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AVX128: Implements support for vcvt{t,}s{s,d}2si

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Ryan Houdek 2024-06-17 21:40:06 -07:00
parent 775a41b903
commit 1431af1ff5
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2 changed files with 32 additions and 4 deletions
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2
FEXCore/Source/Interface/Core/OpcodeDispatcher.h
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@ -1019,6 +1019,8 @@ public:
void AVX128_MOVVectorUnaligned(OpcodeArgs);
template<size_t DstElementSize>
void AVX128_InsertCVTGPR_To_FPR(OpcodeArgs);
template<size_t SrcElementSize, bool HostRoundingMode>
void AVX128_CVTFPR_To_GPR(OpcodeArgs);
// End of AVX 128-bit implementation

34
FEXCore/Source/Interface/Core/OpcodeDispatcher/AVX_128.cpp
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@ -63,11 +63,11 @@ void OpDispatchBuilder::InstallAVX128Handlers() {
{OPD(1, 0b00, 0x2B), 1, &OpDispatchBuilder::AVX128_MOVVectorNT},
{OPD(1, 0b01, 0x2B), 1, &OpDispatchBuilder::AVX128_MOVVectorNT},
// TODO: {OPD(1, 0b10, 0x2C), 1, &OpDispatchBuilder::CVTFPR_To_GPR<4, false>},
// TODO: {OPD(1, 0b11, 0x2C), 1, &OpDispatchBuilder::CVTFPR_To_GPR<8, false>},
{OPD(1, 0b10, 0x2C), 1, &OpDispatchBuilder::AVX128_CVTFPR_To_GPR<4, false>},
{OPD(1, 0b11, 0x2C), 1, &OpDispatchBuilder::AVX128_CVTFPR_To_GPR<8, false>},
// TODO: {OPD(1, 0b10, 0x2D), 1, &OpDispatchBuilder::CVTFPR_To_GPR<4, true>},
// TODO: {OPD(1, 0b11, 0x2D), 1, &OpDispatchBuilder::CVTFPR_To_GPR<8, true>},
{OPD(1, 0b10, 0x2D), 1, &OpDispatchBuilder::AVX128_CVTFPR_To_GPR<4, true>},
{OPD(1, 0b11, 0x2D), 1, &OpDispatchBuilder::AVX128_CVTFPR_To_GPR<8, true>},
// TODO: {OPD(1, 0b00, 0x2E), 1, &OpDispatchBuilder::UCOMISxOp<4>},
// TODO: {OPD(1, 0b01, 0x2E), 1, &OpDispatchBuilder::UCOMISxOp<8>},
@ -846,4 +846,30 @@ void OpDispatchBuilder::AVX128_InsertCVTGPR_To_FPR(OpcodeArgs) {
AVX128_StoreResult_WithOpSize(Op, Op->Dest, Result);
}
template<size_t SrcElementSize, bool HostRoundingMode>
void OpDispatchBuilder::AVX128_CVTFPR_To_GPR(OpcodeArgs) {
// If loading a vector, use the full size, so we don't
// unnecessarily zero extend the vector. Otherwise, if
// memory, then we want to load the element size exactly.
RefPair Src {};
if (Op->Src[0].IsGPR()) {
Src = AVX128_LoadSource_WithOpSize(Op, Op->Src[0], Op->Flags, false);
} else {
Src.Low = LoadSource_WithOpSize(FPRClass, Op, Op->Src[0], GetSrcSize(Op), Op->Flags);
}
// GPR size is determined by REX.W
// Source Element size is determined by instruction
size_t GPRSize = GetDstSize(Op);
Ref Result {};
if constexpr (HostRoundingMode) {
Result = _Float_ToGPR_S(GPRSize, SrcElementSize, Src.Low);
} else {
Result = _Float_ToGPR_ZS(GPRSize, SrcElementSize, Src.Low);
}
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, Result, GPRSize, -1);
}
} // namespace FEXCore::IR