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interp: Correct dprefix accuracy for vrot.

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Ignores cosine lane, not always x.
This commit is contained in:
Unknown W. Brackets 2022-10-30 21:47:28 -07:00
parent 56ff555309
commit 2da1bf7ffc
1 changed files with 3 additions and 2 deletions
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5
Core/MIPS/MIPSIntVFPU.cpp
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@ -1629,8 +1629,9 @@ namespace MIPSInt
d[cosineLane] = cosine;
}
// D prefix works, just not for x.
currentMIPS->vfpuCtrl[VFPU_CTRL_DPREFIX] &= 0xFFEFC;
// D prefix works, just not for the cosine lane.
uint32_t dprefixRemove = (3 << cosineLane) | (1 << (8 + cosineLane));
currentMIPS->vfpuCtrl[VFPU_CTRL_DPREFIX] &= 0xFFFFF ^ dprefixRemove;
ApplyPrefixD(d, sz);
WriteVector(d, sz, vd);
PC += 4;