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EE: mmxregs[i].inuse is never set to true 

Let's remove code that depends on it

_deleteMMXreg/_checkMMXreg/_getNumMMXwrite/_flushMMXunused are now stub
This commit is contained in:
Gregory Hainaut 2016-02-07 12:23:15 +01:00
parent 054d8c4c9f
commit e1651c752a
2 changed files with 0 additions and 75 deletions
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61
pcsx2/x86/ix86-32/iCore-32.cpp
View File

@ -502,33 +502,6 @@ __fi void* _MMXGetAddr(int reg)
int _checkMMXreg(int reg, int mode)
{
uint i;
for (i=0; i<iREGCNT_MMX; i++) {
if (mmxregs[i].inuse && mmxregs[i].reg == reg ) {
if( !(mmxregs[i].mode & MODE_READ) && (mode&MODE_READ) ) {
if( reg == MMX_GPR ) {
// moving in 0s
xPXOR(xRegisterMMX(i), xRegisterMMX(i));
}
else {
if (MMX_ISGPR(reg) && (mode&(MODE_READHALF|MODE_READ))) _flushConstReg(reg-MMX_GPR);
if( (mode & MODE_READHALF) || (MMX_IS32BITS(reg)&&(mode&MODE_READ)) )
xMOVDZX(xRegisterMMX(i), ptr[(_MMXGetAddr(reg))]);
else
xMOVQ(xRegisterMMX(i), ptr[(_MMXGetAddr(reg))]);
}
SetMMXstate();
}
mmxregs[i].mode |= mode;
mmxregs[i].counter = g_mmxAllocCounter++;
mmxregs[i].needed = 1;
return i;
}
}
return -1;
}
@ -548,45 +521,11 @@ void _clearNeededMMXregs()
void _deleteMMXreg(int reg, int flush)
{
uint i;
for (i=0; i<iREGCNT_MMX; i++) {
if (mmxregs[i].inuse && mmxregs[i].reg == reg ) {
switch(flush) {
case 0: // frees all of the reg
_freeMMXreg(i);
break;
case 1: // flushes all of the reg
if( mmxregs[i].mode & MODE_WRITE) {
pxAssert( mmxregs[i].reg != MMX_GPR );
if( MMX_IS32BITS(reg) )
xMOVD(ptr[(_MMXGetAddr(mmxregs[i].reg))], xRegisterMMX(i));
else
xMOVQ(ptr[(_MMXGetAddr(mmxregs[i].reg))], xRegisterMMX(i));
SetMMXstate();
// get rid of MODE_WRITE since don't want to flush again
mmxregs[i].mode &= ~MODE_WRITE;
mmxregs[i].mode |= MODE_READ;
}
return;
case 2: // just stops using the reg (no flushing)
mmxregs[i].inuse = 0;
break;
}
return;
}
}
}
int _getNumMMXwrite()
{
uint num = 0, i;
for (i=0; i<iREGCNT_MMX; i++) {
if( mmxregs[i].inuse && (mmxregs[i].mode&MODE_WRITE) ) ++num;
}
return num;
}

14
pcsx2/x86/ix86-32/iR5900-32.cpp
View File

@ -247,20 +247,6 @@ int _flushXMMunused()
int _flushMMXunused()
{
u32 i;
for (i=0; i<iREGCNT_MMX; i++) {
if (!mmxregs[i].inuse || mmxregs[i].needed || !(mmxregs[i].mode&MODE_WRITE) ) continue;
if( MMX_ISGPR(mmxregs[i].reg) ) {
//if( !(g_pCurInstInfo->regs[mmxregs[i].reg-MMX_GPR]&EEINST_USED) ) {
if( !_recIsRegWritten(g_pCurInstInfo+1, (s_nEndBlock-pc)/4, XMMTYPE_GPRREG, mmxregs[i].reg-MMX_GPR) ) {
_freeMMXreg(i);
mmxregs[i].inuse = 1;
return 1;
}
}
}
return 0;
}