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A32: Implement ASIMD VBIC (register)

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Lioncash 2020-05-16 12:40:12 -04:00 • committed by merry
parent 0441ab81a1
commit 64fa804dd4
3 changed files with 22 additions and 1 deletions
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20
src/frontend/A32/translate/impl/asimd_three_same.cpp
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@ -32,4 +32,24 @@ bool ArmTranslatorVisitor::asimd_VAND_reg(bool D, size_t Vn, size_t Vd, bool N,
return true;
}
bool ArmTranslatorVisitor::asimd_VBIC_reg(bool D, size_t Vn, size_t Vd, bool N, bool Q, bool M, size_t Vm) {
if (Q && (Common::Bit<0>(Vd) || Common::Bit<0>(Vn) || Common::Bit<0>(Vm))) {
return UndefinedInstruction();
}
const auto d = ToExtReg(Vd, D);
const auto m = ToExtReg(Vm, M);
const auto n = ToExtReg(Vn, N);
const size_t regs = Q ? 2 : 1;
for (size_t i = 0; i < regs; i++) {
const IR::U32U64 reg_m = ir.GetExtendedRegister(m + i);
const IR::U32U64 reg_n = ir.GetExtendedRegister(n + i);
const IR::U32U64 result = ir.And(reg_n, ir.Not(reg_m));
ir.SetExtendedRegister(d + i, result);
}
return true;
}
} // namespace Dynarmic::A32