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2012-08-16re PR middle-end/54146 (Very slow compile with attribute((flatten)))Richard Guenther1-2/+8
2012-08-16 Richard Guenther <rguenther@suse.de> PR middle-end/54146 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the exit vector. * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK. * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix. * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc. * tree-into-ssa.c (get_ssa_name_ann): Allocate info only when needed. * tree-ssa-loop-im.c (analyze_memory_references): Adjust. (tree_ssa_lim_finalize): Free all mem_refs. * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free scc when bailing out. * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK. * ira-build.c (loop_with_complex_edge_p): Free loop exit vector. * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use FOR_EACH_LOOP_BREAK. From-SVN: r190445
2012-05-31output.h (__gcc_host_wide_int__): Move to hwint.h.Steven Bosscher1-1/+0
* output.h (__gcc_host_wide_int__): Move to hwint.h. (decl_default_tls_model): Move to tree.h (dump_file): Move to system.h. (default_stabs_asm_out_destructor, default_stabs_asm_out_constructor, dbxout_int, dbxout_stabd, dbxout_begin_stabn, dbxout_begin_stabn_sline, dbxout_begin_empty_stabs, dbxout_begin_simple_stabs, dbxout_begin_simple_stabs_desc, dbxout_stab_value_zero, dbxout_stab_value_zero, dbxout_stab_value_label_diff, dbxout_stab_value_internal_label, dbxout_stab_value_internal_label_diff): Move from here ... * dbxout.h: ... to here. * system.h (dump_file): Moved here from output.h. * hwint.h (__gcc_host_wide_int__): Moved here from output.h. * tree.h (decl_default_tls_model): Moved here from output.h. * varasm.c (default_stabs_asm_out_destructor, default_stabs_asm_out_constructor): Move from here ... * dbxout.c: ... to here. * gcov-dump.c (dump_file): Rename to dump_gcov_file. Update callers. * collect2.h (dump_file): Rename to dump_ld_file. * collect2.c: Likewise. * tlink.c: Likewise. * alias.c: Do not include output.h. * auto-inc-dec.c: Likewise. * bt-load.c: Likewise. * caller-save.c: Likewise. * cfg.c: Likewise. * cfgbuild.c: Likewise. * cfgcleanup.c: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * cfgloopanal.c: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraphclones.c: Likewise. * combine-stack-adj.c: Likewise. * combine.c: Likewise. * cprop.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * dojump.c: Likewise. * fwprop.c: Likewise. * gcse.c: Likewise. * graph.c: Likewise. * haifa-sched.c: Likewise. * hw-doloop.c: Likewise. * ipa-inline-transform.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-reference.c: Likewise. * ipa-utils.c: Likewise. * ira-build.c: Likewise. * ira-emit.c: Likewise. * lcm.c: Likewise. * loop-doloop.c: Likewise. * loop-invariant.c: Likewise. * loop-iv.c: Likewise. * loop-unroll.c: Likewise. * loop-unswitch.c: Likewise. * lto-cgraph.c: Likewise. * lto-section-in.c: Likewise. * lto-streamer-in.c: Likewise. * mcf.c: Likewise. * mode-switching.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * profile.c: Likewise. * ree.c: Likewise. * reg-stack.c: Likewise. * regcprop.c: Likewise. * regmove.c: Likewise. * regstat.c: Likewise. * reload1.c: Likewise. * sched-ebb.c: Likewise. * sel-sched-dump.c: Likewise. * simplify-rtx.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * tracer.c: Likewise. * tree-affine.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-dfa.c: Likewise. * tree-into-ssa.c: Likewise. * tree-nomudflap.c: Likewise. * tree-optimize.c: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-tail-merge.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uncprop.c: Likewise. * tree-ssa-uninit.c: Likewise. * tree-ssa.c: Likewise. * value-prof.c: Likewise. * var-tracking.c: Likewise. * web.c: Likewise. * config/m32r/m32r.c: Include dbxout.h. * config/pa/pa.c: Likewise. * config/rs6000/rs6000.c: Likewise. * Makefile.in: Fix dependencies. * config/rs6000/t-rs5000: Likewise. c-family/ * c-ada-spec.c: Do not include output.h. * c-semantics.c: Likewise. cp/ * call.c: Do not include output.h. * class.c: Likewise. * except.c: Likewise. * friend.c: Likewise. * init.c: Likewise. * lex.c: Likewise. * method.c: Likewise. * parser.c: Likewise. * pt.c: Likewise. * rtti.c: Likewise. * search.c: Likewise. objc/ * objc-act.c: Do not include output.h. fortran/ * trans-common.c: Do not include output.h. * trans-decl.c: Likewise. java/ * resource.c: Do not include output.h. From-SVN: r188082
2012-05-31ira.h (target_ira): Delete x_ira_available_class_regs.Richard Sandiford1-2/+2
gcc/ * ira.h (target_ira): Delete x_ira_available_class_regs. (ira_available_class_regs): Delete. * ira.c (setup_available_class_regs): Delete. (setup_alloc_classes): Don't call it. (setup_pressure_classes): Use ira_class_hard_regs_num instead of ira_available_class_regs. * haifa-sched.c (print_curr_reg_pressure, setup_insn_reg_pressure_info) (model_spill_cost): Likewise. * ira-build.c (low_pressure_loop_node_p): Likewise. * ira-color.c (color_pass): Likewise. * ira-emit.c (change_loop): Likewise. * ira-lives.c (inc_register_pressure, dec_register_pressure) (single_reg_class, ira_implicitly_set_insn_hard_regs) (process_bb_node_lives): Likewise. * loop-invariant.c (gain_for_invariant): Likewise. From-SVN: r188041
2012-05-14attribs.c (decl_attributes): Avoid emitting a warning if ATTR_FLAG_BUILT_IN.Bernd Schmidt1-0/+10
* attribs.c (decl_attributes): Avoid emitting a warning if ATTR_FLAG_BUILT_IN. * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE. * c-family/c-common.c (DEF_ATTR_STRING): Define and undefine as necessary. * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to define a string "1". (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition. * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET, BUILT_IN_STRCPY): Use it for these functions. * postreload.c (reload_combine): Deal with SETs inside CALL_INSN_FUNCTION_USAGE. * caller-save.c (setup_save_areas, save_call_clobbered_regs): Look for REG_RETURNED notes and use a cheap restore if possible. * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num. (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro. * ira-build.c (ira_create_allocno, create_cap_allocno, propagate_allocno_info, propagate_some_info_from_allocno, copy_info_to_removed_store_destination, ira_flattening): Handle it. * ira-lives.c (pseudo_regno_single_word_and_live_p, find_call_crossed_cheap_reg): New static functions. (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE, and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make a REG_RETURNED note in that case. * ira.c (setup_reg_renumber): Change assert to allow cases where allocnos only cross calls for which they are cheap to restore. * ira-costs.c (ira_tune_allocno_costs): Compare ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather than 0. * reg-notes.def (REG_RETURNED): New note. * cse.c (cse_insn): Likewise. * sched-deps.c (sched_analyze_insn): Likewise. * expr.c (init_block_move_fn): Set a "fn spec" attribute. * calls.c (decl_return_flags): New static function. (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for functions that return one of their arguments. * lto/lto-lang.c (handle_fnspec_attribute): New static function. (lto_attribute_table): Add "fn spec". (DEF_ATTR_STRING): Define and undefine along with the other macros. * regcprop.c (struct kill_set_value_data): New. (kill_set_value): Interpret data as a pointer to such a struct. Do nothing if the caller wants the register to be ignored. (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE. testsuite/ * gcc.target/i386/retarg.c: New test. From-SVN: r187459
2012-01-19re PR rtl-optimization/40761 (IRA memory hog for insanely nested loops)Vladimir Makarov1-67/+95
2012-01-19 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/40761 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop. Add new member loop_num. (IRA_LOOP_NODE_BY_INDEX): Modify the check. (ira_build): Remove the parameter. * ira.c (ira_print_disposition): Use loop_num instead of loop->num. (ira.c): Do not build CFG loops for one region allocation. Remove argument from ira_build call. * ira-build.c (init_loop_tree_node): New function. (create_loop_tree_nodes): Use it. Separate the case when CFG loops are not built. (more_one_region_p): Check current_loops. (finish_loop_tree_nodes): Separate the case when CFG loops are not built. (add_loop_to_tree): Process loop equal to NULL too. (form_loop_tree): Separate the case when CFG loops are not built. Use explicitly number for the root. (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add an assertion. (ira_print_expanded_allocno, loop_compare_func): Use loop_num instead of loop->num. (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num. (mark_all_loops_for_removal): Ditto. (remove_unnecessary_regions): Separate the case when CFG loops are not built. (ira_build): Remove the parameter. Use explicit number of regions when CFG loops are not built. * ira-color.c (print_loop_title): Separate the case for the root node. Use loop_num instead of loop->num. (move_spill_restore): Use loop_num instead of loop->num. * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion. (change_loop): Ditto. (change_loop): Use loop_num instead of loop->num. * ira-lives.c (process_bb_node_lives): Ditto. * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto. * ira-conflicts.c (print_allocno_conflicts): Ditto. From-SVN: r183312
2011-12-05re PR other/50775 (Register allocator sets up frame and frame pointer with ↵Vladimir Makarov1-1/+0
low register pressure) 2011-12-05 Vladimir Makarov <vmakarov@redhat.com> PR other/50775 * ira-int.h (struct ira_object): Remove add_data. (OBJECT_ADD_DATA): Remove. * ira-build.c (ira_create_object): Remove OBJECT_ADD_DATA initialization. * ira-color.c (object_hard_regs_t, object_hard_regs): Rename to allocno_hard_regs_t, allocno_hard_regs. (object_hard_regs_node_t, object_hard_regs_node): Rename to allocno_hard_regs_node_t and allocno_hard_regs_node. (struct allocno_color_data): Add new member last_process. Move profitable_hard_regs, hard_regs_node, and hard_regs_subnodes_start from object_color_data. (object_color_data_t, object_color_data, OBJECT_COLOR_DATA): Remove. (curr_allocno_process): New static variable. (object_hard_regs_eq, object_hard_regs_htab): Rename to allocno_hard_regs_eq and allocno_hard_regs_htab. (init_object_hard_regs, finish_object_hard_regs): Rename to init_allocno_hard_regs and finish_allocno_hard_regs. (object_hard_regs_compare, object_hard_regs_node_t): Rename to allocno_hard_regs_compare and allocno_hard_regs_node_t. (create_new_object_hard_regs_node): Rename to create_new_allocno_hard_regs_node. (add_new_object_hard_regs_node_to_forest): Rename to add_new_allocno_hard_regs_node_to_forest. (add_object_hard_regs_to_forest, collect_object_hard_regs_cover): Rename to add_allocno_hard_regs_to_forest and collect_allocno_hard_regs_cover. (setup_object_hard_regs_nodes_parent): Rename to setup_allocno_hard_regs_nodes_parent. (remove_unused_object_hard_regs_nodes): Rename to remove_unused_allocno_hard_regs_nodes. (enumerate_object_hard_regs_nodes, object_hard_regs_nodes_num): Rename to enumerate_allocno_hard_regs_nodes and allocno_hard_regs_nodes_num. (object_hard_regs_nodes, object_hard_regs_subnode_t): Rename to allocno_hard_regs_nodes and allocno_hard_regs_subnode_t. (object_hard_regs_subnode, object_hard_regs_subnodes): Rename to allocno_hard_regs_subnode and allocno_hard_regs_subnodes. (object_hard_regs_subnode_index): Rename to allocno_hard_regs_subnode_index. (setup_object_hard_regs_subnode_index): Rename to setup_allocno_hard_regs_subnode_index. (get_object_hard_regs_subnodes_num): Rename to get_allocno_hard_regs_subnodes_num. (form_object_hard_regs_nodes_forest): Rename to form_allocno_hard_regs_nodes_forest. (finish_object_hard_regs_nodes_tree): Rename to form_allocno_hard_regs_nodes_forest (finish_object_hard_regs_nodes_forest): Rename to finish_allocno_hard_regs_nodes_forest. (setup_left_conflict_sizes_p): Use allocno data instead of object ones. Process conflict allocnos once. (update_left_conflict_sizes_p): Use allocno data instead of object ones. Change prototype signature. (empty_profitable_hard_regs): Use allocno data instead of object ones. (setup_profitable_hard_regs): Ditto. (get_conflict_profitable_regs): Rename to get_conflict_and_start_profitable_regs. Use allocno data for profitable regs calculation. (check_hard_reg_p): Change prototype signature. Check profitable regs for allocno not the objects. (assign_hard_reg): Process conflict allocnos only once for updating conflict costs. (setup_allocno_available_regs_num): Use allocno data instead of object ones. Modify debug output. (color_pass): Remove initialization and finalization of object color data. From-SVN: r182015
2011-05-25re PR rtl-optimization/48757 (internal compiler error: in compensate_edge, ↵Vladimir Makarov1-4/+11
at reg-stack.c:2788) 2011-05-24 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/48757 * ira-build.c (loop_with_eh_edge_p): Rename to loop_with_complex_edge_p, check edges on complexity, make function conditional. (mark_loops_for_removal): Make call of loop_with_complex_edge_p conditional. 2011-05-24 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/48757 * gfortran.dg/pr48757.f: New test case. From-SVN: r174165
2011-05-24[multiple changes]Vladimir Makarov1-4/+28
2011-05-24 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/48633 * ira-build.c (loop_with_eh_edge_p): New function. (mark_loops_for_removal): Use it. 2011-05-24 Michael Matz <matz@gcc.gnu.org> PR rtl-optimization/48633 * g++.dg/pr48633.C: New test. From-SVN: r174124
2011-05-01reginfo.c (memory_move_cost): Change rclass argument type form 'enum ↵Anatoly Sokolov1-9/+10
reg_class' to reg_class_t. * reginfo.c (memory_move_cost): Change rclass argument type form 'enum reg_class' to reg_class_t. * reload.h (memory_move_cost): Update prototype. * postreload.c reload_cse_simplify_set): Change type dclass var to reg_class_t. * ira-int.h (ira_allocate_cost_vector, ira_free_cost_vector): Update prototype. (ira_allocate_and_set_costs): Change aclass argument type form 'enum reg_class' to reg_class_t. * ira-build.c (ira_allocate_cost_vector, ira_free_cost_vector): Change aclass argument type to reg_class_t. (update_conflict_hard_reg_costs): Change type aclass and pref vars to reg_class_t. * gcc/ira.c (setup_class_subset_and_memory_move_costs): Adjust memory_move_cost call. * config/ia64/ia64.c (ia64_register_move_cost): Remove 'from' and 'to' local var. Rename from_i and to_i arguments to 'from' and 'to'. Change type tmp var to reg_class_t. From-SVN: r173232
2011-03-29[multiple changes]Vladimir Makarov1-161/+188
2011-03-28 Vladimir Makarov <vmakarov@redhat.com> * ira-color.c (update_left_conflict_sizes_p): Don't assume that conflict object hard regset nodes have intersecting hard reg sets. * regmove.c (regmove_optimize): Move ira_set_pseudo_classes call after regstat_init_n_sets_and_refs. * ira.c: Add more comments at the top. (setup_stack_reg_pressure_class, setup_pressure_classes): Add comments how we compute the register pressure classes. (setup_allocno_and_important_classes): Add more comments. (setup_class_translate_array, reorder_important_classes) (setup_reg_class_relations): Add comments. * ira-emit.c: Add 2011 to the Copyright line. Add comments at the start of the file. * ira-color.c: Add 2011 to the Copyright line. (assign_hard_reg): Add more comments. (improve_allocation): Ditto. * ira-costs.c: Add 2011 to the Copyright line. (setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more comments. (setup_regno_cost_classes_by_mode): Ditto. Initial patches from ira-improv branch: 2010-08-13 Vladimir Makarov <vmakarov@redhat.com> * ira-build.c: (ira_create_object): Remove initialization of OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA. (ira_create_allocno): Remove initialization of ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P, ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO, ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO. Initialize ALLOCNO_ADD_DATA. (copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and ALLOCNO_REG. (ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P. * ira.c (ira_reallocate): Remove. (setup_pressure_classes): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. (setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA. (ira): Call ira_initiate_emit_data and ira_finish_emit_data. * ira-color.c: Use ALLOCNO_COLOR_DATA instead of ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM. Fix formatting. (object_hard_regs_t, object_hard_regs_node_t): Move from ira-int.h. (struct object_hard_regs, struct object_hard_regs_node): Ditto. (struct allocno_color_data): New. (allocno_color_data_t): New typedef. (allocno_color_data): New definition. (ALLOCNO_COLOR_DATA): New macro. (struct object_color_data): New. (object_color_data_t): New typedef. (object_color_data): New definition. (OBJECT_COLOR_DATA): New macro. (update_copy_costs, calculate_allocno_spill_cost): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. (move_spill_restore, update_curr_costs): Ditto. (allocno_spill_priority): Make it inline. (color_pass): Allocate and free allocno_color_dat and object_color_data. (struct coalesce_data, coalesce_data_t): New. (allocno_coalesce_data): New definition. (ALLOCNO_COALESCE_DATA): New macro. (merge_allocnos, coalesced_allocno_conflict_p): Use ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP. (coalesce_allocnos): Ditto. (setup_coalesced_allocno_costs_and_nums): Ditto. (collect_spilled_coalesced_allocnos): Ditto. (slot_coalesced_allocno_live_ranges_intersect_p): Ditto. (setup_slot_coalesced_allocno_live_ranges): Ditto. (coalesce_spill_slots): Ditto. (ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and free allocno_coalesce_data. * ira-conflicts.c: Fix formatting. (process_regs_for_copy): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. (build_object_conflicts): Optimize. * ira-costs.c (record_reg_classes): Optimize. Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost, ira_may_move_in_cost, and ira_may_move_out_cost instead of ira_get_register_move_cost and ira_get_may_move_cost. (record_address_regs): Ditto. (scan_one_insn): Optimize. (find_costs_and_classes): Optimize. (process_bb_node_for_hard_reg_moves): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. * ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P. (ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New definitions. (ira_initiate_emit_data, ira_finish_emit_data) (create_new_allocno): New functions. (modify_move_list): Call create_new_alloc instead of ira_create_allocno. (emit_move_list): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. * ira-int.h: Fix some comments. (object_hard_regs_t, object_hard_regs_node_t): Move to ira-color.c. (struct object_hard_regs, struct object_hard_regs_node): Ditto. (struct ira_object): Remove profitable_hard_regs, hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member add_data. (struct ira_allocno): Make mode and aclass a bitfield. Move other bitfield after mode. Make hard_regno a short int. Make hard_regno short. Remove first_coalesced_allocno and next_coalesced_allocno. Move mem_optimized_dest_p, somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p, available_regs_num, next_bucket_allocno, prev_bucket_allocno, temp, colorable_p. Add new member add_data. (ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove. (ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove. (ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove. (ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove. (ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove. (ALLOCNO_ADD_DATA): New macro. (ira_emit_data_t): New typedef. (struct ira_emit_data): New. Move mem_optimized_dest_p, somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest from struct ira_allocno. (ALLOCNO_EMIT_DATA): New macro. (ira_allocno_emit_data, allocno_emit_reg): New. (ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove. (OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM): Remove. (OBJECT_ADD_DATA): New macro. (ira_reallocate): Remove. (ira_initiate_emit_data, ira_finish_emit_data): New. (ira_get_register_move_cost, ira_get_may_move_cost): Remove. (ira_init_register_move_cost_if_necessary): New. (ira_object_conflict_iter_next): Merge into ira_object_conflict_iter_cond. (FOR_EACH_OBJECT_CONFLICT): Don't use ira_object_conflict_iter_next. * ira-live.c: (process_single_reg_class_operands): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. 2010-08-13 Vladimir Makarov <vmakarov@redhat.com> * ira-int.h (struct target_ira_int): Remove x_cost_classes. * ira-costs.c: Fix formatting. (cost_classes, cost_classes_num): Remove. (struct cost_classes, cost_classes_t, const_cost_classes_t): New. (regno_cost_classes, cost_classes_hash, cost_classes_eq): New. (cost_classes_del, cost_classes_htab): New. (cost_classes_aclass_cache, cost_classes_mode_cache): New. (initiate_regno_cost_classes, setup_cost_classes): New. (setup_regno_cost_classes_by_aclass): New. (setup_regno_cost_classes_by_mode, finish_regno_cost_classes): New. (record_reg_classes): Use regno_cost_classes instead of cost_classes. Move checking opposite operand up. (record_address_regs): Use regno_cost_classes instead of cost_classes. (scan_one_insn): Ditto. Use always general register. (print_allocno_costs): Use regno_cost_classes instead of cost_classes. (print_pseudo_costs): Ditto. Use Reg_N_REFS. (find_costs_and_classes): Set up cost classes for each registers. Use also their mode for this. Use regno_cost_classes instead of cost_classes. (setup_allocno_class_and_costs): Use regno_cost_classes instead of cost_classes. (free_ira_costs, ira_init_costs): Don't use cost_classes. (ira_costs, ira_set_pseudo_classes): Call initiate_regno_cost_classes and finish_regno_cost_classes. 2010-10-04 Vladimir Makarov <vmakarov@redhat.com> * target-def.h (TARGET_IRA_COVER_CLASSES): Remove. * target.def (ira_cover_classes): Remove. * doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and IRA_COVER_CLASSES. * doc/tm.texi.in: Ditto. * ira-conflicts.c: Remove mentioning cover classes from the file. Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix formatting. * targhooks.c (default_ira_cover_classes): Remove. * targhooks.h (default_ira_cover_classes): Ditto. * haifa-sched.c: Remove mentioning cover classes from the file. Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use ira_pressure_classes and ira_pressure_classes_num instead of ira_reg_class_cover_size and ira_reg_class_cover. Use sched_regno_pressure_class instead of sched_regno_cover_class. (mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use ira_reg_class_max_nregs instead of ira_reg_class_nregs. * ira-int.h: Add 2010 to Copyright. Remove mentioning cover classes from the file. (object_hard_regs_t, object_hard_regs_node_t): New typedefs. (struct object_hard_regs, struct object_hard_regs_node): New. (struct ira_object): New members profitable_hard_regs, hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num. (struct ira_allocno): Rename cover_class to aclass. Rename cover_class_cost and updated_cover_class_cost to class_cost and updated_class_cost. Remove splay_removed_p and left_conflict_size. Add new members colorable_p. (ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove. (ALLOCNO_COLORABLE_P): New macro. (ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS. (ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST): Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST. (OBJECT_...): Rename parameter C to O. (OBJECT_PROFITABLE_HARD_REGS): New macro. (OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START) (OBJECT_HARD_REGS_SUBNODES_NUM): New macros. (struct target_ira_int): New members x_ira_max_memory_move_cost, x_ira_max_register_move_cost, x_ira_max_may_move_in_cost, x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p, x_ira_reg_pressure_class_p, x_ira_important_class_nums, x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to x_ira_reg_class_subunion. (ira_max_memory_move_cost, ira_max_register_move_cost) (ira_max_may_move_in_cost, ira_max_may_move_out_cost) (ira_reg_allocno_class_p, ira_reg_pressure_class_p) (ira_important_class_nums, ira_reg_class_superunion): New macros. (prohibited_class_mode_regs): Rename to ira_prohibited_class_mode_regs. (ira_reg_class_union): Rename to ira_reg_class_subunion. (ira_debug_class_cover): Rename to ira_debug_allocno_classes. (ira_set_allocno_cover_class): Rename to ira_set_allocno_class. (ira_tune_allocno_costs_and_cover_classes): Rename to ira_tune_allocno_costs. (ira_debug_hard_regs_forest): New. (ira_object_conflict_iter_init, ira_object_conflict_iter_cond) (ira_object_conflict_iter_next): Fix comments. (ira_hard_reg_set_intersection_p, hard_reg_set_size): New functions. (ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename cover_class to aclass. (ira_allocate_and_accumulate_costs): Ditto. (ira_allocate_and_set_or_copy_costs): Ditto. * opts.c (decode_options): Remove ira_cover_class check. * ira-color.c: Remove mentioning cover classes from the file. Use ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting. (splay-tree.h): Remove include. (allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move before copy_freq_compare_func. (allocnos_for_spilling, removed_splay_allocno_vec): Remove. (object_hard_regs_vec, object_hard_regs_htab, node_check_tick): New definitions. (hard_regs_roots, hard_regs_node_vec): Ditto. (object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto. (insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto. (finish_object_hard_regs, object_hard_regs_compare): Ditto. (create_new_object_hard_regs_node): Ditto. (add_new_object_hard_regs_node_to_forest): Ditto. (add_object_hard_regs_to_forest, collect_object_hard_regs_cover): Ditto. (setup_object_hard_regs_nodes_parent, first_common_ancestor_node): Ditto. (print_hard_reg_set, print_hard_regs_subforest): Ditto. (print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto. (remove_unused_object_hard_regs_nodes): Ditto. (enumerate_object_hard_regs_nodes): Ditto. (object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto. (object_hard_regs_subnode_t): Ditto. (struct object_hard_regs_subnode): Ditto. (object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto. (setup_object_hard_regs_subnode_index): Ditto. (get_object_hard_regs_subnodes_num): Ditto. (form_object_hard_regs_nodes_forest): Ditto. (finish_object_hard_regs_nodes_tree): Ditto. (finish_object_hard_regs_nodes_forest): Ditto. (allocnos_have_intersected_live_ranges_p): Rename to allocnos_conflict_by_live_ranges_p. Move before copy_freq_compare_func. (pseudos_have_intersected_live_ranges_p): Rename to conflict_by_live_ranges_p. Move before copy_freq_compare_func. (setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto. (empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto. (update_copy_costs): Remove assert. Skip cost update if the hard reg does not belong the class. (assign_hard_reg): Process only profitable hard regs. (uncolorable_allocnos_num): Make it scalar. (allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE and ira_reg_class_max_nregs. (bucket_allocno_compare_func): Check frequency first. (sort_bucket): Add compare function as a parameter. (add_allocno_to_ordered_bucket): Assume no coalesced allocnos. (uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove. (push_allocno_to_stack): Rewrite for checking new allocno colorability. (remove_allocno_from_bucket_and_push): Print cost too. Remove assert. (push_only_colorable): Pass new parameter to sort_bucket. (push_allocno_to_spill): Remove. (allocno_spill_priority_compare): Make it inline and rewrite. (splay_tree_allocate, splay_tree_free): Remove. (allocno_spill_sort_compare): New function. (push_allocnos_to_stack): Sort allocnos for spilling once. Don't build and use splay tree. Choose first allocno in uncolorable allocno bucket to spill. Remove setting spill cost. (all_conflicting_hard_regs): Remove. (setup_allocno_available_regs_num): Check only profitable hard regs. Print info about hard regs nodes. (setup_allocno_left_conflicts_size): Remove. (put_allocno_into_bucket): Don't call setup_allocno_left_conflicts_size. Use setup_left_conflict_sizes_p. (improve_allocation): New. (color_allocnos): Call setup_profitable_hard_regs, form_object_hard_regs_nodes_forest, improve_allocation, finish_object_hard_regs_nodes_forest. Setup spill cost. (print_loop_title): Use pressure classes. (color_allocnso): Ditto. (do_coloring): Remove allocation and freeing splay_tree_node_pool and allocnos_for_spilling. (ira_sort_regnos_for_alter_reg): Don't setup members {first,next}_coalesced_allocno. (color): Remove allocating and freeing removed_splay_allocno_vec. (fast_allocation): Use ira_prohibited_class_mode_regs instead of prohibited_class_mode_regs. * ira-lives.c: Remove mentioning cover classes from the file. Fix formatting. (update_allocno_pressure_excess_length): Use pressure classes. (inc_register_pressure, dec_register_pressure): Check for pressure class. (mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use pressure class. Use ira_reg_class_nregs instead of ira_reg_class_max_nregs. (mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto. (mark_hard_reg_live, mark_hard_reg_dead): Use pressure class. (single_reg_class): Use ira_reg_class_nregs instead of ira_reg_class_max_nregs. (process_bb_node_lives): Use pressure classes. * ira-emit.c: Remove mentioning cover classes from the file. Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting. (change_loop): Use pressure classes. (modify_move_list): Call ira_set_allocno_class instead of ira_set_allocno_cover_class. * ira-build.c: Remove mentioning cover classes from the file. Use ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use ALLOCNO_UPDATED_CLASS_COST instead of ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting. (ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS. (ira_create_allocno): Remove initialization of ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize ALLOCNO_COLORABLE_P. (ira_set_allocno_cover_class): Rename to ira_set_allocno_class. Update conflict regs for the objects. (create_cap_allocno): Remove assert. Don't propagate ALLOCNO_AVAILABLE_REGS_NUM. (ira_free_allocno_costs): New function. (finish_allocno): Change a part of code into call of ira_free_allocno_costs. (low_pressure_loop_node_p): Use pressure classes. (object_range_compare_func): Don't compare classes. (setup_min_max_conflict_allocno_ids): Ditto. * loop-invariant.c: Remove mentioning cover classes from the file. Use ira_pressure_classes and ira_pressure_classes_num instead of ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting. (get_cover_class_and_nregs): Rename to get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead of ira_reg_class_nregs. Use reg_allocno_class instead of reg_cover_class. (get_inv_cost): Use instead ira_stack_reg_pressure_class of STACK_REG_COVER_CLASS. (get_regno_cover_class): Rename to get_regno_pressure_class. (move_loop_invariants): Initialize and finalize regstat. * ira.c: Remove mentioning cover classes from the file. Add comments about coloring without cover classes. Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting. (alloc_reg_class_subclasses, setup_reg_subclasses): Move it before setup_class_subset_and_memory_move_costs. (setup_stack_reg_pressure_class, setup_pressure_classes): New. (setup_cover_and_important_classes): Rename to setup_allocno_and_important_classes. (setup_class_translate_array): New. (setup_class_translate): Call it for allocno and pressure classes. (cover_class_order): Rename to allocno_class_order. (comp_reg_classes_func): Use ira_allocno_class_translate instead of ira_class_translate. (reorder_important_classes): Set up ira_important_class_nums. (setup_reg_class_relations): Set up ira_reg_class_superunion. (print_class_cover): Rename to print_classes. Add parameter. (ira_debug_class_cover): Rename to ira_debug_allocno_classes. Print pressure classes too. (find_reg_class_closure): Rename to find_reg_classes. Don't call setup_reg_subclasses. (ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class. (ira_reg_class_nregs): Rename to ira_reg_class_max_nregs. (setup_prohibited_class_mode_regs): Use ira_prohibited_class_mode_regs instead of prohibited_class_mode_regs. (clarify_prohibited_class_mode_regs): New function. (ira_init_register_move_cost): Set up ira_max_register_move_cost, ira_max_may_move_in_cost, and ira_max_may_move_out_cost. (ira_init_once): Initialize them. (free_register_move_costs): Process them. (ira_init): Move calls of find_reg_classes and setup_hard_regno_aclass after setup_prohibited_class_mode_regs. Call clarify_prohibited_class_mode_regs. (ira_no_alloc_reg): Remove. (too_high_register_pressure_p): Use pressure classes. * sched-deps.c: Remove mentioning cover classes from the file. Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use ira_pressure_classes and ira_pressure_classes_num instead of ira_reg_class_cover_size and ira_reg_class_cover. (mark_insn_hard_regno_birth, mark_hard_regno_death): Use sched_regno_pressure_class instead of sched_regno_cover_class. (mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use ira_reg_class_max_nregs instead of ira_reg_class_nregs. * ira.h: Add 2010 to Copyright. (ira_no_alloc_reg): Remove external. (struct target_ira): Rename x_ira_hard_regno_cover_class, x_ira_reg_class_cover_size, x_ira_reg_class_cover, and x_ira_class_translate to x_ira_hard_regno_allocno_class, x_ira_allocno_classes_num, x_ira_allocno_classes, and x_ira_allocno_class_translate. Add x_ira_pressure_classes_num, x_ira_pressure_classes, x_ira_pressure_class_translate, and x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and x_ira_no_alloc_regs. (ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class. (ira_reg_class_cover_size, ira_reg_class_cover): Rename to ira_allocno_classes_num and ira_allocno_classes. (ira_class_translate): Rename to ira_allocno_class_translate. (ira_pressure_classes_num, ira_pressure_classes): New definitions. (ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto. (ira_reg_class_nregs): Rename to ira_reg_class_max_nregs. (ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New (ira_no_alloc_regs): New. * ira-costs.c: Add 2010 to Copyright. Remove mentioning cover classes from the file. Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of ALLOCNO_COVER_CLASS_COST. (regno_cover_class): Rename to regno_aclass. (record_reg_classes): Use ira_reg_class_subunion instead of ira_reg_class_union. (record_address_regs): Check overflow. (scan_one_insn): Ditto. (print_allocno_costs): Print total mem cost fore regional allocation. (print_pseudo_costs): Use REG_N_REFS. (find_costs_and_classes): Use classes intersected with them on the 1st pass. Check overflow. Use ira_reg_class_subunion instead of ira_reg_class_union. Use ira_allocno_class_translate and regno_aclass instead of ira_class_translate and regno_cover_class. Modify code for finding regno_aclass. Setup preferred classes for the next pass. (setup_allocno_cover_class_and_costs): Rename to setup_allocno_class_and_costs. Use regno_aclass instead of regno_cover_class. Use ira_set_allocno_class instead of ira_set_allocno_cover_class. (init_costs, finish_costs): Use regno_aclass instead of regno_cover_class. (ira_costs): Use setup_allocno_class_and_costs instead of setup_allocno_cover_class_and_costs. (ira_tune_allocno_costs_and_cover_classes): Rename to ira_tune_allocno_costs. Check overflow. Skip conflict hard regs by processing objects. Use ira_reg_class_max_nregs instead of ira_reg_class_nregs. * rtl.h (reg_cover_class): Rename to reg_allocno_class. * sched-int.h: Remove mentioning cover classes from the file. (sched_regno_cover_class): Rename to sched_regno_pressure_class. * reginfo.c: Add 2010 to Copyright. Remove mentioning cover classes from the file. (struct reg_pref): Rename coverclass into allocnoclass. (reg_cover_class): Rename to reg_allocno_class. * Makefile.in (ira-color.o): Remove SPLAY_TREE_H from dependencies. * config/alpha/alpha.h (IRA_COVER_CLASSES): Remove. * config/arm/arm.h (IRA_COVER_CLASSES): Ditto. * config/avr/avr.h (IRA_COVER_CLASSES): Ditto. * config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto. * config/cris/cris.h (IRA_COVER_CLASSES): Ditto. * config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto. * config/frv/frv.h (IRA_COVER_CLASSES): Ditto. * config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto. * config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto. * config/i386/i386.c (TARGET_IRA_COVER_CLASSES) (i386_ira_cover_classes): Ditto. * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto. * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto. * config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto. * config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto. * config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto. * config/mep/mep.h (IRA_COVER_CLASSES): Ditto. * config/mips/mips.c (TARGET_IRA_COVER_CLASSES) (mips_ira_cover_classes): Ditto. * config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto. * config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto. * config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto. * config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto. * config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto. * config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX) (IRA_COVER_CLASSES_VSX): Ditto. * config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES) (rs6000_ira_cover_classes): Ditto. * config/rx/rx.h (IRA_COVER_CLASSES): Ditto. * config/s390/s390.h (IRA_COVER_CLASSES): Ditto. * config/score/score.h (IRA_COVER_CLASSES): Ditto. * config/sh/sh.h (IRA_COVER_CLASSES): Ditto. * config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto. * config/spu/spu.h (IRA_COVER_CLASSES): Ditto. * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto. * config/v850/v850.h (IRA_COVER_CLASSES): Ditto. * config/vax/vax.h (IRA_COVER_CLASSES): Ditto. * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto. From-SVN: r171649
