40 lines
1 KiB
C++
40 lines
1 KiB
C++
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/* This file is part of the dynarmic project.
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* Copyright (c) 2016 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 "translate_arm.h"
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namespace Dynarmic {
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namespace Arm {
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bool ArmTranslatorVisitor::arm_REV(Cond cond, Reg d, Reg m) {
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// REV<c> <Rd>, <Rm>
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ASSERT(d != Reg::PC && m != Reg::PC);
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if (ConditionPassed(cond)) {
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auto result = ir.ByteReverseWord(ir.GetRegister(m));
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ir.SetRegister(d, result);
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}
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return true;
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}
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bool ArmTranslatorVisitor::arm_REV16(Cond cond, Reg d, Reg m) {
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return InterpretThisInstruction();
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}
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bool ArmTranslatorVisitor::arm_REVSH(Cond cond, Reg d, Reg m) {
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// REVSH<c> <Rd>, <Rm>
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ASSERT(d != Reg::PC && m != Reg::PC);
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if (ConditionPassed(cond)) {
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auto rev_half = ir.ByteReverseHalf(ir.LeastSignificantHalf(ir.GetRegister(m)));
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ir.SetRegister(d, ir.SignExtendHalfToWord(rev_half));
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}
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return true;
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}
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} // namespace Arm
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} // namespace Dynarmic
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