| Commit message (Collapse) | Author | Age | Files | Lines |
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* doc/invoke.texi (max-predicted-iterations, max-cse-insns,
max-flow-memory-location): Document.
* flow.c: Include params.h
(MAX_MEM_SET_LIST_LEN): Kill.
(add_to_mem_set_list): Use new param.
* cse.c (cse_basic_block): Replace 1000 by new param.
* params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
* predict.c (predict_loops): Use new param.
* predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106520 138bc75d-0d04-0410-961f-82ee72b054a4
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* predict.c (predict_loops): Do not estimate more than
MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
* predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106276 138bc75d-0d04-0410-961f-82ee72b054a4
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loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
tree-sra.c, config/arm/arm.c, config/crx/crx.c,
config/i386/i386.c, config/mips/mips.h,
config/rs6000/rs6000.h, config/sh/sh.c,
config/stormy16/stormy16.c: Fix comment typos.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102620 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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collect2.h, conflict.c, coretypes.h, coverage.h, errors.h,
gcc.h, gcov-dump.c, gen-protos.c, gencheck.c, gencodes.c,
genconstants.c, gengenrtl.c, genmodes.c, genpeep.c,
gensupport.h, graph.h, gthr-gnat.c, gthr-gnat.h, gthr-posix.c,
gthr-posix.h, hard-reg-set.h, hwint.h, integrate.h, libgcc2.c,
lists.c, machmode.def, mips-tdump.c, opts.h, params.c,
predict.def, predict.h, protoize.c, reload.h, resource.h,
rtl-error.c, sbitmap.c, sbitmap.h, sreal.c, tlink.c,
tree-dump.h, tree-inline.h, unwind-dw2-fde.c, unwind-dw2.c,
unwind-sjlj.c, value-prof.h: Update copyright.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89097 138bc75d-0d04-0410-961f-82ee72b054a4
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(apply_return_prediction): Likewise.
(tree_bb_level_predictions): Likewise.
(tree_estimate_probability): Add noreturn exit edges; call
bb_level_predictions; fix logic of return heuristics.
(predict_paths_leading_to): Rescuesce from old CVS version of
process_note_prediction function.
* predict.def (PRED_TREE_EARLY_RETURN): New predictor.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87768 138bc75d-0d04-0410-961f-82ee72b054a4
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* Makefile.in (cfgexpand.o): New object file.
(builtins.o): Add dependency on basic-block.h
* builtins.c: Include basic-block.h
(entry_of_function): New function.
(expand_builtin_apply_args, expand_builtin_saveargs): Use it.
* cfgexpand.c: New file.
* expr.c (execute_expand, pass_expand): Kill.
* pass.c (rest_of_compilation): Do not build CFG unless called from
coverage code.
* tree-cfg.c (delete_tree_cfg): Rename to..
(delete_tree_cfg_annotations): ... this one; Do not remove the CFG itself.
* tree-flow.h (delete_tree_cfg_annotations): Declare.
(dleete_tree_cfg): Kill.
* tree-optimize.c (execute_rebuild_bind, pass_rebuild_bind): Kill.
(execute_del_cfg): Rename to...
(execute_free_datastructures): This one...
(pass_del_cfg): Rename to...
(pass_free_datastructures): ... this one; Do not kill PROP_cfg.
(init_tree_optimization_passes): Make cfg build and profiling to happen
unconditionally.
* tree-mudflap.c (mf_decl_cache_locals): Skip labels before
inserting the cache variables.
* tree-mudflap.c: Include headers to make basic_block available.
Move functions around such that related functions are near each
other. Add prototypes for all static functions. Add comments
briefly explaining what IR the mudflap1 and mudflap2 work on and
what they do.
(mudflap_function_decls): Rename to execute_mudflap_function_decls.
(mudflap_function_ops): Rename to execute_mudflap_function_ops.
(pass_mudflap_1, pass_mudflap_2): Update.
(mf_decl_cache_locals): Make it work on the CFG instead of the saved
function tree.
