2010-06-05 Steven Bosscher * c-common.c: Move to c-family/. * c-common.def: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-dump.c: Likewise. * c-format.c: Likewise. * c-format.h : Likewise. * c-gimplify.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c.opt: Likewise. * c-opts.c: Likewise. * c-pch.c: Likewise. * c-ppoutput.c: Likewise. * c-pragma.c: Likewise. * c-pragma.h: Likewise. * c-pretty-print.c: Likewise. * c-pretty-print.h: Likewise. * c-semantics.c: Likewise. * stub-objc.c: Likewise. * gengtype.c (get_file_langdir): Special-case files in c-family/. (get_output_file_with_visibility): Fix name for c-common.h. * c-config-lang.in: Update paths in gtfiles for files in c-family/. * c-tree.h: Update include path for moved files. * c-lang.c: Likewise. * c-lang.h: Likewise. * c-parser.c: Likewise. * c-convert.c: Likewise. * c-decl.c: Likewise. * c-objc-common.c: Likewise. * configure.ac: Make sure c-family/ exists in the build directory. * configure: Regenerate. * Makefile.in: Update paths for moved files. Regroup files per location and update dependencies. Move generated_files down after ALL_GTFILES_H. * config/spu/spu-c.c: Update paths for moved files. * config/mep/mep-pragma.c: Likewise. * config/darwin-c.c: Likewise. * config/i386/msformat-c.c: Likewise. * config/i386/i386-c.c: Likewise. * config/avr/avr-c.c: Likewise. * config/sol2-c.c: Likewise. * config/ia64/ia64-c.c: Likewise. * config/rs6000/rs6000-c.c: Likewise. * config/arm/arm.c: Likewise. * config/arm/arm-c.c: Likewise. * config/h8300/h8300.c: Likewise. * config/v850/v850-c.c: Likewise. * config/t-darwin: Fix dependencies for moved files. * config/t-sol2: Fix dependencies for moved files. * config/mep/t-mep: Fix dependencies for moved files. * config/ia64/t-ia64: Fix dependencies for moved files. * config/rs6000/t-rs6000: Fix dependencies for moved files. * config/v850/t-v850: Fix dependencies for moved files. * config/v850/t-v850e: Fix dependencies for moved files. * config/m32c/m32c-pragma.c * po/exgettext: Look in c-family/ also. 2010-06-05 Eric Botcazou * tree-ssa-dce.c (mark_last_stmt_necessary): New function. (mark_control_dependent_edges_necessary): Call it instead of marking the last statement manually. (propagate_necessity): Likewise. 2010-06-05 Jan Hubicka * tree-into-ssa.c (insert_phi_nodes): Use bitmap heads for dominance frontiers. (rewrite_into_ssa): Update for bitmap heads in dominance frontiers. (insert_updated_phi_nodes_for): Likewise. (update_ssa): Likewise. * cfganal.c (compute_dominance_frontiers_1): Likewise. (compute_dominance_frontiers): Likewise. (compute_idf): Likewise. * df-problems.c (df_md_local_compute): Likewise. 2010-06-05 Anatoly Sokolov * target.h (struct gcc_target): Add memory_move_cost field. * target-def.h (TARGET_MEMORY_MOVE_COST): New. (TARGET_INITIALIZER): Use TARGET_MEMORY_MOVE_COST. * targhooks.c (default_memory_move_cost): New function. * targhooks.h (default_memory_move_cost): Declare function. * reload.h (memory_move_cost): Declare. (memory_move_secondary_cost): Change type of 'in' argument to bool. * reginfo.c (memory_move_cost): New function. (memory_move_secondary_cost): Change type of 'in' argument to bool. * ira.h (ira_memory_move_cost): Update comment. * ira.c: (ira_memory_move_cost): Update comment. (setup_class_subset_and_memory_move_costs): Replace MEMORY_MOVE_COST with memory_move_cost. * postreload.c (reload_cse_simplify_set): (Ditto.). * reload1.c (choose_reload_regs): (Ditto.). * doc/tm.texi (TARGET_MEMORY_MOVE_COST): New. (MEMORY_MOVE_COST): Revise documentation. * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro. * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove. * config/i386/i386.h (ix86_memory_move_cost): Make static. Change type of 'in' argument to bool. (TARGET_MEMORY_MOVE_COST): Define. 2010-06-05 Jan Hubicka * ipa-pure-const.c (propagate): Fix typo in handling of functions that cannot return. Be more careful when merging the results with previously known ones. 2010-06-05 Matthias Klose * gcc.c (cc1_options, cpp_unique_options): Use find-plugindir spec function to add the -iplugindir option. (find_plugindir_spec_function): Add new declaration and function. (static_spec_func): Use it for "find-plugindir". 2010-06-05 Jakub Jelinek PR c++/44361 * c-typeck.c (mark_exp_read): Handle C_MAYBE_CONST_EXPR. * c-parser.c (c_parser_postfix_expression): Call mark_exp_read on statement expression. 2010-06-05 Jan Hubicka * df-problems.c (seen_in_block, seen_in_insn): Convert to bitmap_head. (df_rd_problem_data): Convert sparse_invalidated_by_call, dense_invalidated_by_call to bitmap head. (df_rd_alloc, df_rd_bb_local_compute_process_def, df_rd_bb_local_compute, df_rd_confluence_n, df_rd_transfer_function, df_rd_start_dump, df_lr_verify_transfer_functions, df_live_verify_transfer_functions, df_chain_create_bb, df_chain_add_problem, df_byte_lr_check_regs, df_byte_lr_alloc, df_byte_lr_confluence_0, df_byte_lr_confluence_n, df_note_compute, df_simulate_one_insn_forwards, df_md_alloc, df_md_bb_local_compute_process_def, df_md_bb_local_compute_process_def, df_md_local_compute, df_md_transfer_function df_md_free): Update. 2010-06-05 Joseph Myers PR c/44322 * c-typeck.c (build_unary_op): Merge qualifiers into pointer target type for ADDR_EXPR; require no changes to qualifiers except for function types. * c-tree.h (c_build_type_variant): Remove. 2010-06-05 Segher Boessenkool genautomata.c (get_excl_set): Do work per element, not per char. (check_presence_pattern_sets): Similar. (check_absence_pattern_sets): Similar. 2010-06-05 Segher Boessenkool * genautomata.c (curr_state_pass_num): Delete. (min_issue_delay_pass_states): Delete. (min_issue_delay): Delete. (initiate_min_issue_delay_pass_states): Delete. (output_min_issue_delay_table): Compute min_issue_delay_vect using a breadth-first search variant. (output_tables): Don't call initiate_min_issue_delay_pass_states. 2010-06-04 H.J. Lu PR boostrap/44421 * df-problems.c (df_lr_bb_local_compute): Updated for embedded bitmaps. (df_byte_lr_bb_local_compute): Likewise. 2010-06-03 Jason Merrill Implement noexcept operator (5.3.7) * c-common.c (c_common_reswords): Add noexcept. * c-common.h (enum rid): Add RID_NOEXCEPT. 2010-06-04 Joseph Myers * config/darwin-driver.c (darwin_default_min_version): Use GCC-specific formats in diagnostics. * cppspec.c (lang_specific_driver): Use GCC-specific formats in diagnostics. * gcc.c (translate_options, read_specs, add_sysrooted_prefix, execute, process_command, end_going_arg, do_self_spec, do_spec_1, eval_spec_function, handle_braces, process_brace_body, main, perror_with_name, used_arg, set_multilib_dir, print_multilib_info, getenv_spec_function, compare_version_strings, version_compare_spec_function): Use GCC-specific formats in diagnostics. 2010-06-04 Uros Bizjak * config/i386/i386.md (*addhi_1_lea) : Assert that operand 0 and operand 1 are equal. (*addqi_1_lea) : Ditto. (*add_2) : Remove assert that operand 0 and operand 1 are equal. : Ditto. Remove ??? comment. (*add_3) : Remove assert that operand 0 and operand 1 are equal. : Ditto. Remove ??? comment. (*adddi_4) : Remove assert that operand 0 and operand 1 are equal. (*add_4) : Ditto. (*add_5) : Ditto. 2010-06-04 Nathan Froyd * config/i386/i386-protos.h (ix86_print_operand): Declare. * config/i386/i386.c (ix86_print_operand): Make non-static. * config/i386/sol2.h (ASM_OUTPUT_CALL): Call ix86_print_operand. * output.h (output_operand): Declare. * final.c (output_operand): Make non-static. 2010-06-04 Alexandre Oliva PR rtl-optimization/44013 * sched-deps.c (add_dependence_list_and_free): Don't free lists when processing debug insns. PR debug/41371 * var-tracking.c (find_loc_in_1pdv): Mark initial value before recursing. Check that recursion is bounded. Rename inner var to avoid hiding incoming argument. 2010-06-04 Uros Bizjak * config/i386/i386.md (*addqi_2) : Do not assert that operands[2] == 255. (*addqi_3): Ditto. (*addqi_4): Ditto. (*addqi_5): Ditto. (*addqi_ext_1_rex64): Ditto. (*addqi_ext_1): Ditto. (*addqi_4): Check for incdec_operand in QImode. (*add_2): Macroize insn from *add_2 and *add{qi,hi}_2 using SWI mode iterator. (*add_3): Ditto from *add_3 and *add{qi,hi}_3. (*add_4): Macroize insn from *add{qi,hi,si}_4 using SWI124 mode iterator. (*add_5): Macroize insn from *add_5 and *add{qi,hi}_5 using SWI mode iterator. 2010-06-04 Manuel López-Ibáñez PR c/25880 * c-objc-common.c (c_tree_printer): Handle %V, %v and %#v. * c-format.c (gcc_diag_flag_specs): Add hash. (gcc_cxxdiag_flag_specs): Use gcc_diag_flag_specs directly. (gcc_tdiag_char_table,gcc_cdiag_char_table): Handle %V and %v. * c-pretty-print.c (pp_c_cv_qualifier): Rename as pp_c_cv_qualifiers. Handle qualifiers spelling here. (pp_c_type_qualifier_list): Call the function above. * c-pretty-print.h (pp_c_cv_qualifiers): Declare. * c-typeck.c (handle_warn_cast_qual): Print qualifiers. (WARN_FOR_QUALIFIERS): New macro. (convert_for_assignment): Use it. 2010-06-04 Kai Tietz * config/i386/cygming.h (ASM_GENERATE_INTERNAL_LABEL): Prefix by '*'. 2010-06-04 Jan Hubicka * df.h (df_rd_bb_info, df_md_bb_info, df_lr_bb_info, df_live_bb_info, df_byte_lr_bb_info): Embedd bitmap_head into the structure. (DF_LIVE_IN, DF_LIVE_OUT, DF_LR_IN, DF_LR_OUT, DF_BYTE_LR_IN, DF_BYTE_LR_OUT): Update for embedded bitmaps. * fwprop.c (single_def_use_enter_block): Likewise. * ddg.c (create_ddg_dep_from_intra_loop_link, add_cross_iteration_register_deps, build_inter_loop_deps): Likewise. * loop-iv.c (latch_dominating_def): Likewise. * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_bb_local_compute_process_def, df_rd_bb_local_compute_process_def, df_rd_init_solution, df_rd_init_solution, df_rd_transfer_function, df_rd_transfer_function, df_rd_top_dump, df_rd_bottom_dump): Update. (df_lr_free_bb_info, df_lr_alloc, df_lr_reset, df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_local_compute, df_lr_init, df_lr_init, df_lr_confluence_0, df_lr_free, df_lr_top_dump, df_lr_bottom_dump, df_lr_verify_solution_start, df_lr_verify_solution_end, df_lr_verify_transfer_functions, df_lr_verify_transfer_functions, df_live_free_bb_info, df_live_alloc, df_live_reset, df_live_bb_local_compute, df_live_init, df_live_transfer_function, df_live_finalize, df_live_free, df_live_top_dump, df_live_bottom_dump, df_live_verify_solution_start, df_live_verify_solution_end, df_live_verify_transfer_functions, df_chain_create_bb, df_byte_lr_free_bb_info, df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute, df_byte_lr_local_compute, df_byte_lr_init, df_byte_lr_confluence_0, df_byte_lr_confluence_n, df_byte_lr_transfer_function, df_byte_lr_top_dump, df_byte_lr_bottom_dump, df_create_unused_note, df_note_bb_compute, df_md_free_bb_info, df_md_alloc, df_md_bb_local_compute_process_def, df_md_local_compute, df_md_reset, df_md_transfer_function, df_md_init, df_md_confluence_0, df_md_confluence_n, df_md_top_dump, df_md_bottom_dump): Update. (struct df_lr_problem_data): Embedd bitmap headers. 2010-06-04 Jan Hubicka * dce.c (dce_process_block): Do not re-scan already marked instructions. 2010-06-04 Bernd Schmidt PR rtl-optimization/39871 PR rtl-optimization/40615 PR rtl-optimization/42500 PR rtl-optimization/42502 * ira.c (init_reg_equiv_memory_loc: New function. (ira): Call it twice. * reload.h (calculate_elim_costs_all_insns): Declare. * ira-costs.c: Include "reload.h". (regno_equiv_gains): New static variable. (init_costs): Allocate it. (finish_costs): Free it. (ira_costs): Call calculate_elim_costs_all_insns. (find_costs_and_classes): Take estimated elimination costs into account. (ira_adjust_equiv_reg_cost): New function. * ira.h (ira_adjust_equiv_reg_cost): Declare it. * reload1.c (init_eliminable_invariants, free_reg_equiv, elimination_costs_in_insn, note_reg_elim_costly): New static functions. (elim_bb): New static variable. (reload): Move code out of here into init_eliminable_invariants and free_reg_equiv. Call them. (calculate_elim_costs_all_insns): New function. (eliminate_regs_1): Declare. Add extra arg FOR_COSTS; all callers changed. If FOR_COSTS is true, don't call alter_reg, but call note_reg_elim_costly if we turned a valid memory address into an invalid one. * Makefile.in (ira-costs.o): Depend on reload.h. 2010-06-04 Julian Brown * config/arm/thumb2.md (*thumb2_movdf_soft_insn): Fix alternatives for pool ranges. 2010-06-04 Richard Guenther PR lto/41584 * cgraph.h (struct varpool_node): Add lto_file_data field. * lto-cgraph.c (input_varpool_node): Initialize it. 2010-06-04 Uros Bizjak * config/i386/predicates.md (pic_symbolic_operand): Remove predicate. * config/i386/i386.md (*add_1): Do not use pic_symbolic_operand predicate in "type" attribute calculation. (*addsi_1_zext): Ditto. (*add_2): Do not use pic_symbolic_operand in insn predicate. (*addsi_2_zext): Ditto. (*add_3): Ditto. (*addsi_3_zext): Ditto. (*add_5): Ditto. 2010-06-03 Jan Hubicka * tree-into-ssa.c (mark_block_for_update): Avoid redundant call of bitmap_bit_p. * cfganal.c (compute_dominance_frontiers_1): Likewise. 2010-06-03 Jan Hubicka * df-problems.c (df_create_unused_note, df_note_bb_compute): micro-optimize the checks when to add new note. 2010-06-03 Nathan Froyd * final.c (output_asm_insn): Call targetm.asm_out.print_operand_punct_valid_p. Update comments. (output_operand): Call targetm.asm_out.print_operand. Update comments. (output_address): Call targetm.asm_out.print_operand_address. Update comments. * target.h (struct gcc_target): Add print_operand, print_operand_address, and print_operand_punct_valid_p fields. * targhooks.h (default_print_operand): Declare. (default_print_operand_address): Declare. (default_print_operand_punct_valid_p): Declare. * targhooks.c (default_print_operand): Define. (default_print_operand_address): Define. (default_print_operand_punct_valid_p): Define. * target-def.h (TARGET_PRINT_OPERAND): Define if not defined. (TARGET_PRINT_OPERAND_ADDRESS): Likewise. (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Likewise. (TARGET_ASM_OUT): Add TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS, and TARGET_PRINT_OPERAND_PUNCT_VALID_P. * vmsdbgout.c (addr_const_to_string): Update comment. * config/i386/i386.c (print_operand): Rename to... (ix86_print_operand): ...this. Make static. (print_operand_address): Rename to... (ix86_print_operand_address): ...this. Make static. Call ix86_print_operand instead of PRINT_OPERAND. (ix86_print_operand_punct_valid_p): New function. (TARGET_PRINT_OPERAND): Define. (TARGET_PRINT_OPERAND_ADDRESS): Define. (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define. * config/i386/i386.h (HI_REGISTER_NAMES): Update comment. (PRINT_OPERAND_PUNCT_VALID_P): Delete. (PRINT_OPERAND): Delete. (PRINT_OPERAND_ADDRESS): Delete. * config/i386/i386-protos.h (print_operand): Delete prototype. (print_operand_address): Delete prototype. 2010-06-03 Richard Guenther PR tree-optimization/44403 * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Preserve pointer qualifiers. (vect_create_data_ref_ptr): Likewise. 2010-06-03 H.J. Lu PR c++/44294 * defaults.h (MAX_FIXED_MODE_SIZE): New. * stor-layout.c (MAX_FIXED_MODE_SIZE): Removed. 2010-06-03 Jakub Jelinek PR debug/44375 * tree-cfg.c (gimple_can_merge_blocks_p): For -O0 return false if merging the bbs would lead to goto_locus location being lost from the IL. 2010-06-03 Jan Hubicka Jakub Jelinek * var-tracking.c (dataflow_set_equiv_regs): Shortcut the loop if set->regs[i] is NULL or has just one entry. 2010-06-03 Jan Hubicka * lto-cgraph.c (lto_varpool_encoder_size): Remove. * lto-streamer.h (lto_varpool_encoder_size): New inline function. 2010-06-03 Paul Brook * config/arm/arm.c (FL_TUNE): Define. (arm_default_cpu, arm_cpu_select): Remove. (all_cores): Populate core field. (arm_selected_arch, arm_selected_cpu, arm_selected_tune): New. (arm_find_cpu): New function. (arm_handle_option): Lookup cpu/architecture names. (arm_override_options): Cleanup mcpu/march/mtune handling. (arm_file_start): Ditto. 2010-06-03 Alan Modra PR target/44169 * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Add label operand. * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Pass label rtx to gen_load_toc_v4_PIC_1b. Tidy. (rs6000_emit_load_toc_table): Likewise. 2010-06-02 Jan Hubicka * passes.c (init_optimization_passes): Put ipa reference after ipa pure-const. 2010-06-02 Jan Hubicka * ipa-reference.c (ipa_reference_local_vars_info_d): Remove calls_read_all and calls_write_all. (get_reference_optimization_summary): Fix formatting. (is_proper_for_analysis): Check that decl is not readonly. (propagate_bits): Check CONST/PURE/noreturn flags. (ipa_init): Move all_module_statics to optimization_summary_obstack. (analyze_function): Ignore indirect edges. (copy_global_bitmap): For all module statics, do nothing. (generate_summary): Do not print calls_read_all/calls_write_all. (read_write_all_from_decl): Take node as argument; check cgraph_node_cannot_return. (propagate): Reorganize read_all/write_all computation; check indirect edges; check ecf flags; use all_module_statics in the results; do not free all_module_statics. (stream_out_bitmap): Handle all_module_statics. (ipa_reference_write_optimization_summary): Likewise; use varpool/cgraph encoders to get boundaries. (ipa_reference_read_optimization_summary): Read in all_module_statics; use it when possible. 2010-06-02 Michael Meissner PR target/44218 * doc/invoke.texi (RS/6000 and PowerPC Options): Delete obsolete -mswdiv option. Add -mrecip, -mrecip=, -mrecip-precision options. * doc/extend.texi (powerpc builtins): Document vec_recip, vec_rsqrt, vec_rsqrte altivec/vsx builtins. * config/rs6000/rs60000-protos.h (rs6000_emit_swdiv): New function. (rs6000_emit_swrsqrt): Ditto. (rs6000_emit_swdivsf): Delete. (rs6000_emit_swdivdf): Ditto. (rs6000_emit_swrsqrtsf): Ditto. * config/rs6000/rs6000.c (rs6000_recip_bits): New global to describe the reciprocal estimate support for each type. (recip_options): Map -mrecip= into option bits. (gen_2arg_fn_t): New typedef for binary rtx gen function. (rs6000_debug_reg_global): If -mdebug=reg, print the state of the reciprocal estimate instructions. (rs6000_init_hard_regno_mode_ok): Key ws constraint off of the debug -mvsx-scalar-memory switch instead of -mvsx-scalar-double. Set up rs6000_recip_bits based on the -mrecip* options. Print the cost information if -mdebug=cost or -mdebug=reg. (rs6000_override_options): Set -mrecip-precision for power6, and power7 machines. If -mvsx or -mdfp, enable various options that came in previous instruction set ISAs, unless the option was explicitly disabled by the command line option. Parse -mrecip= options. (rs6000_builtin_vectorized_function): Add support for vectorizing the reciprocal estimate builtins and expansions. (rs6000_handle_option): Add -mrecip, -mrecip= support. (bdesc_2arg): Add reciprocal estimate builtins. (bdesc_1arg): Add reciprocal square root estimate builtins. (rs6000_expand_builtin): Rewrite to use a switch statement, instead of multiple if/then/elses. Add reciprocal estimate builtins. (rs6000_init_builtins): Create declarations for reciprocal estimate builtins. (rs6000_preferred_reload_class): Simplify VSX preferences, if scalar sized, prefer traditional floating point registers, if integer vector types, prefer altivec registers. Don't actually look at the memory address any more. (rs6000_builtin_reciprocal): Add new builtin reciprocal estimate builtins. (rs6000_load_constant_and_splat): New helper function to load up the constant for reciprocal estimate instructions. (rs6000_emit_madd): New helper function for generating multiply/add type instructions, based on the current switches. (rs6000_emit_msub): Ditto. (rs6000_emit_mnsub): Ditto. (rs6000_emit_swdiv_high_precision): Replace rs6000_emit_swdivsf to replace a divide with a reciprocal estimate and fixup, adding support for machines with high precision and vectors. (rs6000_emit_swdiv_low_precision): Rewrite rs6000_emit_swdivdf for low precision machines. (rs6000_emit_swdiv): New common function to be called to replace a division with reciprocal estimate and fixup. (rs6000_emit_swrsqrt): Replace rs6000_emit_swrsqrtsf. Add support for double and vector types. Add support for high precision machines. * config/rs6000/rs6000.h (TARGET_FRES): New macro to say whether the reciprocal estimate instructions can be generated. (TARGET_FRE): Ditto. (TARGET_FRSQRTES): Ditto. (TARGET_FRSQRTE): Ditto. (RS6000_RECIP_*): New macros for reciprocal estimate support. * config/rs6000/vector.md (rsqrte2): New insn for reciprocal square root estimate on vectors. (re2): New insn for reciprocal division estimate on vectors. * config/rs6000/rs6000-buitlins.def (ALTIVEC_BUILTIN_VRSQRTFP): New builtin. (ALTIVEC_BUILTIN_VRECIPFP): Ditto. (ALTIVEC_BUITLIN_VEC_RE): Ditto. (ALTIVEC_BUILTIN_VEC_RSQRT): Ditto. (VSX_BUILTIN_RSQRT_V4SF): Ditto. (VSX_BUITLIN_RSQRT_V2DF): Ditto. (RS6000_BUILTIN_RSQRT): Ditto. (ALTIVEC_BUILTIN_VEC_RSQRTE): Denote that the builtin is a floating point builtin. * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define macros __RECIP__, __RECIPF__, __RSQRTE__, __RSQRTEF__, __RECIP_PRECISION__ based on the command line switches. (altivec_overloaded_builtins): Add reciprocal estimate builtins. * config/rs6000/rs6000.opt (-mrecip): Document add support for replacing division instructions with reciprocal estimate and fixup. (-mrecip=): New option. (-mrecip-precision): Ditto. * config/rs6000/vsx.md (UNSPEC_VSX_RSQRTE): Delete. (vsx_rsqrte2): Use UNSPEC_RSQRT not UNSPEC_VSX_RSQRTE. (vsx_copysignsf3): If -mvsx, use double precision cpsign on single precision scalar. * config/rs6000/altivec.md (UNSPEC_RSQRTEFP): Delete. (UNSPEC_VREFP): Ditto. (altivec_vnmsubfp*): Make altivec nmsub mirror the scalar and VSX conterparts with regard to support of -mno-fused-madd and -ffast-math. (altivec_vrsqrtefp): Use common UNSPEC to allow scalar/vector reciprocal estimate instructions to be generated. (altivec_vrefp): Ditto. * config/rs6000/rs6000.md (RECIPF): New iterator for reciprocal estimate support. (rreg): New mode attribute for reciprocal estimate support. (recip3): New insn for division using reciprocal estimate and fixup builtins. (divide define_split): New define_split to convert floating point division to use reciprocal estimate if the user used the appropriate options and the split is run when we can add new pseudo registers for the fixup. (rsqrt2): New insn for reciprocal square root support. (recipsf3): Move into recip3. (recipdf3): Ditto. (fres): Use TARGET_FRES. (rsqrtsf2): Move into rsqrt2. (rsqrtsf_internal1): Use TARGET_FRSQRTSES. (copysignsf3): Add support for VSX. (fred): Use TARGET_FRE. (fred_fpr): Ditto. (rsqrtdf_internal1): New function for frsqrte instruciton. * config/rs6000/altivec.h (vec_recipdiv): Define new vector builtin. (vec_rsqrt): Ditto. 2010-06-03 Richard Guenther PR middle-end/44291 * optabs.c (init_one_libfunc): Use IDENTIFIER_HASH_VALUE. (set_user_assembler_libfunc): Likewise. 2010-06-02 Steven Bosscher * mkconfig.sh: Include insn-flags.h and insn-constants.h before defaults.h. * except.h: Move MUST_USE_SJLJ_EXCEPTIONS and USING_SJLJ_EXCEPTIONS to defaults.h * expr.h (BRANCH_COST, MOVE_RATIO, CLEAR_RATIO, SET_RATIO, DEFAULT_FUNCTION_ARG_PADDING, FUNCTION_ARG_PADDING, FUNCTION_ARG_BOUNDARY, STACK_SAVEAREA_MODE, STACK_SIZE_MODE, STACK_CHECK_BUILTIN, STACK_CHECK_STATIC_BUILTIN, STACK_CHECK_PROBE_INTERVAL_EXP, STACK_CHECK_MOVING_SP, STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT, STACK_CHECK_MAX_FRAME_SIZE, STACK_CHECK_FIXED_FRAME_SIZE, STACK_CHECK_MAX_VAR_SIZE): Move target macro defaults to defaults.h. * defaults.h: Updated for above mentioned changes. 2010-06-02 Kai Tietz * c-common.c: Remove header include of tm_p.h. * Makefile.in (c-common.o): Remove TM_P_H dependency. 2010-06-02 Jakub Jelinek * tree.h (struct tree_decl_map): New type. (tree_decl_map_eq, tree_decl_map_marked_p): Define. (tree_decl_map_hash): New prototype. (debug_expr_for_decl, value_expr_for_decl): Change into tree_decl_map hashtab from tree_map. (init_ttree): Adjust initialization. (tree_decl_map_hash): New function. (decl_debug_expr_lookup, decl_debug_expr_insert, decl_value_expr_lookup, decl_value_expr_insert): Adjust. 2010-06-02 Rainer Orth * configure.ac (gcc_cv_ld_sol2_emulation): Test for GNU ld *_sol2 linker emulations. * configure: Regenerate. * config.in: Regenerate. * config/i386/sol2-10.h [TARGET_GNU_LD] (I386_EMULATION): Define. (X86_64_EMULATION): Define. (TARGET_LD_EMULATION): Use them. * config/sparc/sol2-gld-bi.h (SPARC32_EMULATION): Define. (SPARC64_EMULATION): Define. (LINK_ARCH_SPEC): Use them. 2010-06-02 Sebastian Pop * graphite-clast-to-gimple.c (gcc_type_for_interval): Use smallest_mode_for_size for computing the precision types of new graphite IVs. Do not call lang_hooks.types.type_for_size. 2010-06-02 Sebastian Pop * tree-if-conv.c (predicate_bbs): Do not reset the GIMPLE_DEBUG information. (remove_conditions_and_labels): Reset the GIMPLE_DEBUG information. 2010-06-02 Sebastian Pop PR middle-end/44363 * tree-if-conv.c (predicate_bbs): Do not call gcc_unreachable, return false instead. 2010-06-02 Jan Hubicka PR middle-end/44295 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Do not create new cgraph node to check callee. 2010-06-02 Richard Guenther * lto-streamer-in.c (input_gimple_stmt): Fix typo. 2010-06-02 Richard Guenther * lto-wrapper.c (lto_wrapper_exit): Rename to ... (lto_wrapper_cleanup): ... this. Do not exit. (fatal): Adjust. Exit here. (fatal_perror): Likewise. (fatal_signal): New function. (main): Set up signal handlers to cleanup temporary files. * Makefile.in (lto-wrapper.o): Adjust dependencies. 2010-06-02 Richard Guenther PR tree-optimization/44377 * tree-ssa-structalias.c (find_func_aliases): Fix typo. 2010-06-02 Andreas Krebbel * config/s390/2097.md (z10_fhex): Remove insn reservation. * config/s390/s390.md (UNSPEC_COPYSIGN): Remove unused constant. (*mov_64 TD_TF, *mov_31 TD_TF, *mov_64dfp DD_DF, *mov_64 DD_DF, *mov_31, mov): Remove load zero instruction. * config/s390/s390.c: Don't accept fp zeros as valid constants anymore. 2010-06-02 Jan Hubicka * bitmap.c (bitmap_descriptor): Add search_iter. (bitmap_find_bit): Increment it. (print_statistics): Print it. 2010-06-02 Nathan Froyd * tree-vect-slp.c (vect_create_mask_and_perm): Use gimple_build_call instead of gimple_build_call_vec. Delete unnecessary local variable. 2010-06-02 Steven Bosscher * gimplify.c (gimplify_body): Revert "Do not initialize RTL profiling" change from yesterday. 2010-06-02 Steven Bosscher * c-ada-spec.c: Clean up redundant includes. 2010-06-01 Steven Bosscher * gimplify.c: Do not include except.h and optabs.h. (gimplify_body): Do not initialize RTL profiling. * gimple-low.c: Do not include rtl.h, diagnostic.h, langhooks.h, langhooks-def.h, timevar.h, except.h, hashtab.h, and expr.h. * gimple-fold.c: Do not include rtl.h, tm_p.h, ggc.h, basic-block.h, output.h, expr.h, diagnostic.h, timevar.h, value-prof.h, and langhooks.h. * tree-pretty-print.h: Include pretty-print.h. * gimple-pretty-print.h: Include pretty-print.h. * tree-pretty-print.c: Do not include diagnostic.h. * tree-vrp.c: Likewise. * tree-tailcall.c: Likewise * tree-scalar-evolution.c: Likewise * tree-ssa-dse.c: Likewise * tree-chrec.c: Likewise * tree-ssa-sccvn.c: Likewise * tree-ssa-copyrename.c: Likewise * tree-nomudflap.c: Likewise * tree-call-cdce.c: Likewise * tree-stdarg.c: Likewise * tree-ssa-math-opts.c: Likewise * tree-nrv.c: Likewise * tree-ssa-sink.c: Likewise * tree-browser.c: Likewise * tree-ssa-loop-ivcanon.c: Likewise * tree-ssa-loop.c: Likewise * tree-parloops.c: Likewise * tree-ssa-address.c: Likewise * tree-ssa-ifcombine.c: Likewise * tree-if-conv.c: Likewise * tree-data-ref.c: Likewise * tree-affine.c: Likewise * tree-ssa-phiopt.c: Likewise * tree-ssa-coalesce.c: Likewise * tree-ssa-pre.c: Likewise * tree-ssa-live.c: Likewise * tree-predcom.c: Likewise * tree-ssa-forwprop.c: Likewise * tree-ssa-dce.c: Likewise * tree-ssa-ter.c: Likewise * tree-ssa-loop-prefetch.c: Likewise * tree-optimize.c: Likewise * tree-ssa-phiprop.c: Likewise * tree-object-size.c: Likewise * tree-outof-ssa.c: Likewise * tree-ssa-structalias.c: Likewise * tree-switch-conversion.c: Likewise * tree-ssa-reassoc.c: Likewise * tree-ssa-operands.c: Likewise * tree-vectorizer.c: Likewise * tree-vect-data-refs.c: Likewise * tree-vect-generic.c: Likewise * tree-vect-stmts.c: Likewise * tree-vect-patterns.c: Likewise * tree-vect-slp.c: Likewise * tree-vect-loop.c: Likewise * tree-ssa-loop-ivopts.c: Likewise * tree-ssa-loop-im.c: Likewise * tree-ssa-loop-niter.c: Likewise * tree-ssa-loop-unswitch.c: Likewise * tree-ssa-loop-manip.c: Likewise * tree-ssa-loop-ch.c: Likewise * tree-dump.c: Likewise * tree-complex.c: Likewise * tree-into-ssa.c: Do not include diagnostic.h and expr.h. * tree-ssa-uninit.c: Likewise * tree-ssa-threadupdate.c: Likewise * tree-ssa-uncprop.c: Likewise * tree-ssa-ccp.c: Likewise * tree-ssa-dom.c: Likewise * tree-ssa-propagate.c: Likewise * tree-ssa-alias.c: Likewise * tree-dfa.c: Likewise * tree-cfgcleanup.c: Likewise * tree-sra.c: Likewise * tree-ssa-copy.c: Likewise * tree-ssa.c: Likewise * tree-profile.c: Likewise * tree-cfg.c: Likewise * tree-ssa-threadedge.c: Likewise * tree-vect-loop-manip.c: Likewise * tree-inline.c: Do not include diagnostic.h and expr.h. Include rtl.h. (copy_decl_for_dup_finish): Do not use NULL_RTX. * tree-loop-linear.c: Do not include diagnostic.h, expr.h and optabs.h. * tree-loop-distribution.c: Likewise. 2010-06-01 Jan Hubicka * ipa-pure-const.c (local_pure_const): Do NORETURN discovery. 2010-06-01 Jan Hubicka * tree-cfgcleanup.c (fixup_noreturn_call): Break out from ...; remove return value. (split_bbs_on_noreturn_calls) .... here. * tree-optimize.c (execute_fixup_cfg): Fixup noreturn calls too. * tree-flow.h (fixup_noreturn_call): New. 2010-06-01 Jan Hubicka * emit-rtl.c (remove_insn): Fix thinko in prevoius patch. 2010-06-01 Nathan Froyd * tree.h (build_nt_call_list): Delete. * tree.c (build_nt_call_list): Delete. 2010-06-01 Jan Hubicka * fwprop.c: Make emit-rtl.h include last. * rtlanal.c: Include emit-rtl.h. * genautomata.c: Output emit-rtl include into insn-automata.c * df-scan.c: Include emit-rtl.h. * haifa-sched.c: Indlude emit-rtl.h. * mode-switching.c: Indlude emit-rtl.h. * graph.c: Indlude emit-rtl.h. * sel-sched.c: Include emit-rtl.h. * sel-sched-ir.c: Include emit-rtl.h. * ira-build.c: Include emit-rtl.h. * emit-rtl.c: (first_insn, last_insn): Remove defines. (get_insns, set_first_insn, get_last_insn, set_last_insn, get_max_uid): Move to emit-rtl.h. (set_new_first_and_last_insn, get_last_insn_anywhere, get_first_nonnote_insn, get_last_nonnote_insn, try_split, make_call_insn_raw, add_insn_after, add_insn_before, remove_insn, delete_insns_since, reorder_insns_nobb, emit_insn_after_1, emit_debug_insn_before, emit_insn, start_sequence, push_to_sequence, push_to_sequence2, push_topmost_sequence, end_sequence, copy_insn): Use accessor functions. * emit-rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn, gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value, set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode, mem_expr_equal_p): Move here from rtl.h. (get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid): Move here from emit-rtl.c; make inline. * cfglayout.h: Include emit-rtl.h. * rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn, gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value, set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode, mem_expr_equal_p, get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid): Move to emit-rtl.h. * reg-stack.c: Include emit-rtl.h. * dce.c: Likewise. 2010-06-01 Jan Hubicka * cgraph.h (tree_function_versioning): Update prototype. (cgraph_function_versioning): Update prototype. * cgraphunit.c (cgraph_copy_node_for_versioning): Accept bbs_to_copy bitmap. (cgraph_function_versioning): Accept new_entry_block and bbs_to_copy. (cgraph_materialize_clone, save_inline_function_body): Update use of tree_function_versioning. * tree-inline.c (copy_bb): Look for previous copied block to link after; fix debug output. (copy_cfg_body): Accept new_entry_block and bbs_to_copy. (copy_body): Likewise. (expand_call_inline): Update use of copy_body. (tree_function_versioning): Update use of copy body; accept blocks_to_copy and new_entry. 2010-06-01 Jan Hubicka * gegenrtl.c: Remove unnecesary prototypes. (gendecl): Remove. (gendef): Produce static inline. (gencode): Remove. (main): Do not decode parameters; generate header only. * Makefile.in (genrtl.c): Remove. 2010-06-01 Jan Hubicka * tree-switch-conversion.c (build_one_array): Make it readonly. 2010-06-01 Richard Guenther * optabs.c (init_optabs): Guard all accesses to reinit. * ipa-pure-const.c (propagate): Fix another typo. * opts.c (common_handle_option): Split assignment to bool. * c-opts.c (c_common_handle_option): Likewise. 2010-06-01 Arnaud Charlet Matthew Gingell * doc/invoke.texi: Mention -fdump-ada-spec. * tree-dump.c (dump_files): Add ada-spec. (FIRST_AUTO_NUMBERED_DUMP): Bump to 8. * tree-pass.h (tree_dump_index): Add TDI_ada. * gcc.c: Add support for -C without -E and for -fdump-ada-spec. (cpp_unique_options): Do not reject -C or -CC when -E isn't present. (default_compilers) <@c-header>: Allow -fdump-ada-spec on header files. * c-decl.c: Include c-ada-spec.h. (collect_source_ref_cb, collect_all_refs, for_each_global_decl): New functions. (c_write_global_declarations): Add handling of -fdump-ada-spec. * c-lex.c (c_lex_with_flags): Add handling of CPP_COMMENT. * Makefile.in (C_AND_OBJC_OBJS): Add c-ada-spec.o. * c-ada-spec.h, c-ada-spec.c: New files. 2010-06-01 Richard Guenther PR lto/43853 * ipa-pure-const.c (get_function_state): Hand back varying state if we do not have one. (has_function_state): New function. (duplicate_node_data): Adjust. (remove_node_data): Likewise. (pure_const_write_summary): Likewise. (propagate): Likewise. Fix typo. 2010-06-01 Jan Hubicka * tree-cfg.c (verify_stmt): Do not skip could_throw test. * passes.c (execute_function_todo): Do not make implicit verify_ssa. (execute_all_ipa_transforms): Do not play with the states. 2010-06-01 Maxim Kuvyrkov * config/arm/t-linux-androideabi: New. * config.gcc (arm*-*-linux-androideabi): Include multilib configuration. 2010-06-01 Jan Hubicka * tree-inline.c (estimate_num_insns): For stdarg functions look into call statement to count cost of argument passing. 2010-06-01 Kai Tietz * config/i386.c (ix86_output_addr_vec_elt): Make LPREFIX argument for fprintf. (ix86_output_addr_diff_elt): Likewise. (x86_function_profiler): Likewise. * config/cygming.h (LOCAL_LABEL_PREFIX): Fix for x64 no-underscore. (LPREFIX): Likewise. (ASM_GENERATE_INTERNAL_LABEL): Likewise. 2010-05-31 Jakub Jelinek PR target/44338 * config/i386/sse.md (fma4i_fmadd4256, fma4i_fmsub4256, fma4i_fnmadd4256, fma4i_fnmsub4256, fma4i_fmadd4, fma4i_fmsub4, fma4i_fnmadd4, fma4i_fnmsub4, fma4i_vmfmadd4, fma4i_vmfmsub4, fma4i_vmfnmadd4, fma4i_vmfnmsub4, fma4i_fmaddsubv8sf4, fma4i_fmaddsubv4df4, fma4i_fmaddsubv4sf4, fma4i_fmaddsubv2df4, fma4i_fmsubaddv8sf4, fma4i_fmsubaddv4df4, fma4i_fmsubaddv4sf4, fma4i_fmsubaddv2df4): Guard only with TARGET_FMA4 instead of TARGET_FMA4 && TARGET_FUSED_MADD. 2010-05-31 Jan Hubicka * tree.h (tree_range_check_failed): Declare noreturn. 2010-05-31 Jan Hubicka * gimple.c (gimple_call_builtin_p): New function. * gimple.h (gimple_call_builtin_p): Declare. * tree-cfg.c (make_edges): Produce edge from BUILT_IN_RETURN to exit. (execute_warn_function_return): BUILT_IN_RETURN is return. (split_critical_edges): Return edges are not critical. (is_ctrl_altering_stmt): Builtin_in_return is altering. (gimple_verify_flow_info): Handle built_in_return. (execute_warn_function_return): Handle built_in_return. * ipa-pure-const.c (check_call): Ignore builtin_return. 2010-05-31 Jakub Jelinek PR middle-end/44337 * expr.c (expand_assignment): Don't store anything for out-of-bounds array accesses with non-MEM. PR tree-optimization/44182 * tree-inline.c (copy_edges_for_bb): Don't split bb if a stmt that newly needs to end a bb is followed by debug stmts, instead return true from the function at the end. (maybe_move_debug_stmts_to_successors): New function. (copy_cfg_body): Call it if copy_edges_for_bb returned true. 2010-05-31 Kai Tietz PR target/44161 * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Handle flag_pic. 2010-05-31 Eric Botcazou * cgraphunit.c (cgraph_decide_is_function_needed): Really return false for nested functions in non-optimized compilation. 2010-05-31 Richard Guenther * tree-ssa-structalias.c (find_func_aliases): Handle BUILT_IN_RETURN. 2010-05-30 Jan Hubicka * predict.c (maybe_hot_edge_p): Calls to functions called once is cold. 2010-05-30 Richard Guenther PR lto/42975 * tree-eh.c (execute_cleanup_eh_1): Copy from execute_cleanup_eh. (execute_cleanup_eh): Clear DECL_FUNCTION_PERSONALITY if it is no longer needed. 2010-05-30 Iain Sandoe * config/darwin.c (output_objc_section_asm_op): Add comment. (name_needs_quotes): Add '_' to list of valid comment chars. (machopic_output_function_base_name): Remove unneeded quotes. (darwin_encode_section_info): Adjust asm whitespace. * config/i386/darwin.h (ASM_OUTPUT_COMMON): Adjust asm tabs. (ASM_OUTPUT_LOCAL): Ditto. * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Ditto. * config/darwin.h (GLOBAL_ASM_OP): Ditto. * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Ditto. 2010-05-30 Eric Botcazou * config/rs6000/rs6000.c (rs6000_output_function_entry): Use RS6000_OUTPUT_BASENAME unconditionally. (rs6000_output_function_epilogue): Likewise. 2010-05-30 Jan Hubicka * toplev.c (wrapup_global_declaration_2): Avoid creation of new varpool nodes. 2010-05-30 Richard Guenther * tree-cfg.c (verify_gimple_assign_single): Implement verification for COND_EXPR rhs. 2010-05-30 Jan Hubicka * cgraph.h (cgraph_dump_file): Declare. * cgraphunit.c (cgraph_dump_file): Export. * ipa.c (dump_cgraph_node_set, dump_varpool_node_set): Be less verbose. 2010-05-30 Jan Hubicka * dwarf2out.c (reference_to_unused, premark_types_used_by_global_vars_helper): Avoid creation of new varpool nodes. 2010-05-30 Jan Hubicka * cgraph.h (cgraph_node_cannot_return, cgraph_edge_cannot_lead_to_return): New functions. * cgraph.c (cgraph_node_cannot_return, cgraph_edge_cannot_lead_to_return): Use them. * ipa-pure-const.c (pure_const_names): New static var. (check_call): Handle calls not leading to return. (pure_const_read_summary): Dump info read. (propagate): Dump info about propagation process; ignore side effects of functions not leading to exit; fix handling of pure functions. 2010-05-30 Jan Hubicka * config/i386/i386.c (pro_epilogue_adjust_stack): Use EBP for tail call epilogues. 2010-05-30 Jan Hubicka * passes.c (ipa_write_optimization_summaries_1, ipa_write_summaries_2, ipa_read_summaries_1, ipa_read_optimization_summaries_1): Initialize dump files. 2010-05-29 Jan Hubicka * ipa.c (cgraph_remove_unreachable_node): Walk references of correct node; remove references in node we no longer keep in cgrpah but need body of. 2010-05-29 Jan Hubicka * cgraph.c (cgraph_mark_reachable): Relax check for analyzed nodes. 2010-05-29 John David Anglin PR target/44165 * config/pa/pa32-linux.h (CTOR_LIST_BEGIN): Mark __CTOR_LIST__ as used. 2010-05-29 Jan Hubicka * tree-vrp.c (debug_value_range, debug_all_value_ranges, debug_asserts_for, debug_all_asserts): Annotate with DEBUG_FUNCTION. * tree-into-ssa.c (debug_decl_set, debug_defs_stack, debug_currdefs, debug_tree_ssa, debug_tree_ssa_stats, debug_def_blocks, debug_names_replaced_by, debug_update_ssa): Likewise. * sbitmap.c (debug_sbitmap): Likewise. * genrecog.c (debug_decision, debug_decision_list): Likewise. * tree-pretty-print.c (debug_generic_expr, debug_generic_stmt, debug_tree_chain): Likewise. * tree-loop-distribution.c (debug_rdg_partitions): Likewise. * cgraph.c (debug_cgraph_node, debug_cgraph): Likewise. * optabs.c (debug_optab_libfuncs): Likewise. (verify_loop_closed_ssa): Likewise. * value-prof.c (verify_histograms): Likewise. * reload.c (debug_reload_to_stream, debug_reload): Likewise. * bitmap.c (debug_bitmap_file, debug_bitmap, bitmap_print): Likewise. * cfghooks.c (verify_flow_info): Likewise. * fold-const.c (debug_fold_checksum): Likewise. * omp-low.c (debug_omp_region, debug_all_omp_regions): Likewise. * cfg.c (debug_regset, debug_flow_info, debug_bb, debug_bb_n): Likewise. * omega.c (debug_omega_problem): Likewise. * cgraphunit.c (verify_cgraph_node, verify_cgraph): Likewise. * tree-ssa-ccp.c (debug_lattice_value): Likewise. * dominance.c (verify_dominators, debug_dominance_info, debug_dominance_tree): Likewise. * df-core.c (df_insn_uid_debug, df_insn_debug, df_insn_debug_regno, * df_regno_debug, df_ref_debug, debug_df_insn, debug_df_reg, debug_df_regno, debug_df_ref, debug_df_defno, debug_df_useno, debug_df_chain): Likewise. * tree-ssa-dom.c (debug_dominator_optimization_stats): Likewise. * sel-sched.c (debug_state): Likewise. * tree-ssa-alias.c (debug_alias_info, debug_points_to_info_for): Likewise. * cfganal.c (print_edge_list, verify_edge_list): Likewise. * dwarf2out.c (debug_dwarf_die, debug_dwarf): Likewise. * tree-eh.c (verify_eh_edges, verify_eh_dispatch_edge): Likewise. * gimple-pretty-print.c (debug_gimple_stmt, debug_gimple_seq): Likewise. * c-pretty-print.c (debug_c_tree): Likewise. * sel-sched-dump.c (debug_insn_rtx, debug_vinsn, debug_expr, debug_insn debug_av_set, debug_lv_set, debug_ilist, debug_blist, debug_insn_vector, debug_hard_reg_set, debug_mem_addr_value): Likewise. * ebitmap.c (debug_ebitmap): Likewise. * function.c (debug_find_var_in_block_tree): Likewise. * print-rtl.c (debug_rtx): Likewise. (debug_rtx_count): Likewise. (debug_rtx_list, debug_rtx_range, debug_rtx_find): Likewise. * stor-layout.c (debug_rli): Likewise. * ipa.c (debug_cgraph_node_set, debug_varpool_node_set): Likewise. * tree-data-ref.c (debug_data_references, debug_data_dependence_relations, debug_data_reference, debug_data_dependence_relation, debug_rdg_vertex, debug_rdg_component, debug_rdg): Likewise. * tree-affine.c (debug_aff): Likewise. * tree-dfa.c (debug_referenced_vars, debug_variable, debug_dfa_stats): Likewise. * except.c (debug_eh_tree, verify_eh_tree): Likewise. * emit-rtl.c (verify_rtl_sharing): Likewise. * tree-ssa-pre.c (debug_pre_expr, debug_bitmap_set, debug_value_expressions): Likewise. * tree-ssa-live.c (debug_scope_block, debug_scope_blocks): Likewise. * sese.c (debug_rename_map, debug_ivtype_map): Likewise. * print-tree.c (debug_tree, debug_vec_tree): Likewise. * cfglayout.c (verify_insn_chain): Likewise. * graphite-clast-to-gimple.c (debug_clast_name_indexes, debug_clast_stmt, debug_generated_program): Likewise. * ggc-page.c (debug_print_page_list): Likewise. * tree-ssa-ter.c (debug_ter): Likewise. * graphite-dependences.c (debug_pddr): Likewise. * sched-deps.c (debug_ds): Likewise. * tree-ssa.c (verify_ssa): Likewise. * graphite-poly.c (debug_scattering_function, debug_iteration_domain, debug_scattering_functions, debug_iteration_domains, debug_pdr, debug_pdrs, debug_pbb_domain, debug_pbb, debug_scop_context, debug_scop, debug_cloog, debug_scop_params, debug_lst): Likewise. * tree-inline.c (debug_find_tree): Likewise. * graphite-ppl.c (debug_ppl_linear_expr, debug_ppl_polyhedron_matrix, debug_ppl_powerset_matrix): Likewise. * var-tracking.c (debug_dv): Likewise. * system.h (DEBUG_FUNCTION, DEBUG_VARIABLE): Define. * cfgloop.c (verify_loop_structure): Likewise. * plugin.c (dump_active_plugins, debug_active_plugins): Likewise. * c-common.c (verify_sequence_points): Likewise. * sched-rgn.c (debug_regions, debug_region, debug_candidate, debug_candidates, debug_rgn_dependencies): Likewise. * tree-ssa-structalias.c (debug_constraint, debug_constraints, * debug_constraint_graph, debug_solution_for_var, debug_sa_points_to_info): Likewise. * sched-vis.c (debug_insn_slim, debug_bb_slim, debug_bb_n_slim): Likewie. * tree-cfg.c (debug_cfg_stats, verify_stmts, debug_function, debug_loops, debug_loop, debug_loop_num): Likewise. * passes.c (debug_pass): Likewise. (dump_properties): Likewise; add cfglayout property. (debug_properties): Likewise. * tree-ssa-reassoc.c (debug_ops_vector): Likewise. * varpool.c (debug_varpool): Likewise. * regcprop.c (debug_value_data): Likewise. * tree-ssa-operands.c (verify_imm_links, debug_immediate_uses, debug_immediate_uses_for): Likewise. 2010-05-29 H.J. Lu PR bootstrap/44315 * Makefile.in (build/gencondmd.o): Remove TM_H := $(GTM_H). Filter out insn-flags.h. 2010-05-29 Jan Hubicka * cgraph.h (struct varpool_node_set_def, struct cgraph_node_set_def): Remove unused AUX pointer. (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): Use VEC_empty macro. 2010-05-29 Jan Hubicka PR middle-end/44324 * ipa-cp.c (ipcp_insert_stage): Replace "clone" by "constprop". 2010-05-29 Richard Guenther * lto-streamer.c (cached_bp): New global variable. (bitpack_create): Return the cached bitpack, if available. (bitpack_delete): Clear and cache the bitpack, if appropriate. (bp_pack_value): Remove redundant asserts. 2010-05-29 Sebastian Pop PR middle-end/44306 * tree-if-conv.c (is_true_predicate): New. (is_predicated): Use is_true_predicate. (add_to_predicate_list): Same. Do not use unshare_expr. (add_to_dst_predicate_list): Same. 2010-05-29 Sebastian Pop * tree-if-conv.c (add_to_dst_predicate_list): Do not use the ->aux field on edges. (predicate_bbs): Same. (clean_predicate_lists): Same. (find_phi_replacement_condition): Do not AND the predicate from edge->aux. 2010-05-29 H.J. Lu PR bootstrap/44315 * Makefile.in (build/gencondmd.o): Add a missing `\'. 2010-05-29 John David Anglin PR target/44261 config/pa/pa.md (negdf2_slow, negsf2_slow): New patterns. (negdf2): Adjust expander pattern and use negdf2_slow. (negsf2): Likewise. 2010-05-29 Nathan Froyd * basic-block.h (struct control_flow_graph): Move last_label_uid field up. * df.h (struct df_base_ref): Move regno field up. * dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down. * expr.h (struct separate_ops): Move location field up. * optabs.h (struct optab_d): Move libcall_basename field down. * config/i386/i386.c (struct ix86_frame): Move red_zone_size up. * config/i386/i386.h (struct machine_function): Convert call_abi field into a bitfield. Move cfa field to the end of the structure. 2010-05-29 Jan Hubicka * varpool.c (varpool_get_node): Fix lookup. 2010-05-29 Steven Bosscher * config/spu/spu-protos.h: Do not include rtl.h. Protect RTL specific prototypes with #ifdef RTX_CODE. * config/spu/spu-c.c: Include c-common.h instead of c-tree.h. * config/spu/t-spu-elf: Fix dependencies. * config/t-darwin (darwin-c.o): Remove C_TREE_H dependency. 2010-05-29 Mike Stump PR bootstrap/44315 * Makefile.in (build/gencondmd.o): Be sure to use GTM_H instead of TM_H when building to avoid dependency loops. 2010-05-29 Jan Hubicka * cgraphunit.c (cgraph_materialize_clone): Only remove calles, refs and body; not the whole node for masters of materialized clones. 2010-05-29 Mike Stump * config/rs6000/rs6000-c.c: Remove c-tree.h include. 2010-05-29 Jan Hubicka * cgraph.c (clone_function_name): Take SUFFIX argument; export. (cgraph_create_virtual_clone): Take SUFFIX argument; udpate use of clone_function_name. * cgraph.h (cgraph_create_virtual_clone, cgraph_function_versioning): update prototypes. (clone_function_name): Declare. * ipa-cp.c (ipcp_insert_stage): Update call of cgraph_create_virtual_clone. * omp-low.c (create_omp_child_function_name): Use cgraph_create_virtual_clone. * cgraphunit.c (cgraph_copy_node_for_versioning): Fix edges updating. (cgraph_function_versioning): Take SUFFIX argument; produce new name and make decl local. 2010-05-29 Steven Bosscher * vec.h: Include statistics.h * Makefile.in: Introduce VEC_H. Replace all vec.h dependencies with VEC_H. 2010-05-29 Steven Bosscher * c-lex.c: Do not include c-tree.h. * c-pretty-print.c: Likewise. * c-opts.c: Likewise. * c-gimplify.c: Likewise. * c-common.c: Likewise. * c-dump.c: Likewise. Include c-common.h. 2010-05-29 Steven Bosscher * c-common.h (GCC_DIAG_STYLE): Define earlier in the file, before including diagnostic-core.h. (c_cpp_error): New prototype moved from c-tree.h. Use ATTRIBUTE_GCC_DIAG instead of ATTRIBUTE_GCC_CDIAG. * c-tree.h (ATTRIBUTE_GCC_CDIAG): Remove define. (pedwarn_c90, perwarn_c99): Use ATTRIBUTE_GCC_DIAG instead. (c_cpp_error): Prototype moved to c-common.h. * Makefile.in: Update dependency for C_COMMON_H. 2010-05-29 Steven Bosscher * c-common.h: Add FIXME for awkward split of c_register_addr_space. * c-common.c (c_register_addr_space): Remove here. * c-decl.c (c_register_addr_space): Re-add here. 2010-05-28 Mike Stump * config/darwin-c.c: Remove c-tree.h include. 2010-05-28 Joseph Myers * gcc.c: Include diagnostic.h. (error_count): Remove. All users changed to use errorcount. (programname): Remove. All users changed to use progname. (fancy_abort, internal_error, fatal_error, error, warning, inform, fnotice): Remove. (execute): Don't include "Internal error" and bug reporting information in argument of internal_error call. (process_command): Don't increment error_count after calling perror_with_name. (input_filename): Rename to gcc_input_filename. All users changed. (main): Call diagnostic_initialize. Register delete_temp_files with atexit. Use seen_error to test for errors. * gcc.h: Include diagnostic-core.h. (fatal_error, error, warning): Remove. * Makefile.in (GCC_H): Add $(DIAGNOSTIC_CORE_H). (GCC_OBJS): Add diagnostic.o, pretty-print.o and input.o. (gcc.o): Update dependencies. 2010-05-28 Jeff Law * ira.c (ira_bad_reload_regno, ira_build_reload_regno_1): New functions. * ira.h (ira_bad_reload_regno): Declare * reload1.c (allocate_reload_reg): Use ira_bad_reload_regno. * ira-color.c (update_curr_costs): Free updated hard reg costs. (ira_reassign_conflict_allocnos): Remove bogus asserts. (allocno_reload_assign): Likewise. 2010-05-28 Nathan Froyd * tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of build1_stat. 2010-05-28 Richard Guenther PR lto/44312 * lto-streamer-in.c (unpack_ts_fixed_cst_value_fields): Stream fixed-point constants mode. (unpack_ts_type_value_fields): Fix width of TYPE_MODE and TYPE_PRECISION. * lto-streamer-out.c (pack_ts_fixed_cst_value_fields): Stream fixed-point constants mode. (pack_ts_function_decl_value_fields): Fix width of TYPE_MODE and TYPE_PRECISION. 2010-05-28 Sebastian Pop * tree-scalar-evolution.c (set_nb_iterations_in_loop): Inlined in the only place it was called from. (number_of_latch_executions): Do not return chrec_dont_know when the may_be_zero is a runtime condition: instead, return a COND_EXPR including the may_be_zero condition. * cfgloop.h (struct loop): Add a note on COND_EXPRs to the comment of nb_iterations. * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Handle COND_EXPRs. 2010-05-28 Sebastian Pop * tree-if-conv.c (replace_phi_with_cond_gimple_assign_stmt): Don't generate COND_EXPRs for degenerate_phi_result. 2010-05-28 Sebastian Pop PR middle-end/44293 * tree-if-conv.c (if_convertible_loop_p): Check the if-convertibility of phi nodes in non predicated BBs. 2010-05-28 Joseph Myers * gcc.c (error, warning, inform): Remove duplicate ": " in output. 2010-05-28 Joseph Myers PR driver/15303 * gcc.c (inform, warning, inform): New functions. (fatal_ice): Rename to internal_error; change cmsgid parameter to gmsgid. All callers changed. (notice): Rename to fnotice; add parameter fp. All callers changed. (fatal_error): Rename to fatal_signal. All users changed. (fatal): Rename to fatal_error; change cmsgid parameter to gmsgid. All callers changed. (process_command): Use warning instead of error for warnings. (end_going_arg): Don't use _() around argument of error. (do_spec_1): Use inform for message from %n specs. Use warning instead of error for warnings. (main): Use inform for comparison messages. Use warning for message about unused linker input. (error): Increment error_count. Print "error: ". * gcc.h (fatal): Change to fatal_error. (warning): Declare. * config/darwin-driver.c (darwin_default_min_version): Use warning instead of fprintf for warnings. * cppspec.c (lang_specific_driver): Use fatal_error instead of fatal. 2010-05-28 Julian Brown * config/arm/thumb2.md (*thumb2_addsi3_compare0): New. (*thumb2_addsi3_compare0_scratch): New. * config/arm/constraints.md (Pv): New. * config/arm/arm.md (*addsi3_compare0): Remove FIXME comment. Use for ARM mode only. (*addsi3_compare0_scratch): Likewise. 2010-05-28 Jan Hubicka * ipa-reference.c (add_static_var): Remove redundant all_module_statics check. (ipa_reference_write_optimization_summary): Call is_proper_for_analysis only on local statics. 2010-05-28 Iain Sandoe * config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin. 2010-05-28 Maxim Kuvyrkov PR bootstrap/44314 * config/alpha/linux.h, config/rs6000/linux.h, config/rs6000/linux64.h (OPTION_GLIBC): Define. 2010-05-28 Jakub Jelinek PR debug/41048 * dwarf2out.c (double_int_type_size_in_bits): New function. (round_up_to_align): Change first argument and return value to double_int. (field_byte_offset): Work internally on double_ints. PR target/43636 * builtins.c (expand_movstr): Use a temporary pseudo instead of target even when target is not NULL and not const0_rtx, but fails movstr predicate. * config/m32c/blkmov.md (movstr): Add predicate to first operand. 2010-05-28 Joseph Myers * final.c (rest_of_clean_state): Use %m in errors instead of strerror (errno). * gengtype.c (read_input_list, close_output_files): Use xstrerror instead of strerror. * toplev.c (process_options): Use %m in errors instead of strerror (errno). * tree-dump.c (dump_begin): Use %m in errors instead of strerror (errno). 2010-05-28 Uros Bizjak * config/i386/i386.c (ix86_fn_abi_va_list): Make static. (ix86_canonical_va_list_type): Make static. Add declaration. (ix86_enum_va_list): Make static. Reindent. * config/i386/i386-protos.h (ix86_fn_abi_va_list): Remove declaration. (ix86_canonical_va_list_type): Ditto. (ix86_enum_va_list): Ditto. 2010-05-28 Richard Guenther * lto-wrapper.c (run_gcc): With -save-temps generate a user-visible ltrans filename. Fixup ltrans unit numbering. 2010-05-28 Kai Tietz * c-common.c (c_common_nodes_and_builtins): Replace use of TARGET_ENUM_VA_LIST by target hook enum_va_list. * config/i386/i386.c (TARGET_ENUM_VA_LIST_P): Hook to ix86_enum_va_list. * config/i386/i386.h (TARGET_ENUM_VA_LIST): Removed. * doc/tm.texi (TARGET_ENUM_VA_LIST): Removed. (TARGET_ENUM_VA_LIST_P): Add hook description. * target-def.h (TARGET_ENUM_VA_LIST_P): Added. * target.h (gcc_target): Add enum_va_list hook. PR bootstrap/44299 * config/i386/t-cygming: Adjust header dependencies for winnt-cxx.c. * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Remove undefine. * config/i386/winnt.c (IN_GCC_FRONTEND): Likewise. 2010-05-28 Alan Modra PR target/44266 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use emit_library_call machinery to set up __tls_get_addr calls. 2010-05-28 Andreas Krebbel * config/s390/s390.md (movqi): Fix typo ('*' -> '#'). 2010-05-28 Dodji Seketeli Revert fix for PR c++/44188 * c-common.c (is_typedef_decl): Revert the moving of this definition ... * tree.c (is_typedef_decl): ... here. (typdef_variant_p): Revert the moving of this definition here from gcc/cp/tree.c. * c-common.h (is_typedef_decl): Revert the moving of this declaration ... * tree.h (is_typedef_decl): ... here. (typedef_variant_p): Revert the moving of this declaration here from gcc/cp/cp-tree.h * dwarf2out.c (is_naming_typedef_decl): Revert this new function. (gen_tagged_type_die): Revert the splitting out of ... (gen_type_die_with_usage): ... this function. Revert the anonymous tagged type handling. (gen_typedef_die): Revert emitting DW_TAG_typedef for typedefs naming anonymous tagged types. 2010-05-28 Segher Boessenkool * config/rs6000/rs6000-modes.def (PSImode): Delete. 2010-05-28 Segher Boessenkool * config/rs6000/constraints.md ("z" constraint): Change to CA_REGS. * config/rs6000/predicates.md: Change XER_REGNO_P to CA_REGNO_P throughout. * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Change "xer" to "ca". Change XER_REGNO_P to CA_REGNO_P, XER_REGNO to CA_REGNO, and XER_REGS to CA_REGS throughout. * config/rs6000/rs6000.h: Same. (ADDITIONAL_REGISTER_NAMES): Add "xer". * config/rs6000/rs6000.md: Change XER_REGNO to CA_REGNO. Document that mode_iterator "P" is the size for arithmetic carries as well. * doc/md.texi (rs6000 section, "z" constraint): Fix documentation. 2010-05-28 Jakub Jelinek PR bootstrap/44255 * combine.c (struct rtx_subst_pair): Define unconditionally. (propagate_for_debug_subst): Likewise. If not AUTO_INC_DEC, copy_rtx pair->to instead of cleanup_auto_inc_dec it. Call make_compound_operation on pair->to. (propagate_for_debug): Don't call make_compound_operation here. Always use simplify_replace_fn_rtx. 2010-05-27 Sterling Augustine * doc/invoke.texi (xtensa options): Add -mforce-no-pic. * config/xtensa/xtensa.c (override_options): Check TARGET_FORCE_NO_PIC and set flag_pic. * config/xtensa/xtensa.opt: Document -mforce-no-pic 2010-05-27 Kai Tietz PR bootstrap/44299 * config/i386/winnt.c (IN_GCC_FRONTEND): Undefine. * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Likewise. 2010-05-27 Joseph Myers * diagnostic-core.h: New. Contents moved from diagnostic.h and toplev.h. * diagnostic.c: Don't include toplev.h. (progname): Define. Moved from toplev.c. (seen_error): New function. * diagnostic.h: Include diagnostic-core.h. (diagnostic_t, emit_diagnostic): Don't declare here. * toplev.c (progname): Move to toplev.c. (emit_debug_global_declarations, compile_file, finalize, do_compile, toplev_main): Use seen_error. * toplev.h: Include diagnostic-core.h. (trim_filename, GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG, internal_error, warning, warning_at, error, error_n, error_at, fatal_error, pedwarn, permerror, sorry, inform, inform_n, verbatim, fnotice, progname): Move to diagnostic-core.h. * builtins.c: Include diagnostic-core.h instead of diagnostic.h. (expand_builtin_expect): Use seen_error. * c-decl.c: Include diagnostic-core.h instead of diagnostic.h. (c_make_fname_decl, c_write_global_declarations): Use seen_error. * c-format.c: Include diagnostic-core.h instead of diagnostic.h. * c-gimplify.c: Include diagnostic-core.h instead of diagnostic.h. * c-lang.c: Include diagnostic-core.h instead of diagnostic.h. * c-lex.c (c_lex_with_flags, interpret_float): Don't increment errorcount for errors. * c-opts.c (c_common_finish): Use seen_error. * cgraph.c: Include diagnostic-core.h instead of diagnostic.h. * cgraphunit.c (verify_cgraph_node, verify_cgraph, cgraph_output_pending_asms, cgraph_optimize): Use seen_error. * coverage.c: Include diagnostic-core.h instead of diagnostic.h. (get_coverage_counts): Use seen_error. * dwarf2out.c (dwarf2out_finish): Use seen_error. * gimplify.c (gimplify_var_or_parm_decl, gimple_push_cleanup, gimplify_body): Use seen_error. * ipa-inline.c (cgraph_early_inlining): Use seen_error. * ipa-pure-const.c (gate_pure_const): Use seen_error. * ipa-reference.c (gate_reference): Use seen_error. * jump.c: Include diagnostic-core.h instead of diagnostic.h. * lambda-code.c: Include diagnostic-core.h instead of diagnostic.h. * lto-cgraph.c: Include diagnostic-core.h instead of diagnostic.h. * lto-compress.c: Include diagnostic-core.h instead of diagnostic.h. * lto-section-in.c: Include diagnostic-core.h instead of diagnostic.h. * lto-streamer-out.c: Include diagnostic-core.h instead of diagnostic.h. * lto-streamer.c: Include diagnostic-core.h instead of diagnostic.h. (gate_lto_out): Use seen_error. * matrix-reorg.c: Include diagnostic-core.h instead of diagnostic.h. * omega.c: Include diagnostic-core.h instead of diagnostic.h. * omp-low.c: Include diagnostic-core.h instead of diagnostic.h. (gate_expand_omp, lower_omp_1): Use seen_error. * passes.c: Include diagnostic-core.h instead of diagnostic.h. (rest_of_decl_compilation, rest_of_type_compilation, gate_rest_of_compilation, ipa_write_summaries): Use seen_error. * tree-cfg.c (label_to_block_fn): Use seen_error. * tree-inline.c (optimize_inline_calls): Use seen_error. * tree-mudflap.c (mudflap_finish_file): Use seen_error. * tree-optimize.c (gate_all_optimizations, gate_all_early_local_passes, gate_all_early_optimizations): Use seen_error. * tree-ssa-structalias.c (gate_ipa_pta): Use seen_error. * varpool.c: Include diagnostic-core.h instead of diagnostic.h. (varpool_remove_unreferenced_decls, varpool_assemble_pending_decls): Use seen_error. * Makefile.in (DIAGNOSTIC_CORE_H): Define. (TOPLEV_H, DIAGNOSTIC_H): Update. (c-decl.o, c-lang.o, c-format.o, lto-compress.o, lto-cgraph.o, lto-streamer-out.o, lto-section-in.o, lto-streamer.o, c-gimplify.o, omp-low.o, omega.o, diagnostic.o, passes.o, builtins.o, jump.o, cgraph.o, varpool.o, matrix-reorg.o, coverage.o, lambda-code.o): Update dependencies. 2010-05-25 Dodji Seketeli PR c++/44188 * c-common.c (is_typedef_decl): Move this definition ... * tree.c (is_typedef_decl): ... here. (typdef_variant_p): Move definition here from gcc/cp/tree.c. * c-common.h (is_typedef_decl): Move this declaration ... * tree.h (is_typedef_decl): ... here. (typedef_variant_p): Move declaration here from gcc/cp/cp-tree.h * dwarf2out.c (is_naming_typedef_decl): New function. (gen_tagged_type_die): Split out of ... (gen_type_die_with_usage): ... this function. When an anonymous tagged type is named by a typedef, make sure a DW_TAG_typedef DIE is emitted for the typedef. (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming anonymous tagged types. 2010-05-27 Jason Merrill * print-tree.c (debug_vec_tree): New fn. (print_vec_tree): New fn. * tree.h: Declare them. * gdbinit.in (pvt): New command. * print-tree.c (print_node) [TREE_VEC]: Print elements normally. * gdbinit.in (pdd): New command. 2010-05-27 Jan Hubicka * ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline. (update_caller_keys): Return early if there are no callers; only update fibheap when decresing the key. (update_callee_keys): Avoid recursion. (decide_inlining_of_small_functions): When badness does not match; re-insert into fibheap. 2010-05-27 Steven Bosscher * Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS. (ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects. (ALL_HOST_BACKEND_OBJS): New, for all backend and target objects. (ALL_HOST_OBJS): Now a union of the above two.
