ShuriZma
/
project64
mirror of https://github.com/project64/project64.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Implement MMX version of VABS in RSP Recompiler

This commit is contained in:
LegendOfDragoon 2015-03-01 03:39:14 -08:00
parent b4dbc570a5
commit 7f5aa6b521
2 changed files with 82 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Source/RSP/Recompiler Analysis.c
View File

@ -88,6 +88,7 @@ BOOL IsNextInstructionMmx(DWORD PC) {
} else
return TRUE;
case RSP_VECTOR_VABS:
case RSP_VECTOR_VAND:
case RSP_VECTOR_VOR:
case RSP_VECTOR_VXOR:

81
Source/RSP/Recompiler Ops.c
View File

@ -3354,6 +3354,82 @@ void Compile_Vector_VSUB ( void ) {
Pop(x86_EBP);
}
BOOL Compile_Vector_VABS_MMX ( void ) {
char Reg[256];
/* Do our MMX checks here */
if (IsMmxEnabled == FALSE)
return FALSE;
if ((RSPOpC.rs & 0x0f) >= 2 && (RSPOpC.rs & 0x0f) <= 7 && IsMmx2Enabled == FALSE)
return FALSE;
sprintf(Reg, "RSP_Vect[%i].UHW[0]", RSPOpC.rd);
MmxMoveQwordVariableToReg(x86_MM0, &RSP_Vect[RSPOpC.rd].UHW[0], Reg);
sprintf(Reg, "RSP_Vect[%i].UHW[4]", RSPOpC.rd);
MmxMoveQwordVariableToReg(x86_MM1, &RSP_Vect[RSPOpC.rd].UHW[4], Reg);
if ((RSPOpC.rs & 15) >= 8) {
RSP_Element2Mmx(x86_MM2);
MmxMoveRegToReg(x86_MM3, x86_MM2);
} else if ((RSPOpC.rs & 15) < 2) {
if (RSPOpC.rd != RSPOpC.rt) {
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);
} else {
sprintf(Reg, "RSP_Vect[%i].HW[0]", RSPOpC.rt);
MmxMoveRegToReg(x86_MM2, x86_MM0);
sprintf(Reg, "RSP_Vect[%i].HW[4]", RSPOpC.rt);
MmxMoveRegToReg(x86_MM3, x86_MM1);
}
} else {
RSP_MultiElement2Mmx(x86_MM2, x86_MM3);
}
if (RSPOpC.rd == RSPOpC.rt) {
MmxPsrawImmed(x86_MM2, 15);
MmxPsrawImmed(x86_MM3, 15);
MmxXorRegToReg(x86_MM0, x86_MM2);
MmxXorRegToReg(x86_MM1, x86_MM3);
MmxPsubswRegToReg(x86_MM0, x86_MM2);
MmxPsubswRegToReg(x86_MM1, x86_MM3);
} else {
MmxXorRegToReg(x86_MM7, x86_MM7);
MmxMoveRegToReg(x86_MM4, x86_MM0);
MmxMoveRegToReg(x86_MM5, x86_MM1);
MmxPsrawImmed(x86_MM4, 15);
MmxPsrawImmed(x86_MM5, 15);
MmxPcmpeqwRegToReg(x86_MM0, x86_MM7);
MmxPcmpeqwRegToReg(x86_MM1, x86_MM7);
MmxXorRegToReg(x86_MM2, x86_MM4);
MmxXorRegToReg(x86_MM3, x86_MM5);
MmxPsubswRegToReg(x86_MM2, x86_MM4);
MmxPsubswRegToReg(x86_MM3, x86_MM5);
MmxPandnRegToReg(x86_MM0, x86_MM2);
MmxPandnRegToReg(x86_MM1, x86_MM3);
}
sprintf(Reg, "RSP_Vect[%i].UHW[0]", RSPOpC.sa);
MmxMoveQwordRegToVariable(x86_MM0, &RSP_Vect[RSPOpC.sa].UHW[0], Reg);
sprintf(Reg, "RSP_Vect[%i].UHW[4]", RSPOpC.sa);
MmxMoveQwordRegToVariable(x86_MM1, &RSP_Vect[RSPOpC.sa].UHW[4], Reg);
if (IsNextInstructionMmx(CompilePC) != TRUE) {
MmxEmptyMultimediaState();
}
return TRUE;
}
void Compile_Vector_VABS ( void ) {
int count, el, del;
char Reg[256];
@ -3367,6 +3443,11 @@ void Compile_Vector_VABS ( void ) {
CPU_Message(" %X %s",CompilePC,RSPOpcodeName(RSPOpC.Hex,CompilePC));
if (bWriteToAccum == FALSE) {
if (TRUE == Compile_Vector_VABS_MMX())
return;
}
for (count = 0; count < 8; count++) {
CPU_Message(" Iteration: %i", count);
el = Indx[RSPOpC.rs].B[count];