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FPU value clamping

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This commit is contained in:
refractionpcsx2
2007-11-24 02:04:02 +00:00
parent 7992d30296
commit 60ccff3687
1 changed files with 51 additions and 42 deletions
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93
pcsx2/x86/iFPU.c
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@@ -740,7 +740,18 @@ static void (*recComOpXMM_to_XMM[] )(x86SSERegType, x86SSERegType) = {
static void (*recComOpM32_to_XMM[] )(x86SSERegType, uptr) = {
SSE_ADDSS_M32_to_XMM, SSE_MULSS_M32_to_XMM, SSE_MAXSS_M32_to_XMM, SSE_MINSS_M32_to_XMM };
void recCommutativeOp(int info, int regd, int op) {
void ClampValues(regd){
int t5reg = _allocTempXMMreg(XMMT_FPS, -1);
SSE_XORPS_XMM_to_XMM(t5reg, t5reg);
SSE_CMPORDSS_XMM_to_XMM(t5reg, regd);
SSE_ANDPS_XMM_to_XMM(regd, t5reg);
SSE_MAXSS_M32_to_XMM(regd, (uptr)&g_minvals[0]);
SSE_MINSS_M32_to_XMM(regd, (uptr)&g_maxvals[0]);
_freeXMMreg(t5reg);
}
int recCommutativeOp(int info, int regd, int op) {
switch(info & (PROCESS_EE_S|PROCESS_EE_T) ) {
case PROCESS_EE_S:
if (regd == EEREC_S) recComOpM32_to_XMM[op](regd, (uptr)&fpuRegs.fpr[_Ft_]);
@@ -769,6 +780,7 @@ void recCommutativeOp(int info, int regd, int op) {
}
break;
}
return regd;
}
static void (*recNonComOpXMM_to_XMM[] )(x86SSERegType, x86SSERegType) = {
@@ -825,7 +837,10 @@ int recNonCommutativeOp(int info, int regd, int op)
}
void recADD_S_xmm(int info) {
recCommutativeOp(info, EEREC_D, 0);
ClampValues(recCommutativeOp(info, EEREC_D, 0));
}
FPURECOMPILE_CONSTCODE(ADD_S, XMMINFO_WRITED|XMMINFO_READS|XMMINFO_READT);
@@ -833,42 +848,25 @@ FPURECOMPILE_CONSTCODE(ADD_S, XMMINFO_WRITED|XMMINFO_READS|XMMINFO_READT);
////////////////////////////////////////////////////
void recSUB_S_xmm(int info)
{
recNonCommutativeOp(info, EEREC_D, 0);
ClampValues(recNonCommutativeOp(info, EEREC_D, 0));
}
FPURECOMPILE_CONSTCODE(SUB_S, XMMINFO_WRITED|XMMINFO_READS|XMMINFO_READT);
////////////////////////////////////////////////////
void recMUL_S_xmm(int info)
{
recCommutativeOp(info, EEREC_D, 1);
{
ClampValues(recCommutativeOp(info, EEREC_D, 1));
}
FPURECOMPILE_CONSTCODE(MUL_S, XMMINFO_WRITED|XMMINFO_READS|XMMINFO_READT);
////////////////////////////////////////////////////
void recDIV_S_xmm(int info)
{
int t0reg = _allocTempXMMreg(XMMT_FPS, -1);
int regd = recNonCommutativeOp(info, EEREC_D, 1);
// katamari needs this
SSE_XORPS_XMM_to_XMM(t0reg, t0reg);
SSE_CMPORDSS_XMM_to_XMM(t0reg, regd);
SSE_ANDPS_XMM_to_XMM(regd, t0reg);
//FFX needs this, doesnt seem to hurt Katamari
SSE_MAXSS_M32_to_XMM(regd, (uptr)&g_minvals[0]);
SSE_MINSS_M32_to_XMM(regd, (uptr)&g_maxvals[0]);
_freeXMMreg(t0reg);
// _freeXMMreg(EEREC_D);
// MOV32MtoR(EAX, (uptr)&fpuRegs.fpr[_Fd_]);
// AND32ItoR(EAX, 0x7f800000);
// CMP32ItoR(EAX, 0x7f800000);
// j8Ptr[0] = JNE8(0);
// MOV32ItoM((uptr)&fpuRegs.fpr[_Fd_], 0);
// x86SetJ8(j8Ptr[0]);
{
ClampValues(recNonCommutativeOp(info, EEREC_D, 1));
}
FPURECOMPILE_CONSTCODE(DIV_S, XMMINFO_WRITED|XMMINFO_READS|XMMINFO_READT);
@@ -877,7 +875,8 @@ static u32 PCSX2_ALIGNED16(s_neg[4]) = { 0x80000000, 0, 0, 0 };
static u32 PCSX2_ALIGNED16(s_pos[4]) = { 0x7fffffff, 0, 0, 0 };
void recSQRT_S_xmm(int info)
{
{
int t0reg = _allocTempXMMreg(XMMT_FPS, -1);
if( info & PROCESS_EE_T ) {