: Add -DIN_GCC_FRONTEND for all files in ALL_HOST_FRONTEND_OBJS. * system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined. * c-common.c: Pretend to be a backend file by undefining IN_GCC_FRONTEND (still need rtl.h here). 2010-05-27 Jan Hubicka * cgraph.h (struct cgraph_node): Mark former_clone_of by GTY ((skip)). * cgraphunit.c (clone_of_p): Compile only when checking is enabled. 2010-05-27 Jan Hubicka * sched-ebb.c: Rename struct deps to struct deps_desc. * ddg.c: Likewise. * sel-sched-ir.c: Likewise. * sched-deps.c: Likewise. * sched-int.h: Likewise. * sched-rgn.c: Likewise. 2010-05-27 Jon Beniston PR 43726 * config/lm32/lm32.h: Remove definition of GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year. 2010-05-27 Eric Botcazou PR lto/44230 * dwarf2out.c (dwarf2out_begin_prologue): Fix nits in sorry message. 2010-05-27 Richard Guenther PR tree-optimization/44284 * tree-vect-stmts.c (vectorizable_assignment): Handle sign-changing conversions as simple copy. 2010-05-27 Maxim Kuvyrkov * gthr-posix.h (pthread_cancel): Don't declare if compiling against Bionic C library. (__gthread_active_p): Check for pthread_create if compiling against Bionic C library. 2010-05-27 Maxim Kuvyrkov Support compilation for Android platform. Reimplement -mandroid. * config.gcc (*linux*): Include linux-android.h and linux-android.opt. (*android*): Set ANDROID_DEFAULT. (arm*-*-linux*): Include linux-android.h. (arm*-*-eabi*): Don't include previous -mandroid implementation. * config/arm/eabi.h: Remove, move Android-specific parts ... * config/linux-android.h: ... here. New file. * config/arm/eabi.opt: Rename to ... * config/linux-android.opt: ... this. (mandroid): Allow -mno-android option. Initialize based on ANDROID_DEFAULT. * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC): Move logic to corresponding LINUX_TARGET_* macros. (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate. * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,) (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and Android definitions. (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID. * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld): Document. 2010-05-27 Maxim Kuvyrkov Add support for Bionic C library * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define macro. (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*. (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update. * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define. (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC. (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier to support multiple C libraries. Handle Bionic. (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,) (BIONIC_DYNAMIC_LINKER64): Define. (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Update. (TARGET_HAS_SINCOS): Enable for Bionic. * config/linux.opt: Rewrite to handle more than 2 C libraries. Make the last option specified on command line take effect. (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC. (mbionic): New. (mglibc, muclibc): Update. * config/alpha/linux-elf.h, config/rs6000/linux64.h, * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use DEFAULT_LIBC. * doc/invoke.texi (-mglibc, -muclibc): Update. (-mbionic): Document. 2010-05-27 Ulrich Weigand * c-common.h (c_register_addr_space): Add prototype. (ADDR_SPACE_KEYWORD): Remove. * c-common.c (c_register_addr_space): New function. (c_addr_space_name): Reimplement. (c_common_reswords): Do not include TARGET_ADDR_SPACE_KEYWORDS. * config/spu/spu.h (TARGET_ADDR_SPACE_KEYWORDS): Remove. (REGISTER_TARGET_PRAGMAS): Call c_register_addr_space. * doc/tm.texi (Named Address Spaces): Mention c_register_addr_space. Remove TARGET_ADDR_SPACE_KEYWORDS. 2010-05-27 Joseph Myers * input.c: New file. * input.h (main_input_filename): Move declaration to toplev.h. * toplev.c (input_location, line_table): Move to input.c * toplev.h (main_input_filename): Move declaration from input.h. * tree.c (expand_location): Move to input.c. * Makefile.in (OBJS-common): Add input.o. (input.o): Add dependencies. 2010-05-27 Richard Guenther * lto-wrapper.c (maybe_unlink_file): Ignore unlink failure for non-existant files. (fork_execute): Mark args_name file as deleted. 2010-05-27 Kai Tietz PR bootstrp/44287 * c-lex.c (narrowest_unsigned_type): Check for NULL_TREE. (narrow_signed_type): Likewise. 2010-05-26 Jan Hubicka * cgraphunit.c (verify_cgraph_node): Do checking that DECL match edge only when checking is enabled; check using former_clone_of; check inline clones too. (cgraph_materialize_clone): Record former_clone_of pointer. (cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not combining redirections; dump args_to_skip bitmap (cgraph_materialize_all_clones): Do no redirection here. * ipa-inline.c (inline_transform): Do redirection here. * cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled cheking only). 2010-05-26 Steven Bosscher * config/avr/avr-c.c: Do not include regs.h. Include cpplib.h for cpp_define and tree.h for c-common.h. * config/avr/avr-devices.c (avr_mcu_types): Fix initializer. * config/avr/t-avr: Fix dependencies for avr-c.o. 2010-05-26 Steven Bosscher * explow.c (set_stack_check_libfunc): Adjust to accept name as a string instead of SYMBOL_REF rtx. * rtl.h (set_stack_check_libfunc): Move prototype from here... * libfuncs.h: ...to here. Adjust for explow.c change. 2010-05-26 Joseph Myers * pretty-print.c: Don't include ggc.h. (identifier_to_locale_alloc, identifier_to_locale_free): Define. (identifier_to_locale): Use them for allocation. * pretty-print.h (identifier_to_locale_alloc, identifier_to_locale_free): Declare. * toplev.c (alloc_for_identifier_to_locale): New. (general_init): Set identifier_to_locale_alloc and identifier_to_locale_free. * Makefile.in (pretty-print.o): Update dependencies. 2010-05-26 Eric Botcazou * gimple.c (gimple_types_compatible_p): Return 0 for aggregate and pointer types if they have different alignment or mode. 2010-05-26 Anatoly Sokolov * config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros. * config/sparc/sparc-protos.h (function_value): Remove declaration. * config/sparc/sparc.c (sparc_function_value, sparc_libcall_value, sparc_function_value_regno_p): New functions. (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define. (function_value): Rename to... (sparc_function_value_1): ... this. Make static. Change 'incoming_p' argument to 'outgoing'. (function_arg_record_value, function_arg_union_value, function_arg_vector_value): Update comment. 2010-05-26 Eric Botcazou * dwarf2out.c (struct dw_fde_struct): Reorder flags. (fde_needed_for_eh_p): New predicate. (output_call_frame_info): Use it throughout to decide whether FDEs are needed for EH purpose. (dwarf2out_begin_prologue): Reorder assignments. 2010-05-26 Sebastian Pop * tree-if-conv.c (if_convertible_gimple_assign_stmt_p): Do not special case loop->header. (is_predicated): New. (if_convertible_loop_p): Call it. 2010-05-26 Sebastian Pop * tree-if-conv.c (add_to_dst_predicate_list): Do not pass a statemet iterator in parameter. Do not generate code during the analysis. (tree_if_convert_cond_stmt): Removed. (tree_if_convert_stmt): Removed. (predicate_bbs): New. (if_convertible_loop_p): Call predicate_bbs. (tree_if_conversion): Simplify the top-level logic as predicate_bbs now contains all the analysis part. 2010-05-26 Sebastian Pop * tree-if-conv.c (tree_if_convert_cond_stmt): Do not remove statements in the analysis part. (tree_if_convert_stmt): Update comment. (remove_conditions_and_labels): New. (combine_blocks): Call remove_conditions_and_labels. (tree_if_conversion): Update comment. 2010-05-26 Sebastian Pop * tree-if-conv.c (if_convertible_bb_p): Don't handle BBs with more than 2 predecessors or more than 2 successors. 2010-05-26 Sebastian Pop * tree-if-conv.c (if_convertible_loop_p): Avoid if-conversion of loops in which the data dependence analysis fails. 2010-05-26 Sebastian Pop * tree-if-conv.c (if_convertible_loop_p): Do not compute/free CDI_POST_DOMINATORS. (tree_if_conversion): Same. 2010-05-26 Sebastian Pop * tree-if-conv.c (tree_if_conversion): Do not return a bool. 2010-05-26 Sebastian Pop * tree-if-conv.c: Update copyright years. Fix comments. Fix indentation. 2010-05-26 Kai Tietz * builtin-types.def (BT_INT128): New primitive type. (BT_UINT128): Likewise. * c-common.c (c_common_r): Add __int128 keyword. (c_common_type_for_size): Handle __int128. (c_common_type_for_mode): Likewise. (c_common_signed_or_unsigned_type): Likewise. (c_common_nodes_and_builtins): Add builtin type if target supports 128-bit integer scalar. * c-common.h (enum rid): Add RID_INT128. * c-cppbuiltin.c (c_cpp_builtins): Define __SIZEOF_INT128__ if target supports 128-bit integer scalar. * c-decl.c (declspecs_add_type): Handle new keyword __int128. (finish_declspecs): Likewise. * c-parser.c (c_token_starts_typename): Handle RID_INT128. (c_token_starts_declspecs): Likewise. (c_parser_declspecs): Likewise. (c_parser_attributes): Likewise. (c_parser_objc_selector): Likewise. * c-pretty-print.c (pp_c_integer_constant): Handle __int128. * c-tree.h (enum c_typespec_keyword): Add cts_int128. * gimple.c (gimple_signed_or_unsigned_type): Handle int128 types. * tree.c (make_or_reuse_type): Likewise. (make_unsigned_type): Likewise. (build_common_tree_nodes_2): Likewise. * tree.h (enum integer_type_kind): Add itk_int128 and itk_unsigned_int128. (int128_integer_type_node): New define. (int128_unsigned_type_node): New define. * doc/extend.texi: Add documentation about __int128 type. 2010-05-26 Richard Guenther * tree-ssa-sccvn.c (copy_nary): Adjust. (copy_phis): Rename to ... (copy_phi): ... this. Adjust. (copy_references): Rename to ... (copy_reference): ... this. Adjust. (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the result into the valid table. 2010-05-26 Steven Bosscher * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h, insn-config.h, insn-codes.h, recog.h, and optabs.h. 2010-05-26 Laurynas Biveinis * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Remove. 2010-05-26 Richard Guenther * opts.c (common_handle_option): Handle OPT_Ofast. 2010-05-26 Joseph Myers * diagnostic.c: Don't include opts.h. (permissive_error_option): Define. (diagnostic_initialize): Take n_opts parameter. Allocate memory for classify_diagnostic. Don't use memset for classify_diagnostic. Initialize new and recently added fields. (diagnostic_classify_diagnostic): Use context->n_opts instead of N_OPTS. (diagnostic_report_diagnostic): Pass context parameter to diagnostic_report_warnings_p. Use option_enabled and option_name hooks from context. (emit_diagnostic): Use permissive_error_option. (permerror): Likewise. * diagnostic.h: Don't include options.h. (struct diagnostic_context): Add n_opts, opt_permissive, inhibit_warnings, warn_system_headers, option_enabled and option_name fields. Change classify_diagnostic to a pointer. * opts-diagnostic.h: New file. * opts.c: Include opts-diagnostic.h. (common_handle_option): Set global_dc fields for -Wfatal-errors, -Wsystem-headers, -fshow-column, -pedantic-errors and -w. (option_name): New function. * c-opts.c (c_common_init_options): Set global_dc->opt_permissive. (c_common_handle_option): Set global_dc->permissive for -fpermissive. * c-common.c (c_cpp_error): Save and restore global_dc->warn_system_headers, not variable warn_system_headers. * toplev.c: Include opts-diagnostic.h. (general_init): Update call to diagnostic_initialize. Set global_dc->show_column, global_dc->option_enabled and global_dc->option_name. (process_options): Don't set global_dc fields here. * Makefile.in (DIAGNOSTIC_H): Remove options.h. (diagnostic.o, opts.o, toplev.o): Update dependencies. 2010-04-30 Hariharan Sandanagobalane * config/picochip/picochip.md (movsi): Split a movsi from a const after reload. 2010-05-26 Laurynas Biveinis * ggc-zone.c: Update copyright year. (poison_region): Mark memory for Valgrind as undefined before memset () call and inaccessible afterwards. (ggc_pch_total_size): Change type of i to int. 2010-05-26 Laurynas Biveinis * ggc-common.c (ggc_free_overhead): Allow empty slot. 2010-05-26 Laurynas Biveinis * ggc-common.c: Update copyright year. (ggc_rlimit_bound): Remove prototype. Compile only if !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT. (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT. Make static. (ggc_min_heapsize_heuristic): Likewise. 2010-05-26 Richard Guenther PR rtl-optimization/44164 * tree-ssa-alias.c (aliasing_component_refs_p): Fix the no-common access-path disambiguation. (indirect_ref_may_alias_decl_p): Adjust. (indirect_refs_may_alias_p): Likewise. (refs_may_alias_p_1): Likewise. 2010-05-26 Steven Bosscher * c-typeck.c: Do not include expr.h. 2010-05-26 Steven Bosscher * rtl.h (decl_default_tls_model): Move prototype from here... * output.h: ...to here. * c-decl.c: Do not include rtl.h. * c-pragma.c: Likewise. * c-parser.c: Likewise. * c-gimplify.c: Likewise. And also not hard-reg-set. * c-common.c: Do not include rtl.h. Include tm_p.h and add a FIXME note for it. Add a FIXME note for expr.h. * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list, ix86_canonical_va_list_type): Make visible even if RTX_CODE is not defined. 2010-05-26 Jakub Jelinek PR target/44199 * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca or total_size is larger than red zone size for non-V4 ABI, emit a stack_tie resp. frame_tie insn before stack pointer restore. * config/rs6000/rs6000.md (frame_tie): New insn. 2010-05-25 Eric Botcazou * function.h (struct function): Add can_throw_non_call_exceptions bit. * lto-streamer-in.c (input_function): Stream it in. * lto-streamer-out.c (output_function): Stream it out. * function.c (allocate_struct_function): Set it. (expand_function_end): Substitute cfun->can_throw_non_call_exceptions for flag_non_call_exceptions. * cfgbuild.c (control_flow_insn_p): Likewise. (make_edges): Likewise. * cfgexpand.c (expand_stack_alignment): Likewise. * combine.c (distribute_notes): Likewise. * cse.c (cse_extended_basic_block): Likewise. * except.c (insn_could_throw_p): Likewise. * gcse.c (simple_mem): Likewise. * ipa-pure-const.c (check_call): Likewise. (check_stmt ): Likewise. * lower-subreg.c (lower-subreg.c): Likewise. * optabs.c (emit_libcall_block): Likewise. (prepare_cmp_insn): Likewise. * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise. * postreload.c (rest_of_handle_postreload): Likewise. * reload1.c (reload_as_needed): Likewise. (emit_input_reload_insns): Likewise. (emit_output_reload_insns): Likewise. (fixup_abnormal_edges): Likewise. * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise. * store-motion.c (find_moveable_store): Likewise. * tree-eh.c (stmt_could_throw_p): Likewise. (tree_could_throw_p): Likewise. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. * config/arm/arm.c (arm_expand_prologue): Likewise. (thumb1_expand_prologue): Likewise. * config/rx/rx.md (cbranchsf4): Likewise. (cmpsf): Likewise. * config/s390/s390.c (s390_emit_prologue): Likewise. * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions. (inline_forbidden_into_p): New predicate. (expand_call_inline): Use it to forbid inlining. (tree_can_inline_p): Likewise. 2010-05-25 Steven Bosscher * config/i386/i386-c.c: Do not include rtl.h. * config/i386/t-i386: Update dependencies. 2010-05-25 Steven Bosscher * attribs.c: Do not include rtl.h. * Makefile.in: Update dependencies. 2010-05-25 Anatoly Sokolov * double-int.h (double_int_and): New. * combine.c (try_combine): Clean up, use double_int_* and immed_double_int_const functions. 2010-05-25 Rainer Orth * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout, stderr to /dev/null instead of grep -q. * configure: Regenerate. 2010-05-25 Steven Bosscher * Makefile.in (EXCEPT_H): Fix typo. 2010-05-25 Vladimir Makarov * ira-build.c (update_conflict_hard_reg_costs): New. (ira_build): Call update_conflict_hard_reg_costs. 2010-05-25 Jakub Jelinek PR debug/41371 * var-tracking.c (find_loc_in_1pdv): Guard asserts with ENABLE_CHECKING. (intersect_loc_chains): Walk the s2var's loc_chain together with s1node chain as long as the locations are equal, don't call find_loc_in_1pdv in that case. PR debug/42801 * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here... (copy_bind_expr): ... instead of here. (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK if the block hasn't been remapped. * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When emitting concrete instance of abstract VLA, add DW_AT_type attribute. 2010-05-25 Richard Guenther PR middle-end/44069 * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating out-of-bounds array accesses. 2010-05-25 Richard Guenther * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize. (lto_wrapper_exit): Unlink all LTRANS temporary files on error. (run_gcc): Re-organize to make cleanup easier. 2010-05-25 Andreas Krebbel * config/s390/s390.c (optimization_options): Fix and move the flag_prefetch_loop_arrays override ... (override_options): ... here. 2010-05-25 Joseph Myers * diagnostic.c: Don't include plugin.h. (diagnostic_report_diagnostic): Don't handle plugins specially here. Pass context to internal_error callback. * diagnostic.h (struct diagnostic_context): Add context parameter to internal_error callback. * plugin.c (warn_if_plugins, plugins_internal_error_function): New. * plugin.h (struct diagnostic_context): Declare. (warn_if_plugins, plugins_internal_error_function): Declare. * toplev.c (general_init): Set global_dc->internal_error. * Makefile.in (diagnostic.o): Update dependencies. 2010-05-25 Iain Sandoe * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC. * config/rs6000/t-darwin64: New. * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64, build crt2. 2010-05-25 Christian Borntraeger PR 44203 * tree-ssa-loop-prefetch.c: Fix logic for step calculation to match the original (and intended) behaviour before r159557. This changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong in two ways. 2010-05-25 Richard Guenther * doc/invoke.texi: Document -Ofast. * target.h (struct gcc_target): Add handle_ofast. * target-def.h (TARGET_HANDLE_OFAST): Add. (TARGET_INITIALIZER): Adjust. * opts.c (decode_options): Handle -Ofast. Enable -ffast-math with it. * common.opt (Ofast): Add. 2010-05-25 Paolo Bonzini * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns. * doc/md.texi (cstoreXX4): Update for cond-optab changes. 2010-05-25 Paolo Bonzini PR target/43610 * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison even if !FLOAT_LIB_COMPARE_RETURNS_BOOL. Always compute true_rtx and false_rtx. Use false_rtx to compute the correct *ptest for reversed comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL. 2010-05-25 Jakub Jelinek * dwarf2out.c (loc_descr_plus_const): When offset is negative, use DW_OP_minus with negated offset instead of DW_OP_plus. (loc_list_from_tree): Don't test whether second operand is INTEGER_CST. 2010-05-25 Wei Guozhi * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to tst instruction and a new alternative. * config/arm/constraints.md (Pu): New constraint. 2010-05-24 Sebastian Pop * function.c (assign_stack_local_1): Initialize variable to avoid warning when bootstrapping at -O3. 2010-05-24 Steven Bosscher * configure.ac (all_lang_makefiles): Remove everything related to it. * configure: Regenerate. * Makefile.in: Fix reference to ada Make-lang.in. Remove support for LANG_MAKEFILES. 2010-05-24 Daniel Jacobowitz Sandra Loosemore * config/arm/neon-testgen.ml: Use dg-add-options arm_neon. * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok description. Add arm_neon_fp16_ok. (Add Options): Add arm_neon and arm_neon_fp16. 2010-05-24 Joseph Myers * diagnostic.c: Don't include flags.h. (pedantic_warning_kind, permissive_error_kind): Take diagnostic context parameters. Check flags in the context passed as a parameter. (diagnostic_build_prefix): Add context parameter. Check show_column flag in context. (diagnostic_action_after_output): Check fatal_errors flag in context. (diagnostic_report_current_module): Check show_column flag in context. (default_diagnostic_starter): Update call to diagnostic_build_prefix. (diagnostic_report_diagnostic): Pass context to pedantic_warning_kind. (emit_diagnostic): Pass context to permissive_error_kind. (permerror): Pass context to permissive_error_kind. * diagnostic.h (struct diagnostic_context): Add show_column, pedantic_errors, permissive and fatal_errors fields. (diagnostic_build_prefix): Update prototype. * langhooks.c * toplev.c (process_options): Set flags in global_dc from flag_show_column, flag_pedantic_errors, flag_permissive, flag_fatal_errors. * tree-diagnostic.c (default_tree_diagnostic_starter): Update call to diagnostic_build_prefix. * Makefile.in (diagnostic.o): Update dependencies. 2010-05-24 H.J. Lu * config/i386/ia32intrin.h (__crc32q): Define only if __SSE4_2__ is defined. 2010-05-24 Iain Sandoe PR target/44132 PR middle-end/43602 * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P, DECL_VISIBILITY_SPECIFIED. (emutls_decl): Set DECL_PRESERVE_P and copy DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P. (emutls_finalize_control_var): New callback. (emutls_finish): Finalize emutls control variables. * toplev.c (compile_file): Move the call to emutls_finish () before varpool_assemble_pending_decls (). 2010-05-24 Daniel Gutson * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__ added to the preprocessor condition. 2010-05-24 Paul Brook * gengtype-lex.l: Add HARD_REG_SET. * expr.c (expand_expr_real_1): Record writes to hard registers. * function.c (rtl_data): Add asm_clobbers. * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers. (ira_setup_eliminable_regset): Remove regs_asm_clobbered. Use crtl->asm_clobbers. 2010-05-24 Ralf Wildenhues * doc/makefile.texi (Makefile): Mention stages 'profile' and 'feedback' for profiledbootstrap. 2010-05-23 H.J. Lu PR target/44245 * config/i386/i386.c (def_builtin): Properly check OPTION_MASK_ISA_64BIT. 2010-05-23 Joseph Myers * c-decl.c (diagnose_mismatched_decls): Give error for duplicate typedefs with different but compatible types. Allow duplicate typedefs with the same type except for pedantic non-C1X, but give warning for variably modified types. * c-typeck.c (tagged_types_tu_compatible_p, function_types_compatible_p, type_lists_compatible_p, comptypes_internal): Add parameter different_types_p; set *different_types_p for different but compatible types. All callers changed. (comptypes_check_different_types): New. * c-tree.h (comptypes_check_different_types): Declare. 2010-05-23 Steven Bosscher * regs.h: Do not include obstack.h, basic-block.h. Include machmode.h. * jump.c: Include basic-block.h. * profile.c: Likewise. * tree-profile.c: Likewise. * coverage.c: Likewise. * basic-block.h (optimize_function_for_size_p): Move to function.h. (optimize_function_for_speed_p): Likewise. * function.h (optimize_function_for_size_p, optimize_function_for_speed_p): Moved here from basic-block.h. * Makefile.in: Update dependencies. 2010-05-23 Ralf Wildenhues * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS before calling make; allow override through $MAKE. * doc/invoke.texi (Optimize Options): Document override. 2010-05-23 Anatoly Sokolov * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New. (TARGET_MODE_DEPENDENT_ADDRESS_P): Define. (rs6000_mode_dependent_address_ptr): Make static. * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove. * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr): Remove. 2010-05-23 Maarten Lankhorst PR target/43869 * config/i386/i386.c: Make sure that the correct regparm is passed. 2010-05-23 Steven Bosscher * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here... * sbitmap.c: ...to here to internalize sbitmap element access. Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h. Explain why basic-block.h is included. * function.h: Include tm.h for CUMULATIVE_ARGS. * Makefile.in: Update dependencies. 2010-05-22 Steven Bosscher * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap): New core types. * sbitmap.h (struct sbitmap_def): Do not typedef here. * sbitmap.c: Include sbitmap.h. * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h, hard-reg-set.h. Split everything related to regsets out from here... * regset.h: ...to here. New file. * df.h: Include regset.h and sbitmap.h. * tree-flow.h: Likewise. * cfgloop.h: Likewise. * except.h: Do not include sbitmap.h. Include hashtab.h. * cgraph.h: Include vec.h and function.h. * reload.h (struct insn_chain): Change types of live_throughout and dead_or_set from regset_head to bitmap_head. (compute_use_by_pseudos): Be defined also if regset.h is not included. * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of spilled_regs from regset_head to bitmap_head to avoid dependency in regset.h. * sel-sched-ir.h: Include regset.h. * reload.c: Include df.h before reload.h. * caller-save.c: Likewise. * reload1.c: Likewise. * ira.c: Likewise. (mark_elimination): Update type of r to bitmap, consistent with DF_LR_IN. * dominance.c: Include bitmap.h. * modulo-sched.c: Include df.h. * cfganal.c: Include bitmap.h and sbitmap.h. * cfgbuild.c: Include sbitmap.h. * lcm.c: Include sbitmap.h. * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET. * domwalk.c: Include sbitmap.h, exclude ggc.h. * cfgexpand.c: Inlcude bitmap.h and sbitmap.h. * cselib.c: Include bitmap.h. * tree-optimize.c: Include regset.h. * stmt.c: Include bitmap.h. * Makefile.in: Update dependencies. 2010-05-22 Jan Hubicka * cgraph.h (struct varpool_node): Add same_comdat_group. * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group pointer. (output_varpool): Update call of lto_output_varpool_node. (input_varpool): Read same_comdat_group pointer. (input_varpool_1): Fixup same_comdat_group pointer. * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat group is needed, all are. * varpool.c (varpool_remove_node): Remove node from same comdat group linklist too. (varpool_analyze_pending_decls): Walk same comdat groups. 2010-05-22 Steven Bosscher * rtl.h (union rtunion_def): Remove rt_bit member. (XBITMAP, X0BITMAP, XCBITMAP): Remove. * print-rtl (print_rtx): Do not print the member. * gengtype.c (adjust_field_rtx_def): Do not handle it. * gengenrtl.c (type_from_format): Likewise. (accessor_from_format): Likewise. 2010-05-22 Joseph Myers * dbgcnt.c: Include toplev.h instead of errors.h. * ira-emit.c: Don't include errors.h. * ira.c: Include toplev.h instead of errors.h. * lto-compress.c: Include toplev.h instead of errors.h. * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o, ira.o, dbgcnt.o): Update dependencies. 2010-05-22 Richard Guenther * gimple.c (gimple_types_compatible_p): Check type qualifications before merging pointer to complete and pointer to incomplete type. * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure we use our own resolution algorithm. The gold linker plugin doesn't do the job we want it to do here. 2010-05-22 Anatoly Sokolov * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove. * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define. (sparc_mode_dependent_address_p): New function. 2010-05-21 Steven Bosscher * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars. * timevar.c: Do not include any core headers. (timevar_print): De-i18n-ize. (print_time): Likewise. * timevar.h (timevar_push, timevar_pop): Make inline functions. 2010-05-21 Joseph Myers * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or langhooks-def.h. (diagnostic_initialize): Initialize x_data not last_function. (diagnostic_report_current_function): Move to tree-diagnostic.c. (default_diagnostic_starter): Call diagnostic_report_current_module not diagnostic_report_current_function. (diagnostic_report_diagnostic): Initialize x_data not abstract_origin. (verbatim): Likewise. * diagnostic.h (struct diagnostic_info): Change abstract_origin to x_data. (struct diagnostic_context): Change last_function to x_data. (diagnostic_auxiliary_data): Replace with diagnostic_context_auxiliary_data and diagnostic_info_auxiliary_data. (diagnostic_last_function_changed, diagnostic_set_last_function, diagnostic_report_current_function): Move to tree-diagnostic.h. (print_declaration, dump_generic_node, print_generic_stmt, print_generic_stmt_indented, print_generic_expr, print_generic_decl, debug_c_tree, dump_omp_clauses, print_call_name, debug_generic_expr, debug_generic_stmt, debug_tree_chain, default_tree_printer): Move to tree-pretty-print.h. (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq, print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to gimple-pretty-print.h. * pretty-print.c: Don't include tree.h (pp_base_format): Don't handle %K here. (pp_base_tree_identifier): Move to tree-pretty-print.c. * pretty-print.h (text_info): Change abstract_origin to x_data. (pp_tree_identifier, pp_unsupported_tree, pp_base_tree_identifier): Move to tree-pretty-print.h. * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h, tree-pretty-print.h: New files. * tree-pretty-print.c: Include tree-pretty-print.h. (percent_K_format): New. Moved from pretty-print.c. (pp_base_tree_identifier): Move from pretty-print.c. * c-objc-common.c: Include tree-pretty-print.h. (c_tree_printer): Handle %K here. * langhooks.c: Include tree-diagnostic.h. (lhd_print_error_function): Use diagnostic_abstract_origin macro. * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h. (default_tree_printer): Handle %K using percent_K_format. (general_init): Use default_tree_diagnostic_starter. * tree.c: Include tree-diagnostic.h and tree-pretty-print.h. (free_lang_data): Use default_tree_diagnostic_starter. * c-pretty-print.c: Include tree-pretty-print.h. * cfgexpand.c: Include tree-pretty-print.h and gimple-pretty-print.h. * cgraphunit.c: Include tree-pretty-print.h and gimple-pretty-print.h. * dwarf2out.c: Include tree-pretty-print.h. * except.c: Include tree-pretty-print.h. * gimple-pretty-print.c: Include tree-pretty-print.h and gimple-pretty-print.h. * gimplify.c: Include tree-pretty-print.h. * graphite-poly.c: Include tree-pretty-print.h and gimple-pretty-print.h. * ipa-cp.c: Include tree-pretty-print.h. * ipa-inline.c: Include gimple-pretty-print.h. * ipa-prop.c: Include tree-pretty-print.h and gimple-pretty-print.h. * ipa-pure-const.c: Include gimple-pretty-print.h. * ipa-struct-reorg.c: Include tree-pretty-print.h and gimple-pretty-print.h. * ipa-type-escape.c: Include tree-pretty-print.h. * print-rtl.c: Include tree-pretty-print.h. * print-tree.c: Include gimple-pretty-print.h. * sese.c: Include tree-pretty-print.h. * tree-affine.c: Include tree-pretty-print.h. * tree-browser.c: Include tree-pretty-print.h. * tree-call-cdce.c: Include gimple-pretty-print.h. * tree-cfg.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-chrec.c: Include tree-pretty-print.h. * tree-data-ref.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-dfa.c: Include tree-pretty-print.h. * tree-if-conv.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-inline.c: Include tree-pretty-print.h. * tree-into-ssa.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-nrv.c: Include tree-pretty-print.h. * tree-object-size.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-outof-ssa.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-parloops.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-predcom.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-scalar-evolution.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-sra.c: Include tree-pretty-print.h. * tree-ssa-address.c: Include tree-pretty-print.h. * tree-ssa-alias.c: Include tree-pretty-print.h. * tree-ssa-ccp.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-coalesce.c: Include tree-pretty-print.h. * tree-ssa-copy.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-copyrename.c: Include tree-pretty-print.h. * tree-ssa-dce.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-dom.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-dse.c: Include gimple-pretty-print.h. * tree-ssa-forwprop.c: Include tree-pretty-print.h. * tree-ssa-ifcombine.c: Include tree-pretty-print.h. * tree-ssa-live.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-loop-im.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-loop-niter.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h. * tree-ssa-math-opts.c: Include gimple-pretty-print.h. * tree-ssa-operands.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-phiprop.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-pre.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-propagate.c: Include gimple-pretty-print.h. * tree-ssa-reassoc.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-sccvn.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-sink.c: Include gimple-pretty-print.h. * tree-ssa-ter.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-ssa-uninit.c: Include gimple-pretty-print.h. * tree-ssa.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-stdarg.c: Include gimple-pretty-print.h. * tree-switch-conversion.c: Include gimple-pretty-print.h. * tree-tailcall.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-vect-data-refs.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-vect-loop-manip.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-vect-loop.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-vect-patterns.c: Include gimple-pretty-print.h. * tree-vect-slp.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-vect-stmts.c: Include tree-pretty-print.h and gimple-pretty-print.h. * tree-vectorizer.c: Include tree-pretty-print.h. * tree-vrp.c: Include tree-pretty-print.h and gimple-pretty-print.h. * value-prof.c: Include tree-pretty-print.h and gimple-pretty-print.h. * var-tracking.c: Include tree-pretty-print.h. * Makefile.in (OBJS-common): Add tree-diagnostic.o. (tree-diagnostic.o): New dependencies. (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o, tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o, tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o, tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o, tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o, tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o, tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o, tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o, tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o, tree-ssa-address.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o, tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o, tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o, gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o, tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o, tree-parloops.o, tree-stdarg.o, tree-object-size.o, gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o, toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o, ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o, ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o, tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o, tree-switch-conversion.o, var-tracking.o, value-prof.o, cfgexpand.o, pretty-print.o): Update dependencies. 2010-05-22 Andreas Tobler * tree-ssa-structalias.c: Remove tm_p.h from include. 2010-05-21 Jeff Law * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo. 2010-05-21 Jason Merrill * tree-eh.c (cleanup_is_dead_in): New. (lower_try_finally): Don't generate a dead cleanup region. (lower_cleanup): Likewise. 2010-05-21 Jakub Jelinek PR debug/44223 * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST, unchain each use from the cyclic next_regno_use chain first. 2010-05-21 Steven Bosscher * real: Do not include gmp.h, mpfr.h, and mpc.h. (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove. (real_value_negate, real_value_abs): New prototypes. (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here... * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here, new include file for interface between MPFR and REAL_VALUE_TYPE. * real.c: Include realmpfr.h. (real_arithmetic2): Remove legacy function. (real_value_negate): New. (real_value_abs): New. (mfpr_from_real, real_from_mpfr): Move from here... * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file. * builtins.c: Include realmpfr.h. * fold-const.c: Include realmpfr.h. (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE. (fold_negate_const): Likewise. (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS. * toplev.c: Include realmpfr.h. * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs and real_value_negate. * fixed-value.c (check_real_for_fixed_mode): Likewise. * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise. (vfp3_const_double_index): Likewise. (arm_print_operand): Likewise. * Makefile.in: Update dependencies. 2010-05-21 Andreas Krebbel * config/s390/s390.c (override_options): Increase the default of max-completely-peel-times. 2010-05-21 Julian Brown Mark Mitchell * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid sibling calls for Thumb-1. * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2. * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for Thumb-2. (*call_insn, *call_value_insn): Don't use for Thumb-2. (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use for Thumb-2. (return): New expander. (*arm_return): New name for ARM return insn. * config/arm/thumb2.md (*thumb2_return): New insn pattern. 2010-05-19 Joel Sherrill * config.gcc (sparc64-*-rtems*): New target. 2010-05-21 Nathan Froyd * tree.c (build_function_decl_skip_args): Fix grammar. (build_function_type_list_1): Fix typos, adjust formatting. 2010-05-21 Steven Bosscher * tree.h: Include real.h and fixed-value.h as basic datatypes. * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h, tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c, tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c, tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c, genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c, tree-pretty-print.c, tree-loop-distribution.c, tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c, tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c, tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c, tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c, tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c, tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c, tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c, tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c, genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c, tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c, gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c, tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c, tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c, store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c, tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c, tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c, tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c, fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c, tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c, config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c, config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c, config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c, config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c, config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c, config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c, config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c, config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c, config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c, config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c, config/score/score7.c, config/score/score.c, config/arm/arm.c, config/pa/pa.c, config/mips/mips.c, config/vax/vax.c, config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c, config/bfin/bfin.c: Clean up redundant includes. * Makefile.in: Update accordingly. 2010-05-21 Nathan Froyd PR middle-end/44204 * builtins.c (fold_call_stmt): Pass &error_mark_node if the call statement has no arguments. 2010-05-21 Kai Tietz PR/44139 * varasm.c (emutls_decl): Merge attributes to new decl. 2010-05-21 Eric Botcazou PR middle-end/44101 * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR around the uniquized constructor if its type requires a conversion. 2010-05-21 Jakub Jelinek PR debug/44205 * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if at -O0 goto_locus of any of the incoming edges differs from goto_locus of outgoing edge, or gimple_location of any of the labels differs. 2009-09-14 Vladimir Makarov * ira.c (ira_non_ordered_class_hard_regs): Define. (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs. * ira-int.h (ira_non_ordered_class_hard_regs): Declare. * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase cost of unaligned hard regs when allocating multi-reg pseudos. 2010-05-20 Richard Sandiford * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt. * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float for TARGET_NO_FLOAT. * config/mips/mips.c (mips_file_start): Expand conditional expression into "if" statements. Use .gnu_attribute 4,0 for TARGET_NO_FLOAT. (mips_override_options): Move -mno-float override -msoft-float and -mhard-float. * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add Condition(TARGET_SUPPORTS_NO_FLOAT). * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set __mips_no_float here. (SUBTARGET_OVERRIDE_OPTIONS): Delete. (TARGET_SUPPORTS_NO_FLOAT): Define. * config/mips/sdemtk.opt: Delete. 2010-05-20 Segher Boessenkool * ipa-prop.c (compute_complex_ancestor_jump_func): Bail out if !cond. 2010-05-20 Uros Bizjak PR target/43733 * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode. * configure: Regenerate. * config.in: Regenerate. * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e instead of sahf only for 64bit targets. 2010-05-20 Jakub Jelinek PR debug/44178 * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call setup_ref_regs for DEBUG_INSNs. 2010-05-20 Jan Hubicka PR middle-end/44197 * varpool.c (varpool_remove_node): Handle in-varpool aliases. 2010-05-20 Kenneth Zadeck PR bootstrap/43870 * df-scan.c (df_ref_compare): Stabilize sort. 2010-05-20 Jakub Jelinek * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset argument. Don't use DW_OP_piece if offset is non-zero, put offset into second DW_OP_bit_piece argument. (dw_sra_loc_expr): Adjust callers. For memory expressions compute offset. 2010-05-20 Hans-Peter Nilsson PR target/44202 * config/cris/cris.md ("*addsi3_v32"): Correct "cc" settings for 16-bit-constant "addo" alternative. 2010-05-19 James E. Wilson * config/mips/mips-dsp.md (add3, mips_add_s_): Add ISA_HAS_DSP condition. PR target/43764 * mips.c (mips_call_expr_from_insn): New arg second_call. Set it. (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn. Use it. 2010-05-19 Joseph Myers * diagnostic.c (FLOAT, FFS): Don't undefine. * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise. * cse.c, regmove.c: Remove comments about stdio.h and rtl.h include ordering. 2010-05-19 Richard Sandiford * combine.c (propagate_for_debug): Call make_compound_operation on the source value. (try_combine): When implementing a split chosen by find_split_point, either copy i2src or set it to null. Assert that i2src is not null before substituting into CALL_INSN_FUNCTION_USAGE. 2010-05-19 Anatoly Sokolov * double-int.h (double_int_ior): New function. * tree.h (build_int_cst_wide_type): Remove. * tree.c (build_int_cst_wide_type): Remove. * fold-const.c (native_interpret_int): Use double_int_to_tree instead of build_int_cst_wide_type. * stor-layout.c (set_sizetype): (Ditto.). * dojump.c (do_jump): Use build_int_cstu instead of build_int_cst_wide_type. 2010-05-19 Eric Botcazou * langhooks.h (struct lang_hooks): Add new field deep_unsharing. * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro. (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING. * gimplify.c (mostly_copy_tree_r): Copy trees under SAVE_EXPR and TARGET_EXPR nodes, but only once, if instructed to do so. Do not propagate the 'data' argument to copy_tree_r. (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker. Propagate 'data' argument to walk_tree. (copy_if_shared): New function. (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker. (unmark_visited): New function. (unshare_body): Call copy_if_shared instead of doing it manually. (unvisit_body): Call unmark_visited instead of doing it manually. 2010-05-19 Nathan Froyd * hooks.h (hook_tree_tree_tree_bool_null): Rename to... (hook_tree_tree_int_treep_bool_null): ...this. Update signature. * hooks.c: Likewise. * target-def.h (TARGET_FOLD_BUILTIN): Define to hook_tree_tree_int_treep_bool_null. * target.h (struct gcc_target): Update signature of fold_builtin field. * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature. * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP instead of the call expression. (fold_builtin_call_array): Pass n and argarray directly. (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of consing a list. * config/alpha/alpha.c (alpha_fold_builtin): Update signature. Lift MAX_ARGS check out of the loop. Delete declaration of `arity', declare `i' and use it in place of `arity'. * config/sparc/sparc.c (sparc_fold_builtin): Update signature. Dereference `args' directly. * config/xtensa/xtensa (xtensa_fold_builtin): Likewise. 2010-05-19 Rainer Orth * doc/sourcebuild.texi (Effective-Target Keywords): Document 3dnow, sse3, sse2. (Directives): Document optional dg-require-effective-target selector. 2010-05-19 Richard Guenther PR lto/44196 * tree.c (find_decls_types_r): Walk BLOCKs and its vars. 2010-05-19 Richard Guenther * doc/invoke.texi (-fwhopr): Document new optional jobs argument. * common.opt (fwhopr=): New. * opts.c (common_handle_option): Handle OPT_fwhopr. * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*. * collect2.c (main): Match -fwhopr*. * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr. Execute ltrans stage in parallel when jobs is bigger than 1. 