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Fix constant used for pshufb mask when lowering v16i8 shuffles. Bug introduced in...
author
Craig Topper
<craig.topper@gmail.com>
Tue, 22 May 2012 06:09:38 +0000
(06:09 +0000)
committer
Craig Topper
<craig.topper@gmail.com>
Tue, 22 May 2012 06:09:38 +0000
(06:09 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157236
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp
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diff --git
a/lib/Target/X86/X86ISelLowering.cpp
b/lib/Target/X86/X86ISelLowering.cpp
index 4e4cf276036abfd265fb97e0b65be90b4b93868c..50a2d784dc678af834560f445f465b7069d87777 100644
(file)
--- a/
lib/Target/X86/X86ISelLowering.cpp
+++ b/
lib/Target/X86/X86ISelLowering.cpp
@@
-5805,7
+5805,7
@@
SDValue LowerVECTOR_SHUFFLEv16i8(ShuffleVectorSDNode *SVOp,
for (unsigned i = 0; i != 16; ++i) {
int EltIdx = MaskVals[i];
EltIdx = (EltIdx < 16) ? 0x80 : EltIdx - 16;
- pshufbMask.push_back(DAG.getConstant(EltIdx
- 16
, MVT::i8));
+ pshufbMask.push_back(DAG.getConstant(EltIdx, MVT::i8));
}
V2 = DAG.getNode(X86ISD::PSHUFB, dl, MVT::v16i8, V2,
DAG.getNode(ISD::BUILD_VECTOR, dl,