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x86/iR5900: Use register cache for mfsa 

It also was incorrect for the XMM path before... loading 64 bits instead
of 32.
This commit is contained in:
Stenzek 2022-12-29 02:14:37 +10:00 committed by refractionpcsx2
parent 2a92edd7ed
commit ebcb3b413c
1 changed files with 12 additions and 6 deletions
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18
pcsx2/x86/iR5900Misc.cpp
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@ -91,20 +91,26 @@ void recSYNC()
void recMFSA()
{
int mmreg;
if (!_Rd_)
return;
// TODO(Stenzek): Make these less rubbish
mmreg = _checkXMMreg(XMMTYPE_GPRREG, _Rd_, MODE_WRITE);
if (mmreg >= 0)
// zero-extended
if (const int mmreg = _checkXMMreg(XMMTYPE_GPRREG, _Rd_, MODE_WRITE); mmreg >= 0)
{
xMOVL.PS(xRegisterSSE(mmreg), ptr[&cpuRegs.sa]);
// have to zero out bits 63:32
const int temp = _allocTempXMMreg(XMMT_INT);
xMOVSSZX(xRegisterSSE(temp), ptr32[&cpuRegs.sa]);
xBLEND.PD(xRegisterSSE(temp), xRegisterSSE(temp), 1);
_freeXMMreg(temp);
}
else if (const int gprreg = _allocIfUsedGPRtoX86(_Rd_, MODE_WRITE); gprreg >= 0)
{
xMOV(xRegister32(gprreg), ptr32[&cpuRegs.sa]);
}
else
{
xMOV(rax, ptr32[&cpuRegs.sa]);
_deleteEEreg(_Rd_, 0);
xMOV(eax, ptr32[&cpuRegs.sa]);
xMOV(ptr64[&cpuRegs.GPR.r[_Rd_].UD[0]], rax);
}
}