2010-05-19 Rainer Orth * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to pentiumpro on Solaris 8/x86 with Sun as. * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as hidden alias bug. (gcc_cv_as_ix86_quad): Check for .quad directive. * configure: Regenerate. * config.in: Regenerate. * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD. 2010-05-19 Martin Jambor * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions also for indirect edges. Actual printing moved... (ipa_print_node_jump_functions_for_edge): ...here. (ipa_compute_jump_functions): Renamed to ipa_compute_jump_functions_for_edge and made static. (ipa_compute_jump_functions): New function. (make_edge_direct_to_target): Check if the number of arguments on the newly direct edge is the same as the number of parametrs of the callee. * ipa-cp.c (ipcp_init_stage): Most functionality moved to new ipa_compute_jump_functions. Call ipa_analyze_params_uses. * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call analysis functions unconditionally, call the new ipa_analyze_params_uses on the node instead of every edge. 2010-05-19 Christian Borntraeger * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step to tree. (dump_mem_ref): Adopt debug code to handle a tree as step. This also checks for a constant int vs. non-constant but loop-invariant steps. (find_or_create_group): Change the sort algorithm to only consider steps that are constant ints. (idx_analyze_ref): Adopt code to handle a tree instead of a HOST_WIDE_INT for step. (gather_memory_references_ref): Handle tree instead of int and be prepared to see a NULL_TREE. (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune prefetches if the step cannot be calculated at compile time. (issue_prefetch_ref): Issue prefetches for non-constant but loop-invariant steps. 2010-05-18 Nathan Froyd Revert: 2010-05-18 Nathan Froyd * tree.h (build_call_list): Remove. * tree.c (build_call_list): Remove. 2010-05-18 Nathan Froyd * tree.h (build_call_list): Remove. * tree.c (build_call_list): Remove. 2010-05-18 Jan Hubicka * ipa-reference.c (propagate): Walk all nodes in the cleanup stage. 2010-05-18 Vladimir Makarov PR rtl-optimization/43332 * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier. 2010-05-18 Anatoly Sokolov * tree.h (build_int_cstu): Implement as static inline. * tree.c (build_int_cstu): Remove function. (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as sign extended. 2010-05-18 Richard Guenther PR lto/44143 * lto-wrapper.c (verbose): New variable. Initialize from -v. (debug): Initialize from -save-temps. (collect_execute): Print command-line when verbose. (run_gcc): Always use COLLECT_GCC_OPTIONS. Use fork_execute for ltrans invocation. Produce -dumpbase flag again. (process_args): Remove. (main): Simplify. * collect2.c (maybe_run_lto_and_relink): Only pass object files to lto-wrapper. * gcc.c (LINK_COMMAND_SPEC): Likewise. 2010-05-18 Jan Hubicka * opts.c (decode_options): Do not disable whopr at ipa_cp. * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too. 2010-05-18 Steven Bosscher PR lto/44184 * lto-streamer-out.c (output_gimple_stmt): Output number of labels in a GIMPLE_ASM. * lto-streamer-in.c (input_gimple_stmt): Read number of labels in a GIMPLE_ASM. 2010-05-18 Jakub Jelinek PR debug/41371 * var-tracking.c (find_loc_in_1pdv): Add a few checks from rtx_equal_p inline. 2010-05-18 Steven Bosscher * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add lto-macho as lto_binary_reader. * darwin.c (darwin_asm_named_section): Do not add assembler comment after .section directive; just print it before the directive instead. 2010-05-17 Jan Hubicka * cgraph.c (cgraph_create_virtual_clone): Only check versionable_function_p when not in wpa and checking is enabled. * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after there are no more functions to materialize. 2010-05-17 Jan Hubicka * cgraph.h (struct ipa_replace_map): Add parm_num parameter. * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary): New functions. (output_cgraph): Call output_cgraph_opt_summary. (input_cgrpah): Call input_cgraph_opt_summary. (output_cgraph_opt_summary_p, output_node_opt_summary, input_node_opt_summary, input_cgraph_opt_section): New functions. * lto-section-in.c (lto_section_name): Add cgraphopt. * tree-inline.c (tree_function_versioning): Handle parm_num. * lto-streamer.c (lto_get_section_name): Handle cgraphopt. * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum. 2010-05-17 Changpeng Fang * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio. * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply the insn to prefetch ratio heuristic to loops with known trip count. 2010-05-17 Changpeng Fang * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New. (schedule_prefetches): Do not generate a prefetch if the unroll factor is far from what is required by the prefetch. 2010-05-17 Jan Hubicka * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used. (ipcp_estimate_growth): Likewise. (ipcp_const_param_count): Likewise. (ipcp_insert_stage): Likewise. * ipa-prop.c (visit_load_for_mod_analysis): New function. (visit_store_addr_for_mod_analysis): Set used flag. (ipa_detect_param_modifications): Set used flag for SSE params; update use of walk_stmt_load_store_addr_ops. (ipa_print_node_params): Print used flag. (ipa_write_node_info): Stream used flag. (ipa_read_node_info): Likewise. * ipa-prop.h (struct ipa_param_descriptor): Add used field. (ipa_is_param_used): New function. (lto_ipa_fixup_call_notes): Remove unused declaration. 2010-05-17 Rainer Orth PR target/44074 * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test. * configure: Regenerate. * config.in: Regenerate. * config/i386/i386.c (print_operand) : Also print ";" if !HAVE_AS_IX86_REP_LOCK_PREFIX. Don't emit whitespace. * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep. (*rep_movsi): Likewise. (*rep_movsi_rex64): Likewise. (*rep_movqi): Likewise. (*rep_movqi_rex64): Likewise. (*rep_stosdi_rex64): Likewise. (*rep_stossi): Likewise. (*rep_stossi_rex64): Likewise. (*rep_stosqi): Likewise. (*rep_stosqi_rex64): Likewise. (*cmpstrnqi_nz_1): Use {%;} after repz. (*cmpstrnqi_nz_rex_1): Likewise. (*cmpstrnqi_1): Likewise. (*cmpstrnqi_rex_1): Likewise. (*strlenqi_1): Use {%;} after repnz. (*strlenqi_rex_1): Likewise. * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} . (*sync_compare_and_swap): Likewise. (sync_double_compare_and_swap): Likewise. (*sync_double_compare_and_swapdi_pic): Likewise. (sync_old_add): Likewise. (sync_add): Likewise. (sync_sub): Likewise. (sync_): Likewise. 2010-05-17 Martin Jambor * cgraph.h (cgraph_indirect_call_info): New fields anc_offset, otr_token and polymorphic. * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields. (cgraph_clone_edge): Copy the above fields. * tree.c (get_binfo_at_offset): New function. * tree.h (get_binfo_at_offset): Declare. * ipa-prop.h (enum jump_func_type): Added known_type jump function type, reordered items, updated comments. (union jump_func_value): Added base_type field, reordered fields. (enum ipa_lattice_type): Moved down in the file. (struct ipa_param_descriptor): New field polymorphic. (ipa_is_param_polymorphic): New function. * ipa-prop.c: Include gimple.h and gimple-fold.h. (ipa_print_node_jump_functions): Print known type jump functions. (compute_complex_pass_through): Renamed to... (compute_complex_assign_jump_func): this. (compute_complex_ancestor_jump_func): New function. (compute_known_type_jump_func): Likewise. (compute_scalar_jump_functions): Create known type and complex ancestor jump functions. (ipa_note_param_call): New parameter polymorphic, set the corresponding flag in the call note accordingly. (ipa_analyze_call_uses): Renamed to... (ipa_analyze_indirect_call_uses): this. New parameter target, define variable var only in the block where it is used. (ipa_analyze_virtual_call_uses): New function. (ipa_analyze_call_uses): Likewise. (combine_known_type_and_ancestor_jfs): Likewise. (update_jump_functions_after_inlining): Implemented handling of a number of new jump function types combination. (print_edge_addition_message): Removed. (make_edge_direct_to_target): New function. (try_make_edge_direct_simple_call): Likewise. (try_make_edge_direct_virtual_call): Likewise. (update_call_notes_after_inlining): Renamed to... (update_indirect_edges_after_inlining): this. Moved edge creation for indirect calls to try_make_edge_direct_simple_call, also calls try_make_edge_direct_virtual_call for virtual calls. (ipa_print_node_params): Changed the header message. (ipa_write_jump_function): Stream also known type jump functions. (ipa_read_jump_function): Likewise. (ipa_write_indirect_edge_info): Stream new fields in cgraph_indirect_call_info. (ipa_read_indirect_edge_info): Likewise. * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and GIMPLE_FOLD_H. 2010-05-17 Rainer Orth * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition. 2010-05-17 Nathan Froyd * tree.h (CALL_EXPR_ARGS): Delete. (call_expr_arglist): Delete. * tree.c (call_expr_arglist): Delete. * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to targetm.fold_builtin. * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter. Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN. * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename arglist parameter. Use CALL_EXPR_ARG. (picochip_expand_builtin_3op): Likewise. (picochip_expand_builtin_2opvoid): Likewise. (picochip_expand_array_get): Likewise. (picochip_expand_array_put): Likewise. (picochip_expand_array_testport): Likewise. (picochip_expand_builtin): Don't call CALL_EXPR_ARGS. Pass exp rather than arglist. * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of CALL_EXPR_ARGS. * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather than TREE_VALUE and TREE_CHAIN. * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise. * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of the arglist. 2010-05-17 Jakub Jelinek PR bootstrap/42347 * cfglayout.c (fixup_reorder_chain): Allow returnjump_p to have no fallthru edge. PR middle-end/44102 * cfgcleanup.c (try_optimize_cfg): When removing trivially empty bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL add BARRIER after previous bb if needed. 2010-05-17 Nathan Froyd * tree.c (build_function_type_list_1): Remove bogus assert condition. 2010-05-17 Alan Modra * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete unnecessary prototype. Replace copy_r12 and copy_r11 flag params with copy_reg rtx param. (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls. Correct cases where code for ABI_V4 did not initialise the reg used to access frame. Also leave frame_reg_rtx as sp for large frames that save no regs. 2010-05-17 Martin Jambor PR middle-end/44133 * tree-sra.c (create_access_replacement): New parameter rename, mark the replaement for renaming only when it is true. (get_access_replacement): Pass true in the rename parameter of create_access_replacement. (get_unrenamed_access_replacement): New function. (replace_uses_with_default_def_ssa_name): New parameter racc, get the replacement declaration from it. 2010-05-17 Bernd Schmidt * function.c (try_fit_stack_local, add_frame_space): New static functions. (assign_stack_local_1): Use them. Look for opportunities to use space previously wasted on alignment. * function.h (struct frame_space): New. (struct rtl_data): Add FRAME_SPACE_LIST member. * reload1.c (something_was_spilled): New static variable. (alter_reg): Set it. (reload): Test it in addition to testing if the frame size changed. 2010-05-17 Christian Borntraeger * config/s390/s390.c: Define sane prefetch settings and activate flag_prefetch_loop_arrays on -O3. * config/s390/s390.h: Declare that read can use write prefetch. 2010-05-17 Jakub Jelinek * lto-streamer-out.c (lto_output): Fix --enable-checking=release build. 2010-05-16 Jan Hubicka * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of function body; do not check stdarg field of struct function. 2010-05-16 Jan Hubicka * cgraph.c (dump_cgraph_node): Dump versionable flag. * cgraph.h (cgraph_local_info): Add versionable flag. * ipa-cp.c (ipcp_analyze_node): Set versionable flag. (ipcp_versionable_function_p): Use it. * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream versionable flag. 2010-05-16 Jan Hubicka * cgraph.c (cgraph_clone_node): Take decl argument and insert clone into hash when it is different from orig. (cgraph_create_virtual_clone): Update use of cgraph_clone_node. * cgraph.h (cgraph_clone_node): Update prototype. * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map. (lto_cgraph_encoder_delete): Delete body map. (lto_cgraph_encoder_size): Move to header. (lto_cgraph_encoder_encode_body_p, lto_set_cgraph_encoder_encode_body): New. (lto_output_node): Do not take written_decls argument; output clone_of pointer. (add_node_to): Add include_body_argument; call lto_set_cgraph_encoder_encode_body on master of the clone. (add_references): Update use of add_node_to. (compute_ltrans_boundary): Likewise. (output_cgraph): Do not create written_decls bitmap. (input_node): Take nodes argument; stream in clone_of correctly. (input_cgraph_1): Update use of input_node. * lto-streamer-out.c (lto_output): Use encoder info to decide what bodies to output. * ipa-inline.c (cgraph_clone_inlined_nodes, cgraph_decide_recursive_inlining): Update call of cgraph_clone_node. * lto-streamer.h (lto_cgraph_encoder_d): Add body. (lto_cgraph_encoder_size): Define here. (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p): Declare. 2010-05-16 Richard Guenther * doc/invoke.texi (-fipa-struct-reorg): Do not mention -fipa-type-escape. * ipa-type-escape.c (gate_type_escape_vars): Run when -fipa-struct-reorg runs. * opts.c (decode_options): Do not unset flag_ipa_type_escape. * common.opt (fipa-type-escape): Remove. 2010-05-16 Eric Botcazou * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO. (decode_options): Likewise. * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H. 2010-05-16 Jan Hubicka * ipa.c (function_and_variable_visibility): Also bring local all aliases. 2010-05-16 Richard Guenther * alias.c (nonoverlapping_memrefs_p): Remove use of IPA type-escape information. 2010-05-16 Joseph Myers * c-common.c (c_common_reswords): Add _Static_assert for C. * c-parser.c (c_token_starts_declaration, c_parser_next_token_starts_declaration, c_parser_static_assert_declaration_no_semi, c_parser_static_assert_declaration): New. (c_parser_declaration_or_fndef): Add parameter static_assert_ok. Handle static assertions if static_assert_ok. (c_parser_external_declaration, c_parser_declaration_or_fndef, c_parser_compound_statement_nostart, c_parser_label, c_parser_for_statement, c_parser_objc_methodprotolist, c_parser_omp_for_loop): All callers of c_parser_declaration_or_fndef changed. (c_parser_struct_declaration): Handle static assertions. (c_parser_compound_statement_nostart): Use c_parser_next_token_starts_declaration and c_token_starts_declaration to detect start of declarations. (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop): Likewise. 2010-05-16 Anatoly Sokolov * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros. * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define. (mmix_function_outgoing_value): Rename to... (mmix_function_value): ...this. Make static. Add 'outgoing' argument. (mmix_function_value_regno_p): Make static. (mmix_libcall_value): New function. * config/mmix/mmix-protos.h (mmix_function_outgoing_value, mmix_function_value_regno_p): Remove declaration. 2010-05-16 Eric Botcazou * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on BUILT_IN_ALLOCA if stack checking is enabled. 2010-05-16 Richard Guenther * var-tracking.c (vars_copy_1): Inline ... (vars_copy): ... here. Use FOR_EACH_HTAB_ELEMENT. (variable_union): Use FOR_EACH_HTAB_ELEMENT. Merge asserts. (variable_merge_over_cur): Adjust. Merge asserts. (variable_merge_over_src): Likewise. (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT. (variable_post_merge_new_vals): Merge asserts. (variable_post_merge_perm_vals): Likewise. (find_mem_expr_in_1pdv): Likewise. (dataflow_set_different_value): Remove. (onepart_variable_different_p): Merge asserts. (variable_different_p): Likewise. (dataflow_set_different_1): Inline ... (dataflow_set_different): ... here. Use FOR_EACH_HTAB_ELEMENT. (emit_notes_for_differences_1): Merge asserts. 2010-05-16 Richard Guenther * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE. * optabs.c (libfunc_decl_hash): Likewise. * varasm.c (emutls_decl): Likewise. 2010-05-16 Steven Bosscher * c-decl.c: Don't include gimple.h. (merge_decls): Do not copy gimple_body. 2010-05-15 Jason Merrill * c.opt: Add -fnothrow-opt. 2010-05-15 Jan Hubicka * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is analyzed. * passes.c (ipa_write_summaries): Write all analyzed nodes. 2010-05-15 Steven Bosscher * vecir.h: New file with VEC primitives for tree, gimple, and rtl. * Makefile.in: Add it. Fix all other Makefile dependencies for changes below. * tree.h: Include it instead of defining VEC primitives here. * gimple.h: Likewise. * rtl.h: Likewise. * tree-inline.h: Inlclude vecir.h instead of gimple.h. * except.h: Include vecir.h, break dependence on tree.h. * gimplify.c (append_to_statement_list_1, append_to_statement_list): Move from here... * tree-iterator.c: ...to here. * tree-iterator.h: Fix file introduction comment. Add extern markers. * c-lex.c: Include fixed-value.h instead of rtl.h. Do not include tm_p.h. * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included. * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h, integrate.h, function.h, toplev.h, tree-inline.h, ggc.h, tree-mudflap.h, and target.h. * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h, predict.h, tree-inline.h, gimple.h, and langhooks.h. * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h. Add FIXME for why gimple.h is still included (should be unnecessary since GCC 4.5 gimplification unit-at-a-time). * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h. * c-pragma.c: Add FIXME for why function.h needs to be included just for cfun, at front-end level. Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook. Do not include ggc.h, but include vecprim.h for VEC(char). * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h. Explain why target.h is included. * c-omp.h: Do not include tm.h, function.h, and bitmap.h. Explain why gimple.h is included. * c-ppoutput.c: Do not include tm.h. * c-common.c: Do not include gimple.h. Explain why expr.h is included. * c-parses.c: Explain why rtl.h is included, and that this (and only this) is also why tm.h must be included. Do not include except.h. * c-lang.c: Do not include ggc.h. 2010-05-15 Uros Bizjak * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX. 2010-05-15 Joseph Myers * c-decl.c (grokfield): Allow typedefs for anonymous structs and unions by default if those structs and unions have no tags. Do not condition anonymous struct and unions handling on flag_iso. Allow anonymous structs and unions for C1X. (finish_struct): Do not diagnose lack of named fields when anonymous structs and unions present for C1X. Accept flexible array members in structure with anonymous structs or unions but no directly named fields. * doc/extend.texi (Unnamed Fields): Update. 2010-05-15 Eric Botcazou * gimple.h (compare_field_offset): Rename into... (gimple_compare_field_offset): ...this. * gimple.c (compare_field_offset): Rename into... (gimple_compare_field_offset): ...this. Compare the full access if the offset is self-referential. (gimple_types_compatible_p): Adjust for above renaming. * lto-streamer-in.c (input_gimple_stmt): Likewise. Also compare the DECL_NONADDRESSABLE_P flag of fields before merging them. 2010-05-15 Nathan Froyd * tree.h (ctor_to_list): Delete. * tree.c (ctor_to_list): Delete. 2010-05-15 Jan Hubicka * ipa-reference.c: Include toplev.h (is_proper_for_analysis): Only add to all_module_statics if it is allocated. (write_node_summary_p, stream_out_bitmap, ipa_reference_write_optimization_summary, ipa_reference_read_optimization_summary): New. (struct ipa_opt_pass_d pass_ipa_reference): Add optimization summary streaming. * lto-cgraph.c (referenced_from_this_partition_p, reachable_from_this_partition_p): New functions. * tree-ssa-alias.c (ref_maybe_used_by_call_p_1, call_may_clobber_ref_p_1): Ask ipa-reference even for public vars. * opts.c (decode_options): Enable ipa_reference. * Makefile.in (ipa-reference.o): Add toplev.h dependency. * lto-streamer.h (referenced_from_this_partition_p, reachable_from_this_partition_p): Declare. 2010-05-15 Richard Guenther PR tree-optimization/44038 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid taking the address of a V_C_E of a constant. 2010-05-14 Jan Hubicka * tree.h (memory_identifier_string): Remove. * ipa-reference.c: Update comment; do not include gt-ipa-reference.h (ipa_reference_global_vars_info_d): Remove statics_not_read and statics_not_written. (ipa_reference_optimization_summary_d): New structure. (ipa_reference_optimization_summary_t): New type and vector. (ipa_reference_vars_info_d): Embedd structures instead of using pointers. (reference_vars_to_consider): Remove out of GGC space. (module_statics_escape): Remove. (global_info_obstack): Rename to ... (optimization_summary_obstack): ... this one. (initialization_status_t): Remove. (memory_identifier_string): Remove. (get_reference_vars_info): Fix indenting. (set_reference_vars_info): Likewise. (get_reference_optimization_summary): New. (set_reference_optimization_summary): New. (get_global_reference_vars_info): Remove. (ipa_reference_get_read_global): Remove. (ipa_reference_get_written_global): Remove. (ipa_reference_get_not_read_global): Update. (ipa_reference_get_not_written_global): Update. (is_proper_for_analysis): Outlaw addressable. (propagate_bits): Update for new datastructures. (analyze_variable): Remove. (init_function_info): Update for new datastructures. (clean_function_local_data): Remove. (clean_function): Remove. (copy_global_bitmap): Use optimizations_summary_obstack. (duplicate_node_data): Duplicate optimization summary only. (remove_node_data): Remove optimization summary only. (generate_summary): Do not analyze variables; do not compute module_statics_escape; do not prune solutions by it. (read_write_all_from_decl): Fix typos in comments. (propagate): Doscover readonly and nonaddressable first; update for new datastructures; share global bitmaps. * ipa-reference.h (ipa_reference_get_read_global, ipa_reference_get_written_global): Remove. * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string. * Makefile.in: Remove ipa-refereference from GT files. 2010-05-14 Jakub Jelinek PR debug/44112 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN for all SYMBOL_REF_DECLs. 2010-05-14 Jan Hubicka * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare. (varpool_all_refs_explicit_p): New inline function. * ipa-reference.c: Update comment. (module_statics_written): Remove. (get_static_decl): Remove. (ipa_init): Do not initialize module_statics_written. (analyze_function): Likewise. (generate_summary): Likewise; do not compute module_statics_readonly and do not update variable flags. (propagate): Call ipa_discover_readonly_nonaddressable_vars. * ipa.c: Inlucde flags.h (cgraph_local_node_p): New. (cgraph_remove_unreachable_nodes): Return early when not optimizing; promote functions to local. (ipa_discover_readonly_nonaddressable_vars): New function. (function_and_variable_visibility): Use cgraph_local_node_p. * varpool.c (varpool_finalize_decl): Set force_output for DECL_PRESERVE_P vars. 2010-05-14 Jan Hubicka * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit. 2010-05-14 Richard Guenther PR tree-optimization/44119 * tree-ssa-pre.c (eliminate): Properly mark replacement of a PHI node necessary. 2010-05-14 Eric Botcazou * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL. 2010-05-14 Jason Merrill PR c++/44127 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW. (gimple_call_set_nothrow): New. * gimple.c (gimple_build_call_from_tree): Call it. (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW. PR c++/44127 * gimplify.c (gimplify_seq_add_stmt): No longer static. * gimple.h: Declare it. * gimple.c (gimple_build_eh_filter): No ops. 2010-05-14 Jan Hubicka * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue nodes already in queue. (cgraph_remove_unreachable_nodes): Cleanup; fix problem with re-enqueueing node. 2010-05-14 Jakub Jelinek PR debug/44136 * cfgexpand.c (expand_debug_expr): If non-memory op0 has BLKmode, return NULL. 2010-05-14 Harsha Jagasia * config.gcc: Add support for --with-cpu option for bdver1. * config/i386/i386.h (TARGET_BDVER1): New macro. (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL. (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL. Add SSE_PACKED_SINGLE_INSN_OPTIMAL. (TARGET_CPU_DEFAULT_NAMES): Add bdver1. (processor_type): Add PROCESSOR_BDVER1. * config/i386/i386.md: Add bdver1 as a new cpu attribute to match processor_type in config/i386/i386.h. Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of movapd when replacing movsd or movss for SSE and AVX. Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed xor instead of packed double/packed integer xor for SSE and AVX when moving a zero value. * config/i386/sse.md: Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of movapd/movdqa for SSE and AVX. Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single logical operations i.e and, or and xor instead of packed double logical operations for SSE and AVX. * config/i386/i386-c.c (ix86_target_macros_internal): Add PROCESSOR_BDVER1. * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1. (has_fma4, has_xop): New. * config/i386/i386.c (bdver1_cost): New variable. (m_BDVER1): New macro. (m_AMD_MULTIPLE): Add m_BDVER1. (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen, x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx, x86_tune_use_simode_fiop, x86_tune_promote_qimode, x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8, x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency, x86_tune_sse_partial_reg_dependency, x86_tune_sse_unaligned_load_optimal, x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores, x86_tune_memory_mismatch_stall, x86_tune_use_ffreep, x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions, x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem, x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch): Enable/disable for bdver1. (processor_target_table): Add bdver1_cost. (cpu_names): Add bdver1. (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in processor_alias_table. (ix86_expand_vector_move_misalign): Change. TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL. Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL. Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead of movupd/movdqu for SSE and AVX. (ix86_tune_issue_rate): Add PROCESSOR_BDVER1. (ix86_tune_adjust_cost): Add code for bdver1. (standard_sse_constant_opcode): Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead of packed double xor for SSE and AVX. 2010-05-14 Pat Haugen * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs() result to unsigned. 2010-05-14 Tristan Gingold * toplev.c (default_debug_hooks): Remove this variable. (process_options): Remove assignments to default_debug_hooks. 2010-05-14 Martin Jambor * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove. (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF. * langhooks.h (struct lang_hooks_for_decls): Removed field fold_obj_type_ref. * tree.c (free_lang_data): Remove assignment to lang_hooks.fold_obj_type_ref. * tree.def (OBJ_TYPE_REF): Update comment. 2010-05-14 Richard Guenther PR tree-optimization/44124 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access. 2010-05-14 Alan Modra PR target/44075 * config/rs6000/rs6000.c (struct machine_function): Reorder fields for better packing. Add lr_save_state. (rs6000_ra_ever_killed): Return lr_save_state if set. (rs6000_emit_eh_reg_restore): Set lr_save_state. 2010-05-13 Jan Hubicka * varpool.c (decide_is_variable_needed): Drop code checking TREE_SYMBOL_REFERENCED. 2010-05-13 Jan Hubicka * final.c (output_addr_const): Do not call mark_decl_referenced. * cgraphunit.c (process_function_and_variable_attributes): Use mark_needed_node dirrectly. (assemble_thunk): Do not call mark_decl_referenced. 2010-05-13 Anatoly Sokolov * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx. 2010-05-13 Jeff Law * ira-conflicts.c (print_allocno_conflicts): New function broken out from... (print_conflicts): Call print_allocno_conflicts. 2010-05-13 Jakub Jelinek PR debug/44104 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die if it is NULL. 2010-05-13 Kai Tietz * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose t-mingw-w64 or t-mingw-w32 for multilib configuration. * config/i386/t-mingw-w32: New. * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib. 2010-05-13 Martin Jambor * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to gimple-fold.c). * gimple-fold.c (get_base_binfo_for_type): New function. (gimple_get_relevant_ref_binfo): Likewise. (gimple_fold_obj_type_ref_known_binfo): Likewise. (gimple_fold_obj_type_ref): Likewise. (fold_gimple_call): Simplify condition for folding virtual calls and call gimple_fold_obj_type_ref. * gimple.h (gimple_get_relevant_ref_binfo): Declare. (gimple_fold_obj_type_ref_known_binfo): Likewise. 2010-05-13 Andreas Schwab * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr): Change argument to const_rtx. * config/rs6000/rs6000.c (rs6000_mode_dependent_address) (rs6000_debug_mode_dependent_address) (rs6000_mode_dependent_address_ptr): Likewise. 2010-05-13 Jakub Jelinek PR debug/43983 * var-tracking.c (track_expr_p): Allow tracking of variables optimized by SRA. * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H). * tree-sra.c (create_access_replacement): Call unshare_expr before passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it. * dwarf2out.c: Include tree-flow.h. (struct var_loc_node): Rename var_loc_note field to loc, add comment. (size_of_loc_descr, output_loc_operands, output_loc_operands_raw): Handle DW_OP_bit_piece. (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node, construct_piece_list, adjust_piece_list): New functions. (add_var_loc_to_decl): Handle SRA optimized variables. Adjust for var_loc_note to loc field renaming. (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl in VAR_LOCATION note. (new_loc_descr_op_bit_piece): New function. (dw_sra_loc_expr): New function. (dw_loc_list): Use it. Don't handle the last range after the loop, handle it inside of the loop. Adjust for var_loc_note to loc field renaming. (add_location_or_const_value_attribute): Only special case single entry loc lists if loc is NOTE_P. Adjust for var_loc_note to loc field renaming. (dwarf2out_var_location): Don't set newloc->var_loc_note and newloc->next here. 2010-05-12 Jan Hubicka * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed flag. * cgraph.h (cgraph_only_called_directly_p, cgraph_can_remove_if_no_direct_calls_p): test address_taken flag. (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function. * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken. (assemble * ipa.c (cgraph_remove_unreachable_nodes): Use cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken flags. * tree-inline.c (copy_bb): Check address_taken flag. * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and externally_visible flag. 2010-05-12 Jason Merrill PR bootstrap/44048 PR target/44099 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling. * sdbout.c (plain_type_1): Likewise. * dwarf2out.c (is_base_type): Likewise. (gen_type_die_with_usage): Likewise. Generate DW_TAG_unspecified_type for any LANG_TYPE. 2010-05-12 Jan Hubicka * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build indrect edges too. * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument. (cgraph_clone_edge): Update. (cgraph_node_remove_callees): Remove indirect calls too. * cgraph.h (cgraph_indirect_call_info): Add ecf_flags. (cgraph_create_indirect_edge): Update prototype. * ipa-reference.c (has_proper_scope_for_analysis): Rename to is_proper_for_analysis. (add_new_function, visited_nodes, function_insertion_hook_holder, get_local_reference_vars_info, mark_address_taken, mark_address, mark_load, mark_store, check_asm_memory_clobber, check_call, scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove. (ipa_init): Do not initialize visited_nodes; function_insertion_hook_holder. (analyze_variable): Rewrite. (analyze_function): Rewrite. (copy_local_bitmap): Remove. (duplicate_node_dat): Do not duplicate local info. (generate_summary): Simplify to only walk cgraph. (write_node_summary_p, ipa_reference_write_summary, ipa_reference_read_summary): Remove. (propagate): Do not remove function insertion; generate summary. (pass_ipa_reference): NULLify summary handling fields. * lto-cgraph.c (lto_output_edge): Output ecf_flags. (input_edge): Input ecf_flags. * ipa-prop.c (ipa_note_parm_call): Expect edge to be around. (update_indirect_edges_after_inlining): Ignore edges with unknown param. 2010-05-12 Sriraman Tallam * implicit-zee.c: New file. * tree-pass.h (pass_implicit_zee): Declare. * passes.c (init_optimization_passes): Add zee pass. * common.opt (fzee): New flag. * timevar.def (TV_ZEE): Define. * config/i386/i386.c (optimization_options): Turn on ZEE for level 2 and beyond. * Makefile.in (implicit-zee.o): Add new build file. 2010-05-12 Kazu Hirata Nathan Froyd * c-common.c (sync_resolve_params): Remove write-only variable. 2010-05-12 Anatoly Sokolov * target.h (struct gcc_target): Add mode_dependent_address_p field. * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New. (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P. * targhooks.c (default_mode_dependent_address_p): New function. * targhooks.h (default_mode_dependent_address_p): Declare function. * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New. (GO_IF_MODE_DEPENDENT_ADDRESS): Update. * recog.c (mode_dependent_address_p): Call mode_dependent_address_p target hook. Change return type to bool. * recog.h (mode_dependent_address_p): Change return type to bool. 2010-05-12 Kazu Hirata Nathan Froyd * tree-mudflap.c (build_function_type_0, build_function_type_1, build_function_type_2, build_function_type_3): Remove. (mudflap_init): Use build_function_type_list. 2010-05-12 Kazu Hirata Nathan Froyd * coverage.c (build_fn_info_value): Call build_constructor instead of build_constructor_from_list. (build_ctr_info_value): Likewise. (build_gcov_info): Likewise. 2010-05-12 Nathan Froyd * tree.c (build_constructor): Compute TREE_CONSTANT for the resultant constructor. (build_constructor_single): Don't set TREE_CONSTANT. (build_constructor_from_list): Don't compute TREE_CONSTANT. 2010-05-12 Jan Hubicka * cgraph.h (struct varpool_node): Add aux. * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes. * varpool.c (varpool_remove_node): Do not remove initializer. (varpool_reset_queue): Export. (varpool_finalize_decl): Volatile vars are forced to be output. * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of replaced decl. * ipa.c (enqueue_cgraph_node, enqueue_varpool_node, process_references, varpool_can_remove_if_no_refs): New functions. (cgraph_remove_unreachable_nodes): Handle variables too. 2010-05-12 H.J. Lu PR target/44088 * config/i386/sse.md (*avx_vmmaskcmp3): New. 2010-05-12 Jakub Jelinek PR middle-end/44085 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK, change value of ORT_TASK. (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK. (omp_notice_threadprivate_variable): New function. (omp_notice_variable): Call it for threadprivate variables. If enclosing ctx is a task, print enclosing task rather than enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK. (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK if task has untied clause. PR debug/42278 * dwarf2out.c (base_type_die): Don't add name attribute here. (modified_type_die): Instead of sizetype use its underlying original type. If a DW_TAG_base_type doesn't have name added, add __unknown__. (dwarf2out_imported_module_or_decl_1): Don't call base_type_die, always call force_type_die instead. 2010-05-12 Maxim Kuvyrkov * targhooks.c (default_stack_protect_guard): Avoid sharing RTL for __stack_chk_guard. 2010-05-11 Jakub Jelinek * c-opts.c (c_common_parse_file): If start_end_main_source_file, don't call start_source_file debug hook here... (finish_options): ... but here, after outputting predefined and command line defines and undefs. PR middle-end/44071 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have no fallthru edge. * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode optimizing away empty bb with no successors, move over its footer chain to fallthru predecessor. * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND. (rtl_split_edge): For asm goto call patch_jump_insn even if splitting fallthru edge. PR c++/44059 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls. * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise. * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY on DW.ref.* decls. PR c++/44062 * c-parser.c (c_parser_expression): Mark LHS of a comma expression as read if it is a decl, handled component or COMPOUND_EXPR with that on the RHS. * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR if it is a decl or handled component. 2010-05-11 Jan Hubicka * lto-symtab.c (lto_symtab_free): New function. * lto-streamer.h (lto_symtab_free): Declare. 2010-05-11 Jan Hubicka * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume that if function is needed it is reachable. (lto_output_node): See if it the function is reachable or referenced. (output_cgraph): Update call of lto_output_node. * lto-streamer.h (reachable_from_other_partition_p): Declare. 2010-05-11 Jan Hubicka * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__): Mark as used. 2010-05-11 Jan Hubicka PR tree-optimize/44063 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue. (cgraph_decide_inlining_of_small_function): Skip check when disrgarding limits. (estimate_function_body_sizes): Compute sizes even when disregarding. 2010-05-11 Kai Tietz * collect2.c (maybe_lto_object_file): Add x64-coff magic and check. 2010-05-11 Jan Hubicka * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes into every boundary. 2010-05-11 Jan Hubicka * matrix-reorg.c (matrix_reorg): Rebuild edges. 2010-05-11 Jan Hubicka * lto-streamer.c (lto_streamer_cache_add_to_node_array, lto_streamer_cache_delete): Put nodes into heap. * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in heap. 2010-05-11 Jan Hubicka * cgraphbuild.c (cgraph_rebuild_references): New. * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized out extern inlines. * cgraph.h (cgraph_rebuild_references): Declare. * tree-inline.c (tree_function_versioning): Use it. * ipa-struct-reorg.c (do_reorg_for_func): Likewise. 2010-05-11 Jan Hubicka * cgraph.c: Include ipa-utils.h (cgraph_create_virtual_clone): Update references. * Makefile.in (cgraph.o): Add dependency at ipa-utils.h 2010-05-11 Christian Borntraeger * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset prefetch_before to PREFETCH_ALL if to accesses "meet" beyond cache size. 2010-05-11 Christian Borntraeger * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches. 2010-05-11 Jakub Jelinek * gcc.c (execute): For -### don't quote arguments that contain just alphanumerics and _/-. characters. * doc/invoke.texi: Document that change for -###. PR debug/44023 * df-problems.c (struct dead_debug): Add to_rescan field. (dead_debug_init): Clear to_rescan field. (dead_debug_finish): Rescan all debug insns in to_rescan bitmap and free the bitmap. (dead_debug_insert_before): Instead of rescanning debug insns immediately queue their rescanning until dead_debug_finish. (df_note_bb_compute): After dead_debug_add do continue instead of break. 2010-05-10 Jakub Jelinek PR debug/44028 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC, clear also INSN_REG_USE_LIST. 2010-05-10 Rainer Orth * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef. 2010-05-10 Jan Hubicka * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change. 2010-05-10 Jan Hubicka * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate encoders. * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here. * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool. (lto_streamer_cache_create): Init alloc pool. (lto_streamer_cache_delete): Free alloc pool. * lto-streamer.h: Include alloc pool. (lto_streamer_cache_d): Use alloc pool. * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states. 2010-05-10 Jan Hubicka * Makefile.in (cgraphbuild.o): Add dependency on except.h. * cgraphbuild.c: Include except.h (record_type_list, record_eh_tables): New function. (build_cgraph_edges, rebuild_cgraph_edges): Use it. 2010-05-10 Jan Hubicka * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry, __frame_dummy_init_array_entry, force_to_data): Attribute as used rather than unused. 2010-05-10 Michael Matz * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg. (can_reassociate_p): Use FLOAT_TYPE_P. * tree-vectorizer.h (vect_is_simple_reduction): Rename to ... (vect_force_simple_reduction): ... this. * tree-parloops.c (gather_scalar_reductions): Use vect_force_simple_reduction. * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from vect_is_simple_reduction, add modify argument, if true rewrite "a-b" into "a+(-b)". (vect_is_simple_reduction, vect_force_simple_reduction): New functions. (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction. 2010-05-10 H.J. Lu Vladimir Makarov PR rtl-optimization/44012 * ira-build.c (remove_unnecessary_allocnos): Nullify regno_allocno_map of the removed allocno. 2010-05-10 Rainer Orth * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors to /dev/null. * configure: Regenerate. 2010-05-10 Rainer Orth * config/sol2.c (solaris_assemble_visibility): Declare decl, vis unused. Define visibility_types, name, type inside HAVE_GAS_HIDDEN. * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility support in Sun ld. * configure: Regenerate. 2010-05-10 Richard Guenther * lto-symtab.c (lto_symtab_entry_marked_p): Make entry marked if the entry identifier is marked. 2010-05-10 Richard Guenther * c-common.c (struct c_common_attributes): Add fnspec attribute. (handle_fnspec_attribute): New function. * gimple.h (gimple_call_return_flags): Declare. (gimple_call_arg_flags): Likewise. * gimple.c (gimple_call_arg_flags): New function. (gimple_call_return_flags): Likewise. * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED): New argument flags. (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function return value flags. * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args. * tree-ssa-structalias.c (make_constraint_from_heapvar): Split main work to ... (make_heapvar_for): ... this new function. (handle_rhs_call): Handle fnspec attribute argument specifiers. (handle_lhs_call): Likewise. (find_func_aliases): Adjust. 2010-05-10 Richard Guenther PR tree-optimization/44050 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag. 2010-05-10 Wei Guozhi PR target/42879 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern. 2010-05-09 Joseph Myers PR c/10676 * c-typeck.c (lookup_field): Take a type directly. Update recursive calls. (build_component_ref): Update call to lookup_field. (set_init_label): Use lookup_field to find initialized field. Handle returned list of fields like a sequence of designators. 2010-05-09 Richard Guenther PR middle-end/44024 * fold-const.c (tree_single_nonzero_warnv_p): Properly handle &FUNCTION_DECL. 2010-05-09 Joseph Myers PR c/4784 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous structures and unions recursively. (detect_field_duplicates): Move duplicate detection with a hash to detect_field_duplicates_hash. Always use a hash if anonymous structures or unions are present. * doc/extend.texi (Unnamed Fields): Document that duplicate fields give errors. 2010-05-09 H.J. Lu PR target/44046 * config/i386/driver-i386.c (host_detect_local_cpu): Properly detect Atom, Core 2 and Core i7. 2010-05-09 Richard Guenther * gcc.c (store_arg): Handle temporary file deletion for joined arguments. 2010-05-09 Richard Guenther PR middle-end/44043 * ipa-inline.c (estimate_function_body_sizes): Return after disregarding inline limits. 2010-05-09 Richard Guenther * gcc.c (store_arg): Revert last change. 2010-05-08 Sandra Loosemore PR middle-end/28685 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function. (optimize_ops_list): Call it. 2010-05-08 Richard Guenther PR tree-optimization/44030 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set NECESSARY flag if we propagate from a inserted expression. 2010-05-08 Eric Botcazou * gimple.c (gimple_types_compatible_p) : Treat bounds of domain types as equal if they are both PLACEHOLDER_EXPRs. 2010-05-08 Richard Guenther * lto-wrapper.c (run_gcc): Remove linker output from command line for LTRANS invocation. 2010-05-07 Steven Bosscher * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add lto-macho as lto_binary_reader. * target.h (struct gcc_target): New hooks lto_start and lto_end. * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define. * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation in lto_start and lto_end calls. (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O magic numbers. (scan_prog_file): Update is_elf_or_coff call. * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document. * collect2.c (main): Fix enum comparison. * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end): Add prototypes. * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker. * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START and TARGET_ASM_LTO_END. * darwin.c: Include obstack.h and lto-streamer.h. (lto_section_names_offset, lto_section_names_obstack, lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static global variables. (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines. (darwin_asm_lto_start): New function. Redirect output to asm_out_file to a temporary file. (darwin_asm_lto_end): New function. Restore asm_out_file. (darwin_asm_named_section): For LTO sections, replace the name with the offset of the section name in a string table, and build this table. (darwin_file_start): Initialize global vars for LTO support. (darwin_file_end): If output to asm_out_file was redirected, append it to the proper asm_out_file here. Add the section names section. 2010-05-07 Steven Bosscher * c-pragma.c (pending_weak_d, pending_weak): New. (pending_weaks): Change the type to VEC((pending_weak,gc) *. (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks, handle_pragma_weak): Update the uses of pending_weaks. 2010-05-07 Ralf Wildenhues PR documentation/44016 * doc/standards.texi (Standards): Link to unversioned cxx0x_status.html page. 2010-05-07 Iain Sandoe PR target/43708 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P in addition to TREE_USED, to avoid "set but unused" warnings. 2010-05-07 Changpeng Fang * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New. (is_loop_prefetching_profitable): Do not insert prefetches when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO times the prefetch ahead distance. 2010-05-07 Changpeng Fang * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Account for loop unrolling in the insn-to-prefetch ratio heuristic. (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable the unroll_factor. 2010-05-07 Changpeng Fang * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump a diagnostic info when the insn-to-mem ratio is too small. 2010-05-07 Richard Guenther * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to the linker plugin. (store_arg): Queue temp_filename for deletion instead of the whole argument. 2010-05-07 Richard Guenther * lto-wrapper.c (DUMPBASE_SUFFIX): Define. (run_gcc): Handle LTRANS phase invocation. * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS. 2010-05-07 Jakub Jelinek * tree.h (TREE_ADDRESSABLE): Adjust comment to say that this is also meaningful on PARM_DECLs and RESULT_DECLs. 2010-05-07 Rainer Orth * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r. 2010-05-07 Richard Guenther PR tree-optimization/44020 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted code when PRE is not yet initialized. 2010-05-07 Rainer Orth * config/mips/dbxmdebug.h: Remove. * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h. 2010-05-07 Shujing Zhao * c-typeck.c (build_binary_op): Warn ordered comparison of pointer with null pointer and also warn about ordered comparison of zero with pointer if -Wextra. 2010-05-05 Andreas Simbuerger * graphite-blocking.c (pbb_strip_mine_profitable_p): Replace Value with mpz_t. * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same. (precision_for_value): Same. (precision_for_interval): Same. (gcc_type_for_interval): Same. (graphite_create_new_guard): Same. (compute_bounds_for_level): Same. (graphite_create_new_loop_guard): Same. * graphite-interchange.c (build_linearized_memory_access): Same. (pdr_stride_in_loop): Same. (memory_strides_in_loop_1): Same. (memory_strides_in_loop): Same. (extend_scattering): Same. (psct_scattering_dim_for_loop_depth): Same. (pbb_number_of_iterations): Same. * graphite-poly.h (debug_iteration_domains): Same. * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same. (ppl_set_inhomogeneous_gmp): Same. (ppl_strip_loop): Same. (ppl_lexico_compare_linear_expressions): Same. (ppl_read_polyhedron_matrix): Same. (ppl_max_for_le_pointset): Same. * graphite-ppl.h (ppl_read_polyhedron_matrix): Same. (tree_int_to_gmp): Same. (gmp_cst_to_tree): Same. (ppl_set_inhomogeneous): Same. (ppl_set_inhomogeneous_tree): Same. (ppl_set_coef): Same. (ppl_set_coef_tree): Same. * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same. (build_scop_scattering): Same. (scan_tree_for_params_right_scev): Same. (scan_tree_for_params): Same. (find_params_in_bb): Same. (find_scop_parameters): Same. (add_upper_bounds_from_estimated_nit): Same. (build_loop_iteration_domains): Same. (add_condition_to_domain): Same. (pdr_add_memory_accesses): Same. 2010-05-05 Andreas Simbuerger * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve CLooG's value_* macros to their respective mpz_* counterparts. * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same. (graphite_create_new_loop_guard): Same. * graphite-interchange.c (build_linearized_memory_access): Same. (pdr_stride_in_loop): Same. (memory_strides_in_loop_1): Same. (1st_interchange_profitable_p): Same. * graphite-poly.c (extend_scattering): Same. (psct_scattering_dim_for_loop_depth): Same. (pbb_number_of_iterations): Same. (pbb_number_of_iterations_at_time): Same. * graphite-poly.h (new_1st_loop): Same. * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same. (oppose_constraint): Same. (insert_constraint_into_matrix): Same. (ppl_set_inhomogeneous_gmp): Same. (ppl_set_coef_gmp): Same. (ppl_strip_loop): Same. (ppl_lexico_compare_linear_expressions): Same. (ppl_max_for_le_pointset): Same. (ppl_min_for_le_pointset): Same. (ppl_build_realtion): Same. * graphite-ppl.h (gmp_cst_to_tree): Same. (ppl_set_inhomogeneous): Same. (ppl_set_inhomogeneous_tree): Same. (ppl_set_coef): Same. (ppl_set_coef_tree): Same. * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same. (build_scop_scattering): Same. (add_value_to_dim): Same. (scan_tree_for_params_right_scev): Same. (scan_tree_for_params_int): Same. (scan_tree_for_params): Same. (find_params_in_bb): Same. (find_scop_parameters): Same. (add_upper_bounds_from_estimated_nit): Same. (build_loop_iteration_domains): Same. (create_linear_expr_from_tree): Same. (add_condition_to_domain): Same. (pdr_add_memory_accesses): Same. 2010-05-06 Magnus Fromreide Jason Merrill * c-common.c (c_common_reswords): Add nullptr. * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids. * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE. (gen_type_die_with_usage): Likewise. * dbxout.c (dbxout_type): Likewise. * sdbout.c (plain_type_1): Likewise. 2010-05-06 Jason Merrill * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate. Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set ret appropriately. (gimplify_compound_lval): Return GS_ALL_DONE as appropriate. * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for stripping WITH_SIZE_EXPR. (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't change. 2010-05-06 Rainer Orth * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from list of obsolete configurations. Disabled check for obsolete configurations. (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*. Removed support for previous versions. * config/mips/iris.h: Removed. * config/mips/iris5.h: Removed. * config/mips/iris6.h: Merged old iris.h contents. (TARGET_IRIX): Removed. (DRIVER_SELF_SPECS): Removed mabi=32. (IDENT_ASM_OP): Removed undef. (STARTFILE_SPEC): Removed mabi=32. (ENDFILE_SPEC): Likewise. (IRIX_SUBTARGET_LINK_SPEC): Likewise. (MACHINE_TYPE): Update for IRIX 6.5. * config/mips/mips.c (mips_build_builtin_va_list): Replaced TARGET_IRIX by TARGET_IRIX6. (mips_file_start): Likewise. (mips_output_external): Remove IRIX 5/6 O32 support. (mips_output_function_prologue): Likewise. * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by TARGET_IRIX6. (TARGET_CPU_CPP_BUILTINS): Likewise. (TARGET_IRIX): Removed. * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32. (MULTILIB_DIRNAMES): Removed 32. (MULTILIB_OSDIRNAMES): Removed ../lib. * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5. (Specific, mips-sgi-irix5): Document removal. (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal. Remove references to older IRIX 6 releases and the O32 ABI. 2010-05-06 Jakub Jelinek PR bootstrap/43994 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC instead of DF_REF_REAL_REG. 2010-05-06 Dave Korn PR target/43888 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol handling to still return true for x64 targets. 2010-05-06 Maxim Kuvyrkov * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h. 2010-05-06 Jan Hubicka PR tree-optimization/43791 * ipa-inline.c (update_caller_keys): Remove bogus disregard_inline_limits check. 2010-05-06 Michael Matz PR tree-optimization/43984 * tree-ssa-pre.c (inserted_phi_names): Remove. (inserted_exprs): Change to bitmap. (create_expression_by_pieces): Set bits, don't append to vector. (insert_into_preds_of_block): Don't handle inserted_phi_names. (eliminate): Don't look at inserted_phi_names, remove deleted insns from inserted_exprs. (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors. (init_pre, fini_pre): Allocate and free bitmaps. (execute_pre): Insert insns on edges before elimination. 