X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2FChangeLog;h=45d009db9e5bad9164a46e3067b718e6ba9397a8;hp=76b69f5711852c68d4581533ebe196bd073e2c9b;hb=b6c1bd727a489a6b86c231d03211065cf877e01d;hpb=ede90cc2e79b5d08a9ead8bc3ed1d462b8707930 diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 76b69f57118..45d009db9e5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,671 @@ +2007-03-13 Alexandre Oliva + + * flags.h (flag_random_seed): Remove declaration, in favor of... + * toplev.h (get_random_seed, set_random_seed): ... these. + * tree.c (get_file_function_name): Use the former. + * opts.c (common_handle_option): Use the latter. + * toplev.c + +2007-03-13 Steven Bosscher + + PR middle-end/31127 + * cse.c (cse_find_path): Do not bail out if a basic block that + we already visited now becomes part of a path that starts at a + different basic block. Just disallow this, to make sure we + visit each basic block at most once. + +2007-03-13 Jan Hubicka + + * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes, + when profile esitmate is present, calls with very low frequency are + cold. + +2007-03-13 Zdenek Dvorak + + PR tree-optimization/30730 + PR tree-optimization/26900 + * tree-ssa-loop-niter.c: Include gmp.h. + (bounds): New type. + (mpz_set_double_int, get_type_bounds, mpz_to_double_int, + split_to_var_and_offset, determine_value_range, + bound_difference_of_offsetted_base, refine_bounds_using_guard, + bound_difference, bounds_add, bounds_negate, + number_of_iterations_ne_max, dump_affine_iv): New functions. + (number_of_iterations_ne, number_of_iterations_lt_to_ne, + assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the + difference of initial and final value of control iv to validate + results. + (number_of_iterations_cond): Add loop parameter. Determine bounds + on the difference of the extremes of the control iv. Add dumps. + (expand_simple_operations): Handle phi nodes. + (simplify_using_initial_conditions): Do not record used conditions. + (number_of_iterations_exit): Pass loop to number_of_iterations_cond. + Do not set additional_info. + (implies_nonnegative_p, implies_ge_p): Removed. + (derive_constant_upper_bound): Do not use parameter `additional'. + (record_estimate): Parameter `additional' removed. Parameter + `i_bound' added. Do not call derive_constant_upper_bound. + (record_nonwrapping_iv): Use derive_constant_upper_bound to + bound the number of iterations estimate. + (estimate_numbers_of_iterations_loop): Pass the estimate from + the number of iterations analysis to record_estimate. + * tree.h (multiple_of_p): Declare. + * tree-scalar-evolution.c (expression_expensive_p): Removed. + (scev_const_prop): Do not check expression_expensive_p. + * fold-const.c (multiple_of_p): Exported. + * double-int.c (double_int_mask): Exported. + * double-int.h (double_int_mask): Declare. + * tree-flow.h (struct tree_niter_desc): Removed additional_info + field. Added max field. + +2007-03-13 David Taylor + + PR driver/12448: + * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass + default -MQ. + +2007-03-13 John David Anglin + + PR target/31123 + * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for + two unamed patterns. + +2007-03-13 Uros Bizjak + + * config/i386/i386.opt (mcx16, msahf): New options. + * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove. + (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC. + + * config/i386/driver-i386.c (bit_LAHF_LM): New define. + (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits. + Output -mcx16 and -msahf options when corresponding bit is set. + + * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16 + and -msahf options. + +2007-03-13 Alexandre Oliva + + * configure.ac: Test for assembler tolerance to # 0 "". + * configure, config.in: Rebuilt. + * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO. + +2007-03-13 Geoffrey Keating + + * doc/invoke.texi (Spec Files): Update for '%{,' spec. + + * config/rs6000/darwin-fallback.c: Compile file only on powerpc. + (handle_syscall): Handle direct system calls. + * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete. + +2007-03-12 Brooks Moses + + * doc/invoke.texi: Fix cpp.info cross-reference. + * doc/passes.texi: Fix gcc.info cross-reference. + +2007-03-12 Zdenek Dvorak + + PR tree-optimization/30835 + * lambda-code.c (can_convert_to_perfect_nest): Check whether + bb_for_stmt is not NULL before accessing it. + +2007-03-12 Joseph Myers + + * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for + some multilibs. + +2007-03-12 Brooks Moses + + PR 30635 + * doc/install.texi: Document --enable-stage1-languages + +2007-03-12 Steven Bosscher + + * tree-pass.h (pass_into_cfg_layout_mode, + pass_outof_cfg_layout_mode): Declare. + * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode, + pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New. + * passes.c (pass_into_cfg_layout_mode): Schedule before jump2. + (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt. + +2007-03-12 Seongbae Park + + * c-decl.c (warn_variable_length_array): New function. + Refactored from grokdeclarator to handle warn_vla + and handle unnamed array case. + (grokdeclarator): Refactored VLA warning case. + * c.opt (Wvla): New flag. + * doc/invoke.texi (Wvla): New warning. + +2007-03-12 Richard Henderson + + * config/alpha/alpha.c (alpha_elf_section_type_flags): New. + (TARGET_SECTION_TYPE_FLAGS): New. + +2007-03-12 Richard Henderson + + * config/darwin.c (machopic_reloc_rw_mask): New. + * config/darwin-protos.h (machopic_reloc_rw_mask): Declare. + * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New. + +2007-03-12 Mark Mitchell + + * cppdefault.c (cpp_EXEC_PREFIX): New variable. + * cppdefault.h (cpp_PREFIX): Document. + (cpp_PREFIX_len): Likewise. + (cpp_EXEC_PREFIX): New variable. + * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX. + * c-incpath.c (add_standard_paths): Correct logic for relocating + paths within prefix. + +2007-03-12 Uros Bizjak + + * config/i386/i386.md (fixuns_trunchi2): Implement from + fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF + mode macro. + (fix_truncdi_sse): Implement from fix_truncsfdi_sse and + fix_truncdfdi_sse using SSEMODEF mode macro. + (fix_truncsi_sse): Implement from fix_truncsfsi_sse and + fix_truncdfsi_sse using SSEMODEF mode macro. + (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro. + (fix_trunc?f?i_sse K8 peephole2): Fix register constraint. + +2007-03-12 Richard Sandiford + + * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add + elfos.h to tm_file. + +2007-03-12 Olga Golovanevsky + + * tree.h : Add multiple_of_p declaration. + * fold-const.c (multiple_of_p): Make multiple_of_p public. + * ipa-type-escape.c (results_of_malloc): Redundant. + (visited_stmts): New. Visited stmt for walk_use_def_chains. + (cast_type): Extended with new members. + (check_cast): Returns cast_type. + (cast): New structure for data of walk_use_def_chains. + (is_malloc_result, is_cast_from_non_pointer_1, + is_cast_from_non_pointer, + is_array_access_through_pointer_and_index): New functions. + (look_for_casts): Returns cast types. + (check_call): Returns void. + (okay_pointer_operation): Use support of pointer plus index, + pointer plus constant and allow all multiplications. + +2007-03-11 Richard Guenther + + PR tree-optimization/31115 + * tree-vrp.c (extract_range_from_binary_expr): Make sure + the shift count is positive and non-anti-range for RSHIFT_EXPR. + A shift count of zero is not special as with *_DIV_EXPR. + (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow + direction. + +2007-03-11 Ian Lance Taylor + + * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and + the *_DIV_EXPR codes correctly with overflow infinities. + +2007-03-11 Ira Rosen + + * tree-data-ref.c (analyze_offset): Add a return value (bool) to + indicate success/failure of the analysis. Add negation to subtrahend + in case of subtraction. Fail if both operands contain constants. + (create_data_ref): Fail if analyze_offset fails. + +2007-03-11 Uros Bizjak + + * config/i386/i386.md (frndintxf2): Rename to ... + (rintxf2): ... this. Remove expander having same name. + (rintsf2, rintdf2): Implement using SSEMODEF macro. + (roundsf2, rounddf2): Ditto. + (lrintdi2, lrintsi2): Implement using SSEMODEI24 macro. + (lrounddi2, lroundsi2): Ditto. + +2007-03-11 Steven Bosscher + + * lower-subreg.c: Include except.h. + (decompose_multiword_subregs): Verify that the only control flow + insns we can split are loads to multi-words pseudos. + Handle breaking such blocks after splitting, instead of calling + find_many_sub_basic_blocks. + + * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK + on the new basic block. Add a lengthy comment explaining why we + thought this was necessary. + * cfglayout.c (cfg_layout_finalize): Don't break superblocks. + +2007-03-10 Mark Mitchell + + PR c++/30924 + * tree.c (walk_type_fields): Recurse