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Core: More work improve the accuracy of cop1

This commit is contained in:
zilmar 2023-03-28 13:12:59 +10:30
parent ce69324dbe
commit 422a42cae3
1 changed files with 118 additions and 11 deletions
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129
Source/Project64-core/N64System/Interpreter/InterpreterOps.cpp
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@ -2173,8 +2173,20 @@ void R4300iOp::COP1_S_DIV()
{ {
return; return;
} }
_FPCR[31] &= ~0x0003F000;
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
*(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] / *(float *)_FPR_S[m_Opcode.ft]); feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput32(*(float *)_FPR_S[m_Opcode.fs]) || !CheckFPUInput32(*(float *)_FPR_S[m_Opcode.ft]))
{
return;
}
float Result = (*(float *)_FPR_S[m_Opcode.fs] / *(float *)_FPR_S[m_Opcode.ft]);
if (CheckFPUException() || CheckFPUResult32(Result))
{
return;
}
*(uint32_t *)_FPR_S[m_Opcode.fd] = *(uint32_t *)&Result;
} }
void R4300iOp::COP1_S_SQRT() void R4300iOp::COP1_S_SQRT()
@ -2183,9 +2195,20 @@ void R4300iOp::COP1_S_SQRT()
{ {
return; return;
} }
_FPCR[31] &= ~0x0003F000;
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
feclearexcept(FE_ALL_EXCEPT);
*(float *)(_FPR_S[m_Opcode.fd]) = sqrtf(*(float *)(_FPR_S[m_Opcode.fs])); if (!CheckFPUInput32(*(float *)_FPR_S[m_Opcode.fs]))
{
return;
}
float Result = sqrtf(*(float *)(_FPR_S[m_Opcode.fs]));
if (CheckFPUException() || CheckFPUResult32(Result))
{
return;
}
*(uint32_t *)_FPR_S[m_Opcode.fd] = *(uint32_t *)&Result;
} }
void R4300iOp::COP1_S_ABS() void R4300iOp::COP1_S_ABS()
@ -2194,8 +2217,20 @@ void R4300iOp::COP1_S_ABS()
{ {
return; return;
} }
_FPCR[31] &= ~0x0003F000;
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
*(float *)_FPR_S[m_Opcode.fd] = (float)fabs(*(float *)_FPR_S[m_Opcode.fs]); feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput32(*(float *)_FPR_S[m_Opcode.fs]))
{
return;
}
float Result = (float)fabs(*(float *)_FPR_S[m_Opcode.fs]);
if (CheckFPUException() || CheckFPUResult32(Result))
{
return;
}
*(uint32_t *)_FPR_S[m_Opcode.fd] = *(uint32_t *)&Result;
} }
void R4300iOp::COP1_S_MOV() void R4300iOp::COP1_S_MOV()
@ -2214,8 +2249,20 @@ void R4300iOp::COP1_S_NEG()
{ {
return; return;
} }
_FPCR[31] &= ~0x0003F000;
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
*(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] * -1.0f); feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput32(*(float *)_FPR_S[m_Opcode.fs]))
{
return;
}
float Result = (*(float *)_FPR_S[m_Opcode.fs] * -1.0f);
if (CheckFPUException() || CheckFPUResult32(Result))
{
return;
}
*(uint32_t *)_FPR_S[m_Opcode.fd] = *(uint32_t *)&Result;
} }
void R4300iOp::COP1_S_ROUND_L() void R4300iOp::COP1_S_ROUND_L()
@ -2473,7 +2520,7 @@ void R4300iOp::COP1_D_ADD()
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
feclearexcept(FE_ALL_EXCEPT); feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput64(*(double *)_FPR_S[m_Opcode.fs]) || !CheckFPUInput64(*(double *)_FPR_S[m_Opcode.ft])) if (!CheckFPUInput64(*(double *)_FPR_D[m_Opcode.fs]) || !CheckFPUInput64(*(double *)_FPR_D[m_Opcode.ft]))
{ {
return; return;
} }
@ -2495,7 +2542,7 @@ void R4300iOp::COP1_D_SUB()
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
