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* Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency.
* basic-block.h (tidy_fallthru_edge, tidy_fallthru_edges, dump_bb,
verify_flow_info): Declaration removed.
* cfg.c (verify_flow_info, dump_bb): Moved to cfghooks.c.
(debug_bb, debug_bb_n): Add argument to dump_bb call.
* cfgcleanup.c (try_simplify_condjump, try_crossjump_to_edge,
try_optimize_cfg, delete_unreachable_blocks): Use delete_basic_block
instead of delete_block.
* cfghooks.c: Include timevar.h and toplev.h.
(cfg_hooks): Define here.
(verify_flow_info, dump_bb): Moved from cfg.c.
(redirect_edge_and_branch, redirect_edge_and_branch_force,
split_block, split_block_after_labels, move_block_after,
delete_basic_block, split_edge, create_basic_block,
create_empty_bb, can_merge_blocks_p, merge_blocks,
make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
New functions.
* cfghooks.h (struct cfg_hooks): Added fields name,
make_forwarder_block, tidy_fallthru_edge and
move_block_after. Changed type of verify_flow_info, dump_bb,
split_block fields. Renamed cfgh_split_edge and delete_block
fields.
(redirect_edge_and_branch, redirect_edge_and_branch_force,
split_block, delete_block, split_edge, create_basic_block,
can_merge_blocks_p, merge_blocks): Macros removed.
(cfg_hooks): Do not export.
(verify_flow_info, dump_bb, redirect_edge_and_branch,
redirect_edge_and_branch_force, split_block, split_block_after_labels,
move_block_after, delete_basic_block, split_edge, create_basic_block,
create_empty_bb, can_merge_blocks_p, merge_blocks,
make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
Declare.
(cfg_layout_rtl_cfg_hooks): Declare.
* cfgloop.c (update_latch_info, mfb_keep_just, mfb_keep_nonlatch):
New functions.
(canonicalize_loop_headers): Use new semantics of make_forwarder_block.
(redirect_edge_with_latch_update): Removed.
(make_forwarder_block): Moved to cfghooks.c, semantics changed.
* cfgloopmanip.c (remove_bbs): Do not update dominators here.
* cfgrtl.c (cfg_layout_split_block, rtl_split_block, rtl_dump_bb,
rtl_delete_block, rtl_split_block, rtl_merge_blocks,
tidy_fallthru_edge, rtl_split_edge, cfg_layout_delete_block,
cfg_layout_merge_blocks, cfg_layout_split_edge): Partly moved to
cfghooks.c.
(rtl_create_basic_block): Coding style fix.
(rtl_tidy_fallthru_edge, rtl_move_block_after,
rtl_make_forwarder_block): New functions.
(update_cfg_after_block_merging): Removed.
(rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Fill in new entries.
* flow.c (verify_wide_reg, verify_local_live_at_start): Add argument
to dump_bb.
* ifcvt.c (merge_if_block, find_cond_trap, find_if_case_1,
find_if_case_2): Don't update dominators.
* timevar.def (TV_CFG_VERIFY): New.
* loop-unswitch.c (unswitch_loop): Don't call add_to_dominance_info.
* cfglayout.c (copy_bbs): Don't call add_to_dominance_info.
* cfgloopmanip.c (split_loop_bb): Don't update dominators.
(remove_bbs): Don't call remove_bbs.
(create_preheader): Use make_forwarder_block.
(mfb_keep_just, mfb_update_loops): New static functions.
From-SVN: r76851
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From-SVN: r75338
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2004-01-02 Andrew Pinski <pinskia@physics.uc.edu>
* c-typeck.c (finish_init): Free spelling_base before
setting it again.
* cfgloop.c (flow_loops_find): Always free the sbitmap
headers.
* predict.c (estimate_probability): Free bbs after being
done with it.
From-SVN: r75337
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Backport from tree-ssa (relevant changes only):
2003-12-18 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
* et-forest.h (et_forest_create, et_forest_delete,
et_forest_add_node, et_forest_add_edge, et_forest_remove_node,
et_forest_remove_edge, et_forest_parent,
et_forest_common_ancestor, et_forest_node_value,
et_forest_enumerate_sons): Declarations removed.
(struct et_node): New.
(et_new_tree, et_free_tree, et_set_father, et_split, et_nca,
et_below): Declare.
* et-forest.c (struct et_forest_occurrence, struct et_forest,
struct et_forest_node): Removed.
(et_forest_create, et_forest_delete,
et_forest_add_node, et_forest_add_edge, et_forest_remove_node,
et_forest_remove_edge, et_forest_parent,
et_forest_common_ancestor, et_forest_node_value,
et_forest_enumerate_sons, splay, remove_all_occurrences,
find_leftmost_node, find_rightmost_node, calculate_value): Removed.
