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comparison graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/RegisterFinalizer.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/RegisterFinalizer.java@0341b6424579
children 6c95d57cb1e2
comparison
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2873:810e2d253e00 2874:d90bf514d647
1 /*
2 * Copyright (c) 2011, 2011, 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.max.graal.compiler.ir;
24
25 import com.oracle.max.graal.compiler.debug.*;
26 import com.oracle.max.graal.compiler.value.*;
27 import com.oracle.max.graal.graph.*;
28 import com.sun.cri.ci.*;
29
30 /**
31 * This instruction is used to perform the finalizer registration at the end of the java.lang.Object constructor.
32 */
33 public class RegisterFinalizer extends StateSplit {
34
35 private static final int INPUT_COUNT = 1;
36 private static final int INPUT_OBJECT = 0;
37
38 private static final int SUCCESSOR_COUNT = 0;
39
40 @Override
41 protected int inputCount() {
42 return super.inputCount() + INPUT_COUNT;
43 }
44
45 @Override
46 protected int successorCount() {
47 return super.successorCount() + SUCCESSOR_COUNT;
48 }
49
50 /**
51 * The instruction that produces the object whose finalizer should be registered.
52 */
53 public Value object() {
54 return (Value) inputs().get(super.inputCount() + INPUT_OBJECT);
55 }
56
57 public Value setObject(Value n) {
58 return (Value) inputs().set(super.inputCount() + INPUT_OBJECT, n);
59 }
60
61 public RegisterFinalizer(Value object, FrameState stateBefore, Graph graph) {
62 super(CiKind.Void, INPUT_COUNT, SUCCESSOR_COUNT, graph);
63 setObject(object);
64 setStateBefore(stateBefore);
65 }
66
67 @Override
68 public void accept(ValueVisitor v) {
69 v.visitRegisterFinalizer(this);
70 }
71
72 @Override
73 public void print(LogStream out) {
74 out.print("register finalizer ").print(object());
75 }
76
77 @Override
78 public Node copy(Graph into) {
79 RegisterFinalizer x = new RegisterFinalizer(null, null, into);
80 return x;
81 }
82 }