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VIF-JIT: Get rid of mem read for mask

This commit is contained in:
refractionpcsx2 2023-05-01 08:12:43 +01:00
parent fd2960c9cb
commit dd2d4edffc
3 changed files with 11 additions and 15 deletions
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4
pcsx2/x86/newVif_Dynarec.cpp
View File

@ -278,6 +278,10 @@ void VifUnpackSSE_Dynarec::CompileRoutine()
// Value passed determines # of col regs we need to load
SetMasks(isFill ? blockSize : cycleSize);
// Need a zero register for V2_32/V3 unpacks.
if ((upkNum >= 8 && upkNum <= 10) || upkNum == 4)
xXOR.PS(zeroReg, zeroReg);
while (vNum)
{
ShiftDisplacementWindow(dstIndirect, arg1reg);

21
pcsx2/x86/newVif_UnpackSSE.cpp
View File

@ -24,14 +24,6 @@
#define xMOV64(regX, loc) xMOVUPS (regX, loc)
#define xMOV128(regX, loc) xMOVUPS (regX, loc)
alignas(16) static const u32 SSEXYZWMask[4][4] =
{
{0xffffffff, 0xffffffff, 0xffffffff, 0x00000000},
{0xffffffff, 0xffffffff, 0x00000000, 0xffffffff},
{0xffffffff, 0x00000000, 0xffffffff, 0xffffffff},
{0x00000000, 0xffffffff, 0xffffffff, 0xffffffff}
};
//alignas(__pagesize) static u8 nVifUpkExec[__pagesize*4];
static RecompiledCodeReserve* nVifUpkExec = NULL;
@ -46,6 +38,7 @@ VifUnpackSSE_Base::VifUnpackSSE_Base()
, IsAligned(0)
, dstIndirect(arg1reg)
, srcIndirect(arg2reg)
, zeroReg(xmm2)
, workReg(xmm1)
, destReg(xmm0)
{
@ -147,13 +140,13 @@ void VifUnpackSSE_Base::xUPK_V2_32() const
xMOV128(workReg, ptr32[srcIndirect]);
xPSHUF.D(destReg, workReg, 0x44); //v1v0v1v0
if (IsAligned)
xAND.PS(destReg, ptr128[SSEXYZWMask[0]]); //zero last word - tested on ps2
xBLEND.PS(destReg, zeroReg, 0x8); //zero last word - tested on ps2
}
else
{
xPSHUF.D(destReg, workReg, 0xEE); //v3v2v3v2
if (IsAligned)
xAND.PS(destReg, ptr128[SSEXYZWMask[0]]); //zero last word - tested on ps2
xBLEND.PS(destReg, zeroReg, 0x8); //zero last word - tested on ps2
}
}
@ -187,7 +180,7 @@ void VifUnpackSSE_Base::xUPK_V3_32() const
{
xMOV128(destReg, ptr128[srcIndirect]);
if (UnpkLoopIteration != IsAligned)
xAND.PS(destReg, ptr128[SSEXYZWMask[0]]);
xBLEND.PS(destReg, zeroReg, 0x8); //zero last word - tested on ps2
}
void VifUnpackSSE_Base::xUPK_V3_16() const
@ -201,16 +194,14 @@ void VifUnpackSSE_Base::xUPK_V3_16() const
int result = (((UnpkLoopIteration / 4) + 1 + (4 - IsAligned)) & 0x3);
if ((UnpkLoopIteration & 0x1) == 0 && result == 0)
{
xAND.PS(destReg, ptr128[SSEXYZWMask[0]]); //zero last word on QW boundary if whole 32bit word is used - tested on ps2
}
xBLEND.PS(destReg, zeroReg, 0x8); //zero last word - tested on ps2
}
void VifUnpackSSE_Base::xUPK_V3_8() const
{
xPMOVXX8(destReg);
if (UnpkLoopIteration != IsAligned)
xAND.PS(destReg, ptr128[SSEXYZWMask[0]]);
xBLEND.PS(destReg, zeroReg, 0x8); //zero last word - tested on ps2
}
void VifUnpackSSE_Base::xUPK_V4_32() const

1
pcsx2/x86/newVif_UnpackSSE.h
View File

@ -39,6 +39,7 @@ public:
protected:
xAddressVoid dstIndirect;
xAddressVoid srcIndirect;
xRegisterSSE zeroReg;
xRegisterSSE workReg;
xRegisterSSE destReg;