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predict.c (maybe_hot_frequency_p): Make sure a zero entry-block frequency makes everything hot.

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2011-07-26  Richard Guenther  <rguenther@suse.de>

	* predict.c (maybe_hot_frequency_p): Make sure a zero entry-block
	frequency makes everything hot.

From-SVN: r176794
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Richard Guenther 2011-07-26 15:44:50 +00:00 • committed by Richard Biener
parent f2e6f32e60
commit c21510a9f1
2 changed files with 6 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-07-26 Richard Guenther <rguenther@suse.de>
* predict.c (maybe_hot_frequency_p): Make sure a zero entry-block
frequency makes everything hot.
2011-07-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/49840

2
gcc/predict.c
View file

@ -124,7 +124,7 @@ maybe_hot_frequency_p (int freq)
if (profile_status == PROFILE_ABSENT)
return true;
if (node->frequency == NODE_FREQUENCY_EXECUTED_ONCE
&& freq <= (ENTRY_BLOCK_PTR->frequency * 2 / 3))
&& freq < (ENTRY_BLOCK_PTR->frequency * 2 / 3))
return false;
if (freq < ENTRY_BLOCK_PTR->frequency / PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION))
return false;