(struct et_occ): New.
(et_nodes, et_occurences): New.
(set_depth, set_depth_add, set_prev, set_next, et_recomp_min,
et_check_occ_sanity, et_check_sanity, et_check_tree_sanity,
record_path_before_1, record_path_before, check_path_after_1,
check_path_after, et_splay, et_new_occ, et_new_tree,
et_free_tree, et_set_father, et_split, et_nca, et_below): New.
* basic-block.h (struct basic_block_def): New field dom.
(struct dominance_info): Type removed.
(calculate_dominance_info, free_dominance_info,
nearest_common_dominator, set_immediate_dominator,
get_immediate_dominator, dominated_by_p, get_dominated_by,
add_to_dominance_info, delete_from_dominance_info,
recount_dominator, redirect_immediate_dominators,
iterate_fix_dominators, verify_dominators): Declarations
changed.
(enum dom_state): New.
(dom_computed): New variable.
(first_dom_son, next_dom_son): Declare.
* dominance.c (struct dominance_info): Removed.
(BB_NODE, SET_BB_NODE): Removed.
(calculate_dominance_info, free_dominance_info,
nearest_common_dominator, set_immediate_dominator,
get_immediate_dominator, dominated_by_p, get_dominated_by,
add_to_dominance_info, delete_from_dominance_info,
recount_dominator, redirect_immediate_dominators,
iterate_fix_dominators, verify_dominators,
debug_dominance_info): Work over new datastructure. Access
dominance datastructures through CFG.
(assign_dfs_numbers, compute_dom_fast_query, first_dom_son,
next_dom_son): New.
* bt-load.c (dom): Variable removed.
(augment_live_range, combine_btr_defs, migrate_btr_def,
migrate_btr_defs, branch_target_load_optimize): Updated for the
new interface for dominance information.
* cfg.c {exit_entry_blocks): Update initializer.
* cfglayout.c (copy_bbs): Removed loops argument. Updated for
the new interface for dominance information.
* cfglayout.h (copy_bbs): Declaration changed.
* cfgloop.c (flow_loop_pre_header_find, flow_loops_cfg_dump,
flow_loop_scan, canonicalize_loop_headers, flow_loops_find): Updated
for the new interface for dominance information.
(flow_loop_scan): Loops argument removed.
(flow_loops_free): Don't release dominators.
* cfgloop.h (struct cfg): Dom field removed.
(flow_loop_scan, loop_split_edge_with, simple_loop_p,
just_once_each_iteration_p, split_loop_bb): Declaration changed.
* cfgloopanal.c (simple_loop_exit_p, simple_increment,
just_once_each_iteration_p, simple_loop_p): Remove loops argument.
Updated for the new interface for dominance information.
* cfgloopmanip.c (remove_bbs, find_path, create_preheader,
split_loop_bb, loopify, duplicate_loop_to_header_edge,
force_single_succ_latches, loop_split_edge_with): Ditto.
* gcse.c (dominators): Variable removed.
(free_code_hoist_mem, compute_code_hoist_data, hoist_code):
Updated for the new interface for dominance information.
* ifcvt.c (post_dominators): Variable removed.
(mark_loop_exit_edges, merge_if_block, find_if_header,
find_cond_trap, find_if_case_1, find_if_case_2, if_convert):
Updated for the new interface for dominance information.
* loop-init.c (rtl_loop_optimizer_init,
rtl_loop_optimizer_finalize): Ditto.
* loop-unroll.c (decide_peel_simple, decide_peel_once_rolling,
decide_peel_completely, decide_unroll_stupid,
decide_unroll_constant_iterations,
decide_unroll_runtime_iterations): Loops argument removed.
Updated for the new interface for dominance information.
(unroll_and_peel_loops, peel_loops_completely,
unroll_loop_runtime_iterations): Updated for the new interface for
dominance information.
* loop-unswitch.c (may_unswitch_on_p, unswitch_loops,
unswitch_single_loop, unswitch_loop): Updated for the new
interface for dominance information.
* predict.c (process_note_predictions, process_note_prediction,
estimate_probability, note_prediction_to_br_prob): Ditto.
* sched-rgn.c (find_rgns, init_regions): Ditto.
* toplev.c (rest_of_handle_branch_prob): Free the dominators.
From-SVN: r75226
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2003-12-11 Steven Bosscher <steven@gcc.gnu.org>
* basic-block.h (BLOCK_HEAD, BLOCK_END): Remove.
(BLOCK_HEAD_TREE, BLOCK_END_TREE): Remove.
(basic_block_def): Rename `head' to `head_' and `end' to `end_'.
(BB_HEAD, BB_END): New accessor macros for the `head_' and `end_'
fields of a basic block.
