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Small optimization to VMUDH

This commit is contained in:
LegendOfDragoon 2015-03-01 03:25:41 -08:00
parent 9e4f3d2e0f
commit 9bb8ca9b3c
1 changed files with 15 additions and 8 deletions
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23
Source/RSP/Recompiler Ops.c
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@ -2495,15 +2495,22 @@ BOOL Compile_Vector_VMUDH_MMX ( void ) {
MmxMoveRegToReg(x86_MM5, x86_MM1); MmxMoveRegToReg(x86_MM5, x86_MM1);
if ((RSPOpC.rs & 0x0f) < 2) { if ((RSPOpC.rs & 0x0f) < 2) {
sprintf(Reg, "RSP_Vect[%i].HW[0]", RSPOpC.rt); if (RSPOpC.rd == RSPOpC.rt){
MmxMoveQwordVariableToReg(x86_MM2, &RSP_Vect[RSPOpC.rt].HW[0], Reg); MmxPmullwRegToReg(x86_MM0, x86_MM0);
sprintf(Reg, "RSP_Vect[%i].HW[4]", RSPOpC.rt); MmxPmulhwRegToReg(x86_MM4, x86_MM4);
MmxMoveQwordVariableToReg(x86_MM3, &RSP_Vect[RSPOpC.rt].HW[4], Reg); MmxPmullwRegToReg(x86_MM1, x86_MM1);
MmxPmulhwRegToReg(x86_MM5, x86_MM5);
} else {
sprintf(Reg, "RSP_Vect[%i].HW[0]", RSPOpC.rt);
MmxMoveQwordVariableToReg(x86_MM2, &RSP_Vect[RSPOpC.rt].HW[0], Reg);
sprintf(Reg, "RSP_Vect[%i].HW[4]", RSPOpC.rt);
MmxMoveQwordVariableToReg(x86_MM3, &RSP_Vect[RSPOpC.rt].HW[4], Reg);
MmxPmullwRegToReg(x86_MM0, x86_MM2); MmxPmullwRegToReg(x86_MM0, x86_MM2);
MmxPmulhwRegToReg(x86_MM4, x86_MM2); MmxPmulhwRegToReg(x86_MM4, x86_MM2);
MmxPmullwRegToReg(x86_MM1, x86_MM3); MmxPmullwRegToReg(x86_MM1, x86_MM3);
MmxPmulhwRegToReg(x86_MM5, x86_MM3); MmxPmulhwRegToReg(x86_MM5, x86_MM3);
}
} else if ((RSPOpC.rs & 0x0f) >= 8) { } else if ((RSPOpC.rs & 0x0f) >= 8) {
RSP_Element2Mmx(x86_MM2); RSP_Element2Mmx(x86_MM2);