2009-04-17 Rafael Avila de Espindola * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use REVISION_c. (OBJS-common): Add plugin-version.o. (plugin-version.o): New. * gcc-plugin.h (plugin_gcc_version): New. (plugin_default_version_check): New. (plugin_init_func, plugin_init): Add version argument. * plugin-version.c: New. * plugin.c (str_plugin_gcc_version_name): New. (try_init_one_plugin): Read plugin_gcc_version from the plugin and pass it to the init function. (plugin_default_version_check): New. 2009-04-17 Richard Guenther * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA for decl-vs-decl disambiguation. 2009-04-17 Andreas Krebbel * config/s390/s390.h (s390_tune_attr): New macro definition. * config/s390/s390.md (cpu attribute): Map to s390_tune_attr. 2009-04-17 Richard Guenther * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove. (fold_stmt_r): Likewise. (maybe_fold_reference): New function. (fold_gimple_assign): Handle cases fold_stmt_r did. (fold_stmt): Do not use fold_stmt_r. (fold_stmt_inplace): Likewise. 2009-04-17 Richard Guenther * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove. (record_equivalences_from_stmt): Remove useless checks and simplifications. * tree-ssa-pre.c (eliminate): Avoid converting a constant if the type is already suitable. 2009-04-17 Paolo Bonzini * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes. 2009-04-17 Uros Bizjak * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef. (CMPtype): Define as __gcc_CMPtype. 2009-04-17 Aurelien Jarno * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*. 2009-04-17 Richard Guenther PR tree-optimization/39746 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove special-casing for builtins and static variable use/def. (call_may_clobber_ref_p_1): Likewise. 2009-04-16 Ian Lance Taylor * df.h: Include "timevar.h". (struct df_problem): Change tv_id field to timevar_id_t. * tree-pass.h: Include "timevar.h". (struct opt_pass): Change tv_id field to timevar_id_t. * timevar.h (timevar_id_t): Define TV_NONE. * passes.c (execute_one_ipa_transform_pass): Check for tv_id != TV_NONE rather than tv_id != 0. (execute_one_pass): Likewise. * Makefile.in (DF_H): Add $(TIMEVAR_H). (TREE_PASS_H): Define. Change all instances of tree-pass.h in dependencies to $(TREE_PASS_H). * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field to TV_NONE. (pass_branch_target_load_optimize2): Likewise. * cfglayout.c (pass_into_cfg_layout_mode): Likewise. (pass_outof_cfg_layout_mode): Likewise. * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise. (pass_rebuild_cgraph_edges): Likewise. (pass_remove_cgraph_callee_edges): Likewise. * df-core.c (pass_df_initialize_opt): Likewise. (pass_df_initialize_no_opt): Likewise. (pass_df_finish): Likewise. * emit-rtl.c (pass_unshare_all_rtl): Likewise. * except.c (pass_set_nothrow_function_flags): Likewise. (pass_convert_to_eh_region_ranges): Likewise. * final.c (pass_compute_alignments): Likewise. * function.c (pass_instantiate_virtual_regs): Likewise. (pass_init_function): Likewise. (pass_leaf_regs): Likewise. (pass_match_asm_constraints): Likewise. * gimple-low.c (pass_lower_cf): Likewise. (pass_mark_used_blocks): Likewise. * init-regs.c (pass_initialize_regs): Likewise. * integrate.c (pass_initial_value_sets): Likewise. * ira.c (pass_ira): Likewise. * jump.c (pass_cleanup_barriers): Likewise. * omp-low.c (pass_expand_omp): Likewise. (pass_lower_omp): Likewise. * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise. * recog.c (pass_split_all_insns): Likewise. (pass_split_after_reload): Likewise. (pass_split_before_regstack): Likewise. (pass_split_before_sched2): Likewise. (pass_split_for_shorten_branches): Likewise. * reginfo.c (pass_reginfo_init): Likewise. (pass_subregs_of_mode_init): Likewise. (pass_subregs_of_mode_finish): Likewise. * passes.c (pass_postreload): Likewise. * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise. * tree-cfg.c (pass_remove_useless_stmts): Likewise. (pass_warn_function_return): Likewise. (pass_warn_function_noreturn): Likewise. * tree-complex.c (pass_lower_complex): Likewise. (pass_lower_complex_O0): Likewise. * tree-if-conv.c (pass_if_conversion): Likewise. * tree-into-ssa.c (pass_build_ssa): Likewise. * tree-mudflap.c (pass_mudflap_1): Likewise. (pass_mudflap_2): Likewise. * tree-nomudflap.c (pass_mudflap_1): Likewise. (pass_mudflap_2): Likewise. * tree-nrv.c (pass_return_slot): Likewise. * tree-object-size.c (pass_object_sizes): Likewise. * tree-optimize.c (pass_all_optimizations): Likewise. (pass_early_local_passes): Likewise. (pass_all_early_optimizations): Likewise. (pass_cleanup_cfg): Likewise. (pass_cleanup_cfg_post_optimizing): Likewise. (pass_free_datastructures): Likewise. (pass_free_cfg_annotations): Likewise. (pass_fixup_cfg): Likewise. (pass_init_datastructures): Likewise. * tree-ssa.c (pass_early_warn_uninitialized): Likewise. (pass_late_warn_uninitialized): Likewise. (pass_update_address_taken): Likewise. * tree-ssa-ccp.c (pass_fold_builtins): Likewise. * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise. (pass_cse_sincos): Likewise. (pass_convert_to_rsqrt): Likewise. * tree-ssa-structalias.c (pass_build_alias): Likewise. * tree-stdarg.c (pass_stdarg): Likewise. * tree-tailcall.c (pass_tail_recursion): Likewise. (pass_tail_calls): Likewise. * tree-vect-generic.c (pass_lower_vector): Likewise. (pass_lower_vector_ssa): Likewise. * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise. 2009-04-16 Joseph Myers * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in XLR entry. * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=xlr. * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move, logical and signext. 2009-04-16 Kaz Kojima PR target/39767 * config/sh/predicates.md (arith_operand): Check if the operand of TRUNCATE is a REG. 2009-04-16 Kazu Hirata * cfgrtl.c (delete_insn_chain_and_edges): Remove. * rtl.h: Remove the prototype for delete_insn_chain_and_edges. 2009-04-16 Kazu Hirata * tree-iterator.c (tsi_split_statement_list_after, tsi_split_statement_list_before): Remove. * tree-iterator.h: Remove the prototypes for tsi_split_statement_list_after and tsi_split_statement_list_before. 2009-04-16 Kazu Hirata * tree-ssa-propagate.c (stmt_makes_single_load): Remove. * tree-ssa-propagate.h: Remove the prototype for stmt_makes_single_load. 2009-04-16 Kazu Hirata * emit-rtl.c (set_mem_attrs_from_reg): Remove. * rtl.h: Remove the prototype for set_mem_attrs_from_reg. 2009-04-16 Kazu Hirata * tree-iterator.c (EXPR_LAST_BODY): Remove. 2009-04-16 Kazu Hirata * except.c (eh_region_outer_p): Remove. * except.h: Remove the prototype for eh_region_outer_p. 2009-04-16 Kazu Hirata * function.c (current_function_assembler_name): Remove. * function.h: Remove the prototype for current_function_assembler_name. 2009-04-16 Ian Lance Taylor * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note. (add_reg_note): Call alloc_reg_note. * rtl.h (alloc_reg_note): Declare. * combine.c (try_combine): Use alloc_reg_note. (recog_for_combine, move_deaths): Likewise. (distribute_notes): Use alloc_reg_note and add_reg_note. * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note. * combine-stack-adj.c (adjust_frame_related_expr): Likewise. * reload1.c (eliminate_regs_1): Use alloc_reg_note. 2009-04-16 Vladimir Makarov PR rtl-optimization/39762 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost, ira_may_move_out_cost): Add comments about way of their usage. (ira_get_register_move_cost, ira_get_may_move_cost): New functions. * ira-conflicts.c (process_regs_for_copy): Use function ira_get_register_move_cost instead of global ira_register_move_cost. * ira-color.c (update_copy_costs, calculate_allocno_spill_cost, color_pass, move_spill_restore, update_curr_costs): Ditto. * ira-lives.c (process_single_reg_class_operands): Ditto. * ira-emit.c (emit_move_list): Ditto. * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost. (record_reg_classes): Ditto. Use functions ira_get_register_move_cost and ira_get_may_move_cost instead of global vars ira_register_move_cost, ira_may_move_out_cost and ira_may_move_in_cost. (record_address_regs): Don't call ira_init_register_move_cost. Use function ira_get_may_move_cost instead of global ira_may_move_in_cost. (process_bb_node_for_hard_reg_moves): Use function ira_get_register_move_cost instead of global ira_register_move_cost. (ira_costs): Don't call ira_init_register_move_cost. 2009-04-16 Richard Guenther * tree-cfg.c (verify_gimple_assign_binary): Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors. * ipa-struct-reorg.c (gen_size): Fold the built expressions. (create_general_new_stmt): Note that this function is broken. 2009-04-16 Rafael Avila de Espindola * common.opt (fhelp): Add Var(help_flag). * gcc-plugin.h (plugin_info): Add help. * plugin.c (plugin_name_args): Add help. (register_plugin_info): Set plugin->help. (print_help_one_plugin): New. (print_plugins_help): New. * plugin.h (print_plugins_help): New. * toplev.c (toplev_main): Call print_plugins_help if needed. 2009-04-16 Richard Guenther * gimple.c (gimple_copy): Do not clear addresses_taken bitmap. (gimple_ior_addresses_taken_1): New function. (gimple_ior_addresses_taken): Likewise. * gimple.h (struct gimple_statement_with_ops_base): Remove addresses_taken member. (gimple_ior_addresses_taken): Declare. (gimple_addresses_taken, gimple_addresses_taken_ptr, gimple_set_addresses_taken): Remove. * ipa-reference.c (mark_address): New function. (scan_stmt_for_static_refs): Use it for marking addresses taken. * tree-ssa-operands.c (add_to_addressable_set): Rename to ... (mark_address_taken): ... this. Just set TREE_ADDRESSABLE. (gimple_add_to_addresses_taken): Remove. (get_tmr_operands): Call mark_address_taken. (get_asm_expr_operands): Likewise. (get_expr_operands): Likewise. (build_ssa_operands): Do not clear the addresses_taken bitmap. (free_stmt_operands): Do not free it. * tree-ssa.c (delete_tree_ssa): Likewise. (execute_update_addresses_taken): Use gimple_ior_addresses_taken. 2009-04-16 Richard Guenther * gimple.h (walk_stmt_load_store_addr_ops): Declare. (walk_stmt_load_store_ops): Likewise. * gimple.c (get_base_loadstore): New function. (walk_stmt_load_store_addr_ops): Likewise. (walk_stmt_load_store_ops): Likewise. * ipa-pure-const.c (check_op): Simplify. (check_load, check_store): New functions. (check_stmt): Use walk_stmt_load_store_ops. * ipa-reference.c (mark_load): Adjust signature. (mark_store): Likewise. (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops. 2009-04-16 Rafael Avila de Espindola * gcc-plugin.h (plugin_event): Add PLUGIN_INFO. (plugin_info): New. * opts.c (common_handle_option): Don't call print_version. * plugin.c (plugin_name_args): Add version. (register_plugin_info): New. (register_callback): Handle PLUGIN_INFO. (try_init_one_plugin): New. (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args if failed to init. (finalize_one_plugin): New. (finalize_plugins): New. (print_one_plugin): New. (print_plugins_versions): New. * plugin.h (print_plugins_versions): New. (finalize_plugins): New. * toplev.c (compile_file): Don't call initialize_plugins. (print_version): Call print_plugins_versions. (toplev_main): Call initialize_plugins. Print version if needed. Call finalize_plugins. 2009-04-16 Rafael Avila de Espindola * common.opt (fversion): New. * gcc.c (print_version): New. (process_command): Don't print the version. Just set print_version. (main): Print version. Call subprocesses if print_version and verbose_flag are set. * opts.c (common_handle_option): Handle OPT_fversion. 2009-04-16 Richard Guenther Ira Rosen PR tree-optimization/39698 * tree-vect-loop.c (get_initial_def_for_reduction): Use the type of the reduction variable. Only generate the def if it is needed. * omp-low.c (expand_omp_for_generic): When converting to a pointer make sure to first convert to an integer of the same precision. * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain the type of the evolution correctly in computing the new induction variable base. 2009-04-16 Richard Guenther PR middle-end/39625 * tree-cfg.c (make_blocks): Split statements with to-be abnormal SSA names on the lhs. 2009-04-16 Paolo Bonzini * c-common.c (vector_targets_convertible_p, vector_types_convertible_p): Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p. * c-typeck.c (really_start_incremental_init): Likewise. * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove. (TARGET_INITIALIZER): Remove it. * target.h (struct target): Remove vector_opaque_p. * tree.c (build_opaque_vector_type): New. * tree.h (TYPE_VECTOR_OPAQUE): New. (build_opaque_vector_type): Declare. * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove. * config/rs6000/rs6000.c (build_opaque_vector_type, rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove. (rs6000_init_builtins): Use build_opaque_vector_type for opaque_V4SI_type_node. 2009-04-15 Catherine Moore * debug.h (set_name): Declare. * dwarf2out.c (dwarf2out_set_name): Declare. (dwarf2_debug_hooks): Add set_name. (find_AT_string): New. (add_AT_string): Call find_AT_string. (dwarf2out_set_name): New. * cp/decl.c (grokdeclarator): Call set_name. * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing. * debug.c (do_nothing_debug_hooks): Likewise. * dbxout.c (dbx_debug_hooks): Likewise. * sdbout.c (sdb_debug_hooks): Likewise. 2009-04-15 Michael Eager * config/rs6000/rs6000.c (rs6000_function_value): Set function return reg for single-precision FPU. * config/rs6000/rs6000.md (movsi_internal1): Only for !TARGET_SINGLE_FPU. (movsi_internal1_single): New. Add pattern to move SI values to/from single-precision FP regs. 2009-04-15 Richard Guenther * omp-low.c (lower_rec_input_clauses): Build correct address expressions. (expand_omp_for_generic): Fix multiplication type. * tree-loop-distribution.c (build_size_arg): Build a size_t argument. (generate_memset_zero): Fix types. * tree-profile.c (prepare_instrumented_value): Correctly widen a pointer. 2009-04-15 Ian Lance Taylor * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1. * c-opts.c (c_common_handle_option): For C, set warn_enum_compare for -Wall and for -Wc++-compat. (c_common_post_options): For C++, set warn_enum_compare if not already set. * c-tree.h (struct c_expr): Add field original_type. (build_external_ref): Update declaration. * c-parser.c (c_parser_braced_init): Set original_type. (c_parser_initelt): Likewise. (c_parser_expr_no_commas): Likewise. (c_parser_conditional_expression): Likewise. (c_parser_cast_expression): Likewise. (c_parser_unary_expression): Likewise. Pull setting of original_code to top of function. (c_parser_sizeof_expression): Set original_type. (c_parser_alignof_expression): Likewise. (c_parser_postfix_expression): Likewise. Pull setting of original_code to top of function. (c_parser_postfix_expression_after_paren_type): Set original_type. (c_parser_postfix_expression_after_primary): Likewise. (c_parser_expression): Likewise. * c-typeck.c (build_external_ref): Add type parameter. Change all callers. (c_expr_sizeof_expr): Set original_type field. (parser_build_unary_op): Likewise. (parser_build_binary_op): Likewise. Optionally warn about comparisons of enums of different types. (digest_init): Set original_type field. (really_start_incremental_init): Likewise. (push_init_level, pop_init_level): Likewise. * doc/invoke.texi (Warning Options): -Wenum-compare now supported in C. 2009-04-15 Richard Guenther * tree-ssa-pre.c (eliminate): When replacing a PHI node carry out a necessary conversion. * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to names we didn't value number. * tree-mudflap.c (mf_build_check_statement_for): Use correct types. 2009-04-15 Richard Guenther PR tree-optimization/39764 * tree-ssa-ccp.c (get_value): Canonicalize value with canonicalize_float_value. 2009-04-15 Jan Hubicka * builtins.def (va_start, va_end, va_copy): Fix my previous commit. Wrong version of patch. 2009-04-15 Jan Hubicka * builtins.def (va_start, va_end, va_copy): Mark nothrow. 2009-04-15 Nathan Sidwell * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of our distinct integral and vector types. 2009-04-15 Rafael Avila de Espindola * class.c (build_vtbl_ref_1): Remove call to assemble_external. * init.c (build_vtbl_address): Remove call to assemble_external. 2009-04-14 Daniel Jacobowitz * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug output for other floating point modes. 2009-04-14 Diego Novillo * diagnostic.c (diagnostic_report_diagnostic): Do not warn about loaded plugins for DK_ERROR and DK_WARNING. * c-decl.c (declspecs_add_type): Move call to invoke_plugin_callbacks ... * c-parser.c (c_parser_declspecs): ... here. * plugin.c (dump_active_plugins): Tidy output. 2009-04-14 Diego Novillo Le-Chun Wu * configure.ac: Add --enable-plugin support. Define ENABLE_PLUGIN and PLUGINLIBS when specified. * Makefile.in (PLUGIN_H): Define. Export ENABLE_PLUGIN and GMPINC to site.exp. Add PLUGINLIBS to link command. Add/modify dependencies for plugin.o and files including plugin.h. (plugin.o): New. * config.in: Regenerate. * opts.c (common_handle_option): Handle OPT_fplugin_ and OPT_fplugin_arg_. 2009-04-14 Le-Chun Wu * tree-pass.h (register_one_dump_file): Add a prototype for register_one_dump_file. * toplev.c (compile_file): Call initialize_plugins. (do_compile): Call invoke_plugin_callbacks. (toplev_main): Call invoke_plugin_callbacks. * common.opt: Add -fplugin= and -fplugin-arg-. * gcc-plugin.h: New public header file for plugins to include. * plugin.c: New source file. * plugin.h: New internal header file. * passes.c (register_one_dump_file): Make it external. * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks. 2009-04-14 Diego Novillo * doc/plugins.texi: New. * doc/gccint.texi: Add reference to Plugins chapter. * doc/invoke.texi: Document -fplugin and -fplugin-arg * diagnostic.c (diagnostic_report_diagnostic): Warn about loaded plugins, if any. * timevar.def (TV_PLUGIN_INIT): Define. (TV_PLUGIN_RUN): Define. * plugin.c: Include timevar.h (plugins_active_p): New. (dump_active_plugins): New. (debug_active_plugins): New. 2009-04-14 Joseph Myers * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute library paths. * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise. 2009-04-14 Kazu Hirata * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift the same as a minus without a shift. 2009-04-14 Nick Clifton * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that comparisons with small integers will always produce a short branch. 2009-04-14 Rafael Avila de Espindola Merge: 2008-12-19 Diego Novillo * cgraph.c (dump_cgraph_node): Show memory address of NODE. 2000-04-14 Richard Guenther * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code verification. (verify_gimple_assign_binary): Likewise. Handle shifts and rotates correctly. (verify_gimple_phi): Print the mismatched argument position. * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Fix types. (vect_update_init_of_dr): Likewise. * matrix-reorg.c (transform_access_sites): Do what the comment suggests. * omp-low.c (expand_omp_atomic_pipeline): Use the correct types. 2009-04-13 Michael Eager * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu: _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, remove duplicate config 2009-04-13 Dwarakanath Rajagopal * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump file_name:line_number type locator of the call site. 2009-04-13 Vladimir Makarov * genautomata.c: Put blank after comma. (automaton_decls): New. (struct unit_usage): Add comments to member next. (store_alt_unit_usage): Keep the list ordered. (unit_present_on_list_p, equal_alternatives_p): New. (check_regexp_units_distribution): Check units distribution correctness correctly. (main): Don't write automata if error is found. Return correct exit code. * config/m68k/cf.md (cfv4_ds): Remove. (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3, cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds. * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4, power4-load-ext, power4-store, power4-store-update, power4-fpstore, power4-fpstore-update, power4-two, power4-three, power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp, power4-lmul, , power4-imul, power4-imul3, power4-sdiv, power4-sqrt, power4-isync): Modify reservation to make correct unit distribution to automata. * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store, power5-store-update, power5-two, power5-three, power5-lmul, power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto. 2009-04-13 Adam Nemet * except.c (pass_set_nothrow_function_flags): Set name and add TODO_dump_func. (set_nothrow_function_flags): Mention in the dump file when changing a function to nothrow. 2009-04-13 Ozkan Sezer PR/39066 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__ instead of unsigned long. 2009-04-13 Ramana Radhakrishnan * config/arm/arm.c (return_used_this_function): Remove. (arm_output_function_prologue): Remove use of return_used_this_function. (output_return_instruction): Replace use of return_used_this_function by cfun->machine->return_used_this_function. (arm_output_epilogue): Likewise. (arm_output_function_epilogue): Likewise. (thumb_unexpanded_epilogue): Likewise. * config/arm/arm.h (struct machine_function): New member return_used_this_function. 2009-04-12 Mark Mitchell * doc/install.texi: Correct description of default directory for --with-gxx-include-dir. 2009-04-12 Eric Botcazou * fold-const.c (build_range_check): Properly deal with enumeral and boolean base types. 2009-04-12 Steven Bosscher * doc/invoke.texi (max_gcse_passes): Remove documentation. * params.def (PARAM_MAX_GCSE_PASSES): Remove. * params.h (MAX_GCSE_PASSES): Remove. * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2 in sequence. Remove ability to run multiple passes. (bypass_jumps): Report run as third CPROP pass. 2009-04-12 Adam Nemet PR middle-end/39651 * except.c (can_throw_external): Look at each insn in a SEQUENCE when deciding whether the whole SEQUENCE can throw. 2009-04-12 Uros Bizjak PR target/39740 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for offseted label references. 2009-04-11 Jan Hubicka * tree-ssa-pre.c (eliminate): Fix call of update_stmt. 2009-04-11 Richard Guenther PR middle-end/39732 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE return variables as TREE_ADDRESSABLE. 2009-04-11 Richard Guenther PR tree-optimization/39713 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built reference trees have SSA_NAME operands. 2009-04-11 Richard Guenther PR c/39712 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched address expressions. 2009-04-11 Dave Korn * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to match changes in Cygwin 1.7 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise. 2009-04-10 Paolo Bonzini PR tree-optimization/39701 * doc/invoke.texi (Optimization Options): Document change in meaning and initialization of -fdelete-null-pointer-checks. 2009-04-10 H.J. Lu PR middle-end/39701 * common.opt (-fdelete-null-pointer-checks): Initialize to 1. * opts.c (decode_options): Don't set flag_delete_null_pointer_checks here. * doc/invoke.texi: Update -fdelete-null-pointer-checks. 2009-04-10 Chao-ying Fu * doc/tm.texi (Instruction Output): Document TARGET_ASM_FINAL_POSTSCAN_INSN. * target.h (final_postscan_insn): New field in asm_out. * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define. (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN. * final.c (final_scan_insn): Call targetm.asm_out.final_postscan_insn after outputting an asm macro and a normal instruction. * config/mips/mips.h (FINAL_PRESCAN_INSN): New define. * config/mips/mips-protos.h (mips_final_prescan_insn): Declare. * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback. (mips_final_prescan_insn, mips_final_postscan_insn): New functions. (TARGET_ASM_FINAL_POSTSCAN_INSN): New define. 2009-04-10 Paolo Bonzini PR middle-end/39701 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static variables as non-NULL even with -fdelete-null-pointer-checks. 2009-04-10 H.J. Lu * config/rs6000/darwin-vecsave.asm: Remove extra "*/". 2009-04-09 H.J. Lu PR target/39678 * config/i386/i386.c (classify_argument): Handle SCmode with (bit_offset % 64) != 0. 2009-04-09 Sandra Loosemore * doc/invoke.texi (Optimize Options): Add cross-reference to -Q --help=optimizers examples. 2009-04-10 Ben Elliston PR target/36800 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set regalign for the reg == fpr and TDmode case. 2009-04-09 David Ayers PR objc/29200 * objc/objc-act.c (warn_with_method): Remove helper function. (check_duplicates): Call warning and inform directly. (really_start_method): Likewise. 2009-04-09 Paolo Bonzini * expmed.c (expand_divmod): Always use a comparison for a division by a large unsigned integer. * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls for things others than variables or functions as nonzero. 2009-04-09 Nick Clifton * unwind-compat.c: Change copyright header to refer to version 3 of the GNU General Public License with version 3.1 of the GCC Runtime Library Exception and to point readers at the COPYING3 and COPYING3.RUNTIME files and the FSF's license web page. * config/alpha/crtfastmath.c: Likewise. * config/alpha/linux-unwind.h: Likewise. * config/alpha/qrnnd.asm: Likewise. * config/alpha/vms-crt0-64.c: Likewise. * config/alpha/vms-crt0.c: Likewise. * config/alpha/vms-dwarf2.asm: Likewise. * config/alpha/vms-dwarf2eh.asm: Likewise. * config/alpha/vms-psxcrt0-64.c: Likewise. * config/alpha/vms-psxcrt0.c: Likewise. * config/alpha/vms_tramp.asm: Likewise. * config/arc/initfini.c: Likewise. * config/arc/lib1funcs.asm: Likewise. * config/arm/bpabi-v6m.S: Likewise. * config/arm/bpabi.S: Likewise. * config/arm/bpabi.c: Likewise. * config/arm/crti.asm: Likewise. * config/arm/crtn.asm: Likewise. * config/arm/ieee754-df.S: Likewise. * config/arm/ieee754-sf.S: Likewise. * config/arm/lib1funcs.asm: Likewise. * config/arm/libunwind.S: Likewise. * config/arm/linux-atomic.c: Likewise. * config/arm/mmintrin.h: Likewise. * config/arm/pr-support.c: Likewise. * config/arm/unaligned-funcs.c: Likewise. * config/arm/unwind-arm.c: Likewise. * config/arm/unwind-arm.h: Likewise. * config/avr/libgcc.S: Likewise. * config/bfin/crti.s: Likewise. * config/bfin/crtlibid.s: Likewise. * config/bfin/crtn.s: Likewise. * config/bfin/lib1funcs.asm: Likewise. * config/bfin/linux-unwind.h: Likewise. * config/cris/arit.c: Likewise. * config/cris/cris_abi_symbol.c: Likewise. * config/darwin-64.c: Likewise. * config/darwin-crt2.c: Likewise. * config/darwin-crt3.c: Likewise. * config/darwin.h: Likewise. * config/dbxelf.h: Likewise. * config/dfp-bit.c: Likewise. * config/dfp-bit.h: Likewise. * config/elfos.h: Likewise. * config/fixed-bit.c: Likewise. * config/fixed-bit.h: Likewise. * config/fp-bit.c: Likewise. * config/fp-bit.h: Likewise. * config/fr30/crti.asm: Likewise. * config/fr30/crtn.asm: Likewise. * config/fr30/lib1funcs.asm: Likewise. * config/freebsd-spec.h: Likewise. * config/frv/cmovd.c: Likewise. * config/frv/cmovh.c: Likewise. * config/frv/cmovw.c: Likewise. * config/frv/frvbegin.c: Likewise. * config/frv/frvend.c: Likewise. * config/frv/lib1funcs.asm: Likewise. * config/glibc-stdint.h: Likewise. * config/h8300/clzhi2.c: Likewise. * config/h8300/crti.asm: Likewise. * config/h8300/crtn.asm: Likewise. * config/h8300/ctzhi2.c: Likewise. * config/h8300/fixunssfsi.c: Likewise. * config/h8300/lib1funcs.asm: Likewise. * config/h8300/parityhi2.c: Likewise. * config/h8300/popcounthi2.c: Likewise. * config/i386/ammintrin.h: Likewise. * config/i386/att.h: Likewise. * config/i386/avxintrin.h: Likewise. * config/i386/biarch64.h: Likewise. * config/i386/bmmintrin.h: Likewise. * config/i386/cpuid.h: Likewise. * config/i386/cross-stdarg.h: Likewise. * config/i386/crtfastmath.c: Likewise. * config/i386/crtprec.c: Likewise. * config/i386/cygming-crtbegin.c: Likewise. * config/i386/cygming-crtend.c: Likewise. * config/i386/cygwin.asm: Likewise. * config/i386/emmintrin.h: Likewise. * config/i386/gmm_malloc.h: Likewise. * config/i386/gthr-win32.c: Likewise. * config/i386/i386.h: Likewise. * config/i386/immintrin.h: Likewise. * config/i386/linux-unwind.h: Likewise. * config/i386/linux64.h: Likewise. * config/i386/mm3dnow.h: Likewise. * config/i386/mmintrin-common.h: Likewise. * config/i386/mmintrin.h: Likewise. * config/i386/nmmintrin.h: Likewise. * config/i386/pmm_malloc.h: Likewise. * config/i386/pmmintrin.h: Likewise. * config/i386/smmintrin.h: Likewise. * config/i386/sol2-c1.asm: Likewise. * config/i386/sol2-ci.asm: Likewise. * config/i386/sol2-cn.asm: Likewise. * config/i386/sol2-gc1.asm: Likewise. * config/i386/tmmintrin.h: Likewise. * config/i386/unix.h: Likewise. * config/i386/w32-unwind.h: Likewise. * config/i386/wmmintrin.h: Likewise. * config/i386/x86-64.h: Likewise. * config/i386/x86intrin.h: Likewise. * config/i386/xmmintrin.h: Likewise. * config/ia64/crtbegin.asm: Likewise. * config/ia64/crtend.asm: Likewise. * config/ia64/crtfastmath.c: Likewise. * config/ia64/crti.asm: Likewise. * config/ia64/crtn.asm: Likewise. * config/ia64/fde-glibc.c: Likewise. * config/ia64/lib1funcs.asm: Likewise. * config/ia64/linux-unwind.h: Likewise. * config/ia64/quadlib.c: Likewise. * config/ia64/unwind-ia64.c: Likewise. * config/linux.h: Likewise. * config/m32c/m32c-lib1.S: Likewise. * config/m32c/m32c-lib2-trapv.c: Likewise. * config/m32c/m32c-lib2.c: Likewise. * config/m32r/initfini.c: Likewise. * config/m68hc11/larith.asm: Likewise. * config/m68hc11/m68hc11-crt0.S: Likewise. * config/m68k/cf.md: Likewise. * config/m68k/crti.s: Likewise. * config/m68k/crtn.s: Likewise. * config/m68k/lb1sf68.asm: Likewise. * config/m68k/linux-unwind.h: Likewise. * config/mcore/crti.asm: Likewise. * config/mcore/crtn.asm: Likewise. * config/mcore/lib1.asm: Likewise. * config/mips/linux-unwind.h: Likewise. * config/mips/loongson.h: Likewise. * config/mips/mips16.S: Likewise. * config/mmix/crti.asm: Likewise. * config/mmix/crtn.asm: Likewise. * config/pa/fptr.c: Likewise. * config/pa/hpux-unwind.h: Likewise. * config/pa/lib2funcs.asm: Likewise. * config/pa/linux-atomic.c: Likewise. * config/pa/linux-unwind.h: Likewise. * config/pa/milli64.S: Likewise. * config/pa/quadlib.c: