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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-11-14 14:45:16 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-11-14 14:45:16 +0000 |
| commit | 27fed8e5d636d67ed5e2dff77705dcae1fcd0b15 (patch) | |
| tree | 13c14878cb5ff358c251334e2ec8c047ddb6f258 /llvm/lib | |
| parent | e784395c99db265d8e7d358b1e03b1240abdad72 (diff) | |
| download | bcm5719-llvm-27fed8e5d636d67ed5e2dff77705dcae1fcd0b15.tar.gz bcm5719-llvm-27fed8e5d636d67ed5e2dff77705dcae1fcd0b15.zip | |
[X86][AVX] Fixed v16i16/v32i8 ADD/SUB costs on AVX1 subtargets
Add explicit v16i16/v32i8 ADD/SUB costs, matching the costs of v4i64/v8i32 - they were missing for some reason.
This has side effects on the LV max bandwidth tests (AVX1 now prefers 128-bit vectors vs AVX2 which still prefers 256-bit)
llvm-svn: 286832
Diffstat (limited to 'llvm/lib')
| -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 7029a02e682..5b3091eed3c 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -526,6 +526,10 @@ int X86TTIImpl::getArithmeticInstrCost( // Two ops + 1 extract + 1 insert = 4. { ISD::MUL, MVT::v16i16, 4 }, { ISD::MUL, MVT::v8i32, 4 }, + { ISD::SUB, MVT::v32i8, 4 }, + { ISD::ADD, MVT::v32i8, 4 }, + { ISD::SUB, MVT::v16i16, 4 }, + { ISD::ADD, MVT::v16i16, 4 }, { ISD::SUB, MVT::v8i32, 4 }, { ISD::ADD, MVT::v8i32, 4 }, { ISD::SUB, MVT::v4i64, 4 }, |
