From 7f4db7c80779ecbc57d1146654daf0acfe18de66 Mon Sep 17 00:00:00 2001
From: rus <rus@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 9 Nov 2009 20:58:24 +0000
Subject: merge from trunk

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/profile-stdlib@154052 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/cse.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'gcc/cse.c')

diff --git a/gcc/cse.c b/gcc/cse.c
index 8f49a9af9f5..05f6ed6e0fe 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -2623,6 +2623,10 @@ exp_equiv_p (const_rtx x, const_rtx y, int validate, bool for_gcse)
   if (GET_MODE (x) != GET_MODE (y))
     return 0;
 
+  /* MEMs refering to different address space are not equivalent.  */
+  if (code == MEM && MEM_ADDR_SPACE (x) != MEM_ADDR_SPACE (y))
+    return 0;
+
   switch (code)
     {
     case PC:
-- 
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