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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-09-02 15:10:35 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-09-02 15:10:35 +0000 |
| commit | fb5661a8848ff65cded683454110dad229349d8e (patch) | |
| tree | 75a54a752d65d101b76323c63f8cfca2b12333f2 /llvm/lib/Target | |
| parent | 78e8011a29d8c38af35da8e74c9d9ceaf2b0d1dd (diff) | |
| download | bcm5719-llvm-fb5661a8848ff65cded683454110dad229349d8e.tar.gz bcm5719-llvm-fb5661a8848ff65cded683454110dad229349d8e.zip | |
[X86] getPMOVMSKB - add MVT::v64i8 handling and remove from combineBitcastvxi1. NFCI.
llvm-svn: 370670
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 0483c3f13e4..3c188aa50a9 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) |
