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Diffstat (limited to 'gcc-4.3.1/gcc/ChangeLog-2007')
| -rw-r--r-- | gcc-4.3.1/gcc/ChangeLog-2007 | 34170 |
1 files changed, 34170 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ChangeLog-2007 b/gcc-4.3.1/gcc/ChangeLog-2007 new file mode 100644 index 000000000..27f28128b --- /dev/null +++ b/gcc-4.3.1/gcc/ChangeLog-2007 @@ -0,0 +1,34170 @@ +2007-12-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR driver/33772 + * collect2.c (SHLIB_SUFFIX): Define if not defined. + (write_c_file_stat): Use SHLIB_SUFFIX. + * som.h (SHLIB_SUFFIX): Define. + * doc/tm.texi (SHLIB_SUFFIX): Document. + +2007-12-29 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sse.md ("*divv4sf3"): Rename to "sse_divv4sf3". + ("*sse_rsqrtv4sf2"): Export. + ("*sse_sqrtv4sf2"): Ditto. + * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_RSQRTPS_NR, + IX86_BUILTIN_SQRTPS_NR]: New constants. + (struct builtin_description) [IX86_BUILTIN_DIVPS]: Use + CODE_FOR_sse_divv4sf3. + [IX86_BUILTIN_SQRTPS]: Use CODE_FOR_sse_sqrtv4sf2. + [IX86_BUILTIN_SQRTPS_NR]: New. + [IX86_BUILTIN_RSQRTPS_NR]: Ditto. + (ix86_init_mmx_sse_builtins): Initialize __builtin_ia32_rsqrtps_nr and + __builtin_ia32_sqrtps_nr. + (ix86_builtin_vectorized_function): Convert BUILT_IN_SQRTF to + IX86_BUILTIN_SQRTPS_NR. + (ix86_builtin_reciprocal): Convert IX86_BUILTIN_SQRTPS_NR to + IX86_BUILTIN_RSQRTPS_NR. + +2007-12-27 Brian Dessent <brian@dessent.net> + + * doc/invoke.texi (Optimize Options): Add missing opindex for + -fno-toplevel-reorder. + +2007-12-27 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/34591 + * tree-vect-trasnform.c (vect_estimate_min_profitable_iters): Skip + stmts (including reduction stmts) that are not live. + +2007-12-27 Jakub Jelinek <jakub@redhat.com> + + PR target/34281 + * config/arm/arm.c (arm_setup_incoming_varargs): If last named + argument needs double word alignment and cum->nregs is odd, account + for the inserted padding. + + PR debug/34535 + * tree-mudflap.c (mf_make_builtin): Make decl artificial + and don't emit debug info for it. + +2007-12-26 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Move AT90USB82 + and AT90USB162 devices from 'avr5' to 'avr35' architecture. + (ASM_SPEC): Add 'avr35' architecture. + * config/avr/avr.c (avr_mcu_types): Move AT90USB82 and AT90USB162 + devices from 'avr5' to 'avr35' architecture. + (avr_arch_types): Add "avr23" entries. + (avr_arch): Add 'ARCH_AVR35'. + * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add 'avr35'. + (MULTILIB_MATCHES): Move AT90USB82 and AT90USB162 devices from 'avr5' + to 'avr35' architecture. + +2007-12-22 David Daney <ddaney@avtrex.com> + + * doc/install.texi (disable-libgcj-bc): Document new option. + +2007-12-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * config/pa/pa.c (hppa_legitimize_address): Use INT14_OK_STRICT in + mask selection. + + PR target/34525 + * pa.c (legitimize_pic_address): Emit insn to load function label + forced to memory. + +2007-12-21 Andrew Pinski <pinskia@gmail.com> + Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/8835 + * config/mcore/mcore.c (mcore_function_value): Call promote_mode + instead of PROMOTE_MODE. + +2007-12-21 Sebastian Pop <sebastian.pop@amd.com> + + * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix typo. + +2007-12-21 Sebastian Pop <sebastian.pop@amd.com> + + * tree-data-ref.c (signed_type_for_types): New. + (affine_fn_op): Use signed_type_for_types and signed_type_for instead + of long_integer_type_node. + (analyze_ziv_subscript): Same. + (analyze_siv_subscript_cst_affine): Same. + (analyze_miv_subscript): Same. + (omega_setup_subscript): Same. + +2007-12-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_emit_loadgp): Replace gen_* calls with + separate gen_*_si and gen_*_di calls. Pass pic_offset_table_rtx + as the first argument. + * config/mips/mips.md (loadgp_newabi, loadgp_absolute) + (loadgp_rtp): Rename to... + (loadgp_newabi_<mode>, loadgp_absolute<mode>, loadgp_rtp<mode>): + ...these. Add modes to all operands. Add the target register + as an operand. Combine loadgp_rtp<mode> with its splitter. + +2007-12-20 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.md (fix_return_addr): Remove. + * config/xtensa/xtensa-protos.h (xtensa_initialize_trampoline): New. + (xtensa_trampoline_template): New. + * config/xtensa/xtensa.c (MIN_FRAME_SIZE): Moved here from xtensa.h. + (xtensa_return_addr): Expand to standard Xtensa insns instead of + fix_return_addr. Get high bits from a local label. + (xtensa_trampoline_template): New function with code moved from + TRAMPOLINE_TEMPLATE in xtensa.h. Use L32R instead of CALL0 except + when using CONST16 or absolute-mode literals. + (xtensa_initialize_trampoline): New function with code moved from + INITIALIZE_TRAMPOLINE in xtensa.h. Use different offsets depending + on which trampoline version is used. + * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Add comment. + * config/xtensa/xtensa.h (TARGET_ABSOLUTE_LITERALS): Define. + (MIN_FRAME_SIZE): Moved to xtensa.c. + (TRAMPOLINE_TEMPLATE): Use xtensa_trampoline_template. + (TRAMPOLINE_SIZE): Two versions of the trampoline have different sizes. + (INITIALIZE_TRAMPOLINE): Use xtensa_initialize_trampoline. + * config/xtensa/ieee754-df.S (XCHAL_NO_MUL): Define. + (__muldf3): Use CALL12 instead of CALL0 to invoke .Lmul_mulsi3 + helper when not using the CALL0 ABI. Change .Lmul_mulsi3 to match. + * config/xtensa/lib1funcs.asm (__umulsidi3): Likewise. + * config/xtensa/ieee754-sf.S (__mulsf3): Likewise. + +2007-12-20 Jakub Jelinek <jakub@redhat.com> + + PR c++/34459 + * tree-ssa-dse.c (dse_optimize_stmt): Don't eliminate store if + USE_STMT not only stores into the same object as STMT, but might + read it too. + +2007-12-19 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/34413 + * tree-data-ref.c (affine_fn_op, analyze_ziv_subscript, + analyze_siv_subscript_cst_affine, analyze_miv_subscript, + omega_setup_subscript): Use long_integer_type_node instead of + integer_type_node. + +2007-12-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/34525 + * pa.c (legitimize_pic_address): Force function labels into memory. + +2007-12-19 Zdenek Dvorak <ook@ucw.cz> + + * omp-low.c (build_omp_regions_1): Recognition of combined parallels + moved ... + (expand_omp): ... here. + +2007-12-19 Zdenek Dvorak <ook@ucw.cz> + + PR tree-optimization/34355 + * tree-parloops.c (take_address_of): Handle expresions + instead of just variables. + (eliminate_local_variables_1): Force whole invariant + address to ssa name. + +2007-12-19 Alexander Monakov <amonakov@ispras.ru> + Revital Eres <eres@il.ibm.com> + + * modulo-sched.c (generate_reg_moves): Insert the reg-moves + right before the notes which precedes the insn, if they exists. + (loop_canon_p): Add dump info. + (sms_schedule): Likewise. + +2007-12-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * tree.h (set_decl_incoming_rtl): Add a by_reference_p parameter. + * emit-rtl.c (set_decl_incoming_rtl): Likewise. Don't set the + rtl's register attributes when the parameter is true. + * function.c (assign_parms_unsplit_complex, assign_parms) + (expand_function_start): Update calls to set_decl_incoming_rtl. + +2007-12-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * rtl.def (SUBREG): Update comments. + * rtl.h (reg_attrs): Be explicit about the type of offset used. + (set_reg_attrs_from_mem): Rename to... + (set_reg_attrs_from_value): ...this. + (adjust_reg_mode, byte_lowpart_offset): Declare. + * emit-rtl.c (byte_lowpart_offset): New function. + (update_reg_offset): Remove special offset handling for big-endian + targets. + (gen_rtx_REG_offset, gen_reg_rtx_offset): Explicitly say that the + offset parameter is added to REG_OFFSET. + (adjust_reg_mode): New function. + (set_reg_attrs_for_mem): Rename to... + (set_reg_attrs_for_value): ...this and generalize to all values. + If the register is a lowpart of the value, adjust the offset + accordingly. + (set_reg_attrs_for_parm): Update after the above renaming. + (set_reg_attrs_for_decl_rtl): New function, split out from + set_decl_incoming_rtl. Set the offset of plain REGs to the + offset of the REG's mode from the decl's. Assert that all + subregs are lowparts and handle their inner registers in the + same way as plain REGs. + (set_decl_rtl, set_incoming_decl_rtl): Use reg_attrs_for_decl_rtl. + (subreg_lowpart_offset): Explicitly say that the returned offset + is a SUBREG_BYTE. + * combine.c (do_SUBST_MODE, try_combine, undo_all): Use adjust_reg_mode + instead of PUT_MODE. + * final.c (alter_subreg): Fix/update argument to gen_rtx_REG_offset. + * config/ia64/ia64.c (ia64_expand_load_address): Likewise. + * regclass.c (reg_scan_mark_refs): Use set_reg_attrs_from_value. + * reload.c (find_reloads_subreg_address): Call set_mem_offset + when offseting a MEM. + * var-tracking.c (offset_valid_for_tracked_p): Delete. + (mode_for_reg_attrs): Replace with... + (track_loc_p): ...this new function. Return the mode and offset + to the caller, checking that the latter is valid. If the rtx is + a paradoxical lowpart of the decl, use the decl's mode instead. + Do the same when storing to a register that contains the entire decl. + (var_lowpart): Use byte_lowpart_offset rather than + subreg_lowpart_offset when adjusting the offset attribute. + (count_uses, add_uses, add_stores): Use track_reg_p instead of + REG_EXPR, MEM_EXPR, REG_OFFSET, INT_MEM_OFFSET, track_expr_p, + offset_valid_for_tracked_p and mode_for_reg_attrs. Generate + lowparts for MEMs as well as REGs. + (vt_add_function_parameters): When obtaining the information from + the decl_rtl, adjust the offset to match incoming. Use track_loc_p + and var_lowpart. + +2007-12-18 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/34123 + * lambda-code.c (can_duplicate_iv): New. + (cannot_convert_modify_to_perfect_nest): New. + (cannot_convert_bb_to_perfect_nest): New. + (can_convert_to_perfect_nest): Split up. + +2007-12-18 David Daney <ddaney@avtrex.com> + + * config/mips/mips.md (clear_hazard): Use PRINT_OPERAND punctuation + instead of .set push and .set pop. + +2007-12-18 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/33474 + * config/bfin/bfin.c (bfin_adjust_cost): Dig into PARALLELs to find + the SET. + +2007-12-18 Razya Ladelsky <razya@il.ibm.com> + + * tree-parloops.c (reduiction_info): Change documentation of + reduction_initial field. + (initialize_reductions): Remove creation of reduction_initial variable. + (create_loads_for_reductions): don't join reduction_initial to + the loaded value. + +2007-12-18 Kaz Kylheku <kaz@zeugmasystems.com> + + PR rtl-optimization/34456 + * resource.c (mark_set_resources): Use regs_invalidated_by_call + rather than call_used_regs and global_regs. + +2007-12-18 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/34490 + * simplify-rtx.c (simplify_const_relational_operation): If !sign, + don't reduce mmin/mmax using num_sign_bit_copies. + +2007-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * doc/install.texi: Change recommended MPFR from 2.2.1 -> 2.3.0. + +2007-12-17 Andreas Schwab <schwab@suse.de> + + * doc/invoke.texi (Warning Options): Use @itemx. + +2007-12-17 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vectorizer.h (verbosity_levels): Add new verbosity level + REPORT_COST. + * tree-vect-transform.c (vect_estimate_min_profitable_iters): Change + verbosity level to REPORT_COST. + (vect_model_reduction_cost): Likewise. + (vect_model_induction_cost): Likewise. + (vect_model_simple_cost): likewise. + (vect_model_store_cost): likewise. + (vect_model_load_cost): likewise. + (conservative_cost_threshold): Likewise. Remove print. + +2007-12-17 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * doc/tm.texi (TARGET_SECONDARY_RELOAD): Fix typos. + +2007-12-17 Jakub Jelinek <jakub@redhat.com> + + PR c/34506 + * c-parser.c (c_parser_omp_all_clauses): Accept optional comma + in between clauses. + +2007-12-17 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/34445 + * tree-vect-trasnform.c (vect_estimate_min_profitable_iters): Skip + stmts (including live stmts) that are not relevant. + +2007-12-17 Jack Howarth <howarth@bromo.med.uc.edu> + + PR target/34025 + * config/i386/t-crtpc: Add $(MULTILIB_CFLAGS). + * config/i386/t-crtfm: Likewise. + +2007-12-17 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (WIDEST_HARDWARE_FP_SIZE): Define. + +2007-12-16 Uros Bizjak <ubizjak@gmail.com> + + * tree-vect-transform.c (conservative_cost_threshold): Add missing + space to "not vectorized" message. + +2007-12-16 Richard Sandiford <rsandifo@nildram.co.uk> + + PR rtl-optimization/34415 + * df.h (DF_LR_IN, DF_LR_OUT): Update comments. + * resource.c (mark_target_live_regs): Use DF_LR_IN rather than + df_get_live_in. Don't handle pseudos. + +2007-12-16 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/34003 + * c-decl.c (merge_decls): Copy RTL from olddecl to newdecl. + * config/pa/pa.c (pa_encode_section_info): If !first, preserve + SYMBOL_FLAG_REFERENCED flag. + +2007-12-15 Alexandre Oliva <aoliva@redhat.com> + + * tree.c (type_hash_add): Fix whitespace. + +2007-12-15 Hans-Peter Nilsson <hp@axis.com> + + Add CRIS v32 support. Fix -mcc-init. + * config.gcc: Make crisv32-* have cpu_type cris. Handle + crisv32-*-elf and crisv32-*-none like cris-*-elf and cris-*-none + but without multilibs and with target_cpu_default=32. + (crisv32-*-linux*): Handle as cris-*-linux*. Set + target_cpu_default to 32 and 10 accordingly. + * config/cris/cris.c (ASSERT_PLT_UNSPEC): Remove unused macro. + (cris_movem_load_rest_p, cris_store_multiple_op_p): Remove FIXME. + Change regno_dir and regno only if !TARGET_V32. + (cris_conditional_register_usage): If TARGET_V32, set + reg_alloc_order as per REG_ALLOC_ORDER_V32 and make + CRIS_ACR_REGNUM non-fixed. + (cris_print_base): Add gcc_assert for post_inc on CRIS_ACR_REGNUM. + (cris_print_operand) <case 'Z', case 'u'>: New cases. + <case REG of case 'H'>: Allow for CRIS_SRP_REGNUM. + (cris_reload_address_legitimized): Always return false for TARGET_V32. + (cris_register_move_cost): New function, guts from + REGISTER_MOVE_COST adjusted for CRIS v32. + (cris_normal_notice_update_cc): New function split out from... + (cris_notice_update_cc): Set cc_status.flags CC_REVERSED for + TARGET_CCINIT. Call cris_normal_notice_update_cc for CC_REV, + CC_NOOV32 and CC_NORMAL, but set cc_status.flags CC_NO_OVERFLOW + for CC_NOOV32 and TARGET_V32. + (cris_simple_epilogue): Always return false for TARGET_V32 if + cris_return_address_on_stack yields true. + (cris_cc0_user_requires_cmp): New function. + (cris_valid_pic_const): Add argument ANY_OPERAND. All callers + changed. Handle CRIS_UNSPEC_PLT_PCREL and CRIS_UNSPEC_PCREL. + (cris_asm_output_case_end): New function, guts from + ASM_OUTPUT_CASE_END adjusted for CRIS v32. + (cris_override_options): Adjust for CRIS v32. Mask out + TARGET_SIDE_EFFECT_PREFIXES and TARGET_MUL_BUG if v32. + (cris_asm_output_mi_thunk, cris_expand_epilogue) + (cris_gen_movem_load, cris_emit_movem_store) + (cris_expand_pic_call_address, cris_asm_output_symbol_ref) + (cris_asm_output_label_ref, cris_output_addr_const_extra): Adjust + for CRIS v32. + (cris_split_movdx): Copy re-used MEM. + * config/cris/t-elfmulti: Add multilib v32 for -march=v32. + * config/cris/predicates.md + ("cris_general_operand_or_pic_source"): New predicate. + ("cris_general_operand_or_plt_symbol"): Replace by... + ("cris_nonmemory_operand_or_callable_symbol"): New predicate. + * config/cris/linux.h: Sanity-check TARGET_CPU_DEFAULT for + presence and contents. + (CRIS_SUBTARGET_DEFAULT_ARCH): New macro, MASK_AVOID_GOTPLT for + v32, 0 otherwise. + (CRIS_CPP_SUBTARGET_SPEC, CRIS_CC1_SUBTARGET_SPEC, + CRIS_ASM_SUBTARGET_SPEC): Adjust for different TARGET_CPU_DEFAULT. + (CRIS_SUBTARGET_DEFAULT): Add CRIS_SUBTARGET_DEFAULT_ARCH. + * config/cris/cris.h: Sanity-check TARGET_CPU_DEFAULT for contents. + (CRIS_DEFAULT_TUNE, CRIS_ARCH_CPP_DEFAULT) + (CRIS_DEFAULT_ASM_ARCH_OPTION): New macros. + (CRIS_CC1_SUBTARGET_SPEC): Change default tuning to use + CRIS_DEFAULT_TUNE. + (CRIS_CPP_SUBTARGET_SPEC): Ditto. Add CRIS_ARCH_CPP_DEFAULT. + (ASM_SPEC): Add sanity-check erroring out when both -march= and + -mcpu= are specified. Pass on either as --march=v32. + (CRIS_ASM_SUBTARGET_SPEC): When neither -march= or -mcpu= are + specified, pass on CRIS_DEFAULT_ASM_ARCH_OPTION. + (CRIS_CPU_V32): New macro. + [!TARGET_CPU_DEFAULT]: Default-define as CRIS_CPU_BASE. + [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 32]: Move default + TARGET_DEFAULT definition after new TARGET_CPU_DEFAULT definition. + Define v32-adjusted TARGET_DEFAULT. + (CRIS_DEFAULT_CPU_VERSION): Change to TARGET_CPU_DEFAULT from + CRIS_CPU_BASE. + (TARGET_V32): New macro. + (REG_ALLOC_ORDER_V32): New macro. + (HARD_REGNO_MODE_OK): Do not allow larger-than-register-size modes + into CRIS_ACR_REGNUM. + (enum reg_class): New classes ACR_REGS, SPEC_ACR_REGS, GENNONACR_REGS + and SPEC_GENNONACR_REGS. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Adjust for new classes. + (REGNO_REG_CLASS): Give ACR_REGS for CRIS_ACR_REGNUM. + (MODE_CODE_BASE_REG_CLASS): Define, give for OCODE POST_INC + GENNONACR_REGS, BASE_REG_CLASS otherwise. + (REG_CLASS_FROM_LETTER): 'a' is for ACR_REGS. + (REGNO_MODE_CODE_OK_FOR_BASE_P): Define, refusing OCODE POST_INC + for CRIS_ACR_REGNUM. + (PREFERRED_RELOAD_CLASS): Keep ACR_REGS as preferred. + (HARD_REGNO_RENAME_OK): Refuse CRIS_ACR_REGNUM as TO. + (EXTRA_CONSTRAINT): New constraint 'U'. + (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE) + (ASM_OUTPUT_ADDR_DIFF_ELT): Adjust for CRIS v32. + (BASE_OR_AUTOINCR_P): Refuse POST_INC for CRIS_ACR_REGNUM. + (SIMPLE_ADDRESS_P): Remove. + (GO_IF_LEGITIMATE_ADDRESS): Use BASE_OR_AUTOINCR_P, not redundant + SIMPLE_ADDRESS_P. Make one chained if-else, finishing as + non-match after BASE_OR_AUTOINCR_P for TARGET_V32. + (REGISTER_MOVE_COST): Just call the new function + cris_register_move_cost. + (enum cris_pic_symbol_type): Rename cris_gotrel_symbol to + cris_rel_symbol. All users changed. + (REGISTER_NAMES): Replace "pc" with "acr". + (ADDITIONAL_REGISTER_NAMES): Add "pc" for 15. + (ASM_OUTPUT_REG_PUSH): Change to v32-compatible sequence. + (ASM_OUTPUT_REG_POP): Change to v32-compatible syntax. + (ASM_OUTPUT_CASE_END): Just call the new function + cris_asm_output_case_end. + * gcc/config/cris/cris.md: Group related constants together, with + comments local. + (CRIS_UNSPEC_PLT_GOTREL, CRIS_UNSPEC_PLT_PCREL, CRIS_UNSPEC_PCREL) + (CRIS_UNSPEC_CASESI): New constants. + (CRIS_UNSPEC_PLT): Remove constant. + (CRIS_ACR_REGNUM): New constant. + ("slottable"): New attr alternatives "has_return_slot" and + "has_call_slot". + ("cc"): New attr alternatives "noov32" and "rev". + ((eq_attr "slottable" "has_call_slot")) + ((eq_attr "slottable" "has_return_slot")): New define_delays. + ("movdi", "movsi"): Adjust operands for CRIS v32. + ("tstdi", "cmpdi", "adddi3", "subdi3", "uminsi3") + ("indirect_jump"): Ditto. Make define_expand. + ("*tstdi_non_v32", "*tstdi_v32", "*tst<mode>_cmp") + ("*tst<mode>_non_cmp", "*cmpdi_non_v32", "*cmpdi_v32") + ("*movdi_v32", "*adddi3_non_v32", "*adddi3_v32") + ("*addsi3_non_v32", "*addsi3_v32", "*addhi3_non_v32") + ("*addhi3_v32", "*addqi3_non_v32", "*addqi3_v32") + ("*subdi3_non_v32", "*subdi3_v32", "*subsi3_non_v32") + ("*subsi3_v32", "*sub<mode>3_nonv32", "*sub<mode>3_v32") + ("*andqi3_non_v32", "*andqi3_v32", "*iorsi3_non_v32") + ("*iorsi3_v32", "*iorhi3_non_v32", "*iorhi3_v32") + ("*iorqi3_non_v32", "*iorqi3_v32", "*uminsi3_non_v32") + ("*uminsi3_v32", "*indirect_jump_non_v32", "*indirect_jump_v32") + ("*expanded_call_v32", "*expanded_call_value_v32"): New patterns, + for the corresponding standard name. + ("tst<mode>"): Limit to BW and make define_expand. + ("tstsi"): Make separate insn, adjusting for CRIS v32. + ("*cmp_swapext<mode>"): Adjust for v32. Specify "rev" for attr "cc". + ("cmpsi", "cmp<mode>"): Remove special cases for zero. Specify + attr "cc". + ("*btst"): Don't match for TARGET_CCINIT. Replace test of + register with compatible "cmpq 0". Specify attr "cc". + ("*movdi_insn_non_v32"): New pattern, replacing "*movdi_insn" and + define_split. + (define_split for DI move): Match CRIS v32 only. + ("*movsi_got_load", "*movsi_internal", "*addi"): Adjust for CRIS v32. + ("load_multiple", "store_multiple", "*addsbw_v32", "*addubw_v32") + ("*adds<mode>_v32", "*addu<mode>_v32", "*bound<mode>_v32") + ("*casesi_jump_v32", "*expanded_andsi_v32", "*expanded_andhi_v32") + ("*extop<mode>si_v32", "*extopqihi_v32", "*andhi_lowpart_v32") + ("*andqi_lowpart_v32", "cris_casesi_v32"): New patterns. + ("add<mode>3"): Make addsi3, addhi3 and addqi3 define_expand. + ("sub<mode>3"): Ditto subsi3, subhi3 and subqi3. + ("ior<mode>3"): Ditto iorsi3, iorhi3 and iorqi3. + ("*extopqihi_non_v32"): Replace "*extopqihi". + ("*extop<mode>si_non_v32"): Replace "*extop<mode>si". + ("*addxqihi_swap_non_v32"): Rename from "*extopqihi_swap", make + non-v32 only. + ("*extop<mode>si_swap_non_v32"): Ditto "*extop<mode>si_swap". + ("*expanded_andsi_non_v32"): Ditto "*expanded_andsi". + ("*expanded_andhi_non_v32"): Ditto "*expanded_andhi". + ("*andhi_lowpart_non_v32"): Ditto "*andhi_lowpart". + ("*andqi_lowpart_non_v32"): Ditto "*andqi_lowpart". + ("*expanded_call_non_v32"): Ditto "*expanded_call". Change from + "cris_general_operand_or_plt_symbol" to "general_operand". + ("*expanded_call_value_non_v32") Ditto "*expanded_call_value". + ("*casesi_adds_w", "mstep_shift", "mstep_mul") + ("*expanded_call_side", "*expanded_call_value_side") + (op-extend-split, op-extend-split-rx=rz, op-extend-split-swapped) + (op-extend-split-swapped-rx=rz, op-extend, op-split-rx=rz) + (op-split-swapped, op-split-swapped-rx=rz): Make non-v32 only. + ("dstep_mul", "xorsi3", "one_cmplsi2", "<shlr>si3") + ("*expanded_<shlr><mode>", "*<shlr><mode>_lowpart", "ashl<mode>3") + ("*ashl<mode>_lowpart", "abssi2", "clzsi2", "bswapsi2") + ("cris_swap_bits"): Specify "noov32" for attr "cc". + ("<su>mulsi3_highpart"): Ditto. Correct operand 0 to register_operand. + ("andqi3"): Make define_expand. + ("*return_expanded"): For attr "slottable", change from "has_slot" + to "has_return_slot". + ("cris_casesi_non_v32"): New pattern, old contents of "casesi". + ("casesi"): Divert into "cris_casesi_v32" and "cris_casesi_non_v32". + (moversideqi, movemsideqi, mover2side): Require + TARGET_SIDE_EFFECT_PREFIXES. + (gotplt-to-plt, gotplt-to-plt-side): Change from CRIS_UNSPEC_PLT + to CRIS_UNSPEC_PLT_GOTREL. + * config/cris/cris-protos.h (cris_register_move_cost) + (cris_cc0_user_requires_cmp, cris_asm_output_case_end): Declare. + +2007-12-15 Alexandre Oliva <aoliva@redhat.com> + + PR debug/7081 + * dwarf2out.c (dwarf_tag_name): Synchronize with dwarf2.h. + (is_type_die): Cover interface types. + (class_or_namespace_scope_p): Cover interface and class types. + (record_type_tag): New. + (gen_inlined_structure_type_die): Use it. + (gen_struct_or_union_type_die): Likewise. + (prune_unused_types_walk): Cover interface types. + * langhooks.h (classify_record): New enum. + (classify_record): New member in struct langhooks_for_types. + * langhooks-def.h (LANG_HOOKS_CLASSIFY_RECORD): New. + (LANGHOOKS_FOR_TYPES_INITIALIZER): Adjust. + +2007-12-15 Alexandre Oliva <aoliva@redhat.com> + + * dwarf2out.c (reference_to_unused): Don't emit strings in + initializers just because of debug information. + * tree.h (TREE_ASM_WRITTEN): Document use for STRING_CSTs. + +2007-12-15 Sebastian Pop <sebastian.pop@amd.com> + + * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Replace + print_loop_ir with print_loops. + * tree-flow.h (dot_cfg, debug_loops, debug_loop, debug_loop_num, + print_loops, print_loops_bb): Declare. + * tree-cfg.c (print_loops_bb): New. + (print_loop): Print header, latch, bounds, estimation of iterations. + (print_loop_and_siblings): New. + (print_loop_ir): Renamed print_loops. + (debug_loop_ir): Renamed debug_loops. + (debug_loop, debug_loop_num): New. + +2007-12-15 Bernhard Fischer <aldot@gcc.gnu.org> + + * tree-flow-inline.h.c (next_readonly_imm_use): Fix typo in comment. + +2007-12-15 Bernhard Fischer <aldot@gcc.gnu.org> + + * toplev.c (process_options): Fix typo in warning. + +2007-12-14 Jakub Jelinek <jakub@redhat.com> + + PR target/29978 + * config/i386/i386.c (ix86_expand_branch): Optimize LE/LEU/GT/GTU + DImode comparisons against constant with all 1's in the lower word. + +2007-12-14 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sse.md (sse4_2_pcmpestr): Use reg_not_xmm0_operand + constraint for operand 2. Use nonimm_not_xmm0_operand constraint + for operand 4. Update arguments in the call to + gen_sse4_2_pcmpestr_cconly. + (sse_4_2_pcmpestr_cconly): Renumber insn operands and update insn + template accordingly. + (sse4_2_pcmpistr): Use reg_not_xmm0_operand constraint for operand2. + Use nonimm_not_xmm0_operand constraint for operand 3. Update + arguments in the call to gen_sse4_2_pcmpistr_cconly. + (sse_4_2_pcmpistr_cconly): Renumber insn operands and update insn + template accordingly. + +2007-12-14 Richard Guenther <rguenther@suse.de> + + PR middle-end/34462 + * tree-ssa-operands.h (create_ssa_artificial_load_stmt): Add + parameter to say whether to unlink immediate uses. + * tree-ssa-operands.c (create_ssa_artificial_load_stmt): Do not + mark the artificial stmt as modified. Unlink immediate uses + only if requested. + * tree-ssa-dom.c (record_equivalences_from_stmt): Update caller. + * tree-ssa-pre.c (insert_fake_stores): Likewise. + +2007-12-13 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR middle-end/33088 + * gimplify.c (gimplify_modify_expr_complex_part): Add note to comment. + * tree-complex.c (init_dont_simulate_again): Return true if there are + uninitialized loads generated by gimplify_modify_expr_complex_part. + * tree-gimple.c (is_gimple_reg_type): Return false for complex types + if not optimizing. + * tree-ssa.c (ssa_undefined_value_p): New predicate extracted from... + (warn_uninit): ...here. Use ssa_undefined_value_p. + * tree-ssa-pre.c (is_undefined_value): Delete. + (phi_translate_1): Use ssa_undefined_value_p. + (add_to_exp_gen): Likewise. + (make_values_for_stmt): Likewise. + * tree-flow.h (ssa_undefined_value_p): Declare. + +2007-12-13 Andrew Pinski <pinskia@gmail.com> + David Daney <ddaney@avtrex.com> + + PR bootstrap/34144 + * system.h: Make -Wuninitialized non-fatal if ASSERT_CHECKING + is disabled. + +2007-12-13 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/32636 + * df-scan.c (df_get_entry_block_def_set): Set struct_value_rtx + regno in entry_block_defs even if HAVE_prologue && epilogue_completed. + +2007-12-13 Uros Bizjak <ubizjak@gmail.com> + Richard Guenther <rguenther@suse.de> + + PR target/34435 + * config/i386/emmintrin.h (_mm_shuffle_pd, _mm_extract_epi16, + _mm_insert_epi16, _mm_shufflehi_epi16, _mm_shufflelo_epi16, + _mm_shuffle_epi32): Cast non-constant input values to either __m64, + __m128, __m128i or __m128d in a macro version of the intrinsic. + Cast constant input values to int. + * config/i386/ammintrin.h (_mm_extracti_si64, _mm_inserti_si64): Ditto. + * config/i386/bmmintrin.h (_mm_roti_epi8, _mm_roti_epi16, + _mm_roti_epi32, _mm_roti_epi64): Ditto. + * config/i386/smmintrin.h (_mm_blend_epi16, _mm_blend_ps, _mm_blend_pd, + _mm_dp_ps, _mm_dp_pd, _mm_insert_ps, _mm_extract_ps, _mm_insert_epi8, + _mm_insert_epi32, _mm_insert_epi64, _mm_extract_epi8, mm_extract_epi32, + _mm_extract_epi64, _mm_mpsadbw_epu8, _mm_cmpistrm, _mm_cmpistri, + _mm_cmpestrm, _mm_cmpestri, _mm_cmpistra, _mm_cmpistrc, _mm_cmpistro, + _mm_cmpistrs, _mm_cmpistrz, _mm_cmpestra, _mm_cmpestrc, _mm_cmpestro, + _mm_cmpestrs, _mm_cmpestrz): Ditto. + * config/i386/tmmintrin.h (_mm_alignr_epi8, _mm_alignr_pi8): Ditto. + * config/i386/xmmintrin.h (_mm_shuffle_ps, _mm_extract_pi16, _m_pextrw, + _mm_insert_pi16, _m_pinsrw, _mm_shuffle_pi16, _m_pshufw): Ditto. + * config/i386/mmintrin-common.h (_mm_round_pd, _mm_round_sd, + _mm_round_ps, _mm_round_ss): Ditto. + +2007-12-13 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34450 + * params.def (PARAM_SCCVN_MAX_SCC_SIZE): New param. + * invoke.texi (sccvn-max-scc-size): Document. + * Makefile.in (tree-ssa-sccvn.o): Add $(PARAMS_H) dependency. + * tree-ssa-sccvn.h (run_scc_vn): Return true on success, false + on error. + * tree-ssa-sccvn.c (params.h): Include. + (DFS): Return true if all went well, return false as soon as + a SCC exceeds the size of PARAM_SCCVN_MAX_SCC_SIZE. + (run_scc_vn): Return true if all went well, return false if + we aborted during DFS. + * tree-ssa-pre.c (execute_pre): Check if SCCVN finished + successfully, otherwise bail out. + +2007-12-13 Olga Golovanevsky <olga@il.ibm.com> + + * ipa-struct-reorg.c (is_candidate): Print information to dump + file when the type is initialized. + (get_stmt_accesses): Likewise when a structure has bitfields + or field access is too complicate. + (safe_cond_expr_check): Likewise for unsafe condition expressions. + (exclude_cold_structs): Likewise for cold structures. + (collect_structures): Suppress redundant print when there are + no structures to transform. + (do_reorg): Print to dump file a number of structures that + will be transformed. + (dump_new_types): Print a number of new types to replace + an original structure type. + +2007-12-13 Olga Golovanevsky <olga@il.ibm.com> + + * doc/invoke.texi (Optimiza Options): Document new -fipa-struct-reorg + option and struct-reorg-cold-struct-ratio parameter. + +2007-12-13 Torbjorn Granlund <tege@swox.com> + + * config/i386/i386.c (ix86_rtx_costs) [MULT]: Check op0 for + ZERO_EXTEND when computing costs for widening multiplication. + +2007-12-13 Richard Earnshaw <rearnsha@arm.com> + + PR target/30192 + * config/arm/ieee754-df.S (floatundidf): Fix for wrong sp value on + exit when using hard FPA. + * config/arm/ieee754-df.S (floatdidf): Likewise. + +2007-12-12 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/30589 + * doc/install.texi: Document that for MinGW only runtime 3.12 and + later is supported. + +2007-12-12 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (is_mem_ref): Ignore STACK_TIE. + +2007-12-12 Aldy Hernandez <aldyh@redhat.com> + + PR tree-optimization/32901 + * gimplify.c (gimplify_modify_expr_rhs): Handle the case when we + are assigning from a constant constructor. + Fix wrapping in function comment. + +2007-12-12 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (s390_O_constraint_str): Limit the range + for 'On' to -4G+1..-1. + * config/s390/constraints.md: Adjust comment accordingly. + +2007-12-11 Nathan Sidwell <nathan@codesourcery.com> + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Use frame_reg_rtx + for SPE saves. + +2007-12-11 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/cygming.h (DWARF2_UNWIND_INFO): Handle 64-bit + target same as 32-bit. + +2007-12-10 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/34371 + * tree-vectorizer.h (struct _loop_vec_info): Add num_iters_unchanged + field. + (LOOP_VINFO_NITERS_UNCHANGED): Define to num_iters_unchanged field. + * tree-vectorizer.c (set_prologue_iterations, + slpeel_tree_peel_loop_to_edge): Call unshare_expr on + LOOP_VINFO_NITERS_UNCHANGED before using it. + +2007-12-10 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR target/34403 + * config/i386/i386.c (ix86_expand_movmem): Punt if the count is large. + (ix86_expand_setmem): Likewise. + +2007-12-10 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR rtl-optimization/34302 + * auto-inc-dec.c (attempt_change): Change place where move is + inserted. + +2007-12-10 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (gen_array_type_die, gen_descr_array_type_die): For + Fortran multi-dimensional arrays use DW_AT_ordering + DW_ORD_col_major. + +2007-12-10 Paolo Bonzini <bonzini@gnu.org> + + PR target/32086 + * config/i386/i386.c (override_options): Enable -fvect-cost-model. + +2007-12-10 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_function_regparm): Do not check global_regs + array, registers that are members of global_regs are also members of + fixed_regs array. Use REGPARM_MAX to check that no regparm hard + register is taken by a fixed register variable. Check up to and + including DI_REG when adjusting regparm value due to fixed regs usage. + (rep_prefix_usable): Check fixed_regs array, not global_regs array for + available hard registers. + (ix86_expand_strlen): Ditto. + * config/i386/i386.md (strmov): Ditto. + (cmpstrnsi): Ditto. + +2007-12-10 Kaz Kojima <kkojima@gcc.gnu.org> + + * genopinit.c: Include tm_p.h in generated file. + + * config/arm/neon.md (vec_set<mode>_internal): Use INTVAL + to extract the integer from operands[2]. + (vec_setv2di_internal): Likewise. + + * config/arm/arm.c (arm_size_return_regs): Make return type unsigned. + (arm_init_neon_builtins): Move code after declarations. + +2007-12-10 Hans-Peter Nilsson <hp@axis.com> + + * reload.c (find_reloads_address_1): To properly mark as an + autoincdec, pass X for non-NULL OUT in call to push_reload for + autoincdec which can't be trivially used as an address. + +2007-12-10 Pranav Bhandarkar <pranav.bhandarkar@celunite.com> + Hans-Peter Nilsson <hp@axis.com> + + * caller-save.c (insert_one_insn): If inserting before a call_insn + then the registers containing the arguments of the call are + live_throughout in the new insn. + +2007-12-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR middle-end/32889 + PR target/34091 + * pa.md: Consolidate HImode and QImode move patterns into one pattern + each, eliminating floating-point alternatives. + * pa-protos.h (pa_cannot_change_mode_class, pa_modes_tieable_p): + Declare functions. + * pa-64.h (SECONDARY_MEMORY_NEEDED): Define here. + * pa.c (pa_secondary_reload): Use an intermediate general register + for copies to/from floating-point register classes. Simplify code + SHIFT_REGS class. Provide additional comments. + (pa_cannot_change_mode_class, pa_modes_tieable_p): New functions. + * pa.h (MODES_TIEABLE_P): Use pa_modes_tieable_p. + (SECONDARY_MEMORY_NEEDED): Delete define. + (INT14_OK_STRICT): Define. + (MODE_OK_FOR_SCALED_INDEXING_P): Allow SFmode and DFmode when using + soft float. + (MODE_OK_FOR_UNSCALED_INDEXING_P): Likewise. + (GO_IF_LEGITIMATE_ADDRESS): Use INT14_OK_STRICT in REG+D case for + SFmode and DFmode. + (LEGITIMIZE_RELOAD_ADDRESS): Use INT14_OK_STRICT in mask selection. + Align DImode offsets when generating 64-bit code. + * pa32-regs.h (VALID_FP_MODE_P): Remove QImode and HImode. + (CANNOT_CHANGE_MODE_CLASS): Define. + * pa64-regs.h (VALID_FP_MODE_P): Remove QImode and HImode. + (CANNOT_CHANGE_MODE_CLASS): Define using pa_cannot_change_mode_class. + +2007-12-09 Jakub Jelinek <jakub@redhat.com> + + PR fortran/22244 + * langhooks-def.h (LANG_HOOKS_GET_ARRAY_DESCR_INFO): Define. + (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it. + * langhooks.h (struct array_descr_info): Forward declaration. + (struct lang_hooks_for_types): Add get_array_descr_info field. + * dwarf2.h (DW_AT_bit_stride, DW_AT_byte_stride): New. + (DW_AT_stride_size, DW_AT_stride): Keep around for Dwarf2 + compatibility. + * dwarf2out.h (struct array_descr_info): New type. + * dwarf2out.c (dwarf_attr_name): Rename DW_AT_stride to + DW_AT_byte_stride and DW_AT_stride_size to DW_AT_bit_size. + (descr_info_loc, add_descr_info_field, gen_descr_array_type_die): + New functions. + (gen_type_die_with_usage): Call lang_hooks.types.get_array_descr_info + and gen_descr_array_type_die. + +2007-12-08 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34391 + * tree-vect-transform.c (vect_setup_realignment): Mark new + symbols for renaming. + +2007-12-07 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. + (ASM_OUTPUT_DWARF_PCREL): Define. + +2007-12-07 Richard Guenther <rguenther@suse.de> + + PR middle-end/34382 + * opts.c (common_handle_option): Handle OPT_fforce_addr. + +2007-12-07 Aldy Hernandez <aldyh@redhat.com> + + * m32c.h (LEGITIMIZE_ADDRESS): Use WIN instead of win. + (LEGITIMIZE_RELOAD_ADDRESS): Same. + +2007-12-07 Samuel Tardieu <sam@rfc1149.net> + + PR ada/29157 + * doc/install.texi: Explain how to check for a clean environment when + building GNAT. + +2007-12-07 Richard Guenther <rguenther@suse.de> + + * tree-profile.c (gcov_type_tmp_var): New global variable. + (tree_gen_edge_profiler): Use a single shared variable decl per + function for edge counter incrementing. + (tree_profiling): Re-set the shared variable. + +2007-12-06 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_va_start): Add prototype. + +2007-12-06 Tom Tromey <tromey@redhat.com> + + PR c/29172 + * c-opts.c (c_common_parse_file): Call cpp_clear_file_cache. + +2007-12-06 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_function_ok_for_sibcall): Check + targetm.binds_local_p as well as DECL_EXTERNAL. + +2007-12-06 Harsha Jagasia <harsha.jagasia@amd.com> + + * tree-vectorizer.c (slpeel_add_loop_guard): Gimplify the condition. + (set_prologue_iterations): New. Set the prologue iterations to total + number of scalar iterations if the cost model check indicates that + scalar code should be generated. + (slpeel_tree_peel_loop_to_edge): Add a new parameter and code for + generating the cost condition for epilog. Call + set_prologue_iterations to generate cost condition for prolog. + (new_loop_vec_info): Initialize LOOP_VINFO_NITERS_UNCHANGED. + * tree-vectorizer.h (LOOP_VINFO_NITERS_UNCHANGED): New. + (slpeel_tree_peel_loop_to_edge): Update declaration. + (set_prologue_iterations): New declaration. + * tree-vect-analyze.c (vect_analyze_loop_form): Update + LOOP_VINFO_NITERS_UNCHANGED. + * tree-vect-transform.c + (vect_estimate_min_profitable_iters): Add new parameter and + code to check if run time cost model test is needed. + Remove code that adds builtin vectorization cost to scalar + outside cost for the run time cost model test. If run time + cost model test is needed add the appropriate guard cost to + the scalar outside cost. The guard cost depends on whether + the guard is generated at versioning or at prolog generation + or at epilog generation. Change cost model equation to include + scalar outside cost. + (conservative_cost_threshold): New. Return the less conservative + profitability threshold between the cost model threshold and the + user defined vectorization threshold. + (vect_do_peeling_for_loop_bound): Call conservative_cost_threshold. + (vect_do_peeling_for_alignment): Same. + (vect_loop_versioning): Same. + (vect_create_cond_for_align_checks): ANDs the cost model condition + with the alignment condition. + (vect_transform_loop): Call loop versioning only when there is a + misalignment or an aliasing problem. + +2007-12-06 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/20983 + * tree-ssa-ccp.c (optimize_stdarg_builtin): New function. + (execute_fold_all_builtins): Call it for BUILT_IN_VA_START, + BUILT_IN_VA_COPY and BUILT_IN_VA_END. + + * target.h (struct ggc_target): Add expand_builtin_va_start hook. + * target-def.h (TARGET_EXPAND_BUILTIN_VA_START): Define. + (TARGET_INITIALIZER): Add it. + * builtins.c (expand_builtin_va_start): Use + targetm.expand_builtin_va_start hook instead of + EXPAND_BUILTIN_VA_START macro. + * alpha/alpha.c (alpha_va_start): Made static. + (override_options): Clear targetm.expand_builtin_va_start if + TARGET_UNICOSMK. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * alpha/unicosmk.h (EXPAND_BUILTIN_VA_START): Remove. + * alpha/alpha.h (EXPAND_BUILTIN_VA_START): Remove. + * alpha/alpha-protos.h (alpha_va_start): Remove prototype. + * xtensa/xtensa.h (EXPAND_BUILTIN_VA_START): Remove. + * xtensa/xtensa.c (TARGET_EXPAND_BUILTIN_VA_START): Define. + (xtensa_va_start): Made static. + * xtensa/xtensa-protos.h (xtensa_va_start): Remove prototype. + * pa/pa-protos.h (hppa_va_start): Remove prototype. + * pa/pa.h (EXPAND_BUILTIN_VA_START): Remove. + * pa/pa.c (hppa_va_start): Made static, add prototype. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * frv/frv.c (frv_expand_builtin_va_start): Made static, add prototype. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * frv/frv-protos.h (frv_expand_builtin_va_start): Remove prototype. + * frv/frv.h (EXPAND_BUILTIN_VA_START): Remove. + * i386/i386.c (override_options): Clear + targetm.expand_builtin_va_start if -m32 or 64-bit MS ABI. + (ix86_va_start): Made static. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * i386/i386.h (EXPAND_BUILTIN_VA_START): Remove. + * i386/i386-protos.h (ix86_va_start, ix86_va_arg): Remove prototypes. + * iq2000/iq2000-protos.h (iq2000_va_start): Remove prototype. + * iq2000/iq2000.h (EXPAND_BUILTIN_VA_START): Remove. + * iq2000/iq2000.c (iq2000_va_start): Made static, add prototype. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * rs6000/rs6000-protos.h (rs6000_va_start): Remove prototype. + * rs6000/rs6000.c (rs6000_va_start): Made static, add prototype. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + (rs6000_override_options): Clear targetm.expand_builtin_va_start if + DEFAULT_ABI != ABI_V4. + * rs6000/rs6000.h (EXPAND_BUILTIN_VA_START): Remove. + * spu/spu.c (spu_va_start): Made static, add prototype. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * spu/spu.h (EXPAND_BUILTIN_VA_START): Remove. + * spu/spu-protos.h spu_va_start): Remove prototype. + * stormy16/stormy16.h (EXPAND_BUILTIN_VA_START): Remove. + * stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_start): + Remove prototype. + * stormy16/stormy16.c (xstormy16_expand_builtin_va_start): Made static. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * s390/s390-protos.h (s390_va_start): Remove prototype. + * s390/s390.c (s390_va_start): Made static. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * s390/s390.h (EXPAND_BUILTIN_VA_START): Remove. + * mn10300/mn10300.h (EXPAND_BUILTIN_VA_START): Remove. + * mn10300/mn10300-protos.h (mn10300_va_start): Remove prototype. + * mn10300/mn10300.c (mn10300_va_start): Made static, add prototype. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * arc/arc.c (arc_va_start): Made static, add prototype. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * arc/arc.h (EXPAND_BUILTIN_VA_START): Remove. + * arc/arc-protos.h (arc_va_start): Remove prototype. + * mt/mt-protos.h (mt_va_start): Remove prototype. + * sparc/sparc.c (sparc_va_start): Made static, add prototype. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * sparc/sparc-protos.h (sparc_va_start): Remove prototype. + * sparc/sparc.h (EXPAND_BUILTIN_VA_START): Remove. + * sh/sh.c (sh_va_start): Made static, add prototype. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + * sh/sh-protos.h (sh_va_start): Remove prototype. + * sh/sh.h (EXPAND_BUILTIN_VA_START): Remove. + * mips/mips-protos.h (mips_va_start): Remove prototype. + * mips/mips.h (EXPAND_BUILTIN_VA_START): Remove. + * mips/mips.c (mips_va_start): Made static. + (TARGET_EXPAND_BUILTIN_VA_START): Define. + +2007-12-06 Uros Bizjak <ubizjak@gmail.com> + + * tree-ssa-loop.c (gate_tree_parallelize_loops): Return true when + "flag_tree_parallelize_loops > 1". + +2007-12-06 Zdenek Dvorak <ook@ucw.cz> + Dorit Nuzman <dorit@il.ibm.com> + Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/34005 + * tree-gimple.c (is_gimple_formal_tmp_rhs): Add a case for COND_EXPR. + * gimplify.c (gimplify_ctx): Add a new member allow_rhs_cond_expr. + (gimplify_pure_cond_expr): New function. + (generic_expr_could_trap_p): New function. + (gimplify_cond_expr): Call gimplify_pure_cond_expr. + (force_gimple_operand): Initialize new field allow_rhs_cond_expr. + +2007-12-06 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (s390_emit_stack_tie): New function. + (s390_emit_prologue): Emit a stack tie when writing to the + f8-f15 stack slots. + * config/s390/s390.md ("stack_tie"): New insn definition. + +2007-12-06 Ben Elliston <bje@au.ibm.com> + + * SERVICE: Remove. + * doc/sourcebuild.texi (Miscellaneous Docs): Remove SERVICE item. + +2007-12-05 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/34337 + * fold-const.c (fold_binary) <case BIT_IOR_EXPR>: Don't minimize + number of bits set in C1 if a mode mask for some mode can be used + instead. + +2007-12-05 Bernhard Fischer <aldot@gcc.gnu.org> + + * varasm.c (merge_weak, weak_finish, assemble_alias): Commentary typo + fixes. + +2007-12-05 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34138 + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): + Do not forward propagate addresses if that changes volatileness of + the pointed-to type. + +2007-12-05 Uros Bizjak <ubizjak@gmail.com> + + PR target/34312 + * config/i386/i386.c (ix86_function_regparm): Also check for fixed + registers when checking that regparm registers are available. + Lower regparm value due to fixed registers usage in addition to + global regs usage. + +2007-12-05 Bernhard Fischer <aldot@gcc.gnu.org> + + * sparseset.c: Include config.h and system.h before sparseset.h. + * sparseset.h: Remove inclusion of system.h. + +2007-12-05 Jakub Jelinek <jakub@redhat.com> + Richard Sandiford <rsandifo@nildram.co.uk> + + * optabs.c (init_insn_codes): New function. + (new_optab): Delete. + (init_optab, init_optabv): Don't call new_optab. + (init_convert_optab): Don't clear the insn codes. + (init_optabs): Call init_insn_codes. + +2007-12-04 Jakub Jelinek <jakub@redhat.com> + + * omp-low.c (optimize_omp_library_calls): New function. + (expand_omp_parallel): Call it if optimizing. + + PR middle-end/34134 + * stmt.c (expand_stack_restore): Call expand_normal on var to get + rtx for it instead of assuming it will be a VAR_DECL. + +2007-12-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * c-parser (c_parser_statement_after_labels): Move error from here... + (c_parser_label): ... to here. Check that the declaration is not + actually just another label. + +2007-12-04 Richard Guenther <rguenther@suse.de> + + PR middle-end/34334 + PR middle-end/34222 + * tree-ssa-operands.c (get_addr_dereference_operands): If we + fall back to using the SMTs aliases, make sure to add virtual + operands for the SMT itself. + (create_ssa_artificial_load_stmt): Fix typo. Make sure to also + clear the loaded and stored symbols bitmaps. + +2007-12-04 Ben Elliston <bje@au.ibm.com> + + * config/spu/spu.h (ASM_FORMAT_PRIVATE_NAME): Remove; use default. + +2007-12-04 Ben Elliston <bje@au.ibm.com> + + * doc/tm.texi (Exception Handling): Mention unwind-dw2-xtensa.c. + +2007-12-03 Steven Bosscher <stevenb.gcc@gmail.com> + + PR middle-end/33713 + * doc/invoke.texi: Remove -fforce-addr documentation. + * expr.c (emit_move_insn): Remove use of flag_force_addr. + (expand_expr_real_1): Same. + (do_tablejump): Same. + Call memory_address instead of memory_address_noforce. + * expr.h (memory_address_noforce): Remove prototype. + * explow.c (memory_address): Remove support for flag_force_addr. + (validize_mem): Same. + (memory_address_noforce): Remove. + * common.opt: Add dummy documentation for -fforce-addr. + * combine.c (can_combine_p): Remove -fforce-addr comment. + * config/cris/cris.h (OPTIMIZATION_OPTIONS): Remove set of + flag_force_addr. + * config/m68k/m68k.h (PIC_CASE_VECTOR_ADDRESS): Remove comment + relating to memory_address_noforce. + * testsuite/gcc.c-torture/compile/20050802-1.c: Remove. + * testsuite/gcc.c-torture/compile/20011113-1.c: Remove. + +2007-12-03 Jakub Jelinek <jakub@redhat.com> + + * omp-low.c (lookup_decl_in_outer_ctx): Allow calling this + with !ctx->is_nested. + (maybe_lookup_decl_in_outer_ctx): Look up in outer contexts + even if !ctx->is_nested. + (lower_copyprivate_clauses, lower_send_clauses, + lower_send_shared_vars): Call lookup_decl_in_outer_ctx + unconditionally. + + PR middle-end/29749 + * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Optimize + (X << C1) & C2 into (X << C1) & (C2 | ((1 << C1) - 1)) + and (X >> C1) & C2 into (X >> C1) & (C2 | ~((type) -1 >> C1)). + (fold_binary) <case LSHIFT_EXPR, case RSHIFT_EXPR>: Optimize + (X & C2) << C1 into (X << C1) & (C2 << C1) and + (X & C2) >> C1 into (X >> C1) & (C2 >> C1) if that allows further + optimizations. + + PR tree-optimization/33453 + * tree-data-ref.c (split_constant_offset): Use POINTER_PLUS_EXPR + for pointer addition. + * tree-parloops.c (canonicalize_loop_ivs): Likewise. + (separate_decls_in_loop_name): Copy DECL_GIMPLE_REG_P from var to + var_copy. + +2007-12-03 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __FDPIC__ as + necessary. + +2007-12-03 Razya Ladelsky <razya@il.ibm.com> + + * doc/invoke.texi (fipa-cp, fipa-matrix-reorg): Add documentation. + +2007-12-03 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/34317 + * opts.c (common_handle_option): Handle OPT_ftree_store_copy_prop. + * common.opt (ftree-store-copy-prop): Use the same help text as for + other nop switches. + +2007-12-02 Ayal Zaks <zaks@il.ibm.com> + Revital Eres <eres@il.ibm.com> + + * modulo-sched.c (calculate_must_precede_follow, + try_scheduling_node_in_cycle): New functions. + (sms_schedule_by_order): Call the new functions. + (ps_insn_find_column): Use must_follow and must_precede only if + they are not NULL. + (ps_insn_advance_column): Likewise. + +2007-12-02 Ayal Zaks <zaks@il.ibm.com> + Revital Eres <eres@il.ibm.com> + + * modulo-sched.c (get_sched_window): Fix the direction of the + scheduling window and add dump info. + +2007-12-02 Samuel Tardieu <sam@rfc1149.net> + + * config/sh/sh.md (cmpgeusi_t): Fix condition. + +2007-11-30 Jan Hubicka <jh@suse.cz> + + * ggc-common.c (dump_ggc_loc_statistics): Reset ggc_force_collect flag. + +2007-11-30 Seongbae Park <seongbae.park@gmail.com> + + PR rtl-optimization/34171 + * cfgrtl.c (update_bb_for_insn_chain): New function, + refactored from update_bb_for_insn. + (update_bb_for_insn): Call update_bb_for_insn. + (rtl_merge_blocks, try_redirect_by_replacing_jump): + Replace a loop with update_bb_for_insn_chain call. + (cfg_layout_merge_blocks): Add a call to + update_bb_for_insn_chain. Replace the for loop + with a call to update_bb_for_insn_chain. + +2007-11-30 Ben Elliston <bje@au.ibm.com> + + * config/vax/vax.h (ASM_FORMAT_PRIVATE_NAME): Remove. Use default. + +2007-11-29 Zdenek Dvorak <ook@ucw.cz> + + PR tree-optimization/34244 + * tree-vrp.c (adjust_range_with_scev): Clear scev cache. + (record_numbers_of_iterations): New function. + (execute_vrp): Cache the numbers of iterations of loops. + * tree-scalar-evolution.c (scev_reset_except_niters): New function. + (scev_reset): Use scev_reset_except_niters. + * tree-scalar-evolution.h (scev_reset_except_niters): Declare. + +2007-11-29 Jan Hubicka <jh@suse.cz> + Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/33434 + * tree-inline.c (setup_one_parameter): If the value passed to + a parameter is never used, don't set it up. + +2007-11-29 Jakub Jelinek <jakub@redhat.com> + + PR target/32130 + * config/rs6000/eabi-cn.asm (__DTOR_END__): Make it weak. + * config/rs6000/sol-cn.asm (__DTOR_END__): Likewise. + +2007-11-29 Andris Pavenis <andris.pavenis@iki.fi> + + * Makefile.in: Use separate vpath lines for each path. + +2007-11-29 Ben Elliston <bje@au.ibm.com> + + * SERVICE: Update URL. + +2007-11-28 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/34140 + * tree-if-conv.c (if_convertible_phi_p): Fail if BB other than + loop->header has virtual phi nodes. + +2007-11-28 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/32406 + * builtins.c (expand_builtin_nonlocal_goto): Also emit a use + of GP register, if valid and fixed. + + Revert: + 2007-06-21 David Daney <ddaney@avtrex.com> + + PR target/32406 + * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER + to UNSPEC_NONLOCAL_GOTO_RECEIVER globally. + (exception_receiver): Renamed to ... + (nonlocal_goto_receiver): ... this. + +2007-11-27 H.J. Lu <hongjiu.lu@intel.com> + Joey Ye <joey.ye@intel.com> + + PR target/34001 + * config/i386/i386.c (function_arg_32): Don't pass aggregate + arguments in ECX/EDX for fastcall. + +2007-11-28 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * config/i386/linux.h (CRT_GET_RFIB_DATA): Add Intel syntax inline + asm to macro. + * config/i386/sco5.h (CRT_GET_RFIB_DATA): Likewise. + * config/i386/sysv4.h (CRT_GET_RFIB_DATA): Likewise. + +2007-11-28 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/aix64.opt (maix64): Add Negative(maix32). + (maix32): Add Negative(maix64). + +2007-11-27 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/34016 + * tree-ssa-loop.c (pass_linear_transform): Add + TODO_update_ssa_only_virtuals to todo_flags_finish. + +2007-11-27 Eric B. Weddington <eric.weddington@atmel.com> + + * config/avr/avr.c (avr_mcu_types): Add atmega32hvb. + * config/avr/avr.h (LINK_SPEC): Likewise. + (CRT_BINUTILS_SPECS): Likewsie. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2007-11-27 Jakub Jelinek <jakub@redhat.com> + + PR target/34225 + * config/rs6000/rs6000.c (adjacent_mem_locations): Don't assume + MEM_SIZE is set on all MEMs. + +2007-11-27 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.opt (mhard-float): Add the option to be + overridden. That was missing in my last patch. + +2007-11-27 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34241 + * tree-ssa-forwprop.c (forward_propagate_addr_expr): Make sure + to only delete real conversion chains. + +2007-11-27 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.opt (m31, m64, mesa, mzarch, msoft-float, + mhard-float, mlong-double-64, mlong-double-128): Add the + option to be overridden. + +2007-11-27 Richard Guenther <rguenther@suse.de> + + * builtins.c (fold_builtin_1): Verify the argument types + of BUILT_IN_ISNORMAL. + (fold_builtin_n): Verify the number of arguments to variadic + built-in functions. + +2007-11-27 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/elf.h (SUBTARGET_DRIVER_SELF_SPECS): New macro. + * doc/invoke.texi (Blackfin Options): Document the effects. + +2007-11-27 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/sysv4.opt (m32): Add Negative(m64). + (m64): Add Negative(m32). + * config/rs6000/darwin.opt (m32): Add Negative(m64). + (m64): Add Negative(m32). + +2007-11-26 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-propagate.c (set_rhs) <GIMPLE_MODIFY_STMT>: Fix typo. + +2007-11-26 Michael Meissner <michael.meissner@amd.com> + + PR target/34077 + * config/i386/i386.c (ix86_expand_movmem): If the copy size is a + constant, avoid calling emit_cmp_and_jump_insns. Use counter_mode + to get the mode for loading a pseudo register with a count rather + than duplicating code. + +2007-11-25 Eric B. Weddington <eric.weddington@atmel.com> + + * config/avr/avr.c (avr_mcu_types): Add atmega1284p. + * config/avr/avr.h (LINK_SPEC): Likewise. + (CRT_BINUTILS_SPECS): Likewsie. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2007-11-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * c-common.c (conversion_warning): Use get_unwidened instead of + get_narrower. + +2007-11-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c/23722 + * c-parser.c (struct c_parser): New bit in_if_block. + (c_parser_compound_statement_nostart): Handle unexpected 'else' + keyword. + (c_parser_statement_after_labels): Set in_if_block to false while + parsing. + (c_parser_if_body): Don't call c_parser_statement_after_labels if + a semicolon is found, just consume it. Don't call + c_parser_statement_after_labels if an open brace is found, call + c_parser_compound_statement instead. + (c_parser_else_body): New. + (c_parser_if_statement): Set in_if_block to true when parsing the + body of the 'if' statement. Use c_parser_else_body. + +2007-11-26 Andreas Krebbel <krebbel1@de.ibm.com> + + PR c++/34081 + * c-decl.c (store_parm_decls): Pass 'false' for the new + allocate_struct_function parameter. + * cgraphunit.c (cgraph_build_static_cdtor): Likewise. + * tree-parloops.c (create_loop_fn): Likewise. + * function.c (push_function_context_to, push_struct_function, + init_function_start): Likewise. + (allocate_struct_function): Add boolean parameter. + * tree.h (allocate_struct_function): Add boolean parameter. + * function.h (struct function): Move returns_struct and + returns_pcc_struct to the end of the structure definiton. + +2007-11-26 Uros Bizjak <ubizjak@gmail.com> + + PR target/34215 + * config/i386/i386.md (truncdfsf2): Select SLOT_TEMP stack slot if + virtual registers are already instantiated. + (truncxf<mode>2): Ditto. + (floatsi<mode>2): Ditto. + (floatdisf2): Ditto. + (floatdidf2): Ditto. + +2007-11-26 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/34174 + * config/fr30/fr30.c (fr30_move_double): Sanitize mem->reg case. Copy + the address before it is clobbered. + +2007-11-26 Nick Clifton <nickc@redhat.com> + + * config/mn10300/mn10300.md: (call_internal): Remove mode on + operand 0 in order to match UNPSEC'ed calls generated in PIC mode. + (call_value_internal): Remove mode on operands 0 and 1 in order to + match UNPSEC'ed calls generated in PIC mode. + (GOTaddr2picreg): Use copy_rtx to prevent sharing an rtx between + two insns. + +2007-11-26 Richard Guenther <rguenther@suse.de> + + PR middle-end/34233 + * builtins.c (expand_builtin_pow): Use expand_expr to expand + the result of build_call_expr. + +2007-11-26 Steven Bosscher <stevenb.gcc@gmail.com> + Revital Eres <eres@il.ibm.com> + + PR middle-end/34085 + * bb-reorder.c (insert_section_boundary_note): Clear + BLOCK_FOR_INSN in NOTE_INSN_SWITCH_TEXT_SECTIONS. + +2007-11-26 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Add missing comma. + +2007-11-26 Alexandre Oliva <aoliva@redhat.com> + + * dwarf2asm.c (splay_tree_compare_strings): New function. + (dw2_force_const_mem): Use it. + +2007-11-26 Alexandre Oliva <aoliva@redhat.com> + + * tree.c (type_hash_add): Don't violate strict aliasing rules. + +2007-11-26 Alexandre Oliva <aoliva@redhat.com> + + PR c/27898 + * c-typeck.c (tagged_types_tu_compatible_p): Enable exact + matches between anonymous union fields. + +2007-11-26 Alexandre Oliva <aoliva@redhat.com>, Jan Hubicka <jh@suse.cz> + + * tree-ssa-live.c (remove_unused_scope_block_p): Drop + declarations and blocks only after inlining. Check that + non-empty blocks are not dropped. + * tree-inline.c (expand_call_inline): Check that functions are + not inlined too late. + +2007-11-26 Ben Elliston <bje@au.ibm.com> + + * unwind-dw2-fde.c: Fix comment typo. + * unwind-generic.h: Likewise, fix comment typos. + +2007-11-25 Richard Sandiford <rsandifo@nildram.co.uk> + + * tree-sra.c (scalarize_use): Adjust the vpos argument to + sra_explode_bitfield_assignment in cases where the type is + wider than the bitfield. + +2007-11-25 Richard Guenther <rguenther@suse.de> + + * tree.h (struct tree_block): Move locus member next to flags. + * c-decl.c (SCOPE_LIST_APPEND): Use BLOCK_CHAIN. + (SCOPE_LIST_CONCAT): Likewise. + (pop_scope): Likewise. + * function.c (instantiate_decls_1): Likewise. + (setjmp_vars_warning): Likewise. + * emit-rtl.c (set_used_decls): Likewise. + * tree-inline.c (add_lexical_block): Likewise. + +2007-11-24 Hans-Peter Nilsson <hp@axis.com> + + * rtlanal.c (label_is_jump_target_p): Return true for a matching + REG_LABEL_TARGET. + * reorg.c (fill_slots_from_thread): Correct last change to use + NULL_RTX, not NULL. Outside of REG_NOTES loop, increase and + decrease LABEL_NUSES for JUMP_LABEL (trial), not XEXP (note, 0). + * jump.c (mark_jump_label_1): Add comment for last change + regarding JUMP_LABEL setting. + * gcse.c (add_label_notes): Remove conditional that the label is + mentioned in insn before adding regnote. + * sched-rgn.c (is_cfg_nonregular): Don't return 1 for a + single_set insn only feeding a label to a jump through a + register that dies there. + +2007-11-23 Dirk Mueller <dmueller@suse.de> + Richard Guenther <rguenther@suse.de> + + PR middle-end/34197 + * tree-vrp.c (check_array_ref): Move check for valid location.. + (check_array_bounds) here. Use EXPR_HAS_LOCATION(). + +2007-11-23 Hans-Peter Nilsson <hp@axis.com> + + * reload.c (find_reloads_address_1) <autoincdec cases>: + Call REG_OK_FOR_CONTEXT with the autoincdec code, not outer_code. + +2007-11-23 Richard Guenther <rguenther@suse.de> + Michael Matz <matz@suse.de> + + PR tree-optimization/34176 + * alloc-pool.h (empty_alloc_pool): Declare. + * alloc-pool.c (empty_alloc_pool): New function. + * tree-ssa-sccvn.c (vn_reference_lookup): Also lookup from the + valid table if a lookup from the optimistic table failed. + (vn_unary_op_lookup): Likewise. + (vn_binary_op_lookup): Likewise. + (vn_phi_lookup): Likewise. + (process_scc): Clear optimistic tables before every iteration. + +2007-11-23 Richard Guenther <rguenther@suse.de> + + * tree-ssa-copy.c (may_propagate_copy): Remove redundant checks. + (merge_alias_info): Do verification only if checking is + enabled. Merge flow-sensitive alias information in simple cases. + * tree-ssa-operands.c (get_addr_dereference_operands): Also + complain about missing NMTs. + +2007-11-23 Jakub Jelinek <jakub@redhat.com> + + PR c++/34198 + * c-common.c (conversion_warning): For INTEGER_TYPE to + INTEGER_TYPE conversions call get_narrower on expr to avoid + spurious warnings from binop shortening or when the implicit + conversion can't change the value. + +2007-11-22 Joseph Myers <joseph@codesourcery.com> + + PR c/14050 + * c-decl.c (set_array_declarator_inner): Don't give error for + static or type qualifiers in abstract declarator. Remove + abstract_p parameter. + * c-tree.h (set_array_declarator_inner): Update prototype. + * c-parser.c (c_parser_direct_declarator_inner): Update call to + set_array_declarator_inner. + * doc/standards.texi: Update for C99 TC3. + +2007-11-22 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.c (mmix_encode_section_info): Remove duplicate + line in my edit of the last change. + +2007-11-22 Jakub Jelinek <jakub@redhat.com> + + PR target/33947 + * config/arm/arm.c (arm_init_tls_builtins): Set TREE_NOTHROW + and TREE_READONLY on the fn decl rather than passing a chain + of attributes. + +2007-11-22 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.md (divsi_inv_m3): Handle zero dividend specially. + +2007-11-22 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Change checking + of ix86_arch and ix86_tune into a switch statement. + (enum processor_type): Default PROCESSOR_I386 to 0. + * config/i386/i386.c (ix86_decompose_address): Use TARGET_K6 instead + of "ix86_tune == PROCESSOR_K6". + (ia32_multipass_dfa_lookahead): Change checking of ix86_tune into + a switch statement. + +2007-11-22 Tom Tromey <tromey@redhat.com> + + * config/mmix/mmix.c (mmix_encode_section_info): Use alloca to + avoid writing into string allocated by ggc_alloc_string. + +2007-11-21 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/34155 + * config/sh/sh.md (binary_sf_op): Remove. + (binary_sf_op0, binary_sf_op1): New define_insn_and_split. + * config/sh/sh.c (sh_expand_binop_v2sf): Use gen_binary_sf_op0 + and gen_binary_sf_op1. + +2007-11-21 Hans-Peter Nilsson <hp@axis.com> + + * regclass.c (init_reg_autoinc): Fix typo preventing test of + secondary output reload when setting forbidden_inc_dec_class. + +2007-11-21 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34148 + * tree-ssa-structalias.c (create_variable_info_for): Do not use + field-sensitive PTA for single-element structures. + * tree-ssa-alias.c (create_overlap_variables_for): Do not create + SFTs for single-element structures. + +2007-11-20 Richard Guenther <rguenther@suse.de> + + PR middle-end/34154 + * gimplify.c (gimplify_switch_expr): Use tree_int_cst_lt instead + of the signed INT_CST_LT. + * stmt.c (expand_case): Likewise. + (estimate_case_costs): Likewise. + +2007-11-20 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * read-rtl.c (fatal_expected_char): Print EOF as text rather that + its binary representation. + +2007-11-20 Richard Guenther <rguenther@suse.de> + + * tree-ssa-operands.c (add_virtual_operand): Consistently prune + accesses. + +2007-11-20 Thiemo Seufer <ths@mips.com> + + * config/mips/mips.c (mips_file_start): Add support for + flagging 32-bit code with -mfp64 floating-point. + +2007-11-20 Jakub Jelinek <jakub@redhat.com> + + PR c/34146 + * c-gimplify.c (optimize_compound_literals_in_ctor): New function. + (c_gimplify_expr): Use it. + +2007-11-20 Ben Elliston <bje@au.ibm.com> + + * config/spu/spu_mfcio.h: Fix typo. + +2007-11-20 Ben Elliston <bje@au.ibm.com> + + * unwind.inc: Comment that unwind-sjlj.c includes this file. + +2007-11-20 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + Ben Elliston <bje@au.ibm.com> + + * config/spu/mfc_tag_release.c: New file. + * config/spu/mfc_multi_tag_release.c: Likewise. + * config/spu/mfc_multi_tag_reserve.c: Likewise. + * config/spu/mfc_tag_release.c: Likewise. + * config/spu/mfc_tag_reserve.c: Likewise. + * config/spu/mfc_tag_table.c: Likewise. + * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Compile them. + (TARGET_LIBGCC2_CFLAGS): Define __IN_LIBGCC2. + * config/spu/spu_mfcio.h: Avoid <stdint.h>. + (uint64_t): Typedef if __IN_LIBGCC2 is defined. + (MFC_TAG_INVALID, MFC_TAG_VALID): New macros. + (mfc_tag_reserve, mfc_tag_release, mfc_multi_tag_reserve, + mfc_multi_tag_release): Likewise. + (__mfc_tag_reserve, __mfc_tag_release, __mfc_multi_tag_reserve, + __mfc_multi_tag_release): Declare. + +2007-11-19 Jason Merrill <jason@redhat.com> + + PR debug/28834, debug/29436, c/32326 + * tree.c (build_type_attribute_qual_variant): Refuse to make + a distinct copy of a struct/enum type. Use build_distinct_type_copy. + * doc/extend.texi (Type Attributes): Don't encourage people to add + attributes to struct/enum types in a typedef. Fix + transparent_union example. + + * tree-inline.c (remap_type_1): Remove code that's redundant with + remap_type. + (build_duplicate_type): Set id.copy_decl. + * c-common.c (handle_transparent_union_attribute): Simplify logic. + +2007-11-19 Peter Bergner <bergner@vnet.ibm.com> + + * config/rs6000/rs6000.c (invalid_e500_subreg, + rs6000_legitimate_offset_address_p, legitimate_lo_sum_address_p, + rs6000_legitimize_address, rs6000_legitimize_reload_address, + rs6000_legitimate_address, function_arg_advance, + spe_build_register_parallel, rs6000_spe_function_arg, + rs6000_split_multireg_move, spe_func_has_64bit_regs_p, + emit_frame_save, gen_frame_mem_offset, rs6000_function_value, + rs6000_libcall_value, rs6000_dwarf_register_span): Handle DDmode and + TDmode similarly to DFmode and TFmode. + * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK, + DATA_ALIGNMENT, CLASS_MAX_NREGS, CANNOT_CHANGE_MODE_CLASS): Likewise. + +2007-11-19 Eric Botcazou <ebotcazou@adacore.com> + + * stor-layout.c (lang_adjust_rli): Delete. + (set_lang_adjust_rli): Likewise. + (layout_type): Do not call lang_adjust_rli hook. + * tree.h (set_lang_adjust_rli): Delete. + +2007-11-19 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (must_save_p): New function, mostly broken out of + n_dregs_to_save and n_pregs_to_save. + (n_pregs_to_save, n_dregs_to_save): Use it. New argument CONSECUTIVE; + all callers changed. + (expand_prologue_reg_save, expand_epilogue_reg_restore): Enhance to be + able to save single D/P registers that aren't saved by the push/pop + multiple insns. + +2007-11-19 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34099 + * tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR, + MINUS_EXPR and POINTER_PLUS_EXPR from handling as UNDEFINED + if only one operand is undefined. + +2007-11-19 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR tree-optimization/34036 + * opts.c (set_fast_math_flags): Do not set flags in common + with set_unsafe_math_optimizations_flags, invoke it directly. + (set_unsafe_math_optimizations_flags): Unset flag_trapping_math + and flag_signed_zeros. + * toplev.c (process_options): Force flag_associative_math to 0 and + warn, if it is set and either flag_trapping_math or flag_signed_zeros + is set too. + * doc/invoke.texi (Optimize Options): Document the new behavior + of -funsafe-math-optimizations, that -fassociative-math requires + both -fno-signed-zeros and -fno-trapping-math and make it clear + that -fno-trapping-math requires -fno-signaling-nans. Refactor + documentation of -ffast-math. + +2007-11-18 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/34132 + * gcse.c (try_replace_reg): Avoid rtx sharing between REG_EQUAL note + and insn. + + PR middle-end/33335 + * optabs.h (optab_table): Change type to struct optab from optab. + (convert_optab_table): Similarly. + Adjust all _optab macros to expand to addresses of optab_table + resp. convert_optab_table elements rather than the values of the + elements. + * optabs.c (optab_table): Change typype to struct optab from optab. + If compiled by recent GCC, initialize all the insn_code fields in + the array using designated range initializers. + (convert_optab_table): Similarly. + (convert_optab_libfunc, optab_libfunc, set_optab_libfunc, + set_conv_libfunc): Into libfunc_entry's optab field store index within + optab_table resp. convert_optab_table array instead of difference + between two separately malloced addresses. + (new_optab): Add op argument, don't return anything. Initialize + just the insn_code field in handlers array and only when needed. + (init_optab, init_optabv): Add op argument, don't return anything. + Adjust new_optab caller. + (new_convert_optab): Removed. + (init_convert_optab): Add op argument, don't return anything, don't + call new_convert_optab. If needed, initialize insn_code field in + handlers array. + (init_optabs): Adjust init_optab, init_optabv and init_convert_optab + callers. + (debug_optab_libfuncs): Adjust uses of optab_table and + convert_optab_table arrays. + +2007-11-18 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34127 + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): + Make code match up the comments, require compatibility of the + pointed-to types. + +2007-11-17 Richard Guenther <rguenther@suse.de> + + PR middle-end/34130 + * fold-const.c (extract_muldiv_1): Do not move negative + constants inside ABS_EXPR. + +2007-11-16 Ian Lance Taylor <iant@google.com> + + * collect2.c (dump_file): If a demangled symbol is followed by a + space, make sure we output at least one space. + +2007-11-16 Richard Guenther <rguenther@suse.de> + + PR middle-end/34030 + * fold-const.c (fold_binary): Use correct types for folding + 1 << X & Y to Y >> X & 1. + +2007-11-16 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33870 + * tree.h (struct tree_memory_tag): Add base_for_components flag. + (struct tree_struct_field_tag): Remove nesting_level field. + (SFT_NESTING_LEVEL): Remove. + (SFT_BASE_FOR_COMPONENTS_P): Add. + * tree-flow.h (struct fieldoff): Remove nesting_level field. Add + base_for_components flag. + (push_fields_onto_fieldstack): Remove nesting_level parameter. + * tree-ssa-alias.c (create_sft): Likewise. Add base_for_components + parameter. + (create_overlap_variables_for): Deal with it. + * tree-dfa.c (dump_subvars_for): Likewise. + (dump_variable): Likewise. + * tree-ssa-structalias.c (push_fields_onto_fieldstack): Likewise. + Set base_for_components for first elements of sub-structures. + (create_variable_info_for): Handle base_for_components. + (set_uids_in_ptset): Always set SFT_UNPARTITIONABLE_P for + pointed-to SFTs if SFT_BASE_FOR_COMPONENTS_P is set. + * tree-ssa-operands.c (ref_nesting_level): Remove. + (add_vars_for_offset): Remove full_ref parameter, always add + the offset of the pointed-to SFT. + (add_virtual_operand): Adjust for changed signature of + add_vars_for_offset. + +2007-11-16 Sa Liu <saliu@de.ibm.com> + + * config/spu/spu.md (floatunssidf2, floatunsdidf2): Inlined + floatunssidf2 and floatunsdidf2. + +2007-11-16 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34113 + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): + Use correct conversion direction for checking type compatibility. + +2007-11-16 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34099 + * tree-ssa-ccp.c (likely_value): Use a whitelist for operators + that produce UNDEFINED result if at least one of its operands + is UNDEFINED. By default the result is only UNDEFINED if all + operands are UNDEFINED. + +2007-11-16 Jakub Jelinek <jakub@redhat.com> + + PR driver/30460 + * gcc.c (init_spec): Don't initialize asm_debug here... + (main): ... but here. + +2007-11-07 Tom Tromey <tromey@redhat.com> + + * tree-ssa-structalias.c (ipa_pta_execute): Rename 'cfun' to 'func'. + * tree-parloops.c (create_loop_fn): Use set_cfun. + * gengtype.c (open_base_files): Emit #undef cfun. + * ipa-struct-reorg.c (do_reorg_1): Use set_cfun. + * function.h (cfun): New define. + * function.c: Undefine cfun. + +2007-11-07 Eric B. Weddington <eweddington@cso.atmel.com> + + * config/avr/avr.c (avr_mcu_types): Add attiny88. + * config/avr/avr.h (LINK_SPEC): Likewise. + (CRT_BINUTILS_SPECS): Likewsie. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2007-11-15 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/23848 + * tree-ssa-ccp.c (optimize_stack_restore): New function. + (execute_fold_all_builtins): Call optimize_stack_restore for + BUILT_IN_STACK_RESTORE. + +2007-11-15 Paolo Bonzini <bonzini@gnu.org> + + * fwprop.c (try_fwprop_subst): Skip profitability check for forward + propagation into an address; that's done in should_replace_address. + +2007-11-15 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/spu/spu-protos.h (legitimate_const): Remove prototype. + * config/spu/spu.c (legitimate_const): Remove. + (classify_immediate): Inline call to legitimate_const. + (spu_legitimate_address): Likewise. Allow SYMBOL_REF + CONST_INT + for any constant, not just -512 .. 511. + +2007-11-15 Sa Liu <saliu@de.ibm.com> + + * config/spu/spu.c (spu_emit_branch_or_set): Remove PROCESSOR_CELL + condition from HONOR_NANS test. + * config/spu/spu.md (ceq_df): Always generate comparison code + inline, including checks for NaNs and infinities. + (cgt_df): Likewise. + (cgt_v2df): Likewise. + (cmpdf): Make this expander unconditional. + +2007-11-15 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (create_overlap_variables_for): Make sure + to only create SFTs if we also create variable infos for PTA. + * tree-ssa-structalias.c (set_uids_in_ptset): Add all overlapping SFTs. + +2007-11-15 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (set_uids_in_ptset): Use the pointed-to + type for TBAA pruning. + (find_what_p_points_to): Call set_uids_in_ptset with the original + pointer, not the decl of the solution we collapsed to. + +2007-11-14 David Daney <ddaney@avtrex.com> + + * config/mips/linux-unwind.h (mips_fallback_frame_state): Use CFA + to find sigcontext. + +2007-11-14 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR target/33923 + * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Forbid mode changes + for registers in BR_REGS class. + +2007-11-14 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/34088 + * tree-ssa.c (delete_tree_ssa): Don't call fini_ssa_operands if + init_ssa_operands has not been called for cfun. + +2007-11-14 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR tree-optimization/34046 + * cfg.c (update_bb_profile_for_threading): Avoid the division for the + scaling if the old probability is greater than the new base. + +2007-11-14 Sebastian Pop <sebastian.pop@amd.com> + + * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Remove + unused edges after loop duplication. + +2007-11-14 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (TARGET_CPU_DEFAULT_*): Substitute with ... + (enum target_cpu_default): ... this enum. + (TARGET_CPU_DEFAULT_NAMES): Remove macro. Move initializer to ... + * config/i386/i386.c (override_options): ... here. + * config/i386/i386-interix.h (TARGET_CPU_DEFAULT): Use + TARGET_CPU_DEFAULT_i486. + +2007-11-14 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * global.c (rest_of_handle_global_alloc): Fix comment typos. + * config/sh/sh.c (sh_rtx_costs): Likewise. + * ChangeLog: Likewise. + +2007-11-13 Sebastian Pop <sebastian.pop@amd.com> + + * tree-chrec.h (build_polynomial_chrec): RHS of a chrec + should not be of pointer type. + +2007-11-13 Michael Meissner <michael.meissner@amd.com> + + * config/i386/i386.c (ix86_sse5_valid_op_p): Put type on separate line. + +2007-11-13 Sterling Augustine <sterling@tensilica.com> + Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/unwind-dw2-xtensa.c: New. + * config/xtensa/unwind-dw2-xtensa.h: New. + * config/xtensa/xtensa.h (MUST_USE_SJLJ_EXCEPTIONS): Remove. + (DWARF2_UNWIND_INFO): Remove. + (DWARF_FRAME_REGISTERS): Define. + (EH_RETURN_DATA_REGNO): Define. + * config/xtensa/xtensa.md (UNSPECV_EH_RETURN): Define. + (eh_return): New. + * config/xtensa/t-xtensa (LIB2ADDEH): Define. + +2007-11-13 Jakub Jelinek <jakub@redhat.com> + + * doc/invoke.texi: Fix description of -fsched-stalled-insns=0, + -fsched-stalled-insns. + + PR tree-optimization/34063 + * tree-chrec.c (chrec_evaluate): Put CHREC_LEFT based argument + as first chrec_fold_plus operand rather than second. + +2007-11-13 Diego Novillo <dnovillo@google.com> + + PR tree-optimization/33870 + * tree.h (strcut tree_memory_tag): Add field unpartitionable. + Remove field in_nested_struct. + (struct tree_struct_field_tag): Add field nesting_level. + (sft_in_nested_struct): Remove. + (sft_nesting_level): Define. + (sft_unpartitionable_p): Define. + * tree-ssa-alias.c (mem_sym_score): If mp->var is not + partitionable, return long_max. + (compute_memory_partitions): Do not partition sfts marked + unpartitionable. + (create_sft): Add argument nesting_level. Set + sft_nesting_level with it. Update all users. + (create_overlap_variables_for): Show nesting level. + * tree-dfa.c (dump_subvars_for): Likewise. + (dump_variable): Likewise. Show whether the sft is + partitionable or not. + * tree-flow.h (struct fieldoff): Remove field in_nested_struct. + Add field nesting_level. + * tree-ssa-structalias.c (struct variable_info): Remove + field in_nested_struct. + (push_fields_onto_fieldstack): Add argument nesting_level. + Update all users. Update documentation. Update pair->nesting_level + with nesting_level. Make recursive calls with nesting_level + 1. + (set_uids_in_ptset): If an sft is added to the points-to set, + mark it as unpartitionable. + * tree-ssa-operands.c (ref_nesting_level): New. + (add_vars_for_offset): Call it. Add argument full_ref. Update + callers. If var is inside a nested structure and the nesting level + of full_ref is lower than the nesting level of var, + adjust offset by the offset of var. + +2007-11-13 Victor Kaplansky <victork@il.ibm.com> + + PR tree-optimization/32582 + * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-tree-vectorize + +2007-11-12 Danny Smith <dannysmith@users.sourceforge.net> + + * doc/extend.texi (dllimport): Document that pointers to dllimport'd + functions can be used as constant. + +2007-11-12 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/34035 + * cse.c (cse_cfg_altered): New global variable. + (cse_jumps_altered): Make boolean. + (recorded_label_ref): Likewise. + (cse_insn): Adjust for above changes. + (cse_extended_basic_block): Likewise. Set cse_cfg_altered + if dead edges have been purged. + (cse_main): Change return value specification and adjust code. + (rest_of_handle_cse): Adjust for above change. + (rest_of_handle_cse2): Likewise. + * gcse.c (rest_of_handle_gcse): Likewise. + +2007-11-12 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + Michael Meissner <michael.meissner@amd.com> + + * config/i386/i386.md (sse5_setcc<mode>): Use <ssemodefsuffix> to + get the appropriate suffix for the coms* instruction. + (sse5_pcmov_<mode>): Restrict operands of pcmov + for scalar case to be only xmm registers and not memory. + + * config/i386/sse.md (sse5_pcmov_<mode>): Correct the operand + constraints to follow the mnemonics for the pcmov instruction + +2007-11-12 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/34042 + * config/mips/mips.c (mips_return_fpr_single): New function. + (mips_function_value): Use it when returning single-field + aggregates in FPRs. + (mips_expand_call): Handle the PARALLELs created by + mips_return_fpr_single. + +2007-11-12 Richard Guenther <rguenther@suse.de> + + PR middle-end/34070 + * fold-const.c (fold_binary): If testing for non-negative + operands with tree_expr_nonnegative_warnv_p make sure to + use op0 which has all (sign) conversions retained. + +2007-11-12 Richard Guenther <rguenther@suse.de> + + PR middle-end/34027 + * fold-const.c (fold_binary): Fold n - (n / m) * m to n % m. + (fold_binary): Fold unsinged FLOOR_DIV_EXPR to TRUNC_DIV_EXPR. + +2007-11-12 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/33953 + * tree-vect-transform.c (vectorizable_operation): In case of SLP, + allocate vec_oprnds1 according to the number of created vector + statements. In case of shift with scalar argument, store scalar + operand for every vector statement to be created for the SLP node. + Fix a comment. + +2007-11-10 Steven Bosscher <stevenb.gcc@gmail.com> + + * gcse.c (CUID_INSN): Remove. + (cuid_insn): Ditto. + (alloc_gcse_mem): Don't allocate cuid_insn. + (free_gcse_mem): Don't free cuid_insn. + +2007-11-10 Jakub Jelinek <jakub@redhat.com> + + PR fortran/34020 + * gimplify.c (goa_lhs_expr_p): Inside INDIRECT_REF handle unshared + nops. + + PR middle-end/34018 + * tree-inline.h (copy_body_data): Add regimplify field. + * tree-inline.c (copy_body_r): Set id->regimplify to true + if an TREE_INVARIANT ADDR_EXPR is no longer invariant after + substitutions. + (copy_bb): Clear id->regimplify before walk_tree, if it is + set afterwards, regimplify the whole statement. + + PR tree-optimization/33680 + * tree-data-ref.c (split_constant_offset) <case ADDR_EXPR>: Punt + if the added cast involves variable length types. + +2007-11-09 Alexander Monakov <amonakov@ispras.ru> + Maxim Kuvyrkov <maxim@codesourcery.com> + + * sched-deps.c (sched_analyze_insn): Use MOVE_BARRIER + instead of TRUE_BARRIER for jumps. Add register dependencies + even when reg_pending_barrier is set. + +2007-11-09 Alexander Monakov <amonakov@ispras.ru> + + * haifa-sched.c (haifa_classify_insn): Rename to ... + (haifa_classify_rtx): ... this. Improve handling of COND_EXECs, + handle PARALLELs by recursing. Use it ... + (haifa_classify_insn): ... here. Reimplement. + +2007-11-09 Richard Guenther <rguenther@suse.de> + + * bitmap.h (bitmap_single_bit_set_p): Declare. + * bitmap.c (bitmap_single_bit_set_p): New function. + * tree-ssa-alias.c (add_may_alias_for_new_tag): Use it. + (maybe_create_global_var): Use bitmap_empty_p. + +2007-11-09 Paolo Bonzini <bonzini@gnu.org> + Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/34012 + * fwprop.c (try_fwprop_subst): Do not replace if the new + SET_SRC has a higher cost than the old one. + +2007-11-09 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/33732 + * reload.c (push_reload): Check that the REG_DEAD note was referring + to a hardreg or to a pseudo that has been assigned exactly one hardreg + before considering it in order to select the reload register. + (combine_reloads): Likewise. + (find_dummy_reload): Likewise. + +2007-11-09 Richard Guenther <rguenther@suse.de> + + * tree-flow.h (struct ptr_info_def): Make escape_mask a ENUM_BITFIELD. + (struct ptr_info_def): Likewise. + (enum escape_type): Also use bit zero. + +2007-11-09 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33604 + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): + Disregard changes in CV qualifiers of pointed to types for + forward propagating ADDR_EXPRs. + * tree-ssa-ccp.c (fold_stmt_r): Preserve volatileness of the original + expression. + +2007-11-09 Richard Sandiford <rsandifo@nildram.co.uk> + + * dse.c (find_shift_sequence): Always choose an integer mode for + new_mode. + (replace_read): Require both the read and store mode to be + integer ones. Remove a then-redundant FLOAT_P check. + +2007-11-08 Richard Guenther <rguenther@suse.de> + + * tree-dfa.c (remove_referenced_var): If removing a + variable which has subvars, also remove those from + the referenced vars. Do not create a variable annotation. + +2007-11-08 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_expand_prologue): Remove first + argument for gen_entry calls. + * config/xtensa/xtensa.md: Add new "entry" value to "type" attribute. + (entry): Use the new attribute value. Remove unused first operand. + +2007-11-08 Tom Tromey <tromey@redhat.com> + + * c-parser.c (c_parser_translation_unit): Use location in error. + (c_parser_external_declaration): Likewise. + (c_parser_declaration_or_fndef): Likewise. + (c_parser_enum_specifier): Likewise. + (c_parser_struct_or_union_specifier): Likewise. + (c_parser_struct_declaration): Likewise. + (c_parser_typeof_specifier): Likewise. + (c_parser_parms_list_declarator): Likewise. + (c_parser_asm_string_literal): Likewise. + (c_parser_braced_init): Likewise. + (c_parser_initelt): Likewise. + (c_parser_compound_statement_nostart): Likewise. + (c_parser_statement_after_labels): Likewise. + (c_parser_do_statement): Likewise. + (c_parser_asm_statement): Likewise. + (c_parser_conditional_expression): Likewise. + (c_parser_unary_expression): Likewise. + (c_parser_sizeof_expression): Likewise. + (c_parser_postfix_expression): Likewise. + (c_parser_postfix_expression_after_paren_type): Likewise. + (c_parser_objc_class_instance_variables): Likewise. + (c_parser_objc_method_definition): Likewise. + (c_parser_objc_methodprotolist): Likewise. + (c_parser_pragma): Likewise. + (c_parser_omp_clause_num_threads): Likewise. + (c_parser_omp_clause_schedule): Likewise. + (c_parser_omp_all_clauses): Likewise. + (c_parser_omp_sections_scope): Likewise. + (c_parser_label): Use location of label, not colon. + +2007-11-08 Danny Smith <dannysmith@users.sourceforge.net> + + PR target/33774 + * config/i386/cygming.h (BIGGEST_FIELD_ALIGNMENT): Define only if + IN_TARGET_LIBS. + +2007-11-07 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/33826 + * ipa-pure-const.c (static_execute): Added code to keep recursive + functions from being marked as pure or const. + * ipa-utils.c (searchc): Fixed comment. + +2007-11-08 Tom Tromey <tromey@redhat.com> + + * common.opt (fshow-column): Default to 0. + * configure: Rebuilt. + * configure.ac (--enable-mapped-location): Default to 'yes'. + +2007-11-07 Kenneth Zadeck <zadeck@naturalbridge.com> + + * common.opt: Add pointer to doc/options.texi. + * doc/invoke.texi (-fdse, -fdce, -fauto-inc-dec, -fipa-pure-const, + -fipa-reference): Add or correct doc. Sorted options list for -Os + -O, -O2. + +2007-11-07 Bernhard Fischer <aldot@gcc.gnu.org> + + PR target/16350 + * config.gcc: For arm*b-* define TARGET_BIG_ENDIAN_DEFAULT. + * config/arm/linux-elf.h (TARGET_ENDIAN_DEFAULT): Define based on + TARGET_BIG_ENDIAN_DEFAULT. Use for MULTILIB_DEFAULTS. + (TARGET_DEFAULT): Set according to TARGET_ENDIAN_DEFAULT. + (LINUX_TARGET_LINK_SPEC): Pass -mlittle-endian on to the assembler. + * config/arm/linux-eabi.h (TARGET_LINKER_EMULATION): Set according + to TARGET_BIG_ENDIAN_DEFAULT. + (SUBTARGET_EXTRA_LINK_SPEC): Likewise. + * config/arm/bpabi.h (TARGET_DEFAULT_MASK): Set according + to TARGET_BIG_ENDIAN_DEFAULT. + +2007-11-07 Diego Novillo <dnovillo@google.com> + + * tree.h (struct tree_struct_field_tag): Move field + in_nested_struct ... + (struct tree_memory_tag): ... here. + +2007-11-07 Diego Novillo <dnovillo@google.com> + + PR 33870 + * tree.h (struct tree_struct_field_tag): Add field in_nested_struct. + (SFT_IN_NESTED_STRUCT): Define. + * tree-dfa.c (dump_subvars_for): Show offset of each sub-var. + * tree-flow.h (struct fieldoff): Add field in_nested_struct. + * tree-ssa-structalias.c (struct variable_info): Likewise. + (push_fields_onto_fieldstack): If OFFSET is positive, + set in_nested_struct. + (create_variable_info_for): Copy setting of + in_nested_struct from the field offset object. + (set_uids_in_ptset): Set SFT_IN_NESTED_STRUCT from the + variable info object. + * tree-ssa-operands.c (add_vars_for_offset): If VAR + belongs to a nested structure, adjust OFFSET by SFT_OFFSET(VAR). + +2007-11-07 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/33737 + * cfgcleanup.c (try_crossjump_to_edge): Add count and frequency of + target block after computing the probabilities of outgoing edges. + Cap the frequency to BB_FREQ_MAX. + * tree-ssa-threadupdate.c (redirect_edges): Also adjust count and + frequency of the basic block if it has been reused. + +2007-11-07 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/33822 + * rtl.h (REG_OFFSET): Fix comment. + * var-tracking.c (INT_MEM_OFFSET): New macro. + (var_mem_set): Use it. + (var_mem_delete_and_set): Likewise. + (var_mem_delete): Likewise. + (same_variable_part_p): Likewise. + (vt_get_decl_and_offset): Likewise. + (offset_valid_for_tracked_p): New predicate. + (count_uses): Do not track locations with invalid offsets. + (add_uses): Likewise. + (add_stores): Likewise. + +2007-11-07 Tom Tromey <tromey@redhat.com> + + * Makefile.in (tree-ssa-structalias.o): Depend on $(FUNCTION_H) + (BASIC_BLOCK_H): Add vec.h, $(FUNCTION_H). + +2007-11-07 Dmitry Zhurikhin <zhur@ispras.ru> + Andrey Belevantsev <abel@ispras.ru> + + * modulo-sched.c (sms_order_nodes, permute_partial_schedule, + generate_prolog_epilog, duplicate_insns_of_cycles): Fix prototypes. + (calculate_order_params, sms_order_nodes): New parameter pmax_asap. + Save calculated max_asap in it. + (sms_schedule): Calculate maxii using max_asap. + +2007-11-07 Andreas Krebbel <krebbel1@de.ibm.com> + + * doc/invoke.texi: Replace rs6000 dfp switches -mdfp/-mno-dfp + with -mhard-dfp/-mno-hard-dfp. + +2007-11-07 Maxim Kuvyrkov <maxim@codesourcery.com> + Jakub Jelinek <jakub@redhat.com> + + PR middle-end/33670 + * haifa-sched.c (check_sched_flags): Remove. + (sched_init): Don't call it. + +2007-11-06 Diego Novillo <dnovillo@google.com> + + * tree-flow.h (struct fieldoff): Reformat comment. Document fields. + * tree-ssa-operands.c: Tidy top-level comments. + (add_vop): Likewise. + (add_vars_for_offset): Tidy parameter formatting.. + (get_addr_dereference_operands): Likewise. + (get_indirect_ref_operands): Likewise. + (get_expr_operands) <OMP_ATOMIC_LOAD>: Reformat. + <OMP_ATOMIC_STORE>: Likewise. + +2007-11-06 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/32787 + * config/i386/driver-i386.c: Test for __GNUC__ instead of + GCC_VERSION which is always defined. + +2007-11-06 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + PR target/30961 + * reload1.c (find_reloads): Also check in_reg when handling a + simple move with an input reload and a destination of a hard register. + +2007-11-06 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/m68k.c (sched-int.h, insn-codes.h): New includes. + (TARGET_SCHED_ADJUST_COST, TARGET_SCHED_VARIABLE_ISSUE, + TARGET_SCHED_INIT_GLOBAL, TARGET_SCHED_FINISH_GLOBAL, + TARGET_SCHED_INIT, TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE, + TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Redefine. + (m68k_sched_attr_type2): New function. + (sched_adjust_cost_state): New static variable. + (m68k_sched_adjust_cost): New static function implementing + scheduler hook. + (sched_ib_size, sched_ib_filled, sched_ib_insn, sched_mem_unit_code): + New static variables. + (m68k_sched_variable_issue): New static function implementing + scheduler hook. + (sched_dump_class_def, sched_dump_class_func_t): New typedefs. + (sched_dump_split_class): New static function. + (sched_dump_dfa_guess_unit_code, sched_dump_dfa_state): New static + variables. + (sched_dump_dfa_class, m68k_sched_dump): New static function. + (m68k_sched_md_init_global, m68k_sched_md_finish_global, + m68k_sched_md_init, m68k_sched_dfa_pre_advance_cycle, + m68k_sched_dfa_post_advance_cycle): New static functions implementing + scheduler hooks. + + * config/m68k/m68k.h (m68k_sched_attr_type2): Declare. + (CPU_UNITS_QUERY): Define. + + * config/m68k/cf.md: New file. + * config/m68k/m68.md (cf.md): New include. + +2007-11-06 Tom Tromey <tromey@redhat.com> + + PR c++/32256 + PR c++/32368 + * function.c (saved_in_system_header): New global. + (push_cfun): Save in_system_header. + (pop_cfun): Restore in_system_header. + (push_struct_function): Save in_system_header. + +2007-11-06 Douglas Gregor <doug.gregor@gmail.com> + + PR c++/33977 + PR c++/33886 + * c-common.c (c_build_qualified_type): Moved to c-typeck.c. + (complete_array_type): Set canonical type appropriately. + * c-typeck.c (c_build_qualified_type): Moved from c-common.c. The + C and C++ front ends now have different versions of this function, + because the C++ version needs to maintain canonical types here. + +2007-11-04 Razya Ladelsky <razya@il.ibm.com> + + * tree-parloops.c (reduction_info): Remove reduction_init field. + (initialize_reductions): Remove creation of the reduction_init variable. + (struct data_arg): Remove. + (add_field_for_reduction, create_stores_for_reduction): New functions. + (add_field_for_name): Remove reduction handling. + (separate_decls_in_loop): Call add_field_for_reduction, + create_stores_for_reduction. + +2007-11-06 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/33458 + * tree-inline.c (copy_phis_for_bb): If PHI arg substitution creates + !is_gimple_val PHI argument, gimplify it and insert it on edge. + + PR tree-optimization/33993 + * tree-vect-transform.c (vect_get_constant_vectors): Use build_vector + rather than build_constructor_from_list if all list values are + constants. + (get_initial_def_for_induction): Use build_vector instead of + build_constructor_from_list. + +2007-11-05 Mark Mitchell <mark@codesourcery.com> + + PR target/33579 + * tree.h (DECL_INIT_PRIORITY): Do not require DECL_HAS_INIT_PRIORITY_P. + (DECL_FINI_PRIORITY): Likewise. + * tree.c (decl_init_priority_lookup): Remove assert. + (decl_fini_priority_insert): Likewise. + * cgraphunit.c (static_ctors): Make it a VEC. + (static_dtors): Likewise. + (record_cdtor_fn): Adjust accordingly. + (build_cdtor): Generate multiple functions for each initialization + priority. + (compare_ctor): New function. + (compare_dtor): Likewise. + (cgraph_build_cdtor_fns): Sort the functions by priority before + calling build_cdtor. + (cgraph_build_static_cdtor): Put the priority in the function's name. + +2007-11-05 H.J. Lu <hongjiu.lu@intel.com> + + PR driver/32632 + * common.opt: Add shared and pie. + +2007-11-05 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Do not + replace references to virtual_stack_vars_rtx in goto_handler. + +2007-11-05 Paul Brook <paul@codesourcery.com> + + * config.gcc (arm*-*-*): Set c_target_objs and cxx_target_objs. + * config/arm/arm.c (arm_lang_output_object_attributes_hook): New. + (arm_file_start): Don't set Tag_ABI_PCS_wchar_t. Call + arm_lang_output_object_attributes_hook. + * config/arm/arm.h (arm_lang_output_object_attributes_hook): Declare. + (REGISTER_TARGET_PRAGMAS): Call arm_lang_object_attributes_init. + * config/arm/arm-protos.h (arm_lang_object_attributes_init): Add + prototype. + * config/arm/t-arm.c (arm.o): New rule. + * config/arm/arm-c.c: New file. + +2007-11-05 Nick Clifton <nickc@redhat.com> + Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/32540 + PR tree-optimization/33922 + * doc/invoke.texi: Document PARAM_MAX_PARTIAL_ANTIC_LENGTH. + * tree-ssa-pre.c: Include params.h. + (compute_partial_antic_aux): Use PARAM_MAX_PARTIAL_ANTIC_LENGTH + to limit the maximum length of the PA set for a given block. + * Makefile.in: Add a dependency upon params.h for tree-ssa-pre.c + * params.def (PARAM_MAX_PARTIAL_ANTIC_LENGTH): New parameter. + +2007-11-05 Nathan Sidwell <nathan@codesourcery.com> + + * libgcc2.c (__fixunstfDI, __fixunsxfDI, __fixunsdfDI, + __fixunssfDI): Make return type unsigned. + * libgcc2.h (__fixunstfDI, __fixunsxfDI, __fixunsdfDI, + __fixunssfDI): Make return type unsigned. + +2007-11-05 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/33856 + * tree-data-ref.c (get_references_in_stmt): Don't add + REFERENCE_CLASS_P trees to references vector if get_base_address + returns NULL on them. + +2007-11-05 Alexandre Oliva <aoliva@redhat.com> + + * cfg.c (dump_cfg_bb_info): Update bb_bitnames to match enum. + +2007-11-04 Andrew Pinski <pinskia@gmail.com> + + PR middle-end/32931 + * fold-const.c (fold_binary <case EQ_EXPR>): Convert the inner type + for TRUTH_NOT_EXPR to type. + +2007-11-04 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/contrib.texi (Contributors): Add Manuel Lopez-Ibanez. + +2007-11-04 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR fortran/10220 + * dwarf2out.c (add_calling_convention_attribute): Change + second argument. Set calling convention to DW_CC_program for + Fortran main program. + (gen_subprogram_die): Adjust to new prototype for + add_calling_convention_attribute. + +2007-11-03 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/33987 + * tree-vect-transform.c (get_initial_def_for_reduction): Fix assert. + Fix indentation. + (vectorizable_reduction): Add type check. + +2007-11-03 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c/29062 + * c-parser.c (c_parser_statement_after_labels): Error if a + declaration is parsed after a label. + +2007-11-03 Daniel Jacobowitz <dan@codesourcery.com> + + PR debug/33921 + * reorg.c (emit_delay_sequence): Do not clear the locator on + the jump instruction. + +2007-11-03 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/33670 + * haifa-sched.c (ok_for_early_queue_removal): Don't walk out of the + current sched region. + +2007-11-02 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/ia64.c (struct reg_write_state): Change into + unsigned short bitfields rather than unsigned int, decrease + first_pred to just 10 bits. + (rws_insn): Change into a bitmap or if not ENABLE_CHECKING + into two char array. + (rws_insn_set, rws_insn_test): New functions. + (in_safe_group_barrier): New variable. + (rws_update): Remove first argument, always set rws_sum array. + (rws_access_regno): Use rws_insn_set macro. Only call rws_update + or update rws_sum if !in_safe_group_barrier, adjust rws_update args. + (rtx_needs_barrier): Use rws_insn_test macro. + (safe_group_barrier_needed): Don't save/restore rws_sum array, + instead set/clear in_safe_group_barrier flag. + +2007-11-02 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_expand_prologue): Put a + REG_FRAME_RELATED_EXPR note on the last insn that sets up the stack + pointer or frame pointer. + * config/xtensa/xtensa.h (DWARF_UNWIND_INFO): Delete. + (MUST_USE_SJLJ_EXCEPTIONS): Define. + (DWARF2_UNWIND_INFO): Define. + (INCOMING_RETURN_ADDR_RTX): Define. + (DWARF_FRAME_RETURN_COLUMN): Define. + +2007-11-02 Tom Tromey <tromey@redhat.com> + + * varpool.c (dump_varpool): Use 'next', not 'next_needed' when + traversing pool. + +2007-11-02 Diego Novillo <dnovillo@google.com> + + * langhooks.h (struct lang_hooks_for_callgraph): Remove third + argument from function pointer ANALYZE_EXPR. Update all users. + * cgraph.c (debug_cgraph_node): New. + (debug_cgraph): New. + +2007-11-02 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/33648 + * cfgrtl.c (cfg_layout_split_edge): Initialize BB_PARTITION of + the newly created basic block. + +2007-11-01 Richard Guenther <rguenther@suse.de> + + * ggc-page.c (extra_order_size_tab): Add bitmap_head size. + +2007-11-01 Steven Bosscher <stevenb.gcc@gmail.com> + + PR rtl-optimization/33828 + * gcse.c (compute_code_hoist_vbeinout): Fix order of computation + of VBEIN and VBEOUT. + +2007-11-01 Eric Botcazou <ebotcazou@libertysurf.fr> + + * optabs.c (prepare_cmp_insn): Merge a couple of conditional blocks. + * sched-rgn.c (compute_trg_info): Zero 'el' local variable. + * tree-if-conv.c (process_phi_nodes): Zero 'cond' local variable. + +2007-11-01 Nathan Sidwell <nathan@codesourcery.com> + + * gcc.c (getenv_spec_function): Escape the environment variable's + value. + +2007-11-01 Janis Johnson <janis187@us.ibm.com> + + * doc/invoke.texi (Optimize Options): Under -fcse-follow-jumps, + show that CSE means common subexpression elimination. Change wording + for -fsee and define LCM. Remove capitalization of optimizations + for -ftree-reassoc, -ftree-pre, and -ftree-fre. + +2007-11-01 Janis Johnson <janis187@us.ibm.com> + + PR testsuite/25352 + * doc/sourcebuild.texi (Test Directives): Document that xfail + has no effect for dg-do except when dg-do-what is "run". + +2007-11-01 Tom Tromey <tromey@redhat.com> + + * c-decl.c (grokdeclarator): Set decl source locations. + * c-parser.c (c_parser_enum_specifier): Set location. + (c_parser_struct_or_union_specifier): Likewise. + +2007-11-01 Tom Tromey <tromey@redhat.com> + + * print-tree.c (print_node): Print column number. + +2007-11-01 Jakub Jelinek <jakub@redhat.com> + + PR debug/33537 + * dwarf2out.c (gen_formal_parameter_die, gen_variable_die, + gen_decl_die): Use TREE_TYPE (TREE_TYPE (decl)) as type + rather than TREE_TYPE (decl) if DECL_BY_REFERENCE (decl). + + PR rtl-optimization/33673 + * gcse.c (cprop_jump): If a conditional jump has been optimized + into unconditional jump, make the remaining normal edge fallthru + and delete the jump insn. + +2007-11-01 Ben Elliston <bje@au.ibm.com> + + * emit-rtl.c (set_reg_attrs_from_mem): Clarify function comment. + (set_mem_attrs_from_reg): Likewise. + +2007-11-01 Michael Matz <matz@suse.de> + + PR tree-optimization/33961 + * tree-ssa-phiopt.c (struct name_to_bb.store): New member. + (name_to_bb_hash, name_to_bb_eq): Consider and check it. + (add_or_mark_expr): New argument 'store', using it to search + the hash table. + (nt_init_block): Adjust calls to add_or_mark_expr. + +2007-10-31 Jakub Jelinek <jakub@redhat.com> + + PR target/31507 + * config/i386/i386.md (pushsf_rex64): Use X instead of < constraints + for the first push_operand. + +2007-10-31 Revital Eres <eres@il.ibm.com> + + * config/rs6000/paired.md (sminv2sf3, smaxv2sf3, reduc_smax_v2sf, + reduc_smin_v2sf vec_interleave_highv2sf, vec_interleave_lowv2sf, + vec_extract_evenv2sf, vec_extract_oddv2sf, reduc_splus_v2sf, + movmisalignv2sf, vcondv2sf): New. + (UNSPEC_INTERHI_V2SF, UNSPEC_INTERLO_V2SF, UNSPEC_EXTEVEN_V2SF, + UNSPEC_EXTODD_V2SF): Define new constants. + * config/rs6000/rs6000-protos.h (paired_expand_vector_move, + paired_emit_vector_cond_expr): New. + * config/rs6000/rs6000-c.c (__PAIRED__): Add new builtin_define. + * config/rs6000/rs6000.c (paired_expand_vector_move, + paired_emit_vector_cond_expr, paired_emit_vector_compare): + New functions. + * config/rs6000/750cl.h (ASM_CPU_SPEC): Pass down -m750cl option. + +2007-10-31 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/32377 + * tree-data-ref.c (compute_overlap_steps_for_affine_univar): Make it + work also for unknown number of iterations. + (analyze_subscript_affine_affine): Clean up. Don't fail when the + number of iterations is not known. + +2007-10-31 Richard Guenther <rguenther@suse.de> + + PR middle-end/33779 + * fold-const.c (extract_muldiv_1): Make sure to not introduce + new undefined integer overflow. + (fold_binary): Avoid useless conversion. + +2007-10-31 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/33948 + * config/mips/mips.c (mips_fpr_return_fields): Fix SCALAR_TYPE_P check. + +2007-10-31 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/rs6000/rs6000.opt: Rename -mdfp option to -mhard-dfp. + + * config/s390/s390.c: (override_options): Replace + -mhard-dfp/-msoft-dfp with -mhard-dfp/-mno-hard-dfp. + * config/s390/s390.opt: Likewise. + * config/s390/s390.h: Add MASK_HARD_DFP to the TARGET_DEFAULT + definition. + +2007-10-30 Janis Johnson <janis187@us.ibm.com> + + * tree-ssa.c (execute_update_addresses_taken): Initialize update_vops. + +2007-10-30 Janis Johnson <janis187@us.ibm.com> + + * doc/invoke.texi (Option Summary): Add -fdce and -fdse to list of + optimization options. + (Optimize Options): Add -fdce and -fdse to the list of optimizations + enabled by -O. Document -fdce and -fdse. + +2007-10-30 Jakub Jelinek <jakub@redhat.com> + + PR c++/33709 + * fold-const.c (fold_binary): If one argument is COMPOUND_EXPR, + convert second operand of COMPOUND_EXPR to the original type of + that argument. + +2007-10-30 Richard Guenther <rguenther@suse.de> + + * tree-ssa-operands.c (add_vars_for_offset): Fix exit test + of loop adding SFTs as virtual operands. + +2007-10-30 Richard Guenther <rguenther@suse.de> + + * Makefile.in (dse.o): Add $(OPTABS_H) and $(RECOG_H) dependencies. + +2007-10-29 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/32893 + * tree-vectorize.c (vect_can_force_dr_alignment_p): Check + STACK_BOUNDARY instead of PREFERRED_STACK_BOUNDARY. + +2007-10-29 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * longlong.h (add_ssaaaa): Support Intel asm syntax in i386 and + x86_64 versions. + (sub_ddmmss): Likewise. + (umul_ppmm): Likewise. + (udiv_qrnnd): Likewise. + +2007-10-29 Janis Johnson <janis187@us.ibm.com> + + PR testsuite/24841 + * doc/sourcebuild.texi (Test Directives): Document that dg-require + directives must come before dg-additional-sources. + +2007-10-29 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/33723 + * c-gimplify.c (c_gimplify_expr): Optimize INIT_EXPR or + MODIFY_EXPR with non-addressable COMPOUND_LITERAL_EXPR as source. + +2007-10-29 Richard Sandiford <rsandifo@nildram.co.uk> + + PR tree-optimization/33614 + * gimplify.c (gimplify_init_constructor): Gimplify vector constructors + if they can't be reduced to VECTOR_CSTs and aren't legitimate + initializer constants. + +2007-10-29 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33870 + * tree-ssa-operands.c (add_vars_for_offset): Remove mpt_vars parameter. + (add_virtual_operand): Do not recurse into MPTs looking for pointed-to + SFTs. + +2007-10-29 Richard Guenther <rguenther@suse.de> + + * passes.c (init_optimization_passes): Exchange store_copy_prop + with copy_prop. + * tree-pass.h (pass_store_copy_prop): Remove. + * tree-ssa-copy.c (do_store_copy_prop): Remove. + (stmt_may_generate-copy): Do not handle store_copy_prop. + (get_copy_of_val): Likewise. + (set_copy_of_val): Likewise. + (copy_prop_visit_assignment): Likewise. + (copy_prop_visit_stmt): Likewise. + (copy_prop_visit_phi_node): Likewise. + (init_copy_prop): Likewise. + (execute_copy_prop): Likewise. + (do_copy_prop): Remove. + (gate_store_copy_prop): Likewise. + (store_copy_prop): Likewise. + (pass_store_copy_prop): Likewise. + (pass_copy_prop): Call execute_copy_prop. + * opts.c (decode_options): Do not set flag_tree_store_copy_prop. + * common.opt (ftree-store-copy-prop): Mark obsolete. + * doc/invoke.texi (ftree-store-copy-prop): Remove documentation. + +2007-10-29 Ian Lance Taylor <iant@google.com> + + * ifcvt.c (noce_can_store_speculate_p): New static function. + (noce_process_if_block): Call it. + (if_convert): Remove recompute_dominance parameter. Change all + callers. + +2007-10-29 Richard Guenther <rguenther@suse.de> + + * tree-flow-inline.h (get_subvar_at): Use binary search. + (get_first_overlapping_subvar): New function to binary search + for the first overlapping subvar. + * tree-ssa-operands.c (add_vars_for_offset): Strip down to + just handle adding subvars for a pointed-to subvar. Optimize + and use get_first_overlapping_subvar. + (add_vars_for_bitmap): Fold into single caller. + (add_virtual_operand): Streamline, inherit add_vars_for_bitmap + and non pointed-to bits of add_vars_for_offset. + +2007-10-29 Revital Eres <eres@il.ibm.com> + + * modulo-sched.c (sms_schedule): Add DF_UD_CHAIN problem. + +2007-10-29 Razya Ladelsky <razya@il.ibm.com> + Zdenek Dvorak <ook@ucw.cz> + + OMP_ATOMIC Changes, + reduction support for automatic parallelization. + + * expr.c (expand_expr_real_1): Add cases for OMP_ATOMIC_LOAD, + OMP_ATOMIC_STORE. + * Makefile.in: Add dependencies to expr.o, tree-parloops.o, omp-low.o + * tree-pretty-print.c (dump_generic_node): Add OMP_ATOMIC_LOAD + and OMP_ATOMIC_STORE. + * tree.h (OMP_DIRECTIVE_P): Add OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE. + * gimple-low.c (lower_stmt): Same. + * gimplify.c (gimplify_expr): Same. + (gimplify_omp_atomic_fetch_op, gimplify_omp_atomic_pipeline, + gimplify_omp_atomic_mutex): Remove. + (gimplify_omp_atomic): Change it to simply gimplify the + statement instead of expanding it. + * omp-low.c: Add includes to optabs.h, cfgloop.h. + (expand_omp_atomic, expand_omp_atomic_pipeline, + goa_stabilize_expr, expand_omp_atomic_mutex, + expand_omp_atomic_fetch_op): New functions to implement + expansion of OMP_ATOMIC. + (expand_omp, build_omp_regions_1): Add support for + OMP_ATOMIC_LOAD/OMP_ATOMIC_STORE. + * tree-cfg.c (make_edges): add case for OMP_ATOMIC_LOAD, + OMP_ATOMIC_STORE. + * tree-gimple.c (is_gimple_stmt): Add OMP_ATOMIC_LOAD, + OMP_ATOMIC_STORE. + * tree-parloops.c: add include to tree-vectorizer.h. + (reduction_info): New structure for reduction. + (reduction_list): New list to represent list of reductions per loop. + (struct data_arg): New helper structure for reduction. + (reduction_info_hash, reduction_info_eq, reduction_phi, + initialize_reductions, create_call_for_reduction, + create_phi_for_local_result, create_call_for_reduction_1, + create_loads_for_reductions, create_final_loads_for_reduction): + New functions. + (loop_parallel_p): Identify reductions, add reduction_list parameter. + (separate_decls_in_loop_name): Support reduction variables. + (separate_decls_in_loop): Add reduction_list and ld_st_data arguments, + call create_loads_for_reduction for each reduction. + (canonicalize_loop_ivs): Identify reductions, add reduction_list + parameter. + (transform_to_exit_first_loop): Add reduction support, add + reduction_list parameter. + (gen_parallel_loop): Add reduction_list parameter. Add call + separate_decls_in_loop with + the new argument. Traverse reductions and call + initialize_reductions, create_call_for_reduction. + (parallelize_loops): Create and delete the reduction list. + (add_field_for_name): Change use of data parameter. Add fields for + reductions. + * tree-vectorizer.h (vect_analyze_loop_form): Add declaration. + * tree-vect-analyze.c (vect_analyze_loop_form): export it. + * tree.def: Add definitions for OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE. + * tree-inline.c (estimate_num_insns_1): add cases for + OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE. + * tree-cfg.c (make_edges): Add OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE. + * tree-ssa-operands.c (get_addr_dereference_operands): + New function. Subroutine of get_indirect_ref_operands. + (get_indirect_ref_operands): Call get_addr_dereference_operands. + (get_expr_operands): Support OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE. + + +2007-10-29 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c: Include df.h. + (cris_address_cost): Add gcc_assert for canonicalization + assumptions. For PLUS with MULT or register, correct + test for register in other arm. Tweak comments. + +2007-10-28 Richard Guenther <rguenther@suse.de> + + * tree-ssa-operands.c (add_vars_for_offset): Add parameter + telling if the var is to be treated as points-to location. + (add_vars_for_bitmap): Pass true to add_vars_for_offset. + (add_virtual_operand): Only recurse into MPTs if aliases + is from a NMT. + +2007-10-28 Richard Guenther <rguenther@suse.de> + + * tree-ssa-operands.c (add_vars_for_offset): Clean and speed up. + (add_vars_for_bitmap): Do not recurse further. Only add vars + for pointed-to SFTs. + (add_virtual_operand): Re-instantiate loop to add operands for + aliases. Recurse into MPTs. + (get_indirect_ref_operands): If we fall back to use a pointers + SMT, make sure to not prune based on the access offset and size. + +2007-10-28 Andrew Pinski <pinskia@gmail.com> + + PR tree-opt/33589 + * tree-outof-ssa.c (rewrite_trees): If the statement changed, cleanup + the eh information on the statement. + +2007-10-28 Richard Guenther <rguenther@suse.de> + + * tree-flow.h (subvar_t): Make it a VEC. + (struct subvar): Remove. + (struct var_ann_d): Use VEC(tree,gc) to store subvars. + * tree-flow-inline.h (get_subvar_at): Adjust iterators over + variable subvars. + * tree-into-ssa.c (mark_sym_for_renaming): Likewise. + * tree-nrv.c (dest_safe_for_nrv_p): Likewise. + * tree-ssa-alias.c (mark_aliases_call_clobbered): Likewise. + (set_initial_properties): Likewise. + (setup_pointers_and_addressables): Likewise. + (new_type_alias): Likewise. + (create_overlap_variables_for): Likewise. + * tree-dfa.c (dump_subvars_for): Likewise. + * tree-ssa-operands.c (add_vars_for_offset): Likewise. + (get_expr_operands): Likewise. + (add_to_addressable_set): Likewise. + * tree-ssa-structalias.c (set_uids_in_ptset): Likewise. + +2007-10-28 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/33920 + * tree-if-conv.c (tree_if_conversion): Force predicate of single + successor bb to true when predecessor bb has NULL predicate. + (find_phi_replacement_condition): Assert that tmp_cond is non-null. + +2007-10-28 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.md: Add combiner patterns for DImode extensions + of HImode and QImode truncations. Reformat HImode <- QImode pattern + for consistency. + +2007-10-28 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/33895 + * config/mips/mips.c (mips_output_dwarf_dtprel): Add ATTRIBUTE_UNUSED. + +2007-10-28 Andreas Krebbel <krebbel1@de.ibm.com> + + * dce.c (delete_unmarked_insns): Just delete the RETVAL and + LIBCALL notes if they are about to be moved to the same insn. + +2007-10-27 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33870 + * tree-ssa-operands.c (add_vars_for_offset): Reduce code + duplication. Remove redundant call to access_can_touch_variable. + (add_vars_for_bitmap): New helper for recursing over MPT contents. + (add_virtual_operand): Use it. + +2007-10-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR fortran/31608 + * pa.h (ASM_PN_FORMAT): Delete define. + +2007-10-26 Janis Johnson <janis187@us.ibm.com> + + * doc/invoke.texi (Option Summary, optimizations): Remove + -fbounds-check. Add -fassociative-math, -freciprocal-math, + -ftree-vrp and -funit-at-a-time. Change -fno-split-wide-types to + -fsplit-wide-types to match later entry. Break up a long line. + (Option Summary, code gen options) Add -fno-stack-limit. Add + missing @gol to the end of a line. + (Optimization Options): Remove -fbounds-check, which is also + documented under Code Generation Options. Remove =n from + index entry for -ftree-parallelize-loops. Change -fno-cprop-registers + to -fcprop-registers to match other options, and say when it is + enabled rather than disabled. Remove extra index entry for + -fno-cx-limited-range. Add index entries for -fstack-protector + and -fstack-protector-all. + (Code Gen Options): Add index entry for -ftls-model. + +2007-10-26 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_OS_task_function_p): Add new function. + (avr_regs_to_save): Handle functions with 'OS_task' attribute. + (avr_simple_epilogue, expand_prologue, avr_asm_function_end_prologue, + expand_epilogue, output_movhi): Don't handle 'main' function. + (avr_attribute_table): Add 'OS_task' function attribute. + * config/avr/avr.h (machine_function): Remove 'is_main' field, add + 'is_OS_task' field. + * config/avr/avr.md (return_from_main_epilogue): Remove insn. + (return_from_epilogue, return_from_interrupt_epilogue): Don't handle + 'main' function. + * config/avr/avr.opt (minit-stack): Remove. + +2007-10-26 Eric Botcazou <ebotcazou@adacore.com> + + * tree-nested.c (get_trampoline_type): Fix thinko. + +2007-10-26 Douglas Gregor <doug.gregor@gmail.com> + + PR c++/33601 + * tree.c (build_offset_type): Build canonical type based on the + TYPE_MAIN_VARIANT of the base type. + +2007-10-26 Daniel Jacobowitz <dan@codesourcery.com> + + * reorg.c (emit_delay_sequence): Move insn locator from the + first insn to the sequence. + +2007-10-26 Samuel Tardieu <sam@rfc1149.net> + + * ipa-pure-const.c (check_decl): Return immediately when + pure_const_state has been set to IPA_NEITHER. + +2007-10-25 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/33833 + * tree-vect-analyze.c (vect_analyze_data_refs): Use POINTER_PLUS_EXPR + and convert init to sizetype in inner_base construction. + +2007-10-25 Richard Guenther <rguenther@suse.de> + + * tree-flow.h (mem_sym_stats): Remove. + (dump_mem_sym_stats_for_var): Declare. + * tree-dfa.c (dump_variable): Call dump_mem_sym_stats_for_var. + (mem_sym_stats): Move ... + * tree-ssa-alias.c (mem_sym_stats): ... here and make it static. + (mem_sym_score): Rename from ... + (pscore): ... this. Remove. + (dump_mem_sym_stats_for_var): New function. Dump the score, but + not the frequencies. + (compare_mp_info_entries): Make sort stable by disambiguating + on DECL_UID. + +2007-10-25 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/33866 + * tree-vect-transform.c (vectorizable_store): Check operands of all + the stmts in the group of strided accesses. Get def stmt type for each + store in the group and pass it to vect_get_vec_def_for_stmt_copy (). + +2007-10-25 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/constraints.md (Y0): Rename register constraint to Yz. + (Yt): Rename register constraint to Y2. + * config/i386/sse.md: Use renamed register constraints. + * config/i386/mmx.md: Ditto. + * config/i386/i386.md: Ditto. + +2007-10-25 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * config/i386/i386.md (*dummy_extendsfdf2): Fix operand 1 constraint. + +2007-10-24 Chao-ying Fu <fu@mips.com> + + * dwarf2out.c (base_type_die): Use DW_ATE_unsigned_fixed or + DW_ATE_signed_fixed to describe FIXED_POINT_TYPE. + +2007-10-24 Samuel Tardieu <sam@rfc1149.net> + Olga Golovanevsky <olga@il.ibm.com> + + * ipa-struct-reorg.c (replace_field_acc): Make it clear to + the compiler that wr.wrap and wr.domain are initialized in + any case. + +2007-10-24 Samuel Tardieu <sam@rfc1149.net> + + * ipa-struct-reorg.c (sum_counts): Use HOST_WIDEST_PRINT_DEC + to print gcov_type values. + +2007-10-24 Eric B. Weddington <eweddington@cso.atmel.com> + + * config/avr/avr.h: Do not include progmem_section definition when + building with IN_TARGET_LIBS. + +2007-10-24 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/33755 + * config/mips/mips.c (mips_lo_sum_offset): New structure. + (mips_hash_base, mips_lo_sum_offset_hash, mips_lo_sum_offset_eq) + (mips_lo_sum_offset_lookup, mips_record_lo_sum) + (mips_orphaned_high_part_p: New functions. + (mips_avoid_hazard): Don't check INSN_P here. + (mips_avoid_hazards): Rename to... + (mips_reorg_process_insns): ...this. Cope with + !TARGET_EXPLICIT_RELOCS. Delete orphaned high-part relocations, + or turn them into nops. + (mips_reorg): Remove TARGET_EXPLICIT_RELOCS check from calls to + dbr_schedule and mips_avoid_hazards/mips_reorg_process_insns. + (mips_set_mips16_mode): Don't set flag_delayed_branch here. + (mips_override_options): Set flag_delayed_branch to 0. + +2007-10-24 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.h (MOVE_MAX): Use UNITS_PER_WORD and describe + MIPS-specific implementation details. + (MIPS_MAX_MOVE_BYTES_PER_LOOP_ITER): New macro. + (MIPS_MAX_MOVE_BYTES_STRAIGHT): Likewise. + (MOVE_RATIO): Define to MIPS_MAX_MOVE_BYTES_STRAIGHT / UNITS_PER_WORD + for targets with movmemsi. + (MOVE_BY_PIECES_P): Define. + * config/mips/mips.c (MAX_MOVE_REGS, MAX_MOVE_BYTES): Delete. + (mips_block_move_loop): Add a bytes_per_iter argument. + (mips_expand_block_move): Use MIPS_MAX_MOVE_BYTES_STRAIGHT. + Update call to mips_block_move_loop. + +2007-10-24 Michael Matz <matz@suse.de> + + PR debug/33868 + * var-tracking.c (variable_union): Don't break after one loop + iteration but only when a difference is found. + (dump_variable): Also print DECL_UID. + +2007-10-24 Olga Golovanevsky <olga@il.ibm.com> + + * ipa-type-escape.h: Expose function + is_array_access_through_pointer_and_index. + * ipa-type-escape.c + (is_array_access_through_pointer_and_index): + Add three new parameters. Add support of + POINTER_PLUS_EXPR tree code. + +2007-10-24 Olga Golovanevsky <olga@il.ibm.com> + + * ipa-struct-reorg.c, ipa-struct-reorg.h: New files. + * tree-pass.h: Add pass_ipa_struct_reorg. + * common.opt: Add ipa-struct-reorg flag. + * Makefile.in: Add ipa-strcut-reorg.o compilation. + * passes.c: Add pass pass_ipa_struct_reorg. + * params.h: Add STRUCT_REORG_COLD_STRUCT_RATIO. + * params.def: Add PARAM_STRUCT_REORG_COLD_STRUCT_RATIO. + +2007-10-24 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/33804 + * tree-vect-transform.c (vectorizable_operation): Remove the + checks that the vectorization is worthwhile from the transformation + phase. + +2007-10-24 Ira Rosen <irar@il.ibm.com> + + * tree-vect-analyze.c (vect_build_slp_tree): Return false if + vectype cannot be determined for the scalar type. + (vect_analyze_slp_instance): Likewise. + * tree-vect-transform.c (vect_model_reduction_cost): Change the + return type to bool. Return false if vectype cannot be determined + for the scalar type. + (vect_get_constant_vectors): Return false if vectype cannot be + determined for the scalar type. + (get_initial_def_for_induction, vect_get_vec_def_for_operand, + get_initial_def_for_reduction, vect_create_epilog_for_reduction, + vectorizable_reduction): Likewise. + +2007-10-23 Craig Rodrigues <rodrigc@gcc.gnu.org> + + * config.gcc: For a FreeBSD target, parse the value of ${target} + to determine the value of FBSD_MAJOR, instead of adding an + explicit check for every possible FreeBSD major version. + +2007-10-23 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/33846 + * combine.c (simplify_shift_const_1) [NOT]: Skip vector modes. + +2007-10-23 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/33860 + * tree-vect-transform.c (vect_analyze_data_ref_access): Don't allow + interleaved accesses in case the dr is inside the inner-loop during + outer-loop vectorization. + +2007-10-23 Eric Botcazou <ebotcazou@libertysurf.fr> + + * doc/rtl.texi (Flags): Fix MEM_SCALAR_P entry. + Document MEM_POINTER. Replace mentions of "integrated" + field with "return_val". Delete outdated stuff. + +2007-10-23 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_override_options): Set + rs6000_altivec_abi on AIX. + (conditional_register_usage): Set VR20:31 fixed on AIX. + +2007-10-23 Richard Guenther <rguenther@suse.de> + + * alias.c (get_alias_set): For INDIRECT_REFs, deal with + SSA_NAME pointers. + +2007-10-22 Seongbae Park <seongbae.park@gmail.com> + David S. Miller <davem@davemloft.net> + + * df-scan.c (df_get_call_refs): Mark global registers as both a + DF_REF_REG_USE and a non-clobber DF_REF_REG_DEF. + +2007-10-22 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/33834 + PR tree-optimization/33835 + * tree-vect-analyze.c (vect_analyze_operations): RELEVANT and LIVE + stmts need to be checked for success seperately. + * tree-vect-transform.c (vectorizable_call, vectorizable_conversion): + Remove the check that stmt is not LIVE. + (vectorizable_assignment, vectorizable_induction): Likewise. + (vectorizable_operation, vectorizable_type_demotion): Likewise. + (vectorizable_type_promotion, vectorizable_load, vectorizable_store): + Likewise. + (vectorizable_live_operation): Check that op is not NULL. + +2007-10-22 Janis Johnson <janis187@us.ibm.com> + + * doc/invoke.texi (Optimization Options): In the summary, show + that the value for options -falign-jumps, -falign-labels, + -falign-loops, -falign-functions, -fsched-stalled-insns, and + -fsched-stalled-insns-dep is optional. In the summary, show that + -fsched-stalled-insns takes an optional argument and that + -fparallelize-loops takes an argument. Add opindex for several + optimization options, and fix typos in the opindex commands for + several others. In the descriptions for -fsched-stalled-insns + and -fsched-stalled-insns-dep, show the options with and without + values. + +2007-10-22 Eric B. Weddington <eweddington@cso.atmel.com> + + * config/avr/avr.c (avr_mcu_types): Remove ATmega603 which was never + produced. + * config/avr/avr.h (LINK_SPEC): Likewise. + (CRT_BINUTILS_SPECS): Likewsie. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2007-10-22 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/33644 + * cfgcleanup.c: Do not include dce.h. + * cfgrtl.c (delete_insn_chain_and_edges): Resurrect. + * combine.c (distribute_notes): Delete REG_LIBCALL_ID case. + * dce.c (something_changed): Delete. + (libcall_dead_p): New predicate. + (delete_unmarked_insns): Use it to delete dead libcalls. + Deal with REG_LIBCALL and REG_RETVAL notes. + (prescan_libcall_for_dce): New function. + (prescan_insns_for_dce): Use it to deal with libcalls. + (mark_reg_dependencies): Do nothing special for libcalls. + (dce_process_block): Likewise. + (fast_dce): Delete unused local variable. + (run_fast_dce): Do not return a value. + * dce.h (struct df): Delete. + (run_fast_dce): Adjust prototype. + * optabs.c (libcall_id): Delete. + (maybe_encapsulate_block): Do not emit REG_LIBCALL_ID notes. + (emit_no_conflict_block): Do not look for REG_LIBCALL_ID notes. + * reload1.c (reload): Delete REG_LIBCALL_ID case. + * rtl.h (delete_insn_chain_and_edges): Resurrect prototype. + * see.c (see_update_relevancy): Look for REG_LIBCALL and REG_RETVAL + notes instead of REG_LIBCALL_ID notes. + * reg-notes.def (LIBCALL_ID): Delete. + * Makefile.in (see.o): Add dce.h dependency. + (cfgcleanup.o): Remove dce.h dependency. + +2007-10-22 Michael Matz <matz@suse.de> + + PR tree-optimization/33855 + * tree-ssa-phiopt.c (cond_store_replacement): Handle COMPLEX_TYPE + and VECTOR_TYPE. + +2007-10-22 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/33854 + * tree-vect-analyze.c (vect_determine_vectorization_factor): Add + FLOAT_EXPR to the list of promotion operations. + +2007-10-22 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/29473 + PR target/29493 + * config/i386/i386.c (output_pic_addr_const): Support Intel asm syntax. + (print_reg): Print register prefix only with AT&T asm syntax. + Support pc_rtx for RIP register. + (print_operand_address): Use print_reg()'s pc_rtx support for RIP + relative addressing. Always print segment register prefix with AT&T + asm syntax and never with Intel asm syntax. + (print_operand): Suppress 'XXX PTR' prefix for BLKmode operands. + Fix prefix for 16-byte XFmode operands. + (output_addr_const_extra): Support Intel asm syntax. + (x86_file_start): Don't use register prefix with Intel asm syntax. + * config/i386/i386.md ("*zero_extendqihi2_movzbl"): Fix typo. + ("return_internal_long"): Fix Intel asm syntax output. + ("set_got_rex64"): Support Intel asm syntax. + ("set_rip_rex64"): Likewise. + ("set_got_offset_rex64"): Likewise. + ("*sibcall_1_rex64_v"): Print register prefix only with AT&T asm + syntax. + ("*tls_global_dynamic_64"): Likewise. + ("*tls_local_dynamic_base_64"): Likewise. + ("*load_tp_si")("*load_tp_di"): Likewise. + ("*add_tp_si")("*add_tp_di"): Likewise. + ("*tls_dynamic_lea_64"): Likewise. + ("*sibcall_value_1_rex64_v"): Likewise. + ("stack_tls_protect_set_si"): Likewise. + ("stack_tls_protect_set_di"): Likewise. + ("stack_tls_protect_test_si"): Likewise. + ("stack_tls_protect_test_di"): Likewise. + * config/i386/mmx.md ("*mov<mode>_internal_rex64"): Fix Intel asm + syntax output. + ("*movv2sf_internal_rex64"): Likewise. + * config/i386/cpuid.h (__cpuid): Support Intel asm syntax. + (__get_cpuid_max): Likewise. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips-protos.h (mips_regno_mode_ok_for_base_p): Give + the STRICT_P argument type "bool" rather than "int". + (mips_legitimate_address_p): Likewise. + (fp_register_operand, lo_operand): Delete. + (mips_subword): Give the HIGH_P argument type "bool" rather than "int". + (mips_emit_scc): Rename to... + (mips_expand_scc): ...this. + (gen_conditional_branch): Rename to... + (mips_expand_conditional_branch): ...this. + (gen_conditional_move): Rename to... + (mips_expand_conditional_move): ...this. + (mips_gen_conditional_trap): Rename to... + (mips_expand_conditional_trap): ...this and take an rtx code instead + of an operands array. + (mips_expand_call): Give the SIBCALL_P argument type "bool" + rather than "int". + (mips_emit_fcc_reload): Rename to... + (mips_expand_fcc_reload): ...this. + (init_cumulative_args): Rename to... + (mips_init_cumulative_args): ...this and remove the libname argument. + (function_arg_advance): Rename to... + (mips_function_arg_advance): ...this. + (function_arg): Rename to... + (mips_function_arg): ...this and use "rtx" instead of + "struct rtx_def *". + (function_arg_boundary): Rename to... + (mips_function_arg_boundary): ...this. + (mips_expand_unaligned_load): Rename to... + (mips_expand_ext_as_unaligned_load): ...this and give the WIDTH + and BITPOS arguments type "HOST_WIDE_INT". + (mips_expand_unaligned_store): Rename to... + (mips_expand_ins_as_unaligned_store): ...this and give the WIDTH + and BITPOS arguments type "HOST_WIDE_INT". + (override_options): Rename to... + (mips_override_options): ...this. + (print_operand): Rename to... + (mips_print_operand): ...this. + (print_operand_address): Rename to... + (mips_print_operand_address): ...this. + (mips_output_ascii): Remove the PREFIX argument. + (mips_expand_epilogue): Give the SIBCALL_P argument type "bool" + rather than "int". + (mips_can_use_return_insn): Return a "bool" rather than an "int". + (mips_function_value): Remove the FUNC argument. Use "rtx" instead + of "struct rtx_def *". + (mips_secondary_reload_class): Give the IN_P argument type "bool" + rather than "int". + (build_mips16_call_stub): Delete. + (mips_store_data_bypass_p): Return a "bool" rather than an "int". + (mips_use_ins_ext_p): Give the second and third arguments type + "HOST_WIDE_INT" rather than "rtx". + * config/mips/mips.h: Update after the above changes. Tweak comments + and formatting. + (SECONDARY_INPUT_RELOAD_CLASS): Pass a boolean IN_P argument. + (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise. + (mips_print_operand_punct, mips_hard_regno_mode_ok): Change the + element type from "char" to "bool". + (mips_section_threshold, sym_lineno, set_noat, mips_branch_likely) + (mips_cpu_info_table): Delete. + * config/mips/mips.md: Update after the above changes. Tweak some + formatting. + * config/mips/mips-ps-3d.md: Likewise. + * config/mips/mips.c: Tweak comments and formatting. + Use NULL-like macros rather than 0 in various places. + (mips_section_threshold): Rename to... + (mips_small_data_threshold): ...this and give it an unsigned type. + (num_source_filenames): Remove explicit initialization. + (sdb_label_count): Likewise. + (sym_lineno): Delete. + (set_noat): Make static. + (mips_branch_likely): Likewise, and give it type "bool". + (mips_isa_info): Rename to... + (mips_isa_option_info): ...this. + (mips_flag_delayed_branch): Rename to... + (mips_base_delayed_branch): ...this. + (mips_split_addresses): Delete. + (mips_print_operand_punct, mips_hard_regno_mode_ok): Change the + element type from "char" to "bool". + (mips_regno_to_class): Add an explicit array size. + (mips16_flipper): Change from type "int" to type "bool". + (mips_comp_type_attributes): Remove redundant FUNCTION_TYPE check. + (mips_tls_operand_p): Rename to... + (mips_tls_symbol_p): ...this. + (mips_global_symbol_p): Remove redundant "const". + (mips_offset_within_alignment_p): Simplify. + (mips_regno_mode_ok_for_base_p): Change the name of the last argument + to STRICT_P and give it type bool. + (mips_valid_base_register_p): Likewise. + (mips_classify_address): Likewise. + (mips_legitimate_address_p): Likewise. + (mips16_unextended_reference_p): Take the offset as an + "unsigned HOST_WIDE_INT" rather than an "rtx". Simplify. + (mips_const_insns): Use IN_RANGE. + (mips_force_temporary): Remove an unnecessary copy_rtx. + (mips16_gp_pseudo_reg): Simplify. + (mips_split_symbol): Remove an unnecessary copy_rtx. + (mips_legitimize_tls_address): Only create registers if we need them. + (mips_legitimize_address): Use mips_split_plus. + (mips_move_integer): Swap DEST and TEMP arguments. Rename local + variable COST to NUM_OPS. + (mips_legitimize_move): Use gen_lowpart. + (mips_rewrite_small_data): Rename the OP parameter to PATTERN. + (m16_check_op): Use IN_RANGE. + (mips_subword): Give the HIGH_P argument type "bool" rather than "int". + (mips_split_doubleword_move): Pass booleans to mips_subword. + (mips_output_move): Store the mode in a local variable. + Explicitly assert that this function does not deal with + MFLO and MFHI. Use SMALL_OPERAND_UNSIGNED. Make order of + cases more consistent. + (mips_relational_operand_ok_p): Rename to... + (mips_int_order_operand_ok_p): ...this. + (mips_canonicalize_comparison): Rename to... + (mips_canonicalize_int_order_test): ...this. + (mips_emit_int_relational): Rename to... + (mips_emit_int_order_test): ...this. Store the mode in a local + variable. + (mips_reverse_fp_cond_p): Rename to... + (mips_reversed_fp_cond): ...this. + (mips_emit_compare): Make the order of the statements more consistent. + (mips_emit_scc): Rename to... + (mips_expand_scc): ...this. + (gen_conditional_branch): Rename to... + (mips_expand_conditional_branch): ...this. + (gen_conditional_move): Rename to... + (mips_expand_conditional_move): ...this. Build the condition + separately from the main pattern. + (mips_gen_conditional_trap): Rename to... + (mips_expand_conditional_trap): ...this and take an rtx code instead + of an operands array. Simplify. + (init_cumulative_args): Rename to... + (mips_init_cumulative_args): ...this. Use memset rather than a + copy from a zeroed static. Use prototype_p and stdarg_p. + (mips_arg_info): Rename to... + (mips_get_arg_info): ...this and put the INFO argument first. + (function_arg): Rename to... + (mips_function_arg): ...this and use "rtx" instead of + "struct rtx_def *". Only split structures into chunks if + TARGET_HARD_FLOAT, rather than checking !TARGET_SOFT_FLOAT on + a chunk-by-chunk basis. Use SCALAR_FLOAT_TYPE_P instead of a + comparison with REAL_TYPE. Rename local variable REG to REGNO + and make it unsigned. + (function_arg_advance): Rename to... + (mips_function_arg_advance): ...this. + (function_arg_boundary): Rename to... + (mips_function_arg_boundary): ...this. + (mips_pad_arg_upward): Use SCALAR_INT_MODE_P instead of a comparison + with MODE_INT. + (mips_fpr_return_fields): Use SCALAR_FLOAT_TYPE_P instead of a + comparison with REAL_TYPE. + (mips_function_value): Remove the FUNC argument. Rename local + variable UNSIGNEDP to UNSIGNED_P. + (mips_return_in_memory): Use IN_RANGE. + (mips_setup_incoming_varargs): Pass a boolean rather than an int + to FUNCTION_ARG_ADVANCE. + (mips_gimplify_va_arg_expr): Rename local variable INDIRECT + to INDIRECT_P. Remove a redundant mips_abi check. Only calculate + SIZE and RSIZE if needed. + (mips16_stub): Rename FPRET to FP_RET_P and give it type "bool" + rather than "int". + (build_mips16_function_stub): Rename to... + (mips16_build_function_stub): ...this. + (build_mips16_call_stub): Rename to... + (mips16_build_call_stub): ...this. Make static, and return a + "bool" rather than an "int". Rename the ARG_SIZE argument to + ARGS_SIZE. Rename the local variable FPRET to FP_RET_P and give + it type "bool". Use "jr" rather than "j". Use XNEW. Simplify. + (mips_load_call_address): Give the SIBCALL_P argument type "bool" + rather than "int". + (mips_expand_call): Likewise. Assert that MIPS16 calls via stubs + are not sibling ones. + (mips_emit_fcc_reload): Rename to... + (mips_expand_fcc_reload): ...this. + (mips_get_unaligned_mem): Give the WIDTH and BITPOS arguments type + "HOST_WIDE_INT". + (mips_expand_unaligned_load): Rename to... + (mips_expand_ext_as_unaligned_load): ...this and give the WIDTH + and BITPOS arguments type "HOST_WIDE_INT". Remove redundant + SUBREG_BYTE check. + (mips_expand_unaligned_store): Rename to... + (mips_expand_ins_as_unaligned_store): ...this and give the WIDTH + and BITPOS arguments type "HOST_WIDE_INT". + (mips_use_ins_ext_p): Rename second and third arguments to WIDTH + and BITPOS and give them type "HOST_WIDE_INT" rather than "rtx". + Use IN_RANGE. + (mips_init_split_addresses): Replace with... + (mips_split_addresses_p): ...this new function. + (mips_init_relocs): Check mips_split_addresses_p () rather than + mips_split_addresses. Always initialize mips_split_p with booleans. + (print_operand_reloc): Rename to... + (mips_print_operand_reloc): ...this. Use a gcc_assert rather than + a fatal_error. + (print_operand): Rename to... + (mips_print_operand): ...this. + (print_operand_address): Rename to... + (mips_print_operand_address): ...this. Use GP_REG_FIRST. + (mips_in_small_data_p): Simplify. + (mips_output_ascii): Remove the PREFIX argument and "register" + keywords. Use the STRING parameter directly and cast to + "unsigned char". + (mips16e_collect_argument_save_p): Use IN_RANGE. + (mips_function_has_gp_insn): Simplify. + (mips_set_return_address): Use BITSET_P. + (mips_restore_gp): Use a separate statement to pick the base + register. + (mips_output_function_prologue): Use a local FRAME variable. + (mips_save_reg): Pass booleans to mips_subword. + (mips_expand_prologue): Use a local FRAME variable. Use + cprestore_size to detect when .cprestore is needed. + (mips_restore_reg): Use GP_REG_FIRST. + (mips_expand_epilogue): Give the SIBCALL_P argument type "bool" + rather than "int". Use local FRAME and REGNO variables. + (mips_can_use_return_insn): Return a "bool" rather than an "int". + (mips_secondary_reload_class): Give the IN_P argument type "bool" + rather than "int". + (mips_linked_madd_p): Rename arguments to OUT_INSN and IN_INSN. + (mips_store_data_bypass_p): Return a "bool" rather than an "int". + (vr4130_swap_insns_p): Rename local variables to DEP1_P and DEP2_P. + (mips_74k_agen_init): Assume INSN satisfies USEFUL_INSN_P. + (mips_variable_issue): Do nothing unless INSN satisfies USEFUL_INSN_P. + (builtin_description): Rename to... + (mips_builtin_description): ...this. + (mips_bdesc): Rename to... + (mips_ps_bdesc): ...this. + (sb1_bdesc): Rename to... + (mips_sb1_bdesc): ...this. + (dsp_bdesc): Rename to... + (mips_dsp_bdesc): ...this. + (dsp_32only_bdesc): Rename to... + (mips_dsp_32only_bdesc): ...this. + (bdesc_map): Rename to... + (mips_bdesc_map): ...this. + (bdesc_arrays): Rename to... + (mips_bdesc_arrays): ...this. + (mips_prepare_builtin_arg): Rename OP to OPNO and ARGNUM to ARGNO. + Tweak error message. + (mips_expand_builtin_direct): Rename HAS_TARGET to HAS_TARGET_P. + Rename local variables I and J to OPNO and ARGNO respectively. + Assert that the number of arguments is no more than the number of + input operands. + (mips_expand_builtin_compare): Use an array of arguments rather + than an array of operands. Assert that the number of operands is + as expected. + (add_constant): Rename to... + (mips16_add_constant): ...this. Use XNEW. + (dump_constants_1): Rename to... + (mips16_emit_constants_1): ...this. Use ALL_SCALAR_FIXED_POINT_MODE_P. + (dump_constants): Rename to... + (mips16_emit_constants): ...this. + (mips_sim_wait_reg, mips_sim_record_set): Use END_REGNO. + (mips_set_mips16_mode): Don't call mips_init_split_addresses. + Assign mips16_p to was_mips16_p. + (mips_parse_cpu): Tweak warning message. + (override_options): Rename to... + (mips_override_options): ...this. Move the mips_cost initialization + out of the "shared with GAS" block. Quote option names in error + messages. + (mips_conditional_register_usage): Make local variable REGNO unsigned. + (mips_order_regs_for_local_alloc): Remove register keyword. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * system.h (IN_RANGE): Cast each argument individually. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_set_mips16_mode) Say sorry for hard-float + MIPS16 code unless using o32 or o64. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_cannot_change_mode_class): Don't check + for modes smaller than 4 bytes. + * config/mips/mips.md (*movhi_internal, *movqi_internal): Remove + FPR alternatives. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips-protos.h (mips_output_aligned_bss): Delete. + * config/mips/linux.h (BSS_SECTION_ASM_OP): Delete. + (ASM_OUTPUT_ALIGNED_BSS): Delete. + * config/mips/mips.c (mips_output_aligned_bss): Delete. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_function_ok_for_sibcall): Only forbid + sibling calls to "mips16" functions if the function satisfies + const_call_insn_operand. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_va_start): Fix types in calls + to build_int_cst. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_rtx_costs): Only recognize reciprocals + if ISA_HAS_FP4. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.h (ISA_HAS_LDC1_SDC1): New macro. + * config/mips/mips.c (mips_split_64bit_move_p): Use ISA_HAS_LDC1_SDC1 + instead of checking mips_isa. + +2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * doc/invoke.texi (-mpaired-single): Don't say that the option + requires 64-bit code. + * config/mips/mips-protos.h (mips_modes_tieable_p): Declare. + * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): New macro. + (ISA_HAS_NMADD_NMSUB): Add a mode argument. Return true for + V2SF if ISA_MIPS32R2. + (MODES_TIEABLE_P): Use mips_modes_tieable_p. + * config/mips/mips.c (mips_rtx_costs): Pass a mode argument + to ISA_HAS_NMADD_NMSUB. + (mips_split_doubleword_move): Handle V2SF. + (mips_modes_tieable_p): New function. + (override_options): Report a warning rather than an error when + -mpaired-single is used on ISAs that don't support it; use + ISA_HAS_PAIRED_SINGLE to check that case. + * config/mips/mips.md (MOVE64): New mode iterator. Replace DI + and DF move splitters with a single MOVE64 splitter, thereby adding + a V2SF splitter too. + (SPLITF): Add TARGET_DOUBLE_FLOAT conditions to DI and DF. + Add a TARGET_FLOAT64 condition to TF. Add V2SF to the iterator. + (HALFMODE): Add V2SF. + (*nmadd<mode>, *nmadd<mode>_fastmath, *nmsub<mode>) + (*nmsub<mode>_fastmath): Add a mode argument to ISA_HAS_NMADD_NMSUB. + (movv2sf_hardfloat_64bit): Tweak ordering of conditions. + (movv2sf_hardfloat_32bit): New pattern. + (load_low<mode>, load_high<mode>, store_word<mode>): Remove + TARGET_DOUBLE_FLOAT conditions. + +2007-10-20 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Point + saved CR2 offset to low 32 bits of regs->ccr rather than the whole + 64-bit register in 64-bit libgcc. + +2007-10-20 Eric B. Weddington <eweddington@cso.atmel.com> + + * config/avr/avr.c (avr_mcu_types): Add at90pwm2b, at90pwm3b. + * config/avr/avr.h (LINK_SPEC): Likewise. + (CRT_BINUTILS_SPECS): Likewsie. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2007-10-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * doc/invoke.texi (Warning Options): Move -w, -Werror, -Werror= + and -Wfatal-errors together. + +2007-10-20 Alan Modra <amodra@bigpond.net.au> + + PR target/33812 + * config/rs6000/rs6000.c (rs6000_emit_epilogue): Revert 2007-05-16 + change for vrsave, ie restore after frame pop. + +2007-10-19 David S. Miller <davem@davemloft.net> + + * config/sparc/niagara2.md: Fix copyright notice. + +2007-10-19 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/23820 + PR tree-optimization/24309 + PR tree-optimization/33766 + * testsuite/gcc.dg/tree-ssa/pr23820.c: New. + * testsuite/gcc.dg/tree-ssa/pr24309.c: New. + * testsuite/gcc.dg/tree-ssa/pr33766.c: New. + * testsuite/gcc.dg/tree-ssa/ltrans-3.c: XFAILed. + * tree-loop-linear.c (perfect_loop_nest_depth): New. + (linear_transform_loops): Use perfect_loop_nest_depth. + * lambda-code.c (perfect_nest_p): Outer loops in perfect nests + should have a single condition: their exit. + +2007-10-19 Richard Guenther <rguenther@suse.de> + + PR middle-end/33816 + PR middle-end/32921 + * stor-layout.c (layout_type): Assert that aggregates do not + have their alias sets set. + * alias.c (get_alias_set): Return alias set zero for incomplete + types, return the alias set of the element for incomplete array + types, but do not remember these. + +2007-10-19 Richard Guenther <rguenther@suse.de> + + Revert + 2007-10-19 Richard Guenther <rguenther@suse.de> + + PR middle-end/32921 + * tree.c (build_array_type): Do not re-layout unbound array + types. + +2007-10-19 Richard Guenther <rguenther@suse.de> + + PR middle-end/32921 + * tree.c (build_array_type): Do not re-layout unbound array types. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_canonicalize_comparison): Check + mips_relational_operand_ok_p before trying to rewrite the test. + Only calculate PLUS_ONE if needed. + (mips_emit_int_relational): Don't call mips_relational_operand_ok_p + here. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips16e_build_save_restore): Fix *OFFSET_PTR + calculation. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_call_tls_get_addr): Don't claim that + the call uses the incoming value of $2. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_call_tls_get_addr): Use gen_const_mem + rather then gen_rtx_MEM. + (mips_setup_incoming_varargs): Use gen_frame_mem rather than + gen_rtx_MEM. + (mips_set_return_address): Likewise. + (mips_restore_gp): Likewise. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (gpr_mode): Delete. + (mips16e_build_save_restore): Use word_mode and UNITS_PER_WORD + instead of gpr_mode. + (mips_for_each_saved_reg): Likewise. + (mips_expand_prologue, mips_expand_epilogue): Likewise. + (override_options): Don't initialize gpr_mode. + * config/mips/mips.md (eh_return): Use word_mode instead of gpr_mode. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_hard_regno_nregs): Put the UNITS_PER_WORD + case last. + (mips_class_max_nregs): Calculate the smallest consituent register + size and use that to determine an upper bound on the number of + registers. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips16_copy_fpr_return_value): New function, + split out from... + (mips_expand_epilogue): ...here. + (mips_mdebug_abi_name): New function, split out from... + (mips_file_start): ...here. + (mips_hard_regno_mode_ok_p): New function, split out from... + (override_options): ...here. + (mips_expand_builtin_1): New function, split out from... + (mips_expand_buitin): ...here. Abort if we don't recognize + the function. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (build_mips16_function_stub): Load the + target address into $1 before transfering the arguments. + Don't use ".set noreorder". + (build_mips16_call_stub): Likewise. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_output_32bit_xfer): New function. + (mips_output_64bit_xfer): Likewise. + (mips16_fp_args): Rename to... + (mips_output_args_xfer): ...this and replace the FROM_FP_P argument + with a DIRECTION argument. Use mips_output_32bit_xfer and + mips_output_64bit_xfer. + (build_mips16_function_stub): Update accordingly. + (mips16_fpret_double): Delete. + (build_mips16_call_stub): Update after above changes. + Use mips_output_32bit_xfer. Use mips_output_64bit_xfer instead + of mips16_fpret_double. Use GP_REG_RETURN. + +2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips16_fp_args): Remove the FILE argument and + use asm_out_file instead. + (build_mips16_function_stub): Likewise. + (build_mips16_call_stub, mips_output_function_prologue): Update + accordingly. + +2007-10-18 David S. Miller <davem@davemloft.net> + + Add Niagara-2 support. + * doc/invoke.texi: Document -m{cpu,tune}=niagara2. + * config.gcc: Add niagara2 to cpu and tune lists for sparc. + * config/sparc/sparc.md (sparc_cpu_attr): Add niagara2. + (include): Add inclusion of niagara2.md + * config/sparc/sparc.c (niagara2_costs): New. + (sparc_override_options): Add niagara2 entry to cpu_default[] + and cpu_table[]. Set align_functions to 32 on Niagara2. Use + niagara2_costs when PROCESSOR_NIAGARA2. Handle Niagara2 for + PARAM_SIMULTANEOUS_PREFETCHES and PARAM_L1_CACHE_LINE_SIZE. + (sparc_initialize_trampoline): Handle niagara2 like niagara. + (sparc64_initialize_trampoline): Likewise. + (sparc_use_sched_lookahead): Likewise. + (sparc_issue_rate): Likewise. + * config/sparc/sol2-bi.h: Handle TARGET_CPU_niagara2 and + mcpu=niagara2 + * config/sparc/sparc.h (TARGET_CPU_niagara2): Define. + ({CPP,ASM}_CPU64_DEFAULT_SPEC): Set appropriately for + TARGET_CPU_niagara2. + (PROCESSOR_NIAGARA2): New. + (REGISTER_MOVE_COST): Handle PROCESSOR_NIAGARA2. + (BRANCH_COST): Likewise. + * config/sparc/linux64.h: Handle TARGET_CPU_niagara2. + * config/sparc/sol2.h: Likewise. + * config/sparc/niagara2.md: New file. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_frame_info): Remove gp_reg_size and + and fp_reg_size. + (mips_compute_frame_info): Remove associated code. + (mips16e_build_save_restore): Check num_fp instead of fp_reg_size. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips-protos.h (compute_frame_size): Delete. + * config/mips/mips.h: Update comments. + * config/mips/mips.c (mips_frame_info): Remove initialized. + (compute_frame_size): Rename to... + (mips_compute_frame_info): ...this and make static. Remove the + SIZE argument and return no value. Remove the setting of initialized. + Update rest of file accordingly. + (mips_set_return_address): Don't call compute_frame_size. + (mips_can_use_return_insn): Don't check df_regs_ever_live_p (31). + Don't call compute_frame_size. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips-protos.h (mips_frame_pointer_required): Declare. + * config/mips/mips.h (FRAME_POINTER_REQUIRED): Use + mips_hard_frame_pointer_required. + (CAN_ELIMINATE): Rely on FRAME_POINTER_REQUIRED to check for + large MIPS16 frames. + * config/mips/mips.c (mips_frame_pointer_required): New function. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_frame_info): Add arg_pointer_offset + and hard_frame_pointer_offset. + (mips_debugger_offset): Use hard_frame_pointer_offset. + (mips16e_collect_argument_save_p): Likewise. + (compute_frame_size): Initialize arg_pointer_offset and + hard_frame_pointer_offset. + (mips_initial_elimination_offset): Use them. + (mips_output_function_prologue): Use hard_frame_pointer_offset. + (mips_expand_prologue, mips_expand_epilogue): Likewise. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.h (STARTING_FRAME_OFFSET): Remove rtl + profiling code. + * config/mips/mips.c (mips_frame_info): Give num_gp and num_fp type + "unsigned int" rather than "int" and put them with the other + register-related fields. Put expanded comments above fields + rather than to their right. + (mips16e_mask_registers): Replace the GP_REG_SIZE_PTR argument + with a NUM_REGS_PTR argument. + (mips16e_save_restore_pattern_p): Update accordingly. + (compute_frame_size): Clarify frame diagram. Rewrite. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips-ftypes.def: New file. + * config/mips/mips.c (MIPS_FTYPE_NAME1, MIPS_FTYPE_NAME2) + (MIPS_FTYPE_NAME3, MIPS_FTYPE_NAME4): New macros. + (mips_function_type): Redefine using mips-ftypes.def. + (dsp_bdesc): Use POINTER rather than PTR in the MIPS_*_FTYPE_* names. + (mips_builtin_vector_type): New function. + (MIPS_ATYPE_VOID, MIPS_ATYPE_INT, MIPS_ATYPE_POINTER, MIPS_ATYPE_SI) + (MIPS_ATYPE_USI, MIPS_ATYPE_DI, MIPS_ATYPE_SF, MIPS_ATYPE_DF) + (MIPS_ATYPE_V2SF, MIPS_ATYPE_V2HI, MIPS_ATYPE_V4QI, MIPS_FTYPE_ATYPES1) + (MIPS_FTYPE_ATYPES2, MIPS_FTYPE_ATYPES3, MIPS_FTYPE_ATYPES4): New + macros. + (mips_build_function_type): New function. + (mips_init_builtins): Use it to create types lazily. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.h (set_volatile): Delete. + * config/mips/mips.c (set_volatile): Delete. + (mips_print_operand_punctuation): New function, split out from + print_operand. Remove '%{', '%}', '%~', '%&' and '%!'. + Use the same character ordering in the code and the comments. + Use a recursive call to handle '*'. Abort on unknown characters. + (mips_init_print_operand_punct): New function, split out from + override_options. + (mips_print_int_branch_condition): New function, split out from + print_operand. Use GET_RTX_NAME. Use output_operand_lossage + to report unexpected codes. + (mips_print_float_branch_condition): New function, split out from + print_operand. Use output_operand_lossage to report unexpected codes. + (print_operand): Rework to use a case statement. Use the + same letter ordering in the code and the comments. Use + output_operand_lossage to report unexpected codes and + reverse_condition to handle inverted branch conditions. + (override_options): Use mips_init_print_operand_punct. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.h: Move variable declarations to end of file and + enclose them all in #ifndef USED_FOR_TARGET. + * config/mips/mips.c: Reorder functions into more logical groups, + and so that callees appear before callers. Put the targetm + initializer at the end of the file. Remove forward static + declarations where possible. + (mips_init_builtins): Add "static" to definition. + (mips_expand_builtin, mips_mode_rep_extended): Likewise. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (TARGET_MIN_ANCHOR_OFFSET): Delete. + (TARGET_MAX_ANCHOR_OFFSET): Delete. + (mips_cannot_force_const_mem): Don't check TARGET_HAVE_TLS. + (mips_set_mips16_mode): Initialize min_anchor_offset and + max_anchor_offset directly to constants. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c: Delete trailing whitespace. + +2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_expand_call): Use FAKE_CALL_REGNO. + (mips_avoid_hazard): Allow multiple sets for HAZARD_DELAY, + and pick the first. + * config/mips/mips.md (load_call<mode>): Don't make the unspec + depend on FAKE_CALL_REGNO. Set FAKE_CALL_REGNO. + +2007-10-18 David Daney <ddaney@avtrex.com> + + * config/mips/linux-unwind.h (mips_fallback_frame_state): Use new + reg_offset variable to calculate register locations. + +2007-10-18 Richard Guenther <rguenther@suse.de> + + * tree-ssa.c (uid_ssaname_map_eq): New function. + (uid_ssaname_map_has): Likewise. + (init_tree_ssa): Allocate default_defs as uid_ssaname map. + * tree-flow.h (struct gimple_df): Make default_defs a + uid_ssaname map. + * tree-dfa.c (gimple_default_def): Deal with it. + (set_default_def): Likewise. + +2007-10-18 Richard Guenther <rguenther@suse.de> + + * tree-flow.h (struct gimple_df): Make referenced_vars + a uid_decl_map. + (uid_decl_map_eq): Declare. + (uid_decl_map_hash): Likewise. + * tree-ssa.c (uid_decl_map_eq): New function. + (uid_decl_map_hash): Likewise. + (init_tree_ssa): Make referenced_vars a uid_decl_map. + * tree-flow-inline.h (first_referenced_var): Deal with + the referenced_vars representation change. + (next_referenced_var): Likewise. + * tree-dfa.c (referenced_var_lookup): Likewise. + (referenced_var_check_and_insert): Likewise. + (remove_referenced_var): Likewise. + +2007-10-18 Daniel Jacobowitz <dan@codesourcery.com> + + * config/mips/mips.c (mips_dwarf_register_span): New. + (TARGET_DWARF_REGISTER_SPAN): Define. + +2007-10-18 Chen Liqin <liqin@sunnorth.com.cn> + + * config.gcc : update score-*-elf(extra_objs). + * config/score/mac.md : Remove. + * config/score/misc.md : Remove. + * config/score/score7.md : Remove. + * config/score/score-mdaux.h : Remove. + * config/score/score-mdaux.c : Remove. + * config/score/score-version.h : Remove. + * config/score/score-generic.md : New. + * config/score/score3.h : New. + * config/score/score3.c : New. + * config/score/score7.h : New. + * config/score/score7.c : New. + * config/score/mul-div.S : add flush_cache score3 support. + * config/score/elf.h : Fix some typos. + * config/score/score.md : merge score3 and score7 pattern. + * config/score/score.c : use to seperate which target it used. + * config/score/score.h : use to seperate the target macro. + * config/score/score.opt : remove -mmac option , add -mscore3, + -mscore3d and -march OPTION support. + +2007-10-17 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * cfgexpand.c (expand_stack_vars): Add checking to make sure + that the offset of a variable is not greater than the size + of the paritition. + +2007-10-17 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_mcu_types): Add support for atmega48p, + atmega88p, atmega168p and atmega328p devices. + * config/avr/avr.h (LINK_SPEC): (Ditto.). + (CRT_BINUTILS_SPECS): (Ditto.). + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). + +2007-10-17 Maxim Kuvyrkov <maxim@codesourcery.com> + + * sched-ebb.c: Surround code with '#ifdef INSN_SCHEDULING'. + * ddg.c: Ditto. + * sched-deps.c: Ditto. Remove nested #ifdef's INSN_SCHEDULING. + * sched-int.h: Surround declarations with '#ifdef INSN_SCHEDULING'. + (print_insn): Move declaration to ... + * rtl.h (print_insn): ... here. + +2007-10-17 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/m68k.h (m68k_sched_cpu, m68k_sched_attr_opx_type, + m68k_sched_attr_opy_type, m68k_sched_attr_size, m68k_sched_attr_op_mem, + m68k_sched_branch_type): Move declarations to ... + * config/m68/m68k-protos.h: ... here. + +2007-10-17 Maxim Kuvyrkov <maxim@codesourcery.com> + + * genattrtab.c (main): Rearrange output of insn-attrtab.c headers. + +2007-10-17 Eric B. Weddington <eweddington@cso.atmel.com> + + * config/avr/avr.c (avr_mcu_types): Add attiny48. + * config/avr/avr.h (LINK_SPEC): Likewise. + (CRT_BINUTILS_SPECS): Likewsie. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2007-10-17 Eric B. Weddington <eweddington@cso.atmel.com> + + * config/avr/avr.c (avr_mcu_types): Add attiny43u. + * config/avr/avr.h (CRT_BINUTILS_SPECS): Likewsie. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2007-10-17 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/33794 + * reg-stack.c (move_for_stack_reg): Swap input argument of + UNSPEC_TAN insn to the top of the stack. + +2007-10-17 Uros Bizjak <ubizjak@gmail.com> + + PR target/32961 + * config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLLWI128, + IX86_BUILTIN_PSLLDI128, BUILTIN_PSLLQI128, IX86_BUILTIN_PSRAWI128, + IX86_BUILTIN_PSRADI128, IX86_BUILTIN_PSRLWI128, + IX86_BUILTIN_PSRLDI128, IX86_BUILTIN_PSRLQI128]: Do not require + immediate shift value. + * config/i386/emmintrin.h (_mm_slli_epi16, _mm_slli_epi32, + _mm_slli_epi64, _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16, + _mm_srli_epi32, _mm_srli_epi64): Remove 'const' from count argument. + Remove macros for !__OPTIMIZE__ case. + +2007-10-17 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-structalias.c (rewrite_constraints): Don't test for + directness anymore. + (perform_var_substitution): Only DFS from real nodes. Don't test + for directness. + (unite_pointer_equivalences): Fix broken test. + +2007-10-17 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (rs6000_emit_epilogue): Correct + altivec sp_offset. Rearrange sp_offset assignments to + correspond to stack adjustments. Use frame_reg_rtx for + SPE register restores. Correct SPE stack adjustment. + +2007-10-17 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * builtins.c (gimplify_va_arg_expr): Use inform for help message. + * toplev.c (check_global_declaration_1): Use appropriate warning + option instead of unnamed warning. + * stor-layout.c (layout_decl): Likewise. + * c-typeck.c (build_conditional_expr): Likewise. + (build_compound_expr): Fix wrong comment. + (build_binary_op): Use appropriate warning option instead of + unnamed warning. + * cfgexpand.c (tree_expand_cfg): Likewise. + * tree-optimize.c (tree_rest_of_compilation): Likewise. + * tree-cfg.c (remove_useless_stmts_warn_notreached): Likewise. + (execute_warn_function_return): Likewise. + * stmt.c (warn_if_unused_value): Likewise. + +2007-10-16 Eric B. Weddington <eweddington@cso.atmel.com> + + * config/avr/avr.c (avr_mcu_types): Add at90pwm216, at90pwm316. + * config/avr/avr.h (LINK_SPEC): Likewise and remove regex for + similar devices. + (CRT_BINUTILS_SPECS): Likewsie. