1 /*

     2  * Copyright (c) 2002, 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.sparc;

    26 

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

    28 

    29 public class SPARCV9PrefetchInstruction extends SPARCInstruction

    30                     implements SPARCV9Instruction {

    31     final private SPARCRegisterIndirectAddress addr;

    32     final private int prefetchFcn;

    33     final private String description;

    34 

    35     public static final int PREFETCH_MANY_READS  = 0;

    36     public static final int PREFETCH_ONE_READ    = 1;

    37     public static final int PREFETCH_MANY_WRITES = 2;

    38     public static final int PREFETCH_ONE_WRITE   = 3;

    39     public static final int PREFETCH_PAGE        = 4;

    40 

    41     public SPARCV9PrefetchInstruction(String name, SPARCRegisterIndirectAddress addr, int prefetchFcn) {

    42         super(name);

    43         this.addr = addr;

    44         this.prefetchFcn = prefetchFcn;

    45         description = initDescription();

    46     }

    47 

    48     private String initDescription() {

    49         StringBuffer buf = new StringBuffer();

    50         buf.append(getName());

    51         buf.append(spaces);

    52         buf.append(addr.toString());

    53         buf.append(comma);

    54         buf.append(prefetchFcn);

    55         return buf.toString();

    56     }

    57 

    58     public int getPrefetchFunction() {

    59         return prefetchFcn;

    60     }

    61 

    62     public SPARCRegisterIndirectAddress getPrefetchAddress() {

    63         return addr;

    64     }

    65 

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

    67         return description;

    68     }

    69 }