spill_cost): Likewise.
+ * ira-build.c (low_pressure_loop_node_p): Likewise.
+ * ira-color.c (color_pass): Likewise.
+ * ira-emit.c (change_loop): Likewise.
+ * ira-lives.c (inc_register_pressure, dec_register_pressure)
+ (single_reg_class, ira_implicitly_set_insn_hard_regs)
+ (process_bb_node_lives): Likewise.
+ * loop-invariant.c (gain_for_invariant): Likewise.
+
+2012-05-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/52999
+ * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
+ (pa_section_type_flags): New.
+ (pa_legitimate_constant_p): Revert previous change.
+
+2012-05-30 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ira.c (allocate_initial_values): Make static.
+
+2012-05-30 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>:
+ Generate tls_initial_exec_64_sun only when !TARGET_X32.
+
+2012-05-30 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53501
+ * fold-const.c (fold_binary_loc): Make sure to call
+ fold_plusminus_mult_expr with the original sign of operands.
+
+2012-05-30 Steven Bosscher <steven@gcc.gnu.org>
+
+ * Makefile.in: Fix many dependencies.
+ (DWARF2_H): Depend on dwarf2.def.
+ (RTL_ERROR_H): Depend on rtl-error.h.
+ (TREE_PRETTY_PRINT_H, GIMPLE_PRETTY_PRINT_H): New. Replace
+ all gimple-pretty-print.h and tree-pretty-print.h references.
+
+2012-05-30 Marc Glisse <marc.glisse@inria.fr>
+
+ * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
+ concatenations.
+
+2012-05-30 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53522
+ * tree-emutls.c (gen_emutls_addr): Do not add globals to
+ referenced-vars.
+
+2012-05-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ * explow.c (probe_stack_range): Restore simple control flow and stop
+ again when the probe cannot be generated if HAVE_check_stack.
+
+2012-05-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/53519
+ * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
+ instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
+
+2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
+
+2012-05-29 Jack Howarth <howarth@bromo.med.uc.edu>
+
+ PR debug/53453
+ * doc/tm.texi: Update.
+ * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
+ * target.def (force_at_comp_dir): New hook.
+ * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
+ * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.
+
+2012-05-29 Jack Howarth <howarth@bromo.med.uc.edu>
+
+ * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
+ Darwin >= 10.
+ (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
+ (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
+
+2012-05-29 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51340
+ * config/sh/sh.c (sh_option_override): Set TARGET_FMAC if
+ flag_unsafe_math_optimizations is set.
+ * doc/invoke.texi (SH Options): Add -mno-fused-madd description.
+ Update description of -mfused-madd.
+
+2012-05-29 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/52941
+ * config/sh/predicates.md (atomic_arith_operand,
+ atomic_logical_operand): New predicates.
+ * config/sh/sh.c (sh_option_override): Check atomic options.
+ * config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
+ UNSUPPORTED_HARD_ATOMIC_CPU): New macros.
+ (DRIVER_SELF_SPECS): Use UNSUPPORTED_ATOMIC_OPTIONS and
+ UNSUPPORTED_HARD_ATOMIC_CPU.
+ * config/sh/sync.md: Update description comments.
+ (I12): New mode iterator.
+ (fetchop_predicate, fetchop_constraint): New code attributes.
+ (atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
+ atomic_exchangesi_hard, atomic_exchange<mode>_hard,
+ atomic_fetch_<fetchop_name>si_hard,
+ atomic_fetch_<fetchop_name><mode>_hard,
+ atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
+ atomic_<fetchop_name>_fetchsi_hard,
+ atomic_<fetchop_name>_fetch<mode>_hard,
+ atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
+ atomic_test_and_set_hard): New insns.
+ (atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
+ atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
+ atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
+ atomic_test_and_set_soft): Use same formatting for the first line of
+ the asm block as in new insns above.
+ (atomic_compare_and_swap<mode>, atomic_exchange<mode>,
+ atomic_fetch_<fetchop_name><mode>, atomic_<fetchop_name>_fetch<mode>,
+ atomic_test_and_set): Integrate new *_hard insns into expanders.
+ * config/sh/sh.opt (mhard-atomic): New option.
+ * doc/invoke.texi (SH Options): Document it.
+
+2012-05-29 Meador Inge <meadori@codesourcery.com>
+
+ * c-decl.c (c_push_function_context): Always create a new language
+ function.
+ (c_pop_function_context): Clear the language function created in
+ c_push_function_context.
+
+2012-05-29 Matt Turner <mattst88@gmail.com>
+
+ * config/alpha/ev6.md: (define_bypass "ev6_fmul,ev6_fadd"): New.
+ (define_bypass "ev6_fcmov"): New.
+
+2012-05-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * integrate.c: Remove.
+ * integrate.h: Remove.
+ * Makefile.in: Remove make rules for integrate.c and INTEGRATE_H.
+ * config/arm/t-arm: Remove INTEGRATE_H dependency for target files.
+ * config/rs6000/t-rs6000: Likewise
+ * config/spu/t-spu-elf: Likewise.
+ * function.h (get_hard_reg_initial_val, has_hard_reg_initial_val,
+ get_hard_reg_initial_reg, emit_initial_value_sets): Move prototypes
+ from integrate.h to here.
+ (initial_value_entry): New prototype.
+ * reload.h (allocate_initial_values): Remove prototype.
+ * tree.h (set_decl_abstract_flags, set_decl_origin_self): Likewise.
+ * cse.c (fixed_base_plus_p): Don't handle virtual registers for
+ integrate.c.
+ * dwarf2out.c (set_decl_origin_self, set_block_origin_self,
+ set_decl_abstract_flags, set_block_abstract_flags): Move from
+ integrate.c to here, the only user.
+ * expmed.c (extract_fixed_bit_field): Remove outdated comment
+ about integrate.c.
+ * function.c: Don't include integrate.h.
+ (struct initial_value_pair, struct initial_value_struct,
+ get_hard_reg_initial_val, has_hard_reg_initial_val,
+ get_hard_reg_initial_reg, emit_initial_value_sets): Move from
+ integrate.c to here.
+ (initial_value_entry): New function.
+ * genemit.c (main): Don't print integrate.h include line.
+ * ira.c: Don't include integrate.h.
+ (allocate_initial_values): Move from integrate.c to here.
+ (ira): Update allocate_initial_values call.
+ * tree-inline.c: Don't include integrate.h.
+ (function_attribute_inlinable_p): Moved from integrate.c to here.
+ * cfgexpand.c: Don't include integrate.h.
+ * except.c: Likewise.
+ * langhooks.c: Likewise.
+ * passes.c: Likewise.
+ * toplev.c: Likewise.
+ * config/frv/frv.c: Likewise.
+ * config/pa/pa.c: Likewise.
+ * config/spu/spu.c: Likewise.
+ * config/epiphany/epiphany.c: Likewise.
+ * config/mep/mep.c: Likewise.
+ * config/score/score.c: Likewise.
+ * config/picochip/picochip.c: Likewise.
+ * config/sh/sh.c: Likewise.
+ * config/alpha/alpha.c: Likewise.
+ * config/microblaze/microblaze.c: Likewise.
+ * config/mips/mips.c: Likewise.
+ * config/v850/v850.c: Likewise.
+ * config/mmix/mmix.c: Likewise.
+ * config/bfin/bfin.c: Likewise.
+ * config/arm/arm.c: Likewise.
+ * config/s390/s390.c: Likewise.
+ * config/m32r/m32r.c: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+ * config/c6x/c6x.c: Include function.h instead of integrate.h.
+ * config/tilegx/tilegx.c: Likewise.
+ * config/tilepro/tilepro.c: Likewise.
+
+2012-05-29 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/t-avr (s-avr-mmcu-texi): Call
+ gen-avr-mmcu-texi$(build_exeext) via ./ and don't assume . is in PATH.
+
+2012-05-29 Michael Matz <matz@suse.de>
+
+ * rtl.h (assign_stack_temp, assign_stack_temp_for_type,
+ assign_temp): Remove 'keep' argument.
+ (mark_temp_addr_taken): Remove prototype.
+ * tree.h (expand_decl): Remove prototype.
+ * function.c (struct temp_slot): Remove addr_taken and keep member.
+ (assign_stack_temp_for_type) Don't initialize above, remove
+ keep argument.
+ (assign_stack_temp, assign_temp): Remove keep argument.
+ (mark_temp_addr_taken): Remove.
+ (preserve_temp_slots): Remove handling of addr_taken and keep members.
+ (free_temp_slots): Ditto.
+ * expr.c (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Remove
+ dead code.
+ * stmt.c (expand_asm_operands): Remove dead code.
+ (expand_decl): Remove.
+ * c-decl.c (finish_struct): Don't call expand_decl.
+ * builtins.c (expand_builtin_cexpi): Adjust calls to assign_temp
+ and assign_stack_temp.
+ * calls.c (save_fixed_argument_area, initialize_argument_information,
+ expand_call, emit_library_call_value_1, store_one_arg): Ditto.
+ * expmed.c (extract_bit_field_1): Ditto.
+ * expr.c (emit_group_load_1, emit_group_store,
+ copy_blkmode_from_reg, emit_push_insn, expand_assignment,
+ store_field, expand_constructor, expand_cond_expr_using_cmove,
+ expand_expr_real_2, expand_expr_real_1): Ditto.
+ * stmt.c (expand_asm_operands, expand_return): Ditto.
+
+ * function.c (pop_temp_slots): Call free_temp_slots.
+ * calls.c (store_one_arg): Don't call preserve_temp_slots or
+ free_temp_slots.
+ * expr.c (expand_assignment): Don't call free_temp_slots.
+
+ * config/arm/arm.c (neon_expand_vector_init): Ditto.
+ * config/i386/i386.c (ix86_expand_vector_set): Ditto.
+ (ix86_expand_vector_extract): Ditto.
+ * config/ia64/ia64.c (spill_xfmode_rfmode_operand,
+ ia64_expand_movxf_movrf): Ditto.
+ * config/mips/mips.c (mips_expand_vi_general): Ditto.
+ * config/mmix/mmix.md (floatdisf2, floatunsdisf2, truncdfsf2,
+ extendsfdf2): Ditto.
+ * config/rs6000/rs6000.c (rs6000_expand_vector_init,
+ rs6000_expand_vector_set, rs6000_expand_vector_extract,
+ rs6000_allocate_stack_temp): Ditto.
+ * config/rs6000/rs6000.md (fix_trunctfsi2_fprs): Ditto.
+ * config/sparc/sparc.c (emit_soft_tfmode_libcall,
+ sparc_emit_float_lib_cmp, sparc_emit_float_lib_cmp,
+ sparc_expand_vector_init): Ditto.
+
+2012-05-29 Michael Matz <matz@suse.de>
+
+ * c-tree.h (c_expand_decl): Remove prototype.
+
+ * expr.c (expand_expr_real_1 <normal_inner_ref>): Don't allocate
+ a kept temp.
+ (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Make unreachable.
+ * gimple-fold.c (canonicalize_constructor_val): Canonicalize
+ COMPOUND_LITERAL_EXPR.
+ * function.c (expand_function_start): Don't call expand_decl,
+ instead assert that we have RTL assigned.
+ * tree-ssa-live.c (remove_unused_locals): Clear
+ nonlocal_goto_save_area if its backing variable is removed.
+ * stmt.c (expand_asm_operands): Remove handling of non-lvalues
+ as mem inputs.
+ (expand_decl): Assert that this does nothing.
+ * calls.c (expand_call): Don't call mark_temp_addr_taken.
+
+2012-05-29 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53516
+ * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
+ bitfield accesses.
+ * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
+
+2012-05-29 Joseph Myers <joseph@codesourcery.com>
+
+ * LANGUAGES: Fix typos.
+ * Makefile.in: Fix typos.
+ * alias.c: Fix typos.
+ * auto-inc-dec.c: Fix typos.
+ * bb-reorder.c: Fix typos.
+ * cfgcleanup.c: Fix typos.
+ * cgraph.c: Fix typos.
+ * cgraph.h: Fix typos.
+ * cgraphunit.c: Fix typos.
+ * collect2-aix.h: Fix typos.
+ * collect2.c: Fix typos.
+ * compare-elim.c: Fix typos.
+ * config/alpha/vms.h: Fix typos.
+ * config/arm/README-interworking: Fix typos.
+ * config/arm/arm.c: Fix typos.
+ * config/arm/iterators.md: Fix typos.
+ * config/arm/vxworks.h: Fix typos.
+ * config/avr/avr.c: Fix typos.
+ * config/avr/avr.h: Fix typos.
+ * config/avr/avr.md: Fix typos.
+ * config/avr/builtins.def: Fix typos.
+ * config/c6x/c6x.c: Fix typos.
+ * config/cr16/cr16.c: Fix typos.
+ * config/cr16/cr16.md: Fix typos.
+ * config/cris/cris.md: Fix typos.
+ * config/darwin.c: Fix typos.
+ * config/darwin.opt: Fix typos.
+ * config/i386/i386-c.c: Fix typos.
+ * config/i386/i386.c: Fix typos.
+ * config/ia64/ia64.c: Fix typos.
+ * config/m68k/cf.md: Fix typos.
+ * config/mep/mep.c: Fix typos.
+ * config/microblaze/microblaze.c: Fix typos.
+ * config/microblaze/microblaze.h: Fix typos.
+ * config/mn10300/mn10300.c: Fix typos.
+ * config/mn10300/mn10300.md: Fix typos.
+ * config/pa/pa.c: Fix typos.
+ * config/picochip/picochip.h: Fix typos.
+ * config/rs6000/a2.md: Fix typos.
+ * config/rs6000/rs6000.c: Fix typos.
+ * config/rs6000/vector.md: Fix typos.
+ * config/rx/rx.md: Fix typos.
+ * config/rx/rx.opt: Fix typos.
+ * config/s390/2097.md: Fix typos.
+ * config/s390/s390.c: Fix typos.
+ * config/s390/s390.h: Fix typos.
+ * config/sh/sh.c: Fix typos.
+ * config/sh/sh.md: Fix typos.
+ * config/sparc/sync.md: Fix typos.
+ * config/spu/spu.c: Fix typos.
+ * config/spu/spu.md: Fix typos.
+ * config/vms/vms.c: Fix typos.
+ * config/vxworks-dummy.h: Fix typos.
+ * config/vxworks.h: Fix typos.
+ * cselib.c: Fix typos.
+ * df-scan.c: Fix typos.
+ * df.h: Fix typos.
+ * doc/extend.texi: Fix typos.
+ * doc/install.texi: Fix typos.
+ * doc/invoke.texi: Fix typos.
+ * doc/md.texi: Fix typos.
+ * doc/plugins.texi: Fix typos.
+ * doc/rtl.texi: Fix typos.
+ * dse.c: Fix typos.
+ * dwarf2asm.c: Fix typos.
+ * dwarf2out.c: Fix typos.
+ * except.h: Fix typos.
+ * expr.c: Fix typos.
+ * fold-const.c: Fix typos.
+ * gcc.c: Fix typos.
+ * gcse.c: Fix typos.
+ * genautomata.c: Fix typos.
+ * gengtype-state.c: Fix typos.
+ * gengtype.c: Fix typos.
+ * genhooks.c: Fix typos.
+ * gimple-fold.c: Fix typos.
+ * gimple-pretty-print.c: Fix typos.
+ * gimple.c: Fix typos.
+ * gimple.h: Fix typos.
+ * gimplify.c: Fix typos.
+ * graphite-interchange.c: Fix typos.
+ * graphite-sese-to-poly.c: Fix typos.
+ * ifcvt.c: Fix typos.
+ * input.c: Fix typos.
+ * ipa-cp.c: Fix typos.
+ * ipa-inline-analysis.c: Fix typos.
+ * ipa-inline-transform.c: Fix typos.
+ * ipa-inline.c: Fix typos.
+ * ipa-pure-const.c: Fix typos.
+ * ipa-ref.h: Fix typos.
+ * ipa-reference.c: Fix typos.
+ * ipa-utils.c: Fix typos.
+ * ipa.c: Fix typos.
+ * ira-emit.c: Fix typos.
+ * ira-lives.c: Fix typos.
+ * lto-streamer.c: Fix typos.
+ * lto-streamer.h: Fix typos.
+ * lto-wrapper.c: Fix typos.
+ * mcf.c: Fix typos.
+ * mode-switching.c: Fix typos.
+ * modulo-sched.c: Fix typos.
+ * plugin.c: Fix typos.
+ * postreload.c: Fix typos.
+ * sched-deps.c: Fix typos.
+ * sel-sched-ir.c: Fix typos.
+ * sel-sched-ir.h: Fix typos.
+ * sel-sched.c: Fix typos.
+ * sese.c: Fix typos.
+ * stor-layout.c: Fix typos.
+ * target-hooks-macros.h: Fix typos.
+ * target.def: Fix typos.
+ * trans-mem.c: Fix typos.
+ * tree-eh.c: Fix typos.
+ * tree-predcom.c: Fix typos.
+ * tree-sra.c: Fix typos.
+ * tree-ssa-address.c: Fix typos.
+ * tree-ssa-loop-ivopts.c: Fix typos.
+ * tree-ssa-loop-niter.c: Fix typos.
+ * tree-ssa-math-opts.c: Fix typos.
+ * tree-ssa-pre.c: Fix typos.
+ * tree-ssa-propagate.c: Fix typos.
+ * tree-ssa-reassoc.c: Fix typos.
+ * tree-ssa-sccvn.c: Fix typos.
+ * tree-ssa-ter.c: Fix typos.
+ * tree-ssa-uninit.c: Fix typos.
+ * tree-ssanames.c: Fix typos.
+ * tree-vect-generic.c: Fix typos.
+ * tree-vect-slp.c: Fix typos.
+ * tree.c: Fix typos.
+ * tree.h: Fix typos.
+ * varasm.c: Fix typos.
+ * varpool.c: Fix typos.
+
+2012-05-29 Joseph Myers <joseph@codesourcery.com>
+
+ * doc/include/texinfo.tex: Update to version 2012-05-16.16.
+
+2012-05-29 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (find_vars_r): Do not call add_referenced_vars
+ for globals.
+ (add_referenced_var_1): Re-organize. Assert we are not
+ called for globals.
+ (remove_referenced_var): Likewise.
+ * varpool.c (add_new_static_var): Use create_tmp_var_raw.
+ * tree-mudflap.c (execute_mudflap_function_ops): Do not
+ call add_referenced_var on globals.
+ * matrix-reorg.c (transform_access_sites): Likewise.
+
+2012-05-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * alias.c (reg_known_value): Make this a VEC.
+ (reg_known_equiv_p): Make this an sbitmap.
+ (reg_known_value_size): Remove.
+ (get_reg_known_value, set_reg_known_value, get_reg_known_equiv_p,
+ set_reg_known_equiv_p): Update for reg_known_value and
+ reg_known_value_size data structure change.
+ (init_alias_analysis, end_alias_analysis): Likewise.
+
+2012-05-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/53510
+ * input.c (read_line): Use XRESIZEVEC instead of XNEWVEC
+ to avoid leaking memory. No need to handle memory allocation
+ failure. Double string_len on each reallocation instead of adding 2.
+ * gcov.c (read_line): Likewise.
+
+2012-05-29 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.h (TARGET_HAS_BREAK, TARGET_TRAP_USING_BREAK8):
+ New macros.
+ * config/cris/cris.md ("trap"): Define, enabled for
+ TARGET_TRAP_USING_BREAK8.
+ * config/cris/cris.opt (mtrap-using-break8): New option.
+
+2012-05-28 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/25137
+ * doc/invoke.texi: Document -Wmissing-braces not enabled by -Wall
+ for C++.
+
+2012-05-28 Hans-Peter Nilsson <hp@axis.com>
+
+ * doc/md.texi (stack_protect_test): Remove negation of branch to label.
+ (Standard Names): Fix typos in documentation of atomic patterns.
+
+2012-05-27 Nathan Sidwell <nathan@acm.org>
+
+ * tree.c (build_constructor): Propagate TREE_SIDE_EFFECTS.
+
+2012-05-26 Jason Merrill <jason@redhat.com>
+
+ PR c++/53220
+ * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
+ about array compound literals.
+
+2012-05-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * cfgcleanup.c (try_optimize_cfg): Do not delete forwarder blocks
+ if CLEANUP_NO_INSN_DEL.
+ * cfgrtl.c (unique_locus_on_edge_between_p): New function extracted
+ from cfg_layout_merge_blocks.
+ (emit_nop_for_unique_locus_between): New function.
+ (rtl_merge_blocks): Invoke emit_nop_for_unique_locus_between.
+ (cfg_layout_merge_blocks): Likewise.
+
+2012-05-26 Dimitrios Apostolou <jimis@gmx.net>
+ Paolo Bonzini <bonzini@gnu.org>
+
+ * df-scan.c (df_def_record_1): Assert a parallel must contain an
+ EXPR_LIST at this point. Receive the LOC and move its extraction...
+ (df_defs_record): ... here. Change if-else to a switch statement.
+ (df_find_hard_reg_defs, df_find_hard_reg_defs_1): New.
+ (df_get_call_refs): Changed defs_generated from bitmap to HARD_REG_SET
+ and compute it from df_find_hard_reg_defs(). Record DF_REF_BASE
+ DEFs in REGNO order. Use HARD_REG_SET instead of bitmap for
+ regs_invalidated_by_call.
+ (df_insn_refs_collect): Record DF_REF_REGULAR DEFs after
+ df_get_call_refs().
+
+2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR lto/52178
+ * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
+ * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
+
+2012-05-25 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/t-linux64: Delete the 32-bit multilib that uses
+ software floating point emulation. No longer build the multilibs
+ with -mstrict-align.
+
+2012-05-25 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/53008
+ * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
+ accessed indirectly.
+ (ipa_tm_create_version): Same.
+
+2012-05-25 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53474
+ * config/i386/i386.c (ix86_print_operand) <case 'O'>: Print '.' here.
+ <case 'C', case 'c', case 'F', case 'f'>: Print '.' only for C and c.
+
+2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
+
+ PR target/53435
+ * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
+ (ix86_expand_vec_perm): Use int mode instead of float.
+ (expand_vec_perm_pshufb): Remove handling of useseless type
+ conversion.
+
+2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR ada/52362
+ * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
+ gnu_ld variables to yes.
+ * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
+ (HAVE_GNU_AS): Likewise.
+ * config.in: Regenerate.
+ * configure: Likewise.
+
+2012-05-25 Tristan Gingold <gingold@adacore.com>
+
+ * config/i386/i386.c (struct ix86_frame): Remove unused frame field.
+ (ix86_compute_frame_layout): Fix type of stack_alignment_needed
+ and preferred_alignment.
+
+2012-05-25 Tristan Gingold <gingold@adacore.com>
+
+ * common/config/ia64/ia64-common.c (ia64_except_unwind_info): Fix typo.
+
+2012-05-25 Thomas Schwinge <thomas@codesourcery.com>
+
+ * fold-const.c (optimize_bit_field_compare): Abort early in the strict
+ volatile bitfields case.
+
+2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
+ rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
+ (adjacent_mem_locations): Move some code to and call...
+ (get_memref_parts): ...new function.
+ (mem_locations_overlap): New function.
+ (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
+ (is_mem_ref): Rename to...
+ (find_mem_ref): ...this. Return MEM rtx.
+ (get_store_dest): Remove function.
+ (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
+ new parameter and adjust calls.
+ (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
+ mem refs overlap for true_store_to_load_dep_costly.
+ (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
+ passed to adjacent_mem_locations.
+ (is_costly_group): Walk resolved dependency list.
+ (force_new_group): Emit group ending nop for Power6/Power7.
+ * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
+ (group_ending_nop): New define_insn.
+
+2012-05-24 Dodji Seketeli <dodji@redhat.com>
+
+ Make unwound macro expansion trace less redundant
+ * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
+ context of macro definition in the trace, when it's redundant.
+ Update comments.
+
+2012-05-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53460
+ * tree-profile.c (tree_profiling): Cleanup the CFG if
+ execute_fixup_cfg requests it.
+
+2012-05-24 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (create_var_ann): Remove.
+ * tree-dfa.c (create_var_ann): Remove and inline into its
+ single caller ...
+ (add_referenced_var_1): ... here.
+ * varpool.c (add_new_static_var): Do not call add_referenced_var
+ for global vars.
+ * gimple-fold.c (canonicalize_constructor_val): Likewise.
+ * tree-switch-conversion.c (build_one_array): Likewise.
+ * tree-profile.c (gimple_gen_ic_profiler): Likewise.
+ * tree-flow-inline.h (gimple_referenced_vars): Guard against
+ NULL fn argument.
+ * tree-inline.c (remap_gimple_op_r): Likewise. Check
+ gimple_referenced_vars instead of gimple_in_ssa_p.
+ (copy_tree_body_r): Likewise.
+ (setup_one_parameter): Likewise.
+ (declare_return_variable): Likewise.
+ (tree_function_versioning): Likewise.
+
+2012-05-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53465
+ * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
+ vr0 into *vr, then vrp_meet that.
+ (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
+ have any equivalences.
+ (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
+ first time.
+
+2012-05-24 Jim MacArthur <jim.macarthur@arm.com>
+
+ * recog.c (reg_fits_class_p): Check both regno and regno + offset are
+ hard registers.
+ * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
+ check end_regno - 1 is a hard register.
+
+2012-05-24 Richard Guenther <rguenther@suse.de>
+
+ * varpool.c (add_new_static_var): Remove call to create_var_ann.
+ * tree-ssa-operands.c (create_vop_var): Likewise.
+
+2012-05-24 Richard Guenther <rguenther@suse.de>
+
+ PR bootstrap/53466
+ * tree-ssa-live.c (remove_unused_scope_block_p): Properly
+ handle globals.
+ (remove_unused_locals): Pass global_unused_vars to
+ remove_unused_scope_block_p. Restore code walking all
+ referenced vars and pruning them.
+
+2012-05-23 Jan Hubicka <jh@suse.cz>
+
+ * tree.h (alias_diag_flags): Remove.
+ (alias_pair): Remove emitted_diags.
+ (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
+ symbol_alias_set_t, symbol_alias_set_destroy,
+ symbol_alias_set_contains, propagate_aliases_backward): Remove.
+ * toplev.c (compile_file): Do not call finish_aliases_2
+ * cgraphunit.c (cgraph_process_new_functions): Do not call
+ finish_aliases_1.
+ (handle_alias_pairs): Output diagnostics about aliases to externals.
+ (assemble_thunks_and_aliases): Use do_assemble_alias.
+ (output_weakrefs): Likewise.
+ (finalize_compilation_unit): Do not call finish_aliases_1.
+ * ipa.c (symtab_remove_unreachable_nodes): De not call
+ remove_unreachable_alias_pairs.
+ * varasm.c (do_assemble_alias): Export.
+ (symbol_alias_set_create, symbol_alias_set_destroy,
+ symbol_alias_set_contains, symbol_alias_set_insert,
+ propagate_aliases_forward, propagate_aliases_backward,
+ propagate_aliases_backward, trivially_visible_alias,
+ trivially_defined_alias, remove_unreachable_alias_pairs,
+ finish_aliases_1, finish_aliases_2, assemble_alias): Remove.
+ * output.h (do_assemble_alias): Declare.
+ * varpool.c (varpool_remove_unreferenced_decls): Do not call
+ finish_aliases_1.
+
+2012-05-23 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
+
+2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
+ size handling.
+ (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
+ (iterative_hash_gimple_type): Adjust comment.
+ (iterative_hash_canonical_type): Likewise. Hash the bounds of the
+ domain for an array type instead of the domain type itself.
+
+2012-05-23 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53438
+ * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
+
+2012-05-23 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/53448
+ * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
+ * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
+ ASM_OUTPUT_ALIGN.
+
+2012-05-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (add_referenced_var_1): Do not add global vars.
+ * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
+ via the global_unused_vars bitmap.
+ (remove_unused_locals): Handle global vars in local-decls via
+ a global_unused_vars bitmap instead of the used flag in the
+ var annotation. Simplify global variable handling and removal.
+
+2012-05-22 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/53426
+ * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
+ from other partitions.
+
+2012-05-22 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/53161
+ * symtab.c (symtab_register_node): Fix ordering issue.
+
+2012-05-22 Steven Drake <sbd@NetBSD.org>
+
+ * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
+
+2012-05-22 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
+ Use strip_name_encoding target hook.
+
+2012-05-22 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
+ (init_function_for_compilation): Remove.
+ * tree-dfa.c (find_vars_r): Take struct function argument.
+ (find_referenced_vars_in): Adjust.
+ * tree-ssa-operands.c (clobber_stats): Remove.
+ (create_vop_var): Take struct function argument. Mark
+ virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
+ (init_ssa_operands): Take struct function argument.
+ (fini_ssa_operands): Do not dump dead stats.
+ * tree-ssa-operands.h (init_ssa_operands): Take struct function
+ argument.
+ * cgraphunit.c (init_lowered_empty_function): Adjust.
+ * lto-streamer-in.c (input_cfg): Likewise.
+ * tree-inline.c (initialize_cfun): Likewise.
+ * tree-into-ssa.c (rewrite_into_ssa): Likewise.
+ * omp-low.c (expand_omp_taskreg): Likewise. Avoid switching cfun.
+ * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
+ virtual operands are not registers.
+
+2012-05-22 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous commit.
+
+2012-05-22 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53437
+ * tree-inline.c (setup_one_parameter): Create a dummy init
+ statement for unused parameters when not optimizing.
+
+2012-05-22 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (add_referenced_var_1): Declare.
+ (add_referenced_var): Define.
+ * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup.
+ (add_referenced_var): Rename to ...
+ (add_referenced_var_1): ... this. Take struct function argument.
+
+2012-05-22 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR target/53334
+ * config/arm/arm-protos.h (arm_validize_comparison): Declare.
+ * config/arm/arm.c (arm_validize_comparison): Define.
+ * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
+ arm_validize_comparison.
+ ("cbranchdi4"): Likewise.
+ ("cstoredi4"): Likewise.
+ ("movsicc"): Likewise.
+ ("movsfcc"): Likewise.
+ ("movdfcc"): Likewise.
+
+2012-05-22 Dimitrios Apostolou <jimis@gmx.net>
+
+ * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
+ the mw_reg_pool size.
+
+2012-05-22 Paolo Bonzini <bonzini@gnu.org>
+
+ PR tree-optimization/53336
+ * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
+ non-integer integral types to offset type and vice versa.
+
+2012-05-22 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
+ * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
+ * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
+ V_SAVE_INLINE): Delete.
+ * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
+ (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
+ For ELF targets, use out-of-line restores for -Os and any number
+ of regs if the restore exits, and out-of-line gp save for two or
+ more regs. Use save_reg_p to test for holes in reg restore set.
+ Replace "#if" with "if".
+
+2012-05-22 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (save_reg_p): New function.
+ (first_reg_to_save, first_fp_reg_to_save): Use it here.
+ (first_altivec_reg_to_save, restore_saved_cr): Likewise.
+ (emit_frame_save): Use gen_frame_store.
+ (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
+ (rs6000_emit_prologue): Use save_reg_p. Use gen_frame_store for
+ vrsave and toc.
+ (rs6000_emit_epilogue): Use save_reg_p. Use gen_frame_load for
+ vrsave, toc, gp and fp restores.
+
+2012-05-22 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
+ Move those with ATTRIBUTE_UNUSED to immediately before definitions.
+ Move function pointer variables after forward declarations.
+ (rs6000_builtin_support_vector_misalignment): Make static.
+ (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
+ (rs6000_function_value, rs6000_can_eliminate): Likewise.
+
+2012-05-21 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR rtl-optimization/53373
+ * caller-save.c (save_call_clobbered_regs): Look into a possible
+ PARALLEL manually rather than using single_set on a call insn.
+
+2012-05-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53436
+ * omp-low.c (omp_build_component_ref): New function.
+ (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
+
+2012-05-21 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
+ arguments to bool.
+ (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
+ Do not print '.' here. Output operand lossage error for unhandled
+ sizes. Move.
+ <case '*'>: Move.
+ <case '&'>: Ditto.
+ <case 'Y'>: Ditto.
+ <case 'z'>: Hardcode "code" argument into error strings.
+ <case 'Z'>: Ditto.
+ <case 'D'>: Merge AVX and non-AVX codes.
+ <case 'C', case 'c', case 'F', case 'f'>: Merge. Fix error string.
+ Update call to put_condition_code.
+
+2012-05-21 Andreas Schwab <schwab@linux-m68k.org>
+
+ * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2. Call
+ CC_STATUS_INIT.
+ (clzsi2): New expander.
+ (*clzsi2_68k): New insn.
+ * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
+
+2012-05-21 Aldy Hernandez <aldyh@redhat.com>
+
+ * gimple.h (gimple_set_in_transaction): Remove.
+ (gimple_in_transaction): Look in BB instead.
+ (gimple_statement_base): Remove in_transaction field.
+ * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
+ * trans-mem.c (compute_transaction_bits): Place transaction bit
+ information into basic blocks.
+
+2012-05-21 Andreas Schwab <schwab@linux-m68k.org>
+
+ * expr.c (get_def_for_expr_class): Define only if
+ HAVE_conditional_move.
+ (convert_tree_comp_to_rtx): Likewise.
+
+2012-05-21 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53399
+ * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
+ for TARGET_BMI.
+ (ffssi2_no_cmove): Ditto.
+ (*ffs<mode>_1): Remove insn pattern.
+ (*tzcnt<mode>_1): New insn pattern.
+ (*bsf<mode>1): Ditto.
+
+2012-05-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
+ more referenced vars.
+ * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
+ flag on variables that have a var-annotation.
+
+2012-05-21 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/53418
+ * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
+ from folded operands before wrapping another around the
+ conditional expression.
+
+2012-05-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53366
+ * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
+ tests if complex_numbers == 2, but there are non-complex number loads
+ too.
+
+ PR tree-optimization/53409
+ * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
+ vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
+
+ PR tree-optimization/53410
+ * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
+ instead of build_int_cst (type, 0) where vector types might be
+ involved. Instead of build_int_cst (type, 1) convert the original
+ integer_onep argument to the desired type.
+
+2012-05-21 Michael Matz <matz@suse.de>
+
+ * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
+ (simplify_test_exp): Handle one more case of distributive law,
+ decrease cost threshold.
+ (tests_attr_p, get_attr_order): New functions.
+ (optimize_attrs): Use topological order, inline only cheap values.
+ (write_attr_set): Reset our_known_true after some time.
+
+2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/53425
+ * config/i386/i386.c (type_natural_mode): Warn passing SSE
+ vector argument without SSE enabled changes the ABI.
+
+2012-05-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53408
+ * tree-vect-loop.c (vectorizable_induction): Properly check
+ the restriction that we cannot handle induction results from
+ the inner loop outside of the outer loop.
+
+2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/53416
+ * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
+ (UNSPECV_RDRAND): This.
+ (rdrand<mode>_1): Updated.
+
+2012-05-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-loop-distribution.c (can_generate_builtin): Reject
+ volatile stmts.
+
+2012-05-21 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * Makefile.in (options.c): Add options.h to included header
+ files, before tm.h.
+
+2012-05-21 Razya Ladelsky <razya@il.ibm.com>
+
+ * tree-parloops.c : Add myself to contributors, update
+ TODO list, add link to wiki.
+
+2012-05-21 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/predicates.md (input_operand): Don't match
+ constant pool addresses. Remove label_ref, high and plus from
+ match_code list. Remove redundant CONSTANT_P test.
+ (splat_input_operand): Similarly update match_code list.
+ (small_toc_ref): New predicate.
+ * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
+ * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
+ (legitimate_constant_pool_address_p): Move TARGET_TOC test and
+ register checks to..
+ (toc_relative_expr_p): ..here. Add "strict" param. Match new rtl
+ generated by create_TOC_reference.
+ (rs6000_legitimize_address): Update cerate_TOC_reference call.
+ (rs6000_delegitimize_address): Handle new rtl for toc refs.
+ (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
+ (use_toc_relative_ref): New function, split out from..
+ (rs6000_emit_move): ..here. Remove redundant tests. Update
+ create_TOC_reference calls.
+ (rs6000_legitimize_reload_address): Formatting. Handle splitting
+ of medium/large model toc addresses. Use use_toc_relative_ref.
+ (print_operand): Formatting, style. Adjust for toc changes.
+ (print_operand_address): Likewise.
+ (rs6000_output_addr_const_extra): Likewise.
+ (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
+ than a PLUS. Use this formulation for both high and low part
+ of -mcmodel=medium/large toc reference too. Before reload,
+ always use the small model formulation.
+ * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
+ a PLUS in high part of addresses here.
+ (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
+ (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
+ (largetoc_high, largetoc_low): Move earlier. Cope when no
+ base reg available.
+ (largetoc_high_plus): New insn.
+ (movsi_internal1, movsi_internal1_single, movsf_softfloat,
+ movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
+ (tocref): ..instead do so here, new insn and split.
+
+2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/driver-i386.c (host_detect_local_cpu): Support
+ RDRND, F16C and FSGSBASE.
+
+2012-05-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR rtl-optimzation/53373
+ * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
+ call pattern. Update split patterns.
+ (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
+ call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
+
+2012-05-20 Razya Ladelsky <razya@il.ibm.com>
+
+ * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
+ for outer loops.
+
+2012-05-18 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
+ (cgraph_process_new_functions): Process also aliases.
+ * lto-streamer-out.c (struct sets): Remove.
+ (trivally_defined_alias): Remove.
+ (output_alias_pair_p): Remove.
+ (output_unreferenced_globals): Remove.
+ (produce_symtab); Do not handle alias pairs.
+ (produce_asm_for_decls): Likewise.
+ * lto-streamer-in.c (input_alias_pairs): Remove.
+ (lto_read_body): Do not input alias pairs.
+ (lto_input_constructors_and_inits): Remove.
+
+2012-05-18 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
+ aliases.
+
+2012-05-18 Jan Hubicka <jh@suse.cz>
+
+ * cgraphbuild.c (record_reference): Update.
+ * lto-cgraph.c (lto_output_varpool_node): External vars
+ are not in other partition even if they are not output
+ in current partition.
+ * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
+ argument; fix.
+ (canonicalize_constructor_val): Take FROM_DECL argument.
+ (fold_ctor_reference, fold_string_cst_ctor_reference,
+ fold_array_ctor_reference, fold_nonarray_ctor_reference,
+ fold_ctor_reference): Likewise.
+ (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
+ * gimple.h (gimple_fold_builtin): Likewise.
+
+2012-05-18 Olivier Hainque <hainque@adacore.com>
+
+ * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
+ $(libsubdir) as libexecsubdir.
+
+2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
+ relied on signed overflow behavior.
+
+2012-05-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53346
+ * tree-loop-distribution.c (ldist_gen): Make sure to apply
+ builtin transform even when only a single partition with
+ all reads/writes exists.
+
+2012-05-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53390
+ * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
+ strided loads.
+
+2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ * tree-ssa-reassoc.c (bip_map): Remove decl.
+ (completely_remove_stmt): Remove function.
+ (remove_def_if_absorbed_call): Remove function.
+ (remove_visited_stmt_chain): Remove __builtin_powi handling.
+ (possibly_move_powi): Remove function.
+ (rewrite_expr_tree): Remove calls to possibly_move_powi.
+ (rewrite_expr_tree_parallel): Likewise.
+ (attempt_builtin_powi): Build multiplies explicitly rather than
+ relying on the ops vector and rank system.
+ (transform_stmt_to_copy): New function.
+ (transform_stmt_to_multiply): Likewise.
+ (reassociate_bb): Handle leftover operations after __builtin_powi
+ optimization; build a final multiply if necessary.
+
+2012-05-18 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (varpool_finalize_decl): Allow external decls.
+ (mark_functions_to_output): Fix sanity check.
+ * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
+
+2012-05-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (mark_symbols_for_renaming): Remove.
+ * tree-dfa.c (mark_symbols_for_renaming): Likewise.
+ * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
+ (copy_debug_stmt): Likewise.
+ (expand_call_inline): Likewise.
+ (declare_return_variable): Mark the return variable for renaming
+ if necessary.
+
+2012-05-18 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
+ prototype.
+ * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
+ * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
+ (ashrdi3,lshrdi3): Likewise.
+ (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
+
+2012-05-18 Meador Inge <meadori@codesourcery.com>
+
+ PR rtl-optimization/53352
+ * cse.c (equiv_constant): Ignore paradoxical subregs.
+
+2012-05-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/53125
+ * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
+ argument. Simplify calculation of REG_LIVE_LENGTH for regnos that
+ die in the basic block. Correctly top off REG_FREQ and
+ REG_FREQ_CALLS_CROSSED.
+ Remove do_not_gen.
+ (regstat_compute_ri): Allocate and free local_live_last_luid.
+ Remove do_not_gen.
+ (regstat_bb_compute_calls_crossed): Correctly top off
+ REG_FREQ_CALLS_CROSSED.
+
+2012-05-17 Jan Hubicka <jh@suse.cz>
+
+ * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
+ constructor over decl without.
+ * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
+ * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
+ * cgraphunit.c (process_function_and_variable_attributes): Finalize
+ extrnal decls.
+ (mark_functions_to_output): Also accept bodies for functions with
+ clones.
+ (output_in_order): Skip external vars.
+ * lto-cgraph.c (lto_output_node): External functions are never in other
+ partition.
+ (lto_output_varpool_node): Likewise.
+ * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
+ forgotten initializers.
+ * ipa.c (process_references): Handle external vars.
+ (symtab_remove_unreachable_nodes): Update to handle external vars.
+ (varpool_externally_visible_p): External vars are externally visible.
+ * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
+ * varpool.c (varpool_remove_node): Remove constructor.
+ (decide_is_variable_needed): Handle externals.
+ (varpool_remove_unreferenced_decls): Likewise.
+
+2012-05-17 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
+ (enable_warning_as_error): Do not special case Wuninitialized.
+ * optc-gen.awk: Add sanity checks.
+
+2012-05-17 Jan Hubicka <jh@suse.cz>
+
+ * ipa-reference.c (is_proper_for_analysis): Do not check flags
+ that might change as result of global optimization.
+ (analyze_function): Do not check analyzed and externally_visible
+ flags; be happy about address dereferences.
+ (propagate): Prune all_module_statics so it really contains just
+ statics; prune all the local summaries.
+ (ipa_reference_write_optimization_summary): Simplify.
+
+2012-05-17 Kwok Cheung Yeung <kcy@codesourcery.com>
+
+ * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
+ * config/m68k/m68k-tables.opt: Regenerated.
+ * doc/invoke.texi (M680x0 Options): Document.
+
+2012-05-16 Dave Boutcher <daveboutcher@gmail.com>
+ Patrick Marlier <patrick.marlier@gmail.com>
+
+ * trans-mem.c (ipa_tm_transform_clone): Transform functions with
+ indirect calls.
+
+2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * configure: Regenerated.
+
+2012-05-16 Andrew Pinski <apinski@cavium.com>
+
+ * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
+ GIMPLE_ASSIGN.
+
+2012-05-16 David S. Miller <davem@davemloft.net>
+
+ * jump.c (delete_related_insns): If we remove a CALL, make sure
+ we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
+
+2012-05-16 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/53217
+ * tree-ssa-reassoc.c (bip_map): New static variable.
+ (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
+ (attempt_builtin_powi): Save feeding multiplies on a stack.
+ (reassociate_bb): Create and destroy bip_map.
+
+2012-05-16 Olivier Hainque <hainque@adacore.com>
+
+ * Makefile.in (install-no-fixedincludes): New target, former toplevel
+ gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
+ Add comments and improve stamp preservation across the whole sequence.
+ (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
+
+2012-05-16 Richard Guenther <rguenther@suse.de>
+
+ * tree-inline.c (insert_init_stmt): Do not call
+ mark_symbols_for_renaming.
+ (setup_one_parameter): Avoid initializing unused parameters.
+ (declare_return_variable): Properly handle DECL_BY_REFERENCE
+ return vars in SSA form.
+
+2012-05-16 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (get_virtual_var): Remove.
+ * tree-dfa.c (get_virtual_var): Likewise.
+
+2012-05-16 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
+ Remove set-only bitmap of new names.
+ (slpeel_tree_peel_loop_to_edge): Likewise. Do not set
+ CFG hooks.
+ * tree-flow.h (ssa_names_to_replace): Remove.
+ * tree-into-ssa.c (ssa_names_to_replace): Likewise.
+
+2012-05-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53364
+ * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
+ detect a view-conversion of the decl.
+
+2012-05-16 Dodji Seketeli <dodji@redhat.com>
+
+ PR preprocessor/7263
+ * c-tree.h (enum c_declspec_word): Declare new enum.
+ (struct c_declspecs::locations): New member.
+ (declspecs_add_qual, declspecs_add_scspec)
+ (declspecs_add_addrspace, declspecs_add_alignas): Take a new
+ location parameter.
+ * c-decl.c (build_null_declspecs): Initialize the new struct
+ c_declspecs::locations member.
+ (declspecs_add_addrspace): Take a location parameter for the
+ address space. Store it onto declaration specifiers.
+ (declspecs_add_qual): Likewise, take a location parameter for the
+ qualifier.
+ (declspecs_add_type): Likewise, take a location parameter for the
+ type specifier.
+ (declspecs_add_scspec): Likewise, take a location parameter for
+ the storage class specifier.
+ (declspecs_add_attrs): Likewise, take a location parameter for the
+ first attribute.
+ (declspecs_add_alignas): Likewise, take a location parameter for
+ the alignas token.
+ (finish_declspecs): For diagnostics, use the location of the
+ relevant declspec, instead of the global input_location.
+ * c-parser.c (c_parser_parameter_declaration): Pass the precise
+ virtual location of the declspec to the declspecs-setters.
+ (c_parser_declspecs): Likewise. Avoid calling c_parser_peek_token
+ repeatedly.
+
+2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
+
+ * configure.ac: Stack protector enabling for Android targets.
+ * configure: Regenerate.
+
+2012-05-16 Richard Sandiford <r.sandiford@uk.ibm.com>
+
+ * ira.c (pseudo_move_insn): Delete.
+ (find_moveable_pseudos): Don't set it.
+ (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
+ the definitions of the original pseudo. Delete all of them.
+
+2012-05-16 Olivier Hainque <hainque@adacore.com>
+
+ * config/rs6000/rs6000-opts.h (enum processor_type): Add
+ PROCESSOR_PPC8548.
+ * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
+ * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
+ * config/rs6000/8540.md: indicate that the units/patterns apply to
+ ppc8548 as well.
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
+ default_cpu into implicit_cpu, conveying what --with-cpu was passed at
+ configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
+ related flags, check that what is queried is supported by the selected
+ configuration. Rework the single/double_float and MASK_STRING resets to
+ hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
+ costs for PROCESSOR_PPC8548 as well.
+ (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
+ (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
+ statement instead of a sequence of ifs.
+
+ * config/rs6000/rs6000.h (TARGET_E500): Remove.
+ (TARGET_NO_LWSYNC): Adjust accordingly.
+ * config/rs6000/e500.h (TARGET_E500): Remove.
+ (CHECK_E500_OPTIONS): Adjust accordingly.
+ * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
+ (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
+ * config/rs6000/linuxspe.h: Likewise.
+ * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
+ superfluous comments.
+ * config/rs6000/e500-double.h: Remove.
+
+ * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
+ default to with_cpu=8548 if --enable-e500-double, and to 8540
+ otherwise.
+ (set misc flags section): For powerpc*|rs6000*, remove inclusion
+ of e500-double.h for --enable-e500-double.
+
+2012-05-16 Olivier Hainque <hainque@adacore.com>
+
+ * Makefile.in (s-header-vars): Resort to -n instead of trailing
+ -e d in sed invocation.
+
+2012-05-16 Hans-Peter Nilsson <hp@axis.com>
+
+ * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
+ source-code.
+ * doc/tm.texi: Regenerate.
+
+2012-05-15 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
+
+2012-05-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/53358
+ * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
+ that operands[2] is either immediate, or q_regs_operand.
+
+2012-05-15 Richard Guenther <rguenther@suse.de>
+
+ * cgraphunit.c (thunk_adjust): Use make_rename_temp.
+ (assemble_thunk): Likewise. Manually rename and register
+ function arguments.
+
+2012-05-15 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53355
+ * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
+ by constants.
+
+2012-05-15 Tristan Gingold <gingold@adacore.com>
+
+ * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
+
+2012-05-15 Richard Guenther <rguenther@suse.de>
+
+ * gimple.c (gimple_set_modified): Move ...
+ * gimple.h (gimple_set_modified): ... here.