Likewise. * config/pa/stublib.c: Likewise. * config/picochip/libgccExtras/adddi3.asm: Likewise. * config/picochip/libgccExtras/ashlsi3.asm: Likewise. * config/picochip/libgccExtras/ashlsi3.c: Likewise. * config/picochip/libgccExtras/ashrsi3.asm: Likewise. * config/picochip/libgccExtras/ashrsi3.c: Likewise. * config/picochip/libgccExtras/cmpsi2.asm: Likewise. * config/picochip/libgccExtras/divmod15.asm: Likewise. * config/picochip/libgccExtras/divmodhi4.asm: Likewise. * config/picochip/libgccExtras/divmodsi4.asm: Likewise. * config/picochip/libgccExtras/longjmp.asm: Likewise. * config/picochip/libgccExtras/lshrsi3.asm: Likewise. * config/picochip/libgccExtras/lshrsi3.c: Likewise. * config/picochip/libgccExtras/parityhi2.asm: Likewise. * config/picochip/libgccExtras/popcounthi2.asm: Likewise. * config/picochip/libgccExtras/setjmp.asm: Likewise. * config/picochip/libgccExtras/subdi3.asm: Likewise. * config/picochip/libgccExtras/ucmpsi2.asm: Likewise. * config/picochip/libgccExtras/udivmodhi4.asm: Likewise. * config/picochip/libgccExtras/udivmodsi4.asm: Likewise. * config/rs6000/750cl.h: Likewise. * config/rs6000/altivec.h: Likewise. * config/rs6000/biarch64.h: Likewise. * config/rs6000/crtresfpr.asm: Likewise. * config/rs6000/crtresgpr.asm: Likewise. * config/rs6000/crtresxfpr.asm: Likewise. * config/rs6000/crtresxgpr.asm: Likewise. * config/rs6000/crtsavfpr.asm: Likewise. * config/rs6000/crtsavgpr.asm: Likewise. * config/rs6000/darwin-asm.h: Likewise. * config/rs6000/darwin-fallback.c: Likewise. * config/rs6000/darwin-fpsave.asm: Likewise. * config/rs6000/darwin-ldouble.c: Likewise. * config/rs6000/darwin-tramp.asm: Likewise. * config/rs6000/darwin-unwind.h: Likewise. * config/rs6000/darwin-vecsave.asm: Likewise. * config/rs6000/darwin-world.asm: Likewise. * config/rs6000/e500crtres32gpr.asm: Likewise. * config/rs6000/e500crtres64gpr.asm: Likewise. * config/rs6000/e500crtres64gprctr.asm: Likewise. * config/rs6000/e500crtrest32gpr.asm: Likewise. * config/rs6000/e500crtrest64gpr.asm: Likewise. * config/rs6000/e500crtresx32gpr.asm: Likewise. * config/rs6000/e500crtresx64gpr.asm: Likewise. * config/rs6000/e500crtsav32gpr.asm: Likewise. * config/rs6000/e500crtsav64gpr.asm: Likewise. * config/rs6000/e500crtsav64gprctr.asm: Likewise. * config/rs6000/e500crtsavg32gpr.asm: Likewise. * config/rs6000/e500crtsavg64gpr.asm: Likewise. * config/rs6000/e500crtsavg64gprctr.asm: Likewise. * config/rs6000/eabi-ci.asm: Likewise. * config/rs6000/eabi-cn.asm: Likewise. * config/rs6000/eabi.asm: Likewise. * config/rs6000/linux-unwind.h: Likewise. * config/rs6000/linux64.h: Likewise. * config/rs6000/paired.h: Likewise. * config/rs6000/paired.md: Likewise. * config/rs6000/ppc64-fp.c: Likewise. * config/rs6000/ppu_intrinsics.h: Likewise. * config/rs6000/rs6000.h: Likewise. * config/rs6000/si2vmx.h: Likewise. * config/rs6000/sol-ci.asm: Likewise. * config/rs6000/sol-cn.asm: Likewise. * config/rs6000/spe.h: Likewise. * config/rs6000/spu2vmx.h: Likewise. * config/rs6000/sysv4.h: Likewise. * config/rs6000/tramp.asm: Likewise. * config/rs6000/vec_types.h: Likewise. * config/s390/linux-unwind.h: Likewise. * config/s390/tpf-unwind.h: Likewise. * config/score/crti.asm: Likewise. * config/score/crtn.asm: Likewise. * config/sh/crt1.asm: Likewise. * config/sh/crti.asm: Likewise. * config/sh/crtn.asm: Likewise. * config/sh/divtab-sh4-300.c: Likewise. * config/sh/divtab-sh4.c: Likewise. * config/sh/divtab.c: Likewise. * config/sh/lib1funcs-4-300.asm: Likewise. * config/sh/lib1funcs-Os-4-200.asm: Likewise. * config/sh/lib1funcs.asm: Likewise. * config/sh/lib1funcs.h: Likewise. * config/sh/linux-atomic.asm: Likewise. * config/sh/linux-unwind.h: Likewise. * config/sh/shmedia.h: Likewise. * config/sh/sshmedia.h: Likewise. * config/sh/ushmedia.h: Likewise. * config/sparc/crtfastmath.c: Likewise. * config/sparc/linux-unwind.h: Likewise. * config/sparc/sol2-c1.asm: Likewise. * config/sparc/sol2-ci.asm: Likewise. * config/sparc/sol2-cn.asm: Likewise. * config/spu/divmodti4.c: Likewise. * config/spu/divv2df3.c: Likewise. * config/spu/float_disf.c: Likewise. * config/spu/float_unsdidf.c: Likewise. * config/spu/float_unsdisf.c: Likewise. * config/spu/float_unssidf.c: Likewise. * config/spu/mfc_multi_tag_release.c: Likewise. * config/spu/mfc_multi_tag_reserve.c: Likewise. * config/spu/mfc_tag_release.c: Likewise. * config/spu/mfc_tag_reserve.c: Likewise. * config/spu/mfc_tag_table.c: Likewise. * config/spu/multi3.c: Likewise. * config/spu/spu_internals.h: Likewise. * config/spu/spu_intrinsics.h: Likewise. * config/spu/spu_mfcio.h: Likewise. * config/spu/vec_types.h: Likewise. * config/spu/vmx2spu.h: Likewise. * config/stormy16/stormy16-lib2.c: Likewise. * config/svr4.h: Likewise. * config/sync.c: Likewise. * config/v850/lib1funcs.asm: Likewise. * config/vxlib-tls.c: Likewise. * config/vxlib.c: Likewise. * config/vxworks-dummy.h: Likewise. * config/xtensa/crti.asm: Likewise. * config/xtensa/crtn.asm: Likewise. * config/xtensa/ieee754-df.S: Likewise. * config/xtensa/ieee754-sf.S: Likewise. * config/xtensa/lib1funcs.asm: Likewise. * config/xtensa/lib2funcs.S: Likewise. * config/xtensa/linux-unwind.h: Likewise. * config/xtensa/unwind-dw2-xtensa.c: Likewise. * config/xtensa/unwind-dw2-xtensa.h: Likewise. * coretypes.h: Likewise. * crtstuff.c: Likewise. * defaults.h: Likewise. * dwarf2.h: Likewise. * emutls.c: Likewise. * gbl-ctors.h: Likewise. * gcov-io.h: Likewise. * ginclude/float.h: Likewise. * ginclude/iso646.h: Likewise. * ginclude/stdarg.h: Likewise. * ginclude/stdbool.h: Likewise. * ginclude/stddef.h: Likewise. * ginclude/stdfix.h: Likewise. * ginclude/stdint-gcc.h: Likewise. * ginclude/tgmath.h: Likewise. * gthr-aix.h: Likewise. * gthr-dce.h: Likewise. * gthr-gnat.c: Likewise. * gthr-gnat.h: Likewise. * gthr-lynx.h: Likewise. * gthr-mipssde.h: Likewise. * gthr-nks.h: Likewise. * gthr-posix.c: Likewise. * gthr-posix.h: Likewise. * gthr-posix95.h: Likewise. * gthr-rtems.h: Likewise. * gthr-single.h: Likewise. * gthr-solaris.h: Likewise. * gthr-tpf.h: Likewise. * gthr-vxworks.h: Likewise. * gthr-win32.h: Likewise. * gthr.h: Likewise. * libgcc2.c: Likewise. * libgcc2.h: Likewise. * libgcov.c: Likewise. * tsystem.h: Likewise. * typeclass.h: Likewise. * unwind-c.c: Likewise. * unwind-compat.h: Likewise. * unwind-dw2-fde-compat.c: Likewise. * unwind-dw2-fde-darwin.c: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2-fde.c: Likewise. * unwind-dw2-fde.h: Likewise. * unwind-dw2.c: Likewise. * unwind-dw2.h: Likewise. * unwind-generic.h: Likewise. * unwind-pe.h: Likewise. * unwind-sjlj.c: Likewise. * unwind.inc: Likewise. * config/arm/neon-gen.ml: Change generated copyright header to refer to version 3 of the GNU General Public License with version 3.1 of the GCC Runtime Library Exception and to point readers at the COPYING3 and COPYING3.RUNTIME files and the FSF's license web page. * config/arm/arm_neon.h: Regenerate. 2009-04-09 Jakub Jelinek * config/cris/cris.md: Change copyright header to refer to version 3 of the GNU General Public License. * doc/install.texi2html: Change copyright header to refer to version 3 of the GNU General Public License and to point readers at the COPYING3 file and the FSF's license web page. * config/vax/linux.h: Likewise. 2009-04-09 Paolo Bonzini * config/i386/i386.md (cmpcc): New. * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG. (sync_compare_and_swap_cc*): Delete. * config/s390/s390.c (s390_compare_emitted): Remove. (s390_emit_compare): Handle MODE_CC s390_compare_op0 like s390_compare_emitted used to be handled. Assert that modes match. (s390_emit_compare_and_swap): Use s390_emit_compare, do not refer to sync_compare_and_swap_ccsi. * config/s390/s390.h (s390_compare_emitted): Remove. * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0 instead of s390_compare_emitted. (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0 instead of s390_compare_emitted. * config/s390/s390.md (cmpcc): New. (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber CC_REGNUM, do not pretend it's set. (sync_compare_and_swap_cc*): Delete. * config/s390/predicates.md (cc_reg_operand): New. * expr.c (sync_compare_and_swap_cc): Delete. * optabs.h (sync_compare_and_swap_cc): Delete. * optabs.c (prepare_cmp_insn): Ignore which specific CCmode is being used with can_compare_p. (emit_cmp_and_jump_insn_1): Likewise when looking in the optab. (find_cc_set): New. (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc, look for a MODE_CC set instead. Use emit_store_flag. (expand_compare_and_swap_loop): Likewise, with some additional complication to avoid a force_reg when useless. Use emit_cmp_and_jump_insns. * genopinit.c (optabs): Delete sync_compare_and_swap_cc. * doc/md.texi (sync_compare_and_swap_cc): Merge with sync_compare_and_swap documentation. 2009-04-09 Jan Hubicka * except.c (find_prev_try): Break out from .... (duplicate_eh_regions): ... here; properly update prev_try pointers when duplication part of tree. (dump_eh_tree): Improve dumping. (verify_eh_region): New. (verify_eh_tree): Use it. 2009-04-06 Richard Guenther * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC &ARRAY addresses by adjusting their types and prepending a conversion. * tree-cfg.c (verify_gimple_assign_single): Verify that addresses are correct. 2009-04-09 Richard Guenther * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant indices into an array reference if possible. * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): Fold POINTER_PLUS_EXPR statements with invariant address. 2009-04-09 Alan Modra PR target/39634 * config.gcc (powerpc64-*-linux*): Always build biarch. 2009-04-09 Joseph Myers PR c/39613 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold it and pedwarn if this results in an INTEGER_CST. 2009-04-08 Kaveh R. Ghazi * doc/install.texi: Update minimum GMP version. Remove obsolete text in MPFR section. 2009-04-08 Jakub Jelinek * dwarf2out.c (class_scope_p): New static inline. (class_or_namespace_scope_p): Use it. (gen_variable_die): Use DW_TAG_member tag for static data member declarations instead of DW_TAG_variable. PR middle-end/39573 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls variables. 2009-04-08 Richard Guenther * tree-ssa-sccvn.c (valueize_refs): Do not continue to valueize random data. 2009-04-08 David Edelsohn * config.gcc (aix tm_file): Add aix-stdint.h. (aix tm clause use_gcc_stdint): Set to wrap. * config/rs6000/aix-stdint.h: New file. 2009-04-08 Richard Guenther PR middle-end/36291 * tree-dfa.c (add_referenced_var): Do not recurse into global initializers. * tree-ssa-ccp.c (get_symbol_constant_value): Add newly exposed variables. (fold_const_aggregate_ref): Likewise. 2009-04-08 Paolo Bonzini * recog.c (ordered_comparison_operator): New. * gensupport.c (std_preds): Add it. * doc/md.texi (Machine-Independent Predicates): Document it. 2009-04-08 Jan Hubicka * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging. * function.h (rtl_eh): Remove exception_handler_label_map. * except.c (ehl_hash, ehl_eq, add_ehl_entry, remove_exception_handler_label, for_each_eh_label_1): Remove. (rtl_remove_unreachable_regions): Remove. (convert_from_eh_region_ranges): Do not remove unreachable regions. (find_exception_handler_labels): Don't build the hashtable. (maybe_remove_eh_handler): Remove. (for_each_eh_label): Rewrite to walk the tree. (rest_of_handle_eh): Do not cleanup cfg prior EH construction. * except.h (maybe_remove_eh_handler): Remove. * passes.c (init_optimization_passes): Schedule second EH cleanup before out-of-ssa. * cfgrtl.c (rtl_delete_block, rtl_merge_blocks, cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler. 2009-04-08 Paolo Bonzini * genoutput.c (validate_optab_operands): New. (gen_insn, gen_expand): Call it. * genflags.c (gen_insn): Detect misused iterators. (main): Pass line_no to gen_insn, exit with status 1 on error. * genextract.c (line_no): Make global. (VEC_safe_set_locstr): Change assertion to error message. (main): Exit with status 1 on error. 2009-04-08 Joseph Myers PR c/39614 PR c/39673 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR, C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST, EXPR_INT_CONST_OPERANDS): Remove duplicate definitions. * c-convert.c (convert): Do not call fold on results of conversion functions when the result is a C_MAYBE_CONST_EXPR. * c-parser.c (c_parser_postfix_expression): Do not fold condition of __builtin_choose_expr. * c-typeck.c (remove_c_maybe_const_expr): New. (build_unary_op, build_conditional_expr, build_compound_expr, build_binary_op, c_objc_common_truthvalue_conversion): Call remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with integer operands. 2009-04-08 Bingfeng Mei * fold-const.c (const_binop): Combine two VECTOR_CST under operation CODE to produce a new one. Add a prototype to use fold_convert_const 2009-04-08 Danny Smith PR bootstrap/39660 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't mix declarations and code. 2009-04-08 Ben Elliston * gcc.c: Replace `CC' with `GCC' throughout. 2009-04-07 H.J. Lu * doc/invoke.texi: Document Atom support. 2009-04-07 Jason Merrill PR c++/25185 * c-common.h, c-common.c: Add flag_pretty_templates. * c-opts.c (c_common_handle_option): Set it. * c.opt: Add -fno-pretty-templates. * doc/invoke.texi (C++ Dialect Options): Likewise. 2009-04-07 Uros Bizjak * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ. (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ. (ia64_expand_builtin): Likewise. 2009-04-07 Martin Jambor * tree-ssa-alias.c (refs_may_alias_p_1): Check for is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant ADDR_EXPRS are include too. 2009-04-07 Richard Guenther * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased decls are only used if passes as parameters or if they are local statics and the call is not to a builtin. (call_may_clobber_ref_p_1): Likewise. 2009-04-07 Paolo Bonzini * expr.c (do_store_flag): Remove last argument. Simplify code to avoid duplication of tests already done by can_compare_p. (expand_expr_real_1): Adjust caller. 2009-04-07 Paolo Bonzini * optabs.c (can_compare_p): Test the predicate of a cbranch and cstore pattern. 2009-04-07 Paolo Bonzini * expr.c (convert_move): Use emit_store_flag instead of "emulating" it. 2009-04-07 Paolo Bonzini * config/i386/i386.c (ix86_compare_emitted): Remove. (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC ix86_compare_op0 like ix86_compare_emitted used to be handled. * config/i386/i386.h (ix86_compare_emitted): Remove. * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0 instead of ix86_compare_emitted. * config/i386/sync.md (sync_compare_and_swap_cc): Likewise. 2009-04-07 Andrew Stubbs * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file. Add t-sysroot-suffix to tmake_file. * config/print-sysroot-suffix.sh: New file. * config/t-sysroot-suffix: New file. 2009-04-07 Ben Elliston * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf, as the latter produces a warning when the target does not support infinity. 2009-04-07 Ben Elliston * dfp.c: Replace type punning assignments with memcpy throughout. * Makefile.in (dfp.o-warn): Remove. 2009-04-07 Alan Modra PR target/39634 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*. Include soft-fp/t-softfp after rs6000/t-linux64. 2009-04-06 Eric Botcazou * stor-layout.c (set_sizetype): Use the full precision of their machine mode for bitsize types. 2009-04-06 H.J. Lu * config/i386/i386.md: Revert 2 accidental checkins. 2009-04-06 Joey Ye Xuepeng Guo H.J. Lu Atom pipeline model, tuning and insn selection. * config.gcc (atom): Add atom config options and target. * config/i386/atom.md: New. * config/i386/i386.c (atom_cost): New cost. (m_ATOM): New macro flag. (initial_ix86_tune_features): Set m_ATOM. (x86_accumulate_outgoing_args): Likewise. (x86_arch_always_fancy_math_387): Likewise. (processor_target): Add Atom cost. (cpu_names): Add Atom cpu name. (override_options): Set Atom ISA. (ix86_issue_rate): New case PROCESSOR_ATOM. (ix86_adjust_cost): Likewise. * config/i386/i386.h (TARGET_ATOM): New target macro. (ix86_tune_indices): Add X86_TUNE_OPT_AGU. (TARGET_OPT_AGU): New target option. (target_cpu_default): Add TARGET_CPU_DEFAULT_atom. (processor_type): Add PROCESSOR_ATOM. * config/i386/i386.md (cpu): Add new value "atom". (use_carry, movu): New attr. (atom.md): Include atom.md. (adddi3_carry_rex64): Set attr "use_carry". (addqi3_carry): Likewise. (addhi3_carry): Likewise. (addsi3_carry): Likewise. (*addsi3_carry_zext): Likewise. (subdi3_carry_rex64): Likewise. (subqi3_carry): Likewise. (subhi3_carry): Likewise. (subsi3_carry): Likewise. (x86_movdicc_0_m1_rex64): Likewise. (*x86_movdicc_0_m1_se): Likewise. (x86_movsicc_0_m1): Likewise. (*x86_movsicc_0_m1_se): Likewise. (*adddi_1_rex64): Emit add insn as much as possible. (*addsi_1): Likewise. (return_internal): Set atom_unit. (return_internal_long): Likewise. (return_pop_internal): Likewise. (*rcpsf2_sse): Set atom_sse_attr attr. (*qrt2_sse): Likewise. (*prefetch_sse): Likewise. * config/i386/i386-c.c (ix86_target_macros_internal): New case PROCESSOR_ATOM. (ix86_target_macros_internal): Likewise. * config/i386/sse.md (cpu): Set attr "atom_sse_attr". (*prefetch_sse_rex): Likewise. (sse_rcpv4sf2): Likewise. (sse_vmrcpv4sf2): Likewise. (sse_sqrtv4sf2): Likewise. (_vmsqrt2): Likewise. (sse_ldmxcsr): Likewise. (sse_stmxcsr): Likewise. (*sse_sfence): Likewise. (sse2_clflush): Likewise. (*sse2_mfence): Likewise. (*sse2_lfence): Likewise. (avx_movup): Set attr "movu". (_movup): Likewise. (avx_movdqu): Likewise. (avx_lddqu): Likewise. (sse2_movntv2di): Change attr "type" to "ssemov". (sse2_movntsi): Likewise. (rsqrtv8sf2): Change attr "type" to "sseadd". (sse3_addsubv2df3): Set attr "atom_unit". (sse3_hv4sf3): Likewise. (*sse2_pmaddwd): Likewise. (*vec_extractv2di_1_rex64): Likewise. (*vec_extractv2di_1_avx): Likewise. (sse2_psadbw): Likewise. (ssse3_phaddwv8hi3): Likewise. (ssse3_phaddwv4hi3): Likewise. (ssse3_phadddv4si3): Likewise. (ssse3_phadddv2si3): Likewise. (ssse3_phaddswv8hi3): Likewise. (ssse3_phaddswv4hi3): Likewise. (ssse3_phsubwv8hi3): Likewise. (ssse3_phsubwv4hi3): Likewise. (ssse3_phsubdv4si3): Likewise. (ssse3_phsubdv2si3): Likewise. (ssse3_phsubswv8hi3): Likewise. (ssse3_phsubswv4hi3): Likewise. (ssse3_pmaddubsw128): Likewise. (sse3_pmaddubsw: Likewise. (ssse3_palignrti): Likewise. (ssse3_palignrdi): Likewise. 2009-04-06 Gerald Pfeifer * doc/install.texi (Specific): Fix two cross-references to MinGW. 2009-04-06 Richard Guenther PR tree-optimization/28868 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track of which PHI results we inserted. (insert_into_preds_of_block): Record inserted PHIs. (eliminate): Eliminate redundant PHI nodes. (init_pre): Init inserted_phi_names. 2009-04-06 Richard Guenther PR tree-optimization/39643 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and IMAGPART_EXPRs of complex constants. (execute_fold_all_builtins): If we folded a call queue TODO_update_address_taken. 2009-04-06 Jan Hubicka PR middle-end/39659 * except.c (remove_unreachable_regions): Propagate may_contain_throw flag. 2009-04-06 Andrew Stubbs * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the delay slot. (ic_invalidate_array): Likewise. 2009-04-06 Hariharan Sandanagobalane * calls.c (emit_library_call_value_1): Fix a problem with parameter alignment for library calls. 2009-04-06 Danny Smith * config.gcc (mingw32 tm_file): Add mingw-stdint.h. (mingw32 tm clause use_gcc_stdint): Set to wrap. * config/i386/mingw-stdint.h: New file. 2009-04-05 Richard Guenther PR tree-optimization/39648 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around our &A vs. &A[0] IL deficiencies. 2009-04-04 Jan Hubicka * except.c (sjlj_find_directly_reachable_regions): Be ready for removed toplevel regions. (sjlj_mark_call_sites): Likewise. 2009-04-04 Dave Korn * config.gcc (cygwin tm_file): Add cygwin-stdint.h. (cygwin tm clause use_gcc_stdint): Set to wrap. * config/i386/cygwin-stdint.h: New file. 2009-04-04 Richard Guenther * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency. * tree-ssa-copy.c (init_copy_prop): Do not propagate through single-argument PHIs if we are in loop-closed SSA form. * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards for the pre-condition. (slpeel_tree_peel_loop_to_edge): Likewise. (vect_build_loop_niters): Take an optional sequence to append stmts. (vect_generate_tmps_on_preheader): Likewise. (vect_do_peeling_for_loop_bound): Take extra guards for the pre-condition. (vect_do_peeling_for_alignment): Adjust. Unconditionally apply the cost model check. (vect_loop_versioning): Take stmt and stmt list to put pre-condition guards if we are going to peel. Do not apply versioning in that case. * tree-vectorizer.h (vect_loop_versioning): Adjust declaration. (vect_do_peeling_for_loop_bound): Likewise. * tree-vect-loop.c (vect_transform_loop): If we are peeling for loop bound only record extra pre-conditions, do not apply loop versioning. 2009-04-04 Richard Guenther * tree-ssa-operands.c (pop_stmt_changes): Remove automatic renaming code. 2009-04-04 Jan Hubicka * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use last_basic_block for size of bb->index indexed array. * bt-load.c (compute_defs_uses_and_gen, compute_kill, compute_out, link_btr_uses, build_btr_def_use_webs, build_btr_def_use_webs, migrate_btr_defs): Likewise. 2009-04-04 Jan Hubicka * except.c (remove_eh_handler_and_replace): Break out from ... (remove_eh_handler): ... here. (bring_to_root): New function. (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime handled ones, bring others to root of tree. 2009-04-04 Jan Hubicka * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully. (all_phis_safe_to_merge): New function. (update_info): New structure. (make_eh_edge_and_update_phi, update_eh_edges): New functions. (cleanup_empty_eh): Update SSA if possible. 2009-04-04 Richard Guenther * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs. * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0. (append_vuse): Likewise. 2009-04-04 Jakub Jelinek * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value. * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED instead of REG_UNSAVED for DW_CFA_undefined. (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED. (uw_update_context): If RA column is REG_UNDEFINED, mark it as outermost frame. 2009-04-04 Richard Earnshaw PR target/39501 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT. * testsuite/gcc.c-torture/execute/pr39501.c: New file. * testsuite/gcc.c-torture/execute/pr39501.x: New file. 2009-04-04 Richard Guenther PR tree-optimization/8781 PR tree-optimization/37892 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare. * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function. (valueize_refs): Call it for *& valueizations. (shared_reference_ops_from_ref): Rename to ... (valueize_shared_reference_ops_from_ref): ... this and valueize. (shared_reference_ops_from_call): Rename to ... (valueize_shared_reference_ops_from_call): ... this and valueize. (vn_reference_lookup): Update. (visit_reference_op_call): Likewise. * tree-ssa-pre.c (phi_translate_1): Fold *&. (eliminate): Value-replace the call address in call statements. 2009-04-04 Richard Guenther PR tree-optimization/39636 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_array_index): Check for GIMPLE_ASSIGN before accessing the rhs code. 2009-04-03 Jason Merrill * stor-layout.c (set_sizetype): Set TYPE_CANONICAL. 2009-04-03 Steve Ellcey * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2, truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2, fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2, floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2, fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal, smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf, divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal, umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2, *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4, *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr, adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2, smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc, *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf, *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3, sqrtxf2, sqrtxf2_internal_thr, *recip_approx): Use fr_reg_or_fp01_operand instead of fr_register_operand * config/ia64/div.md (extendrf2, truncrf2, recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat, divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto. 2009-04-03 Vladimir Makarov PR rtl-optimization/39607 PR rtl-optimization/39631 Revert: 2009-03-30 Vladimir Makarov * reload.c (push_reload, find_dummy_reload): Use df_get_live_out instead of DF_LR_OUT. * ira-lives.c (process_bb_node_lives): Ditto. * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in} instead of DF_LR_{OUT,IN}. * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto. * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto. 2009-04-03 Steven Bosscher * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp. (execute_lower_omp): Always run but take the short way out if -fopenmp is not given. (gate_lower_omp): Remove, forcing the pass manager to always run the pass and always set PROP_gimple_lomp. (pass_lower_omp): Remove gate function. * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide PROP_trees. Instead, require it. * ipa-cp.c (pass_ipa_cp): Likewise. * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg. (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem. * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg and PROP_gimple_leh. 2009-04-03 Richard Guenther PR middle-end/13146 PR tree-optimization/23940 PR tree-optimization/33237 PR middle-end/33974 PR middle-end/34093 PR tree-optimization/36201 PR tree-optimization/36230 PR tree-optimization/38049 PR tree-optimization/38207 PR tree-optimization/38230 PR tree-optimization/38301 PR tree-optimization/38585 PR middle-end/38895 PR tree-optimization/38985 PR tree-optimization/39299 * tree-ssa-structalias.h: Remove. * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p. (NULL_DEF_OPERAND_P): Make of type def_operand_p. (struct vuse_element_d): Remove. (struct vuse_vec_d): Likewise. (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC, VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR, SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR, VUSE_ELEMENT_VAR): Likewise. (struct voptype_d): Likewise. (NUM_VOP_FREE_BUCKETS): Likewise. (struct ssa_operands): Remove vop_free_buckets and mpt_table fields. (struct stmt_operands_d): Remove. (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT, VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP, VDEF_NUM, VDEF_VECT): Likewise. (copy_virtual_operands): Remove. (operand_build_cmp): Likewise. (create_ssa_artificial_load_stmt): Likewise. (enum ssa_op_iter_type): Remove ssa_op_iter_vdef. (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm vuse_index and mayuse_index members. Pack and move done and iter_type members to the front. (SSA_OP_VMAYUSE): Remove. (SSA_OP_VIRTUAL_USES): Adjust. (FOR_EACH_SSA_VDEF_OPERAND): Remove. (unlink_stmt_vdef): Declare. (add_to_addressable_set): Remove. * tree-vrp.c (stmt_interesting_for_vrp): Adjust. (vrp_visit_stmt): Likewise. * doc/tree-ssa.texi (Alias analysis): Update. * doc/invoke.texi (max-aliased-vops): Remove docs. (avg-aliased-vops): Likewise. * tree-into-ssa.c (syms_to_rename): Remove. (need_to_update_vops_p): Likewise. (need_to_initialize_update_ssa_p): Rename to ... (update_ssa_initialized_fn): ... this. Track function we are initialized for. (symbol_marked_for_renaming): Simplify. (add_new_name_mapping): Do not set need_to_update_vops_p. (dump_currdefs): Use SYMS_TO_RENAME. (rewrite_update_stmt): Always walk all uses/defs. (dump_update_ssa): Adjust. (init_update_ssa): Take function argument. Track what we are initialized for. (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn. (create_new_def_for): Initialize for cfun, assert we are initialized for cfun. (mark_sym_for_renaming): Simplify. (mark_set_for_renaming): Do not initialize update-ssa. (need_ssa_update_p): Simplify. Take function argument. (name_mappings_registered_p): Assert we ask for the correct function. (name_registered_for_update_p): Likewise. (ssa_names_to_replace): Likewise. (release_ssa_name_after_update_ssa): Likewise. (update_ssa): Likewise. Use SYMS_TO_RENAME. (dump_decl_set): Do not print a newline. (debug_decl_set): Do it here. (dump_update_ssa): And here. * tree-ssa-loop-im.c (move_computations): Adjust. (movement_possibility): Likewise. (determine_max_movement): Likewise. (gather_mem_refs_stmt): Likewise. * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG or NAME_MEMORY_TAG. * tree-complex.c (update_all_vops): Remove. (expand_complex_move): Adjust. * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE. Simplify test for memory referencing statement. Exclude non-invariant ADDR_EXPRs. * tree-pretty-print.c (dump_generic_node): Do not handle memory tags. * tree-loop-distribution.c (generate_memset_zero): Adjust. (rdg_flag_uses): Likewise. * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag related code. (tree_optimize_tail_calls_1): Also split the edge from the entry block if we have degenerate PHI nodes in the first basic block. * tree.c (init_ttree): Remove memory-tag related code. (tree_code_size): Likewise. (tree_node_structure): Likewise. (build7_stat): Re-write to be build6_stat. * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove. (SSA_VAR_P): Adjust. (struct tree_memory_tag): Remove. (struct tree_memory_partition_tag): Likewise. (union tree_node): Adjust. (build7): Re-write to be build6. * tree-pass.h (pass_reset_cc_flags): Remove. (TODO_update_address_taken): New flag. (pass_simple_dse): Remove. * ipa-cp.c (ipcp_update_callgraph): Update SSA form. * params.h (MAX_ALIASED_VOPS): Remove. (AVG_ALIASED_VOPS): Likewise. * omp-low.c (expand_omp_taskreg): Update SSA form. * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs aliases the lhs in a copy stmt. * tree-ssa-dse.c (struct address_walk_data): Remove. (memory_ssa_name_same): Likewise. (memory_address_same): Likewise. (get_kill_of_stmt_lhs): Likewise. (dse_possible_dead_store_p): Simplify, use the oracle. Handle