From fb5661a8848ff65cded683454110dad229349d8e Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Mon, 2 Sep 2019 15:10:35 +0000 Subject: [PATCH] [X86] getPMOVMSKB - add MVT::v64i8 handling and remove from combineBitcastvxi1. NFCI. llvm-svn: 370670 --- llvm/lib/Target/X86/X86ISelLowering.cpp | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 0483c3f..3c188aa 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -26557,6 +26557,17 @@ static SDValue getPMOVMSKB(const SDLoc &DL, SDValue V, SelectionDAG &DAG, const X86Subtarget &Subtarget) { MVT InVT = V.getSimpleValueType(); + if (InVT == MVT::v64i8) { + SDValue Lo, Hi; + std::tie(Lo, Hi) = DAG.SplitVector(V, DL); + Lo = getPMOVMSKB(DL, Lo, DAG, Subtarget); + Hi = getPMOVMSKB(DL, Hi, DAG, Subtarget); + Lo = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i64, Lo); + Hi = DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i64, Hi); + Hi = DAG.getNode(ISD::SHL, DL, MVT::i64, Hi, + DAG.getConstant(32, DL, MVT::i8)); + return DAG.getNode(ISD::OR, DL, MVT::i64, Lo, Hi); + } if (InVT == MVT::v32i8 && !Subtarget.hasInt256()) { SDValue Lo, Hi; std::tie(Lo, Hi) = DAG.SplitVector(V, DL); @@ -35251,17 +35262,7 @@ static SDValue combineBitcastvxi1(SelectionDAG &DAG, EVT VT, SDValue Src, SDValue V = DAG.getNode(ISD::SIGN_EXTEND, DL, SExtVT, Src); - if (SExtVT == MVT::v64i8) { - SDValue Lo, Hi; - std::tie(Lo, Hi) = DAG.SplitVector(V, DL); - Lo = DAG.getNode(X86ISD::MOVMSK, DL, MVT::i32, Lo); - Lo = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i64, Lo); - Hi = DAG.getNode(X86ISD::MOVMSK, DL, MVT::i32, Hi); - Hi = DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i64, Hi); - Hi = DAG.getNode(ISD::SHL, DL, MVT::i64, Hi, - DAG.getConstant(32, DL, MVT::i8)); - V = DAG.getNode(ISD::OR, DL, MVT::i64, Lo, Hi); - } else if (SExtVT == MVT::v16i8 || SExtVT == MVT::v32i8) { + if (SExtVT == MVT::v16i8 || SExtVT == MVT::v32i8 || SExtVT == MVT::v64i8) { V = getPMOVMSKB(DL, V, DAG, Subtarget); } else { if (SExtVT == MVT::v8i16) -- 2.7.4