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microVU: Improved existing flag hack slightly

This commit is contained in:
refractionpcsx2 2015-06-07 03:47:01 +01:00
parent 51fbb2c313
commit 7ff36afd35
1 changed files with 16 additions and 4 deletions
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18
pcsx2/x86/microVU_Analyze.inl
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@ -288,16 +288,28 @@ __fi void mVUanalyzeR2(mV, int Ft, bool canBeNOP) {
//------------------------------------------------------------------ //------------------------------------------------------------------
__ri void flagSet(mV, bool setMacFlag) { __ri void flagSet(mV, bool setMacFlag) {
int curPC = iPC; int curPC = iPC;
bool calcOPS = false;
//Check which ops need to do the flag settings, also check for runs of ops as they can do multiple calculations to get the sticky status flags (VP2)
for (int i = mVUcount, j = 0; i > 0; i--, j++) { for (int i = mVUcount, j = 0; i > 0; i--, j++) {
j += mVUstall; j += mVUstall;
incPC2(-2); incPC(-2);
if (sFLAG.doFlag && (j >= 3)) { if (sFLAG.doFlag && (j >= 3)) {
if (setMacFlag) { mFLAG.doFlag = 1; } //Calculation only ops write to VF00
if (calcOPS == true && (mVUup.VF_write.reg != 0))
break;
if (setMacFlag) { mFLAG.doFlag = 1; break; }
else { sFLAG.doNonSticky = 1; } else { sFLAG.doNonSticky = 1; }
calcOPS = true;
}
else {
if (calcOPS == true)
break; break;
} }
} }
iPC = curPC; iPC = curPC;
setCode();
} }
__ri void mVUanalyzeSflag(mV, int It) { __ri void mVUanalyzeSflag(mV, int It) {
@ -305,7 +317,7 @@ __ri void mVUanalyzeSflag(mV, int It) {
analyzeVIreg2(mVU, It, mVUlow.VI_write, 1); analyzeVIreg2(mVU, It, mVUlow.VI_write, 1);
if (!It) { mVUlow.isNOP = 1; } if (!It) { mVUlow.isNOP = 1; }
else { else {
mVUsFlagHack = 0; // Don't Optimize Out Status Flags for this block //mVUsFlagHack = 0; // Don't Optimize Out Status Flags for this block
mVUinfo.swapOps = 1; mVUinfo.swapOps = 1;
flagSet(mVU, 0); flagSet(mVU, 0);
if (mVUcount < 4) { if (mVUcount < 4) {