2010-05-06 Maxim Kuvyrkov * tree.c (initializer_zerop): Handle STRING_CST. 2010-05-06 Manuel López-Ibáñez PR 40989 * doc/invoke.texi (Wimplicit): Document as C only. * opts.c (common_handle_option): Add argument kind. (handle_option): Rename as read_cmdline_option. Factor out code to... (handle_option): ... here. New. (handle_options): Rename as read_cmdline_options. (decode_options): Update call. (set_option): Use option index instead of option pointer. Classify diagnostics correctly. (enable_warning_as_error): Call handle_option. * opts.h (set_option): Update declaration. (handle_option): Declare. * langhooks.h (struct lang_hooks): Add argument kind to handle_option. * c.opt (Wimplicit,Wimplicit-int): Initialize to -1. * c-opts.c (set_Wimplicit): Delete. (c_family_lang_mask): New static constant. (c_common_handle_option): Add argument kind. Use handle_option instead of set_Wimplicit. (c_common_post_options): warn_implicit and warn_implicit_int are disabled by default. * c-common.c (warn_implicit): Do not define here. * c-common.h (warn_implicit): Do not declare here. (c_common_handle_option): Update declaration. * lto-opts.c (lto_reissue_options): Update call to set_option. 2010-05-06 Richard Guenther PR tree-optimization/43571 * domwalk.c (walk_dominator_tree): Walk the dominator sons in more optimal order. 2010-05-06 Richard Guenther PR tree-optimization/43934 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes. (stmt_cost): Likewise. (extract_true_false_args_from_phi): New helper. (determine_max_movement): For PHI nodes verify we can hoist them and compute their cost. (determine_invariantness_stmt): Handle PHI nodes. (move_computations_stmt): Likewise. Hoist PHI nodes in if-converted form using COND_EXPRs. (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes. (tree_ssa_lim): Likewise. * tree-flow.h (tree_ssa_lim): Adjust prototype. * tree-ssa-loop.c (tree_ssa_loop_im): Return todo. 2010-05-06 Richard Guenther PR tree-optimization/43987 * tree-ssa-structalias.c (could_have_pointers): For possibly address-taken variables force pointers to be recorded. (create_variable_info_for_1): Likewise. (push_fields_onto_fieldstack): Pass in wheter all fields must have pointers. (find_func_aliases): Query types instead of vars whether they contain pointers where appropriate. 2010-05-06 Jan Hubicka * cgraphbuild.c (record_reference_ctx): Add varpool_node. (record_reference, mark_address, mark_load, mark_store): Record references. (record_references_in_initializer): Update call of record_references. (rebuild_cgraph_edges): Remove all references before rebuiding. * cgraph.c (cgraph_create_node): Clear ref list. (cgraph_remove_node): Remove references. (dump_cgraph_node): Dump references. (cgraph_clone_node): Clone references. * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h (struct cgraph_node, varpool_node): Add ref_lst. * ipa-ref.c: New file. * ipa-ref.h: New file. * ipa-ref-inline.h: New file. * lto-cgraph.c (output_varpool): Take cgrag node set argument. (referenced_from_other_partition_p): New function. (lto_output_varpool_node): Take set arugment; call referenced_from_other_partition. (lto_output_ref): New. (add_references): New. (output_refs): New. (output_cgraph): Compute boundary based on references; output refs. (output_varpool): Accept cgraph_node_set argument. (input_ref): New. (input_refs): New. (input_cgraph): Call input_refs. * lto-section-in.c (lto_section_name): Add refs. * Makefile.in (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h (ipa-ref.o): New file. * varpool.c (varpool_node): Clear ipa ref list. (varpool_remove_node): Remove references. (dump_varpool_node): Dump references. (varpool_assemble_decl): Only compile finalized ones. (varpool_extra_name_alias): Initialize ref list. * lto-streamer.c (lto-get_section_name): Add .refs section. * lto-streamer.h (lto_section_type): Add LTO_section_refs. (referenced_from_other_partition_p): Declared. 2010-05-06 Ira Rosen PR tree-optimization/43901 * tree-vect-stmts.c (vectorizable_call): Assert that vector type is not NULL if it's transformation phase, and return FALSE if it's analysis. (vectorizable_conversion, vectorizable_operation, vectorizable_type_demotion, vectorizable_type_promotion): Likewise. 2010-05-05 Andrew Pinski * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Delete. * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New define. * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p): Delete prototype. 2010-05-06 Bernd Schmidt * config/arm/arm.h (MAX_LDM_STM_OPS): New macro. * config/arm/arm.c (multiple_operation_profitable_p, compute_offset_order): New static functions. (load_multiple_sequence, store_multiple_sequence): Use them. Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from memory offsets, not register numbers. (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS. 2010-05-05 Steven Bosscher * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *. (get_pending_sizes, put_pending_size, put_pending_sizes): Update the uses of pending_sizes. * c-decl.c (store_parm_decls): Likewise. * c-tree.h (struct c_arg_info): Likewise. * tree.h: Update the prototype for get_pending_sizes and put_pending_sizes. 2010-05-05 Jason Merrill PR debug/43370 * c-common.c (handle_aligned_attribute): Respect ATTR_FLAG_TYPE_IN_PLACE. PR testsuite/43758 * target.h (struct gcc_target): Add attribute_takes_identifier_p. * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define. (TARGET_INITIALIZER): Use it. * c-common.c (attribute_takes_identifier_p): Call it. * c-common.h: Update prototype. * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New. (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define. 2010-05-05 Jakub Jelinek PR debug/43950 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case DW_ID_down_case for Fortran compilation units. 2010-05-05 Jan Hubicka * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly handle aliases. 2010-05-05 Eric Botcazou * gimplify.c (gimplify_return_expr): Gimplify the size expressions of a variable-sized RESULT_DECL. 2010-05-05 Maxim Kuvyrkov * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM. 2010-05-05 Jason Merrill PR c++/43787 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr returns GS_OK. (gimplify_modify_expr_rhs): Return GS_OK if anything changed. 2010-05-05 Alexandre Oliva Jakub Jelinek PR debug/43478 * df-problems.c (struct dead_debug_use, struct dead_debug): New. (dead_debug_init, dead_debug_finish): New functions. (dead_debug_add, dead_debug_insert_before): Likewise. (df_note_bb_compute): Initialize a dead_debug object, add dead debug uses to it, insert debug bind insns before death insns, reset debug insns that refer to pending uses at the end. * rtl.h (make_debug_expr_from_rtl): New prototype. * varasm.c (make_debug_expr_from_rtl): New function. 2010-05-05 Jan Hubicka * lto-cgraph.c (output_varpool): Forward declare; work on encoder. (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode, lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size, lto_varpool_encoder_encode_initializer_p, lto_set_varpool_encoder_encode_initializer): New functions. (lto_output_cgraph): Take vset parameter too; compute varpool encoder; call output_varpool. (input_varpool_node): Do not always set analyzed. (input_cgraph_1): Return vector of cgraph nodes. (input_varpool_1): Return vector of varpools. (input_cgraph): Free the vectors. * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers): output only initializers needed. (lto_output): Only call output_cgraph. (produce_asm_for_decls): Call lto_varpool_encoder_delete. * lto-section-out.c (lto_new_out_decl_state): Initialize state->varpool_node_encoder. * lto-streamer.h (lto_varpool_encoder_d): New. (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder. (lto_cgraph_encoder_delete, output_cgraph): Update prototype. (lto_varpool_encoder_deref, lto_varpool_encoder_lookup, lto_varpool_encoder_encode, lto_varpool_encoder_delete, lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new): Declare. (output_varpool, input_varpool): Remove declarations. 2010-05-05 Jan Hubicka * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable with body can prevail. 2010-05-05 Jan Hubicka * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with size. 2010-05-05 Laurynas Biveinis * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies. * gengtype.h (erro_at_line): Constify pos argument. * gengtype.c: Include hashtab.h. (enum gc_used): Document GC_MAYBE_POINTED_TO. (error_at_line): Constify pos argument. (do_typedef): Initialize p->opt field. (get_file_gtfilename): Fix comment typo. (struct walk_type_data): Constify line field. (get_output_file_for_structure): New function. (write_local_func_for_structure): Constify orig_s argument. Use get_output_file_for_structure. (write_func_for_structure): Use get_output_file_for_structure. (INDENT): New define. (dump_pair, dump_type, dump_type_list, dump_typekind) (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s) (dump_type_u_a, dump_type_u_param_struct, dump_everything): New functions. (seen_types): New variable. (main): New variable do_dump. Process "-d" command line option. Call dump_everything if dump requested. 2010-05-05 Jakub Jelinek * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value in a temporary instead of invoking the macro multiple times. (track_expr_p): Likewise. 2010-05-04 Neil Vachharajani * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as per new semantics. * opts.c (decode_options): Enable -Werror=coverage-mismatch. * coverage.c (get_coverage_counts): Always emit a warning. Adjust conditions for printing notes. * common.opt (-Wcoverage-mismatch): Allow negative, default to true, update documentation. * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h. 2010-05-04 Jakub Jelinek PR c/43981 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read on dimen. 2010-05-04 H.J. Lu PR target/43799 * config/i386/i386.md (sse_prologue_save): Clobber CC register. (*sse_prologue_save_insn1): Likewise. (SSE prologue save splitter): Likewise. 2010-05-04 Eric Botcazou * tree.c (free_lang_data_in_one_sizepos): New inline function. (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types. (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of all decls. Call it on DECL_FIELD_OFFSET of fields. (find_decls_types_r): Follow DECL_VALUE_EXPR. (iterative_hash_expr) : New case. 2010-05-04 Martin Jambor * tree-sra.c (build_access_from_expr_1): The first parameter type changed to simple tree. (build_access_from_expr): Likewise, gsi parameter was eliminated. (scan_assign_result): Renamed to assignment_mod_result, enum elements renamed as well. (build_accesses_from_assign): Removed all parameters except for a simple gimple statement. Now returns a simple bool. (scan_function): All non-analysis parts moved to separate functions sra_modify_function_body and ipa_sra_modify_function_body. Removed all parameters and updated both callers. (sra_modify_expr): Removed parameter data. (sra_modify_function_body): New function. (perform_intra_sra): Call sra_modify_function_body to modify the function body. (replace_removed_params_ssa_names): Parameter data changed into adjustments vector. (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and changed the parameter dont_convert to convert with the opposite meaning. (sra_ipa_modify_assign): Parameter data changed into adjustments vector, return value changed to bool. (ipa_sra_modify_function_body): New function. (sra_ipa_reset_debug_stmts): Updated a comment. (modify_function): Use ipa_sra_modify_function_body to modify function body. 2010-05-04 H.J. Lu PR middle-end/43671 * alias.c (true_dependence): Handle the same VALUE in x and mem. (canon_true_dependence): Likewise. (write_dependence_p): Likewise. 2010-05-04 Jan Hubicka * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h * cgraphbuild.c: Include ipa-utils.h (record_reference_ctx): New struct. (record_reference): Simplify to work on initializers; not statements. (mark_address, mark_load, mark_store): New. (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops; walk PHI nodes too. (record_references_in_initializer): Update use of record_reference. (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops; walk PHI nodes too. 2010-05-04 Jan Hubicka * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges; node will be removed anyway. (lto_varpool_replace_node): Allow also unanalyzed nodes; relink aliases of node into prevailing node. * varpool.c (varpool_remove_node): Remove aliases properly; when removing node, remove all its aliases too; remove DECL_INITIAL of removed node; ggc_free the varpool node. 2010-05-04 Richard Guenther PR tree-optimization/43879 * tree-ssa-structalias.c (alias_get_name): Use DECL_ASSEMBLER_NAME if available. (create_function_info_for): Return the varinfo node. (ipa_pta_execute): Associate same-body aliases and extra names with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME. 2010-05-04 Kaz Kojima * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static. 2010-05-04 Mikael Pettersson PR bootstrap/43964 * ira-color.c (assign_hard_reg): Declare rclass and add_cost only if HONOR_REG_ALLOC_ORDER is not defined. 2010-05-04 Richard Guenther PR tree-optimization/43949 * tree-vrp.c (extract_range_from_binary_expr): Only handle TRUNC_MOD_EXPR. 2010-04-26 Jason Merrill * c.opt (-fstrict-enums): New. * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums. 2010-05-03 David Ung James E. Wilson * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS, emit the trap instruction before the divide for TUNE_74K. 2010-05-03 Steven Bosscher * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove. (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation, based on the above, for new target hook. * hooks.c (hook_bool_mode_true): New generic hook. * hooks.h (hook_bool_mode_true): Add prototype. * target.h (struct gcc_target): Add small_register_classes_for_mode_p target hook. * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default target hook, set to hook_bool_mode_false. * regs.h: Remove default definition of SMALL_REGISTER_CLASSES. * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES with targetm.small_register_classes_for_mode_p. (find_reusable_reload): Likewise. (combine_reloads): Likewise. * reload1.c (reload_as_needed): Likewise. * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise. * ifcvt.c (noce_process_if_block, check_cond_move_block, dead_or_predicable): Likewise. * regmove.c (optimize_reg_copy_1): Likewise. * calls.c (prepare_call_address): Likewise. (precompute_register_parameters): Likewise. * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target hook definition. * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add implementation of the hook that considers all register classes small except for SH64. (sh_override_options): Use the new hook. * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p): Add prototype. * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target hook definition. * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add implementation of the hook that considers all register classes small for THUMB1. * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p): Add prototype. * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target hook definition. * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add implementation of the hook that considers all register classes small for MIPS16. * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p): Add prototype. * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target hook definition. * config/m32c/m32c.h: Likewise. * config/pdp11/pdp11.h: Likewise. * config/avr/avr.h: Likewise. * config/xtensa/xtensa.h: Likewise. * config/m68hc11/m68hc11.h: Likewise. * config/mn10300/mn10300.h: Likewise. * config/mcore/mcore.h: Likewise. * config/h8300/h8300.h: Likewise. * config/bfin/bfin.h: Likewise. * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition. * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition. 2010-05-03 Anatoly Sokolov * double-int.h (tree_to_double_int): Remove macro. (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ... * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here. (tree_to_double_int): New function. * double-int.c (double_int_to_tree, double_int_fits_to_tree_p): Move ... * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here. 2010-05-03 Richard Guenther PR tree-optimization/43971 * tree-ssa-structalias.c (get_constraint_for_1): Fix constraints in the !flag_delete_null_pointer_checks case. 2010-05-03 Jakub Jelinek PR debug/43972 * config/i386/i386.c (ix86_delegitimize_address): Make sure the result mode matches original rtl mode. 2010-05-03 Dave Korn PR target/43888 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls. 2010-05-02 Uros Bizjak * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa', when processing flag options. 2010-05-02 Uros Bizjak * gcov-iov.c (main): Change format string placeholder from %#08x to 0x%08x. * genchecksum.c (dosum): Change format string placeholder from %#02x to 0x%02x. 2010-05-02 Richard Guenther PR tree-optimization/43879 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls. 2010-05-02 Bruno Haible * doc/extend.texi (Function Attributes): Fix a typo. 2010-05-02 Uros Bizjak Revert: * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string placeholder from 0x%x to %#x. (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto. * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto. * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto. * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto. * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto. * config/i386/i386.c (ix86_target_string): Ditto. * config/i386/i386.c (output_pic_addr_const): Ditto. (print_operand): Ditto. 2010-05-02 Uros Bizjak * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string placeholder from 0x%x to %#x. (ASM_OUTPUT_DEBUG_DATA1): Ditto. (ASM_OUTPUT_DEBUG_DATA4): Ditto. (ASM_OUTPUT_DEBUG_DATA): Ditto. (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto. (ASM_OUTPUT_DEBUG_DATA8): Ditto. * optc-gen.awk: Ditto. * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto. (HOST_WIDE_INT_PRINT_HEX): Ditto. (HOST_WIDEST_INT_PRINT_HEX): Ditto. (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto. 2010-05-01 Anatoly Sokolov * target.h (struct calls): Add function_value_regno_p field. * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define. (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P. * targhooks.c (default_function_value_regno_p): New function. * targhooks.h (default_function_value_regno_p): Declare function. * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook. * builtins.c. (apply_result_size): (Ditto.). * combine.c. (likely_spilled_retval_p): (Ditto.). * mode-switching.c. Include 'target.h'. (create_pre_exit): Use function_value_regno_p hook. * Makefile.in (mode-switching.o): Add dependency on TARGET_H. * doc/tm.texi (FUNCTION_VALUE_REGNO_P, TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation. * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro. * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro. (ix86_function_value_regno_p): Declare as static, change argument type to const unsigned int. * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove. 2010-05-01 Richard Guenther PR tree-optimization/43949 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned types. (extract_range_from_binary_expr): Handle *_MOD_EXPR. 2010-05-01 Anatoly Sokolov * rtl.h (CONST_DOUBLE_P): Define. (rtx_to_double_int): Declare. * emit-rtl.c (rtx_to_double_int): New function. * dwarf2out.c (insert_double): New function. (loc_descriptor, add_const_value_attribute): Clean up, use rtx_to_double_int and insert_double functions. 2010-05-01 Jonathan Wakely * doc/extend.texi (Inline): Add missing return keyword to examples. (Function Attributes, Variable Attributes, Pragmas): Hyphenate "command-line". 2010-04-30 Eric Botcazou * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of the variable part of the offset as well. Use highest_pow2_factor for all alignment checks. 2010-04-30 Richard Guenther PR tree-optimization/43879 * tree-ssa-structalias.c (type_could_have_pointers): Functions can have pointers. 2010-04-30 Jan Hubicka * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with varpool. (lto_symtab_merge_decls_1): Remove logic looking for an initializer. 2010-04-30 Jan Hubicka * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): New. * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans. * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p. (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans, cgraph_node_set_needs_ltrans_p): Remove. 2010-04-30 Steven Bosscher * sdbout.c: Include vec.h, do not include varray.h. (deferred_global_decls, sdbout_global_decl, sdbout_finish, sdbout_init): Use VEC instead of VARRAY. * toplev.c: Do not include varray.h. (dump_memory_report): Do not dump VARRAY statistics. * gengtype.c (open_base_file): Ignore varray.h. * Makefile.in: Update for abovementioned changes. Remove all traces of varray.c and varray.h. * varray.c: Remove file. * varray.h: Remove file. 2010-04-30 Jan Hubicka * lto-cgraph.c (lto_output_varpool_node): Always output constant pool references. 2010-04-30 Jan Hubicka * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as needed. 2010-04-30 Richard Guenther * tree-ssa-structalias.c (get_constraint_for_1): Generate constraints for CONSTRUCTOR. 2010-04-30 Richard Guenther PR lto/43946 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data first after all lowering passes. 2010-04-30 Steven Bosscher * toplev.c: Include varray.h for statistics dumping. * tree.h: Do not declare varray_head_tag. * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c, regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c, c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c, gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c, lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c, tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c, c-common.c, c-common.h, reg-stack.c, basic-block.h, tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not include varray.h. * Makefile.in: Update for abovementioned changes. 2010-04-30 Jakub Jelinek PR debug/43942 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars. 2010-04-30 Hariharan Sandanagobalane * config/picochip/picochip.c (picochip_legitimize_address): Define. Use this function to do machine-specific conversion. (picochip_legitimize_reload_address): Likewise. (picochip_legitimate_address_p): Check valid base register only if strict. (picochip_check_conditional_copy): Check for modw only if opnd is register. * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this to call the function in c. * config/picochip/picochip-protos.h (picochip_legitimize_reload_address): Define. * config/picochip/picochip.md (supported_compare1): Define. 2010-04-30 Jan Hubicka * cgraph.h (cgraph_local_info): Remove for_functions_valid. (cgraph_global_info): Remove inlined. (LTO_cgraph_tag_names): Remove. (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ... * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here; simplify cgraph tags and document. (lto_output_node): Use only LTO_cgraph_unavail_node and LTO_cgraph_analyzed_node; Do not save analzed, reachable, for_functions_valid, global info, process and output flags. (input_overwrite_node): Initialize estimated stack size and estimated growth. Do not read flags we no longer store. (input_node): Likewise do not read info no longer stored. * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined flag. 2010-04-30 Richard Guenther PR tree-optimization/43879 * tree-ssa-structalias.c (get_constraint_for_1): Properly handle non-zero initializers. 2010-04-30 Richard Guenther * builtins.c (fold_builtin_1): Delete free (0). 2010-04-29 Jan Hubicka * gengtype.c (open_base_files): Add lto-streamer.h * cgraph.h (cgraph_local_info): lto_file_data is now in GGC. (pass_ipa_cp): GGC collect. * toplev. (compile_file): Do not output symbols. * ipa-inline.c (pass_ipa_inline): Add ggc collect. * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO, TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New. * lto-section-in.c: Include ggc.h (lto_new_in_decl_state): Alloc in GGC. (lto_delete_in_decl_state): Likewise. * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect. 2010-04-29 Bernd Schmidt PR target/42895 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed. (HONOR_REG_ALLOC_ORDER): Describe new macro. * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined. * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into account only if HONOR_REG_ALLOC_ORDER is not defined. * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define. * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison. 2010-04-29 Jon Grant <04@jguk.org> * collect2.c (vflag): Change type from int to bool. (debug): Likewise. (helpflag): New global bool. (main): Set vflag and debug with boolean, not integer truth values. Accept new "--help" option and output usage text if found. * collect2.h (vflag): Update prototype. (debug): Likewise. 2010-04-29 H.J. Lu PR bootstrap/43936 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks. 2010-04-29 Richard Guenther PR bootstrap/43935 * plugin.h (invoke_plugin_callbacks): Annotate arguments with ATTRIBUTE_UNUSED. 2010-04-29 H.J. Lu PR target/43921 * config/i386/i386.c (get_some_local_dynamic_name): Replace INSN_P with NONDEBUG_INSN_P. (distance_non_agu_define): Likewise. (distance_agu_use): Likewise. 2010-04-29 Bernd Schmidt From Dominique d'Humieres PR bootstrap/43858 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute test_set. 2010-04-29 Brian Hackett * plugin.h (invoke_plugin_callbacks): New inline function. * plugin.c (flag_plugin_added): New global flag. (add_new_plugin): Initialize above flag. (invoke_plugin_callbacks): Rename to ... (invoke_plugin_callbacks_full): ... this. 2010-04-28 Jan Hubicka * lto-symtab.c (lto_symtab_entry_def) Add vnode. (lto_varpool_replace_node): New. (lto_symtab_resolve_symbols): Resolve varpool nodes. (lto_symtab_merge_decls_1): Prefer decls with varpool node. (lto_symtab_merge_cgraph_nodes_1): Merge varpools. * cgraph.h (varpool_node_ptr): New type. (varpool_node_ptr): New vector. (varpool_node_set_def): New structure. (varpool_node_set): New type. (varpool_node_set): New vector. (varpool_node_set_element_def): New structure. (varpool_node_set_element, const_varpool_node_set_element): New types. (varpool_node_set_iterator): New type. (varpool_node): Add prev pointers, add used_from_other_partition, in_other_partition. (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add, varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set, varpool_get_node, varpool_remove_node): Declare. (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p, varpool_node_set_size): New inlines. * cgraph.c (dump_cgraph_node): Dump asm names of aliases. * tree-pass.h (varpool_node_set_def): Forward declare. (ipa_opt_pass_d): Summary writting takes vnode sets too. (ipa_write_optimization_summaries): Update prototype. * ipa-cp.c (ipcp_write_summary): Update. * ipa-reference.c (ipa_reference_write_summary): Update. * lto-cgraph.c (lto_output_varpool_node): New static function. (output_varpool): New function. (input_varpool_node): New static function. (input_varpool_1): New function. (input_cgraph): Input varpool. * ipa-pure-const.c (pure_const_write_summary): Update. * lto-streamer-out.c (lto_output): Update, output varpool too. (write_global_stream): Kill WPA hack. (produce_asm_for_decls): Update. (output_alias_pair_p): Handle variables. (output_unreferenced_globals): Output only needed partition of varpool. * ipa-inline.c (inline_write_summary): Update. * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph. * lto-section-in.c (lto_section_name): Add varpool and jump funcs. * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element, varpool_node_set_new, varpool_node_set_add, varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set, debug_varpool_node_set): New functions. * passes.c (rest_of_decl_compilation): when in LTO do not finalize. (execute_one_pass): Process new decls too. (ipa_write_summaries_2): Pass around vsets. (ipa_write_summaries_1): Likewise. (ipa_write_summaries): Build vset; be more selective about cgraph nodes to add. (ipa_write_optimization_summaries_1): Pass around vsets. (ipa_write_optimization_summaries): Likewise. * varpool.c (varpool_get_node): New. (varpool_node): Update doubly linked lists. (varpool_remove_node): New. (dump_varpool_node): More dumping. (varpool_enqueue_needed_node): Update doubly linked lists. (decide_is_variable_needed): Kill ltrans hack. (varpool_finalize_decl): Kill lto hack. (varpool_assemble_decl): Skip decls in other partitions. (varpool_assemble_pending_decls): Update doubly linkes lists. (varpool_empty_needed_queue): Likewise. (varpool_extra_name_alias): Likewise. * lto-streamer.c (lto_get_section_name): Add vars section. * lto-streamer.h (lto_section_type): Update. (output_varpool, input_varpool): Declare. 2010-04-28 Mike Stump * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now. 2010-04-28 Eric Botcazou * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for record or union type with RECORD_OR_UNION_TYPE_P predicate. (lto_input_ts_type_tree_pointers): Likewise. * lto-streamer-out.c (pack_ts_type_value_fields): Likewise. (lto_output_ts_type_tree_pointers): Likewise. 2010-04-28 Eric Botcazou Uniquization of constants at the Tree level * tree.h (DECL_IN_CONSTANT_POOL): New macro. (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p bit to the end. (tree_output_constant_def): Declare. * gimplify.c (gimplify_init_constructor): When using block copy, first uniquize the constant constructor on the RHS. * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with DECL_IN_CONSTANT_POOL flag. * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise. * varasm.c (make_decl_rtl): Deal with variables belonging to the global constant pool. (assemble_variable): Deal with symbols belonging to the tree constant pool. (get_constant_section): Add ALIGN parameter and simplify. (build_constant_desc): Build a VAR_DECL and attach it to the symbol. (assemble_constant_contents): Use the expression of the VAR_DECL. (output_constant_def_contents): Use the alignment of the VAR_DECL. (tree_output_constant_def): New global function. (mark_constant): Use the expression of the VAR_DECL. (place_block_symbol): Use the alignment of the VAR_DECL and the size of its expression. (output_object_block): Likewise and assemble the expression. 2010-04-28 Eric Botcazou * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry, hash_tree, eq_tree): New tree hash table. (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it. [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get, lto_orig_address_remove): Reimplement. 2010-04-28 Xinliang David Li PR c/42643 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function. (compute_uninit_opnds_pos): New function. (is_non_loop_exit_postdominating): New function. (compute_control_dep_chain): New function. (find_pdom): New function. (convert_control_dep_chain_into_preds): New function. (find_predicates): New function. (find_control_equiv_block): New function. (collect_phi_def_edges): New function. (find_def_preds): New function. (find_dom): New function. (dump_predicates): New function. (get_cmp_code): New function. (is_value_included_in): New function. (find_matching_predicate_in_rest_chains): New function. (use_pred_not_overlap_with_undef_path_pred): New function. (is_use_properly_guarded): New function. (normalize_cond_1): New function. (is_and_or_or): New function. (normalize_cond): New function. (is_gcond_subset_of): New function. (is_subset_of_any): New function. (is_or_set_subset_of): New function. (is_and_set_subset_of): New function. (is_norm_cond_subset_of): New function. (is_pred_expr_subset_of): New function. (is_pred_chain_subset_of): New function. (is_included_in): New function. (is_superset_of): New function. (find_uninit_use): New function. (warn_uninitialized_phi): New function. (compute_possibly_undefined_names): New function. (ssa_undefined_value_p): New function. (execute_late_warn_uninitialized): New function. * tree-ssa.c (ssa_undefined_value_p): Removed. (warn_uninit): Changed to extern. (warn_uninitialized_phi): Removed. (warn_uninitialized_vars): Changed to extern. (execute_late_warn_uninitialized): Removed * tree-flow.h: Add new prototypes. * timevar.def: Add new time variable. * Makefile.in: Add new build file. 2010-04-28 Uros Bizjak * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object type if available. 2010-04-28 Rainer Orth PR target/22224 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine. 2010-04-28 Martin Jambor * cgraph.h (struct cgraph_node): New field indirect_calls. (struct cgraph_indirect_call_info): New type. (struct cgraph_edge): Removed field indirect_call. New fields indirect_info, indirect_inlining_edge and indirect_unknown_callee. (cgraph_create_indirect_edge): Declare. (cgraph_make_edge_direct): Likewise. (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge. * ipa-prop.h (struct ipa_param_call_note): Removed. (struct ipa_node_params): Removed field param_calls. (ipa_create_all_structures_for_iinln): Declare. * cgraph.c: Described indirect edges and uids in initial comment. (cgraph_add_edge_to_call_site_hash): New function. (cgraph_edge): Search also among the indirect edges, use cgraph_add_edge_to_call_site_hash to add edges to the call site hash. (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct one, use cgraph_add_edge_to_call_site_hash to add edges to the call site hash. (initialize_inline_failed): Assign a reason to indirect edges. (cgraph_create_edge_1): New function. (cgraph_create_edge): Moved some functionality to cgraph_create_edge_1. (cgraph_create_indirect_edge): New function. (cgraph_edge_remove_callee): Add an assert checking for non-indirectness. (cgraph_edge_remove_caller): Special-case indirect edges. (cgraph_remove_edge): Likewise. (cgraph_set_edge_callee): New function. (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee. (cgraph_make_edge_direct): New function. (cgraph_update_edges_for_call_stmt_node): Do nothing only when also the declaration of the call statement matches. (cgraph_node_remove_callees): Special-case indirect edges. (cgraph_clone_edge): Likewise. (cgraph_clone_node): Clone also the indirect edges. (dump_cgraph_node): Dump indirect_inlining_edge flag instead of indirect_call, dump count of indirect_calls edges. * ipa-prop.c (iinlining_processed_edges): New variable. (ipa_note_param_call): Create indirect edges instead of creating notes. New parameter node. (ipa_analyze_call_uses): New parameter node, pass it on to ipa_note_param_call. (ipa_analyze_stmt_uses): Likewise. (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses. (print_edge_addition_message): Work on edges rather than on notes. (update_call_notes_after_inlining): Likewise, renamed to update_indirect_edges_after_inlining. (ipa_create_all_structures_for_iinln): New function. (ipa_free_node_params_substructures): Do not free notes. (ipa_edge_duplication_hook): Propagate bits within iinlining_processed_edges bitmap. (ipa_node_duplication_hook): Do not duplicate notes. (free_all_ipa_structures_after_ipa_cp): Renamed to ipa_free_all_structures_after_ipa_cp. (free_all_ipa_structures_after_iinln): Renamed to ipa_free_all_structures_after_iinln. (ipa_write_param_call_note): Removed. (ipa_read_param_call_note): Removed. (ipa_write_indirect_edge_info): New function. (ipa_read_indirect_edge_info): Likewise. (ipa_write_node_info): Do not stream notes, do stream information in indirect edges. (ipa_read_node_info): Likewise. (lto_ipa_fixup_call_notes): Removed. * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL. * ipa-inline.c (pass_ipa_inline): Likewise. * cgraphunit.c (verify_cgraph_node): Check also indirect edges. * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason. * tree-inline.c (copy_bb): Removed an unnecessary double check for is_gimple_call. * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect edges. * lto-cgraph.c (output_outgoing_cgraph_edges): New function. (output_cgraph): Stream also indirect edges. (lto_output_edge): Added capability to stream indirect edges. (input_edge): Likewise. (input_cgraph_1): Likewise. * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements of indirect edges. 2010-04-28 Richard Guenther PR tree-optimization/43879 PR tree-optimization/43909 * tree-ssa-structalias.c (struct variable_info): Add only_restrict_pointers flag. (new_var_info): Initialize it. Increment stats.total_vars here. (create_function_info_for): Do not increment stats.total_vars here. (get_function_part_constraint): Fix build with C++. (insert_into_field_list): Remove. (push_fields_onto_fieldstack): Properly merge fields. (create_variable_info_for): Split and simplify. (create_variable_info_for_1): New piece. (intra_create_variable_infos): Properly make restrict constraints from parameters. 2010-04-28 Richard Guenther PR c++/43880 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs. 2010-04-27 Manuel López-Ibáñez Jan Hubicka * doc/invoke.texi (-Wsuggest-attribute=const, -Wsuggest-attribute=pure): Document. * ipa-pure-const.c: Include toplev.h, intl.h and opts.h. (function_always_visible_to_compiler_p, suggest_attribute, warn_function_pure, warn_function_const): New functions. (check_call): Improve debug info. (analyze_function): Do not check availability. (add_new_function): Check availability. (propagate): Output warnings. (skip_function_for_local_pure_const): New function. (local_pure_const): Use it; output warnings. * common.opt (Wsuggest-attribute=const, Wsuggest-attribute=pure): New. 2010-04-27 Jakub Jelinek * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register or DW_CFA_def_cfa_offset{,_sf}. 2010-04-27 Eric Botcazou * tree.h: Fix truncated long macros. 2010-04-27 Kai Tietz * collect2.c (TARGET_64BIT): Redefine to target's default. * tlink.c: Likewise. * config/i386/cygming.h (USER_LABEL_PREFIX): Define dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES. * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use for underscoring __USER_LABEL_PREFIX__. * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro. (SUB_LINK_ENTRY32): New. (SUB_LINK_ENTRY64): New. (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY. * config/i386/mingw32 (SUB_LINK_ENTRY32): New. (SUB_LINK_ENTRY64): New. (SUB_LINK_ENTRY): New. (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point. (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when x64 target is choosen. * config.in (USE_MINGW64_LEADING_UNDERSCORES): New. * configure: Regenerated. * configure.ac (leading-mingw64-underscores): Option added. 2010-04-27 Jan Hubicka * doc/invoke.texi (-fipa-profile): Document. * opts.c (decode_options): Enable ipa-profile at -O1. * timevar.def (TV_IPA_PROFILE): Define. * common.opt (fipa-profile): Add. * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method flag for clones. (cgraph_propagate_frequency): Handle only local ones. * tree-pass.h (pass_ipa_profile): Declare. * ipa-profile.c (gate_profile): Use flag_ipa_profile. (pass_ipa_profile): Use TV_IPA_PROFILE. * ipa.c (ipa_profile): New function. (gate_ipa_profile): Likewise. (pass_ipa_profile): New global variable. * passes.c (pass_ipa_profile): New. 2010-04-27 Nathan Froyd * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration. 2010-04-27 Martin Jambor PR middle-end/43812 * ipa.c (dissolve_same_comdat_group_list): New function. (function_and_variable_visibility): Call dissolve_same_comdat_group_list when comdat group contains external or newly local nodes. * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group lists are circular and that they contain only DECL_ONE_ONLY nodes. 2010-04-27 Eric Botcazou * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF. (const_hash_1) : New case. (compare_constant) : Likewise. : Deal with LABEL_REFs. (copy_constant) : New case. 2010-04-27 Jan Hubicka * cgraph.c (cgraph_propagate_frequency): New function. * cgraph.h (cgraph_propagate_frequency): Declare. * ipa-inline.c (cgraph_clone_inlined_nodes): Call cgraph_propagate_frequency. 2010-04-27 Jakub Jelinek * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes. 2010-04-27 Bernd Schmidt PR target/40657 * config/arm/arm.c (thumb1_extra_regs_pushed): New function. (thumb1_expand_prologue, thumb1_output_function_prologue): Call it here to determine which regs to push and how much stack to reserve. 2010-04-27 Jie Zhang * doc/gimple.texi (gimple_statement_with_ops): Remove addresses_taken field. (gimple_statement_with_memory_ops): Likewise. 2010-04-27 Jan Hubicka * tree-inline.c (eni_inlining_weights): Remove. (estimate_num_insns): Special case more builtins. 2010-04-27 Shujing Zhao PR c/32207 * c-typeck.c (build_binary_op): Move forward check for comparison pointer with null pointer constant and adjust the diagnostic message. 2010-04-27 Dave Korn PR lto/42776 * configure.ac (gcc_cv_as_section_has_align): Set if installed binutils supports extended .section directive needed by LTO, or warn if older binutils found. (LTO_BINARY_READER): New AC_SUBST'd variable. (LTO_USE_LIBELF): Likewise. * gcc/config.gcc (lto_binary_reader): New target-specific configure variable. * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var. (LTO_USE_LIBELF): Likewise. * configure: Regenerate. * collect2.c (is_elf): Rename from this ... (is_elf_or_coff): ... to this, and recognize and allow i386 COFF object files in addition to ELF-formatted ones. (scan_prog_file): Caller updated. Also allow for LTO info marker symbol to be prefixed or not by an extra underscore. * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H. * config/i386/winnt.c: Also #include lto-streamer.h (i386_pe_asm_named_section): Specify 1-byte section alignment for LTO named sections. (i386_pe_asm_output_aligned_decl_common): Add comment. (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL. 2010-04-27 Hans-Peter Nilsson PR target/43889 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"): Add missing earlyclobber for second alternative. 2010-04-26 Bernd Schmidt * df-problems.c (df_simulate_initialize_forwards): Set, don't clear, bits for artificial defs at the top of the block. * fwprop.c (single_def_use_enter_block): Don't call it. 2010-04-26 Jack Howarth PR 43715 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin instead of "$gcc_cv_objdump -T". Use "-undefined dynamic_lookup" on darwin. * gcc/configure: Regenerate. 2010-04-26 Jakub Jelinek PR c/43893 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR. 2010-04-26 Nathan Froyd * c-parser.c (struct c_token): Move location field up. * c-tree.h (struct c_typespec): Move expr_const_operands field up. (struct c_declspecs): Convert typespec_word, storage_class, and default_int_p into bitfields. (struct c_declarator): Move loc field up. 2010-04-26 Nathan Froyd * cfgloop.h (struct loop): Move can_be_parallel field up. * ipa-prop.h (struct ip_node_params): Move bitfields up. * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field down. (struct iv_cand): Convert pos field into a bitfield. * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number field up. (struct _stmt_vec_info): Shuffle fields for better packing. 2010-04-26 Eric Botcazou * varasm.c (IN_NAMED_SECTION): Remove guard. * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to... (IN_NAMED_SECTION_P): ...this. (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming. (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise. 2010-04-26 Eric Botcazou * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables. Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead of shadowing it. Fix comments. 2010-04-26 Jan Hubicka * cgraph.c (cgraph_create_node): Set node frequency to normal. (cgraph_clone_node): Copy function frequency. * cgraph.h (node_frequency): New enum (struct cgraph_node): Add. * final.c (rest_of_clean_state): Update. * lto-cgraph.c (lto_output_node): Output node frequency. (input_overwrite_node): Input node frequency. * tre-ssa-loop-ivopts (computation_cost): Update. * lto-streamer-out.c (output_function): Do not output function frequency. * predict.c (maybe_hot_frequency_p): Update and handle functions executed once. (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of attribute lookup. (probably_never_executed_bb_p, optimize_function_for_size_p): Update. (compute_function_frequency): Set noreturn functions to be executed once. (choose_function_section): Update. * lto-streamer-in.c (input_function): Do not input function frequency. * function.c (allocate_struct_function): Do not initialize function frequency. * function.h (function_frequency): Remove. (struct function): Remove function frequency. * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove. (try_update): Update. * tree-inline.c (initialize_cfun): Do not update function frequency. * passes.c (pass_init_dump_file): Update. * i386.c (ix86_compute_frame_layout): Update. (ix86_pad_returns): Update. 2010-04-26 Jie Zhang PR tree-optimization/43833 * tree-vrp.c (range_int_cst_p): New. (range_int_cst_singleton_p): New. (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case when both operands are constants. Use range_int_cst_p in BIT_IOR_EXPR case. 2010-04-26 Jan Hubicka * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating. 2010-04-26 Richard Guenther PR lto/43080 * gimple.c (gimple_decl_printable_name): Deal gracefully with a NULL DECL_NAME. 2010-04-26 Richard Guenther PR lto/42425 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT if emitting debug information and it is either a function or a namespace decl. 2010-04-26 Ira Rosen * tree-vectorizer.h (struct _stmt_vec_info): Add new field to determine if the statement is vectorizable, and a macro to access it. * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Skip statements that can't be vectorized. If the analysis fails, mark the statement as unvectorizable if vectorizing basic block. (vect_compute_data_refs_alignment): Likewise. (vect_verify_datarefs_alignment): Skip statements marked as unvectorizable. Add print. (vect_analyze_group_access): Skip statements that can't be vectorized. If the analysis fails, mark the statement as unvectorizable if vectorizing basic block. (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise. * tree-vect-stmts.c (vectorizable_store): Fix the number of generated stmts for SLP. (new_stmt_vec_info): Initialize the new field. * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize statements marked as unvectorizable. 2010-04-25 Joseph Myers * c-common.c (flag_isoc1x): New. (flag_isoc99): Update comment. * c-common.h (flag_isoc1x): New. (flag_isoc99): Update comment. * c-cppbuiltin.c (builtin_define_float_constants): Also define ___DECIMAL_DIG__. * c-opts.c (set_std_c1x): New. (c_common_handle_option): Handle -std=c1x and -std=gnu1x. (set_std_c89, set_std_c99): Also set flag_isoc1x to 0. * c.opt (-std=c1x, -std=gnu1x): New options. * doc/cpp.texi: Mention -std=c1x. * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document. * doc/extend.texi: Mention -std=c1x and -std=gnu1x. * doc/invoke.texi (-std=c1x, -std=gnu1x): Document. * doc/standards.texi: Mention C1X. * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG, LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM, LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN): Define for C1X. 2010-04-25 Uros Bizjak * config/i386/gmon-sol2.c (_mcleanup): Change format string placeholder from 0x%x to %#x. * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto. * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto. * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto. * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto. * config/i386/i386.c (ix86_target_string): Ditto. (output_pic_addr_const): Ditto. (print_operand): Ditto. 2010-04-25 Paolo Bonzini * combine.c (find_split_point): Add third argument. Use it to find nested multiply-accumulate instructions. Adjust calls. (try_combine): Adjust call to find_split_point. 2010-04-24 Gerald Pfeifer * doc/contrib.texi (Contributors): Add Dodji Seketeli. 2010-04-24 Bernd Schmidt PR tree-optimization/41442 * fold-const.c (merge_truthop_with_opposite_arm): New function. (fold_binary_loc): Call it. 2010-04-23 Manuel López-Ibáñez * toplev.c (general_init): Set default for fdiagnostics-show-option. * opts.c (common_handle_option): Allow disabling it. * common.opt (fdiagnostics-show-option): Add Var. Enabled by default. 2010-04-23 Eric Botcazou * expr.c (expand_expr_real_1) : Only use conversion between modes if both types are integral. 2010-04-23 Richard Guenther PR tree-optimization/43572 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses. 2010-04-23 Richard Guenther PR lto/43455 * tree-inline.c (tree_can_inline_p): Also check compatibility of return types. 2010-04-23 Martin Jambor PR tree-optimization/43846 * tree-sra.c (struct access): New flag grp_assignment_read. (build_accesses_from_assign): Set grp_assignment_read. (sort_and_splice_var_accesses): Propagate grp_assignment_read. (enum mark_read_status): New type. (analyze_access_subtree): Propagate grp_assignment_read, create accesses also if both direct_read and root->grp_assignment_read. 2010-04-23 Martin Jambor PR middle-end/43835 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the function does not have type attributes. 2010-04-23 Richard Guenther PR lto/42653 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT of FUNCTION_DECLs. 2010-04-22 Laurynas Biveinis * sese.h (create_if_region_on_edge): Remove. * sese.c (create_if_region_on_edge): Make static. * tree-inline.c: Do not include ggc.h. * expr.c: Do not include ggc.h. * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from dependencies. 2010-04-22 Kaz Kojima PR target/43744 * config/sh/sh.c (find_barrier): Don't emit a constant pool in the middle of insns for casesi_worker_2. 2010-04-22 David Edelsohn * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS. 2010-04-22 Ira Rosen PR tree-optimization/43842 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle loop unrolling in update of exit phis. Fix comment. * tree-vect-slp.c (vect_analyze_slp): Check that there are at least two reduction statements in the loop before starting SLP analysis. 2010-04-22 Nick Clifton * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko. 2010-04-22 Alexander Monakov * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR to simplify a + ~a. 2010-04-22 Laurynas Biveinis * tree-parloops.c (loop_parallel_p): New argument parloop_obstack. Pass it down. (parallelize_loops): New variable parloop_obstack. Initialize it, pass it down, free it. * tree-loop-linear.c (linear_transform_loops): Pass down lambda_obstack. * tree-data-ref.h (lambda_compute_access_matrices): New argument of type struct obstack *. * tree-data-ref.c (analyze_subscript_affine_affine): New variable scratch_obstack. Initialize it, pass down, free it. * lambda.h (lambda_loop_new): Remove. (lambda_matrix_new, lambda_matrix_inverse) (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New argument of type struct obstack *. * lambda-trans.c (lambda_trans_matrix_new): New argument lambda_obstack. Pass it down, use obstack allocation for ret. (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass it down. * lambda-mat.c (lambda_matrix_get_column) (lambda_matrix_project_to_null): Remove. (lambda_matrix_new): New argument lambda_obstack. Use obstack allocation for mat. (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument lambda_obstack. * lambda-code.c (lambda_loop_new): New function. (lambda_lattice_new, compute_nest_using_fourier_motzkin) (lambda_compute_auxillary_space, lambda_compute_target_space) (lambda_loopnest_transform, gcc_loop_to_lambda_loop) (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack. (build_access_matrix): New argument lambda_obstack. Use obstack allocation for am. (lambda_compute_step_signs, lambda_compute_access_matrices): New argument lambda_obstack. Pass it down. 2010-04-22 Bernd Schmidt * optabs.h (expand_widening_mult): Declare. 2010-04-22 Richard Guenther PR tree-optimization/43845 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly lookup the CALL_EXPR function and arguments. 2010-04-22 Nick Clifton * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter. * config/stormy16/stormy16.h: Tidy up formatting. (DONT_USE_BUILTIN_SETJMP): Remove definition. * config/stormy16/stormy16.c (cbranchsi4): Delete pattern. (ineqbranchsi): Delete pattern. * config/stormy16/stormy16-lib2-ucmpsi2.c: New file. * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function. * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add stormy16-lib2-ucmpsi2.c. 2010-04-22 Bernd Schmidt * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and df_simulate_find_noclobber_defs as appropriate. Keep track of an extra set merge_set_noclobber, and use it to relax the final test slightly. * df.h (df_simulate_find_noclobber_defs): Declare. * df-problems.c (df_simulate_find_defs): Don't ignore partial or conditional defs. (df_simulate_find_noclobber_defs): New function. 2010-04-22 Uros Bizjak * config/i386/i386.md: Use {} around multi-line preparation statements. 