| Age | Commit message (Collapse) | Author | Files | Lines |
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* bt-load.c: Fix comment typos.
* c-incpath.c: Likewise.
* cfg.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* diagnostic.h: Likewise.
* dwarfout.c: Likewise.
* emit-rtl.c: Likewise.
* et-forest.c: Likewise.
* et-forest.h: Likewise.
* expr.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* jump.c: Likewise.
* langhooks.h: Likewise.
* local-alloc.c: Likewise.
* loop-unroll.c: Likewise.
* loop-unswitch.c: Likewise.
* ra-build.c: Likewise.
* regclass.c: Likewise.
* regmove.c: Likewise.
* rtl.def: Likewise.
* rtlanal.c: Likewise.
* sched-ebb.c: Likewise.
* sched-rgn.c: Likewise.
* simplify-rtx.c: Likewise.
* ssa.c: Likewise.
* tracer.c: Likewise.
* tree.c: Likewise.
From-SVN: r68975
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* basic-block.h (create_basic_block, merge_blocks_nomove): Kill.
* cfgcleanup.c (merge_blocks): Rename to merge_blocks_move.
(merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps): Use merge_blocks.
(try_optimize_cfg): Use merge_blocks_move.
* cfgrtl.c (create_basic_block): Rename to rtl_create_basic_block.
(merge_blocks_nomove): Rename to rtl_merge_blocks.
(cfg_layout_create_basic_block): New.
(rtl_can_merge_blocks): New.
(cfg_layout_split_block): Do not alloc aux by hand.
* cfghooks.h (cfg_hooks): Add create_basic_block, can_merge_blocks_p,
merge_blocks.
(create_basic_block, can_merge_blocks_p, merge_blocks): New macros.
* cfglayout.c (cfg_layout_duplicate_bb): Do not allocate aux by hand.
* cfgloopmanip.c (loop_split_edge_with): Likewise.
* ifcvt.c (merge_if_block): Use merge_blocks_nomove.
* basic-block.h (basic_block_def): Add field 'rbi'.
* bb-reorder.c (find_traces, rotate_loop, mark_bb_visited,
find_traces_1_round, copy_bb, connect_traces): Update use of rbi.
* cfg.c (entry_exit_blocks): Add new field.
* cfglayout.c: Include alloc-pool.h;
(cfg_layout_pool): New.
(record_effective_endpoints, fixup_reorder_chain,
fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update use
of rbi.
(cfg_layout_initialize_rbi): New function.
(cfg_layout_initialize): Use it.
(cfg_layout_finalize): Clear rbi fields.
* cfglayout.h (RBI): Kill.
(cfg_layout_initialize_rbi): Declare.
* cfgloopmanip.c (copy_bbs): Use rbi.
(record_exit_edges): Likewise.
(duplicate_loop_to_header_edge): Likewise.
* cfgrtl.c (cfg_layout_create_basic_block): Use
cfg_layout_initialize_rbi.
(cfg_layout_split_block): Use rbi.
(cfg_layout_delete_block): Likewise.
* loop-init.c (loop_optimizer_finalize): Likewise.
* loop-unswitch.c (unswitch_loop): Likewise.
* tracer.c (seen, tail_duplicate, layout_superblocks): Likewise.
* cfgrtl.c: Update comments.
(try_redirect_by_replacing_jump): New argument.
(redirect_branch_edge): Break out from ...
(rtl_redirect_edge_and_branch): ... this one.
(update_cfg_after_block_merging): Break out from ...
(rtl_merge_blocks): ... this one.
(cfg_layout_split_edge): New.
(cfg_layout_merge_blocks): New.
(cfg_layout_can_merge_blocks_p): New.
(cfg_layout_redirect_edge_and_branch): Reorganize.
(cfg_layout_rtl_cfg_hooks): Fill in.
(cfg_layout_delete_block): Kill barriers.
* cfganal.c (can_fallthru): Deal with exit blocks
* cfglayout.c (cfg_layout_function_header): New function
(record_effective_endpoints): Record function header.
(fixup_reorder_chain): Fixup dead jumptables; place header
* basic-block.h (CLEANUP_CFGLAYOUT): New flag.
* bb-reorder.c (cfg_layout_initialize): Update call.
* cfgcleanup.c (try_optimize_cfg): Supress optimizations of fallthru
edges in cfglayout mode.
* cfglayout.c (cleanup_unconditional_jumps): Kill.
(cfg_layout_initialize): Kill agrument loops; use cfgcleanup.
