1 /*
   2  * Copyright 2002-2003 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.asm.x86;
  26 import sun.jvm.hotspot.asm.*;
  27 
  28 public class ArithmeticDecoder extends InstructionDecoder {
  29    private int rtlOperation;
  30 
  31    public ArithmeticDecoder(String name, int addrMode1, int operandType1, int rtlOperation) {
  32       super(name, addrMode1, operandType1);
  33       this.rtlOperation = rtlOperation;
  34    }
  35    public ArithmeticDecoder(String name, int addrMode1, int operandType1, int addrMode2, int operandType2, int rtlOperation) {
  36       super(name, addrMode1, operandType1, addrMode2, operandType2);
  37       this.rtlOperation = rtlOperation;
  38    }
  39    public ArithmeticDecoder(String name, int addrMode1, int operandType1, int addrMode2, int operandType2, int addrMode3, int operandType3, int rtlOperation) {
  40       super(name, addrMode1, operandType1, addrMode2, operandType2, addrMode3, operandType3);
  41       this.rtlOperation = rtlOperation;
  42    }
  43    protected Instruction decodeInstruction(byte[] bytesArray, boolean operandSize, boolean addrSize, X86InstructionFactory factory) {
  44       Operand op1 = getOperand1(bytesArray, operandSize, addrSize);
  45       Operand op2 = getOperand2(bytesArray, operandSize, addrSize);
  46       Operand op3 = getOperand3(bytesArray, operandSize, addrSize);
  47       int size = byteIndex - instrStartIndex;
  48       return factory.newArithmeticInstruction(name, rtlOperation, op1, op2, op3, size, prefixes);
  49    }
  50 }