2010-04-22 Laurynas Biveinis * c-tree.h (push_init_level, pop_init_level, set_init_index) (process_init_element): New argument of type struct obstack *. * c-typeck.c (push_init_level, pop_init_level, set_designator) (set_init_index, set_init_label, set_nonincremental_init) (set_nonincremental_init_from_string, find_init_member) (output_init_element, output_pending_init_elements) (process_init_element): New argument braced_init_obstack. Pass it down. (push_range_stack, add_pending_init): New argument braced_init_obstack. Use obstack allocation. * c-parser.c (c_parser_initelt, c_parser_initval): New argument braced_init_obstack. Pass it down. (c_parser_braced_init): New variables ret, braced_init_obstack. Initialize obstack, pass it down and finally free it. 2010-04-22 Bernd Schmidt PR middle-end/29274 * tree-pass.h (pass_optimize_widening_mul): Declare. * tree-ssa-math-opts.c (execute_optimize_widening_mul, gate_optimize_widening_mul): New static functions. (pass_optimize_widening_mul): New. * expr.c (expand_expr_real_2) : New case. : Remove support for widening multiplies. * tree.def (WIDEN_MULT_EXPR): Tweak comment. * cfgexpand.c (expand_debug_expr) : Use simplify_gen_unary rather than directly building extensions. * tree-cfg.c (verify_gimple_assign_binary): Add tests for WIDEN_MULT_EXPR. * expmed.c (expand_widening_mult): New function. * passes.c (init_optimization_passes): Add pass_optimize_widening_mul. 2010-04-21 Jan Hubicka * timevar.def (TV_WHOPR_WPA_FIXUP): Remove. * lto-section-in.c (lto_section_name): Remove wpa_fixup. * lto-wpa-fixup.c: Remove. * Makefile.in (lto-wpa-fixup.o): Remove. * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup. (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA. * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section. 2010-04-21 Jan Hubicka * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary; add write_optimization_summary, read_optimization_summary. (ipa_write_summaries_of_cgraph_node_set): Remove. (ipa_write_optimization_summaries): Declare. (ipa_read_optimization_summaries): Declare. * ipa-cp.c (pass_ipa_cp): Update. * ipa-reference.c (pass_ipa_reference): Update. * ipa-pure-const.c (pass_ipa_pure_const): Update. * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish): Update. * ipa-inline.c (pass_ipa_inline): Update. * ipa.c (pass_ipa_whole_program): Update. * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update. * passes.c (ipa_write_summaries_1): Do not test wpa. (ipa_write_optimization_summaries_1): New. (ipa_write_optimization_summaries): New. (ipa_read_summaries): Do not test ltrans. (ipa_read_optimization_summaries_1): New. (ipa_read_optimization_summaries): New. 2010-04-21 Jan Hubicka * lto-cgraph.c (lto_output_node): Do not output comdat groups for boundary nodes. (output_cgraph): Do not arrange comdat groups for boundary nodes. 2010-04-21 Jakub Jelinek PR debug/40040 * dwarf2out.c (add_name_and_src_coords_attributes): Add DW_AT_{,MIPS_}linkage_name even for Fortran decls. 2010-04-21 Jan Hubicka * ipa-prop.c (ipa_edge_removal_hook): Check for bounds. 2010-04-21 Jan Hubicka * varpool.c (decide_is_variable_needed): Variable is always needed during ltrans. 2010-04-21 Jan Hubicka * opts.c (decode_options): Enable pure-const pass for whopr. 2010-04-21 Jan Hubicka * cgraph.c (dump_cgraph_node): Dump also assembler name. * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice at WPA dumping. (cgraph_decide_inlining): Do not expect callee to be removed in all cases. 2010-04-21 Eric B. Weddington * config/avr/avr-devices.c (avr_mcu_types): Add missing comma. 2010-04-21 Uros Bizjak * config/i386/i386.md (x86_shrd): Add athlon_decode and amdfam10_decode attributes. 2010-04-21 Jakub Jelinek PR middle-end/43570 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE. (lower_copyprivate_clauses): Use private var in outer context instead of original var. Make sure the types are correct for VLAs. 2010-04-21 Richard Guenther * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping to non-pointer objects. 2010-04-21 Jakub Jelinek * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop last chain entry if it starts with the still current label. (add_location_or_const_value_attribute): Check that loc_list->first->next is NULL instead of comparing ->first with ->last. (dwarf2out_var_location): Pass last_label resp. last_postcall_label to add_var_loc_to_decl. * dwarf2out.c (output_call_frame_info): For dw_cie_version >= 4 add also address size and segment size fields into CIE header. * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as long as address size is the same as sizeof (void *) and segment size is 0. * unwind-dw2-fde.c (get_cie_encoding): Likewise. If address size or segment size is unexpected, return DW_EH_PE_omit. (classify_object_over_fdes): If get_cie_encoding returned DW_EH_PE_omit, return -1. (init_object): If classify_object_over_fdes returned -1, pretend there were no FDEs at all. 2010-04-21 Uros Bizjak * config/i386/i386.md (bswap2): Macroize expander from bswap{si,di}2 using SWI48 mode iterator. (*bswap2_movbe): Macroize insn from *bswap{si,di}_movbe using SWI48 mode iterator. Set type attribute of bswap insn to bitmanip, set modrm attribute of bswap insn to 0 and remove length attribute. (*bswap2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode iterator. Set type attribute to bitmanip, set modrm attribute to 0, set mode attribute to and remove length attribute. 2010-04-20 James E. Wilson PR rtl-optimization/43520 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with zero available registers. 2010-04-20 Kaveh R. Ghazi * builtins.c (fold_builtin_cproj): Fold more cases. 2010-04-20 Kaveh R. Ghazi * builtins.c (build_complex_cproj, fold_builtin_cproj): New. (fold_builtin_1): Fold builtin cproj. * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL): Use ATTR_CONST_NOTHROW_LIST. 2010-04-20 Uros Bizjak * config/i386/i386.md (ffs2): Macroize expander from ffs_cmove and ffsdi2 using SWI48 mode iterator. Expand SImode insn through ffsi2_no_cmove for !TARGET_CMOVE. (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public. (ffssi2): Remove expander. (*ffs_1): Macroize insn from *ffs{si,di} using SWI48 mode iterator. (ctz2): Ditto from ctz{si,di}2. (clz2): Macroize expander from ctz{hi,si,di}2 using SWI248 mode iterator. (clz2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248 mode iterator. 2010-04-20 Jakub Jelinek * dwarf2out.c (AT_linkage_name): Define. (clone_as_declaration): Handle DW_AT_linkage_name. (add_name_and_src_coords_attributes): Use AT_linkage_name instead of DW_AT_MIPS_linkage_name. (move_linkage_attr): Likewise. (dwarf2out_finish): Likewise. 2010-04-20 Xinliang David Li PR middle-end/41952 * fold-const.c (fold_comparison): New folding rule. 2010-04-20 Anatoly Sokolov * double-int.h (double_int_setbit): Declare. * double-int.c (double_int_setbit): New function. * rtl.h (immed_double_int_const): Declare. * emit-rtl.c (immed_double_int_const): New function. * builtins.c (expand_builtin_signbit): Clean up, use double_int_* and immed_double_int_const functions. * optabs.c (expand_absneg_bit, expand_copysign_absneg, expand_copysign_bit): (Ditto.). * simplify-rtx.c (simplify_binary_operation_1): (Ditto.). * tree-ssa-address.c (addr_for_mem_ref): (Ditto.). * dojump.c (prefer_and_bit_test): (Ditto.). * expr.c (convert_modes, reduce_to_bit_field_precision, const_vector_from_tree): (Ditto.). * expmed.c (mask_rtx, lshift_value): (Ditto.). 2010-04-20 Jan Hubicka * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin. (dump_cgraph_node): Dump new flags. * cgraph.h (struct cgraph_node): Add flags reachable_from_other_partition and in_other_partition. (cgraph_can_remove_if_no_direct_calls_p): Functions used by other partition can not be removed. * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by the other partition must be output; silence sanity checking on leaking functions bodies from other paritition. * lto-cgraph.c (reachable_from_other_partition_p): New function. (lto_output_node): Output new flags; do not sanity check that inline clones are output; drop lto_forced_extern_inline_p code; do not mock visibility flags at partition boundaries. (add_node_to): New function. (output_cgraph): Use it to sort functions so masters appear before clones. (input_overwrite_node): Input new flags. * passes.c (ipa_write_summaries): Do not call lto_new_extern_inline_states. * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states lto_delete_extern_inline_states, lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill. * lto-streamer.h (lto_new_extern_inline_states, * lto_delete_extern_inline_states, lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill. 2010-04-20 Richard Guenther * tree-ssa-structalias.c (do_sd_constraint): Add edges only from vars that can have pointers. (process_constraint): Dump useless constraints. 2010-04-20 Richard Guenther * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF. (dump_sa_points_to_info): Remove asserts. (init_base_vars): nothing_id isn't an escape point nor does it have pointers. 2010-04-20 Jakub Jelinek * tree.h (TYPE_REF_IS_RVALUE): Define. * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die, should_move_die_to_comdat, prune_unused_types_walk): Handle DW_TAG_rvalue_reference_type like DW_TAG_reference_type. (modified_type_die, gen_reference_type_die): Emit DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type if TYPE_REF_IS_RVALUE and -gdwarf-4. 2010-04-20 Andreas Krebbel PR target/43635 * config/s390/s390.c (s390_emit_call): Turn direct into indirect calls for -fpic -m31 if they have been sibcall optimized. 2010-04-19 James E. Wilson * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make ar.lc fixed and call-used. * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define. 2010-04-19 Jan Hubicka * opts.c (decode_options): Disable whpr incompatible passes. * lto/lto.c (lto_1_to_1_map): Skip clones. (read_cgraph_and_symbols): Do not mark everything as needed. (do_whole_program_analysis): Do map only after optimizing; set proper cgraph_state; use passmanager. 2010-04-19 DJ Delorie * cfgexpand.c (expand_debug_expr): Check for mismatched modes in POINTER_PLUS_EXPR and fix them. 2010-04-19 Eric B. Weddington * config/avr/avr-devices.c (avr_mcu_types): Add support for new devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313, attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a, atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa, atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa, atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p, atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a, atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a, m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1, atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b. * config/avr/t-avr.c (MULTILIB_MATCHES): Same. 2010-04-19 Eric Botcazou * ifcvt.c (noce_try_cmove_arith): Fix long lines. (check_cond_move_block): Likewise. (cond_move_process_if_block): Likewise. (noce_find_if_block): Improve formatting. (find_if_header): Pass 0 to memset and tweak conditions. (cond_exec_find_if_block): Fix long lines and tweak conditions. 2010-04-19 Jakub Jelinek * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0 for -gdwarf-4. PR middle-end/43337 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE with non-local decl doesn't need chain. 2010-04-19 Vladimir Makarov * ira-color.c (allocno_reload_assign): Avoid accumulating reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS. 2010-04-19 Martin Jambor * gimple.h (create_tmp_reg): Declare. * gimplify.c (create_tmp_reg): New function. (gimplify_return_expr): Use create_tmp_reg. (gimplify_omp_atomic): Likewise. (gimple_regimplify_operands): Likewise. * tree-dfa.c (make_rename_temp): Likewise. * tree-predcom.c (predcom_tmp_var): Likewise. (reassociate_to_the_same_stmt): Likewise. * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise. (get_replaced_param_substitute): Likewise. * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise. * tree-ssa-phiopt.c (cond_store_replacement): Likewise. * tree-ssa-pre.c (get_representative_for): Likewise. (create_expression_by_pieces): Likewise. * tree-tailcall.c (adjust_return_value_with_ops): Likewise. (create_tailcall_accumulator): Likewise. 2010-04-19 Martin Jambor * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update new_stmt. (cgraph_materialize_all_clones): Assert !need_ssa_update_p. 2010-04-19 Richard Guenther PR tree-optimization/43796 * tree-vrp.c (adjust_range_with_scev): Lookup init and step from SCEV in the lattice. (vrp_visit_phi_node): Dump change. 2010-04-19 Richard Guenther * configure.ac: Fix quoting around elf_getshstrndx ABI check. * configure: Re-generated. 2010-04-19 Richard Guenther PR tree-optimization/43783 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop constant ARRAY_REF operands two and three if possible. 2010-04-19 Uros Bizjak PR target/43766 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends. 2010-04-19 Jie Zhang PR target/43662 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false. 2010-04-19 Ira Rosen PR tree-optimization/37027 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions and macro to access it. (vectorizable_reduction): Add argument. (vect_get_slp_defs): Likewise. * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction statements for possible use in SLP. (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS. (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS. (vect_create_epilog_for_reduction): Handle SLP. Modify documentation, add new argument. (vectorizable_reduction): Likewise. * tree-vect-stmts.c (vect_get_vec_defs): Update call to vect_get_slp_defs. (vectorizable_type_demotion, vectorizable_type_promotion, vectorizable_store): Likewise. (vect_analyze_stmt): Update call to vectorizable_reduction. (vect_transform_stmt): Likewise. * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction. (vect_build_slp_tree): Fix indentation. Check that there are no loads from different interleaving chains in same node. (vect_slp_rearrange_stmts): New function. (vect_supported_load_permutation_p): Allow load permutations for reductions. Call vect_slp_rearrange_stmts() to rearrange statements inside SLP nodes if necessary. (vect_analyze_slp_instance): Handle reductions. (vect_analyze_slp): Try to build SLP instances originating from groups of reductions. (vect_detect_hybrid_slp_stmts): Skip reduction statements. (vect_get_constant_vectors): Create initial vectors for reductions according to reduction code. Add new argument. (vect_get_slp_defs): Add new argument, pass it to vect_get_constant_vectors. (vect_schedule_slp_instance): Remove SLP tree root statements. 2010-04-19 Jakub Jelinek * tree.h (ENUM_IS_SCOPED): Define. * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class for ENUM_IS_SCOPED enums. 2010-04-18 Eric Botcazou * fold-const.c (fold_comparison): Use ssizetype. * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise. * ipa-prop.c (ipa_modify_call_arguments): Use sizetype. * tree-loop-distribution.c (build_size_arg_loc): Likewise. * tree-object-size.c (compute_object_sizes): Use size_type_node. * tree.h (initialize_sizetypes): Remove parameter. (build_common_tree_nodes): Remove second parameter. * stor-layout.c (initialize_sizetypes): Remove parameter. Always create an unsigned type. (set_sizetype): Assert that the passed type is unsigned and simplify. * tree.c (build_common_tree_nodes): Remove second parameter. Adjust call to initialize_sizetypes. * c-decl.c (c_init_decl_processing): Remove second argument in call to build_common_tree_nodes. 2010-04-18 Matthias Klose * gcc.c (main): Search for liblto_plugin.so with mode R_OK. 2010-04-18 Ira Rosen PR tree-optimization/43771 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that load permutation doesn't have gaps. 2010-04-18 Jan Hubicka * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New. (sse_prologue_save_insn expander): Use new pattern. (sse_prologue_save_insn1): New pattern and splitter. (sse_prologue_save_insn): Update to deal also with 64bit aligned blocks. * i386.c (setup_incoming_varargs_64): Do not compute jump destination here. (ix86_gimplify_va_arg): Update alignment needed. (ix86_local_alignment): Do not align all local arrays to 128bit. 2010-04-17 Jan Hubicka * ipa-inline.c (cgraph_early_inlining): Handle flattening too. 2010-04-17 Richard Earnshaw * arm.md (negdi2): Remove redundant code to force values into a register. 2010-04-17 Richard Earnshaw * arm/bpabi.S: Add EABI alignment attributes to objects. * arm/bpabi-v6m.S: Likewise. * arm/crti.asm: Likewise. * arm/crtn.asm: Likewise. * arm/lib1funcs.asm: Likewise. * arm/libunwind.S: Likewise. 2010-04-17 Richard Earnshaw * arm-protos.h (tune_params): New structure. * arm.c (current_tune): New variable. (arm_constant_limit): Delete. (struct processors): Add pointer to the tune parameters. (arm_slowmul_tune): New tuning option. (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise. (all_cores): Adjust to pick up the tuning model. (arm_constant_limit): New function. (arm_override_options): Select the appropriate tuning model. Delete initialization of arm_const_limit. (arm_split_constant): Use the new constant-limit model. (arm_rtx_costs): Pick up the current tuning model. * arm.md (is_strongarm, is_xscale): Delete. * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly for Xscale variant architectures. (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM. 2010-04-17 Ramana Radhakrishnan * config/arm/arm.c (arm_gen_constant): Remove unused variable can_shift. (arm_rtx_costs_1): Remove unused variable extra_cost. (arm_unwind_emit_set): Use variable offset. (thumb1_output_casesi): Remove unused variable flags. 2010-04-16 Jeff Law * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos needing assignment rather than doing a two-phase assignment. Remove unused variable 'm'. 2010-04-16 Jakub Jelinek PR bootstrap/43767 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL. 2010-04-16 Doug Kwan * tree-ssa-reassoc.c (struct operand_entry): Add new field ID. (next_operand_entry_id): New static variable. (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs. (add_to_ops_vec): Assigned unique ID to operand entry. (struct oecount_s): New field ID. (oecount_cmp): Stabilize qsort comparotor by using unique IDs. (undistribute_ops_list): Assign unique IDs to oecounts. (init_reassoc): reset next_operand_entry_id. 2010-04-16 Doug Kwan * config/i386/i386.md (*jcc_bt): Fix build breakage by adding missing left parenthesis. 2010-04-16 Uros Bizjak * config/i386/i386.md (*bt): Macroize insn from *btsi and *btdi_rex64 using SWI48 mode iterator. (*jcc_bt): Ditto from *jcc_btsi and *jcc_btdi_rex64. (*jcc_bt_mask): Ditto from *jcc_btsi_mask and *jcc_btdi_mask_rex64. 2010-04-16 Anatoly Sokolov * double-int.h (tree_to_double_int): Convert to macro. * double-int.c (tree_to_double_int): Remove. 2010-04-16 Jakub Jelinek PR debug/43762 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree with want_address 2 and in case a single element list might be possible, call it again with want_address 0. 2010-04-12 Kaushik Phatak * config/h8300/h8300.c (print_operand) : Modify case 'V' and case 'W' print operands for HI mode. * config/h8300/h8300.h (Y0, Y2) : New constraints. * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise. * config/h8300/predicate.md (bit_register_indirect_operand): New. * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX. * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx, cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in #xx:3 and #xx:4 mode. * config/h8300/h8300.md (inverted load with HImode dest): Add support for H8300SX. * config/h8300/predicate.md (bit_operand): Allow immediate values that satisfy 'U' constraint. 2010-04-16 Rainer Orth * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor. * configure: Regenerate. * config.in: Regenerate. * doc/install.texi (Prerequisites): Document that Solaris 2 libelf works. 2010-04-16 Richard Guenther * tree.h (struct tree_decl_minimal): Move pt_uid ... (struct tree_decl_common): ... here. (DECL_PT_UID): Adjust. (SET_DECL_PT_UID): Likewise. (DECL_PT_UID_SET_P): Likewise. 2010-04-16 Richard Guenther PR tree-optimization/43572 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare. * tree-ssa-alias.c (call_may_clobber_ref_p): Export. * tree-flow.h (is_call_clobbered): Remove. * tree-flow-inline.h (is_call_clobbered): Likewise. * tree-dfa.c (dump_variable): Do not dump call clobber state. * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle. (execute_return_slot_opt): Adjust. * tree-tailcall.c (suitable_for_tail_opt_p): Remove check for call clobbered vars here. (find_tail_calls): Move tailcall verification to the proper place. 2010-04-16 Diego Novillo * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled. 2010-04-16 Bernd Schmidt PR target/40603 * config/arm/arm.md (cbranchqi4): New pattern. * config/arm/predicates.md (const0_operand, cbranchqi4_comparison_operator): New predicates. 2010-04-16 Richard Guenther * gimple-pretty-print.c (dump_gimple_phi): Dump alias info. (dump_gimple_stmt): Likewise. 2010-04-16 Bernd Schmidt * recog.h (struct recog_data): New field is_operator. (struct insn_operand_data): New field is_operator. * recog.c (extract_insn): Set recog_data.is_operator. * genoutput.c (output_operand_data): Emit code to set the is_operator field. * reload.c (find_reloads): Use it rather than testing for an empty constraint string. PR target/41514 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn". If the previous insn is a cbranchsi4_insn with the same arguments, omit the compare instruction. * config/arm/arm.md (addsi3_cbranch): If destination is a high register, inputs must be low registers and we need a low register scratch. Handle alternative 2 like alternative 3. 2010-04-16 Jakub Jelinek * alias.c (memrefs_conflict_p): If x and y are the same VALUE, don't call get_addr on both. If one expression is a VALUE and the other a REG, check VALUE's locs if the REG isn't among them. 2010-04-16 Christian Bruel * config/sh/sh.h (sh_frame_pointer_required): New function. * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro. (flag_omit_frame_pointer) Set. (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set. (rounded_frame_size): Adjust size with outgoing_args_size. (sh_set_return_address): Must return from stack pointer. * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define. (SUBTARGET_FRAME_POINTER_REQUIRED): Define. (ACCUMULATE_OUTGOING_ARGS): Define. * doc/invoke.texi (maccumulate-outgoing-args): Document for SH. * gcc/config/sh/sh.opt (maccumulate-outgoing-args): New option. 2010-04-15 Kaz Kojima PR target/43471 * config/sh/sh.c (sh_legitimize_reload_address): Use MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P. Remove a unneeded check for offset_base. 2010-04-15 H.J. Lu * configure: Regenerated. 2010-04-15 Andreas Krebbel * config/s390/s390.c (s390_call_save_register_used): Switch back to HARD_REGNO_NREGS. 2010-04-15 Richard Guenther * alias.c (alias_set_subset_of): Handle alias-set zero child properly. 2010-04-15 Mark Shinwell Julian Brown * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str alternatives according to use of high and low regs. * config/arm/vfp.md (thumb2_movsi_vfp): Likewise. * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when optimizing for size on Thumb-2. 2010-04-15 Thomas Schwinge * config.gcc : Handle softfp as for Linux. 2010-04-15 Richard Guenther * tree-ssa-structalias.c (struct variable_info): Add is_fn_info flag. (new_var_info): Initialize it. (dump_constraints): Support printing last added constraints. (debug_constraints): Adjust. (dump_constraint_graph): Likewise. (make_heapvar_for): Check for NULL cfun. (get_function_part_constraint): New function. (get_fi_for_callee): Likewise. (find_func_aliases): Properly implement IPA PTA constraints. (process_ipa_clobber): New function. (find_func_clobbers): Likewise. (insert_into_field_list_sorted): Remove. (create_function_info_for): Properly allocate vars for IPA mode. Do not use insert_into_field_list_sorted. (create_variable_info_for): Properly generate constraints for global vars in IPA mode. (dump_solution_for_var): Always dump the solution. (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode. (find_what_var_points_to): Adjust. (pt_solution_set): Change. (pt_solution_ior_into): New function. (pt_solution_empty_p): Export. (pt_solution_includes_global): Adjust. (pt_solution_includes_1): Likewise. (pt_solutions_intersect_1): Likewise. (dump_sa_points_to_info): Check some invariants. (solve_constraints): Move constraint dumping ... (compute_points_to_sets): ... here. (ipa_pta_execute): ... and here. (compute_may_aliases): Do not re-compute points-to info locally if IPA info is available. (ipa_escaped_pt): New global var. (ipa_pta_execute): Properly implement IPA PTA. * tree-into-ssa.c (dump_decl_set): Support dumping decls not in referenced-vars. * tree-flow.h (struct gimple_df): Add ipa_pta flag. * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust. (dump_points_to_solution): Likewise. * tree-dfa.c (dump_variable): Also dump DECL_PT_UID. * tree-inline.c (remap_ssa_name): Copy IPA points-to solution. (remap_gimple_stmt): Reset call clobber/use information if necessary. (copy_decl_to_var): Copy DECL_PT_UID. (copy_result_decl_to_var): Likewise. * tree.c (make_node_stat): Initialize DECL_PT_UID. (copy_node_stat): Copy it. * tree.h (DECL_PT_UID): New macro. (SET_DECL_PT_UID): Likewise. (DECL_PT_UID_SET_P): Likewise. (struct tree_decl_minimal): Add pt_uid member. * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag. (pt_solution_empty_p): Declare. (pt_solution_set): Adjust. (ipa_escaped_pt): Declare. * cfgexpand.c (update_alias_info_with_stack_vars): Adjust. * gimple-pretty-print.c (pp_points_to_solution): New function. (dump_gimple_call): Dump call clobber/use information. * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry. * tree-pass.h (TDF_ALIAS): New dump option. * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to. * doc/invoke.texi (-fipa-pta): Update documentation. 2010-04-15 Richard Guenther * Makefile.in (OBJS-common): Add gimple-fold.o. (gimple-fold.o): New rule. * tree.h (maybe_fold_offset_to_reference, maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move prototypes ... * gimple.h: ... here. * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value, may_propagate_address_into_dereference): Move prototypes ... * gimple.h: ... here. * tree-ssa-ccp.c (get_symbol_constant_value, may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref, maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference, maybe_fold_offset_to_address, maybe_fold_stmt_indirect, maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen, ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond, fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace, gimplify_and_update_call_from_tree): Move ... * gimple-fold.c: ... here. New file. (ccp_fold_builtin): Rename to ... (gimple_fold_builtin): ... this. * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust. 2010-04-15 Richard Guenther * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode, fit_double_type, force_fit_type_double, add_double_with_sign, neg_double, mul_double_with_sign, lshift_double, rshift_double, lrotate_double, rrotate_double, div_and_round_double): Move ... * double-int.c: ... here. * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign, add_double, neg_double, mul_double_with_sign, mul_double, lshift_double, rshift_double, lrotate_double, rrotate_double, div_and_round_double): Move prototypes ... * double-int.h: ... here. 2010-04-15 Bernd Schmidt PR target/43742 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use matching constraints to ensure inputs match the output. 2010-04-15 Kaz Kojima PR target/43742 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint in an input-only operand. 2010-04-15 Anatoly Sokolov * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define. (double_int_not, double_int_lshift, double_int_rshift): Declare. (double_int_negative_p): Convert to static inline function. * double-int.c (double_int_lshift, double_int_lshift): New functions. (double_int_negative_p): Remove. * tree.h (lshift_double, rshift_double): * tree.c (build_low_bits_mask): Clean up, use double_int_* functions. * fold-const.c (fold_convert_const_int_from_real, fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.). (lshift_double): Change type of arith argument to bool. (rshift_double): Change type of arith argument to bool. Correct comment. * expmed.c (mask_rtx, lshift_value): (Ditto.). 2010-04-14 Bernd Schmidt PR target/21803 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences at the start and end of the then/else blocks, and omit them from the conversion. * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE argument; all callers changed. Pass zero to old_insns_match_p instead. (flow_find_head_matching_sequence): New function. (old_insns_match_p): Check REG_EH_REGION notes for calls. * basic-block.h (flow_find_cross_jump, flow_find_head_matching_sequence): Declare functions. 2010-04-14 Jason Merrill PR c++/36625 * c-common.c (attribute_takes_identifier_p): New fn. * c-common.h: Declare it. 2010-04-14 Uros Bizjak * config/i386/i386.md (*divmod4): Remove stray "&&" from splitter condition. (*udivmod4): Ditto. 2010-04-14 Uros Bizjak * config/i386/i386.md (maxmin_int): Rename code attribute from maxminiprefix and update all users. (maxmin_float): Ditto from maxminfprefix. (logic): Ditto from logicprefix. (absneg_mnemonic): Ditto from absnegprefix. * config/i386/mmx.md: Update all users of maxminiprefix, maxminfprefix and logicprefix for rename. * config/i386/sse.md: Ditto. * config/i386/sync.md (sync_): Update for logicprefix rename. 2010-04-14 Manuel López-Ibáñez PR 42966 * diagnostics.c (diagnostic_report_diagnostic): Mark specially warnings converted to errors. 2010-04-14 Uros Bizjak * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not used insn_type variable. (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration to avoid set-but-not-used warning. 2010-04-14 Uros Bizjak * df-core.c (df_ref_debug): Change format string placeholder from 0x%x to %#x. * dwarf2asm.c (dw2_asm_output_data_raw, dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128, dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto. * dwarf2out.c (output_cfi, output_cfi_directive, dwarf2out_do_cfi_startproc, output_loc_sequence_raw, output_cfa_loc_raw, output_die, output_ranges, output_file_names): Ditto. * genattrtab.c (write_test_expr, write_attr_valueq): Ditto. * print-rtl.c (print_rtx): Ditto. 2010-04-14 Michael Meissner PR middle-end/42694 * builtins.c (expand_builtin_pow_root): New function to expand pow calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a series of sqrt and cbrt calls under -ffast-math. (expand_builtin_pow): Call it. 2010-04-14 Michael Matz PR tree-optimization/42963 * tree-cfg.c (touched_switch_bbs): New static variable. (group_case_labels_stmt): New function broken out from ... (group_case_labels): ... here, use the above. (start_recording_case_labels): Allocate touched_switch_bbs. (end_recording_case_labels): Deallocate it, call group_case_labels_stmt. (gimple_redirect_edge_and_branch): Remember index of affected BB. 2010-04-14 Uros Bizjak * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute from insn template. 2010-04-14 Uros Bizjak * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern. 2010-04-13 Jan Hubicka * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting of optimized out static functions. (cgraph_edge_badness): Add DUMP parameter and dump reasons for the cost computation. Also sanity check for overflows. (update_caller_keys): Update cgraph_edge_badness call; properly update fibheap and sanity check that it is up to date. (add_new_edges_to_heap): Update cgraph_edge_badness. (cgraph_decide_inlining_of_small_function): Likewise; add sanity checking that badness in heap is up to date; improve dumping of reason; Update badness of calls to the offline copy of function currently inlined; dump badness of functions not inlined because of unit growth limits. 2010-04-13 Eric Botcazou PR middle-end/32628 * c-common.c (pointer_int_sum): Disregard overflow that occured only because of sign-extension change when converting to sizetype here... * fold-const.c (fold_convert_const_int_from_int): ...and not here. * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict the folding to constants. Remove redundant final conversion. (fold_binary) : Do not associate if the re-association of constants alone overflows. (fold_binary) : Move transformation into BIT_AND_EXPR to the end of the list. (multiple_of_p) : New case. 2010-04-13 Manuel López-Ibáñez * opt-functions.awk (opt_sanitized_name): New. (opt_enum): New. * optc-gen.awk: Use it * opth-gen.awk: Use it. 2010-04-13 Martin Jambor * tree-sra.c (replace_uses_with_default_def_ssa_name): New function. (sra_modify_assign): Delete stmts loading dead data even if racc has no children. Call replace_uses_with_default_def_ssa_name to handle SSA_NAES on lhs. 2010-04-13 Michael Matz PR middle-end/43730 * builtins.c (expand_builtin_interclass_mathfn): Also create a register if the predicate doesn't match. 2010-04-13 Diego Novillo * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h. * c-pch.c: Include timevar.h. (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers. (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers. * ggc-common.c: Include timevar.h. (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers. * timevar.def (TV_PCH_SAVE): Define. (TV_PCH_CPP_SAVE): Define. (TV_PCH_PTR_REALLOC): Define. (TV_PCH_PTR_SORT): Define. (TV_PCH_RESTORE): Define. (TV_PCH_CPP_RESTORE): Define. 2010-04-13 Michael Matz * tree-ssa-reassoc.c (repropagate_negates): Merge negates also into MINUS_EXPRs. (can_reassociate_p): New function. (break_up_subtract_bb, reassociate_bb): Use it. 2010-04-13 Richard Guenther PR bootstrap/43737 * builtins.c (c_readstr): Fix assert. 2010-04-13 Uros Bizjak * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG when generating cltd insn. (*ashl3_1): Remove special handling for register operand 2. (*ashlsi3_1_zext): Ditto. (*ashlhi3_1): Ditto. (*ashlhi3_1_lea): Ditto. (*ashlqi3_1): Ditto. (*ashlqi3_1_lea): Ditto. (*3_1): Ditto. (*si3_1_zext): Ditto. (*qi3_1_slp): Ditto. (*3_1): Ditto. (*si3_1_zext): Ditto. (*qi3_1_slp): Ditto. 2010-04-13 Richard Guenther * tree-ssa-structalias.c (callused_id): Remove. (call_stmt_vars): New. (get_call_vi): Likewise. (lookup_call_use_vi): Likewise. (lookup_call_clobber_vi): Likewise. (get_call_use_vi): Likewise. (get_call_clobber_vi): Likewise. (make_transitive_closure_constraints): Likewise. (handle_const_call): Adjust to do per-call call-used handling. (handle_pure_call): Likewise. (find_what_var_points_to): Remove general callused handling. (init_base_vars): Likewise. (init_alias_vars): Initialize call_stmt_vars. (compute_points_to_sets): Process call-used and call-clobbered vars for call statements. (delete_points_to_sets): Free call_stmt_vars. 2010-04-13 Richard Guenther * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Only add RW dependence for dependence distance zero. Adjust maximal vectorization factor according to dependences. Move alignment handling ... (vect_find_same_alignment_drs): ... here. New function. (vect_analyze_data_ref_dependences): Adjust. (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs. (vect_analyze_data_refs): Adjust minimal vectorization factor according to data references. * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref dependences before determining the vectorization factor. Analyze alignment after determining the vectorization factor. * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref dependences before alignment. * tree-vectorizer.h (vect_analyze_data_ref_dependences): Adjust prototype. (vect_analyze_data_refs): Likewise. (MAX_VECTORIZATION_FACTOR): New define. 2010-04-13 Duncan Sands * except.h (lang_eh_type_covers): Remove. * except.c (lang_eh_type_covers): Likewise. 2010-04-13 Andreas Krebbel Ulrich Weigand * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH. * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with UNITS_PER_LONG where it is ABI relevant. (s390_return_addr_rtx): Likewise. (s390_back_chain_rtx): Likewise. (s390_frame_area): Likewise. (s390_frame_info): Likewise. (s390_initial_elimination_offset): Likewise. (save_gprs): Likewise. (s390_emit_prologue): Likewise. (s390_emit_epilogue): Likewise. (s390_function_arg_advance): Likewise. (s390_function_arg): Likewise. (s390_va_start): Likewise. (s390_gimplify_va_arg): Likewise. (s390_function_profiler): Likewise. (s390_optimize_prologue): Likewise. (s390_rtx_costs): Likewise. (s390_secondary_reload): Likewise. (s390_promote_function_mode): Likewise. (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH. (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit registers available. (s390_unwind_word_mode): New function. (s390_function_value): Split 64 bit values into register pair if used as return value. (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for function call parameters. Handle parallels. (TARGET_SCALAR_MODE_SUPPORTED_P): New macro. (HARD_REGNO_CALL_PART_CLOBBERED): New macro. (DWARF_CIE_DATA_ALIGNMENT): New macro. (s390_expand_setmem): Remove unused variable src_addr. * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to deal with 64 bit registers. * gcc/config/s390/s390.h: Define __zarch__ predefined macro. Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant. (UNITS_PER_LONG): New macro. * libjava/include/s390-signal.h: Define extended ucontext structure containing the upper halfs of the 64 bit registers. 2010-04-13 Simon Baldwin * cfgexpand.c (gimple_expand_cfg): Clarify warning message text. 2010-04-13 Eric Botcazou * gimple.c (walk_gimple_op) : Do not request a pure rvalue on the RHS if the LHS is of a non-renamable type. * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result. 2010-04-13 Matthias Klose * gcc.c (cc1_options): Handle -iplugindir before processing the cc1 spec. Only add -iplugindir once. (cpp_unique_options): Add -iplugindir option if -fplugin* options found. * common.opt (iplugindir): Remove `Separate' property, initialize. * plugin.c (default_plugin_dir_name): Error with missing -iplugindir option. * Makefile.in (check-%, check-parallel-%): Create plugin dir. (distclean): Remove plugin dir. * doc/invoke.texi: Document -iplugindir. 2010-04-13 Basile Starynkevitch * doc/plugins.texi (Loading Plugins): Document short -fplugin=foo option. (Plugin API): Mention default_plugin_dir_name function. * gcc.c (find_file_spec_function): Add new declaration. (static_spec_func): Use it for "find-file". (find_file_spec_function): Add new function. (cc1_options): Add -iplugindir option if -fplugin* options found. * gcc-plugin.h (default_plugin_dir_name): Added new declaration. * plugin.c (add_new_plugin): Updated comment, and handle short plugin name. (default_plugin_dir_name): Added new function. * common.opt (iplugindir): New option to set the plugin directory. 2010-04-12 Uros Bizjak * config/i386/i386.md (any_rotate): New code iterator. (rotate_insn): New code attribute. (rotate): Ditto. (SWIM124): New mode iterator. (ti3): New expander. (di3): Macroize expander from {rotl,rotr}di3 using any_rotate code iterator. (3) Macroize expander from {rotl,rotr}{qi,hi,si}3 using any_rotate code iterator and SWIM124 mode iterator. (ix86_rotlti3): New insn_and_split pattern. (ix86_rotrti3): Ditto. (ix86_rotl3_doubleword): Macroize insn_and_split pattern from ix86_rotl{di,ti}3 patterns. (ix86_rotr3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns. (*3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate code iterator and SWI mode iterator. (*si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext. Macroize insn from {rotl,rotr}si3_1_zext using any_rotate code iterator. (*qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp. Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator. (bswap rotatert splitter): Add splitter. (bswap splitter): Macroize splitter using any_rotate code iterator. Add insn predicate to split only for TARGET_USE_XCHGB or when optimizing function for size. 2010-04-12 Steve Ellcey * config/pa/pa.c (emit_move_sequence): Remove use of deleted variable flag_argument_noalias. 2010-04-12 Rainer Orth * config.gcc: Removed *-*-solaris2.7* from list of obsolete configurations. Add to unsupported targets list. * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*, sparc*-sun-solaris2.[567]* from target lists. * configure: Regenerate. * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7 removal. Remove Solaris 7 patch references. (Specific, sparc-sun-solaris2.7): Removed. (sparc-sun-solaris2*): Update Solaris 7 example. (sparc64-*-solaris2*): Likewise. 2010-04-12 Rainer Orth * config.build (alpha*-dec-osf4*): Remove. * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list of obsolete configurations. (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0* support. * config/alpha/t-osf4: Renamed to ... * config/alpha/t-osf5: ... this. * config/alpha/osf.h: Renamed to ... * config/alpha/osf5.h: ... this. Merged old osf5.h contents. Update comments. (ASM_SPEC): Use ASM_OLDAS_SPEC directly. (EXTRA_SPECS): Removed. * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to reflect removal of Tru64 UNIX V4.0/V5.0 support. Document that. 2010-04-12 Rainer Orth * doc/contrib.texi (Contributors, Rainer Orth): Update. 2010-04-12 Kai Tietz PR/43702 * config/i386/i386.c (x86_this_parameter): Handle aggregate for __thiscall convention. 2010-04-12 Steve Ellcey * config/pa/pa.c (hppa_legitimize_address): Remove unused variable orig_base. * config/pa/pa.md (call, call_value): Remove unused variable call_insn. 2010-04-12 Steve Ellcey * function.c (assign_parms_initialize_all): Add unused attribute to fntype. 2010-04-12 Richard Guenther * gsstruct.def (GSS_CALL): New. * gimple.def (GIMPLE_CALL): Change to GSS_CALL. * gimple.h: Include tree-ssa-alias.h. (struct gimple_statement_call): New. (union gimple_statement_struct_d): Add gimple_call member. (gimple_call_reset_alias_info): Declare. (gimple_call_use_set): New function. (gimple_call_clobber_set): Likewise. * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h. * gimple.c (gimple_call_reset_alias_info): New function. (gimple_build_call_1): Call it. * lto-streamer-in.c (input_gimple_stmt): Likewise. * tree-inline.c (remap_gimple_stmt): Likewise. (expand_call_inline): Remove callused handling. * cfgexpand.c (update_alias_info_with_stack_vars): Likewise. * tree-dfa.c (dump_variable): Likewise. * tree-parloops.c (parallelize_loops): Likewise. * tree-ssa.c (init_tree_ssa): Likewise. (delete_tree_ssa): Likewise. * tree-flow-inline.h (is_call_used): Remove. * tree-flow.h (struct gimple_df): Remove callused member. * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate. * tree-ssa-alias.c (dump_alias_info): Remove callused handling. (ref_maybe_used_by_call_p_1): Simplify. (call_may_clobber_ref_p_1): Likewise. * tree-ssa-structalias.c (compute_points_to_sets): Set the call stmt used and clobbered sets. * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate. (find_tail_calls): Verify the tail call. 2010-04-12 Richard Guenther * ipa.c (cgraph_postorder): Adjust postorder to guarantee single-iteration always-inline inlining. * ipa-inline.c (cgraph_mark_inline): Do not return anything. (cgraph_decide_inlining): Do not handle always-inline specially. (try_inline): Remove always-inline cycle detection special case. Do not recurse on always-inlines. (cgraph_early_inlining): Do not iterate if not optimizing. (cgraph_gate_early_inlining): remove. (pass_early_inline): Run unconditionally. (gate_cgraph_decide_inlining): New function. (pass_ipa_inline): Use it. Do not run the IPA inliner if not inlining or optimizing. (cgraph_decide_inlining_of_small_functions): Also consider always-inline functions. (cgraph_default_inline_p): Return true for nodes which should disregard inline limits. (estimate_function_body_sizes): Assume zero size and time for nodes which are marked as disregarding inline limits. (cgraph_decide_recursive_inlining): Do not perform recursive inlining on always-inline nodes. 2010-04-12 Jakub Jelinek PR bootstrap/43699 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even for exprs satisfying handled_component_p. 2010-04-12 Eric Botcazou * expr.c (categorize_ctor_elements_1): Properly count sub-elements of non-constant aggregate elements. * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this is a real initialization. 2010-04-12 Shujing Zhao PR c/36774 * c-decl.c (start_function): Move forward check for nested function. 2010-04-11 Kaz Kojima * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare. * config/sh/sh.c: Include reload.h. (sh_legitimize_reload_address): New. * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use sh_legitimize_reload_address. 2010-04-11 Kaushik Phatak * config/sh/sh.md (*movqi_pop): New insn pattern. * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate. 2010-04-11 Uros Bizjak * config/i386/i386.md (any_shiftrt): New code iterator. (shiftrt_insn): New code attribute. (shiftrt): Ditto. (3): Macroize expander from {ashr,lshr}3 using any_shiftrt code iterator. (*3_doubleword): Macroize insn_and_split from *{ashr,lshr}3_doubleword using any_shiftrt code iterator. (*3_doubleword peephole2): Macroize peephole2 pattern from corresponding peephole2 patterns. (*3_1): Macroize insn from *{ashr,lshr}3_1 using any_shiftrt code iterator. (*si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext. (*qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp. (*3_cmp): Ditto from *{ashr,lshr}3_cmp. (*3_cmp_zext): Ditto from *{ashr,lshr}3_cmp_zext. (*3_cconly): Ditto from *{ashr,lshr}3_cconly. 2010-04-11 Uros Bizjak * config/i386/i386.md (*ashr3_cconly): Fix wrong mode of scratch register. (*lshr3_cconly): Ditto. 2010-04-11 Uros Bizjak * config/i386/i386.md (lshr3): Macroize expander from lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator. (*lshr3_doubleword): New insn_and_split_pattern. Macroize pattern from *lshr{di,ti}3_1 and corresponding splitters using DWI mode iterator. (*lshr3_doubleword peephole2): Macroize peephole2 pattern from corresponding peephole2 patterns. (*lshr3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1 and *lshrdi3_1_rex64 using SWI mode iterator. (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext. (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp. (*lshr3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp and *lshrdi3_cmp_rex64 using SWI mode iterator. (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext. (*lshr3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and *lshrdi3_one_bit_cconly_rex64. Macroize insn from *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using SWI mode iterator. 2010-04-10 Uros Bizjak * config/i386/i386.md (ashr3): Macroize expander from ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator. (*ashr3_doubleword): New insn_and_split_pattern. Macroize pattern from *ashr{di,ti}3_1 and corresponding splitters using DWI mode iterator. (*ashr3_doubleword peephole2): Macroize peephole2 pattern from corresponding peephole2 patterns. (ashrdi3_cvt): Rename from ashrdi3_63_rex64. (ashrsi3_cvt): Rename from ashrsi3_31. (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext. (x86_shift_adj_3): Macroize expander from x86_shift_adj_3 and x86_64_shift_adj_3 using SWI48 mode iterator. (*ashr3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1 and *ashrdi3_1_rex64 using SWI mode iterator. (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext. (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp. (*ashr3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp and *ashrdi3_cmp_rex64 using SWI mode iterator. (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext. (*ashr3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and *ashrdi3_one_bit_cconly_rex64. Macroize insn from *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using SWI mode iterator. (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns. * config/i386/i386.c (ix86_split_ashr): Update for renamed x86_shift_adj_3 expanders. 2010-04-10 Wei Guozhi PR target/42601 * config/arm/arm.c (arm_pic_static_addr): New function. (legitimize_pic_address): Call arm_pic_static_addr when it detects a static symbol. (arm_output_addr_const_extra): Output expression for new pattern. * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol. 2010-04-10 Bernd Schmidt * ira-costs.c (record_reg_classes): Ignore alternatives that are not enabled. * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H). * web.c: Include "insn-config.h" and "recog.h". (union_match_dups): New function. (web_main): Call it. (union_defs): Don't try to recognize match_dups. * reload1.c (eliminate_regs_in_insn): Don't restore an operand if doing so would replace the entire pattern. 2010-04-09 Uros Bizjak PR target/43707 PR target/43709 * config/i386/i386.md (*ashl3_doubleword): Split to insn and splitter pattern. Change splitter operand 1 predicate to nonmemory_operand. 2010-04-09 Martin Jambor * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two lattices are addresses of CONST_DECLs with the same initial value. (ipcp_print_all_lattices): Print values of CONST_DECLs. * ipa-prop.c (ipa_print_node_jump_functions): Likewise. 2010-04-09 Eric Botcazou Bernd Schmidt * loop-invariant.c (replace_uses): New static function. (move_invariant_reg): Use it to ensure we can replace the uses. 2010-04-09 Hariharan Sandanagobalane * config/picochip/picochip.c (picochip_rtx_costs): Use correct function template. (picochip_override_options): Enable section anchors only above -O1. (picochip_reorg): Fixed a couple of build warnings. 2010-04-09 Rainer Orth * configure.ac (plugin -rdynamic test): Log result. * configure: Regenerate. * config/sol2.h (LINK_SPEC): Handle -rdynamic. (RDYNAMIC_SPEC): Define. * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine. 2010-04-09 Rainer Orth * configure.ac: Determine Sun ld version numbers. (comdat_group): Restrict GNU ld version checks to gld. (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688. (enable_comdat): Support --enable-comdat. * configure: Regenerate. * doc/install.texi (Configuration): Document --enable-comdat. 2010-04-09 Rainer Orth * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ... * config/sol2-gld.h: ... here. * config.gcc (sparc*-*-solaris2*): Reflect this. (i[34567]86-*-solaris2*): Use it. 2010-04-09 Steve Ellcey * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable setup_clocks_p. (final_emit_insn_group_barriers): Remove unused variable prev_insn. 2010-04-09 Manuel López-Ibáñez PR 42965 * diagnostic.c (diagnostic_initialize): Initialize some_warnings_are_errors. (diagnostic_finish): New. (diagnostic_action_after_output): Call it before exiting. (diagnostic_report_diagnostic): Do not print message here. Set some_warnings_are_errors. * diagnostic.h (diagnostic_context): Delete issue_warnings_are_errors_message. Add some_warnings_are_errors. (diagnostic_finish): Declare. * toplev.c (toplev_main): Call it before exit. 2010-04-09 Jason Merrill PR c++/42623 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node for incomplete type. PR c++/41788 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED based on a warning flag. 2010-04-09 Richard Guenther * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS. 2010-04-09 Iain Sandoe PR bootstrap/43684 * varasm.c (default_assemble_visibility): Wrap vars that are set, but unused, by targets without GAS. * config/rs6000/rs6000.c (paired_emit_vector_compare): Remove set, but unused, vars. (rs6000_legitimize_tls_address): Likewise. (altivec_expand_dst_builtin): Likewise. * config/darwin.c (machopic_classify_symbol): Likewise. (machopic_indirection_name): Likewise. 2010-04-09 Uros Bizjak * config/i386/i386.md (DWI): New mode iterator. (S): New mode attribute. (shift_operand): Ditto. (shift_immediate_operand): Ditto. (ashl_input_operand): Ditto. (ashl3): Macroize expander from ashl{qi,hi,si,di,ti}3_1 using SDWIM mode iterator. (*ashl3_doubleword): New insn_and_split_pattern. Macroize pattern from *ashl{di,ti}3_1 and corresponding splitters using DWI mode iterator. (*ashl3_doubleword peephole2): Macroize peephole2 pattern from corresponding peephole2 patterns. (x86_shift_adj_1): Macroize expander from x86_shift_adj_1 and x86_64_shift_adj_1 using SWI48 mode iterator. (x86_shift_adj_2): Ditto. (*ashldi3_1_rex64): Split TYPE_LEA pattern. (*ashl3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64 using SWI48 mode iterator. (*ashl3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and *ashldi3_cmp_rex64 using SWI mode iterator. (*ashl3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and *ashldi3_cconly_rex64 using SWI mode iterator. * config/i386/i386.c (ix86_split_ashl): Update for renamed x86_shift_adj_{1,2}. (ix86_split_ashr): Ditto. (ix86_split_lshr): Ditto. 2010-04-09 Richard Guenther * target.h (builtin_conversion): Pass in input and output types. * targhooks.c (default_builtin_vectorized_conversion): Adjust. * targhooks.h (default_builtin_vectorized_conversion): Likewise. * tree-vect-stmts.c (vectorizable_conversion): Adjust. * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust. * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust. Handle AVX modes. * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust. 2010-04-09 Richard Guenther PR target/43152 * config/i386/sse.md (vcond): Handle AVX modes as well. 2010-04-09 Richard Guenther * tree-vectorizer.h (struct _stmt_vec_info): Document that vectype is the type of the LHS. (supportable_widening_operation, supportable_narrowing_operation): Get both input and output vector types as arguments. (vect_is_simple_use_1): Declare. (get_same_sized_vectype): Likewise. * tree-vect-loop.c (vect_determine_vectorization_factor): Set STMT_VINFO_VECTYPE to the vector type of the def. (vectorizable_reduction): Adjust. * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Adjust. Specify the output vector type. (vect_pattern_recog_1): Adjust. * tree-vect-stmts.c (get_same_sized_vectype): New function. (vectorizable_call): Adjust. (vectorizable_conversion): Likewise. (vectorizable_operation): Likewise. (vectorizable_type_demotion): Likewise. (vectorizable_type_promotion): Likewise. (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of the def. (vect_is_simple_use_1): New function. (supportable_widening_operation): Get both input and output vector types. (supportable_narrowing_operation): Likewise. * tree-vect-slp.c (vect_schedule_slp_instance): Adjust. 