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2007-10-16 Amruth Laxman <amruth.laxman@nsn.com> + + PR target/33594 + * config/sparc/sparc.h (LOCAL_ALIGNMENT): Define. + +2007-10-16 Eric Botcazou <ebotcazou@libertysurf.fr> + + * dce.c (init_dce): Only initialize the obstacks for the fast pass. + (fini_dce): Only release them for the fast pass. + (end_ud_dce): Delete. + (rest_of_handle_ud_dce): Do not modify df_in_progress. + Call fini_dce instead of end_ud_dce. + (rest_of_handle_fast_dce): Do not modify df_in_progress. + (run_fast_df_dce): Reset df_in_progress to false on exit. + +2007-10-16 Paolo Bonzini <bonzini@gnu.org> + Maxim Kuvyrkov <maxim@codesourcery.com> + + * target.h (unspec_may_trap_p): New target hook. + * target-def.h (TARGET_UNSPEC_MAY_TRAP_P): New macro. + * targhooks.c (default_unspec_may_trap_p): Default implementation of + the hook. + * targhooks.h (default_unspec_may_trap_p): Declare it. + * doc/tm.texi (TARGET_UNSPEC_MAY_TRAP_P): Document new hook. + * rtlanal.c (may_trap_p_1): Use new hook. Make global. + * rtl.h (may_trap_p_1): Declare. + + * config/ia64/ia64.c (ia64_unspec_may_trap_p): New function to + override default hook implementation. + (TARGET_UNSPEC_MAY_TRAP_P): Override default implementation of the + hook. + +2007-10-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * doc/invoke.texi (Wextra): Move it just after Wall, list the + options enabled by Wextra and mention Wuninitialized. + +2007-10-15 Nigel Stephens <nigel@mips.com> + + * config/mips/mips.h (LOCAL_ALIGNMENT): Define. + +2007-10-15 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/33136 + * opts.c (decode_options): Don't enable flag_ipa_type_escape. + +2007-10-15 Alexandre Oliva <aoliva@redhat.com> + + PR tree-optimization/33735 + PR tree-optimization/33572 + * tree-inline.c (update_ssa_across_abnormal_edges): Revert + 2007-10-09's change. + * except.c (duplicate_eh_regions): Don't look for prev_try + beyond ERT_ALLOWED_EXCEPTIONS with an empty list. + +2007-10-15 Alexandre Oliva <aoliva@redhat.com> + + PR middle-end/33706 + * tree-inline.c (copy_bb): Use bsi_replace to replace a + __builtin_va_arg_pack-containing call stmt. + +2007-10-15 Razya Ladelsky <razya@il.ibm.com> + + * matrix-reorg.c (gate_matrix_reorg): Don't comment out whole + program flag. + +2007-10-15 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/33619 + * tree-ssa-ter.c (is_replaceable_p): Return false for all + calls. + +2007-10-15 David Edelsohn <edelsohn@gnu.org> + + * config.gcc (powerpc-ibm-aix5*): Install altivec.h. + +2007-10-15 Richard Guenther <rguenther@suse.de> + + * fold-const.c (extract_array_ref): Remove. + (fold_comparison): Handle POINTER_PLUS_EXPR with the + generic address expression comparison folding. Remove + the folding that used extract_array_ref. + +2007-10-15 Maxim Kuvyrkov <maxim@codesourcery.com> + + PR target/33133 + * haifa-sched.c (process_insn_forw_deps_be_in_spec): Check if + speculation type of insn can be changed before trying to do that. + +2007-10-15 Eric Botcazou <ebotcazou@libertysurf.fr> + + * dse.c (struct insn_info): Add 'frame_read' field. + (scan_insn): For the call to a const function, set frame_read if + reload has been run. + If the insn reads the frame, kill the frame related stores. + (scan_reads_nospill): Likewise. + +2007-10-14 Jason Merrill <jason@redhat.com> + + * tree-eh.c (optimize_double_finally): Don't assume that the + cleanup we're duplicating is only one statement. + +2007-10-14 Kazu Hirata <kazu@codesourcery.com> + + * config/fixed-bit.c, config/i386/cpuid.h, config/i386/i386.c, + config/i386/i386.md, config/i386/sse.md, function.c, jump.c, + modulo-sched.c, ra-conflict.c, toplev.c, tree-eh.c, tree-sra.c, + tree-ssa-dse.c, tree-vect-analyze.c, tree-vect-patterns.c, + tree-vect-transform.c: Fix comment typos. + * doc/extend.texi: Fix a typo. + + * c-common.h: Remove the prototype for c_expand_body. + * c-tree.h: Remove the prototype for c_disregard_inline_limits. + * tree.h: Remove the prototype for fold_build_call_expr. + + * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): + Remove. + * c-tree.h: Remove the prototype for c_cannot_inline_tree_fn. + +2007-10-13 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/aix53.h: New file. + * config/rs6000/aix{41,43,51,52}.h (TARGET_ALTIVEC): Define to 0. + (TARGET_ALTIVEC_ABI): Same. + * config/rs6000/aix.h (TARGET_ALTIVEC): Delete. + (TARGET_ALTIVEC_ABI): Delete. + * config.gcc (powerpc-ibm-aix5*): Rename to aix5.2. Add new + stanza defaulting to aix5.3. + +2007-10-12 Nathan Froyd <froydnj@codesourcery.com> + + * config/i386/i386.md (SI_REG, DI_REG): New constants. + (strmov): Use defined constants. + (cmpstrnsi): Likewise. + * config/i386/i386.c (decide_alg): Use defined constants. + (ix86_expand_strlen): Likewise. + +2007-10-12 Richard Sandiford <rsandifo@nildram.co.uk> + + * dse.c (find_shift_sequence): Reinstate "<= UNITS_PER_WORD" condition. + * var-tracking.c (micro_operation_def): Update comment on u.loc. + (mode_for_reg_attrs, var_lowpart): New functions. + (add_uses): Consider recording a lowpart of LOC for MO_USE. + (add_stores): Likewise MO_SET and MO_COPY. If the source of a set + or copy is known, set LOC to the SET that performs the set, instead + of the destination. + (find_src_status, find_src_set_src): Remove LOC parameter. + Replace INSN with the source value. + (compute_bb_dataflow, emit_notes_in_bb): Check for a SET u.loc when + handling MO_SET and MO_COPY. Update the calls to find_src_status + and find_src_set_src. + +2007-10-12 Nathan Froyd <froydnj@codesourcery.com> + + PR 11001 + * config/i386/i386.md (strmov): Check for esi and edi usage. + * config/i386/i386.c (decide_alg): Check whether we can use a + rep prefix and adjust algorithm choice accordingly. + (ix86_expand_strlen): Check for eax, ecx, and edi usage. + +2007-10-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/c4x/c4x.md (mulqi3, mulhi3): Use optab_libfunc. + +2007-10-12 Kenneth Zadeck <zadeck@naturalbridge.com> + + * global.c (build_insn_chain): Formatting fixes. + +2007-10-12 Richard Guenther <rguenther@suse.de> + + * tree-ssa-forwprop.c (forward_propagate_into_cond): For + combining both operands require either both have single uses + or combining to a constant. + +2007-10-12 Richard Guenther <rguenther@suse.de> + + PR middle-end/26198 + * tree-ssa-forwprop.c (can_propagate_from): Do not propagate from + a rhs with side-effects or which is a load. + (forward_propagate_into_cond): Also try combining both operands. + +2007-10-12 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/33742 + * tree-vect-transform.c (vectorizable_operation): Return false + if get_vectype_for_scalar_type for scalar_dest can't be determined. + (vectorizable_call): Same for rhs_type and lhs_type. + +2007-10-12 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/33645 + * tree-ssa-live.c (mark_all_vars_used): Add data argument, + pass it to walk_tree. + (mark_all_vars_used_1): Pass data through to mark_all_vars_used. + When calling set_is_used on a VAR_DECL, if data is not NULL and + its DECL_UID is in the bitmap, call mark_all_vars_used on its + DECL_INITIAL after clearing the bit in bitmap. + (remove_unused_locals): Adjust mark_all_vars_used callers. + Instead of removing unused global vars from unexpanded_var_list + immediately record them in bitmap, call mark_all_vars_used on + all used global vars from unexpanded_var_list and only purge + global vars that weren't found used even during that step. + +2007-10-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * gthr-posix.h (__gthread_active_init): Create detached instead of + joinable thread when testing whether threads are active on hppa-hpux. + * gthr-posix95.h (__gthread_active_init): Likewise. + +2007-10-11 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/33676 + * global.c (build_insn_chain): Include insn that occur between + basic blocks. + +2007-10-11 Tom Tromey <tromey@redhat.com> + + * gengtype-yacc.y: Delete. + +2007-10-11 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (AX_REG, DX_REG, CX_REG): New constants. + * config/i386/i386.c (ix86_function_arg_regno_p, function_arg_32, + function_value_32, function_value_64, function_value_ms_64, + setup_incoming_varargs_64, ix86_expand_prologue, ix86_expand_call, + legitimize_tls_address, x86_this_parameter, x86_output_mi_thunk): + Use new constants. + +2007-10-11 Richard Guenther <rguenther@suse.de> + + * gcse.c (hash_scan_set): If the next nonnote insn is in + a different basic block insert the set. + +2007-10-11 Richard Guenther <rguenther@suse.de> + + PR middle-end/33724 + * tree-cfg.c (one_pointer_to_useless_type_conversion_p): New function. + (verify_gimple_expr): Use it to verify pointer-to types for + ADDR_EXPRs. + +2007-10-11 Richard Guenther <rguenther@suse.de> + + PR c/33726 + * c-typeck.c (build_array_ref): Do not strip qualifiers from + the array element type. + +2007-10-11 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/33638 + * dse.c (struct insn_info): Remove 'stack_read' field, + add 'stack_pointer_based' field. + (record_store): For a store with non-constant base, record + whether it is stack pointer based. + (scan_insn): For the call to a const function, remove stack + pointer based stores from the list of local active stores. + (scan_reads_nospill): Delete code dealing with const functions. + +2007-10-10 Peter Bergner <bergner@vnet.ibm.com> + + * ra-conflict.c (partial_bitnum, max_bitnum): Change type of variables + to HOST_WIDE_INT. + (conflict_p, set_conflict, set_conflicts): Likewise. + * global.c (global_alloc): Likewise. + * ra.h: Update prototypes. + +2007-10-10 Wolfgang Gellerich <gellerich@de.ibm.com> + + * opth-gen.awk: Fixed generation of comment stating the origin + of options.h + +2007-10-10 Kazu Hirata <kazu@codesourcery.com> + + Revert: + 2007-10-09 Kazu Hirata <kazu@codesourcery.com> + * longlong.h (count_leading_zeros): Replace '{' and '}' with '%{' + and '%}', respectively. + + Revert: + 2007-10-09 Kazu Hirata <kazu@codesourcery.com> + * config/m68k/m68k.c (print_operand): Handle '{' and '}'. + * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{' + and '}'. + * config/m68k/m68k.md: Replace '{' with '%{' where '{' is + meant to be output. + + Revert: + 2007-10-07 Kazu Hirata <kazu@codesourcery.com> + * config/m68k/m68k.c, config/m68k/m68k.md: Use the assembly + syntax for ASSEMBLER_DIALECT. + * config/m68k/m68k.h (ASSEMBLER_DIALECT): New. + +2007-10-10 Revital Eres <eres@il.ibm.com> + + * modulo-sched.c (check_nodes_order): Dump the final order of + the nodes. + (get_sched_window): Add dump info. + (calculate_order_params): Dump order params of the nodes. + +2007-10-09 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/33669 + * ra-conflict.c (record_one_conflict_between_regnos, + set_conflicts_for_earlyclobber, global_conflicts): Improved logging. + (global_conflicts): Enhanced incorrect check. + +2007-10-09 Geoffrey Keating <geoffk@apple.com> + + * dwarf2out.c (output_call_frame_info): FDEs are always emitted + if flag_exceptions is not set. + * config/darwin.c (darwin_emit_unwind_label): Rewrite to use + assemble_name rather than incorrectly emulating it. + + * doc/extend.texi (Deprecated Features): Mention that <? and >? and + friends are removed from G++. + +2007-10-09 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * c-opts.c (c_common_handle_option): -Wnontemplate-friend, + -Wwrite-strings and -Wmultichar are enabled by default, so Wall + enabling them is redundant. Don't check two times for + c_dialect_cxx. + +2007-10-09 H.J. Lu <hongjiu.lu@intel.com> + + * ra-conflict.c (record_one_conflict_between_regnos): Revert + the last change. + (set_conflicts_for_earlyclobber): Likewise. + (global_conflicts): Likewise. + +2007-10-09 Kazu Hirata <kazu@codesourcery.com> + + * longlong.h (count_leading_zeros): Replace '{' and '}' with '%{' + and '%}', respectively. + +2007-10-09 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.c (print_operand): Handle '{' and '}'. + * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{' + and '}'. + * config/m68k/m68k.md: Replace '{' with '%{' where '{' is + meant to be output. + +2007-10-09 Richard Guenther <rguenther@suse.de> + + PR middle-end/33692 + * gimplify.c (canonicalize_component_ref): Honor qualifiers + of referenced structure and component. + +2007-10-09 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/33669 + * ra-conflict.c (record_one_conflict_between_regnos, + set_conflicts_for_earlyclobber, global_conflicts): Improved logging. + (global_conflicts): Removed incorrect check. + +2007-10-09 Richard Sandiford <rsandifo@nildram.co.uk> + + PR tree-optimization/33615 + * tree-ssa-pre.c (compute_avail): Don't call make_values_for_stmt + if the statement might throw. Fix formatting. + +2007-10-09 Richard Sandiford <rsandifo@nildram.co.uk> + + PR tree-optimization/33615 + * tree-ssa-loop-im.c (movement_possibility): Return MOVE_IMPOSSIBLE + if the rhs might throw. + +2007-10-09 Jan Hubicka <jh@suse.cz> + + * invoke.texi (align-threshold, align-loop-iterations): Document. + * final.c: Include cfgloop.h, params.h + (compute_alignments): Dump decisions and compare them with loop + structure; honor given parameters. + (pass_compute_alignments): New dump file. + * params.def (PARAM_ALIGN_THRESHOLD, PARAM_ALIGN_LOOP_ITERATIONS): New. + * Makefile.in (final.o): Add dependency on cfgloop.h and params.h + +2007-10-09 James E. Wilson <wilson@specifix.com> + + PR tree-optimization/33655 + PR middle-end/22156 + * tree-sra.c (bitfield_overlaps_p): When fld->element is INTEGER_CST, + convert it to bitsizetype before size_binop call. + +2007-10-09 Alexandre Oliva <aoliva@redhat.com> + + PR tree-optimization/33572 + * tree-inline.c (update_ssa_across_abnormal_edges): Tolerate + the absence of a corresponding edge from the exit block. + +2007-10-09 Alexandre Oliva <aoliva@redhat.com> + + PR middle-end/22156 + * tree-sra.c (instantiate_element): Use BYTES_BIG_ENDIAN for + bit-field layout. + (sra_build_assignment): Likewise. Set up mask depending on + precision, not type. + (sra_build_bf_assignment): Use BYTES_BIG_ENDIAN. Don't overflow + computing bit masks. + (sra_build_elt_assignment): Don't view-convert from signed to + unsigned. + (sra_explode_bitfield_assignment): Use bit-field type if + possible. Use BYTES_BIG_ENDIAN. + +2007-10-08 Alexandre Oliva <aoliva@redhat.com> + + PR middle-end/22156 + * tree-sra.c (scalarize_lsdt): Fix thinko in testing whether + the original stmt can throw. + (sra_build_bf_assignment): Fix type mismatch when applying negated + mask. + +2007-10-08 Geoffrey Keating <geoffk@apple.com> + + * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Register + '#pragma mark' to be executed at preprocessing time. + +2007-10-08 Ollie Wild <aaw@google.com> + + * varasm.c (compare_constant): Removed call to + lang_hooks.expand_constant. + (copy_constants): Removed call to lang_hooks.expand_constant. + (compute_reloc_for_constant): Removed call to + lang_hooks.expand_constant. + (output_addressed_constants): Removed call to + lang_hooks.expand_constant. + (constructor_static_from_elts_p): Removed call to + lang_hooks.expand_constant. + (output_constant): Removed calls to lang_hooks.expand_constant. + * langhooks.h (struct lang_hooks): Removed field expand_constant. + * langhooks-def.h (lhd_return_tree): Removed. + (LANG_HOOKS_EXPAND_CONSTANT): Removed. + (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT. + * langhooks.c (lhd_return_tree): Removed. + +2007-10-08 Mark Shinwell <shinwell@codesourcery.com> + + * combine.c (setup_incoming_promotions): Ensure that + arguments that have not undergone mode promotions do not + incorrectly get marked as being sign- or zero-extended. + +2007-10-08 Richard Guenther <rguenther@suse.de> + + PR middle-end/33693 + PR middle-end/33695 + PR middle-end/33697 + * fold-const.c (fold_binary): Use correct types in folding + of a * (1 << b) to (a << b). Likewise for ~A & ~B to ~(A | B) + and building of RROTATE_EXPR. + +2007-10-08 Richard Guenther <rguenther@suse.de> + + PR middle-end/33691 + PR middle-end/33694 + PR middle-end/33696 + * fold-const.c (fold_binary): Use the correct types when + folding (A | CST1) & CST2 to (A & CST2) | (CST1 & CST2). + (fold_binary): Use the correct types when folding + (-A) - B to (-B) - A. + (fold_unary): Use the correct types when folding ~(X). + +2007-10-08 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * doc/invoke.texi (Wall): fix formatting issues. + +2007-10-07 Richard Sandiford <rsandifo@nildram.co.uk> + + * simplify-rtx.c (simplify_binary_operation_1): Canonicalize + truncated shift counts. + +2007-10-07 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.c, config/m68k/m68k.md: Use the assembly + syntax for ASSEMBLER_DIALECT. + * config/m68k/m68k.h (ASSEMBLER_DIALECT): New. + +2007-10-06 Eric Botcazou <ebotcazou@adacore.com> + Nathan Froyd <froydnj@codesourcery.com> + + * dwarf2out.c (dwarf2out_frame_init): Check for DWARF2_FRAME_INFO + when determining whether to record INCOMING_RETURN_ADDR_RTX. + +2007-10-06 Eric Botcazou <ebotcazou@adacore.com> + + Revert: + 2007-02-12 Eric Botcazou <ebotcazou@adacore.com> + + * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL. + * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on + the function, temporarily point the debug interface to the null one. + +2007-10-06 Alexandre Oliva <aoliva@redhat.com> + + PR tree-optimization/33655 + PR middle-end/22156 + * tree-sra.c (bitfield_overlaps_p): Handle array and complex elements. + +2007-10-06 Alexandre Oliva <aoliva@redhat.com> + + PR tree-optimization/33572 + * tree-cfg.c (verify_stmts): Check for missing PHI defs. + * tree-inline.c (update_ssa_across_eh_edges): Renamed to... + (update_ssa_across_abnormal_edges): ... this. Set slots in the + return PHI node. + (copy_edges_for_bb): Handle nonlocal label edges. + (make_nonlocal_label_edges): Deleted. + (optimize_inline_calls): Don't call it. + +2007-10-05 Hans-Peter Nilsson <hp@axis.com> + + * gthr-single.h: Revert last change. + +2007-10-05 Michael Matz <matz@suse.de> + + PR middle-end/33667 + * lower-subreg.c (decompose_multiword_subregs): Use + validate_unshare_change(). + +2007-10-05 Peter Bergner <bergner@vnet.ibm.com> + + * ra-conflict.c: Include "sparseset.h". + (conflicts): Change to HOST_WIDEST_FAST_INT. + (allocnos_live): Redefine variable as a sparseset. + (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, GET_ALLOCNO_LIVE): + Delete macros. + (allocno_row_words): Removed global variable. + (partial_bitnum, max_bitnum, adjacency_pool, adjacency): New variables. + (CONFLICT_BITNUM, CONFLICT_BITNUM_FAST): New defines. + (conflict_p, set_conflict_p, set_conflicts_p): New functions. + (record_one_conflict_between_regnos): Cache allocno values and reuse. + Use set_conflict_p. + (record_one_conflict): Update uses of allocnos_live to use + the sparseset routines. Use set_conflicts_p. + (mark_reg_store): Likewise. + (set_reg_in_live): Likewise. + (global_conflicts): Update uses of allocnos_live. + Use the new adjacency list to visit an allocno's neighbors + rather than iterating over all possible allocnos. + Call set_conflicts_p to setup conflicts rather than adding + them manually. + * global.c: Comments updated. + (CONFLICTP): Delete define. + (regno_compare): New function. Add prototype. + (global_alloc): Sort the allocno to regno mapping according to + which basic blocks the regnos are referenced in. Modify the + conflict bit matrix to a compressed triangular bitmatrix. + Only allocate the conflict bit matrix and adjacency lists if + we are actually going to allocate something. + (expand_preferences): Use conflict_p. Update uses of allocnos_live. + (prune_preferences): Use the FOR_EACH_CONFLICT macro to visit an + allocno's neighbors rather than iterating over all possible allocnos. + (mirror_conflicts): Removed function. + (dump_conflicts): Iterate over regnos rather than allocnos so + that all dump output will be sorted by regno number. + Use the FOR_EACH_CONFLICT macro. + * ra.h: Comments updated. + (conflicts): Update prototype to HOST_WIDEST_FAST_INT. + (partial_bitnum, max_bitnum, adjacency, adjacency_pool): + Add prototypes. + (ADJACENCY_VEC_LENGTH, FOR_EACH_CONFLICT): New defines. + (adjacency_list_d, adjacency_iterator_d): New types. + (add_neighbor, adjacency_iter_init, adjacency_iter_done, + adjacency_iter_next, regno_basic_block): New static inline functions. + (EXECUTE_IF_SET_IN_ALLOCNO_SET): Removed define. + (conflict_p): Add function prototype. + * sparseset.h, sparseset.c: New files. + * Makefile.in (OBJS-common): Add sparseset.o. + (sparseset.o): New rule. + +2007-10-05 Richard Guenther <rguenther@suse.de> + + PR middle-end/33666 + * fold-const.c (fold_unary): Do not fold (long long)(int)ptr + to (long long)ptr. + +2007-10-05 Michael Matz <matz@suse.de> + + PR inline-asm/33600 + * function.c (match_asm_constraints_1): Check for input + being used in the outputs. + +2007-10-05 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (verify_gimple_expr): Accept OBJ_TYPE_REF. + +2007-10-05 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/33635 + * config/mips/mips.c (mips_register_move_cost): Rewrite to use + subset checks. Make the cost of FPR -> FPR moves depend on + mips_mode_ok_for_mov_fmt_p. + +2007-10-04 Doug Kwan <dougkwan@google.com> + + * gthr-posix.h (__gthread_cond_broadcast, __gthread_cond_wait, + __gthread_cond_wait_recursive): Add to extend interface for POSIX + conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify + support of conditional variables. + * gthr-posix95.h (__gthread_cond_broadcast, __gthread_cond_wait, + __gthread_cond_wait_recursive): Add to extend interface for POSIX + conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify + support of conditional variables. + * gthr-single.h (__gthread_cond_broadcast, __gthread_cond_wait, + __gthread_cond_wait_recursive): Add to extend interface for POSIX + conditional variables. + * gthr.h: Update comments to document new interface. + +2007-10-04 Geoffrey Keating <geoffk@apple.com> + + * cgraphunit.c (cgraph_build_static_cdtor): Don't set DECL_IGNORED_P. + +2007-10-04 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (expand_epilogue): Don't set RTX_FRAME_RELATED_P. + +2007-10-04 Richard Guenther <rguenther@suse.de> + + PR middle-end/33641 + * tree-cfg.c (verify_gimple_expr): Operand one of POINTER_PLUS_EXPR + does not need to be of INTEGER_TYPE. + (verify_gimple_2): New function split out from ... + (verify_gimple_1): ... here. ICE if there was an error during + verification. + +2007-10-04 Michael Matz <matz@suse.de> + + PR rtl-optimization/33653 + * dce.c (deletable_insn_p_1): Use volatile_refs_p(). + * dse.c (scan_insn): Same. + +2007-10-04 Kazu Hirata <kazu@codesourcery.com> + + * config.gcc: Remove USE_GAS for m68k targets. + +2007-10-04 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33627 + * tree-gimple.h (canonicalize_cond_expr_cond): Declare. + * tree-gimple.c (canonicalize_cond_expr_cond): New function, + split out from ... + * tree-ssa-forwprop.c (combine_cond_expr_cond): ... here. + * tree-ssa-ifcombine.c (ifcombine_iforif): Use it. + +2007-10-04 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (commands_in_file, commands_in_prologues, + commands_in_epilogues): Remove variables. + (avr_file_start): Remove unneded initializations of commands_in_file, + commands_in_prologues and commands_in_epilogues variables. + (avr_file_end): Remove dead code. + +2007-10-04 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.c (m68k_output_movem): Use the MOTOROLA if + MOTOROLA is to true. + +2007-10-03 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/33635 + * config/mips/mips-protos.h (mips_split_64bit_move): Rename to... + (mips_split_doubleword_move): ...this. + * config/mips/mips.c (mips_subword): Extend to handle 64-bit words; + use natural endianness for multi-format FPR values. + (mips_split_64bit_move): Rename to... + (mips_split_doubleword_move): ...this and extend to 64-bit words. + Use move_doubleword_fpr* patterns for moves involving FPRs. + (mips_save_reg): Update the call to mips_split_64bit_move. + (mips_secondary_reload_class): Return NO_REGS for any reload of a + nonzero constant into an FPR if the constant can be forced to memory. + * config/mips/mips.md: Update the splitter calls to + mips_split_64bit_move. + (UNSPEC_LOAD_DF_LOW): Rename to... + (UNSPEC_LOAD_LOW): ...this. + (UNSPEC_LOAD_DF_HIGH): Rename to... + (UNSPEC_LOAD_HIGH): ...this. + (UNSPEC_STORE_DF_HIGH): Rename to... + (UNSPEC_STORE_WORD): ...this. + (SPLITF): New mode iterator. + (HALFMODE): New mode attribute. + (movtf): New expander. + (*movtf_internal): New define_insn_and_split. + (move_doubleword_fpr<mode>): New expander. + (load_df_low, load_df_high, store_df_high, mthc1, mfhc1): Replace + with... + (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>) + (mfhc1<mode>): ...these more general patterns. + +2007-10-03 Alexandre Oliva <aoliva@redhat.com> + + * cfgrtl.c (rtl_block_ends_with_call_p): Skip notes at the end. + +2007-10-03 Alexandre Oliva <aoliva@redhat.com> + + * gcse.c (hash_scan_set): Insert set in insn before note at + the end of basic block. + +2007-10-03 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/33576 + * testsuite/gcc.dg/tree-ssa/pr33576.c: New. + * tree-loop-linear.c (linear_transform_loops): Call remove_iv. + * lambda.h (lambda_loopnest_to_gcc_loopnest): New parameter. + (remove_iv): Declared. + * lambda-code.c (remove_iv): Not static. + (lambda_loopnest_to_gcc_loopnest): New parameter remove_ivs. + Don't remove ivs there, save ivs in the buffer. + +2007-10-03 Jason Merrill <jason@redhat.com> + + PR c++/15764 + * tree-eh.c (same_handler_p): New fn. + (optimize_double_finally): New fn. + (refactor_eh_r): New fn. + (refactor_eh): New fn. + (pass_refactor_eh): New pass. + * tree-pass.h: Declare it. + * passes.c (init_optimization_passes): Add it. + +2007-10-03 Doug Kwan <dougkwan@google.com> + Richard Guenther <rguenther@suse.de> + + PR debug/31899 + * dwarf2out.c (reference_to_unused): Disable sanity checking, + be conservative instead. + +2007-10-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR fortran/26682 + * doc/invoke.texi (-fwhole-program): Document that Fortran + doesn't support this option. + +2007-10-02 Richard Sandiford <rsandifo@nildram.co.uk> + + PR middle-end/33617 + * expr.c (expand_expr_addr_expr_1): Pass CONSTRUCTORs to expand_expr. + +2007-10-02 David Daney <ddaney@avtrex.com> + + * config/mips/mips.md (sync_compare_and_swap<mode>): Handle compare + against constant zero. + * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Handle constant zero + operand. + +2007-09-02 Kenneth Zadeck <zadeck@naturalbridge.com> + + * ra-conflict.c: New file. + * ra.h: New file. + * reload.c (push_reload, find_dummy_reload): Change DF_RA_LIVE + usage to DF_LIVE usage. + (reload): Remove reference to df_get_live_top. + * rtlanal.c (subreg_nregs_with_regno): New function. + * df-scan.c (df_def_record_1, df_uses_record): Add code to set + DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, and DF_REF_SUBREG flags. + (df_has_eh_preds): Removed. + (df_bb_refs_collect, df_bb_refs_collect, df_bb_refs_collect, + df_exit_block_uses_collect): Changed call from df_has_eh_preds to + bb_has_eh_pred. + * global.c (allocno, max_allocno, conflicts, allocno_row_words, + reg_allocno, EXECUTE_IF_SET_IN_ALLOCNO_SET): Moved to ra.h + (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Moved to ra-conflicts.c. + (regs_set, record_one_conflict, record_conflicts, mark_reg_store, + mark_reg_clobber, mark_reg_conflicts, mark_reg_death): Deleted. + (global_alloc): Turn off rescanning insns after call to + global_conflicts and added call to set_preferences. + (global_conflicts): Moved to ra-alloc.c. + (set_preferences_1, set_preferences): New function. + (mirror_conflicts): Changed types for various variables. + (mark_elimination): Change DF_RA_LIVE + usage to DF_LIVE usage. + (build_insn_chain): Rewritten from scratch and made local. + (print_insn_chain, print_insn_chains): New functions. + (dump_conflicts): Do not print conflicts for fixed_regs. + (rest_of_handle_global_alloc): Turn off insn rescanning. + * hard-reg-set.h: Fixed comment. + * local-alloc.c (update_equiv_regs): Change DF_RA_LIVE + usage to DF_LIVE usage and delete refs to TOP sets. + (block_alloc): Mark regs as live if they are in the artificial + defs at top of block. + (find_stack_regs): New function. + (rest_of_handle_local_alloc): Changed urec problem to live + problem and do not turn off df rescanning. + * df.h (DF_UREC, DF_UREC_BB_INFO, DF_LIVE_TOP, DF_RA_LIVE_IN, + DF_RA_LIVE_TOP, DF_RA_LIVE_OUT, df_urec_bb_info, df_urec, + df_urec_add_problem, df_urec_get_bb_info, df_has_eh_preds): Removed. + (DF_CHAIN, DF_NOTE, DF_CHAIN): Renumbered. + (DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, DF_REF_SUBREG): New + fields in df_ref_flags. The rest have been renumbered. + * init-regs.c (initialize_uninitialized_regs): Enhanced debugging + at -O1. + * rtl.h (subreg_nregs_with_regno): New function. + * df-problems.c: (df_get_live_out, df_get_live_in, + df_get_live_top): Removed reference to DF_RA_LIVE. + (df_lr_reset, df_lr_transfer_function, df_live_free_bb_info, + df_live_alloc, df_live_reset, df_live_local_finalize, + df_live_free): Make top set only if different from in set. + (df_lr_top_dump, df_live_top_dump): Only print top set if + different from in set. + (df_lr_bb_local_compute): Removed unnecessary check. + (df_urec_problem_data, df_urec_set_bb_info, df_urec_free_bb_info, + df_urec_alloc, df_urec_mark_reg_change, earlyclobber_regclass, + df_urec_check_earlyclobber, df_urec_mark_reg_use_for_earlyclobber, + df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute, + df_urec_local_compute, df_urec_init, df_urec_local_finalize, + df_urec_confluence_n, df_urec_transfer_function, df_urec_free, + df_urec_top_dump, df_urec_bottom_dump, problem_UREC, + df_urec_add_problem): Removed. + (df_simulate_fixup_sets): Changed call from df_has_eh_preds to + bb_has_eh_pred. + * Makefile.in (ra-conflict.o, ra.h): New dependencies. + * basic_block.h (bb_has_abnormal_pred): New function. + * reload1.c (compute_use_by_pseudos): Change DF_RA_LIVE + usage to DF_LIVE usage. + +2007-10-02 Revital Eres <eres@il.ibm.com> + + * config/rs6000/predicates.md (easy_vector_constant): Return false + for 750CL paired vectors. + * config/rs6000/paired.md (movv2sf_paired): Fix move of easy + vector constant. + (vec_initv2sf): Add new description. + (vconcatsf): Likewise. + * config/rs6000/rs6000-protos.h: Declare paired_expand_vector_init. + * config/rs6000/rs6000.c (paired_expand_vector_init): New function. + +2007-10-01 Alexandre Oliva <aoliva@redhat.com> + + * tree-ssa-sink.c (sink_code_in_bb): Don't stop sinking after + sinking the last stmt in a BB. + +2007-10-01 Alexandre Oliva <aoliva@redhat.com> + + PR middle-end/22156 + * tree-sra.c (struct sra_elt): Add in_bitfld_block. + (sra_hash_tree): Handle BIT_FIELD_REFs. + (sra_elt_hash): Don't hash bitfld blocks. + (sra_elt_eq): Skip them in parent compares as well. Handle + BIT_FIELD_REFs. + (build_element_name_1): Handle BIT_FIELD_REFs. + (instantiate_element): Propagate nowarn from parents. Create + BIT_FIELD_REF for variables that are widened by scalarization. + Gimple-zero-initialize all bit-field variables that are not + part of parameters that are going to be scalarized on entry. + (instantiate_missing_elements_1): Return the sra_elt. + (canon_type_for_field): New. + (try_instantiate_multiple_fields): New. Infer widest possible + access mode from decl or member type, but clip it at word + size, and only widen it if a field crosses an alignment boundary. + (instantiate_missing_elements): Use them. + (generate_one_element_ref): Handle BIT_FIELD_REFs. + (scalar_bitfield_p): New. + (sra_build_assignment): Optimize assignments from scalarizable + BIT_FIELD_REFs. Use BITS_BIG_ENDIAN to determine shift counts. + (REPLDUP): New. + (sra_build_bf_assignment): New. Optimize assignments to + scalarizable BIT_FIELD_REFs. + (sra_build_elt_assignment): New. Optimize BIT_FIELD_REF + assignments to full variables. + (generate_copy_inout): Use the new macros and functions. + (generate_element_copy): Likewise. Handle bitfld differences. + (generate_element_zero): Don't recurse for blocks. Use + sra_build_elt_assignment. + (generate_one_element_init): Take elt instead of var. Use + sra_build_elt_assignment. + (generate_element_init_1): Adjust. + (bitfield_overlap_info): New struct. + (bitfield_overlaps_p): New. + (sra_explode_bitfield_assignment): New. Adjust widened + variables to account for endianness. + (sra_sync_for_bitfield_assignment): New. + (scalarize_use): Re-expand assignment to/from scalarized + BIT_FIELD_REFs. Explode or sync needed members for + BIT_FIELD_REFs accesses or assignments. Use REPLDUP. + (scalarize_copy): Use REPLDUP. + (scalarize_ldst): Move assert before dereference. Adjust EH handling. + (dump_sra_elt_name): Handle BIT_FIELD_REFs. + +2007-10-01 Paolo Bonzini <bonzini@gnu.org> + + * simplify-rtx.c (comparison_result, simplify_relational_operation_1): + Rename CR_* constants to CMP_*. Fix spacing. + +2007-10-01 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR other/33585 + * Makefile.in (build_html_dir/gccinstall): gccinstall.texi needs + to be processed with the special script doc/install.texi2html. + +2007-09-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * doc/invoke.texi (Wall): List the options enabled by Wall. + (Wstrict-aliasing): Add missing @option. + +2007-09-30 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_split_64bit_move): Use gen_rtx_REG_offset + rather than gen_lowpart to change a register from DImode to DFmode. + (mips_cannot_change_mode_class): Only allow FPRs to change mode if + both FROM and TO are integer modes that are no bigger than 4 bytes. + (mips_mode_ok_for_mov_fmt_p): New function. + (mips_preferred_reload_class): Use it instead of FLOAT_MODE_P. + (mips_secondary_reload_class): Tweak formatting and comments. + Use reg_class_subset_p instead of direct comparisons with + classes. Only allow direct FPR<->FPR moves for modes that + satisfy mips_mode_ok_for_mov_fmt_p. Only allow loads and stores + for 4- and 8-byte types. Handle reloads in which X is an FPR. + * config/mips/mips.md (*movdi_gp32_fp64): Remove f<-f alternative. + (*movdi_64bit): Likewise. + (*movsi_internal): Likewise. + (*movhi_internal): Likewise. + (*movqi_internal): Likewise. + +2007-09-30 Diego Novillo <dnovillo@google.com> + + PR 33593 + * tree-ssa-ter.c (is_replaceable_p): Return false if STMT may + throw an exception. + +2007-09-30 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/33597 + * tree-vect-analyze.c (vect_build_slp_tree): Check if optab handler + for LSHIFT_EXPR and RSHIFT_EXPR is available for vec_mode. + +2007-09-28 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_expand_move): Use can_create_pseudo_p () + instead of variants of (!reload_in_progress && !reload_completed). + (x86_expand_vector_move): Ditto. + +2007-09-28 Ollie Wild <aaw@google.com> + + Revert + 2007-09-27 Ollie Wild <aaw@google.com> + + * varasm.c (compare_constant): Removed call to + lang_hooks.expand_constant. + (copy_constants): Removed call to lang_hooks.expand_constant. + (compute_reloc_for_constant): Removed call to + lang_hooks.expand_constant. + (output_addressed_constants): Removed call to + lang_hooks.expand_constant. + (constructor_static_from_elts_p): Removed call to + lang_hooks.expand_constant. + (output_constant): Removed calls to lang_hooks.expand_constant. + * langhooks.h (struct lang_hooks): Removed field expand_constant. + * langhooks-def.h (lhd_return_tree): Removed. + (LANG_HOOKS_EXPAND_CONSTANT): Removed. + (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT. + * langhooks.c (lhd_return_tree): Removed. + +2007-09-28 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR target/33347 + * config/spu/spu.c (spu_expand_insv): Call copy_rtx on the second + argument to gen_selb. + +2007-09-28 Chao-ying Fu <fu@mips.com> + + * libgcc-std.ver: Add fixed-point routines to GCC_4.3.0 section. + * doc/libgcc.texi (Fixed-point fractional library routines): + Fix typos for neg and cmp functions. + +2007-09-28 Michael Matz <matz@suse.de> + + PR rtl-optimization/33552 + * function.c (match_asm_constraints_1): Check for overlap in + inputs and replace all occurences. + +2007-09-28 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (override_options): Fix comment typo. + +2007-09-28 Jie Zhang <jie.zhang@analog.com> + + * config.gcc (bfin*-linux-uclibc*): Set extra_parts + to "crtbegin.o crtbeginS.o crtend.o crtendS.o". + * config/bfin/t-bfin-linux (crti.o): Don't build. + (crtn.o): Likewise. + (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o. + * config/bfin/t-bfin-uclinux (crti.o): Don't build. + (crtn.o): Likewise. + (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o. + +2007-09-27 Ollie Wild <aaw@google.com> + + * varasm.c (compare_constant): Removed call to + lang_hooks.expand_constant. + (copy_constants): Removed call to lang_hooks.expand_constant. + (compute_reloc_for_constant): Removed call to + lang_hooks.expand_constant. + (output_addressed_constants): Removed call to + lang_hooks.expand_constant. + (constructor_static_from_elts_p): Removed call to + lang_hooks.expand_constant. + (output_constant): Removed calls to lang_hooks.expand_constant. + * langhooks.h (struct lang_hooks): Removed field expand_constant. + * langhooks-def.h (lhd_return_tree): Removed. + (LANG_HOOKS_EXPAND_CONSTANT): Removed. + (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT. + * langhooks.c (lhd_return_tree): Removed. + +2007-09-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR middle-end/33436 + * expr.c (emit_group_load_1): Split constant double when destination + length is half source length. + +2007-09-27 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.h (PTF_AVOID_BRANCHLIKELY): New macro. + (mips_cpu_info): Add tune_flags. + (GENERATE_BRANCHLIKELY): Remove TARGET_SR71K check. + * config/mips/mips.c (mips_cpu_info_table): Add tune_flags fields. + Remove end marker. + (override_options): Remove deprecation code. Use branch-likely + instructions for optimize_size or if the tuning flags do not + suggest otherwise. Tweak warning. + (mips_matching_cpu_name_p, mips_parse_cpu): Use ARRAY_SIZE. + +2007-09-27 Matthias Klose <doko@ubuntu.com> + + * config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the + multilib osdirname if it exists. + * config/rs6000/t-linux64 (MULTILIB_OSDIRNAMES): Likewise. + +2007-09-27 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/33565 + * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING on + assignments of comparisons. + * tree-ssa-sccvn.c (simplify_binary_expression): Add stmt + parameter. Change caller. Defer overflow warnings around call to + fold_binary. + * fold-const.c (fold_undefer_overflow_warnings): Don't warn if + TREE_NO_WARNING is set on the statement. + * tree-ssa-forwprop.c + (tree_ssa_forward_propagate_single_use_vars): Don't test + TREE_NO_WARNING when calling fold_undefer_overflow_warnings. + * tree-cfg.c (fold_cond_expr_cond): Likewise. + +2007-09-27 Joseph Myers <joseph@codesourcery.com> + + * config/rs6000/rs6000.c (rs6000_legitimize_address): Do not + reduce offset by units of 0x10000 for SPE vector modes or modes + used with E500 double instructions. + +2007-09-04 Paolo Bonzini <bonzini@gnu.org> + + * simplify-rtx.c (comparison_result): New. + (simplify_const_relational_operation): Use it instead of the five + "equal|op[01]ltu?" variables; consequently remove redundant "else"s. + Improve bounds-checking optimizations; remove subsumed POPCOUNT + optimizations. Extract nonzero_address_p optimizations into a + separate "if" together with optimizations where op1 is const0_rtx. + Optimize comparing an IOR with zero. Simplify op0 RELOP op0 for + floating-point arguments too when appropriate. Hoist test for ABS + outside the final switch statement. + * cse.c (fold_rtx): Don't look for an IOR equivalent of + folded_arg0 if we found a constant equivalent. Remove + transformations done in simplify-rtx.c for "op0 RELOP op0". + +2007-09-27 Jakub Jelinek <jakub@redhat.com> + + * builtins.c (expand_builtin, expand_builtin_object_size, + expand_builtin_memory_chk, maybe_emit_chk_warning, + maybe_emit_sprintf_chk_warning): Use new %K format string specifier + for diagnostics. + * expr.c (expand_expr_real_1): Likewise. + * langhooks-def.h (struct diagnostic_info): Add forward decl. + (lhd_print_error_function): Add third argument. + * langhooks.h (struct diagnostic_info): Add forward decl. + (struct lang_hooks): Add third argument to print_error_function. + * diagnostic.h (diagnostic_info): Add abstract_origin field. + (diagnostic_last_function_changed, diagnostic_set_last_function): Add + second argument. + (diagnostic_report_current_function): Likewise. + * toplev.c (announce_function): Pass NULL as second argument to + diagnostic_set_last_function. + * diagnostic.c (diagnostic_report_current_function): Add second + argument, pass it as third argument to lang_hooks.print_error_function. + (default_diagnostic_starter): Pass DIAGNOSTIC as second argument + to diagnostic_report_current_function. + (diagnostic_report_diagnostic): Initialize diagnostic->abstract_origin + and message.abstract_origin. + (verbatim): Initialize abstract_origin. + * pretty-print.h (text_info): Add abstract_origin field. + * pretty-print.c (pp_base_format): Handle %K. + * langhooks.c (lhd_print_error_function): Add third argument. If + diagnostic->abstract_origin, print virtual backtrace. + * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table, + gcc_cdiag_char_table, gcc_cxxdiag_char_table): Support %K. + (init_dynamic_diag_info): Likewise. + +2007-09-26 David Daney <ddaney@avtrex.com> + + PR target/33479 + * config/mips/mips.md (sync_compare_and_swap<mode>, sync_old_add<mode>, + sync_new_add<mode>, sync_old_<optab><mode>, sync_new_<optab><mode>, + sync_old_nand<mode>, sync_new_nand<mode>, + sync_lock_test_and_set<mode>): Fix '&' constraint modifiers. + Update length attributes. + (sync_add<mode>, sync_sub<mode>, sync_old_sub<mode>, + sync_new_sub<mode>, sync_<optab><mode>, sync_nand<mode>): Update + length attributes. + * config/mips/mips.h (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, + MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, + MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Add + post-loop sync. + +2007-09-26 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33563 + * tree-ssa-dse.c (get_use_of_stmt_lhs): Rename to ... + (get_kill_of_stmt_lhs): ... this. Re-structure. Handle + aggregate stores. + (dse_optimize_stmt): Call get_kill_of_stmt_lhs instead of + get_use_of_stmt_lhs. + +2007-09-26 Joseph Myers <joseph@codesourcery.com> + + PR c/25309 + * c-common.c (complete_array_type): Diagnose too-large arrays and + set type to error_mark_node. + +2007-09-26 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/30375 + PR tree-optimization/33560 + * tree-ssa-dse.c (get_use_of_stmt_lhs): Give up on uses + with calls. + + Revert + 2006-05-22 Aldy Hernandez <aldyh@redhat.com> + + * tree-ssa-dse.c (aggregate_vardecl_d): New. + (dse_global_data): Add aggregate_vardecl field. + (dse_possible_dead_store_p): New. + Add prev_defvar variable. + Allow immediate uses and previous immediate uses to differ + if they are setting different parts of the whole. + (get_aggregate_vardecl): New. + (dse_record_partial_aggregate_store): New. + (dse_whole_aggregate_clobbered_p): New. + (dse_partial_kill_p): New. + Call dse_maybe_record_aggregate_store(). + When checking whether a STMT and its USE_STMT refer to the + same memory address, check also for partial kills that clobber + the whole. + Move some variable definitions to the block where they are used. + (aggregate_vardecl_hash): New. + (aggregate_vardecl_eq): New. + (aggregate_vardecl_free): New. + (aggregate_whole_store_p): New. + (tree_ssa_dse): Initialize and free aggregate_vardecl. + Mark which aggregate stores we care about. + +2007-09-25 DJ Delorie <dj@redhat.com> + + PR target/33551 + * config/m32c/m32c.c (m32c_immd_dbl_mov): Use INTVAL instead of XINT. + +2007-09-25 Michael Meissner <michael.meissner@amd.com> + + PR target/33524 + * config/i386/i386.c (ix86_expand_sse5_unpack): Change to call + gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di + for vector int32 -> int64 conversions. Don't write beyond the end + of the allocated vector for int32 -> int64 conversions. + +2007-09-25 Revital Eres <eres@il.ibm.com> + + * config/rs6000/paired.h (paired_sel): New. + * config/rs6000/rs6000.c (bdesc_3arg): Add selv2sf4. + (rs6000_expand_ternop_builtin): Pass zero const_double operand + when expanding selv2sf. + * config/rs6000/rs6000.h (rs6000_builtins): Add + PAIRED_BUILTIN_SELV2SF4. + +2007-09-25 Joseph Myers <joseph@codesourcery.com> + + PR c/32295 + * c-typeck.c (default_conversion): Call require_complete_type + before perform_integral_promotions. + (build_unary_op): Call require_complete_type except for ADDR_EXPR. + (build_c_cast): Call require_complete_type except for casts to + void types. + (convert_for_assignment): Call require_complete_type. + +2007-09-25 Revital Eres <eres@il.ibm.com> + + * config/spu/spu.md: Fix doloop pattern. + +2007-09-25 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (expand_prologue_reg_save, + expand_epilogue_reg_restore): Code to save and restore I/M/B/L regs + and ASTAT moved here... + (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue): + ... from here. New argument ALL; callers changed. + (n_regs_saved_by_prologue): Count ASTAT for plain saveall functions. + (bfin_expand_prologue, bfin_expand_epilogue): Deal with functions that + have the "saveall" attribute. + +2007-09-25 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.h (FUNCTION_INCOMING_ARG_REGNO_P): Don't define + bogus target macro. + (INCOMING_REGNO, OUTGOING_REGNO): Define. + * config/mmix/mmix.c (mmix_opposite_regno): New function. + * config/mmix/mmix-protos.h (mmix_opposite_regno): Prototype. + + * config/mmix/mmix.md ("*cmpcc_folded"): In condition, gate + with REG_P tests before REGNO access. + +2007-09-24 DJ Delorie <dj@redhat.com> + + PR target/31482 + * config/m32c/cond.md (stzx_reversed_<mode>): Add an output + constraint. + (movqicc_<code>_<mode>): Likewise. + (movhicc_<code>_<mode>): Likewise. + +2007-09-24 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/33184 + * config/m32c/m32c.c (m32c_eh_return_data_regno): Leave an address + register for reload. + +2007-09-24 Danny Smith <dannysmith@user.sourceforge.net> + + PR c++/14688 + * config/i386/i386.c (ix86_comp_type_attributes): Check + METHOD_TYPE too. + +2007-09-24 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.h (ASM_OUTPUT_ALIGN_WITH_NOP): New, use + "move.l %a4,%a4" to produce nops. + * config/m68k/m68k.c (override_options): Reset align options, + if neccessary align macro isn't avaible. + +2007-09-24 Roman Zippel <zippel@linux-m68k.org> + + config/m68k/linux.h (PREFERRED_STACK_BOUNDARY): New. + +2007-09-24 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave + the basic block. + * config/m68k/m68k.md (movsi_m68k): Allow certain constant when + reload is completed. + (peephole pattern): Convert most of them to RTL peephole pattern. + +2007-09-24 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.c (notice_update_cc): Recognize fp compare + (moved from fp compare patterns). + * config/m68k/m68k.md (cmp<mode>, cmp<mode>_68881, cmp<mode>_cf): + Cleanup predicates to relieve reload. + (conditional_trap): Reject conditional trap with fp condition. + * config/m68k/predicates.md (fp_src_operand): New, reject + certain constants early. + +2007-09-24 Roman Zippel <zippel@linux-m68k.org> + + * final.c (final_scan_insn): Remove accidentally duplicated code. + +2007-09-24 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * config.gcc (powerpc*-*-*): --with-cpu=cell is a 64bit CPU. + Allow --with-tune=cell and --with-cpu=cell. + +2007-09-24 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000-protos.h (rs6000_emit_swrsqrtsf): Declare. + * config/rs6000/rs6000.opt (swdiv): Change option to ... + (recip): this. + * config/rs6000/rs6000.c (rs6000_builtin_reciprocal): New + function. + (TARGET_BUILTIN_RECIPROCAL): Use it. + (rs6000_builtin_expand): Expand recip, recipf, and rsqrtf. + (rs6000_init_builtins): Initialize recip, recipf, and rsqrtf. + (rs6000_emit_swrsqrtsf): New. + * config/rs6000/rs6000.h (rs6000_builtins): Add recip, recipf, and + rsqrtf. + * config/rs6000/rs6000.md (UNSPEC_RSQRT): Define. + (divsf3): Remove swdiv support. + (recipsf3): New. + (rsqrtsf2): New. + (rsqrt_internal1): New. + (divdf3): Remove swdiv support. + (reciptdf3): New. + +2007-09-24 Jakub Jelinek <jakub@redhat.com> + + PR c++/33506 + * langhooks.h (struct lang_hooks_for_types): Add type_hash_eq + field. + * langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define. + (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_TYPE_HASH_EQ. + * tree.c (type_hash_eq): For FUNCTION_TYPE use + lang_hooks.type.type_hash_eq in addition to generic tests. + +2007-09-24 Pranav Bhandarkar <pranav.bhandarkar@celunite.com> + Ramana Radhakrishnan <ramana@hercules.pun.celunite.com> + + * tree-inline.h (eni_weights): Add field target_builtin_cost to + reflect the cost per call to a target specific builtin. + * tree-inline.c (estimate_num_insns_1): If it is a CALL_EXPR for a + call to a target specific builtin, then use target_builtin_call_cost. + (init_inline_once): Initialize target_builtin_call_cost field. + +2007-09-24 Kai Tietz <kai.tietz@onevision.com> + + PR middle-end/33472 + * config/i386/i386.c (return_in_memory_ms_64): Handle return types for + complex types. + +2007-09-23 H.J. Lu <hongjiu.lu@intel.com> + + * configure.ac (ld_vers): Support GNU linker version xx.xx.* + * configure: Regenerated. + +2007-09-23 Ollie Wild <aaw@google.com> + + * fold-const.c (fold_binary): Fold BIT_AND_EXPR's with a pointer + operand. + (get_pointer_modulus_and_residue): New function. + +2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (build_mips16_call_stub): On 64-bit targets, + combine an SC return value into a single register. + +2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk> + + * opth-gen.awk (target_flags_explicit): Declare. + * toplev.h (target_flags_explicit): Delete declaration. + * toplev.c (target_flags): Likewise. + * config/mips/mips.h (mips_llsc_setting, mips_llsc): Delete. + (GENERATE_SYNC, GENERATE_LL_SC): Redefine using target_explicit_flags. + Never return true for TARGET_MIPS16. + * config/mips/mips.c (mips_llsc): Delete. + (mips_handle_option): Remove -mllsc handling. + (mips_strip_unspec_address): Tweak comment. + * config/mips/mips.opt (mllsc): Use a target mask. + +2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk> + + * doc/tm.texi (POINTERS_EXTEND_UNSIGNED): Document extensions to + word_mode as well as Pmode. + +2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk> + + * function.c (assign_parm_setup_block): Explicitly convert BLKmode + parameters from word_mode to the subword type if such a truncation + is not a no-op. + +2007-09-23 Jakub Jelinek <jakub@redhat.com> + + * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above. + * configure: Regenerated. + +2007-09-23 Jan Hubicka <jh@suse.cz> + + * params.def (INLINE_CALL_COST): Set to 12. + * invoke.texi (inline-call-cost): Update default value. + +2007-09-23 Eric Botcazou <ebotcazou@adacore.com> + + * config/alpha/alpha.md (movti): Use operand_subword for the split. + +2007-09-23 Ayal Zaks <zaks@il.ibm.com> + Revital Eres <eres@il.ibm.com> + + * modulo-sched.c (doloop_register_get): Rewrite the loop which + checks whether the count_reg is found outside the control part. + +2007-09-23 Jakub Jelinek <jakub@redhat.com> + + * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl + instead of checking CALL_EXPR_FN directly to test for builtins. + If error or warning attributes are present, print + error resp. warning. + * c-common.c (handle_error_attribute): New function. + (c_common_attribute_table): Add error and warning + attributes. + * doc/extend.texi: Document error and warning attributes. + + * tree.h (block_nonartificial_location): New prototype. + * tree.c (block_nonartificial_location): New function. + * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial + if artificial attribute is present on abstract inline decl. + * c-common.c (handle_artificial_attribute): New function. + (c_common_attribute_table): Add artificial attribute. + * final.c (override_filename, override_linenum): New variables. + (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename + and override_linenum if inside of a block inlined from + __attribute__((__artificial__)) function. + (notice_source_line): Honor override_filename and override_linenum. + * doc/extend.texi: Document __attribute__((__artificial__)). + * config/i386/emmintrin.h: Add __artificial__ attribute to + all __always_inline__ functions. + * config/i386/mmintrin.h: Likewise. + * config/i386/tmmintrin.h: Likewise. + * config/i386/mm3dnow.h: Likewise. + * config/i386/pmmintrin.h: Likewise. + * config/i386/ammintrin.h: Likewise. + * config/i386/xmmintrin.h: Likewise. + * config/i386/smmintrin.h: Likewise. + * config/i386/bmmintrin.h: Likewise. + * config/i386/mmintrin-common.h: Likewise. + + PR middle-end/28755 + * expr.c (expand_constructor): New function. + (expand_expr_real_1) <case CONSTRUCTOR>: Call it. + (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is + CONSTRUCTOR. + +2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (dump_constants_1): Generalize to include + fractional and accumulator modes. + +2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros. + * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP + flags for MIPS16. + (override_options): Check TARGET_HARD_FLOAT_ABI instead of + TARGET_HARD_FLOAT when testing whether -mpaired-single is + supported. + (mips_conditional_register_usage): Check ISA_HAS_DSP instead of + TARGET_DSP. + * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of + TARGET_DSPR2. + * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF. + (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require + TARGET_HARD_FLOAT. + (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check + ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2. + * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP + throughout. + * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and + TARGET_HAS_DSPR2. + * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2 + instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2. + * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns. + +2007-09-22 Jason Merrill <jason@redhat.com> + + PR c++/19407 + * attribs.c (lookup_attribute_spec): Split out... + (decl_attributes): From here. + * tree.h: Declare it. + +2007-09-22 Richard Sandiford <rsandifo@nildram.co.uk> + + * doc/sourcebuild.texi: Document dg-add-options mips16_attribute. + +2007-09-22 Eric Botcazou <ebotcazou@adacore.com> + + * tree-inline.c (remap_type_1): Correctly chain variants. + +2007-09-22 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33146 + * fold-const.c (fold_binary): Use the original tree for negating. + * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer + also changes "sign". + +2007-09-22 Eric Botcazou <ebotcazou@adacore.com> + + PR target/32325 + * except.c (finish_eh_generation): Call commit_edge_insertions if + there are insns queued on the entry edge. + * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on + the entry edge. + +2007-09-22 Richard Sandiford <rsandifo@nildram.co.uk> + + * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document. + +2007-09-19 Michael Meissner <michael.meissner@amd.com> + + * config/i386/i386.c: Delete trailing whitespace. + * config/i386/i386.h: Ditto. + * config/i386/bmmintrin.h: Ditto. + * config/i386/sync.md: Ditto. + * config/i386/ppro.md: Ditto. + * config/i386/mmx.md: Ditto. + * config/i386/constraints.md: Ditto. + * config/i386/sse.md: Ditto. + * config/i386/athlon.md: Ditto. + * config/i386/i386.md: Ditto. + +2007-09-21 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33508 + * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid + quadratic loop by keeping a bitmap of variables we have + to clobber all subvariables for. + (set_initial_properties): Likewise. + +2007-09-21 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete. + +2007-09-20 Nigel Stephens <nigel@mips.com> + Chao-ying Fu <fu@mips.com> + + * c-decl.c (finish_declspecs): When _Sat is used without + _Fract or _Accum, set the default type to cts_fract. + This avoids a warning of "type defaults to int". + +2007-09-20 Joseph Myers <joseph@codesourcery.com> + + * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool + bit-fields wider than one bit. + +2007-09-20 Jakub Jelinek <jakub@redhat.com> + + PR debug/33316 + * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL + DECL_NAME. + * dbxout.c (dbxout_type): Likewise. + + PR c/33238 + PR c/27301 + * gimplify.c (gimplify_vla_decl): New function. + (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl. + Call it. + (gimplify_target_expr): Handle variable length TARGET_EXPRs. + +2007-09-20 Richard Sandiford <rsandifo@nildram.co.uk> + + * doc/invoke.texi (-minterlink-mips16): Document. + * config/mips/mips.opt (minterlink-mips16): New option. + * config/mips/mips.c (mips_function_ok_for_sibcall): Handle + -minterlink-mips16 + +2007-09-20 Joseph Myers <joseph@codesourcery.com> + + * doc/extend.texi (Attribute Syntax): Remove old speculative + future direction. + +2007-09-20 Mark Shinwell <shinwell@codesourcery.com> + + * combine.c: Include cgraph.h. + (setup_incoming_promotions): Rework to allow more aggressive + elimination of sign extensions when all call sites of the + current function are known to lie within the current unit. + +2007-09-20 Richard Sandiford <rsandifo@nildram.co.uk> + + * dse.c (find_shift_sequence): No-op rework of control flow. + +2007-09-19 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (build_mips16_call_stub): Tidy. Fix second + GPR for DCmode on 64-bit targets. Remove redundant fallback. + +2007-09-19 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * cfgexpand.c (dump_stack_var_partition): Use the correct + index for the offset. + +2007-09-19 Joseph Myers <joseph@codesourcery.com> + + * config/mips/sde.h: Switch to GPLv3. + +2007-09-19 Eric Botcazou <ebotcazou@adacore.com> + + * tree-sra.c (decide_block_copy): Decide if there are groups. + +2007-09-19 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.c (output_move_himode): Remove jump table + recognition. + config/m68k/m68k.md (lea): Likewise. + * config/m68k/m68k.c (print_operand_address): Use simple pc + relative addressing. + +2007-09-19 Bernd Schmidt <bernd.schmidt@analog.com> + + * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument. + * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument + default definition. + (asm_insn_count): Pass template as second argument to it. + * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise. + * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise. + * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise. + * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise. + * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise. + (sh_insn_length_adjustment): Pass template as second argument to it. + * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro. + + * config/bfin/bfin.md (define_asm_attributes): New. + +2007-09-19 Jie Zhang <jie.zhang@analog.com> + + * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h + to tm_file. + * config/bfin/print-sysroot-suffix.sh: New. + * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove. + (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES, + MULTILIB_EXCEPTIONS): Redefine with new multilibs. + * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove. + (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES, + MULTILIB_EXCEPTIONS): Redefine with new multilibs. + * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove. + (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES, + MULTILIB_EXCEPTIONS): Redefine with new multilibs. + (linux-sysroot-suffix.h): New target. + * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask. + (mspecld-anomaly): Likewise. + * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from + (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525, + BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542, + BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549. + (bfin_si_revision): Declare. + (bfin_workarounds): Declare. + (WA_SPECULATIVE_LOADS): Define. + (ENABLE_WA_SPECULATIVE_LOADS): Define. + (WA_SPECULATIVE_SYNCS): Define. + (ENABLE_WA_SPECULATIVE_SYNCS): Define. + * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o. + (LIB_SPEC): Add %s to the linker scripts. + Use proper linker script for bf522, bf525, bf527, + bf538, bf539, bf542, bf544, bf548, and bf549. + * config/bfin/bfin.c (bfin_si_revision): Define. + (bfin_workarounds): Define. + (struct bfin_cpu): New. + (bfin_cpus): New. + (bfin_handle_option): Handle silicon revision part of -mcpu option. + (override_options): Set bfin_workarounds. + (length_for_loop): Replace TARGET_CSYNC_ANOMALY with + ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with + ENABLE_WA_SPECULATIVE_LOADS. + (bfin_reorg): Likewise. + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define + macros for bf522, bf525, bf527, bf538, bf539, + bf542, bf544, bf548, and bf549. + Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed. + Don't define __ID_SHARED_LIB__ when -msep-data. + (TARGET_DEFAULT): Define as 0. + (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option. + * doc/invoke.texi (Blackfin Options): Document silicon + revision part of -mcpu option and it now accepts bf522, bf525, + bf527, bf538, bf539, bf542, bf544, bf548, and bf549. + +2007-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alias.c (memory_modified_1): Deconstify. + (memory_modified_in_insn_p): Don't use const_note_stores. + * rtl.h (const_note_stores): Delete. + * rtlanal.c (const_note_stores): Likewise. + +2007-09-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * dse.c (find_shift_sequence): Temporarily revert to forbidding + word shifts. + +2007-09-18 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/33388 + PR target/33397 + * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO(). + (addsi_small_int): Likewise. + (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison. + (one_cmplsi2): Likewise. + (negsi2): Delete. + (enter_func): Expand insn using hard_frame_pointer_rtx and + stack_pointer_rtx. + (*enter_func): New. + * config/fr30/fr30.c (fr30_expand_prologue): Check for + hard_frame_pointer_rtx instead of using REGNO() check. + Properly sign extend GEN_INT() argument. + +2007-09-18 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.c (override_options): Remove USE_GAS, + use %. syntax. + (output_dbcc_and_branch, output_scc_di): Replace all jbcc + alternatives with just jcc. + * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di, + bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev, + bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si, + dbge_hi, dbge_si): Likewise. + +2007-09-18 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered, + bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev, + bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev, + bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev, + bunlt_rev, bltgt_rev): Replace all fbcc with fjcc. + +2007-09-18 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/m68k-devices.def (51qe): New device. + * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit. Add it + to all uses of FL_FOR_isa_c for compatibility. + (all_microarchs): Add cfv1 microarchitecture. + (m68k_handle_option): Handle m51qe option. + * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE. + (TUNE_CFV1): New macro. + (enum uarch_type): Add ucfv1. + * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture. + +2007-09-18 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/31863 + * tree-ssa-structalias.c (create_variable_info_for): Always + free the fieldstack. + +2007-09-18 Dorit Nuzman <dorit@il.ibm.com> + + * opts.c (decode_options): Enable vectorization under -O3. + +2007-09-18 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33340 + * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to + SSA_NAMEs that occur in abnormal PHI nodes. + +2007-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p): + Don't use const_get_call_expr_in. + * tree-gimple.c (const_get_call_expr_in): Delete. + * tree-gimple.h (const_get_call_expr_in): Likewise. + +2007-09-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * df-scan.c (df_notes_rescan): Do nothing if the instruction does + not yet have a basic block. + * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN. + +2007-09-18 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_file_start): Add ".previous" directives + to both ".section"s. + +2007-09-17 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_output_mi_thunk): Use + mips_function_ok_for_sibcall and const_call_insn_operand + to determine if a direct sibcall is allowed. Use + mips_classify_symbol to determine a global pointer is needed. + +2007-09-17 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand. + +2007-09-17 Chao-ying Fu <fu@mips.com> + Nigel Stephens <nigel@mips.com> + + * config/fixed-bit.h: New file. + * config/fixed-bit.c: New file. + * doc/libgcc.texi (Fixed-point fractional library routines): New node. + +2007-09-18 Jakub Jelinek <jakub@redhat.com> + + * c-format.h (format_kind_info): Add alloc_char field. + * c-format.c (scanf_flag_specs): Add 'm'. + (scanf_flag_pairs): Add 'a', 'm' pair. + (scan_char_table): Allow 'm' modifier for c, s, [, C and S. + (format_types_orig): Add alloc_char fields. + (check_format_info_main): Rename aflag to alloc_flag. + Handle fki->alloc_char. modifier after width and before length + modifiers. Move FMT_FLAG_SCANF_A_KLUDGE handling before + length modifiers as well. + * config/sol2-c.c (solaris_format_types): Add alloc_char field. + + PR middle-end/33423 + * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs + returned by build_call_expr. + +2007-09-17 Eric Botcazou <ebotcazou@adacore.com> + + * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return + NULL for variable-sized records too. + (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too. + +2007-09-17 Tom Tromey <tromey@redhat.com> + + * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC. + (c_builtin_function): Likewise. + (grokdeclarator): Likewise. + +2007-09-17 Zdenek Dvorak <ook@ucw.cz> + + PR rtl-optimization/26449 + * loop-invariant.c (move_invariant_reg): Do not use force_operand. + (seq_insns_valid_p): Removed. + +2007-09-17 Eric Botcazou <ebotcazou@adacore.com> + + * tree-nomudflap.c (gate_mudflap): New static function. + (pass_mudflap_1): Use it as gate function. + (pass_mudflap_2): Likewise. + +2007-09-17 Jan Hubicka <jh@suse.cz> + + PR middle-end/33348 + PR target/33406 + * loop-invariant.c (move_invariant_reg): Unshare sequence. + +2007-09-17 Victor Kaplansky <victork@il.ibm.com> + + PR tree-optimization/33319 + * tree-vect-analyze.c (vect_same_range_drs): New. + (vect_vfa_range_equal): New. + (vect_is_duplicate_ddr): Removed. + (vect_mark_for_runtime_alias_test): Do not perform marking when + optimizing for size or max_param for alias checking is zero. + Move the function before vect_analyze_data_ref_dependence. + (vect_analyze_data_ref_dependence): Add call to + vect_mark_for_runtime_alias_test in two cases when dependence + is not clear. + (vect_analyze_data_ref_dependences): Do not call to + vect_mark_for_runtime_alias_test. + (vect_prune_runtime_alias_test_list): New. + (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list. + * tree-vect-transform.c (vect_estimate_min_profitable_iters): + Update vec_outside_cost. + (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT. + (vect_create_cond_for_alias_checks): Build the base address of data + reference from DR_GROUP_FIRST_DR. + (vect_loop_versioning): New. + (vect_transform_loop): Add a call to vect_loop_versioning. + Remove factored out code. + +2007-09-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR middle-end/33273 + * expr.c (store_expr): Call adjust_address to change mode of dest_mem + to BLKmode. + +2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk> + + * dse.c (find_shift_sequence): Allow word as well as subword shifts. + Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set. + Fix the call to insn_rtx_cost. Skip access sizes that require a + real truncation of the store register. Use convert_move instead + of gen_lowpart when narrowing the result. + (replace_read): Use convert_move instead of gen_lowpart when + narrowing the store rhs. + +2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.md (SHORT): Fix long line. + (SUBDI): New mode iterator. Extend the shift-and-truncate insns + to QImode and HImode. + +2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define. + +2007-09-15 Zdenek Dvorak <ook@ucw.cz> + + * tree-parloops.c: New file. + * tree-ssa-operands.h (free_stmt_operands): Declare. + * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic + block. + * tree-pass.h (pass_parallelize_loops): Declare. + * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for + virtual operands. + (build_omp_regions_1): Allow analysing just a single OMP region and + its subregions. + ( build_omp_regions_root, omp_expand_local): New functions. + (build_omp_regions): Add argument to build_omp_regions_1 call. + * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when + autoparallelization is run. + * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New. + * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops, + pass_parallelize_loops): New. + * common.opt (ftree-parallelize-loops): New. + * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail, + parallelize_loops): Declare. + (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed. + * Makefile.in (tree-parloops.o): Added. + * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail): + New functions. + (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge. + (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for + one extra edge as well. + (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy. + Use VEC_free to free doms vector. + (move_block_to_fn): Update loop info. Remove phi nodes for virtual + operands. Recompute operand caches in the new function. + (move_sese_region_to_fn): Update loop info. + * passes.c (init_optimization_passes): Add pass_parallelize_loops. + * tree-ssa-operands.c (free_stmt_operands): New function. + + * doc/passes.texi: Document autoparallelization. + * doc/invoke.texi (-ftree-parallelize-loops): New option. + +2007-09-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/33062 + * pa.c (function_value): Use GET_MODE_BITSIZE instead of + TYPE_PRECISION. + +2007-09-15 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if + the VEC is not NULL. + (vectorizable_type_demotion, vectorizable_type_promotion): Check that + get_vectype_for_scalar_type succeeded. + (vectorizable_conversion): Likewise. + +2007-09-14 Jan Hubicka <jh@suse.cz> + + * config/i386/i386.md (*floatdi<mode>2_i387): Guard against + TARGET_64BIT. + +2007-09-14 Uros Bizjak <ubizjak@gmail.com> + + PR target/33438 + * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary + register when operands[2] equals operands[1]. + (remainderxf3): Ditto. + +2007-09-14 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document. + * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define. + (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to declaration. + (_Unwind_ForcedUnwind): Likewise. + (_Unwind_Resume): Likewise. + (_Unwind_Resume_or_Rethrow): Likewise. + (_Unwind_Backtrace): Likewise. + (_Unwind_SjLj_RaiseException): Likewise. + (_Unwind_SjLj_ForcedUnwind): Likewise. + (_Unwind_SjLj_Resume): Likewise. + (_Unwind_SjLj_Resume_or_Rethrow): Likewise. + * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE + to definition. + (_Unwind_ForcedUnwind): Likewise. + (_Unwind_Resume): Likewise. + (_Unwind_Resume_or_Rethrow): Likewise. + (_Unwind_Backtrace): Likewise. + * unwind-compat.c (_Unwind_Backtrace): Likewise. + (_Unwind_ForcedUnwind): Likewise. + (_Unwind_RaiseException): Likewise. + (_Unwind_Resume): Likewise. + (_Unwind_Resume_or_Rethrow): Likewise. + + * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force + nomips16 mode when IN_LIBGCC2 with hard float. + +2007-09-14 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/sdemtk.opt: Update to GPLv3. + * config/mips/sdemtk.h: Likewise. + +2007-09-14 Nigel Stephens <nigel@mips.com> + + * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set + MIPS_ISA_DEFAULT appropriately. Don't make soft-float the default + for mipsisa32-*-linux*. + +2007-09-14 Nigel Stephens <nigel@mips.com> + David Ung <davidu@mips.com> + Thiemo Seufer <ths@mips.com> + Richard Sandiford <richard@codesourcery.com> + + * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries. + * configure.ac: Add a mipssde threading type. + * configure: Regenerate. + * config/mips/sdemtk.h: New file. + * config/mips/t-sdemtk: Likewise. + * config/mips/sdemtk.opt: Likewise. + * gthr-mipssde.h: Likewise. + * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h. + * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro. + (MIPS_ICACHE_SYNC): New macro, split from ... + * config/mips/mips.md (clear_cache): ...here. + * config/mips/mips.c (mips_save_reg_p): Check + MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions. + (build_mips16_function_stub): Use targetm.strip_name_encoding. + (build_mips16_call_stub): Likewise. + +2007-09-14 Richard Sandiford <richard@codesourcery.com> + + * Makefile.in (stmp-int-hdrs): Depend on fixinc_list. + +2007-09-14 Jakub Jelinek <jakub@redhat.com> + + PR target/32337 + * config/ia64/ia64.c (find_gr_spill): Don't decrement + current_frame_info.n_local_regs. Don't return emitted local regs. + (ia64_compute_frame_size): Improve unwind hack to put + RP, PFS, FP in that order by allowing some of the registers + been already emitted, as long as they are emitted to the + desired register. + +2007-09-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx, + vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats, + vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics. + +2007-09-13 Eric Christopher <echristo@apple.com> + Kenneth Zadeck <zadeck@naturalbridge.com> + + * dse.c (find_shift_sequence): New function. + (replace_read): Add case to remove read if it requires shift. + * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment. + +2007-09-13 Tom Tromey <tromey@redhat.com> + + * c-common.c (fname_as_string): Update. + * c-parser.c (c_parser) <lex_untranslated_string>: New field. + (c_lex_one_token): Update. Add 'parser' argument. + (c_parser_simple_asm_expr): Update. + (c_parser_attributes): Update. + (c_parser_asm_statement): Update. + (c_parser_asm_operands): Update. + (c_parser_peek_token): Update. + (c_parser_peek_2nd_token): Update. + * c-lex.c (c_lex_string_translate): Remove. + (c_lex_return_raw_strings): Likewise. + (c_lex_with_flags): Added 'lex_flags' argument. + (lex_string): Added 'translate' argument. + * c-pragma.h (c_lex_with_flags): Update. + (c_lex_string_translate, c_lex_return_raw_strings): Remove. + (C_LEX_STRING_NO_TRANSLATE): New define. + (C_LEX_RAW_STRINGS): Likewise. + +2007-09-13 Bernd Schmidt <bernd.schmidt@analog.com> + + From Jie Zhang: + * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES, + BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40, + BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU. + (bfin_init_builtins): Initialize __builtin_bfin_ones, + __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16, + __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32, + __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub, + __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40, + __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16. + (bdesc_1arg): Add __builtin_bfin_ones. + (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40, + __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40, + and __builtin_bfin_csqu_fr16. + * config/bfin/bfin.md (UNSPEC_ONES): New constant. + (ones): New define_insn. + (ssaddhi3_parts): New define_insn. + (sssubhi3_parts): New define_insn. + (flag_mulhi_parts): New define_insn. + +2007-09-13 Seongbae Park <seongbae.park@gmail.com> + + * common.opt (femit-class-debug-always): Turn off by default. + +2007-09-13 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns. + * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them. + +2007-09-13 James E. Wilson <wilson@specifix.com> + + PR tree-optimization/33389 + * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true, + then set build_loads before returning. + +2007-09-13 Sandra Loosemore <sandra@codesourcery.com> + David Ung <davidu@mips.com> + + * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with + {d}addiu and a negative immediate such that it works with MIPS16 + instructions. + +2007-09-13 H.J. Lu <hongjiu.lu@intel.com> + + PR bootstrap/33418 + * configure.ac (ld_vers): Support Linux linker. + * configure: Regenerated. + +2007-09-13 Richard Sandiford <richard@codesourcery.com> + Sandra Loosemore <sandra@codesourcery.com> + + * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete. + (SYMBOL_REF_MIPS16_FUNC_P): Delete. + * config/mips/mips.c (mips_attribute_table): Turn mips16 and + nomips16 into decl attributes. + (TARGET_INSERT_ATTRIBUTES): Override. + (TARGET_MERGE_DECL_ATTRIBUTES): Likewise. + (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true. + (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of... + (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions. + (mips_comp_type_attributes): Remove mips16 and nomips16 handling. + (mips_use_mips16_mode_p): Reimplement as a function that takes + a decl and considers only decl attributes. If the decl is nested + function, use its parent attributes. + (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p + instead of SYMBOL_REF_MIPS16_FUNC_P. + (mips_set_mips16_mode): Move call to sorry here from old + mips_use_mips16_mode_p. + (mflip_mips16_entry): New structure. + (mflip_mips16_htab): New variable. + (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions. + (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise. + (mips_merge_decl_attributes): New function. + (mips_set_current_function): Reinstate call to mips_set_mips16_mode. + Use mips_use_mips16_mode_p. + (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of + SYMBOL_REF_MIPS16_FUNC_P. + (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC. + +2007-09-13 Richard Sandiford <richard@codesourcery.com> + + * c-parser.c (c_parser_struct_declaration): Check for a null return. + +2007-09-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR driver/33309 + * gcc.c (xputenv): Make argument const, and use CONST_CAST. + +2007-09-12 Michael Meissner <michael.meissner@amd.com> + Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + Tony Linthicum <tony.linthicum@amd.com> + + * tree.h (function_args_iterator): New type to iterate over + function arguments. + (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over + function arguments providing a pointer to the argument. + (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over + function arguments providing the argument. + (function_args_iter_init): Inline function to initialize + function_args_iterator. + (function_args_iter_cond_ptr): Inline function to return the next + pointer to hold the argument. + (function_args_iter_cond): Inline function to return the next + argument. + (function_args_iter_cond_next): Advance the function args iterator. + (stdarg_p): New function, return true if variable argument function. + (prototype_p): New function, return true if function is prototyped. + (function_args_count): New function, count the number of arguments + of a function. + + * tree.c (stdarg_p): New function, return true if variable + argument function. + (prototype_p): New function, return true if function is prototyped. + + * config/i386/i386.h (TARGET_SSE5): New macro for SSE5. + (TARGET_ROUND): New macro for the round/ptest instructions which + are shared between SSE4.1 and SSE5. + (OPTION_MASK_ISA_ROUND): Ditto. + (OPTION_ISA_ROUND): Ditto. + (TARGET_FUSED_MADD): New macro for -mfused-madd swtich. + (TARGET_CPU_CPP_BUILTINS): Add SSE5 support. + + * config/i386/i386.opt (-msse5): New switch for SSE5 support. + (-mfused-madd): New switch to give users control over whether the + compiler optimizes to use the multiply/add SSE5 instructions. + + * config/i386/i386.c (m_AMD_MULTIPLE): Rename from + m_ATHLON_K8_AMDFAM10, and change all uses. + (enum pta_flags): Add PTA_SSE5. + (ix86_handle_option): Turn off 3dnow if -msse5. + (override_options): Add SSE5 support. + (print_operand): %Y prints comparison codes for SSE5 com/pcom + instructions. + (ix86_expand_sse_movcc): Add SSE5 support. + (ix86_expand_sse5_unpack): New function to use pperm to unpack a + vector type to the next largest size. + (ix86_expand_sse5_pack): New function to use pperm to pack a + vector type to the next smallest size. + (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic. + (IX86_BUILTIN_FMADDSD): Ditto. + (IX86_BUILTIN_FMADDPS): Ditto. + (IX86_BUILTIN_FMADDPD): Ditto. + (IX86_BUILTIN_FMSUBSS): Ditto. + (IX86_BUILTIN_FMSUBSD): Ditto. + (IX86_BUILTIN_FMSUBPS): Ditto. + (IX86_BUILTIN_FMSUBPD): Ditto. + (IX86_BUILTIN_FNMADDSS): Ditto. + (IX86_BUILTIN_FNMADDSD): Ditto. + (IX86_BUILTIN_FNMADDPS): Ditto. + (IX86_BUILTIN_FNMADDPD): Ditto. + (IX86_BUILTIN_FNMSUBSS): Ditto. + (IX86_BUILTIN_FNMSUBSD): Ditto. + (IX86_BUILTIN_FNMSUBPS): Ditto. + (IX86_BUILTIN_FNMSUBPD): Ditto. + (IX86_BUILTIN_PCMOV_V2DI): Ditto. + (IX86_BUILTIN_PCMOV_V4SI): Ditto. + (IX86_BUILTIN_PCMOV_V8HI): Ditto. + (IX86_BUILTIN_PCMOV_V16QI): Ditto. + (IX86_BUILTIN_PCMOV_V4SF): Ditto. + (IX86_BUILTIN_PCMOV_V2DF): Ditto. + (IX86_BUILTIN_PPERM): Ditto. + (IX86_BUILTIN_PERMPS): Ditto. + (IX86_BUILTIN_PERMPD): Ditto. + (IX86_BUILTIN_PMACSSWW): Ditto. + (IX86_BUILTIN_PMACSWW): Ditto. + (IX86_BUILTIN_PMACSSWD): Ditto. + (IX86_BUILTIN_PMACSWD): Ditto. + (IX86_BUILTIN_PMACSSDD): Ditto. + (IX86_BUILTIN_PMACSDD): Ditto. + (IX86_BUILTIN_PMACSSDQL): Ditto. + (IX86_BUILTIN_PMACSSDQH): Ditto. + (IX86_BUILTIN_PMACSDQL): Ditto. + (IX86_BUILTIN_PMACSDQH): Ditto. + (IX86_BUILTIN_PMADCSSWD): Ditto. + (IX86_BUILTIN_PMADCSWD): Ditto. + (IX86_BUILTIN_PHADDBW): Ditto. + (IX86_BUILTIN_PHADDBD): Ditto. + (IX86_BUILTIN_PHADDBQ): Ditto. + (IX86_BUILTIN_PHADDWD): Ditto. + (IX86_BUILTIN_PHADDWQ): Ditto. + (IX86_BUILTIN_PHADDDQ): Ditto. + (IX86_BUILTIN_PHADDUBW): Ditto. + (IX86_BUILTIN_PHADDUBD): Ditto. + (IX86_BUILTIN_PHADDUBQ): Ditto. + (IX86_BUILTIN_PHADDUWD): Ditto. + (IX86_BUILTIN_PHADDUWQ): Ditto. + (IX86_BUILTIN_PHADDUDQ): Ditto. + (IX86_BUILTIN_PHSUBBW): Ditto. + (IX86_BUILTIN_PHSUBWD): Ditto. + (IX86_BUILTIN_PHSUBDQ): Ditto. + (IX86_BUILTIN_PROTB): Ditto. + (IX86_BUILTIN_PROTW): Ditto. + (IX86_BUILTIN_PROTD): Ditto. + (IX86_BUILTIN_PROTQ): Ditto. + (IX86_BUILTIN_PROTB_IMM): Ditto. + (IX86_BUILTIN_PROTW_IMM): Ditto. + (IX86_BUILTIN_PROTD_IMM): Ditto. + (IX86_BUILTIN_PROTQ_IMM): Ditto. + (IX86_BUILTIN_PSHLB): Ditto. + (IX86_BUILTIN_PSHLW): Ditto. + (IX86_BUILTIN_PSHLD): Ditto. + (IX86_BUILTIN_PSHLQ): Ditto. + (IX86_BUILTIN_PSHAB): Ditto. + (IX86_BUILTIN_PSHAW): Ditto. + (IX86_BUILTIN_PSHAD): Ditto. + (IX86_BUILTIN_PSHAQ): Ditto. + (IX86_BUILTIN_FRCZSS): Ditto. + (IX86_BUILTIN_FRCZSD): Ditto. + (IX86_BUILTIN_FRCZPS): Ditto. + (IX86_BUILTIN_FRCZPD): Ditto. + (IX86_BUILTIN_CVTPH2PS): Ditto. + (IX86_BUILTIN_CVTPS2PH): Ditto. + (IX86_BUILTIN_COMEQSS): Ditto. + (IX86_BUILTIN_COMNESS): Ditto. + (IX86_BUILTIN_COMLTSS): Ditto. + (IX86_BUILTIN_COMLESS): Ditto. + (IX86_BUILTIN_COMGTSS): Ditto. + (IX86_BUILTIN_COMGESS): Ditto. + (IX86_BUILTIN_COMUEQSS): Ditto. + (IX86_BUILTIN_COMUNESS): Ditto. + (IX86_BUILTIN_COMULTSS): Ditto. + (IX86_BUILTIN_COMULESS): Ditto. + (IX86_BUILTIN_COMUGTSS): Ditto. + (IX86_BUILTIN_COMUGESS): Ditto. + (IX86_BUILTIN_COMORDSS): Ditto. + (IX86_BUILTIN_COMUNORDSS): Ditto. + (IX86_BUILTIN_COMFALSESS): Ditto. + (IX86_BUILTIN_COMTRUESS): Ditto. + (IX86_BUILTIN_COMEQSD): Ditto. + (IX86_BUILTIN_COMNESD): Ditto. + (IX86_BUILTIN_COMLTSD): Ditto. + (IX86_BUILTIN_COMLESD): Ditto. + (IX86_BUILTIN_COMGTSD): Ditto. + (IX86_BUILTIN_COMGESD): Ditto. + (IX86_BUILTIN_COMUEQSD): Ditto. + (IX86_BUILTIN_COMUNESD): Ditto. + (IX86_BUILTIN_COMULTSD): Ditto. + (IX86_BUILTIN_COMULESD): Ditto. + (IX86_BUILTIN_COMUGTSD): Ditto. + (IX86_BUILTIN_COMUGESD): Ditto. + (IX86_BUILTIN_COMORDSD): Ditto. + (IX86_BUILTIN_COMUNORDSD): Ditto. + (IX86_BUILTIN_COMFALSESD): Ditto. + (IX86_BUILTIN_COMTRUESD): Ditto. + (IX86_BUILTIN_COMEQPS): Ditto. + (IX86_BUILTIN_COMNEPS): Ditto. + (IX86_BUILTIN_COMLTPS): Ditto. + (IX86_BUILTIN_COMLEPS): Ditto. + (IX86_BUILTIN_COMGTPS): Ditto. + (IX86_BUILTIN_COMGEPS): Ditto. + (IX86_BUILTIN_COMUEQPS): Ditto. + (IX86_BUILTIN_COMUNEPS): Ditto. + (IX86_BUILTIN_COMULTPS): Ditto. + (IX86_BUILTIN_COMULEPS): Ditto. + (IX86_BUILTIN_COMUGTPS): Ditto. + (IX86_BUILTIN_COMUGEPS): Ditto. + (IX86_BUILTIN_COMORDPS): Ditto. + (IX86_BUILTIN_COMUNORDPS): Ditto. + (IX86_BUILTIN_COMFALSEPS): Ditto. + (IX86_BUILTIN_COMTRUEPS): Ditto. + (IX86_BUILTIN_COMEQPD): Ditto. + (IX86_BUILTIN_COMNEPD): Ditto. + (IX86_BUILTIN_COMLTPD): Ditto. + (IX86_BUILTIN_COMLEPD): Ditto. + (IX86_BUILTIN_COMGTPD): Ditto. + (IX86_BUILTIN_COMGEPD): Ditto. + (IX86_BUILTIN_COMUEQPD): Ditto. + (IX86_BUILTIN_COMUNEPD): Ditto. + (IX86_BUILTIN_COMULTPD): Ditto. + (IX86_BUILTIN_COMULEPD): Ditto. + (IX86_BUILTIN_COMUGTPD): Ditto. + (IX86_BUILTIN_COMUGEPD): Ditto. + (IX86_BUILTIN_COMORDPD): Ditto. + (IX86_BUILTIN_COMUNORDPD): Ditto. + (IX86_BUILTIN_COMFALSEPD): Ditto. + (IX86_BUILTIN_COMTRUEPD): Ditto. + (IX86_BUILTIN_PCOMEQUB): Ditto. + (IX86_BUILTIN_PCOMNEUB): Ditto. + (IX86_BUILTIN_PCOMLTUB): Ditto. + (IX86_BUILTIN_PCOMLEUB): Ditto. + (IX86_BUILTIN_PCOMGTUB): Ditto. + (IX86_BUILTIN_PCOMGEUB): Ditto. + (IX86_BUILTIN_PCOMFALSEUB): Ditto. + (IX86_BUILTIN_PCOMTRUEUB): Ditto. + (IX86_BUILTIN_PCOMEQUW): Ditto. + (IX86_BUILTIN_PCOMNEUW): Ditto. + (IX86_BUILTIN_PCOMLTUW): Ditto. + (IX86_BUILTIN_PCOMLEUW): Ditto. + (IX86_BUILTIN_PCOMGTUW): Ditto. + (IX86_BUILTIN_PCOMGEUW): Ditto. + (IX86_BUILTIN_PCOMFALSEUW): Ditto. + (IX86_BUILTIN_PCOMTRUEUW): Ditto. + (IX86_BUILTIN_PCOMEQUD): Ditto. + (IX86_BUILTIN_PCOMNEUD): Ditto. + (IX86_BUILTIN_PCOMLTUD): Ditto. + (IX86_BUILTIN_PCOMLEUD): Ditto. + (IX86_BUILTIN_PCOMGTUD): Ditto. + (IX86_BUILTIN_PCOMGEUD): Ditto. + (IX86_BUILTIN_PCOMFALSEUD): Ditto. + (IX86_BUILTIN_PCOMTRUEUD): Ditto. + (IX86_BUILTIN_PCOMEQUQ): Ditto. + (IX86_BUILTIN_PCOMNEUQ): Ditto. + (IX86_BUILTIN_PCOMLTUQ): Ditto. + (IX86_BUILTIN_PCOMLEUQ): Ditto. + (IX86_BUILTIN_PCOMGTUQ): Ditto. + (IX86_BUILTIN_PCOMGEUQ): Ditto. + (IX86_BUILTIN_PCOMFALSEUQ): Ditto. + (IX86_BUILTIN_PCOMTRUEUQ): Ditto. + (IX86_BUILTIN_PCOMEQB): Ditto. + (IX86_BUILTIN_PCOMNEB): Ditto. + (IX86_BUILTIN_PCOMLTB): Ditto. + (IX86_BUILTIN_PCOMLEB): Ditto. + (IX86_BUILTIN_PCOMGTB): Ditto. + (IX86_BUILTIN_PCOMGEB): Ditto. + (IX86_BUILTIN_PCOMFALSEB): Ditto. + (IX86_BUILTIN_PCOMTRUEB): Ditto. + (IX86_BUILTIN_PCOMEQW): Ditto. + (IX86_BUILTIN_PCOMNEW): Ditto. + (IX86_BUILTIN_PCOMLTW): Ditto. + (IX86_BUILTIN_PCOMLEW): Ditto. + (IX86_BUILTIN_PCOMGTW): Ditto. + (IX86_BUILTIN_PCOMGEW): Ditto. + (IX86_BUILTIN_PCOMFALSEW): Ditto. + (IX86_BUILTIN_PCOMTRUEW): Ditto. + (IX86_BUILTIN_PCOMEQD): Ditto. + (IX86_BUILTIN_PCOMNED): Ditto. + (IX86_BUILTIN_PCOMLTD): Ditto. + (IX86_BUILTIN_PCOMLED): Ditto. + (IX86_BUILTIN_PCOMGTD): Ditto. + (IX86_BUILTIN_PCOMGED): Ditto. + (IX86_BUILTIN_PCOMFALSED): Ditto. + (IX86_BUILTIN_PCOMTRUED): Ditto. + (IX86_BUILTIN_PCOMEQQ): Ditto. + (IX86_BUILTIN_PCOMNEQ): Ditto. + (IX86_BUILTIN_PCOMLTQ): Ditto. + (IX86_BUILTIN_PCOMLEQ): Ditto. + (IX86_BUILTIN_PCOMGTQ): Ditto. + (IX86_BUILTIN_PCOMGEQ): Ditto. + (IX86_BUILTIN_PCOMFALSEQ): Ditto. + (IX86_BUILTIN_PCOMTRUEQ): Ditto. + (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to + OPTION_MASK_ISA_ROUND for instructions that are shared between + SSE4.1 and SSE5. + (bdesc_2arg): Ditto. + (bdesc_sse_3arg): Ditto. + (enum multi_arg_type): New enum for describing the various SSE5 + intrinsic argument types. + (bdesc_multi_arg): New table for SSE5 intrinsics. + (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support. + (ix86_expand_multi_arg_builtin): New function for creating SSE5 + intrinsics. + (ix86_expand_builtin): Add SSE5 intrinsic support. + (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4 + operand instructions. + (ix86_expand_sse5_multiple_memory): New function to split the + second memory reference from SSE5 instructions. + (type_has_variadic_args_p): Delete in favor of stdarg_p. + (ix86_return_pops_args): Use stdarg_p to determine if the function + has variable arguments. + (ix86_setup_incoming_varargs): Ditto. + (x86_this_parameter): Ditto. + + * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add + declaration. + (ix86_expand_sse5_pack): Ditto. + (ix86_sse5_valid_op_p): Ditto. + (ix86_expand_sse5_multiple_memory): Ditto. + + * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC + constant for SSE5 support. + (UNSPEC_SSE5_UNSIGNED_CMP): Ditto. + (UNSPEC_SSE5_TRUEFALSE): Ditto. + (UNSPEC_SSE5_PERMUTE): Ditto. + (UNSPEC_SSE5_ASHIFT): Ditto. + (UNSPEC_SSE5_LSHIFT): Ditto. + (UNSPEC_FRCZ): Ditto. + (UNSPEC_CVTPH2PS): Ditto. + (UNSPEC_CVTPS2PH): Ditto. + (PCOM_FALSE): Add new constant for true/false SSE5 comparisons. + (PCOM_TRUE): Ditto. + (COM_FALSE_S): Ditto. + (COM_FALSE_P): Ditto. + (COM_TRUE_S): Ditto. + (COM_TRUE_P): Ditto. + (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types. + (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg + types. + (memory attribute): Ditto. + (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1. + Use SSE4_1_ROUND_* constants instead of hard coded numbers. + (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1. + (floor<mode>2): Ditto. + (ceil<mode>2): Ditto. + (btrunc<mode>2): Ditto. + (nearbyintdf2): Ditto. + (nearbyintsf2): Ditto. + (sse_setccsf): Disable if SSE5. + (sse_setccdf): Ditto. + (sse5_setcc<mode>): New support for SSE5 conditional move. + (sse5_pcmov_<mode>): Ditto. + + * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5. + (SSEMODEF4): Ditto. + (SSEMODEF2P): Ditto. + (ssemodesuffixf4): New mode attribute for SSE5. + (ssemodesuffixf2s): Ditto. + (ssemodesuffixf2c): Ditto. + (sserotatemax): Ditto. + (ssescalarmode): Ditto. + (sse_maskcmpv4sf3): Disable if SSE5. + (sse_maskcmpv2df3): Ditto. + (sse_vmmaskcmpv4sf3): Ditto. + (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add + instructions. + (sse5_vmfmadd<mode>4): Ditto. + (sse5_fmsub<mode>4): Ditto. + (sse5_vmfmsub<mode>4): Ditto. + (sse5_fnmadd<mode>4): Ditto. + (sse5_vmfnmadd<mode>4): Ditto. + (sse5_fnmsub<mode>4): Ditto. + (sse5_vmfnmsub<mode>4): Ditto. + (sse5i_fmadd<mode>4): Ditto. + (sse5i_fmsub<mode>4): Ditto. + (sse5i_fnmadd<mode>4): Ditto. + (sse5i_fnmsub<mode>4): Ditto. + (sse5i_vmfmadd<mode>4): Ditto. + (sse5i_vmfmsub<mode>4): Ditto. + (sse5i_vmfnmadd<mode>4): Ditto. + (sse5i_vmfnmsub<mode>4): Ditto. + (mulv16qi3): Add SSE5 support. + (mulv4si3): Ditto. + (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5. + (sse2_mulv4si3): Disable if SSE5. + (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1. + (sse4_1_roundps): Ditto. + (sse4_1_roundsd): Ditto. + (sse4_1_roundss): Ditto. + (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will + be generated. + (sse_maskcmpsf3): Ditto. + (sse_vmmaskcmpv4sf3): Ditto. + (sse2_maskcmpv2df3): Ditto. + (sse2_maskcmpdf3): Ditto. + (sse2_vmmaskcmpv2df3): Ditto. + (sse2_eq<mode>3): Ditto. + (sse2_gt<mode>3): Ditto. + (sse5_pcmov_<mode>): Add SSE5 support. + (vec_unpacku_hi_v16qi): Ditto. + (vec_unpacks_hi_v16qi): Ditto. + (vec_unpacku_lo_v16qi): Ditto. + (vec_unpacks_lo_v16qi): Ditto. + (vec_unpacku_hi_v8hi): Ditto. + (vec_unpacks_hi_v8hi): Ditto. + (vec_unpacku_lo_v8hi): Ditto. + (vec_unpacks_lo_v8hi): Ditto. + (vec_unpacku_hi_v4si): Ditto. + (vec_unpacks_hi_v4si): Ditto. + (vec_unpacku_lo_v4si): Ditto. + (vec_unpacks_lo_v4si): Ditto. + (sse5_pmacsww): New SSE5 intrinsic insn. + (sse5_pmacssww): Ditto. + (sse5_pmacsdd): Ditto. + (sse5_pmacssdd): Ditto. + (sse5_pmacssdql): Ditto. + (sse5_pmacssdqh): Ditto. + (sse5_pmacsdqh): Ditto. + (sse5_pmacsswd): Ditto. + (sse5_pmacswd): Ditto. + (sse5_pmadcsswd): Ditto. + (sse5_pmadcswd): Ditto. + (sse5_pcmov_<move>): Conditional move support on SSE5. + (sse5_phaddbw): New SSE5 intrinsic insn. + (sse5_phaddbd): Ditto. + (sse5_phaddbq): Ditto. + (sse5_phaddwd): Ditto. + (sse5_phaddwq): Ditto. + (sse5_phadddq): Ditto. + (sse5_phaddubw): Ditto. + (sse5_phaddubd): Ditto. + (sse5_phaddubq): Ditto. + (sse5_phadduwd): Ditto. + (sse5_phadduwq): Ditto. + (sse5_phaddudq): Ditto. + (sse5_phsubbw): Ditto. + (sse5_phsubwd): Ditto. + (sse5_phsubdq): Ditto. + (sse5_pperm): Ditto. + (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5. + (sse5_pperm_zero_v16qi_v8hi): Ditto. + (sse5_pperm_sign_v8hi_v4si): Ditto. + (sse5_pperm_zero_v8hi_v4si): Ditto. + (sse5_pperm_sign_v4si_v2di): Ditto. + (sse5_pperm_sign_v4si_v2di): Ditto. + (sse5_pperm_pack_v2di_v4si): Ditto. + (sse5_pperm_pack_v4si_v8hi): Ditto. + (sse5_pperm_pack_v8hi_v16qi): Ditto. + (sse5_perm<mode>): New SSE5 intrinsic insn. + (rotl<mode>3): Ditto. + (sse5_rotl<mode>3): Ditto. + (sse5_ashl<mode>3): Ditto. + (sse5_lshl<mode>3): Ditto. + (sse5_frcz<mode>2): Ditto. + (sse5s_frcz<mode>2): Ditto. + (sse5_cvtph2ps): Ditto. + (sse5_cvtps2ph): Ditto. + (sse5_vmmaskcmp<mode>3): Ditto. + (sse5_com_tf<mode>3): Ditto. + (sse5_maskcmp<mode>3): Ditto. + (sse5_maskcmp_uns<mode>3): Ditto. + (sse5_maskcmp_uns2<mode>3): Ditto. + (sse5_pcom_tf<mode>3): Ditto. + + * config/i386/predicates.md (const_0_to_31_operand): New predicate + to match 0..31. + (sse5_comparison_float_operator): New predicate to match the + comparison operators supported by the SSE5 com instruction. + (ix86_comparison_int_operator): New predicate to match just the + signed int comparisons. + (ix86_comparison_uns_operator): New predicate to match just the + unsigned int comparisons. + + * doc/invoke.texi (-msse5): Add documentation. + (-mfused-madd): Ditto. + + * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics. + + * config.gcc (i[34567]86-*-*): Include bmmintrin.h and + mmintrin-common.h. + (x86_64-*-*): Ditto. + + * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit. + + * config/i386/bmmintrin.h: New file, provide common x86 compiler + intrinisics for SSE5. + + * config/i386/smmintrin.h: Move instructions shared with SSE5 to + mmintrin-common.h. + + * config/i386/mmintrin-common.h: New file, to contain common + instructions between SSE4.1 and SSE5. + + * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use + FOREACH_FUNCTION_ARGS to iterate over the argument list. + (gen_regparm_prefix): Ditto. + + * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use + FOREACH_FUNCTION_ARGS to iterate over the argument list. Use + prototype_p to determine if a function is prototyped. + +2007-09-12 Janis Johnson <janis187@us.ibm.com> + + * config/dfp-bit.c (dfp_conversion_exception): New function. + (DFP_TO_DFP) Add new variants to use direct conversions in decNumber. + (DFP_TO_INT): Ditto. + (INT_TO_DFP): Ditto. + * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New. + +2007-09-12 Jakub Jelinek <jakub@redhat.com> + + PR target/32338 + * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage + before sp restoration even when total_size is 0, but + frame_pointer_needed. + +2007-09-12 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy. + (xtensa_copy_incoming_a7): Use start_sequence instead of + push_to_sequence. Stash insns in vararg_a7_copy for builtin_saveregs. + (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start + of the saveregs sequence. + +2007-09-12 Richard Sandiford <richard@codesourcery.com> + + * c-tree.h (grokfield): Add a "tree *" argument. + * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes. + Chain nested decl attributes to it. Don't call decl_attributes here. + (groktypename): Pass grokdeclarator a pointer to the attribute list. + (start_decl, grokparm, push_parm_decl, start_function): Likewise. + (grokfield): Take a pointer to the decl's attributes and pass + it to grokdeclarator. + * c-parser.c (c_parser_struct_declaration): Update the calls to + grokfield. Call decl_attributes for anonymous struct and union + fields. + +2007-09-12 Jan Hubicka <jh@suse.cz> + + * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill. + +2007-09-12 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/32377 + * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish + between positive and negative dependence distance using DDR_REVERSED_P. + +2007-09-12 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/33373 + * tree-vect-analyze (vect_determine_vectorization_factor): Call + TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT. + +2007-09-12 Jan Hubicka <jh@suse.cz> + + PR target/33393 + * config/i386/i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory): + Disable for !SSE_MATH + +2007-09-12 Christian Bruel <christian.bruel@st.com> + + * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs. + * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed. + +2007-09-12 Ira Rosen <irar@il.ibm.com> + + * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector + for oprnd1 if not required. + (vectorizable_operation): Use scalar operand in SLP in case of + shift with scalar argument. + +2007-09-12 Ira Rosen <irar@il.ibm.com> + + * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and + minimum to 1. + +2007-09-11 James E. Wilson <wilson@specifix.com> + + * defaults.h (DWARF2_UNWIND_INFO): Don't define if + TARGET_UNWIND_INFO is defined. + * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef + after definition. + +2007-09-12 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (calc_live_regs): Use + current_function_saves_all_registers instead of + current_function_has_nonlocal_label. + (sh_allocate_initial_value): Likewise. + (sh_get_pr_initial_val): Likewise. + * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise. + * config/sh/sh.md (load_ra): Likewise. + +2007-09-12 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc. + + PR target/33360 + * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in + GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation. + +2007-09-12 Sa Liu <saliu@de.ibm.com> + + * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as + operands to DFmode GE or LE compares. + +2007-09-12 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS, + REG_CLASS_NAMES): Add P0REGS. + (REGNO_REG_CLASS): Return it where appropriate. + (REG_CLASS_FROM_CONSTRAINT): Add 'qA'. + (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled. + * doc/md.texi (Blackfin family): Document 'q' constraints. + +2007-09-11 Steve Kenton <skenton@ou.edu> + + * pa/linux-unwind.h: Guard with inhibit_libc. + * pa/hpux-unwind.h: Likewise. + +2007-09-11 David Daney <ddaney@avtrex.com> + + * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options. + * doc/install.texi: Document new --with-llsc and --without-llsc + options. + * config.gcc: Handle --with-llsc and --without-llsc configure options. + * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction + in %| and %- operand codes. Depend on GENERATE_SYNC instead of + ISA_HAS_SYNC. + (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>, + sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>, + sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>, + sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>, + sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on + GENERATE_LL_SC instead of ISA_HAS_LL_SC. + * config/mips/mips.opt (mllsc): New option. + * config/mips/mips.c (mips_llsc): Define variable. + (mips_handle_option): Handle mllsc option. + (override_options): Set mips_print_operand_punct for '|' and '-'. + (print_operand): Add new %| and %- operand codes. + * config/mips/mips.h (mips_llsc_setting): New enum type. + (mips_llsc): Declare. + (OPTION_DEFAULT_SPECS): Add llsc handling. + (GENERATE_SYNC): New macro. + (GENERATE_LL_SC): New macro. + (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP, + MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, + MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions + in %| and %- operand codes. + +2007-09-11 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with + TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P. + +2007-09-11 Jason Merrill <jason@redhat.com> + + PR middle-end/27945 + * stor-layout.c (layout_decl): Do pack variable size fields. + +2007-09-11 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/predicates.md (movsi_const0_operand, + non_symbolic_call_operand): New predicates. + + * config/m68k/constraints.md (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac): + New constraints. + * doc/md.texi (Constraints for Particular Machines: Motorola 680x0): + Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ, + CW, CZ, CS, Ap and Ac. + + * config/m68k/m68k.md (UNSPEC_IB): New constant. + (constraints.md): New include. + (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access, + opx_mem, opy_mem, op_mem, guess, split): New attributes. + (movdf_internal): Name pattern. Fix to use alternatives. Add split. + Specify attributes. + (pushdi): Add split. + (tstsi_internal): Name pattern. Fix to use alternatives. Specify + attributes. Split tstsi_internal_68020_cf from it. + (tstsi_internal_68020_cf): New pattern. + (tsthi_internal, tstqi_internal): Name pattern. Specify attributes. + (tst<mode>_cf): Specify attributea. + (cmpsi_cf): Name pattern. Specify attributes. + (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute. + (pushexthisi_const): Fix to use alternatives. Specify + attributes. + (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60 + from it. Fix to use alternatives. Specify attributes. + (movsi_const0_68040_10, movsi_const0_68040_60): New patterns. + (movsi_cf, movstrictqi_cf): Fix to use alternatives. Specify + attributes. + (movsf_cf_soft): Specify attributes. + (movdf_cf_soft): Add split. + (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4, + cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2, + 68k_extendqisi2, truncdfsf2_cf): Specify attributes. + (truncdfsf2_68881): Name pattern. Specify attributes. + (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf, + floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf, + fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32): + Specify attributes. + (addsi3_5200): Fix to use alternatives. Specify attributes. + Add splits. + (add<mode>3_cf, subdi_dishl32): Specify attributes. + (subsi3): Add alternative for subq.l. Specify attributes. + (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes. + (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern. Specify + attributes. + (umulhisi3): Specify attributes. + (mulhisisi3_z): Name pattern. Specify attributes. + (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200, + sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32, + subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3, + bsetmemqi): Specify attributes. + (bsetmemqi_ext): Name pattern. Specify attributes. + (bclrmemqi): Specify attributes. + (bclrmemqi_ext, scc, sls): Name pattern. Specify attributes. + (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify + attributes. + (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name + pattern. Specify attributes. + (jump): Specify attributes. + (tablejump_internal): Name pattern. Specify attributes. + (call_value): Split into non_symbolic_call_value, + symbolic_call_value_jsr, symbolic_call_value_bsr. Fix to use + alternatives. Specify attributes. + (non_symbolic_call_value, symbolic_call_value_jsr, + symbolic_call_value_bsr): New patterns. + (nop, return, unlink, indirect_jump): Specify attributes. + (trap): Fix condition. Specify attributes. + (ib): New pattern. + + * config/m68k/m68k.c (m68k_symbolic_call_var): New variable. + (override_options): Initialize it. Initialize m68k_sched_cpu. + (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h. + (const_method): Make global, rename to m68k_const_method. + (const_int_cost, output_move_const_into_data_reg): Update. + (output_move_double): Parametrize to emit rtl code, rename to + handle_move_double. + (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi, + emit_movsi): New static functions. + (output_move_double): New function with semantics of old + output_move_double. + (m68k_emit_move_double): New function. + (m68k_sched_cpu): New variable. + (attr_op_type): New enum. + (sched_guess_p): New variable. + (sched_address_type, sched_operand_type, sched_attr_op_type): + New static functions. + (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type, + m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions. + (sched_branch_type): New static variable. + (m68k_sched_branch_type): New function. + * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum. + (m68k_symbolic_call_var): Declare. + (M68K_CONST_METHOD): Rename from CONST_METHOD. Move here from m68k.c. + (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu, + m68k_sched_attr_opx_type, m68k_sched_attr_opy_type, + m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type): + Declare. + +2007-09-11 Jakub Jelinek <jakub@redhat.com> + + * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin. + * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue + error if __builtin_va_arg_pack_len () wasn't optimized out during + inlining. + * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len () + with the number of inline's anonymous arguments. + * doc/extend.texi: Document __builtin_va_arg_pack_len (). + +2007-09-11 Zdenek Dvorak <ook@ucw.cz> + + * fold-const.c (extract_muldiv_1): Do not simplify var * c * c to var. + +2007-09-11 Jan Hubicka <jh@suse.cz> + + * config/i386/i386.h (ix86_tune_indices): Add + X86_TUNE_INTER_UNIT_CONVERSIONS. + (TARGET_INTER_UNIT_CONVERSIONS): New. + * config/i386/i386.md (floatsi expanders): Remove redundant check + for SImode source; offload to memory when asked for. + (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse + floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse): + Update conditions; + (floatsisf2_mixed_memory, floatsisf2_sse_memory, + floatsidf2_mixed_memory, floatsidf2_sse_memory + floatdisf2_mixed_memory, floatsisf2_sse_memory, + floatsidf2_mixed_memory, floatsidf2_sse_memory): New. + +2007-09-11 Jan Hubicka <jh@suse.cz> + + * toplev.c (process_options): all frontends now do unit-at-a-time. + * cgraphunit.c: update comments. + (cgraph_expand_function): call passmanager dirrectly; emit thunks. + * c-decl.c (finish_function): use cgraph_add_new_function. + * function.c (expand_function_end): We are always unit-at-a-time. + +2007-09-11 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor + settings for MIPS16. + (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p. + +2007-09-11 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of + SYMBOL_FORCE_TO_MEM constants. + (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands. + (mips16_rewrite_pool_refs_info): New structure. + (mips16_rewrite_pool_constant): New function, split out from... + (mips16_rewrite_pool_refs): ...here. Take a pointer to a + mips16_rewrite_pool_refs_info structure rather than a pointer + to a constant pool. Force force_to_mem_operands into memory. + (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs. + * config/mips/predicates.md (force_to_mem_operand): New predicate. + * config/mips/constraints.md (kf): New constraint. + * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative. + (*movsi_mips16): Likewise. + +2007-09-11 Richard Sandiford <richard@codesourcery.com> + Nigel Stephens <nigel@mips.com> + David Ung <davidu@mips.com> + + * config/mips/mips.h (CONSTANT_POOL_COST): Move to... + * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16. + (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost) + (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost) + (mips_zero_extend_cost): New functions. + (mips_rtx_costs): Treat COMPARE constants as having zero cost. + Use the new functions. Tweak many cost estimates, both here + and in the new subroutines. Return false when the cost of the + operands has not been calculated. Check for *clear_upper32. + Check for floating-point multiply-add, reciprocal and rsqrt + patterns. Handle comparison and rotation codes. + +2007-09-11 Danny Smith <dannysmith@users.sourceforge.net> + + * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't + override default. + * config/i386/i386.c (get_dllimport_decl): Don't strip + FASTCALL_PREFIX. + +2007-09-10 Janis Johnson <janis187@us.ibm.com> + + PR c/30013 + * config/dfp-bit.c: Don't skip TFmode conversions; move strto* + declarations to top. + (DFP_TO_BFP): Use for either XFmode or TFmode. + (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast + of BFP_VIA_TYPE. + * config/dfp-bit.h: Include float.h. + (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long + double is one of these modes, rather than using LIBGCC_HAS_*F_MODE + which doesn't mean the same thing. + (BFP_KIND): Use 4 to mean TFmode. + (BFP_FMT): Specify the number of decimal digits based on the + number of mantissa digits. + (BFP_VIA_TYPE): Binary float type to use as cast for sprintf. + (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants. + (STR_TO_BFP): Use strtold for XFmode or TFmode. + (TFtype): Define if TFmode is supported. + * doc/libgcc.texi (Decimal float library routines): Document + TF conversion functions. + +2007-09-10 Chao-ying Fu <fu@mips.com> + + * config/mips/mips.c (mips_scalar_mode_supported_p): Declare. + (TARGET_SCALAR_MODE_SUPPORTED_P): Define. + (mips_emit_compare): Process fixed-point modes. + (mips_pad_arg_upward): Support fixed-point types. + (override_options): Allow fixed-point modes in accumulators. + (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers. + (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode, + V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP. + (mips_scalar_mode_supported_p): New function to accept fixed-point + modes if the width is not greater than two BITS_PER_WORD. + * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE, + LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE, + SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE, + LONG_LONG_ACCUM_TYPE_SIZE): Define. + * config/mips/mips.md ("d"): Update mode attribute for fixed-point + modes. + ("IMODE"): New mode attribute. + (mips-fixed.md): Include. + * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT, + ACCUM, UACCUM. + * config/mips/mips-fixed.md: New file. + +2007-09-11 Ben Elliston <bje@au.ibm.com> + + * config/spu/spu.md: Formatting fixes. + +2007-09-10 Janis Johnson <janis187@us.ibm.com> + + * config/dfp-bit.c (dfp_unary_func): Delete. + (dfp_unary_op): Delete. + (dfp_binary_op): Use decFloat functions instead of decNumber + functions for binary operations. + (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation. + (dnn_binary_op): Call dfp_binary_op with decFloat rather than + DFP_C_TYPE. + (dfp_compare_op): Use decFloat functions insteadof decNumber + functions for comparisons. + (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation. + (dnn_binary_op): Call dfp_compare_op with decFloat rather than + DFP_C_TYPE. + (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for + call to dxx_binary_op and decFloat function. + (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for + calls to dxx_binary_op and decFloat function. + * config/dfp-bit.h: Include decFloat header files. + (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD, + DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE, + DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN, + DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths. + +2007-09-10 Harsha Jagasia <harsha.jagasia@amd.com> + Jan Sjodin <jan.sjodin@amd.com> + + * tree-vect-analyze.c (vect_analyze_operations): Change + comparison of loop iterations with threshold to less than + or equal to instead of less than. Reduce + min_scalar_loop_bound by one. + * tree-vect-transform.c (vect_estimate_min_profitable_iters): + Change prologue and epilogue iterations estimate to vf/2, + when unknown at compile-time. Change versioning guard + cost to taken_branch_cost. If peeling for alignment is + unknown at compile-time, change peel guard costs to one + taken branch and one not-taken branch per peeled loop. + If peeling for alignment is known but number of scalar loop + iterations is unknown at compile-time, change peel guard + costs to one taken branch per peeled loop. Change the cost + model equation to consider vector iterations as the loop + iterations less the prologue and epilogue iterations. + Change outside vector cost check to less than or equal to + zero instead of equal to zero. + (vect_do_peeling_for_loop_bound): Reduce + min_scalar_loop_bound by one. + * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and + TARG_COND_NOT_TAKEN_BRANCH_COST. + * config/i386/i386.h (processor_costs): Add + scalar_stmt_cost, scalar_load_cost, scalar_store_cost, + vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost, + vec_align_load_cost, vect_unalign_load_cost, + vec_store_cost, cond_taken_branch_cost, + cond_not_taken_branch_cost. + Define macros for x86 costs. + * config/i386/i386.c: + (size_cost): Set scalar_stmt_cost, scalar_load_cost, + scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost, + scalar_to_vec_cost, vec_align_load_cost, + vect_unalign_load_cost, vec_store_cost, + cond_taken_branch_cost, cond_not_taken_branch_cost to one. + (i386_cost, i486_cost, pentium_cost, pentiumpro_cost, + geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost, + core2_cost, generic64_cost, generic32_cost): Set to default + untuned costs. + (k8_cost, amdfam10_cost): Costs for vectorization tuned. + (x86_builtin_vectorization_cost): New. + +2007-09-10 Janis Johnson <janis187@us.ibm.com> + Ben Elliston <bje@au.ibm.com> + + * dfp.c: Include decimal128Local.h; + (dfp_byte_swap): Remove. + (encode_decimal32, decode_decimal32): Don't handle endianness. + (encode_decimal64, decode_decimal64): Ditto. + (encode_decimal128, decode_decimal128): Ditto. + * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto. + (__swap64): Remove. + (host_to_ieee_64, ieee_to_host_64): Don't handle endianness. + (__swap128): Remove + (host_to_ieee_128, ieee_to_host_128): Don't handle endianness. + * Makefile.in (DECNUM_H): Add decimal128Local.h. + +2007-09-10 David Daney <ddaney@avtrex.com> + + * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in + define_constants. + (memory_barrier): Rewrote as an insn that clobbers memory. + +2007-09-10 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (mips_global_pointer): Check + call_really_used_regs instead of call_used_regs. + (mips_save_reg_p): Likewise. Save all call-saved registers + if current_function_saves_all_registers. Fix indentation. + No longer treat $18 as a special case. + (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT. + +2007-09-10 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro. + * config/mips/mips.c (mips_cpu_info_table): Mention it in the + the introductory comment. + (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete. + (override_options): Don't test for it. + * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete. + (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC. + * config/mips/vr.h: As for config/mips/sde.h. + +2007-09-10 Trevor Smigiel <trevor_smigiel@playstation.sony.com> + Revital Eres <eres@il.ibm.com> + + * target.h (struct gcc_target.sched): New field: sms_res_mii. + (struct ddg): Define. + * target-def.h (TARGET_SCHED_SMS_RES_MII): Define. + (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII. + * config/spu/spu.c: Include ddg.h. + (TARGET_SCHED_SMS_RES_MII): Define. + (spu_sms_res_mii): New function to calculate mii. + * modulo-sched (res_MII): Use it. + * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII. + +2007-09-10 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (s390_dump_pool): Create copy of constant + pool entries since they might hold values that must not be shared. + +2007-09-10 Robert Kidd <rkidd@crhc.uiuc.edu> + + * bb-reorder.c (rest_of_handler_reorder_blocks): Removed call to + RTL level tracer pass. + * passes.c (init_optimization_passes): Move pass_tracer from + after pass_rtl_ifcvt to after pass_dce. + * tracer.c: Update copyright. + (layout_superblocks): Remove function. + (mark_bb_seen): New. + (bb_seen_p): New. + (count_insns): Change to estimate instructions in a Tree-SSA + statement. + (find_trace): Use bb_seen_p. + (tail_duplicate): Use bb_seen_p. Call add_phi_args_after_copy + after duplicate_block. + (tracer): Change prototype to match that of a pass execute + callback. + (gate_tracer): Rename from gate_handle_tracer. + (rest_of_handle_tracer): Remove function. + * rtl.h: Remove prototype for tracer. + * testsuite/gcc.dg/tree-prof/tracer-1.c: New. + +2007-09-10 Uros Bizjak <ubizjak@gmail.com> + + PR target/33369 + * config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode. + Use 'N' operand constraint for op2. + (lshr<mode>3): Ditto. + (ashl<mode>3): Ditto. + (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2. + (vec_shr_<mode>): Ditto. + * config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128, + IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode. + +2007-09-10 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"): + Change mode macro in the last real_2expN parameter to uppercase. + +2007-09-10 Michael Matz <matz@suse.de> + + * tree-pass.h (pass_cselim): Declare new pass. + * passes.c (init_optimization_passes): Link in pass_cselim. + * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from + tree_ssa_phiopt; add do_store_elim parameter, handle it by calling + cond_store_replacement. + (condstoretemp): New static variable. + (cond_store_replacement): New function. + (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around + tree_ssa_phiopt_worker. + (struct name_to_bb): New. + (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr, + nt_init_block, nt_fini_block): New static functions. + (seen_ssa_names, nontrap_set): New static variables. + (gate_cselim, pass_cselim): Define new pass. + * common.opt (ftree-cselim): New flag. + * toplev.c (process_options): Set flag_tree_cselim if required. + +2007-09-10 Hans-Peter Nilsson <hp@axis.com> + + * simplify-rtx.c (simplify_relational_operation_1): For recent + canonicalization, don't recurse if op1 equals both PLUS arguments. + +2007-09-09 David Daney <ddaney@avtrex.com> + + * optabs.c (expand_sync_operation): Use plus insn if minus + CONST_INT_P(val). + (expand_sync_fetch_operation): Ditto. + +2007-09-09 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead + of cvtpq2ps. + (*floatsisf2_sse_vector): Likewise. + +2007-09-09 Krister Walfridsson <cato@df.lth.se> + + * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1. + +2007-09-09 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.h (ix86_tune_indices): Rename + X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS. + (TARGET_USE_VECTOR_CONVERTS): Updated. + * config/i386/i386.c: Likewise. + +2007-09-09 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * doc/invoke.texi (Overall Options): Add .sx file extension + as a synonym for .S. + * cppspec.c (known_suffixes): Likewise. + * gcc.c (default_compilers): Likewise. + +2007-09-09 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/30315 + * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete. + * simplify-rtx.c (simplify_relational_operation_1): Add the + canonicalization from i386.h. + * doc/md.texi (Canonicalization of Instructions): Document it. + +2007-09-09 Jan Hubicka <jh@suse.cz> + Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * config/i386/i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS. + (TARGET_USE_VECTOR_CONVERTS): New. + * config/i386/i386.md: New post-reload splitters for converting + SF to DF and DF to SF. + (floatsi* expander): Special case vector conversions. + (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit, + floatsisf2_sse_vector_internunit, floatsisf2_sse_vector, + floatsidf2_mixed_vector, floatsidf2_sse_vector): New. + (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse): + Disable when doing vector converts. + (floatsi<mode>2_i387): Disable when + * config/i386/sse.md (vec_dupv2df): Export. + * config/i386/i386.c (ix86_tune_features): Enable SSE conversions. + +2007-09-09 Richard Guenther <rguenther@suse.de> + + * tree-ssa-operands.c (add_virtual_operand): Only mark + stores as has_volatile_ops if alias information is not available. + +2007-09-09 Revital Eres <eres@il.ibm.com> + + * doc/contrib.texi: Add myself. + +2007-09-09 Ira Rosen <irar@il.ibm.com> + + * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost, + stmt_vinfo_set_outside_of_loop_cost): New functions. + * tree-vect-transform.c (vect_get_cost_fields): Remove. + (vect_model_simple_cost): Call + stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost + field instead of calling vect_get_cost_fields. + (vect_model_store_cost, vect_model_load_cost): Likewise. + +2007-09-09 Revital Eres <eres@il.ibm.com> + + * config/rs6000/rs6000.c (paired_init_builtins): Add const + declaration to bdesc_paired_preds variable. + (paired_expand_builtin): Likewise. + +2007-09-09 Revital Eres <eres@il.ibm.com> + + * dbgcnt.def (sms_sched_loop): New counter. + * modulo-sched.c: Use sms_sched_loop instead of + MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to + perform swing modulo scheduling on. Include dbgcnt.h. + * Makefile.in: Add DBGCNT_H to modulo-sched.o. + * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER. + +2007-09-09 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators. + Substitute all uses with ... + (MODEF): New mode iterator. + + (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints + from pre-regalloc define_insn_and_split splitter pattern. + (*fix_trunc<mode>_i387_1): Ditto. + (*fistdi2_1): Ditto. + (*fist<mode>2_1): Ditto. + (frndintxf2_floor): Ditto. + (*fist<mode>2_floor_1): Ditto. + (frndintxf2_ceil): Ditto. + (*fist<mode>2_ceil_1): Ditto. + (frndintxf2_trunc): Ditto. + (frndintxf2_mask_pm): Ditto. + + (prologue): Use (const_int 0) as never generated filler insn. + (epilogue): Ditto. + (sibcall_epilogue): Ditto. + (eh_return_si): Ditto. + (eh_return_di): Ditto. + + (add<mode>3): Rename from adddf3 and addsf3. Macroize expander + using MODEF mode iterator. + (sub<mode>3): Rename from subdf3 and subsf3. Macroize expander + using MODEF mode iterator. + (mul<mode>3): Rename from muldf3 and mulsf3. Macroize expander + using MODEF mode iterator. + (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2. + Macroize expander using MODEF mode iterator. + + (zero_extendsidi2): Remove operand constraints from expander. + (smuldi3_highpart): Ditto. + (indirect_jump): Ditto. + (tablejump): Ditto. + (rsqrtsf2): Ditto. + * config/i386/sse.md (storentv4sf): Ditto. + (storentv2df): Ditto. + (storentv2di): Ditto. + (storentsi): Ditto. + (sse2_cvtpd2ps): Ditto. + (vec_interleave_highv16qi): Ditto. + (vec_interleave_lowv16qi): Ditto. + (vec_interleave_highv8hi): Ditto. + (vec_interleave_lowv8hi): Ditto. + (vec_interleave_highv4si): Ditto. + (vec_interleave_lowv4si): Ditto. + (vec_interleave_highv2di): Ditto. + (vec_interleave_lowv2di): Ditto. + (sse2_maskmovdqu): Ditto. + * config/i386/mmx.md (mmx_maskmovq): Ditto. + +2007-09-09 Ira Rosen <irar@il.ibm.com> + + * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1. + (struct _slp_tree, struct _slp_instance): Define new data structures + along macros for their access. + (struct _loop_vec_info): Define new fields: strided_stores, + slp_instances, and slp_unrolling_factor along macros for their access. + (enum slp_vect_type): New. + (struct _stmt_vec_info): Define new field, slp_type, and macros for + its access. + (STMT_VINFO_STRIDED_ACCESS): New macro. + (vect_free_slp_tree): Declare. + (vectorizable_load): Add an argument of type slp_tree. + (vectorizable_store, vectorizable_operation, vectorizable_conversion, + vectorizable_assignment): Likewise. + (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost): + Declare (make extern). + * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field. + (new_loop_vec_info): Likewise. + (destroy_loop_vec_info): Free memory allocated for SLP structures. + * tree-vect-analyze.c: Include recog.h. + (vect_update_slp_costs_according_to_vf): New. + (vect_analyze_operations): Add argument for calls to vectorizable_ () + functions. For not pure SLP stmts with strided access check that the + group size is power of 2. Update the vectorization factor according to + SLP. Call vect_update_slp_costs_according_to_vf. + (vect_analyze_group_access): New. + (vect_analyze_data_ref_access): Call vect_analyze_group_access. + (vect_free_slp_tree): New functions. + (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree, + vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp, + vect_make_slp_decision, vect_detect_hybrid_slp_stmts, + vect_detect_hybrid_slp): Likewise. + (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision + and vect_detect_hybrid_slp. + * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take + SLP costs into account. + (vect_get_cost_fields): New function. + (vect_model_simple_cost): Make extern, add SLP parameter and handle + SLP. + (vect_model_store_cost, vect_model_load_cost): Likewise. + (vect_get_constant_vectors): New function. + (vect_get_slp_vect_defs, vect_get_slp_defs, + vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy, + vect_get_vec_defs): Likewise. + (vectorizable_reduction): Don't handle SLP for now. + (vectorizable_call): Don't handle SLP for now. Add argument to + vect_model_simple_cost. + (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to + get SLPed and vectorized defs). Fix indentation and spacing. + (vectorizable_assignment): Handle SLP. + (vectorizable_induction): Don't handle SLP for now. + (vectorizable_operation): Likewise. + (vectorizable_type_demotion): Add argument to + vect_model_simple_cost. + (vectorizable_type_promotion): Likewise. + (vectorizable_store, vectorizable_load): Handle SLP. + (vectorizable_condition): Don't handle SLP for now. + (vect_transform_stmt): Add a new argument for SLP. Check that there is + no SLP transformation required for unsupported cases. Add SLP + argument for supported cases. + (vect_remove_stores): New function. + (vect_schedule_slp_instance, vect_schedule_slp): Likewise. + (vect_transform_loop): Schedule SLP instances. + * Makefile.in: (tree-vect-analyze.o): Depend on recog.h. + +2007-09-09 Andrew Haley <aph@redhat.com> + + * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake + signed optab. + +2007-09-09 Hans-Peter Nilsson <hp@axis.com> + + Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET. + * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn. + Similar for what label_refs can go in the JUMP_TARGET field. Split + REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND. + * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not + REG_LABEL when replacing an operand with a LABEL_REF for a + non-jump insn. + (subst_reloads): When replacing a LABEL_REG with a register, + instead of generating a REG_LABEL note, assert that there already + is one or that the label is a known target for the insn. + * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL + note, check the JUMP_LABEL field. Remove "else" after return. + * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with + cases for REG_LABEL_OPERAND and REG_LABEL_TARGET. + (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and + REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P + insns. Iterate over all notes; don't assume there's only one. + * cse.c (recorded_label_ref): Adjust comment to refer to + REG_LABEL_OPERAND. + (cse_extended_basic_block): Do LABEL_REF check for all INSN_P + insns, not just NONJUMP_INSN_P. + (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF + isn't a jump target. + * jump.c (rebuild_jump_labels): Adjust head comment. + (init_label_info): Ditto. Remove REG_LABEL_OPERAND notes only; + don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field. + (mark_all_labels): For JUMP_P insns without a target, check if the + the target is noted on the previous nonjump insn. + (mark_jump_label_1): New function, guts from mark_jump_label. + <case IF_THEN_ELSE>: Handle first operand as a non-target when + marking jump target labels. + <case LABEL_REF>: Adjust for whether to generate a + REG_LABEL_TARGET or a REG_LABEL_OPERAND note. + For 'E' format rtl, iterate in descending element order. + (delete_related_insns): Handle both REG_LABEL_TARGET and + REG_LABEL_OPERAND notes. For JUMP_P insns with labels with zero + reference count, delete and fallthrough. Move finding-next- + non-deleted insn last in the function. Look at all INSN_P insns + for REG_LABEL_OPERAND notes. + (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of + JUMP. + * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL + JUMP_LABEL, output the INSN_UID of it. + * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND + and/or REG_LABEL_TARGET. + (add_label_notes): Only add REG_LABEL_OPERAND notes. Put in line + with jump.c copy by only adding notes for labels actually + referenced in the insn. + * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need + usage count increment; handle all INSN_P trial insns. + (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND + notes. + * rtl.h (struct rtx_def) <volatil>: Adjust to mention + REG_LABEL_TARGET and REG_LABEL_OPERAND. + (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and + REG_LABEL_OPERAND. + * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on + JUMP_P insns and REG_LABEL_OPERAND everywhere. + * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS + on all INSN_P insns. + * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL. + * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and + REG_LABEL_OPERAND notes. + * reload1.c (calculate_needs_all_insns): Adjust comments. + (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes. + * config/alpha/alpha.md (split for load of an address into a + four-insn sequence on Unicos/Mk): Adjust to use + REG_LABEL_OPERAND. + * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto. + +2007-09-09 Laurynas Biveinis <laurynas.biveinis@gmail.com> + + Revert: + 2007-09-05 Laurynas Biveinis <laurynas.biveinis@gmail.com> + * regrename.c (copyprop_hardreg_forward_1): New variable next. Use + FOR_BB_INSNS_SAFE instead of for loop. + * cse.c (cse_extended_basic_block): Likewise. + * postreload.c (reload_cse_regs_1): New variable next. Make sure + that the for loop does not invoke NEXT_INSN on a deleted insn. + * function.c (instantiate_virtual_regs): Likewise. + * lower-subreg.c (remove_retval_note): Likewise. + (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of + FOR_BB_INSNS. + * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on + a deleted insn. + * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted + insn, if it's a jump. + (try_redirect_by_replacing_jump): New variable jump_p. Call + tablejump_p before delete_insn_chain. + * reload1.c (reload): New variable next. Make sure that the for + loop does not invoke NEXT_INSN on a deleted insn. + (fixup_eh_region_note): Make the loop terminate if i becomes NULL. + (delete_output_reload): New variable prev. Make sure the the for + loops do not invoke PREV_INSN on a deleted insn. + +2007-09-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa/constraints.md: Remove 'X' from unused letters comment. + +2007-09-08 Richard Guenther <rguenther@suse.de> + + * tree-tailcall.c (find_tail_calls): If we don't have aliases + computed check stmt_ann->references_memory instead of counting + virtual operands. + +2007-09-08 Segher Boessenkool <segher@kernel.crashing.org> + + * cse.c (fold_rtx): Use validate_unshare_change() instead of + validate_change() in one more case. + +2007-09-08 Zdenek Dvorak <ook@ucw.cz> + + PR tree-optimization/32283 + * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use + estimated_loop_iterations. + (determine_use_iv_cost_condition): Decrease cost of expressions + used in iv elimination. + +2007-09-08 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (verify_gimple_expr): Avoid building new + pointer types, use TYPE_POINTER_TO if available instead. + +2007-09-08 Uros Bizjak <ubizjak@gmail.com> + + PR target/33329 + PR rtl-optimization/26449 + * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence. + (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in + split1 pass. + (mulv16qi3): Implement as define_insn_and_split pattern instead of + define_expand. Split insn in split1 pass. + (mulv2di3): Ditto. + +2007-09-08 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/33301 + * tree-vect-analyze (analyze_operations): Look at the type of the rhs + when relevant. + +2007-09-07 Zdenek Dvorak <ook@ucw.cz> + + PR tree-optimization/32183 + * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H). + + * tree-ssa-reassoc.c: Include cfgloop.h. + (is_reassociable_op): Add a loop argument and return true only + for inside loop. + (linearize_expr): Updated. + (should_break_up_subtract): Likewise. + (linearize_expr_tree): Likewise. + (init_reassoc): Call loop_optimizer_init with + AVOID_CFG_MODIFICATIONS. Remove calculate_dominance_info call + with CDI_DOMINATORS. + (fini_reassoc): Call loop_optimizer_finalize. + +2007-09-07 Sterling Augustine <sterling@tensilica.com> + + * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even + if there is no i-cache. + +2007-09-07 Richard Guenther <rguenther@suse.de> + + Reapply + 2007-09-06 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/32586 + * tree-ssa-sccvn.c (simplify_binary_expression): Avoid + folding if nothing changed. + (simplify_unary_expression): New function. Do tree combining + on conversion like codes. + (try_to_simplify): Call it. + +2007-09-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/33286 + * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux. + (__gthread_active,__gthread_start, __gthread_active_init): New. + * gthr-posix95.h: Likewise. + +2007-09-07 Roman Zippel <zippel@linux-m68k.org> + + * function.h (struct function): Rename calls_unwind_init + to saves_all_registers. + (current_function_saves_all_registers): Renamed from + current_function_calls_unwind_init. + * reload1.c (reload): Set current_function_saves_all_registers. + * except.c (expand_builtin_unwind_init): Likewise. + * config/m68k/m68k.c (m68k_save_reg): Use + current_function_saves_all_registers to save pic register. + +2007-09-07 Janis Johnson <janis187@us.ibm.com> + + config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN. + config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto. + + Reapply reverted changes: + + 2007-09-06 Jan Hubicka <jh@suse.cz> + + * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call + of real_2expN. + + 2007-09-06 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2) + (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN. + + 2007-09-05 Janis Johnson <janis187@us.ibm.com> + + * optabs.c (expand_float): Convert unsigned integer as signed only + if it provides sufficient accuracy; add mode argument to real_2expN. + (expand_fix): Fix comment typos; extend binary float into mode + wider than destination for converion to unsigned integer; add mode + argument to real_2expN. + * real.c (real_2expN): Add mode argument to special-case decimal + float values. + * real.h (real_2expN): Ditto. + * fixed-value.c (check_real_for_fixed_mode): Add mode argument to + real_2expN. + (fixed_from_string): Ditto. + (fixed_to_decimal): Ditto. + (fixed_convert_from_real): Ditto. + (real_convert_from_fixed): Ditto. + * config/rs6000/rs6000.md (FP): Include DD and TD modes. + * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3, + muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1, + floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New. + +2007-09-07 Diego Novillo <dnovillo@google.com> + + * tree-flow.h (const_block_stmt_iterator): Remove. + Update all users to use block_stmt_iterator. + * tree-iterator.h (const_tree_stmt_iterator): Remove. + Update all users to use tree_stmt_iterator. + +2007-09-07 Sandra Loosemore <sandra@codesourcery.com> + + * config/mips/mips.c (mips_set_current_function): Temporarily + make this a no-op to fix bootstrap errors, pending rewrite. + +2007-09-07 Jan Hubicka <jh@suse.cz> + + * reorg.c (dbr_schedule): Move code removing placeholder USEs later + in the pass. + +2007-09-07 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/33299 + * tree-vect-transform.c (vect_create_epilog_for_reduction): Update + uses for all relevant loop-exit phis, not just the first. + +2007-09-07 Richard Guenther <rguenther@suse.de> + + PR middle-end/33330 + * tree-ssa-operands.c (access_can_touch_variable): An access + of the form (*p)[0] can touch a variable of same size. + +2007-09-07 Jan Hubicka <jh@suse.cz> + + * passes.c (init_optimization_passes): Add simple dce and addressable + passes. + * tree-ssa.c (execute_update_addresses_taken): New function. + (pass_update_address_taken): New. + * tree-ssa-dse.c (execute_simple_dse): New function. + (pass_simple_dse): New. + * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare. + +2007-09-07 Tobias Burnus <burnus@net-b.de> + + PR middle-end/33321 + * doc/invoke.texi: Fix -Wstrict-overflow= table. + +2007-09-07 Richard Guenther <rguenther@suse.de> + + Revert + 2007-09-06 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/32586 + * tree-ssa-sccvn.c (simplify_binary_expression): Avoid + folding if nothing changed. + (simplify_unary_expression): New function. Do tree combining + on conversion like codes. + (try_to_simplify): Call it. + +2007-09-07 Richard Guenther <rguenther@suse.de> + Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/32821 + * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of + NULL in the call to set_bb_stmt_list. + +2007-09-07 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (build_mips16_call_stub): Emit all direct + float calls here, rather than leaving some to the caller. + Use call_internal_direct and call_value_internal_direct. + * config/mips/mips.md (call_internal_direct): New pattern. + (call_value_internal_direct): Likewise. + +2007-09-07 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (mips_base_move_loop_invariants): New variable. + (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set + to 0 for MIPS16. + (override_options): Set mips_base_move_loop_invariants. + +2007-09-07 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.opt (mcode-readable=): Move to keep list + alphabetical. + +2007-09-07 Richard Sandiford <richard@codesourcery.com> + + * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata + and -mgpopt options. Adjust the -G documentation to match. + * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New. + * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New + function, split out from mips_classify_symbol. Return false for + !TARGET_LOCAL_SDATA. + (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p. + Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT. + (override_options): Check whether the -mgpopt setting is consistent + with the other flags. + (symbolic_expression_p): Delete. + (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p + and default_elf_select_rtx_section. + (mips_in_small_data_p): Honor section attributes for MIPS16 too. + Return false for local data unless TARGET_LOCAL_SDATA. Likewise + external data and TARGET_EXTERN_SDATA. + +2007-09-07 Tobias Burnus <burnus@net-b.de> + + PR fortran/33303 + * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__. + +2007-09-05 Laurynas Biveinis <laurynas.biveinis@gmail.com> + + * regrename.c (copyprop_hardreg_forward_1): New variable next. Use + FOR_BB_INSNS_SAFE instead of for loop. + * cse.c (cse_extended_basic_block): Likewise. + * postreload.c (reload_cse_regs_1): New variable next. Make sure + that the for loop does not invoke NEXT_INSN on a deleted insn. + * function.c (instantiate_virtual_regs): Likewise. + * lower-subreg.c (remove_retval_note): Likewise. + (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of + FOR_BB_INSNS. + * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on + a deleted insn. + * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted + insn, if it's a jump. + (try_redirect_by_replacing_jump): New variable jump_p. Call + tablejump_p before delete_insn_chain. + * reload1.c (reload): New variable next. Make sure that the for + loop does not invoke NEXT_INSN on a deleted insn. + (fixup_eh_region_note): Make the loop terminate if i becomes NULL. + (delete_output_reload): New variable prev. Make sure the the for + loops do not invoke PREV_INSN on a deleted insn. + +2007-09-06 Zdenek Dvorak <ook@ucw.cz> + + * cgraphbuild.c (rebuild_cgraph_edges): Export. + * cgraph.h (rebuild_cgraph_edges): Declare. + * tree-pass.h (pass_expand_omp_ssa): New. + * omp-low.c (find_omp_clause): Export. + (copy_var_decl): Split from omp_copy_decl_2. + (build_omp_barrier): Return the call to emit instead of emitting + it directly. + (lower_rec_input_clauses, expand_omp_single): Gimplify the result of + build_omp_barrier. + (extract_omp_for_data, expand_parallel_call, expand_omp_parallel, + expand_omp_for_generic, expand_omp_for_static_nochunk, + expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections): + Adapted to work on SSA form. + (execute_expand_omp): Do not invalidate dominance information. + (gate_expand_omp): Do not run with -fopenmp-ssa flag. + (gate_expand_omp_ssa, pass_expand_omp_ssa): New. + * gimplify.c (gimplify_omp_for): Ensure that the control variable is + a gimple_reg. + (force_gimple_operand): Allow gimplifying code expressions without + value. + * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes. + * common.opt (fopenmp-ssa): New. + * tree-flow.h (find_omp_clause, copy_var_decl): Declare. + * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency. + * tree-cfg.c: Include tree-inline.h. + (struct move_stmt_d): Replace vars_to_remove by vars_map field. + (replace_by_duplicate_decl, replace_ssa_name, + mark_virtual_ops_in_region): New functions. + (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted + to work on SSA form. + * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass. + * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP + constructs. + +2007-09-06 Laurynas Biveinis <laurynas.biveinis@gmail.com> + + * tree-loop-linear.c: Include obstack.h. + (linear_transform_loops): New obstack lambda_obstack. + Initialize it, pass it to gcc_loopnest_to_lambda_loopnest, + lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls + and free afterwards. + * lambda.h (struct obstack): New forward declaration. + (lambda_linear_expression_new): New parameter of type struct + obstack *. + (lambda_loopnest_new): Likewise. + (lambda_loopnest_transform): Likewise. + (lambda_body_vector_new): Likewise. + (lambda_body_vector_compute_new): Likewise. + (gcc_loopnest_to_lambda_loopnest): Likewise. + (lambda_loopnest_to_gcc_loopnest): Likewise. + * lambda-code.c: Include obstack.h. + (lambda_lattice_new): New parameter lambda_obstack. Use it for + allocation of ret. + (lambda_body_vector_new): Likewise. + (lambda_linear_expression_new): Likewise. + (lambda_lattice_new): Likewise. + (lambda_loopnest_new): Likewise. Additionally use obstack to + allocate LN_LOOPS(ret). + (lambda_lattice_compute_base): New parameter lambda_obstack. Pass + it to lambda_lattice_new. + (lambda_body_vector_compute_new): New parameter lambda_obstack. + Pass it to lambda_body_vector_new. + (lambda_lattice_compute_base): New paramater lambda_obstack. Pass + it to lambda_lattice_new. + (compute_nest_using_fourier_motzkin): New parameter lambda_obstack. + Pass it to lambda_loopnest_new, lambda_linear_expression_new. + (lambda_compute_target_space): Likewise. + (lambda_compute_auxillary_space): New parameter lambda_obstack. + Pass it to lambda_lattice_compute_base and + compute_nest_using_fourieer_motzkin. + (lambda_loopnest_transform): New parameter lambda_obstack. Pass + it to lambda_lattice_compute_base, lambda_lattice_auxillary_space + and lambda_lattice_compute_target_space. + (gcc_tree_to_linear_expression): Nex parameter lambda_obstack. + Pass it to lambda_linear_expression_new. + (gcc_loop_to_lambda_loop): New parameter lambda_obstack. Pass it + to gcc_tree_to_linear_expression. + (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack. + Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new. + (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack. + Pass it to lambda_body_vector_new and + lambda_body_vector_compute_new. + * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency. + (lambda-code.o): Likewise. + +2007-09-06 Chao-ying Fu <fu@mips.com> + + * ginclude/stdfix.h: New file. + * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h. + (convert.o): Add dependence on fixed-value.h. + * c-convert.c (convert): Support FIXED_POINT_TYPE. + * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function + to define fixed-point constants. + (c_cpp_builtins): Define fixed-point constants. + * convert.c (fixed-value.h): New include. + (convert_to_real): Update comment to include fixed-point. + Support FIXED_POINT_TYPE. + (convert_to_integer): Update comment to include fixed-point. + Support FIXED_POINT_TYPE. + (convert_to_complex): Support FIXED_POINT_TYPE. + (convert_to_fixed): New function. + * convert.h (convert_to_fixed): Declare. + * genopinit.c: Add comment about $Q for only fixed-point modes. + (optabs): Add fract_optab, fractuns_optab, satfract_optab, + satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab, + sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab, + ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab, + usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab, + usneg_optab for fixed-point modes. + (gen_insn): Add force_fixed to track the $Q format for all fixed-point + modes. + * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR, + PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or + unsigned saturation optabs, when type is saturating. + (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT. + (expand_fixed_convert): New function. + (gen_fixed_libfunc, gen_signed_fixed_libfunc, + gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc, + gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc, + gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc, + gen_fract_conv_libfunc, gen_fractuns_conv_libfunc, + gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New + functions. + (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab, + ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab, + usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab, + ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab, + usneg_optab, fract_optab, fractuns_optab, satfract_optab, + satfractuns_optab. + Initialize fixed-point libraries, including add, ssadd, usadd, sub, + sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl, + ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract, + fractuns, satfractuns. + * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub, + OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg, + OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen, + OTI_ssmsub_widen, OTI_usmsub_widen. + (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab, + usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab, + ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab, + umsub_widen_optab, usmsub_widen_optab): Define. + (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract, + COI_satfractuns. + (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab): + Define. + (expand_fixed_convert): Declare. + * expr.c (convert_move): Support the move of fixed-point modes. + (emit_move_insn_1): Handle fixed-point mode to move via integer. + (categorize_ctor_elements_1): Handle FIXED_CST. + (count_type_elements): Handle FIXED_POINT_TYPE. + (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT, + MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. + Support FIXED_CST. + For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating + multiply and add/subtract for fixed-point types. + For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point + mode, we jump to binop directly. + Support FIXED_CONVERT_EXPR. + (do_store_flag): Check FIXED_CST to put a constant second. + (vector_mode_valid_p): Handle MODE_VECTOR_FRACT, + MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. + (const_vector_from_tree): Support FIXED_CST. + * doc/extend.texi (Fixed-Point): New node. + * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv, + ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract, + satfract, fractuns, satfractuns): Document them. + +2007-09-07 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc + addresses into I registers. + +2007-09-06 Jan Hubicka <jh@suse.cz> + Andreas Tobler <a.tobler@schweiz.org> + + * config/darwin.c (machopic_indirect_data_reference): Avoid invalid + sharing. + (machopic_legitimize_pic_address): Likewise. + +2007-09-06 Andrew Pinski <andrew_pinski@playstation.sony.com> + Jan Hubicka <jh@suse.cz> + + * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc + instead of ufloat_optab->handlers directly. + (floatdidf2): Likewise. + +2007-09-06 Sandra Loosemore <sandra@codesourcery.com> + + * config/mips/mips.c: Include diagnostic.h. + (mips_set_current_function): Check errorcount and sorrycount + before generating RTL. + +2007-09-06 Richard Sandiford <richard@codesourcery.com> + + PR target/33256 + * config/mips/mips.c (mips_classify_symbolic_expression): New function. + (mips_classify_address): Use it instead of mips_symbolic_constant_p. + (print_operand_reloc): Likewise. + +2007-09-06 Janis Johnson <janis187@us.ibm.com> + + Revert: + + 2007-09-06 Jan Hubicka <jh@suse.cz> + + * config/i386/i386.c (ix86_expand_lround, ix86_expand_round): + Update call of real_2expN. + + 2007-09-06 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2) + (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN. + + 2007-09-05 Janis Johnson <janis187@us.ibm.com> + + * optabs.c (expand_float): Convert unsigned integer as signed only + if it provides sufficient accuracy; add mode argument to real_2expN. + (expand_fix): Fix comment typos; extend binary float into mode + wider than destination for converion to unsigned integer; add mode + argument to real_2expN. + * real.c (real_2expN): Add mode argument to special-case decimal + float values. + * real.h (real_2expN): Ditto. + * fixed-value.c (check_real_for_fixed_mode): Add mode argument to + real_2expN. + (fixed_from_string): Ditto. + (fixed_to_decimal): Ditto. + (fixed_convert_from_real): Ditto. + (real_convert_from_fixed): Ditto. + * config/rs6000/rs6000.md (FP): Include DD and TD modes. + * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3, + muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1, + floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New. + +2007-09-06 Tom Tromey <tromey@redhat.com> + + * tree-cfg.c (remove_bb): Only warn if line is non-zero. + * c-pch.c (c_common_read_pch): Restore current location after + reading PCH file. + * tree.c (expand_location): Update. + (expr_filename): Changed return type. Unified the two cases. + (expr_lineno): Likewise. + (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME + as lvalues. + * toplev.c (line_table): Changed type. + (general_init): Update. + (realloc_for_line_map): New function. + (general_init): Allocate line_table using GC. + * fix-header.c (line_table): Changed type. + (read_scan_file): Update. + (read_scan_file): Update. + * c-ppoutput.c (maybe_print_line): Update. + (print_line): Update. + (cb_line_change): Update. + (cb_define): Update. + (pp_file_change): Update. + * c-opts.c (c_common_init_options): Update. + (finish_options): Update. + (push_command_line_include): Update. + * c-lex.c (cb_line_change): Update. + (cb_def_pragma): Update. + (cb_define): Update. + (cb_undef): Update. + (c_lex_with_flags): Use cpp_get_token_with_location. + * input.h (line_table): Changed type. + (location_from_locus): New macro. + * tree.h (EXPR_FILENAME): No longer an lvalue. + (EXPR_LINENO): Likewise. + (expr_locus, set_expr_locus): Declare separately for + USE_MAPPED_LOCATION. + (expr_filename, expr_lineno): Changed return type. + * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS. + * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus. + (expand_gimple_basic_block): Likewise. + * final.c (final_scan_insn): Use expanded_location. + +2007-09-06 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/32586 + * tree-ssa-sccvn.c (simplify_binary_expression): Avoid + folding if nothing changed. + (simplify_unary_expression): New function. Do tree combining + on conversion like codes. + (try_to_simplify): Call it. + * builtins.c (fold_builtin_cexp): Fold the built expressions. + * fold-const.c (fold_unary): Test result of get_callee_fndecl(). + +2007-09-06 Jan Hubicka <jh@suse.cz> + + PR target/33318 + * cse.c (fold_rtx): Avoid invalid sharing. + +2007-09-06 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2) + (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN. + +2007-09-06 Revital Eres <eres@il.ibm.com> + + * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p): + Fix offsettable memory reference for 750CL. + +2007-09-06 Pat Haugen <pthaugen@us.ibm.com> + + * reload.c (find_reloads_address_1): Try to preserve original + base/index regclass of operands. + * regrename.c (scan_rtx_address): Likewise. + (replace_oldest_value_addr): Likewise. + +2007-09-06 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33302 + * domwalk.c (walk_dominator_tree): The exit block is + interesting even if it is not reachable. + +2007-09-06 Richard Sandiford <richard@codesourcery.com> + + PR middle-end/33306 + * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode. + +2007-09-06 Basile Starynkevitch <basile@starynkevitch.net> + + * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for + robustness. + +2007-09-05 Ian Lance Taylor <iant@google.com> + + * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int + when printing. + (dump_generic_node): Likewise. + * print-rtl.c (print_decl_name): Likewise. + * print-tree.c (print_node_brief): Likewise. + (print_node): Likewise. + * Makefile.in (RTL_BASE_H): Add alias.h. + (TREE_H): Likewise. + +2007-09-06 Jesper Nilsson <jesper.nilsson@axis.com> + + * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros): + Defined. + * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented. + * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined. + +2007-09-06 Jie Zhang <jie.zhang@analog.com> + + * config.gcc (tm_file): Add linux.h for bfin*-uclinux*. + (tm_defines): Define UCLIBC_DEFAULT to 1. + (extra_options): Add linux.opt. + * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define. + (CRT_CALL_STATIC_FUNCTION): Likewise. + (NO_IMPLICIT_EXTERN_C): Likewise. + (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS. + * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define. + * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define. + (ENDFILE_SPEC): Don't define. + (LIB_SPEC): Likewise. + (CRT_CALL_STATIC_FUNCTION): Likewise. + (NO_IMPLICIT_EXTERN_C): Likewise. + (LINUX_TARGET_OS_CPP_BUILTINS): Likewise. + (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS. + +2007-09-06 Jan Hubicka <jh@suse.cz> + + * config/i386/i386.c (ix86_expand_lround, ix86_expand_round): + Update call of real_2expN. + +2007-09-06 Jan Hubicka <jh@suse.cz> + + * opts.c (common_handle_option): Enable inlining functions for + -fprofile-generate. + +2007-09-06 Jakub Jelinek <jakub@redhat.com> + + * builtin-attrs.def (ATTR_NONNULL_3): New. + (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of + ATTR_NOTHROW_NONNULL_##FA. + (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros. + (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3, + ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4, + ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5, + ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6, + ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3, + ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4): + New. + (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0, + ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0, + ATTR_FORMAT_NOTHROW_3_4): Remove. + * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf, + vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk, + __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_* + instead of ATTR_FORMAT_*_*. + +2007-09-06 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on + parts re-used for REG_FRAME_RELATED_EXPR. + +2007-09-05 Janis Johnson <janis187@us.ibm.com> + + * optabs.c (expand_float): Convert unsigned integer as signed only + if it provides sufficient accuracy; add mode argument to real_2expN. + (expand_fix): Fix comment typos; extend binary float into mode + wider than destination for converion to unsigned integer; add mode + argument to real_2expN. + * real.c (real_2expN): Add mode argument to special-case decimal + float values. + * real.h (real_2expN): Ditto. + * fixed-value.c (check_real_for_fixed_mode): Add mode argument to + real_2expN. + (fixed_from_string): Ditto. + (fixed_to_decimal): Ditto. + (fixed_convert_from_real): Ditto. + (real_convert_from_fixed): Ditto. + * config/rs6000/rs6000.md (FP): Include DD and TD modes. + * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3, + muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1, + floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New. + +2007-09-05 Ian Lance Taylor <iant@google.com> + + * init-regs.c (initialize_uninitialized_regs): Call + emit_insn_before rather than add_insn_before. + +2007-09-05 Jakub Jelinek <jakub@redhat.com> + + * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in. + * tree.h (CALL_EXPR_VA_ARG_PACK): Define. + * tree-inline.h (copy_body_data): Add call_expr field. + * tree-inline.c (expand_call_inline): Initialize call_expr. + (copy_bb): Append anonymous inline fn arguments to arguments + when inlining a CALL_EXPR_VA_ARG_PACK call. + * builtins.c (expand_builtin): Issue an error if + BUILT_IN_VA_ARG_PACK is seen during expand. + (fold_call_expr, fold_builtin_call_array): Don't fold + CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with + __builtin_va_arg_pack () call as last argument. + * gimplify.c (gimplify_call_expr): If last argument to a vararg + function is __builtin_va_arg_pack (), decrease number of call + arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR. + * expr.c (expand_expr_real_1): Issue an error if + CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand. + * tree-pretty-print.c (dump_generic_node): Handle printing + CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs. + * doc/extend.texi (__builtin_va_arg_pack): Document. + +2007-09-05 Adam Nemet <anemet@caviumnetworks.com> + + PR tree-optimization/21513 + * builtins.c (build_builtin_expect_predicate): New function. + (fold_builtin_expect): Add argument for expected value. + Distribute __builtin_expect over short-circuiting operations. + Fold nested builtin_expects. + (fold_builtin_2): Adjust call to fold_builtin_expect. + +2007-09-05 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR web/32965 + PR tree-optimization/13756 + * doc/invoke.texi (Options That Control Optimization): Document + -ftree-dse. + +2007-09-05 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/cpuid.h: New file. + * config/i386/driver-i386.c: Include cpuid.h. + (describe_cache): Shrink size and line strings to 100 bytes. + (detect_caches_amd): Return "" for unsupported max_ext_level. + Use __cpuid function. + (detect_caches_intel): Return "" for unsupported max_level. + Use __cpuid function. + (host_detect_local_cpu): Change feature flag variables to + unsigned int. Initialize only extended feature flag variables. + Use __get_cpuid_max to determine max supported cpuid level. + Use __cpuid function to determine supported features. Fix + calculation of family id. Remove is_amd and check signature + directly. Check for Geode signature. Handle family 4 id. + [PROCESSOR_GENERIC32]: New default for unknown family id. Move + cpu discovery code to lower part of the function. + [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune + for sub-architecture. + [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code. + [PROCESSOR_K8]: Add k8-sse3 architecture. + [PROCESSOR_NOCONA]: Remove. + [PROCESSOR_GENERIC64]: Ditto. + * config/i386/x-i386 (driver-i386.o): Depend on cpuid.h. + * config/i386/crtfastmath.c: Include cpuid.h. Use __get_cpuid + to check for SSE and FXSAVE support. + * config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h. + Add -minline-all-stringops. + * config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers. + (x86_64-*-*): Ditto. + +2007-09-05 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/linux-unwind.h: New file. + * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define. + * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define. + +2007-09-05 Laurynas Biveinis <laurynas.biveinis@gmail.com> + + * Makefile.in (stmt.o): Add alloc-pool.h dependency. + * stmt.c: Include alloc-pool.h. + (struct case_node): Remove GTY marker. + (add_case_node): New parameter case_node_pool. Use it for + allocation of r. + (expand_case): New allocation pool case_node_pool. Initialize it, + pass to add_case_node and free it. + +2007-09-05 Sandra Loosemore <sandra@codesourcery.com> + David Ung <davidu@mips.com> + Nigel Stephens <nigel@mips.com> + + Add mips16/nomips16 function attributes and -mflip-mips16 option + for testing mixed-mode compilation. + + * config/mips/mips.opt (mflip-mips16): New. + + * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define. + (SYMBOL_FLAG_MIPS16_FUNC_P): Define. + + * config/mips/mips.c (mips_base_target_flags): New. + (mips_base_mips16): New. + (mips_base_schedule_insns): New. + (mips_base_reorder_blocks_and_partition): New. + (mips_base_align_loops): New. + (mips_base_align_jumps): New. + (mips_base_align_functions): New. + (mips16_flipper): New. + (mips_attribute_table): Add "mips16" and "nomips16" entries. + (TARGET_SET_CURRENT_FUNCTION): Define. + (mips_mips16_type_p, mips_nomips16_type_p): New. + (mips_comp_type_attributes): Check mips16/nomips16 attributes. + (mips_function_ok_for_sibcall): Make it deal with functions with + mips16 attributes. + (mips_init_split_addresses): New, split out from override_options. + (mips_init_relocs): New, split out from override_options. + (was_mips16_p): New. + (mips_set_mips16_mode): New, split out from override_options. + (mips_set_current_function): New. + (override_options): Add sorry for unsupported mips16/pic + combination. Remove error for mips16/dsp combination. Save + base option settings. + (mips_file_start): Move mips16 mode setting output from here.... + (mips_output_function_prologue): ....to here. + (mips_output_mi_thunk): Check for mips16 function. + (build_mips16_function_stub): Don't set .mips16 here. + (build_mips16_call_stub): Likewise. + (mips_expand_builtin): Error in mips16 mode. + (mips_use_mips16_mode_p): New. + (mips_encode_section_info): Check for mips16 function, and set + SYMBOL_REF_FLAGS accordingly. + + * doc/extend.texi (Function Attributes): Document new + mips16/nomips16 attributes. + * doc/invoke.texi (Option Summary): Add -mflip-mips16. + (MIPS Options): Document -mflip-mips16. + +2007-09-05 Sandra Loosemore <sandra@codesourcery.com> + + * config/mips/mips.c (mips_legitimize_tls_address): Call sorry + if we encounter TLS address in MIPS16 mode. + (mips_legitimize_const_move): Check cannot_force_const_mem for + the (const (plus symbol offset)) case; this forces invalid TLS + address in MIPS16 mode to be caught by the above call to sorry. + (override_options): Don't reset targetm.have_tls in MIPS16 mode, + because that now enables emutls, which is not ABI compatible + with native TLS in non-MIPS16 mode. + +2007-09-05 Sandra Loosemore <sandra@codesourcery.com> + + Add target hook invoked when cfun changes. + + * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document. + * target.h (struct gcc_target): Add set_current_function. + * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define. + (TARGET_INITIALIZER): Add initializer for set_current_function. + * tree.h (push_struct_function): New. + * tree-inline.h (push_cfun, pop_cfun): Move declarations to... + * function.h: Here. + (set_cfun): Declare. + * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to... + * function.c: Here. + (push_function_context_to): Use allocate_struct_function + to create null context, not init_dummy_function_start. Use set_cfun. + (pop_function_context_from): Use set_cfun. + (in_dummy_function): New. + (invoke_set_current_function_hook): New. + (set_cfun): New. + (push_cfun, pop_cfun): Use set_cfun. + (push_struct_function): New. + (allocate_struct_function): Call invoke_set_current_function_hook + before returning. + (prepare_function_start): Don't set cfun here. Remove unused + argument; fix all callers. + (init_dummy_function_start): Fiddle with in_dummy_function. Call + push_struct_function. + (init_function_start): Set cfun here. + (expand_dummy_function_end): Fiddle with in_dummy_function. Pop cfun. + * omp-low.c (create_omp_child_function): Use push_struct_function + and pop_cfun to save/restore state. + (expand_omp_parallel): Remove unused saved_cfun variable. + * cgraphunit.c (ipa_passes): Use set_cfun. + * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here. + * dwarf2out.c (dwarf2out_abstract_function): Likewise. + * matrix-reorg.c (transform_allocation_sites): Likewise. + (matrix_reorg): Use set_cfun. + * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here. + * tree-optimize.c (tree_rest_of_compilation): Remove one redundant + assignment to cfun; use set_cfun for the other. + * tree-cfg.c (move_sese_region_to_fn): Use set_cfun. + (dump_function_to_file): Use push_cfun/pop_cfun here. + * c-decl.c (finish_function): Use set_cfun. + +2007-09-05 Kenneth Zadeck <zadeck@naturalbridge.com> + + * regrename.c (rerename_optimize): Use deferred rescanning and + insert explicit calls to rescan insns when changed. + +2007-09-05 Jan Hubicka <jh@suse.cz> + + * optabs.c (libfunc_entry): Change optab to integer. + (hash_libfunc, convert_optab_libfunc, optab_libfunc, + set_optab_libfunc, set_conv_libfunc): Use optable indexes instead + of pointers for hashing. + +2007-09-05 Jan Hubicka <jh@suse.cz> + + * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing + verifier. + * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise. + * see.c (pass_see): Likewise. + * tracer.c (pass_tracer): Likewise. + * postreload-gcse.c (pass_gcse2): Likewise. + * postreload.c (pass_postreload_cse): Likewise. + * mode-switching.c (pass_mode_switching): Likewise. + * modulo-sched.c (pass_sms): Likewise. + * cse.c (cse_insn): Likewise. + * web.c (pass_web): Likweise. + * combine-stack-adj.c (pass_stack_adjustments): Likewise. + * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise. + * loop-init.c (pass_rtl_loop_init): Likewise. + (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch, + pass_rtl_unroll_and, pass_rtl_doloop): Likewise. + * global.c (pass_global_alloc): Likewise. + * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine, + pass_if_after_reload): Likewise. + * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise. + * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise. + * regmove.c (pass_regmove): Likewise. + * function.c (pass_thread_prologugues_epilogues): Likewise. + * gcse.c (pass_gcse): Likewise. + * rtl-factoring.c (pass_rtl_seqabstr): Likewise. + * lower-subreg.c (pass_lower_subreg2): Likewise. + * bt-load.c (pass_branch_target_load): Likewise. + * emit-rtl.c (pass_unshare_all_rtl): Likewise. + * cfgcleanup.c (pass_jump, pass_jump2): Likewise. + * combine.c (pass_combine): Likewise. + * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise. + (pass_partition_blocks): Likewise. + * var-tracking.c (pass_variable_track): Likewise. + * reg-stack.c (pass_stack_regs_run): Likewise. + * sched-rgn.c (pass_sched, pass_sched2): Likewise. + * passes.c (pass_postreload): Likewise. + (execute_function_todo): Add TODO_verify_rtl_sharing handling code. + * tree-pass.h (TODO_verify_rtl_sharing): New. + (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi, + TODO_update_ssa_only_virtuals, TODO_remove_unused_locals, + TODO_set_props, TODO_df_finish, TODO_df_verify, + TODO_mark_first_instance, TODO_rebuild_alias): Renumber. + +2007-09-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p, + fold_real_zero_addition_p, reorder_operands_p, + div_if_zero_remainder, fold_undefer_overflow_warnings, + int_binop_types_match_p, fold_convert_const_int_from_int, + fold_convert_const_int_from_real, + fold_convert_const_int_from_fixed, + fold_convert_const_real_from_real, + fold_convert_const_real_from_fixed, + fold_convert_const_fixed_from_fixed, + fold_convert_const_fixed_from_int, + fold_convert_const_fixed_from_real, maybe_lvalue_p, + fold_checksum_tree, fold_check_failed, print_fold_checksum, + debug_fold_checksum, multiple_of_p): Constify. + * tree-flow-inline.h (get_lineno): Likewise. + * tree-flow.h (get_lineno): Likewise. + * tree-object-size.c (compute_object_offset, addr_object_size, + alloc_object_size, pass_through_call): Likewise. + * tree-pretty-print.c (op_symbol, print_call_name, + print_struct_decl, do_niy): Likewise. + * tree.h (fold_undefer_overflow_warnings, multiple_of_p, + debug_fold_checksum): Likewise. + +2007-09-04 Steven Bosscher <steven@gcc.gnu.org> + + PR middle-end/33029 + * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL + note, remove the associated REG_RETVAL note. + +2007-09-04 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * config.gcc (powerpc*-*-*): Install + spu2vmx.h, vec_types.h, and si2vmx.h headers. + * config/rs6000/spu2vmx.h: New header. + * config/rs6000/si2vmx.h: New header. + * config/rs6000/vec_types.h: New header. + +2007-09-05 Ben Elliston <bje@au.ibm.com> + + * varasm.c (initializer_constant_valid_p): Fix comment typo. + +2007-09-05 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint, + not `m' for *ptrp. + (__stdcx): Make asm volatile. + (__stwcx, __stdcx): Return only 0 or 1. + +2007-09-05 Jan Hubicka <jh@suse.cz> + + Revert: + + 2007-09-04 Jan Hubicka <jh@suse.cz> + * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value. + + 2007-09-04 Richard Guenther <rguenther@suse.de> + * tree-ssa-operands.c (add_virtual_operand): Only mark + stores as has_volatile_ops if alias information is not available. + +2007-09-05 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/tramp.asm: Include config.h. + Check __PIC__ or __pic__ macro instead of SHARED. + + PR rtl-optimization/32300 + * see.c (see_copy_insn): New function. + (see_def_extension_not_merged, see_merge_one_use_extension, + see_merge_one_def_extension): Use it. Avoid changing + PREV_INSN/NEXT_INSN chains directly, insted emit insns + into sequences. Call df_insn_delete on temporary insns + that won't be emitted into the insn stream. + (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN + and run df_process_deferred_rescans () before run_fast_dce. + + PR tree-optimization/33017 + * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't + recurse for pure or const function calls. + +2007-09-04 Laurynas Biveinis <laurynas.biveinis@gmail.com> + + * c-format.c: Include alloc-pool.h. + (check_format_info_main): New argument fwt_alloc. Use allocation + pool instead of GC. Remove GC deallocation code. + (check_format_arg): Create allocation pool, pass it to + check_format_info_main and free it afterwards. + * Makefile.in (c-format.o): Add alloc-pool.h dependency. + +2007-09-05 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/ppu_intrinsics.h (__protected_stream_count): + Rename count macro arugment for clarity. + (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000. + (__protected_stream_set): Likewise, pass 0. + +2007-09-04 Jan Hubicka <jh@suse.cz> + + * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value. + +2007-09-04 Jan Hubicka <jh@suse.cz> + + * invoke.texi (-finline-small-functions): Document. + * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE + when deciding what is inlinable. + (cgraph_decide_recursive_inlining): Handle flag_inline_functions. + (cgraph_decide_inlining_of_small_function): Handle new flags. + (cgraph_decide_inlining_incrementally): Likewise. + * opts.c (decode_options): Enable flag_inline_small_functions at -O2 + * common.opt (finline-small-functions): New. + * Makefile.in (build/gengtype.o-warn): Work around PR29478 + +2007-09-04 Richard Guenther <rguenther@suse.de> + + * tree-ssa-operands.c (add_virtual_operand): Only mark + stores as has_volatile_ops if alias information is not available. + +2007-09-04 Andrew Haley <aph@redhat.com> + + * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0. + +2007-09-04 Andrew Haley <aph@redhat.com> + + * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New. + * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New. + * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New. + +2007-09-04 Emmanuel Thome <Emmanuel.Thome@inria.fr> + + PR c++/14178 + * common.opt: Mention ABI version 2 in comment. + +2007-09-04 Jan Hubicka <jh@suse.cz> + + * optabs.c (debug_optab_libfunc): Update; make available to gdb. + (libfunc_entry): New structure. + (libfunc_hash): New hashtable. + (hash_libfunc): New function. + (eq_libfunc): New function. + (convert_optab_libfunc): New function. + (optab_libfunc): New function. + (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc, + expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn, + expand_float, expand_fix, new_optab, new_convert_optab): + Update for new libfunc API. + (init_libfunc, init_integral_libfuncs, + init_floating_libfuncs, init_interclass_conv_libfuncs + init_intraclass_conv_libfuncs): Remove; reorganize all logic to: + (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc, + gen_intv_fp_libfunc, gen_interclass_conv_libfunc, + gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc, + gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc, + gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc, + gen_extend_conv_libfunc): New. + (init_one_libfunc): Revamp for hashtables. + (set_conv_libfunc): Likewise. + (init_optabs): Initialize hashtable; use lazy initialization where + possible. + * optabs.h (optab_handlers): Move out of GGC. + (optab, convert_optab): Move out of GGC; add lazy gen info. + (code_to_optab, convert_optab_table, optab_table): Move out of GGC. + (optab_libfunc, convert_optab_libfunc): New. + * builtins.c (expand_builtin_powi): Update for new API. + * expr.c (convert_move): Likewise. + * expmed.c (expand_divmod): Likewise. + +2007-09-04 Daniel Jacobowitz <dan@codesourcery.com> + + * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the + GOT pointer only if there is a constant pool. Use the allocated space + for SPE also. + +2007-09-04 Daniel Jacobowitz <dan@codesourcery.com> + + * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct + typo for AltiVec. + +2007-09-04 Revital Eres <eres@il.ibm.com> + Richard Guenther <rguenther@suse.de> + R. Clint Whaley <whaley@cs.utsa.edu> + + * doc/invoke.texi (-fassociative-math, -freciprocal-math): + Document new flags. + * tree-tailcall.c (process_assignment): Use -fassociative-math + when reodering operands of floating-point type. + * fold-const.c (fold_comparison, fold_binary): Use + -fassociative-math and -freciprocal-math instead of + -funsafe-math-optimization flag. + * toplev.h (set_unsafe_math_optimizations_flags): Declare function. + * tree-ssa-math-opts.c (gate_cse_reciprocals): Use + -freciprocal-math instead of -funsafe-math-optimizations. + * opts.c (set_fast_math_flags): Set -freciprocal-math and + -fassociative-math when -ffast-math is set. + (set_unsafe_math_optimizations_flags): New Function + to set -freciprocal-math and -fassociative-math when + -funsafe-math-optimizations is set. + (common_handle_option): Call it. + * tree-vectorizer.c (vect_is_simple_reduction): Use + -fassociative-math when doing reduction on floats. + * loop-unroll.c (analyze_insn_to_expand_var): Use + -fassociative-math when expanding an accumulator of type float. + * simplify-rtx.c (simplify_binary_operation_1): Use + -fassociative-math and -freciprocal-math when reordeing operands + of floating-point type. + * combine.c (combine_simplify_rtx): Likewise. + * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb): + Likewise. + * common.opt (-fassociative-math, -freciprocal-math): New flags. + +2007-09-04 Paolo Carlini <pcarlini@suse.de> + + PR c++/18608 + * doc/install.texi (--enable-__cxa_atexit): Fix typo. + +2007-09-04 Jan Hubicka <jh@suse.cz> + + * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop. + +2007-09-04 Jan Hubicka <jh@suse.cz> + + * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR + and corresponding MATCH_DUP. + +2007-09-04 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/33187 + * combine.c (subst): Do not try to simplify X if it represents load + of FP constant from the constant pool via float extension. + +2007-09-04 Ben Elliston <bje@au.ibm.com> + + * c-opts.c: Include "tm_p.h". + * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency. + +2007-09-04 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33291 + * tree-pretty-print.c (dump_generic_node): Dump all + qualifiers for pointer types, not only first. Dump + qualifiers for aggregate types as well. + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always + use the canonical type for building ARRAY_REFs. + * gimplify.c (canonicalize_addr_expr): Clean up. The + correct validness check is compatibility of the pointer + types. Always use the canonical type for building + ARRAY_REFs and ADDR_EXPRs. + * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert + change that disabled propagation of ADDR_EXPRs into statements + with volatile ops. + +2007-09-03 Zack Weinberg <zack@codesourcery.com> + + * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart) + (umulsi3_highpart): Make into expanders; existing insns are + now named *[insn]_nov6. Add stars to existing [insn]_v6 + counterparts' names. + +2007-09-03 Daniel Jacobowitz <dan@codesourcery.com> + + * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o) + (unprotoize.o): Remove SHLIB_MULTILIB. + +2007-09-03 Eric Weddington <eweddington@cso.atmel.com> + + * doc/extend.texi: Document progmem attribute for AVR. + +2007-09-03 Anatoly Sokolov <aesok@post.ru> + + PR target/28902 + * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define. + +2007-09-03 Zack Weinberg <zack@codesourcery.com> + + * optabs.c (expand_ffs): Initialize val and defined_at_zero + to avoid warnings. + + * optabs.c: Remove unnecessary forward declarations. + (expand_unop_direct): New, broken out of expand_unop. + (expand_doubleword_clz): New. + (expand_ctz): Move above expand_ffs. Use + start_sequence, end_sequence, add_equal_note, and + expand_unop_direct. Add more commentary. + (expand_ffs): Try both ctz optab and expand_ctz. + Generate a test and branch if the hardware doesn't give us + a useful value for input zero. Style improvements similar to + expand_ctz. + + * config/arm/arm.md (ffssi2, ctzsi2): Delete. + +2007-09-03 Zack Weinberg <zack@codesourcery.com> + + * config.gcc: Delete stanza for arm-semi-aof and + armel-semi-aof targets. + * config/arm/arm-protos.h + * config/arm/arm.c + * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks; + make all #ifndef AOF_ASSEMBLER blocks unconditional. Also + delete aof_pic_label and remove mention of AOF in comments. + * config/arm/arm.md: Delete patterns used only for AOF assembly. + * config/arm/aof.h + * config/arm/semiaof.h + * config/arm/t-semi: Delete file. + +2007-09-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX, + CONST_CAST_BB): New macros for type-specific casts. + (CONST_CAST): Add a TYPE parameter and define it in terms of + CONST_CAST2. + + * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST. + * c-lex.c (cb_ident, lex_string): Likewise, + * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise, + * config/i386/i386.c (ix86_function_regparm, + ix86_function_sseregparm): Use CONST_CAST_TREE. + * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for + CONST_CAST. + * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1, + give_switch, set_multilib_dir): Likewise, + * gengtype-parse.c (string_seq, typedef_name): Likewise, + * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE. + * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX. + * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST. + * prefix.c (update_path): Likewise, + * pretty-print.c (pp_base_destroy_prefix): Likewise, + * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX. + * tree-cfg.c (tree_can_merge_blocks_p, + tree_block_ends_with_condjump_p): Use CONST_CAST_BB. + * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE. + * tree.c (build_string): Supply a TYPE for CONST_CAST. + (attribute_list_contained): Use CONST_CAST_TREE. + +2007-09-03 Krister Walfridsson <cato@df.lth.se> + + * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define. + +2007-09-03 Richard Sandiford <richard@codesourcery.com> + + PR middle-end/33290 + * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs + before forcing them into a register. + +2007-09-03 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.md (fetchop_bit): Use define_code_iterator + rather than define_code_macro. + +2007-09-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + * gcc.c (xputenv): New function. + (putenv_from_prefixes): Use xputenv instead of putenv. + (process_command): Use xputenv instead of putenv. + (set_collect_gcc_options): Use xputenv instead of putenv. + (main): Use xputenv instead of putenv. + +2007-09-03 Jesper Nilsson <jesper.nilsson@axis.com> + + * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe + availability of swap instruction. + * config/cris/cris.md (bswapsi2): Implement using swap instruction. + +2007-09-03 Revital Eres <eres@il.ibm.com> + + * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update + Documentation. + +2007-09-03 Vladimir Yanovsky <yanov@il.ibm.com> + Ayal Zaks <zaks@il.ibm.com> + Revital Eres <eres@il.ibm.com> + + * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule, + compute_split_row): New functions. + (ps_unschedule_node): Remove. + (normalize_sched_times): Iterate over the already scheduled + insns instead of the number of nodes. + (MAX_SPLIT_NUM): New definition. + (sms_schedule_by_order): Change the scheduling heuristic to + avoid useless increases of initiation interval ii. + (get_sched_window): Add dump printouts. + +2007-09-02 David Daney <ddaney@avtrex.com> + + * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP, + UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants. + (optab, insn): Add more attributes. + (fetchop_bit): New code macro. + (immediate_insn): New code macro attribute. + (sync): Change condition to ISA_HAS_SYNC. + (rdhwr): Change predicate for operand 0 to register_operand. + (memory_barrier): New expand. + (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>, + sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>, + sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>, + sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>, + sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns. + * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates. + (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP, + MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, + MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros. + +2007-09-03 Jesper Nilsson <jesper.nilsson@axis.com> + Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO): + Defined to describe availability and behavior of CLZ. + * config/cris/cris.md (clzsi2): Implement using lz instruction. + * config/cris/cris.opt: Tweak comment for "-metrax4". + * config/cris/arit.c (LZ): When defined, define as __builtin_clz. + * longlong.h [__CRIS__ && __CRIS_arch_version >= 3] + (count_leading_zeros): Define. + +2007-09-01 Laurynas Biveinis <laurynas.biveinis@gmail.com> + + * ggc-page.c (ggc_pch_read): Call validate_free_objects. + +2007-09-02 Joseph Myers <joseph@codesourcery.com> + + PR c/29237 + PR middle-end/33272 + * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter + decayed from array. + +2007-09-01 Kazu Hirata <kazu@codesourcery.com> + + * config/arm/arm.c, config/rs6000/ppu_intrinsics.h, + config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c, + ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c, + sched-deps.c, sched-int.h, system.h, target.h, + tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c, + tree.def: Fix comment typos. + +2007-09-01 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove. + (override_options): Turn on -mstrict-align on non-ColdFire + targets. + * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment. + +2007-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (const_strip_array_types): Delete. + * c-common.h (const_strip_array_types): Likewise. + * emit-rtl.c (const_next_insn, const_previous_insn, + const_next_nonnote_insn, const_prev_nonnote_insn, + const_next_real_insn, const_prev_real_insn, + const_next_active_insn, const_prev_active_insn, const_next_label, + const_prev_label): Delete. + * gimple-low.c (block_may_fallthru): Use expr_last. + * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn. + * rtl.h (const_previous_insn, const_next_insn, + const_prev_nonnote_insn, const_next_nonnote_insn, + const_prev_real_insn, const_next_real_insn, + const_prev_active_insn, const_next_active_insn, const_prev_label, + const_next_label): Delete. + * rtlanal.c (keep_with_call_p): Use next_nonnote_insn. + * system.h (CONST_CAST): Update comment. + * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt. + (const_first_stmt, const_last_stmt): Delete. + (tree_block_ends_with_condjump_p): Use last_stmt. + * tree-flow.h (const_first_stmt, const_last_stmt): Delete. + * tree-iterator.c (const_expr_first, const_expr_last, + const_expr_only): Delete. + * tree.c (const_lookup_attribute): Likewise. + (attribute_list_contained): Use lookup_attribute. + * tree.h (const_lookup_attribute, const_expr_first, + const_expr_last, const_expr_only): Delete. + +2007-09-01 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE + instead of TREE_THIS_VOLATILE. + * tree-ssa-operands.c (add_virtual_operand): Do not set + has_volatile_ops. Do not check s_ann for NULL. + (get_indirect_ref_operands): Likewise. + (get_expr_operands): Likewise. For all reference trees + set has_volatile_ops based on TREE_THIS_VOLATILE. Also + check base of reference for TREE_THIS_VOLATILE. + +2007-09-01 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (verify_gimple_expr): Fix check for conversions + between integral types. Also allow conversions between + pointer types. + +2007-08-31 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * optabs.c (prepare_float_lib_cmp): Use + libgcc_cmp_return_mode instead of word_mode. + * config/dfp-bit.h: Likewise. + * config/fp-bit.h: Likewise. + * config/spu/spu.c (spu_libgcc_cmp_return_mode): + New function. + (spu_libgcc_shift_count_mode): New function. + (TARGET_LIBGCC_CMP_RETURN_MODE): Define. + (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define. + +2007-08-31 Joseph Myers <joseph@codesourcery.com> + + * tree-pretty-print.c: Include output.h. + (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not + HOST_WIDE_INT_PRINT_DEC. + * Makefile.in (tree-pretty-print.o): Add dependency on output.h. + +2007-08-31 Zdenek Dvorak <ook@ucw.cz> + + PR rtl-optimization/33224 + * loop-iv.c (latch_dominating_def): Check that the definition belongs + to the analysed region. + +2007-08-31 Richard Guenther <rguenther@suse.de> + + * function.c (allocate_struct_function): Do not set + current_function_returns_pointer. + * function.h (struct var_refs_queue): Remove. + (struct simple_obstack_stack): Likewise. + (struct function): Remove fixup_var_refs_queue member. + Remove returns_pointer flag. + (current_function_returns_pointer): Remove define. + +2007-08-31 Nick Clifton <nickc@redhat.com> + + * tree-ssa-coalesce.c (compare_pairs): Use the elements as + secondary keys in order to obtain a stable sort. + +2007-08-31 Nick Clifton <nickc@redhat.com> + + PR target/33132 + * config/m32r/constraints.md: Add W constraint for integer zero. + * config/m32r/m32r.md (get_pc): Use W and i constraints. + Fix length calculation by using alternatives. + +2007-08-31 Richard Sandiford <richard@codesourcery.com> + + * optabs.c (shift_optab_p, commutative_optab_p): New functions, + split out from expand_binop. + (avoid_expensive_constant): New function. + (expand_binop_directly): Remove commutative_op argument and + (expand_binop_directly): Remove commutative_op argument and + call cummutative_optab_p instead. Do not change op0 or op1 + when swapping xop0 and xop1. Apply avoid_expensive_constant + to each argument after potential swapping. Enforce the + canonical order of commutative operands. + (expand_binop): Use shift_optab_p and commutative_optab_p. + Update the calls to expand_binop_directly. Only force constants + into registers when widening an operation. Only swap operands + once a direct expansion has been rejected. + (expand_twoval_binop): Only force constants into registers when + using a direct expansion. + +2007-08-31 Maxim Kuvyrkov <maxim@codesourcery.com> + + * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED. + (sched_analyze_insn): Don't postprocess speculative dependencies when + target has no scheduling. + * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix + 'uninitialized' warning. + +2007-08-31 Richard Guenther <rguenther@suse.de> + + * tree.c (build_complex_type): Always set TYPE_NAME for + comples types. + +2007-08-31 Olivier Hainque <hainque@adacore.com> + + * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New + internal macro. Default alignment factor for csect directives, chosen + to match what BIGGEST_ALIGNMENT allows. + (DATA_SECTION_ASM_OP): Use it. + * config/rs6000/rs6000.c + (rs6000_xcoff_output_readonly_section_asm_op): + Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR. + (rs6000_xcoff_output_readwrite_section_asm_op): Likewise. + +2007-08-31 Olivier Hainque <hainque@adacore.com> + + * dbxout.c (dbxout_block): Move declaration within the first + #if defined (DBX_DEBUGGING_INFO) block. Rearrange another such + block to include the definition, together with the associated + helpers. + +2007-08-31 David Edelsohn <edelsohn@gnu.org> + Revital Eres <eres@il.ibm.com> + + * doc/invoke.texi (-mpaired): Document flag. + * config.gcc: Include paired.h in powerpc extra_headers and + 750cl.h in powerpc-*-linux*paired*. + * config/rs6000/rs6000.opt (-mpaired): New flag. + * config/rs6000/rs6000.c (paired_init_builtins, + paired_expand_builtin, paired_expand_lv_builtin, + paired_expand_stv_builtin, paired_expand_predicate_builtin): + New functions to support the paired single builtin functions. + (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE. + (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired + single builtins. + (bdesc_paired_preds): New structure for paired predicate + instructions. + (rs6000_expand_builtin): Expand paired single builtins. + (rs6000_init_builtins): Init paired single builtins. + (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf. + Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe + and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf. Add new types + v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf. + (rs6000_vector_mode_supported_p): Support paired vector mode. + * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD, + PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT): + New. + (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE. + (DATA_ALIGNMENT): Likewise. + (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE. + (rs6000_builtins): Add PAIRED builtins. + * config/rs6000/rs6000.md: Include paired.md. + * config/rs6000/paired.h: New. + * config/rs6000/paired.md: New. + * config/rs6000/750cl.h: New. + * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl. + +2007-08-30 Ollie Wild <aaw@google.com> + + * c-opts.c (c_common_handle_option): Support -fno-directives-only. + * gcc.c (default_compilers): Add -fno-directives-only to + @assembler-with-cpp. + +2007-08-30 Sandra Loosemore <sandra@codesourcery.com> + + PR middle-end/33211 + + * regclass.c (initial_fixed_regs): Revert previous change and make + it const again. + (initial_call_used_regs): Likewise. + (initial_call_really_used_regs): Delete, reverting previous addition. + (initial_reg_names): Likewise. + (init_reg_sets): Revert previous change. + (saved_fixed_regs): New. + (saved_call_used_regs): New. + (saved_call_really_used_regs): New. + (saved_reg_names): New. + (save_register_info): New. + (restore_register_info): New. + (init_reg_sets_1): Replace reset of register info with call to + restore_register_info. + * rtl.h (save_register_info): Declare. + * toplev.c (backend_init): Call save_register_info. + +2007-08-30 Laurynas Biveinis <laurynas.biveinis@gmail.com> + + * tree-ssa-propagate.c (set_rhs): Remove the copied annotation + from the original statement. + +2007-08-30 Chao-ying Fu <fu@mips.com> + + * c-lex.c (interpret_fixed): Declare. + (interpret_float): Process _Fract and _Accum. + (interpret_fixed): New function. + * final.c (output_addr_const): Process CONST_FIXED. + * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG. + (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT, + SS_DIV, US_DIV. + (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV, + US_DIV, US_ASHIFT. + (simplify_immed_subreg): Support CONST_FIXED. + Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM. + (simplify_subreg): Support CONST_FIXED. + +2007-08-30 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * config/rs6000/ppu_intrinsics.h: New file. + * config.gcc (powerpc*-*-* <extra_headers>): Install + ppu_intrinsics.h. + +2007-08-30 Kenneth Zadeck <zadeck@naturalbridge.com> + + * cfg.c (dump_flow_info): Change to also print entry and exit + block info. + * print-rtl.c (print_rtl_single): Allow to print rtl with + -fdump-unnumbered. + +2007-08-30 Kenneth Zadeck <zadeck@naturalbridge.com> + + * df-core.h (df_dump_region): New function. + * df.h (df_dump_region): New function. + * loop-invariant.c (find_defs): Add call to df_dump_region. + * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to + df_dump_region. + +2007-08-30 Jakub Jelinek <jakub@redhat.com> + + PR target/33168 + * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return + true if any of the compare_section_name calls returned true, + rather than if any returned false. + +2007-08-30 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33199 + * tree-ssa-structalias.c (handle_lhs_call): New function. + (find_func_aliases): In non-IPA mode make sure that for + calls that return a pointer we add a constraint for the + result to point to anything. + +2007-08-30 Richard Guenther <rguenther@suse.de> + + * doc/invoke.texi (-mveclibabi): Document new target option. + * config/i386/i386.opt (-mveclibabi): New target option. + * config/i386/i386.c (ix86_veclib_handler): Handler for + vectorization library support. + (override_options): Handle the -mveclibabi option, initialize + the vectorization library handler. + (ix86_builtin_vectorized_function): As fallback call the + vectorization library handler, if set. + (ix86_veclibabi_acml): New static function for ACML ABI style + vectorization support. + +2007-08-30 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode + used_m, even if it is 32-bit aligned, adjust used_m MEM to have + SImode and update m. Don't run gen_lowpart_common on arbitrary + memory address, force it to register first. + + PR middle-end/32758 + * dce.c (dce_process_block): Don't delete setters of + artificially used registers. + +2007-08-30 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/s390/s390.md ("*add<mode>3_alc_carry1_cc", + "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc", + "*add<mode>3_alc_carry2_cconly"): New insn definitions. + +2007-08-30 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/s390/s390.c (s390_expand_addcc): Emit canonical alc + pattern. + * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc", + "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical. + +2007-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: Activate -Wcast-qual as warning-only. + +2007-08-29 Paolo Bonzini <bonzini@gnu.org> + + PR target/33168 + * config/rs6000/rs6000.c (compare_section_name): New function. + (rs6000_elf_in_small_data_p): Compare section prefixes instead + of full name. + +2007-08-29 Olivier Hainque <hainque@adacore.com> + + * xcoffout.c: #include debug.h. + * Makefile.in (xcoffout.o): Add debug.h dependency. + +2007-08-29 Uros Bizjak <ubizjak@gmail.com> + + * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]: + Change CONST_VECTOR_ELT to XVECEXP in elem calculation. + +2007-08-29 Richard Guenther <rguenther@suse.de> + + * tree-pretty-print.c (dump_generic_node): Print + label DECL_UID as D.