(mf_build_check_statement_for): Make it work on the CFG.
(mf_xform_derefs_1): Likewise. Cleanup code style.
(mf_xform_derefs): Likewise.
* tree-cfg.c (label_to_block): Invent the label destination for
undefined labels.
(cleanup_dead_labels): Update table in the case label_to_block added
new label.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83385 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81764 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@74018 138bc75d-0d04-0410-961f-82ee72b054a4
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* c-common.def: Likewise.
* cfgcleanup.c: Likewise.
* combine.c: Likewise.
* gengtype.c: Likewise.
* params.def: Likewise.
* predict.def: Likewise.
* rtl.def: Likewise.
* stab.def: Likewise.
* stor-layout.c: Likewise.
* tree.def: Likewise.
* config/darwin.c: Likewise.
* config/darwin.h: Likewise.
* config/dbxcoff.h: Likewise.
* config/elfos.h: Likewise.
* config/fp-bit.c: Likewise.
* config/freebsd-spec.h: Likewise.
* config/interix.h: Likewise.
* config/libgloss.h: Likewise.
* config/linux-aout.h: Likewise.
* config/linux.h: Likewise.
* config/lynx-ng.h: Likewise.
* config/lynx.h: Likewise.
* config/netbsd-aout.h: Likewise.
* config/netbsd.h: Likewise.
* config/netware.h: Likewise.
* config/psos.h: Likewise.
* config/ptx4.h: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57624 138bc75d-0d04-0410-961f-82ee72b054a4
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(function_footer): ... this one.
(unlink_insn_chain): New functions.
(label_for_bb): Only call block_label and emit debug message.
(record_effective_endpoints): Actually unlink the headers and footers.
(fixup_reorder_cahin): Re-insert the unlinked sequences.
(cfg_layout_duplicate_bb): Use duplicate_insn_chain.
* cfglayout.h (struct reorder_block_def): New fields footer/header;
remove eff_head/eff_end.
* rtl.h (set_first_insn): Declare.
* emit-rtl.c (set_first_insn): New function.
* cfglayout.c (fixup_reorder_chain): Dump duplicated
(cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
cfg_layout_duplicate_bb): New global function.
(duplicate_insn_chain): New static function.
* cfglayout.h (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
cfg_layout_duplicate_bb): Declare.
(struct reorder_block_def): Add "original" field.
* emit-rtl.c (emit_copy_of_insn_after): New function.
* rtl.h (emit_copy_of_insn_after): Declare.
* cfglayout.c (fixup_fallthru_exit_predecessor): Kill.
(fixup_reorder_chain): properly handle edges to exit block.
Wed May 8 11:10:31 CEST 2002 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
Jan Hubicka <jh@suse.cz>
* basic-block.h (note_prediction_to_br_prob): declare.
* c-semantics.c: Inlucde predit.h
(expand_stmt): predict GOTO_STMT as not taken.
* cfgcleanup.c: (delete_unreachable_blocks): Make global.
(cleanup_cfg): Do not free tail_recursion_list.
* cfgrtl.c (can_delete_note_p): Delete NOTE_INSN_PREDICTION.
(flow_delete_block): Kill predictions past end of basic block.
* output.h (delete_unreachable_blocks): Declare.
* predict.c (predicted_by_p, process_note_predictions,
process_note_prediction, last_block_p): New function.
(estimate_probability): Bypass loop on PRED_CONTINUE;
do not handle noreturn heuristics; kill PRED_RETURN; add
PRED_EARLY_RETURN.
* predict.def (PRED_CONTINUE, PRED_EARLY_RETURN, PRED_GOTO,
PRED_CONST_RETURN, PRED_NEGATIVE_RETURN, PRED_NULL_RETURN): New.
* predict.h (IS_TAKEN): New constant.
* print-rtl.c (print_rtx): Pretty print NOTE_INSN_PREDICTION.
* rtl.c (NOTE_INSN_PREDICTION): New.
