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annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/cisc/x86/X86EnumerableParameter.java @ 3733:e233f5660da4

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Added Java files from Maxine project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 19:59:18 +0100
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3733
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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.gen.cisc.x86;
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24
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25 import java.util.*;
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26
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27 import com.sun.max.asm.*;
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28 import com.sun.max.asm.gen.*;
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29 import com.sun.max.program.*;
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30 import com.sun.max.util.*;
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31
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32 /**
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33 */
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34 public class X86EnumerableParameter<EnumerableArgument_Type extends Enum<EnumerableArgument_Type> & EnumerableArgument<EnumerableArgument_Type>> extends X86Parameter implements EnumerableParameter {
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35
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36 private final Enumerator<EnumerableArgument_Type> enumerator;
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37 private final Argument exampleArgument;
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38
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39 public X86EnumerableParameter(X86Operand.Designation designation, ParameterPlace place, Enumerator<EnumerableArgument_Type> enumerator) {
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40 super(designation, place);
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41 this.enumerator = enumerator;
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42 final Iterator<EnumerableArgument_Type> it = enumerator.iterator();
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43 exampleArgument = it.hasNext() ? it.next().exampleValue() : null;
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44 switch (place) {
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45 case MOD_REG:
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46 case MOD_REG_REXR:
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47 case MOD_RM:
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48 case MOD_RM_REXB:
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49 setVariableName(designation.name().toLowerCase());
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50 break;
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51 case SIB_SCALE:
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52 setVariableName("scale");
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53 break;
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54 case SIB_INDEX:
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55 case SIB_INDEX_REXX:
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56 setVariableName("index");
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57 break;
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58 case SIB_BASE:
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59 case SIB_BASE_REXB:
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60 setVariableName("base");
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61 break;
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62 case APPEND:
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63 setVariableName(enumerator.type().getSimpleName().toLowerCase());
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64 break;
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65 case OPCODE1:
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66 case OPCODE1_REXB:
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67 case OPCODE2_REXB:
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68 setVariableName("register");
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69 break;
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70 case OPCODE2:
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71 setVariableName("st_i");
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72 break;
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73 default:
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74 throw ProgramError.unexpected();
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75 }
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76 }
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77
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78 public Enumerator<EnumerableArgument_Type> enumerator() {
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79 return enumerator;
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80 }
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81
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82 public Class type() {
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83 return enumerator.type();
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84 }
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85
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86 public String valueString() {
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87 return variableName() + ".value()";
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88 }
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89
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90 public Iterable<EnumerableArgument_Type> getLegalTestArguments() {
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91 return enumerator;
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92 }
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93
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94 public Iterable<? extends Argument> getIllegalTestArguments() {
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95 return Collections.emptyList();
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96 }
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97
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98 public Argument getExampleArgument() {
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99 return exampleArgument;
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100 }
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101
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102 @Override
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103 public String toString() {
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104 return type().getSimpleName();
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105 }
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106
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107 }