OSDN Git Service

2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
authorvmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 29 Mar 2011 01:02:05 +0000 (01:02 +0000)
committervmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 29 Mar 2011 01:02:05 +0000 (01:02 +0000)
commit66d9a7b9e8a0c85a51467330f51ead74e77b7eb8
tree42d3a5950c6b4d878e9c4c7bf2af916fdcf79515
parent9f50fa3742ab7c20e3e8ceb48b26c920b22ecd62
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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171649 138bc75d-0d04-0410-961f-82ee72b054a4
60 files changed:
gcc/ChangeLog
gcc/Makefile.in
gcc/config/alpha/alpha.h
gcc/config/arm/arm.h
gcc/config/avr/avr.h
gcc/config/bfin/bfin.h
gcc/config/cris/cris.h
gcc/config/fr30/fr30.h
gcc/config/frv/frv.h
gcc/config/h8300/h8300.h
gcc/config/i386/i386.c
gcc/config/i386/i386.h
gcc/config/ia64/ia64.h
gcc/config/iq2000/iq2000.h
gcc/config/m32r/m32r.h
gcc/config/m68k/m68k.h
gcc/config/mcore/mcore.h
gcc/config/mep/mep.h
gcc/config/mips/mips.c
gcc/config/mn10300/mn10300.h
gcc/config/moxie/moxie.h
gcc/config/pa/pa32-regs.h
gcc/config/pa/pa64-regs.h
gcc/config/picochip/picochip.h
gcc/config/rs6000/rs6000.c
gcc/config/rs6000/rs6000.h
gcc/config/rx/rx.h
gcc/config/s390/s390.h
gcc/config/score/score.h
gcc/config/sh/sh.h
gcc/config/sparc/sparc.h
gcc/config/spu/spu.h
gcc/config/stormy16/stormy16.h
gcc/config/v850/v850.h
gcc/config/vax/vax.h
gcc/config/xtensa/xtensa.h
gcc/doc/tm.texi
gcc/doc/tm.texi.in
gcc/haifa-sched.c
gcc/ira-build.c
gcc/ira-color.c
gcc/ira-conflicts.c
gcc/ira-costs.c
gcc/ira-emit.c
gcc/ira-int.h
gcc/ira-lives.c
gcc/ira.c
gcc/ira.h
gcc/loop-invariant.c
gcc/opts.c
gcc/reginfo.c
gcc/regmove.c
gcc/rtl.h
gcc/sched-deps.c
gcc/sched-int.h
gcc/system.h
gcc/target-def.h
gcc/target.def
gcc/targhooks.c
gcc/targhooks.h