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Diffstat (limited to 'gcc-4.3.1/gcc/ChangeLog')
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diff --git a/gcc-4.3.1/gcc/ChangeLog b/gcc-4.3.1/gcc/ChangeLog new file mode 100644 index 000000000..2a8a7f831 --- /dev/null +++ b/gcc-4.3.1/gcc/ChangeLog @@ -0,0 +1,3008 @@ +2008-06-06 Release Manager + + * GCC 4.3.1 released. + +2008-06-04 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.c (mips_emit_loadgp): Return early if + there is nothing do to, otherwise emit a blockage if + !TARGET_EXPLICIT_RELOCS || current_function_profile. + * config/mips/mips.md (loadgp_blockage): Use SI rather than DI. + +2008-05-29 Eric Botcazou <ebotcazou@adacore.com> + + * tree-nested.c (check_for_nested_with_variably_modified): Fix typo. + +2008-05-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/36339 + * tree-ssa-alias.c (set_initial_properties): Move pt_anything + and subvariable clobbering code out of the loop. + +2008-05-28 Richard Guenther <rguenther@suse.de> + + PR middle-end/36300 + * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS, + not TYPE_UNSIGNED. Use TYPE_PRECISION instead of GET_MODE_SIZE. + +2008-05-27 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/36339 + * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything + pointers cause all addressable variables to be call clobbered. + +2008-05-26 Kai Tietz <kai.tietz@onevision.com> + + PR target/36321 + * config/i386/i386.md (allocate_stack_worker_64): Make sure + argument operand in rax isn't removed. + +2008-05-23 Uros Bizjak <ubizjak@gmail.com> + Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (Options specification): Document --enable-cld. + * doc/invoke.texi (Machine Dependent Options) + [i386 and x86-64 Options]: Add -mcld option. + (Intel 386 and AMD x86-64 Options): Document -mcld option. + +2008-05-22 David Daney <ddaney@avtrex.com> + + * config/mips/mips.md (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>): Add early + clobber to operand 0. + +2008-05-22 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/36293 + * tree-vect-transform.c (vect_transform_strided_load): Don't check + if the first load must be skipped because of a gap. + +2008-05-21 Sebastian Pop <sebastian.pop@amd.com> + Jan Sjodin <jan.sjodin@amd.com> + + PR tree-optimization/36181 + Backport from mainline: + * tree-parloops.c (loop_has_vector_phi_nodes): New. + (parallelize_loops): Don't parallelize when the loop has vector + phi nodes. + +2008-05-21 Uros Bizjak <ubizjak@gmail.com> + Jakub Jelinek <jakub@redhat.com> + + PR target/36079 + * configure.ac: Handle --enable-cld. + * configure: Regenerated. + * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets. + * config/i386/i386.h (struct machine_function): Add needs_cld field. + (ix86_current_function_needs_cld): New define. + * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant. + (cld): New isns pattern. + (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1, + cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag. + * config/i386/i386.opt (mcld): New option. + * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if + TARGET_CLD and ix86_current_function_needs_cld. + (override_options): Use -mcld by default for 32-bit code if + USE_IX86_CLD. + +2008-05-20 Richard Guenther <rguenther@suse.de> + + Backport from mainline: + 2008-05-15 Richard Guenther <rguenther@suse.de> + + PR middle-end/36244 + * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY. + * tree-flow-inline.h (unmodifiable_var_p): Memory tags never + represent unmodifiable vars. + + PR tree-optimization/34330 + * tree-ssa-alias.c (get_smt_for): Only assert that accesses + through the pointer will alias the SMT. + +2008-05-20 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/35204 + * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New + helper, split out from ... + (DFS): ... here. Make the DFS walk non-recursive. + +2008-05-20 Joseph Myers <joseph@codesourcery.com> + + * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not + $SOURCEDIR/include. + +2008-05-19 Adam Nemet <anemet@caviumnetworks.com> + + PR middle-end/36194 + * combine.c (check_conversion): Rename to check_promoted_subreg. + Don't call record_truncated_value from here. + (record_truncated_value): Turn it into a for_each_rtx callback. + (record_truncated_values): New function. + (combine_instructions): Call note_uses with + record_truncated_values. Change name of check_conversion to + check_promoted_subreg. + +2008-05-19 Eric Botcazou <ebotcazou@adacore.com> + + * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko. + +2008-05-14 Michael Meissner <michael.meissner@amd.com> + + Backport from mainline: + PR target/36224 + * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using + unsigned multiply gives the wrong value when doing widening + multiplies. + (vec_widen_smult_lo_v4si): Ditto. + +2008-05-17 Eric Botcazou <ebotcazou@adacore.com> + + * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into + a BIT_AND_EXPR only for an INTEGER_TYPE. + +2008-05-15 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/36245 + * tree-ssa-address.c (add_to_parts): Deal with non-pointer + bases. + +2008-05-15 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline: + 2008-05-14 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only. + +2008-05-14 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/36098 + * tree-vect-analyze.c (vect_analyze_group_access): Set the gap + value for the first load in the group in case of a gap. + (vect_build_slp_tree): Check that there are no gaps in loads. + +2008-05-13 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.h (machine_function): Add 'is_leaf' field. + * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'. + Use 'machine->is_leaf' instead of 'leaf_func_p'. + +2008-05-13 Richard Guenther <rguenther@suse.de> + + PR middle-end/36227 + * fold-const.c (fold_sign_changed_comparison): Do not allow + changes in pointer-ness. + +2008-05-12 Hans-Peter Nilsson <hp@axis.com> + + Backport from mainline: + 2008-04-08 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1 + and tem2 if tem1 is not a REG or MULT. + +2008-05-11 Danny Smith <dannysmith@users.sourceforge.net> + + Backport from mainline: + 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com> + + PR target/35661 + * config/i386/winnt.c (i386_pe_section_type_flags): Mark + ".text.unlikely" section as executable. + +2008-05-11 Uros Bizjak <ubizjak@gmail.com> + + Backport from mainline: + 2008-05-09 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/36129 + * tree-ssa-ccp.c: Include value-prof.h. + (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if + built-in function was folded to a constant. + * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h + +2008-05-09 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/36187 + * tree-dfa.c (dump_variable): Correct dumping of + SFT_BASE_FOR_COMPONENTS_P. + * tree-ssa-structalias.c (set_uids_in_ptset): Set + SFT_UNPARTITIONABLE_P correctly for the union case. + +2008-05-09 Steve Ellcey <sje@cup.hp.com> + + Backport from mainline: + 2008-04-07 Peter Bergner <bergner@vnet.ibm.com> + + PR middle-end/PR28690 + * rtlanal.c: Update copyright years. + (commutative_operand_precedence): Give SYMBOL_REF's the same precedence + as REG_POINTER and MEM_POINTER operands. + * emit-rtl.c (gen_reg_rtx_and_attrs): New function. + (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate. + * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function. + * gcse.c: Update copyright years. + (pre_delete): Call gen_reg_rtx_and_attrs. + (hoist_code): Likewise. + (build_store_vectors): Likewise. + (delete_store): Likewise. + * loop-invariant.c (move_invariant_reg): Likewise. + Update copyright years. + + 2008-04-08 Peter Bergner <bergner@vnet.ibm.com> + + Revert + PR middle-end/PR28690 + * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the + same precedence as REG_POINTER and MEM_POINTER operands. + + 2008-04-09 Peter Bergner <bergner@vnet.ibm.com> + + PR middle-end/PR28690 + * explow.c (break_out_memory_refs): Use simplify_gen_binary rather + than gen_rtx_fmt_ee to perform more canonicalizations. + +2008-05-09 Steve Ellcey <sje@cup.hp.com> + + Backport from mainline: + 2008-05-08 Steve Ellcey <sje@cup.hp.com> + + * stmt.c (expand_stack_restore): Change sa mode if needed. + +2008-05-08 David Edelsohn <edelsohn@gnu.org> + + PR target/36090 + * config/rs6000/rs6000.c (print_operand_address): If the TOC + address RHS contains an offset, output it as well. + + PR target/36182 + Revert: + 2008-05-08 Paolo Bonzini <bonzini@gnu.org> + PR target/36090 + * simplify-rtx.c (simplify_plus_minus): Create CONST of + similar RTX_CONST_OBJ before CONST_INT. + +2008-05-08 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline: + 2008-05-06 H.J. Lu <hongjiu.lu@intel.com> + + PR target/35657 + * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed + to ... + (contains_aligned_value_p): This. Handle _Decimal128. + (ix86_function_arg_boundary): Only align _Decimal128 to its + natural boundary and handle it properly. + +2008-05-08 Paolo Bonzini <bonzini@gnu.org> + + PR target/36090 + * simplify-rtx.c (simplify_plus_minus): Create CONST of + similar RTX_CONST_OBJ before CONST_INT. + +2008-05-08 Richard Guenther <rguenther@suse.de> + + PR middle-end/36154 + * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make + sure to create a representative for trailing arrays for PTA. + +2008-05-08 Richard Guenther <rguenther@suse.de> + + PR middle-end/36172 + * fold-const.c (operand_equal_p): Two objects which types + differ in pointerness are not equal. + +2008-05-07 Ian Lance Taylor <iant@google.com> + + PR middle-end/36013 + * gimplify.c (find_single_pointer_decl_1): Don't look through + indirections. + (find_single_pointer_decl): Adjust comments. + +2008-05-07 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/36137 + * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of + STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR. + + PR middle-end/36106 + * omp-low.c (expand_omp_atomic_pipeline): Load value using the + integral type rather than floating point, then VIEW_CONVERT_EXPR + to the floating point type. + +2008-05-05 Marius Strobl <marius@FreeBSD.org> + + * gthr-posix.h (__gthread_active_p): Use the Solaris implementation + for FreeBSD as well. + * gthr-posix95.h: Likewise. + +2008-05-05 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/36119 + * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1 + in case of SLP. + +2008-05-03 Richard Guenther <rguenther@suse.de> + + PR middle-end/34973 + * opts.c (set_Wstrict_aliasing): Handle the turn-off case. + +2008-05-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR bootstrap/35169 + * optc-gen.awk: Work around HP-UX/IA awk bug. + +2008-05-01 H.J. Lu <hongjiu.lu@intel.com> + + PR target/36095 + * config/i386/i386.c (bdesc_crc32): Remove OPTION_MASK_ISA_64BIT + from IX86_BUILTIN_CRC32QI. Add OPTION_MASK_ISA_64BIT to + IX86_BUILTIN_CRC32DI. + (ix86_init_mmx_sse_builtins): Add OPTION_MASK_ISA_64BIT to + IX86_BUILTIN_CRC32DI. + + * doc/extend.texi: Correct __builtin_ia32_crc32di. + +2008-04-30 Ian Lance Taylor <iant@google.com> + + Backport from mainline: + 2008-04-22 Ian Lance Taylor <iant@google.com> + + * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather + than size_in_bytes. + + 2008-04-18 Ian Lance Taylor <iant@google.com> + + * fold-const.c (pointer_may_wrap_p): New static function. + (fold_comparison): Add another test for pointer overflow. Use + pointer_may_wrap_p to disable some false positives. + + 2008-04-14 Ian Lance Taylor <iant@google.com> + + * fold-const.c (fold_overflow_warning): Remove assertion. + + 2008-04-14 Ian Lance Taylor <iant@google.com> + + * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define. + * fold-const.c (fold_comparison): If appropriate, test + POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning. + (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when + reassociating a pointer type. + * doc/invoke.texi (Optimize Options): Document that + -fstrict-overflow applies to pointer wraparound. + +2008-04-29 Richard Guenther <rguenther@suse.de> + + PR middle-end/36077 + * fold-const.c (extract_muldiv_1): In combining division constants + make sure to never overflow. + +2008-04-28 Jakub Jelinek <jakub@redhat.com> + + PR debug/36060 + * dwarf2out.c (struct die_struct): Mark as chain_circular through + die_sub field. + * gengtype.c (walk_type, write_func_for_structure): Handle + chain_circular. + * doc/gty.texi: Document chain_circular. + +2008-04-25 Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com> + + * config.gcc (crx-*-elf): Remove deprecation. + +2008-04-24 David Edelsohn <edelsohn@gnu.org> + + Backport from mainline: + 2008-04-09 David Edelsohn <edelsohn@gnu.org> + + PR libstdc++/35597 + * toplev.c (process_options): Remove -ffunction-sections debugging + warning. + +2008-04-24 Jakub Jelinek <jakub@redhat.com> + + PR c++/35758 + * c-common.c (handle_vector_size_attribute): Call + lang_hooks.types.reconstruct_complex_type instead of + reconstruct_complex_type. + * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise. + * config/spu/spu.c (spu_handle_vector_attribute): Likewise. + * langhooks.h (struct lang_hooks_for_types): Add + reconstruct_complex_type hook. + * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define. + (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it. + + PR tree-optimization/36008 + * fold-const.c (try_move_mult_to_index): If s == NULL, divide + the original op1, rather than delta by step. + +2008-04-24 Ira Rosen <irar@il.ibm.com> + Richard Guenther <rguenther@suse.de> + + PR tree-optimization/36034 + * tree-vect-analyze.c (vect_analyze_group_access): SLP is + incapable of dealing with loads with gaps. + +2008-04-24 Jakub Jelinek <jakub@redhat.com> + + PR target/36015 + * config/i386/i386.c (init_cumulative_args): Don't pass anything + in registers for -m32 only if stdarg_p (fntype). + +2008-04-23 Richard Guenther <rguenther@suse.de> + + PR middle-end/36021 + * c-common.c (handle_alloc_size_attribute): Use type_num_arguments. + +2008-04-23 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/35982 + * tree-vect-analyze.c (vect_check_interleaving): Check that the + interleaved data-refs are of the same type. + +2008-04-23 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/36017 + * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before + expanding the library call. + +2008-04-17 Volker Reichelt <v.reichelt@netcologne.de> + + PR c/35744 + * attribs.c (decl_attributes): Return early on errorneous node. + + PR c/35436 + * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type. + +2008-04-17 Alan Modra <amodra@bigpond.net.au> + + PR target/35907 + * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave + regs before frame pop when needed. If use_backchain_to_restore_sp + then load backchain into a temp reg to restore vr and vrsave. Add + code to restore vr after frame pop if possible. + +2008-04-17 Uros Bizjak <ubizjak@gmail.com> + + Backport from mainline: + 2008-04-16 Uros Bizjak <ubizjak@gmail.com> + + PR target/35944 + * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into + temporary registers. Change operand predicate to general_operand. + (remainderxf3): Ditto. + +2008-04-16 Jakub Jelinek <jakub@redhat.com> + + PR c/35739 + * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE + reg type. + + PR tree-optimization/35899 + * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND + rather than TREE_OPERAND. + +2008-04-15 Eric Botcazou <ebotcazou@adacore.com> + + * tree-predcom.c (suitable_reference_p): Return false if the + reference can throw. + +2008-04-15 Jakub Jelinek <jakub@redhat.com> + + PR c/35751 + * c-decl.c (finish_decl): If extern or static var has variable + size, set TREE_TYPE (decl) to error_mark_node. + +2008-04-14 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p) <VIEW_CONVERT_EXPR>: + Return true if the operand is an INTEGER_CST. + +2008-04-12 James E. Wilson <wilson@tuliptree.org> + + PR target/35695 + * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV. + * config/ia64/ia64.c (rtx_needs_barrier): Handle + UNSPEC_FR_RECIP_APPROX_RES. + * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define. + +2008-04-09 Andy Hutchinson <hutchinsonandy@aim.com> + + PR rtl-optimization/34916 + PR middle-end/35519 + * combine.c (create_log_links): Do not create duplicate LOG_LINKS + between instruction pairs. + +2008-04-09 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/35821 + * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that + NEW_STMT_LIST is not NULL. + +2008-04-08 Richard Guenther <rguenther@suse.de> + + * fold-const.c (fold_widened_comparison): Do not allow + sign-changes that change the result. + +2008-04-06 Tom G. Christensen <tgc@jupiterrise.com> + + * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &. + +2008-04-05 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/35833 + * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST + results from fold_binary_to_constant. + (compare_values_warnv): Likewise. + +2008-04-04 Jakub Jelinek <jakub@redhat.com> + + PR target/35364 + * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. + + PR c/35440 + * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR + for all types. + +2008-04-03 Jakub Jelinek <jakub@redhat.com> + + PR c/35738 + * c-parser.c (c_parser_omp_atomic): Call + default_function_array_conversion on the RHS. + + PR middle-end/35818 + * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't + call is_variable_sized if decl has incomplete type. + +2008-04-02 Andrew Pinski <pinskia@gmail.com> + + PR middle-end/35429 + * fold-const.c (fold_truthop): Check for integeral types when folding + a == 0 && b == 0 and a != 0 || b != 0 . + +2008-04-02 Andrew Pinski <pinskia@gmail.com> + + PR tree-opt/35431 + * tree-ssa-phiopt.c (conditional_replacement): Return early for + complex types. + +2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR middle-end/35705 + * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if + the expression is a function address. + +2008-04-01 Joseph Myers <joseph@codesourcery.com> + + * doc/include/gpl_v3.texi: Update for manpage generation. + * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of + gpl.texi. + * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi. + * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include + gpl_v3.texi instead of gpl.texi. + (gpl.pod): New. + +2008-03-28 Nick Clifton <nickc@redhat.com> + + PR target/31232 + * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do + not allow INT+INT as a legitimate addressing mode. + +2008-03-28 Nick Clifton <nickc@redhat.com> + + PR target/31110 + * config/mn10300/mn10300.c (mn10300_secondary_reload_class): + Return GENERAL_REGS for stack adjustment reloads. + +2008-03-27 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline: + 2008-03-27 H.J. Lu <hongjiu.lu@intel.com> + + PR target/35657 + * config/i386/i386.c (ix86_function_arg_boundary): Align + decimal floating point to its natural boundary. + +2008-03-25 Richard Guenther <rguenther@suse.de> + + Backport from mainline: + 2008-03-19 Richard Guenther <rguenther@suse.de> + + PR middle-end/35609 + * tree-ssa.c (walk_data): New structure. + (warn_uninitialized_var): If not always_executed warn with "maybe" + instead of "is". + (execute_early_warn_uninitialized): Compute post-dominators. + Initialize always_executed before processing each basic block. + +2008-03-20 Ira Rosen <irar@il.ibm.com> + + * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of + optimizations turned on under -O3. + (ftree-vectorize): Add that the flag is turned on with -O3. + +2008-03-19 Michael Matz <matz@suse.de> + + Backport from mainline: + 2008-03-19 Michael Matz <matz@suse.de> + + PR middle-end/35616 + * calls.c (expand_call): Check overlap of arguments with call + address for sibcalls. + +2008-03-19 Michael Matz <matz@suse.de> + + * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden. + +2008-03-19 Andreas Krebbel <krebbel1@de.ibm.com> + + * cse.c (cse_insn): Avoid creation of overlapping MEMs. + * alias.c (nonoverlapping_memrefs_p): Export for use in other modules. + * alias.h (nonoverlapping_memrefs_p): Likewise. + +2008-03-19 Andreas Krebbel <krebbel1@de.ibm.com> + + * cse.c (cse_extended_basic_block): Invalidate artificial defs + at bb start. + +2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> + + PR target/35504 + * config/i386/i386.c (x86_this_parameter): Calculate correct location + of "this" pointer when "regparm = N" or "fastcall" is in effect. + +2008-03-18 Richard Guenther <rguenther@suse.de> + + Backport from mainline: + 2008-03-15 Richard Guenther <rguenther@suse.de> + + PR middle-end/35593 + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure + to not produce negative array indices if not allowed. Add + parameter to indicate that. + (maybe_fold_offset_to_component_ref): Allow negative array + indices only for the first member of a structure. + (maybe_fold_offset_to_reference): Allow negative array indices. + (maybe_fold_stmt_addition): Likewise. + +2008-03-18 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/35611 + * gimplify.c (gimplify_expr): Gimplify second operand of + OMP_ATOMIC_LOAD. + +2008-03-16 James E. Wilson <wilson@tuliptree.org> + + PR debug/31510 + * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for + emulated thread local variables. + +2008-03-16 Hans-Peter Nilsson <hp@axis.com> + + * doc/extend.texi (Alignment): Say that the ABI controls + the __alignof__ for non-strict-alignment targets rather + than being a recommendation. + +2008-03-14 Richard Guenther <rguenther@suse.de> + + Backport from mainline: + 2008-02-19 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34989 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure. + Allow propagation to INDIRECT_REF if we can simplify only. + +2008-03-14 Uros Bizjak <ubizjak@gmail.com> + + PR target/34000 + PR target/35553 + * config/i386/xmmintrin.h: Change all static inline functions to + extern inline and add __gnu_inline__ attribute. + * config/i386/bmintrin.h: Ditto. + * config/i386/smmintrin.h: Ditto. + * config/i386/tmmintrin.h: Ditto. + * config/i386/mmintrin-common.h: Ditto. + * config/i386/ammintrin.h: Ditto. + * config/i386/emmintrin.h: Ditto. + * config/i386/pmmintrin.h: Ditto. + * config/i386/mmintrin.h: Ditto. + * config/i386/mm3dnow.h: Ditto. + +2008-03-13 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/35185 + * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed. + (lower_omp_2): New function. + (lower_omp_1, lower_omp): Rewritten. + +2008-03-12 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/35549 + * omp-low.c (maybe_lookup_decl): Constify first argument. + (use_pointer_for_field): Change last argument from bool to + omp_context *. Disallow shared copy-in/out in nested + parallel if decl is shared in outer parallel too. + (build_outer_var_ref, scan_sharing_clauses, + lower_rec_input_clauses, lower_copyprivate_clauses, + lower_send_clauses, lower_send_shared_vars): Adjust callers. + +2008-03-12 Uros Bizjak <ubizjak@gmail.com> + + PR target/35540 + * config/i386/i386.md (paritysi2, paritydi2): Use register_operand + constraint for operand 1. + (paritysi2_cmp): Use register_operand constraint for operand 2. + Use earlyclobber modifier for operand 1. Remove support for + memory operands. + (paritydi2_cmp): Use register_operand constraint for operand 3. + Use earlyclobber modifier for operand 1. Remove support for + memory operands. + +2008-03-11 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/35526 + * expr.c (store_expr): Call emit_block_move if the mode + of "temp" RTX is BLKmode. + +2008-03-10 Vladimir Makarov <vmakarov@redhat.com> + + * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3): + Remove commutativity hint. + +2008-03-10 Jakub Jelinek <jakub@redhat.com> + + PR c/35438 + PR c/35439 + * c-parser.c (c_parser_omp_threadprivate): Don't add vars with + errorneous type. Check that v is a VAR_DECL. + + PR middle-end/35099 + * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid. + +2008-03-10 Uros Bizjak <ubizjak@gmail.com> + + Backport from mainline: + 2008-03-09 Uros Bizjak <ubizjak@gmail.com> + + PR target/35496 + * config/i386/i386.c (ix86_constant_alignment): Compute alignment using + ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST. + + 2008-03-04 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/35456 + * fold-const.c (fold_cond_expr_with_comparison): Prevent + transformations for modes that have signed zeros. + * ifcvt.c (noce_try_abs): Ditto. + +2008-03-09 Kaz Kojima <kkojima@gcc.gnu.org> + + Backport from mainline: + PR target/35225 + * config/sh/sh.c (find_barrier): Don't go past 'from' argument. + +2008-03-09 Kaz Kojima <kkojima@gcc.gnu.org> + + Backport from mainline: + PR target/35190 + * config/sh/sh.md (jump_compact): Disable for crossing jumps. + + * config/sh/sh.c (find_barrier): Don't go past + NOTE_INSN_SWITCH_TEXT_SECTIONS note. + +2008-03-08 Jakub Jelinek <jakub@redhat.com> + + PR target/35498 + * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift + wdst back after sync_compare_and_swapqhi_internal. + +2008-03-07 Joseph Myers <joseph@codesourcery.com> + + * doc/include/texinfo.tex: Update to version 2008-03-07.10. + +2008-03-07 Richard Guenther <rguenther@suse.de> + + Backport from mainline: + 2008-03-05 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/35472 + * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store + whose single use_stmt has a overlapping set of loaded and + stored symbols as that use_stmt might be a noop assignment then. + +2008-03-06 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline: + 2008-02-18 H.J. Lu <hongjiu.lu@intel.com> + + PR target/35189 + * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New. + (OPTION_MASK_ISA_3DNOW_SET): Likewise. + (OPTION_MASK_ISA_SSE_SET): Likewise. + (OPTION_MASK_ISA_SSE2_SET): Likewise. + (OPTION_MASK_ISA_SSE3_SET): Likewise. + (OPTION_MASK_ISA_SSSE3_SET): Likewise. + (OPTION_MASK_ISA_SSE4_1_SET): Likewise. + (OPTION_MASK_ISA_SSE4_2_SET): Likewise. + (OPTION_MASK_ISA_SSE4_SET): Likewise. + (OPTION_MASK_ISA_SSE4A_SET): Likewise. + (OPTION_MASK_ISA_SSE5_SET): Likewise. + (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise. + (OPTION_MASK_ISA_MMX_UNSET): Updated. + (OPTION_MASK_ISA_3DNOW_UNSET): Updated. + (OPTION_MASK_ISA_SSE_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_SSE4A_UNSET): Likewise. + (OPTION_MASK_ISA_SSE5_UNSET): Likewise. + (OPTION_MASK_ISA_SSE4): Removed. + (ix86_handle_option): Turn on bits in ix86_isa_flags and + ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX. + (override_options): Don't turn on implied SSE/MMX bits in + ix86_isa_flags. + +2008-03-06 Jakub Jelinek <jakub@redhat.com> + + * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes + for the same VAR_DECL. + +2008-03-06 Daniel Jacobowitz <dan@codesourcery.com> + + * expmed.c (extract_bit_field): Always use adjust_address for MEM. + +2008-03-06 Joseph Myers <joseph@codesourcery.com> + + PR target/33963 + * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types + other than structures and unions. + +2008-03-06 Jakub Jelinek <jakub@redhat.com> + + * BASE-VER: Set to 4.3.1. + * DEV-PHASE: Set to prerelease. + +2008-03-05 Release Manager + + * GCC 4.3.0 released. + +2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru> + + * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS + examples. Truncate option-names then causing overfull hbox. + +2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/35222 + * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions + on hpux10. + * configure: Rebuilt. + +2008-03-04 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline: + 2008-03-04 H.J. Lu <hongjiu.lu@intel.com> + + PR target/35453 + * config/i386/smmintrin.h (SIDD_XXX): Renamed to ... + (_SIDD_XXX): This. + +2008-03-02 Jakub Jelinek <jakub@redhat.com> + + PR driver/35420 + * gcc.c (process_command): Update copyright notice dates. + * gcov.c (print_version): Likewise. + * gcov-dump.c (print_version): Likewise. + * mips-tfile.c (main): Likewise. + * mips-tdump.c (main): Likewise. + +2008-02-29 Douglas Gregor <doug.gregor@gmail.com> + + PR c++/35315 + * tree-inline.c (build_duplicate_type): When we make a + duplicate type, make it unique in the canonical types system. + +2008-02-29 Uros Bizjak <ubizjak@gmail.com> + + Backport from mainline: + 2008-02-27 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/19984 + * builtins.def (BUILT_IN_NAN): Define as c99 builtin + using DEF_C99_BUILTIN. + (BUILT_IN_NANF): Ditto. + (BUILT_IN_NANL): Ditto. + +2008-02-28 Uros Bizjak <ubizjak@gmail.com> + + Backport from mainline: + 2008-02-25 Francois-Xavier Coudert <coudert@clipper.ens.fr> + Uros Bizjak <ubizjak@gmail.com> + + PR target/25477 + * config/darwin-protos.h: Add darwin_patch_builtins prototype. + * config/darwin-ppc-ldouble-patch.def: New file. + * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro. + * config/rs6000/rs6000.c (rs6000_init_builtins): Call + SUBTARGET_INIT_BUILTINS if defined. + * config/darwin.c (darwin_patch_builtin, + darwin_patch_builtins): New functions. + +2008-02-27 Richard Guenther <rguenther@suse.de> + + Backport from mainline: + 2008-02-27 Richard Guenther <rguenther@suse.de> + + PR middle-end/35390 + * fold-const.c (fold_unary): Return the correct argument, + converted to the result type. + + PR middle-end/34971 + * fold-const.c (fold_binary): Use the types precision, not the + bitsize of the mode if folding rotate expressions. Build rotates + only for full modes. + +2008-02-25 Jan Beulich <jbeulich@novell.com> + + * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T). + * config/i386/netware-libgcc.exp: Add __bswap?i2, + __emultls_get_address, __emultls_register_common, + __floatundi?f, and _Unwind_GetIPInfo. + * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): + Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix(). + (gen_regparm_prefix): Likewise. + (i386_nlm_encode_section_info): Sync with + config/i386/winnt.c:i386_pe_encode_section_info(). + (i386_nlm_maybe_mangle_decl_assembler_name): New. + i386_nlm_mangle_decl_assembler_name): New. + (netware_override_options): New. + * config/i386/netware.h (netware_override_options): Declare. + (OVERRIDE_OPTIONS): Re-define to netware_override_options. + (i386_nlm_mangle_decl_assembler_name): Declare. + (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define. + +2008-02-22 Nathan Froyd <froydnj@codesourcery.com> + + * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): + Use spe_abi. + * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise. + +2008-02-22 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for + GENNONACR_REGS. + +2008-02-21 Janis Johnson <janis187@us.ibm.com> + + PR target/34526 + * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment. + (rs6000_explicit_options): Split abi into spe_abi and altivec_abi, + add vrsave. + (rs6000_override_options): Set altivec_abi as default, not override, + for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for + TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI + is used; use new member spe_abi. + (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use + spe_abi and altivec_abi. + +2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR bootstrap/35273 + * config.build (build_file_translate): Set to `CMD //c' only if + it works. + * Makefile.in (build_file_translate): Improve comment. + +2008-02-21 Michael Matz <matz@suse.de> + + PR target/35264 + * config/i386/i386.c (ix86_expand_branch): Add missing breaks. + +2008-02-20 DJ Delorie <dj@redhat.com> + + * config/h8300/h8300.md (insv): Force source operand to be a register. + + * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn + as a jump, not as a plain insn. + +2008-02-20 Joseph Myers <joseph@codesourcery.com> + + * doc/invoke.texi, doc/standards.texi: Refer to + gcc-4.3/c99status.html. + +2008-02-20 Richard Guenther <rguenther@suse.de> + + PR middle-end/35265 + * builtins.c (validate_arg): If we want an INTEGER_TYPE, + be happy with INTEGRAL_TYPE_P. + +2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR bootstrap/35218 + * Makefile.in (build_file_translate): New. + (gcc-vers.texi): Use it for translating $(abs_srcdir). + * config.build (build_file_translate): Set to `CMD //c' on MinGW. + * configure.ac (build_file_translate): Substitute it. + * configure: Regenerate. + +2008-02-19 Jakub Jelinek <jakub@redhat.com> + + PR target/35239 + * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special + 32-bit inline asm without asm alternatives for host GCC < 3.0. + +2008-02-19 Paul Brook <paul@codesourcery.com> + + PR target/35071 + * config/arm/ieee754-df.S: Fix do_it typo. + * config/arm/ieee754-sf.S: Fix do_it typo. + +2008-02-18 Jakub Jelinek <jakub@redhat.com> + + * DEV-PHASE: Mark as prerelease. + +2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate. + * doc/cfg.texi: Likewise. + * doc/extend.texi: Likewise. + * doc/gty.texi: Likewise. + * doc/invoke.texi: Likewise. + * doc/loop.texi: Likewise. + * doc/md.texi: Likewise. + * doc/passes.texi: Likewise. + * doc/rtl.texi: Likewise. + * doc/sourcebuild.texi: Likewise. + * doc/tm.texi: Likewise. + * doc/tree-ssa.texi: Likewise. + +2008-02-17 Richard Guenther <rguenther@suse.de> + + PR middle-end/35227 + * tree-complex.c (init_parameter_lattice_values): Handle parameters + without default definition. + +2008-02-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/35231 + * tree-vrp.c (register_edge_assert_for): Do not assume A == 0 + if A | B != 1. + +2008-02-17 Uros Bizjak <ubizjak@gmail.com> + + Revert: + + 2008-02-15 Uros Bizjak <ubizjak@gmail.com> + * config/i386/sfp-machine.h (CMPtype): Define as typedef using + libgcc_cmp_return mode. + +2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c/28368 + * doc/invoke.texi (-std): Clarify description of -std= and -ansi. + +2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org> + + * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475 + multilibs. + +2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/c-tree.texi: Use `@.' where appropriate. + * doc/extend.texi: Likewise. + * doc/install.texi: Likewise. + * doc/invoke.texi: Likewise. + * doc/loop.texi: Likewise. + * doc/makefile.texi: Likewise. + * doc/md.texi: Likewise. + * doc/passes.texi: Likewise. + * doc/standards.texi: Likewise. + * doc/tm.texi: Likewise. + +2008-02-15 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/35196 + * omp-low.c (expand_omp_for_generic): Don't initialize fd->v + in entry_bb. + (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb + rather than in entry_bb. + +2008-02-15 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sfp-machine.h (CMPtype): Define as typedef using + libgcc_cmp_return mode. + +2008-02-15 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/35130 + * tree-nested.c (convert_call_expr): Put FRAME.* vars into + OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause. + +2008-02-15 Richard Guenther <rguenther@suse.de> + Zdenek Dvorak <ook@ucw.cz> + + PR tree-optimization/35164 + * tree-flow.h (stmt_references_abnormal_ssa_name): Declare. + * tree-dfa.c (stmt_references_abnormal_ssa_name): New function. + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): + Only propagate addresses which do not have abnormal SSA_NAMEs + in their operands. + +2008-02-15 Joseph Myers <joseph@codesourcery.com> + + PR target/35088 + * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define. + +2008-02-15 Jan Hubicka <jh@suse.cz> + + PR middle-end/35149 + * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag. + +2008-02-15 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/34621 + * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY + when calculating alignment_pad. + +2008-02-15 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (CLEAR_RATIO): Use MIN macro. + (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define. + * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro + and STACK_BOUNDARY define. + +2008-02-14 Danny Smith <dannysmith@users.sourceforge.net> + + PR preprocessor/35061 + * c-pragma.c (handle_pragma_pop_macro): Check that + pushed_macro_table has been allocated. + +2008-02-14 Eric Botcazou <ebotcazou@adacore.com> + + PR middle-end/35136 + * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change. + (force_gimple_operand): Likewise. + * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases + for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR. + Also recurse on the operand for regular VIEW_CONVERT_EXPRs. + (find_interesting_uses_address): Check addressability and alignment + of the base expression only after substituting bases of IVs into it. + +2008-02-14 Michael Matz <matz@suse.de> + + PR target/34930 + * function.c (instantiate_virtual_regs_in_insn): Reload address + before falling back to reloading the whole operand. + +2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (s390_mainpool_start): Emit the pool + before the first section switch note. + +2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/bugreport.texi: Update copyright years. + * doc/c-tree.texi: Likewise. + * doc/cfg.texi: Likewise. + * doc/cpp.texi: Likewise. + * doc/cppinternals.texi: Likewise. + * doc/fragments.texi: Likewise. + * doc/frontends.texi: Likewise. + * doc/gcc.texi: Likewise. + * doc/gty.texi: Likewise. + * doc/hostconfig.texi: Likewise. + * doc/implement-c.texi: Likewise. + * doc/libgcc.texi: Likewise. + * doc/loop.texi: Likewise. + * doc/makefile.texi: Likewise. + * doc/options.texi: Likewise. + * doc/passes.texi: Likewise. + * doc/rtl.texi: Likewise. + * doc/sourcebuild.texi: Likewise. + * doc/standards.texi: Likewise. + * doc/tree-ssa.texi: Likewise. + * doc/trouble.texi: Likewise. + + * doc/extend.texi: Use @: or add comma where appropriate. + * doc/invoke.texi: Likewise. + * doc/tm.texi: Likewise. + +2008-02-14 Alan Modra <amodra@bigpond.net.au> + + PR target/34393 + * config/rs6000/rs6000.md (restore_stack_block): Force operands[1] + to a reg. + +2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com> + + * doc/md.texi (clz, ctz): Add reference. + * doc/rtl.texi (clz, ctz): Likewise. + +2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR other/35148 + * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of + srcdir. + +2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (struct constant_pool): New field + emit_pool_after added. + (s390_mainpool_start): Set the emit_pool_after flag according + to the section switch notes. + (s390_mainpool_finish): Consider emit_pool_after when emitting + the literal pool at the end of the function. + (s390_chunkify_start): Force literal pool splits at section + switch notes. + +2008-02-13 Michael Matz <matz@suse.de> + + PR debug/35065 + * var-tracking.c (clobber_variable_part): Correctly traverse the + list. + +2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR 29673 + * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined. + Add -fdump-ipa-inline. + * tree-dump.c (dump_files): Remove tree-inlined dump. + * tree-pass.h (tree_dump_index): Remove TDI_inlined. + +2008-02-12 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/35171 + * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with + default defs. + +2008-02-12 Richard Guenther <rguenther@suse.de> + + PR middle-end/35163 + * fold-const.c (fold_widened_comparison): Use get_unwidened in + value-preserving mode. Disallow final truncation. + +2008-02-12 Eric Botcazou <ebotcazou@adacore.com> + + PR middle-end/35136 + * gimplify.c (force_gimple_operand_bsi): Move SSA renaming + code from here to... + (force_gimple_operand): ...here. + +2008-02-12 Jakub Jelinek <jakub@redhat.com> + + PR c++/35144 + * tree-sra.c (sra_build_assignment): fold_convert SRC if copying + non-compatible pointers. + (generate_element_copy): If SRC and DST are RECORD_TYPEs with + different FIELD_DECLs, try harder by comparing field offsets, sizes + and types. + + PR inline-asm/35160 + * function.c (match_asm_constraints_1): Don't replace the same input + multiple times. + +2008-02-12 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.h (AVR_HAVE_RAMPZ): Define. + * config/avr/avr.c (expand_prologue): Save RAMPZ register. + (expand_epilogue): Restore RAMPZ register. + * config/avr/avr.md (RAMPZ_ADDR): New constant. + +2008-02-11 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/cygwin.asm: (__alloca): Correct calling + convention and alignment. + (__chkstk): Force 8 byte stack alignment. + +2008-02-11 Uros Bizjak <ubizjak@gmail.com> + Richard Guenther <rguenther@suse.de> + + PR tree-optimization/33992 + * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of + the zero we compare against. + +2008-02-10 Danny Smith <dannysmith@users.sourceforge.net> + + PR libfortran/35063 + * gthr-win32.h (__gthread_mutex_destroy_function): New function + to CloseHandle after unlocking to prevent accumulation of handle + count. + +2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR middle_end/34150 + * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a + pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note + and update LABEL_NUSES during and after reload. + +2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com> + + PR middle-end/34627 + * combine.c (simplify_if_then_else): Make sure the comparison is + against const0_rtx when simplifying to (abs x) or (neg (abs X)). + +2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk> + + PR bootstrap/35051 + * double-int.h: Don't include gmp.h for GENERATOR_FILEs. + (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs. + * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs. + (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs. + * tree.h (get_type_static_bounds): Likewise. + +2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/invoke.texi (Option Summary, C++ Dialect Options) + (Objective-C and Objective-C++ Dialect Options, Warning Options): + Make -Wfoo language annotations match what the compiler outputs. + +2008-02-08 Sa Liu <saliu@de.ibm.com> + + * config/spu/spu-builtins.def: Fixed wrong parameter type in spu + intrinsics spu_convts, spu_convtu, spu_convtf. + * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages. + +2008-02-08 Hans-Peter Nilsson <hp@axis.com> + + * doc/extend.texi (Function Attributes) <noinline>: Mention + asm ("") as method to keep calls. + +2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR other/32754 + * doc/options.texi (Options): Replace references to opts.sh with + optc-gen.awk. + * opts-common.c: Likewise. + * optc-gen.awk: Likewise. + +2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit. + +2008-02-07 Richard Henderson <rth@redhat.com> + + PR rtl-opt/33410 + * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an + EXPR_LIST for the REG_EQUAL instead of a comparison with a + funny mode. + +2008-02-07 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/35085 + * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update + for operand entry oe2 in addition to operand entry oe3 in order to + expose more opportunities for vectorizer sum reduction. + +2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR other/35107 + * Makefile.in (LIBS): Remove $(GMPLIBS). + (cc1-dummy, cc1): Add $(GMPLIBS). + +2008-02-06 Jan Hubicka <jh@suse.cz> + + PR target/23322 + * i386.md (moddf_integer): Do not produce partial memory stalls for + targets where it hurts. + +2008-02-06 Uros Bizjak <ubizjak@gmail.com> + + PR target/35083 + * optabs.c (expand_float): Do not check for decimal modes when + expanding unsigned integer through signed conversion. + +2008-02-06 Nick Clifton <nickc@redhat.com> + + * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup + inside the clobber with a match_operand and duplicated operand + number in the constraint. + (ineqbranchsi): Delete redundant comment. + +2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org> + + * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add + builtin_define ("__USE_INIT_FINI__"). + * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add + -msx multilibs. + * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT. + +2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR documentation/30330 + * doc/invoke.texi (C++ Dialect Options) + (Objective-C and Objective-C++ Dialect Options, Warning Options): + For each warning option -Wfoo that allows -Wno-foo, ensure both + -Wfoo and -Wno-foo are listed in the option index. Fix index + entry of -Wswitch-default, index -Wnormalized= including the + `=', and -Wlarger-than-@var{len} including @var{len}. + +2008-02-05 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (floatunssisf2): Use + ix86_expand_convert_uns_sisf_sse also for TARGET_SSE. + (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2. + Macroize expander using MODEF mode iterator. + +2008-02-05 Diego Novillo <dnovillo@google.com> + + http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html + + PR 33738 + * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738. + +2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR other/35070 + * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings. + +2008-02-05 H.J. Lu <hongjiu.lu@intel.com> + + PR target/35084 + * config/i386/i386.c (ix86_function_sseregparm): Add an arg + to indicate if a message should be generated. + (init_cumulative_args): Updated. + (function_value_32): Likewise. + +2008-02-05 Joseph Myers <joseph@codesourcery.com> + + * doc/include/texinfo.tex: Update to version 2008-02-04.16. + +2008-02-05 Uros Bizjak <ubizjak@gmail.com> + + PR target/35083 + * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only. + Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2. + +2008-02-04 Diego Novillo <dnovillo@google.com> + + http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html + + PR 33738 + * tree-vrp.c (vrp_evaluate_conditional): With + -Wtype-limits, emit a warning when comparing against a + constant outside the natural range of OP0's type. + +2008-02-04 Richard Guenther <rguenther@suse.de> + + PR middle-end/33631 + * expr.c (count_type_elements): Give for unions instead of + guessing. + +2008-02-04 Richard Guenther <rguenther@suse.de> + + PR middle-end/35043 + * gimplify.c (gimplify_init_ctor_eval): Convert array indices + to TYPE_DOMAINs base type instead of using bitsizetype here. + +2008-02-03 Jason Merrill <jason@redhat.com> + + * print-tree.c (print_node) [CONSTRUCTOR]: Print elements. + +2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR other/29972 + * doc/invoke.texi (C++ Dialect Options, Optimize Options) + (HPPA Options, i386 and x86-64 Options, IA-64 Options) + (RS/6000 and PowerPC Options): Fix typos and markup. + * doc/passes.texi (Tree-SSA passes): Likewise. + +2008-02-02 Michael Matz <matz@suse.de> + + PR target/35045 + * postreload-gcse.c (record_last_reg_set_info_regno): Renamed + from record_last_reg_set_info. + (record_last_reg_set_info): Take an RTX argument, iterate over all + constituent hardregs. + (record_last_set_info, record_opr_changes): Change calls to + new signature or to record_last_reg_set_info_regno. + +2008-02-02 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/extend.texi (X86 Built-in Functions): Fix grammar. + +2008-02-01 Hans-Peter Nilsson <hp@axis.com> + + PR rtl-optimization/34773 + * reg-notes.def (EQUAL): Mention significance of combination of + REG_EQUAL and REG_RETVAL. + * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an + insn that has a REG_RETVAL. + +2008-02-01 Roger Sayle <roger@eyesopen.com> + + PR bootstrap/33781 + * configure.ac (--enable-fixed-point): Disable unless explicitly + requested on IRIX. + * configure: Regenerate. + +2008-02-01 Richard Guenther <rguenther@suse.de> + + PR other/35042 + * invoke.texi (-finline-limit): Remove no longer true parts + of the documentation. Note that there is no default value. + +2008-02-01 Andrew Pinski <pinskia@gmail.com> + Mark Mitchell <mark@codesourcery.com> + Ben Elliston <bje@au.ibm.com> + + PR c/29326 + * doc/extend.texi (Other Builtins): Document. + +2008-01-31 Tom Browder <tom.browder@gmail.com> + + * doc/c-tree.texi (Types): Fix grammar. + (Expression trees): Ditto. + * doc/passes.texi (Tree-SSA passes): Ditto. + + * doc/configterms.texi (Configure Terms): Fix typo. + * doc/cpp.texi (Common Predefined Macros): Ditto. + * doc/md.texi (Machine Constraints): Ditto. + + * doc/makefile.texi (Makefile): Add comma. + +2008-01-31 Tom Browder <tom.browder@gmail.com> + Gerald Pfeifer <gerald@pfeifer.com> + + * doc/sourcebuild.texi (Front End): Remove references to CVS + and CVSROOT/modules. + (Texinfo Manuals): Replace reference to CVS by one to SVN. + (Back End): Remove reference to CVS. + +2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/34900 + * config/mips/mips.c (gen_load_const_gp): New function, taking a + comment from... + (mips16_gp_pseudo_reg): ...here. + * config/mips/mips.md (load_const_gp): Replace with... + (load_const_gp_<mode>): ...this :P-based insn. + +2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * doc/invoke.texi (-ansi): Mention explicitly corresponding -std= + options. Minor fixes. + (-std): Move reference to standards closer to where language + standards are first mentioned. + +2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk> + + PR rtl-optimization/34995 + * reload.c (alternative_allows_const_pool_ref): Take an rtx + parameter and return a bool. If the rtx parameter is nonnull, + check that it satisfies an EXTRA_MEMORY_CONSTRAINT. + (find_reloads): Update call accordingly. Pass the new operand + if it needed no address reloads, otherwise pass null. + +2008-01-30 Richard Henderson <rth@redhat.com> + + PR c/34993 + * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN + for unbounded arrays. + +2008-01-30 Silvius Rus <rus@google.com> + + * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg. + +2008-01-30 Jan Hubicka <jh@suse.cz> + + PR target/34982 + * i386.c (init_cumulative_args): Use real function declaration when + calling locally. + +2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk> + + PR rtl-optimization/34998 + * global.c (build_insn_chain): Treat non-subreg_lowpart + SUBREGs of pseudos as clobbering all the words covered by the + SUBREG, not just all the bytes. + * ra-conflict.c (clear_reg_in_live): Likewise. Take the + original df_ref rather than an extract parameter. + (global_conflicts): Update call accordingly. + +2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange + the overflow check to make it easier to read. + (__fixtfdi): Change the type of the ll member in union + long_double to UDItype_x. + +2008-01-30 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/34969 + * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype. + * cgraph.c (cgraph_update_edges_for_call_stmt): New function. + * tree-inline.c (fold_marked_statements): Call + cgraph_update_edges_for_call_stmt if folding a call statement. + * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for + debug_generic_stmt calls, reset it back afterwards. + + PR c/35017 + * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY + static decls. + * c-typeck.c (build_external_ref): Don't pedwarn about + static vars in current function's scope. + +2008-01-29 Joseph Myers <joseph@codesourcery.com> + + * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation. + +2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org> + + PR c/35002 + * ipa-struct-reorg.c: Fix spelling. + * params.def: Ditto. + +2008-01-29 Richard Guenther <rguenther@suse.de> + + PR middle-end/35006 + * tree-inline.h (struct copy_body_data): Add remapping_type_depth + field. + * tree-inline.c (remap_type): Increment remapping_type_depth + around remapping types. + (copy_body_r): Only add referenced variables if they are referenced + from code, not types. + +2008-01-29 Douglas Gregor <doug.gregor@gmail.com> + + PR c++/34055 + PR c++/34103 + PR c++/34219 + PR c++/34606 + PR c++/34753 + PR c++/34754 + PR c++/34755 + PR c++/34919 + PR c++/34961 + * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print + qualifiers for an ERROR_MARK_NODE or a NULL_TREE. + +2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net> + + PR target/34412 + * config/avr/avr.c (expand_prologue): Use correct QI mode frame + pointer for tiny stack. + +2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org> + + * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording. + +2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org> + + * config/vx-common.h: Fix typo in comment. + +2008-01-28 Ian Lance Taylor <iant@google.com> + + PR c++/34862 + PR c++/33407 + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't + coalesce pointers if they have different DECL_NO_TBAA_P values. + * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies + between variables with different DECL_NO_TBAA_P values. + +2008-01-28 Nathan Froyd <froydnj@codesourcery.com> + + PR 31535 + * config/rs6000/rs6000.c (small_data_operand): Vectors and floats + are not legitimate small data references on SPE targets. + +2008-01-28 David Daney <ddaney@avtrex.com> + + * doc/install.texi (mips-*-*): Recommend binutils 2.18. + +2008-01-28 David Daney <ddaney@avtrex.com> + + * doc/install.texi (--disable-libgcj-bc): Reword documentation. + +2008-01-27 Joseph Myers <joseph@codesourcery.com> + + * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*, + m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*, + *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, + *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout, + hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*, + i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*, + i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*, + vax-*-bsd*, vax-*-ultrix*): Mark obsolete. + +2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org> + + * basic-block.h (condjump_equiv_p): Fix comment. + +2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org> + + * tree-pretty-print.c (print_generic_decl, print_generic_stmt, + print_generic_stmt_indented): Fix comment. + +2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org> + + * configure.ac (__stack_chk_fail): Add detecion for availability + of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined. + * configure: Regenerate. + +2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com> + + PR middle-end/34688 + * final.c (output_addr_const): Handle TRUNCATE. + +2008-01-26 Zdenek Dvorak <ook@ucw.cz> + + PR target/34711 + * tree-ssa-loop-ivopts.c (comp_cost): New type. + (zero_cost, infinite_cost): New constants. + (struct cost_pair): Change type of cost to comp_cost. + (struct iv_ca): Change type of cand_use_cost and cost to comp_cost. + (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p): + New functions. + (set_use_iv_cost, force_expr_to_var_cost, force_var_cost, + split_address_cost, ptr_difference_cost, difference_cost, + get_computation_cost_at, get_computation_cost, + determine_use_iv_cost_generic, determine_use_iv_cost_address, + determine_use_iv_cost_condition, determine_use_iv_costs, + cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp, + iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend, + iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set): + Change type of cost to comp_cost. + (determine_iv_cost): Increase cost of non-original ivs, instead + of decreasing the cost of original ones. + (get_address_cost): Indicate the complexity of the addressing mode + in comp_cost. + (try_add_cand_for): Prefer using ivs not specific to some object. + * tree-flow.h (force_expr_to_var_cost): Declaration removed. + +2008-01-26 Peter Bergner <bergner@vnet.ibm.com> + Janis Johnson <janis187@us.ibm.com> + + PR target/34814 + * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document. + (TARGET_INSTANTIATE_DECLS): Likewise. + * target.h (expand_to_rtl_hook): New target hook. + (instantiate_decls): Likewise. + * function.c (instantiate_decl): Make non-static. Rename to... + (instantiate_decl_rtl): ... this. + (instantiate_expr): Use instantiate_decl_rtl. + (instantiate_decls_1): Likewise. + (instantiate_decls): Likewise. + (instantiate_virtual_regs: Call new instantiate_decls taget hook. + * function.h (instantiate_decl_rtl): Add prototype. + * cfgexpand.c (target.h): New include. + (tree_expand_cfg): Call new expand_to_rtl_hook target hook. + * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define. + (TARGET_INSTANTIATE_DECLS): Likewise. + (TARGET_INITIALIZER): New target hooks added. + * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx): + New prototype. + * config/rs6000/rs6000.c (tree-flow.h): New include. + (machine_function): Add sdmode_stack_slot field. + (rs6000_alloc_sdmode_stack_slot): New function. + (rs6000_instantiate_decls): Likewise. + (rs6000_secondary_memory_needed_rtx): Likewise. + (rs6000_check_sdmode): Likewise. + (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined. + (TARGET_INSTANTIATE_DECLS): Likewise. + (rs6000_hard_regno_mode_ok): Allow SDmode. + (num_insns_constant): Likewise. Handle _Decimal32 constants. + (rs6000_emit_move): Handle SDmode. + (function_arg_advance): Likewise. + (function_arg): Likewise. + (rs6000_gimplify_va_arg): Likewise. Add special handling of + SDmode var args for 32-bit compiles. + (rs6000_secondary_reload_class): Handle SDmode. + (rs6000_output_function_epilogue): Likewise. + (rs6000_function_value): Simplify if statement. + (rs6000_libcall_value): Likewise. + * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode. + (SECONDARY_MEMORY_NEEDED_RTX): Add define. + * config/rs6000/dfp.md (movsd): New define_expand and splitter. + (movsd_hardfloat): New define_insn. + (movsd_softfloat): Likewise. + (movsd_store): Likewise. + (movsd_load): Likewise. + (extendsddd2): Likewise. + (extendsdtd2): Likewise. + (truncddsd2): Likewise. + (movdd_hardfloat64): Fixup comment. + (UNSPEC_MOVSD_LOAD): New constant. + (UNSPEC_MOVSD_STORE): Likewise. + +2008-01-26 Jakub Jelinek <jakub@redhat.com> + + PR c++/34965 + * c-pretty-print.c (pp_c_exclusive_or_expression): Handle + TRUTH_XOR_EXPR. + (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR. + (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR. + (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR + and TRUTH_XOR_EXPR. + +2008-01-26 David Edelsohn <edelsohn@gnu.org> + + PR target/34794 + * config.gcc: Separate AIX 5.3 from AIX 6.1. + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define + __LONGDOUBLE128 too. + * config/rs6000/aix61.h: New file. + +2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk> + + PR rtl-optimization/34959 + * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz, + popcount and parity rtxes the same mode as their operand. + Truncate or extend the result to the return value's mode + if necessary. + +2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/34981 + * config/mips/mips-protos.h (mips_expand_call): Return an rtx. + * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO + to GOT_VERSION_REGNUM. + (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0. + (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT. + * config/mips/mips.c (mips_emit_call_insn): New function. + (mips_call_tls_get_addr): Call mips_expand_call directly. + (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than + emit_call_insn. + (mips16_build_call_stub): Likewise. Return the call insn or null. + (mips_expand_call): Update the call to mips16_build_call_stub + accordingly and a remove redundant condition. Assert that MIPS16 + stubs do not use lazy binding. Use mips_emit_call_insn and return + the call insn. + (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if + TARGET_USE_GOT. + (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM. + (mips_avoid_hazard): Remove hazard_set handling. + * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to... + (UNSPEC_RESTORE_GP): ...this. + (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants. + (FAKE_CALL_REGNO): Rename to... + (GOT_VERSION_REGNUM): ...this. + (type): Add "ghost" value. Add an associated insn reservation. + (hazard_set): Remove. + (exception_receiver): Rename to... + (restore_gp): ...this and update the unspec identifier accordingly. + (exception_receiver, nonlocal_got_receiver): New expanders. + (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set + FAKE_CALL_REGNO. Remove hazard_set attribute. + (set_got_version, update_got_version): New patterns. + +2008-01-26 Danny Smith <dannysmith@users.sourceforge.net> + + PR target/34970 + * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define. + +2008-01-25 Joseph Myers <joseph@codesourcery.com> + + PR other/31955 + * doc/install.texi2html: Generate gcc-vers.texi. + +2008-01-25 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. + +2008-01-25 Joseph Myers <joseph@codesourcery.com> + + * config/c4x: Remove directory. + * config.gcc (crx-*, mt-*): Mark obsolete. + (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*, + h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*, + sh-*-rtemscoff*): Remove cases. + * defaults.h (C4X_FLOAT_FORMAT): Remove. + * real.c (encode_c4x_single, decode_c4x_single, + encode_c4x_extended, decode_c4x_extended, c4x_single_format, + c4x_extended_format): Remove. + * real.h (c4x_single_format, c4x_extended_format): Remove. + * doc/extend.texi (interrupt, naked): Remove mention of attributes + on C4x. + (Pragmas): Remove comment about c4x pragmas. + * doc/install.texi (c4x): Remove target-specific instructions. + * doc/invoke.texi (TMS320C3x/C4x Options): Remove. + * doc/md.texi (Machine Constraints): Remove C4x documentation. + * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not + refer to C4x source files as examples. + (C4X_FLOAT_FORMAT): Remove documentation. + +2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (override_options): Reorder tests so that + flag_pic gets enabled for -msep-data. + +2008-01-25 Richard Guenther <rguenther@suse.de> + + PR middle-end/32244 + * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR + to its bitfield precision if required. + +2008-01-25 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/33880 + * tree-nested.c (walk_omp_for): New function. + (convert_nonlocal_reference, convert_local_reference): Call + walk_omp_for on OMP_FOR. + (convert_call_expr): Call walk_body on OMP_FOR's + OMP_FOR_PRE_INIT_BODY. + +2008-01-25 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34966 + * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but + default defs and PHI_NODEs we have to insert after the + defining statement. + +2008-01-24 Nick Clifton <nickc@redhat.com> + + * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD): + Provide a default definition. + (LIBGCC2_UNITS_PER_WORD): Likewise. + + * config/stormy16/stormy16.c: Include df.h for the prototype + for df_regs_ever_live_p. + (xstormy16_expand_builtin_va_start): Convert the stack offset + into a component_ref and then use POINTER_PLUS_EXPR to add it + to the incoming_virtual_args_rtx. + (xstormy16_gimplify_va_arg_expr): Rename to + xstormy16_gimplify_va_arg_expr. + Use POINTER_PLUS_EXPR when performing pointer arithmetic. + (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed + xstormy16_gimplify_va_arg_expr. + Fix up some formatting issues. + + * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand): + Move to predicates.md. + (xs_hi_general_operand): Likewise. + (xs_hi_nonmemory_operand): Likewise. + * config/stormy16/predicates.md: + (xstormy16_carry_plus_operand): New predicate. + (xs_hi_general_operand): New predicate. + (xs_hi_nonmemory_operand): New predicate. + * config/stormy16/stormy16-protos.h: + (xstormy16_carry_plus_operand): Delete prototype. + (xs_hi_general_operand): Likewise. + (xs_hi_nonmemory_operand): Likewise. + + * config/storm16/stormy16.md (addhi3): Remove earlyclobber + modifiers as they are no longer needed and they can trigger + reload spill failures. + + * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup + with a match_operand in order to help reload. + + * config/storm16/stormy16.md (movhi_internal): Replace 'r' + constraint with 'e' for the 8th alternative as this version of + the mov.w instruction only accepts the lower 8 registers. + +2008-01-25 Uros Bizjak <ubizjak@gmail.com> + + PR target/34856 + * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]: + Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant + vector elements. + +2008-01-25 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/33333 + * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY. + +2008-01-25 Golovanevsky Olga <olga@il.ibm.com> + + * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs): + New functions. + (remove_structure): Update allocations list before removing structure. + +2008-01-25 Golovanevsky Olga <olga@il.ibm.com> + + * ipa-struct-reorg.c (is_safe_cond_expr, + create_new_stmts_for_cond_expr): Use integer_zerop function, + that recognize not only zero-pointer, but zero-integer too. + +2008-01-25 Ben Elliston <bje@au.ibm.com> + + PR other/22232 + * fixproto: Escape "." in sed expression that strips leading "./". + +2008-01-24 H.J. Lu <hongjiu.lu@intel.com> + + PR driver/34904 + * gcc.c (SWITCH_OK): Removed. + (SWITCH_LIVE): Changed to bit. + (SWITCH_FALSE): Likewise. + (SWITCH_IGNORE): Likewise. + (switchstr): Change live_cond to unsigned int. + (process_command): Replace SWITCH_OK with 0. + (do_self_spec): Likewise. + (set_collect_gcc_options): Check the SWITCH_IGNORE bit. + (give_switch): Likewise. + (used_arg): Likewise. + (do_spec_1): Set the SWITCH_IGNORE bit. + (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE + bits. Set the SWITCH_LIVE bit. + +2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.h (MOVE_RATIO): Define new target macro. + +2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk> + + PR tree-optimization/34472 + * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA + parameter to a "bool *" and set *DATA to false if there is + an unsafe access. Do not delete the structure here. + (check_cond_exprs): Delete it here instead. + (check_cond_exprs, exclude_cold_structs): Do not increase + I when removing a structure. + +2008-01-24 Uros Bizjak <ubizjak@gmail.com> + + PR target/34856 + * config/i386/i386.c (ix86_expand_vector_init): Consider only + CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements. + +2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com> + + PR middle-end/34934 + * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of + a fixed vector for stack. + +2008-01-24 Ben Elliston <bje@au.ibm.com> + + PR c++/25701 + * doc/gcc.texi (Software development): Add a direntry for g++. + +2008-01-23 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop + stale and straggling -fforce-addr comments above. + + * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't + define. + * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define. + * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define. + +2008-01-23 Michael Matz <matz@suse.de> + + PR debug/34895 + * dwarf2out.c (force_type_die): Use modified_type_die instead of + gen_type_die. + +2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com> + + * ipa-struct-reorg.c (create_new_malloc): Use pointer type as + malloc result type. + +2008-01-23 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_current_arch): New variable. + (avr_arch_types): Add 'avr31' and 'avr51' entries. + (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'. + (avr_mcu_types): Add 'avr31' and 'avr51' architectures. + (avr_override_options): Init 'avr_current_arch'. + (base_arch_s): Move from here... + * config/avr/avr.h (base_arch_s): ... here. Add new members + 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename + 'mega' to 'have_jmp_call'. + (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", + "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__" + macros. + (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' + architectures. + * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, + MULTILIB_MATCHES): (Ditto.). + +2008-01-23 Richard Guenther <rguenther@suse.de> + + PR middle-end/31529 + * cgraphunit.c (cgraph_reset_node): Always mark the node + not reachable if it is not queued already. + +2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros. + * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere. + (cputype_selected): New static variable. + (bfin_handle_option): Set it if -mcpu is used. + (override_option): Select default set of workarounds if no cpu type + selected on the command line. + (workaround_rts_anomaly): Only run if ENABLE_WA_RETS. + + From Michael Frysinger <michael.frysinger@analog.com> + * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add + BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526. + + * config/bfin/elf.h (LIB_SPEC): Use proper linker script + for bf547, bf523, bf524, and bf526. + * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and + bf526. + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define + __ADSPBF523__ for bf523, __ADSPBF524__ for bf524, + __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as + __ADSPBF547__ and __ADSPBF54x__ for bf547. + * doc/invoke.texi (Blackfin Options): Document that + -mcpu now accept bf547, bf523, bf524, and bf526. + +2008-01-22 Eric Botcazou <ebotcazou@adacore.com> + + PR rtl-optimization/34628 + * combine.c (try_combine): Stop and undo after the first combination + if an autoincrement side-effect on the first insn has effectively + been lost. + +2008-01-22 David Edelsohn <edelsohn@gnu.org> + + PR target/34529 + * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p): + Offset addresses are not valid for Altivec or paired float modes. + +2008-01-22 Jakub Jelinek <jakub@redhat.com> + + PR c++/34607 + * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for + if DECL_INITIAL (decl) is error_mark_node. + + PR c++/34914 + * c-common.c (handle_vector_size_attribute): Only allow + integral, scalar float and fixed point types. Handle OFFSET_TYPE + the same way as pointer, array etc. types. + * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE. + + PR c++/34917 + * tree.c (build_type_attribute_qual_variant): Call + build_qualified_type if attributes are equal, but quals are not. + +2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR 32102 + * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1. + * flags.h (warn_strict_aliasing): Remove. + (warn_strict_overflow): Remove. + * opts.c (warn_strict_aliasing): Remove. + (warn_strict_overflow): Remove. + * c-opts.c (c_common_handle_option): -Wall only sets + -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized. + (c_common_post_options): Give default values to -Wstrict-aliasing + and -Wstrict-overflow if they are uninitialized. + * common.opt (Wstrict-aliasing): Specify Var and Init. + (Wstrict-overflow): Likewise. + +2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR rtl-optimization/26854 + PR rtl-optimization/34400 + PR rtl-optimization/34884 + * ddg.c (create_ddg_dep_from_intra_loop_link): Use + DF_RD->gen. + * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted + (df_rd_bb_info.expanded_lr_out): Deleted + * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag. + * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c + (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n, + df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free): + Removed code to allocate, initialize or free expanded_lr_out. + (df_rd_bb_local_compute_process_def): Restructured to make more + understandable. + (df_rd_confluence_n): Removed code to no apply invalidate_by_call + sets if the sets are being trimmed. + +2008-01-22 H.J. Lu <hongjiu.lu@intel.com> + + PR bootstrap/32287 + * configure.ac (ld_vers): Support GNU linker version xx.xx.* + (as_vers): Likewise. + * configure: Regenerated. + +2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR middle-end/33092 + * tree-pass.h (pass_build_alias): New pass. + * tree-ssa-alias.c (gate_build_alias): New. + (pass_build_alias): New. + * passes.c (init_optimization_passes): Add pass_build_alias after + pass_create_structure_vars. + +2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com> + + * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER): + Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER. + (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to + S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER. + (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to + S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER. + (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to + S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER. + (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant. + (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant. + (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant. + (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant. + * config/s390/s390.md (FP_ALL): New mode iterator. + (_d): New mode attribute. + ("*signbit<mode>2>"): Changed mode of first operand. + ("isinf<mode>2"): Changed mode of first operand. + ("*TDC_insn"): Adaptation for DFP modes. + +2008-01-22 Ben Elliston <bje@au.ibm.com> + + * tree.c (check_qualified_type): Improve function description. + +2008-01-21 Jason Merrill <jason@redhat.com> + + PR c++/34196 + * tree.h (TRY_CATCH_IS_CLEANUP): New macro. + * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR + if it is set. + +2008-01-21 DJ Delorie <dj@redhat.com> + + * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not + return zero. + +2008-01-21 Richard Guenther <rguenther@suse.de> + + PR middle-end/34856 + * tree-cfg.c (verify_expr): Allow all invariant expressions + instead of just constant class ones as reference argument. + * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR + like any other constant. + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise. + +2008-01-21 H.J. Lu <hongjiu.lu@intel.com> + + * regmove.c (fixup_match_1): Update call crossed frequencies. + +2008-01-21 Richard Guenther <rguenther@suse.de> + + PR c/34885 + * tree-inline.c (setup_one_parameter): Deal with mismatched + types using a VIEW_CONVERT_EXPR. + +2008-01-21 Alon Dayan <alond@il.ibm.com> + Olga Golovanevsky <olga@il.ibm.com> + + PR tree-optimization/34701 + * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation + when the structure size is not a power of 2. + +2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com> + + * doc/install.texi: Add doc for --enable-checking=df. + +2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org> + + PR rtl-optimization/34808 + * emit-rtl.c (try_split): Handle REG_RETVAL notes. + +2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk> + + * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per + input. + +2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR rtl-optimization/26854 + PR rtl-optimization/34400 + * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use + DF_RD->gen. + * df.h (df_changeable_flags.DF_RD_NO_TRIM): New. + (df_rd_bb_info.expanded_lr_out): New. + * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag. + * loop_iv.c (iv_analysis_loop_init): Ditto. + * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n, + df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free): + Added code to allocate, initialize or free expanded_lr_out. + (df_rd_bb_local_compute_process_def): Restructured to make + more understandable. + (df_rd_confluence_n): Add code to do nothing with fake edges and + code to no apply invalidate_by_call sets if the sets are being trimmed. + (df_lr_local_finalize): Renamed to df_lr_finalize. + (df_live_local_finalize): Renamed to df_live_finalize. + +2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk> + + PR target/34831 + * config/mips/mips.md (div<mode>3): Use <recip_condition> when + deciding whether to use reciprocal instructions. + +2008-01-19 Uros Bizjak <ubizjak@gmail.com> + + * dwarf2out.c (dwarf2out_switch_text_section): Do not call + dwarf2out_note_section_used if cold_text_section is NULL. + +2008-01-19 Jakub Jelinek <jakub@redhat.com> + + PR gcov-profile/34610 + * tree-cfg.c (make_edges): Mark both outgoing edges from + OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL. + * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits + from OMP_FOR and OMP_CONTINUE outgoing edges. + + * tree-profile.c (tree_profiling): Return early if + cfun->after_tree_profile != 0. Set cfun->after_tree_profile + at the end. + * omp-low.c (expand_omp_parallel): Copy after_tree_profile + from cfun to child_cfun. + * function.h (struct function): Add after_tree_profile bit. + +2008-01-19 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.S (_exit): Disable interrupt. + +2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com> + Steven Bosscher <stevenb.gcc@gmail.com> + + PR rtl-optimization/26854 + PR rtl-optimization/34400 + * df-problems.c (df_live_scratch): New scratch bitmap. + (df_live_alloc): Allocate df_live_scratch when doing df_live. + (df_live_reset): Clear the proper bitmaps. + (df_live_bb_local_compute): Only process the artificial defs once + since the order is not important. + (df_live_init): Init the df_live sets only with the variables + found live by df_lr. + (df_live_transfer_function): Use the df_lr sets to prune the + df_live sets as they are being computed. + (df_live_free): Free df_live_scratch. + +2008-01-18 Ian Lance Taylor <iant@google.com> + + * common.opt: Add fmerge-debug-strings. + * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test + flag_merge_debug_strings rather than flag_merge_constants. + * doc/invoke.texi (Option Summary): Mention + -fmerge-debug-strings. + (Debugging Options): Document -fmerge-debug-strings. + +2008-01-18 Ian Lance Taylor <iant@google.com> + + PR c++/33407 + * tree.h (DECL_IS_OPERATOR_NEW): Define. + (struct tree_function_decl): Add new field operator_new_flag. + * tree-inline.c (expand_call_inline): When inlining a call to + operator new, force the return value to go into a variable, and + set DECL_NO_TBAA_P on that variable. + * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag. + +2008-01-18 Uros Bizjak <ubizjak@gmail.com> + + PR debug/34484 + * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with + DWARF2_DEBUGGING_INFO. + (dwarf2out_note_section_used): Ditto. Add prototype. + (have_multiple_function_sections, text_section_used, + cold_text_section_used, *cold_text_sections): Move declarations + before their uses. + +2008-01-17 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc + field and add signal_ra. + * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove + assignments to frame state pc. Move end of stack check after + MD_FALLBACK_FRAME_STATE_FOR. + (uw_update_context_1): Use frame state signal_regs if set, instead + of checking signal_frame flag. + (uw_update_context): Use frame state signal_ra if set. + * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define. + * config/xtensa/linux-unwind.h: New file. + +2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org> + + * modulo-sched.c (get_sched_window): Fix comment typo. + +2008-01-17 Andrew MacLeod <amacleod@redhat.com> + + PR tree-optimization/34648 + * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying. + +2008-01-17 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around. + * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add. + +2008-01-17 Seongbae Park <seongbae.park@gmail.com> + + PR rtl-optimization/34400 + * df-core.c (df_worklist_dataflow_overeager, + df_worklist_dataflow_doublequeue): New functions. + (df_worklist_dataflow): Two different worklist solvers. + * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR): + New param. + +2008-01-16 Sebastian Pop <sebastian.pop@amd.com> + + PR testsuite/34821 + * doc/invoke.texi: Document the dependence on pthread for fopenmp + and ftree-parallelize-loops. + +2008-01-17 Mircea Namolaru <namolaru@il.ibm.com> + + PR rtl-optimization/34826 + * loop-doloop (doloop_modify): Update the REG_BR_PROB note. + +2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com> + + * global.c (find_reg): Mark the eh regs as used if necessary. + * ra-conflict.c (global_conflicts): Set no_eh_reg flag. + * ra.h (struct allocno): no_eh_reg field added. Changed + no_stack_reg type to bitfield. + +2008-01-17 Eric Botcazou <ebotcazou@adacore.com> + + * tree.c (substitute_in_expr): Add missing 'break'. + +2008-01-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34825 + * tree-ssa-math-opts.c (is_division_by): Do not recognize + x / x as division to handle. + +2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or + "-pthread" is specified. + * pa-hpux11.h (LIB_SPEC): Likewise. + +2008-01-16 Janis Johnson <janis187@us.ibm.com> + Peter Bergner <bergner@vnet.ibm.com> + + PR rtl-optimization/33796 + * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc. + +2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR libgfortran/34699 + * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on + static links. + * pa-hpux10.h (LINK_SPEC): Likewise. + * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1. + +2008-01-16 Richard Guenther <rguenther@suse.de> + + PR middle-end/32628 + * fold-const.c (fold_convert_const_int_from_int): Do not + set overflow if that occured only because of a sign extension + change when converting from/to a sizetype with the same + precision and signedness. + +2008-01-16 Uros Bizjak <ubizjak@gmail.com> + + PR debug/34249 + * dwarf2out.c (output_call_frame_info): Move output of FDE initial + location address to the correct place. Update copyright year. + +2008-01-16 Sebastian Pop <sebastian.pop@amd.com> + + * lambda-code.c (lambda_transform_legal_p): Handle the case of + no dependences in the dependence_relations vector. + +2008-01-16 Jan Hubicka <jh@suse.cz> + + PR rtl-optimization/31396 + * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED. + * cfg.c (dump_reg_info): Print it. + * regs.h (struct reg_info_t): add freq_calls_crossed. + (REG_FREQ_CALLS_CROSSED): New macro. + * global.c (global_alloc): Compute freq_calls_crossed for allocno. + (find_reg): Update call of CALLER_SAVE_PROFITABLE. + * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2, + regmove_optimize): Update call crossed frequencies. + * local-alloc.c (struct qty): Add freq_calls_crossed. + (alloc_qty): Copute freq_calls_crossed. + (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED. + (find_free_reg): Update call of CALLER_SAVE_PROFITABLE. + * ra.h (struct allocno): Add freq_calls_crossed. + +2008-01-16 Sebastian Pop <sebastian.pop@amd.com> + + * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for + libgomp when compiling with ftree-parallelize-loops. + (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops. + +2008-01-16 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34769 + * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458. + * tree.c (int_cst_value): Instead make this function more + permissive in what it accepts as valid input. Document this + function always sign-extends the value. + +2008-01-16 Jakub Jelinek <jakub@redhat.com> + Richard Guenther <rguenther@suse.de> + + PR c/34668 + * gimplify.c (fold_indirect_ref_rhs): Rename to ... + (gimple_fold_indirect_ref_rhs): ... this. + (gimple_fold_indirect_ref): New function with foldings + that preserve lvalueness. + (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs. + * tree-flow.h (gimple_fold_indirect_ref): Declare. + * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref + to fold an INDIRECT_REF, fall back to the old use of + fold_indirect_ref_1. + +2008-01-16 Sebastian Pop <sebastian.pop@amd.com> + + * tree-data-ref.c (subscript_dependence_tester_1): Call + free_conflict_function. + (compute_self_dependence): Same. + +2008-01-16 Uros Bizjak <ubizjak@gmail.com> + + PR debug/34249 + * debug.h (dwarf2out_switch_text_section): Move declaration from ... + * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make + function global. + * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]: + Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section + for DWARF2_UNWIND_INFO targets. + +2008-01-16 Richard Guenther <rguenther@suse.de> + + PR c/34768 + * c-typeck.c (common_pointer_type): Do not merge inconsistent + type qualifiers for function types. + +2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for + loop_iterator li from previous commit. + +2008-01-15 Sebastian Pop <sebastian.pop@amd.com> + + * tree-parloops.c (gen_parallel_loop): Free loop bound estimations. + +2008-01-12 Sebastian Pop <sebastian.pop@amd.com> + + * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New. + (parallelize_loops): Don't parallelize irreducible components. + +2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c++/24924 + * c-opts (c_common_post_options): Do not enable CPP + flag_pedantic_errors by default. + +2008-01-14 Eric Botcazou <ebotcazou@adacore.com> + + PR rtl-optimization/31944 + * cse.c (remove_pseudo_from_table): New function. + (merge_equiv_classes): Use above function to remove pseudo-registers. + (invalidate): Likewise. + +2008-01-13 Richard Guenther <rguenther@suse.de> + + PR middle-end/34601 + * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE + instead of TYPE_MODE to deal with calls from expand_one_error_var. + +2008-01-13 Uros Bizjak <ubizjak@gmail.com> + + * gcse.c (cprop_jump): Call validate_unshare_change instead of + validate_change to unshare the source of the PC set. + +2008-01-12 Jan Hubicka <jh@suse.cz> + + PR middle-end/32135 + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct + references above array bounds. This might trigger bounds checks for + pointers to arrays. + +2008-01-12 Sebastian Pop <sebastian.pop@amd.com> + + * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and + new_replaceable_dependencies. + +2008-01-12 Doug Kwan <dougkwan@google.com> + + * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers + instead of OPT_Wreturn_type in warning due to ignored return type + qualifiers. + * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to + options included in -Wextra. + * c.opt: New option -Wignored_qualifiers. + * doc/invoke.texi (Warning Options, -Wextra): Add new option + -Wignore_qualifiers. + (-Wignored-qualifiers): Document. + (-Wreturn-type): Remove description of functionality now handled + by -Wignored-qualifiers. + +2008-01-12 Eric Botcazou <ebotcazou@adacore.com> + + PR ada/33788 + * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing + NOP_EXPR if it is between integral types with the same precision. + +2008-01-12 Jan Hubicka <jh@suse.cz> + + PR other/28023 + * invoke.texi (max-inline-recursive-depth): Fix default value. + +2008-01-12 Zdenek Dvorak <ook@ucw.cz> + + * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the + correct type. + +2008-01-11 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (override_options): Set flag_shlib. + +2008-01-11 James E. Wilson <wilson@specifix.com> + + PR target/26015 + * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define. + +2008-01-11 