| Commit message (Collapse) | Author | Age | Files | Lines |
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* cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
bounds with LT_EXPR to make niter analysis more precise on code
generated by Graphite.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151180 138bc75d-0d04-0410-961f-82ee72b054a4
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2009-07-30 Sebastian Pop <sebastian.pop@amd.com>
* cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
* cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
basic block empty.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@150293 138bc75d-0d04-0410-961f-82ee72b054a4
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* cfgloopmanip.c (remove_path): Call remove_bbs after
cancel_loop_tree, not before it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@144066 138bc75d-0d04-0410-961f-82ee72b054a4
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Tobias Grosser <grosser@fim.uni-passau.de>
Jan Sjodin <jan.sjodin@amd.com>
Harsha Jagasia <harsha.jagasia@amd.com>
Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
Konrad Trifunovic <konrad.trifunovic@inria.fr>
Adrien Eliche <aeliche@isty.uvsq.fr>
Merge from graphite branch.
* configure: Regenerate.
* Makefile.in: Regenerate.
* configure.ac (host_libs): Add ppl and cloog.
Add checks for PPL and CLooG.
* Makefile.def (ppl, cloog): Added modules and dependences.
* Makefile.tpl (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): New.
(HOST_PPLLIBS, HOST_PPLINC, HOST_CLOOGLIBS, HOST_CLOOGINC): New.
gcc/
* graphite.c: New.
* graphite.h: New.
* tree-loop-linear.c (perfect_loop_nest_depth): Export.
* doc/invoke.texi (-floop-block, -floop-interchange,
-floop-strip-mine): Document new flags.
* tree-into-ssa.c (gimple_vec): Moved...
* tree-loop-distribution.c (rdg_component): Moved...
* cfgloopmanip.c: Include tree-flow.h.
(update_dominators_in_loop): New.
(create_empty_if_region_on_edge): New.
(create_empty_loop_on_edge): New.
(loopify): Use update_dominators_in_loop.
* tree-pass.h (pass_graphite_transforms): Declared.
* configure: Regenerate.
* tree-phinodes.c (make_phi_node): Export.
(add_phi_node_to_bb): New, split from create_phi_node.
* tree-chrec.c (for_each_scev_op): New.
* tree-chrec.h (for_each_scev_op): Declared.
* tree-ssa-loop-ivopts.c (get_phi_with_result): New.
(remove_statement): Call get_phi_with_result.
* config.in (HAVE_cloog): Undef.
* gdbinit.in (pgg): New.
* timevar.def (TV_GRAPHITE_TRANSFORMS): New.
* tree-ssa-loop.c (graphite_transforms): New.
(gate_graphite_transforms): New.
(pass_graphite_transforms): New.
* configure.ac (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC,
HAVE_cloog): Defined.
* tree-vectorizer.c (rename_variables_in_bb): Export.
* tree-data-ref.c (dr_may_alias_p): Export.
(stmt_simple_memref_p): New.
(find_data_references_in_stmt): Export.
(find_data_references_in_loop): Export.
(create_rdg_edge_for_ddr): Initialize RDGE_RELATION.
(create_rdg_edges_for_scalar): Initialize RDGE_RELATION.
(create_rdg_vertices): Export.
(build_empty_rdg): New.
(build_rdg): Call build_empty_rdg. Free dependence_relations.
* tree-data-ref.h (rdg_component): ... here.
(scop_p): New.
(struct data_reference): Add a field scop.
(DR_SCOP): New.
(find_data_references_in_loop): Declared.
(find_data_references_in_stmt): Declared.
(create_rdg_vertices): Declared.
(dr_may_alias_p): Declared.
(stmt_simple_memref_p): Declared.
(struct rdg_edge): Add a field ddr_p relation.
(build_empty_rdg): Declared.
* lambda.h (lambda_matrix): Declare a VEC of.
(find_induction_var_from_exit_cond): Declared.
(lambda_vector_compare): New.
* common.opt (fgraphite, floop-strip-mine,
floop-interchange, floop-block): New flags.
* lambda-code.c (find_induction_var_from_exit_cond): Export.
* cfgloop.c (is_loop_exit): New.
* cfgloop.h (is_loop_exit): Declared.
(create_empty_if_region_on_edge): Declared.
(create_empty_loop_on_edge): Declared.
* tree-flow.h (add_phi_node_to_bb): Declared.
(make_phi_node): Declared.
(rename_variables_in_bb): Declared.
(perfect_loop_nest_depth): Declared.
(graphite_transform_loops): Declared.
* Makefile.in (cfgloopmanip.o): Depend on TREE_FLOW_H.
(graphite.o-warn): Add -Wno-error.
(PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): Declared.
(LIBS): Add GMPLIBS, CLOOGLIBS, PPLLIBS.
(INCLUDES): Add PPLINC, CLOOGINC.
(OBJS-common): Add graphite.o.
(graphite.o): Add rule.
* gimple.h (gimple_vec): ... here.
* tree-cfg.c (print_loops): Start printing at ENTRY_BLOCK_PTR.
* passes.c (init_optimization_passes): Schedule
pass_graphite_transforms.
testsuite/
* gcc.dg/graphite/scop-{0,1,2,3,4,5,6,7,8,9,
10,11,12,13,14,15,16,17,18}.c: New.
* gcc.dg/graphite/graphite.exp: New.
* gcc.dg/graphite/scop-matmult.c: New.
* gcc.dg/graphite/block-0.c: New.
* lib/target-supports.exp (check_effective_target_fgraphite): New.
* gfortran.dg/graphite/block-1.f90: New.
* gfortran.dg/graphite/scop-{1,2}.f: New.
* gfortran.dg/graphite/block-{1,3,4}.f90: New.
* gfortran.dg/graphite/graphite.exp: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139893 138bc75d-0d04-0410-961f-82ee72b054a4
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Dmitry Melnik <dm@ispras.ru>
Dmitry Zhurikhin <zhur@ispras.ru>
Alexander Monakov <amonakov@ispras.ru>
Maxim Kuvyrkov <maxim@codesourcery.com>
* sel-sched.h, sel-sched-dump.h, sel-sched-ir.h, sel-sched.c,
sel-sched-dump.c, sel-sched-ir.c: New files.
