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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndWriteNode.java @ 21556:48c1ebd24120

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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents cba35d171cd1
children
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1 /*
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2 * Copyright (c) 2014, 2015, 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.nodes.java;
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24
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25 import sun.misc.*;
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26
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27 import com.oracle.graal.compiler.common.type.*;
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28 import com.oracle.graal.graph.*;
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29 import com.oracle.graal.nodeinfo.*;
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30 import com.oracle.graal.nodes.*;
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31 import com.oracle.graal.nodes.memory.*;
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32 import com.oracle.graal.nodes.spi.*;
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33 import com.oracle.jvmci.meta.*;
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34
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35 /**
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36 * Represents an atomic read-and-write operation like {@link Unsafe#getAndSetInt(Object, long, int)}
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37 * .
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38 */
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39 @NodeInfo
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40 public final class AtomicReadAndWriteNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single {
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41
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42 public static final NodeClass<AtomicReadAndWriteNode> TYPE = NodeClass.create(AtomicReadAndWriteNode.class);
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43 @Input ValueNode object;
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44 @Input ValueNode offset;
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45 @Input ValueNode newValue;
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46
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47 protected final Kind valueKind;
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48 protected final LocationIdentity locationIdentity;
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49
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50 public AtomicReadAndWriteNode(ValueNode object, ValueNode offset, ValueNode newValue, Kind valueKind, LocationIdentity locationIdentity) {
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51 super(TYPE, StampFactory.forKind(newValue.getKind()));
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52 this.object = object;
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53 this.offset = offset;
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54 this.newValue = newValue;
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55 this.valueKind = valueKind;
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56 this.locationIdentity = locationIdentity;
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57 }
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58
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59 public ValueNode object() {
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60 return object;
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61 }
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62
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63 public ValueNode offset() {
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64 return offset;
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65 }
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66
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67 public ValueNode newValue() {
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68 return newValue;
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69 }
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70
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71 public Kind getValueKind() {
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72 return valueKind;
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73 }
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74
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75 public LocationIdentity getLocationIdentity() {
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76 return locationIdentity;
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77 }
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78
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79 public void lower(LoweringTool tool) {
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80 tool.getLowerer().lower(this, tool);
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81 }
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82 }