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38 lines
1.5 KiB
C++
38 lines
1.5 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 "frontend/A64/translate/impl/impl.h"
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namespace Dynarmic::A64 {
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bool TranslatorVisitor::SM3TT1A(Vec Vm, Imm<2> imm2, Vec Vn, Vec Vd) {
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const IR::U128 d = ir.GetQ(Vd);
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const IR::U128 m = ir.GetQ(Vm);
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const IR::U128 n = ir.GetQ(Vn);
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const u32 index = imm2.ZeroExtend();
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const IR::U32 top_d = ir.VectorGetElement(32, d, 3);
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const IR::U32 before_top_d = ir.VectorGetElement(32, d, 2);
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const IR::U32 after_low_d = ir.VectorGetElement(32, d, 1);
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const IR::U32 low_d = ir.VectorGetElement(32, d, 0);
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const IR::U32 top_n = ir.VectorGetElement(32, n, 3);
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const IR::U32 wj_prime = ir.VectorGetElement(32, m, index);
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const IR::U32 ss2 = ir.Eor(top_n, ir.RotateRight(top_d, ir.Imm8(20)));
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const IR::U32 tt1 = ir.Eor(after_low_d, ir.Eor(top_d, before_top_d));
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const IR::U32 final_tt1 = ir.Add(tt1, ir.Add(low_d, ir.Add(ss2, wj_prime)));
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const IR::U128 zero_vector = ir.ZeroVector();
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const IR::U128 tmp1 = ir.VectorSetElement(32, zero_vector, 0, after_low_d);
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const IR::U128 tmp2 = ir.VectorSetElement(32, tmp1, 1, ir.RotateRight(before_top_d, ir.Imm8(23)));
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const IR::U128 tmp3 = ir.VectorSetElement(32, tmp2, 2, top_d);
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const IR::U128 result = ir.VectorSetElement(32, tmp3, 3, final_tt1);
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ir.SetQ(Vd, result);
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return true;
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}
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} // namespace Dynarmic::A64
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