+
+2012-05-15 Tristan Gingold <gingold@adacore.com>
+
+ * ira-color.c (move_spill_restore): Add a guard.
+
+2012-05-15 Tristan Gingold <gingold@adacore.com>
+
+ * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
+ plus_constant.
+
+2012-05-15 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimplify.c (gimplify_init_constructor): Do a block move for very
+ small objects as well.
+
+2012-05-15 Bernd Schmidt <bernds@codesourcery.com>
+
+ * ira.c (find_moveable_pseudos): Skip registers whose
+ DF_REG_EQ_USE_COUNT is nonzero.
+
+2012-05-15 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * doc/md.texi (fma): Define to only be applicable for single rounding.
+
+2012-05-14 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/46098
+ * config/i386/i386.c (ix86_expand_special_args_builtin): Always
+ generate target register for "load" class builtins.
+
+ Revert:
+ 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/46098
+ * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
+ Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
+ (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
+ (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
+ (<sse>_movu<ssemodesuffix>): New expander.
+ (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
+ (avx_movdqu<avxmodesuffix>): New expander.
+ (*sse2_movdqu): Rename from sse2_movdqu.
+ (sse2_movdqu): New expander.
+
+2012-05-14 Marc Glisse <marc.glisse@inria.fr>
+
+ PR target/52607
+ * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
+ (canonicalize_perm): ... new function.
+ (expand_vec_perm_2vperm2f128_vshuf): New function.
+ (ix86_expand_vec_perm_const_1): Call it.
+
+2012-05-14 Andrew Pinski <apinski@cavium.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR target/53315
+ * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
+ (xbegin): Updated.
+
+2012-05-14 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
+ lineno 1 the same as lineno 0 before first start file directive.
+ (optimize_macinfo_range): Likewise.
+
+ * dwarf2out.c (have_macinfo): Define.
+ (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
+ attribute, don't force empty compilation unit and don't emit any
+ .debug_macinfo/.debug_macro section if macinfo_table is empty.
+
+2012-05-14 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/53344
+ * config/avr/avr.c (avr_const_address_lo16): Remove.
+ (avr_assemble_integer): Print ".byte lo8(x)",
+ ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
+ .warning if 3-byte address is assembled.
+ * doc/extend.texi (AVR Named Address Spaces): Document that
+ binutils 2.23 is needed to assemble 3-byte addresses.
+
+2012-05-14 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-data-refs.c (vect_setup_realignment): Remove
+ call to mark_symbols_for_renaming.
+ (vect_permute_load_chain): Likewise.
+ * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
+ instead of calling mark_symbols_for_renaming.
+ * tree-vect-stmts.c (read_vector_array): Remove call to
+ mark_symbols_for_renaming.
+ (write_vector_array): Likewise.
+ (vectorizable_call): Likewise.
+ (vectorizable_store): Likewise.
+ (vectorizable_load): Likewise.
+ * matrix-reorg.c (transform_allocation_sites): Likewise.
+ * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
+ (create_expression_by_pieces): Likewise.
+
+2012-05-14 Richard Guenther <rguenther@suse.de>
+
+ * gimplify.c (gimple_regimplify_operands): Only mark the LHS
+ of statements for renaming.
+ (force_gimple_operand_1): Likewise, consistently for both
+ calls to force_gimple_operand and force_gimple_operand_gsi.
+
+2012-05-14 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
+ * omp-low.c (expand_omp_taskreg): Properly conditionalize call
+ to update_ssa.
+ (expand_omp_for): Likewise.
+ (expand_omp_for_generic): Adjust conditional add to referenced vars.
+ Use make_rename_temp for temporaries that should be rewritten into
+ SSA form.
+ (expand_omp_for_static_nochunk): Likewise.
+ (expand_omp_atomic_pipeline): Likewise.
+
+2012-05-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53331
+ * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
+ strided loads.
+ * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
+
+2012-05-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR 53063
+ * doc/options.texi: (LangEnabledBy): Document it.
+ * optc-gen.awk: Handle LangEnabledBy.
+ * opth-gen.awk: Generate declaration for lang-specific functions.
+ * opt-read.awk: Record lang numbers.
+ * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
+ (lang_sanitized_name): New.
+
+2012-05-14 Bernd Schmidt <bernds@codesourcery.com>
+
+ * attribs.c (decl_attributes): Avoid emitting a warning if
+ ATTR_FLAG_BUILT_IN.
+ * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
+ codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
+ * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
+ define a string "1".
+ (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
+ * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
+ BUILT_IN_STRCPY): Use it for these functions.
+ * postreload.c (reload_combine): Deal with SETs inside
+ CALL_INSN_FUNCTION_USAGE.
+ * caller-save.c (setup_save_areas, save_call_clobbered_regs):
+ Look for REG_RETURNED notes and use a cheap restore if possible.
+ * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
+ (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
+ * ira-build.c (ira_create_allocno, create_cap_allocno,
+ propagate_allocno_info, propagate_some_info_from_allocno,
+ copy_info_to_removed_store_destination, ira_flattening): Handle it.
+ * ira-lives.c (pseudo_regno_single_word_and_live_p,
+ find_call_crossed_cheap_reg): New static functions.
+ (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
+ and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
+ a REG_RETURNED note in that case.
+ * ira.c (setup_reg_renumber): Change assert to allow cases where
+ allocnos only cross calls for which they are cheap to restore.
+ * ira-costs.c (ira_tune_allocno_costs): Compare
+ ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
+ than 0.
+ * reg-notes.def (REG_RETURNED): New note.
+ * cse.c (cse_insn): Likewise.
+ * sched-deps.c (sched_analyze_insn): Likewise.
+ * expr.c (init_block_move_fn): Set a "fn spec" attribute.
+ * calls.c (decl_return_flags): New static function.
+ (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
+ functions that return one of their arguments.
+ * regcprop.c (struct kill_set_value_data): New.
+ (kill_set_value): Interpret data as a pointer to such a struct.
+ Do nothing if the caller wants the register to be ignored.
+ (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
+
+2012-05-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53340
+ * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
+
+2012-05-14 Richard Guenther <rguenther@suse.de>
+
+ * gimplify.c (gimplify_expr): Remove odd code.
+
+2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
+ into a PLUS_EXPR byte offset.
+
+ * tree-ssa-pre.c (can_value_number_call): Delete.
+ (compute_avail): Skip all statements with side effects.
+ <GIMPLE_CALL>: Skip calls to internal functions.
+
+2012-05-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
+
+2012-05-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * common.opt (Wtype-limits): Use EnabledBy.
+
+2012-05-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
+ (pushtf splitter): Ditto.
+ (movtf): Ditto.
+ (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
+ (<code>tf2): Enable for TARGET_SSE.
+ (*absnegtf2_sse): Ditto.
+ (copysign<mode>3): Enable TFmode for TARGET_SSE.
+ (copysign<mode>3_const): Ditto.
+ (copysign<mode>3_var): Ditto.
+ * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
+ (*andnottf3): Ditto. Use V4SFmode for !TARGET_SSE2.
+ (*<code>tf3): Ditto.
+ * config/i386/i386.c (struct builtin_description bdesc_args)
+ <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
+ <IX86_BUILTIN_COPYSIGNQ>: Ditto.
+ (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
+ Emit a normal call if SSE isn't available.
+
+2012-05-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (<sse>_andnot<mode>3): Handle
+ TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
+ (<code><mode>3): Ditto.
+ (*andnot<mode>3): Ditto.
+ (*andnottf3): Ditto.
+ (*<code><mode>3): Ditto.
+ (<code>tf3): Ditto.
+
+2012-05-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * optc-gen.awk: Error instead of warning for conflicting help.
+
+2012-05-12 Jason Merrill <jason@redhat.com>
+
+ PR debug/53235
+ * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
+ comdat types.
+
+2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * function.c (requires_stack_frame_p): If the function can throw
+ non-call exceptions, return true if the insn can throw internally.
+
+2012-05-12 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
+
+2012-05-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
+ ORDERED and UNORDERED conditions.
+
+2012-05-11 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (referenced_var_check_and_insert): Remove.
+ (find_new_referenced_vars): Likewise.
+ * tree-dfa.c (referenced_var_check_and_insert): Make static.
+ (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
+ * tree-inline.c (copy_bb): Use find_referenced_vars_in
+ instead of find_new_referenced_vars.
+ * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
+
+2012-05-11 Richard Guenther <rguenther@suse.de>
+
+ * tree-pass.h (pass_rest_of_compilation,
+ pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
+ Remove.
+ * passes.c (pass_all_optimizations, pass_postreload,
+ pass_all_early_optimizations): Make static.
+ (pass_rest_of_compilation): Likewise. Make it an RTL_PASS.
+ * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
+ * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
+ (delete_tree_ssa): Do not call fini_phinodes.
+ * tree-flow.h (init_phinodes, fini_phinodes): Remove.
+
+2012-05-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR 53063
+ * doc/options.texi (EnabledBy): Document
+ * opts.c: Include opts.h and options.h before tm.h.
+ (finish_options): Do not handle some sub-options here...
+ (common_handle_option): ... instead call common_handle_option_auto
+ here.
+ * optc-gen.awk: Handle EnabledBy.
+ * opth-gen.awk: Declare common_handle_option_auto.
+ * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
+ (Wmaybe-uninitialized): Likewise.
+ (Wunused-but-set-variable): Likewise.
+ (Wunused-function): Likewise.
+ (Wunused-label): Likewise.
+ (Wunused-value): Likewise.
+ (Wunused-variable): Likewise.
+ * opt-read.awk: Create opt_numbers array.
+
+2012-05-11 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53295
+ * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
+ strides.
+ * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
+ strides when analyzing data-references in a loop context.
+ * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
+ non-constant strides for now.
+ (vect_enhance_data_refs_alignment): Ignore data references
+ that are strided loads.
+ (vect_analyze_data_ref_access): Handle non-constant strides.
+ (vect_check_strided_load): Verify the data-reference is a load.
+ (vect_analyze_data_refs): Restructure to make strided load
+ support not dependent on gather support.
+ * tree-vect-stmts.c (vectorizable_load): Avoid useless work
+ when doing strided or gather loads.
+ * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
+ integer_zerop to compare stride with zero.
+
+2012-05-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
+
+2012-05-11 Jan Hubicka <jh@suse.cz>
+
+ PR bootstrap/53300
+ * varpool.c (varpool_assemble_decl): Also output constat pool entries
+ that output_constant_pool missed.
+
+2012-05-11 Mingjie Xing <mingjie.xing@gmail.com>
+
+ * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
+ MULTILIB_EXTRA_OPTS.
+
+2012-05-11 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53291
+ * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
+
+2012-05-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
+ optimization for TARGET_AVX.
+ (*movti_internal_sse): Ditto.
+ (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
+ (*movdi_internal): Ditto.
+ (*movsi_internal): Ditto.
+ (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
+ (*movdf_internal_rex64): Ditto.
+ (*movfd_internal): Ditto.
+ (*movsf_internal): Ditto.
+ * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
+
+2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
+
+ * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
+ reference as size attribute.
+
+2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
+ Tristan Gingold <gingold@adacore.com>
+
+ * doc/md.texi (Standard Names): Document probe_stack_address.
+ * explow.c (emit_stack_probe): Handle probe_stack_address.
+ * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
+ (UNSPECV_PROBE_STACK_RANGE): Likewise.
+ (probe_stack_address): New insn.
+ (probe_stack_range): Likewise.
+ * config/ia64/ia64.c: Include common/common-target.h.
+ (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
+ checking is enabled.
+ (ia64_emit_probe_stack_range): New function.
+ (output_probe_stack_range): Likewise.
+ (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
+ builtin stack checking is enabled.
+ (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
+ and UNSPECV_PROBE_STACK_ADDRESS.
+ (unknown_for_bundling_p): New predicate.
+ (group_barrier_needed): Use important_for_bundling_p.
+ (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
+ (issue_nops_and_insn): Likewise.
+ (bundling): Likewise.
+ (final_emit_insn_group_barriers): Likewise.
+ * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
+ * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
+ (STACK_CHECK_PROTECT): Likewise.
+ * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
+
+2012-05-10 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (update_all_callee_keys): Remove.
+ (inline_small_functions): Simplify priority updating.
+
+2012-05-10 Jan Hubicka <jh@suse.cz>
+
+ * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
+
+2012-05-10 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
+ (symtab_remove_unreachable_nodes): ... this one.
+ * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
+ * cgraphunit.c (ipa_passes): Update.
+ * cgraphclones.c (cgraph_materialize_all_clones): Update.
+ * cgraph.c (cgraph_release_function_body): Only turn initial
+ into error mark when initial was previously set.
+ * ipa-inline.c (ipa_inline): Update.
+ * ipa.c: Include ipa-inline.h
+ (enqueue_cgraph_node, enqueue_varpool_node): Remove.
+ (enqueue_node): New function.
+ (process_references): Update.
+ (symtab_remove_unreachable_nodes): Cleanup.
+ * passes.c (execute_todo, execute_one_pass): Update.
+
+2012-05-10 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/53125
+ * ira.c (ira): Call find_moveable_pseudos and
+ move_unallocated_pseudos if only ira_conflicts_p is true.
+
+2012-05-10 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*movoi_internal_avx): Handle
+ TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
+ (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
+ (*movti_internal_sse): Ditto.
+ (*movtf_internal): Ditto.
+ * config/i386/sse.md (ssePSmode): New mode attribute.
+ (*move<mode>_internal): Use ssePSmode.
+ (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
+ (*<sse2>_movdqu<avxsizesuffix>): Ditto.
+ * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
+ TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
+
+2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
+ DECL_ORIGINAL_TYPE if it is present.
+
+2012-05-10 Nick Clifton <nickc@redhat.com>
+
+ PR target/53120
+ * config/m32c/bitops.md (bset_qi): Change operand 2 from having
+ a "0" constraint to being a (match_dup 0).
+
+2012-05-10 Richard Guenther <rguenther@suse.de>
+
+ * stor-layout.c (byte_from_pos): Amend comment.
+
+2012-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
+ Document requirement to call in constructors.
+
+ * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
+
+2012-05-10 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (TYPE_IS_SIZETYPE): Remove.
+ * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
+ (extract_muldiv_1): Likewise.
+ * gimple.c (gtc_visit): Likewise.
+ (gimple_types_compatible_p): Likewise.
+ (iterative_hash_canonical_type): Likewise.
+ (gimple_canonical_types_compatible_p): Likewise.
+ * gimplify.c (gimplify_one_sizepos): Likewise.
+ * print-tree.c (print_node): Likewise.
+ * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
+
+2012-05-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52908
+ * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
+ xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
+ (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
+ instead of xop_mulv2div2di3_low.
+ (xop_p<macs>dql): Fix vec_select selector.
+ (xop_p<macs>dqh): Ditto.
+ (xop_mulv2div2di3_low): Remove insn_and_split pattern.
+ (xop_mulv2div2di3_high): Ditto.
+
+2012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c++/53289
+ * diagnostic.h (diagnostic_context): Add last_location.
+ * diagnostic.c (diagnostic_initialize): Initialize it.
+ (diagnostic_show_locus): Use it.
+
+2012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * doc/extend.texi (Function Attributes): Point xref to section
+ about Pragmas.
+
+2012-05-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (*movdf_internal_rex64): Remove
+ TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
+ Calculate "mode" attribute according to
+ TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
+ (*movdf_internal): Ditto.
+
+2012-05-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/44141
+ * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
+ 128 bit vectors specially for TARGET_AVX. Emit sse2_movupd and
+ sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
+ or when optimizing for size.
+ * config/i386/sse.md (*mov<mode>_internal): Remove
+ TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
+ Calculate "mode" attribute according to optimize_function_for_size_p
+ and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
+ (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
+ depending on the mode of the instruction. Calculate "mode" attribute
+ according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
+ and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
+ (*<sse2>_movdqu<avxsizesuffix>): Ditto.
+
+2012-05-09 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/53256
+ * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
+ * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
+ * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
+ * config/avr/avr.c (avr_asm_declare_function_name): Remove.
+ (expand_prologue): Move initialization of cfun->machine->is_naked,
+ is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
+ (avr_set_current_function): ...this new static function.
+ (TARGET_SET_CURRENT_FUNCTION): New define.
+ (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
+ checking attributes of current_function_decl.
+ (avr_regs_to_save): Ditto.
+ (signal_function_p): Rename to avr_signal_function_p.
+ (interrupt_function_p): Rename to avr_interrupt_function_p.
+
+ * doc/extend.texi (Function Attributes): Better explanation of
+ 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
+ alphabetical order.
+
+2012-05-09 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/53185
+ * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
+ peeling when we see strided loads.
+
+2012-05-09 Matthias Klose <doko@ubuntu.com>
+
+ * gcc-ar.c (main): Don't check for execute bits for the plugin.
+
+2012-05-09 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
+ Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
+ USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
+ * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
+ (USE_LOAD_POST_INCREMENT): Define.
+ (USE_LOAD_PRE_INCREMENT): Define.
+ (USE_LOAD_POST_DECREMENT): Define.
+ (USE_LOAD_PRE_DECREMENT): Define.
+ (USE_STORE_PRE_DECREMENT): Define.
+ (USE_STORE_PRE_INCREMENT): Define.
+ (USE_STORE_POST_DECREMENT): Define.
+ (USE_STORE_POST_INCREMENT): Define.
+ (arm_auto_incmodes): Add enumeration.
+ * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
+ * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
+
+2012-05-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53226
+ * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
+ prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
+ before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
+ doesn't need to be revisited, look for earliest stmt with
+ !gimple_plf (stmt, GF_PLF_1) if something changed.
+
+2012-05-09 Terry Guo <terry.guo@arm.com>
+
+ * genmultilib: Update copyright dates.
+ * doc/fragments.texi: Ditto.
+
+2012-05-09 Terry Guo <terry.guo@arm.com>
+
+ * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
+ * genmultilib (MULTILIB_REQUIRED): New.
+ * doc/fragments.texi: Document the MULTILIB_REQUIRED.
+
+2012-05-09 Richard Guenther <rguenther@suse.de>
+
+ * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
+ (vect_do_peeling_for_loop_bound): Likewise.
+ (vect_do_peeling_for_alignment): Likewise.
+ * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
+ (vect_do_peeling_for_loop_bound): Get check_profitability and
+ threshold as parameters.
+ (vect_do_peeling_for_alignment): Likewise.
+ (vect_loop_versioning): Likewise.
+ * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
+ and threshold here. Control where to put the check here.
+
+2012-05-09 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/53249
+ * dwarf2out.h (get_address_mode): Move declaration to...
+ * rtl.h: ...here.
+ * dwarf2out.c (get_address_mode): Move definition to...
+ * rtlanal.c: ...here.
+ * var-tracking.c (get_address_mode): Delete.
+ * combine.c (find_split_point): Use get_address_mode instead of
+ targetm.addr_space.address_mode.
+ * cselib.c (cselib_record_sets): Likewise.
+ * dse.c (canon_address, record_store): Likewise.
+ * emit-rtl.c (adjust_address_1, offset_address): Likewise.
+ * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
+ (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
+ (expand_expr_real_1): Likewise.
+ * ifcvt.c (noce_try_cmove_arith): Likewise.
+ * optabs.c (maybe_legitimize_operand_same_code): Likewise.
+ * reload.c (find_reloads): Likewise.
+ * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
+ * sel-sched-dump.c (debug_mem_addr_value): Likewise.
+
+2012-05-09 Maciej W. Rozycki <macro@codesourcery.com>
+
+ * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
+ information from the instruction produced.
+
+2012-05-09 Richard Guenther <rguenther@suse.de>
+
+ * stor-layout.c (bit_from_pos): Document.
+ (byte_from_pos): Likewise. Optimize.
+ (pos_from_bit): Likewise.
+ (normalize_offset): Use pos_from_bit instead of replicating it.
+
+2012-05-09 Alan Modra <amodra@gmail.com>
+
+ PR target/53271
+ * config/rs6000/rs6000.c (gen_frame_set): New function.
+ (gen_frame_load, gen_frame_store): New functions.
+ (rs6000_savres_rtx): Use the above.
+ (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
+ Correct mode used for CR2 in save/restore_world patterns.
+ Don't emit instructions for eh_return frame unwind reg info.
+
+2012-05-08 Jan Hubicka <jh@suse.cz>
+
+ * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
+ with VALUE_EXPR.
+ * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
+ are removable.
+ * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
+ need to wrapup.
+ (compile_file): Do not output variables.
+ * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
+ output it.
+ * langhooks.c: Include timevar.h
+ (write_global_declarations): Finalize compilation unit after wrapup;
+ set timevars correctly.
+ * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
+ not to be added to varpool.
+ * varpool.c (varpool_assemble_decl): Sanity check that we are called
+ only on cases where it makes sense; skip constant pool and value expr
+ vars.
+
+2012-05-08 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
+ * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
+ * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
+
+2012-05-08 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR rtl-optimization/53278
+ * lower-subreg.c (decompose_multiword_subregs): Remove left-over
+ speed_p code from earlier patch.
+
+2012-05-08 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md (*branch_true, *branch_false): New insns.
+
+2012-05-08 Teresa Johnson <tejohnson@google.com>
+
+ * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
+ * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
+
+2012-05-08 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
+ (cgraph_create_node_1): Rename to ...
+ (cgraph_create_empty_node): ... this one; export.
+ (cgraph_create_node): Update.
+ (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
+ (cgraph_create_edge_including_clones): Likewise.
+ (cgraph_find_replacement_node): Likewise.
+ (cgraph_clone_edge): Likewise.
+ (cgraph_clone_node): Likewise.
+ (clone_function_name): Likewise.
+ (cgraph_create_virtual_clone): Likewise.
+ (cgraph_remove_node_and_inline_clones): Likewise.
+ (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
+ * cgraph.h: Reorder declarations so they match file of origin.
+ (cgraph_create_empty_node): Declare.
+ * cgraphunit.c (update_call_expr): Move to cgraphclones.c
+ (cgraph_copy_node_for_versioning): Likewise.
+ (cgraph_function_versioning): Likewise.
+ (cgraph_materialize_clone): Likewise.
+ (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
+ (cgraph_materialize_all_clones): Likewise.
+ * cgraphclones.c: New file.
+ * Makefile.in: Update for cgraphclones.
+
+2012-05-08 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53176
+ * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
+ (ix86_rtx_costs): Handle SET.
+
+2012-05-08 Michael Matz <matz@suse.de>
+
+ * basic-block.h (struct rtl_bb_info): Remove visited member and
+ move head_ member to ...
+ (struct basic_block_def.basic_block_il_dependent): ... the new
+ member x, replacing but containing old member rtl.
+ (enum bb_flags): New BB_VISITED flag.
+ (BB_HEADER, BB_FOOTER): New macros.
+
+ * jump.c (mark_all_labels): Adjust.
+ * cfgcleanup.c (try_optimize_cfg): Adjust.
+ * cfglayout.c (record_effective_endpoints): Adjust.
+ (relink_block_chain): Ditto (and don't fiddle with visited).
+ (fixup_reorder_chain): Adjust.
+ (fixup_fallthru_exit_predecessor): Ditto.
+ (cfg_layout_duplicate_bb): Ditto.
+ * combine.c (update_cfg_for_uncondjump): Adjust.
+ * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
+ (bb_visited_trace): New accessor.
+ (mark_bb_visited): Move in front.
+ (rotate_loop): Use bb_visited_trace.
+ (find_traces_1_round): Ditto.
+ (emit_barrier_after): Ditto.
+ (copy_bb): Ditto, and initialize visited on resize.
+ (reorder_basic_blocks): Initize visited member.
+ (duplicate_computed_gotos): Clear bb flags at start, use
+ BB_VISITED flags.
+
+ * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
+ (rtl_verify_flow_info_1): Ditto.
+ (cfg_layout_split_block): Ditto.
+ (cfg_layout_delete_block): Ditto.
+ (cfg_layout_merge_blocks): Ditto.
+ (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
+
+2012-05-08 Hans-Peter Nilsson <hp@axis.com>
+
+ PR target/53272
+ * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
+ when a constant source operand matches an "I" constraint, the "no
+ CC0 change" applies to a register-destination only, not a
+ strict_low_part-destination.
+
+2012-05-08 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
+ to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
+
+2012-05-08 Georg-Johann Lay <avr@gjlay.de>
+
+ * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
+
+ * doc/avr-mmcu.texi: New auto-generated file.
+ * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
+ to document all valid -mmcu= arguments.
+
+ * config/avr/avr.h (arch_info_s): New struct definition.
+ * config/avr/avr-devices.c (avr_texinfo): New variable.
+ * config/avr/gen-avr-mmcu-texi.c: New file.
+ * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
+
+2012-05-08 Dehao Chen <dehao@google.com>
+
+ * predict.c (find_qualified_ssa_name): New.
+ (find_ssa_name_in_expr): New.
+ (find_ssa_name_in_assign_stmt): New.
+ (is_comparison_with_loop_invariant_p): New.
+ (is_bound_expr_similar): New.
+ (predict_iv_comparison): New.
+ (predict_loops): Add heuristic for loop-nested branches that compare an
+ induction variable to a loop bound variable.
+ * predict.def (PRED_LOOP_IV_COMPARE): New macro.
+
+2012-05-08 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
+ TARGET_BDVER2 defines where appropriate.
+
+2012-05-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ * configure.ac (PLUGIN_LD): Rename into...
+ (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
+ * config.in: Regenerate.
+ * configure: Likewise.
+ * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
+
+2012-05-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
+ computation using the precision of the index type.
+ * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
+ (fold_array_ctor_reference): Do index computations in the index type.
+
+2012-05-07 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
+ down to plus_constant.
+ (expand_epilogue): Ditto.
+
+2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
+
+ * postreload.c (reload_cse_regs): Make static.
+ * reload.h (reload_cse_regs): Remove prototype.
+
+2012-05-07 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (clear_cache): New pattern.
+
+2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/53245
+ * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
+ is folded to a type boundary value, verify that the resulting case
+ label is still a care range.
+
+2012-05-07 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
+ only for TARGET_GENERIC, when not optimizing for size.
+ (*ffs<mode>_1): Ditto.
+
+2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-cfg.c (verify_gimple_switch): Tighten checks.
+
+2012-05-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53239
+ * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
+ of DECL_BY_REFERENCE RESULT_DECL to nonnull.
+
+2012-05-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53195
+ * tree-inline.c (setup_one_parameter): Properly add referenced
+ vars from the parameters new known value.
+
+2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
+ (sched_branch_type): Remove.
+ (m68k_sched_md_init_global): Don't allocate it.
+ (m68k_sched_md_finish_global): Don't free it.
+ * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
+ * config/m68k/m68k.md: Set the type of insns using
+ m68k_sched_branch_type to bcc directly.
+
+2012-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/sol2.c (solaris_override_options): New function.
+ * config/sol2-protos.h (solaris_override_options): Declare.
+ * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
+
+2012-05-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
+ whether we failed to compute data dependences.
+ (loop_prefetch_arrays): Fail if we failed.
+
+2012-05-07 Uros Bizjak <ubizjak@gmail.com>
+ Paolo Bonzini <bonzini@gnu.org>
+
+ * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
+ Emit bsf when optimizing for size.
+ (*ffs<mode>_1): Ditto.
+
+2012-05-07 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/53250
+ * config/sh/sh.c (sh_rtx_costs): Handle SET.
+
+2012-05-06 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53227
+ * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
+ (bswapdi2): Split from bswap<mode>2. Use nonnimediate_operand
+ predicate for operand 1. Force operand 1 to register for TARGET_BSWAP.
+ (bswapsi2): Ditto.
+ (*bswapdi2_doubleword): New insn pattern.
+ (*bswap<mode>2): Rename from *bswap<mode>2_1.
+
+2012-05-06 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
+ (mips_set_reg_reg_cost): Likewise.
+ (mips_rtx_costs): Handle SET.
+
+2012-05-06 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
+ (compute_costs): Likewise for the zero extension. Use set_rtx_cost
+ to compute the cost of moves. Set the mode of the target register.
+
+2012-05-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (plus_constant, plus_constant_mode): Merge into a single
+ plus_constant function.
+ * explow.c (plus_constant, plus_constant_mode): Likewise. Assert
+ that the mode is sensible.
+ (use_anchored_address, round_push, allocate_dynamic_stack_space)
+ (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
+ plus_constant.
+
+ * alias.c (canon_rtx): Likewise.
+ (init_alias_analysis): Likewise.
+ * builtins.c (expand_builtin_return_addr)
+ (expand_builtin_setjmp_setup, expand_builtin_longjmp)
+ (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
+ (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
+ (expand_builtin_stpcpy): Likewise.
+ * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
+ (compute_argument_addresses, internal_arg_pointer_based_exp)
+ (expand_call, emit_library_call_value_1): Likewise.
+ * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
+ * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
+ * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
+ * cse.c (insert_const_anchor, find_reg_offset_for_const)
+ (use_related_value, fold_rtx): Likewise.
+ * cselib.c (cselib_subst_to_values): Likewise.
+ * dse.c (record_store, check_mem_read_rtx): Likewise.
+ * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
+ * emit-rtl.c (adjust_address_1): Likewise.
+ * except.c (sjlj_emit_function_enter)
+ (expand_builtin_extract_return_addr)
+ (expand_builtin_frob_return_addr): Likewise.
+ * expmed.c (expand_divmod): Likewise.
+ * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
+ (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
+ (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
+ * function.c (assign_stack_local_1)
+ (instantiate_virtual_regs_in_rtx): Likewise.
+ * optabs.c (prepare_cmp_insn): Likewise.
+ * recog.c (offsettable_address_addr_space_p): Likewise.
+ * reload.c (find_reloads_address, form_sum)
+ (find_reloads_subreg_address): Likewise.
+ * reload1.c (init_reload, eliminate_regs_1)
+ (eliminate_regs_in_insn): Likewise.
+ * simplify-rtx.c (simplify_unary_operation_1)
+ (simplify_binary_operation_1, simplify_plus_minus): Likewise.
+ * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
+ (vt_add_function_parameter): Likewise.
+
+ * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
+ * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
+ * config/alpha/alpha.c (alpha_legitimize_address_1)
+ (get_unaligned_address, alpha_expand_unaligned_load)
+ (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
+ (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
+ (alpha_expand_builtin_establish_vms_condition_handler)
+ (alpha_setup_incoming_varargs, emit_frame_store_1)
+ (alpha_expand_prologue, alpha_expand_epilogue)
+ (alpha_use_linkage): Likewise.
+ * config/alpha/alpha.md: Likewise.
+
+ * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
+ (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
+ (thumb_legitimize_address, arm_gen_load_multiple_1)
+ (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
+ (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
+ (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
+ (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
+ (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
+ (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
+ (thumb_expand_movmemqi, arm_set_return_address)
+ (thumb_set_return_address): Likewise.
+ * config/arm/arm.md: Likewise.
+
+ * config/avr/avr.c (avr_incoming_return_addr_rtx)
+ (avr_prologue_setup_frame, expand_epilogue)
+ (avr_const_address_lo16): Likewise.
+
+ * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
+ * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
+ (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
+ (bfin_output_mi_thunk): Likewise.
+
+ * config/c6x/c6x.c (c6x_initialize_trampoline)
+ (c6x_output_mi_thunk): Likewise.
+
+ * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
+ * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
+
+ * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
+ (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
+ (cris_emit_movem_store, cris_trampoline_init): Likewise.
+ * config/cris/cris.md: Likewise.
+
+ * config/darwin.c (machopic_indirect_data_reference)
+ (machopic_legitimize_pic_address): Likewise.
+
+ * config/epiphany/epiphany.c (epiphany_emit_save_restore)
+ (epiphany_expand_prologue, epiphany_expand_epilogue)
+ (epiphany_trampoline_init): Likewise.
+ * config/epiphany/epiphany.md: Likewise.
+
+ * config/fr30/fr30.c (fr30_move_double): Likewise.
+
+ * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
+ (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
+ (frv_index_memory, unspec_got_name, frv_find_base_term)
+ (frv_output_dwarf_dtprel): Likewise.
+
+ * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
+ (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
+
+ * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
+ * config/i386/i386.c (setup_incoming_varargs_64)
+ (setup_incoming_varargs_ms_64, choose_baseaddr)
+ (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
+ (ix86_emit_probe_stack_range, ix86_expand_prologue)
+ (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
+ (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
+ (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
+ (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
+ (x86_output_mi_thunk): Likewise.
+ * config/i386/i386.md: Likewise.
+
+ * config/ia64/ia64.c (ia64_expand_load_address)
+ (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
+ (do_spill, ia64_trampoline_init): Likewise.
+
+ * config/iq2000/iq2000.c (iq2000_va_start)
+ (iq2000_emit_frame_related_store, iq2000_expand_prologue)
+ (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
+ (iq2000_print_operand, iq2000_legitimize_address): Likewise.
+
+ * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
+
+ * config/m32c/m32c.c (m32c_return_addr_rtx)
+ (m32c_expand_insv): Likewise.
+
+ * config/m32r/m32r.c (m32r_setup_incoming_varargs)
+ (m32r_legitimize_pic_address, m32r_print_operand)
+ (m32r_print_operand_address): Likewise.
+
+ * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
+ * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
+ (EH_RETURN_HANDLER_RTX): Likewise.
+ * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
+ (m68k_expand_epilogue, legitimize_pic_address)
+ (m68k_output_mi_thunk): Likewise.
+ * config/m68k/m68k.md: Likewise.
+
+ * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
+ (mcore_expand_epilog): Likewise.
+ * config/mcore/mcore.md: Likewise.
+
+ * config/mep/mep.c (mep_allocate_initial_value)
+ (mep_expand_prologue, mep_expand_epilogue): Likewise.
+
+ * config/microblaze/microblaze.c (double_memory_operand)
+ (microblaze_block_move_loop): Likewise.
+
+ * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
+ (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
+ (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
+ (mips_expand_prologue, mips_epilogue_set_cfa)
+ (mips_expand_epilogue): Likewise.
+ * config/mips/mips.md: Likewise.
+
+ * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
+ (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
+
+ * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
+ (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
+
+ * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
+ (EH_RETURN_HANDLER_RTX): Likewise.
+ * config/moxie/moxie.c (moxie_static_chain): Likewise.
+
+ * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
+ (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
+ (pa_return_addr_rtx, hppa_builtin_saveregs)
+ (pa_trampoline_init): Likewise.
+ * config/pa/pa.md: Likewise.
+
+ * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
+
+ * config/picochip/picochip.c (picochip_static_chain): Likewise.
+
+ * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
+ * config/rs6000/rs6000.c (rs6000_legitimize_address)
+ (setup_incoming_varargs, print_operand, rs6000_return_addr)
+ (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
+ (rs6000_emit_epilogue)
+ (rs6000_machopic_legitimize_pic_address): Likewise.
+
+ * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
+
+ * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
+ (DYNAMIC_CHAIN_ADDRESS): Likewise.
+ * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
+ (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
+ (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
+ (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
+ (s390_emit_epilogue, s390_function_profiler): Likewise.
+ * config/s390/s390.md: Likewise.
+
+ * config/score/score.c (score_add_offset, score_prologue): Likewise.
+
+ * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
+ (sh_output_mi_thunk): Likewise.
+ * config/sh/sh.md: Likewise.
+
+ * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
+ (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
+ * config/sparc/sparc.c (sparc_legitimize_pic_address)
+ (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
+ (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
+ (emit_and_preserve): Likewise.
+ * config/sparc/sparc.md: Likewise.
+
+ * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
+ * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
+ (spu_setup_incoming_varargs, ea_load_store_inline)
+ (spu_expand_load): Likewise.
+
+ * config/stormy16/stormy16.c (xstormy16_expand_prologue)
+ (combine_bnp): Likewise.
+
+ * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
+ * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
+ (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
+
+ * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
+ * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
+ (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
+
+ * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
+ * config/v850/v850.md: Likewise.
+
+ * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
+ (EH_RETURN_HANDLER_RTX): Likewise.
+ * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
+ * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
+ (print_operand_address, vax_trampoline_init): Likewise.
+
+ * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
+ (xtensa_function_value_regno_p): Likewise.
+
+2012-05-04 Andrew Pinski <apinski@cavium.com>
+
+ * expr.c (get_def_for_expr_class): New function.
+ (convert_tree_comp_to_rtx): New function.
+ (expand_cond_expr_using_cmove): New function.
+ (expand_expr_real_2 <case COND_EXPR>): Call
+ expand_cond_expr_using_cmove first and return if it succeeds.
+ Remove the check for HAVE_conditional_move since we should have
+ already converted it to a conditional move.
+ * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
+ modes of DImode for 32bits and TImode.
+
+2012-05-04 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR other/29442
+ * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
+ (print_md_ptr_loc, print_c_condition): Use them.
+ * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
+ * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
+ attr_file, dfa_file, latency_file): New global variables.
+ (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
+ write_upcase, write_indent, write_length_unit_log, write_test_expr,
+ write_attr_get, write_insn_cases, write_eligible_delay,
+ write_const_num_delay_slots): Accept FILE pointer and toss it around.
+ Update all callers.
+ (write_header, open_outfile, handle_arg): New funcions.
+ (make_automaton_attrs): Write prototypes as extern to the output
+ files.
+ (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
+ names from the command line. Open the output files and write out
+ internal functions for DFA functions to dfa_file_name, insn latency
+ functions to latency_file_name, and everything else to attr_file.
+ * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
+ (BACKEND): Build libbackend first.
+ (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
+ (.PRECIOUS): Likewise.
+ (insn-dfatab.o): New rule.
+ (insn-latencytab.o): New rule.
+ (simple_rtl_generated_c): Do not include insn-attrtab.c.
+ (s-attrtab): New rule.
+
+2012-05-04 Steven Bosscher <steven@gcc.gnu.org>
+
+ * rtl.def (ATTR_FLAG): Remove probability indicating flags.
+ * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
+ ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
+ * reorg.c (get_jump_flags): Do not set the removed flags.
+
+ * doc/md.texi (attr_flag): Update for abovementioned changes.
+
+2012-05-04 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53228
+ * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
+ (TARGET_CMOV): Rename from TARGET_CMOVE.
+ (TARGET_CMOVE): New define.
+ * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
+ Do not set TARGET_CMOVE here.
+
+2012-05-04 Dodji Seketeli <dodji@redhat.com>
+
+ Enable -Wunused-local-typedefs when -Wall or -Wunused is on
+ * opts.c (finish_options): Activate -Wunused-local-typedefs if
+ -Wunused is activated.
+ * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
+
+2012-05-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md (*movmem_short, *clrmem_short)
+ (*cmpmem_short): Move the mode check from the insn condition to
+ the match_scratch.
+
+2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ PR tree-optimization/52633
+ * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
+ vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
+ (vect_recog_over_widening_pattern): Remove handling of code that was
+ already detected as over-widening pattern. Remove special handling
+ of "unsigned" cases. Instead, support general case of conversion
+ of the shift result to another type.
+
+2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * tree-vect-patterns.c (vect_single_imm_use): New function.
+ (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
+ (vect_recog_over_widening_pattern): Likewise.
+ (vect_recog_widen_shift_pattern): Likewise.
+
+2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
+ (vect_handle_widen_op_by_const): Use it instead of open-coding test.
+ (vect_recog_widen_mult_pattern): Likewise.
+ (vect_operation_fits_smaller_type): Likewise.
+ (vect_recog_over_widening_pattern): Likewise.
+ (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
+
+2012-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR lto/50602
+ * lto-wrapper.c (merge_and_complain): Complain about mismatches
+ of -freg-struct-return and -fpcc-struct-return.
+ (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
+ from the input file options and ignore those from the link
+ command line.
+
+2012-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53168
+ * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
+ memory reads when the result is a constant we can pun.
+
+2012-05-04 Richard Guenther <rguenther@suse.de>
+
+ * common.opt (flto-report): Do not mark as Optimization.
+
+2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/48496
+ * recog.c (constrain_operands): If extra constraints are present, also
+ accept pseudo-registers with equivalent memory locations during reload.
+
+2012-05-04 Olivier Hainque <hainque@adacore.com>
+
+ * collect2.c (may_unlink_output_file): New global.
+ (maybe_unlink): Honor it.
+ * collect2.h: Add extern for it.
+ * tlink.c (do_tlink): Set it to true if the link succeeded.
+
+2012-05-04 Olivier Hainque <hainque@adacore.com>
+
+ * gcc.c (eval_spec_function): Finalize/restore the current string
+ obstack state as part of the context push/pop operations.
+
+2012-05-04 Bin Cheng <bin.cheng@arm.com>
+
+ PR rtl-optimization/52804
+ * reload1.c (reload_reg_reaches_end_p): Check whether successor
+ reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
+ of current one with type RELOAD_FOR_INPADDR_ADDRESS.
+ Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
+ RELOAD_FOR_OUTADDR_ADDRESS.
+
+2012-05-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c++/24985
+ * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
+ for macro expansion.
+
+2012-05-03 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * flags.h (flag_permissive): Do not declare.
+ * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
+ option specially.
+ * toplev.c (flag_permissive): Do not define.
+ * c-tree.h (system_header_p): Delete unused.
+
+2012-05-03 David S. Miller <davem@davemloft.net>
+
+ PR target/52684
+ * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
+ MEM directly into a libcall, mark it's MEM_EXPR as addressable.
+ (sparc_emit_float_lib_cmp): Likewise.
+
+2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/53199
+ * config/rs6000/rs6000.md (bswapdi splitters): If
+ -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
+ default) is used, generate an alternate sequence that does not
+ depend on using indexed addressing.
+
+2012-05-03 Jason Merrill <jason@redhat.com>
+
+ * gengtype.c (write_types): Fix warning message.
+ (write_local): Likewise.
+
+2012-05-02 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (struct external_ref, build_local_stub): New.
+ (hash_external_ref, external_ref_eq, lookup_external_ref): New.
+ (optimize_external_refs, optimize_external_refs_1): New.
+ (change_AT_die_ref): New.
+ (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
+ (build_abbrev_table): Take the external refs hashtable.
+ (output_comp_unit): Get it from optimize_external_refs and pass it in.
+
+2012-05-03 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/53093
+ * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
+
+2012-05-03 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/53106
+ * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
+
+2012-05-03 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (die_struct): Add comdat_type_p flag. Use it instead of
+ use_debug_types to discriminate the die_id union.
+ (print_die, assign_symbol_names, copy_decls_walk): Likewise.
+ (build_abbrev_table, output_die): Likewise.
+ (prune_unused_types_walk_attribs): Likewise.
+ (generate_type_signature, copy_declaration_context): Set it.
+ (remove_child_or_replace_with_skeleton): Set it.
+ (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
+ check use_debug_types.
+ (dwarf2out_finish): Do break_out_includes after .debug_types.
+
+2012-05-03 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (modified_type_die): Use scope_die_for.
+ (gen_type_die_with_usage, dwarf2out_finish): Likewise.
+ (uses_local_type_r, uses_local_type): New.
+ (scope_die_for): Keep a type that uses a local type in local scope.
+ Use get_context_die for namespace and type scope.
+
+2012-05-03 Jason Merrill <jason@redhat.com>
+
+ * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
+ pc thunk.
+ * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
+ (dwarf2out_finish): Likewise.
+
+2012-05-03 Martin Jambor <mjambor@suse.cz>
+
+ * builtins.c (get_object_alignment_1): Return whether we can determine
+ the alignment or conservatively assume byte alignment. Return the
+ alignment by reference. Use get_pointer_alignment_1 for dereference
+ alignment.
+ (get_pointer_alignment_1): Return whether we can determine the
+ alignment or conservatively assume byte alignment. Return the
+ alignment by reference. Use get_ptr_info_alignment to get SSA name
+ alignment.
+ (get_object_alignment): Update call to get_object_alignment_1.
+ (get_object_or_type_alignment): Likewise, fall back to type alignment
+ only when it returned false.
+ (get_pointer_alignment): Update call to get_pointer_alignment_1.
+ * fold-const.c (get_pointer_modulus_and_residue): Update call to
+ get_object_alignment_1.
+ * ipa-prop.c (ipa_modify_call_arguments): Update call to
+ get_pointer_alignment_1.
+ * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
+ of MEM_REF or TARGET_MEM_REF only when it returns false.
+ * tree-ssa-ccp.c (get_value_from_alignment): Update call to
+ get_object_alignment_1.
+ (ccp_finalize): Use set_ptr_info_alignment.
+ * tree.h (get_object_alignment_1): Update declaration.
+ (get_pointer_alignment_1): Likewise.
+ * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
+ (dump_gimple_stmt): Likewise.
+ * tree-flow.h (ptr_info_def): Updated comments of fields align and
+ misalign.
+ (get_ptr_info_alignment): Declared.
+ (mark_ptr_info_alignment_unknown): Likewise.
+ (set_ptr_info_alignment): Likewise.
+ (adjust_ptr_info_misalignment): Likewise.
+ * tree-ssa-address.c (copy_ref_info): Use new access functions to get
+ and set alignment of SSA names.
+ * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
+ mark_ptr_info_alignment_unknown.
+ * tree-ssanames.c (get_ptr_info_alignment): New function.
+ (mark_ptr_info_alignment_unknown): Likewise.
+ (set_ptr_info_alignment): Likewise.
+ (adjust_ptr_info_misalignment): Likewise.
+ (get_ptr_info): Call mark_ptr_info_alignment_unknown.
+ * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
+ Likewise.
+ (bump_vector_ptr): Likewise.
+ * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
+ (vectorizable_store): Likewise.
+ (vectorizable_load): Likewise.
+
+2012-05-03 Michael Matz <matz@suse.de>
+
+ * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
+ in front of basic_block_def.
+ (struct basic_block_def): Make il.gimple the full struct, not a
+ pointer.
+ (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
+
+ * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
+ * gimple-iterator.c (gimple_stmt_iterator): Don't special case
+ NULL il.gimple, which can't happen anymore.
+ * gimple.h (bb_seq): il.gimple can't be NULL.
+ (bb_seq_add): Ditto.
+ (set_bb_seq): Adjust.
+ (gsi_start_bb, gsi_last_bb): Tidy.
+ * lto-streamer-in.c (make_new_block): Don't zero members that
+ are zeroed already, don't allocate a gimple_bb_info.
+ * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
+ (remove_bb): Clear all il.gimple members.
+ (gimple_verify_flow_info): Adjust for flat il.gimple.
+ * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
+
+ * coretypes.h (const_gimple_seq): Remove typedef.
+ * gimple.h (gimple_seq_first): Take gimple_seq.
+ (gimple_seq_first_stmt): Ditto.
+ (gimple_seq_last): Ditto.
+ (gimple_seq_last_stmt): Ditto.
+ (gimple_seq_empty_p): Ditto.
+
+2012-05-03 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
+ operations.
+ (prune_clobbered_mems): Do it here. Do not uselessly sort expressions.
+ (compute_avail): Do not add possibly trapping operations to
+ EXP_GEN if they might not be executed in the block.
+
+2012-05-03 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
+
+2012-05-03 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
+ information as early as possible. Update dominance info instead of
+ discarding it.
+
+2012-05-03 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
+ (union_contains_value): Remove.
+ (vro_valid_in_sets): Likewise.
+ (op_valid_in_sets): New function.
+ (valid_in_sets): Use op_valid_in_sets.
+ (insert_into_preds_of_block): Move dumping ...
+ (do_regular_insertion): ... here.
+ (do_partial_partial_insertion): ... and here. Dump that
+ we've found a partial partial redundancy.
+ (insert): Dump the current insert iteration.
+
+2012-05-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR plugins/53126
+ * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
+ append program name to it and pass that as first argument
+ to make_relative_prefix. Always pass standard_libexec_prefix
+ as last argument to make_relative_prefix. If
+ make_relative_prefix returns NULL, fall back to
+ standard_libexec_prefix.
+
+ PR debug/53174
+ * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
+ removed.
+
+ PR target/53187
+ * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
+ mode, return that mode.
+
+ PR target/53194
+ * config/i386/i386-c.c (ix86_target_macros_internal): Don't
+ define __ATOMIC_HLE_* macros here.
+ (ix86_target_macros): But here, using cpp_define_formatted.
+
+2012-05-03 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53144
+ * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
+ Rename to ...
+ (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
+ with SSA name values.
+ (vn_reference_lookup_3): Adjust callers.
+
+2012-05-03 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
+
+ * config/i386/driver-i386.c (host_detect_local_cpu): Reset
+ has_fma4 for AMD processors with both fma3 and fma4 support.
+
+2012-05-03 Kirill Yukhin <kirill.yukhin@intel.com>
+
+ PR target/53201
+ * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
+ "-mno-hle".
