1 /*
   2  * Copyright 2003 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.ia64;
  26 
  27 import sun.jvm.hotspot.asm.Register;
  28 import sun.jvm.hotspot.utilities.Assert;
  29 
  30 public class IA64FloatRegister extends IA64Register {
  31 
  32     public IA64FloatRegister(int number) {
  33         super(number);
  34     }
  35 
  36     public int getNumber() {
  37         return number;
  38     }
  39 
  40     public static final int SINGLE_PRECISION = 1;
  41     public static final int DOUBLE_PRECISION = 2;
  42     public static final int QUAD_PRECISION = 3;
  43 
  44     public int getNumber(int width) {
  45         return number;
  46     }
  47 
  48     private static final int nofRegisters = 128;
  49     public int getNumberOfRegisters() {
  50         return nofRegisters;
  51     }
  52 
  53     public boolean isFloat() {
  54         return true;
  55     }
  56 
  57     public boolean isFramePointer() {
  58         return false;
  59     }
  60 
  61     public boolean isStackPointer() {
  62         return false;
  63     }
  64 
  65     public boolean isValid() {
  66         return number >= 0 && number < nofRegisters;
  67     }
  68 
  69     public String toString() {
  70         return IA64FloatRegisters.getRegisterName(number);
  71     }
  72 
  73 }