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* tree-flow.h (const_block_stmt_iterator): Remove.
Update all users to use block_stmt_iterator.
* tree-iterator.h (const_tree_stmt_iterator): Remove.
Update all users to use tree_stmt_iterator.
From-SVN: r128246
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* alias.c (memory_modified_1, memory_modified_in_insn_p):
Constify.
* basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
Likewise.
* bb-reorder.c (copy_bb_p): Likewise.
* cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
block_ends_with_condjump_p): Likewise.
* cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
block_ends_with_condjump_p): Likewise.
* cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
* cfgrtl.c (can_delete_note_p, can_delete_label_p,
rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
debug_true_const_tree instad of debug_true_tree.
* debug.c (do_nothing_debug_hooks): Likewise.
* debug.h (ignore_block, debug_true_const_tree): Constify.
* dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
dbx_reg_number, is_based_loc, field_type,
simple_type_align_in_bits, simple_decl_align_in_bits,
simple_type_size_in_bits, field_byte_offset, insert_float,
type_tag, member_declared_type, is_redundant_typedef,
secname_for_decl, is_inlined_entry_point): Likewise.
* emit-rtl.c (const_next_insn, const_previous_insn,
const_next_nonnote_insn, const_prev_nonnote_insn,
const_next_real_insn, const_prev_real_insn,
const_next_active_insn, const_prev_active_insn, const_next_label,
const_prev_label): Likewise.
* except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
Likewise.
* haifa-sched.c (may_trap_exp, haifa_classify_insn,
find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
sched_insn_is_legitimate_for_speculation_p): Likewise.
* jump.c (reversed_comparison_code_parts,
reversed_comparison_code, reversed_comparison, condjump_label):
Likewise.
* predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
* reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
Likewise.
* rtl.h (const_previous_insn, const_next_insn,
const_prev_nonnote_insn, const_next_nonnote_insn,
const_prev_real_insn, const_next_real_insn,
const_prev_active_insn, const_next_active_insn, const_prev_label,
const_next_label, modified_between_p, modified_in_p,
const_note_storeskeep_with_call_p, condjump_label,
reversed_comparison, reversed_comparison_code,
reversed_comparison_code_parts, memory_modified_in_insn_p,
stack_regs_mentioned): Likewise.
* rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
keep_with_call_p): Likewise.
* sched-deps.c (deps_may_trap_p, sched_get_condition,
conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
sd_lists_size, sd_lists_empty_p): Likewise.
* sched-int.h (sched_insns_conditions_mutex_p,
haifa_classify_insn, no_real_insns_p,
sched_insn_is_legitimate_for_speculation_p, sd_next_list,
sd_lists_size, sd_lists_empty_p): Likewise.
* sdbout.c (sdb_debug_hooks): Likewise.
* tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
-tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
Likewise.
* tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
tree_can_throw_internal): Likewise.
* tree-flow-inline.h (phi_nodes): Likewise.
* tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
* tree-gimple.c (const_get_call_expr_in): Likewise.
* tree-gimple.h (const_get_call_expr_in): Likewise.
* tree.c (const_lookup_attribute, attribute_list_equal,
attribute_list_contained): Likewise.
* tree.h (attribute_list_equal, attribute_list_contained,
const_lookup_attribute): Likewise.
* vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
From-SVN: r127824
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License and to point readers at the COPYING3 file and the FSF's license web page.
From-SVN: r126948
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* cfghooks.c (split_block): Fix the information about loop latch.
From-SVN: r126936
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constant loop bound)
PR rtl-optimization/32729
* cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
that fallthru to exit.
From-SVN: r126576
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* cfghooks.c (remove_edge): New function.
(redirect_edge_and_branch, remove_branch, merge_blocks): Updated
loop exit rescans.
* cfghooks.h (remove_edge): Declare.
* cfg.c (remove_edge): Renamed to remove_edge_raw.
* basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
From-SVN: r126499
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track of the size of the expression.
* tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
track of the size of the expression.
* cfghooks.c (merge_blocks): Remove block from loops structure only
after call of the merge_blocks hook.
* gcc.dg/tree-ssa/loop-28.c: New testcase.
From-SVN: r125595
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* cfg.c (init_flow): Use type safe memory macros.
(alloc_block): Likewise.
(unchecked_make_edge): Likewise.
(dump_flow_info): Avoid using C++ keywords as variable names.
(copy_original_table_clear): Cast according to the coding conventions.
(copy_original_table_set): Likewise.
* cfgexpand (label_rtx_for_bb): Likewise.
(expand_gimüle_basic_block): Likewise.
* cfghooks.c (dump_bb): Likewise.
(lv_adjust_loop_header_phi): Avoid using C++ keywords as variable names.
(lv_add_condition_to_bb): Likewise.
* cfglayout (relink_block_chain): Cast according to the coding
conventions.
(fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
* cfgloop.c (glb_enum_p): Likewise.
(get_exit_description): Likewise.
(dump_recorded_exit): Likewise.
* cfgloop.h (enum loop_estimation): Move out of struct scope...
(struct loop): ... from here.
* cfgloopmanip (rpe_enum_p): Cast according to the coding conventions.
* cfgrtl.c (rtl_create_basic_block): Likewise.
(rtl_split_block): Likewise.
(rtl_dump_bb): Likewise.
(cfg_layout_split_block): Likewise.
(init_rtl_bb_info): Use typesafe memory macros.
* graphds.h (struct graph_edge): Renamed edge to graph_edge.
* graphds.h: Updated all usages of edge to graph_edge.
* graphds.c: Likewise.
* cfgloopanal.c: Likewise.
From-SVN: r125336
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* cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
* tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
Add argument to iterate_fix_dominators call.
(remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
* gcse.c (hoist_code): Change domby to vector.
* cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
Add argument to iterate_fix_dominators call.
* loop-doloop.c (doloop_modify): Changed recount_dominator to
recompute_dominator.
* lambda-code.c (perfect_nestify): Ditto.
* cfgloopanal.c: Include graphds.h.
(struct edge, struct vertex, struct graph, dump_graph, new_graph,
add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
(mark_irreducible_loops): Use graphds_scc. Remove argument from
add_edge call.
* graphds.c: New file.
* graphds.h: New file.
* dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
(get_dominated_by, get_dominated_by_region): Change return type to
vector.
(verify_dominators): Recompute all dominators and compare the results.
(recount_dominator): Renamed to ...
(recompute_dominator): ... this. Do not check that the block is
dominated by entry.
(iterate_fix_dominators): Reimplemented.
(prune_bbs_to_update_dominators, root_of_dom_tree,
determine_dominators_for_sons): New functions.
* et-forest.c (et_root): New function.
* et-forest.h (et_root): Declare.
* Makefile.in (graphds.o): Add.
(cfgloopanal.o): Add graphds.h dependency.
(dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
* basic-block.h (get_dominated_by, get_dominated_by_region,
iterate_fix_dominators): Declaration changed.
(recount_dominator): Renamed to ...