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (expand_prologue, expand_epilogue): Don't + save/restore frame pointer register and don't use 'call-prologues' + optimization in function with "OS_task" attribute. + +2008-01-11 Eric Botcazou <ebotcazou@adacore.com> + + PR middle-end/31309 + * expr.c (copy_blkmode_from_reg): Use a mode suited to the size + when copying to memory. + +2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com> + + PR rtl-optimization/30905 + * cfgcleanup.c: Include dce.h + (crossjumps_occured): New global variable. + (try_crossjump_bb): Exit loop after finding a fallthru edge. + If something changed, set crossjumps_occured to true. + (try_optimize_cfg): Clear crossjumps_occured at the beginning. + Don't add/remove fake edges to exit here... + (cleanup_cfg): ...but do it here, when crossjumping. + Run a fast DCE when successful crossjumps occured in the latest + iteration of try_optimize_cfg. + +2008-01-11 Richard Guenther <rguenther@suse.de> + + * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode. + (struct vn_unary_op_s): Likewise. + (vn_reference_insert): Free old reference on hash collision. + +2008-01-10 Raksit Ashok <raksit@google.com> + + PR rtl-optimization/27971 + * combine.c (find_split_point): Split PLUS expressions which are + inside a MEM rtx, and whose first operand is complex. + +2008-01-10 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from... + (m32c_hard_regno_nregs): ...this, which is now a wrapper. + (m32c_hard_regno_ok): Call the underlying function. + +2008-01-10 Richard Guenther <rguenther@suse.de> + + PR middle-end/34683 + * tree-cfg.c (tree_merge_blocks): Do not go through the + full-blown folding and stmt updating path if we just deal + with virtual operands. + * tree-ssa-copy.c (may_propagate_copy): Do not short-cut + test for abnormal SSA_NAMEs. + +2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com> + + PR middle-end/34641 + * reload.c (push_reload): Add assertions. All constants from + reg_equiv_constant should have been used for replacing the respective + pseudo earlier. + (find_reloads_address): Invoke find_reloads_address_part for + constant taken from the reg_equiv_constant array. + +2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com> + + * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed + field (valnum) the first in the struct. Replace bools with + unit bit fields. + +2008-01-10 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34651 + * tree-sra.c (sra_build_assignment): Sanitize. Use the correct + types and ordering for masking and converting. + +2008-01-09 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/34017 + * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code + also for PHI_NODE expressions. + +2008-01-09 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/34708 + * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR + based on number of case labels. + (init_inline_once): Remove switch_cost. + * tree-inline.h (eni_weights_d): Remove switch_cost. + +2008-01-09 Richard Guenther <rguenther@suse.de> + Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/30132 + * gimplify.c (gimplify_cond_expr): Do not create an addressable + temporary if an rvalue is ok or an lvalue is not required. + +2008-01-09 Richard Guenther <rguenther@suse.de> + + PR middle-end/34458 + * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst, + adjust return type. + +2008-01-09 Richard Guenther <rguenther@suse.de> + + PR middle-end/34679 + * tree.c (host_integerp): Check for sizetype only if the + type is an integer type. + +2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com> + + PR debug/26364 + * opts.c (decode_options): Disable inlining of functions called + once if not in unit-at-a-time mode. + +2008-01-09 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency. + +2008-01-08 Richard Guenther <rguenther@suse.de> + + PR middle-end/31863 + * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail + out early if the result will be unused. + +2008-01-08 Uros Bizjak <ubizjak@gmail.com> + + PR target/34709 + Revert: + + 2008-01-05 Uros Bizjak <ubizjak@gmail.com> + * config/i386/i386.c (ix86_builtin_reciprocal): Remove check + for TARGET_RECIP. + +2008-01-08 Jan Sjodin <jan.sjodin@amd.com> + + * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs + for vectorization tuned. + +2008-01-08 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34683 + * tree-ssa-operands.c (operand_build_cmp): Export. + * tree-ssa-operands.h (operand_build_cmp): Declare. + * tree-vn.c (vuses_compare): Remove. + (sort_vuses): Use operand_build_cmp. + (sort_vuses_heap): Likewise. + * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc + to re-use old VEC if available. Do not sort already sorted VUSEs. + (vdefs_to_vec): Do not sort already sorted VDEFs. + +2008-01-08 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/34694 + * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION. + +2008-01-08 Uros Bizjak <ubizjak@gmail.com> + + PR target/34702 + * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document + limitations of reciprocal sequences on x86 targets. + +2008-01-08 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34683 + * tree-flow-inline.h (var_ann): Remove overzealous asserts. + +2008-01-07 Jakub Jelinek <jakub@redhat.com> + + PR target/34622 + * config/darwin.c (darwin_mergeable_string_section): Don't use + .cstring if int_size_in_bytes != TREE_STRING_LENGTH. + +2008-01-07 Uros Bizjak <ubizjak@gmail.com> + + PR target/34682 + * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and + negxf2. Macroize expander using X87MODEF mode iterator. Change + predicates of op0 and op1 to register_operand. + (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize + expander using X87MODEF mode iterator. Change predicates of + op0 and op1 to register_operand. + ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from + corresponding patterns and macroize using MODEF macro. Change + predicates of op0 and op1 to register_operand and remove + "m" constraint. Disparage "r" alternative with "!". + ("*absneg<mode>2_i387"): Rename from corresponding patterns and + macroize using X87MODEF macro. Change predicates of op0 and op1 + to register_operand and remove "m" constraint. Disparage "r" + alternative with "!". + (absneg splitter with memory operands): Remove. + ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding + patterns and macroize using X87MODEF mode iterator. + * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2): + Change predicate of op1 to register_operand. + * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support + for memory operands. + +2008-01-07 Nathan Froyd <froydnj@codesourcery.com> + + * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548. + +2008-01-07 Richard Guenther <rguenther@suse.de> + + * basic-block.h (struct edge_def): Pair dest_idx with goto_locus + fields. + +2008-01-07 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/34683 + * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of + VOPs of the needed size to save memory. Use VEC_quick_push + to save compile-time. + (vdefs_to_vec): Likewise. + +2008-01-07 Sa Liu <saliu@de.ibm.com> + + * config/spu/spu.md (divdf3): Genetate inline code for double + division. The implementation doesn't handle INF or NAN, therefore it + only applies when -ffinite-math-only is given. + +2008-01-06 Paolo Carlini <pcarlini@suse.de> + + PR libstdc++/34680 + * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate. + * doc/cpp.texi ([Common Predefined Macros]): Document. + +2008-01-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in + order to use commutative addition instead of subtraction. + +2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com> + Mircea Namolaru <namolaru@il.ibm.com> + Vladimir Yanovsky <yanov@il.ibm.com> + Revital Eres <eres@il.ibm.com> + + PR tree-optimization/34263 + * tree-outof-ssa.c (process_single_block_loop_latch, + contains_tree_r): New functions. + (analyze_edges_for_bb): Call process_single_block_loop_latch + function to empty single-basic-block latch block if possible. + +2008-01-05 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_builtin_reciprocal): Remove check + for TARGET_RECIP. + (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion. + +2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk> + + * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR. + +2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check. + +2008-01-05 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/34618 + * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P + flag from T. + +2008-01-05 Uros Bizjak <ubizjak@gmail.com> + + PR target/34673 + * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands + in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check. + Update copyright year. + + * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH. + Update copyright year. + * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand + using NR fixup. + +2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org> + + * tree-vrp.c (find_conditional_asserts): Remove redundant check that + edge does not point to current bb before changing need_assert. + +2008-01-04 Richard Guenther <rguenther@suse.de> + + PR middle-end/34029 + * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs + for verifying purposes if they are is_gimple_min_invariant. + +2008-01-04 Aldy Hernandez <aldyh@redhat.com> + + PR tree-optimization/34448 + PR tree-optimization/34465 + * gimplify.c (gimplify_init_constructor): Add new parameter + notify_temp_creation. Use it. + (gimplify_modify_expr_rhs): Take volatiles into account when + optimizing constructors. + Do not optimize constructors if gimplify_init_constructor will dump to + memory. + * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles. + * gcc.c-torture/compile/pr34448.c: New. + +2008-01-04 Jakub Jelinek <jakub@redhat.com> + + PR gcov-profile/34609 + * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on + return_slot if result is TREE_ADDRESSABLE. + +2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk> + + * config/mips/mips.md (sqrt_condition): Tweak comment. + (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode. + +2008-01-03 Tom Tromey <tromey@redhat.com> + + PR c/34457 + * c-common.c (c_type_hash): Handle VLAs. + +2008-01-03 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/31081 + * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to + 0 when inlining and not inlining to first basic block. + (remap_decl): When var is initialized to 0, don't set default_def. + (expand_call_inline): Set entry_bb. + * tree-inline.h (copy_body_data): Add entry_bb. + +2008-01-03 Jakub Jelinek <jakub@redhat.com> + + PR c++/34619 + * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL + before returning. + + PR tree-optimization/29484 + * tree-inline.c (inline_forbidden_p_2): New function. + (inline_forbidden_p): Disallow inlining if some static var + has an address of a local LABEL_DECL in its initializer. + * doc/extend.texi (Labels as Values): Document &&foo behaviour + vs. inlining. + +2008-01-03 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/34635 + * tree-data-ref.c (add_other_self_distances): Make sure that the + evolution step is constant. + +2008-01-03 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/34608 + * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn. + +2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk> + + * tree-sra.c (scalarize_init): Insert the generate_element_init + statements after the generate_element_zero statements. + +2008-01-02 Richard Guenther <rguenther@suse.de> + + PR middle-end/34093 + PR middle-end/31976 + * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer + for very large number of operands instead of ICEing. + +2008-01-02 Arthur Norman <acn1@cam.ac.uk> + + PR target/34013 + * config/i386/i386.c (ix86_expand_prologue): Save red-zone + while stack probing. + +2008-01-01 Douglas Gregor <doug.gregor@gmail.com> + + * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when + in C++0x mode. + +2008-01-01 Volker Reichelt <v.reichelt@netcologne.de> + + PR libmudflap/26442 + * tree-mudflap.c (mx_register_decls): Guard warning by + !DECL_ARTIFICIAL check. + +2008-01-01 Jakub Jelinek <jakub@redhat.com> + + * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si, + sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi, + sse5_perm<mode>): Fix constraints. |