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almost done with the vu div opcode :p 

git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@29 a6443dda-0b58-4228-96e9-037be469359c
This commit is contained in:
cottonvibes 2008-08-14 17:20:58 +00:00 committed by Gregory Hainaut
parent 495db3a47c
commit c3a6c3316d
1 changed files with 45 additions and 36 deletions
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75
pcsx2/x86/iVUmicro.c
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@ -1338,7 +1338,7 @@ void vuFloat3(uptr x86ptr)
void CheckForOverflow(VURegs *VU, int info, int regd) void CheckForOverflow(VURegs *VU, int info, int regd)
{ {
//testWhenOverflow(info, regd, EEREC_TEMP); testWhenOverflow(info, regd, EEREC_TEMP);
//CheckForOverflow_(regd, EEREC_TEMP, _X_Y_Z_W); //CheckForOverflow_(regd, EEREC_TEMP, _X_Y_Z_W);
if (EEREC_TEMP != regd) { if (EEREC_TEMP != regd) {
//testWhenOverflow(info, regd, EEREC_TEMP); //testWhenOverflow(info, regd, EEREC_TEMP);
@ -3610,21 +3610,18 @@ void recVUMI_ITOF0( VURegs *VU, int info )
VU_MERGE_REGS(EEREC_T, EEREC_TEMP); VU_MERGE_REGS(EEREC_T, EEREC_TEMP);
xmmregs[EEREC_T].mode |= MODE_WRITE; xmmregs[EEREC_T].mode |= MODE_WRITE;
if (CHECK_EXTRA_OVERFLOW) vuFloat2(EEREC_T, EEREC_TEMP, _X_Y_Z_W); // Clamp infinities
vuFloat2(EEREC_T, EEREC_TEMP, _X_Y_Z_W); // Clamp infinities
} }
else { else {
if( cpucaps.hasStreamingSIMD2Extensions ) { if( cpucaps.hasStreamingSIMD2Extensions ) {
SSE2_CVTDQ2PS_XMM_to_XMM(EEREC_T, EEREC_S); SSE2_CVTDQ2PS_XMM_to_XMM(EEREC_T, EEREC_S);
if (CHECK_EXTRA_OVERFLOW) vuFloat2(EEREC_T, EEREC_TEMP, 15); // Clamp infinities
vuFloat2(EEREC_T, EEREC_TEMP, 15); // Clamp infinities
} }
else { else {
_deleteVFtoXMMreg(_Fs_, VU==&VU1, 1); _deleteVFtoXMMreg(_Fs_, VU==&VU1, 1);
SSE2EMU_CVTDQ2PS_M128_to_XMM(EEREC_T, VU_VFx_ADDR( _Fs_ )); SSE2EMU_CVTDQ2PS_M128_to_XMM(EEREC_T, VU_VFx_ADDR( _Fs_ ));
xmmregs[EEREC_T].mode |= MODE_WRITE; xmmregs[EEREC_T].mode |= MODE_WRITE;
if (CHECK_EXTRA_OVERFLOW) vuFloat2(EEREC_T, EEREC_TEMP, 15); // Clamp infinities
vuFloat2(EEREC_T, EEREC_TEMP, 15); // Clamp infinities
} }
} }
} }
@ -3643,8 +3640,7 @@ void recVUMI_ITOFX(VURegs *VU, int addr, int info)
SSE_MULPS_M128_to_XMM(EEREC_TEMP, addr); SSE_MULPS_M128_to_XMM(EEREC_TEMP, addr);
VU_MERGE_REGS(EEREC_T, EEREC_TEMP); VU_MERGE_REGS(EEREC_T, EEREC_TEMP);
xmmregs[EEREC_T].mode |= MODE_WRITE; xmmregs[EEREC_T].mode |= MODE_WRITE;
if (CHECK_EXTRA_OVERFLOW) vuFloat2(EEREC_T, EEREC_TEMP, _X_Y_Z_W); // Clamp infinities
vuFloat2(EEREC_T, EEREC_TEMP, _X_Y_Z_W); // Clamp infinities
} else { } else {
if(cpucaps.hasStreamingSIMD2Extensions) SSE2_CVTDQ2PS_XMM_to_XMM(EEREC_T, EEREC_S); if(cpucaps.hasStreamingSIMD2Extensions) SSE2_CVTDQ2PS_XMM_to_XMM(EEREC_T, EEREC_S);
else { else {
@ -3654,8 +3650,7 @@ void recVUMI_ITOFX(VURegs *VU, int addr, int info)
} }
SSE_MULPS_M128_to_XMM(EEREC_T, addr); SSE_MULPS_M128_to_XMM(EEREC_T, addr);
if (CHECK_EXTRA_OVERFLOW) vuFloat2(EEREC_T, EEREC_TEMP, 15); // Clamp infinities
