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

Improve Compile_Vector_VRCPH 

The issue is that it was writing to RSP_Vect before writing to
accumulator. Also removed minor overhead, since Recp.UHW[0] always = 0.
This commit is contained in:
LegendOfDragoon 2015-09-25 04:45:00 -07:00
parent aebc9fa8b0
commit 0102762456
1 changed files with 18 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
Source/RSP/Recompiler Ops.c
View File

@ -4620,7 +4620,7 @@ void Compile_Vector_VRCPL ( void ) {
void Compile_Vector_VRCPH ( void ) {
char Reg[256];
int count, el, last = -1;
int count, el, last;
BOOL bWriteToAccum = WriteToAccum(Low16BitAccum, CompilePC);
#ifndef CompileVrcph
@ -4634,27 +4634,27 @@ void Compile_Vector_VRCPH ( void ) {
MoveVariableToX86regHalf(&RSP_Vect[RSPOpC.rt].UHW[el], Reg, x86_EDX);
MoveX86regHalfToVariable(x86_EDX, &Recp.UHW[1], "Recp.UHW[1]");
MoveConstHalfToVariable(0, &Recp.UHW[0], "Recp.UHW[0]");
MoveVariableToX86regHalf(&RecpResult.UHW[1], "RecpResult.UHW[1]", x86_ECX);
if (bWriteToAccum != FALSE) {
last = -1;
for (count = 0; count < 8; count++) {
el = EleSpec[RSPOpC.rs].B[count];
if (el != last) {
sprintf(Reg, "RSP_Vect[%i].UHW[%i]", RSPOpC.rt, el);
MoveVariableToX86regHalf(&RSP_Vect[RSPOpC.rt].UHW[el], Reg, x86_EAX);
last = el;
}
sprintf(Reg, "RSP_ACCUM[%i].HW[1]", count);
MoveX86regHalfToVariable(x86_EAX, &RSP_ACCUM[count].HW[1], Reg);
}
}
el = 7 - (RSPOpC.rd & 0x7);
sprintf(Reg, "RSP_Vect[%i].UHW[%i]", RSPOpC.sa, el);
MoveX86regHalfToVariable(x86_ECX, &RSP_Vect[RSPOpC.sa].UHW[el], Reg);
if (bWriteToAccum == FALSE) return;
for (count = 0; count < 8; count++) {
el = EleSpec[RSPOpC.rs].B[count];
if (el != last) {
sprintf(Reg, "RSP_Vect[%i].UHW[%i]", RSPOpC.rt, el);
MoveVariableToX86regHalf(&RSP_Vect[RSPOpC.rt].UHW[el], Reg, x86_EAX);
last = el;
}
sprintf(Reg, "RSP_ACCUM[%i].HW[1]", count);
MoveX86regHalfToVariable(x86_EAX, &RSP_ACCUM[count].HW[1], Reg);
}
}
void Compile_Vector_VMOV ( void ) {