* bb-reorder.c, bt-load.c, caller-save.c, cfg.c, cfganal.c,
cfgbuild.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, combine.c, conflict.c, df.c, emit-rtl.c,
final.c, flow.c, function.c, gcse.c, global.c, graph.c,
haifa-sched.c, ifcvt.c, lcm.c, local-alloc.c, loop-unswitch.c,
loop.c, postreload.c, predict.c, profile.c, ra-build.c, ra-debug.c,
ra-rewrite.c, ra.c, recog.c, reg-stack.c, regclass.c, regmove.c,
regrename.c, reload1.c, resource.c, sched-ebb.c, sched-rgn.c,
sibcall.c, tracer.c, config/frv/frv.c, config/i386/i386.c,
config/ia64/ia64.c: Use the BB_HEAD and BB_END macros instead of
accessing the `head' and `end' fields of a basic block directly.
* gengtype.c: Add missing piece from earlier patch. Dunno what
I was thinking...
From-SVN: r74520
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* alias.c alloc-pool.c bitmap.c bitmap.h bt-load.c builtins.c
c-common.c c-decl.c c-incpath.c c-lex.c c-opts.c c-parse.in
c-pragma.c c-typeck.c calls.c cfg.c cfganal.c cfgloop.c cfgrtl.c
collect2.c combine.c conflict.c coverage.c cppexp.c cppfiles.c
cpphash.c cppinit.c cpplex.c cpplib.c cppmacro.c cppspec.c
cpptrad.c cse.c cselib.c dbxout.c defaults.h df.c dominance.c
dwarf2out.c dwarfout.c emit-rtl.c except.c expmed.c expr.c final.c
fix-header.c flow.c fold-const.c function.c gcc.c gccspec.c gcov.c
gcse.c genattr.c genattrtab.c genautomata.c genconditions.c
genemit.c genextract.c genoutput.c genrecog.c gensupport.c
ggc-page.c ggc-simple.c global.c graph.c haifa-sched.c hashtable.c
integrate.c jump.c langhooks.c lcm.c line-map.c local-alloc.c
loop.c mips-tdump.c mips-tfile.c mkdeps.c optabs.c params.c
postreload.c prefix.c print-tree.c protoize.c ra-build.c
ra-colorize.c ra-rewrite.c ra.c recog.c reg-stack.c regclass.c
regmove.c regrename.c reload.c reload1.c reorg.c resource.c
sbitmap.c sched-deps.c sched-rgn.c sched-vis.c sdbout.c
simplify-rtx.c ssa-ccp.c ssa.c stmt.c stor-layout.c timevar.c
tlink.c toplev.c tree-dump.c tree.c unroll.c unwind-dw2-fde.c
varasm.c varray.c vmsdbgout.c xcoffout.c: Remove unnecessary
casts.
From-SVN: r69587
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edge is not specified.
* cfglayout.c (cfg_layout_duplicate_bb): Do not update frequencies
at all if edge is not specified.
(can_copy_bbs_p, copy_bbs): New.
* cfglayout.h (can_copy_bbs_p, copy_bbs): Declare.
* cfgloop.c (get_loop_body): Comment more precisely.
* cfgloopmanip.c (copy_bbs, record_exit_edges): Removed.
(scale_bbs_frequencies): Fix comment typo.
(can_duplicate_loop_p): Use can_copy_bbs_p.
(duplicate_loop_to_header_edge): Simplify by using copy_bbs.
From-SVN: r68906
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* basic-block.h: Fix comment typos.
* bb-reorder.c: Likewise.
* c-format.c: Likewise.
* cfgcleanup.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.h: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* convert.c: Likewise.
* dbxout.c: Likewise.
* df.c: Likewise.
* df.h: Likewise.
* diagnostic.c: Likewise.
* dwarf2out.c: Likewise.
* et-forest.h: Likewise.
* flow.c: Likewise.
* fold-const.c: Likewise.
* function.h: Likewise.
* gcov-io.h: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* genautomata.c: Likewise.
* ggc-common.c: Likewise.
* ggc-page.c: Likewise.
* loop-unroll.c: Likewise.
* loop-unswitch.c: Likewise.
* loop.c: Likewise.
* mips-tfile.c: Likewise.
* optabs.c: Likewise.
* ra-build.c: Likewise.
* ra-colorize.c: Likewise.
* ra-rewrite.c: Likewise.
* ra.h: Likewise.
* regmove.c: Likewise.
* reload.c: Likewise.
* rtlanal.c: Likewise.
* sched-ebb.c: Likewise.
* sched-int.h: Likewise.
* sched-vis.c: Likewise.
* sreal.c: Likewise.
* ssa-ccp.c: Likewise.