+
+2012-05-03 Michael Matz <matz@suse.de>
+
+ PR bootstrap/53197
+ * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
+ (dse_enter_block): Properly iterate the whole sequence even
+ if the last statement was removed.
+
+2012-05-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
+ unset flag_jump_tables.
+ * stmt.c (expand_case): Remove special flag_pic case conditional
+ on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
+
+2012-05-02 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * common/config/s390/s390-common.c (s390_option_optimization_table):
+ Enable -fsched-pressure using -fsched-pressure-algorithm=model by
+ default when optimizing.
+
+2012-05-02 Martin Jambor <mjambor@suse.cz>
+
+ PR lto/52605
+ * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
+ of a variable when the contect is a function.
+
+2012-05-02 Michael Matz <matz@suse.de>
+
+ * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
+ * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
+ (const_gimple_seq_node): Remove.
+ (gimple_seq_node): Typedef as gimple.
+ (struct gimple_statement_base): Add next and prev members,
+ adjust all WORD markers in using structs.
+ (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
+ (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
+ gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
+ gimple are the same.
+ (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
+ gimple_seq, adjust.
+ (gimple_init_singleton): New function.
+ (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
+ (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
+ (gsi_stmt): Adjust.
+ (gsi_stmt_ptr): Remove.
+ (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
+
+ * gimple-iterator.c (update_bb_for_stmts): Take last parameter
+ again, adjust for above changes.
+ (update_call_edge_frequencies): Adjust for above changes.
+ (gsi_insert_seq_nodes_before): Rewrite for new data structure.
+ (gsi_insert_seq_nodes_after): Ditto.
+ (gsi_split_seq_after): Ditto.
+ (gsi_set_stmt): Ditto.
+ (gsi_split_seq_before): Ditto.
+ (gsi_remove): Ditto.
+ (gsi_insert_seq_before_without_update): Don't free sequence.
+ (gsi_insert_seq_after_without_update): Ditto.
+ (gsi_replace): Assert some more invariants.
+ (gsi_insert_before_without_update, gsi_insert_after_without_update):
+ Tidy.
+ (gsi_for_stmt): Don't search for stmt.
+ (gsi_insert_on_edge_immediate): Tidy.
+
+ * gimple.c (gimple_alloc_k): Remove "sequences".
+ (gimple_seq_cache): Remove.
+ (gimple_alloc_stat): Make stmt a singleton sequence.
+ (gimple_seq_alloc, gimple_seq_free): Remove.
+ (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
+ (gimple_copy): Ditto.
+ * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
+ create iterator from correct sequence.
+ * tree-phinodes.c (make_phi_node): Make stmt a singleton.
+
+2012-05-02 Michael Matz <matz@suse.de>
+
+ * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
+ gimple_seq.
+ (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
+ sequence, lazily allocate it.
+ (bb_seq_addr): New function.
+ (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
+ (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
+ (gsi_none): New function.
+ (gsi_start_bb): Adjust.
+ (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
+ (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
+ (gsi_last_bb): Adjust.
+ (gsi_seq): Adjust.
+ * tree-flow-inline.h (phi_nodes_ptr): New function.
+
+ * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
+ datastructure and interface change.
+ (gsi_insert_seq_before_without_update): Ditto.
+ (gsi_insert_seq_nodes_after): Ditto.
+ (gsi_insert_seq_after_without_update): Ditto.
+ (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
+ (gsi_split_seq_before): Ditto.
+ (gsi_start_phis): Adjust.
+ * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
+ (vect_transform_loop): Ditto.
+ * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
+ gimple_seq_copy): Don't use gimple_seq_alloc.
+ * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
+ (gimplify_seq_add_seq): Ditto.
+ * lto-streamer-in.c (make_new_block): Ditto.
+ * tree-cfg.c (create_bb): Ditto.
+ * tree-sra.c (initialize_parameter_reductions): Ditto.
+
+2012-05-02 Michael Matz <matz@suse.de>
+
+ * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
+ gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
+ gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
+ set_bb_seq): Move down to after gimple_statement_d definition.
+
+2012-05-02 Michael Matz <matz@suse.de>
+
+ * gimple-fold.c (gimplify_and_update_call_from_tree): Use
+ gsi_replace_with_seq, instead of inserting itself.
+ * gimple-iterator.c (gsi_replace_with_seq): New function.
+ * tree-ssa-forwprop.c (forward_propagate_comparison): Take
+ iterator instead of statement, advance it.
+ (ssa_forward_propagate_and_combine): Adjust call to above.
+
+2012-05-02 Michael Matz <matz@suse.de>
+
+ * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
+ gimple_seq_alloc.
+ * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
+ * tree-nested.c (walk_gimple_omp_for): Ditto.
+ * trans-mem.c (lower_transaction): Ditto.
+ * tree-eh.c (do_return_redirection): Ditto.
+ (do_goto_redirection): Ditto.
+ (lower_try_finally_switch): Ditto.
+ * gimplify.c (gimplify_stmt): Ditto.
+ (gimplify_scan_omp_clauses): Ditto.
+ (gimplify_omp_for): Ditto.
+ (gimplify_function_tree): Ditto.
+ * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
+ * tree-mudflap.c (mf_decl_cache_locals): Ditto.
+ (mf_build_check_statement_for): Ditto.
+ (mx_register_decls): Ditto.
+ * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
+ and don't use itertors to append.
+ (insert_stmts): Ditto.
+ (insert_out_of_ssa_copy): Ditto.
+ (insert_out_of_ssa_copy_on_edge): Ditto.
+
+2012-05-02 Michael Matz <matz@suse.de>
+
+ * gimple.h (gimple_bind_body_ptr): New function.
+ (gimple_bind_body): Use it.
+ (gimple_catch_handler): Use gimple_catch_handler_ptr.
+ (gimple_eh_filter_failure_ptr): New function.
+ (gimple_eh_filter_failure): Use it.
+ (gimple_eh_else_n_body_ptr): New function.
+ (gimple_eh_else_n_body): Use it.
+ (gimple_eh_else_e_body_ptr): New function.
+ (gimple_eh_else_e_body): Use it.
+ (gimple_try_eval_ptr): New function.
+ (gimple_try_eval): Use it.
+ (gimple_try_cleanup_ptr): New function.
+ (gimple_try_cleanup): Use it.
+ (gimple_wce_cleanup_ptr): New function.
+ (gimple_wce_cleanup): Use it.
+ (gimple_omp_body_ptr): New function.
+ (gimple_omp_body): Use it.
+ (gimple_omp_for_pre_body_ptr): New function.
+ (gimple_omp_for_pre_body): Use it.
+ (gimple_transaction_body_ptr): New function.
+ (gimple_transaction_body): Use it.
+ (gsi_split_seq_before): Adjust to return nothing and take pointer
+ to sequence.
+ (gsi_set_stmt): Declare.
+ (gsi_replace_with_seq): Declare.
+ (walk_gimple_seq_mod): Declare.
+ * function.h (struct function <gimple_body>): Use typedef gimple_seq.
+
+ * gimple-iterator.c (gsi_set_stmt): New function.
+ (gsi_split_seq_before): Return new sequence via pointer argument.
+ (gsi_replace): Use gsi_set_stmt.
+
+ * tree-ssa-loop-im.c (move_computations_stmt): First remove
+ then insert stmt.
+ * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
+ * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
+ return new stmt.
+ (reserve_phi_args_for_new_edge): Change call to above,
+ use gsi_set_stmt.
+
+ * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
+ (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
+ iterators. Adjust call to lower_omp.
+ (lower_lastprivate_clauses): Adjust call to lower_omp.
+ (lower_reduction_clauses): Ditto.
+ (expand_omp_taskreg): Nullify non-cfg body of child_fn.
+ (lower_omp_sections): Don't explicitely count sequence length,
+ nullify lowered bodies earlier, ensure stmts are part of only
+ one sequence, adjust call to lower_omp.
+ (lower_omp_single): Ensure stmts are part of only one sequence,
+ adjust call to lower_omp.
+ (lower_omp_master): Ditto.
+ (lower_omp_ordered): Ditto.
+ (lower_omp_critical): Ditto.
+ (lower_omp_for): Ditto.
+ (lower_omp_taskreg): Ditto, tidy.
+ (lower_omp_1): Adjust calls to lower_omp.
+ (execute_lower_omp): Ditto.
+ (lower_omp): Adjust to take pointer to sequence.
+ (diagnose_sb_2): Use walk_gimple_seq_mod.
+ (diagnose_omp_structured_block_errors): Ditto and set possibly
+ changed function body.
+ * gimple-low.c (lower_function_body): Set function body after
+ it stabilizes.
+ (lower_sequence): Adjust to take pointer to sequence.
+ (lower_omp_directive): Ensure stmt isn't put twice into the
+ sequence, adjust call to lower_sequence.
+ (lower_stmt): Adjust calls to lower_sequence.
+ (lower_gimple_bind): Ditto.
+ (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
+ * tree-nested.c (walk_body): Take pointer to sequence, use
+ walk_gimple_seq_mod.
+ (walk_function): Adjust call to walk_body, set possibly changed body.
+ (walk_gimple_omp_for): Adjust calls to walk_body.
+ (convert_nonlocal_omp_clauses): Ditto.
+ (convert_nonlocal_reference_stmt): Ditto.
+ (convert_local_omp_clauses): Ditto.
+ (convert_local_reference_stmt): Ditto.
+ (convert_tramp_reference_stmt): Ditto.
+ (convert_gimple_call): Ditto.
+ (convert_nl_goto_reference): Use local iterator copy.
+ * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
+ but taking pointer to sequence, ensure gsi_start is called with
+ callers lvalue.
+ (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
+ asserting that the sequence head didn't change.
+ (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
+ walk_gimple_seq_mod.
+ * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
+ (execute_lower_tm): Ditto, and set possibly changed body.
+ * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
+ call gsi_start with that lvalue.
+ (replace_goto_queue_stmt_list): Ditto.
+ (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
+ (replace_goto_queue): Ditto.
+ (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
+ (lower_try_finally_onedest): Ditto.
+ (lower_try_finally_copy): Ditto.
+ (lower_try_finally_switch): Ditto.
+ (lower_try_finally): Ditto.
+ (lower_eh_filter): Ditto.
+ (lower_eh_must_not_throw): Ditto.
+ (lower_cleanup): Ditto.
+ (lower_eh_constructs_2): Ditto.
+ (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
+ (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
+ set possibly changed body.
+ (optimize_double_finally): Call gsi_start with lvalue.
+
+ * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
+ (gimple_split_block): Ditto.
+ (gimple_merge_blocks): Use gsi_start_phis.
+ (move_stmt_r): Use walk_gimple_seq_mod.
+ * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
+ * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
+ (rebuild_cgraph_edges): Ditto.
+ (cgraph_rebuild_references): Ditto.
+ * ipa-prop.c (ipa_analyze_params_uses): Ditto.
+ * tree-inline.c (copy_phis_for_bb): Ditto.
+ * tree-ssa-dce.c: Ditto.
+
+ * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
+
+2012-05-02 Kirill Yukhin <kirill.yukhin@intel.com>
+ Andi Kleen <ak@linux.intel.com>
+
+ * coretypes.h (MEMMODEL_MASK): New.
+ * builtins.c (get_memmodel): Add val. Call target.memmodel_check
+ and return new variable.
+ (expand_builtin_atomic_exchange): Mask memmodel values.
+ (expand_builtin_atomic_compare_exchange): Ditto.
+ (expand_builtin_atomic_load): Ditto.
+ (expand_builtin_atomic_store): Ditto.
+ (expand_builtin_atomic_clear): Ditto.
+ * doc/extend.texi: Mention port-dependent memory model flags.
+ * config/i386/cpuid.h (bit_HLE): New.
+ * config/i386/driver-i386.c (host_detect_local_cpu): Detect
+ HLE support.
+ * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
+ * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
+ (ix86_target_string)<-mhle>: New.
+ (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
+ * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
+ (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
+ (ix86_option_override_internal) <PTA_HLE>: New switch, set it
+ enabled for generic, generic64 and core-avx2.
+ (ix86_print_operand): Generate HLE lock prefixes.
+ (ix86_memmodel_check): New.
+ (TARGET_MEMMODEL_CHECK): Ditto.
+ * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
+ (IX86_HLE_ACQUIRE): Ditto.
+ (IX86_HLE_RELEASE): Ditto.
+ * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
+ * config/i386/i386.opt (mhle): Ditto.
+ * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
+ success model to instruction emitter.
+ (atomic_fetch_add<mode>): Ditto.
+ (atomic_exchange<mode>): Ditto.
+ (atomic_add<mode>): Ditto.
+ (atomic_sub<mode>): Ditto.
+ (atomic_<code><mode>): Ditto.
+ (*atomic_compare_and_swap_doubledi_pic): Ditto.
+ (atomic_compare_and_swap_single<mode>): Define and use argument
+ for success model.
+ (atomic_compare_and_swap_double<mode>): Ditto.
+ * configure.ac: Check if assembler support HLE prefixes.
+ * configure: Regenerate.
+ * config.in: Ditto.
+
+2012-05-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/53153
+ * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
+ split out from ...
+ (gimplify_switch_expr): ... here.
+ * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
+ * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
+ to clean up case labels with values outside the index type range.
+ (simplify_gimple_switch): Call it if something changed.
+ Remove strange and unnecessary assert.
+
+2012-05-02 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (div_if_zero_remainder): sizetypes no longer
+ sign-extend.
+ (int_const_binop_1): New worker for int_const_binop with
+ overflowable parameter. Pass it through to force_fit_type_double.
+ (int_const_binop): Wrap around int_const_binop_1 with overflowable
+ equal to one.
+ (size_binop_loc): Call int_const_binop_1 with overflowable equal
+ to minus one, forcing overflow detection for even unsigned types.
+ (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
+ (fold_binary_loc): Call try_move_mult_to_index with signed offset.
+ * stor-layout.c (initialize_sizetypes): sizetypes no longer
+ sign-extend.
+ (layout_type): For zero-sized arrays ignore overflow on the
+ size calculations.
+ * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
+ (bit_value_binop_1): Likewise.
+ * tree.c (double_int_to_tree): Likewise.
+ (double_int_fits_to_tree_p): Likewise.
+ (force_fit_type_double): Likewise.
+ (host_integerp): Likewise.
+ (int_fits_type_p): Likewise.
+ * varasm.c (output_constructor_regular_field): Sign-extend the
+ field-offset to cater for negative offsets produced by the Ada
+ frontend.
+ * omp-low.c (extract_omp_for_data): Convert the loop step to
+ signed for pointer adjustments.
+
+2012-05-02 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (valid_constant_size_p): New function.
+ * tree.h (valid_constant_size_p): Declare.
+ * cfgexpand.c (expand_one_var): Adjust check for too large
+ variables by using valid_constant_size_p.
+ * varasm.c (assemble_variable): Likewise.
+
+ * c-decl.c (grokdeclarator): Properly check for sizes that
+ cover more than half of the address-space.
+
+2012-05-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/53163
+ * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
+ return value from compute_all_dependences.
+
+ PR rtl-optimization/53160
+ * ree.c (combine_reaching_defs): Handle the case where cand->insn
+ has been modified by ree pass already.
+
+2012-05-01 Ian Lance Taylor <iant@google.com>
+
+ PR c/37303
+ * c-decl.c (build_compound_literal): Make the decl readonly if it
+ an array of a readonly type.
+ * gimplify.c (gimplify_compound_literal_expr): Add fallback
+ parameter. Change all callers. If the decl is not addressable
+ and is not an l-value, make it readonly.
+
+2012-05-01 Bernd Schmidt <bernds@codesourcery.com>
+
+ * ira.c (allocated_reg_info_size): New static variable.
+ (expand_reg_info): Manage it. Call
+ setup_preferred_alternate_classes_for_new_pseudos.
+ (ira): Don't do it here. Remove local allocated_reg_info_size,
+ set the global before calling find_moveable_pseudos.
+ (find_moveable_pseudos): Call expand_reg_info rather than
+ resize_reg_info.
+
+2012-05-01 Richard Henderson <rth@redhat.com>
+
+ * common.opt (fsync-libcalls): New.
+ * doc/invoke.texi: Document it.
+ * optabs.c (init_sync_libfuncs): Honor it.
+
+2012-05-01 Kenneth Zadeck <zadeck@naturalbridge.com>
+ Richard Sandiford <r.sandiford@uk.ibm.com>
+
+ PR rtl-optimization/52543
+ * Makefile.in (lower-subreg.o, target-globals.o): Depend on
+ lower-subreg.h.
+ * lower-subreg.h: New file.
+ * target-globals.h (this_target_lower_subreg): Declare.
+ (target_globals): Add lower_subreg;
+ (restore_target_globals): Restore this_target_lower_subreg.
+ * target-globals.c: Include it.
+ (default_target_globals): Add default_target_lower_subreg.
+ (save_target_globals): Initialize target_lower_subreg.
+ * rtl.h (init_lower_subreg): Added declaration.
+ * toplev.c (backend_init_target): Call initializer for lower-subreg
+ pass.
+ * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
+ (default_target_lower_subreg): New variable.
+ (this_target_lower_subreg): Likewise.
+ (twice_word_mode, choices): New macros.
+ (shift_cost, compute_splitting_shift, compute_costs)
+ (init_lower_subreg): New functions.
+ (resolve_simple_move): Add speed_p argument. Check choices.
+ (find_pseudo_copy): Don't check the mode size here.
+ (resolve_simple_move): Assert the mode size.
+ (find_decomposable_shift_zext): Add speed_p argument and return
+ a bool. Check choices.
+ (resolve_shift_zext): Add comment.
+ (dump_shift_choices, dump_choices): New functions.
+ (decompose_multiword_subregs): Dump list of profitable
+ transformations. Add code to skip non profitable transformations.
+ Update calls to simple_move and find_decomposable_shift_zext.
+
+2012-05-01 Ian Bolton <ian.bolton@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <greta.yorsh@arm.com>
+
+ * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
+ (thumb1_unexpanded_epilogue): ...this.
+ * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
+ (thumb1_unexpanded_epilogue): ...this.
+ * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
+ (thumb1_unexpanded_epilogue): ...this.
+
+2012-05-01 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
+ comparing enumeration values. Update comments.
+
+2012-05-01 Alan Modra <amodra@gmail.com>
+
+ PR target/53038
+ * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
+ load_cr_save, add_crlr_cfa_restore): New functions.
+ (rs6000_restore_saved_cr): Rename to..
+ (restore_saved_cr): ..this. Add cfa_restore notes for cr.
+ (rs6000_emit_epilogue): Use new functions. Adjust condition
+ for emitting lr and cr cfa_restore. Emit cfa_restores for fp
+ regs when using out-of-line restore only when shrink wrapping.
+
+2012-04-30 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/53136
+ * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
+ calls to cgraph_node_name in xstrdup.
+ (ipa_make_edge_direct_to_target): Ditto.
+ * cgraph.c (dump_cgraph_node): Ditto.
+ * tree-sra.c (convert_callers_for_node): Ditto.
+ * lto-symtab.c (lto_cgraph_replace_node): Ditto.
+ * ipa-cp.c (perhaps_add_new_callers): Ditto.
+ * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
+ (cgraph_materialize_all_clones): Ditto.
+ * ipa-inline.c (report_inline_failed_reason): Ditto.
+ (want_early_inline_function_p): Ditto.
+ (edge_badness): Ditto.
+ (update_edge_key): Ditto.
+ (flatten_function): Ditto.
+ (ipa_inline): Ditto.
+ (inline_always_inline_functions): Ditto.
+ (early_inline_small_functions): Ditto.
+
+2012-04-30 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53141
+ * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
+ constraints 0 and 1.
+
+012-04-30 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
+ (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
+ (cgraph_add_to_same_comdat_group): Remove.
+ (cgraph_add_asm_node): Move to cgraphunit.c.
+ (cgraph_make_decl_local): Move to symtab.c
+ (cgraph_make_node_local_1): Update.
+ (cgraph_can_remove_if_no_direct_calls_and): Update.
+ (used_from_object_file_p): Update.
+ (resolution_used_from_other_file_p): Move to symtab.c
+ (cgraph_used_from_object_file_p): move to symtab.c
+ (verify_cgraph_node): Verify same comdat groups.
+ * cgraph.h (cgraph_asm_node): Rename to ...
+ (asm_node): ... this one.
+ (cgraph_asm_nodes): Rename to ...
+ (asm_nodes): ... this one.
+ (symtab_add_to_same_comdat_group): New function.
+ (symtab_dissolve_same_comdat_group_list): New function.
+ (symtab_used_from_object_file_p): Declare.
+ (symtab_make_decl_local): Declare.
+ (cgraph_add_to_same_comdat_group): Remove.
+ (cgraph_add_asm_node): Remove.
+ (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
+ Remove.
+ (cgraph_finalize_compilation_unit): Rename to ...
+ (finalize_compilation_unit): ... this one.
+ (cgraph_optimize): Rename to ....
+ (compile): ... this one.
+ (add_asm_node): Declare.
+ (fixup_same_cpp_alias_visibility): Declare.
+ (cgraph_make_decl_local): Remove.
+ (varpool_assemble_pending_decls): Rename to ...
+ (varpool_output_variables): ... this one.
+ (varpool_remove_unreferenced_decls): Remove.
+ * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
+ (preserve_function_body_p): Make static.
+ * toplev.c (compile_file): Update comments; update.
+ * cgraphunit.c: Update comments.
+ (cgraph_expand_all_functions): Rename to ...
+ (expand_all_functions): ... this one; update.
+ (cgraph_mark_functions_to_output): Rename to ...
+ (mark_functions_to_output): ... this one; cleanup.
+ (cgraph_output_pending_asms): Remove prototype.
+ (asm_nodes, asm_last_node): New static vars.
+ (cgraph_process_new_functions): Update.
+ (cgraph_reset_node): Cleanup; add comment.
+ (cgraph_add_new_function): Update.
+ (cgraph_output_pending_asms): Rename to ...
+ (output_asm_statements): ... this one.
+ (add_asm_node): New function.
+ (fixup_same_cpp_alias_visibility): New function based on code
+ in cgraph_analyze_function.
+ (cgraph_analyze_function): Use it.
+ (cgraph_order_sort): Update.
+ (cgraph_output_in_order): Update.
+ (cgraph_function_versioning): Update.
+ (cgraph_optimize): Rename to ...
+ (compile): ... this one; initialize streamer hooks here.
+ (cgraph_finalize_compilation_unit): Rename to ...
+ (finalize_compilation_unit): ... this one; do not initialize streamer
+ hook here.
+ * lto-streamer-out.c (lto_output_toplevel_asms): Update.
+ * dwarf2out.c: Update ocmment.
+ * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
+ * method.c (use_thunk): Likewise.
+ * semantics.c (maybe_add_lambda_conv_op): Likewise.
+ * decl2.c (maybe_emit_vtables): Likewise.
+ (cp_write_global_declarations): Use finalize_compilation_unit.
+ * parser.c (cp_parser_asm_definition): Use add_asm_node.
+ * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
+ * c-decl.c (c_write_global_declarations): Use
+ finalize_compilation_unit.
+ * langhooks.c (write_global_declarations): Update.
+ * ipa.c (cgraph_externally_visible_p): Update.
+ (dissolve_same_comdat_group_list): Remove.
+ (function_and_variable_visibility): Update.
+ * symtab.c: Inlcude lto-streamer.h and rtl.h
+ (ld_plugin_symbol_resolution_names): New.
+ (symtab_add_to_same_comdat_group): New.
+ (symtab_dissolve_same_comdat_group_list): New.
+ (resolution_used_from_other_file_p): Move here from cgraph.c
+ (symtab_used_from_object_file_p): New.
+ (symtab_make_decl_local): New.
+ * passes.c (register_pass): Update comments.
+ * c-parser.c (c_parser_asm_definition): Update.
+ * varpool.c (varpool_analyze_node): Use
+ fixup_same_cpp_alias_visibility.
+ (varpool_remove_unreferenced_decls): Make static.
+ (varpool_assemble_pending_decls): Rename to ...
+ (varpool_output_variables): ... this one; call
+ varpool_remove_unreferenced_decls.
+ (varpool_used_from_object_file_p): Remove.
+
+2012-04-30 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c++/51033
+ * c-typeck.c (build_array_ref): Call
+ convert_vector_to_pointer_for_subscript.
+ * doc/extend.texi (Vector Extensions): Subscripting not just for C.
+
+2012-04-30 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
+ to compile-time "mode == <MODE>mode" checks.
+ (and splitter): Ditto.
+
+2012-04-30 Richard Henderson <rth@redhat.com>
+
+ * config/arm/arm.md (UNSPEC_LL): New.
+ * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
+ (arm_load_exclusivedi): Use %H0.
+
+2012-04-30 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (comdat_symbol_id): Add const.
+ (union die_symbol_or_type_node): Add const to die_symbol.
+ (output_die_symbol, output_die, output_comp_unit): Adjust.
+
+2012-04-30 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
+ * config/arm/neon.md (negdi2_neon): New insn.
+ Also add splitters for core and NEON registers.
+
+2012-04-30 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/arm/arm.c (neon_valid_immediate): Allow const_int.
+ (arm_print_operand): Add 'x' format.
+ * config/arm/constraints.md (Dn): Allow const_int.
+ * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
+ Use 'x' format to print constants.
+ * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
+ * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
+ is enabled.
+ (movdi_vfp_cortexa8): Likewise.
+
+2012-04-30 Ian Bolton <ian.bolton@arm.com>
+ Sameera Deshpande <sameera.deshpande@arm.com>
+ Greta Yorsh <greta.yorsh@arm.com>
+
+ * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
+ * config/arm/arm.c (ldm_stm_operation_p): New function.
+ * config/arm/predicates.md (load_multiple_operation): Update predicate.
+ (store_multiple_operation): Likewise.
+
+ * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
+ * config/arm/arm.c (ldm_stm_operation_p): New parameters.
+ * config/arm/predicates.md (load_multiple_operation): Add arguments.
+ (store_multiple_operation): Likewise.
+
+2012-04-30 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (and<mode>3): Expand masking operations with
+ 0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
+ (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
+
+2012-04-30 Dodji Seketeli <dodji@redhat.com>
+
+ Add -Wvarargs option
+ * builtins.c (fold_builtin_next_arg): Use OPT_Wvarargs as an
+ argument for the various warning_at calls.
+ * docs/invoke.texi: Update the documentation.
+
+2012-04-30 Dodji Seketeli <dodji@redhat.com>
+
+ Switch -ftrack-macro-expansion=2 on by default.
+ * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
+ by default.
+
+ Fix va_start related location
+ * builtins.c (fold_builtin_next_arg): Unwinds to the first
+ location in real source code.
+
+ Make conversion warnings work on NULL with -ftrack-macro-expansion
+ * input.h (expansion_point_location_if_in_system_header): Declare
+ new function.
+ * input.c (expansion_point_location_if_in_system_header): Define it.
+
+ Fix -Wuninitialized for -ftrack-macro-expansion
+ * tree-ssa.c (warn_uninit): Use the spelling location of the variable
+ declaration. Use linemap_location_before_p for source locations.
+
+ Strip "<built-in>" loc from displayed expansion context
+ * input.c (expand_location_1): When expanding to spelling location
+ in a context of a macro expansion, skip reserved system header
+ locations. Update comments. * tree-diagnostic.c
+ (maybe_unwind_expanded_macro_loc): Likewise.
+
+ Make expand_location resolve to locus in main source file
+ * input.c (expand_location_1): New. Takes a parameter to choose
+ whether to resolve the location to spelling or expansion point.
+ Was factorized from ...
+ (expand_location): ... here.
+ (expand_location_to_spelling_point): New. Implemented in terms of
+ expand_location_1.
+ * diagnostic.c (diagnostic_build_prefix): Use the new
+ expand_location_to_spelling_point instead of expand_location.
+
+ Fix PCH crash on GTYed pointer-to-scalar field of a struct
+ * gengtype.c (write_types_process_field): Force second argument of
+ the call to the PCH object hierarchy walker to be 'x'.
+
+2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
+ predicate to discriminate types.
+
+2012-04-30 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Wmissing-format-attribute): Document as an
+ alias of Wsuggest-attribute=format.
+ * c-typeck.c (convert_for_assignment): Replace
+ Wmissing-format-attribute with Wsuggest-attribute=format.
+ (digest_init): Likewise.
+
+2012-04-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
+ * common.opt (Wmissing-noreturn): Alias of
+ -Wsuggest-attribute=noreturn.
+
+2012-04-29 Hans-Peter Nilsson <hp@axis.com>
+
+ PR target/53156
+ * config/cris/cris.md (andqu): New peephole2.
+ (andu): Tweak head comment.
+
+2012-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
+ Steven Bosscher <steven@gcc.gnu.org>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ PR tree-optimization/38785
+ * common.opt (ftree-partial-pre): New option.
+ * doc/invoke.texi: Document it.
+ * opts.c (default_options_table): Initialize flag_tree_partial_pre.
+ * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
+ benefit speed path.
+ (execute_pre): Use flag_tree_partial_pre.
+
+2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/52999
+ * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
+ in constant pool.
+
+2012-04-27 Ollie Wild <aaw@google.com>
+
+ * doc/invoke.texi (Wliteral-suffix): Document new option.
+
+2012-04-27 Tom Tromey <tromey@redhat.com>
+
+ * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
+ (dwarf_tag_name): Use get_DW_TAG_name.
+ (dwarf_attr_name): Use get_DW_AT_name.
+ (dwarf_form_name): Use get_DW_FORM_name.
+ * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
+
+2012-04-27 Paolo Bonzini <bonzini@gnu.org>
+
+ * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
+ arguments are -1 and 0, by negating the result of the conditional.
+
+2012-04-27 Paolo Bonzini <bonzini@gnu.org>
+
+ PR target/53138
+ * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
+
+2012-04-27 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (is_hidden_global_store): Remove.
+ * tree-ssa-sink.c (is_hidden_global_store): Likewise.
+ * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
+ (stmt_may_clobber_global_p): Likewise.
+ * tree-ssa-alias.c (ref_may_alias_global_p): New function.
+ (stmt_may_clobber_global_p): Likewise.
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
+ stmt_may_clobber_global_p.
+ * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
+
+2012-04-27 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
+ place.
+
+ * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
+ reorganize some fields and update comments. Rename bit_test_uniq
+ and bit_test_count to uniq resp. count. Remove bit_test_bb.
+ (collect_switch_conv_info): New function, collects info about a
+ GIMPLE_SWITCH into a struct switch_conv_info.
+ (check_range): Simplify to use pre-recorded info. Fix think-o in
+ range-branch ratio check.
+ (check_process_case): Remove function.
+ (check_all_empty_except_final): New function, verifies that all
+ non-final basic blocks are empty.
+ (process_switch): Simplify to use pre-recorded info. Call
+ collect_switch_conv_info to do that. Assert that degenerate switch
+ statements have been cleaned up.
+
+2012-04-27 Marc Glisse <marc.glisse@inria.fr>
+
+ PR middle-end/27139
+ * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
+
+2012-04-25 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c/53130
+ * c-typeck.c (pop_init_level): Use %qD instead of %qT.
+
+2012-04-27 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/51879
+ * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
+ * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
+ of ...
+ (defs_to_varying): ... here. Don't set use_processed.
+ (visit_reference_op_call): Handle gimple_vdef.
+ Handle case that lhs is NULL_TREE.
+ (visit_use): Use mark_use_processed. Handle calls with side-effect
+ using visit_reference_op_call.
+
+2012-04-26 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * sched-deps.c (fixup_sched_groups): Rename to...
+ (chain_to_prev_insn): ...this.
+ (chain_to_prev_insn_p): New function.
+ (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
+
+2012-04-26 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * sched-int.h (_haifa_insn_data): Move priority_status.
+ Add model_index.
+ (INSN_MODEL_INDEX): New macro.
+ * haifa-sched.c (insn_delay): New function.
+ (sched_regno_pressure_class): Update commentary.
+ (mark_regno_birth_or_death): Pass the liveness bitmap and
+ pressure array as arguments, instead of using curr_reg_live and
+ curr_reg_pressure. Only update the pressure if the bit in the
+ liveness set has changed.
+ (initiate_reg_pressure_info): Always trust the live-in set for
+ SCHED_PRESSURE_MODEL.
+ (initiate_bb_reg_pressure_info): Update call to
+ mark_regno_birth_or_death.
+ (dep_list_size): Take the list as argument.
+ (calculate_reg_deaths): New function, extracted from...
+ (setup_insn_reg_pressure_info): ...here.
+ (MODEL_BAR): New macro.
+ (model_pressure_data, model_insn_info, model_pressure_limit)
+ (model_pressure_group): New structures.
+ (model_schedule, model_worklist, model_insns, model_num_insns)
+ (model_curr_point, model_before_pressure, model_next_priority):
+ New variables.
+ (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
+ (MODEL_INSN_INFO, MODEL_INSN): New macros.
+ (model_index, model_update_limit_points_in_group): New functions.
+ (model_update_limit_points, model_last_use_except): Likewise.
+ (model_start_update_pressure, model_update_pressure): Likewise.
+ (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
+ (model_excess_cost, model_dump_pressure_points): Likewise.
+ (model_set_excess_costs): Likewise.
+ (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
+ SCHED_PRIORITY_MODEL. Use insn_delay. Use the order in the model
+ schedule as an alternative tie-breaker. Update the call to
+ dep_list_size.
+ (ready_sort): Call model_set_excess_costs.
+ (update_register_pressure): Update call to mark_regno_birth_or_death.
+ Rely on that function to check liveness rather than doing it here.
+ (model_classify_pressure, model_order_p, model_add_to_worklist_at)
+ (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
+ (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
+ (model_record_pressure, model_record_pressures): New functions.
+ (model_record_final_pressures, model_add_successors_to_worklist)
+ (model_promote_predecessors, model_choose_insn): Likewise.
+ (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
+ (model_start_schedule, model_finalize_pressure_group): Likewise.
+ (model_end_schedule): Likewise.
+ (schedule_insn): Say when we're scheduling the next instruction
+ in the model schedule.
+ (schedule_insn): Handle SCHED_PRESSURE_MODEL.
+ (queue_to_ready): Do not add instructions that are
+ MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
+ Always allow the next instruction in the model schedule to be added.
+ (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
+ and delay for SCHED_PRESSURE_MODEL too.
+ (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
+ SCHED_PRIORITY_MODEL, but also take the DFA into account.
+ (schedule_block): Call model_start_schedule and model_end_schedule.
+ Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
+ (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
+ to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
+ region_ref_regs.
+ (sched_finish): Update accordingly.
+ (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
+ to SCHED_PRESSURE_MODEL.
+ (add_jump_dependencies): Update call to dep_list_size.
+ (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
+ (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
+ to SCHED_PRESSURE_MODEL.
+ * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
+ allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
+ (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
+ handling to SCHED_PRESSURE_MODEL.
+
+2012-04-26 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * common.opt (fsched-pressure-algorithm=): New option.
+ * flag-types.h (sched_pressure_algorithm): New enum.
+ * sched-int.h (sched_pressure_p): Replace with...
+ (sched_pressure): ...this new variable.
+ * haifa-sched.c (sched_pressure_p): Replace with...
+ (sched_pressure): ...this new variable.
+ (sched_regno_pressure_class, rank_for_schedule, ready_sort)
+ (update_reg_and_insn_max_reg_pressure, schedule_insn)
+ (debug_ready_list, prune_ready_list, schedule_block, sched_init)
+ (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
+ * sched-deps.c (init_insn_reg_pressure_info): Likewise.
+ (sched_analyze_insn): Likewise.
+ * sched-rgn.c (schedule_region): Likewise.
+ * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
+
+2012-04-26 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR middle-end/52997
+ * ira.c (find_moveable_pseudos): Call resize_reg_info.
+
+ PR middle-end/52940
+ * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
+ * expr.c (convert_move): Honor unsignedp when extending partial int
+ modes.
+ * genmodes.c (complete_mode): Don't clear component field of partial
+ int modes.
+ (emit_mode_inner): Don't emit it however.
+ (calc_wider_mode): Partial int modes widen to their component.
+
+2012-04-26 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/niagara4.md: New file.
+ * config/sparc/sparc.md: Include it.
+ * config/sparc/sparc.c (niagara4_costs): New processor costs.
+ (sparc_option_override): Use it.
+ (sparc_use_sched_lookahead): Return 2 for niagara4.
+ (sparc_issue_rate): Likewise.
+
+ * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
+ (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
+ (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
+ fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
+ (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
+ alignaddrldi_vis): Set type to gsr.
+ (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
+ (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
+ cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
+ v<vis3_shift_patname><mode>3, fmean16_vis,
+ fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
+ fucmp<code>8<P:mode>_vis): Set type to fga.
+ * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
+ * config/sparc/niagara.md: Likewise.
+ * config/sparc/niagara2.md: Likewise.
+ * config/sparc/ultra3.md: Likewise, and fix type matching for
+ us3_ialuX reservation.
+
+2012-04-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * reload.c (find_reloads): Change the loop nesting when trying an
+ alternative with swapped operands.
+
+2012-04-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
+ comment. Delete unused parameter first_exp_point_map.
+ (virt_loc_aware_diagnostic_finalizer): Update call.
+
+2012-04-26 Michael Hope <michael.hope@linaro.org>
+ Richard Earnshaw <rearnsha@arm.com>
+
+ * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
+ (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
+ (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
+ (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
+
+2012-04-25 Sriraman Tallam <tmsriram@google.com>
+
+ * doc/extend.texi: Document avx2 support.
+ * config/i386/i386.c (fold_builtin_cpu): Add avx2.
+
+2012-04-26 Hans-Peter Nilsson <hp@axis.com>
+
+ PR target/53120
+ * config/cris/cris.md ("*andhi_lowpart_v32")
+ ("*andqi_lowpart_v32"): Change first input-only operand from
+ a (match_operand ...) to (match_dup 0). Drop alternatives with
+ const_int-matching constraints for redundancy.
+ ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
+ three-operand alternative.
+
+2012-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/53110
+ * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
+ instead expand it as zero extension.
+
+2012-04-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR debug/52857
+ * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
+
+2012-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * common.opt (flag_debug_types_section): Default to 0.
+ (dwarf_version): Default to 4.
+ (dwarf_record_gcc_switches): Default to 1.
+ (dwarf_strict): Default to 0.
+ * toplev.c (process_options): Don't handle dwarf_strict
+ or dwarf_version here.
+ * config/vxworks.c (vxworks_override_options): Don't
+ test whether dwarf_strict or dwarf_version are negative,
+ instead test !global_options_set.x_dwarf_*.
+ * config/darwin.c (darwin_override_options): Default to
+ dwarf_version 2.
+ * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
+ and -fno-debug-types-section are now the default.
+
+2012-04-25 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c: Update toplevel comment.
+ (tree_rest_of_compilation): Merge into cgraph_expand_function.
+ (cgraph_analyze_function): Make static.
+ (cgraph_decide_is_function_needed): Make static.
+ (cgraph_add_new_function): Use expand_function instead of
+ rest_of_compilation.
+ (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
+ verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
+ Move to cgraph.c
+ (cgraph_inline_p): Remove.
+ (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
+ (init_cgraph): Add comment.
+ * cgraphbuild.c (record_reference, mark_address, mark_load,
+ mark_store): Do not call analyze_expr hook.
+ * cgraph.c: Update toplevel comment.
+ (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
+ verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
+ Move fere from cgraphunit.c
+ (cgraph_mark_force_output_node): Move to cgraph.h
+ * cgraph.h: Reorder so the comments match the function placement.
+ (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
+ (cgraph_mark_force_output_node): Move here from cgraph.c
+ * tree.c (free_lang_data): Do not clear analyze_expr hook.
+ * ipa-inline-transform.c (preserve_function_body_p): New function.
+ (inline_transform): Update.
+ * langhooks.c (lhd_callgraph_analyze_expr): Remove.
+ * langhooks.h (lang_hooks_for_callgraph): Remove.
+ (lang_hooks): Remove callgraph.
+ * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
+ * varpool.c: Remove out of date comment.
+ * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
+ (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
+
+2012-04-25 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/53089
+ * cgraphunit.c (referred_to_p): Move ahead in file to avoid
+ forward declaration.
+ (cgraph_finalize_function): Finalize them here.
+ * symtab.c (dump_symtab): Dump ctors and dtors.
+
+2012-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52979
+ * stor-layout.c (get_best_mode): Don't return mode with bitsize
+ larger than maxbits. Don't compute maxbits modulo align.
+ Also check that unit bytes long store at bitpos / unit * unit
+ doesn't affect bits beyond bitregion_end.
+ * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
+ would not fit into bitregion_start ... bitregion_end + 1 bit region.
+ (store_split_bit_field): Decrease unit close to end of bitregion_end
+ if access is restricted in order to avoid mutual recursion.
+
+ PR tree-optimization/53058
+ * double-int.h (double_int_max_value, double_int_min_value): New
+ prototypes.
+ * double-int.c (double_int_max_value, double_int_min_value): New
+ functions.
+ * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
+ or GT_EXPR with double_int_max_value instead of double_int_mask.
+
+2012-04-25 Richard Guenther <rguenther@suse.de>
+
+ * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
+ * tree-vect-loop.c (vect_transform_loop): Adjust.
+ * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
+ the maximum number of iterations for the epilogue loop.
+ (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
+
+2012-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/52880
+ * c-typeck.c (set_nonincremental_init,
+ set_nonincremental_init_from_string): Pass true instead of false
+ as IMPLICIT to add_pending_init.
+
+2012-04-25 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * c-typeck.c (pop_init_level): Improve diagnostics.
+
+2012-04-25 Uros Bizjak <ubizjak@gmail.com>
+
+ * compare-elim.c (try_eliminate_compare): Also handle operands with
+ implicit extensions.
+
+2012-04-25 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
+ V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
+ SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
+ (no_global_regs_above): Delete.
+ (no_global_regs): New function.
+ (rs6000_savres_strategy): Handle vector regs. Use proper lr_save_p
+ value for load multiple test.
+ (savres_routine_syms): Increase size.
+ (rs6000_savres_routine_name, rs6000_savres_routine_sym,
+ ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
+ rather than a number of boolean flags. Update all callers.
+ (rs6000_savres_routine_name): Generate vector save/restore names.
+ (rs6000_savres_routine_sym): Handle vector regs. Delete forward decl.
+ (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
+ (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
+ and using_store_multiple. Expand uses. Don't always use r11 as
+ frame reg when needed for out-of-line saves. Set up initial offset
+ for out-of-line vector saves when buying stack frame. Handle pointer
+ reg setup for out-of-line fp save. Emit call to out-of-line vector
+ save function. Choose r11 or r12 for vrsave reg when available for
+ better scheduling.
+ (rs6000_output_function_prologue): Don't emit .extern for ELF.
+ (rs6000_emit_epilogue): Choose a better frame reg when restoring
+ from back-chain to suit out-of-line vector restore functions. Emit
+ call to out-of-line vector restore function. Adjust register used
+ for cr restore. Tweak pointer register setup for gpr restore.
+ * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
+ FIXED_R13.
+ * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
+ (V_SAVE_INLINE): Define.
+ * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
+
+2012-04-25 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
+ out-of-line save/restore for large frames. Don't disable
+ out-of-line saves on ABI_AIX when using static chain reg.
+ (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
+ clobber static chain reg, and tweak for out-of-line gpr saves
+ that use r1.
+
+2012-04-25 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
+ (rs6000_emit_prologue): Use the above to catch register overlap.
+
+2012-04-25 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
+ decl. Move logic selecting update reg to callers. Update all callers.
+ (rs6000_emit_allocate_stack): Add copy_off param.
+ (emit_frame_save): Don't handle reg+reg addressing.
+ (ptr_regno_for_savres): New function, extracted from..
+ (rs6000_emit_savres_rtx): ..here. Add lr_offset param.
+ (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
+ Set frame_reg_rtx to r11 whenever r11 is needed, and merge
+ frame offset adjustment for out-of-line save with copy from sp.
+ Simplify condition controlling whether cr is saved early or
+ late. Use ptr_regno_for_savres to verify correct reg is set
+ up for out-of-line saves. Pass the actual pointer reg used to
+ rs6000_emit_savres_rtx so rtl matches insns in out-of-line
+ function. Rearrange spe vars so code is similar to that
+ elsewhere in this function. Don't update frame_off when spe
+ save code will restore r11. Use emit_frame_save for spe and
+ gpr saves. Consolidate darwin out-of-line gpr setup with that
+ for other abis. Don't assume frame_offset is zero and frame
+ reg is sp when setting up altivec reg saves, and calculate
+ exact offset requirement.
+ (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off. Tidy
+ spe restore code. Consolidate darwin out-of-line gpr setup
+ with that for other abis.
+
+2012-04-25 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
+ REG_FRAME_RELATED_EXPR note when the instruction exactly matches
+ the replacement.
+ (emit_frame_save): Delete frame_ptr param. Rename total_size to
+ frame_reg_to_sp.
+ (rs6000_emit_prologue): Add sp_off. Update rs6000_frame_related
+ and emit_frame_save calls. Cope with possibly missing note.
+
+2012-04-24 Sriraman Tallam <tmsriram@google.com>
+
+ * config/i386/i386.c (build_processor_model_struct): New function.
+ (make_var_decl): New function.
+ (fold_builtin_cpu): New function.
+ (ix86_fold_builtin): New function.
+ (make_cpu_type_builtin): New function.
+ (ix86_init_platform_type_builtins): New function.
+ (ix86_expand_builtin): Expand new builtins by folding them.
+ (ix86_init_builtins): Make new builtins to detect CPU type.
+ (TARGET_FOLD_BUILTIN): New macro.
+ (IX86_BUILTIN_CPU_INIT): New enum value.
+ (IX86_BUILTIN_CPU_IS): New enum value.
+ (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
+ * config/i386/i386-builtin-types.def: New function type.
+ * doc/extend.texi: Document builtins.
+
+2012-04-24 Olivier Hainque <hainque@adacore.com>
+
+ * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
+ * toplev.c (process_options): Default to dwarf_version 2.
+ * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
+ and dwarf_version 2.
+
+2012-04-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * tree-pretty-print.h (default_tree_printer): Do not declare.
+ * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
+ intl.h.
+ (default_tree_diagnostic_starter): Make static.
+ (default_tree_printer): Move to here. Make static.
+ (tree_diagnostics_defaults): New.
+ * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
+ * tree.c (free_lang_data): Use tree_diagnostics_defaults.
+ * toplev.c: Do not include tree-pass.h.
+ (default_tree_printer): Move from here.
+ (general_init): Use tree_diagnostics_defaults.
+
+2012-04-24 Chao-ying Fu <fu@mips.com>
+
+ * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
+ (mips*-*-linux*): Append mips/linux-common.h to tm_file.
+ * config/mips/gnu-user.h
+ (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
+ (GNU_USER_TARGET_LINK_SPEC): New define.
+ (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
+ (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
+ (GNU_USER_TARGET_MATHFILE_SPEC): New define.
+ (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
+ GNU_USER_TARGET_ENDFILE_SPEC.
+ * config/mips/gnu-user64.h (LIB_SPEC): Remove.
+ (GNU_USER_TARGET_LINK_SPEC): New define.
+ (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
+ * config/mips/linux-common.h: New file.
+
+2012-04-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR target/47197
+ * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
+ (altivec_build_resolved_builtin): Call fully_fold_convert.
+
+2012-04-24 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/53065
+ * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
+
+2012-04-24 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53085
+ * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
+ stores.
+
+2012-04-24 Richard Guenther <rguenther@suse.de>
+
+ * tree-if-conv.c (main_tree_if_conversion): Move bb under
+ ENABLE_CHECKING.
+
+2012-04-24 Jim Meyering <meyering@redhat.com>
+
+ * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
+ absence of an define_enum call.
+
+2012-04-24 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
+ the epilogue loop is not re-used as unvectorized version
+ record the its maximum number of iterations.
+
+2012-04-24 Andrew Pinski <apinski@cavium.com>
+
+ * tree-ssa-forwprop.c (simplify_bitwise_binary):
+ Don't directly use def1/def2.
+
+2012-04-24 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53098
+ * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
+ comparison sign.
+
+2012-04-24 Andrew Pinski <apinski@cavium.com>
+
+ PR tree-opt/33512
+ * tree-ssa-forwprop.c (defcodefor_name): New function.
+ (simplify_bitwise_binary): Use defcodefor_name instead of manually
+ Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
+ Simplify "(~X | Y) & X" to "X & Y" and
+ "(~X & Y) | X" to "X | Y".