into the element type of + ARRAY_TYPEs if there is a pointer set. + +2007-03-10 Dirk Mueller + + * c-common.c (warn_logical_operator): Fix condition. + +2007-03-10 Tobias Schlüter + + * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing + quotation mark. + * config/darwin.c (machopic_select_section): Remove superfluous + argument in call to categorize_decl_for_section. Remove unused + variable shlib. + +2007-03-10 Joseph Myers + + * configure.ac (glibc_header_dir): Set using with_build_sysroot if + defined. + * configure: Regenerate. + +2007-03-10 Uros Bizjak + + PR target/31101 + * config/i386/i386.md (UNSPEC_C2_FLAG): New constant. + (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG. + (fmodxf3, fmod3, remainderxf3, remainder3): + Add LABEL_NUSES to emitted label. + * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add + branch probability value to emitted jump insn. + * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG. + Do not check life information and do not re-arrange input operands + for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U. + +2007-03-10 Kaz Kojima + + * config/sh/sh.c (sh_insn_length_adjustment): Adjust for + the change of decode_asm_operands. + +2007-03-10 Kaz Kojima + + * mode-switching.c (create_pre_exit): Skip blockage insn. + +2007-03-09 Diego Novillo + + * tree-pass.h (TODO_update_smt_usage): Remove. + Update all users. + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove + argument SOME. + Update all users. + +2007-03-09 John David Anglin + + * pa.c (attr_length_call): Revise condition for long pc-relative branch. + (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local + calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on + SOM target. + +2007-03-09 Geoffrey Keating + + * gcc.c: Document %{, in big comment at top. + (input_suffix_matches): Remove special handling for .s and + .S. + (input_spec_matches): New. + (handle_braces): Handle %{,. + (validate_switches): ',' indicates a value which is not a switch. + * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{. + to detect assembler input. + * config/i386/sol2.h (CPP_SPEC): Likewise. + * config/rs6000/sysv4.h (ASM_SPEC): Likewise. + * config/rs6000/vxworks.h (ASM_SPEC): Likewise. + * config/rs6000/lynx.h (ASM_SPEC): Likewise. + * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise. + * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus + -m64 causes deployment target to default to 10.5. + * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise. + +2007-03-09 Richard Henderson + + PR target/26090 + * target.h (targetm.asm.out.reloc_rw_mask): New. + * target-def.h (TARGET_ASM_RELOC_RW_MASK): New. + (TARGET_ASM_OUT): Use it. + * targhooks.c, targhooks.h (default_reloc_rw_mask): New. + * varasm.c (categorize_decl_for_section): Remove shlib argument; + use the new reloc_rw_mask target hook instead. + (default_section_type_flags_1): Merge into... + (default_section_type_flags): ... here. + (decl_readonly_section_1): Merge into... + (decl_readonly_section): ... here. + (default_elf_select_section_1): Merge into... + (default_elf_select_section): ... here. + (default_unique_section_1): Merge into... + (default_unique_section): ... here. + (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New. + (default_select_rtx_section): Use it. + (default_elf_select_rtx_section): Likewise. + * output.h: Update to match. + * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New. + * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New. + (TARGET_ASM_RELOC_RW_MASK): New. + * config/i386/i386.c (x86_64_elf_select_section): Adjust call + to categorize_decl_for_section. + (x86_64_elf_unique_section): Likewise. + * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION, + TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove. + (TARGET_ASM_RELOC_RW_MASK): New. + * config/ia64/ia64.c (ia64_rwreloc_select_section, + ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove. + (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New. + (TARGET_RWRELOC): Remove. + (ia64_section_type_flags): Adjust call to default_section_type_flags. + * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New. + * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove. + (rs6000_elf_select_section, rs6000_elf_unique_section): Remove. + (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New. + (rs6000_xcoff_select_section): Use decl_readonly_section. + (rs6000_xcoff_section_type_flags): Use