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 SPARCV9BranchInstruction extends SPARCBranchInstruction
  30                     implements SPARCV9Instruction {
  31     final private boolean predictTaken;
  32     final private int conditionFlag; // icc, xcc or fccn - condition bits selected
  33 
  34     public SPARCV9BranchInstruction(String name, PCRelativeAddress addr,
  35               boolean isAnnuled, int conditionCode, boolean predictTaken, int conditionFlag) {
  36         super((name += (predictTaken)? ",pt" : ",pn"), addr, isAnnuled, conditionCode);
  37         this.predictTaken = predictTaken;
  38         this.conditionFlag = conditionFlag;
  39     }
  40 
  41     public boolean getPredictTaken() {
  42         return predictTaken;
  43     }
  44 
  45     public String getConditionFlagName() {
  46         return SPARCV9ConditionFlags.getFlagName(conditionFlag);
  47     }
  48 
  49     public int getConditionFlag() {
  50         return conditionFlag;
  51     }
  52 
  53     public String asString(long currentPc, SymbolFinder symFinder) {
  54         long address = addr.getDisplacement() + currentPc;
  55         StringBuffer buf = new StringBuffer();
  56         buf.append(getName());
  57         buf.append(spaces);
  58 
  59         // add conditionFlag bit used.
  60         buf.append(getConditionFlagName());
  61         buf.append(comma);
  62         buf.append(symFinder.getSymbolFor(address));
  63         return buf.toString();
  64     }
  65 }