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Merge pull request #792 from LegendOfDragoon/master 

Improve Vector Dest Analysis
This commit is contained in:
zilmar 2015-12-01 16:05:23 +11:00
parent 4770198dae 36d491c989
commit 184aec553e
1 changed files with 23 additions and 4 deletions
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27
Source/RSP/Recompiler Analysis.c
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@ -648,15 +648,18 @@ BOOL WriteToVectorDest2 (DWORD DestReg, int PC, BOOL RecursiveCall) {
case RSP_LSC2_RV: case RSP_LSC2_RV:
break; break;
case RSP_LSC2_HV:
case RSP_LSC2_QV: case RSP_LSC2_QV:
case RSP_LSC2_BV: case RSP_LSC2_BV:
case RSP_LSC2_LV: case RSP_LSC2_LV:
case RSP_LSC2_UV:
case RSP_LSC2_PV:
case RSP_LSC2_TV: case RSP_LSC2_TV:
break; break;
case RSP_LSC2_PV:
case RSP_LSC2_UV:
case RSP_LSC2_HV:
if (DestReg == RspOp.rt) { return FALSE; }
break;
default: default:
CompilerWarning("Unkown opcode in WriteToVectorDest\n%s",RSPOpcodeName(RspOp.Hex,PC)); CompilerWarning("Unkown opcode in WriteToVectorDest\n%s",RSPOpcodeName(RspOp.Hex,PC));
return TRUE; return TRUE;
@ -675,9 +678,25 @@ BOOL WriteToVectorDest2 (DWORD DestReg, int PC, BOOL RecursiveCall) {
case RSP_LSC2_HV: case RSP_LSC2_HV:
case RSP_LSC2_FV: case RSP_LSC2_FV:
case RSP_LSC2_WV: case RSP_LSC2_WV:
case RSP_LSC2_TV:
if (DestReg == RspOp.rt) { return TRUE; } if (DestReg == RspOp.rt) { return TRUE; }
break; break;
case RSP_LSC2_TV:
if (8 <= 32 - RspOp.rt) {
if (DestReg >= RspOp.rt && DestReg <= RspOp.rt + 7) {
return TRUE;
}
} else {
int length = 32 - RspOp.rt, count, del = RspOp.del >> 1, vect = RspOp.rt;
for (count = 0; count < length; count++) {
if (DestReg == vect + del) {
return TRUE;
}
del = (del + 1) & 7;
}
}
break;
default: default:
CompilerWarning("Unkown opcode in WriteToVectorDest\n%s",RSPOpcodeName(RspOp.Hex,PC)); CompilerWarning("Unkown opcode in WriteToVectorDest\n%s",RSPOpcodeName(RspOp.Hex,PC));
return TRUE; return TRUE;