On Sun, Mar 27, 2011 at 4:25 PM, Vladimir Makarov <vmaka...@redhat.com> wrote: > I submitted the following patch. The patch contains original > patches from ira-improv branch, changes addressing all Keneth Zadeck's > comments in http://gcc.gnu.org/ml/gcc-patches/2010-12/msg00457.html, > and a minor change fixing few regression on gcc testsuite for x86/x86-64 and > ppc. > > The patch was successfully tested and bootstrapped on x86/x86-64, > ppc64, and ia64.
It breaks bootstrap on Linux/x86: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48307 H.J. ---- > 2011-03-27 Vladimir Makarov <vmaka...@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 <vmaka...@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 <vmaka...@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 <vmaka...@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. > > -- H.J.