(recompute_dominator): ... this.
* tree-ssa-threadupdate.c (thread_block): Free dominance info.
(thread_through_all_blocks): Do not free dominance info.
From-SVN: r125297
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PR middle-end/32018
* tree-ssa-threadupdate.c (thread_through_loop_header): Use
set_loop_copy.
(thread_through_all_blocks): Call initialize_original_copy_tables
and free_original_copy_tables.
* cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
Use set_loop_copy.
* tree-cfg.c (tree_duplicate_sese_region): Ditto.
* cfghooks.c (duplicate_block): Use get_loop_copy.
* cfg.c: Include cfgloop.h.
(loop_copy): New hash table.
(initialize_original_copy_tables): Initialize loop_copy table.
(free_original_copy_tables): Free loop_copy table.
(copy_original_table_clear, copy_original_table_set,
set_loop_copy, get_loop_copy): New functions.
(set_bb_original, set_bb_copy): Use copy_original_table_set.
* cfgloop.h (struct loop): Remove copy field.
* Makefile.in (cfg.o): Add CFGLOOP_H dependency.
* basic-block.h (set_loop_copy, get_loop_copy): Declare.
From-SVN: r125024
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* tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
(execute_vrp): Preserve loops through jump threading.
* tree-ssa-threadupdate.c (thread_single_edge,
dbds_continue_enumeration_p, determine_bb_domination_status,
thread_through_loop_header): New functions.
(create_edge_and_update_destination_phis,
create_edge_and_update_destination_phis): Set loops for the new blocks.
(prune_undesirable_thread_requests): Removed.
(redirect_edges): Do not pretend that redirect_edge_and_branch can
create new blocks.
(thread_block): Do not call prune_undesirable_thread_requests.
Update loops.
(mark_threaded_blocks): Select edges to thread here.
(thread_through_all_blocks): Take may_peel_loop_headers argument.
Thread edges through loop headers independently.
* cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
* tree-pass.h (TODO_mark_first_instance): New.
(first_pass_instance): Declare.
* cfghooks.c (duplicate_block): Put the block to the original loop
if copy is not specified.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
jump threading. Pass may_peel_loop_headers to
thread_through_all_blocks according to first_pass_instance.
* cfgloop.h (create_preheader): Declare.
* tree-flow.h (thread_through_all_blocks): Declaration changed.
* basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
* passes.c (first_pass_instance): New variable.
(next_pass_1): Set TODO_mark_first_instance.
(execute_todo): Set first_pass_instance.
* gcc.dg/tree-ssa/ssa-dom-thread-2.c: New test.
* gcc.dg/vect/vect-102.c, gcc.dg/vect/vect-103.c,
gcc.dg/vect/vect-104.c: Use more complex construction to prevent vectorizing.
* gcc.dg/tree-ssa/pr21559.c: Update outcome.
From-SVN: r124786
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loop_outer accessor functions.
* tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
Use loop_depth and loop_outer accessor functions.
* tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
determine_invariantness_stmt, move_computations_stmt): Ditto.
* cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
add_loop, loopify, unloop, fix_loop_structure): Ditto.
* tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
* tree-scalar-evolution.c (interpret_loop_phi,
compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
instantiate_parameters_1, scev_const_prop): Ditto.
* cfghooks.c (make_forwarder_block): Ditto.
* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
* modulo-sched.c (loop_canon_p): Ditto.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_can_duplicate_loop_p): Ditto.
* lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
* tree-cfg.c (tree_duplicate_sese_region): Ditto.
* cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
cancel_loop, verify_loop_structure): Ditto.
(flow_loop_nested_p, superloop_at_depth, flow_loop_free,
add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
superloops vector instead of "pred" array.
(establish_preds): Take father loop as an argument. Initialize the
superloops vector.
(flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
initialize loop->outer.
(flow_loop_tree_node_remove): Truncate the superloops vector.
* cfgloop.h (struct loop): Removed field "outer", fields "depth" and
"pred" merged to "superloops" vector.
(loop_depth, loop_outer): New.
(fel_init): Use loop_outer.
From-SVN: r124619
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2007-05-04 Josh Conner <jconner@apple.com>
* basic-block.h (cdi_direction): Assign values to all enumeration
constants.
(dom_computed): Remove.
(dom_info_state): New.
(set_dom_info_availability): New.
* tree-ssa-loop-im.c (determine_invariantness): Initialize
walk_data.dom_direction.
* cfghooks.c (delete_basic_block): Use dom_info_available_p()
instead of dom_computed[].
(split_edge): Likewise.
(create_basic_block): Likewise.
(merge_blocks): Likewise.
* ifcvt.c (find_if_header): Likewise.
* tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
* tree-ssa-dce.c (remove_dead_stmt): Likewise.
* tree-ssa.c (verify_ssa): Likewise.
* tree-cfg.c (tree_verify_flow_info): Likewise.
(remove_edge_and_dominated_blocks): Likewise.
* dominance.c (dom_computed): Make static.
(calc_dfs_tree_nonrec): Change third param to a bool.
(calc_dfs_tree): Change second param to a bool.
(calc_idioms): Change second param to a bool. Use
dom_convert_dir_to_idx.
(init_dom_info): Validate dir before using.
(dom_convert_dir_to_idx): New.
(calculate_dominance_info): Use dom_convert_dir_to_idx. New
variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
(free_dominance_info): Use dom_convert_dir_to_idx.
(get_immediate_dominator): Likewise.
(set_immediate_dominator): Likewise.
(get_dominated_by): Likewise.
(redirect_immediate_dominators): Likewise.
(nearest_common_denominator): Likewise.
(dominated_by_p): Likewise.
(bb_dom_dfs_in): Likewise.
(bb_dom_dfs_out): Likewise.
(recount_dominator): Likewise.
(iterate_fix_dominators): Likewise.
(add_to_dominance_info): Likewise.
(delete_from_dominance_info): Likewise.
(first_dom_son): Likewise.
(next_dom_son): Likewise.
(dom_info_available_p): Likewise.
(dom_info_state): New.
(set_dom_info_availability): New.
From-SVN: r124439
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multiple latches.
* doc/loop.texi: Document possibility not to perform disambiguation
of loops with multiple latches.
* cfgloopmanip.c (alp_enum_p): Removed.
(add_loop): Handle subloops. Use get_loop_body_with_size.
(create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
* cfghooks.c (redirect_edge_and_branch_force): Set dominator for
the new forwarder block.
(make_forwarder_block): Only call new_bb_cbk if it is not NULL.
Handle the case latch is NULL.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
when marking loop exits.
* ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
be modified.
* loop-init.c (loop_optimizer_init): Do not modify cfg. Call
disambiguate_loops_with_multiple_latches.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
before fix_loop_structure.
* cfgloop.c: Include pointer-set.h and output.h.
(canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
(get_loop_latch_edges, find_subloop_latch_edge_by_profile,
find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
disambiguate_multiple_latches, get_loop_body_with_size,
disambiguate_loops_with_multiple_latches): New functions.