* Makefile.in (OBJS-common): Add selective scheduling object
files.
(sel-sched.o, sel-sched-dump.o, sel-sched-ir.o): New entries.
(SEL_SCHED_IR_H, SEL_SCHED_DUMP_H): New entries.
(sched-vis.o): Add dependency on $(INSN_ATTR_H).
* cfghooks.h (get_cfg_hooks, set_cfg_hooks): New prototypes.
* cfghooks.c (get_cfg_hooks, set_cfg_hooks): New functions.
(make_forwarder_block): Update loop latch if we have redirected
the loop latch edge.
* cfgloop.c (get_loop_body_in_custom_order): New function.
* cfgloop.h (LOOPS_HAVE_FALLTHRU_PREHEADERS): New enum field.
(CP_FALLTHRU_PREHEADERS): Likewise.
(get_loop_body_in_custom_order): Declare.
* cfgloopmanip.c (has_preds_from_loop): New.
(create_preheader): Honor CP_FALLTHRU_PREHEADERS.
Assert that the preheader edge will be fall thru when it is set.
* common.opt (fsel-sched-bookkeeping, fsel-sched-pipelining,
fsel-sched-pipelining-outer-loops, fsel-sched-renaming,
fsel-sched-substitution, fselective-scheduling): New flags.
* cse.c (hash_rtx_cb): New.
(hash_rtx): Use it.
* dbgcnt.def (sel_sched_cnt, sel_sched_region_cnt,
sel_sched_insn_cnt): New counters.
* final.c (compute_alignments): Export. Free dominance info after loop_optimizer_finalize.
* genattr.c (main): Output maximal_insn_latency prototype.
* genautomata.c (output_default_latencies): New. Factor its code from ...
(output_internal_insn_latency_func): ... here.
(output_internal_maximal_insn_latency_func): New.
(output_maximal_insn_latency_func): New.
* hard-reg-set.h (UHOST_BITS_PER_WIDE_INT): Define unconditionally.
(struct hard_reg_set_iterator): New.
(hard_reg_set_iter_init, hard_reg_set_iter_set,
hard_reg_set_iter_next): New functions.
(EXECUTE_IF_SET_IN_HARD_REG_SET): New macro.
* lists.c (remove_free_INSN_LIST_node,
remove_free_EXPR_LIST_node): New functions.
* loop-init.c (loop_optimizer_init): When LOOPS_HAVE_FALLTHRU_PREHEADERS,
set CP_FALLTHRU_PREHEADERS when calling create_preheaders.
(loop_optimizer_finalize): Do not verify flow info after reload.
* recog.c (validate_replace_rtx_1): New parameter simplify.
Default it to true. Update all uses. Factor out simplifying
code to ...
(simplify_while_replacing): ... this new function.
(validate_replace_rtx_part,
validate_replace_rtx_part_nosimplify): New.
* recog.h (validate_replace_rtx_part,
validate_replace_rtx_part_nosimplify): Declare.
* rtl.c (rtx_equal_p_cb): New.
(rtx_equal_p): Use it.
* rtl.h (rtx_equal_p_cb, hash_rtx_cb): Declare.
(remove_free_INSN_LIST_NODE, remove_free_EXPR_LIST_node,
debug_bb_n_slim, debug_bb_slim, print_rtl_slim): Likewise.
* vecprim.h: Add a vector type for unsigned int.
* haifa-sched.c: Include vecprim.h and cfgloop.h.
(issue_rate, sched_verbose_param, note_list, dfa_state_size,
ready_try, cycle_issued_insns, spec_info): Make global.
(readyp): Initialize.
(dfa_lookahead): New global variable.
(old_max_uid, old_last_basic_block): Remove.
(h_i_d): Make it a vector.
(INSN_TICK, INTER_TICK, QUEUE_INDEX, INSN_COST): Make them work
through HID macro.
(after_recovery, adding_bb_to_current_region_p):
New variables to handle correct insertion of the recovery code.
(struct ready_list): Move declaration to sched-int.h.
(rgn_n_insns): Removed.
(rtx_vec_t): Move to sched-int.h.
(find_insn_reg_weight): Remove.
(find_insn_reg_weight1): Rename to find_insn_reg_weight.
(haifa_init_h_i_d, haifa_finish_h_i_d):
New functions to initialize / finalize haifa instruction data.
(extend_h_i_d, init_h_i_d): Rewrite.
(unlink_other_notes): Move logic to add_to_note_list. Handle
selective scheduler.
(ready_lastpos, ready_element, ready_sort, reemit_notes,
find_fallthru_edge): Make global, remove static prototypes.
(max_issue): Make global. Add privileged_n and state parameters. Use
them.
(extend_global, extend_all): Removed.
(init_before_recovery): Add new param. Fix the handling of the case
when we insert a recovery code before the EXIT which has a predecessor
with a fallthrough edge to it.
(create_recovery_block): Make global. Rename to
sched_create_recovery_block. Update.
(change_pattern): Rename to sched_change_pattern. Make global.
(speculate_insn): Rename to sched_speculate_insn. Make global.
Split haifa-specific functionality into ...
(haifa_change_pattern): New static function.
(sched_extend_bb): New static function.
(sched_init_bbs): New function.
(current_sched_info): Change type to struct haifa_sched_info.
(insn_cost): Adjust for selective scheduling.
(dep_cost_1): New function. Move logic from ...
(dep_cost): ... here.
(dep_cost): Use dep_cost_1.
(contributes_to_priority_p): Use sched_deps_info instead of
current_sched_info.
(priority): Adjust to work with selective scheduling. Process the
corner case when all dependencies don't contribute to priority.
(rank_for_schedule): Use ds_weak instead of dep_weak.
(advance_state): New function. Move logic from ...
(advance_one_cycle): ... here.
(add_to_note_list, concat_note_lists): New functions.
(rm_other_notes): Make static. Adjust for selective scheduling.
(remove_notes, restore_other_notes): New functions.