unused stores. Look through PHI nodes into post-dominated regions. (dse_optimize_stmt): Simplify. Properly remove stores. (tree_ssa_dse): Compute dominators. (execute_simple_dse): Remove. (pass_simple_dse): Likewise. * ipa-reference.c (scan_stmt_for_static_refs): Open-code gimple_loaded_syms and gimple_stored_syms computation. * toplev.c (dump_memory_report): Dump alias and pta stats. * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify. (vn_reference_eq): Likewise. (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec, copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt, valueize_vuses): Remove. (get_def_ref_stmt_vuses): Simplify. Rename to ... (get_def_ref_stmt_vuse): ... this. (vn_reference_lookup_2): New function. (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for walking equivalent vuses. Simplify. (vn_reference_lookup): Likewise. (vn_reference_insert): Likewise. (vn_reference_insert_pieces): Likewise. (visit_reference_op_call): Simplify. (visit_reference_op_load): Likewise. (visit_reference_op_store): Likewise. (init_scc_vn): Remove shared_lookup_vuses initialization. (free_scc_vn): Remove shared_lookup_vuses freeing. (sort_vuses, sort_vuses_heap): Remove. (get_ref_from_reference_ops): Export. * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses vector with single vuse pointer. (vn_reference_lookup_pieces, vn_reference_lookup, vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes. (shared_vuses_from_stmt): Remove. (get_ref_from_reference_ops): Declare. * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust. * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove memory-tag related code. * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code. (likely_value): Add comment, skip static-chain of call statements. (surely_varying_stmt_p): Adjust. (gimplify_and_update_call_from_tree): Likewise. (execute_fold_all_builtins): Do not rebuild alias info. (gimplify_and_update_call_from_tree): Properly update VOPs. * tree-ssa-loop-ivopts.c (get_ref_tag): Remove. (copy_ref_info): Remove memory-tag related code. * tree-call-cdce.c (tree_call_cdce): Rename the VOP. * ipa-pure-const.c (check_decl): Remove memory-tag related code. (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms computation. * tree-ssa-dom.c (gimple_p): Remove typedef. (eliminate_redundant_computations): Adjust. (record_equivalences_from_stmt): Likewise. (avail_expr_hash): Likewise. (avail_expr_eq): Likewise. * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs. (stmt_makes_single_load): Likewise. (stmt_makes_single_store): Likewise. * tree-ssa-alias.c: Rewrite completely. (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats, debug_mem_sym_stats, dump_mem_sym_stats_for_var, debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt, delete_mem_ref_stats, create_tag_raw, dump_points_to_info, dump_may_aliases_for, debug_may_aliases_for, new_type_alias): Remove public functions. (pass_reset_cc_flags): Remove. (pass_build_alias): Move ... * tree-ssa-structalias.c (pass_build_alias): ... here. * tree-ssa-alias.c (may_be_aliased): Move ... * tree-flow-inline.h (may_be_aliased): ... here. tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs, count_uses_and_derefs): Move ... * gimple.c: ... here. * gimple.h (count_uses_and_derefs): Declare. * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p, ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p, same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p, indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p, ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p, call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until, get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs): New functions. * tree-dfa.c (refs_may_alias_p): Move ... * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend. * tree-ssa-alias.h: New file. * tree-ssa-sink.c (is_hidden_global_store): Adjust. (statement_sink_location): Likewise. * opts.c (decode_options): Do not adjust max-aliased-vops or avg-aliased-vops values. * timevar.def (TV_TREE_MAY_ALIAS): Remove. (TV_CALL_CLOBBER): Likewise. (TV_FLOW_SENSITIVE): Likewise. (TV_FLOW_INSENSITIVE): Likewise. (TV_MEMORY_PARTITIONING): Likewise. (TV_ALIAS_STMT_WALK): New timevar. * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust. * tree-ssa-address.c (create_mem_ref_raw): Use build6. (get_address_description): Remove memory-tag related code. * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust. * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove. * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs and immediate uses in statements. Document. * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust. (dump_symbols): Remove. (dump_gimple_mem_ops): Do not dump loaded or stored syms. * alias.c (get_deref_alias_set): New function split out from ... (get_alias_set): ... here. * alias.h (get_deref_alias_set): Declare. * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused type parameter. Remove restrict pointer handling. Create a ref-all pointer in case type-based alias sets do not conflict. (vect_analyze_data_refs): Remove SMT related code. * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert. (vectorizable_load): Likewise. * tree-data-ref.h (struct dr_alias): Remove symbol_tag field. (DR_SYMBOL_TAG, DR_VOPS): Remove. * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle. Ignore vops and SMTs. (dr_analyze_alias): Likewise.. (free_data_ref): Likewise. (create_data_ref): Likewise. (analyze_all_data_dependences): Likewise. (get_references_in_stmt): Adjust. * tree-flow-inline.h (gimple_aliases_computed_p, gimple_addressable_vars, gimple_call_clobbered_vars, gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition, factoring_name_p, mark_call_clobbered, clear_call_clobbered, compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag, gimple_mem_ref_stats): Remove. (gimple_vop): New function. (op_iter_next_use): Remove vuses and mayuses cases. (op_iter_next_def): Remove vdefs case. (op_iter_next_tree): Remove vuses, mayuses and vdefs cases. (clear_and_done_ssa_iter): Do not set removed fields. (op_iter_init): Likewise. Skip vuse and/or vdef if requested. Assert we are not iterating over vuses or vdefs if not also iterating over uses or defs. (op_iter_init_use): Likewise. (op_iter_init_def): Likewise. (op_iter_next_vdef): Remove. (op_iter_next_mustdef): Likewise. (op_iter_init_vdef): Likewise. (compare_ssa_operands_equal): Likewise. (link_use_stmts_after): Handle vuse operand. (is_call_used): Use is_call_clobbered. (is_call_clobbered): Global variables are always call clobbered, query the call-clobbers bitmap. (mark_call_clobbered): Ignore global variables. (clear_call_clobbered): Likewise. * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust virtual operands sanity check. * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG): Remove. (TARGET_MEM_REF): Remove TMR_TAG operand. * tree-dfa.c (add_referenced_var): Initialize call-clobber state. Remove call-clobber related code. (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag. (dump_variable): Do not dump SMTs, memory stats, may-aliases or partitions or escape reason. (get_single_def_stmt, get_single_def_stmt_from_phi, get_single_def_stmt_with_phi): Remove. (dump_referenced_vars): Tidy. (get_ref_base_and_extent): Allow bare decls. (collect_dfa_stats): Adjust. * graphite.c (rename_variables_in_stmt): Adjust. (graphite_copy_stmts_from_block): Likewise. (translate_clast): Likewise. * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap. (EXPR_DIES): New. (translate_vuse_through_block): Use the oracle. (phi_translate_1): Adjust. (value_dies_in_block_x): Use the oracle. Cache the outcome in EXPR_DIES. (valid_in_sets): Check if the VUSE for a REFERENCE is available. (eliminate): Do not remove stmts during elimination, instead queue and remove them afterwards. (do_pre): Do not rebuild alias info. (pass_pre): Run TODO_rebuild_alias before PRE. * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code. * tree-sra.c (sra_walk_function): Use gimple_references_memory_p. (mark_all_v_defs_stmt): Remove. (mark_all_v_defs_seq): Adjust. (sra_replace): Likewise. (scalarize_use): Likewise. (scalarize_copy): Likewise. (scalarize_init): Likewise. (scalarize_ldst): Likewise. (todoflags): Remove. (tree_sra): Do not rebuild alias info. (tree_sra_early): Adjust. (pass_sra): Run TODO_update_address_taken before SRA. * tree-predcom.c (set_alias_info): Remove. (prepare_initializers_chain): Do not call it. (mark_virtual_ops_for_renaming): Adjust. (mark_virtual_ops_for_renaming_list): Remove. (initialize_root_vars): Adjust. (initialize_root_vars_lm): Likewise. (prepare_initializers_chain): Likewise. * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code. (may_propagate_copy_into_stmt): Likewise. (merge_alias_info): Do nothing for now. (propagate_tree_value_into_stmt): Adjust. (stmt_may_generate_copy): Likewise. * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do not mark symbols for renaming. (forward_propagate_addr_expr): Match up push/pop_stmt_changes with the same statement, make sure to update the new pointed-to one. * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy call statements, do not mark symbols for renaming. (mark_operand_necessary): Dump something. (ref_may_be_aliased): New function. (mark_aliased_reaching_defs_necessary_1): New helper function. (mark_aliased_reaching_defs_necessary): Likewise. (mark_all_reaching_defs_necessary_1): Likewise. (mark_all_reaching_defs_necessary): Likewise. (propagate_necessity): Do not process virtual PHIs. For non-aliased loads mark all reaching definitions as necessary. For aliased loads and stores mark the immediate dominating aliased clobbers as necessary. (visited): New global static. (perform_tree_ssa_dce): Free visited bitmap after propagating necessity. (remove_dead_phis): Perform simple dead virtual PHI removal. (remove_dead_stmt): Properly unlink virtual operands when removing stores. (eliminate_unnecessary_stmts): Schedule PHI removal after stmt removal. * tree-ssa-ter.c (is_replaceable_p): Adjust. (process_replaceable): Likewise. (find_replaceable_in_bb): Likewise. * tree-ssa.c (verify_ssa_name): Verify all VOPs are based on the single gimple vop. (verify_flow_insensitive_alias_info): Remove. (verify_flow_sensitive_alias_info): Likewise. (verify_call_clobbering): Likewise. (verify_memory_partitions): Likewise. (verify_alias_info): Likewise. (verify_ssa): Adjust.. (execute_update_addresses_taken): Export. Update SSA manually. Optimize only when optimizing. Use a local bitmap. (pass_update_address_taken): Remove TODO_update_ssa, add TODO_dump_func. (pass_update_address_taken): Just use TODO_update_address_taken. (init_tree_ssa): Do not initialize addressable_vars. (verify_ssa): Verify new VUSE / VDEF properties. Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT. Do not call verify_alias_info. (delete_tree_ssa): Clear the VUSE, VDEF operands. Do not free the loaded and stored syms bitmaps. Reset the escaped and callused solutions. Do not free addressable_vars. Remove memory-tag related code. (warn_uninitialized_var): Aliases are always available. * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust. * lambda-code.c (can_put_in_inner_loop): Adjust. (can_put_after_inner_loop): Likewise. (perfect_nestify): Likewise. * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust. (vect_gen_widened_results_half): Remove CALL_EXPR handling. (vectorizable_conversion): Do not mark symbols for renaming. * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF. (expand_call_inline): Unlink the calls virtual operands before replacing it. (tree_function_versioning): Do not call update_ssa if we are not updating clones. Simplify. * tree-ssa-phiprop.c (phivn_valid_p): Adjust. (propagate_with_phi): Likewise.. * tree-outof-ssa.c (create_temp): Remove memory tag and call clobber code. Assert we are not aliased or global. * tree-flow.h: Include tree-ssa-alias.h (enum escape_type): Remove. (struct mem_sym_stats_d): Likewise. (struct mem_ref_stats_d): Likewise. (struct gimple_df): Add vop member. Remove global_var, call_clobbered_vars, call_used_vars, addressable_vars, aliases_compted_p and mem_ref_stats members. Add syms_to_rename, escaped and callused members. (struct ptr_info_def): Remove all members, add points-to solution member pt. (struct var_ann_d): Remove in_vuse_list, in_vdef_list, call_clobbered, escape_mask, mpt and symbol_mem_tag members. * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h. (tree-ssa-structalias.o): Remove tree-ssa-structalias.h. (tree-ssa-alias.o): Likewise. (toplev.o): Add tree-ssa-alias.h (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h. * gimple.c (gimple_set_bb): Fix off-by-one error. (is_gimple_reg): Do not handle memory tags. (gimple_copy): Also copy virtual operands. Delay updating the statement. Do not reset loaded and stored syms. (gimple_set_stored_syms): Remove. (gimple_set_loaded_syms): Likewise. (gimple_call_copy_skip_args): Copy the virtual operands and mark the new statement modified. * tree-ssa-structalias.c (may_alias_p): Remove. (set_uids_in_ptset): Take the alias set to prune with as parameter. Fold in the alias test of may_alias_p. (compute_points_to_sets): Compute whether a ptr is dereferenced in a local sbitmap. (process_constraint): Deal with &ANYTHING on the lhs, reject all other ADDRESSOF constraints on the lhs. (get_constraint_for_component_ref): Assert that we don't get ADDRESSOF constraints from the base of the reference. Properly generate UNKNOWN_OFFSET for DEREF if needed. (struct variable_info): Remove collapsed_to member. (get_varinfo_fc): Remove. (new_var_info): Do not set collapsed_to. (dump_constraint): Do not follow cycles. (dump_constraint_graph): Likewise. (build_pred_graph): Likewise. (build_succ_graph): Likewise. (rewrite_constraints): Likewise. (do_simple_structure_copy): Remove. (do_rhs_deref_structure_copy): Remove. (do_lhs_deref_structure_copy): Remove. (collapse_rest_of_var): Remove. (do_structure_copy): Re-implement. (pta_stats): New global variable. (dump_pta_stats): New function. (struct constraint_expr): Make offset signed. (UNKNOWN_OFFSET): Define special value. (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN. (solution_set_expand): New helper function split out from ... (do_sd_constraint): ... here. (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets. (do_ds_constraint): Likewise. (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED and CALLUSED = *CALLUSED. (set_union_with_increment): Make inc argument signed. (type_safe): Remove. (get_constraint_for_ptr_offset): Handle unknown and negative constant offsets. (first_vi_for_offset): Handle offsets before start. Bail out early for offsets beyond the variable extent. (first_or_preceding_vi_for_offset): New function. (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint. Together with ESCAPED = *ESCAPED this properly computes reachability. (find_what_var_points_to): New function. (find_what_p_points_to): Implement in terms of find_what_var_points_to. (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global, pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1, pt_solutions_intersect): New functions. (compute_call_used_vars): Remove. (compute_may_aliases): New main entry into PTA computation. * gimple.h (gimple_p): New typedef. (struct gimple_statement_base): Remove references_memory_p. (struct gimple_statement_with_memory_ops_base): Remove vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse members. (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops, gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms, gimple_set_references_memory): Remove. (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef, gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef): New functions. * tree-cfg.c (move_block_to_fn): Fix off-by-one error. (verify_expr): Allow RESULT_DECL. (gimple_duplicate_bb): Do not copy virtual operands. (gimple_duplicate_sese_region): Adjust. (gimple_duplicate_sese_tail): Likewise. (mark_virtual_ops_in_region): Remove. (move_sese_region_to_fn): Do not call it. * passes.c (init_optimization_passes): Remove pass_reset_cc_flags and pass_simple_dse. (execute_function_todo): Handle TODO_update_address_taken, call execute_update_addresses_taken for TODO_rebuild_alias. (execute_todo): Adjust. (execute_one_pass): Init dump files early. * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars call-clobbered. (create_general_new_stmt): Clear vops. * tree-ssa-reassoc.c (get_rank): Adjust. * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark symbols for renaming. * params.def (PARAM_MAX_ALIASED_VOPS): Remove. (PARAM_AVG_ALIASED_VOPS): Likewise. * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME. (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps. * tree-ssa-operands.c: Simplify for new virtual operand representation. (operand_build_cmp, copy_virtual_operands, create_ssa_artificial_load_stmt, add_to_addressable_set, gimple_add_to_addresses_taken): Remove public functions. (unlink_stmt_vdef): New function. 2009-04-03 Alan Modra * config.gcc (powerpc-*-linux*): Merge variants. 2009-04-02 Chao-ying Fu James Grosbach * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc, num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset, cop0_sp_offset. (machine_function): Add interrupt_handler_p, use_shadow_register_set_p, keep_interrupts_masked_p, use_debug_exception_return_p. (mips_attribute_table): Add interrupt, use_shadow_register_set, keep_interrupts_masked, use_debug_exception_return. (mips_interrupt_type_p, mips_use_shadow_register_set_p, mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p): New functions. (mips_function_ok_for_sibcall): Return false for interrupt handlers. (mips_print_operand): Process COP0 registers to print $0 .. $31 correctly for GAS to process. (mips_interrupt_extra_call_saved_reg_p): New function. (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check extra registers. (mips_cfun_might_clobber_call_saved_reg_p): Likewise. (mips_compute_frame_info): Add supports for interrupt context that includes doubleword accumulators and COP0 registers. (mips_for_each_saved_acc): New function. (mips_for_each_saved_gpr_and_fpr): Change the function name from mips_for_each_saved_reg. (mips_save_reg): Save accumulators. (mips_kernel_reg_p): A new for_each_rtx callback. (mips_expand_prologue): Support interrupt handlers. (mips_restore_reg): Restore accumulators. (mips_expand_epilogue): Support interrupt handlers. (mips_can_use_return_insn): Return false for interrupt handlers. (mips_epilogue_uses): New function. * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI, UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC. (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr, cop0_move): New instructions. * config/mips/mips-protos.h (mips_epilogue_uses): Declare. * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New defines. (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM): New defines. (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines. (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For interrupt handlers, we use K0 as the temporary register. (EPILOGUE_USES): Change to a function call. * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt handlers, we use K0 as the temporary register. * doc/extend.texi (Function Attributes): Document interrupt, use_shadow_register_set, keep_interrupts_masked, use_debug_exception_return for MIPS attributes. 2009-04-03 Alan Modra * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file. Remove a number of t-files from tmake_file. * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype. * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define. * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set target_prototype, not TARGET_PROTOTYPE. (LINK_OS_GNU_SPEC): Define. * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S and darwin-ldoubdle.c. 2009-04-02 Michael Meissner PR driver/39293 * gcc.c (save_temps_flag): Add support for -save-temps=obj. (cpp_options): Ditto. (default_compilers): Ditto. (display_help): Ditto. (process_command): Ditto. (do_spec_1): Ditto. (set_input): Use lbasename instead of duplicate code. (save_temps_prefix): New static for -save-temps=obj. (save_temps_length): Ditto. * doc/invoke.texi (-save-temps=obj): Document new variant to -save-temps switch. 2009-04-02 Jeff Law * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count" variable. 2009-04-02 H.J. Lu * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2. * configure: Regenerated. 2009-04-02 Rafael Avila de Espindola * c-decl.c (merge_decls): Make sure newdecl and olddecl don't share the argument list. 2009-04-02 Rafael Avila de Espindola Merge 2009-02-12 Diego Novillo * varpool.c (debug_varpool): New. * cgraph.h (debug_varpool): Declare. 2009-04-02 Jan Hubicka * passes.c (init_optimization_passes): Remove two copies of ehcleanup pass. 2009-04-02 H.J. Lu * config/i386/i386.c (ix86_abi): Move initialization to ... (override_options): Here. 2009-04-02 Christian Bruel * config/sh/sh.c (sh_dwarf_register_span): New function. (TARGET_DWARF_REGISTER_SPAN): Define. * config/sh/sh-protos.h (sh_dwarf_register_span): Declare. 2009-04-02 Ira Rosen PR tree-optimization/39595 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of interleaved loads group is not greater than the SLP group size. 2009-04-02 Rafael Avila de Espindola * builtins.c (is_builtin_name): New. (called_as_built_in): Use is_builtin_name. * tree.h (is_builtin_name): New. * varasm.c (incorporeal_function_p): Use is_builtin_name 2009-04-02 Andrew Stubbs * config/sh/linux-unwind.h: Disable when inhibit_libc is defined. 2009-04-02 Dodji Seketeli PR c++/26693 * c-decl.c (clone_underlying_type): Move this ... * c-common.c (set_underlying_type): ... here. Also, make sure the function properly sets TYPE_STUB_DECL() on the newly created typedef variant type. * c-common.h (is_typedef_decl, set_underlying_type): Declare ... * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points. 2009-04-02 Richard Guenther PR tree-optimization/37221 * tree-flow.h (degenerate_phi_result): Declare. * tree-ssa-dom.c (degenerate_phi_result): Export. * tree-scalar-evolution.c (analyze_initial_condition): If the initial condition is defined by a degenerate PHI node use the degenerate value. 2009-04-01 Eric Botcazou PR rtl-optimization/39588 * combine.c (merge_outer_ops): Do not set the constant when this is not necessary. (simplify_shift_const_1): Do not modify it either in this case. 2009-04-01 Steven Bosscher * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1 tuning is deprecated if -mtune value is set to an Itanium1 variant. 2009-04-01 Janis Johnson PR c/29027 * c-lex.c (interpret_float): Default (no suffix) is double. 2009-04-1 Xinliang David Li * config/i386/i386.c (legitimate_constant_p): Recognize all one vector constant. 2009-04-01 Jan-Benedict Glaw * gcc/config/vax/vax.c: Add #includes to silence warnings. Change #include order to silence two warnings. 2009-04-01 Jan-Benedict Glaw * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit. (ASM_SPEC): Pass -k to the assembler for PIC code. 2009-04-01 Jan-Benedict Glaw * gcc/config.gcc: Add vax-*-linux* to the switch. * gcc/config/vax/linux.h: New file. (TARGET_VERSION, TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define. 2009-04-01 Jan-Benedict Glaw * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p): Use predicate macros instead of GET_CODE() == foo. * gcc/config/vax/vax.md (movsi_2, movstrictqi, and3, ashrsi3, ashlsi3, rotrsi3, ): Likewise. 2009-04-01 Jan-Benedict Glaw * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi, jbbccihi, jbbccisi): Remova trailing whitespace. * gcc/config/vax/constraints.md: Likewise. * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise. * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise. * gcc/config/vax/predicates.md: Likewise. * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move, vax_expand_addsub_di_operands, adjacent_operands_p): Likewise. * gcc/config/vax/vax.h: Likewise. * gcc/config/vax/vax.md (nonlocal_goto): Likewise. 2009-04-01 Jan-Benedict Glaw * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move) (indirectable_address_p, adjacent_operands_p): Add spaces around braces. * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise. 2009-04-01 Jan-Benedict Glaw * gcc/config/vax/vax.c (legitimate_constant_address_p, legitimate_constant_p, indirectable_address_p, nonindexed_address_p, index_term_p, reg_plus_index_p, legitimate_address_p, vax_mode_dependent_address_p): Update comments to match functions modified by the recent int->bool conversion. 2009-04-01 Jan-Benedict Glaw * gcc/config/vax/builtins.md: Update copyright message. * gcc/config/vax/constraints.md: Likewise. * gcc/config/vax/netbsd-elf.h: Likewise. * gcc/config/vax/predicates.md: Likewise. * gcc/config/vax/vax-protos.h: Likewise. * gcc/config/vax/vax.c: Likewise. * gcc/config/vax/vax.h: Likewise. * gcc/config/vax/vax.md: Likewise. * gcc/config/vax/vax.opt: Likewise. 2009-04-01 Jan-Benedict Glaw * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal, sync_lock_test_and_set, sync_lock_release): Fix indention. * gcc/config/vax/constraints.md (B, R): Likewise. * gcc/config/vax/predicates.md (external_memory_operand, nonimmediate_addsub_di_operand): Likewise. * gcc/config/vax/vax.c (vax_output_int_add): Likewise. * gcc/config/vax/vax.md (movsi, movsi_2, mov, call_value, untyped_call): Likewise. 2009-04-01 Matt Thomas * config/vax/predicates.md: New file. (symbolic_operand, local_symbolic_operand, external_symbolic_operand, external_const_operand, nonsymbolic_operand, external_memory_operand, indirect_memory_operand, indexed_memory_operand, illegal_blk_memory_operand, illegal_addsub_di_memory_operand, nonimmediate_addsub_di_operand, general_addsub_di_operand): New predicate. * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint. * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal, sync_lock_test_and_set, jbbssiqi, jbbssihi, jbbssisi, sync_lock_release, jbbcciqi, jbbccihi, jbbccisi): Define. * config/vax/vax.opt (mqmath): Add option. * config/vax/vax.md (isfx): Extend with DI. (VAXintQH, VAXintQHSD): Define. (tst, cmp, *bit, movmemhi1, truncsiqi2, truncsihi2, mulsidi3, add3, sub, mul3, div3, and, and_const_int, ior3, xor3, neg2, one_cmpl2, ashlsi3, lshrsi3, rotlsi3): Update constraints. (movdi): Update constraints and use vax_output_int_move(). (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg, movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym, pushlclsym, movlclsym, movaddr, pushaddr, nonlocal_goto): New. (mov): Extend accepted operand types. (subdi3_old): Rename from subdi3, change update constraints and use a new implementation. * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space. (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS, MOVE_RATIO, CLEAR_RATIO): Define. (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete. (PRINT_OPERAND): Redefine using a function instead of inlined code. * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define. (split_quadword_operands): Make static and really allow variable splitting. (print_operand_address): Update for PIC generation. (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract, indexable_address_p, fixup_mathdi_operand, vax_expand_addsub_di_operands, adjacent_operands_p): New. (vax_float_literal, legitimate_constant_p, indirectable_constant_address_p, index_term_p, reg_plus_index_p): Return bool instead of int. (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT where needed. (vax_output_int_move, vax_output_int_add): Extend to allow PIC generation. (vax_output_conditional_branch): Indent. (legitimate_constant_address_p, indirectable_constant_address_p, indirectable_address_p, nonindexed_address_p, legitimate_address_p, vax_mode_dependent_address_p): Return bool instead of int, update for PIC generation. * config/vax/vax-protos.h (legitimate_constant_address_p, legitimate_constant_p, legitimate_address_p, vax_mode_dependent_address_p): Change declaration to bool. (legitimate_pic_operand_p, adjacent_operands_p, print_operand, vax_expand_addsub_di_operands, vax_output_int_subtract, vax_output_movmemsi): Declare. (split_quadword_operands, vax_float_literal): Delete declaration. * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define. * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS, VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT, ASM_OUTPUT_DWARF_PCREL): Define. (ASM_SPEC): Change definition to allow PIC generation. 2009-04-01 Steve Ellcey * doc/sourcebuild.texi: Update front-end requirements. 2009-04-01 Jakub Jelinek PR target/39226 * config/rs6000/rs6000.md (andsi3_internal5_nomc, anddi3_internal2_nomc, anddi3_internal3_nomc): Removed. (booldi3_internal3): Use boolean_or_operator instead of boolean_operator. 2009-04-01 Joseph Myers PR c/39605 * c-decl.c (grokdeclarator): Pedwarn for file-scope array declarator whose size is not an integer constant expression but folds to an integer constant, then treat it as a constant subsequently. 2009-04-01 Richard Guenther * fold-const.c (fold_plusminus_mult_expr): Do not fold i * 4 + 2 to (i * 2 + 1) * 2. 2009-04-01 Jakub Jelinek PR c/37772 * c-parser.c (c_parser_asm_statement): Skip until close paren and return if c_parser_asm_string_literal returned NULL. 2009-04-01 Nick Clifton * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not already defined. * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c. * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the other typedefs to avoid conflicts with libgcc2.c. Define labels to gain 16-bit bit-manipulation functions from libgcc2.c and then include it. * config/m32c/m32c-lib2-trapv.c: New file. Define labels to gain 16-bit trapping arithmetic functions from libgcc2.c and then include it. 2009-04-01 Rafael Avila de Espindola * varasm.c (default_function_rodata_section): Declare DOT as const char*. 2009-04-01 Kai Tietz Andrey Galkin PR/39492 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Make object_name unique for each process. 2009-04-01 Jakub Jelinek PR other/39591 * omp-low.c (remove_exit_barrier): Don't optimize if there are any addressable variables in the parallel that could go out of scope while running queued tasks. 