1. 28 Mar, 2011 26 commits
  2. 27 Mar, 2011 14 commits
    • [multiple changes] · fe82cdfb
      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
      Vladimir Makarov committed
    • re PR target/48288 (ld: Unsatisfied symbol "__iordi3" in file… · 5e85ab88
      re PR target/48288 (ld: Unsatisfied symbol "__iordi3" in file /test/gnu/gcc/objdir/./gcc/libgcc_eh.a)
      
      	PR target/48288
      	* config/pa/predicates.md (reg_or_ior_operand): New predicate.
      	* config/pa/pa.md (iordi3): Use new predicate in expander.
      	(iorsi3): Likewise.
      
      From-SVN: r171582
      John David Anglin committed
    • mips.h (LIBCALL_VALUE, [...]): Remove macros. · 47be3d6d
              * config/mips/mips.h (LIBCALL_VALUE, FUNCTION_VALUE,
      	FUNCTION_VALUE_REGNO_P): Remove macros.
              * config/mips/mips-protos.h (mips_function_value): Remove.
              * config/mips/mips.c (mips_function_value): Rename to...
      	(mips_function_value_1): ... this. Make static.  Handle receiving
      	the function type in 'fn_decl_or_type' argument.
      	(mips_function_value, mips_libcall_value,
      	mips_function_value_regno_p): New function.
      	(TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
      	TARGET_FUNCTION_VALUE_REGNO_P): Define.
      
      From-SVN: r171580
      Anatoly Sokolov committed
    • Add runtime profiling infrastructure, not yet working. · c29301d6
      From-SVN: r171579
      Ian Lance Taylor committed
    • Split 32-byte AVX unaligned load/store. · d253656a
      gcc/
      
      2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>
      
      	* config/i386/i386.c (flag_opts): Add -mavx256-split-unaligned-load
      	and -mavx256-split-unaligned-store.
      	(ix86_option_override_internal): Split 32-byte AVX unaligned
      	load/store by default.
      	(ix86_avx256_split_vector_move_misalign): New.
      	(ix86_expand_vector_move_misalign): Use it.
      
      	* config/i386/i386.opt: Add -mavx256-split-unaligned-load and
      	-mavx256-split-unaligned-store.
      
      	* config/i386/sse.md (*avx_mov<mode>_internal): Verify unaligned
      	256bit load/store.  Generate unaligned store on misaligned memory
      	operand.
      	(*avx_movu<ssemodesuffix><avxmodesuffix>): Verify unaligned
      	256bit load/store.
      	(*avx_movdqu<avxmodesuffix>): Likewise.
      
      	* doc/invoke.texi: Document -mavx256-split-unaligned-load and
      	-mavx256-split-unaligned-store.
      
      gcc/testsuite/
      
      2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>
      
      	* gcc.target/i386/avx256-unaligned-load-1.c: New.
      	* gcc.target/i386/avx256-unaligned-load-2.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-load-3.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-load-4.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-load-5.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-load-6.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-load-7.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-store-1.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-store-2.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-store-3.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-store-4.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-store-5.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-store-6.c: Likewise.
      	* gcc.target/i386/avx256-unaligned-store-7.c: Likewise.
      
      From-SVN: r171578
      H.J. Lu committed
    • Remove closedchan function. · c570af00
      From-SVN: r171577
      Ian Lance Taylor committed
    • re PR fortran/47065 (Replace trim(a) by a(1:len_trim(a))) · 7e3b6543
      2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
      
      	PR fortran/47065
      	* frontend-passes (optimize_trim): Also follow references, except
      	when they are substring references or array references.
      
      2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
      
      	PR fortran/47065
      	* gfortran.dg/trim_optimize_5.f90:  New test.
      	* gfortran.dg/trim_optimize_6.f90:  New test.
      
      From-SVN: r171575
      Thomas Koenig committed
    • Improve error about indirecting an unsafe.Pointer type. · 15ea09a0
      From-SVN: r171574
      Ian Lance Taylor committed
    • Fix typo · fbe185d3
      From-SVN: r171573
      Eric Botcazou committed
    • re PR target/38598 (MIPS extendsidi2 does not have a LO alternative) · 1ea9206a
      gcc/
      	PR target/38598
      	* config/mips/mips.md (extendsidi2): Add an "l" alternative.
      	Update commentary.
      
      gcc/testsuite/
      	PR target/38598
      	* gcc.target/mips/madd-7.c: Remove -mlong32.
      	* gcc.target/mips/msub-7.c: Likewise.
      
      From-SVN: r171572
      Richard Sandiford committed
    • mips.c (mips_prepare_builtin_arg): Replace icode and opno arguments with an expand_operand. · b99ce2a8
      gcc/
      	* config/mips/mips.c (mips_prepare_builtin_arg): Replace icode and
      	opno arguments with an expand_operand.  Use create_input_operand.
      	(mips_prepare_builtin_target): Delete.
      	(mips_expand_builtin_insn, mips_expand_builtin_compare_1): New
      	functions.
      	(mips_expand_builtin_direct): Use create_output_operand and
      	mips_expand_builtin_insn.  Update call to mips_prepare_builtin_arg.
      	(mips_expand_builtin_movtf): Likewise.  Use mips_expand_fp_comparison.
      	(mips_expand_builtin_compare): Use mips_expand_fp_comparison.
      
      From-SVN: r171571
      Richard Sandiford committed
    • re PR fortran/18918 (Eventually support Fortran 2008's coarrays [co-arrays]) · 5092eb96
      2011-03-27  Tobias Burnus  <burnus@net-b.de>
      
              PR fortran/18918
              * caf/libcaf.h: New - coarray communication library.
              * caf/mpi.c: New.
              * caf/single.c: New.
      
      From-SVN: r171570
      Tobias Burnus committed
    • arm.c (arm_autovectorize_vector_sizes): New function. · 69d52339
      
              * config/arm/arm.c (arm_autovectorize_vector_sizes): New
              function.
              (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
      
      From-SVN: r171569
      Ira Rosen committed