From: Jan Hubicka <jh@suse.cz>
Date: Sun, 30 May 2010 23:36:18 +0000 (+0200)
Subject: * predict.c (maybe_hot_edge_p): Calls to functions called once is cold.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=22983f55de9d34ab73af4d2a257f65b7f2f0db4d;p=gcc.git

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

From-SVN: r160061
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 986aacee4e6..f21ba34e4f6 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 29e0e2fcd99..1bccd4d2c26 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)