(flow_loop_dump): Dump multiple latch edges.
(flow_loop_nodes_find): Handle loops with multiple latches.
(flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
(glb_enum_p): Modified.
(get_loop_body): Use get_loop_body_with_size.
* cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
(AVOID_CFG_MODIFICATIONS): New constant.
(disambiguate_loops_with_multiple_latches, add_loop,
get_loop_body_with_size): Declare.
* Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
* gcc.dg/tree-ssa/loop-25.c: New test.
From-SVN: r121670
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* cfgloopmanip.c (loop_delete_branch_edge): Removed.
(remove_path): Use can_remove_branch_p and remove_branch instead
of loop_delete_branch_edge.
* tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
(tree_transform_and_unroll_loop): Remove dead branches immediately.
Update profile using scale_dominated_blocks_in_loop.
* cfghooks.c (can_remove_branch_p, remove_branch): New functions.
* cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
(can_remove_branch_p, remove_branch): Declare.
* tree-cfg.c (tree_can_remove_branch_p): New function.
(tree_cfg_hooks): Add tree_can_remove_branch_p.
* cfgrtl.c (rtl_can_remove_branch_p): New function.
(rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
From-SVN: r121583
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* doc/loop.texi: Document recording of loop exits.
* cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
(update_single_exits_after_duplication,
update_single_exit_for_duplicated_loop,
update_single_exit_for_duplicated_loops): Removed.
(duplicate_loop_to_header_edge): Do not call
update_single_exits_after_duplication and
update_single_exit_for_duplicated_loops.
(loop_version): Do not update single_exit information.
(fix_loop_structure): Use record_loop_exits instead of
mark_single_exit_loops.
* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
the lists of loop exits.
* cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
split_edge, merge_blocks): Update the lists of loop exits.
* modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
loop_optimizer_init.
* loop-init.c (loop_optimizer_init): Call record_loop_exits instead
of mark_single_exit_loops.
(loop_optimizer_finalize): Call release_recorded_exits.
* tree-ssa-loop.c (tree_loop_optimizer_init): Pass
LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
update single exit information.
* lambda-code.c (perfect_nestify): Ditto.
* cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
(mark_single_exit_loops): Removed.
(alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
get_exit_descriptions, rescan_loop_exit, record_loop_exits,
dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
functions.
(get_loop_exit_edges, single_exit): Use recorded exit lists.
(add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
(verify_loop_structure): Verify consistency of the exit lists.
(flow_loops_find): Use alloc_loop. Initialize exits hash.
(set_single_exit): Removed.
* cfgloop.h (struct loop_exit): New function.
(struct loop): single_exit_ field replaced by exits field.
(LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
(struct loops): Added exits hash.
(mark_single_exit_loops, set_single_exit): Declaration removed.
(release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
From-SVN: r120728
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duplicate_loop_to_header_edge call.
* loop-unswitch.c (unswitch_loop): Update arguments of
duplicate_loop_to_header_edge call.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
* loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Ditto.
* cfgloopmanip.c (loop_version): Ditto.
(duplicate_loop_to_header_edge): Change
type of to_remove to VEC(edge), remove n_to_remove argument.
* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
Change type of to_remove to VEC(edge), remove n_to_remove argument.
(tree_unroll_loop): Update arguments of
tree_duplicate_loop_to_header_edge call.
* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
Change type of to_remove to VEC(edge), remove n_to_remove argument.
* cfghooks.h (struct cfg_hooks): Type of
cfg_hook_duplicate_loop_to_header_edge changed.
(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
* cfgloop.h (duplicate_loop_to_header_edge): Ditto.
* tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
From-SVN: r120074
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* tree-vrp.c (execute_vrp): Do not pass loops structure through
arguments.
* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
unswitch_loop): Ditto.
* tree-loop-linear.c (linear_transform_loops): Ditto.
* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
tree_ssa_lim): Ditto.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
free_numbers_of_iterations_estimates): Ditto.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
remove_path, add_loop, loopify, unloop, fix_loop_placements,
place_new_loop, duplicate_loop, duplicate_subloops,
update_single_exit_for_duplicated_loops, copy_loops_to,
duplicate_loop_to_header_edge, create_preheaders,
force_single_succ_latches, loop_version, fix_loop_structure):
Ditto.
* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
tree_unroll_loop): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-scalar-evolution.c (select_loops_exit_conditions,
scev_initialize, scev_analysis): Ditto.
* tree-scalar-evolution.h (scev_initialize): Ditto.
* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
* modulo-sched.c (sms_schedule): Ditto.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
* ifcvt.c (if_convert): Ditto.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
canonicalize_loop_induction_variables,
canonicalize_induction_variables,
tree_unroll_loops_completely, remove_empty_loops): Ditto.
* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
tree_ssa_loop_done): Ditto.
* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
estimate_bb_frequencies): Ditto.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
decide_unrolling_and_peeling, peel_loop_completely,
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid): Ditto.
* loop-doloop.c (doloop_optimize_loops): Ditto.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
* loop-invariant.c (move_loop_invariants): Ditto.
* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
tree_ssa_prefetch_arrays): Ditto.
* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
Ditto.
* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
mark_single_exit_loops, cancel_loop, cancel_loop_tree,
verify_loop_structure): Ditto.
* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
canonicalize_induction_variables, tree_unroll_loops_completely,
tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
tree_unroll_loop, linear_transform_loops): Declaration changed.
* basic-block.h: Remove declaration of struct loops.
* cfghooks.h (struct cfg_hooks): Change type of
cfg_hook_duplicate_loop_to_header_edge.
(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
vect_transform_loop): Declaration changed.
* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
* cfgloop.h (flow_loops_dump, fix_loop_structure,
mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
cancel_loop_tree, create_preheaders, force_single_succ_latches,
verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
loopify, loop_version, remove_path, unswitch_loops,
unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
Declaration changed.
From-SVN: r119189
|
|
* tree-vrp.c (execute_vrp): Do not update current_loops.
* loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
* doc/loop.texi: Remove documentation for cancelled functions.
* tree-ssa-loop-im.c (loop_commit_inserts): Removed.
(move_computations, determine_lsm): Use bsi_commit_edge_inserts
instead.
* cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
(remove_path): Ensure that in delete_basic_blocks, the loops
are still allocated.
(add_loop): Work on valid loop structures.
(loopify): Modify call of add_loop.
(mfb_update_loops): Removed.
(create_preheader): Do not update loops explicitly.
(force_single_succ_latches, loop_version): Do not use
loop_split_edge_with.
(loop_split_edge_with): Removed.
* tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
Do not use bsi_insert_on_edge_immediate_loop.
(split_loop_exit_edge, tree_unroll_loop): Do not use
loop_split_edge_with.
(bsi_insert_on_edge_immediate_loop): Removed.
* tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
use loop_split_edge_with.
* cfghooks.c: Include cfgloop.h.
