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| author | Jan Hubicka <jh@suse.cz> | 2011-01-22 22:47:40 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2011-01-22 21:47:40 +0000 |
| commit | e8ff8c5ab821ec0867687fb46cb8d012c0d5b325 (patch) | |
| tree | b5772c7378d64070137aeb9449a4d84467164354 /gcc/predict.c | |
| parent | ccaed3ba91952bdc19aecce21d49714c5599ad2d (diff) | |
| download | gcc-e8ff8c5ab821ec0867687fb46cb8d012c0d5b325.zip gcc-e8ff8c5ab821ec0867687fb46cb8d012c0d5b325.tar.gz gcc-e8ff8c5ab821ec0867687fb46cb8d012c0d5b325.tar.bz2 | |
re PR target/43884 (Performance degradation for simple fibonacci numbers calculation)
PR tree-optimization/43884
PR lto/44334
* predict.c (maybe_hot_frequency_p): Use entry block frequency as an base.
* doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
* gcc.dg/autopar/outer-2.c: Increase array size.
* gcc.dg/tree-ssa/ldist-pr45948.c: Update test.
From-SVN: r169136
Diffstat (limited to 'gcc/predict.c')
| -rw-r--r-- | gcc/predict.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/predict.c b/gcc/predict.c index a86708a..dc1104f 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -126,7 +126,7 @@ maybe_hot_frequency_p (int freq) if (node->frequency == NODE_FREQUENCY_EXECUTED_ONCE && freq <= (ENTRY_BLOCK_PTR->frequency * 2 / 3)) return false; - if (freq < BB_FREQ_MAX / PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION)) + if (freq < ENTRY_BLOCK_PTR->frequency / PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION)) return false; return true; } |