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annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/risc/field/SymbolicOperandField.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.gen.risc.field;
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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.*;
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28 import com.sun.max.asm.*;
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29 import com.sun.max.asm.gen.*;
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30 import com.sun.max.asm.gen.risc.*;
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31 import com.sun.max.asm.gen.risc.bitRange.*;
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32 import com.sun.max.util.*;
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33
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34 /**
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35 */
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36 public class SymbolicOperandField<Argument_Type extends SymbolicArgument> extends OperandField<Argument_Type> implements WrappableSpecification {
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37
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38 private final Symbolizer<Argument_Type> symbolizer;
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39
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40 public SymbolicOperandField(BitRange bitRange, Symbolizer<Argument_Type> symbolizer) {
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41 super(bitRange);
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42 assert symbolizer != null;
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43 this.symbolizer = symbolizer;
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44 }
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45
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46 public static <Argument_Type extends SymbolicArgument> SymbolicOperandField<Argument_Type> createAscending(Symbolizer<Argument_Type> symbolizer, int... bits) {
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47 final BitRange bitRange = BitRange.create(bits, BitRangeOrder.ASCENDING);
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48 return new SymbolicOperandField<>(bitRange, symbolizer);
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49 }
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50
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51 public static <Argument_Type extends SymbolicArgument> SymbolicOperandField<Argument_Type> createDescending(String variableName,
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52 final Symbolizer<Argument_Type> symbolizer, int... bits) {
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53 final BitRange bitRange = BitRange.create(bits, BitRangeOrder.DESCENDING);
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54 final SymbolicOperandField<Argument_Type> field = new SymbolicOperandField<>(bitRange, symbolizer);
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55 if (variableName != null) {
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56 field.setVariableName(variableName);
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57 }
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58 return field;
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59 }
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60
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61 public static <Argument_Type extends SymbolicArgument> SymbolicOperandField<Argument_Type> createDescending(Symbolizer<Argument_Type> symbolizer, int... bits) {
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62 return createDescending(null, symbolizer, bits);
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63 }
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64
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65 public RiscConstant constant(Argument_Type argument) {
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66 return new RiscConstant(new ConstantField(name(), bitRange()), argument);
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67 }
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68
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69 @Override
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70 public Class type() {
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71 return symbolizer.type();
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72 }
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73
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74 public String valueString() {
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75 if (boundTo() != null) {
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76 return boundTo().valueString();
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77 }
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78 return variableName() + ".value()";
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79 }
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80
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81 public int assemble(Argument_Type argument) {
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82 return bitRange().assembleUncheckedUnsignedInt(argument.value());
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83 }
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84
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85 @Override
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86 public Argument_Type disassemble(int instruction) {
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87 return symbolizer.fromValue(extract(instruction));
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88 }
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89
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90 @Override
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91 public SymbolicOperandField<Argument_Type> setVariableName(String name) {
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92 super.setVariableName(name);
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93 return this;
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94 }
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95
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96 public ArgumentRange argumentRange() {
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97 return null;
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98 }
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99
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100 public Iterable<? extends Argument> getLegalTestArguments() {
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101 return symbolizer;
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102 }
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103
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104 public Iterable<? extends Argument> getIllegalTestArguments() {
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105 return Collections.emptyList();
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106 }
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107
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108 @Override
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109 public SymbolicOperandField<Argument_Type> withExcludedExternalTestArguments(Argument... arguments) {
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110 final Class<SymbolicOperandField<Argument_Type>> type = null;
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111 return Utils.cast(type, super.withExcludedExternalTestArguments(arguments));
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112 }
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113
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114 public TestArgumentExclusion excludeExternalTestArguments(Argument... arguments) {
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115 return new TestArgumentExclusion(AssemblyTestComponent.EXTERNAL_ASSEMBLER, this, new HashSet<>(Arrays.asList(arguments)));
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116 }
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117
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118 @Override
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119 public SymbolicOperandField<Argument_Type> bindTo(Expression expression) {
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120 final Class<SymbolicOperandField<Argument_Type>> type = null;
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121 return Utils.cast(type, super.bindTo(expression));
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122 }
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123 }