2011-03-28re PR bootstrap/48307 (Bootstrap failure)Vladimir Makarov1-188/+161
2011-03-27 Vladimir Makarov <vmakarov@redhat.com> PR bootstrap/48307 Revert the previous patch. From-SVN: r171589
2011-03-27[multiple changes]Vladimir Makarov1-161/+188
2011-03-27 Vladimir Makarov <vmakarov@redhat.com> * regmove.c (regmove_optimize): Move ira_set_pseudo_classes call after regstat_init_n_sets_and_refs. * ira.c: Add more comments at the top. (setup_stack_reg_pressure_class, setup_pressure_classes): Add comments how we compute the register pressure classes. (setup_allocno_and_important_classes): Add more comments. (setup_class_translate_array, reorder_important_classes) (setup_reg_class_relations): Add comments. * ira-emit.c: Add 2011 to the Copyright line. Add comments at the start of the file. * ira-color.c: Add 2011 to the Copyright line. (assign_hard_reg): Add more comments. (improve_allocation): Ditto. * ira-costs.c: Add 2011 to the Copyright line. (setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more comments. (setup_regno_cost_classes_by_mode): Ditto. Initial patches from ira-improv branch: 2010-08-13 Vladimir Makarov <vmakarov@redhat.com> * ira-build.c: (ira_create_object): Remove initialization of OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA. (ira_create_allocno): Remove initialization of ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P, ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO, ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO. Initialize ALLOCNO_ADD_DATA. (copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and ALLOCNO_REG. (ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P. * ira.c (ira_reallocate): Remove. (setup_pressure_classes): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. (setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA. (ira): Call ira_initiate_emit_data and ira_finish_emit_data. * ira-color.c: Use ALLOCNO_COLOR_DATA instead of ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM. Fix formatting. (object_hard_regs_t, object_hard_regs_node_t): Move from ira-int.h. (struct object_hard_regs, struct object_hard_regs_node): Ditto. (struct allocno_color_data): New. (allocno_color_data_t): New typedef. (allocno_color_data): New definition. (ALLOCNO_COLOR_DATA): New macro. (struct object_color_data): New. (object_color_data_t): New typedef. (object_color_data): New definition. (OBJECT_COLOR_DATA): New macro. (update_copy_costs, calculate_allocno_spill_cost): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. (move_spill_restore, update_curr_costs): Ditto. (allocno_spill_priority): Make it inline. (color_pass): Allocate and free allocno_color_dat and object_color_data. (struct coalesce_data, coalesce_data_t): New. (allocno_coalesce_data): New definition. (ALLOCNO_COALESCE_DATA): New macro. (merge_allocnos, coalesced_allocno_conflict_p): Use ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP. (coalesce_allocnos): Ditto. (setup_coalesced_allocno_costs_and_nums): Ditto. (collect_spilled_coalesced_allocnos): Ditto. (slot_coalesced_allocno_live_ranges_intersect_p): Ditto. (setup_slot_coalesced_allocno_live_ranges): Ditto. (coalesce_spill_slots): Ditto. (ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and free allocno_coalesce_data. * ira-conflicts.c: Fix formatting. (process_regs_for_copy): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. (build_object_conflicts): Optimize. * ira-costs.c (record_reg_classes): Optimize. Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost, ira_may_move_in_cost, and ira_may_move_out_cost instead of ira_get_register_move_cost and ira_get_may_move_cost. (record_address_regs): Ditto. (scan_one_insn): Optimize. (find_costs_and_classes): Optimize. (process_bb_node_for_hard_reg_moves): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. * ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P. (ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New definitions. (ira_initiate_emit_data, ira_finish_emit_data) (create_new_allocno): New functions. (modify_move_list): Call create_new_alloc instead of ira_create_allocno. (emit_move_list): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. * ira-int.h: Fix some comments. (object_hard_regs_t, object_hard_regs_node_t): Move to ira-color.c. (struct object_hard_regs, struct object_hard_regs_node): Ditto. (struct ira_object): Remove profitable_hard_regs, hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member add_data. (struct ira_allocno): Make mode and aclass a bitfield. Move other bitfield after mode. Make hard_regno a short int. Make hard_regno short. Remove first_coalesced_allocno and next_coalesced_allocno. Move mem_optimized_dest_p, somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p, available_regs_num, next_bucket_allocno, prev_bucket_allocno, temp, colorable_p. Add new member add_data. (ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove. (ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove. (ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove. (ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove. (ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove. (ALLOCNO_ADD_DATA): New macro. (ira_emit_data_t): New typedef. (struct ira_emit_data): New. Move mem_optimized_dest_p, somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest from struct ira_allocno. (ALLOCNO_EMIT_DATA): New macro. (ira_allocno_emit_data, allocno_emit_reg): New. (ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove. (OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM): Remove. (OBJECT_ADD_DATA): New macro. (ira_reallocate): Remove. (ira_initiate_emit_data, ira_finish_emit_data): New. (ira_get_register_move_cost, ira_get_may_move_cost): Remove. (ira_init_register_move_cost_if_necessary): New. (ira_object_conflict_iter_next): Merge into ira_object_conflict_iter_cond. (FOR_EACH_OBJECT_CONFLICT): Don't use ira_object_conflict_iter_next. * ira-live.c: (process_single_reg_class_operands): Call ira_init_register_move_cost_if_necessary. Use ira_register_move_cost instead of ira_get_register_move_cost. 2010-08-13 Vladimir Makarov <vmakarov@redhat.com> * ira-int.h (struct target_ira_int): Remove x_cost_classes. * ira-costs.c: Fix formatting. (cost_classes, cost_classes_num): Remove. (struct cost_classes, cost_classes_t, const_cost_classes_t): New. (regno_cost_classes, cost_classes_hash, cost_classes_eq): New. (cost_classes_del, cost_classes_htab): New. (cost_classes_aclass_cache, cost_classes_mode_cache): New. (initiate_regno_cost_classes, setup_cost_classes): New. (setup_regno_cost_classes_by_aclass): New. (setup_regno_cost_classes_by_mode, finish_regno_cost_classes): New. (record_reg_classes): Use regno_cost_classes instead of cost_classes. Move checking opposite operand up. (record_address_regs): Use regno_cost_classes instead of cost_classes. (scan_one_insn): Ditto. Use always general register. (print_allocno_costs): Use regno_cost_classes instead of cost_classes. (print_pseudo_costs): Ditto. Use Reg_N_REFS. (find_costs_and_classes): Set up cost classes for each registers. Use also their mode for this. Use regno_cost_classes instead of cost_classes. (setup_allocno_class_and_costs): Use regno_cost_classes instead of cost_classes. (free_ira_costs, ira_init_costs): Don't use cost_classes. (ira_costs, ira_set_pseudo_classes): Call initiate_regno_cost_classes and finish_regno_cost_classes. 2010-10-04 Vladimir Makarov <vmakarov@redhat.com> * target-def.h (TARGET_IRA_COVER_CLASSES): Remove. * target.def (ira_cover_classes): Remove. * doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and IRA_COVER_CLASSES. * doc/tm.texi.in: Ditto. * ira-conflicts.c: Remove mentioning cover classes from the file. Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix formatting. * targhooks.c (default_ira_cover_classes): Remove. * targhooks.h (default_ira_cover_classes): Ditto. * haifa-sched.c: Remove mentioning cover classes from the file. Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use ira_pressure_classes and ira_pressure_classes_num instead of ira_reg_class_cover_size and ira_reg_class_cover. Use sched_regno_pressure_class instead of sched_regno_cover_class. (mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use ira_reg_class_max_nregs instead of ira_reg_class_nregs. * ira-int.h: Add 2010 to Copyright. Remove mentioning cover classes from the file. (object_hard_regs_t, object_hard_regs_node_t): New typedefs. (struct object_hard_regs, struct object_hard_regs_node): New. (struct ira_object): New members profitable_hard_regs, hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num. (struct ira_allocno): Rename cover_class to aclass. Rename cover_class_cost and updated_cover_class_cost to class_cost and updated_class_cost. Remove splay_removed_p and left_conflict_size. Add new members colorable_p. (ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove. (ALLOCNO_COLORABLE_P): New macro. (ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS. (ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST): Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST. (OBJECT_...): Rename parameter C to O. (OBJECT_PROFITABLE_HARD_REGS): New macro. (OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START) (OBJECT_HARD_REGS_SUBNODES_NUM): New macros. (struct target_ira_int): New members x_ira_max_memory_move_cost, x_ira_max_register_move_cost, x_ira_max_may_move_in_cost, x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p, x_ira_reg_pressure_class_p, x_ira_important_class_nums, x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to x_ira_reg_class_subunion. (ira_max_memory_move_cost, ira_max_register_move_cost) (ira_max_may_move_in_cost, ira_max_may_move_out_cost) (ira_reg_allocno_class_p, ira_reg_pressure_class_p) (ira_important_class_nums, ira_reg_class_superunion): New macros. (prohibited_class_mode_regs): Rename to ira_prohibited_class_mode_regs. (ira_reg_class_union): Rename to ira_reg_class_subunion. (ira_debug_class_cover): Rename to ira_debug_allocno_classes. (ira_set_allocno_cover_class): Rename to ira_set_allocno_class. (ira_tune_allocno_costs_and_cover_classes): Rename to ira_tune_allocno_costs. (ira_debug_hard_regs_forest): New. (ira_object_conflict_iter_init, ira_object_conflict_iter_cond) (ira_object_conflict_iter_next): Fix comments. (ira_hard_reg_set_intersection_p, hard_reg_set_size): New functions. (ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename cover_class to aclass. (ira_allocate_and_accumulate_costs): Ditto. (ira_allocate_and_set_or_copy_costs): Ditto. * opts.c (decode_options): Remove ira_cover_class check. * ira-color.c: Remove mentioning cover classes from the file. Use ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting. (splay-tree.h): Remove include. (allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move before copy_freq_compare_func. (allocnos_for_spilling, removed_splay_allocno_vec): Remove. (object_hard_regs_vec, object_hard_regs_htab, node_check_tick): New definitions. (hard_regs_roots, hard_regs_node_vec): Ditto. (object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto. (insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto. (finish_object_hard_regs, object_hard_regs_compare): Ditto. (create_new_object_hard_regs_node): Ditto. (add_new_object_hard_regs_node_to_forest): Ditto. (add_object_hard_regs_to_forest, collect_object_hard_regs_cover): Ditto. (setup_object_hard_regs_nodes_parent, first_common_ancestor_node): Ditto. (print_hard_reg_set, print_hard_regs_subforest): Ditto. (print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto. (remove_unused_object_hard_regs_nodes): Ditto. (enumerate_object_hard_regs_nodes): Ditto. (object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto. (object_hard_regs_subnode_t): Ditto. (struct object_hard_regs_subnode): Ditto. (object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto. (setup_object_hard_regs_subnode_index): Ditto. (get_object_hard_regs_subnodes_num): Ditto. (form_object_hard_regs_nodes_forest): Ditto. (finish_object_hard_regs_nodes_tree): Ditto. (finish_object_hard_regs_nodes_forest): Ditto. (allocnos_have_intersected_live_ranges_p): Rename to allocnos_conflict_by_live_ranges_p. Move before copy_freq_compare_func. (pseudos_have_intersected_live_ranges_p): Rename to conflict_by_live_ranges_p. Move before copy_freq_compare_func. (setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto. (empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto. (update_copy_costs): Remove assert. Skip cost update if the hard reg does not belong the class. (assign_hard_reg): Process only profitable hard regs. (uncolorable_allocnos_num): Make it scalar. (allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE and ira_reg_class_max_nregs. (bucket_allocno_compare_func): Check frequency first. (sort_bucket): Add compare function as a parameter. (add_allocno_to_ordered_bucket): Assume no coalesced allocnos. (uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove. (push_allocno_to_stack): Rewrite for checking new allocno colorability. (remove_allocno_from_bucket_and_push): Print cost too. Remove assert. (push_only_colorable): Pass new parameter to sort_bucket. (push_allocno_to_spill): Remove. (allocno_spill_priority_compare): Make it inline and rewrite. (splay_tree_allocate, splay_tree_free): Remove. (allocno_spill_sort_compare): New function. (push_allocnos_to_stack): Sort allocnos for spilling once. Don't build and use splay tree. Choose first allocno in uncolorable allocno bucket to spill. Remove setting spill cost. (all_conflicting_hard_regs): Remove. (setup_allocno_available_regs_num): Check only profitable hard regs. Print info about hard regs nodes. (setup_allocno_left_conflicts_size): Remove. (put_allocno_into_bucket): Don't call setup_allocno_left_conflicts_size. Use setup_left_conflict_sizes_p. (improve_allocation): New. (color_allocnos): Call setup_profitable_hard_regs, form_object_hard_regs_nodes_forest, improve_allocation, finish_object_hard_regs_nodes_forest. Setup spill cost. (print_loop_title): Use pressure classes. (color_allocnso): Ditto. (do_coloring): Remove allocation and freeing splay_tree_node_pool and allocnos_for_spilling. (ira_sort_regnos_for_alter_reg): Don't setup members {first,next}_coalesced_allocno. (color): Remove allocating and freeing removed_splay_allocno_vec. (fast_allocation): Use ira_prohibited_class_mode_regs instead of prohibited_class_mode_regs. * ira-lives.c: Remove mentioning cover classes from the file. Fix formatting. (update_allocno_pressure_excess_length): Use pressure classes. (inc_register_pressure, dec_register_pressure): Check for pressure class. (mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use pressure class. Use ira_reg_class_nregs instead of ira_reg_class_max_nregs. (mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto. (mark_hard_reg_live, mark_hard_reg_dead): Use pressure class. (single_reg_class): Use ira_reg_class_nregs instead of ira_reg_class_max_nregs. (process_bb_node_lives): Use pressure classes. * ira-emit.c: Remove mentioning cover classes from the file. Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting. (change_loop): Use pressure classes. (modify_move_list): Call ira_set_allocno_class instead of ira_set_allocno_cover_class. * ira-build.c: Remove mentioning cover classes from the file. Use ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use ALLOCNO_UPDATED_CLASS_COST instead of ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting. (ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS. (ira_create_allocno): Remove initialization of ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize ALLOCNO_COLORABLE_P. (ira_set_allocno_cover_class): Rename to ira_set_allocno_class. Update conflict regs for the objects. (create_cap_allocno): Remove assert. Don't propagate ALLOCNO_AVAILABLE_REGS_NUM. (ira_free_allocno_costs): New function. (finish_allocno): Change a part of code into call of ira_free_allocno_costs. (low_pressure_loop_node_p): Use pressure classes. (object_range_compare_func): Don't compare classes. (setup_min_max_conflict_allocno_ids): Ditto. * loop-invariant.c: Remove mentioning cover classes from the file. Use ira_pressure_classes and ira_pressure_classes_num instead of ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting. (get_cover_class_and_nregs): Rename to get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead of ira_reg_class_nregs. Use reg_allocno_class instead of reg_cover_class. (get_inv_cost): Use instead ira_stack_reg_pressure_class of STACK_REG_COVER_CLASS. (get_regno_cover_class): Rename to get_regno_pressure_class. (move_loop_invariants): Initialize and finalize regstat. * ira.c: Remove mentioning cover classes from the file. Add comments about coloring without cover classes. Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting. (alloc_reg_class_subclasses, setup_reg_subclasses): Move it before setup_class_subset_and_memory_move_costs. (setup_stack_reg_pressure_class, setup_pressure_classes): New. (setup_cover_and_important_classes): Rename to setup_allocno_and_important_classes. (setup_class_translate_array): New. (setup_class_translate): Call it for allocno and pressure classes. (cover_class_order): Rename to allocno_class_order. (comp_reg_classes_func): Use ira_allocno_class_translate instead of ira_class_translate. (reorder_important_classes): Set up ira_important_class_nums. (setup_reg_class_relations): Set up ira_reg_class_superunion. (print_class_cover): Rename to print_classes. Add parameter. (ira_debug_class_cover): Rename to ira_debug_allocno_classes. Print pressure classes too. (find_reg_class_closure): Rename to find_reg_classes. Don't call setup_reg_subclasses. (ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class. (ira_reg_class_nregs): Rename to ira_reg_class_max_nregs. (setup_prohibited_class_mode_regs): Use ira_prohibited_class_mode_regs instead of prohibited_class_mode_regs. (clarify_prohibited_class_mode_regs): New function. (ira_init_register_move_cost): Set up ira_max_register_move_cost, ira_max_may_move_in_cost, and ira_max_may_move_out_cost. (ira_init_once): Initialize them. (free_register_move_costs): Process them. (ira_init): Move calls of find_reg_classes and setup_hard_regno_aclass after setup_prohibited_class_mode_regs. Call clarify_prohibited_class_mode_regs. (ira_no_alloc_reg): Remove. (too_high_register_pressure_p): Use pressure classes. * sched-deps.c: Remove mentioning cover classes from the file. Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use ira_pressure_classes and ira_pressure_classes_num instead of ira_reg_class_cover_size and ira_reg_class_cover. (mark_insn_hard_regno_birth, mark_hard_regno_death): Use sched_regno_pressure_class instead of sched_regno_cover_class. (mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use ira_reg_class_max_nregs instead of ira_reg_class_nregs. * ira.h: Add 2010 to Copyright. (ira_no_alloc_reg): Remove external. (struct target_ira): Rename x_ira_hard_regno_cover_class, x_ira_reg_class_cover_size, x_ira_reg_class_cover, and x_ira_class_translate to x_ira_hard_regno_allocno_class, x_ira_allocno_classes_num, x_ira_allocno_classes, and x_ira_allocno_class_translate. Add x_ira_pressure_classes_num, x_ira_pressure_classes, x_ira_pressure_class_translate, and x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and x_ira_no_alloc_regs. (ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class. (ira_reg_class_cover_size, ira_reg_class_cover): Rename to ira_allocno_classes_num and ira_allocno_classes. (ira_class_translate): Rename to ira_allocno_class_translate. (ira_pressure_classes_num, ira_pressure_classes): New definitions. (ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto. (ira_reg_class_nregs): Rename to ira_reg_class_max_nregs. (ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New (ira_no_alloc_regs): New. * ira-costs.c: Add 2010 to Copyright. Remove mentioning cover classes from the file. Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of ALLOCNO_COVER_CLASS_COST. (regno_cover_class): Rename to regno_aclass. (record_reg_classes): Use ira_reg_class_subunion instead of ira_reg_class_union. (record_address_regs): Check overflow. (scan_one_insn): Ditto. (print_allocno_costs): Print total mem cost fore regional allocation. (print_pseudo_costs): Use REG_N_REFS. (find_costs_and_classes): Use classes intersected with them on the 1st pass. Check overflow. Use ira_reg_class_subunion instead of ira_reg_class_union. Use ira_allocno_class_translate and regno_aclass instead of ira_class_translate and regno_cover_class. Modify code for finding regno_aclass. Setup preferred classes for the next pass. (setup_allocno_cover_class_and_costs): Rename to setup_allocno_class_and_costs. Use regno_aclass instead of regno_cover_class. Use ira_set_allocno_class instead of ira_set_allocno_cover_class. (init_costs, finish_costs): Use regno_aclass instead of regno_cover_class. (ira_costs): Use setup_allocno_class_and_costs instead of setup_allocno_cover_class_and_costs. (ira_tune_allocno_costs_and_cover_classes): Rename to ira_tune_allocno_costs. Check overflow. Skip conflict hard regs by processing objects. Use ira_reg_class_max_nregs instead of ira_reg_class_nregs. * rtl.h (reg_cover_class): Rename to reg_allocno_class. * sched-int.h: Remove mentioning cover classes from the file. (sched_regno_cover_class): Rename to sched_regno_pressure_class. * reginfo.c: Add 2010 to Copyright. Remove mentioning cover classes from the file. (struct reg_pref): Rename coverclass into allocnoclass. (reg_cover_class): Rename to reg_allocno_class. * Makefile.in (ira-color.o): Remove SPLAY_TREE_H from dependencies. * config/alpha/alpha.h (IRA_COVER_CLASSES): Remove. * config/arm/arm.h (IRA_COVER_CLASSES): Ditto. * config/avr/avr.h (IRA_COVER_CLASSES): Ditto. * config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto. * config/cris/cris.h (IRA_COVER_CLASSES): Ditto. * config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto. * config/frv/frv.h (IRA_COVER_CLASSES): Ditto. * config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto. * config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto. * config/i386/i386.c (TARGET_IRA_COVER_CLASSES) (i386_ira_cover_classes): Ditto. * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto. * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto. * config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto. * config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto. * config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto. * config/mep/mep.h (IRA_COVER_CLASSES): Ditto. * config/mips/mips.c (TARGET_IRA_COVER_CLASSES) (mips_ira_cover_classes): Ditto. * config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto. * config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto. * config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto. * config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto. * config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto. * config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX) (IRA_COVER_CLASSES_VSX): Ditto. * config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES) (rs6000_ira_cover_classes): Ditto. * config/rx/rx.h (IRA_COVER_CLASSES): Ditto. * config/s390/s390.h (IRA_COVER_CLASSES): Ditto. * config/score/score.h (IRA_COVER_CLASSES): Ditto. * config/sh/sh.h (IRA_COVER_CLASSES): Ditto. * config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto. * config/spu/spu.h (IRA_COVER_CLASSES): Ditto. * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto. * config/v850/v850.h (IRA_COVER_CLASSES): Ditto. * config/vax/vax.h (IRA_COVER_CLASSES): Ditto. * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto. From-SVN: r171583
2010-11-30diagnostic-core.h: Include bversion.h.Joseph Myers1-1/+0
* diagnostic-core.h: Include bversion.h. * toplev.h: Don't include input.h or bversion.h. (parse_optimize_options): Don't declare here. * alias.c, auto-inc-dec.c, c-aux-info.c, c-convert.c, c-parser.c, caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c, combine-stack-adj.c, config/arm/pe.c, config/darwin-c.c, config/host-darwin.c, config/i386/host-cygwin.c, config/i386/host-mingw32.c, config/i386/msformat-c.c, config/i386/netware.c, config/i386/nwld.c, config/i386/winnt-cxx.c, config/i386/winnt-stubs.c, config/ia64/ia64-c.c, config/m32c/m32c-pragma.c, config/mep/mep-pragma.c, config/microblaze/microblaze-c.c, config/rs6000/host-darwin.c, config/rs6000/rs6000-c.c, config/score/score3.c, config/score/score7.c, config/sh/symbian-base.c, config/sh/symbian-c.c, config/sh/symbian-cxx.c, config/sol2-c.c, config/sol2.c, config/v850/v850-c.c, config/vxworks.c, convert.c, cppbuiltin.c, cselib.c, dbgcnt.c, ddg.c, dfp.c, dominance.c, emit-rtl.c, fixed-value.c, fwprop.c, ggc-common.c, gimple.c, gimplify.c, graphite-blocking.c, graphite-clast-to-gimple.c, graphite-dependences.c, graphite-flattening.c, graphite-interchange.c, graphite-poly.c, graphite-scop-detection.c, graphite.c, haifa-sched.c, implicit-zee.c, integrate.c, ipa-pure-const.c, ipa-reference.c, ira-build.c, ira-conflicts.c, ira-costs.c, ira-lives.c, jump.c, lists.c, loop-doloop.c, loop-iv.c, lto-cgraph.c, lto-compress.c, lto-opts.c, lto-section-in.c, lto-section-out.c, lto-streamer-out.c, lto-symtab.c, modulo-sched.c, optabs.c, params.c, postreload-gcse.c, postreload.c, predict.c, profile.c, regcprop.c, reginfo.c, regmove.c, reorg.c, resource.c, sched-deps.c, sched-ebb.c, sched-rgn.c, sdbout.c, sel-sched-dump.c, sel-sched-ir.c, sese.c, stmt.c, targhooks.c, tree-cfgcleanup.c, tree-mudflap.c, tree-nomudflap.c, tree-object-size.c, tree-outof-ssa.c, tree-phinodes.c, tree-profile.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-loop-prefetch.c, tree-ssa-loop.c, tree-ssa-operands.c, tree-ssa-structalias.c, tree-ssa-uninit.c, tree-vect-patterns.c, value-prof.c, var-tracking.c, web.c: Don't include toplev.h. * Makefile.in (TOPLEV_H): Remove. All uses changed to use toplev.h. Dependencies for above files and c-family files changed to remove $(TOPLEV_H) or toplev.h. (C_TREE_H): Don't include $(TOPLEV_H). (DIAGNOSTIC_CORE_H): Use $(INPUT_H) instead of input.h. Add bversion.h. * config/arm/t-pe, config/arm/t-wince-pe, config/i386/t-cygming, config/ia64/t-ia64, config/mep/t-mep, config/score/t-score-elf, config/t-darwin, config/t-sol2, config/t-vxworks, config/v850/t-v850, config/v850/t-v850e: Dependencies for above files changed to remove $(TOPLEV_H) or toplev.h. c-family: * c-common.h (parse_optimize_options): Declare. * c-cppbuiltin.c, c-format.c, c-gimplify.c, c-lex.c, c-omp.c, c-pch.c, c-pragma.c, c-semantics.c: Don't include toplev.h. cp: * cp-gimplify.c, cp-lang.c, cvt.c, cxx-pretty-print.c, error.c, except.c, expr.c, friend.c, init.c, mangle.c, name-lookup.c, optimize.c, parser.c, rtti.c, tree.c, typeck2.c: Don't include toplev.h. * Make-lang.in: Dependencies for above files changed to remove toplev.h. java: * expr.c, lang.c, mangle.c, mangle_name.c, typeck.c, verify-glue.c: Don't include toplev.h. * Make-lang.in: Dependencies for above files changed to remove toplev.h. lto: * Make-lang.in (lto/lto-object.o): Depend on toplev.h instead of $(TOPLEV_H). From-SVN: r167293
2010-08-20vec.h (FOR_EACH_VEC_ELT): Define.Nathan Froyd1-8/+8
gcc/ * vec.h (FOR_EACH_VEC_ELT): Define. * c-decl.c: Use it. * cfgloop.c: Likewise. * cfgloopmanip.c: Likewise. * cgraph.c: Likewise. * cgraphunit.c: Likewise. * combine.c: Likewise. * config/bfin/bfin.c: Likewise. * config/mips/mips.c: Likewise. * config/rs6000/rs6000.c: Likewise. * dbxout.c: Likewise. * df-scan.c: Likewise. * dominance.c: Likewise. * dse.c: Likewise. * dwarf2out.c: Likewise. * except.c: Likewise. * expr.c: Likewise. * function.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * ggc-common.c: Likewise. * gimplify.c: Likewise. * graphite-blocking.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * graphite-dependences.c: Likewise. * graphite-interchange.c: Likewise. * graphite-poly.c: Likewise. * graphite-scop-detection.c: Likewise. * graphite-sese-to-poly.c: Likewise. * graphite.c: Likewise. * haifa-sched.c: Likewise. * ifcvt.c: Likewise. * implicit-zee.c: Likewise. * ipa-prop.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-emit.c: Likewise. * lambda-code.c: Likewise. * loop-invariant.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lto-cgraph.c: Likewise. * lto-opts.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * lto-symtab.c: Likewise. * matrix-reorg.c: Likewise. * opts.c: Likewise. * predict.c: Likewise. * print-tree.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-ir.c: Likewise. * sel-sched.c: Likewise. * sese.c: Likewise. * stor-layout.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chrec.c: Likewise. * tree-data-ref.c: Likewise. * tree-emutls.c: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-loop-linear.c: Likewise. * tree-mudflap.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * value-prof.c: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * vmsdbgout.c: Likewise. gcc/ada/ * gcc-interface/decl.c: Use FOR_EACH_VEC_ELT. * gcc-interface/trans.c: Likewise. * gcc-interface/utils.c: Likewise. gcc/c-family/ * c-common.c: Use FOR_EACH_VEC_ELT. * c-gimplify.c: Likewise. * c-pragma.c: Likewise. gcc/cp/ * call.c: Use FOR_EACH_VEC_ELT. * class.c: Likewise. * decl.c: Likewise. * decl2.c: Likewise. * error.c: Likewise. * except.c: Likewise. * mangle.c: Likewise. * method.c: Likewise. * name-lookup.c: Likewise. * parser.c: Likewise. * pt.c: Likewise. * repo.c: Likewise. * semantics.c: Likewise. * typeck2.c: Likewise. gcc/fortran/ * trans-openmp.c: Use FOR_EACH_VEC_ELT. gcc/java/ * class.c: Use FOR_EACH_VEC_ELT. * expr.c: Likewise. * jcf-parse.c: Likewise. * resource.c: Likewise. gcc/lto/ * lto.c: Use FOR_EACH_VEC_ELT. From-SVN: r163401
2010-08-11ira-int.h (ira_remove_allocno_copy_from_list): Remove.Vladimir Makarov1-42/+0
2010-08-11 Vladimir Makarov <vmakarov@redhat.com> * ira-int.h (ira_remove_allocno_copy_from_list): Remove. * ira-build.c (ira_remove_allocno_copy_from_list): Remove. From-SVN: r163175
2010-07-22ira-build.c (ira_create_object): New arg SUBWORD; all callers changed.Bernd Schmidt1-136/+272
* ira-build.c (ira_create_object): New arg SUBWORD; all callers changed. Initialize OBJECT_SUBWORD. (ira_create_allocno): Clear ALLOCNO_NUM_OBJECTS. (ira_create_allocno_objects): Renamed from ira_create_allocno_object; all callers changed. (merge_hard_reg_conflicts): Iterate over allocno subobjects. (finish_allocno): Likewise. (move_allocno_live_ranges, copy_allocno_live_ranges): Likewise. (remove_low_level_allocnos): Likewise. (update_bad_spill_attribute): Likewise. (setup_min_max_allocno_live_range_point): Likewise. (sort_conflict_id_map): Likewise. (ira_flattening): Likewise. Use ior_hard_reg_conflicts. (ior_hard_reg_conflicts): New function. (ior_allocate_object_conflicts): Renamed first argument to OBJ. (compress_conflict_vecs): Iterate over objects, not allocnos. (ira_add_live_range_to_object): New function. (object_range_compare_func): Renamed from allocno_range_compare_func. All callers changed. (setup_min_max_conflict_allocno_ids): For allocnos with multiple subobjects, widen the min/max range of the lowest-order object to potentially include all other such low-order objects. * ira.c (ira_bad_reload_regno_1): Iterate over allocno subobjects. (check_allocation): Likewise. Use more fine-grained tests for register conflicts. * ira-color.c (allocnos_have_intersected_live_ranges_p): Iterate over allocno subobjects. (assign_hard_reg): Keep multiple sets of conflicts. Make finer-grained choices about which bits to set in each set. Don't use ira_hard_reg_not_in_set_p, perform a more elaborate test for conflicts using the multiple sets we computed. (push_allocno_to_stack): Iterate over allocno subobjects. (all_conflicting_hard_regs_coalesced): New static function. (setup_allocno_available_regs_num): Use it. (setup_allocno_left_conflicts_size): Likewise. Iterate over allocno subobjects. (coalesced_allocno_conflict): Test subobject 0 in each allocno. (setup_allocno_priorities): Divide ALLOCNO_EXCESS_PRESSURE_POINTS_NUM by ALLOCNO_NUM_OBJECTS. (calculate_spill_cost): Likewise. (color_pass): Express if statement in a more normal way. (ira_reassign_conflict_allocnos): Iterate over allocno subobjects. (slot_coalesced_allocno_live_ranges_intersect_p): Likewise. (setup_slot_coalesced_allocno_live_ranges): Likewise. (allocno_reload_assign): Likewise. (ira_reassign_pseudos): Likewise. (fast_allocation): Likewise. * ira-conflicts.c (build_conflict_bit_table): Likewise. (print_allocno_conflicts): Likewise. (ira_build_conflicts): Likewise. (allocnos_conflict_for_copy_p): Renamed from allocnos_conflict_p. All callers changed. Test subword 0 of each allocno for conflicts. (build_object_conflicts): Renamed from build_allocno_conflicts. All callers changed. Iterate over allocno subobjects. * ira-emit.c (modify_move_list): Iterate over allocno subobjects. * ira-int.h (struct ira_allocno): New member. num_objects. Rename object to objects and change it into an array. (ALLOCNO_OBJECT): Add new argument N. (ALLOCNO_NUM_OBJECTS, OBJECT_SUBWORD): New macros. (ira_create_allocno_objects): Renamed from ira_create_allocno_object. (ior_hard_reg_conflicts): Declare. (ira_add_live_range_to_object): Declare. (ira_allocno_object_iterator): New. (ira_allocno_object_iter_init, ira_allocno_object_iter_cond): New. (FOR_EACH_ALLOCNO_OBJECT): New macro. * ira-lives.c (objects_live): Renamed from allocnos_live; all uses changed. (allocnos_processed): New sparseset. (make_object_born): Renamed from make_allocno_born; take an ira_object_t argument. All callers changed. (make_object_dead): Renamed from make_allocno_dead; take an ira_object t argument. All callers changed. (update_allocno_pressure_excess_length): Take an ira_obejct_t argument. All callers changed. (mark_pseudo_regno_live): Iterate over allocno subobjects. (mark_pseudo_regno_dead): Likewise. (mark_pseudo_regno_subword_live, mark_pseudo_regno_subword_dead): New functions. (mark_ref_live): Detect subword accesses and call mark_pseudo_regno_subword_live as appropriate. (mark_ref_dead): Likewise for mark_pseudo_regno_subword_dead. (process_bb_nodes_live): Deal with object-related updates first; set and test bits in allocnos_processed to avoid computing allocno statistics more than once. (create_start_finish_chains): Iterate over objects, not allocnos. (print_object_live_ranges): New function. (print_allocno_live_ranges): Use it. (ira_create_allocno_live_ranges): Allocate and free allocnos_processed and objects_live. From-SVN: r162418
2010-07-14ira-int.h (struct live_range): Rename allocno member to object and change ↵Bernd Schmidt1-57/+63
type to ira_object_t. * ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t. (struct ira_object): New member live_ranges. (struct ira_allocno): Remove member live_ranges. (ALLOCNO_LIVE_RANGES): Remove. (OBJECT_LIVE_RANGES): New macro. (ira_create_live_range, ira_copy_live_range_list, ira_merge_live_range_list, ira_live_ranges_intersect_p, ira_finish_live_range, ira_finish_live_range_list): Adjust declarations. * ira-build.c (ira_create_object): Initialize live ranges here. (ira_create_allocno): Not here. (ira_create_live_range): Rename from ira_create_allocno_live_range, arg changed to ira_object_t, all callers changed. (copy_live_range): Rename from copy_allocno_live_range, all callers changed. (ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list, all callers changed. (ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list, all callers changed. (ira_live_ranges_intersect_p): Rename from ira_allocno_live_ranges_intersect_p, all callers changed. (ira_finish_live_range): Rename from ira_finish_allocno_live_range, all callers changed. (ira_finish_live_range_list): Rename from ira_finish_allocno_live_range_list, all callers changed. (change_object_in_range_list): Rename from change_allocno_in_range_list, last arg changed to ira_object_t, all callers changed. (finish_allocno): Changed to expect live ranges in the allocno's object. (move_allocno_live_ranges, copy_allocno_live_ranges, update_bad_spill_attribute, setup_min_max_allocno_live_range_point, ira_flattening, ira_build): Likewise. * ira-color.c (allocnos_have_intersected_live_ranges_p, slot_coalesced_allocno_live_ranges_intersect, setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise. * ira-conflicts.c (build_conflict_bit_table): Likewise. * ira-emit.c (add_range_and_copies_from_move_list): Likewise. * ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length, make_allocno_dead, create_start_finish_chains, remove_some_program_points_and_update_live_ranges, ira_debug_live_range_list): Likewise. From-SVN: r162167