(move_insn): Add two arguments. Update assert. Don't call
reemit_notes.
(choose_ready): Remove lookahead variable, use dfa_lookahead.
Remove more_issue, max_points. Move the code to initialize
max_lookahead_tries to max_issue.
(schedule_block): Remove rgn_n_insns1 parameter. Don't allocate
ready. Adjust use of move_insn. Call restore_other_notes.
(luid): Remove.
(sched_init, sched_finish): Move Haifa-specific initialization/
finalization to ...
(haifa_sched_init, haifa_sched_finish): ... respectively.
New functions.
(setup_sched_dump): New function.
(haifa_init_only_bb): New static function.
(haifa_speculate_insn): New static function.
(try_ready): Use haifa_* instead of speculate_insn and
change_pattern.
(extend_ready, extend_all): Remove.
(sched_extend_ready_list, sched_finish_ready_list): New functions.
(create_check_block_twin, add_to_speculative_block): Use
haifa_insns_init instead of extend_global. Update to use new
initialization functions. Change parameter. Factor out code from
create_check_block_twin to ...
(sched_create_recovery_edges) ... this new function.
(add_block): Remove.
(sched_scan_info): New.
(extend_bb): Use sched_scan_info.
(init_bb, extend_insn, init_insn, init_insns_in_bb, sched_scan): New
static functions for walking through scheduling region.
(sched_luids): New vector variable to replace uid_to_luid.
(luids_extend_insn): New function.
(sched_max_luid): New variable.
(luids_init_insn): New function.
(sched_init_luids, sched_finish_luids): New functions.
(insn_luid): New debug function.
(sched_extend_target): New function.
(haifa_init_insn): New static function.
(sched_init_only_bb): New hook.
(sched_split_block): New hook.
(sched_split_block_1): New function.
(sched_create_empty_bb): New hook.
(sched_create_empty_bb_1): New function.
(common_sched_info, ready): New global variables.
(current_sched_info_var): Remove.
(move_block_after_check): Use common_sched_info.
(haifa_luid_for_non_insn): New static function.
(init_before_recovery): Use haifa_init_only_bb instead of
add_block.
(increase_insn_priority): New.
* modulo-sched.c: (issue_rate): Remove static declaration.
(sms_sched_info): Change type to haifa_sched_info.
(sms_sched_deps_info, sms_common_sched_info): New variables.
(setup_sched_infos): New.
(sms_schedule): Initialize them. Call haifa_sched_init/finish.
Do not call regstat_free_calls_crossed.
(sms_print_insn): Use const_rtx.
* params.def (PARAM_MAX_PIPELINE_REGION_BLOCKS,
PARAM_MAX_PIPELINE_REGION_INSNS, PARAM_SELSCHED_MAX_LOOKAHEAD,
PARAM_SELSCHED_MAX_SCHED_TIMES, PARAM_SELSCHED_INSNS_TO_RENAME,
PARAM_SCHED_MEM_TRUE_DEP_COST): New.
* sched-deps.c (sched_deps_info): New. Update all relevant uses of
current_sched_info to use it.
(enum reg_pending_barrier_mode): Move to sched-int.h.
(h_d_i_d): New variable. Initialize to NULL.
({true, output, anti, spec, forward}_dependency_cache): Initialize
to NULL.
(estimate_dep_weak): Remove static declaration.
(sched_has_condition_p): New function. Adjust users of
sched_get_condition to use it instead.
(conditions_mutex_p): Add arguments indicating which conditions are
reversed. Use them.
(sched_get_condition_with_rev): Rename from sched_get_condition. Add
argument to indicate whether returned condition is reversed. Do not
generate new rtx when condition should be reversed; indicate it by
setting new argument instead.
(add_dependence_list_and_free): Add deps parameter.
Update all users. Do not free dependence list when
deps context is readonly.
(add_insn_mem_dependence, flush_pending_lists): Adjust for readonly
contexts.
(remove_from_dependence_list, remove_from_both_dependence_lists): New.
(remove_from_deps): New. Use the above functions.
(cur_insn, can_start_lhs_rhs_p): New static variables.
(add_or_update_back_dep_1): Initialize present_dep_type.
(haifa_start_insn, haifa_finish_insn, haifa_note_reg_set,
haifa_note_reg_clobber, haifa_note_reg_use, haifa_note_mem_dep,
haifa_note_dep): New functions implementing dependence hooks for
the Haifa scheduler.
(note_reg_use, note_reg_set, note_reg_clobber, note_mem_dep,
note_dep): New functions.
(ds_to_dt, extend_deps_reg_info, maybe_extend_reg_info_p): New
functions.
(init_deps): Initialize last_reg_pending_barrier and deps->readonly.
(free_deps): Initialize deps->reg_last.
(sched_analyze_reg, sched_analyze_1, sched_analyze_2,
sched_analyze_insn): Update to use dependency hooks infrastructure
and readonly contexts.
(deps_analyze_insn): New function. Move part of logic from ...
(sched_analyze): ... here. Also move some logic to ...
(deps_start_bb): ... here. New function.
(add_forw_dep, delete_forw_dep): Guard use of INSN_DEP_COUNT with
sel_sched_p.
(sched_deps_init): New function. Move code from ...
(init_dependency_caches): ... here. Remove.
(init_deps_data_vector): New.
(sched_deps_finish): New function. Move code from ...
(free_dependency_caches): ... here. Remove.
(init_deps_global, finish_deps_global): Adjust for use with
selective scheduling.
(get_dep_weak): Move logic to ...
(get_dep_weak_1): New function.
(ds_merge): Move logic to ...
(ds_merge_1): New static function.
(ds_full_merge, ds_max_merge, ds_get_speculation_types): New functions.
(ds_get_max_dep_weak): New function.
* sched-ebb.c (sched_n_insns): Rename to sched_rgn_n_insns.
(n_insns): Rename to rgn_n_insns.
(debug_ebb_dependencies): New function.
(init_ready_list): Use it.
(begin_schedule_ready): Use sched_init_only_bb.
(ebb_print_insn): Indicate when an insn starts a new cycle.
