From: Joseph Myers <joseph@codesourcery.com>
Date: Mon, 30 Jun 2014 20:53:33 +0000 (+0100)
Subject: var-tracking.c (add_stores): Return instead of asserting if old and new values for... 
X-Git-Tag: releases/gcc-5.1.0~6560
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0ca59830558c865ea8329e387207d9682021f405;p=thirdparty%2Fgcc.git

var-tracking.c (add_stores): Return instead of asserting if old and new values for conditional store are the...

	* var-tracking.c (add_stores): Return instead of asserting if old
	and new values for conditional store are the same.

From-SVN: r212178
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 671fc6ce0724..b7b8012a3cbf 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-06-30  Joseph Myers  <joseph@codesourcery.com>
+
+	* var-tracking.c (add_stores): Return instead of asserting if old
+	and new values for conditional store are the same.
+
 2014-06-30  Richard Henderson  <rth@redhat.com>
 
 	PR rtl-opt/61608
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c
index ece149250ff0..bf9735a3d55e 100644
--- a/gcc/var-tracking.c
+++ b/gcc/var-tracking.c
@@ -6016,7 +6016,8 @@ add_stores (rtx loc, const_rtx expr, void *cuip)
     {
       cselib_val *oval = cselib_lookup (oloc, GET_MODE (oloc), 0, VOIDmode);
 
-      gcc_assert (oval != v);
+      if (oval == v)
+	return;
       gcc_assert (REG_P (oloc) || MEM_P (oloc));
 
       if (oval && !cselib_preserved_value_p (oval))