default_section_type_flags. + * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New. + (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove. + (TARGET_SECTION_TYPE_FLAGS): Remove. + * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New. + +2007-03-09 Roger Sayle + + * fold-const.c (fold_comparison): Remove compile-time evaluation of + complex constant equality/inequality comparisons for here. + (fold_binary) : Simplify complex comparisons that are + known at compile-time or can be simplified to a scalar comparison. + (fold_relational_const): Move compile-time evaluation of complex + constant equality/inequality comparisons to here. + +2007-03-09 Alexandre Oliva + + PR rtl-optimization/30643 + * cse.c (cse_insn): Recompute dest_hash after insert_regs for + dest_addr_elt. + (fold_rtx): Recurse, like before 2006-11-03. + +2007-03-09 DJ Delorie + + * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to + m32c-pragma.o. + +2007-03-09 Aldy Hernandez + + PR tree-optimization/30375 + * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if + LHS of statements is not the same. + * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New. + +2007-03-09 Chao-ying Fu + + * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP + REV 2. + * doc/invoke.texi (-mdspr2): Document new option. + * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH): + New unspec for DSP REV 2. + (mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because + these instructions are extended in DSP REV 2. + (mips-dspr2.md): Include. + * config/mips/mips.opt (mdspr2): New option. + * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI, + MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI, + MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI. + (override_options): Check TARGET_DSPR2 to enable MASK_DSP. + (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3. + (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins. + (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1 + and 2 builtins. + (bdesc_map): Add one field of unsupported_target_flags. + (bdesc_arrays): Update entries to have extra fields. Add + dsp_32only_bdesc. + (mips_init_builtins): Initialize new function types. + Check unsupported_target_fileds to filter out builtins. + * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if + TARGET_DSPR2. + (ASM_SPEC): Pass mdspr2 to the assembler. + * config/mips/mips-dspr2.md: New file. + +2007-03-09 Sa Liu + + * config/rs6000/altivec.md: Fix vcond patterns using if_then_else. + +2007-03-09 Ian Lance Taylor + + * opts.c (common_handle_option): Treat -Wstrict-overflow (with no + argument) like -Wstrict-overflow=2. + * doc/invoke.texi (Warning Options): Update documentation. + +2007-03-09 Dirk Mueller + + PR c++/17946 + * doc/invoke.texi (-Wlogical-op): Document. + * common.opt (-Wlogical-op): New. + * c-common.h (warn_logical_operator): Declare. + * c-common.c (warn_logical_operator): Define. + * c-typeck.c (parser_build_binary_op): Call + warn_logical_operator. + +2007-03-09 Alexandre Oliva + + * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name. + * final.c (final_scan_insn): Test for non-"" file name. + +2007-03-09 Sebastian Pop + + * doc/loop.texi: Document the Omega linear constraints solver. + * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars, + omega-max-geqs, omega-max-eqs, omega-max-wild-cards, + omega-hash-table-size, omega-max-keys, and + omega-eliminate-redundant-constraints. + * tree-pass.h (pass_check_data_deps): Declared. + * omega.c: New. + * omega.h: New. + * timevar.def (TV_CHECK_DATA_DEPS): Declared. + * tree-ssa-loop.c (check_data_deps, gate_check_data_deps, + pass_check_data_deps): New. + * tree-data-ref.c (init_data_ref): Remove declaration. + (dump_data_dependence_relation): Dump DDR_INNER_LOOP. + (analyze_array): Renamed init_array_ref, move up initializations. + (init_data_ref): Renamed init_pointer_ref. Moved before its call. + Removed arguments that are set to NULL. + (analyze_indirect_ref): Correct indentation, correct call to + init_pointer_ref. + (object_analysis): Call init_array_ref instead of analyze_array. + (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP. + (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead + of DR_ACCESS_FNS_ADDR. + (init_omega_eq_with_af, omega_extract_distance_vectors, + omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr, + ddr_consistent_p): New. + (compute_affine_dependence): Check