(contributes_to_priority, compute_jump_reg_dependencies,
add_remove_insn, fix_recovery_cfg): Add ebb_ prefix to function names.
(add_block1): Remove to ebb_add_block.
(ebb_sched_deps_info, ebb_common_sched_info): New variables.
(schedule_ebb): Initialize them. Use remove_notes instead of
rm_other_notes. Use haifa_local_init/finish.
(schedule_ebbs): Use haifa_sched_init/finish.
* sched-int.h: Include vecprim.h, remove rtl.h.
(struct ready_list): Delete declaration.
(sched_verbose_param, enum sched_pass_id_t,
bb_vec_t, insn_vec_t, rtx_vec_t): New.
(struct sched_scan_info_def): New structure.
(sched_scan_info, sched_scan, sched_init_bbs,
sched_init_luids, sched_finish_luids, sched_extend_target,
haifa_init_h_i_d, haifa_finish_h_i_d): Declare.
(struct common_sched_info_def): New.
(common_sched_info, haifa_common_sched_info,
sched_emulate_haifa_p): Declare.
(sel_sched_p): New.
(sched_luids): Declare.
(INSN_LUID, LUID_BY_UID, SET_INSN_LUID): Declare.
(sched_max_luid, insn_luid): Declare.
(note_list, remove_notes, restore_other_notes, bb_note): Declare.
(sched_insns_init, sched_insns_finish, xrecalloc, reemit_notes,
print_insn, print_pattern, print_value, haifa_classify_insn,
sel_find_rgns, sel_mark_hard_insn, dfa_state_size, advance_state,
setup_sched_dump, sched_init, sched_finish,
sel_insn_is_speculation_check): Export.
(struct ready_list): Move from haifa-sched.c.
(ready_try, ready, max_issue): Export.
(ebb_compute_jump_reg_dependencies, find_fallthru_edge,
sched_init_only_bb, sched_split_block, sched_split_block_1,
sched_create_empty_bb, sched_create_empty_bb_1,
sched_create_recovery_block, sched_create_recovery_edges): Export.
(enum reg_pending_barrier_mode): Export.
(struct deps): New fields `last_reg_pending_barrier' and `readonly'.
(deps_t): New.
(struct sched_info): Rename to haifa_sched_info. Use const_rtx for
print_insn field. Move add_block and fix_recovery_cfg to
common_sched_info_def. Move compute_jump_reg_dependencies, use_cselib ...
(struct sched_deps_info_def): ... this new structure.
(sched_deps_info): Declare.
(struct spec_info_def): Remove weakness_cutoff, add
data_weakness_cutoff and control_weakness_cutoff.
(spec_info): Declare.
(struct _haifa_deps_insn_data): Split from haifa_insn_data. Add
dep_count field.
(struct haifa_insn_data): Rename to struct _haifa_insn_data.
(haifa_insn_data_def, haifa_insn_data_t): New typedefs.
(current_sched_info): Change type to struct haifa_sched_info.
(haifa_deps_insn_data_def, haifa_deps_insn_data_t): New typedefs.
(h_d_i_d): New variable.
(HDID): New accessor macro.
(h_i_d): Change type to VEC (haifa_insn_data_def, heap) *.
(HID): New accessor macro. Rewrite h_i_d accessor macros through HID
and HDID.
(IS_SPECULATION_CHECK_P): Update for selective scheduler.
(enum SCHED_FLAGS): Update for selective scheduler.
(enum SPEC_SCHED_FLAGS): New flag SEL_SCHED_SPEC_DONT_CHECK_CONTROL.
(init_dependency_caches, free_dependency_caches): Delete declarations.
(deps_analyze_insn, remove_from_deps, get_dep_weak_1,
estimate_dep_weak, ds_full_merge, ds_max_merge, ds_weak,
ds_get_speculation_types, ds_get_max_dep_weak, sched_deps_init,
sched_deps_finish, haifa_note_reg_set, haifa_note_reg_use,
haifa_note_reg_clobber, maybe_extend_reg_info_p, deps_start_bb,
ds_to_dt): Export.
(rm_other_notes): Delete declaration.
(schedule_block): Remove one argument.
(cycle_issued_insns, issue_rate, dfa_lookahead, ready_sort,
ready_element, ready_lastpos, sched_extend_ready_list,
sched_finish_ready_list, sched_change_pattern, sched_speculate_insn,
concat_note_lists): Export.
(struct region): Move from sched-rgn.h.
(nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
BLOCK_TO_BB, CONTAINING_RGN): Export.
(ebb_head, BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB, INSN_BB): Likewise.
(current_nr_blocks, current_blocks, target_bb): Likewise.
(dep_cost_1, sched_is_disabled_for_current_region_p, sched_rgn_init,
sched_rgn_finish, rgn_setup_region, sched_rgn_compute_dependencies,
sched_rgn_local_init, extend_regions,
rgn_make_new_region_out_of_new_block, compute_priorities,
debug_rgn_dependencies, free_rgn_deps, contributes_to_priority,
extend_rgns, deps_join rgn_setup_common_sched_info,
rgn_setup_sched_infos, debug_regions, debug_region, dump_region_dot,
dump_region_dot_file, haifa_sched_init, haifa_sched_finish): Export.
(get_rgn_sched_max_insns_priority, sel_add_to_insn_priority,
increase_insn_priority): Likewise.
* sched-rgn.c: Include sel-sched.h.
(ref_counts): New static variable. Use it ...
(INSN_REF_COUNT): ... here. Rewrite and move closer to uses.
(FED_BY_SPEC_LOAD, IS_LOAD_INSN): Rewrite to use HID accessor macro.
(sched_is_disabled_for_current_region_p): Delete static declaration.
(struct region): Move to sched-int.h.
(nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
ebb_head): Define and initialize.
(RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
BLOCK_TO_BB, CONTAINING_RGN, debug_regions, extend_regions,
BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB): Move to
sched-int.h.
(find_single_block_region): Add new argument to indicate that EBB
regions should be constructed.
(debug_live): Delete declaration.
