1 /*

     2  * Copyright (c) 2002, 2003, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 package sun.jvm.hotspot.asm.x86;

    26 

    27 import sun.jvm.hotspot.asm.*;

    28 

    29 public class X86ArithmeticInstruction extends X86Instruction

    30                                         implements ArithmeticInstruction {

    31    final private int operation; //RTL operation

    32    final private Operand operand1;

    33    final private Operand operand2;

    34    final private Operand operand3;

    35    final private String description;

    36 

    37    public X86ArithmeticInstruction(String name, int operation, Operand op1, Operand op2, int size, int prefixes) {

    38       super(name, size, prefixes);

    39       this.operation = operation;

    40       this.operand1 = op1;

    41       this.operand2 = op2;

    42       this.operand3 = null;

    43       description = initDescription();

    44    }

    45 

    46    public X86ArithmeticInstruction(String name, int operation, Operand op1, Operand op2, Operand op3, int size, int prefixes) {

    47       super(name, size, prefixes);

    48       this.operation = operation;

    49       this.operand1 = op1;

    50       this.operand2 = op2;

    51       this.operand3 = op3;

    52       description = initDescription();

    53    }

    54 

    55    protected String initDescription() {

    56       StringBuffer buf = new StringBuffer();

    57       buf.append(getPrefixString());

    58       buf.append(getName());

    59       buf.append(spaces);

    60       if (operand1 != null) {

    61          buf.append(getOperandAsString(operand1));

    62       }

    63       if (operand2 != null) {

    64          buf.append(comma);

    65          buf.append(getOperandAsString(operand2));

    66       }

    67       if(operand3 != null) {

    68          buf.append(comma);

    69          buf.append(getOperandAsString(operand3));

    70       }

    71       return buf.toString();

    72    }

    73 

    74    public String asString(long currentPc, SymbolFinder symFinder) {

    75       return description;

    76    }

    77 

    78    public Operand getArithmeticDestination() {

    79       return operand1;

    80    }

    81 

    82    public Operand getOperand1() {

    83       return operand1;

    84    }

    85 

    86    public Operand getOperand2() {

    87       return operand2;

    88    }

    89 

    90    public Operand getOperand3() {

    91       return operand3;

    92    }

    93 

    94    public Operand[] getArithmeticSources() {

    95       return (new Operand[] { operand1, operand2, operand3 });

    96    }

    97 

    98    public int getOperation() {

    99       return operation;

   100    }

   101 

   102    public boolean isArithmetic() {

   103       return true;

   104    }

   105 }