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x86/microVU: Forward CTC2 I direct to VNNNi instructions

This commit is contained in:
Stenzek 2022-12-26 16:05:30 +10:00 committed by refractionpcsx2
parent d6332e796e
commit 1a7263cb9f
1 changed files with 43 additions and 9 deletions
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52
pcsx2/x86/microVU_Macro.inl
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@ -437,6 +437,19 @@ static void recCFC2()
{
xXOR(xRegister32(regt), xRegister32(regt));
}
else if (_Rd_ == REG_I)
{
const int xmmreg = _checkXMMreg(XMMTYPE_VFREG, 33, MODE_READ);
if (xmmreg >= 0)
{
xMOVD(xRegister32(regt), xRegisterSSE(xmmreg));
xMOVSX(xRegister64(regt), xRegister32(regt));
}
else
{
xMOVSX(xRegister64(regt), ptr32[&vu0Regs.VI[_Rd_].UL]);
}
}
else if (_Rd_ >= REG_STATUS_FLAG) // FixMe: Should R-Reg have upper 9 bits 0?
{
xMOVSX(xRegister64(regt), ptr32[&vu0Regs.VI[_Rd_].UL]);
@ -539,14 +552,6 @@ static void recCTC2()
// sVU's COP2 has a comment that "Donald Duck" needs this too...
if (_Rd_ < REG_STATUS_FLAG)
{
// I isn't invalidated correctly yet, ideally we would move this to the XMM directly.
if (_Rd_ == REG_I)
{
const int xmmreg = _checkXMMreg(XMMTYPE_VFREG, 33, 0);
if (xmmreg >= 0)
_freeXMMregWithoutWriteback(xmmreg);
}
// Little bit nasty, but optimal codegen.
const int gprreg = _allocIfUsedGPRtoX86(_Rt_, MODE_READ);
const int vireg = _allocIfUsedVItoX86(_Rd_, MODE_WRITE);
@ -606,7 +611,36 @@ static void recCTC2()
}
else
{
_eeMoveGPRtoM((uptr)&vu0Regs.VI[_Rd_].UL, _Rt_);
// Move I direct to FPR if used.
if (_Rd_ == REG_I)
{
const int xmmreg = _allocVFtoXMMreg(33, MODE_WRITE);
if (_Rt_ == 0)
{
xPXOR(xRegisterSSE(xmmreg), xRegisterSSE(xmmreg));
}
else
{
const int xmmgpr = _checkXMMreg(XMMTYPE_GPRREG, _Rt_, MODE_READ);
if (xmmgpr >= 0)
{
xPSHUF.D(xRegisterSSE(xmmreg), xRegisterSSE(xmmgpr), 0);
}
else
{
const int gprreg = _allocX86reg(X86TYPE_GPR, _Rt_, MODE_READ);
if (gprreg >= 0)
xMOVDZX(xRegisterSSE(xmmreg), xRegister32(gprreg));
else
xMOVSSZX(xRegisterSSE(xmmreg), ptr32[&cpuRegs.GPR.r[_Rt_].SD[0]]);
xSHUF.PS(xRegisterSSE(xmmreg), xRegisterSSE(xmmreg), 0);
}
}
}
else
{
_eeMoveGPRtoM((uptr)&vu0Regs.VI[_Rd_].UL, _Rt_);
}
}
break;
}