From 85b9e56bac85b30ede70e46ef9f60e4dec3b88f3 Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Tue, 22 May 2012 06:09:38 +0000 Subject: [PATCH] Fix constant used for pshufb mask when lowering v16i8 shuffles. Bug introduced in r157043. Fixes PR12908. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157236 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86ISelLowering.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 4e4cf276036..50a2d784dc6 100644 --- 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, -- 2.34.1