%u. + * tree-dfa.c (dump_variable): Print DECL_UID as D.%u. + +2007-08-29 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + * builtin-types.def (BT_FN_PTR_PTR_SIZE): New type. + * builtins.def (BUILT_IN_REALLOC): New builtin. + +2007-08-29 Douglas Gregor <doug.gregor@gmail.com> + + PR c++/33194 + * tree.c (build_type_attribute_qual_variant): Set canonical types + on the final, unqualified attribute variant before building the + qualified version. + +2007-08-29 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument + order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu. + +2007-08-29 Jie Zhang <jie.zhang@analog.com> + + Revert + 2007-08-29 Jie Zhang <jie.zhang@analog.com> + * config/bfin/bfin.md (composev2hi): Put operands into vector + with correct order. + +2007-08-29 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin.md (composev2hi): Put operands into vector + with correct order. + +2007-08-29 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text + attribute when appropriate. + (bfin_handle_l1_text_attribute): New. + (bfin_handle_l1_data_attribute): New. + (bfin_attribute_table): Add attributes: l1_text, l1_data, + l1_data_A and l1_data_B. + * doc/extend.texi (node Function Attributes): Document l1_text + function attribute. + (Variable Attributes): Add Blackfin subsection. Document l1_data, + l1_data_A and l1_data_B variable attributes. + +2007-08-28 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin.opt (minline-plt): Add. + * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit + call to global functions. + * doc/invoke.texi (Option Summary): Mention -minline-plt. + (Blackfin Options): Document -minline-plt. + +2007-08-28 Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never + given a non-function. + (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind. + +2007-08-28 DJ Delorie <dj@redhat.com> + + * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support. + +2007-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (CONST_CAST): Avoid union for gcc-4.0.x. + +2007-08-28 Richard Guenther <rguenther@suse.de> + + * tree.h (struct tree_function_decl): Increase size of + function_code bitfield. + +2007-08-28 Nathan Sidwell <nathan@codesourcery.com> + Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/linux.h + (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0. + * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New. + (m68k_return_in_memory): New. + * config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT): + New. + +2007-08-28 Uros Bizjak <ubizjak@gmail.com> + + PR target/32661 + * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]: + Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as + operand) when top VEC_SELECT extracts scalar element. + * config/i386/sse.md (*vec_extract_v4si_mem): New pattern. + (*vec_extract_v4sf_mem): Ditto. + +2007-08-28 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/32370 + * passes.c (init_optimization_passes): Move pass_df_finish + after pass_postreload sublist. + + PR rtl-optimization/33148 + * simplify-rtx.c (simplify_unary_operation_1): Only optimize + (neg (lt X 0)) if X has scalar int mode. + + PR debug/32914 + * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR + initializer, use build_vector_from_ctor if possible to create + VECTOR_CST out of it. If vector initializer is not VECTOR_CST + even after this, return NULL. + +2007-08-28 Gabriel Dos Reis <gdr@integrable-solutions.net> + + * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST. + +2007-08-28 Richard Guenther <rguenther@suse.de> + + * tree.h (DECL_DISREGARD_INLINE_LIMITS): New. + (struct tree_function_decl): Make function_code a bitfield. + Add disregard_inline_limits flag. + * cgraphunit.c (cgraph_process_new_functions): Check + DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p. + (cgraph_preserve_function_body_p): Likewise. + * ipa-inline.c (compute_inline_parameters): Likewise. + * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS + for GNU C extern inline functions. + (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS. + * tree-inline.c (disregard_inline_limits_p): Remove. + * tree-inline.h (disregard_inline_limits_p): Likewise. + * c-common.c (handle_always_inline_attribute): Set + DECL_DISREGARD_INLINE_LIMITS. + * langhooks.c (add_builtin_function): Verify the function code + fits in the bitfield. + +2007-08-28 Mircea Namolaru <namolaru@il.ibm.com> + Vladimir Yanovsky <yanov@il.ibm.com> + Revital Eres <eres@il.ibm.com> + Andrey Belevantsev <abel@ispras.ru> + + * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched + is set. + * modulo-sched.c: Add documentation regarding do-loop. + (doloop_register_get): Change number of arguments to support + the new do-loop pattern and check whether COUNT_REG has no other + occurences in the loop besides in the control part. + (duplicate_insns_of_cycles): Do not duplicate the insn which + changes count_reg as it is already adjusted. + (generate_prolog_epilog): New argument to support the new + do-loop pattern. Change the subtract instruction to use + expand_simple_binop. Call duplicate_insns_of_cycles with new + argument. + (sms_schedule): Call doloop_register_get and + generate_prolog_epilog with new argument. Do not handle loops + with single sets insns with subreg in their lhs. + * loop-doloop.c (doloop_optimize): Support for another do-loop + pattern. + (doloop_condition_get): Gets an instruction instead of a pattern + and change the return condition when the do-loop pattern is + not parallel. + * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg + deps when considering to not create edges. + +2007-08-27 Alexandre Oliva <aoliva@redhat.com> + + * doc/extend.texi (gnu_inline funtion attribute): Document C++ + behavior. + +2007-08-27 Jason Merrill <jason@redhat.com> + + PR c++/31337 + * gimplify.c (gimplify_modify_expr): Discard the assignment of + zero-sized types after calling gimplify_modify_expr_rhs. + +2007-08-27 Sandra Loosemore <sandra@codesourcery.com> + + * regclass.c (init_reg_autoinc): Fix typo. + +2007-08-27 Daniel Berlin <dberlin@dberlin.org> + + Fix PR tree-optimization/33173 + * tree-ssa-alias.c (find_used_portions): Fix reversed test. + +2007-08-27 H.J. Lu <hongjiu.lu@intel.com> + + PR target/31385 + * config/i386/i386.h (VALID_DFP_MODE_P): New. + * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in + GPR. + +2007-08-27 Sandra Loosemore <sandra@codesourcery.com> + David Ung <davidu@mips.com> + Nigel Stephens <nigel@mips.com> + + Separate target-specific initialization from general + back-end initialization. + + * toplev.c (init_alignments): New, split out from... + (process_options): ...here. + (backend_init_target): New, split out from... + (backend_init): ...here. + (lang_dependent_init_target): New, split out from... + (lang_dependent_init): ...here. + (target_reinit): New. + * toplev.h (target_reinit): Declare. + * expr.c (init_expr_target): Renamed from init_expr_once, since it + now can be called more than once. Update comments. + * expr.h (init_expr_target): Likewise. + * alias.c (init_alias_target): Renamed from init_alias_once, since it + now can be called more than once. Explicitly zero + static_reg_base_value. + * emit-rtl.c (init_emit_regs): New, split out from... + (init_emit_once): Here. + * regclass.c (initial_fixed_regs, initial_call_used_regs): Make + non-const, so that changes from command-line arguments can overwrite + values provided by the static initializers. + (initial_call_really_used_regs): New, used similarly to the above. + (initial_reg_names): Likewise. + (last_mode_for_init_move_cost): Promoted function-local static to + file-scope static to make it accessible outside init_move_cost. + (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet. + Do not initialize inv_reg_alloc_order yet, either. Do initialize + reg_names since it is needed for parsing command-line options. + (init_move_cost): Use last_mode_for_init_move_cost instead of + function-local static. + (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and + call_really_used_regs now. Reinitialize reg_names. Also + initialize inv_reg_alloc_order. Zero reg_class_subunion and + reg_class_superunion. Clear losing_caller_save_reg_set. + Preserve global registers if called more than once. Reset + move cost, may_move_in_cost, may_move_out_cost, and + last_mode_for_init_move_cost. + (init_reg_modes_target): Renamed from init_reg_modes_once, since it + can now be invoked more than once. Update comments. + (init_regs): Update comments. + (fix_register): Update initial_fixed_regs, initial_call_used_regs, + and initial_call_really_used_regs, instead of the non-initial + variables. This allows us to save the command-line register settings + after target reinitialization. + (init_reg_autoinc): Zero forbidden_inc_dec_classes. + * rtl.h (init_emit_regs): Declare. + (init_reg_modes_target, init_alias_target): Renamed as described + above. + * reload1.c (init_reload): Update comments. + * optabs.c (init_optabs): Likewise. + * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs. + +2007-08-26 Chao-ying Fu <fu@mips.com> + + * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of + __typeof(). + +2007-08-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alias.c (memory_modified_1, memory_modified_in_insn_p): + Constify. + * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p): + Likewise. + * bb-reorder.c (copy_bb_p): Likewise. + * cfghooks.c (can_remove_branch_p, can_merge_blocks_p, + predicted_by_p, can_duplicate_block_p, block_ends_with_call_p, + block_ends_with_condjump_p): Likewise. + * cfghooks.h (can_remove_branch_p, can_merge_blocks_p, + predicted_by_p, can_duplicate_block_p, block_ends_with_call_p, + block_ends_with_condjump_p): Likewise. + * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise. + * cfgrtl.c (can_delete_note_p, can_delete_label_p, + rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p, + rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p, + need_fake_edge_p, rtl_can_remove_branch_p): Likewise. + * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use + debug_true_const_tree instad of debug_true_tree. + * debug.c (do_nothing_debug_hooks): Likewise. + * debug.h (ignore_block, debug_true_const_tree): Constify. + * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save, + dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type, + decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc, + same_dw_val_p, add_ranges, is_subrange_type, type_is_enum, + dbx_reg_number, is_based_loc, field_type, + simple_type_align_in_bits, simple_decl_align_in_bits, + simple_type_size_in_bits, field_byte_offset, insert_float, + type_tag, member_declared_type, is_redundant_typedef, + secname_for_decl, is_inlined_entry_point): Likewise. + * emit-rtl.c (const_next_insn, const_previous_insn, + const_next_nonnote_insn, const_prev_nonnote_insn, + const_next_real_insn, const_prev_real_insn, + const_next_active_insn, const_prev_active_insn, const_next_label, + const_prev_label): Likewise. + * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region): + Likewise. + * haifa-sched.c (may_trap_exp, haifa_classify_insn, + find_set_reg_weight, no_real_insns_p, find_set_reg_weight, + sched_insn_is_legitimate_for_speculation_p): Likewise. + * jump.c (reversed_comparison_code_parts, + reversed_comparison_code, reversed_comparison, condjump_label): + Likewise. + * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise. + * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned): + Likewise. + * rtl.h (const_previous_insn, const_next_insn, + const_prev_nonnote_insn, const_next_nonnote_insn, + const_prev_real_insn, const_next_real_insn, + const_prev_active_insn, const_next_active_insn, const_prev_label, + const_next_label, modified_between_p, modified_in_p, + const_note_storeskeep_with_call_p, condjump_label, + reversed_comparison, reversed_comparison_code, + reversed_comparison_code_parts, memory_modified_in_insn_p, + stack_regs_mentioned): Likewise. + * rtlanal.c (modified_between_p, modified_in_p, const_note_stores, + keep_with_call_p): Likewise. + * sched-deps.c (deps_may_trap_p, sched_get_condition, + conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list, + sd_lists_size, sd_lists_empty_p): Likewise. + * sched-int.h (sched_insns_conditions_mutex_p, + haifa_classify_insn, no_real_insns_p, + sched_insn_is_legitimate_for_speculation_p, sd_next_list, + sd_lists_size, sd_lists_empty_p): Likewise. + * sdbout.c (sdb_debug_hooks): Likewise. + * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt, + stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p, + -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p): + Likewise. + * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region, + tree_can_throw_internal): Likewise. + * tree-flow-inline.h (phi_nodes): Likewise. + * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt, + tree_can_throw_internal, lookup_stmt_eh_region): Likewise. + * tree-gimple.c (const_get_call_expr_in): Likewise. + * tree-gimple.h (const_get_call_expr_in): Likewise. + * tree.c (const_lookup_attribute, attribute_list_equal, + attribute_list_contained): Likewise. + * tree.h (attribute_list_equal, attribute_list_contained, + const_lookup_attribute): Likewise. + * vmsdbgout.c (vmsdbgout_ignore_block): Likewise. + +2007-08-26 Bernhard Fischer <aldot@gcc.gnu.org> + + * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c, + tree-ssa-pre.c: Remove unnecessary trailing whitespace. + +2007-08-26 H.J. Lu <hongjiu.lu@intel.com> + + PR target/32991 + * config/alpha/constraints.md: Delete "svn:mime-type" property + with svn propdel "svn:mime-type". + +2007-08-26 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/33181 + * ifcvt.c (noce_get_alt_condition): Make sure that the previous + non NOTE insn doesn't cross basic block. + (noce_try_abs): Likewise. + (noce_process_if_block): Likewise. + +2007-08-26 David Edelsohn <edelsohn@gnu.org> + + PR target/33151 + * config/rs6000/predicates.md (offsettable_mem_operand): Memory + operand without auto-inc-dec. + * config/rs6000/rs6000.md (floatsidf2_internal): Use + offsettable_mem_operand. + (floatunssidf2_internal): Same. + (fix_truncdfsi2_internal): Same. + (floatsidf_ppc64): Same. + (floatunssidf_ppc64): Same. + (fix_trunctfsi2_internal): Same. + +2007-08-26 Bernhard Fischer <aldot@gcc.gnu.org> + + PR bootstrap/30620 + * Makefile.in (libbackend.o): Add gcov-iov.h dependency and + pass defines needed for version.c. + +2007-08-25 Joseph Myers <joseph@codesourcery.com> + + * configure.ac (--debug-prefix-map check): Change assembler + version presumed to have feature to 2.18. + * configure: Regenerate. + +2007-08-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (vector_types_convertible_p, + decl_with_nonnull_addr_p, c_promoting_integer_type_p, + self_promoting_args_p): Constify. + * c-common.h (has_c_linkage, decl_with_nonnull_addr_p, + c_promoting_integer_type_p, self_promoting_args_p, + anon_aggr_type_p, vector_types_convertible_p): Likewise. + * c-decl.c (anon_aggr_type_p): Likewise. + * * c-dump.c (dump_stmt): Likewise. + * c-objc-common.c (has_c_linkage): Likewise. + * c-tree.h (same_translation_unit_p): Likewise. + * c-typeck.c (null_pointer_constant_p, + tagged_types_tu_compatible_p, function_types_compatible_p, + type_lists_compatible_p, lvalue_or_else, lvalue_p, + comptypes_internal, struct tagged_tu_seen_cache, + same_translation_unit_p, alloc_tagged_tu_seen_cache, + c_size_in_bytes): Likewise. + * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor, + hash_ptr, eq_ptr): Likewise. + * langhooks-def.h (lhd_decl_ok_for_sibcall, + LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise. + * langhooks.c (lhd_decl_ok_for_sibcall): Likewise. + * langhooks.h (ok_for_sibcall, omp_privatize_by_reference): + Likewise. + * optabs.c (optab_for_tree_code): Likewise. + * optabs.h (optab_for_tree_code): Likewise. + * rtl.h (simplify_rtx): Likewise. + * simplify-rtx.c (simplify_rtx): Likewise. + * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type, + dump_flag, dump_node): Likewise. + * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index, + queue_and_dump_type, dump_flag): Likewise. + * tree-flow.h (vect_can_force_dr_alignment_p): Likewise. + * tree-pass.h (dump_node): Likewise. + * tree-vectorizer.c (vect_can_force_dr_alignment_p, + supportable_narrowing_operation): Likewise. + * tree-vectorizer.h (vect_can_force_dr_alignment_p, + supportable_narrowing_operation): Likewise. + * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity, + is_negative_overflow_infinity, is_positive_overflow_infinity, + is_overflow_infinity, vrp_val_is_max, vrp_val_is_min, + nonnull_arg_p, get_value_range, vrp_operand_equal_p, + update_value_range, add_equivalence, ssa_name_nonnegative_p, + ssa_name_nonzero_p, fp_predicate): Likewise. + * tree.c (auto_var_in_fn_p, empty_body_p): Likewise. + * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p, + ssa_name_nonnegative_p): Likewise. + +2007-08-25 Hans Kester <hans.kester@ellips.nl> + + * config.gcc : Add x86_64-elf target. + +2007-08-25 Jakub Jelinek <jakub@redhat.com> + + * expr.c (store_expr): Fix order of store_by_pieces arguments. + +2007-08-24 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + PR target/11787 + + * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros. + (STORE_BY_PIECES_P): No longer applies to __builtin_memset. + * expr.c (SET_BY_PIECES_P): Define. + (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use + it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P. + (store_expr): Pass MEMSETP argument to can_store_by_pieces and + store_by_pieces. + * expr.h (SET_RATIO): Define. + (can_store_by_pieces, store_by_pieces): Update prototypes. + * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to + can_store_by_pieces/store_by_pieces. + (expand_builtin_memcpy_args): Likewise. + (expand_builtin_strncpy): Likewise. + (expand_builtin_memset_args): Likewise. Also remove special case + for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can + decide what to do instead. + * value-prof.c (tree_stringops_transform): Pass MEMSETP argument + to can_store_by_pieces. + + * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P. + * config/s390/s390.h (SET_BY_PIECES_P): Likewise. + + * config/mips/mips.opt (mmemcpy): Change from Var to Mask. + * config/mips/mips.c (override_options): Make -Os default to -mmemcpy. + * config/mips/mips.h (MIPS_CALL_RATIO): Define. + (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define. + (STORE_BY_PIECES_P): Define. + +2007-08-24 Tom Tromey <tromey@redhat.com> + + * varpool.c (varpool_last_needed_node): Fix comment typo. + * c-decl.c (duplicate_decls): Fix comment typo. + (clone_underlying_type): Update comment. + +2007-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp, + alpha_in_small_data_p, alpha_split_complex_arg, + alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK): + Constify. + * config/arm/arm-protos.h (arm_mangle_type): Likewise. + * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type): + Likewise. + * config/bfin/bfin.c (funkind, bfin_comp_type_attributes, + TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise. + * config/darwin-protos.h (darwin_binds_local_p): Likewise. + * config/darwin.c (darwin_binds_local_p): Likewise. + * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p): + Likewise. + * config/i386/i386-protos.h (i386_pe_binds_local_p, + i386_pe_valid_dllimport_attribute_p): Likewise. + * config/i386/i386.c (ix86_function_regparm, + ix86_comp_type_attributes, ix86_ms_bitfield_layout_p, + x86_can_output_mi_thunk, ix86_mangle_type, + TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise. + * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p, + i386_pe_binds_local_p): Likewise. + * config/ia64/ia64.c + (ia64_first_cycle_multipass_dfa_lookahead_guard_spec, + ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type, + ia64_invalid_conversion, ia64_invalid_unary_op, + ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK): + Likewise. + * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise. + * config/m32r/m32r.c (m32r_in_small_data_p): Likewise. + * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise. + * config/mips/mips.c (mips_use_blocks_for_constant_p, + mips_in_small_data_p, mips_use_anchors_for_symbol_p, + mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK, + mips_near_type_p, mips_far_type_p, mips_global_symbol_p, + mips_symbol_binds_local_p, mips_classify_symbol): Likewise. + * config/pa/pa.c (pa_commutative_p): Likewise. + * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p): + Likewise. + * config/rs6000/rs6000.c (rs6000_invalid_within_doloop, + rs6000_ms_bitfield_layout_p, rs6000_mangle_type, + rs6000_use_blocks_for_constant_p, + rs6000_vector_alignment_reachable, rs6000_is_opaque_type, + invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK, + TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise. + * config/s390/s390.c (s390_mangle_type, + TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP): + Likewise. + * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK, + th_in_small_data_p): Likewise. + * config/sh/sh.c (sh_ms_bitfield_layout_p, + sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK): + Likewise. + * config/sparc/sparc.c (sparc_can_output_mi_thunk, + sparc_mangle_type): Likewise. + * config/spu/spu.c (spu_vector_alignment_reachable): Likewise. + * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise. + * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq): + Likewise. + * hooks.c (hook_bool_mode_const_rtx_false, + hook_bool_mode_const_rtx_true, + hook_bool_const_tree_hwi_hwi_const_tree_false, + hook_bool_const_tree_hwi_hwi_const_tree_true, + hook_int_const_tree_0, hook_int_const_tree_const_tree_1, + hook_constcharptr_const_tree_null, + hook_constcharptr_const_rtx_null, + hook_constcharptr_const_tree_const_tree_null, + hook_constcharptr_int_const_tree_null, + hook_constcharptr_int_const_tree_const_tree_null): New. + (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true, + hook_bool_tree_hwi_hwi_tree_false, + hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0, + hook_int_tree_tree_1, hook_constcharptr_tree_null, + hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null, + hook_constcharptr_int_tree_null, + hook_constcharptr_int_tree_tree_null): Delete. + (default_can_output_mi_thunk_no_vcall): Constify. + * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true, + hook_bool_tree_hwi_hwi_tree_false, + hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0, + hook_int_tree_tree_1, hook_constcharptr_tree_null, + hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null, + hook_constcharptr_int_tree_null, + hook_constcharptr_int_tree_tree_null): Delete. + (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true, + hook_bool_const_tree_hwi_hwi_const_tree_false, + hook_bool_const_tree_hwi_hwi_const_tree_true, + hook_int_const_tree_0, hook_int_const_tree_const_tree_1, + hook_constcharptr_const_tree_null, + hook_constcharptr_const_rtx_null, + hook_constcharptr_const_tree_const_tree_null, + hook_constcharptr_int_const_tree_null, + hook_constcharptr_int_const_tree_const_tree_null): New. + (default_can_output_mi_thunk_no_vcall): Constify. + * integrate.c (function_attribute_inlinable_p): Likewise. + * integrate.h (function_attribute_inlinable_p): Likewise. + * jump.c (rtx_renumbered_equal_p): Likewise. + * output.h (decl_readonly_section, categorize_decl_for_section, + default_use_anchors_for_symbol_p, default_binds_local_p, + default_binds_local_p_1): Likewise. + * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model): + Likewise. + * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK, + TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P, + TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P, + TARGET_COMP_TYPE_ATTRIBUTES, + TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P, + TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE, + TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION, + TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP, + TARGET_DWARF_CALLING_CONVENTION): Likewise. + * target.h (can_output_mi_thunk, needs_block_p, + first_cycle_multipass_dfa_lookahead_guard_spec, + vector_alignment_reachable, comp_type_attributes, + function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type, + commutative_p, use_blocks_for_constant_p, + use_anchors_for_symbol_p, in_small_data_p, binds_local_p, + vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook, + invalid_within_doloop, valid_dllimport_attribute_p, + split_complex_arg, invalid_arg_for_unprototyped_fn, + invalid_conversion, invalid_unary_op, invalid_binary_op): + Likewise. + * targhooks.c (default_invalid_within_doloop, + hook_invalid_arg_for_unprototyped_fn, + default_builtin_vector_alignment_reachable): Likewise. + (hook_bool_rtx_commutative_p): Delete. + (hook_bool_const_rtx_commutative_p): New. + * targhooks.h (default_invalid_within_doloop, + default_builtin_vector_alignment_reachable, + hook_invalid_arg_for_unprototyped_fn): Constify. + (hook_bool_rtx_commutative_p): Delete. + (hook_bool_const_rtx_commutative_p): New. + * varasm.c (bss_initializer_p, decl_default_tls_model, + categorize_decl_for_section, decl_readonly_section, + default_use_anchors_for_symbol_p, default_binds_local_p, + default_binds_local_p_1): Constify. + +2007-08-24 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define + __NO_BUILTIN if -fno-builtin. + +2007-08-24 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin.c (print_operand): Report error instead of + ICE for wrong operand. + +2007-08-24 Michael Matz <matz@suse.de> + + * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst). + +2007-08-24 Richard Guenther <rguenther@suse.de> + + PR middle-end/33166 + * tree-ssa.c (useless_type_conversion_p): Split into a + recursive and a non-recursive part. + (useless_type_conversion_p_1): New function. + * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result + from maybe_fold_offset_to_reference is trivially convertible + to the desired type before doing the simplification. + +2007-08-24 Jakub Jelinek <jakub@redhat.com> + + * expr.c (store_expr): Optimize initialization of an array + with STRING_CST. + * expr.h (builtin_strncpy_read_str): New prototype. + * builtins.c (builtin_strncpy_read_str): Remove prototype. + No longer static. + +2007-08-24 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/33157 + * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest + field when initializing if_info structure. + +2007-08-24 Richard Guenther <rguenther@suse.de> + + * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H) + dependencies. + * c-objc-common.c (c_cannot_inline_tree_fn): Remove. + * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise. + * tree-inline.c (inlinable_function_p): Fold in common parts of + the cannot_inline_tree_fn langhook. + * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove. + (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise. + (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for + cannot_inline_tree_fn langhook. + * langhooks.h (struct lang_hooks_for_tree_inlining): Remove + cannot_inline_tree_fn member. + +2007-08-24 Richard Guenther <rguenther@suse.de> + + * expr.c (get_inner_reference): Do computation of bitoffset + from offset in a way we can detect overflow reliably. + +2007-08-24 Jie Zhang <jie.zhang@analog.com> + + * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc. + +2007-08-24 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin.opt (mfast-fp): Add. + * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let + libbffastfp override libgcc if -mfast-fp. + * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise. + * doc/invoke.texi (Option Summary): Mention -mfast-fp. + (Blackfin Options): Document -mfast-fp. + +2007-08-24 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/32573 + PR middle-end/32946 + * tree-data-ref.c (initialize_data_dependence_relation): Clear + DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning. + (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it. + (build_classic_dist_vector): Return false rather than true if + DDR_ARE_DEPENDENT is non-NULL at the beginning. Return false + if either subscript_dependence_tester_1 or build_classic_dist_vector_1 + returned false. Don't call save_dist_v before calling + build_classic_dist_vector_1. + (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS + with NULL DDR_ARE_DEPENDENT. Also free DDR_DIST_VECTS and/or + DDR_DIR_VECTS vectors. + +2007-08-23 Brian Sidebotham <brian.sidebotham@gmail.com> + + * configure.ac (leb128): Modify sed statement to work with any + binutils version string. + * configure: Regenerate + +2007-08-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg): + Wrap in RTX_CODE macro guard. + * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p, + arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport, + arm_mark_dllimport, arm_pe_encode_section_info, + arm_pe_unique_section): Use ISO-C function declarations. + * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION, + c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE, + c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored): + Likewise. + * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning. + * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before + defining. + * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format + warnings. + * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise. + * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise. + (register_move_cost): Use ISO-C function declarations. + * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings. + * config/score/score-protos.h (score_declare_object): Add + ATTRIBUTE_PRINTF_4. + * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format + warnings. + * final.c (profile_function): Avoid empty if-bodies. + + + * calls.c (must_pass_in_stack_var_size, + must_pass_in_stack_var_size_or_pad): Constify. + * config/alpha/alpha-protos.h (function_value): Likewise. + * config/alpha/alpha.c (alpha_return_in_memory, + alpha_pass_by_reference, function_value, + unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES): + Likewise. + * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference, + TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN, + TARGET_PROMOTE_PROTOTYPES): Likewise. + * config/arm/arm-protos.h (arm_return_in_memory, + arm_pad_arg_upward, arm_function_value): Likewise. + * config/arm/arm.c (arm_pass_by_reference, + arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack, + TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN, + arm_function_value, arm_return_in_memory, arm_pad_arg_upward): + Likewise. + * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise. + * config/avr/avr-protos.h (avr_function_value): Likewise. + * config/avr/avr.c (avr_return_in_memory, + gas_output_limited_string, gas_output_ascii, avr_function_value, + avr_return_in_memory): Likewise. + * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise. + * config/bfin/bfin.c (bfin_pass_by_reference, + bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES, + TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): + Likewise. + * config/cris/cris.c (cris_pass_by_reference, + TARGET_PROMOTE_FUNCTION_ARGS): Likewise. + * config/crx/crx.c (crx_return_in_memory): Likewise. + * config/darwin.c (function_base, machopic_function_base_name): + Likewise. + * config/fr30/fr30.c (fr30_must_pass_in_stack, + TARGET_PROMOTE_PROTOTYPES): Likewise. + * config/frv/frv.c (frv_must_pass_in_stack): Likewise. + * config/h8300/h8300.c (h8300_return_in_memory): Likewise. + * config/i386/i386-protos.h (ix86_return_in_memory, + ix86_sol10_return_in_memory): Likewise. + * config/i386/i386.c (ix86_function_value, + ix86_function_sseregparm, ix86_must_pass_in_stack, + type_natural_mode, classify_argument, examine_argument, + construct_container, ix86_pass_by_reference, function_value_32, + function_value_64, ix86_function_value_1, return_in_memory_32, + return_in_memory_64, return_in_memory_ms_64, + ix86_return_in_memory, ix86_sol10_return_in_memory, + TARGET_PROMOTE_PROTOTYPES): Likewise. + * config/ia64/ia64-protos.h (ia64_function_value, + ia64_hpux_function_arg_padding): Likewise. + * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory, + ia64_function_value, bundle_state_hash, bundle_state_eq_p, + ia64_hpux_function_arg_padding): Likewise. + * config/iq2000/iq2000-protos.h (function_arg, + iq2000_function_value): Likewise. + * config/iq2000/iq2000.c (iq2000_return_in_memory, + iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES, + function_arg, iq2000_function_value): Likewise. + * config/m32c/m32c-protos.h (m32c_function_value, + m32c_promote_function_return): Likewise. + * config/m32c/m32c.c (m32c_pass_by_reference, + m32c_promote_prototypes, m32c_promote_function_return, + m32c_function_value): Likewise. + * config/m32r/m32r.c (m32r_return_in_memory, + m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES, + m32r_in_small_data_p): Likewise. + * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding): + Likewise. + * config/m68hc11/m68hc11.c (m68hc11_return_in_memory, + m68hc11_function_arg_padding): Likewise. + * config/m68k/m68k-protos.h (m68k_function_value): Likewise. + * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES, + m68k_function_value): Likewise. + * config/mcore/mcore-protos.h (mcore_num_arg_regs, + mcore_function_value): Likewise. + * config/mcore/mcore.c (handle_structs_in_regs, + mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES, + mcore_num_arg_regs, mcore_function_value): Likewise. + * config/mips/mips-protos.h (mips_pad_arg_upward, + mips_function_value): Likewise. + * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb, + mips_return_in_memory, mips_pass_by_reference, mips_callee_copies, + TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN, + TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward, + mips_function_value): Likewise. + * config/mmix/mmix-protos.h (mmix_function_outgoing_value): + Likewise. + * config/mmix/mmix.c (mmix_pass_by_reference, + TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value, + mmix_encode_section_info): Likewise. + * config/mn10300/mn10300-protos.h (mn10300_function_value): + Likewise. + * config/mn10300/mn10300.c (mn10300_return_in_memory, + mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES, + mn10300_function_value): Likewise. + * config/mt/mt-protos.h (mt_function_value): Likewise. + * config/mt/mt.c (mt_pass_by_reference, mt_function_value, + mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise. + * config/pa/pa-protos.h (function_arg_padding, function_value, + pa_return_in_memory): Likewise. + * config/pa/pa.c (pa_pass_by_reference, + TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES, + function_arg_padding, function_value, pa_return_in_memory): + Likewise. + * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise. + * config/rs6000/rs6000-protos.h (rs6000_function_value, + function_arg_padding): Likewise. + * config/rs6000/rs6000.c (rs6000_return_in_memory, + rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg, + rs6000_pass_by_reference, rs6000_must_pass_in_stack, + TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN, + function_arg_padding, altivec_expand_dst_builtin, + altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins, + altivec_init_builtins, rs6000_common_init_builtins, + rs6000_function_value): Likewise. + * s390/s390-protos.h (s390_function_value): Likewise. + * config/s390/s390.c (s390_function_arg_size, + s390_pass_by_reference, s390_return_in_memory, + s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN): Likewise. + * config/score/score-protos.h (score_function_value): Likewise. + * config/score/score.c (score_arg_partial_bytes, + TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN, + TARGET_PROMOTE_PROTOTYPES, score_return_in_memory, + score_pass_by_reference, score_add_offset, score_function_value): + Likewise. + * config/sh/sh-protos.h (sh_attr_renesas_p, + sh_promote_prototypes): Likewise. + * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference, + sh_callee_copies, sh_promote_prototypes, shcompact_byref, + sh_attr_renesas_p): Likewise. + * config/sparc/sparc-protos.h (function_value, + function_arg_padding): Likewise. + * config/sparc/sparc.c (sparc_promote_prototypes, + sparc_return_in_memory, sparc_pass_by_reference, + TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN, + function_arg_record_value_2, function_arg_record_value_1, + function_arg_record_value, function_arg_record_value, + function_arg_padding, function_value): Likewise. + * config/spu/spu-protos.h (spu_function_value): Likewise. + * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory, + spu_function_value): Likewise. + * config/stormy16/stormy16-protos.h (xstormy16_function_value): + Likewise. + * config/stormy16/stormy16.c (xstormy16_return_in_memory, + xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES): + Likewise. + * config/v850/v850.c (v850_return_in_memory, + v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise. + * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise. + * config/xtensa/xtensa.c (xtensa_return_in_msb, + xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES): + Likewise. + * explow.c (promote_mode, hard_function_value): Likewise. + * expr.h (hard_function_value, promote_mode): Likewise. + * function.c (aggregate_value_p): Likewise. + * hooks.c (hook_bool_const_tree_true): New. + * hooks.h (hook_bool_const_tree_true): New. + * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify. + * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES, + TARGET_RETURN_IN_MSB): Likewise. + * target.h (promote_function_args, promote_function_return, + promote_prototypes, return_in_memory, return_in_msb, + pass_by_reference, must_pass_in_stack, callee_copies, + function_value): Likewise. + * targhooks.c (default_return_in_memory, + hook_pass_by_reference_must_pass_in_stack, + hook_callee_copies_named, + hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false, + hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true, + default_function_value): Likewise. + * targhooks.h (default_return_in_memory, + hook_pass_by_reference_must_pass_in_stack, + hook_callee_copies_named, + hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false, + hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true, + default_function_value): Likewise. + * tree-ssa-structalias.c (const_equiv_class_label_t): New. + (equiv_class_label_hash, equiv_class_label_eq): Constify. + * tree-vectorizer.c (bb_in_loop_p): Likewise. + * tree.c (needs_to_live_in_memory): Likewise. + * tree.h (struct tree_type, needs_to_live_in_memory, + aggregate_value_p, must_pass_in_stack_var_size, + must_pass_in_stack_var_size_or_pad): Likewise. + * vmsdbgout.c (write_debug_addr, write_debug_delta4, + write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg, + lookup_filename): Likewise. + +2007-08-23 Uros Bizjak <ubizjak@gmail.com> + + PR target/17390 + * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to + fake fcomi i387 instruction for !TARGET_CMOVE. + (ix86_expand_branch): Expand natural sequence with one jump for + all targets, not only TARGET_CMOVE. + * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split + pattern to implement fake fcomi sequence. Split instruction after + reload to correct compare sequences. + (*cmpfp_xf_cc): Ditto. + (*cmpfp_<mode>_cc): Ditto. + (*cmpfp_u_cc): Ditto. + (*cmpfp_<mode>_cc): Ditto. + +2007-08-23 Richard Guenther <rguenther@suse.de> + + * tree-pretty-print.c (dump_generic_node): Annotate + GIMPLE_MODIFY_STMTs with volatile ops with "{v}". + +2007-08-23 Richard Guenther <rguenther@suse.de> + + * builtins.c (expand_builtin_mathfn): Wrap argument in + save_expr directly instead of re-building the call. + (expand_builtin_mathfn_2): Likewise. + (expand_builtin_mathfn_3): Likewise. + (expand_builtin_interclass_mathfn): Likewise. + (expand_builtin_int_roundingfn): Set arg. + (expand_builtin_int_roundingfn_2): Likewise. + +2007-08-23 Paolo Bonzini <bonzini@gnu.org> + + * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3, + *sse_nand<mode>3, *sse_xor<mode>3): New. + +2007-08-23 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code. + * config/i386/i386.c (print_operand): Handle ';' code. Output + semicolon for TARGET_MACHO. + * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to + emit semicolon after 'lock' prefix. + (sync_double_compare_and_swap<mode>): Ditto. + (*sync_double_compare_and_swapdi_pic): Ditto. + (*sync_compare_and_swap_cc<mode>): Ditto. + (sync_double_compare_and_swap_cc<mode>): Ditto. + (*sync_double_compare_and_swap_ccdi_pic): Ditto. + (sync_old_add<mode>): Ditto. + (sync_add<mode>): Ditto. + (sync_sub<mode>): Ditto. + (sync_ior<mode>): Ditto. + (sync_and<mode>): Ditto. + (sync_xor<mode>): Ditto. + +2007-08-22 Chao-ying Fu <fu@mips.com> + + * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes + in DEF_RTL_EXPR. + (copy_rtx): Handle CONST_FIXED. + (rtx_equal_p): Likewise. + * rtl.h (fixed_value.h): New include. + (rtx_def): Add a new field of fixed_value to u. + (XCNMPFV): Define for accessing fixed_value. + (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW): + Define. + * rtl.def (CONST_FIXED): New constant. + (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT, + UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG, + US_ASHIFT): New codes. + * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult, + us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract, + unsigned_fract_convert, unsigned_sat_fract): Document them. + * varasm.c (assemble_integer): Extend to support fixed-point constants + by using different machine classes. + (decode_addr_const): Handle FIXED_CST. + (const_hash_1): Likewise. + (compare_constant): Likewise. + (copy_constant): Likewise. + (const_rtx_hash_1): Handle CONST_FIXED. + (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, + MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, + MODE_VECTOR_UACCUM. + (initializer_constant_valid_p): Handle FIXED_CST. + (output_constant): Support FIXED_POINT_TYPE. + * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude. + * cse.c (hash_rtx): Support CONST_FIXED. + (exp_equiv_p): Likewise. + (cannon_reg): Likewise. + (fold_rtx): Likewise. + (equiv_constant): Likewise. + (cse_process_notes_1): Likewise. + (count_reg_usage): Likewise. + * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED. + (rtx_equal_for_cselib_p): Handle CONST_FIXED. + (wrap_constant): Check CONST_FIXED. + (cselib_hash_rtx): Support CONST_FIXED. + (cselib_subst_to_values): Likewise. + * df-scan.c (df_uses_record): Likewise. + * gcse.c (want_to_gcse_p): Likewise. + (oprs_unchanged_p): Likewise. + (oprs_not_set_p): Likewise. + (compute_transp): Likewise. + (extract_mentioned_regs_helper): Likewise. + * genemit.c (gen_exp): Likewise. + * local-alloc.c (equiv_init_varies_p): Likewise. + (contains_replace_regs): Likewise. + (memref_referenced_p): Likewise. + * loop-invariant.c (check_maybe_invariant): Likewise. + (hash_invariant_expr_1): Likewise. + (invariant_expr_equal_p): Likewise. + * postreload-gcse.c (oprs_unchanged_p): Likewise. + * regclass.c (reg_scan_mark_refs): Likewise. + * regrename.c (scan_rtx): Likewise. + * resource.c (mark_referenced_resources): Likewise. + (mark_set_resources): Likewise. + * rtlanal.c (rtx_unstable_p): Likewise. + (rtx_varies_p): Likewise. + (count_occurrences): Likewise. + (reg_mentioned_p): Likewise. + (modified_between_p): Likewise. + (modified_in_p): Likewise. + (volatile_insn_p): Likewise. + (volatile_refs_p): Likewise. + (side_effects_p): Likewise. + (may_trap_p_1): Likewise. + (inequality_comparisons_p): Likewise. + (computed_jump_p_1): Likewise. + (commutative_operand_precedence): Likewise. + * sched-deps.c (sched_analyze_2): Likewise. + * sched-vis.c (print_value): Likewise. + * reload.c (operands_match_p): Likewise. + (subst_reg_equivs): Likewise. + * reload1.c (eliminate_regs_1): Likewise. + (elimination_effects): Likewise. + (scan_paradoxical_subregs): Likewise. + * alias.c (rtx_equal_for_memref_p): Likewise. + * Makefile.in (RTL_BASE_H): Add fixed-value.h. + * emit-rtl.c (const_fixed_htab): New hash table. + (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed): + Declare. + (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed, + const_fixed_from_fixed_value): New functions. + (verify_rtx_sharing): Handle CONST_FIXED. + (copy_rtx_if_shared_1): Likewise. + (reset_used_flags): Likewise. + (set_used_flags): Likewise. + (copy_insn_1): Likewise. + (init_emit_once): Create const_fixed_htab. + Store fixed-point scalar and vector zero and one to const_tiny_rtx. + +2007-08-22 Zdenek Dvorak <ook@ucw.cz> + + PR tree-optimization/32949 + * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p + before failing for ivs with non-constant step. + +2007-08-22 Hans-Peter Nilsson <hp@axis.com> + + * doc/md.texi (Iterators): Renamed from Macros. All contents + changed to reflect rename of respectively define_code_macro and + define_mode_macro to define_code_iterator and define_mode_iterator. + (Mode Iterators, Code Iterators): Similar. + * read-rtl.c (struct iterator_group, struct iterator_traverse_data) + (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p) + (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse) + (initialize_iterators, find_iterator, check_code_iterator) + (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping) + (read_mapping, read_rtx_1): Similar. + * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md, + config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md, + config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md, + config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md, + config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md, + config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md, + config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md, + config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md, + config/rs6000/sync.md, config/rs6000/rs6000.md, + config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md, + config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md, + config/vax/vax.md, config/bfin/bfin.md: Similar. + +2007-08-22 David Daney <ddaney@avtrex.com> + + * doc/install.texi (Testing): Mention testing on a simulator. + +2007-08-22 Janis Johnson <janis187@us.ibm.com> + + * config/dfp-bit.c (DFP_TO_DFP): Check for overflow. + + * doc/libgcc.texi (Decimal float library routines): Fix formatting + and rearrange floating point conversion functions into different + categories. + +2007-08-22 Maxim Kuvyrkov <maxim@codesourcery.com> + + * target.h (struct gcc_target.sched: dfa_pre_advance_cycle, + dfa_post_advance_cycle): New scheduler hooks. + * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE, + TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize + new hooks. + (TARGET_SCHED): Use them. + * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE, + TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks. + * haifa-sched.c (advance_one_cycle): Invoke new hooks. + + * genautomata.c (insn_has_dfa_reservation_p): New DFA interface + function to facilitate debugging. + (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro. + (output_insn_has_dfa_reservation_p): New static function to output + insn_has_dfa_reservation_p (). + (write_automata): Use it. + * genattr.c (main): Output declaration for + insn_has_dfa_reservation_p (). + +2007-08-22 Christian Bruel <christian.bruel@st.com> + Richard Guenther <rguenther@suse.de> + + * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only. + * simplify_rtx (simplify_binary_operation_1): Likewise. + +2007-08-22 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR rtl-optimization/32557 + * df-problems.c (df_note_bb_compute): Use mws->start_regno instead + of REGNO (mws->mw_reg). + +2007-08-22 Richard Guenther <rguenther@suse.de> + + PR middle-end/33007 + * builtins.c (expand_builtin_int_roundingfn): Replace call + argument wrapped with SAVE_EXPR directly. + (expand_builtin_int_roundingfn_2): Likewise. + +2007-08-22 Richard Guenther <rguenther@suse.de> + + * tree-inline.c (inlinable_function_p): Restore disregarding + inline limits for GNU extern inline functions. + +2007-08-22 Richard Guenther <rguenther@suse.de> + + PR middle-end/32563 + * tree.c (host_integerp): Treat sizetype as signed as it is + sign-extended. + +2007-08-21 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/33134 + * tree-vrp.c (adjust_range_with_scev): Call + set_value_range_to_value. + +2007-08-21 Aldy Hernandez <aldyh@redhat.com> + + * value-prof.h (gimple_remove_histogram_value): Remove duplicate + prototype. + +2007-08-21 Aldy Hernandez <aldyh@redhat.com> + + * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary + whitespace. + +2007-08-21 Nathan Froyd <froydnj@codesourcery.com> + + * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE + cases to set eight bytes at a time. + (expand_block_move): Likewise. + +2007-08-21 Jakub Jelinek <jakub@redhat.com> + + PR debug/32610 + * dwarf2out.c (gen_decl_die): Don't call + gen_tagged_type_instantiation_die if decl doesn't have tagged type. + +2007-08-21 Paul Brook <paul@codesourcery.com> + Nathan Sidwell <nathan@codesourcery.com> + Mark Mitchell <mark@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> + + * configure.ac: Add --with-pkgversion and --with-bugurl. + * configure: Regenerate. + * doc/install.texi: Document them. + * version.c (version_string): Remove VERSUFFIX. + (VERSUFFIX): Remove. + (pkgversion_string): New. + (bug_report_url): Do not hard-code initializer. + * version.h (pkgversion_string): Declare. + * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI): + Define. + (version.o): Define PKGVERSION and BUGURL. + (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL. + (%.pod): Define BUGURL. + * gcc.c (process_command, main): Use pkgversion_string. + * toplev.c (compile_file, print_version): Likewise. + * protoize.c (main): Likewise. + * gcov.c (print_version): Likewise. Update copyright date. + * gcov-dump.c (print_version): Likewise. Update copyright date. + * mips-tdump.c (main): Likewise. Update copyright date. + * mips-tfile.c (main): Likewise. Update copyright date. + * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle. + * doc/bugreport.texi: Use BUGURL for bug-reporting instructions; + shorten description. + * doc/gcc.texi: Include VERSION_PACKAGE in version description. + * doc/gccint.texi: Likewise. + * doc/invoke.texi: Use BUGURL for bug-reporting instructions. + Update copyright date. + +2007-08-21 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG. + (ix86_expand_strlensi_unroll_1): Ditto. + (ix86_expand_branch): Use FLAGS_REG and FPSR_REG. + (ix86_expand_carry_flag_compare): Update comment. + +2007-08-21 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/32912 + * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST. + (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations. + +2007-08-21 Richard Guenther <rguenther@suse.de> + + * fold-const.c (fold_binary): Revert removing of index +p PTR folding. + +2007-08-21 Richard Guenther <rguenther@suse.de> + + PR middle-end/33122 + * fold-const.c (fold_binary): Remove index +p PTR folding. + Fix types of POINTER_PLUS_EXPR generated by folding of + (PTR +p B) +p A. + +2007-08-20 Chao-ying Fu <fu@mips.com> + + * c-common.h (enum rid): Add new enumeration values of RID_SAT, + RID_FRACT, and RID_ACCUM. RID_SAT needs to be inserted before + RID_ONEWAY, so that it can be checked in declspecs_add_type. + (c_common_fixed_point_type_for_size): Declare. + * c-parser.c (reswords): Add _Fract, _Accum, and _Sat. + (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT. + (c_token_starts_declspecs): Likewise. + (c_parser_declspecs): Likewise. + (c_parser_attributes): Likewise. + * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum. + (c_declspecs): Add saturating_p. + * c-decl.c (build_null_declspecs): Initialize saturating_p. + (declspecs_add_type): Avoid using complex with _Fract, _Accum, or + _Sat. Handle RID_SAT. + Avoid using void, bool, char, int, float, double, _Decimal32, + _Decimal64, _Decimal128, and complex with _Sat. + Handle RID_FRACT and RID_ACCUM. + Make sure _Sat is used with _Fract or _Accum. + (finish_declspecs): Handle cts_fract and cts_accum. + * c-common.c (fixed-value.h): New include. + (constant_expression_warning): Handle FIXED_CST. + (overflow_warning): Likewise. + (warnings_for_convert_and_check): Likewise. + (c_common_fixed_point_type_for_size): New. + (c_common_type_for_mode): Handle fixed-point modes to + return various saturating/non-saturating, signed/unsigned types. + (c_common_signed_or_unsigned_type): Support fixed-point types. + (shorten_compare): Check fixed-point zero. + Handle FIXED_POINT_TYPE. + (c_common_truthvalue_conversion): Handle FIXED_CST. + Handle FIXED_POINT_TYPE. + (c_common_nodes_and_builtins): Record builtin types for fixed-point + types. + (handle_mode_attribute): Handle fixed-point modes. Need to check + if the signness of base type and fixed-point modes are consistent. + (handle_vector_size_attribute): Handle fixed-point modes. + (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE. + (warn_for_div_by_zero): Check fixed-point zero. + * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE. Build + a common fixed-point type based on fbit, ibit, sign, and saturation. + (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR, + NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR, + PREDECREMENT_EXPR, and POSTDECREMENT_EXPR. + (convert_for_assignment): Support FIXED_POINT_TYPE. + (digest_init): Handle FIXED_POINT_TYPE. + (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR, + TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR, + TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR, + GE_EXPR, LT_EXPR, GT_EXPR. + * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New. + (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P. + * target.h (gcc_target): Add fixed_point_supported_p. + * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT, + MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM. + (default_fixed_point_supported_p): Define. + * targhooks.h (default_fixed_point_supported_p): Declare. + * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add. + * doc/install.texi (Configuration): Add --enable-fixed-point. + * configure.ac (--enable-fixed-point): New to enable fixed-point + arithmetic extension to C. For mips targets, we enable it by default. + * configure, config.in: Regenerate. + +2007-08-20 Pawel Sikora <pluto@pld-linux.org> + + * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation. + +2007-08-20 David Edelsohn <edelsohn@gnu.org> + + * dwarf2out.c (text_section_used): Move declaration outside ifdef + DWARF2_DEBUGGING_INFO. + (cold_text_section_used): Same. + (cold_text_section): Same. + +2007-08-20 Richard Guenther <rguenther@suse.de> + + * c-typeck.c (convert_for_assignment): Use the type of + the member for the initialization. + +2007-08-20 Richard Guenther <rguenther@suse.de> + + * c-objc-common.c (c_disregard_inline_limits): Remove. + * c-objc-common.h (c_disregard_inline_limits): Likewise. + * cgraphunit.c (cgraph_process_new_functions): Call + disregard_inline_limits_p. + (cgraph_preserve_function_body_p): Likewise. + * ipa-inline.c (compute_inline_parameters): Likewise. + * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits): + Remove. + (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove. + (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for + disregard_inline_limits langhook. + * langhooks.c (lhd_tree_inlining_disregard_inline_limits): + Remove. + * langhooks.h (lang_hooks_for_tree_inlining): Remove + disregard_inline_limits langhook. + * tree-inline.c (disregard_inline_limits_p): New function. + * tree-inline.h (disregard_inline_limits_p): Declare. + +2007-08-20 Richard Guenther <rguenther@suse.de> + + * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove. + (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise. + (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for + auto_var_in_fn_p langhook. + * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and + move ... + * tree.c (auto_var_in_fn_p): ... here. + (find_var_from_fn): Call auto_var_in_fn_p directly. + * langhooks.h (lang_hooks_for_tree_inlining): Remove + auto_var_in_fn_p langhook. + * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly. + (copy_body_r): Likewise. + (self_inlining_addr_expr): Likewise. + * tree.h (auto_var_in_fn_p): Declare. + +2007-08-20 Richard Guenther <rguenther@suse.de> + + * tree.c (WALK_SUBTREE): Call walk_tree_1. + (walk_type_fields): Take lh parameter. + (walk_tree): Rename to ... + (walk_tree_1): ... this. Do not call the walk_subtrees + langhook but the now passed callback. Pass lh on recursion. + (walk_tree_without_duplicates): Rename to ... + (walk_tree_without_duplicates_1): ... this. Take lh parameter + and call walk_tree_1. + * tree.h (walk_tree_lh): New typedef. + (walk_tree_1): Declare. + (walk_tree_without_duplicates_1): Likewise. + (walk_tree): New define to walk_tree_1 with NULL lh parameter. + (walk_tree_without_duplicates): New define to + walk_tree_without_duplicates_1 with NULL lh parameter. + * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove. + * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees + langhook. + * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove. + (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise. + (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees + initializer. + +2007-08-20 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/30564 + * tree-inline.c (optimize_inline_calls): Move the cgraph checking + code in front of the compacting of basic blocks. + Move the folding of statements inbetween the cgraph checking + and compacting of basic blocks. + +2007-08-19 Andrew Pinski <andrew_pinski@playstation.sony.com> + Serge Belyshev <belyshev@depni.sinp.msu.ru> + + PR target/32522 + * config/alpha/alpha.c (va_list_skip_additions): Check for + POINTER_PLUS_EXPR in addition to PLUS_EXPR. + (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of + PLUS_EXPR when checking ap.__base. + (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR + when doing addition on pointer types. Use size_int instead of + build_int_cst. + (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of + ptr_type in the second operand. + +2007-08-19 Andrew Pinski <pinskia@gmail.com> + + PR target/33115 + * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front. + +2007-08-19 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/32940 + * cfgexpand.c (expand_one_register_var): Mark pointer + DECL_ARTIFICIAL as REG_POINTER also. + * stmt.c (expand_decl): Likewise. + +2007-08-19 Daniel Berlin <dberlin@dberlin.org> + + Fix PR 32772 + Fix PR 32716 + Fix PR 32328 + Fix PR 32303 + + * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call. + * tree-ssa-alias.c (init_transitive_clobber_worklist): Add + on_worklist argument and avoid adding things to worklist multiple + times. + (add_to_worklist): Ditto. + (mark_aliases_call_clobbered): Mark entire structure clobbered if + single SFT is clobbered. + (set_initial_properties): Ditto. + (compute_call_clobbered): Update for changes to function + arguments. + (create_overlap_variables_for): Always create SFT for offset 0. + (create_structure_vars): Handle PHI's, since we are in SSA form at + this point. + * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars. + * tree-ssa-operands.c (access_can_touch_variable): Don't handle + TARGET_MEM_REF. + (add_vars_for_offset): Figure out aliases from access + points-to. + (add_virtual_operand): Use add_vars-for_offset. + (get_tmr_operands): Update for NMT changes, rewrite to be correct. + (add_call_clobber_ops): Remove makes_clobbering_call set. + (get_expr_operands): Always pass through the INDIRECT_REF + reference. + * tree-ssa-structalias.c (struct constraint_graph): Remove + variables member. + Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to, + address_taken, pt_used, number_incoming. + (FIRST_ADDR_NODE): Removed. + (merge_graph_nodes): Remove broken code for the moment. + (init_graph): New function. + (build_pred_graph): Remove code to init_graph. + Add location equivalence support. + (struct scc_info): Rename roots to deleted. + (scc_visit): Ditto. + (init_scc_info): Ditto + (init_topo_info): Use graph->size. + (compute_topo_order): Ditto. + (do_da_constraint): Removed. + (do_sd_constraint): Remove calls to find(). + set_union_with_increment should always get 0 as last arg here. + (do_complex_constraint): Replace do_da_constraint with assert. + Stop calling find. + (struct equiv_class_label): New. + (pointer_equiv_class_table): Ditto. + (location_equiv_class_table): Ditto. + (equiv_class_label_hash): Ditto. + (equiv_class_label_eq): Ditto + (equiv_class_lookup): Ditto. + (equiv_class_ladd): Ditto. + (pointer_equiv_class): Ditto. + (location_equiv_class): Ditto. + (condense_visit): Rename and rewrite from label_visit to do only + SCC related stuff for HU. + (label_visit): Do HU work for HU. + (perform_var_substitution): Update to do HU and location + equivalence. + (free_var_substitution_info): Update to free HU and location + equivalence structures. */ + (find_equivalent_node): Update for pointer but not location + equivalence. + (unite_pointer_equivalences): New function. + (move_complex_constraints): Rewrite to only do moving. + (rewrite_constraints): Split out of move_complex_constraints. + (solve_graph): Use graph->size. + (process_constraint_1): Add from_call argument, use it. + Split *a = &b into two constraints. + (process_constraint): Use new process_constraint_1. + (get_constraint_for_component_ref): Handle bitmaxsize == -1 case. + (get_constraint_for): Handle non-pointer integers properly. + Remove code that used to handle structures. + (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling + with unknown addends. + (handle_rhs_call): New function. + (find_func_aliases): Use handle_rhs_call. + (set_uids_in_ptset): Add an assert. + (set_used_smts): Fix bug in not considering unified vars. + (compute_tbaa_pruning): Stop initing useless iteration_obstack. + (compute_points_to_sets): Update for other function changes. + (delete_points_to_sets): Ditto. + (ipa_pta_execute): Ditto. + (pass_ipa_pta): We need to update SSA after ipa_pta. + +2007-08-19 Jan Hubicka <jh@suse.cz> + + * config/i386/i386.md: Replace "rim" and "mri" constraints by "g". + +2007-08-19 Joseph Myers <joseph@codesourcery.com> + + * dwarf2out.c (text_section_used, cold_text_section_used, + cold_text_section, dwarf2out_note_section_used): New. + (dwarf2out_init): Initialize cold_text_section. + (dwarf2out_switch_text_section, dwarf2out_begin_function): Call + dwarf2out_note_section_used. + (size_of_aranges): Only count entry for text section if it was + used. Count entry for cold text section if it was used. + (output_aranges): Only output entries for text section and cold + text section if they were used. + +2007-08-19 Andrew Pinski <pinskia@gmail.com> + + * tree-pretty-print.c (debug_generic_expr): Add a comment about + the function. + (debug_generic_stmt): Likewise. + (debug_tree_chain): Likewise. + +2007-08-19 Dorit Nuzman <dorit@il.ibm.com> + + * tree-data-refs.c (split_constant_offset): Expose. + * tree-data-refs.h (split_constant_offset): Add declaration. + + * tree-vectorizer.h (dr_alignment_support): Renamed + dr_unaligned_software_pipeline to dr_explicit_realign_optimized. + Added a new value dr_explicit_realign. + (_stmt_vec_info): Added new fields: dr_base_address, dr_init, + dr_offset, dr_step, and dr_aligned_to, along with new access + functions for these fields: STMT_VINFO_DR_BASE_ADDRESS, + STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and + STMT_VINFO_DR_ALIGNED_TO. + + * tree-vectorizer.c (vect_supportable_dr_alignment): Add + documentation. + In case of outer-loop vectorization with non-fixed misalignment - use + the dr_explicit_realign scheme instead of the optimized realignment + scheme. + (new_stmt_vec_info): Initialize new fields. + + * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the + 'nested_in_vect_loop' case. Change verbosity level. + (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case. + Don't fail on zero step in the outer-loop for loads. + (vect_analyze_data_refs): Call split_constant_offset to calculate + base, offset and init relative to the outer-loop. + + * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused + BSI function argument with a new function argument - at_loop. + Simplify the condition that determines STEP. Takes additional argument + INV_P. Support outer-loop vectorization (handle the + nested_in_vect_loop case), including zero step in the outer-loop. Call + vect_create_addr_base_for_vector_ref with additional argument. + (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP. + Updated function documentation. Handle the 'nested_in_vect_loop' case. + Fixed and simplified calculation of step. + (vectorizable_store): Call vect_create_data_ref_ptr with loop instead + of bsi, and with additional argument. Call bump_vector_ptr with + additional argument. Fix typos. Handle the 'nested_in_vect_loop' case. + (vect_setup_realignment): Takes additional arguments INIT_ADDR and + DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case + when the realignment setup needs to take place inside the loop. + Support the dr_explicit_realign scheme. Allow generating the optimized + realignment scheme for outer-loop vectorization. Added documentation. + (vectorizable_load): Support the dr_explicit_realign scheme. Handle + the 'nested_in_vect_loop' case, including loads that are invariant in + the outer-loop and the realignment schemes. Handle the case when the + realignment setup needs to take place inside the loop. Call + vect_setup_realignment with additional arguments. Call + vect_create_data_ref_ptr with additional argument and with loop instead + of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI. + (vect_gen_niters_for_prolog_loop): Call + vect_create_addr_base_for_vector_ref with additional arguments. + (vect_create_cond_for_align_checks): Likewise. + (bump_vector_ptr): Updated to support the new dr_explicit_realign + scheme: takes additional argument bump; argument ptr_incr is now + optional; updated documentation. + (vect_init_vector): Takes additional argument (bsi). Use it, if + available, to insert the vector initialization. + (get_initial_def_for_induction): Pass additional argument in call to + vect_init_vector. + (vect_get_vec_def_for_operand): Likewise. + (vect_setup_realignment): Likewise. + (vectorizable_load): Likewise. + +2007-08-19 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info + as argument instead of struct loop. + (nested_in_vect_loop_p): New function. + (vect_relevant): Add enum values vect_used_in_outer_by_reduction and + vect_used_in_outer. + (is_loop_header_bb_p): New. Used to differentiate loop-header phis + from other phis in the loop. + (destroy_loop_vec_info): Add additional argument to declaration. + + * tree-vectorizer.c (supportable_widening_operation): Also check if + nested_in_vect_loop_p (don't allow changing the order in this case). + (vect_is_simple_reduction): Takes a loop_vec_info as argument instead + of struct loop. Call nested_in_vect_loop_p and don't require + flag_unsafe_math_optimizations if it returns true. + (new_stmt_vec_info): When setting def_type for phis differentiate + loop-header phis from other phis. + (bb_in_loop_p): New function. + (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so + just update their loop_vinfo. Order of BB traversal now matters - + call dfs_enumerate_from with bb_in_loop_p. + (destroy_loop_vec_info): Takes additional argument to control whether + stmt_vinfo of the loop stmts should be destroyed as well. + (vect_is_simple_reduction): Allow the "non-reduction" use of a + reduction stmt to be defines by a non loop-header phi. + (vectorize_loops): Call destroy_loop_vec_info with additional argument. + + * tree-vect-transform.c (vectorizable_reduction): Call + nested_in_vect_loop_p. Check for multitypes in the inner-loop. + (vectorizable_call): Likewise. + (vectorizable_conversion): Likewise. + (vectorizable_operation): Likewise. + (vectorizable_type_promotion): Likewise. + (vectorizable_type_demotion): Likewise. + (vectorizable_store): Likewise. + (vectorizable_live_operation): Likewise. + (vectorizable_reduction): Likewise. Also pass loop_info to + vect_is_simple_reduction instead of loop. + (vect_init_vector): Call nested_in_vect_loop_p. + (get_initial_def_for_reduction): Likewise. + (vect_create_epilog_for_reduction): Likewise. + (vect_init_vector): Check which loop to work with, in case there's an + inner-loop. + (get_initial_def_for_inducion): Extend to handle outer-loop + vectorization. Fix indentation. + (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def. + In the case vect_induction_def get the vector def from the induction + phi node, instead of calling get_initial_def_for_inducion. + (get_initial_def_for_reduction): Extend to handle outer-loop + vectorization. + (vect_create_epilog_for_reduction): Extend to handle outer-loop + vectorization. + (vect_transform_loop): Change assert to just skip this case. Add a + dump printout. + (vect_finish_stmt_generation): Add a couple asserts. + + (vect_estimate_min_profitable_iters): Multiply + cost of inner-loop stmts (in outer-loop vectorization) by estimated + inner-loop bound. + (vect_model_reduction_cost): Don't add reduction epilogue cost in case + this is an inner-loop reduction in outer-loop vectorization. + + * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function. + Same code as what used to be vect_analyze_scalar_cycles, only with + additional argument loop, and loop_info passed to + vect_is_simple_reduction instead of loop. + (vect_analyze_scalar_cycles): Code factored out into + vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest. + Updated documentation. + (analyze_operations): Check for inner-loop loop-closed exit-phis during + outer-loop vectorization that are live or not used in the outerloop, + cause this requires special handling. + (vect_enhance_data_refs_alignment): Don't consider versioning for + nested-loops. + (vect_analyze_data_refs): Check that there are no datarefs in the + inner-loop. + (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer + and vect_used_in_outer_by_reduction cases. + (process_use): Also consider the case of outer-loop stmt defining an + inner-loop stmt and vice versa. + (vect_analyze_loop_1): New function. + (vect_analyze_loop_form): Extend, to allow a restricted form of nested + loops. Call vect_analyze_loop_1. + (vect_analyze_loop): Skip (inner-)loops within outer-loops that have + been vectorized. Call destroy_loop_vec_info with additional argument. + + * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow + in the inner-loop when doing outer-loop vectorization. Add + documentation and printout. + (vect_recog_dot_prod_pattern): Likewise. Also add check for + GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop). + +2007-08-18 Andrew Pinski <pinskia@gmail.com> + + * tree-affine.h (print_aff): New prototype. + (debug_aff): Likewise. + * tree-affine.c (print_aff): New function. + (debug_aff): Likewise. + +2007-08-18 Paul Brook <paul@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> + + * common.opt (-fdebug-prefix-map=): New option. + * opts.c: Include debug.h. + (common_handle_option): Handle -fdebug-prefix-map. + * final.c: Include ggc.h. + (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map, + remap_debug_filename): New. + * Makefile.in (final.o, opts.o): Update dependencies. + * debug.h (remap_debug_filename, add_debug_prefix_map): Declare. + * configure.ac: Check for assembler --debug-prefix-map support. + * configure, config.in: Regenerate. + * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP. + (ASM_DEBUG_SPEC): Include ASM_MAP. + * doc/install.texi (--with-debug-prefix-map): Document. + * doc/invoke.texi (-fdebug-prefix-map): Document. + * dbxout.c (dbxout_init, dbxout_start_source_file, + dbxout_source_file): Call remap_debug_filename. + * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file, + dwarf2out_start_source_file, dwarf2out_finish): Call + remap_debug_filename. + (file_table_relative_p): Do not check d->emitted_number. + * toplev.c (output_file_directive): Call remap_debug_filename. + * vmsdbgout.c (write_srccorr): Call remap_debug_filename. + * xcoffout.c (xcoffout_source_file): Call remap_debug_filename. + +2007-08-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * loop-invariant.c (find_invariants_to_move): Add missing macro + argument. + +2007-08-17 Tom Tromey <tromey@redhat.com> + + * tree.h (struct tree_label_decl): Removed old "java" fields. + +2007-08-17 Richard Sandiford <richard@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas. + Treat -mno-data-in-code and -mcode-xonly as aliases for + -mcode-readable=no and -mcode-readable=pcrel respectively. + * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly. + (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs. + (MULTILIB_DIRNAMES): Update accordingly. + +2007-08-17 H.J. Lu <hongjiu.lu@intel.com> + + * Makefile.in (version.o): Depend on $(REVISION) only if + REVISION_s is defined. + +2007-08-17 Sa Liu <saliu@de.ibm.com> + Ulrich Weigand <uweigand@de.ibm.com> + + PR middle-end/32970 + * tree.c (reconstruct_complex_type): For a pointer to a vector, + use build_qualified_type to retain qualifiers of the base type. + +2007-08-17 Chen Liqin <liqin@sunnorth.com.cn> + + * config/score/score.md : Update pattern tablejump. + * config/score/score.c : Update score_initialize_trampoline + function. + * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro. + (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro. + * doc/contrib.texi: Add my entry. + +2007-08-16 H.J. Lu <hongjiu.lu@intel.com> + + * Makefile.in (REVISION): New. + (REVISION_c): New. + (REVISION_s): New. + (version.o): Also depend on $(REVISION). Add + -DREVISION=$(REVISION_s). + + * version.c (version_string): Add REVISION. + +2007-08-16 Seongbae Park <seongbae.park@gmail.com> + + * tree-eh.c (lower_try_finally_onedest): Reset the locus + of GOTO that's relocated to a different block. + +2007-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (const_strip_array_types): New. + * c-common.h (lang_missing_noreturn_ok_p): Delete. + (const_strip_array_types): New. + * c-objc-common.c (c_disregard_inline_limits, + c_warn_unused_global_decl): Constify. + * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl, + c_vla_type_p, c_incomplete_type_error): Likewise. + * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise. + * hooks.c (hook_bool_const_tree_false): New. + * hooks.h (hook_bool_const_tree_false): Likewise. + * langhooks-def.h (lhd_warn_unused_global_decl, + lhd_incomplete_type_error, lhd_expr_size, + lhd_tree_inlining_disregard_inline_limits, + lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals, + LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify. + * langhooks.c (lhd_warn_unused_global_decl, + lhd_incomplete_type_error, + lhd_tree_inlining_disregard_inline_limits, + lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals, + lhd_expr_size): Likewise. + * langhooks.h (lang_hooks_for_tree_inlining, + lang_hooks_for_tree_dump, lang_hooks_for_types, + lang_hooks_for_decls, lang_hooks): Likewise. + * pointer-set.c (pointer_set_t, pointer_set_create, + pointer_set_contains, insert_aux, pointer_set_insert, + pointer_set_traverse, pointer_map_t, pointer_map_create, + pointer_map_contains, pointer_map_insert, pointer_map_traverse): + Likewise. + * pointer-set.h (pointer_set_contains, pointer_set_insert, + pointer_set_traverse, pointer_map_contains, pointer_map_insert, + pointer_map_traverse): Likewise. + * predict.c (assert_is_empty): Likewise. + * tree-affine.c (free_name_expansion): Likewise. + * tree-cfg.c (edge_to_cases_cleanup): Likewise. + * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise. + * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise. + +2007-08-16 Victor Kaplansky <victork@il.ibm.com> + + * tree-vectorizer.c (new_loop_vec_info): Initialize new + field. + (destroy_loop_vec_info): Add call to VEC_free. + * tree-vectorizer.h (may_alias_ddrs): Define. + (LOOP_VINFO_MAY_ALIAS_DDRS): Define. + * tree-vect-analyze.c (vect_analyze_data_ref_dependence): + Change reporting to dump. + (vect_is_duplicate_ddr): New. + (vect_mark_for_runtime_alias_test): New. + (vect_analyze_data_ref_dependences) Add call to + vect_mark_for_runtime_alias_test. + (vect_enhance_data_refs_alignment): Define local variable + vect_versioning_for_alias_required, don't perform + peeling for alignment if versioning for alias is + required. + (vect_enhance_data_refs_alignment): Use + PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of + PARAM_VECT_MAX_VERSION_CHECKS. + * tree-vect-transform.c + (vect_create_cond_for_alias_checks): New. + (vect_transform_loop): Add call to + vect_create_cond_for_alias_checks. + (vect_vfa_segment_size): New. + * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS): + Rename. + (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define. + * doc/invoke.texi + (vect-max-version-for-alignment-checks): Document. + (vect-max-version-for-alias-checks): Document. + (vect-max-version-checks): Remove. + +2007-08-16 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on + the same line as the instruction for all asm dialects. + (*rep_movsi): Ditto. + (*rep_movsi_rex64): Ditto. + (*rep_movqi): Ditto. + (*rep_movqi_rex64): Ditto. + (*rep_stosdi_rex64): Ditto. + (*rep_stossi): Ditto. + (*rep_stossi_rex64): Ditto. + (*rep_stosqi): Ditto. + (*rep_stosqi_rex64): Ditto. + (*cmpstrnqi_nz_1): Ditto. + (*cmpstrnqi_nz_rex_1): Ditto. + (*cmpstrnqi_1): Ditto. + (*cmpstrnqi_rex_1): Ditto. + (*strlenqi_1): Ditto. + (*strlenqi_rex_1): Ditto. + * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock" + prefix on the same line as the instruction for all asm dialects. + (sync_double_compare_and_swap<mode>): Ditto. + (*sync_double_compare_and_swapdi_pic): Ditto. + (*sync_compare_and_swap_cc<mode>): Ditto. + (sync_double_compare_and_swap_cc<mode>): Ditto. + (*sync_double_compare_and_swap_ccdi_pic): Ditto. + (sync_old_add<mode>): Ditto. + (sync_add<mode>): Ditto. + (sync_sub<mode>): Ditto. + (sync_ior<mode>): Ditto. + (sync_and<mode>): Ditto. + (sync_xor<mode>): Ditto. + +2007-08-16 Richard Sandiford <richard@codesourcery.com> + + PR middle-end/32897 + * reload.c (find_reloads): Check that the memory returned by + find_reloads_toplev was not the result of forcing a constant + to memory. + (find_reloads_toplev): Always use simplify_gen_subreg to get + the subreg of a constant. If the result is also a constant, + but not a legitimate one, force it into the constant pool + and reload its address. + +2007-08-15 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and + POPCOUNT. + +2007-08-15 Daniel Jacobowitz <dan@codesourcery.com> + + * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute + directive for the current vector ABI. + +2007-08-15 Steve Ellcey <sje@cup.hp.com> + + PR target/32963 + * caller-save.c (reg_save_code): Set invalide status on restore code. + +2007-08-15 Diego Novillo <dnovillo@google.com> + + * tree-ssa-alias.c (compute_memory_partitions): Use + alias_bitmap_obstack to allocate bitmaps. + (reset_alias_info): Factor out of init_alias_info. + Mark all name tags not associated to an SSA name for renaming. + (init_alias_info): Call it. + (create_name_tags): Tidy. Add comments. + (dump_points_to_info_for): Do not call get_mem_sym_stats_for. + +2007-08-15 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to + scheduler dependencies. + +2007-08-15 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for + "register_operand". + (*iorsi_1_zext): Likewise. + (*iorsi_1_zext_imm): Likewise. + * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand" + with "rm"/"xm" constraint. + (sse2_vmsqrtv2df2): Likewise. + +2007-08-15 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/33074 + * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for + REG_LIBCALL note. + +2007-08-14 Daniel Berlin <dberlin@dberlin.org> + + * tree-pass.h (PROP_pta): Removed. + (TODO_rebuild_alias): New. + (pass_may_alias): Removed. + * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild + aliasing if we changed something. + * tree-ssa-alias.c (compute_may_aliases): Make non-static. Update + SSA internally. + (pass_may_alias): Removed. + (create_structure_vars): Return TODO_rebuild_alias. + * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias. + * tree-sra.c (tree_sra): Only rebuild aliasing if something + changed. + (tree_sra_early): We never affect aliasing right now. + * tree-flow.h (compute_may_aliases): New prototype. + * passes.c: Remove pass_may_alias from the passes. + (execute_function_todo): Support TODO_rebuild_alias. + +2007-08-14 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/i386.c (legitimize_address): Move dllimported variable + check infront of legitimizing pic address of CONST symbols. + +2007-08-14 Steve Ellcey <sje@cup.hp.com> + + PR tree-optimization/32941 + * tree-eh.c (struct leh_tf_state): Add goto_queue_map field. + (goto_queue_cmp): Remove. + (find_goto_replacement): Change search method. + (maybe_record_in_goto_queue): Add assert. + (lower_try_finally): Remove qsort call, add pointer_map_destroy call. + * Makefile.in (tree-eh.o): Add pointer-set.h dependency. + +2007-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alias.c (component_uses_parent_alias_set): Constify. + * alias.h (component_uses_parent_alias_set): Likewise. + * cfgrtl.c (print_rtl_with_bb): Likewise. + * double-int.c (tree_to_double_int, double_int_fits_to_tree_p, + mpz_get_double_int): Likewise. + * double-int.h (double_int_fits_to_tree_p, tree_to_double_int, + mpz_get_double_int): Likewise. + * expr.c (is_aligning_offset, undefined_operand_subword_p, + mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset): + Likewise. + * expr.h (safe_from_p): Likewise. + * gimple-low.c (try_catch_may_fallthru, block_may_fallthru): + Likewise. + * gimplify.c (should_carry_locus_p, zero_sized_field_decl, + zero_sized_type, goa_lhs_expr_p): Likewise. + * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise. + * rtl.h (print_rtl_with_bb): Likewise. + * sched-vis.c (print_exp, print_value, print_pattern): Likewise. + * tree-cfg.c (const_first_stmt, const_last_stmt): New. + * tree-flow-inline.h (bb_stmt_list): Constify. + (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev, + cbsi_stmt): New. + * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last, + const_first_stmt, const_last_stmt): New. + (block_may_fallthru, empty_block_p): Constify. + * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY, + EXPR_ONLY_BODY): New. + (expr_first, expr_last, expr_only): Use macro for body. + (const_expr_first, const_expr_last, const_expr_only): New. + * tree-iterator.h (const_tree_stmt_iterator, ctsi_start, + ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next, + ctsi_prev, ctsi_stmt): New. + * tree-scalar-evolution.c (get_loop_exit_condition): Constify. + * tree-scalar-evolution.h (get_loop_exit_condition): Likewise. + * tree-ssa-loop-niter.c (loop_only_exit_p, + derive_constant_upper_bound): Likewise. + * tree-ssa-phiopt.c (empty_block_p): Likewise. + * tree-ssa-threadupdate.c (redirection_block_p): Likewise. + * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise. + * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise. + * tree-vrp.c (vrp_bitmap_equal_p): Likewise. + * tree.c (get_type_static_bounds): Likewise. + * tree.h (const_expr_first, const_expr_last, const_expr_only): New. + (get_type_static_bounds): Constify. + +2007-08-14 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/30315 + * config/i386/i386.h (CANONICALIZE_COMPARISON): New. + * config/i386/i386.md (plusminus)(addsub)(SWI): New. + (*<addsub><mode>3_cc_overflow): New. + (*add<mode>3_cconly_overflow): New. + (*sub<mode>3_cconly_overflow): New. + (*<addsub>si3_zext_cc_overflow): New. + * config/i386/predicates.md (fcmov_comparison_operator): Accept + CCCmode for LTU, GTU, LEU and GEU. + (ix86_comparison_operator): Likewise. + (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode. + * config/i386/i386.c (put_condition_code): Support CCCmode. + (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS + or MINUS expressions. + +2007-08-14 Andrew Pinski <pinskia@gmail.com> + + PR c/30428 + * c-typeck.c (build_binary_op): Disallow vector float types with + BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR. + +2007-08-14 Maxim Kuvyrkov <maxim@codesourcery.com> + + * sched-int.h (struct _dep): Rename field 'kind' to 'type'. + (DEP_KIND): Rename to DEP_TYPE. Update all uses. + (dep_def): New typedef. + (init_dep_1, sd_debug_dep): Declare functions. + (DEP_LINK_KIND): Rename to DEP_LINK_TYPE. + (debug_dep_links): Remove. + (struct _deps_list): New field 'n_links'. + (DEPS_LIST_N_LINKS): New macro. + (FOR_EACH_DEP_LINK): Remove. + (create_deps_list, free_deps_list, delete_deps_list): Remove + declaration. + (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto. + (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto. + (copy_deps_list_change_con, move_dep_link): Ditto. + (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps' + and 'spec_back_deps'. New field 'resolved_forw_deps'. Remove field + 'dep_count'. + (INSN_BACK_DEPS): Remove. + (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS): + New macros. + (INSN_DEP_COUNT): Remove. + (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP. Fix comments. + (spec_info, haifa_recovery_block_was_added_during_scheduling_p): + Declare global variables. + (deps_pools_are_empty_p, sched_free_deps): Declare functions. + (add_forw_dep, compute_forward_dependences): Remove declarations. + (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto. + (add_back_forw_dep, delete_back_forw_dep): Ditto. + (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare + functions. + (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW): + New constants. + (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto. + (sd_list_types_def): New typedef. + (sd_next_list): Declare function. + (struct _sd_iterator): New type. + (sd_iterator_def): New typedef. + (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline + functions. + (FOR_EACH_DEP): New cycle wrapper. + (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn): + Declare functions. + (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto. + (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists): + Ditto. + + * sched-deps.c (init_dep_1): Make global. + (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New + constants. + (dump_dep): New static function. + (dump_dep_flags): New static variable. + (sd_debug_dep): New function. + (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of + the list. + (move_dep_link): Use remove_from_deps_list (), instead of + detach_dep_link (). + (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove. + (dep_link_is_detached_p): New static function. + (deps_obstack, dl_obstack, dn_obstack): Remove. Use dn_pool, dl_pool + instead. + (dn_pool, dl_pool): New alloc_pools. + (dn_pool_diff, dl_pool_diff): New static variables. + (create_dep_node, delete_dep_node): New static function. + (create_deps_list): Make it static. Use alloc_pool 'dl_pool'. + (deps_list_empty_p): Make it static. Use 'n_links' field. + (deps_pools_are_empty_p): New static function. + (alloc_deps_list, delete_deps_list): Remove. + (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove. + (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto. + (copy_deps_list_change_con): Remove. Use sd_copy_back_deps () instead. + (forward_dependency_cache): Remove. + (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove + 'back' from the names. Change signature to use dep_t instead of + equivalent quad. + (add_back_dep): Ditto. Make global. + (check_dep_status): Rename to check_dep (). + (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn): + New functions. + (sd_finish_insn): Ditto. + (sd_find_dep_between_no_cache): New static function. + (sd_find_dep_between): New function. + (ask_dependency_caches, set_dependency_caches): New static functions. + (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto. + (add_or_update_dep_1): Separate pieces of functionality into + ask_dependency_caches (), update_dependency_caches (), + change_spec_dep_to_hard (), update_dep (). + (get_back_and_forw_lists): New static function. + (sd_add_dep): Separate setting of dependency caches into + set_dependency_caches (). + (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps): + New functions. + (sd_delete_dep): Ditto. + (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants. + (dump_lists): New static function. + (sd_debug_lists): New debug function. + (delete_all_dependences, fixup_sched_groups): Update to use + sd_* infrastructure. + (sched_analyze_2): Create data-speculative dependency only if + data-speculation is enabled. + (sched_analyze_insn): If insn cannot be speculative, make all its + dependencies non-speculative. + (sched_analyze): Use sd_init_insn (). + (add_forw_dep, compute_forward_dependencies): Remove. + (delete_dep_nodes_in_back_deps): New static function. + (sched_free_deps): New function. + (init_dependency_caches): Init alloc_pools. + (extend_depedency_caches): Update after removing of + forward_dependency_cache. + (free_dependency_caches): Ditto. Free alloc_pools. + (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove. + (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep): + Ditto. + (add_back_forw_dep, delete_back_forw_dep): Ditto. + (add_dependence): Use init_dep (). + (get_dep_weak_1): New static function. + (get_dep_weak): Move logic to get_dep_weak_1 (). + (dump_ds): New static function moved from haifa-sched.c: + debug_spec_status (). + (debug_ds): New debug function. + (check_dep_status): Rename to check_dep (). Update to check whole + dependencies. + + * haifa-sched.c (spec_info): Make global. + (added_recovery_block_p): Rename to + 'haifa_recovery_block_was_added_during_current_schedule_block_p'. + (haifa_recovery_block_was_added_during_scheduling_p): New variable. + (dep_cost, priority, rank_for_schedule, schedule_insn): Update + to use new interfaces. + (ok_for_early_queue_removal): Ditto. + (schedule_block): Initialize logical uids of insns emitted by the + target. + (sched_init): Initialize new variable. + (fix_inter_tick, try_ready, fix_tick_ready): Update to use new + interfaces. + (extend_global): Initialize insn data. + (init_h_i_d): Remove code that is now handled in sd_init_insn (). + (process_insn_forw_deps_be_in_spec): Change signature. Update to use + new interfaces. + (add_to_speculative_block): Update to use new interfaces. + (create_recovery_block): Set new variables. + (create_check_block_twin, fix_recovery_deps): Update to use new + interfaces. + (sched_insn_is_legitimate_for_speculation_p): New function. + (speculate_insn): Move checking logic to + sched_insn_is_legitimate_for_speculation_p (). + (sched_remove_insn): Finalize sched-deps information of instruction. + (clear_priorities, add_jump_dependencies): Update to use new + interfaces. + (debug_spec_status): Rename to dump_ds () and move to sched-deps.c. + + * sched-rgn.c (set_spec_fed, find_conditional_protection): Update + to use new interfaces. + (is_conditionally_protected, is_pfree, is_prisky) Ditto. + (new_ready): Try to use control speculation only if it is available. + (add_branch_dependences): Update to use new interfaces. + (compute_block_backward_dependences): Rename to + compute_block_dependences (). Call + targetm.sched.dependencies_evaluation_hook (). + (free_block_dependencies): New static function. + (debug_dependencies): Update to use new interfaces. + (schedule_region): Remove separate computation of forward dependencies. + Move call of targetm.sched.dependencies_evaluation_hook () to + compute_block_dependences (). Free dependencies at the end of + scheduling the region. + + * sched-ebb.c (earliest_block_with_similiar_load): Update to use + new interfaces. + (add_deps_for_risky_insns): Ditto. + (schedule_ebb): Remove separate computation of forward dependencies. + Free dependencies at the end of scheduling the ebb. + + * ddg.c (create_ddg_dependence): Update to use new interfaces. + (build_intra_loop_deps): Ditto. Remove separate computation of + forward dependencies. Free sched-deps dependencies. + + * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update + to use new interfaces. + (ia64_dfa_new_cycle, ia64_gen_check): Ditto. + + * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use + new interfaces. + (is_costly_group): Ditto. + +2007-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alias.c (rtx_equal_for_memref_p): Constify. + * basic-block.h (const_edge, const_basic_block): New. + (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p, + single_pred_p, single_succ_edge, single_pred_edge, single_succ, + single_pred, maybe_hot_bb_p, probably_cold_bb_p, + probably_never_executed_bb_p, edge_probability_reliable_p, + br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print, + inside_basic_block_p, control_flow_insn_p, dominated_by_p): + Likewise. + * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise. + * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up): + Likewise. + * cfganal.c (flow_active_insn_p, forwarder_block_p, + flow_nodes_print, dfs_enumerate_from): Likewise. + * cfgbuild.c (count_basic_blocks, inside_basic_block_p, + control_flow_insn_p, count_basic_blocks): Likewise. + * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p, + get_loop_body_with_size, loop_exit_edge_p): Likewise. + * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns, + average_num_loop_insns, loop_exit_edge_p, + just_once_each_iteration_p, can_duplicate_loop_p): Likewise. + * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns, + average_num_loop_insns, seq_cost): Likewise. + * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise. + * dominance.c (dominated_by_p): Likewise. + * emit-rtl.c (validate_subreg): Likewise. + * except.c (can_throw_internal, can_throw_external): Likewise. + * except.h (can_throw_internal, can_throw_external): Likewise. + * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p, + oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p, + compute_transp, load_killed_in_block_p, reg_killed_on_edge, + simple_mem, store_ops_ok, load_kills_store, find_loads, + store_killed_in_insn, store_killed_after, store_killed_before, + gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat): + Likewise. + * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok, + noce_mem_write_may_trap_or_fault_p): Likewise. + * pointer-set.c (pointer_set_contains, pointer_map_contains): + Likewise. + * pointer-set.h (pointer_set_contains, pointer_map_contains): + Likewise. + * predict.c (can_predict_insn_p, maybe_hot_bb_p, + probably_cold_bb_p, probably_never_executed_bb_p, + edge_probability_reliable_p, br_prob_note_reliable_p, + can_predict_insn_p): Likewise. + * regclass.c (reg_set_to_hard_reg_set): Likewise. + * resource.c (return_insn_p): Likewise. + * rtl.h (reg_set_between_p, reg_set_p, validate_subreg): + Likewise. + * rtlanal.c (reg_set_between_p, reg_set_p): Likewise. + * tracer.c (count_insns, ignore_bb_p, better_p): Likewise. + * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr, + verify_gimple_modify_stmt): Likewise. + * tree-chrec.c (is_not_constant_evolution, + is_multivariate_chrec_rec, is_multivariate_chrec, + chrec_contains_symbols, chrec_contains_undetermined, + tree_contains_chrecs, evolution_function_is_affine_multivariate_p, + evolution_function_is_univariate_p, avoid_arithmetics_in_type_p, + eq_evolutions_p, scev_direction): Likewise. + * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec, + eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols, + chrec_contains_symbols_defined_in_loop, + chrec_contains_undetermined, tree_contains_chrecs, + evolution_function_is_affine_multivariate_p, + evolution_function_is_univariate_p, chrec_zerop, + evolution_function_is_constant_p, evolution_function_is_affine_p, + evolution_function_is_affine_or_constant_p, + tree_does_not_contain_chrecs, chrec_type): Likewise. + * tree-data-ref.c (tree_fold_divides_p, + object_address_invariant_in_loop_p, dr_may_alias_p, + ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p, + same_access_functions, constant_access_functions, + access_functions_are_affine_or_constant_p, find_vertex_for_stmt): + Likewise. + * tree-flow.h (scev_direction): Likewise. + * tree-gimple.c (is_gimple_stmt): Likewise. + * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p): + Likewise. + * tree-pretty-print.c (op_prio): Likewise. + * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop, + analyzable_condition, backedge_phi_arg_p): Likewise. + * tree-scalar-evolution.h (get_chrec_loop): Likewise. + * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise. + * tree-ssa-threadupdate.c (dbds_continue_enumeration_p): + Likewise. + +2007-08-13 Dan Hipschman <dsh@google.com> + + PR c/32953 + * c-format.c (check_format_arg): Move check for zero-length + format strings below the check for unterminated strings. + +2007-08-13 Andrew Pinski <pinskia@gmail.com> + + PR C/30427 + * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float + types. + +2007-08-13 Nick Clifton <nickc@redhat.com> + + * config/arm/arm_neon.h: Revert GPLv3 patch to this file. + +2007-08-12 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR fortran/32860 + * c-format.c (gcc_gfc_length_specs): New array. + (gcc_gfc_char_table): Add unsigned specifier, and references to + the l length modifier. + (format_types_orig): Use the new gcc_gfc_length_specs. + +2007-08-12 Sa Liu <saliu@de.ibm.com> + + * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note + and with REG_RETVAL note after split. + +2007-08-11 David Daney <ddaney@avtrex.com> + + * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter + as ATTRIBUTE_UNUSED. + +2007-08-11 David Edelsohn <edelsohn@gnu.org> + Segher Boessenkool <segher@kernel.crashing.org> + + * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if + HAVE_LOCAL_CPU_DETECT not defined. + +2007-08-11 Jan Hubicka <jh@suse.cz> + + * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined. + (cgraph_process_new_functions): Honor previous value of + disregard_inline_limits. + * ipa-inline.c (compute_inline_parameters): Likewise. + +2007-08-11 Ian Lance Taylor <iant@google.com> + + * alias.h (alias_set_type): Define new type. + (ALIAS_SET_MEMORY_BARRIER): Use it. + * rtl.h: Include alias.h. + (struct mem_attrs): Use alias_set_type. + * tree.h: Include alias.h + (struct tree_type): Use alias_set_type. + (struct tree_struct_field_tag): Likewise. + (struct tree_decl_common): Likewise. + * alias.c (struct alias_set_entry): Use alias_set_type. + (get_alias_set_entry, alias_set_subset_of): Likewise. + (alias_sets_conflict_p): Likewise. + (alias_sets_must_conflict_p): Likewise. + (objects_must_conflict_p): Likewise. + (get_alias_set, new_alias_set): Likewise. + (record_alias_subset, record_component_aliases): Likewise. + (varargs_set, frame_set): Change to alias_set_type. + (get_varargs_alias_set): Use alias_set_type. + (get_frame_alias_set): Likewise. + * builtins.c (setjmp_alias_set): Change to alias_set_type. + * dse.c (struct store_info): Use alias_set_type. + (struct read_info, struct clear_alias_mode_holder): Likewise. + (clear_alias_set_lookup, canon_address): Likewise. + (record_store, check_mem_read_rtx): Likewise. + (dse_record_singleton_alias_set): Likewise. + (dse_invalidate_singleton_alias_set): Likewise. + * emit-rtl.c (get_mem_attrs): Likewise. + (set_mem_attributes_minus_bitpos): Likewise. + (set_mem_alias_set): Likewise. + * expr.c (store_constructor_field, store_field): Likewise. + * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise. + * langhooks.c (lhd_get_alias_set): Likewise. + * langhooks-def.h (lhd_get_alias_set): Likewise. + * reload1.c (alter_reg): Likewise. + * tree-flow.h (struct fieldoff): Likewise. + * tree-ssa-alias.c (struct alias_map_d): Likewise. + (may_alias_p, get_smt_for, create_sft): Likewise. + * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise. + * tree-ssa-structalias.c (set_uids_in_ptset): Likewise. + (merge_smts_into): Likewise. + * varasm.c (const_alias_set): Likewise. + * c-common.c (strict_aliasing_warning): Likewise. + (c_common_get_alias_set): Likewise. + * dse.h (dse_record_singleton_alias_set): Update declaration. + (dse_invalidate_singleton_alias_set): Likewise. + * emit-rtl.h (set_mem_alias_set): Likewise. + * c-common.h (c_common_get_alias_set): Likewise. + * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it. + * print-tree.c (print_node): Likewise. + * config/alpha/alpha.c (alpha_sr_alias_set): Change to + alias_set_type. + (alpha_setup_incoming_varargs): Use alias_set_type. + * config/i386/i386.c (setup_incoming_varargs_64): Use + alias_set_type. + (setup_incoming_varargs_ms_64): Likewise. + (ix86_GOT_alias_set): Likewise. + * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise. + * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise. + (set): Change to alias_set_type. + (get_TOC_alias_set): Use alias_set_type. + * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update + declaration. + * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type. + * config/sparc/sparc.c (sparc_sr_alias_set): Change to + alias_set_type. + (struct_value_alias_set): Likewise. + * Makefile.in (GTFILES): Add $(srcdir)/alias.h. + +2007-08-11 Richard Sandiford <richard@codesourcery.com> + + * config/vxworks-dummy.h (TARGET_VXWORKS): Define. + * config/vxworks.h (TARGET_VXWORKS): Override. + * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define + "mips" if TARGET_VXWORKS. + +2007-08-11 Richard Sandiford <richard@codesourcery.com> + + * calls.c (avoid_likely_spilled_reg): New function. + (expand_call): Use it. + +2007-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings. + +2007-08-10 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/predicates.md (const_call_insn_operand): Invoke + SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs. + +2007-08-10 David Edelsohn <edelsohn@gnu.org> + + PR target/33042 + * config/rs6000/driver-rs6000.c: Include link.h. + Use ElfW instead of wordsize-specif typedef. + +2007-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (CONST_CAST): New. + * c-decl.c (c_make_fname_decl): Use it. + * c-lex.c (cb_ident, lex_string): Likewise. + * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise. + * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1, + give_switch, set_multilib_dir): Likewise. + * gengtype-parse.c (string_seq, typedef_name): Likewise. + * passes.c (execute_one_pass): Likewise. + * prefix.c (update_path): Likewise. + * pretty-print.c (pp_base_destroy_prefix): Likewise. + * tree.c (build_string): Likewise. + +2007-08-10 Aldy Hernandez <aldyh@redhat.com> + + * tree-flow-inline.h (is_exec_stmt): Remove. + (is_label_stmt): Remove. + * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and + is_label_stmt. + +2007-08-10 Andreas Krebbel <krebbel1@de.ibm.com> + + * lower-subreg.c (resolve_shift_zext): Don't adjust + src_reg_num for wordmode operands. + +2007-08-10 Sandra Loosemore <sandra@codesourcery.com> + David Ung <davidu@mips.com> + + * config/mips/mips.c (TARGET_SCHED_INIT): Define. + (TARGET_SCHED_REORDER2): Define. + (mips_maybe_swap_ready): New. + (mips_last_74k_agen_insn): New. + (mips_74k_agen_init): New. + (mips_74k_agen_reorder): New function to group loads and stores + in the ready queue. + (mips_sched_init): New. + (mips_sched_reorder): Don't do initialization here. Call + mips_74k_agen_reorder. + (mips_variable_issue): Call mips_74k_agen_init. + +2007-08-10 Aldy Hernandez <aldyh@redhat.com> + + * tree-flow-inline.h (get_filename): Remove. + +2007-08-10 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips-protos.h (mips_address_insns): Add a boolean + argument. + (mips_fetch_insns): Delete in favor of... + (mips_load_store_insns): ...this new function. + * config/mips/mips.c (mips_address_insns): Add a boolean argument + to say whether multiword moves _might_ be split. + (mips_fetch_insns): Delete in favor of... + (mips_load_store_insns): ...this new function. + (mips_rtx_costs): Update the call to mips_address_insns. + (mips_address_cost): Likewise. + * config/mips/mips.md (length): Use mips_load_store_insns instead + of mips_fetch_insns. + * config/mips/constraints.md (R): Use mips_address_insns rather + than mips_fetch_insns. Assume that the move never needs to be split. + +2007-08-09 Sandra Loosemore <sandra@codesourcery.com> + + * config/mips/mips.opt (mhard-float, msoft-float): Make these + control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather + than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT. + * config/mips/mips.h (mips16_hard_float): Delete. + (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these + definitions, and replace with.... + (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define. + * config/mips/mips.c (mips16_hard_float): Delete. Replace + all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI). + (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments. + (override_options): Replace MASK_SOFT_FLOAT references with + MASK_SOFT_FLOAT_ABI. Delete twiddling with MASK_SOFT_FLOAT + and mips16_hard_float when TARGET_MIPS16. + +2007-08-09 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR c/32796 + * c-typeck.c (build_binary_op): Check for non pointer types before + calling int_fits_type_p. + +2007-08-09 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/32813 + * fold-const.c (omit_one_operand): Return only the ommitted expression + if the result is an empty statement. + (pedantic_omit_one_operand): Likewise. + +2007-08-09 Daniel Berlin <dberlin@dberlin.org> + + * c-typeck.c (readonly_error): Improve error for assignment. + + * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus + expression. + (pp_c_expression): Ditto. + +2007-08-09 Simon Baldwin <simonb@google.com> + + * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous + break that was preventing simplify_associative_operation() for xor. + +2007-08-09 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO): + Document change in interpretation of value from boolean to + tri-state integer. + * optabs.c (expand_ffs, expand_ctz): New functions to compute + ffs and ctz using clz. + (expand_unop): Call them. + * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its + result value. + (CTZ_DEFINED_VALUE_AT_ZERO): Likewise. + * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to + enable the new ffs expansion on this target. + +2007-08-09 Jan Hubicka <jh@suse.cz> + + * optabs.c (expand_widen_pattern_expr): Use optabs accestors. + (expand_ternary_op): Likewise. + (expand_vec_shift_expr): Likewise. + (expand_binop_directly): Likewise. + (expand_binop): Likewise. + (sign_expand_binop): Likewise. + (expand_twoval_unop): Likewise. + (expand_twoval_binop): Likewise. + (expand_twoval_binop_libfunc): Likewise. + (widen_clz): Likewise. + (widen_bswap): Likewise. + (expand_parity): Likewise. + (expand_unop): Likewise. + (expand_abs_nojump): Likewise. + (expand_copysign): Likewise. + (emit_no_conflict_block): Likewise. + (emit_libcall_block): Likewise. + (can_compare_p): Likewise. + (prepare_cmp_insn): Likewise. + (emit_cmp_and_jump_insn_1): Likewise. + (prepare_float_lib_cmp): Likewise. + (emit_conditional_add): Likewise. + (gen_add2_insn): Likewise. + (have_add2_insn): Likewise. + (gen_sub2_insn): Likewise. + (have_sub2_insn): Likewise. + (can_extend_p): Likewise. + (can_fix_p): Likewise. + (can_float_p): Likewise. + (expand_float): Likewise. + (expand_fix): Likewise. + (expand_sfix_optab): Likewise. + (new_optab): Likewise. + (new_convert_optab): Likewise. + (init_libfuncs): Likewise. + (init_interclass_conv_libfuncs): Likewise. + (init_intraclass_conv_libfuncs): Likewise. + (set_conv_libfunc): Likewise. + (init_optabs): Likewise. + (debug_optab_libfuncs): Likewise. + (gen_cond_trap): Likewise. + * optabs.h (optab_handler, convert_optab_hanlder): New. + * genopinit.c: Update optabs generation table. + * reload.c (find_reloads_address_1): Use optabs accestors. + * builtins.c (expand_builtin_mathfn): Likewise. + (expand_builtin_mathfn_2): Likewise. + (expand_builtin_mathfn_3): Likewise. + (expand_builtin_interclass_mathfn): Likewise. + (expand_builtin_sincos): Likewise. + (expand_builtin_cexpi): Likewise. + (expand_builtin_powi): Likewise. + (expand_builtin_strlen): Likewise. + * dojump.c (do_jump): Likewise. + * expr.c (convert_move): Likewise. + (move_by_pieces): Likewise. + (move_by_pieces_ninsns): Likewise. + (can_store_by_pieces): Likewise. + (store_by_pieces_1): Likewise. + (emit_move_via_integer): Likewise. + (emit_move_complex): Likewise. + (emit_move_ccmode): Likewise. + (emit_move_insn_1): Likewise. + (emit_single_push_insn): Likewise. + (store_constructor): Likewise. + (expand_expr_real_1): Likewise. + (do_store_flag): Likewise. + * ada/misc.c (gnat_compute_largest_alignment): Likewise. + (enumerate_modes): Likewise. + * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise. + (supportable_widening_operation): Likewise. + (supportable_narrowing_operation): Likewise. + * expmed.c (store_bit_field_1): Likewise. + (extract_bit_field_1): Likewise. + (expand_mult_highpart_optab): Likewise. + (expand_smod_pow2): Likewise. + (expand_divmod): Likewise. + (emit_store_flag): Likewise. + * tree-vect-patterns.c + (vect_pattern_recog_1): Likewise. + * tree-ssa-loop-prefetch.c + (nontemporal_store_p): Likewise. + * tree-vect-transform.c (vect_model_reduction_cost): Likewise. + (vect_create_epilog_for_reduction): Likewise. + (vectorizable_reduction): Likewise. + (vectorizable_operation): Likewise. + (vect_strided_store_supported): Likewise. + (vectorizable_store): Likewise. + (vect_strided_load_supported): Likewise. + (vectorizable_load): Likewise. + * combine.c (simplify_comparison): Likewise. + * tree-vect-generic.c + (type_for_widest_vector_mode): Likewise. + (expand_vector_operations_1): Likewise. + * config/spu/spu.c (spu_expand_mov): Likewise. + (spu_emit_vector_compare): Likewise. + * config/rs6000/rs6000.c + (rs6000_emit_vector_compare): Likewise. + * stmt.c (add_case_node): Likewise. + * reload1.c (gen_reload): + +2007-08-09 Michael Matz <matz@suse.de> + + * tree.h (fixed_zerop): Declare as taking a const_tree. + * tree.c (fixed_zerop): Take a const_tree. + +2007-08-09 Ira Rosen <irar@il.ibm.com> + + * tree-vect-transform.c (vectorizable_store): Remove call to + copy_virtual_operands() and call mark_symbols_for_renaming() for + the created vector store. + (vect_setup_realignment): Don't call copy_virtual_operands() and + update_vuses_to_preheader(). + (vectorizable_load): Don't call copy_virtual_operands(). + (update_vuses_to_preheader): Remove. + +2007-08-08 Chao-ying Fu <fu@mips.com> + + * tree.def (FIXED_POINT_TYPE): New type. + (FIXED_CST): New constant. + (FIXED_CONVERT_EXPR): New expr. + * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE. + (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR. + * tree.h (struct tree_base): Add saturating_flag. + Remove one bit of spare for saturating_flag. + (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE. + (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P, + FIXED_POINT_TYPE_P): Define. + (TYPE_SATURATING): Define. + (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define. + (struct tree_fixed_cst): New. + (TYPE_IBIT, TYPE_FBIT): Define. + (tree_node): Add fixed_cst. + (enum tree_index): Add new enumeration values of + TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE, + TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE, + TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE, + TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE, + TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE, + TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE, + TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE, + TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE, + TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE, + TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE, + TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE, + TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE, + TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE, + TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE, + TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE, + TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE, + TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE, + TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE. + (sat_short_fract_type_node, sat_fract_type_node, + sat_long_fract_type_node, sat_long_long_fract_type_node, + sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node, + sat_unsigned_long_fract_type_node, + sat_unsigned_long_long_fract_type_node, short_fract_type_node, + fract_type_node, long_fract_type_node, long_long_fract_type_node, + unsigned_short_fract_type_node, unsigned_fract_type_node, + unsigned_long_fract_type_node, unsigned_long_long_fract_type_node, + sat_short_accum_type_node, sat_accum_type_node, + sat_long_accum_type_node, sat_long_long_accum_type_node, + sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node, + sat_unsigned_long_accum_type_node, + sat_unsigned_long_long_accum_type_node, short_accum_type_node, + accum_type_node, long_accum_type_node, long_long_accum_type_node, + unsigned_short_accum_type_node, unsigned_accum_type_node, + unsigned_long_accum_type_node, unsigned_long_long_accum_type_node, + qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node, + uqq_type_node, uhq_type_node, usq_type_node, udq_type_node, + utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node, + sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node, + sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node, + sat_utq_type_node, ha_type_node, sa_type_node, da_type_node, + ta_type_node, uha_type_node, usa_type_node, uda_type_node, + uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node, + sat_ta_type_node, sat_uha_type_node, sat_usa_type_node, + sat_uda_type_node, sat_uta_type_node): New macro. + (make_fract_type, make_accum_type): Declare. + (make_signed_fract_type, make_unsigned_fract_type, + make_sat_signed_fract_type, make_sat_unsigned_fract_type, + make_signed_accum_type, make_unsigned_accum_type, + make_sat_signed_accum_type, make_sat_unsigned_accum_type, + make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type, + make_or_reuse_sat_signed_fract_type, + make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type, + make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type, + make_or_reuse_sat_unsigned_accum_type): New macro. + (fixed_zerop): Declare. + * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE, + LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE, + SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE, + LONG_LONG_ACCUM_TYPE_SIZE): Define. + * treestruct.def: Add TS_FIXED_CST. + * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h. + (tree.o): Likewise. + (tree-dump.o): Likewise. + (print-tree.o): Likewise. + (tree-pretty-print.o): Likewise. + (fold-const.o): Likewise. + * tree-complex.c (some_nonzerop): Handle FIXED_CST. + * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST. + (is_gimple_min_invariant): Handle FIXED_CST. + * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT, + MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, + MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. + (layout_type): Handle FIXED_POINT_TYPE. + (make_fract_type, make_accum_type): New functions. + * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE. + * tree-dump.c (fixed-value.h): New include. + (dump_fixed): New function. + (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST. + * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE. + (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR. + * tree-pretty-print.c (fixed-value.h): New include. + (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and + FIXED_CONVERT_EXPR. + * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST. + * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST. + * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST. + * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation + for non-saturating fixed-point types. + (reassociate_bb): Likewise. + * emit-rtl.c (fixed-value.h): New include. + (fconst0, fconst1): New array. + (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes. + * tree-vect-generic.c expand_vector_operation): Support + MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and + MODE_VECTOR_UACCUM. + (type_for_widest_vector_mode): Add one parameter for the + saturating flag. + Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their + vector mode. + Pass the satp parameter to type_for_mode for fixed-point types. + (expand_vector_operations_1): Pass the saturating flag to + type_for_widest_vector_mode. + Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, + and MODE_VECTOR_UACCUM. + * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST. + (vectorizable_condition): Likewise. + * tree.c (fixed-value.h): New include. + (tree_code_size): Support FIXED_CST. + (build_fixed): New function. + (build_one_cst): Support FIXED_POINT_TYPE for accum types. + (fixed_zerop): New function. + (tree_node_structure): Support FIXED_CST. + (type_contains_placeholder_1): Support FIXED_POINT_TYPE. + (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE. + (type_hash_eq): Handle FIXED_POINT_TYPE. + (simple_cst_equal): Support FIXED_CST. + (iterative_hash_expr): Handle FIXED_CST. + (get_unwidened): Make sure type is not FIXED_POINT_TYPE. + (get_narrower): Likewise. + (variably_modified_type_p): Handle FIXED_POINT_TYPE. + (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions. + (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and + MAKE_FIXED_MODE_NODE macros to initialize fixed-point type + nodes. + (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT, + MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. + (initializer_zerop): Support FIXED_CST. + (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE. + * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or + DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE. + (is_base_type): Handle FIXED_POINT_TYPE. + (add_type_attribute): Handle FIXED_POINT_TYPE. + (gen_type_die_with_usage): Handle FIXED_POINT_TYPE. + * print-tree.c (fixed-value.h): New include. + (print_node_brief): Support FIXED_CST. + (print_node): Support FIXED_POINT_TYPE and FIXED_CST. + * c-pretty-print.c (fixed-value.h): New include. + (pp_c_type_specifier): Handle FIXED_POINT_TYPE. Need to pass + TYPE_SATURATING to c_common_type_for_mode for fixed-point modes. + (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE. + Support fixed-point types for inner items in VECTOR_TYPE. + (pp_c_direct_declarator): Likewise. + (pp_c_declarator): Likewise. + (pp_c_fixed_constant): New function. + (pp_c_constant): Handle FIXED_CST. + (pp_c_primary_expression): Likewise. + (pp_c_expression): Likewise. + * fold-const.c (fixed-value.h): New include. + (negate_expr_p): Return true for FIXED_CST. + (fold_negate_expr): Support FIXED_CST. + (split_tree): Support FIXED_CST. + (const_binop): Support FIXED_CST. + (fold_convert_const_int_from_fixed): New function to convert from + fixed to int. + (fold_convert_const_real_from_fixed): New function to convert from + fixed to real. + (fold_convert_const_fixed_from_fixed): New function to convert from + fixed to another fixed. + (fold_convert_const_fixed_from_int): New function to convert from + int to fixed. + (fold_convert_const_fixed_from_real): New function to convert from + real to fixed. + (fold_convert_const): Support conversions from fixed to int, from + fixed to real, from fixed to fixed, from int to fixed, and from real + to fixed. + (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE. + (operand_equal_p): Support FIXED_CST. + (make_range): For fixed-point modes, we need to pass the + saturating flag as the 2nd parameter. + (tree_swap_operands_p): Handle FIXED_CST. + (fold_plusminus_mult_expr): For fract modes, we cannot generate + constant 1. + (fold_unary): Support FIXED_CONVERT_EXPR. + (fold_binary): Handle FIXED_CST. + Make sure the type is not saturating, before associating operations. + Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2). + (tree_expr_nonnegative_warnv_p): Handle FIXED_CST. + (fold_negate_const): Support FIXED_CST. + (fold_relational_const): Support FIXED_CST. + * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE. + (gimplify_expr): Handle FIXED_CST. + (gimplify_type_sizes): Handle FIXED_POINT_TYPE. + * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST. + * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE. + * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE, + FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE, + SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE, + LONG_LONG_ACCUM_TYPE_SIZE. + * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE. + * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE. + * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE. + * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT, + MODE_ACCUM, and MODE_UACCUM. + * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating + fixed-point types to disable reduction. + * explow.c (promote_mode): Support FIXED_POINT_TYPE. + +2007-08-08 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/x-rs6000: New file. + * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu. + * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu. + (EXTRA_SPEC_FUNCTIONS): Define. + (HAVE_LOCAL_CPU_DETECT): Define. + (CC1_CPU_SPEC): Define. + * config/rs6000/driver-rs6000.c: New file. + * config/rs6000/aix.h (CC1_SPEC): Define. + * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu. + * config.host: Add x-rs6000 to host_xmake_file if host and target + are rs6000 or powerpc. + +2007-08-08 Paolo Bonzini <paolo.bonzini@lu.unisi.ch> + + * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=. + +2007-08-08 Richard Sandiford <richard@codesourcery.com> + Sandra Loosemore <sandra@codesourcery.com> + Chao-ying Fu <fu@mips.com> + Nigel Stephens <nigel@mips.com> + David Ung <davidu@mips.com> + + * doc/invoke.texi (-mcode-readable): Document. + * config/mips/mips.opt (mcode-readable): New option. + * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type. + * config/mips/mips.h (mips_code_readable_setting): New enum. + (mips_code_readable): Declare. + (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros. + (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro. + (JUMP_TABLES_IN_TEXT_SECTION): Use it. + (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise. Remove + boiler-plate comments. + (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES. + * config/mips/mips.c (mips_code_readable): New variable. + (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for + MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES. Use both the + context and -mcode-readable setting to restrict the use of + SYMBOL_PC_RELATIVE for MIPS16 constant pool references. + Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed. + (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH. + (mips_blocks_for_constant_p): Only return false for + TARGET_MIPS16_PCREL_LOADS. + (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions + for MIPS16. Handle SYMBOL_32_HIGH. + (mips_const_insns): Allow HIGHs for MIPS16 too. + (mips_unspec_address_offset): New function, split out from... + (mips_unspec_address): ...here. + (mips_output_move): Handle MIPS16 HIGH moves. Use "li" to load + 16-bit symbolic constants. Assert approropiate conditions for + using the "la" and "dla" macros. + (mips_handle_option): Handle -mcode-readable=. + (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too. + Set up mips_lo_relocs[SYMBOL_32_HIGH]. + (mips_strip_unspec_address): New function, split out from... + (print_operand_reloc): ...here. + (print_operand): Pass constants through mips_strip_unspec_address. + (print_operand_address): Likewise. + (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants. + (mips_select_rtx_section): Remove MIPS16 handling. + (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl. + (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC. + (mips16_lay_out_constants): Do nothing unless + TARGET_MIPS16_PCREL_LOADS. + (mips_avoid_hazards): Remove guard of mips16_lay_out_constants. + * config/mips/mips.md: Split HIGHs for MIPS16. + (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES. + +2007-08-08 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips-protos.h (mips_emit_move): Declare. + * config/mips/mips.c (mips_emit_move): New function. + (mips_force_temporary): Use mips_emit_move instead of emit_move_insn. + (mips_legitimize_const_move): Likewise. + (mips_legitimize_move): Likewise. + (mips_split_64bit_move): Likewise. + (mips_restore_gp): Likewise. + (mips_load_call_address): Likewise. + (mips_emit_fcc_reload): Likewise. + (mips_set_return_address): Likewise. + (mips_block_move_straight): Likewise. + (mips_block_move_loop): Likewise. + (mips_setup_incoming_varargs): Likewise. + (mips_save_reg): Likewise. + (mips_expand_prologue): Likewise. + (mips_restore_reg): Likewise. + (mips_expand_epilogue): Likewise. + (mips_output_mi_thunk): Likewise. + (build_mips16_call_stub): Likewise. + (mips_builtin_branch_and_move): Likewise. + * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise. + * config/mips/mips.md (fixuns_truncdfsi2): Likewise. + (fixuns_truncdfdi2): Likewise. + (fixuns_truncsfsi2): Likewise. + (fixuns_truncsfdi2): Likewise. + (loadgp_absolute): Likewise. + (builtin_setjmp_setup): Likewise. + (builtin_longjmp): Likewise. + (untyped_call): Likewise. + +2007-08-08 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips-protos.h (mips_split_symbol): Add a mode and + an "rtx *" argument. Return a bool. + * config/mips/mips.c (mips_split_symbol): Accept arbitrary source + values and return true if they can be split. Take the same kind of + mode argument as mips_symbol_insns. Add a "lo_sum_out" parameter + and store the lo_sum there if nonnull. Use the symbol type to + determine whether a $gp or HIGH is needed. + (mips_legitimize_address): Update call to mips_split_symbol and + simplify accordingly. + (mips_legitimize_const_move): Likewise. + * config/mips/mips.md: In the combine define_split, + check mips_split_symbol instead of splittable_symbolic_operand. + Update use of mips_split_symbol in the generator code. + * config/mips/predicates.md (splittable_symbolic_operand): Delete. + +2007-08-08 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (mips_symbolic_address_p): Delete. + (mips_symbol_insns_1): New function, split out from... + (mips_symbol_insns): ...here. Take a mode argument. Treat loads + and stores separately from load addresses. + (mips_classify_address): Replace uses of mips_symbolic_address_p + with uses of mips_symbol_insns. + (mips_address_insns): Update calls to mips_symbol_insns. + (mips_const_insns): Likewise. + (mips_legitimize_address): Likewise. + +2007-08-08 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type. + * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS + block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS. + Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for + non-call contexts if TARGET_MIPS16. + (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM. + (mips_symbolic_address_p): Likewise. Remove special TARGET_MIPS16 + code for SYMBOL_ABSOLUTE. + (mips_symbol_insns): Likewise. + +2007-08-08 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips-protos.h (mips_symbol_context): New enumeration. + * config/mips/mips.c (mips_classify_symbol): Take a context argument. + (mips_symbolic_constant_p): Likewise. Update the call to + mips_classify_symbol. + (mips_classify_address): Update the calls to mips_symbolic_constant_p. + (mips_const_insns): Likewise. Update the call to mips_classify_symbol. + (mips_legitimize_address): Update the call to mips_symbolic_constant_p. + (print_operand_reloc): Add a context argument. Update the call to + mips_symbolic_constant_p. + (print_operand): Update the calls to print_operand_reloc. + (print_operand_address): Use print_operand_reloc rather than + print_operand. + (mips_rewrite_small_data_p): Add a context argument. Update the call + to mips_symbolic_constant_p. + (mips_small_data_pattern_1): Make DATA the containing mem. + Update the call to mips_rewrite_small_data_p. + (mips_rewrite_small_data_1): Likewise. + (mips_use_anchors_for_symbol_p): Update the call to + mips_symbolic_constant_p. + * config/mips/predicates.md (const_call_insn_operand): Likewise. + (splittable_symbolic_operand): Likewise. + (move_operand): Likewise. + (absolute_symbolic_operand): Likewise. + (got_disp_operand): Likewise. + (got_page_ofst_operand): Likewise. + +2007-08-08 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to... + (SYMBOL_ABSOLUTE): ...this. + (SYMBOL_SMALL_DATA): Rename to... + (SYMBOL_GP_RELATIVE): ...this. + (SYMBOL_CONSTANT_POOL): Rename to... + (SYMBOL_PC_RELATIVE): ...this. + * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p) + (mips_symbolic_address_p, mips_symbol_insns, override_options) + (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update + after above changes. + * config/mips/predicates.md (const_call_insn_operand): Likewise. + (general_symbolic_operand): Rename to... + (absolute_symbolic_operand): ...this. + * config/mips/mips.md: Update after above changes. + +2007-08-08 Vladimir Yanovsky <yanov@il.ibm.com> + Revital Eres <eres@il.ibm.com> + + * ddg.c (print_ddg): Add dump information. + * modulo-sched.c (print_node_sched_params): Add parameter and + verbosity. + (calculate_maxii): Remove function. + (undo_generate_reg_moves): Likewise. + (undo_permute_partial_schedule): Likewise. + (kernel_number_of_cycles): Likewise. + (MAXII_FACTOR): New definition to calculate the upper bound of II. + (sms_schedule): Use it. Remove profitability checks. + (sms_schedule_by_order): Fix order of nodes within the cycle. + +2007-08-08 Samuel Thibault <samuel.thibault@ens-lyon.org> + + * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add + -profile option, add pie support. + (ENDFILE_SPEC): New spec. + * config/gnu.h (LIB_SPEC): Add -profile option. + +2007-08-08 Samuel Thibault <samuel.thibault@ens-lyon.org> + + * config/i386/gnu.h (CPP_SPEC): Add -pthread option. + * config/gnu.h (LIB_SPEC): Likewise. + +2007-08-07 Yaz Saito <saito@google.com> + Ian Lance Taylor <iant@google.com> + + * common.opt (finstrument-functions-exclude-function-list): New + option. + (finstrument-functions-exclude-file-list): New option. + * opts.c (char_p): Define and DEF_VEC. + (flag_instrument_functions_exclude_functions): New static + variable. + (flag_instrument_functions_exclude_files): New static variable. + (add_instrument_functions_exclude_list): New static function. + (flag_instrument_functions_exclude_p): New function. + (common_handle_option): Handle new options. + * flags.h (flag_instrument_functions_exclude_p): Declare. + * gimplify.c (gimplify_function_tree): Call + flag_instrument_functions_exclude_p. + * doc/invoke.texi (Option Summary): Mention new options. + (Code Gen Options): Document new options. + +2007-08-07 Ian Lance Taylor <iant@google.com> + + PR rtl-optimization/32776 + * lower-subreg.c (resolve_clobber): Call resolve_reg_notes. + (resolve_use): Likewise. + (decompose_multiword_subregs): Remove "changed" local variable. + +2007-08-07 Carlos O'Donell <carlos@codesourcery.com> + + * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes. + * configure: Regenerate. + * config.in: Regenerate. + * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options + spec string. + +2007-08-07 Ian Lance Taylor <iant@google.com> + + * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL + note, just delete the insn. + +2007-08-07 Andreas Schwab <schwab@suse.de> + + PR bootstrap/32973 + * gengtype-lex.l: Ignore backslash/newline pair while scanning a + struct definition. + +2007-08-07 Andreas Krebbel <krebbel1@de.ibm.com> + + * lower-subreg.c (resolve_subreg_use): Remove assertion. + (find_decomposable_shift_zext, resolve_shift_zext): New functions. + (decompose_multiword_subregs): Use the functions above to decompose + multiword shifts and zero-extends. + +2007-08-07 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * doc/sourcebuild.texi (Test Directives): Fix "compile" and + "assemble" descriptions which were swapped. + +2007-08-06 Chao-ying Fu <fu@mips.com> + + * fixed-value.h: New file. + * fixed-value.c: New file. + * Makefile.in (OBJS-common): Add fixed-value.o. + (fixed-value.o): New rule. + (GTFILES): Add fixed-value.h. + * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT + to compare a.low and b.low. + * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef. + +2007-08-06 H.J. Lu <hongjiu.lu@intel.com> + Daniel Jacobowitz <dan@codesourcery.com> + + PR target/31868 + * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to + tmake_file. + (x86_64-*-netbsd*): Likewise. + (x86_64-*-linux*): Likewise. + (x86_64-*-kfreebsd*-gnu): Likewise. + (x86_64-*-knetbsd*-gnu): Likewise. + (i[34567]86-*-solaris2.1[0-9]*): Likewise. + + * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed. + + * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments. + Add -fno-asynchronous-unwind-tables. + + * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS). + * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise. + * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise. + * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise. + * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise. + +2007-08-06 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.c (ia64_c_mode_for_suffix): New. + (TARGET_C_MODE_FOR_SUFFIX): New. + +2007-08-06 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'. + +2007-08-06 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo. + +2007-08-06 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.md: Check TARGET_ macros and optimize_size + before checking function returns in conditional expressions. + +2007-08-06 Alfred Minarik <a.minarik@aon.at> + + PR pch/13676 + * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header. + +2008-08-05 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/32988 + * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check + for INTEGRAL_TYPE_P. + +2008-08-05 Paolo Bonzini <bonzini@gnu.org> + + * configure.ac: Remove --enable-checking=df from default settings. + * tree-pass.h (TODO_df_verify): New. Shift TODO_mark_first_instance. + * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification + if the parameter is true. + (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the + DF_VERIFY_SCHEDULED flag is true. + * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED. + (df_finish_pass): Adjust prototype. + * passes.c (execute_todo): Schedule verification if TODO_df_verify is + true. + + * see.c (pass_see): Add TODO_df_verify. + * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify. + * global.c (rest_of_handle_global_alloc): Schedule verification + after the pass. + * local-alloc.c (rest_of_handle_local_alloc): Schedule verification + before the pass. + * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify. + * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass. + * loop-iv.c (iv_analysis_done): Schedule verification after the pass. + + * config/sh/sh.c (sh_output_mi_thunk): Remove dead code. + * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass. + * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass. + +2007-08-05 Vladimir Yanovsky <yanov@il.ibm.com> + Revital Eres <eres@il.ibm.com> + + * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new + flag. + * ddg.c (create_ddg_dependence): Rename to... + (create_ddg_dep_from_intra_loop_link): This. Do not check + for interloop edges. Do not create anti dependence edge when + a true dependence edge exists in the opposite direction and + -fmodulo-sched-allow-regmoves is set. + (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link. + (add_cross_iteration_register_deps): Create anti dependence edge + when -fno-modulo-sched-allow-regmoves is set. + * common.opt (-fmodulo-sched-allow-regmoves): New flag. + +2007-08-04 Richard Sandiford <richard@codesourcery.com> + + * config/arm/arm.md (movsi): Add braces. + +2007-08-04 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/32780 + * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of + operands for the folding of "A - (A & B)" into "~B & A"; cast them + to type. + +2007-08-03 Zdenek Dvorak <ook@ucw.cz> + + * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops' + state accessor functions. + * cfgloopmanip.c (remove_path, create_preheaders, + force_single_succ_latches, fix_loop_structure): Ditto. + * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa, + tree_duplicate_loop_to_header_edge): Ditto. + * cfgloopanal.c (mark_irreducible_loops): Ditto. + * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): + Ditto. + * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures, + cleanup_tree_cfg): Ditto. + * tree-cfg.c (tree_merge_blocks): Ditto. + * cfgloop.c (rescan_loop_exit, record_loop_exits, + release_recorded_exits, get_loop_exit_edges, verify_loop_structure, + loop_preheader_edge, single_exit): Ditto. + (flow_loops_find): Do not clear loops->state. + * cfgloop.h (loops_state_satisfies_p, loops_state_set, + loops_state_clear): New functions. + +2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/32399 + * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR + when adding to the base and convert ELT to sizetype instead of type. + +2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/32304 + * ipa-reference.c (has_proper_scope_for_analysis): Return false when + the decl's type has TYPE_NEEDS_CONSTRUCTING set. + +2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/32935 + * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the + correct type the negate expression. + +2007-08-03 Jan Hubicka <jh@suse.cz> + + * config/i386/i386.c (setup_incoming_varargs_64): Tolerate 64bit + preferred stack boundary. + +2007-08-03 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (struct processor_cost): Change + l1_cache_lines to l1_cache_size. Add l2_cache_size. + (*_cost): Convert l1 cache information to kilobytes. Add l2 cache + information. + (rios1_costs, rios2_cost): Correct cache line size. + (rs6000_override_options): Set l2-cache-size parameter. + +2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com> + Diego Novillo <dnovillo@google.com> + + PR 31521 + * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify + if the range includes 0. + +2007-08-03 Ben Elliston <bje@au.ibm.com> + + * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate + mode to unspec expressions to silence a warning from the generator + programs. + +2007-08-02 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/constraints.md ("U"): Make constraint vector only. + +2007-08-02 Nathan Froyd <froydnj@codesourcery.com> + + PR middle-end/25446 + * c-objc-common.c (c_cannot_inline_tree_fn): Check for an + always_inline attribute on the function decl. + +2007-08-02 Nathan Froyd <froydnj@codesourcery.com> + + PR middle-end/25445 + * varasm.c (default_binds_local_p_1): Consult flag_whole_program + if we are compiling with -fPIC. + +2007-08-02 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0): + Define for MIPS32 and MIPS64. + +2007-08-02 Nick Clifton <nickc@redhat.com> + + * config/host-hpux.c: Change copyright header to refer to version + 3 of the GNU General Public License and to point readers at the + COPYING3 file and the FSF's license web