(verify_flow_info): Verify that loop_father is filled iff current_loops
are available.
(redirect_edge_and_branch_force, split_block, delete_basic_block,
split_edge, merge_blocks, make_forwarder_block, duplicate_block):
Update cfg.
* cfgloopanal.c (mark_irreducible_loops): Work if the function contains
no loops.
* modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
loop_split_edge_with.
(sms_schedule): Use current_loops.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
current_loops.
(rtl_loop_init, rtl_loop_done): Do not set current_loops.
* tree-ssa-sink.c (execute_sink_code): Use current_loops.
* ifcvt.c (if_convert): Ditto.
* predict.c (predict_loops): Do not clear current_loops.
(tree_estimate_probability): Use current_loops.
(propagate_freq): Receive head of the region to propagate instead of
loop.
(estimate_loops_at_level): Do not use shared to_visit bitmap.
(estimate_loops): New function. Handle case current_loops == NULL.
(estimate_bb_frequencies): Do not allocate tovisit. Use
estimate_loops.
* tree-ssa-loop.c (current_loops): Removed.
(tree_loop_optimizer_init): Do not return loops.
(tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
Do not update loops explicitly.
* function.h (struct function): Add x_current_loops field.
(current_loops): New macro.
* tree-if-conv.c (combine_blocks): Do not update loops explicitly.
* loop-unroll.c (split_edge_and_insert): New function.
(unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
use loop_split_edge_with.
* loop-doloop.c (add_test, doloop_modify): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
* cfglayout.c (copy_bbs): Do not update loops explicitly.
* lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
* tree-vect-transform.c (vect_transform_loop): Do not update loops
explicitly.
* cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
(flow_loops_free): Do not free dfs_order and rc_order.
(flow_loops_find): Do not set dfs_order and rc_order in loops
structure. Do not call loops and flow info verification.
(add_bb_to_loop, remove_bb_from_loops): Check whether the block
already belongs to some loop.
* cfgloop.h (struct loops): Remove struct cfg.
(current_loops, loop_split_edge_with): Declaration removed.
(loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
* tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
Declaration removed.
* Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
* basic-block.h (split_edge_and_insert): Declare.
* tree-cfg.c (remove_bb): Do not update loops explicitly.
From-SVN: r118931
|
|
conflicts.
* tree-dump.c (dump_enable_all): Rename local variable
ir_type to avoid name conflicts.
* cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
instead of using ir_type().
* profile.c (tree_register_profile_hooks): Likewise.
* value-prof.c (tree_register_value_prof_hooks): Likewise.
* basic-block.h (struct edge_def): Likewise.
* config/arm/arm.c (legitimize_pic_address): Likewise.
* coretypes.h (ir_type): New enum of all intermediate languages
used in GCC.
* cfghooks.c (ir_type): Rename to...
(current_ir_type): ...this. Distinguish between cfgrtl and
cfglayout mode when the current IR is RTL. Return enum ir_type.
* cfghooks.h (ir_type): Replace with current_ir_type prototype.
From-SVN: r118465
|
|
From-SVN: r113893
|
|
2006-01-31 Marcin Dalecki <martin@dalecki.de>
* tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
* regrename.c: Ditto.
* tree-ssa-loop-im.c: Ditto.
* tree-dump.c: Ditto.
* tree-complex.c: Ditto.
* genrecog.c: Ditto.
* tree-ssa-threadupdate.c: Ditto.
* tracer.c: Ditto.
* java/class.c: Ditto.
* java/jcf-parse.c: Ditto.
* java/resource.c: Ditto.
* java/except.c: Ditto.
* java/jvspec.c: Ditto.
* java/jcf-write.c: Ditto.
* java/jcf-path.c: Ditto.
* java/gjavah.c: Ditto.
* java/zextract.c: Ditto.
* java/jcf-io.c: Ditto.
* java/jcf.h: Ditto.
* java/buffer.c: Ditto.
* java/lang.c: Ditto.
* java/parse-scan.y: Ditto.
* java/lex.c: Ditto.
* java/lex.h: Ditto.
* cfgloopmanip.c: Ditto.
* postreload-gcse.c: Ditto.
* tree-ssa-loop-manip.c: Ditto.
* postreload.c: Ditto.
* tree-ssa-loop-ch.c: Ditto.
* loop.c: Ditto.
* ipa-cp.c: Ditto.
* cppspec.c: Ditto.
* diagnostic.c: Ditto.
* final.c: Ditto.
* genoutput.c: Ditto.
* gcc.c: Ditto.
* cfghooks.c: Ditto.
* cfgloopanal.c: Ditto.
* objc/objc-act.c: Ditto.
* gcov.c: Ditto.
* genextract.c: Ditto.
* genautomata.c: Ditto.
* pretty-print.c: Ditto.
* genemit.c: Ditto.
* cgraphunit.c: Ditto.
* flow.c: Ditto.
* df-scan.c: Ditto.
* haifa-sched.c: Ditto.
* dominance.c: Ditto.
* dbxout.c: Ditto.
* tree-ssa-loop-ivopts.c: Ditto.
* df-core.c: Ditto.
* mode-switching.c: Ditto.
* modulo-sched.c: Ditto.
* graph.c: Ditto.
* ipa-pure-const.c: Ditto.
* cse.c: Ditto.
* fix-header.c: Ditto.
* web.c: Ditto.
* tree-stdarg.c: Ditto.
* ipa-utils.c: Ditto.
* loop-init.c: Ditto.
* ipa-inline.c: Ditto.
* cfganal.c: Ditto.
* global.c: Ditto.
* alloc-pool.c: Ditto.
* dwarf2out.c: Ditto.
* opts.c: Ditto.
* genattrtab.c: Ditto.
* tree-ssa-loop-ivcanon.c: Ditto.
* predict.c: Ditto.
* timevar.c: Ditto.
* lcm.c: Ditto.
* fortran/gfortranspec.c: Ditto.
* regmove.c: Ditto.
* local-alloc.c: Ditto.
* langhooks.c: Ditto.
* function.c: Ditto.
* tree-vectorizer.c: Ditto.
* gcse.c: Ditto.
* ipa-type-escape.c: Ditto.
* alias.c: Ditto.
* tree-if-conv.c: Ditto.
* profile.c: Ditto.
* ipa.c: Ditto.
* tree-data-ref.c: Ditto.
* loop-unroll.c: Ditto.
* treelang/treetree.c: Ditto.
* calls.c: Ditto.
* bt-load.c: Ditto.
* ggc-common.c: Ditto.
* except.c: Ditto.
* coverage.c: Ditto.
* cselib.c: Ditto.
* tree-cfgcleanup.c: Ditto.
* tree-ssa-pre.c: Ditto.
* cfgcleanup.c: Ditto.
* loop-invariant.c: Ditto.
* loop-iv.c: Ditto.
* ipa-prop.c: Ditto.
* print-tree.c: Ditto.
* conflict.c: Ditto.
* ggc-page.c: Ditto.
* sched-deps.c: Ditto.