feclearexcept(FE_ALL_EXCEPT); feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput64(*(double *)_FPR_S[m_Opcode.fs]) || !CheckFPUInput64(*(double *)_FPR_S[m_Opcode.ft])) if (!CheckFPUInput64(*(double *)_FPR_D[m_Opcode.fs]) || !CheckFPUInput64(*(double *)_FPR_D[m_Opcode.ft]))
{ {
return; return;
} }
@ -2513,8 +2560,20 @@ void R4300iOp::COP1_D_MUL()
{ {
return; return;
} }
_FPCR[31] &= ~0x0003F000;
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
*(double *)_FPR_D[m_Opcode.fd] = *(double *)_FPR_D[m_Opcode.fs] * *(double *)_FPR_D[m_Opcode.ft]; feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput64(*(double *)_FPR_D[m_Opcode.fs]) || !CheckFPUInput64(*(double *)_FPR_D[m_Opcode.ft]))
{
return;
}
double Result = (*(double *)_FPR_D[m_Opcode.fs] * *(double *)_FPR_D[m_Opcode.ft]);
if (CheckFPUException() || CheckFPUResult64(Result))
{
return;
}
*(uint64_t *)_FPR_D[m_Opcode.fd] = *(uint64_t *)&Result;
} }
void R4300iOp::COP1_D_DIV() void R4300iOp::COP1_D_DIV()
@ -2523,8 +2582,20 @@ void R4300iOp::COP1_D_DIV()
{ {
return; return;
} }
_FPCR[31] &= ~0x0003F000;
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
*(double *)_FPR_D[m_Opcode.fd] = *(double *)_FPR_D[m_Opcode.fs] / *(double *)_FPR_D[m_Opcode.ft]; feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput64(*(double *)_FPR_D[m_Opcode.fs]) || !CheckFPUInput64(*(double *)_FPR_D[m_Opcode.ft]))
{
return;
}
double Result = (*(double *)_FPR_D[m_Opcode.fs] / *(double *)_FPR_D[m_Opcode.ft]);
if (CheckFPUException() || CheckFPUResult64(Result))
{
return;
}
*(uint64_t *)_FPR_D[m_Opcode.fd] = *(uint64_t *)&Result;
} }
void R4300iOp::COP1_D_SQRT() void R4300iOp::COP1_D_SQRT()
@ -2533,8 +2604,20 @@ void R4300iOp::COP1_D_SQRT()
{ {
return; return;
} }
_FPCR[31] &= ~0x0003F000;
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
*(double *)_FPR_D[m_Opcode.fd] = (double)sqrt(*(double *)_FPR_D[m_Opcode.fs]); feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput64(*(double *)_FPR_D[m_Opcode.fs]))
{
return;
}
double Result = (double)sqrt(*(double *)_FPR_D[m_Opcode.fs]);
if (CheckFPUException() || CheckFPUResult64(Result))
{
return;
}
*(uint64_t *)_FPR_D[m_Opcode.fd] = *(uint64_t *)&Result;
} }
void R4300iOp::COP1_D_ABS() void R4300iOp::COP1_D_ABS()
@ -2543,8 +2626,20 @@ void R4300iOp::COP1_D_ABS()
{ {
return; return;
} }
_FPCR[31] &= ~0x0003F000;
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
*(double *)_FPR_D[m_Opcode.fd] = fabs(*(double *)_FPR_D[m_Opcode.fs]); feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput64(*(double *)_FPR_D[m_Opcode.fs]))
{
return;
}
double Result = fabs(*(double *)_FPR_D[m_Opcode.fs]);
if (CheckFPUException() || CheckFPUResult64(Result))
{
return;
}
*(uint64_t *)_FPR_D[m_Opcode.fd] = *(uint64_t *)&Result;
} }
void R4300iOp::COP1_D_MOV() void R4300iOp::COP1_D_MOV()
@ -2563,8 +2658,20 @@ void R4300iOp::COP1_D_NEG()
{ {
return; return;
} }
_FPCR[31] &= ~0x0003F000;
fesetround(*_RoundingModel); fesetround(*_RoundingModel);
*(double *)_FPR_D[m_Opcode.fd] = (*(double *)_FPR_D[m_Opcode.fs] * -1.0); feclearexcept(FE_ALL_EXCEPT);
if (!CheckFPUInput64(*(double *)_FPR_D[m_Opcode.fs]))
{
return;
}
double Result = (*(double *)_FPR_D[m_Opcode.fs] * -1.0);
if (CheckFPUException() || CheckFPUResult64(Result))
{
return;
}
*(uint64_t *)_FPR_D[m_Opcode.fd] = *(uint64_t *)&Result;
} }
void R4300iOp::COP1_D_ROUND_L() void R4300iOp::COP1_D_ROUND_L()