* ssa.c: Likewise.
* toplev.c: Likewise.
* tree-inline.c: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
From-SVN: r68770
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* caller-save.c: Convert to ISO C90.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgbuild.c: Likewise.
* cfgcleanup.c: Likewise.
* cfghooks.c: Likewise.
* cfglayout.c: Likewise.
* cfglayout.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmainip.c: Likewise.
* cfgrtl.c: Likewise.
From-SVN: r68331
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* basic-block.h (EDGE_IRREDUCIBLE_LOOP, EDGE_ALL_FLAGS): New.
* cfg.c (dump_edge_info): Add EDGE_IRREDUCIBLE_LOOP flag dump.
* cfgloop.c (flow_loop_free): Made global.
(establish_preds): New static function.
(flow_loop_tree_node_add): Handle subloops of added loop correctly.
(get_loop_exit_edges): New.
(verify_loop_structure): Verify EDGE_IRREDUCIBLE_LOOP flags.
* cfgloop.h (flow_loop_free, get_loop_exit_edges, unloop): Declare.
* cfgloopanal.c (mark_irreducible_loops): Mark edges in irreducible
loops.
* cfgloopmanip.c (loop_delete_branch_edge): Allow to test for
removability of an edge.
(fix_irreducible_loops): New static function.
(find_path, remove_path): Add ability to remove enclosing loops.
(unloop): New.
(copy_bbs, duplicate_loop_to_header_edge): Use EDGE_IRREDUCIBLE_LOOP
flags.
* cfgrtl.c (verify_flow_info): Handle EDGE_IRREDUCIBLE_LOOP flag.
* loop-unroll.c (peel_loops_completely): Do not duplicate loop if
not neccessary.
(decide_peel_completely, peel_loops_completely): Allow complete peeling
of non-duplicable once rolling loops.
* loop-unswitch.c (unswitch_loop): Update EDGE_IRREDUCIBLE_LOOP flags.
From-SVN: r63864
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* cfgloopanal.c: New file.
* cfgloopmanip.c: New file.
* Makefile.in (cfgloopanal.o, cfgloopmanip.o): New.
(toplev.o, loop.o, doloop.o, unroll.o, cfgloop.o, predict.o,
cfglayout.o): Add dependency on cfgloop.h.
(cfgloop.o): Add flags.h dependency.
* basic-block.h (BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK): New flags.
(VLS_EXPECT_PREHEADERS, VLS_EXPECT_SIMPLE_LATCHES): Removed.
(struct loop, struct loops, flow_loops_find, flow_loops_update,
flow_loops_free, flow_loops_dump, flow_loop_dump,
flow_loop_scan, flow_loop_tree_node_add, flow_loop_tree_node_remove,
LOOP_TREE,,LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
LOOP_ALL, flow_loop_outside_edge_p, flow_loop_nested_p,
flow_bb_inside_loop_p, get_loop_body, loop_preheader_edge,
loop_latch_edge, add_bb_to_loop, remove_bb_from_loops,
find_common_loop, verify_loop_structure): Declarations moved to ...
* cfgloop.h: New file.
* bb-reorder.c (reorder_basic_blocks): Modified.
* cfglayout.c: Include cfgloop.h.
(cleanup_unconditional_jumps, cfg_layout_redirect_edge,
cfg_layout_duplicate_bb, cfg_layout_initialize): Update loop structure.
(break_superblocks): New static function.
(cfg_layout_finalize): Use it.
(cfg_layout_split_block): New function.
* cfglayout.h (struct reorder_block_def): Add copy and duplicated
fields.
(cfg_layout_initialize, cfg_layout_redirect_edge): Declaration
changed.
(cfg_layout_split_block): Declare.
* cfgloop.c: Include cfgloop.h and flags.h.
(flow_loop_dump, flow_loops_free, flow_loop_exit_edges_find,
get_loop_body): Avoid signed versus unsigned comparison warnings.
(make_forwarder_block, flow_loops_find, loop_preheader_edge,
loop_latch_edge): Modified.
(verify_loop_structure): Modified to use flags stored in loop structure;
check irreducible loops.
(cancel_loop, cancel_loop_tree): New functions.
(estimate_probability): Use loop analysis code for predictions.
(estimate_loops_at_level): Avoid signed versus unsigned comparison
warnings.
* doloop.c: Include cfgloop.h.
* loop.c: Include cfgloop.h.
* predict.c: Include cfgloop.h.
* toplev.c: Include cfgloop.h.
* unroll.c: Include cfgloop.h.
* tracer.c (tracer): Modified.
From-SVN: r61730
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2003-01-16 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
* cfgloop.c (flow_loops_find): Fix handling of abnormal edges.