(current_nr_blocks, current_blocks, target_bb): Remove static qualifiers.
(compute_dom_prob_ps, check_live, update_live, set_spec_fed): Delete
declaration.
(init_regions): Delete declaration.
(debug_region, bb_in_region_p, dump_region_dot_file, dump_region_dot,
rgn_estimate_number_of_insns): New.
(too_large): Use estimate_number_of_insns.
(haifa_find_rgns): New. Move the code from ...
(find_rgns): ... here. Call either sel_find_rgns or haifa_find_rgns.
(free_trg_info): New.
(compute_trg_info): Allocate candidate tables here instead of ...
(init_ready_list): ... here.
(rgn_print_insn): Use const_rtx.
(contributes_to_priority, extend_regions): Delete static declaration.
(add_remove_insn, fix_recovery_cfg): Add rgn_ to function names.
(add_block1): Rename to rgn_add_block.
(debug_rgn_dependencies): Delete static qualifier.
(new_ready): Use sched_deps_info. Simplify.
(rgn_common_sched_info, rgn_const_sched_deps_info,
rgn_const_sel_sched_deps_info, rgn_sched_deps_info, rgn_sched_info): New.
(region_sched_info): Rename to rgn_const_sched_info.
(deps_join): New, extracted from ...
(propagate_deps): ... here.
(compute_block_dependences, debug_dependencies): Update for selective
scheduling.
(free_rgn_deps, compute_priorities): New functions.
(sched_rgn_init, sched_rgn_finish, rgn_setup_region,
sched_rgn_compute_dependencies): New functions.
(schedule_region): Use them.
(sched_rgn_local_init, sched_rgn_local_free, sched_rgn_local_finish,
rgn_setup_common_sched_info, rgn_setup_sched_infos):
New functions.
(schedule_insns): Call new functions that were split out.
(rgn_make_new_region_out_of_new_block): New.
(get_rgn_sched_max_insns_priority): New.
(rest_of_handle_sched, rest_of_handle_sched2): Call selective
scheduling when appropriate.
* sched-vis.c: Include insn-attr.h.
(print_value, print_pattern): Make global.
(print_rtl_slim, debug_bb_slim, debug_bb_n_slim): New functions.
* target-def.h (TARGET_SCHED_ADJUST_COST_2,
TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_CHECKED_DS,
TARGET_SCHED_GET_INSN_SPEC_DS, TARGET_SCHED_SKIP_RTX_P): New target
hooks. Initialize them to 0.
(TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
* target.h (struct gcc_target): Add them. Rename gen_check field to
gen_spec_check.
* flags.h (sel_sched_switch_set): Declare.
* opts.c (sel_sched_switch_set): New variable.
(decode_options): Unset flag_sel_sched_pipelining_outer_loops if
pipelining is disabled from command line.
(common_handle_option): Record whether selective scheduling is
requested from command line.
* doc/invoke.texi: Document new flags and parameters.
* doc/tm.texi: Document new target hooks.
* config/ia64/ia64.c (TARGET_SCHED_GEN_SPEC_CHECK): Define to ia64_gen_check.
(dfa_state_size): Do not declare locally.
* config/ia64/ia64.opt (msched-ar-data-spec): Default to 0.
* config/rs6000/rs6000.c (rs6000_init_sched_context,
rs6000_alloc_sched_context, rs6000_set_sched_context,
rs6000_free_sched_context): New functions.
(struct _rs6000_sched_context): New.
(rs6000_sched_reorder2): Do not modify INSN_PRIORITY for selective
scheduling.
(rs6000_sched_finish): Do not run for selective scheduling.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139854 138bc75d-0d04-0410-961f-82ee72b054a4
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* cgraph.c: Fix typos in comments.
(cgraph_availability_names): Fix string typo.
* fold-const.c: Fix typos in comments.
(fold_binary): Fix typo in warning.
* genautomata.c: Fix typos in comments.
(check_presence_pattern_sets): Fix typo in local variable.
(output_description): Fix typo in output.
* ggc-zone.c (ggc_pch_finish): Fix typo in error message.
* hwint.h: Likewise.
* matrix-reorg.c (check_allocation_function): Likewise.
* omega.c (smooth_weird_equations): Likewise.
* auto-inc-dec.c: Fix typos in comments.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* c-common.c: Likewise.
* c-cppbuiltin.c: Likewise.
* c-parser.c: Likewise.
* c-pretty-print.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfglayout.c: Likewise.
* cfgloopmanip.c: Likewise.
* cgraphunit.c: Likewise.
* coverage.c: Likewise.
* dbxout.c: Likewise.
* df-byte-scan.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dfp.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* dse.c: Likewise.
* dwarf2out.c: Likewise.
* emit-rtl.c: Likewise.
* et-forest.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* gcc.c: Likewise.
* gcov-io.c: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* genattrtab.c: Likewise.
* ggc-page.c: Likewise.
* gimplify.c: Likewise.
* gthr-lynx.h: Likewise.
* haifa-sched.c: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-struct-reorg.c: Likewise.
* ipa-struct-reorg.h: Likewise.
* ipa-type-escape.c: Likewise.
* ipa.c: Likewise.
* loop-doloop.c: Likewise.
* mips-tfile.c: Likewise.
* mkmap-flat.awk: Likewise.
* mkmap-symver.awk: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* optabs.c: Likewise.
* optabs.h: Likewise.
* opts.c: Likewise.
* passes.c: Likewise.
* postreload-gcse.c: Likewise.
* postreload.c: Likewise.
* predict.c: Likewise.
* pretty-print.h: Likewise.
* profile.c: Likewise.
* protoize.c: Likewise.
* ra-conflict.c: Likewise.
* real.c: Likewise.
* recog.c: Likewise.
* regclass.c: Likewise.
* regs.h: Likewise.
* reload.c: Likewise.
* rtl-error.c: Likewise.
* rtlanal.c: Likewise.
* scan.h: Likewise.
* sched-rgn.c: Likewise.
* see.c: Likewise.
* stmt.c: Likewise.
* target.h: Likewise.
* tree-dfa.c: Likewise.
