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CPU/PGXP: Don't force valid input on slt/sltu

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Stenzek 2024-07-09 19:28:32 +10:00
parent 3b7844be5a
commit d922a43127
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1 changed files with 10 additions and 24 deletions
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34
src/core/cpu_pgxp.cpp
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@ -1157,20 +1157,13 @@ void CPU::PGXP::CPU_SLT(u32 instr, u32 rsVal, u32 rtVal)
Validate(&prsVal, rsVal);
Validate(&prtVal, rtVal);
// iCB: Only require one valid input
if (((prtVal.flags & VALID_XY) != VALID_XY) != ((prsVal.flags & VALID_XY) != VALID_XY))
{
MakeValid(&prsVal, rsVal);
MakeValid(&prtVal, rtVal);
}
PGXP_value ret = prsVal;
ret.x = (prsVal.GetValidY(rsVal) < prtVal.GetValidY(rtVal) ||
f16Unsign(prsVal.GetValidX(rsVal)) < f16Unsign(prtVal.GetValidX(rtVal))) ?
1.f :
0.f;
ret.y = 0.f;
ret.SetValid(COMP_Y);
ret.flags |= VALID_TAINTED_Z;
ret.x = (prsVal.y < prtVal.y) ? 1.f : (f16Unsign(prsVal.x) < f16Unsign(prtVal.x)) ? 1.f : 0.f;
ret.flags |= VALID_TAINTED_Z | VALID_X | VALID_Y;
ret.value = BoolToUInt32(static_cast<s32>(rsVal) < static_cast<s32>(rtVal));
g_state.pgxp_gpr[rd(instr)] = ret;
}
@ -1185,20 +1178,13 @@ void CPU::PGXP::CPU_SLTU(u32 instr, u32 rsVal, u32 rtVal)
Validate(&prsVal, rsVal);
Validate(&prtVal, rtVal);
// iCB: Only require one valid input
if (((prtVal.flags & VALID_XY) != VALID_XY) != ((prsVal.flags & VALID_XY) != VALID_XY))
{
MakeValid(&prsVal, rsVal);
MakeValid(&prtVal, rtVal);
}
PGXP_value ret = prsVal;
ret.x = (f16Unsign(prsVal.GetValidY(rsVal)) < f16Unsign(prtVal.GetValidY(rtVal)) ||
f16Unsign(prsVal.GetValidX(rsVal)) < f16Unsign(prtVal.GetValidX(rtVal))) ?
1.f :
0.f;
ret.y = 0.f;
ret.SetValid(COMP_Y);
ret.flags |= VALID_TAINTED_Z;
ret.x = (f16Unsign(prsVal.y) < f16Unsign(prtVal.y)) ? 1.f : (f16Unsign(prsVal.x) < f16Unsign(prtVal.x)) ? 1.f : 0.f;
ret.flags |= VALID_TAINTED_Z | VALID_X | VALID_Y;
ret.value = BoolToUInt32(rsVal < rtVal);
g_state.pgxp_gpr[rd(instr)] = ret;
}