* regclass.c: Ditto.
* tree-object-size.c: Ditto.
* combine.c: Ditto.
* bb-reorder.c: Ditto.
* resource.c: Ditto.
* var-tracking.c: Ditto.
* cfgloop.c: Ditto.
* df-problems.c: Ditto.
* reg-stack.c: Ditto.
* tlink.c: Ditto.
* gccspec.c: Ditto.
* sched-rgn.c: Ditto.
* tree-ssa-structalias.c: Ditto.
* tree-ssa-reassoc.c: Ditto.
* config/darwin-c.c: Ditto.
* config/darwin.c: Ditto.
* config/arm/arm.c: Ditto.
* cfgrtl.c: Ditto.
* collect2.c: Ditto.
* reload1.c: Ditto.
From-SVN: r110446
|
|
and the exit block is 1.
2005-12-17 Danny Berlin <dberlin@dberlin.org>
Kenneth Zadeck <zadeck@naturalbridge.com>
* basic-block.h: Changed basic block numbering so that the entry
block is 0 and the exit block is 1. Changed insn iterators so
that they are tolerant of blocks with no insns.
* regrename.c (copyprop_hardreg_forward): Changed basic block
numbering so that the entry block is 0 and the exit block is 1.
* sched-ebb.c (sehedule_ebbs): Ditto.
* tracer.c (branch_ratio_cutoff): Ditto.
* cfgloopmanip.c (fix_loop_structure): Ditto.
* cfghooks.c (verify_flow_info): Ditto.
* cfg.c (compact_blocks): Ditto.
* reorg.c (dbr_schedule): Ditto.
* flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
* dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
calculate_dominance_info): Ditto.
* cfganal.c (create_edge_list, print_edge_list,
flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
dfs_enumerate_from): Ditto.
* global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
* ifcvt.c (find_if_case_2): Ditto.
* cfgbuild.c (control_flow_insn_p, count_basic_blocks,
find_basic_blocks): Ditto.
* predict.c (predict_loops, tree_bb_level_predictions,
predict_paths_leading_to, propagate_freq): Ditto.
* lcm.c (compute_antinout_edge, compute_laterin,
compute_available): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (gcse_main, bypass_jumps): Ditto.
* profile.c (compute_branch_probabilities,
compute_value_histograms, branch_prob): Ditto.
* tree-flow-inline.h (bsi_start, bsi_after_labels,
bsi_last): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt,
blocks_in_phiopt_order): Ditto.
* bt-load.c (compute_defs_uses_and_gen, compute_kill,
compute_out, link_btr_uses, migrate_btr_defs): Ditto.
* tree-dfa.c (collect_dfa_stats): Ditto.
* cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
partition_hot_cold_basic_blocks): Ditto.
* var-tracking.c (vt_find_locations): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
* sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
* tree-ssa-reassoc.c (init_reassoc): Ditto.
* cfgrtl.c (entry_of_function, rtl_verify_flow_info,
rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
* df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
and removed unused reverse orders.
* df.h (): Ditto.
* combine.c: Fix document typo.
Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>
From-SVN: r108713
|
|
* bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
to duplicate_block.
* cfghooks.c (duplicate_block): Added position where to place
new block as argument.
* cfghooks.h (duplicate_block): Declaration changed.
* cfglayout.c (copy_bbs): Add argument after. Pass it to
duplicate_block.
* cfglayout.h (copy_bbs): Declaration changed.
* cfgloop.h (loop_version): Declaration changed.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
position to copy_bbs.
(loop_version): Pass position to duplicate_loop_to_header_edge.
Add place_after argument and position new blocks according to
it.
* modulo-sched.c (sms_schedule): Pass place_after argument
to loop_version.
* tracer.c (tail_duplicate): Pass argument to duplicate_block.
* tree-cfg.c (split_edge_bb_loc): New function.
(tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
to determine position of new blocks.
* tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
to loop_version.
* tree-ssa-threadupdate.c (create_block_for_threading): Pass
argument to duplicate_block.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
Pass position to copy_bbs.
From-SVN: r103437
|
|
letters at start of diagnostics.
* bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
config/stormy16/stormy16.c, config/v850/v850.c,
config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
Avoid "." or "\n" at end of diagnostics and capital letters at
start of diagnostics.
* combine.c, cse.c: Don't translate dump file output.
* toplev.c (print_version): Only translate output if going to
stderr.
From-SVN: r101561
|
|
From-SVN: r101317
|
|
global_live_at_end from ...
* basic-block.h (rtl_bb_info): Break out head_, end_,
global_live_at_start, global_live_at_end from ...
(basic_block_def): ... here; update all references
(BB_RTL): New flag.
(init_rtl_bb_info): Declare.
* cfgexpand.c (expand_gimple_basic_block): Init bb info, set BB_RTL
flag.
* cfgrtl.c: Include ggc.h
(create_basic_block_structure): Init bb info.
(rtl_verify_flow_info_1): Check BB_RTL flag and rtl_bb_info pointer.
(init_rtl_bb_info): New function.
(rtl_merge_block, cfglayout_merge_block): Copy global_live_at_end here.
* cfghooks.c (merge_block): Do not copy global_live_at_end here.
* cfg.c (clear_bb_flags): Skip BB_RTL flag.
(dump_flow_info): Gueard global_live_* dumping.
From-SVN: r101082
|
|
* Makefile.in (cfg.o): Add new dependencies.
* basic-block.h (reorder_block_def): Kill
original/copy/duplicated/copy_number fields.
(BB_DUPLICATED): New flag.
(initialize_original_copy_tables, free_original_copy_tables,
set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New.
* cfg.c: Include hashtab.h and alloc-pool.h
(bb_original, bb_copy, original_copy_bb_pool): New static vars.
(htab_bb_copy_original_entry): New struct.
(bb_copy_original_hash, bb_copy_original_eq): New static functions.
(initialize_original_copy_tables, free_original_copy_tables,
set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New
global functions.
* cfghooks.c (duplicate_block): Update original/copy handling.
* cfglayout.c (fixup_reorder_chain): Likewise.
(cfg_layout_initialize): Initialize orignal_copy tables.
(cfg_layout_finalize): FInalize original_copy tables.
(can_copy_bbs_p): Use BB_DUPLICATED flag.
(copy_bbs): Likewise.
* cfgloopmanip.c (update-single_exits_after_duplication): Likewise.
(duplicate_loop_to_header_edge): Likewise; update handling of
copy_number.
(loop_version): Likewise.
* dominance.c (get_dominated_by_region): Use BB_DUPLICATED_FLAG.
* except.c (expand_resx_expr): Check that reg->resume is not set.
* loop-unroll.c (unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, apply_opt_in_copies): Update
copy/original handling.
* loop-unwitch.c (unswitch_loop): Likewise.
* tree-cfg.c (create_bb): Do not initialize RBI.
(disband_implicit_edges): Do not kill RBI.
(add_phi_args_after_copy_bb): Use new original/copy mapping.