vuFloat2(EEREC_T, EEREC_TEMP, 15); // Clamp infinities
} }
} }
@ -3733,10 +3728,11 @@ void recVUMI_CLIP(VURegs *VU, int info)
/* VU Lower instructions */ /* VU Lower instructions */
/******************************/ /******************************/
PCSX2_ALIGNED16(u64 DIV_TEMP_XMM[2];) PCSX2_ALIGNED16(u64 DIV_TEMP_XMM[2];)
PCSX2_ALIGNED16(u64 DIV_TEMP_XMM2[2];)
void recVUMI_DIV(VURegs *VU, int info) void recVUMI_DIV(VURegs *VU, int info)
{ {
int t1reg; int t1reg, t2reg;
u8* pjmp; u8* pjmp;
if( _Fs_ == 0 ) { if( _Fs_ == 0 ) {
@ -3824,30 +3820,46 @@ void recVUMI_DIV(VURegs *VU, int info)
SSE_DIVSS_M32_to_XMM(EEREC_TEMP, (uptr)&VU->VF[_Ft_].UL[_Ftf_]); SSE_DIVSS_M32_to_XMM(EEREC_TEMP, (uptr)&VU->VF[_Ft_].UL[_Ftf_]);
} }
} }
else { // = 0 So result is -MAX/+MAX else { // = 0 So result is +/- 0, or +/- Fmax if (FT == 0)
//SysPrintf("FS = 0, FT != 0\n"); //SysPrintf("FS = 0, FT != 0\n");
_unpackVFSS_xyzw(EEREC_TEMP, EEREC_T, _Ftf_); // EEREC_TEMP.x <- EEREC_T.ftf
t1reg = (EEREC_TEMP == 0) ? (EEREC_TEMP + 1) : (EEREC_TEMP - 1);
t2reg = (EEREC_TEMP <= 1) ? (EEREC_TEMP + 2) : (EEREC_TEMP - 2);
SSE_MOVAPS_XMM_to_M128( (uptr)DIV_TEMP_XMM, t1reg ); // backup data in t1reg to a temp address
SSE_MOVAPS_XMM_to_M128( (uptr)DIV_TEMP_XMM2, t2reg ); // backup data in t2reg to a temp address
// FT can still be zero here! so we need to check if its zero and set the correct flag. // FT can still be zero here! so we need to check if its zero and set the correct flag.
SSE_XORPS_XMM_to_XMM(t1reg, t1reg); // Clear t1reg
SSE_XORPS_XMM_to_XMM(EEREC_TEMP, EEREC_TEMP); // Clear EEREC_TEMP
XOR32RtoR( EAX, EAX ); // Clear EAX XOR32RtoR( EAX, EAX ); // Clear EAX
SSE_CMPEQPS_XMM_to_XMM(EEREC_TEMP, EEREC_T); // Set all F's if each vector is zero SSE_CMPEQSS_XMM_to_XMM(t1reg, EEREC_TEMP); // Set all F's if each vector is zero
SSE_MOVMSKPS_XMM_to_R32(EAX, EEREC_TEMP); // Move the sign bits of the previous calculation SSE_MOVMSKPS_XMM_to_R32(EAX, t1reg); // Move the sign bits of the previous calculation
AND32ItoR( EAX, 0x0000000f & ( 1 << _Ftf_ ) ); // Grab "Is Zero" bits from the previous calculation AND32ItoR( EAX, 0x00000001 ); // Grab "Is Zero" bits from the previous calculation
pjmp = JZ8(0); // Skip if none are pjmp = JZ8(0); // Skip if none are
OR32ItoR(EAX, 0x410); // Set invalid flag they are OR32ItoR(EAX, 0x410); // Set invalid flag they are
x86SetJ8(pjmp); x86SetJ8(pjmp);
OR32RtoM( VU_VI_ADDR(REG_STATUS_FLAG, 2), EAX ); OR32RtoM( VU_VI_ADDR(REG_STATUS_FLAG, 2), EAX );
// Now that we've finished the 0/0 flag checking, we can just set Q to +/- Fmax SSE_MOVAPS_XMM_to_XMM(t2reg, t1reg);
_unpackVFSS_xyzw(EEREC_TEMP, EEREC_T, _Ftf_);
SSE_ANDPS_M128_to_XMM(EEREC_TEMP, (uptr)&VU_Signed_Zero_Mask[0]); SSE_ANDPS_XMM_to_XMM(t1reg, EEREC_TEMP);
SSE_ORPS_M128_to_XMM(EEREC_TEMP, (uptr)&g_maxvals[0]); SSE_ANDPS_M128_to_XMM(t1reg, (uptr)&VU_Signed_Zero_Mask[0]);
SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_Q, 0), EEREC_TEMP); SSE_ORPS_M128_to_XMM(t1reg, (uptr)&g_maxvals[0]); // If 0, then t1reg = +/- fmax
