1 /* |
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2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 package sun.jvm.hotspot.asm.ia64; |
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26 |
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27 import sun.jvm.hotspot.asm.Register; |
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28 import sun.jvm.hotspot.utilities.Assert; |
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29 |
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30 public class IA64FloatRegister extends IA64Register { |
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31 |
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32 public IA64FloatRegister(int number) { |
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33 super(number); |
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34 } |
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35 |
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36 public int getNumber() { |
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37 return number; |
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38 } |
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39 |
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40 public static final int SINGLE_PRECISION = 1; |
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41 public static final int DOUBLE_PRECISION = 2; |
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42 public static final int QUAD_PRECISION = 3; |
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43 |
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44 public int getNumber(int width) { |
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45 return number; |
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46 } |
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47 |
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48 private static final int nofRegisters = 128; |
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49 public int getNumberOfRegisters() { |
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50 return nofRegisters; |
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51 } |
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52 |
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53 public boolean isFloat() { |
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54 return true; |
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55 } |
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56 |
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57 public boolean isFramePointer() { |
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58 return false; |
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59 } |
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60 |
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61 public boolean isStackPointer() { |
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62 return false; |
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63 } |
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64 |
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65 public boolean isValid() { |
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66 return number >= 0 && number < nofRegisters; |
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67 } |
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68 |
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69 public String toString() { |
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70 return IA64FloatRegisters.getRegisterName(number); |
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71 } |
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72 |
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73 } |
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