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annotate graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/StoreField.java @ 2874:d90bf514d647

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Renamed packages.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 08 Jun 2011 08:59:54 +0200
parents graal/com.oracle.max.graal.compiler/src/com/sun/c1x/ir/StoreField.java@0341b6424579
children 35d4ea420ea7
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1 /*
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2 * Copyright (c) 2009, 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.oracle.max.graal.compiler.ir;
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24
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25 import com.oracle.max.graal.compiler.debug.*;
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26 import com.oracle.max.graal.graph.*;
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27 import com.sun.cri.ci.*;
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28 import com.sun.cri.ri.*;
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29
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30 /**
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31 * The {@code StoreField} instruction represents a write to a static or instance field.
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32 */
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33 public final class StoreField extends AccessField {
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35 private static final int INPUT_COUNT = 1;
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36 private static final int INPUT_VALUE = 0;
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37
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38 private static final int SUCCESSOR_COUNT = 0;
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39
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40 @Override
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41 protected int inputCount() {
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42 return super.inputCount() + INPUT_COUNT;
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43 }
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44
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45 @Override
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46 protected int successorCount() {
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47 return super.successorCount() + SUCCESSOR_COUNT;
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48 }
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49
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50 /**
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51 * The value that is written to the field.
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52 */
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53 public Value value() {
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54 return (Value) inputs().get(super.inputCount() + INPUT_VALUE);
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55 }
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56
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57 public Value setValue(Value n) {
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58 return (Value) inputs().set(super.inputCount() + INPUT_VALUE, n);
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59 }
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60
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61 /**
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62 * Creates a new LoadField instance.
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63 * @param object the receiver object
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64 * @param field the compiler interface field
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65 * @param value the instruction representing the value to store to the field
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66 * @param stateAfter the state after the field access
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67 * @param graph
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68 */
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69 public StoreField(Value object, RiField field, Value value, Graph graph) {
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70 super(CiKind.Void, object, field, INPUT_COUNT, SUCCESSOR_COUNT, graph);
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71 setValue(value);
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72 }
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73
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74 @Override
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75 public void accept(ValueVisitor v) {
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76 v.visitStoreField(this);
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77 }
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78
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79 @Override
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80 public void print(LogStream out) {
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81 out.print(object()).
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82 print(".").
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83 print(field().name()).
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84 print(" := ").
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85 print(value()).
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86 print(" [type: ").print(CiUtil.format("%h.%n:%t", field(), false)).
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87 print(']');
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88 }
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90 @Override
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91 public Node copy(Graph into) {
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92 StoreField x = new StoreField(null, field, null, into);
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93 return x;
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94 }
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95 }