Mercurial > hg > truffle

annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/MembarNode.java @ 17328:c9bb0da795d4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Backed out of changeset 17322:655f3e6b467b
author Doug Simon <doug.simon@oracle.com>
date Fri, 03 Oct 2014 14:19:58 +0200
parents 655f3e6b467b
children 45b45f902bed
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1 /*
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
4 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
7 * published by the Free Software Foundation.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
8 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
13 * accompanied this code).
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
14 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
18 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
21 * questions.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
22 */
5060
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
23 package com.oracle.graal.nodes.extended;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
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.*;
8481
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
26
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
27 import java.lang.reflect.*;
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
28
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
29 import sun.misc.*;
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
30
6498
6bc8aa568cb9 moved MemoryBarriers to com.oracle.graal.api.code
Doug Simon <doug.simon@oracle.com>
parents: 6458
diff changeset
31 import com.oracle.graal.api.code.*;
9792
06dc2d2324d6 pulled LocationIdentity into a top level class and moved it to the api.meta project
Doug Simon <doug.simon@oracle.com>
parents: 9526
diff changeset
32 import com.oracle.graal.api.meta.*;
15193
96bb07a5d667 Spit up and move GraalInternalError.
Josef Eisl <josef.eisl@jku.at>
parents: 15002
diff changeset
33 import com.oracle.graal.compiler.common.*;
15261
882f4cb7cfcf Move Stamps to graal.compiler.common.
Josef Eisl <josef.eisl@jku.at>
parents: 15193
diff changeset
34 import com.oracle.graal.compiler.common.type.*;
16841
cbd42807a31f moved NodeInfo and friends into separate com.oracle.graal.nodeinfo project so that annotation processor can be applied to the base Node class
Doug Simon <doug.simon@oracle.com>
parents: 16438
diff changeset
35 import com.oracle.graal.nodeinfo.*;
5060
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
36 import com.oracle.graal.nodes.*;
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
37 import com.oracle.graal.nodes.spi.*;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
38
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
39 /**
5167
591f8231aa82 removed XIR & LIR code for nodes that are completely lowered in HotspotRuntime.lower()
Doug Simon <doug.simon@oracle.com>
parents: 5061
diff changeset
40 * Creates a memory barrier.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
41 */
15002
06e50d290784 isAllowedUsageType on Nodes
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14950
diff changeset
42 @NodeInfo(allowedUsageTypes = {InputType.Memory})
10090
ae6f0c381087 split MemoryCheckpoint interface into Single and Multi
Lukas Stadler <lukas.stadler@jku.at>
parents: 9793
diff changeset
43 public class MembarNode extends FixedWithNextNode implements LIRLowerable, MemoryCheckpoint.Single {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
44
17328
c9bb0da795d4 Backed out of changeset 17322:655f3e6b467b
Doug Simon <doug.simon@oracle.com>
parents: 17327
diff changeset
45 protected final int barriers;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
46
5167
591f8231aa82 removed XIR & LIR code for nodes that are completely lowered in HotspotRuntime.lower()
Doug Simon <doug.simon@oracle.com>
parents: 5061
diff changeset
47 /**
591f8231aa82 removed XIR & LIR code for nodes that are completely lowered in HotspotRuntime.lower()
Doug Simon <doug.simon@oracle.com>
parents: 5061
diff changeset
48 * @param barriers a mask of the barrier constants defined in {@link MemoryBarriers}
591f8231aa82 removed XIR & LIR code for nodes that are completely lowered in HotspotRuntime.lower()
Doug Simon <doug.simon@oracle.com>
parents: 5061
diff changeset
49 */
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16841
diff changeset
50 public static MembarNode create(int barriers) {
16919
0fe4732e5181 made use of generated Node classes predicated on value of graal.useGeneratedNodes system property (default is false)
Doug Simon <doug.simon@oracle.com>
parents: 16895
diff changeset
51 return USE_GENERATED_NODES ? new MembarNodeGen(barriers) : new MembarNode(barriers);
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16841
diff changeset
52 }
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16841
diff changeset
53
17309
845e881ce054 constructors in a Node class must be protected
Doug Simon <doug.simon@oracle.com>
parents: 17276
diff changeset
54 protected MembarNode(int barriers) {
5443
141817e206d4 changes to the dependencies and stamp system:
Lukas Stadler <lukas.stadler@jku.at>
parents: 5375
diff changeset
55 super(StampFactory.forVoid());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
56 this.barriers = barriers;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
57 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
58
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
59 @Override
10090
ae6f0c381087 split MemoryCheckpoint interface into Single and Multi
Lukas Stadler <lukas.stadler@jku.at>
parents: 9793
diff changeset
60 public LocationIdentity getLocationIdentity() {
ae6f0c381087 split MemoryCheckpoint interface into Single and Multi
Lukas Stadler <lukas.stadler@jku.at>
parents: 9793
diff changeset
61 return LocationIdentity.ANY_LOCATION;
7864
b66a826acf4b add location identity to MemoryCheckpoint and let WriteNode implement MemoryCheckpoint
Lukas Stadler <lukas.stadler@jku.at>
parents: 7556
diff changeset
62 }
b66a826acf4b add location identity to MemoryCheckpoint and let WriteNode implement MemoryCheckpoint
Lukas Stadler <lukas.stadler@jku.at>
parents: 7556
diff changeset
63
b66a826acf4b add location identity to MemoryCheckpoint and let WriteNode implement MemoryCheckpoint
Lukas Stadler <lukas.stadler@jku.at>
parents: 7556
diff changeset
64 @Override
14950
d5a1206e1923 NodeLIRBuilderTool: fix typo in interface name.
Josef Eisl <josef.eisl@jku.at>
parents: 14888
diff changeset
65 public void generate(NodeLIRBuilderTool generator) {
14841
47e4d2e01c6e Split LIRGenerator and fix AMD64 backend.
Josef Eisl <josef.eisl@jku.at>
parents: 14836
diff changeset
66 generator.getLIRGeneratorTool().emitMembar(barriers);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
67 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
68
8481
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
69 @SuppressWarnings("unused")
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
70 @NodeIntrinsic
8481
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
71 public static void memoryBarrier(@ConstantNodeParameter int barriers) {
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
72 // Overly conservative but it doesn't matter in the interpreter
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
73 unsafe.putIntVolatile(dummyBase, dummyOffset, 0);
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
74 unsafe.getIntVolatile(dummyBase, dummyOffset);
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
75 }
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
76
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
77 /**
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
78 * An unused field that it used to exercise barriers in the interpreter. This can be replaced
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
79 * with direct support for barriers in {@link Unsafe} if/when they become available.
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
80 */
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
81 @SuppressWarnings("unused") private static int dummy;
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
82 private static Object dummyBase;
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
83 private static long dummyOffset;
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
84 static {
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
85 try {
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
86 Field dummyField = MembarNode.class.getDeclaredField("dummy");
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
87 dummyBase = unsafe.staticFieldBase(dummyField);
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
88 dummyOffset = unsafe.staticFieldOffset(dummyField);
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
89 } catch (Exception e) {
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
90 throw new GraalInternalError(e);
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
91 }
92571f3eeeeb made VM independent method substitutions be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8452
diff changeset
92 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
93 }