commit 97327dc6ef5183bbad308e19ed86488c7e94d973
author Craig Topper <craig.topper@gmail.com> Sun Mar 18 22:50:10 2012 +0000
committer Craig Topper <craig.topper@gmail.com> Sun Mar 18 22:50:10 2012 +0000
tree 537221f4cac4f86cdb02c789c3203e411f9b0879
parent 75d05e6121b9c9ecad4668df42796d702cc11fb6

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

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 16bd67e..d90317f 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -3712,6 +3712,8 @@
 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;