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author | Jan Hubicka <hubicka@gcc.gnu.org> | 2002-05-08 09:17:27 +0000 |
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committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2002-05-08 09:17:27 +0000 |
commit | 969d70ca573bbd887b1ccfa21130c70b463ad1f9 (patch) | |
tree | e792f9087c41693050ce30fb1cf4b7791611a354 /gcc/rtl.c | |
parent | 41f8d041be068873c8c27b3e9c86bed3b2c90385 (diff) | |
download | gcc-969d70ca573bbd887b1ccfa21130c70b463ad1f9.zip gcc-969d70ca573bbd887b1ccfa21130c70b463ad1f9.tar.gz gcc-969d70ca573bbd887b1ccfa21130c70b463ad1f9.tar.bz2 |
cfglayout.c (function_tail_eff_head): Rename to ...
* cfglayout.c (function_tail_eff_head): Rename to ...
(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.
From-SVN: r53285
Diffstat (limited to 'gcc/rtl.c')
-rw-r--r-- | gcc/rtl.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -216,7 +216,8 @@ const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS] = "NOTE_INSN_EH_REGION_BEG", "NOTE_INSN_EH_REGION_END", "NOTE_INSN_REPEATED_LINE_NUMBER", "NOTE_INSN_RANGE_BEG", "NOTE_INSN_RANGE_END", "NOTE_INSN_LIVE", - "NOTE_INSN_BASIC_BLOCK", "NOTE_INSN_EXPECTED_VALUE" + "NOTE_INSN_BASIC_BLOCK", "NOTE_INSN_EXPECTED_VALUE", + "NOTE_INSN_PREDICTION" }; const char * const reg_note_name[] = |