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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2017-01-02 11:44:10 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2017-01-02 11:44:10 +0000 |
| commit | d96200d60a429bce4aa959ab2f1571b50d5970c5 (patch) | |
| tree | 1da506d33f689525ffbef3e44863e5d139d30fe9 /llvm/lib/Target | |
| parent | dad96d67515af247a45c8ca1bd4ebb2b27746cac (diff) | |
| download | bcm5719-llvm-d96200d60a429bce4aa959ab2f1571b50d5970c5.tar.gz bcm5719-llvm-d96200d60a429bce4aa959ab2f1571b50d5970c5.zip | |
Fixed shuffle-reverse cost on AVX-512.
(This changed was approved in https://reviews.llvm.org/D28118, but Simon asked to submit it separately).
llvm-svn: 290812
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index 5c021302d8d..2b0e672d56f 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -614,6 +614,7 @@ int X86TTIImpl::getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index, static const CostTblEntry AVX512BWShuffleTbl[] = { { ISD::VECTOR_SHUFFLE, MVT::v32i16, 1 }, // vpermw + { ISD::VECTOR_SHUFFLE, MVT::v16i16, 1 }, // vpermw { ISD::VECTOR_SHUFFLE, MVT::v64i8, 6 } // vextracti64x4 + 2*vperm2i128 // + 2*pshufb + vinserti64x4 }; |
