dynarmic/src/frontend/A64/translate/impl/data_processing_multiply.cpp
2020-04-22 20:42:46 +01:00

40 lines
1.0 KiB
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2018 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#include "frontend/A64/translate/impl/impl.h"
namespace Dynarmic {
namespace A64 {
bool TranslatorVisitor::MADD(bool sf, Reg Rm, Reg Ra, Reg Rn, Reg Rd) {
const size_t datasize = sf ? 64 : 32;
const IR::U32U64 a = X(datasize, Ra);
const IR::U32U64 m = X(datasize, Rm);
const IR::U32U64 n = X(datasize, Rn);
const IR::U32U64 result = ir.Add(a, ir.Mul(n, m));
X(datasize, Rd, result);
return true;
}
bool TranslatorVisitor::MSUB(bool sf, Reg Rm, Reg Ra, Reg Rn, Reg Rd) {
const size_t datasize = sf ? 64 : 32;
const IR::U32U64 a = X(datasize, Ra);
const IR::U32U64 m = X(datasize, Rm);
const IR::U32U64 n = X(datasize, Rn);
const IR::U32U64 result = ir.Sub(a, ir.Mul(n, m));
X(datasize, Rd, result);
return true;
}
} // namespace A64
} // namespace Dynarmic