SSE_ANDNPS_XMM_to_XMM(t2reg, EEREC_TEMP);
SSE_ANDPS_M128_to_XMM(t2reg, (uptr)&VU_Signed_Zero_Mask[0]); // If != 0, then t2reg = +/- 0
SSE_ORPS_XMM_to_XMM(t1reg, t2reg); // t1reg = 0 or fmax
SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_Q, 0), t1reg);
SSE_MOVAPS_M128_to_XMM( (uptr)DIV_TEMP_XMM, t1reg ); // restore t1reg data
SSE_MOVAPS_M128_to_XMM( (uptr)DIV_TEMP_XMM2, t2reg ); // restore t2reg data
return; return;
} }
@ -3857,7 +3869,8 @@ void recVUMI_DIV(VURegs *VU, int info)
if( _Ftf_ < 3 ) { if( _Ftf_ < 3 ) {
//SysPrintf("FS != 0, FT == 0\n"); //SysPrintf("FS != 0, FT == 0\n");
OR32ItoM(VU_VI_ADDR(REG_STATUS_FLAG, 2), 0x820); //Zero divide (only when not 0/0) OR32ItoM(VU_VI_ADDR(REG_STATUS_FLAG, 2), 0x820); //Zero divide (only when not 0/0)
MOV32ItoM(VU_VI_ADDR(REG_Q, 0), 0x7f7fffff); AND32ItoM(VU_VI_ADDR(REG_Q, 0), 0x80000000);
OR32ItoM(VU_VI_ADDR(REG_Q, 0), 0x7f7fffff);
} else { } else {
//SysPrintf("FS != 0, FT == 1\n"); //SysPrintf("FS != 0, FT == 1\n");
@ -3896,8 +3909,8 @@ void recVUMI_DIV(VURegs *VU, int info)
SSE_DIVSS_XMM_to_XMM(EEREC_TEMP, EEREC_T); SSE_DIVSS_XMM_to_XMM(EEREC_TEMP, EEREC_T);
} }
} }
if (CHECK_EXTRA_OVERFLOW)
vuFloat2(EEREC_TEMP, EEREC_TEMP, 0x8); vuFloat2(EEREC_TEMP, EEREC_TEMP, 0x8);
SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_Q, 0), EEREC_TEMP); SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_Q, 0), EEREC_TEMP);
} }
@ -3938,8 +3951,7 @@ void recVUMI_SQRT( VURegs *VU, int info )
SSE_SQRTSS_XMM_to_XMM(EEREC_TEMP, EEREC_TEMP); SSE_SQRTSS_XMM_to_XMM(EEREC_TEMP, EEREC_TEMP);
if (CHECK_EXTRA_OVERFLOW) vuFloat2(EEREC_TEMP, EEREC_TEMP, 0x8);
vuFloat2(EEREC_TEMP, EEREC_TEMP, 0x8);
SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_Q, 0), EEREC_TEMP); SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_Q, 0), EEREC_TEMP);
_freeX86reg(vftemp); _freeX86reg(vftemp);
@ -4053,8 +4065,7 @@ void recVUMI_RSQRT(VURegs *VU, int info)
} }
} }
if (CHECK_EXTRA_OVERFLOW) vuFloat2(EEREC_TEMP, EEREC_TEMP, 0x8);
vuFloat2(EEREC_TEMP, EEREC_TEMP, 0x8);
SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_Q, 0), EEREC_TEMP); SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_Q, 0), EEREC_TEMP);
_freeX86reg(vftemp); _freeX86reg(vftemp);
@ -5496,7 +5507,6 @@ void recVUMI_ESADD( VURegs *VU, int info)
} }
} }
if (CHECK_EXTRA_OVERFLOW)
vuFloat2(EEREC_TEMP, EEREC_D, 0x8); vuFloat2(EEREC_TEMP, EEREC_D, 0x8);
SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_P, 0), EEREC_TEMP); SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_P, 0), EEREC_TEMP);
@ -5534,8 +5544,7 @@ void recVUMI_ERSADD( VURegs *VU, int info )
// don't use RCPSS (very bad precision) // don't use RCPSS (very bad precision)
SSE_DIVSS_XMM_to_XMM(EEREC_TEMP, EEREC_D); SSE_DIVSS_XMM_to_XMM(EEREC_TEMP, EEREC_D);
if (CHECK_EXTRA_OVERFLOW) vuFloat2(EEREC_TEMP, EEREC_D, 0x8);
vuFloat2(EEREC_TEMP, EEREC_D, 0x8);
SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_P, 0), EEREC_TEMP); SSE_MOVSS_XMM_to_M32(VU_VI_ADDR(REG_P, 0), EEREC_TEMP);
} }