2009-04-01 Anatoly Sokolov * config/avr/avr.h (avr_case_values_threshold): Remove declaration. (CASE_VALUES_THRESHOLD): Redefine. * config/avr/avr.c (avr_override_options): Remove initialization of avr_case_values_threshold variable. (avr_case_values_threshold): Remove variable. Add new function. * config/avr/avr-protos.h (avr_case_values_threshold): Declare. * config/avr/avr.opt (mno-tablejump): Remove option. * doc/invoke.texi (AVR Options): Remove -mno-tablejump. 2009-04-01 DJ Delorie * varasm.c (default_function_rodata_section): Don't assume anything about where the first '.' in the section name is. 2009-04-01 Alan Modra * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant rs6000_emit_stack_tie. 2009-03-31 Ian Lance Taylor * tree-eh.c (tree_remove_unreachable_handlers): Compare gimple_code with GIMPLE_RESX, not RESX. 2009-03-31 Joseph Myers * c-common.c (c_get_ident): New. (c_common_nodes_and_builtins): Call it for type names that may be NULL. 2009-04-01 Ben Elliston * config/rs6000/sysv4.opt (msdata): Improve option description. 2009-03-31 Steve Ellcey * config/ia64/ia64.md (divsf3_internal_lat): Remove. (divdf3_internal_lat): Remove. (divxf3_internal_lat): Remove. (divxf3_internal_thr): Remove. (divxf): Use divxf3_internal. * config/ia64/div.md (divsf3_internal_lat): New. (divdf3_internal_lat): New. (divxf3_internal): New. 2009-03-31 Joseph Myers PR c/448 * Makefile.in (USE_GCC_STDINT): Define. (stmp-int-hdrs): Install stdint.h if applicable. * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE if known. (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known. (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE, INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE, UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE, UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define. (c_common_nodes_and_builtins): Initialize underlying_wchar_type_node. Do not initialize signed_wchar_type_node or unsigned_wchar_type_node. Initialize nodes for new types. (c_stddef_cpp_builtins): Define macros for new types. * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE): Remove. (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE, CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE, CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE, CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE, CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE, CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE, CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE, CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE, CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define. (signed_wchar_type_node, unsigned_wchar_type_node): Remove. (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node, int16_type_node, int32_type_node, int64_type_node, uint8_type_node, uint16_type_node, c_uint32_type_node, c_uint64_type_node, int_least8_type_node, int_least16_type_node, int_least32_type_node, int_least64_type_node, uint_least8_type_node, uint_least16_type_node, uint_least32_type_node, uint_least64_type_node, int_fast8_type_node, int_fast16_type_node, int_fast32_type_node, int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node, uint_fast32_type_node, uint_fast64_type_node, intptr_type_node, uintptr_type_node): Define. * c-cppbuiltin.c (builtin_define_constants, builtin_define_type_minmax): New. (builtin_define_stdint_macros): Define more macros. (c_cpp_builtins): Define more limit macros. (type_suffix): New. (builtin_define_type_max): Define in terms of builtin_define_type_minmax. Remove is_long parameter. All callers changed. * config.gcc (use_gcc_stdint): Define. (tm_file): Add glibc-stdint.h for targets using glibc or uClibc. Add newlib-stdint.h for generic targets. * config/glibc-stdint.h, config/newlib-stdint.h, ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New. * config/m32c/m32c.h (UINTPTR_TYPE): Define. * config/score/score.h (UINTPTR_TYPE): Define. * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE, INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE, UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE, UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define. * config/spu/spu.h (STDINT_LONG32): Define. * configure.ac (use_gcc_stdint): Substitute. * configure: Regenerate. * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__, __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__, __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__, __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__, __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__, __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__, __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__, __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__, __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__, __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__, __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__, __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__, __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__, __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__, __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__, __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__, __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__, __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__, __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__, __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C, __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document. * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE, INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE, UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE, UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document. 2009-03-31 Bernd Schmidt * loop-iv.c (suitable_set_for_replacement): Renamed from simplify_using_assignment; changed to return bool and to accept new args DEST and SRC. Return true iff we find a source/destination pair that can be used to make a replacement, and fill SRC and DEST if so. Remove arg ALTERED. Don't deal with altered regs here. All callers changed. (simplify_using_initial_values): Deal with altered regs here and track more precisely the effect they have on the validity of our expression. * loop-iv.c (simplify_using_condition): A condition of the form (EQ REG CONST) can be used to simply make a substitution. (simplify_using_initial_values): Keep track of conditions we have seen and keep using them to simplify new expressions, while applying the same substitutions to them as to the expression. * simplify-rtx.c (simplify_relational_operation_1): Simplify (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with GEU/LTU reversed. * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers changed. Use this when trying to improve the upper bound. Generate the comparison by using simplify_gen_relational. * loop-iv.c (simple_rhs_p): Allow more kinds of expressions. * loop-iv.c (replace_single_def_regs, replace_in_expr): New static functions. (simplify_using_assignment, simplify_using_initial_values): Call replace_in_expr to make replacements. Call replace_single_def_regs once on the initial version of the expression. 2009-03-31 Ramana Radhakrishnan PR target/27237 * doc/invoke.texi (ARM Options): Update documentation for -mthumb. 2009-03-31 Richard Guenther PR middle-end/31029 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for equality comparisons. Fold C - X CMP X if C % 2 == 1. 2009-03-31 Richard Guenther * tree.h (div_if_zero_remainder): Declare. * fold-const.c (div_if_zero_remainder): Export. * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_array_index): Handle constant array index addition outside of the variable index. 2009-03-31 Joseph Myers PR target/39592 * config/i386/i386.md (*floatunssi2_1, two unnamed define_splits, floatunssi2): Require x87 conversions from DImode to be permitted. 2009-03-31 Joseph Myers PR preprocessor/15638 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL. 2009-03-31 Richard Guenther PR middle-end/23401 PR middle-end/27810 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove. (struct tree_decl_with_vis): Remove gimple_formal_temp member. * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to a separate statement. * gimplify.c (pop_gimplify_context): Remove formal temp handling. (lookup_tmp_var): Likewise. (is_gimple_formal_tmp_or_call_rhs): Remove. (is_gimple_reg_or_call_rhs): Rename to ... (is_gimple_reg_rhs_or_call): ... this. (is_gimple_mem_or_call_rhs): Rename to ... (is_gimple_mem_rhs_or_call): ... this. (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set DECL_GIMPLE_REG_P only if is_formal is true. (gimplify_compound_lval): Use is_gimple_reg. Remove workaround for non-proper post-modify expression gimplification. (gimplify_self_mod_expr): For post-modify expressions gimplify the lvalue to a minimal lvalue. (rhs_predicate_for): Remove formal temp case. (gimplify_modify_expr_rhs): Likewise. (gimplify_addr_expr): Use is_gimple_reg. (gimplify_expr): Remove formal temp cases. (gimple_regimplify_operands): Likewise. * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR and FILTER_EXPR like constants. * gimple.c (walk_gimple_op): Fix val_only initialization, use is_gimple_reg. (is_gimple_formal_tmp_rhs): Remove. (is_gimple_reg_rhs): Remove special casing. (is_gimple_mem_rhs): Fix. (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier. (is_gimple_formal_tmp_var): Remove. (is_gimple_formal_tmp_reg): Likewise. (is_gimple_min_lval): Allow invariant component ref parts. * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var, is_gimple_formal_tmp_reg): Remove declarations. * tree-cfg.c (verify_expr): Verify that variables with address taken do not have DECL_GIMPLE_REG_P set. * tree-mudflap.c (mf_build_check_statement_for): Use force_gimple_operand instead of gimplify_expr. 2009-03-31 Ayal Zaks * modulo-sched.c (sms_schedule_by_order): Pass the actual schedulable rows to compute_split_row. 2009-03-31 Ben Elliston PR target/31635 * config/rs6000/rs6000.c (rs6000_handle_option): Handle OPT_mvrsave. 2009-03-31 Alan Modra * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers. * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check. * configure: Regenerate. * config.in: Regenerate. * config/rs6000/rs6000.opt (mtls-markers): Add. * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define. * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter. (tls_ld_aix, tls_ld_sysv): Likewise. (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns. (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise. 2009-03-31 Alan Modra * config/spu/spu.c (spu_expand_prologue): Delete redundant code. 2009-03-30 Jan Hubicka * tree-eh.c (make_eh_edges): Set probability 100% to first edge out of RESX. (tree_remove_unreachable_handlers): Cleanup EH predecestor detection and label handling. 2009-03-30 Vladimir Makarov * ira-int.h (ira_allocno): Rename left_conflicts_num to left_conflicts_size. (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to ALLOCNO_LEFT_CONFLICTS_SIZE. * ira-color.c (allocno_spill_priority, push_allocno_to_stack, remove_allocno_from_bucket_and_push, allocno_spill_priority_compare, push_allocnos_to_stack, setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE instead of ALLOCNO_LEFT_CONFLICTS_NUM. (setup_allocno_left_conflicts_num): Ditto. Rename to setup_allocno_left_conflicts_size. (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE instead of ALLOCNO_LEFT_CONFLICTS_NUM and setup_allocno_left_conflicts_size instead of setup_allocno_left_conflicts_num. * ira-build.c (ira_create_allocno): Use ALLOCNO_LEFT_CONFLICTS_SIZE instead of ALLOCNO_LEFT_CONFLICTS_NUM. 2009-03-30 Vladimir Makarov * reload.c (push_reload, find_dummy_reload): Use df_get_live_out instead of DF_LR_OUT. * ira-lives.c (process_bb_node_lives): Ditto. * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in} instead of DF_LR_{OUT,IN}. * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto. * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto. 2009-03-30 Jan Hubicka * except.c (label_to_region_map): Fix thinko. 2009-03-30 Steve Ellcey PR middle-end/38237 * tree.h (tree_find_value): New declaration. * tree.c (tree_find_value): New function. * varasm.c (assemble_external): Avoid duplicate entries on lists. 2009-03-30 Jakub Jelinek PR debug/39563 * c-decl.c (struct c_binding): Add locus field. (bind): Add locus argument, set locus field from it. (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL, add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS. (push_file_scope, pushtag, pushdecl, pushdecl_top_level, implicitly_declare, undeclared_variable, lookup_label, declare_label, c_make_fname_decl, c_builtin_function, c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust bind callers. 2008-03-30 H.J. Lu PR target/38781 * config/i386/i386.c (classify_argument): Check total size of structure. 2009-03-30 Martin Jambor * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST, IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN, IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH respectively. * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if seen_variable_array_ref while also traversing a union. * tree-inline.c (optimize_inline_calls): Do not call cgraph_node_remove_callees. * cgraphbuild.c (remove_cgraph_callee_edges): New function. (pass_remove_cgraph_callee_edges): New variable. * passes.c (init_optimization_passes): Add pass_remove_cgraph_callee_edges after early inlining and before all late intraprocedural passes. * omp-low.c (expand_omp_taskreg): Always set current_function_decl. 2009-03-30 Paolo Bonzini * config/sparc/sparc.md (*nand_vis, *nand_vis): Fix typos in names. 2009-03-30 Paolo Bonzini * combine.c (simplify_comparison): Use have_insn_for. * dojump.c (do_jump): Likewise. 2009-03-30 Paolo Bonzini * config/sparc/sparc.c (sparc_compare_emitted): Remove. (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC sparc_compare_op0 like sparc_compare_emitted used to be handled. (sparc_expand_compare_and_swap_12): Set sparc_compare_op0 instead of sparc_compare_emitted. * config/sparc/sparc.h (sparc_compare_emitted): Remove. * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0 instead of sparc_compare_emitted. 2009-03-30 Paolo Bonzini * bb-reorder.c (partition_hot_cold_basic_blocks): Do not enter/exit cfglayout mode. (pass_partition_block): Require it. * combine.c (find_single_use, reg_dead_at_p): Use CFG. (combine_instructions): Track basic blocks instead of labels. (update_cfg_for_uncondjump): New. (try_combine): Use it. Update jumps after rescanning. (pass_combine): Require PROP_cfglayout. * passes.c (pass_outof_cfg_layout_mode): Move after regmove. 2009-03-30 Paolo Bonzini * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): Provide/destroy PROP_cfglayout respectively. * gcse.c (pass_jump_bypass, pass_gcse): Require it. * tree-pass.h (PROP_cfglayout): New. 2009-03-30 Paolo Bonzini * fold-const.c (const_binop, fold_convert_const_real_from_fixed, fold_convert_const_fixed_from_fixed, fold_convert_const_fixed_from_int, fold_convert_const_fixed_from_real, fold_negate_const): Do not set TREE_CONSTANT_OVERFLOW. * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW. * tree.h (TREE_CONSTANT_OVERFLOW): Delete. 2009-03-30 Ira Rosen * tree-vect-loop-manip.c: New file. * tree-vectorizer.c: Update documentation and included files. (vect_loop_location): Make extern. (rename_use_op): Move to tree-vect-loop-manip.c (rename_variables_in_bb, rename_variables_in_loop, slpeel_update_phis_for_duplicate_loop, slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes, slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard, slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling, set_prologue_iterations, slpeel_tree_peel_loop_to_edge, find_loop_location): Likewise. (new_stmt_vec_info): Move to tree-vect-stmts.c. (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info, get_vectype_for_scalar_type, vect_is_simple_use, supportable_widening_operation, supportable_narrowing_operation): Likewise. (bb_in_loop_p): Move to tree-vect-loop.c. (new_loop_vec_info, destroy_loop_vec_info, reduction_code_for_scalar_code, report_vect_op, vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise. (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c. (vect_supportable_dr_alignment): Likewise. * tree-vectorizer.h (tree-data-ref.h): Include. (vect_loop_location): Declare. Reorganize function declarations according to the new file structure. * tree-vect-loop.c: New file. * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c. * tree-vect-data-refs.c: New file. * tree-vect-patterns.c (timevar.h): Don't include. * tree-vect-stmts.c: New file. * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c. * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o. (tree-vect-analyze.o): Remove. (tree-vect-transform.o): Likewise. (tree-vect-data-refs.o): Add rule. (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o): Likewise. (tree-vect-patterns.o): Remove redundant dependencies. (tree-vectorizer.o): Likewise. * tree-vect-slp.c: New file. 2009-03-30 Ralf Wildenhues * optc-gen.awk: Warn if an option flag has multiple different help strings. 2009-03-30 Sebastian Pop * doc/invoke.texi (-floop-interchange, -floop-strip-mine, -floop-block): Document dependences on PPL, CLooG and Graphite. 2009-03-30 Joseph Myers PR rtl-optimization/323 * c-common.c (c_fully_fold, convert_and_check, c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR. (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR. * c-common.def (EXCESS_PRECISION_EXPR): New. * c-cppbuiltin.c (builtin_define_float_constants): Define constants with enough digits for long double. * c-lex.c (interpret_float): Interpret constant with excess precision where appropriate. * c-opts.c (c_common_post_options): Set flag_excess_precision_cmdline. Give an error for -fexcess-precision=standard for C++ for processors where the option is significant. * c-parser.c (c_parser_conditional_expression): Handle excess precision in condition. * c-typeck.c (convert_arguments): Handle arguments with excess precision. (build_unary_op): Move excess precision outside operation. (build_conditional_expr): Likewise. (build_compound_expr): Likewise. (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR. (build_modify_expr): Handle excess precision in RHS. (convert_for_assignment): Handle excess precision in converted value. (digest_init, output_init_element, process_init_element): Handle excess precision in initializer. (c_finish_return): Handle excess precision in return value. (build_binary_op): Handle excess precision in operands and add excess precision as needed for operation. * common.opt (-fexcess-precision=): New option. * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New. * config/i386/i386.md (float2): For standard excess precision, output explicit conversion to and truncation from XFmode. (*float2_1, *float2_i387_with_temp, *float2_i387, two unnamed define_splits, floatdi2_i387_with_xmm, two unnamed define_splits, *floatunssi2_1, two unnamed define_splits, floatunssi2, add3, sub3, mul3, divdf3, divsf3, *fop__comm_i387, *fop__1_i387, *fop__2_i387, *fop__3_i387, *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed define_splits, sqrt2): Disable where appropriate for standard excess precision. * convert.c (convert_to_real): Do not shorten arithmetic to type for which excess precision would be used. * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define. * doc/invoke.texi (-fexcess-precision=): Document option. (-mfpmath=): Correct index entry. * flags.h (enum excess_precision, flag_excess_precision_cmdline, flag_excess_precision): New. * langhooks.c (lhd_post_options): Set flag_excess_precision_cmdline. * opts.c (common_handle_option): Handle -fexcess-precision=. * toplev.c (flag_excess_precision_cmdline, flag_excess_precision, init_excess_precision): New. (lang_dependent_init_target): Call init_excess_precision. * tree.c (excess_precision_type): New. * tree.h (excess_precision_type): Declare. 2009-03-30 Joseph Myers PR c/35235 * c-typeck.c (build_component_ref): Do not copy qualifiers from non-lvalue to component. 2009-03-29 Joseph Myers PR preprocessor/34695 * Makefile.in (c-opts.o): Depend on c-tree.h. * c-common.c: Move down include of diagnostic.h. (done_lexing, c_cpp_error): New. * c-common.h (done_lexing): Declare. * c-decl.c (c_write_global_declarations): Don't check cpp_errors (parse_in). * c-opts.c: Include c-tree.h. (c_common_init_options): Set preprocessor error callback. (c_common_handle_option): Do not set preprocessor inhibit_warnings, warnings_are_errors, warn_system_headers, pedantic_errors or inhibit_warnings flags. (c_common_post_options): Do not check cpp_errors (parse_in). (c_common_finish): Do not output dependencies if there were errors. Do not check return value of cpp_finish. * c-ppoutput.c (pp_file_change): Set input_location. * c-tree.h (c_cpp_error): Declare. * diagnostic.c (diagnostic_set_info_translated): Also initialize override_column. (diagnostic_build_prefix): Check override_column. * diagnostic.h (diagnostic_info): Add override_column field. (diagnostic_override_column): Define. 2009-03-28 Paolo Bonzini * c-common.c (c_expand_expr, c_staticp): Remove. * c-common.def (COMPOUND_LITERAL_EXPR): Delete. * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove. * c-gimplify.c (gimplify_compound_literal_expr, optimize_compound_literals_in_ctor): Remove. (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling. * c-objc-common.h (LANG_HOOKS_STATICP): Remove. * c-semantics.c (emit_local_var): Remove. * langhooks-def.h (lhd_expand_expr): Remove. * langhooks.c (lhd_expand_expr): Remove. * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR. * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR handling from c-semantics.c; don't call into langhook. (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees. * gimplify.c (gimplify_compound_literal_expr, optimize_compound_literals_in_ctor): Move from c-gimplify.c. (gimplify_init_constructor): Call optimize_compound_literals_in_ctor. (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR as was done in c-gimplify.c. * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp. * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR): Move from c-common.h. * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def. * tree.c (staticp): Do not call langhook. * langhooks.c (lhd_staticp): Delete. * langhooks-def.h (lhd_staticp): Delete prototype. (LANG_HOOKS_STATICP): Delete. (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP. * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs instead of DECL_STMTs. 2009-03-29 Joseph Myers PR c/456 PR c/5675 PR c/19976 PR c/29116 PR c/31871 PR c/35198 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in void_type_node. (fold_call_expr): Return a NOP_EXPR from folding rather than the contained expression. * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New. (c_common_truthvalue_conversion): Use c_save_expr. Do not fold conditional expressions for C. (decl_constant_value_for_optimization): Move from decl_constant_value_for_broken_optimization in c-typeck.c. Check whether optimizing and that the expression is a VAR_DECL not of array type instead of doing such checks in the caller. Do not check pedantic. Call gcc_unreachable for C++. * c-common.def (C_MAYBE_CONST_EXPR): New. * c-common.h (c_fully_fold, c_save_expr, decl_constant_value_for_optimization): New prototypes. (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR, C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST, EXPR_INT_CONST_OPERANDS): Define. * c-convert.c (convert): Strip nops from expression. * c-decl.c (groktypename): Take extra parameters expr and expr_const_operands. Update call to grokdeclarator. (start_decl): Update call to grokdeclarator. Add statement for expressions used in type of decl. (grokparm): Update call to grokdeclarator. (push_parm_decl): Update call to grokdeclarator. (build_compound_literal): Add parameter non_const and build a C_MAYBE_COSNT_EXPR if applicable. (grokdeclarator): Take extra parameters expr and expr_const_operands. Track expressions used in declaration specifiers and declarators. Fold array sizes and track whether they are constant expressions and whether they are integer constant expressions. (parser_xref_tag): Set expr and expr_const_operands fields in return value. (grokfield): Update call to grokdeclarator. (start_function): Update call to grokdeclarator. (build_null_declspecs): Set expr and expr_const_operands fields in return value. (declspecs_add_type): Handle expressions in typeof specifiers. * c-parser.c (c_parser_declspecs): Set expr and expr_const_operands fields for declaration specifiers. (c_parser_enum_specifier): Likewise. (c_parser_struct_or_union_specifier): Likewise. (c_parser_typeof_specifier): Likewise. Update call to groktypename. Fold expression as needed. Return expressions with type instead of adding statements. (c_parser_attributes): Update calls to c_parser_expr_list. (c_parser_statement_after_labels): Fold expression before passing to objc_build_throw_stmt. (c_parser_condition): Fold expression. (c_parser_asm_operands): Fold expression. (c_parser_conditional_expression): Use c_save_expr. Update call to build_conditional_expr. (c_parser_alignof_expression): Update call to groktypename. (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as original_code. Fold expression argument of va_arg. Create C_MAYBE_CONST_EXPR to preserve side effects of expressions in type argument to va_arg. Update calls to groktypename. Fold array index for offsetof. Verify that first argument to __builtin_choose_expr has integer type. (c_parser_postfix_expression_after_paren_type): Update calls to groktypename and build_compound_literal. Handle expressions with side effects in type name. (c_parser_postfix_expression_after_primary): Update call to c_parser_expr_list. Set original_code for calls to __builtin_constant_p. (c_parser_expr_list): Take extra parameter fold_p. Fold expressions if requested. (c_parser_objc_type_name): Update call to groktypename. (c_parser_objc_synchronized_statement): Fold expression. (c_parser_objc_receiver): Fold expression. (c_parser_objc_keywordexpr): Update call to c_parser_expr_list. (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule, c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions. * c-tree.h (CONSTRUCTOR_NON_CONST): Define. (struct c_typespec): Add elements expr and expr_const_operands. (struct c_declspecs): Add elements expr and expr_const_operands. (groktypename, build_conditional_expr, build_compound_literal): Update prototypes. (in_late_binary_op): Declare. * c-typeck.c (note_integer_operands): New function. (in_late_binary_op): New variable. (decl_constant_value_for_broken_optimization): Move to c-common.c and rename to decl_constant_value_for_optimization. (default_function_array_conversion): Do not strip nops. (default_conversion): Do not call decl_constant_value_for_broken_optimization. (build_array_ref): Do not fold result. (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for result when operand is a VLA. (c_expr_sizeof_type): Update call to groktypename. Handle expressions included in type name. Use C_MAYBE_CONST_EXPR for result when operand names a VLA type. (build_function_call): Update call to build_compound_literal. Only fold result for calls to __builtin_* functions. Strip NOP_EXPR from INTEGER_CST returned from such functions. Fold the function designator. (convert_arguments): Fold arguments. Update call to convert_for_assignment. (build_unary_op): Handle increment and decrement of C_MAYBE_CONST_EXPR. Move lvalue checks for increment and decrement earlier. Fold operand of increment and decrement. Handle address of C_MAYBE_CONST_EXPR. Only fold expression being built for integer operand. Wrap returns that are INTEGER_CSTs without being integer constant expressions or that have integer constant operands without being INTEGER_CSTs. (lvalue_p): Handle C_MAYBE_CONST_EXPR. (build_conditional_expr): Add operand ifexp_bcp. Track whether result is an integer constant expression or can be used in unevaluated parts of one and avoid folding and wrap as appropriate. Fold operands before possibly doing -Wsign-compare warnings. (build_compound_expr): Wrap result for C99 if operands can be used in integer constant expressions. (build_c_cast): Update call to digest_init. Do not ignore overflow from casting floating-point constants to integers. Wrap results that could be confused with integer constant expressions, null pointer constants or floating-point constants. (c_cast_expr): Update call to groktypename. Handle expressions included in type name. (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold lhs inside possible SAVE_EXPR. Fold RHS before assignment. Update calls to convert_for_assignment. (convert_for_assignment): Take new parameter null_pointer_constant. Do not strip nops or call decl_constant_value_for_broken_optimization. Set in_late_binary_op for conversions to boolean. (store_init_value): Update call to digest_init. (digest_init): Take new parameter null_pointer_constant. Do not call decl_constant_value_for_broken_optimization. pedwarn for initializers not constant expressions. Update calls to convert_for_assignment. (constructor_nonconst): New. (struct constructor_stack): Add nonconst element. (really_start_incremental_init, push_init_level, pop_init_level): Handle constructor_nonconst and nonconst element. (set_init_index): Call constant_expression_warning for array designators. (output_init_element): Fold value. Set constructor_nonconst as applicable. pedwarn for initializers not constant expressions. Update call to digest_init. Call constant_expression_warning where constant initializers are required. (process_init_element): Use c_save_expr. (c_finish_goto_ptr): Fold expression. (c_finish_return): Fold return value. Update call to convert_for_assignment. (c_start_case): Fold switch expression. (c_process_expr_stmt): Fold expression. (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to ensure statement expression is not evaluated in constant expression. (build_binary_op): Track whether results are integer constant expressions or may occur in such, disable folding and wrap results as applicable. Fold operands for -Wsign-compare warnings unless in_late_binary_op. (c_objc_common_truthvalue_conversion): Handle results folded to integer constants that are not integer constant expressions. * doc/extend.texi: Document when typeof operands are evaluated, that condition of __builtin_choose_expr is an integer constant expression, and more about use of __builtin_constant_p in initializers. 