* rtl.h (NOTE_PREDICTION, NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS):
New macro.
(insn_note): add NOTE_INSN_PREDICTION.
* sibcall.c (optimize_sibling_and_tail_recursive_call): Do not build
CFG; free tail_recursion_label_list.
* stmt.c: Include predict.h;
(return_prediction): New.
(expand_value_return): Use it.
* toplev.c: Lower NOTE_INSN_PREDICTION before sibcall.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53285 138bc75d-0d04-0410-961f-82ee72b054a4
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PRED_ERROR_RETURN): Make probabilities match reality.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48041 138bc75d-0d04-0410-961f-82ee72b054a4
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* predict.def (PRED_OPCODE_POSITIVE, PRED_OPCODE_NONEQUAL,
PRED_FPOPCODE): New.
* i386.c (override_options): Recognize various CPU variants and set
SSE/MMX/3dNOW flags accordingly.
* i386.h (MASK_MMX_SET, MASK_SSE_SET, MASK_SSE2_SET, MASK_3DNOW_SET,
MASK_3DNOW_A_SET): New.
(MASK_ACCUMULATE_OUTGOING_ARGS_SET): New.
(MASK_NO_ACCUMULATE_OUTGOING_ARGS): Delete.
(MASK_*): Renumber.
(TARGET_FLAGS): Use new masks.
(CPP_CPU_SPECS): Recognize new CPU variants.
* invoke.texi (-mcpu): Update documentation.
* flags.h (flag_prefetch_loop_arrays): Declare.
* loop.h (LOOP_PREFETCH): Define new constant.
* loop.c (strength_reduce): Call emit_prefetch_instructions.
(MAX_PREFETCHES, PREFETCH_BLOCKS_BEFORE_LOOP_MAX,
PREFETCH_BLOCKS_BEFORE_LOOP_MIN, PREFETCH_BLOCKS_IN_LOOP_MIN): New
constants.
(check_store_data): New structure.
(check_store, emit_prefetch_instructions, rtx_equal_for_prefetch_p):
New functions.
* toplev.c: Include insn-flags.h.
(flag_prefetch_loop_arrays): New global variable.
(lang_independent_option): Add -fprefetch-loop-arrays.
(rest_of_compilation) Pass LOOP_PREFETCH when flag_prefetch_loop_arrays
is set.
* Makefile.in (toplev.c): Depend on insn-flags.h.
* invoke.texi (-fprefetch-loop-arrays): Document.
* predict.c (estimate_probability): Distribute the loop exit
probability according to number of exit edges.
* cfgcleanup.c (insns_match_p): Break out from ...;
(flow_find_cross_jump): ... here;
(outgoing_edges_match): Add parameter MODE; attempt to match everything
except for tablejumps.
(try_crossjump_to_edge): Accept complex edges.
(try_crossjump_bb): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47969 138bc75d-0d04-0410-961f-82ee72b054a4
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ChangeLog.5, ChangeLog, FSFChangeLog.10, FSFChangeLog.11,
c-common.c, c-common.h, c-parse.in, c-typeck.c, cfg.c, config.gcc,
configure, configure.in, except.c, except.h, flow.c, function.c,
gcc.c, gcse.c, genrecog.c, libgcc2.c, loop.c, loop.h, params.def,
predict.def, predict.h, reg-stack.c, regmove.c, sched-deps.c,
sched-int.h, sibcall.c, ssa.c, stringpool.c, toplev.c, tree.c,
unroll.c: Fix spelling errors.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46595 138bc75d-0d04-0410-961f-82ee72b054a4
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bitmap.h, builtin-types.def, builtins.c, builtins.def,
c-aux-info.c, c-common.c, c-common.def, c-common.h,
c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
conditions.h, config.gcc, configure.frag, configure.in,
conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
emit-rtl.c, errors.c, errors.h, except.c, except.h,
exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
gencheck.c, gencodes.c, genconfig.c, genemit.c,
genextract.c, genflags.c, gengenrtl.c, genmultilib,
genopinit.c, genoutput.c, genpeep.c, genrecog.c,
gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
params.h, predict.c, predict.def, predict.h, prefix.c,
prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
regclass.c, regmove.c, regrename.c, regs.h, reload.c,
reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
xcoffout.h: replace "GNU CC" with "GCC".
