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MMI: Fixed a minor issue in PSUBUB/PSUBUH, and implemented recompiled opcodes for PMTHL/PSUBUW. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@632 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
tmkkmac 2009-02-28 09:55:18 +00:00
parent 0fb4e4ea07
commit 35386b1d2a
1 changed files with 75 additions and 3 deletions
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76
pcsx2/x86/iMMI.cpp
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@ -256,6 +256,24 @@ CPU_SSE_XMMCACHE_END
void recPMTHL()
{
if ( _Sa_ != 0 ) return;
CPU_SSE2_XMMCACHE_START(XMMINFO_READS|XMMINFO_READLO|XMMINFO_READHI|XMMINFO_WRITELO|XMMINFO_WRITEHI)
if ( cpucaps.hasStreamingSIMD4Extensions ) {
SSE4_BLENDPS_XMM_to_XMM(EEREC_LO, EEREC_S, 0x5);
SSE_SHUFPS_XMM_to_XMM(EEREC_HI, EEREC_S, 0xdd);
SSE_SHUFPS_XMM_to_XMM(EEREC_HI, EEREC_HI, 0x72);
}
else {
SSE_SHUFPS_XMM_to_XMM(EEREC_LO, EEREC_S, 0x8d);
SSE_SHUFPS_XMM_to_XMM(EEREC_HI, EEREC_S, 0xdd);
SSE_SHUFPS_XMM_to_XMM(EEREC_LO, EEREC_LO, 0x72);
SSE_SHUFPS_XMM_to_XMM(EEREC_HI, EEREC_HI, 0x72);
}
CPU_SSE_XMMCACHE_END
recCall( Interp::PMTHL, 0 );
}
@ -1838,7 +1856,13 @@ void recPSUBUB()
CPU_SSE2_XMMCACHE_START(XMMINFO_READS|XMMINFO_READT|XMMINFO_WRITED)
if( EEREC_D == EEREC_S ) SSE2_PSUBUSB_XMM_to_XMM(EEREC_D, EEREC_T);
else if( EEREC_D == EEREC_T ) SSE2_PSUBUSB_XMM_to_XMM(EEREC_D, EEREC_S);
else if( EEREC_D == EEREC_T ) {
int t0reg = _allocTempXMMreg(XMMT_INT, -1);
SSEX_MOVDQA_XMM_to_XMM(t0reg, EEREC_T);
SSEX_MOVDQA_XMM_to_XMM(EEREC_D, EEREC_S);
SSE2_PSUBUSB_XMM_to_XMM(EEREC_D, t0reg);
_freeXMMreg(t0reg);
}
else {
SSEX_MOVDQA_XMM_to_XMM(EEREC_D, EEREC_S);
SSE2_PSUBUSB_XMM_to_XMM(EEREC_D, EEREC_T);
@ -1855,7 +1879,13 @@ void recPSUBUH()
CPU_SSE2_XMMCACHE_START(XMMINFO_READS|XMMINFO_READT|XMMINFO_WRITED)
if( EEREC_D == EEREC_S ) SSE2_PSUBUSW_XMM_to_XMM(EEREC_D, EEREC_T);
else if( EEREC_D == EEREC_T ) SSE2_PSUBUSW_XMM_to_XMM(EEREC_D, EEREC_S);
else if( EEREC_D == EEREC_T ) {
int t0reg = _allocTempXMMreg(XMMT_INT, -1);
SSEX_MOVDQA_XMM_to_XMM(t0reg, EEREC_T);
SSEX_MOVDQA_XMM_to_XMM(EEREC_D, EEREC_S);
SSE2_PSUBUSW_XMM_to_XMM(EEREC_D, t0reg);
_freeXMMreg(t0reg);
}
else {
SSEX_MOVDQA_XMM_to_XMM(EEREC_D, EEREC_S);
SSE2_PSUBUSW_XMM_to_XMM(EEREC_D, EEREC_T);
@ -1868,6 +1898,48 @@ CPU_SSE_XMMCACHE_END
////////////////////////////////////////////////////
void recPSUBUW()
{
if ( ! _Rd_ ) return;
CPU_SSE2_XMMCACHE_START(XMMINFO_READS|XMMINFO_READT|XMMINFO_WRITED)
int t0reg = _allocTempXMMreg(XMMT_INT, -1);
int t1reg = _allocTempXMMreg(XMMT_INT, -1);
SSE2_PCMPEQB_XMM_to_XMM(t0reg, t0reg);
SSE2_PSLLD_I8_to_XMM(t0reg, 31); // 0x80000000
// normal 32-bit subtraction
// and invert MSB of Rs and Rt (for unsigned comparison)
if( EEREC_D == EEREC_S ) {
SSEX_MOVDQA_XMM_to_XMM(t1reg, t0reg);
SSE2_PXOR_XMM_to_XMM(t0reg, EEREC_S);
SSE2_PXOR_XMM_to_XMM(t1reg, EEREC_T);
SSE2_PSUBD_XMM_to_XMM(EEREC_D, EEREC_T);
}
else if( EEREC_D == EEREC_T ) {
SSEX_MOVDQA_XMM_to_XMM(t1reg, EEREC_T);
SSEX_MOVDQA_XMM_to_XMM(EEREC_D, EEREC_S);
SSE2_PSUBD_XMM_to_XMM(EEREC_D, t1reg);
SSE2_PXOR_XMM_to_XMM(t1reg, t0reg);
SSE2_PXOR_XMM_to_XMM(t0reg, EEREC_S);
}
else {
SSEX_MOVDQA_XMM_to_XMM(EEREC_D, EEREC_S);
SSE2_PSUBD_XMM_to_XMM(EEREC_D, EEREC_T);
SSEX_MOVDQA_XMM_to_XMM(t1reg, t0reg);
SSE2_PXOR_XMM_to_XMM(t0reg, EEREC_S);
SSE2_PXOR_XMM_to_XMM(t1reg, EEREC_T);
}
// ungigned 32-bit comparison
SSE2_PCMPGTD_XMM_to_XMM(t0reg, t1reg);
// saturate
SSE2_PAND_XMM_to_XMM(EEREC_D, t0reg); // clear word with zero if (Rs <= Rt)
_freeXMMreg(t0reg);
_freeXMMreg(t1reg);
CPU_SSE_XMMCACHE_END
recCall( Interp::PSUBUW, _Rd_ );
}