From e3f049a88eb7ab9c6aa2c61afd8c93c4c2d675c9 Mon Sep 17 00:00:00 2001
From: James E Wilson <wilson@tuliptree.org>
Date: Mon, 11 Aug 2003 22:28:45 -0700
Subject: [PATCH] re PR rtl-optimization/11319 (loop miscompiled on ppc32)

PR optimization/11319
PR target/10021
* alias.c (find_base_value, case REG): Return 0 not src if no base
found.

From-SVN: r70359
---
 gcc/ChangeLog | 7 +++++++
 gcc/alias.c   | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fdd3d9705ff..0888e208797 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2003-08-11  James E Wilson  <wilson@tuliptree.org>
+
+	PR optimization/11319
+	PR target/10021
+	* alias.c (find_base_value, case REG): Return 0 not src if no base
+	found.
+
 2003-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* gcse.c (gmalloc): Fix last change.
diff --git a/gcc/alias.c b/gcc/alias.c
index 32531365882..3951fd6216b 100644
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -782,7 +782,7 @@ find_base_value (rtx src)
 	    return reg_base_value[regno];
 	}
 
-      return src;
+      return 0;
 
     case MEM:
       /* Check for an argument passed in memory.  Only record in the