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EERec: Don't load in skip case of SW[LR]

This commit is contained in:
TellowKrinkle 2021-09-18 02:46:16 -05:00 committed by refractionpcsx2
parent 23578e963f
commit 0d7f141279
1 changed files with 74 additions and 62 deletions
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136
pcsx2/x86/ix86-32/iR5900LoadStore.cpp
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@ -318,8 +318,6 @@ void recLWR()
// edi = bit offset in word
xMOV(calleeSavedReg1d, arg1regd);
xAND(calleeSavedReg1d, 3);
xSHL(calleeSavedReg1d, 3);
xAND(arg1regd, ~3);
vtlb_DynGenRead32(32, false);
@ -327,24 +325,25 @@ void recLWR()
if (!_Rt_)
return;
// mask off bytes loaded
xMOV(ecx, 24);
xSUB(ecx, calleeSavedReg1d);
xMOV(edx, 0xffffff00);
xSHL(edx, cl);
xAND(ptr32[&cpuRegs.GPR.r[_Rt_].UL[0]], edx);
xAND(calleeSavedReg1d, 3);
xForwardJE8 nomask;
xSHL(calleeSavedReg1d, 3);
// mask off bytes loaded
xMOV(ecx, 24);
xSUB(ecx, calleeSavedReg1d);
xMOV(edx, 0xffffff00);
xSHL(edx, cl);
xAND(ptr32[&cpuRegs.GPR.r[_Rt_].UL[0]], edx);
// OR in bytes loaded
xMOV(ecx, calleeSavedReg1d);
xSHR(eax, cl);
xOR(ptr32[&cpuRegs.GPR.r[_Rt_].UL[0]], eax);
// OR in bytes loaded
xMOV(ecx, calleeSavedReg1d);
xSHR(eax, cl);
xOR(ptr32[&cpuRegs.GPR.r[_Rt_].UL[0]], eax);
xCMP(ecx, 0);
xForwardJump8 nosignextend(Jcc_NotEqual);
// if ((addr & 3) == 0)
xCDQ();
xMOV(ptr32[&cpuRegs.GPR.r[_Rt_].UL[1]], edx);
nosignextend.SetTarget();
xForwardJump8 end;
nomask.SetTarget();
eeSignExtendTo(_Rt_);
end.SetTarget();
#else
iFlushCall(FLUSH_INTERPRETER);
_deleteEEreg(_Rs_, 1);
@ -368,32 +367,39 @@ void recSWL()
// edi = bit offset in word
xMOV(calleeSavedReg1d, arg1regd);
xAND(arg1regd, ~3);
xAND(calleeSavedReg1d, 3);
xSHL(calleeSavedReg1d, 3);
xCMP(calleeSavedReg1d, 3);
xForwardJE8 skip;
xSHL(calleeSavedReg1d, 3);
xAND(arg1regd, ~3);
vtlb_DynGenRead32(32, false);
vtlb_DynGenRead32(32, false);
// mask read -> arg2
xMOV(ecx, calleeSavedReg1d);
xMOV(arg2regd, 0xffffff00);
xSHL(arg2regd, cl);
xAND(arg2regd, eax);
// mask read -> arg2
xMOV(ecx, calleeSavedReg1d);
xMOV(arg2regd, 0xffffff00);
xSHL(arg2regd, cl);
xAND(arg2regd, eax);
if (_Rt_)
{
// mask write and OR -> edx
xNEG(ecx);
xADD(ecx, 24);
_eeMoveGPRtoR(eax, _Rt_);
xSHR(eax, cl);
xOR(arg2regd, eax);
}
if (_Rt_)
{
// mask write and OR -> edx
xNEG(ecx);
xADD(ecx, 24);
_eeMoveGPRtoR(eax, _Rt_);
xSHR(eax, cl);
xOR(arg2regd, eax);
}
_eeMoveGPRtoR(arg1regd, _Rs_);
if (_Imm_ != 0)
xADD(arg1regd, _Imm_);
xAND(arg1regd, ~3);
_eeMoveGPRtoR(arg1regd, _Rs_);
if (_Imm_ != 0)
xADD(arg1regd, _Imm_);
xAND(arg1regd, ~3);
xForwardJump8 end;
skip.SetTarget();
_eeMoveGPRtoR(arg2regd, _Rt_);
end.SetTarget();
vtlb_DynGenWrite(32);
#else
@ -418,32 +424,38 @@ void recSWR()
// edi = bit offset in word
xMOV(calleeSavedReg1d, arg1regd);
xAND(arg1regd, ~3);
xAND(calleeSavedReg1d, 3);
xSHL(calleeSavedReg1d, 3);
xForwardJE8 skip;
xSHL(calleeSavedReg1d, 3);
xAND(arg1regd, ~3);
vtlb_DynGenRead32(32, false);
vtlb_DynGenRead32(32, false);
// mask read -> edx
xMOV(ecx, 24);
xSUB(ecx, calleeSavedReg1d);
xMOV(arg2regd, 0xffffff);
xSHR(arg2regd, cl);
xAND(arg2regd, eax);
// mask read -> edx
xMOV(ecx, 24);
xSUB(ecx, calleeSavedReg1d);
xMOV(arg2regd, 0xffffff);
xSHR(arg2regd, cl);
xAND(arg2regd, eax);
if (_Rt_)
{
// mask write and OR -> edx
xMOV(ecx, calleeSavedReg1d);
_eeMoveGPRtoR(eax, _Rt_);
xSHL(eax, cl);
xOR(arg2regd, eax);
}
if (_Rt_)
{
// mask write and OR -> edx
xMOV(ecx, calleeSavedReg1d);
_eeMoveGPRtoR(eax, _Rt_);
xSHL(eax, cl);
xOR(arg2regd, eax);
}
_eeMoveGPRtoR(arg1regd, _Rs_);
if (_Imm_ != 0)
xADD(arg1regd, _Imm_);
xAND(arg1regd, ~3);
_eeMoveGPRtoR(arg1regd, _Rs_);
if (_Imm_ != 0)
xADD(arg1regd, _Imm_);
xAND(arg1regd, ~3);
xForwardJump8 end;
skip.SetTarget();
_eeMoveGPRtoR(arg2regd, _Rt_);
end.SetTarget();
vtlb_DynGenWrite(32);
#else
@ -717,7 +729,7 @@ void recSDL()
xAND(arg1regd, ~0x07);
xAND(calleeSavedReg1d, 0x7);
xCMP(calleeSavedReg1d, 7);
xForwardJE32 skip;
xForwardJE8 skip;
xADD(calleeSavedReg1d, 1);
int t2reg = vtlb_DynGenRead64(64, -1);
int rtreg = _allocGPRtoXMMreg(-1, _Rt_, MODE_READ);
@ -790,7 +802,7 @@ void recSDR()
xMOV(calleeSavedReg1d, arg1regd);
xAND(arg1regd, ~0x07);
xAND(calleeSavedReg1d, 0x7);
xForwardJE32 skip;
xForwardJE8 skip;
int t2reg = vtlb_DynGenRead64(64, -1);
int rtreg = _allocGPRtoXMMreg(-1, _Rt_, MODE_READ);