From-SVN: r61393
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From-SVN: r60174
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* ChangeLog: Follow spelling conventions.
* ChangeLog.0: Likewise.
* ChangeLog.1: Likewise.
* ChangeLog.2: Likewise.
* ChangeLog.3: Likewise.
* ChangeLog.4: Likewise.
* ChangeLog.5: Likewise.
* ChangeLog.6: Likewise.
* FSFChangeLog.10: Likewise.
* FSFChangeLog.11: Likewise.
* alias.c: Likewise.
* basic-block.h: Likewise.
* c-aux-info.c: Likewise.
* c-common.c: Likewise.
* c-common.h: Likewise.
* c-decl.c: Likewise.
* c-format.c: Likewise.
* c-semantics.c: Likewise.
* c-typeck.c: Likewise.
* calls.c: Likewise.
* cfganal.c: Likewise.
* cfgloop.c: Likewise.
* collect2.c: Likewise.
* combine.c: Likewise.
* conflict.c: Likewise.
* cppexp.c: Likewise.
* cppfiles.c: Likewise.
* cpphash.h: Likewise.
* cppinit.c: Likewise.
* cpplex.c: Likewise.
* cpplib.c: Likewise.
* cpplib.h: Likewise.
* cppmacro.c: Likewise.
* cse.c: Likewise.
From-SVN: r57398
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* basic-block.h: Fix comment formatting.
* c-common.c: Likewise.
* c-common.h: Likewise.
* c-lex.c: Likewise.
* c-pretty-print.c: Likewise.
* cfglayout.c: Likewise.
* cfgloop.c: Likewise.
* defaults.h: Likewise.
* et-forest.c: Likewise.
* explow.c: Likewise.
* function.h: Likewise.
* gcov.c: Likewise.
* genattrtab.c: Likewise.
* gengtype.c: Likewise.
* ifcvt.c: Likewise.
* libgcc2.c: Likewise.
* loop.c: Likewise.
* profile.c: Likewise.
* ra-build.c: Likewise.
* real.c: Likewise.
* rtl.h: Likewise.
* tracer.c: Likewise.
* tree-inline.c: Likewise.
* varasm.c: Likewise.
From-SVN: r56952
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* basic-block.h: Do not include et-forest.h
(dominance_info): Declare as struct dominance-info.
* cfglayout.c (cleanup_unconditional_jumps): Remove the edge before
deleting block.
* dominance.c (struct dominance_info): Define.
(BB_NODE, SET_BB_NODE): New macros.
(bb_hash_func, bb_eq_func): Kill.
(calculate_dominace_info, free_dominacne_info, set_immediate_dominator,
nearest_common_dominator, dominated_by_p, recount_dominator,
add_to_dominance_info, delete_from_dominance_info): update for new
representation.
(get_dominated_by, redirect_immediate_dominators): Rewrite using
enumerate_sons.
* ifcvt.c (process_double_test_block, merge_if_block, find_cond_trap,
find_if_case_1, find_if_case_2): Remove killed blocks from dominance
structure.
* et-forest.h: Update copyright; revamp all function to operate on
nodes
(et_forest_value): Kill.
(et_forest_enumerate_sons, et_forest_node_value): New.
* et-forest.c: Update copyright.
* et-forest.h: Update copyright; revamp all function to operate on
nodes
(et_forest_value): Kill.
(et_forest_enumerate_sons, et_forest_node_value): New.
Thu Jun 6 22:43:43 CEST 2002 Jan Hubicka <jh@suse.cz>
* basic-block.h: Inlude et-forest.h
(basic_block_def): Kill dominator.
(dominance_info): New type.
(loops): Use dominace_info.
(dominace handling functions): Take dominace_info as argument
instead of bitmaps.
(create_preheader): Likewise.
* cfg.c (entry_exit_blocks): Kill dominator.
(dump_flow_info): Do not dump dominators.
* cfglayout.c (cleanup_unconditonal_jumps): Delete deleted block from
dominators.
* cfgloop.c (flow_pre_header_find): Use dominacne_info.
(flow_loops_pre_header_scan, make_forwarder_block,
canonicale_loop_headers, flow_loops_find): Likewise.
* dominance.c: Include error.h
(idoms_to_doms): Kill.
(bb_hash_func, bb_eq_func): New static functions.
(debug_dominace_info): New global function.
(calculate_dominance_info): Use new et forest structure.
(free_dominace_info, get_immediate_dominator, set_immediate_dominator,
get_dominated_by, redirect_immediate_dominators,
nearest_common_dominator, dominated_by_p, verify_dominators,
recount_dominator, iterate_fix_dominators, add_to_dominace_info,
delete_from_dominance_info): New global functions.
* gcse.c (domnators): CHange to dominance_info.
