diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-12-06 08:34:20 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-12-06 08:34:20 +0000 |
| commit | 9f694a827ab82aa4256f0bb5c870eda8f69ec26a (patch) | |
| tree | 1c3592ee7c56ccfdd8c2ce7168b872880b33ba1d /gcc/cgraphbuild.c | |
| parent | e57e60cb26ce39d3c4707869a6375ba2e00e2ebc (diff) | |
| download | gcc-9f694a827ab82aa4256f0bb5c870eda8f69ec26a.tar.gz | |
PR tree-optimization/38074
* cgraphbuild.c (compute_call_stmt_bb_frequency): Fix handling of 0
entry frequency.
* predict.c (combine_predictions_for_bb): Ignore predictor predicting
in both dirrection for first match heuristics.
(tree_bb_level_predictions): Disable noreturn heuristic when there
is no returning path.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142517 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cgraphbuild.c')
| -rw-r--r-- | gcc/cgraphbuild.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gcc/cgraphbuild.c b/gcc/cgraphbuild.c index 958fed7b0cc..75db87544ce 100644 --- a/gcc/cgraphbuild.c +++ b/gcc/cgraphbuild.c @@ -109,13 +109,12 @@ int compute_call_stmt_bb_frequency (basic_block bb) { int entry_freq = ENTRY_BLOCK_PTR->frequency; - int freq; + int freq = bb->frequency; if (!entry_freq) - entry_freq = 1; + entry_freq = 1, freq++; - freq = (!bb->frequency && !entry_freq ? CGRAPH_FREQ_BASE - : bb->frequency * CGRAPH_FREQ_BASE / entry_freq); + freq = freq * CGRAPH_FREQ_BASE / entry_freq; if (freq > CGRAPH_FREQ_MAX) freq = CGRAPH_FREQ_MAX; |