int GCNTTIImpl::getArithmeticReductionCost(unsigned Opcode, Type *Ty,
bool IsPairwise) {
EVT OrigTy = TLI->getValueType(DL, Ty);
// Computes cost on targets that have packed math instructions(which support
// 16-bit types only).
if (IsPairwise ||
!ST->hasVOP3PInsts() ||
OrigTy.getScalarSizeInBits() != 16)
return BaseT::getArithmeticReductionCost(Opcode, Ty, IsPairwise);
std::pair<int, MVT> LT = TLI->getTypeLegalizationCost(DL, Ty);
return LT.first * getFullRateInstrCost();
}
int AMDGPUTTIImpl::getMinMaxReductionCost(Type *Ty, Type *CondTy,
bool IsPairwise,
bool IsUnsigned) {
EVT OrigTy = TLI->getValueType(DL, Ty);
// Computes cost on targets that have packed math instructions(which support
// 16-bit types only).
if (IsPairwise ||
!ST->hasVOP3PInsts() ||
OrigTy.getScalarSizeInBits() != 16)
return BaseT::getMinMaxReductionCost(Ty, CondTy, IsPairwise, IsUnsigned);
std::pair<int, MVT> LT = TLI->getTypeLegalizationCost(DL, Ty);
return LT.first * getHalfRateInstrCost();
}