2009-03-29 Richard Guenther * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly propagate addresses of array references. 2009-03-29 Steven Bosscher * regmove.c (perhaps_ends_bb_p): Remove. (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block from INSN and check that the main loop stays within that basic block. (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise. (regmove_forward_pass): Split out from regmove_optimize. Use FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream. (regmove_backward_pass): Split out from regmove_optimize. Use FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE. (regmove_optimize): Simplify. 2009-03-29 H.J. Lu PR target/39545 * config/i386/i386.c (classify_argument): Ignore flexible array member in struct and warn ABI change. 2009-03-29 H.J. Lu * config/i386/i386-protos.h (ix86_agi_dependent): New. * config/i386/i386.c (ix86_agi_dependent): Rewrite. (ix86_adjust_cost): Updated. 2009-03-29 Jan Hubicka PR middle-end/28850 * tree-pass.h (pass_cleanup_eh): New function. (remove_unreachable_regions): Break code handling RTL to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW that can not be reached by runtime. (can_be_reached_by_runtime): New function. (label_to_region_map): New function. (num_eh_regions): New function. (rtl_remove_unreachable_regions): New function. (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions. (remove_eh_region): New function. * except.h: Include sbitmap and vecprim. (remove_eh_region, remove_unreachable_regions, label_to_region_map, num_eh_regions): Declare. * passes.c (init_optimization_passes): Schedule cleanup_eh. * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it. * tree-eh.c (tree_remove_unreachable_handlers): New function. (tree_empty_eh_handler_p): New function. (cleanup_empty_eh): New function. (cleanup_eh): New function. (pass_cleanup_eh): New function. 2009-03-29 Jan Hubicka * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready for removed regions. 2009-03-29 Jan Hubicka * except.c (dump_eh_tree): Dump all datastructures. 2009-03-29 Jan Hubicka * except.c (duplicate_eh_regions_0): Handle AKA bitmap. (duplicate_eh_regions_1): Likewise. (duplicate_eh_regions): Likewise; cleanup code gorwing the region vector; call EH verification. (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1): Be ready for region being removed. 2009-03-29 Jan Hubicka * bitmap.c (bitmap_last_set_bit): New function. * bitmap.h (bitmap_last_set_bit): Declare. 2009-03-29 David Ayers PR objc/27377 * c-typeck.c (build_conditional_expr): Emit ObjC warnings by calling objc_compare_types and surpress warnings about incompatible C pointers that are compatible ObjC pointers. 2009-03-29 Adam Nemet * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't call initialize_inline_failed. (initialize_inline_failed): Move it from here ... * cgraph.c (initialize_inline_failed): ... to here. (cgraph_create_edge): Call initialize_inline_failed rather than setting inline_failed directly. 2009-03-29 Ben Elliston PR target/32542 * sysv4.opt (msdata): Improve comment. * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given. * sysv4.h (SVR4_ASM_SPEC): Likewise. 2009-03-29 Ben Elliston PR target/30451 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of load and store attributes. 2009-03-29 Ben Elliston * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ. (ix86_init_builtins): Add built-in function __builtin_huge_valq. (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ. * doc/extend.texi (X86 Built-in Functions): Add index entries for __builtin_infq and __builtin_huge_valq. 2009-03-28 Anatoly Sokolov * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and atmega8m1 devices. * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.) 2009-03-28 Xinliang David Li * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. (do_dbg_cnt): New function. 2009-03-28 Jan Hubicka Merge from pretty-ipa: 2009-03-27 Jan Hubicka * cgraph.c (dump_cgraph_node): Add replace output flag by process. * tree-pass.h (function_called_by_processed_nodes_p): Declare. * passes.c (function_called_by_processed_nodes_p): New. * ipa-pure-const.c (check_call): Fix handling of operands. (analyze_function): Dump debug output for skipped bodies. (local_pure_const): Use function_called_by_processed_nodes_p. * dwarf2out.c (reference_to_unused): Use output. * passes.c (do_per_function_toporder): Likewise. 2008-11-12 Jan Hubicka * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare. * ipa-pure-const.c (funct_state_d): Add can throw field; make state_set_in_source enum (check_decl): Ignore memory tags; do not set fake looping flags; dump diagnostics. (check_operand, check_tree, check_rhs_var, check_lhs_var, get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove. (check_call, analyze_function): Rewrite. (check_stmt): New. (add_new_function): Update call of analyze_function. (generate_summary): Add call of analyze_function. (propagate): Propagate can_throw; handle state_set_in_source correctly. (local_pure_const): New function. (pass_local_pure_const): New pass. * ipa-inline.c (inline_transform): Set after_inlining. * tree-eh.c (stmt_can_throw_external): New. * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining; work with aliasing built. * tree-flow.h (stmt_can_throw_external): New. * passes.c (init_optimization_passes): Schedule fixup_cfg pass early; and local pure/const pass in early and late optimization queue. 2009-03-28 Martin Jambor * fold-const.c (get_pointer_modulus_and_residue): New parameter allow_func_align. (fold_binary): Allow function decl aligment consideration is the second argument is integer constant one. * tree-ssa-forwprop.c (simplify_bitwise_and): New function. (tree_ssa_forward_propagate_single_use_vars): Handle assing statements with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and. 2009-03-28 Jan Hubicka * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls. * function.h (rtl_data): Add nothrow flag. * except.c (set_nothrow_function_flags): Use crtl->nothrow; set DECL_NOTHROW for AVAILABLE functions. 2009-03-28 Jakub Jelinek * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro following vector keyword has expansion starting with pixel or bool keyword, expand vector to __vector and pixel or bool to __pixel or __bool. PR c++/39554 * opts.c (warning_disallowed_functions, warn_disallowed_functions, warn_if_disallowed_function_p): Removed. (common_handle_option): Don't handle OPT_Wdisallowed_function_list_. * c-parser.c (c_parser_postfix_expression_after_primary): Don't call warning_if_disallowed_function_p. * flags.h (warn_if_disallowed_function_p, warn_disallowed_functions): Removed. * common.opt (Wdisallowed-function-list=): Removed. * doc/invoke.texi (-Wdisallowed-function-list=): Removed. 2009-03-28 Richard Guenther PR tree-optimization/38723 * tree-ssa-pre.c (compute_avail): Add all default definitions to the entry block. 2009-03-28 Jan Hubicka * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed test introduced by my previous patch. 2009-03-28 Richard Guenther * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave the PHIs value undefined. 2009-03-28 Jan Hubicka * tree-pass.h (pass_fixup_cfg): New pass. * ipa-inline.c (inline_transform): Set always_inline_functions_inlined/after_inlining. * tree-optimize.c (execute_fixup_cfg): Do not set them here. (pass_fixup_cfg): New pass. * passes.c (init_optimization_passes): Add fixup_cfg. 2009-03-28 Richard Guenther PR tree-optimization/38458 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first argument use the arguments copy-of value. 2009-03-28 Richard Guenther PR tree-optimization/38180 * tree-ssa-ccp.c (get_default_value): Simplify. (likely_value): Likewise. (surely_varying_stmt_p): Properly handle VOP case. (ccp_initialize): Likewise. (ccp_fold): Handle propagating through *&. (fold_const_aggregate_ref): Also handle decls. 2009-03-28 Jan Hubicka * cgraph.c (dump_cgraph_node): Add replace output flag by process. * cgraph.h (cgraph_node): Likewise. * cgraphunit.c (cgraph_process_new_functions): Set process flag. (cgraph_reset_node): Use process flag. (cgraph_mark_functions_to_output): Likewise. (cgraph_expand_function): Likewise. (cgraph_expand_all_functions): Likewise. (cgraph_output_in_order): Likewise. * dwarf2out.c (reference_to_unused): Likewise. * passes.c do_per_function_toporder): Likewise. 2009-03-28 Jan Hubicka Bring from lto-branch: 2008-09-03 Doug Kwan * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t enums instead of reason strings. * cgraph.c (cgraph_create_edge): Same. (cgraph_inline_failed_string): New function. * cgraph.h (cgraph_inline_failed_t): New enum type. (cgraph_inline_failed_string): New prototype. (struct cgraph_edge): Change type of INLINED_FAILED from constant char pointer to cgraph_inline_failed_t. (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t. (cgraph_default_inline_p): Ditto. * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON to cgraph_inline_failed_t pointer. * cif-code.def: New file. * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a reason string. (cgraph_check_inline_limits): Change type of REASON to pointer to cgraph_inline_failed_t. Replace reason strings with enums. (cgraph_default_inline_p): Ditto. (cgraph_recursive_inlining_p): Ditto. (update_caller_keys): Change type of FAILED_REASON to cgraph_inline_failed_t. (cgraph_set_inline_failed): Change type of REASON to pointer to cgraph_inline_failed_t. Call cgraph_inline_failed_string to convert enums to strings for text output. (cgraph_decide_inlining_of_small_function): Change FAILED_REASON to be of type cgraph_inline_failed_t. Replace reason strings with enums. Call cgraph_inline_failed_string to covert enums to strings for text output. (cgraph_decide_inlining): Replace reason strings with enums. (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON to cgraph_inline_failed_t type. Call cgraph_inline_failed_string for text output. * tree-inline.c (expand_call_inline): Change type of REASON to cgraph_inline_failed_t. Replace reason strings with enums. Call cgraph_inline_failed_string for text output. * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies. (cgraph.o): Ditto. 2009-03-28 Jan Hubicka * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node, cgraph_clone_node): Remove master clone handling. (cgraph_is_master_clone, cgraph_master_clone): Remove. * cgraph.h (master_clone): Remove. (cgraph_is_master_clone, cgraph_master_clone): Remove. * ipa-type-escape.c (type_escape_execute): Remove use of master clone. (tree-ssa-structalias.c (ipa_pta_execute): Likewise. 2009-03-28 Jan Hubicka * cgraph.c (cgraph_function_body_availability): Functions declared inline are always safe to assume that it is not going to be replaced. 2009-03-28 Richard Guenther PR tree-optimization/38513 * tree-ssa-pre.c (eliminate): Remove redundant stores. * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle EXC_PTR_EXPR and FILTER_EXPR. (get_ref_from_reference_ops): Likewise. 2009-03-28 Richard Guenther PR tree-optimization/38968 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use FLOOR_MOD_EXPR to compute misalignment. 2009-03-28 Richard Guenther PR tree-optimization/37795 * tree.h (combine_comparisons): Declare. * fold-const.c (combine_comparisons): Export. * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive comparisons. (ifcombine_iforif): Use combine_comparisons. 2009-03-28 Jan Hubicka * tree-eh.c (inlinable_call_p): New function. (make_eh_edges): Use it. (verify_eh_edges): Use it. (stmt_can_throw_external, stmt_can_throw_internal): Use it. * except.c (reachable_next_level): Add inlinable_function argument (sjlj_find_directly_reachable_regions): Update. (add_reachable_handler): Do not set saw_any_handlers. (reachable_next_level): Handle MUST_NOT_THROW more curefully. (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1): Add new inlinable call parameter. (can_throw_internal, can_throw_external): Update. * except.h (can_throw_internal_1, can_throw_external_1, foreach_reachable_handler): Update declaration. 2009-03-28 Joseph Myers * config/arm/t-arm-coff, config/h8300/coff.h, config/i386/i386-aout.h, config/i386/i386-coff.h, config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h, config/pdp11/2bsd.h, config/rs6000/aix41.h, config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h, fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c, scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h, sys-types.h: Remove. * Makefile.in: Remove protoize and fixproto support and references in comments. (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO, PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES): Remove. (ALL_HOST_OBJS): Remove $(PROTO_OBJS). (MOSTLYCLEANFILES): Remove protoize$(exeext) and unprotoize$(exeext). (rest.encap): Don't depend on $(STMP_FIXPROTO) (.PHONY): Don't depend on proto. (libgcc-support): Don't depend on $(STMP_FIXPROTO). (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext), protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple, deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext), build/gen-protos.o, build/scan.o, xsys-protos.h, build/fix-header$(build_exeext), build/fix-header.o, build/scan-decls.o, fixhdr.ready, stmp-fixproto, stmp-install-fixproto): Remove. (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X, SYSCALLS.c or fixproto files. (install-common): Don't install protoize. (install-headers-tar, install-headers-cpio, install-headers-cp): Don't depend on $(STMP_FIXPROTO). (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't install fixproto files or write out fixproto settings. (uninstall): Don't uninstall protoize. * config.gcc (use_fixproto): Remove. (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd, rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove. * config/m32r/t-linux (STMP_FIXPROTO): Remove. * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code. * config/mips/t-iris (FIXPROTO_DEFINES): Remove. * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove. * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code. * config/t-svr4 (FIXPROTO_DEFINES): Remove. * config/t-vxworks (STMP_FIXPROTO): Remove. * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T, STMP_FIXPROTO): Remove. * config.in, configure: Regenerate. * crtstuff.c (gid_t, uid_t): Don't undefine. * doc/install.texi: Change m68k-coff to m68k-elf in example. (arm-*-coff, arm-*-aout: Remove target entries. (*-ibm-aix*): Mention removal of support for AIX 4.2 and older. Remove mention of AIX 4.1. (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*. * doc/invoke.texi (Running Protoize): Remove. * doc/trouble.texi (Actual Bugs): Remove mention of fixproto. (Protoize Caveats): Remove. * tsystem.h: Update comments on headers assumed to exist. 2009-03-27 Vladimir Makarov * genautomata.c: Add a new year to the copyright. Add a new reference. (struct insn_reserv_decl): Add comments for member bypass_list. (find_bypass): Remove. (insert_bypass): New. (process_decls): Use insert_bypass. (output_internal_insn_latency_func): Output all bypasses with the same input insn in one switch case. * rtl.def (define_bypass): Describe bypass choice. * doc/md.texi (define_bypass): Ditto. 2009-03-27 Richard Guenther * gimplify.c (mark_addressable): Export. * tree-flow.h (mark_addressable): Declare. * tree-ssa-loop-manip.c (create_iv): Mark the base addressable. * tree-ssa.c (verify_phi_args): Verify that address taken variables have TREE_ADDRESSABLE set. 2009-03-27 Richard Guenther * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ... (build_fold_addr_expr_with_type): ... this. Remove in_fold handling. Do not mark decls TREE_ADDRESSABLE. (build_fold_addr_expr): Adjust. (fold_addr_expr): Remove. (fold_unary): Use build_fold_addr_expr. (fold_comparison): Likewise. (split_address_to_core_and_offset): Likewise. * coverage.c (tree_coverage_counter_addr): Mark the array decl TREE_ADDRESSABLE. * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs. (gimplify_modify_expr_to_memcpy): Mark source and destination addressable. * omp-low.c (create_omp_child_function): Mark the object decl TREE_ADDRESSABLE. (lower_rec_input_clauses): Mark the var we take the address of TREE_ADDRESSABLE. (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE. 2009-03-27 H.J. Lu PR middle-end/39315 * cfgexpand.c (expand_one_stack_var_at): Change alignment limit to MAX_SUPPORTED_STACK_ALIGNMENT. 2009-03-27 Richard Guenther PR tree-optimization/39120 * tree-ssa-structalias.c (handle_rhs_call): Fill out return constraints. (handle_lhs_call): Process return constraints. Add escape constraints if necessary. (handle_const_call): Fill out return constraints. Make nested case more precise. Avoid consttmp if possible. (handle_pure_call): Fill out return constraints. Avoid callused if possible. (find_func_aliases): Simplify call handling. 2009-03-27 Richard Guenther PR tree-optimization/39120 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED as a representative. (solve_graph): Do propagate CALLUSED. (handle_pure_call): Use a scalar constraint from CALLUSED for the return value. (find_what_p_points_to): CALLUSED shall not appear in poins-to solutions. 2009-03-27 H.J. Lu PR c/39323 * c-common.c (handle_aligned_attribute): Properly check alignment overflow. Use (1U << i) instead of (1 << i). * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align. * expr.h (get_mem_align_offset): Updated. * tree.h (tree_decl_common): Change align to "unsigned int" and move it before pointer_alias_set. 2009-03-27 H.J. Lu Jakub Jelinek PR target/38034 * config/ia64/sync.md (cmpxchg_rel_): Replace input gr_register_operand with gr_reg_or_0_operand. (cmpxchg_rel_di): Likewise. (sync_lock_test_and_set): Likewise. 2009-03-27 H.J. Lu * jump.c (rtx_renumbered_equal_p): Use subreg_get_info. (true_regnum): Likewise. * rtlanal.c (subreg_info): Moved to ... * rtl.h (subreg_info): Here. New. (subreg_get_info): New. * rtlanal.c (subreg_get_info): Make it extern. 2009-03-27 H.J. Lu PR target/39472 * config/i386/i386.c (ix86_abi): New. (override_options): Handle -mabi=. (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi. (ix86_call_abi_override): Likewise. (init_cumulative_args): Likewise. (function_arg_advance): Likewise. (function_arg_64): Likewise. (function_arg): Likewise. (ix86_pass_by_reference): Likewise. (ix86_function_value_regno_p): Likewise. (ix86_build_builtin_va_list_abi): Likewise. (setup_incoming_varargs_64): Likewise. (is_va_list_char_pointer): Likewise. (ix86_init_machine_status): Likewise. (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi. (ix86_function_type_abi): Return enum calling_abi. Rewrite for 64bit. Replace DEFAULT_ABI with ix86_abi. (ix86_function_abi): Make it static and return enum calling_abi. (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI with ix86_abi. (ix86_fn_abi_va_list): Updated. * config/i386/i386.h (ix86_abi): New. (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi. (CONDITIONAL_REGISTER_USAGE): Likewise. (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi. (machine_function): Likewise. * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI with ix86_abi. * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise. (STACK_BOUNDARY): Likewise. * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise. * config/i386/i386.opt (mabi=): New. * config/i386/i386-protos.h (ix86_cfun_abi): Changed to return enum calling_abi. (ix86_function_type_abi): Likewise. (ix86_function_abi): Removed. * doc/invoke.texi: Document -mabi= option for x86. 2009-03-27 Kaveh R. Ghazi * builtins.c (real_dconstp): Delete. (fold_builtin_logarithm): Remove inaccurate log(e) special case. 2009-03-27 Dodji Seketeli Jakub Jelinek PR debug/37959 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute. (gen_subprogram_die): When a function is explicit, generate the DW_AT_explicit attribute. * langhooks.h (struct lang_hooks_for_decls): Add function_decl_explicit_p langhook. * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define. (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P. 2009-03-27 Jakub Jelinek * builtins.c (fold_builtin_memory_op): Optimize memmove into memcpy if we can prove source and destination don't overlap. * tree-inline.c: Include gt-tree-inline.h. (clone_fn_id_num): New variable. (clone_function_name): New function. (tree_function_versioning): Use it. * Makefile.in (GTFILES): Add tree-inline.c. 2009-03-27 Mark Mitchell * BASE-VER: Change to 4.5.0. 2009-03-27 Xinliang David Li PR tree-optimization/39557 * tree-ssa.c (warn_uninitialized_vars): free postdom info. 2009-03-27 Xinliang David Li PR tree-optimization/39548 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy candidate check. 2009-03-27 H.J. Lu * c-common.c (pointer_int_sum): Use %wd on return from tree_low_cst. 2009-03-27 H.J. Lu * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC on return from tree_low_cst. 2009-03-27 Andrew Pinski PR c++/36799 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__. 2009-03-27 Manuel Lopez-Ibanez PR c++/35652 * builtins.h (c_strlen): Do not warn here. * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum. * c-common.c (pointer_int_sum): Take an explicit location. Warn about offsets out of bounds. * c-common.h (pointer_int_sum): Adjust declaration. 2009-03-26 Ralf Wildenhues * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo markup glitch. 2009-03-26 Jakub Jelinek PR c++/39554 * opts.c (warn_if_disallowed_function_p): Don't assume get_callee_fndecl must return non-NULL. 2009-03-26 Vladimir Makarov PR rtl-optimization/39522 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too when reg_reloaded_valid is set. 2009-03-26 Ulrich Weigand * config/spu/divv2df3.c: New file. * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it. (DPBIT_FUNCS): Filter out _div_df. 2009-03-26 Bernd Schmidt * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before a jump insn, count that jump in the distance to the loop start. 2009-03-25 Kaz Kojima PR target/39523 * config/sh/sh.c (calc_live_regs): Fix condition for global registers except PIC_OFFSET_TABLE_REGNUM. 2009-03-25 Kai Tietz PR/39518 * doc/invoke.texi (-mconsole): New. (-mcygwin): New. (-mno-cygwin): New. (-mdll): New. (-mnop-fun-dllimport): New. (-mthread): New. (-mwin32): New. (-mwindows): New. (sub section "i386 and x86-64 Windows Options"): New. 2009-03-25 Ralf Corsépius * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC. * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS. 2009-03-25 Richard Guenther PR middle-end/39497 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead of -Wno-error. 2009-03-25 Andrey Belevantsev * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when neither of haifa/selective schedulers are working. 2009-03-25 Ralf Wildenhues * doc/invoke.texi (Debugging Options): Fix description of -fno-merge-debug-strings. 2009-03-24 Hans-Peter Nilsson * config/cris/libgcc.ver: New version-script. * config/cris/t-linux (SHLIB_MAPFILES): Use it. * configure.ac : Add pattern crisv32-*-* for "nop". : Add item for CRIS and CRIS v32. * configure: Regenerate. 2009-03-24 Ira Rosen PR tree-optimization/39529 * tree-vect-transform.c (vect_create_data_ref_ptr): Call mark_sym_for_renaming for the tag copied to the new vector pointer. 2009-03-24 Arthur Loiret * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha. * config/alpha/linux.h (host_detect_local_cpu): Declare, add to EXTRA_SPEC_FUNCTIONS. (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros. * config/alpha/driver-alpha.c, config/alpha/x-alpha: New. * doc/invoke.texi (DEC Alpha Options): Document 'native' value for -march and -mtune options. 2009-03-24 Ralf Corsépius * config/m68k/t-rtems: Add m5329 multilib. 2009-03-24 Dodji Seketeli Jakub Jelinek PR debug/39524 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration nodes. 2009-03-23 Jakub Jelinek PR c/39495 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression instead of c_parser_expression_conv, if original_code isn't one of the 4 allowed comparison codes, fail. 2009-03-23 Richard Guenther * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts. * tree.h (struct tree_type): Likewise. * reload.h (struct insn_chain): Likewise. * dwarf2out.c (struct dw_loc_descr_struct): Likewise. * function.h (struct function): Likewise. * tree-ssa-structalias.c (struct equiv_class_label): Likewise. 2009-03-23 Jakub Jelinek PR tree-optimization/39516 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable. 2009-03-23 Bingfeng Mei * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint should be set true if BITS_PER_WORD of target is bigger than 32 2009-03-22 Hans-Peter Nilsson * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC): Translate -B-options to -rpath-link. Correct existing rpath-link and conditionalize on !nostdlib. 2009-03-22 Ralf Wildenhues * doc/extend.texi (Function Attributes, Variable Attributes): Fix typos. * doc/invoke.texi (Debugging Options, Optimize Options) (i386 and x86-64 Options, MCore Options): Likewise. 2009-03-20 Jakub Jelinek PR debug/37890 * dwarf2out.c (gen_namespace_die): Add context_die argument and use it for block local namespace aliases. (gen_decl_die): Pass context_die to gen_namespace_die. 2009-03-19 Jakub Jelinek PR c/39495 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s minimum or maximum value. 2009-03-19 Alexandre Oliva * reginfo.c (globalize_reg): Recompute derived reg sets. 2009-03-19 Ozkan Sezer PR target/39063 * libgcc2.c (mprotect): Do not use signed arguments for VirtualProtect, use DWORD arguments. Also fix the 'may be used uninitialized' warning for the np variable. 2009-03-19 Jakub Jelinek PR target/39496 * config/i386/i386.c (ix86_function_regparm): Don't optimize local functions using regparm calling conventions when not optimizing. (ix86_function_sseregparm): Similarly for sseregparm calling conventions. 2009-03-19 Li Feng PR middle-end/39500 * tree-data-ref.c (analyze_subscript_affine_affine): There is no dependence if the first conflict is after niter iterations. 2009-03-19 Hans-Peter Nilsson PR middle-end/38609 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all functions with dynamic stack-pointer adjustments. 2009-03-19 Ben Elliston * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data option; change to -msdata=data. 2009-03-18 Ralf Wildenhues * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers, and -fopenmp. 2009-03-18 Eric Botcazou PR target/35180 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output. 2009-03-18 Sandra Loosemore * doc/invoke.texi (Code Gen Options): Expand discussion of -fno-common. 2009-03-18 Jakub Jelinek * dse.c (struct group_info): Reorder fields for 64-bit hosts. * matrix-reorg.c (struct matrix_info): Likewise. * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise. * rtl.h (struct mem_attrs): Likewise. * df.h (struct df): Likewise. * tree-data-ref.h (struct data_dependence_relation): Likewise. * ira-int.h (struct ira_allocno): Likewise. * df-scan.c (struct df_collection_rec): Likewise. * ira.c (struct equivalence): Likewise. * function.c (struct temp_slot): Likewise. * cfgloop.h (struct loop): Likewise. PR debug/39485 * function.c (use_register_for_decl): When not optimizing, disregard register keyword for variables with types containing methods. 2009-03-18 Sebastian Pop PR middle-end/39447 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p. (is_simple_operand): Call contains_component_ref_p before calling data reference analysis that would fail on COMPONENT_REFs. * tree-vrp.c (search_for_addr_array): Fix formatting. 2009-03-18 Richard Guenther * tree-vect-transform.c (vect_loop_versioning): Fold the generated comparisons. * tree-vectorizer.c (set_prologue_iterations): Likewise. (slpeel_tree_peel_loop_to_edge): Likewise. 2009-03-17 Ralf Wildenhues PR middle-end/37805 * opts.c (print_specific_help): In addition to `undocumented', accept `separate' and `joined' flags if passed alone. Describe output by the first matched one of those. (common_handle_option): Skip over empty strings. * gcc.c (display_help): Fix help string for `--help='. * doc/invoke.texi (Option Summary, Overall Options): With `--help=', classes and qualifiers can both be repeated, but only the latter can be negated. One should not pass only negated qualifiers. Fix markup and examples. Revert 2008-10-14 Jakub Jelinek PR middle-end/37805 * opts.c (common_handle_option): Don't ICE on -fhelp=joined and -fhelp=separate. 2009-03-17 Jing Yu PR middle-end/39378 * function.h (struct rtl_data): Move is_thunk from here... (struct function): ...to here. * cp/method.c (use_thunk): Change is_thunk from crtl to cfun. * varasm.c (assemble_start_function): Change is_thunk from crtl to cfun. * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to cfun. (alpha_does_function_need_gp, alpha_start_function): Likewise. (alpha_output_function_end_prologue): Likewise. (alpha_end_function, alpha_output_mi_thunk_osf): Likewise. * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise. (rs6000_output_function_epilogue): Likewise. * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise. 2009-03-17 Uros Bizjak PR target/39482 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers from different units in a single alternative. (*truncdfsf_i387): Ditto. (*truncxfsf2_mixed): Ditto. (*truncxfdf2_mixed): Ditto. 