consistency of ddrs when + flag_check_data_deps is passed. + (analyze_all_data_dependences): Uncomment. + (tree_check_data_deps): New. + * tree-data-ref.h: Include omega.h. + (DR_ACCESS_FNS_ADDR): Removed. + (data_dependence_relation): Add inner_loop. + (DDR_INNER_LOOP): New. + * common.opt (fcheck-data-deps): New. + * tree-flow.h (tree_check_data_deps): Declare. + * Makefile.in (TREE_DATA_REF_H): Depend on omega.h. + (OBJS-common): Depend on omega.o. + (omega.o): Define. + * passes.c (pass_check_data_deps): Scheduled. + * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS, + PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS, + PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS, + PARAM_VECT_MAX_VERSION_CHECKS, + PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New. + +2007-03-09 Richard Guenther + + PR tree-optimization/30904 + PR middle-end/31058 + * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR + the same way as *_DIV_EXPR. + +2007-03-09 Alexandre Oliva + + * recog.c (decode_asm_operands): No mixed declarations and code. + +2007-03-09 Alexandre Oliva + + * rtl.def (ASM_INPUT): Add location. + * rtl.h (ASM_INPUT_SOURCE_LOCATION): New. + (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New. + (decode_asm_operands): Add loc operand. + (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define. + * stmt.c (expand_asm): Rename to... + (expand_asm_loc): ... this. Add locus argument. Pass it on to + gen_rtx_ASM_INPUT_loc. + (expand_asm_expr): Adjust. + * recog.c (decode_asm_operands): Add loc operand. + (check_asm_operands, extract_insn): Adjust. + * reload1.c (maybe_fix_stack_asms): Likewise. + * final.c (asm_insn_count): Likewise. + (final_scan_insn): Output # line before and after asm. + +2007-03-09 Daniel Berlin + + * tree-ssa-structalias.c (variable_info): Remove + finished_solution. + (new_var_info): Ditto. + (shared_bitmap_info_t): New structure. + (shared_bitmap_table): New variable. + (shared_bitmap_hash): New function. + (shared_bitmap_eq): Ditto + (shared_bitmap_lookup): Ditto. + (shared_bitmap_add): Ditto. + (merge_smts_into): Change to take bitmap directly. + (find_what_p_points_to): Rewrite to use shared bitmap hashtable. + (init_alias_vars): Init shared bitmap hashtable. + (delete_points_to_sets): Delete shared bitmap hashtable. + * tree-ssa-operands.c (add_virtual_operand): Partially revert the + is_aliased removal as a change that was still necessary was + deleted. + +2007-03-09 Uros Bizjak + + * config/i386/i386.h (override_options): Conditionally disable + x86_sahf for 64bit targets only. + +2007-03-08 Andrew Pinski + + PR C/31072 + * c-decl.c (merge_decls): Don't call make_var_volatile. + * varasm.c (make_var_volatile): Remove. + * output.h (make_var_volatile): Remove. + +2007-03-08 Zdenek Dvorak + + PR tree-optimization/31085 + * tree-ssa-address.c (create_mem_ref): Fix test of type of base. + +2007-03-08 Kaveh R. Ghazi + + * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl, + llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with + ATTR_CONST_NOTHROW_LIST. + + * fold-const.c (tree_expr_nonnegative_warnv_p): Handle + FIX_TRUNC_EXPR. + +2007-03-08 Diego Novillo + + * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF. + +2007-03-08 Geoffrey Keating + + PR 31013 + * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME + is declared. + * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is + passed, use shared libgcc. + +2007-03-08 Roger Sayle + + * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt + instead of calling build2 with a GIMPLE_MODIFY_STMT. + (honor_protect_cleanup_actions, lower_try_finally_switch): + Likewise. + * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt, + ifc_temp_var): Likewise. + * tree-inline.c (setup_one_parameter): Likewise. + * tree-mudflap.c (mf_decl_cache_locals, + mf_build_check_statement_for): Likewise. + * tree-nested.c (init_tmp_var, save_tmp_var, + finalize_nesting_tree_1): Likewise. + * tree-outof-ssa.c (insert_copy_on_edge, + insert_backedge_copies): Likewise. + * tree-profile.c (tree_gen_edge_profiler, + tree_gen_ic_profiler): Likewise. + * tree-scalar-evolution.c (scev_const_prop): Likewise. + * tree-sra.c (sra_build_assignment): Likewise. + * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise. + * tree-ssa-math-opts.c (insert_reciprocals, + execute_cse_sincos_1): Likewise. + * tree-tailcall.c (adjust_accumulator_values, + adjust_return_value): Likewise. + * tree-vect-patterns.c (vect_pattern_recog_1): Likewise. + * tree-vect-transform.c (vect_create_data_ref_ptr, + bump_vector_ptr, vect_init_vector, get_initial_def_for_induction, + vect_create_epilog_for_reduction, vectorizable_reduction, + vectorizable_call, vectorizable_conversion, + vectorizable_assignment, vectorizable_operation, + vectorizable_type_demotion, vect_gen_widened_results_half, + vect_permute_store_chain, vectorizable_store, + vect_setup_realignment, vect_permute_load_chain, + vectorizable_load, vectorizable_condition, + vect_create_cond_for_align_checks): Likewise. + * tree-vrp.c (build_assert_expr_for): Likewise. + +2007-03-08 Ian Lance Taylor + + * tree-vrp.c: Include "intl.h". + (usable_range_p): New static function. + (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for + overflowed values, juts set *strict_overflow_p. + (compare_values): Only return -2 if one of the operands is not a + constant. + (compare_ranges): Call usable_range_p. + (compare_range_with_value): Likewise. + (vrp_evaluate_conditional_warnv): Rename from + vrp_evaluate_conditional. Make static. Change all callers. + (vrp_evaluate_conditional): New function. + (simplify_div_or_mod_using_ranges): Issue warning about reliance + on signed overflow. + (simplify_abs_using_ranges): Likewise. + (simplify_stmt_for_jump_threading): Add within_stmt parameter. + * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add + within_stmt parameter. + * tree-ssa-propagate.c (fold_predicate_in): Update call to + vrp_evaluate_conditional. + * tree-ssa-threadedge.c + (record_temporary_equivalences_from_stmts_at_dest): Change + simplify parameter to take a second tree parameter. + (simplify_control_stmt_condition): Likewise. + (thread_across_edge): Likewise. + * tree-flow.h (vrp_evaluate_conditional): Update declaration. + (thread_across_edge): Likewise. + * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h. + +2007-03-08 Uros Bizjak + + * config/i386/i386.h (TARGET_SAHF): New define. + * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]: + Also enable for m_K8, m_AMDFAM10 and m_CORE2. + (x86_sahf): New global variable. + (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode + pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and + nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set + in processor flags. Do not unconditionally disable TARGET_USE_SAHF + for 64-bit. + (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF. + (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF + when expanding fcomi/sahf based tests. + (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when + expanding sahf based alternative. Emit sahf based sequence when + optimizing for code size. + * config/i386/i386.md (x86_sahf_1): Do not disable for + TARGET_64BIT, enable for TARGET_SAHF. + +2007-03-08 Martin Michlmayr + + * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove + spurious whitespace from error message. + 2007-03-08 Volker Reichelt PR c++/30852 @@ -173,10 +841,11 @@ x86_sse_unaligned_move_optimal, x86_sse_typeless_stores, x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec, x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit, - x86_schedule, x86_use_bt, x86_pad_returns): Merge into ... + x86_schedule, x86_use_bt, x86_pad_returns, + x86_use_xchgb): Merge into ... (ix86_tune_features): ... here. New array. - (x86_cmove, x86_use_xchgb, x86_cmpxchg, x86_cmpxchg8b, - x86_xadd, x86_bswap): Merge into ... + (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd, + x86_bswap): Merge into ... (ix86_arch_features): ... here. New array. (x86_3dnow_a): Remove. (x86_accumulate_outgoing_args): Make static. @@ -430,7 +1099,7 @@ 2007-03-05 Mike Stump - * c-common.c (targetcm): Add. + * c-common.c (targetcm): Add. * c-opts.c (c_common_handle_option): Handle language specific target options. * opts.c (handle_option): Verify language for target options, if @@ -500,7 +1169,7 @@ of comparison of non-null ADDR_EXPR against null. 2007-03-05 Richard Guenther - Dorit Nuzman + Dorit Nuzman PR tree-optimization/26420 * tree-vectorizer.c (vectorize_loops): Bail out early if there @@ -510,9 +1179,9 @@ 2007-03-05 Revital Eres - * gcc.dg/var-expand1.c: New test. - * loop-unroll.c (analyze_insn_to_expand_var): Add dump info - when an accumulator is expanded. + * gcc.dg/var-expand1.c: New test. + * loop-unroll.c (analyze_insn_to_expand_var): Add dump info + when an accumulator is expanded. 2007-03-04 Manuel Lopez-Ibanez