From 97327dc6ef5183bbad308e19ed86488c7e94d973 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Sun, 18 Mar 2012 22:50:10 +0000
Subject: isCommutedMOVLMask should only look at 128-bit vectors to match
 isMOVLMask.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153027 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86ISelLowering.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib')

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 16bd67e32e..d90317f98d 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -3712,6 +3712,8 @@ static bool isVPERMILPMask(ArrayRef<int> Mask, EVT VT, bool HasAVX) {
 static bool isCommutedMOVLMask(ArrayRef<int> Mask, EVT VT,
                                bool V2IsSplat = false, bool V2IsUndef = false) {
   unsigned NumOps = VT.getVectorNumElements();
+  if (VT.getSizeInBits() == 256)
+    return false;
   if (NumOps != 2 && NumOps != 4 && NumOps != 8 && NumOps != 16)
     return false;
 
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