From: Bernd Schmidt <bernds@codesourcery.com>
Date: Wed, 5 Oct 2011 20:42:21 +0000 (+0000)
Subject: function.c (thread_prologue_and_epilogue_insns): Don't shrink-wrap if profiling after... 
X-Git-Tag: releases/gcc-4.7.0~3355
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ee049cb79a217b6a31208092bc72f42f9fdb57c0;p=thirdparty%2Fgcc.git

function.c (thread_prologue_and_epilogue_insns): Don't shrink-wrap if profiling after the prologue.

	* function.c (thread_prologue_and_epilogue_insns): Don't shrink-wrap
	if profiling after the prologue.

From-SVN: r179577
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b37b082fa4b2..c725dbaeb463 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-05  Bernd Schmidt  <bernds@codesourcery.com>
+
+	* function.c (thread_prologue_and_epilogue_insns): Don't shrink-wrap
+	if profiling after the prologue.
+
 2011-10-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/50613
diff --git a/gcc/function.c b/gcc/function.c
index 2c0b89780b58..6484916cef0e 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -5571,6 +5571,7 @@ thread_prologue_and_epilogue_insns (void)
       }
       
   if (flag_shrink_wrap && HAVE_simple_return
+      && (targetm.profile_before_prologue () || !crtl->profile)
       && nonempty_prologue && !crtl->calls_eh_return)
     {
       HARD_REG_SET prologue_clobbered, prologue_used, live_on_edge;