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39 lines
1 KiB
C++
39 lines
1 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#include <boost/optional.hpp>
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#include "frontend/A64/translate/impl/impl.h"
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namespace Dynarmic::A64 {
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static boost::optional<size_t> GetDataSize(Imm<2> type) {
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switch (type.ZeroExtend()) {
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case 0b00:
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return 32;
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case 0b01:
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return 64;
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case 0b11:
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return 16;
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}
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return boost::none;
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}
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bool TranslatorVisitor::FCSEL_float(Imm<2> type, Vec Vm, Cond cond, Vec Vn, Vec Vd) {
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const auto datasize = GetDataSize(type);
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if (!datasize || *datasize == 16) {
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return UnallocatedEncoding();
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}
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const IR::U32U64 operand1 = V_scalar(*datasize, Vn);
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const IR::U32U64 operand2 = V_scalar(*datasize, Vm);
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const IR::U32U64 result = ir.ConditionalSelect(cond, operand1, operand2);
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V_scalar(*datasize, Vd, result);
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return true;
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}
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} // namespace Dynarmic::A64
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