2010-07-14ira-int.h (struct ira_object): New.Bernd Schmidt1-195/+264
* ira-int.h (struct ira_object): New. (ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P for it. (struct ira_allocno): Remove members min, max, conflict_allocno_array, conflict_id, conflict_allocno_array_size, conflict_allocnos_num and conflict_vec_p. Add new member object. (OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P, OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE, OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS, OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P, ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE, ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS) ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on an ira_object_t rather than ira_allocno_t. All uses changed. (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now contains a vector of ira_object_t; all uses changed. (ira_objects_num): Declare variable. (ira_create_allocno_object): Declare function. (ira_conflict_vector_profitable_p): Adjust prototype. (ira_allocate_conflict_vec): Renamed from ira_allocate_allocno_conflict_vec; first arg now ira_object_t. (ira_allocate_object_conflicts): Renamed from ira_allocate_allocno_conflicts; first arg now ira_object_t. (struct ira_object_iterator): New. (ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New. (ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p to conflict_vec_p. All uses changed. (ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond): Changed to take into account that conflicts are now tracked for objects. * ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All uses changed. (allocnos_conflict_p): New static function. (collected_conflict_objects): Renamed from collected_allocno_objects; now a vector of ira_object_t. All uses changed. (build_conflict_bit_table): Changed to take into account that conflicts are now tracked for objects. (process_regs_for_copy, propagate_copies, build_allocno_conflicts) (print_allocno_conflicts, ira_build_conflicts): Likewise. * ira-color.c (assign_hard_reg, setup_allocno_available_regs_num) setup_allocno_left_conflicts_size, allocno_reload_assign, fast_allocation): Likewise. * ira-lives.c (make_hard_regno_born, make_allocno_born) process_single_reg_class_operands, process_bb_node_lives): Likewise. * ira-emit.c (modify_move_list, add_range_and_copies_from_move_list): Likewise. * ira-build.c (ira_objects_num): New variable. (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now contains a vector of ira_object_t; all uses changed. (ira_object_id_map_vec): Corresponding change. (object_pool): New static variable. (initiate_allocnos): Initialize it. (finish_allocnos): Free it. (ira_create_object, ira_create_allocno_object, create_allocno_objects): New functions. (ira_create_allocno): Don't set members that were removed. (ira_set_allocno_cover_class): Don't change conflict hard regs. (merge_hard_reg_conflicts): Changed to take into account that conflicts are now tracked for objects. (ira_conflict_vector_profitable_p, ira_allocate_conflict_vec, allocate_conflict_bit_vec, ira_allocate_object_conflicts, compress_conflict_vecs, remove_low_level_allocnos, ira_flattening, setup_min_max_allocno_live_range_point, allocno_range_compare_func, setup_min_max_conflict_allocno_ids, ): Likewise. ((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed to ira_object_t; all callers changed. (ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed to ira_object_t, all callers changed. (clear_conflicts): Renamed from clear_allocno_conflicts, arg changed to ira_object_t, all callers changed. (conflict_check, curr_conflict_check_tick): Renamed from allocno_conflict_check and curr_allocno_conflict_check_tick; all uses changed. (compress_conflict_vec): Renamed from compress_allocno_conflict_vec, arg changed to ira_object_t, all callers changed. (create_cap_allocno): Call ira_create_allocno_object. (finish_allocno): Free the corresponding object. (sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all callers changed. Adjusted for dealing with objects. (ira_build): Call create_allocno_objects after ira_costs. Adjusted for dealing with objects. * ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects. From-SVN: r162166
2010-07-08toplev.h: Do not include diagnostic-core.h.Manuel López-Ibáñez1-0/+1
2010-07-08 Manuel López-Ibáñez <manu@gcc.gnu.org> * toplev.h: Do not include diagnostic-core.h. Include diagnostic-core.h in every file that includes toplev.h. * c-tree.h: Do not include toplev.h. * pretty-print.h: Update comment. * Makefile.in: Update dependencies. * alias.c: Include diagnostic-core.h in every file that includes toplev.h. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgbuild.c: Likewise. * cfgcleanup.c: Likewise. * cfghooks.c: Likewise. * cfgloop.c: Likewise. * combine.c: Likewise. * config/alpha/alpha.c: Likewise. * config/arc/arc.c: Likewise. * config/arm/arm.c: Likewise. * config/arm/pe.c: Likewise. * config/avr/avr.c: Likewise. * config/bfin/bfin.c: Likewise. * config/cris/cris.c: Likewise. * config/crx/crx.c: Likewise. * config/darwin-c.c: Likewise. * config/darwin.c: Likewise. * config/fr30/fr30.c: Likewise. * config/frv/frv.c: Likewise. * config/h8300/h8300.c: Likewise. * config/host-darwin.c: Likewise. * config/i386/i386.c: Likewise. * config/i386/netware.c: Likewise. * config/i386/nwld.c: Likewise. * config/i386/winnt-cxx.c: Likewise. * config/i386/winnt-stubs.c: Likewise. * config/i386/winnt.c: Likewise. * config/ia64/ia64-c.c: Likewise. * config/ia64/ia64.c: Likewise. * config/iq2000/iq2000.c: Likewise. * config/lm32/lm32.c: Likewise. * config/m32c/m32c-pragma.c: Likewise. * config/m32c/m32c.c: Likewise. * config/m32r/m32r.c: Likewise. * config/m68hc11/m68hc11.c: Likewise. * config/m68k/m68k.c: Likewise. * config/mcore/mcore.c: Likewise. * config/mep/mep-pragma.c: Likewise. * config/mep/mep.c: Likewise. * config/mmix/mmix.c: Likewise. * config/mn10300/mn10300.c: Likewise. * config/moxie/moxie.c: Likewise. * config/pa/pa.c: Likewise. * config/pdp11/pdp11.c: Likewise. * config/picochip/picochip.c: Likewise. * config/rs6000/rs6000-c.c: Likewise. * config/rs6000/rs6000.c: Likewise. * config/rx/rx.c: Likewise. * config/s390/s390.c: Likewise. * config/score/score.c: Likewise. * config/score/score3.c: Likewise. * config/score/score7.c: Likewise. * config/sh/sh.c: Likewise. * config/sh/symbian-base.c: Likewise. * config/sh/symbian-c.c: Likewise. * config/sh/symbian-cxx.c: Likewise. * config/sol2-c.c: Likewise. * config/sol2.c: Likewise. * config/sparc/sparc.c: Likewise. * config/spu/spu.c: Likewise. * config/stormy16/stormy16.c: Likewise. * config/v850/v850-c.c: Likewise. * config/v850/v850.c: Likewise. * config/vax/vax.c: Likewise. * config/vxworks.c: Likewise. * config/xtensa/xtensa.c: Likewise. * convert.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * dbxout.c: Likewise. * ddg.c: Likewise. * dominance.c: Likewise. * emit-rtl.c: Likewise. * explow.c: Likewise. * expmed.c: Likewise. * fixed-value.c: Likewise. * fold-const.c: Likewise. * fwprop.c: Likewise. * gcse.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * ggc-zone.c: Likewise. * gimple-low.c: Likewise. * gimplify.c: Likewise. * graph.c: Likewise. * haifa-sched.c: Likewise. * ifcvt.c: Likewise. * implicit-zee.c: Likewise. * integrate.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * lists.c: Likewise. * loop-doloop.c: Likewise. * loop-iv.c: Likewise. * lto-opts.c: Likewise. * lto-symtab.c: Likewise. * main.c: Likewise. * modulo-sched.c: Likewise. * optabs.c: Likewise. * params.c: Likewise. * plugin.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * profile.c: Likewise. * real.c: Likewise. * regcprop.c: Likewise. * reginfo.c: Likewise. * regmove.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * rtl.c: Likewise. * rtlanal.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-rgn.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-ir.c: Likewise. * simplify-rtx.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * targhooks.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-dump.c: Likewise. * tree-eh.c: Likewise. * tree-inline.c: Likewise. * tree-nomudflap.c: Likewise. * tree-object-size.c: Likewise. * tree-optimize.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-phinodes.c: Likewise. * tree-profile.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-uninit.c: Likewise. * tree-ssa.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vrp.c: Likewise. * varasm.c: Likewise. * vec.c: Likewise. * web.c: Likewise. * xcoffout.c: Likewise. c-family/ * c-common.h: Include diagnostic-core.h. Error if already included. * c-semantics.c: Do not define GCC_DIAG_STYLE here. cp/ * cp-tree.h: Do not include toplev.h. java/ * boehm.c: Include diagnostic-core.h in every file that includes toplev.h. * class.c: Likewise. * constants.c: Likewise. * decl.c: Likewise. * except.c: Likewise. * expr.c: Likewise. * jcf-parse.c: Likewise. * mangle.c: Likewise. * mangle_name.c: Likewise. * resource.c: Likewise. * typeck.c: Likewise. * verify-glue.c: Likewise. ada/ * gcc-interface/utils.c: Include diagnostic-core.h in every file that includes toplev.h. lto/ * lto-coff.c: Include diagnostic-core.h in every file that includes toplev.h. * lto-elf.c: Likewise. * lto-lang.c: Likewise. * lto-macho.c: Likewise. From-SVN: r161943
2010-06-24ira-int.h (struct live_range, [...]): Renamed from struct ↵Bernd Schmidt1-34/+32
ira_allocno_live_range and allocno_live_range_t... * ira-int.h (struct live_range, live_range_t): Renamed from struct ira_allocno_live_range and allocno_live_range_t; all uses changed. * ira-build.c (live_range_pool): Renamed from allocno_live_range_pool. All uses changed. From-SVN: r161350
2010-06-24ira-int.h (SET_MINMAX_SET_BIT, [...]): Renamed from SET_ALLOCNO_SET_BIT...Bernd Schmidt1-1/+1
* ira-int.h (SET_MINMAX_SET_BIT, CLEAR_MINMAX_SET_BIT, TEST_MINMAX_SET_BIT, minmax_set_iterator, minmax_set_iter_init, minmax_set_iter_cond, minmax_set_iter_next, FOR_EACH_BIT_IN_MINMAX_SET): Renamed from SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT, TEST_ALLOCNO_SET_BIT, ira_allocno_set_iterator, ira_allocno_set_iter_init, ira_allocno_set_iter_cond, ira_allocno_set_iter_Next and FOR_EACH_ALLOCNO_IN_ALLOCNO_SET. All uses changed. From-SVN: r161349
2010-06-24ira-int.h (ira_parent_allocno, [...]): Declare.Bernd Schmidt1-10/+33
* ira-int.h (ira_parent_allocno, ira_parent_or_cap_allocno): Declare. * ira-build.c (ira_parent_allocno, ira_parent_or_cap_allocno): New functions. (ira_flattening): Use ira_parent_allocno. * ira-conflicts.c (process_regs_for_copy, propagate_copies) build_allocno_conflicts): Use ira_parent_or_cap_allocno. From-SVN: r161347
2010-06-24ira-build.c (merge_hard_reg_conflicts): New function.Bernd Schmidt1-81/+68
* ira-build.c (merge_hard_reg_conflicts): New function. (create_cap_allocno, copy_info_to_removed_store_destinations, propagate_some_info_from_allocno, propagate_allocno_info): Use it. (move_allocno_live_ranges, copy_allocno_live_ranges): New functions. (remove_unnecessary_allocnos, remove_low_level_allocnos) copy_nifo_to_removed_store_destination): Use them. * ira-lives.c (make_hard_regno_born): New function, split out of make_regno_born. (make_allocno_born): Likewise. (make_hard_regno_dead): New function, split out of make_regno_dead. (make_allocno_dead): Likewise. (inc_register_pressure): New function, split out of set_allocno_live. (dec_register_pressure): New function, split out of clear_allocno_live. (mark_pseudo_regno_live): New function, split out of mark_reg_live. (mark_hard_reg_live): Likewise. Use inc_register_pressure. (mark_pseudo_regno_dead): New function, split out of mark_reg_dead. (mark_hard_reg_dead): Likewise. Use dec_register_pressure. (make_pseudo_conflict): Use mark_pseudo_regno_dead and mark_pseudo_regno_live. (process_bb_node_lives): Use mark_pseudo_regno_live, make_hard_regno_born and make_allocno_dead. (make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead, set_allocno_live, clear_allocno_live): Delete functions. From-SVN: r161346
2010-06-01fwprop.c: Make emit-rtl.h include last.Jan Hubicka1-0/+1
* fwprop.c: Make emit-rtl.h include last. * rtlanal.c: Include emit-rtl.h. * genautomata.c: Output emit-rtl include into insn-automata.c * df-scan.c: Include emit-rtl.h. * haifa-sched.c: Indlude emit-rtl.h. * mode-switching.c: Indlude emit-rtl.h. * graph.c: Indlude emit-rtl.h. * sel-sched.c: Include emit-rtl.h. * sel-sched-ir.c: Include emit-rtl.h. * ira-build.c: Include emit-rtl.h. * emit-rtl.c: (first_insn, last_insn): Remove defines. (get_insns, set_first_insn, get_last_insn, set_last_insn, get_max_uid): Move to emit-rtl.h. (set_new_first_and_last_insn, get_last_insn_anywhere, get_first_nonnote_insn, get_last_nonnote_insn, try_split, make_call_insn_raw, add_insn_after, add_insn_before, remove_insn, delete_insns_since, reorder_insns_nobb, emit_insn_after_1, emit_debug_insn_before, emit_insn, start_sequence, push_to_sequence, push_to_sequence2, push_topmost_sequence, end_sequence, copy_insn): Use accessor functions. * emit-rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn, gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value, set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode, mem_expr_equal_p): Move here from rtl.h (get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid): Move here from emit-rtl.c; make inline. * cfglayout.h: Include emit-rtl.h * rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn, gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value, set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode, mem_expr_equal_p, get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid): Move to emit-rtl.h. * reg-stack.c: Include emit-rtl.h * dce.c: Likewise. From-SVN: r160111
2010-05-25ira-build.c (update_conflict_hard_reg_costs): New.Vladimir Makarov1-1/+40
* ira-build.c (update_conflict_hard_reg_costs): New. (ira_build): Call update_conflict_hard_reg_costs. From-SVN: r159830
2010-05-10Nullify regno_allocno_map of the removed allocno.H.J. Lu1-0/+4
gcc/ 2010-05-10 H.J. Lu<hongjiu.lu@intel.com> Vladimir Makarov<vmakarov@redhat.com> PR rtl-optimization/44012 * ira-build.c (remove_unnecessary_allocnos): Nullify regno_allocno_map of the removed allocno. gcc/testsuite/ 2010-05-10 H.J. Lu <hongjiu.lu@intel.com> PR rtl-optimization/44012 * gcc.dg/pr44012.c: New. From-SVN: r159223
2009-11-25Remove trailing white spaces.H.J. Lu1-14/+14
2009-11-25 H.J. Lu <hongjiu.lu@intel.com> * alias.c: Remove trailing white spaces. * alloc-pool.c: Likewise. * alloc-pool.h: Likewise. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * basic-block.h: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * builtins.def: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-decl.c: Likewise. * c-format.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * c-tree.h: Likewise. * c-typeck.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfghooks.h: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * cgraphbuild.c: Likewise. * cgraphunit.c: Likewise. * cif-code.def: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * coverage.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * dbgcnt.def: Likewise. * dbgcnt.h: Likewise. * dbxout.c: Likewise. * dce.c: Likewise. * ddg.c: Likewise. * ddg.h: Likewise. * defaults.h: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * df.h: Likewise. * dfp.c: Likewise. * diagnostic.c: Likewise. * diagnostic.h: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * double-int.c: Likewise. * double-int.h: Likewise. * dse.c: Likewise. * dwarf2asm.c: Likewise. * dwarf2asm.h: Likewise. * dwarf2out.c: Likewise. * ebitmap.c: Likewise. * ebitmap.h: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * except.c: Likewise. * except.h: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * final.c: Likewise. * flags.h: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * fwprop.c: Likewise. * gcc.c: Likewise. * gcov-dump.c: Likewise. * gcov-io.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * genattrtab.c: Likewise. * genautomata.c: Likewise. * genchecksum.c: Likewise. * genconfig.c: Likewise. * genflags.c: Likewise. * gengtype-parse.c: Likewise. * gengtype.c: Likewise. * gengtype.h: Likewise. * genmddeps.c: Likewise. * genmodes.c: Likewise. * genopinit.c: Likewise. * genpreds.c: Likewise. * gensupport.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * ggc-zone.c: Likewise. * ggc.h: Likewise. * gimple-iterator.c: Likewise. * gimple-low.c: Likewise. * gimple-pretty-print.c: Likewise. * gimple.c: Likewise. * gimple.def: Likewise. * gimple.h: Likewise. * gimplify.c: Likewise. * graphds.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * gthr-nks.h: Likewise. * gthr-posix.c: Likewise. * gthr-posix.h: Likewise. * gthr-posix95.h: Likewise. * gthr-single.h: Likewise. * gthr-tpf.h: Likewise. * gthr-vxworks.h: Likewise. * gthr.h: Likewise. * haifa-sched.c: Likewise. * hard-reg-set.h: Likewise. * hooks.c: Likewise. * hooks.h: Likewise. * hosthooks.h: Likewise. * hwint.h: Likewise. * ifcvt.c: Likewise. * incpath.c: Likewise. * init-regs.c: Likewise. * integrate.c: Likewise. * ipa-cp.c: Likewise. * ipa-inline.c: Likewise. * ipa-prop.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-reference.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * ipa-utils.c: Likewise. * ipa-utils.h: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-emit.c: Likewise. * ira-int.h: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * jump.c: Likewise. * lambda-code.c: Likewise. * lambda-mat.c: Likewise. * lambda-trans.c: Likewise. * lambda.h: Likewise. * langhooks.c: Likewise. * lcm.c: Likewise. * libgcov.c: Likewise. * lists.c: Likewise. * loop-doloop.c: Likewise. * loop-init.c: Likewise. * loop-invariant.c: Likewise. * loop-iv.