+
+2012-04-24 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
+ validate_change to add clobbers if IN_GROUP is nonzero.
+ (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
+ * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
+ prototype.
+ * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
+ set to false.
+ * config/s390/s390.c (insn_invalid_p): Likewise.
+
+2012-04-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/53084
+ * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
+ (output_addressed_constants): Likewise.
+
+ PR middle-end/52999
+ * varasm.c (get_section): Don't ICE for section conflicts with
+ built-in section kinds.
+
+2012-04-23 DJ Delorie <dj@redhat.com>
+
+ * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
+ (LIBSTDCXX): Change to CPP2.
+
+2012-04-23 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/52878
+ * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
+ extra_masks.
+
+2012-04-23 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
+ (*addsi_2_zext): Ditto.
+ (*add<mode>_3): Ditto.
+ (*addsi_3_zext): Ditto.
+ (*add<mode>_5): Ditto.
+
+2012-04-23 Andrew Pinski <apinski@cavium.com>
+
+ * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
+ (C & B) to (A OP0) & B.
+
+2012-04-23 Martin Jambor <mjambor@suse.cz>
+
+ * expr.c (expand_expr_real_1): Remove setting parent's alias set for
+ temporaries created for a bitfield (reverting revision 122014).
+
+2012-04-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
+ the condition using is_gimple_condexpr and avoid the not necessary
+ boolification.
+ (set_prologue_iterations): Likewise.
+ (vect_loop_versioning): Likewise.
+
+2012-04-23 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53070
+ * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
+ (main_tree_if_conversion): Verify we succeeded in that.
+
+2012-04-23 Jan Hubicka <jh@suse.cz>
+
+ * lto-symtab.c (lto_cgraph_replace_node): Do not call
+ mark_reahcable_node.
+ * cgraph.c (cgraph_remove_node): Do not clear reachable.
+ (cgraph_mark_reachable_node): Remove.
+ (cgraph_mark_force_output_node): Do not set reachable.
+ (dump_cgraph_node): Do not dump reachable.
+ (cgraph_create_virtual_clone): Do not set reachable.
+ * cgraph.h (cgraph_node): Remove reachable flag.
+ (varpool_node): Remove reachable flag.
+ (cgraph_mark_if_needed): Remove.
+ (cgraph_mark_reachable_node): Remove.
+ * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
+ * cgraphunit.c (cgraph_finalize_function): Do not mark node as
+ reachable.
+ (cgraph_add_new_function): Likewise.
+ (cgraph_mark_if_needed): Remove.
+ (cgraph_analyze_function): Do not set target as reachable.
+ (process_function_and_variable_attributes): Do not care about
+ dllexport.
+ (cgraph_analyze_functions): Do not set reachable flags.
+ (cgraph_mark_functions_to_output): Do not check reachability.
+ (cgraph_copy_node_for_versioning): Do not set reachable flag.
+ (dbxout_expand_expr): Update.
+ * c-decl.c (merge_decls): Do not track changed externs.
+ * ipa.c: Include pointer-set.h
+ (enqueue_cgraph_node): Use reachable pointer set.
+ (process_references): Likewise.
+ (cgraph_remove_unreachable_nodes): Likewise.
+ (whole_program_function_and_variable_visibility): Do not recompute
+ reachable.
+ * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
+
+2012-04-23 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/extend.texi (AVR Named Address Spaces): Fix typos.
+
+2012-04-23 Richard Guenther <rguenther@suse.de>
+
+ PR c/53060
+ * c-typeck.c (build_binary_op): Fix typo.
+
+2012-04-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimizations/52891
+ * tree-vect-patterns.c (adjust_bool_pattern): Use
+ build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
+ but with non-standard precision.
+
+2012-04-22 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
+ tree refs.
+
+2012-04-22 Jan Hubicka <jh@suse.cz>
+
+ * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
+ * cgraphbuild.c (record_reference, record_type_list, mark_address,
+ mark_load, mark_store): Do not mark varpool nodes as needed.
+ * cgraph.c (cgraph_new_nodes): Remove.
+ (cgraph_create_function_alias): Do not mark nodes as reachable.
+ (cgraph_add_thunk): Likewise.
+ (cgraph_mark_reachable_node): Do not manage the queue.
+ * cgraph.h (cgraph_node): Remove next_needed.
+ (varpool_nodes_queue): Remove next_needed and prev_needed.
+ (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
+ (cgraph_new_nodes): Declare.
+ (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
+ (varpool_analyze_pending_decls): Remove.
+ (varpool_analyze_node): New.
+ (varpool_mark_needed_node): Remove.
+ (varpool_first_variable, varpool_next_variable): New inlines.
+ (varpool_first_static_initializer, varpool_next_static_initializer):
+ Update.
+ (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
+ (varpool_first_defined_variable): New inline.
+ (varpool_next_defined_variable): New inline
+ (FOR_EACH_VARIABLE): Reimplement.
+ (FOR_EACH_DEFINED_VARIABLE): Reimplement.
+ * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
+ needed flag.
+ * cgraphunit.c (cgraph_new_nodes): Declare here.
+ (enqueue_node): New function.
+ (cgraph_process_new_functions): update for new
+ node set; when constructing cgraph enqueue node for processing.
+ (cgraph_add_new_function): Use new node set.
+ (process_function_and_variable_attributes): Do not set varpool needed
+ flags.
+ (referred_to_p): New function.
+ (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
+ when varpool is in construction.
+ (cgraph_analyze_functions): Rewrite.
+ (cgraph_expand_all_functions): Update.
+ (cgraph_output_in_order): Do not analyze pending decls; do not set
+ needed flags.
+ (cgraph_optimize): Do not analyze pending decls.
+ * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
+ in other partition; do not mark node as needed.
+ * dwarf2out.c (reference_to_unused): Use analyzed flag.
+ (premark_types_used_by_global_vars_helper): Likewise.
+ * ipa.c (process_references): Do not call varpool_mark_needed_node.
+ (cgraph_remove_unreachable_nodes): Do not rely on varpool and
+ cgrpah queues.
+ (function_and_variable_visibility): Do not mark node as needed.
+ (whole_program_function_and_variable_visibility): Likewise.
+ * Makefile.in (gt-varpool.h): No longer needed.
+ * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
+ (ipa_write_summaries): Do not use needed flag.
+ * varpool.c: Do not include gt-varpool.h
+ (x_varpool_nodes_queue, x_varpool_last_needed_node,
+ x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
+ x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
+ Remove.
+ (varpool_remove_node): Do not update the lists.
+ (dump_varpool_node): Do not dump needed flag.
+ (varpool_enqueue_needed_node): Remove.
+ (varpool_mark_needed_node): Remove.
+ (varpool_reset_queue): Remove.
+ (varpool_finalize_decl): Move to cgraphunit.c
+ (varpool_analyze_node): New functions based on former
+ varpool_analyze_pending_decls.
+ (varpool_analyze_pending_decls): Remove.
+ (varpool_assemble_decl): Do not update the lists.
+ (enqueue_node): New function.
+ (varpool_remove_unreferenced_decls): Rewrite.
+ (varpool_empty_needed_queue): Remove.
+ (add_new_static_var): Do not mark node as needed.
+ (varpool_create_variable_alias): Handle expansion state
+ creation.
+ * except.c (output_ttype): Do not mark node as needed.
+ * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
+ * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
+ Likewise.
+ * tree-switch-conversion.c (build_one_array): Likewise.
+
+2012-04-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c/44774
+ * doc/invoke.texi (pedantic): Rename to Wpedantic.
+ * common.opt (Wpedantic): New.
+ (pedantic): Alias Wpedantic.
+ * diagnostic.c (warning_at): Likewise.
+ * c-decl.c (diagnose_mismatched_decls): Likewise.
+ (build_array_declarator): Likewise.
+ (mark_forward_parm_decls):
+ (check_bitfield_type_and_width): Likewise.
+ (grokdeclarator): Likewise.
+ (grokfield): Likewise.
+ (finish_struct): Likewise.
+ (build_enumerator): Likewise.
+ (store_parm_decls_oldstyle): Likewise.
+ (declspecs_add_qual): Likewise.
+ (declspecs_add_type): Likewise.
+ (finish_declspecs): Likewise.
+ * c-typeck.c (composite_type): Likewise.
+ (comp_target_types): Likewise.
+ (build_array_ref): Likewise.
+ (pointer_diff): Likewise.
+ (build_unary_op): Likewise.
+ (build_conditional_expr): Likewise.
+ (build_c_cast): Likewise.
+ (convert_for_assignment): Likewise.
+ (maybe_warn_string_init): Likewise.
+ (digest_init): Likewise.
+ (pop_init_level): Likewise.
+ (set_init_index): Likewise.
+ (c_finish_goto_label): Likewise.
+ (c_finish_return): Likewise.
+ (do_case): Likewise.
+ (build_binary_op): Likewise.
+ * c-parser.c (static): Likewise.
+ (c_parser_external_declaration): Likewise.
+ (c_parser_declaration_or_fndef): Likewise.
+ (c_parser_static_assert_declaration_no_se): Likewise.
+ (c_parser_enum_specifier): Likewise.
+ (c_parser_struct_or_union_specifier): Likewise.
+ (c_parser_struct_declaration): Likewise.
+ (c_parser_alignas_specifier): Likewise.
+ (c_parser_braced_init): Likewise.
+ (c_parser_initelt): Likewise.
+ (c_parser_compound_statement_nostart): Likewise.
+ (c_parser_conditional_expression): Likewise.
+ (c_parser_alignof_expression): Likewise.
+ (c_parser_postfix_expression): Likewise.
+ (c_parser_postfix_expression_after_paren_): Likewise.
+ (c_parser_objc_class_instance_variables): Likewise.
+ (c_parser_objc_method_definition): Likewise.
+ (c_parser_objc_methodprotolist): Likewise.
+
+2012-04-22 Ian Lance Taylor <iant@google.com>
+
+ * godump.c (go_output_typedef): Dump size of structs.
+
+2012-04-22 Razya Ladelsky <razya@il.ibm.com>
+
+ Correcting transform_to_exit_first_loop + fix to PR46886
+ * tree-parloops.c (transform_to_exit_first_loop): Remove
+ setting of number of iterations according to the loop pattern.
+ Duplicate from entry to exit->src instead of loop->latch.
+ (pallelize_loops): Remove the condition preventing do-while loops.
+ * tree-cfg.c (bool bb_in_region_p): New.
+ (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
+ Adjust redirection of the duplicated iteration.
+
+2012-04-21 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR bootstrap/53021
+ * rtl.def (ADDRESS): Use "i" rather than "w".
+ * rtl.h (find_base_term): Delete.
+ (may_be_sp_based_p): Declare.
+ * rtl.c (rtx_code_size): Remove ADDRESS special case.
+ * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
+ (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
+ * alias.c: ...here.
+ (find_base_term): Make static.
+ (may_be_sp_based_p): New function.
+ * dse.c (record_store): Use it.
+ * store-motion.c (store_killed_in_insn): Likewise.
+
+2012-04-21 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
+
+2012-04-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR 35441
+ * c-typeck.c (inform_declaration): New.
+ (build_function_call_vec): Do not pretty-print
+ expressions when caret is enabled.
+ (convert_arguments): Use inform_declaration.
+
+2012-04-20 Jim Meyering <meyering@redhat.com>
+
+ * genmodes.c (make_complex_modes): Don't truncate a mode name of
+ length 7 or more when prepending a "C". Suggested by Richard Guenther.
+
+2012-04-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR rtl-optimization/44214
+ * fold-const.c (exact_inverse): New function.
+ (fold_binary_loc): Fold vector and complex division by constant into
+ multiply by recripocal with flag_reciprocal_math; fold vector division
+ by constant into multiply by reciprocal with exact inverse.
+
+2012-04-20 Jan Hubicka <jh@suse.cz>
+
+ * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
+ force flags.
+ * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
+ (cgraph_remove_node): Update.
+ (cgraph_mark_needed_node): Remove.
+ (cgraph_mark_force_output_node): New.
+ (dump_cgraph_node): Do not dump needed flag.
+ (cgraph_node_cannot_be_local_p_1): Update.
+ (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
+ * cgraph.h (symtab_node_base): Add force_output flag.
+ (cgraph_node): Remove needed flag.
+ (varpool_node): Remove force_output flag.
+ (cgraph_mark_needed_node): Remove.
+ (cgraph_mark_force_output_node): New.
+ (cgraph_only_called_directly_or_aliased_p,
+ varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
+ * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
+ * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
+ (cgraph_add_new_function): Update.
+ (cgraph_mark_if_needed): Update.
+ (verify_cgraph_node): Update.
+ (cgraph_analyze_function): Alias target is reachable.
+ (process_function_and_variable_attributes): Update: externally_visible
+ flag makes function reachable.
+ (cgraph_analyze_functions): Update dumping.
+ * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
+ input_overwrite_node, input_varpool_node): Update streaming.
+ * lto-streamer-out.c (produce_symtab): Use force_output.
+ * ipa.c (process_references): Weakrefs must be processed.
+ (cgraph_remove_unreachable_nodes): Likewise; update for new
+ force_output flag.
+ (varpool_externally_visible_p): Weakrefs are externally visible
+ even if they are not.
+ (function_and_variable_visibility): Update; when processing alias
+ pair force the targets to be output.
+ (whole_program_function_and_variable_visility): Use
+ mark_reachable_node.
+ * trans-mem.c (ipa_tm_mark_needed_node): Remove
+ (ipa_tm_mark_force_output_node): New function.
+ (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
+ * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
+ aliases.
+ * varasm.c (mark_decl_referenced): Update.
+ (find_decl_and_mark_needed): Remove.
+ (find_decl): New function.
+ (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
+ alias targets as needed.
+ (dump_tm_clone_pairs): Update.
+ * tree-inline.c (copy_bb): Update check.
+ * symtab.c (dump_symtab_base): Dump force_output.
+ * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
+ * passes.c (execute_todo): Fix dumping.
+ * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
+ (varpool_analyze_pending_decls): Alias target is reachable.
+ (varpool_create_variable_alias): Finalize weakrefs.
+
+2012-04-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/53021
+ * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
+ UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
+ * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
+ macros instead of constants.
+ * dse.c (record_store): Check for SP ADDRESS by comparing
+ XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
+ XEXP to be stack_pointer_rtx.
+
+2012-04-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
+ update_call_from_tree when propagating into a call.
+
+2012-04-20 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
+ (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise. Rename
+ sp_offset to frame_off. Move world save code earlier.
+
+2012-04-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53050
+ * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
+ Do only one transform on COND_EXPRs at the same time.
+
+2012-04-19 Jan Hubicka <jh@suse.cz>
+
+ * symtab.c (dump_symtab_base): Revert accidental checkin.
+
+2012-04-20 Alan Modra <amodra@gmail.com>
+
+ PR target/53040
+ * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
+ static chain, set REST_INLINE_FPRS too.
+
+2012-04-20 Thomas Schwinge <thomas@codesourcery.com>
+
+ * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
+ nodes.
+
+2012-04-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
+ loops that can never run more often than the vectorization factor.
+
+2012-04-19 Jan Hubicka <jh@suse.cz>
+
+ * symtab.c (dump_symtab_base): Fix dumping of asm lists.
+
+2012-04-19 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
+
+2012-04-19 Jim Meyering <meyering@redhat.com>
+
+ * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
+ We verified above that the string(including trailing NUL) fits in buf,
+ so just use memcpy.
+
+2012-04-19 Richard Guenther <rguenther@suse.de>
+
+ * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
+ for dumping DECL_SECTION_NAME.
+
+2012-04-19 Michael Matz <matz@suse.de>
+
+ PR middle-end/52977
+ * tree.h (VECTOR_CST_NELTS): Use part number of types again.
+ (struct tree_vector): Adjust GTY length.
+ * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
+
+ * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
+ members.
+ (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
+ caller emitted the length calulation already.
+ (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
+ before handling any of the fields for structs.
+
+2012-04-19 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53031
+ * tree-vrp.c (adjust_range_with_scev): Revert back to
+ using max_loop_iterations.
+
+2012-04-19 Michael Matz <matz@suse.de>
+
+ * diagnostic.c (emit_diagnostic): Move va_end call after user
+ of the va_list.
+ (warning, warning_at, pedwarn, permerror): Ditto.
+
+2012-04-19 Richard Guenther <rguenther@suse.de>
+
+ * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
+ array access.
+
+2012-04-19 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/53033
+ * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
+ the case *(X+const).
+
+2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ * config/arm/sync.md (sync_optab): Change ior attribute to "or".
+
+2012-04-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c/52283/37985
+ * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
+ * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
+
+2012-04-19 Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/44688
+ * loop-iv.c (determine_max_iter): Only return max_iter.
+ (iv_number_of_iterations): Also use the recorded loop bound
+ on the maximum number of iterations.
+ * loop-unroll.c (decide_unroll_runtime_iterations): Use
+ max_iter to avoid unrolling loops that do not roll.
+ (decide_unroll_stupid): Likewise.
+
+2012-04-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * targhooks.c (default_case_values_threshold): Fix code style nit.
+
+ * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
+ case range and type folding from here...
+ * gimplify.c (gimplify_switch_expr): ... to here. Expect NULL_TREE
+ type, as documented in tree.def.
+
+2012-04-18 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
+ Declare.
+ * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
+ cgraph hash and same comdat groups.
+ (cgraph_optimize): Verify symbol table.
+ * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
+ (dissolve_same_comdat_group_list): Work on symtab nodes.
+ (function_and_variable_visibility): Dissolve variable same comdat group
+ lists, too.
+ * symtab.c: Include timevar.h
+ (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
+
+2012-04-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-switch-conversion.c (info): Remove global pass info.
+ (check_range, check_process_case, check_final_bb, create_temp_arrays,
+ free_temp_arrays, gather_default_values, build_constructors,
+ array_value_type, build_one_array, build_arrays, gen_def_assigns,
+ fix_phi_nodes, gen_inbound_check): Pass info around from ...
+ (process_switch): ... here. Unify message format. Return a const
+ char pointer to the failure reason message.
+ (do_switchconv): Unify message format. Update process_switch usage.
+
+ * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
+ * tree-cfg.c (edge_to_cases): Fix documentation.
+
+2012-04-18 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
+
+2012-04-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/52976
+ * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
+ (possibly_move_powi): New function.
+ (rewrite_expr_tree): Call possibly_move_powi.
+ (rewrite_expr_tree_parallel): Likewise.
+ (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
+ call add_to_ops_vec instead.
+
+2012-04-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/52976
+ * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
+ (decrement_power): Likewise.
+ (propagate_op_to_single_use): Likewise.
+ (zero_one_operation): Handle __builtin_pow* calls in linearized
+ expression trees; factor logic into propagate_op_to_single_use.
+ (undistribute_ops_list): Allow operands with repeat counts > 1.
+
+2012-04-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/44688
+ * cfgloop.h (record_niter_bound): Declare.
+ * tree-ssa-loop-niter.c (record_niter_bound): Export.
+ Update the estimation with the upper bound here...
+ (estimate_numbers_of_iterations_loop): ... instead of here.
+ Do not forcefully reset a recorded upper bound.
+ * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
+ Record the maximum number of loop iterations of the prologue loop.
+
+2012-04-18 Jan Hubicka <jh@suse.cz>
+
+ * lto-symtab.c (lto_cgraph_replace_node): Update.
+ * cgraphbuild.c (record_reference, record_type_list,
+ record_eh_tables, mark_address, mark_load, mark_store): Update.
+ * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
+ cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
+ Update.
+ * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
+ (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
+ * reload.c: Fix typo in comment.
+ * rtlanal.c: Likewise.
+ * tree-emultls.c (gen_emutls_addr): Update.
+ * ipa-reference.c (analyze_function): Update.
+ * cgraphunit.c (cgraph_analyze_function,
+ cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
+ Update.
+ * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
+ (ipa_remove_reference): Likewise.
+ (ipa_remove_all_refering): Rename to ...
+ (ipa_remove_all_referring): ... this one; update.
+ (ipa_dump_references): Update.
+ (ipa_dump_referring): Update.
+ (ipa_clone_references): Update.
+ (ipa_clone_refering): Rename to ...
+ (ipa_clone_referring): ... this one; update.
+ (ipa_ref_cannot_lead_to_return): Update.
+ (ipa_ref_has_aliases_p): Update.
+ * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
+ forward typedefs.
+ (ipa_ref_type): Remove.
+ (ipa_ref_ptr_u): Remove.
+ (ipa_ref): Remove referencing, refered, refered_index, refering_type
+ and refered_type; add referring, referred and referred_index.
+ (ipa_ref_list): Rename refering to referring.
+ (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
+ ipa_clone_references, ipa_clone_referring): Update prototypes.
+ * lto-cgraph.c (referenced_from_other_partition_p): Update.
+ (lto_output_ref): Update.
+ (add_references): Update.
+ (input_varpool_node): Update.
+ (input_refs): Update.
+ * ipa-ref-inline.h (ipa_ref_node): Update.
+ (ipa_ref_varpool_node): Update.
+ (ipa_ref_referring_node): Update.
+ (ipa_ref_referring_varpool_node): Update.
+ (ipa_ref_referring_ref_list): Update.
+ (ipa_ref_referred_ref_list): Update.
+ (ipa_ref_list_first_referring): Update.
+ (ipa_empty_ref_list): Update.
+ (ipa_ref_list_refering_iterate): Rename to ...
+ (ipa_ref_list_referring_iterate): ... this one.
+ * cse.c: Update comment.
+ * ipa-utils.c (ipa_reverse_postorder): Update.
+ * tree-ssa-alias.c: Update.
+ * ipa-inline.c (reset_edge_caches): Update.
+ (update_caller_keys): Update.
+ * ipa-inline.h: Update comments.
+ * jump.c: Update comment.
+ * alias.c: Likewise.
+ * ipa.c (process_references): Update.
+ (cgraph_remove_unreachable_nodes): Likewise.
+ (ipa_discover_readonly_nonaddressable_var): Likewise.
+ (cgraph_address_taken_from_non_vtable_p): Likewise.
+ * trans-mem.c (ipa_tm_execute): Update.
+ * simplify-rtx.c: Fix comment.
+ * rtl.c: Fix comment.
+ * symtab.c (symtab_unregister_node): Update.
+ * varpool.c (dump_varpool_node): Update.
+ (varpool_analyze_pending_decls): Update.
+ (assemble_aliases): Update.
+ (varpool_for_node_and_aliases): Update.
+
+2012-04-18 Richard Guenther <rguenther@suse.de>
+
+ * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
+ use_undefined_p parameter.
+ * tree-flow.h (estimate_numbers_of_iterations): Likewise.
+ * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
+ Likewise.
+ (estimate_numbers_of_iterations): Likewise.
+ (estimated_loop_iterations): Adjust.
+ (max_loop_iterations): Likewise.
+ (scev_probably_wraps_p): Likewise.
+ * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
+ * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
+ not max_loop_iterations.
+ (execute_vrp): Remove explicit number of iterations estimation.
+
+2012-04-18 Enkovich Ilya <ilya.enkovich@intel.com>
+
+ * config/i386/linux-common.h: New.
+
+ * config.gcc: Add i386/linux-common.h before
+ all i386/linux.h and i386/linux64.h usages.
+
+ * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
+ (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
+ * config/i386/gnu-user64.h: Likewise.
+
+ * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
+ (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
+ (GNU_USER_TARGET_MATHFILE_SPEC): New.
+ (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
+
+2012-04-18 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_node_name): Remove.
+ (dump_cgraph_node): Use dump_symtab_base; reformat.
+ * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
+ debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
+ Declare.
+ (cgraph_node_name, varpool_node_name): Remove.
+ (cgraph_node_asm_name, varpool_node_asm_name,
+ cgraph_node_name, varpool_node_name): New.
+ * tree-pass.h (TODO_dump_cgraph): Rename to ...
+ (TODO_dump_symtab): ... this one.
+ * ipa-cp (pass_ipa_cp): Update.
+ * ia-reference.c (generate_summary, read_write_all_from_decl,
+ propagate, ipa_reference_read_optimization_summary): Update.
+ * cgraphunit.c (cgraph_analyze_functions): Update.
+ (cgraph_optimize): Update.
+ * ipa-ref.c (ipa_dump_references): Update.
+ (ipa_dump_refering): Update.
+ * ipa-inline.c (pass_ipa_inline): Update.
+ * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
+ * ipa.c (pass_ipa_function_visibility,
+ pass_ipa_whole_program_visibility): Update.
+ * tree-sra.c (pass_early_ipa_sra): Update.
+ * symtab.c: Include langhooks.h
+ (symtab_node_asm_name): New.
+ (symtab_node_name): New.
+ (symtab_type_names): New static var.
+ (dump_symtab_base): New.
+ (dump_symtab_node, dump_symtab): New.
+ (debug_symtab_node, debug_symtab): New.
+ * tree-ssa-structalias.c: Dump symbol table.
+ * pases.c (execute_todo): Handle TODO_dump_symtab instead
+ of TODO_dump_cgraph.
+ * varpoo.c (varpool_node_name): Remove.
+ (dump_varpool_node): Use dump_symtab_base; reformat.
+
+2012-04-18 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Language Independent Options): @item should be
+ before @opindex.
+
+2012-04-17 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR bootstrap/53021
+ * rtl.c (rtx_code_size): Handle ADDRESS.
+
+2012-04-17 Tom de Vries <tom@codesourcery.com>
+
+ * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
+ is not a STMT_LIST.
+
+2012-04-17 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/53020
+ * config/i386/sync.md (atomic_<code><mode>): Rename to
+ atomic_<logic><mode>.
+
+2012-04-17 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
+ * alias.c (reg_base_value): Expand and update comment.
+ (arg_base_value): New variable.
+ (unique_id): Move up file.
+ (unique_base_value, unique_base_value_p, known_base_value_p): New.
+ (find_base_value): Use arg_base_value and known_base_value_p.
+ (record_set): Document REG_NOALIAS handling. Use unique_base_value.
+ (find_base_term): Use known_base_value_p.
+ (base_alias_check): Use unique_base_value_p.
+ (init_alias_target): Initialize arg_base_value. Use unique_base_value.
+ (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
+
+2012-04-17 Pat Haugen <pthaugen@us.ibm.com>
+
+ * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
+
+2012-04-17 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/18437
+ * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
+ (STMT_VINFO_STRIDE_LOAD_P): New accessor.
+ (vect_check_strided_load): Declare.
+ * tree-vect-data-refs.c (vect_check_strided_load): New function.
+ (vect_analyze_data_refs): Use it to accept strided loads.
+ * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
+
+2012-04-17 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/53011
+ * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
+ loops when redirecting an entry or latch edge.
+
+2012-04-17 Bernd Schmidt <bernds@codesourcery.com>
+
+ * sel-sched.c (sel_global_init): Revert previous change.
+
+2012-04-17 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (array_at_struct_end_p): Move declaration ...
+ * tree.h (array_at_struct_end_p): ... here.
+ * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
+ * expr.c (array_at_struct_end_p): ... here. Rewrite.
+
+2012-04-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
+ COST_TABLE): Remove.
+ (estimate_case_costs): Remove.
+ (expand_case): Do not call estimate_case_costs
+ to set use_cost_table.
+ (balance_case_nodes): Do not use use_cost_table.
+
+2012-04-16 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
+ (hash_node, eq_node): Remove.
+ (cgraph_create_node): Do not handle hashtable.
+ (cgraph_get_node): Remove.
+ (cgraph_insert_node_to_hashtable): Remove.
+ (hash_node_by_assembler_name): Remove.
+ (eq_assembler_name): Remove.
+ (cgraph_node_for_asm): Rewrite.
+ (cgraph_find_replacement_node): Break out from ...
+ (cgraph_remove_node): ... here; do not maintain hashtables.
+ (change_decl_assembler_name): Remove.
+ (cgraph_clone_node): Do not maintain hashtables.
+ * cgraph.h (const_symtab_node): New typedef.
+ (cgraph_insert_node_to_hashtable): Remove.
+ (symtab_get_node, symtab_node_for_asm,
+ symtab_insert_node_to_hashtable): Declare.
+ (cgraph_find_replacement_node): Declare.
+ (cgraph_get_node, varpool_get_node): Turn into inlines.
+ (cgraph, varpool): Work sanely on NULL pointers.
+ (FOR_EACH_SYMBOL): New walker.
+ * ipa-inline-transform.c (save_inline_function_body): Use
+ symtab_insert_node_to_hashtable.
+ * symtab.c: Include ggc.h and diagnostics.h
+ (symtab_hash, assembler_name_hash): New static vars;
+ (hash_node, eq_node, hash_node_by_assembler_name,
+ eq_assembler_name, insert_to_assembler_name_hash,
+ unlink_from_assembler_name_hash): New.
+ (symtab_register_node): Update hashtables.
+ (symtab_insert_node_to_hashtable): New.
+ (symtab_unregister_node): Update hashtables.
+ (symtab_get_node): New.
+ (symtab_node_for_asm): New.
+ (change_decl_assembler_name): New.
+ * Makefile.in (symtab.o): Needs GTY.
+ * varpool.c (varpool_hash): Remove.
+ (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
+ (varpool_node): Rewrite using varpool_get_node.
+ (varpool_remove_node): DO not maintain hashtables.
+ (varpool_node_for_asm): Rewrite.
+
+2012-04-16 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Copy-edit to put verbs in the present tense
+ when describing the current behavior of GCC.
+
+2012-04-16 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * genemit.c (gen_exp): Remove ADDRESS handling.
+ * genoutput.c (scan_operands): Likewise.
+ * genpeep.c (match_rtx): Likewise.
+ * genrecog.c (add_to_sequence): Likewise.
+
+2012-04-16 David Edelsohn <dje.gcc@gmail.com>
+
+ * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
+
+2012-04-16 Martin Jambor <mjambor@suse.cz>
+
+ * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
+ bit-fields.
+
+2012-04-16 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ PR target/51819
+ * config/arm/arm.c (arm_print_operand): Fix invalid alignment
+ hints for 'A' operand types.
+
+2012-04-16 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h (symtab_node_base): Add next and previous pointers.
+ (cgraph_node): Remove next and preivous pointers.
+ (varpool_node): Likewise; remove next/previous GTY marker;
+ it is not type safe.
+ (symtab_node_def): Update GTY marker
+ (x_cgraph_nodes, cgraph_nodes): Remove.
+ (symtab_nodes): New function.
+ (cgraph_order): Rename to ...
+ (symtab_order): ... this one.
+ (symtab_register_node, symtab_unregister_node, symtab_remove_node):
+ Declare.
+ (x_varpool_nodes, varpool_nodes): Remove.
+ (FOR_EACH_STATIC_VARIABLE): Update.
+ (symtab_function_p, symtab_variable_p): New function.
+ (FOR_EACH_VARIABLE): Update.
+ (varpool_first_variable, varpool_next_variable): New functions.
+ (FOR_EACH_VARIABLE): Update.
+ (cgraph_first_defined_function): Update.
+ (cgraph_next_defined_function, cgraph_next_defined_function): Update.
+ (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
+ (cgraph_first_function, cgraph_next_function): New.
+ (FOR_EACH_FUNCTION): Update.
+ (cgraph_first_function_with_gimple_body,
+ cgraph_next_function_with_gimple_body): Update.
+ * symtab.c: New file.
+ * cgraph.c: Update copyright dates.
+ (x_cgraph_nodes, cgraph_order): Remove.
+ (NEXT_FREE_NODE): Update.
+ (SET_NEXT_FREE_NODE): New.
+ (cgraph_create_node_1): Remove common code.
+ (cgraph_create_node): Remove common code; call symtab_register_node.
+ (cgraph_remove_node): Remove common code; call symtab_unregister-node.
+ (cgraph_add_asm_node): Update.
+ (cgraph_clone_node): Register new node.
+ * cgraphunit.c (process_function_and_variable_attributes): Update.
+ (cgraph_analyze_functions): Update.
+ (cgraph_analyze_functions): Update.
+ (cgraph_output_in_order): Update.
+ * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
+ Update.
+ * ipa-inline.c (recursive_inlining): Update.
+ * lto-streamer-in.c (lto_input_toplevel_asms): Update.
+ * ipa.c (cgraph_remove_unreachable_nodes): Update.
+ * Makefile.in: Add symtab.o
+ * varpool.c (x_varpool_nodes): Remove
+ (varpool_node): Remove common code; call symtab_register_node.
+ (varpool_remove_node): Remove common code; call symtab_unregister_node.
+
+2012-04-16 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52977
+ * tree.h (VECTOR_CST_NELTS): Adjust.
+ (struct tree_vector): Add explicit length field.
+ (make_vector_stat): Declare.
+ (make_vector): Define.
+ * tree.c (make_vector_stat): New function.
+ (build_vector_stat): Use it.
+ * tree-streamer-in.c (streamer_alloc_tree): Likewise.
+
+2012-04-16 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/52976
+ * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
+ (undistribute_ops_list): Ops with repeat counts aren't eligible for
+ undistribution.
+ (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
+
+2012-04-16 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
+ New macros.
+ * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
+ walkers to walk cgraph and varpool.
+ * cgraph.c (cgraph_node_for_asm): Likewise.
+ (dump_cgraph): Likewise.
+ * value-prof.c (init_node_map): Likewise.
+ * tree.c (free_lang_data_in_cgraph): Likewise.
+ * tree-emutls.c: (ipa_lower_emutls): Likewise.
+ * ipa-reference.c (generate_summary, propagate): Likewise.
+ * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
+ cgraph_mark_functions_to_output, cgraph_output_in_order,
+ output_weakrefs, cgraph_materialize_all_clones,
+ cgraph_optimize): Likewise.
+ * lto-cgraph.c (merge_profile_summaries): Likewise.
+ (input_cgraph): Likewise.
+ * ipa-pure-const.c (generate_summary): Likewise.
+ (propagate): Likwise.
+ * ipa-utils.c (ipa_reduced_postorder): Likewise.
+ (ipa_free_postorder_info): Likewise.
+ (ipa_reverse_postorder): Likewise.
+ * ipa-inline.c (ipa_inline): Likewise.
+ * matrix-reorg.c (find_matrices_decl): Likewise.
+ (matrix_reorg): Likewise.
+ * tree-vectorizer.c (increase_alignment): Likewise.
+ * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
+ (function_and_variable_visibility): Likewise.
+ (whole_program_function_and_variable_visibility): Likewise.
+ (ipa_cdtor_merge): Likewise.
+ * trans-mem.c (ipa_tm_execute): Likewise.
+ * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
+ * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
+ (ipa_print_all_params): Likewise.
+ (ipa_update_after_lto_read): Likewise.
+ * tree-profie.c (tree_profiling): Likewise.
+ * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
+ * passes.c (dump_passes): Likewise.
+ (do_per_function): Likewise.
+ (ipa_write_summaries): Likewise.
+ * varpool.c (dump_varpool): Likewise.
+ (varpool_node_for_asm): Likewise.
+ (varpool_assemble_pending_decls): Likewise.
+
+2012-04-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52975
+ * tree-if-conv.c (predicate_bbs): Do not simplify inverted
+ condition but always mark it with TRUTH_NOT_EXPR.
+
+2012-04-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52975
+ * tree-ssa-forwprop.c (combine_cond_exprs): New function.
+ (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
+ and VEC_COND_EXPRs. Also combine into VEC_COND_EXPRs condition.
+ * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
+
+2012-04-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (ssse3_plusminus): New code iterator.
+ (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
+ avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
+ (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
+ ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
+ (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
+ ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
+
+ (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
+ avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
+ (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
+ ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
+ (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
+ ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
+
+ (xop_plus): New code iterator.
+ (macs): New code attribute.
+ (macds): Ditto.
+ (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
+ xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
+ iterator.
+ (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
+ xop_plus code iterator.
+ (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
+ xop_plus code iterator.
+ (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
+ xop_plus code iterator.
+ (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
+ xop_plus code iterator.
+
+ (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
+ any_extend code iterator.
+ (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
+ any_extend code iterator.
+ (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
+ any_extend code iterator.
+ (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
+ any_extend code iterator.
+ (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
+ any_extend code iterator.
+ (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
+ any_extend code iterator.
+
+2012-04-14 Tom de Vries <tom@codesourcery.com>
+
+ * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
+ call to delete_insn. Remove code to reorder BASIC_BLOCK note and
+ DELETED_LABEL note, and move it to ...
+ * cfgrtl.c (delete_insn): ... here. Change return type to void.
+ (delete_insn_and_edges): Likewise.
+ (delete_insn_chain): Handle new return type of delete_insn. Delete
+ chain backwards rather than forwards.
+ * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
+ void.
+ * cfglayout.c (fixup_reorder_chain): Delete unused label.
+
+2012-04-14 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h: Update copyrights;
+ (symtab_node): Turn to union typedef.
+ (symtab_node_base): New structure.
+ (symtab_type): Add SYMTAB_SYMBOL tag.
+ (cgraph_node): Annotate some pinters with nested_ptr.
+ (varpool_node): Likewise.
+ (cgraph_local_info): Remove lto_file_data
+ and externally_visible.
+ (cgraph_node): Remove decl; same_comdat_group list;
+ aux; ref_list; order; address_taken; reachable_from_other_parittion,
+ in_other_partition; resolution.
+ (varpool_node): Remove decl; same_comdat_group;
+ ref_list; lto_file_data; aux; order; resolution; externally_visible;
+ used_from_other_partition; in_other_partition.
+ (symtab_node_def): New union.
+ (cgraph, varpool): Update.
+ (varpool_first_static_initializer, varpool_next_static_initializer,
+ cgraph_only_called_directly_or_aliased_p,
+ varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
+ varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
+ varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
+ field references.
+ * cgraph.c: Likewise.
+ (cgraph_hash, assembler_name_hash): Turn into symtab_node.
+ * cgraphbuild.c: Likewise.
+ * lto-symtab.c: Likewise.
+ * c-gimplify.c: Likewise.
+ * value-prof.c: Likewise.
+ * tree.c: Likewise.
+ * ipa-cp.c: Likewise.
+ * tree-emutls.c: Likewise.
+ * ipa-inline-transform.c: Likwise.
+ * ipa-reference.c: Likewise.
+ * cgraphunit.c: Likewise.
+ * ipa-ref.c: Likewise.
+ * lto-cgraph.c: Likewise.
+ * ipa-ref-inline.h: Likewise.
+ * ipa-pure-const.c: Likewise.
+ * lto-streamer-out.c: Likewise.
+ * ipa-utils.c: Likewise.
+ * ipa-inline.c: Likewise.
+ * matrix-reorg.c: Likewise.
+ * tree-eh.c: Likewise.
+ * tree-vectorizer.c: Likewise.
+ * ipa-split.c: Likewise.
+ * ipa.c: Likewise.
+ * trans-mem.c: Likewise.
+ * ipa-inline-analysis.c: Likewise.
+ * gimplify.c: Likewise.
+ * cfgexpand.c: Likewise.
+ * tree-sra.c: Likewise.
+ * ipa-prop.c: Likewise.
+ * varasm.c: Likewise.
+ * tree-nested.c: Likewise.
+ * tree-inline.c: Likewise.
+ * tree-profile.c: Likewise.
+ * tree-ssa-structalias.c: Likewise.
+ * passes.c: Likewise.
+ * varpool.c: Likewise.
+
+2012-04-14 Tom de Vries <tom@codesourcery.com>
+
+ * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
+ same_succ_hash, with local_def inlined. Use SINGLE_SSA_DEF_OPERAND.
+ Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT. Remove use
+ of find_edge.
+ (gsi_advance_fw_nondebug_nonlocal): New function.
+ (local_def): Removed function.
+ (same_succ_hash): Use stmt_local_def.
+ (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
+ (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
+
+2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
+ and __ILP32__ for x32.
+
+2012-04-13 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/52939
+ * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
+ fold_ctor_reference returns a zero constant.
+
+2012-04-13 Enkovich Ilya <ilya.enkovich@intel.com>
+
+ * config.gcc: Add i386/gnu-user-common.h before all
+ i386/gnu-user.h and i386/gnu-user64.h usages.
+
+ * config/i386/gnu-user-common.h: New.
+
+ * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
+ (CC1_SPEC): Likewise.
+ (ENDFILE_SPEC): Likewise.
+ (DEFAULT_PCC_STRUCT_RETURN): Likewise.
+ (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
+ (TARGET_OS_CPP_BUILTINS): Likewise.
+ (LIBGCC2_HAS_TF_MODE): Likewise.
+ (LIBGCC2_TF_CEXT): Likewise.
+ (TF_SIZE): Likewise.
+ (TARGET_ASM_FILE_END): Likewise.
+ (STACK_CHECK_MOVING_SP): Likewise.
+ (STACK_CHECK_STATIC_BUILTIN): Likewise.
+ * config/i386/gnu-user64.h: Likewise.
+
+2012-04-13 Martin Jambor <mjambor@suse.cz>
+
+ * expr.c (expand_expr_real_1): Pass type, not the expression, to
+ set_mem_attributes for a memory temporary. Do not call the function
+ for the memory temporary created for a bitfield.
+
+2012-04-13 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/48866
+ * df.h (enum debug_temp_where): New.
+ (dead_debug_init, dead_debug_finish) Declare.
+ (dead_debug_add, dead_debug_insert_temp): Declare.
+ (struct dead_debug_use, struct dead_debug): Moved from...
+ * df-problems.c: ... here.
+ (df_set_unused_notes_for_mw): Bind debug uses of unused regno
+ to a debug temp.
+ (df_create_unused_note): Likewise.
+ (df_set_dead_notes_for_mw): Move comment where it belongs.
+ (dead_debug_init): Export.
+ (dead_debug_reset_uses): New, factored out of...
+ (dead_debug_finish): ...this. Export.
+ (dead_debug_reset): Remove.
+ (dead_debug_add): Export.
+ (dead_debug_insert_before): Rename to...
+ (dead_debug_insert_temp): ... this. Add where argument. Export.
+ Locate stored value for BEFORE_WITH_VALUE. Avoid repeat inserts.
+ Return insertion count.
+ (df_note_bb_compute): Adjust.
+ * dce.c (word_dce_process_block): Adjust dead debug uses.
+ (dce_process_block): Likewise.
+
+2012-04-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * df-problems.c (df_note_bb_compute): Do not take note of
+ debug uses for whose REGs we won't emit DEAD or UNUSED notes.
+
+2012-04-13 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/51570
+ * var-tracking.c (expand_depth): New type.
+ (onepart_aux, expand_loc_callback_data): Change depth type to it.
+ (loc_exp_dep_alloc): Adjust initializer.
+ (update_depth): Use new type. Add entryvals.
+ (vt_expand_var_loc_chain): Take note of expansions with
+ ENTRY_VALUEs, but don't accept them right away. Run an optional
+ second pass accepting the minimum ENTRY_VALUE count found in the
+ first pass.
+ (vt_expand_loc_callback, INIT_ELCD): Adjust.
+
+2012-04-13 Tom de Vries <tom@codesourcery.com>
+
+ * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
+ parameters vuse and vuse_escaped.
+ (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
+ gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
+ vuse1 != vuse2.
+
+2012-04-13 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52969
+ * tree-if-conv.c (predicate_mem_writes): Properly gimplify
+ the condition for the COND_EXPR and handle predicate negation
+ by swapping the COND_EXPR arms.
+
+2012-04-13 Nick Clifton <nickc@redhat.com>
+
+ * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
+ TODO_dump_func flag.
+
+2012-04-13 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/52203
+ PR rtl-optimization/52715
+
+ Revert the 2012-03-07 fix for PR 52203.
+ * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
+ the insn does not modify DFA right before issuing, adjust
+ issue_rate accordingly.
+
+2012-04-13 Richard Guenther <rguenther@suse.de>
+
+ PR c/52549
+ * c-typeck.c (pointer_diff): Remove bogus assert.
+
+2012-04-13 Richard Guenther <rguenther@suse.de>
+
+ PR c/52862
+ * convert.c (convert_to_pointer): Remove special-casing of zero.
+
+2012-04-13 Joey Ye <joey.ye@arm.com>
+
+ * config/arm/constraints.md (Pe): New constraint.
+ * config/arm/arm.md: New split for imm 256-510.
+
+2012-04-13 Terry Guo <terry.guo@arm.com>
+
+ * config/arm/arm-cores.def: Added core cortex-m0plus.
+ * config/arm/arm-tune.md: Regenerated.
+ * config/arm/arm-tables.opt: Regenerated.
+ * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
+
+2012-04-13 Alan Modra <amodra@gmail.com>
+
+ PR target/52828
+ * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
+ tie regs on destination of sets. Delete forward declaration.
+ (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
+ (rs6000_emit_prologue): Likewise.
+ (rs6000_emit_epilogue): Likewise. Use in place of gen_frame_tie
+ and gen_stack_tie.
+ (is_mem_ref): Use tie_operand to recognise stack ties.
+ * config/rs6000/predicates.md (tie_operand): New.
+ * config/rs6000/rs6000.md (restore_stack_block): Generate new
+ stack tie rtl.
+ (restore_stack_nonlocal): Likewise.
+ (stack_tie): Update.
+ (frame_tie): Delete.
+
+2012-04-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
+ HOST_WIDE_INT_PRINT_DEC in format strings.
+
+2012-04-12 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52932
+ * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
+ argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
+ * config/i386/sse.md (UNSPEC_VPERMVAR): New.
+ (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
+ (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
+ (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
+ avx2_permvarv8si using VI4F_256 mode iterator.
+ * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
+ Update builtin type to V8SF_FTYPE_V8SF_V8SI.
+ (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
+ gen_avx2_permvarv8sf.
+ (expand_vec_perm_pshufb): Ditto.
+
+2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/52775
+ * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
+ the list of options to enable the FCFID instruction.
+ (TARGET_EXTRA_BUILTINS): Adjust comment.
+
+2012-04-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/18589
+ * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
+ (operand_entry): Add count field.
+ (add_repeat_to_ops_vec): New function.
+ (completely_remove_stmt): Likewise.
+ (remove_def_if_absorbed_call): Likewise.
+ (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
+ (acceptable_pow_call): New function.
+ (linearize_expr_tree): Look for builtin pow/powi calls and add operand
+ entries with repeat counts when found.
+ (repeat_factor_d): New struct and associated typedefs.
+ (repeat_factor_vec): New static vector variable.
+ (compare_repeat_factors): New function.
+ (get_reassoc_pow_ssa_name): Likewise.
+ (attempt_builtin_powi): Likewise.
+ (reassociate_bb): Call attempt_builtin_powi.
+ (fini_reassoc): Two new calls to statistics_counter_event.
+
+2012-04-12 Richard Guenther <rguenther@suse.de>
+
+ * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
+ * cgraph.h (tree_rest_of_compilation): Remove.
+ * cgraph.c (cgraph_add_new_function): Move ...
+ * cgraphunit.c (cgraph_add_new_function): ... here.
+ (tree_rest_of_compilation): Make static.
+ (cgraph_expand_function): Do not set cgraph_function_flags_ready.
+ * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
+ gate_all_early_local_passes, execute_all_early_local_passes,
+ pass_early_local_passes, gate_all_early_optimizations,
+ pass_all_early_optimizations): Move ...
+ * passes.c (gate_all_optimizations, pass_all_optimizations,
+ gate_all_early_local_passes, execute_all_early_local_passes,
+ pass_early_local_passes, gate_all_early_optimizations,
+ pass_all_early_optimizations): ... here.
+ * tree-optimize.c (execute_free_datastructures): Remove.
+ * tree-flow.h (execute_free_datastructures): Remove.
+ * tree-optimize.c (execute_init_datastructures,
+ pass_init_datastructures): Move ...
+ * tree-ssa.c (execute_init_datastructures,
+ pass_init_datastructures): ... here.
+ * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
+ execute_free_datastructures.
+
+2012-04-12 Bernd Schmidt <bernds@codesourcery.com>
+
+ * dbgcnt.def (ira_move): New counter.
+ * ira-int.h (ira_create_new_reg): Declare function.
+ (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
+ * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
+ no longer static. All callers changed.
+ * ira.c: Include "dbgcnt.h".
+ (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
+ move_unallocated_pseudos): New static functions.
+ (first_moveable_pseudo, last_moveable_pseudo): New global variables.
+ (pseudo_replaced_reg, pseudo_move_insn): New static variables.
+ (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
+ * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
+ to the pseudos generated in find_moveable_pseudos.
+ * Makefile.in (ira.o): Add $(DBGCNT_H).
+
+2012-04-12 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52943
+ * tree-chrec.h (chrec_is_positive): Remove.
+ * tree-scalar-evolution.c (chrec_is_positive): Move ...
