diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 73 |
1 files changed, 58 insertions, 15 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index 781be2fddd9..207a7685c59 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -411,16 +411,58 @@ unsigned X86TTI::getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src) const { return TargetTransformInfo::getCastInstrCost(Opcode, Dst, Src); static const TypeConversionCostTblEntry<MVT::SimpleValueType> + AVX2ConversionTbl[] = { + { ISD::SIGN_EXTEND, MVT::v16i16, MVT::v16i8, 1 }, + { ISD::ZERO_EXTEND, MVT::v16i16, MVT::v16i8, 1 }, + { ISD::SIGN_EXTEND, MVT::v8i32, MVT::v8i1, 3 }, + { ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i1, 3 }, + { ISD::SIGN_EXTEND, MVT::v8i32, MVT::v8i8, 3 }, + { ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i8, 3 }, + { ISD::SIGN_EXTEND, MVT::v8i32, MVT::v8i16, 1 }, + { ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i16, 1 }, + { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i1, 3 }, + { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i1, 3 }, + { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i8, 3 }, + { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i8, 3 }, + { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i16, 3 }, + { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i16, 3 }, + { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i32, 1 }, + { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i32, 1 }, + + { ISD::TRUNCATE, MVT::v4i8, MVT::v4i64, 2 }, + { ISD::TRUNCATE, MVT::v4i16, MVT::v4i64, 2 }, + { ISD::TRUNCATE, MVT::v4i32, MVT::v4i64, 2 }, + { ISD::TRUNCATE, MVT::v8i8, MVT::v8i32, 2 }, + { ISD::TRUNCATE, MVT::v8i16, MVT::v8i32, 2 }, + { ISD::TRUNCATE, MVT::v8i32, MVT::v8i64, 4 }, + }; + + static const TypeConversionCostTblEntry<MVT::SimpleValueType> AVXConversionTbl[] = { - { ISD::SIGN_EXTEND, MVT::v16i16, MVT::v16i8, 1 }, - { ISD::ZERO_EXTEND, MVT::v16i16, MVT::v16i8, 1 }, - { ISD::SIGN_EXTEND, MVT::v8i32, MVT::v8i16, 1 }, - { ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i16, 1 }, - { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i32, 1 }, - { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i32, 1 }, - { ISD::TRUNCATE, MVT::v4i32, MVT::v4i64, 1 }, - { ISD::TRUNCATE, MVT::v8i16, MVT::v8i32, 1 }, - { ISD::TRUNCATE, MVT::v16i8, MVT::v16i16, 2 }, + { ISD::SIGN_EXTEND, MVT::v16i16, MVT::v16i8, 4 }, + { ISD::ZERO_EXTEND, MVT::v16i16, MVT::v16i8, 4 }, + { ISD::SIGN_EXTEND, MVT::v8i32, MVT::v8i1, 7 }, + { ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i1, 4 }, + { ISD::SIGN_EXTEND, MVT::v8i32, MVT::v8i8, 7 }, + { ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i8, 4 }, + { ISD::SIGN_EXTEND, MVT::v8i32, MVT::v8i16, 4 }, + { ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i16, 4 }, + { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i1, 6 }, + { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i1, 4 }, + { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i8, 6 }, + { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i8, 4 }, + { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i16, 6 }, + { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i16, 3 }, + { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i32, 4 }, + { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i32, 4 }, + + { ISD::TRUNCATE, MVT::v4i8, MVT::v4i64, 4 }, + { ISD::TRUNCATE, MVT::v4i16, MVT::v4i64, 4 }, + { ISD::TRUNCATE, MVT::v4i32, MVT::v4i64, 4 }, + { ISD::TRUNCATE, MVT::v8i8, MVT::v8i32, 4 }, + { ISD::TRUNCATE, MVT::v8i16, MVT::v8i32, 5 }, + { ISD::TRUNCATE, MVT::v16i8, MVT::v16i16, 4 }, + { ISD::TRUNCATE, MVT::v8i32, MVT::v8i64, 9 }, { ISD::SINT_TO_FP, MVT::v8f32, MVT::v8i1, 8 }, { ISD::SINT_TO_FP, MVT::v8f32, MVT::v8i8, 8 }, @@ -450,14 +492,15 @@ unsigned X86TTI::getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src) const { { ISD::FP_TO_SINT, MVT::v8i8, MVT::v8f32, 1 }, { ISD::FP_TO_SINT, MVT::v4i8, MVT::v4f32, 1 }, - { ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i1, 6 }, - { ISD::SIGN_EXTEND, MVT::v8i32, MVT::v8i1, 9 }, - { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i1, 8 }, - { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i8, 6 }, - { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i16, 6 }, - { ISD::TRUNCATE, MVT::v8i32, MVT::v8i64, 3 }, }; + if (ST->hasAVX2()) { + int Idx = ConvertCostTableLookup(AVX2ConversionTbl, ISD, + DstTy.getSimpleVT(), SrcTy.getSimpleVT()); + if (Idx != -1) + return AVX2ConversionTbl[Idx].Cost; + } + if (ST->hasAVX()) { int Idx = ConvertCostTableLookup(AVXConversionTbl, ISD, DstTy.getSimpleVT(), SrcTy.getSimpleVT()); |
