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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-10-27 18:32:06 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-10-27 18:32:06 +0000 |
| commit | d23219b9eef48776e61a1423a1549489c72dbf7a (patch) | |
| tree | f884db3556c73afc2d496dbabcad35019384a5b9 /llvm/lib/Target | |
| parent | 1b0ebed572824990ad3f1ef70425b5da9ba70fce (diff) | |
| download | bcm5719-llvm-d23219b9eef48776e61a1423a1549489c72dbf7a.tar.gz bcm5719-llvm-d23219b9eef48776e61a1423a1549489c72dbf7a.zip | |
[X86][AVX512] Fix MUL v8i64 costs on non-AVX512DQ targets
llvm-svn: 285329
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 f8d3a04c367..d115eb29745 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -522,6 +522,7 @@ int X86TTIImpl::getArithmeticInstrCost( // multiplies(3), shifts(4) and adds(2). { ISD::MUL, MVT::v2i64, 9 }, { ISD::MUL, MVT::v4i64, 9 }, + { ISD::MUL, MVT::v8i64, 9 } }; if (const auto *Entry = CostTableLookup(CustomLowered, ISD, LT.second)) return LT.first * Entry->Cost; |