page. + * config/alpha/predicates.md, config/alpha/vms-ld.c, + config/alpha/linux.h, config/alpha/alpha.opt, + config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h, + config/alpha/vms-unwind.h, config/alpha/ev4.md, + config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c, + config/alpha/alpha.h, config/alpha/sync.md, + config/alpha/openbsd.h, config/alpha/alpha.md, + config/alpha/alpha-modes.def, config/alpha/ev5.md, + config/alpha/alpha-protos.h, config/alpha/freebsd.h, + config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h, + config/alpha/constraints.md, config/alpha/osf.h, + config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h, + config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h, + config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def, + config/frv/frv-asm.h, config/frv/frv-protos.h, + config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h, + config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h, + config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt, + config/s390/2064.md, config/s390/2084.md, config/s390/s390.md, + config/s390/s390.opt, config/s390/s390-modes.def, + config/s390/fixdfdi.h, config/s390/constraints.md, + config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h, + config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md, + config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md, + config/m32c/m32c-pragma.c, config/m32c/m32c.h, + config/m32c/prologue.md, config/m32c/m32c.abi, + config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md, + config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt, + config/m32c/t-m32c, config/m32c/m32c-modes.def, + config/m32c/jump.md, config/m32c/shift.md, + config/m32c/m32c-protos.h, config/libgloss.h, + config/spu/spu-protos.h, config/spu/predicates.md, + config/spu/spu-builtins.h, config/spu/spu.c, + config/spu/spu-builtins.def, config/spu/spu-builtins.md, + config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md, + config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt, + config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h, + config/sparc/hypersparc.md, config/sparc/predicates.md, + config/sparc/linux.h, config/sparc/sp64-elf.h, + config/sparc/supersparc.md, config/sparc/cypress.md, + config/sparc/openbsd1-64.h, config/sparc/openbsd64.h, + config/sparc/niagara.md, config/sparc/sparc.md, + config/sparc/long-double-switch.opt, config/sparc/ultra3.md, + config/sparc/sparc.opt, config/sparc/sync.md, + config/sparc/sp-elf.h, config/sparc/sparc-protos.h, + config/sparc/ultra1_2.md, config/sparc/biarch64.h, + config/sparc/sparc.c, config/sparc/little-endian.opt, + config/sparc/sysv4-only.h, config/sparc/sparc.h, + config/sparc/linux64.h, config/sparc/freebsd.h, + config/sparc/sol2.h, config/sparc/rtemself.h, + config/sparc/netbsd-elf.h, config/sparc/vxworks.h, + config/sparc/sparc-modes.def, config/sparc/sparclet.md, + config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h, + config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md, + config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt, + config/m32r/linux.h, config/m32r/constraints.md, + config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt, + config/darwin-c.c, config/darwin.opt, config/i386/i386.h, + config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h, + config/i386/i386.md, config/i386/netware-crt0.c, + config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h, + config/i386/kaos-i386.h, config/i386/winnt-stubs.c, + config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h, + config/i386/sol2.h, config/i386/constraints.md, + config/i386/netware-libgcc.c, config/i386/sysv5.h, + config/i386/predicates.md, config/i386/geode.md, + config/i386/x86-64.h, config/i386/kfreebsd-gnu.h, + config/i386/freebsd64.h, config/i386/vxworksae.h, + config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h, + config/i386/rtemself.h, config/i386/netbsd-elf.h, + config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c, + config/i386/netware.h, config/i386/i386-modes.def, + config/i386/sysv4-cpp.h, config/i386/i386-interix.h, + config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h, + config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h, + config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h, + config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md, + config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt, + config/i386/xm-mingw32.h, config/i386/linux64.h, + config/i386/openbsdelf.h, config/i386/xm-cygwin.h, + config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h, + config/i386/winnt-cxx.c, config/i386/i386-interix3.h, + config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c, + config/i386/cygwin2.c, config/i386/i386-protos.h, + config/i386/sync.md, config/i386/openbsd.h, + config/i386/host-mingw32.c, config/i386/i386-aout.h, + config/i386/nto.h, config/i386/biarch64.h, + config/i386/i386-coff.h, config/i386/freebsd.h, + config/i386/driver-i386.c, config/i386/knetbsd-gnu.h, + config/i386/host-i386-darwin.c, config/i386/vxworks.h, + config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h, + config/darwin-protos.h, config/linux.opt, config/sol2.c, + config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h, + config/sh/linux.h, config/sh/elf.h, config/sh/superh.h, + config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h, + config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h, + config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md, + config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h, + config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c, + config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def, + config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md, + config/sh/superh64.h, config/sh/rtemself.h, + config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h, + config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h, + config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c, + config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def, + config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h, + config/avr/predicates.md, config/avr/constraints.md, + config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt, + config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h, + config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h, + config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt, + config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt, + config/c4x/c4x-modes.def, config/c4x/rtems.h, + config/c4x/predicates.md, config/c4x/c4x.h, + config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h, + config/xtensa/predicates.md, config/xtensa/xtensa.c, + config/xtensa/linux.h, config/xtensa/xtensa.h, + config/xtensa/elf.h, config/xtensa/xtensa.md, + config/xtensa/xtensa.opt, config/xtensa/constraints.md, + config/xtensa/xtensa-protos.h, config/dbx.h, + config/stormy16/predicates.md, config/stormy16/stormy16.md, + config/stormy16/stormy16.c, config/stormy16/stormy16.opt, + config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h, + config/host-solaris.c, config/fr30/fr30.h, + config/fr30/predicates.md, config/fr30/fr30-protos.h, + config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt, + config/vxworksae.h, config/sol2-c.c, config/lynx.h, + config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md, + config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c, + config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h, + config/m68hc11/m68hc12.h, config/openbsd-oldgas.h, + config/host-linux.c, config/interix3.h, config/cris/cris.c, + config/cris/predicates.md, config/cris/linux.h, + config/cris/cris.h, config/cris/aout.h, config/cris/cris.md, + config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt, + config/cris/aout.opt, config/cris/cris-protos.h, + config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h, + config/iq2000/iq2000.h, config/iq2000/predicates.md, + config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md, + config/iq2000/iq2000.c, config/iq2000/iq2000.opt, + config/host-darwin.c, config/mt/mt.md, config/mt/mt.c, + config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h, + config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h, + config/chorus.h, config/mn10300/mn10300.c, + config/mn10300/mn10300.opt, config/mn10300/predicates.md, + config/mn10300/mn10300.h, config/mn10300/linux.h, + config/mn10300/constraints.md, config/mn10300/mn10300-protos.h, + config/mn10300/mn10300.md, config/ia64/predicates.md, + config/ia64/itanium1.md, config/ia64/unwind-ia64.h, + config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c, + config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md, + config/ia64/freebsd.h, config/ia64/ia64.md, + config/ia64/ia64-modes.def, config/ia64/constraints.md, + config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h, + config/gofast.h, config/rtems.h, config/sol2-10.h, + config/m68k/predicates.md, config/m68k/m68k.md, + config/m68k/linux.h, config/m68k/m68k-modes.def, + config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h, + config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt, + config/m68k/openbsd.h, config/m68k/m68k-aout.h, + config/m68k/m68k.opt, config/m68k/m68020-elf.h, + config/m68k/m68kelf.h, config/m68k/m68k-devices.def, + config/m68k/uclinux-oldabi.h, config/m68k/m68k.c, + config/m68k/constraints.md, config/m68k/rtemself.h, + config/m68k/netbsd-elf.h, config/m68k/m68k.h, + config/m68k/uclinux.h, config/rs6000/power4.md, + config/rs6000/host-darwin.c, config/rs6000/6xx.md, + config/rs6000/linux.h, config/rs6000/eabi.h, + config/rs6000/aix41.opt, config/rs6000/xcoff.h, + config/rs6000/secureplt.h, config/rs6000/linuxspe.h, + config/rs6000/eabialtivec.h, config/rs6000/8540.md, + config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h, + config/rs6000/windiss.h, config/rs6000/603.md, + config/rs6000/aix41.h, config/rs6000/cell.md, + config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h, + config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt, + config/rs6000/darwin.md, config/rs6000/darwin64.h, + config/rs6000/default64.h, config/rs6000/7xx.md, + config/rs6000/darwin.opt, config/rs6000/spe.md, + config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c, + config/rs6000/rios2.md, config/rs6000/linuxaltivec.h, + config/rs6000/7450.md, config/rs6000/linux64.h, + config/rs6000/constraints.md, config/rs6000/440.md, + config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c, + config/rs6000/rs6000.c, config/rs6000/aix52.h, + config/rs6000/rs6000.h, config/rs6000/power6.md, + config/rs6000/predicates.md, config/rs6000/altivec.md, + config/rs6000/aix64.opt, config/rs6000/rios1.md, + config/rs6000/rs6000-modes.def, config/rs6000/rs64.md, + config/rs6000/eabisim.h, config/rs6000/sysv4le.h, + config/rs6000/darwin7.h, config/rs6000/dfp.md, + config/rs6000/linux64.opt, config/rs6000/sync.md, + config/rs6000/vxworksae.h, config/rs6000/power5.md, + config/rs6000/lynx.h, config/rs6000/biarch64.h, + config/rs6000/rs6000.md, config/rs6000/sysv4.opt, + config/rs6000/eabispe.h, config/rs6000/e500.h, + config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h, + config/rs6000/netbsd.h, config/rs6000/e500-double.h, + config/rs6000/aix.h, config/rs6000/vxworks.h, + config/rs6000/40x.md, config/rs6000/aix51.h, + config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md, + config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def, + config/arc/arc.h, config/mcore/mcore-elf.h, + config/mcore/mcore-protos.h, config/mcore/predicates.md, + config/mcore/mcore.md, config/mcore/mcore.c, + config/mcore/mcore.opt, config/mcore/mcore.h, + config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h, + config/score/predicates.md, config/score/score-version.h, + config/score/score-protos.h, config/score/misc.md, + config/score/elf.h, config/score/score.c, config/score/mac.md, + config/score/score7.md, config/score/score.h, + config/score/score-conv.h, config/score/score-mdaux.c, + config/score/score.md, config/score/score.opt, + config/score/score-modes.def, config/score/score-mdaux.h, + config/score/mul-div.S, config/arm/uclinux-elf.h, + config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md, + config/arm/symbian.h, config/arm/linux-elf.h, + config/arm/arm1026ejs.md, config/arm/arm1136jfs.md, + config/arm/elf.h, config/arm/aout.h, config/arm/arm.c, + config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h, + config/arm/strongarm-pe.h, config/arm/arm.h, + config/arm/cortex-a8-neon.md, config/arm/semiaof.h, + config/arm/cortex-a8.md, config/arm/uclinux-eabi.h, + config/arm/arm-modes.def, config/arm/linux-eabi.h, + config/arm/rtems-elf.h, config/arm/neon-schedgen.ml, + config/arm/arm-cores.def, config/arm/arm-protos.h, + config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h, + config/arm/wince-pe.h, config/arm/neon.md, + config/arm/constraints.md, config/arm/neon.ml, + config/arm/xscale-elf.h, config/arm/strongarm-coff.h, + config/arm/arm.opt, config/arm/arm926ejs.md, + config/arm/predicates.md, config/arm/iwmmxt.md, + config/arm/arm_neon.h, config/arm/unknown-elf.h, + config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt, + config/arm/neon-testgen.ml, config/arm/arm.md, + config/arm/xscale-coff.h, config/arm/pe.c, + config/arm/arm-generic.md, config/arm/pe.h, + config/arm/kaos-strongarm.h, config/arm/freebsd.h, + config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md, + config/arm/strongarm-elf.h, config/arm/cirrus.md, + config/arm/netbsd-elf.h, config/arm/vxworks.h, + config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c, + config/pa/predicates.md, config/pa/pa64-hpux.h, + config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt, + config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h, + config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h, + config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h, + config/pa/pa-hpux10.h, config/pa/pa-hpux11.h, + config/pa/pa-hpux1010.h, config/pa/pa-protos.h, + config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h, + config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h, + config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt, + config/pa/pa64-regs.h, config/pa/pa-modes.def, + config/pa/constraints.md, config/darwin9.h, config/mips/4100.md, + config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h, + config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h, + config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md, + config/mips/7000.md, config/mips/9000.md, config/mips/4600.md, + config/mips/linux64.h, config/mips/elforion.h, + config/mips/constraints.md, config/mips/generic.md, + config/mips/predicates.md, config/mips/4300.md, + config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md, + config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md, + config/mips/5k.md, config/mips/vr4120-div.S, + config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md, + config/mips/mips-protos.h, config/mips/6000.md, + config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h, + config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h, + config/mips/mips-modes.def, config/mips/vr.h, + config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h, + config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h, + config/vax/vax.h, config/vax/elf.h, config/vax/vax.md, + config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def, + config/vax/openbsd1.h, config/vax/netbsd.h, + config/vax/vax-protos.h, config/vax/netbsd-elf.h, + config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h, + config/h8300/rtems.h, config/h8300/predicates.md, + config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h, + config/h8300/h8300.md, config/h8300/h8300.opt, + config/h8300/coff.h, config/h8300/h8300-protos.h, + config/v850/v850.md, config/v850/predicates.md, + config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt, + config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c, + config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h, + config/mmix/mmix.h, config/mmix/predicates.md, + config/mmix/mmix-protos.h, config/mmix/mmix.md, + config/mmix/mmix.c, config/mmix/mmix.opt, + config/mmix/mmix-modes.def, config/bfin/bfin.opt, + config/bfin/rtems.h, config/bfin/bfin-modes.def, + config/bfin/predicates.md, config/bfin/bfin-protos.h, + config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md: + Likewise. + +2007-08-02 Richard Sandiford <richard@codesourcery.com> + + * emit-rtl.c (reset_used_decls): Rename to... + (set_used_decls): ...this. Set the used flag rather than clearing it. + (unshare_all_rtl_again): Update accordingly. Set flags on argument + DECL_RTLs rather than resetting them. + +2007-08-02 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg. + +2007-08-01 Sandra Loosemore <sandra@codesourcery.com> + + * reload.c (find_reloads_address_part): Pass correct MEMREFLOC + argument to find_reloads_address. + +2007-08-01 Daniel Jacobowitz <dan@codesourcery.com> + + PR tree-optimization/32919 + * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs. + * tree-ssa-coalesce.c (ssa_conflicts_dump): New. + (coalesce_ssa_name): Call it. + +2007-08-01 Sandra Loosemore <sandra@codesourcery.com> + David Ung <davidu@mips.com> + + * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New. + (__mips16_unorddf2, __mips16_floatunsidf): New. + * config/mips/mips.c (mips_init_libfuncs): Add optab entries for + above functions. + * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions. + +2007-08-01 Zdenek Dvorak <ook@ucw.cz> + + * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH. + Display new operands of OMP_SECTIONS and OMP_CONTINUE. + * tree.h (OMP_SECTIONS_CONTROL): New macro. + (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH. + * omp-low.c (get_ws_args_for, determine_parallel_type, + expand_omp_for_generic, expand_omp_for_static_nochunk, + expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections): + Work with more precise CFG. + (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH. + (lower_omp_sections): Emit OMP_SECTIONS_SWITCH. Add arguments to + OMP_CONTINUE. + * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH. + * gimple-low.c (lower_stmt): Ditto. + * tree-inline.c (estimate_num_insns_1): Ditto. + * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands. + (OMP_SECTIONS_SWITCH): New. + * tree-cfgcleanup.c (cleanup_omp_return): New. + (cleanup_tree_cfg_bb): Call cleanup_omp_return. + * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE + and exit edge for OMP_FOR. Handle OMP_SECTIONS_SWITCH. + (tree_redirect_edge_and_branch): Handle omp constructs. + + * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS + with three arguments. + +2007-08-01 Zdenek Dvorak <ook@ucw.cz> + + * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only + in loop closed ssa. + +2007-08-01 Zdenek Dvorak <ook@ucw.cz> + + * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that + the loop structures may need fixing. + * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures): + New functions. + (cleanup_tree_cfg_loop): Removed. + (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures. + * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg + instead of running cleanup_tree_cfg_loop. + * cfgloop.h (LOOPS_NEED_FIXUP): New constant. + * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed. + (tree_predictive_commoning): Declaration changed. + * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop. + +2007-08-01 Zdenek Dvorak <ook@ucw.cz> + + * doc/invoke.texi (l1-cache-size): Update documentation. + (l2-cache-size): Document. + * params.h (L2_CACHE_SIZE): New macro. + * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect + that L1_CACHE_SIZE is in kB now. + (L2_CACHE_SIZE_BYTES): New macro. + (tree_ssa_prefetch_arrays): Show size in kB. + * config/i386/i386.h (struct processor_costs): Add l1_cache_size + and l2_cache_size fields. + * config/i386/driver-i386.c (describe_cache): Detect cache size + in kB. + * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost, + pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost, + amdfam10_cost, pentium4_cost, nocona_cost, core2_cost, + generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size. + (override_options): Set l1-cache-size and l2-cache-size to default + values if not specified otherwise. + * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB. + (PARAM_L2_CACHE_SIZE): New. + +2007-08-01 Nigel Stephens <nigel@mips.com> + David Ung <davidu@mips.com> + Thiemo Seufer <ths@mips.com> + Chris Dearman <chris@mips.com> + Richard Sandiford <richard@codesourcery.com> + + * config.gcc (mips*-sde-elf*): New stanza. + (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*) + (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*) + (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*) + (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*) + (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss) + (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16 + to tmake_file. + * config/mips/sde.h: New file. + * config/mips/t-libgcc-mips16: Likewise. + * config/mips/t-sde: Likewise. + * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings + of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR, + _MIPS_FPSET and _MIPS_SZINT. + * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise. + * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate + insertion of a default -mips option. Use MIPS_32BIT_OPTION_SPEC. + * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete. + * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise. + * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise. + * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32, + _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG, + _MIPS_SZPTR and _MIPS_FPSET. + (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no + architecture is specified. + (MIPS_32BIT_OPTION_SPEC): New macro. + +2007-07-31 Dan Hipschman <dsh@google.com> + + * gcc.c (end_going_arg): New function. + (do_spec_2): Use it. + (do_spec_1): Use it. + +2007-07-31 H.J. Lu <hongjiu.lu@intel.com> + + * ddg.c (add_cross_iteration_register_deps): Declare bb_info + only if ENABLE_CHECKING is defined. + +2007-07-31 Kenneth Zadeck <zadeck@naturalbridge.com> + + * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru, + df_ru_add_problem, df_ru_get_bb_info): Removed. + (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered. + * df-problems.c (df_ru_problem_data, df_ru_set_bb_info, + df_ru_free_bb_info, df_ru_alloc, + df_ru_bb_local_compute_process_def, + df_ru_bb_local_compute_process_use, df_ru_bb_local_compute, + df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n, + df_ru_transfer_function, df_ru_free, df_ru_start_dump, + df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU, + df_ru_add_problem): Removed. + +2007-07-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/32847 + * pa.md (casesi32): Use match_scratch. Revise insn condition. + (casesi32p, casesi64p): Likewise. + (casesi): Adjust for above. + +2007-07-31 Richard Sandiford <richard@codesourcery.com> + + * mode-switching.c (create_pre_exit): Don't search past calls. + +2007-07-31 Sandra Loosemore <sandra@codesourcery.com> + + * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test. + +2007-07-31 Revital Eres <eres@il.ibm.com> + + * ddg.c (add_deps_for_def): Rename to... + (add_cross_iteration_register_deps): This. Change implementation + to use only reaching def and def-use chains to construct the + inter loop dependencies. + (add_deps_for_use): Remove function. + (build_inter_loop_deps): Call add_cross_iteration_register_deps + function to build the inter loop dependencies. + * modulo-sched.c (sms_schedule): Build only + reaching def and def-use chains for the propose of the ddg + construction. + +2007-07-31 Julian Brown <julian@codesourcery.com> + + * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal): + New define_insns. Use correct RTL. + (vec_set<mode>): Write as expander. + +2007-07-31 Razya Ladelsky <razya@il.ibm.com> + + * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring + to an unallocated space. + +2007-07-30 Jan Sjodin <jan.sjodin@amd.com> + + * tree-data-ref.c + (split_constant_offset): Enable split_constant_offset to extract + constants from other statements. + * tree-vect-transform.c + (vect_create_addr_base_for_vector_ref): Generate data_ref_base + to a temp var. Force base_offset to be simple. + +2007-07-30 Seongbae Park <seongbae.park@gmail.com> + + * df-scan.c (df_scan_verify): Remove artificial limit on + the number of blocks for verification. + * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs, + df_simulate_defs): Avoid unnecessary insn checking for defs. + +2007-07-29 Mark Mitchell <mark@codesourcery.com> + + * config/m68k/lb1sf68.asm (FUNC): New macro. + (__mulsi3): Use it. + (__udivsi3): Likewise. + (__divsi3): Likewise. + (__umodsi3): Likewise. + (__modsi3): Likewise. + (__subdf3): Likewise. + (__adddf3): Likewise. + (__muldf3): Likewise. + (__divdf3): Likewise. + (__negdf2): Likewise. + (__cmpdf2): Likewise. + (__subsf3): Likewise. + (__addsf3): Likewise. + (__mulsf3): Likewise. + (__divsf3): Likewise. + (__negsf2): Likewise. + (__cmpsf2): Likewise. + (__eqdf2): Likewise. + (__nedf2): Likewise. + (__gtdf2): Likewise. + (__gedf2): Likewise. + (__ltdf2): Likewise. + (__ledf2): Likewise. + (__eqsf2): Likewise. + (__nesf2): Likewise. + (__gtsf2): Likewise. + (__gesf2): Likewise. + (__ltsf2): Likewise. + (__lesf2): Likewise. + +2007-07-30 Ollie Wild <aaw@google.com> + + * c-ppoutput.c (print_lines_directives_only): New function. + (scan_translation_unit_directives_only): New function. + (preprocess_file): Add call to scan_translation_unit_directives_only. + * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only. + (sanitize_cpp_opts): Add default flag_dump_macros setting for + -fdirectives-only. Add errors for -fdirectives-only conflict with + -Wunused-macros and -traditional. + (finish_options): Add builtin macro initialization for + -fdirectives-only + -fpreprocessed. + * c.opt (fdirectives-only): New. + * doc/cppopts.texi (fdirectives-only): New. + +2007-07-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alias.c (record_set, memory_modified_1): Constify. + * bt-load.c (note_btr_set): Likewise. + * caller-save.c (mark_set_regs, add_stored_regs): Likewise. + * combine.c (set_nonzero_bits_and_sign_copies, + expand_field_assignment, record_dead_and_set_regs_1, + use_crosses_set_p, reg_dead_at_p_1, can_combine_p, + likely_spilled_retval_1): Likewise. + * config/frv/frv.c (frv_registers_update_1, frv_io_check_address, + frv_io_handle_set): Likewise. + * config/mips/mips.c (mips_sim_record_set, + vr4130_true_reg_dependence_p_1): Likewise. + * config/mt/mt.c (insn_dependent_p_1): Likewise. + * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise. + * config/sh/sh.c (flow_dependent_p_1): Likewise. + * cselib.c (cselib_invalidate_rtx_note_stores): Likewise. + * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise. + * ddg.c (mark_mem_store): Likewise. + * df-problems.c (df_urec_mark_reg_change): Likewise. + * function.c (update_epilogue_consts): Likewise. + * gcse.c (record_set_info, record_last_set_info, + mems_conflict_for_gcse_p, canon_list_insert, reg_set_info, + reg_clear_last_set): Likewise. + * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live): + Likewise. + * jump.c (reversed_comparison_code_parts): Likewise. + * local-alloc.c (validate_equiv_mem_from_store, no_equiv, + reg_is_set): Likewise. + * loop-iv.c (mark_altered): Likewise. + * mode-switching.c (reg_becomes_live): Likewise. + * optabs.c (no_conflict_move_test): Likewise. + * postreload-gcse.c (record_last_set_info, find_mem_conflicts): + Likewise. + * postreload.c (reload_combine_note_store, move2add_note_store): + Likewise. + * regmove.c (flags_set_1): Likewise. + * regrename.c (note_sets, kill_clobbered_value, kill_set_value): + Likewise. + * reload1.c (mark_not_eliminable, forget_old_reloads_1): + Likewise. + * resource.c (update_live_status): Likewise. + * rtl.h (set_of, note_stores): Likewise. + * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of, + note_stores, parms_set): Likewise. + * sched-rgn.c (sets_likely_spilled_1): Likewise. + * stack-ptr-mod.c (notice_stack_pointer_modification_1): + Likewise. + * var-tracking.c (count_stores, add_stores): Likewise. + +2007-07-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alias.c (mems_in_disjoint_alias_sets_p, + fixed_scalar_and_varying_struct_p, aliases_everything_p, + nonoverlapping_component_refs_p, nonoverlapping_memrefs_p, + write_dependence_p, mems_in_disjoint_alias_sets_p, + read_dependence, true_dependence, canon_true_dependence, + anti_dependence, output_dependence): Constify. + * combine.c (extended_count): Likewise. + * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise. + * cselib.c (get_value_hash, references_value_p, + cselib_reg_set_mode, cselib_rtx_varies_p): Likewise. + * cselib.h (cselib_reg_set_mode, references_value_p): Likewise. + * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise. + * function.c (contains, prologue_epilogue_contains, + sibcall_epilogue_contains): Likewise. + * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p, + pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p, + only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum, + reg_or_subregno): Likewise. + * recog.c (asm_noperands): Likewise. + * reload1.c (function_invariant_p): Likewise. + * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p, + rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx, + condjump_p, any_condjump_p, any_uncondjump_p, pc_set, + simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p, + true_regnum, reg_or_subregno, condjump_in_parallel_p, + extended_count, prologue_epilogue_contains, + sibcall_epilogue_contains, function_invariant_p, true_dependence, + canon_true_dependence, read_dependence, anti_dependence, + output_dependence): Likewise. + * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise. + +2007-07-30 Julian Brown <julian@codesourcery.com> + + * config/arm/neon.md (V_ext): New mode attribute. + (neon_vget_lane<mode>): Replace with define_expand. + (neon_vget_lane<mode>_sext_internal) + (neon_vget_lane<mode>_zext_internal): New define_insns for double + and quad precision vectors. + (neon_vget_lanedi): Add bounds check. Remove dead comment. + * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics + have typeless 32-bit result. + +2007-07-30 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR tree-opt/32527 + * tree-affine.h (aff_tree): The type of rest is sizetype for types + of pointers. + * tree-affine.c (aff_combination_scale): If type is a pointer type, + use sizetype for rest. + (aff_combination_add_elt): Likewise. Don't specialize pointer types. + (aff_combination_convert): Don't convert rest for pointer types. + +2007-07-28 Daniel Berlin <dberlin@dberlin.org> + + * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h + + * tree-ssa-alias.c: Add alloc-pool.h. + (init_alias_info): Free alias_bitmap_obstack. + (delete_alias_info): Call delete_mem_ref_stats. + (get_mem_sym_stats_for): Use alloc_pool. + (init_mem_ref_stats): Do not delete mem_ref_stats here. + (delete_mem_sym_stats): Removed. + +2007-07-29 Sebastian Pop <sebpop@gmail.com> + + * tree-data-ref.c (add_multivariate_self_dist): Parametric access + functions cannot be represented as classical distance vectors. + +2007-07-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * attribs.c (hash_attr, eq_attr, init_attributes): Constify. + * builtins.c (validate_arg, builtin_mathfn_code, + validate_arglist): Likewise. + * calls.c (call_expr_flags): Likewise. + * combine.c (reg_nonzero_bits_for_combine, + reg_num_sign_bit_copies_for_combine, get_last_value, + reg_truncated_to_mode): Likewise. + * emit-rtl.c (subreg_lowpart_p): Likewise. + * expr.c (highest_pow2_factor_for_target, + categorize_ctor_elements_1, categorize_ctor_elements, + count_type_elements, contains_packed_reference, + highest_pow2_factor, highest_pow2_factor_for_target): Likewise. + * fold-const.c (may_negate_without_overflow_p, int_const_binop, + fold_convertible_p, operand_equal_p, tree_swap_operands_p, + native_encode_int, native_encode_real, native_encode_complex, + native_encode_vector, native_encode_expr, native_interpret_int, + native_interpret_real, native_interpret_complex, + native_interpret_vector, native_interpret_expr): Likewise. + * function.c (use_register_for_decl): Likewise. + * gimplify.c (get_name): Likewise. + * langhooks-def.h (lhd_return_null_const_tree): New. + (LANG_HOOKS_GET_CALLEE_FNDECL): Use it. + * langhooks.c (lhd_return_null_const_tree): New. + * langhooks.h (lang_get_callee_fndecl): Constify. + * output.h (constructor_static_from_elts_p): Likewise. + * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise. + * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode, + subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise. + * rtlanal.c (cached_nonzero_bits, nonzero_bits1, + cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p, + nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise. + * rtlhooks-def.h (reg_nonzero_bits_general, + reg_num_sign_bit_copies_general, reg_truncated_to_mode_general): + Likewise. + * rtlhooks.c (reg_num_sign_bit_copies_general, + reg_nonzero_bits_general, reg_truncated_to_mode_general): + Likewise. + * stmt.c (warn_if_unused_value, is_body_block): Likewise. + * stor-layout.c (mode_for_size_tree): Likewise. + * tree-ssa-loop-im.c (memref_eq): Likewise. + * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise. + * tree.c (contains_placeholder_p, type_list_equal, + simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p): + Likewise. + * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p, + mode_for_size_tree, categorize_ctor_elements, count_type_elements, + contains_placeholder_p, contains_packed_reference, + get_callee_fndecl, operand_equal_for_phi_arg_p, + warn_if_unused_value, is_body_block, native_encode_expr, + native_interpret_expr, fold_convertible_p, operand_equal_p, + int_const_binop, tree_swap_operands_p, builtin_mathfn_code, + validate_arglist, simple_cst_equal, type_list_equal, + use_register_for_decl, call_expr_flags, get_name, + highest_pow2_factor): Likewise. + (const_call_expr_arg_iterator_d, + init_const_call_expr_arg_iterator, next_const_call_expr_arg, + first_const_call_expr_arg, more_const_call_expr_args_p, + FOR_EACH_CONST_CALL_EXPR_ARG): New. + * varasm.c (constructor_static_from_elts_p): Constify. + +2007-07-28 Kazu Hirata <kazu@codesourcery.com> + + * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md, + config/arm/neon-schedgen.ml, config/arm/neon.ml, + config/arm/vec-common.md, config/ia64/div.md, cselib.c, + df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c, + regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c, + tree-vect-transform.c, tree.def: Fix comment typos. Follow + spelling conventions. + * doc/invoke.texi: Follow spelling conventions. + +2007-07-29 Vladimir Yanovsky <yanov@il.ibm.com> + Revital Eres <eres@il.ibm.com> + + * modulo-sched.c (sms_schedule): Avoid loops which includes + auto-increment instructions. + +2007-07-28 Richard Guenther <rguenther@suse.de> + + PR middle-end/32920 + * fold-const.c (fold_cond_expr_with_comparison): Convert + operand zero of MIN/MAX_EXPR to correct type. + +2007-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * calls.c (special_function_p, setjmp_call_p, alloca_call_p, + flags_from_decl_or_type): Constify. + * gcc.c (do_spec_1): Likewise. + * print-tree.c (dump_addr, print_node_brief): Likewise. + * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p, + simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p, + tree_purge_all_dead_eh_edges): Likewise. + * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p, + tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges): + Likewise. + * tree.c (expr_location, expr_has_location, expr_locus, + expr_filename, expr_lineno, get_inner_array_type, + fields_compatible_p): Likewise. + * tree.h (get_inner_array_type, fields_compatible_p, + expr_location, expr_has_location, expr_locus, expr_filename, + expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type, + setjmp_call_p, alloca_call_p): Likewise. + +2007-07-28 Daniel Berlin <dberlin@dberlin.org> + + * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE, + TV_FLOW_INSENSITIVE. + + * tree-ssa-alias.c (compute_call_clobbered): Push/pop + TV_CALL_CLOBBER. + (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE. + (compute_flow_insensitive_aliasing): Ditto for + TV_FLOW_INSENSITIVE. + +2007-07-27 Jan Hubicka <jh@suse.cz> + + * config/i386/i386.c (register_move_cost): Remove accidentally + comitted #if 0 block. + + * attribs.c: Include hashtab.h + (attribute_hash): New. + (substring): New structure. + (extract_attribute_substring, substring_hash, hash_attr, eq_attr): + New function. + (init_attributes): Initialize attribute hash. + (decl_attributes): Use attribute hash. + * Makefile.in (attribs.c): Depend on hashtab.h. + +2007-07-27 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test. + +2007-07-27 Richard Sandiford <richard@codesourcery.com> + + * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp, + __mips_dspr2 and __mips_dsp_rev macros. + * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev. + +2007-07-27 Douglas Gregor <doug.gregor@gmail.com> + + * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X. + +2007-07-26 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/32749 + + * df-problems.c (df_create_unused_note): Removed do_not_gen parm + and the updating of the live and do_not_gen sets. + (df_note_bb_compute): Added updating of live and do_not_gen sets + for regular defs so that the case of clobber inside conditional + call is processed correctly. + +2007-07-27 Zdenek Dvorak <dvorakz@suse.cz> + + * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the + operands with compatible type. + +2007-07-27 Richard Sandiford <richard@codesourcery.com> + + * expr.h (store_bit_field): Don't return a value. + * expmed.c (check_predicate_volatile_ok): New function. + (store_bit_field_1): New function, extracted from store_bit_field. + Take a fallback_p argument and return true if the operation succeeded. + Only use store_fixed_bit_field if fallback_p. Don't recompute + mode_for_extraction; use op_mode instead. Try forcing memories + into registers if the insv expander fails. + (store_bit_field): Use store_bit_field_1 with fallback_p true. + Don't return a value. + (convert_extracted_bit_field): New function, extracted from + store_bit_field. + (extract_bit_field_1): Likewise. Take a fallback_p argument + and return NULL if the operation succeeded. Only use + extract_fixed_bit_field if fallback_p. Only calculate one + extraction mode. Combine code for extv and extzv. Try forcing + memories into registers if the ext(z)v expander fails. + (extract_bit_field): Use extract_bit_field_1 with fallback_p true. + +2007-07-27 Richard Sandiford <rsandifo@nildram.co.uk> + + * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags + into bitfields. + (df_ref): Likewise. Put regno with other integer fields. + +2007-07-27 Richard Sandiford <rsandifo@nildram.co.uk> + + * df.h (df_mw_hardreg): Remove "loc" field. + * df-scan.c (df_ref_record): Don't set it. Remove redundant + local variable. + * df-problems.c (df_whole_mw_reg_unused_p): New function, + split out from df_set_unused_notes_for_mw. Return false for + partial references. Assert that mw_reg is a REG when returning true. + (df_set_unused_notes_for_mw): Use it. Use mw_reg instead of *loc. + (df_whole_mw_reg_dead_p): New function, split out from + df_set_dead_notes_for_mw. Return false for partial references. + Assert that mw_reg is a REG when returning true. + (df_set_dead_notes_for_mw): Use it. Use mw_reg instead of *loc. + Remove redundant bitmap check. + +2007-07-26 H.J. Lu <hongjiu.lu@intel.com> + + * config/ia64/t-ia64 ($(T)crtbegin.o): Removed. + ($(T)crtend.o): Likwise. + ($(T)crtbeginS.o): Likwise. + ($(T)crtendS.o): Likwise. + ($(T)crtfastmath.o): Likwise. + +2007-07-26 Zdenek Dvorak <dvorakz@suse.cz> + + * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed. + * function.h (dom_computed, n_bbs_in_dom_tree): New macros. + * basic-block.h (struct control_flow_graph): Added x_dom_computed + and x_n_bbs_in_dom_tree fields. + +2007-07-26 Steve Ellcey <sje@cup.hp.com> + + PR tree-optimization/32087 + * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): + Do not call scale_bbs_frequencies_int with prob of zero. + +2007-07-26 Julian Brown <julian@codesourcery.com> + + * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds) + (neon_element_bits): Add prototypes. + * config/arm/arm.c (bounds_check, neon_lane_bounds) + (neon_const_bounds, neon_element_bits): New functions. + * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi) + (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi) + (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi) + (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>) + (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>) + (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>) + (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>) + (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>) + (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>) + (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>) + (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>) + (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>) + (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks. + +2007-07-26 Nathan Froyd <froydnj@codesourcery.com> + + * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo. + (HAVE_AS_GNU_ATTRIBUTE): Undefine. + +2007-07-26 Mark Shinwell <shinwell@codesourcery.com> + Julian Brown <julian@codesourcery.com> + + * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New. + * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New. + * config/arm/cortex-a8.md: New. + * config/arm/cortex-a8-neon.md: New. + * config/arm/neon-schedgen.ml: New. + * config/arm/neon.md (vqh_mnem): New. + (neon_type): New. + (Is_float_mode): New. + (Scalar_mul_8_16): New. + (Is_d_reg): New. + (V_mode_nunits): New. + (All instruction patterns): Annotate with neon_type attribute + values. + * config/arm/arm.md: Include cortex-a8.md. + (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab + values. + Annotate instruction patterns accordingly. + (generic_sched): Do not use generic scheduling for Cortex-A8. + (generic_vfp): Do not use generic VFP scheduling for Cortex-A8. + +2007-07-26 Daniel Jacobowitz <dan@codesourcery.com> + + * fold-const.c (fold_read_from_constant_string): Use + build_int_cst_type. + * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise. + +2007-07-26 Nick Clifton <nickc@redhat.com> + + * tree-ssa-operands.h: Change copyright header to refer to version + 3 of the GNU General Public License and to point readers at the + COPYING3 file and the FSF's license web page. + * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c, + sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c, + tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c, + targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h, + tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c, + hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c, + flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c, + opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c, + gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c, + cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c, + rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c, + optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c, + tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h, + genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c, + reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c, + c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c, + rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h, + tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h, + diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c, + gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c, + input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def, + gensupport.h, builtin-attrs.def, sync-builtins.def, params.c, + cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c, + graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c, + genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c, + tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h, + reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h, + real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c, + omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h, + tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c, + regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h, + tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c, + scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c, + double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h, + dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c, + gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c, + hosthooks.h, c-objc-common.h, caller-save.c, graph.c, + ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c, + c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h, + tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c, + xcoffout.h, tree-ssa-propagate.c, ipa-utils.c, + tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h, + gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c, + mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c, + alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c, + dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h, + expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h, + genattrtab.c, genconditions.c, genattr.c, optc-gen.awk, + timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c, + tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c, + recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c, + dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h, + matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c, + tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c, + lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h, + ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c, + ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h, + langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h, + sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c, + gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c, + ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c, + init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c, + loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c, + mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h, + opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in, + insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c, + tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def, + dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c, + bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c, + coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h, + stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c, + cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c, + tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c, + loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c, + lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c, + tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c, + tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt, + ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c, + varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c, + sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c, + target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c, + omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h, + intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c, + sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h, + genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c, + tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h, + bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c, + cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c, + cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk, + tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c, + c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c, + fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c, + vecprim.h, basic-block.h, tree-ssa-structalias.c, + tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c, + passes.c, genconstants.c, c-incpath.c, c-incpath.h, + struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c, + varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h, + reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y, + stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h, + params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h, + tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c, + convert.c, convert.h, langhooks-def.h, reload1.c, + tree-ssa-operands.c: Likewise. + +2007-07-26 Jan Hubicka <jh@suse.cz> + + * tree-ssa-live.c: Include debug.h and flags.h. + (mark_scope_block_unused): New function. + (remove_unused_scope_block_p): New function. + (remove_unused_locals): Remove unused blocks too. + +2007-07-25 Ian Lance Taylor <iant@google.com> + + * combine.c (combine_max_regno): Remove. Remove all uses. + (struct reg_stat_struct): Rename from struct reg_stat. + (reg_stat_type): Define, and declare VECs. + (reg_stat): Change from pointer to VEC. Change all uses. + (combine_split_insns): New static function. + (try_combine, find_split_point): Call it instead of split_insns. + +2007-07-25 Zdenek Dvorak <dvorakz@suse.cz> + + * cfghooks.c (split_block): Fix the information about loop latch. + +2007-07-25 Zdenek Dvorak <dvorakz@suse.cz> + + * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches. + +2007-07-25 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): + Scan the new edge for loop exit info. + +2007-07-25 Andreas Tobler <a.tobler@schweiz.org> + + * config/darwin.c: Include debug.h. + +2007-07-25 Steve Ellcey <sje@cup.hp.com> + + PR target/32218 + * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type. + +2007-07-25 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode. + (HARD_REGNO_MODE_OK): Ditto. + (MODES_TIEABLE_P): Ditto. + (HARD_REGNO_CALLER_SAVE_MODE): Ditto. + (CLASS_MAX_NREGS): Ditto. + * config/ia64/ia64.c (ia64_print_operand_address): Add R format. + * config/ia64/ia64.md (divsf3_internal_thr): Removed. + (divdf3_internal_thr): Removed. + * config/ia64/div.md: New file. + * config/ia64/constraints.md: Add H constraint. + +2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount, + sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p, + sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not, + sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg, + sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b, + sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p, + sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c, + sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c, + sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap, + dump_sbitmap_file, debug_sbitmap, popcount_table, + sbitmap_popcount): Constify. + * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New. + (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap, + dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal, + sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg, + sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c, + sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c, + sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b, + sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg, + sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p, + sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap, + sbitmap_popcount, sbitmap_verify_popcount): Constify. + +2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop, + bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits, + bitmap_first_set_bit, bitmap_and, bitmap_and_into, + bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into, + bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior, + bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p, + bitmap_intersect_p, bitmap_intersect_compl_p, + bitmap_ior_and_compl, bitmap_ior_and_compl_into, + debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash): + Constify. + * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p, + bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and, + bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into, + bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor, + bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into, + debug_bitmap, debug_bitmap_file, bitmap_print, + bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init, + bmp_iter_and_init, bmp_iter_and_compl_init): Likewise. + +2007-07-25 Daniel Berlin <dberlin@dberlin.org> + + * config/darwin.c (darwin_override_options): Additional fix for + debug info formats that don't support var tracking. + +2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cselib.c (entry_and_rtx_equal_p): Constify. + * gengtype.c (output_mangled_typename, write_types, write_local): + Likewise. + * gengtype.h (const_type_p): New. + * see.c (eq_descriptor_extension, hash_descriptor_extension): + Constify. + * tlink.c (scan_linker_output): De-constify. + * tree-ssa-loop-im.c (memref_eq): Constify. + * tree-ssa-structalias.c (const_shared_bitmap_info_t): New. + (shared_bitmap_hash, shared_bitmap_eq): Constify. + +2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (fname_as_string, c_type_hash): Constify. + * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise. + * cgraph.c (edge_hash, edge_eq): Likewise. + * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise. + * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash, + reg_attrs_htab_eq): Likewise. + * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq): + Likewise. + * genautomata.c (const_reserv_sets_t, const_unit_decl_t, + const_decl_t, const_state_t, const_automata_list_el_t): New. + (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL, + DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV, + automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash, + insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp, + reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p, + automata_list_hash, automata_list_eq_p, compare_states_for_equiv, + compare_max_occ_cycle_nums, out_state_arcs_num, + compare_transition_els_num, units_cmp, state_reservs_cmp): + Constify. + * genmodes.c (cmp_modes): Likewise. + * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise. + * gimplify.c (compare_case_labels): Likewise. + * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise. + * loop-unroll.c (si_info_hash, ve_info_hash): Likewise. + * matrix-reorg.c (mtt_info_hash): Likewise. + * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise. + * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New. + (htab_hash_bucket, htab_hash_elem): Constify. + * tree-browser.c (TB_parent_eq): Likewise. + * tree-scalar-evolution.c (hash_scev_info): Likewise. + * tree-ssa-alias.c (sort_tags_by_id): Likewise. + * tree-ssa-coalesce.c (const_coalesce_pair_p): New. + (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs): + Constify. + * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise. + * tree-ssa-pre.c (const_expr_pred_trans_t): New. + (expr_pred_trans_hash, expr_pred_trans_eq): Constify. + * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t, + const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t): + New. + (vn_reference_op_eq, vn_reference_hash, vn_reference_eq, + vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash, + vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify. + * tree-ssa-threadupdate.c (redirection_data_hash, + redirection_data_eq): Likewise. + * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise. + * tree-ssa.c (var_ann_eq): Likewise. + * tree-vrp.c (compare_case_labels): Likewise. + * tree.c (int_cst_hash_hash, int_cst_hash_eq, + tree_map_base_marked_p, type_hash_marked_p, tree_check_failed, + tree_not_check_failed, tree_class_check_failed, + tree_range_check_failed, tree_not_class_check_failed, + omp_clause_check_failed, omp_clause_range_check_failed, + tree_contains_struct_check_failed, tree_operand_check_failed): + Likewise. + * tree.h (tree_contains_struct_check_failed, tree_check_failed, + tree_not_check_failed, tree_class_check_failed, + tree_range_check_failed, tree_not_class_check_failed, + tree_operand_check_failed, omp_clause_operand_check_failed, + tree_operand_length): Likewise. + * var-tracking.c (const_variable): New. + (variable_htab_hash, variable_htab_eq): Constify. + * varasm.c (const_desc_hash): Likewise. + +2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * expr.c (handled_component_p): Constify. + * fold-const.c (fit_double_type): Likewise. + * real.h (real_value_from_int_cst): Likewise. + * tree-flow-inline.h (gimple_in_ssa_p, + gimple_aliases_computed_p, gimple_addressable_vars, + gimple_call_clobbered_vars, gimple_referenced_vars, + gimple_global_var, gimple_nonlocal_all, gimple_var_anns, + end_htab_p, end_referenced_vars_p, var_ann, function_ann, + may_aliases, end_readonly_imm_use_p, has_zero_uses, + has_single_use, single_imm_use, num_imm_uses, is_exec_stmt, + is_label_stmt, is_global_var, phi_ssa_name_p, + factoring_name_p, is_call_clobbered, tree_common_ann, + op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p, + unmodifiable_var_p, array_ref_contains_indirect_ref, + ref_contains_array_ref, lookup_subvars_for_var, + var_can_have_subvars, overlap_subvar, gimple_ssa_operands, + gimple_mem_ref_stats): Likewise. + * tree-flow.h (tree_common_ann, var_ann, function_ann, + may_aliases, is_exec_stmt, is_label_stmt, + ref_contains_array_ref, array_ref_contains_indirect_ref, + var_can_have_subvars, overlap_subvar, is_call_clobbered, + unmodifiable_var_p): Likewise. + * tree-gimple.c (is_gimple_min_invariant): Likewise. + * tree-gimple.h (is_gimple_min_invariant): Likewise. + * tree.c (type_hash_list, attribute_hash_list, tree_size, + cst_and_fits_in_hwi, real_value_from_int_cst, + build_real_from_int_cst, integer_zerop, integer_onep, + integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2, + tree_floor_log2, real_zerop, real_onep, real_twop, + real_minus_onep, really_constant_p, purpose_member, chain_member, + list_length, fields_length, int_size_in_bytes, bit_position, + int_bit_position, byte_position, int_byte_position, expr_align, + array_type_nelts, tree_node_structure, + type_contains_placeholder_1, iterative_hash_pointer, + is_attribute_with_length_p, is_attribute_p, check_qualified_type, + tree_map_base_eq, type_hash_list, type_hash_eq, + attribute_hash_list, type_num_arguments, tree_int_cst_equal, + tree_int_cst_lt, tree_int_cst_compare, host_integerp, + tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn, + simple_cst_list_equal, compare_tree_int, iterative_hash_expr, + int_fits_type_p, get_containing_scope, decl_function_context, + decl_type_context, omp_clause_operand_check_failed, + initializer_zerop, int_cst_value, num_ending_zeros): Likewise. + * tree.h (omp_clause_operand_check_failed, tree_size, + build_real_from_int_cst, array_type_nelts, purpose_member, + tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare, + host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn, + is_attribute_p, check_qualified_type, expr_align, + int_size_in_bytes, bit_position, int_bit_position, byte_position, + int_byte_position, list_length, fields_length, initializer_zerop, + integer_zerop, integer_onep, integer_all_onesp, integer_pow2p, + integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros, + tree_node_structure, handled_component_p, get_containing_scope, + decl_function_context, decl_type_context, real_zerop, + type_num_arguments, fit_double_type, really_constant_p, + int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr, + compare_tree_int, chain_member, simple_cst_list_equal, real_onep, + real_twop, real_minus_onep, int_cst_value): Likewise. + +2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cfglayout.c (insn_scope, insn_line): Constify. + * emit-rtl.c (const_int_htab_hash, const_int_htab_eq, + const_double_htab_hash, const_double_htab_eq, + mem_attrs_htab_hash): Likewise. + * loop-iv.c (biv_eq): Likewise. + * print-rtl.c (print_rtx, print_decl_name, print_mem_expr, + print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range, + debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl): + Likewise. + * rtl-error.c (location_for_asm, diagnostic_for_asm, + error_for_asm, warning_for_asm, _fatal_insn, + _fatal_insn_not_found): Likewise. + * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat, + rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1, + rtl_check_failed_type2, rtl_check_failed_code1, + rtl_check_failed_code2, rtl_check_failed_code_mode, + rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise. + * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1, + rtl_check_failed_type2, rtl_check_failed_code1, + rtl_check_failed_code2, rtl_check_failed_code_mode, + rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND, + SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs, + shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p, + get_pool_mode, insn_line, insn_file, simplify_replace_rtx, + mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p, + rtx_unstable_p, get_integer_term, get_related_value, + offset_within_block_p, reg_mentioned_p, count_occurrences, + reg_referenced_p, reg_used_between_p, no_labels_between_p, + single_set_2, multiple_sets, set_noop_p, refers_to_regno_p, + reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p, + find_reg_note, find_regno_note, find_reg_equal_equiv_note, + find_constant_src, find_reg_fusage, find_regno_fusage, + pure_call_p, remove_note, side_effects_p, volatile_refs_p, + volatile_insn_p, may_trap_p, may_trap_after_code_motion_p, + may_trap_or_fault_p, inequality_comparisons_p, tablejump_p, + computed_jump_p, auto_inc_p, in_expr_list_p, + remove_node_from_expr_list, loc_mentioned_in_p, + label_is_jump_target_p, reversed_comparison_code_parts, + debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find, + print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single, + print_inline_rtx): Likewise. + * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p, + computed_jump_p_1, nonzero_bits1, rtx_unstable_p, + rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p, + get_integer_term, get_related_value, offset_within_block_p, + count_occurrences, reg_mentioned_p, no_labels_between_p, + reg_used_between_p, reg_referenced_p, single_set_2, + multiple_sets, set_noop_p, refers_to_regno_p, + reg_overlap_mentioned_p, dead_or_set_p, + covers_regno_no_parallel_p, covers_regno_p, + dead_or_set_regno_p, find_reg_note, find_regno_note, + find_reg_equal_equiv_note, find_constant_src, find_reg_fusage, + find_regno_fusage, pure_call_p, remove_note, in_expr_list_p, + remove_node_from_expr_list, volatile_insn_p, volatile_refs_p, + side_effects_p, may_trap_p_1, may_trap_p, + may_trap_after_code_motion_p, may_trap_or_fault_p, + inequality_comparisons_p, tablejump_p, computed_jump_p_1, + computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb, + subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise. + * simplify-rtx.c (neg_const_int, plus_minus_operand_p, + mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p): + Likewise. + * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm, + warning_for_asm): Likewise. + * tree.h (print_rtl): Likewise. + * varasm.c (get_pool_mode): Likewise. + +2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-lex.c (c_lex_with_flags, lex_string): Constify. + * c-ppoutput.c (print_line, pp_dir_change): Likewise. + * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise. + * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise. + * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise. + * ddg.c (compare_sccs): Likewise. + * df-scan.c (df_ref_compare, df_mw_compare): Likewise. + * dfp.c (decimal_real_from_string, decimal_to_decnumber, + decimal_to_binary, decimal_do_compare, decimal_real_to_decimal, + decimal_do_fix_trunc, decimal_real_to_integer, + decimal_real_to_integer2, decimal_real_maxval): Likewise. + * dse.c (const_group_info_t): New. + (invariant_group_base_eq, invariant_group_base_hash): Constify. + * dwarf2out.c (const_dw_die_ref): New. + (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify. + * tree-browser.c (TB_parent_eq): Likewise. + * unwind-dw2-fde.c (__register_frame_info_bases, + __deregister_frame_info_bases, fde_unencoded_compare, fde_split, + add_fdes, linear_search_fdes, binary_search_unencoded_fdes): + Likewise. + * unwind-dw2-fde.h (get_cie, next_fde): Likewise. + * unwind-dw2.c (uw_frame_state_for): Likewise. + * value-prof.c (histogram_hash, histogram_eq): Likewise. + * value-prof.h (const_histogram_value): New. + +2007-07-25 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (machine_function): Add + initialized_mips16_gp_pseudo_p. + (mips16_gp_pseudo_reg): Do not emit the initialization of + mips16_gp_pseudo_rtx when being called from the gimple cost- + calculation routines; emit it on the first use outside those + routines. + +2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree): + New. + + * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2, + RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK, + RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3, + RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6, + RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND): + Preserve const-ness of parameters through use of __typeof(), + also constify and tidy. + + * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2, + TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4, + NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5, + CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK, + OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK, + GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK, + PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK, + TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK, + TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise. + +2007-07-25 Julian Brown <julian@codesourcery.com> + Mark Shinwell <shinwell@codesourcery.com> + + * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to... + (alpha_mangle_type): This. + (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define. + (TARGET_MANGLE_TYPE): Define this instead. + * config/arm/arm-protos.h (arm_mangle_type): Add prototype. + * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook. + (arm_init_neon_builtins): Fix comment. + (arm_mangle_map_entry): New. + (arm_mangle_map): New. + (arm_mangle_type): New. + * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to... + (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict + mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE. + (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define. + (TARGET_MANGLE_TYPE): Define this instead. + * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to... + (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict + mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE. + (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define. + (TARGET_MANGLE_TYPE): Define this instead. + * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename + to... + (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT. + (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define. + (TARGET_MANGLE_TYPE): Define this instead. + * config/s390/s390.c (s390_mangle_fundamental_type): Rename to... + (s390_mangle_type): This. + (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define. + (TARGET_MANGLE_TYPE): Define this instead. + * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to... + (sparc_mangle_type): This. + (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define. + (TARGET_MANGLE_TYPE): Define this instead. + * cp/mangle.c (write_type): Call mangle_type target hook on all + types before mangling. Use original type, not main variant, as + argument. + * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to... + (TARGET_MANGLE_TYPE): This. + * target.h (gcc_target): Rename mangle_fundamental_type to + mangle_type. + * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to... + (TARGET_MANGLE_TYPE): This. Note slightly different semantics. + +2007-07-25 Julian Brown <julian@codesourcery.com> + Paul Brook <paul@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> + Mark Shinwell <shinwell@codesourcery.com> + + * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi. + * config.gcc (arm*-*-*): Add arm_neon.h to extra headers. + (with_fpu): Allow --with-fpu=neon. + * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15. + * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15. + * config/arm/arm-modes.def (EI, OI, CI, XI): New modes. + * config/arm/arm-protos.h (neon_immediate_valid_for_move) + (neon_immediate_valid_for_logic, neon_output_logic_immediate) + (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret) + (neon_emit_pair_result_insn, neon_disambiguate_copy) + (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad) + (output_move_neon): Add prototypes. + * config/arm/arm.c (FL_NEON): New flag for NEON processor capability. + (all_fpus): Add FPUTYPE_NEON. + (fp_model_for_fpu): Add NEON field. + (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers. + (arm_arg_partial_bytes): Allow NEON vectors to be passed partially + in registers. + (arm_legitimate_address_p): Don't support fancy addressing for NEON + structure moves. + (thumb2_legitimate_address_p): Likewise. + (neon_valid_immediate): Recognize and prepare constants suitable for + NEON instructions. + (neon_immediate_valid_for_move): New function. Recognize and prepare + immediates for NEON move instructions. + (neon_immediate_valid_for_logic): New function. Recognize and + prepare immediates for NEON logic instructions. + (neon_output_logic_immediate): New function. Create asm string + suitable for outputting immediate logic instructions. + (neon_pairwise_reduce): New function. Implement reduction using + pairwise operations. + (neon_expand_vector_init): New function. Expand a (possibly + non-constant) vector initialization. + (neon_vector_mem_operand): New function. Memory operands supported + for quad-word loads/stores to/from ARM or NEON registers. Don't + allow base+offset addressing for core regs. + (neon_struct_mem_operand): New function. Valid mems for NEON + structure moves. + (coproc_secondary_reload_class): Enable NEON registers to be loaded + from neon_vector_mem_operand addresses without a secondary register. + (add_minipool_forward_ref): Handle >8-byte minipool entries. + (add_minipool_backward_ref): Likewise. + (dump_minipool): Likewise. + (push_minipool_fix): Likewise. + (output_move_quad): New function. Output quad-word moves, loads and + stores using ARM registers. + (output_move_vfp): Add support for vectors in VFP (NEON) D + registers. + (output_move_neon): Output a NEON load/store to/from a quadword + register. + (arm_print_operand): Implement new codes: + - 'c' for unadorned integers (without a # sign). + - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian + mode. + - 'e', 'f' for the low and high D parts of a NEON Q register. + - 'q' outputs a NEON Q register. + - 'h' outputs ranges of D registers for VLDM/VSTM etc. + - 'T' prints NEON opcode features from a coded bitmask. + - 'F' is similar to T, but signed/unsigned codes both print as + 'i'. + - 't' is similar to T, but 'u' is printed instead of 'p'. + - 'O' prints 'r' if NEON instruction should perform rounding (as + specified by bitmask), else prints nothing. + - '#' is a punctuation character to stop operand numbers from + running together with following digits in the assembler + strings for instructions (when using mode attributes). + (arm_assemble_integer): Handle extra NEON vector modes. Permute + constant vectors in big-endian mode, where necessary. + (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers. + Handle EI, OI, CI, XI modes. + (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3) + (ashrv2si3): Rename IWMMXT2_BUILTINs to... + (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt) + (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names. + (neon_builtin_type_bits): Add enumeration, one bit for each vector + type. + (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP) + (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros + to turn v8qi, etc. into bits defined above. + (neon_itype): New enumeration. Classifications of NEON builtins. + (neon_builtin_datum): Define struct. Contains information about + a single builtin (with multiple modes). + (CF): Define helper macro for... + (VAR1...VAR10): Define builtins with a type, name and 1-10 different + modes. + (neon_builtin_data): New array. Define information about builtins + for use during initialization/expansion. + (arm_init_neon_builtins): New function. + (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is + true. + (neon_builtin_compare): New function. + (locate_neon_builtin_icode): New function. Find an insn code for a + builtin given a function code for that builtin. Also return type of + builtin (NEON_BINOP, NEON_UNOP etc.). + (builtin_arg): New enumeration. Types of arguments for builtins. + (arm_expand_neon_args): New function. Expand a generic NEON builtin. + Takes a variable argument list of builtin_arg types, terminated by + NEON_ARG_STOP. + (arm_expand_neon_builtin): New function. Expand a NEON builtin. + (neon_reinterpret): New function. Expand NEON reinterpret intrinsic. + (neon_emit_pair_result_insn): New function. Support returning pairs + of vectors via a pointer. + (neon_disambiguate_copy): New function. Set up operands for a + multi-word copy such that registers do not get clobbered. + (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >= + ARM_BUILTIN_NEON_BASE. + (arm_file_start): Set float-abi attribute for NEON. + (arm_vector_mode_supported_p): Enable NEON vector modes. + (arm_mangle_map_entry): New. + (arm_mangle_map): New. + (arm_mangle_vector_type): New. + * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__ + when appropriate. + (TARGET_NEON): New macro. Target supports NEON. + (fputype): Add FPUTYPE_NEON. + (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used + for vectorization based on command-line arg. + (NEON_REGNO_OK_FOR_NREGS): Define. + (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE) + (VALID_NEON_STRUCT_MODE): Define. + (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation. + (arm_builtins): Add ARM_BUILTIN_NEON_BASE. + * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec. + (consttable_16): Add pattern for outputting 16-byte minipool + entries. + (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in + vec-common.md). + (vec-common.md, neon.md): Include md files. + * config/arm/arm.opt (mvectorize-with-neon-quad): Add option. + * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define. + (memory_constraint "Ut", "Un", "Us"): Define. + * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros. + (MMX_char): New mode attribute. + (addv8qi3, addv4hi3, addv2si3): Remove. Replace with... + (*add<mode>3_iwmmxt): New insn pattern. + (subv8qi3, subv4hi3, subv2si3): Remove. Replace with... + (*sub<mode>3_iwmmxt): New insn pattern. + (mulv4hi3): Rename to... + (*mulv4hi3_iwmmxt): This. + (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3) + (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3) + (uminv4hi3, uminv2si3): Remove. Replace with... + (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt) + (*umin<mode>3_iwmmxt): These. + (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with... + (ashr<mode>3_iwmmxt): This new pattern. + (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with... + (lshr<mode>3_iwmmxt): This new pattern. + (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with... + (ashl<mode>3_iwmmxt): This new pattern. + * config/arm/neon-docgen.ml: New file. Generate documentation for + intrinsics. + * config/arm/neon-gen.ml: New file. Generate arm_neon.h header. + * config/arm/arm_neon.h: New (autogenerated). + * config/arm/neon-testgen.ml: New file. Generate NEON tests + automatically. + * config/arm/neon.md: New file. Define NEON instructions. + * config/arm/neon.ml: New file. Abstract description of NEON + instructions, used to generate arm_neon.h header, documentation and + tests. + * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md. + * vec-common.md: New file. Shared parts for iWMMXt and NEON vector + support. + * doc/extend.texi (ARM Built-in Functions): Rename and remove + extraneous comma. + (ARM NEON Intrinsics): New subsection. + * doc/arm-neon-intrinsics.texi: New (autogenerated). + +2007-07-25 Danny Smith <dannysmith@users.sourceforge.net> + + * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove + prototype. + +2007-07-24 Jan Hubicka <jh@suse.cz> + + * regclass.c (move_table): New type. + (move_cost, may_move_in_cost, may_move_out_cost): Use it. + (init_move_cost): Break out from ... + (init_reg_sets_1): ... here; simplify computation of + have_regs-of_mode and contains_reg_of_mode. + (record_reg_classes): Unswitch internal loops. + (copy_cost): Trigger lazy initialization of move cost + (record_address_regs): Likewise. + +2007-07-24 Daniel Berlin <dberlin@dberlin.org> + + * config/darwin.c (darwin_override_options): Don't force on + flag_var_tracking_uninit when no debug info is requested. + +2007-07-25 Zdenek Dvorak <dvorakz@suse.cz> + + * cfgloop.c (init_loops_structure): New function. + (flow_loops_find): Create root of the loop tree unconditionally. + +2007-07-24 Daniel Jacobowitz <dan@codesourcery.com> + + * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert. + +2007-07-24 Jan Hubicka <jh@suse.cz> + + * caller-save.c: Include ggc.h, gt-caller-save.h + (reg_save_code, reg_restore_code): Rename to ... + (cached_reg_save_code, cached_reg_restore_code): ... those. + (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New. + (reg_save_code, reg_restore_code): New functions. + (init_caller_save): Do not intialize + reg_save_code/reg_restore_code tables. + * Makefile.in: (gt-caller-save.h): New. + +2007-07-24 Andreas Krebbel <krebbel1@de.ibm.com> + + * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand + with the mode of the original operand instead of + integer_one_node. + +2007-07-23 Jan Hubicka <jH@suse.cz> + + * config/i386/i386.c (ix86_secondary_memory_needed): Break out to... + (inline_secondary_memory_needed): ... here. + (ix86_memory_move_cost): Break out to ... + (inline_memory_move_cost): ... here; add support for IN value of 2 for + maximum of input and output; fix handling of Q_REGS on 64bit. + (ix86_secondary_memory_needed): Microoptimize. + +2007-07-23 Sebastian Pop <sebpop@gmail.com> + + * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr, + create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices, + stmts_from_loop, known_dependences_p, build_rdg): New. + * tree-data-ref.h: Depends on graphds.h. + (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New. + (build_rdg): Declared. + * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h. + +2007-07-23 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with + ccp_min_invariant. + +2007-07-23 Peter Bergner <bergner@vnet.ibm.com> + Jakub Jelinek <jakub@redhat.com> + + PR middle-end/PR28690 + * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow + EQ compares. + * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER + and MEM_POINTER operands over REG and MEM operands. + (swap_commutative_operands_p): Change return value to bool. + * rtl.h: Update the corresponding prototype. + * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary + instead of gen_rtx_PLUS. + * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return + value to bool. Change function arguments to rtx's and update code + to match. + (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp + calls to match the new declaration. + * simplify-rtx.c (simplify_associative_operation): Don't + reorder simplify_binary_operation arguments. + +2007-07-23 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (override_options): Use mips_costs to derive + the default branch cost. + * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather + than mips_costs. + * config/mips/mips.opt (mbranch-cost=): New option. + * doc/invoke.texi (-mbranch-cost): Document new MIPS option. + +2007-07-23 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete. + (SECONDARY_MEMORY_NEEDED): Delete commented-out definition. + * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p + instead of GR_REG_CLASS_P and COP_REG_CLASS_P. + +2007-07-23 Richard Sandiford <richard@codesourcery.com> + + * config/mips/constraints.md (ks): New constraint. + * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into... + (*add<mode>3_mips16): ...here. + +2007-07-21 Uros Bizjak <ubizjak@gmail.com> + + * optabs.h (enum optab_index): Add new OTI_signbit. + (signbit_optab): Define corresponding macro. + (enum insn_code signbit_optab[]): Remove array. + * optabs.c (init_optabs): Initialize signbit_optab using init_optab. + (expand_copysign_absneg): If back end provides signbit insn, use it + instead of bit operations on floating point argument. + * builtins.c (enum insn_code signbit_optab[]): Remove array. + (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code + for availability of signbit insn. + + * config/i386/i386.md (signbit<mode>2): New insn pattern to implement + signbitf, signbit and signbitl built-ins as inline x87 intrinsics when + SSE mode is not active. + (isinf<mode>2): Disable for mfpmath=sse,387. + +2007-07-22 Ben Elliston <bje@au.ibm.com> + + * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to + `class' parameter. + * struct-equiv.c (note_local_live): Likewise for `y_regno'. + +2007-07-20 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (verify_expr): COND_EXPRs can have any + integral typed condition. + * tree-ssa.c (useless_type_conversion_p): Do not preserve + booleanness. Only preserve conversions from a non-base + type to a base type, not in general between types with + different TYPE_MIN_VALUE or TYPE_MAX_VALUE. + * tree.def (COND_EXPR): Document that the condition + can be of any integral type. + +2007-07-20 Nigel Stephens <nigel@mips.com> + Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.h (mips_dwarf_regno): Declare. + (DBX_REGISTER_NUMBER): Remove redundant brackets. + (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way. + (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM) + (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete. + (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG. + (REG_CLASS_NAMES): Update accordingly. + * config/mips/mips.c (mips_dwarf_regno): New array. + (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG. + (mips_subword): Remove special handling for accumulator registers. + (override_options): Initiailize mips_dwarf_regno. Remove use + of ACC_HI_REG_P. + (mips_swap_registers): New function. + (mips_conditional_register_usage): Swap accumulator registers + around if TARGET_LITTLE_ENDIAN. + (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS. + * config/mips/constraints.md (h, l): Use the endianness to choose + between MD0_REG and MD1_REG. + * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string, + alternative-dependent template. + +2007-07-20 Richard Sandiford <richard@codesourcery.com> + + * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of + no_new_pseudos. + +2007-07-20 Zdenek Dvorak <dvorakz@suse.cz> + + * function.c (thread_prologue_and_epilogue_insns): Fix exit + predecessor fallthru flags. + +2007-07-20 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands + of compare to the same type. + * cfgloopmanip.c (add_loop): Update information about loop exits. + (loop_version): Remove the innermost loop requirement. + * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds + to sizetype for pointers. + +2007-07-18 H.J. Lu <hongjiu.lu@intel.com> + + * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd. + (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd. + (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td. + + * config/dfp-bit.c: Empty for TFmode conversions. + +2007-07-18 Caroline Tice <ctice@apple.com> + + * var-tracking.c (find_src_status): Check for COND_EXEC insns + and handle them correctly; check that src is not NULL before + trying to use it. + (find_src_set_src): Likewise. + +2007-07-18 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New. + (struct alignment_context, init_alignment_context): New. + (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New. + * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default. + (XCHAL_HAVE_S32C1I): Likewise. + (TARGET_RELEASE_SYNC, TARGET_S32C1I): New. + * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant. + (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise. + (ATOMIC, HQI): New macros. + (memory_barrier, *memory_barrier): New. + (sync_lock_releasesi): New. + (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New. + (sync_lock_test_and_set<mode>): New. + (sync_<atomic><mode>): New. + (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New. + * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New. + (xtensa_expand_atomic): New. + +2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR target/30652 + + * builtins.c (expand_builtin_interclass_mathfn): Provide a generic + transformation for builtin ISNORMAL. + (expand_builtin): Handle BUILT_IN_ISNORMAL. + * builtins.def (BUILT_IN_ISNORMAL): New. + * doc/extend.texi: Document isnormal. + +2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR target/30652 + + * builtins.c (expand_builtin_interclass_mathfn): Allow for missing + optabs infrastructure. Provide generic implementation for + FINITE/ISFINITE. + (expand_builtin): Handle FINITE/ISFINITE. + (fold_builtin_classify): Make ISFINITE canonical instead of FINITE. + (fold_builtin_1): Likewise. + + * builtins.def (BUILT_IN_ISFINITE): New. + + * doc/extend.texi: Document isfinite. + +2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR target/30652 + PR middle-end/20558 + + * builtins.c (expand_builtin_interclass_mathfn): Provide a + generic fallback for isinf. + * c-cppbuiltin.c (builtin_define_float_constants): Move FP max + calculation code ... + * real.c (get_max_float): ... to here. + * real.h (get_max_float): New. + +2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR middle-end/32668 + + * builtin-attrs.def (ATTR_TYPEGENERIC, + ATTR_CONST_NOTHROW_TYPEGENERIC): New. + + * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN, + BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS, + BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER, + BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC. + + * c-common.c (handle_type_generic_attribute): New. + (c_common_attribute_table): Add "type generic". + + * c-typeck.c (convert_arguments): Handle "type generic" functions. + +2007-07-18 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression + * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR + properly. + +2007-07-18 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/32808 + * config/cris/cris.c (cris_print_index): Don't use XEXP before + checking that the operand is an expression. + +2007-07-19 Christoph von Wittich <Christoph_vW@reactos.org> + Danny Smith <dannysmith@users.sourceforge.net> + + PR/other 30335 + * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put + file mapping object in local namespace if Windows version later + than NT4 + +2007-07-18 Richard Sandiford <richard@codesourcery.com> + + * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare. + * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to + arm_cannot_force_const_mem. + (arm_cannot_force_const_mem): New function. + * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro. + (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead + of arm_tls_referenced_p. + * config/arm/arm.md (movsi): Split out-of-section constants when + ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P. + * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define. + +2007-07-18 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.md (clear_cache): Treat the size argument as Pmode. + +2007-07-18 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.md (*extendqihi2): Convert the destination + to SImode. + +2007-07-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * config/pa/fptr.c: Update license header. + * config/pa/milli64.S: Likewise. + +2007-07-17 Nick Clifton <nickc@redhat.com> + + * COPYING_v3: New file. Contains version 3 of the GNU General + Public License. + * COPYING.LIB_v3: New file. Contains version 3 of the GNU + Lesser General Public License. + * doc/include/gpl_v3.texi: New file. Contains version 3 of + the GNU General Public License. + +2007-07-17 Zdenek Dvorak <dvorakz@suse.cz> + + PR rtl-optimization/32773 + * cfglayout.c (force_one_exit_fallthru): New function. + (cfg_layout_finalize): Use it. + +2007-07-16 Richard Guenther <rguenther@suse.de> + Uros Bizjak <ubizjak@gmail.com> + + * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond" + before forcing it to gimple operand. + +2007-07-16 Sandra Loosemore <sandra@codesourcery.com> + David Ung <davidu@mips.com> + + * config/mips/mips.h (TUNE_24K): Define. + (TUNE_MACC_CHAINS): Add TUNE_24K. + * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to + imadd. + * config/mips/74k.md (r74k_int_mult): Split madd/msub to .. + (r74k_int_madd): .. this new reservation. + (define_bypass): Fixed bypasses for r74k_int_madd to use + mips_linked_madd_p. + * config/mips/24k.md (define_bypass): Define new + r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p. + +2007-07-16 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * config/mips/mips.md: Include 20kc.md. + * config/mips/20kc.md: New file. + * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs. + (mips_adjust_cost): Tweak for 20Kc. + (mips_issue_rate): Likewise. + * config/mips/mips.h (TUNE_20KC): Define. + +2007-07-16 David Edelsohn <edelsohn@gnu.og> + + * config/rs6000/rs6000.c (struct processor_cost): Add + cache_line_size, l1_cache_lines, and simultaneous_prefetches + fields. + (*_cost): Add cache information. + (rs6000_override_options): Set cache parameters. + +2007-07-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + PR bootstrap/3456 + * config.gcc (mips-sgi-irix[56]*): Enable pthread support. + * doc/install.texi (mips-sgi-irix6): pthread support works now. + +2007-07-16 Paul Brook <paul@codesourcery.com> + + PR target/32753 + * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn. + (cirrus_thumb2_movsi_insn): Ditto. + +2007-07-15 Geoffrey Keating <geoffk@apple.com> + + * config/rs6000/darwin-fallback.c (interpret_libc): Change + CR2_REGNO to R_CR2. + +2007-07-15 Andrew Haley <aph@redhat.com> + + * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL + before looking in the context. + +2007-07-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR middle-end/32398 + PR middle-end/32769 + * pa-protos.h (pa_eh_return_handler_rtx): Declare. + * pa.c (pa_extra_live_on_entry, rp_saved): Declare. + (TARGET_EXTRA_LIVE_ON_ENTRY): Define. + (pa_output_function_prologue): Use rp_saved and + current_function_is_leaf to generate .CALLINFO statement. + (hppa_expand_prologue): Set rp_saved. + (hppa_expand_epilogue): Use rp_saved. + (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions. + * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx. + +2007-07-14 Dirk Mueller <dmueller@suse.de> + + * omega.c (coalesce): Fix memory leak on early exit. + * matrix-reorg.c (check_allocation_function): Likewise. + * tree-vect-transform.c (vect_get_new_vect_var): free result + of concat(). + * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges): + pass pointer to edge vector + (partition_hot_cold_basic_blocks): Fix memory leak. + * collect2.c (prefix_from_string): Free temporary storage. + * reload1.c (fixup_abnormal_edges): Free sbitmap. + +2007-07-14 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype. + (DO_GLOBAL_DTORS_BODY): Likewise. + +2007-07-14 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * config/mips/mips.c (mips_classify_symbol): Don't return + SYMBOL_SMALL_DATA for constant pool addresses if + TARGET_EMBEDDED_DATA is true. + +2007-07-14 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins + except __builtin_ia32_emms, __builtin_ia32_ldmxcsr, + __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups, + __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps, + __builtin_ia32_storehps, __builtin_ia32_storelps, + __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence, + __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd, + __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd, + __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq, + __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence, + __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor, + __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa, + __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins + using def_builtin_const. + +2007-07-14 Eric Botcazou <ebotcazou@adacore.com> + + PR tree-optimization/32705 + * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number. + (simplify_binary_expression): Use SSA_VAL consistently. + +2007-07-13 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition. + (SPEFSCR_REGNO): Delete definition. + * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO. + COUNT_REGISTER_REGNUM -> CTR_REGNO. + * config/rs6000/rs6000.h: Do not define *_REGNO. + LINK_REGISTER_REGNUM -> LR_REGNO. + COUNT_REGISTER_REGNUM -> CTR_REGNO. + * config/rs6000/predicates.md: LINK_REGISTER_REGNUM -> LR_REGNO. + COUNT_REGISTER_REGNUM -> CTR_REGNO. + * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0, + R_VRSAVE, R_VSCR. Use them. + * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2, + R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR. Use them. + * config/rs6000/rs6000.md: Define REGNO constants. Use them. + * config/rs6000/aix.h: Define R_LR. Use it. + +2007-07-13 Caroline Tice <ctice@apple.com> + + * toplev.c (process_options): Turn flag_var_tracking_uninit off when + flag_var_tracking is explicitly turned off (i.e. when variable + tracking is not feasible); otherwise, turn flag_var_tracking on when + flag_var_tracking_uninit is on. + * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION + note definitions, to allow recording of initialization status in the + notes. + * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit. + (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to + determine if two note locations are equal. + (output_loc_list): Don't output list entries whose start & end labels + are the same. + (reg_loc_descriptor): Add parameter for initialization status; pass it + to other loc descriptor functions. + (one_reg_loc_descriptor): Add parameter for initialization status; + check its value and add DW_OP_GNU_uninit to returned loc descr if + appropriate. + (multiple_reg_loc_descriptor): Add parameter for initialization + status; + pass init status argument to other loc descriptor functions; check + value of intialization parameter and add DW_OP_GNU_uninit to returned + loc descr if appropriate. + (based_loc_descr): Add parameter for initialization status; add new + variable for return value; check value of initialization parameter and + add DW_OP_GNU_uninit to returned loc descr if appropriate. + (concatn_mem_loc_descriptor): Add parameter for initialization status; + pass init status argument to other loc descriptor functions; check + value of intialization parameter and add DW_OP_GNU_uninit to returned + loc descr if appropriate. + (mem_loc_descriptor): Likewise. + (concat_loc_descriptor): Likewise. + (concatn_loc_descriptor): Likewise. + (loc_descriptor): Add parameter for initialization status; pass it as + argument to other loc descriptor function calls. + (loc_descriptor_from_tree_1): Add appropriate initialization status + to loc descriptor function calls. + (add_location_or_const_value_attribute): Get initialization status + from VAR_LOCATION note; add initialization status to loc descriptor + function calls. + * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit. + * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if + status is uninitialized, add "[uninint]" to output. + * common.opt (fvar-tracking-uninit): New option, similar to + fvar-tracking, to turn on tracking of uninitialized variables; creates + a new global flag, flag_var_tracking_uninit. + * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field. + (enum var_init_status): New type, for var initialization status field. + * var-tracking.c (struct location_chain_def): Two new fields, init, + for initialization status, and set_src for the assignment value expr. + (unshare_variable): New parameter for initialization status; + initialize new init and set_src fields. + (var_reg_set): New parameters for initialization status and value; + pass them to set_variable_part. + (var_mem_set): Likewise. + (get_init_value): New function. + (var_reg_delete_and_set): New initialization status & value + parameters; add call to get_init_value if status is unknown; pass new + parameters to clobber_variable_part and var_reg_set. + (var_mem_delete_and_set): Likewise. + (var_reg_delete): Pass null set_src value to clobber_variable_part. + (var_mem_delete): Likewise. + (variable_union): Pass status to unshare_variable; initialize new init + and set_src fields. If flag_var_tracking_uninit is not set, force + status to initialized. + (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be + used later to get the set_src value. + (find_src_status): New function. + (find_src_set_src): New function. + (compute_bb_dataflow): Pass init status to calls to var_reg_set, + var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for + MO_SET, get set_src value and pass it to var_reg_delete_and_set + and var_mem_delete_and_set. + (dump_variable): Print out "[uninit]" if appropriate. + (set_variable_part): Add new initialization and set_src parameters; + pass status to unshare_variable; set node->init and node- >set_src + fields and modify slot in hash table appropriately; save the init and + set_src values if appropriate and assign to the new node. + (clobber_variable_part): New set_src parameter; if two nodes have + same variable and same location but different set_src (assignment) + values, clobber old node. + (delete_variable_part): Pass init status to unshare_variable. + (emit_note_insn_var_location): Add initialized var; assign var's init + status to new 'initialized'; pass new init status field to calls to + gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force + status to initialized. + (emit_notes_in_bb): Pass initialization status to calls to + var_reg_set, var_mem_set, var_reg_delete_and_set and + var_mem_delete_and_set; for MO_SET, get set_src value and pass it to + var_reg_delete_and_set and var_mem_delete_and_set; call + emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to + make up for change in add_stores. + (vt_add_function_parameters): Add status to calls to + set_variable_part. + * config/darwin.c (darwin_override_options): Turn on uninitialized + tracking automatically, if var_tracking is on and the system is + 10.5 or higher. + +2007-07-13 Sa Liu <saliu@de.ibm.com> + + * config.gcc: Add options for arch and tune on SPU. + * config/spu/predicates.md: Add constant operands 0 and 1. + * config/spu/spu-builtins.def: Add builtins for double precision + floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, + si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1, + spu_testsv. + * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with + a CELLEDP target. + * config/spu/spu-protos.h: Add new function prototypes. + * config/spu/spu.c (spu_override_options): Check options -march and + -mtune. + (spu_comp_icode): Add comparison code for DFmode and vector mode. + (spu_emit_branch_or_set): Use the new code for DFmode and vector + mode comparison. + (spu_const_from_int): New. Create a vector constant from 4 ints. + (get_vec_cmp_insn): New. Get insn index of vector compare instruction. + (spu_emit_vector_compare): New. Emit vector compare. + (spu_emit_vector_cond_expr): New. Emit vector conditional expression. + * config/spu/spu.h: Add options -march and -mtune. Define processor + types PROCESSOR_CELL and PROCESSOR_CELLEDP. Define macro + CANONICALIZE_COMPARISON. + * config/spu/spu.md: Add new insns for double precision compare + and double precision vector compare. Add vcond and smax/smin patterns + to enable DFmode vector conditional expression. + * config/spu/spu.opt: Add options -march and -mtune. + * config/spu/spu_internals.h: Add builtins for CELLEDP target: + si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv. Add builtin for + both CELL and CELLEDP targets: spu_testsv. + * config/spu/spu_intrinsics.h: Add flag mnemonics for test special + values. + +2007-07-13 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/32721 + * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve + TREE_THIS_VOLATILE on the folded reference. + * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops + if the array reference has TREE_THIS_VOLATILE set. + +2007-07-13 H.J. Lu <hongjiu.lu@intel.com> + + PR other/32188 + * doc/libgcc.texi: Update DFP intrinsics for DPD and BID. + +2007-07-13 Andreas Schwab <schwab@suse.de> + + * gengtype-lex.l: Allow declarations to be indented. + +2007-07-12 Geoffrey Keating <geoffk@apple.com> + + * ginclude/tgmath.h: New. + * config.gcc: Use GCC's tgmath.h on non-glibc systems. + * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath. + * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath. + * configure: Regenerate. + +2007-07-13 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/linux-unwind.h (sh_fallback_frame_state): Use + correct index when setting register save state for xd + registers. + +2007-07-13 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (mark_use): Remove. + +2007-07-12 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch + reg does not overlap return value. + +2007-07-12 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-pre.c (get_expression_vuses): Move out side-effect. + (set_expression_vuses): Ditto. + (init_pre): Initialize expression_vuses. + +2007-07-12 Zdenek Dvorak <dvorakz@suse.cz> + + * config/i386/sse.md (storentdf, storentsf): New. + +2007-07-12 Geoffrey Keating <geoffk@apple.com> + + * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a + FUNCTION_DECL. + * tree.c (build_decl_stat): Move code from here... + (make_node_stat): ... to here. Don't uselessly clear DECL_USER_ALIGN. + (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL. Add comment + about using DECL_ALIGN of LABEL_DECL and CONST_DECL. + * tree.h (DECL_USER_ALIGN): Fix misplaced comment. + * varasm.c (assemble_start_function): Use DECL_ALIGN instead of + FUNCTION_BOUNDARY. + +2007-07-12 Dorit Nuzman <dorit@il.ibm.com> + Devang Patel <dpatel@apple.com> + + PR tree-optimization/25413 + * targhooks.c (default_builtin_vector_alignment_reachable): New. + * targhooks.h (default_builtin_vector_alignment_reachable): New. + * tree.h (contains_packed_reference): New. + * expr.c (contains_packed_reference): New. + * tree-vect-analyze.c (vector_alignment_reachable_p): New. + (vect_enhance_data_refs_alignment): Call + vector_alignment_reachable_p. + * target.h (vector_alignment_reachable): New builtin. + * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New. + * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New. + (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define. + +2007-07-12 Dorit Nuzman <dorit@il.ibm.com> + + * target.h (builtin_vectorization_cost): Add new target builtin. + * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New. + * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New. + (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New. + * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze + uninitialized variables. + * tree-vect-transform.c (cost_for_stmt): New function. + (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of + using cost 1 for all scalar stmts. Be less conservative when + estimating the number of prologue/epulogue iterations. Call + targetm.vectorize.builtin_vectorization_cost. Return + min_profitable_iters-1. + (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for + initialization cost instead of TARG_VEC_STMT_COST. Use + TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction + epilogue code. Fix epilogue cost computation. + * config/spu/spu.c (spu_builtin_vectorization_cost): New. + (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement. + * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST): + (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST): + (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST): + (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define. + +2007-07-12 Richard Guenther <rguenther@suse.de> + + * gimplify.c (gimplify_conversion): Make sure that the result + from maybe_fold_offset_to_reference is trivially convertible + to the desired type before doing the simplification. + (gimplify_expr): Likewise. + * fold-const.c (fold_binary): Use the correct types for + building the simplified expression. + +2007-07-12 Zdenek Dvorak <dvorakz@suse.cz> + + PR rtl-optimization/32729 + * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks + that fallthru to exit. + +2007-07-12 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis. + (symDTPOFF2reg): Likewise. + +2007-07-11 Daniel Berlin <dberlin@dberlin.org> + + PR tree-optimization/32663 + + * tree.h (VALUE_HANDLE_VUSES): Remove. + (struct tree_value_handle): Remove vuses. + + * tree-vn.c (create_value_handle_for_expr): Don't set + VALUE_HANDLE_VUSES. + + * tree-ssa-pre.c (expression_vuses): New. + (alloc_expression_id): Set up expression_vuses. + (get_expression_vuses): New. + (set_expression_vuses): Ditto. + (clear_expression_ids): Modify for expression_vuses. + (phi_translate_1): Ditto. + (phi_translate_set): Ditto. + (value_dies_in_block_x): Ditto + (valid_in_sets): Ditto. + (add_to_sets): Ditto. + (find_existing_value_expr): Ditto. + (create_value_handle_for_expr): Ditto. + (make_values_for_stmt): Ditto. + (vuse_equiv): Remove. + +2007-07-11 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (mostlyclean): Remove object files. + +2007-07-11 Kenneth Zadeck <zadeck@naturalbridge.com> + + * toplev.c (no_new_pseudos): Deleted. + * rtl.h (no_new_pseudos): Deleted. + * tree-pass.h (pass_no_new_pseudos): Deleted. + * passes.c (pass_no_new_pseudos): Deleted. + * final.c (rest_of_clean_state): Removed no_new_pseudos. + (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted. + * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with + reload_completed. + * cfgcleanup.c (try_crossjump_to_edge): Ditto. + * rtlhooks.c (gen_lowpart_general): Ditto. + * optabs.c (prepare_operand): Ditto. + * mode-switching.c (rest_of_handle_mode_switching): Deleted set of + no_new_pseudos. + * modulo-sched.c (rest_of_handle_sms): Ditto. + * see.c (rest_of_handle_see): Ditto. + * ifcvt.c (if_convert): Ditto. + (gate_handle_if_after_combine): Replaced no_new_pseudos with + reload_completed. + * init-regs.c (gate_initialize_regs): Deleted set of + no_new_pseudos. + * lower-subreg.c (decompose_multiword_subregs): Ditto. + * bb-reorder.c (rest_of_handle_partition_blocks): Ditto. + * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p. + +2007-07-11 Uros Bizjak <ubizjak@gmail.com> + + PR target/32661 + * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves. + (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT. + (*vec_extractv2di_1_rex64): New insn pattern. + +2007-07-11 David Daney <ddaney@avtrex.com> + + * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite + return address calculation. Substitute DWARF_ALT_FRAME_RETURN_COLUMN + for SIGNAL_UNWIND_RETURN_COLUMN. + * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove. + (DWARF_FRAME_REGNUM): Rewrite. + (DWARF_ALT_FRAME_RETURN_COLUMN) Define. + +2007-07-11 Nick Clifton <nickc@redhat.com> + + * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous + delta and use gen_int_mode in place of GET_INT instead. + +2007-07-11 Uros Bizjak <ubizjak@gmail.com> + + * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name + and letter field. + +2007-07-11 Douglas Gregor <doug.gregor@gmail.com> + + * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove. + (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical + types or not. + * params.h (VERIFY_CANONICAL_TYPES): Remove. + (USE_CANONICAL_TYPES): New. + * doc/invoke.texi (verify-canonical-types): Remove. + (use-canonical-types): Add. + +2007-07-11 Ulrich Weigand <uweigand@de.ibm.com> + + * config/spu/spu.c (spu_optimization_options): Remove setting of + parameter PARAM_MAX_COMPLETELY_PEEL_TIMES. + (spu_override_options): Move it here. + +2007-07-11 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd. + * config/mips/mips.c (mips_cpu_info_table): Mention + MIPS_ISA_LEVEL_SPEC in the comment. + +2007-07-11 Eric Botcazou <ebotcazou@adacore.com> + + PR tree-optimization/32713 + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST. + +2007-07-11 Paolo Carlini <pcarlini@suse.de> + + PR middle-end/30482 + * c-opts.c (c_common_post_options): Do not change flag_complex_method + conditional to flag_isoc99. + (c_common_init_options): Do it here, unconditionally. + +2007-07-11 Eric Botcazou <ebotcazou@adacore.com> + + PR tree-optimization/32589 + * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule. + * tree-gimple.c (is_gimple_min_invariant): Clarify head comment. + * tree-ssa-propagate.c (valid_gimple_expression_p): New + predicate, extracted from... + (set_rhs): ...here. Call it for the expression on entry. + * tree-ssa-propagate.h (valid_gimple_expression_p): Declare. + * tree-ssa-sccvn.c: Include tree-ssa-propagate.h. + (simplify_binary_expression): Use valid_gimple_expression_p + to validate the simplification. + * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h. + +2007-07-11 Danny Smith <dannysmith@users.sourceforge.net> + + * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to + DWARF2_DEBUG on 32 bit target too. + (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition. + +2007-07-11 Nick Clifton <nickc@redhat.com> + + * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative + version for 64-bit hosts. + +2007-07-10 David Daney <ddaney@avtrex.com> + + * config/mips/mips.h (ISA_HAS_SYNCI): New target capability + predicate. + (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of library + call. + * config/mips/mips.c (mips_expand_synci_loop): New function. + * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant. + (UNSPEC_RDHWR): Same. + (UNSPEC_SYNCI): Same. + (UNSPEC_SYNC): Same. + (clear_cache): New expand. + (sync): New insn. + (synci): Same. + (rdhwr): Same. + (clear_hazard): Same. + * config/mips/mips-protos.h (mips_expand_synci_loop): Declare + function. + * testsuite/gcc.target/mips/clear-cache-1.c: New test. + * testsuite/gcc.target/mips/clear-cache-2.c: New test. + +2007-07-10 Ian Lance Taylor <iant@google.com> + + * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than + no_new_pseudos. + +2007-07-10 David Daney <ddaney@avtrex.com> + + * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin. + * builtins.c (expand_builtin___clear_cache): New function. + (expand_builtin): Call expand_builtin___clear_cache for + BUILT_IN_CLEAR_CACHE case. + * doc/extend.texi (__builtin___clear_cache): Document new builtin. + * doc/md.texi (clear_cache): Document new instruction pattern. + * testsuite/gcc.dg/builtins-64.c: New test. + +2007-07-11 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.md ("movsi"): Fix typo in last change. + +2007-07-09 Geoffrey Keating <geoffk@apple.com> + + PR 32617 + * c-common.c (c_alignof_expr): Look at DECL_ALIGN of + FUNCTION_DECLs. + (handle_aligned_attribute): Allow use on FUNCTION_DECLs. + * varasm.c (assemble_start_function): Honor DECL_ALIGN + for FUNCTION_DECLs. Don't use align_functions_log if + DECL_USER_ALIGN. + * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN + even for FUNCTION_DECLs. + * c-decl.c (merge_decls): Propagate DECL_ALIGN even for + FUNCTION_DECLs. + * tree.h (DECL_ALIGN): Update for new location of 'align'. + (DECL_FUNCTION_CODE): Update for new location and name of + 'function_code'. + (DECL_OFFSET_ALIGN): Update for new location of 'off_align'. + (struct tree_decl_common): Move 'align' and 'off_align' out + of union, ensure they're still on a 32-bit boundary. Remove + other fields in union 'u1'. + (struct tree_function_decl): Add field 'function_code' replacing + 'u1.f' in tree_decl_common. + * tree.c (build_decl_stat): Set initial value of DECL_ALIGN. + * doc/extend.texi (Function Attributes): Add 'aligned' attribute. + (Variable Attributes): Cross-reference 'aligned' attribute + to Function Attributes. + * flags.h (force_align_functions_log): Delete. + * toplev.c (force_align_functions_log): Delete. + +2007-07-10 Uros Bizjak <ubizjak@gmail.com> + + PR target/32708 + * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT. + (*vec_concatv2di_rex): New insn pattern. + +2007-07-10 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + PR target/32538 + * config/mips/iris6.h (LIBGCC_SPEC): Add libm. + +2007-07-10 Ian Lance Taylor <iant@google.com> + + Replace no_new_pseudos in backends. + * rtl.h (can_create_pseudo_p): Define. + * config/darwin.c (machopic_indirect_data_reference): Use + can_create_pseudo_p () instead of no_new_pseudos. + (machopic_indirect_data_reference): Likewise. + (machopic_legitimize_pic_address): Likewise. + * config/alpha/alpha.c (alpha_legitimize_address): Likewise. + (alpha_emit_set_const_1): Likewise. + (alpha_emit_set_const): Likewise. + (alpha_emit_conditional_move): Likewise. + (alpha_split_conditional_move): Likewise. + * config/alpha/alpha.md (various splitters): Likewise. + (movti): Likewise. + * config/arm/arm.c (legitimize_pic_address): Likewise. + (arm_load_pic_register): Likewise. + * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise. + (movdi, movsi, movhi, movqi, movsf, movdf): Likewise. + * config/bfin/bfin.c (legitimize_pic_address): Likewise. + * config/cris/cris.c (cris_expand_pic_call_address): Likewise. + * config/cris/cris.md (movsi): Likewise. + * config/frv/frv.md (symGOT2reg_hilo): Likewise. + (symGOTOFF2reg_hilo): Likewise. + (symGPREL2reg, symGPREL2reg_hilo): Likewise. + * config/h8300/h8300.md (insv, extzv): Likewise. + * config/i386/i386.c (ix86_expand_move): Likewise. + (ix86_expand_vector_move): Likewise. + (ix86_prepare_fp_compare_args): Likewise. + (ix86_expand_carry_flag_compare): Likewise. + * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise. + (tls_dynamic_gnu2_combine_32): Likewise. + (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise. + * config/ia64/ia64.c (ia64_expand_move): Likewise. + (ia64_expand_movxf_movrf): Likewise. + * config/m32c/m32c.c (m32c_prepare_move): Likewise. + (m32c_split_move): Likewise. + (m32c_expand_insv): Likewise. + * config/m68k/m68k.md (movsi): Likewise. + * config/mips/mips.c (mips_force_temporary): Likewise. + (mips_split_symbol): Likewise. + (mips_move_integer): Likewise. + (mips_legitimize_const_move): Likewise. + * config/mn10300/mn10300.md (movsi): Likewise. + * config/pa/pa.c (emit_move_sequence): Likewise. + * config/rs6000/rs6000.c (rs6000_emit_move): Likewise. + (rs6000_got_register): Likewise. + (create_TOC_reference): Likewise. + (rs6000_machopic_legitimize_pic_address): Likewise. + * config/rs6000/rs6000.md (add<mode>3): Likewise. + (various splitters): Likewise. + (iorsi3, xorsi3, iordi3, xordi3): Likewise. + (movsi_got): Likewise. + * config/s390/s390.c (emit_symbolic_move): Likewise. + * config/s390/s390.md (movhi, movqi): Likewise. + (load_multiple, store_multiple): Likewise. + * config/score/score.c (score_force_temporary): Likewise. + * config/sh/sh.c (prepare_move_operands): Likewise. + (prepare_cbranch_operands): Likewise. + (emit_fpu_switch): Likewise. + (fpscr_set_from_mem): Likewise. + * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise. + (adddi3, subsi3): Likewise. + (various splitters): Likewise. + (divsi_inv_fp_combine): Likewise. + (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise. + (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise. + (sne): Likewise. + * config/sh/predicates.md (xor_operand): Likewise. + * config/sparc/sparc.c (legitimize_tls_address): Likewise. + * config/sparc/sparc.md (movsi_pic_label_ref): Likewise. + (movdi_pic_label_ref): Likewise. + * config/spu/spu.c (spu_split_immediate): Likewise. + * config/alpha/alpha.md (various splitters): Remove test + !no_new_pseudos || reload_completed. + * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set + no_new_pseudos. + * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise. + * config/mips/mips.c (mips_output_mi_thunk): Likewise. + * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise. + * config/score/score.c (th_output_mi_thunk): Likewise. + * config/sh/sh.c (sh_output_mi_thunk): Likewise. + * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise. + +2007-07-10 Kaz Kojima <kkojima@gcc.gnu.org> + + PR rtl-optimization/32664 + * mode-switching.c (create_pre_exit): Skip barrier insns. + +2007-07-10 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-scalar-evolution.c (scev_const_prop): Add arguments to + force_gimple_operand_bsi. + * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr, + rewrite_use_compare): Ditto. + * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref): + Ditto. + * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto. + * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto. + * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto. + * tree-profile.c (prepare_instrumented_value, + tree_gen_interval_profiler, tree_gen_pow2_profiler, + tree_gen_one_value_profiler, tree_gen_ic_profiler, + tree_gen_ic_func_profiler, tree_gen_average_profiler, + tree_gen_ior_profiler): Ditto. + * tree-ssa-reassoc.c (negate_value): Ditto. + * matrix-reorg.c (transform_access_sites, transform_allocation_sites): + Use force_gimple_operand_bsi. + * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto. + * tree-if-conv.c (add_to_dst_predicate_list, + find_phi_replacement_condition): Ditto. + * gimplify.c (force_gimple_operand_bsi): Add before and m arguments. + Call mark_symbols_for_renaming for new statements. + * tree-flow.h (force_gimple_operand_bsi): Declaration changed. + +2007-07-10 Zdenek Dvorak <dvorakz@suse.cz> + + * cfghooks.c (remove_edge): New function. + (redirect_edge_and_branch, remove_branch, merge_blocks): Updated + loop exit rescans. + * cfghooks.h (remove_edge): Declare. + * cfg.c (remove_edge): Renamed to remove_edge_raw. + * basic-block.h (remove_edge): Declaration changed to remove_edge_raw. + +2007-07-09 Wolfgang Gellerich <gellerich@de.ibm.com> + + * optabs.h: Added declaration for signbit_optab. + * optabs.c: (init_optabs): Added initialization for signbit_optab. + * genoptinit.c (optabs): Added entry for signbit insns. + * builtins.c (expand_builtin_signbit): Added code to use a signbit + insn, if available. + * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant. + * config/s390/s390.md (signbit<mode>2): New expander. + +2007-07-09 Richard Guenther <rguenther@suse.de> + + PR middle-end/32698 + * fold-const.c (fold_plusminus_mult_expr): Move constant + arguments second to allow decomposing. + +2007-07-09 Alexandre Oliva <aoliva@oliva.athome.lsd.ic.unicamp.br> + + Revert: + 2007-07-06 Alexandre Oliva <aoliva@redhat.com> + PR debug/23551 + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): + Disregard DECL_FROM_INLINE. + +2007-07-09 Uros Bizjak <ubizjak@gmail.com> + + PR target/27855 + * doc/invoke.texi: Add ftree-reassoc flag. + * common.opt (ftree-reassoc): New flag. + * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function. + (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc. + +2007-07-09 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/32681 + * tree-if-conv.c (find_phi_replacement_condition): Use the condition + saved in second_edge->aux when first_bb is a loop header. + +2007-07-09 Jan HUbicka <jh@suse.cz> + + * cse.c (cse_insn): Avoid invalid sharing on trial replacement. + +2007-07-09 Richard Guenther <rguenther@suse.de> + + * c-decl.c (start_function): Do not promote return type. + +2007-07-08 Daniel Franke <franke.daniel@gmail.com> + + * function.c (do_warn_unused_parameter): Do not warn if + TREE_NO_WARNING is set. + +2007-07-08 Andreas Schwab <schwab@suse.de> + + * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo. + +2007-07-08 Sandra Loosemore <sandra@codesourcery.com> + + Revert this patch: + 2007-07-06 Sandra Loosemore <sandra@codesourcery.com> + + * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS + apply to assembly language, too. + * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update. + +2007-07-07 Daniel Berlin <dberlin@dberlin.org> + + Revert (note the sccvn portions are *not* reverted) + 2007-07-06 Daniel Berlin <dberlin@dberlin.org> + + Fix PR tree-optimization/23488 + + * tree-vn.c (set_value_handle): Use decl_vh_map for decl value + handles. + * tree-flow-inline.h (get_value_handle): Ditto. + * tree-ssa-pre.c (decl_vh_map): New. + (decl_node_pool): New. + (can_value_number_operation): Support DECL_P. + (can_PRE_operation): Ditto. + (create_expression_by_pieces): Ditto. + (find_existing_value_expr): Modify to differnetiate between + addressing and top level. + (create_value_handle_for_expr): Handle DECL's. + (poolify_tree): Ditto. + (make_values_for_phi): Don't insert into PHI_GEN during FRE. + (make_values_for_stmt): Handle DECL's properly. + (init_pre): Reorg to not init useless things during FRE. + (fini_pre): Ditto. + * tree-flow.h: Include pointer-set.h. + (decl_vh_map): Declare. + * Makefile.in (TREE_FLOW_H): Add pointer-set.h + +2007-07-07 Eric Weddington <eweddington@cso.atmel.com> + + * config/avr/constraints.md (define_memory_constraint "Q"): Fix + the constraint description. + * doc/md.texi: Update documentation of AVR constraints. + +2007-07-07 Kazu Hirata <kazu@codesourcery.com> + + * auto-inc-dec.c, config/arm/arm.c, + config/m32r/constraints.md, config/mips/mips.md, + config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c, + df-problems.c, df-scan.c, df.h, dse.c, gimplify.c, + tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment + typos. Follow spelling conventions. + * doc/invoke.texi, doc/rtl.texi: Fix typos. + + * cfgrtl.c (delete_insn_chain_and_edges): Remove. + * rtl.h: Remove the prototype for delete_insn_chain_and_edges. + + * tree-ssa-operands.c (realloc_vop, realloc_vdef, + realloc_vuse): Remove. + * tree-ssa-operands.h: Remove the prototype for realloc_vdef + and realloc_vuse. + +2007-07-06 Daniel Berlin <dberlin@dberlin.org> + + Fix PR tree-optimization/23488 + + * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration. + (try_to_simplify): Ditto. + (visit_use): Ditto. + * tree-vn.c (set_value_handle): Use decl_vh_map for decl value + handles. + * tree-flow-inline.h (get_value_handle): Ditto. + * tree-ssa-pre.c (decl_vh_map): New. + (decl_node_pool): New. + (can_value_number_operation): Support DECL_P. + (can_PRE_operation): Ditto. + (create_expression_by_pieces): Ditto. + (find_existing_value_expr): Modify to differnetiate between + addressing and top level. + (create_value_handle_for_expr): Handle DECL's. + (poolify_tree): Ditto. + (make_values_for_phi): Don't insert into PHI_GEN during FRE. + (make_values_for_stmt): Handle DECL's properly. + (init_pre): Reorg to not init useless things during FRE. + (fini_pre): Ditto. + * tree-flow.h: Include pointer-set.h. + (decl_vh_map): Declare. + * Makefile.in (TREE_FLOW_H): Add pointer-set.h + +2007-07-06 Sandra Loosemore <sandra@codesourcery.com> + + * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS + apply to assembly language, too. + * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update. + +2007-07-06 Ian Lance Taylor <iant@google.com> + Zack Weinberg <zackw@panix.com> + + PR middle-end/32441 + * builtins.c (std_expand_builtin_va_start): Don't use make_tree. + +2007-07-06 Richard Sandiford <richard@codesourcery.com> + + * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP. + (prefetch): Likewise if "pref" would be used. + +2007-07-06 Josh Conner <jconner@apple.com> + + PR middle-end/32602 + PR middle-end/32603 + * calls.c (store_one_arg): Handle arguments which are partially + on the stack when detecting argument overlap. + +2007-07-06 Bernd Schmidt <bernd.schmidt@analog.com> + + * reload1.c (choose_reload_regs): Set reload_spill_index for regs + chosen during find_reloads. + +2007-07-06 Richard Guenther <rguenther@suse.de> + + * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over + TYPE_ARG_TYPES for verification of argument types. Use + DECL_ARG_TYPE instead of the PARM_DECL type. Take excess + parameters as variable arguments. + +2007-07-06 Andreas Krebbel <krebbel1@de.ibm.com> + + * libgcc2.h (word_type): Type definition removed. + (cmp_return_type, shift_count_type): Type definitions added. + (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter + replaced with shift_count_type. + (__cmpdi2, __ucmpdi2): word_type of return type replaced with + cmp_return_type. + * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c + changed from word_type to Wtype. + (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter + replaced with shift_count_type. + (__cmpdi2, __ucmpdi2): word_type of return type replaced with + cmp_return_type. + * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return + and libgcc_shift_count attribute added. + * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE, + TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined. + (TARGET_INITIALIZER): New target hooks added. + * targhooks.c (default_libgcc_cmp_return_mode, + default_libgcc_shift_count_mode): Default implementations for the new + target hooks added. + * targhooks.h (default_libgcc_cmp_return_mode, + default_libgcc_shift_count_mode): Function prototypes added. + * target.h (struct gcc_target): Fields for the new target hooks added. + * optabs.c (expand_binop): Use shift_count_mode when expanding shift + as library call. + (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as + library call. + + * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE, + TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added. + + * config/s390/s390.c (s390_libgcc_cmp_return_mode, + s390_libgcc_shift_count_mode): Functions added. + (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE): + Target hooks defined. + +2007-07-06 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (compute_frame_size): Restore the original + gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the + fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation. + Document why the difference is needed. + +2007-07-06 Richard Guenther <rguenther@suse.de> + + * c-common.c (boolean_increment): Use correctly typed + constant. + +2007-07-06 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that + the topmost argument register is not also included in the save mask. + (mips16e_collect_argument_save_p): Take a pointer to the argument + register, rather than a pointer to the number of arguments. + (mips16e_collect_argument_saves): Only include argument saves + that aren't in the register mask. + +2007-07-06 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/32450 + * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn + to ensure that instructions are not moved into the prologue when + profiling is on. Remove unused prologue_end variable. + (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx + as a scheduling barrier. + +2007-07-06 Alexandre Oliva <aoliva@redhat.com> + + PR debug/23551 + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): + Disregard DECL_FROM_INLINE. + +2007-07-05 Adam Nemet <anemet@caviumnetworks.com> + + * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or + IORing with a constant. + +2007-07-05 Seongbae Park <seongbae.park@gmail.com> + + PR rtl-optimization/32475 + * df-scan.c (df_def_record_1): Add a use of the stack pointer + for every definition of the stack pointer. + +2007-07-05 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (vfp3_const_double_index): Copy signed results of + REAL_VALUE_TO_INT into unsigned vars. + +2007-07-05 Richard Guenther <rguenther@suse.de> + + PR middle-end/32639 + * alias.c (get_alias_set): Tread METHOD_TYPE the same as + FUNCTION_TYPE. + * tree-ssa.c (useless_type_conversion_p): Check canonical + types early. + +2007-07-05 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2, + zero_extendhisi2): Change to define_insn_and_split. + (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New. + +2007-07-05 Paolo Bonzini <bonzini@gnu.org> + + * function.c (match_asm_constraints_1, rest_of_match_asm_constraints, + pass_match_asm_constraints): New. + * passes.c (init_optimization_passes): Add new pass. + * stmt.c (expand_asm_operands): Set cfun->has_asm_statement. + * function.h (struct function): Add has_asm_statement bit. + (current_function_has_asm_statement): New. + * tree-pass.h (pass_match_asm_constraints): New. + +2007-07-05 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_file_start): Avoid declaration + after code. + +2007-07-05 Sandra Loosemore <sandra@codesourcery.com> + + * optabs.c (expand_binop_directly): Fix signed/unsigned comparison. + +2007-07-05 Uros Bizjak <ubizjak@gmail.com> + + * rtl.def (NOTE): Change print format string to print + operand 5 as a note insn name. + +2007-07-05 Sandra Loosemore <sandra@codesourcery.com> + David Ung <davidu@mips.com> + + * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors. + * doc/invoke.texi: (MIPS Options): Document them. + +2007-07-05 Sandra Loosemore <sandra@codesourcery.com> + David Ung <davidu@mips.com> + + Add support for SmartMIPS ASE. + + * optabs.c (expand_binop_directly): New, broken out from... + (expand_binop): Here. Make it try rotating in the other + direction even when the second operand isn't constant. + * config/mips/mips.md (*lwxs): New. + * config/mips/mips.opt (msmartmips): New. + * config/mips/mips.c (mips_lwxs_address_p): New. + (mips_rtx_costs): Make it recognize scaled indexed addressing. + * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define + __mips_smartmips when compiling for TARGET_SMARTMIPS. + (ISA_HAS_ROR): Define for TARGET_SMARTMIPS. + (ISA_HAS_LWXS): New. + (ASM_SPEC): Add -msmartmips/-mno-smartmips. + * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips. + * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case. + * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case. + * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case. + * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case. + * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case. + +2007-07-05 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vectorizer.c (new_loop_vec_info): Initialize + LOOP_VINFO_COST_MODEL_MIN_ITERS. + * tree-vectorizer.h (_loop_vec_info): Added new filed + min_profitable_iters. + (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field. + (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation. + * tree-vect-analyze.c (vect_analyze_operations): Set + LOOP_VINFO_COST_MODEL_MIN_ITERS. + * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use + VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS. + Fix calculation of peel_iters_prologue. Move consideration of epilogue + and prologue cost to after they are computed. + (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of + TARG_VEC_STMT_COST. + (vect_model_simple_cost): Takes additional argument dt. Consider cost + of creating vectors from scalars according to dt. + (vect_model_store_cost): Likewise. + (vectorizable_call): Use dt array instead of scalar dt. Call + vect_model_simple_cost with additional argument dt. + (vectorizable_assignment): Likewise. + (vectorizable_operation): Likewise. + (vectorizable_type_demotion): Likewise. + (vectorizable_type_promotion): Likewise. + (vectorizable_store): Use dt array instead of scalar dt. Call + vect_model_store_cost with additional argument dt. + (vect_do_peeling_for_loop_bound): Don't call + vect_estimate_min_profitable_iters. Instead, lookup + LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print + "may not be profitable". + +2007-07-05 Dorit Nuzman <dorit@il.ibm.com> + + PR testsuite/32014 + * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF): + (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New. + (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns. + (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns. + +2007-07-05 Zdenek Dvorak <dvorakz@suse.cz> + + * config/i386/i386.c (ix86_address_cost): Do not consider more complex + addressing modes cheaper. + +2007-07-05 Alexandre Oliva <aoliva@redhat.com> + + * dwarf2out.c (dw_ranges_by_label_ref): New typedef. + (dw_ranges_struct): Rename block_num to num. Adjust. + (dw_ranges_by_label_struct): New. + (ranges_by_label, ranges_by_label_allocated, + ranges_by_label_in_use): New variables. + (add_ranges_num): Factored most of the code out of... + (add_ranges): ... this one. Rewrite in terms of the former. + (add_ranges_by_labels): New. + (output_ranges): Output by-label ranges. + (dwarf2out_finish): Output range for multiple-section + compile_unit. Output standard DW_AT_low_pc in addition to + unexpected DW_AT_entry_pc. + +2007-07-04 Daniel Berlin <dberlin@dberlin.org> + + PR tree-optimization/32604 + PR tree-optimization/32606 + + * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads. + (compute_antic_safe): Removed. + (ANTIC_SAFE_LOADS): Ditto. + (compute_antic_aux): Don't print ANTIC_SAFE_LOADS. + (execute_pre): Don't call compute_antic_safe. + (vuse_equiv): New function. + (make_values_for_stmt): Use it + * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is + not always true. + +2007-07-04 Anatoly Sokolov <aesok@post.ru> + + PR target/31331 + * config/avr/avr.c (avr_naked_function_p): Handle receiving a type + rather than a decl. + (avr_attribute_table): Make "naked" attribute apply to function types + rather than to decls. + (avr_handle_fntype_attribute): New function. + +2007-07-04 Joseph Myers <joseph@codesourcery.com> + + * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace + after \. + +2007-07-04 David Ung <davidu@mips.com> + Joseph Myers <joseph@codesourcery.com> + + * config/mips/mips.md (type): Add logical, signext and move. + (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3, + *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16, + *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend + combinations", *zero_extend<SHORT:mode><GPR:mode>2, + *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e, + *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit, + *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc, + *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16, + *movsf_hardfloat, *movsf_softfloat, *movsf_mips16, + *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, + movv2sf_hardfloat_64bit): Use the new types. + (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16, + *movdf_softfloat, *movdf_mips16): Use "multi". + (extendqihi2): Replace with a define_expand. + (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New. + Based on extend<SHORT:mode><GPR:mode>2 patterns. + * config/mips/74k.md (r74k_int_logical): New reservation and + bypasses. + (r74k_int_arith): Remove "slt". + * 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/9000.md, config/mips/generic.md, + config/mips/sb1.md, config/mips/sr71k.md: Add new types to + reservations for "arith". + +2007-07-04 Richard Guenther <rguenther@suse.de> + + * tree-ssa.c (useless_type_conversion_p): Add handling for + scalar float and vector types. Only call the types_compatible_p + langhook for aggregate types as last resort. Follow the + rules. + +2007-07-04 Richard Guenther <rguenther@suse.de> + + * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR + the same as NOP_EXPR. + +2007-07-04 Nick Clifton <nickc@redhat.com> + + * target.h (struct gcc_target): Add target_help field. + * target-def.h (TARGET_HELP): New. + (TARGET_INITIALIZER): Use TARGET_HELP. + * opts.c (command_handle_option): Invoke target_help function, if + defined, when the user has specified --target-help on the command + line. + * doc/invoke.texi: Mention that --target-help might print + additional information. + * doc/tm.texi: Document TARGET_HELP hook. + + * arm.c (TARGET_HELP): Override default definition. + (arm_target_help): New - display a wrapped list of cores and + architectures supported. + +2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * config/v850/v850.c (expand_prologue): Make sure + GEN_INT() argument is sign extended rather than zero extended. + (expand_epilogue): Likewise. + (output_move_double): Delete. + * config/v850/v850-protos.h (output_move_double): Delete. + * config/v850/v850.md (movdi): Delete. + (*movdi_internal): Delete. + (movdf): Delete. + (*movdf_internal): Delete. + +2007-07-04 Richard Sandiford <richard@codesourcery.com> + + * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax + unless compiling RTP PIC. + +2007-07-04 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/32482 + * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the + original ssa name if we didn't find a shift expression. + Fix shift constant for bit zero test. + +2007-07-04 Richard Sandiford <richard@codesourcery.com> + + * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool. + +2007-07-04 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (arm-wrs-vxworks): Don't include svr4.h. + * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define. + * config/arm/vxworks.h (ASM_SPEC): Delete. + (SUBTARGET_EXTRA_ASM_SPEC): Define. + +2007-07-04 Sebastian Pop <sebpop@gmail.com> + + * tree-data-ref.h (data_dependence_relation): New flag reversed_p. + (DDR_REVERSED_P): New. + * tree-data-ref.c (initialize_data_dependence_relation, + build_classic_dist_vector): Set DDR_REVERSED_P. + +2007-07-04 Sebastian Pop <sebpop@gmail.com> + + PR middle-end/32457 + * tree-data-ref.c (analyze_siv_subscript_cst_affine, + compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine, + init_omega_for_ddr_1): Use non conservative number of iterations + estimations. + (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int. + (analyze_siv_subscript): Remove FIXME and reinitialization of + last_conflicts to chrec_dont_know. + * testsuite/gfortran.dg/vect/pr32457.f90: New. + +2007-07-04 Douglas Gregor <doug.gregor@gmail.com> + + * tree.c (maybe_canonicalize_argtypes): Improve description. + +2007-07-04 Douglas Gregor <doug.gregor@gmail.com> + + * tree.c (maybe_canonicalize_argtypes): New. + (build_function_type): Set canonical type. + (build_method_type_directly): Ditto. + (reconstruct_complex_type): Rebuild the METHOD_TYPE node + properly. + +2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR + like PLUS_EXPR. + (rewrite_use_nonlinear_expr): Likewise. + +2007-07-03 Seongbae Park <seongbae.park@gmail.com> + + * rtl.def (UNSPEC, USE, CLOBBER): More comments. + +2007-07-04 Ben Elliston <bje@au.ibm.com> + + * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top + of this file. + + * c-objc-common.c (c_types_compatible_p): Fix indentation. + + * doc/tm.texi (Run-time Target): Capitalise "CPU". + (Exception Handling): Likewise. + +2007-07-03 Jan Hubicka <jh@suse.cz> + + * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing. + +2007-07-03 Eric Christopher <echristo@apple.com> + + * doc/cppopts.texi: Add conflicting option note to -dM. + * doc/invoke.texi: Add note about possible conflicts with + -E for -dCHARS and note that -dM will not produce + any results if there is no machine dependent reorg. + +2007-07-03 Geoffrey Keating <geoffk@apple.com> + + * tree.h (DECL_ALIGN): Back out previous change. + +2007-07-03 Joseph Myers <joseph@codesourcery.com> + + * configure.ac: Test for .dtprelword support on MIPS. + * configure, config.in: Regenerate. + * config/mips/mips.c (mips_output_dwarf_dtprel): New. + (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define. + +2007-07-03 Julian Brown <julian@codesourcery.com> + + * config.gcc (with_fpu): Allow --with-fpu=vfp3. + * config/arm/aout.h (REGISTER_NAMES): Add D16-D31. + * config/arm/aof.h (REGISTER_NAMES): Add D16-D31. + * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor + capability. + (all_fpus): Add FPUTYPE_VFP3. + (fp_model_for_fpu): Add VFPv3 field. + (arm_rtx_costs_1): Give cost to VFPv3 constants. + (vfp3_const_double_index): New function. Return integer index of + VFPv3 constant suitable for fconst[sd] insns, or -1 if constant + isn't suitable. + (vfp3_const_double_rtx): New function. True if VFPv3 is enabled + and argument represents a valid RTX for a VFPv3 constant. + (vfp_output_fldmd): Split fldmd with > 16 registers in the list into + two instructions. + (vfp_emit_fstmd): Similar, for fstmd. + (arm_print_operand): Implement new code 'G' for VFPv3 floating-point + constants, represented as integer indices. + (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE, + VFP_REGNO_OK_FOR_DOUBLE macros. + (arm_regno_class): Handle VFPv3 d0-d7, low, high register split. + (arm_file_start): Set float-abi attribute for VFPv3, and output + correct ".fpu" assembler directive. + (arm_dbx_register_numbering): Add FIXME. + * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3. + (fputype): Add FPUTYPE_VFP3. + (FIXED_REGISTERS): Add 32 registers for D16-D31. + (CALL_USED_REGISTERS): Likewise. + (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition + of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present. + (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3. + (D7_VFP_REGNUM): New. + (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM) + (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE) + (VFP_REGNO_OK_FOR_DOUBLE): Define new macros. + (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3. + (REG_ALLOC_ORDER): Adjust for VFPv3. + (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS. + (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS, + VFP_LO_REGS, VFP_HI_REGS. + (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS. + (IS_VFP_CLASS): Define macro. + (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use + IS_VFP_CLASS. + (REGISTER_MOVE_COST): Likewise. + * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype. + * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127. + (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp) + (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp) + (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp) + (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp) + (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp) + (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2) + (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2) + (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp) + (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't' + where appropriate for single-word registers. + (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp): + As above. Fix type attributes. + * config/arm/constraints.md (register_contraint "t"): Define. + (register_constraint "w"): Change to D0-D15, or D0-D31 for + VFPv3/NEON. + (register_constraint "x"): Define. + (constraint "Dv"): Define. + +2007-07-03 Geoffrey Keating <geoffk@apple.com> + + * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL. + +2007-07-03 Tom Tromey <tromey@redhat.com> + + * c-parser.c (objc_pq_context): Removed. + (objc_need_raw_identifier): Likewise. + (c_parser) <objc_pq_context>: New field. + <objc_need_raw_identifier>: Likewise. + (OBJC_NEED_RAW_IDENTIFIER): Removed. + (c_lex_one_token): Update. + (c_parser_objc_protocol_definition): Update. + (c_parser_objc_method_definition): Update. + (c_parser_objc_methodproto): Update. + (c_parser_declspecs): Update. + +2007-07-03 David Ung <davidu@mips.com> + + * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors. + +2007-07-03 David Ung <davidu@mips.com> + Richard Sandiford <richard@codesourcery.com> + + * doc/invoke.texi: Document -march=74kf3_2. + * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type. + (TUNE_74K): Check for it. + * config/mips/mips.c (mips_cpu_info): Add 74kf3_2. + (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2. + * config/mips/mips.md (cpu): Add 74kf3_2. + * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop) + (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo) + (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump) + (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add + 74kf3_2 to the CPU list. + (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore) + (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf) + (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df) + (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1) + (r74kf3_2_fxfer_from_c1): New insn reservations. + +2007-07-03 Richard Sandiford <richard@codesourcery.com> + David Ung <davidu@mips.com> + + * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and + -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx] + and 74k[fx]. Document aliases for the new options. + * config/mips/mips.h (PROCESSOR_24KF): Rename to... + (PROCESSOR_24KF2_1): ...this. + (PROCESSOR_24KX): Rename to... + (PROCESSOR_24KF1_1): ...this. + (PROCESSOR_74KF): Rename to... + (PROCESSOR_74KF2_1): ...this. + (PROCESSOR_74KX): Rename to... + (PROCESSOR_74KF1_1): ...this. + (TUNE_74K): Update PROCESSOR_* names. + * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym + for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise + the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names. + (mips_rtx_cost_data): Update processor names in comments. + (mips_issue_rate): Update PROCESSOR_* names. + * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to + 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1. + * config/mips/24k.md: Rename FPU-related r24k_* insn reservations + to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*. + Update cpu attribute names. + (r24k_fpu_iss): Rename this reservation to... + (r24kf2_1_fpu_iss): ...this and update all uses. + (r24kx_fpu_iss): Rename this reservation to... + (r24kf1_1_fpu_iss): ...this and update all uses. + * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations + to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*. + Update cpu attribute names. + +2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/m32r/constraints.md: New file. + * config/m32r/m32r.c: Include tm-constrs.h. + (small_data_operand): Use satisfies_constraint_* instead of macro. + (addr24_operand, gen_compare): Likewise. + * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove. + (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT, + CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, + EXTRA_CONSTRAINT): Likewise. + * config/m32r/m32r.md: Include constraints.md. + (*movsi_insn): Use satisfies_constraint_* instead of macro. + (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise. + * config/m32r/predicates.md (conditional_move_operand): Likewise. + (two_insn_const_operand, int8_operand, uint16_operand, + reg_or_int16_operand, reg_or_uint16_operand, + reg_or_cmp_int16_operand, cmp_int16_operand, + seth_add3_operand): Likewise. + +2007-07-03 Eric Christopher <echristo@gmail.com> + + * libgcc2.h: Conditionally declare __bswapsi2 and + __bswapdi2. + +2007-07-03 H.J. Lu <hongjiu.lu@intel.com> + + * ddg.c (check_sccs): Define only if ENABLE_CHECKING is + defined. + +2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + PR target/28307 + * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK] + (__gthrw_pragma): Provide default definition. + (__gthrw2): Use it. + * gthr-posix.c (__gthrw_pragma): Define. + +2007-07-03 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p + before declaring inequality. + +2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * combine.c (recog_for_combine): Log the success or failure of + matching new insn patterns against the machine description in + detailed dumps. + +2007-07-03 Revital Eres <eres@il.ibm.com> + + * ddg.c (print_sccs): New function. + (check_sccs): New function. + (create_ddg_all_sccs): Use it. + * ddg.h (print_sccs): Declare. + * modulo-sched.c (sms_order_nodes): Call print_sccs. + +2007-07-03 Uros Bizjak <ubizjak@gmail.com> + + * targhooks.h (default_mode_for_suffix): New function declaration. + * targhooks.c (default_mode_for_suffix): New default target hook. + * target.h (struct c): New structure in the targetm struct. + (mode_for_suffix): New target hook as part of struct c. + target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as + default_mode_for_suffix. + (TARGET_C): New define. + * c-lex.c: Include "target.h". + (interpret_float): Use targetm.c.mode_for_suffix to determine + the mode for a given non-standard suffix. + Makefile.in (c-lex.o): Depend on $(TARGET_H). + + * config/i386/i386.c (ix86_c_mode_for_suffix): New static function. + (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix. + + * doc/extend.texi (Floating Types): New node. Document __float80 and + __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes. + +2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/32506 + * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand + predicate instead of target_operand. + (divsi3_i1_media, divsi3_media_2): Likewise. + +2007-07-02 Eric Botcazou <ebotcazou@adacore.com> + + * tree.h (alias_sets_might_conflict_p): Rename into + alias_sets_must_conflict_p. + * alias.c (alias_sets_might_conflict_p): Likewise. + (alias_sets_conflict_p): Use it. + (objects_must_conflict_p): Likewise. + * c-common.c (strict_aliasing_warning): Adjust. + +2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * rtlhooks.c (gen_lowpart_if_possible): Check for + invalid subreg before calling gen_lowpart_SUBREG. + +2007-07-02 Geoffrey Keating <geoffk@apple.com> + + * config/darwin9.h: Add copyright notice. + (LINK_COMMAND_SPEC): Add comment. + (DARWIN_LIBSYSTEM_HAS_UNWIND): Define. + * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on + DARWIN_LIBSYSTEM_HAS_UNWIND. + +2007-07-02 Jakub Jelinek <jakub@redhat.com> + + PR libgomp/32468 + * omp-low.c (check_combined_parallel): New function. + (lower_omp_parallel): Call it via walk_stmts, set + OMP_PARALLEL_COMBINED if appropriate. + (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS + isn't the only statement in WS_ENTRY_BB or OMP_RETURN + the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED, + don't consider it as combined parallel. + +2007-07-02 Richard Sandiford <richard@codesourcery.com> + + * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix). + (gcc_tooldir): Likewise. + * configure: Regenerate. + * Makefile.in (libsubdir_to_prefix): New variable, based on the + old configure.ac gcc_tooldir setting. + (prefix_to_exec_prefix): New variable. + (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix) + rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX. + +2007-07-02 Daniel Berlin <dberlin@dberlin.org> + + Fix PR tree-optimization/32583 + Fix PR tree-optimization/32584 + * tree-ssa-pre.c (phi_translate): Always pass seen bitmap. + (phi_translate_set): Use phi_translate directly now. + (make_values_for_stmt): Don't value number RHS if we already know + it is constant. + +2007-07-02 Steve Ellcey <sje@cup.hp.com> + Jim Wilson <wilson@specifix.com> + + PR target/31684 + * haifa-sched.c (add_to_speculative_block): Change copy_rtx to + copy_insn. + +2007-07-02 Sandra Loosemore <sandra@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * config/mips/mips-protos.h (mips16e_save_restore_info): New struct. + (mips16e_output_save_restore): Declare. + (mips16e_save_restore_pattern_p): Likewise. + * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro. + * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8 + for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16 + && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT. + (BITSET_P): New global macro, extracted from... + (mips_for_each_saved_reg): ...here. + (mips16e_save_restore_info): New struct. + (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables. + (mips16e_save_restore_regs): New variable. + (mips_split_plus, mips16e_find_first_register): New functions. + (mips16e_mask_registers): New function. + (compute_frame_size): Expand the commentary before the function. + Enforce the MIPS16e save and restore register range restrictions. + Pad the general register save area at the low end. + (mips16e_save_restore_reg, mips16e_build_save_restore) + (mips16e_save_restore_pattern_p, mips16e_add_register_range) + (mips16e_output_save_restore, mips16e_collect_propagate_value) + (mips16e_collect_argument_save, mips16e_collect_argument_saves): + New functions. + (mips_expand_prologue, mips_expand_epilogue): Handle + GENERATE_MIPS16E_SAVE_RESTORE. + * config/mips/mips.md (*mips16e_save_restore): New pattern. + +2007-07-02 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/31966 + PR tree-optimization/32533 + * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not + "basic_block" description as its third argument. Update function + calls to get destination bb from "edge" argument. Save "cond" into + aux field of the edge. Update prototype for changed arguments. + (if_convertible_loop_p): Clear aux field of incoming edges if bb + contains phi node. + (find_phi_replacement_condition): Operate on incoming edges, not + on predecessor blocks. If there is a condition saved in the + incoming edge aux field, AND it with incoming bb predicate. + Return source bb of the first edge. + (clean_predicate_lists): Clean aux field of outgoing node edges. + (tree_if_conversion): Do not initialize cond variable. Move + variable declaration into the loop. + (replace_phi_with_cond_gimple_modify_stmt): Remove unneded + initializations of new_stmt, arg0 and arg1 variables. + +2007-07-02 Jakub Jelinek <jakub@redhat.com> + + * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p, + SSA_NAMEs, RESULT_DECLs and PARM_DECLs. + +2007-07-02 Richard Guenther <rguenther@suse.de> + + * tree-ssa.c (useless_type_conversion_p): Document + future intent as defining the middle-end type system. + Re-structure to call langhook last, group by type class, + mark questionable parts. + +2007-07-02 Richard Guenther <rguenther@suse.de> + + * tree-flow.h (types_compatible_p): Declare. + * tree-ssa.c (types_compatible_p): New function. + * ipa-type-escape.c (discover_unique_type): Use + types_compatible_p instead of lang_hooks.types_compatible_p. + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise. + * tree-vn.c (expressions_equal_p): Likewise. + * tree.c (fields_compatible_p): Likewise. + * tree-ssa-dom.c (avail_expr_eq): Likewise. + (cprop_operand): Use useless_type_conversion_p instead of + lang_hooks.types_compatible_p. + * tree-inline.c (setup_one_parameter): Likewise. + (declare_return_variable): Likewise. + * tree-nrv.c (tree_nrv): Likewise. + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise. + (maybe_fold_offset_to_component_ref): Likewise. + (maybe_fold_offset_to_reference): Likewise. + * tree-ssa-copy.c (may_propagate_copy): Likewise. + (merge_alias_info): Likewise. + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise. + * tree-ssa-phiopt.c (conditional_replacement): Likewise. + * tree-ssa-reassoc.c (optimize_ops_list): Likewise. + * tree-tailcall.c (find_tail_calls): Likewise. + * tree-vect-generic.c (expand_vector_operations_1): Likewise. + * gimplify.c (canonicalize_addr_expr): Likewise. + (fold_indirect_ref_rhs): Likewise. + (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type. + (cpt_same_type): Likewise. + (check_pointer_types_r): Swap parameters to cpt_same_type + where appropriate. + * fold-const.c (fold_convert): Revert fix for PR15988. + * tree-inline.c (setup_one_parameter): Instead fix it here by + using fold_build1 instead of fold_convert and checking for + error_mark_node. Convert only if the conversion is necessary. + +2007-07-02 Joseph Myers <joseph@codesourcery.com> + + * configure.ac: Check for .gnu_attribute on Power. + * configure: Regenerate. + * config/rs6000/rs6000.c (rs6000_file_start): If supported, output + attribute for floating-point ABI. + +2007-07-02 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/32230 + PR tree-optimization/32477 + * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base + address is a constant. + +2007-07-02 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*) + (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*) + (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level + stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT. + Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the + 64-bit targets. Add support for *-elfoabi*. + * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use + different settings if $(tm_defines) does not select the EABI. + (MULTILIB_EXCLUSIONS): Define in those circumstances. + * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro. + (MIPS_ARCH_OPTION_SPEC): Likewise. + (MIPS_ISA_LEVEL_SPEC): Likewise. + (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC. + * config/mips/elfoabi.h: New file. + +2007-07-02 Richard Guenther <rguenther@suse.de> + + * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ... + (useless_type_conversion_p): ... this. + * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ... + (useless_type_conversion_p): ... this. + * builtins.c (fold_builtin_memory_op): Rename + tree_ssa_useless_type_conversion_1 to useless_type_conversion_p. + * tree-cfg.c (verify_expr): Likewise. + * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise. + * tree-ssa-ccp.c (ccp_fold): Likewise. + * tree-ssa-copy.c (may_propagate_copy): Likewise. + * tree-ssa-dom.c (eliminate_redundant_computations): Likewise. + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise. + * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise. + * tree-ssa-pre.c (eliminate): Likewise. + * tree-ssa.c (delete_tree_ssa): Likewise. + (tree_ssa_useless_type_conversion): Likewise. + * tree.c (build2_stat): Likewise. + +2007-07-01 Daniel Berlin <dberlin@dberlin.org> + + Fix PR tree-optimization/32571 + * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid + simplifying them. + +2007-07-01 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants + and other expected operations explicitly, change default to + gcc_unreachable. + +2007-07-01 Daniel Jacobowitz <dan@codesourcery.com> + + * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a + PARALLEL. + * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight) + (tls_load_dot_plus_eight): Move the label number into the unspec. + * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise. + +2007-07-01 Andreas Schwab <schwab@suse.de> + + * dwarf2out.c (initial_return_save): Define only if used. + +2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com> + + Unreverting Richard's Revert of: + + 2007-06-27 Richard Sandiford <richard@codesourcery.com> + + * dce.c (deletable_insn_p_1): New function, split out from... + (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs + specially, not those inside PARALLELs. Remove BODY argument + and adjust recursive call accordingly. + (prescan_insns_for_dce): Update call to delete_insn_p. + +2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com> + Revital Eres <eres@il.ibm.com> + + * ddg.c (create_ddg_all_sccs): Fix missed + initialization of scc_nodes. + +2007-07-01 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/32559 + * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or + X + ~X to 1 only for INTEGRAL_TYPE_P type. + +2007-06-30 Joseph Myers <joseph@codesourcery.com> + + * configure.ac: Check for .gnu_attribute on MIPS. + * configure, config.in: Regenerate. + * config/mips/mips.c (mips_file_start): If supported, output + attribute for floating-point ABI. + +2007-06-30 Uros Bizjak <ubizjak@gmail.com> + + PR target/32433 + * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE. + (ffs_cmove): New expander to expand using ctz pattern. + (*ffs_cmove): Remove pattern. + (*ffs_no_cmove): Enable only for !TARGET_CMOVE. + (ffsdi2): Expand using ctz pattern. + (*ffs_rex64): Remove pattern. + +2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR rtl-optimization/32296 + * pa.md (return): Delete pattern. + (return_internal): Remove "(const_int 1)" from pattern. + (epilogue): Use return_internal pattern for trivial returns. + * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration. + * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h". + +2007-06-30 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-pre.c (is_exception_related): New function + (can_value_number_operation): Use it. + +2007-06-30 Daniel Berlin <dberlin@dberlin.org> + + Fix PR tree-optimization/32540 + Fix PR tree-optimization/31651 + + * tree-ssa-sccvn.c: New file. + + * tree-ssa-sccvn.h: Ditto. + + * tree-vn.c: Include tree-ssa-sccvn.h + (val_expr_paid_d): Removed. + (value_table): Ditto. + (vn_compute): Ditto. + (val_expr_pair_hash): Ditto. + (val_expr_pair_expr_eq): Ditto. + (copy_vuses_from_stmt): Ditto. + (vn_delete): Ditto. + (vn_init): Ditto. + (shared_vuses_from_stmt): Ditto. + (print_creation_to_file): Moved up. + (sort_vuses): Ditto. + (sort_vuses_heap): Ditto. + (set_value_handle): Make non-static. + (make_value_handle): Ditto. + (vn_add): Rewritten to use sccvn lookups. + (vn_add_with_vuses): Ditto. + (vn_lookup): Ditto (and second argument removed). + (vn_lookup_with_vuses): Ditto. + (vn_lookup_or_add): Ditto (and second argument removed); + (vn_lookup_or_add_with_vuses): Ditto. + (vn_lookup_with_stmt): New. + (vn_lookup_or_add_with_stmt): Ditto. + (create_value_handle_for_expr): Ditto. + + * tree-ssa-pre.c: Include tree-ssa-sccvn.h. + (seen_during_translate): New function. + (phi_trans_lookup): Use iterative_hash_expr, not vn_compute. + (phi_trans_add): Ditto. + (constant_expr_p): FIELD_DECL is always constant. + (phi_translate_1): Renamed from phi_translate, add seen bitmap. + Use constant_expr_p. + Avoid infinite recursion on mutually valued expressions. + Change callers of vn_lookup_or_add. + (phi_translate): New function. + (compute_antic_safe): Allow phi nodes. + (create_component_ref_by_pieces): Update for FIELD_DECL change. + (find_or_generate_expression): Rewrite slightly. + (create_expression_by_pieces): Updated for vn_lookup_or_add + change. + Update VN_INFO for new names. + (insert_into_preds_of_block): Update for new names. + (add_to_exp_gen): New function. + (add_to_sets): Use vn_lookup_or_add_with_stmt. + (find_existing_value_expr): Rewrite to changed vn_lookup. + (create_value_expr_from): Ditto, and use add_to_exp_gen. + (try_look_through_load): Removed. + (try_combine_conversion): Ditto. + (get_sccvn_value): New function. + (make_values_for_phi): Ditto. + (make_values_for_stmt): Ditto. + (compute_avail): Rewritten for vn_lookup_or_add changes and to use + SCCVN. + (init_pre): Update for SCCVN changes. + (fini_pre): Ditto. + (execute_pre): Ditto. + + * tree-flow.h (make_value_handle): Declare. + (set_value_handle): Ditto. + (sort_vuses_heap): Ditto. + (vn_lookup_or_add_with_stmt): Ditto. + (vn_lookup_with_stmt): Ditto. + (vn_compute): Remove. + (vn_init): Ditto. + (vn_delete): Ditto. + (vn_lookup): Update arguments. + + * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h + (tree-vn.o): Ditto. + (tree-ssa-sccvn.o): New. + (OBJS-common): Add tree-ssa-sccvn.o + +2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c/4076 + * c-typeck.c (build_external_ref): Don't mark as used if called + from itself. + * calls.c (rtx_for_function_call): Likewise. + +2007-06-30 Richard Sandiford <richard@codesourcery.com> + + Revert: + + 2007-06-27 Richard Sandiford <richard@codesourcery.com> + + * dce.c (deletable_insn_p_1): New function, split out from... + (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs + specially, not those inside PARALLELs. Remove BODY argument + and adjust recursive call accordingly. + (prescan_insns_for_dce): Update call to delete_insn_p. + +2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * combine.c (combine_validate_cost): New parameter NEWOTHERPAT. + (try_combine): Move potential calls to undo_all() so they happen + before we commit to using the combined insns. + +2007-06-30 Jan Hubicka <jh@suse.cz> + + * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit + code. + +2007-06-30 Thomas Neumann <tneumann@users.sourceforge.net> + + * ipa.c (cgraph_postorder): Cast according to the coding conventions. + (cgraph_remove_unreachable_nodes): Likewise. + * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0. + * ipa-inline.c (update_caller_keys): Cast according to the coding + conventions. + (cgraph_decide_recursive_inlining): Likewise. + (cgraph_decide_inlining_of_small_function): Likewise. + (try_inline): Likewise. + (cgraph_decide_inlining_incrementally): Likewise. + * ipa-pure-const.c (get_function_state): Likewise. + (scan_function): Likewise. + (analyze_function): Likewise. + (static_execute): Likewise. + * ipa-reference.c (scan_for_static_refs): Likewise. + (merge_callee_local_info): Likewise. + (analyze_function): Use type safe memory macros. + (static_execute): Likewise. Cast according to the coding conventions. + * ipa-type-escape.c (scan_for_regs): Cast according to the coding + conventions. + * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable + names. + (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros. + * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as + variable names. + +2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/30024 + * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0] + for complex modes (both int and real). + +2007-06-29 Jan Hubicka <jh@suse.cz> + + * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change. + +2007-06-29 Jan Hubicka <jh@suse.cz> + + PR middle-end/32372 + * cse.c (cse_insn): Avoid invalid sharing in between register note and + the insn pattern. + +2007-06-29 Anatoly Sokolov <aesok@post.ru> + + PR target/32335 + * config/avr/avr.c: Include dataflow header file. + (expand_prologue): Adjust for prologue insn change. + * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once + inside a insn. + +2007-06-29 Richard Guenther <rguenther@suse.de> + + PR middle-end/32493 + * gimplify.c (gimplify_call_expr): Ignore variable argument parts + during type verification. + +2007-06-29 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_change_rtx_1): Unshare TO argument. + +2007-06-29 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/24659 + * tree-vect-transform.c (vectorizable_call): Handle + (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases. + + * config/i386/sse.md (vec_pack_sfix_v2df): New expander. + * config/i386/i386.c (enum ix86_builtins) + [IX86_BUILTIN_VEC_PACK_SFIX]: New constant. + (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin + description. + (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as + const using def_builtin_const. + (ix86_expand_binop_builtin): Remove bogus assert() that insn wants + input operands in the same modes as the result. + (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT. + +2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk> + + * df-problems.c (df_set_unused_notes_for_mw): Fix formatting. + (df_set_dead_notes_for_mw): Likewise. + +2007-06-29 Eric Botcazou <ebotcazou@adacore.com> + + * c-common.c (pointer_int_sum): Do the negation in sizetype. + +2007-06-28 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon. + +2007-06-28 Geoffrey Keating <geoffk@apple.com> + + * doc/invoke.texi (C++ Dialect Options): Document + fvisibility-ms-compat. + * c.opt (fvisibility-ms-compat): New. + +2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR tree-opt/32417 + * tree-affine.c (aff_combination_add_elt): Handle + pointer addition specially. + +2007-06-28 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure + decl is non-external for AIX ABI. + +2007-06-28 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/predicates.md (current_file_function_operand): + Ensure the symbol is non-external for AIX ABI. + +2007-06-28 Nick Clifton <nickc@redhat.com> + + * common.opt (fipa-matrix-reorg): Add Optimization attribute. + (fdce, fdse, fpredictive-commoning): Likewise. + +2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR other/31400 + * gcc.c (process_command): Recognize the new -static-libgfortran + option. + +2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/32418 + * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix: + Use a call clobbered hard reg instead of a pseudo reg. + +2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.md (load_gbr): Use correct operand constraint. + +2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/32479 + * config/sh/sh.md (udivsi3): Don't wrap the sequence with + REG_LIBCALL and REG_RETVAL notes. + (divsi3, mulsi3): Likewise. + (mulhisi3): Likewise. Use emit_libcall_block. + (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise. + +2007-06-27 Seongbae Park <seongbae.park@gmail.com> + + PR rtl-optimization/32481 + * combine.c (adjust_for_new_dest): Rescan the changed insn. + +2007-06-27 Richard Sandiford <richard@codesourcery.com> + + * dce.c (deletable_insn_p_1): New function, split out from... + (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs + specially, not those inside PARALLELs. Remove BODY argument + and adjust recursive call accordingly. + (prescan_insns_for_dce): Update call to delete_insn_p. + +2007-06-27 Richard Guenther <rguenther@suse.de> + + PR middle-end/32492 + * tree.h (fold_convertible_p): Declare. + * fold-const.c (fold_convertible_p): New function. + * gimplify.c (gimplify_call_expr): Use fold_convertible_p + instead of lang_hooks.types_compatible_p. + +2007-06-26 Jan Hubicka <jh@suse.cz> + + * fwprop.c (try_fwprop_subst): Use validate_unshare_change. + * postreload.c (reload_cse_simplify_set): Instead of copying the rtx + early use validate_unshare_change. + (reload_combine): Likewise. + * recog.c (change_t): New field unshare. + (validate_change_1): Rename from validate_change; add argument unshare. + (validate_change): Turn into wrapper of validate_change_1; update + prototype for