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CPU/PGXP: Explicitly handle addi rt, zero, nnnn

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Stenzek 2024-07-09 19:07:17 +10:00
parent 22b273800e
commit 5410a42fd7
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1 changed files with 10 additions and 0 deletions
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10
src/core/cpu_pgxp.cpp
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@ -758,6 +758,16 @@ void CPU::PGXP::CPU_ADDI(u32 instr, u32 rsVal)
if (tempImm.d == 0)
return;
if (rsVal == 0)
{
// x is low precision value
prtVal.x = static_cast<float>(tempImm.sw.l);
prtVal.y = static_cast<float>(tempImm.sw.h);
prtVal.flags |= VALID_X | VALID_Y | VALID_TAINTED_Z;
prtVal.value = tempImm.d;
return;
}
prtVal.x = (float)f16Unsign(prtVal.x);
prtVal.x += (float)tempImm.w.l;