2010-04-09 Kai Tietz * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add __thiscall and _thiscall as predefined macros. * config/i386/i386.c (ix86_handle_cconv_attribute): Add thiscall attribute handling. (ix86_comp_type_attributes): Likewise. (ix86_function_regparm): Likewise. (ix86_return_pops_args): Likewise. (init_cumulative_args): Likewise. (find_drap_reg): Likewise. (ix86_static_chain): Likewise. (x86_this_parameter): Likewise. (x86_output_mi_thunk): Likewise. (ix86_attribute_table): Add description for thiscall attribute. * config/i386/i386.h (ix86_args): Adjust comment for member fastcall. * doc/extend.texi: Add documentation for thiscall. 2010-04-09 Manuel López-Ibáñez PR c++/28584 * c.opt (Wint-to-pointer-cast): Available in C++. * doc/invoke.texi (Wint-to-pointer-cast): Available in C++. 2010-04-08 Eric Botcazou * tree.h (TREE_ADDRESSABLE): Document its effect for function types. * calls.c (expand_call): Pass the function type to aggregate_value_p. * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the function type instead. Reorder and simplify checks. * gimplify.c (gimplify_modify_expr_rhs) : New case. 2010-04-08 Jing Yu Zdenek Dvorak PR tree-optimization/42720 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time loop unswitch conditions here from ... (tree_unswitch_single_loop): ... here. 2010-04-08 Sebastian Pop * tree-if-conv.c: Fix comments and simplify logic. 2010-04-08 Sebastian Pop * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter. (tree_if_conversion): Same. Update call to if_convertible_loop_p. (main_tree_if_conversion): Update call to tree_if_conversion. 2010-04-08 Manuel López-Ibáñez PR 42485 * doc/invoke.texi (-b,-V): Delete. * doc/tm.texi: Do not mention -b. * gcc.c (display_help): Delete -b and -V. (process_command): Delete -b and -V. * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V. 2010-04-08 Christian Borntraeger Wolfgang Gellerich Implement target hook for loop unrolling * target.h (loop_unroll_adjust): Add a new target hook function. * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise. * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it. * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it. (s390_loop_unroll_adjust): Implement the new target hook for s390. * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll target hook. (decide_unroll_stupid): Likewise. 2010-04-08 Rainer Orth PR target/43643 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx. 2010-04-08 Rainer Orth * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar. (Specific, *-*-solaris2*): Likewise. Don't prefer Sun as over GNU as. 2010-04-08 Wolfgang Gellerich * config/s390/s390.c (override_options): Adjust the z10 defaults for max-unroll-times, max-completely-peeled-insns and max-completely-peel-times. 2010-04-08 Andreas Krebbel * config/s390/s390.c (s390_expand_movmem): Issue prefetch instructions for z10. (s390_expand_setmem): Likewise. (s390_expand_cmpmem): Likewise. 2010-04-08 Richard Guenther PR tree-optimization/43679 * tree-ssa-pre.c (eliminate): Only propagate copies. 2010-04-08 Jakub Jelinek PR bootstrap/43681 * expr.c (block_move_libcall_safe_for_call_parm): Avoid set but not used variable warning. 2010-04-08 Wei Guozhi PR target/41653 * config/arm/arm.c (thumb1_size_rtx_costs): New function. (arm_size_rtx_costs): Call the new function when optimized for size. 2010-04-08 Jakub Jelinek PR debug/43670 * cfgexpand.c (expand_debug_expr): If for non-NULL offset op0 is not a MEM, just return NULL instead of assertion failure. (discover_nonconstant_array_refs): Don't walk debug stmts. 2010-04-08 Doug Kwan * configure.ac: Recognize gold and do not use its version number to test ld features. * configure: Regenerate. 2010-04-08 Maxim Kuvyrkov PR middle-end/40815 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates. (negate_value): Move code to push elements to broken_up_substracts ... (eliminate_plus_minus_pair): ... here. Push operands that have no negative pair to plus_negates. (repropagate_negates, init_reassoc, fini_reassoc): Update. 2010-04-07 Ralf Wildenhues * doc/install.texi (Configuration): Move description of --enable-lto, --with-libelf*, --enable-gold from Java section to general section. * doc/generic.texi (Working with declarations) (Function Properties, C and C++ Trees): Fix typos. * doc/sourcebuild.texi (Top Level): Likewise. 2010-04-07 Jakub Jelinek PR c/18624 * tree.h (DECL_READ_P): Define. (struct tree_decl_common): Add decl_read_flag. * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue a set but not used warning. (merge_decls): Merge DECL_READ_P flag. (finish_decl, build_compound_literal): Set DECL_READ_P flag. (finish_function): Issue -Wunused-but-set-parameter diagnostics. * c-common.c (handle_used_attribute, handle_unused_attribute): Likewise. * c-tree.h (default_function_array_read_conversion, mark_exp_read): New prototypes. * c-typeck.c (default_function_array_read_conversion, mark_exp_read): New functions. (default_conversion, c_process_expr_stmt): Call mark_exp_read. * c-parser.c (c_parser_initializer, c_parser_expr_no_commas, c_parser_binary_expression, c_parser_cast_expression, c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop): Call default_function_array_read_conversion instead of default_function_array_conversion where needed. (c_parser_unary_expression, c_parser_conditional_expression, c_parser_postfix_expression_after_primary, c_parser_initelt): Likewise. Call mark_exp_read where needed. (c_parser_statement_after_labels, c_parser_asm_operands, c_parser_typeof_specifier, c_parser_sizeof_expression, c_parser_alignof_expression, c_parser_initval): Call mark_exp_read where needed. * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter): New. * toplev.c (warn_unused_but_set_variable): Default to warn_unused. (warn_unused_but_set_parameter): Default to warn_unused && extra_warnings. * doc/invoke.texi: Document -Wunused-but-set-variable and -Wunused-but-set-parameter. * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not used count variable. * genemit.c (gen_expand, gen_split): Avoid set but not used warnings when operandN variables aren't used in the body of the expander or splitter. * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings. * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise. * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT, FOR_EACH_IMM_USE_ON_STMT): Likewise. * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise. * tree.c (PROCESS_ARG): Likewise. 2010-04-07 Simon Baldwin * diagnostic.h (diagnostic_override_option_index): New macro to set a diagnostic's option_index. * c-tree.h (c_cpp_error): Add warning reason argument. * opts.c (_warning_as_error_callback): New. (register_warning_as_error_callback): Store callback for warnings enabled via enable_warning_as_error. (enable_warning_as_error): Call callback, minor code tidy. * opts.h (register_warning_as_error_callback): Declare. * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in response to -Werror=. (c_common_init_options): Register warning_as_error_callback in opts.c. * common.opt: Add -Wno-cpp option. * c-common.c (struct reason_option_codes_t): Map cpp warning reason codes to gcc option indexes. * (c_option_controlling_cpp_error): New function, lookup the gcc option index for a cpp warning reason code. * (c_cpp_error): Add warning reason argument, call c_option_controlling_cpp_error for diagnostic_override_option_index. * doc/invoke.texi: Document -Wno-cpp. 2010-04-07 Richard Guenther * ipa-reference.c (mark_load): Use get_base_address. (mark_store): Likewise. * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid inserting GIMPLE_NOPs into the IL. * tree-ssa-structalias.c (get_constraint_for_component_ref): Explicitly strip handled components and indirect references. * fold-const.c (fold_unary_loc): Do not strip qualifiers when folding address expressions. * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address. * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use operand_equal_p to compare decls. (ptr_deref_may_alias_decl_p): Likewise. * tree-ssa-operands.c (get_asm_expr_operands): Simplify * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Handle reversed comparison ops. * tree-sra.c (asm_visit_addr): Use get_base_address. * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address. * ipa-reference.c (mark_address): Use get_base_address. 2010-04-07 Richard Guenther * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate constants everywhere. 2010-04-07 Jakub Jelinek PR debug/43516 * tree.c (MAX_INT_CACHED_PREC): Define. (nonstandard_integer_type_cache): New array. (build_nonstandard_integer_type): Cache results for precision <= MAX_INT_CACHED_PREC. 2010-04-07 Richard Guenther * doc/invoke.texi (-fargument-alias, -fargument-noalias, -fargument-noalias-global, -fargument-noalias-anything): Remove. * common.opt: Likewise. * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment. * alias.c (base_alias_check): Remove flag_argument_noalias handling. (nonoverlapping_memrefs_p): Likewise. * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise. * opts.c (common_handle_option): Handle OPT_fargument_alias, OPT_fargument_noalias, OPT_fargument_noalias_anything and OPT_fargument_noalias_global for backward compatibility. 2010-04-07 Richard Guenther PR tree-optimization/43270 * tree-vrp.c (check_array_ref): Fix flexible array member detection. * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare. * tree-ssa-pre.c (phi_translate_1): Adjust. (fully_constant_expression): Split out vn_reference handling to ... * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here. Fold reads from constant strings. (vn_reference_lookup): Handle fully constant references. (vn_reference_lookup_pieces): Likewise. * Makefile.in (expmed.o-warn): Add -Wno-error. 2010-04-07 Martin Jambor * tree-sra.c (find_param_candidates): Allow scalar va_list types. 2010-04-07 Iain Sandoe PR driver/41594 * gcc.c: Add -static-libstdc++ to list of recognized options. 2010-04-07 Rainer Orth * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic. 2010-04-07 Richard Guenther PR middle-end/42617 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer bases build simple mem attributes to retain points-to information. 2010-04-07 Richard Guenther PR middle-end/42617 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE preserve points-to related information. 2010-04-07 Richard Guenther PR middle-end/42617 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not discard plain indirect references. * fold-const.c (operand_equal_p): Guard against NULL_TREE type. * tree.c (tree_nop_conversion): Likewise. 2010-04-07 Dodji Seketeli PR debug/43628 * dwarf2out.c (modified_type_die): Ignore artificial typedefs. 2010-04-06 Kai Tietz * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore calling convention attributes on METHOD_TYPEs for w64 ABI, too. 2010-04-07 Sebastian Pop * tree-if-conv.c: Fix indentation and comments. 2010-04-07 Sebastian Pop * tree-if-conv.c: Sort static functions in topological order. 2010-04-07 Sebastian Pop * tree-if-conv.c: Fix indentation and comments. 2010-04-06 Sebastian Pop PR middle-end/43519 * graphite-clast-to-gimple.c (max_signed_precision_type): Use lang_hooks.types.type_for_size instead of build_nonstandard_integer_type. When converting an unsigned type to signed, double its precision. (gcc_type_for_interval): Use lang_hooks.types.type_for_size. (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type. (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub. 2010-04-06 Sebastian Pop PR middle-end/43519 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use POINTER_PLUS_EXPR for pointer types. 2010-04-06 Sebastian Pop PR middle-end/43519 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h. * graphite-clast-to-gimple.c: Include langhooks.h. (max_signed_precision_type): New. (max_precision_type): Takes two types as arguments. (precision_for_value): New. (precision_for_interval): New. (gcc_type_for_interval): New. (gcc_type_for_value): New. (gcc_type_for_clast_term): New. (gcc_type_for_clast_red): New. (gcc_type_for_clast_bin): New. (gcc_type_for_clast_expr): Split up into several functions. (gcc_type_for_clast_eq): Rewritten. (compute_bounds_for_level): New. (compute_type_for_level_1): New. (compute_type_for_level): New. (gcc_type_for_cloog_iv): Removed. (gcc_type_for_iv_of_clast_loop): Rewritten. (graphite_create_new_loop): Compute the lower and upper bound types with gcc_type_for_clast_expr. (graphite_create_new_loop_guard): Same. (find_cloog_iv_in_expr): Removed. (compute_cloog_iv_types_1): Removed. (compute_cloog_iv_types): Removed. (gloog): Do not call compute_cloog_iv_types. * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize GBB_CLOOG_IV_TYPES. (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES. * sese.h (struct gimple_bb): Removed field cloog_iv_types. (GBB_CLOOG_IV_TYPES): Removed. 2010-04-06 Sebastian Pop * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that gimple_phi_num_args of the loop close SSA phi node is equal to 1. (detect_commutative_reduction): Same. 2010-04-06 Sebastian Pop * graphite-clast-to-gimple.c (graphite_verify): Remove redundant call to verify_ssa. Invoke verify_loop_closed_ssa with an extra argument. * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same. * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same. (rewrite_commutative_reductions_out_of_ssa): Same. * passes.c (execute_function_todo): Call verify_ssa for every pass in the LNO. Invoke verify_loop_closed_ssa with an extra argument. * tree-flow.h (verify_loop_closed_ssa): Update declaration. * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa with an extra argument. * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call verify_ssa only when the extra argument is true. (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa with an extra argument. (tree_transform_and_unroll_loop): Same. 2010-04-06 Sebastian Pop * passes.c (execute_function_todo): Call verify_loop_closed_ssa for all the passes of the LNO having LOOP_CLOSED_SSA. * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops. * tree-loop-distribution.c (pass_loop_distribution): Same. * tree-pass.h (TODO_verify_loops): Removed. * tree-ssa-loop.c (pass_tree_loop_init): Same. (pass_lim): Same. (pass_tree_unswitch): Same. (pass_predcom): Same. (pass_vectorize): Same. (pass_linear_transform): Same. (pass_graphite_transforms): Same. (pass_iv_canon): Same. (pass_complete_unroll): Same. (pass_complete_unrolli): Same. (pass_parallelize_loops): Same. (pass_loop_prefetch): Same. (pass_iv_optimize): Same. 2010-04-06 Changpeng Fang PR middle-end/32824 * passes.c (init_optimization_passes): Move pass_lim before pass_copy_prop and pass_dce_loop. 2010-04-06 Jakub Jelinek PR target/43667 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*. (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of MULTI_* defines for 4 argument vpermil2p* builtins. 2010-04-06 Uros Bizjak * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare. * config/i386/i386.c (x86_maybe_negate_const_int): New. (x86_output_mi_thunk): Use x86_maybe_negate_const_int. * config/i386/i386.md (*add_1, *addsi_1_zext, *addhi_1, *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add_2, *addsi_2_zext, *addhi_2, *addqi_2, *add_3, *addsi_3_zext, *addhi_3, *addqi_3,*add_5, *addhi_5, *addqi_5): Use x86_maybe_negate_const_int to output insn mnemonic. (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow check from instruction predicate. Update comments. * config/i386/sync.md (sync_add): Use x86_maybe_negate_const_int to output insn mnemonic. 2010-04-06 Jan Hubicka PR tree-optimization/42906 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add IGNORE_SELF argument. Set visited_control_parents for fully processed BBs. (find_obviously_necessary_stmts): Update call of mark_control_dependent_edges_necessary. (propagate_necessity): Likewise. Handle PHI edges more curefully. 2010-04-06 Uros Bizjak * config/i386/i386.md: Remove comment about 'e' and 'E' operand modifier. 2010-04-06 Richard Guenther PR tree-optimization/43627 * tree-vrp.c (extract_range_from_unary_expr): Widenings of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type, not varying. 2010-04-06 Jakub Jelinek * BASE-VER: Change to 4.6.0. PR target/43638 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code handling. 2010-04-06 Richard Guenther PR middle-end/43661 * fold-const.c (fold_comparison): Handle X * 0 CMP 0. 2010-04-05 Ralf Wildenhues * doc/invoke.texi (Optimize Options): Document that LTO won't remove object access purely due to incompatible declarations. 2010-04-04 Matthias Klose * graphite-sese-to-poly.c (translate_scalar_reduction_to_array): Initialize variable. 2010-04-03 Richard Guenther PR middle-end/42509 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses require a non-NULL MEM_OFFSET. 2010-04-02 Steven Bosscher * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c, basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h, collect2.h, config/alpha/alpha.c, config/alpha/alpha.md, config/alpha/predicates.md, config/arm/arm.md, config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml, config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c, config/darwin9.h, config/darwin.c, config/darwin.h, config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h, config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c, config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c, config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c, config/mips/mips.md, config/mn10300/mn10300.c, config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md, config/rs6000/aix.h, config/rs6000/dfp.md, config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c, config/rs6000/vector.md, config/rtems.h, config/rx/rx.md, config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h, config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md, config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c, config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in, c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c, diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi, doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi, doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c, fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h, gensupport.c, gimple.h, gimple-iterator.c, graphite.c, graphite-clast-to-gimple.c, graphite-clast-to-gimple.h, graphite-dependences.c, graphite-poly.c, graphite-poly.h, graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c, graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c, intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h, ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c, ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c, loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c, objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk, opt-functions.awk, opth-gen.awk, params.def, passes.c, postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h, rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h, store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c, tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h, tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c, tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c, tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c, tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c, tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c, unwind-dw2-fde-darwin.c, varpool.c: Update copyright years. 2010-04-02 Ralf Wildenhues PR other/43620 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1. * aclocal.m4: Regenerate. 2010-04-02 Richard Guenther PR tree-optimization/43629 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands if we have seen a constant value. 2010-04-02 Joseph Myers * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'. 2010-04-02 Richard Earnshaw PR target/43469 * arm.c (legitimize_tls_address): Adjust call to gen_tls_load_dot_plus_four. (arm_note_pic_base): New function. (arm_cannot_copy_insn_p): Use it. * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in constraint. 2010-04-02 Ralf Wildenhues PR bootstrap/43531 Revert: 2009-09-28 Ralf Wildenhues * Makefile.in ($(out_object_file)): Depend on gt-$(basename $(notdir $(out_file))).h. 2010-04-01 Ralf Corsépius * config.gcc (lm32-*-rtems*): Add t-lm32. 2010-04-01 Joel Sherrill * config.gcc: Add lm32-*-rtems*. * config/lm32/rtems.h: New file. 2010-04-01 Dave Korn PR target/42609 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin. 2010-04-01 Jakub Jelinek * dwarf2out.c (output_compilation_unit_header): For -gdwarf-4 use version 4 instead of version 3. (output_line_info): For version 4 and above emit additional maximum ops per insn header field. (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define. * dwarf2out.c (is_c_family, is_java): Remove. (lower_bound_default): New function. (add_bound_info, gen_descr_array_type_die): Use it. 2010-04-01 Dodji Seketeli PR debug/43325 * dwarf2out.c (gen_variable_die): Allow debug info for variable re-declaration when it happens in a function. 2010-04-01 Aldy Hernandez * cgraph.c (cgraph_add_function_insertion_hook): Update comment. (cgraph_remove_function_insertion_hook): Same. (cgraph_call_function_insertion_hooks): Same. 2010-04-01 Richard Guenther PR middle-end/43614 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE. (copy_ref_info): Likewise. * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE. * tree.c (build6_stat): Ignore side-effects of all but arg5 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of TARGET_MEM_REF. 2010-04-01 Richard Guenther PR tree-optimization/43607 * ipa-type-escape.c (check_call): Do not access non-existing arguments. 2010-04-01 Richard Guenther PR middle-end/43602 Revert 2010-03-30 Seongbae Park Jack Howarth * tree-profile.c (tree_init_ic_make_global_vars): Make static variables TLS. 2010-04-01 Rainer Orth * doc/install.texi (Prerequisites): Document libelf usability on IRIX 5/6 and Solaris 2. (Specific, i?86-*-solaris2.10): No 64-bit default configuration. Update GNU as, GNU ld requirements. (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal. Document Sun Studio compiler download. Update and simplify as, ld recommendations. (Specific, *-*-solaris2.7): Note obsoletion, removal. 2010-04-01 Rainer Orth * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32, with_tune_32 to pentium4. 2010-04-01 Uros Bizjak * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment. 2010-04-01 Rainer Orth * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5 obsoletion, removal. Update IDO URL. Document GNU as requirement. Update configure requirements. (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal. Recomment IRIX 6.5.18+. Document IDF/IDL requirement. Document GNU as requirement. Document GNU ld bootstrap failure. Remove freeware.sgi.com reference. 2010-04-01 Rainer Orth * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64 UNIX V4.0, V5.0 obsoletion, removal. Remove --with-gc=simple reference. Update VM requirements during bootstrap. Remove -oldas bootstrap description. Update binutils reference. Remove comparison failure note. 2010-03-31 Richard Guenther Zdenek Dvorak Sebastian Pop PR middle-end/43464 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes with multiple arguments. (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa. 2010-03-31 Sebastian Pop * graphite-dependences.c (print_pddr): Call print_pdr with an extra argument. * graphite-poly.c (debug_pdr): Add an extra argument for the verbosity level. (print_pdr): Same. (print_pbb_domain): Same. (print_pbb): Same. (print_scop_context): Same. (print_scop): Same. (print_cloog): Same. (debug_pbb_domain): Same. (debug_pbb): Same. (print_pdrs): Same. (debug_pdrs): Same. (debug_scop_context): Same. (debug_scop): Same. (debug_cloog): Same. (print_scop_params): Same. (debug_scop_params): Same. (print_iteration_domain): Same. (print_iteration_domains): Same. (debug_iteration_domain): Same. (debug_iteration_domains): Same. (print_scattering_function): Same. (print_scattering_functions): Same. (debug_scattering_function): Same. (debug_scattering_functions): Same. * graphite-poly.h (debug_pdr): Update declaration. (print_pdr): Same. (print_pbb_domain): Same. (print_pbb): Same. (print_scop_context): Same. (print_scop): Same. (print_cloog): Same. (debug_pbb_domain): Same. (debug_pbb): Same. (print_pdrs): Same. (debug_pdrs): Same. (debug_scop_context): Same. (debug_scop): Same. (debug_cloog): Same. (print_scop_params): Same. (debug_scop_params): Same. (print_iteration_domain): Same. (print_iteration_domains): Same. (debug_iteration_domain): Same. (debug_iteration_domains): Same. (print_scattering_function): Same. (print_scattering_functions): Same. (debug_scattering_function): Same. (debug_scattering_functions): Same. 2010-03-31 Sebastian Pop * graphite-poly.c (print_scattering_function_1): New. (print_scattering_function): Call it. (print_scop_params): Remove spaces at the end of lines. (print_cloog): New. (debug_cloog): New. * graphite-poly.h (print_cloog): Declared. (debug_cloog): Declared. 2010-03-31 Sebastian Pop * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump in loop->header. * tree-flow.h (canonicalize_loop_ivs): Updated declaration. * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch. * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter to switch between adding the IV bump in loop->latch or in loop->header. 2010-03-31 Sebastian Pop * graphite-poly.c (print_scattering_function): Pretty print following the scoplib format. (print_pdr): Same. (print_pbb_domain): Same. (dump_gbb_cases): Same. (dump_gbb_conditions): Same. (print_pdrs): Same. (print_pbb): Same. (print_scop_params): Same. (print_scop_context): Same. (print_scop): Same. (print_pbb_body): New. (lst_indent_to): New. (print_lst): Start new lines with a #. * graphite-poly.h (pbb_bb): New. (pbb_index): Use pbb_bb. * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of disjuncts. * tree-data-ref.c (dump_data_reference): Start new lines with a #. 2010-03-31 Jakub Jelinek * dwarf2out.c (size_of_die): For -gdwarf-4 use uleb128 size instead of fixed 1 or 2 for dw_val_class_loc and 0 instead of 1 for dw_val_class_flag. (value_format): For -gdwarf-4 use DW_FORM_sec_offset for dw_val_class_range_list, dw_val_class_loc_list, dw_val_class_lineptr and dw_val_class_macptr, use DW_FORM_flag_present for dw_val_class_flag and DW_FORM_exprloc for dw_val_class_loc. (output_die): For -gdwarf-4 print dw_val_class_loc size as uleb128 instead of 1 or 2 bytes and don't print anything for dw_val_class_flag. * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn instead of cselib_lookup following by tweaking locs->setting_insn. PR bootstrap/43596 * cselib.c (cselib_process_insn): Clear cselib_current_insn even before returning from label, setjmp call or volatile asm handling. 2010-03-31 Richard Guenther PR middle-end/43600 * cgraphunit.c (cgraph_output_in_order): Do not allocate temporary data on stack. 2010-03-31 Rainer Orth * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef. (PUSHSECTION_ASM_OP): Remove. (POPSECTION_ASM_OP): Remove. (PUSHSECTION_FORMAT): Remove. * config/sol2.h (PUSHSECTION_FORMAT): Define. * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine. * config/sol2.c (solaris_output_init_fini): Use it. 2010-03-31 Jie Zhang PR 43574 * opt-functions.awk (var_type_struct): Use signed char type for simple variables. 2010-03-31 Rainer Orth * config/sol2.c: Include output.h. (solaris_assemble_visibility): New function. * config/t-sol2 (sol2.o): Add output.h dependency. * config/sol2-protos.h (solaris_assemble_visibility): Declare. * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY): Redefine. 2010-03-31 Jakub Jelinek PR target/43580 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of V2SImode or XFmode on PRE_DEC. PR debug/43557 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like BLKmode. 2010-03-31 Jie Zhang PR 43562 * reload.h (caller_save_initialized_p): Declare. * toplev.c (backend_init_target): Don't call init_caller_save but set caller_save_initialized_p to false. * caller-save.c (caller_save_initialized_p): Define. (init_caller_save): Check caller_save_initialized_p. * ira.c (ira): Call init_caller_save if flag_caller_saves. 2010-03-31 Rainer Orth PR target/39048 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file. * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine. (LIBGCC2_TF_CEXT): Define. (TF_SIZE): Define. 2010-03-30 Alexandre Oliva PR debug/42977 * cselib.c (n_useless_values): Document handling of debug locs. (n_useless_debug_values, n_debug_values): New variables. (new_elt_loc_list): Don't add to debug values, keep count. (promote_debug_loc): New. (cselib_reset_table): Zero new variables. (entry_and_rtx_equal_p): Promote debug locs. (discard_useless_locs): Increment n_useless_debug_values for debug values. (remove_useless_values): Adjust n_useless_values and n_debug_values with n_useless_debug_values. (add_mem_for_addr): Promote debug locs. (cselib_lookup_mem): Likewise. (cselib_lookup_addr): Renamed to... (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call... (cselib_log_lookup): ... this. Turn into... (cselib_lookup_addr): ... new wrapper. (cselib_lookup_from_insn): New. (cselib_invalidate_regno): Increment n_useless_debug_values for debug values. (cselib_invalidate_mem): Likewise. (cselib_process_insn): Take n_deleted and n_debug_values into account to guard remove_useless_value call. (cselib_finish): Zero n_useless_debug_values. * cselib.h (cselib_lookup_from_insn): Declare. * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn. (sched_analyze_2): Likewise. 2010-03-30 Jakub Jelinek * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New functions. (adjust_mems): Replace narrowing SUBREG of expression containing just PLUS, MINUS, MULT and ASHIFT of registers and constants with operations in the narrower mode. PR debug/43593 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just regs_invalidated_by_call instead all call_used_reg_set registers. 2010-03-30 Sebastian Pop PR middle-end/43430 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type pointer comparisons with types_compatible_p. * tree-vect-stmts.c (vectorizable_call): Same. (vectorizable_condition): Same. 2010-03-30 Andreas Krebbel * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic stack check if the mask would be zero. 2010-03-30 Seongbae Park Jack Howarth * tree-profile.c (tree_init_ic_make_global_vars): Make static variables TLS. 2010-03-30 Joseph Myers PR other/25232 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2 and __unordtf2. * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version. Include ___unordxf2 and ___unordtf2. * config/i386/libgcc-glibc.ver: Do not define inheritance from GCC_4.4.0 here. 2010-03-30 Tarik Graba * config/lm32/t-lm32: New file. * config.gcc: Use the above file when targetting lm32. 2010-03-28 Duncan Sands * Makefile.in (PLUGIN_HEADERS): Add except.h. 2010-03-29 Sebastian Pop PR middle-end/43431 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Improve vectorization cost model diagnostic. 2010-03-29 Sebastian Pop PR middle-end/43436 * tree-vect-data-refs.c (vect_analyze_data_refs): When compute_data_dependences_for_loop returns false, early exit and output an extra diagnostic for the failed data reference analysis. 2010-03-29 Richard Guenther PR tree-optimization/43560 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter. (can_sm_ref_p): Treat stores to readonly locations as trapping. 2010-03-29 Jie Zhang PR 43564 * toplev.c (process_options): Set optimization_default_node and optimization_current_node. * opts.c (decode_options): Don't set optimization_default_node and optimization_current_node. 2010-03-29 Ralf Corsépius * config/rtems.h: Abandon -qrtems_debug. 2010-03-28 Jan Hubicka PR tree-optimization/43505 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement map should not be copied. 2010-03-27 John David Anglin PR middle-end/41674 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have cdtors, set DECL_PRESERVE_P. * ipa.c (cgraph_externally_visible_p): Return true if declaration should be preseved. 2010-03-27 Uros Bizjak PR tree-optimization/43528 * stor-layout.c (place_field): Check that constant fits into unsigned HWI when skipping calculation of MS bitfield layout. 2010-03-27 Jan Hubicka PR middle-end/43391 * varasm.c (make_decl_rtl): Deal with COMMON flag to make notice_global_symbol work. 2010-03-27 Jakub Jelinek * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl instead of dwarf2out_decl. (struct var_loc_node): Remove section_label field. (dwarf2out_function_decl): New function. (dwarf2out_var_location): Don't set section_label field. (dwarf2out_begin_function): Don't empty decl_loc_table here. 2010-03-26 Michael Meissner PR tree-optimization/43544 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): First argument for builtin vectorized function hook is now a tree to be able to distinguish between machine specific and standard builtins. * targhooks.c (default_builtin_vectorized_function): Ditto. * targhooks.h (default_builtin_vectorized_function): Ditto. * target.h (struct gcc_target): Ditto. * tree-vect-stmts.c (vectorizable_function): Ditto. * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto. * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function): Ditto. 2010-03-26 Joseph Myers PR c/43381 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a nested binding iff it is a FUNCTION_DECL. (store_parm_decls_newstyle): Pass nested=true to bind for FUNCTION_DECLs amongst parameters. 2010-03-26 Jakub Jelinek * var-tracking.c (vt_expand_loc_callback): Don't run cselib_expand_value_rtx_cb in dummy mode if cselib_dummy_expand_value_rtx_cb returned false. * var-tracking.c (emit_note_insn_var_location): For one part notes with offset 0, don't add EXPR_LIST around the location. * dwarf2out.c (loc_descriptor, dw_loc_list_1, add_location_or_const_value_attribute): Adjust for that change. PR debug/43540 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum into first operand and location into second. (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of dw_cfi_oprnd_loc for DW_CFA_expression. (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression. (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression assume first argument is regnum and second argument is location. 2010-03-26 Uros Bizjak PR target/42113 * config/alpha/alpha.md (*cmp_sadd_si): Change mode of scratch register to DImode. Split to DImode comparison operator. Use SImode subreg of scratch register in the multiplication. (*cmp_sadd_sidi): Ditto. (*cmp_ssub_si): Ditto. (*cmp_ssub_sidi): Ditto. 2010-03-26 Uros Bizjak PR target/43524 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]: Remove invalid assert and wrong comment. 2010-03-26 Jakub Jelinek PR debug/43516 * flags.h (final_insns_dump_p): New extern. * final.c (final_insns_dump_p): New variable. (rest_of_clean_state): Set it before -fdump-final-insns= dumping, clear afterwards. * print-rtl.c (print_rtx): If final_insns_dump_p don't dump MEM_ALIAS_SET on MEMs. 2010-03-26 David S. Miller * configure.ac: Fix sparc GOTDATA_OP bug check. * configure: Rebuild. 2010-03-26 Alan Modra * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison. 2010-03-25 Rainer Orth * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP, TLS_SECTION_ASM_FLAG. 2010-03-25 Jakub Jelinek PR bootstrap/43511 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO. Clear first_function_block_is_cold. PR c/43385 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect argument if the argument is truth_value_p. 2010-03-24 Michael Meissner * config/rs6000/constraints.md: Update copyright year for my changes. PR target/43484 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is used in reg+reg addressing, swap registers. 2010-03-24 Jakub Jelinek PR debug/43293 * target.h (struct gcc_target): Add code_end hook. * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void if not yet defined. (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END. * toplev.c (compile_file): Call targetm.asm_out.code_end hook before unwind info/debug info output. * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end. * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define. (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack. * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define. (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack. * config/i386/i386.c (ix86_file_end): Renamed to... (ix86_code_end): ... this. Make static. Don't call file_end_indicate_exec_stack. Emit unwind info using final_start_function/final_end_function. (darwin_x86_file_end): Remove. (TARGET_ASM_CODE_END): Define. * config/i386/i386.h (TARGET_ASM_FILE_END, NEED_INDICATE_EXEC_STACK): Don't define. * config/i386/darwin.h (darwin_x86_file_end): Remove prototype. (TARGET_ASM_FILE_END): Define to darwin_file_end. * config/i386/i386-protos.h (ix86_file_end): Remove prototype. * doc/tm.texi (TARGET_ASM_CODE_END): Document. PR target/43498 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function at the beginning and final_end_function at the end. * config/s390/s390.c (s390_output_mi_thunk): Likewise. 2010-03-24 Rainer Orth * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support and Sun as TLS syntax. (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define. * configure: Regenerate. * config.in: Regenerate. * varasm.c (TLS_SECTION_ASM_FLAG): Define default. (default_elf_asm_named_section): Use it. * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF. (i386_output_dwarf_dtprel): Likewise. (output_addr_const_extra): Likewise. (output_pic_addr_const): Lowercase @GOTTPOFF. (output_addr_const_extra): Likewise. (output_pic_addr_const): Lowercase @GOTNTPOFF. (output_addr_const_extra): Likewise. (output_pic_addr_const): Lowercase @INDNTPOFF. (output_addr_const_extra): Likewise. (output_pic_addr_const): Lowercase @NTPOFF. (output_addr_const_extra): Likewise. (output_pic_addr_const): Lowercase @TPOFF. (output_addr_const_extra): Likewise. * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD. (*tls_global_dynamic_64): Likewise. (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM. (*tls_local_dynamic_base_64): Lowercase @TLSLD. * defaults.h (TLS_COMMON_ASM_OP): Provide default. (ASM_OUTPUT_TLS_COMMON): Use it. * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef. PR target/38118 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file. * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ... * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here. * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine. * config/i386/sol2.h (TARGET_SUN_TLS): Redefine. (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine. 2010-03-24 Rainer Orth * config/i386/i386.c (override_options): Don't accept -mtls-dialect=sun any longer. * config/i386/i386.h (TARGET_SUN_TLS): Define as 0. * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove. (*tls_local_dynamic_base_32_sun): Likewise. * config/i386/sol2.h (TARGET_SUN_TLS): Redefine. 2010-03-24 Jakub Jelinek PR debug/43508 * dwarf2out.c (mem_loc_descriptor): Don't ICE on VEC_{MERGE,SELECT,CONCAT,DUPLICATE}. PR debug/43479 * ira.c (adjust_cleared_regs): New function. (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs. PR debug/19192 PR debug/43479 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK from gimple_block. * expr.c (expand_expr_real): Restore previous curr_insn_source_location and curr_insn_block after expand_expr_real_1 call. (expand_expr_real_1) : Call expand_expr_real instead of expand_expr_real_1. 2010-03-23 Vladimir Makarov PR rtl-optimization/43413 * ira-color.c (setup_allocno_available_regs_num): Count prohibited hard regs too. 2010-03-22 James E. Wilson PR target/43348 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp, call_value_gp, sibcall_gp): Use 's' constraint not 'i'. 2010-03-22 H.J. Lu * config/i386/i386.c (ix86_target_string): Add -mfma. Fix a typo in comment. 2010-03-22 Mike Stump PR target/23071 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align): Don't overly align based upon packed packed fields. 2010-03-22 Jason Merrill * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]: Use () rather than [], and move before the element type. 2010-03-22 Rainer Orth * doc/configfiles.texi (Configuration Files): Removed fixinc/Makefile*, intl/Makefile.*. * doc/makefile.texi: Fixed markup. Abstract from version control system used. (Makefile): Removed obsolete gcc/java/parse.y example. * doc/sourcebuild.texi: Likewise. (Top Level): Added config, gnattools, libdecnumber, libgcc, libgomp, libssp. Removed fastjar. (Miscellaneous Docs): Clarify location. Added COPYING3, COPYING3.LIB. (Front End Directory): Moved Make-lang.in entry to new subsubsection. 2010-03-22 Rainer Orth PR target/38085 * config/i386/i386.c (x86_function_profiler) [!NO_PROFILE_COUNTERS]: Fix typo. * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call instead of callq. 2010-03-22 Janis Johnson Rainer Orth * doc/sourcebuild.texi (Test Directives): Split into six subsections, with most of the current text in new subsections Directives, Selectors, and Final Actions. (Directives): Split list of test directives into multiple subsubsections. (Selectors): Describe use and syntax of selectors. (Effective-Target Keywords): Describe all existing keywords. (Add Options): Describe features for dg-add-options. (Require Support): Describe variants of dg-require-support. (Final Actions): Describe commands to use in dg-final. 2010-03-22 Michael Matz PR middle-end/43475 * recog.c (validate_replace_rtx_group): Replace also in REG_EQUAL and REG_EQUIV notes. 2010-03-22 Richard Guenther PR tree-optimization/43390 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make sure vector extracts are type correct. 2010-03-22 Richard Guenther PR middle-end/40106 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as x * sqrt (x) even when optimizing for size if the target has native support for sqrt. 2010-03-22 Jakub Jelinek * varasm.c (make_decl_rtl_for_debug): Also clear flag_mudflap for the duration of make_decl_rtl call. PR debug/43443 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS locs from preserved VALUEs. 2010-03-21 John David Anglin PR middle-end/42718 * pa.md (movmemsi): Set align to one if zero. (movmemdi): Likewise. 2010-03-21 Richard Earnshaw PR target/42321 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions with their corresponding prologue pushes. 2010-03-20 Andrew Pinski PR target/43156 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED at the begining or end. (spu_expand_epilogue): Likewise. 2010-03-20 Richard Guenther PR rtl-optimization/43438 * combine.c (make_extraction): Properly zero-/sign-extend an extraction of the low part of a CONST_INT. Also handle CONST_DOUBLE. 2010-03-19 Mike Stump * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add. * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add. (override_options): Use SUBTARGET32_DEFAULT_CPU. 2010-03-19 Andrew Pinski PR c/43211 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was an error. 2010-03-19 Bernd Schmidt PR rtl-optimization/42258 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a use that may match DEF. PR target/40697 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out the cost of loading the constant rather than assuming COSTS_N_INSNS (1). * config/arm/arm.c (thumb1_rtx_costs) : If the outer code is AND, do the same tests as the andsi3 expander and return COSTS_N_INSNS (1) if and is cheap. * optabs.c (avoid_expensive_constant): Fix formatting. 2010-03-19 Michael Matz PR c++/43116 * attribs.c (decl_attributes): When rebuilding a function pointer type use the same qualifiers as the original pointer type. 2010-03-19 Martin Jambor * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant and is_gimple_ip_invariant_address. 2010-03-19 Ramana Radhakrishnan Revert 2009-10-01 Ramana Radhakrishnan * config/arm/arm.c (arm_override_options): Turn off flag_dwarf2_cfi_asm for AAPCS variants. 2010-03-19 Ramana Radhakrishnan PR target/43399 * config/arm/arm.c (emit_multi_reg_push): Update comments. Use PRE_MODIFY instead of PRE_DEC. (emit_sfm): Use PRE_MODIFY instead of PRE_DEC. (vfp_emit_fstmd): Likewise. 2010-03-19 Michael Matz PR target/43305 * builtins.c (expand_builtin_interclass_mathfn, expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls if that fails. 2010-03-19 Richard Guenther PR tree-optimization/43415 * tree-ssa-pre.c (phi_translate): Split out worker to ... (phi_translate_1): ... this. (phi_translate): Move all caching here. Cache all NARY and REFERENCE translations. 2010-03-19 David S. Miller With help from Eric Botcazou. * config/sparc/sparc.c: Include dwarf2out.h. (emit_pic_helper): Delete. (pic_helper_symbol_name): Delete. (pic_helper_emitted_p): Delete. (pic_helper_needed): New. (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'. (get_pc_thunk_name): New. (load_pic_register): Remove 'delay_pic_helper' arg. Use get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol. Set pic_helper_needed to true. Don't call emit_pic_helper. (sparc_expand_prologue): Update load_pic_register call. (sparc_output_mi_thunk): Likewise. (sparc_file_end): Emit a hidden comdat symbol for the PIC thunk if possible. Output CFI information as needed. 2010-03-18 Francois-Xavier Coudert Jack Howarth PR target/36399 * config/i386/i386.h: Fix ABI on darwin x86-32. 2010-03-18 Aldy Hernandez * tree.h: Declare make_decl_rtl_for_debug. * varasm.c (make_decl_rtl_for_debug): New. * dwarf2out.c (rtl_for_decl_location): Call it. * cfgexpand.c (expand_debug_expr): Call it. 2010-03-18 Jakub Jelinek PR bootstrap/43399 * var-tracking.c (adjust_mems) : Allow BLKmode mem_mode. PR bootstrap/43403 * var-tracking.c (vt_init_cfa_base): Do nothing if cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register. 2010-03-18 Alexandre Oliva PR debug/42873 * var-tracking.c (canonicalize_vars_star): New. (dataflow_post_merge_adjust): Use it. 2010-03-18 Jakub Jelinek PR debug/43058 * var-tracking.c (non_suitable_const): New function. (add_uses): For DEBUG_INSNs with constants, don't record any value, instead just the constant value itself. (compute_bb_dataflow) : If PAT_VAR_LOCATION_LOC is not VAR_LOC_UNKNOWN_P, set var to the constant. (emit_notes_in_bb): Likewise. (emit_note_insn_var_location): For onepart variables if cur_loc is a VOIDmode constant, use DECL_MODE. 2010-03-18 Martin Jambor PR middle-end/42450 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare. * cgraphunit.c (cgraph_materialize_all_clones): Update calls in all non-clones. Moved call redirection... (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function. (cgraph_materialize_all_clones): Dispose of all combined_args_to_skip bitmaps. (verify_cgraph_node): Do not check for edges pointing to wrong nodes in inline clones. * tree-inline.c (copy_bb): Call cgraph_redirect_edge_call_stmt_to_callee. * ipa.c (cgraph_remove_unreachable_nodes): Call cgraph_node_remove_callees even when there are used clones. 2010-03-18 H.J. Lu * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0. 2010-03-18 H.J. Lu PR target/43383 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0 for 32bit. 2010-03-18 Michael Matz PR middle-end/43419 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5) into sqrt(x) if we need to preserve signed zeros. 2010-03-18 Steven Bosscher Eric Botcazou PR rtl-optimization/43360 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL note if we don't know its invariant status. 2010-03-18 Michael Matz PR tree-optimization/43402 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow PHI chains of ssa names registered for update. 2010-03-17 Peter Bergner PR target/42427 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for non-offsettable and pre_modify update addressing. * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1" and "2" alternatives "#". (*movdd_softfloat32): Make all alternatives "#"; * config/rs6000/rs6000.md (DIFD): New define_mode_iterator. (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#". (*movdf_softfloat32): Make all alternatives "#"; (movdi): Use the new DIFD mode iterator to create a common splitter for movdi, movdf and movdd patterns. 2010-03-18 Shujing Zhao * common.opt (dumpdir): Remove redundant tab. 2010-03-17 Martin Jambor PR tree-optimization/43347 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the original base is DECL_ARTIFICIAL or DECL_IGNORED_P. 2010-03-17 Bernd Schmidt PR rtl-optimization/42216 * regrename.c (create_new_chain): New function, broken out from... (scan_rtx_reg): ... here. Call it. Handle the case where we are appending a use to an empty chain. (build_def_use): Remove previous changes that convert OP_INOUT to OP_OUT operands; instead detect the case where an OP_INOUT operand uses a previously untracked register and create an empty chain for it. 2010-03-17 Ralf Wildenhues * doc/extend.texi (Function Attributes): Rewrite unfinished sentence in ms_abi documentation. 2010-03-17 Alan Modra * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var. * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define. (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL. * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define. 2010-03-16 Richard Henderson PR middle-end/43365 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq. (lower_try_finally): Save and restore eh_seq around the expansion of the try-finally. 2010-03-16 Aldy Hernandez * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug statements before splitting block. 2010-03-16 Rainer Orth * doc/sourcebuild.texi (Testsuites): Fix markup. Use pathnames relative to gcc/testsuite. (Test Directives): Move description of how timeout is determined. (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc. (C Tests): Correct gcc.misc-tests directory. Framework tests now live in gcc.test-framework. 2010-03-16 Richard Guenther PR middle-end/43379 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly. 2010-03-16 Aldy Hernandez Alexandre Oliva PR tree-optimization/42917 * lambda-code.c (remove_iv): Skip debug statements. (lambda_loopnest_to_gcc_loopnest): Likewise. (not_interesting_stmt): Debug statements are not interesting. 2010-03-16 Jakub Jelinek PR debug/43051 PR debug/43092 * cselib.c (cselib_preserve_constants, cfa_base_preserved_val): New static variables. (preserve_only_constants): New function. (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't clear its REG_VALUES. If cselib_preserve_constants, don't empty the whole hash table, but preserve there VALUEs with constants, cfa_base_preserved_val and cfa_base_preserved_val plus constant. (cselib_preserve_cfa_base_value): New function. (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val. (cselib_init): Change argument to int bitfield. Set cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS is in it. (cselib_finish): Clear cselib_preserve_constants and cfa_base_preserved_val. * cselib.h (enum cselib_record_what): New enum. (cselib_init): Change argument to int. (cselib_preserve_cfa_base_value): New prototype. * postreload.c (reload_cse_regs_1): Adjust cselib_init caller. * dse.c (dse_step1): Likewise. * cfgcleanup.c (thread_jump): Likewise. * sched-deps.c (sched_analyze): Likewise. * gcse.c (local_cprop_pass): Likewise. * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback. If FN is non-NULL, call the callback always and whenever it returns non-NULL just return that. Only do rtx_equal_p if FN is NULL. * rtl.h (simplify_replace_fn_rtx): Add argument to callback. * combine.c (propagate_for_debug_subst): Add old_rtx argument, compare from with old_rtx and if it isn't rtx_equal_p, return NULL. * Makefile.in (var-tracking.o): Depend on $(RECOG_H). * var-tracking.c: Include recog.h. (bb_stack_adjust_offset): Remove. (vt_stack_adjustments): Don't call it, instead just gather the adjustments using insn_stack_adjust_offset_pre_post on each bb insn. (adjust_stack_reference): Remove. (compute_cfa_pointer): New function. (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables. (struct adjust_mem_data): New type. (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New functions. (get_address_mode): New function. (replace_expr_with_values): Use it. (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P. Use get_address_mode. For cfa_base_rtx return MO_CLOBBER. (adjust_sets): Remove. (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode. (get_adjusted_src): Remove. (add_stores): Don't call it. Never reuse expr SET. Don't add extra MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode. (add_with_sets): Don't call adjust_sets. (fp_setter, vt_init_cfa_base): New functions. (vt_initialize): Change return type to bool. Move most of pool etc. initialization to the beginning of the function from end. Pass CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init. If !frame_pointer_needed, call vt_stack_adjustment before mos vector is filled, call vt_init_cfa_base if argp/framep has been eliminated to sp. If frame_pointer_needed and argp/framep has been eliminated to hard frame pointer, set hard_frame_pointer_adjustment and call vt_init_cfa_base after encountering fp setter in the prologue. For MO_ADJUST, call log_op_type before pusing the op into mos vector, not afterwards. Call adjust_insn before cselib_process_insn/add_with_sets, call cancel_changes (0) afterwards. (variable_tracking_main_1): Adjust for vt_initialize calling vt_stack_adjustments and returning whether it succeeded or not. 2010-03-15 Aldy Hernandez * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip debug statements. 2010-03-15 Jakub Jelinek * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg has been set. (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when drap_reg has not been set. 2010-03-15 Michael Matz PR middle-end/43300 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp, use it to expand block copies. (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy. (insert_value_copy_on_edge): Use store_expr for BLKmode values. 2010-03-15 Richard Guenther PR tree-optimization/43367 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI elimination check. 2010-03-15 Richard Guenther PR tree-optimization/43317 * ipa-struct-reorg.c (create_new_general_access): Update stmt. 2010-03-15 Martin Jambor PR tree-optimization/43141 * tree-sra.c (create_abstract_origin): New function. (modify_function): Call create_abstract_origin. 