* tree-eh.c: Likewise.
* tree-flow-inline.h: Likewise.
* tree-inline.c: Likewise.
* tree-into-ssa.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-nested.c: Likewise.
* tree-parloops.c: Likewise.
* tree-pass.h: Likewise.
* tree-pretty-print.c: Likewise.
* tree-profile.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-alias-warnings.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-dse.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-ter.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa.c: Likewise.
* tree-vect-analyze.c: Likewise.
* tree-vect-transform.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vn.c: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.def: Likewise.
* tree.h: Likewise.
* unwind-dw2-fde.c: Likewise.
* unwind.inc: Likewise.
* value-prof.c: Likewise.
* vmsdbgout.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@136425 138bc75d-0d04-0410-961f-82ee72b054a4
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* basic-block.h (const_edge, const_basic_block): New.
(reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
single_pred_p, single_succ_edge, single_pred_edge, single_succ,
single_pred, maybe_hot_bb_p, probably_cold_bb_p,
probably_never_executed_bb_p, edge_probability_reliable_p,
br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
inside_basic_block_p, control_flow_insn_p, dominated_by_p):
Likewise.
* bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
* bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
Likewise.
* cfganal.c (flow_active_insn_p, forwarder_block_p,
flow_nodes_print, dfs_enumerate_from): Likewise.
* cfgbuild.c (count_basic_blocks, inside_basic_block_p,
control_flow_insn_p, count_basic_blocks): Likewise.
* cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
get_loop_body_with_size, loop_exit_edge_p): Likewise.
* cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
average_num_loop_insns, loop_exit_edge_p,
just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
* cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
average_num_loop_insns, seq_cost): Likewise.
* cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
* dominance.c (dominated_by_p): Likewise.
* emit-rtl.c (validate_subreg): Likewise.
* except.c (can_throw_internal, can_throw_external): Likewise.
* except.h (can_throw_internal, can_throw_external): Likewise.
* gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
compute_transp, load_killed_in_block_p, reg_killed_on_edge,
simple_mem, store_ops_ok, load_kills_store, find_loads,
store_killed_in_insn, store_killed_after, store_killed_before,
gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
Likewise.
* ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
noce_mem_write_may_trap_or_fault_p): Likewise.
* pointer-set.c (pointer_set_contains, pointer_map_contains):
Likewise.
* pointer-set.h (pointer_set_contains, pointer_map_contains):
Likewise.
* predict.c (can_predict_insn_p, maybe_hot_bb_p,
probably_cold_bb_p, probably_never_executed_bb_p,
edge_probability_reliable_p, br_prob_note_reliable_p,
can_predict_insn_p): Likewise.
* regclass.c (reg_set_to_hard_reg_set): Likewise.
* resource.c (return_insn_p): Likewise.
* rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
Likewise.
* rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
* tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
* tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
verify_gimple_modify_stmt): Likewise.
* tree-chrec.c (is_not_constant_evolution,
is_multivariate_chrec_rec, is_multivariate_chrec,
chrec_contains_symbols, chrec_contains_undetermined,
tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
eq_evolutions_p, scev_direction): Likewise.
* tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
chrec_contains_symbols_defined_in_loop,
chrec_contains_undetermined, tree_contains_chrecs,
evolution_function_is_affine_multivariate_p,
evolution_function_is_univariate_p, chrec_zerop,
evolution_function_is_constant_p, evolution_function_is_affine_p,
evolution_function_is_affine_or_constant_p,
tree_does_not_contain_chrecs, chrec_type): Likewise.
* tree-data-ref.c (tree_fold_divides_p,
object_address_invariant_in_loop_p, dr_may_alias_p,
ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
same_access_functions, constant_access_functions,
access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
Likewise.
* tree-flow.h (scev_direction): Likewise.
* tree-gimple.c (is_gimple_stmt): Likewise.
* tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
Likewise.
* tree-pretty-print.c (op_prio): Likewise.
* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
analyzable_condition, backedge_phi_arg_p): Likewise.
* tree-scalar-evolution.h (get_chrec_loop): Likewise.
* tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
* tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127404 138bc75d-0d04-0410-961f-82ee72b054a4
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accessor functions.
* cfgloopmanip.c (remove_path, create_preheaders,
force_single_succ_latches, fix_loop_structure): Ditto.
* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
tree_duplicate_loop_to_header_edge): Ditto.
* cfgloopanal.c (mark_irreducible_loops): Ditto.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
Ditto.
* tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
cleanup_tree_cfg): Ditto.
* tree-cfg.c (tree_merge_blocks): Ditto.
* cfgloop.c (rescan_loop_exit, record_loop_exits,
release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
loop_preheader_edge, single_exit): Ditto.
(flow_loops_find): Do not clear loops->state.
* cfgloop.h (loops_state_satisfies_p, loops_state_set,
loops_state_clear): New functions.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127197 138bc75d-0d04-0410-961f-82ee72b054a4
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License and to point readers at the COPYING3 file and the FSF's license web page.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126948 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126935 138bc75d-0d04-0410-961f-82ee72b054a4
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of compare to the same type.
* cfgloopmanip.c (add_loop): Update information about loop exits.
(loop_version): Remove the innermost loop requirement.
* tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
to sizetype for pointers.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126796 138bc75d-0d04-0410-961f-82ee72b054a4
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(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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125336 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125297 138bc75d-0d04-0410-961f-82ee72b054a4
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* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125024 138bc75d-0d04-0410-961f-82ee72b054a4
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(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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124786 138bc75d-0d04-0410-961f-82ee72b054a4
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struct nb_iter_bound.
(free_numbers_of_iterations_estimates_loop): Use ggc_free.
* gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
* cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
* tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
(struct scev_info_str, scalar_evolution_info): Add GTY markers.
(new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
(del_scev_info): Use ggc_free.
(scev_initialize): Allocate scalar_evolution_info in gc memory.
* loop-init.c: Include ggc.h.
(loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
(loop_optimizer_finalize): Use ggc_free.
* tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
pass_iv_optimize): Add TODO_ggc_collect.
* function.h (struct function): Remove skip marker from x_current_loops.
