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annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/CompositeValue.java @ 19529:8fc336a04d77

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Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 20 Feb 2015 22:22:55 +0100
parents d216de21bfe8
children a69a7c0e0ccc
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1 /*
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2 * Copyright (c) 2013, 2014, 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.oracle.graal.lir;
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24
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25 import java.lang.annotation.*;
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26
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27 import com.oracle.graal.api.meta.*;
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28 import com.oracle.graal.compiler.common.*;
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29 import com.oracle.graal.debug.*;
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30 import com.oracle.graal.lir.LIRInstruction.OperandFlag;
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31 import com.oracle.graal.lir.LIRInstruction.OperandMode;
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32
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33 /**
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34 * Base class to represent values that need to be stored in more than one register.
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35 */
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36 public abstract class CompositeValue extends AbstractValue implements Cloneable {
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37
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38 private static final long serialVersionUID = -169180052684126180L;
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39
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40 @Retention(RetentionPolicy.RUNTIME)
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41 @Target(ElementType.FIELD)
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42 public static @interface Component {
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43
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44 OperandFlag[] value() default OperandFlag.REG;
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45 }
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46
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47 private final CompositeValueClass<?> valueClass;
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48
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49 private static final DebugMetric COMPOSITE_VALUE_COUNT = Debug.metric("CompositeValues");
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50
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51 public CompositeValue(CompositeValueClass<? extends CompositeValue> c, LIRKind kind) {
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52 super(kind);
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53 COMPOSITE_VALUE_COUNT.increment();
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54 valueClass = c;
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55 assert c.getClazz() == this.getClass();
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56 }
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57
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58 final CompositeValue forEachComponent(LIRInstruction inst, OperandMode mode, InstructionValueProcedure proc) {
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59 return valueClass.forEachComponent(inst, this, mode, proc);
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60 }
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61
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62 final void forEachComponent(LIRInstruction inst, OperandMode mode, ValuePositionProcedure proc, ValuePosition outerPosition) {
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63 valueClass.forEachComponent(inst, this, mode, proc, outerPosition);
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64 }
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65
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66 @Override
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67 public String toString() {
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68 return valueClass.toString(this);
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69 }
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70
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71 @Override
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72 public int hashCode() {
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73 return 53 * super.hashCode() + valueClass.hashCode();
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74 }
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75
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76 @Override
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77 public boolean equals(Object obj) {
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78 if (obj instanceof CompositeValue) {
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79 CompositeValue other = (CompositeValue) obj;
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80 return super.equals(other) && valueClass.equals(other.valueClass);
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81 }
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82 return false;
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83 }
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84
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85 CompositeValueClass<?> getValueClass() {
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86 return valueClass;
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87 }
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88
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89 @Override
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90 public final CompositeValue clone() {
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91 CompositeValue compositeValue = null;
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92 try {
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93 compositeValue = (CompositeValue) super.clone();
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94 } catch (CloneNotSupportedException e) {
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95 throw new GraalInternalError(e);
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96 }
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97
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98 // copy value arrays
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99 getValueClass().copyValueArrays(compositeValue);
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100
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101 return compositeValue;
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102 }
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103
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104 }