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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-05 00:55:23 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-05 00:55:23 +0000 |
| commit | 5d157ac16a43362bd329196d4261ca72d36a4eb1 (patch) | |
| tree | 2528946d7ea31c1a4553fc28e301db2d6bfac0d1 /gcc/predict.def | |
| parent | 71cadde7bddfcbea1b66c4f49922566535136700 (diff) | |
| download | gcc-5d157ac16a43362bd329196d4261ca72d36a4eb1.tar.gz | |
PR rtl-optimization/23490
* 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
Diffstat (limited to 'gcc/predict.def')
| -rw-r--r-- | gcc/predict.def | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/gcc/predict.def b/gcc/predict.def index fefe2ed3eee..997f4d2cc98 100644 --- a/gcc/predict.def +++ b/gcc/predict.def @@ -58,18 +58,6 @@ DEF_PREDICTOR (PRED_UNCONDITIONAL, "unconditional jump", PROB_ALWAYS, DEF_PREDICTOR (PRED_LOOP_ITERATIONS, "loop iterations", PROB_ALWAYS, PRED_FLAG_FIRST_MATCH) -/* For guessed profiles, the loops having unknown number of iterations - are predicted to iterate relatively few (10) times at average. - For functions containing one loop with large known number of iterations - and other loops having unbounded loops we would end up predicting all - the other loops cold that is not usually the case. So we need to artifically - flatten the profile. - - We need to cut the maximal predicted iterations to large enought iterations - so the loop appears important, but safely within HOT_BB_COUNT_FRACTION - range. */ -#define MAX_PRED_LOOP_ITERATIONS 100 - /* Hints dropped by user via __builtin_expect feature. */ DEF_PREDICTOR (PRED_BUILTIN_EXPECT, "__builtin_expect", PROB_VERY_LIKELY, PRED_FLAG_FIRST_MATCH) |