2009-03-17 Jakub Jelinek * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL. PR debug/39474 * tree-ssa-live.c (remove_unused_locals): Don't remove local unused non-artificial variables when not optimizing. PR debug/39471 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit DW_TAG_imported_module even if decl is IMPORTED_DECL with NAMESPACE_DECL in its DECL_INITIAL. PR middle-end/39443 * optabs.c (set_user_assembler_libfunc): New function. * expr.h (set_user_assembler_libfunc): New prototype. * c-common.c: Include libfuncs.h. (set_builtin_user_assembler_name): Call set_user_assembler_libfunc for memcmp, memset, memcpy, memmove and abort. * Makefile.in (c-common.o): Depend on libfuncs.h. PR debug/39412 * dwarf2out.c (gen_inlined_enumeration_type_die, gen_inlined_structure_type_die, gen_inlined_union_type_die, gen_tagged_type_instantiation_die): Removed. (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin do nothing. 2009-03-17 Janis Johnson PR testsuite/38526 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment its use. (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest. (check-parallel-%): Ditto. (check-consistency): Ditto. 2009-03-17 Kai Tietz * ipa-struct-reorg.c (create_general_new_stmt): Initialize local variable rhs by NULL_TREE. 2009-03-17 H.J. Lu PR target/39477 * doc/extend.texi: Correct register behavior for regparm on Intel 386. 2009-03-17 H.J. Lu PR target/39476 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit. 2009-03-17 H.J. Lu PR target/39473 * config/i386/i386.c (ix86_expand_call): Check extra clobbers for ms->sysv ABI calls only in 64bit mode. * config/i386/i386.md (untyped_call): Support 32bit. 2009-03-16 H.J. Lu * doc/extend.texi: Replace x86_65 with x86_64. 2009-03-16 Jakub Jelinek PR tree-optimization/39455 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types mismatches for POINTER_TYPE_P (type). (number_of_iterations_le): Likewise. 2009-03-16 Hariharan Sandanagobalane * config/picochip/picochip.c: Removed profiling support. * config/picochip/picochip.md: Removed profiling instruction. * config/picochip/picochip.h: Removed profiling builtin. 2009-03-16 Joseph Myers * doc/install.texi (--with-host-libstdcxx): Document. 2009-03-14 Anatoly Sokolov PR target/34299 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for generate a warning if the function name does not begin with "__vector" and the function has either the 'signal' or 'interrupt' attribute, from here to ... (avr_declare_function_name): ...here. New function. * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine. * config/avr/avr-protos.h (avr_declare_function_name): Declare. 2009-03-14 Jakub Jelinek PR bootstrap/39454 * cse.c (fold_rtx): Don't modify original const_arg1 when canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a separate variable instead. * rtlanal.c (nonzero_bits1) : Don't assume anything from out of range shift counts. (num_sign_bit_copies1) : Similarly. 2008-03-13 Catherine Moore * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace diagnostic.h with $(DIAGNOSTIC_H). 2008-03-12 Jakub Jelinek PR target/39431 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New predicate. * config/i386/sync.md (sync_compare_and_swap, sync_compare_and_swap_cc): For DImode with -m32 -fpic check if operands[1] is cmpxchg8b_pic_memory_operand, if not force address into a register. (sync_double_compare_and_swapdi_pic, sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be cmpxchg8b_pic_memory_operand instead of just memory_operand. 2009-03-12 H.J. Lu PR target/39445 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment. 2009-03-12 H.J. Lu PR target/39327 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits. (avx_addsubv4df3): Likewise. (*avx_addsubv4sf3): Likewise. (sse3_addsubv4sf3): Likewise. 2009-03-12 H.J. Lu PR target/38824 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns. 2009-03-12 Vladimir Makarov PR debug/39432 * ira-int.h (struct allocno): Fix comment for calls_crossed_num. * ira-conflicts.c (ira_build_conflicts): Prohibit call used registers for allocnos created from user-defined variables. 2009-03-11 Ulrich Weigand PR target/39181 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs of non-integer mode as well. 2009-03-11 Adam Nemet * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P for functions for which the parameter types are unknown. 2009-03-11 Jakub Jelinek PR target/39137 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro. * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined. * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define. * config/i386/i386.c (ix86_local_alignment): For -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for long long variables on the stack to avoid dynamic realignment. Allow the first argument to be a decl rather than type. * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document. 2009-03-11 Nick Clifton PR target/5362 * config/mcore/mcore.opt: Remove deprecated m4align and m8align options. Add description to mno-lsim option. * config/mcore/mcore.h: Remove comment about deprecated m4align option. (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN. * doc/invoke.texi: Add description of mno-lsim and mstack-increment options. * config/fr30/fr30.opt: Document the -mno-lsim option. * doc/invoke.texi: Add descriptions of the FR30's -msmall-model and -mno-lsim options. 2009-03-11 Ulrich Weigand * fold-const.c (fold_comparison): Only call fold_inf_compare if the mode supports infinities. 2009-03-11 Jason Merrill PR debug/39086 * tree-nrv.c (tree_nrv): Don't do this optimization if the front end already did. Notice GIMPLE_CALL modifications of the result. Don't copy debug information from an ignored decl or a decl from another function. 2009-03-10 Richard Guenther Nathan Froyd PR middle-end/37850 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result. (__divMODE3): Likewise. 2009-03-09 Jakub Jelinek PR tree-optimization/39394 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and DECL_SIZE_UNIT of variable length FIELD_DECLs. 2009-03-09 Andreas Krebbel * recog.c (verfiy_changes): Disallow renaming of hard regs in inline asms for register asm ("") declarations. 2009-03-09 Eric Botcazou * fold-const.c (fold_unary): Fix comment. 2009-03-07 Jan Hubicka PR target/39361 * tree-inline.c (setup_one_parameter): Do replacement of const argument by constant in SSA form. 2009-03-07 Ulrich Weigand PR middle-end/38028 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to determine alignment passed to assign_stack_local. (assign_parms_unsplit_complex): Likewise. * except.c (sjlj_build_landing_pads): Likewise. 2009-03-06 Jakub Jelinek PR middle-end/39360 * tree-flow.h (add_referenced_var): Return bool instead of void. * tree-dfa.c (add_referenced_var): Return result of referenced_var_check_and_insert call. * tree-inline.c (expand_call_inline): Call add_referenced_var instead of referenced_var_check_and_insert. PR debug/39372 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die. (gen_variable_die): Emit DW_AT_location on abstract static variable's DIE, don't emit it if abstract origin already has it. * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless. 2009-03-06 Jan-Benedict Glaw * genpreds.c (needs_variable): Fix parentheses at variable name detection. (write_tm_constrs_h): Indent generated code. 2009-03-06 Ramana Radhakrishnan * doc/extend.texi (Function Attributes): Add documentation for isr attributes. 2009-03-06 Jakub Jelinek PR debug/39387 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL take locus from its DECL_SOURCE_LOCATION instead of input_location. 2009-03-05 Bernd Schmidt * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark the loop as bad. 2009-03-05 Jakub Jelinek PR debug/39379 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs with blocks containing IMPORTED_DECLs in BLOCK_VARS. 2009-03-05 Uros Bizjak * config/i386/i386.md (R8_REG, R9_REG): New constants. * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named constants instead of magic numbers. (HARD_REGNO_CALLER_SAVE_MODE): Ditto. (QI_REG_P): Ditto. * config/i386/i386.c (x86_64_int_parameter_registers): Ditto. (x86_64_ms_abi_int_parameter_registers): Ditto. (x86_64_int_return_registers): Ditto. (ix86_maybe_switch_abi): Ditto. (ix86_expand_call): Ditto for clobbered_registers array. (ix86_hard_regno_mode_ok): Ditto. (x86_extended_QIreg_mentioned_p): Ditto. 2009-03-05 J"orn Rennecke PR tree-optimization/39349 * cse.c (cse_insn): Fix loop to stop at VOIDmode. * combine.c (gen_lowpart_for_combine): Use omode when generating clobber. 2009-03-04 J"orn Rennecke PR rtl-optimization/39235 * loop-iv.c (get_simple_loop_desc): Use XCNEW. 2009-03-04 Zdenek Dvorak * graphite.c (nb_reductions_in_loop): Update simple_iv arguments. 2009-03-04 Richard Guenther PR tree-optimization/39362 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs that occur in abnormal PHIs should be varying. 2009-03-04 Zdenek Dvorak * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Extend comments. (simple_iv): Take loop as an argument instead of statement. * tree-scalar-evolution.h (simple_iv): Declaration changed. * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls to simple_iv. * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev): Ditto. * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto. * matrix-reorg.c (analyze_transpose): Ditto. * tree-data-ref.c (dr_analyze_innermost): Ditto. * tree-vect-analyze.c (vect_analyze_data_refs): Ditto. * tree-predcom.c (ref_at_iteration): Ditto. * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto. 2009-03-04 Richard Guenther PR tree-optimization/39358 * tree-ssa-structalias.c (do_sd_constraint): Fix check for escaped_id and callused_id. (solve_graph): Likewise. 2009-03-04 Richard Guenther PR tree-optimization/39339 * tree-sra.c (try_instantiate_multiple_fields): Make it no longer ICE on the above. 2009-03-03 Joseph Myers * emit-rtl.c (adjust_address_1): Reduce offset to a signed value that fits within Pmode. 2009-03-03 Steve Ellcey PR middle-end/10109 * tm.texi (LIBCALL_VALUE): Update description. 2009-03-03 Steve Ellcey PR middle-end/34443 * doc/extend.texi (section): Update description. 2009-03-03 H.J. Lu PR middle-end/39345 * tree-inline.c (remapped_type): New. (can_be_nonlocal): Call remapped_type instead of remap_type. 2009-03-03 Jakub Jelinek PR fortran/39354 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison, TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR. 2009-03-03 Richard Guenther PR middle-end/39272 * tree.c (tree_nonartificial_location): New function. * tree.h (tree_nonartificial_location): Declare. * builtins.c (expand_builtin_memory_chk): Provide location of the call location for artificial function pieces. (maybe_emit_chk_warning): Likewise. (maybe_emit_sprintf_chk_warning): Likewise. (maybe_emit_free_warning): Likewise. * expr.c (expand_expr_real_1): Likewise. 2009-03-03 Jakub Jelinek PR tree-optimization/39343 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if COMPONENT_REF t has ARRAY_TYPE. 2009-03-02 Sebastian Pop PR middle-end/39335 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert when the type precision of the induction variable should be larger than the type precision of nit. (gen_parallel_loop): Update use of canonicalize_loop_ivs. * graphite.c (graphite_loop_normal_form): Same. * tree-flow.h (canonicalize_loop_ivs): Update declaration. 2009-03-02 Uros Bizjak * config/i386/i386.md (ST?_REG, MM?_REG): New constants. (*call_1_rex64_ms_sysv): Use named constants instead of magic numbers to describe clobbered registers. (*call_value_0_rex64_ms_sysv): Ditto. * config/i386/mmx.md (mmx_emms): Ditto. (mmx_femms): Ditto. 2009-03-02 Richard Sandiford * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling of ABI_64. 2009-03-02 Ulrich Weigand * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define. (spu_section_type_flags): New function. 2009-03-02 Uros Bizjak * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy reg_class_contents of FLOAT_REGS into a temporary. 2009-03-02 Richard Guenther Ira Rosen PR tree-optimization/39318 * tree-vect-transform.c (vectorizable_call): Transfer the EH region information to the vectorized statement. 2009-03-01 Uros Bizjak * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i" variable. Use defined names instead of magic constants for REX SSE registers. 2009-03-01 Richard Guenther PR tree-optimization/39331 * omp-low.c (lower_send_shared_vars): Do not receive new values for the reference of DECL_BY_REFERENCE parms or results. 2009-03-01 Jan Hubicka PR debug/39267 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS, BLOCK_NONLOCALIZED_VAR): New macros. (tree_block): Add nonlocalized_vars. * dwarf2out.c (gen_formal_parameter_die, gen_variable_die, gen_decl_die): Add origin argument. Allow generation of die with origin at hand only. (gen_member_die, gen_type_die_with_usage, force_decl_die, declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use of gen_*. (gen_block_die): Fix checking for unused blocks. (process_scope_var): Break out from .... ; work with origins only. (decls_for_scope) ... here; process nonlocalized list. (dwarf2out_ignore_block): Look for nonlocalized vars. * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized vars. (dump_scope_block): Dump them. * tree-inline.c (remap_decls): Handle nonlocalized vars. (remap_block): Likewise. (can_be_nonlocal): New predicate. (copy_bind_expr, copy_gimple_bind): Update use of remap_block. 2009-03-01 Ralf Wildenhues * configure: Regenerate. 2009-03-01 Ralf Wildenhues * optc-gen.awk: No need to duplicate option flags twice. Reuse help texts for duplicate options which do not have any. * gcc.c (display_help): Document --version. * gcc.c (main): If print_help_list and verbose_flag, ensure driver output comes before subprocess output. * optc-gen.awk: Assign all remaining fields to help string, space-separated, for multi-line help in *.opt. * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only. -Wno-pedantic-ms-format is for MinGW targets only. * doc/options.texi (Option file format): Fix bad indentation, restoring dropped sentence. 2009-02-28 Jan Hubicka * tree-inline.c (tree_function_versioning): Output debug info. 2009-02-28 Jan Hubicka PR debug/39267 * tree-inline.c (setup_one_parameter): Do not copy propagate arguments when not optimizing. 2009-02-28 H.J. Lu PR target/39327 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits. (avx_addsubv4df3): Likewise. (*avx_addsubv4sf3): Likewise. (sse3_addsubv4sf3): Likewise. (*avx_addsubv2df3): Likewise. (sse3_addsubv2df3): Likewise. (avx_unpckhps256): Correct item selectors. (avx_unpcklps256): Likewise. (avx_unpckhpd256): Likewise. (avx_unpcklpd256): Likewise. 2009-02-28 Jan Hubicka * tree-inline.c (expand_call_inline): Avoid duplicate declarations of static vars. (copy_arguments_for_versioning): If var is declared don't declare it. (tree_function_versioning): First setup substitutions and then copy args. 2009-02-27 Jan Hubicka PR debug/39267 * cgraph.h (varpool_output_debug_info): Remove. * cgraphunit.c (varpool_output_debug_info): Remove. * dwarf2out.c (deferred_locations_struct): New struct (deferred_locations): New type. (deferred_locations_list): New static var. (deffer_location): New function. (gen_variable_die): Use it. (decls_for_scope): Output info on local static vars. (dwarf2out_finish): Process deferred locations. * varpool.c (varpool_output_debug_info): Remove. 2009-02-27 Jan Hubicka PR debug/39267 * tree.h (TREE_PROTECTED): Fix comment. (BLOCK_HANDLER_BLOCK): Remove. (struct tree_block): Remove handler_block add body_block. (inlined_function_outer_scope_p): New. (is_body_block): Remove. * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK. * dwarf2out.c (is_inlined_entry_point): Remove. (add_high_low_attributes): Use inlined_function_outer_scope_p. (gen_block_die): Use is_inlined_entry_point check. Remove body block code. * langhooks.h (struct lang_hooks): Remove no_bodu_blocks. * gimplify.c (gimplify_expr): Gimplify body blocks. * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper block with multiple subblocks. (dump_scope_block): Prettier output; dump more flags and info. (dump_scope_blocks): New. (remove_unused_locals): Use dump_scope_blocks. * tree-flow.h (dump_scope_blocks): Declare. * tree-cfg.c (execute_build_cfg): Dump scope blocks. * stmt.c (is_body_block): Remove. * tree-inline.c (remap_block): Copy BODY_BLOCK info. * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove. 2009-02-27 Sebastian Pop PR middle-end/39308 * graphite.c (graphite_loop_normal_form): Do not call number_of_iterations_exit from a gcc_assert. 2009-02-27 Andreas Krebbel * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional jumps if COND is NULL. (find_cond_jump): New function. (s390_z10_optimize_cmp): Handling for reg-reg compares added. * gcc/config/s390/s390.md: Remove z10_cobra attribute value. 2009-02-26 Uros Bizjak * config/alpha/alpha.h (alpha_expand_mov): Return false if force_const_mem returns NULL_RTX. 2009-02-26 Jan Hubicka PR debug/39267 * cgraph.h (varpool_output_debug_info): Remove. * cgraphunit.c (varpool_output_debug_info): Remove. * dwarf2out.c (deferred_locations_struct): New struct (deferred_locations): New type. (deferred_locations_list): New static var. (deffer_location): New function. (gen_variable_die): Use it. (decls_for_scope): Output info on local static vars. (dwarf2out_finish): Process deferred locations. * varpool.c (varpool_output_debug_info): Remove. 2009-02-25 H.J. Lu PR rtl-optimization/39241 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls to subreg_offset_representable_p. 2009-02-25 Paolo Bonzini * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass execute function prototype. Get f and nregs from max_reg_num and get_insns. Remove the first backward pass as it's dead, guard the forward pass by flag_expensive_optimizations. (rest_of_handle_regmove): Delete. (pass_regmove): Replace it with regmove_optimize. 2009-02-25 Martin Jambor PR tree-optimization/39259 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and calls_alloca function flags. (copy_bb): Set calls_setjmp and alls_alloca function flags if such calls are detected. 2009-02-25 Paolo Bonzini * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones, flags_set_1_rtx, flags_set_1_set): Delete. (regmove_optimize): Do not call mark_flags_life_zones. 2009-02-24 Julian Brown PR target/35965 * config/arm/arm.c (require_pic_register): Only set cfun->machine->pic_reg once per function. 2009-02-24 Sandra Loosemore * doc/invoke.texi (Link Options): Document an easier way to pass options that take arguments to the GNU linker using -Xlinker and -Wl. 2009-02-24 Steve Ellcey PR target/33785 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description. 2009-02-24 Richard Guenther PR debug/39285 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs. 2009-02-24 Richard Guenther Zdenek Dvorak PR tree-optimization/39233 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers from converting them to a generic type. 2009-02-23 Sebastian Pop PR tree-optimization/39260 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block contains a condition with a real type. (build_scop_conditions_1): Conditions are always last_stmt of a bb. 2009-02-23 Jason Merrill PR c++/38880 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check narrowing_initializer_constant_valid_p. (narrowing_initializer_constant_valid_p): Don't return null_pointer_node for adding a pointer to itself. 2009-02-23 Jan Hubicka PR c/12245 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing. 2009-02-23 Jan Hubicka PR tree-optimization/37709 * tree.c (block_ultimate_origin): Move here from dwarf2out. * tree.h (block_ultimate_origin): Declare. * dwarf2out.c (block_ultimate_origin): Move to tree.c * tree-ssa-live.c (remove_unused_scope_block_p): Eliminate blocks containig no instructions nor live variables nor nested blocks. (dump_scope_block): New function. (remove_unused_locals): Enable removal of dead blocks by default; enable dumping at TDF_DETAILS. 2009-02-21 H.J. Lu * config/i386/i386.c (classify_argument): Don't allow COImode and OImode. (function_arg_advance_32): Don't allow OImode. (function_arg_32): Likewise. (function_value_32): Likewise. (return_in_memory_32): Likewise. (function_arg_64): Remove OImode comment. 2009-02-21 H.J. Lu PR target/39261 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use ix86_expand_vector_set for V4DImode in 64bit mode only. (ix86_expand_vector_init_one_var): Likewise. 2009-02-21 Sebastian Pop * graphite.c (graphite_trans_loop_block): Adjust tile size to 51. 2009-02-21 Richard Sandiford PR bootstrap/39257 * loop-iv.c: Revert last change. * emit-rtl.c: Likewise. 2009-02-21 H.J. Lu PR target/39256 * config/i386/i386.c (type_natural_mode): Remove an extra space in the warning message. (function_value_32): Handle 32-byte vector modes. (return_in_memory_32): Likewise. 2009-02-21 Richard Sandiford * loop-iv.c (truncate_value): New function. (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead of lowpart_subreg. (lowpart_subreg): Move to... * emit-rtl.c: ...here. 2009-02-21 Danny Smith * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert accidental and undocumented change at revision 140860. 2009-02-21 Joseph Myers * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to take gimple_seq * arguments. (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to types_compatible_p langhook. 2009-02-20 Mark Mitchell Joseph Myers * config/arm/arm.c (arm_builtin_va_list): New function. (arm_expand_builtin_va_start): Likewise. (arm_gimplify_va_arg_expr): Likewise. (TARGET_BUILD_BUILTIN_VA_LIST): Define. (TARGET_BUILD_BUILTIN_VA_START): Likewise. (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise. (va_list_type): New variable. (arm_mangle_type): Mangle va_list_type appropriately. 2009-02-20 Jakub Jelinek PR middle-end/39157 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H). * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define. * params.def (loop-invariant-max-bbs-in-loop): New parameter. * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop parameter to 1000 for -O1 by default. * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new parameter. * loop-invariant.c: Include params.h. (move_loop_invariants): Don't call move_single_loop_invariants on very large loops. 2009-02-20 Jaka Mocnik * calls.c (emit_library_call_value_1): Use slot_offset instead of offset when calculating bounds for indexing stack_usage_map. Fixes a buffer overflow with certain target setups. 2009-02-20 Jakub Jelinek PR target/39240 * calls.c (expand_call): Clear try_tail_call if caller and callee disagree in promotion of function return value. 2009-02-19 Jakub Jelinek PR target/39175 * c-common.c (c_determine_visibility): If visibility changed and DECL_RTL has been already set, call make_decl_rtl to update symbol flags. 2009-02-19 H.J. Lu PR c++/39188 * varasm.c (assemble_variable): Don't check DECL_NAME when globalizing a variable. 2009-02-19 Joseph Myers PR c/38483 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list expression before any __builtin_trap call. * c-typeck.c (build_function_call): Convert and check function arguments before generating a call to a trap. Evaluate the function arguments before the trap. 2009-02-19 Uros Bizjak PR target/39228 * config/i386/i386.md (isinfxf2): Split from isinf2. (UNSPEC_FXAM_MEM): New unspec. (fxam2_i387_with_temp): New insn and split pattern. (isinf2): Use MODEF mode iterator. Force operand[1] through memory using fxam2_i387_with_temp to remove excess precision. 2009-02-19 Richard Guenther PR tree-optimization/39207 PR tree-optimization/39074 * tree-ssa-structalias.c (storedanything_id, var_storedanything, storedanything_tree): New. (do_ds_constraint): Simplify ANYTHING shortcutting. Update the STOREDANYTHING solution if the lhs solution contains ANYTHING. (build_succ_graph): Add edges from STOREDANYTHING to all non-direct nodes. (init_base_vars): Initialize STOREDANYTHING. (compute_points_to_sets): Free substitution info after building the succ graph. (ipa_pta_execute): Likewise. * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers field. (do_ds_constraint): Do not add to special var or non-pointer field solutions. (type_could_have_pointers): Split out from ... (could_have_pointers): ... here. For arrays use the element type. (create_variable_info_for): Initialize may_have_pointers. (new_var_info): Likewise. (handle_lhs_call): Make the HEAP variable unknown-sized. (intra_create_variable_infos): Use a type with pointers for PARM_NOALIAS, make it unknown-sized. 2009-02-18 H.J. Lu PR target/39224 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI. 2009-02-18 Jason Merrill PR target/39179 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero value if DECL_EXTERNAL. * tree-sra.c (sra_walk_gimple_assign): Likewise. * target.h (gcc_target::binds_local_p): Clarify "module". * tree.h (TREE_PUBLIC): Clarify "module". 2009-02-17 Xuepeng Guo PR target/38891 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of initialization for MS_ABI prior to the hunk of !TARGET_MMX. 2009-02-17 H.J. Lu PR target/39082 * c.opt (Wabi): Support C and ObjC. (Wpsabi): New. * c-opts.c (c_common_handle_option): Handle OPT_Wabi. * config/i386/i386.c (classify_argument): Warn once about the ABI change when passing union with long double. * doc/invoke.texi: Update -Wabi for warning psABI changes. 2009-02-18 Joseph Myers PR c/35447 * c-parser.c (c_parser_compound_statement): Always enter and leave a scope. 2009-02-17 John David Anglin PR target/34587 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define. 2009-02-18 Jakub Jelinek PR tree-optimization/36922 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR. * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1): Likewise. 2009-02-17 Richard Sandiford * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm to 0 for EABI64. 2009-02-17 Richard Sandiford * config/mips/mips.md (type): Reclassify lui_movf as "unknown". 2009-02-17 Richard Sandiford * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid tree sharing. 2009-02-17 Ruan Beihong Richard Sandiford * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete. * config/mips/loongson.md (reduc_uplus_): Rename to... (loongson_biadd): ...this. 2009-02-17 Richard Guenther PR tree-optimization/39202 * tree-ssa-structalias.c (do_structure_copy): Before collapsing a var make sure to follow existing collapses. 2009-02-17 Richard Guenther PR middle-end/39214 * langhooks.c (lhd_print_error_function): Check for NULL block. 2009-02-17 Richard Guenther PR tree-optimization/39204 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number of the PHI arg. 2009-02-17 Uros Bizjak * config/soft-fp/double.h: Update from glibc CVS. 2009-02-17 Richard Guenther PR tree-optimization/39207 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit strict-aliasing warnings for pointers pointing to NULL. 2009-02-16 Joseph Myers PR c/35446 * c-parser.c (c_parser_braced_init): Call pop_init_level when skipping until next close brace. 2009-02-16 H.J. Lu PR target/37049 * config/i386/i386.c (ix86_expand_push): Set memory alignment to function argument boundary. 2009-02-16 Hariharan Sandanagobalane * config/picochip/picochip.md (lea_add): Allow any nonimmediate in the lea_add. Reload eventually constraints it properly. * config/picochip/constraints.md : Remove the target constraint "b", since it is not needed anymore. 2009-02-16 Jakub Jelinek * gthr-dce.h: Uglify function parameter and local variable names. * gthr-gnat.h: Likewise. * gthr-mipssde.h: Likewise. * gthr-nks.h: Likewise. * gthr-posix95.h: Likewise. * gthr-posix.h: Likewise. * gthr-rtems.h: Likewise. * gthr-single.h: Likewise. * gthr-solaris.h: Likewise. * gthr-tpf.h: Likewise. * gthr-vxworks.h: Likewise. * gthr-win32.h: Likewise. 2009-02-15 H.J. Lu PR target/39196 * config/i386/i386.md: Restrict the new peephole2 to move between MMX/SSE registers. 2009-02-15 Richard Guenther Revert 2009-02-13 Richard Guenther * configure.ac: Enable LFS. * configure: Re-generate. * config.in: Likewise. 2009-02-13 Ulrich Weigand * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw, spu_srqwbyte, spu_srqwbytebc): Define. * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw, spu_srqwbyte, spu_srqwbytebc): New overloaded builtins. * config/spu/spu.md ("shrqbybi_", "shrqbi_", "shrqby_"): New insn-and-split patterns. * config/spu/spu.c (expand_builtin_args): Determine and return number of operands using spu_builtin_description data. (spu_expand_builtin_1): Use it. 2009-02-13 Steve Ellcey PR target/38056 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check TARGET_CONST_GP. 2009-02-13 H.J. Lu PR target/39149 * config/i386/i386.c (override_options): Correct warning messages for -malign-loops, -malign-jumps and -malign-functions. 2009-02-13 H.J. Lu PR target/39152 * config/i386/i386.md: Restrict the new peephole2 to move between the general purpose registers. 2009-02-13 H.J. Lu PR target/39162 * config/i386/i386.c (type_natural_mode): Add a new argument. Return the original mode and warn ABI change if vector size is 32byte. (function_arg_advance): Updated. (function_arg): Likewise. (ix86_function_value): Likewise. (ix86_return_in_memory): Likewise. (ix86_sol10_return_in_memory): Likewise. (ix86_gimplify_va_arg): Likewise. (function_arg_32): Don't warn ABX ABI change here. (function_arg_64): Likewise. 2009-02-13 Bernd Schmidt * loop-iv.c (implies_p): In the final case, test that operands 0 of the two comparisons match. * config/bfin/bfin.c (find_prev_insn_start): New function. (bfin_optimize_loop): Use it in some cases instead of PREV_INSN. (find_next_insn_start): Move. 2009-02-13 Richard Guenther * configure.ac: Enable LFS. * configure: Re-generate. * config.in: Likewise. 2009-02-13 Joseph Myers PR c/35444 * c-parser.c (c_parser_parms_list_declarator): Discard pending sizes on syntax error after some arguments have been parsed. 2009-02-12 Jakub Jelinek * doc/invoke.texi (-fira): Remove. 2009-02-12 H.J. Lu * caller-save.c: Replace regclass.c with reginfo.c in comments. * recog.c: Likewise. * rtl.h: Likewise. 2009-02-12 Uros Bizjak * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2. (umul_ppmm): Likewise. (count_leading_zeros): Likewise. (count_trailing_zeros): Likewise. (UMUL_TIME): Likewise. 