// if not mmx, then xmm
int eeProcessHILO(int reg, int mode, int mmx)
{
// Fixme: MMX problem
int usemmx = 0/*mmx && _hasFreeMMXreg()*/;
if( (usemmx || _hasFreeXMMreg()) || !(g_pCurInstInfo->regs[reg]&EEINST_LASTUSE) ) {
//if( usemmx ) return _allocMMXreg(-1, MMX_GPR+reg, mode);
return _allocGPRtoXMMreg(-1, reg, mode);
}
return -1;
}
int _signExtendXMMtoM(u32 to, x86SSERegType from, int candestroy)
{
int t0reg;
g_xmmtypes[from] = XMMT_INT;
if( candestroy ) {
if( g_xmmtypes[from] == XMMT_FPS ) SSE_MOVSS_XMM_to_M32(to, from);
else SSE2_MOVD_XMM_to_M32(to, from);
SSE2_PSRAD_I8_to_XMM(from, 31);
SSE2_MOVD_XMM_to_M32(to+4, from);
return 1;
}
else {
// can't destroy and type is int
pxAssert( g_xmmtypes[from] == XMMT_INT );
if( _hasFreeXMMreg() ) {
xmmregs[from].needed = 1;
t0reg = _allocTempXMMreg(XMMT_INT, -1);
SSEX_MOVDQA_XMM_to_XMM(t0reg, from);
SSE2_PSRAD_I8_to_XMM(from, 31);
SSE2_MOVD_XMM_to_M32(to, t0reg);
SSE2_MOVD_XMM_to_M32(to+4, from);
// swap xmm regs.. don't ask
xmmregs[t0reg] = xmmregs[from];
xmmregs[from].inuse = 0;
}
else {
SSE2_MOVD_XMM_to_M32(to+4, from);
SSE2_MOVD_XMM_to_M32(to, from);
SAR32ItoM(to+4, 31);
}
return 0;
}
pxAssume( false );
}