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lto-cgraph.c: Likewise. * lto-compress.c: Likewise. * lto-opts.c: Likewise. * lto-section-in.c: Likewise. * lto-section-out.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * lto-streamer.h: Likewise. * lto-symtab.c: Likewise. * lto-wpa-fixup.c: Likewise. * matrix-reorg.c: Likewise. * mcf.c: Likewise. * mode-switching.c: Likewise. * modulo-sched.c: Likewise. * omega.c: Likewise. * omega.h: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * opts-common.c: Likewise. * opts.c: Likewise. * params.def: Likewise. * params.h: Likewise. * passes.c: Likewise. * plugin.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * predict.def: Likewise. * pretty-print.c: Likewise. * pretty-print.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regcprop.c: Likewise. * reginfo.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * regstat.c: Likewise. * reload.c: Likewise. * reload1.c: Likewise. * resource.c: Likewise. * rtl.c: Likewise. * rtl.def: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sbitmap.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-int.h: Likewise. * sched-rgn.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-dump.h: Likewise. * sel-sched-ir.c: Likewise. * sel-sched-ir.h: Likewise. * sel-sched.c: Likewise. * sel-sched.h: Likewise. * sese.c: Likewise. * sese.h: Likewise. * simplify-rtx.c: Likewise. * stack-ptr-mod.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * stringpool.c: Likewise. * stub-objc.c: Likewise. * sync-builtins.def: Likewise. * target-def.h: Likewise. * target.h: Likewise. * targhooks.c: Likewise. * targhooks.h: Likewise. * timevar.c: Likewise. * tlink.c: Likewise. * toplev.c: Likewise. * toplev.h: Likewise. * tracer.c: Likewise. * tree-affine.c: Likewise. * tree-affine.h: Likewise. * tree-browser.def: Likewise. * tree-call-cdce.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-complex.c: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-dfa.c: Likewise. * tree-dump.c: Likewise. * tree-dump.h: Likewise. * tree-eh.c: Likewise. * tree-flow-inline.h: Likewise. * tree-flow.h: Likewise. * tree-if-conv.c: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-loop-linear.c: Likewise. * tree-mudflap.c: Likewise. * tree-nested.c: Likewise. * tree-nomudflap.c: Likewise. * tree-nrv.c: Likewise. * tree-object-size.c: Likewise. * tree-optimize.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-pass.h: Likewise. * tree-phinodes.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-live.h: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-ssa-operands.h: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sink.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uncprop.c: Likewise. * tree-ssa.c: Likewise. * tree-ssanames.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-tailcall.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vectorizer.h: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: Likewise. * treestruct.def: Likewise. * unwind-compat.c: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2.c: Likewise. * value-prof.c: Likewise. * value-prof.h: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * varpool.c: Likewise. * vec.c: Likewise. * vec.h: Likewise. * vmsdbgout.c: Likewise. * web.c: Likewise. * xcoffout.c: Likewise. From-SVN: r154645
2009-09-02invoke.texi (-fvar-tracking-assignments): New.Alexandre Oliva1-1/+1
gcc/ChangeLog: * doc/invoke.texi (-fvar-tracking-assignments): New. (-fvar-tracking-assignments-toggle): New. (-fdump-final-insns=file): Mark filename as optional. (--param min-nondebug-insn-uid): New. (-gdwarf-@{version}): Mention version 4. * opts.c (common_handle_option): Accept it. * tree-vrp.c (find_assert_locations_1): Skip debug stmts. * regrename.c (regrename_optimize): Drop last. Don't count debug insns as uses. Don't reject change because of debug insn. (do_replace): Reject DEBUG_INSN as chain starter. Take base_regno from the chain starter, and check for inexact matches in DEBUG_INSNS. (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs. (build_def_use): Simplify and fix the marking of DEBUG_INSNs. * sched-ebb.c (schedule_ebbs): Skip boundary debug insns. * fwprop.c (forward_propagate_and_simplify): ...into debug insns. * doc/gimple.texi (is_gimple_debug): New. (gimple_debug_bind_p): New. (is_gimple_call, gimple_assign_cast_p): End sentence with period. * doc/install.texi (bootstrap-debug): More details. (bootstrap-debug-big, bootstrap-debug-lean): Document. (bootstrap-debug-lib): More details. (bootstrap-debug-ckovw): Update. (bootstrap-time): New. * tree-into-ssa.c (mark_def_sites): Skip debug stmts. (insert_phi_nodes_for): Insert debug stmts. (rewrite_stmt): Take iterator. Insert debug stmts. (rewrite_enter_block): Adjust. (maybe_replace_use_in_debug_stmt): New. (rewrite_update_stmt): Use it. (mark_use_interesting): Return early for debug stmts. * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug stmts before replacing stmt. (move_computations_stmt): Likewise. * ira-conflicts.c (add_copies): Skip debug insns. * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns. (regstat_bb_compute_ri): Skip debug insns. * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts. * tree-ssa-loop-manip.c (find_uses_to_rename_stmt, check_loop_closed_ssa_stmt): Skip debug stmts. * tree-tailcall.c (find_tail_calls): Likewise. * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise. * tree.h (MAY_HAVE_DEBUG_STMTS): New. (build_var_debug_value_stat): Declare. (build_var_debug_value): Define. (target_for_debug_bind): Declare. * reload.c (find_equiv_reg): Skip debug insns. * rtlanal.c (reg_used_between_p): Skip debug insns. (side_effects_p): Likewise. (canonicalize_condition): Likewise. * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug insns never depend on debug insns. (create_ddg_dep_no_link): Likewise. (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns. Don't add inter-loop dependencies for debug insns. (build_intra_loop_deps): Likewise. (create_ddg): Count debug insns. * ddg.h (struct ddg::num_debug): New. (num_backargs): Pair up with previous int field. * diagnostic.c (diagnostic_report_diagnostic): Skip notes on -fcompare-debug-second. * final.c (get_attr_length_1): Skip debug insns. (rest_of_clean-state): Don't dump CFA_RESTORE_STATE. * gcc.c (invoke_as): Call compare-debug-dump-opt. (driver_self_specs): Map -fdump-final-insns to -fdump-final-insns=.. (get_local_tick): New. (compare_debug_dump_opt_spec_function): Test for . argument and compute output name. Compute temp output spec without flag name. Compute -frandom-seed. (OPT): Undef after use. * cfgloopanal.c (num_loop_insns): Skip debug insns. (average_num_loop_insns): Likewise. * params.h (MIN_NONDEBUG_INSN_UID): New. * gimple.def (GIMPLE_DEBUG): New. * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts. * auto-inc-dec.c (merge_in_block): Skip debug insns. (merge_in_block): Fix whitespace. * toplev.c (flag_var_tracking): Update comment. (flag_var_tracking_assignments): New. (flag_var_tracking_assignments_toggle): New. (process_options): Don't open final insns dump file if we're not going to write to it. Compute defaults for var_tracking. * df-scan.c (df_insn_rescan_debug_internal): New. (df_uses_record): Handle debug insns. * haifa-sched.c (ready): Initialize n_debug. (contributes_to_priority): Skip debug insns. (dep_list_size): New. (priority): Use it. (rank_for_schedule): Likewise. Schedule debug insns as soon as they're ready. Disregard previous debug insns to make decisions. (queue_insn): Never queue debug insns. (ready_add, ready_remove_first, ready_remove): Count debug insns. (schedule_insn): Don't reject debug insns because of issue rate. (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns. (queue_to_ready): Skip and discount debug insns. (choose_ready): Let debug insns through. (schedule_block): Check boundary debug insns. Discount debug insns, schedule them early. Adjust whitespace. (set_priorities): Check for boundary debug insns. (add_jump_dependencies): Use dep_list_size. (prev_non_location_insn): New. (check_cfg): Use it. * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug stmts. (remove_unused_ivs): Reset debug stmts. * modulo-sched.c (const_iteration_count): Skip debug insns. (res_MII): Discount debug insns. (loop_single_full_bb_p): Skip debug insns. (sms_schedule): Likewise. (sms_schedule_by_order): Likewise. (ps_has_conflicts): Likewise. * caller-save.c (refmarker_fn): New. (save_call_clobbered_regs): Replace regs with saved mem in debug insns. (mark_referenced_regs): Take pointer, mark and arg. Adjust. Call refmarker_fn mark for hardregnos. (mark_reg_as_referenced): New. (replace_reg_with_saved_mem): New. * ipa-pure-const.c (check_stmt): Skip debug stmts. * cse.c (cse_insn): Canonicalize debug insns. Skip them when searching back. (cse_extended_basic_block): Skip debug insns. (count_reg_usage): Likewise. (is_dead_reg): New, split out of... (set_live_p): ... here. (insn_live_p): Use it for debug insns. * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts. (execute_optimize_stdarg): Likewise. * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise. * tree-ssa-propagate.c (substitute_and_fold): Don't regard changes in debug stmts as changes. * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New. (moveup_expr): Don't move across debug insns. Don't move debug insn if it would create a bookkeeping block. (moveup_expr_cached): Don't use cache for debug insns that are heads of blocks. (compute_av_set_inside_bb): Skip debug insns. (sel_rank_for_schedule): Schedule debug insns first. Remove dead code. (block_valid_for_bookkeeping_p); Support lax searches. (create_block_for_bookkeeping): Adjust block numbers when encountering debug-only blocks. (find_place_for_bookkeeping): Deal with debug-only blocks. (generate_bookkeeping_insn): Accept no place to insert. (remove_temp_moveop_nops): New argument full_tidying. (prepare_place_to_insert): Deal with debug insns. (advance_state_on_fence): Debug insns don't start cycles. (update_boundaries): Take fence as argument. Deal with debug insns. (schedule_expr_on_boundary): No full_tidying on debug insns. (fill_insns): Deal with debug insns. (track_scheduled_insns_and_blocks): Don't count debug insns. (need_nop_to_preserve_insn_bb): New, split out of... (remove_insn_from_stream): ... this. (fur_orig_expr_not_found): Skip debug insns. * rtl.def (VALUE): Move up. (DEBUG_INSN): New. * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts. (nearest_common_dominator_of_uses): Take debug_stmts argument. Set it if debug stmts are found. (statement_sink_location): Skip debug stmts. Propagate moving defs into debug stmts. * ifcvt.c (first_active_insn): Skip debug insns. (last_active_insns): Likewise. (cond_exec_process_insns): Likewise. (noce_process_if_block): Likewise. (check_cond_move_block): Likewise. (cond_move_convert_if_block): Likewise. (block_jumps_and_fallthru_p): Likewise. (dead_or_predicable): Likewise. * dwarf2out.c (debug_str_hash_forced): New. (find_AT_string): Add comment. (gen_label_for_indirect_string): New. (get_debug_string_label): New. (AT_string_form): Use it. (mem_loc_descriptor): Handle non-TLS symbols. Handle MINUS , DIV, MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING. Accept but discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and several operations that cannot be represented with DWARF opcodes. (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND. Require dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value. (dwarf2out_var_location): Take during-call mark into account. (output_indirect_string): Update comment. Output if there are label and references. (prune_indirect_string): New. (prune_unused_types): Call it if debug_str_hash_forced. More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>: (dw_long_long_const): Remove. (struct dw_val_struct): Change val_long_long type to rtx. (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair. (output_die): Likewise. Use HOST_BITS_PER_WIDE_INT size of each component instead of HOST_BITS_PER_LONG. (output_loc_operands): Likewise. For const8* assert HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64. (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64. (add_AT_long_long): Remove val_hi and val_lo arguments, add val_const_double. (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of HOST_BITS_PER_LONG for dw_val_class_long_long. (add_const_value_attribute): Adjust add_AT_long_long caller. Don't handle TLS SYMBOL_REFs. If CONST wraps a constant, tail recurse. (dwarf_stack_op_name): Handle DW_OP_implicit_value and DW_OP_stack_value. (size_of_loc_descr, output_loc_operands, output_loc_operands_raw): Handle DW_OP_implicit_value. (extract_int): Move prototype earlier. (mem_loc_descriptor): For SUBREG punt if inner mode size is wider than DWARF2_ADDR_SIZE. Handle SIGN_EXTEND and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}. Handle EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN, UMAX, SIGN_EXTRACT, ZERO_EXTRACT. (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE instead of Pmode size. (loc_descriptor): Add MODE argument. Handle CONST_INT, CONST_DOUBLE, CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode, attempt to handle other expressions. Don't handle TLS SYMBOL_REFs. (concat_loc_descriptor, concatn_loc_descriptor, loc_descriptor_from_tree_1): Adjust loc_descriptor callers. (add_location_or_const_value_attribute): Likewise. For single location loc_lists attempt to use add_const_value_attribute for constant decls. Add DW_AT_const_value even if NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING in its expression. * cfgbuild.c (inside_basic_block_p): Handle debug insns. (control_flow_insn_p): Likewise. * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt. (separate_decls_in_region_debug_bind): New. (separate_decls_in_region): Process debug bind stmts afterwards. * recog.c (verify_changes): Handle debug insns. (extract_insn): Likewise. (peephole2_optimize): Skip debug insns. * dse.c (scan_insn): Skip debug insns. * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument. Pass it on. (setup_id_for_insn): Handle debug insns. (maybe_tidy_empty_bb): Adjust whitespace. (tidy_control_flow): Skip debug insns. (sel_remove_insn): Adjust for debug insns. (sel_estimate_number_of_insns): Skip debug insns. (create_insn_rtx_from_pattern): Handle debug insns. (create_copy_of_insn_rtx): Likewise. * sel-sched-.h (sel_bb_end): Declare. (sel_bb_empty_or_nop_p): New. (get_all_loop_exits): Use it. (_eligible_successor_edge_p): Likewise. (return_nop_to_pool): Adjust. * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts. * ira-lives.c (process_bb_node_lives): Skip debug insns. * gimple-pretty-print.c (dump_gimple_debug): New. (dump_gimple_stmt): Use it. (dump_bb_header): Skip gimple debug stmts. * regmove.c (optimize_reg_copy_1): Discount debug insns. (fixup_match_2): Likewise. (regmove_backward_pass): Likewise. Simplify combined replacement. Handle debug insns. * function.c (instantiate_virtual_regs): Handle debug insns. * function.h (struct emit_status): Add x_cur_debug_insn_uid. * print-rtl.h: Include cselib.h. (print_rtx): Print VALUEs. Split out and recurse for VAR_LOCATIONs. * df.h (df_inns_rescan_debug_internal): Declare. * gcse.c (alloc_hash_table): Estimate n_insns. (cprop_insn): Don't regard debug insns as changes. (bypass_conditional_jumps): Skip debug insns. (one_pre_gcse_pass): Adjust. (one_code_hoisting_pass): Likewise. (compute_ld_motion_mems): Skip debug insns. (one_cprop_pass): Adjust. * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts. (if_convertible_stmt_p): Handle debug stmts. * init-regs.c (initialize_uninitialized_regs): Skip debug insns. * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts. * ira-build.c (create_bb_allocnos): Skip debug insns. * tree-flow-inline.h (has_zero_uses): Discount debug stmts. (has_single_use): Likewise. (single_imm_use): Likewise. (num_imm_uses): Likewise. * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts. * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts. (create_outofssa_var_map): Likewise. * lower-subreg.c (adjust_decomposed_uses): New. (resolve_debug): New. (decompose_multiword_subregs): Use it. * tree-dfa.c (find_referenced_vars): Skip debug stmts. * emit-rtl.c: Include params.h. (cur_debug_insn_uid): Define. (set_new_first_and_last_insn): Set cur_debug_insn_uid too. (copy_rtx_if_shared_1): Handle debug insns. (reset_used_flags): Likewise. (set_used_flags): LIkewise. (get_max_insn_count): New. (next_nondebug_insn): New. (prev_nondebug_insn): New. (make_debug_insn_raw): New. (emit_insn_before_noloc): Handle debug insns. (emit_jump_insn_before_noloc): Likewise. (emit_call_insn_before_noloc): Likewise. (emit_debug_insn_before_noloc): New. (emit_insn_after_noloc): Handle debug insns. (emit_jump_insn_after_noloc): Likewise. (emit_call_insn_after_noloc): Likewise. (emit_debug_insn_after_noloc): Likewise. (emit_insn_after): Take loc from earlier non-debug insn. (emit_jump_insn_after): Likewise. (emit_call_insn_after): Likewise. (emit_debug_insn_after_setloc): New. (emit_debug_insn_after): New. (emit_insn_before): Take loc from later non-debug insn. (emit_jump_insn_before): Likewise. (emit_call_insn_before): Likewise. (emit_debug_insn_before_setloc): New. (emit_debug_insn_before): New. (emit_insn): Handle debug insns. (emit_debug_insn): New. (emit_jump_insn): Handle debug insns. (emit_call_insn): Likewise. (emit): Likewise. (init_emit): Take min-nondebug-insn-uid into account. Initialize cur_debug_insn_uid. (emit_copy_of_insn_after): Handle debug insns. * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite location of single rhs in place. (maybe_dump_rtl_for_gimple_stmt): Dump lineno. (floor_sdiv_adjust): New. (cell_sdiv_adjust): New. (cell_udiv_adjust): New. (round_sdiv_adjust): New. (round_udiv_adjust): New. (wrap_constant): Moved from cselib. (unwrap_constant): New. (expand_debug_expr): New. (expand_debug_locations): New. (expand_gimple_basic_block): Drop hiding redeclaration. Expand debug bind stmts. (gimple_expand_cfg): Expand debug locations. * cselib.c: Include tree-pass.h. (struct expand_value_data): New. (cselib_record_sets_hook): New. (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New. (cselib_clear_table): Move, and implemnet in terms of... (cselib_reset_table_with_next_value): ... this. (cselib_get_next_unknown_value): New. (discard_useless_locs): Don't