if( CHECK_FORCEABS ) {
if( EEREC_D == EEREC_T ) SSE_ANDPS_M128_to_XMM(EEREC_D, (uptr)&s_pos[0]);
@@ -903,12 +902,13 @@ void recSQRT_S_xmm(int info)
SSE_SQRTSS_M32_to_XMM(EEREC_D, (uptr)&fpuRegs.fpr[_Ft_]);
}
}
ClampValues(EEREC_D);
}
FPURECOMPILE_CONSTCODE(SQRT_S, XMMINFO_WRITED|XMMINFO_READT);
void recABS_S_xmm(int info)
{
{
if( info & PROCESS_EE_S ) {
if( EEREC_D != EEREC_S ) SSE_MOVSS_XMM_to_XMM(EEREC_D, EEREC_S);
SSE_ANDPS_M128_to_XMM(EEREC_D, (uptr)&s_pos[0]);
@@ -924,6 +924,7 @@ void recABS_S_xmm(int info)
SSE_ANDPS_M128_to_XMM(EEREC_D, (uptr)&s_pos[0]);
}
}
ClampValues(EEREC_D);
}
FPURECOMPILE_CONSTCODE(ABS_S, XMMINFO_WRITED|XMMINFO_READS);
@@ -949,12 +950,13 @@ void recNEG_S_xmm(int info) {
}
SSE_XORPS_M128_to_XMM(EEREC_D, (uptr)&s_neg[0]);
ClampValues(EEREC_D);
}
FPURECOMPILE_CONSTCODE(NEG_S, XMMINFO_WRITED|XMMINFO_READS);
void recRSQRT_S_xmm(int info)
{
{
switch(info & (PROCESS_EE_S|PROCESS_EE_T) ) {
case PROCESS_EE_S:
if( EEREC_D == EEREC_S ) {
@@ -994,28 +996,30 @@ void recRSQRT_S_xmm(int info)
}
break;
}
SSE_MAXSS_M32_to_XMM(EEREC_D, (uptr)&g_minvals[0]);
SSE_MINSS_M32_to_XMM(EEREC_D, (uptr)&g_maxvals[0]);
ClampValues(EEREC_D);
}
FPURECOMPILE_CONSTCODE(RSQRT_S, XMMINFO_WRITED|XMMINFO_READS|XMMINFO_READT);
void recADDA_S_xmm(int info)
{
recCommutativeOp(info, EEREC_ACC, 0);
ClampValues(recCommutativeOp(info, EEREC_ACC, 0));
}
FPURECOMPILE_CONSTCODE(ADDA_S, XMMINFO_WRITEACC|XMMINFO_READS|XMMINFO_READT);
void recSUBA_S_xmm(int info) {
recNonCommutativeOp(info, EEREC_ACC, 0);
void recSUBA_S_xmm(int info) {
ClampValues(recNonCommutativeOp(info, EEREC_ACC, 0));
}
FPURECOMPILE_CONSTCODE(SUBA_S, XMMINFO_WRITEACC|XMMINFO_READS|XMMINFO_READT);
void recMULA_S_xmm(int info) {
recCommutativeOp(info, EEREC_ACC, 1);
void recMULA_S_xmm(int info) {
ClampValues(recCommutativeOp(info, EEREC_ACC, 1));
}
FPURECOMPILE_CONSTCODE(MULA_S, XMMINFO_WRITEACC|XMMINFO_READS|XMMINFO_READT);
@@ -1023,7 +1027,7 @@ FPURECOMPILE_CONSTCODE(MULA_S, XMMINFO_WRITEACC|XMMINFO_READS|XMMINFO_READT);
void recMADDtemp(int info, int regd)
{
int vreg;
u32 mreg;
u32 mreg;
switch(info & (PROCESS_EE_S|PROCESS_EE_T) ) {
case PROCESS_EE_S:
@@ -1115,6 +1119,9 @@ void recMADDtemp(int info, int regd)
}
break;
}
ClampValues(regd);
}
void recMADD_S_xmm(int info)
@@ -1134,7 +1141,7 @@ FPURECOMPILE_CONSTCODE(MADDA_S, XMMINFO_WRITEACC|XMMINFO_READACC|XMMINFO_READS|X
void recMSUBtemp(int info, int regd)
{
int vreg;
u32 mreg;
u32 mreg;
if( !(info&PROCESS_EE_ACC)) {
int regacc = _allocFPACCtoXMMreg(-1, MODE_WRITE|MODE_READ);
@@ -1243,6 +1250,9 @@ void recMSUBtemp(int info, int regd)
}
break;
}
ClampValues(regd);
ClampValues(EEREC_ACC);
}
void recMSUB_S_xmm(int info)
@@ -1299,7 +1309,6 @@ void recCVT_W()
SSE_CVTTSS2SI_XMM_to_R32(EAX, regs);
}
else SSE_CVTTSS2SI_M32_to_R32(EAX, (uptr)&fpuRegs.fpr[ _Fs_ ]);
_deleteFPtoXMMreg(_Fd_, 2);
CMP32ItoR(EAX, 0x80000000);
@@ -1336,14 +1345,14 @@ void recCVT_W()
void recMAX_S_xmm(int info)
{
recCommutativeOp(info, EEREC_D, 2);
ClampValues(recCommutativeOp(info, EEREC_D, 2));
}
FPURECOMPILE_CONSTCODE(MAX_S, XMMINFO_WRITED|XMMINFO_READS|XMMINFO_READT);
void recMIN_S_xmm(int info)
{
recCommutativeOp(info, EEREC_D, 3);
ClampValues(recCommutativeOp(info, EEREC_D, 3));
}
FPURECOMPILE_CONSTCODE(MIN_S, XMMINFO_WRITED|XMMINFO_READS|XMMINFO_READT);