(alloc_hoist_mem): Do not alloc dominators
(free_code_hoist_mem): Use free_dominance_info.
(compute_code_hoist_data): Use dominance_info.
(hoist_code): Likewise.
* ifcvt.c (post_dominators): Likewise.
(find_if_case_2, if_convert): Likewise.
* predict.c (process_note_predictions, process_note_prediction,
estimate-probability): Likewise.
* sched-rgn.c (find_rgns, init_regions): Likewise.
* ssa-dce.c (find_all_control_dependences, fint_control_depemndence,
find_pdom, delete_insn_bb, ssa_eliminate_dead_code): Likewise.
* ssa.c (compute_dominance_frontiers_1, rename_block, rename_registers,
find_evaluations, convert_to_ssa): Likewise.
* ssa.h (compute_dominance_frontiers): Likewise.
Thu Jun 6 22:57:34 CEST 2002 Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>
* Makefile.in (et-forest.c): Add.
* et-forest.c: New file.
* at-forest.h: New file.
Co-Authored-By: Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>
From-SVN: r54843
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* basic-block.h (struct basic_block_def): New field loop_father.
(BB_VISITED): New flag.
(struct loop): New field pred, removed field shared.
(struct loops): New field parray.
(LOOP_EXITS_DOMS): Removed.
(flow_loop_tree_node_add, flow_loop_tree_node_remove,
flow_loop_nested_p, flow_bb_inside_loop_p, get_loop_body,
dfs_enumerate_from, loop_preheader_edge, loop_latch_edge,
add_bb_to_loop, remove_bb_from_loops, find_common_loop,
verify_loop_structure): Declare.
* cfg.c (entry_exit_blocks): Initialize loop_father field.
* cfganal.c (dfs_enumerate_from): New function.
* cfgloop.c (HEAVY_EDGE_RATIO): New constant.
(flow_loop_entry_edges_find, flow_loop_exit_edges_find,
flow_loop_nodes_find, flow_loop_level_compute, flow_loop_nested_p,
flow_loop_dump, flow_loops_dump, flow_loops_free,
flow_loop_tree_node_add, flow_loop_level_compute,
flow_loops_level_compute, flow_loop_scan, flow_loops_update,
flow_loop_outside_edge_p): Modified for new infrastructure.
(make_forwarder_block, canonicalize_loop_headers, glb_enum_p,
redirect_edge_with_latch_update, flow_loop_free): New static functions.
(flow_loop_tree_node_remove, flow_bb_inside_loop_p,
get_loop_body, add_bb_to_loop, remove_bb_from_loops,
find_common_loop, verify_loop_structure, loop_latch_edge,
loop_preheader_edge): New functions.
(flow_loops_cfg_dump): Do not show dominators, as this information
does not remain up to date long.
(flow_loops_find): Store results in new format.
* predict.c (propagate_freq, estimate_probability,
estimate_loops_at_level, estimate_bb_frequencies): Use new loop
infrastructure.
From-SVN: r54142
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* cfgloop.c (flow_loops_find): Initialize first and last fields
correctly.
From-SVN: r54104
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From-SVN: r53967
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* basic-block.h (last_basic_block): Defined as synonym for
n_basic_blocks.
* cfganal.c (mark_dfs_back_edges, flow_reverse_top_sort_order_compute,
flow_depth_first_order_compute, flow_preorder_transversal_compute,
flow_dfs_compute_reverse_init): Replaced relevant occurences of
n_basic_blocks with last_basic_block.
* cfgbuild.c (make_edges): Likewise.
* cfgloop.c (flow_loop_scan, flow_loops_find): Likewise.
* cfgrtl.c (verify_flow_info, purge_all_dead_edges): Likewise.
* combine.c (combine_instructions): Likewise.
* df.c (df_alloc, df_analyse_1, df_analyse, iterative_dataflow_sbitmap,
iterative_dataflow_bitmap): Likewise.
* dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree,
calc_idoms, idoms_to_doms): Likewise.
* flow.c (update_life_info_in_dirty_blocks, free_basic_block_vars):
Likewise.
* gcse.c (gcse_main, alloc_gcse_mem, compute_local_properties,
compute_hash_table, expr_reaches_here_p, one_classic_gcse_pass,
one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p,
one_pre_gcse_pass, compute_transpout, delete_null_pointer_checks_1,
delete_null_pointer_checks, compute_code_hoist_vbeinout,
hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass,
compute_store_table, build_store_vectors): Likewise.
* haifa-sched.c (sched_init): Likewise.
* ifcvt.c (if_convert): Likewise.
* lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
pre_edge_lcm, compute_available, compute_nearerout,
compute_rev_insert_delete, pre_edge_rev_lcm, optimize_mode_switching):
Likewise.
