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AVX128: Implement support for vcmps{s,d}

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Ryan Houdek 2024-06-17 23:05:30 -07:00 committed by Alyssa Rosenzweig
parent a0ced2b685
commit 9566dda73e
2 changed files with 28 additions and 2 deletions
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2
FEXCore/Source/Interface/Core/OpcodeDispatcher.h
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@ -1036,6 +1036,8 @@ public:
Ref AVX128_VFCMPImpl(size_t ElementSize, Ref Src1, Ref Src2, uint8_t CompType);
template<size_t ElementSize>
void AVX128_VFCMP(OpcodeArgs);
template<size_t ElementSize>
void AVX128_InsertScalarFCMP(OpcodeArgs);
// End of AVX 128-bit implementation

28
FEXCore/Source/Interface/Core/OpcodeDispatcher/AVX_128.cpp
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@ -181,8 +181,8 @@ void OpDispatchBuilder::InstallAVX128Handlers() {
{OPD(1, 0b00, 0xC2), 1, &OpDispatchBuilder::AVX128_VFCMP<4>},
{OPD(1, 0b01, 0xC2), 1, &OpDispatchBuilder::AVX128_VFCMP<8>},
// TODO: {OPD(1, 0b10, 0xC2), 1, &OpDispatchBuilder::AVXInsertScalarFCMPOp<4>},
// TODO: {OPD(1, 0b11, 0xC2), 1, &OpDispatchBuilder::AVXInsertScalarFCMPOp<8>},
{OPD(1, 0b10, 0xC2), 1, &OpDispatchBuilder::AVX128_InsertScalarFCMP<4>},
{OPD(1, 0b11, 0xC2), 1, &OpDispatchBuilder::AVX128_InsertScalarFCMP<8>},
// TODO: {OPD(1, 0b01, 0xC4), 1, &OpDispatchBuilder::VPINSRWOp},
// TODO: {OPD(1, 0b01, 0xC5), 1, &OpDispatchBuilder::PExtrOp<2>},
@ -950,4 +950,28 @@ void OpDispatchBuilder::AVX128_VFCMP(OpcodeArgs) {
});
}
template<size_t ElementSize>
void OpDispatchBuilder::AVX128_InsertScalarFCMP(OpcodeArgs) {
// We load the full vector width when dealing with a source vector,
// so that we don't do any unnecessary zero extension to the scalar
// element that we're going to operate on.
const auto SrcSize = GetSrcSize(Op);
auto Src1 = AVX128_LoadSource_WithOpSize(Op, Op->Src[0], Op->Flags, false);
RefPair Src2 {};
if (Op->Src[1].IsGPR()) {
Src2 = AVX128_LoadSource_WithOpSize(Op, Op->Src[1], Op->Flags, false);
} else {
Src2.Low = LoadSource_WithOpSize(FPRClass, Op, Op->Src[1], SrcSize, Op->Flags);
}
const uint8_t CompType = Op->Src[2].Literal();
RefPair Result {};
Result.Low = InsertScalarFCMPOpImpl(OpSize::i128Bit, OpSize::i128Bit, ElementSize, Src1.Low, Src2.Low, CompType, false);
Result.High = LoadZeroVector(OpSize::i128Bit);
AVX128_StoreResult_WithOpSize(Op, Op->Dest, Result);
}
} // namespace FEXCore::IR