(add_phi_args_after_copy): Use BB_DUPLICATED flag.
(tree_duplicate_sese_region): Update original/copy handling.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
* tree-ssa-loop-manip.c (copy_phi_node_args): Likewise.
* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Likewise.
From-SVN: r101000
|
|
* c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
tree-ssa-operands.c, tree-vect-analyze.c,
tree-vect-transform.c, tree-vectorizer.c, tree.c,
config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
config/sh/ushmedia.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
typos. Follow spelling conventions.
* doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
Follow spelling conventions.
From-SVN: r100218
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* cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
Fix comment typos.
From-SVN: r97490
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2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
* cfghooks.c (lv_flush_pending_stmts,
cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
* cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
lv_add_condition_to_bb,
lv_adjust_loop_header_phi, extract_cond_bb_edges,
flush_pending_stmts): New in cfg_hooks structure.
(cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
extract_cond_bb_edges, lv_adjust_loop_header_phi,
lv_add_condition_to_bb): New declarations.
* cfgloop.h (duplicate_loop_to_header_edge): Change return type to
bool.
(loop_version): Declare.
* cfgloopmanip.c (cfghooks.h): Include.
(duplicate_loop_to_header_edge): Change return type to bool.
(loop_version, lv_adjust_loop_entry_edge): Move here.
* cfgrtl.c (cfgloop.h): Include.
(rtl_verify_flow_info_1): Fix.
(rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
(rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
initialization.
* tree-cfg.c (tree_lv_adjust_loop_header_phi,
tree_lv_add_condition_to_bb): New.
(tree_cfg_hooks): Add new hooks to initialization.
* tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
From-SVN: r97481
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* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
single_pred_edge, single_succ, single_pred): New inline functions.
* bb-reorder.c (rotate_loop, find_traces_1_round,
add_labels_and_missing_jumps, fix_up_fall_thru_edges,
duplicate_computed_gotos): Use the single_succ/pred functions.
* cfganal.c (forwarder_block_p): Ditto.
* cfgbuild.c (compute_outgoing_frequencies): Ditto.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
merge_seq_blocks): Ditto.
* cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* cfgloop.c (mark_single_exit_loops, update_latch_info,
canonicalize_loop_headers, verify_loop_structure): Ditto.
* cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
mfb_update_loops, create_preheader, force_single_succ_latches,
create_loop_notes): Ditto.
* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
commit_one_edge_insertion, purge_dead_edges,
cfg_layout_can_merge_blocks_p): Ditto.
* except.c (sjlj_emit_function_enter): Ditto.
* flow.c (init_propagate_block_info): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (find_implicit_sets, bypass_conditional_jumps,
insert_insn_end_bb): Ditto.
* ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
find_if_case_2): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* lcm.c (optimize_mode_switching): Ditto.
* loop-doloop.c (doloop_modify): Ditto.
* loop-init.c (loop_optimizer_init): Ditto.
* loop-iv.c (simplify_using_initial_values): Ditto.
* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
* loop-unswitch.c (unswitch_loop): Ditto.
* modulo-sched.c (generate_prolog_epilog): Ditto.
* predict.c (combine_predictions_for_insn, estimate_probability,
tree_estimate_probability, last_basic_block_p,
estimate_bb_frequencies): Ditto.
* profile.c (branch_prob): Ditto.
* regrename.c (copyprop_hardreg_forward): Ditto.
* sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
* tracer.c (layout_superblocks): Ditto.
* tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
cfg_remove_useless_stmts_bb, cleanup_control_flow,
cleanup_control_expr_graph, disband_implicit_edges,
tree_find_edge_insert_loc, bsi_commit_edge_inserts,
tree_verify_flow_info, tree_make_forwarder_block,
tree_forwarder_block_p, remove_forwarder_block,
remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
* tree-if-conv.c (tree_if_conversion): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* tree-ssa-dce.c (remove_dead_stmt): Ditto.
* tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
copy_loop_headers): Ditto.
* tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
* tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
* tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
* tree-ssa-threadupdate.c (redirect_edges): Ditto.
* tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
* tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
slpeel_add_loop_guard): Ditto.
From-SVN: r96292
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* c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
copyright.
From-SVN: r96100
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|
* cfghooks.c (verify_flow_info): Remove local variable
num_bb_notes.
From-SVN: r96024
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* cfg.c (unchecked_make_edge): Call execute_on_growing_pred
after making an edge.
(remove_edge): Call execute_on_shrinking_pred before removing
an edge.
(redirect_edge_succ): Call execute_on_growing_pred and
execute_on_shrinking_pred.
* cfghooks.c (execute_on_growing_pred): New.
(execute_on_shrinking_pred): Likewise.
* cfghooks.h (cfg_hooks): Add execute_on_growing_pred and
execute_on_shrinking_pred.
Add prototypes for execute_on_growing_pred and
execute_on_shrinking_pred.
* cfgrtl.c (rtl_cfg_hooks): Add NULL hooks to
execute_on_growing_pred and execute_on_shrinking_pred.
(cfg_layout_rtl_cfg_hook): Likewise.
* tree-cfg.c (tree_cfg_hooks): Likewise.
From-SVN: r91035
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* cfg.c (cached_make_edge): Use find_edge rather than an inlined
variant.
* cfgbuild.c (make_edges): Likewise.
* cfghooks.c (can_duplicate_block_p): Likewise.
* cfgloop.c (loop_latch_edge): Likewise.
* cfgloopmanip.c (force_single_succ_latches): Likewise.
* cfgrtl.c (rtl_flow_call_edges_add): Likewise.
* predict.c (predict_loops, propagate_freq): Likewise.
* tracer.c (tail_duplicate): Likewise.
* tree-cfg.c (disband_implicit_edges): Likewise.
(tree_forwarder_block_p, tree_flow_call_edges_add): Likewise.
From-SVN: r91019
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* basic-block.h (edge_def): Add dest_idx.
* cfg.c (unchecked_make_edge): Initialize dest_idx.
(remove_edge): Simplify the disconnection of an edge from its
destination.
(redirect_edge_succ): Likewise.
* cfghooks.c (verify_flow_info): Check the consistency of
dest_idx for each edge.
From-SVN: r90958
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* cfghooks.c (delete_basic_block): Remove code to truncate
edge vectors.
From-SVN: r90081
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PR tree-optimization/17766
* basic-block.h (enum dom_state): DOM_CONS_OK removed.
(dom_info_available_p): Declare.
* cfghooks.c (split_block, make_forwarder_block): Use
dom_info_available_p.
* dominance.c (compute_dom_fast_query, calculate_dominance_info,
free_dominance_info, verify_dominators): Ditto.
(dom_info_available_p): New function.
* tree-cfg.c (cleanup_control_expr_graph): Free dominance information.
(thread_jumps): Use dom_info_available_p.
* tree-complex.c (expand_complex_div_wide): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
From-SVN: r89147
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cfgloop.c:1491 , works -O2, breaks with -O3)
PR tree-optimization/17806
* cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
* cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
flags moved to split_edge.