discard preserved values. (cselib_preserve_value): New. (cselib_preserved_value_p): New. (cselib_preserve_definitely): New. (cselib_clear_preserve): New. (cselib_preserve_only_values): New. (new_cselib_val): Take rtx argument. Dump it in details. (cselib_lookup_mem): Adjust. (expand_loc): Take regs_active in struct. Adjust. Silence dumps unless details are requested. (cselib_expand_value_rtx_cb): New. (cselib_expand_value_rtx): Rename and reimplment in terms of... (cselib_expand_value_rtx_1): ... this. Adjust. Silence dumps without details. Copy more subregs. Try to resolve values using a callback. Wrap constants. (cselib_subst_to_values): Adjust. (cselib_log_lookup): New. (cselib_lookup): Call it. (cselib_invalidate_regno): Don't count preserved values as useless. (cselib_invalidate_mem): Likewise. (cselib_record_set): Likewise. (struct set): Renamed to cselib_set, moved to cselib.h. (cselib_record_sets): Adjust. Call hook. (cselib_process_insn): Reset table when it would be cleared. (dump_cselib_val): New. (dump_cselib_table): New. * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts. (remove_forwarder_block): Support moving debug stmts. * cselib.h (cselib_record_sets_hook): Declare. (cselib_expand_callback): New type. (cselib_expand_value_rtx_cb): Declare. (cselib_reset_table_with_next_value): Declare. (cselib_get_next_unknown_value): Declare. (cselib_preserve_value): Declare. (cselib_preserved_value_p): Declare. (cselib_preserve_only_values): Declare. (dump_cselib_table): Declare. * cfgcleanup.c (flow_find_cross_jump): Skip debug insns. (try_crossjump_to_edge): Likewise. (delete_unreachable_blocks): Remove dominant GIMPLE blocks after dominated blocks when debug stmts are present. * simplify-rtx.c (delegitimize_mem_from_attrs): New. * tree-ssa-live.c (remove_unused_locals): Skip debug stmts. (set_var_live_on_entry): Likewise. * loop-invariant.c (find_invariants_bb): Skip debug insns. * cfglayout.c (curr_location, last_location): Make static. (set_curr_insn_source_location): Don't avoid bouncing. (get_curr_insn_source_location): New. (get_curr_insn_block): New. (duplicate_insn_chain): Handle debug insns. * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate into debug stmts. * common.opt (fcompare-debug): Move to sort order. (fdump-unnumbered-links): Likewise. (fvar-tracking-assignments): New. (fvar-tracking-assignments-toggle): New. * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks because of debug stmts. (mark_stmt_if_obviously_necessary): Mark debug stmts. (eliminate_unnecessary_stmts): Walk dominated blocks before dominators. * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts. * ira.c (memref_used_between_p): Skip debug insns. (update_equiv_regs): Likewise. * sched-deps.c (sd_lists_size): Accept empty list. (sd_init_insn): Mark debug insns. (sd_finish_insn): Unmark them. (sd_add_dep): Reject non-debug deps on debug insns. (fixup_sched_groups): Give debug insns group treatment. Skip debug insns. (sched_analyze_reg): Don't mark debug insns for sched before call. (sched_analyze_2): Handle debug insns. (sched_analyze_insn): Compute next non-debug insn. Handle debug insns. (deps_analyze_insn): Handle debug insns. (deps_start_bb): Skip debug insns. (init_deps): Initialize last_debug_insn. * tree-ssa.c (target_for_debug_bind): New. (find_released_ssa_name): New. (propagate_var_def_into_debug_stmts): New. (propagate_defs_into_debug_stmts): New. (verify_ssa): Skip debug bind stmts without values. (warn_uninialized_vars): Skip debug stmts. * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default. * rtl.c (rtx_equal_p_cb): Handle VALUEs. (rtx_equal_p): Likewise. * ira-costs.c (scan_one_insn): Skip debug insns. (process_bb_node_for_hard_reg_moves): Likewise. * rtl.h (DEBUG_INSN_P): New. (NONDEBUG_INSN_P): New. (MAY_HAVE_DEBUG_INSNS): New. (INSN_P): Accept debug insns. (RTX_FRAME_RELATED_P): Likewise. (INSN_DELETED_P): Likewise (PAT_VAR_LOCATION_DECL): New. (PAT_VAR_LOCATION_LOC): New. (PAT_VAR_OCATION_STATUS): New. (NOTE_VAR_LOCATION_DECL): Reimplement. (NOTE_VAR_LOCATION_LOC): Likewise. (NOTE_VAR_LOCATION_STATUS): Likewise. (INSN_VAR_LOCATION): New. (INSN_VAR_LOCATION_DECL): New. (INSN_VAR_LOCATION_LOC): New. (INSN_VAR_LOCATION_STATUS): New. (gen_rtx_UNKNOWN_VAR_LOC): New. (VAR_LOC_UNKNOWN_P): New. (NOTE_DURING_CALL_P): New. (SCHED_GROUP_P): Accept debug insns. (emit_debug_insn_before): Declare. (emit_debug_insn_before_noloc): Declare. (emit_debug_insn_beore_setloc): Declare. (emit_debug_insn_after): Declare. (emit_debug_insn_after_noloc): Declare. (emit_debug_insn_after_setloc): Declare. (emit_debug_insn): Declare. (make_debug_insn_raw): Declare. (prev_nondebug_insn): Declare. (next_nondebug_insn): Declare. (delegitimize_mem_from_attrs): Declare. (get_max_insn_count): Declare. (wrap_constant): Declare. (unwrap_constant): Declare. (get_curr_insn_source_location): Declare. (get_curr_insn_block): Declare. * tree-inline.c (insert_debug_decl_map): New. (processing_debug_stmt): New. (remap_decl): Don't create new mappings in debug stmts. (remap_gimple_op_r): Don't add references in debug stmts. (copy_tree_body_r): Likewise. (remap_gimple_stmt): Handle debug bind stmts. (copy_bb): Skip debug stmts. (copy_edges_for_bb): Likewise. (copy_debug_stmt): New. (copy_debug_stmts): New. (copy_body): Copy debug stmts at the end. (insert_init_debug_bind): New. (insert_init_stmt): Take id. Skip and emit debug stmts. (setup_one_parameter): Remap variable earlier, register debug mapping. (estimate_num_insns): Skip debug stmts. (expand_call_inline): Preserve debug_map. (optimize_inline_calls): Check for no debug_stmts left-overs. (unsave_expr_now): Preserve debug_map. (copy_gimple_seq_and_replace_locals): Likewise. (tree_function_versioning): Check for no debug_stmts left-overs. Init and destroy debug_map as needed. Split edges unconditionally. (build_duplicate_type): Init and destroy debug_map as needed. * tree-inline.h: Include gimple.h instead of pointer-set.h. (struct copy_body_data): Add debug_stmts and debug_map. * sched-int.h (struct ready_list): Add n_debug. (struct deps): Add last_debug_insn. (DEBUG_INSN_SCHED_P): New. (BOUNDARY_DEBUG_INSN_P): New. (SCHEDULE_DEBUG_INSN_P): New. (sd_iterator_cond): Accept empty list. * combine.c (create_log_links): Skip debug insns. (combine_instructions): Likewise. (cleanup_auto_inc_dec): New. From Jakub Jelinek: Make sure the return value is always unshared. (struct rtx_subst_pair): New. (auto_adjust_pair): New. (propagate_for_debug_subst): New. (propagate_for_debug): New. (try_combine): Skip debug insns. Propagate removed defs into debug insns. (next_nonnote_nondebug_insn): New. (distribute_notes): Use it. Skip debug insns. (distribute_links): Skip debug insns. * tree-outof-ssa.c (set_location_for_edge): Likewise. * resource.c (mark_target_live_regs): Likewise. * var-tracking.c: Include cselib.h and target.h. (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and MO_VAL_SET. (micro_operation_type_name): New. (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN. (struct micro_operation_def): Update comments. (decl_or_value): New type. Use instead of decls. (struct emit_note_data_def): Add vars. (struct attrs_def): Use decl_or_value. (struct variable_tracking_info_def): Add permp, flooded. (struct location_chain_def): Update comment. (struct variable_part_def): Use decl_or_value. (struct variable_def): Make var_part a variable length array. (valvar_pool): New. (scratch_regs): New. (cselib_hook_called): New. (dv_is_decl_p): New. (dv_is_value_p): New. (dv_as_decl): New. (dv_as_value): New. (dv_as_opaque): New. (dv_onepart_p): New. (dv_pool): New. (IS_DECL_CODE): New. (check_value_is_not_decl): New. (dv_from_decl): New. (dv_from_value): New. (dv_htab_hash): New. (variable_htab_hash): Use it. (variable_htab_eq): Support values. (variable_htab_free): Free from the right pool. (attrs_list_member, attrs_list_insert): Use decl_or_value. (attrs_list_union): Adjust. (attrs_list_mpdv_union): New. (tie_break_pointers): New. (canon_value_cmp): New. (unshare_variable): Return possibly-modified slot. (vars_copy_1): Adjust. (var_reg_decl_set): Adjust. Split out of... (var_reg_set): ... this. (get_init_value): Adjust. (var_reg_delete_and_set): Adjust. (var_reg_delete): Adjust. (var_regno_delete): Adjust. (var_mem_decl_set): Split out of... (var_mem_set): ... this. (var_mem_delete_and_set): Adjust. (var_mem_delete): Adjust. (val_store): New. (val_reset): New. (val_resolve): New. (variable_union): Adjust. Speed up merge of 1-part vars. (variable_canonicalize): Use unshared slot. (VALUED_RECURSED_INTO): New. (find_loc_in_1pdv): New. (struct dfset_merge): New. (insert_into_intersection): New. (intersect_loc_chains): New. (loc_cmp): New. (canonicalize_loc_order_check): New. (canonicalize_values_mark): New. (canonicalize_values_star): New. (variable_merge_over_cur): New. (variable_merge_over_src): New. (dataflow_set_merge): New. (dataflow_set_equiv_regs): New. (remove_duplicate_values): New. (struct dfset_post_merge): New. (variable_post_merge_new_vals): New. (variable_post_merge_perm_vals): New. (dataflow_post_merge_adjust): New. (find_mem_expr_in_1pdv): New. (dataflow_set_preserve_mem_locs): New. (dataflow_set_remove_mem_locs): New. (dataflow_set_clear_at_call): New. (onepart_variable_different_p): New. (variable_different_p): Use it. (dataflow_set_different_1): Adjust. Make detailed dump more verbose. (track_expr_p): Add need_rtl parameter. Don't generate rtl if not needed. (track_loc_p): Pass it true. (struct count_use_info): New. (find_use_val): New. (replace_expr_with_values): New. (log_op_type): New. (use_type): New, partially split out of... (count_uses): ... this. Count new micro-ops. (count_uses_1): Adjust. (count_stores): Adjust. (count_with_sets): New. (VAL_NEEDS_RESOLUTION): New. (VAL_HOLDS_TRACK_EXPR): New. (VAL_EXPR_IS_COPIED): New. (VAL_EXPR_IS_CLOBBERED): New. (add_uses): Adjust. Generate new micro-ops. (add_uses_1): Adjust. (add_stores): Generate new micro-ops. (add_with_sets): New. (find_src_status): Adjust. (find_src_set_src): Adjust. (compute_bb_dataflow): Use dataflow_set_clear_at_call. Handle new micro-ops. Canonicalize value equivalances. (vt_find_locations): Compute total size of hash tables for dumping. Perform merge for var-tracking-assignments. Don't disregard single-block loops. (dump_attrs_list): Handle decl_or_value. (dump_variable): Take variable. Deal with decl_or_value. (dump_variable_slot): New. (dump_vars): Use it. (dump_dataflow_sets): Adjust. (set_slot_part): New, extended to support one-part variables after splitting out of... (set_variable_part): ... this. (clobber_slot_part): New, split out of... (clobber_variable_part): ... this. (delete_slot_part): New, split out of... (delete_variable_part): .... this. (check_wrap_constant): New. (vt_expand_loc_callback): New. (vt_expand_loc): New. (emit_note_insn_var_location): Adjust. Handle values. Handle EMIT_NOTE_AFTER_CALL_INSN. (emit_notes_for_differences_1): Adjust. Handle values. (emit_notes_for_differences_2): Likewise. (emit_notes_for_differences): Adjust. (emit_notes_in_bb): Take pointer to set. Emit AFTER_CALL_INSN notes. Adjust. Handle new micro-ops. (vt_add_function_parameters): Adjust. Create and bind values. (vt_initialize): Adjust. Initialize scratch_regs and valvar_pool, flooded and perm.. Initialize and use cselib. Log operations. Move some code to count_with_sets and add_with_sets. (delete_debug_insns): New. (vt_debug_insns_local): New. (vt_finalize): Release permp, valvar_pool, scratch_regs. Finish cselib. (var_tracking_main): If var-tracking-assignments is enabled but var-tracking isn't, delete debug insns and leave. Likewise if we exceed limits or fail the stack adjustments tests, and after all var-tracking processing. More in var-tracking, from Jakub Jelinek <jakub@redhat.com>: (dataflow_set): Add traversed_vars. (value_chain, const_value_chain): New typedefs. (value_chain_pool, value_chains): New variables. (value_chain_htab_hash, value_chain_htab_eq, add_value_chain, add_value_chains, add_cselib_value_chains, remove_value_chain, remove_value_chains, remove_cselib_value_chains): New functions. (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1, shared_hash_find_slot_noinsert_1, shared_hash_find_1): New static inlines. (shared_hash_find_slot_unshare, shared_hash_find_slot, shared_hash_find_slot_noinsert, shared_hash_find): Update. (dst_can_be_shared): New variable. (unshare_variable): Unshare set->vars if shared, use shared_hash_*. Clear dst_can_be_shared. If set->traversed_vars is non-NULL and different from set->vars, look up slot again instead of using the passed in slot. (dataflow_set_init): Initialize traversed_vars. (variable_union): Use shared_hash_*. Use initially NO_INSERT lookup if set->vars is shared. Don't keep slot cleared before calling unshare_variable. Unshare set->vars if needed. Adjust unshare_variable callers. Clear dst_can_be_shared if needed. Even ->refcount == 1 vars must be unshared if set->vars is shared and var needs to be modified. (dataflow_set_union): Set traversed_vars during canonicalization. (VALUE_CHANGED, DECL_CHANGED): Define. (set_dv_changed, dv_changed_p): New static inlines. (track_expr_p): Clear DECL_CHANGED. (dump_dataflow_sets): Set it. (variable_was_changed): Call set_dv_changed. (emit_note_insn_var_location): Likewise. (changed_variables_stack): New variable. (check_changed_vars_1, check_changed_vars_2): New functions. (emit_notes_for_changes): Do nothing if changed_variables is empty. Traverse changed_variables with check_changed_vars_1, call check_changed_vars_2 on each changed_variables_stack entry. (emit_notes_in_bb): Add SET argument. Just clear it at the beginning, use it instead of local &set, don't destroy it at the end. (vt_emit_notes): Call dataflow_set_clear early on all VTI(bb)->out sets, never use them, instead use emit_notes_in_bb computed set, dataflow_set_clear also VTI(bb)->in when we are done with the basic block. Initialize changed_variables_stack, free it afterwards. If ENABLE_CHECKING verify that after noting differences to an empty set value_chains hash table is empty. (vt_initialize): Initialize value_chains and value_chain_pool. (vt_finalize): Delete value_chains htab, free value_chain_pool. (variable_tracking_main): Call dump_dataflow_sets before calling vt_emit_notes, not after it. * tree-flow.h (propagate_defs_into_debug_stmts): Declare. (propagate_var_def_into_debug_stmts): Declare. * df-problems.c (df_lr_bb_local_compute): Skip debug insns. (df_set_note): Reject debug insns. (df_whole_mw_reg_dead_p): Take added_notes_p argument. Don't add notes to debug insns. (df_note_bb_compute): Adjust. Likewise. (df_simulate_uses): Skip debug insns. (df_simulate_initialize_backwards): Likewise. * reg-stack.c (subst_stack_regs_in_debug_insn): New. (subst_stack_regs_pat): Reject debug insns. (convert_regs_1): Handle debug insns. * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H. (print-rtl.o): Depend on cselib.h. (cselib.o): Depend on TREE_PASS_H. (var-tracking.o): Depend on cselib.h and TARGET_H. * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns. (init_ready_list): Skip boundary debug insns. (add_branch_dependences): Skip debug insns. (free_block_dependencies): Check for blocks with only debug insns. (compute_priorities): Likewise. * gimple.c (gss_for_code): Handle GIMPLE_DEBUG. (gimple_build_with_ops_stat): Take subcode as unsigned. Adjust all callers. (gimple_build_debug_bind_stat): New. (empty_body_p): Skip debug stmts. (gimple_has_side_effects): Likewise. (gimple_rhs_has_side_effects): Likewise. * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New. (gimple_build_debug_bind_stat): Declare. (gimple_build_debug_bind): Define. (is_gimple_debug): New. (gimple_debug_bind_p): New. (gimple_debug_bind_get_var): New. (gimple_debug_bind_get_value): New. (gimple_debug_bind_get_value_ptr): New. (gimple_debug_bind_set_var): New. (gimple_debug_bind_set_value): New. (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro. (gimple_debug_bind_reset_value): New. (gimple_debug_bind_has_value_p): New. (gsi_next_nondebug): New. (gsi_prev_nondebug): New. (gsi_start_nondebug_bb): New. (gsi_last_nondebug_bb): New. * sched-vis.c (print_pattern): Handle VAR_LOCATION. (print_insn): Handle DEBUG_INSN. * tree-cfg.c (remove_bb): Walk stmts backwards. Let loc of first insn prevail. (first_stmt): Skip debug stmts. (first_non_label_stmt): Likewise. (last_stmt): Likewise. (has_zero_uses_1): New. (single_imm_use_1): New. (verify_gimple_debug): New. (verify_types_in_gimple_stmt): Handle debug stmts. (verify_stmt): Likewise. (debug_loop_num): Skip debug stmts. (remove_edge_and_dominated_blocks): Remove dominators last. * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts. (linearize_expr): Likewise. * config/i386/i386.c (ix86_delegitimize_address): Call default implementation. * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns. (group_barrier_needed): Skip debug insns. (emit_insn_group_barriers): Likewise. (emit_all_insn_group_barriers): Likewise. (ia64_variable_issue): Handle debug insns. (ia64_dfa_new_cycle): Likewise. (final_emit_insn_group_barriers): Skip debug insns. (ia64_dwarf2out_def_steady_cfa): Take frame argument. Don't def cfa without frame. (process_set): Likewise. (process_for_unwind_directive): Pass frame on. * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define. (rs6000_delegitimize_address): New. (rs6000_debug_adjust_cost): Handle debug insns. (is_microcoded_insn): Likewise. (is_cracked_insn): Likewise. (is_nonpipeline_insn): Likewise. (insn_must_be_first_in_group): Likewise. (insn_must_be_last_in_group): Likewise. (force_new_group): Likewise. * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block contains only debug insns. (rtl_merge_blocks): Skip debug insns. (purge_dead_edges): Likewise. (rtl_block_ends_with_call_p): Skip debug insns. * dce.c (deletable_insn_p): Handle VAR_LOCATION. (mark_reg_dependencies): Skip debug insns. * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New. * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts. * tree-ssa-threadedge.c (record_temporary_equivalences_from_stmts): Skip debug stmts. * regcprop.c (replace_oldest_value_addr): Skip debug insns. (replace_oldest_value_mem): Use ALL_REGS for debug insns. (copyprop_hardreg_forward_1): Handle debug insns. * reload1.c (reload): Skip debug insns. Replace unassigned pseudos in debug insns with their equivalences. (eliminate_regs_in_insn): Skip debug insns. (emit_input_reload_insns): Skip debug insns at first, adjust them later. * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts. (get_indirect_ref_operands): Pass opf_no_vops on. (get_expr_operands): Likewise. Skip debug stmts. (parse_ssa_operands): Scan debug insns with opf_no_vops. gcc/testsuite/ChangeLog: * gcc.dg/guality/guality.c: New. * gcc.dg/guality/guality.h: New. * gcc.dg/guality/guality.exp: New. * gcc.dg/guality/example.c: New. * lib/gcc-dg.exp (cleanup-dump): Remove .gk files. (cleanup-saved-temps): Likewise, .gkd files too. gcc/cp/ChangeLog: * cp-tree.h (TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS): New. * cp-lang.c (cxx_dwarf_name): Pass it. * error.c (count_non_default_template_args): Take flags as argument. Adjust all callers. Skip counting of default arguments if the new flag is given. ChangeLog: * Makefile.tpl (BUILD_CONFIG): Default to bootstrap-debug. * Makefile.in: Rebuilt. contrib/ChangeLog: * compare-debug: Look for .gkd files and compare them. config/ChangeLog: * bootstrap-debug.mk: Add comments. * bootstrap-debug-big.mk: New. * bootstrap-debug-lean.mk: New. * bootstrap-debug-ckovw.mk: Add comments. * bootstrap-debug-lib.mk: Drop CFLAGS for stages. Use -g0 for TFLAGS in stage1. Drop -fvar-tracking-assignments-toggle. From-SVN: r151312
