diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetTransformInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index 6ffef1654ea..28ae96d4108 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -857,13 +857,17 @@ int X86TTIImpl::getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy) { int ISD = TLI->InstructionOpcodeToISD(Opcode); assert(ISD && "Invalid opcode"); + static const CostTblEntry SSE2CostTbl[] = { + { ISD::SETCC, MVT::v2i64, 8 }, + { ISD::SETCC, MVT::v4i32, 1 }, + { ISD::SETCC, MVT::v8i16, 1 }, + { ISD::SETCC, MVT::v16i8, 1 }, + }; + static const CostTblEntry SSE42CostTbl[] = { { ISD::SETCC, MVT::v2f64, 1 }, { ISD::SETCC, MVT::v4f32, 1 }, { ISD::SETCC, MVT::v2i64, 1 }, - { ISD::SETCC, MVT::v4i32, 1 }, - { ISD::SETCC, MVT::v8i16, 1 }, - { ISD::SETCC, MVT::v16i8, 1 }, }; static const CostTblEntry AVX1CostTbl[] = { @@ -906,6 +910,10 @@ int X86TTIImpl::getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy) { if (const auto *Entry = CostTableLookup(SSE42CostTbl, ISD, MTy)) return LT.first * Entry->Cost; + if (ST->hasSSE2()) + if (const auto *Entry = CostTableLookup(SSE2CostTbl, ISD, MTy)) + return LT.first * Entry->Cost; + return BaseT::getCmpSelInstrCost(Opcode, ValTy, CondTy); } |