* cfglayout.h (cfg_layout_initialize): Update prototype.
* cfgloop.h (CP_INSIDE_CFGLAYOUT): Kill.
* cfgloopmanip.c (loop_split_edge_with): Use split_edge.
* flow.c (propagate_block): Do not crash when basic block ends
by first insn in the chain.
* loop-init.c (loop_optimizer_init): First enter cfglayout mode; later
do loop discovery.
* tracer.c (tracer): Update call of cfg_layout_initialize.
From-SVN: r68899
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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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* ChangeLog: Follow spelling conventions.
* ChangeLog.2: Likewise.
* c-decl.c: Likewise.
* cfgloop.h: Likewise.
* cgraph.c: Likewise.
* coverage.c: Likewise.
* cppcharset.c: Likewise.
* cpphash.h: Likewise.
* cpplex.c: Likewise.
* cpplib.c: Likewise.
* dbxout.c: Likewise.
* df.c: Likewise.
* dwarf2out.c: Likewise.
* dwarfout.c: Likewise.
* emit-rtl.c: Likewise.
* explow.c: Likewise.
* gcov-io.c: Likewise.
* gcov-io.h: Likewise.
* gcov.c: Likewise.
* gengtype.c: Likewise.
* ggc.h: Likewise.
* opts.c: Likewise.
* real.c: Likewise.
* reload.c: Likewise.
* stmt.c: Likewise.
From-SVN: r67849
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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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* cse.c (count_reg_usage): Fix handling of REG_EQUAL notes.
* Makefile.in (loop-unroll.o): New.
* cfgloop.h (UAP_PEEL, UAP_UNROLL, UAP_UNROLL_ALL): New.
(unroll_and_peel_loops): Declare.
* alias.c (init_alias_analysis): Flag_unroll_loops renamed to
flag_old_unroll_loops.
* loop.c (loop_invariant_p): Ditto.
* unroll.c (unroll_loop): Flag_unroll_all_loops renamed to
flag_old_unroll_all_loops.
* flags.h (flag_unroll_loops): Renamed to flag_old_unroll_loops.
(flag_unroll_all_loops): Renamed to flag_old_unroll_all_loops.
* params.def (PARAM_MAX_UNROLLED_INSNS): Default value changed.
(PARAM_MAX_AVERAGE_UNROLLED_INSNS, PARAM_MAX_UNROLL_TIMES,
PARAM_MAX_PEELED_INSNS, PARAM_MAX_PEEL_TIMES,
PARAM_MAX_COMPLETELY_PEELED_INSNS, PARAM_MAX_COMPLETELY_PEEL_TIMES,
PARAM_MAX_ONCE_PEELED_INSNS): New.
* toplev.h (flag_old_unroll_loops, flag_old_unroll_all_loops): New.
(flag_unroll_loops, flag_unroll_all_loops): Used for new unroller
instead of old one.
(flag_peel_loops): New.
(lang_independent_options): The new flags added.
(rest_of_compilation): Call new unroller.
(process_options): Setup flags for coexistence of old and new unroller.
* doc/invoke.texi: Document new options.
* doc/passes.texi: Document new unroller pass.
From-SVN: r63462
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* cfgloop.h (fix_loop_placement, can_duplicate_loop_p,
duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
Declare.
(DLTHE_FLAG_UPDATE_FREQ): New.
* cfgloopmanip.c (duplicate_loop, duplicate_subloops, copy_loops_to,
loop_redirect_edge, loop_delete_branch_edge, copy_bbs, remove_bbs,
rpe_enum_p, find_branch, alp_enum_p, add_loop, fix_loop_placements,
fix_bb_placement, fix_bb_placements, place_new_loop,
scale_loop_frequencies, scale_bbs_frequencies, record_exit_edges):
New static functions.
(fix_loop_placement, can_duplicate_loop_p,
duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
New functions.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize,
unswitch_loops): Declare.
* loop-init.c: New file.
* loop-unswitch.c: New file.
* Makefile.in (loop-init.o, loop-unswitch.o): New.
* params.def (PARAM_MAX_UNSWITCH_INSNS, PARAM_MAX_UNSWITCH_LEVEL): New.
* toplev.c (DFI_loop2): New dump.
(flag_unswitch_loops): New.
(lang_independent_options): Add it.
(rest_of_compilation): Call new loop optimizer.
(parse_options_and_default_flags): Turn flag_unswitch_loops on with -O3.
From-SVN: r62578
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From-SVN: r62447
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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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