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| author | Jan Hubicka <jh@suse.cz> | 2001-07-30 17:54:12 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2001-07-30 15:54:12 +0000 |
| commit | 8b7e92f9aa28d17e31e78c90011fc4aebe086169 (patch) | |
| tree | c2af7e070b078fe76de14f6f69265751d4ccb7b0 /gcc | |
| parent | 53b475f05322f540c1065b36fc218230845d1646 (diff) | |
| download | gcc-8b7e92f9aa28d17e31e78c90011fc4aebe086169.zip gcc-8b7e92f9aa28d17e31e78c90011fc4aebe086169.tar.gz gcc-8b7e92f9aa28d17e31e78c90011fc4aebe086169.tar.bz2 | |
predict.def (noreturn, [...]): Mark as first match heuristics.
* predict.def (noreturn, loop branch, loop exit): Mark as first
match heuristics.
From-SVN: r44473
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/predict.def | 9 |
2 files changed, 11 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index abbfb6b..9520012 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def (noreturn, loop branch, loop exit): Mark as first + match heuristics. + Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz> * combine.c (try_combine): Avoid barrier after noop jumps. diff --git a/gcc/predict.def b/gcc/predict.def index 577f035..28b0bbf 100644 --- a/gcc/predict.def +++ b/gcc/predict.def @@ -58,13 +58,16 @@ DEF_PREDICTOR (PRED_BUILTIN_EXPECT, "__builtin_expect", PROB_VERY_LIKELY, PRED_FLAG_FIRST_MATCH) /* Branch to basic block containing call marked by noreturn attribute. */ -DEF_PREDICTOR (PRED_NORETURN, "noreturn call", PROB_ALWAYS, 0) +DEF_PREDICTOR (PRED_NORETURN, "noreturn call", PROB_ALWAYS, + PRED_FLAG_FIRST_MATCH) /* Loopback edge is taken. */ -DEF_PREDICTOR (PRED_LOOP_BRANCH, "loop branch", HITRATE (88), 0) +DEF_PREDICTOR (PRED_LOOP_BRANCH, "loop branch", HITRATE (88), + PRED_FLAG_FIRST_MATCH) /* Edge causing loop to terminate is probably not taken. */ -DEF_PREDICTOR (PRED_LOOP_EXIT, "loop exit", HITRATE (80), 0) +DEF_PREDICTOR (PRED_LOOP_EXIT, "loop exit", HITRATE (80), + PRED_FLAG_FIRST_MATCH) /* Condition emitted by preconditiong code to ensure that variable setting number of iterations is greater than initial value of iterator. */ |