Mercurial > hg > truffle
annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndWriteNode.java @ 15291:471e28b8f03b
Move UnsafeAccess to graal.compiler.common.
| author | Josef Eisl <josef.eisl@jku.at> |
|---|---|
| date | Tue, 22 Apr 2014 15:24:14 +0200 |
| parents | 882f4cb7cfcf |
| children | 5d468add216f |
| rev | line source |
|---|---|
| 15251 | 1 /* |
| 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 package com.oracle.graal.nodes.java; | |
| 24 | |
|
15291
471e28b8f03b
Move UnsafeAccess to graal.compiler.common.
Josef Eisl <josef.eisl@jku.at>
parents:
15261
diff
changeset
|
25 import static com.oracle.graal.compiler.common.UnsafeAccess.*; |
| 15251 | 26 |
| 27 import com.oracle.graal.api.meta.*; | |
|
15261
882f4cb7cfcf
Move Stamps to graal.compiler.common.
Josef Eisl <josef.eisl@jku.at>
parents:
15251
diff
changeset
|
28 import com.oracle.graal.compiler.common.type.*; |
| 15251 | 29 import com.oracle.graal.nodes.*; |
| 30 import com.oracle.graal.nodes.extended.*; | |
| 31 import com.oracle.graal.nodes.spi.*; | |
|
15291
471e28b8f03b
Move UnsafeAccess to graal.compiler.common.
Josef Eisl <josef.eisl@jku.at>
parents:
15261
diff
changeset
|
32 |
| 15251 | 33 import sun.misc.*; |
| 34 | |
| 35 /** | |
| 36 * Represents an atomic read-and-write operation like {@link Unsafe#getAndSetInt(Object, long, int)} | |
| 37 * . | |
| 38 */ | |
| 39 public class AtomicReadAndWriteNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single { | |
| 40 | |
| 41 @Input private ValueNode object; | |
| 42 @Input private ValueNode offset; | |
| 43 @Input private ValueNode newValue; | |
| 44 | |
| 45 private final Kind valueKind; | |
| 46 private final LocationIdentity locationIdentity; | |
| 47 | |
| 48 public AtomicReadAndWriteNode(ValueNode object, ValueNode offset, ValueNode newValue, Kind valueKind, LocationIdentity locationIdentity) { | |
| 49 super(StampFactory.forKind(newValue.getKind())); | |
| 50 this.object = object; | |
| 51 this.offset = offset; | |
| 52 this.newValue = newValue; | |
| 53 this.valueKind = valueKind; | |
| 54 this.locationIdentity = locationIdentity; | |
| 55 } | |
| 56 | |
| 57 public ValueNode object() { | |
| 58 return object; | |
| 59 } | |
| 60 | |
| 61 public ValueNode offset() { | |
| 62 return offset; | |
| 63 } | |
| 64 | |
| 65 public ValueNode newValue() { | |
| 66 return newValue; | |
| 67 } | |
| 68 | |
| 69 public Kind getValueKind() { | |
| 70 return valueKind; | |
| 71 } | |
| 72 | |
| 73 public LocationIdentity getLocationIdentity() { | |
| 74 return locationIdentity; | |
| 75 } | |
| 76 | |
| 77 public void lower(LoweringTool tool) { | |
| 78 tool.getLowerer().lower(this, tool); | |
| 79 } | |
| 80 | |
| 81 @NodeIntrinsic | |
| 82 public static int getAndSetInt(Object object, long offset, int newValue, @SuppressWarnings("unused") @ConstantNodeParameter Kind valueKind, | |
| 83 @ConstantNodeParameter @SuppressWarnings("unused") LocationIdentity locationIdentity) { | |
| 84 return unsafe.getAndSetInt(object, offset, newValue); | |
| 85 } | |
| 86 | |
| 87 @NodeIntrinsic | |
| 88 public static long getAndSetLong(Object object, long offset, long newValue, @SuppressWarnings("unused") @ConstantNodeParameter Kind valueKind, | |
| 89 @ConstantNodeParameter @SuppressWarnings("unused") LocationIdentity locationIdentity) { | |
| 90 return unsafe.getAndSetLong(object, offset, newValue); | |
| 91 } | |
| 92 | |
| 93 @NodeIntrinsic | |
| 94 public static Object getAndSetObject(Object object, long offset, Object newValue, @SuppressWarnings("unused") @ConstantNodeParameter Kind valueKind, | |
| 95 @ConstantNodeParameter @SuppressWarnings("unused") LocationIdentity locationIdentity) { | |
| 96 return unsafe.getAndSetObject(object, offset, newValue); | |
| 97 } | |
| 98 | |
| 99 } |