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Merge pull request #3497 from Sonicadvance1/movmaskb_constant

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JIT: Optimize pmovmaskb with a named vector constant
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Ryan Houdek authored and GitHub committed 2024-03-18 16:08:40 -07:00
2 parents 2a9fcc6a66 20da1e4244
commit ab8ee64352
18 files changed
+61 -87
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FEXCore/Source/Interface/Core/CPUBackend.cpp
+2
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@@ -27,6 +27,8 @@ constexpr static uint64_t NamedVectorConstants[FEXCore::IR::NamedVectorConstant:
{0x0706'0504'0302'0100ULL, 0x0F0E'0D0C'FFFF'FFFFULL}, // NAMED_VECTOR_BLENDPS_1011B
{0xFFFF'FFFF'0302'0100ULL, 0x0F0E'0D0C'0B0A'0908ULL}, // NAMED_VECTOR_BLENDPS_1101B
{0x0706'0504'FFFF'FFFFULL, 0x0F0E'0D0C'0B0A'0908ULL}, // NAMED_VECTOR_BLENDPS_1110B
{0x8040'2010'0804'0201ULL, 0x8040'2010'0804'0201ULL}, // NAMED_VECTOR_MOVMASKB
{0x8040'2010'0804'0201ULL, 0x8040'2010'0804'0201ULL}, // NAMED_VECTOR_MOVMASKB_UPPER
};
constexpr static auto PSHUFLW_LUT {
FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp
+1 -1
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@@ -1104,7 +1104,7 @@ void OpDispatchBuilder::MOVMSKOpOne(OpcodeArgs) {
const auto ExtractSize = Is256Bit ? 4 : 2;
OrderedNode *Src = LoadSource(FPRClass, Op, Op->Src[0], Op->Flags);
OrderedNode *VMask = _VDupFromGPR(SrcSize, 8, _Constant(0x80'40'20'10'08'04'02'01ULL));
OrderedNode *VMask = LoadAndCacheNamedVectorConstant(SrcSize, NAMED_VECTOR_MOVMASKB);
auto VCMP = _VCMPLTZ(SrcSize, 1, Src);
auto VAnd = _VAnd(SrcSize, 1, VCMP, VMask);