* predict.c (estimate_probability, process_note_prediction,
note_prediction_to_br_prob): Likewise.
* profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): Likewise.
* recog.c (split_all_insns, peephole2_optimize): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* resource.c (init_resource_info): Likewise.
* sched-rgn.c (build_control_flow, find_rgns, compute_trg_info,
init_regions, schedule_insns): Likewise.
* ssa-ccp.c (ssa_const_prop): Likewise.
* ssa-dce.c (ssa_eliminate_dead_code): Likewise.
* ssa.c (compute_dominance_frontiers,
compute_iterated_dominance_frontiers, convert_to_ssa): Likewise.
* df.c (df_refs_unlink): Fix FOR_EACH_BB usage (in #if 0'ed code)
* gcse.c (alloc_rd_mem, alloc_avail_expr_mem): Use n_blocks for vector
sizes consistently.
From-SVN: r53924
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over basic block chain.
* bb-reorder.c (make_reorder_chain, make_reorder_chain_1):
Use FOR_EACH_BB macros to iterate over basic block chain.
* cfg.c (clear_edges, clear_bb_flags, dump_flow_info,
alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges):
Likewise.
* cfganal.c (set_edge_can_fallthru_flag, flow_call_edges_add,
find_unreachable_blocks, create_edge_list, verify_edge_list,
remove_fake_edges, add_noreturn_fake_exit_edges,
flow_preorder_transversal_compute, flow_dfs_compute_reverse_execute):
Likewise.
* cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_optimize_cfg, delete_unreachable_blocks):
Likewise.
* cfglayout.c (record_effective_endpoints, cleanup_unconditional_jumps):
Likewise.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_find):
Likewise.
* cfgrtl.c (compute_bb_for_insn, tidy_fallthru_edges,
commit_edge_insertions, commit_edge_insertions_watch_calls,
print_rtl_with_bb, verify_flow_info, purge_all_dead_edges): Likewise.
* combine.c (combine_instructions, reg_dead_at_p): Likewise.
* conflict.c (conflict_graph_compute): Likewise.
* df.c (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1,
df_modified_p, df_refs_unlink, df_dump): Likewise.
* dominance.c (calc_dfs_tree, calculate_dominance_info): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (update_life_info, update_life_info_in_dirty_blocks,
delete_noop_moves, calculate_global_regs_live, allocate_bb_life_data,
count_or_remove_death_notes): Likewise.
* gcse.c (oprs_unchanged_p, record_last_reg_set_info,
compute_hash_table, compute_kill_rd, compute_rd, compute_ae_kill,
classic_gcse, compute_transp, cprop, compute_pre_data,
compute_transpout, invalidate_nonnull_info,
delete_null_pointer_checks_1, delete_null_pointer_checks,
compute_code_hoist_vbeinout, hoist_code, compute_ld_motion_mems,
compute_store_table, build_store_vectors, store_motion): Likewise.
* global.c (global_conflicts, mark_elimination): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* haifa-sched.c (sched_init): Likewise.
* ifcvt.c (if_convert): Likewise.
* lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
compute_available, compute_nearerout, compute_rev_insert_delete,
optimize_mode_switching): Likewise.
* local-alloc.c (local_alloc, update_equiv_regs): Likewise.
* predict.c (estimate_probability, note_prediction_to_br_prob,
propagate_freq, counts_to_freqs, expensive_function_p,
estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges, get_exec_counts,
compute_branch_probabilities, compute_checksum, branch_prob,
find_spanning_tree): Likewise.
* recog.c (split_all_insns, peephole2_optimize): Likewise.
* reg-stack.c (reg_to_stack, convert_regs_entry, convert_regs):
Likewise.
* regclass.c (scan_one_insn, regclass): Likewise.
* regmove.c (mark_flags_life_zones, regmove_optimize,
record_stack_memrefs): Likewise.
* regrename.c (regrename_optimize, copyprop_hardreg_forward): Likewise.
* reload1.c (reload, reload_combine, fixup_abnormal_edges): Likewise.
* resource.c (find_basic_block): Likewise.
* sched-ebb.c (schedule_ebbs): Likewise.
* sched-rgn.c (is_cfg_nonregular, build_control_flow,
find_single_block_region, find_rgns, schedule_insns)
* sibcall.c (optimize_sibling_and_tail_recursive_call)
* ssa-ccp.c (optimize_unexecutable_edges,
ssa_ccp_df_delete_unreachable_insns): Likewise.
* ssa-dce.c (ssa_eliminate_dead_code): Likewise.
* ssa.c (find_evaluations, compute_dominance_frontiers_1,
rename_block, convert_to_ssa, compute_conservative_reg_partition,
compute_coalesced_reg_partition, rename_equivalent_regs,
convert_from_ssa): Likewise.