2010-03-15 Chris Demetriou * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it wasn't copied. 2010-03-13 Sebastian Pop PR middle-end/43354 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not call insert_out_of_ssa_copy for default definitions. 2010-03-13 Sebastian Pop * graphite-clast-to-gimple.c (my_long_long): Defined. (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node. * graphite-sese-to-poly.c (my_long_long): Defined. (scop_ivs_can_be_represented): Use it. 2010-03-13 Sebastian Pop * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params, graphite-max-bbs-per-function, and loop-block-tile-size. * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal" with "maximum". (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same. 2010-03-13 Sebastian Pop * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove forward declaration. * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment. (add_upper_bounds_from_estimated_nit): New. (build_loop_iteration_domains): Use it. 2010-03-13 Sebastian Pop * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document. 2010-03-13 Sebastian Pop PR middle-end/43306 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT should be an INTEGER_CST. Also handle CASE_CONVERT. 2010-03-13 Sebastian Pop * graphite.c (graphite_initialize): To bound the number of bbs per function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION. * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared. * doc/invoke.texi: Document it. 2010-03-13 Sebastian Pop * graphite-sese-to-poly.c (build_poly_scop): Do not return bool. * graphite-sese-to-poly.h (build_poly_scop): Same. 2010-03-13 Sebastian Pop * graphite-sese-to-poly.c (build_poly_scop): Limit scops following the number of parameters in the scop. Use as an upper bound PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS. * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared. * doc/invoke.texi: Document it. 2010-03-13 Jerry Quinn * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi. * doc/c-tree.texi: Remove. * doc/generic.texi: Merge c-tree.texi here. * doc/gccint.texi (Trees): Remove menu entry. (c-tree.texi): Remove @include. * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC. * doc/languages.texi (Reading RTL): Ditto. 2010-03-12 Steve Ellcey PR target/42869 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence. 2010-03-12 Michael Meissner PR middle-end/42431 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid code added to work around reload clobbering CONST insns. 2010-03-12 Jakub Jelinek * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove. (cselib_preserve_definitely, cselib_clear_preserve): Remove. (cselib_preserve_only_values): Remove retain argument, don't traverse hash table with cselib_{preserve_definitely,clear_preserve}. * cselib.h (cselib_preserve_only_values): Remove retain argument. * var-tracking.c (micro_operation): Move insn field before union. Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type. (struct variable_tracking_info_def): Remove n_mos field, change mos into a vector of micro_operations. (count_uses, count_uses_1, count_stores, count_with_sets): Remove. (bb_stack_adjust_offset, log_op_type, add_uses, add_stores, compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos changing into a vector. (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores come before all other uops generated by add_stores. (vt_add_function_parameters): Adjust for cselib_preserve_only_values argument removal. (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into a vector. Run just one pass over the bbs instead of separate counting and computation phase. (vt_finalize): Free VTI (bb)->mos vector instead of array. PR debug/43329 * tree-inline.c (remap_decls): Put old_var rather than origin_var into *nonlocalized_list vector. * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin even if origin is non-NULL. (gen_variable_die): Likewise. (process_scope_var): Don't change origin. (gen_decl_die): Likewise. * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p before adding new edges instead of after it, fix moving over debug stmts. 2010-03-11 David S. Miller * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple of four. * configure: Rebuild. 2010-03-11 Martin Jambor PR tree-optimization/43257 * tree.c (assign_assembler_name_if_neeeded): New function. (free_lang_data_in_cgraph): Assembler name assignment moved to the above new function. * tree.h (assign_assembler_name_if_neeeded): Declare. * cgraphunit.c (cgraph_analyze_function): Create an assembler name for the function if needed. 2010-03-11 Chris Demetriou * Makefile.in (stmp-int-hdrs): Make include/unwind.h, include/stdint-gcc.h, and include/stdint.h world-readable. 2010-03-11 Richard Guenther PR tree-optimization/43255 * tree-vrp.c (process_assert_insertions_for): Do not insert asserts for trivial conditions. 2010-03-11 Andreas Krebbel PR tree-optimization/43280 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number generation. Move calculation of size out of the if branch. (find_bswap): Modify compare number generation. 2010-03-11 Richard Guenther PR lto/43200 * lto-streamer-in.c (maybe_fixup_decls): Simplify. (input_gimple_stmt): Fixup handled component types during operand read. Also fix up decls in ADDR_EXPRs. 2010-03-10 Eric Botcazou * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32. * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus. 2010-03-10 Jan Hubicka PR c/43288 * ipa.c (function_and_variable_visibility) Normalize COMMON bits. * varasm.c (get_variable_section): Don't do that here... (make_decl_rtl): ... and here. (do_assemble_alias): Produce decl RTL. (assemble_alias): Likewise. 2010-03-10 Jakub Jelinek PR debug/43290 * reg-notes.def (REG_CFA_SET_VDRAP): New note. * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting of fde->vdrap_reg. (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note. (based_loc_descr): Only express drap or vdrap regno based expressions using DW_OP_fbreg when not optimizing. * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing, make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add REG_CFA_SET_VDRAP note. 2010-03-10 Alexander Monakov PR tree-optimization/43236 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one error in calculation of base address in reverse iteration case. (generate_builtin): Take number of latch executions if the statement is in the latch. 2010-03-10 Andrey Belevantsev PR middle-end/42859 * tree-eh.c: Include pointer-set.h. (lower_eh_dispatch): Filter out duplicate case labels and remove the unneeded edge when the label is unused. Return true when some edges are removed. (execute_lower_eh_dispatch): When any lowering resulted in removing an edge, also delete unreachable blocks. 2010-03-10 Jakub Jelinek PR bootstrap/43287 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle UNSPEC_MACHOPIC_OFFSET. 2010-03-09 Andreas Schwab PR target/43294 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define. (m68k_delegitimize_address): New function. 2010-03-09 Jakub Jelinek PR debug/43299 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs. PR debug/43299 * var-tracking.c (adjust_sets): New function. (count_with_sets, add_with_sets): Use it. (get_adjusted_src): New inline function. (add_stores): Use it. PR debug/43304 * var-tracking.c (vt_expand_loc_callback) : If dummy, call cselib_dummy_expand_value_rtx_cb instead of cselib_expand_value_rtx_cb. PR debug/43293 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h. * config/i386/i386.c: Include debug.h and dwarf2out.h. (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc and .cfi_endproc around the pic thunks. (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure all queued unwind info register saves are saved before the call. For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is considered as sp-=4 for unwind info and the pop as sp+=4 which also clobbers dest, but doesn't actually restore it. PR debug/43290 * config/i386/i386.c (ix86_get_drap_rtx): Don't set RTX_FRAME_RELATED_P. 2010-03-09 Jie Zhang * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing whitespaces in output template. 2010-03-09 Jie Zhang * ira-lives.c (check_and_make_def_use_conflict): Don't fall out array boundary. 2010-03-08 Jakub Jelinek * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and builtins.exp in a separate job. 2010-03-08 Sebastian Pop * graphite-sese-to-poly.c (add_param_constraints): Use lower_bound_in_type and upper_bound_in_type. 2010-03-08 Sebastian Pop * graphite-sese-to-poly.c (add_param_constraints): Use sizetype instead of unsigned_type_node. 2010-03-08 Sebastian Pop Reza Yazdani PR middle-end/43065 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds on pointer type parameters. 2010-03-08 Tobias Grosser PR middle-end/42644 PR middle-end/42130 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also handle conversions from pointer to integers. (gcc_type_for_cloog_iv): Choose the smalles signed integer as an induction variable, to be able to work with code generated by CLooG. * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New. (build_poly_scop): Bail out if we cannot codegen a loop. 2010-03-08 Tobias Grosser * graphite-clast-to-gimple.c (translate_clast): Do not short-cut code generation with gloog_error. 2010-03-08 Sebastian Pop * sese.c (expand_scalar_variables_ssa_name): Add new argument for type. Call fold_convert on all the returned values. (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name the type of the resulting expression. 2010-03-08 Sebastian Pop * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed ppl_min_for_le_pointset. Use ppl_Pointset_Powerset_C_Polyhedron_minimize. * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration. 2010-03-08 Sebastian Pop * graphite-dependences.c (map_into_dep_poly): Removed. (dependence_polyhedron_1): Use combine_context_id_scat. 2010-03-08 Sebastian Pop * graphite-poly.h (struct poly_scattering): Add layout documentation. (struct poly_bb): Same. (combine_context_id_scat): New. 2010-03-08 Sebastian Pop PR middle-end/42326 * sese.c (name_defined_in_loop_p): Return false for default definitions. 2010-03-08 Sebastian Pop * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify and clean up the logic. 2010-03-08 Sebastian Pop * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove early return. 2010-03-08 Jakub Jelinek * var-tracking.c (remove_cselib_value_chains): Define only for ENABLE_CHECKING. (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs, delete_slot_part, emit_notes_for_differences_1): Don't call remove_cselib_value_chains here. (set_slot_part, emit_notes_for_differences_2): Don't call add_cselib_value_chains here. (preserved_values): New vector. (preserve_value): New function. (add_uses, add_stores, vt_add_function_parameters): Use it instead of cselib_preserve_value. (changed_values_stack): New vector. (check_changed_vars_0): New function. (check_changed_vars_1, check_changed_vars_2): Use it. (emit_notes_for_changes): Call set_dv_changed (*, false) on all changed_values_stack VALUEs. (vt_emit_notes): For all preserved_values call add_cselib_value_chains. If ENABLE_CHECKING call remove_cselib_value_chains before verifying value_chains is empty. Initialize and free changed_values_stack. (vt_initialize): Initialize preserved_values. (vt_finalize): Free preserved_values. 2010-03-08 Richard Guenther PR tree-optimization/43269 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom region detection. 2010-03-08 Martin Jambor * ipa-prop.h (struct ipa_param_descriptor): Removed the called field. (ipa_is_param_called): Removed. * ipa-prop.c (ipa_note_param_call): Do not set the called flag. (ipa_print_node_params): Do not print the called flag. (ipa_write_node_info): Do not stream the called flag. (ipa_read_node_info): Likewise. 2010-03-07 Jakub Jelinek PR debug/43176 * Makefile.in (var-tracking.o): Depend on pointer-set.h. * cselib.c (struct expand_value_data): Add dummy field. (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize dummy to false. (cselib_dummy_expand_value_rtx_cb): New function. (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate any rtl. * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype. * var-tracking.c: Include pointer-set.h. (variable): Change n_var_parts to char from int. Add cur_loc_changed and in_changed_variables fields. (variable_canonicalize): Remove. (shared_var_p): New inline function. (unshare_variable): Maintain cur_loc_changed and in_changed_variables fields. If var was in changed_variables, replace it there with new_var. Just copy cur_loc instead of resetting it to something else. (variable_union): Don't recompute cur_loc. Use shared_var_p. (dataflow_set_union): Don't call variable_canonicalize. (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids of their DEBUG_EXPR_TREE_DECLs. (canonicalize_loc_order_check): Verify that cur_loc is NULL and in_changed_variables and cur_loc_changed is false. (variable_merge_over_cur): Clear cur_loc, in_changed_variables and cur_loc_changed. Don't update cur_loc here. (variable_merge_over_src): Don't call variable_canonicalize. (dataflow_set_preserve_mem_locs): Use shared_var_p. When removing loc that is equal to cur_loc, clear cur_loc, set cur_loc_changed and ensure variable_was_changed is called. (dataflow_set_remove_mem_locs): Use shared_var_p. Only compare pointers in cur_loc check, if it is equal to loc, clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here. (variable_different_p): Remove compare_current_location argument, don't compare cur_loc. (dataflow_set_different_1): Adjust variable_different_p caller. (variable_was_changed): If dv had some var in changed_variables already, reset in_changed_variables flag for it and propagate cur_loc_changed over to the new variable. On empty var always set cur_loc_changed. Set in_changed_variables on whatever var is added to changed_variables. (set_slot_part): Clear cur_loc_changed and in_changed_variables. Use shared_var_p. When removing loc that is equal to cur_loc, clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the end, don't set it to something else, just call variable_was_changed. (delete_slot_part): Use shared_var_p. When cur_loc equals to loc being removed, clear cur_loc and set cur_loc_changed. Set cur_loc_changed if all locations have been removed. (struct expand_loc_callback_data): New type. (vt_expand_loc_callback): Add dummy mode in which no rtxes are allocated. Always create SUBREGs if simplify_subreg failed. Prefer to use cur_loc, when that fails and still in changed_variables (and seen first time) recompute it. Set cur_loc_changed of variables which had to change cur_loc and compute elcd->cur_loc_changed if any of the subexpressions used had to change cur_loc. (vt_expand_loc): Adjust to pass arguments in expand_loc_callback_data structure. (vt_expand_loc_dummy): New function. (emitted_notes): New variable. (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs that weren't used for any other decl in current emit_notes_for_changes call call vt_expand_loc_dummy to update cur_loc. For -fno-var-tracking-assignments, set cur_loc to first loc_chain location if NULL before. Always use just cur_loc instead of first loc_chain location. When cur_loc_changed is false, when not --enable-checking=rtl just don't emit any note. When rtl checking, compute the note and assert it is the same as previous note. Clear cur_loc_changed and in_changed_variables at the end before removing from changed_variables. (check_changed_vars_3): New function. (emit_notes_for_changes): Traverse changed_vars to call check_changed_vars_3 on each changed var. (emit_notes_for_differences_1): Clear cur_loc_changed and in_changed_variables. Recompute cur_loc of new_var. (emit_notes_for_differences_2): Clear cur_loc if new variable appears. (vt_emit_notes): Initialize and destroy emitted_notes. 2010-03-07 Bernd Schmidt PR rtl-optimization/42220 * regrename.c (scan_rtx) : Use verify_reg_tracked to determine if we should use OP_OUT rather than OP_INOUT. (build_def_use): If we see an in-out operand for a register that we know nothing about, treat is an output if possible, fail the block if not. 2010-03-06 Alexandre Oliva PR debug/42897 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed permanently. 2010-03-06 Alexandre Oliva PR debug/42897 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug uses of relevant DEFs that are dead outside the loop too. 2010-03-06 Alexandre Oliva * var-tracking.c (dataflow_set_merge): Swap src and src2. Reverted: 2010-01-13 Jakub Jelinek PR debug/41371 * var-tracking.c (values_to_unmark): New variable. (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in values_to_unmark vector. Moved body to... (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO, instead queue it into values_to_unmark vector. (vt_find_locations): Free values_to_unmark vector. 2010-03-05 Eric Botcazou * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables. (site.exp): Export them when plugins are enabled. 2010-03-05 Sebastian Pop PR middle-end/42326 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions that contain scevs. (chrec_fold_multiply): Same. 2010-03-04 Andrew Pinski PR c/43248 * c-decl.c (build_compound_literal): Return early if init is an error_mark_node. 2010-03-04 Martin Jambor PR tree-optimization/43164 PR tree-optimization/43191 * tree-sra.c (type_consists_of_records_p): Reject records with zero-size bit-fields at the end. 2010-03-04 Mike Stump * Makefile.in (TAGS): Remove *.y. 2010-03-04 Richard Guenther PR tree-optimization/40761 * tree-ssa-pre.c (compute_antic): Walk reverse postorder in reverse order. (my_rev_post_order_compute): New function. (init_pre): Call it. 2010-03-04 Changpeng Fang PR middle-end/43209 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not decrease the cost of an IV candidate when the cost is infinite. 2010-03-04 Ralf Wildenhues * doc/extend.texi (Vector Extensions, X86 Built-in Functions): Use '3DNow!' for the extension of that name, ensure normal space after the string. * doc/invoke.texi (i386 and x86-64 Options): Likewise. 2010-03-03 Jeff Law * PR middle-end/32693 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather than gen_rtx_SUBREG. (extract_bit_field_1): Likewise. 2010-03-03 Janis Johnson * doc/sourcebuild.texi (Test directives): Document that arguments include-opts and exclude-opts are now optional for dg-skip-if, dg-xfail-if, dg-xfail-run-if, and dg-shouldfail. 2010-03-03 Jason Merrill PR c++/12909 * cgraph.h (varpool_node): Add extra_name field. * varpool.c (varpool_extra_name_alias): New. (varpool_assemble_decl): Emit extra name aliases. (varpool_mark_needed_node): Look past an extra name alias. * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias. * lto-streamer-in.c (lto_input_tree): Read it. * lto-streamer-out.c (output_unreferenced_globals): Write it. 2010-03-03 Eric Botcazou * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into... (sparc*-*-solaris2*): ...this. 2010-03-03 Jakub Jelinek PR debug/43229 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR, WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR, FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR. PR debug/43237 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die, fallthrough to default handling, just with want_address 0 instead of 2. For single element lists, add_AT_loc directly, otherwise create an artificial variable DIE and stick location list to it. PR debug/43177 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode. (VAL_EXPR_HAS_REVERSE): Define. (reverse_op): New function. (add_stores): For reversible operations add an extra MO_VAL_USE. 2010-03-02 Jason Merrill * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size. 2010-03-02 Eric Botcazou * config.gcc (sparc-*-linux*): Do not include sparc/gas.h. (sparc64-*-linux*): Likewise. (sparc64-*-solaris2*): Include assembler files before linker ones. (sparc-*-solaris2*): Simplify and reorder to match previous case. * config/sparc/gas.h: Delete. * config/sparc/sol2-64.h: Add copyright notice. * config/sparc/sol2-gas-bi.h: Likewise. * config/sparc/sol2-gld.h: Likewise. * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete. * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine. * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise. * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine. (sparc_elf_asm_named_section): Rename into... (sparc_solaris_elf_asm_named_section): ...this. Always define. 2010-03-02 Uros Bizjak * config/alpha/alpha.c (override_options): Fix -mtune error message. 2010-03-02 Jeff Law PR middle-end/42431 * reload1.c (rtx_p, substitute_stack): Declare. (substitute): Record addresses of changed rtxs. (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore. Restore the original rtx when complete. (reload): Free subsitute_stack when complete. 2010-03-02 Janis Johnson * doc/gccint.texi (menu): Add Testsuites as a chapter. * doc/sourcebuild.texi (Testsuites): Move up a level to be a new chapter. (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests, LTO Testing, gcov Testing, profopt Testing, compat Testing, Torture Tests): Change from subsection to section. 2010-03-02 Jakub Jelinek Steven Bosscher * var-tracking.c (vt_initialize): Scan insns in ebb chunks instead of bb. 2010-03-02 Reza Yazdani PR middle-end/42640 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced the assignment from the new induction variable to the assignment of the value from the original loop PHI function. 2010-03-01 Janis Johnson Daniel Jacobowitz * doc/sourcebuild.texi (Test directives): Clarify options to dg-skip-if. 2010-03-01 Rainer Orth * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]: Disable cfi directives unless GCC and gas agree on using read-only .eh_frame sections for 64-bit. * configure: Regenerate. 2010-03-01 Richard Guenther PR tree-optimization/43220 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize BUILT_IN_STACK_{SAVE,RESTORE} around alloca. 2010-03-01 Richard Guenther Martin Jambor PR middle-end/41250 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on gimplified parameters. 2010-03-01 Christian Bruel * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P. 2010-03-01 H.J. Lu * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64. 2010-03-01 Richard Guenther PR middle-end/43213 * expr.c (expand_assignment): Use the alias-oracle to tell if the rhs aliases the result decl. 2010-03-01 Rainer Orth PR pch/14940 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine to sol_gt_pch_get_address. (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and 64-bit, SPARC and x86. (sol_gt_pch_get_address): New function. 2010-03-01 Marco Poletti * toplev.h (inform_n, error_n): Declare. * diagnostic.c (inform_n, error_n): New function. 2010-03-01 Jakub Jelinek * cfgexpand.c (expand_used_vars): If an artificial non-ignored var has no rtl yet when processing local_decls, queue it and recheck if deferred stack allocation hasn't assigned it rtl. 2010-02-28 Kaz Kojima * config/sh/sh.c (unspec_bbr_uid): New. (gen_block_redirect): Use it instead of INSN_UID. (gen_far_branch): Likewise. 2010-02-28 H.J. Lu * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make it the same as TARGET_SUBTARGET64_ISA_DEFAULT. 2010-02-28 Ralf Wildenhues * doc/invoke.texi (Warning Options, RX Options): Fix typos. (Warning Options): -Wno-conversion-null is valid for Objective-C++ as well. * doc/tm.texi (Named Address Spaces): Likewise. * doc/plugins.texi (Plugins): Replace TABs with spaces. * doc/tree-ssa.texi (Tree SSA): Likewise. 2010-02-27 H.J. Lu PR bootstrap/43202 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin* by default. Don't set the default arch for i[34567]86-*-darwin*|x86_64-*-darwin*. 2010-02-27 H.J. Lu PR bootstrap/43202 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by default. Set the default 32bit/64bit archs with $with_arch instead of $arch for i[34567]86-*-*|x86_64-*-* targets. 2010-02-27 Richard Guenther PR tree-optimization/43186 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param. * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document. * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit unroller iterations. 2010-02-27 H.J. Lu * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is required and i[34567]86-*-* targets don't support 64bit ISA. 2010-02-26 Eric Botcazou PR ada/43096 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have the same alias set. 2010-02-26 H.J. Lu * config.gcc: Set the default arch at least to Prescott for i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets if SSE math is enabled. 2010-02-26 Manuel López-Ibáñez * diagnostic.c (diagnostic_initialize): Update. (diagnostic_report_diagnostic): Test inhibit_notes_p for informative notes. * diagnostic.h (diagnostic_context): New bool inhibit_notes_p. (diagnostic_inhibit_notes): New. * toplev.c (process_options): inhibit notes with -fcompare-debug. 2010-02-26 Manuel López-Ibáñez PR c/20631 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89. * doc/standards.texi: Likewise. * doc/extend.texi: Likewise. * doc/trouble.texi: Likewise. * doc/cppopts.texi: Likewise. * doc/install.texi: Likewise. * c.opt (std=c90,std=gnu90): New options. * c-opts.c (c_common_handle_option): Handle them. 2010-02-26 Manuel López-Ibáñez PR c/24577 * c-decl.c (undeclared_variable): Use an informative note. 2010-02-26 Richard Guenther PR tree-optimization/43186 * gimple.h (gimple_fold): Remove. * gimple.c (gimple_fold): Remove. Inline into single user ... * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here. Try harder for conditions. 2010-02-26 Jakub Jelinek PR debug/43190 * function.c (used_types_insert): Don't skip through named pointer types. Don't use TYPE_MAIN_VARIANT if the original type has a name and it is different from the main variant's type. 2010-02-26 Nick Clifton * config/rx/rx.md (sminsi3): Remove bogus alternative. 2010-02-26 H.J. Lu * config.gcc: Support --with-fpmath=sse for x86. * config/i386/ssemath.h: New. * doc/install.texi (--with-fpmath=sse): Documented. 2010-02-26 Richard Guenther PR tree-optimization/43188 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build vector types of over-aligned element type. 2010-02-26 Uros Bizjak PR target/43175 * config/i386/i386.c (expand_vec_perm_blend): Use correct operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx. 2010-02-26 Jan Kratochvil * doc/invoke.texi (-fvar-tracking-assignments): Fix typo. 2010-02-26 Jakub Jelinek * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H). * var-tracking.c: Include diagnostic.h. (debug_dv): New function. (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N. PR debug/43160 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs. (add_value_chain, add_value_chains, remove_value_chain, remove_value_chains): Handle DEBUG_EXPRs. (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs. PR debug/43161 * regcprop.c (struct queued_debug_insn_change): New type. (struct value_data_entry): Add debug_insn_changes field. (struct value_data): Add n_debug_insn_changes field. (debug_insn_changes_pool): New variable. (free_debug_insn_changes, apply_debug_insn_changes, cprop_find_used_regs_1, cprop_find_used_regs): New functions. (kill_value_one_regno): Call free_debug_insn_changes if needed. (init_value_data): Clear debug_insn_changes and n_debug_insn_changes fields. (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue changes for them. (copyprop_hardreg_forward_1): Don't call apply_change_group for DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN changes, call cprop_find_used_regs via note_stores. (copyprop_hardreg_forward): When copying vd from predecessor which has any queued DEBUG_INSN changes, make sure the pointers are cleared. At the end call df_analyze and then if there are any DEBUG_INSN changes queued at the end of some basic block for still live registers, apply them. (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish. 2010-02-25 Uros Bizjak * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line. (arm*-*-*): Ditto. 2010-02-25 H.J. Lu * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-* targets. Set the default with_cpu/with_arch from arch/cpu. Allow x86-64 and native for with_cpu/with_arch. 2010-02-25 Nicolas Benoit * ebitmap.c: Change calls to verify_popcount with calls to sbitmap_verify_popcount. (ebitmap_clear_bit): Fixed map->cacheindex test and map>cache update when bit clearing results in an empty element. 2010-02-25 Michael Meissner PR target/43154 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI. (vec_interleave_high): Rename from vec_interleave_highv2df and support both V2DF and V2DI modes. (vec_interleave_low): Rename from vec_interleave_lowv2df and support both V2DF and V2DI modes. (general): Delete trailing whitespace from a few patterns. * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add V2DF/V2DI interleave high/low builtins. * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add new VSX builtins. * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI interleave high/low functions. 2010-02-25 Gerald Pfeifer * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of #pragma extern_prefix. 2010-02-25 Jakub Jelinek PR debug/43166 * cfgexpand.c (expand_debug_expr) : If mode is BLKmode, assert op0 is a MEM and just adjust its mode. PR debug/43165 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg if bitpos isn't multiple of mode's bitsize. 2010-02-24 Manuel López-Ibáñez * c.opt (-ftemplate-depth=): New. (-ftemplate-depth-): Deprecate. * optc-gen.awk: Handle -ftemplate-depth=. * opth-gen.awk: Likewise. * c-opts.c (c_common_handle_option): Likewise. * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=. 2010-02-24 Jason Merrill * doc/invoke.texi: Improve -Wabi and -fabi-version docs. 2010-02-24 Rainer Orth * cfg.c (alloc_aux_for_block): Remove inline. (alloc_aux_for_edge): Likewise. 2010-02-24 Rainer Orth * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion. 2010-02-24 Rainer Orth * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define. * config/i386/sol2-gas.h: New file. * config.gcc (i[34567]86-*-solaris2*): Use it. 2010-02-24 Manuel López-Ibáñez PR c/43128 * c-typeck.c (ep_convert_and_check): New. (build_conditional_expr): Use it. (build_binary_op): Likewise. 2010-02-24 Jakub Jelinek * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan. PR debug/43150 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA bounds even for -O+. * var-tracking.c (track_expr_p): If !need_rtl, don't mandate expr needs to have DECL_NAME set. 2010-02-24 Nick Clifton * config/mep/mep.c: Include gimple.h. (mep_function_uses_sp): Delete unused function. (mep_gimplify_va_arg_expr): Change types of pre_p and post_p parameters. Use unsigned integers to count args. Return a NULL_RTX instead of an error_mark_node. Toidy up formatting. 2010-02-23 Jakub Jelinek PR target/43107 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes greater or equal to nelt instead of 2 * nelt. (expand_vec_perm_1): When op0 and op1 are equal, mask indexes with nelt - 1. 2010-02-23 Jason Merrill PR debug/42800 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars in cfun->local_decls even if they have register types. PR c++/42837 * stor-layout.c (place_field): Don't warn about unnecessary DECL_PACKED if the type is packed. 2010-02-23 Jakub Jelinek PR target/43139 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all GOTOFF relocs, even when the base reg isn't pic pointer. 2010-02-23 Michael Matz PR debug/43077 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place. (expand_gimple_basic_block): Generate and use debug temps if there are debug uses left after the last real use of TERed ssa names. Unlink debug immediate uses when they are expanded. 2010-02-23 Manuel López-Ibáñez PR 43123 * config/i386/i386.c (override_options): Reorganise to provide better error messages. 2010-02-22 Sebastian Pop PR middle-end/43083 * graphite-scop-detection.c (create_single_exit_edge): Move the call to find_single_exit_edge to.... (create_sese_edges): ...here. Don't handle multiple edges exiting the function. (build_graphite_scops): Don't handle multiple edges exiting the function. 2010-02-22 Sebastian Pop PR middle-end/43097 * sese.c (get_rename): Assert that old_name is an SSA_NAME. (rename_variables_in_stmt): Continue when the use is not an SSA_NAME. 2010-02-22 Sebastian Pop PR middle-end/43026 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF. 2010-02-22 Manuel López-Ibáñez PR c++/43126 * c-typeck.c (convert_arguments): Print declaration location. * c-common.c (validate_nargs): Rename as builtin_function_validate_nargs. (check_builtin_function_arguments): Update. 2010-02-22 Richard Guenther PR lto/43045 * tree-inline.c (declare_return_variable): Use the type of the call stmt lhs if available. 2010-02-22 Duncan Sands * passes.c (register_pass): Always consider all pass lists when ref_pass_instance_number is zero. 2010-02-22 Richard Guenther PR tree-optimization/42749 * tree-tailcall.c (adjust_return_value_with_ops): Drop update parameter. Do arithmetic in the original type. (update_accumulator_with_ops): Likewise. (adjust_accumulator_values): Adjust. 2010-02-22 Andreas Krebbel * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative. (QI to BLKmode splitter): New splitter. 2010-02-22 H.J. Lu * config/i386/i386.c (initial_ix86_tune_features): Turn on X86_TUNE_INTER_UNIT_MOVES for m_ATOM. 2010-02-22 Richard Guenther * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo. 2010-02-22 Hans-Peter Nilsson Migrate crti, crtn, crtbegin, crtend build rules to libgcc. * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set. ($(T)crti.o, $(T)crtn.o): Remove rules. 2010-02-21 Tobias Burnus PR fortran/35259 * doc/invoke.texi (-fassociative-math): Document that this option is automatically enabled for Fortran. 2010-02-20 David S. Miller * configure.ac: Test if linker and assembler properly support GOTDATA_OP relocations. * configure: Rebuild. * config.in: Likewise. * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New. (movsi_lo_sum_pic): Use %gdop_*() relocs if available. (movsi_high_pic): Likewise. (movdi_lo_sum_pic): Likewise. (movdi_high_pic): Likewise. (movsi_pic_gotdata_op): New pattern. (movdi_pic_gotdata_op): Likewise. * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2, emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load. 2010-02-20 Uros Bizjak PR target/43067 * config/i386/sse.md (xop_mulv2div2di3_low): Change type attribute to ssemul. (xop_mulv2div2di3_high): Ditto. 2010-02-20 Manuel López-Ibáñez PR c++/35669 * c.opt (Wconversion-null): New option. * doc/invoke.texi (Wconversion-null): Document. 2010-02-20 Manuel López-Ibáñez * common.opt (Wlarger-than-): Add Undocumented. 2010-02-19 Mike Stump * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it. 2010-02-19 Jason Merrill PR target/40332 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance. * configure: Likewise. 2010-02-20 Alan Modra PR middle-end/42344 * cgraph.h (cgraph_make_decl_local): Declare. * cgraph.c (cgraph_make_decl_local): New function. (cgraph_make_node_local): Use it. * cgraphunit.c (cgraph_function_versioning): Likewise. * ipa.c (function_and_variable_visibility): Likewise. 2010-02-19 Jakub Jelinek PR bootstrap/43121 * except.c (sjlj_emit_function_enter): Don't call add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn directly. * rtl.h (add_reg_br_prob_note): Remove prototype. 2010-02-19 Manuel López-Ibáñez PR 41779 * c-common.c (conversion_warning): Remove widening conversions before checking the conversion of integers to reals. 2010-02-19 Mike Stump PR middle-end/43125 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P. PR objc/43061 * cgraphunit.c (process_function_and_variable_attributes): Check DECL_PRESERVE_P instead of looking up attribute "used". * ipa-pure-const.c (check_decl): Likewise. * ipa-reference.c (has_proper_scope_for_analysis): Likewise. * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise. * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P instead of attribute "used". * config/sol2-c.c (solaris_pragma_init): Likewise. (solaris_pragma_fini): Likewise. 2010-02-19 Jakub Jelinek * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field): Use XCNEW instead of xcalloc. (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use XNEW instead of xmalloc. (get_fields): Use XNEWVEC instead of xmalloc. PR debug/43084 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't populate vars array. (create_new_general_access): For debug stmts just reset value. (get_stmt_accesses): For accesses within debug stmts just record them using add_access_to_acc_sites instead of preventing the peeling or counting them as accesses. PR middle-end/42233 * dojump.c (do_jump) : Invert priority. 2010-02-19 Richard Guenther PR tree-optimization/42916 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real instructions. 2010-02-19 Andreas Schwab * configure.ac: Replace all uses of changequote in macro arguments with proper quoting. 2010-02-19 Jakub Jelinek PR middle-end/42233 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller. 2010-02-19 Richard Guenther PR tree-optimization/42944 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage test for aliasing with errno. 2010-02-19 Jakub Jelinek PR middle-end/42233 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump, do_jump_1, do_compare_rtx_and_jump): Add PROB argument. * dojump.c: Include output.h. (inv): New inline function. (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump, do_jump_by_parts_greater_rtx, do_jump_by_parts_greater, do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx, do_jump_by_parts_equality, do_compare_and_jump): Add PROB argument, pass it down to other calls. (do_compare_rtx_and_jump): Likewise. If PROB is not -1, add REG_BR_PROB note to the conditional jump. * cfgexpand.c (add_reg_br_prob_note): Removed. (expand_gimple_cond): Don't call it, add the probability as last argument to jumpif_1/jumpifnot_1. * Makefile.in (dojump.o): Depend on output.h. * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump callers. * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise. * stmt.c (do_jump_if_equal): Likewise. * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise. * loop-unswitch.c (compare_and_jump_seq): Likewise. * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init): Likewise. * optabs.c (expand_doubleword_shift, expand_abs): Likewise. * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and jumpifnot_1 callers. (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump callers. (store_expr): Adjust jumpifnot caller. (store_constructor): Adjust jumpif caller. PR middle-end/42233 * gimplify.c (gimple_boolify): For __builtin_expect call gimple_boolify also on its first argument. 2010-02-18 Uros Bizjak * configure.ac (gnu-unique-object): Wrap regexps using [] in changequote block. (__stack_chk_fail): Ditto. Remove quadrigraphs. * configure: Regenerated. 2010-02-18 Ulrich Weigand * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call lang_hooks.types_compatible_p instead of comptypes. 2010-02-18 Sebastian Huber * config/arm/lib1funcs.asm (__prefer_thumb__): New define. (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant if __prefer_thumb__ is defined. 2010-02-18 Martin Jambor PR tree-optimization/43066 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an array with zero-sized element type. 2010-02-18 Jakub Jelinek * dwarf2out.c (add_var_loc_to_decl): Change last argument to rtx, allocate struct var_loc_node here and return it to the caller, and only if it is actually needed. (dwarf2out_var_location): Adjust add_var_loc_to_decl caller, move it earlier and return immediately if it returns NULL. 2010-02-17 Mikael Pettersson * config/sparc/gas.h: New file. Restore TARGET_ASM_NAMED_SECTION to its ELF default. * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not check !HAVE_GNU_AS. * config/sparc/sparc.c (sparc_elf_asm_named_section): Likewise. Add ATTRIBUTE_UNUSED to prototype. * config.gcc (sparc*-*-linux*): Include sparc/gas.h after sparc/sysv4.h. 2010-02-17 Dave Korn * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name. 2010-02-17 Steven Bosscher * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC patterns from predicated pattern. 2010-02-17 Uros Bizjak PR target/43103 * config/i386/sse.md (xop_vpermil23): Use avxmodesuffixf2c for insn mnemonic suffix. 2010-02-17 Richard Guenther * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis to loop PHI nodes. 2010-02-17 Jakub Jelinek PR debug/42918 * caller-save.c (save_call_clobbered_regs): If BB ends with a DEBUG_INSN, move any notes in between last real insn and the last DEBUG_INSN after the last DEBUG_INSN. 2010-02-16 Joern Rennecke * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC): Fix return type. Fix argument type. Explain meaning of return value. 2010-02-16 Richard Guenther PR tree-optimization/41043 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops. (vrp_visit_assignment_or_call): Do not ask SCEV for regular statements ... (vrp_visit_phi_node): ... but only for loop PHI nodes. 2010-02-16 Ira Rosen PR tree-optimization/43074 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New. * tree-vect-loop.c (vect_analyze_loop_operations): Add vectorizable cycles in hybrid SLP check. * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise. 2010-02-16 Richard Guenther * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know. (true_dependence): If memrefs_conflict_p computes must-alias trust it. Move TBAA check after offset-based disambiguation. (canon_true_dependence): Likewise. 2010-02-16 Alexandre Oliva * params.def (PARAM_MAX_VARTRACK_SIZE): New. * doc/invoke.texi: Document it. * var-tracking.c: Include toplev.h and params.h. (vt_find_locations): Return bool indicating success. Compute hash sizes unconditionally. Check new parameter, report. (variable_tracking_main_1): Check vt_find_locations results and retry. Renamed from... (variable_tracking_main): ... this. New wrapper to preserve flag_var_tracking_assignments. * Makefile.in (var-tracking.o): Adjust dependencies. 2010-02-16 Jack Howarth Jakub Jelinek PR target/42854 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute if weak_import attribute is present. * config/darwin.c (machopic_select_section): Likewise. 2010-02-15 Joern Rennecke * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document. (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise. (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise. (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise. * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types. * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Fix argument types. * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names. Rewrite text to refer to the names. 2010-02-15 Sebastian Pop * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared. (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared. (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared. (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared. * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and IX86_BUILTIN_VPERMIL2PS256. (MULTI_ARG_4_DF2_DI_I): Defined. (MULTI_ARG_4_DF2_DI_I1): Defined. (MULTI_ARG_4_SF2_SI_I): Defined. (MULTI_ARG_4_SF2_SI_I1): Defined. (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd, __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and __builtin_ia32_vpermil2ps256. (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I, MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments. (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I, MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3, CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and CODE_FOR_xop_vpermil2v8sf3. * config/i386/i386.md (UNSPEC_VPERMIL2): Declared. * config/i386/sse.md (xop_vpermil23): New insn pattern. * config/i386/xopintrin.h (_mm_permute2_pd): New. (_mm256_permute2_pd): New. (_mm_permute2_ps): New. (_mm256_permute2_ps): New. 2010-02-15 Nick Clifton * config/h8300/h8300.c (h8300_push_pop): Use bool type for boolean parameters. Use emit_jump_insn when emitting a pop instruction containing a return insn. (push): Use 'true' rather than '1' as second parameter to F. (h8300_expand_prologue): Likewise. Use 'true' and 'false' for boolean parameters to h8300_push_pop. (h8300_expand_epilogue): Likewise. 2010-02-15 Richard Guenther PR middle-end/43068 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset if that is zero. 2010-02-15 Nick Clifton * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous delta. 2010-02-14 Marco Poletti * intl.c (fake_ngettext): New function. * intl.h (fake_ngettext): Declare. (ngettext): Define macro. * collect2.c (notice_translated): New function. (main): Use notice_translated and ngettext. * collect2.h (notice_translated): Declare. 2010-02-14 Steven Bosscher * reorg.c (delete_computation): Comment fixes. * caller-save.c (setup_save_areas): Idem. * sel-sched-dump.c (dump_lv_set): Idem. * rtl.def: Idem. 2010-02-14 Andreas Krebbel * config/s390/s390.c (s390_sched_init): New function. (TARGET_SCHED_INIT): Target hook defined. 2010-02-12 Dave Korn Jack Howarth Iain Sandoe PR target/42982 Partial revert of unintended change in fix for PR41605. * config/darwin.h: Fix typo. * config/darwin9.h: Same. 2010-02-11 Jakub Jelinek * c-pch.c (pch_init): Clear v. 2010-02-11 Sebastian Pop PR middle-end/42930 * graphite-scop-detection.c (graphite_can_represent_scev): Call graphite_can_represent_init for MULT_EXPR. 2010-02-11 Sebastian Pop PR middle-end/42914 PR middle-end/42530 * graphite-sese-to-poly.c (remove_phi): New. (translate_scalar_reduction_to_array): Call remove_phi. 2010-02-11 Sebastian Pop PR middle-end/42771 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters. * graphite-clast-to-gimple.h (gloog): Update declaration. * graphite-poly.c (new_scop): Clear POLY_SCOP_P. * graphite-poly.h (struct poly_bb): Add missing comments. (struct scop): Add poly_scop_p field. (POLY_SCOP_P): New. * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P. * graphite.c (graphite_transform_loops): Build the polyhedral representation for each scop before code generation. * sese.c (rename_variables_in_operand): Removed. (rename_variables_in_expr): Return the renamed expression. (rename_sese_parameters): New. * sese.h (rename_sese_parameters): Declared. 2010-02-11 Richard Guenther PR tree-optimization/42998 * tree-ssa-pre.c (create_expression_by_pieces): Treat POINTER_PLUS_EXPR properly. 2010-02-11 Sebastian Pop Changpeng Fang PR middle-end/40886 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement the cost of an IV candidate when the IV is used in a test against zero. * gcc.dg/tree-ssa/ivopts-3.c: New. 2010-02-11 Richard Guenther PR lto/41664 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize pointer-vs-decl case by swapping refs. Handle some cases of pointer-vs-decl disambiguations more conservatively. * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p to false after expanding. 2010-02-11 Richard Guenther PR driver/43021 * gcc.c (process_command): Handle LTO file@offset case more appropriately. 2010-02-11 Jakub Jelinek * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any modifications outside of the DEBUG_INSN. Accept CLOBBERs inside of DEBUG_INSNs. (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs. * dwarf2out.c (mem_loc_descriptor) : Use DW_OP_deref_size if MEM's mode size isn't DWARF2_ADDR_SIZE. (mem_loc_descriptor) : Allow also VOIDmode arguments. Optimize eq/ne comparisons when both arguments are known to be zero-extended. (mem_loc_descriptor) : Allow also VOIDmode arguments. Don't mask operands unnecessarily if they are known to be already zero-extended. 2010-02-10 Vladimir Makarov * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note instead of loop. 2010-02-10 Richard Guenther PR tree-optimization/43017 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop for wrapping signed arithmetic. 2010-02-10 Jakub Jelinek PR debug/43010 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die if no debug info should be emitted for it. 2010-02-10 Kaz Kojima * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION note when flag_exceptions is set. 2010-02-10 Duncan Sands * Makefile.in (PLUGIN_HEADERS): Add debug.h. 2010-02-10 Richard Guenther PR c/43007 * tree.c (get_unwidened): Handle constants. * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR. 2010-02-10 Martin Jambor PR lto/42985 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and check for variable argument counts independently. 2010-02-10 Christian Bruel PR target/42841 * config/sh/sh.c (find_barrier): Increase length for non delayed conditional branches. 2010-02-10 Christian Bruel * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting. 2010-02-10 Jakub Jelinek * builtins.c (set_builtin_user_assembler_name): Also handle ffs if int is smaller than word. 2010-02-09 Vladimir Makarov PR middle-end/42973 * ira-conflicts.c (get_dup): Remove. (process_reg_shuffles): Add new parameter. Use it as an additional guard for copy generation. (add_insn_allocno_copies): Rewrite. 2010-02-09 Alexander Monakov * common.opt (fsched2-use-traces): Preserved for backward compatibility. * doc/invoke.texi: Remove the documentation about option -fsched2-use-traces. * sched-rgn.c (rest_of_handle_sched2): Remove usage of flag_sched2_use_traces. * opts.c (common_handle_option): Add OPT_fsched2_use_traces to the backward compatibility flag section. 2010-02-09 Richard Guenther PR tree-optimization/43008 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl, make HEAP variables initialized from global memory if they are not known builtin functions. (find_func_aliases): Adjust. 2010-02-09 Richard Guenther PR tree-optimization/43000 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned arithmetic manually. 2010-02-08 Jakub Jelinek PR tree-optimization/42931 * tree-loop-linear.c (try_interchange_loops): Don't call double_int_mul if estimated_loop_iterations failed. 2010-02-08 Martin Jambor PR middle-end/42898 * tree-sra.c (build_accesses_from_assign): Do not mark in should_scalarize_away_bitmap if stmt has volatile ops. (sra_modify_assign): Do not process assigns piecemeal if if stmt has volatile ops. 2010-02-08 Joern Rennecke * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document. 2010-02-07 Adam Nemet * config/mips/mips.md (*_trunc_exts): Fix comment before the pattern. 2010-02-07 Andrew Pinski PR middle-end/42946 * df-core.c (df_finish_pass): Change type of saved_flags to int. 2010-02-07 Sebastian Pop PR middle-end/42988 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND to unknown_dependence. (graphite_legal_transform_dr): Handle the unknown_dependence. (graphite_carried_dependence_level_k): Same. 2010-02-07 Sebastian Pop * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/. 2010-02-07 Richard Guenther PR middle-end/42991 * expr.c (get_inner_reference): Always initialize *pbitsize. 2010-02-07 Richard Guenther PR middle-end/42956 * gimplify.c (gimple_fold_indirect_ref): Avoid generating new ARRAY_REFs on variable size element or minimal index arrays. Complete. * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use gimple_fold_indirect_ref. 2010-02-06 Richard Earnshaw PR target/42957 * arm.c (arm_override_options): Just return if the user has specified an invalid fpu name. 2010-02-03 Jason Merrill PR c++/42870 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call i386_pe_maybe_record_exported_symbol. 2010-02-05 Steve Ellcey PR target/42924 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine. (pa_delegitimize_address): New function. 2010-02-05 Ozkan Sezer * config/i386/msformat-c.c (ms_printf_length_specs): Set the scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs. 2010-02-05 Richard Guenther PR lto/42762 * lto-streamer-in.c (get_resolution): Deal with references to undefined functions. 2010-02-05 Richard Guenther * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions. (fold_const_aggregate_ref): Likewise. (ccp_fold_stmt): Substitute loads. (maybe_fold_reference): Verify types before substituting. Unshare properly. (fold_gimple_assign): Unshare properly. (fold_stmt_1): Insert conversion if necessary before replacing the RHS. 2010-02-05 Nathan Froyd * config/rs6000/rs6000.c (rs6000_override_options): Invert check for rs6000_gen_cell_microcode. 2010-02-04 Richard Guenther PR rtl-optimization/42952 * dse.c (const_or_frame_p): Remove MEM handling. 2010-02-04 Nick Clifton * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define. (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define. (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM. (mn10300_asm_output_mi_thunk): New function. (mn10300_can_output_mu_thunk): New function. * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define. (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1. (FUNCTION_ARG): Delete incorrect comment. 2010-02-03 Jason Merrill PR c++/40138 * fold-const.c (operand_equal_p): Handle erroneous types. 2010-02-03 Kaushik Phatak * config/h8300/h8300.md (can_delay): Fix attibute condition. 2010-02-03 Vladimir Makarov PR rtl-optimization/42941 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead of xmalloc. 2010-02-03 Jason Merrill PR c++/35652 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics. 2010-02-03 Alexandre Oliva PR debug/42896 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash. (cselib_reset_table): Renamed from... (cselib_reset_table_with_next_value): ... this. (cselib_get_next_uid): Renamed from... (cselib_get_next_unknown_value): ... this. * cselib.c (next_uid): Renamed from... (next_unknown_value): ... this. (cselib_clear_table): Adjust. (cselib_reset_table): Adjust. Renamed from... (cselib_reset_table_with_next_value): ... this. (cselib_get_next_uid): Adjust. Renamed from... (cselib_get_next_unknown_value): ... this. (get_value_hash): Use hash. (cselib_hash_rtx): Likewise. (new_cselib_val): Adjust. Set and dump uid. (cselib_lookup_mem): Pass next_uid as hash. (cselib_subst_to_values): Likewise. (cselib_log_lookup): Dump uid. (cselib_lookup): Pass next_uid as hash. Adjust. (cselib_process_insn): Adjust. (cselib_init): Initialize next_uid. (cselib_finish): Adjust. (dump_cselib_table): Likewise. * dse.c (canon_address): Dump value uid. * print-rtl.c (print_rtx): Print value uid. * var-tracking.c (VARIABLE_HASH_VAL): Dropped. (dvuid): New type. (dv_uid): New function, sort of renamed from... (dv_htab_hash): ... this, reimplemented in terms of it and... (dv_uid2hash): ... this. New. (variable_htab_eq): Drop excess assertions. (tie_break_pointers): Removed. (canon_value_cmp): Compare uids. (variable_post_merge_New_vals): Print uids. (vt_add_function_parameters): Adjust. (vt_initialize): Reset table. Adjust. 