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A32: Implement ASIMD VAND (register)

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Lioncash 2020-05-16 11:31:17 -04:00 committed by merry
parent 1b25e867ae
commit 0441ab81a1
4 changed files with 40 additions and 1 deletions
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1
src/CMakeLists.txt
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@ -123,6 +123,7 @@ if ("A32" IN_LIST DYNARMIC_FRONTENDS)
frontend/A32/location_descriptor.h
frontend/A32/PSR.h
frontend/A32/translate/impl/asimd_load_store_structures.cpp
frontend/A32/translate/impl/asimd_three_same.cpp
frontend/A32/translate/impl/barrier.cpp
frontend/A32/translate/impl/branch.cpp
frontend/A32/translate/impl/coprocessor.cpp

2
src/frontend/A32/decoder/asimd.inc
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@ -2,7 +2,7 @@
//INST(asimd_VHADD, "VHADD", "1111001U0-CC--------0000---0----") // ASIMD
//INST(asimd_VQADD, "VQADD", "1111001U0-CC--------0000---1----") // ASIMD
//INST(asimd_VRHADD, "VRHADD", "1111001U0-CC--------0001---0----") // ASIMD
//INST(asimd_VAND_reg, "VAND (register)", "111100100-00--------0001---1----") // ASIMD
INST(asimd_VAND_reg, "VAND (register)", "111100100D00nnnndddd0001NQM1mmmm") // ASIMD
//INST(asimd_VBIC_reg, "VBIC (register)", "111100100-01--------0001---1----") // ASIMD
//INST(asimd_VORR_reg, "VORR (register)", "111100100-10--------0001---1----") // ASIMD
//INST(asimd_VORN_reg, "VORN (register)", "111100100-11--------0001---1----") // ASIMD

35
src/frontend/A32/translate/impl/asimd_three_same.cpp Normal file
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@ -0,0 +1,35 @@
/* This file is part of the dynarmic project.
* Copyright (c) 2020 MerryMage
* SPDX-License-Identifier: 0BSD
*/
#include "common/bit_util.h"
#include "frontend/A32/translate/impl/translate_arm.h"
namespace Dynarmic::A32 {
static ExtReg ToExtReg(size_t base, bool bit) {
return ExtReg::D0 + (base + (bit ? 16 : 0));
}
bool ArmTranslatorVisitor::asimd_VAND_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, reg_m);
ir.SetExtendedRegister(d + i, result);
}
return true;
}
} // namespace Dynarmic::A32

3
src/frontend/A32/translate/impl/translate_arm.h
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@ -429,6 +429,9 @@ struct ArmTranslatorVisitor final {
bool vfp_VLDM_a1(Cond cond, bool p, bool u, bool D, bool w, Reg n, size_t Vd, Imm<8> imm8);
bool vfp_VLDM_a2(Cond cond, bool p, bool u, bool D, bool w, Reg n, size_t Vd, Imm<8> imm8);
// Advanced SIMD three register variants
bool asimd_VAND_reg(bool D, size_t Vn, size_t Vd, bool N, bool Q, bool M, size_t Vm);
// Advanced SIMD load/store structures
bool v8_VLD_multiple(bool D, Reg n, size_t Vd, Imm<4> type, size_t sz, size_t align, Reg m);
};