irjit: Handle VDet.

This commit is contained in:
Unknown W. Brackets 2023-09-24 23:03:25 -07:00
parent 06a1f0b72c
commit e104a28b71
2 changed files with 15 additions and 2 deletions

View file

@ -1771,7 +1771,20 @@ namespace MIPSComp {
// d[0] = s[0]*t[1] - s[1]*t[0]
// Note: this operates on two vectors, not a 2x2 matrix.
DISABLE;
VectorSize sz = GetVecSize(op);
if (sz != V_Pair)
DISABLE;
u8 sregs[4], dregs[4], tregs[4];
GetVectorRegsPrefixS(sregs, sz, _VS);
GetVectorRegsPrefixT(tregs, sz, _VT);
GetVectorRegsPrefixD(dregs, V_Single, _VD);
ir.Write(IROp::FMul, IRVTEMP_0, sregs[1], tregs[0]);
ir.Write(IROp::FMul, dregs[0], sregs[0], tregs[1]);
ir.Write(IROp::FSub, dregs[0], dregs[0], IRVTEMP_0);
ApplyPrefixD(dregs, V_Single, _VD);
}
void IRFrontend::Comp_Vi2x(MIPSOpcode op) {

View file

@ -1446,7 +1446,7 @@ namespace MIPSInt
d[0] += s[2] * t[2] + s[3] * t[3];
}
ApplyPrefixD(d, sz);
ApplyPrefixD(d, V_Single);
WriteVector(d, V_Single, vd);
PC += 4;
EatPrefixes();