0N/A/*
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0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
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0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
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0N/A
0N/Apackage sun.jvm.hotspot.asm.x86;
0N/A
0N/Aimport sun.jvm.hotspot.asm.*;
0N/A
0N/Apublic class MoveDecoder extends InstructionDecoder {
0N/A public MoveDecoder(String name, int addrMode1, int operandType1, int addrMode2, int operandType2) {
0N/A super(name, addrMode1, operandType1, addrMode2, operandType2);
0N/A }
0N/A
0N/A protected Instruction decodeInstruction(byte[] bytesArray, boolean operandSize, boolean addrSize, X86InstructionFactory factory) {
0N/A Operand op1 = getOperand1(bytesArray, operandSize, addrSize);
0N/A Operand op2 = getOperand2(bytesArray, operandSize, addrSize);
0N/A int size = byteIndex - instrStartIndex;
0N/A
0N/A if( (op1 instanceof X86Register) && (op2 instanceof ImmediateOrRegister) ) {
0N/A return factory.newMoveInstruction(name, (X86Register)op1, (ImmediateOrRegister)op2, size, prefixes);
0N/A }
0N/A else if( (op1 instanceof Address) && (op2 instanceof Immediate) ) {
0N/A return factory.newGeneralInstruction(name, op1, op2, size, prefixes);
0N/A }
0N/A else if( (op1 instanceof Address) && (op2 instanceof X86Register) ) {
0N/A return factory.newMoveStoreInstruction(name, (Address)op1, (X86Register)op2, 0, size, prefixes);
0N/A }
0N/A else if( (op1 instanceof X86Register) && (op2 instanceof Address) ) {
0N/A return factory.newMoveLoadInstruction(name, (X86Register)op1, (Address)op2, 0, size, prefixes);
0N/A }
0N/A
0N/A return null;
0N/A }
0N/A}