2009-02-12 H.J. Lu * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and soft-fp/t-softfp to tmake_file. * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New. (ia64_expand_compare): Use HPUX library for TFmode only for HPUX. (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ, IA64_BUILTIN_INFQ]: New. (ia64_init_builtins): Initialize __builtin_infq, __builtin_fabsq and __builtin_copysignq if not HPUX. (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ. * config/ia64/lib1funcs.asm (__divtf3): Define only if SHARED is defined. (__fixtfti): Likewise. (__fixunstfti): Likewise. (__floattitf): Likewise. * config/ia64/libgcc-glibc.ver: New. * config/ia64/t-fprules-softfp: Likewise. * config/ia64/sfp-machine.h: Likewise. * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New. (LIBGCC2_TF_CEXT): Likewise. (TF_SIZE): Likewise. (TARGET_INIT_LIBFUNCS): Likewise. * config/ia64/t-glibc (SHLINB_MAPFILES): Add $(srcdir)/config/ia64/libgcc-glibc.ver. 2009-02-12 H.J. Lu * config/i386/i386.c (construct_container): Rewrite processing BLKmode with X86_64_SSE_CLASS. 2009-02-12 Paolo Bonzini PR target/39152 * config/i386/i386.md: Replace simplify_replace_rtx with replace_rtx in the new peephole2. 2009-02-12 Nathan Sidwell * doc/invoke.texi (Optimize Options): Stop claiming inlining and loop unrolling do not happen at -O2. 2009-02-12 Michael Matz * gcc.c (ASM_DEBUG_SPEC): Check for -g0. 2009-02-12 Jakub Jelinek * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die for -g3. 2009-02-12 Ben Elliston * config/rs6000/rs6000.md (allocate_stack): Use _stack form of patterns when updating the back chain. Missed in the 2009-02-10 change. 2009-02-11 Janis Johnson * doc/extend.texi (Decimal Floating Types): Update identifier of draft TR and list of missing support. 2009-02-11 Jakub Jelinek PR middle-end/39154 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN bit to variable length decl's flags, add it also to its pointer replacement variable. 2009-02-11 Uros Bizjak Jakub Jelinek PR target/39118 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant. (memory_blockage): New expander. (*memory_blockage): New insn pattern. * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage instead of general blockage at the end of function prologue when frame pointer is used to access red zone area. Do not emit blockage when profiling, it is emitted in generic code. (ix86_expand_epilogue): Emit memory_blockage at the beginning of function epilogue when frame pointer is used to access red zone area. 2009-02-11 Paolo Bonzini PR target/38824 * config/i386/i386.md: Add two new peephole2 to avoid mov followed by arithmetic with memory operands. * config/i386/predicates.md (commutative_operator): New. 2009-02-10 Janis Johnson * doc/extend.texi (Fixed-Point Types): Break long paragraphs into bulleted lists. 2009-02-10 Eric Botcazou * alias.h (record_alias_subset): Declare. * alias.c (record_alias_subset): Make global. 2009-02-10 Nick Clifton * tree-parloops.c: Change license to GPLv3. * ipa-struct-reorg.c: Change license to GPLv3. * ipa-struct-reorg.h: Change license to GPLv3. 2009-02-10 Steve Ellcey PR c/39084 * c-decl.c (start_struct): Return NULL on error. 2009-02-10 Jakub Jelinek PR middle-end/39124 * cfgloopmanip.c (remove_path): Call remove_bbs after cancel_loop_tree, not before it. PR target/39139 * function.h (struct function): Add has_local_explicit_reg_vars bit. * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER VAR_DECLs were seen. * tree-ssa-live.c (remove_unused_locals): Recompute cfun->has_local_explicit_reg_vars. * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode copies or clearings if cfun->has_local_explicit_reg_vars. 2009-02-10 Uros Bizjak PR target/39118 * config/i386/i386.c (expand_prologue): Emit blockage at the end of function prologue when frame pointer is used to access red zone area. 2009-02-10 Richard Guenther PR middle-end/39127 * gimplify.c (gimple_regimplify_operands): Always look if we need to create a temporary. 2009-02-10 Richard Guenther PR tree-optimization/39132 * tree-loop-distribution.c (todo): New global var. (generate_memset_zero): Trigger TODO_rebuild_alias. (tree_loop_distribution): Return todo. 2009-02-10 H.J. Lu PR target/39119 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS. (x86_64_reg_class_name): Removed. (classify_argument): Return 0 if bytes > 32. Return 0 if the first one isn't X86_64_SSE_CLASS or any other ones aren't X86_64_SSEUP_CLASS when size > 16bytes. Don't turn X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS. (construct_container): Remove X86_64_AVX_CLASS. Handle 4 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS. 2009-02-10 Ben Elliston * config/rs6000/rs6000.md (allocate_stack): Always use an update form instruction to update the stack back chain word, even if the user has disabled the generation of update instructions. (movdi__update_stack): New. (movsi_update_stack): Likewise. * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise, always use an update form instruction to update the stack back chain word. 2009-02-09 Sebastian Pop PR middle-end/38953 * graphite.c (if_region_set_false_region): After moving a region in the false branch of a condition, remove the empty dummy basic block. (gloog): Remove wrong fix for PR38953. 2009-02-09 Ulrich Weigand * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code generation due to implicit sign extension. 2009-02-09 Eric Botcazou PR middle-end/38981 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST. 2009-02-09 Richard Guenther PR middle-end/35202 * convert.c (convert_to_real): Disable (float)fn((double)x) to fnf(x) conversion if errno differences may occur and -fmath-errno is set. 2009-02-07 Anatoly Sokolov * config/avr/avr.c (avr_mcu_t): Add ata6289 device. * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). 2009-02-06 Joseph Myers PR c/35434 * c-common.c (handle_alias_attribute): Disallow attribute for anything not a FUNCTION_DECL or VAR_DECL. 2009-02-06 Janis Johnson PR c/39035 * real.c (do_compare): Special-case compare of zero against decimal float value. 2009-02-06 Joseph Myers PR c/36432 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields as indicating flexible array members unless the field itself is being declarared as the incomplete array. 2009-02-06 Jan Hubicka PR tree-optimization/38844 * ipa-inline.c (try_inline): Stop inlining recursion when edge is already inlined. 2009-02-06 Richard Guenther PR middle-end/38977 * tree-cfg.c (need_fake_edge_p): Force a fake edge for fork because we may expand it as __gcov_fork. 2009-02-06 Nick Clifton * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero. 2009-02-06 Paolo Bonzini PR tree-optimization/35659 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq vn_phi_eq): Shortcut if hashcode does not match. (vn_reference_op_compute_hash): Do not call iterative_hash_expr for NULL operands. * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available, and avoid iterative_hash_expr. (FOR_EACH_VALUE_ID_IN_SET): New. (value_id_compare): Remove. (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to sort expressions by value id. 2009-02-05 Kaz Kojima PR target/38991 * config/sh/predicates.md (general_movsrc_operand): Don't check the subreg of system registers here. 2009-02-05 Jakub Jelinek PR c++/39106 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P on the copied decl. 2009-02-05 Paolo Bonzini PR rtl-optimization/39110 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned addresses, not aligned ones. 2009-02-05 Daniel Berlin Richard Guenther PR tree-optimization/39100 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the comment says and add edges. 2009-02-05 Joseph Myers PR c/35435 * c-common.c (handle_tls_model_attribute): Ignore attribute for non-VAR_DECLs without checking DECL_THREAD_LOCAL_P. 2009-02-04 Tobias Grosser * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb, sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese): Moved. (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains, outermost_loop_in_scop, build_scop_iteration_domain, expand_scalar_variables_ssa_name, get_vdef_before_scop, limit_scops): Use bb_in_sese_p instead of bb_in_scop_p. Use loop_in_sese_p instead of loop_in_scop_p. (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B. (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B. (scopdet_basic_block_info): Fix bug in scop detection. (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop, eq_loop_to_cloog_loop): Remove. (nb_loops_around_loop_in_scop, nb_loop ref_nb_loops): Moved here... * graphite.h (ref_nb_loops): ... from here. (struct scop): Remove bbs_b bitmap and loop2cloog_loop. (loop_domain_dim, loop_iteration_vector_dim): Remove. (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed. * testsuite/gcc.dg/graphite/scop-19.c: New 2009-02-04 Paolo Bonzini Hans-Peter Nilsson PR rtl-optimization/37889 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments. Move offset handling from PLUS to before the switch. Use new arguments when considering SYMBOL_REFs too. (rtx_addr_can_trap_p): Pass dummy offset and size. (enum may_trap_p_flags): Remove. (may_trap_p_1): Pass size from MEM_SIZE. PR rtl-optimization/38921 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p. * rtl.h (may_trap_after_code_motion_p): Delete prototype. * rtlanal.c (may_trap_after_code_motion_p): Delete. (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags. 2009-02-04 H.J. Lu AVX Programming Reference (January, 2009) * config/i386/sse.md (*vpclmulqdq): New. 2009-02-04 Jakub Jelinek PR tree-optimization/38977 PR gcov-profile/38292 * calls.c (special_function_p): Disregard __builtin_ prefix. 2009-02-04 Hariharan Sandanagobalane * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow non-indexable addresses even before reload. 2009-02-03 Joseph Myers PR c/29129 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators as having variable size. Do not give an error for unnamed parameters with [*] declarators. Give a warning for type names with [*] declarators and mark them as variable size. * c-parser.c (c_parser_sizeof_expression): Do not give an error for sizeof applied to [*] type names. 2009-02-03 Andrew Pinski PR C++/36607 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE. 2009-02-03 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. 2009-02-03 Joseph Myers PR c/35433 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT for composite type involving a zero-length array type. 2009-02-03 Jakub Jelinek PR target/35318 * function.c (match_asm_constraints_1): Skip over initial optional % in the constraint. PR inline-asm/39059 * c-parser.c (c_parser_postfix_expression): If fixed point is not supported, don't accept FIXED_CSTs. * c-decl.c (finish_declspecs): Error if fixed point is not supported and _Sat is used without _Fract/_Accum. Set specs->type to integer_type_node for cts_fract/cts_accum if fixed point is not supported. 2009-02-02 Catherine Moore * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls. 2009-02-02 Richard Sandiford * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro. (ABI_HAS_64BIT_SYMBOLS): Use it. (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS. 2009-02-02 Paul Brook * config/arm/arm.md (arm_addsi3): Add r/r/k alternative. 2009-02-02 Jakub Jelinek PR inline-asm/39058 * recog.h (asm_operand_ok): Add constraints argument. * recog.c (asm_operand_ok): Likewise. If it is set, for digits recurse on matching constraint. (check_asm_operands): Pass constraints as 3rd argument to asm_operand_ok. Don't look up matching constraint here. * stmt.c (expand_asm_operands): Pass NULL as 3rd argument to asm_operand_ok. 2009-02-02 Ben Elliston * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and TARGET_NARROW_VOLATILE_BITFIELD macro names. 2009-01-31 John David Anglin * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker information. Remove some obsolete information. Reorganize. * config/pa/fptr.c: Revert license to GPL 2. * config/pa/milli64.S: Likewise. 2009-01-31 Dave Korn PR target/38904 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass LIBRARY name in, instead of hard-coding it. * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an extra target make frag to tmake_files according to EH model. (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise. * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target frags that define makefile variable EH_MODEL appropriately. * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment. * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or to "-sjlj" according to type of EH configured. (LIBGCC_SONAME): Concatenate it to shared library base name. * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or to "_sjlj" according to type of EH configured. (LIBGCC_SONAME): Concatenate it to shared library base name. * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL. (SHLIB_LINK): Add missing semicolon to if-else construct. (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as string value of "pe_dll" command-line option. * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper. (SHLIB_SONAME): Use it when overriding t-cygming default. (SHLIB_IMPLIB): Override t-cygming default. (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as string value of "pe_dll" command-line option. 2009-01-31 Dave Korn PR target/38952 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New. (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it. 2009-01-31 Richard Guenther PR tree-optimization/38937 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut computing the transitive closure. 2009-01-30 Richard Guenther PR tree-optimization/39041 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Propagate variable indices only if the types match for this stmt. 2009-01-30 Jakub Jelinek PR target/39013 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared inline but never defined. 2009-01-30 Wolfgang Gellerich * config/s390/s390.md (*insv_reg_extimm): Removed. (*insv_h_di_reg_extimm): New insn. (*insv_l_reg_extimm): New insn. 2009-01-30 Hariharan Sandanagobalane * config/picochip/picochip.c (flag_conserve_stack): set PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under fconserve-stack. Reduce call-overhead used by inliner. 2009-01-30 Hariharan Sandanagobalane PR/38157 * common.opt (flag_conserve_stack): Initialised to zero. 2009-01-30 Kai Tietz PR/39002 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs. (ix86_expand_epilogue): Take nsseregs in account to use proper restore method. 2009-01-29 H.J. Lu * ira-color.c (allocno_reload_assign): Update comments. * regmove.c (regmove_optimize): Likewise. * ra.h: Removed. 2009-01-29 Robert Millan * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu). * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine `MD_UNWIND_SUPPORT'. * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h). 2009-01-29 Kazu Hirata PR tree-optimization/39007 * tree-loop-distribution.c (generate_builtin): Use recompute_dominator to compute the immediate dominator of the basic block just after the loop. 2009-01-29 Rainer Orth * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA] (ASM_OUTPUT_DWARF_PCREL): Define. 2009-01-29 Vladimir Makarov * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description. * doc/passes.texi: Remove entries about regclass, local-alloc, and global. Modify entries about regmove and IRA. * ra-conflict.c: Remove the file. * reload.c (push_reload, find_dummy_reload): Remove flag_ira. * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove. (pass_regclass_init): Rename to pass_reginfo_init. * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira. * toplev.h (flag_ira): Remove. * caller-save.c (setup_save_areas): Remove flag_ira. * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto. * global.c: Remove the file. * opts.c (decode_options): Remove flag_ira. * hard-reg-set.h (losing_caller_save_reg_set): Remove. * regmove.c: Modify file description. (find_use_as_address, try_auto_increment): Define them only if AUTO_INC_DEC is defined. (replacement_quality, replace_in_call_usage, fixup_match_1, stable_and_no_regs_but_for_p): Remove. (reg_set_in_bb): Make it static. (regmove_optimize): Remove flag_ira and code which worked for !flag_ira. * local-alloc.c: Remove the file. * common.opt (fira): Remove. * ira.c: Include except.h. (eliminable_regset): Move from global.c. (mark_elimination): Ditto. Remove flag_ira. (reg_renumber, struct equivalence, reg_equiv, equiv_mem, equiv_mem_modified, validate_equiv_mem_from_store, validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p, contains_replace_regs, memref_referenced_p, memref_used_between_p, no_equiv, recorded_label_ref): Move from local-alloc.c. (update_equiv_regs): Ditto. Make it static. (print_insn_chain, print_insn_chains): Move it from global.c. (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira. (build_insn_chain): Ditto. Make it static. (ra_init_live_subregs): Move from ra-conflict.c. Make it static. Rename to init_live_subregs. (gate_ira): Remove flag_ira. * regclass.c: Rename reginfo.c. Change file description. (FORBIDDEN_INC_DEC_CLASSES): Remove. (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove. (init_reg_sets_1): Remove code for evaluation of reg_class_superclasses and losing_caller_save_reg_set. (init_regs): Remove init_reg_autoinc. (struct costs, costs, init_cost, ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): Remove. (regclass_init): Rename to reginfo_init. Don't initialize init_cost. (pass_regclass_init): Rename to pass_reginfo_init. Modify corresponding entries. (dump_regclass, record_operand_costs, scan_one_insn, init_reg_autoinc, regclass, record_reg_classes, copy_cost, record_address_regs, auto_inc_dec_reg_p): Remove. (gt-regclass.h): Rename to gt-reginfo.h. * rtl.h (dump_global_regs, retry_global_alloc, build_insn_chain, dump_local_alloc, update_equiv_regs): Remove. * Makefile.in (RA_H): Remove. (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o. Rename regclass.o to reginfo.o. (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to gt-reginfo.h. (global.o, local-alloc.o, ra-conflict.o): Remove entries. (GTFILES): Rename regclass.c to reginfo.c. * passes.c (init_optimization_passes): Remove pass_local_alloc and pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init. * reload1.c (compute_use_by_pseudos, reload, count_pseudo, count_spilled_pseudo, find_reg, alter_reg, delete_output_reload): Remove flag_ira. (finish_spills): Ditto. Remove code for !flag_ira. 2009-01-29 Kenneth Zadeck PR middle-end/35854 * doc/invoke.texi (rtl debug options): Complete rewrite. * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec" to auto_inc_dec". * mode-switching.c (pass_mode_switching): Rename pass from "mode-sw" to "mode_sw". * except.c (pass_convert_to_eh_ranges): Rename pass from "eh-ranges" to "eh_ranges". * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg" to "subreg1". 2009-01-29 Andrey Belevantsev Alexander Monakov PR middle-end/38857 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard register. (move_exprs_to_boundary): Change return type and pass through should_move from move_op. Relax assert. Update usage ... (schedule_expr_on_boundary): ... here. Use should_move instead of cant_move. (move_op_orig_expr_found): Indicate that insn was disconnected from stream. (code_motion_process_successors): Do not call after_merge_succs callback if original expression was not found when traversing any of the branches. (code_motion_path_driver): Change return type. Update prototype. (move_op): Update comment. Add a new parameter (should_move). Update prototype. Set *should_move based on indication provided by move_op_orig_expr_found. 2009-01-28 Pat Haugen * doc/invoke.texi (avoid-indexed-addresses): Document new option. * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare. * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option. * config/rs6000/rs6000.c (rs6000_override_options): Default avoid-indexed-addresses on for Power6, off for everything else. (avoiding_indexed_address_p): New function. (rs6000_legitimize_address): Use it. (rs6000_legitimate_address): Likewise. * config/rs6000/rs6000.md (movXX_updateX): Likewise 2009-01-28 Kazu Hirata PR tree-optimization/38997 * tree-loop-distribution.c (generate_memset_zero): Use POINTER_PLUS_EXPR for a pointer addition. 2009-01-28 Andreas Krebbel * config/s390/s390.md (bswap2): New pattern added. 2009-01-28 Wolfgang Gellerich * config/s390/s390.md (*tls_load_31): Added type attribute. 2009-01-28 Wolfgang Gellerich * config/s390/s390.md: Fix a few comments. 2009-01-28 Wolfgang Gellerich * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute. (*tm_full): Fixed z10prop attribute. (*tst_extimm): Fixed z10prop attribute. (*tst_cconly_extimm): Fixed z10prop attribute. (*tstqiCCT_cconly): Fixed z10prop attribute. (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute. (*movsi_larl): Fixed z10prop attribute. (*movsi_zarch): Fixed z10prop attribute. (*movsi_eas): Fixed z10prop attribute. (*movhi): Fixed z10prop attribute. (*movqi): Fixed z10prop attribute. (*movstrictqi): Fixed z10prop attribute. (*mov): Fixed z10prop attribute. (*movcc): Fixed z10prop attribute. (*sethighpartdi_64): Fixed z10prop attribute. (*zero_extendhi2_z10): Fixed z10prop attribute. (*negdi2_sign_cc): Fixed z10prop attribute. (*negdi2_sign): Fixed z10prop attribute. (*absdi2_sign_cc): Fixed z10prop attribute. (*absdi2_sign): Fixed z10prop attribute. (*negabsdi2_sign_cc): Fixed z10prop attribute. (*negabsdi2_sign): Fixed z10prop attribute. (*cmp_and_trap_signed_int): Fixed z10prop attribute. (*cmp_and_trap_unsigned_int): Fixed z10prop attribute. (doloop_si64): Fixed z10prop attribute. (doloop_si31): Fixed z10prop attribute. (doloop_long): Fixed z10prop attribute. (indirect_jump): Fixed z10prop attribute. (nop): Fixed z10prop attribute. (main_base_64): Fixed z10prop attribute. (reload_base_64): Fixed z10prop attribute. 2009-01-28 Jakub Jelinek PR rtl-optimization/38740 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling if !optimize. * config/mips/mips.c (mips_reorg): Likewise. 2009-01-28 Richard Guenther PR tree-optimization/38926 * tree-ssa-pre.c (add_to_value): Assert we add only expressions with the correct value id to a value. (do_regular_insertion): Use the value number of edoubleprime for the value number of the expr. Revert 2008-08-21 Richard Guenther * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting a PHI ask VN if it is already available. * tree-ssa-sccvn.h (vn_phi_lookup): Declare. * tree-ssa-sccvn.c (vn_phi_lookup): Export. 2009-01-28 Jakub Jelinek PR middle-end/38934 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR set to varying whenever max has TREE_OVERFLOW set, similarly for GE_EXPR and GT_EXPR and TREE_OVERFLOW min. 2009-01-28 Richard Guenther PR middle-end/38908 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly uninitialized aggregate uses in call arguments. 2009-01-28 Paolo Bonzini PR tree-optimization/38984 * tree-ssa-structalias.c (get_constraints_for_1): Do not use the nothing_id variable if -fno-delete-null-pointer-checks. 2009-01-28 Uros Bizjak PR target/38988 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref. (set_got_offset_rex64): Ditto. 2009-01-27 H.J. Lu PR target/38941 * doc/extend.texi: Improve local variable with asm reg. 2009-01-27 Adam Nemet * c.opt (Wpacked-bitfield-compat): Change init value to -1. * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat was not supplied then set warn_packed_bitfield_compat to the default value of 1. * stor-layout.c (place_field): Check warn_packed_bitfield_compat against 1. 2009-01-27 Richard Guenther PR tree-optimization/38503 * cfgexpand.c (expand_gimple_basic_block): Ignore GIMPLE_CHANGE_DYNAMIC_TYPE during expansion. * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune variables that cannot have TBAA applied. (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE statements. 2009-01-27 Uros Bizjak PR middle-end/38969 * calls.c (initialize_argument_information): Do not wrap complex arguments in SAVE_EXPR. 2009-01-26 Andreas Tobler * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo. (INSTALL_LIBGCC): Revert typo commit. 2009-01-26 Richard Guenther PR tree-optimization/38745 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL from special handling. 2009-01-26 Richard Guenther PR tree-optimization/38745 * tree-ssa.c (execute_update_addresses_taken): Do not include variables that cannot possibly be a register in not_reg_needs. Do not clear TREE_ADDRESSABLE on vars that may not become registers. * tree-ssa.c (update_alias_info_1): Include those in the set of addressable vars. 2009-01-26 Richard Guenther PR middle-end/38851 * Makefile.in (tree-ssa-dse.o): Add langhooks.h. * tree-ssa-dse.c: Include langhooks.h (execute_simple_dse): Remove stores with zero size. 2009-01-24 Jakub Jelinek PR c/38957 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way as PLUS_EXPR. 2009-01-24 Julian Brown * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add config/arm/linux-atomic.c. * config/arm/linux-atomic.c: New. 2009-01-24 Eric Botcazou * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete. * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise. * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise. 2009-01-24 H.J. Lu PR c/38938 * c-opts.c (c_common_handle_option): Update warn_pointer_sign properly. 2009-01-24 Sebastian Pop PR tree-optimization/38953 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa. (scop_adjust_phis_for_liveouts): Initialize false_i to zero. (gloog): Split the exit of the scop when the scop exit is a loop exit. (graphite_transform_loops): Only call cleanup_tree_cfg if gloog changed the CFG. 2009-01-24 Paul Brook * config/arm/neon.md (neon_type): Move to arm.md. (neon_mov): Add neon_type attribute. * config/arm/arm.md (neon_type): Move to here. (conds): Add "unconditioal" and use as default for NEON insns. 2009-01-24 Ben Elliston * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from void *' warning from -Wc++-compat. * Makefile.in (dominance.o-warn): Remove. 2009-01-23 Paolo Bonzini PR tree-optimization/38932 * fold-const.c (fold_unary_ignore_overflow): New. * tree.h (fold_unary_ignore_overflow): Declare. * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow. * tree-ssa-sccvn.c (visit_reference_op_load, simplify_unary_expression): Likewise. 2009-01-22 Adam Nemet * c-decl.c (finish_struct): Move code to set DECL_PACKED after DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields regardless of their type. * c-common.c (handle_packed_attribute): Don't ignore packed on bitfields. * c.opt (Wpacked-bitfield-compat): New warning option. * stor-layout.c (place_field): Warn if offset of a field changed. * doc/extend.texi (packed): Mention the ABI change. * doc/invoke.texi (-Wpacked-bitfield-compat): Document. (Warning Options): Add it to the list. 2009-01-22 H.J. Lu * c-opts.c (c_common_post_options): Fix a typo in comments. 2009-01-22 Steve Ellcey PR middle-end/38615 * gimplify.c (gimplify_init_constructor): Fix promotion of const variables to static. * doc/invoke.texi (-fmerge-all-constants): Update description. 2009-01-22 Uros Bizjak PR target/38931 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2. (*movdi_1_rex64): Use type "mmx" for alternative 5. 2009-01-22 Richard Earnshaw * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to a word boundary. (LOCAL_ALIGNMENT): Similarly. 2009-01-22 Mark Shinwell Joseph Myers * config/arm/arm.c (all_architectures): Add iWMMXt2 entry. * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2. * config/arm/arm-tune.md: Regenerate. * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and -march=iwmmxt2. 2009-01-22 Mark Shinwell * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI version number to five. 2009-01-22 Dodji Seketeli PR c++/38930 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes. * c-common.c (set_underlying_type): Likewise. (is_typedef_decl ): Likewise * tree.h: Likewise (set_underlying_type): Likewise. (is_typedef_type): Likewise. 2009-01-21 Vladimir Makarov PR middle-end/38587 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos crossing setjmps. 2009-01-21 Dave Korn PR bootstrap/37660 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro. (LIBGCC_SPEC): Don't define. (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC. 2009-01-21 Uros Bizjak PR rtl-optimization/38879 * alias.c (base_alias_check): Unaligned access via AND address can alias all surrounding object types except those with sizes equal or wider than the size of unaligned access. 2009-01-21 Dodji Seketeli PR c++/26693 * c-decl.c (clone_underlying_type): Move this ... * c-common.c (set_underlying_type): ... here. Also, make sure the function properly sets TYPE_STUB_DECL() on the newly created typedef variant type. (is_typedef_decl ): New entry point. * tree.h: Added a new member member_types_needing_access_check to struct tree_decl_non_common. (set_underlying_type): New entry point. (is_typedef_type): Likewise. 2009-01-21 Bingfeng Mei * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p): Check whether two instructions have memory references that belong to conflicting alias sets. walk_mems_1 and walk_mems_2 are helper functions for traversing. * alias.h (insn_alias_sets_confilict_p): New prototypes. * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p not to draw dependency edge for instructions with non-conflicting alias sets. 2009-01-20 Joseph Myers PR other/38758 * longlong.h: Update copyright years. Use soft-fp license notice. Sync __clz_tab declaration with glibc. 2009-01-20 Steve Ellcey PR target/30687 * doc/extend.texi (syscall_linkage): New. (version_id): Modify. 2009-01-20 Andrew Pinski Richard Guenther PR tree-optimization/38747 PR tree-optimization/38748 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE conversion if the base address is an indirect reference and the aliasing sets could cause issues. 2009-01-20 Sebastian Pop * common.opt (fgraphite, fgraphite-identity): Add comment for explaining why these options are not documented. 2009-01-20 Sebastian Pop * graphite.c (stmt_simple_for_scop_p): Also handle cases when gimple_call_lhs is NULL. 2009-01-20 Paolo Bonzini PR target/38868 * emit-rtl.c (adjust_address_1): Make sure memref is never overwritten. 2009-01-20 Ben Elliston * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove const qualifier from arg parameter. Remove unnecessary cast to char *. * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove const qualifier from arg 2. 