2010-02-03 Richard Guenther PR tree-optimization/42944 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc. (call_may_clobber_ref_p_1): Likewise. Properly handle malloc and calloc clobbering errno. 2010-02-03 Steven Bosscher * doc/invoke.texi: Fix name of sched1 dump. * opts.c (decode_options): Set flag_tree_switch_conversion only conditionally on optimize >= 2. * gcse.c: Assorted comment fixes in pass description. 2010-02-03 Anthony Green * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce nop padding in order to maintain alignment of storage location of target function address. (moxie_trampoline_init): Store target function address at newly aligned location. * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment to 32. (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding. 2010-02-03 Richard Guenther PR middle-end/42927 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification. 2010-02-03 Rainer Orth * config.gcc: Reenable check for obsolete targets. Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*, mips-sgi-irix6.[0-4]*. 2010-02-02 Nick Clifton * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum constant size of 4 as being the same as 0. * doc/invoke.texi (RX Options): Document that -mmax-constant-size can take values in the range 0..4. 2010-02-02 Jack Howarth PR java/41991 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction() as _darwin10_Unwind_FindEnclosingFunction(). * libgcc-libsystem.ver: New. 2010-02-01 Vladimir Makarov PR target/41399 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for implicitly set registers. 2010-02-01 Richard Earnshaw * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K. (arm_override_options): Allow automatic selection of the thread pointer register if thumb2. (legitimize_pic_address): Improve code sequences for Thumb2. (arm_call_tls_get_addr): Likewise. (legitimize_tls_address): Likewise. * arm.md (pic_load_addr_arm): Delete. Replace with ... (pic_load_addr_32bit): ... this. New named pattern. * thumb2.md (pic_load_addr_thumb2): Delete. (pic_load_dot_plus_four): Delete. (tls_load_dot_plus_four): New named pattern. 2010-02-01 Rainer Orth PR libgomp/29986 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry. Document fix for TLS bug. 2010-01-31 Richard Guenther * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be conservatively correct. 2010-01-31 John David Anglin PR target/42850 Revert: 2010-01-02 John David Anglin * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two. 2010-01-31 Kaveh R. Ghazi * doc/install.texi: Update recommended GMP/MPFR/MPC versions. 2010-01-31 Kai Tietz * config.gcc: Adjust order of makefile fragments for mingw targets. 2010-01-31 Richard Guenther PR middle-end/42898 * gimplify.c (gimplify_init_constructor): For volatile LHS initialize a temporary. 2010-01-31 Matthias Klose * configure.ac: Fix __stack_chk_fail check for cross builds configured --with-headers * configure: Regenerate. 2010-01-29 Eric Botcazou * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have the same alias set and their sizes different constantness. (aliasing_component_refs_p): Revert 2009-10-24 change. 2010-01-29 Rainer Orth * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl unused. 2010-01-29 Richard Guenther * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute. Assert we successfully updated the call. 2010-01-29 Jakub Jelinek PR rtl-optimization/42889 * df.h (df_set_bb_dirty_nonlr): New prototype. * df-core.c (df_set_bb_dirty_nonlr): New function. * df-scan.c (df_insn_rescan): Call it instead of df_set_bb_dirty for DEBUG_INSNs. 2010-01-29 Richard Guenther PR middle-end/37448 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid quadratic behavior in most cases. 2010-01-28 Uros Bizjak PR target/42891 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode in the call to gen_x86_movsicc_0_m1. 2010-01-28 Richard Guenther PR tree-optimization/42871 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders. 2010-01-28 Richard Guenther * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate into call arguments. 2010-01-28 Richard Guenther PR middle-end/42883 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove the forwarder if the destination is an EH landing pad. 2010-01-28 Razya Ladelsky * tree-parloops.c (transform_to_exit_first_loop): Update the basic block list passed to gimple_duplicate_sese_tail. (parallelize_loops): Avoid parallelization when the function has_nonlocal_label. Avoid parallelization when the preheader is IRREDUCIBLE. Try to optimize when estimated_loop_iterations_int is unresolved. Add the loop's location to the dump file. * tree-cfg.c (add_phi_args_after_redirect): Remove. (gimple_duplicate_sese_tail): Remove the check for the latch. Redirect nexits to the exit block. Remove handling of the incoming edges to the latch. Redirect the backedge from the copied latch to the exit bb. 2010-01-28 Michael Matz PR target/42881 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Wrap force_reg into a sequence, emit it before user. 2010-01-28 Stephen Thomas * config/arm/arm.md (bswapsi2): Add support for bswapsi2. (arm_rev): New. (arm_legacy_rev): Likewise. (thumb_legacy_rev): Likewise. 2010-01-27 Jakub Jelinek * dwarf2out.c (mem_loc_descriptor): Remove special casing of CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call on MEM's address failed, try avoid_constant_pool_reference and recurse if it returned something different. (loc_descriptor): If for MEM mem_loc_descriptor failed on the address, try avoid_constant_pool_reference and recurse if it returned something different. (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the address and avoid_constant_pool_reference returned something different, don't set have_address. 2010-01-27 Alexandre Oliva PR debug/42861 * var-tracking.c (val_store): Add modified argument, obey it. Adjust callers. (count_uses): Move down logging of main. (compute_bb_dataflow): Use val_store for MO_VAL_USEs that don't need resolution. (emit_notes_in_bb): Likewise. 2010-01-27 Richard Guenther PR middle-end/42878 * tree-inline.c (remap_decl): Delay remapping of SSA name default definitions until we need them. 2010-01-27 Jakub Jelinek * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine. (rs6000_delegitimize_address): New function. * config/s390/s390.c (s390_delegitimize_address): Call delegitimize_mem_from_attrs. PR middle-end/42874 * tree-inline.c (cannot_copy_type_1): Removed. (copy_forbidden): Don't forbid copying of functions containing records/unions with variable length fields. 2010-01-27 Christian Bruel Revert: PR target/42841 * config/sh/sh.c (find_barrier): Increase length for non delayed conditional branches. 2010-01-27 Matthias Klose * configure.ac (gnu-unique-object): Fix ldd version check. * configure: Regenerate. 2010-01-26 Rainer Orth * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for HAVE_GNU_AS value. * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION): Test for HAVE_GNU_AS value. 2010-01-26 Rainer Orth * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint. * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE): Define. (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define. (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE, INT_LEAST64_TYPE): Define. (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE, UINT_LEAST64_TYPE): Define. (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE) INT_FAST64_TYPE): Define. (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE, UINT_FAST64_TYPE): Define. (INTMAX_TYPE, UINTMAX_TYPE): Define. (INTPTR_TYPE, UINTPTR_TYPE): Define. (SIG_ATOMIC_TYPE): Define. 2010-01-26 Richard Guenther * df-scan.c (df_scan_set_bb_info): Remove assert. (df_insn_rescan_debug_internal): Merge asserts. (df_install_ref): Likewise. (df_mark_reg): Use bitmap_set_range. (df_hard_reg_used_p): Remove assert. (df_hard_reg_used_count): Likewise. 2010-01-26 Richard Guenther PR rtl-optimization/42685 * web.c (web_main): Ignore DEBUG_INSNs. 2010-01-26 Joern Rennecke * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments. (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter. Fix types of fndecl and arglist parameters. 2010-01-26 Richard Guenther PR middle-end/42806 * tree-eh.c (unsplit_eh): Skip debug insns. 2010-01-26 Richard Guenther PR tree-optimization/42250 * ipa-type-escape.c (type_escape_execute): Do not analyze clones. 2010-01-26 Jakub Jelinek PR fortran/42866 * omp-low.c (expand_omp_sections): Only use single_pred if l2_bb is single_pred_p. 2010-01-25 Christian Bruel PR target/42841 * config/sh/sh.c (find_barrier): Increase length for non delayed conditional branches. (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P. 2010-01-24 David S. Miller * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only define if not using GAS. * config/sparc/sparc.c (sparc_elf_asm_named_section): Likewise. Delete SECTION_MERGE code, which is only applicable when using GAS. 2010-01-24 Mark Mitchell PR c++/42748 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to mangling of va_list in system headers. 2010-01-23 Toon Moene * tree-predcom.c (combine_chains): Return NULL, not false. 2010-01-23 Joern Rennecke * tree-loop-distribution.c (distribute_loop): Fix declaration and initialization of variable res to agree with return type. 2010-01-22 Steve Ellcey * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency. * tree-sra.c: Add include of expr.h. 2010-01-22 Jakub Jelinek * tree-into-ssa.c (maybe_register_def): If stmt ends the bb, insert the debug stmt on the single non-EH edge from the stmt. 2010-01-22 Richard Henderson PR tree-opt/42833 * tree-sra.c (sra_modify_assign): Delay re-gimplification of the RHS until after generate_subtree_copies has insertted its code before the current statement. 2010-01-22 Joern Rennecke * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type. * gcc-plugin.h (plugin_init): Use "C" likage for c++. 2010-01-21 Martin Jambor PR tree-optimization/42585 * tree-sra.c (struct access): New field grp_total_scalarization. (dump_access): Dump the new field. (should_scalarize_away_bitmap): New variable. (cannot_scalarize_away_bitmap): Likewise. (sra_initialize): Allocate new bitmaps. (sra_deinitialize): Free new bitmaps. (create_access_1): New function. (create_access): Parts moved to create_access_1. (type_consists_of_records_p): New function. (completely_scalarize_record): Likewise. (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap. (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap. (sort_and_splice_var_accesses): Hint groups with a total_scalarization access. (analyze_all_variable_accesses): Completely scalarize small eligible records. 2010-01-21 Martin Jambor * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields. 2010-01-21 Andrew Haley * gcc.c (process_command): Move lang_specific_driver before setting cc_libexec_prefix. 2010-01-21 Richard Guenther PR middle-end/19988 * fold-const.c (negate_expr_p): Pretend only negative real constants are easily negatable. 2010-01-20 Janis Johnson Jason Merrill * tree.h (TYPE_TRANSPARENT_UNION): Replace with ... (TYPE_TRANSPARENT_AGGR): this, for union and record. * calls.c (initialize argument_information): Handle it. * c-common.c (handle_transparent_union_attribute): Use new name. * c-decl.c (finish_struct): Ditto. * c-typeck.c (type_lists_compatible_p): Ditto. (convert_for_assignment): Use new name and also handle record. * function.c (aggregate_value_p): Handle it. (pass_by_reference): Ditto. (assign_parm_data_types): Ditto. * print-tree.c (print_node): Ditto. * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto. * lto-streamer-out.c (pack_ts_type_value_fields): Ditto. * tree.c (first_field): New fn. 2010-01-21 Dave Korn PR target/42818 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers, even when linking statically, for now. 2010-01-20 Alexandre Oliva PR debug/42715 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set without a cselib val. (count_uses): Accept MO_VAL_SET with no val on stores. (add_stores): Likewise. 2010-01-20 Jakub Jelinek * var-tracking.c (check_value_val): Add a compile time assertion. (dv_is_decl_p): Simplify. (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use gcc_assert if ENABLE_CHECKING. 2010-01-20 Alexandre Oliva PR debug/42782 * var-tracking.c: Include tree-flow.h. (mem_dies_at_call): New. (dataflow_set_preserve_mem_locs): Use it. (dataflow_set_remove_mem_locs): Likewise. (dump_var): Renamed from dump_variable. Adjust all callers. (dump_var_slot): Renamed from dump_variable_slot. Likewise. * Makefile.in (var-tracking.o): Adjust deps. 2010-01-20 Joern Rennecke * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list. 2010-01-20 Richard Guenther PR tree-optimization/42717 * tree-ssa-dce.c (get_live_post_dom): Remove. (forward_edge_to_pdom): Take an arbitrary edge to copy degenerate PHI args from. (remove_dead_stmt): Use the first post-dominator even if it does not contain live statements as redirection destination. 2010-01-20 Richard Guenther * tree-inline.c (estimate_num_insns): Handle EH builtins. 2010-01-20 Jakub Jelinek * sel-sched.c (create_speculation_check): Remove set but not used variable twin. (try_transformation_cache): Remove set but not used variable ds. (calculate_privileged_insns): Remove set but not used variables cur_insn and min_spec_insn. (find_best_expr): Remove set but not used variable avail_n. * tree-predcom.c (base_names_in_chain_on): Remove set but not used variable e. * cgraphunit.c (assemble_thunk): Remove set but not used variable false_label. * haifa-sched.c (remove_notes): Remove set but not used variable prev. * graphite-clast-to-gimple.c (gloog): Remove set but not used variable new_scop_exit_edge. 2010-01-20 Felyza Wishbringer PR bootstrap/42786 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx cpu types. Add support for *-sse3 cpu types. (x86_64-*-*): Ditto. 2010-01-20 Jakub Jelinek PR middle-end/42803 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE argument, call initializer_constant_valid_p_1 instead of initializer_constant_valid_p, pass CACHE to it, return NULL immediately if first call returns NULL. (initializer_constant_valid_p_1): New function. (initializer_constant_valid_p): Use it. 2010-01-20 Thomas Quinot * tree.def (PLACEHOLDER_EXPR): Fix comment. 2010-01-20 Jakub Jelinek * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}. (loc_list_from_tree): Don't handle unsigned division. Handle signed modulo using DW_OP_{over,over,div,mul,minus}. * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned modulo instead of signed. 2010-01-20 DJ Delorie * config/h8300/h8300.c (F): Add "in_epilogue" flag. (Fpa): Pass it (h8300_emit_stack_adjustment): Propogate it. (push): Pass it. (h8300_expand_prologue): Likewise. (h8300_expand_epilogue): Likewise. 2010-01-19 Michael Matz PR tree-optimization/41783 * tree-data-ref.c (toplevel): Include flags.h. (dump_data_dependence_relation): Also dump the inputs if the result will be unknown. (split_constant_offset_1): Look through some conversions. * tree-predcom.c (determine_roots_comp): Restart a new chain if the offset from last element is too large. (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF. (reassociate_to_the_same_stmt): Handle vector registers. * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations (e.g. conversions). * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add wide_prolog_niters argument, emit widening instructions. (vect_do_peeling_for_alignment): Adjust caller, use widened variant of the iteration cound. * Makefile.in (tree-data-ref.o): Add $(FLAGS_H). 2010-01-19 Ramana Radhakrishnan PR target/38697 * config/arm/neon-testgen.m (emit_automatics): New parameter features. Adjust for Fixed_return_reg feature. (test_intrinsic): Call emit_automatics with new feature. * config/arm/neon.ml: Update copyright years. (features): New Fixed_return_reg feature. (ops): Update feature for Vget_low. 2010-01-19 Jakub Jelinek PR tree-optimization/42719 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug stmt uses. PR debug/42728 * fwprop.c (all_uses_available_at): Return false if def_set dest is a REG that is used in def_insn. 2010-01-19 Joern Rennecke * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names. (TARGET_CC_MODES_COMPATIBLE): Put return value in braces. Add argument names. (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language. * target.h (struct gcc_target) : Change type of last argument to secondary_reload_info *. 2010-01-18 Uros Bizjak PR target/42774 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for memory references with unaligned offsets. Remove CQImode handling. (unaligned_memory_operand): Return 1 for memory references with unaligned offsets. Remove CQImode handling. 2010-01-18 Richard Guenther PR middle-end/39954 * cfgexpand.c (expand_call_stmt): TER pointer arguments in builtin calls. 2010-01-18 Richard Guenther PR tree-optimization/42781 * tree-ssa-structalias.c (find_what_var_points_to): Skip restrict processing only if the original variable was artificial. 2010-01-18 Joern Rennecke * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to find number of popped argument bytes. (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces. Fix the text that describes the return value for invalid insns. (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list. (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types. Clarify what 'cost of the -dependence' is. Fix quoting. * toplev.c (default_get_pch_validity): Rename argument to "sz". * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise. 2010-01-17 Jakub Jelinek * dwarf2out.c (mem_loc_descriptor): Don't ICE on {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}. 2010-01-17 Richard Guenther PR middle-end/42248 * function.c (split_complex_args): Take a VEC to modify. (assign_parms_augmented_arg_list): Build a VEC instead of a chain of PARM_DECLs. (assign_parms_unsplit_complex): Take a VEC of arguments. Do not fixup unmodified parms. (assign_parms): Deal with the VEC. (gimplify_parameters): Likewise. 2010-01-17 Richard Guenther * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI node existence check. * tree-vect-loop.c (vect_analyze_loop_form): Likewise. * tree-cfgcleanup.c (merge_phi_nodes): Likewise. * tree-ssa-dce.c (forward_edge_to_pdom): Likewise. * tree-cfg.c (gimple_execute_on_growing_pred): Likewise. (gimple_execute_on_growing_pred): Likewise. 2010-01-17 Richard Guenther PR tree-optimization/42773 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence. (compute_antic_aux): Likewise. (compute_partial_antic_aux): Likewise. 2010-01-17 Jie Zhang PR debug/42767 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE and US_TRUNCATE. 2010-01-17 Joern Rennecke * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of appearance. (TARGET_LEGITIMATE_ADDRESS_P): Add return type. Fix markup for strict argument. (TARGET_SCHED_REORDER2): Fix argument types. (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type. (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise. (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name. (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise. (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Add argument name. (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation. (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise. (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise. (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise. (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise. (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo. (TARGET_SCHED_GEN_SPEC_CHECK): Fix name. (TARGET_ASM_RELOC_RW_MASK): Add return type. (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type. (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter. (TARGET_ASM_FILE_START): Put @findex before paragraph start. Use prototype. (TARGET_ASM_NAMED_SECTION): Fix argument list. (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr. (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise. (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr. (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types. (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup referring to it. Fix language. (TARGET_HAVE_CTORS_DTORS): Use @deftypevr. (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument. (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types. (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument. (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and '@var{stream}. Remove stray 'and'. (TARGET_ARM_EABI_UNWINDER): Use @deftypevr. (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument. (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article. (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P. (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces. Fix description of return value. Rename argument "sz" to "len." (TARGET_CXX_GUARD_MASK_BIT): Add missing article. Clarify meaning of 'true' return value. (TARGET_SHIFT_TRUNCATION_MASK): Fix return type. (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of rep_mode versus mode_rep. (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document. (TARGET_BUILTIN_DECL): Fix name. (TARGET_COMMUTATIVE_P): Fix type of first argument. (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL. (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type. (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook. (TARGET_RELAXED_ORDERING): Use @deftypevr. (TARGET_GET_DRAP_RTX): Note that this is a hook. Clarify language. (TARGET_BUILTIN_RECIPROCAL): Fix argument types. Rename argument tm_fn to md_fn. (TARGET_OPTION_PRINT): Fix argument list. 2010-01-16 Harsha Jagasia PR target/42664 * config/i386/i386.c (ix86_fixup_binary_operands): Revert FMA4 fixup of operands. 2010-01-16 Ralf Wildenhues PR gcc/42525 * Makefile.in (write_entries_to_file, install-plugin): Use \012 instead of \n with tr. 2010-01-16 Richard Sandiford * configure.ac (HAVE_AS_REF): New C macro. * configure: Regenerate. * config.in: Likewise. * collect2.c (main): Only postpone SCAN_DWEH to the second pass if HAVE_AS_REF. * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define if HAVE_AS_REF. 2010-01-16 Joern Rennecke * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types. (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types. (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types. (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces. (TARGET_IN_SMALL_DATA_P): Fix argument type. (TARGET_BINDS_LOCAL_P): Fix argument type. (TARGET_ASM_FILE_END): Use prototype. (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces. (TARGET_DWARF_CALLING_CONVENTION): Fix argument type. (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types. (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type. (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces. (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise. (TARGET_PCH_VALID_P): Put 'const char *' in braces. (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise. (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces. (TARGET_ADDR_SPACE_SUBSET_P): Likewise. (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces. (TARGET_ADDR_SPACE_CONVERT): Likewise. (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces. (TARGET_MACHINE_DEPENDENT_REORG: Use prototype. (TARGET_INIT_BUILTINS): Use prototype. (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): Put 'const char *' in braces. Fix parameter types. (TARGET_INVALID_CONVERSION): Fix parameter types. (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise. (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise. (TARGET_PROMOTED_TYPE): Remove braces around 'tree'. Fix argument type. (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'. (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'. 2010-01-15 Joern Rennecke * doc/tm.texi (TARGET_HELP): Fix return type. (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode' in braces. Fix argument types. (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype. (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype. (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type. (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces. (TARGET_FIXED_POINT_SUPPORTED_P): Likewise. (TARGET_MANGLE_TYPE): Fix argument types. (TARGET_IRA_COVER_CLASSES): Use prototype. (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype. (TARGET_CAN_ELIMINATE): Use identifiers for argument names. (TARGET_PROMOTE_PROTOTYPES): Fix argument type. (TARGET_MUST_PASS_IN_STACK): Fix argument type. (TARGET_CALLEE_COPIES): Fix argument types. (TARGET_SPLIT_COMPLEX_ARG): Fix argument type. (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types. (TARGET_FUNCTION_VALUE): Fix argument types. (TARGET_RETURN_IN_MSB): Fix argument type. (TARGET_RETURN_IN_MEMORY): Fix argument types. (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types. (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type. (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text agree with return type. (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype. 2010-01-15 Jing Yu PR rtl-optimization/42691 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set a pseudo to a constant and are merged, and adjust comments. 2010-01-15 Eric Botcazou * config/i386/sse.md (avx_vperm2f1283): Fix typo. 2010-01-15 Richard Guenther PR middle-end/42739 * tree-cfgcleanup.c (remove_forwarder_block): Move destination labels of computed or non-local gotos to the destination. * tree-cfg.c (gimple_verify_flow_info): Verify that a EH landing pad label is the first label. 2010-01-15 Richard Guenther * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru. 2010-01-14 Michael Meissner PR target/42747 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn to allow generation of the xssqrtdp instruction on power7. (sqrtdf2_fpr): Ditto. 2010-01-14 Jakub Jelinek PR middle-end/42674 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in functions with noreturn attribute. PR c++/42608 * varasm.c (declare_weak): Add weak attribute to decl if it doesn't have one already. (assemble_external): Only add decls to weak_decls if they also have weak attribute. 2010-01-14 Alexandre Oliva * var-tracking.c (var_reg_delete): Don't delete the association between REGs and values or one-part variables if the register isn't clobbered. 2010-01-14 Jakub Jelinek PR debug/42657 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just because its first operand is a non-localized variable. 2010-01-14 Martin Jambor PR tree-optimization/42706 * tree-sra.c (encountered_recursive_call): New variable. (encountered_unchangable_recursive_call): Likewise. (sra_initialize): Initialize both new variables. (callsite_has_enough_arguments_p): New function. (scan_function): Call decl and flags check only for IPA-SRA, check whether there is a recursive call and whether it has enough arguments. (all_callers_have_enough_arguments_p): New function. (convert_callers): Look for recursive calls only when encountered_recursive_call is set. (ipa_early_sra): Bail out either if !all_callers_have_enough_arguments_p or encountered_unchangable_recursive_call. 2010-01-14 Alexander Monakov * sel-sched.c: Add 2010 to copyright years. * sel-sched-ir.c: Likewise. * sel-sched-ir.h: Likewise. 2010-01-14 Martin Jambor PR tree-optimization/42714 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type constructors specially. 2010-01-14 Andi Kleen * config/i386/drivers-i386.c (detect_caches_intel): Add l2sizekb parameter and fill in. (host_detect_local_cpu): Add l2sizekb, fill in. Add Atom small cache heuristic. 2010-01-14 Andi Kleen * config/i386/drivers-i386.c (detect_caches_cpuid4): Add level3 parameter and fill in. (detect_caches_intel): Handle level3 cache. 2010-01-14 Andi Kleen * config/i386/drivers-i386.c (host_detect_local_cpu): Fix core duo detection. 2010-01-14 Andi Kleen * config/i386/drivers-i386.c (host_detect_local_cpu): Fix Atom detection. 2010-01-14 Alexander Monakov * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to... (rs6000_variable_issue_1): this. Use... (rs6000_variable_issue): here. Reimplement. Print debug info. 2010-01-14 Alexander Monakov * sel-sched-ir.c (sel_restore_other_notes): Rename to sel_restore_notes. Update all callers. Call reemit_notes for all insns. 2010-01-14 Andrey Belevantsev PR rtl-optimization/42246 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner loops. 2010-01-14 Andrey Belevantsev * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of all successors is the same as number of successors in current region. 2010-01-14 Alexander Monakov * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression to rename is not separable. Otherwise check that its LHS is not NULL. 2010-01-14 Alexander Monakov * sel-sched.c (choose_best_reg_1): Loop over all regs for mode. 2010-01-14 Alexander Monakov * sel-sched.c (mark_unavailable_hard_regs): Do not try to search available registers when failed to discover LHS register class. Fix indentation. Update comment. 2010-01-14 Andrey Belevantsev Alexander Monakov PR rtl-optimization/42389 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE to can_issue_more. (advance_state_on_fence): Likewise. (sel_target_adjust_priority): Print debug output only when sched_verbose >= 4, not 2. (get_expr_cost): Do not issue all unique insns on the next cycle. (fill_insns): Initialize can_issue_more from the value saved with the fence. * sel-sched-ir.c (flist_add): New parameter issue_more. Init FENCE_ISSUE_MORE with it. (merge_fences): Likewise. (init_fences): Update call to flist_add. (add_to_fences, add_clean_fence_to_fences) (add_dirty_fence_to_fences): Likewise. (move_fence_to_fences): Update call to merge_fences. (invoke_reorder_hooks): Do not reset can_issue_more on insns from sched groups. * sel-sched-ir.h (struct _fence): New field issue_more. (FENCE_ISSUE_MORE): New accessor macro. 2010-01-14 Andrey Belevantsev PR rtl-optimization/42388 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks that have no predecessors nor successors. Do not call move_bb_info for empty blocks outside of current region. 2010-01-14 Alexander Monakov PR rtl-optimization/42294 * sel-sched-ir.h (struct _sel_insn_data): Update comment. * sel-sched.c (move_exprs_to_boundary): Transitively add all originators' originators. 2010-01-14 Alexander Monakov PR rtl-optimization/39453 PR rtl-optimization/42246 * sel-sched-ir.c (considered_for_pipelining_p): Do not test for pipelining_p. (sel_add_loop_preheaders): Add preheader to last_added_blocks. 2010-01-14 Andrey Belevantsev Alexander Monakov PR middle-end/42245 * sel-sched-ir.c (sel_recompute_toporder): New. Use it... (maybe_tidy_empty_bb): ... here. Make static. Add new argument. Update all callers. (tidy_control_flow): ... and here. Recompute topological order of basic blocks in region if necessary. (sel_redirect_edge_and_branch): Change return type. Return true if topological order might have been invalidated. (purge_empty_blocks): Export and move from... * sel-sched.c (purge_empty_blocks): ... here. * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype. (maybe_tidy_empty_bb): Delete prototype. (purge_empty_blocks): Declare. 2010-01-14 Andrey Belevantsev PR rtl-optimization/42249 * sel-sched.c (try_replace_dest_reg): When chosen register and original register is the same, do not bail out early, but still check all original insns for validity of replacing destination register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function in this case. 2010-01-14 Jakub Jelinek PR c/42721 Port from no-undefined-overflow branch: 2009-03-09 Richard Guenther * fold-const.c (add_double_with_sign): Fix unsigned overflow detection. 2010-01-14 Richard Guenther PR lto/42665 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node. 2010-01-14 Ira Rosen PR tree-optimization/42709 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type as scalar type in creation of constant vector operand. 2010-01-14 Ralf Wildenhues PR testsuite/42414 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%) (check-parallel-%): Match `testsuite' directory component only at the end. 2010-01-14 Shujing Zhao PR translation/39521 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs strings with _(). 2010-01-13 Richard Guenther PR tree-optimization/42730 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for offset zero. 2010-01-13 Steve Ellcey PR target/pr42542 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT for V2SI by subtracting (-(INT MAX) - 1) from both operands to make them signed. 2010-01-13 Bernd Schmidt * config/bfin/libgcc-bfin.ver: Regenerate based on current libgcc-std.ver. Add entries for ___smulsi3_highpart and ___umulsi3_highpart. * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling rather than schedule_insns if the pass is enabled. 2010-01-13 Martin Jambor PR tree-optimization/42704 * tree-sra.c (sra_modify_assign): Do not delete assignments to SSA_NAMEs. 2010-01-13 Martin Jambor PR tree-optimization/42703 * tree-sra.c (analyze_access_subtree): Check that we can build a reference to the original data within the aggregate. 2010-01-13 Richard Guenther PR tree-optimization/42705 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels. 2010-01-13 Richard Guenther PR middle-end/42716 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs. 2010-01-13 Jakub Jelinek PR debug/41371 * var-tracking.c (values_to_unmark): New variable. (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in values_to_unmark vector. Moved body to... (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO, instead queue it into values_to_unmark vector. (vt_find_locations): Free values_to_unmark vector. 2010-01-13 Wolfgang Gellerich * config/s390/s390.c (override_options): Set default of max-pending-list-length to 256 2010-01-13 Richard Guenther PR lto/42678 * tree-pass.h (PROP_gimple_lcx): New. * cfgexpand.c (pass_expand): Require PROP_gimple_lcx. * passes.c (init_optimization_passes): Move pass_lower_complex_O0 before the final cleanup_eh. (dump_properties): Dump PROP_gimple_lcx. * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx. (tree_lower_complex_O0): Remove. (gate_no_optimization): Run if PROP_gimple_lcx is not set. (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run tree_lower_complex, schedule TODO_update_ssa. * lto-streamer-out.c (output_function): Stream the functions properties. * lto-streamer-in.c (input_function): Likewise. (lto_read_body): Do not override them here. 2010-01-12 Joseph Myers PR c/42708 * c-typeck.c (build_c_cast): Fold value cast to union type before wrapping it in a CONSTRUCTOR. 2010-01-12 Jakub Jelinek PR rtl-optimization/42699 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are involved. 2010-01-12 Rainer Orth * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC, SUBTARGET_WARN_UNUSED_SPEC): Move ... config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC, SUBTARGET_WARN_UNUSED_SPEC): ... here * config/mips/iris5.h (LIBGCC_SPEC): Define. 2010-01-12 Julian Brown * config/arm/neon-schedgen.ml (Utils): Don't try to open missing module. (find_with_result): New. 2010-01-12 Jakub Jelinek PR debug/42662 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx sharing when canonicalizing ({lt,ge}u (plus a b) b). PR tree-optimization/42645 * tree-inline.c (processing_debug_stmt): Move earlier. Make static. (remap_ssa_name): If processing_debug_stmt and name wasn't found in decl_map, set processing_debug_stmt to -1 and return name without any remapping. 2010-01-11 Dave Korn * doc/install.texi (Specific#x-x-cygwin): Document minimum required binutils version, and reword target configuration description. 2010-01-11 Andy Hutchinson * config/avr/avr.h (LINKER_NAME): Remove. 2010-01-11 Janis Johnson PR target/42416 * config/rs6000/rs6000.c (rs6000_override_options): On targets that support VSX, warn for -mno-altivec if vsx is not disabled, and disable vsx. 2010-01-11 Joseph Myers Shujing Zhao PR translation/42469 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=, fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab character between option name and help text. * c.opt (imultilib): Likewise. 2010-01-10 Rafael Avila de Espindola * lto-streamer-out.c (output_unreferenced_globals): Output static variables. 2010-01-10 Steven Bosscher PR rtl-optimization/42621 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not optimizing for size. (duplicate_computed_gotos): Remove now-redundant check. 2010-01-10 Steve Ellcey PR target/37454 * configure.ac: Save and restore LDFLAGS and LIBS * configure: Regenerate. 2010-01-10 Richard Guenther PR middle-end/42667 * builtins.c (fold_builtin_strlen): Add type argument and convert the resulting length to it. (fold_builtin_1): Adjust. 2010-01-09 Jakub Jelinek * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by 1 insn. (num_insns_constant_wide): Adjust for that change. 2010-01-09 Alexandre Oliva PR debug/42631 * web.c (union_defs): Add used argument, to combine uses of uninitialized regs. (entry_register): Adjust type and tests of used argument. (web_main): Widen used for new use. Pass it to union_defs. * df.h (union_defs): Adjust prototype. 2010-01-09 Alexandre Oliva PR debug/42630 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug uses in new incoming argument. Free body. (reset_debug_uses_in_loop): New. (analyze_insn_to_expand_var): Call the latter if the former found anything. Fix whitespace. Reject invalid dest overlaps before going through all insns in the loop. 2010-01-09 Alexandre Oliva PR debug/42629 * haifa-sched.c (dying_use_p): Debug insns don't count. 2010-01-09 Alexandre Oliva PR middle-end/42363 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls. * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice. (verify_gimple_call): Reject LHS in noreturn calls. 2010-01-09 Alexandre Oliva PR debug/42604 PR debug/42395 * tree-vect-loop-manip.c (adjust_info): New type. (adjust_vec): New pointer to vector. (adjust_debug_stmts_now, adjust_vec_debug_stmts): New. (adjust_debug_stmts, adjust_phi_and_debug_stmts): New. (slpeel_update_phis_for_duplicate_loop): Use them. (slpeel_update_phi_nodes_for_guard1): Likewise. (slpeel_update_phi_nodes_for_guard2): Likewise. (slpeel_tree_peel_loop_to_edge): Likewise. (vect_update_ivs_after_vectorizer): Likewise. 2010-01-09 Alexandre Oliva * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren. (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise. 2010-01-09 Alexandre Oliva * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence bogus uninitialized warning. 2010-01-09 Richard Guenther PR middle-end/42512 * tree-scalar-evolution.c (interpret_loop_phi): Make sure the evolution is compatible with the initial condition. 2010-01-09 Jakub Jelinek * 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. 2010-01-08 Andy Hutchinson PR target/41885 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check. (rotlhi3): Delete. (rotlhi3_8): Delete. (rotlsi3): Delete. (rotlsi3_8): Delete. (rotlsi3_16): Delete. (rotlsi3_24): Delete. (rotl3): New. (*rotw3): New. (*rotb3): New. * config/avr/avr.c (avr_rotate_bytes): New function. * config/avr/avr-proto.h (avr_rotate_bytes): New function. 2010-01-08 Steve Ellcey PR target/37454 * configure.ac: Modify -rdynamic check. * configure: Regenerate. 2010-01-08 DJ Delorie * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler register popping order. 2010-01-08 Richard Guenther PR lto/42528 * c.opt (fsigned-char): Also let LTO handle this option. (funsigned-char): Likewise. 2010-01-07 Richard Guenther * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING. (gimple_op): Likewise. (gimple_op_ptr): Likewise. (gimple_assign_set_lhs): Remove gcc_assert. (gimple_assign_set_rhs1): Likewise. (gimple_assign_set_rhs2): Likewise. (gimple_call_set_lhs): Likewise. (gimple_call_set_fn): Likewise. (gimple_call_set_fndecl): Likewise. (gimple_call_fndecl): Likewise. (gimple_call_return_type): Likewise. (gimple_call_set_chain): Likewise. (gimple_call_num_args): Likewise. (gimple_call_set_arg): Likewise. (gimple_cond_set_code): Likewise. (gimple_cond_set_lhs): Likewise. (gimple_cond_set_rhs): Likewise. (gimple_cond_set_true_label): Likewise. (gimple_cond_set_false_label): Likewise. (gimple_label_set_label): Likewise. (gimple_goto_set_dest): Likewise. (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING. (gimple_debug_bind_get_value): Likewise. (gimple_debug_bind_get_value_ptr): Likewise. (gimple_debug_bind_set_var): Likewise. (gimple_debug_bind_set_value): Likewise. (gimple_debug_bind_reset_value): Likewise. (gimple_debug_bind_has_value_p): Likewise. (gimple_return_retval_ptr): Remove gcc_assert. (gimple_return_retval): Likewise. (gimple_return_set_retval): Likewise. * tree-flow.h (struct gimple_df): Remove nonlocal_all member. (safe_referenced_var_iterator): Remove. (FOR_EACH_REFERENCED_VAR_SAFE): Likewise. * tree-flow-inline.h (gimple_nonlocal_all): Remove. (fill_referenced_var_vec): Remove. (first_readonly_imm_use): Remove redundant gcc_assert. (phi_arg_index_from_use): Combine gcc_asserts. (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING. (first_imm_use_stmt): Remove redundant gcc_assert. * tree-cfg.c (verify_gimple_call): Verify function and chain operands. Verify arguments. (verify_types_in_gimple_stmt): Verify condition code and labels. 2010-01-07 Richard Guenther PR tree-optimization/42641 * sese.c (rename_map_elt_info): Use the SSA name version, do not hash pointers. 2010-01-07 Jakub Jelinek PR tree-optimization/42625 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*, TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases. 2010-01-07 Duncan Sands * Makefile.in (PLUGIN_HEADERS): Add version.h. 2010-01-07 Uros Bizjak PR target/42511 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when note itself is not function_invariant_p. 2009-01-07 Steven Bosscher * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist): Do not add the DF_NOTE problem. * store-motion.c (execute_rtl_store_motion): Likewise. 2010-01-07 Martin Jambor PR tree-optimization/42157 * tree-sra.c (compare_access_positions): Stabilize sort if both accesses have integer types, return zero immediately if they are the same. 2010-01-06 Richard Henderson PR middle-end/41883 * haifa-sched.c (add_to_note_list): Merge into ... (concat_note_lists): ... here, and ... (unlink_other_notes, rm_other_notes): Merge into... (remove_notes): ... here. Create REG_SAVE_NOTEs for NOTE_INSN_EPILOGUE_BEG. 2010-01-06 Richard Guenther * ipa-inline.c (cgraph_decide_inlining_incrementally): Do not inline regular functions into always-inline functions. 2010-01-06 Nick Clifton * config/rx/rx.h (enum rx_cpu_type): Add RX200. (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are used together. (OVERRIDE_OPTIONS): Delete. (OPTIMIZATION_OPTIONS): Define. (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option. * config/rx/rx.c (rx_handle_option): Issue an error message if -mcpu=rx200 and -fpu are used together. (rx_set_optimization_options): New function. Issue an error message if an optimization attribute attempts to reset the FPU/ math optimization pairing. * config/rx/rx-protos.h (rx_set_optimization_options): Prototype. * config/rx/rx.opt: Set the default to 32-bit doubles. * config/rx/t-rx: Add multilibs for -nofpu option. * doc/invoke.texi: Update documentation of RX options. 2010-01-06 Richard Guenther * tree-ssa-pre.c (name_to_id): New global. (alloc_expression_id): Simplify SSA name handling. (lookup_expression_id): Likewise. (init_pre): Zero name_to_id. (fini_pre): Free it. 2010-01-06 Uros Bizjak * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM. 2010-01-05 H.J. Lu PR target/42542 * config/i386/sse.md (smaxv2di3): New. (umaxv2di3): Likewise. (sminv2di3): Likewise. (uminv2di3): Likewise. 2010-01-05 Eric Botcazou PR target/42564 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete. * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise. (legitimize_tls_address): Likewise. (sparc_tls_referenced_p): Likewise. * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address and adjust calls to legitimize_pic_address. (legitimate_constant_p) Use sparc_tls_referenced_p. (legitimate_pic_operand_p): Likewise. (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P. (sparc_tls_symbol_ref_1): Delete. (sparc_tls_referenced_p): Make static, recognize specific patterns. (legitimize_tls_address): Make static, handle CONST patterns. (legitimize_pic_address): Make static, remove unused parameter and adjust recursive calls. (sparc_legitimize_address): Make static, use sparc_tls_referenced_p and adjust call to legitimize_pic_address. (sparc_output_mi_thunk): Likewise. 2010-01-05 Paolo Bonzini H.J. Lu PR target/42542 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both operands to make them signed. Revert: 2010-01-04 H.J. Lu PR target/42542 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert GTU to GT for V4SI and V2DI. * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP. (umin3): Removed. (uminv8hi3): New. (uminv4si3): Likewise. 2010-01-05 Martin Jambor PR tree-optimization/42462 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of current_function_decl to helper functions and macros. 2010-01-05 Rainer Orth PR bootstrap/41771 * flags.h: Don't include real.h. (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): Move ... * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here. * dominance.c: Update copyright. * gimple.c (walk_gimple_op): Remove inline. * tree-ssa-reassoc.c: Include real.h. * Makefile.in (FLAGS_H): Remove $(REAL_H). (tree-ssa-reassoc.o): Depend on $(REAL_H). 2010-01-05 Nick Clifton * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second register to push into the stack frame when the accumulator has to be saved during interrupts. 2010-01-05 Eric Fisher * doc/invoke.texi: Remove the documentation about option -Wunreachable-code. * common.opt (Wunreachable-code): Preserved for backward compatibility. * tree-cfg.c: Remove the implementation of -Wunreachable-code. * opts.c (common_handle_option): Add OPT_Wunreachable_code to the backward compatibility flag section. 2010-01-05 Richard Guenther * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize. 2010-01-05 Jakub Jelinek PR other/42611 * cfgexpand.c (expand_one_var): Diagnose too large variables. PR tree-optimization/42508 * tree-sra.c (convert_callers): Check for recursive call by comparing cgraph nodes instead of decls. (modify_function): Call ipa_modify_formal_parameters also on all same_body aliases. * cgraphunit.c (cgraph_materialize_all_clones): Compare cgraph nodes when checking for same_body aliases. 2010-01-05 Richard Guenther * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant allocation and lookup. (get_or_alloc_expr_for_constant): Likewise. (phi_translate): Sink allocation. 2010-01-04 Richard Guenther * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate a new entry only if needed. * tree-ssa-dom.c (lookup_avail_expr): Likewise. * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one hashtable lookup. * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate the result array. (phi_translate): Handle CONSTANTs early. 2010-01-04 Martin Jambor PR tree-optimization/42398 * tree-sra.c (struct access): Removed flag grp_different_types. (dump_access): Do not dump the removed flag. (sort_and_splice_var_accesses): Do not set the removed flag. (sra_modify_expr): Check for type compatibility directly. 2010-01-04 Martin Jambor PR tree-optimization/42366 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on edges with variable number of parameters. * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done flag instead of asserting it. (ipa_read_node_info): Read uses_analysis_done flag. 2010-01-04 Richard Guenther * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use iterative_hash_* as intended. (vn_reference_compute_hash): Likewise. Simplify hashing SSA names. (vn_reference_lookup_2): Likewise. (vn_nary_op_compute_hash): Likewise. (vn_phi_compute_hash): Likewise. (expressions_equal_p): Remove strange code. * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable (). (pre_expr_hash): Likewise. Simplify hashing SSA names. (bitmap_insert_into_set_1): Take value-id as parameter. (add_to_value): Pass it. (bitmap_insert_into_set): Likewise. (bitmap_value_insert_into_set): Likewise. Remove redundant check. 2010-01-04 Jakub Jelinek PR driver/42442 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define. (do_self_spec): For switches with SWITCH_IGNORE set set also SWITCH_IGNORE_PERMANENTLY. (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead of SWITCH_IGNORE. 2010-01-04 Rafael Avila de Espindola * lto-streamer-out.c (output_unreferenced_globals): Output the full tree of an unreferenced global var. 2010-01-04 H.J. Lu PR target/42542 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert GTU to GT for V4SI and V2DI. * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP. (umin3): Removed. (uminv8hi3): New. (uminv4si3): Likewise. 2010-01-04 H.J. Lu PR lto/42581 * collect2.c (main): Turn on trace in collect2 if -v is passed to gcc with LTO. 2010-01-03 Jerry Quinn * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update description of expression operand. 2010-01-03 Andrew Jenner * configure.ac: Add install-html to target_list for Make-hooks. * configure: Regenerate. * fortran/Make-lang.in (F95_HTMLFILES): New. (fortran.html): Use it. (fortran.install-html): New. * Makefile.in (install-html): Add lang.install-html. * java/Make-lang.in (JAVA_HTMLFILES): New. (java.html): Use it. (java.install-html): New. * objc/Make-lang.in (objc.install-html): New. * objcp/Make-lang.in (obj-c++.install-html): New. * cp/Make-lang.in (c++.install-html): New. * ada/gcc-interface/Make-lang.in (ada.install-html): New. * lto/Make-lang.in (lto.install-html): New. 2010-01-03 H.J. Lu PR lto/42520 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt. 2009-01-03 Steven Bosscher PR rtl-optimization/41862 * store-motion.c (store_killed_in_insn, compute_store_table, remove_reachable_equiv_notes, replace_store_insn, build_store_vectors): Ignore all DEBUG_INSNs. 2010-01-03 H.J. Lu PR lto/41564 * common.opt: Add dumpdir. * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase isn't specified. (option_map): Add --dumpdir. * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir. * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o. * opts.c (decode_options): Try dump_dir_name first if dump_base_name isn't an absolute path. (common_handle_option): Handle OPT_dumpdir. * toplev.c (dump_dir_name): New. (print_switch_values): Also ignore -dumpdir. * toplev.h (dump_dir_name): New. 2010-01-03 Richard Guenther PR tree-optimization/42589 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow double-word expansion of bswap32. 2010-01-03 Steven Bosscher * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM with BLOCK_FOR_INSN. * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise. * ifcvt.c (noce_get_alt_condition, noce_try_abs, noce_process_if_block): Likewise. * gcse.c (compute_local_properties, insert_expr_in_table, insert_set_in_table, canon_list_insert, find_avail_set, pre_insert_copy_insn): Likewise. * basic-block.h (BLOCK_NUM): Move from here... * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler. 2010-01-03 Richard Guenther PR tree-optimization/42438 * tree-ssa-pre.c (struct bb_bitmap_sets): Add contains_may_not_return_call flag. (BB_MAY_NOTRETURN): New. (valid_in_sets): Trapping nary operations are not valid in blocks that may not return. (insert_into_preds_of_block): Remove check for trapping expressions. (compute_avail): Compute also BB_MAY_NOTRETURN. 2010-01-03 Gerald Pfeifer * doc/invoke.texi: Add 2010 to copyright years. 2010-01-03 Eric Botcazou * config/sparc/sparc.c: Fix formatting nits. 2010-01-02 Gerald Pfeifer Alexander Monakov * doc/invoke.texi (Optimize Options): Reword introduction a bit. 2010-01-02 Richard Guenther PR middle-end/42577 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks. (simplify_switch_using_ranges): Mark to be removed edges as non-executable. 2010-01-02 John David Anglin * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two. * collect2.c (scan_libraries): Add missing argument in call to scan_prog_file. 2010-01-02 Uros Bizjak PR target/42448 * config/alpha/predicates.md (aligned_memory_operand): Return false for CQImode. (unaligned_memory_operand): Return true for CQImode. * config/alpha/alpha.c (get_aligned_mem): Assert that location doesn not cross aligned SImode word boundary. 2010-01-02 Anatoly Sokolov * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_): Remove. * config/avr/avr-protos.h (avr_init_once, avr_optimization_options, avr_change_section, avr_reg_class_from_letter) : Remove declaration. 2010-01-02 Richard Guenther PR lto/41597 * toplev.c (compile_file): Emit LTO marker properly. Change it to __gnu_lto_v1. * collect2.c (scan_prog_file): Adjust for changed LTO marker. 2010-01-01 Richard Guenther PR debug/42455 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order. 2010-01-01 Richard Guenther PR c/42570 * c-decl.c (grokdeclarator): For zero-size arrays force structural equality checks as layout_type does. 2010-01-01 H.J. Lu * builtins.c: Update copyright to 2010. 2010-01-01 H.J. Lu PR lto/42531 * lto-streamer-out.c (produce_asm): Revert the last change. (copy_function): Likewise. * lto-streamer.c (lto_get_section_name): Skip any leading asterisk in name. 2010-01-01 Richard Guenther PR middle-end/42559 * builtins.c (get_object_alignment): Do not use DECL_ALIGN for LABEL_DECLs. Copyright (C) 2010 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.