+ * tree-data-ref.c (chrec_is_positive): ... here. Make static.
+ Return false for a constant zero instead of negative.
+ (analyze_siv_subscript_cst_affine): Handle zero difference
+ in the initial condition explicitely.
+
+2012-04-12 Richard Guenther <rguenther@suse.de>
+
+ * tree-parloops.c (parallelize_loops): Also consult the upper
+ bound for the number of iterations.
+ * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
+ (loop_prefetch_arrays): Likewise.
+
+2012-04-12 Richard Guenther <rguenther@suse.de>
+
+ * cfgloop.h (estimated_loop_iterations_int): Ditch
+ 'conservative' parameter.
+ (max_stmt_executions_int): Likewise.
+ (estimated_loop_iterations): Likewise.
+ (max_stmt_executions): Likewise.
+ (max_loop_iterations): Declare.
+ (max_loop_iterations_int): Likewise.
+ (estimated_stmt_executions): Likewise.
+ (estimated_stmt_executions_int): Likewise.
+ * tree-ssa-loop-niter.c (estimated_loop_iterations):
+ Split parts to ...
+ (max_loop_iterations): ... this.
+ (estimated_loop_iterations_int): Split parts to ...
+ (max_loop_iterations_int): ... this.
+ (max_stmt_executions_int): Split parts to ...
+ (estimated_stmt_executions_int): ... this.
+ (max_stmt_executions): Split parts to ...
+ (estimated_stmt_executions): ... this.
+ * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
+ * predict.c (predict_loops): Likewise.
+ * tree-data-ref.c (max_stmt_executions_tree): Likewise.
+ (analyze_siv_subscript_cst_affine): Likewise.
+ (compute_overlap_steps_for_affine_1_2): Likewise.
+ (analyze_subscript_affine_affine): Likewise.
+ (init_omega_for_ddr_1): Likewise.
+ * tree-parloops.c (parallelize_loops): Likewise.
+ * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
+ (may_eliminate_iv): Likewise.
+ * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
+ (loop_prefetch_arrays): Likewise.
+ * tree-vrp.c (adjust_range_with_scev): Likewise.
+
+2012-04-12 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
+ * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
+ Fix line width.
+ (dump_table): Use bool type for need_align and have_df variables.
+ (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
+ (regs_used): Remove register modifier.
+ (barrier_align): Move variables slot, credit, jump_to_next
+ into if block above for loop. Use bool type for jump_to_next.
+ (sh_function_arg): Use NULL_RTX instead of 0.
+
+2012-04-11 Andreas Schwab <schwab@linux-m68k.org>
+
+ * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
+ (bswapsi2): New expander.
+
+2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
+ 0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
+
+2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR rtl-optimization/52876
+ * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
+ Don't call mark_reg_pointer for incompatible pointer sign extension.
+ * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
+ directly.
+
+2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
+
+ * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
+ comparisons against TYPE_PRECISION.
+ * tree-ssa-forwprop.c (combine_conversions): Likewise.
+
+2012-04-11 Xinliang David Li <davidxl@google.com>
+
+ * tree-passes.h: Remove TODO_dump_func.
+ * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
+ * trans-mem.c: Remove TODO_dump_func.
+ * ira.c: Remove TODO_dump_func.
+
+2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_option_override_internal): Check
+ SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
+ after TARGET_64BIT is updated.
+
+2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h: Remove old secondary reload code.
+
+2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
+ (ready_reorder): ... this function.
+
+2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
+
+ * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
+ sched_init calls.
+
+ * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
+ insns so that no other insn is queued for a time before them.
+
+ * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
+ unknown.
+
+2012-04-11 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52621
+ * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
+ consider loop nesting.
+ (evolution_function_is_univariate_p): Properly check the remainder
+ for chrecs.
+
+2012-04-11 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52918
+ * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
+
+2012-04-11 Nick Clifton <nickc@redhat.com>
+
+ * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
+ information, if requested.
+
+ * config/rx/rx.c (rx_expand_prologue): Likewise.
+
+2012-04-11 Peter Bergner <bergner@vnet.ibm.com>
+ Michael Matz <matz@suse.de>
+
+ PR target/16458
+ * rtlanal.c (unsigned_reg_p): New function.
+ Update copyright notice dates.
+ * rtl.h (unsigned_reg_p): Prototype it.
+ Update copyright notice dates.
+ * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
+ Update comment.
+ * expr.c (expand_expr_real_1): Set register attributes.
+ * stmt.c (expand_case): Likewise.
+
+2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/50751
+ * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
+ consider_sh2a and allow_zero.
+ * config/sh/sh.c (sh_legitimate_index_p): Likewise.
+ (disp_addr_displacement): New function.
+ (sh_address_cost): Use disp_addr_displacement function instead
+ of DISP_ADDR_OFFSET.
+ (sh_legitimate_address_p): Adapt to changed
+ sh_legitimate_index_p declaration.
+ (sh_find_mov_disp_adjust): Remove HImode check.
+ (sh_secondary_reload): Add HImode case. Use satisfies_constraint_Sdd,
+ disp_addr_displacement and max_mov_insn_displacement.
+ (max_mov_insn_displacement): Remove HImode check.
+ * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
+ DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
+ * config/sh/constraints.md (K05, K13): New constraints.
+ (K12): Correct comment.
+ (Sdd): Do not use DISP_ADDR_P macro.
+ (Snd, Sbw): Use satisfies_constraint_Sdd.
+ * config/sh/sh.md (extendhisi2): Remove constraints from expander.
+ (*extendhisi2_compact, movhi_i): Remove.
+ (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
+ *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
+ *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
+ *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
+ (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
+ *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
+ *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
+ CONST_OK_FOR_Kxx.
+ Add new peepholes for HImode displacement addressing.
+
+2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h (SIDI_OFF): Remove.
+ * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
+ DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
+ or operand_subword.
+
+2012-04-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/52624
+ * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
+ (PowerPC AltiVec/VSX Built-in Functions): Remove it.
+ * doc/md.texi (Standard Names): Add bswap.
+ * builtin-types.def (BT_UINT16): New primitive type.
+ (BT_FN_UINT16_UINT16): New function type.
+ * builtins.def (BUILT_IN_BSWAP16): New.
+ * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
+ (expand_builtin) <BUILT_IN_BSWAP16>: New case. Pass TARGET_MODE to
+ expand_builtin_bswap.
+ (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
+ (fold_builtin_1): Likewise.
+ (is_inexpensive_builtin): Likewise.
+ * optabs.c (expand_unop): Deal with bswap in HImode specially. Add
+ missing bits for bswap to libcall code.
+ * tree.c (build_common_tree_nodes): Build uint16_type_node.
+ * tree.h (enum tree_index): Add TI_UINT16_TYPE.
+ (uint16_type_node): New define.
+ * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
+ * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
+ above builtin.
+ (rs6000_init_builtins): Likewise.
+ * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
+
+2012-04-11 Tristan Gingold <gingold@adacore.com>
+
+ * doc/extend.texi (Type Attributes): Move paragraph.
+
+2012-04-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR 24985
+ * diagnostic.h (show_caret): Declare.
+ (caret_max_width): Declare.
+ (diagnostic_show_locus): Declare.
+ * diagnostic.c (diagnostic_initialize): Initialize to false.
+ (diagnostic_show_locus): New.
+ (diagnostic_report_diagnostic): Call it.
+ (getenv_columns): New.
+ (adjust_line): New.
+ (diagnostic_set_caret_max_width): New.
+ * input.c (read_line): New.
+ (location_get_source_line): New.
+ * input.h (location_get_source_line): Declare.
+ * toplev.c (general_init): Initialize show_caret from options.
+ * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
+ * opts.c (common_handle_option): Likewise.
+ * pretty-print.h (pp_get_prefix): New.
+ (pp_base_get_prefix): New.
+ * common.opt (fdiagnostics-show-caret): New option.
+ * doc/invoke.texi (fdiagnostics-show-caret): Document it.
+
+2012-04-11 Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/52881
+ * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
+
+2012-04-11 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52912
+ * tree-ssa-threadupdate.c (thread_block): Tell the cfg
+ manipulation code we are threading through a loop header
+ to an exit destination.
+
+2012-04-10 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * tree.h (warn_if_unused_value): Move declaration from here.
+ * stmt.c (warn_if_unused_value): Move definition from here.
+
+2012-04-10 Michael Matz <matz@suse.de>
+
+ * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
+ grouped_stores.
+ (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
+ (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
+ (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
+ (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
+ (vect_strided_store_supported): Rename to vect_grouped_store_supported.
+ (vect_strided_load_supported): Rename to vect_grouped_load_supported.
+ (vect_transform_strided_load): Rename to vect_transform_grouped_load.
+ (vect_record_strided_load_vectors): Rename to
+ vect_record_grouped_load_vectors.
+ * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
+ Rename use of above macros.
+ (vect_verify_datarefs_alignment): Ditto.
+ (vector_alignment_reachable_p): Ditto.
+ (vect_peeling_hash_get_lowest_cost): Ditto.
+ (vect_enhance_data_refs_alignment): Ditto.
+ (vect_analyze_group_access): Ditto and rename stride to groupsize.
+ (vect_analyze_data_ref_access): Rename "strided" to "grouped".
+ (vect_strided_store_supported): Rename to vect_grouped_store_supported.
+ (vect_strided_load_supported): Rename to vect_grouped_load_supported.
+ (vect_transform_strided_load): Rename to vect_transform_grouped_load.
+ (vect_record_strided_load_vectors): Rename to
+ vect_record_grouped_load_vectors.
+ * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
+ (destroy_loop_vec_info): Ditto.
+ (vect_transform_loop): Ditto and rename strided_store to grouped_store.
+ * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
+ (vect_analyze_slp): Ditto.
+ (new_bb_vec_info): Ditto.
+ (destroy_bb_vec_info): Ditto.
+ (vect_schedule_slp_instance): Ditto and rename strided_store to
+ grouped_store.
+ * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
+ vect_cost_group_size.
+ (vect_model_store_cost): Rename use of above macros and call
+ to vect_cost_strided_group_size.
+ (vect_model_load_cost): Ditto.
+ (vectorizable_store): Ditto, rename strided_store to grouped_store
+ and calls to renamed tree-vectorizer.h functions.
+ (vectorizable_load): Ditto.
+ (vect_transform_stmt): Rename use of above macros and strided_store
+ to grouped_store.
+
+2012-04-10 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h: Remove misledaing comment on ipa-ref.h.
+ (symtab_type): New enum.
+ (symtab_node): New structure.
+ (cgraph_node, varpool_node): Add symbol base type.
+ (cgraph, varpool): New accestor functions.
+ * cgraph.c (cgraph_create_node_1): Set symbol type.
+ * varpool.c (varpool_node): Set symbol type.
+
+2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
+ Richard Sandiford <rdsandiford@googlemail.com>
+
+ * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
+
+2012-04-10 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52888
+ * gimple-low.c (gimple_check_call_args): Properly account for
+ compatible aggregate types.
+
+2012-04-10 Richard Guenther <rguenther@suse.de>
+
+ * toplev.h (tree_rest_of_compilation): Remove.
+ * tree-optimize.c (tree_rest_of_compilation): Likewise.
+ * cgraph.h (tree_rest_of_compilation): Declare.
+ * tree-optimize.c (tree_rest_of_compilation): Move ...
+ * cgraphunit.c (tree_rest_of_compilation): ... here.
+ * cgraph.c (cgraph_add_new_function): Adjust.
+ * Makefile.in (tree-optimize.o): Adjust.
+ (cgraphunit.o): Likewise.
+
+2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ PR tree-optimization/52870
+ * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
+ presumed pattern statement is within the same loop or basic block.
+
+2012-04-10 Tristan Gingold <gingold@adacore.com>
+
+ * gengtype.c (main): Make uintptr_t a known type.
+
+2012-04-10 Richard Guenther <rguenther@suse.de>
+
+ * tree-pass.h (tree_lowering_passes): Remove.
+ * tree-optimize.c (tree_lowering_passes): Remove.
+ * cgraph.c (cgraph_add_new_function): Inline relevant parts
+ of tree_lowering_passes, avoid redundant call of early local passes.
+ * cgraphunit.c (cgraph_lower_function): Fold into ...
+ (cgraph_analyze_function): ... its single caller. Inline
+ relevant parts of tree_lowering_passes.
+
+2012-04-09 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR other/52777
+ * config/pa/pa.opt: Remove SIO and GNU_LD.
+
+2012-04-09 Jan Hubicka <jh@suse.cz>
+
+ PR lto/52722
+ PR lto/51765
+ PR lto/52634
+ * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
+ boundary, add its target too.
+ * lto.c (add_references_to_partition): Add also aliased nodes.
+ (add_cgraph_node_to_partition,
+ add_varpool_node_to_partition): Work on nodes, not functions/variables;
+ when adding alias, add also the aliased object.
+
+2012-04-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52883
+ * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
+ VOIDmode immediate operands.
+ * config/i386/constraints.md (Wz): New constraint.
+ * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
+
+2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/52717
+ * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
+ the DECL generated for the special GOT helper.
+
+2012-04-09 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/constraints.md: Update list of constraints in
+ comment block.
+ (Sr0): Remove unused memory constraint.
+
+2012-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * tree-pretty-print.h: Update comment.
+
+2012-04-08 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md: Use braced string notation where applicable.
+ (*prefetch_i4, prefetch_m2a): Merge into ...
+ (*prefetch): ... this new insn.
+
+2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h (high_life_started): Remove
+ * config/sh/predicates.md (general_movdst_operand): Use
+ 'reload_in_progress' instead of 'high_life_started'.
+ * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
+ divsi_inv_fp): Likewise.
+
+2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh-protos.h (prepare_move_operands): Return void
+ instead of int.
+ * config/sh/sh.c (prepare_move_operands): Likewise.
+ * config/sh/sh.md: Remove return value checks of prepare_move_operands.
+
+2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
+ general_movsrc_operand, general_movdst_operand, arith_reg_operand,
+ fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
+ logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
+ commutative_float_operator, noncommutative_float_operator,
+ sh_handle_pragma): Remove.
+
+2012-04-06 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Clean up Texinfo markup throughout the file.
+ Use @option markup on command-line options. Use @samp markup on
+ literal keywords to options. Use @code markup on code fragments.
+ Use other markup in preference to quotation marks in the text.
+ Add markup to some passages without any.
+
+2012-04-06 Mike Stump <mikestump@comcast.net>
+
+ * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
+
+2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.c (hi_const): Remove.
+ (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
+ of hi_const.
+
+2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
+ to bool.
+ * config/sh/sh.c (sh_expand_t_scc): Likewise.
+ * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
+ calling sh_expand_t_scc.
+
+2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
+ nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
+ sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
+ reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
+ sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
+ sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
+ check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
+ sh2a_is_function_vector_call): Use bool as return type.
+ (sh_pass_in_reg_p): Remove.
+ * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
+ flow_dependent_p, sh2a_function_vector_p, expand_block_move,
+ expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
+ sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
+ sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
+ sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
+ fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
+ sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
+ sh_loads_bankedreg_p): Use bool as return type.
+ (nonpic_symbol_mentioned_p): Use bool as return type. Remove
+ 'register' modifier.
+
+2012-04-06 Matt Turner <mattst88@gmail.com>
+
+ * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
+
+2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
+ of the destination isn't also a FP_REGS register.
+
+2012-04-05 Teresa Johnson <tejohnson@google.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
+ * config/i386/i386.md (move immediate to memory peephole2):
+ Add cases for HImode move when LCP stall avoidance is needed.
+ * config/i386/i386.c (initial_ix86_tune_features): Initialize
+ X86_TUNE_LCP_STALL entry.
+
+2012-04-05 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52882
+ * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
+ CONST_INT operands, zero-extended with AND.
+
+2012-04-05 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/50751
+ * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
+ first argument instead of mode size. Move displacement calculations
+ to ...
+ (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
+ ... these new functions.
+ (disp_adjust): Remove max_mov_disp field.
+ (sh_legitimate_index_p): Use max_mov_insn_displacement and
+ mov_insn_alignment_mask.
+ (sh_address_cost): Use max_mov_insn_displacement.
+
+2012-04-05 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
+ (arch_enabled): Handle new arch types.
+ (one_cmpldi2): Add NEON support.
+
+2012-04-05 Richard Guenther <rguenther@suse.de>
+
+ * gimple.c (walk_gimple_op): Compute val_only for the LHS
+ of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
+ (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
+ * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
+ ... here and make static.
+ * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
+ Remove.
+
+2012-04-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
+ basic-block before removing it.
+
+2012-04-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
+ version namespace as we release the freelist.
+
+2012-04-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-nrv.c (tree_nrv): Release VDEFs.
+ * tree-sra.c (sra_modify_constructor_assign): Likewise.
+ (sra_modify_assign): Likewise.
+ * tree-vect-stmts.c (vect_remove_stores): Likewise.
+ * tree-vect-loop.c (vect_transform_loop): Likewise.
+ * tree-ssa-dom.c (optimize_stmt): Likewise.
+ * tree-vect-slp.c (vect_schedule_slp): Likewise.
+ * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
+
+2012-04-05 Richard Guenther <rguenther@suse.de>
+
+ * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
+ cleanup.
+ * gimple.h (gsi_remove): Adjust.
+ * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
+ * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
+ * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
+ * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
+ * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
+ * tree-ssa-pre.c (eliminate): Likewise.
+
+2012-04-04 Mike Stump <mikestump@comcast.net>
+
+ * doc/rtl.texi (const_double): Document as sign-extending.
+ * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
+ * emit-rtl.c (immed_double_int_const): Refine to state the
+ value is signed.
+ * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
+ CONST_DOUBLE integers.
+ (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
+ negative values are converted. Fix conversions bigger than
+ HOST_BITS_PER_WIDE_INT.
+ (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
+ (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
+ * explow.c (plus_constant_mode): Add.
+ (plus_constant): Implement with plus_constant_mode.
+ * rtl.h (plus_constant_mode): Add.
+
+2012-04-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52808
+ * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
+ * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
+
+2012-04-04 Tristan Gingold <gingold@adacore.com>
+
+ * expr.c (expand_expr_real_2): Handle larger sizetype in
+ POINTER_PLUS_EXPR.
+
+2012-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
+ to m2a-single instead of m2e.
+
+2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
+ Change type of BITOFFSET to signed. Make sure the lower bound of
+ the computed range is non-negative by adjusting OFFSET and BITPOS.
+ (expand_assignment): Adjust call to get_bit_range.
+
+2012-04-03 Sandeep Kumar Singh <Sandeep.Singh2@kpitcummins.com>
+
+ * h8300/h8300.c (h8300_current_function_monitor_function_p):
+ New function. Added to check monitor functions.
+ (h8300_option_override): Modified to generate error/warning
+ messages for invalid combinations of different command line
+ options.
+ * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
+ save EXR on stack for monitor function in case of H8S target
+ when "-mno-exr" is passed.
+ * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
+ Add prototype.
+ * doc/invoke.texi: Document H8S options.
+
+2012-04-03 Tristan Gingold <gingold@adacore.com>
+
+ * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
+ of gcc_AC_FUNC_MMAP_BLACKLIST.
+ * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
+ * Makefile.in (aclocal_deps): Add mmap.m4.
+ * configure: Regenerate.
+ * aclocal.m4: Regenerate.
+
+2012-04-03 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52808
+ * tracer.c (tail_duplicate): Return whether we have duplicated
+ any block.
+ (tracer): If we have duplicated any block, cleanup the CFG.
+ * cfghooks.c (duplicate_block): If we duplicated a loop
+ header but not its loop, destroy the loop because it now has
+ multiple entries.
+ * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
+ the cfg manipulation routines we are not creating a multiple
+ entry loop.
+
+2012-04-03 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
+ 'byte' alignment.
+ (vms_c_common_override_options): Allow parameterless variadic
+ functions.
+
+2012-04-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52835
+ * tree-data-ref.c (build_rdg): Return NULL if
+ compute_data_dependences_for_loop failed.
+
+2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
+
+ * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
+ for REAL_CST as well.
+ (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
+ In the bitfield case, if the value is a REAL_CST, convert it first to
+ an INTEGER_CST.
+
+2012-04-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
+ for --with-abi={x32|mx32} or --with-multilib-list=mx32.
+ (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
+
+ * config/i386/biarchx32.h: New.
+
+2012-04-02 Anatoly Sokolov <aesok@post.ru>
+
+ * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
+ * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
+ (arm_preferred_reload_class): New function.
+
+2012-04-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52756
+ * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
+ (thread_through_loop_header): After threading through the loop latch
+ remove the split part from the loop and clear further threading
+ opportunities that would create a multiple entry loop.
+
+2012-04-02 Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/52800
+ * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
+ CLEANUP_CFG_CHANGED.
+
+2012-04-02 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52803
+ * loop-init.c (gate_handle_loop2): Destroy loops here if
+ we don't enter RTL loop optimizers.
+
+2012-04-02 Uros Bizjak <ubizjak@gmail.com>
+
+ Partially revert:
+ 2012-03-29 Richard Guenther <rguenther@suse.de>
+
+ * rtl.h (extended_count): Remove.
+ * combine.c (extended_count): Remove.
+
+2012-04-02 Dodji Seketeli <dodji@redhat.com>
+
+ PR c++/40942
+ * pt.c (more_specialized_fn): Don't apply decay conversion to
+ types of function parameters.
+
+2012-04-02 Tristan Gingold <gingold@adacore.com>
+
+ * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
+ (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
+ (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
+ (ggc_pch_this_base): Use uintptr_t instead of size_t.
+
+2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/52784
+ * config/i386/i386.c (ix86_option_override_internal): Don't
+ check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
+
+2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
+ (stmt_can_make_abnormal_goto): Use it.
+ (is_ctrl_altering_stmt): Likewise.
+
+2012-03-30 Naveen H.S <naveen.S@kpitcummins.com>
+ Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (push_regs): Skip banked registers when
+ resbank attribute is specified.
+ (sh_expand_epilogue): Likewise.
+
+2012-03-30 Richard Henderson <rth@redhat.com>
+
+ PR debug/52727
+ * combine-stack-adj.c (prev_active_insn_bb): New.
+ (next_active_insn_bb): New.
+ (force_move_args_size_note): New.
+ (combine_stack_adjustments_for_block): Use it.
+
+2012-03-30 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
+ (ix86_expand_vector_init_duplicate): Initialize it.
+ (expand_vec_perm_palignr): Likewise.
+ (ix86_expand_vec_perm_const): Likewise.
+ (ix86_vectorize_vec_perm_const_ok): Likewise.
+ (expand_vec_perm_blend): Use it.
+ (expand_vec_perm_vpermil): Likewise.
+ (expand_vec_perm_pshufb): Likewise.
+ (expand_vec_perm_1): Likewise.
+ (expand_vec_perm_pshuflw_pshufhw): Likewise.
+ (expand_vec_perm_interleave2): Likewise.
+ (expand_vec_perm_vpermq_perm_1): Likewise.
+ (expand_vec_perm_vperm2f128): Likewise.
+ (expand_vec_perm_interleave3): Likewise.
+ (expand_vec_perm_vperm2f128_vblend): Likewise.
+ (expand_vec_perm_vpshufb2_vpermq): Likewise.
+ (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
+ (expand_vec_perm_broadcast): Likewise.
+ (expand_vec_perm_vpshufb4_vpermq2): Likewise.
+
+2012-03-30 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (gen_variable_die): Initialize off.
+
+2012-03-30 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms-f.c: New file.
+ * config/vms/t-vms (vms-f.o): New rule.
+ * config.gcc (*-*-*vms*): Define fortran_target_objs.
+
+2012-03-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52754
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
+ propagate arbitrary addresses into really plain dereferences.
+
+2012-03-30 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52772
+ * except.c (emit_to_new_bb_before): Move loop updating ...
+ (dw2_build_landing_pads): ... here. Use a proper block for
+ querying the loop father.
+
+2012-03-30 Tristan Gingold <gingold@adacore.com>
+
+ * config/ia64/ia64.c (ia64_section_type_flags): Remove
+ common_object attribute handling.
+ (SECTION_VMS_OVERLAY): Remove
+ (ia64_vms_common_object_attribute): Replace abort with an assert.
+ Do not set DECL_SECTION_NAME.
+ (ia64_vms_output_aligned_decl_common): Handle common_object
+ attribute.
+ (ia64_vms_elf_asm_named_section): Remove.
+ * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
+
+2012-03-30 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52786
+ * double-int.c (rshift_double): Remove not needed cast.
+
+2012-03-30 Richard Guenther <rguenther@suse.de>
+
+ * tree-affine.h (print_aff): Remove.
+ * tree-affine.c (print_aff): Make static.
+ * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
+ (get_references_in_stmt): Likewise.
+ (print_direction_vector): Likewise.
+ (print_dir_vectors): Likewise.
+ (print_dist_vectors): Likewise.
+ (dump_subscript): Likewise.
+ (dump_ddrs): Likewise.
+ (dump_dist_dir_vectors): Likewise.
+ (dump_data_references): Likewise.
+ (dump_data_dependence_relation): Likewise.
+ (dump_data_dependence_direction): Likewise.
+ (dump_rdg_vertex): Likewise.
+ (dump_rdg_component): Likewise.
+ (debug_ddrs): Declare.
+ (struct data_ref_loc_d): Move ...
+ * tree-data-ref.c (struct data_ref_loc_d): ... here.
+ (get_references_in_stmt): Make static.
+ (dump_data_references): Likewise.
+ (dump_subscript): Likewise.
+ (print_direction_vector): Likewise.
+ (print_dir_vectors): Likewise.
+ (print_dist_vectors): Likewise.
+ (dump_data_dependence_relation): Likewise.
+ (dump_dist_dir_vectors): Likewise.
+ (dump_ddrs): Likewise.
+ (dump_rdg_vertex): Likewise.
+ (dump_rdg_component): Likewise.
+ (debug_ddrs): New function.
+ (access_matrix_get_index_for_parameter): Remove.
+
+2012-03-30 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
+ (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
+ (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
+ (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
+ (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
+ (vms_patch_builtins): Handle new flags
+ * config/vms/vms-crtlmap.map: Completed using nm on
+ c and math system libraries.
+ * config/vms/make-crtlmap.awk: Handle any number of flags.
+
+2012-03-30 Martin Jambor <mjambor@suse.cz>
+
+ * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
+ is a builtin_stack_save in a dominating BB.
+
+2012-03-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
+ crossing 128bit lane boundary.
+
+2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
+
+ * ira-color.c (setup_left_conflict_sizes_p): Process all
+ conflicting objects.
+
+2012-03-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52760
+ * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
+ shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
+
+2012-03-29 Richard Guenther <rguenther@suse.de>
+
+ * cgraph.h (cgraph_materialize_all_clones): Remove.
+ (reset_inline_failed): Likewise.
+ * cgraphunit.c (cgraph_materialize_all_clones): Make static.
+ * cgraphbuild.c (reset_inline_failed): Remove.
+ * rtl.h (cse_main): Remove.
+ (extended_count): Likewise.
+ * cse.c (dump_class): Mark as DEBUG_FUNCTION.
+ (cse_main): Make static.
+ * combine.c (extended_count): Remove.
+ (dump_combine_stats): Mark as DEBUG_FUNCTION.
+ * basic-block.h (reorder_basic_blocks): Remove.
+ * bb-reorder.c (reorder_basic_blocks): Make static.
+ * Makefile.in (dse.o): Remove dse.h dependency.
+ * dse.h: Remove.
+ * dse.c (gate_dse): Remove.
+ (clear_alias_mode_eq): Likewise.
+ (clear_alias_mode_hash): Likewise.
+ (dse_record_singleton_alias_set): Likewise.
+ (dse_invalidate_singleton_alias_set): Likewise.
+
+2012-03-29 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
+ crtbegin_so%O%s for -shared.
+ (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
+
+2012-03-29 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (struct pre_expr_d): Remove forward declaration.
+ (add_to_value): Remove.
+ (print_value_expressions): Likewise.
+ * tree-ssa-pre.c (add_to_value): Make static.
+ (print_value_expressions): Likewise.
+ * gimple.h (gimple_adjust_this_by_delta): Remove.
+ * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
+
+2012-03-29 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/50708
+ * double-int.h (rshift_double): Remove.
+ * double-int.c (lshift_double): Use absu_hwi to make count positive.
+ (rshift_double): Make static, take unsigned count argument,
+ remove handling of negative count argument.
+ (double_int_rshift): Dispatch to lshift_double.
+
+2012-03-28 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
+ OPTION_MASK_ABI_64.
+ * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
+ (SPEC_X32): Likewise.
+ (MULTILIB_DEFAULTS): Likewise.
+ * config/i386/i386.c (isa_opts): Remove -m64.
+ (ix86_target_string): Properly handle -m32/-m64/-mx32.
+ (ix86_option_override_internal): Properly
+ set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
+ handle -m32, -m64 and -mx32.
+ * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
+ with OPTION_ABI_X32. Moved after TARGET_LP64.
+ (TARGET_LP64): Changed to OPTION_ABI_64.
+ * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
+ (mx32): Replace ISA_X32 with ABI_X32.
+
+2012-03-28 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.c (tree_size) <VECTOR_CST>: New case.
+
+2012-03-28 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
+ (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
+
+2012-03-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52691
+ * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
+ __builtin_va_start to __builtin_next_arg if the latter is
+ builtin_decl_explicit_p rather than when it is not.
+
+ PR middle-end/52750
+ * tree-vect-generic.c (vector_element): Perform multiplication
+ for pos in bitsizetype type instead of idx type.
+
+2012-03-28 Richard Guenther <rguenther@suse.de>
+
+ * loop-init.c (loop_optimizer_init): If loops are preserved
+ perform incremental initialization of required loop features.
+ (loop_optimizer_finalize): If loops are to be preserved only
+ clean up optional loop features.
+ (rtl_loop_done): Forcefully free loops here.
+ * cgraph.c (cgraph_release_function_body): Forcefully free loops.
+ * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
+ to existing loops.
+ (construct_init_block): Likewise.
+ (construct_exit_block): Likewise.
+ (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state. Cleanup
+ the CFG after expanding.
+ * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
+ If we needed to calculate them, free them afterwards.
+ * tree-pass.h (PROP_loops): New define.
+ * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
+ * basic-block.h (CLEANUP_CFG_CHANGED): New.
+ * cfgcleanup.c (merge_blocks_move): Protect loop latches.
+ (cleanup_cfg): If we did something and have loops around, fix them up.
+ * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
+ with CLEANUP_CFG_CHANGED.
+ * cfghooks.c (merge_blocks): If we merge a loop header into
+ its predecessor, update the loop structure.
+ (duplicate_block): If we copy a loop latch, adjust loop state
+ to note we may have multiple latches.
+ (delete_basic_block): Mark loops for fixup if we remove a loop.
+ * cfganal.c (forwarder_block_p): Protect loop latches, headers
+ and preheaders.
+ * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
+ (cfg_layout_can_merge_blocks_p): Likewise.
+ * cprop.c (bypass_block): If we create a loop with multiple
+ entries, mark it for removal.
+ * except.c (emit_to_new_bb_before): Add the new basic-block
+ to existing loops.
+ * tree-eh.c (lower_resx): Likewise.
+ * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
+ (expand_omp_taskreg): Likewise.
+ * tree-inline.c (initialize_cfun): Likewise.
+ * tree-mudflap.c (add_bb_to_loop): Prototype.
+ (mf_build_check_statement_for): Properly add new basic-blocks
+ to existing loops.
+ * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
+ if we remove a loop.
+ (thread_through_loop_header): Likewise.
+ * trans-mem.c (tm_log_emit_save_or_restores): Properly add
+ new basic-blocks to existing loops.
+ (expand_transaction): Likewise.
+ * Makefile.in (except.o): Add $(CFGLOOP_H).
+ (expr.o): Likewise.
+ (cgraph.o): Likewise.
+ (cprop.o): Likewise.
+ (cfgexpand.o): Likewise.
+ (cfganal.o): Likewise.
+ (trans-mem.o): Likewise.
+ (tree-eh.o): Likewise.
+
+2012-03-28 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52692
+ * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
+ (avr_builtin_decl): New static function.
+ (struct avr_builtin_description, avr_bdesc): Move up.
+ Add GTY marker. Add field fndecl. Remove redundant field id.
+ (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
+ (avr_expand_builtin): Code cleanup because .id is removed.
+
+2012-03-28 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52737
+ * config.gcc (tm_file): Remove avr/multilib.h.
+
+ * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
+
+ * config/avr/genmultilib.awk: Remove code to generate multilib.h.
+ (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
+ * config/avr/t-avr: Remove generation of multilib.h.
+ * config/avr/t-multilib: Regenerate.
+ * config/avr/multilib.h: Remove.
+ * config/avr/avr.opt (-msp8): New option.
+ (avr_sp8): New variable.
+ * config/avr/driver-avr.c (avr_device_to_sp8): New function.
+ * config/avr/avr.h (AVR_HAVE_SPH): New define.
+ (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
+ (avr_device_to_sp8): New prototype.
+ (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
+ (DRIVER_SELF_SPECS): New define.
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
+ __AVR_SP8__, __AVR_HAVE_SPH__.
+ * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
+ AVR_HAVE_8BIT_SP to decide if SP_H is present.
+ (avr_file_start): Ditto.
+
+2012-03-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52736
+ * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
+ instead of 8 in adjust_address.
+
+2012-03-27 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
+
+ PR middle-end/51893
+ * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
+ targets.
+
+2012-03-27 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/50751
+ * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
+ Rearrange conditional logic. Move displacement address calculations
+ to ...
+ (sh_find_mov_disp_adjust): ... this new function.
+
+2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/arm/arm.opt (mapcs): Remove MaskExists.
+ * config/cris/linux.opt (mno-gotplt): Likewise.
+ * config/i386/i386.opt (mhard-float): Likewise.
+ (msse4): Likewise.
+ (mno-sse4): Likewise.
+ * config/m68k/m68k.opt (mhard-float): Likewise.
+ * config/mep/mep.op (mcop32): Likewise.
+ * config/pa/pa-hpux.opt (msio): Likewise.
+ * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
+ * config/picochip/picochip.opt (mlittle): Likewise.
+ * config/sh/sh.opt (mrenesas): Likewise.
+ * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
+ * config/sparc/sparc.opt (mhard-float): Likewise.
+ * config/v850/v850.opt (mv850es): Likewise.
+ * config/vax/vax.opt (mg-float): Likewise.
+
+2012-03-27 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/52693
+ * tree-sra.c (sra_modify_assign): Do not call
+ load_assign_lhs_subreplacements when working with an unscalarizable
+ region.
+
+2012-03-27 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52698
+ * config/i386/i386-protos.h (ix86_legitimize_reload_address):
+ New prototype.
+ * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
+ * config/i386/i386.c: Include reload.h.
+ (ix86_legitimize_reload_address): New function.
+
+2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
+ hasn't been allocated. Define a target macro for Mask and
+ InverseMask if it hasn't been defined. Remove MaskExists handling.
+
+ * doc/options.texi: Remove MaskExists.
+
+2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
+
+ PR target/52667
+ * config/sh/sh.c (find_barrier): Add equality check of last_got
+ to avoid going above orig insn. Update comments.
+
+2012-03-27 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52720
+ * fold-const.c (try_move_mult_to_index): Handle &x.array more
+ explicitely.
+
+2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
+ of a unit before computing the offset in units.
+ * expr.c (get_bit_range): Return the null range if the enclosing record
+ is part of a larger bit field.
+
+2012-03-27 Tristan Gingold <gingold@adacore.com>
+
+ * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
+ * config/ia64/ia64.md: Remove mode in template.
+ Sign extend operand in expand_simple_binop.
+ * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
+ CASE_VECTOR_MODE instead of TARGET_ILP32.
+ (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
+
+2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ * varasm.c (assemble_external): #if 0 out the new assert from the
+ previous commit, it breaks the Java and Go front ends.
+
+2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ * toplev.c (check_global_declaration_1): Do not call assemble_external.
+ * expr.c (emit_block_move_libcall_fn): Likewise.
+ (clear_storage_libcall_fn): Likewise.
+ (expand_expr_addr_expr_1): Likewise.
+ (expand_expr_real_1): Likewise.
+ * calls.c (rtx_for_function_call): Likewise.
+
+ * varasm.c (assemble_external): Assert this function is only called
+ during or after expanding to RTL.
+
+2012-03-26 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/50052
+ * tree-sra.c (tree_non_aligned_mem_p): Removed.
+ (tree_non_aligned_mem_for_access_p): Likewise.
+ (build_accesses_from_assign): Removed strict alignment requirements
+ checks.
+ (access_precludes_ipa_sra_p): Likewise.
+
+2012-03-26 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52701
+ * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
+ compute and set the evolution part of PHI nodes.
+
+2012-03-26 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52721
+ * tree-vect-stmts.c (vect_init_vector): Handle scalars.
+
+2012-03-26 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ PR tree-optimization/52686
+ * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
+ WIDEN_LSHIFT_EXPR.
+
+2012-03-26 Tristan Gingold <gingold@adacore.com>
+
+ * config/alpha/vms.h (LINK_SPEC): Simplify.
+ (STARTFILE_SPEC): Remove -mvms-return-codes handling.
+ (NAME__MAIN, SYMBOL__MAIN): Remove.
+ (VMS_DEBUG_MAIN_POINTER): Remove.
+ * config/ia64/vms.h: Likewise.
+ * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
+ code to vms.c. Call vms_start_function.
+ * config/ia64/ia64.c (ia64_start_function): Likewise.
+ * config/vms/vms-protos.h (vms_start_function): Declare.
+ * config/vms/vms.c (vms_start_function): New function.
+ * config/vms/vms.h (MATH_LIBRARY): Define.
+ (VMS_DEBUG_MAIN_POINTER): Define.
+
+2012-03-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/52629
+ * reload1.c (count_pseudo): Short-circuit common case.
+ (count_spilled_pseudo): Return early for pseudos without hard regs.
+ Assert that the pseudo has got a hard reg before manipulating it.
+
+2012-03-24 Jan Hubicka <jh@suse.cz>
+
+ PR lto/51663
+ * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
+ (decide_is_variable_needed): Do not handle toplevel reorder here.
+ * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
+ * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
+ even at -O0.
+
+2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
+ and str_bitsize instead of more convoluted expressions.
+
+2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/52610
+ * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
+
+2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/52656
+ * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
+
+2012-03-23 Martin Jambor <mjambor@suse.cz>
+
+ * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
+
+2012-03-23 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52678
+ * tree-vectorizer.h (struct _stmt_vec_info): Add
+ loop_phi_evolution_part member.
+ (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
+ * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
+ STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
+ * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
+ Use the cached evolution part and the PHI nodes value from
+ the loop preheader edge instead of re-analyzing the evolution.
+
+2012-03-22 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/mips/mips-tables.opt: Update.
+ * config/mips/mips.md (processor): Add xlp.
+ * config/mips/mips-cpus.def: Add xlp.
+ * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
+ 5KF for now.
+ * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
+ * doc/invoke.texi: Mention XLP.
+
+2012-03-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52547
+ * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
+ on any new_local_var_chain vars declared during recursing on
+ GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
+
+2012-03-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
+ (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
+ (ASM_OUTPUT_LOCAL): Ditto.
+ (ASM_OUTPUT_COMMON): Remove.
+ * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
+ * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
+
+2012-03-22 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/51737
+ * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
+ parameter.
+ * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
+ * ipa-inline-transform.c (save_inline_function_body): Remove
+ copied clone if needed.
+ * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
+
+2012-03-22 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52666
+ * fold-const.c (fold_ternary_loc): Fix typo.
+
+2012-03-22 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52496
+ * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
+ (unspecv): Add UNSPECV_MEMORY_BARRIER.
+ (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
+ (delay_cycles_1, delay_cycles_2): Ditto.
+ (delay_cycles_3, delay_cycles_4): Ditto.
+ (nopv, *nopv): Ditto.
+ (sleep, *sleep): Ditto.
+ (wdr, *wdr): Ditto.
+
+2012-03-22 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52548
+ * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
+ because of clobbers.
+ (prune_clobbered_mems): New function.
+ (compute_antic_aux): Use it to prune ANTIC_OUT.
+ (compute_partial_antic_aux): Use it to prune PA_IN.
+ (compute_avail): Only insert expressions into EXP_GEN that are not
+ invalidated when translated up to the beginning of the block.
+
+2012-03-22 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52638
+ * tree-vect-stmts.c (vect_init_vector_1): New function, split
+ out from ...
+ (vect_init_vector): ... here. Handle scalar vector inits.
+ (vect_get_vec_def_for_operand): Adjust.
+ (vectorizable_load): Likewise.
+
+2012-03-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
+ (alpha*-*-freebsd*): Ditto.
+ (alpha*-*-netbsd*): Ditto.
+ (alpha*-*-openbsd*): Ditto.
+ * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
+ (DWARF2_DEBUGGING_INFO): Remove.
+ (PREFERRED_DEBUGGING_TYPE): Remove.
+ (ASM_FINAL_SPEC): Remove.
+ (IDENT_ASM_OP): Remove.
+ (ASM_OUTPUT_IDENT): Remove.
+ (SKIP_ASM_OP): Remove.
+ (ASM_OUTPUT_SKIP): Remove.
+ (ALIGN_ASM_OP): Remove.
+ (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
+ (ASM_OUTPUT_CASE_LABEL): Remove.
+ (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
+ (COMMON_ASM_OP): Remove.
+ (ASM_OUTPUT_ALIGNED_COMMON): Remove.
+ (ASCII_DATA_ASM_OP): Remove.
+ (READONLY_DATA_SECTION_ASM_OP): Remove.
+ (INIT_SECTION_ASM_OP): Remove.
+ (FINI_SECTION_ASM_OP): Remove.
+ (ASM_SECTION_START_OP): Remove.
+ (ASM_OUTPUT_SECTION_START_FILE): Remove.
+ (TARGET_ASM_NAMED_SECTION): Remove.
+ (TARGET_ASM_SELECT_SECTION): Remove.
+ (MAKE_DECL_ONE_ONLY): Remove.
+ (TYPE_ASM_OP): Remove.
+ (SIZE_ASM_OP): Remove.
+ (ASM_WEAKEN_LABEL): Remove.
+ (TYPE_OPERAND_FMT): Remove.
+ (ASM_DECLARE_RESULT): Remove.
+ (ASM_DECLARE_OBJECT_NAME): Remove.
+ (ASM_FINISH_DECLARE_OBJECT): Remove.
+ (ELF_ASCII_ESCAPES): Remove.
+ (ELF_STRING_LIMIT): Remove.
+ (STRING_ASM_OP): Remove.
+ (ASM_OUTPUT_EXTERNAL): Remove.
+ (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
+ * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
+ before define.
+ (ASM_DECLARE_FUNCTION_NAME): Ditto.
+ (ASM_DECLARE_FUNCTION_SIZE): Ditto.
+ (ASM_GENERATE_INTERNAL_LABEL): Ditto.
+ (ASM_OUTPUT_SKIP): Ditto.
+ (READONLY_DATA_SECTION_ASM_OP): Remove.
+ (USER_LABEL_PREFIX): Remove.
+ (ASM_OUTPUT_ASCII): Remove.
+ (ASM_OUTPUT_CASE_LABEL): Remove.
+ (NO_DOLLAR_IN_LABEL): Undefine.
+
+2012-03-22 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52459
+ * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
+ PHI insertion for calls.
+
+2012-03-21 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
+ find_sets_in_insn, canonicalize_insn): Split out from ...
+ (cse_insn): ... here.
+ (invalidate_from_clobbers): Take an insn instead of the pattern.
+
+2012-03-21 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/52479
+ * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
+ * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
+ * config/sh/sh.md (sindf2, cosdf2): Remove.
+
+2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/52642
+ * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
+ prologue for unwinder and profiler.
+
+2012-03-21 Andreas Tobler <andreast@fgznet.ch>
+
+ * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
+ Introduce emul_name to select the right linker emulation for
+ powerpc64-*-freebsd*.
+ * configure: Regenerate.
+ * config.gcc: Add bits to support powerpc64-*-freebsd*.
+ * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
+ * config/rs6000/freebsd64.h: New file.
+ * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
+ POWERPC_FREEBSD.
+ (rs6000_savres_strategy): Likewise.
+ (rs6000_savres_routine_name): Likewise.
+ (rs6000_elf_file_end): Likewise.
+ * config/rs6000/t-freebsd64: New file.
+ * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
+ rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
+
+ * config/rs6000/freebsd64.h: Remove duplicated entries from last
+ commit.
+ * config/rs6000/t-freebsd64: Likewise.
+
+2012-03-21 Georg-Johann Lay <avr@gjlay.de>
+
+ PR rtl-optimization/52543
+ PR target/52461
+ * config/avr/avr-protos.h (avr_load_lpm): New prototype.
+ * config/avr/avr.c (avr_mode_dependent_address_p): New function.
+ (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
+ (avr_load_libgcc_p): Restrict to __flash loads.
+ (avr_out_lpm): Only handle 1-byte loads from __flash.
+ (avr_load_lpm): New function.
+ (avr_find_unused_d_reg): Remove.
+ (avr_out_lpm_no_lpmx): Remove.
+ (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
+ * config/avr/avr.md (unspec): Add UNSPEC_LPM.
+ (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
+ (load_<mode>, load_<mode>_clobber): New insns.
+ (mov<mode>): For multi-byte move from non-generic
+ 16-bit address spaces: Expand to load_<mode> resp.
+ load_<mode>_clobber.
+ (load<mode>_libgcc): Remove expander.
+ (split-lpmx): Remove split.
+
+2012-03-21 Richard Earnshaw <rearnsha@arm.com>
+
+ * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
+ * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
+ All callers changed.
+ (Fixed_core_reg): New feature.
+ (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg. Allow fmrrd in
+ disassembly.
+ * neon-testgen.ml: Handle Fixed_core_reg.
+
+2012-03-21 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/arm/arm.c (thumb2_reorg): Add complete support
+ for 16-bit instructions.
+ * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
+
+2012-03-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimizer/52636
+ * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
+ to the appropriate type.
+
+2012-03-21 Richard Guenther <rguenther@suse.de>
+
+ * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
+ dependencies.
+ * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
+ pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
+ * passes.c (init_optimization_passes): Remove pass_init_function,
+ pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
+ * tree-pass.h (pass_init_function): Remove.
+ (pass_jump): Remove.
+ (pass_initial_value_sets): Remove.
+ (pass_unshare_all_rtl): Remove.
+ * integrate.c (pass_initial_value_sets): Remove.
+ * emit-rtl.c (pass_unshare_all_rtl): Remove.
+ * tree.h (init_function_for_compilation): Remove.
+ * function.c (init_function_for_compilation): Remove.
+ (pass_init_function): Remove.
+ * cfgcleanup.c (rest_of_handle_jump): Remove.
+ (pass_jump): Remove.
+
+2012-03-20 Jason Merrill <jason@redhat.com>
+
+ * tree-streamer-in.c (streamer_alloc_tree): Call
+ ggc_alloc_zone_cleared_tree_node instead of
+ ggc_alloc_zone_cleared_tree_node_stat.
+
+2012-03-20 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/extend.texi (Template Instantiation): Remove anachronisms.
+
+2012-03-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52607
+ * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
+ (ix86_expand_vec_perm_const_1): Call it.
+
+ * config/i386/i386.c (vselect_insn): New variable.
+ (init_vselect_insn): New function.
+ (expand_vselect, expand_vselect_insn): Add testing_p argument.
+ Call init_vselect_insn if vselect_insn is NULL. Adjust
+ PATTERN (vselect_insn), instead of creating a new insn each time,
+ only emit a copy of it if not testing and recog has been successful.
+ (expand_vec_perm_pshufb, expand_vec_perm_1,
+ expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
+ callers.
+
+ PR target/52607
+ * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
+ ("enabled" attribute): Handle avx2 and noavx2 isas.
+ * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
+ New insns.
+ (vec_dup<mode>): Add avx2 =x,x alternative.
+ (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
+ (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
+ For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
+ * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
+ for V8SFmode.
+ (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
+ if possible, handle also V8SFmode.
+
+2012-03-20 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
+ * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
+ reg_or_zero_operand predicate.
+ (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
+
+2012-03-20 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
+ If operand isn't UNSPEC, return 0.
+
+2012-03-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-pass.h (pass_rtl_eh): Remove.
+ * except.c (gate_handle_eh): Likewise.
+ (rest_of_handle_eh): Likewise.
+ (pass_rtl_eh): Likewise.
+ (finish_eh_generation): Export.