2009-01-19 Iain Sandoe * config/darwin.h: Add static-libgfortran to LINK_SPEC. 2009-01-19 Vladimir Makarov PR c/38869 * rtl.h (reinit_regs): New prototype. * regclass.c: Include ira.h. (reinit_regs): New. * Makefile.in (regclass.o): Add ira.h. * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs. 2009-01-18 H.J. Lu PR target/38736 * c-common.c (handle_aligned_attribute): Use ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for default alignment value. * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__. * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New. * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise. * doc/extend.texi: Update __attribute__ ((aligned)). Document __BIGGEST_ALIGNMENT__. * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE. 2009-01-18 Richard Guenther PR tree-optimization/38819 * tree-flow.h (operation_could_trap_helper_p): Declare. * tree-eh.c (operation_could_trap_helper_p): Export. * tree-ssa-sccvn.h (vn_nary_may_trap): Declare. * tree-ssa-sccvn.c (vn_nary_may_trap): New function. * tree-ssa-pre.c (insert_into_preds_of_block): Check if we are about to insert a possibly trapping instruction and fail in this case. 2009-01-18 Andreas Schwab * doc/install.texi (Configuration): Remove obsolete paragraph about use of --with-gnu-ld with --with-gnu-as. 2009-01-18 Kazu Hirata * doc/extend.texi, doc/gimple.texi, doc/invoke.texi, doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos. Follow spelling conventions. 2009-01-18 Ben Elliston * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate C++ warning about implicit conversion from void * to struct bitmap_head_def *. (bitmap_obstack_free): Likewise for bitmap_element *. * Makefile.in (bitmap.o-warn): Remove. 2009-01-17 Dave Korn * Makefile.in (BACKENDLIBS): Reorder to match dependencies. 2009-01-17 Sebastian Pop Tobias Grosser * graphite.c (graphite_trans_scop_block): Do not block single nested loops. 2009-01-16 Alexandre Oliva * ebitmap.h (ebitmap_iter_init): Initialize all fields. * ipa-struct-reorg.c (gen_struct_type): Replace known-true test with assertion. 2009-01-16 Richard Guenther PR tree-optimization/38835 PR middle-end/36227 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT) and INT + PTR -> (INT)(PTR p+ INT) folding. * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR. 2009-01-16 Adam Nemet PR target/38554 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift the subreg from a lowpart subreg if it is also casting the value. 2009-01-16 Sebastian Pop Tobias Grosser * graphite.c (compare_prefix_loops): New. (build_scop_canonical_schedules): Rewritten. (graphite_transform_loops): Move build_scop_canonical_schedules after build_scop_iteration_domain. 2009-01-16 Sebastian Pop Tobias Grosser * graphite.c (add_conditions_to_domain): Add the loops to the dimension of the iteration domain. Do copy the domain only when it exists. (build_scop_conditions_1): Do not call add_conditions_to_domain. (add_conditions_to_constraints): New. (can_generate_code_stmt, can_generate_code): Removed. (gloog): Do not call can_generate_code. (graphite_transform_loops): Call add_conditions_to_constraints after building the iteration domain. 2009-01-16 Jakub Jelinek PR tree-optimization/38789 * tree-ssa-threadedge.c (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to __builtin_constant_p. 2009-01-16 Kenneth Zadeck * dce.c (delete_unmarked_insns): Reversed the order that insns are examined before deleting them. 2009-01-16 Richard Earnshaw * function.c (aggregate_value_p): Correctly extract the function type from CALL_EXPR_FN lookup. 2009-01-16 Hariharan Sandanagobalane * config/picochip/picochip.c (picochip_override_options): Revert CFI asm flag disable commited previously. 2009-01-15 Sebastian Pop Tobias Grosser Jan Sjodin * graphite.c (scan_tree_for_params): On substractions negate all the coefficients of the term. (clast_to_gcc_expression_red): New. Handle reduction expressions of more than two operands. (clast_to_gcc_expression): Call clast_to_gcc_expression_red. (get_vdef_before_scop): Handle also the case of default definitions. 2009-01-15 Richard Sandiford * caller-save.c (add_used_regs_1, add_used_regs): New functions. (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes. Also use them when walking CALL_INSN_FUNCTION_USAGE. 2009-01-15 H.J. Lu Joey Ye PR middle-end/37843 * cfgexpand.c (expand_stack_alignment): Don't update stack boundary nor check incoming stack boundary here. (gimple_expand_cfg): Update stack boundary and check incoming stack boundary here. 2009-01-15 Kenneth Zadeck * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments. 2009-01-14 Jakub Jelinek PR rtl-optimization/38245 * calls.c (expand_call): Add stack arguments to CALL_INSN_FUNCTION_USAGE even for pure calls (when ACCUMULATE_OUTGOING_ARGS) and even for args partially passed in regs and partially in memory or BLKmode arguments. (emit_library_call_value_1): Add stack arguments to CALL_INSN_FUNCTION_USAGE even for pure calls (when ACCUMULATE_OUTGOING_ARGS). * dce.c: Include tm_p.h. (find_call_stack_args): New function. (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES argument. (mark_insn): Call find_call_stack_args for CALL_Ps. (prescan_insns_for_dce): Walk insns backwards in bb rather than forwards. Allocate and free arg_stores bitmap if needed, pass it down to deletable_insn_p, don't mark stores set in arg_stores bitmap, clear the bitmap at the beginning of each bb. * Makefile.in (dce.o): Depend on $(TM_P_H). 2009-01-14 Michael Meissner PR target/22599 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f' to make sure the insn is a conditional test (bug 22599). Reformat a few long lines. 2009-01-14 Sebastian Pop PR middle-end/38431 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New. (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi. (gloog): Do not call cleanup_tree_cfg. (graphite_transform_loops): Call cleanup_tree_cfg after all scops have been code generated. 2009-01-14 Basile Starynkevitch * doc/gty.texi (Invoking the garbage collector): Added new node and section documenting ggc_collect. 2009-01-14 Richard Guenther PR tree-optimization/38826 PR middle-end/38477 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer initialization notes only if we actually emitted a warning. (intra_create_variable_infos): Add constraints for a result decl that is passed by hidden reference. (build_pred_graph): Mark all related variables non-direct on address-taking. 2009-01-14 Nick Clifton * ira-conflicts.c: Include addresses.h for the definition of base_reg_class. (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS. * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h. 2009-01-13 Vladimir Makarov PR target/38811 * Makefile.in (ira-lives.o): Add except.h. * ira-lives.c: Include except.h. (process_bb_node_lives): Process can_throw_internal. 2009-01-13 Jakub Jelinek PR rtl-optimization/38774 * combine.c (simplify_set): When undoing cc_use change, don't do PUT_CODE on the newly created comparison, but instead put back the old comparison. 2009-01-13 Joseph Myers * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march values. Remove duplicate arm8 entry. 2009-01-13 Sebastian Pop PR tree-optimization/38786 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from the SSA_NAME case of expand_scalar_variables_expr. Set the type of an expression to the type of its assign statement. (expand_scalar_variables_expr): Also gather the scalar computation used to index the memory access. Do not pass loop_p. Fix comment. Stop recursion on tcc_constant or tcc_declaration. (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr the gimple_stmt_iterator where it inserts new code. Do not pass loop_p. (copy_bb_and_scalar_dependences): Do not pass loop_p. (translate_clast): Update call to copy_bb_and_scalar_dependences. 2009-01-13 Sebastian Pop * graphite.h (debug_value): Removed. * graphite.c (debug_value): Removed. 2009-01-13 Richard Earnshaw * config/arm/arm.c (output_move_double): Don't synthesize thumb-2 ldrd/strd with two 32-bit instructions. 2009-01-13 Richard Earnshaw * config/arm/arm.c (struct processors): Pass for speed down into cost helper functions. (const_ok_for_op): Handle COMPARE and inequality nodes. (arm_rtx_costs_1): Rewrite. (arm_size_rtx_costs): Update prototype. (arm_rtx_costs): Pass speed down to helper functions. (arm_slowmul_rtx_costs): Rework cost calculations. (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise. (arm_9e_rtx_costs): Likewise. 2009-01-13 Uros Bizjak * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit relocations of local symbols wider than UNITS_PER_WORD are not valid. (alpha_legitimize_address): Do not split local symbols wider than UNITS_PER_WORD into HIGH/LO_SUM parts. 2009-01-13 Danny Smith PR bootstrap/38580 * gcc.c (process_command): Replace call to execvp with calls to pex_one and exit. 2009-01-03 Anatoly Sokolov PR target/29141 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm. * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add variant for devices with 3-byte PC. (__tablejump_elpm__): New. 2009-01-12 Jakub Jelinek PR c/32041 * c-parser.c (c_parser_postfix_expression): Allow `->' in offsetof member-designator, handle it as `[0].'. 2009-01-12 John David Anglin * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk function when not using named sections on targets with named sections if branch distance is less than 262132. 2009-01-12 Richard Earnshaw * combine.c (combine_instructions): Recompute optimize_this_for_speed_p for each BB in the main combine loop. 2009-01-12 Tomas Bily PR middlend/38385 * tree-loop-distribution.c (prop_phis): New function. (generate_builtin): Call prop_phis. * testsuite/gcc.dg/tree-ssa/pr38385.c: New file. 2009-01-12 Jakub Jelinek PR tree-optimization/38807 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at gimple_visited_p unless stmt is GIMPLE_ASSIGN. 2009-01-11 Adam Nemet * expmed.c (store_bit_field_1): Properly truncate the paradoxical subreg of op0 to the original op0. 2009-01-11 Laurent GUERBY * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc. 2009-01-11 Markus Schoepflin PR debug/7055 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings starting with digits. 2009-01-10 Jakub Jelinek PR target/38695 * config/arm/arm.c (arm_is_long_call_p): Don't call arm_function_in_section_p if decl isn't a FUNCTION_DECL. 2009-01-09 Steven Bosscher * regrename.c (regrename_optimize): Fix dumping. (find_oldest_value_reg): Preserve REG_POINTER. (copy_hardreg_forward_1): Likewise. 2009-01-09 Diego Novillo * gimple.h (struct gimple_statement_base) : Document the restrictions on its use. (gimple_uid): Tidy. (gimple_set_uid): Tidy. 2009-01-09 Jakub Jelinek * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add zero guard even if align_bytes != 0 and count is smaller than size_needed. 2009-01-09 Vladimir Makarov PR rtl-optimization/38495 * ira-emit.c (print_move_list, ira_debug_move_list): New functions. (add_range_and_copies_from_move_list): Print all added ranges. Add ranges to memory optimized destination. 2009-01-09 Jakub Jelinek PR target/38686 PR target/38708 * config/i386/i386.c (override_options): Reject -mstringop-strategy=rep_8byte with -m32. (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed to 1. Do count comparison against epilogue_size_needed at compile time even when count_exp was constant forced into register. For size_needed don't jump to epilogue, instead just avoid aligning and invoke the body algorithm. If need_zero_guard, add zero guard even if count is non-zero, but smaller than size_needed + number of bytes that could be stored for alignment. (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed to 1. If need_zero_guard, add zero guard even if count is non-zero, but smaller than size_needed + number of bytes that could be stored for alignment. Compare size_needed with epilogue_size_needed instead of desired_align - align, don't adjust size_needed, pass epilogue_size_needed to the epilogue expanders. PR c/35742 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR. 2009-01-09 John David Anglin * pa.c (last_address): Change to unsigned. (update_total_code_bytes): Change argument to unsigned. Don't check if insn addresses are set. (pa_output_function_epilogue): Set last_address to UINT_MAX if insn addresses are not set. (pa_asm_output_mi_thunk): Handle wrap when updating last_address. 2009-01-09 Nick Clifton * config/sh/symbian.c: Replace uses of DECL_INLINE with DECL_DECLARED_INLINE_P. 2009-01-09 Jakub Jelinek PR middle-end/38347 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of GET_MODE (op0) in operand_subword_force calls. PR middle-end/38771 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR, fold_convert arg0 operands to TREE_TYPE (op0) first. 2009-01-08 Vladimir Makarov * params.def (ira-max-conflict-table-size): Decrease default value to 1000. 2009-01-08 Jakub Jelinek PR tree-optimization/37031 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy on parameter_set. (build_access_matrix): Reserve correct size for AM_MATRIX vector, allocate it using gc instead of heap, use VEC_quick_push instead of VEC_safe_push. * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc instead of heap, use VEC_quick_push instead of VEC_safe_push. * tree-data-ref.h (struct access_matrix): Change matrix to gc allocated vector from heap allocated. * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector. * tree-loop-linear.c (linear_transform_loops): Allocate nest vector only after perfect_loop_nest_depth call. 2009-01-08 Sebastian Pop Jan Sjodin PR tree-optimization/38559 * graphite.c (debug_value, copy_constraint, swap_constraint_variables, scale_constraint_variable, ): New. (get_lower_bound, get_upper_bound): Removed. (graphite_trans_bb_strip_mine): Clean up this code that works only for constant number of iterations. Fully copy upper and lower bound constraints, not only the constant part of them. * graphite.h (debug_value): Declared. 2009-01-08 Ira Rosen PR tree-optimization/37194 * tree-vect-transform.c (vect_estimate_min_profitable_iters): Don't add the cost of cost model guard in prologue to scalar outside cost in case of known number of iterations. 2009-01-07 Nathan Froyd Alan Modra * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for non-word-aligned REG+CONST addressing. 2009-01-07 Uros Bizjak PR target/38706 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call free_after_compilation when outputting a thunk. (alpha_output_mi_thunk_osf): Assert that we are processing a thunk. Do not call free_after_compilation here. 2009-01-07 Uros Bizjak * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE. (ix86_valid_target_attribute_inner_p): Ditto. 2009-01-07 Jan Sjodin PR tree-optimization/38492 PR tree-optimization/38498 * tree-check.c (operator_is_linear, scev_is_linear_expression): New. * tree-chrec.h (scev_is_linear_expression): Declared. * graphite.c (graphite_cannot_represent_loop_niter): New. (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter. (graphite_loop_normal_form): Use gcc_assert. (scan_tree_for_params): Use CASE_CONVERT. (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New. (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes. Use gcc_assert. Discard scops that contain unhandled cases. (build_scop_conditions): Return a boolean status for unhandled cases. (strip_mine_profitable_p): Print the loop number, not its depth. (is_interchange_valid): Pass the depth of the loop nest, don't recompute it wrongly. (graphite_trans_bb_block): Same. (graphite_trans_bb_block): Print tentative of loop blocking. (graphite_trans_scop_block): Do not print that the loop has been blocked. (graphite_transform_loops): Do not handle scops that contain condition scalar phi nodes. 2009-01-07 H.J. Lu AVX Programming Reference (December, 2008) * config/i386/avxintrin.h (_mm256_stream_si256): New. (_mm256_stream_pd): Likewise. (_mm256_stream_ps): Likewise. * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256, IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256. (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI. (bdesc_special_args): Add __builtin_ia32_movntdq256, __builtin_ia32_movntpd256 and __builtin_ia32_movntps256. (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI. (ix86_expand_special_args_builtin): Likewise. * config/i386/sse.md (AVXMODEDI): New. (avx_movnt): Likewise. (avx_movnt): Likewise. (_movnt): Remove AVX support. (sse2_movntv2di): Likewise. 2009-01-07 Richard Guenther PR middle-end/38751 * fold-const.c (extract_muldiv): Remove obsolete comment. (fold_plusminus_mult_expr): Undo MINUS_EXPR to PLUS_EXPR canonicalization for the canonicalization. 2009-01-07 Gerald Pfeifer * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit hosted cross-compilers generating less efficient code. 2009-01-06 Richard Sandiford * function.h (rtl_data): Add a dbr_scheduled_p field. * reorg.c (dbr_schedule): Set it. (gate_handle_delay_slots): Check it. * config/mips/mips.c (mips_base_delayed_branch): Delete. (mips_reorg): Check flag_delayed_branch instead of mips_base_delayed_branch. (mips_override_options): Don't set mips_base_delayed_branch or flag_delayed_branch. 2009-01-06 Richard Sandiford PR rtl-optimization/38426. * ira.c (ira): Set current_function_is_leaf earlier. 2009-01-06 Jakub Jelinek PR rtl-optimization/38722 * combine.c (try_combine): Don't modify PATTERN (i3) and notes too early, only set a flag and modify after last possible undo_all point. 2009-01-06 Janis Johnson PR c/34252 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN. * real.c (decimal_single_format): Correct values of emin and emax. (decimal_double_format): Ditto. (decimal_quad_format): Ditto. * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust computation of DECnn_MIN and DECnn_MAX for corrected values of emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of __DECnn_MIN__, and adjust its computation for the corrected value of emin. 2009-01-06 Jan Hubicka PR target/38744 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE. 2009-01-06 Gerald Pfeifer * doc/contrib.texi (Contributors): Slightly adjust the end note. Add Robert Clark to the list of testers. 2009-01-06 Jan Hubicka Kai Tietz * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers. * config/i386/i386.c (ix86_expand_call): Add clobbers. 2009-01-06 Jan Hubicka Kai Tietz * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used for w64 ABI. * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs. (ix86_nsaved_regs): Count only general purpose regs. (ix86_nsaved_sseregs): New. (ix86_compute_frame_layout): Update nsseregs; set preferred alignment to 16 for w64; compute padding and size of sse reg save area. (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only general purpose regs. (ix86_emit_save_sse_regs_using_mov): New. (ix86_expand_prologue): Save SSE regs if needed. (ix86_emit_restore_regs_using_mov): Use only general purpose regs. (ix86_emit_restore_sse_regs_using_mov): New. (ix86_expand_epilogue): Save SSE regs if needed. 2009-01-06 Jan Hubicka Kai Tietz * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI functions when accumulate outgoing args is off. 2009-01-06 H.J. Lu PR bootstrap/38742 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING before using pseudos_have_intersected_live_ranges_p. * ira-int.h (ira_assert): Always define. 2009-01-06 H.J. Lu AVX Programming Reference (December, 2008) * config/i386/avxintrin.h (_mm_permute2_pd): Removed. (_mm256_permute2_pd): Likewise. (_mm_permute2_ps): Likewise. (_mm256_permute2_ps): Likewise. * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise. * config/i386/sse.md (avx_vpermil23): Likewise. * config/i386/i386.c (ix86_builtins): Remove IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256. (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT. (bdesc_args): Remove __builtin_ia32_vpermil2pd, __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and __builtin_ia32_vpermil2ps256. (ix86_init_mmx_sse_builtins): Updated. (ix86_expand_args_builtin): Likewise. 2009-01-05 John David Anglin * pa.c (output_call): Relocate non-jump insns in the delay slot of long absolute calls when generating PA 2.0 code. 2009-01-05 Vladimir Makarov PR rtl-optimization/38583 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro. * params.def (ira-max-conflict-table-size): New. * doc/invoke.texi (ira-max-conflict-table-size): Decribe. * ira.h (ira_conflicts_p): New external definition. * ira-conflicts.c (build_conflict_bit_table): Do not build too big table. Report this. Return result of building. (ira_build_conflicts): Use ira_conflicts_p. Check result of building conflict table. * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num. (ira_color): Use ira_conflicts_p. * global.c: Include ira.h. (pseudo_for_reload_consideration_p, build_insn_chain): Use ira_conflicts_p. * Makefile.in (global.o): Add ira.h. * ira-build.c (mark_all_loops_for_removal, propagate_some_info_from_allocno): New. (remove_unnecessary_allocnos): Call propagate_some_info_from_allocno. (remove_low_level_allocnos): New. (remove_unnecessary_regions): Add parameter. Call mark_all_loops_for_removal and remove_low_level_allocnos. Pass parameter to remove_unnecessary_regions. (ira_build): Remove all regions but root if the conflict table was not built. Update conflict hard regs for allocnos crossing calls. * ira.c (ira_conflicts_p): New global. (ira): Define and use ira_conflicts_p. * reload1.c (compute_use_by_pseudos, reload, count_pseudo, count_spilled_pseudo, find_reg, alter_reg, finish_spills, emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p. 2009-01-06 Ben Elliston * gengtype-lex.l (YY_NO_INPUT): Define. 2009-01-05 Andrew Pinski PR c/34911 * c-common.c (handle_vector_size_attribute): Also reject BOOLEAN_TYPE types. 2009-01-05 Sebastian Pop PR tree-optimization/38492 * graphite.c (rename_map_elt, debug_rename_elt, debug_rename_map_1, debug_rename_map, new_rename_map_elt, rename_map_elt_info, eq_rename_map_elts, get_new_name_from_old_name, bb_in_sese_p): Moved around. (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use. (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb. (sese_build_livein_liveouts): New. (new_sese, free_sese): New. (new_scop): Call new_sese. (free_scop): Call free_sese. (rename_variables_from_edge, rename_phis_end_scop): Removed. (register_old_new_names): Renamed register_old_and_new_names. (register_scop_liveout_renames, add_loop_exit_phis, insert_loop_close_phis, struct igp, default_liveout_before_guard, add_guard_exit_phis, insert_guard_phis, copy_renames): New. (translate_clast): Call insert_loop_close_phis and insert_guard_phis. (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge. (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts. (scop_adjust_phis_for_liveouts): New. (gloog): Call scop_adjust_phis_for_liveouts. * graphite.h (struct sese): Documented. Added fields liveout, num_ver and livein. (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New. (new_sese, free_sese, sese_build_livein_liveouts): Declared. (struct scop): Added field liveout_renames. (SCOP_LIVEOUT_RENAMES): New. 2009-01-05 Harsha Jagasia PR tree-optimization/38510 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops. (translate_clast): Call recompute_all_dominators before graphite_verify. (gloog): Call recompute_all_dominators before graphite_verify. 2009-01-05 Harsha Jagasia Jan Sjodin PR tree-optimization/38500 * graphite.c (create_sese_edges): Call fix_loop_structure after splitting blocks. 2009-01-05 Joel Sherrill * config.gcc: Add m32r*-*-rtems*. * config/m32r/rtems.h: New file. 2009-01-05 Ben Elliston * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir. (.po.pox): Likewise. (po/gcc.pot): Likewise. 2009-01-04 David S. Miller * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete. (STARTING_FRAME_OFFSET): Always set to zero. 2009-01-04 Richard Sandiford * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary. * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of fixed-point types, and vectors of the same. 2009-01-04 Richard Sandiford * config/mips/sync.md (*mb_barrier): Rename to... (*memory_barrier): ...this. 2009-01-04 Jonathan Wakely * doc/extend.texi (Function Attributes): Move @cindex after @item for 'artificial' and 'flatten'. Fix grammar for 'externally_visible' and put in alphabetical order. Fix 'target' name and put in order. * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix typos. 2009-01-04 Uros Bizjak * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB. (memory_barrier): Expand as unspec instead of unspec_volatile. Remove mem:BLK from insn operands. Use Pmode scratch register. (*memory_barrier): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand. * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR. * config/sparc/sync.md (memory_barrier): Expand as unspec instead of unspec_volatile. Remove mem:BLK from insn operands. Use Pmode scratch register. Remove operand 1. (*stbar): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand, remove (const_int 8). (*membar): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand, remove input operand 2. * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW. (memory_barrier): Expand as unspec instead of unspec_volatile. Remove mem:BLK from insn operands. Use Pmode scratch register. (*memory_barrier): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand. * config/ia64/sync.md (memory_barrier): Redefine as expander pattern. Remove mem:BLK from insn operands. Use Pmode scratch register. Set volatile flag on operand 0. (*memory_barrier): New insn pattern. * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from insn operands. (*memory_barrier): Use (match_dup 0) as input operand. * config/mips/sync.md (memory_barrier): Redefine as expander pattern. Remove mem:BLK from insn operands. Use Pmode scratch register. Set volatile flag on operand 0. (*mb_internal): New insn pattern. * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal. 2009-01-04 Steven Bosscher PR middle-end/38586 * function.c (struct temp_slot): Move to the section of the file that deals with temp slots. Remove field 'address'. (temp_slot_address_table): New hash table of address -> temp slot. (struct temp_slot_address_entry): New struct, items for the table. (temp_slot_address_compute_hash, temp_slot_address_hash, temp_slot_address_eq, insert_temp_slot_address): Support functions for the new table. (find_temp_slot_from_address): Rewrite to use the new hash table. (remove_unused_temp_slot_addresses): Remove addresses of temp slots that have been made available. (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse, worker function for remove_unused_temp_slot_addresses. (assign_stack_temp_for_type): Don't clear the temp slot address list. Add the temp slot address to the address -> temp slot map. (update_temp_slot_address): Update via insert_temp_slot_address. (free_temp_slots): Call remove_unused_temp_slot_addresses. (pop_temp_slots): Likewise. (init_temp_slots): Allocate the address -> temp slot map, or empty the map if it is already allocated. (prepare_function_start): Initialize temp slot processing. 2009-01-04 Steven Bosscher PR middle-end/38584 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate: Calculate the size of all stack vars assuming no packing of stack vars will happen, replacing a quadratic algorithm with a linear one. 2009-01-03 Jakub Jelinek PR target/38707 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn can't be used. 2009-01-03 Diego Novillo * doc/contrib.texi: Update contributions. 2009-01-03 Jakub Jelinek PR c++/38705 * builtins.c (fold_builtin_memory_op): Give up if either operand is volatile. Set srctype or desttype to non-qualified version of the other type. PR c/38700 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs and FUNCTION_DECLs. 2009-01-02 Kenneth Zadeck PR rtl-optimization/35805 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr problem if fast dce is able to remove any instructions. * dce.c (dce_process_block): Fix dump message. 2009-01-02 Mark Mitchell PR 33649 * tree-ssa-pre.c (compute_antic): Correct loop bounds. 2009-01-02 Jakub Jelinek PR middle-end/38690 * tree-flow.h (op_code_prio, op_prio): New prototypes. * tree-pretty-print.c (op_code_prio): New function. (op_prio): No longer static. Use op_code_prio. * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs): Use op_prio and op_code_prio to determine if () should be printed around operand(s) or not. * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs, dump_gimple_call, dump_gimple_switch, dump_gimple_cond, dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi, dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use pp_character instead of pp_string for single letter printing. 2009-01-02 Richard Sandiford * doc/extend.texi: Fix '#pragma GCC option' typo. 2009-01-02 Richard Guenther * doc/install.texi (--enable-checking): Mention different default for stage1. (--enable-stage1-checking): Document. 2009-01-01 Andrew Pinski PR middle-end/30142 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR case to be an error. 2009-01-02 Ben Elliston * config/fp-bit.h (pack_d): Constify argument. * config/fp-bit.c (makenan): Constify return type. Remove casts. (isnan): Constify argument. (isinf): Likewise. (iszero): Likewise. (pack_d): Likewise. (_fpadd_parts): Constify return type. (_fpmul_parts): Likewise. (_fpdiv_parts): Likewise. 2009-01-01 Jakub Jelinek PR c/36489 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only warn about overwriting initializer with side-effects or -Woverride-init if !IMPLICIT. (output_init_element): Likewise. Pass IMPLICIT down to add_pending_init. (process_init_element): Add IMPLICIT argument. Pass it down to output_init_element. (push_init_element, pop_init_level, set_designator): Adjust process_init_element callers. (set_nonincremental_init, set_nonincremental_init_from_string): Adjust add_pending_init callers. (output_pending_init_elements): Adjust output_init_element callers. * c-tree.h (process_init_element): Adjust prototype. * c-parser.c (c_parser_initelt, c_parser_initval): Adjust process_init_element callers.