* config/ia64/ia64.c (emit_predicate_relation_info, process_epilogue,
process_for_unwind_directive): Likewise.
* df.c (FOR_ALL_BBS): Removed.
* gcse.c (struct null_pointer_info): Type of current_block field
changed.
(struct reg_avail_info): Type of last_bb field changed.
* config/ia64/ia64.c (block_num): Removed.
(need_copy_state): Type changed.
(last_block): New.
From-SVN: r53804
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* cfgbuild.c: Fix formatting.
* cfg.c: Likewise.
* cfgcleanup.c: Likewise.
* cfglayout.c: Likewise.
* cfgloop.c: Likewise.
* cfgrtl.c: Likewise.
From-SVN: r53717
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From-SVN: r53537
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From-SVN: r53522
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From-SVN: r49019
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* cfgloop.c (flow_loop_entry_edges_find): Fix typo.
(flow_loop_exit_edges_find): Likewise.
From-SVN: r48407
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* rtl.h (in_expr_list_p): New declaration.
* rtlanal.c (in_expr_list_p): New function.
* cfgcleanup.c: Reformatting and minor code rearrangement.
* cfglayout.c, cfgloop.c, cfgrtl.c: Likewise.
From-SVN: r48304
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order of the CFG correctly when...
* cfgloop.c (flow_loops_find): Use the information of the depth
first search order of the CFG correctly when finding natural loops.
From-SVN: r48227
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* ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog.5, ChangeLog,
cfg.c, cfganal.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c,
collect2.c, combine.c, config.in, configure, configure.in,
conflict.c, dwarf2out.c, dwarfout.c, except.c, final.c, flow.c,
genattrtab.c, ggc-page.c, jump.c, lcm.c, predict.c, reg-stack.c,
reload1.c, rtlanal.c, sched-rgn.c, toplev.c, unwind-dw2-fde.h: Fix
spelling errors.
From-SVN: r46928
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* Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
New.
* basic-block.h (flow_obstack, label_value_list,
tail_recursion_label_list): Declare
(tidy_fallthru_edges): Declare.
(expunge_block, last_loop_beg_note): Delete.
(can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
* cfg.c: New file
(basic_block_for_insn, label_value_list): Move from flow.c; make global.
(n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
flow_delete_insn, flow_delete_insn_chain, create_basic_block,
expunge_block, flow_delete_block, compute_bb_for_insn,
update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
try_redirect_by_replacing_jump, last_loop_beg_note,
redirect_edge_and_branch, redirect_edge_and_branch_force,
tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
split_edge, insert_insn_on_edge, commit_one_edge_insertion,
commit_edge_insertions, dump_flow_info, debug_flow_info,
dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
verify_flow_info, purge_dead_edges, purge_all_dead_edges):
Move here from flow.c
* cfganal.c: New file.
(forwarder_block_p, can_fallthru, mark_critical_edges,
mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
find_unreachable_blocks, create_edge_list, free_edge_list,
print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
flow_edge_list_print, remove_fake_successors, remove_fake_edges,
add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
Move here from flow.c
* cfgbuild.c: New file
(count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
make_edges, find_basic_blocks_1, find_basic_blocks,
find_sub_basic_blocks): Move here from flow.c
* cfgcleanup.c: New file.
(try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps, merge_blocks,
flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
try_crossjump_bb, try_optimize_cfg): Move here from flow.c
(delete_unreachable_blocks, cleanup_cfg): Likewise; return true
if succeeded.
* cfgloop.c: New file
(flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
flow_loop_exit_edges_find, flow_loop_nodes_find,
flow_loop_pre_header_scan, flow_loop_pre_header_find,
flow_loop_tree_node_add, flow_loops_tree_build,
flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
Move here from flow.c
* flow.c: Remove everything moved elsewhere
* output.h (cleanup_cfg): Return bool.
* bb-reorder.c (reorder_block_def): Remove 'index'.
(insert_intra_1): Add argument BB, set block for new note.
(make_reorder_chain): Do not depdent on BB indexes.
(make_reorder_chain_1): Do not use BB indexes.
(label_for_bb): Likewise; set BB for new insn.
(emit_jump_to_block_after): Likewise.
(fixup_reoder_chain): Sanity check that all basic blocks
are chained; verify newly created insn chain; remove
undocnitional jump simplifying; Do not use BB indexes;
properly initialize count and frequency information;
dump reordered sequence.
(insert_intra_bb_scope_notes): update call of insert_intra_1.
(insert_inter_bb_scope_notes): Set block for new insn.
(reorder_basic_blocks): Dump flow info before reoredering.
From-SVN: r45504
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