1 /*
   2  * Copyright 2002 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.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 }