From-SVN: r88665
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outgoing edges be left in the duplicate block.
* tree-ssa-threadupdate.c (create_block_for_threading): Request
that no outgoing edges be left in the duplicate block. Do no
update information on outgoing edges or PHI nodes in target
blocks here.
(remove_ctrl_stmt_and_useless_edges): Renamed from
remove_last_stmt_and_useless_edges. Handle case where the
block is empty or has no control statements. Do not update edge
flags here.
(thread_block): Create a template block rather than copying the
original block every time. Create outgoing edges from the
duplicate blocks and update PHIs at the target of the outgoing
edges here. Fix edge flags for the original block if necessary.
* cfghooks (duplicate_block): No longer assert that the original
block has incoming edges.
From-SVN: r88267
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2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
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gcc_unreachable.
* cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
or gcc_unreachable.
* cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
alloc_aux_for_edges, free_aux_for_edges): Likewise.
* cfgcleanup.c (try_forward_edges,
merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps): Likewise.
* cfgexpand.c (expand_gimple_cond_expr,
expand_gimple_tailcall): Likewise.
* cfghooks.c (duplicate_block): Likewise.
* cfglayout.c (record_effective_endpoints,
insn_locators_initialize, change_scope, fixup_reorder_chain,
verify_insn_chain, fixup_fallthru_exit_predecessor,
duplicate_insn_chain, cfg_layout_finalize): Likewise.
* cfgloopanal.c (check_irred): Likewise.
* cfgloop.c (superloop_at_depth, flow_loops_free,
flow_loop_entry_edges_find, flow_loops_find,
flow_loop_outside_edge_p, get_loop_body,
get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
get_loop_exit_edges, num_loop_branches, cancel_loop,
verify_loop_structure): Likewise.
cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
duplicate_loop_to_header_edge, create_preheader,
create_loop_notes): Likewise.
* cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
edirect_branch_edge, force_nonfallthru_and_redirect,
rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
commit_edge_insertions, commit_edge_insertions_watch_calls,
purge_dead_edges, cfg_layout_redirect_edge_and_branch,
cfg_layout_redirect_edge_and_branch_force,
cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
* cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
cgraph_varpool_node): Likewise.
* cgraphunit.c (cgraph_finalize_function,
cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
cgraph_expand_function, cgraph_remove_unreachable_nodes,
cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
cgraph_mark_inline, cgraph_expand_all_functions,
cgraph_build_static_cdtor): Likewise.
* combine.c (do_SUBST, try_combine, subst, combine_simplify_rtx,
simplify_logical, distribute_notes, insn_cuid): Likewise.
* conflict.c (conflict_graph_add, print_conflict): Likewise.
* coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
coverage_checksum_string): Likewise.
* cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
cse_cc_succs, cse_condition_code_reg): Likewise.
* cselib.c (entry_and_rtx_equal_p, remove_useless_values,
rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
cselib_record_set): Likewise.
From-SVN: r87145
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redirecting back edges.
* cfghooks.c (make_forwarder_block): Decrement count on fallthru edge
when redirecting back edges.
* cfghooks.c (split_block): Call make_single_succ_edge so that edge
count/probability are set correctly.
From-SVN: r83537
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From-SVN: r81764
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2004-04-09 Caroline Tice <ctice@apple.com>
* basic-block.h (struct edge_def): Add new field, crossing_edge.
(struct basic_block_def): Add new field, partition.
(UNPARTITIONED, HOT_PARTITION, COLD_PARTITION): New constant macro
definitions.
(partition_hot_cold_basic_blocks): Add extern function
declaration.
* bb-reorder.c (function.h, obstack.h, expr.h, regs.h): Add four new
include statements.
(N_ROUNDS): Increase the maximum number of rounds by 1.
(branch_threshold): Add array value for new round.
(exec_threshold): Add array value for new round.
(push_to_next_round_p): New function.
(add_unlikely_executed_notes): New function.
(find_rarely_executed_basic_blocks_and_crossing_edges): New function.
(mark_bb_for_unlikely_executed_section): New function.
(add_labels_and_missing_jumps): New function.
(add_reg_crossing_jump_notes): New function.
(fix_up_fall_thru_edges): New function.
(find_jump_block): New function.
(fix_crossing_conditional_branches): New function.
(fix_crossing_unconditional_branches): New function.
(fix_edges_for_rarely_executed_code): New function.
(partition_hot_cold_basic_blocks): New function.
(find_traces): Add an extra round for partitioning hot/cold
basic blocks.
(find_traces_1_round): Add a parameter. Modify to push all cold blocks,
and only cold blocks, into the last (extra) round of collecting traces.
(better_edge_p): Add a parameter. Modify to favor non-crossing edges
over crossing edges.
(bb_to_key): Add code to correctly identify cold blocks when
doing partitioning.
(connect_traces): Modify to connect all the non-cold traces first, then
go back and connect up all the cold traces.
(reorder_basic_blocks): Add call to add_unlikely_executed_notes.
* cfg.c (entry_exit_blocks): Add initialization for partition field in
entry and exit blocks.
* cfgbuild.c (make_edges): Update current_function_has_computed_jump
if we are doing hot/cold partitioning.
* cfgcleanup.c (cfglayout.h): Add new include statement.
(try_simplify_condjump): Modify to not attempt on blocks with jumps
that cross section boundaries.
(try_forward_edges): Likewise.
(merge_blocks_move_predecessor_nojumps): Likewise.
(merge_blocks_move_successor_nojumps): Likewise.
(merge_blocks_move): Likewise.
(try_crossjump_to_edge): Modify to not attempt after we have done
the block partitioning.
(try_crossjump_bb): Modify to not attempt on blocks with jumps that
cross section boundaries.
(try_optimize_cfg): Likewise.
* cfghooks.c (tidy_fallthru_edges): Modify to not remove indirect
jumps that cross section boundaries.
* cfglayout.c (flags.h): Add new include statement.
(update_unlikely_executed_notes): New function.
(fixup_reorder_chain): Add code so when a new jumping basic block is
added, it's UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes are
updated appropriately.
(duplicate_insn_chain): Add code to duplicate the new NOTE insn
introduced by this optimization.
* cfglayout.h (scan_ahead_for_unlikely_executed_note): Add new
extern function declaration.
* cfgrtl.c (can_delete_note_p): Add NOTE_INSN_UNLIKELY_EXECUTED_CODE to
list of notes that can be deleted.
(create_basic_block_structure): Add initialization for partition field.
(rtl_can_merge_blocks): Modify to test blocks for jumps that cross
section boundaries.
(try_redirect_by_replacing_jump): Modify to not attempt on jumps that
cross section boundaries.
(commit_one_edge_insertion): Add code so newly created basic block
ends up in correct (hot or cold) section. Modify to disallow
insertions before NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
(rtl_verify_flow_info_1): Add code to verify that no fall_thru edge
crosses section boundaries.
