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 abstract class SPARCAtomicLoadStoreInstruction extends SPARCInstruction
  30                         implements LoadInstruction, StoreInstruction {
  31     final protected SPARCRegisterIndirectAddress addr;
  32     final protected SPARCRegister rd;
  33     final protected Register[] regs = new Register[1];
  34     final protected String description;
  35 
  36     public SPARCAtomicLoadStoreInstruction(String name, SPARCRegisterIndirectAddress addr, SPARCRegister rd) {
  37         super(name);
  38         this.addr = addr;
  39         this.rd = rd;
  40         regs[0] = rd;
  41         description = initDescription();
  42     }
  43 
  44     private String initDescription() {
  45         StringBuffer buf = new StringBuffer();
  46         buf.append(getName());
  47         buf.append(spaces);
  48         buf.append(addr.toString());
  49         buf.append(comma);
  50         buf.append(rd.toString());
  51         return buf.toString();
  52     }
  53 
  54     public Address getLoadSource() {
  55         return addr;
  56     }
  57 
  58     public Address getStoreDestination() {
  59         return addr;
  60     }
  61 
  62     public Register[] getLoadDestinations() {
  63         return regs;
  64     }
  65 
  66     public Register[] getStoreSources() {
  67         return regs;
  68     }
  69 
  70     public boolean isLoad() {
  71         return true;
  72     }
  73 
  74     public boolean isStore() {
  75         return true;
  76     }
  77 
  78     public String asString(long currentPc, SymbolFinder symFinder) {
  79         return description;
  80     }
  81 }