+ * except.h (finish_eh_generation): Declare.
+ * passes.c (init_optimization_passes): Remove pass_rtl_eh.
+ * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
+ after expanding stack alignment. Instead of compacting blocks
+ call cleanup_cfg.
+
+2012-03-20 Richard Guenther <rguenther@suse.de>
+
+ * stor-layout.c (finish_bitfield_representative): Fallback
+ to conservative maximum size if the padding up to the next
+ field cannot be computed as a constant.
+ (finish_bitfield_layout): If we cannot compute the distance
+ between the start of the bitfield representative and the
+ bitfield member start a new representative.
+ * expr.c (get_bit_range): The distance between the start of
+ the bitfield representative and the bitfield member is zero
+ if the field offsets are not constants.
+
+2012-03-20 Tristan Gingold <gingold@adacore.com>
+
+ * tree.h (enum size_type_kind): Add stk_ prefix to constants,
+ convert in lowercase.
+ (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
+ (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
+ * stor-layout.c (sizetype_tab): Adjust.
+ (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
+ * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
+ instead of type_kind_last.
+ * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
+ instead of size_int_kind.
+ * doc/tm.texi.in (Type Layout): Document SIZETYPE.
+ * doc/tm.texi: Regenerate.
+ * defaults.h (SIZETYPE): Provide a default value.
+ * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
+ (SIZETYPE): Define.
+
+2012-03-20 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.md: Use braced string notation where applicable.
+
+2012-03-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (allocate_stack): Simplify.
+
+2012-03-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
+ copy_to_mode_reg (Pmode, ...).
+ (expand_builtin_frame_address): Ditto.
+ * expr.c (emit_block_move_via_libcall): Ditto.
+ (set_storage_via_libcall): Ditto.
+
+ * config/i386/i386.c (ix86_expand_movmem): Ditto.
+ (ix86_expand_setmem): Ditto.
+ (ix86_trampoline_init): DItto.
+ * config/i386/i386.md (cmpstrnsi): Ditto.
+
+2012-03-19 Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
+ * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
+ * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
+ (SH Options): Likewise.
+
+2012-03-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
+ Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
+ (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
+ DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
+ (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
+
+ Revert:
+ 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
+ * config/i386/i386.c (ix86_decompose_address): Use
+ TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
+ (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
+ thread pointer to a register.
+
+ Revert:
+ 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
+ if Pmode != word_mode.
+ (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
+ Pmode == SImode for TARGET_X32.
+ * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
+ (tls_initial_exec_x32): Likewise.
+
+2012-03-19 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/50751
+ * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
+ DISP_ADDR_OFFSET): New macros.
+ * config/sh/sh.c (sh_address_cost): Add SH2A special case.
+ (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
+ (sh_legitimize_address): Add QImode displacement handling.
+ (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
+ vector subregs.
+ (sh_secondary_reload): Add QImode displacement handling.
+ * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
+ * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
+ * config/sh/sh.md (extendqisi2): Remove constraints from expander.
+ (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
+ to register operands only.
+ (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
+ (extendqihi2): Change insn to expander.
+ (*extendqihi2_compact_reg): New insn.
+ (movqi_i, movqi): Replace with ...
+ (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
+ *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
+ Add new peepholes for QImode displacement addressing.
+
+2012-03-19 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/14710
+ * doc/invoke.texi: Document -Wuseless-cast.
+
+2012-03-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
+ * tree.h (handled_component_p): Reorder cases.
+ * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
+ not initialize unsignedp.
+ (loc_list_from_tree): Likewise.
+ (fortran_common): Likewise.
+ * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
+
+2012-03-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
+ mode consistently. Use ix86_gen_add3. Assert that Pmode == DImode.
+ (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
+ (ix86_split_long_move): Ditto.
+ (legitimize_tls_address): Use ix86_gen_sub3.
+ (construct_plt_address): Assert that Pmode == DImode.
+
+2012-03-18 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md: Remove empty predicates and/or constraints.
+ * config/i386/sync.md: Ditto.
+ * config/i386/sse.md: Ditto.
+ * config/i386/mmx.md: Ditto.
+ * config/i386/pentium.md: Ditto.
+ * config/i386/athlon.md: Ditto.
+
+2012-03-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52603
+ * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
+ comment.
+
+ Revert
+ 2012-03-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52571
+ * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
+ flag_section_anchors check ...
+ (vect_can_force_dr_alignment_p): ... here.
+
+2012-03-16 Martin Jambor <mjambor@suse.cz>
+
+ * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
+ memory through MEM_REFs by calling extract_bit_field.
+
+2012-03-16 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
+ and REFERENCE_TYPE interpretations.
+ (can_native_interpret_type_p): New function.
+ (fold_ternary_loc): Use native encode/interpret to fold
+ BIT_FIELD_REFs of constants.
+
+2012-03-16 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52584
+ * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
+ of vector constants and constructors.
+
+2012-03-16 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
+ VIEW_CONVERT_EXPR to convert constants.
+ (vect_is_simple_use): Treat all constants as vec_constant_def.
+
+2012-03-16 Richard Guenther <rguenther@suse.de>
+ Kai Tietz <ktietz@redhat.com>
+
+ PR middle-end/48814
+ * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
+ side-effects completely in the pre-queue and use a temporary
+ for the result.
+
+2012-03-16 Richard Guenther <rguenther@suse.de>
+
+ * stor-layout.c (finish_bitfield_representative): Fall back
+ to the conservative maximum size if we cannot compute the
+ size of the tail padding.
+
+2012-03-16 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
+ __CRTL_VER and __VMS_VER.
+ * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
+ and vms_c_get_vms_ver.
+ * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
+ functions.
+ * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
+ (VMS_DEFAULT_VMS_VER): Define.
+ * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
+ (VMS_DEFAULT_VMS_VER): Define.
+
+2012-03-16 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-loop.c (get_initial_def_for_induction): Use
+ build_constructor directly.
+ * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
+ build_vector_from_val.
+ * tree.c (build_vector_from_val): Avoid creating a constructor
+ first when we want a constant vector.
+
+2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
+
+2012-03-16 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (TREE_VECTOR_CST_ELTS): Remove.
+ (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
+ (struct tree_vector): Remove elements member, add variable size
+ elts array member.
+ (build_vector_stat): Declare.
+ (build_vector): Define in terms of build_vector_stat.
+ * tree.c (build_vector): Rename to ...
+ (build_vector_stat): ... this. Take array of trees as parameter.
+ (build_vector_from_ctor): Adjust.
+ (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
+ initializer_zerop): Adjust.
+ * cfgexpand.c (expand_debug_expr): Likewise.
+ * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
+ const_vector_from_tree): Likewise.
+ * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
+ native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
+ fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
+ * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
+ (lto_input_ts_vector_tree_pointers): Adjust.
+ * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
+ (write_ts_vector_tree_pointers): Adjust.
+ * varasm.c (const_hash_1, compare_constant, copy_constant,
+ output_constant): Adjust.
+ * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
+ * print-tree.c (print_node): Adjust.
+ * tree-pretty-print.c (dump_generic_node): Adjust.
+ * tree-vect-generic.c (uniform_vector_p, vector_element,
+ lower_vec_perm): Adjust.
+ * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
+ * tree-vect-slp.c (vect_get_constant_vectors,
+ vect_transform_slp_perm_load): Adjust.
+ * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
+ * expmed.c (make_tree): Adjust.
+ * config/i386/i386.c (ix86_expand_builtin): Adjust.
+ * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
+ and implementation.
+ (sparc_fold_builtin): Adjust.
+
+2012-03-16 Tristan Gingold <gingold@adacore.com>
+
+ * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
+ * config/vms/vms-stdint.h: New file.
+
+2012-03-16 Tristan Gingold <gingold@adacore.com>
+
+ * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
+ (ia64-hp-*vms*): Replaced by ...
+ (*-*-*vms*): ... This new entry.
+
+2012-03-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52568
+ * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
+ (ix86_expand_vec_perm_const_1): Use it.
+
+ PR target/52568
+ * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
+ (avx2_permv4df): Remove.
+ (avx2_permv4di): Macroize into...
+ (avx2_perm<mode>): ... this using VI8F_256 iterator.
+ (avx2_permv4di_1): Macroize into...
+ (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
+
+2012-03-15 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * combine.c (apply_distributive_law): Do not distribute SUBREG.
+
+2012-03-15 Ira Rosen <irar@il.ibm.com>
+ Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * tree-vect-patterns.c (widened_name_p): Rename to ...
+ (type_conversion_p): ... this. Add new argument to determine
+ if it's a promotion or demotion operation. Check for
+ CONVERT_EXPR_CODE_P instead of NOP_EXPR.
+ (vect_recog_dot_prod_pattern): Call type_conversion_p instead
+ widened_name_p.
+ (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
+ vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
+ Likewise.
+ (vect_recog_mixed_size_cond_pattern): Likewise and allow
+ non-constant then and else clauses.
+
+2012-03-15 Ira Rosen <irar@il.ibm.com>
+ Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * tree-vectorizer.h (vect_pattern_recog): Add new argument.
+ * tree-vect-loop.c (vect_analyze_loop_2): Update call to
+ vect_pattern_recog.
+ * tree-vect-patterns.c (widened_name_p): Pass basic block
+ info to vect_is_simple_use.
+ (vect_recog_dot_prod_pattern): Fail for basic blocks.
+ (vect_recog_widen_sum_pattern): Likewise.
+ (vect_handle_widen_op_by_const): Support basic blocks.
+ (vect_operation_fits_smaller_type,
+ vect_recog_over_widening_pattern): Likewise.
+ (vect_recog_vector_vector_shift_pattern): Support basic blocks.
+ Update call to vect_is_simple_use.
+ (vect_recog_mixed_size_cond_pattern): Support basic blocks.
+ Add printing.
+ (check_bool_pattern): Add an argument, update call to
+ vect_is_simple_use and the recursive calls.
+ (vect_recog_bool_pattern): Update relevant function calls.
+ Add printing.
+ (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
+ (vect_pattern_recog_1): Check for reduction only in loops.
+ (vect_pattern_recog): Add new argument. Support basic blocks.
+ * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
+ info to vect_is_simple_use_1.
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
+ (vect_slp_analyze_bb_1): Call vect_pattern_recog.
+
+2012-03-15 Jakub Jelinek <jakub@redhat.com>
+ Andrew Pinski <apinski@cavium.com>
+
+ PR middle-end/52592
+ * builtins.c (expand_builtin_int_roundingfn_2): If expanding
+ BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
+ calls instead of __builtin_ir{int,ound}*.
+
+2012-03-15 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
+ documentation.
+
+2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ * config.gcc (target_type_format_char): New. Document it. Set it for
+ arm*-*-* .
+ * configure.ac (gnu_unique_option): Use target_type_format_char
+ in test. Comment rationale.
+ * configure: Regenerate .
+
+2012-03-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52267
+ * tree-vrp.c (masked_increment): New function.
+ (register_edge_assert_for_2): Derive ASSERT_EXPRs
+ from (X & CST1) cmp CST2 tests.
+
+2012-03-15 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52580
+ * tree-data-ref.c (subscript_dependence_tester_1): Check
+ all dimensions for non-conflicting access functions.
+
+2012-03-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c++/44783
+ * doc/invoke.texi [C++ Language Options]: Document
+ -ftemplate-backtrace-limit.
+
+2012-03-15 Tristan Gingold <gingold@adacore.com>
+
+ * c-parser.c (c_parser_parameter_declaration): Handle #pragma
+ before a parameter.
+
+2012-03-15 Tristan Gingold <gingold@adacore.com>
+
+ * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
+ use DW_OP_call_frame_cfa.
+
+2012-03-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/50797
+ * config/i386/i386-opts.h (pmode): New.
+ * config/i386/i386.c (ix86_option_override_internal): Properly
+ check and set ix86_pmode.
+ * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
+ * config/i386/i386.opt (maddress-mode=): New.
+ * doc/invoke.texi: Document -maddress-mode=short|long for x86.
+
+2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
+ (dwarf2out_do_cfi_asm): Likewise.
+ * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
+ handling.
+ (add_data_member_location_attribute): Likewise.
+ (gen_array_type_die): Likewise.
+ (gen_subprogram_die): Likewise.
+ (gen_producer_string): Likewise.
+ * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
+ Remove MIPS_DEBUGGING_INFO handling.
+ (sdb_debug_hooks): Likewise.
+ (sdbout_begin_block): Likewise.
+ (sdbout_end_block): Likewise.
+ (sdbout_begin_prologue): Likewise.
+ (sdbout_start_source_file): Likewise.
+ (sdbout_end_source_file): Likewise.
+ (sdbout_init): Likewise.
+ * system.h (MIPS_DEBUGGING_INFO): Poison.
+
+2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
+ (alpha_file_start) [MS_STAMP]: Remove.
+
+ * config/alpha/elf.h (TARGET_GAS): Remove.
+ * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
+ * config/alpha/linux.h (TARGET_DEFAULT): Remove.
+ * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
+ * config/alpha/vms.h (TARGET_DEFAULT): Remove.
+ * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
+ (alpha*-*-freebsd*): Likewise.
+ (alpha*-*-netbsd*): Likewise.
+ (alpha*-*-openbsd*): Likewise.
+ (alpha*-*-*): Remove target_cpu_default2.
+ * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
+ handling.
+ * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
+ (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
+ * config/alpha/alpha.c (print_operand): Always assume
+ TARGET_AS_SLASH_BEFORE_SUFFIX.
+ * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
+ Remove TARGET_AS_CAN_SUBTRACT_LABELS.
+ ("*builtin_setjmp_receiver_er_1"): Remove.
+ * config/alpha/alpha.opt (malpha-as): Remove.
+ (mgas): Ignore.
+ * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
+ -malpha-as, -mgas.
+ Remove DEC Unix reference.
+
+ * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
+ (EXTENDED_COFF): Remove.
+ * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
+ (EXTENDED_COFF): Don't undef.
+ * config/alpha/alpha.c (alpha_file_start): Always assume
+ OBJECT_FORMAT_ELF.
+ Don't set targetm.asm_file_start_file_directive.
+ [!OBJECT_FORMAT_ELF]: Remove.
+ (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
+
+ * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
+ (DBX_DEBUGGING_INFO): Remove.
+ (MIPS_DEBUGGING_INFO): Remove.
+ (PREFERRED_DEBUGGING_TYPE): Remove.
+ (DBX_OUTPUT_SOURCE_LINE): Remove.
+ (SDB_OUTPUT_SOURCE_LINE): Remove.
+ (DBX_CONTIN_LENGTH): Remove.
+ (NO_DBX_FUNCTION_END): Remove.
+ (ASM_STABS_OP): Remove.
+ (ASM_STABN_OP): Remove.
+ (ASM_STABD_OP): Remove.
+ (SDB_ALLOW_FORWARD_REFERENCES): Remove.
+ (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
+ (PUT_SDB_DEF): Remove.
+ (PUT_SDB_PLAIN_DEF): Remove.
+ (PUT_SDB_TYPE): Remove.
+ (sdb_label_count): Remove.
+ (PUT_SDB_BLOCK_START): Remove.
+ (PUT_SDB_BLOCK_END): Remove.
+ (PUT_SDB_FUNCTION_START): Remove.
+ (PUT_SDB_FUNCTION_END): Remove.
+ (PUT_SDB_EPILOGUE_END): Remove.
+ * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
+ (MIPS_DEBUGGING_INFO): Don't undef.
+ (DBX_DEBUGGING_INFO): Don't undef.
+ * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
+ (MIPS_DEBUGGING_INFO): Don't undef.
+ (DBX_DEBUGGING_INFO): Don't undef.
+ * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
+ * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
+ handling.
+ (alpha_start_function): Likewise.
+ (sdb_label_count): Remove.
+ (alpha_output_filename): Remove DBX_DEBUG handling.
+ (alpha_file_start): Likewise.
+
+2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
+ (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
+ (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
+ Solaris 8 support.
+ * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
+ (ld_tls_support): Remove Solaris 8 references.
+ (lwp_dir, lwp_spec): Remove support for alternate thread library.
+ * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
+ * config/i386/sol2.h: Remove Solaris 8 references.
+
+ * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
+ (i?86-*-solaris2.9): ... this.
+ Remove Solaris 8 references.
+ (Specific, *-*-solaris2*): Document Solaris 8 removal.
+ Remove Solaris 8 references.
+
+2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
+ (mips-sgi-irix6.5*): Remove.
+ * config.host (mips-sgi-irix*): Remove.
+ * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
+ (set_have_as_tls): Remove *-*-irix6*.
+ (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
+ * configure: Regenerate.
+
+ * config/mips/iris6.h: Remove.
+ * config/mips/iris6.opt: Remove.
+ * config/mips/t-irix6: Remove.
+
+ * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
+ (TARGET_IRIX6): Remove.
+ (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
+ Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
+ * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
+ handling.
+ (mips_file_start): Likewise.
+ * config/mips/mips-protos.h (irix_asm_output_align): Remove.
+
+ * config/mips/driver-native.c [__sgi__]: Remove.
+ (host_detect_local_cpu) [__sgi__]: Remove.
+
+ * config/mips/gnu-user.h: Remove iris5.h reference.
+
+ * config/mips/mips-modes.def: Remove IRIX 6 reference.
+ * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
+ * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
+ Remove.
+
+ * gcc.c (main): Move asm_debug initialization ...
+ (asm_debug): ... here.
+
+ * ginclude/stddef.h (__STDDEF_H__): Don't define.
+
+ * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
+ * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
+ * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
+ (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
+ [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
+ * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
+ Remove.
+ * doc/tm.texi: Regenerate.
+
+ * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
+ IRIX 6 reference.
+ (MIPS Options, -march): Remove IRIX reference.
+ * doc/install.texi (Binaries, SGI IRIX): Remove.
+ (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
+ of section.
+ * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
+
+2012-03-14 Martin Jambor <mjambor@suse.cz>
+
+ * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
+ when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
+ (expand_expr_real_1): Do not handle misalignment if modifier is
+ EXPAND_WRITE.
+
+2012-03-14 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52584
+ * tree-vect-generic.c (type_for_widest_vector_mode): Take
+ element type instead of mode, use build_vector_type_for_mode
+ instead of the langhook, build a vector of proper signedness.
+ (expand_vector_operations_1): Adjust.
+
+2012-03-14 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52582
+ * gimple-fold.c (canonicalize_constructor_val): Make sure we have
+ a cgraph node for a FUNCTION_DECL that comes from a constructor.
+ (gimple_get_virt_method_for_binfo): Likewise.
+
+2012-03-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52571
+ * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
+ flag_section_anchors check ...
+ (vect_can_force_dr_alignment_p): ... here. Do not re-align
+ DECL_COMMON variables.
+
+2012-03-14 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
+ * stor-layout.c (start_bitfield_representative): New function.
+ (finish_bitfield_representative): Likewise.
+ (finish_bitfield_layout): Likewise.
+ (finish_record_layout): Call finish_bitfield_layout.
+ * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
+ for QUAL_UNION_TYPE fields.
+ * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
+ Stream DECL_BIT_FIELD_REPRESENTATIVE.
+ * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
+
+ PR middle-end/52080
+ PR middle-end/52097
+ PR middle-end/48124
+ * expr.c (get_bit_range): Unconditionally extract bitrange
+ from DECL_BIT_FIELD_REPRESENTATIVE.
+ (expand_assignment): Adjust call to get_bit_range.
+
+2012-03-14 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52578
+ * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
+ the outermost conversion is a sign-change only.
+ (fold_binary_loc): Disregard widening and sign-changing
+ conversions when we determine if two variables are equal
+ for reassociation.
+ * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
+ (T1)x if the outermost conversion is a sign-change only.
+
+2012-03-14 Uros Bizjak <ubizjak@gmail.com>
+
+ Revert:
+ 2012-03-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/predicates.md (constant_call_address_operand): Declare
+ as special predicate. Update all uses.
+
+2012-03-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/52577
+ * c-parser.c (c_parser_postfix_expression)
+ <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
+
+ * config/i386/smmintrin.h: Avoid /* within a comment.
+ * config/i386/nmmintrin.h: Likewise.
+
+2012-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (xbegin): Remove constraint from expander.
+
+2012-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/predicates.md (constant_call_address_operand): Declare
+ as special predicate. Update all uses.
+ * config/i386/i386.md: Remove mode from constant_call_address_operand
+ predicates.
+ * config/i386/i386.c (ix86_output_call_insn): Call
+ constant_call_address_operand with VOIDmode.
+
+2012-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_decompose_address): Handle subregs of
+ AND zero extended address correctly.
+
+2012-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/predicates.md (tls_symbolic_operand): Declare as
+ special predicate.
+ (tls_modbase_operand): Ditto.
+ * config/i386/i386.md: Remove mode from tls_symbolic_operand and
+ tls_modbase_operand predicates.
+
+2012-03-13 Martin Jambor <mjambor@suse.cz>
+
+ * expr.c (expand_assignment): Handle misaligned scalar writes to
+ memory through top-level MEM_REFs by calling store_bit_field.
+
+2012-03-13 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52134
+ * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
+ if Y is a constant multiple of 1 << CST.
+
+2012-03-13 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52488
+ * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
+ offset (size) to a value the insns can deal with.
+ (expand_epilogue): Ditto.
+
+2012-03-13 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/neon.ml (ops): Fixup expected instructions for
+ unsigned vector compares.
+
+2012-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
+ addresses only when %reg is not in word mode.
+
+2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/microblaze/microblaze.md: Fix typo.
+ * tree-if-conv.c: Likewise.
+ * tree-vect-patterns.c: Likewise.
+
+2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc (extra_passes): Remove.
+ * configure.ac (extra_passes): Don't substitute.
+ * configure: Regenerate.
+ * Makefile.in (EXTRA_PASSES): Remove.
+ (GCC_PASSES): Remove $(EXTRA_PASSES).
+ (MOSTLYCLEANFILES): Likewise.
+ (native): Likewise.
+ (install-common): Likewise.
+
+2012-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
+ * config/i386/i386.c (ix86_decompose_address): Use
+ TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
+ (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
+ thread pointer to a register.
+
+2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
+ on tls_symbolic_operand.
+ (tls_global_dynamic_64_<mode>): Likewise.
+
+2012-03-12 Georg-Johann Lay <avr@gjlay.de>
+
+ PR other/52545
+ * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
+ SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
+
+2012-03-12 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52499
+ * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
+ type from reg_class_t to enum reg_class.
+ * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
+
+2012-03-12 Andrew Pinski <apinski@cavium.com>
+
+ * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
+ (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
+ (value_replacement): Likewise.
+ (empty_block_p): Check also if the PHIs for the block are empty.
+
+2012-03-12 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52148
+ * config/avr/avr.c (avr_out_movmem): Fix typo in output template
+ for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
+ r184615 from 2012-02-28.
+
+2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
+ (ix86_gen_tls_local_dynamic_base_64): Likewise.
+ (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
+ and ix86_gen_tls_local_dynamic_base_64.
+ (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
+ ix86_gen_tls_local_dynamic_base_64.
+ * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
+ (*tls_global_dynamic_64_<mode>): This.
+ (tls_global_dynamic_64): Renamed to ...
+ (tls_global_dynamic_64_<mode>): This.
+ (*tls_local_dynamic_base_64): Renamed to ...
+ (*tls_local_dynamic_base_64_<mode>): This.
+ (tls_local_dynamic_base_64): Renamed to ...
+ (tls_local_dynamic_base_64_<mode>): This.
+
+2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_option_override_internal): Properly
+ set ix86_gen_leave and ix86_gen_monitor. Check Pmode == DImode,
+ instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
+ ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
+ ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
+ * config/i386/sse.md (sse3_monitor64): Renamed to ...
+ (sse3_monitor64_<mode>): This.
+
+2012-03-12 Tristan Gingold <gingold@adacore.com>
+
+ * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
+ (ia64_function_arg_advance): Ditto.
+
+2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc (mips*-*-openbsd*): Remove.
+ * config/mips/openbsd.h: Remove.
+ * config/mips/sdb.h: Remove.
+
+ * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
+ * config/mips/mips.c (sdb_label_count): Remove.
+ (mips_debugger_offset): Remove #if 0 code.
+ (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
+ * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
+
+2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
+ binutils reference.
+ (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
+ Update binutils references.
+ (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
+ Update binutils reference.
+ Update Sun as/GNU ld caveat.
+ Document binutils largefile requirement for LTO plugin.
+ Remove reference to alternate libpthread.
+
+2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc (alpha*-dec-osf5.1*): Remove.
+ * config.host (alpha*-dec-osf*): Remove.
+ * configure.ac (*-*-osf*): Remove.
+ (alpha*-dec-osf*): Remove.
+ * configure: Regenerate.
+
+ * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
+ config/alpha/va_list.h, config/alpha/x-osf: Remove.
+
+ * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
+ * config/alpha/alpha.c (struct machine_function): Update comment.
+ (alpha_start_function): Remove Tru64 UNIX as handling for
+ max_frame_size.
+ * config/alpha/alpha.md ("exception_receiver"): Remove
+ TARGET_LD_BUGGY_LDGP.
+ ("*exception_receiver_2"): Likewise.
+ * except.c (finish_eh_generation): Remove Tru64 reference.
+ * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
+ * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
+ * target.def (handle_pragma_extern_prefix): Remove.
+
+ * Makefile.in (mips-tfile.o-warn): Remove.
+ (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
+ (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
+ * mips-tdump.c, mips-tfile.c: Remove.
+
+ * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
+ extern_prefix.
+ * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
+ (Specific, alpha*-dec-osf5.1): Note removal.
+ * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
+ Remove.
+ * doc/tm.texi: Regenerate.
+ * doc/trouble.texi (Cross-Compiler Problems): Remove.
+
+2012-03-12 Richard Guenther <rguenther@suse.de>
+
+ * config/arm/arm.c (neon_dereference_pointer): Do not call
+ covert during RTL expansion.
+
+2012-03-12 Tristan Gingold <gingold@adacore.com>
+
+ * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
+ Options. Mention -mpointer-size.
+
+2012-03-12 Richard Guenther <rguenther@suse.de>
+
+ * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
+ build_nonstandard_integer_type.
+
+2012-03-12 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (signed_or_unsigned_type_for): Use
+ build_nonstandard_integer_type.
+ (signed_type_for): Adjust documentation.
+ (unsigned_type_for): Likewise.
+ * tree-pretty-print.c (dump_generic_node): Use standard names
+ for non-standard integer types if available.
+
+2012-03-12 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms.opt: Add vms-opts.h header.
+ (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
+ target mask.
+ (-mvms-return-codes): Document.
+ (-mpointer-size): New option.
+ (vms_pointer_size): Add enumeration.
+ * config/vms/vms-opts.h: New file.
+ * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
+ __INITIAL_POINTER_SIZE.
+ (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
+ (C_COMMON_OVERRIDE_OPTIONS): Define.
+ (DWARF2_ADDR_SIZE): Define.
+ * config/vms/vms.c (vms_patch_builtins): Adjust condition.
+ * config/vms/vms-protos.h (vms_c_common_override_options):
+ New prototype.
+ * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
+ if -mno-pointer-size.
+ (vms_c_common_override_options): New function.
+ * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
+ * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
+ (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
+ and flag_vms_pointer_size.
+ (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
+ * config.gcc (*-*-*vms*): Define xm_file.
+ (alpha*-dec-*vms*): Do not define xm_file.
+ (alpha64-dec-*vms*): Remove.
+ (ia64-hp-*vms*): Do not define xm_file. Simplify tm_file
+ and tmake_file.
+
+2012-03-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51721
+ * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
+ if (int) unsvar cmp CST.
+
+2012-03-12 Richard Guenther <rguenther@suse.de>
+
+ * tree-sra.c (create_access_replacement): Only rename the replacement
+ if we can rewrite it into SSA form. Properly mark register typed
+ replacements that we cannot rewrite with TREE_ADDRESSABLE.
+ * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
+ for aggregate or BLKmode results.
+
+2012-03-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52533
+ * tree-vrp.c (register_edge_assert_for_2): Use double_int
+ type for mask, only handle shifts by non-zero in-range
+ shift count, for LE_EXPR and GT_EXPR if new_val is
+ maximum, don't add the assertion.
+
+2012-02-12 Kirill Yukhin <kirill.yukhin@intel.com>
+
+ * doc/invoke.texi: Document -mrtm option.
+ * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
+ (OPTION_MASK_ISA_RTM_UNSET): Ditto.
+ (ix86_handle_option): Handle OPT_mrtm.
+ * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
+ xtestintrin.h.
+ (x86_64-*-*): Ditto.
+ * i386-builtin-types.def (INT_FTYPE_VOID): New.
+ * config/i386/i386-c.c (ix86_target_macros_internal): Define
+ __RTM__ if needed.
+ (ix86_target_string): Define -mrtm option.
+ (PTA_RTM): New.
+ (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
+ Handle new option.
+ (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
+ (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
+ IX86_BUILTIN_XTEST.
+ (bdesc_special_args): Ditto.
+ (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
+ (ix86_expand_special_args_builtin): Handle new built-in type.
+ (ix86_expand_builtin): Handle XABORT instruction.
+ * config/i386/i386.h (TARGET_RTM): New.
+ * config/i386/i386.md (UNSPECV_XBEGIN): New.
+ (UNSPECV_XEND): Ditto.
+ (UNSPECV_XABORT): Ditto.
+ (UNSPECV_XTEST): Ditto.
+ (xbegin): Ditto.
+ (xbegin_1): Ditto.
+ (xend): Ditto.
+ (xabort): Ditto
+ (xtest): Ditto.
+ (xtest_1): Ditto.
+ * config/i386/i386.opt (mrtm): New.
+ * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
+ * config/i386/rtmintrin.h: New header.
+ * config/i386/xtestintrin.h: Ditto.
+
+2012-03-12 Tristan Gingold <gingold@adacore.com>
+
+ * ginclude/stddef.h: Adjust previous patch.
+ Use __VMS__ instead of VMS.
+
+2012-03-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
+ Also convert sequences with CC setting arithmetic instruction.
+
+2012-03-11 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
+ from C Language Options to Preprocessor Options.
+ (C Dialect Options): Move -no-integrated-cpp documentation
+ from here...
+ (Preprocessor Options): ...to here. Rewrite the description
+ so it makes more sense, and remove discussion of merging front ends.
+
+2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
+ needed for loop.
+ (ix86_expand_setmem): Likewise.
+
+2012-03-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
+ convert_to_mode.
+
+2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
+ ptr_mode == SImode. Replace DImode with Pmode or ptr_mode.
+
+2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
+
+2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
+ TARGET_64BIT.
+
+2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/predicates.md (call_insn_operand): Allow
+ constant_call_address_operand in Pmode only.
+ (sibcall_insn_operand): Ditto.
+ * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
+ (*call_vzeroupper): Ditto.
+ (*sibcall): Ditto.
+ (*sibcall_vzeroupper): Ditto.
+ (*call_value): Ditto.
+ (*call_value_vzeroupper): Ditto.
+ (*sibcall_value): Ditto.
+ (*sibcall_value_vzeroupper): Ditto.
+ (*indirect_jump): Ditto.
+ (*tablejump_1): Ditto.
+ (indirect_jump): Convert memory address to word mode for TARGET_X32.
+ (tablejump): Ditto.
+ * config/i386/i386.c (ix86_expand_call): Convert indirect operands
+ to word mode.
+
+2012-03-11 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.md (movnegt): Expand into respective insns immediately.
+ Use movrt_negc instead of negc pattern for non-SH2A.
+ (*movnegt): Remove.
+ (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
+
+2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
+ if Pmode != word_mode.
+ (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
+ Pmode == SImode for TARGET_X32.
+ * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
+ (tls_initial_exec_x32): Likewise.
+
+2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
+
+ PR rtl-optimization/52528
+ * combine.c (can_combine_p): Add setting of subst_low_luid
+ before call to expand_field_assignment().
+
+2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
+ and related program names.
+
+2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
+
+2012-03-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52530
+ * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
+ (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
+ to set code to 'q'.
+ * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
+ (*movdi_internal_rex64): Use %E operand modifier for lea.
+ (*movsi_internal): Ditto.
+ (*lea_1): Ditto.
+ (*lea<mode>_2): Ditto.
+ (*lea_{3,4,5,6}_zext): Ditto.
+ (*tls_global_dynamic_32_gnu): Ditto.
+ (*tls_global_dynamic_64): Ditto.
+ (*tls_dynamic_gnu2_lea_32): Ditto.
+ (*tls_dynamic_gnu2_lea_64): Ditto.
+ (pro_epilogue_adjust_stack_<mode>_add): Ditto.
+
+2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
+ redefine to be NULL if the current bit-size is different from the
+ configured bit-size.
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
+ cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
+ set the default tuning. Add asserts to make sure the cpu and tune
+ indexes are defined. Fix tests for cpu/tune index to use >= 0 to
+ test whether the index is set, instead of > 0.
+ (rs6000_file_start): Do not reset the default cpu if the current
+ bit-size is different from the configured bit-size.
+
+2012-03-09 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms-crtlmap.map: Add comments.
+ Add entries needed to build Ada RTS.
+
+2012-03-09 Tristan Gingold <gingold@adacore.com>
+
+ * ginclude/stddef.h: Do not define __size_t on VMS.
+
+2012-03-09 Tristan Gingold <gingold@adacore.com>
+
+ * c-tree.h (c_default_pointer_mode): New variable.
+ * c-decl.c (c_default_pointer_mode): New variable.
+ (c_build_pointer_type): New function.
+ (grokdeclarator): Call c_build_pointer_type instead
+ of build_pointer_type.
+
+ * config/vms/vms-c.c: Include c-tree.h
+ (saved_pointer_mode): New variable.
+ (handle_pragma_pointer_size): New function.
+ (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
+ (vms_c_register_pragma): Register __pointer_size and
+ __required_pointer_size pragmas.
+
+2012-03-09 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms-c.c (vms_construct_include_filename): New function.
+ (vms_c_register_includes): Reference it.
+
+2012-03-09 Andrew Pinski <apinski@cavium.com>
+
+ PR middle-end/51988
+ * tree-ssa-phiopt.c: Include tree-pretty-print.h for
+ print_generic_expr.
+ (tree_ssa_phiopt_worker): Go through all the PHIs for
+ value_replacement instead of just the singleton one.
+ (value_replacement): Change return type to int. Return 0 instead of
+ false.
+ Allow the middle basic block to contain more than just the defining
+ statement.
+ Handle non empty middle basic blocks.
+ * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
+
+2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
+
+ * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
+ array reference and component reference.
+ (analyze_scalar_evolution_for_address_of): New.
+
+2012-03-08 Jie Zhang <jzhang918@gmail.com>
+
+ PR target/49862
+ * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
+ (hwloop_pattern_reg): Fix set but not used warning.
+ (bfin_reorg_loops): Remove unused parameter.
+ (bfin_reorg): Update use of bfin_reorg_loops.
+
+2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
+ with integer parameters in registers.
+ (gen_push): Push register in word_mode instead of Pmode.
+ (ix86_emit_save_regs): Likewise.
+ (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
+ (gen_pop): Pop register in word_mode instead of Pmode.
+ (ix86_emit_restore_regs_using_pop): Likewise.
+ (ix86_expand_prologue): Replace Pmode with word_mode for push
+ immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
+ restore RAX and R10 in word_mode.
+ (ix86_emit_restore_regs_using_mov): Restore integer registers
+ in word_mode.
+ (ix86_expand_split_stack_prologue): Save R10_REG and restore in
+ word_mode.
+ (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
+ (ix86_split_long_move): Likewise.
+ * config/i386/i386.md (W): New.
+ (*push<mode>2_prologue): Replace :P with :W.
+ (*pop<mode>1): Likewise.
+ (*pop<mode>1_epilogue): Likewise.
+ (push/pop peephole2): Use word_mode scratch registers.
+
+2012-03-08 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/predicates.md (indirect_branch_operand): Simplify.
+
+2012-03-08 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
+ for constants in [-63,63].
+
+2012-03-08 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52530
+ Revert:
+ 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_print_operand_address): Only handle
+ zero-extended DImode addresses.
+
+2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
+ * configure: Regenerate.
+
+2012-03-08 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52496
+ * config/avr/avr.c (avr_mem_clobber): New static function.
+ (avr_expand_delay_cycles): Add memory clobber operand to
+ delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
+ * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
+ (enable_interrupt, disable_interrupt): New expander.
+ (nopv, sleep, wdr): New expanders.
+ (delay_cycles_1): Add memory clobber.
+ (delay_cycles_2): Add memory clobber.
+ (delay_cycles_3): Add memory clobber.
+ (delay_cycles_4): Add memory clobber.
+ (cli_sei): New insn from former "enable_interrupt",
+ "disable_interrupt" with memory clobber.
+ (*wdt): New insn from former "wdt" with memory clobber.
+ (*nopv): Similar, but for "nopv".
+ (*sleep): Similar, but for "sleep".
+
+2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
+ Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/52503
+ * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
+ * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
+ (SUBTARGET_OVERRIDE_OPTIONS): Define.
+
+2012-03-07 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/predicates.md (x86_64_zext_general_operand): New.
+ * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
+ predicate to x86_64_zext_general_operand. Accept "Z" constraint.
+
+2012-03-07 Walter Lee <walt@tilera.com>
+
+ * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
+ REG_CFA_* notes for the stack pointer.
+ (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
+ EH_RETURN_STACKADJ_RTX.
+ * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
+ generate REG_CFA_* notes for the stack pointer.
+ (tilepro_expand_epilogue): Restore stack pointer by adjusting it
+ by EH_RETURN_STACKADJ_RTX.
+
+2012-03-07 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/invoke.texi (AVR Built-in Macros): Correct condition for
+ when __AVR_3_BYTE_PC__ is defined.
+
+2012-03-07 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
+ (ix86_print_operand): Handle '^'.
+ * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
+ using P mode iterator. Add %^ to asm template to conditionally emit
+ addr32 prefix.
+ (*rep_movdi_rex64): Ditto.
+ (*strsetdi_rex_1): Ditto.
+ (*rep_stosdi_rex64): Ditto.
+ (*strmov{si,hi,qi}_1): Add %^ to asm template to
+ conditionally emit addr32 prefix.
+ (*rep_mov{si,qi}): Ditto.
+ (*strset{si,hi,qi}): Ditto.
+ (*rep_stos{si,qi}): Ditto.
+ (*cmpstrnqi_nz_1): Ditto.
+ (*cmpstrnqi_1): Ditto.
+ (*strlenqi_1): Ditto.
+
+2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (function_value_64): Return pointers in
+ word_mode instead of Pmode.
+ (ix86_promote_function_mode): Likewise.
+
+2012-03-07 Richard Guenther <rguenther@suse.de>
+
+ * coverage.c (get_gcov_type): Use type_for_mode.
+ (get_gcov_unsigned_t): Likewise.
+ * expr.c (store_constructor): Use type_for_mode.
+ (try_casesi): Likewise.
+ * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
+ (add_standard_iv_candidates): Use standard type trees.
+ * dojump.c (do_jump): Remove dead code.
+
+2012-03-07 Richard Guenther <rguenther@suse.de>
+
+ * c-typeck.c (pointer_diff): Use c_common_type_for_size.
+
+2012-03-07 Richard Guenther <rguenther@suse.de>
+
+ * convert.c (strip_float_extensions): Move ...
+ * tree.c (strip_float_extensions): ... here.
+
+2012-03-07 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52484
+ * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
+
+2012-03-07 Richard Guenther <rguenther@suse.de>
+
+ * omp-low.c (extract_omp_for_data): Use signed_type_for.
+ (expand_omp_for_generic): Likewise.
+ (expand_omp_for_static_nochunk): Likewise.
+ (expand_omp_for_static_chunk): Likewise.
+ * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
+ * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
+ * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
+ Use unsigned_type_for.
+ (vect_create_cond_for_align_checks): Use signed_type_for.
+
+2012-03-07 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/52203
+ * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
+ all callers to pass NULL except ...
+ (reset_sched_cycles_in_current_ebb): ... here, save the value
+ in new variable 'empty'. Increase issue_rate only for
+ non-empty insns.
+
+2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ PR target/51417
+ * Makefile.in: Let install-gcc-ar depend on installdirs,
+ gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
+ Don't double canonicalize if cross-compiling.
+
+2012-03-07 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52506
+ * config/avr/avr.c (expand_epilogue): Fix order of restoration
+ to: RAMPZ, RAMPY, RAMPX, RAMPD.
+ (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
+
+2012-03-07 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52505
+ * config/avr/avr.c (avr_out_xload): Don't read unintentionally
+ from RAM.
+ * config/avr/avr.md (xload_8): Adjust insn length.
+
+2012-03-07 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52461
+ * config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
+ if RAMPZ affects reading from RAM.
+
+2012-03-07 Richard Guenther <rguenther@suse.de>
+
+ PR pch/52518
+ PR pch/38987
+ * doc/invoke.texi (Precompiled Headers): Remove sentence that
+ suggests you can include PCHs from inside another header.
+
+2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/52515
+ * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
+
+2012-03-07 Kai Tietz <ktietz@redhat.com>
+
+ * doc/invoke.texi (fwritable-relocated-rdata): Document
+ new Cygwin/MinGW target option.
+ * config/i386/winnt.c (i386_pe_unique_section): Ignore
+ reloc if flag -fwritable-relocated-rdata is not set.
+ (i386_pe_section_type_flags): Likewise.
+ * config/i386/cygming.opt (fwritable-relocated-rdata):
+ Add new flag variable flag_writable_rel_rdata.
+
+2012-03-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
+ precision against gimple constraints.
+
+2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/52372
+ * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
+ variables.
+ (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
+ * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
+ variables.
+ (init_emit_regs): Move associated initialization to...
+ (init_emit_once): ...here.
+
+2012-03-06 Richard Henderson <rth@redhat.com>
+
+ * config/m68k/m68k.h (ISA_HAS_TAS): New.
+ * config/m68k/sync.md (atomic_test_and_set): Use it.
+ (atomic_test_and_set_1): Likewise.
+
+2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/50310
+ * config/rs6000/vector.md (vector_uneq<mode>): Add support for
+ UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
+ (vector_ltgt<mode>): Likewise.
+ (vector_ordered<mode>): Likewise.
+ (vector_unordered<mode>): Likewise.
+ * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
+
+2012-03-06 Aldy Hernandez <aldyh@redhat.com>
+
+ * trans-mem.c: New typedef for tm_region_p.
+ Define vector types for tm_region_p.
+ (tm_region_init): Replace region_worklist to a vector called
+ bb_regions.
+
+2012-03-06 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
+ MEM_REF with constant pointer operand.
+
+2012-03-06 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52493
+ * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
+
+2012-03-06 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
+ (external_model_kind): Improve documentation.
+ (vms_pragma_extern_model): Handle relaxed_redef.
+ (vms_c_register_pragma): Allow expansion for nomember_alignment.
+
+2012-03-06 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
+ Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
+ Some more notes on EIND usage and reorder EIND subsection.
+
+2012-03-06 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
+ * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
+
+2012-03-06 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/t-vmsnative (version): Define.
+ * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
+
+2012-03-06 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/52250
+ * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
+ to put note list into. Unconditionally call move_bb_info.
+ (move_bb_info): Do not assert the blocks being in the same region,
+ just drop the note list if they are not.
+
+2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/51244
+ * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
+ and use unified expansion logic.
+ * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
+ closer to the existing movt insn.
+ (negc): Rename insn to *negc. Add new expander.
+ (movnegt): Use xor pattern for T bit negation. Reserve helper
+ constant for negc pattern.
+ (*movnegt): New insn and splitter.
+
+2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
+
+ * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
+ PLUS_EXPR.
+
+2012-03-05 Richard Henderson <rth@redhat.com>
+
+ * genemit.c (main): Include "target.h" in insn-emit.c.
+ * Makefile.in (insn-emit.o): Depend on TARGET_H.
+ * config/sh/sync.md (atomic_test_and_set): Reference
+ targetm.atomic_test_and_set_trueval instead of
+ TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
+
+2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
+ Make static.
+
+2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
+
+ * langhooks.c (add_builtin_type): New function.
+ * langhooks.h (add_builtin_type): Export it.
+ * config/mep/mep.c (mep_init_builtins): Use it.
+ * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
+
+2012-03-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/51902
+ * tree.h (BLOCK_SAME_RANGE): Define.
+ * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
+ if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
+ Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
+ isn't equal to supercontext fragment's fragment chain.
+ Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
+ fragment origin.
+ (blocks_nreverse_all): Likewise.
+ (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
+ BLOCK_SUPERCONTEXT to supercontext fragment instead of
+ supercontext fragment's fragment origin.
+ * dwarf2out.c (add_high_low_attributes): If stmt has the same
+ range as its parent (or parents thereof etc.), use the parent's
+ DW_AT_ranges value instead of creating a new .debug_ranges range.
+
+2012-03-05 Richard Henderson <rth@redhat.com>
+
+ PR tree-opt/52242
+ Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
+ * omp-low.c (expand_omp_atomic): Assume anything aligned to
+ BIGGEST_ALIGNMENT is aligned.
+
+2012-03-05 Richard Henderson <rth@redhat.com>
+
+ * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
+ * config/sh/sh.c: ... here.
+
+2012-03-05 Richard Henderson <rth@redhat.com>
+
+ PR target/52481
+ * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
+ instead of calling negqi2 directly.
+
+2012-03-05 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/52463
+ * trans-mem.c (tm_region_init): Use last_basic_block.
+
+2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
+ * config/sh/sync.md (atomic_test_and_set): New expander.
+ (tasb, atomic_test_and_set_soft): New insns.
+ * config/sh/sh.opt (menable-tas): New option.
+ * doc/invoke.texi (SH Options): Document it.
+
+2012-03-05 Richard Guenther <rguenther@suse.de>
+
+ * cfgloop.c (verify_loop_structure): Verify dominators before
+ using them.
+ * graphite-clast-to-gimple.c (graphite_verify): Do not verify
+ dominators from here.
+ * graphite-scop-detection.c (create_sese_edges): Likewise.
+ * loop-doloop.c (doloop_optimize_loops): Likewise.
+ * loop-init.c (loop_optimizer_init): Likewise.
+ * loop-unroll.c (unroll_and_peel_loops): Likewise.
+ * loop-unswitch.c (unswitch_loops): Likewise.
+ * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
+ * tree-parloops.c (parallelize_loops): Likewise. Verify
+ only when checking is enabled.
+ * tree-loop-distribution.c (tree_loop_distribution): Likewise.
+
+2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
+
+ * genautomata.c (parse_automata_opt): New static function.
+ (initiate_automaton_gen): Remove all option handling code. Remove
+ argc argument. All callers changed.
+ (main): Call init_rtx_reader_args_cb with the new function as argument.
+
+2012-03-05 Richard Guenther <rguenther@suse.de>
+
+ * cfgexpand.c (gimple_expand_cfg): Free dominator info.
+ * tree-if-conv.c (combine_blocks): Free post-dominator info
+ after breaking it.
+ * tree-parloops.c (create_parallel_loop): Free and re-compute
+ dominator info after breaking it.
+
+2012-03-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52353
+ * optabs.h (trapv_unoptab_p): New function.
+ (trapv_binoptab_p): Likewise.
+ * optabs.c (expand_binop): Use emit_libcall_block_1 with
+ a proper equiv_may_trap argument.
+ (expand_unop): Likewise.
+ (emit_libcall_block_1): Take extra argument whether the
+ instruction may trap. Renamed from ...
+ (emit_libcall_block): ... this. New wrapper.
+
+2012-03-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51721
+ * tree-vrp.c (register_edge_assert_for_2): If comparing
+ lhs of right shift by constant with an integer constant,
+ add ASSERT_EXPRs for the rhs1 of the right shift.
+
+ * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
+
+2012-03-05 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (integer_zerop): Handle VECTOR_CSTs.
+ (integer_onep): Likewise.
+ (integer_all_onesp): Likewise.
+
+2012-03-05 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
+
+2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
+ instead of TARGET_64BIT.
+
+2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
+ adjust_stack_insn.
+
+2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_print_operand_address): Only handle
+ zero-extended DImode addresses.
+
+2012-03-04 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
+ taken and cputaken as bool.
+
+2012-03-04 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/constraints.md (Ya): New internal constraint.
+ * config/i386/i386.md (zero_extendsidi2): Remove expansion.
+ (*zero_extendsidi2_rex64): Add x,x alternative.
+ (*zero_extendsidi2): Ditto. Add o,0 alternative.
+ Remove flags reg clobber. Adjust corresponding splits.
+ (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
+ zero_extendqisi2 expanders using SWI12 mode iterator.