* cfgloop.c: Include ggc.h.
(flow_loops_free, flow_loop_free): Free the loop descriptions in gc
memory.
(establish_preds): Vector superloops is gc allocated.
(alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
loop->exits list.
(flow_loops_find): Vector larray is gc allocated.
(loop_exit_free): Use ggc_free.
(rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
that head of exits list is now not a part of struct loop.
(record_loop_exits): Allocate exits table in gc memory.
(get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
head of exits list is now not a part of struct loop.
* cfgloop.h (struct lpt_decision, struct nb_iter_bound,
struct loop_exit): Add GTY marker.
(struct loop): Add GTY marker. Make superloops vector gc allocated.
Add skip marker to aux field. Make head of exits list a separate
object.
(struct loops): Add GTY marker. Make larray vector gc allocated.
Add param marker to exits table.
(get_loops): Type changed.
* Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
dependency.
(cfgloop.o, loop-init.o): Add ggc.h dependency.
(GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
* basic-block.h (struct basic_block_def): Remove skip marker from
loop_father field.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124727 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124619 138bc75d-0d04-0410-961f-82ee72b054a4
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(create_preheaders): Check that loops are available.
(fix_loop_structure): Clean up, improve comments.
* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
Check that loops are available. Set LOOP_CLOSED_SSA to the loops
state flags.
* tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
* predict.c (tree_estimate_probability): Do not call
calculate_dominance_info. Call create_preheaders.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
flags.
* cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
* cfgloop.h (LOOP_CLOSED_SSA): New constant.
* tree-cfg.c (tree_split_edge): Make an assert more precise.
* tree-ssa-threadedge.c (thread_across_edge): Comment the function
arguments.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@123670 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121670 138bc75d-0d04-0410-961f-82ee72b054a4
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(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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121583 138bc75d-0d04-0410-961f-82ee72b054a4
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* cfgloopmanip.c (fix_loop_placement): Made static. Use
get_loop_exit_edges. Changed return type to bool.
* cfgloop.h (fix_loop_placement): Declaration removed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120782 138bc75d-0d04-0410-961f-82ee72b054a4
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* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120728 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
to loop_version.
* cfgloopmanip.c (scale_loop_frequencies): Export.
(loopify): Scale the frequencies by prescribed coefficients.
(set_zero_probability): New function.
(duplicate_loop_to_header_edge): Improve updating of frequencies.
(lv_adjust_loop_entry_edge, loop_version): Set probabilities
and frequencies according to arguments.
* tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
correctly.
* cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
* modulo-sched.c (sms_schedule): Set probabilities for entering
versioned loop correctly.
* tree-vect-transform.c (vect_transform_loop): Ditto.
* cfgloop.h (loopify, loop_version): Declaration changed.
(scale_loop_frequencies): Declared.
* gcc.dg/tree-ssa/update-unroll-1.c: New test.
* gcc.dg/tree-ssa/update-unswitch-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120378 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120074 138bc75d-0d04-0410-961f-82ee72b054a4
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* loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
* tree-loop-linear.c (linear_transform_loops): Ditto.
* tree-ssa-loop-im.c (determine_lsm): Ditto.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
free_numbers_of_iterations_estimates): Ditto.
* tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
* modulo-sched.c (sms_schedule): Ditto.
* tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
tree_unroll_loops_completely): Ditto.
* predict.c (predict_loops): Ditto.
* tree-if-conv.c (main_tree_if_conversion): Ditto.
* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
decide_unrolling_and_peeling): Ditto.
* cfgloopmanip.c (unloop): Use delete_loop.
(place_new_loop): Access larray vector instead of parray.
(create_preheaders, force_single_succ_latches,
fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
* loop-doloop.c (doloop_optimize_loops): Ditto.
* loop-invariant.c (move_loop_invariants): Ditto.
* tree-cfg.c (replace_uses_by): Ditto.
* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
* tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
Moved to ...
* tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
... here.
* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
compute_overall_effect_of_inner_loop, chrec_is_positive): Use
get_loop and get_chrec_loop.
(number_of_iterations_for_all_loops): Use number_of_loops.
(scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
* tree-scalar-evolution.h (get_chrec_loop): New inline function.
* cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
and FOR_EACH_LOOP.
* tree-chrec.c (evolution_function_is_invariant_rec_p,
chrec_convert_1): Use get_loop and get_chrec_loop.
* loop-init.c (loop_optimizer_init): Use number_of_loops.
(loop_optimizer_init): Use FOR_EACH_LOOP.
* tree-vectorizer.c (vect_loops_num): Removed.
(vectorize_loops): Store number of loops locally. Use
FOR_EACH_LOOP and get_loop.
* tree-vectorizer.h (vect_loops_num): Removed.
* tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
(find_data_references_in_loop): Do not set parallel_p.
* tree-data-ref.h: Do not declare VEC(loop_p).
* cfgloop.c (flow_loops_dump, mark_single_exit_loops,
verify_loop_structure): Use FOR_EACH_LOOP.
(flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
(initialize_loops_parallel_p): Removed.
(flow_loops_find): Push the loops into a vector.
(delete_loop): New function.
(cancel_loop): Use delete_loop.
* cfgloop.h: Declare VEC(loop_p).
(struct loop): Remove parallel_p field.
(struct loops): Replace num and parray field by larray vector.
Remove shared_headers field.
(delete_loop): Declare.
(get_loop, get_loops, number_of_loops, fel_next, fel_init,
FOR_EACH_LOOP): New.
* doc/loop.tex: Document new accessor functions.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119713 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119189 138bc75d-0d04-0410-961f-82ee72b054a4
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functions.
* tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
* cfgloopmanip.c (update_single_exits_after_duplication,
update_single_exit_for_duplicated_loop, loop_version): Ditto.
* tree-scalar-evolution.c (get_loop_exit_condition,
get_exit_conditions_rec, loop_closed_phi_def,
number_of_iterations_in_loop, scev_const_prop): Ditto.
* tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
* modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
Ditto.
* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
Ditto.
* tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
slpeel_make_loop_iterate_ntimes,
slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
Ditto.
* tree-if-conv.c (if_convertible_loop_p): Ditto.
* tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
vect_analyze_loop_form): Ditto.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
can_convert_to_perfect_nest, perfect_nestify): Ditto.
* tree-vect-transform.c (vect_create_epilog_for_reduction,
vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
vect_transform_loop): Ditto.
* cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
(single_exit, set_single_exit): New functions.
* cfgloop.h (struct loop): Rename single_exit field to single_exit_.
(single_exit, set_single_exit): Declare.
* doc/loop.texi: Undocument single_exit field. Document single_exit
accessor function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119075 138bc75d-0d04-0410-961f-82ee72b054a4
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of the loop.
* cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
Removed.
(flow_loop_dump): Do not dump loop level.
(flow_loops_find): Do not call flow_loops_level_compute.
* cfgloop.h (struct loop): Remove level field.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119040 138bc75d-0d04-0410-961f-82ee72b054a4
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* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118931 138bc75d-0d04-0410-961f-82ee72b054a4
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update_single_exit_for_duplicated_loops): New functions.
(duplicate_loop_to_header_edge): Use
update_single_exit_for_duplicated_loops.
* tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
functions only with ENABLE_CHECKING.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118726 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118465 138bc75d-0d04-0410-961f-82ee72b054a4
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* cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
Add new argument to keep track of whether an irreducible region
was affected. All callers changed.
(fix_irreducible_loops): Removed.
(remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
flags were invalidated.
* gcc.dg/loop-unswitch-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@116582 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@113893 138bc75d-0d04-0410-961f-82ee72b054a4
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* final.c (final_scan_insn): Do not handle loop notes.
* jump.c (squeeze_notes): Ditto.
* cfglayout.c (skip_insns_after_block,
duplicate_insn_chain): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not call
create_loop_notes.
* cfgloop.h (create_loop_notes): Declaration removed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@112316 138bc75d-0d04-0410-961f-82ee72b054a4
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(adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
Use current_loops instead of cfg_loops. Pass flags to
loop_optimizer_init.
* cfgloopmanip.c (fix_loop_structure): Update only available
information.
* tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
loop_optimizer_init.
* modulo-sched.c (build_loops_structure): Removed.
(sms_schedule): Use loop_optimizer_init.
* loop-init.c (loop_optimizer_init): Use flags to determine
which properties of loops to prepare.
(rtl_loop_init): Pass flags to loop_optimizer_init.
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
* tree-ssa-pre.c (init_pre): Ditto.
* cfgloop.h (LOOPS_NORMAL): New.
(loop_optimizer_init): Declaration changed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110620 138bc75d-0d04-0410-961f-82ee72b054a4
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* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110446 138bc75d-0d04-0410-961f-82ee72b054a4
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* cfgloop.h: Remove the prototype for split_loop_bb.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110324 138bc75d-0d04-0410-961f-82ee72b054a4
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* cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
before make_edge with conditional EDGE_TRUE_VALUE.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110113 138bc75d-0d04-0410-961f-82ee72b054a4
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Steven Bosscher <stevenb.gcc@gmail.com>
PR rtl-optimization/24626
* cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
EDGE_TRUE_VALUE if in RTL mode.
Revert
2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
* cfgrtl.c (rtl_verify_flow_info_1): Fix.
* gcc.dg/torture/pr24626-1.c: New testcase.
* gcc.dg/torture/pr24626-2.c: Likewise.
* gcc.dg/torture/pr24626-3.c: Likewise.
* gcc.dg/torture/pr24626-4.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110020 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@108713 138bc75d-0d04-0410-961f-82ee72b054a4
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cond_expr parameter.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@108510 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103437 138bc75d-0d04-0410-961f-82ee72b054a4
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config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
config/alpha/predicates.md, config/arc/arc.h,
config/arm/arm.h, config/arm/ieee754-df.S,
config/arm/ieee754-sf.S, config/bfin/bfin.c,
config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
config/m68hc11/m68hc11.h, config/mips/mips.c,
config/mips/mips.h, config/mips/openbsd.h,
config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
config/rs6000/rs6000.c, config/rs6000/rs6000.h,
config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
config/sparc/linux.h, config/sparc/linux64.h,
config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
doc/extend.texi, doc/gcov.texi, doc/install.texi,
doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
typos. Follow spelling conventions.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102809 138bc75d-0d04-0410-961f-82ee72b054a4
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* cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
profile updating for complette unrolling.
* loop-unroll.c (peel_loop_completely): Use it.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
(tree_unroll_loops_completely): Disable code growing unrolling of cold
loops.
* update-conroll.c: New testcase.
* update-conroll-2.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102687 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101317 138bc75d-0d04-0410-961f-82ee72b054a4
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* cfgloopmanip.c (duplicate_loop_to_header_edge): Set aux flags only
when asked for.
* loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Update call of duplicate_loop_to_header_edge.
(apply_opt_in_copies): Clear out aux pointers.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101193 138bc75d-0d04-0410-961f-82ee72b054a4
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* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101000 138bc75d-0d04-0410-961f-82ee72b054a4
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* cfgloop.c (get_loop_exit_edges): Likewise.
* cfgloopmanip.c (fix_irreducible_loops): Likewise.
(unloop): Likewise.
* loop-unroll.c (analyze_insns_in_loop): Likewise.
* tree-cfg.c (dump_cfg_status): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97903 138bc75d-0d04-0410-961f-82ee72b054a4
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* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97481 138bc75d-0d04-0410-961f-82ee72b054a4
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scale_bbs_frequencies_gcov_type): Declare.
* cfg.c (RDIV): New macro.
(update_bb_frequency_for_threading): Fix.
* basic-block.h (scale_bbs_frequencies_int,
scale_bbs_frequencies_gcov_type): New.
* cfgloopmanip.c (scale_bbs_frequencies): Kill.
(scale_loop_frequencies, duplicate_loop_to_header_edge): Use
scale_bbs_frequencies_int.
* tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96700 138bc75d-0d04-0410-961f-82ee72b054a4
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