(cfg_layout_can_merge_blocks_p): Modify to test blocks for jumps that
cross section boundaries.
(force_nonfallthru_and_redirect): Modify to make sure new basic block
ends up in correct section, with correct notes attached.
* common.opt (freorder-blocks-and-partition): Add new flag for this
optimization.
* dbxout.c (dbx_function_end): Add code to make sure scope labels at
the end of functions are written into the correct (hot or cold)
section.
(dbx_source_file): Add code so writing debug file information
doesn't incorrectly change sections.
* defaults.h (NORMAL_TEXT_SECTION_NAME): New constant macro, for use
in partitioning hot/cold basic blocks into separate sections.
(SECTION_FORMAT_STRING): New constant macro, for linux/i386 hot/cold
section partitioning.
(HAS_LONG_COND_BRANCH): New constant macro, indicating whether or not
conditional branches can span all of memory.
(HAS_LONG_UNCOND_BRANCH): New constant macro, indicationg whether or not
unconditional branches can span all of memory.
* final.c (scan_ahead_for_unlikely_executed_note): New function.
(final_scan_insn): Add code to check for NOTE instruction indicating
whether basic block belongs in hot or cold section, and to make sure
the current basic block is being written to the appropriate section.
Also added code to ensure that jump table basic blocks end up in the
correct section.
* flags.h (flag_reorder_blocks_and_partition): New flag.
* ifcvt.c (find_if_case_1): Modify to not attempt if conversion if
one of the branches has a jump that crosses between sections.
(find_if_case_2): Likewise.
(ifcvt): Modify to not attempt to mark loop exit edges after
hot/cold partitioning has occurred.
* opts.c (decode_options): Code to handle new flag,
flag_reorder_blocks_and_partition; also to turn it off if
flag_exceptions is on.
(common_handle_option): Code to handle new flag,
flag_reorder_blocks_and_partition.
* output.h (unlikely_text_section): New extern function declaration.
(in_unlikely_text_section): New extern function declaration.
* passes.c (rest_of_handle_stack_regs): Add
flag_reorder_blocks_and_partition as an 'or' condition for calling
reorder_basic_blocks.
(rest_of_handle_reorder_blocks): Add flag_reorder_blocks_and_partition
as an 'or' condition for calling reorder_basic_blocks.
(rest_of_compilation): Add call to partition_hot_cold_basic_blocks.
* print-rtl.c (print_rtx): Add code for handling new note,
NOTE_INSN_UNLIKELY_EXECUTED_CODE
* rtl.c (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note insn (see below).
(REG_CROSSING_JUMP): New kind of reg_note, to mark jumps that
cross between section boundaries.
* rtl.h (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note instruction,
indicating the basic block containing it belongs in the cold section.
(REG_CROSSING_JUMP): New type of reg_note, to mark jumps that cross
between hot and cold sections.
* toplev.c (flag_reorder_blocks_and_partition): Add code to
initialize this flag, and to tie it to the command-line option
freorder-blocks-and-partition.
* varasm.c (cfglayout.h): Add new include statement.
(unlikely_section_label_printed): New global variable, used for
determining when to output section name labels for cold sections.
(in_section): Add in_unlikely_executed_text to enum data structure.
(text_section): Modify code to use SECTION_FORMAT_STRING and
NORMAL_TEXT_SECTION_NAME macros.
(unlikely_text_section): New function.
(in_unlikely_text_section): New function.
(function_section): Add code to make sure beginning of function is
written into correct section (hot or cold).
(assemble_start_function): Add code to make sure stuff is written to
the correct section.
(assemble_zeros): Add in_unlikely_text_section as an 'or' condition
to an if statement that was checking 'in_text_section'.
(assemble_variable): Add 'in_unlikely_text_section' as an 'or'
condition to an if statement that was checking 'in_text_section'.
(default_section_type_flags_1): Add check: if in cold section
flags = SECTION_CODE.
* config/darwin.c (darwin_asm_named_section): Modify to use
SECTION_FORMAT_STRING if we are partitioning hot/cold blocks.
* config/i386/i386.h (HAS_LONG_COND_BRANCH): Defined this macro
specifically for the i386.
(HAS_LONG_UNCOND_BRANCH): Defined this macro specifically for the i386.
* config/rs6000/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Change
text string to something more informative.
(NORMAL_TEXT_SECTION_NAME): Add new definition.
(SECTION_FORMAT_STRING): Add new definition.
* config/rs6000/rs6000.c (rs6000_assemble_integer): Add
'!in_unlikely_text_section' as an 'and' condition to an if statement
that was already checking '!in_text_section'.
* config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME,NORMAL_TEXT_SECTION_NAME,
UNLIKELY_EXECUTED_TEXT_SECTION_NAME,SECTION_FORMAT_STRING): Make
sure these are properly defined for linux on ppc.
* doc/invoke.texi (freorder-blocks-and-partition): Add documentation
for this new flag.
* doc/rtl.texi (REG_CROSSING_JUMP): Add documentation for new
reg_note.
* doc/tm.texi (NORMAL_TEXT_SECTION_NAME, SECTION_FORMAT_STRING,
HAS_LONG_COND_BRANCH, HAS_LONG_UNCOND_BRANCH): Add documentation for
these new macros.
From-SVN: r80564
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* bt-load.c, builtins.c, cfghooks.c, cfgrtl.c, gcse.c,
ggc-page.c, integrate.c, var-tracking.c, web.c: Remove
unnecessary casts.
From-SVN: r79811
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* c-common.c, cfghooks.c, rtlanal.c, varasm.c: Fix comment
typos.
From-SVN: r77995
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From-SVN: r77973
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cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h,
flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h,
ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def,
tree-optimize.c, vmsdbgout.c, config/fp-bit.c,
config/alpha/alpha.c, config/alpha/alpha.h,
config/alpha/alpha.md, config/alpha/unicosmk.h,
config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c,
config/c4x/c4x-protos.h, config/c4x/c4x.md,
config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c,
config/frv/frvend.c, config/i386/cygming.h,
config/i386/djgpp.h, config/i386/emmintrin.h,
config/i386/gthr-win32.c, config/i386/i386-interix.h,
config/i386/i386-protos.h, config/i386/openbsd.h,
config/i386/winnt.c, config/i386/xm-mingw32.h,
config/i386/xmmintrin.h, config/ia64/ia64.md,
config/iq2000/iq2000.md, config/m32r/m32r.md,
config/m68k/m68k.md, config/mcore/mcore-elf.h,
config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h,
config/mips/iris5gas.h, config/mips/iris6.h,
config/mips/iris6gas.h, config/mips/linux.h,
config/mips/mips.md, config/mips/netbsd.h,
config/mips/openbsd.h, config/mips/windiss.h,
config/pa/fptr.c, config/rs6000/aix.h,
config/rs6000/altivec.h, config/rs6000/darwin.h,
config/rs6000/xcoff.h, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h,
config/sparc/sol2.h: Update copyright.
From-SVN: r77018
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