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annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/amd64/AMD64IndexRegister64.java @ 4142:bc8527f3071c

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Adjust code base to new level of warnings.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 18 Dec 2011 05:24:06 +0100
parents e233f5660da4
children
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1 /*
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2 * Copyright (c) 2007, 2011, 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 package com.sun.max.asm.amd64;
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24
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25 import com.sun.max.asm.x86.*;
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26 import com.sun.max.lang.*;
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27 import com.sun.max.util.*;
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28
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29 /**
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30 * Aliases for 64-bit AMD64 general registers to be used as index registers.
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31 */
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32 public enum AMD64IndexRegister64 implements GeneralRegister<AMD64IndexRegister64> {
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33
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34 RAX_INDEX,
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35 RCX_INDEX,
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36 RDX_INDEX,
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37 RBX_INDEX,
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38 // no RSP_INDEX!
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39 RBP_INDEX,
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40 RSI_INDEX,
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41 RDI_INDEX,
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42 R8_INDEX,
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43 R9_INDEX,
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44 R10_INDEX,
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45 R11_INDEX,
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46 R12_INDEX,
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47 R13_INDEX,
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48 R14_INDEX,
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49 R15_INDEX;
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50
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51 public static AMD64IndexRegister64 from(GeneralRegister generalRegister) {
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52 int ordinal = generalRegister.id();
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53 if (ordinal >= AMD64GeneralRegister64.RSP.id()) {
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54 ordinal--;
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55 }
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56 return ENUMERATOR.get(ordinal);
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57 }
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58
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59 public int id() {
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60 int ordinal = ordinal();
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61 if (ordinal >= AMD64GeneralRegister64.RSP.id()) {
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62 ordinal++;
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63 }
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64 return ordinal;
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65 }
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66
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67 public WordWidth width() {
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68 return WordWidth.BITS_64;
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69 }
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70
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71 public int value() {
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72 return id();
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73 }
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74
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75 public long asLong() {
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76 return value();
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77 }
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78
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79 public String externalValue() {
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80 return AMD64GeneralRegister64.from(this).externalValue();
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81 }
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82
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83 public String disassembledValue() {
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84 return AMD64GeneralRegister64.from(this).disassembledValue();
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85 }
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86
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87 public Enumerator<AMD64IndexRegister64> enumerator() {
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88 return ENUMERATOR;
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89 }
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90
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91 public AMD64IndexRegister64 exampleValue() {
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92 return RSI_INDEX;
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93 }
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94
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95 public static final Enumerator<AMD64IndexRegister64> ENUMERATOR = new Enumerator<>(AMD64IndexRegister64.class);
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96 }