2009-06-16ira-build.c (copy_info_to_removed_store_destinations): Initialize parent_a.Ian Lance Taylor1-1/+2
* ira-build.c (copy_info_to_removed_store_destinations): Initialize parent_a. From-SVN: r148551
2009-04-03revert: reload.c (push_reload, [...]): Use df_get_live_out instead of DF_LR_OUT.Vladimir Makarov1-3/+3
2009-04-03 Vladimir Makarov <vmakarov@redhat.com> Revert 2009-03-30 Vladimir Makarov <vmakarov@redhat.com> * 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. From-SVN: r145521
2009-03-30ira-int.h (ira_allocno): Rename left_conflicts_num to left_conflicts_size.Vladimir Makarov1-1/+1
2009-03-30 Vladimir Makarov <vmakarov@redhat.com> * 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. From-SVN: r145312
2009-03-30reload.c (push_reload, [...]): Use df_get_live_out instead of DF_LR_OUT.Vladimir Makarov1-3/+3
2009-03-30 Vladimir Makarov <vmakarov@redhat.com> * 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. From-SVN: r145309
2009-02-20Update Copyright years for files modified in 2008 and/or 2009.Jakub Jelinek1-1/+1
From-SVN: r144324
2009-01-06re PR rtl-optimization/38583 (huge test case makes register allocator run ↵Vladimir Makarov1-48/+177
out of memory while constructing the conflict graph) 2009-01-05 Vladimir Makarov <vmakarov@redhat.com> 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. From-SVN: r143112
2008-12-09tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.Vladimir Makarov1-10/+17
2008-12-09 Vladimir Makarov <vmakarov@redhat.com> * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description. * doc/invoke.texi (-fira-region): Describe new option. (-fira-algorithm): Change the values. * ira-conflicts.c (build_conflict_bit_table, build_allocno_conflicts): Use ira_reg_classes_intersect_p. (ira_build_conflicts): Use flag flag_ira_region instead of flag_ira_algorithm. Prohibit usage of callee-saved likely spilled base registers for allocnos crossing calls. * flags.h (enum ira_algorithm): Redefine. (enum ira_region): New. (flag_ira_region): New. * cfgloopanal.c (estimate_reg_pressure_cost): Use flag_ira_region instead of flag_ira_algorithm. * toplev.c (flag_ira_algorithm): Change the initial value. (flag_ira_region): New. * ira-int.h (ira_reg_classes_intersect_p, ira_reg_class_super_classes): New. * ira-color.c (update_copy_costs): Use ira_reg_classes_intersect_p. Use right class to find hard reg index. (update_conflict_hard_regno_costs): Ditto. Add a new parameter. (assign_hard_reg): Ditto. Pass additional argument to update_conflict_hard_regno_costs. Do not uncoalesce for priority coloring. (allocno_priorities, setup_allocno_priorities, allocno_priority_compare_func): Move before color_allocnos. (color_allocnos): Add priority coloring. Use flag flag_ira_region instead of flag_ira_algorithm. (move_spill_restore): Check classes of the same reg allocno from different regions. (update_curr_costs): Use ira_reg_classes_intersect_p. (ira_reassign_conflict_allocnos): Ditto. * opts.c (decode_options): Always set up flag_ira. Set up flag_ira_algorithm. Warn CB can not be used for architecture. (common_handle_option): Modify code for -fira-algorithm. Add code to process -fira-region. * ira-lives.c (update_allocno_pressure_excess_length): Process superclasses too. (set_allocno_live, clear_allocno_live, mark_reg_live, mark_reg_dead, process_bb_node_lives): Ditto. * ira-emit.c (ira_emit): Fix insn codes. * ira-build.c (propagate_allocno_info): Use flag flag_ira_region instead of flag_ira_algorithm. (allocno_range_compare_func): Ignore classes for priority coloring. (setup_min_max_conflict_allocno_ids): Ditto. (ira_flattening): Use ira_reg_classes_intersect_p. * genpreds.c (write_enum_constraint_num): Output CONSTRAINT__LIMIT. * common.opt (fira-algorithm): Modify. (fira-region): New. * ira.c (setup_class_hard_regs): Initialize. (setup_cover_and_important_classes): Modify code setting class related info for priority coloring. (setup_class_translate): Ditto. (ira_reg_classes_intersect_p, ira_reg_class_super_classes): New. (setup_reg_class_intersect_union): Rename to setup_reg_class_relations. Add code for setting up new variables. (find_reg_class_closure): Do not check targetm.ira_cover_classes. (ira): Use flag flag_ira_region instead of flag_ira_algorithm. * ira-costs.c (common_classes): New. (print_costs): Use flag flag_ira_region instead of flag_ira_algorithm. (find_allocno_class_costs): Ditto. Use common_classes. Translate alt_class. (ira_costs): Allocate/deallocate common_classes. * config/m32c/m32.h (REG_ALLOC_ORDER): Add reg 19. (REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): New entries for R02A_REGS. * reload1.c (choose_reload_regs): Use MODE_INT for partial ints in smallest_mode_for_size. From-SVN: r142610
2008-12-02re PR rtl-optimization/38280 (Revision 142207 breaks 416.gamess/481.wrf in ↵Vladimir Makarov1-71/+143
SPEC CPU 2006) 2008-12-01 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/38280 * ira-build.c (loop_is_inside_p, regno_allocno_order_compare_func, ira_rebuild_regno_allocno_list): New functions. (regno_allocnos): New static variable. (remove_unnecessary_allocnos): Allocate/deallocate regno_allocnos. Call ira_rebuild_regno_allocno_list. From-SVN: r142336
2008-11-25invoke.texi (ira-max-loops-num): Change semantics.Vladimir Makarov1-14/+76
2008-11-25 Vladimir Makarov <vmakarov@redhat.com> * doc/invoke.texi (ira-max-loops-num): Change semantics. * ira-int.h (struct ira_loop_tree_node): New member to_remove_p. * ira-color.c (allocno_spill_priority): New function. (remove_allocno_from_bucket_and_push, push_allocno_to_spill): Print more info about the spilled allocno. (push_allocnos_to_stack): Use allocno_spill_priority. Add more checks on bad spill. * ira-build.c (loop_node_to_be_removed_p): Remove. (loop_compare_func, mark_loops_for_removal): New functions. (remove_uneccesary_loop_nodes_from_loop_t): Use member to_remove_p. (remove_unnecessary_allocnos): Call mark_loops_for_removal. * ira.c (ira): Don't change flag_ira_algorithm. * params.def (ira-max-loops-num): Change the value. From-SVN: r142207
2008-11-19re PR bootstrap/37859 (Bootstrap failure on mips64octeon-unknown-linux-gnu)Vladimir Makarov1-17/+11
2008-11-19 Vladimir Makarov <vmakarov@redhat.com> PR bootstrap/37859 * ira-int.h (struct ira_loop_tree_node): New member entered_from_non_parent_p. * ira-color.c (print_loop_title): Print loop bbs. * ira-emit.c (entered_from_non_parent_p, setup_entered_from_non_parent_p): New functions. (not_modified_p): Rename to store_can_be_removed_p. Check there is no side entries. (generate_edge_moves): Use store_can_be_removed_p instead of not_modified_p. (ira_emit): Call setup_entered_from_non_parent_p. * ira-build.c (copy_info_to_removed_store_destinations): Accumulate CALL_FREQ, CALL_CROSSED_NUM, and ALLOCNO_EXCESS_PRESSURE_POINTS_NUM. (ira_flattening): Don't CHECK MEM_OPTIMIZED_DEST[_P], always update all accumulated attributes. From-SVN: r142018
2008-11-19re PR middle-end/37790 (limits-fnargs.c takes very long time to compile at -O2)Vladimir Makarov1-91/+119
2008-11-15 Vladimir Makarov <vmakarov@redhat.com> PR bootstrap/37790 * ira-int.h (ira_copy_allocno_live_range_list, ira_merge_allocno_live_ranges, ira_allocno_live_ranges_intersect_p, ira_finish_allocno_live_range_list): New prototypes. (ira_allocno_live_ranges_intersect_p, ira_pseudo_live_ranges_intersect_p): Remove. * ira-conflicts.c (ira_allocno_live_ranges_intersect_p, ira_pseudo_live_ranges_intersect_p): Rename to allocnos_have_intersected_live_ranges_p and pseudos_have_intersected_live_ranges_p. Move them from here to ... * ira-color.c: ... here (coalesced_allocno_conflict_p): Use allocnos_have_intersected_live_ranges_p. (coalesced_allocnos_living_at_program_points, coalesced_allocnos_live_at_points_p, set_coalesced_allocnos_live_points): Remove. (slot_coalesced_allocnos_live_ranges, slot_coalesced_allocno_live_ranges_intersect_p, setup_slot_coalesced_allocno_live_ranges): New. (coalesce_spill_slots): Use ranges of coalesced allocnos. (ira_sort_regnos_for_alter_reg): Use allocnos_have_intersected_live_ranges_p. (ira_reuse_stack_slot): Use pseudos_have_intersected_live_ranges_p. * global.c (pseudo_for_reload_consideration_p): Check flag_ira_share_spill_slots too. * ira-build.c (copy_allocno_live_range_list): Rename to ira_copy_allocno_live_range_list. Make it external. (merge_ranges): Rename to ira_merge_allocno_live_ranges. Make it external. (ira_allocno_live_ranges_intersect_p): New. (ira_finish_allocno_live_range_list): New. (finish_allocno): Use it. (remove_unnecessary_allocnos): Use ira_merge_allocno_live_ranges. (copy_info_to_removed_store_destinations): Ditto. Use ira_copy_allocno_live_range_list. (ira_flattening): Use ira_merge_allocno_live_ranges. * ira.c (too_high_register_pressure_p): New function. (ira): Switch off sharing spill slots if the pressure is too high. From-SVN: r142017
2008-11-14re PR rtl-optimization/37397 (IRA performance impact on SPEC CPU 2K/2006)Vladimir Makarov1-0/+70
2008-11-14 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/37397 * ira-int.h (struct ira_allocno): New member bad_spill_p. (ALLOCNO_BAD_SPILL_P): New macro. * ira-color.c (push_allocnos_to_stack): Check ALLOCNO_BAD_SPILL_P. * ira-build.c (ira_create_allocno): Initialize ALLOCNO_BAD_SPILL_P. (create_cap_allocno, propagate_allocno_info, remove_unnecessary_allocnos): Set up or update ALLOCNO_BAD_SPILL_P. (update_bad_spill_attribute): New function. (ira_build): Call it. * ira-costs.c (record_reg_classes): Set up ALLOCNO_BAD_SPILL_P. From-SVN: r141860
2008-11-10re PR rtl-optimization/37948 (IRA generates slower code)Vladimir Makarov1-6/+12
2008-11-07 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimizations/37948 * ira-int.h (struct ira_allocno_copy): New member constraint_p. (ira_create_copy, ira_add_allocno_copy): New parameter. * ira-conflicts.c (process_regs_for_copy): New parameter. Pass it to ira_add_allocno_copy. (process_reg_shuffles, add_insn_allocno_copies): Pass a new parameter to process_regs_for_copy. (propagate_copies): Pass a new parameter to ira_add_allocno_copy. Fix typo in passing second allocno to ira_add_allocno_copy. * ira-color.c (update_conflict_hard_regno_costs): Use head of coalesced allocnos list. (assign_hard_reg): Ditto. Check that assigned allocnos are not in the graph. (add_ira_allocno_to_bucket): Rename to add_allocno_to_bucket. (add_ira_allocno_to_ordered_bucket): Rename to add_allocno_to_ordered_bucket. (push_ira_allocno_to_stack): Rename to push_allocno_to_stack. Use head of coalesced allocnos list. (push_allocnos_to_stack): Remove calculation of ALLOCNO_TEMP. Check that it is aready calculated. (push_ira_allocno_to_spill): Rename to push_ira_allocno_to_spill. (setup_allocno_left_conflicts_num): Use head of coalesced allocnos list. (coalesce_allocnos): Do extended coalescing too. * ira-emit.c (add_range_and_copies_from_move_list): Pass a new parameter to ira_add_allocno_copy. * ira-build.c (ira_create_copy, ira_add_allocno_copy): Add a new parameter. (print_copy): Print copy origination too. * ira-costs.c (scan_one_insn): Use alloc_pref for load from equivalent memory. From-SVN: r141753
2008-10-27ira-int.h (ira_allocno): Add member updated_cover_class_cost.Vladimir Makarov1-5/+3
2008-10-27 Vladimir Makarov <vmakarov@redhat.com> * ira-int.h (ira_allocno): Add member updated_cover_class_cost. (ALLOCNO_UPDATED_COVER_CLASS_COST): New. (ira_fast_allocation): Remove the prototype. * ira-color.c (update_copy_costs, allocno_cost_compare_func, assign_hard_reg, calculate_allocno_spill_cost): Use updated costs. (color_pass): Modify the updated costs. (ira_color): Rename to color. Make it static. (ira_fast_allocation): Rename to fast_allocation. Make it static. (ira_color): New function. * ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost change. * ira-lives.c (last_call_num, allocno_saved_at_call): New variables. (set_allocno_live, clear_allocno_live, mark_ref_live, mark_ref_dead): Invalidate corresponding element of allocno_saved_at_call. (process_bb_node_lives): Increment last_call_num. Setup allocno_saved_at_call. Don't increase ALLOCNO_CALL_FREQ if the allocno was already saved. (ira_create_allocno_live_ranges): Initiate last_call_num and allocno_saved_at_call. * ira-build.c (ira_create_allocno): Initiate ALLOCNO_UPDATED_COVER_CLASS_COST. (create_cap_allocno, propagate_allocno_info, remove_unnecessary_allocnos): Remove setting updated costs. (ira_flattening): Set up ALLOCNO_UPDATED_COVER_CLASS_COST. * ira.c (ira): Don't call ira_fast_allocation. * ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up updated costs. From-SVN: r141385
2008-10-27re PR middle-end/37884 (Bootstrap failure due to miscompilation of tree-vrp.c)Vladimir Makarov1-5/+12
2008-10-27 Vladimir Makarov <vmakarov@redhat.com> PR middle-end/37884 * ira-build.c (copy_live_ranges_to_removed_store_destinations): Rename to copy_info_to_removed_store_destinations. Propagate conflict hard regs and register stack attribute. From-SVN: r141383
2008-10-16re PR middle-end/37674 (Bootstrap failure due to miscompilation of genattrtab)Vladimir Makarov1-22/+19
2008-10-15 Vladimir Makarov <vmakarov@redhat.com> PR middle-end/37674 * ira-build.c (ira_flattening): Recalculate ALLOCNO_TOTAL_NO_STACK_REG_P and ALLOCNO_TOTAL_CONFLICT_HARD_REGS from the scratch instead of the propagation. From-SVN: r141159
2008-09-26re PR middle-end/37448 (cannot compile big function)Vladimir Makarov1-0/+3
2008-09-25 Vladimir Makarov <vmakarov@redhat.com> PR middle-end/37448 * ira-int.h (IRA_ALLOCNO_TEMP): Rename to ALLOCNO_TEMP. (ira_compress_allocno_live_ranges): New prototype. * ira-color.c: Rename IRA_ALLOCNO_TEMP to ALLOCNO_TEMP. (coalesced_allocnos_living_at_program_points): New. (coalesced_allocnos_live_at_points_p, set_coalesced_allocnos_live_points): New functions. (coalesce_spill_slots): Rewrite. * ira-lives.c (remove_some_program_points_and_update_live_ranges, ira_compress_allocno_live_ranges): New functions. * ira-build.c (ira_flattening): Call ira_compress_allocno_live_ranges. (ira_build): Ditto. From-SVN: r140674
2008-09-12re PR rtl-optimization/37377 (Bootstrap failure compiling libgcc)Vladimir Makarov1-62/+60
2008-09-12 Vladimir Makarov <vmakarov@redhat.com> PR rtl-opt/37377 * ira-build.c (common_loop_tree_node_dominator): Remove. (copy_live_ranges_to_removed_store_destinations): New function. (regno_top_level_allocno_map): Move to top level from ... (ira_flattening): ... here. Use copy_live_ranges_to_removed_store_destinations. * ira-emit.c (generate_edge_moves): Fix a comment. From-SVN: r140325
2008-09-09re PR rtl-optimization/37333 (ICE in ira_flattening, at ira-build.c:2146)Vladimir Makarov1-1/+1
2008-09-09 Vladimir Makarov <vmakarov@redhat.com> PR rtl-opt/37333 * ira-build.c (ira_create_allocno): Setup frequency to 0. * ira-color.c (update_conflict_hard_regno_costs): Remove assert. Check zero freq and increase if necessary. From-SVN: r140160
2008-09-04ira-conflicts.c (process_regs_for_copy): Check insn to check that the cost ↵Vladimir Makarov1-0/+36
is already taken into account in ira-costs.c 2008-09-04 Vladimir Makarov <vmakarov@redhat.com> * ira-conflicts.c (process_regs_for_copy): Check insn to check that the cost is already taken into account in ira-costs.c * ira-int.h (ira_debug_copy, ira_debug_copies): New. * ira-build.c (print_copy, print_copies, ira_debug_copy, ira_debug_copies): New. (ira_bulid): Call print_copies. * doc/tm.texi (IRA_COVER_CLASSES): Fix the description. From-SVN: r140014
2008-09-04re PR middle-end/37243 (IRA causes wrong code generation)Richard Sandiford1-2/+2
gcc/ PR middle-end/37243 * ira-build.c (form_loop_tree): Reverse BB walk. (create_bb_allocnos): Likewise. * ira-lives.c (make_regno_born_and_dead, regs_set): Delete. (mark_reg_store): Rename to... (mark_ref_live): ...this and take a df_ref argument instead of note_stores arguments. Assert that we have a register. (mark_reg_clobber): Delete. (def_conflicts_with_inputs_p): New function. (mark_reg_conflicts): Delete. (mark_reg_death): Rename to... (mark_ref_dead): ...this and take a df_ref argument instead of a register. Assert that we have a register. (process_bb_node_lives): Hoist frequency calculation out of instruction walk. Convert from a forwards scan to a backwards scan. Use DF_REF_USES and DF_REF_DEFS instead of register notes and note_stores. Remove EH_RETURN_DATA_REGNO and regs_set handling. (create_allocno_live_ranges): Don't create regs_set. From-SVN: r139993
2008-09-03re PR middle-end/37243 (IRA causes wrong code generation)Vladimir Makarov1-20/+16
2008-09-03 Vladimir Makarov <vmakarov@redhat.com> PR rtl-opt/37243 * ira-int.h (ira_loop_tree_node): Rename mentioned_allocnos to all_allocnos. * ira-color.c (print_loop_title): Use all_allocnos. (color_pass): Ditto. Don't add border_allocnos. Check that subloop allocno in the correspdoning bitmap all_allocnos. * ira-emit.c (change_loop): Use all_allocnos. * ira-build.c (create_loop_tree_nodes, finish_loop_tree_node): Ditto. (ira_create_allocno): Set up all_allocnos bit for the created allocno. (create_cap_allocno): Remove setting mentioned_allocnos. (create_insn_allocnos): Ditto. (remove_unnecessary_allocnos): Use all_allocnos. (check_allocno_creation): Check that allocnos are in the corresponding bitmap all_allocnos. From-SVN: r139952