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A32: Implement ASIMD VMUL (integer and polynomial)

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Lioncash 2020-06-19 17:00:53 -04:00 • committed by merry
parent ed6ca58058
commit 8d067d5d60
3 changed files with 26 additions and 1 deletions
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23
src/frontend/A32/translate/impl/asimd_three_same.cpp
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@ -310,4 +310,27 @@ bool ArmTranslatorVisitor::asimd_VTST(bool D, size_t sz, size_t Vn, size_t Vd, b
return true;
}
bool ArmTranslatorVisitor::asimd_VMUL(bool P, bool D, size_t sz, size_t Vn, size_t Vd, bool N, bool Q, bool M, size_t Vm) {
if (sz == 0b11 || (P && sz != 0b00)) {
return UndefinedInstruction();
}
if (Q && (Common::Bit<0>(Vd) || Common::Bit<0>(Vn) || Common::Bit<0>(Vm))) {
return UndefinedInstruction();
}
const size_t esize = 8U << sz;
const auto d = ToVector(Q, Vd, D);
const auto m = ToVector(Q, Vm, M);
const auto n = ToVector(Q, Vn, N);
const auto reg_n = ir.GetVector(n);
const auto reg_m = ir.GetVector(m);
const auto result = P ? ir.VectorPolynomialMultiply(reg_m, reg_n)
: ir.VectorMultiply(esize, reg_m, reg_n);
ir.SetVector(d, result);
return true;
}
} // namespace Dynarmic::A32