bools. + (validate_unshare_change): New. + (confirm_change_group): Unshare changes if asked for; avoid unnecesary + calls of df_insn_rescan. + * recog.h (validate_change): Replace ints by bools. + (validate_unshare_change): Declare. + +2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com> + + * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name. + +2007-06-26 Steve Ellcey <sje@cup.hp.com> + + * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode. + +2007-06-25 Jan Hubicka <jh@suse.cz> + + * ipa-inline.c (cgraph_mark_inline): Assert that we never inline + uninlinable call. + (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining, + cgraph_decide_inlining_incrementally): Move uninlinability checks to + places other call site specific checks are performed. + +2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR tree-opt/32421 + * tree-vect-transform.c (vectorizable_operation): Convert + POINTER_PLUS_EXPR over to PLUS_EXPR. + +2007-06-25 Chao-ying Fu <fu@mips.com> + + * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ, + UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes. + Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM. + Document GET_MODE_IBIT, and GET_MODE_FBIT. + + * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT, + MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. + (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P, + SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P, + SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P, + ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P, + ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P, + SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P, + ALL_FIXED_POINT_MODE_P): New define. + (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM, + MODE_UACCUM. + (GET_MODE_IBIT, GET_MODE_FBIT): New define. + + * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM, + MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, + MODE_VECTOR_UACCUM): New mode classes. + + * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE, + UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT. + Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, + USA, UDA, and UTA. + + * genmodes.c (struct mode_data): Add ibit and fbit fields. + (blank_mode): Initialize ibit and fbit. + (adj_ibit, adj_fbit): New to adjust ibit and fbit. + (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, + MODE_UACCUM. + (new_adjust): Change required_class to required_class_from and + required_class_to for testing within a range. + (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, + MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, + MODE_VECTOR_UACCUM. + (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define. + (make_fixed_point_mode): New. + (_ADD_ADJUST): Change C to C1 and C2. + (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to + use a range for machine classes. + (ADJUST_IBIT, ADJUST_FBIT): New. + (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and + CONST_MODE_FBIT. + (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, + MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. + Emit adjustment for ibit and fbit. + (emit_mode_ibit, emit_mode_fbit): New. + (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit. + +2007-06-25 Nathan Froyd <froydnj@codesourcery.com> + + * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand + as the source of the set. + +2007-06-25 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P, + FP_REGNO_P): Use IN_RANGE. + (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove. + (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New. + (DATA_REG_P): Use DATA_REGNO_P. + (FP_REG_P): Use FP_REGNO_P. + (ADDRESS_REG_P): Use ADDRESS_REGNO_P. + * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use + REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P. + +2007-06-24 Jan Hubicka <jh@suse.cz> + + PR middle-end/30563 + * cgraphunit.c (cgraph_analyze_function): Fix ordering problem. + +2007-06-24 Sebastian Pop <sebpop@gmail.com> + + PR middle-end/32461 + * fold-const.c (fold_binary): Strip nops of operand 0 + of BIT_NOT_EXPR before calling operand_equal_p. + * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New. + * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New. + +2007-06-23 Mark Mitchell <mark@codesourcery.com> + + * doc/extend.texi: Document that dllimport and dllexport imply + default visibility. + * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the + imported or exported declaration, including type declarations. + * c-common.c (handle_visibility_attribute): Check for conflicts + with dllimport/dllexport. + (c_determine_visibility): Handle dllimport/dllexport as an + explicit visibility atttribute. + +2007-06-23 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/16876 + PR middle-end/29478 + * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag + for CALL_EXPRs. + * tree-inline.c (initialize_inlined_parameters): Do not call + lang_hooks.tree_inlining.convert_parm_for_inlining. + * cgraphbuild.c (initialize_inline_failed): Set inline failed + reason for mismatched types. + * gimplify.c (gimplify_call_expr): Verify the call expression + arguments match the called function type signature. Otherwise + mark the call expression to be not considered for inlining + using CALL_CANNOT_INLINE_P flag. + * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the + edges call expression. + (cgraph_decide_inlining_of_small_function): Likewise. + (cgraph_decide_inlining): Likewise. + * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): + Remove define. + * c-tree.h (c_convert_parm_for_inlining): Remove declaration. + * c-typeck.c (c_convert_parm_for_inlining): Remove. + * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining): + Remove declaration. + (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define. + * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): + Remove. + * langhooks.h (struct lang_hooks_for_tree_inlining): Remove + convert_parm_for_inlining member. + +2007-06-23 Richard Earnshaw <rearnsha@arm.com> + + PR target/31152 + * arm.md (negscc): Match the correct operand for optimized LT0 test. + Remove optimization for GT. + +2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/32437 + * dce.c (deletable_insn_p): Add extra parameter and recurse if insn + is a PARALLEL. + (prescan_insns_for_dce): Add extra parameter. + +2007-06-23 Jan Hubicka <jh@suse.cz> + + PR middle-end/31541 + * gimplify.c (mark_addressable): New function. + (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it. + +2007-06-22 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/32374 + * expr.c (store_constructor): Do not clobber non-zeroed memory. + +2007-06-22 Uros Bizjak <ubizjak@gmail.com> + + PR target/32413 + * config/i386/i386.c (ix86_register_move_cost): Rise the cost of + moves between MMX/SSE registers to at least 8 units to prevent + ICE caused by non-tieable SI/HI/QImodes in SSE registers. + +2007-06-22 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (override_options): Correct x86_sahf + setting condition. + +2007-06-21 David Daney <ddaney@avtrex.com> + + PR target/32406 + * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER + to UNSPEC_NONLOCAL_GOTO_RECEIVER globally. + (exception_receiver): Renamed to ... + (nonlocal_goto_receiver): ... this. + +2007-06-22 Roman Zippel <zippel@linux-m68k.org> + + * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE. + (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for + partial register accesses. + +2007-06-21 Adam Nemet <anemet@caviumnetworks.com> + + * fold-const.c (debug_fold_checksum): Move it under + ENABLE_FOLD_CHECKING. + +2007-06-21 Sebastian Pop <sebpop@gmail.com> + + PR middle-end/20623 + * tree.h (debug_fold_checksum): Declared. + * fold-const.c (build_fold_addr_expr_with_type_1): New. + (build_fold_addr_expr_with_type, build_fold_addr_expr): Use + build_fold_addr_expr_with_type_1. + (fold_addr_expr, debug_fold_checksum): New. + (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME. + (fold_unary, fold_comparison, split_address_to_core_and_offset): + Use fold_addr_expr. + +2007-06-21 Sebastian Pop <sebpop@gmail.com> + + PR tree-optimization/19590 + * tree-vrp.c (adjust_range_with_scev): Set the range when the result + of scev is a constant. + +2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com> + + * df-problems.c (df_note_bb_compute): Made computation of live + info consistent with df_lr. + +2007-06-21 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/32453 + * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR + for pointer anti-range. + +2007-06-21 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (processor_target_table): Increase maximum + skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and + default 64bit. + + * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8 + byte alignment if > 8 byte alignment is preferred. + * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. + +2007-06-21 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/31866 + * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing + if ASM_EXPR's input is not a SSA_NAME. + + PR middle-end/32362 + * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL, + but decl is a global var, instead return decl. + * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses + even for is_global_var decls, if they are private in some outer + context. + +2007-06-21 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/32451 + * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags. + +2007-06-21 Christian Bruel <christian.bruel@st.com> + + * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare. + * config/sh/sh.c (sh_loads_bankedreg_p): New function. + (push_regs): Changed saving order or banked registers. + (sh_expand_epilogue): Likewise. + * config/sh/sh.h (BANKED_REGISTER_P): New macro. + (FIRST_BANKED_REG): Likewise. + (LAST_BANKED_REG): Likewise. + * config/sh/sh.md (banked) New attribute. + (in_delay_slot): Check banked attribute. + +2007-06-20 Sebastian Pop <sebpop@gmail.com> + + PR tree-optimization/32075 + * tree-data-ref.c (subscript_dependence_tester_1, + analyze_miv_subscript, analyze_overlapping_iterations, + add_distance_for_zero_overlaps, build_classic_dist_vector, + subscript_dependence_tester_1, analyze_overlapping_iterations, + subscript_dependence_tester, access_functions_are_affine_or_constant_p, + compute_affine_dependence, compute_all_dependences): Pass loop_nest + to evolution_function_is_affine_multivariate_p. + +2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr> + + * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs. + +2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/32335 + * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue + for TARGET_A16. + * config/m32c/prologue.md (epilogue_exitd_16): New. + (epilogue_reit_16): New. + (epilogue_exitd): Rename to epilogue_exitd_24. + (epilogue_reit): Rename to epilogue_reit_24. + +2007-06-20 Seongbae Park <seongbae.park@gmail.com> + Maxim Kuvyrkov <mkuvyrkov@ispras.ru> + + * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg): + New counters. + * haifa-sched.c (queue_to_ready): Don't requeue next insn + if dbg_cnt (sched_insn) reaches the limit. + (choose_ready): New parameter INSN_PTR and new return value. + (schedule_block): Handle dbg_cnt (sched_insn). Handle + the new return value from choose_ready. + * global.c (global_aloc): New dbgcnt global_alloc_at_reg. + (rest_of_handle_global_alloc): New global_alloc_at_func. + +2007-06-20 Adam Nemet <anemet@caviumnetworks.com> + + PR tree-optimization/25737 + * tree.h (struct tree_struct_field_tag): Add new field alias_set. + (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros. + * tree-flow.h (struct fieldoff): Add new field alias_set. + * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new + argument addressable_type. Set alias_set of fieldoff. + * tree-ssa-alias.c (create_sft): Add new argument alias_set. + (create_overlap_variables_for): Pass alias_set from fieldoff to + create_sft. + * alias.c (get_alias_set): Use alias_set from SFT if set. + +2007-06-20 Hui-May Chang <hm.chang@apple.com> + + * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size + of a variable as an unsigned HOST_WIDE_INT integer. + +2007-06-20 Zdenek Dvorak <dvorakz@suse.cz> + + PR rtl-optimization/32405 + * loop-iv.c (iv_get_reaching_def): Fail for partial defs. + +2007-06-20 Jakub Jelinek <jakub@redhat.com> + + * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H). + + PR middle-end/31959 + * builtins.c: Include diagnostic.h. + (expand_builtin_expect): Make gcc_assert more permissive. + * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H). + + PR inline-asm/32109 + * gimplify.c (gimplify_asm_expr): Issue error if type is addressable + and !allows_mem. + + PR middle-end/32285 + * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments + if ACCUMULATE_OUTGOING_ARGS. + +2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk> + + * config/m68hc11/m68hc11.c: Include dataflow header file. + (m68hc11_reorg): Port to dataflow. + +2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com> + + * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed. + (struct df_problem.free_blocks_on_set_blocks): New field. + (struct dataflow.optional_p): New field. + (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed. + (df_live_set_all_dirty): New function. + * df-scan.c (df_scan_alloc): Initialize optional_p. + (problem_SCAN): Initialize free_blocks_on_set_blocks. + * df-core.c (df_set_blocks): Removed use of + DF_FIRST_OPTIONAL_PROBLEM. Now uses + df_problem.free_blocks_on_set_blocks to determine which blocks are + recycled. + (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM. + (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now + uses dataflow.optional_p to determine if problem should be + deleted. + (rest_of_handle_df_initialize): Only start live problem if + -02 or above. + (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed. + * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc, + df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p. + (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN, + problem_NOTE): Initialize free_blocks_on_set_blocks. + (df_lr_bb_local_compute): Recompute luids if df_live problem is + not active. + (df_live_set_all_dirty, df_note_alloc): New function. + * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to + df_get_live_*. + * sched_ebb.c (compute_jump_reg_dependencies): Ditto. + * postreload.c (reload_combine): Ditto. + * cse.c (cse_extended_basic_block): Ditto. + * regmove.c (mark_flags_life_zones): Ditto. + * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq, + erase_matching_seqs): Ditto. + * bt-load.c (compute_defs_uses_and_gen): Ditto. + * integrate (allocate_initial_values): Ditto. + * combine.c (reg_dead_at_p): Ditto. + * resource.c (mark_target_live_regs): Ditto. + * sched-rgn.c (check_live_1, update_live_1): Ditto. + * config/sh/sh.c (find_r0_life_regions): Ditto. + * global.c (rest_of_handle_global_alloc): Only add back df_live + for -O > 1. + * local-alloc.c (rest_of_handle_local_alloc): Only remove + df_live for -O > 1. + * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to + df_get_live_*. + (if_convert): Make sure df_live is there at -O == 1. + (pass_if_after_combine): Cleanup flags. + * init-regs.c (initialize_uninitialized_regs): Make sure df_live + is there at -O == 1. + +2007-06-19 Seongbae Park <seongbae.park@gmail.com> + + * config/arm/arm.c (arm_get_frame_offsets): Set + offsets->locals_base to avoid negative stack size. + (thumb1_expand_prologue): Assert on negative stack size. + +2007-06-19 Sebastian Pop <sebpop@gmail.com> + + PR tree-optimization/32367 + * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side + of the chrec has no evolution in that loop. + * testsuite/gcc.dg/tree-ssa/pr32367.c: New. + +2007-06-19 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c: Include "df.h". + (xtensa_builtin_saveregs): Use adjust_address instead of + change_address. + (xtensa_va_start): Invoke make_tree with sizetype for + expand_builtin_saveregs and then convert the result to a pointer. + Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst. + (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst. + Subtract argument size from index value as integers and then use + POINTER_PLUS_EXPR to add the result to the array address. + +2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/32335 + * config/m32c/m32c.c: Include dataflow header file. + (m32c_emit_prologue): Adjust for prologue insn change. + * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO + once inside a PARALLEL. Assume frame size passed in operand 0 + includes space to save the fb register. + (prologue_enter_24): Likewise. + (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL. + +2007-06-19 David Daney <ddaney@avtrex.com + + PR target/32313 + * config/mips/mips.md (cprestore): Mark $gp as used. + +2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/32369 + * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix. + (frv_ifcvt_modify_insn): Likewise. + +2007-06-19 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (handle_ptr_arith): Make sure to + only handle positive offsets that fit in a HOST_WIDE_INT. + +2007-06-19 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity + result of rsqrt insn for zero input argument to avoid NaN. + +2007-06-19 Richard Guenther <rguenther@suse.de> + + PR middle-end/31950 + * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs. + +2007-06-19 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/32353 + * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL. + +2007-06-19 Nick Clifton <nickc@redhat.com> + + * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread. + +2007-06-18 Uros Bizjak <ubizjak@gmail.com> + + PR target/32389 + * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL. + * config/i386/i386.c (assign_386_stack_local): Assert that + SLOT_VIRTUAL is valid only before virtual regs are instantiated. + (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]: + Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP. + * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto. + +2007-06-18 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New. + +2007-06-18 Seongbae Park <seongbae.park@gmail.com> + + PR rtl-optimization/32321 + * gcse.c (replace_store_insn): Update the note before + calling emit_insn_after. + +2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/32355 + * gcse (rest_of_handle_gcse): Add call to df_finish_pass after + cse_main. + * df-problems.c (df_note_bb_compute): Fix dumping info. + +2007-06-18 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return + insn with emit_jump_insn. + +2007-06-18 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/32383 + * targhooks.c (default_builtin_reciprocal): Add new bool argument. + * targhooks.h (default_builtin_reciprocal): Update prototype. + * target.h (struct gcc_target): Update builtin_reciprocal. + * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description. + * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements + where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal + when fndecl is in BUILT_IN_MD class. + (execute_convert_to_rsqrt): Ditto. + + * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool + argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true. + Convert BUILT_IN_SQRTF code only when md_fn is false. + +2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org> + + * bt-load.c (move_btr_def): Fix the order of arguments + to validate_replace_rtx. + +2007-06-18 Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/m68k-devices.def: Add 54450..54455. + +2007-06-17 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/32366 + * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE, + FLOAT_EXTEND]: Prevent non-scalar modes from entering + significand_size. + +2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/32349 + * modulo-sched (generate_reg_moves): Added rescan parameter and if + this is true, rescan insn being modified. + (sms_schedule): Added rescan parameter. + (rest_of_handle_sms): Moved freeing of dominance info to before + getting out of cfg_layout. + +2007-06-17 Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New. + * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as + appropriate. + + * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and + FL_CF_EMAC from the entry for isac. + + * config/m68k/predicates.md (const_call_operand): Adjust comment. + (const_sibcall_operand): New. + (sibcall_operand): Use it. + * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible. + (m68k_isas): ISAC does not imply FPU or EMAC. + (override_options): Add ISA_C logic for symbolic jump & call. + +2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr> + + * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the + return mode from the builtin itself. + (sparc_fold_builtin): Fix cast of zero constant. + +2007-06-16 Uros Bizjak <ubizjak@gmail.com> + + * targhooks.c (default_builtin_reciprocal): New default target hook. + * targhooks.h (default_builtin_reciprocal): Add prototype. + * hooks.c (hook_tree_tree_bool_null): Remove hook. + * hooks.h (hook_tree_tree_bool_null): Remove prototype. + * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as + default_builtin_reciprocal. + +2007-06-16 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/31723 + * hooks.c (hook_tree_tree_bool_null): New hook. + * hooks.h (hook_tree_tree_bool_null): Add prototype. + * tree-pass.h (pass_convert_to_rsqrt): Declare. + * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt. + * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b) + and convert it to reciprocal a*rfunc(b). + (execute_convert_to_rsqrt): New function. + (gate_convert_to_rsqrt): New function. + (pass_convert_to_rsqrt): New pass definition. + * target.h (struct gcc_target): Add builtin_reciprocal. + * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define. + (TARGET_INITIALIZER): Initialize builtin_reciprocal with + TARGET_BUILTIN_RECIPROCAL. + * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document. + + * config/i386/i386.h (TARGET_RECIP): New define. + * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf + for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and + flag_unsafe_math_optimizations are set, flag_trapping_math is unset + and not optimizing for size. + (*rcpsf2_sse): New insn pattern. + (*rsqrtsf2_sse): Ditto. + (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf + for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and + flag_unsafe_math_optimizations are set, flag_trapping_math is unset + and not optimizing for size. + (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf + for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and + flag_unsafe_math_optimizations are set, flag_trapping_math is unset + and not optimizing for size. + * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf + for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and + flag_unsafe_math_optimizations are set, flag_trapping_math is unset + and not optimizing for size. + (*sse_rsqrtv4sf2): Do not export. + (sqrtv4sf2): Ditto. + (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf + for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and + flag_unsafe_math_optimizations are set, flag_trapping_math is unset + and not optimizing for size. + (sqrtv4sf2): Ditto. + * config/i386/i386.opt (mrecip): New option. + * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare. + (ix86_emit_swsqrtsf): Ditto. + * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant. + (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New + builtin definition. + (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using + ix86_expand_unop1_builtin. + (ix86_emit_swdivsf): New function. + (ix86_emit_swsqrtsf): Ditto. + (ix86_builtin_reciprocal): New function. + (TARGET_BUILTIN_RECIPROCAL): Use it. + (ix86_vectorize_builtin_conversion): Rename from + ix86_builtin_conversion. + (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function. + * doc/invoke.texi (Machine Dependent Options): Add -mrecip to + "i386 and x86_64 Options" section. + (Intel 386 and AMD x86_64 Options): Document -mrecip. + +2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> + Zdenek Dvorak <dvorakz@suse.cz> + Richard Guenther <rguenther@suse.de> + Kaz Kojima <kkojima@gcc.gnu.org> + + * tree-vrp.c (compare_values_warnv): Convert val2 to + the type of val1. + (extract_range_from_assert): Create + POINTER_PLUS_EXPR for pointer types. + (extract_range_from_binary_expr): Handle + only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR + for pointer types. + * doc/c-tree.texi (POINTER_PLUS_EXPR): Document. + * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle + POINTER_PLUS_EXPR as PLUS_EXPR. + (number_of_iterations_lt_to_ne): + For pointer types, use sizetype when + creating MINUS_EXPR/PLUS_EXPRs. + (assert_loop_rolls_lt): For pointer types, use sizetype when + creating MINUS_EXPR/PLUS_EXPRs. + (number_of_iterations_le): Likewise. + (expand_simple_operations): POINTER_PLUS_EXPR are simple also. + (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just + like PLUS_EXPR and MINUS_EXPR. + * tree-pretty-print.c (dump_generic_node): Handle + POINTER_PLUS_EXPR. + (op_prio): Likewise. + (op_symbol_1): Likewise. + * optabs.c (optab_for_tree_code): Likewise. + * tree-ssa-loop-manip.c (create_iv): Handle pointer base + specially. + * tree-tailcall.c (process_assignment): Mention + POINTER_PLUS_EXPR in a TODO comment. + * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or + MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR + not used with a pointer and an integer type. + * tree-scalar-evolution.c (add_to_evolution_1): Convert the + increment using chrec_convert_rhs instead of chrec_convert. + (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like + PLUS_EXPR except for the right hand side's type will be + sizetype. + (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR. + (fold_used_pointer_cast): Kill. + (pointer_offset_p): Kill. + (fold_used_pointer): Kill. + (pointer_used_p): Kill. + (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't + call fold_used_pointer. + (instantiate_parameters_1): Convert the increment + using chrec_convert_rhs instead of chrec_convert. + Handle POINTER_PLUS_EXPR as PLUS_EXPR. + * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR + instead of PLUS_EXPR. + (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of + PLUS_EXPR for pointers. + (std_gimplify_va_arg_expr): Likewise. + (fold_builtin_memory_op): Likewise. + (fold_builtin_strstr): Likewise. + (fold_builtin_strchr): Likewise. + (fold_builtin_strrchr): Likewise. + (fold_builtin_strpbrk): Likewise. + (expand_builtin_memory_chk): Likewise. + (fold_builtin_memory_chk): Likewise. + (std_expand_builtin_va_start): Use + sizetype for the call to make_tree and then convert + to the pointer type. + (fold_builtin_memchr): Use POINTER_PLUS_EXPR + instead of PLUS_EXPR for adding to a pointer. + (std_gimplify_va_arg_expr): Use fold_build2 for + the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast + the operands to sizetype first and then cast the BIT_AND_EXPR + back to the pointer type. + * fold-const.c (build_range_check): Handle pointer types + specially. + (extract_array_ref): Look for POINTER_PLUS_EXPR instead + of PLUS_EXPR's. Make sure the offset is converted to + sizetype. + (try_move_mult_to_index): Strip the NOPs from the offset. + Remove code argument and replace all uses with PLUS_EXPR. + (fold_to_nonsharp_ineq_using_bound): Handle pointer types + specially. Don't use a pointer type for MINUS_EXPR. + (fold_unary): Handle for (T1)(X op Y), + only p+ as that is the only as that can be handled for + binary operators now. + (fold_binary <case POINTER_PLUS_EXPR>): Add folding of + POINTER_PLUS_EXPR. + <case PLUS_EXPR>: Add folding of PTR+INT into + PTR p+ INT. + Don't call try_move_mult_to_index. + <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B) + into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into + (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies. + Don't call try_move_mult_to_index. + (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR. + (tree_expr_nonzero_p): Likewise. + (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead + of PLUS_EXPR for the complex expression folding. + * tree-chrec.c (chrec_fold_plus_poly_poly): If the + first chrec is a pointer type, then the second should + be sizetype and not the first's type. + For POINTER_PLUS_EXPR, use a different right hand side type. + Handle POINTER_PLUS_EXPR like PLUS_EXPR. + (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a + different right hand side type. + Handle POINTER_PLUS_EXPR like PLUS_EXPR. + (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR + instead of PLUS_EXPR. + When either operand is zero, convert the other operand. + (chrec_apply): Use chrec_convert_rhs + on the argument x instead of chrec_convert. + (reset_evolution_in_loop): For pointer types, the new_evol + should be sizetype. + (convert_affine_scev): For POINTER_PLUS_EXPR, use a + different right hand side type. + Handle POINTER_PLUS_EXPR like PLUS_EXPR. + (chrec_convert_rhs): New function. + (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a + different right hand side type. + Handle POINTER_PLUS_EXPR like PLUS_EXPR. + * tree-chrec.h (chrec_convert_rhs): New prototype. + (build_polynomial_chrec): For pointer types, the right hand + * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for + POINTER_PLUS_EXPR instead of PLUS_EXPR's. + Remove subtraction case as it is always addition now. + Make sure the offset is converted to sizetype. + (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially. + Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before. + * tree-ssa-loop-ivopts.c (determine_base_object): Abort for + PLUS_EXPR in pointer type. + Handle POINTER_PLUS_EXPR. + (tree_to_aff_combination): Likewise. + (force_expr_to_var_cost): Likewise. + (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR + instead of PLUS_EXPR for pointers. + * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR + instead of PLUS_EXPR of pointer types. + * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR + as PLUS_EXPR. + (check_va_list_escapes): Likewise. + (check_all_va_list_escapes): Likewise. + * dwarf2out.c (loc_descriptor_from_tree_1): + Handle POINT_PLUS_EXPR as a PLUS_EXPR. + * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR. + (string_constant): Likewise. + * tree-ssa-address.c (tree_mem_ref_addr): When adding + the offset to the base, use POINTER_PLUS_EXPR. + (add_to_parts): Convert the index to sizetype. + (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case. + * matrix-reorg.c (collect_data_for_malloc_call): Stmt + will now only be either INDIRECT_REF and POINTER_PLUS_EXPR. + Offset only holds something for PLUS_EXPR. + (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as + a PLUS_EXPR. + (analyze_transpose): POINTER_PLUS_EXPR will only show up now + and not PLUS_EXPR. + (analyze_accesses_for_modify_stmt): Likewise. + Remove comment about the type being integral type as it is + wrong now. + (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as + PLUS_EXPR. + (transform_access_sites): POINTER_PLUS_EXPR will only show up now + and not PLUS_EXPR. + Correct the type which the artimentic is done in (is now + sizetype). + Reindent one loop. + * tree-data-ref.c (split_constant_offset): Handle + POINTER_PLUS_EXPR + * tree-affine.c (tree_to_aff_combination): Likewise. + * c-typeck.c (build_unary_op): For pointers create the increment + as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR + for pointers. + * gimplify.c (gimplify_self_mod_expr): Create a + POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. + (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR. + * tree.def (POINTER_PLUS_EXPR): New tree code. + * tree-predcom.c (ref_at_iteration): If we have a pointer + type do the multiplication in sizetype. + * tree-mudflap.c (mf_xform_derefs_1): Create a + POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. + * tree-ssa-forwprop.c + (forward_propagate_addr_into_variable_array_index): + Don't expect there to be a cast for the index as that + does not exist anymore. + (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR + instead of PLUS_EXPR. + Don't check for the first operand of the POINTER_PLUS_EXPR + was the index as it cannot be. + Call forward_propagate_addr_into_variable_array_index with + the SSA_NAME instead of the statement. + * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR. + (compare_constant): Likewise. + (copy_constant): Likewise. + (compute_reloc_for_constant): Likewise. + (output_addressed_constants): Likewise. + (initializer_constant_valid_p): Likewise. + * tree-ssa.c (tree_ssa_useless_type_conversion_1): + Convert the MIN/MAX of the inner type to the outer + type before comparing them. + * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle + POINTER_PLUS_EXPR instead of PLUS_EXPR. + (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead + of PLUS_EXPR for pointers. + * tree-inline.c (estimate_num_insns_1): Handle + POINTER_PLUS_EXPR. + * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): + Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. + (bump_vector_ptr): Create a POINTER_PLUS_EXPR + instead of PLUS_EXPR for the pointer increment statement. + (vect_update_ivs_after_vectorizer): For pointer types, create + POINTER_PLUS_EXPR instead of PLUS_EXPR and also create + MULT_EXPR in sizetype. + (vect_gen_niters_for_prolog_loop): Add a cast when creating + byte_misalign. + * tree-object-size.c (plus_expr_object_size): Handle + POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra + code which is trying to figure out which side is a pointer and + is the index. + (check_for_plus_in_loops_1): Likewise. + (check_for_plus_in_loops): Likewise. + * c-common.c (pointer_int_sum): Create a + POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. + * tree-ssa-structalias.c (handle_ptr_arith): Handle + only POINTER_PLUS_EXPR. Removing all the extra + code which is trying to figure out which side is a pointer and + is the index. + * tree-cfg.c (verify_expr): Add extra checking for pointers and + PLUS_EXPR and MINUS_EXPR. + Also add checking to make sure the operands of POINTER_PLUS_EXPR + are correct. + * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype + with make_tree, instead of a pointer type. + * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR + for pointers instead of PLUS_EXPR. + (s390_gimplify_va_arg): Likewise. + * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR + instead of PLUS_EXPR when doing addition on pointer + types. Use sizetype for the second operand. + (spu_gimplify_va_arg_expr): Likewise. + * config/sparc/sparc.c (sparc_gimplify_va_arg): Use + POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was + a pointer. Don't create a BIT_AND_EXPR for pointer types. + * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR + for the pointer addition and also use size_int/sizetype + for the offset. + (ix86_gimplify_va_arg): Likewise. + Perform BIT_AND_EXPR on sizetype arguments. + * config/sh/sh.c (sh_va_start): Call make_tree with sizetype + and convert its result to a pointer type. Use POINTER_PLUS_EXPR + for the pointer additions and also use size_int for the offsets. + (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer + additions and also use size_int for the offsets. Perform + BIT_AND_EXPR on sizetype arguments. + * config/ia64/ia64.c (ia64_gimplify_va_arg): Use + POINTER_PLUS_EXPR for pointers and create the + BIT_AND_EXPR in sizetype. + * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR + instead of PLUS_EXPR for pointer addition. + (rs6000_va_start): Likewise. + Also use sizetype for the offset. + * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR + as PLUS_EXPR/MINUS_EXPR. + (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or + PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR. + Don't use BIT_AND_EXPR on a pointer type, convert the + expression to sizetype first. + * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR + for pointers. + (mips_gimplify_va_arg_expr): Likewise. + Don't create BIT_AND_EXPR in a pointer type. + +2007-06-15 Eric Christopher <echristo@apple.com> + + * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc. + (x86_64-*-darwin*): Ditto. + * config/i386/darwin.h (CRTEND_SPEC): New. Add support + for above. + +2007-06-15 Matthew Wilcox <matthew@wil.cx> + + * doc/extend.texi: Document behavior of __attribute__((aligned)) + on typedefs. + +2007-06-15 Mark Mitchell <mark@codesourcery.com> + + * rtlanal.c (note_stores): Improve documentation. + +2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL, + LOCAL_LABEL_PREFIX): Delete. + * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete. + (bfin_internal_label): Delete. + +2007-06-15 Uros Bizjak <ubizjak@gmail.com> + + * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3, + define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128, + otherwise define to LIBGCC2_TF_CEXT. + * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define. + (LIBGCC_TF_CEXT): Ditto. + (TF_SIZE): Ditto. + +2007-06-14 Seongbae Park <seongbae.park@gmail.com> + + PR rtl-optimization/32339 + * df-scan.c (df_uses_record): Don't modify flags but just add to + it for df_ref_record. + +2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * tree-mudflap.c: Fix whitespace issues. + +2007-06-15 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove. + +2007-06-14 Eric Christopher <echristo@apple.com> + + * config/i386/sse.md (movdi_to_sse): Rewrite body. + (movv4sf): Use gcc_unreachable instead of abort. + +2007-06-14 Uros Bizjak <ubizjak@gmail.com> + + PR target/32268 + * config/i386/sfp-machine.h (CMPtype): New define. + (mach stubs): Use CMPtype instead of int as a return type. + +2007-06-14 Uros Bizjak <ubizjak@gmail.com> + + * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c, + config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c, + config/soft-fp/gesf2.c, config/soft-fp/getf2.c, + config/soft-fp/ledf2.c, config/soft-fp/lesf2.c, + config/soft-fp/letf2.c, config/soft-fp/unorddf2.c, + config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c, + config/soft-fp/soft-fp.h: Update from glibc CVS. + +2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/uclinux.h (MFWRAP_SPEC): New. + +2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk> + + PR target/32341 + * config/v850/v850.c: Include dataflow header file. + (substitute_ep_register): Fix typo. + +2007-06-14 Paolo Bonzini <bonzini@gnu.org> + + * configure.ac: Fix earlier checkin. + * configure: Regenerated. + +2007-06-14 Paolo Bonzini <bonzini@gnu.org> + + * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove. + * aclocal.m4: Regenerate. + * configure.ac: Use ACX_PROG_CC_WARNING_OPTS, + ACX_PROG_CC_WARNINGS_ARE_ERRORS, + ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER. + * configure: Regenerate. + * Makefile.in (LOOSE_WARN): Subst loose_warn. + + * Makefile.in (quickstrap): Build libgcc too. + +2007-06-14 Paolo Bonzini <bonzini@gnu.org> + + * configure.ac: Add --enable-checking=df. Explicitly mention that + the variables are initialized as for "release". + * df-core.c: Use it. + * configure: Regenerate. + * config.in: Regenerate. + +2007-06-14 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use + validate_replace_rtx instead of replace_rtx. + (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx. + +2007-06-14 Danny Smith <dannysmith@users.sourceforge.net> + + * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define. + (DWARF2_UNWIND_INFO): Override default if configured with + SJLJ EH disabled. + * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o. + (ENDFILE_SPEC): Add crtend.o. + * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o. + (ENDFILE_SPEC): Add crtend.o. + (TARGET_USE_JCR_SECTION): Define. + (MD_UNWIND_SUPPORT): Define for 32-bit target. + + * config/i386/cygming-crtbegin.c: New file. + * config/i386/cygming-crtend.c: New file. + +2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com> + + * config/i386/w32-unwind.h: New file. + +2007-06-13 Eric Christopher <echristo@apple.com> + + * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let + the user set a value below STACK_BOUNDARY. + +2007-06-13 Thiemo Seufer <ths@networkno.de> + + * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always + imply -lpthread for -pthread. + +2007-06-13 Kazu Hirata <kazu@codesourcery.com> + + * basic-block.h: Remove the prototype for + free_basic_block_vars. + * cfglayout.h: Remove the prototype for + insn_locators_initialize. + * tree.h: Remove the prototype for emit_line_note. + + * tree-ssa-pre.c (mergephitemp): Remove. + (init_pre): Don't use mergephitemp. + +2007-06-13 Eric Christopher <echristo@apple.com> + + * config/i386/i386.c (override_options): If we've specified + an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs. + +2007-06-13 Bob Wilson <bob.wilson@acm.org> + + * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM + is defined. + +2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem. + * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant. + (eh_store_handler): New pattern. + (eh_return): Emit it instead of a plain move. + +2007-06-13 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_init_mmx_sse_builtins) + [__builtin_infq, __builtin_fabsq]: Define usign def_builtin. + [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using + def_builtin_const. + +2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables. + (find_next_insn_start, find_load): New functions. + (bfin_reorg): Use them to deal with the fact that parallel insns are + no longer represented as a SEQUENCE. + +2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr> + + * config/sparc/sparc.c (sparc_override_options): Initialize + fpu mask correctly. + +2007-06-13 Dave Korn <dave.korn@artimi.com> + + * config/i386/i386.c (ix86_eax_live_at_start_p): Use df_get_live_out. + +2007-06-13 Kazu Hirata <kazu@codesourcery.com> + + * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S, + config/sh/divcost-analysis, dbgcnt.def, df-core.c, + df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c, + tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c, + tree-vect-transform.c: Fix comment typos. Follow spelling + conventions. + +2007-06-12 Seongbae Park <seongbae.park@gmail.com> + + * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer + to the exit block use set. + (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring". + * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode. + * config/sparc/sparc.c (sparc_check_64): Check df != NULL. + +2007-06-12 Seongbae Park <seongbae.park@gmail.com> + + * opts.c (common_handle_option): Handle new option -fdbg-cnt-list. + * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value + to indicate an error. + (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters): + New functions. + (dbg_cnt_process_opt): Print an error on a bad argument. + * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration. + * common.opt (-fdbg-cnt-list): New. + * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New. + +2007-06-12 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything + flag on ref-all pointers. + +2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/31579 + * expr.c (expand_expr_addr_expr_1): Call expand_expr + for the offset with the modifier as EXPAND_INITIALIZER + if the modifier is EXPAND_INITIALIZER. + (expand_expr_real_1 <case INTEGER_CST>): Don't force to + a register if we had an overflow. + +2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * real.c (real_isfinite): New. + (real_sqrt): Use it. + * real.h (real_isfinite): New. + * builtins.c: Use it. + +2007-06-12 Ian Lance Taylor <iant@google.com> + Daniel Berlin <dberlin@dberlin.org> + + PR libstdc++/29286 + * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR. + * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define. + (CHANGE_DYNAMIC_TYPE_LOCATION): Define. + (DECL_NO_TBAA_P): Define. + (struct tree_decl_common): Add no_tbaa_flag field. + * tree-ssa-structalias.c (struct variable_info): Add + no_tbaa_pruning field. + (new_var_info): Initialize no_tbaa_pruning field. + (unify_nodes): Copy no_tbaa_pruning field. + (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR. + (dump_solution_for_var): Print no_tbaa_pruning flag. + (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all + callers. + (compute_tbaa_pruning): New static function. + (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes. + Call compute_tbaa_pruning. + * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers. + * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR. + * gimple-low.c (lower_stmt): Likewise. + * tree-gimple.c (is_gimple_stmt): Likewise. + * tree-ssa-operands.c (get_expr_operands): Likewise. + * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. + * tree-inline.c (estimate_num_insns_1): Likewise. + (copy_result_decl_to_var): Likewise. + * expr.c (expand_expr_real_1): Likewise. + * tree-pretty-print.c (dump_generic_node): Likewise. + * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag. + * omp-low.c (omp_copy_decl_2): Likewise. + * print-tree.c (print_node): Print DECL_NO_TBAA_P flag. + * doc/c-tree.texi (Expression trees): Document + CHANGE_DYNAMIC_TYPE_EXPR. + +2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation + with !HONOR_NANS and !HONOR_INFINITIES. + * simplify-rtx.c (simplify_binary_operation_1): Likewise. + +2007-06-12 Tristan Gingold <gingold@adacore.com> + + * gcov.c: Comments updated. + (source_info): Add file_time field. + (source_index): New variable. + (mutiple_files): New variable. + (generate_results): New function extracted from process_file. + (process_file): Save and restore chain of functions, generate + results and free structures only if not merging results. + (release_structures): File names are now freed in create_file_names + (create_file_names): Free previous file names. + (find_source): File date is now read here and modifications in + source files is checked here. + (read_graph_file): Only reverse order of functions for the current + object file. + (make_gcov_file_name): Do not generate long names if input_name is + NULL. + (output_lines): If merging results do not display graph, data and + runs informations. + Checking source file modification is done in find_source. + + * doc/gcov.texi: Append an s to sourcefile. + +2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (UNSPEC_NOP): New constant. + (forced_nop): New pattern. + * config/bfin/bfin.c: Include "df.h". + (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live. + (bfin_discover_loop): Use df_get_live_in instead of + global_live_at_start. + (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call + df_analyze when done. + (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on + the insns. Use QImode for the final insn in a bundle. Call + df_insn_rescan on generated NOPs; use gen_forced_nop instead of + gen_nop. + (reorder_var_tracking_notes): New function. + (bfin_reorg): Pass no argument to split_all_insns. Don't call + update_life_info. Call df_analyze after scheduling and bundle + generation. Call reorder_var_tracking_notes if generating these + notes. Call df_finish_pass at the end. + +2007-06-12 Dirk Mueller <dmueller@suse.de> + + * optabs.c (debug_optab_libfuncs): fix gcc_assert to + a comparison, not an assignment. + +2007-06-12 Olivier Hainque <hainque@adacore.com> + + * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR. + Request walking the subtrees only, leaving the current is_lhs/val_only + untouched. + (convert_non_local_reference): Likewise. + +2007-06-12 Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/m68k-devices.def (52221, 52223, 5253): New. + +2007-06-12 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/15353 + PR tree-optimization/31657 + * passes.c (init_optimization_passes): Add pass_tree_ifcombine. + * timevar.def: Add TV_TREE_IFCOMBINE. + * tree-pass.h (pass_tree_ifcombine): Declare. + * tree-ssa-ifcombine.c: New file. + * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export. + * tree-flow.h (blocks_in_phiopt_order): Declare. + * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o. + (tree-ssa-ifcombine.o): New dependencies. + +2007-06-12 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/32293 + * combine.c (simplify_if_then_else): Truncate return from + nonzero_bits() to correct mode. + +2007-06-12 Uros Bizjak <ubizjak@gmail.com> + + * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c) + into a*cbrt(c/b) if flag_unsafe_math_optimizations is set. + +2007-06-11 Diego Novillo <dnovillo@google.com> + + * Makefile.in (reload1.o-warn): Remove. + +2007-06-11 Seongbae Park <seongbae.park@gmail.com> + + * combine.c (subst): Use reg_overlap_mentioned_p + instead of comparing register numbers directly. + +2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com> + + * reload1.c (mark_home_live_1): Use the mode parameter. + +2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com> + + * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all, + df_process_deferred_rescans, df_notes_rescan): Fixed spelling of + word "deferred". + * df-core.c: Ditto. + +2007-06-11 Daniel Berlin <dberlin@dberlin.org> + + * Merge dataflow-branch into mainline (see ChangeLog.dataflow) + +2007-06-11 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md ("*movtf_internal): Penalize moves to and + from integer registers. + (FP mode splitters): Handle TFmode. + +2007-06-11 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-structalias.c (find_what_p_points_to): Return false + for ref-all pointers that point-to anything. + +2007-06-11 Joseph Myers <joseph@codesourcery.com> + + * config/arm/arm.c (arm_output_dwarf_dtprel, + TARGET_ASM_OUTPUT_DWARF_DTPREL): New. + +2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn, + movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant + to memory moves. + +2007-06-11 Rafael Avila de Espindola <espindola@google.com> + + * tree.c (signed_or_unsigned_type_for): New. + (unsigned_type_for): Use signed_or_unsigned_type_for. + (signed_type_for): Use signed_or_unsigned_type_for. + * tree.h (signed_or_unsigned_type_for): New. + (get_signed_or_unsigned_type): Remove. + * fold-const.c (fold_negate_expr): Use signed_type_for instead of + lang_hooks.types.signed_type + (size_diffop): Likewise. + (all_ones_mask_p): Likewise. + (build_range_check): Likewise. + (fold_cond_expr_with_comparison): Likewise. + (fold_cond_expr_with_comparison): Likewise. + (unextend): Likewise. + (extract_muldiv_1): Likewise. + (fold_single_bit_test_into_sign_test): Likewise. + (fold_binary): Likewise. + (fold_ternary): Likewise. + (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for + instead of get_signed_or_unsigned_type. + * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove. + (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove. + * expr.c (signed_or_unsigned_type_for): Use + signed_or_unsigned_type_for instead of get_signed_or_unsigned_type. + * langhooks.c (get_signed_or_unsigned_type): Remove. + (lhd_signed_or_unsigned_type): Remove. + * langhooks.h (lang_hooks_for_types): Remove signed_type and + signed_or_unsigned_type. + (lhd_signed_or_unsigned_type): Remove. + * expmed.c (make_tree): Use signed_type_for instead of + lang_hooks.types.signed_type. + * c-common.c (same_scalar_type_ignoring_signedness): Use + c_common_signed_type instead of lang_hooks.types.signed_type. + (c_common_unsigned_type): New. + (c_common_signed_type): Just call c_common_signed_or_unsigned_type. + (shorten_compare): Use c_common_unsigned_type instead of + c_common_signed_or_unsigned_type. + (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of + unsigned_type_for. + * convert.c (convert_to_integer): Use signed_type_for instead of + lang_hooks.types.signed_type. + * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove. + (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and + LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE. + * c-format.c (check_format_types): Use c_common_unsigned_type + instead of unsigned_type_for. + * c-decl.c (groakdeclarator): Likewise. + * c-typeck.c (convert_for_assignment): Likewise. + * c-common.h (c_common_unsigned_type): New. + +2007-06-11 Uros Bizjak <ubizjak@gmail.com> + + PR target/32280 + * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ... + * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here. + +2007-06-11 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/32279 + * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c) + into a*sqrt(c/b) if flag_unsafe_math_optimizations is set. + +2007-06-10 Jan Sjodin <jan.sjodin@amd.com> + Sebastian Pop <sebpop@gmail.com> + + * lambda-code.c (remove_iv): New. + (lambda_loopnest_to_gcc_loopnest): Use remove_iv. + +2007-06-10 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL. + * tree-predcom.c (mark_virtual_ops_for_renaming): Exported. + * tree-ssa-loop-prefetch.c: Include optabs.h. + (FENCE_FOLLOWING_MOVNT): New macro. + (struct mem_ref): Add independent_p and storent_p fields. + (record_ref): Initalize the new fields. + (gather_memory_references_ref): Return true if the reference + could be analysed. + (gather_memory_references): Check whether all memory accesses + in loop were recorded. + (should_issue_prefetch_p): Return false for nontemporal stores. + (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop, + may_use_storent_in_loop_p, mark_nontemporal_stores): New functions. + (determine_loop_nest_reuse): Detect independent memory references. + (loop_prefetch_arrays): Call mark_nontemporal_stores. + * tree-flow.h (mark_virtual_ops_for_renaming): Declare. + * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency. + * config/i386/i386.h (x86_mfence): Declare. + (FENCE_FOLLOWING_MOVNT): Return x86_mfence. + * config/i386/i386.c (x86_mfence): New variable. + (ix86_init_mmx_sse_builtins): Initialize x86_mfence. + + * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores. + * optabs.c (init_optabs): Initialize storent_optab. + * optabs.h (enum optab_index): Add OTI_storent. + (storent_optab): Declare. + * genopinit.c (optabs): Add initialization for storent_optab. + * tree.h (MOVE_NONTEMPORAL): New macro. + * expr.c (expand_assignment, store_expr, store_constructor_field, + store_constructor, store_field, expand_expr_real_1): Propagate + nontemporality of the expanded store. + (emit_storent_insn): New function. + * expr.h (expand_assignment, store_expr): Declaration changed. + * function.c (assign_parm_setup_reg): Pass false as nontemporality + to expand_assignment. + * stmt.c (expand_asm_expr): Ditto. + * calls.c (initialize_argument_information): Pass false as + nontemporality to store_expr. + * config/i386/sse.md (storentv4sf, storentv2df, storentv2di, + storentsi): New. + +2007-06-09 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd + parameter, use it. + (find_what_p_points_to): Pass new parameter to set_uids_in_ptset. + +2007-06-09 Daniel Berlin <dberlin@dberlin.org> + + * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b, + and allow DECL_P here. + +2007-06-09 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-scalar-evolution.c (follow_ssa_edge_in_rhs, + follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise + track of the size of the expression. + * cfghooks.c (merge_blocks): Remove block from loops structure only + after call of the merge_blocks hook. + +2007-06-09 Tom Tromey <tromey@redhat.com> + + * c-decl.c (grokdeclarator): Added 'deprecated_state' argument. + (deprecated_state): Removed. + (start_decl): Update. + (enum deprecated_states): Moved earlier. + (groktypename): Update. + (push_parm_decl): Likewise. + (grokfield): Likewise. + (start_function): Likewise. + +2007-06-09 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/32169 + * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and + CONVERT_EXPR, check whether min and max both converted to an + overflow infinity representation. + +2007-06-08 Eric Botcazou <ebotcazou@adacore.com> + + * reload1.c (fixup_abnormal_edges): Clear bb field for insns + not inserted on the edge. + +2007-06-08 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide + instructions if they are supported. + (__divsi3, __umodsi3, __modsi3): Likewise. + (__ashldi3, __ashrdi3, __lshrdi3): New. + * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions. + +2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com> + Tony Linthicum <tony.linthicum@amd.com> + + * doc/invoke.texi: Add fvect-cost-model flag. + * common.opt (fvect-cost-model): New flag. + * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside + cost fields in stmt_vec_info struct for STMT. + * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost + fields in stmt_vec_info struct and access functions for the same. + (TARG_COND_BRANCH_COST): Define cost of conditional branch. + (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding + load, store and vector to scalar operation. + (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation. + (TARG_VEC_LOAD_COST): Define cost of aligned vector load. + (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load. + (TARG_VEC_STORE_COST): Define cost of vector store. + (vect_estimate_min_profitable_iters): Define new function. + * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time + check to evaluate if loop iterations are less than minimum profitable + iterations determined by cost model or minimum vect loop bound defined + by user, whichever is more conservative. + * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a + run-time check to evaluate if loop iterations are less than minimum + profitable iterations determined by cost model or minimum vect loop + bound defined by user, whichever is more conservative. + (vect_estimate_min_profitable_iterations): New function to estimate + mimimimum iterartions required for vector version of loop to be + profitable over scalar version. + (vect_model_reduction_cost): New function. + (vect_model_induction_cost): New function. + (vect_model_simple_cost): New function. + (vect_cost_strided_group_size): New function. + (vect_model_store_cost): New function. + (vect_model_load_cost): New function. + (vectorizable_reduction): Call vect_model_reduction_cost during + analysis phase. + (vectorizable_induction): Call vect_model_induction_cost during + analysis phase. + (vectorizable_load): Call vect_model_load_cost during analysis phase. + (vectorizable_store): Call vect_model_store_cost during analysis phase. + (vectorizable_call, vectorizable_assignment, vectorizable_operation, + vectorizable_promotion, vectorizable_demotion): Call + vect_model_simple_cost during analysis phase. + +2007-06-08 Simon Baldwin <simonb@google.com> + + * reg-stack.c (get_true_reg): Readability change. Moved default case + label into direct switch statement scope. + +2007-06-08 Simon Baldwin <simonb@google.com> + + * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment + in gcc_assert() with '==' comparison. + +2007-06-08 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and + TARGET_ABM handling of x86_popcnt variable. + +2007-06-08 Uros Bizjak <ubizjak@gmail.com> + + * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq, + __builtin_copysignq and __builtin_infq built-in functions. + +2007-06-08 Uros Bizjak <ubizjak@gmail.com> + + * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in + SSE4.2 section. Correct built-in function names in SSE4A section. + +2007-06-08 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/32243 + * tree-vect-transform.c (vectorizable_type_promotion): Move check + for ncopies after ratio check between nunits_out and nunits_in. + (vectorizable_type_demotion): Remove single-use variable "scalar_type". + +2007-06-08 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/32224 + * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail + vectorization upon a non GIMPLE_MODIFY_STMT. + +2007-06-08 Christian Bruel <christian.bruel@st.com> + + PR target/29953 + * config/sh/sh.md (doloop_end): New pattern and splitter. + * loop-iv.c (simple_rhs_p): Check for hardware registers. + +2007-06-08 Zdenek Dvorak <dvorakz@suse.cz> + + PR middle-end/32209 + * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New + functions. + (verify_dominators): Do not change dominance tree. + +2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/constraints.md: New file. + * config/sh/sh.c: Include tm-constrs.h. + (reg_class_from_letter): Remove. + (prepare_cbranch_operands): Use satisfies_constraint_* + function instead of macro. + (andcosts, broken_move, sh_secondary_reload): Likewise. + * config/sh/predicates.md (trapping_target_operand): Likewise. + (and_operand, arith_operand, arith_reg_or_0_operand, + cmp_operand, logical_operand, target_operand, + ua_address_operand, ua_offset, xor_operand): Likewise. + * config/sh/sh.md: Include constraints.md. + (*movsicc_t_false): Use satisfies_constraint_* function + instead of macro. + (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m, + lshrsi3_k, movsi_const_16bit+2, *movhi_media+1, + movdi_const_16bit+1, beq, bne, *ptb): Likewise. + * config/sh/sh.h (reg_class_from_letter): Remove prototype. + (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter. + (REG_CLASS_FROM_CONSTRAINT): Remove. + (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I, + CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K, + CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M, + CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P, + CONST_DOUBLE_OK_FOR_LETTER_P): Likewise. + (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_* + function instead of macro. + (SECONDARY_INPUT_RELOAD_CLASS): Likewise. + (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A, + EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B, + EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove. + (IS_PC_RELATIVE_LOAD_ADDR_P): New macro. + (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise. + (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise. + (IS_NON_EXPLICIT_CONSTANT_P): Likewise. + (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W, + EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C, + EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0, + EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S, + EXTRA_CONSTRAINT_STR): Likewise. + (GO_IF_LEGITIMATE_INDEX): Fix indentation. + +2007-06-07 Geoffrey Keating <geoffk@apple.com> + + * config/i386/darwin.h (STACK_BOUNDARY): Define. + +2007-06-07 Simon Martin <simartin@users.sourceforge.net> + + PR c++/30759 + * c-common.h (flag_cpp0x): Replaced by... + (cxx_dialect): ... this new variable specifying the C++ dialect that + is used. + * c-common.c (flag_cpp0x): Removed. + (cxx_dialect): Defined. + * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of + cxx_dialect. + * c-opts.c (c_common_post_options): Likewise. + (set_std_cxx98): Set cxx_dialect to cxx98. + (set_std_cxx0x): Set cxx_dialect to cxx0x. + +2007-06-07 Geoffrey Keating <geoffk@apple.com> + Hui-May Chang <hm.chang@apple.com> + + * doc/invoke.texi (Darwin Options): Update documentation for + -mmacosx-version-min. + * config.gcc (*-*-darwin*): Set extra_gcc_objs. + * config/darwin-driver.c: New file. + * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New. + * config/t-darwin (darwin-driver.o): New rule. + + * config/darwin-c.c (version_as_macro): Ignore low digit. + +2007-06-07 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (standard sse constant splitter): Handle TFmode. + (negtf2, abstf2, *absnegtf2_sse): New insn patterns. + (CSGNMODE): New mode macro. + (CSGNVMODE): New mode attribute. + (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize + expander using CSGNMODE mode macro. Handle TFmode. + (copysign<mode>3_const): Rename from copysignsf3_const and + copysigndf3_const. Macroize pattern using CSGNMODE mode macro. + Handle TFmode. + (copysign<mode>3_var): Rename from copysignsf3_var and + copysigndf3_var. Macroize pattern using CSGNMODE mode macro. + Handle TFmode. + (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE + mode macro. Handle TFmode. + * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns. + (iortf3, *iortf3): Ditto. + (xortf3, *xortf3): Ditto. + * config/i386/i386.c (ix86_build_signbit_mask): Create scalar + TFmode and TImode masks. + (ix86_expand_copysign): Expand TFmode copysign insn. + (IX86_BUILTIN_INFQ): New. + (IX86_BUILTIN_FABSQ): Ditto. + (IX86_BUILTIN_COPYSIGNQ): Ditto. + (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition. + [__builtin_fabsq]: Ditto. + [__builtin_copysignq]: Ditto. + (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin. + [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin(). + [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using + ix86_expand_binop_builtin(). + +2007-06-07 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/lib1funcs.asm: Clean up whitespace. + +2007-06-07 Steve Ellcey <sje@cup.hp.com> + + PR target/31850 + * rtl.h (push_to_sequence2): New. + * emit-rtl.c (push_to_sequence2): New. + * function.c (assign_parm_data_all): Add new fields. + (assign_parm_setup_block): Call push_to_sequence2 instead of + push_to_sequence. + (assign_parm_setup_reg): Ditto. + (assign_parm_setup_stack): Ditto. + (assign_parms_unsplit_complex): Ditto. + (assign_parms): Change field name. + +2007-06-07 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/32220 + * tree-predcom.c (eliminate_temp_copies): Handle the case that loop + phi node is reached before defining statement. + +2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR tree-opt/32231 + * tree-vect-transform.c (vectorizable_call): Call update_stmt + after changing the right hand side of the assignment. + +2007-06-06 Eric Christopher <echristo@apple.com> + + * config.gcc (i?86-*-darwin*): Remove arch parameter. + (x86_64-*-darwin*): Ditto. + * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define. + (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto. + +2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net> + + * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the + coding conventions. + (add_key): Likewise. + * tree-ssa.c (init_tree_ssa): Use type safe memory macros. + * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as + variable names. + * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory + macros. + (add_cost_one_coalesce): Likewise. + * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as + variable names. Rename orig to orig_name for consistency. + * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the + coding conventions. + (cprop_into_successor_phis): Avoid using C++ keywords as variable + names. + (record_equivalences_from_stmt): Likewise. + * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to + the coding conventions. + (memory_ssa_name_same): Likewise. + (dse_optimize_stmt): Likewise. + (dse_record_phis): Likewise. + (dse_finalize_block): Likewise. + * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++ + keywords as variable names. + (may_move_till): Cast according to the coding conventions. + (force_move_till_expr): Avoid using C++ keywords as variable names. + (force_move_till): Cast according to the coding conventions. + (memref_hash): Likewise. + (memref_eq): Likewise. + (gather_mem_refs_stmt): Likewise. + * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid + using C++ keywords as variable names. + (idx_find_step): Cast according to the coding conventions. + (idx_record_use): Likewise. + (find_depends): Likewise. + (prepare_decl_rtl): Likewise. + (mbc_entry_hash): Likewise. + (mbc_entry_eq): Likewise. + * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp. + (simplify_replace_tree): Avoid using C++ keywords as variable names. + (idx_infer_loop_bounds): Cast according to the coding conventions. + * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise. + * tree-ssa-math-opts.c (occ_new ): Likwise. + * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory + macros. + * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as + variable names. + (add_use_op): Likewise. + (add_vop): Likewise. + (add_vuse_op): Likewise. + (add_vdef_op): Likewise. + (get_expr_operands): Likewise. + (push_stmt_changes): Use type safe memory macros. + * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++ + keywords as variable names. + (conditional_replacement): Likewise. + (minmax_replacement): Likewise. + (abs_replacement): Likewise. + * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the + coding conventions. + (insert_fake_stores): Avoid using C++ keywords as variable names. + * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding + conventions. + * tree-ssa-structalias.c (heapvar_lookup): Likewise. + (heapvar_insert): Use type safe memory macros. + (new_var_info): Cast according to the coding conventions. + (new_constraint): Likewise. + (remove_preds_and_fake_succs): Use type safe memory macros. + * tree-ssa-threadupdate.c (thread_block): Cast according to the coding + conventions. + (thread_single_edge): Likewise. + (thread_through_loop_header): Likewise. + +2007-06-06 Eric Christopher <echristo@apple.com> + + * config/i386/i386.c (override_options): Move handling + of TARGET_SUBTARGET* earlier. + +2007-06-06 Paolo Bonzini <bonzini@gnu.org> + + * genmodes.c (tagged_printf, emit_insn_modes_h): Don't + use %n on printf. + +2007-06-06 Zdenek Dvorak <dvorakz@suse.cz> + + * haifa-sched.c (restore_bb_notes): Clear bb field of the notes + emited outside of basic block. + * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between + the created blocks. + * rtl.h (delete_insn_chain): Declaration changed. + * cfgrtl.c (delete_insn_chain): Add option to clear bb field for + non-removed insns. + (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain. + (delete_insn_chain_and_edges, try_redirect_by_replacing_jump, + rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false + to delete_insn_chain. + (rtl_verify_flow_info_1): Verify that the insns in header and footer + do not have bb field set. + (rtl_verify_flow_info): Verify that insns between basic blocks do not + have bb field set. + * recog.c (peephole2_optimize): Add argument to delete_insn_chain call. + * cfgcleanup.c (try_optimize_cfg): Ditto. + +2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net> + + * lambda-code.c (struct lambda_lattice_s): Add a name to the struct. + (lambda_body_vector_new): Use type safe memory macros. + (lambda_linear_expression_new): Likewise. + (lambda_loopnest_new): Likewise. + (lambda_lattice_new): Likewise. + (replace_uses_equiv_to_x_with_y): Cast according to the coding + conventions. Use type safe memory macros. + * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct. + (lambda_body_vector_s): Likewise. + * lambda-mat.c (lambda_matrix_new): Use type safe memory macros. + * lambda-trans.c (lambda_trans_matrix_new): Likewise. + +2007-06-06 Richard Guenther <rguenther@suse.de> + + * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2 + if we need to schedule cfg_cleanup. + (tree_ssa_forward_propagate_single_use_vars): Do so. + +2007-06-06 Ian Lance Taylor <iant@google.com> + + * fold-const.c (merge_ranges): If range_successor or + range_predecessor fail, just return 0. + +2007-06-06 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/32216 + * tree-vectorizer.c (supportable_widening_operation): Determine + signedness of FIX_TRUNC_EXPR from output operand. + (supportable_narrowing_operation): Ditto. + * tree-vect-generic.c (expand_vector_operations_1): Determine + signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR + from input operand. + +2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net> + + * config/i386/i386.c (enum pta_flags): Move out of struct scope... + (struct pta): ...from here. Change flags to unsigned to avoid + excessive casting (as it is used as a bit mask). + (override_options): Add casts according to the coding convenventions. + (x86_64_elf_unique_section): Likewise. + (examine_argument): Avoid using C++ keywords as variable names. + (construct_container): Likewise. + (legitimize_pic_address): Likewise. + (get_dllimport_decl): Cast according to the coding conventions. Use + type safe memory macros. + (legitimize_address): Cast according to the coding conventions. + (emit_i387_cw_initialization): Corrected the type of slot to enum + ix86_stack_slot. + (ix86_init_machine_status): Use type safe memory macros. + (bdesc_pcmpestr): Use UNKNOWN instead of integer 0. + (bdesc_pcmpistr): Likewise. + (bdesc_crc32): Likewise. + (bdesc_sse_3arg): Likewise. + (bdesc_2arg): Likewise. + (bdesc_1arg): Likewise. + (ix86_expand_sse_pcmpestr): Cast according to the coding conventions. + (ix86_expand_sse_pcmpistr): Likewise. + (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0. + (ix86_builtin_vectorized_function): Change the type of fn to unsigned + int to match the langhook definition. + (ix86_builtin_conversion): Change the type of code to unsigned init to + match the langhook definition. + (ix86_preferred_reload_class): Avoid using C++ keywords as variable + names. + (ix86_preferred_output_reload_class): Likewise. + (ix86_cannot_change_mode_class): Likewise. + (ix86_memory_move_cost): Likewise. + (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to + avoid excessive casting later on. + (x86_output_mi_thunk): Avoid using C++ keywords as variable names. + +2007-06-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm + as flags setting insn. + (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn. + +2007-06-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove. + (UNSPEC_ROUND): New. + ("sse4_1_round<mode>2"): New insn pattern. + ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for + SSE4.1 targets. + ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize + expander using SSEMODEF mode macro. Expand using + "sse4_1_round<mode>2" pattern for SSE4.1 targets. + ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize + expander using SSEMODEF mode macro. Expand using + "sse4_1_round<mode>2" pattern for SSE4.1 targets. + ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize + expander using SSEMODEF mode macro. Expand using + "sse4_1_round<mode>2" pattern for SSE4.1 targets. + * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use + UNSPEC_ROUND instead of UNSPEC_ROUNDP. + ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of + UNSPEC_ROUNDS. + +2007-06-06 Jan Sjodin <jan.sjodin@amd.com> + Sebastian Pop <sebpop@gmail.com> + + * lambda.h (build_linear_expr): New. + * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression): + Use build_linear_expr, call fold and force_gimple_operand. + (lambda_loopnest_to_gcc_loopnest): Check that there is + something to insert. + * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New. + +2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de> + + PR preprocessor/23479 + * doc/extend.texi: Document the 0b-prefixed binary integer + constant extension. + +2007-06-05 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/32215 + * tree-vectorizer.c (supportable_widening_operation): Return false + for unsupported FIX_TRUNC_EXPR tree code. + (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code. + +2007-06-06 Nathan Froyd <froydnj@codesourcery.com> + + * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch + register on SPE targets. Change documentation to reflect + reality. + * config/rs6000/rs6000.c (rs6000_conditional_register_usage): + Change FIXED_SCRATCH to 14 and document why we're keeping r14 + out of the register allocation pool. + (rs6000_reg_live_or_pic_offset_p): New function. + (rs6000_emit_prologue): Move the actual saving of LR up to free + r0 for holding r11. Split saving of SPE 64-bit registers into + its own case. Ensure that offsets will always be in-range for + 'evstdd' by using r11 as a scratch register to point at the start + of the SPE save area. Save r11 if necessary, as it is the static + chain register. + (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers + into its own case. Ensure that offsets will always be in-range + for 'evldd' by using r11 as a scratch register to point at the + start of the SPE save area. Also adjust r11 when restoring + the stack pointer to compensate for pre-loading r11. + +2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net> + + * cfg.c (init_flow): Use type safe memory macros. + (alloc_block): Likewise. + (unchecked_make_edge): Likewise. + (dump_flow_info): Avoid using C++ keywords as variable names. + (copy_original_table_clear): Cast according to the coding conventions. + (copy_original_table_set): Likewise. + * cfgexpand (label_rtx_for_bb): Likewise. + (expand_gimple_basic_block): Likewise. + * cfghooks.c (dump_bb): Likewise. + (lv_adjust_loop_header_phi): Avoid using C++ keywords as + variable names. + (lv_add_condition_to_bb): Likewise. + * cfglayout (relink_block_chain): Cast according to the coding + conventions. + (fixup_reorder_chain): Likewise. + (fixup_fallthru_exit_predecessor): Likewise. + * cfgloop.c (glb_enum_p): Likewise. + (get_exit_description): Likewise. + (dump_recorded_exit): Likewise. + * cfgloop.h (enum loop_estimation): Move out of struct scope... + (struct loop): ... from here. + * cfgloopmanip.c (rpe_enum_p): Cast according to the coding + conventions. + * cfgrtl.c (rtl_create_basic_block): Likewise. + (rtl_split_block): Likewise. + (rtl_dump_bb): Likewise. + (cfg_layout_split_block): Likewise. + (init_rtl_bb_info): Use typesafe memory macros. + + * graphds.h (struct graph_edge): Renamed edge to graph_edge. + * graphds.h: Updated all usages of edge to graph_edge. + * graphds.c: Likewise. + * cfgloopanal.c: Likewise. + +2007-06-05 Ian Lance Taylor <iant@google.com> + + * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a + PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p. + (extract_range_from_assert): Set TREE_NO_WARNING when creating an + expression. + (test_for_singularity): Likewise. + +2007-06-05 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/constraints.md ("Y2"): Replaced by ... + ("Yt"): This. + * config/i386/i386.md: Likewise. + * config/i386/mmx.md: Likewise. + * config/i386/sse.md: Likewise. + +2007-06-05 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/constraints.md ("z"): Replaced by ... + ("Y0"): This. + * config/i386/sse.md (sse4_1_blendvpd): Likewise. + (sse4_1_blendvps): Likewise. + (sse4_1_pblendvb): Likewise. + (sse4_2_pcmpestr): Likewise. + (sse4_2_pcmpestrm): Likewise. + (sse4_2_pcmpestr_cconly): Likewise. + (sse4_2_pcmpistr): Likewise. + (sse4_2_pcmpistrm): Likewise. + (sse4_2_pcmpistr_cconly): Likewise. + +2007-06-05 Razya Ladelsky <razya@il.ibm.com> + + * matrix-reorg.c (transform_access_sites): Fix computation. + (transform_allocation_sites): Same. + +2007-06-05 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (override_options): Use + TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags. + +2007-06-05 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/predicates.md (reg_not_xmm0_operand): New predicate. + (nonimm_not_xmm0_operand): Ditto. + * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand" + as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand" + as operand[2] predicate. Require "z" class XMM register for + operand[3]. Adjust asm template. + ("sse4_1_blendvpd"): Ditto. + ("sse4_1_pblendvb"): Ditto. + * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not + force op2 into xmm0 register for variable blend instructions. + +2007-06-04 Tom Tromey <tromey@redhat.com> + + * c-tree.h (start_enum): Update. + (build_enumerator): Likewise. + * c-decl.c (enum_next_value): Removed. + (enum_overflow): Likewise. + (start_enum): Add c_enum_contents argument. Don't use globals. + (build_enumerator): Likewise. + * c-tree.h (struct c_enum_contents): New struct. + +2007-06-04 Tom Tromey <tromey@redhat.com> + + * c-common.c (c_common_get_alias_set): Fix indentation. + +2007-06-04 Ian Lance Taylor <iant@google.com> + + * tree-vrp.c (adjust_range_with_scev): When loop is not expected + to overflow, reduce overflow infinity to regular infinity. + (vrp_var_may_overflow): New static function. + (vrp_visit_phi_node): Check vrp_var_may_overflow. + +2007-06-04 Kazu Hirata <kazu@codesourcery.com> + + * stor-layout.c (layout_type): Remove duplicate code. + +2007-06-04 Uros Bizjak <ubizjak@gmail.com> + + PR c/32191 + * c-common.c (c_define_builtins): Call targetm.init_builtins () + before build_common_builtin_nodes (). + +2007-06-04 Steve Ellcey <sje@cup.hp.com> + + PR target/31733 + * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier. + +2007-06-04 Jan Hubicka <jh@suse.cz> + + * tree-predcom.c (replace_ref_with, initialize_root_vars_lm, + reassociate_to_the_same_stmt): Call build_gimple_modify_stmt + instead of _stat version. + +2007-06-03 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/32194 + * tree-predcom.c (determine_offset): Check that both references have + the same type. + +2007-06-03 Zdenek Dvorak <dvorakz@suse.cz> + + * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge): + Change dom_bbs to vector. Add argument to iterate_fix_dominators call. + * loop-unroll.c (unroll_loop_runtime_iterations): Ditto. + * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector. + Add argument to iterate_fix_dominators call. + (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom. + * gcse.c (hoist_code): Change domby to vector. + * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector. + Add argument to iterate_fix_dominators call. + * loop-doloop.c (doloop_modify): Changed recount_dominator to + recompute_dominator. + * lambda-code.c (perfect_nestify): Ditto. + * cfgloopanal.c: Include graphds.h. + (struct edge, struct vertex, struct graph, dump_graph, new_graph, + add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c. + (mark_irreducible_loops): Use graphds_scc. Remove argument from + add_edge call. + * graphds.c: New file. + * graphds.h: New file. + * dominance.c: Include vecprim.h, pointer-set.h and graphds.h. + (get_dominated_by, get_dominated_by_region): Change return type to + vector. + (verify_dominators): Recompute all dominators and compare the results. + (recount_dominator): Renamed to ... + (recompute_dominator): ... this. Do not check that the block is + dominated by entry. + (iterate_fix_dominators): Reimplemented. + (prune_bbs_to_update_dominators, root_of_dom_tree, + determine_dominators_for_sons): New functions. + * et-forest.c (et_root): New function. + * et-forest.h (et_root): Declare. + * Makefile.in (graphds.o): Add. + (cfgloopanal.o): Add graphds.h dependency. + (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency. + * basic-block.h (get_dominated_by, get_dominated_by_region, + iterate_fix_dominators): Declaration changed. + (recount_dominator): Renamed to ... + (recompute_dominator): ... this. + * tree-ssa-threadupdate.c (thread_block): Free dominance info. + (thread_through_all_blocks): Do not free dominance info. + +2007-06-03 Andreas Schwab <schwab@suse.de> + + * config/m68k/m68k.c (override_options): Don't override + REAL_MODE_FORMAT. + * config/m68k/m68k-modes.def (SF, DF): Define to use + motorola_single_format and motorola_double_format, resp. + * real.c (motorola_single_format): Renamed from + coldfire_single_format. + (motorola_double_format): Renamed from coldfire_double_format. + (encode_ieee_extended): Generate a proper canonical NaN image + respecting canonical_nan_lsbs_set. + (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to + true. + * real.h: Adjust declarations. + +2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/32163 + * config/sh/sh.md (symGOT_load): Don't schedule insns when + the symbol is generated with the stack protector. + +2007-06-03 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt". + (m68k_get_function_kind): Return m68k_fk_interrupt_handler on + "interrupt". + * doc/extend.texi (interrupt): Mention m68k. + +2007-06-02 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call + safe_vector_operand() if input operand is VECTOR_MODE_P operand. + (ix86_expand_sse_pcmpestr): Do not check operands for + "register_operand", when insn operand predicate is "register_operand". + (ix86_expand_sse_pcmpistr): Ditto. + +2007-06-02 H.J. Lu <hongjiu.lu@intel.com> + Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New. + (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS. + (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string. + (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class. + * config/i386/constraints.md ("z"): New register constraint + for members of SSE_FIRST_REG class. + * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes. + * config/i386/i386.c (regclass_map): Change class of %xmm0 to + SSE_FIRST_REG class. + (put_condition_code) [EQ, NE]: Output suffixes for new compare modes. + (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes. + (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2. + (IX86_BUILTIN_PCMPESTRM128): Likewise. + (IX86_BUILTIN_PCMPESTRA128): Likewise. + (IX86_BUILTIN_PCMPESTRC128): Likewise. + (IX86_BUILTIN_PCMPESTRO128): Likewise. + (IX86_BUILTIN_PCMPESTRS128): Likewise. + (IX86_BUILTIN_PCMPESTRZ128): Likewise. + (IX86_BUILTIN_PCMPISTRI128): Likewise. + (IX86_BUILTIN_PCMPISTRM128): Likewise. + (IX86_BUILTIN_PCMPISTRA128): Likewise. + (IX86_BUILTIN_PCMPISTRC128): Likewise. + (IX86_BUILTIN_PCMPISTRO128): Likewise. + (IX86_BUILTIN_PCMPISTRS128): Likewise. + (IX86_BUILTIN_PCMPISTRZ128): Likewise. + (struct builtin_description): Change "flag" field to unsigned. + (bdesc_pcmpestr): New builtin description table. + (bdesc_pcmpistr): Likewise. + (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int, + v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int. + Initialize pcmp[ei]str[im] insns for SSE4.2. + (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin. + (ix86_expand_sse_pcmpistr): Likewise. + (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2. + * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2. + (UNSPEC_PCMPISTR): Likewise. + * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter. + (sse4_2_pcmpestri):New isns pattern. + (sse4_2_pcmpestrm): Likewise. + (sse4_2_pcmpestr_cconly): Likewise. + (sse4_2_pcmpistr): New insn patern and splitter. + (sse4_2_pcmpistri):New isns pattern. + (sse4_2_pcmpistrm): Likewise. + (sse4_2_pcmpistr_cconly): Likewise. + * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics + in SSE4.2. + +2007-06-01 David Daney <ddaney@avtrex.com> + + * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not + LOADGP_ABSOLUTE and not binds_local_p. + +2007-06-01 Geoffrey Keating <geoffk@apple.com> + + * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker. + +2007-06-01 Ian Lance Taylor <iant@google.com> + + * tree-vrp.c (compare_name_with_value): Always set + used_strict_overflow if we get a result from the variable itself. + +2007-06-01 Ian Lance Taylor <iant@google.com> + + PR rtl-optimization/31455 + * lower-subreg.c (find_decomposable_subregs): Don't decompose + subregs which have a cast between modes which are not tieable. + +2007-06-01 Uros Bizjak <ubizjak@gmail.com> + + * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove + breaks after return statements. + +2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg + only after no_new_pseudos. + +2007-05-31 Eric Christopher <echristo@apple.com> + + * expr.c (convert_move): Assert that we don't have a BLKmode + operand. + (store_expr): Handle BLKmode moves by calling emit_block_move. + +2007-05-31 Daniel Berlin <dberlin@dberlin.org> + + * c-typeck.c (build_indirect_ref): Include type in error message. + (build_binary_op): Pass types to binary_op_error. + * c-common.c (binary_op_error): Take two type arguments, print out + types with error. + * c-common.h (binary_op_error): Update prototype. + +2007-05-31 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c: Correct coments on -mno-sse4. + +2007-05-31 H.J. Lu <hongjiu.lu@intel.com> + + * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers. + (x86_64-*-*): Likewise. + * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New. + (OPTION_MASK_ISA_3DNOW_UNSET): Likewise. + (OPTION_MASK_ISA_SSE_UNSET): Likewise. + (OPTION_MASK_ISA_SSE2_UNSET): Likewise. + (OPTION_MASK_ISA_SSE3_UNSET): Likewise. + (OPTION_MASK_ISA_SSSE3_UNSET): Likewise. + (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise. + (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise. + (OPTION_MASK_ISA_SSE4): Likewise. + (OPTION_MASK_ISA_SSE4_UNSET): Likewise. + (OPTION_MASK_ISA_SSE4A_UNSET): Likewise. + (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2. + (override_options): Support SSE4.2. + (ix86_build_const_vector): Support SImode and DImode. + (ix86_build_signbit_mask): Likewise. + (ix86_expand_int_vcond): Support V2DImode. + (IX86_BUILTIN_CRC32QI): New for SSE4.2. + (IX86_BUILTIN_CRC32HI): Likewise. + (IX86_BUILTIN_CRC32SI): Likewise. + (IX86_BUILTIN_CRC32DI): Likewise. + (IX86_BUILTIN_PCMPGTQ): Likewise. + (bdesc_crc32): Likewise. + (bdesc_sse_3arg): Likewise. + (ix86_expand_crc32): Likewise. + (ix86_init_mmx_sse_builtins): Support SSE4.2. + (ix86_expand_builtin): Likewise. + * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define + __SSE4_2__ for -msse4.2. + * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2. + (CRC32MODE): Likewise. + (crc32modesuffix): Likewise. + (crc32modeconstraint): Likewise. + (sse4_2_crc32<mode>): Likewise. + (sse4_2_crc32di): Likewise. + * config/i386/i386.opt (msse4.2): New for SSE4.2. + (msse4): Likewise. + * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file. + * config/i386/smmintrin.h: Add SSE4.2 intrinsics. + * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2. + (vcond<mode>): Use SSEMODEI instead of SSEMODE124. + (vcondu<mode>): Likewise. + * doc/extend.texi: Document SSE4.2 built-in functions. + * doc/invoke.texi: Document -msse4.2/-msse4. + +2007-05-31 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/32160 + * tree-predcom.c (predcom_tmp_var): New function. Mark created + variable as gimple reg. + (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var. + +2007-05-31 Kazu Hirata <kazu@codesourcery.com> + + * gcc.c (main): Don't consider linker options when issuing the + warning about a linker input file not being used. + +2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * tree-vrp.c (compare_names): Initialize sop. + +2007-05-30 Dirk Mueller <dmueller@suse.de> + + * cgraphunit.c (cgraph_analyze_function): Remove + computation of inline parameters. + +2007-05-30 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define. + +2007-05-30 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file. + Add vx-common.h. Include vxworks.h between vx-common.h and + arm/vxworks.h. + * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before + redefining. + * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise. + (TARGET_ASM_DESTRUCTOR): Likewise. + * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale + instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS. + (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define. + (CC1_SPEC): Add -tstrongarm. Line up backslashes. + (VXWORKS_ENDIAN_SPEC): Define. + (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC. + (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their + VXWORKS_* equivalents. + (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC. + (ASM_FILE_START): Delete. + (TARGET_VERSION): Reformat. + (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define. + (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define. + * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define. + (FPBIT, DPBIT): Define. + (fp-bit.c, dp-bit.c): New rules. + (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs. + (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define. + * config/arm/arm-protos.h (arm_emit_call_insn): Declare. + * config/arm/arm.h: Include vxworks-dummy.h. + * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor): + Mark with ATTRIBUTE_UNUSED. + (arm_override_options): Do not allow VxWorks RTP PIC to be used + for Thumb. Force r9 to be the PIC register for VxWorks RTPs and + make it incompatible with -msingle-pic-base. + (arm_function_ok_for_sibcall): Return false for calls that might + go through a VxWorks PIC PLT entry. + (require_pic_register): New function, split out from... + (legitimize_pic_address): ...here. Do not use GOTOFF accesses + for VxWorks RTPs. + (arm_load_pic_register): Handle the VxWorks RTP initialization + sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg. + (arm_emit_call_insn): New function. + (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP. + * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number. + (pic_offset_arm): New pattern. + (call, call_value): Use arm_emit_call_insn. + (call_internal, call_value_internal): New expanders. + * config/arm/lib1funcs.asm (__PLT__): Define to empty for + VxWorks unless __PIC__. + +2007-05-30 Eric Christopher <echristo@gmail.com> + + * genrecog.c: Include regs.h in generated file. + * genemit.c: Ditto. Fix up formatting. + * config/mn10300/constraints.md: New. + * config/mn10300/mn10300.md: Include. + * config/mn10300/mn10300.c(mn10300_secondary_reload_class): + Fix up for removed macro. + * config/mn10300/predicates.md (call_address_operand): Ditto. + * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete. + (CONST_OK_FOR_I): Ditto. + (CONST_OK_FOR_J): Ditto. + (CONST_OK_FOR_K): Ditto. + (CONST_OK_FOR_L): Ditto. + (CONST_OK_FOR_M): Ditto. + (CONST_OK_FOR_N): Ditto. + (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto. + (OK_FOR_Q): Ditto. + (OK_FOR_R): Ditto. + (OK_FOR_T): Ditto. + (EXTRA_CONSTRAINT): Ditto. + +2007-05-30 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*): + Remove defines. + * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to + OPTION_MASK_ISA_64BIT. + * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*. + +2007-05-30 Richard Guenther <rguenther@suse.de> + + PR middle-end/32152 + * gimplify.c (gimplify_omp_atomic_pipeline): Use correct + types for comparison. + * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison + with original typed arguments. + * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches. + +2007-05-30 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/31769 + * except.c (duplicate_eh_regions): Clear prev_try if + ERT_MUST_NOT_THROW region is inside of ERT_TRY region. + +2007-05-30 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-scalar-evolution.c (scev_const_prop): Do not create labels. + * tree-ssa-sink.c (statement_sink_location): Return basic block and + bsi of the location where statements should be inserted. + (sink_code_in_bb): Take bsi from statement_sink_location. + * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels + instead of bsi_start. + * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to + bsi_insert_after. + * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after. + (bsi_move_before): Document inconsistency with bsi_move_after. + (tree_redirect_edge_and_branch): Do not create labels if not necessary. + +2007-05-30 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (TARGET_ABM): New define. + (TARGET_POPCNT): Ditto. + (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*): + New temporary defines to redefine from OPTION_ISA_* defines. + (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*): + New temporary defines to redefine from OPTION_MASK_ISA_* defines. + (ix86_isa_flags): New extern int declaration. + (TARGET_SUBTARGET_DEFAULT): New define. + (TARGET_SUBTARGET_ISA_DEFAULT): Ditto. + (TARGET_SUBTARGET32_DEFAULT): Ditto. + (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto. + (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto. + * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define. + * config/i386/darwin.h: Change TARGET_64BIT define to + OPTION_ISA_64BIT. + + * config/i386/i386.opt (m3dnowa): Define as undocumented option + using existing "ix86_isa_flags" varible. + (m32, m64): Use existing "ix86_isa_flags" variable. + (mmmx, m3dnow): Ditto. + (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto. + (mabm): Define as non-negative option using "x86_abm" variable. + (mpopcnt): Define as non-negative option using "x86_popcnt" variable. + + * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]: + Rewrite feature test bitmap. + (ix86_isa_flags): New initialized global int varible. + (ix86_isa_flags_explicit): New static int variable. + (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow, + msse, msse2, msse3, msse4.1 and msse4a option is processed. Change + i86_isa_flags and ix86_isa_flags_explicit, not target_flags and + target_flags_explicit. + (override_options): Remove "target_enable" and "target_disable" fields + from "struct ptt". Update processor_target_table accordingly. Remove + PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is + defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of + "target_flags" and "ix86_isa_flags_explicit" instead of + "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX, + MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when + PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt" + to true when either of PTA_POPCNT or PTA_ABM is set in + processor_alias_table flags entry. Set "x86_prefetch_sse" to true + when either of PTA_PREFETCH_SSE or PTA_SSE is set in + processor_alias_table flags entry. Remove handling of + "target_enable" and "target_disable" fields of processor_target_table. + Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit + targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets. + Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit + targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets. + (def_builtin): Mask "mask" variable with "ix86_isa_flags", not + "target_flags". + (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT. + +2007-05-29 David Daney <ddaney@avtrex.com> + + PR gcc/31975 + * config/mips/mips.c (mips_output_mi_thunk): Emit + NOTE_INSN_PROLOGUE_END at beginning of the thunk. + +2007-05-29 Hui-May Chang <hm.chang@apple.com> + * config/i386/i386.c (ix86_function_regparm): Added checking of + ix86_force_align_arg_pointer to determine the number of + register parameters. + +2007-05-29 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer. + (SET_DR_MISALIGNMENT): New. + * tree-vect-analyze.c (vect_compute_data_ref_alignment, + vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment): + Use SET_DR_MISALIGNMENT. + * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from + pointer. + * tree-data-ref.c (create_data_ref, compute_all_dependences, + find_loop_nest): Export. + * tree-data-ref.h (struct data_reference): Change aux field to pointer. + (create_data_ref, compute_all_dependences, find_loop_nest): Declare. + * tree-ssa-loop-prefetch.c: Include tree-data-ref.h. + (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION): + New macros. + (struct mem_ref): Add field reuse_distance. + (find_or_create_group, record_ref): Use XNEW instead of xcalloc. + Initialize reuse_distance field. + (issue_prefetch_ref): Select temporality of prefetch according to + reuse_distance. + (volume_of_references, volume_of_dist_vector, add_subscript_strides, + self_reuse_distance, determine_loop_nest_reuse): New functions. + (loop_prefetch_arrays): Call determine_loop_nest_reuse. + (tree_ssa_prefetch_arrays): Dump L2 cache size. + * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H + dependency. + +2007-05-29 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-alias.c: Add aliasing overview. + +2007-05-29 Zuxy Meng <zuxy.meng@gmail.com> + Danny Smith <dannysmith@users.sourceforge.net> + + PR target/29498 + * config/i386/t-crtfm: Compile crtfastmath.o with + -minline-all-stringops. + * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o. + * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o. + +2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * doc/md.texi: Document constraints on HP PA-RISC. + + * pa/constraints.md: New file. + * pa.md: Include constraints.md. + * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P. + (integer_store_memory_operand, ldil_cint_p): New functions. + * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare. + * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, + IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove. + * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove. + * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove. + +2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com> + + PR c/31339 + * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR, + case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR, + case POSTDECREMENT_EXPR>): Return the error_mark_node + if either the real or imaginary parts would an + error_mark_node. + +2007-05-28 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA + name when we remove it from a call. + +2007-05-28 Kazu Hirata <kazu@codesourcery.com> + + * targhooks.c (default_narrow_bitfield): Remove. + * targhooks.h: Remove the prototype for + default_narrow_bitfield. + + * langhooks-def.h: Remove the prototype for + hook_get_alias_set_0. + * langhooks.c (hook_get_alias_set_0): Remove. + + * global.c (EXECUTE_IF_CONFLICT): Remove. + +2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR tree-opt/32100 + * fold-const.c (tree_expr_nonnegative_warnv_p): Don't + return true when truth_value_p is true and the type + is of signed:1. + +2007-05-28 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (Prerequisites): We no longer require Autoconf + 2.13 for the top-level. + +2007-05-28 Uros Bizjak <ubizjak@gmail.com> + + * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned + memory access via x86_expand_vector_move_misalign() only for + TImode values on 32-bit targets. + +2007-05-28 Razya Ladelsky <razya@il.ibm.com> + + * matrix-reorg.c: New file. Implement matrix flattening and + transposing optimization. + * tree-pass.h: Add matrix reorg pass. + * common.opt: Add fipa-mreorg flag. + * Makefile.in: Add matrix-reorg.c. + * passes.c: Add matrix reorg pass. + * varpool.c (add_new_static_var): New function. + * cgraph.h (add_new_static_var): Declare. + +2007-05-27 Eric Christopher <echristo@apple.com> + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Update + sp_offset depending on stack size. Save r12 depending + on registers we're saving later. + (rs6000_emit_epilogue): Update sp_offset depending only + on stack size. + +2007-05-27 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL. + * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto. + * ifcvt.c (if_convert): Ditto. + * tree-ssa-threadupdate.c (thread_block): Ditto. + (thread_through_all_blocks): Ditto. Assert that loops were analysed. + * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa, + verify_loop_closed_ssa): Check number_of_loops instead of + current_loops. + * predict.c (tree_estimate_probability): Ditto. + * tree-if-conv.c (main_tree_if_conversion): Ditto. + * tree-ssa-loop-ch.c (copy_loop_headers): Ditto. + * modulo-sched.c (sms_schedule): Ditto. + * tree-scalar-evolution.c (scev_const_prop): Ditto. + (scev_finalize): Do not do anything if scev analysis was not + initialized. + * cfgloopanal.c (mark_irreducible_loops): Do not check whether + current_loops == NULL. + (mark_loop_exit_edges): Check number_of_loops instead of current_loops. + * loop-init.c (loop_optimizer_init): Do not free current_loops when + there are no loops. + (loop_optimizer_finalize): Assert that loops were analyzed. + (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops, + rtl_doloop): Check number_of_loops instead of current_loops. + * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether + current_loops == NULL. + (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch, + gate_tree_vectorize tree_linear_transform, check_data_deps, + tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds, + tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts): + Check number_of_loops instead of current_loops. + (tree_ssa_loop_done): Do not check whether current_loops == NULL. + * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always + free loops if available. + (execute_pre): Do not pass do_fre to fini_pre. + +2007-05-27 Tobias Burnus <burnus@net-b.de> + + PR middle-end/32083 + * real.c (mpfr_from_real): Fix sign of -Inf. + +2007-05-27 H.J. Lu <hongjiu.lu@intel.com> + + * tree-vect-transform.c (vectorizable_conversion): Initialize + tree_code variables to ERROR_MARK. + (vectorizable_type_demotion): Likewise. + (vectorizable_type_promotion): Likewise. + +2007-05-26 Uros Bizjak <ubizjak@gmail.com> + + PR target/32065 + * config/i386/i386.md (movti): Handle push operands via + ix86_expand_push(). + +2007-05-26 Kazu Hirata <kazu@codesourcery.com> + + * basic-block.h: Remove the prototype for merge_seq_blocks. + * cfgcleanup.c (merge_seq_blocks): Remove. + + * tree-flow.h: Remove the prototype for is_aliased_with. + * tree-ssa-alias.c (is_aliased_with): Remove. + +2007-05-26 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New. + + * config/i386/i386.c (ix86_expand_sse4_unpack): New. + + * config/i386/sse.md (vec_unpacku_hi_v16qi): Call + ix86_expand_sse4_unpack if SSE4.1 is enabled. + (vec_unpacks_hi_v16qi): Likewise. + (vec_unpacku_lo_v16qi): Likewise. + (vec_unpacks_lo_v16qi): Likewise. + (vec_unpacku_hi_v8hi): Likewise. + (vec_unpacks_hi_v8hi): Likewise. + (vec_unpacku_lo_v8hi): Likewise. + (vec_unpacks_lo_v8hi): Likewise. + (vec_unpacku_hi_v4si): Likewise. + (vec_unpacks_hi_v4si): Likewise. + (vec_unpacku_lo_v4si): Likewise. + (vec_unpacks_lo_v4si): Likewise. + +2007-05-26 Kazu Hirata <kazu@codesourcery.com> + + * c-typeck.c, config/arm/arm.c, config/darwin.c, + config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c, + omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and + follow spelling conventions in various + warning/error/diagnostic messages. + + * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c, + df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h, + fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h, + tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c, + tree-vrp.c: Fix comment typos. Follow spelling conventions. + * doc/tm.texi: Follow spelling conventions. + +2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR tree-opt/32090 + * tree-ssa-forwprop.c + (forward_propagate_addr_into_variable_array_index): Remove + the lhs argument. Use the type of def_rhs instead of lhs. + (forward_propagate_addr_expr_1): Update use of + forward_propagate_addr_into_variable_array_index. + +2007-05-25 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * config/mips/mips.c (mips_attribute_table): Add "near" and "far" + function attributes, "far" being an alias for "long_call". + (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes. + (mips_near_type_p, mips_far_type_p): New. + (mips_comp_type_attributes): New function to check that attributes + attached to a function type are compatible. + (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than + TARGET_LONG_CALLS when deciding whether we can do a direct sibcall + to the target function of the thunk. + (mips_encode_section_info): Check for "near" and "far" function + attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly. + + * config/mips/predicates.md (const_call_insn_operand): Test only + SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS. + + * doc/extend.texi (Function Attributes): Document MIPS "near" and + "far" attributes. + + * testsuite/gcc.target/mips/near-far-1.c: New test case. + * testsuite/gcc.target/mips/near-far-2.c: New test case. + * testsuite/gcc.target/mips/near-far-3.c: New test case. + * testsuite/gcc.target/mips/near-far-4.c: New test case. + +2007-05-25 Eric Christopher <echristo@apple.com> + + * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp + to x86-darwin configurations. + * config/i386/t-darwin: Add softfp support. + * config/i386/t-darwin64: Ditto. + * config/i386/sfp-machine.h: If mach then don't use + aliasing, emit a stub to call. + +2007-05-25 Kazu Hirata <kazu@codesourcery.com> + + * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c, + haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c, + tree-predcom.c, tree-ssa-alias-warnings.c, + tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix + comment typos. Follow spelling conventions. + * doc/cpp.texi, doc/invoke.texi: Fix typos. + +2007-05-26 Uros Bizjak <ubizjak@gmail.com> + + PR target/32065 + * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of + constants into memory. Expand unaligned memory references for + SSE modes via x86_expand_vector_move_misalign() function. + +2007-05-25 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate + "memory" attribute for "sseishft" type insn without operands[2]. + +2007-05-25 Dirk Mueller <dmueller@suse.de> + Marcus Meissner <meissner@suse.de> + + * doc/extend.texi (alloc_size): New attribute. + * c-common.c (handle_alloc_size_attribute): New. + * tree-object-size.c (alloc_object_size): Use alloc_size + attribute, if available. + +2007-05-25 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it + with MASK_SSE2. + (__builtin_ia32_vec_ext_v2di): Likewise. + (__builtin_ia32_vec_ext_v4si): Likewise. + (__builtin_ia32_vec_ext_v8hi): Likewise. + (__builtin_ia32_vec_ext_v16qi): Likewise. + (__builtin_ia32_vec_set_v8hi): Likewise. + +2007-05-25 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift. + +2007-05-25 Richard Sandiford <richard@codesourcery.com> + + * config/arm/arm-protos.h (arm_encode_call_attribute): Delete. + (arm_is_longcall_p): Rename to... + (arm_is_long_call_p): ...this. Take a single tree argument and + return a bool. + * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete. + (CUMULATIVE_ARGS): Remove call_cookie. + (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P) + (ENCODED_LONG_CALL_ATTR_P): Delete. + (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and + LONG_CALL_FLAG_CHAR cases. + (ARM_DECLARE_FUNCTION_SIZE): Delete. + * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use + ARM_DECLARE_FUNCTION_SIZE. + * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie. + (arm_function_arg): Return const0_rtx for VOIDmode arguments. + (arm_encode_call_attribute, current_file_function_operand): Delete. + (arm_function_in_section_p): New function. + (arm_is_longcall_p): Rename to... + (arm_is_long_call_p): ...this. Take the target function as a single + argument and return a bool. Do not rely on call cookies. Check + whether the target symbol is in the same section as the current + function, not just the same compilation unit. + (arm_function_ok_for_sibcall): Use arm_is_long_call_p. + (arm_encode_section_info): Don't encode a call type. + * config/arm/arm.md (call, call_value): Update calls to + arm_is_long(_)call_p. Simplify logic. + (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn): + Update calls to arm_is_long(_)call_p. + +2007-05-25 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/31982 + * tree-ssa-forwprop.c + (forward_propagate_addr_into_variable_array_index): Handle arrays + with element size one. + +2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain. + (umulsi3_highpart): Likewise. + +2007-05-24 Ian Lance Taylor <iant@google.com> + + PR rtl-optimization/32069 + * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx + is NULL. + +2007-05-24 Ollie Wild <aaw@google.com> + + * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__ + description. + +2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk> + + * postreload-gcse.c (reg_changed_after_insn_p): New function. + (oprs_unchanged_p): Use it to check all registers in a REG. + (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE. + (reg_set_between_after_reload_p): Delete. + (reg_used_between_after_reload_p): Likewise. + (reg_set_or_used_since_bb_start): Likewise. + (eliminate_partially_redundant_load): Use reg_changed_after_insn_p + and reg_used_between_p instead of reg_set_or_used_since_bb_start. + Use reg_set_between_p instead of reg_set_between_after_reload_p. + * rtlanal.c (reg_set_p): Check whether REG overlaps + regs_invalidated_by_call, rather than just checking the + membership of REGNO (REG). + +2007-05-24 Zdenek Dvorak <dvorakz@suse.cz> + + * doc/passes.texi: Document predictive commoning. + * doc/invoke.texi (-fpredictive-commoning): Document. + * opts.c (decode_options): Enable flag_predictive_commoning on -O3. + * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow + adding indices to the generated name. + (schedule_sm): Pass 0 to get_lsm_tmp_name. + * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export. + * tree-pretty-print.c (op_symbol_1): Renamed to ... + (op_symbol_code): ... and exported. + (dump_omp_clause, op_symbol): Use op_symbol_code + instead of op_symbol_1. + * tree-pass.h (pass_predcom): Declare. + * timevar.def (TV_PREDCOM): New timevar. + * tree-ssa-loop.c (run_tree_predictive_commoning, + gate_tree_predictive_commoning, pass_predcom): New. + * tree-data-ref.c (find_data_references_in_loop): Find the + references in dominance order. + (canonicalize_base_object_address): Ensure that the result has + pointer type. + (dr_analyze_innermost): Export. + (create_data_ref): Code to fail for references with invariant + address moved ... + (find_data_references_in_stmt): ... here. + * tree-data-ref.h (dr_analyze_innermost): Declare. + * tree-affine.c: Include tree-gimple.h and hashtab.h. + (aff_combination_find_elt, name_expansion_hash, + name_expansion_eq, tree_to_aff_combination_expand, + double_int_constant_multiple_p, aff_combination_constant_multiple_p): + New functions. + * tree-affine.h (aff_combination_constant_multiple_p, + tree_to_aff_combination_expand): Declare. + * tree-predcom.c: New file. + * common.opt (fpredictive-commoning): New option. + * tree-flow.h (op_symbol_code, tree_predictive_commoning, + stmt_dominates_stmt_p, get_lsm_tmp_name): Declare. + * Makefile.in (tree-predcom.o): Add. + (tree-affine.o): Add TREE_GIMPLE_H dependency. + * passes.c (init_optimization_passes): Add dceloop after + copy propagation in loop optimizer. Add predictive commoning + to loop optimizer passes. + +2007-05-24 H.J. Lu <hongjiu.lu@intel.com> + + * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct + default hook. + +2007-05-24 Jan Hubicka <jh@suse.cz> + + * gengenrtl.c (gendecl, gendef): Output the gens annotated for + statistics. + (genheader): Include statistics.h. + + * doc/invoke.texi (-fdump-unnumbered): Update docs when line number + notes are gone. + * print-rtl.c (flag_dump_unnumbered): Update comments. + (print_rtl): Fix my previous change. + * emit-rtl.c (emit_note_before, emit_note_after): Clear out note + specific data. + +2007-05-24 Zdenek Dvorak <dvorakz@suse.cz> + + PR middle-end/32018 + * tree-ssa-threadupdate.c (thread_through_loop_header): Use + set_loop_copy. + (thread_through_all_blocks): Call initialize_original_copy_tables + and free_original_copy_tables. + * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge): + Use set_loop_copy. + * tree-cfg.c (tree_duplicate_sese_region): Ditto. + * cfghooks.c (duplicate_block): Use get_loop_copy. + * cfg.c: Include cfgloop.h. + (loop_copy): New hash table. + (initialize_original_copy_tables): Initialize loop_copy table. + (free_original_copy_tables): Free loop_copy table. + (copy_original_table_clear, copy_original_table_set, + set_loop_copy, get_loop_copy): New functions. + (set_bb_original, set_bb_copy): Use copy_original_table_set. + * cfgloop.h (struct loop): Remove copy field. + * Makefile.in (cfg.o): Add CFGLOOP_H dependency. + * basic-block.h (set_loop_copy, get_loop_copy): Declare. + +2007-05-24 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for + -msse/-msse2/-msse3. + +2007-05-24 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark + __builtin_ia32_vec_set_v2di with MASK_64BIT. + +2007-05-24 Danny Smith <dannysmith@users.sourceforge.net> + + PR target/27067 + * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document. + * targhooks.h (default_mangle_decl_assembler_name): Declare + default hook. + * targhooks.c (default_mangle_decl_assembler_name): Define + default hook. + * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to + default hook. + * target.h (struct gcc_target): Add mangle_decl_assembler_name field. + * langhooks.c (lhd_set_decl_assembler_name): Call + targetm.mangle_decl_assembler_name for names with global scope. + + * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override + default. + (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME. + * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name): + Declare. + * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name): + New. Factored out of i386_pe_encode_section_info. + (gen_stdcall_or_fastcall_suffix): Get name identifier as argument. + Move check for prior decoration of stdcall + symbols to i386_pe_encode_section_info. + (i386_pe_encode_section_info): Adjust call to + gen_stdcall_or_fastcall_suffix. Use + i386_pe_maybe_mangle_decl_assembler_name, if needed. + (i386_pe_mangle_decl_assembler_name): New. Wrap + i386_pe_maybe_mangle_decl_assembler_name. + +2007-05-16 Rafael Avila de Espindola <espindola@google.com> + + * c-common.c (c_common_signed_or_unsigned_type): Delay the check for + INTEGRAL_TYPE_P and TYPE_UNSIGNED. + * langhooks.c (get_signed_or_unsigned_type): Don't check for + INTEGRAL_TYPE_P or TYPE_UNSIGNED. + (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and + TYPE_UNSIGNED. + +2007-05-23 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + Richard Sandiford <richard@codesourcery.com> + + Fix up MIPS16 hard float and add support for complex. + + * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New. + (TARGET_SOFT_FLOAT_ABI): New. + (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and + __mips_soft_float to reflect the ABI in use, not whether the + FPU is directly accessible (e.g., in MIPS16 mode). + (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI. + (UNITS_PER_FPVALUE): Likewise. + + * config/mips/mips.c (mips_expand_call): Remove redundant + TARGET_MIPS16 check. + (mips_arg_regno): New. + (function_arg_advance): When setting bits in cum->fp_code for + MIPS16, don't subtract 1 from cum->arg_number, since it is now + zero-based. + (function_arg): Use mips_arg_regno. + (mips_return_mode_in_fpr_p): New. + (mips16_call_stub_mode_suffix): New. + (mips16_cfun_returns_in_fpr_p): New. + (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p. + (mips_output_function_prologue): Test mips16_hard_float, not + !TARGET_SOFT_FLOAT, to decide when a function stub is required. + (mips_expand_epilogue): Call MIPS16 helper routines to copy + return value into a floating-point register. + (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p. + (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p. + (mips16_fp_args): Handle MIPS32r2 ISA which supports + TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant + word of double arguments from or to the high bits of 64-bit + floating point registers. + (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl. + (mips16_fpret_double): New helper function. + (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add + support for complex modes. Fill in DECL_RESULT for stubdecl. + (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check. + + * config/mips/mips16.S + (RET, ARG1, ARG2): New. + (MERGE_GPRf, MERGE_GPRt): New. + (DELAYt, DELAYf): New. + (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New. + (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New. + (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New. + (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New. + (SFOP): Renamed to... + (OPSF3): This, and macro-ified. Updated all uses. + (SFOP2): Renamed to... + (OPSF2): This, and macro-ified. Updated all uses. + (SFCMP): Renamed to... + (CMPSF): This, and macro-ified. Updated all uses. + (SFREVCMP): Renamed to... + (REVCMPSF): This, and macro-ified. Updated all uses. + (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified. + (LDDBL1, LDDBL2, RETDBL): Deleted. + (DFOP): Renamed to... + (OPDF3): This, and macro-ified. Updated all uses. + (DFOP2): Renamed to... + (OPDF2): This, and macro-ified. Updated all uses. + (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified. + (DFCMP): Renamed to... + (CMPDF): This, and macro-ified. Updated all uses. + (DFREVCMP): Renamed to... + (REVCMPDF): This, and macro-ified. Updated all uses. + (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified. + (RET_FUNCTION): New. + (__mips16_ret_sf, __mips16_ret_df): Macro-ified. + (__mips16_ret_sc, __mips16_ret_dc): New. + (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2, + STUB_ARGS_6, STUB_ARGS_10): New. + (CALL_STUB_NO_RET): New. + (__mips16_call_stub_1): Macro-ified. + (__mips16_call_stub_5): Macro-ified. + (__mips16_call_stub_2): Macro-ified. + (__mips16_call_stub_6): Macro-ified. + (__mips16_call_stub_9): Macro-ified. + (__mips16_call_stub_10): Macro-ified. + (CALL_STUB_RET): New. + (__mips16_call_stub_sf_0): Macro-ified. + (__mips16_call_stub_sf_1): Macro-ified. + (__mips16_call_stub_sf_5): Macro-ified. + (__mips16_call_stub_sf_2): Macro-ified. + (__mips16_call_stub_sf_6): Macro-ified. + (__mips16_call_stub_sf_9): Macro-ified. + (__mips16_call_stub_sf_10): Macro-ified. + (__mips16_call_stub_df_0): Macro-ified. + (__mips16_call_stub_df_1): Macro-ified. + (__mips16_call_stub_df_5): Macro-ified. + (__mips16_call_stub_df_2): Macro-ified. + (__mips16_call_stub_df_6): Macro-ified. + (__mips16_call_stub_df_9): Macro-ified. + (__mips16_call_stub_df_10): Macro-ified. + (__mips16_call_stub_sc_0): New. + (__mips16_call_stub_sc_1): New. + (__mips16_call_stub_sc_5): New. + (__mips16_call_stub_sc_2): New. + (__mips16_call_stub_sc_6): New. + (__mips16_call_stub_sc_9): New. + (__mips16_call_stub_sc_10): New. + (__mips16_call_stub_dc_0): New. + (__mips16_call_stub_dc_1): New. + (__mips16_call_stub_dc_5): New. + (__mips16_call_stub_dc_2): New. + (__mips16_call_stub_dc_6): New. + (__mips16_call_stub_dc_9): New. + (__mips16_call_stub_dc_10): New. + + * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs. + * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise. + * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise. + +2007-05-23 Ian Lance Taylor <iant@google.com> + + * doc/invoke.texi (Invoking GCC): Document that the order of the + -l option matters. + +2007-05-23 Chen Liqin <liqin@sunnorth.com.cn> + + PR target/30987 + * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove. + * config/score/predicate.md (const_pow2, const_npow2): Remove. + * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL + undef. + + PR target/30474 + * config/score/score.c (score_print_operand): Make sure that only + lower bits are used. + +2007-05-22 Ian Lance Taylor <iant@google.com> + + * tree-vrp.c (avoid_overflow_infinity): New static function, + broken out of set_value_range_to_value. + (set_value_range_to_value): Call avoid_overflow_infinity. + (extract_range_from_assert): Likewise. + +2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/31095 + * builtins.c (expand_builtin_memmove_args): Strip nops that don't + change the type before looking for a COMPOUND_EXPR. + +2007-05-22 Ian Lance Taylor <iant@google.com> + + * lower-subreg.c (decompose_multiword_subregs): If we change an + insn, call remove_retval_note on it. + +2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk> + + * regs.h (end_hard_regno): New function. + (END_HARD_REGNO, END_REGNO): New macros. + (add_to_hard_reg_set): New function. + (remove_from_hard_reg_set): Likewise. + (in_hard_reg_set_p): Likewise. + (overlaps_hard_reg_set_p): Likewise. + * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p. + (note_btr_set): Use END_HARD_REGNO. + * caller-save.c (setup_save_areas): Use end_hard_regno. + (mark_set_regs): Use END_HARD_REGNO. + (add_stored_regs): Use end_hard_regno. + (mark_referenced_regs): Use add_to_hard_reg_set. + * combine.c (update_table_tick): Use END_REGNO. + (record_value_for_reg): Likewise. + (record_dead_and_set_regs): Likewise. + (get_last_value_validate): Likewise. + (use_crosses_set_p): Likewise. + (reg_dead_at_p_1): Likewise. + (reg_dead_at_p): Likewise. + (mark_used_regs_combine): Use add_to_hard_reg_set. + (move_deaths): Use END_HARD_REGNO. + (reg_bitfield_target_p): Use end_hard_regno. + (distribute_notes): Use END_HARD_REGNO. + * cse.c (mention_regs): Use END_REGNO. + (insert): Use add_to_hard_reg_set. + (invalidate): Use END_HARD_REGNO. + (invalidate_for_call): Likewise. + (exp_equiv_p): Use END_REGNO. + (cse_insn): Likewise. + * cselib.c (cselib_invalidate_regno): Use end_hard_regno. + * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO. + * df-scan.c (df_ref_record): Use END_HARD_REGNO. + * function.c (keep_stack_depressed): Use end_hard_regno. + * global.c (global_alloc): Use end_hard_regno. + (global_conflicts): Use add_to_hard_reg_set instead of + mark_reg_live_nc. + (find_reg): Likewise. + (mark_reg_store): Likewise. + (mark_reg_conflicts): Likewise. + (mark_reg_death): Use remove_from_hard_reg_set. + (mark_reg_live_nc): Delete. + (set_preference): Use end_hard_regno. + * local-alloc.c (mark_life): Use add_to_hard_reg_set and + remove_from_hard_reg_set. + (post_mark_life): Use add_to_hard_reg_set. + * mode-switching.c (reg_dies): Use remove_from_hard_reg_set. + (reg_becomes_live): Use add_to_hard_reg_set. + * recog.c (reg_fits_class_p): Use in_hard_reg_set_p. + (peep2_find_free_register): Use add_to_hard_reg_set. + * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO. + * regclass.c (record_reg_classes): Use in_hard_reg_set_p. + * regrename.c (note_sets): Use add_to_hard_reg_set. + (clear_dead_regs): Use remove_from_hard_reg_set. + (regrename_optimize): Use add_to_hard_reg_set. + (find_oldest_value_reg): Use in_hard_reg_set_p. + * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno. + (hard_reg_set_here_p): Use end_hard_regno. + (decompose): Likewise. + (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO. + (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno. + * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set. + (mark_home_live): Use end_hard_regno. + (spill_hard_reg): Likewise. + (clear_reload_reg_in_use): Likewise. + * reorg.c (delete_prior_computation): Use END_REGNO. + * resource.c (update_live_status): Use END_HARD_REGNO. + (mark_referenced_resources): Use add_to_hard_reg_set. + (mark_set_resources): Likewise. + (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set. + * rtlanal.c (refers_to_regno_p): Use END_REGNO. + (reg_overlap_mentioned_p): Likewise. + (dead_or_set_p): Likewise. Use an exclusive upper loop bound. + (covers_regno_no_parallel_p): Use END_REGNO. + (find_regno_note): Likewise. + (find_reg_fusage): Use END_HARD_REGNO. + * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p. + * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno. + +2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk> + + * mode-switching.c (reg_dies): Change type of second argument to + "HARD_REG_SET *". + (optimize_mode_switching): Update accordingly. + +2007-05-22 Richard Sandiford <richard@codesourcery.com> + + * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete + in favor of... + (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p) + (hard_reg_set_empty_p): ...these new functions. + * bt-load.c (choose_btr): Use hard_reg_subset_p instead of + GO_IF_HARD_REG_SUBSET. + * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p + instead of GO_IF_HARD_REG_EQUAL. + * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p + instead of GO_IF_HARD_REG_EQUAL. + * global.c (find_reg): Use hard_reg_set_empty_p instead of + GO_IF_HARD_REG_SUBSET. + (modify_reg_pav): Use hard_reg_set_empty_p instead of + GO_IF_HARD_REG_EQUAL. + * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead + of GO_IF_HARD_REG_SUBSET. + * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p + instead of GO_IF_HARD_REG_EQUAL. + * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use + hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET. + (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead + of GO_IF_HARD_REG_SUBSET, + * reload1.c (finish_spills): Use hard_reg_subset_p instead of + GO_IF_HARD_REG_SUBSET. + * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p + instead of GO_IF_HARD_REG_EQUAL. + * config/sh/sh.c (push_regs, calc_live_regs): Use + hard_reg_sets_intersect_p instead of hard_regs_intersect_p. + (hard_regs_intersect_p): Delete. + +2007-05-22 Janis Johnson <janis187@us.ibm.com> + + * doc/sourcebuild.texi (Test Directives) Add dg-message. + +2007-05-22 H.J. Lu <hongjiu.lu@intel.com> + Richard Henderson <rth@redhat.com> + + * config.gcc (i[34567]86-*-*): Add smmintrin.h to + extra_headers. + (x86_64-*-*): Likewise. + + * config/i386/i386-modes.def (V2QI): New. + + * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and + SSE4A. + (override_options): Support SSE4.1. + (IX86_BUILTIN_BLENDPD): New for SSE4.1. + (IX86_BUILTIN_BLENDPS): Likewise. + (IX86_BUILTIN_BLENDVPD): Likewise. + (IX86_BUILTIN_BLENDVPS): Likewise. + (IX86_BUILTIN_PBLENDVB128): Likewise. + (IX86_BUILTIN_PBLENDW128): Likewise. + (IX86_BUILTIN_DPPD): Likewise. + (IX86_BUILTIN_DPPS): Likewise. + (IX86_BUILTIN_INSERTPS128): Likewise. + (IX86_BUILTIN_MOVNTDQA): Likewise. + (IX86_BUILTIN_MPSADBW128): Likewise. + (IX86_BUILTIN_PACKUSDW128): Likewise. + (IX86_BUILTIN_PCMPEQQ): Likewise. + (IX86_BUILTIN_PHMINPOSUW128): Likewise. + (IX86_BUILTIN_PMAXSB128): Likewise. + (IX86_BUILTIN_PMAXSD128): Likewise. + (IX86_BUILTIN_PMAXUD128): Likewise. + (IX86_BUILTIN_PMAXUW128): Likewise. + (IX86_BUILTIN_PMINSB128): Likewise. + (IX86_BUILTIN_PMINSD128): Likewise. + (IX86_BUILTIN_PMINUD128): Likewise. + (IX86_BUILTIN_PMINUW128): Likewise. + (IX86_BUILTIN_PMOVSXBW128): Likewise. + (IX86_BUILTIN_PMOVSXBD128): Likewise. + (IX86_BUILTIN_PMOVSXBQ128): Likewise. + (IX86_BUILTIN_PMOVSXWD128): Likewise. + (IX86_BUILTIN_PMOVSXWQ128): Likewise. + (IX86_BUILTIN_PMOVSXDQ128): Likewise. + (IX86_BUILTIN_PMOVZXBW128): Likewise. + (IX86_BUILTIN_PMOVZXBD128): Likewise. + (IX86_BUILTIN_PMOVZXBQ128): Likewise. + (IX86_BUILTIN_PMOVZXWD128): Likewise. + (IX86_BUILTIN_PMOVZXWQ128): Likewise. + (IX86_BUILTIN_PMOVZXDQ128): Likewise. + (IX86_BUILTIN_PMULDQ128): Likewise. + (IX86_BUILTIN_PMULLD128): Likewise. + (IX86_BUILTIN_ROUNDPD): Likewise. + (IX86_BUILTIN_ROUNDPS): Likewise. + (IX86_BUILTIN_ROUNDSD): Likewise. + (IX86_BUILTIN_ROUNDSS): Likewise. + (IX86_BUILTIN_PTESTZ): Likewise. + (IX86_BUILTIN_PTESTC): Likewise. + (IX86_BUILTIN_PTESTNZC): Likewise. + (IX86_BUILTIN_VEC_EXT_V16QI): Likewise. + (IX86_BUILTIN_VEC_SET_V2DI): Likewise. + (IX86_BUILTIN_VEC_SET_V4SF): Likewise. + (IX86_BUILTIN_VEC_SET_V4SI): Likewise. + (IX86_BUILTIN_VEC_SET_V16QI): Likewise. + (bdesc_ptest): New. + (bdesc_sse_3arg): Likewise. + (bdesc_2arg): Likewise. + (bdesc_1arg): Likewise. + (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins + with 3 args. + (ix86_expand_sse_4_operands_builtin): New. + (ix86_expand_unop_builtin): Support 2 arg builtins with a constant + smaller than 8 bits as the 2nd arg. + (ix86_expand_sse_ptest): New. + (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins. + (ix86_expand_vector_set): Support SSE4.1. + (ix86_expand_vector_extract): Likewise. + + * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define + __SSE4_1__ for -msse4.1. + + * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1. + (UNSPEC_INSERTPS): Likewise. + (UNSPEC_DP): Likewise. + (UNSPEC_MOVNTDQA): Likewise. + (UNSPEC_MPSADBW): Likewise. + (UNSPEC_PHMINPOSUW): Likewise. + (UNSPEC_PTEST): Likewise. + (UNSPEC_ROUNDP): Likewise. + (UNSPEC_ROUNDS): Likewise. + + * config/i386/i386.opt (msse4.1): New for SSE4.1. + + * config/i386/predicates.md (const_pow2_1_to_2_operand): New. + (const_pow2_1_to_32768_operand): Likewise. + + * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header + file. + + * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for + SSE4.1. + (sse4_1_insertps): Likewise. + (*sse4_1_extractps): Likewise. + (sse4_1_ptest): Likewise. + (sse4_1_mulv2siv2di3): Likewise. + (*sse4_1_mulv4si3): Likewise. + (*sse4_1_smax<mode>3): Likewise. + (*sse4_1_umax<mode>3): Likewise. + (*sse4_1_smin<mode>3): Likewise. + (*sse4_1_umin<mode>3): Likewise. + (sse4_1_eqv2di3): Likewise. + (*sse4_1_pinsrb): Likewise. + (*sse4_1_pinsrd): Likewise. + (*sse4_1_pinsrq): Likewise. + (*sse4_1_pextrb): Likewise. + (*sse4_1_pextrb_memory): Likewise. + (*sse4_1_pextrw_memory): Likewise. + (*sse4_1_pextrq): Likewise. + (sse4_1_blendpd): Likewise. + (sse4_1_blendps): Likewise. + (sse4_1_blendvpd): Likewise. + (sse4_1_blendvps): Likewise. + (sse4_1_dppd): Likewise. + (sse4_1_dpps): Likewise. + (sse4_1_movntdqa): Likewise. + (sse4_1_mpsadbw): Likewise. + (sse4_1_packusdw): Likewise. + (sse4_1_pblendvb): Likewise. + (sse4_1_pblendw): Likewise. + (sse4_1_phminposuw): Likewise. + (sse4_1_extendv8qiv8hi2): Likewise. + (*sse4_1_extendv8qiv8hi2): Likewise. + (sse4_1_extendv4qiv4si2): Likewise. + (*sse4_1_extendv4qiv4si2): Likewise. + (sse4_1_extendv2qiv2di2): Likewise. + (*sse4_1_extendv2qiv2di2): Likewise. + (sse4_1_extendv4hiv4si2): Likewise. + (*sse4_1_extendv4hiv4si2): Likewise. + (sse4_1_extendv2hiv2di2): Likewise. + (*sse4_1_extendv2hiv2di2): Likewise. + (sse4_1_extendv2siv2di2): Likewise. + (*sse4_1_extendv2siv2di2): Likewise. + (sse4_1_zero_extendv8qiv8hi2): Likewise. + (*sse4_1_zero_extendv8qiv8hi2): Likewise. + (sse4_1_zero_extendv4qiv4si2): Likewise. + (*sse4_1_zero_extendv4qiv4si2): Likewise. + (sse4_1_zero_extendv2qiv2di2): Likewise. + (*sse4_1_zero_extendv2qiv2di2): Likewise. + (sse4_1_zero_extendv4hiv4si2): Likewise. + (*sse4_1_zero_extendv4hiv4si2): Likewise. + (sse4_1_zero_extendv2hiv2di2): Likewise. + (*sse4_1_zero_extendv2hiv2di2): Likewise. + (sse4_1_zero_extendv2siv2di2): Likewise. + (*sse4_1_zero_extendv2siv2di2): Likewise. + (sse4_1_roundpd): Likewise. + (sse4_1_roundps): Likewise. + (sse4_1_roundsd): Likewise. + (sse4_1_roundss): Likewise. + (mulv4si3): Don't expand for SSE4.1. + (smax<mode>3): Likewise. + (umaxv4si3): Likewise. + (uminv16qi3): Likewise. + (umin<mode>3): Likewise. + (umaxv8hi3): Rewrite. Only enabled for SSE4.1. + + * doc/extend.texi: Document SSE4.1 built-in functions. + + * doc/invoke.texi: Document -msse4.1. + +2007-05-22 Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec. + * config/m68k/m68k-none.h (ASM_SPEC): Don't override here. + * config/m68k/m68k.h (ASM_PCREL_SPEC): New. + (ASM_SPEC): Add asm_pcrel_spec. + (EXTRA_SPECS): Add asm_pcrel_spec. + +2007-05-21 David Daney <ddaney@avtrex.com> + + * doc/install.texi (Building a cross compiler): Add requirements + for Java cross compiler. + +2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/31995 + * tree-chrec.c (evolution_function_is_affine_multivariate_p): + Add loopno argument. Use evolution_function_is_invariant_rec_p + instead of evolution_function_is_constant_p. + Update calls to evolution_function_is_affine_multivariate_p. + * tree-chrec.h (evolution_function_is_affine_multivariate_p): + Add loopno argument. + * tree-scalar-evolution.c (gather_chrec_stats): Call + evolution_function_is_affine_multivariate_p with a loop + number of 0. + * tree-data-ref.c (analyze_miv_subscript): Likewise. + (analyze_overlapping_iterations): Likewise. + (access_functions_are_affine_or_constant_p): Likewise. + (build_classic_dist_vector_1): If the access functions + are equal, don't do anything. + +2007-05-21 Paolo Bonzini <bonzini@gnu.org> + Paolo Carlini <pcarlini@suse.de> + Uros Bizjak <ubizjak@gmail.com> + + * c-cppbuiltin.c (c_cpp_builtins): Define + __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2, + __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8, + __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate. + * doc/cpp.texi ([Standard Predefined Macros]): Document. + +2007-05-21 Mike Stump <mrs@apple.com> + + * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil + handling as well. + * config/darwin9.h (LINK_COMMAND_SPEC): Likewise. + +2007-05-21 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro + implementation if __OPTIMIZE__ is not defined. + (_mm_alignr_pi8): Ditto. + * config/i386/ammintrin.h (_mm_extracti_si64): Ditto. + (_mm_inserti_si64): Ditto. + * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto. + (_mm_slli_epi16): Ditto. + (_mm_slli_epi32): Ditto. + (_mm_slli_epi64): Ditto. + (_mm_srai_epi16): Ditto. + (_mm_srai_epi32): Ditto. + (_mm_srli_si128): Ditto. + (_mm_slli_si128): Ditto. + (_mm_srli_epi16): Ditto. + (_mm_srli_epi32): Ditto. + (_mm_srli_epi64): Ditto. + (_mm_extract_epi16): Ditto. + (_mm_insert_epi16): Ditto. + (_mm_shufflehi_epi16): Ditto. + (_mm_shufflelo_epi16): Ditto. + (_mm_shuffle_epi32): Ditto. + * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto. + (_m_pextrw): Ditto. + (_mm_insert_pi16): Ditto. + (_m_pinsrw): Ditto. + (_mm_shuffle_pi16): Ditto. + (_m_pshufw): Ditto. + (_mm_shufle_ps): Ditto. + (_mm_prefetch): Ditto. + +2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com> + + * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed. + * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed. + * real.c (encode_i370_single, decode_i370_single, + encode_i370_double, decode_i370_double): Functions removed. + (i370_single_format, i370_double_format): Initializations removed. + (real_maxval, round_for_format, exact_real_truncate, significand_size): + Consider the log2_b field to always be one. + (ieee_single_format, mips_single_format, coldfire_single_format, + ieee_double_format, mips_double_format, coldfire_double_format, + ieee_extended_motorola_format, ieee_extended_intel_96_format, + ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format, + ibm_extended_format, mips_extended_format, ieee_quad_format, + mips_quad_format, vax_f_format, vax_d_format, vax_g_format, + decimal_single_format, decimal_double_format, decimal_quad_format, + c4x_single_format, c4x_extended_format, real_internal_format): Remove + initialization of log2_b. + * real.h (i370_single_format, i370_double_format): Declarations + removed. + * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b + field to always be one. + +2007-05-21 Andreas Schwab <schwab@suse.de> + + * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of + NOTE_INSN_BASIC_BLOCK_P. + (process_for_unwind_directive): Likewise. + +2007-05-21 Nathan Sidwell <nathan@codesourcery.com> + + * builtins.c (expand_builtin_setjmp_setup): Update comment. + * function.h (struct function): Move va_list_gpr_size, + va_list_fpr_size, function_frequency to front of bitfields. Add + calls_unwind_init. + (current_function_calls_unwind_init): New. + * except.c (expand_builtin_unwind_init): Set + current_function_calls_unwind_init not + current_function_has_nonlocal_label. + * reload1.c (has_nonexceptional_receiver): New. + (reload): Use it and current_function_calls_unwind_init to + determine whether call-saved regs must be saved. + +2007-05-20 Jan Hubicka <jh@suse.cz> + + * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of + NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible. + * ddg.c (create_ddg): LIkewise. + * final.c (final): Remove hunk moving line number notes around since + they are no longer present at this stage. + (final_scan_insn): Use NOTE_KIND instead of + NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible. + (output_asm_label): Likewise. + * reorg.c (dbr_schedule): Likewise. + * haifa-sched.c (unlink_other_notes): Likewise. + * mode-switching.c (optimize_mode_switching): Likewise. + * graph.c (start_bb): Likewise. + * rtl.def (NOTE): Update description. + * jump.c (squeeze_notes): Delete. + (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use + NOTE_INSN_BASIC_BLOCK_P when possible. + * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes. + * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of + NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible. + (dwarf2out_var_location): Likewise. + * cfgbuild.c (make_edges): Likewise. + (find_basic_blocks_1): Likewise. + * function.c (reorder_blocks_1): Likewise. + (epilogue_done): Likewise. + (reposition_prologue_and_epilogue_notes): Likewise. + * print-rtl.c (print_rtx): Likewise; drop code for printing + line number notes. + (print_rtl): Likewise. + (print_rtl_single): Likewise. + * gcse.c (insert_insn_start_bb): Likewise. + * alias.c (init_alias_analysis): Likewise. + * calls.c (fixup_tail_calls): Likewise. + * except.c (sjlj_emit_function_enter): Likewise. + * emit-rtl.c (add_insn_after): Likeiwse. + (emit_label_before): Likewise. + (emit_label_after): Likewise. + (emit_note_before, emit_note_after, emit_note): Update + parameter to be enum insn_note; do not deal with source + files. + * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): + Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P + when possible. + (merge_blocks_move_successor_nojumps): Simplify now when + we don't have BLOCK notes. + (try_optimize_cfg): Likewise. + * cfglayout.c (skip_insns_after_block): Likewise. + (record_effective_endpoints): Likewise. + (duplicate_insn_chain): Likewise. + * varasm.c (output_constant_pool_1): Likewise. + * sched-deps.c (sched_analyze): Likewise. + * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS): + Exterminate. + (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone. + * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate. + (SET_INSN_DELETED): Simplify. + (NOTE_LINE_NUMBER): Exterminate. + (NOTE_LINE_KIND): New. + (NOTE_INSN_BASIC_BLOCK_P): Update. + (enum insn_note): Simplify. + (GET_NOTE_INSN_NAME) Simplify. + (emit_note_before, emit_note_after, emit_note): Update prototype. + (squeeze_notes): Remove. + * sched-int.h (NOTE_NOT_BB_P): Update. + * resource.c (mark_target_live_regs): Update. + * sched-rgn.c (debug_dependencies): Update. + * sched-vis.c (print_insn): Update. + * config/alpha/alpha.c (alpha_handle_trap_shadows): Update. + * config/i386/i386.c (ix86_output_function_epilogue): Update. + * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0. + (TARGET_ADJUST_UNROLL_MAX): Likewise. + (split_branches): Update. + (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc + 4.0.0. + (sh_adjust_unroll_max): Exterminate. + * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED. + * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise. + (m68hc11_reorg): Likewise. + * config/ia64/ia64.c (emit_insn_group_barriers): Update. + (emit_predicate_relation_info): Update. + (process_for_unwind_directive): Update. + * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update. + (output_call): Update. + * config/pa/pa.c (output_lbranch): Update. + (output_millicode_call): Update. + (output_call): Update. + (pa_combine_instructions): Update. + * config/mips/mips.c (mips16_gp_pseudo_reg): Update. + * config/bfin/bfin.c (gen_one_bundle): Update. + * cfgrtl.c (can_delete_note_p): Update. + (delete_insn): Update. + (rtl_merge_blocks): Update. + (commit_one_edge_insertion): Update. + (rtl_verify_flow_info): Update. + * stmt.c (expand_case): Do not call squeeze_notes. + +2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR middle-end/7651 + PR c++/11856 + PR c/12963 + PR c/23587 + PR other/29694 + * c.opt (Wtype-limits): New. + * doc/invoke.texi (Wtype-limits): Document it. + (Wextra): Enabled by -Wextra. + * c-opts.c (c_common_post_options): Enabled by -Wextra. + * c-common.c (shorten_compare): Warn with Wtype-limits. + +2007-05-20 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always + inlined function, not as a macro. + (_mm_alignr_pi8): Ditto. + * config/i386/ammintrin.h (_mm_extracti_si64): Ditto. + (_mm_inserti_si64): Ditto. + * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto. + (_mm_extract_epi16): Ditto. + (_mm_insert_epi16): Ditto. + (_mm_shufflehi_epi16): Ditto. + (_mm_shufflelo_epi16): Ditto. + (_mm_shuffle_epi32): Ditto. + * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant. + * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to + all functions. + (_m_from_float): Add __extension__ to conversion. Use 0.0f for + float constant. + (_m_to_float): Use C89 compatible assignment. + +2007-05-20 Martin Michlmayr <tbm@cyrius.com> + + PR target/32007 + * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines. + +2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR middle-end/7651 + * doc/invoke.texi (Wreturn-type): Complete description. + (Wextra): Delete item about return-type warning. + * c-decl.c: Delete redundant Wextra warning. + +2007-05-20 Uros Bizjak <ubizjak@gmail.com> + + PR target/31585 + * config/i386/pmmintrin.h: Do not include xmmintrin.h + * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always + inlined function, not as a macro. + (_mm_prefetch): Ditto. + (_m_pextrw): Ditto. + (_mm_insert_pi16): Ditto. + (_m_pinsrw): Ditto. + (_mm_shuffle_pi16): Ditto. Add const to __N argument. + (_m_pshufw): Ditto. Add const to __N argument. + (_mm_shufle_ps): Ditto. Add const to __mask argument. + * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument. + (_mm_slli_epi32): Ditto. + (_mm_srli_si128): Implement as always inlined function, not as a + macro. Add __inline to function declaration. + (_mm_slli_si128): Ditto. + +2007-05-19 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM, + FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT): + New constants. + (struct fenv): New structure. + (FP_HANDLE_EXCEPTIONS): New define. + (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants. + (_FP_DECL_EXP): New define. + (FP_INIT_ROUNDMODE): New define. + (FP_ROUNDMODE): New define. + +2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * doc/invoke.texi (Warning Options): Add -Wconversion-sign. + (Wconversion): Update description. + (Wconversion-sign): New. + * c.opt (Wconversion-sign): New. + * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign + means disabled for C++. Otherwise, take the status of Wconversion. + * c-common.c (conversion_warning): Warn with either Wconversion or + Wconversion-sign. + (warnings_for_convert_and_check): Conditions are already checked by + conversion_warning. + (convert_and_check): Don't check warnings if the conversion failed. + +2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net> + Anatoly Sokolov <aesok@dol.ru> + + * config/avr/avr-protos.h (expand_prologue, expand_epilogue, + avr_epilogue_uses) : Add declaration. + * config/avr/predicates.md (avr_sp_immediate_operand): New predicate. + * config/avr/constraints.md (R): New constraint. + config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI, + UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants. + (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ... + (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns. + (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt, + call_prologue_saves, epilogue_restores, return_from_epilogue, + return_from_main_epilogue, return_from_interrupt_epilogue, + return_from_naked_epilogue, prologue, epilogue): New patterns. + (jump): Handle symbol reference. + * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr, + avr_output_function_prologue, avr_output_function_epilogue): Remove + functions. + (avr_init_machine_status, expand_prologue, expand_epilogue, + avr_asm_function_end_prologue, avr_epilogue_uses, + avr_asm_function_begin_epilogue): New functions. + (prologue_size, epilogue_size, jump_tables_size): Remove global + variables. + (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove. + (TARGET_ASM_FUNCTION_END_PROLOGUE): Define. + (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define. + (avr_override_options): Initialise init_machine_status. + (output_movhi): Handle all stack pointer loads. + (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address. + (avr_output_addr_vec_elt): Do not use variable jump_tables_size. + * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New. + (EPILOGUE_USES) Redefine. + (machine_function) Declare. + +2007-05-19 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment. + Use a single return statement. + +2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR middle-end/30250 + * builtins.c (do_mpfr_lgamma_r): New. + (fold_builtin_2): Handle builtin gamma_r/lgamma_r. + * tree.h (CASE_FLT_FN_REENT): New. + +2007-05-18 Geoffrey Keating <geoffk@apple.com> + + * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'. + (output_die): Use 'unsigned long' with %x. + * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and + HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT. + * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx. + + * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP. + +2007-05-18 H.J. Lu <hongjiu.lu@intel.com> + + PR target/31989 + PR target/31681 + PR target/31666 + * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to + true if function has no argument. + +2007-05-18 DJ Delorie <dj@redhat.com> + + * config/mips/mips.c (mips_offset_within_alignment_p): New. + (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols. + +2007-05-18 Uros Bizjak <ubizjak@gmail.com> + + * longlong.h (__x86_64__): Add definitions for add_ssaaaa, + sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and + count_trailing_zeros. + (__i386__): Implement count_leading_zeros using __builtin_clz(). + Implement count_trailing_zeros usign __builtin_ctz(). + +2007-05-18 Richard Sandiford <richard@codesourcery.com> + + * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine. + +2007-05-18 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/31344 + * expr.c (emit_move_change_mode): Change mode of push operands here. + +2007-05-17 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/31953 + * tree-vrp.c (set_value_range_to_value): Add equiv parameter. + Change all callers. + (set_value_range_to_null): Call set_value_range_to_value. + (extract_range_from_comparison): Likewise. + +2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.c (print_version): Output GMP/MPFR version info. + + * builtins.c (CASE_MATHFN_REENT): New macro. + (mathfn_built_in): Use it. + * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R, + BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R, + BUILT_IN_LGAMMAL_R): New. + * doc/extend.texi: Document new builtins. + + PR middle-end/31796 + * builtins.c (do_mpfr_remquo): New. + (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER. + (fold_builtin_3): Handle BUILT_IN_REMQUO. + + PR middle-end/30251 + * builtins.c (fold_builtin_1): Handle y0, y1. + (fold_builtin_2): Handle yn. + + PR middle-end/30251 + * builtins.c (do_mpfr_bessel_n): New. + (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1. + (fold_builtin_2): Handle BUILT_IN_JN. + +2007-05-17 Danny Smith <dannysmith@users.sourceforge.net> + + PR target/31965 + * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as + TYPE_PRECISION (intmax_type_node). + +2007-05-17 Steve Ellcey <sje@cup.hp.com> + + PR target/31850 + * reload.c (subst_reloads): Remove checking. + +2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/31691 + * combine.c (simplify_set): Build a new src pattern instead of + substituting its operands in the COMPARE case. + +2007-05-17 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-vrp.c (finalize_jump_threads): Do not care about dominance info. + (execute_vrp): Preserve loops through jump threading. + * tree-ssa-threadupdate.c (thread_single_edge, + dbds_continue_enumeration_p, determine_bb_domination_status, + thread_through_loop_header): New functions. + (create_edge_and_update_destination_phis, + create_edge_and_update_destination_phis): Set loops for the new blocks. + (prune_undesirable_thread_requests): Removed. + (redirect_edges): Do not pretend that redirect_edge_and_branch can + create new blocks. + (thread_block): Do not call prune_undesirable_thread_requests. + Update loops. + (mark_threaded_blocks): Select edges to thread here. + (thread_through_all_blocks): Take may_peel_loop_headers argument. + Thread edges through loop headers independently. + * cfgloopmanip.c (create_preheader, mfb_keep_just): Export. + * tree-pass.h (TODO_mark_first_instance): New. + (first_pass_instance): Declare. + * cfghooks.c (duplicate_block): Put the block to the original loop + if copy is not specified. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through + jump threading. Pass may_peel_loop_headers to + thread_through_all_blocks according to first_pass_instance. + * cfgloop.h (create_preheader): Declare. + * tree-flow.h (thread_through_all_blocks): Declaration changed. + * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare. + * passes.c (first_pass_instance): New variable. + (next_pass_1): Set TODO_mark_first_instance. + (execute_todo): Set first_pass_instance. + +2007-05-17 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/24659 + * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi, + OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi, + OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and + OTI_vec_pack_ufix_trunc. + (vec_unpacks_float_hi_optab): Define new macro. + (vec_unpacks_float_lo_optab): Ditto. + (vec_unpacku_float_hi_optab): Ditto. + (vec_unpacku_float_lo_optab): Ditto. + (vec_pack_sfix_trunc_optab): Ditto. + (vec_pack_ufix_trunc_optab): Ditto. + * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab + and vec_pack_[s|u]fix_trunc_optab using + vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns + * tree-vectorizer.c (supportable_widening_operation): Handle + FLOAT_EXPR and CONVERT_EXPR. Update comment. + (supportable_narrowing_operation): New function. + * tree-vectorizer.h (supportable_narrowing_operation): Prototype. + * tree-vect-transform.c (vectorizable_conversion): Handle + (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases. + (vect_gen_widened_results_half): Move before vectorizable_conversion. + (vectorizable_type_demotion): Call supportable_narrowing_operation() + to check for target support. + * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab + for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab + for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab + for VEC_PACK_FIX_TRUNC_EXPR. + (expand_binop): Special case mode of the result for + vec_pack_[u|s]fix_trunc_optab. + (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and + vec_pack_[u|s]fix_trunc_optab. + + * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR, + VEC_PACK_FIX_TRUNC_EXPR): New tree codes. + * tree-pretty-print.c (dump_generic_node): Handle + VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and + VEC_PACK_FIX_TRUNC_EXPR. + (op_prio): Ditto. + * expr.c (expand_expr_real_1): Ditto. + * tree-inline.c (estimate_num_insns_1): Ditto. + * tree-vect-generic.c (expand_vector_operations_1): Ditto. + + * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander. + (vec_unpacks_float_lo_v8hi): Ditto. + (vec_unpacku_float_hi_v8hi): Ditto. + (vec_unpacku_float_lo_v8hi): Ditto. + (vec_unpacks_float_hi_v4si): Ditto. + (vec_unpacks_float_lo_v4si): Ditto. + (vec_pack_sfix_trunc_v2df): Ditto. + + * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]: + Document. + [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto. + [VEC_PACK_FIX_TRUNC_EXPR]: Ditto. + * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document. + [vec_pack_ufix_trunc]: Ditto. + [vec_unpacks_float_hi]: Ditto. + [vec_unpacks_float_lo]: Ditto. + [vec_unpacku_float_hi]: Ditto. + [vec_unpacku_float_lo]: Ditto. + +2007-05-16 Uros Bizjak <ubizjak@gmail.com> + + * soft-fp/README: Update for new files. + * soft-fp/floattisf.c: New file. + * soft-fp/floattidf.c: New file. + * soft-fp/floattitf.c: New file. + * soft-fp/floatuntisf.c: New file. + * soft-fp/floatuntidf.c: New file. + * soft-fp/floatuntitf.c: New file. + * soft-fp/fixsfti.c: New file. + * soft-fp/fixdfti.c: New file. + * soft-fp/fixtfti.c: New file. + * soft-fp/fixunssfti.c: New file. + * soft-fp/fixunsdfti.c: New file. + * soft-fp/fixunstfti.c: New file. + * soft-fp/extendxftf.c: New file. + * soft-fp/trunctfxf.c: New file. + + * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section. + (__trunctfxf2): Ditto. + + * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2, + __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti, + __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf, + __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2, + __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2, + __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets. + + * config/i386/t-fprules-softfp64: New file. + * config/i386/sfp-machine.h: New file. + * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu, + x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64 + and soft-fp/t-softfp to tmake_file. + (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu, + i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all. + + * config/i386/t-linux64 (softfp_wrap_start): New. + (softfp_wrap_end): New. + * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is + supported for TARGET_64BIT. + +2007-05-16 Rafael Avila de Espindola <espindola@google.com> + + * c-common.c (c_common_signed_or_unsigned_type): Emulate + c_common_unsigned_type behavior. + +2007-05-16 Paolo Bonzini <bonzini@gnu.org> + + * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr + calls as pure. + +2007-05-16 Eric Christopher <echristo@apple.com> + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register + saving after stack push. Set sp_offset whenever we push. + (rs6000_emit_epilogue): Move altivec register restore before + stack push. + +2007-05-16 Richard Sandiford <richard@codesourcery.com> + + * configure.ac: Allow sysroots to be relocated under $prefix as + well as $exec_prefix. + * configure: Regenerate. + +2007-05-16 Richard Sandiford <richard@codesourcery.com> + + Revert: + + 2007-05-12 Richard Sandiford <richard@codesourcery.com> + + * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix). + (gcc_tooldir): Likewise. + * configure: Regenerate. + * Makefile.in (libsubdir_to_prefix): New variable, based on the + old configure.ac gcc_tooldir setting. + (prefix_to_exec_prefix): New variable. + (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix) + rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX. + +2007-05-14 Janis Johnson <janis187@us.ibm.com> + + * c-typeck.c (build_binary_op): Return early for error. + +2007-05-15 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate + struct nb_iter_bound. + (free_numbers_of_iterations_estimates_loop): Use ggc_free. + * gengtype.c (open_base_files): Add cfhloop.h to the list of includes. + * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated. + * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h. + (struct scev_info_str, scalar_evolution_info): Add GTY markers. + (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str. + (del_scev_info): Use ggc_free. + (scev_initialize): Allocate scalar_evolution_info in gc memory. + * loop-init.c: Include ggc.h. + (loop_optimizer_init): Use GGC_CNEW to allocate struct loops. + (loop_optimizer_finalize): Use ggc_free. + * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize, + pass_linear_transfom, pass_empty_loop, pass_complete_unroll, + pass_iv_optimize): Add TODO_ggc_collect. + * function.h (struct function): Remove skip marker from + x_current_loops. + * cfgloop.c: Include ggc.h. + (flow_loops_free, flow_loop_free): Free the loop descriptions in gc + memory. + (establish_preds): Vector superloops is gc allocated. + (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of + loop->exits list. + (flow_loops_find): Vector larray is gc allocated. + (loop_exit_free): Use ggc_free. + (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect + that head of exits list is now not a part of struct loop. + (record_loop_exits): Allocate exits table in gc memory. + (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect + that head of exits list is now not a part of struct loop. + * cfgloop.h (struct lpt_decision, struct nb_iter_bound, + struct loop_exit): Add GTY marker. + (struct loop): Add GTY marker. Make superloops vector gc allocated. + Add skip marker to aux field. Make head of exits list a separate + object. + (struct loops): Add GTY marker. Make larray vector gc allocated. + Add param marker to exits table. + (get_loops): Type changed. + * Makefile.in (tree-scalar-evolution.o): Add + gt-tree-scalar-evolution.h dependency. + (cfgloop.o, loop-init.o): Add ggc.h dependency. + (GTFILES): Add cfgloop.h and tree-scalar-evolution.c. + * basic-block.h (struct basic_block_def): Remove skip marker from + loop_father field. + +2007-05-14 Uros Bizjak <ubizjak@gmail.com> + + * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead + of 0 in the call to expand_expr(). + (expand_builtin_mathfn_3): Ditto. + (expand_builtin_interclass_mathfn): Ditto. + (expand_builtin_cexpi): Ditto. + (expand_builtin_int_roundingfn): Ditto. + (expand_builtin_int_roundingfn_2): Ditto. + (expand_builtin_pow): Ditto. + (expand_builtin_powi): Ditto. + (expand_builtin_bswap): Ditto. + (expand_builtin_unop): Ditto. + (expand_builtin_fabs): Ditto. + (get_builtin_sync_mem): Use NULL_RTX instead of NULL in + the call to expand_expr(). + (expand_builtin_sync_operation): Ditto. + (expand_builtin_compare_and_swap): Ditto. + (expand_builtin_lock_test_and_set): Ditto. + * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL + instead of 0 in the call to expand_expr(). + (expand_builtin_extract_return_addr): Ditto. + (expand_builtin_eh_return): Ditto. + (expand_eh_return): Ditto. + * explow.c (expr_size): Ditto. + * expr.c (optimize_bitfield_assignment_op): Ditto. + (expand_assignement): Ditto. + (store_expr): Ditto. + (store_field): Ditto. + (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in + the call to expand_expr(). + (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0 + in the call to expand_expr(). + [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR, + BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto. + [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead + of expand_expr(). + * optabs.c (expand_vec_shift_expr): Ditto. + (expand_vec_cond_expr): Ditto. + (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the + call to expand_expr(). + * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0 + in the call to expand_expr(). + +2007-05-14 Dave Korn <dave.korn@artimi.com> + + * genautomata.c (gen_regexp_el): Allocate correct size for regexp. + +2007-05-14 Rafael Avila de Espindola <espindola@google.com> + + * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for + instead of c_common_unsigned_type. + (c_common_unsigned_type): Remove. + (shorten_compare): Use c_common_signed_or_unsigned_type instead of + c_common_unsigned_type. + (c_common_nodes_and_builtins): Use unsigned_type_for instead of + c_common_unsigned_type. + * c-common.h (c_common_unsigned_type): Remove. + * c-decl.c (grokdeclarator): Use unsigned_type_for instead of + c_common_unsigned_type. + * c-format.c (check_format_types): Use unsigned_type_for instead of + c_common_unsigned_type. + * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove. + * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead + of c_common_unsigned_type. + * convert.c (convert_to_integer): Use unsigned_type_for instead of + lang_hooks.types.unsigned_type. + * expmed.c (make_tree): Use unsigned_type_for instead of + lang_hooks.types.unsigned_type. + * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of + lang_hooks.types.unsigned_type. + (build_range_check): Likewise. + (fold_unary): Likewise. + (fold_binary): Likewise. + (fold_ternary): Likewise. + * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove. + * langhooks.h (lang_hooks_for_types): Remove unsigned_type. + * tree.c (get_unsigned_type): New. + (unsigned_type_for): Use get_unsigned_type instead of + lang_hooks.types.unsigned_type. + +2007-05-14 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p + to m68k_get_function_kind. Update its prototype. + * config/m68k/m68k.c (m68k_attribute_table): Add an entry for + interrupt_thread. + (m68k_interrupt_function_p): Return enum m68k_function_type + instead of bool. Rename to m68k_get_function_kind. + (m68k_handle_fndecl_attribute): Reject interrupt_thread if the + target is not fido. + (m68k_compute_frame_layout): Don't mark any register for save + if an interrupt_thread attribute is specified. + (m68k_hard_regno_rename_ok): Update a use of + m68k_interrupt_function_p. + * config/m68k/m68k.h (EPILOGUE_USES): Update a use of + m68k_interrupt_function_p. + (m68k_function_type): New. + * config/m68k/m68k.md (*return): Output a 'sleep' instruction + for a function with an interrupt_thread attribute. + * doc/extend.texi: Document the interrupt_thread attribute. + +2007-05-13 Daniel Berlin <dberlin@dberlin.org> + + Fix PR tree-optimization/31911 + * tree-ssa-pre.c (phi_translate): Make sure to cache results even + if they didn't change the expression. + +2007-05-13 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-scalar-evolution.c (resolve_mixers): Exported. + * tree-scalar-evolution.h (resolve_mixers): Declare. + * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p, + ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p, + record_record_differ_p, record_array_differ_p, array_ptr_differ_p, + base_object_differ_p, base_addr_differ_p, analyze_array_indexes, + init_array_ref, init_pointer_ref, analyze_indirect_ref, + strip_conversion, analyze_offset_expr, address_analysis, + object_analysis, analyze_offset): Removed. + (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias, + split_constant_offset, canonicalize_base_object_address, + object_address_invariant_in_loop_p, disjoint_objects_p, + dr_may_alias_p, dr_address_invariant_p): New functions. + (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices + and dr_analyze_alias. + (initialize_data_dependence_relation): Use dr_may_alias_p + and object_address_invariant_in_loop_p. + (compute_self_dependence): Handle the case when + DDR_ARE_DEPENDENT (ddr) is chrec_dont_know. + (find_data_references_in_stmt): Restrict the analysis of data + references to the given loop nest. + (find_data_references_in_loop): Made static. Pass loop nest to + find_data_references_in_stmt. + (compute_data_dependences_for_loop): Use DR_VOPS. + (free_data_ref): Free DR_VOPS. + * tree-data-ref.h (struct first_location_in_loop): Replaced by ... + (struct innermost_loop_behavior): ... new. + (struct base_object_info): Replaced by ... + (struct indices): ... new. + (struct dr_alias): New. + (enum data_ref_type): Removed. + (struct data_reference): Consist of struct innermost_loop_behavior, + struct indices and struct dr_alias. + (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed. + (DR_MEMTAG): Renamed to ... + (DR_SYMBOL_TAG): ... this. + (find_data_references_in_loop): Declaration removed. + * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT + instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL. + (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG. + * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto. + +2007-05-13 Revital Eres <eres@il.ibm.com> + + * tree-ssa-dse.c (get_use_of_stmt_lhs): New function + which walks virtual def-use chains to find redundant stores. + (dse_optimize_stmt): Call it. + +2007-05-12 Steven Bosscher <steven@gcc.gnu.org> + + * gcse.c (gcse_main): Do jump bypassing in CPROP2. + * passes.c (init_optimization_passes): Move pass_jump_bypass + after loop2. + + * basic-block.h (bb_has_eh_pred): Fix style issue. + +2007-05-12 Steven Bosscher <steven@gcc.gnu.org> + + PR rtl-optimization/31848 + * loop-invariant.c (move_invariant_reg): If we move an insn + with a REG_EQUAL note, and that insn is not always executed, + remove the REG_EQUAL note. + +2007-05-12 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/31797 + * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not + propagate into a stmt that has volatile ops. + +2007-05-12 Richard Sandiford <richard@codesourcery.com> + + * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix). + (gcc_tooldir): Likewise. + * configure: Regenerate. + * Makefile.in (libsubdir_to_prefix): New variable, based on the + old configure.ac gcc_tooldir setting. + (prefix_to_exec_prefix): New variable. + (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix) + rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX. + +2007-05-11 Silvius Rus <rus@google.com> + + * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o. + * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic. + * c-common.h (strict_aliasing_warning): Change return type. + * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing. + * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning. + (build_c_cast): Condition call to strict_aliasing_warning. + * doc/invoke.texi: Update description of -Wstrict-aliasing[=n]. + * flags.h (set_Wstrict_aliasing): Declare. + * opts.c (set_Wstrict_alising): Define, add call to. + * tree-flow.h (strict_aliasing_warning_backend): Declare. + * tree-ssa-alias-warnings.c: New file. + * tree-ssa-alias.c (compute_may_aliases): Add call to + strict_aliasing_warning_backend. + +2007-05-11 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops): + Use loop_depth and loop_outer accessor functions. + * tree-ssa-loop-im.c (outermost_invariant_loop, set_level, + determine_invariantness_stmt, move_computations_stmt): Ditto. + * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path, + add_loop, loopify, unloop, fix_loop_structure): Ditto. + * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto. + * tree-scalar-evolution.c (interpret_loop_phi, + compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop, + instantiate_parameters_1, scev_const_prop): Ditto. + * cfghooks.c (make_forwarder_block): Ditto. + * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto. + * modulo-sched.c (loop_canon_p): Ditto. + * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg, + slpeel_can_duplicate_loop_p): Ditto. + * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto. + * tree-cfg.c (tree_duplicate_sese_region): Ditto. + * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit, + cancel_loop, verify_loop_structure): Ditto. + (flow_loop_nested_p, superloop_at_depth, flow_loop_free, + add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the + superloops vector instead of "pred" array. + (establish_preds): Take father loop as an argument. Initialize the + superloops vector. + (flow_loop_tree_node_add): Pass father loop to establish_preds. + Do not initialize loop->outer. + (flow_loop_tree_node_remove): Truncate the superloops vector. + * cfgloop.h (struct loop): Removed field "outer", fields "depth" and + "pred" merged to "superloops" vector. + (loop_depth, loop_outer): New. + (fel_init): Use loop_outer. + +2007-05-11 Jan Hubicka <jh@suse.cz> + + * cgraphunit.c: Include gt-cgraphunit.h + (static_ctors, static_dtors): New static vars. + (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions, + based on implementation in c-common.c + (cgraph_finalize_function): Call record_cdtor_fn. + (cgraph_optimize): Call cgraph_build_cdtor_fns. + * decl.c (finish_function): Do not call c_record_cdtor_fn. + (c_write_global_declarations): Do not call c_build_cdtor_fns. + * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn, + build_cdtor, c_build_cdtor_fns): Remove. + * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn, + c_build_cdtor_fns): Remove prototype. + +2007-05-11 Paolo Carlini <pcarlini@suse.de> + + PR other/31852 + * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE. + * builtins.def: Add BUILT_IN_MEMCHR, use the latter. + * builtins.c (fold_builtin_memchr): New. + (expand_builtin_memchr): Call the latter. + (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR. + * doc/extend.texi ([Other built-in functions provided by GCC]): + Document memchr. + +2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM, + PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF, + PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT, + PFPO_OP1_TYPE_SHIFT): Constants added. + (DFP_ALL): Mode macro defined. + ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2", + "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"): + Insn definitions added. + ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2", + "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"): + Expanders added. + +2007-05-10 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/31885 + * tree-chrec.c (chrec_contains_undetermined): Do not consider + NULL_TREE to be undetermined. + (automatically_generated_chrec_p): Return false for NULL. + +2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.h (MOVE_RATIO): Define. + +2007-05-10 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (sparc-wrs-vxworks): New target. + * config/sparc/vxworks.h, config/sparc/t-vxworks: New files. + * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare. + * config/sparc/sparc.h: Include vxworks-dummy.h. + (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to + include LABEL_REFs too. + * config/sparc/sparc.c (sparc_expand_move): Don't assume that + _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on + VxWorks. + (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs + on VxWorks. + (load_pic_register): Use gen_vxworks_load_got for VxWorks. + (sparc_emit_call_insn): New function. + (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding + functions when generating VxWorks PIC. + * config/sparc/sparc.md (vxworks_load_got): New pattern. + (call, call_value): Use sparc_emit_call_insn instead of + emit_call_insn. + +2007-05-09 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if. + +2007-05-09 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits + for floating-point values if HOST_BITS_PER_LONG > 32. Use + split_double instead of operand_subword. + +2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define. + * config/bfin/bfin.c (bfin_local_alignment): New function. + * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it. + +2007-05-08 Chao-ying Fu <fu@mips.com> + + * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document. + * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes. + (smsub_widen_optab, umsub_widen_optab): Define. + * optabs.c (init_optabs): Initialize smsub_widen_optab and + umsub_widen_optab. + * genopinit.c (optabs): Fill in smsub_widen_optab and + umsub_widen_optab. + * expr.c (expand_expr_real_1): Try to use smsub_widen_optab + and umsub_widen_optab to implement multiply-subtract sequences. + * config/mips/mips.md (*msac<u>_di): Rename to... + (<u>msubsidi4): ...this. Extend condition to include + GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint + of operand 0 to "ka" and use the three-operand form of msub<u> + for TARGET_DSPR2. + * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert + to define_expands. + +2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org> + + PR rtl-optimization/28011 + * reload.c (push_reload): Set dont_share if IN appears in OUT + also when IN is a PLUS rtx. + (reg_overlap_mentioned_for_reload_p): Return true if X and IN + are same PLUS rtx. + +2007-05-08 Kazu Hirata <kazu@codesourcery.com> + + * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't + call unshare_all_decls. + (unshare_all_rtl): Adjust the call to unshare_all_rtl_1. + (unshare_all_decls): Remove. + +2007-05-08 Simon Martin <simartin@users.sourceforge.net> + + PR 31847 + * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree + dumps. + +2007-05-08 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC. + Update comments and all uses. + (MIN_FPRS_PER_FMT): Define. + * config/mips/mips.c (function_arg): Fix to correctly handle + the -mips32r2 -mfp64 -mabi=32 case. + (override_options): Enable use of odd-numbered registers for + SFmode values on MIPS32. + (mips_save_reg_p): Save whole floating-point register pair if + either half is used. + (compute_frame_size): Fix comment. + +2007-05-08 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third + argument of type bool. + * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth + argument. Safely select temporary P register according to it. + (do_link): Change call site of add_to_reg accordingly. + (do_unlink): Add epilogue_p as a fourth argument and pass it + to add_to_reg. + (expand_interrupt_handler_epilogue): Change call of do_unlink + accordingly. + (bfin_expand_prologue): Add a third argument sibcall_p. + * config/bfin/bfin.md (epilogue): Change call of + bfin_expand_epilogue accordingly. + (sibcall_epilogue): Likewise. + (eh_return_internal): Likewise. + + * config/bfin/bfin-protos.h (enum bfin_cpu): Add + BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561. + * config/bfin/bfin.c (bfin_handle_option): Handle + -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561. + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): + Support bf534, bf536 and bf561. + * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim. + +2007-05-08 Uros Bizjak <ubizjak@gmail.com> + + PR target/31854 + * config/i386/i386.c (ix86_function_regparm): Process local + functions only when TREE_CODE (decl) equals FUNCTION_DECL. + +2007-05-07 Mike Stump <mrs@apple.com> + + * doc/invoke.texi (Warning Options): Document that -Wempty-body + also checks for and while statements in C++. + +2007-05-07 Nathan Froyd <froydnj@codesourcery.com> + + * gcc.c (at_file_supplied): New variable. + (main): Set it if we expanded argv. + (do_spec_1): Pass an @-file to the linker if we were called with + an @-file argument and HAVE_GNU_LD. + * collect2.c (at_file_supplied): New variable. + (response_file): New variable. + (collect_exit): Unlink response_file if necessary. + (handler): Likewise. + (do_wait): Likewise. + (main): Set at_file_supplied if we expanded argv. + (collect_execute): Pass an @-file to subprocesses if we were called + with an @-file argument. + * configure.ac: Add define for HAVE_GNU_LD. + * configure: Regenerate. + * config.in: Regenerate. + +2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com> + + * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd + operand to HI mode. + (mulsi3): New. + (divsi3): New. + (udivsi3): New. + +2007-05-07 Jayant Sonar <jayants@kpitcummins.com> + + * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define. + (TARGET_ENCODE_SECTION_INFO): Re-define. + (m32c_encode_section_info): New + (function_vector_handler): New + (current_function_special_page_vector): New + (m32c_special_page_vector_p): New. + * config/m32c/m32c-protos.h (m32c_special_page_vector_p): + Prototype. + * config/m32c/jump.md: Added instruction JSRS for functions + with attribute "function_vector". + * doc/extend.texi (function_vector): Added description + for M16C, M32C targets. + +2007-05-07 DJ Delorie <dj@redhat.com> + + PR 31794 + * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3, + ashrpsi3, lshrpsi3): Update shift count constraint. + +2007-05-07 Danny Smith <dannysmith@users.sourceforge.net> + Nathan Froyd <froydnj@codesourcery.com> + + PR 22133 + * c-incpath.c (add_path): Strip trailing path separators. + +2007-05-07 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered. + Free dominance info before purging EH edges. + (eliminate_degenerate_phis): Likewise. + (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1. + +2007-05-07 Jan Hubicka <jh@suse.cz> + + * gimplify.c (gimplify_expr): Do not crash when folding + (void *)(int)&a + 4. + +2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR driver/31694 + * c-opts.c (lang_fortran): Make it non static. + * c-common.h (lang_fortran): New prototype. + * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the + -lang-fortran option was passed by the driver. + +2007-05-06 Eric Botcazou <ebotcazou@adacore.com> + + * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead + of ASSERT_CHECKING. Tweak message. + +2007-05-06 Revital Eres <eres@il.ibm.com> + + PR 30957 + * loop-unroll.c (insert_var_expansion_initialization): + Initialize the expansions with -zero instead of +zero. + +2007-05-05 Aurelien Jarno <aurelien@aurel32.net> + + * config/pa/pa.md: Split tgd_load, tld_load and tie_load + into pic and non-pic versions. Mark r19 as used for + tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used + for tgd_load, tld_load and tie_load . + * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic + version of tgd_load, tld_load and tie_load depending on the + value of flag_pic. + +2007-05-04 Ulrich Drepper <drepper@redhat.com> + Jakub Jelinek <jakub@redhat.com> + + * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro. + (__do_global_dtors_aux): Use more paranoid loop to run + destructors if HIDDEN_DTOR_LIST_END. + (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END. + +2007-05-04 Jakub Jelinek <jakub@redhat.com> + + * varasm.c (align_variable): Don't increase alignment for + DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through + DATA_ALIGNMENT or CONSTANT_ALIGNMENT. + +2007-05-04 Josh Conner <jconner@apple.com> + + * basic-block.h (cdi_direction): Assign values to all enumeration + constants. + (dom_computed): Remove. + (dom_info_state): New. + (set_dom_info_availability): New. + * tree-ssa-loop-im.c (determine_invariantness): Initialize + walk_data.dom_direction. + * cfghooks.c (delete_basic_block): Use dom_info_available_p() + instead of dom_computed[]. + (split_edge): Likewise. + (create_basic_block): Likewise. + (merge_blocks): Likewise. + * ifcvt.c (find_if_header): Likewise. + * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise. + * tree-ssa-dce.c (remove_dead_stmt): Likewise. + * tree-ssa.c (verify_ssa): Likewise. + * tree-cfg.c (tree_verify_flow_info): Likewise. + (remove_edge_and_dominated_blocks): Likewise. + * dominance.c (dom_computed): Make static. + (calc_dfs_tree_nonrec): Change third param to a bool. + (calc_dfs_tree): Change second param to a bool. + (calc_idioms): Change second param to a bool. Use + dom_convert_dir_to_idx. + (init_dom_info): Validate dir before using. + (dom_convert_dir_to_idx): New. + (calculate_dominance_info): Use dom_convert_dir_to_idx. New + variable 'reverse' used for calling calc_dfs_tree and calc_idoms. + (free_dominance_info): Use dom_convert_dir_to_idx. + (get_immediate_dominator): Likewise. + (set_immediate_dominator): Likewise. + (get_dominated_by): Likewise. + (redirect_immediate_dominators): Likewise. + (nearest_common_denominator): Likewise. + (dominated_by_p): Likewise. + (bb_dom_dfs_in): Likewise. + (bb_dom_dfs_out): Likewise. + (recount_dominator): Likewise. + (iterate_fix_dominators): Likewise. + (add_to_dominance_info): Likewise. + (delete_from_dominance_info): Likewise. + (first_dom_son): Likewise. + (next_dom_son): Likewise. + (dom_info_available_p): Likewise. + (dom_info_state): New. + (set_dom_info_availability): New. + +2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"): + Expander removed. + ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added. + +2007-05-04 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete. + (subdi3, subdi_carry): Delete. + +2007-05-04 Jan Hubicka <jh@suse.cz> + Richard Guenther <rguenther@suse.de> + + * opts.c (decode_options): Do not fiddle with inlining + parameters in case of optimizing for size. + * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing + for size do nothing. + (cgraph_decide_inlining_of_small_function): When optimizing for + size never inline functions increasing caller size. + (cgraph_early_inlining): Inline for size when optimizing for size. + +2007-05-04 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands + logical operations piecewise. + (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2, + zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi, + subdi_sesidi_di): Delete. + (add_with_carry): Produce carry in CC instead of a DREG to shorten + the generated sequence. Allow three-reg add in constraints. Rewrite + the rtl expression for carry to avoid zero_extend of a constant. + (sub_with_carry): New pattern. + (adddi3, subdi3): Change into define_expand. For subtract, generate a + different sequence not involving jumps. + (notbi): Now a named pattern. + +2007-05-04 Bradley Lucier <lucier@math.purdue.edu> + + * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]: + Add the note about a significant loss of accuracy of some + mathematical routines when these options are used. + +2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru> + + * haifa-sched.c (rtx_vec_t): New typedef. + (contributes_to_priority_p): Extract piece of priority () into new + static function. + (priority): Use the function. Add assertion. + (rank_for_schedule, set_priorities): Add assertion to check that + insn's priority is initialized. + (clear_priorities, calc_priorities): Change signature. Make it update + all relevant insns. Update all callers ('add_to_speculative_block ()' + and 'create_block_check_twin ()'). + * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'. + Add new field 'priority_status'. + (INSN_PRIORITY_STATUS): New macro. + (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS. + +2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru> + + * sched-ebb.c (debug_ebb_dependencies): New static function. + (init_ready_list): Use it. + + * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()' + with changed signature and 'debug_rgn_dependencies ()'. + (debug_rgn_dependencies): New static function. + (init_ready_list): Use it. + + * sched-int.h (debug_dependencies): Declare. + +2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com> + + * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section. + +2007-05-04 Dirk Mueller <dmueller@suse.de> + + * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++. + +2007-05-03 Jan Hubicka <jh@suse.cz> + + * fold-const.c (fold_unary): Convert (T1)(X op Y) into + ((T1)X op (T1)Y), for pointer type in more cases than before. + + * gimplify.c (gimplify_expr): Fold (void *)&a + 4. + + * tree-object-size.c (plus_expr_object_size): When operand size is + unknown, return unknown. + +2007-05-03 Dirk Mueller <dmueller@suse.de> + + * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove. + + * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated + options. + + * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove. + +2007-05-03 Janis Johnson <janis187@us.ibm.com> + + * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors. + +2007-05-03 Joseph Myers <joseph@codesourcery.com> + + * config/soft-fp/double.h, config/soft-fp/extended.h, + config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c, + config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c, + config/soft-fp/op-2.h, config/soft-fp/op-4.h, + config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from + glibc CVS. + +2007-05-03 Ian Lance Taylor <iant@google.com> + + * config/rs6000/rs6000.c (rs6000_override_options): Don't set + MASK_PPC_GFXOPT for 8540 or 8548. + +2007-05-03 Uros Bizjak <ubizjak@gmail.com> + + * tree-vect-transform.c (vect_update_inits_of_drs): Use + vect_print_dump_info() to output debug information. + +2007-05-03 Uros Bizjak <ubizjak@gmail.com> + + PR target/31768 + * config/i386/i386.c (print_operand) ['z']: Output 'w' for + operands of size 2 when operand is not MEM_P. + +2007-05-03 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/30565 + * lambda-code.c (perfect_nestify): Fix updating of dominators. + +2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns. + (umulsi3_highpart): Use them. + * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move + for final accumulator to D regisster tranfser. + +2007-05-03 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/31699 + * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove + wrong code. + (vect_enhance_data_refs_alignment): Compute peel amount using + TYPE_VECTOR_SUBPARTS instead of vf. + * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise. + +2007-05-02 Brooks Moses <brooks.moses@codesourcery.com> + + PR bootstrap/31776 + * system.h: Remove inclusion of double-int.h + * tree.h: Include double-int.h + * gengtype.c: Likewise + * cfgloop.h: Likewise + * Makefile.in: Adjust dependencies on double-int.h + +2007-05-02 Eric Christopher <echristo@apple.com> + + * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate + -shared to -Zdynamiclib. + +2007-05-02 Seongbae Park <seongbae.park@gmail.com> + + PR c++/31663 + * c-common.c (strip_pointer_or_array_types): New function. + * c-common.h (strip_pointer_or_array_types): New function declaration. + +2007-05-03 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/31771 + * tree-cfg.c (move_block_to_fn): Assign bb to the correct index. + +2007-05-02 Paul Brook <paul@codesourcery.com> + + * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow. + +2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/29715 + * fold-const.c (fold_comparision): Remove the "foo++ == CONST" + transformation. + +2007-05-02 Nick Clifton <nickc@redhat.com> + + * config/frv/predicates.md (symbolic_operand): Accept CONSTs. + +2007-05-02 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/31146 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New + argument, single_use_p. If we have a single use that is + a conversion to the definition rhs type, propagate that rhs. + (forward_propagate_addr_expr): Pass single_use_p argument + to forward_propagate_addr_expr_1. + +2007-05-01 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_expand_sse_comi): Remove unused + variable. + +2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of + 'AMD Family 10 core'. + +2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3 + and athlon64-sse3 as improved versions of k8, opteron and athlon64 + with SSE3 instruction set support. + * doc/invoke.texi: Likewise. + +2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * config/i386/i386.c (override_options): Tuning 32-byte loop + alignment for amdfam10 architecture. Increasing the max loop + alignment to 24 bytes. + +2007-05-01 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/constraints.md: New. + * config/m68k/m68k.h (REG_CLASS_FROM_LETTER, + CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, + EXTRA_CONSTRAINT): Remove. + * config/m68k/m68k.md: Include constraints.md. + * expr.c (expand_expr_real_1): Copy DECL_RTL before using it. + +2007-05-01 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/31739 + * tree-vrp.c (vrp_val_is_max): New static function. + (vrp_val_is_min): New static function. + (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than + copying the node. + (set_value_range): Use vrp_val_is_{max,min}. + (extract_range_from_assert): Likewise. + (extract_range_from_binary_expr): Likewise. + (extract_range_from_unary_expr): Likewise. + (dump_value_range, vrp_meet): Likewise. + (vrp_visit_phi_node): Likewise. + * tree.c (build_distinct_type_copy): Revert change of 2007-04-27. + +2007-05-01 Mark Mitchell <mark@codesourcery.com> + + * config/i386/gmon-sol2.c (size_t): New type. + (intptr_t): Likewise. + (s_textsize): Declare as size_t. + (sbrk): Declare. + (monstartup): Use size_t for sizes. + (_mcount): Save and restore registers. + (internal_mcount): Pass 0 as the first argument to monstartup + in 64-bit mode. + (moncontrol): Convert pointer to appropriately sized integer + before passing to profil. + +2007-05-01 Joseph Myers <joseph@codesourcery.com> + + * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if + __NO_FPRS__, not just if _SOFT_DOUBLE. + * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise. + * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord + also for E500 double. + * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt, + suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT + && !TARGET_FPRS). + +2007-05-01 Richard Guenther <rguenther@suse.de> + + * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt + is NULL. + +2007-05-01 Joseph Myers <joseph@codesourcery.com> + + * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo. + +2007-05-01 Jan Hubicka <jh@suse.cz> + + * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is + invariant. + +2007-05-01 Jan Hubicka <jh@suse.cz> + + * tree.h (maybe_fold_offset_to_component_ref): Remove. + (maybe_fold_offset_to_reference): Declare. + * fold-const.c (fold_unary): Do not fold + (type *)&A into &A->field_of_type_and_offset_0 + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type + size is unknown, give up. + (maybe_fold_offset_to_component_ref): Ignore firelds with unknown + offsets. + (maybe_fold_offset_to_reference): New. + (maybe_fold_stmt_indirect): Use it. + (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset. + * gimplify.c (gimplify_conversion): Canonicalize conversions to + field references. + (gimplify_expr): Likewise for plus_expr. + +2007-05-01 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use + bsi_after_labels. Always insert statements before bsi. + * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto. + * predict.c (apply_return_prediction): Check for empty blocks. + * cfgexpand.c (lab_rtx_for_bb): New variable. + (label_rtx_for_bb): Do not create new tree labels. + (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb. + (tree_expand_cfg): Initialize lab_rtx_for_bb. + * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after + creating edges. + (label_for_bb): Add field used. + (update_eh_label, main_block_label): Mark the label used. + (cleanup_dead_labels): Remove unused labels. + +2007-05-01 Richard Guenther <rguenther@suse.de> + + * tree-vrp.c (set_value_range): Do not allocate equiv bitmap + if it is not about to be set. + (get_value_range): Do not pre-allocate equiv bitmap. + (update_value_range): No need to clear equiv field. + (add_equivalence): Change prototype to get bitmap pointer. + Allocate bitmap here if it is not already. + (extract_range_from_assert): Do not allocate bitmap here. + Update callers to add_equivalence. + (extract_range_from_ssa_name): Likewise. + (get_vr_for_comparison): New static helper. + (compare_name_with_value): Handle NULL equiv bitmap by + peeling the first iteration of the comparison loop. + Use get_vr_for_comparison. + (compare_names): Handle NULL equiv bitmaps by using fake + ones. Use get_vr_for_comparison. + +2007-04-30 Brooks Moses <brooks.moses@codesourcery.com> + + * double-int.c (mpz_set_double_int): Moved from + tree-ssa-loop-niter.c. + (mpz_get_double_int): Likewise; also, add option to wrap + out-of-range integers. + * double-int.h: New prototypes for above. + * tree.c (get_static_type_bounds): Moved from + tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and + TYPE_MAX_VALUE if they exist.. + * tree.h: New prototype for above. + * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and + get_type_bounds calls. + (mpz_set_double_int): Move to double-int.c. + (get_type_bounds): Move to tree.c, rename to + get_static_type_bounds. + (mpz_to_double_int): Move to double-int.c, rename to + mpz_get_double_int. + +2007-04-30 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that + DIV0 exception can fall through to a normal return. + +2007-04-30 Alexandre Oliva <aoliva@redhat.com> + + PR middle-end/22156 + Temporarily revert: + 2007-04-06 Andreas Tobler <a.tobler@schweiz.org> + * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift. + 2007-04-05 Alexandre Oliva <aoliva@redhat.com> + * tree-sra.c (try_instantiate_multiple_fields): Needlessly + initialize align to silence bogus warning. + 2007-04-05 Alexandre Oliva <aoliva@redhat.com> + * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove + all_no_warning. + (struct sra_walk_fns): Remove use_all parameter from use. + (sra_hash_tree): Handle BIT_FIELD_REFs. + (sra_elt_hash): Don't hash bitfld blocks. + (sra_elt_eq): Skip them in parent compares as well. Handle + BIT_FIELD_REFs. + (sra_walk_expr): Don't maintain or pass down use_all_p. + (scan_use): Remove use_all parameter. + (scalarize_use): Likewise. Re-expand assignment to + BIT_FIELD_REF of gimple_reg. De-scalarize before input or + output, and re-scalarize after output. Don't mark anything + for no warning. + (scalarize_ldst): Adjust. + (scalarize_walk_gimple_modify_statement): Likewise. + (build_element_name_1): Handle BIT_FIELD_REFs. + (instantiate_element): Don't warn for any element whose parent + is used as a whole. + (instantiate_missing_elements_1): Return the sra_elt. + (canon_type_for_field): New. + (try_instantiate_multiple_fields): New. + (instantiate_missing_elemnts): Use them. + (mark_no_warning): Removed. + (generate_one_element_ref): Handle BIT_FIELD_REFs. + (REPLDUP, sra_build_elt_assignment): New. + (generate_copy_inout): Use them. + (generate_element_copy): Likewise. Handle bitfld differences. + (generate_element_zero): Don't recurse for blocks. Use + sra_build_elt_assignment. + (generate_one_element_int): Take elt instead of var. Use + sra_build_elt_assignment. + (generate_element_init_1): Adjust. + (scalarize_use, scalarize_copy): Use REPLDUP. + (scalarize_ldst): Move assert before dereference. + (dump_sra_elt_name): Handle BIT_FIELD_REFs. + +2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR C++/31721 + * tree.c (reconstruct_complex_type): Reconstruct a reference + correctly. + Also use the same mode for the pointer as the old pointer type. + +2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr> + + * doc/trouble.texi (Interoperation): Remove note about Ultrix + Fortran compiler. + +2007-04-29 Zdenek Dvorak <dvorakz@suse.cz> + + PR rtl-optimization/31676 + * df-scan.c (record_nonlocal_goto_receiver_defs): New function. + (df_refs_record): Call it. + +2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com> + + * rtl.def (SS_ABS): New code. + * config/bfin/bfin.c (print_operand): New modifier 'v'. + (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32, + BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32, + BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32. + (bfin_init_builtins): Define them. + (bdesc_1arg, bdesc_2arg): Add some of them here, ... + (bfin_expand_builtin): ... and handle the others here. + * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3, + flag_mul_macv2hi_parts_acconly_andcc0): New patterns. + (ss_absv2hi2): Renamed from absv2hi; use ss_abs code. + (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count + operand is only HImode. + +2007-04-29 Steven Bosscher <steven@gcc.gnu.org> + + * regclass.c (scan_one_insn): Remove splitting of + two address insns. + +2007-04-28 Sandra Loosemore <sandra@codesourcery.com> + Nigel Stephens <nigel@mips.com> + + * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16. + +2007-04-28 Jan Hubicka <jh@suse.cz> + + * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use + insn_locators_alloc instead of insn_locators_initialize; + call reset_block_changes. + * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise. + * config/sh/sh.c (sparc_output_mi_thunk): Likewise. + * config/is64/ia64.c (ia64_output_mi_thunk): Likewise. + * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise. + * config/score/score.c (th_output_mi_thunk): Likewise. + * config/mips/mips.c (mips_output_mi_thunk): Likewise. + * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block): + tolerate uninitialized locator info. + + Re-apply: + * function.c (init_function_start): Don't init line number info. + (expand_function_end): Update. + (reset_block_changes, record_block_change, finalize_block_changes, + check_block_change, free_block_changes): Kill. + * function.h (reset_block_changes, record_block_change, + finalize_block_changes, check_block_change, free_block_changes): + Remove prototypes. + (struct function): Remove ib_boundaries_block. + * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw): + Use curr_insn_locator to initialize locator. + (emit_line_note): Remove. + * cfgexpand.c (expand_gimple_cond_expr): Update. + (construct_exit_block): Likewise. + (tree_expand_cfg): Initialize/finalize locators. + * expr.c (expand_expr_real): Update. + * cfglayout.c (line_locators_locs, line_locators_lines, + file_locators_locs, file_locators_files): Remove. + (set_block_levels): Move to cfgexpand.c. + (insn_locators_initialize): Remove. + (pass_insn_locators_initialize): Remove. + (locations_locators_locs, locations_locators_vals): New static vars. + (curr_location, last_location, curr_block, last_block, curr_rtl_loc): + Likewise. + (insn_locators_alloc, insn_locators_finalize, + set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): + New functions. + (locator_location): New. + (locator_line, locator_file): Rewrite. + * rtl.h (emit_line_note): Kill. + (insn_locators_alloc, insn_locators_finalize, + set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): + Declare. + * tree-inline.c (initialize_cfun): Do not initialize + ib_boundaries_block. + * passes.c (pass_insn_locators_initialize): Remove. + +2007-04-28 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-cfg.c (move_block_to_fn): Release bb from dominance + info. Update last_basic_block correctly. + +2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/31701 + * config/sh/sh.c (output_stack_adjust): Avoid using the frame + register itself to hold the offset constant. Tell flow the use + of r4 and r5 when they are used. + +2007-04-27 Richard Guenther <rguenther@suse.de> + + * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track + if we simplified anything. + (tree_ssa_forward_propagate_single_use_vars): Defer overflow + warnings until we did a simplification and the stmt was not + marked as TREE_NO_WARNING. + +2007-04-27 Mike Stump <mrs@apple.com> + + * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove. + +2007-04-27 Ian Lance Taylor <iant@google.com> + + PR middle-end/31710 + * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or + TYPE_MAX_VALUE exist, convert them to the new type. + +2007-04-27 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info + if it claims to be available. + * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when + edge is redirected. + (perform_tree_ssa_dce): Always free postdominators. + +2007-04-27 Richard Henderson <rth@redhat.com> + + * config/alpha/predicates.md (aligned_memory_operand): Mark + as define_special_predicate. + (unaligned_memory_operand, normal_memory_operand): Likewise. + (reg_or_unaligned_mem_operand): Remove. + (any_memory_operand): Match the documentation and check for + non-renumbered pseudos during reload. + * config/alpha/alpha.c (alpha_secondary_reload): Rename from + alpha_secondary_reload_class, update to new interface, make static. + Handle CQImode like HImode. Remove FP subreg check. + (alpha_expand_mov): Use replace_equiv_address. + (alpha_expand_mov_nobwx): Use any_memory_operand. + (TARGET_SECONDARY_RELOAD): New. + * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove. + (SECONDARY_OUTPUT_RELOAD_CLASS): Remove. + * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ... + * config/alpha/alpha.md: ... here. + (RELOAD12, reloadmode): New. + (movcqi): New. + (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi. + Don't handle the aligned case here. + (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi. + (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help, + reload_inhi_help. Don't expect a scratch register. + (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help, + reload_outhi_help. + * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove. + +2007-04-27 Richard Guenther <rguenther@suse.de> + + * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo. + +2007-04-27 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/30965 + PR tree-optimization/30978 + * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H). + * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove. + (find_equivalent_equality_comparison): Likewise. + (simplify_cond): Likewise. + (get_prop_source_stmt): New helper. + (get_prop_dest_stmt): Likewise. + (can_propagate_from): Likewise. + (remove_prop_source_from_use): Likewise. + (combine_cond_expr_cond): Likewise. + (forward_propagate_comparison): New function. + (forward_propagate_into_cond): Rewrite to use fold for + tree combining. + (tree_ssa_forward_propagate_single_use_vars): Call + forward_propagate_comparison to propagate comparisons. + +2007-04-27 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/31715 + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make + sure to do computation on the offset in an appropriate + signed type. + +2007-04-27 Richard Sandiford <richard@codesourcery.com> + + * reload.h (elimination_target_reg_p): Declare. + * reload.c (find_reloads): Don't apply the reg_rtx move + optimization if the SET_DEST satisfies elimination_target_reg_p. + * reload1.c (elimination_target_reg_p): New function. + (gen_reload): In the move/add2 fallback, make sure that op0 + does not overlap the destination register. + +2007-04-27 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to + transform only GIMPLE_MODIFY_STMTs. + * tree-complex.c (expand_complex_operations_1): Ditto. + (expand_complex_div_wide): Do not create gotos in COND_EXPR branches. + * tree-ssa-loop-manip.c (build_if_stmt): Removed. + (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR + branches. + * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2, + tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto. + * omp-low.c (expand_parallel_call, expand_omp_for_generic, + expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto. + * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes, + slpeel_add_loop_guard): Ditto. + * tree-mudflap.c (mf_build_check_statement_for): Ditto. + * lambda-code.c (perfect_nestify): Ditto. + * tree-iterator.c (tsi_split_statement_list_before): Fix splitting + before the first statement. + * tree-optimize.c (execute_free_datastructures): Fix comments. + (execute_free_cfg_annotations): Do not call disband_implicit_edges. + * tree-flow.h (disband_implicit_edges): Declaration removed. + * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR + branches. + (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle + COND_EXPRs without gotos. + (disband_implicit_edges, has_label_p): Removed. + (tree_verify_flow_info): Verify that COND_EXPR branches are empty. + (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR + branches. + * tree.c (build3_stat): Mark COND_EXPRs used as statements as having + side effects. + * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges + also for COND_EXPRs. + * cfgexpand.c (label_rtx_for_bb): New function. + (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches. + Use label_rtx_for_bb to find the labels. + (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the + last block. Detect fallthru edges. + +2007-04-26 Ian Lance Taylor <iant@google.com> + + PR target/28675 + * reload.c (find_reloads_subreg_address): If the address was valid + in the original mode but not in the new mode, reload the whole + address. + +2007-04-27 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable. + (remove_fallthru_edge): Use remove_edge_and_dominated_blocks. + (cleanup_control_expr_graph): Do not invalidate dominance info. + Record altered blocks. + (cleanup_control_flow, cleanup_forwarder_blocks): Removed. + (cleanup_control_flow_bb, split_bbs_on_noreturn_calls, + cleanup_tree_cfg_bb): New functions. + (remove_forwarder_block): Do not maintain the worklist of blocks. + Record altered blocks. + (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs, + not over whole cfg. + (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call + delete_unreachable_blocks if dominators are not available. + * tree-inline.c (optimize_inline_calls): Free dominance information + earlier. + * tree-flow.h (remove_edge_and_dominated_blocks, + cfgcleanup_altered_bbs): Altered. + * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered + blocks. + (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New + functions. + (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks, + do not invalidate dominators. + +2007-04-26 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and + ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). + +2007-04-26 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.md (ip_value): Fix itanium_class attribute. + +2007-04-26 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/31703 + * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use + the right type for the target of the bittest. + +2007-04-26 Richard Sandiford <richard@codesourcery.com> + + * config/i386/vx-common.h (RETURN_IN_MEMORY): Use + ix86_sol10_return_in_memory. + +2007-04-26 Richard Sandiford <richard@codesourcery.com> + + * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused + variables. + +2007-04-26 Jakub Jelinek <jakub@redhat.com> + + PR c++/31598 + * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE. + + PR tree-optimization/30558 + * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW + clear this_state.prev_try. + +2007-04-26 Richard Sandiford <richard@codesourcery.com> + Mark Mitchell <mark@codesourcery.com> + + * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare. + * config/i386/i386.c (ix86_sol10_return_in_memory): New function. + * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it. + +2007-04-26 Richard Sandiford <richard@codesourcery.com> + + PR driver/31107 + * doc/invoke.texi (%:print-asm-header): Document. + * gcc.c (asm_options): Use %:print-asm-header() for --target-help + and -ftarget-help. + (static_spec_functions): Add print-asm-header. + (main): Print a banner before the --target-help linker options. + (print_asm_header_spec_function): New function. + +2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/31403 + * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A. + (movsf_ie): Likewise. + +2007-04-25 Paolo Carlini <pcarlini@suse.de> + + * doc/extend.texi ([Type Traits]): Adjust per N2255. + +2007-04-25 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an + exception for divide-by-zero. + (__umodsi3, __modsi3): Likewise. + +2007-04-25 Dirk Mueller <dmueller@suse.de> + + * c-typeck.c (build_compound_expr): Annotate warning() + call with OPT_Wunused_value. + * tree-ssa.c (warn_uninit): Annotate warning with + OPT_Wunintialized. + * c-common.c (handle_sentinel_attribute): Annotate warning + call with OPT_Wattributes. + +2007-04-25 Thiemo Seufer <ths@mips.com> + + * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options. + (mips16): Fix typo. + * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx + on to the assembler. Improve handling of -mno-mips16. Add handling + of -mno-mips3d, -mno-dsp, -mno-dspr2. + * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use + of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx, + -mno-mdmx, -mno-mips3d, -mmt and -mno-mt. + +2007-04-25 Danny Smith <dannysmith.users.sourceforge.net> + + PR target/31680 + * config/i386/winnt.c (i386_pe_file_end): Strip only + USER_LABEL_PREFIX when writing export name. + +2007-04-25 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include + sh/elf.h, vx-common.h and vxworks.h. + * config/sh/sh.h: Include config/vxworks-dummy.h. + (SUBTARGET_OVERRIDE_OPTIONS): Define. + (OVERRIDE_OPTIONS): Use it. + * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs. + (vxworks_picreg): New pattern. + * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use + VXWORKS_OS_CPP_BUILTINS. + (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine + to their VXWORKS_* equivalents. + (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define. + (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define. + * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC. + (set_fpscr, ic_invalidate): Add VxWorks PIC sequences. + * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and + -mrtp/-fPIC multilibs. + (MULTILIB_EXCEPTIONS): Generalize globs accordingly. + (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define. + (MULTILIB_OSDIRNAMES): Delete. + +2007-04-25 Anatoly Sokolov <aesok@post.ru> + + PR target/18989 + * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine. + +2007-04-24 Brooks Moses <brooks.moses@codesourcery.com> + + * real.c (mpfr_from_real): Handle Inf and NaN, and allow the + rounding mode to be specified by the caller. + (real_to_mpfr) Likewise. + * real.h: Update mpfr_from_real, mpfr_to_real prototypes to + include new arguments. + * builtins.c: Update mpfr_from_real, mpfr_to_real calls. + +2007-04-24 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/31605 + * tree-vrp.c (set_value_range): Check that min and max are not + both overflow infinities. + (set_value_range_to_value): New static function. + (extract_range_from_binary_expr): Call set_value_range_to_value. + (extract_range_from_cond_expr): Likewise. + (extract_range_from_expr): Likewise. + (extract_range_from_unary_expr): Likewise. Don't create a range + which overflows on both sides. + (vrp_meet): Check for a useless range. + (vrp_visit_phi_node): If we see a constant which looks like an + overflow infinity, turn off the TREE_OVERFLOW flag. + +2007-04-24 Ian Lance Taylor <iant@google.com> + + * flow.c (elim_reg_cond): Handle a comparison of a subreg. + +2007-04-24 Simon Martin <simartin@users.sourceforge.net> + + PR diagnostic/25923 + * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a + diagnostic message is being built. + * tree-pretty-print.c (dump_generic_node): Only write the + formatted text into BUFFER's stream if we are not building a + diagnostic message. + * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to + dump_generic_node. + * Makefile.in (toplev.o): Depend on tree-pass.h. + +2007-04-24 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/31602 + * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for + conditionals in the copied loop header. + * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow + warnings if TREE_NO_WARNING is set. + * doc/invoke.texi (Warning Options): Clarify that + -Wstrict-overflow does not warn about loops. + +2007-04-24 Janis Johnson <janis187@us.ibm.com> + + * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI, + expand on the comment about _Decimal128 arguments and check the + integer result of the modulus operation; for 64-bit ELF ABI, ensure + that _Decimal128 argument uses even/odd register pair. + (function_arg): Ditto. + +2007-04-24 Hui-May Chang <hm.chang@apple.com> + + * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER + instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction. + +2007-04-24 Richard Guenther <rguenther@suse.de> + Olga Golovanevsky <olga@il.ibm.com> + + * fold-const.c (multiple_of_p): Check for bottom + to be zero. + +2007-04-24 Richard Henderson <rth@redhat.com> + + * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from + IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE. + * libgcc2.c (__floatdisf): Avoid double-word arithmetic when + looking for non-zero bits shifted out. Avoid a recursive call + when constructing the scalar. + (__floatundisf): Likewise. + +2007-04-24 Nathan Froyd <froydnj@codesourcery.com> + + * dwarf2out.c (field_byte_offset): Move the existing logic + under the control of PCC_BITFIELD_TYPE_MATTERS and just use + the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS. + +2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com> + + PR target/31641 + * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant + length argument of 0 for memset. + (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use + unsigned shift instead of the signed variant. + +2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm", + "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm", + "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm", + "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", + "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm", + "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee", + "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm", + "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm", + "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed. + ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2", + "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3", + "mul<mode>3", "div<mode>3"): Insn definitions added. + ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2", + "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed + to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp. + ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2", + "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3", + "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed. + ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added. + * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT, + TARGET_FLOAT_FORMAT): Macro definitions removed. + (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore. + * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost, + z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der. + (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches. + (s390_gen_rtx_const_DI): Function removed. + * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed. + +2007-04-24 Richard Sandiford <richard@codesourcery.com> + + * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions + over an external ffs function. + +2007-04-24 Chao-ying Fu <fu@mips.com> + Richard Sandiford <richard@nildram.co.uk> + + * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document. + * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes. + (smadd_widen_optab, umadd_widen_optab): Define. + * optabs.c (init_optabs): Initialize smadd_widen_optab and + umadd_widen_optab. + * genopinit.c (optabs): Fill in smadd_widen_optab and + umadd_widen_optab. + * expr.c (expand_expr_real_1): Try to use smadd_widen_optab + and umadd_widen_optab to implement multiply-add sequences. + * config/mips/mips.md (*<su>mul_acc_di): Rename to... + (<u>maddsidi4): ...this. Extend condition to include + GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint + of operand 0 to "ka" and use the three-operand form of madd<u> + for TARGET_DSPR2. + * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert + to define_expands. + * config/mips/constraints.md (ka): New register constraint. + +2007-04-24 Jan Hubicka <j@suse.cz> + + Revert: + + 2007-04-23 Jan Hubicka <jh@suse.cz> + * function.c (init_function_start): Don't init line number info. + (expand_function_end): Update. + (reset_block_changes, record_block_change, finalize_block_changes, + check_block_change, free_block_changes): Kill. + * function.h (reset_block_changes, record_block_change, + finalize_block_changes, check_block_change, free_block_changes): + Remove prototypes. + (struct function): Remove ib_boundaries_block. + * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw): + Use curr_insn_locator to initialize locator. + (emit_line_note): Remove. + * cfgexpand.c (expand_gimple_cond_expr): Update. + (construct_exit_block): Likewise. + (tree_expand_cfg): Initialize/finalize locators. + * expr.c (expand_expr_real): Update. + * cfglayout.c (line_locators_locs, line_locators_lines, + file_locators_locs, file_locators_files): Remove. + (set_block_levels): Move to cfgexpand.c. + (insn_locators_initialize): Remove. + (pass_insn_locators_initialize): Remove. + (locations_locators_locs, locations_locators_vals): New static vars. + (curr_location, last_location, curr_block, last_block, curr_rtl_loc): + Likewise. + (insn_locators_alloc, insn_locators_finalize, + set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): + New functions. + (locator_location): New. + (locator_line, locator_file): Rewrite. + * rtl.h (emit_line_note): Kill. + (insn_locators_alloc, insn_locators_finalize, + set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): + Declare. + * tree-inline.c (initialize_cfun): Do not initialize + ib_boundaries_block. + * passes.c (pass_insn_locators_initialize): Remove. + +2007-04-24 Daniel Franke <franke.daniel@gmail.com> + + * doc/invoke.texi: Removed leading '-' from option index entries. + +2007-04-23 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node): + Use phi_nodes_ptr. + (create_phi_node): Use set_phi_nodes. + * omp-low.c (expand_omp_parallel): Use bb_stmt_list. + * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes. + (combine_blocks): Use bb_stmt_list and set_bb_stmt_list. + * tree-flow-inline.h (phi_nodes, set_phi_nodes, + (bsi_start, bsi_last): Use bb_stmt_list. + (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions. + * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list. + Traverse the statements using tsi iterator. + * basic-block.h (struct basic_block_def): Fields stmt_list + and phi_nodes moved to ... + (struct tree_bb_info): ... new structure. + * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list. + (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list. + (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field. + (tree_verify_flow_info): Verify that il.tree is not set for + entry and exit block. + (tree_split_block): Use set_bb_stmt_list. + +2007-04-23 Mike Stump <mrs@apple.com> + + * config/i386/i386.c (ix86_tune_features + [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on + nocona and core2. + +2007-04-23 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.md (prefix_extra): New attribute. + (length): Add prefix_extra. + + * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16. + (sse2_movntv2di): Likewise. + (sse2_cvtps2dq): Likewise. + (sse2_cvtpd2pi): Likewise. + (sse2_cvttpd2pi): Likewise. + (*sse2_cvtpd2ps): Likewise. + (*add<mode>3): Likewise. + (sse2_ssadd<mode>3): Likewise. + (sse2_usadd<mode>3): Likewise. + (*sub<mode>3): Likewise. + (sse2_sssub<mode>3): Likewise. + (sse2_ussub<mode>3): Likewise. + (*mulv8hi3): Likewise. + (*smulv8hi3_highpart): Likewise. + (*umulv8hi3_highpart): Likewise. + (sse2_umulv2siv2di3): Likewise. + (sse2_pmaddwd): Likewise. + (ashr<mode>3): Likewise. + (lshr<mode>3): Likewise. + (ashl<mode>3): Likewise. + (sse2_ashlti3): Likewise. + (sse2_lshrti3): Likewise. + (*umaxv16qi3): Likewise. + (*smaxv8hi3): Likewise. + (*uminv16qi3): Likewise. + (*sminv8hi3): Likewise. + (sse2_eq<mode>3): Likewise. + (sse2_gt<mode>3): Likewise. + (*and<mode>3): Likewise. + (sse2_nand<mode>3): Likewise. + (*ior<mode>3): Likewise. + (*xor<mode>3): Likewise. + (sse2_packsswb): Likewise. + (sse2_packssdw): Likewise. + (sse2_packuswb): Likewise. + (sse2_punpckhbw): Likewise. + (sse2_punpcklbw): Likewise. + (sse2_punpckhwd): Likewise. + (sse2_punpcklwd): Likewise. + (sse2_punpckhdq): Likewise. + (sse2_punpckldq): Likewise. + (sse2_punpckhqdq): Likewise. + (sse2_punpcklqdq): Likewise. + (*sse2_pinsrw): Likewise. + (*sse2_pextrw): Likewise. + (sse2_pshufd_1): Likewise. + (sse2_uavgv16qi3): Likewise. + (sse2_uavgv8hi3): Likewise. + (sse2_psadbw): Likewise. + (sse2_pmovmskb): Likewise. + (*sse2_maskmovdqu): Likewise. + (*sse2_maskmovdqu_rex64): Likewise. + (sse4a_extrqi): Likewise. + (sse4a_extrq): Likewise. + (sse3_lddqu): Set prefix_rep. + (sse3_addsubv4sf3): Likewise. + (sse3_haddv4sf3): Likewise. + (sse3_hsubv4sf3): Likewise. + (sse_cvtss2si): Likewise. + (sse_cvtss2si_2): Likewise. + (sse_cvtss2siq): Likewise. + (sse_cvtss2siq_2): Likewise. + (sse_cvttss2si): Likewise. + (sse_cvttss2siq): Likewise. + (sse2_cvttps2dq): Likewise. + (sse3_movshdup): Likewise. + (sse3_movsldup): Likewise. + (sse2_cvtsd2si): Likewise. + (sse2_cvtsd2si_2): Likewise. + (sse2_cvtsd2siq): Likewise. + (sse2_cvtsd2siq_2): Likewise. + (sse2_cvttsd2si): Likewise. + (sse2_cvttsd2siq): Likewise. + (*sse2_cvtpd2dq): Likewise. + (*sse2_cvttpd2dq): Likewise. + (sse2_pshuflw_1): Likewise. + (sse2_pshufhw_1): Likewise. + (sse4a_insertqi): Likewise. + (sse4a_insertq): Likewise. + (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra. + (ssse3_phadddv4si3): Likewise. + (ssse3_phaddswv8hi3): Likewise. + (ssse3_phsubwv8hi3): Likewise. + (ssse3_phsubdv4si3): Likewise. + (ssse3_phsubswv8hi3): Likewise. + (ssse3_pmaddubswv8hi3): Likewise. + (ssse3_pmulhrswv8hi3): Likewise. + (ssse3_pshufbv16qi3): Likewise. + (ssse3_psign<mode>3): Likewise. + (ssse3_palignrti): Likewise. + (abs<mode>2): Likewise. + (ssse3_phaddwv4hi3): Set prefix_extra. + (ssse3_phadddv2si3): Likewise. + (ssse3_phaddswv4hi3): Likewise. + (ssse3_phsubwv4hi3): Likewise. + (ssse3_phsubdv2si3): Likewise. + (ssse3_phsubswv4hi3): Likewise. + (ssse3_pmaddubswv4hi3): Likewise. + (ssse3_pmulhrswv4hi3): Likewise. + (ssse3_pshufbv8qi3): Likewise. + (ssse3_psign<mode>3): Likewise. + (ssse3_palignrdi): Likewise. + (abs<mode>2): Likewise. + (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF. + (*vec_dupv2df): Set mode to V2DF instead of V4SF. + (sse2_pmovmskb): Set mode to SI instead of V2DF. + +2007-04-23 Nick Clifton <nickc@redhat.com> + + * params.def: Fix formatting of emacs local variables. + +2007-04-23 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/sse.md (sse2_stored): Don't split to inter-unit + move if inter-unit move isn't allowed. + Don't split moving the first element of V2DI to DI to inter-unit + move if inter-unit move isn't allowed. + +2007-04-23 Richard Guenther <rguenther@suse.de> + + * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS + and CDI_POST_DOMINATORS separately. + +2007-04-23 Nick Clifton <nickc@redhat.com> + + * c.opt (Wformat-contains-nul): Add warning attribute. + +2007-04-23 Jan Hubicka <jh@suse.cz> + + * function.c (init_function_start): Don't init line number info. + (expand_function_end): Update. + (reset_block_changes, record_block_change, finalize_block_changes, + check_block_change, free_block_changes): Kill. + * function.h (reset_block_changes, record_block_change, + finalize_block_changes, check_block_change, free_block_changes): + Remove prototypes. + (struct function): Remove ib_boundaries_block. + * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw): + Use curr_insn_locator to initialize locator. + (emit_line_note): Remove. + * cfgexpand.c (expand_gimple_cond_expr): Update. + (construct_exit_block): Likewise. + (tree_expand_cfg): Initialize/finalize locators. + * expr.c (expand_expr_real): Update. + * cfglayout.c (line_locators_locs, line_locators_lines, + file_locators_locs, file_locators_files): Remove. + (set_block_levels): Move to cfgexpand.c. + (insn_locators_initialize): Remove. + (pass_insn_locators_initialize): Remove. + (locations_locators_locs, locations_locators_vals): New static vars. + (curr_location, last_location, curr_block, last_block, curr_rtl_loc): + Likewise. + (insn_locators_alloc, insn_locators_finalize, + set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): + New functions. + (locator_location): New. + (locator_line, locator_file): Rewrite. + * rtl.h (emit_line_note): Kill. + (insn_locators_alloc, insn_locators_finalize, + set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): + Declare. + * tree-inline.c (initialize_cfun): Do not initialize + ib_boundaries_block. + * passes.c (pass_insn_locators_initialize): Remove. + +2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/31448 + * expr.c (reduce_to_bit_field_precision): Handle + CONST_INT rtx's. + +2007-04-22 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/24659 + * optabs.h (enum optab_index) [OTI_vec_unpacks_hi, + OTI_vec_unpacks_lo]: Update comment to mention floating point operands. + (vec_pack_trunc_optab): Rename from vec_pack_mod_optab. + * genopinit.c (optabs): Rename vec_pack_mod_optab + to vec_pack_trunc_optab. + * tree-vect-transform.c (vectorizable_type_demotion): Do not fail + early for scalar floating point operands for NOP_EXPR. + (vectorizable_type_promotion): Ditto. + * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return + vec_pack_trunc_optab. + (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab. + + * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR. + * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]: + Rename from VEC_PACK_MOD_EXPR. + (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto. + * expr.c (expand_expr_real_1): Ditto. + * tree-inline.c (estimate_num_insns_1): Ditto. + * tree-vect-generic.c (expand_vector_operations_1): Ditto. + + * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander. + (vec_unpacks_lo_v4sf): Ditto. + (vec_pack_trunc_v2df): Ditto. + (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi. + (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si. + (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di. + + * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from + vec_pack_mod_v8hi. + (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si. + + * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]: + Rename from VEC_PACK_MOD_EXPR. This expression also represent + packing of floating point operands. + [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also + represent unpacking of floating point operands. + * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation. + [vec_unpacks_hi]: Ditto. + [vec_unpacks_lo]: Ditto. + +2007-04-22 Jan Hubicka <jh@suse.cz> + + * final.c (rest_of_handle_final): Call + targetm.asm_out.constructor/targetm.asm_out.destructor + * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set + proper priority via decl_*_priority_insert. + * c-common.c (c_expand_body): Likewise. + +2007-04-22 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/29789 + * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts. + (rewrite_reciprocal): New helper split out from + determine_invariantness_stmt. + (rewrite_bittest): Likewise. + (determine_invariantness_stmt): Rewrite (A >> B) & 1 to + A & (1 << B) if (1 << B) is loop invariant but (A >> B) + is not. + +2007-04-22 Revital Eres <eres@il.ibm.com> + + * loop-unroll.c (var_to_expand): New field to support also + insns of the form x = something + x. + (analyze_insn_to_expand_var): Use it. + (expand_var_during_unrolling): Likewise. + +2007-04-21 Zdenek Dvorak <dvorakz@suse.cz> + + * predict.c: Include pointer-set.h. + (bb_predictions): New variable. + (tree_predicted_by_p, tree_predict_edge, + remove_predictions_associated_with_edge): Use bb_predictions map + instead of bb->predictions. + (clear_bb_predictions, assert_is_empty): New functions. + (combine_predictions_for_bb): Use bb_predictions map. Call + clear_bb_predictions. + (tree_estimate_probability): Create and free bb_predictions map. + * Makefile.in (predict.o): Add pointer-set.h dependency. + * basic-block.h (struct basic_block_def): Remove predictions + field. + * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions. + +2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/31480 + * config/sh/sh.md (length): Check if prev_nonnote_insn (insn) + is null. + +2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * timevar.c (timevar_print): Change reference of --disable-checking to + --enable-checking=release. Also warn if assert checking is disabled. + +2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR C/30265 + * c-gimplifier.c (gimplify_compound_literal_expr): Mark the + decl as addressable if the compound literal was marked as + addressable. + Mark the decl as a gimple register if it is a complex or + vector decl and does not live in memory. + +2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs. + (GENERIC_NEXT): New function macro. + (PHI_CHAIN): Use phi_node's new chain variable. + (tree_phi_node): Change tree_common to tree_base + and add the chain field. + * tree-phinodes.c (make_phi_node): Don't set + TREE_TYPE on the new node. + * c-decl.c (lang_tree_node): Use GENERIC_NEXT + instead of checking GIMPLE_TUPLE_P in chain_next. + * tree-vect-transform.c + (get_initial_def_for_induction): Look at + PHI_RESULT_TREE for the type of the phi node. + (update_vuses_to_preheader): Use PHI_CHAIN + instead of TREE_CHAIN on the phi node. + * tree-ssa-structalias.c (compute_points_to_sets): + Likewise. + (ipa_pta_execute): Likewise. + +2007-04-21 Richard Guenther <rguenther@suse.de> + + PR middle-end/31136 + * fold-const.c (fold_unary): Call fold_convert_const on the + original tree. + +2007-04-21 Alexandre Oliva <aoliva@redhat.com> + + * gcse.c (store_killed_in_insn): Handle PARALLELs. + (store_killed_in_pat): New. + +2007-04-20 Richard Henderson <rth@redhat.com> + + PR target/31628 + * config/i386/i386.c (type_has_variadic_args_p): Look for any + TREE_LIST with a void_type_node value, not void_list_node exactly. + +2007-04-21 Douglas Gregor <doug.gregor@gmail.com> + + * doc/standards.texi: Re-arrange into language-specific + subsections. Add a C++ section, documenting which standards we + support. + +2007-04-21 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex. + * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops. + +2007-04-20 Daniel Jacobowitz <dan@codesourcery.com> + + * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include + ecrti.o and crtbegin.o. + (LIB_DEFAULT_SPEC): Include -lc. + (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o. + +2007-04-20 Richard Henderson <rth@redhat.com> + + PR target/28623 + * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset + argument; update all callers. + (get_unaligned_offset): New. + * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use + get_unaligned_address, just pass on the address directly. + (unaligned_extendqidi): Use gen_lowpart instead of open-coding + the subreg in the helper patterns. + (unaligned_extendqidi_le): Use get_unaligned_offset. + (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise. + (unaligned_extendhidi_be): Likewise. + (unaligned_extendhidi): Tidy. + * config/alpha/alpha-protos.h: Update. + +2007-04-20 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove. + (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove. + * config/alpha/linux.h (CPP_SPEC): Undef before redefine. + * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS. + * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS. + (CPP_SPEC): Don't include %(cpp_subtarget). + * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC. + (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS. + * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly. + +2007-04-20 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED + for __builtin_ia32_cmpordss. + + PR tree-optimization/31632 + * fold-const.c (fold_binary): Use op0 and op1 instead of arg0 + and arg1 for optimizations of comparison against min/max values. + Fold arg0 to arg1's type for optimizations of comparison against + min+1 and max-1 values. + +2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com> + + * reload.c (combine_reloads): When trying to use a dying register, + check whether it's uninitialized and don't use if so. + +2007-04-19 Brooks Moses <brooks.moses@codesourcery.com> + + * fold-const.c: Remove prototypes for native_encode_expr and + native_interpret_expr. + (native_encode_expr): Make non-static. + (native_interpret_expr): Likewise. + * tree.h: Add prototypes for the above. + +2007-04-19 Joseph Myers <joseph@codesourcery.com> + + * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2, + *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2, + *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2, + spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr, + tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr): + Add length attributes. + +2007-04-19 Janis Johnson <janis187@us.ibm.com> + + * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined, + not that it is 1. + + * c-cppbuiltin.c (c_cpp_builtins): Remove definition of + __STDC_WANT_DEC_FP__. + +2007-04-19 Joseph Myers <joseph@codesourcery.com> + + * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu* + for long double compatibility. + * configure: Regenerate. + +2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/29841 + * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional + trap instructions. + * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions + that may cause control flow transfer from being moved. + +2007-04-18 Jan Hubicka <jh@suse.cz> + + * fold-const.c (div_if_zero_remainder): Do signed divide for pointer + types. + +2007-04-18 Eric Christopher <echristo@apple.com> + + * config/rs6000/darwin.md (load_macho_picbase): Use link register + only. Update operands. + * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller. + * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from + link register to pic register. + +2007-04-18 Dirk Mueller <dmueller@suse.de> + + PR diagnostic/31227 + * tree-vrp.c (search_for_addr_array): New. + (check_array_bounds): Suppress warning about + address taken of array refs if its not de-referenced. + +2007-04-18 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL. + * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux. + + * tree-vectorizer.h (NITERS_KNOWN_P): New. + * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P + instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info. + + * tree-vect-analyze.c (vect_determine_vectorization_factor): Add + dump print. + (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a + print message. + (vect_analyze_scalar_cycles): Fix indentation. + (vect_enhance_data_refs_alignment): Fix check in case of peeling. + (vect_mark_relevant): Include phis in relevance analysis. + + * tree-vect-transform.c (vect_transform_loop): Add an assert. + +2007-04-18 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (ptrreg_to_str): Replace error() with + output_operand_lossage(). + +2007-04-18 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vect-transform.c (get_initial_def_for_reduction): Clean away + the unused code for reduction without adjust-in-epilog to simplify the + function. + +2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com> + + * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant. + (S390_TDC_NEGATIVE_ZERO): New constant. + (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant. + (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant. + (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant. + (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant. + (S390_TDC_POSITIVE_INFINITY): New constant. + (S390_TDC_NEGATIVE_INFINITY): New constant. + (S390_TDC_POSITIVE_QUIET_NAN): New constant. + (S390_TDC_NEGATIVE_QUIET_NAN): New constant. + (S390_TDC_POSITIVE_SIGNALING_NAN): New constant. + (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant. + (S390_TDC_INFINITY): New constant. + * config/s390/s390.c (s390_canonicalize_comparison): Renamed + UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like + optimization for UNSPEC_CCZ_TO_INT. + * config/s390/s390.md ("*TDC_insn_<mode>"): New insn. + ("*ccz_to_int"): New insn. + ("isinf<mode>2"): New insn. + (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT. + (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT. + (UNSPEC_CCZ_TO_INT): New constant. + +2007-04-18 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/19431 + PR tree-optimization/21463 + * tree-pass.h (pass_phiprop): Declare. + * passes.c (init_optimization_passes): New phiprop pass. + * tree-ssa-forwprop.c (struct phiprop_d): New structure. + (phivn_valid_p): New helper function. + (phiprop_insert_phi): Likewise. + (propagate_with_phi): Likewise. + (tree_ssa_phiprop): New propagator propagating loads + through phi nodes if profitable. + +2007-04-18 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vect-analyze.c (process_use): New function. + (vect_mark_stmts_to_be_vectorized): Factor out code to process_use. + Check phis in all bbs. + * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant + assert. + +2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com> + + * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way + we use REG_EQUAL. + +2007-04-17 Anatoly Sokolov <aesok@post.ru> + + PR target/30483 + * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with + error(). + +2007-04-17 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand + on "0". + (sse_vmmulv4sf3): Likewise. + (sse2_vmaddv2df3): Likewise. + (sse2_vmmulv2df3): Likewise. + +2007-04-17 Zdenek Dvorak <dvorakz@suse.cz> + + PR rtl-optimization/31360 + * cfgloopanal.c (target_small_cost, target_pres_cost): Removed. + (target_reg_cost): New. + (init_set_costs): Initialize target_reg_cost. Add comments + regarding the rationale of the costs. + (global_cost_for_size): Renamed to... + (estimate_reg_pressure_cost): ... and simplify. Decrease importance + of register pressure. + * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use + estimate_reg_pressure_cost. Add number of ivs. + (determine_set_costs): Dump target_reg_cost. + * loop-invariant.c (gain_for_invariant): Use + estimate_reg_pressure_cost. Removed n_inv_uses argument. + (best_gain_for_invariant, find_invariants_to_move): Remove + n_inv_uses. + * cfgloop.h (target_small_cost, target_pres_cost): Removed. + (target_reg_cost): Declare. + (global_cost_for_size): Declaration removed. + (estimate_reg_pressure_cost): Declare. + +2007-04-17 Peter Bergner <bergner@vnet.ibm.com> + + * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode + regnos into even/odd register pairs. + * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and + TDmode similar to the other floating point modes. + [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode. + * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New + define_expand's. + (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr, + nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's. + (movdd_hardfloat64): Use TARGET_MFPGPR. + +2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com> + + * reload1.c (delete_output_reload): Don't count output in n_inherited. + + Revert + 2005-01-05 Richard Henderson <rth@redhat.com> + PR rtl-opt/10692 + * reload1.c (do_input_reload): Restrict the optimization deleteing + a previous output reload to RELOAD_FOR_INPUT. + +2007-04-17 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vectorizer.h (stmt_vec_info_type): Add enum value + induc_vec_info_type. + (vectorizable_induction): New function declaration. + * tree-vect-transform.c (get_initial_def_for_induction): No need to + check if already vectorized. Find first place in BB where new stmts + can be inserted. Takes only one argument. + (vectorizable_induction): New function. + (vect_transform_stmt): Add case for induc_vec_info_type to call + vectorizable_induction. + (vect_transform_loop): Consider phis for vectorization. + * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify + condition. + (analyze_operations): Call vectorizable_induction when analyzing phis. + Fix comment. + (vect_mark_stmts_to_be_vectorized): Remove redundant checks. + (vect_mark_relevant): Include phis in relevance analysis. + (vect_mark_stmts_to_be_vectorize): Likewise. + * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts. + +2007-04-16 Lawrence Crowl <crowl@google.com> + + * doc/invoke.texi (Debugging Options): Add documentation for the + -femit-struct-debug options -femit-struct-debug-baseonly, + -femit-struct-debug-reduced, and + -femit-struct-debug-detailed[=...]. + + * c-opts.c (c_common_handle_option): Add + OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced, + and OPT_femit_struct_debug_detailed_. + * c.opt: Add specifications for + -femit-struct-debug-baseonly, -femit-struct-debug-reduced, + and -femit-struct-debug-detailed[=...]. + * opts.c (set_struct_debug_option): Parse the + -femit-struct-debug-... options. + * opts.c (matches_main_base, main_input_basename, + main_input_baselength, base_of_path, matches_main_base): Add + variables and functions to compare header base name to compilation + unit base name. + * opts.c (should_emit_struct_debug): Add to determine to emit a + structure based on the option. + (dump_struct_debug) Also disabled function to debug this + function. + * opts.c (handle_options): Save the base name of the + compilation unit. + + * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define. + (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add. + This hook indicates if a type is generic. Set it by default + to "never generic". + * langhooks.h (struct lang_hooks_for_types): Add a new hook + to determine if a struct type is generic or not. + * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook. + * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook. + * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook + with live C++ hook. + + * flags.h (enum debug_info_usage): Add an enumeration to describe + a program's use of a structure type. + * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter + to indicate the program's usage of the type. Filter structs based + on the -femit-struct-debug-... specification. + (gen_type_die): Split into two routines, gen_type_die and + gen_type_die_with_usage. gen_type_die is now a wrapper + that assumes direct usage. + (gen_type_die_with_usage): Replace calls to gen_type_die + with gen_type_die_with_usage adding the program usage of + the referenced type. + (dwarf2out_imported_module_or_decl): Suppress struct debug + information using should_emit_struct_debug when appropriate. + +2007-04-16 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/31522 + * tree-vrp.c (vr_phi_edge_counts): New static variable. + (vrp_initialize): Allocate vr_phi_edge_counts. + (vrp_visit_phi_node): Don't push to infinity if we saw a new + executable edge. Drop test for all constants. + (vrp_finalize): Free vrp_phi_edge_counts. + + * doc/cpp.texi (Common Predefined Macros): Clarify description of + __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__. + + * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer + predecessors at head rather than tail. + +2007-04-16 Matthias Klose <doko@debian.org> + + * config/alpha/linux.h (CPP_SPEC): Define. + * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend. + +2007-04-16 Aldy Hernandez <aldyh@redhat.com> + + * function.h: Remove sequence_stack extern declaration. + +2007-04-16 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on + TARGET_FIDOA. + (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is + defined. + +2007-04-16 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_arch_types): Rearranging array. + (enum avr_arch): Add. + (avr_mcu_types): Use avr_arch enumeration constants instead of + numbers. + * config/avr/avr.h (LINK_SPEC): Simplify. + +2007-04-16 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.c (m68k_libcall_value, + m68k_function_value): Use macros for register names more. + + * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG + instead. + (M68K_REGNAME): Use A6_REG. + * config/m68k/m68k.md (FP_REG): Rename to A6_REG. + +2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru> + + PR middle-end/28071 + * sched-int.h (struct deps): Split field 'pending_lists_length' into + 'pending_read_list_length' and 'pending_write_list_length'. Update + comment. + * sched-deps.c (add_insn_mem_dependence): Change signature. Update + to handle two length counters instead of one. Update all uses. + (flush_pending_lists, sched_analyze_1, init_deps): Update to handle + two length counters instead of one. + * sched-rgn.c (propagate_deps): Update to handle two length counters + instead of one. + +2007-04-16 H.J. Lu <hongjiu.lu@intel.com> + + PR target/31582 + * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a + copy of source, pass it to ix86_expand_vector_set and return + it as target. + +2007-04-16 David Ung <davidu@mips.com> + Joseph Myers <joseph@codesourcery.com> + + * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF, + PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define. + * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data): + Add 74K processor information. + * config/mips/mips.md: Include 74k.md. + (cpu): Add 74kc,74kf,74kx. + (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout. + * config/mips/74k.md: New. + * doc/invoke.texi (MIPS Options): Document 74K support. + +2007-04-16 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to + vectorizable_* functions. + * tree-vect-transform.c (vectorizable_call): Add check for + STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P. + (vectorizable_store): likewise. + (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE. + Add comments. + (vectorizable_operation, vectorizable_type_demotion): Likewise. + (vectorizable_type_promotion, vectorizable_load): Likewise. + (vectorizable_live_operation, vectorizable_condition): Likewise. + (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and + STMT_VINFO_LIVE_P. + (vect_transform_stmt): Reorganize calls to vectorizable_* functions. + +2007-04-15 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for + register numbers more. + * config/m68k/m68k.h (STACK_POINTER_REGNUM, + FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM, + M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE, + FUNCTION_VALUE_REGNO_P): Likewise. + * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM, + STATIC_CHAIN_REGNUM): Likewise. + * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise. + * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM, + STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise. + * config/m68k/m68k.md (FP_REG): New. + +2007-04-15 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit + alignment on fido. + +2007-04-15 Kazu Hirata <kazu@codesourcery.com> + + * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md, + tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix + comment typos. + +2007-04-11 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore + cold loops. + +2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR c/31520 + * c-decl.c (finish_decl): Grab the type of the decl after the call + to store_init_value. + +2007-04-14 Steven Bosscher <steven@gcc.gnu.org> + + * common.opt (fforward-propagate): Fix "Optimization" annotation. + +2007-04-14 Jakub Jelinek <jakub@redhat.com> + + PR c++/25874 + * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free + dominators, post dominators and cleanup cfg before returning. + +2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied. + * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives. + +2007-04-14 Kazu Hirata <kazu@codesourcery.com> + + * config.gcc: Recognize fido. + * config/m68k/m68k-devices.def (fidoa): New. + * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define + __mfido__. + (FL_FIDOA, TARGET_FIDOA): New. + * config/m68k/m68k.opt (mfidoa): New. + +2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR middle-end/31322 + * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall + when a personality function is used. + +2007-04-13 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN. + +2007-04-13 Mike Stump <mrs@apple.com> + + * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so + we can... + * config/darwin.opt (fapple-kext): Make C++ only. + * config/darwin.c (darwin_override_options): Remove code to ensure + -fapple-kext is given for C++ only. + +2007-04-13 Richard Sandiford <richard@codesourcery.com> + + * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define. + * config/mips/mips.c (override_options): Call + SUBTARGET_OVERRIDE_OPTIONS, if defined. + +2007-04-13 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.opt (msvr3-shlib): Removed. + + * doc/invoke.texi: Remove -msvr3-shlib. + +2007-04-13 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction + with "popcnt" instruction. + +2007-04-13 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/21258 + * tree-vrp.c (compare_case_labels): New helper. + (find_switch_asserts): New function. + (find_assert_locations): Call it for SWITCH_EXPRs. + +2007-04-13 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387. + * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this + check is now implied in X87_FLOAT_MODE_P. + (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto. + (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto. + (fix_trunc<mode>_i386_fisttp): Ditto. + (fix_trunc<mode>_i387_fisttp_with_temp): Ditto. + (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto. + (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto. + (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto. + (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto. + (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto. + (unnamed_splitters): Ditto. + * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG + for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with + FIRST_SSE_REG for local functions when SSE math is enabled or + for functions with sseregparm attribute. + (standard_80387_constant_p): Return -1 if mode is not + X87_FLOAT_MODE_P. + (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P. + (ix86_expand_compare): Ditto. + (ix86_expand_carry_flag_compare): Ditto. + (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead + of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not + DECIMAL_FLOAT_MODE_P. + (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead + of SCALAR_FLOAT_MODE_P. + (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ... + [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P + checks before FLOAT_MODE_P. + [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks + before FLOAT_MODE_P. + [DIV]: Ditto. + [NEG]: Ditto. + [ABS]: Ditto. + [SQRT]: Ditto. + [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P. + +2007-04-12 Paolo Bonzini <bonzini@gnu.org> + Charles Wilson <libtool@cwilson.fastmail.fm> + + * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove. + (libgcc.mvars): Don't depend on them. + * configure.ac (as, collect-ld, nm): Create from exec-tool.in. + * exec-tool.in: New. + +2007-04-12 Brooks Moses <brooks.moses@codesourcery.com> + + * doc/invoke.text (--help): Document --help=common. + +2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net> + + * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords. + +2007-04-12 Richard Sandiford <richard@codesourcery.com> + + * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H). + * genemit.c (main): Emit #include "integrate.h". + * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type. + (LOADGP_RTP): New mips_loadgp_style. + * config/mips/mips.h: Include config/vxworks-dummy.h. + (TARGET_RTP_PIC): New macro. + (TARGET_USE_GOT): Return true for TARGET_RTP_PIC. + (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP. + (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables + for TARGET_RTP_PIC. + * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down + -mvxworks-pic when using -mrtp and a PIC option. + * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP + for RTP PIC. + (mips_symbolic_constant_p, mips_symbolic_address_p) + (mips_symbol_insns): Handle SYMBOL_HALF. + (override_options): Warn about -G and -mrtp being used together. + Initialize mips_lo_relocs[SYMBOL_HALF]. + (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC. + (mips_emit_loadgp): Handle LOADGP_RTP. + (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP. + * config/mips/mips.md (loadgp_rtp): New insn and splitter. + (tablejump): Handle function-relative case table entries if + TARGET_RTP_PIC. + * config/mips/predicates.md (symbol_ref_operand): New predicate. + +2007-04-12 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.md (load_call<mode>): Allow any general register. + destination. + (sibcall_value_internal, sibcall_value_multiple_internal) + (call_value_internal, call_value_split, call_value_multiple_internal) + (call_value_multiple_split): Remove constraints from operand 0. + +2007-04-12 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips-protos.h: In comments, refer to loadgp_absolute + rather than loadgp_noshared. + * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute + instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of + gen_loadgp. + * config/mips/mips.md (loadgp): Rename to... + (loadgp_newabi): ...this. + (loadgp_noshared): Rename to... + (loadgp_absolute): ...this. + +2007-04-12 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return + false for locally-binding symbols. + (mips_dangerous_for_la25_p): Check mips_global_symbol_p. + +2007-04-12 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to... + (SYMBOL_GOT_PAGE_OFST): ...this. + (SYMBOL_GOT_GLOBAL): Rename to... + (SYMBOL_GOT_DISP): ...this. + (SYMBOL_GOTOFF_GLOBAL): Rename to... + (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly. + * config/mips/mips.c (mips_global_symbol_p): New function. + (mips_symbol_binds_local_p): Likewise. + (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP + and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use + mips_global_symbol_p and mips_symbol_binds_local_p. + (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns) + (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP, + SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to + SYMBOL_GOTOFF_DISP. + (mips_ok_for_lazy_binding_p): New function. + (mips_load_call_address, mips_expand_call): Use it. + (mips_dangerous_for_la25_p): Likewise. + * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>) + (*got_disp<mode>): Use got_disp_operand instead of + global_got_operand. Use SYMBOL_GOTOFF_DISP instead of + SYMBOL_GOTOFF_GLOBAL. + (*got_page<mode>): Use got_page_ofst_operand instead of + local_got_operand. + * config/mips/predicates.md (const_call_insn_operand): Use + SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL. + (global_got_operand): Rename to... + (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of + SYMBOL_GOT_GLOBAL. + (local_got_operand): Rename to... + (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead + of SYMBOL_GOT_LOCAL. + +2007-04-12 Richard Sandiford <richard@codesourcery.com> + + * config/mips/mips.h (TARGET_SPLIT_CALLS): Check + TARGET_CALL_CLOBBERED_GP. + (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS. + (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros. + (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise. + (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead + of TARGET_ABICALLS && !TARGET_NEWABI. + (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS. + * config/mips/mips.c (mips_load_call_address): Check + TARGET_CALL_SAVED_GP instead of TARGET_NEWABI. + (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS. + Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI. + (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of + TARGET_ABICALLS && TARGET_NEWABI. + (mips_current_loadgp_style): Check TARGET_USE_GOT instead of + TARGET_ABICALLS. + (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI. + (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of + TARGET_ABICALLS && TARGET_NEWABI. + (mips_output_mi_thunk): Check TARGET_USE_GOT instead of + TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of + TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide + whether indirect calls must use $25. + (mips_extra_live_on_entry): Check TARGET_GOT instead of + TARGET_ABICALLS. + * config/mips/mips.md (jal_macro): Check flag_pic and + TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI. + (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT + instead of TARGET_ABICALLS. + (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of + TARGET_ABICALLS && TARGET_OLDABI. + (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS. + (sibcall): In the comment above the define_insn, mention + TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS. + * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG + instead of TARGET_ABICALLS. + +2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com> + + * doc/md.texi (Blackfin family constraints): Document PA and PB. + * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB. + (MACFLAGS_MATCH_P): New macro. + * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M. + (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS. + * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of + the other MACFLAG constants. + (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns. + (flag_machi): Tighten constraints. Renumber some of the operands. + (flag_machi_acconly): Tighten constraints. Correct operand numbers in + output template. + (flag_machi_parts_acconly): New pattern. + (flag_macinithi): Tighten constraints. Allow any accumulator to be + used. + (flag_macinit1hi): Tighten constraints. + (flag_mul_macv2hi_parts_acconly): New pattern. + + * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart): + Use a more efficient implementation. + * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit + inline sequences when not optimizing for size. + + * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low, + movhi_high2low): Delete, merge functionality into... + (packv2hi): ... this pattern. + + 2007-02-11 Jie Zhang <jie.zhang@analog.com> + * config/bfin/bfin.opt (msim): New option. + (mcpu=): New option. + * config/bfin/bfin-protos.h (enum bfin_cpu): New. + (bfin_cpu_t): Typedef of enum bfin_cpu. + (bfin_cpu_type): New declaration. + * config/bfin/elf.h (STARTFILE_SPEC): Add support for + -msim and -mcpu= options. + (LIB_SPEC): Likewise. + * config/bfin/bfin.c (bfin_cpu_type): Define. + (bfin_handle_option): Handle -mcpu= option. + * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532. + (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__, + __ADSPBF533__ or __ADSPBF537__ according to the cpu type. + +2007-04-12 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza. + (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks) + (powerpc-wrs-vxworksae): Use ${tm_file}. + (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h + after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h. + * config/i386/vx-common.h: New file. + +2007-04-12 Richard Sandiford <richard@codesourcery.com> + + * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead + of crt0.o%s. + +2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of + ldxtr. + +2007-04-12 Douglas Gregor <doug.gregor@gmail.com> + + PR c++/31078 + PR c++/31103 + * c-common.c (c_build_qualified_type): Set canonical type + appropriately. + +2007-04-12 Richard Guenther <rguenther@suse.de> + + * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF + lower bound and element size if lower bound is not zero + or either of the ARRAY_REF operands is set. + +2007-04-12 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/24689 + PR tree-optimization/31307 + * fold-const.c (operand_equal_p): Compare INTEGER_CST array + indices by value. + * gimplify.c (canonicalize_addr_expr): To be consistent with + gimplify_compound_lval only set operands two and three of + ARRAY_REFs if they are not gimple_min_invariant. This makes + it never at this place. + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise. + +2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not + null before emitting a .nsubspa directive. + +2007-04-11 Diego Novillo <dnovillo@redhat.com> + + * tree-ssa-alias.c (dump_mem_ref_stats): Do not call + need_to_partition_p if there are no memory statements in the + function. + +2007-04-11 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-data-ref.c (chrec_steps_divide_constant_p): Removed. + (gcd_of_steps_may_divide_p): New function. + (analyze_miv_subscript): Use gcd_of_steps_may_divide_p. + +2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com> + + * reload.c (find_reloads_toplev, find_reloads_address, + find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p, + not a pointer equality test, to decide if we need to call + push_reg_equiv_alt_mem. + +2007-04-11 Sebastian Pop <sebastian.pop@inria.fr> + + * tree-data-ref.c (affine_function_zero_p, constant_access_functions, + insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): + New. + (build_classic_dist_vector): Call add_distance_for_zero_overlaps. + +2007-04-11 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-data-ref.c (add_multivariate_self_dist): Force the distance + vector to be positive. + +2007-04-11 Diego Novillo <dnovillo@redhat.com> + + PR 30735 + PR 31090 + * doc/invoke.texi: Document --params max-aliased-vops and + avg-aliased-vops. + * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions, + debug_memory_partitions): Move to tree-flow.h + * params.h (AVG_ALIASED_VOPS): Define. + * tree-ssa-alias.c (struct mp_info_def): Remove. Update all + users. + (mp_info_t): Likewise. + (get_mem_sym_stats_for): New. + (set_memory_partition): Move from tree-flow-inline.h. + (mark_non_addressable): Only clear the set of symbols for the + partition if it exists. + (dump_memory_partitions): Move from tree-ssa-operands.c + (debug_memory_partitions): Likewise. + (need_to_partition_p): New. + (dump_mem_ref_stats): New. + (debug_mem_ref_stats): New. + (dump_mem_sym_stats): New. + (debug_mem_sym_stats): New. + (update_mem_sym_stats_from_stmt): New. + (compare_mp_info_entries): New. + (mp_info_cmp): Call it. + (sort_mp_info): Change argument to a list of mem_sym_stats_t + objects. + (get_mpt_for): Move from tree-ssa-operands.c. + (find_partition_for): New. + (create_partition_for): Remove. + (estimate_vop_reduction): New. + (update_reference_counts): New. + (build_mp_info): New. + (compute_memory_partitions): Refactor. + Document new heuristic. + Call build_mp_info, update_reference_counts, + find_partition_for and estimate_vop_reduction. + (compute_may_aliases): Populate virtual operands before + calling debugging dumps. + (delete_mem_sym_stats): New. + (delete_mem_ref_stats): New. + (init_mem_ref_stats): New. + (init_alias_info): Call it. + (maybe_create_global_var): Remove alias_info argument. + Get number of call sites and number of pure/const call sites + from gimple_mem_ref_stats(). + (dump_alias_info): Call dump_memory_partitions first. + (dump_points_to_info_for): Show how many times a pointer has + been dereferenced. + * opts.c (decode_options): For -O2 set --param + max-aliased-vops to 500. + For -O3 set --param max-aliased-vops to 1000 and --param + avg-aliased-vops to 3. + * fortran/options.c (gfc_init_options): Remove assignment to + MAX_ALIASED_VOPS. + * tree-flow-inline.h (gimple_mem_ref_stats): New. + * tree-dfa.c (dump_variable): Dump memory reference + statistics. + Dump NO_ALIAS* settings. + (referenced_var_lookup): Tidy. + (mem_sym_stats): New. + * tree-ssa-copy.c (may_propagate_copy): Return true if DEST + and ORIG are different SSA names for a memory partition. + * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats. + * tree-flow.h (struct mem_sym_stats_d): Define. + (mem_sym_stats_t): Define. + (struct mem_ref_stats_d): Define. + (struct gimple_df): Add field mem_ref_stats. + (enum noalias_state): Define. + (struct var_ann_d): Add bitfield noalias_state. + (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats, + debug_mem_ref_stats, debug_memory_partitions, + debug_mem_sym_stats): Declare. + * tree-ssa-structalias.c (update_alias_info): Update call + sites, pure/const call sites and asm sites in structure + returned by gimple_mem_ref_stats. + Remove local variable IS_POTENTIAL_DEREF. + Increase NUM_DEREFS if the memory expression is a potential + dereference. + Call update_mem_sym_stats_from_stmt. + If the memory references memory, call + update_mem_sym_stats_from_stmt for all the direct memory + symbol references found. + (intra_create_variable_infos): Set noalias_state field for + pointer arguments according to the value of + flag_argument_noalias. + * tree-ssa-structalias.h (struct alias_info): Remove fields + num_calls_found and num_pure_const_calls_found. + (update_mem_sym_stats_from_stmt): Declare. + * params.def (PARAM_MAX_ALIASED_VOPS): Change description. + Set default value to 100. + (PARAM_AVG_ALIASED_VOPS): Define. + +2007-04-11 Richard Guenther <rguenther@suse.de> + + PR middle-end/31530 + * simplify-rtx.c (simplify_binary_operation_1): Do not simplify + a * -b + c as c - a * b if we honor sign dependent rounding. + +2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from + bfin_expand_strmov. + * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address, + bfin_function_ok_for_sibcall, split_load_immediate): Remove unused + variables. + (initialize_trampoline): Don't use old-style function definition. + (bfin_secondary_reload): Mark IN_P argument as unused. + +2007-04-10 Sebastian Pop <sebastian.pop@inria.fr> + + PR tree-optimization/31343 + * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec. + (build_polynomial_chrec): Return a scalar when the evolution is zero. + * testsuite/gcc.dg/vect/pr31343.c: New. + +2007-04-10 Eric Christopher <echristo@apple.com> + + * config/i386/i386.h (X87_FLOAT_MODE_P): New. + * config/i386/i386.md (*cmpfp0): Use. + (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto. + (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto. + (fix_trunc<mode>_i386_fisttp): Ditto. + (fix_trunc<mode>_i387_fisttp_with_temp): Ditto. + (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto. + (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto. + (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto. + (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto. + (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto. + (unnamed_splitters): Ditto. + * config/i386/i386.c (output_fix_trunc): Assert that + we're not being passed a TFmode operand. + +2007-04-10 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/31526 + * tree-inline.c (copy_cfg_body): Use last_basic_block instead of + n_basic_blocks to find newly added blocks. + +2007-04-10 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm" + alternative. + (fix_trunc<mode>si_sse): Ditto. + (*floatsisf2_mixed, *floatsisf2_sse): Ditto. + (*floatsidf2_mixed, *floatsidf2_sse): Ditto. + (*floatdisf2_mixed, *floatdisf2_sse): Ditto. + (*floatdidf2_mixed, *floatdidf2_sse): Ditto. + (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize + expander using SSEMODEF mode macro. + (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize + expander using SSEMODEF mode macro. + (*floathi<mode>2_i387): Rename from *floathisf2_i387 and + *floathidf2_i387. Macroize insn using X87MODEF12 mode macro. + (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and + *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro. + (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and + *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro. + (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2. + Macroize insn using X87MODEF mode macro. + +2007-04-09 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/sse.md (sse2_pinsrw): Removed. + (sse2_pextrw): Renamed to ... + (*sse2_pextrw): This. + +2007-04-09 Jan Hubicka <jh@suse.cz> + + PR target/27869 + * config/i386/sse.md + (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier. + (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove. + (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier. + (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove. + +2007-04-09 Jan Hubicka <jh@suse.cz> + + * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into + multiple fields of union. + +2007-04-09 Zdenek Dvorak <dvorakz@suse.cz> + + * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge. + (create_preheaders): Check that loops are available. + (fix_loop_structure): Clean up, improve comments. + * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa): + Check that loops are available. Set LOOP_CLOSED_SSA to the loops + state flags. + * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info. + * predict.c (tree_estimate_probability): Do not call + calculate_dominance_info. Call create_preheaders. + * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call + rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state + flags. + * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders. + * cfgloop.h (LOOP_CLOSED_SSA): New constant. + * tree-cfg.c (tree_split_edge): Make an assert more precise. + * tree-ssa-threadedge.c (thread_across_edge): Comment the function + arguments. + +2007-04-08 Jan Hubicka <jh@suse.cz> + + * tree.h (maybe_fold_offset_to_component_ref): Declare. + * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export. + * fold-const.c (fold_unary): Use it. + +2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * varasm.c (assemble_variable): Remove call to + lang_hooks.decls.prepare_assemble_variable. + * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill. + (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE. + * langhooks.h (lang_hooks_for_decls): Remove + prepare_assemble_variable. + +2007-04-08 Mike Stump <mrs@apple.com> + + * config/i386/i386.c: Use inc/dec on Core2. + +2007-04-08 Steven Bosscher <steven@gcc.gnu.org> + + * langhooks.c (lhd_tree_inlining_add_pending_fn_decls, + lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining, + lhd_tree_inlining_end_inlining): Remove. + * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then + add_pending_fn_decls, anon_aggr_type_p, start_inlining, and + end_inlining hooks. + * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls, + lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining, + lhd_tree_inlining_end_inlining): Remove prototypes. + (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, + LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P, + LANG_HOOKS_TREE_INLINING_START_INLINING, + LANG_HOOKS_TREE_INLINING_END_INLINING): Remove. + + * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do + not set it. + +2007-04-08 Anatoly Sokolov <aesok@post.ru> + + PR target/29932 + * config/avr/predicates.md (io_address_operand): Delete predicate. + (low_io_address_operand): Don't use 'mode' argument. + (higth_io_address_operand): Rename ... + (high_io_address_operand): ... to this. Don't use 'mode' argument. + * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust + for above change. + +2007-04-07 Daniel Berlin <dberlin@dberlin.org> + + Revert change removing staticp. + +2007-04-07 Anatoly Sokolov <aesok@post.ru> + + PR target/30289 + * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as + earlyclobber. + +2007-04-07 Bruce Korb <bkorb@gnu.org> + + * c.opt: Add -Wformat-contains-nul. + * c-format.c (set_Wformat): Set warn_format_contains_nul to the + -Wformat setting. + (check_format_info_main): Check OPT_Wformat_contains_nul before emitting + the NUL byte warning. + +2007-04-07 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_handle_option): Handle SSSE3. + +2007-04-06 Daniel Berlin <dberlin@dberlin.org> + + * tree.c (staticp): No longer use staticp langhook. + * langhooks.c (lhd_staticp): Removed. + * langhooks.h (struct lang_hooks): Remove staticp. + * c-common.c (c_staticp): Remove. + * c-common.h (c_staticp): Ditto. + * langhooks-defs.h (lhd_staticp): Ditto. + (LHD_HOOKS_STATICP): Ditto + * tree.h (gcc_assert_lowered): New macro. + +2007-04-06 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use + argument "reliable". + (infer_loop_bounds_from_ref, infer_loop_bounds_from_array): + Add argument "reliable". Propagate it through calls. + (infer_loop_bounds_from_undefined): Derive number of iterations + estimates from references in blocks that do not dominate loop latch. + (gcov_type_to_double_int): New function. + (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int + and expected_loop_iterations_unbounded. + * cfgloopanal.c (expected_loop_iterations_unbounded): New function. + (expected_loop_iterations): Use expected_loop_iterations_unbounded. + * tree-data-ref.c (estimated_loop_iterations): Export. + (get_references_in_stmt): Fix -- do not return addresses of local + objects. + * cfgloop.h (expected_loop_iterations_unbounded, + estimated_loop_iterations): Declare. + +2007-04-06 Andreas Tobler <a.tobler@schweiz.org> + + * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift. + +2007-04-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2 + and extenddfxf2. Macroize expander using X87MODEF12 mode macro. + (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1): + Use output_387_reg_move(). + (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize + expander using X87MODEF12 mode macro. + (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when + choosing register preferences. Use output_387_reg_move(). + (*truncxfdf2_mixed): Combine alternatives, use "r" alternative + instead of "x". Use output_387_reg_move(). + (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and + *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro. + (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and + *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro. + Use output_387_reg_move(). + (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12 + mode macro. + (*truncxf?f_i387 splitter): Ditto. + +2007-04-06 Daniel Berlin <dberlin@dberlin.org> + + * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove + LANG_HOOKS_SAFE_FROM_P. + * expr.c (safe_from_p): Remove langhook call. + * langhooks.h (lang_hooks): Remove safe_from_p. + (lhd_safe_from_p): Remove prototype. + * langhooks.c (lhd_safe_from_p): Remove. + +2007-04-06 Jan Hubicka <jh@suse.cz> + + * cgraphunit.c (decide_is_function_needed): Do not keep always_inline + functions. + +2007-04-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (output_387_reg_move): Handle memory operand[0]. + * config/i386/i386.md (*movsf_1, *movdf_nointeger, + *movdf_integer_rex64, *movdf_integer, *movxf_nointeger, + *movxf_integer): Use output_387_reg_move() for x87 reg->mem + alternative. + (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387, + *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto. + +2007-04-05 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (print_operand) [+]: Remove. + (alpha_end_function): Print nop if call at end of function. + * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +. + * config/alpha/alpha.md (UNSPEC_LDGP1): New. + (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New. + (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New. + (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into + the call pattern. Update peepholes to match. + +2007-04-05 Janis Johnson <janis187@us.ibm.com> + + * doc/extend.texi (Other Builtins): Add decimal float variants + of signbit. + * builtins.def: Ditto. + * builtins.c (expand_builtin): Ditto. + +2007-04-05 Uros Bizjak <ubizjak@gmail.com> + H.J. Lu <hongjiu.lu@intel.com> + + PR target/31478 + * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead + of V8HImode when calling ix86_binary_operator_ok. + (sse2_pmaddwd): Call ix86_binary_operator_ok. + (sdot_prodv8hi): Operands 1 and 2 must be register. + +2007-04-05 Alexandre Oliva <aoliva@redhat.com> + + * tree-sra.c (try_instantiate_multiple_fields): Needlessly + initialize align to silence bogus warning. + +2007-04-05 Alexandre Oliva <aoliva@redhat.com> + + PR middle-end/22156 + * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove + all_no_warning. + (struct sra_walk_fns): Remove use_all parameter from use. + (sra_hash_tree): Handle BIT_FIELD_REFs. + (sra_elt_hash): Don't hash bitfld blocks. + (sra_elt_eq): Skip them in parent compares as well. Handle + BIT_FIELD_REFs. + (sra_walk_expr): Don't maintain or pass down use_all_p. + (scan_use): Remove use_all parameter. + (scalarize_use): Likewise. Re-expand assignment to + BIT_FIELD_REF of gimple_reg. De-scalarize before input or + output, and re-scalarize after output. Don't mark anything + for no warning. + (scalarize_ldst): Adjust. + (scalarize_walk_gimple_modify_statement): Likewise. + (build_element_name_1): Handle BIT_FIELD_REFs. + (instantiate_element): Don't warn for any element whose parent + is used as a whole. + (instantiate_missing_elements_1): Return the sra_elt. + (canon_type_for_field): New. + (try_instantiate_multiple_fields): New. + (instantiate_missing_elemnts): Use them. + (mark_no_warning): Removed. + (generate_one_element_ref): Handle BIT_FIELD_REFs. + (REPLDUP, sra_build_elt_assignment): New. + (generate_copy_inout): Use them. + (generate_element_copy): Likewise. Handle bitfld differences. + (generate_element_zero): Don't recurse for blocks. Use + sra_build_elt_assignment. + (generate_one_element_int): Take elt instead of var. Use + sra_build_elt_assignment. + (generate_element_init_1): Adjust. + (scalarize_use, scalarize_copy): Use REPLDUP. + (scalarize_ldst): Move assert before dereference. + (dump_sra_elt_name): Handle BIT_FIELD_REFs. + +2007-04-05 Steven Bosscher <steven@gcc.gnu.org> + + * regmove.c: Fix unused variable warnings due to previous commit. + +2007-04-05 Steven Bosscher <steven@gcc.gnu.org> + + * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize. + (regmove_bb_head): Remove. + (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD. + (regmove_optimize): Don't do unnecessary CFG fixes for non-existing + problems with fixup_match_1. + Don't initialize/free regmove_bb_head. + + (reg_is_remote_constant_p): If an insn is in the same basic block + but not before INSN, consider it remote, too. + +2007-04-05 Anatoly Sokolov <aesok@post.ru> + + PR target/25448 + * config/avr/avr.c (avr_handle_fndecl_attribute): Use the + DECL_ASSEMBLER_NAME, not the DECL_NAME. + +2007-04-05 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat. + (CONDITIONAL_REGISTER_USAGE): Likewise. + +2007-04-04 Richard Henderson <rth@redhat.com> + + * config/alpha/lib1funcs.asm: Remove unused file. + +2007-04-04 Brooks Moses <brooks.moses@codesourcery.com> + + PR other/31356 + * opts.c (print_specific_help): Fix --help=<language> + header line. + (common_handle_option): Support --help=common. + +2007-04-04 Brooks Moses <brooks.moses@codesourcery.com> + + PR other/31353 + * gcc.c (main): Do not run the linker if + print_subprocess_help indicates that it shouldn't be + run. + +2007-04-04 Brooks Moses <brooks.moses@codesourcery.com> + + PR doc/31355 + * doc/invoke.texi (--help=): Document <languages> value, fix + formatting in tables of values. + +2007-04-04 Danny Smith <dannysmith.users.sourceforge.net> + + * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore + dllimport attribute of virtual methods. + +2007-04-04 Chen Liqin <liqin@sunnorth.com.cn> + + * config/score/crti.asm: Change _bss_start to __bss_start. + * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added. + (OUTGOING_REG_PARM_STACK_SPACE) update. + * config/score/score.opt: add options to make backend support + score5, score5u, score7 and score7d. + * config/score/score.md: Likewise. + * config/score/misc.md: Likewise. + * config/score/mac.md: Likewise. + * doc/invoke.texi: Likewise. + * doc/md.texi: update constraints define. + +2007-04-03 Richard Henderson <rth@redhat.com> + + * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield + an appropriate type, use the mode instead. + +2007-04-03 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file. + Set the default --with-arch setting to mips2. + * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES) + (MULTILIB_EXCEPTIONS): Redefine with new multilibs. + (MULTILIB_OSDIRNAMES): Delete. + (MULTILIB_DIRNAMES): Define. + * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC. + (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define. + (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC + definitions, except for _WRS_R3K_EXC_SUPPORT. Call + VXWORKS_OS_CPP_BUILTINS. + (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC. + (MIPS_DEBUGGING_INFO): Undefine. + (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER. + +2007-04-03 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/30704 + * fold-const.c (native_encode_real): Encode real.c provided longs + as a series of 32-bit native integers. + (native_interpret_real): Interpret buffer as a series of 32-bit + native integers. + +2007-04-03 Richard Guenther <rguenther@suse.de> + + * genpreds.c (write_insn_constraint_len): Write function + optimized for CONSTRAINT_LEN implementation. + (write_tm_preds_h): Output insn_constraint_len inline and + use it for CONSTRAINT_LEN. + (write_insn_preds_c): Don't output insn_constraint_len. + * doc/md.texi (define_register_constraint): Document multi-letter + constraints shall have the same length if they start with the same + letter. + +2007-04-03 Uros Bizjak <ubizjak@gmail.com> + + PR target/31175 + * config/i386/i386.md (isinf<mode>2): Expand only when + TARGET_C99_FUNCTIONS is set. + +2007-04-03 Uros Bizjak <ubizjak@gmail.com> + + * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file. + (x86_64-*-linux*): Ditto. + * config/i386/i386.opt (mpc): New option. + * config/i386/i386.c (overrride_options): Handle + ix87_precision_string. + * config/i386/crtprec.c: New file. + * config/i386/t-crtpc: Ditto. + * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64 + and -mpc80 options. + * config/i386/linux64.h (ENDFILE_SPEC): Ditto. + * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add + crtprec32.o, crtprec64.o and crtprec80.o. + + * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64 + and -mpc80 options. + (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options. + +2007-04-02 Eric Christopher <echristo@apple.com> + + * doc/invoke.texi (i386 and x86-64 Options): Document -m64 + limitations on darwin. + +2007-04-02 Anatoly Sokolov <aesok@post.ru> + + PR target/31137 + * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements. + +2007-04-02 Dave Korn <dave.korn@artimi.com> + + * doc/tm.texi (FUNCTION_MODE): Update and extend documentation. + +2007-04-02 Dave Korn <dave.korn@artimi.com> + + * libgcc2.h (exception_descriptor): Don't forward-declare. + (__get_eh_table_language, __get_eh_table_version): Delete + prototypes of long-dead functions. + +2007-04-01 Daniel Berlin <dberlin@dberlin.org> + + * ebitmap.h: New file + * ebitmap.c: New file + * Makefile.in (ebitmap.o): New target. + +2007-04-01 Jan Hubicka <jh@suse.cz> + + * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit + before very first instruction. + +2007-04-01 Jan Hubicka <jh@suse.cz> + + * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid + waring on 64bit hosts. + * bitmap.h: Fix typo in bitmap_head_def. + +2007-04-01 Steven Bosscher <steven@gcc.gnu.org> + + PR rtl-optimization/31391 + * cfgcleanup.c (try_optimize_cfg): If a removed label is turned + into a DELETED_LABEL note, and the label is in an empty basic + block, update BB_END as well as BB_HEAD. + +2007-04-01 Richard Henderson <rth@redhat.com> + + PR tree-optimization/31169 + * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop + to varying if the range is outside [0, prec-1]. + +2007-04-01 Richard Sandiford <richard@codesourcery.com> + + PR target/31388 + * config/mips/mips.md (load_const_gp): New insn. + * config/mips/mips.c (mips_split_symbol): Avoid using or creating + the MIPS16 GP pseudo register if no_new_pseudos. + (mips16_gp_pseudo_reg): Use gen_load_const_gp. + +2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR target/31364 + * config/rs6000/rs6000.md (call): Convert to LR hard reg for + secureplt. + (call_value): Likewise. + +2007-03-31 Wolfgang Bangerth <bangerth@dealii.org> + Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR 14737 + * doc/invoke.texi: (optimization options): Reword description + of -ffast-math. Document its primary purpose. + +2007-03-31 Richard Guenther <rguenther@suse.de> + + * omp-low.c (splay-tree.h): Include. + (lookup_decl): Replace splay-tree usage by pointer-map. + (maybe_lookup_decl): Likewise. + (new_omp_context): Likewise. + (delete_omp_context): Likewise. + * gimplify.c (splay-tree.h): Include. + * tree-inline.c (insert_decl_map): Replace splay-tree usage by + pointer-map. + (remap_ssa_name): Likewise. + (remap_decl): Likewise. + (remap_type_1): Likewise. + (remap_type): Likewise. + (copy_body_r): Likewise. + (expand_call_inline): Likewise. + (clone_body): Likewise. + (copy_tree_r): Likewise. + (remap_save_expr): Likewise. + (unsave_r): Likewise. + (unsave_expr_now): Likewise. + (tree_function_versioning): Likewise. + (build_duplicate_type): Likewise. + * tree-inline.h (pointer-set.h): Include instead of splay-tree.h. + (struct copy_body_data): Replace splay-tree by pointer-map. + * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h, + not $(SPLAY_TREE_H). + (gimplify.o): Depend on $(SPLAY_TREE_H). + (omp-low.p): Likewise. + +2007-03-31 Anatoly Sokolov <aesok@post.ru> + + * config/avr/predicates.md (even_register_operand, + odd_register_operand): New predicates. + * config/avr/avr.md (movw peephole2): New. + (movw_r peephole2): New. + +2007-03-30 Rafael Avila de Espindola <espindola@google.com> + + * tree.h (get_signed_or_unsigned_type): New. + * fold-const.c (operand_equal_for_comparison_p): Use + get_signed_or_unsigned_type instead of + lang_hooks.types.signed_or_unsigned_type. + * expr.c (store_expr): Ditto. + * langhooks.c (get_signed_or_unsigned_type): New. + (lhd_signed_or_unsigned_type): New. + * langhooks.h (lhd_signed_or_unsigned_type): New. + * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define. + +2007-03-30 Richard Henderson <rth@redhat.com> + + * tree-ssa-loop-ivopts.c: Include target.h. + (produce_memory_decl_rtl): Pass the rtx through encode_section_info. + (get_address_cost): Force SYMBOL_FLAG_LOCAL set. + (force_expr_to_var_cost): Use produce_memory_decl_rtl. + * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H. + +2007-03-30 Richard Henderson <rth@redhat.com> + Kai Tietz <kai.tietz@onevision.com> + + * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by + default for 64-bit. + (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit. + (TARGET_64BIT_MS_ABI): New. + (DBX_REGISTER_NUMBER): Handle 64-bit. + (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit. + (LONG_TYPE_SIZE): Force to 32. + (REG_PARM_STACK_SPACE): New. + (OUTGOING_REG_PARM_STACK_SPACE): New. + (REGPARM_MAX, SSE_REGPARM_MAX): New. + (HANDLE_PRAGMA_PUSH_POP_MACRO): New. + (STACK_BOUNDARY): Use 128 for 64-bit. + * config/i386/cygwin.asm: Use push/ret to preserve call stack. + Add 64-bit implementation. + * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor + argument unused. + * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New. + (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI. + Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm + for 64-bit; use TARGET_SUBTARGET64_DEFAULT. + (ix86_handle_cconv_attribute): Don't warn when ignoring if + TARGET_64BIT_MS_ABI. + (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI. + (ix86_pass_by_reference): Likewise. + (ix86_function_value_regno_p): Likewise. + (ix86_build_builtin_va_list): Likewise. + (ix86_va_start, ix86_gimplify_va_arg): Likewise. + (function_arg_advance_ms_64): New. + (function_arg_advance): Call it. + (function_arg_ms_64): New. + (function_arg): Call it. + (function_value_ms_64): New. + (ix86_function_value_1): Call it. + (return_in_memory_ms_64): New. + (ix86_return_in_memory): Call it. + (setup_incoming_varargs_ms_64): New. + (ix86_setup_incoming_varargs): Call it. + (ix86_expand_prologue): Handle 64-bit stack probing. + (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI. + (output_pic_addr_const): Likewise. + (x86_this_parameter): Likewise. + (x86_output_mi_thunk): Likewise. + (x86_function_profiler): Likewise. + (TARGET_STRICT_ARGUMENT_NAMING): New. + * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New. + (TARGET_64BIT_MS_ABI): New. + (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI. + * config/i386/i386.md (allocate_stack_worker): Remove. + (allocate_stack_worker_32): Rename from allocate_stack_worker_1; + describe the clobber of eax without a match_scratch. + (allocate_stack_worker_postreload): Remove. + (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64; + describe the clobbers of rax, r10, r11 properly; use __chkstk symbol. + (allocate_stack_worker_rex64_postreload): Remove. + (allocate_stack): Handle 64-bit. + * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove. + * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit. + (EXTRA_OS_CPP_BUILTINS): Handle 64-bit. + (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT. + (STANDARD_STARTFILE_PREFIX_1): Likewise. + * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New. + * config.build (x86_64-*-mingw*): New host. + * config.host (x86_64-*-mingw*): New host. + * config.gcc (x86_64-*-mingw*): New target. + * gthr-win32.h (__gthread_key_create): Mark dtor unused. + +2007-03-30 Richard Henderson <rth@redhat.com> + Kai Tietz <kai.tietz@onevision.com> + + * c-pragma.c (struct def_pragma_macro_value): New. + (struct def_pragma_macro): New. + (pushed_macro_table): New. + (dpm_hash, dpm_eq): New. + (handle_pragma_push_macro, handle_pragma_pop_macro): New. + (init_pragma): Install them. + * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New. + +2007-03-30 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_override_options): Clear + 'flag_delete_null_pointer_checks'. + +2007-03-30 Paolo Carlini <pcarlini@suse.de> + + PR c++/26099 + * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN, + RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY, + RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR, + RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR, + RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF, + RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM, + RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as + C++ extensions. + * doc/extend.texi (Extensions to the C++ Language): Add Type Traits. + +2007-03-30 Steven Bosscher <steven@gcc.gnu.org> + + * regmove.c: Move all of pass_stack_adjustments from here... + * combine-stack-adj.c: ...to this new file. + * Makefile.in: Add rules for combine-stack-adj.o. + +2007-03-30 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/31383 + * tree-data-ref.c (affine_function_equal_p): Do not require the + vectors to have the same length. + +2007-03-30 Jan Hubicka <jh@suse.cz> + + PR middle-end/30700 + * dwarf2out.c (reference_to_unused): Ask cgraph for functions + availablility; add more sanity checking; ask varpool only about + VAR_DECL. + +2007-03-29 Richard Henderson <rth@redhat.com> + + * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG + to decide, but __SIZEOF_LONG_LONG__. + +2007-03-29 Richard Henderson <rth@redhat.com> + + * emutls.c (struct __emutls_array): New. + (emutls_destroy): Use it instead of casting element 0 from void*. + (__emutls_get_address): Likewise. + +2007-03-29 Richard Henderson <rth@redhat.com> + + * varasm.c (initializer_constant_valid_p): Don't deny + DECL_DLLIMPORT_P on functions. + + * config/i386/cygming.h: Remove function declarations. + (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first. + (ASM_OUTPUT_LABELREF): Remove. + (COMMON_ASM_OP): Remove. + (ASM_OUTPUT_COMMON): Remove. + (ASM_OUTPUT_ALIGNED_DECL_COMMON): New. + (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol. + (ASM_DECLARE_FUNCTION_NAME): Likewise. + * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO): + Rename from TARGET_ENCODE_SECTION_INFO. + * config/i386/netware.h: Likewise. + * config/i386/i386-protos.h: Update. + * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef + of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if. + (legitimate_constant_p): Reject dllimports. + (dllimport_map, get_dllimport_decl): New. + (legitimize_dllimport_symbol): New. + (legitimize_address, ix86_expand_move): Use it. + (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES. + * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove. + (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New. + (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New. + * config/i386/predicates.md (constant_call_address_operand): Only + accept symbols; reject dllimport_p symbols. + * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use + i386_pe_maybe_record_exported_symbol. + * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove. + (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p. + (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p; + trust the setting of DECL_DLLIMPORT_P. + (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove. + (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove. + (gen_stdcall_or_fastcall_suffix): Return NULL if no change required; + tidy the argument scanning loop. + (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and + SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS. + (i386_pe_strip_name_encoding): Remove. + (i386_pe_binds_local_p): New. + (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding. + (i386_pe_output_labelref): Remove. + (i386_pe_asm_output_aligned_decl_common): New. + (i386_pe_maybe_record_exported_symbol): Rename from + i386_pe_record_exported_symbol; check for dllexported symbols. + +2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu> + + * gengtype.c (oprintf): Mostly revert changes from 2007-03-26; + add comment explaining why vsnprintf cannot be used. + +2007-03-29 Douglas Gregor <doug.gregor@gmail.com> + + PR tree-optimization/30666 + * tree.c (build_complex_type): When creating type names for DWARF2 + debug info, create TYPE_DECLs for TYPE_NAME instead of + IDENTIFIER_NODEs. + (build_common_tree_nodes_2): Use build_complex_type when building + predefined complex types, to preserve canonical types. + +2007-03-29 Steven Bosscher <steven@gcc.gnu.org> + + * ifcvt.c (struct noce_if_info): Add then_else_reversed field. + (noce_get_alt_condition): Look at it to determine whether to + reverse the condition or not. + (noce_get_condition): Substitute the truth for lies. + (noce_find_if_block): Set the then_else_reversed field. + +2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de> + + * config/fr30/fr30.md (movdi): Do not accept immediates as the + destination of this insn. + * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather + than calling gen_rtx_SET directly. Use r0 to hold the value of + 'address + 4' rather than a stack based temporary which can be + mis-optimized away. + +2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (s390_secondary_input_reload_class, + s390_secondary_output_reload_class): Functions removed. + (s390_secondary_reload): New function. + (TARGET_SECONDARY_RELOAD): Target macro defined. + * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS, + SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed. + * config/s390/s390.md ("reload_outti", "reload_outdi", + "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>", + "reload_out<mode>"): Expanders removed. + ("reload<mode>_plus", "reload<mode>_nonoffmem_in", + "reload<mode>_nonoffmem_out"): Expanders added. + +2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com> + + * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair + action if SRC->DEST replacement failed anyway. + +2007-03-28 Mike Stump <mrs@apple.com> + + * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add. + * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix. + * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef. + +2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * config.gcc: Accept barcelona as a variant of amdfam10. + * config/i386/i386.c (override_options): Likewise. + * doc/invoke.texi: Likewise. + +2007-03-28 Eric Botcazou <ebotcazou@adacore.com> + + * tree-dfa.c (get_ref_base_and_extent): Do not expect positive + offsets for BIT_FIELD_REF and COMPONENT_REF. + +2007-03-28 Richard Guenther <rguenther@suse.de> + + * tree.c (is_global_var): Move ... + * tree-flow-inline.h (is_global_var): ... here. + * tree.h (is_global_var): Remove declaration. + +2007-03-28 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning + option. + (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option. + * config/i386/i386.c (ix86_tune_features): Initialize new + tuning option. + * config/i386/predicates.md (promotable_binary_operator): Use + TARGET_TUNE_PROMOTE_HIMODE_IMUL. + +2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com> + + PR target/31380 + * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX. + +2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de> + + * config/fr30/fr30.md (movsi_internal): Change destination + constraint from m to V and add m to the end. + +2007-03-28 Christian Bruel <christian.bruel@st.com> + + * config/sh/sh.md (movsi_i): Fix type attribute. + +2007-03-28 Christian Bruel <christian.bruel@st.com> + + * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length. + (movsf_ie): Likewise. + +2007-03-28 Christian Bruel <christian.bruel@st.com> + + * config.gcc: Add sh4-300 to multilib. + * config/sh/t-mlib-sh4-300: New file. + +2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md ("fix_trunc<mode>di2"): New expander. + ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from + fix_trunc<mode>di2. + ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use + fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2. + ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2", + "fixuns_trunctddi2"): Whitespace fix. + +2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after + the definition of struct sh_args. + (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT, + CALL_COOKIE_INT_REG_GET): Likewise. + +2007-03-28 Steven Bosscher <steven@gcc.gnu.org> + + * ifcvt.c (cond_exec_find_if_block): Return FALSE if no + transformations are applied successfully. + +2007-03-27 Douglas Gregor <doug.gregor@gmail.com> + + * tree.c (tree_contains_struct): Permit 512 tree codes. + * tree.h (tree_contains_struct): Ditto. + (MAX_TREE_CODES): Ditto. + (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add + SPARE member to store remaining padding bits. + +2007-03-27 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4' + architecture. + +2007-03-27 Janis Johnson <janis187@us.ibm.com> + + * configure.ac: Fix assembler test for powerpc*-linux decimal float. + * configure: Regenerate. + + * configure: Regenerate using the correct version of autoconf. + +2007-03-27 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack + pointer regs. + * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__" + regs to "__SP_L__" and "__SP_H__". + +2007-03-27 Richard Guenther <rguenther@suse.de> + + * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and + computations with it with a HOST_WIDE_INT variable. + +2007-03-26 Mike Stump <mrs@apple.com> + + * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add + objective-c-header, objective-c++-header and objc++-cpp-output + support. + * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise. + +2007-03-26 Richard Henderson <rth@redhat.com> + + PR target/31361 + * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128, + IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128, + IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128, + IX86_BUILTIN_PSRLQ128): New. + (ix86_init_mmx_sse_builtins): Add them. + (ix86_expand_builtin): Expand them. + * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make + operand 2 be TImode. + * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16, + _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32, + _mm_srli_epi64): Mark __B const. + (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions. + (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16, + _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use + new two-vector shift builtins. + +2007-03-26 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/31345 + * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like + [+INF, +INF(OVF)] into VARYING. + +2007-03-26 Zack Weinberg <zackw@panix.com> + + * gengtype-parse.c: New file. + * gengtype-yacc.y: Delete. + * gengtype-lex.l: Don't include gengtype-yacc.h. + Define YY_DECL and yyterminate appropriately for recursive + descent parser. yylval is now a string out-parameter to yylex. + (HWS, EOID): New shorthand. + (IWORD): Add a couple more types. + (yylex): Add a setup stanza. Remove the complex rules for + detecting GTY'ed types and typedefs; replace with simple + keyword detectors. Adjust everything for the changed + definition of yylval. Ignore all pp-directives, not just #define. + (yyerror): Delete. + (parse_file): Rename yybegin; do not call yyparse. + (yyend): New. + * gengtype.c (xasprintf): Export again. + (this_file): New. Use everywhere __FILE__ was being used. + (get_lang_bitmap): Special case types defined in gengtype.c. + (do_typedef, new_structure): Suppress definition of certain types. + (new_structure): Improve diagnostics of duplicate definitions. + Make sure location_s is associated with input.h. + (nreverse_pairs, define_location_structures): New functions. + (main): Improve tagging of kludge types. Remove old kludges + for input.h types; use define_location_structures. + * gengtype.h: Update prototypes. Define token codes here. + * Makefile.in: Remove all references to gengtype-yacc. + Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o + and gengtype. + * bitmap.h (struct bitmap_head_def): Coalesce definitions, + add GTY((skip)) to the field that's only conditionally there. + * doc/install.texi: Document that Bison is no longer required + unless building treelang. + + * gengtype.c: Don't include gtyp-gen.h. + (srcdir): Declare here. + (base_files, lang_dir_names): Allocate dynamically. + (gt_files, num_gt_files, num_lang_dirs): New globals. + (measure_input_list, read_input_line, read_input_list) + (set_lang_bitmap): New functions. + (get_base_file_bitmap): Rename get_lang_bitmap and drastically + simplify, relying on read_input_list to set up the bitmaps. + (main): Arguments are no longer unused. Check for correct number + of command line arguments, set srcdir and srcdir_len, then call + read_input_list, before doing anything else. No need to worry + about duplicates in main loop. + * configure.ac: Simplify the calculation of all_gtfiles. + Put language tags in there. Don't set or substitute + all_gtfiles_files_langs or all_gtfiles_files_frags. + * Makefile.in: Revamp the way gengtype is invoked, now that it + takes a file on its command line with a much simpler format. + Remove or replace with gtyp-input.list all references to gtyp-gen.h. + (GTFILES): Remove duplicates and C source files. + * c-config-lang.in, cp/config-lang.in, objc/config-lang.in + * objcp/config-lang.in: Add c-pragma.h to gtfiles. + * configure: Regenerate. + + * gengtype.h: Remove all type definitions to gengtype.c; leave + only definitions of options_p, type_p, and pair_p as opaque + pointers. Update prototypes. + * gengtype.c: Many type definitions moved here from gengtype.h. + Consolidate type definitions at the top of the file. + (xvasprintf): Delete. + (xasprintf): Make static. + (create_nested_pointer_option): Add 'next' parameter. + (create_field_all, create_field_at): New functions. + (create_field): Now a thin wrapper around create_field_all. + (create_optional_field): Rename create_optional_field_ and add + line argument. Original name is now a macro which supplies + __LINE__. + (oprintf): Use vsnprintf directly. + (close_output_files): Use fatal rather than perror/exit. + (note_def_vec, note_def_vec_alloc): Use create_field_at. + (main): Set progname. Don't use exit. + * gengtype-yacc.y (struct_fields): Use create_field_at. + (option, optionseqopt): Delete. + (optionseq): Consolidate productions from option here so we + can use the first argument to create_option. + + * gengtype-lex.l: Distinguish unions from structures in the + token type. Don't call find_structure; return the tag as a string. + * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and + ENT_UNION. Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is + string. Reorganize typedef_struct production accordingly. + Use create_nested_ptr_option. + * gengtype.c (create_nested_ptr_option): New function. + * gengtype.h: Declare it. + + * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char. + (string_type): Don't declare. + (do_scalar_typedef): Declare. + (create_scalar_type): Update prototype. + * gengtype.c (string_type): Make static. + (scalar_nonchar, scalar_char): New. + (do_scalar_typedef): Export. Always use scalar_nonchar for the type. + (resolve_typedef): Use scalar_nonchar for error recovery. + (create_scalar_type): Remove name_len field. Return scalar_char + or scalar_nonchar as appropriate. + (adjust_field_type): Look at scalar_is_char boolean to decide whether + to use string_type. + (throughout): Use scalar_nonchar instead of calling + create_scalar_type, whenever possible. + (main): Initialize scalar_char and scalar_nonchar before calling + gen_rtx_next. + * gengtype-lex.l: Adjust for removal of second argument to + create_scalar_type. Use yylval.s instead of yylval.t when + returning SCALAR. + * gengtype-yacc.y: Type of SCALAR is string. Call + create_scalar_type from type:SCALAR rule. Adjust for removal of + second argument to create_scalar_type. + + * vec.h: Remove all #if IN_GENGTYPE blocks. + Add comment saying that changes may require adjustments to gengtype. + * gengtype.c: Don't include coretypes.h or tm.h. + Add comment to inclusion of errors.h. + (note_def_vec, note_def_vec_alloc): New functions. + * gengtype.h: Declare new functions. + * gengtype-lex.l: Don't include coretypes.h. + (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name): + Delete. + (update_lineno): Remove unnecessary prototype. + (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc. + (VEC rule): Just return VEC_TOKEN. + * gengtype-yacc.y (VEC_TOKEN): New token type. + (type): Add a production for VEC(a,b). + * Makefile.in: Update dependencies. + + * gengtype-lex.l: Remove rules for parsing pointer-to-function + typedefs that use the old PARAMS macro. + + * gengtype-lex.l: Remove all rules and states relating to yacc + input files. + * gengtype-yacc.y: Similarly. + * gengtype.c (note_yacc_type): Delete function. + * gengtype.h: Update prototypes. + +2007-03-26 Joseph Myers <joseph@codesourcery.com> + + * tree-pretty-print.c (dump_generic_node): Report precision of + unnamed integer types. + +2007-03-26 Steven Bosscher <steven@gcc.gnu.org> + + * ifcvt.c (noce_try_store_flag_constants): Don't check + no_new_pseudos here. + (noce_try_store_flag_constants): Don't check no_new_pseudos. + (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith, + noce_try_cmove_arith, noce_try_minmax, noce_try_abs, + noce_try_sign_mask): Likewise. + (if_convert): Check no_new_pseudos here. + + (cond_exec_process_if_block, noce_process_if_block, find_if_block): + Remove prototypes. + (struct noce_if_info): Add then_bb, else_bb, join_bb members. + (noce_get_condition): Handle new then_else_reversed argument. + (noce_init_if_info): Remove, fold into noce_find_if_block. + (noce_process_if_block): Take a struct noce_if_info as the + argument. Don't set up one based on ce_if_info. Update pointer + references accordingly. + (cond_move_process_if_block): Likewise. + (process_if_block): Removed. + (find_if_block): Removed. Move functionality two new functions, + noce_find_if_block and cond_exec_find_if_block. + (noce_find_if_block): New function. Be aware of IF-THEN-JOIN + blocks and the symmetric IF-ELSE-JOIN case. + (cond_exec_find_if_block): Also new function mostly based on old + find_if_block and process_if_block. + (find_if_header): Replace find_if_block call with separately + guarded calls to noce_find_if_block and cond_exec_find_if_block. + (find_cond_trap): Update noce_get_condition call. + (dead_or_predicable): Likewise. + +2007-03-26 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD): + Remove. + (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, + IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, + IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove. + (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and + v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128, + __builtin_ia32_pslld128, __builtin_ia32_psllq128, + __builtin_ia32_psrlw128, __builtin_ia32_psrld128, + __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and + __builtin_ia32_psrad128 builtins. + +2007-03-26 Uros Bizjak <ubizjak@gmail.com> + + * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert(). + * config/i386/constraints.md + (define_constraint "I"): Use IN_RANGE macro. + (define_constraint "J"): Ditto. + (define_constraint "K"): Ditto. + (define_constraint "M"): Ditto. + (define_constraint "N"): Ditto. + (define_constraint "O"): Ditto. + * config/i386/predicates.md + (define_predicate "register_no_elim_operand"): Use IN_RANGE macro. + (define_predicate "const_0_to_3_operand"): Ditto. + (define_predicate "const_0_to_7_operand"): Ditto. + (define_predicate "const_0_to_15_operand"): Ditto. + (define_predicate "const_0_to_63_operand"): Ditto. + (define_predicate "const_0_to_255_operand"): Ditto. + (define_predicate "const_1_to_31_operand"): Ditto. + (define_predicate "const_2_to_3_operand"): Ditto. + (define_predicate "const_4_to_7_operand"): Ditto. + +2007-03-25 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR + in SImode for save_world. + * config/rs6000/altivec.md (save_world, restore_world): Convert to + LR hard reg. + +2007-03-25 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/30784 + * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case + BIT_FIELD_REF. + +2007-03-25 Revital Eres <eres@il.ibm.com> + + * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): + Fold movement_possibility function into it. + +2007-03-25 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0. + (load_macho_picbase_{si,di}): Convert to LR hard reg. + (call_indirect_nonlocal_darwin64): Same. + (call_nonlocal_darwin64): Same. + (call_value_indirect_nonlocal_darwin64): Same. + (call_value_nonlocal_darwin64): Same. + (sibcall_nonlocal_darwin64): Same. + (sibcall_value_nonlocal_darwin64): Same. + (sibcall_symbolic_64): Same. + (sibcall_value_symbolic_64): Same. + * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove + LR pseudo. + (rs6000_emit_load_toc_table): Same. + * config/rs6000/altivec.md (restore_world): Convert to LR hard reg. + * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg. + (mull_call): Same. + (divss_call): Same. + (divus_call): Same. + (quoss_call): Same. + (quous_call): Same. + (load_toc_v4_pic_si): Same + (load_toc_v4_PIC_1): Same. + (load_toc_v4_PIC_1b): Same. + (call_indirect_aix{32,64}): Same. + (call_value_indirect_aix{32,64}): Same. + (call): Same. + (call_value): Same. + (call_local{32,64}): Same. + (call_value_local{32,64}): Same. + (call_indirect_nonlocal_aix{32,64}): Same. + (call_nonlocal_aix{32,64}): Same. + (call_value_indirect_nonlocal_aix{32,64}): Same. + (call_value_nonlocal_aix{32,64}): Same. + (call_indirect_nonlocal_sysv<mode>): Same. + (call_nonlocal_sysv<mode>): Same. + (call_value_indirect_nonlocal_sysv<mode>): Same. + (call_value_nonlocal_sysv<mode>): Same. + (sibcall): Same. + (sibcall_local{32,64}): Same. + (sibcall_value_local{32,64}): Same. + (sibcall_nonlocal_aix{32,64}): Same. + (sibcall_value_nonlocal_aix{32,64}): Same. + (sibcall_nonlocal_sysv<mode>): Same. + (sibcall_value): Same. + (sibcall_value_nonlocal_sysv<mode>): Same. + +2007-03-24 Paul Brook <paul@codesourcery.com> + + * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push. + * config/arm/linux-eabi.h: Remove legacy syscall hack. + +2007-03-24 Richard Henderson <rth@redhat.com> + + * config/ia64/constraints.md: New file. + * config/ia64/predicates.md: Replace CONST_OK_FOR_? with + satisfies_constraint_?. + * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p, + ia64_reload_gp, spill_restore_mem, ia64_expand_prologue, + ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs, + ia64_output_mi_thunk): Likewise. + (ia64_const_ok_for_letter_p): Remove. + (ia64_const_double_ok_for_letter_p): Remove. + (ia64_extra_constraint): Remove. + * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove. + (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, + CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P, + CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G, + CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT, + EXTRA_MEMORY_CONSTRAINT): Remove. + * config/ia64/ia64.md: Include constriants.md. Replace + CONST_OK_FOR_? with satisfies_constraint_?. + +2007-03-23 Michael Meissner <michael.meissner@amd.com> + H.J. Lu <hongjiu.lu@intel.com> + + * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the + DPD or BID name. + (name macros): Use DPD_BID_NAME to convert names properly. + + * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current + decimal floating point format. + (init_floating_libfuncs): Change decimal functions so that they + have a "bid_" prefix if the decimal system uses the BID format, + and "dpd_" prefix if the decimal system uses the DPD format. + (init_interclass_conv_libfuncs): Ditto. + (init_intraclass_conv_libfuncs): Ditto. + + * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are + using the BID format. + + * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say + whether we are using the BID decimal format. + * configure: Regenerate. + + * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if + the compiler has decimal floating point enabled. Define + __DECIMAL_BID_FORMAT__ if BID decimal floating point is used + instead of DPD. + + * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are + using the BID format. + + * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say + whether we are using the BID decimal format. + * configure: Regenerate. + + * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if + the compiler has decimal floating point enabled. Define + __DECIMAL_BID_FORMAT__ if BID decimal floating point is used + instead of DPD. + + * doc/install.texi (--enable-decimal-float): Document BID and DPD + options, and that it is enabled for i386/x86_64 systems. + + * Makefile.in (enable_decimal_float): New. + (DECNUMFMT): New. + (DECNUMINC): Add -I$(DECNUMFMT). + (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h + to $(DECNUMFMT) from $(DECNUM). + + * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}. + Substitute enable_decimal_float. + * configure: Regenerated. + + PR other/30529 + * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of + unsigned long. + + * configure.ac: Enable decimal float for x86_64-*-linux*. + * configure: Regenerated. + + PR other/30530 + * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and + decimal128ClearSign to flip and clear the sign bit in decimal128. + (decimal_real_maxval): Set decimal128SetSign to set the sign + bit in decimal128. + +2007-03-23 Ian Lance Taylor <iant@google.com> + + * fold-const.c (fold_binary): Correct warning for X - c >= X. + +2007-03-23 Ian Lance Taylor <iant@google.com> + + * tree-dump.c (dump_files): Correct comment. + +2007-03-23 Ian Lance Taylor <iant@google.com> + + * tree-vrp.c (operand_less_p): Ignore fold overflow warnings. + +2007-03-23 Steven Bosscher <steven@gcc.gnu.org> + + * tracer.c (tracer): Don't take FLAGS argument. Assert we are + in cfglayout mode. Don't go into and out of cfglayout mode. + Link the blocks in the order of the constructed traces. + (rest_of_handle_tracer): Adjust call to tracer. + * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode. + Don't go into cfglayout mode. + (rtl_loop_done): Don't go out of cfglayout mode. + * cfglayout.c (relink_block_chain): New function, split out from... + (fixup_reorder_chain): ...here. Remove redundant checking. + (cfg_layout_finalize): Don't clear the header, footer, and aux + fields here, move the code to do so to relink_block_chain. Likewise + for free_original_copy_tables. + * rtl.h (tracer): Update prototype. + * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument. + Assert we are in cfglayout mode. Don't go into and out of cfglayout + mode. Use relink_block_chain to serialize the CFG according to the + new basic block order. Move targetm.cannot_modify_jumps_p check from + here... + (gate_handle_reorder_blocks): ...to here. + (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check + from here... + (gate_duplicate_computed_gotos): ...to here. + (rest_of_handle_reorder_blocks): Don't see if anything has changed, + something always changes when going into and out of cfglayout mode. + Perform an expensive cfg cleanup while going into cfglayout mode. + Always update liveness information on HAVE_conditional_execution + targets. Reserialize the basic blocks and go out of cfglayout mode. + * reg-stack.c: Include cfglayout.h. + (rest_of_handle_stack_regs): Go into and out of cfglayout mode around + the call to reorder_basic_blocks. + * basic-block.h (reorder_basic_blocks): Update prototype. + (relink_block_chain): New prototype. + * passes.c (pass_outof_cfg_layout_mode): Move after cse2. + +2007-03-23 Joseph Myers <joseph@codesourcery.com> + + * config/mips/mips.md (type, hazard, *movdi_32bit, + *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc, + *movhi_internal, *movqi_internal, *movsf_hardfloat, + *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat, + movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high, + mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as + applicable. + (movcc): Change first xfer to multi. + * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md, + config/mips/5000.md, config/mips/5400.md, config/mips/5500.md, + config/mips/5k.md, config/mips/7000.md, config/mips/9000.md, + config/mips/generic.md: Change reservations using "xfer" to use + "mfc,mtc". + * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of + using match_operand. + (ir_sb1_mfxfer): Use "mfc" instead of using match_operand. + * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of + examining mode. + (ir_sr70_xfer_to): Use "mtc" instead of examining mode. + +2007-03-22 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c: Remove unnecessary function declarations. + Move targetm definition, and all related macros, to the end of + the file. Resort some functions to put definitions before uses. + (ix86_attribute_table): Make static. Move to end of file. + (ix86_gimplify_va_arg): Make static. + +2007-03-22 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit; + don't increase local_regparm with force_align_arg_pointer check. + (ix86_function_sseregparm): Assert 32-bit. + (type_has_variadic_args_p): New. + (ix86_return_pops_args): Early exit for 64-bit. Reindent; use + type_has_variadic_args_p. + (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax. + (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum; + use memset instead. Do maybe_vaarg check first; skip attribute + tests if true; skip attribute tests for 64-bit. + (construct_container): Remove TARGET_DEBUG_ARG. + (function_arg_advance_32, function_arg_advance_64): Split out ... + (function_arg_advance): ... from here. + (function_arg_32, function_arg_64): Split out ... + (function_arg): ... from here. + (ix86_pass_by_reference): Tidy. + (ix86_function_value_regno_p): Rearrange w/ switch on regno. + (function_value_32): New, from parts of ix86_function_value + and ix86_value_regno. + (function_value_64): New, from parts of ix86_function_value + and ix86_libcall_value. + (ix86_function_value_1): New. + (ix86_function_value, ix86_libcall_value): Use it. + (return_in_memory_32, return_in_memory_64): Split out ... + (ix86_return_in_memory): ... from here. + (ix86_struct_value_rtx): Skip for 64-bit. + (ix86_libcall_value, ix86_value_regno): Remove. + (setup_incoming_varargs_64): Split out ... + (ix86_setup_incoming_varargs): ... from here. + (ix86_va_start): Remove TARGET_DEBUG_ARG. + (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR. + * config/i386/i386-protos.h (ix86_function_value): Remove. + * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove. + +2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR other/23572 + * c-lex.c (interpret_float): On overflow, emit pedantic warning if + infinities not supported, otherwise emit warning if -Woverflow. On + underflow, emit warning if -Woverflow. + * real.c (real_from_string): Return -1 if underflow, +1 if overflow + and 0 otherwise. + * real.h (real_from_string): Update declaration + +2007-03-22 Kai Tietz <kai.tietz@onevision.com> + Richard Henderson <rth@redhat.com> + + * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default. + * calls.c (compute_argument_block_size, expand_call, + emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE. + * expr.c (block_move_libcall_safe_for_call_parm): Likewise. + * function.c (STACK_DYNAMIC_OFFSET): Likewise. + * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update. + * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h, + config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h, + config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h, + config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE): + Set to 1. + +2007-03-22 Joseph Myers <joseph@codesourcery.com> + + * c-incpath.c (add_sysroot_to_chain): New. + (merge_include_chains): Add sysroot argument. Call + add_sysroot_to_chain if sysrooted. + (register_include_chains): Update call to merge_include_chains. + * doc/cppopts.texi: Document use of '=' in include directory + arguments. + +2007-03-22 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf. + Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P. + (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize + insn pattern using X87MODEF12 mode macro. + +2007-03-21 Seongbae Park <seongbae.park@gmail.com> + + * regmove.c (regmove_optimize): Use reg_mentioned_p + instead of reg_overlap_mentioned_p for DST. + +2007-03-21 Mike Stump <mrs@apple.com> + + * c.opt: Fixup for Objective-C/C++. + +2007-03-21 Steve Ellcey <sje@cup.hp.com> + + * explow.c (convert_memory_address): Fold memory reference when + POINTERS_EXTEND_UNSIGNED < 0 + +2007-03-21 Richard Henderson <rth@redhat.com> + + PR target/31245 + * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias. + * config/i386/mmintrin.h (__m64): Likewise. + * config/i386/xmmintrin.h (__m128): Likewise. + +2007-03-21 Richard Sandiford <richard@codesourcery.com> + + * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options. + (VXWORKS_OS_CPP_BUILTINS): Define. + * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into... + (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS. + +2007-03-21 Richard Sandiford <richard@codesourcery.com> + + * rtl.h (constant_pool_reference_p): Delete. + (find_constant_src): Declare. + * rtlanal.c (find_constant_src): New function. + * simplify-rtx.c (constant_pool_reference_p): Delete. + * config/i386/i386.md: Use find_constant_src instead of + constant_pool_reference_p/avoid_constant_pool_reference pairs. + +2007-03-21 Richard Sandiford <richard@codesourcery.com> + + * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__. + * c-cppbuiltin.c (c_cpp_builtins): Define them. + +2007-03-20 Mark Mitchell <mark@codesourcery.com> + + * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define. + * config/arm/arm.c (arm_elf_asm_cdtor): New function. + (arm_elf_asm_constructor): Use it. + (arm_elf_asm_destructor): New function. + +2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com> + + * jump.c (mark_jump_label): Treat SEQUENCE specially. + +2007-03-20 Nathan Sidwell <nathan@codesourcery.com> + + * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks. + +2007-03-19 Andrew Haley <aph@redhat.com> + + PR tree-optimization/31264 + * tree-vrp.c (register_edge_assert_for_1): Don't look though + VIEW_CONVERT_EXPRs. + +2007-03-19 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/30907 + * fwprop.c (forward_propagate_into): Never propagate inside a loop. + (fwprop_init): Always call loop_optimizer_initialize. + (fwprop_done): Always call loop_optimizer_finalize. + (fwprop): We always have loop info now. + (gate_fwprop_addr): Remove. + (pass_fwprop_addr): Use gate_fwprop as gate. + + PR rtl-optimization/30841 + * df-problems.c (df_ru_local_compute, df_rd_local_compute, + df_chain_alloc): Call df_reorganize_refs unconditionally. + * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change + refs_organized to refs_organized_size. + (df_ref_create_structure): Use refs_organized_size instead of + bitmap_size if refs had been organized, and keep refs_organized_size + up-to-date. + * df.h (struct df_ref_info): Change refs_organized to + refs_organized_size. + (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of + bitmap_size. + +2007-03-19 Mark Mitchell <mark@codesourcery.com> + + * except.c (output_function_exception_table): Do not reference the + EH personality routine for functions that do not require an + exception table. + +2007-03-20 Jakub Jelinek <jakub@redhat.com> + + PR c/30762 + * c-typeck.c (convert_for_assignment): Call comptypes for + RECORD_TYPE or UNION_TYPE. + + PR inline-asm/30505 + * reload1.c (reload): Do invalid ASM checking after + cleanup_subreg_operands. + +2007-03-19 Jeff Law <law@redhat.com> + + * tree-cfg.c (find_taken_edge): Tighten conditions for + optimizing computed gotos. + +2007-03-19 Michael Matz <matz@suse.de> + + * builtins.c (expand_builtin_sync_operation, + expand_builtin_compare_and_swap, + expand_builtin_lock_test_and_set): Care for extending CONST_INTs + correctly. + + * config/i386/sync.md (sync_double_compare_and_swapdi_pic, + sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint + for operand 3. + +2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com> + + * doc/tm.texi: Add brackets around the return type of + TARGET_SECONDARY_RELOAD. + +2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com> + Richard Guenther <rguenther@suse.de> + + PR tree-optimization/31254 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): + Use handled_component_p () where appropriate. Continue + propagating into the rhs if we propagated into an INDIRECT_REF + on the lhs. + +2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md (op_type attribute): RRR instruction type added. + (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros. + (xde, xdee): Mode attributes adjusted to support DFP modes. + (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added. + ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters, + DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3", + "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3", + "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3", + "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc", + "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP + numbers. + ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31", + "movsf"): Insn definitions removed. + ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp", + "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2", + "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn + definitions added. + ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>", + "reload_in<mode>", "reload_out<mode>"): Expander added. + ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"): + Expander removed. + +2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md: Only non-functional changes. Renamed + FPR mode macro to BFP all over the file. + +2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md (UNSPEC_COPYSIGN): New constant. + (op_type attribute): RRF instruction type added. + (fT0): New mode attribute. + ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc", + "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added. + * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new + instruction no secondary memory is needed when moving DFmode values + between GPRs and FPRs. + +2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value + inverted and documentation adjusted. + ("mhard-dfp", "msoft-dfp"): New options. + * config/s390/s390.c (s390_handle_arch_option): New architecture + switch: z9-ec. + (override_options): Sanity checks for the new options added. + * config.gcc: New architecture switch: z9-ec. + * config/s390/s390.h (processor_flags): PF_DFP added. + (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added. + (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled + when the bit is NOT set so remove it from the defaults. + +2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com> + + * genemit.c (main): Print include statement for dfp.h. + * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum + is not available. + +2007-03-19 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here. + +2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/31022 + * config/sh/sh.c (sh_adjust_cost): Use the result of single_set + instead of PATTERN. + +2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (output_deferred_plabels, output_bb, output_millicode_call, + attr_length_call, output_call, output_indirect_call): Cleanup + formatting of targetm calls. + +2007-03-19 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1. + +2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.md: Add fpstore_load and store_fpload instruction types. Provide + reservation, bypass and anti-bypass descriptions for these + instructions. Update move patterns. + * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and + TYPE_FPSTORE. + +2007-03-18 Dorit Nuzman <dorit@il.ibm.com> + + * tree-vect-transform.c (get_initial_def_for_induction): Replace + GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS. + (get_initial_def_for_reduction): Likewise. + +2007-03-16 Daniel Berlin <dberlin@dberlin.org> + + Fix PR tree-optimization/29922 + * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members. + (get_representative): Removed. + (value_dies_in_block_x): Update for rvuse removal. + (valid_in_sets): Update for renaming of vuses_dies_in_block_x. + (compute_antic_aux): Handle when PHI nodes appear in + non-single-successors. + (dump_bitmap_of_names): Removed. + (compute_antic_safe): Renamed and removed rvuse calculation. + Calculate only antic safe. + (insert_into_preds_of_block): Remove assert. + (execute_pre): Update for renamed functions. + (defer_or_phi_translate_block): New function. + +2007-03-17 Kazu Hirata <kazu@codesourcery.com> + + * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c, + config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment + typos. + * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos. + Follow spelling conventions. + + * tree-data-ref.h: Remove the prototype for analyze_array. + +2007-03-17 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/31041 + * tree-vect-transform.c (get_initial_def_for_induction): Call + force_gimple_operand. + +2007-03-17 Olga Golovanevsky <olga@il.ibm.com> + + * ipa-type-escape.c (look_for_casts) : Revert code to use + handled_component_p due to ada test a-numaux.adb. + +2007-03-17 Kazu Hirata <kazu@codesourcery.com> + + * final.c (final_scan_insn): Alter the condition of a + conditional trap if we have nonstandard CC. + +2007-03-16 