From: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sun, 30 May 2010 23:36:18 +0000 (+0000)
Subject: 	* predict.c (maybe_hot_edge_p): Calls to functions called once is cold.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a936ef23d480f5883f4024e5d5ecf5a464528f3;p=thirdparty%2Fgcc.git

	* predict.c (maybe_hot_edge_p): Calls to functions called once is cold.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160061 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 986aacee4e61..f21ba34e4f62 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2010-05-30  Jan Hubicka  <jh@suse.cz>
+
+	* predict.c (maybe_hot_edge_p): Calls to functions called once is cold.
+
 2010-05-30  Richard Guenther  <rguenther@suse.de>
 
 	PR lto/42975
diff --git a/gcc/predict.c b/gcc/predict.c
index 29e0e2fcd997..1bccd4d2c26b 100644
--- a/gcc/predict.c
+++ b/gcc/predict.c
@@ -168,6 +168,9 @@ cgraph_maybe_hot_edge_p (struct cgraph_edge *edge)
   if (edge->caller->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED
       || edge->callee->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED)
     return false;
+  if (edge->caller->frequency > NODE_FREQUENCY_UNLIKELY_EXECUTED
+      && edge->callee->frequency <= NODE_FREQUENCY_EXECUTED_ONCE)
+    return false;
   if (optimize_size)
     return false;
   if (edge->caller->frequency == NODE_FREQUENCY_HOT)