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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-01-11 10:36:51 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-01-11 10:36:51 +0000 |
| commit | 5a81fefad3cebc32949a7955ab5e1ce8942e5c55 (patch) | |
| tree | a389da1cb7474b74cf1cb40f236bd220899e3e7e /llvm/lib/Target/X86/X86TargetTransformInfo.cpp | |
| parent | a47515ec4adf3652903d2fdb6eb765d37633aee9 (diff) | |
| download | bcm5719-llvm-5a81fefad3cebc32949a7955ab5e1ce8942e5c55.tar.gz bcm5719-llvm-5a81fefad3cebc32949a7955ab5e1ce8942e5c55.zip | |
[X86][AVX512BW] Vectorize v64i8 vector shifts
Differential Revision: https://reviews.llvm.org/D28447
llvm-svn: 291665
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetTransformInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index 586786d29e9..5715d826862 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -323,6 +323,10 @@ int X86TTIImpl::getArithmeticInstrCost( { ISD::SRL, MVT::v32i16, 1 }, // vpsrlvw { ISD::SRA, MVT::v32i16, 1 }, // vpsravw + { ISD::SHL, MVT::v64i8, 11 }, // vpblendvb sequence. + { ISD::SRL, MVT::v64i8, 11 }, // vpblendvb sequence. + { ISD::SRA, MVT::v64i8, 24 }, // vpblendvb sequence. + { ISD::MUL, MVT::v64i8, 11 }, // extend/pmullw/trunc sequence. { ISD::MUL, MVT::v32i8, 4 }, // extend/pmullw/trunc sequence. { ISD::MUL, MVT::v16i8, 4 }, // extend/pmullw/trunc sequence. |
