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microVU: Don't emit add reg, 0 in a few instructions

This commit is contained in:
Connor McLaughlin 2021-08-14 13:10:17 +10:00 committed by refractionpcsx2
parent af07d803fd
commit 6844849305
1 changed files with 18 additions and 11 deletions
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29
pcsx2/x86/microVU_Lower.inl
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@ -681,7 +681,8 @@ mVUop(mVU_IADDI) {
pass1 { mVUanalyzeIADDI(mVU, _Is_, _It_, _Imm5_); }
pass2 {
mVUallocVIa(mVU, gprT1, _Is_);
xADD(gprT1b, _Imm5_);
if (_Imm5_ != 0)
xADD(gprT1b, _Imm5_);
mVUallocVIb(mVU, gprT1, _It_);
mVU.profiler.EmitOp(opIADDI);
}
@ -692,7 +693,8 @@ mVUop(mVU_IADDIU) {
pass1 { mVUanalyzeIADDI(mVU, _Is_, _It_, _Imm15_); }
pass2 {
mVUallocVIa(mVU, gprT1, _Is_);
xADD(gprT1b, _Imm15_);
if (_Imm15_ != 0)
xADD(gprT1b, _Imm15_);
mVUallocVIb(mVU, gprT1, _It_);
mVU.profiler.EmitOp(opIADDIU);
}
@ -749,7 +751,8 @@ mVUop(mVU_ISUBIU) {
pass1 { mVUanalyzeIALU2(mVU, _Is_, _It_); }
pass2 {
mVUallocVIa(mVU, gprT1, _Is_);
xSUB(gprT1b, _Imm15_);
if (_Imm15_ != 0)
xSUB(gprT1b, _Imm15_);
mVUallocVIb(mVU, gprT1, _It_);
mVU.profiler.EmitOp(opISUBIU);
}
@ -850,7 +853,8 @@ mVUop(mVU_ILW) {
mVUallocVIa(mVU, gprT2, _Is_);
if (!_Is_)
xXOR(gprT2, gprT2);
xADD(gprT2, _Imm11_);
if (_Imm11_ != 0)
xADD(gprT2, _Imm11_);
mVUaddrFix (mVU, gprT2q);
xMOVZX(gprT1, ptr16[xComplexAddress(gprT3q, ptr, gprT2q)]);
mVUallocVIb(mVU, gprT1, _It_);
@ -924,7 +928,8 @@ mVUop(mVU_ISW) {
mVUallocVIa(mVU, gprT2, _Is_);
if (!_Is_)
xXOR(gprT2, gprT2);
xADD(gprT2, _Imm11_);
if (_Imm11_ != 0)
xADD(gprT2, _Imm11_);
mVUaddrFix (mVU, gprT2q);
mVUallocVIa(mVU, gprT1, _It_);
@ -963,9 +968,10 @@ mVUop(mVU_LQ) {
pass2 {
void *ptr = mVU.regs().Mem;
mVUallocVIa(mVU, gprT2, _Is_);
if (!_Is_)
xXOR(gprT2, gprT2);
xADD(gprT2, _Imm11_);
if (!_Is_)
xXOR(gprT2, gprT2);
if (_Imm11_ != 0)
xADD(gprT2, _Imm11_);
mVUaddrFix(mVU, gprT2q);
const xmm& Ft = mVU.regAlloc->allocReg(-1, _Ft_, _X_Y_Z_W);
@ -1042,9 +1048,10 @@ mVUop(mVU_SQ) {
void * ptr = mVU.regs().Mem;
mVUallocVIa(mVU, gprT2, _It_);
if (!_It_)
xXOR(gprT2, gprT2);
xADD(gprT2, _Imm11_);
if (!_It_)
xXOR(gprT2, gprT2);
if (_Imm11_ != 0)
xADD(gprT2, _Imm11_);
mVUaddrFix(mVU, gprT2q);
const xmm& Fs = mVU.regAlloc->allocReg(_Fs_, 0, _X_Y_Z_W);