Alexandre Oliva <aoliva@redhat.com> + + * configure.ac: Remove excess quoting from asm line 0 test. + * configure: Rebuilt. + +2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * doc/invoke.texi (-Wconversion): Document warnings specific to C++. + * c-common.c (convert_and_check): Move warning logic to... + (warnings_for_convert_and_check): ...here. Define. + * c-common.h (warnings_for_convert_and_check): Declare. + +2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (attr_length_call): Partially revert change of 2007-03-09. + (output_call): Likewise. + +2007-03-16 Richard Sandiford <richard@codesourcery.com> + + * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define. + +2007-03-16 Richard Sandiford <richard@codesourcery.com> + + * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define. + +2007-03-16 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8, + opteron, athlon-64 and athlon-fx processor_alias_table entries. + +2007-03-16 Sebastian Pop <sebastian.pop@inria.fr> + + PR tree-optimization/31183 + * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops): + Use double_int instead of unsigned int for representing access_strides. + * testsuite/gcc.dg/tree-ssa/pr31183.c: New. + +2007-03-16 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/31146 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure + to allow recursion of forward_propagate_addr_expr. + (forward_propagate_addr_into_variable_array_index): Likewise. + (forward_propagate_addr_expr): Likewise. + (tree_ssa_forward_propagate_single_use_vars): Likewise. + (forward_propagate_addr_expr_1): Recurse on simple copies + instead of propagating into them. Do so for useless conversions + as well. + (forward_propagate_addr_expr): Clean up unused statements after + recursion. + +2007-03-16 Richard Guenther <rguenther@suse.de> + + * builtins.c (expand_builtin_cexpi): Use the right argument + for the expansion via cexp. + +2007-03-16 Alexandre Oliva <aoliva@redhat.com> + + * configure.ac: Don't require ELF binutils to tolerate # 0 "". + * configure: Rebuilt. + +2007-03-16 Alexandre Oliva <aoliva@redhat.com> + + PR debug/29906 + * dwarf2out.c (force_type_die): Adjust comment. + (dwarf2out_imported_module_or_decl): Handle base AT_import types. + +2007-03-15 DJ Delorie <dj@redhat.com> + + * config/frv/predicates.md (minmax_operator): Don't check operands + here. + +2007-03-15 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument. + Update constant estimates of number of iterations. + (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p" + argument renamed to "realistic". + (compute_estimated_nb_iterations): Removed. + (record_niter_bound): New function. + (idx_infer_loop_bounds): For possible but unlikely tail arrays, + call record_nonwrapping_iv with upper = false. + (infer_loop_bounds_from_signedness): Pass upper argument to + record_nonwrapping_iv. + (estimate_numbers_of_iterations_loop): Do not call + compute_estimated_nb_iterations. Record estimate based on profile + information. Initialize the constant estimates of number of + iterations. + * tree-data-ref.c (estimated_loop_iterations): Return the recorded + estimates. + * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when + number of iterations is too small. + * cfgloop.h (struct nb_iter_bound): Remove "realistic" field. + (EST_NOT_AVAILABLE): Removed. + (struct loop): Replace estimated_nb_iterations by any_upper_bound, + nb_iterations_upper_bound, any_estimate and nb_iterations_estimate + fields. + +2007-03-15 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference): + Handle NE_EXPR guards. + +2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c++/24924 + * c-opts.c (c_common_post_options): Handle C++ post-processing here. + Set also -pedantic-errors by default for the preprocessor unless + -fpermissive is given. + +2007-03-15 Richard Guenther <rguenther@suse.de> + + PR middle-end/29719 + PR middle-end/31161 + * builtins.c (expand_builtin_cexpi): As a fallback if we + don't have builtins for sincos or cexp create a function + declaration for cexp and expand to a call to that. + (expand_builtin_int_roundingfn): Always fall + back to floor/ceil and its variants even if they may be + not available. + +2007-03-15 Steven Bosscher <steven@gcc.gnu.org> + + PR middle-end/31159 + * cfglayout.c (fixup_reorder_chain): Postpone deleting dead + jump tables, move the call to delete_dead_jumptables from here... + (cfg_layout_finalize): ...to here. But rebuild jump labels first. + * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing, + don't allow merging of blocks that try_redirect_by_replacing_jump + also does not handle when not optimizing. + +2007-03-15 Uros Bizjak <ubizjak@gmail.com> + Francois-Xavier Coudert <coudert@clipper.ens.fr> + + * config/i386/i386.md (x86_sahf_1): Correctly handle + HAVE_AS_IX86_SAHF. + +2007-03-15 Uros Bizjak <ubizjak@gmail.com> + + PR target/31167 + * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use + x86_64_general_operand as operand[2] predicate. Remove "iF" + from operand constraints and use "e" constraint instead. + (*subti3_1, *subti3_1 splitter): Ditto. + (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as + operand[1] predicate. + +2007-03-14 Sebastian Pop <sebastian.pop@inria.fr> + + * tree-loop-linear.c (gather_interchange_stats): For multidimensional + arrays, multiply the access strides by the size of the sub-array. + * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New. + +2007-03-14 Uros Bizjak <ubizjak@gmail.com> + + * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether + the configured assembler supports the sahf mnemonic. + * configure: Regenerate. + * config.in: Regenerate. + + * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF, + emit "sahf" or ".byte\t0x9e" as asm template. + +2007-03-14 Michael Meissner <michael.meissner@amd.com> + + PR 31018 + * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning + option to replace hard coded TARGET_xxx in md file. + (X86_TUNE_AVOID_VECTOR_DECODE): Ditto. + (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto. + (X86_TUNE_SLOW_IMUL_IMM8): Ditto. + (X86_TUNE_MOVE_M1_VIA_OR): Ditto. + (X86_TUNE_NOT_UNPAIRABLE): Ditto. + (X86_TUNE_NOT_VECTORMODE): Ditto. + (TUNE_SHORTEN_X87_SSE): Use new tuning option. + (TUNE_AVOID_VECTOR_DECODE): Ditto. + (TUNE_SLOW_IMUL_IMM32_MEM): Ditto. + (TUNE_SLOW_IMUL_IMM8): Ditto. + (TUNE_MOVE_M1_VIA_OR): Ditto. + (TUNE_NOT_UNPAIRABLE): Ditto. + (TUNE_NOT_VECTORMODE): Ditto. + + * config/i386/i386.c (ix86_tune_features): Fill in new tuning + options. + + * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new + tuning options instead of hard coded TARGET_xxx. + (fix ssemode peephole2's): Ditto. + (imul peephole2's): Ditto. + (movsi_or): Ditto. + (movdi_or_rex64): Ditto. + (move peephole2): Ditto. + (not peephole2's): Ditto. + +2007-03-14 Dirk Mueller <dmueller@suse.de> + + * c-common.h (empty_body_warning): Rename to empty_if_body_warning. + * c-common.c (empty_if_body_warning): Rephrase diagnostic message. + * c-parser.c (c_parser_if_body): Always add an empty statement in case + of empty body. + * c-parser.c (c_parser_do_statement): Warn about empty body in + do/while statement. + * c-typeck (c_finish_if_stmt): Call empty_if_body_warning. + * doc/invoke.texi (-Wempty-body): Update documentation. + +2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c/21438 + * c-common.h (warn_for_div_by_zero): Declare. + * c-common.c (warn_for_div_by_zero): Define. + * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of + warning. + +2007-03-14 Richard Sandiford <richard@codesourcery.com> + + * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators + to PREFIX and STANDARD_PREFIX. + +2007-03-14 Richard Sandiford <richard@codesourcery.com> + Phil Edwards <phil@codesourcery.com> + + * gthr-vxworks.h: Add an extern "C" wrapper for C++. + (__gthread_once_t): Remove busy field for RTPs. + (__GTHREAD_ONCE_INIT): Update accordingly. + +2007-03-14 Richard Sandiford <richard@codesourcery.com> + + * doc/invoke.texi: Document VxWorks options. + +2007-03-14 Uros Bizjak <ubizjak@gmail.com> + + * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option. + +2007-03-13 Seongbae Park <seongbae.park@gmail.com> + + PR tree-optimization/30590 + * tree-nrv.c (tree_nrv): Check for the partial update of the + return value. + +2007-03-13 Alexandre Oliva <aoliva@redhat.com> + + * flags.h (flag_random_seed): Remove declaration, in favor of... + * toplev.h (get_random_seed, set_random_seed): ... these. + * tree.c (get_file_function_name): Use the former. + * opts.c (common_handle_option): Use the latter. + * toplev.c + +2007-03-13 Steven Bosscher <steven@gcc.gnu.org> + + PR middle-end/31127 + * cse.c (cse_find_path): Do not bail out if a basic block that + we already visited now becomes part of a path that starts at a + different basic block. Just disallow this, to make sure we + visit each basic block at most once. + +2007-03-13 Jan Hubicka <jh@suse.cz> + + * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold + attributes, when profile esitmate is present, calls with very low + frequency are cold. + +2007-03-13 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/30730 + PR tree-optimization/26900 + * tree-ssa-loop-niter.c: Include gmp.h. + (bounds): New type. + (mpz_set_double_int, get_type_bounds, mpz_to_double_int, + split_to_var_and_offset, determine_value_range, + bound_difference_of_offsetted_base, refine_bounds_using_guard, + bound_difference, bounds_add, bounds_negate, + number_of_iterations_ne_max, dump_affine_iv): New functions. + (number_of_iterations_ne, number_of_iterations_lt_to_ne, + assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the + difference of initial and final value of control iv to validate + results. + (number_of_iterations_cond): Add loop parameter. Determine bounds + on the difference of the extremes of the control iv. Add dumps. + (expand_simple_operations): Handle phi nodes. + (simplify_using_initial_conditions): Do not record used conditions. + (number_of_iterations_exit): Pass loop to number_of_iterations_cond. + Do not set additional_info. + (implies_nonnegative_p, implies_ge_p): Removed. + (derive_constant_upper_bound): Do not use parameter `additional'. + (record_estimate): Parameter `additional' removed. Parameter + `i_bound' added. Do not call derive_constant_upper_bound. + (record_nonwrapping_iv): Use derive_constant_upper_bound to + bound the number of iterations estimate. + (estimate_numbers_of_iterations_loop): Pass the estimate from + the number of iterations analysis to record_estimate. + * tree.h (multiple_of_p): Declare. + * tree-scalar-evolution.c (expression_expensive_p): Removed. + (scev_const_prop): Do not check expression_expensive_p. + * fold-const.c (multiple_of_p): Exported. + * double-int.c (double_int_mask): Exported. + * double-int.h (double_int_mask): Declare. + * tree-flow.h (struct tree_niter_desc): Removed additional_info + field. Added max field. + +2007-03-13 David Taylor <taylor@candd.org> + + PR driver/12448 + * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass + default -MQ. + +2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/31123 + * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for + two unamed patterns. + +2007-03-13 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.opt (mcx16, msahf): New options. + * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove. + (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC. + + * config/i386/driver-i386.c (bit_LAHF_LM): New define. + (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits. + Output -mcx16 and -msahf options when corresponding bit is set. + + * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16 + and -msahf options. + +2007-03-13 Alexandre Oliva <aoliva@redhat.com> + + * configure.ac: Test for assembler tolerance to # 0 "". + * configure, config.in: Rebuilt. + * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO. + +2007-03-13 Geoffrey Keating <geoffk@apple.com> + + * doc/invoke.texi (Spec Files): Update for '%{,' spec. + + * config/rs6000/darwin-fallback.c: Compile file only on powerpc. + (handle_syscall): Handle direct system calls. + * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete. + +2007-03-12 Brooks Moses <brooks.moses@codesourcery.com> + + * doc/invoke.texi: Fix cpp.info cross-reference. + * doc/passes.texi: Fix gcc.info cross-reference. + +2007-03-12 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/30835 + * lambda-code.c (can_convert_to_perfect_nest): Check whether + bb_for_stmt is not NULL before accessing it. + +2007-03-12 Joseph Myers <joseph@codesourcery.com> + + * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for + some multilibs. + +2007-03-12 Brooks Moses <brooks.moses@codesourcery.com> + + PR 30635 + * doc/install.texi: Document --enable-stage1-languages + +2007-03-12 Steven Bosscher <steven@gcc.gnu.org> + + * tree-pass.h (pass_into_cfg_layout_mode, + pass_outof_cfg_layout_mode): Declare. + * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode, + pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New. + * passes.c (pass_into_cfg_layout_mode): Schedule before jump2. + (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt. + +2007-03-12 Seongbae Park <seongbae.park@gmail.com> + + * c-decl.c (warn_variable_length_array): New function. + Refactored from grokdeclarator to handle warn_vla + and handle unnamed array case. + (grokdeclarator): Refactored VLA warning case. + * c.opt (Wvla): New flag. + * doc/invoke.texi (Wvla): New warning. + +2007-03-12 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_elf_section_type_flags): New. + (TARGET_SECTION_TYPE_FLAGS): New. + +2007-03-12 Richard Henderson <rth@redhat.com> + + * config/darwin.c (machopic_reloc_rw_mask): New. + * config/darwin-protos.h (machopic_reloc_rw_mask): Declare. + * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New. + +2007-03-12 Mark Mitchell <mark@codesourcery.com> + + * cppdefault.c (cpp_EXEC_PREFIX): New variable. + * cppdefault.h (cpp_PREFIX): Document. + (cpp_PREFIX_len): Likewise. + (cpp_EXEC_PREFIX): New variable. + * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX. + * c-incpath.c (add_standard_paths): Correct logic for relocating + paths within prefix. + +2007-03-12 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from + fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF + mode macro. + (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and + fix_truncdfdi_sse using SSEMODEF mode macro. + (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and + fix_truncdfsi_sse using SSEMODEF mode macro. + (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro. + (fix_trunc?f?i_sse K8 peephole2): Fix register constraint. + +2007-03-12 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add + elfos.h to tm_file. + +2007-03-12 Olga Golovanevsky <olga@il.ibm.com> + + * tree.h : Add multiple_of_p declaration. + * fold-const.c (multiple_of_p): Make multiple_of_p public. + * ipa-type-escape.c (results_of_malloc): Redundant. + (visited_stmts): New. Visited stmt for walk_use_def_chains. + (cast_type): Extended with new members. + (check_cast): Returns cast_type. + (cast): New structure for data of walk_use_def_chains. + (is_malloc_result, is_cast_from_non_pointer_1, + is_cast_from_non_pointer, + is_array_access_through_pointer_and_index): New functions. + (look_for_casts): Returns cast types. + (check_call): Returns void. + (okay_pointer_operation): Use support of pointer plus index, + pointer plus constant and allow all multiplications. + +2007-03-11 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/31115 + * tree-vrp.c (extract_range_from_binary_expr): Make sure + the shift count is positive and non-anti-range for RSHIFT_EXPR. + A shift count of zero is not special as with *_DIV_EXPR. + (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow + direction. + +2007-03-11 Ian Lance Taylor <iant@google.com> + + * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and + the *_DIV_EXPR codes correctly with overflow infinities. + +2007-03-11 Ira Rosen <irar@il.ibm.com> + + * tree-data-ref.c (analyze_offset): Add a return value (bool) to + indicate success/failure of the analysis. Add negation to subtrahend + in case of subtraction. Fail if both operands contain constants. + (create_data_ref): Fail if analyze_offset fails. + +2007-03-11 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (frndintxf2): Rename to ... + (rintxf2): ... this. Remove expander having same name. + (rintsf2, rintdf2): Implement using SSEMODEF macro. + (roundsf2, rounddf2): Ditto. + (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro. + (lround<mode>di2, lround<mode>si2): Ditto. + +2007-03-11 Steven Bosscher <steven@gcc.gnu.org> + + * lower-subreg.c: Include except.h. + (decompose_multiword_subregs): Verify that the only control flow + insns we can split are loads to multi-words pseudos. + Handle breaking such blocks after splitting, instead of calling + find_many_sub_basic_blocks. + + * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK + on the new basic block. Add a lengthy comment explaining why we + thought this was necessary. + * cfglayout.c (cfg_layout_finalize): Don't break superblocks. + +2007-03-10 Mark Mitchell <mark@codesourcery.com> + + PR c++/30924 + * tree.c (walk_type_fields): Recurse into the element type of + ARRAY_TYPEs if there is a pointer set. + +2007-03-10 Dirk Mueller <dmueller@suse.de> + + * c-common.c (warn_logical_operator): Fix condition. + +2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org> + + * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing + quotation mark. + * config/darwin.c (machopic_select_section): Remove superfluous + argument in call to categorize_decl_for_section. Remove unused + variable shlib. + +2007-03-10 Joseph Myers <joseph@codesourcery.com> + + * configure.ac (glibc_header_dir): Set using with_build_sysroot if + defined. + * configure: Regenerate. + +2007-03-10 Uros Bizjak <ubizjak@gmail.com> + + PR target/31101 + * config/i386/i386.md (UNSPEC_C2_FLAG): New constant. + (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG. + (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3): + Add LABEL_NUSES to emitted label. + * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add + branch probability value to emitted jump insn. + * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG. + Do not check life information and do not re-arrange input operands + for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U. + +2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (sh_insn_length_adjustment): Adjust for + the change of decode_asm_operands. + +2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org> + + * mode-switching.c (create_pre_exit): Skip blockage insn. + +2007-03-09 Diego Novillo <dnovillo@redhat.com> + + * tree-pass.h (TODO_update_smt_usage): Remove. + Update all users. + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove + argument SOME. + Update all users. + +2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (attr_length_call): Revise condition for long + pc-relative branch. + (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long + local calls on the SOM target. Don't use "LONG_PIC_PCREL" call + sequence on SOM target. + +2007-03-09 Geoffrey Keating <geoffk@apple.com> + + * gcc.c: Document %{, in big comment at top. + (input_suffix_matches): Remove special handling for .s and + .S. + (input_spec_matches): New. + (handle_braces): Handle %{,. + (validate_switches): ',' indicates a value which is not a switch. + * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{. + to detect assembler input. + * config/i386/sol2.h (CPP_SPEC): Likewise. + * config/rs6000/sysv4.h (ASM_SPEC): Likewise. + * config/rs6000/vxworks.h (ASM_SPEC): Likewise. + * config/rs6000/lynx.h (ASM_SPEC): Likewise. + * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise. + * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus + -m64 causes deployment target to default to 10.5. + * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise. + +2007-03-09 Richard Henderson <rth@redhat.com> + + PR target/26090 + * target.h (targetm.asm.out.reloc_rw_mask): New. + * target-def.h (TARGET_ASM_RELOC_RW_MASK): New. + (TARGET_ASM_OUT): Use it. + * targhooks.c, targhooks.h (default_reloc_rw_mask): New. + * varasm.c (categorize_decl_for_section): Remove shlib argument; + use the new reloc_rw_mask target hook instead. + (default_section_type_flags_1): Merge into... + (default_section_type_flags): ... here. + (decl_readonly_section_1): Merge into... + (decl_readonly_section): ... here. + (default_elf_select_section_1): Merge into... + (default_elf_select_section): ... here. + (default_unique_section_1): Merge into... + (default_unique_section): ... here. + (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New. + (default_select_rtx_section): Use it. + (default_elf_select_rtx_section): Likewise. + * output.h: Update to match. + * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New. + * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New. + (TARGET_ASM_RELOC_RW_MASK): New. + * config/i386/i386.c (x86_64_elf_select_section): Adjust call + to categorize_decl_for_section. + (x86_64_elf_unique_section): Likewise. + * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION, + TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove. + (TARGET_ASM_RELOC_RW_MASK): New. + * config/ia64/ia64.c (ia64_rwreloc_select_section, + ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove. + (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New. + (TARGET_RWRELOC): Remove. + (ia64_section_type_flags): Adjust call to default_section_type_flags. + * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New. + * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove. + (rs6000_elf_select_section, rs6000_elf_unique_section): Remove. + (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New. + (rs6000_xcoff_select_section): Use decl_readonly_section. + (rs6000_xcoff_section_type_flags): Use default_section_type_flags. + * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New. + (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove. + (TARGET_SECTION_TYPE_FLAGS): Remove. + * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New. + +2007-03-09 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (fold_comparison): Remove compile-time evaluation of + complex constant equality/inequality comparisons for here. + (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are + known at compile-time or can be simplified to a scalar comparison. + (fold_relational_const): Move compile-time evaluation of complex + constant equality/inequality comparisons to here. + +2007-03-09 Alexandre Oliva <aoliva@redhat.com> + + PR rtl-optimization/30643 + * cse.c (cse_insn): Recompute dest_hash after insert_regs for + dest_addr_elt. + (fold_rtx): Recurse, like before 2006-11-03. + +2007-03-09 DJ Delorie <dj@redhat.com> + + * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to + m32c-pragma.o. + +2007-03-09 Aldy Hernandez <aldyh@redhat.com> + + PR tree-optimization/30375 + * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if + LHS of statements is not the same. + * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New. + +2007-03-09 Chao-ying Fu <fu@mips.com> + + * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP + REV 2. + * doc/invoke.texi (-mdspr2): Document new option. + * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH): + New unspec for DSP REV 2. + (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because + these instructions are extended in DSP REV 2. + (mips-dspr2.md): Include. + * config/mips/mips.opt (mdspr2): New option. + * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI, + MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI, + MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI. + (override_options): Check TARGET_DSPR2 to enable MASK_DSP. + (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3. + (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins. + (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1 + and 2 builtins. + (bdesc_map): Add one field of unsupported_target_flags. + (bdesc_arrays): Update entries to have extra fields. Add + dsp_32only_bdesc. + (mips_init_builtins): Initialize new function types. + Check unsupported_target_fileds to filter out builtins. + * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if + TARGET_DSPR2. + (ASM_SPEC): Pass mdspr2 to the assembler. + * config/mips/mips-dspr2.md: New file. + +2007-03-09 Sa Liu <saliu@de.ibm.com> + + * config/rs6000/altivec.md: Fix vcond patterns using if_then_else. + +2007-03-09 Ian Lance Taylor <iant@google.com> + + * opts.c (common_handle_option): Treat -Wstrict-overflow (with no + argument) like -Wstrict-overflow=2. + * doc/invoke.texi (Warning Options): Update documentation. + +2007-03-09 Dirk Mueller <dmueller@suse.de> + + PR c++/17946 + * doc/invoke.texi (-Wlogical-op): Document. + * common.opt (-Wlogical-op): New. + * c-common.h (warn_logical_operator): Declare. + * c-common.c (warn_logical_operator): Define. + * c-typeck.c (parser_build_binary_op): Call + warn_logical_operator. + +2007-03-09 Alexandre Oliva <aoliva@redhat.com> + + * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name. + * final.c (final_scan_insn): Test for non-"" file name. + +2007-03-09 Sebastian Pop <sebastian.pop@inria.fr> + + * doc/loop.texi: Document the Omega linear constraints solver. + * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars, + omega-max-geqs, omega-max-eqs, omega-max-wild-cards, + omega-hash-table-size, omega-max-keys, and + omega-eliminate-redundant-constraints. + * tree-pass.h (pass_check_data_deps): Declared. + * omega.c: New. + * omega.h: New. + * timevar.def (TV_CHECK_DATA_DEPS): Declared. + * tree-ssa-loop.c (check_data_deps, gate_check_data_deps, + pass_check_data_deps): New. + * tree-data-ref.c (init_data_ref): Remove declaration. + (dump_data_dependence_relation): Dump DDR_INNER_LOOP. + (analyze_array): Renamed init_array_ref, move up initializations. + (init_data_ref): Renamed init_pointer_ref. Moved before its call. + Removed arguments that are set to NULL. + (analyze_indirect_ref): Correct indentation, correct call to + init_pointer_ref. + (object_analysis): Call init_array_ref instead of analyze_array. + (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP. + (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead + of DR_ACCESS_FNS_ADDR. + (init_omega_eq_with_af, omega_extract_distance_vectors, + omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr, + ddr_consistent_p): New. + (compute_affine_dependence): Check consistency of ddrs when + flag_check_data_deps is passed. + (analyze_all_data_dependences): Uncomment. + (tree_check_data_deps): New. + * tree-data-ref.h: Include omega.h. + (DR_ACCESS_FNS_ADDR): Removed. + (data_dependence_relation): Add inner_loop. + (DDR_INNER_LOOP): New. + * common.opt (fcheck-data-deps): New. + * tree-flow.h (tree_check_data_deps): Declare. + * Makefile.in (TREE_DATA_REF_H): Depend on omega.h. + (OBJS-common): Depend on omega.o. + (omega.o): Define. + * passes.c (pass_check_data_deps): Scheduled. + * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS, + PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS, + PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS, + PARAM_VECT_MAX_VERSION_CHECKS, + PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New. + +2007-03-09 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/30904 + PR middle-end/31058 + * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR + the same way as *_DIV_EXPR. + +2007-03-09 Alexandre Oliva <aoliva@redhat.com> + + * recog.c (decode_asm_operands): No mixed declarations and code. + +2007-03-09 Alexandre Oliva <aoliva@redhat.com> + + * rtl.def (ASM_INPUT): Add location. + * rtl.h (ASM_INPUT_SOURCE_LOCATION): New. + (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New. + (decode_asm_operands): Add loc operand. + (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define. + * stmt.c (expand_asm): Rename to... + (expand_asm_loc): ... this. Add locus argument. Pass it on to + gen_rtx_ASM_INPUT_loc. + (expand_asm_expr): Adjust. + * recog.c (decode_asm_operands): Add loc operand. + (check_asm_operands, extract_insn): Adjust. + * reload1.c (maybe_fix_stack_asms): Likewise. + * final.c (asm_insn_count): Likewise. + (final_scan_insn): Output # line before and after asm. + +2007-03-09 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-structalias.c (variable_info): Remove + finished_solution. + (new_var_info): Ditto. + (shared_bitmap_info_t): New structure. + (shared_bitmap_table): New variable. + (shared_bitmap_hash): New function. + (shared_bitmap_eq): Ditto + (shared_bitmap_lookup): Ditto. + (shared_bitmap_add): Ditto. + (merge_smts_into): Change to take bitmap directly. + (find_what_p_points_to): Rewrite to use shared bitmap hashtable. + (init_alias_vars): Init shared bitmap hashtable. + (delete_points_to_sets): Delete shared bitmap hashtable. + * tree-ssa-operands.c (add_virtual_operand): Partially revert the + is_aliased removal as a change that was still necessary was + deleted. + +2007-03-09 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (override_options): Conditionally disable + x86_sahf for 64bit targets only. + +2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR C/31072 + * c-decl.c (merge_decls): Don't call make_var_volatile. + * varasm.c (make_var_volatile): Remove. + * output.h (make_var_volatile): Remove. + +2007-03-08 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/31085 + * tree-ssa-address.c (create_mem_ref): Fix test of type of base. + +2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl, + llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with + ATTR_CONST_NOTHROW_LIST. + + * fold-const.c (tree_expr_nonnegative_warnv_p): Handle + FIX_TRUNC_EXPR. + +2007-03-08 Diego Novillo <dnovillo@redhat.com> + + * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF. + +2007-03-08 Geoffrey Keating <geoffk@apple.com> + + PR 31013 + * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME + is declared. + * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is + passed, use shared libgcc. + +2007-03-08 Roger Sayle <roger@eyesopen.com> + + * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt + instead of calling build2 with a GIMPLE_MODIFY_STMT. + (honor_protect_cleanup_actions, lower_try_finally_switch): + Likewise. + * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt, + ifc_temp_var): Likewise. + * tree-inline.c (setup_one_parameter): Likewise. + * tree-mudflap.c (mf_decl_cache_locals, + mf_build_check_statement_for): Likewise. + * tree-nested.c (init_tmp_var, save_tmp_var, + finalize_nesting_tree_1): Likewise. + * tree-outof-ssa.c (insert_copy_on_edge, + insert_backedge_copies): Likewise. + * tree-profile.c (tree_gen_edge_profiler, + tree_gen_ic_profiler): Likewise. + * tree-scalar-evolution.c (scev_const_prop): Likewise. + * tree-sra.c (sra_build_assignment): Likewise. + * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise. + * tree-ssa-math-opts.c (insert_reciprocals, + execute_cse_sincos_1): Likewise. + * tree-tailcall.c (adjust_accumulator_values, + adjust_return_value): Likewise. + * tree-vect-patterns.c (vect_pattern_recog_1): Likewise. + * tree-vect-transform.c (vect_create_data_ref_ptr, + bump_vector_ptr, vect_init_vector, get_initial_def_for_induction, + vect_create_epilog_for_reduction, vectorizable_reduction, + vectorizable_call, vectorizable_conversion, + vectorizable_assignment, vectorizable_operation, + vectorizable_type_demotion, vect_gen_widened_results_half, + vect_permute_store_chain, vectorizable_store, + vect_setup_realignment, vect_permute_load_chain, + vectorizable_load, vectorizable_condition, + vect_create_cond_for_align_checks): Likewise. + * tree-vrp.c (build_assert_expr_for): Likewise. + +2007-03-08 Ian Lance Taylor <iant@google.com> + + * tree-vrp.c: Include "intl.h". + (usable_range_p): New static function. + (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for + overflowed values, juts set *strict_overflow_p. + (compare_values): Only return -2 if one of the operands is not a + constant. + (compare_ranges): Call usable_range_p. + (compare_range_with_value): Likewise. + (vrp_evaluate_conditional_warnv): Rename from + vrp_evaluate_conditional. Make static. Change all callers. + (vrp_evaluate_conditional): New function. + (simplify_div_or_mod_using_ranges): Issue warning about reliance + on signed overflow. + (simplify_abs_using_ranges): Likewise. + (simplify_stmt_for_jump_threading): Add within_stmt parameter. + * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add + within_stmt parameter. + * tree-ssa-propagate.c (fold_predicate_in): Update call to + vrp_evaluate_conditional. + * tree-ssa-threadedge.c + (record_temporary_equivalences_from_stmts_at_dest): Change + simplify parameter to take a second tree parameter. + (simplify_control_stmt_condition): Likewise. + (thread_across_edge): Likewise. + * tree-flow.h (vrp_evaluate_conditional): Update declaration. + (thread_across_edge): Likewise. + * Makefile.in (tree-vrp.o): Depend upon intl.h. + +2007-03-08 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (TARGET_SAHF): New define. + * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]: + Also enable for m_K8, m_AMDFAM10 and m_CORE2. + (x86_sahf): New global variable. + (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode + pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and + nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set + in processor flags. Do not unconditionally disable TARGET_USE_SAHF + for 64-bit. + (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF. + (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF + when expanding fcomi/sahf based tests. + (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when + expanding sahf based alternative. Emit sahf based sequence when + optimizing for code size. + * config/i386/i386.md (x86_sahf_1): Do not disable for + TARGET_64BIT, enable for TARGET_SAHF. + +2007-03-08 Martin Michlmayr <tbm@cyrius.com> + + * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove + spurious whitespace from error message. + +2007-03-08 Volker Reichelt <reichelt@netcologne.de> + + PR c++/30852 + * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR. + +2007-03-08 Alexandre Oliva <aoliva@redhat.com> + + * c-decl.c (grokdeclarator): Disable warnings for anonymous + bitfields. + * tree-sra.c (instantiate_element): Propagate disabled warnings + from the element itself to the created variable. + +2007-03-07 Richard Henderson <rth@redhat.com> + + PR target/30848 + * reg-stack.c (emit_swap_insn): If a malformed asm was seen, + silently fix up the stack in the case of a missing register. + +2007-03-07 Paul Brook <paul@codesourcery.com> + + * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds. + +2007-03-07 Joseph Myers <joseph@codesourcery.com> + + * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs): + New. + (phase1_vrs): Use them. + (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New. + (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD, + __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare. + (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and + __gnu_Unwind_Restore_WMMXC if required. + (_Unwind_VRS_Pop): Implement iWMMXt support. + * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD, + gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC, + gnu_Unwind_Save_WMMXC): Define. + +2007-03-07 Richard Sandiford <richard@codesourcery.com> + + * config/vxworks.h (vxworks_override_options): Declare. + (VXWORKS_OVERRIDE_OPTIONS): Use it. + * config/vxworks.c: Include target.h and toplev.h. + (vxworks_override_options): New function. + * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h. + +2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (override_options): Don't emit an error when + -mstack-size is used without providing -mstack-guard. + (s390_emit_prologue): Choose stack_guard value automatically if not + provided via command line. + * doc/invoke.texi: Adjust description of -mstack-guard and + -mstack-size. + +2007-03-07 Richard Sandiford <richard@codesourcery.com> + + * config/i386/i386.c (output_set_got): Add a GOT initialization + sequence for VxWorks PIC. + (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers + around labels as well as symbols. Use gotoff_operand instead + of local_symbolic_operand. + (legitimize_pic_address): Use gotoff_operand instead of + local_symbolic_operand. Use @GOT accesses for labels as + well as symbols. + (ix86_output_addr_diff_elt): Use PC-relative rather than + GP-relative offsets for VxWorks PIC. + (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless + no_new_pseudos. Check whether the returned register is op0. + * config/i386/i386.md (tablejump): Use PC-relative rather than + GP-relative offsets for VxWorks PIC. + * config/i386/predicates.md (gotoff_operand): New predicate. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine + before defining. + * config/vxworks-dummy.h: New file. + * config/i386/i386.h: Include it. + +2007-03-07 Alexandre Oliva <aoliva@redhat.com> + + * dwarf2out.c (is_inlined_entry_point): New + (add_high_low_attributes): Emit DW_AT_entry_pc along with + DW_AT_ranges if the first subblock is the entry point. + +2007-03-06 David Daney <ddaney@avtrex.com> + + * doc/install.texi (mips-*-*): Change recommended binutils + version. + +2007-03-06 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P, + ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162 + devices. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). + +2007-03-06 Jan Hubicka <jh@suse.cz> + + * errors.h (warning, error, fatal, internal_error): Mark as cold. + * predict.c (maybe_hot_bb): Cold functions are never hot; hot + functions are hot. + (probably_cold_bb_p): Cold functions are cold. + (probably_never_executed_bb_p): Cold functions are cold. + (tree_bb_level_predictions): Predict calls to cold functions as not + taken. + (compute_function_frequency): Check hot/cold attributes. + * function.h (function_frequency): Update comments. + * predict.def (PRED_COLD_FUNCTION): Predict cold function. + * c-common.c (handle_hot_attribute, handle_cold_attribute): New. + (c_common_att): Add cold and hot. + + * doc/extend.texi (hot,cold attributes): Document. + +2007-03-06 Andrew Haley <aph@redhat.com> + + * function.c (expand_function_end): Move blockage to just after we + emit the label for the naked return from the function. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine + before redefining. + +2007-03-06 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (reg_to_stack): Large models don't allow NAN to be + loaded for constant large models. Non-large 64bit PIC can do. + * config/i386/i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit. + * cmodel.h: Add LARGE PIC. + * config/i386/i386.md (UNSPEC_PLTOFF): New. + (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other + unspecs as needed. + (*call_1_rex64): Disable for large models. + (*call_1_rex64_large): New. + (*call_value_1_rex64): Disable for large models. + (*call_value_1_rex64_large): New. + (set_rip_rex4): New. + (set_got_offset_rex64): New. + * config/i386/predicates.md (constant_call_address_operand): For + large model constant calls are not possible. + * config/i386/i386-protos.h (construct_plt_address): Declare. + * config/i386/i386.c (override_options): Accept large models. + (ix86_expand_prologue): Expand large PIC GOT pointer load. + (legitimate_constant_p): Add new UNSPECs. + (legitimate_pic_operand_p): Likewise. + (legitimate_pic_address_disp_p): Disallow local symbols for large PICs. + (legitimize_pic_address): Do easy RIP relative way for TLS only for + non-large model. + (output_pic_addr_const): Add PLTOFF. + (ix86_output_addr_diff_elt): Output 64bit tables when needed. + (ix86_expand_move): Legitimize pic address when in PIC mode. + (construct_plt_address): New function. + (ix86_expand_call): Offload the address to register and use GOT + pointer for large model. + * invoke.texi (mcmodel=large): Update documentation. + +2007-03-06 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (x86_use_leave, x86_push_memory, + x86_zero_extend_with_and, x86_movx, x86_double_with_add, + x86_use_bit_test, x86_unroll_strlen, x86_deep_branch, + x86_branch_hints, x86_use_sahf, x86_partial_reg_stall, + x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop, + x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify, + x86_split_long_moves, x86_promote_QImode, x86_fast_prefix, + x86_single_stringop, x86_qimode_math, x86_promote_qi_regs, + x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8, + x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves, + x86_partial_reg_dependency, x86_memory_mismatch_stall, + x86_prologue_using_move, x86_epilogue_using_move, x86_shift1, + x86_sse_partial_reg_dependency, x86_sse_split_regs, + x86_sse_unaligned_move_optimal, x86_sse_typeless_stores, + x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec, + x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit, + x86_schedule, x86_use_bt, x86_pad_returns, + x86_use_xchgb): Merge into ... + (ix86_tune_features): ... here. New array. + (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd, + x86_bswap): Merge into ... + (ix86_arch_features): ... here. New array. + (x86_3dnow_a): Remove. + (x86_accumulate_outgoing_args): Make static. + (x86_arch_always_fancy_math_387): Make static. + (ix86_tune_mask, ix86_arch_mask): Move ... + (override_options): ... to local variables here. Apply the + appropriate mask to each element of ix86_arch_features and + ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF + as were done in the old macros. + (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS. + * config/i386/i386.h (x86_use_leave, x86_push_memory, + x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch, + x86_branch_hints, x86_unroll_strlen, x86_double_with_add, + x86_partial_reg_stall, x86_movx, x86_use_himode_fiop, + x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb, + x86_read_modify_write, x86_read_modify, x86_split_long_moves, + x86_promote_QImode, x86_single_stringop, x86_fast_prefix, + x86_himode_math, x86_qimode_math, x86_promote_qi_regs, + x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4, + x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8, + x86_partial_reg_dependency, x86_memory_mismatch_stall, + x86_accumulate_outgoing_args, x86_prologue_using_move, + x86_epilogue_using_move, x86_decompose_lea, + x86_arch_always_fancy_math_387, x86_shift1, + x86_sse_partial_reg_dependency, x86_sse_split_regs, + x86_sse_unaligned_move_optimal, x86_sse_typeless_stores, + x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves, + x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd, + x86_use_incdec, x86_pad_returns, x86_bswap, + x86_partial_flag_reg_stall): Remove. + (enum ix86_tune_indices): New. + (ix86_tune_features): New. + (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND, + TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN, + TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS, + TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX, + TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL, + TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0, + TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES, + TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode, + TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH, + TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS, + TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4, + TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES, + TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY, + TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS, + TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR, + TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE, + TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP, + TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE, + TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS, + TARGET_EXT_80387_CONSTANTS): Use it. + (enum ix86_arch_indices): New. + (ix86_arch_features): New. + (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD, + TARGET_BSWAP): Use it. + (ix86_tune_mask, ix86_arch_mask): Remove. + +2007-03-06 Joseph Myers <joseph@codesourcery.com> + + PR bootstrap/31020 + * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir): + Define using $${sysroot_headers_suffix}. + * configure: Regenerate. + * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a + multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC + defined. + * doc/invoke.texi (-print-sysroot-headers-suffix): Document. + * gcc.c (print_sysroot_headers_suffix): New. + (option_map): Include --print-sysroot-headers-suffix. + (display_help): Mention -print-sysroot-headers-suffix. + (process_command): Handle -print-sysroot-headers-suffix. + (do_spec_1): Append multilib directory to include-fixed path if + sysroot suffixes in use. + (main): Handle -print-sysroot-headers-suffix. + * Makefile.in (start.encap): Don't depend on xlimits.h + (xlimits.h): Remove. + (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of + limits.h for each multilib in fixinc_list. + (fixinc_list, s-fixinc_list): New. + (stmp-fixinc): Depend on fixinc_list. If not copying headers, + generate them for each multilib in fixinc_list. + (stmp-fixproto): Use include-fixed. Run fixproto for each + multilib in fixinc_list. + (mostlyclean): Don't remove xlimits.h. + (clean): Remove include-fixed. + (real-install-headers-tar, real-install-headers-cpio, + real-install-headers-cp): Don't copy include, only include-fixed. + (install-mkheaders): Depend on fixinc_list. Don't depend on + xlimits.h. Save limits.h files for each multilib in fixinc_list. + Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in + SYSTEM_HEADER_DIR setting in mkheaders.conf. + +2007-03-06 Jan Hubicka <jh@suse.cz> + + * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load + NANs easilly. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + * configure.ac: Allow tm_file to contain build-directory files. + * configure: Regenerate. + * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file. + * config/m68k/t-uclinux (sysroot-suffix.h): New target. + * config/m68k/print-sysroot-suffix.sh: New file. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO + of pic_offset_table_rtx if reload_completed. + (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of + PIC_OFFSET_TABLE_REGNUM. + * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always + return true. + (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO. + (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in + functions that call eh_return. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in + functions that need a constant pool. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + PR target/28181 + * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare. + (m68k_preferred_reload_class): Likewise. + * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment. + (SECONDARY_RELOAD_CLASS): Define. + (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class. + (LIMIT_RELOAD_CLASS): Delete. + * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address + registers from storing bytes. + (m68k_secondary_reload_class): New function. + (m68k_preferred_reload_class): Likewise. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.c (m68k_save_reg): Remove special case for + leaf functions. + (m68k_expand_prologue): Likewise. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k-protos.h (output_sibcall): Declare. + (mips_expand_epilogue): Add a bool parameter. + (m68k_legitimize_sibcall_address): Declare. + * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define. + (m68k_expand_epilogue): Add a parameter to select between sibling + and normal epilogues. Only generate a return for the latter. + (m68k_ok_for_sibcall_p): New function. + (m68k_legitimize_sibcall_address, output_sibcall): New functions. + * config/m68k/m68k.md (sibcall, *sibcall): New patterns. + (sibcall_value, *sibcall_value): Likewise. + (*call, *call_value): Require !SIBLING_CALL_P. + (epilogue): Update call to m68k_expand_epilogue. + (sibcall_epilogue): New pattern. + * config/m68k/predicates.md (const_call_operand): Say that this + predicate applies to sibling calls too. + (sibcall_operand): New predicate. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q + alternatives as movsi_cf. + (movsf_cf_hard): Add commentary. + +2007-03-06 Kazu Hirata <kazu@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare. + (m68k_movem_pattern_p, m68k_output_movem): Likewise. + (m68k_expand_prologue, m68k_expand_epilogue): Likewise. + * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers + as being live on exit from an interrupt function. + (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'. + * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros. + (m68k_frame): Remove reg_rev_mask and fpu_rev_mask. + (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete. + (m68k_interrupt_function_p): Globalize. + (m68k_compute_frame_layout): Remove reverse mask code. + (m68k_emit_movem, m68k_set_frame_related): New functions. + (m68k_output_function_prologue): Delete in favor of... + (m68k_expand_prologue): ...this new function. + (m68k_output_function_epilogue): Delete in favor of... + (m68k_expand_epilogue): ...this new function. + (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New + functions. + (print_operand): Handle %?. + * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space. + (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants. + (prologue, epilogue): New patterns. + (return): Turn into a define_expand. + (*return): New pattern, derived from old "return" pattern. Use rte + rather than rts for interrupt functions. Only use rtd if the pop + count is nonzero. + (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns. + (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise. + (link, *link, unlink, *unlink, load_got): Likewise. + +2007-03-06 Richard Sandiford <richard@codesourcery.com> + + PR target/23482 + PR target/17114 + * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare. + (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise. + (m68k_matches_q_p, m68k_matches_u_p): Likewise. + * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p + and m68k_matches_u_p. + (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete. + (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete. + (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete. + (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete. + (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete. + (REG_STRICT_P): New macro. + (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than + PCREL_GENERAL_OPERAND_OK. + (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and + m68k_legitimate_base_reg_p. + (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p. + (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p. + (PIC_CASE_VECTOR_ADDRESS): Update comment. + * config/m68k/m68k.c (m68k_address): New structure. + (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p) + (m68k_decompose_index, m68k_legitimate_constant_address_p) + (m68k_jump_table_ref_p, m68k_decompose_address) + (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p) + (m68k_matches_u_p): New functions. + (print_operand_address): Rewrite to use m68k_decompose_index. + +2007-03-05 David Taylor <dtaylor@emc.com> + + * gcc.c: Correct copyright date in --version output. + +2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.md: In unamed move patterns, disparge copies between general + and floating point registers using '?' modifier. Don't include 'f' + constraint for register preferences in DImode, SImode, HImode and + QImode patterns. Likewise for 'r' in DFmode and SFmode patterns. + Remove constraints for copies between general and floating registers + in soft-float DFmode pattern. + (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard + floating register. + (movsf): Likewise. + +2007-03-05 Mike Stump <mrs@apple.com> + + * c-common.c (targetcm): Add. + * c-opts.c (c_common_handle_option): Handle language specific + target options. + * opts.c (handle_option): Verify language for target options, if + any are given. + * opth-gen.awk: Add CL_LANG_ALL. + * target-def.h (TARGET_HANDLE_C_OPTION): Add. + (TARGETCM_INITIALIZER): Add. + * target.h (struct gcc_targetcm): Add. + (targetcm): Add. + * targhooks.c (default_handle_c_option): Add. + * targhooks.h (default_handle_c_option): Add. + * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add. + + * config/darwin.opt (iframework): Add. + * config/darwin.h (TARGET_HAS_TARGETCM): Add. + * config/darwin-c.c (handle_c_option): Add. + (TARGET_HANDLE_C_OPTION): Add. + (targetcm): Add. + * doc/invoke.texi (Darwin Options): Add -iframework. + +2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint + conversion. + +2007-03-05 Ian Lance Taylor <iant@google.com> + + * c.opt (fgnu89-inline): New option. + * c-opts.c (c_common_post_options): Set default value for + flag_gnu89_inline. + * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove. + (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for + inline functions. + (diagnose_mismatched_decls, merge_decls, start_decl): Likewise. + (grokdeclarator, start_function): Likewise. + * c-cppbuiltin.c (c_cpp_builtins): Define either + __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__. + * doc/invoke.texi (Option Summary): Mention -fgnu89-inline. + (C Dialect Options): Document -fgnu89-inline. + * doc/extend.texi (Function Attributes): Explain what the + gnu_inline attribute does. + * doc/cpp.texi (Common Predefined Macros): Document + __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__. + +2007-03-05 Ian Lance Taylor <iant@google.com> + + PR tree-optimization/31034 + * tree-vrp.c (extract_range_from_assert): Don't try to handle a + half-range if the other side is an overflow infinity. + +2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com> + + * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux. + (bfin*-linux-uclibc*): New configuration. + * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before + defining. + * config/bfin/linux.h: New file. + * config/bfin/libgcc-bfin.ver: New file. + * config/bfin/t-bfin-uclinux: New file. + * config/bfin/t-bfin-linux: New file. + * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro. + (TARGET_OS_CPP_BUILTINS): New macro. + +2007-03-05 Richard Guenther <rguenther@suse.de> + + * fold-const.c (fold_binary): Remove duplicate folding + of comparison of non-null ADDR_EXPR against null. + +2007-03-05 Richard Guenther <rguenther@suse.de> + Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/26420 + * tree-vectorizer.c (vectorize_loops): Bail out early if there + are no loops in the function. Only print the number of + vectorized loops if it is greater than zero or we are supposed + to print information about unvectorized loops. + +2007-03-05 Revital Eres <eres@il.ibm.com> + + * gcc.dg/var-expand1.c: New test. + * loop-unroll.c (analyze_insn_to_expand_var): Add dump info + when an accumulator is expanded. + +2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR other/30465 + * c-common.c (convert_and_check): Don't give warnings for + conversion if 'expr' already overflowed. + +2007-03-04 Roger Sayle <roger@eyesopen.com> + + PR middle-end/30744 + * fold-const.c (fold_comparison): Enforce type consistency when + transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C. + +2007-03-04 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-address.c (create_mem_ref): Do not put an expression + containing a cast to the base of TARGET_MEM_REF. + +2007-03-04 Martin Michlmayr <tbm@cyrius.com> + + * tree.c (tree_contains_struct_check_failed): Remove spurious + whitespace from error message. + +2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR target/30406 + * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size + instead of precision. + +2007-03-04 Roman Zippel <zippel@linux-m68k.org> + Nathan Sidwell <nathan@codesourcery.com> + + * emit-rtl.c (find_auto_inc): New. + (try_split): recreate REG_INC notes, + Use regular for loops rather than whiles. + +2007-03-03 Andreas Schwab <schwab@suse.de> + + * configure.ac (HAVE_AS_REL16): Move test back to correct place. + * configure: Regenerate. + +2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on + flag_rounding_math, not flag_unsafe_math_optimizations. + + * c-pretty-print.c (pp_c_direct_abstract_declarator): Use + fold_build2. + * config/alpha/alpha.c (alpha_fold_builtin_zapnot, + alpha_fold_vector_minmax): Likewise. + * config/i386/i386.c (ix86_gimplify_va_arg): Likewise. + * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise. + +2007-03-02 Eric Botcazou <ebotcazou@adacore.com> + + * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction. + (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use + if the lhs has side-effects. + <lhs_elt>: Treat the reference as a use if the rhs has side-effects. + +2007-03-02 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (TUNEMASK): Remove define. + (ARCHMASK): Remove define. + (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK. + Use ix86_arch_mask variable instead of ARCHMASK. + * config/i386/i386.c (override_options): Ditto. + (standard_80387_constant_p): Ditto. + +2007-03-02 Ian Lance Taylor <iant@google.com> + + Used signed infinities in VRP. + * tree-vrp.c (uses_overflow_infinity): New static function. + (supports_overflow_infinity): New static function. + (make_overflow_infinity): New static function. + (negative_overflow_infinity): New static function. + (positive_overflow_infinity): New static function. + (is_negative_overflow_infinity): New static function. + (is_positive_overflow_infinity): New static function. + (is_overflow_infinity): New static function. + (overflow_infinity_range_p): New static function. + (compare_values_warnv): New function split out of compare_values. + (compare_value): Call it. + (set_value_range_to_nonnegative): Add overflow_infinity + parameter. Change caller. + (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter. + Change callers. + (vrp_expr_computes_nonzero): Likewise. + (compare_ranges, compare_range_with_value): Likewise. + (compare_name_with_value, compare_names): Likewise. + (vrp_evaluate_conditional): Likewise. + (set_value_range): Handle infinity + (vrp_operand_equal_p, operand_less_p): Likewise. + (extract_range_from_assert): Likewise. + (vrp_int_const_binop): Likewise. + (extract_range_from_binary_expr): Likewise. + (extract_range_from_unary_expr): Likewise. + (extract_range_from_comparison): Likewise. + (extract_range_from_expr): Likewise. + (dump_value_range): Likewise. + (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise. + (test_for_singularity): Likewise. + (vrp_int_const_binop): Remove inline qualifier. + (adjust_range_with_scev): Add comment. + * tree-flow.h (vrp_evaluate_conditional): Update declaration. + +2007-03-02 Diego Novillo <dnovillo@redhat.com> + + * tree-ssa-structalias.c (could_have_pointers): Tidy. + (get_constraint_for): Likewise. + (do_structure_copy): Likewise. + (find_func_aliases): Fix references to MODIFY_EXPR. + (intra_create_variable_infos): Tidy. + * tree-ssa-operands.c (add_virtual_operand): Add argument + IS_CALL_SITE. + When adding members of alias sets, if IS_CALL_SITE is true and + the symbol is not call-clobbered, skip it. + Adjust all callers. + +2007-03-02 Eric Botcazou <ebotcazou@adacore.com> + + * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the + entry by means of emit_insn_at_entry. + +2007-03-02 Richard Henderson <rth@redhat.com> + + * expr.h (promoted_input_arg): Remove decl. + * function.c (promoted_input_arg): Merge into ... + * combine.c (setup_incoming_promotions): ... only caller. + Rearrange to avoid double loop. + +2007-03-02 Ben Elliston <bje@au.ibm.com> + Peter Bergner <bergner@vnet.ibm.com> + Janis Johnson <janis187@us.ibm.com> + + * config/rs6000/dfp.md: New file. + * config/rs6000/rs6000.md: Include dfp.md. + (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands. + * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode + and TDmode decimal float modes in FP registers. + (num_insns_constant): Likewise. + (rs6000_legitimate_offset_address_p): Likewise. + (rs6000_legitimize_address): Likewise. + (rs6000_legitimize_reload_address): Likewise. + (rs6000_legitimate_address): Likewise. + (rs6000_emit_move): Likewise. + (function_arg_boundary): Likewise. + (function_arg_advance): Likewise. + (rs6000_darwin64_record_arg_recurse): Likewise. + (function_arg): Likewise. + (rs6000_gimplify_va_arg): Likewise. + (rs6000_split_multireg_move): Likewise. + (rs6000_output_function_epilogue): Likewise. + (rs6000_output_function_epilogue): Likewise. + (rs6000_register_move_cost): Likewise. + (rs6000_function_value): Likewise. + (rs6000_libcall_value): Likewise. + +2007-03-02 Richard Sandiford <richard@codesourcery.com> + + * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks. + +2007-03-02 Richard Sandiford <richard@codesourcery.com> + + * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc. + Use $MULTIDIR to choose between the kernel and RTP headers, + and use $WIND_BASE and $WIND_USR to locate them. + +2007-03-02 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (override_options): Put initialization of + ix86_tune_mask and ix86_arch_mask to the correct place. + +2007-03-02 Uros Bizjak <ubizjak@gmail.com> + Michael Meissner <michael.meissner@amd.com> + + PR target/31019 + * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask. + (ARCHMASK): Define. + (TARGET_CMOVE): Use ARCHMASK. + (TARGET_CMPXCHG): Ditto. + (TARGET_CMPXCHG8B): Ditto. + (TARGET_XADD): Ditto. + (TARGET_BSWAP): Ditto. + * config/i386/i386.c (ix86_tune_mask): New global variable. + (ix86_arch_mask): Ditto. + (override_options): Initialize ix86_tune_mask and + ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in + target_flags. + +2007-03-02 Ben Elliston <bje@au.ibm.com> + + PR 30992 + * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.". + +2007-03-02 Joseph Myers <joseph@codesourcery.com> + + * target.h (init_dwarf_reg_sizes_extra): New target hook. + * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default. + * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document. + * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this + hook. + * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA, + rs6000_init_dwarf_reg_sizes_extra): New. + * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support + SPE register high parts. + +2007-03-01 Brooks Moses <brooks.moses@codesourcery.com> + + * Makefile.in: Add install-pdf target as + copied from automake v1.10 rules. + * configure.ac: Add install-pdf to target list. + * configure: Regenerate. + +2007-03-01 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing + modes to LDRD for DImode. + (output_move_double): Fixup out of range ldrd/strd. + (vfp_secondary_reload_class): Rename... + (coproc_secondary_reload_class): ... to this. Add wb argument. + * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use + coproc_secondary_reload_class for CLASS_IWMMXT. + (SECONDARY_INPUT_RELOAD_CLASS): Ditto. + * arm-protos.h (coproc_secondary_reload_class): Update prototype. + +2007-03-01 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the + unroll factor by the estimated number of iterations. + (loop_prefetch_arrays): Do not prefetch in loops that iterate less + than prefetch latency. + + * config/i386/driver-i386.c (describe_cache, detect_caches_amd, + decode_caches_intel, detect_caches_intel): New functions. + (host_detect_local_cpu): Use detect_caches_amd and + detect_caches_intel. + +2007-03-01 Richard Henderson <rth@redhat.com> + + * expr.c (emit_move_complex_push): Export. + (emit_move_complex_parts): Split out from ... + (emit_move_complex): ... here. + * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare. + * config/i386/i386.md (movcdi): New. + +2007-03-01 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also + size of mode1 to check for tieable modes in MMX case. + +2007-03-01 Richard Sandiford <richard@codesourcery.com> + + * Makefile.in (rtlanal.o): Depend on tree.h. + * rtl.h (offset_within_section_p, split_const): Declare. + * rtlanal.c: Include tree.h. + (offset_within_block_p): New function, taken from + mips_offset_within_object_p. + (split_const): New function, taken from mips_split_const. + * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p): + Declare. + * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define. + (CONSTANT_ADDRESS_P): Only accept legitimate constants. + (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p. + * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define. + (m68k_illegitimate_symbolic_constant_p): New function. + * config/m68k/m68k.md (movsi): Remove misleading predicates. + If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a + symbolic constant that might be outside the symbol's section, + move the symbol first and then add the offset. + * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): + Override. + * config/mips/mips.c (mips_split_const): Delete. + (mips_offset_within_object_p): Delete. + (mips_symbolic_constant_p): Use offset_within_section_p and + split_const instead of mips_offset_within_object_p and + mips_split_const. + (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address) + (mips_legitimize_const_move, print_operand_reloc) + (mips_dangerous_for_la25_p): Use split_const instead of + mips_split_const. + +2007-02-28 Eric Christopher <echristo@apple.com> + + * Makefile.in (install-include-dir): Don't rm -rf include. + +2007-02-28 Richard Guenther <rguenther@suse.de> + + PR middle-end/30364 + * fold-const.c (fold_binary): Do not associate expressions + with more than one variable for integer types that do not wrap. + +2007-02-28 Sandra Loosemore <sandra@codesourcery.com> + + * builtins.c (fold_builtin_call_list, fold_builtin_call_valist): + Delete, and replace with... + (fold_builtin_call_array): This. Update callers to use it. + * fold-const.c (fold_build_call_list): Delete, and replace with... + (fold_build_call_array): This. + (fold_build_call_list_initializer): Delete, and replace with... + (fold_build_call_array_initializer): This. + * tree.h: Update declarations to reflect above changes. + + * c-typeck.c (build_function_call): Store converted arguments + in a stack-allocated array instead of building a list. + (convert_arguments): Store arguments in the array passed in as an + argument, and return the actual number of arguments. + * c-format.c: (check_function_format): Pass arguments in an + array instead of a list. + * c-common.c (check_function_nonnull): Likewise. + (check_function_sentinel): Likewise. + (check_function_arguments): Likewise. + * c-common.h: Update declarations to reflect above changes. + +2007-02-28 Jan Hubicka <jh@suse.cz> + + * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN, + PRED_NEGATIVE_RETURN): Update outcomes. + +2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com> + + * calls.c (emit_library_call_value_1): Handle partial registers + correctly when building up CALL_INSN_FUNCTION_USAGE. + +2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa/predicates.md (move_src_operand): Allow zero for mode. + * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode + move pattern. + +2007-02-27 Uros Bizjak <ubizjak@gmail.com> + + PR target/30970 + * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal, + *movv2df_internal): Enable pattern only for valid operand + combinations. + * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers, + tie only 128bit modes. For MMX registers, tie only 64bit modes. + +2007-02-27 Mike Stump <mrs@apple.com> + + * config/darwin-crt3.c: Avoid compilation when compiling for a + kext multilib. + +2007-02-27 Joseph Myers <joseph@codesourcery.com> + + * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define + FIXED_INCLUDE_DIR. + (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed + for fixed headers and limits.h. + (install-include-dir, install-headers-tar, install-headers-cpio, + install-headers-cp, real-install-headers-tar, + real-install-headers-cpio, real-install-headers-cp): Handle + include-fixed as well as include. + (install-mkheaders): Don't install files that go only in include + not include-fixed. + * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR + from GCC_INCLUDE_DIR. + * gcc.c (process_command): Remove special -BstageN/ handling. + (do_spec_1): Add include-fixed directories. + +2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and + _smulsi3_highpart. + * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart): + New functions. + * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New + patterns. + +2007-02-27 Mark Mitchell <mark@codesourcery.com> + + * c-common.c (get_priority): Add check for + SUPPORTS_INIT_PRIORITY. + +2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode. + + * config/bfin/bfin.c: Include "cfglayout.h". + (MAX_LSETUP_DISTANCE): New macro. + (struct loop_info): New members incoming, incoming_src and + incoming_dest. Delete member predecessor. + (length_for_loop): New function. + (bfin_optimize_loop): Handle more different loop structures. + (bfin_discover_loop): Rework detection of predecessor blocks by + examining incoming edges. + (bfin_discover_loops, bfin_free_loops): New functions, broken out of + bfin_reorg_loops. + (bfin_reorder_loops): New function. + (bfin_reorg_loops): Use these three new functions. + + * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES, + REG_CLASS_CONTENTS): Add D0REGS through D7REGS. + (CONSTRAINT_LEN): Add entry for 'q'. + (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER. + Add 'q' constraints. + (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass. + (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2. + + * config/bfin/bfin.md (add_with_carry): New pattern. + (s_or_u, su_optab, su_modifier): New code macros/attrs. + (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl, + <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to + support unsigned multiplies too. Removed incorrect commutativity from + operand 1 constraint where appropriate. + (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New + patterns. + (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh, + <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh): + New patterns. + (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul, + usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul, + usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul, + usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul, + usmulhisi_hh_huh): New patterns. + + * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, + lshifthi3): Fix output template to use half reg for operand 2. + + * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg + instead of R2. + + * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns. + +2007-02-27 Andreas Schwab <schwab@suse.de> + + * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi. + +2007-02-27 Jan Hubicka <jh@suse.cz> + + * predict.c (last_basic_block_p): Remove. + (tree_estimate_probability): Update return heuristic for commonized + return blocks. + +2007-02-26 Brooks Moses <brooks.moses@codesourcery.com> + + * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency. + +2007-02-26 Brooks Moses <brooks.moses@codesourcery.com> + + * doc/include/gcc-common.texi (versionsubtitle): New macro. + * doc/cpp.texi: Standardize title page. + * doc/cppinternals.texi: Likewise. + * doc/gcc.texi: Standardize title page, remove version number + from copyright page. + * doc/gccint.texi: Likewise. + * doc/install.texi: Standardize title page, add table of + contents. + +2007-02-26 Jan Hubicka <jh@suse.cz> + + * predict.def: Set outcomes according to more recent results. + (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER): + Remove dead predictors. + * predict.c (return_prediction): Fix pasto. + +2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com> + + * loop-iv.c (simplify_using_initial_values): Fix oversight in previous + change; avoid a memory leak when returning early. + +2007-02-26 Mark Mitchell <mark@codesourcery.com> + + * c-decl.c (static_ctors): Move to c-common.c. + (static_dtors): Likewise. + (finish_function): Use c_record_cdtor_fn. + (build_cdtor): Move to c-common.c. + (c_write_global_declarations): Use c_build_cdtor_fns. + * c-common.h (static_ctors): Declare. + (static_dtors): Likewise. + (c_record_cdtor_fn): Likewise. + (c_build_cdtor_fns): Likewise. + * c-common.c (static_ctors): New variable. + (static_dtors): Likewise. + (c_record_cdtor_fn): New function. + (build_cdtor): Move from c-decl.c + (c_build_cdtor_fns): New function. + + * output.h (assemble_addr_to_section): Declare. + (get_cdtor_priority_section): Likewise. + * varasm.c (assemble_addr_to_section): New function. + (get_cdtor_priority_section): Likewise. + (default_named_section_asm_out_destructor): Use them. + (destor_dtor_section_asm_out_destructor): Likewise. + (default_named_section_asm_out_constructor): Likewise. + (default_ctor_section_asm_out_constructor): Likewise. + * config.gcc (*-*-vxworks*): Include vxworks.o. + * config/t-vxworks (vxworks.o): New target. + * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove. + (TARGET_ASM_CONSTRUCTOR): Define. + (TARGET_ASM_DESTRUCTOR): Likewise. + (vxworks_asm_out_constructor): Declare. + (vxworks_asm_out_destructor): Likewise. + + * c-common.c (get_priority): Check that we have not just an + INTEGER_CST, but an integer constant with integeral type. + +2007-02-25 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/30938 + * tree-vect-transform.c (vectorizable_call): Fix off-by-one error: + use &dt[nargs-1] instead of &dt[nargs] in the call to + vect_is_simple_use(). + +2007-02-25 Ulrich Weigand <uweigand@de.ibm.com> + + * reload.c (find_reloads_address_1): Handle PLUS expressions resulting + from register elimination as PRE_MODIFY / POST_MODIFY increments. + Do not attempt to handle MEM inside auto-inc expressions. + * reload1.c (eliminate_regs_1): Do not attempt to handle elimination + of a register modified by an auto-inc expression. However, do handle + elimination of a register used as PRE_MODIFY / POST_MODIFY increment. + (elimination_effects): Prohibit elimination of a register modified + by an auto-inc expression. Disable register elimination rules whose + target register is modified by an auto-inc expression with variable + increment. + +2007-02-25 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix + off-by-one error. + (array_at_struct_end_p): New function. + (idx_infer_loop_bounds): Use it. + (estimate_numbers_of_iterations_loop): Export. + * predict.c (predict_loops): Use estimated_loop_iterations_int. + Do not use PRED_LOOP_EXIT on exits predicted by # of iterations. + (tree_estimate_probability): Call record_loop_exits. + * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ... + (estimated_loop_iterations, estimated_loop_iterations_int, + estimated_loop_iterations_tree): New functions. + (analyze_siv_subscript_cst_affine, + compute_overlap_steps_for_affine_1_2, + analyze_subscript_affine_affine): Use estimated_loop_iterations_int. + (analyze_miv_subscript): Use estimated_loop_iterations_tree. + * predict.def (PRED_LOOP_ITERATIONS): Update comment. + (PRED_LOOP_ITERATIONS_GUESSED): New. + * cfgloop.c (record_loop_exits): Do nothing if there are no loops. + * cfgloop.h (estimate_numbers_of_iterations_loop, + estimated_loop_iterations_int): Declare. + +2007-02-25 Mark Mitchell <mark@codesourcery.com> + + * doc/extend.texi: Document optional priority argument to + constructors and destructors. + * tree.c (init_priority_for_decl): Adjust GTY markers. + (init_ttree): Use priority-info hash functions for + init_priority_for_decl. + (tree_map_eq): Rename to ... + (tree_map_base_eq): ... this. + (tree_map_marked_p): Rename to ... + (tree_map_base_marked_p): ... this. + (tree_map_base_hash): New function. + (decl_init_priority_lookup): Rework. + (decl_fini_priority_lookup): New function. + (decl_priority_info): New function. + (decl_init_priority_insert): Use it. + (decl_fini_priority_insert): Likewise. + (decl_restrict_base_lookup): Adjust for refactoring of tree_map + hierarchy. + (decl_restrict_base_insert): Likewise. + (decl_debug_expr_insert): Likewise. + (decl_value_expr_lookup): Likewise. + (decl_value_expr_insert): Likewise. + * tree.h (priority_type): New type. + (decl_init_priority_lookup): Use priority_type. + (decl_fini_priority_lookup): New function. + (decl_init_priority_insert): Use priority_type. + (decl_fini_priority_insert): New function. + (DECL_HAS_INIT_PRIORITY): Tweak comments. + (DECL_INIT_PRIORITY): Likewise. + (SET_DECL_INIT_PRIORITY): Add comment. + (DECL_FINI_PRIORITY): New macro. + (SET_DECL_FINI_PRIORITY): Likewise. + (DEFAULT_INIT_PRIORITY): Document. + (MAX_INIT_PRIORITY): Likewise. + (MAX_RESERVED_INIT_PRIORITY): Likewise. + (tree_map_base): New type. + (tree_map_base_eq): New function. + (tree_map_base_hash): Likewise. + (tree_map_base_marked_p): Likewise. + (tree_map): Inherit from tree_map_base. + (tree_map_eq): Make it a macro. + (tree_map_marked_p): Likewise. + (tree_int_map): Inherit from tree_map_base. + (tree_int_map_eq): Make it a macro. + (tree_int_map_hash): Likewise. + (tree_int_map_marked_p): Likewise. + (tree_priority_map): New type. + (tree_priority_map_eq): New macro. + (tree_priority_map_hash): Likewise. + (tree_priority_map_marked_p): Likewise. + * varasm.c (emults_decl): Adjust for refactoring of tree_map + hierarchy. + (emutls_common_1): Likewise. + * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise. + * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring + of tree_map hierarchy. + * tree-cfg.c (move_stmt_r): Likewise. + (new_label_mapper): Likewise. + * c-tree.h (c_expand_body): Move to ... + * c-common.h (c_expand_body): ... here. + * c-decl.c (c_expand_body): Move to ... + * c-common.c (c_expand_body): ... here. + (c_common_attribute_table): Allow 1 argument for the constructor + and destructor attributes. + (get_priority): New function. + (handle_constructor_attribute): Set DECL_INIT_PRIORITY. + (handle_destructor_attribute): Set DECL_FINI_PRIORITY. + +2007-02-24 Jan Hubicka <jh@suse.cz> + + PR middle-end/30509 + * tree-inline.c (copy_bb): Produce exact copy of EH info when + copying for inlining. + +2007-02-24 Uros Bizjak <ubizjak@gmail.com> + Jan Hubicka <jh@suse.cz> + + PR target/30778 + * cofnig/i386/i386.c (counter_mode): New function. + (expand_set_or_movmem_via_loop): Use it. + (expand_movmem_epilogue): Likewise; fix pasto. + (ix86_expand_movmem): Do emit guard even for constant counts. + (ix86_expand_setmem): Likewise. + +2007-02-25 Nick Clifton <nickc@redhat.com> + + * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete. + (JUMP_TABLES_IN_TEXT_SECTION): Define. + +2007-02-24 Uros Bizjak <ubizjak@gmail.com> + + PR target/30770 + * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask + count argument with 0x10, not with 0x16. + (expand_setmem_epilogue): Ditto. + +2007-02-24 Mike Stump <mrs@apple.com> + + * config/i386/i386.c (output_pic_addr_const): Stubify optimized + symbols. + +2007-02-24 Richard Guenther <rguenther@suse.de> + + PR middle-end/30951 + * fold-const.c (fold_binary): Fold x +- CST op x for + EQ_EXPR and NE_EXPR. + +2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.md (muldi3): Force subregs to registers in 64-bit expander. + +2007-02-24 Jan Hubicka <jh@suse.cz> + + * cgraphunit.c (decide_is_function_needed): Honor + -fkeep-inline-functions. + +2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (fold_builtin_modf): New. + (fold_builtin_2): Use it. + +2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com> + + * loop-iv.c (implies_p): Detect additional cases where A implies B. + (determine_max_iter): Take additional LOOP arg; all callers changed. + Lose broken logic dealing with PLUS. Try to limit the upper bound by + one using simplifications. + (simplify_using_initial_values): Return if the expression becomes + invalid due to altered regs. + +2007-02-23 DJ Delorie <dj@redhat.com> + + * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro. + +2007-02-23 Mike Stump <mrs@apple.com> + + * tlink.c (scan_linker_output): Parse linker messages from + darwin9's linker better. + +2007-02-23 Steve Ellcey <sje@cup.hp.com> + + PR debug/29614 + * varpool.c (varpool_assemble_pending_decls): Set + varpool_last_needed_node to null. + +2007-02-23 DJ Delorie <dj@redhat.com> + + * config/i386/i386.c (ix86_data_alignment): Don't specify an + alignment bigger than the object file can handle. + +2007-02-23 Uros Bizjak <ubizjak@gmail.com> + + PR target/30825 + * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32, + zero_extendsidi2_rex64): Penalize MMX register<->memory moves. + (*movsf_1): Penalize MMX moves. + +2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate + 2^32-1 or more times unless flag_unsafe_loop_optimizations. + + * loop-iv.c (determine_max_iter): Moved in front of its sole user. + +2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (fold_builtin_logb, fold_builtin_significand): New. + (fold_builtin_1): Use them. + * fold-const.c (tree_expr_nonnegative_warnv_p): Handle + BUILT_IN_SIGNIFICAND. + +2007-02-23 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (bdesc_1arg): Initialize + IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with + "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup". + (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP + and IX86_BUILTIN_MOVSLDUP. + +2007-02-22 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/30841 + * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address. + +2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (fold_builtin_frexp): New. + (fold_builtin_2): Use it. + +2007-02-22 Mark Mitchell <mark@codesourcery.com> + + * doc/invoke.texi (Spec Files): Document getenv spec function. + + * gcc.c (getenv_spec_function): New function. + (static_spec_functions): Add it. + * config/vxworks.h (VXWORKS_TARGET_DIR): Remove. + (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks + header files. + +2007-02-22 Michael Matz <matz@suse.de + + PR c++/29433 + * dwarf2out.c (add_AT_string): Call ggc_strdup once per string. + (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME. + +2007-02-22 Ian Lance Taylor <iant@google.com> + + PR debug/30898 + * dwarf2out.c (concatn_mem_loc_descriptor): New static function. + (mem_loc_descriptor): Call it. + +2007-02-22 Zdenek Dvorak <dvorakz@suse.cz> + Ira Rosen <irar@il.ibm.com> + + * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account. + +2007-02-22 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/30843 + * tree-vect-transform.c (vect_transform_loop): Remove strided scalar + stores only after all the group is vectorized. + +2007-02-22 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/30858 + * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts + in the reduction cycle have a single use in the loop. + * tree-vectorizer.h (relevant): Add documentation. + +2007-02-20 Mike Stump <mrs@apple.com> + + * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>. + * configure: Regenerate. + +2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com> + + Change the defaults of some parameters and options. + * config/spu/spu-protos.h (spu_optimization_options): Declare. + * config/spu/spu.c (spu_optimization_options): Add. + (spu_override_options): Change params in spu_optimization_options. + * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define. + + Register 127 is only 16 byte aligned when used as a frame pointer. + * config/spu/spu-protos.h (spu_init_expanders): Declare. + * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for + HARD_FRAME_POINTER_REGNUM. + (spu_legitimate_address): Use regno_aligned_for_reload. + (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte + aligned when frame_pointer_needed is true. + (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM + to 8 bits. + * config/spu/spu.h (INIT_EXPANDERS): Define. + + Make sure shift and rotate instructions have valid immediate operands. + * config/spu/predicates.md (spu_shift_operand): Remove. + * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers. + * config/spu/constraints.md (W, O): Extend range. + * config/spu/spu.md (umask, nmask): Define. + (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti, + lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>, + rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>, + rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use + spu_nonmem_operand instead of spu_shift_operands. Use new modifiers. + (lshr<mode>3_reg): Fix rtl description. + + Make sure mulhisi immediate operands are valid. + * config/spu/predicates.md (imm_K_operand): Add. + * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand. + + Generate constants using fsmbi and andi. + * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2. + (print_operand, spu_split_immediate, classify_immediate, + fsmbi_const_p): Handle IC_FSMBI2. + + Correctly handle a CONST_VECTOR containing symbols. + * config/spu/spu.c (print_operand): Handle HIGH correctly. + (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem. + (immediate_load_p): Allow symbols that use 2 instructions to create. + (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR + with symbols when flag_pic is set. + (const_vector_immediate_p): New. + (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't + accept a CONST_VECTOR with symbols. + (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't + accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH + correctly. + * config/spu/spu.md (high, low): Delete. + (low_<mode>): Define. + + Remove INTRmode and INTR_REGNUM, which didn't work. + * config/spu/spu.c (spu_conditional_register_usage): Remove reference + of INTR_REGNUM. + * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr, + set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed + peephole2 pattern): Don't use INTR or 131. + (movintrcc): Delete. + * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, + CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM. + * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove. + (UNSPEC_SET_INTR): Add. + * config/spu/spu-modes.def (INTR): Remove. + + More accurate warnings about run-time relocations. + * config/spu/spu.c (reloc_diagnostic): Test in_section. + + Correctly warn about immediate arguments to specific intrinsics. + * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs. + (spu_expand_builtin_1): Call spu_check_builtin_parm before checking + the instruction predicate. + + Fix tree check errors with latest update. + * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use + CALL_EXPR_ARG. + (spu_expand_builtin): Use CALL_EXPR_FN. + + Add missing specific intrinsics. + * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and + si_bislede. + * config/spu/spu_internals.h: Ditto. + + Fix incorrect operand modifiers. + * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H. + * config/spu/spu.md (xor<mode>3): Change %S to %J. + + Optimize one case of zero_extend of a vec_select. + * config/spu/spu.md (_vec_extractv8hi_ze): Add. + + Accept any immediate for hbr. + * config/spu/spu.md (hbr): Change s constraints to i. + +2007-02-21 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt + condexec_count when skipping USE and CLOBBER. + +2007-02-21 Nick Clifton <nickc@redhat.com> + + * common.opt (Warray-bounds): Add Warning attribute. + (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch): + Likewise. + (fsized-zeroes): Add Optimization attribute. + (fsplit-wide-types, ftree-scev-cprop): Likewise. + * c.opt (Wc++0x-compat): Add Warning attribute. + +2007-02-21 Ulrich Weigand <uweigand@de.ibm.com> + + PR middle-end/30761 + * reload1.c (eliminate_regs_in_insn): In the single_set special + case, attempt to re-recognize the insn before falling back to + having reload fix it up. + +2007-02-20 Eric Christopher <echristo@gmail.com> + + * config/frv/frv.c (frv_read_argument): Take a tree and int argument. + Rewrite accordingly. + (frv_read_iacc_argument): Ditto. + (frv_expand_set_builtin): Take a call instead of arglist, update for + above changes. + (frv_expand_unop_builtin): Ditto. + (frv_expand_binop_builtin): Ditto. + (frv_expand_cut_builtin): Ditto. + (frv_expand_binopimm_builtin): Ditto. + (frv_expand_voidbinop_builtin): Ditto. + (frv_expand_int_void2arg): Ditto. + (frv_expand_prefetches): Ditto. + (frv_expand_voidtriop_builtin): Ditto. + (frv_expand_voidaccop_builtin): Ditto. + (frv_expand_load_builtin): Ditto. + (frv_expand_store_builtin): Ditto. + (frv_expand_mdpackh_builtin): Ditto. + (frv_expand_mclracc_builtin): Ditto. + (frv_expand_mrdacc_builtin): Ditto. + (frv_expand_mwtacc_builtin): Ditto. + (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update + calls for above. + +2007-02-20 Janis Johnson <janis187@us.ibm.com> + + * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp. + * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the + cmpb instruction. + (HAVE_GAS_DFP): Check for assembler support of decimal floating + point instructions. + * configure: Regenerate. + * config.in: Regenerate. + * config/rs6000/rs6000.opt (mcmpb, mdfp): New. + * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP + masks to power6 and power6x and to POWERPC_MASKS. + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define + _ARCH_PWR6. + * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP. + * config/rs6000/sysv4.opt (mprototype): Use variable, not mask. + * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): + Access PROTOTYPE as variable, not mask. + +2007-02-20 Steven Bosscher <steven@gcc.gnu.org> + + * rtl.h (remove_reg_equal_equiv_notes): New prototype. + * rtlanal.c (remove_reg_equal_equiv_notes): New function. + * combine.c (adjust_for_new_dest): Use it. + * postreload.c (reload_combine): Likewise. + +2007-02-20 Steven Bosscher <steven@gcc.gnu.org> + + * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ* + notes on an insn with multiple sets, even if single_set returns + non-NULL for that insn. + +2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb, + scalbn and scalbln. + +2007-02-20 Geoffrey Keating <geoffk@apple.com> + + * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only + if user didn't pass it. + * config/i386/darwin.h (CC1_SPEC): Likewise. + * config/rs6000/darwin.h (CC1_SPEC): Likewise. + (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of + -mmacosx-version-min. + +2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + Uros Bizjak <ubizjak@gmail.com> + + * optabs.h (enum optab_index): Add new OTI_scalb. + (scalb_optab): Define corresponding macro. + * optabs.c (init_optabs): Initialize scalb_optab. + * genopinit.c (optabs): Implement scalb_optab using scalb?f3 + patterns. + * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle + BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}. + (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} + and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if + flag_unsafe_math_optimizations is set. + + * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders + to implement scalbf, scalb and scalbl built-ins as inline x87 + intrinsics. + +2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + DJ Delorie <dj@redhat.com> + + PR other/30824 + * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to... + (diagnostic_report_diagnostic): ... here, and turn them into real + errors. If warnings are inhibited, no need to do anything. + +2007-02-20 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (expm1xf2): Reorder insn sequence for + better code generation. + +2007-02-20 Ben Elliston <bje@au.ibm.com> + + * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;. + +2007-02-20 Kazu Hirata <kazu@codesourcery.com> + + * config/alpha/alpha.c, config/alpha/alpha.md, + config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c, + config/alpha/vms-psxcrt0-64.c, config/arc/arc.c, + config/arc/arc.h, config/arm/arm.c, config/arm/arm.md, + config/arm/lib1funcs.asm: Follow spelling conventions. + + * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c, + config/fr30/fr30.md, config/i386/i386.h, + config/iq2000/iq2000.h, config/iq2000/predicates.md, + config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h, + config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h, + config/pdp11/pdp11.c, config/pdp11/pdp11.h, + config/rs6000/altivec.md, config/rs6000/rs6000.c, + config/s390/s390-modes.def, config/sparc/netbsd-elf.h, + config/sparc/sparc.c, config/sparc/sparc.h, + config/sparc/sparc.md, config/spu/constraints.md, + config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling + conventions. + +2007-02-20 Alan Modra <amodra@bigpond.net.au> + + PR target/29943 + * varasm.c (use_blocks_for_decl_p): Return false for decls with + alias attribute. + +2007-02-19 Kazu Hirata <kazu@codesourcery.com> + + * doc/invoke.texi (-ftree-lrs): Remove. + +2007-02-19 Diego Novillo <dnovillo@redhat.com> + + * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to + NULL. + +2007-02-19 Lee Millward <lee.millward@codesourcery.com> + + * config/ia64/ia64.c (ia64_expand_builtin): Use the + new CALL_EXPR_FN macro for retrieving the function + declaration of the input expression. + +2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * c.opt (Waddress): New. + * common.opt (Walways-true): Delete. + (Wstring-literal-comparison): Delete. + * doc/invoke.texi (Warning Options): Delete -Walways-true and + -Wstring-literal-comparison. Add -Waddress. + (Waddress): New. + (Walways-true): Delete. + (Wstring-literal-comparison): Delete. + * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat + consistently instead of -Walways-true in example. + * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall. + * c-typeck.c (parser_build_binary_op): Replace + -Wstring-literal-comparison and -Walways-true with -Waddress. + * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true + with -Waddress. + +2007-02-19 Eric Botcazou <ebotcazou@adacore.com> + + * tree-cfg.c (dump_function_to_file): Be prepared for functions + without DECL_STRUCT_FUNCTION initialized. + +2007-02-19 Eric Botcazou <ebotcazou@adacore.com> + + * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap + due to calls to functions taking pointers as parameters. + +2007-02-19 Richard Henderson <rth@redhat.com> + + PR debug/29558 + * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P + in memory. + +2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (s390_call_saved_register_used, + s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are + accessed to the new scheme. + +2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de> + + * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p) + (cris_print_index, cris_print_operand, cris_print_operand_address) + (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost) + (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx) + (cris_expand_pic_call_address): Use xxx_P predicate macros instead of + GET_CODE () == xxx. + * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q, + EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P, + GO_IF_LEGITIMATE_ADDRESS): Ditto. + * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>) + (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem) + (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi) + (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3) + (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side) + (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3) + (uminsi3, call, call_value): Ditto. + (define_split: indir_to_reg_split, unnamed): Ditto. + +2007-02-19 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/30975 + * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove + wrong assert. + +2007-02-18 Eric Christopher <echristo@gmail.com> + + * mips.c (mips_prepare_builtin_arg): Add argnum parameter. + Remove use of arglist. + (mips_expand_builtin): Remove use of arglist, pass in expr. + (mips_expand_builtin_direct): Rewrite handling for arglist removal. + (mips_expand_builtin_movtf): Ditto. + (mips_expand_builtin_compare): Ditto. + +2007-02-19 Alexandre Oliva <aoliva@redhat.com> + + * tree-sra.c (sra_build_assignment): Replace assertion + checking with a comment explaining why it can't be done. + +2007-02-18 Sandra Loosemore <sandra@codesourcery.com> + + PR middle-end/30833 + * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed + during CALL_EXPR representation conversion. + * tree-ssa-propagate.c (set_rhs): Likewise. + +2007-02-19 Alexandre Oliva <aoliva@redhat.com> + + * tree-sra.c (sra_build_assignment): Disable assertion checking + for now. + +2007-02-18 Roger Sayle <roger@eyesopen.com> + + * function.c (gimplify_parameters): Call build_gimple_modify_stmt + instead of calling build2 with a GIMPLE_MODIFY_STMT. + * gimple-low.c (lower_function_body, lower_builtin_setjmp): + Likewise. + * gimplify.c (build_stack_save_restore, gimplify_return_expr, + gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr, + gimplify_init_ctor_eval_range, gimple_push_cleanup, + gimplify_omp_for, gimplify_omp_atomic_pipeline, + gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos, + force_gimple_operand): Likewise. + * ipa-cp.c (constant_val_insert): Likewise. + * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression, + lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y, + perfect_nestify): Likewise. + * langhooks.c (lhd_omp_assignment): Likewise. + * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses, + lower_copyprivate_clauses, lower_send_clauses, + lower_send_shared_vars, expand_parallel_call, + expand_omp_for_generic, expand_omp_for_static_nochunk, + expand_omp_for_static_chunk, expand_omp_sections, + lower_omp_single_copy, lower_omp_for_lastprivate, + lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise. + * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2, + tree_mod_subtract, tree_ic, tree_stringop_fixed_value): + Likewise. + +2007-02-19 Kazu Hirata <kazu@codesourcery.com> + + * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h, + config/sh/sh.md: Follow spelling conventions. + + * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md, + config/frv/predicates.md: Follow spelling conventions. + + * config/m68k/linux-unwind.h: Fix a comment typo. + * target.h: Follow spelling conventions. + +2007-02-18 Roger Sayle <roger@eyesopen.com> + + PR rtl-optimization/28173 + * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize + (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects. + Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0. + Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2. + <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2). + +2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (fold_builtin_load_exponent): New. + (fold_builtin_2): Use it. + +2007-02-18 Steven Bosscher <steven@gcc.gnu.org> + + PR rtl-optimization/30773 + * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init + if we fail to attach a REG_EQUIV note. + +2007-02-18 David Edelsohn <edelsohn@gnu.org> + Roger Sayle <roger@eyesopen.com> + + * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter. + +2007-02-18 Sandra Loosemore <sandra@codesourcery.com> + + * calls.c (initialize_argument_information): Pass original EXP + and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move + code to split complex arguments here, as part of initializing the + ARGS array. + (expand_call): Remove code that builds a list of arguments and + inserts implicit arguments into it. Instead, just count how many + implicit arguments there will be so we can determine the size of + the ARGS array, and let initialize_argument_information do the work. + (split_complex_values): Delete unused function. + +2007-02-18 Eric Botcazou <ebotcazou@adacore.com> + + * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR. + +2007-02-18 Eric Botcazou <ebotcazou@adacore.com> + + * calls.c (mem_overlaps_already_clobbered_arg_p): Return true + for arg pointer based indexed addressing. + +2007-02-18 Kazu Hirata <kazu@codesourcery.com> + + * config/ia64/ia64.h, config/ia64/ia64.md, + config/ia64/predicates.md, config/ia64/sysv4.h: Follow + spelling conventions. + +2007-02-18 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.c (split_di): New. + * config/m68k/m68k-protos.h: Declare split_di. + * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*): + Improve predicate handling and split constant shifts. + +2007-02-18 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.md (extv,extzv,insv): disable dynamic + parameter for register bitfield operations, general predicates + cleanup + +2007-02-18 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define. + * config/m68k/linux-unwind.h: New file. + +2007-02-18 Kazu Hirata <kazu@codesourcery.com> + + * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c, + config/i386/athlon.md, config/ia64/ia64.md, + config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md, + df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c, + ipa-prop.h, see.c, struct-equiv.c, tree-inline.c, + tree-ssa-loop-niter.c, tree-vect-analyze.c, + tree-vect-transform.c: Fix comment typos. + +2007-02-17 Kazu Hirata <kazu@codesourcery.com> + + * sched-deps.c (find_insn_list): Remove. + * sched-int.h: Remove the prototype for find_insn_list. + +2007-02-16 Geoffrey Keating <geoffk@apple.com> + + * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min + to linker. + (DARWIN_EXTRA_SPECS): Add %(darwin_minversion). + * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call + darwin_rs6000_override_options. + (C_COMMON_OVERRIDE_OPTIONS): Expect + darwin_macosx_version_min to be non-NULL always. + (TARGET_C99_FUNCTIONS): Likewise. + (CC1_SPEC): Always pass -mmacosx-version-min to cc1*. + (DARWIN_MINVERSION_SPEC): New. + * config/rs6000/rs6000.c (darwin_rs6000_override_options): New. + * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min + to cc1*. + (DARWIN_MINVERSION_SPEC): New. + * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL + value. + * config/darwin-c.c (darwin_cpp_builtins): Expect + darwin_macosx_version_min to be non-NULL always. + + * config/rs6000/rs6000.c: Clean up trailing whitespace. + +2007-02-16 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (x86_use_xchgb): New. + (TARGET_USE_XCHGB): New macro. + * config/i386/i386.c (x86_use_xchgb): Set for PENT4. + * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter): + Split after reload into bswaphi for shifts of 8. + (bswaphi_lowpart): Generate rolw insn for HImode byte swaps. + (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB + or when optimizing for size. + +2007-02-16 Richard Guenther <rguenther@suse.de> + Christian Bruel <christian.bruel@st.com> + + * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like + DECLs but prefer SSA_NAMEs over DECLs. + +2007-02-16 Richard Guenther <rguenther@suse.de> + + * tree-flow-inline.h (single_imm_use_p): Remove. + (zero_imm_uses_p): Likewise. + * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use + instead of single_imm_use_p. + * tree-cfg.c (replace_uses_by): Use has_zero_use instead of + zero_imm_uses_p. + +2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR other/27843 + * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid + nested double- and backquotes. + +2007-02-15 Roger Sayle <roger@eyesopen.com> + + PR middle-end/30391 + * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT + should be unreachable. + (build2_stat): Allow construction of MODIFY_EXPR at any time. + For the time being redirect GIMPLE_MODIFY_STMT to the new + (renamed) build_gimple_modify_stmt_stat. + (build2_gimple_stat): Rename to... + (build_gimple_modify_stmt_stat): Now longer take a CODE argument. + Always build a GIMPLE_MODIFY_STMT node. + * tree.h (build2_gimple, build2_gimple_stat): Delete. + (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New + declarations. + + * tree-cfg.c (factor_computed_gotos, tree_merge_blocks, + gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple. + * tree-complex.c (set_component_ssa_name, expand_complex_move, + expand_complex_div_wide): Likewise. + * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise. + * tree-ssa-loop-im.c (schedule_sm): Likewise. + * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise. + * tree-ssa-loop-manip.c (create_iv): Likewise. + * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement, + abs_replacement): Likewise. + * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt, + realify_fake_stores): Likewise. + + * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR + node rather than a GIMPLE_MODIFY_STMT node. + (std_gimpify_va_arg_expr, expand_builtin_va_copy, + fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos): + Likewise. + (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT. + * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and + GIMPLE_MODIFY_STMT. + +2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/30433 + * fold-const.c (fold_comparison): Add back the + folding of constant complex comparisions. + +2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/30729 + * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side + effects unknown to this function, return early. + +2007-02-15 Ian Lance Taylor <iant@google.com> + + * lower-subreg.c (move_eh_region_note): New static function. + (resolve_simple_move): Call it. + (decompose_multiword_subregs): Track blocks for which we resolve a + simple move which is also a control flow insn. Pass them to + find_many_sub_basic_blocks. + (pass_lower_subreg): Add TODO_verify_flow. + (pass_lower_subreg2): Likewise. + +2007-02-15 Sandra Loosemore <sandra@codesourcery.com> + Brooks Moses <brooks.moses@codesourcery.com> + Lee Millward <lee.millward@codesourcery.com> + + * tree.h (enum tree_code_class): Add tcc_vl_exp. + (VL_EXP_CLASS_P): New. + (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of + TREE_CODE_LENGTH. + (TREE_OPERAND_CHECK_CODE): Likewise. + (GIMPLE_STMT_OPERAND_CHECK): Likewise. + (TREE_RTL_OPERAND_CHECK): Likewise. + (tree_operand_check_failed): Make second parameter the whole tree + instead of its code. Fixed callers. + (VL_EXP_CHECK): New. + (TREE_OPERAND_LENGTH): New. + (VL_EXP_OPERAND_LENGTH): New. + (CALL_EXPR_FN): New. + (CALL_EXPR_STATIC_CHAIN): New. + (CALL_EXPR_ARGS): New. + (CALL_EXPR_ARG): New. + (call_expr_nargs): New. + (CALL_EXPR_ARGP): New. + (build_nt_call_list): Declare. + (build_vl_exp_stat): Declare. + (build_vl_exp): New. + (build_call_list): Declare. + (build_call_nary): Declare. + (build_call_valist): Declare. + (build_call_array): Declare. + (call_expr_arg): Declare. + (call_expr_argp): Declare. + (call_expr_arglist): Declare. + (fold_build_call_list): Declare. + (fold_build_call_list_initializer): Declare. + (fold_call_expr): Declare to replace fold_builtin. + (fold_builtin_fputs): Update to agree with modified definition. + (fold_builtin_strcpy): Likewise. + (fold_builtin_strncpy): Likewise. + (fold_builtin_memory_chk): Likewise. + (fold_builtin_stxcpy_chk): Likewise. + (fold_builtin_strncpy_chk): Likewise. + (fold_builtin_next_arg): Likewise. + (fold_build_call_expr): Declare. + (fold_builtin_call_list): Declare. + (fold_builtin_call_valist): Declare. + (build_call_expr): Declare. + (validate_arglist): Update to agree with modified definition. + (tree_operand_length): New. + (call_expr_arg_iterator): New. + (init_call_expr_arg_iterator): New. + (next_call_expr_arg): New. + (first_call_expr_arg): New. + (more_call_expr_args_p): New. + (FOR_EACH_CALL_EXPR_ARG): New. + + * tree.c (tree_code_class_string): Add entries for tcc_vl_exp + and tcc_gimple_stmt. + (tree_code_size): Update documentation. Use sizeof (tree) rather + than sizeof (char *). + (tree_size): Likewise. Add case for tcc_vl_exp. + (tree_node_structure): Add case for tcc_vl_exp. + (contains_placeholder_p): Likewise. + (substitute_in_expr): Likewise. + (substitute_placeholder_in_expr): Likewise. + (stabilize_reference_1): Likewise. + (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion + to diagnose breakage of this interface for constructing CALL_EXPRs. + (build_nt): Add similar assertion here. + (build_nt_call_list): New. + (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors. + (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of + TREE_CODE_LENGTH. + (get_callee_fndecl): Use new CALL_EXPR accessors. + (tree_operand_check_failed): Change parameters to pass entire node + instead of its code, so that we can call TREE_OPERAND_LENGTH on it. + (process_call_operands): New. + (build_vl_exp_stat): New. + (build_call_list): New. + (build_call_nary): New. + (build_call_valist): New. + (build_call_array): New. + (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. + (call_expr_arglist): New. + + * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use + tcc_vl_exp instead of a fixed-size tcc_expression. + + * doc/c-tree.texi (CALL_EXPR): Document new representation and + accessors for CALL_EXPRs. + (AGGR_INIT_EXPR): Likewise. + +2007-02-15 Sandra Loosemore <sandra@codesourcery.com> + Brooks Moses <brooks.moses@codesourcery.com> + Lee Millward <lee.millward@codesourcery.com> + + * builtins.c (c_strlen): Return NULL_TREE instead of 0. + (expand_builtin_nonlocal_goto): Change parameter to be entire + CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors. + (expand_builtin_prefetch): Likewise. + (expand_builtin_classify_type): Likewise. + (mathfn_built_in): Return NULL_TREE instead of 0. + (expand_errno_check): Use new CALL_EXPR accessors. + (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors. + Return NULL_RTX instead of 0. + (expand_builtin_mathfn_2): Likewise. + (expand_builtin_mathfn_3): Likewise. + (expand_builtin_interclass_mathfn): Likewise. + (expand_builtin_sincos): Likewise. + (expand_builtin_cexpi): Likewise. + (expand_builtin_int_roundingfn): Likewise. + (expand_builtin_int_roundingfn_2): Likewise. + (expand_builtin_pow): Likewise. + (expand_builtin_powi): Likewise. + (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead + of arglist, fixing callers appropriately. Use new CALL_EXPR + accessors and constructors. Return NULL_RTX instead of 0. + (expand_builtin_strstr): Likewise. + (expand_builtin_strchr): Likewise. + (expand_builtin_strrchr): Likewise. + (expand_builtin_strpbrk): Likewise. + (expand_builtin_memcpy): Likewise. + (expand_builtin_mempcpy): Likewise. + (expand_builtin_mempcpy_args): New. + (expand_builtin_memmove): Similarly to expand_builtin_mempcpy. + (expand_builtin_memmove_args): New. + (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy. + (expand_movstr): Likewise. + (expand_builtin_strcpy): Likewise. + (expand_builtin_strcpy_args): New. + (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy. + (expand_builtin_strncpy): Likewise. + (expand_builtin_memset): Likewise. + (expand_builtin_memset_args): New. + (expand_builtin_bzero): Similarly to expand_builtin_memset. + (expand_builtin_memcmp): Likewise. + (expand_builtin_strcmp): Likewise. + (expand_builtin_strncmp): Likewise. + (expand_builtin_strcat): Likewise. + (expand_builtin_strncat): Likewise. + (expand_builtin_strspn): Likewise. + (expand_builtin_strcspn): Likewise. + (expand_builtin_args_info): Likewise. + (expand_builtin_va_start): Likewise. + (gimplify_va_arg_expr): Likewise. + (expand_builtin_va_end): Likewise. + (expand_builtin_va_copy): Likewise. + (expand_builtin_frame_address): Likewise. + (expand_builtin_alloca): Likewise. + (expand_builtin_bswap): Likewise. + (expand_builtin_unop): Likewise. + (expand_builtin_fputs): Likewise. + (expand_builtin_expect): Likewise. + (expand_builtin_fabs): Likewise. + (expand_builtin_copysign): Likewise. + (expand_builtin_printf): Likewise. + (expand_builtin_fprintf): Likewise. + (expand_builtin_sprintf): Likewise. + (expand_builtin_init_trampoline): Likewise. + (expand_builtin_signbit): Likewise. + (expand_builtin_fork_or_exec): Likewise. + (expand_builtin_sync_operation): Likewise. + (expand_builtin_compare_and_swap): Likewise. + (expand_builtin_lock_test_and_set): Likewise. + (expand_builtin_lock_release): Likewise. + (expand_builtin): Likewise. + (builtin_mathfn_code): Likewise. + + (fold_builtin_constant_p): Pass call arguments individually instead + of as an arglist, fixing callers appropriately. Use new CALL_EXPR + accessors and constructors. Return NULL_TREE instead of 0. + (fold_builtin_expect): Likewise. + (fold_builtin_classify_type): Likewise. + (fold_builtin_strlen): Likewise. + (fold_builtin_nan): Likewise. + (integer_valued_real_p): Likewise. + (fold_trunc_transparent_mathfn): Likewise. + (fold_fixed_mathfn): Likewise. + (fold_builtin_cabs): Likewise. + (fold_builtin_sqrt): Likewise. + (fold_builtin_cbrt): Likewise. + (fold_builtin_cos): Likewise. + (fold_builtin_cosh): Likewise. + (fold_builtin_tan): Likewise. + (fold_builtin_sincos): Likewise. + (fold_builtin_cexp): Likewise. + (fold_builtin_trunc): Likewise. + (fold_builtin_floor): Likewise. + (fold_builtin_ceil): Likewise. + (fold_builtin_round): Likewise. + (fold_builtin_int_roundingfn): Likewise. + (fold_builtin_bitop): Likewise. + (fold_builtin_bswap): Likewise. + (fold_builtin_logarithm): Likewise. + (fold_builtin_hypot): Likewise. + (fold_builtin_pow): Likewise. + (fold_builtin_powi): Likewise. + (fold_builtin_exponent): Likewise. + (fold_builtin_memset): Likewise. + (fold_builtin_bzero): Likewise. + (fold_builtin_memory_op): Likewise. + (fold_builtin_bcopy): Deleted; call site changed to invoke + fold_builtin_memory_op directly. + (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op. + (fold_builtin_strncpy): Likewise. + (fold_builtin_memcmp): Likewise. + (fold_builtin_strcmp): Likewise. + (fold_builtin_strncmp): Likewise. + (fold_builtin_signbit): Likewise. + (fold_builtin_copysign): Likewise. + (fold_builtin_isascii): Likewise. + (fold_builtin_toascii): Likewise. + (fold_builtin_isdigit): Likewise. + (fold_builtin_fabs): Likewise. + (fold_builtin_abs): Likewise. + (fold_builtin_fmin_fmax): Likewise. + (fold_builtin_carg): Likewise. + (fold_builtin_classify): Likewise. + (fold_builtin_unordered_cmp): Likewise. + + (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4): + New functions split out from fold_builtin_1. + (fold_builtin_n): New. + (fold_builtin_varargs): New. + (fold_builtin): Deleted. Most callers changed to use fold_call_expr + instead. + (fold_call_expr): New. + (build_function_call_expr): Rewrite to use new helper function. + (fold_builtin_call_list): New. + (build_call_expr): New. + (fold_builtin_call_valist): New. + (rewrite_call_expr): New. + (validate_arg): New. + (validate_arglist): Change parameter to be entire CALL_EXPR instead + of an arglist. Change return type to bool. Use new CALL_EXPR + accessors. + + (fold_builtin_strstr): Pass call arguments individually instead + of as an arglist, fixing callers appropriately. Use new CALL_EXPR + accessors and constructors. Return NULL_TREE instead of 0. + (fold_builtin_strchr): Likewise. + (fold_builtin_strrchr): Likewise. + (fold_builtin_strpbrk): Likewise. + (fold_builtin_strcat): Likewise. + (fold_builtin_strncat): Likewise. + (fold_builtin_strspn): Likewise. + (fold_builtin_strcspn): Likewise. + (fold_builtin_fputs): Likewise. + (fold_builtin_next_arg): Likewise. + (fold_builtin_sprintf): Likewise. + + (expand_builtin_object_size): Use new CALL_EXPR accessors. Use + NULL_RTX instead of 0. + (expand_builtin_memory_chk): Likewise. + (maybe_emit_chk_warning): Likewise. + (maybe_emit_sprintf_chk_warning): Likewise. + + (fold_builtin_object_size): Pass call arguments individually instead + of as an arglist, fixing callers appropriately. Use new CALL_EXPR + accessors and constructors. Return NULL_TREE instead of 0. + (fold_builtin_memory_chk): Likewise. + (fold_builtin_stxcpy_chk): Likewise. + (fold_builtin_strncpy_chk): Likewise. + (fold_builtin_strcat_chk): Likewise. + (fold_builtin_strcat_chk): Likewise. + (fold_builtin_strncat_chk): Likewise. + (fold_builtin_sprintf_chk): Likewise. + (fold_builtin_snprintf_chk): Likewise. + (fold_builtin_printf): Likewise. + (fold_builtin_vprintf): Likewise. + + * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and + constructors. + (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case. + (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. + (extract_muldiv_1): Add VL_EXP_CLASS_P case. + (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors. + (fold_unary): Likewise. + (fold_binary): Likewise. + (fold_ternary): Remove CALL_EXPR case, since they are no longer + ternary expressions. + (fold): Add logic for tcc_vl_exp. + (fold_checksum_tree): Make it know about tcc_vl_exp. Use + TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. + (fold_build3_stat): Add assertion to flag broken interface for + constructing CALL_EXPRs. + (fold_build_call_list): New. + (fold_build_call_list_initializer): New. + (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and + constructors. + (fold_strip_sign_ops): Likewise. + +2007-02-15 Sandra Loosemore <sandra@codesourcery.com> + Brooks Moses <brooks.moses@codesourcery.com> + Lee Millward <lee.millward@codesourcery.com> + + * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR + accessors and dump arguments explicitly. + + * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of + TREE_CODE_LENGTH. + (dump_generic_node): Use new CALL_EXPR accessors and walk arguments + explicitly. + (print_call_name): Use new CALL_EXPR accessors. + + * print-tree.c (print_node): Add case tcc_vl_exp. Print + CALL_EXPR arguments explicitly instead of as a list. Use + TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. + + * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors. + (vrp_visit_stmt): Likewise. + + * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it + know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of + TREE_CODE_LENGTH. + (force_move_till_expr): Likewise. + + * targhooks.c (default_external_stack_protect_fail): Use + build_call_expr instead of build_function_call_expr. + (default_hidden_stack_protect_fail): Likewise. + + * tree-complex.c (expand_complex_libcall): Use build_call_expr to + build the call. + + * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors + and walk arguments explicitly. + + * tree-ssa-loop-niter.c (simplify_replace_tree): Use + TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. + (expand_simple_operations): Likewise. + (infer_loop_bounds_from_array): Use new CALL_EXPR accessors. + + * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead + of TREE_CODE_LENGTH. + (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs. + + * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH + instead of TREE_CODE_LENGTH. + + * value_prof.c (tree_ic): Use new CALL_EXPR accessors. + (tree_ic_transform): Likewise. + (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as + parameter instead of arglist. Fix callers. + (tree_stringop_fixed_value): Use new CALL_EXPR accessors. + (tree_stringops_transform): Likewise. + (tree_indirect_call_to_profile): Likewise. + (tree_stringops_values_to_profile): Likewise. + + * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator. + (eliminate_tail_call): Likewise. + + * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors. + + * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop): + Use TREE_OPERAND_LENGTH and generalize to handle any number of + operands. + (instantiate_parameters_1): Can't handle tcc_vl_exp here. + + * omp-low.c (build_omp_barrier): Use build_call_expr. + (lower_rec_input_clauses): Likewise. + (lower_reduction_clauses): Likewise. + (expand_parallel_call): Likewise. + (maybe_catch_exception): Likewise. + (expand_omp_for_generic): Likewise. + (expand_omp_for_static_nochunk): Likewise. + (expand_omp_sections): Likewise. + (lower_omp_single_simple): Likewise. + (lower_omp_single_copy): Likewise. + (lower_omp_master): Likewise. + (lower_omp_ordered): Likewise. + (lower_omp_critical): Likewise. + + * ipa-reference.c (check-call): Use new CALL_EXPR iterator. + (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR. + + * tree-gimple.c (is_gimple_call_addr): Fix doc. + (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of + TREE_CODE_LENGTH. Add tcc_vl_exp case. + + * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH + and generalize to handle any number of operands. + (chrec_contains_undetermined): Likewise. + (tree_contains_chrecs): Likewise. + (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH. + + * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors. + + * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use + fold_call_expr instead of fold_builtin. + (ccp_fold_builtin): Likewise. Update calls into builtins.c to + match declarations there. + (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc + updates. + + * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use + TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. + + * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors. + (scan_function): Add case tcc_vl_exp for CALL_EXPR. + + * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR + accessors. + + * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr. + (execute_cse_sincos): Use new CALL_EXPR accessors. + + * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator. + + * gimple-low.c (lower_function_body): Use build_call_expr. + (lower_builtin_setjmp): Likewise. + + * expr.c (emit_block_move_via_libcall): Use build_call_expr. + (set_storage_via_libcall): Likewise. + (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH + instead of TREE_CODE_LENGTH. + (expand_expr_real_1): Use new CALL_EXPR accessors. + + * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and + generalize to handle any number of operands. + (TB_parent_eq): Likewise. + + * predict.c (expr_expected_value): Use new CALL_EXPR accessors. + (strip_builtin_expect): Likewise. + + * function.c (gimplify_parameters): Use build_call_expr. + + * tree-vectorizer.c (vect_is_simple_reduction): Use + TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. + + * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators. + (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR. + + * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR + iterators. + + * gimplify.c (build_stack_save_restore): Use build_call_expr. + (gimplify_decl_expr): Likewise. + (gimplify_call_expr): Use fold_call_expr instead of fold_builtin. + Use new CALL_EXPR iterators. + (gimplify_modify_expr_to_memcpy): Use build_call_expr. + (gimplify_modify_expr_to_memset): Likewise. + (gimplify_variable_sized_compare): Likewise. + (gimplify_omp_atomic_fetch_op): Likewise. + (gimplify_omp_atomic_pipeline): Likewise. + (gimplify_omp_atomic_mutex): Likewise. + (gimplify_function_tree): Likewise. + + * calls.c (alloca_call_p): Use new CALL_EXPR accessors. + (call_expr_flags): Likewise. + (expand_call): Likewise. + + * except.c (expand_builtin_eh_return_data_regno): Pass entire + CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR + accessors. + + * coverage.c (create_coverage): Use build_call_expr. + + * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete. + (temp_call_expr_obstack): New. + (pool_copy_list): Delete. + (temp_copy_call_expr): New. + (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new + CALL_EXPR accessors. Get rid of special goo for copying argument + lists and use temp_copy_call_expr instead. + (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new + CALL_EXPR accessors. + (create_expression_by_pieces): Likewise. Use build_call_array + to construct the result instead of fold_build3. + (create_value_expr_from): Add tcc_vl_exp. Delete special goo for + dealing with argument lists. + (init_pre): Remove references to expression_node_pool and + list_node_pool. Init temp_call_expr_obstack instead. + (fini_pre): Remove references to expression_node_pool and + list_node_pool. + + * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors + and walk arguments explicitly instead of as a list. + + * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr. + (mx_register_decls): Likewise. + (mudflap_register_call): Likewise. + (mudflap_finish_file): Likewise. + + * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors. + (ipa_callsite_compute_param): Likewise. + + * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR + accessors and constructor. + + * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR + accessors and constructor. + (convert_tramp_reference): Likewise. + (convert_call_expr): Likewise. + (finalize_nesting_tree_1): Likewise. + + * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR + accessors. + + * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr. + + * tree-inline.c (initialize_inlined_parameters): Pass entire + CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR + accessors. + (estimate_num_insns_1): Use new CALL_EXPR accessors. + (expand_call_inline): Tidy up call to initialize_inlined_parameters. + + * tree-vect-transform.c (vect_create_epilog_for_reduction): Use + TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. + (vectorizable_reduction): Likewise. + (vectorizable_call): Use new CALL_EXPR iterators. + (vectorizable_conversion): Use build_call_expr. + (vectorizable_operation): Use TREE_OPERAND_LENGTH. + (vect_gen_widened_results_half): Use build_call_expr. + (vect_setup_realignment): Likewise. + (vectorizable_live_operation): Use TREE_OPERAND_LENGTH. + + * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors. + (pass_through_call): Likewise. + (compute_object_sizes): Likewise. Use fold_call_expr instead of + fold_builtin. + + * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr. + (tree_gen_pow2_profiler): Likewise. + (tree_gen_one_value_profiler): Likewise. + (tree_gen_ic_func_profiler): Likewise. + (tree_gen_average_profiler): Likewise. + (tree_gen_ior_profiler): Likewise. + + * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp. + (find_func_aliases): Use new CALL_EXPR accessors. Add case + tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. + + * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead + of TREE_CODE_LENGTH. + + * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead + of TREE_CODE_LENGTH. + + * convert.c (convert_to_real): Use new CALL_EXPR accessors and + constructor. + (convert_to_integer): Likewise. + + * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR + accessors. + +2007-02-15 Sandra Loosemore <sandra@codesourcery.com> + Brooks Moses <brooks.moses@codesourcery.com> + Lee Millward <lee.millward@codesourcery.com> + + * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR + accessors. + * config/frv/frv.c (frv_expand_builtin): Likewise. + * config/s390/s390.c (s390_expand_builtin): Likewise. + + * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr. + (sparc_expand_builtin): Use new CALL_EXPR accessors. + + * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise. + (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter + instead of arglist. Use new CALL_EXPR accessors on it. Fix callers. + (ix86_expand_store_builtin): Likewise. + (ix86_expand_unop_builtin): Likewise. + (ix86_expand_unop1_builtin): Likewise. + (ix86_expand_sse_compare): Likewise. + (ix86_expand_sse_comi): Likewise. + (ix86_expand_vec_init_builtin): Likewise. + (ix86_expand_vec_ext_builtin): Likewise. + (ix86_expand_vec_set_builtin): Likewise. + (ix86_expand_builtin): Use new CALL_EXPR accessors. + + * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors. + * config/c4x/c4x.c (c4x_expand_builtin): Likewise. + + * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR + instead of arglist. Use new CALL_EXPR accessors. Fix callers. + (iq2000_expand_builtin): Use new CALL_EXPR accessors. + + * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use + build_call_expr. + * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise. + (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of + arglist. Use new CALL_EXPR accessors. Fix callers. + (altivec_expand_abs_builtin): Likewise. + (rs6000_expand_binop_builtin): Likewise. + (altivec_expand_predicate_builtin): Likewise. + (altivec_expand_lv_builtin): Likewise. + (spe_expand_stv_builtin): Likewise. + (altivec_expand_stv_builtin): Likewise. + (rs6000_expand_ternop_builtin): Likewise. + (altivec_expand_ld_builtin): Use new CALL_EXPR accessors. + (altivec_expand_st_builtin): Likewise. + (altivec_expand_dst_builtin): Likewise. + (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of + arglist. Use new CALL_EXPR accessors. Fix callers. + (altivec_expand_vec_set_builtin): Likewise. + (altivec_expand_vec_ext_builtin): Likewise. + (altivec_expand_builtin): Use new CALL_EXPR accessors. + (spe_expand_builtin): Likewise. + (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of + arglist. Use new CALL_EXPR accessors. Fix callers. + (spe_expand_evsel_builtin): Likewise. + (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and + FCFSX cases must construct whole new CALL_EXPR, not just arglist. + + * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR + instead of arglist. Use new CALL_EXPR accessors. Fix callers. + (arm_expand_unop_builtin): Likewise. + (arm_expand_builtin): Use new CALL_EXPR accessors. + + * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR + accessors. + + * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire + CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. + Fix callers. + (bfin_expand_unop_builtin): Likewise. + (bfin_expand_builtin): Use new CALL_EXPR accessors. + +2007-02-15 Sandra Loosemore <sandra@codesourcery.com> + Brooks Moses <brooks.moses@codesourcery.com> + Lee Millward <lee.millward@codesourcery.com> + + * c-semantics.c (build_stmt): Add internal diagnostic check. + + * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR + accessors. Print arguments explicitly instead of as a list. + + * c-typeck.c (build_function_call): Use new CALL_EXPR constructors. + + * c-omp.c (c_finish_omp_barrier): Use build_call_expr. + (c_finish_omp_flish): Likewise. + + * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse + arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH + instead of TREE_CODE_LENGTH. + (check_function_arguments_recurse): Use new CALL_EXPR accessors. + (c_warn_unused_result): Likewise. + +2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c/26494 + * doc/invoke.texi (Warning Options): Remove + -Werror-implicit-function-declaration. + (Wimplicit-function-declaration): Update description. + * opts.c (common_handle_option): Move handling of -Werror=* to... + (enable_warning_as_error): ...here. + * opts.h (enable_warning_as_error): Declare. + * c-decl.c (implicit_decl_warning): Unless + -Wno-implicit-function-declaration is given, emit a pedwarn if + -std=c99 or emit a warning if -Wimplicit-function-declaration. + * c.opt (Wimplicit-function-declaration): Replace + mesg_implicit_function_declaration with + warn_implicit_function_declaration. + * c-opts.c (c_common_handle_option): + -Werror-implicit-function-declaration is exactly equal as + -Werror=implicit-function-declaration. + (set_Wimplicit): Replace mesg_implicit_function_declaration with + warn_implicit_function_declaration. + (c_common_post_options): -Wimplict-function-declaration is enabled + by default by -std=c99, otherwise is disabled by default. + * c-objc-common.c (c_objc_common_init): Remove flawed logic. + +2007-02-15 Eric Botcazou <ebotcazou@adacore.com> + + * gimplify.c (gimplify_modify_expr): During gimplification, attach a + DECL on the rhs to a DECL on the lhs for debug info purposes if the + former is ignored but not the latter. + +2007-02-15 Eric Botcazou <ebotcazou@adacore.com> + + * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary + is made and the reference doesn't use the alias set of its type, + do not create the temporary using that type. + +2007-02-15 Aldy Hernandez <aldyh@redhat.com> + + * jump.c: Remove prototypes for delete_computation and + delete_prior_computation. + +2007-02-15 Paolo Bonzini <bonzini@gnu.org> + + * jump.c (get_label_after): Delete. + (get_label_before, delete_computation, delete_jump, + delete_prior_computation, follow_jumps): Move... + * reorg.c (delete_computation, delete_prior_computation): ... here... + (get_label_before, delete_jump): ... making these static ... + (follow_jumps): ... and simplifying this since it only runs after + reload. + * rtl.h (get_label_after, get_label_before, delete_jump, + follow_jumps): Delete prototypes. + +2007-02-15 Paolo Bonzini <bonzini@gnu.org> + + * caller-save.c (save_call_clobbered_regs): Do not process sibcalls. + +2007-02-15 Nick Clifton <nickc@redhat.com> + + * varasm.c (default_asm_output_anchor): Prepend * to . symbol in + order to prevent it from being munged by the target. + +2007-02-15 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md: Remove misleading comment. + +2007-02-15 Alexandre Oliva <aoliva@redhat.com> + + * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns, + reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove + invalid patterns. + +2007-02-15 Alexandre Oliva <aoliva@redhat.com> + + * tree-sra.c (instantiate_missing_elements): Canonicalize + bit-field types. + (sra_build_assignment): New. + (generate_copy_inout, generate_element_copy, + generate_element_zero, generate_one_element_init): Use it. + +2007-02-15 Alexandre Oliva <aoliva@redhat.com> + + * tree-sra.c (instantiate_missing_elements): Canonicalize + bit-field types. + (sra_build_assignment): New. + (generate_copy_inout, generate_element_copy, + generate_element_zero, generate_one_element_init): Use it. + +2007-02-15 Alexandre Oliva <aoliva@redhat.com> + + * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of + limbo die nodes. + +2007-02-14 Joseph Myers <joseph@codesourcery.com> + + * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex + types as aggregates not scalars. + * function.c (assign_stack_temp_for_type): Likewise. + +2007-02-14 Roger Sayle <roger@eyesopen.com> + Zdenek Dvorak <dvorakz@suse.cz> + + * tree-dump.c (dump_switch_p_1): Require exact match of the option + name. + +2007-02-14 Zdenek Dvorak <dvorakz@suse.cz> + + * passes.c (next_pass_1): Clear the next field of the copied + pass structure. + +2007-02-14 Richard Henderson <rth@redhat.com> + + * tree-sra.c (early_sra): New. + (decl_can_be_decomposed_p): Deny va_list if early_sra. + (tree_sra_early, pass_sra_early): New. + * tree-pass.h (pass_sra_early): Declare. + * passes.c (init_optimization_passes): Use it. + +2007-02-14 Richard Guenther <rguenther@suse.de> + + * flags.h (issue_strict_overflow_warning): Convert to a macro. + +2007-02-14 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/30771 + * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse + also phi nodes. + (vect_analyze_operations): Induction phis can now be marked as + used_in_loop. + (vect_mark_stmts_to_be_vectorized): No special treatment for phis. + Update documentation accordingly. + +2007-02-14 Nick Clifton <nickc@redhat.com> + + * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at + most 3 arguments are supported. + (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description. + +2007-02-13 Seongbae Park <seongbae.park@gmail.com> + + * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor): + Ensure dst->current is valid. + +2007-02-13 Paul Brook <paul@codesourcery.com> + + * config.gcc: Add arm*-*-uclinux-*eabi. + * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define. + (SUBTARGET_EXTRA_LINK_SPEC): Define. + (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling. + (LINK_GCC_C_SEQUENCE_SPEC): Undef. + (LINK_SPEC): Define. + (LIB_SPEC): Define. + * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC + register. + * config/arm/uclinux-eabi.h: New file. + * config/arm/linux-eabi.h (WCHAR_TYPE): Remove. + * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS + based targets. + +2007-02-13 Ian Lance Taylor <iant@google.com> + + * common.opt: Add Wstrict-overflow and Wstrict-overflow=. + * flags.h (warn_strict_overflow): Declare. + (enum warn_strict_overflow_code): Define. + (issue_strict_overflow_warning): New static inline function. + * opts.c (warn_strict_overflow): New variable. + (common_handle_option): Handle OPT_Wstrict_overflow and + OPT_Wstrict_overflow_. + * c-opts.c (c_common_handle_option): Set warn_strict_overflow for + OPT_Wall. + * fold-const.c: Include intl.h. + (fold_deferring_overflow_warnings): New static variable. + (fold_deferred_overflow_warning): New static variable. + (fold_deferred_overflow_code): New static variable. + (fold_defer_overflow_warnings): New function. + (fold_undefer_overflow_warnings): New function. + (fold_undefer_and_ignore_overflow_warnings): New function. + (fold_deferring_overflow_warnings_p): New function. + (fold_overflow_warning): New static function. + (make_range): Add strict_overflow_p parameter. Change all + callers. + (extract_muldiv, extract_muldiv_1): Likewise. + (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling + tree_expr_nonnegative_p. + (fold_negate_expr): Call fold_overflow_warning. + (fold_range_test): Likewise. + (fold_comparison): Likewise. + (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p + instead of tree_expr_nonnegative_p. + (tree_expr_nonnegative_warnv_p): Rename from + tree_expr_nonnegative_p, add strict_overflow_p parameter. + (tree_expr_nonnegative_p): New function. + (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add + strict_overflow_p parameter. + (tree_expr_nonzero_p): New function. + * passes.c (verify_interpass_invariants): New static function. + (execute_one_pass): Call it. + * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold + warnings. + (number_of_iterations_exit, loop_niter_by_eval): Likewise. + (estimate_numbers_of_iterations): Likewise. + (scev_probably_wraps_p): Likewise. + * tree-ssa-ccp.c: Include "toplev.h". + (evaluate_stmt): Defer fold overflow warnings until we know we are + going to optimize. + (struct fold_stmt_r_data): Add stmt field. + (fold_stmt_r): Defer fold overflow warnings until we know we + optimized. + (fold_stmt): Initialize stmt field of fold_stmt_r_data. + (fold_stmt_inplace): Likewise. + * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h". + (cleanup_control_expr_graph): Defer fold overflow warnings until + we know we are going to optimize. + * tree-cfg.c (fold_cond_expr_cond): Likewise. + * tree-ssa-threadedge.c (simplify_control_stmt_condition): + Likewise. + * tree-vrp.c (vrp_expr_computes_nonnegative): Call + tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p. + * tree-ssa-loop-manip.c (create_iv): Likewise. + * c-typeck.c (build_conditional_expr): Likewise. + (build_binary_op): Likewise. + * tree-vrp.c (vrp_expr_computes_nonzero): Call + tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p. + (extract_range_from_unary_expr): Likewise. + * simplify-rtx.c (simplify_const_relational_operation): Warn when + assuming that signed overflow does not occur. + * c-common.c (pointer_int_sum): Ignore fold overflow warnings. + * tree.h (tree_expr_nonnegative_warnv_p): Declare. + (fold_defer_overflow_warnings): Declare. + (fold_undefer_overflow_warnings): Declare. + (fold_undefer_and_ignore_overflow_warnings): Declare. + (fold_deferring_overflow_warnings_p): Declare. + (tree_expr_nonzero_warnv_p): Declare. + * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list + of warning options. + (Warning Options): Document -Wstrict-overflow. + * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h. + (tree-ssa-ccp.o): Likewise. + (tree-cfgcleanup.o): Change errors.h dependency to toplev.h. + (fold-const.o): Depend on intl.h. + +2007-02-13 Ian Lance Taylor <iant@google.com> + + PR middle-end/30751 + * lower-subreg.c (resolve_simple_move): Decompose subregs in + addresses. + +2007-02-13 Stuart Hastings <stuart@apple.com> + + * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2. + +2007-02-13 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip + handled_component_p before looking for the indirect_ref. + +2007-02-13 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md (bswapsi_1): Rename from bswapsi2, + remove flags clobber. + (bswapsi2): New expander, emit code for !TARGET_BSWAP. + (bswaphi_lowpart): New. + (bswapdi2): Rename from bswapdi2_rex, remove flags clobber, + remove TARGET_BSWAP test. Delete expander of the same name. + + * optabs.c (widen_bswap, expand_doubleword_bswap): New. + (expand_unop): Use them. + +2007-02-13 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1, + *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor, + *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64, + *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext, + *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea, + *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea, + *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent + assembler dialect choice from asm templates. + +2007-02-12 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn. + (fixuns_trunc<SSEMODEF>si2): Use it. + * config/i386/sse.md (vec_setv4sf_0): Export. + * config/i386/i386.c (ix86_build_const_vector): Export. + (ix86_split_convert_uns_si_sse): Rename from + ix86_expand_convert_uns_si_sse and rewrite as a splitter. + * config/i386/i386-protos.h: Update. + +2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c/29521 + * c-typeck.c (c_finish_return): Improve warning message. + +2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * alias.c (find_symbolic_term): Delete unused function. + +2007-02-12 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (paritydi2, paritysi2): New expanders. + (paritydi2_cmp, paritydi2_cmp): New insn and split patterns. + (*parityhi2_cmp, *parityqi2_cmp): New insn patterns. + +2007-02-12 Eric Botcazou <ebotcazou@adacore.com> + + * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL. + * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on + the function, temporarily point the debug interface to the null one. + +2007-02-12 Eric Botcazou <ebotcazou@adacore.com> + + * dwarf2out.c (round_up_to_align): New static function. + (field_byte_offset): Use it to round the offset. + +2007-02-12 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (bswapsi2, bswapdi2): New. + (inswl_const): Export. + +2007-02-12 Richard Henderson <rth@redhat.com> + + * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the + result mode of the libcall, convert back to outmode. + +2007-02-12 Roger Sayle <roger@eyesopen.com> + + * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2. + (bswapdi2): New define_expand to implement 32-bit implementation. + +2007-02-12 Nick Clifton <nickc@redhat.com> + + * doc/invoke.texi (Overall Options): Document --help=. + * gcc.c (target_help_flag): Rename to print_subprocess_flag. + (cc1_options): Pass --help= on to cc1. + (display_help): Add description of --help=. + (process_command): Add code to handle --help=. Allow translated + --help and --target-help switches to be passed on to compiler + sub-process. + (main): Remove unused if statement. + * opts.c (columns): Remove. + (LEFT_COLUMN): Define. + (wrap_help): Add columns argument. + (print_filtered_help): Change parameters to be an include bitmask, + an exclude bitmask, an any bitmask and the column width. Move the + code to display the params list here. Add code to display the + status of options rather than their descriptions if the quiet flag + is not active. + (print_specific_help): Change parameters to be an include bitmask, + an exclude bitmask and an any bitmask. Move code to look up the + column width here. Decide upon the title for an options listing. + (common_handle_options): Add code to handle --help=. Adapt code + for --help and --target-help to use the revised form of the + print_specific_help function. + (print_help): Delete. + (print_param_help): Delete. + (print_switch): Delete. + * opts.h (cl_lang_count): Add prototype. + (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS, + CL_MAX_OPTION_CLASS): New defines. + * optc-gen.awk: Add construction of cl_lang_count. + * c.opt: Add Warning attribute to warning options and Optimization + attribute to optimization options. + * common.opt: Likewise. + Add --help=. + Add -fhelp and -ftarget-help as aliases for the transformed --help + and --target-help options. + * opt-functions.awk: Add code to handle Warning and Optimization + attributes. + +2007-02-12 Richard Henderson <rth@redhat.com> + + * config/alpha/constraints.md: New file. + * config/alpha/alpha.c: Include tm-constrs.h. + (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p, + alpha_extra_constraint): Remove. + (alpha_emit_conditional_branch): Use satisfies_constraint_*. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove. + (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove. + (EXTRA_CONSTRAINT): Remove. + * config/alpha/alpha.md: Include constraints.md. + (adddi splitter): Use satisfies_constraint_*. + * config/alpha/predicates.md (add_operand): Likewise. + (sext_add_operand, addition_operation): Likewise. + +2007-02-12 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/29145 + * tree-data-ref.c (base_addr_differ_p): Make us more conservative + in our handling of restrict qualified pointers. + +2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR middle-end/7651 + * doc/invoke.texi (Wunused-value): Update description. + (Wextra): Delete item. + * opts.c (set_Wextra): Don't use the value of Wextra to set the + value of Wunused-value. + * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings. + (c_finish_stmt_expr): Don't check extra_warnings. + (emit_side_effect_warnings): The caller is responsible to check + warn_unused_value. + +2007-02-11 Roger Sayle <roger@eyesopen.com> + Matt Thomas <matt@3am-software.com> + + * simplify-rtx.c (simplify_relational_operation_1): Correct typo. + +2007-02-11 Roger Sayle <roger@eyesopen.com> + + * simplify-rtx.c (simplify_relational_operation_1): Optimize + comparisons of POPCOUNT against zero. + (simplify_const_relational_operation): Likewise. + +2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * doc/invoke.texi (Wextra): Delete outdated paragraph. + +2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * dwarf2out.c (root_type): Delete unused function. + +2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * genattrtab.c (contained_in_p): Delete unused function. + (write_expr_attr_cache): Likewise. + +2007-02-11 Jan Hubicka <jh@suse.cz> + + * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the + previous patch. + +2007-02-11 Steven Bosscher <steven@gcc.gnu.org> + + * fwprop.c (try_fwprop_subst): Use set_unique_reg_note + to add the REG_EQ* note. + * see.c (see_merge_one_use_extension): Likewise. + * local-alloc.c (update_equiv_regs): Likewise. Also don't + turn REG_EQUAL notes into REG_EQUIV notes if the target + register may have more than one set. + * function.c (assign_parm_setup_reg): Use set_unique_reg_note. + * gcse.c (try_replace_reg): Likewise. + * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note. + * calls.c (fixup_tail_calls): Likewise. Abort if there is + more than one REG_EQUIV note. + * reload1.c (gen_reload): Use set_unique_reg_note. + +2007-02-11 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define. + (ix86_builtin_conversion): New function. + +2007-02-06 Mark Mitchell <mark@codesourcery.com> + + PR target/29487 + * tree.h (DECL_REPLACEABLE_P): New macro. + * except.c (set_nothrow_function_flags): Likewise. + +2007-02-11 Tehila Meyzels <tehila@il.ibm.com> + Ira Rosen <irar@il.ibm.com> + Dorit Nuzman <dorit@il.ibm.com> + + * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook. + * targhooks.c (default_builtin_vectorized_conversion): New. + * targhooks.h (default_builtin_vectorized_function): New declaration. + * target.h (struct vectorize): Add builtin_conversion field. + * tree-vectorizer.h (type_conversion_vec_info_type): New enum + stmt_vec_info_type value. + (vectorizable_conversion): New declaration. + * tree-vect-analyze.c (vect_analyze_operations): Add + vectorizable_conversion call. + * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New. + * tree-vect-transform.c (vectorizable_conversion): New function. + (vect_transform_stmt): Add case for type_conversion_vec_info_type. + * tree-vect-generic.c (expand_vector_operations_1): Consider correct + mode. + * config/rs6000/rs6000.c (rs6000_builtin_conversion): New. + (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined. + (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX + or ALTIVEC_BUILTIN_VCFSX. + +2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/30634 + * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero + CONST_DOUBLE and operand 0 is a hard register. + (movdi): For 64-bit target, remove code to force CONST_DOUBLE to + memory. Fail if operand 1 is a non-zero CONST_INT and operand 0 + is a hard floating-point register. + +2007-02-10 Richard Henderson <rth@redhat.com> + Jakub Jelinek <jakub@redhat.com> + Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. + * builtin-types.def (BT_WORD): Make unsigned. + (BT_FN_VOID_PTR_WORD_WORD_PTR): New. + * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. + (BUILT_IN_EMUTLS_REGISTER_COMMON): New. + * c-decl.c (grokdeclarator): Don't error if !have_tls. + * c-parser.c (c_parser_omp_threadprivate): Likewise. + * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for + emulated tls. + * expr.c (emutls_var_address): New. + (expand_expr_real_1): Expand emulated tls. + (expand_expr_addr_expr_1): Likewise. + * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. + * output.h (emutls_finish): Declare. + * toplev.c (compile_file): Call it. + * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the + address before wrapping in CONST. + * varasm.c (emutls_htab, emutls_object_type): New. + (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. + (get_emutls_object_name, get_emutls_object_type): New. + (get_emutls_init_templ_addr, emutls_decl): New. + (emutls_common_1, emutls_finish): New. + (assemble_variable): When emulating tls, swap decls; generate + constructor for the emutls objects. + (do_assemble_alias): When emulating tls, swap decl and target name. + (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT + for emulated tls. + * varpool.c (decide_is_variable_needed): Look at force_output. + Recurse for emulated tls. + (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant + with decide_is_variable_needed. + * emutls.c: New file. + * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit + tls_object for real tls. + +2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org> + + PR rtl-optimization/29599 + * reload1.c (eliminate_regs_in_insn): Take the destination + mode into account when computing the offset. + +2007-02-09 Stuart Hastings <stuart@apple.com> + Richard Henderson <rth@redhat.com> + + * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New. + * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New. + * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2, + fixuns_truncdfhi2): New. + (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse. + (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse. + (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse. + (floatunssidf2): Allow nonimmediate source. + * config/i386/sse.md (movdi_to_sse): New. + (vec_concatv2di): Drop '*'. + * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse, + ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse, + ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse): + New. + * config/i386/i386.c (ix86_expand_convert_uns_si_sse, + ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse, + ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse, + ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New. + (ix86_build_signbit_mask): Fix decl of v, refactor to call + ix86_build_const_vector. + (x86_emit_floatuns): Rewrite. + +2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * genautomata.c (longest_path_length): Delete unused function. + (struct state): Delete unused longest_path_length. + (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro. + (get_free_state): Delete unused. + +2007-02-09 Jan Hubicka <jh@suse.cz> + + * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30. + * doc/invoke.texi (inline-unit-growth): Update default value. + + * Makefile.in (passes.o, ipa-inline.o): Add dependencies. + * cgraphbuild.c (build_cgraph_edges): Compute frequencies. + (rebuild_cgraph_edges): Likewise. + * cgraph.c (cgraph_set_call_stmt): Add new argument frequency. + (dump_cgraph_node): Dump frequencies. + (cgraph_clone_edge): Add frequency scales. + (cgraph_clone_node): Add freuqnecy. + * cgraph.h (cgraph_edge): Add freuqnecy argument. + (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants. + (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update. + * tree-pass.h (TODO_rebuild_frequencies): New constant. + * cgraphunit.c (verify_cgraph_node): Verify frequencies. + (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge. + (save_inline_function_body): Likewise. + * ipa-inline.c: inluce rtl.h + (cgraph_clone_inlined_nods): Update call of cgraph_clone_node. + (cgraph_edge_badness): Use frequencies. + (cgraph_decide_recursive_inlining): Update clonning. + (cgraph_decide_inlining_of_small_function): Dump frequency. + * predict.c (estimate_bb_frequencies): Export. + * predict.h (estimate_bb_frequencies): Declare. + * tree-inline.c (copy_bb): Watch overflows. + (expand_call_inline): Update call of cgraph_create_edge. + (optimize_inline_calls): Use TODO flags to update frequnecies. + * passes.h: Include predict.h + (init_optimization_passes): Move profile ahead. + (execute_function_todo): Handle TODO_rebuild_frequencies. + +2007-02-09 Roger Sayle <roger@eyesopen.com> + + * config/alpha/alpha.c (emit_insxl): Force the first operand of + the insbl or inswl pattern into a register. + +2007-02-09 Roger Sayle <roger@eyesopen.com> + + * config/ia64/ia64.md (bswapdi2): New define_insn. + +2007-02-09 Richard Henderson <rth@redhat.com> + + * config/i386/constraints.md (Ym): New constraint. + * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints. + (movdi_1_rex64): Split sse and xmm general register moves from + memory move alternatives. Use conditional register constraints. + (movsf_1, movdf_integer): Likewise. + (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise. + (movdf_integer_rex64): New. + (pushsf_rex64): Fix output constraints. + * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi. + (sse2_stored): Likewise. + (sse2_storeq_rex64): New. + * config/i386/i386.c (x86_inter_unit_moves): Enable for not + amd and not generic. + (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES + for optimize_size. Remove SF/DFmode hack. + +2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10. + (bit_SSE4a): New. + +2007-02-09 Nathan Sidwell <nathan@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*) + (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu. + (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add + m68k/t-mlib to tmake_file. + (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well. + (m68k*-*-*): Use --with-arch to pick a default for --with-cpu. + (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch. + Allow it to be cf or m68k. Set m68k_arch_family. If that + variable is not empty, add t-$m68k_arch_family to tmake_file. + Add t-mlibs to tmake_file. + * doc/install.texi: Document --with-arch=m68k and --with-arch=cf. + * config/m68k/t-cf: New file. + * config/m68k/t-m68k: Likewise. + * config/m68k/t-mlibs: Likewise. + * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES) + (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete. + (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define. + * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES) + (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC): + Delete. + * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete. + (INSTALL_LIBGCC): Delete. + (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define. + * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES) + (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete. + (M68K_MLIB_CPU): Define. + * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES) + (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete. + (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define. + +2007-02-09 Zdenek Dvorak <dvorakz@suse.cz> + Richard Guenther <rguenther@suse.de> + + PR middle-end/23361 + * fold-const.c (fold_comparison): Handle obfuscated comparisons + against INT_MIN/INT_MAX. + * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump + file if a loop is removed. + +2007-02-09 Joseph Myers <joseph@codesourcery.com> + + * calls.c (store_one_arg): Pass correct alignment to + emit_push_insn for non-BLKmode values. + * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an + unaligned stack slot via a suitably aligned slot. + +2007-02-08 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence + warnings. + (legal_subregs): Use unsigned char, make const. + (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables. + +2007-02-08 Paul Brook <paul@codesourcery.com> + + * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no + special interworking needed. + +2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/xmmintrin.h: Make inclusion of emmintrin.h + conditional to __SSE2__. + (Entries below should have been added to first ChangeLog + entry for amdfam10 dated 2007-02-05) + * config/i386/emmintrin.h: Generate #error if __SSE2__ is not + defined. + * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not + defined. + * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not + defined. + +2007-02-08 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New. + * config/m32c/m32c.c (legal_subregs): New. + (m32c_illegal_subreg_p): New. + * config/m32c/predicates.md (m32c_any_operand): Use it to reject + unsupported subregs of hard regs. + +2007-02-08 Jan Hubicka <jh@suse.cz> + + * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with + the same one; always update histograms. + +2007-02-08 Diego Novillo <dnovillo@redhat.com> + + * passes.c (init_optimization_passes): Tidy comment. + +2007-02-08 Roger Sayle <roger@eyesopen.com> + + * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can + strip zero_extend, bswap and rotates from POCOUNT's argument. + <PARITY>: Likewise, we can strip not, bswap, sign_extend, + zero_extend and rotates from PARITY's argument. + <BSWAP>: A byte-swap followed by a byte-swap is an identity. + (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap + of an integer constant at compile-time. + +2007-02-08 Diego Novillo <dnovillo@redhat.com> + + PR 30562 + * tree-flow.h (struct var_ann_d): Remove field 'is_used'. + Update all users. + * tree-ssa-alias.c (compute_is_aliased): Remove. Update all + users. + (init_alias_info): + * tree-ssa-live.c (remove_unused_locals): Do not remove + TREE_ADDRESSABLE variables. + * tree-ssa-structalias.c (compute_points_to_sets): Tidy. + * tree-ssa-operands.c (add_virtual_operand): Remove argument + FOR_CLOBBER. Update all users. + If VAR has an associated alias set, add a virtual operand for + it if no alias is found to conflict with the memory reference. + +2007-02-07 Jan Hubicka <jh@suse.cz> + Robert Kidd <rkidd@crhc.uiuc.edu> + + * value-prof.c (visit_hist, free_hist): Return 1 instead of 0. + +2007-02-07 Ian Lance Taylor <iant@google.com> + + * lower-subreg.c (simple_move): Reject PARTIAL_INT modes. + +2007-02-07 Roger Sayle <roger@eyesopen.com> + + * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2, + parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack, + tablejumpdi, movsi_to_cr_one): Remove constraints from + define_expand's match_operands. + +2007-02-07 Roger Sayle <roger@eyesopen.com> + + * global.c (compute_regsets): Move declatation of "i" inside of + #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure. + +2007-02-07 Jakub Jelinek <jakub@redhat.com> + + PR c++/30703 + * gimplify.c (gimplify_scan_omp_clauses): Remove special casing + of INDIRECT_REF <RESULT_DECL>. + + * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2. + +2007-02-06 J"orn Rennecke <joern.rennecke@arc.com> + Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/29746 + * config/sh/sh.c (expand_cbranchdi4): Use scratch register + properly. + (sh_initialize_trampoline): Add parentheses to avoid a warning. + +2007-02-06 Zdenek Dvorak <dvorakz@suse.cz> + + * doc/loop.texi: Document possibility not to perform disambiguation + of loops with multiple latches. + * cfgloopmanip.c (alp_enum_p): Removed. + (add_loop): Handle subloops. Use get_loop_body_with_size. + (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader. + * cfghooks.c (redirect_edge_and_branch_force): Set dominator for + the new forwarder block. + (make_forwarder_block): Only call new_bb_cbk if it is not NULL. + Handle the case latch is NULL. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg + modifications when marking loop exits. + * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot + be modified. + * loop-init.c (loop_optimizer_init): Do not modify cfg. Call + disambiguate_loops_with_multiple_latches. + * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators + before fix_loop_structure. + * cfgloop.c: Include pointer-set.h and output.h. + (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE, + update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed. + (get_loop_latch_edges, find_subloop_latch_edge_by_profile, + find_subloop_latch_edge_by_ivs, find_subloop_latch_edge, + mfb_redirect_edges_in_set, form_subloop, merge_latch_edges, + disambiguate_multiple_latches, get_loop_body_with_size, + disambiguate_loops_with_multiple_latches): New functions. + (flow_loop_dump): Dump multiple latch edges. + (flow_loop_nodes_find): Handle loops with multiple latches. + (flow_loops_find): Ditto. Do not call canonicalize_loop_headers. + (glb_enum_p): Modified. + (get_loop_body): Use get_loop_body_with_size. + * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag. + (AVOID_CFG_MODIFICATIONS): New constant. + (disambiguate_loops_with_multiple_latches, add_loop, + get_loop_body_with_size): Declare. + * Makefile.in (cfgloop.o): Add pointer-set.h and output.h. + +2007-02-06 Seongbae Park <seongbae.park@gmail.com> + + PR inline-asm/28686 + * global.c (compute_regsets): New function. + (global_alloc): Refactored ELIMINABLE_REGSET + and NO_GLOBAL_ALLOC_REGS computation out. + (rest_of_handle_global_alloc): Call compute_regsets() + for non-optimizing case. + +2007-02-06 Richard Henderson <rth@redhat.com> + + * config/i386/constraints.md (Y2): Rename from Y. + (Yi): New constraint. + * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger, + pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32, + zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2. + (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed, + truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse, + fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse, + floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, + absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse, + fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x. + * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64, + mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal, + vec_extractv2si_1): Change Y constraints to Y2. + * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si, + vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di): + Change Y constraints to Y2. + (sse2_loadld): Change Y constraints to x. + +2007-02-06 Roger Sayle <roger@eyesopen.com> + + * config/rs6000/rs6000.md (popcount<mode>2): Rewrite. + (parity<mode>2): New define_expand using rs6000_emit_parity. + * config/rs6000/rs6000.c (rs6000_emit_popcount, + rs6000_emit_parity): New functions. + * config/rs6000/rs6000-protos.h (rs6000_emit_popcount, + rs6000_emit_parity): Prototype here. + +2007-02-06 Ian Lance Taylor <iant@google.com> + + * lower-subreg.c (simple_move_operand): Reject CONST. + (resolve_clobber): Call validate_change rather than directly + assigning to XEXP (pat, 0). + +2006-02-06 Paolo Bonzini <bonzini@gnu.org> + + * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency. + (tree-ssa-reassoc.o): Add pointer-set.h dependency. + (tree-cfg.o): Remove hashtab.h dependency. + + * tree-ssa-loop-ivopts.c: Include pointer-set.h. + (struct ivopts_data): Change niters to pointer_map_t. + (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete. + (niter_for_exit): Create pointer_map on demand. Change for + pointer_map API. + (tree_ssa_iv_optimize_init): Initialize data->niters to NULL. + (free_loop_data): Destroy data->niters if created and reset field. + (tree_ssa_iv_optimize_finalize): Don't delete data->niters here. + (tree_ssa_iv_optimize_loop): Check for presence of stale data. + + * tree-ssa-reassoc.c: Include pointer-set.h. + (bb_rank): Change to long *. + (operand_rank): Change to pointer_map_t. + (find_operand_rank): Return long, -1 if not found. Declare as inline. + (insert_operand_rank): Accept long. + (operand_entry_hash, operand_entry_eq): Remove. + (get_rank): Return long. Adjust for changes above. + (init_reassoc): Change rank type to long. Adjust creation of bb_rank + and operand_rank. + (fini_reassoc): Delete operand_rank with pointer_map_destroy. + + * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map. + (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete. + (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument + is not NULL. + (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t + directly since it cannot be NULL. + (get_vi_for_tree): Rewrite for pointer_map API. + (find_what_p_points_to): Adjust for change to lookup_vi_for_tree. + (init_alias_vars): Create vi_for_tree as pointer_map. + (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy. + + * tree-cfg.c: Don't include hashtab.h. + (edge_to_cases): Declare as pointer_map. + (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq): + Delete. + (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback. + (start_recording_case_labels): Create edge_to_cases as pointer_map. + (end_recoding_case_labels): Cleanup edge_to_cases manually before + destroying it. + (record_switch_edge): Delete. + (get_cases_for_edge): Adjust for pointer_map API, inline + record_switch_edge (rewritten for new API), remove goto. + +2006-02-06 Paolo Bonzini <bonzini@gnu.org> + + * Makefile.in (tree-nested.o): Add pointer-set.h dependency. + * tree-nested.c: Include pointer-set.h. + (var_map_elt, var_map_eq, var_map_hash): Delete. + (struct nesting_info): Remove GTY marker. Change the two htab_t's + to pointer_map_t's. + (nesting_info_bitmap_obstack): New. + (lookup_field_for_decl): Adjust for pointer_map API. + (lookup_tramp_for_decl): Adjust for pointer_map API. + (get_nonlocal_debug_decl): Adjust for pointer_map API. + (get_local_debug_decl): Adjust for pointer_map API. + (convert_nl_goto_reference): Adjust for pointer_map API. + (convert_nl_goto_receiver): Adjust for pointer_map API. + (create_nesting_tree): Create outside GGC space. Create bitmap on + the new obstack. Create field_map and var_map as pointer_maps. + (free_nesting_tree): Adjust for changes to create_nesting_tree. + (root): Delete. + (lower_nested_functions): Move root here, no need to NULL it. + Initialize and release the obstack. + +2007-02-06 Paolo Bonzini <bonzini@gnu.org> + + * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): + Remove prototypes and make them non-static. + (struct tree_int_map): Remove. + * tree.h (struct tree_int_map): Move here, turning TO into an + unsigned int. + (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare. + + * tree.h (TREE_COMPLEXITY): Remove. + (struct tree_exp): Remove complexity field. + * tree.c (build1_stat): Don't set it. + +2007-02-06 Dorit Nuzman <dorit@il.ibm.com> + Victor Kaplansky <victork@il.ibm.com> + + * tree-vectorizer.c (vect_is_simple_use): Support induction. + (vect_is_simple_reduction): Support reduction with induction as + one of the operands. + (vect_is_simple_iv_evolution): Fix formatting. + * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix + formatting. Don't mark induction phis for vectorization. + (vect_analyze_scalar_cycles): Analyze all inductions, then reductions. + * tree-vect-transform.c (get_initial_def_for_induction): New function. + (vect_get_vec_def_for_operand): Support induction. + (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for + induction case. + (vectorizable_reduction): Support reduction with induction as one of + the operands. + (vectorizable_type_demotion): Use def-type of stmt argument rather + than dummy def-type. + + * tree-ssa-loop.c (gate_scev_const_prop): Return the value of + flag_tree_scev_cprop. + * common.opt (tree-scev-cprop): New flag. + + * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in + call to vect_get_new_vect_var. + +2007-02-06 Ira Rosen <irar@il.ibm.com> + + * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that + vectype is not NULL. + (vect_pattern_recog_1): Likewise. + +2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (negate_expr_p): Handle CONJ_EXPR. + (fold_negate_expr): Likewise. + +2007-02-05 Alexandre Oliva <aoliva@redhat.com> + + PR debug/30189 + * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE + even if cv-qualification is the same. + +2007-02-05 Geoffrey Keating <geoffk@apple.com> + + * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call + __enable_execute_stack on completion. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8, + athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov, + athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul, + athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn, + athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8, + athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load, + athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8, + athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse, + cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387, + swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse, + fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse, + x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed, + floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse, + floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1, + mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn, + umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn, + umuldi3_highpart_rex64, umulsi3_highpart_insn, + umulsi3_highpart_zext, smuldi3_highpart_rex64, + smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld, + x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse, + sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387, + sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387, + sqrtextenddfxf2_i387): Added amdfam10_decode. + + * config/i386/athlon.md (athlon_idirect_amdfam10, + athlon_ivector_amdfam10, athlon_idirect_load_amdfam10, + athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10, + athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10, + athlon_ivector_store_amdfam10): New define_insn_reservation. + (athlon_idirect_loadmov, athlon_idirect_movstore): Added + amdfam10. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/athlon.md (athlon_call_amdfam10, + athlon_pop_amdfam10, athlon_lea_amdfam10): New + define_insn_reservation. + (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8, + athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI, + athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/athlon.md (athlon_sseld_amdfam10, + athlon_mmxld_amdfam10, athlon_ssest_amdfam10, + athlon_mmxssest_short_amdfam10): New define_insn_reservation. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/athlon.md (athlon_sseins_amdfam10): New + define_insn_reservation. + * config/i386/i386.md (sseins): Added sseins to define_attr type + and define_attr unit. + * config/i386/sse.md: Set type attribute to sseins for insertq + and insertqi. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10, + ssecmpvector_load_amdfam10, ssecmpvector_amdfam10, + ssecomi_load_amdfam10, ssecomi_amdfam10, + sseaddvector_load_amdfam10, sseaddvector_amdfam10): New + define_insn_reservation. + (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/athlon.md (cvtss2sd_load_amdfam10, + cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10, + cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10, + cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10, + cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10, + cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New + define_insn_reservation. + + * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si, + cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq, + cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq, + cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd, + cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/athlon.md (athlon_ssedivvector_amdfam10, + athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10, + athlon_ssemulvector_load_amdfam10): New define_insn_reservation. + (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul, + athlon_ssemul_load_k8): Added amdfam10. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro. + (x86_sse_unaligned_move_optimal): New variable. + + * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for + m_AMDFAM10. + (ix86_expand_vector_move_misalign): Add code to generate movupd/movups + for unaligned vector SSE double/single precision loads for AMDFAM10. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/i386.h (TARGET_AMDFAM10): New macro. + (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10. + Define TARGET_CPU_DEFAULT_amdfam10. + (TARGET_CPU_DEFAULT_NAMES): Add amdfam10. + (processor_type): Add PROCESSOR_AMDFAM10. + + * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match + processor_type in config/i386/i386.h. + Enable imul peepholes for TARGET_AMDFAM10. + + * config.gcc: Add support for --with-cpu option for amdfam10. + + * config/i386/i386.c (amdfam10_cost): New variable. + (m_AMDFAM10): New macro. + (m_ATHLON_K8_AMDFAM10): New macro. + (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen, + x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop, + x86_promote_QImode, x86_integer_DFmode_moves, + x86_partial_reg_dependency, x86_memory_mismatch_stall, + x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387, + x86_sse_partial_reg_dependency, x86_sse_typeless_stores, + x86_use_ffreep, x86_use_incdec, x86_four_jump_limit, + x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns): + Enable/disable for amdfam10. + (override_options): Add amdfam10_cost to processor_target_table. + Set up PROCESSOR_AMDFAM10 for amdfam10 entry in + processor_alias_table. + (ix86_issue_rate): Add PROCESSOR_AMDFAM10. + (ix86_adjust_cost): Add code for amdfam10. + +2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com> + + * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm) + instruction set feature flag. Add new (-mpopcnt) flag for popcnt + instruction. Add new SSE4A (-msse4a) instruction set feature flag. + * config/i386/i386.h: Add builtin definition for SSE4A. + * config/i386/i386.md: Add support for ABM instructions + (popcnt and lzcnt). + * config/i386/sse.md: Add support for SSE4A instructions + (movntss, movntsd, extrq, insertq). + * config/i386/i386.c: Add support for ABM and SSE4A builtins. + Add -march=amdfam10 flag. + * config/i386/ammintrin.h: Add support for SSE4A intrinsics. + * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt + and amdfam10. + * doc/extend.texi: Add documentation for SSE4A builtins. + +2007-02-05 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs. + +2007-02-05 Richard Guenther <rguenther@suse.de> + + * tree-vectorizer.h (vectorizable_function): Add argument type + argument, change return type. + * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller. + * tree-vect-transform.c (vectorizable_function): Handle extra + argument, return vectorized function decl. + (build_vectorized_function_call): Remove. + (vectorizable_call): Handle calls with result and argument types + differing. Handle loop vectorization factor correctly. + * targhooks.c (default_builtin_vectorized_function): Adjust for + extra argument. + * targhooks.h (default_builtin_vectorized_function): Likewise. + * target.h (builtin_vectorized_function): Add argument type + argument. + * config/i386/i386.c (ix86_builtin_vectorized_function): Handle + extra argument, allow vectorizing of lrintf. + * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust + documentation of target hook. + +2007-02-05 Hans-Peter Nilsson <hp@axis.com> + + PR target/30665 + * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu") + ("*andhi_clear", andu (casesi+45)): For size-changed operand where + memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P. + +2007-02-05 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (fold_unary) <REAL_PART>: Test for availability of + BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS. + <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN. + * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS + before canonicalizing sincos to cexpi. + (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi. + +2007-02-05 Roger Sayle <roger@eyesopen.com> + + * config/alpha/alpha.c (alpha_add_builtins): New Helper function. + Set TREE_READONLY and TREE_NOTHROW directly, not via attributes. + (alpha_init_builtins): Use alpha_add_builtins to process tables. + +2007-02-05 Roger Sayle <roger@eyesopen.com> + + * mips-tfile.c (initialize_init_file): Correct endianness test. + +2007-02-05 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use + the 'y' constraint. + +2007-02-05 Richard Sandiford <richard@codesourcery.com> + + * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register + saves in a PARALLEL before the register assignments. + +2007-02-05 Richard Sandiford <richard@codesourcery.com> + + * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require + DWARF_FRAME_RETURN_COLUMN to be a general register. + * dwarf2out.c (init_return_column_size): New function, split from... + (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both + DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN + to be nongeneral registers. + * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and + integer registers. + (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define. + (DWARF_ALT_FRAME_RETURN_COLUMN): Define. + +2007-02-04 Zdenek Dvorak <dvorakz@suse.cz> + + * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR. + +2007-02-04 Zdenek Dvorak <dvorakz@suse.cz> + + * cfgloopmanip.c (loop_delete_branch_edge): Removed. + (remove_path): Use can_remove_branch_p and remove_branch instead + of loop_delete_branch_edge. + * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function. + (tree_transform_and_unroll_loop): Remove dead branches immediately. + Update profile using scale_dominated_blocks_in_loop. + * cfghooks.c (can_remove_branch_p, remove_branch): New functions. + * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p. + (can_remove_branch_p, remove_branch): Declare. + * tree-cfg.c (tree_can_remove_branch_p): New function. + (tree_cfg_hooks): Add tree_can_remove_branch_p. + * cfgrtl.c (rtl_can_remove_branch_p): New function. + (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p. + +2007-02-05 Jan Hubicka <jh@suse.cz> + + PR middle-end/30696 + * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed + nodes in cgraph, don't remove offline copy of the function. + +2007-02-04 Jan Hubicka <jh@suse.cz> + + * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into + vectors might cause maybe_lookup_element_for_expr to be called + on non-sra-candidate. + +2007-02-04 Kazu Hirata <kazu@codesourcery.com> + + * config/bfin/bfin-modes.def, config/bfin/bfin.c, + config/bfin/bfin.md, config/bfin/predicates.md: Follow + spelling conventions. + +2007-02-04 Richard Guenther <rguenther@suse.de> + + PR middle-end/30636 + * fold-const.c (try_move_mult_to_index): Make sure to not + overflow one dimension of a multi-dimensional array access. + +2007-02-04 Jan Hubicka <jh@suse.cz> + + * passes.c (init_optimization_passes): Reindent. + +2007-02-04 Jan Hubicka <jh@suse.cz> + Eric Botcazou <ebotcazou@adacore.com> + + * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to... + (execute_fixup_cfg): Break out the abnormal goto code. + * tree-inline.c (has_abnormal_outgoing_edge_p): ...here. + (make_nonlocal_label_edges): Move here from execute_fixup_cfg. + (optimize_inline_calls): Call make_nonlocal_label_edges. + +2007-02-04 Jan Hubicka <jh@suse.cz> + + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return + true when something was changed. + (rename_ssa_copies): When something was changed, do + TODO_remove_unused_locals. + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value): + add TODO_remove_unused_locals when instruction was removed. + +2007-02-04 Jan Hubicka <jh@suse.cz> + + * ipa-inline.c (try_inline): Improve debug output; work on already + inline edges too. + (cgraph_decide_inlining_incrementally): Indent; improve debug output; + call try_inline for already inlined edges too when flattening; + inline also functions that make callee growth but overall unit size + reduce. + +2007-02-04 Kazu Hirata <kazu@codesourcery.com> + + * config/m32c/bitops.md, config/m32c/jump.md, + config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c, + config/m32r/m32r.h, config/m32r/m32r.md, + config/m32r/predicates.md, config/m68hc11/larith.asm, + config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h, + config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md, + config/mips/mips-protos.h, config/mips/mips.c, + config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S, + config/mn10300/mn10300.h, config/mn10300/predicates.md, + config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow + spelling conventions. + + * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md: + Follow spelling conventions. + +2007-02-03 Douglas Gregor <doug.gregor@gmail.com> + + * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't + warn about C++0x compatibility. + +2007-02-04 Kazu Hirata <kazu@codesourcery.com> + + * config/h8300/h8300.c, config/h8300/h8300.h, + config/h8300/h8300.md: Follow spelling conventions. + +2007-02-03 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/30667 + * combine.c (try_combine): Do not substitute source operand + with constants wider than 2 * HOST_BITS_PER_WIDE_INT. + +2007-02-03 Jan Hubicka <jh@suse.cz> + + PR gcov-profile/30650 + * value-prof.c (stringop_block_profile): Fix handling of size counter; + do not divide by zero for never executed counters. + (tree_find_values_to_profile): Fix counters. + * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments. + +2007-02-03 Ian Lance Taylor <iant@google.com> + + * lower-subreg.c (simple_move_operand): New static function, + broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH + operands. + (simple_move): Call simple_move_operand. + (find_decomposable_subregs): Add special handling of MEMs. + (can_decompose_p): Rename from cannot_decompose_p. Reverse + meaning of return value. If we see a hard register, test whether + it can store a word_mode value. Change all callers. + +2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New + ftrapv insns and expanders. + (subdi3): Change define_expand operand 1 to arith11_operand, and + operand 2 to reg_or_0_operand. Change constraints of 64-bit insn + pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to + handle 11-bit constants and reg_or_0 operands in operands 1 and 2, + respectively. + + PR middle-end/30174 + * varasm.c (notice_global_symbol): Treat global objects as weak when + flag_shlib is true. + +2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * emit-rtl.c (dconstpi): Delete. + (dconstsqrt2): New. + (init_emit_once): Delete dconstpi and init dconstsqrt2. + * real.h (dconstpi): Delete. + (dconstsqrt2): New. + * builtins.c (fold_builtin_cabs): Use dconstsqrt2. + (fold_builtin_hypot): Likewise. + +2007-02-03 Tom Tromey <tromey@redhat.com> + + PR driver/30246 + * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3, + -gcoff3, -gxcoff3, -gvms3 implies -dD. + +2007-02-03 Kazu Hirata <kazu@codesourcery.com> + + * c-decl.c, config/avr/avr.c, config/avr/avr.h, + config/m68k/m68k.c, config/m68k/netbsd-elf.h, + config/mn10300/mn10300.c, config/pdp11/pdp11.h, + config/rs6000/cell.md, config/rs6000/darwin.h, + config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c, + config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h, + jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c, + tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment + typos. Follow spelling conventions. + * doc/invoke.texi: Follow spelling conventions. + +2007-02-03 Roger Sayle <roger@eyesopen.com> + + * simplify-rtx.c (simplify_relational_operation_1): Implement some + canonicalization transformations that attempt to simplify integer + constant comparisons to become comparisons against zero. + +2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into + fabs(x)*sqrt(2). + * fold-const.c (fold_binary): Fix comment typos. Fold complex + (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y). + +2007-02-02 Mike Stump <mrs@apple.com> + + * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add. + * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add. + (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to + generate a branch island. + +2007-02-02 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P. + (xtensa_legitimate_address_p): New. + (xtensa_legitimize_address): New. + (xtensa_output_addr_const_extra): New. + * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define. + (BASE_REG_P): New. + (REG_OK_FOR_BASE_P): Use BASE_REG_P. + (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p. + (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address. + (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra. + * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New. + (xtensa_legitimize_address): New. + (xtensa_output_addr_const_extra): New. + +2007-02-02 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.c (ia64_print_operand): Fix compare strings. + +2007-02-02 Ian Lance Taylor <iant@google.com> + + * expmed.c (expand_divmod): Add comment. + +2007-02-02 Kazu Hirata <kazu@codesourcery.com> + + * emit-rtl.c (renumber_insns): Remove. + * flags.h: Remove the extern for flag_renumber_insns. + * rtl.h: Remove the prototype for renumber_insns. + * toplev.c (flag_renumber_insns): Remove. + +2007-02-02 Hui-May Chang <hm.chang@apple.com> + + Revert for x86 darwin: + 2005-06-19 Uros Bizjak <uros@kss-loka.si> + + * config/i386/i386.c (ix86_function_arg_regno_p): Put back the + code before the following patch under TARGET_MACHO. + (ix86_function_value_regno_p): Likewise. + +2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (negate_expr_p, fold_negate_expr): Handle + COMPLEX_EXPR. + +2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru> + + PR target/29682 + * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory + loads to general or fp registers. Add comments. + * config/ia64/ia64.md (reg_pred_prefix): Add comment. + +2007-02-02 Paolo Bonzini <bonzini@gnu.org> + + * pointer-set.c (insert_aux): Only return insertion slot. + (pointer_set_insert): Adjust. + (pointer_set_traverse, struct pointer_map_t, pointer_map_create, + pointer_map_destroy, pointer_map_insert, pointer_map_contains, + pointer_map_traverse): New. + * pointer-set.h (pointer_set_traverse, struct pointer_map_t, + pointer_map_create, pointer_map_destroy, pointer_map_insert, + pointer_map_contains, pointer_map_traverse): Declare. + +2007-02-02 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/30473 + * builtins.c (fold_builtin_sprintf): Do not attempt to optimize + sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++). + +2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru> + + * sched-int.h (ds_to_dk, dk_to_ds): Declare functions. + + (struct _dep): New type. + (dep_t): New typedef. + (DEP_PRO, DEP_CON, DEP_KIND): New access macros. + (DEP_STATUS): New access macro. The macro with the same name was + renamed to DEP_LINK_STATUS. + (dep_init): Declare function + + (struct _dep_link): New type. + (dep_link_t): New typedef. + (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros. + (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros. + (DEP_LINK_STATUS): New macro. + (debug_dep_links): New debug function. + + (struct _deps_list): New type. + (deps_list_t): New typedef. + (DEPS_LIST_FIRST): New access macro. + (FOR_EACH_DEP_LINK): New cycle macro. + (create_deps_list, free_deps_list, delete_deps_list): Declare + functions. + (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto. + (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto. + (copy_deps_list_change_con): Ditto. + + (move_dep_link): Declare function. + + (struct _dep_node): New type. + (dep_node_t): New typedef. + (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros. + + (struct haifa_insn_data.back_deps): New field to hold backward + dependencies of the insn. + (struct haifa_insn_data.depend): Rename to forw_deps. Change its type + to deps_list_t. + (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps. + Change its type to deps_list_t. + (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS. + (INSN_DEPEND): Rename to INSN_FORW_DEPS. + (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS. + + (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead. + + (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment. + + (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration + and all callers. + (dep_cost): Declare. + + * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks. + (ds_to_dk, dk_to_ds): New functions. + + (init_dep_1): New static function. + (init_dep): New function. + (copy_dep): New static function. + + (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static + functions. + (detach_dep_link): New static function. + (move_dep_link): New function. + + (dep_links_consistent_p, dump_dep_links): New static functions. + (debug_dep_links): New debugging function. + + (deps_obstack, dl_obstack, dn_obstack): New static variables. + + (alloc_deps_list, init_deps_list): New static functions. + (create_deps_list): New function. + (clear_deps_list): New static function. + (free_deps_list, delete_deps_list, deps_list_empty_p): New functions. + (deps_list_consistent_p, dump_deps_list): New static functions. + (debug_deps_list): New function. + (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New + functions. + (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto. + + (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to + use new scheduler dependencies lists. + (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto. + (sched_analyze): Ditto. Initialize dependencies lists. + (add_forw_dep, compute_forward_dependences): Update to use new + scheduler dependencies lists. + + (init_dependency_caches): Init deps_obstack. + (free_dependency_caches): Free deps_obstack. + + (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use + new scheduler dependencies lists. + (delete_forw_dep, add_or_update_back_forw_dep): Ditto. + (add_back_forw_dep, delete_back_forw_dep): Ditto. + + * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree): + Update to use new scheduler dependencies lists. + (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto. + (debug_dependencies): Ditto. + (schedule_region): Update comments. + + * sched-ebb.c (earliest_block_with_similiar_load): Update to use new + scheduler dependencies lists. + (schedule_ebb): Update comments. + + * rtl.def (DEPS_LIST): Remove. + + * lists.c (unused_deps_list): Remove. + (free_list): Update assertions. + + (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove. + (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto. + + * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations. + (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto. + + * haifa-sched.c (comments): Update. + (insn_cost1): Remove. Inline the code into insn_cost (). + (insn_cost): Update to use new scheduler dependencies lists. Move + processing of the dependency cost to dep_cost (). + (dep_cost): New function. Use it instead of insn_cost () when + evaluating cost of the dependency. Use compatible interface to + interact with the target. + (priority): Update to use new scheduler dependencies lists. + (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn + with greater number of insns that depend on the insn. + (schedule_insn): Update to use new scheduler dependencies lists. Add + code to free backward dependencies lists. Inline and optimize code + from resolve_dep () - see PR28071. + (ok_for_early_queue_removal): Update to use new scheduler dependencies + lists. Update call to targetm.sched.is_costly_dependence hook. + + (fix_inter_tick, try_ready, fix_tick_ready): Update to use new + scheduler dependencies lists. + + (resolve_dep): Remove. Move the logic to schedule_insn (). + (init_h_i_d): Initialize dependencies lists. + + (process_insn_depend_be_in_spec): Rename to + process_insn_forw_deps_be_in_spec. Update to use new scheduler + dependencies lists. + (add_to_speculative_block, create_check_block_twin, fix_recovery_deps): + Update to use new scheduler dependencies lists. + (clear_priorities, calc_priorities, add_jump_dependencies): Ditto. + + * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use + new scheduler dependencies lists. + (build_intra_loop_deps): Ditto. + + * target.h (struct _dep): Declare to use in + gcc_target.sched.is_costly_dependence. + (struct gcc_target.sched.adjust_cost): Fix typo. + (struct gcc_target.sched.is_costly_dependence): Change signature to + use single dep_t parameter instead of an equivalent triad. + (struct gcc_target.sched.adjust_cost_2): Remove. + + * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove. + + * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments. + + * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update + documentation. + (TARGET_SCHED_ADJUST_COST_2): Remove documentation. + + * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler. + (REG_DEP_TRUE): Document. + + * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost. + Change signature to correspond to the targetm.sched.adjust_cost hook. + Update use in TARGET_SCHED_ADJUST_COST_2. + (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST. + (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use + new scheduler dependencies lists. + (ia64_gen_check): Ditto. + + * config/mips/mips.c (vr4130_swap_insns_p): Update to use new + scheduler dependencies lists. + + * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change + signature to correspond to the targetm.sched.is_costly_dependence hook. + (is_costly_group): Update to use new scheduler dependencies lists. + + * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function + instead of INSN_COST () macro. + +2007-02-01 Ian Lance Taylor <iant@google.com> + + * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn. + +2007-02-01 Guy Martin <gmsoft@gentoo.org> + + * pa.md (tp_load): Correct mfctl instruction syntax. + +2007-02-01 Geoffrey Keating <geoffk@apple.com> + + * config/rs6000/rs6000.c (rs6000_stack_info): Correct + altivec_padding_size calculation on AIX. Improve comment, add + assert to verify that it's right. + + * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for + 64-bit. + +2007-2-01 Seongbae Park <seongbae.park@gmail.com> + + PR inline-asm/28686 + * global.c (global_alloc): Add mising initialization of + ELIMINABLE_REGSET. + +2007-02-01 Roger Sayle <roger@eyesopen.com> + + * alias.c (init_alias_analysis): Correct whitespace. + * bb-reorder.c (fix_edges_for_rarely_executed_code, + partition_hot_cold_basic_blocks): Likewise. + * builtins.c (expand_builtin_printf, expand_builtin_fprintf, + expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf, + maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk, + fold_builtin_snprintf_chk, fold_builtin_printf, + fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2, + do_mpfr_arg3, do_mpfr_sincos): Likewise. + * cfgcleanup.c (cleanup_cfg): Likewise. + * cfgexpand.c (tree_expand_cfg): Likewise. + * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise. + * function.c (get_next_funcdef_no): Likewise. + * gengtype.c (main): Likewise. + * genmodes.c (main): Likewise. + * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise. + * haifa-sched.c (schedule_block, extend_h_i_d): Likewise. + * ifcvt.c (noce_emit_move_insn): Likewise. + * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order): + Likewise. + * stor-layout.c (get_best_mode): Likewise. + * tree-ssa-loop-niter.c (get_val_for): Likewise. + * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc, + scc_visit, do_ds_constraint, do_complex_constraint, label_visit, + perform_var_substitution, solve_graph): Likewise. + * tree-vrp.c (vrp_finalize): Likewise. + +2007-02-01 Ian Lance Taylor <iant@google.com> + + * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the + high part of a paradoxical subreg, return a constant zero. + +2007-02-01 Zdenek Dvorak <dvorakz@suse.cz> + + * toplev.c (lang_dependent_init): Call init_set_costs. + * loop-init.c (loop_optimizer_init): Do not call init_set_costs. + +2007-02-01 Richard Guenther <rguenther@suse.de> + + PR middle-end/30656 + * fold-const.c (fold_negate_expr): Allow negating a + constant if overflow does not change. + +2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/c-tree.texi (Expression trees): Improve markup. + * doc/tm.texi (Register Classes, Addressing Modes) + (Floating Point): Fix spacing after abbreviations. Fix some + typos. + +2007-02-01 Ben Elliston <bje@au.ibm.com> + + * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout. + * doc/contrib.texi: Likewise. + * doc/install.texi: Likewise. + +2007-01-31 Richard Henderson <rth@redhat.com> + Ian Lance Taylor <iant@google.com> + + * lower-subreg.c: New file. + * rtl.def (CONCATN): Define. + * passes.c (init_optimization_passes): Add pass_lower_subreg and + pass_lower_subreg2. + * emit-rtl.c (update_reg_offset): New static function, broken out + of gen_rtx_REG_offset. + (gen_rtx_REG_offset): Call update_reg_offset. + (gen_reg_rtx_offset): New function. + * regclass.c: Revert patch of 2006-03-05, restoring + reg_scan_update. + (clear_reg_info_regno): New function. + * dwarf2out.c (concatn_loc_descriptor): New static function. + (loc_descriptor): Handle CONCATN. + * common.opt (fsplit_wide_types): New option. + * opts.c (decode_options): Set flag_split_wide_types when + optimizing. + * timevar.def (TV_LOWER_SUBREG): Define. + * rtl.h (gen_reg_rtx_offset): Declare. + (reg_scan_update): Declare. + * regs.h (clear_reg_info_regno): Declare. + * tree-pass.h (pass_lower_subreg): Declare. + (pass_lower_subreg2): Declare. + * doc/invoke.texi (Option Summary): List -fno-split-wide-types. + (Optimize Options): Add -fsplit-wide-types to -O1 list. Document + -fsplit-wide-types. + * doc/rtl.texi (Regs and Memory): Document concat and concatn. + * Makefile.in (OBJS-common): Add lower-subreg.o. + (lower-subreg.o): New target. + +2007-01-31 Kazu Hirata <kazu@codesourcery.com> + + * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove. + +2007-01-31 Anatoly Sokolov <aesok@post.ru> + + PR target/19087 + * config/avr/avr.c (DWARF2_ADDR_SIZE): Define. + +2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR middle-end/29335 + * builtins.c (fold_builtin_sqrt): Use MPFR for constant args. + +2007-01-31 Zdenek Dvorak <dvorakz@suse.cz> + + * cfgloop.h: Include vec-prim.h. + (enum li_flags): Remove LI_ONLY_OLD. + (loop_iterator): Changed. + (fel_next, fel_init): Iterate over loop tree. + (FOR_EACH_LOOP_BREAK): New macro. + * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to + FOR_EACH_LOOP. + * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto. + * modulo-sched.c (sms_schedule): Ditto. + * tree-vectorizer.c (vectorize_loops): Ditto. + * doc/loop.texi: Update information on loop numbering and behavior of + FOR_EACH_LOOP wrto new loops. + * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop, + add_to_evolution_1): Test nestedness of loops instead of comparing + their numbers. + * tree-chrec.c (chrec_fold_plus_poly_poly, + chrec_fold_multiply_poly_poly, chrec_evaluate, + hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num, + reset_evolution_in_loop): Ditto. + * Makefile.in (CFGLOOP_H): Add vecprim.h dependency. + +2007-01-31 Dirk Mueller <dmueller@suse.de> + + * c-common.c (warn_about_parentheses): Separate warning about + un-parenthized sequence of comparison operators from the one + which is supposed to warn about x <= y <= z. + +2007-01-31 Uros Bizjak <ubizjak@gmail.com> + + * optabs.h (enum optab_index): Add new OTI_isinf. + (isinf_optab): Define corresponding macro. + * optabs.c (init_optabs): Initialize isinf_optab. + * genopinit.c (optabs): Implement isinf_optab using isinf?f2 + patterns. + * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}. + (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L} + using isinf_optab. + (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using + expand_builtin_interclass_mathfn. + * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM. + * config/i386/i386.md (UNSPEC_FXAM): New constant. + (fxam<mode>2_i387): New insn pattern. + (isinf<mode>2) New expander to implement isinf, isinff and isinfl + built-in functions as x87 inline asm. + +2007-01-31 Kazu Hirata <kazu@codesourcery.com> + + * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New. + +2007-01-30 Eric Christopher <echristo@apple.com> + + * config.gcc: Add geode. + +2007-01-31 Kazu Hirata <kazu@codesourcery.com> + + * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c, + ipa-inline.c, tree-profile.c, tree-ssa-live.c, + tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c, + value-prof.c: Fix comment typos. + +2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c++/24745 + * doc/invoke.texi (Wpointer-arith): Document warning. + +2007-01-30 Janis Johnson <janis187@us.ibm.com> + + * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from + the list of discrepancies from the draft TR. + +2007-01-30 Dirk Mueller <dmueller@suse.de> + + PR c++/30601 + * doc/invoke.texi (-Wreturn-type): Update description to + match new behavior. + +2007-01-30 Richard Sandiford <richard@codesourcery.com> + + * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p. + +2007-01-30 Uros Bizjak <ubizjak@gmail.com> + + * builtins.c (expand_builtin_int_interclass_roundingfn): New function + to handle optabs that operate on floating point input argument and + output to integer output. + (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ... + (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here. + (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using + expand_builtin_interclass_mathfn (). + * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387. + (ilogbsi2): Remove. + (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and + ilogbl built-in functions as x87 intrinsics. + +2007-01-30 Richard Guenther <rguenther@suse.de> + + PR middle-end/27657 + * dwarf2out.c (reference_to_unused): Query varpool if the + variable was output. + +2007-01-30 Richard Guenther <rguenther@suse.de> + + PR middle-end/30313 + * passes.c (execute_one_pass): Reset in_gimple_form to not + confuse non-unit-at-a-time mode. + +2007-01-29 Roger Sayle <roger@eyesopen.com> + Richard Guenther <rguenther@suse.de> + + * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to + avoid undefined behaviour on overflow. Use force_fit_type_double + to construct the constant with the specified TREE_OVERFLOW. + +2007-01-29 Janis Johnson <janis187@us.ibm.com> + + * config/dfp-bit.c: Add parameterized support for fp exceptions. + * config/dfp-bit.h: Ditto. + +2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * c-decl.c (pop_scope): Replace warnings with call to + warn_for_unused_label. + * c-common.h (warn_for_unused_label): Declare. + * c-common.c (warn_for_unused_label): Define. + +2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * tree-optimize.c (update_inlined_to_pointers): Delete unused + function. + +2007-01-29 Janis Johnson <janis187@us.ibm.com> + + * Makefile.in (USER_H): Remove decfloat.h. + * ginclude/decfloat.h: Delete, moving contents to ... + * ginclude/float.h: Add support for decimal floating point, + guarded by __STDC_WANT_DEC_FP__. + +2007-01-29 Mike Stump <mrs@apple.com> + + * doc/gccint.texi (Top): Rename Loop Representation to Loop + Analysis and Representation to resolve case insensitive conflict. + * doc/loop.texi (Loop Analysis and Representation): Likewise. + +2007-01-28 Daniel Berlin <dberlin@dberlin.org> + + * tree.h (struct tree_memory_tag): Add aliases member. + (MTAG_ALIASES): New macro. + * tree-ssa-alias.c (alias_bitmap_obstack): New variable. + (add_may_alias): Remove pointer-set. Update for may_aliases being + a bitmap. + (mark_aliases_call_clobbered): Update for may_aliases being a + bitmap. + (compute_tag_properties): Ditto. + (create_partition_for): Ditto. + (compute_memory_partitions): Ditto. + (dump_may_aliases_for): Ditto. + (is_aliased_with): Ditto. + (add_may_alias_for_new_tag): Ditto. + (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap. + (compute_is_aliased): New function. + (compute_may_aliases): Call compute_is_aliased). + (init_alias_info): Initialize alias_bitmap_obstack. + (union_alias_set_into): New function. + (compute_flow_sensitive_aliasing): Use union_aliases_into. + (have_common_aliases_p): Rewrite to take two bitmaps and use + intersection. + (compute_flow_insensitive_aliasing): Stop using pointer-sets. + Update for bitmaps. + (finalize_ref_all_pointers): Update for add_may_alias changes. + (new_type_alias): Ditto. + * tree-flow-inline.h (may_aliases): Return a bitmap. + * tree-dfa.c (dump_variable): Check for MTAG_P'ness. + * tree-ssa.c (verify_flow_insensitive_alias_info): Update for + may_aliases being a bitmap. + * tree-flow.h (struct var_ann_d): Remove may_aliases member. + may_aliases now returns a bitmap. + * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases + being a bitmap. + * tree-ssa-operands.c (add_virtual_operand): Update for + may_aliases being a bitmap. + +2007-01-29 Daniel Berlin <dberlin@dberlin.org> + + PR tree-optimization/30630 + * tree-ssa-structalias.c (do_complex_constraint): Mark correct + variable as changed. + +2007-01-29 Simon Martin <simartin@users.sourceforge.net> + + PR c++/28266 + * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is + expanded only once even if an error occurs. + +2007-01-29 Ben Elliston <bje@au.ibm.com> + + * gcov-io.h (__gcov_indirect_call_profiler): Declare. + (__gcov_average_profiler): Likewise. + (__gcov_ior_profiler): Likewise. + (__gcov_merge_ior): Likewise. + +2007-01-28 Jan Hubicka <jh@suse.cz> + + * builtins.c (expand_builtin_memset): Fix typo in my last patch. + * value-prof.c (stringop_block_profile): Likewise. + +2007-01-28 Jan Hubicka <jh@suse.cz> + + * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): + Add variant handling histograms; add wrapper. + (clear_storage_via_libcall): Export. + (emit_block_move_hints): Break out from ...; add histograms. + (emit_block_move): ... this one. + (clear_storage_hints): Break out from ...; add histograms. + (clear_storage): ... this one. + (set_storage_via_memset): Handle histogram. + * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare. + (clear_storage_hints, clear_storage_via_libcall): Declare. + (set_storage_via_setmem): Update prototype. + * doc/md.texi (movmem, setmem): Document new arguments. + + * value-prof.c (dump_histogram_value, tree_find_values_to_profile): + Add new histograms. + (stringop_block_profile): New global function. + (tree_stringops_values_to_profile): Profile block size and alignment. + * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and + HIST_TYPE_IOR. + (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler. + (stringop_block_profile): Declare. + * builtins.c: Include value-prof.h. + (expand_builtin_memcpy, expand_builtin_memset): Pass block profile. + * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter. + (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants. + (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update. + * profile.c (instrument_values): Add new counters. + * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to + calls. + * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New. + (tree_init_edge_profiler): Build new profilers. + (tree_gen_average_profiler, tree_gen_ior_profiler): New. + (pass_tree_profile): Add dump. + (tree_profile_hooks): Update. + * Makefile.in (LIBGCOV): Add new constants. + * libgcov.c (__gcov_merge_ior, __gcov_average_profiler, + __gcov_ior_profiler): New. + * config/i386/i386.md (movmem/setmem expanders): Add new optional + arguments. + +2007-01-28 David Edelsohn <edelsohn@gnu.org> + + * doc/md.texi (Standard Pattern Names): Document blockage pattern. + +2007-01-28 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-unswitch.c: Include tree-inline.h. + (tree_unswitch_single_loop): Pass eni_size_weights to + tree_num_loop_insns. + * tree-ssa-loop-manip.c: Include tree-inline.h. + (can_unroll_loop_p): Pass eni_size_weights to + tree_num_loop_insns. + * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): + Pass eni_size_weights to estimate_num_insns. + * tree.h (init_inline_once): Export. + * toplev.c (backend_init): Call init_inline_once. + * cgraphunit.c (cgraph_process_new_functions, + cgraph_analyze_function): Pass eni_inlining_weights to + estimate_num_insns. + * ipa-inline.c (compute_inline_parameters): Ditto. + * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights + to estimate_num_insns. + (try_unroll_loop_completely): Pass eni_size_weights to + tree_num_loop_insns. + * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights + ot estimate_num_insns. + * tree-ssa-loop-prefetch.c: Include tree-inline.h. + (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns. + * tree-inline.c (eni_inlining_weights, eni_size_weights, + eni_time_weights): New variables. + (init_inline_once): Initialize them. + (struct eni_data): Mew. + (estimate_num_insns_1, estimate_num_insns): Use weights. + * tree-inline.h (struct eni_weights_d): New. + (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare. + (estimate_num_insns): Declaration changed. + * cfgloop.h (tree_num_loop_insns): Declaration changed. + * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o, + tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency. + +2007-01-28 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-data-ref.c (conflict_fn): Assert that the number of affine + relations in the conflict function is valid. + +2007-01-27 Ian Lance Taylor <iant@google.com> + + * common.opt: Add fstrict-overflow. + * opts.c (decode_options): Set flag_strict_overflow if -O2. + * flags.h (TYPE_OVERFLOW_WRAPS): Define. + (TYPE_OVERFLOW_UNDEFINED): Define. + (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED. + Replace all uses. + * tree.h (TYPE_TRAP_SIGNED): Don't define. + * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED. + (fold_negate_expr): Likewise. + (make_range): Likewise. + (extract_muldiv_1): Likewise. + (maybe_canonicalize_comparison): Likewise. + (fold_comparison): Likewise. + (fold_binary): Likewise. + (tree_expr_nonnegative_p): Likewise. + (tree_expr_nonzero_p): Likewise. + * tree-vrp.c (compare_values): Likewise. + (extract_range_from_binary_expr): Likewise. + (extract_range_from_unary_expr): Likewise. + * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness): + Likewise. + (nowrap_type_p): Likewise. + * tree-scalar-evolution.c (simple_iv): Likewise. + * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS. + (build_range_check): Likewise. + (extract_muldiv_1): Likewise. + (fold_comparison): Likewise. + * tree-vrp.c (vrp_int_const_binop): Likewise. + (extract_range_from_unary_expr): Likewise. + * convert.c (convert_to_integer): Likewise. + * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS. + (fold_comparison): Likewise. + (fold_binary): Likewise. + * optabs.c (optab_for_tree_code): Likewise. + * tree-vectorizer.c (vect_is_simple_reduction): Likewise. + * simplify-rtx.c (simplify_const_relational_operation): Check + flag_strict_overflow and flag_trapv. + (simplify_const_relational_operation): Likewise. + * doc/invoke.texi (Option Summary): Mention -fstrict-overflow. + (Optimize Options): Add -fstrict-overflow to -O2 list. Document + -fstrict-overflow. + +2007-01-27 Roger Sayle <roger@eyesopen.com> + + * tree.c (tree_fold_gcd): Delete. + * tree.h (tree_fold_gcd): Remove prototype. + * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to + test whether one constant integer is a multiple of another. Instead + call int_const_binop with TRUNC_MOD_EXPR and test for a zero result. + * fold-const.c (multiple_of_p): We've determined both TOP and + BOTTOM are integer constants so we can call int_const_binop directly + instead of the more generic const_binop. + +2007-01-27 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and + 1*X check that the constant hasn't overflowed, to preserve the + TREE_OVERFLOW bit. + (round_up): Provide an efficient implementation when rouding-up an + INTEGER_CST to a power-of-two. + +2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/sourcebuild.texi: Add comma for clarity. + * doc/extend.texi: Fix some typos. + * doc/passes.texi: Likewise. + * doc/cppinternals.texi: Likewise. + * doc/c-tree.texi: Likewise. + * doc/tree-ssa.texi: Likewise. + * doc/install.texi: Likewise. + +2007-01-27 Jan Hubicka <jh@suse.cz> + + * tree-sra.c (sra_walk_function): Don't rely on aliases being build. + (pass_sra): Do not require alias information. + * passes.c (init_optimization_passes): Add SRA + +2007-01-27 Steven Bosscher <steven@gcc.gnu.org> + + * tracer.c (rest_of_handle_tracer): We already cleaned + up the CFG in tracer() so don't do it here again. + * cfgcleanup.c (rest_of_handle_jump2): Don't repeat + cleanup_cfg here, either. And don't call renumber_insns. + + * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END + and BB_HEAD are in the insn stream here. Instead make sure + that BB_INSN is valid on all insns. Also, do check here that + there are no pending branch predictions... + (rtl_verify_flow_info): ...instead of doing it here. Checks + for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to + here. + +2007-01-26 Roger Sayle <roger@eyesopen.com> + + * config/i386/i386.c (ix86_swap_binary_operands_p): New helper + function to simplify/factorize operand order canonicalization. + (ix86_fixup_binary_operands): Reorganize using the above function. + (ix86_binary_operator_ok): Likewise. + +2007-01-27 Jakub Jelinek <jakub@redhat.com> + + * genattrtab.c (struct attr_value_list, insn_code_values): Move to + file scope from optimize_attrs. + (simplify_test_exp): If insn_code_values is not NULL, use it to speed + up search. + (optimize_attrs): Clear insn_code_values after freeing it. + +2007-01-26 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from + a parts.base assignment. + +2007-01-26 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-data-ref.c (dump_subscript): Use dump_conflict_function. + (compute_subscript_distance, initialize_data_dependence_relation, + finalize_ddr_dependent, analyze_ziv_subscript, + analyze_siv_subscript_cst_affine, + compute_overlap_steps_for_affine_univar, + compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine, + analyze_siv_subscript, analyze_miv_subscript, + analyze_overlapping_iterations, subscript_dependence_tester_1, + compute_self_dependence, free_dependence_relation): Work + with affine_fn instead of chrecs. + (dump_affine_function, dump_conflict_function, affine_function_equal_p, + common_affine_function, affine_function_base, + affine_function_constant_p, affine_fn_op, affine_fn_plus, + affine_fn_minus, affine_fn_free, conflict_fn_not_known, + conflict_fn_no_dependence, free_conflict_function, free_subscripts, + conflict_fn, affine_fn_cst, affine_fn_univar): New functions. + (all_chrecs_equal_p): Removed. + * tree-data-ref.h (affine_fn, conflict_function): New types. + (struct subscript): Change type of conflicting_iterations_in_a + and conflicting_iterations_in_b. + +2007-01-26 Steve Ellcey <sje@cup.hp.com> + + PR other/30182 + * config/pa/pa.h (TARGET_HPUX_11): New. + * config/pa/pa-hpux11.h (TARGET_HPUX_11): New. + * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11. + +2007-01-26 Daniel Berlin <dberlin@dberlin.org> + Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (solve_graph): Handle case + we merged the variable to another. + +2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even' + functions. + + * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan, + catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions. + +2007-01-25 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't + allow changes to modes which don't fit in those registers. + + * reload1.c (choose_reload_regs): Check for invalid subregs before + computing their locations, not after. + +2007-01-25 Geoffrey Keating <geoffk@apple.com> + + PR 25127 + * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin, + save Altivec registers in an eh_return function. + (compute_vrsave_mask): Likewise. + (rs6000_stack_info): Correct AIX/Darwin stack alignment computation + for saving Altivec registers. + (rs6000_emit_prologue): Don't allocate stack twice in + eh_return function. Correct expected value of altivec_save_offset + when using save_world. Describe save of R0 to stack when using + save_world. Describe stack pointer adjustment when using + save_world. Remove duplicated eh_return parameter register saving. + Update sp_offset variable after save_world. + * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove + darwin-world.asm. + (LIB2FUNCS_EXTRA): Add darwin-world.asm. + * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64 + implies Altivec. + +2007-01-25 Steve Ellcey <sje@cup.hp.com> + + * config.gcc (ia64*-*-hpux*): Make posix threads the default. + +2007-01-25 Steve Ellcey <sje@cup.hp.com> + + PR other/30182 + * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines. + * config/ia64/ia64.c (ia64_init_builtins): Ditto. + +2007-01-25 Richard Guenther <rguenther@suse.de> + + * doc/invoke.texi (-Wcoverage-mismatch): Document. + * common.opt (-Wcoverage-mismatch): New warning option. + * coverage.c (get_coverage_counts): Ignore coverage mismatch + if -Wcoverage-mismatch is given. + +2007-01-25 Razya Ladelsky <razya@il.ibm.com> + + * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA. + (ipcp_driver): Change to static definition. + Add dumping of the ifunctions. + (constant_val_insert): Remove unused parameter. Support for SSA. + (ipcp_propagate_const): Support for SSA. + (ipcp_profile_bb_print): Print only analyzed nodes. + (ipcp_replace_map_create): Remove support for Fortran constant + for now. + * ipa-prop.c (ipa_method_modify_stmt, + ipa_callsite_compute_param): Support for SSA. + * ipa-prop.h (ipcp_driver): Remove declaration. + (IS_VALID_TREE_MAP_INDEX): Add define. + +2007-01-24 Geoffrey Keating <geoffk@apple.com> + + * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap. + +2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR middle-end/30447 + * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a + constant argument to cabs and do it without checking for + -funsafe-math-optimizations. + +2007-01-24 Douglas Gregor <dgregor@osl.iu.edu> + + * c-common.h (RID_FIRST_CXX0X): New. + (RID_LAST_CXX0X): New. + * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered + by -Wall. + * c.opt (Wc++0x-compat): New. + * doc/invoke.texi (-Wc++0x-compat): Document. + +2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (fold_builtin_carg): New. + (fold_builtin_1): Use it. + +2007-01-24 Jan Hubicka <jh@suse.cz> + + * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns. + + * ipa-inline.c (initial_insns, max_insns): Delete. + (compute_max_insns): New function. + (cgraph_decide_inlining_of_small_function): Use it; take minimal + amount of insns as base for code growth. + (cgraph_decide_inlining): Make initial_insns local; do not compute + max_insns. + * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60. + * doc/invoke.texi (inline-unit-growth): Update docs. + +2007-01-24 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.h (x86_cmpxchg16b): Remove const. + (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b. + * config/i386/i386.c (x86_cmpxchg16b): Remove const. + (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b + for CPUs that have PTA_CX16 set. + + PR middle-end/27416 + * gimplify.c (omp_check_private): New function. + (gimplify_scan_omp_clauses): Use it for + firstprivate/lastprivate/reduction. + + PR middle-end/30494 + * gimplify.c (omp_add_variable): Don't call omp_notice_variable + on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs. + + PR middle-end/30421 + * omp-low.c (lower_omp_for_lastprivate): Add dlist argument. + If lower_lastprivate_clauses emits some statements, append them + to dlist rather than body_p and to body_p append an initializer. + (lower_omp_for): Adjust caller. + +2007-01-24 Steve Ellcey <sje@cup.hp.com> + + * target.h (globalize_decl_name): New. + * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New. + * output.h (default_globalize_decl_name): New. + * varasm.c (asm_output_bss): Use globalize_decl_name instead of + globalize_label. + (globalize_decl): Ditto. + (default_globalize_decl_name): New. + * config/ia64/ia64.c (ia64_globalize_decl_name): New. + (ia64_handle_version_id_attribute): New. + (TARGET_ASM_GLOBALIZE_DECL_NAME): New. + (ia64_asm_output_external): Use globalize_decl_name instead + of globalize_label. + * doc/extend.texi (version_id): New pragma. + * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook. + +2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com> + + * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with + _uleb128_t and _Unwind_SWord with _sleb128_t. + * unwind-dw2.c (extract_cie_info, execute_stack_op, + execute_cfa_program, uw_frame_state_for, uw_update_context_1): + Likewise. + * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise. + * unwind-pe.h (read_uleb128, read_sleb128, + read_encoded_value_with_base): Likewise. + * unwind-generic.h: Define _sleb128_t and _uleb128_t types. + +2007-01-24 Richard Guenther <rguenther@suse.de> + + * builtins.c (expand_builtin_cexpi): Get the fndecl + for cexp in the correct way. + +2007-01-24 Jan Hubicka <jh@suse.cz> + + * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS + of calls. + +2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com> + + * c-cppbuiltin.c (builtin_define_type_sizeof): New function. + (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__, + __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__, + __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__, + __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and + __SIZEOF_PTRDIFF_T__. + * doc/cpp.texi: Documentation for the new builtin macros added. + +2007-01-24 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2, + log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2 + instead of operands[2] to avoid access past the end of array. + +2007-01-24 Richard Sandiford <richard@codesourcery.com> + + * reload1.c (emit_reload_insns): Pass the reload register + for a non-spill output reload through forget_old_reloads_1. + +2007-01-23 Joseph Myers <joseph@codesourcery.com> + + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define + _SOFT_DOUBLE if doubles use software floating-point. + * config/rs6000/libgcc-ppc-glibc.ver: Export additional long + double functions if _SOFT_DOUBLE, not _SOFT_FLOAT. + * config/rs6000/darwin-ldouble.c: Also compile functions for + hard-float without FPRs. Use fmsub function for all __NO_FPRS__ + cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT. + * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove + commented-out long double override. + (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise. + * config/rs6000/eabispe.h: Likewise. + * config/rs6000/rs6000.c (rs6000_override_options): Don't override + long double for non-SPE. + (rs6000_handle_option): Likewise. + (invalid_e500_subreg): Disallow more subregs involding DImode, + DFmode, TImode or TFmode. + (rs6000_legitimate_offset_address_p): Check TFmode offsets for + E500 double. + (legitimate_lo_sum_address_p): Also check for TFmode for E500 + double. + (rs6000_legitimize_address): Also handle TFmode for E500 double. + (rs6000_legitimize_reload_address): Also handle TFmode for E500 + double. + (rs6000_legitimate_address): Also check for TFmode for E500 + double. + (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double. + (spe_build_register_parallel): Handle TFmode and TCmode. + (rs6000_spe_function_arg): Handle TFmode and TCmode for E500 + double. + (function_arg): Handle TFmode and TCmode for E500 double. + (rs6000_init_libfuncs): Initialize extra libfuncs for soft double + in general. + (print_operand): Handle TFmode and TImode for %y. + (rs6000_generate_compare): Handle TFmode comparisons for E500 + double. + (spe_func_has_64bit_regs_p): Check for TFmode for E500 double. + (rs6000_function_value): Handle TFmode and TCmode for E500 double. + (rs6000_libcall_value): Handle TFmode and TCmode for E500 double. + * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for + TFmode for E500 double. + * config/rs6000/rs6000.md (FP): Allow TF for E500 double. + (floatsidf2): Enable for E500 double. + (movtf_softfloat): Use rs6000_nonimmediate_operand. + (extenddftf2): Change to extenddftf2_fprs. + (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs + depending on TARGET_E500_DOUBLE. + (extendsftf2): Enable for E500 double. + (trunctfdf2): Enable for E500 double. + (trunctfsf2): Change to trunctfsf2_fprs. + (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs + depending on TARGET_E500_DOUBLE. + (floatsitf2): Enable for E500 double. + (fix_trunctfsi2): Change to fix_trunctfsi2_fprs. + (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or + gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE. + (negtf2): Change to negtf2_internal. + (negtf2): New expander. + (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst, + gen_spe_abstf2_cmp or gen_abstf2_internal depending on + TARGET_E500_DOUBLE and flag_unsafe_math_optimizations. + (movdi_internal32): Use rs6000_nonimmediate_operand. + (unnamed splitter): Likewise. + * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR, + TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs. + (SPE64TF, DITI): New mode macros. + (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more + modes. + (frob_tf_ti): New. + (frob_<mode>_di_2): New. + (frob_tf_di_8_2): New. + (frob_di_df): Change to frob_di_<mode>; allow more modes. + (frob_ti_tf): New. + (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow + more modes. + (frob_ti_<mode>_8_2): New. + (frob_ti_tf_2): New. + (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2, + mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow + TFmode. + (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2, + mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New. + (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2, + spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal, + spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New. + (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, + tsttflt_gp): New. + +2007-01-23 Ian Lance Taylor <iant@google.com> + + * Makefile.in (OBJS-common): Reformat, alphabetize, but put + insn-*.o first. + (OBJS-archive): Reformat, alphabetize. + (OBJS): Change out_object_file to OBJS-md. + +2007-01-23 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, + JUMP_P and CALL_P predicates where applicable. + * config/i386/i386.c: Ditto. + * config/i386/i386.md: Ditto. + * config/i386/mmx.md: Ditto. + * config/i386/predicates.md: Ditto. + +2007-01-22 Andreas Schwab <schwab@suse.de> + + * config/m68k/m68k.h: Fix comment. + +2007-01-22 Jan Hubicka <jh@suse.cz> + + * passes.c (init_optimization_passes): Do not rerun + pass_early_warn_uninitialized. + +2007-01-22 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/30038 + * tree-ssa-math-opts.c (maybe_record_sincos): New static helper + function. + (execute_cse_sincos_1): Likewise. + (execute_cse_sincos): Likewise. + (gate_cse_sincos): Likewise. + (pass_cse_sincos): New pass CSEing sin() and cos() calls using + the cexpi() canonicalization of sincos(). + * tree-pass.h (pass_cse_sincos): Declare. + * passes.c (init_optimization_passes): New pass pas_cse_sincos. + +2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/29329 + * combine.c (replaced_rhs_insn): Rename to i2mod. + (replaced_rhs_value): Rename to i2mod_new_rhs. + (i2mod_old_rhs): New global variable. + (combine_instructions): Adjust for above change. Save a copy of + the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL + note are substituted in the second instruction. + (distribute_notes) <REG_DEAD>: Adjust for above change. Do not + ditch the note if it pertains to the second eliminated register + and this register is mentioned in i2mod_old_rhs. + + Revert: + 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr> + + * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past + the insn to which the note was originally attached. + +2007-01-21 Jan Hubicka <jh@suse.cz> + + * ipa-inline.c (inlining_mode): Comment, move up. + (cgraph_decide_inlining_incrementally): Do not perform inlining + itself; fix handling of flattening of self recursive functions. + (cgraph_find_cycles): Remove. + (cgraph_flatten_node): Remove. + (cgraph_decide_inlining): Use incremental inliner to handle flattening. + (try_inline): New function. + (cgraph_early_inlining): Update call of + cgraph_decide_inlining_incrementally. Apply inlining here. + (apply_inline): Update call of cgraph_decide_inlining_incrementally. + +2007-01-21 Dirk Mueller <dmueller@suse.de> + + PR bootstrap/30511 + * tree-vrp.c (check_array_bounds): do not warn + about ADDR_EXPR's of ARRAY_REF's which are immediately + used in binary expressions. + +2007-01-21 Ira Rosen <irar@il.ibm.com> + + * tree-vectorizer.h (struct _stmt_vec_info): Add new field + read_write_dep and macros for its access. + * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field. + * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove + argument, call vect_check_interleaving for every independent pair of + data-refs. Mark loads that access the same memory location as a store + in the loop. + (vect_check_dependences): Remove. + (vect_analyze_data_ref_dependences): Remove vect_check_dependences + call, fix the call to vect_analyze_data_ref_dependence. + (vect_analyze_data_ref_access): For statements that access the same + data-ref, check that they are not stores; for loads, check that there + is no store that access the same location. + +2007-01-20 Roger Sayle <roger@eyesopen.com> + Joseph Myers <joseph@codesourcery.com> + + * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox. + (-fdump-rtl-stack): Likewise. + (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo. + (-mcheck-zero-division, -mcpu): Fix under/overfull hbox. + (-mpt-fixed): Use @minus{} for minus sign. + (Using Precompiled Headers): Fix under/overfull hbox. + +2007-01-20 Jan Hubicka <jh@suse.cz> + + * tree-flow.h (struct stmt_ann_d): Move references_memory to proper + place within annotation. + +2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (output_move_double): Change array size of xoperands to 4. + +2007-01-20 Jan Hubicka <jh@suse.cz> + + * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL + as temporary. + +2007-01-19 Ian Lance Taylor <iant@google.com> + + * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast + constant to unsigned HOST_WIDE_INT before negating. + +2007-01-19 Ian Lance Taylor <iant@google.com> + + * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field + to unsigned. + (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison. + (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise. + (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise. + (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise. + (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise. + (realloc_vdef, realloc_vuse): Change second parameter to + unsigned. + (ssa_operand_iterator_d): Change vuse_index and mayuse_index + fields to unsigned. + * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to + unsigned. Change x and lim locals to unsigned. + (realloc_vdef, realloc_vuse): Change num_elem parameter to + unsigned. + (finalize_ssa_vuse_ops): Change old_i local to unsigned. + (copy_virtual_operands): Change i and n locals to unsigned. + +2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR middle-end/29335 + * builtins.c (fold_builtin_1): Handle builtin fdim. + +2007-01-20 Jan Hubicka <jh@suse.cz> + + * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars. + * tree-ssa-structalias.c (compute_points_to_sets): Do call + init_alias_heapvars. + (init_alias_heapvars): Initialize only when not already initialized. + (delete_alias_heapvars): Set heapvar_for_stmt to NULL. + +2007-01-19 Roger Sayle <roger@eyesopen.com> + + * common.opt (fsigned-zeros): New command line option. + * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead + of flag_unsafe_math_optimizations. + * opts.c (set_fast_math_flags): The -ffast-math command line option + implies -fno-signed-zeros. + (fast_math_flags_set_p): Likewise. + + * doc/invoke.texi: Document new -fno-signed-zeros option, and update + the documentation of -ffast-math appropriately. Wrap long lines. + +2007-01-19 Steve Ellcey <sje@cup.hp.com> + + * system.h (ASM_MAKE_LABEL_LINKONCE): Poison. + * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef. + +2007-01-19 Tomas Bily <tbily@suse.cz> + + * cgraphunit.c (cgraph_finalize_function): Updating of pid + * tree-profile.c: + (tree_init_ic_make_global_vars): New function + (tree_init_edge_profiler): call of tree_init_ic_make_global_vars + (tree_gen_ic_profiler): New function + (tree_gen_ic_func_profiler): New function + (tree_profiling): Added calling of tree_gen_ic_func_profiler + (tree_profile_hooks): Added hook for indirec/virtual calls + * value-prof.c (tree_find_values_to_profile): New case for + indirect calls + (tree_values_to_profile): Call for determining indirect/virtual + counters + (tree_indirect_call_to_profile): New function + (tree_ic_transform): New function + (tree_ic): New function + (find_func_by_pid): New function + (init_pid_map): New function + (tree_value_profile_transformations): Added check for + indirect/virtual call transformation + * value-prof.h (enum hist_type): New counter type for + indirect/virtual calls + (profile_hooks): Added new hook for profiling indirect/virtual + calls + * profile.c (instrument_values): New case for indirect/virtual + call added + * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6 + (GCOV_COUNTER_V_INDIR): New counter type + (GCOV_COUNTER_NAMES): New name of counter "indirect" added + (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual + call added + * cgraph.c: Definition of cgraph_max_pid + (cgraph_create_node): Default init of pid attribute + * cgraph.h: Declaration of cgraph_max_pid + (struct cgraph_node): Added pid attribute + * libgcov.c (__gcov_indirect_call_profiler): New function + (__gcov_one_value_profiler_body): New function + (__gcov_one_value_profiler): Body was moved to + __gcov_one_value_profiler_body and calls it + +2007-01-19 Basile Starynkevitch <basile@starynkevitch.net> + + * doc/gty.texi (Options): Document the mark_hook option to GTY. + * gengtype.c (write_types_data, write_func_for_structure, + write_types, ggc_wtd, pch_wtd): Add skip_hooks to + write_types_data, ggc_wtd, pch_wtd for processing mark_hook. + (walk_type, write_func_for_structure): Generate the mark_hook if + needed. + +2007-01-19 Jan Hubicka <jh@suse.cz> + + * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of + 'early' argument take inlining mode argument specifying whether to + inline for size/speeed or all functions; add support for flattening; + improve dumpting. + (cgraph_early_inlining): Update call of decide_inlining_incrementally. + +2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c++/17947 + * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print + the name of the declared identifier. + +2007-01-19 Dirk Mueller <dmueller@suse.de> + + * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store + result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid + duplicate evaluation. + +2007-01-19 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2. + Macroize expander using X87MODEF12 mode macro. Extend operand 1 + to XFMode, use acosxf2 and truncate result to requested mode. + Use SSE_FLOAT_MODE_P to disable patterns for SSE math. + (asin<mode>2): Similarly, with asin expanders. + (*fscalexf4_i387): Rename from *fscalexf4. + (expNcorexf3): New expander. + (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander. + (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using + X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and + truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable + patterns for SSE math. + (exp10<mode>2): Similarly, with exp10 expanders. + (exp2<mode>2): Similarly, with exp2 expanders. + (expm1<mode>2): Similarly, with expm1 expanders. + (ldexp<mode>3): Similarly, with ldexp expanders. + (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2): + Use gen_truncxf<mode>2_i387_noop to truncate result. + +2007-01-19 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32 + for ColdFire targets. + +2007-01-19 Nathan Sidwell <nathan@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro. + (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM. + (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME. + * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override. + (M68K_STATIC_CHAIN_REG_NAME): Likewise. + * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise. + +2007-01-19 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.md (adddi_dilshr32): Rename to... + (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out + non-canonical pattern. Restrict to !TARGET_COLDFIRE. + (*adddi_dilshr32_cf): New pattern. + (adddi3, subdi3): Remove first alternatives. + +2007-01-19 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.c (notice_update_cc): If an SFmode move is + implemented using move.l, do not use its cc result for floating-point + comparisons. + +2007-01-19 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint + from accepting 's' constraints if flag_pic. + +2007-01-19 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt) + (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev) + (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change + condition from TARGET_68881 to TARGET_HARD_FLOAT. + +2007-01-19 Sandra Loosemore <sandra@codesourcery.com> + + * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add + ColdFire alternatives. + * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro. + * config/m68k/m68k.md (clzsi2): Define for ColdFire + architectures that support ff1 instruction. + +2007-01-19 Richard Sandiford <richard@codesourcery.com> + Julian Brown <julian@codesourcery.com> + + * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case. + * config/m68k/m68k.md (*movsi_cfv4): Fold into... + (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'. + Add commentary. + +2007-01-19 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT + and return a bool. + (output_move_const_into_data_reg, output_move_simode_const): Delete. + * config/m68k/m68k.c (const_method, const_int_cost): Take a + HOST_WIDE_INT instead of an rtx. + (m68k_rtx_costs): Update call accordingly. + (output_move_const_into_data_reg): Likewise. Fix formatting. + (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx. + Return a bool. + (output_move_simode_const): Update calls after above changes. + Rework to use automatic variables and predicates like MEM_P. + * config/m68k/m68k.md (pushexthisi_const): Update call to + valid_mov3q_const. + +2007-01-19 Dirk Mueller <dmueller@suse.de> + + * tree-ssa-alias.c (perform_var_substitution): Fix typo + in dump_flags test. + +2007-01-19 Richard Guenther <rguenther@suse.de> + + * builtins.c (expand_builtin_cexpi): Fall back to expanding + via cexp in case sincos is not available. + +2007-01-19 Richard Guenther <rguenther@suse.de> + + * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro. + * defaults.h (TARGET_HAS_SINCOS): Default to off. + * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc. + * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise. + * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise. + * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise. + * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise. + * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise. + +2007-01-19 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387): + New insn patterns. + (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns. + (atan2xf3): Directly generate RTL pattern. + (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn + patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387 + and truncate result to requested mode. Use SSE_FLOAT_MODE_P to + disable patterns for SSE math. + (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn + patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387 + and truncate result to requested mode. Use SSE_FLOAT_MODE_P to + disable patterns for SSE math. + +2007-01-19 Alexandre Oliva <aoliva@redhat.com> + + * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0. + +2007-01-18 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a + VIEW_CONVERT_EXPR to the same type as it's operand. + +2007-01-18 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if + configured for long double 128. + +2007-01-18 Mike Stump <mrs@apple.com> + + * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build + error. + +2007-01-18 Michael Meissner <michael.meissner@amd.com> + + * config/i386/i386.c (ix86_compute_frame_layout): Make fprintf's + in #if 0 code type correct. + +2007-01-18 Jan Hubicka <jh@suse.cz> + + * tree-ssa-operands.c (vop_free_bucket_size): Never return value + greater than NUM_VOP_FREE_BUCKETS. + +2007-01-18 Daniel Berlin <dberlin@dberlin.org> + + * tree-ssa-structalias.c: Update comments. + (ptabitmap_obstack): Removed. + (pta_obstack): New. + (oldpta_obstack): Ditto. + (stats): Add a few members. + (struct variable_info): Remove node, complex, address_taken, and + indirect_target members. Add oldsolution member. + (new_var_info): Do not initialize removed members. + (constraint_expr_type): Remove INCLUDES. + (constraint_graph): Add size, implicit_preds, rep, + indirect_cycles, eq_rep, label, direct_nodes, and complex members. + (FIRST_REF_NODE): New macro. + (LAST_REF_NODE): Ditto. + (FIRST_ADDR_NODE): Ditto. + (find): New function. + (unite): Ditto. + (dump_constraint): Do not handle INCLUDES. + (insert_into_complex): Do not insert duplicate constraints. + (condense_varmap_nodes): Renamed and rewritten into ... + (merge_node_constraints): This. Also fix bug in handling of + offseted copy constraints. + (clear_edges_for_node): No longer need to deal with preds at all, + or removing associated preds/succs. + (merge_graph_nodes): Deal with indirect_cycles. + Don't deal with predecessors. + (add_implicit_graph_edge): New function. + (add_pred_graph_edge): Ditto. + (add_graph_edge): Don't deal with predecessors. + (build_constraint_graph): Removed. + (build_pred_graph): New function. + (build_succ_graph): Ditto. + (struct scc_info): Removed in_component. Added roots, dfs, and + node_mapping. Remove visited_index, unification_queue. + (scc_visit): Deal with union-find we do now. + Deal with cycles with REF nodes. + (collapse_nodes): Renamed and rewritten to ... + (unify_nodes): This. + (process_unification_queue): Removed. + (topo_visit): Cleanup + (do_da_constraint): Use find. + (do_sd_constraint): Ditto. + (do_ds_constraint): Ditto. + (do_complex_constraint): Ditto. + (init_scc_info): Update for removed and added members. + (find_and_collapse_graph_cycles): Renamed and rewritten into ... + (find_indirect_cycles): This. + (equivalence_class): New variable. + (label_visit): New function. + (perform_variable_substitution): Rewritten. + (free_var_substitution_info): New function. + (find_equivalent_node): Ditto. + (move_complex_constraints): Ditto. + (eliminate_indirect_cycles): Ditto. + (solve_graph): Only propagate changed bits. + Use indirect cycle elimination. + Use find. + (tree_id_t): Rename to tree_vi_t, delete id member, add vi member. + (tree_id_eq): Renamed to ... + (tree_vi_eq): This. Update for member change + (insert_id_for_tree): Renamed and rewritten to ... + (insert_vi_for_tree): This. + (lookup_id_for_tree): Renamed and rewritten to ... + (lookup_vi_for_tree): This. + (get_id_for_tree): Renamed and rewritten to ... + (get_vi_for_tree): Ditto. + (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree. + (process_constraint): Don't handle INCLUDES. + Remove special ADDRESSOF case. + (find_func_aliases): Rewrite to use vi functions instead of id + ones. + (create_function_info_for): Ditto. + (create_variable_info_for): Ditto. + (intra_create_variable_infos): Ditto. + (merge_smts_into): Ditto. + (find_what_p_points_to): Ditto. + (init_base_vars): Ditto. + (init_alias_vars): Ditto. + (remove_preds_and_fake_succs): New function. + (dump_sa_points_to_info): Dump new stats. + (dump_solution_for_var): Use find. + (set_used_smts): Fix formatting. + (compute_points_to_sets): Updated for new functions. + (ipa_pta_execute): Ditto. + +2007-01-18 Kazu Hirata <kazu@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of + parallels. + * calls.c (expand_call): If the return value is a PARALLEL, + extract its first member. + * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove. + * config/m68k/m68k.c (m68k_output_function_epilogue): Don't + use FUNCTION_EXTRA_EPILOGUE. + (m68k_function_value): Return a PARALLEL if the return value + is of a pointer type. + * config/m68k/netbsd-elf.h (current_function_returns_pointer) + (FUNCTION_EXTRA_EPILOGUE): Remove. + * config/m68k/m68k.md (D0_REG): New constant. + +2007-01-18 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k.c (m68k_output_function_epilogue): Don't + output a NOP for empty epilogues. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.c (m68k_use_return_insn): Update comments + before function. Extend register save check to include all + registers, not just integer ones. + +2007-01-18 Kazu Hirata <kazu@codesourcery.com> + + * config/m68k/m68k-protos.h (use_return_insn): Rename to... + (m68k_use_return_insn): ...this. + * config/m68k/m68k.h (USE_RETURN_INSN): Delete. + * config/m68k/m68k.c (use_return_insn): Rename to... + (m68k_use_return_insn): ...this. + * config/m68k/m68k.md (return): Use m68k_use_return_insn instead + of USE_RETURN_INSN. + +2007-01-18 Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to + nearest even, fix denormal rounding overflow. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of + f%$smove and f%$move. + (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1. + (extendsfdf2_cf): Use fdmove instead of f%&move. + (truncdfsf2_cf): Use fsmove instead of f%$smove. + (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for + GPR<-GPR moves. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + + * real.h (real_format): Add a canonical_nan_lsbs_set field. + (coldfire_single_format): Declare. + (coldfire_double_format): Likewise. + * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead + of qnan_msb_set to determine the lower bits of a canonical + NaN significand. + (encode_ieee_double): Likewise. + (encode_ieee_quad): Likewise. + (ieee_single_format): Initialize canonical_nan_lsbs_set. + (mips_single_format): Likewise. + (ieee_double_format): Likewise. + (mips_double_format): Likewise. + (ieee_extended_motorola_format): Likewise. + (ieee_extended_intel_96_format): Likewise. + (ieee_extended_intel_128_format): Likewise. + (ieee_extended_intel_96_round_53_format): Likewise. + (ibm_extended_format): Likewise. + (mips_extended_format): Likewise. + (ieee_quad_format): Likewise. + (mips_quad_format): Likewise. + (vax_f_format): Likewise. + (vax_d_format): Likewise. + (vax_g_format): Likewise. + (i370_single_format): Likewise. + (i370_double_format): Likewise. + (decimal_single_format): Likewise. + (decimal_double_format): Likewise. + (decimal_quad_format): Likewise. + (c4x_single_format): Likewise. + (c4x_extended_format): Likewise. + (real_internal_format): Likewise. + (coldfire_single_format): New real_format. + (coldfire_double_format): Likewise. + * config/pdp11/pdp11.c (pdp11_f_format): Initialize + canonical_nan_lsbs_set. + (pdp11_d_format): Likewise. + * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE + if TARGET_COLDFIRE_CPU. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete. + (output_call, m68k_legitimize_call_address): Declare. + * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary + parenthesees. Add support for a 'W' constraint. + (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling. + (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'. + (m68k_symbolic_call, m68k_symbolic_jump): Declare. + * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New + variables. + (override_options): Initialize them. Do not set flag_no_function_cse + for TARGET_ID_SHARED_LIBRARY. + (m68k_output_pic_call): Delete. + (m68k_legitimize_call_address): New function. + (print_operand): Remove the %o prefix. Handle the %p prefix. + (output_call): New function. + (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the + target address from the GOT if symbolic jumps are not allowed. + * config/m68k/m68k.md (call, general_operand): Do not set + SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead. + Merge separate flag_pic and !flag_pic define_insns into... + (*call, *call_value): ...these new patterns. Match the address + rather than the containing MEM and require it to be a call_operand. + Use output_call to generate the asm template. + * config/m68k/predicates.md (const_call_operand): New predicate. + (call_operand): Likewise. + +2007-01-18 Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition. + (STACK_GROWS_DOWNWARD): Define to 1. + (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate + comments, emphasizing that these values are only defaults. + * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef. + * config/m68k/m68k.c (const_method): Remove trailing whitespace. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling. + +2007-01-18 Kazu Hirata <kazu@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P) + (FP_REGNO_P): New macros. + (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P) + (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them. + (EH_RETURN_STACKADJ_RTX): Use A0_REG. + * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros. + +2007-01-18 Nathan Sidwell <nathan@codesourcery.com> + + * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*) + (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib + to $tmake_file. + * config/m68k/t-floatlib: New file, extracting common code from... + * config/m68k/t-m68kbare, config/m68k/t-m68kelf, + * config/m68k/t-uclinux: Here. + * config/m68k/fpgnulib.c: Do not compile extendeed precision + routines on ColdFire targets. + +2007-01-18 Nathan Sidwell <nathan@codesourcery.com> + + * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*) + (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*) + (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*) + (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and + explicitly set MOTOROLA to 1. + * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete. + (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases. + * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete. + * config/m68k/m68020-elf.h (LIB_SPEC): Delete. + * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete. + * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD) + (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete. + (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine. + (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete. + * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine. + * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE) + (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete. + (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here. + (DBX_REGISTER_NUMBER): Delete. + * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete. + (PCC_STATIC_STRUCT_RETURN): Don't undefine. + * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file. + * config/flat.h: New file. + * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if + OBJECT_FORMAT_FLAT. + * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use + indirect references for -msep-data or -mid-shared-library. + Do not use PC-relative code addresses either. + * config/m68k/m68k.c (override_options): Restrict -fPIC error + to -mpcrel. + * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o + for shared libraries and crt1.o for executables. Use crti.o and + crtbegin.o. + (ENDFILE_SPEC): Use crtend.o and crtn.o. + (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given. + Do not add -elf2flt or -shared-lib-id options here. + (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given. + Pass -shared-lib-id if -mid-shared-library, taking the library + identifier from -mshared-library-id if given, otherwise + defaulting to 0. + (EH_FRAME_IN_DATA_SECTION): Do not undefine. + (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise. + (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0 + and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library. + (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data. + * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o + and crtend.o. + * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative + jump sequence for ISA A and ISA A+. + (PICJUMP): Likewise. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (m68k-*-uclinux*): Base the port on the common + and m68k GNU/Linux files rather than on the generic ELF ones. + * config/m68k/uclinux.h (TARGET_VERSION): Override. + (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS. + +2007-01-18 Julian Brown <julian@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire. + (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise. + * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine + before redefining. + * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to + 80 unconditionally. + (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise. + +2007-01-18 Richard Sandiford <richard@codesourcery.com> + + * doc/install.texi: Document m68k-uclinuxoldabi. + * config.gcc (m68k-*-uclinuxoldabi): New configuration. + * config/m68k/uclinux-oldabi.h: New file, copied from + config/m68k/uclinux.h. + +2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it. + * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem. + (m32r_compute_frame_size): Use unsigned for regno. + (m32r_reload_lr): Use gen_frame_mem. + (pop): New. + (m32r_output_function_epilogue): Don't output the function epilogue + textually here. + (m32r_expand_epilogue): New. + (direct_return): Return false if the function has the interrupt + attribute. + (m32r_hard_regno_rename_ok): Remove code for the textual epilogue. + * config/m32r/m32r.md (epilogue): New expander. + (return_lr, return_rte): New insns. + (return): Make it expander. + (return_normal): New expander. + +2007-01-18 Josh Conner <jconner@apple.com> + + PR target/30485 + * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add + support for UNLE, UNLT, UNGE, and UNGT. + +2007-01-18 Jan Hubicka <jh@suse.cz> + + * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand. + * tree-tailcall (add_virtual_phis): Likewise. + (optimize_tail_call): Return TODOs. + (execute_tail_calls): Return TODOs. + * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO. + * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something + changed. + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value): + Cleanup cfg using TODO. + * tree-flow.h (cleanup_tree_cfg_loop): Update prototype. + * passes.c (execute_function_todo): When cleanup did something, remove + unused locals. + * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO. + (make_edges): Don't cleanup_cfg. + +2007-01-18 Uros Bizjak <ubizjak@gmail.com> + + * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS, + UNSPEC_XTRACT_FRACT]: Use generic code for instructions that + operate on the top of stack. + [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite + register handling of instructions that output to the second + stack slot. + [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove. + (move_for_stack_reg): Special-case check for dead destination + stack slot for constant load of 1.0 inside UNSPEC_TAN. + + * config/i386/i386.md (UNSPEC_TAN): New constant. + (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove. + (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns + to correctly model move of constant 1.0 to top stack slot. + (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns. + (unnamed peephole2 pattern): Remove corresponding peephole2 + pattern that optimizes tan insn and loading of constant 1.0. + (tanxf2): Use fptanxf4_i387. + (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn + patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387 + and truncate result to requested mode. Use SSE_FLOAT_MODE_P to + disable patterns for SSE math. + (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation. + (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1. + +2007-01-18 Dirk Mueller <dmueller@suse.de> + Richard Guenther <rguenther@suse.de> + + PR diagnostic/8268 + * doc/invoke.texi (Warray-bounds): Document -Warray-bounds. + * common.opt (Warray-bounds): Add new warning option. + * c-opts.c (c_common_handle_option): Define -Warray-bounds + if -Wall is given. + * Makefile.in: make tree-vrp.o depend on toplev.h + * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds + is enabled. + (check_array_refs, check_array_bounds, check_array_ref): New. + +2007-01-18 Jan Hubicka <jh@suse.cz> + + * tree-ssa-ccp.c (ccp_finalize): Return if something changed. + (execute_ssa_ccp): Return flags conditionally. + * tree-ssa-propagate.c (substitue_and_fold): Return if something was + changed. + * tree-ssa-propagate.h (substitute_and_fold): Update prototype. + +2007-01-18 Steven Bosscher <steven@gcc.gnu.org> + + * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set + the CLEANUP_CFGLAYOUT flag when in cfglayout mode. + + * Makefile.c (GTFILES): Add cfglayout.h. + * gengtype.c (open_base_files): Likewise. + * cfglayout.c (cfg_layout_function_footer, + cfg_layout_function_header) Reindent to make gengtype happy. + * cfglayout.h (cfg_layout_function_footer, + cfg_layout_function_header): Add GTY(()) marker. + + * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null. + +2007-01-18 Ben Elliston <bje@au.ibm.com> + + * genautomata.c (write_automata): Include xstrerror output in the + error message if writing the DFA description file fails. + +2007-01-17 H.J. Lu <hongjiu.lu@intel.com> + + * config/mips/mips-protos.h (mips_output_external): Make it + return void. + * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed. + * config/mips/mips.c (irix_output_external_libcall): Likewise. + (extern_list): Likewise. + (extern_head): Likewise. + (TARGET_ASM_FILE_END): Likewise. + (mips_file_end): Likewise. + (mips_output_external): Rewritten. + +2007-01-18 Ben Elliston <bje@au.ibm.com> + + * genpreds.c (write_insn_preds_c): Only write out the function + body for regclass_for_constraint if we have register constraints. + +2007-01-17 Tom Tromey <tromey@redhat.com> + + * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org. + * doc/install.texi (Testing): Use sourceware.org. + (Binaries): Likewise. + (Specific): Likewise. + * doc/contrib.texi (Contributors): Use sourceware.org. + +2007-01-17 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.h (AVR_HAVE_LPMX): New macro. + (AVR_ENHANCED): Rename to ... + (AVR_HAVE_MUL): ... new. + (avr_enhanced_p): Rename to ... + (avr_have_mul_p): ... new. + (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of + 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__". + * config/avr/avr.c (avr_enhanced_p): Rename to ... + (avr_have_mul_p): ... new. + (base_arch_s): Rename 'enhanced' to 'have_mul'. + (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of + 'avr_enhanced_p' and 'enhanced'. + (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use + AVR_HAVE_MUL instead of AVR_ENHANCED. + * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED. + (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, + *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL + instead of AVR_ENHANCED. + (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED. + * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__. + (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__. + +2007-01-17 Ian Lance Taylor <iant@google.com> + + * vec.h (VEC_reserve_exact): Define. + (vec_gc_p_reserve_exact): Declare. + (vec_gc_o_reserve_exact): Declare. + (vec_heap_p_reserve_exact): Declare. + (vec_heap_o_reserve_exact): Declare. + (VEC_OP (T,A,reserve_exact)): New static inline function, three + versions. + (VEC_OP (T,A,reserve)) [all versions]: Remove handling of + negative parameter. + (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact. + (VEC_OP (T,A,copy)) [all versions]: Likewise. + (VEC_OP (T,a,safe_grow)) [all versions]: Likewise. + * vec.c (calculate_allocation): Add exact parameter. Change all + callers. + (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve. + (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1. + (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions. + (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve. + (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1. + (vec_heap_p_reserve_exact): New function. + (vec_heap_o_reserve_exact): New function. + +2007-01-17 Jan Hubicka <jh@suse.cz> + + * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p. + +2007-01-17 Eric Christopher <echristo@apple.com> + + * config.gcc: Support core2 processor. + +2007-01-16 Jan Hubicka <jh@suse.cz> + + * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing + the names, just unlink the chain so we don't crash on dangling + pointers + to dead SSA names. + +2007-01-16 Jan Hubicka <jh@suse.cz> + + * cgraph.h (cgraph_decide_inlining_incrementally): Kill. + * tree-pass.h: Reorder to make IPA passes appear toegher. + (pass_early_inline, pass_inline_parameters, pass_apply_inline): + Declare. + * cgraphunit.c (cgraph_finalize_function): Do not compute inling + parameters, do not call early inliner. + * ipa-inline.c: Update comments. Include tree-flow.h + (cgraph_decide_inlining): Do not compute inlining parameters. + (cgraph_decide_inlining_incrementally): Return TODOs; assume to + be called with function context set up. + (pass_ipa_inline): Remove unreachable functions before pass. + (cgraph_early_inlining): Simplify assuming to be called from the + PM as local pass. + (pass_early_inline): New pass. + (cgraph_gate_ipa_early_inlining): New gate. + (pass_ipa_early_inline): Turn into simple wrapper. + (compute_inline_parameters): New function. + (gate_inline_passes): New gate. + (pass_inline_parameters): New pass. + (apply_inline): Move here from tree-optimize.c + (pass_apply_inline): New pass. + * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after + transforming. + * tree-inline.c (optimize_inline_calls): Return TODOs rather than + doing them by hand. + (tree_function_versioning): Do not allocate dummy struct function. + * tree-inline.h (optimize_inline_calls): Update prototype. + * tree-optimize.c (execute_fixup_cfg): Export. + (pass_fixup_cfg): Remove + (tree_rest_of_compilation): Do not apply inlines. + * tree-flow.h (execute_fixup_cfg): Declare. + * Makefile.in (gt-passes.c): New. + * passes.c: Include gt-passes.h + (init_optimization_passes): New passes. + (nnodes, order): New static vars. + (do_per_function_toporder): New function. + (execute_one_pass): Dump current pass here. + (execute_ipa_pass_list): Don't dump current pass here. + +2007-01-16 Janis Johnson <janis187@us.ibm.com> + + * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN. + (DFP_NE, DFP_LE, DFP_GE): Return false for NaN. + +2007-01-16 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT. + (strong_alias): Define. + (__gcc_qmul): Provide non-FMA for soft-float. + (__gcc_qdiv): Same. + (__gcc_qneg): New. + (__gcc_qeq): New. + (__gcc_qle): New. + (__gcc_qge): New. + (__gcc_qunord): New. + (__gcc_stoq): New. + (__gcc_dtoq): New. + (__gcc_qtos): New. + (__gcc_qtod): New. + (__gcc_qtoi): New. + (__gcc_qtou): New. + (__gcc_itoq): New. + (__gcc_utoq): New. + (fmsub): New. + * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize + soft-float functions. + * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols. + * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn + about long double soft float. + +2007-01-16 Dorit Nuzman <dorit@il.ibm.com> + Tehila Meyzels <tehila@il.ibm.com> + + * tree-vectorizer.h (is_pattern_stmt_p): New. + * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix + formatting (tabs instead of spaces). Cleanup and clarify setting + of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p. + * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo. + (vectorizable_type_demotion): Check that types are integral. + (vectorizable_type_promotion): Likewise. + (vectorizable_store): Fix typo. Eliminate new-line at end of + comments. + +2007-01-16 Jan Hubicka <jh@suse.cz> + + * tree-ssanames.c (release_dead_ssa_names): Remove invalidated + cgraph edges too. + +2007-01-15 Eric Christopher <echristo@apple.com> + + * ifcvt.c: Include vec.h, vecprim.h. + (check_cond_move_block): New argument regs. + Reorganize. Add registers used to regs. + (cond_move_process_if_block): Use regs set above as + loop bounds. + +2007-01-15 Eric Christopher <echristo@apple.com> + + * config/darwin.h: Update copyright. + (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella. + (LINK_COMMAND_SPEC): Add -u. + (LINK_SPEC): Fix umbrella for above. + +2007-01-15 Joseph S. Myers <joseph@codesourcery.com> + + * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from + glibc CVS. + +2007-01-15 Tom Tromey <tromey@redhat.com> + + * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks. + * doc/install.texi (Testing): Don't mention jacks. + (Configuration): Document --enable-java-maintainer-mode. Move + --with-java-home to libgcj-specific section. Document + --with-ecj-jar. + (Prerequisites): Mention --enable-java-maintainer-mode, ecj1. + +2007-01-15 Jan Hubicka <jh@suse.cz> + + * tree-ssa-dce.c (DCE_TODOs): New. + (propagate_necessity): Return if something changed. + (eliminate_unnecessary_stmts): Likewise. + (perform_tree_ssa_dce): Return TODO flags when needed. + (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags. + +2007-01-15 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3. + (fyl2x_extend<mode>xf3_i387): New insn pattern. + (log<mode>2): Rename from logsf2 and logdf2 and macroize insn + patterns using X87MODEF12 mode macro. Extend operand 1 + to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math. + (log10<mode>2): Ditto. + (log2<mode>2): Ditto. + (log1p<mode>2): Ditto. + (logb<mode>2): Ditto. + (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3. + (fyl2xp1_extend<mode>xf3_i387): New insn pattern. + (*fxtractxf3_i387): Rename from *fxtractxf3. + (fxtract_extend<mode>xf3_i387): New insn pattern. + (ilogbsi2): Use match_dup 3, not match_operand:XF 3. + * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387() + and gen_fyl2xxf3_i387(). + +2007-01-14 Zdenek Dvorak <dvorakz@suse.cz> + + * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement. + * cfgloopmanip.c (fix_loop_placement): Made static. Use + get_loop_exit_edges. Changed return type to bool. + * cfgloop.h (fix_loop_placement): Declaration removed. + +2007-01-14 Dorit Nuzman <dorit@il.ibm.com> + + * param.h (MIN_VECT_LOOP_BOUND): New. + * params.def (MIN_VECT_LOOP_BOUND): New. + * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another + argument - minimum threshold for number of iterations. + * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another + argument to declaration. + * tree-vect-analyze.c (vect_analyze_operations): Check value of + MIN_VECT_LOOP_BOUND. + * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call + slpeel_tree_peel_loop_to_edge with additional argument. + (vect_do_peeling_for_alignment): Likewise. + * doc/invoke.texi (min-vect-loop-bound): Document new param option. + +2007-01-14 Uros Bizjak <ubizjak@gmail.com> + + PR target/30413 + * config/i386/i386.c (print_operand) ['z']: Output 'b' for + operands of size 1. + +2007-01-14 Jan Hubicka <jh@suse.cz> + + * tree-dfa.c (remove_referenced_var): New function. + * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and + prune referenced vars list too. + * tree-flow.h (remove_referenced_var): Declare. + +2007-01-14 Jan Hubicka <jh@suse.cz> + + * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs + separately. + (remove_stmt_from_eh_region_fn): Do not remove call_exprs. + (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill. + * except.h (verify_eh_throw_table_statements): Kill prototype. + * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions + into call exrepssions. + * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call + eh trhow verifier. + * tree-cfg.c: Include pointer-set.h. + (verify_node_sharing): Work on pointer set. + (verify_eh_throw_stmt_node): New. + (verify_stmts): Use pointers sets, verify throw_stmt. + +2007-01-13 Zdenek Dvorak <dvorakz@suse.cz> + + * ipa-reference.c (analyze_function): Consider also addresses taken + in phi nodes. + +2007-01-12 Roger Sayle <roger@eyesopen.com> + + * c-typeck.c (null_pointer_constant_p): Replace use of + TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW. + (build_c_cast): Likewise. + +2007-01-12 Roger Sayle <roger@eyesopen.com> + + * tree.h (force_fit_type_double): Remove unused final argument. + * c-common.c (constant_expression_warning): Replace use of + TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW. + (convert_and_check): Likewise. + (shorten_compare): Update call to force_fit_type_double. + (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop. + * convert.c (convert_to_pointer): Update call to + force_fit_type_double. + * fold-const.c (force_fit_type_double): Remove overflowed_const + argument. + (int_const_binop, fold_convert_const_int_from_int, + fold_convert_const_int_from_real, fold_div_compare, + fold_sign_changed_comparison, fold_unary, fold_negate_const, + fold_abs_const, fold_not_const): Remove the final argument from + calls to force_fit_type_double. + +2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * configure.ac: Set insn to "nop" for spu-*-* also. + * configure: Regenerate. + +2007-01-12 Olga Golovanevsky <olga@il.ibm.com> + + * builtins.def : Add BUILT_IN_FREE. + +2007-01-12 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/30443 + * tree-inline.c (tree_function_versioning): Do not optimize when + cloning for inlining. + +2007-01-12 Zdenek Dvorak <dvorakz@suse.cz> + + * doc/loop.texi: Document recording of loop exits. + * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop. + (update_single_exits_after_duplication, + update_single_exit_for_duplicated_loop, + update_single_exit_for_duplicated_loops): Removed. + (duplicate_loop_to_header_edge): Do not call + update_single_exits_after_duplication and + update_single_exit_for_duplicated_loops. + (loop_version): Do not update single_exit information. + (fix_loop_structure): Use record_loop_exits instead of + mark_single_exit_loops. + * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update + the lists of loop exits. + * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force, + split_edge, merge_blocks): Update the lists of loop exits. + * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to + loop_optimizer_init. + * loop-init.c (loop_optimizer_init): Call record_loop_exits instead + of mark_single_exit_loops. + (loop_optimizer_finalize): Call release_recorded_exits. + * tree-ssa-loop.c (tree_loop_optimizer_init): Pass + LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init. + * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not + update single exit information. + * lambda-code.c (perfect_nestify): Ditto. + * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop. + (mark_single_exit_loops): Removed. + (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free, + get_exit_descriptions, rescan_loop_exit, record_loop_exits, + dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New + functions. + (get_loop_exit_edges, single_exit): Use recorded exit lists. + (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits. + (verify_loop_structure): Verify consistency of the exit lists. + (flow_loops_find): Use alloc_loop. Initialize exits hash. + (set_single_exit): Removed. + * cfgloop.h (struct loop_exit): New function. + (struct loop): single_exit_ field replaced by exits field. + (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by + LOOPS_HAVE_RECORDED_EXITS. + (struct loops): Added exits hash. + (mark_single_exit_loops, set_single_exit): Declaration removed. + (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare. + +2007-01-12 Richard Sandiford <richard@codesourcery.com> + + * doc/invoke.texi: Avoid use of @headitem. + +2007-01-12 Richard Sandiford <richard@codesourcery.com> + + * cse.c (cse_insn): Move HAVE_CC0 code after declarations. + +2007-01-12 Richard Sandiford <richard@codesourcery.com> + + * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the + list of targets. + +2007-01-12 Nathan Sidwell <nathan@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short. + * config/m68k/m68k.opt: Resort options. + (mbitfield, mrtd, mshort): Remove RejectNegative properties. + +2007-01-12 Nathan Sidwell <nathan@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * doc/invoke.texi: Document the macros that are defined by + m68k's -mtune and -mhard-float options. + * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare. + (m68k_cpp_cpu_family): Likewise. + * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set + of __ucfv*__ macros. Define __mcffpu__ if generating code for + ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros. + * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function. + (m68k_cpp_cpu_family): Likewise. + +2007-01-12 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68* + macros besides mc68000 as tuning macros. Use a switch statement + to set them and mcpu32. + +2007-01-12 Julian Brown <julian@codesourcery.com> + + * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY. + (TARGET_68040_ONLY): Rename to... + (TARGET_68040): ...this. + * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY. + * config/m68k/m68k.md: Likewise. + +2007-01-12 Julian Brown <julian@codesourcery.com> + Nathan Sidwell <nathan@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to + the -mcpu= argument associated with the --with-cpu setting. + Define M68K_DEFAULT_TUNE to the default -mtune= option, + if different from the one implied by the -mcpu setting. + Accept --with-cpu=FOO if FOO is listed in m68k-devices.def, + using mcpu=FOO as the default CPU option. Set target_cpu_default2. + * doc/invoke.texi: Mention ColdFire in the introduction to the + m68k options. Document the new -march, -mcpu, -mtune, -mdiv, + -mno-div and -mhard-float options. Make -m68881 a synonym for + -mhard-float. Document the previously-undocumented -m5206e, + -m528x, -m5307 and -m5407 options. Tweak the existing option + documentation for consistency. + * doc/install.texi: Mention new --with-cpu arguments. + * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the + default CPU if neither -mcpu nor -march are specified. + (ASM_CPU_SPEC): Pass down -mcpu and -march options. + (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from + TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way, + using m68k_tune to decide between families that implement the + same ISA. Use m68k_tune to set __mcfv4e__. + (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC) + (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000) + (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B) + (FL_ISA_C, FL_ISA_MMU): New macros. + (MASK_COLDFIRE): Delete. + (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE) + (TARGET_ISAB): Redefine in terms of m68k_cpu_flags. + (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu. + (TARGET_HARD_FLOAT): Do not define here. + (TARGET_ISAAPLUS, TARGET_ISAC): New macros. + (TUNE_68000): New macro. + (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010. + (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32) + (TUNE_CFV2): Redefine in terms of m68k_tune. + (uarch_type, target_device, fpu_type): New enums. + (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare. + * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881. + (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40) + (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b) + (FL_FOR_isa_c): New macros. + (m68k_isa): New enum. + (m68k_target_selection): New structure. + (all_devices, all_isas, all_microarchs): New tables. + (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu) + (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables. + (MASK_ALL_CPU_BITS): Delete. + (m68k_find_selection): New function. + (m68k_handle_option): Handle -mcpu=, -march= and -mtune=. + Map the legacy target options to a combination of the new ones. + (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and + m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags + to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT + settings. + * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e) + (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask + properties. + (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT. + (march=, mcpu=, mdiv, mhard-float, mtune=): New options. + * config/m68k/m68k-devices.def: New file. + +2007-01-12 Richard Sandiford <richard@codesourcery.com> + Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS) + (SUBTARGET_EXTRA_SPECS): New macros. + * config/m68k/linux.h (ASM_SPEC): Remove CPU flags; + use %(asm_cpu_spec) instead. + * config/m68k/m68k-none.h (ASM_SPEC): Likewise. + * config/m68k/openbsd.h (ASM_SPEC): Likewise. + * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise. + (EXTRA_SPECS): Rename to... + (SUBTARGET_EXTRA_SPECS): ...this. + +2007-01-12 Nathan Sidwell <nathan@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + Julian Brown <julian@codesourcery.com> + + * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*) + (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu + to the configuration's default CPU. + (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise. + Remove default masks. + (m680[012]0-*-*): Set the default with_cpu to the first part of + the target name. + (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu. + (m68k*-*-linux): Extend the --with-cpu handling to... + (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000 + and m68010. Don't set target_cpu_default2. + * doc/install.texi: Document --with-cpu for m68k. + * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define. + * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k) + (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030) + (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT) + (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete. + (ASM_SPEC): Remove use of %(asm_cpu_default). + (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete. + * config/m68k/linux.h (TARGET_DEFAULT): Delete. + (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here. + * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define + __HAVE_FPU__ if TARGET_HARD_FLOAT. + (TARGET_DEFAULT): Delete. + (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec, + cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec. + (CPP_CPU_SPEC): Delete. + (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick + the appropriate string. + (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete. + (CPP_SPEC): Define to NETBSD_CPP_SPEC. + (ASM_SPEC): Don't use %(asm_default_spec). + * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove + TARGET_DEFAULT and add MASK_68881. + * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments. + +2007-01-12 Richard Sandiford <richard@codesourcery.com> + + * config.gcc (m68010-*-netbsdelf*): Add MASK_68010. + (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add + MASK_68010 alongside MASK_68020. + * doc/invoke.texi: Document -m68010. + * config/m68k/m68k.opt (m68010): New. + * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010 + if TUNE_68010. + (TUNE_68010): New macro. + * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010) + (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040) + (M68K_CPU_m68332): Add MASK_68010. + * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to + fallback definition. + * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant + defines. + * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010. + (m68k_handle_option): Handle OPT_m68010. Add MASK_68010 + to all entries that use MASK_68020. + (output_move_simode_const, output_move_himode, output_move_qimode) + (output_move_stricthi, output_move_strictqi): Use TARGET_68010 + instead of TARGET_68020 to select clr behavior. Remove comment + about there being no TARGET_68010. + * config/m68k/m68k.md: Likewise throughout. + +2007-01-12 Julian Brown <julian@codesourcery.com> + + * config/m68k/m68k.h (TARGET_ISAB): New macro. + * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4. + * config/m68k/m68k.md: Likewise. + +2007-01-12 Julian Brown <julian@codesourcery.com> + + * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use + TARGET_COLDFIRE_FPU instead of TARGET_CFV4E. + +2007-01-12 Julian Brown <julian@codesourcery.com> + + * config/m68k/m68k.h (TUNE_68040_60): New macro. + * config/m68k/m68k.c (standard_68881_constant_p): Use it. + * config/m68k/m68k.md: Likewise. + +2007-01-12 Julian Brown <julian@codesourcery.com> + Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030 + instead of TARGET_68030, TUNE_68040 instead of TARGET_68040, + TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of + TARGET_CPU32. + (TARGET_CPU32): Rename to... + (TUNE_CPU32): ...this. + (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060) + (TUNE_CFV2): New macros. + * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify; + remove conditions that are implied by TARGET_68020. + * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040 + instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32. + (m68k_output_function_epilogue): Likewise. + (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060 + and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of + "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and + non-68000 timings. Refactor multiplication and division costs. + (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and + TUNE_CPU32 instead of TARGET_CPU32. + (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040 + and TUNE_68060 instead of TARGET_68060. + * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040, + TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of + TARGET_CPU32. + (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020 + && !TARGET_COLDFIRE" to choose between moveq and clr. + Likewise in the unnamed movsf pattern. + (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than + "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed + ashiftrt pattern. + +2007-01-12 Richard Sandiford <richard@codesourcery.com> + + * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount + of tabbing before backslashes. + +2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine. + * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS. + (ASM_OUTPUT_INTERNAL_LABEL): Define. + +2007-01-11 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from + find_interesting_uses_cond. + (find_interesting_uses_cond): Use extract_cond_operands. + (rewrite_use_compare): Use extract_cond_operands and + force_gimple_operand_bsi. Do not call update_stmt. + (determine_use_iv_cost_condition): Use extract_cond_operands. + Return cheaper of using original bound and changing the exit bound. + +2007-01-11 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/29516 + * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts, + most_expensive_mult_to_index, addr_to_parts, + create_mem_ref, maybe_fold_tmr): Make the type of + fields of TARGET_MEM_REF sizetype. + (move_fixed_address_to_symbol, move_pointer_to_base): + New functions. + * tree.def (TARGET_MEM_REF): Add comment on types of + the operands. + +2007-01-11 Joseph Myers <joseph@codesourcery.com> + + * c-common.c (vector_types_convertible_p): Treat opaque types as + always convertible if they have the same size, but not otherwise. + +2007-01-11 Steven Bosscher <steven@gcc.gnu.org> + + * ifcvt.c (struct noce_if_info): Add comments to the fields. + Remove the b_unconditional field. + (noce_try_sign_mask): Do not look at b_unconditional. + (noce_process_if_block): Do not use merge_if_blocks. Update + the CFG here. Do not set b_unconditional. + (cond_move_process_if_block): Likewise. + (find_cond_trap): Likewise. + (check_cond_move_block): Require simple jump insns at the end + of the basic block. + +2007-01-11 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/1046 + * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE + when alias info is not ready. + (pass_tail_recursion): Do not require aliasing. + * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise. + * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise. + * tree-ssa-copy.c (pass_copy_prop): Likewise. + * tree-ssa-forwprop.c (pass_forwprop): Likewise. + * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise. + * passes.c (init_optimization_passes): Execute rename_ssa_copies, + ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion + before inlining. + * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand): + When aliasing is not build, mark statement as volatile. + +2007-01-11 Tom Tromey <tromey@redhat.com> + + PR preprocessor/15185 + PR preprocessor/20989 + * doc/cppopts.texi <-MT>: Update description of algorithm for + computing default target. + <-M, -MD>: Reword "basename" text. + +2007-01-11 Roger Sayle <roger@eyesopen.com> + + * builtins.c (expand_builtin_pow, expand_builtin_powi, + fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc, + fold_builtin_floor, fold_builtin_ceil, fold_builtin_round, + fold_builtin_int_int_roundingfn, fold_builtin_bitop, + fold_builtin_bswap, real_constp, fold_builtin_pow, + fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign, + do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace + uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW. + * convert.c (convert_to_pointer): Likewise. + * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise. + * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop, + const_binop, fold_convert_const_int_from_int, + fold_convert_const_int_from_real, + fold_convert_const_real_from_real, sign_bit_p, + optimize_minmax_comparison, extract_muldiv_1, fold_div_compare, + fold_sign_changed_comparison, fold_unary, fold_comparison, + fold_binary, multiple_of_p, tree_Expr_non_zero_p, + fold_negate_const, fold_abs_const, fold_not_const): Likewise. + * print-tree.c (print_node_brief, print_node): Likewise. + * stor-layout.c (place_field, layout_type): Likewise. + * tree-chrec.c (keep_cast): Likewise. + * tree.c (build_vector, build_real, build_real_from_int_cst, + build_complex): Likewise. + +2007-01-11 Roger Sayle <roger@eyesopen.com> + + * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being, + treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW. + +2007-01-11 Paolo Bonzini <bonzini@gnu.org> + + * configure.ac (strict1_warn): Rename to strict_warn. + (WERROR, --enable-werror, symlink hacks, stage1_cflags, + cc_set_by_configure, quoted_cc_set_by_configure, + stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure, + all_boot_languages, all_stagestuff): Remove. + (target_list): Remove bootstrap targets. + * Makefile.in (quickstrap): Unconditionally make a synonym of all. + (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING, + REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS, + SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF, + VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS, + STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build, + stage1_copy, stage2_build, stage2_copy, stageprofile_build, + stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build, + stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap, + bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3, + bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2, + unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2, + restage3, restage4, restageprofile, restagefeedback, bubbleestrap, + cleanstrap, unstrap, restrap, *compare, *compare3, *compare4, + *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1, + stage2-start, stage2, stage3-start, stage3, stage4-start, stage4, + stageprofile-start, stageprofile, stagefeedback-start, stagefeedback, + risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove. + (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS. + (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES. + (mostlyclean): Adjust. + (clean, distclean): Don't mention bootstrap stuff. + * configure: Regenerate. + * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in, + java/config-lang.in, objc/config-lang.in, objcp/config-lang.in, + treelang/config-lang.in (stagestuff): Remove. + * doc/sourcebuild.texi (stage1, stage2, stage3, stage4, + stageprofile, stagefeedback, stagestuff): Remove mention. + +2007-01-11 Nick Clifton <nickc@redhat.com> + + * config/mcore/predicates.md (mcore_general_movesrc_operand): + Accept CONSTs. + (mcore_general_movdst_operand): Do not accept CONST_INTs. + (mcore_arith_K_S_operand): Run the test for the S constraint not + the test for the M constraint. + (mcore_addsub_operand): Do not accept integer values that are + larger than 32 bits. + * config/mcore/mcore.md: Remove unused constraints from split. + (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL. + (addsi3): Likewise. + (allocate_stack): Likewise. + * config/mcore/mcore.c (mcore_print_operand): Restrict output of P + operands to 32 bits. + (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an + INTVAL. + (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore, + mcore_const_ok_for_inline, mcore_const_trick_uses_not, + try_constant_tricks, mcore_num_ones, mcore_num_zeros, + mcore_output_bclri, mcore_output_andn, output_inline_const, + mcore_output_move, mcore_output_movedouble): Likewise. + (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N. + (output_inline_const): Likewise. + (output_inline_const): Fix format strings used in sprintf + statements. + * config/mcore/mcore-protos.h: Update prototypes for changed + functions in mcore.c. + * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to + HOST_WIDE_INT and not int. + (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M, + CONST_OK_FOR_N): Likewise. + (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P. + (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold + an INTVAL. + +2007-01-10 Jan Hubicka <jh@suse.cz> + + * tree-vrp.c (remove_range_assertions): Release defs. + * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise. + * tree-ssa-dom.c (remove_stmt_or_phi): Likewise. + +2007-01-10 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract. + * config/arm/arm.md (mulsi3subsi): New insn. + +2007-01-10 Zdenek Dvorak <dvorakz@suse.cz> + + * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ... + (tree_transform_and_unroll_loop): New. + * tree-flow.h (transform_callback, tree_transform_and_unroll_loop): + Declare. + +2007-01-10 Robert Kennedy <jimbob@google.com> + + * fold-const.c (fold_comparison): Fold comparisons like (x * + 1000 < 0) to (x < 0). + +2007-01-10 Ian Lance Taylor <iant@google.com> + + * tree-pretty-print.c (dump_generic_node): Print parentheses when + operands have the same priority. + +2007-01-10 Tom Tromey <tromey@redhat.com> + + * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p. + (fold_binary): Likewise. + * langhooks.c (lhd_can_use_bit_fields_p): Removed. + * langhooks-def.h (lhd_can_use_bit_fields_p): Removed. + (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed. + (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P. + * langhooks.h (struct lang_hooks): Removed field + 'can_use_bit_fields_p'. + +2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org> + + * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS. + +2007-01-10 Razya Ladelsky <razya@il.ibm.com> + + * function.c (get_last_funcdef_no): New function. + * function.h (get_last_funcdef_no): Declare. + * tree-inline.c (initialize_cfun): Add initialization. + (tree_function_versioning): Cleanup. + +2007-01-10 Jan Hubicka <jh@suse.cz> + + * tree-inline.c (setup_one_parameter): Do not propagate into abnormal + PHIs. + +2007-01-10 Sa Liu <saliu@de.ibm.com> + Ben Elliston <bje@au.ibm.com> + + * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode + for SAVE_NONLOCAL and Pmode for any other save level. + * spu-protos.h (spu_restore_stack_block): Declare. + * spu.md (save_stack_block): Remove. + (restore_stack_block): Call spu_restore_stack_block. + * spu.c (spu_restore_stack_block): New function. + (spu_expand_epilogue): Remove old comment. + +2007-01-09 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/30322 + * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed. + (cand_value_at): Return the value as aff_tree. + (may_eliminate_iv): Convert the bound from aff_tree to tree. + * tree-affine.c (aff_combination_add_cst, aff_combination_add_product, + aff_combination_mult): New functions. + (aff_combination_add): Use aff_combination_add_cst. + (aff_combination_convert): Allow conversions to a wider type. + (tree_to_aff_combination): Handle BIT_NOT_EXPR. + * tree-affine.h (aff_combination_mult): Declare. + +2007-01-09 Carlos O'Donell <carlos@codesourcery.com> + + * doc/tm.texi: Update documentation to reflect reality of exec + and start file search behaviours. Update copyright year. + * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find + header file directories. + +2007-01-09 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387. + (*cosxf2): Rename to cosxf2_i387. + (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns + using X87MODEF12 mode macro. Rename patterns to + *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns + for SSE math. + (*cosdf2, *cossf2): Ditto. + (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters + to match extended input operands. + (sincos<mode>3): New expander. + (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove + insn patterns and corresponding splitters. + +2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete. + (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise. + +2007-01-09 Nicolas Pitre <nico@cam.org> + + PR target/30173 + * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero. + +2007-01-08 Geoffrey Keating <geoffk@apple.com> + + * target.h (struct gcc_target): New field library_rtti_comdat. + * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New. + (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT. + * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT. + * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define. + +2007-01-08 Geoffrey Keating <geoffk@apple.com> + + * doc/invoke.texi (Optimize Options): Correct description of -O0. + +2007-01-08 Richard Guenther <rguenther@suse.de> + + * tree.h (force_fit_type_double): Export. + (force_fit_type): Remove. + * fold-const.c (force_fit_type_double): New function. + (force_fit_type): Remove. + (int_const_binop): Use it. + (fold_convert_const_int_from_int): Likewise. + (fold_convert_const_int_from_real): Likewise. + (fold_div_compare): Likewise. + (fold_sign_changed_comparison): Likewise. + (fold_unary): Likewise. + (fold_negate_const): Likewise. + (fold_abs_const): Likewise. + (fold_not_const): Likewise. + * c-common.c (shorten_compare): Use force_fit_type_double. + * convert.c (convert_to_pointer): Likewise. + +2007-01-08 Richard Guenther <rguenther@suse.de> + + * tree.h (build_int_cst_wide_type): Export. + * tree.c (build_int_cst_wide_type): New function. + (build_int_cst_wide): Fix comment. + * builtins.c (fold_builtin_object_size): Use build_int_cst + to build -1 or 0 of the correct type. Use fit_double_type + to check for overflow. + * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type + to build the mask. + (decode_field_reference): Likewise. + (all_ones_mask_p): Likewise. + (native_interpret_int): Use build_int_cst_wide_type. + (fold_binary): Use build_int_cst_type to build an all-ones + value. + * stor-layout.c (set_sizetype): Use build_int_cst_wide_type. + +2007-01-08 Daniel Jacobowitz <dan@codesourcery.com> + + * config/pa/t-pa64 (libgcc_stub.a): Use $(T). + +2007-01-09 Ben Elliston <bje@au.ibm.com> + + * genautomata.c (STATS_OPTION): New option. + (stats_flag): New flag. + (gen_automata_option): Handle it. + (initiate_automaton_gen): Ditto. + (write_automata): Output statistics only if stats_flag is + set. Likewise, output time statistics only if time_flag is set. + * doc/md.texi (Processor pipeline description): Document new flag. + +2007-01-08 Richard Guenther <rguenther@suse.de> + + * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type. + * tree.c (build_int_cst_type): Likewise. + (size_in_bytes): Don't call force_fit_type on the result. + (int_fits_type_p): Use fit_double_type. + * fold-const.c (fit_double_type): New function. + (force_fit_type): Use it. + * tree.h (fit_double_type): Export. + +2007-01-08 Jan Hubicka <jh@suse.cz> + + * tree-vectorizer.c (gate_increase_alignment): Fix return type. + * ipa.c (function_and_variable_visibility): Fix return type. + +2007-01-08 Richard Guenther <rguenther@suse.de> + + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type + of offset to build the index. + * tree-pretty-print.c (dump_generic_node): Don't build negated + const just for printing. + * c-pretty-print.c (pp_c_integer_constant): Likewise. + * builtins.c (fold_builtin_int_roundingfn): Check if result + fits the type by using force_fit_type and comparing the result. + * predict.c (predict_loops): Use compare_tree_int for comparison. + * tree.c (build_int_cst): Fall back to integer_type_node for + NULL_TREE type. + (build_int_cst_wide): Assert type is non-null. + +2007-01-08 Roberto Costa <roberto.costa@st.com> + + * tree-vrp.c (extract_range_from_cond_expr): New. + (extract_range_from_expr): Handle COND_EXPR nodes used as expressions. + * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used + as expressions. + (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs. + * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond, + tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes + used as expressions. + * tree-object-size.c (cond_expr_object_size): New. + (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions. + +2007-01-08 Jan Hubicka <jh@suse.cz> + + * tree-ssa-forwprop.c (forward_propagate_into_cond, + tree_ssa_forward_propagate_single_use_va): Release defs of propagated + statement. + +2007-01-08 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/23603 + * tree-vrp.c (set_value_range_to_truthvalue): New function. + (extract_range_from_binary): Fall back to truthvalue instead of + varying for TRUTH_*_EXPR. + (extract_range_from_comparison): Fall back to truthvalue instead of + varying. + (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF + if all visited PHI values were constant. + +2007-01-08 Jan Hubicka <jh@suse.cz> + + * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag. + (cgraph_analyze_function): break out from ... + (cgraph_finalize_compilation_unit): ... here. + (cgraph_expand_function): Remove forgoten commented out line. + (cgraph_optimize): Analyze functions. + +2007-01-08 Jan Hubicka <jh@suse.cz> + + * tree-pas.h (TODO_remove_function): New flag. + (TODO_update*): Renumber. + (pass_ipa_increase_alignment, + pass_ipa_function_and_variable_visibility): New passes. + * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c + (cgraph_function_and_variable_visibility): Move to ipa.c + (cgraph_optimize): Don't call cgraph_function_and_variable_visibility, + cgraph_increase_alignment. + * ipa-inline.c (cgraph_decide_inlining): Don't push timevar. + (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before + calling tree-inline. + (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes. + (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions + * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c + (gate_increase_alignment): New function. + (pass_ipa_increase_alignment): New pass. + * ipa.c: Inline tree-pass.h and timevar.h + (function_and_variable_visibility): Move here from cgraphunit.c + * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions. + * passes.c (init_optimization_passes): Add the two new passes. + (execute_todo): Handle cgraph_remove_functions. + +2007-01-08 Nick Clifton <nickc@redhat.com> + + * config/frv/predicates.md (reg_or_0_operand): Accept + CONST_DOUBLEs. + +2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org> + + * config/bfin/rtems.h, config/bfin/t-rtems: New. + * config.gcc: Add bfin*-rtems*. + +2007-01-08 Mark Shinwell <shinwell@codesourcery.com> + + * c.opt: Add -flax-vector-conversions. + * c-typeck.c (convert_for_assignment): Pass flag to + vector_types_convertible_p to allow emission of note. + (digest_init): Likewise. + * c-opts.c: Handle -flax-vector-conversions. + * c-common.c (flag_lax_vector_conversions): New. + (vector_types_convertible_p): Unless -flax-vector conversions + has been passed, disallow conversions between vectors with + differing numbers of subparts and/or element types. If such + a conversion is disallowed, possibly emit a note on the first + occasion only to inform the user of -flax-vector-conversions. + The new last argument specifies this. + * c-common.h (flag_lax_vector_conversions): New. + (vector_types_convertible_p): Add extra argument. + * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use + char_type_node for V*QI type vectors. + * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): + Update to satisfy new typechecking rules. + * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both + C and C++ variants. + * doc/invoke.texi (C Dialect Options): Document + -flax-vector-conversions. + +2007-01-08 Mark Shinwell <shinwell@codesourcery.com> + + PR tree-optimization/29877 + * tree-ssa-ter.c (is_replaceable_p): Deem assignments with + a register variable on the RHS to not be replaceable. + +2007-01-08 Chen Liqin <liqin@sunnorth.com.cn> + * config/score/t-score-elf (MULTILIB_OPTIONS): Change. + * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12, + const_simm15, const_pow2, const_npow2): Added. + * config/score/misc.md (insv, extv, extzv, movmemsi, + move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug. + * config/score/score.c (score_address_cost, score_select_cc_mode): + Added. + Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define. + Update score_rtx_costs for MACRO TARGET_RTX_COSTS. + Update score_print_operand. + * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added. + Adjust register allocate order and update some macro define. + * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store, + mdx_block_move_straight, mdx_block_move_loop_head, + mdx_block_move_loop_body, mdx_block_move_loop_foot, + mdx_block_move_loop, mdx_block_move): Added. + (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi, + mdp_limm): Updated and fix some bug and typo. + * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated. + (movsf, movdf, doloop_end): Added. + +2007-01-08 Kazu Hirata <kazu@codesourcery.com> + + * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md, + config/arm/thumb2.md: Fix comment typos. + * doc/extend.texi: Fix a typo. + +2007-01-07 Eric Christopher <echristo@apple.com> + + * configure.ac: Check for __stack_chk_fail for darwin. + * configure: Regenerate. + +2007-01-07 Richard Guenther <rguenther@suse.de> + + * tree-vrp.c (extract_range_from_assert): CSE calls to + compare_values where possible. + (extract_range_from_unary_expr): Likewise. + +2007-01-07 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr-protos.h (call_insn_operand): Delete prototype. + * config/avr/avr.c (call_insn_operand): Delete function. + * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP + instead of register number. Use predicates. + * config/avr/predicates.md (const0_operand, reg_or_0_operand, + call_insn_operand): Add. + +2007-01-06 Jan Hubicka <jh@suse.cz> + + * tree-pass.h (pass_build_cgraph_edges): Declare. + * cgraphunit.c (record_refernece): Move to cgraphbuild.c + (visited_nodes): Remove. + (cgraph_create_edges): Move to cgraphbuild.c; rename to + build_cgrpah_edges; make visited_nodes local. + (cgraph_process_new_functions): DO not call initialize_inline_failed. + (record_references_in_initializer): Move to cgraphbuild.c + (initialize_inline_failed, rebuild_cgraph_edges, + pass_rebuild_cgraph_edges): Move to cgraphbuild.c. + (verify_cgraph_node): Make visited_nodes local. + (cgraph_analyze_function): Do not call cgraph_create_edges and + initialize_inline_failed. + (cgraph_expand_function): Do not call cgraph_lower_function; + assert that function is already lowered. + * Makefile.in (cgraphbuild.o): New. + * passes.c (init_optimization_passes): Add pass_build_cgraph_edges + at the end of lowering passes. + +2007-01-06 Steven Bosscher <steven@gcc.gnu.org> + + * ifcvt.c (cond_move_convert_if_block): New function, code + factored out from... + (cond_move_process_if_block): ...here. Call the new function + on the THEN and ELSE blocks. + (merge_if_block): Do not copy global_live_at_end, merge_blocks + already takes care of this. + +2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c/19978 + * tree.h (TREE_OVERFLOW_P): New. + * c-typeck.c (parser_build_unary_op): Warn only if result + overflowed and operands did not. + (parser_build_binary_op): Likewise. + (convert_for_assignment): Remove redundant overflow_warning. + * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW. + +2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * c-typeck.c (store_init_value): Split over two lines to follow + the GNU coding style. + +2007-01-05 Benjamin Kosnik <bkoz@redhat.com> + + * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to + __GXX_EXPERIMENTAL_CXX0X__. + * doc/cpp.texi: Same. + +2007-01-05 Richard Guenther <rguenther@suse.de> + + PR middle-end/27826 + * tree.c (get_narrower): Do not construct COMPONENT_REFs + with mismatched types. Instead explicitly build a + conversion NOP_EXPR. + +2007-01-05 Ian Lance Taylor <iant@google.com> + + * c-common.c (decl_with_nonnull_addr_p): New function. + (c_common_truthvalue_conversion): Call it. + * c-typeck.c (build_binary_op): Likewise. + * c-common.h (decl_with_nonnull_addr_p): Declare. + +2007-01-05 Jakub Jelinek <jakub@redhat.com> + + PR c/30360 + * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of + denom against 0.0. + +2007-01-05 Joel Brobecker <brobecker@adacore.com> + + * doc/install.texi (Final install): Document the fact that + the GNAT runtime should not be stripped. + +2007-01-04 Jan Hubicka <jh@suse.cz> + + * tree-inline.c (fold_marked_statements): Update operand caches + and EH after folding + +2007-01-04 Ian Lance Taylor <iant@google.com> + + * c-common.c (check_function_nonnull): Whitespace fix. + +2007-01-04 Jan Hubicka <jh@suse.cz> + + * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely + comitted older version of patch. + (pass_fixup_cfg): Add TODOs to verify flow and statements, dump + function, celanup cfg and collect garbage. + +2007-01-04 Mike Stump <mrs@apple.com> + + * Makefile.in (mostlyclean): Don't remove libgcc anymore. + (clean): Likewise. + +2007-01-04 Eric Christopher <echristo@apple.com> + + * libgcc2.c (__bswapsi2): Use SItype. + (__bswapdi2): Use DItype. + * libgcc2.h: Update for above. + +2007-01-04 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0, + mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0, + mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3, + umulsidi3, umulsidi3adddi, smulsi3_highpart, + umulsi3_highpart): Make conditional on !arm_arch6. + (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6, + mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6, + mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6, + umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6, + umulsi3_highpart_v6): New insns. + +2007-01-04 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (fold_convert): When casting an expression to void, + fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't + have a type. Instead of attempting to build a NOP_EXPR, return + these "special" trees directly. + +2007-01-04 Joseph Myers <joseph@codesourcery.com> + + * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for + MULT inside MINUS as either argument. Use rs6000_cost->dmul - + rs6000_cost->fp not 0 as adjustment for outer NEG. + +2007-01-04 Jan Hubicka <jh@suse.cz> + + * cgraph.c (cgraph_release_function_body): New function. + (cgraph_remove_node): Use it. + * cgraph.h (cgraph_release_function_body): Declare. + * cgraphunit.c (cgraph_expand_function): Use it. + * ipa.c (cgraph_remove_unreahchable_nodes): Use it. + * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing + is initialized and while compilation of other function is running. + * tree-optimize.c (execute_free_cfg_annotations): Move code to clear + statement CFG annotations from here to ... + * tree-cfg.c (delete_tree_cfg_annotations): ... here. + +2007-01-04 Zdenek Dvorak <dvorakz@suse.cz> + + * cfgloop.h (enum li_flags): Make the constants powers of two. + +2007-01-04 Jan Hubicka <jh@suse.cz> + + * tree-inline.c (copy_bb): Insert new statements to statements_to_fold + set. + (fold_marked_statements): New function. + (optimize_inline_calls, tree_function_versioning): Fold new statements. + * tree-inline.h (copy_body_data): Add statements_to_fold. + +2007-01-03 Daniel Jacobowitz <dan@codesourcery.com> + + * config.gcc: Mention libgcc/config.host. + * Makefile.in: Update comments mentioning libgcc. + (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete. + (all.cross, start.encap, rest.encap, rest.cross): Update + dependencies for libgcc move. + (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib) + (clean-target, clean-target-libgcc): Delete. + (srcdirify, GCC_EXTRA_PARTS): New macros. + (libgcc-support, libgcc.mvars): New rules. + (distclean): Remove mention of mklibgcc. + (install): Don't reference INSTALL_LIBGCC. + (install-common): Don't reference EXTRA_PARTS. + (install-libgcc, install-multilib): Delete rules. + * mklibgcc.in: Delete file. + * doc/configfiles.texi: Don't mention mklibgcc. + + * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc). + * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise. + * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise. + * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES) + (mklibgcc, ldblspecs): Likewise. + + * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def) + (posixpre.def): Use $(T). + (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP) + (SHLIB_SRC, SHLIB_INSTALL): Delete. + (SHLIB_LINK): Make dummy. + * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK. + + * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear. + + * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS. + * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30, + config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos, + config/rs6000/t-newas, config/sparc/t-elf: Likewise. + + * configure.ac (all_outputs): Remove mklibgcc. + * configure: Regenerated. + +2007-01-03 Josh Conner <jconner@apple.com> + + PR middle-end/29683 + * calls.c (compute_argument_addresses): Set stack and stack_slot + for partial args, too. + (store_one_arg): Use locate.size.constant for the size when + generating a save_area. + +2007-01-03 Robert Kennedy <jimbob@google.com> + + * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results + whose definitions are deleted due to basic block merging. + +2007-01-03 Paul Brook <paul@codesourcery.com> + + PR target/16634 + * config/arm/arm.c (output_return_instruction): Pop PC in interrupt + functions. + (use_return_insn): Return 0 for Thumb interrupt functions. + (print_multi_reg): Add rfe argument for IRQ returns. + (arm_output_epilogue): Pop interrupt return address directly into PC. + (arm_expand_prologue): Only adjust IRQ return address in Arm mode. + +2007-01-03 Paul Brook <paul@codesourcery.com> + + Merge from sourcerygxx-4_1. + * config/arm/thumb2.md: New file. + * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for + Thumb-2. + * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto. + * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion. + (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables. + * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump + tables. + (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion. + * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm + comptibility. + * config/arm/ieee754-sf.S: Ditto. + * config/arm/arm.c (thumb_base_register_rtx_p): Rename... + (thumb1_base_register_rtx_p): ... to this. + (thumb_index_register_rtx_p): Rename... + (thumb1_index_register_rtx_p): ... to this. + (thumb_output_function_prologue): Rename... + (thumb1_output_function_prologue): ... to this. + (thumb_legitimate_address_p): Rename... + (thumb1_legitimate_address_p): ... to this. + (thumb_rtx_costs): Rename... + (thumb1_rtx_costs): ... to this. + (thumb_compute_save_reg_mask): Rename... + (thumb1_compute_save_reg_mask): ... to this. + (thumb_final_prescan_insn): Rename... + (thumb1_final_prescan_insn): ... to this. + (thumb_expand_epilogue): Rename... + (thumb1_expand_epilogue): ... to this. + (arm_unwind_emit_stm): Rename... + (arm_unwind_emit_sequence): ... to this. + (thumb2_legitimate_index_p, thumb2_legitimate_address_p, + thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec, + thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem, + arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition, + thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift, + thumb2_output_casesi): New functions. + (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define. + (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7, + FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME, + THUMB2_WORK_REGS): Define. + (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count, + arm_condexec_mask, arm_condexec_masklen)): New variables. + (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m. + (arm_override_options): Check new CPU capabilities. + Set new architecture flag variables. + (arm_isr_value): Handle v7m interrupt functions. + (user_return_insn): Return 0 for v7m interrupt functions. Handle + Thumb-2. + (const_ok_for_arm): Handle Thumb-2 constants. + (arm_gen_constant): Ditto. Use movw when available. + (arm_function_ok_for_sibcall): Return false for v7m interrupt + functions. + (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2. + (thumb_find_work_register, arm_load_pic_register, + legitimize_tls_address, arm_address_cost, load_multiple_sequence, + emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size, + print_multi_reg, output_mov_long_double_fpa_from_arm, + output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm, + output_mov_double_fpa_from_arm, output_move_double, + arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask, + output_return_instruction, arm_output_function_prologue, + arm_output_epilogue, arm_get_frame_offsets, arm_regno_class, + arm_output_mi_thunk, thumb_set_return_address): Ditto. + (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs. + (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC. + (arithmetic_instr, shift_op): Use arm_shift_nmem. + (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.', + '!' and 'L'. + (arm_final_prescan_insn): Use extract_constrain_insn_cached. + (thumb_expand_prologue): Use thumb_set_frame_pointer. + (arm_file_start): Output directive for unified syntax. + (arm_unwind_emit_set): Handle stack alignment instruction. + * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__. + Add v6t2, v7, v7a, v7r and v7m. + (RETLDM): Add Thumb-2 code. + (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros. + * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__. + (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY, + TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN, + THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS, + ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS, + THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE, + CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END, + ADJUST_INSN_LENGTH): Define. + (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE, + STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS, + BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES, + PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS, + SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, + TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT, + HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP, + HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG, + REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P, + REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS, + LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS, + GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST, + ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME, + FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P, + PRINT_OPERAND_ADDRESS): Adjust for Thumb-2. + (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations. + * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and + cortex-m3. + * config/arm/arm-tune.md: Regenerate. + * config/arm/arm-protos.h: Update prototypes. + * config/arm/vfp.md: Enable patterns for Thumb-2. + (arm_movsi_vfp): Add movw alternative. Use output_move_vfp. + (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp. + (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp, + thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New. + * config/arm/libunwind.S: Add Thumb-2 code. + * config/arm/constraints.md: Update include Thumb-2. + * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support. + * config/arm/ieee754-df.S: Ditto. + * config/arm/bpabi.S: Ditto. + * config/arm/t-arm (MD_INCLUDES): Add thumb2.md. + * config/arm/predicates.md (low_register_operand, + low_reg_or_int_operand, thumb_16bit_operator): New. + (thumb_cmp_operand, thumb_cmpneg_operand): Rename... + (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this. + * config/arm/t-arm-elf: Add armv7 multilib. + * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm. + Include thumb2.md. + (UNSPEC_STACK_ALIGN, ce_count): New. + (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3, + arm_zero_extendsidi2, arm_zero_extendqidi2): New + insns/expanders. + * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm. + (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa, + thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns. + * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm. + (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn, + thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New + insns. + * doc/extend.texi: Document ARMv7-M interrupt functions. + * doc/invoke.texi: Document Thumb-2 new cores+architectures. + +2007-01-03 Jakub Jelinek <jakub@redhat.com> + + * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define. + (struct _Unwind_Context): Rename args_size to flags, remove + signal_frame field, add a new args_size field and version field. + (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame, + _Unwind_IsExtendedContext): New inline functions. + (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr): + Assume by_value array is only present if _Unwind_IsExtendedContext. + (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use + _Unwind_IsSignalFrame. + (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT. + (uw_update_context_1): Use _Unwind_SetSignalFrame. + (uw_init_context_1): Initialize context->flags to + EXTENDED_CONTEXT_BIT. + * config/rs6000/linux-unwind.h (frob_update_context): Use + _Unwind_SetSignalFrame. + +2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/30353 + * gimplify.c (gimplify_modify_expr_complex_part): Move below + tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need + the value. + +2007-01-03 Kazu Hirata <kazu@codesourcery.com> + + * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P, + REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER, + RET, AT_SP): Remove. + * config/i386/i386.md (*sse_prologue_save_insn): Use return + instead of RET. + + * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared. + * cfgbuild.c (find_basic_blocks): Likewise. + * cfgrtl.c (rtl_create_basic_block): Likewise. + * function.c (temp_slots_at_level): Likewise. + * reg-stack.c (stack_regs_mentioned): Likewise. + * regclass.c (allocate_reg_info): Likewise. + * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb, + set_bb_for_stmt, move_block_to_fn): Likewise. + * tree-complex.c (tree_lower_complex): Likewise. + * vec.h (VEC_safe_grow_cleared): New. + + * cgraphunit.c, tree-ssa-alias.c: Fix comment typos. + +2007-01-03 Zdenek Dvorak <dvorakz@suse.cz> + + * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify. + * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities + to loop_version. + * cfgloopmanip.c (scale_loop_frequencies): Export. + (loopify): Scale the frequencies by prescribed coefficients. + (set_zero_probability): New function. + (duplicate_loop_to_header_edge): Improve updating of frequencies. + (lv_adjust_loop_entry_edge, loop_version): Set probabilities + and frequencies according to arguments. + * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities + correctly. + * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up. + * modulo-sched.c (sms_schedule): Set probabilities for entering + versioned loop correctly. + * tree-vect-transform.c (vect_transform_loop): Ditto. + * cfgloop.h (loopify, loop_version): Declaration changed. + (scale_loop_frequencies): Declared. + +2007-01-02 Jan Hubicka <jh@suse.cz> + + * cgraph.c: Include tree-flow.h + (cgraph_add_new-function): Handle IPA_SSA mode; execute + early_local_passes. + * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA. + * tree-pass.h (pass_all_early_optimizations): Declare. + * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute + early_local_passes. + (cgraph_analyze_function): Do early_local_passes. + * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for): + Do not add referenced vars. + * tree-optimize.c (gate_all_optimizations): Do not execute when not in + SSA form. + (gate_all_early_local_passes): New gate. + (pass_early_local_passes): Use new gate. + (execute_early_local_optimizations): New functions. + (gate_all_early_optimizations): New gate. + (pass_all_early_optimizations): New pass. + (execute_free_datastructures): Free SSA only when initialized. + (gate_init_datastructures): Init only when optimizing. + (tree_lowering_passes): Do early local passes when called late. + * tree-profile.c (do_tree_profiling): Don't profile functions added + late. + (do_early_tree_profiling, pass_early_tree_profile): Kill. + * tree-cfg.c (update_modified_stmts): Do not update when operands are + not active. + * passes.c (init_optimizations_passes): Reorder so we go into SSA + during early_local_passes. + * Makefile.in (cgraph.o): Add dependency on tree-flow.h. + + +2007-01-02 Carlos O'Donell <carlos@codesourcery.com> + + * Makefile.in: Update copyright year. + +2007-01-02 Carlos O'Donell <carlos@codesourcery.com> + + * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST) + in $(lang_checks) and check-consistency targets. + +2007-01-02 Jan Hubicka <jh@suse.cz> + + * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for): + Do not add referenced vars. + * tree-cfg.c (update_modified_stmts): Do not update when SSA operands + are not active. + * passes.c (init_optimization_passes): Put mudflap_2 after + free_datastructures. + +2007-01-02 Jan Hubicka <jh@suse.cz> + + * tree-optimize (execute_fixup_cfg): Set after_inlining flag. + Set NOTHROW flag on call statements proved to be nothrow. + Update statement of local calls so new pure/const functions are + updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal + goto receivers. + (tree_rest_of_compilation): Register hooks and initialize bitmap + early. Do not set after_inlining flag. + +2007-01-02 Steve Ellcey <sje@cup.hp.com> + + * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to + HOST_BITS_PER_LONGLONG + +2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c/19977 + * c-typeck.c (store_init_value): Don't emit pedantic overflow + warning for non-static initializers. + +2007-01-02 Steven Bosscher <steven@gcc.gnu.org> + + * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md, + m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c, + rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c: + Always use set_unique_reg_note to add REG_EQUAL notes. + +2007-01-02 Kazu Hirata <kazu@codesourcery.com> + + Revert: + 2007-01-02 Kazu Hirata <kazu@codesourcery.com> + + * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared. + * cfgbuild.c (find_basic_blocks): Likewise. + * cfgrtl.c (rtl_create_basic_block): Likewise. + * function.c (temp_slots_at_level): Likewise. + * reg-stack.c (stack_regs_mentioned): Likewise. + * regclass.c (allocate_reg_info): Likewise. + * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb, + set_bb_for_stmt, move_block_to_fn): Likewise. + * tree-complex.c (tree_lower_complex): Likewise. + * vec.h (VEC_safe_grow_cleared): New. + +2007-01-02 Ian Lance Taylor <iant@google.com> + + * c-common.c (c_common_truthvalue_conversion): When warning about + using an assignment as a truth value, set TREE_NO_WARNING. + +2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR middle-end/7651 + * c.opt (Wold-style-declaration): New. + * doc/invoke.texi (C-only Warning Options): New. + (Wold-style-declaration): Document it. + (Wextra): Enabled by -Wextra. + * c-opts.c (c_common_post_options): Enabled by -Wextra. + * c-decl.c (declspecs_add_scspec): Replace -Wextra with + -Wold-style-declaration. + +2007-01-02 Kazu Hirata <kazu@codesourcery.com> + + * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared. + * cfgbuild.c (find_basic_blocks): Likewise. + * cfgrtl.c (rtl_create_basic_block): Likewise. + * function.c (temp_slots_at_level): Likewise. + * reg-stack.c (stack_regs_mentioned): Likewise. + * regclass.c (allocate_reg_info): Likewise. + * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb, + set_bb_for_stmt, move_block_to_fn): Likewise. + * tree-complex.c (tree_lower_complex): Likewise. + * vec.h (VEC_safe_grow_cleared): New. + +2007-01-02 Douglas Gregor <doug.gregor@gmail.com> + + * c-common.c (c_common_nodes_and_builtins): Since variants of + void_type_node get built before it is given a name, we need to + give those variants the name, too. + (complete_array_type): We need to work with the canonical main + type of the array, from which we will build the qualified version. + * params.def (PARAM_VERIFY_CANONICAL_TYPES): New. + * print-tree.c (print_node): Display canonical type information + for each type. + * stor-layout.c (layout_type): When we don't know the + alignment of a type for which we're building an array, we end up + guessing wrong, so make the type require structural equality. + * tree.c (make_node_stat): When we build a new type, it is its + own canonical type. + (build_type_attribute_qual_variant): When building an attribute + variant, its canonical type is the non-attribute variant. However, + if the attributes are target-dependent and they differ, we need to + use structural equality checks for this type. + (build_qualified_type): A qualified type is not equivalent to its + unqualified variant; set the canonical type appropriately. + (build_distinct_type_copy): When building a distinct type from + another type, the new type is its own canonical type. + (build_variant_type_copy): When building a new type variant, we + assume that it is equivalent to the original type. + (build_pointer_type_for_mode): When building a pointer type, also + build a canonical type pointer. + (build_reference_type_for_mode): When building a reference type, + also build a canonical type reference. + (build_index_type): When we can't hash an index type (e.g., + because its maximum value is negative), the index type requires + structural equality tests. + (build_array_type): Build the canonical form of an array type. + (build_function_type): Function types require structural equality, + because they contain default arguments, attributes, etc. + (build_method_type_directly): Ditto for method types. + (build_offset_type): Build the canonical offset type. + (build_complex_type): Build the canonical vector type. + (make_vector_type): Build the canonical vector type. + * tree.h (TYPE_CANONICAL): New. + (TYPE_STRUCTURAL_EQUALITY_P): New. + (SET_TYPE_STRUCTURAL_EQUALITY): New. + (struct tree_type): Added "canonical" field. + * params.h (VERIFY_CANONICAL_TYPES): New. + * doc/c-tree.texi (TYPE_CANONICAL): Document. + (TYPE_STRUCTURAL_EQUALITY_P): Document. + (SET_TYPE_STRUCTURAL_EQUALITY): Document. + * doc/invoke.texi (verify-canonical-types): Document --param + parameter for verifying canonical types. + +2007-01-02 Joseph Myers <joseph@codesourcery.com> + + * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*, + powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*, + powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae, + powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to + tm_file. + * config/rs6000/e500.h: New. + * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500, + TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE): + Remove. + * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE, + TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, + TARGET_E500_DOUBLE): Remove. + * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE, + TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove. + * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define. + * config/rs6000/rs6000.c (rs6000_override_options): Use + CHECK_E500_OPTIONS. + +2007-01-02 Joseph Myers <joseph@codesourcery.com> + + * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE || + TARGET_E500_DOUBLE), not TARGET_E500, for %y. + (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch, + rs6000_emit_cmove): Don't check TARGET_E500. + * config/rs6000/rs6000.md (bunordered, bordered, sunordered, + sordered): Don't check TARGET_E500. + +2007-01-01 Eric Christopher <echristo@apple.com> + + * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use + HARD_REGISTER_NUM_P. + +2007-01-01 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into + "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z + has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2)) + eq/ne Y". + +2007-01-01 Mike Stump <mrs@apple.com> + + * configure.ac: Remove support for building with Apple's gcc-3.1. + +2007-01-02 Joseph Myers <joseph@codesourcery.com> + + PR middle-end/30311 + * caller-save.c (add_stored_regs): Only handle SUBREGs if inner + REG is a hard register. Do not modify REG before calling + subreg_nregs. + * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a + multiple of the size of YMODE for certain lowpart cases. + +2007-01-01 Andrew Pinski <pinskia@gmail.com> + + PR middle-end/30253 + * gimplify (voidify_wrapper_expr): Update for + GIMPLE_MODIFY_STMT. + +2007-01-01 Andreas Schwab <schwab@suse.de> + + PR target/29166 + * config/ia64/ia64.c (ia64_compute_frame_size): Account space for + save of BR0 in extra_spill_size instead of spill_size. + (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill + area. + (ia64_expand_epilogue): Restore BR0 from its new location. + +2007-01-01 Andrew Pinski <pinskia@gmail.com> + + * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>): + Use a temporary variable if the left hand side is not a gimple + register. + +2007-01-01 Andrew Pinski <pinskia@gmail.com> + + * gimplify.c (gimplify_return_expr): Make the temporary variable + for the return expression, a gimple register variable. + +2007-01-01 Jan Hubicka <jh@suse.cz> + + * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for + INSN_LIST. + +2007-01-01 Mike Stump <mrs@apple.com> + + * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for + .literal16. + * config/darwin.c (machopic_select_rtx_section): Use + HAVE_GAS_LITERAL16. + (darwin_mergeable_constant_section): Likewise. + * configure: Regenerate. + * config.in: Regenerate. + +2007-01-01 Jan Hubicka <jh@suse.cz> + Andrew Pinski <pinskia@gmail.com> + + * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions + before starting IPA passes. |