+ (zero_extend<mode>si2_and): Macroize insn from
+ zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
+ splitters.
+ (*zero_extend<mode>si2): Macroize insn from
+ *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
+ (*zero_extend*2_movzbl_and): Remove insn patterns.
+ (zero_extendqihi2_and): Merge corresponding splitter.
+ (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
+ (*zero_extend*2_movzbl_and): Remove insn patterns.
+ (*anddi_1): Split TYPE_IMOVX instructions.
+ (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
+ (*andhi_1): Ditto.
+ (and->zext splitter): Add splitter pattern.
+ (zero extend with andsi3 splitter): Adjust zero_extend pattern.
+
+2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
+ x86-specific text.
+ (Debugging Options): Likewise.
+ (Optimize Options): Likewise.
+ (i386 and x86-64 Options): Discuss -march before -mtune, consistently
+ with other architectures. Use official processor names with correct
+ spelling/capitalization. Fix formatting and grammar issues.
+ (i386 and x86-64 Windows Options): Similar cleanup here.
+
+2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
+
+2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_dwarf_register_span): Don't apply
+ DBX_REGISTER_NUMBER.
+
+2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
+ operand is CONST_INT. Take COSTS_N_INSNS into account.
+ (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
+ of shiftcosts.
+
+2012-03-02 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (expand_atomic_test_and_set): Honor
+ atomic_test_and_set_trueval even when atomic_test_and_set
+ optab is not in use.
+
+2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/48596
+ PR target/48806
+ * config/sh/sh.c (sh_register_move_cost): Increase cost between
+ GENERAL_REGS and FP_REGS for SImode.
+
+2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/49486
+ * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
+ (absdi2): New expander.
+ (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
+
+2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sync.md (atomic_exchange<mode>): New expander.
+ (atomic_exchange<mode>_soft): New insn.
+
+2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sync.md: Update copyright notice dates.
+ (atomic_compare_and_swap<mode>): Use SImode for return value instead
+ of QImode.
+ (atomic_compare_and_swap<mode>_soft): Likewise.
+
+2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/31640
+ * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
+ * config/sh/sh.c: Update copyright notice dates.
+ (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
+ alignment for TARGET_HARD_SH4.
+ (sh_option_override): Reduce default function alignment. Set
+ loop alignment to 4 bytes when not optimizing for size.
+
+2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ PR middle-end/50335
+ * doc/invoke.texi (floop-flatten): Remove.
+ * toplev.c (process_options): Remove references to flag_loop_flatten.
+ * tree-ssa-loop.c (gate_graphite_transform): Same.
+ * common.opt (floop-flatten): Obsolete.
+ * graphite-poly.c (apply_poly_transforms): Remove reference to
+ flag_loop_flatten.
+ * Makefile.in (graphite-flattening.o): Remove.
+ * graphite-flattening.c: Remove.
+
+2012-03-02 Uros Bizjak <ubizjak@gmail.com>
+
+ * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
+ having mode compatible with the mode of previous compare. Substitute
+ compare mode of previous compare with the mode, compatible
+ with eliminated and previous compare.
+
+2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/dfp.md (floatdidd2): New define_insn.
+
+2012-03-02 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
+ compatible with CCGOCmode and CCGCmode.
+
+2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
+
+2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ * config/arm/arm.c (arm_sat_operator_match): New function.
+ * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
+ * config/arm/arm.md ("insn" attribute): Add "sat" value.
+ ("SAT", "SATrev"): New code iterators.
+ ("SATlo", "SAThi"): New code iterator attributes.
+ ("*satsi_<SAT:code>"): New pattern.
+ ("*satsi_<SAT:code>_shift"): Likewise.
+ * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
+ and "shift" attributes.
+ ("arm_usatsihi"): Add "insn" attribute.
+ * config/arm/predicates.md (sat_shift_operator): Allow multiplication
+ by powers of two. Do not allow shift by 32.
+
+2012-03-02 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/46716
+ * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
+ to pass the argument in the register of "natural" mode.
+
+2012-03-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52406
+ * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
+ (struct indices): Add unconstrained_base member.
+ (struct dr_alias): Remove unused vops member.
+ (DR_UNCONSTRAINED_BASE): New define.
+ * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
+ add indices to allow their disambiguation. Make DR_BASE_OBJECT
+ be an artificial access that covers the whole indexed object,
+ or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
+ plain decl base-objects to their MEM_REF variant.
+ (dr_may_alias_p): When the base-object of either data reference
+ has unknown size use only points-to information.
+ (compute_affine_dependence): Make dumps easier to read and
+ more verbose.
+ * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
+ DR_REF when looking for packed references.
+ (vect_supportable_dr_alignment): Likewise.
+
+2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
+
+ * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
+ Improve conditions for peepholes of loads followed by commutative
+ operators.
+ * config/arm/ldmstm.md: Regenerated.
+
+2012-03-02 Richard Guenther <rguenther@suse.de>
+
+ * BASE-VER: Set to 4.8.0.
+
+2012-03-01 Richard Earnshaw <rearnsha@arm.com>
+
+ * config.gcc (obsolete): Add all ARM targets using the FPA.
+ (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
+ * doc/install.texi: Avoid references to obsolete ARM ports.
+
+2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
+
+2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
+ Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * doc/extend.texi: Expand and update information on interrupt
+ attribute for Epiphany.
+
+2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh-protos.h: Update copyright notice dates.
+ * config/sh/sh.h: Likewise.
+ * config/sh/sh.md: Likewise.
+ * config/sh/constraints.md: Likewise.
+ * config/sh/predicates.md: Likewise.
+
+2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
+ * config/sh/sh.c (tertiary_reload_operand): Likewise.
+
+2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/constraints.md: Fix comment typo.
+
+2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/52408
+ * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
+ unsigned HOST_WIDE_INT.
+ (zvdep_imm64): Likewise.
+ (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
+ (vdepi_and): Likewise.
+ Likewise for unamed 64-bit patterns.
+ * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
+
+2012-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/52001
+ PR rtl-optimization/52417
+ * cselib.c (cselib_any_perm_equivs): New variable.
+ (cselib_reset_table): Check that it's not set when not
+ preserving constants.
+ (cselib_add_permanent_equiv): Set it.
+ (cselib_have_permanent_equivalences): New.
+ (cselib_init, cselib_finish): Reset it.
+ * cselib.h (cselib_have_permanent_equivalences): Declare.
+ * alias.c (get_addr): Restore earlier behavior when there
+ aren't permanent equivalences.
+
+2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/mn10300/mn10300-modes.def: Fix copyright notice.
+ * config/v850/v850-modes.def: Fix copyright notice.
+
+2012-03-01 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/extend.texi (AVR Built-in Functions): Document
+ __builtin_avr_flash_segment.
+
+ * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
+ * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
+ (*split.flash_segment): New insn-and-split.
+ * config/avr/avr.c (avr_init_builtins): Add local variables:
+ const_memx_void_node, const_memx_ptr_type_node,
+ char_ftype_const_memx_ptr.
+
+2012-03-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52445
+ * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
+ add ssa_name_ver, offset and size fields and change store field
+ to bool.
+ (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
+ (add_or_mark_expr): Likewise. Only consider previous stores
+ with the same size and offset.
+ (nt_init_block): Only look at gimple_assign_single_p stmts,
+ doesn't look at rhs2.
+
+2012-03-01 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52443
+ * tree-cfg.c (verify_gimple_assign_unary): Allow any
+ conversions from integral types to pointer types.
+
+2012-03-01 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
+ defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
+ unintentionally removed in r184616.
+
+2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
+
+ * doc/invoke.texi: Document AMD bdver2 and remove mentioning
+ 3DNow from bdver1.
+
+2012-02-29 Jakub Jelinek <jakub@redhat.com>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52437
+ * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
+ alternatives, add "e" constraint to the new last alternative
+ and ! to last 3 alternatives.
+
+2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
+
+ * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
+ DW_AT_artificial attributes at the end of the processing.
+ (gen_array_type_die): Likewise.
+ (gen_enumeration_type_die): Likewise.
+ (gen_struct_or_union_type_die): Likewise.
+ (add_gnat_descriptive_type_attribute): Do not suppress debug info for
+ the parent type.
+
+2012-02-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52419
+ * expr.c (expand_assignment): If doing misaligned store that doesn't
+ cover all mode bits, perform a RMW cycle.
+
+ PR tree-optimization/52429
+ * tree-parloops.c (separate_decls_in_region_debug): Return early
+ if var is LABEL_DECL.
+
+2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/52424
+ * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
+ calling dom_thread_across_edge.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c: Move definition of TARGET macros to end of file.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
+ * config/avr/avr.c (avr_output_bld): Remove unused function.
+ (avr_out_sbxx_branch): Use "%T" to print bit position.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md: Untabify.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (eqne): New code iterator.
+ (*dec-and-branchsi): Use it in text peephole's condition.
+ (*dec-and-branchhi): Ditto.
+ (*dec-and-branchqi): Ditto.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49939
+ * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
+ the device does not have the skip-bug.
+
+2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * doc/invoke.texi (-msoft-atomic): Add more detailed description.
+ (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
+ -mpretend-cmove): New.
+
+2012-02-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52397
+ * df.h (struct df_d): Adjust comment that hard_regs_live_count
+ doesn't count DEBUG_INSN refs.
+ * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
+ for DEBUG_INSN refs.
+
+2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ Partially revert:
+
+ 2012-02-20 Richard Guenther <rguenther@suse.de>
+ PR tree-optimization/52298
+ * tree-vect-stmts.c (vectorizable_load): Properly use
+ STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
+
+2012-02-28 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/51752
+ * gimple.h (gimple_in_transaction): New.
+ (gimple_set_in_transaction): New.
+ (struct gimple_statement_base): Add in_transaction field.
+ * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
+ transaction loads.
+ (tree_ssa_lim_initialize): Compute transaction bits.
+ * tree.h (compute_transaction_bits): Protoize.
+ * trans-mem.c (tm_region_init): Use the heap to store BB
+ auxilliary data.
+ (compute_transaction_bits): New.
+
+2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * gcc.c (display_help): Document --help=common and sort entries
+ alphabetically.
+
+2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * doc/install.texi: Document check-$LANG specific shortcuts
+
+2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ PR target/51534
+ * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
+ and vcgtu.
+ * config/arm/arm_neon.h: Regenerate.
+ * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
+ (neon_vcgeu): New insn.
+ (neon_vcgtu): Likewise.
+ * config/arm/neon.ml (s_8_32, u_8_32): New lists.
+ (ops): Unsigned comparison intrinsics call a different builtin.
+
+2012-02-28 Richard Guenther <rguenther@suse.de>
+
+ PR target/52407
+ * config/i386/i386.c (ix86_expand_vector_set): Fix element
+ ordering for the VEC_CONCAT for two element vectors for
+ V2SFmode, V2SImode and V2DImode.
+
+2012-02-28 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/49448
+ * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
+ detecting big-endian triplets.
+
+2012-02-28 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
+ mode if there is no type information available.
+
+2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR tree-optimization/53207
+ * doc/invoke.texi: Document as experimental and relying on graphite.
+
+2012-02-28 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
+ of initializer to changes from r184614.
+
+2012-02-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52395
+ * tree-sra.c (build_ref_for_offset): Also look at the base
+ TYPE_ALIGN when figuring out the alignment of the replacement.
+
+2012-02-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52402
+ * ipa-prop.c (ipa_modify_call_arguments): Properly use
+ mis-aligned types when creating the accesses at the call site.
+
+2012-02-28 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/builtins.def: New file.
+ * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
+ * config/avr/avr.c (enum avr_builtin_id): Use it.
+ (avr_init_builtins): Use it. And use avr_bdesc.
+ (bdesc_1arg): Remove.
+ (bdesc_2arg): Remove.
+ (bdesc_3arg): Remove.
+ (struct avr_builtin_description): Add field n_args.
+ (avr_bdesc): New static variable using builtins.def.
+ (avr_expand_builtin): Use it.
+ Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
+ (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
+ Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
+
+2012-02-28 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52148
+ * config/avr/avr.md (movmem_<mode>): Replace match_operand that
+ match only one single hard register with respective hard reg rtx.
+ (movmemx_<mode>): Ditto.
+ * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
+ insn anatomy of movmem[x]_<mode>.
+ (avr_out_movmem): Same for printing assembler and operand usage.
+
+2012-02-28 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49868
+ PR target/52261
+ * doc/extend.texi (AVR Named Address Spaces): No more try to fix
+ address spaces located outside of device flash.
+
+ * config/avr/avr.h (base_arch_s): Remove field n_segments.
+ (mcu_type_s): Add field n_flash.
+ * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
+ Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
+ (AVR_MCU): Add N_FLASH argument.
+ * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
+ macro __FLASH<n> if that address space makes sense for the device.
+ * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
+ outside of target flash.
+ (avr_asm_named_section): Ditto.
+ (avr_asm_select_section): Ditto.
+ (avr_addr_space_convert): Ditto.
+ (avr_emit_movmemhi): Ditto.
+ (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
+ address space is outside of device flash.
+ (avr_insert_attributes): Ditto.
+ (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
+ avr_current_arch->n_segments.
+
+2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/52352
+ * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
+ (*movabs<mode>_2): Likewise.
+
+2012-02-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52375
+ * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
+ s_register_operand in the test instead of REG_P. Don't call
+ gen_reg_rtx if it won't be used.
+
+ PR tree-optimization/52376
+ * ipa-split.c (split_function): Ignore CLOBBER stmts.
+
+2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
+
+ * ifcvt.c (noce_get_condition): Check condition variable is not
+ small_register_classes_for_mode_p before accepting.
+
+2012-02-27 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
+
+2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ Revert:
+ 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+ * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
+ tuning parameters.
+ * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
+
+2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
+
+2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/predicates.md: Remove blank lines.
+ * config/sh/sh.c: Fix typos in comments.
+ * config/sh/constraints.md: Likewise.
+ * config/sh/sh.md: Remove blank lines.
+ Fix typos in comments. Use ;; as comment characters.
+
+2012-02-26 Walter Lee <walt@tilera.com>
+
+ * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
+ (replace_mov_pcrel_step2): Ditto.
+
+2012-02-25 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/52001
+ * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
+ (get_addr): Walk canonical value's locs. Avoid returning VALUEs
+ and locs that reference values newer than the non-canonical value
+ at hand. Return the canonical value as a worst case.
+ (memrefs_conflict_p): Walk canonical value's locs.
+
+ PR debug/52001
+ * cselib.c (preserve_only_constants): Rename to...
+ (preserve_constants_and_equivs): ... this. Split out...
+ (invariant_or_equiv_p): ... this. Preserve plus expressions
+ of other preserved expressions too.
+ (cselib_reset_table): Adjust.
+ * var-tracking.c (reverse_op): Use canonical value to build
+ reverse operation.
+
+2012-02-23 Kai Tietz <ktietz@redhat.com>
+
+ * config/i386/i386.c (ix86_delegitimize_address): Handle
+ UNSPEC_PCREL plus displacement.
+
+2012-02-24 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52261
+ * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
+ to test for unusedness in st X addressing.
+
+2012-02-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52361
+ * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
+ (is_gimple_reg_type): Move inline ...
+ * gimple.h (is_gimple_reg_type): ... here.
+
+2012-02-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52361
+ * passes.c (execute_function_todo): When verifying SSA form
+ verify gimple form first.
+ * tree-ssa.c (verify_ssa): Do not verify gimple form here.
+
+2012-02-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52355
+ * fold-const.c (fold_addr_of_array_ref_difference): New function.
+ (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
+
+2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
+
+2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * tree-phinodes.c (make_phi_node): Mark static.
+ * tree-flow.h (make_phi_node): Remove extern decl.
+ * doc/gimple.texi (make_phi_node): Remove documentation.
+
+2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
+ * tree-ssa-sccvn.c (print_scc): Ditto.
+
+2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * doc/passes.texi (Full redundancy elimination): Fix typo.
+
+2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
+
+2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR bootstrap/52287
+ * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
+
+2012-02-23 Uros Bizjak <ubizjak@gmail.com>
+
+ PR c/52290
+ * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
+
+2012-02-23 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (code_stdname): Add ior, xor.
+ (xior): New code iterator.
+ (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
+ (*<code_stdname><mode>qi.byte1-3): Ditto.
+
+2012-02-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52019
+ * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
+ CLOBBER stmts.
+
+2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
+ HAVE_INITFINI_ARRAY to work around namespace pollution in
+ certain versions of newlib system headers.
+ * config.in: Regenerate.
+ * configure: Regenerate.
+ * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
+ instead of HAVE_INITFINI_ARRAY.
+
+2012-02-22 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52330
+ * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
+ is not offsettable memory reference.
+
+2012-02-22 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/18145
+ * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
+ setting avr_need_clear_bss_p for __gnu_lto* symbols.
+
+2012-02-22 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
+ * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
+
+2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
+ library on Solaris 8 even without TLS support.
+ * configure: Regenerate.
+
+2012-02-22 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52329
+ * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
+ for GIMPLE_DEBUG stmts.
+
+2012-02-22 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/51782
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
+ according to the base object.
+
+2012-02-22 Georg-Johann Lay <avr@gjlay.de>
+
+ PR rtl-optimization/50063
+ * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
+ and 2 (8-bit SP) in operand 2.
+ * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
+ setup to use movhi_sp_r instead of vanilla move to write SP.
+ Adjust REG_CFA notes to superseed unspec.
+ (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
+ of vanilla move.
+ As function body might contain CLI or SEI: Use irq_state 0 (IRQ
+ known to be off) only with TARGET_NO_INTERRUPTS. Never use
+ irq_state 1 (IRQ known to be on) here.
+
+2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
+
+ * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
+ WORDS_BIG_ENDIAN.
+ * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
+ assign_hard_reg): Likewise.
+
+2012-02-21 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
+
+2012-02-21 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md
+ (*dec-and-branchhi!=-1.d.clobber): New text peephole.
+ (*dec-and-branchhi!=-1.l.clobber): New text peephole.
+
+2012-02-21 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
+ prototype from here to...
+ * config/avr/avr.h: ...here.
+
+2012-02-21 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/52294
+ * thumb2.md (thumb2_shiftsi3_short): Split register and
+ immediate shifts. For register shifts tie operands 0 and 1.
+ (peephole2 for above): Check that register-controlled shifts
+ have suitably tied operands.
+
+2012-02-21 Quentin Neill <quentin.neill@amd.com>
+
+ PR target/52137
+ * config/i386/bdver1.md (bdver1_call, bdver1_push,
+ bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
+ bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
+ bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
+ bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
+ bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
+ bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
+ bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
+ bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
+ bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
+ bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
+ bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
+ bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
+ bdver1_ssevector_avx256_unaligned_load,
+ bdver1_ssevector_sse128_unaligned_load,
+ bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
+ bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
+ bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
+ bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
+ bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
+ bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
+ bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
+ bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
+ bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
+ bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
+ bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
+ bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
+ bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
+ bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
+ bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
+ bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
+ bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
+ bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
+ bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
+ bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
+ bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
+ bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
+ bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
+ bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
+ bdver1_ssediv_double_load, bdver1_ssediv_double,
+ bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
+ Add "bdver2" attribute.
+
+2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
+ default if possible and not specified otherwise.
+
+2012-02-21 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52314
+ * gimplify.c (create_tmp_from_val): Use the main variant type
+ for the type of the temporary we create.
+
+2012-02-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52324
+ * gimplify.c (gimplify_expr): When re-gimplifying expressions
+ do not gimplify a MEM_REF address operand if it is already
+ in suitable form.
+
+2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
+ TARGET_HARD_FLOAT with TARGET_HARD_DFP.
+
+2012-02-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-stmts.c (vectorizable_load): Use pre-computed
+ nested_in_vect_loop.
+
+2012-02-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52318
+ * gimple-fold.c (gimplify_and_update_call_from_tree): Add
+ vdef also to non-pure/const call stmts in the sequence.
+
+2012-02-21 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
+
+2012-02-20 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
+ don't use the "rd %pc" instruction on v9 for PIC register loads.
+
+2012-02-20 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/52141
+ * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
+ in a transaction safe function.
+
+2012-02-20 Kai Tietz <ktietz@redhat.com>
+
+ PR target/52238
+ * stor-layout.c (place_field): Handle desired_align for
+ ms-bitfields, too.
+
+2012-02-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52298
+ * tree-vect-stmts.c (vectorizable_store): Properly use
+ STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
+ outer loops.
+ (vectorizable_load): Likewise.
+ * tree-vect-data-refs.c (vect_analyze_data_ref_access):
+ Access DR_STEP after ensuring it is not NULL.
+
+2012-02-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52286
+ * fold-const.c (fold_binary_loc): For (X & C1) | C2
+ optimization use double_int_to_tree instead of build_int_cst_wide,
+ rewrite to use double_int vars.
+
+2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR target/50166
+ * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
+ Define _start.
+ Remove -e 0 from $gcc_cv_ld invocation.
+ Only use __GLIBC_PREREQ if defined.
+ Enable on Solaris since Solaris 8 patch.
+ (gcc_SUN_LD_VERSION): New macro.
+ * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
+ gcc_SUN_LD_VERSION for version number format.
+ * configure: Regenerate.
+ * varasm.c (get_elf_initfini_array_priority_section): Set
+ SECTION_NOTYPE for non-default priority.
+ Use get_section instead of get_unnamed_section to emit
+ .init_array/.fini_array with default priority.
+
+2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
+ (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
+ (mips_start_unique_function, mips_output_mips16_rdhwr)
+ (mips_code_end): New functions.
+ (TARGET_ASM_CODE_END): Define.
+
+2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips16_build_call_stub): Add CFI information
+ to stubs with non-sibling calls.
+
+2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (-fira-* options): Copy-edit.
+ (ira-* parameters): Copy-edit.
+
+2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Minor copy-edits to bring into conformance with
+ GCC coding conventions.
+
+2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
+ when used as adjectives.
+
+2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Clean up "that"/"which" confusion.
+
+2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h: Poison SMALL_REGISTER_CLASSES
+ * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
+ * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
+
+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52285
+ * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
+ when deciding if a call is a tail call or tail recursion.
+
+2012-02-16 Kai Tietz <ktietz@redhat.com>
+
+ * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
+ interger-constant displacement for UNSPEC_PCREL.
+
+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52208
+ * ira-costs.c (scan_one_insn): Don't decrease mem_cost
+ for MEMs with REG_EQUIV, if the MEM isn't general_operand.
+
+ PR tree-optimization/52255
+ * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
+ loop->header has virtual PHI, but exit_e->dest doesn't, add
+ virtual PHI to exit_e->dest and adjust all uses after the loop.
+
+ PR debug/52260
+ * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
+ children with clone_tree_hash, not after it.
+
+2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
+ extended identifiers.
+
+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51929
+ * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
+ a same_body_alias, also test whether e->callee isn't a former
+ or current clone of the decl this is a same body alias of.
+
+ PR translation/52264
+ * cgraphunit.c (verify_cgraph_node): Fix a typo.
+
+2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
+
+2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/52199
+ * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
+ force_reg instead of copy_to_reg for better optimization. Force
+ non-register or memory operands into a register.
+
+2012-02-15 Andrew MacLeod <amacleod@redhat.com>
+
+ * extend.texi: Reserve upper bits of memory model for future use.
+
+2012-01-15 Georg-Johann Lay <avr@gjlay.de>
+ Anatoly Sokolov <aesok@post.ru>
+ Eric Weddington <eric.weddington@atmel.com>
+
+ PR target/52261
+ * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
+ avrxmega4, avrxmega5, avrxmega6, avrxmega7.
+ Rewrite initializers for .macro.
+ * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
+ avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
+ atxmega32d4, atxmega32x1.
+ avrxmega4: atxmega64a3, atxmega64d3.
+ avrxmega5: atxmega64a1, atxmega64a1u.
+ avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
+ atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
+ avrxmega7: atxmega128a1, atxmega128a1u.
+ * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
+ ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
+ (struct base_arch_s): Rename reserved to xmega_p.
+ Rename reserved2 to have_rampd.
+ (AVR_XMEGA): New define.
+ (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
+ (AVR_HAVE_RAMPZ): Change definition to fit xmega.
+ * config/avr/predicates.md (io_address_operand): Take into
+ account SFR offset.
+ (low_io_address_operand): Ditto.
+ (high_io_address_operand): Ditto.
+ * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
+ (enabled, movhi_sp_r): Use them.
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
+ cpp_define_formatted to built-in define __AVR_ARCH__.
+ (__AVR_XMEGA__): New built-in define.
+ (__AVR_HAVE_RAMPD__): New built-in define.
+ (__AVR_HAVE_RAMPX__): New built-in define.
+ (__AVR_HAVE_RAMPY__): New built-in define.
+ (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
+
+ * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
+ (avr_option_override): Initialize them.
+ (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
+ (avr_init_expanders): Initialize them. No more block several calls.
+ (emit_push_sfr): New static function.
+ (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
+ Handle AVR_XMEGA.
+ (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
+ (avr_print_operand): Print addreeses as symbols for
+ RAMPX, RAMPY, RAMPD, CCP.
+ (output_movhi): Handle AVR_XMEGA when writing to SP.
+ (avr_out_movhi_mr_r_xmega): New static function.
+ (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
+ (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
+ __RAMPD__, __CCP__ as needed.
+
+ * config/avr/multilib.h: Regenerate.
+ * config/avr/t-multilib: Regenerate.
+ * config/avr/avr-tables.opt: Regenerate.
+
+2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ PR tree-optimization/50561
+ * graphite-flattening.c (lst_project_loop): Do not
+ remove old scattering dimensions after flattening.
+ (lst_do_flatten): Likewise.
+
+2012-02-15 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/extend.texi (AVR Built-in Functions): Remove doc for
+ __builtin_avr_map8, __builtin_avr_map16.
+ Document __builtin_avr_insert_bits.
+
+ * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
+ (insert_bits): New insn.
+ (adjust_len.map_bits): Rename to insert_bits.
+ (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
+ * avr-protos.h (avr_out_map_bits): Remove.
+ (avr_out_insert_bits, avr_has_nibble_0xf): New.
+ * config/avr/constraints.md (Cxf,C0f): New.
+ * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
+ defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
+ New built-in define __BUILTIN_AVR_INSERT_BITS.
+ * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
+ (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
+ (avr_move_bits): Rewrite.
+ (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
+ functions.
+ (avr_map_op_t): New typedef.
+ (avr_map_op): New static variable.
+ (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
+ (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
+ (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
+ (bdesc_3arg, avr_expand_triop_builtin): New.
+ (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
+ (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
+ (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
+ (avr_map_equal_p, avr_map_sig_p): Remove.
+ (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
+ (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+ (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
+ (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+ (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
+ (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+
+2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
+
+ * config/c6x/c6x.md (reserve_cycles): New attribute.
+ * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
+ don't reserve functional units after the branch occurs.
+
+2012-02-14 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/52142
+ * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
+ functions into non-tm_pure functions.
+
+2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR lto/52178
+ * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
+ (iterative_hash_canonical_type): Likewise.
+ * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
+ the dead edges.
+
+2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
+
+ * haifa-sched.c (prune_ready_list): Ensure that if there is a
+ sched-group insn, it either remains alone or the entire list is pruned.
+
+2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/install.texi (Prerequisites): Fix grammar.
+ (Configuration): Likewise.
+
+2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
+ MPC as part of GCC before describing configuring with --with-gmp etc.
+ (Installing GCC: Configuration): --with-gmp etc. aren't needed if
+ sources are present.
+
+2012-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/51950
+ * dwarf2out.c (clone_tree_hash): New function.
+ (copy_decls_walk): Use it instead of clone_tree.
+
+2012-02-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52244
+ PR tree-optimization/51528
+ * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
+ replacements for integral types.
+
+2012-02-14 Walter Lee <walt@tilera.com>
+
+ * config.gcc: Handle tilegx and tilepro.
+ * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
+ tilegx and tilepro.
+ Add HAVE_AS_TLS check for tilegx and tilepro.
+ * configure: Regenerate.
+ * doc/contrib.texi: Add Mat Hostetter and self.
+ * doc/extend.texi (TILE-Gx Built-in Functions): New node.
+ Document instruction intrinsics and network accessing intrinsics.
+ (TILEPro Built-in Functions): New node. Document instruction
+ intrinsics and network accessing intrinsics.
+ * doc/install.texi (Specific, tilegx-*-linux*): Document it.
+ (Specific, tilepro-*-linux*): Likewise.
+ * doc/invoke.texi (TILE-Gx Options): New section.
+ (TILEPro Options): New section.
+ * doc/md.texi (TILE-Gx): New section.
+ (TILEPro): New section.
+ * common/config/tilegx/tilegx-common.c: New file.
+ * common/config/tilepro/tilepro-common.c: New file.
+ * config/tilegx/constraints.md: New file.
+ * config/tilegx/linux.h: New file.
+ * config/tilegx/mul-tables.c: New file.
+ * config/tilegx/predicates.md: New file.
+ * config/tilegx/sync.md: New file.
+ * config/tilegx/t-tilegx: New file.
+ * config/tilegx/tilegx-builtins.h: New file.
+ * config/tilegx/tilegx-c.c: New file.
+ * config/tilegx/tilegx-generic.md: New file.
+ * config/tilegx/tilegx-modes.def: New file.
+ * config/tilegx/tilegx-multiply.h: New file.
+ * config/tilegx/tilegx-protos.h: New file.
+ * config/tilegx/tilegx.c: New file.
+ * config/tilegx/tilegx.h: New file.
+ * config/tilegx/tilegx.md: New file.
+ * config/tilegx/tilegx.opt: New file.
+ * config/tilepro/constraints.md: New file.
+ * config/tilepro/gen-mul-tables.cc: New file.
+ * config/tilepro/linux.h: New file.
+ * config/tilepro/mul-tables.c: New file.
+ * config/tilepro/predicates.md: New file.
+ * config/tilepro/t-tilepro: New file.
+ * config/tilepro/tilepro-builtins.h: New file.
+ * config/tilepro/tilepro-c.c: New file.
+ * config/tilepro/tilepro-generic.md: New file.
+ * config/tilepro/tilepro-modes.def: New file.
+ * config/tilepro/tilepro-multiply.h: New file.
+ * config/tilepro/tilepro-protos.h: New file.
+ * config/tilepro/tilepro.c: New file.
+ * config/tilepro/tilepro.h: New file.
+ * config/tilepro/tilepro.md: New file.
+ * config/tilepro/tilepro.opt: New file.
+
+2012-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52210
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
+ vect_model_simple_cost with two entry vect_def_type array instead
+ of an address of dt.
+
+2012-02-14 Richard Guenther <rguenther@suse.de>
+
+ PR lto/52178
+ * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
+ Do not stream DECL_QUALIFIER.
+ * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
+ * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
+ (find_decls_types_r): Do not walk DECL_QUALIFIER.
+
+2012-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/52181
+ * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
+ newdecl.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52172
+ * cselib.h (cselib_subst_to_values_from_insn): New prototype.
+ * cselib.c (cselib_subst_to_values_from_insn): New function.
+ * sched-deps.c (add_insn_mem_dependence,
+ sched_analyze_1, sched_analyze_2): Use it.
+
+2012-02-13 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/52214
+ * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
+
+2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
+ (GTM_SELF_SPECS): Define if not already defined.
+ (driver_self_specs): Add GTM_SELF_SPECS.
+ * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
+ (GTM_SELF_SPECS): Define.
+ * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
+ * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
+ away if seen.
+
+ * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
+
+ PR middle-end/52230
+ * omp-low.c (expand_omp_for): If a static schedule without chunk size
+ has NULL region->cont, force fd.chunk_size to be integer_zero_node.
+
+2012-02-13 Andrew MacLeod <amacleod@redhat.com>
+
+ PR c/52190
+ * doc/extend.texi : Fix another __atomic_compare_exchange typo.
+
+2012-02-13 Richard Guenther <rguenther@suse.de>
+
+ PR translation/52211
+ * passes.c (enable_disable_pass): Fix typo.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52209
+ * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
+ XOR for reduce_bit_field if type is unsigned.
+
+2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
+ disallow changes from SFmode to mode with different size in FP regs.
+
+2012-02-12 Robert Millan <rmh@gnu.org>
+ Gerald Pfeifer <gerald@pfeifer.com>
+
+ * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
+ Tweak comment.
+
+2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR rtl-optimization/52175
+ * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
+ to frame-related instructions.
+
+2012-02-10 Jason Merrill <jason@redhat.com>
+
+ PR c++/51910
+ * tlink.c (demangled_hash_entry): Change mangled to a VEC.
+ (demangle_new_symbols): Fill it.
+ (scan_linker_output): Walk it.
+ (start_tweaking): Split out from scan_linker_output.
+ (maybe_tweak): Update sym->chosen.
+ * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
+
+2012-02-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52132
+ * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
+
+2012-02-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
+ having the same mode as previous compare.
+
+2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
+ * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
+ (nonlocal_goto_internal): Likewise.
+ (nonlocal_goto): Emit a use and an indirect jump directly.
+
+2012-02-10 Andrew MacLeod <amacleod@redhat.com>
+
+ PR c/52190
+ * doc/extend.texi : Update comments for __atomic_compare_exchange and
+ __atomic_{is,always}_lock_free.
+
+2012-02-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52146
+ * config/i386/i386.c (ix86_legitimate_address_p): Disallow
+ negative constant address for TARGET_X32.
+
+2012-02-10 Richard Henderson <rth@redhat.com>
+
+ * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
+ * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
+ for GIMPLE_TRANSACTION. Tidy if's into a switch.
+
+2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+ Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/50031
+ * targhooks.c (default_builtin_vectorization_cost): Handle
+ vec_promote_demote.
+ * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
+ * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
+ all types of reduction and pattern statements.
+ (vect_estimate_min_profitable_iters): Likewise.
+ * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
+ (vect_get_load_cost): Use vec_perm for permutations; add dump logic
+ for explicit realigns.
+ (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
+ * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
+ vec_promote_demote.
+ * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
+ vec_perm for VSX and handle vec_promote_demote.
+
+2012-02-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52177
+ * builtins.c (fold_builtin_atomic_always_lock_free,
+ expand_builtin_atomic_always_lock_free,
+ fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
+ Return and/or test boolean_true_node/boolean_false_node instead of
+ integer_one_node/integer_zero_node.
+
+2012-02-10 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/48600
+ * predict.c (predict_paths_for_bb): Prevent looping.
+ (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
+
+2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
+
+ * config/arm/arm.c (output_move_double): In one case properly
+ count number of instructions that will be emitted.
+
+2012-02-10 Richard Guenther <rguenther@suse.de>
+
+ PR translation/52193
+ * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
+
+2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
+
+ PR middle-end/52140
+ * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
+
+2012-02-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52165
+ * var-tracking.c (emit_note_insn_var_location): If
+ EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
+ emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
+ non-NOTE_DURING_CALL_P insn.
+
+2012-02-09 Bin Cheng <bin.cheng@arm.com>
+
+ PR middle-end/51867
+ * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
+
+2012-02-08 Magnus Granberg <zorry@gentoo.org>
+
+ PR driver/48524
+ * gcc.c (switch_matches) Support switches with separated form,
+ -D and -U.
+
+2012-02-08 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (SREG_ADDR): Remove constant definition.
+ (SP_ADDR): Ditto.
+ (RAMPZ_ADDR): Ditto.
+ * config/avr/avr.c (avr_addr_t): New typedef.
+ (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
+ (avr_init_expanders): Initialize it.
+ (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
+ SREG_ADDR.
+ (expand_epilogue): Ditto.
+ (avr_print_operand): Ditto.
+ (avr_file_start): Ditto.
+ (avr_emit_movmemhi): Ditto.
+
+2012-02-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/46886
+ * tree-flow.h (do_while_loop_p): Declare.
+ * tree-ssa-loop-ch.c (do_while_loop_p): Export.
+ * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
+
+2012-02-08 Andrew MacLeod <amacleod@redhat.com>
+
+ * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
+ always succeed for integers larger than a native word.
+
+2012-02-08 Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/52170
+ * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
+ properly handle integer vector modes.
+
+2012-02-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR gcov-profile/52150
+ * coverage.c: Include target.h.
+ (build_var): Call targetm.strip_name_encoding on the assembler name.
+ Change one _ into . or $ if the target allows it.
+ * Makefile.in (coverage.o): Depend on $(TARGET_H).
+
+ PR rtl-optimization/52139
+ * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
+ is a BARRIER after emit_insn_after_noloc, move BB_END
+ to the last non-BARRIER insn before it.
+
+2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/24306
+ * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
+ (mips_gimplify_va_arg_expr): Call it instead of
+ std_gimplify_va_arg_expr.
+
+2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
+ message for -mno-pointers-to-nested-function.
+
+2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/51994
+ * expr.c (get_inner_reference): If there is an offset, add a negative
+ bit position to it (if any).
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52060
+ * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
+ copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
+ before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
+ and/or i0src_copy2 when needed.
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
+ or LTOPLUGINSONAME if have_c.
+
+ * config/freebsd-spec.h: Add comment about what macros can be defined
+ in this header.
+ (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
+ * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
+ here instead.
+
+2012-02-07 Richard Guenther <rguenther@suse.de>
+
+ * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
+ newline in -alias dumps.
+
+2012-02-07 Kai Tietz <ktietz@redhat.com>
+ Dave Korn <dave.korn.cygwin@gmail.com>
+
+ PR target/40068
+ * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
+ Take care that typinfo gets dllexport-attribute.
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52074
+ * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
+ if modifier < EXPAND_SUM call force_operand on the result.
+
+2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
+ adding __forwarder_dst__ prefix if a forwarder_section attribute is
+ present.
+ (epiphany_function_type): Replace types for specific interrupts with
+ EPIPHANY_FUNCTION_INTERRUPT.
+ (EPIPHANY_INTERRUPT_P): Update.
+ * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
+ New static function.
+ (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
+ <disinterrupt>: Affects type identity.
+ (epiphany_handle_interrupt_attribute): Handle variable number of
+ arguments.
+ (epiphany_compute_function_type): Update for new
+ epiphany_function_type definition.
+ (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
+ handlers with a longcall forwarder.
+ (epiphany_start_function): Handle multiple interrupt arguments and/or
+ forwarder_section attribute.
+
+ * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
+ libgloss.
+
+2012-02-07 Alan Modra <amodra@gmail.com>
+
+ PR target/52107
+ * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
+ subregs of TFmode.
+
+2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/50969
+ * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
+ use vec_perm rather than vector_stmt.
+ (vect_model_load_cost): Likewise.
+ * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
+ vec_perm to be the same as other vector statements.
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
+ cost of vec_perm for TARGET_VSX.
+
+2012-02-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52115
+ * tree-sra.c (access_has_replacements_p): New function.
+ (sra_modify_assign): Use it to decide whether a use is uninitialized.
+
+2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
+
+ PR middle-end/52047
+ * trans-mem.c (expand_call_tm): Add an assertion.
+ * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
+ functions.
+
+2012-02-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50955
+ * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
+ raise cost of expressions that replace an address with an
+ expression based on a different pointer.
+
+2012-02-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52129
+ * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
+ CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
+
+2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ PR c++/48680
+ * doc/invoke.texi (C++ Dialect Options): Use @option markup for
+ -Weffc++ and specify guidelines come from second edition.
+
+2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
+ (sibcall_value_multiple_internal, call_split, call_internal_direct)
+ (call_direct_split, call_value_split, call_value_internal_direct)
+ (call_value_direct_split, call_value_multiple_split): Use jal and
+ jal_macro attributes.
+
+2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * reload1.c (reload_regs_reach_end_p): Replace with...
+ (reload_reg_rtx_reaches_end_p): ...this function.
+ (new_spill_reg_store): Update commentary.
+ (emit_input_reload_insns): Don't clear new_spill_reg_store here.
+ (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
+ before setting new_spill_reg_store.
+ (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
+ Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
+ Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
+ for non-spill reload registers.
+
+2012-02-05 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/52091
+ * tree-vectorizer.h (vect_is_simple_use): Add an argument.
+ (vect_is_simple_use_1): Likewise.
+ * tree-vect-loop.c (vectorizable_reduction): Update calls
+ to vect_is_simple_use_1 and vect_is_simple_use.
+ (vectorizable_live_operation): Likewise.
+ * tree-vect-patterns.c (widened_name_p,
+ vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
+ * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
+ vectorizable_call, vectorizable_conversion, vectorizable_assignment,
+ vectorizable_shift,vectorizable_operation, vectorizable_store,
+ vectorizable_load): Likewise.
+ (vect_is_simple_cond): Add an argument, pass it to
+ vect_is_simple_use_1.
+ (vectorizable_condition): Update calls to vect_is_simple_cond,
+ vect_is_simple_use.
+ (vect_is_simple_use): Add an argument, the statement in which
+ OPERAND is used. Check that if OPERAND's def stmt is a double
+ reduction phi node, the use is a phi node too.
+ (vect_is_simple_use_1): Add an argument, pass it to
+ vect_is_simple_use.
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
+ to vect_is_simple_use.
+
+2012-02-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52095
+ * modulo-sched.c (dump_insn_locator): New function.
+ (loop_canon_p, sms_schedule): Use it.
+
+ PR rtl-optimization/52113
+ * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
+ even for decomposable shift/zext insns.
+
+2012-02-03 Jakub Jelinek <jakub@redhat.com>
+ Zdenek Dvorak <ook@ucw.cz>
+
+ PR rtl-optimization/52092
+ * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
+ on get_iv_value result.
+
+2012-02-02 Andrew Pinski <apinski@cavium.com>
+
+ PR middle-end/47982
+ PR middle-end/43967
+ * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
+
+2012-02-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/48071
+ * diagnostic.c (diagnostic_finish): Remove trailing newlines.
+
+2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/49800
+ * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
+ (sched_finish): Call regstat_free_n_sets_and_refs.
+
+2012-02-02 Jia Liu <proljc@gmail.com>
+
+ * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
+ than operand 2.
+
+2012-02-02 Jan Hubicka <jh@suse.cz>
+ Tom de Vries <tom@codesourcery.com>
+
+ PR middle-end/51998
+ * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
+ * varpool.c (varpool_analyze_pending_decls): Likewise.
+
+2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
+ Jayant R Sonar <jayant.sonar@kpitcummins.com>
+
+ * config.gcc: Add cr16-* support.
+
+ * doc/extend.texi: Document cr16 extensions.
+ * doc/install.texi: Document cr16 install.
+ * doc/invoke.texi: Document cr16 options.
+ * doc/md.texi: Document cr16 constraints.
+
+ * common/config/cr16/cr16-common.c: New file.
+ * config/cr16/cr16.c: New file.
+ * config/cr16/cr16.h: New file.
+ * config/cr16/cr16.md: New file.
+ * config/cr16/cr16.opt: New file.
+ * config/cr16/cr16-protos.h: New file.
+ * config/cr16/predicates.md: New file.
+ * config/cr16/constraints.md: New file.
+ * config/cr16/t-cr16: New file.
+
+2012-02-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52086
+ * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
+ that operands[2] is either immediate, or q_regs_operand.
+
+ PR tree-optimization/52073
+ * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
+ a pattern stmt for pattern uses, ignore uses outside of the loop.
+
+2012-02-01 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c: Resolve all AS1 and AS2 macros.
+ * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
+ (OUT_AS1, OUT_AS2): Remove.
+
+2012-02-01 Georg-Johann Lay <avr@gjlay.de>
+
+ PR rtl-optimization/51374
+ * combine.c (can_combine_p): Don't allow volatile_refs_p insns
+ to cross other volatile_refs_p insns.
+
+2012-02-01 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (fno-inline): Clarify documentation.
+ (finline-small-functions): Likewise.
+ (finline-functions): Likewise.
+ * common.opt (finline): Adjust comment and documentation.
+ (finline-small-functions): Clarify documentation.
+ (finline-functions): Likewise.
+ (finline-functions-called-once): Likewise.
+
+2012-02-01 Tristan Gingold <gingold@adacore.com>
+
+ * c-typeck.c (composite_type): Keep mode for pointers.
+
+2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * function.h (regno_reg_rtx): Adjust comment.
+ * reginfo.c (init_reg_modes_target): Only use the previous mode
+ if it fits within one register. Remove MIPS comment.
+
+2012-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52058
+ * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
+
+2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
+ to srak instruction.
+
+2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
+
+2012-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52041
+ PR bootstrap/52039
+ PR target/51974
+ * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
+
+2012-01-31 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51528
+ * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
+ assigns.
+
+2012-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52041
+ PR bootstrap/52039
+ PR target/51974
+ * ree.c (add_removable_extension): Change def_map argument
+ to unsigned *, store in def_map 1 + offset into *insn_list vector
+ instead of pointers into the vector.
+ (find_removable_extensions): Adjust caller.
+
+2012-01-30 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md: Resolve all AS1 and AS2 macros.
+ Transform all "* quoted-c-code" to { c-code }.
+ Remove redundant test for "optimize" in combine patterns.
+ Move (include "avr-dimode.md") to end of file.
+
+2012-01-30 Bin Cheng <bin.cheng@arm.com>
+
+ PR target/51835
+ * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
+ for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52028
+ * tree-loop-distribution.c (ldist_gen): Properly update
+ virtual SSA form.
+
+2012-01-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52027
+ * dwarf2out.c (dwarf2out_switch_text_section): Don't call
+ set_cur_line_info_table if not emitting debug info.
+
+ PR tree-optimization/52046
+ * tree-vect-patterns.c (check_bool_pattern): Give up if
+ a comparison could throw.
+
+ PR debug/52048
+ * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52045
+ * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
+ SSA form if cfgcleanup did anything.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52045
+ * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
+ before computing final todo.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51528
+ * tree-sra.c (sra_modify_assign): Re-factor in preparation
+ for PR51528 fix.
+
+2012-01-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * df-problems.c (df_kill_notes): Check that the use refers
+ to the note under examination.
+
+2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/51920
+ * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
+ parameter and use short-lived pseudos.
+ (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
+ (sparc_expand_vector_init): Const-ify local variables and adjust
+ calls to above functions.
+
+2012-01-30 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
+
+2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Make usage of "compile time" and
+ "run time"/"runtime" consistent throughout the file.
+
+2012-01-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.c (alpha_option_override): Default to
+ full IEEE compliance mode for Go language.
+
+2012-01-29 Tijl Coosemans <tijl@coosemans.org>
+
+ * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
+ (LINK_SSP_SPEC): Define.
+
+2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/51871
+ * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
+ stubs.
+
+2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Correct hyphenation of "floating point",
+ "double precision", and related terminology throughout the file.
+
+2012-01-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52006
+ * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
+ arm_general_register_operand predicate for operand 2 instead of
+ register_operand.
+
+2012-01-27 Ian Lance Taylor <iant@google.com>
+
+ PR go/47656
+ * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
+ * builtins.c (expand_builtin_init_trampoline): Add onstack
+ parameter. Change caller.
+ (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
+ * tree.c (build_common_builtin_nodes): Declare
+ __builtin_init_heap_trampoline.
+
+2012-01-27 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
+ tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
+ * config/avr/avr.c: Ditto.
+ (avr_regnames): Remove because unused.
+ * config/avr/avr.md (*cpse.ne): New peephole.
+ (*cpse.eq): New peephole from former cpse peepholes.
+
+2012-01-27 Michael Eager <eager@eagercon.com>
+
+ * config/microblaze.c (microblaze_emit_compare): Correct
+ test after pcmp instruction.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52020
+ * tree-sra.c (sra_modify_assign): Do not transform clobbers.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ * ipa-pure-const.c (check_stmt): Clobbers do not make a
+ function non-const/pure.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50444
+ * tree-sra.c (build_ref_for_offset): Properly adjust the
+ MEM_REF type for unaligned accesses.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50444
+ * expr.c (mem_ref_refers_to_non_mem_p): New function.
+ (expand_assignment): Use it. Properly handle misaligned
+ bases when expanding stores to component references.
+ (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
+ refactor that case.
+
+2012-01-27 Andrey Belevantsev <abel@ispras.ru>
+
+ PR middle-end/51389
+ * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
+ * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
+ * tree-data-ref.c (find_data_references_in_loop): Make static.
+ (compute_all_dependences): Change return type to bool. Bail out
+ for too many datarefs in a loop. Move the hunk resetting the data
+ dependences vector from ...
+ (compute_data_dependences_for_loop): ... here. Account for
+ compute_all_dependences returning false.
+ (compute_data_dependences_for_bb): Likewise.
+ * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
+ * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51959
+ * expr.c (store_field): Use the alias-set of the scratch memory
+ for storing to it.
+
+2012-01-27 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/51990
+ * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
+ WITH_SIZE_EXPR.
+ * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
+
+2012-01-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52001
+ * var-tracking.c (reverse_op): Don't add any reverse operation
+ if V already has any constant locations.
+
+2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Correct usage of "command line" (noun)
+ vs "command-line" (adjective) throughout.
+
+2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (Language Independent Options): Move
+ -Wcoverage-mismatch blurb from here....
+ (Warning Options): ...to here.
+
+2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal):
+ Set rs6000_always_hint to false for 476.
+
+2012-01-27 Matthias Klose <doko@ubuntu.com>
+
+ * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
+ system root.
+ * incpath.c (add_standard_paths): Likewise.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
+ * config/m68k/sync.md (atomic_test_and_set): Rename from
+ sync_test_and_setqi and adjust the operands.
+ (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
+ and unconditionally enable.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
+ * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
+ (ldstub): Rename from ldstubqi.
+ (ldstub<I24MODE>): Remove.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
+ * c-cppbuiltin.c (cpp_atomic_builtins): Define
+ __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
+ * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
+ * doc/tm.texi: Rebuild.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (gen_atomic_test_and_set): Remove default.
+ (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
+
+2012-01-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/51978
+ * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
+ (combine_reaching_defs): Likewise.
+ (struct re_info): Remove.
+ (add_removable_extension): Remove x and data arguments,
+ add insn, insn_list and def_map. Use the arguments directly
+ instead of using struct re_info.
+ (find_removable_extensions): Don't call add_removable_extension
+ through note_stores, instead just call it with single_set
+ result if non-NULL.
+ (find_and_remove_re): Pass curr_cand->expr instead of
+ PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
+
+2012-01-26 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/46590
+ * cfgexpand.c: Revert last change (r183305).
+ * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
+ regs.
+ * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
+ checking for emptiness.
+
+2012-01-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51895
+ * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
+ non-addressable non-BLKmode base correctly.
+
+2012-01-26 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/48794
+ * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
+ regions referenced from RESX/EH_DISPATCH.
+
+2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.h: Make BRANCH_COST an option.
+ * config/s390/s390.opt: New option -mbranch-cost.
+
+2012-01-26 Richard Henderson <rth@redhat.com>
+
+ Revert 2012-01-24 change:
+ * trans-mem.c (requires_barrier): Do not instrument thread local
+ variables and emit save/restore for them.
+
+2012-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51986
+ * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
+ for pat == 0.
+
+2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_small_data_pattern_1): Don't process
+ ASM_OPERANDS.
+
+2012-01-25 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49868
+ Rename __pgm to __flash.
+ Rename __pgm1 to __flash1.
+ Rename __pgm2 to __flash2.
+ Rename __pgm3 to __flash3.
+ Rename __pgm4 to __flash4.
+ Rename __pgm5 to __flash5.
+ Rename __pgmx to __memx.
+ * doc/extend.texi (AVR Named Address Spaces)
+ Rename address space names as indicated above.
+ * config/avr/avr.c (avr_addrspace): Ditto.
+
+ * config/avr/avr-protos.h
+ (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
+ (avr_mem_pgm_p): Rename to avr_mem_flash_p.
+ * config/avr/predicates.md: Ditto.
+ * config/avr/avr.c Ditto, and
+ (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
+ (avr_decl_pgm_p): Rename to avr_decl_flash_p.
+
+ * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
+ (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
+ (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
+ (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
+ (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
+ (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
+ (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
+ * config/avr/avr.c: Ditto.
+ * config/avr/avr.md: Ditto.
+
+2012-01-25 Jason Merrill <jason@redhat.com>
+
+ PR c++/51992
+ * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
+
+2012-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51987
+ * tree-data-ref.c (get_references_in_stmt): Handle references in
+ non-volatile GIMPLE_ASM.
+
+2012-01-25 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
+ bases are dereferenced.
+
+2012-01-25 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/48374
+ * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
+
+2012-01-25 Andrey Belevantsev <abel@ispras.ru>
+
+ * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
+ compute_data_dependences_for_loop returns false.
+ * tree-parloops.c (loop_parallel_p): Likewise.
+
+2012-01-25 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (get_pointer_alignment_1): Declare.
+ * builtins.c (get_pointer_alignment_1): New function.
+ (get_pointer_alignment): Use it.
+
+2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR rtl-optimization/48308
+ * combine.c (enum undo_kind): Add UNDO_LINKS.
+ (struct undo): Add member l to other_contents and where.
+ (do_SUBST_LINK): New.
+ (SUBST_LINK): New.
+ (try_combine): Handle LOG_LINKS for the dummy i1 case.
+ (undo_all): Handle UNDO_LINKS.
+
+2012-01-25 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
+ mem inputs.
+
+2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * optabs.c (gen_atomic_test_and_set): Use each argument.
+
+2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
+ (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
+ (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
+ (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
+ (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
+ TARGET_PAIRED_SINGLE_FLOAT.
+
+2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
+ (in_struct, return_val): Remove MEM documentation.
+ * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
+ (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
+ (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
+ and MEM_SCALAR.
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
+ * cfgexpand.c (add_alias_set_conflicts): Likewise.
+ * expr.c (store_field): Likewise.
+ * function.c (assign_stack_temp_for_type): Likewise.
+ * ifcvt.c (noce_try_cmove_arith): Likewise.
+ * reload1.c (reload): Likewise.
+ * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
+ (alpha_set_memflags): Likewise.
+ * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
+
+2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (true_dependence, canon_true_dependence): Remove varies
+ parameter.
+ * alias.c (fixed_scalar_and_varying_struct_p): Delete.
+ (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
+ (true_dependence_1, true_dependence, canon_true_dependence): Remove
+ varies parameter.
+ * cselib.c (cselib_rtx_varies_p): Delete.
+ (cselib_invalidate_mem): Update call to canon_true_dependence.
+ * dse.c (record_store, check_mem_read_rtx): Likewise.
+ (scan_reads_nospill): Likewise.
+ * cse.c (check_dependence): Likewise.
+ (cse_rtx_varies_p): Delete.
+ * expr.c (safe_from_p): Update call to true_dependence.
+ * ira.c (validate_equiv_mem_from_store): Likewise.
+ (memref_referenced_p): Likewise.
+ * postreload-gcse.c (find_mem_conflicts): Likewise.
+ * sched-deps.c (sched_analyze_2): Likewise.
+ * store-motion.c (load_kills_store): Likewise.
+ * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
+ * gcse.c (mems_conflict_for_gcse_p): Likewise.
+ (compute_transp): Update call to canon_true_dependence.
+
+2012-01-25 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
+ (maybe_emit_atomic_test_and_set): New.
+ (expand_sync_lock_test_and_set): Use it.
+ (expand_atomic_test_and_set): Likewise.
+ * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
+ the implementation; clarify implementation defined details.
+ * doc/md.texi (atomic_test_and_set): Document.
+
+2012-01-25 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
+
+2012-01-25 Richard Henderson <rth@redhat.com>
+
+ PR target/51968
+ * config/arm/arm.c (neon_split_vcombine): Emit deleted note
+ to effect no-op split.
+
+2012-01-24 Aldy Hernandez <aldyh@redhat.com>
+
+ PR lto/51698
+ * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
+ (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
+ (BT_FN_VOID_PTR_INT_SIZE): New.
+ (BT_FN_UINT_UINT_VAR): Remove.
+ (BT_FN_UINT32_UINT32_VAR): New.
+ (BT_FN_DOUBLE_VPTR): Remove.
+ (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
+
+ * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
+ (_ITM_changeTransactionMode): Same.
+ (_ITM_memmoveRtWt): Change return type to void.
+ (_ITM_memcpyRtWt): Same.
+ (_ITM_memsetW): Same.
+ (_ITM_RaRD): Change types to double.
+ (_ITM_RD): Same.
+ (_ITM_RaWD): Same.
+ (_ITM_RfWD): Same.
+
+ * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
+
+2012-01-24 Aldy Hernandez <aldyh@redhat.com>
+ Patrick Marlier <patrick.marlier@gmail.com>
+
+ * trans-mem.c (requires_barrier): Do not instrument thread local
+ variables and emit save/restore for them.
+
+2012-01-24 Jason Merrill <jason@redhat.com>
+
+ PR c++/51812
+ * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
+ output static aliases.
+
+2012-01-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR driver/47249
+ * common.opt (-pie, -shared, pie, shared): Change from Common to
+ Driver.
+ * gcc.c (display_help): Display help for -pie and -shared.
+
+2012-01-24 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49868
+ * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
+ Remove note on size/offset limitation.
+ (AVR Variable Attributes): Add example how to read data located
+ with progmem. Refer to named address spaces.
+ * doc/invoke.texi (AVR Options): Fix typo.
+
+2012-01-24 Richard Guenther <rguenther@suse.de>
+
+ Forward-port to trunk
+ 2010-09-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/45678
+ * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
+ op0 isn't sufficiently aligned and there is movmisalignM
+ insn for mode, use it to load op0 into a temporary register.
+
+2012-01-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/51957
+ * target.def (const_not_ok_for_debug_p): New hook.
+ * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
+ documentation.
+ * doc/tm.texi: Regenerated.
+ * dwarf2out.c (const_ok_for_output_1): If
+ targetm.const_not_ok_for_debug_p returns true, fail.
+ * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
+ function.
+ (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
+
+2012-01-23 Kai Tietz <ktietz@redhat.com>
+
+ PR target/51900
+ * config/i386/predicates.md (symbolic_operand): Allow
+ UNSPEC_PCREL as PIC expression for lea.
+ * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
+ * config/i386/i386.c (ix86_delegitimize_address): Handle
+ UNSPEC_PCREL for none-MEM, too.
+
+2012-01-23 Aldy Hernandez <aldyh@redhat.com>
+
+ * trans-mem.c (ipa_tm_create_version): Set externally_visible.
+ (ipa_tm_create_version_alias): Same.
+
+2012-01-23 Uros Bizjak <ubizjak@gmail.com>
+
+ PR libitm/51830
+ * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
+ * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
+
+2012-01-23 Aldy Hernandez <aldyh@redhat.com>
+ Patrick Marlier <patrick.marlier@gmail.com>
+ Iain Sandoe <developer@sandoe-acoustics.co.uk>
+
+ PR lto/51916
+ * lto-wrapper.c (run_gcc): Pass the LTO section name to
+ simple_object_start_read.
+
+2012-01-23 Richard Guenther <rguenther@suse.de>
+
+
+ PR tree-optimization/51895
+ * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
+ parameter decomposition into BLKmode components.
+
+2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
+ fake variables for restrict-qualified pointers whose pointed-to type
+ contains a placeholder.
+
+2012-01-23 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51949
+ * ipa-split.c (execute_split_functions): Do not split malloc functions.
+
+2012-01-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/51933
+ * ree.c (transform_ifelse): Return true right away if dstreg is
+ already wider or equal to cand->mode.
+ (enum ext_modified_kind, struct ext_modified, ext_state): New types.
+ (make_defs_and_copies_lists): Remove defs_list and copies_list
+ arguments, add state argument, just truncate state->work_list
+ instead of always allocating and freeing the vector. Assert that
+ get_defs succeeds instead of returning 2. Changed return type to bool.
+ (merge_def_and_ext): Add state argument. If SET_DEST doesn't
+ have ext_src_mode, see if it has been modified already with the
+ right kind of extension and has been extended before from the
+ ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
+ just return true. Remember the original mode in state->modified array.
+ (combine_reaching_defs): Add state argument. Don't allocate and
+ free here def_list, copied_list and vec vectors, instead just
+ VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
+ (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
+ Add state variable, clear vectors in it, initialize state.modified
+ if needed. Free all the vectors at the end and state.modified too.
+ Don't skip a candidate if the extension expression has been modified.
+
+2012-01-22 Douglas B Rupp <rupp@gnat.com>
+
+ PR target/47096
+ * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
+ configurations. Change triplet to i[34567]86-*-interix[3-9]*.
+ (extra_options) interix.opt -> i386/interix.opt"
+ (extra_objs):Add winnt-stubs.o
+ * configure.ac: Add interix to target_os .comm on PE check.
+ * configure: Regenerate.
+ * config/interix3.h: Delete and move bits to..
+ * config/interix.h: Delete and move bits to..
+ * config/i386/i386-interix3.h: Delete and move bits to..
+ * config/i386/i386-interix.h: ..here.
+ (TARGET_CPU_DEFAULT): Remove redefinition.
+ (TARGET_ASM_CONSTRUCTOR): Undefine.
+ (SUBTARGET_SWITCHES): Define for ms-bitfields.
+ (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
+ (PTRDIFF_TYPE): Define.
+ (LONG_DOUBLE_TYPE_SIZE): Define.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
+ (SUBTARGET_OVERRIDE_OPTIONS): Remove.
+ (TARGET_SECTION_TYPE_FLAGS): Define.
+ (ASM_DECLARE_FUNCTION_NAME): Define.
+ (ASM_OUTPUT_EXTERNAL): Define.
+ (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
+ (ASM_OUTPUT_ALIGNED_BSS): Define.
+ (PCC_BITFIELD_TYPE_MATTERS): Define.
+ (USE_CONST_SECTION): Define.
+ (SUBTARGET_ENCODE_SECTION_INFO): Remove.
+ (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
+ (SUPPORTS_ONE_ONLY): Remove.
+ (I386_PE_STRIP_ENCODING): Define.
+ * config/interix.opt: Delete and move bits to..
+ * config/i386/interix.opt: ..here. New.
+ (mpe-aligned-commons): Add.
+ * config/i386/t-interix: Add copyright header.
+ (winnt-stubs.o): Add rule.
+
+2012-01-22 Jason Merrill <jason@redhat.com>
+
+ PR c++/51832
+ * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
+ for extra name aliases.
+
+2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/51924
+ * ree.c (combine_set_extension): Improve debugging message.
+ (combine_reaching_defs): Likewise.
+ (get_defs): Rename confusingly named variable.
+ (find_and_remove_re): Skip a candidate if the extension expression has
+ been modified.
+
+2012-01-21 Robert Millan <rmh@gnu.org>
+ Gerald Pfeifer <gerald@pfeifer.com>
+
+ * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
+ (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
+
+2012-01-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51914
+ * tree-vect-stmts.c (vectorizable_conversion): For
+ cvt_type && modifier == WIDEN, put temporary with cvt_type
+ at the beginning of vec_dsts and set vec_dest to temporary
+ with vectype_out.
+
+2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
+
+ * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
+
+2012-01-20 Tijl Coosemans <tijl@coosemans.org>
+
+ * config/i386/i386.c: Fix checks for !TARGET_MACHO.
+ * config/rs6000/rs6000.c: Likewise.
+
+2012-01-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/51915
+ * config/arm/arm.c (arm_count_output_move_double_insns): Call
+ output_move_double on a copy of operands array.
+
+2012-01-20 Cary Coutant <ccoutant@google.com>
+ Dodji Seketeli <dodji@redhat.com>
+
+ PR debug/45682
+ * dwarf2out.c (copy_declaration_context): Return ref to parent
+ of declaration DIE, if necessary.
+ (remove_child_or_replace_with_skeleton): Add new parameter; update
+ caller. Place skeleton DIE under parent DIE of original declaration.
+ Move call to copy_declaration_context to here ...
+ (break_out_comdat_types): ... from here.
+
+2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ PR rtl-optimization/51856
+ * reload.c (find_reloads_subreg_address): Set the address_reloaded
+ flag to reloaded.
+
+2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR target/51819
+ * config/arm/arm.c (arm_print_operand): Correct output of alignment
+ hints for neon loads and stores.
+
+2012-01-20 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49868
+ PR target/50887
+ * doc/extend.texi (Named Address Spaces): Split into subsections.
+ (AVR Named Address Spaces): New subsection.
+ (M32C Named Address Spaces): New subsection.
+ (RL78 Named Address Spaces): New subsection.
+ (SPU Named Address Spaces): New subsection.
+ (Variable Attributes): New anchor "AVR Variable Attributes".
+ (AVR Variable Attributes): Rewrite and avoid wording
+ "address space" in this context.
+ * doc/invoke.texi (AVR Options): Rewrite and add documentation
+ for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
+ (AVR Built-in Macros): New subsubsection therein.
+ * doc/md.texi (AVR constraints): Remove "C04", "R".
+
+2012-01-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51903
+ * tree-ssa-pre.c (eliminate): Properly purging of EH edges
+ when removing stmts.
+
+2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR target/50313
+ * config/arm/arm.c (arm_load_pic_register): Use
+ gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
+ , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
+ (arm_pic_static_addr): Likewise.
+ (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
+ (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
+ * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
+ (pic_load_addr_unified): New.
+
+2012-01-20 Andrey Belevantsev <abel@ispras.ru>
+
+ PR target/51106
+ * function.c (instantiate_virtual_regs_in_insn): Use
+ delete_insn_and_edges when removing a wrong asm insn.
+
+2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/40761
+ * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
+ Add new member loop_num.
+ (IRA_LOOP_NODE_BY_INDEX): Modify the check.
+ (ira_build): Remove the parameter.
+
+ * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
+ (ira.c): Do not build CFG loops for one region allocation. Remove
+ argument from ira_build call.
+
+ * ira-build.c (init_loop_tree_node): New function.
+ (create_loop_tree_nodes): Use it. Separate the case when CFG
+ loops are not built.
+ (more_one_region_p): Check current_loops.
+ (finish_loop_tree_nodes): Separate the case when CFG loops are not
+ built.
+ (add_loop_to_tree): Process loop equal to NULL too.
+ (form_loop_tree): Separate the case when CFG loops are not built.
+ Use explicitly number for the root.
+ (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
+ an assertion.
+ (ira_print_expanded_allocno, loop_compare_func): Use loop_num
+ instead of loop->num.
+ (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
+ (mark_all_loops_for_removal): Ditto.
+ (remove_unnecessary_regions): Separate the case when CFG loops
+ are not built.
+ (ira_build): Remove the parameter. Use explicit number of regions
+ when CFG loops are not built.
+
+ * ira-color.c (print_loop_title): Separate the case for the root node.
+ Use loop_num instead of loop->num.
+ (move_spill_restore): Use loop_num instead of loop->num.
+
+ * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
+ (change_loop): Ditto.
+ (change_loop): Use loop_num instead of loop->num.
+
+ * ira-lives.c (process_bb_node_lives): Ditto.
+
+ * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
+
+ * ira-conflicts.c (print_allocno_conflicts): Ditto.
+
+2012-01-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR libmudflap/40778
+ * tree-mudflap.c (mf_artificial): New function.
+ (execute_mudflap_function_ops, execute_mudflap_function_decls,
+ mx_register_decls, mudflap_enqueue_decl): Use it.
+
+ PR target/51876
+ * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
+ numbers in the insn pattern.
+
+2012-01-19 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/46590
+ * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
+ use it in remembering which conflicts we already created.
+ (add_scope_conflicts): Adjust call to above, (de)allocate helper
+ bitmap.
+
+2012-01-19 Aldy Hernandez <aldyh@redhat.com>
+
+ PR lto/51280
+ * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
+ (merge_and_complain): Same.
+
+2012-01-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/50237
+ * config/initfini-array.h: Guard content of the header
+ with #ifdef HAVE_INITFINI_ARRAY.
+ * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
+ Add initfini-array.h to tm_file here.
+ * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
+ * config.gcc: Don't add initfini-array.h to tm_file here.
+ * configure: Regenerated.
+
+2012-01-19 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/51505
+ * df-problems.c (df_kill_notes): New parameter live. Update comment.
+ Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
+ (df_note_bb_compute): Update the call to df_kill_notes.
+
+2012-01-18 Aldy Hernandez <aldyh@redhat.com>
+
+ * trans-mem.c (requires_barrier): Remove call to is_global_var.
+
+2012-01-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa.c (useless_type_conversion_p): Remove special-casing
+ of conversions to void *.
+
+2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+ Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/50325
+ PR middle-end/51192
+ * optabs.h (simplify_expand_binop): Declare.
+ * optabs.c (simplify_expand_binop): Make global.
+ * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
+ endian targets if the source cannot be exactly covered by word
+ mode chunks.
+
+2012-01-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/51872
+ * hard-reg-set.h (struct hard_reg_set_container): New type.
+ * target.h (struct hard_reg_set_container): Forward declare.
+ * target.def (set_up_by_prologue): New target hook.
+ * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
+ * doc/tm.texi: Regenerated.
+ * function.c (thread_prologue_and_epilogue_insns): Change
+ set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
+ Call targetm.set_up_by_prologue on it.
+ * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
+ (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
+
+2012-01-17 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.c (rx_can_use_simple_return): New function.
+ * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
+ * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
+
+2012-01-17 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51782
+ * expr.c (expand_assignment): Take address-space information
+ from the address operand of MEM_REF and TARGET_MEM_REF.
+ (expand_expr_real_1): Likewise.
+
+2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * ira.c (do_reload): Make sure ira_dump_file is re-set if no
+ reload dump is requested.
+
+2012-01-17 Aldy Hernandez <aldyh@redhat.com>
+
+ PR other/51165
+ * trans-mem.c (requires_barrier): Call may_be_aliased.
+
+2012-01-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51877
+ * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
+ call arguments and fndecls compare equal, instead return false if they
+ don't. Return true only if lhs1 and lhs2 are either both NULL, or
+ both SSA_NAMEs that are valueized the same, or they satisfy
+ operand_equal_p.
+
+2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
+ Solaris 11+.
+ * configure: Regenerate.
+
+2012-01-16 Jan Hubicka <jh@suse.cz>
+
+ PR c/12245
+ PR c++/14179
+ * convert.c (convert_to_integer): Use fold_convert for
+ converting an INTEGER_CST to integer type.
+
+2012-01-16 Jason Merrill <jason@redhat.com>
+
+ PR c++/14179
+ * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
+
+2012-01-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/51860
+ * config/s390/s390.c (s390_chunkify_start): Don't skip
+ call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
+ NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
+ If insn is followed by NOTE_INSN_VAR_LOCATION or
+ NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
+ Don't use location of note insns.
+
+ PR tree-optimization/51865
+ * tree-inline.c (tree_function_versioning): Call remap_decl
+ on DECL_RESULT whenever it has VOID_TYPE_P type.
+
+2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
+ for calls to locally-binding MIPS16 functions if only the return
+ type uses float regs.
+
+2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
+ Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
+ (SYMBOL_32_HIGH): Likewise.
+ (mips_output_tls_reloc_directive): Declare.
+ * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
+ (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
+ * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
+ (mips_lo_relocs, mips_hi_relocs): Make extern.
+ (mips16_stub_function): Move up file.
+ (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
+ (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
+ (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
+ (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
+ SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
+ (mips_get_tp): Add MIPS16 support.
+ (mips_legitimize_tls_address): Remove MIPS16 sorry().
+ Generalize DTPREL and TPREL handling.
+ (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
+ Add MIPS16 TLS support.
+ (mips_output_tls_reloc_directive): New function.
+ (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
+ * config/mips/predicates.md (symbolic_operand_with_high)
+ (tls_reloc_operand): New predicates.
+ (force_to_mem_operand): Use mips_use_pcrel_pool_p.
+ * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
+ (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
+ (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
+ (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
+ (*tls_get_tp_mips16_call_<mode>): Likewise.
+
+2012-01-15 Uros Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/51821
+ * recog.c (peep2_find_free_register): Determine clobbered registers
+ from insn pattern.
+
+2012-01-14 Denis Chertykov <chertykov@gmail.com>
+
+ PR target/50925
+ * config/avr/avr-protos.h: Revert change of 2012-01-09.
+ * config/avr/avr.c: Likewise.
+ * config/avr/avr.h: Likewise.
+
+2012-01-13 Ian Lance Taylor <iant@google.com>
+
+ PR c++/50012
+ * tree.h (TYPE_QUALS): Add cast to int.
+ (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
+
+2012-01-13 Ian Lance Taylor <iant@google.com>
+
+ * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
+ comparing param_index to VEC_length result.
+
+2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ * c-decl.c: Do not include tree-mudflap.h
+ * tree-optimize.c: Likewise.
+ * Makefile.in: Update dependencies.
+
+2012-01-13 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/8081
+ * gimplify.c (gimplify_modify_expr_rhs): For calls with a
+ variable-sized result always use RSO.
+
+2012-01-12 DJ Delorie <dj@redhat.com>
+
+ * cfgexpand.c (convert_debug_memory_address): Allow any valid
+ pointer type, not just the default pointer type.
+
+2012-01-09 Richard Henderson <rth@redhat.com>
+ Denis Chertykov <chertykov@gmail.com>
+
+ PR target/50925
+ * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
+ * config/avr/avr.c (avr_can_eliminate): Simplify.
+ (avr_initial_elimination_offset): Likewise.
+ (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
+ (expand_epilogue): Likewise.
+ (avr_legitimize_address): Gut.
+ (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
+ (avr_hard_regno_nregs): New.
+ (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
+ (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
+ * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
+ add soft frame pointer.
+ (CALL_USED_REGISTERS): Likewise.
+ (REG_CLASS_CONTENTS): Likewise.
+ (REGISTER_NAMES): Likewise.
+ (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
+ (HARD_FRAME_POINTER_REGNUM): New.
+ (FRAME_POINTER_REGNUM): Use soft frame pointer.
+ (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
+ remove the HARD_FRAME_POINTER self-elimination.
+
+2012-01-12 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/51756
+ * config/avr/avr.c (avr_encode_section_info): Test for absence of
+ DECL_EXTERNAL when checking for initializers of progmem variables.
+
+2012-01-12 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/51799
+ * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
+ that the last operation is a type demotion.
+
+2012-01-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
+ (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
+
+2012-01-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/51796
+ * combine.c (distribute_notes): If i3 is a noreturn call,
+ allow old_size to be equal to args_size and make sure the
+ noreturn call gets REG_ARGS_SIZE note.
+ * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
+ on noreturn calls even when the delta is 0.
+
+2012-01-11 Nathan Sidwell <nathan@acm.org>
+
+ * gcov.c (STRING_SIZE): Remove.
+ (generate_results): Erase annotations for source files with no
+ coverage information.
+ (read_line): New.
+ (output_lines): Use it.
+
+2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimple.h (gimplify_body): Remove first argument.
+ * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
+ pointer set here, instead just pass DATA to walk_tree.
+ (unshare_body): Remove BODY_P argument and adjust. Create the pointer
+ set here and invoke copy_if_shared on the size trees of DECL_RESULT.
+ (unvisit_body): Likewise, but with unmark_visited.
+ (gimplify_body): Remove BODY_P argument and adjust.
+ (gimplify_function_tree): Adjust call to gimplify_body.
+ * omp-low.c (finalize_task_copyfn): Likewise.
+
+2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.h (build_function_decl_skip_args): Add boolean parameter.
+ (build_function_type_skip_args): Delete.
+ * tree.c (build_function_type_skip_args): Make static and add
+ SKIP_RETURN parameter. Fix thinko in the handling of variants.
+ (build_function_decl_skip_args): Add SKIP_RETURN parameter and
+ pass it to build_function_type_skip_args.
+ * cgraph.h (cgraph_function_versioning): Add boolean parameter.
+ (tree_function_versioning): Likewise.
+ * cgraph.c (cgraph_create_virtual_clone): Adjust call to
+ build_function_decl_skip_args.
+ * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
+ and pass it to build_function_decl_skip_args/tree_function_versioning.
+ (cgraph_materialize_clone): Adjust call to tree_function_versioning.
+ * ipa-inline-transform.c (save_inline_function_body): Likewise.
+ * trans-mem.c (ipa_tm_create_version): Likewise.
+ * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
+ * tree-inline.c (declare_return_variable): Remove always-true test.
+ (tree_function_versioning): Add SKIP_RETURN parameter. If the function
+ returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
+ * ipa-split.c (split_function): Skip the return value for the split
+ part if it doesn't return.
+
+2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/49642
+ * ipa-split.c (forbidden_dominators): New variable.
+ (check_forbidden_calls): New function.
+ (dominated_by_forbidden): Likewise.
+ (consider_split): Check for forbidden dominators.
+ (execute_split_functions): Initialize and free forbidden
+ dominators info; call check_forbidden_calls.
+
+2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/arm.md (mov_notscc): Use MVN for false condition.
+
+2012-01-11 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md (return): Define pattern.
+
+2012-01-11 Richard Guenther <rguenther@suse.de>
+
+ * doc/extend.texi (malloc attribute): Adjust according to
+ implementation.
+
+2012-01-10 Aldy Hernandez <aldyh@redhat.com>
+ Patrick Marlier <patrick.marlier@gmail.com>
+
+ PR middle-end/51516
+ * trans-mem.c (get_cg_data): Traverse aliases if requested.
+ (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
+ (ipa_tm_note_irrevocable): Same.
+ (ipa_tm_scan_irr_block): Same.
+ (ipa_tm_decrement_clone_counts): Same.
+ (ipa_tm_scan_irr_function): Same.
+ (ipa_tm_create_version_alias): Same.
+ (ipa_tm_create_version): Same.
+ (ipa_tm_transform_calls_redirect): Same.
+ (ipa_tm_transform_calls): Same.
+ (ipa_tm_transform_transaction): Same.
+ (ipa_tm_execute): Same.
+
+2012-01-10 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51806
+ * opts.c (common_handle_option): Handle -Werror.
+
+2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
+
+ * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
+ operand number.
+
+2012-01-10 Jason Merrill <jason@redhat.com>
+
+ * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
+ information.
+
+2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
+ supports R_386_TLS_GD_PLT reloc.
+ (gcc_cv_as_ix86_tlsldmplt): Check if linker
+ supports R_386_TLS_LDM_PLT reloc.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+2012-01-10 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49868
+ Extend __pgmx semantics to linearize memory.
+ * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
+ determine if code comes inline or from libgcc.
+ (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
+ (movmem_qi, movmem_qi): Set constraint #2 to "n".
+ (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
+ (movmemx_qi, movmemx_hi): New insns.
+ (xload_<mode>_libgcc): Rewrite to new insn condition.
+ (xload_<mode>): Remove insns.
+ * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
+ cases that don't satisfy avr_xload_libgcc_p().
+ (avr_addr_space_convert): Allow converting in any direction.
+ (avr_addr_space_subset_p): Return always true.
+ (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
+ (avr_emit_movmemhi): Ditto.
+ (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
+ (avr_out_movmem): Ditto.
+ (AVR_SYMBOL_FLAG_PROGMEM): New macro.
+ (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
+ (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
+ (avr_encode_section_info): Encode 'progmem' in symbol flags.
+ (output_reload_in_const): Don't zero-extend any 24-bit symbols.
+
+2012-01-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50913
+ * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
+ Require data-refs to be representable by Graphite with respect
+ to any loop nest.
+
+2012-01-10 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/constraints.md ("L"): Return true for 0xffffffff.
+ * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
+
+2012-01-10 Tom de Vries <tom@codesourcery.com>
+
+ PR rtl-optimization/51271
+ * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
+ handling annulled branch.
+
+2012-01-10 Richard Henderson <rth@redhat.com>
+
+ * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
+ TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
+ struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
+ arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
+ arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
+ arm_expand_vec_perm_const): New.
+ * config/arm/arm-protos.h: Update.
+ * config/arm/neon.md (UNSPEC_VCONCAT): New.
+ (*neon_vswp<VDQX>): New.
+ (neon_vcombine<VDX>): Use neon_split_vcombine.
+ (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
+ * config/arm/vec-common.md (vec_perm_const<VALL>): New.
+ (vec_perm<VE>): New.
+
+2012-01-10 Richard Henderson <rth@redhat.com>
+
+ * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
+ use it if reload_completed.
+ (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
+ arm_output_asm_insn, arm_process_output_memory_barrier,
+ arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
+ arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
+ arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
+ arm_process_output_sync_insn, arm_output_sync_insn,
+ arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
+ (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
+ (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
+ (emit_unlikely_jump): New.
+ (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
+ (arm_split_atomic_op): New.
+ * config/arm/arm-protos.h: Update.
+ * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
+ (struct arm_sync_generator): Remove.
+ * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
+ VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
+ (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
+ (VUNSPEC_LL, VUNSPEC_SC): New.
+ (sync_result, sync_memory, sync_required_value, sync_new_value,
+ sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
+ (attr length): Don't use arm_sync_loop_insns.
+ (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
+ (movsfcc, movdfcc): Likewise.
+ * config/arm/constraints.md (Ua): New.
+ * config/arm/prediates.md (mem_noofs_operand): New.
+ (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
+ (sync_clobber, sync_t2_reqd): Remove.
+ (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
+ (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
+ (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
+ (arm_sync_compare_and_swap<SIDI>): Remove.
+ (arm_sync_compare_and_swap<NARROW>): Remove.
+ (arm_sync_lock_test_and_set<SIDI>): Remove.
+ (arm_sync_lock_test_and_set<NARROW>): Remove.
+ (arm_sync_new_<syncop><SIDI>): Remove.
+ (arm_sync_new_<syncop><NARROW>): Remove.
+ (arm_sync_new_nand<SIDI>): Remove.
+ (arm_sync_new_nand<NARROW>): Remove.
+ (arm_sync_old_<syncop><SIDI>): Remove.
+ (arm_sync_old_<syncop><NARROW>): Remove.
+ (arm_sync_old_nand<SIDI>): Remove.
+ (arm_sync_old_nand<NARROW>): Remove.
+ (*memory_barrier): Merge arm_output_memory_barrier.
+ (atomic_compare_and_swap<QHSD>): New.
+ (atomic_compare_and_swap<NARROW>_1): New.
+ (atomic_compare_and_swap<SIDI>_1): New.
+ (atomic_exchange<QHSD>): New.
+ (cas_cmp_operand, cas_cmp_str): New.
+ (atomic_op_operand, atomic_op_str): New.
+ (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
+ (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
+ (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
+ (arm_load_exclusive<NARROW>): New.
+ (arm_load_exclusivesi, arm_load_exclusivedi): New.
+ (arm_store_exclusive<QHSD>): New.
+
+2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
+ reload patterns if -mvsx-scalar-memory.
+
+ * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
+ generated, even -mno-vsx-scalar-double was used.
+ (vsx_xscvdpsp_scalar): Likewise.
+ (vsx_xscvspdp_scalar2): Likewise.
+
+2012-01-09 Tom de Vries <tom@codesourcery.com>
+ Andrew Pinski <apinski@cavium.com>
+
+ PR debug/51471
+ * reorg.c (fill_slots_from_thread): Don't speculate
+ frame-related insns.
+
+2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * sched-int.h (bb_note): Move to...
+ * basic-block.h: ...here.
+ * haifa-sched.c (bb_note): Move to...
+ * cfgrtl.c: ...here.
+ * function.c (next_block_for_reg): New function.
+ (move_insn_for_shrink_wrap): Likewise.
+ (prepare_shrink_wrap): Rewrite to use the above.
+
+2012-01-09 Aldy Hernandez <aldyh@redhat.com>
+
+ * gimple.c (is_gimple_non_addressable): Remove.
+ * gimple.h: Remove is_gimple_non_addressable.
+ * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
+ is_gimple_non_addressable.
+ * trans-mem.c (expand_assign_tm): Same.
+
+2012-01-09 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51775
+ * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
+ * tree-ssa-pre.c (eliminate): Properly fixup EH info.
+
+2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
+ tuning parameters.
+ * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
+
+2012-01-09 Richard Guenther <rguenther@suse.de>
+
+ * tree-streamer-out.c (write_ts_optimization): Fix spelling.
+
+2012-01-08 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimize/51680
+ * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
+ on when known_vals needs to be computed; cleanup.
+
+2012-01-08 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimize/51694
+ * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
+
+2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
+ for -std=c++98 and -std=c++11 too.
+
+2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * cfgloop.c (cancel_loop): Add free() of bbs array.
+
+2012-01-07 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/51600
+ * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
+ that benefits small functions.
+
+2012-01-07 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (want_inline_small_function_p): Fix formating.
+
+2012-01-07 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/51680
+ * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
+ whose inlining reduce unit size.
+
+2012-01-07 Alexandre Oliva <aoliva@redhat.com>
+
+ PR bootstrap/51725
+ * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
+ Add canonical node to containing_mem chain after the non-canonical
+ one, even if there weren't any locs to propagate.
+ (remove_useless_values): Keep only canonical values.
+ (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
+ (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
+ canonicalize mem_chain elements that are not discarded.
+
+2012-01-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/47333
+ * cgraphunit.c (cgraph_optimize): Call output_weakrefs
+ before emitting functions.
+
+ PR gcov-profile/50127
+ * bb-reorder.c (partition_hot_cold_basic_blocks): Call
+ clear_aux_for_blocks.
+
+2012-01-06 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/51746
+ * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
+
+2012-01-06 Arnaud Charlet <charlet@adacore.com>
+
+ * c-decl.c (ext_block): Moved up.
+ (collect_all_refs, for_each_global_decl): Take ext_block into account.
+
+2012-01-06 Han Shen <shenhan@google.com>
+
+ Translate built-in include paths for sysroot.
+ * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
+ (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
+
+ * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
+
+ * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
+ control whether sysroot should be prepended to gxx include dir.
+
+ * configure: Regenerate.
+
+2012-01-06 Torvald Riegel <triegel@redhat.com>
+
+ PR rtl-optimization/51771
+ * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
+ * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
+
+2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/51315
+ * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
+ (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
+
+2012-01-05 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/51681
+ * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
+ for shrp pattern. Correctly handle and fixup shift variable.
+ Return false when shift > nelt for BYTES_BIG_ENDIAN target.
+
+2012-01-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/51762
+ * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
+ note when !ACCUMULATE_OUTGOING_ARGS.
+
+2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
+ condition.
+ (extract_range_from_unary_expr_1): Avoid useless computations.
+
+2012-01-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/51767
+ * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
+ of jump_block and add an extra edge for degenerated asm gotos.
+
+ PR middle-end/51768
+ * stmt.c (check_unique_operand_names): Don't ICE during error
+ reporting if i is from labels chain.
+
+ PR middle-end/44777
+ * profile.c (branch_prob): Split bbs that have exit edge
+ and need a fake entry edge too.
+
+2012-01-05 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/49710
+ * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
+ unlooping loops.
+
+2012-01-05 Richard Guenther <rguenther@suse.de>
+
+ PR lto/50490
+ * tree-streamer-out.c (write_ts_optimization): New function.
+ (streamer_write_tree_body): Call it.
+ * tree-streamer-in.c (lto_input_ts_optimization): New function.
+ (streamer_read_tree_body): Call it.
+ * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
+
+2012-01-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51761
+ * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
+ * gimplify.c (gimplify_cleanup_point_expr): Save and set
+ in_cleanup_point_expr before gimplify_stmt call and restore it
+ afterwards.
+ (gimplify_target_expr): Don't add {CLOBBER} cleanup if
+ in_cleanup_point_expr is false.
+
+2012-01-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51764
+ * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
+ to c.opt.
+ * toplev.c (process_options): Reject combining mudflap and LTO.
+ * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
+
+2012-01-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51760
+ * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
+ not VARYING.
+ (bit_value_unop): Handle UNDEFINED operands.
+ (bit_value_binop): Likewise.
+
+2012-01-05 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (avr_replace_prefix): Remove.
+ (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
+ (avr_asm_function_rodata_section): Ditto.
+ (avr_asm_select_section): Ditto.
+
+2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
+
+ * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
+ insertion.
+
+2012-01-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/51648
+ * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
+ calls that have any non-fake successor edges.
+
+ PR debug/51746
+ * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
+
+2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/51624
+ * tree-sra.c (build_ref_for_model): When replicating a chain of
+ COMPONENT_REFs, stop as soon as the offset would become negative.
+
+2012-01-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/51695
+ * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
+ in .debug_loc on the floor.
+
+2012-01-04 Andrew Pinski <apinski@cavium.com>
+
+ * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
+
+2012-01-04 Andrew Pinski <apinski@cavium.com>
+ Adam Nemet <anemet@caviumnetworks.com>
+
+ * config/mips/mips.md (size): Add SI and DI.
+ (SIZE): New mode attribute.
+ (U): New code attribute.
+ * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
+ (mips_lbux_<mode>): Delete.
+ (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
+ (mips_lhx): Use gen_mips_lhx_extsi.
+ (mips_lhx_<mode>): Delete.
+ (mips_lwx): Delete.
+ (mips_l<size>x): New expand.
+ (mips_lwx_<mode>): Delete.
+ (mips_l<GPR:size>x_<P:mode>): New pattern.
+ (*mips_lw<u>x_<P:mode>_ext): Likewise.
+ * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
+ * config/mips/mips.c (mips_lx_address_p): New function.
+ (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
+ (dsp64): New availability predicate.
+ (mips_builtins): Add an entry for __builtin_mips_ldx.
+ * config/mips/mips.h (ISA_HAS_LBX): New define.
+ (ISA_HAS_LBUX): Likewise.
+ (ISA_HAS_LHX): Likewise.
+ (ISA_HAS_LHUX): Likewise.
+ (ISA_HAS_LWX): Likewise.
+ (ISA_HAS_LWUX): Likewise.
+ (ISA_HAS_LDX): Likewise.
+ * doc/extend.texi (__builtin_mips_ldx): Document.
+
+2012-01-04 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
+ when long pointers are used.
+ * config.build (*-*-*vms*): Handle all OpenVMS targets.
+ (alpha64-dec-*vms*, alpha*-dec-*vms*)
+ (ia64-hp-*vms*): Remove.
+ * config/vms/xm-vms64.h: Delete.
+
+2012-01-04 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/51472
+ * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
+
+2012-01-04 Aldy Hernandez <aldyh@redhat.com>
+
+ * opts.c (finish_options): Remove duplicate sorry.
+
+2012-01-04 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/51696
+ * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
+ correctly.
+
+2012-01-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51750
+ * tree.c (size_low_cst): New function.
+ * tree.h (size_low_cst): Declare.
+ * fold-const.c (fold_comparison): Use it to extract the low
+ part of the POINTER_PLUS_EXPR offset.
+
+2012-01-04 Georg-Johann Lay <avr@gjlay.de>
+
+ Fix clearing ZERO_REG
+ * config/avr/avr.md (cc): Add alternative "ldi".
+ (movqi_insn): Use it in cc attribute.
+ * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
+ (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
+ (output_reload_insisf): Use ZERO_REG to pre-clear register.
+
+2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * configure: Regenerate.
+
+2012-01-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/49651
+ * tree-ssa-structalias.c (type_can_have_subvars): New function.
+ (var_can_have_subvars): Use it.
+ (get_constraint_for_1): Only consider subfields if there can be any.
+
+2012-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/51725
+ * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
+ to its new canonical_cselib_val and the cselib_val was in
+ first_containing_mem chain, but the canonical_cselib_val was not,
+ add the latter into the chain.
+ (cselib_invalidate_mem): Compare canonical_cselib_val of
+ addr_list chain elt with v.
+
+ PR pch/51722
+ * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
+ dwarf2out_undef): Allocate e.info using ggc_strdup instead
+ of xstrdup.
+ (output_macinfo_op): Don't ggc_strdup fd->filename.
+ (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
+ then ggc_strdup it. Don't free inc->info or cur->info.
+ (output_macinfo): Don't free ref->info or file->info.
+
+2012-01-03 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/51269
+ * tree-vect-loop-manip.c (set_prologue_iterations): Make
+ first_niters a pointer.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ (vect_do_peeling_for_loop_bound): Update call to
+ slpeel_tree_peel_loop_to_edge.
+ (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
+ here. Remove it from the parameters list.
+ (vect_do_peeling_for_alignment): Update calls and compute
+ wide_prolog_niters.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51070
+ * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
+ Properly handle calls.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51692
+ * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
+ the LHS of allocation stmts.
+
+2012-01-03 Olivier Hainque <hainque@adacore.com>
+
+ * system.h: Prior to #define, #undef fopen and freopen unconditionally.
+
+2012-01-03 Olivier Hainque <hainque@adacore.com>
+
+ * collect2.c (main): In AIX specific computations for vector
+ insertions, use CONST_CAST2 to cast from char ** to const char **.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
+ PR debug/51650
+ * dwarf2out.c (dwarf2out_finish): Always create a DIE for
+ the context of a limbo DIE when it does not already exist.
+
+2012-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51719
+ * value-prof.c (gimple_ic): When indirect call isn't noreturn,
+ but direct call is, clear direct call's lhs and don't add fallthrough
+ edge from dcall_bb to join_bb and PHIs.
+
+2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
+ the instructions emitted by the pattern.
+ ("*TDC_insn_<mode>"): Add comment.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51730
+ * fold-const.c (fold_comparison): Properly canonicalize
+ tree offset and HOST_WIDE_INT bit position.
+
+2012-01-02 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
+ operands for extzv pattern.
+
+2012-01-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/51725
+ * cselib.c (add_mem_for_addr): Call canonical_cselib_val
+ on mem_elt first.
+
+2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (-flto and related options): Copy-edit.
+
+2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
+
+2012-01-02 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
+ New patterns.
+
+2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expr.h (move_by_pieces_ninsns): Declare.
+ * expr.c (move_by_pieces_ninsns): Make external.
+ * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
+ (mips_store_by_pieces_p): Likewise.
+ * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
+ (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
+ * config/mips/mips.c (mips_move_by_pieces_p): New function.
+ (mips_store_by_pieces_p): Likewise.
+
+2012-01-02 Jakub Jelinek <jakub@redhat.com>
+
+ * passes.c (register_one_dump_file): Free full_name.
+
+ * reload1.c (reload): Don't allocate reg_max_ref_width here.
+ (calculate_elim_costs_all_insns): Free offsets_at and
+ offsets_known_at at the end and clear the pointers.
+
+2012-01-02 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.opt (-mbranch-cost): Fix double definition of
+ this option introduced in r180739.
+
+2012-01-02 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/51345
+ * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
+ (tmake_file target=avr): Add avr/t-multilib.
+
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
+ to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
+ * config/avr/genmultilib.awk: New file.
+ * config/avr/t-multilib: New auto-generated file.
+ * config/avr/multilib.h: New auto-generated file.
+ * config/avr/t-avr (AVR_MCUS): New variable.
+ (genopt.sh): Use it.
+ (s-mlib): Depend on t-multilib.
+ (t-multilib, multilib.h): New dependencies.
+ (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
+ (MULTILIB_OPTIONS): Remove.
+ (MULTILIB_MATCHES): Remove.
+ (MULTILIB_DIRNAMES): Remove.
+ (MULTILIB_EXCEPTIONS): Remove:
+ * config/avr/genopt.sh: Don't use hard coded file name;
+ pass AVR_MCUS from t-avr instead.
+
+2012-01-02 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
+
+2012-01-02 Georg-Johann Lay <avr@gjlay.de>
+
+ Implement light-weight DImode support.
+ * config/avr/avr-dimode.md: New file.
+ * config/avr/avr.md: Include it.
+ (adjust_len): Add plus64, compare64.
+ (HIDI): Remove code iterator.
+ (code_stdname): New code attribute.
+ (rotx, rotsmode): Remove DI.
+ (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
+ as code iterator.
+ * config/avr/avr-protos.h (avr_have_dimode): New.
+ (avr_out_plus64, avr_out_compare64): New.
+ * config/avr/avr.c (avr_out_compare): Handle DImode.
+ (avr_have_dimode): New variable definition and initialization.
+ (avr_out_compare64, avr_out_plus64): New functions.
+ (avr_out_plus_1): Use simplify_unary_operation to negate xval.
+ (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
+ (avr_compare_pattern): Skip DImode comparisons.
+
+2012-01-02 Revital Eres <revital.eres@linaro.org>
+
+ * ddg.c (def_has_ccmode_p): New function.
+ (add_cross_iteration_register_deps,
+ create_ddg_dep_from_intra_loop_link): Call it.
+
+2012-01-02 Richard Guenther <rguenther@suse.de>
+
+ PR other/51679
+ * invoke.texi (fassociative-math): Remove spurious paranthesis.
+
+2012-01-01 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (process_command): Update copyright notice dates.
+ * gcov.c (print_version): Likewise.
+ * gcov-dump.c (print_version): Likewise.
+ * mips-tfile.c (main): Likewise.
+ * mips-tdump.c (main): Likewise.
+
+2012-01-01 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/51704
+ * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
+ a use is inside the basic block or loop before accessing its vect info.
+
+2012-01-01 Jan Hubicka <jhjh@suse.cz>
+
+ PR rtl-optimization/51069
+ * cfgloopmanip.c (remove_path): Removing path making irreducible
+ region unconditional makes BB part of the region.
+
+2012-01-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51683
+ * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
+ calls with side-effects.
+ * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
+
+Copyright (C) 2012 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.