From: rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 5 Jul 2003 10:23:33 +0000 (+0000)
Subject: 	* cfgloopmanip.c (force_single_succ_latches): Force latch to be
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2492b9c7a2d5978c0e00d85c99a1ffb8101697b0;p=thirdparty%2Fgcc.git

	* cfgloopmanip.c (force_single_succ_latches): Force latch to be
	different from header.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68965 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 00c5a07e6435..3fb943611c9c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-07-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
+
+	* cfgloopmanip.c (force_single_succ_latches): Force latch to be
+	different from header.
+
 2003-07-05  Andreas Schwab  <schwab@suse.de>
 
 	* config/m68k/m68k.c: Remove code protected by CRDS.
diff --git a/gcc/cfgloopmanip.c b/gcc/cfgloopmanip.c
index 31ecc6cfe976..6075b4c115d1 100644
--- a/gcc/cfgloopmanip.c
+++ b/gcc/cfgloopmanip.c
@@ -1191,7 +1191,8 @@ force_single_succ_latches (struct loops *loops)
   for (i = 1; i < loops->num; i++)
     {
       loop = loops->parray[i];
-      if (!loop->latch->succ->succ_next)
+      if (loop->latch != loop->header
+	  && !loop->latch->succ->succ_next)
 	continue;
 
       for (e = loop->header->pred; e->src != loop->latch; e = e->pred_next)