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45105 138bc75d-0d04-0410-961f-82ee72b054a4
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(propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
(estimate_bb_frequencies): Call mark_dfs_back_edges.
* i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
(ix86_adjust_cost): Teach scheduler that latency to load operand can
be masked.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44921 138bc75d-0d04-0410-961f-82ee72b054a4
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(combine_predictions_for_insn): Determine the used heuristics,
output the case no heuristic applied.
* predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44853 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44719 138bc75d-0d04-0410-961f-82ee72b054a4
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match heuristics.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44473 138bc75d-0d04-0410-961f-82ee72b054a4
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* bb-reorder (fixup_reorder_chain): Set counts and frequencies
for new BB/edges.
* flow.c (find_sub_basic_blocks): Likewise.
(try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
(redirect_edge_and_branch): Use EDGE_FREQUENCY.
* predict.c (DEF_PREDICTOR): New argument FLAGS.
(HITRATE): New macro.
(PRED_FLAG_FIRST_MATCH): New constant.
(predictor_info): New field flgags.
(combine_predictions_for_insn): Use DS theory to combine
probabilities; set the edge probabilities when finished.
(estimate_probability): Avoid duplicated matches
of LOOP_BRANCH heuristics for nested loops; update comment.
* predict.def: Add flags for each prediction, set probabilities
according to B&L paper.
* predict.h (DEF_PREDICTOR): New argument FLAGS.
* profile.c (compute_branch_probabilities): Cleanup way the edge
probabilities are computed and REG_BR_PROB notes are dropped; if
values does not match, emit error.
(init_branch_prob): Do error instead of warning when profile driven
feedback is missing or corrupt.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44439 138bc75d-0d04-0410-961f-82ee72b054a4
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(unroll_loop): Drop prediction notes on preconditioning.
* predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
New; add comments on the others.
* Makefile.in: (unroll.o): Add dependancy on predict.h.
* loop.c (strength_reduce): Fix branch prediction.
* stmt.c (emit_case_nodes): Optimize test whether index is in given
interval.
* predict.c (estimate_probability): Do not bail out early
when note is present.
(combine_predictions_for_insn): Fix note removal code.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43441 138bc75d-0d04-0410-961f-82ee72b054a4
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(strength_reduce): Drop branch prediction note in case
number of iterations is known.
* predict.def (PRED_LOOP_ITERATIONS): new.
* Makefile.in (loop.o): Add dependancy on predict.h
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43251 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43131 138bc75d-0d04-0410-961f-82ee72b054a4
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* predict.c (estimate_probability): Calculate dominance
information; improve detection of NORETURN heuristics;
add call/error_return heuiristics; tweak comparison heuristics
to recognize -1.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43130 138bc75d-0d04-0410-961f-82ee72b054a4
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* predict.h: New file.
* predict.c: Include predict.h.
(predictor_info): New structure and array.
(predict_edge, predict_insn): Rewrite; make global.
(predict_edge_def, predict_insn_def): New global functions.
(dump_prediction, combine_predictions_for_insns): New
static functions.
(estimate_probability): Change calls to predict_edge
to predict_edge_def and calls to predict_insn to predict_insn_def;
combine probabilities.
(expected_value_to_br_prob): Behave as predictor.
* rtl.h (REG_BR_PRED): Update coment.
(invert_br_probabilities): New.
* jump.c: Include predict.h
(duplicate_loop_exit_test): Drop branch prediction notes.
(invert_jump): Use invert_br_probabilities.
* Makefile.in: Add dependancy on predict.h for jump and predict pass.
* ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
* combine.c (distribute_notes): Handle BR_PRED.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43115 138bc75d-0d04-0410-961f-82ee72b054a4
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