From 17113bf6f3bd2fbb8b0558a4d3584764410e4b0b Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 20 Mar 2012 11:18:06 +0000
Subject: [PATCH] 	* config/i386/i386.c (ix86_decompose_address) <case
 ZERO_EXTEND>: 	If operand isn't UNSPEC, return 0.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185568 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ChangeLog          | 5 +++++
 gcc/config/i386/i386.c | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b9378ea..d2dcbe5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-03-20  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
+	If operand isn't UNSPEC, return 0.
+
 2012-03-20  Richard Guenther  <rguenther@suse.de>
 
 	* tree-pass.h (pass_rtl_eh): Remove.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index cf673fd..2410236 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -11516,6 +11516,8 @@ ix86_decompose_address (rtx addr, struct ix86_address *out)
 
 	    case ZERO_EXTEND:
 	      op = XEXP (op, 0);
+	      if (GET_CODE (op) != UNSPEC)
+		return 0;
 	      /* FALLTHRU */
 
 	    case UNSPEC:
-- 
2.7.4