Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/ir/AccessField.java @ 2703:42450f536d24
More cleanup towards separation of graphbuilding<>graph<>lirgeneration
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 18 May 2011 17:04:47 +0200 |
parents | 569228710be8 |
children | bd17ac598c6e |
rev | line source |
---|---|
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1 /* |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
4 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
8 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
13 * accompanied this code). |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
14 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
18 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
21 * questions. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
22 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
23 package com.sun.c1x.ir; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
24 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
25 import java.lang.reflect.*; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
26 |
2595
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
27 import com.oracle.graal.graph.*; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
28 import com.sun.cri.ci.*; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
29 import com.sun.cri.ri.*; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
30 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
31 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
32 * The base class of all instructions that access fields. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
33 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
34 public abstract class AccessField extends StateSplit { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
35 |
2595
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
36 private static final int INPUT_COUNT = 1; |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
37 private static final int INPUT_OBJECT = 0; |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
38 |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
39 private static final int SUCCESSOR_COUNT = 0; |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
40 |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
41 @Override |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
42 protected int inputCount() { |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
43 return super.inputCount() + INPUT_COUNT; |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
44 } |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
45 |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
46 @Override |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
47 protected int successorCount() { |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
48 return super.successorCount() + SUCCESSOR_COUNT; |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
49 } |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
50 |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
51 /** |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
52 * The instruction that produces the receiver object of this field access (for instance field accesses). |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
53 */ |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
54 public Value object() { |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
55 return (Value) inputs().get(super.inputCount() + INPUT_OBJECT); |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
56 } |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
57 |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
58 public Value setObject(Value n) { |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
59 return (Value) inputs().set(super.inputCount() + INPUT_OBJECT, n); |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
60 } |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
61 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
62 protected final RiField field; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
63 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
64 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
65 * Constructs a new access field object. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
66 * @param kind the result kind of the access |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
67 * @param object the instruction producing the receiver object |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
68 * @param field the compiler interface representation of the field |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
69 * @param stateBefore the state before the field access |
2595
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
70 * @param inputCount |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
71 * @param successorCount |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
72 * @param graph |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
73 */ |
2628
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2622
diff
changeset
|
74 public AccessField(CiKind kind, Value object, RiField field, int inputCount, int successorCount, Graph graph) { |
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2622
diff
changeset
|
75 super(kind, inputCount + INPUT_COUNT, successorCount + SUCCESSOR_COUNT, graph); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
76 assert object != null : "every field access must reference some object"; |
2595
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
77 this.field = field; |
4a4dab936c1e
new node layout: AccessField
Lukas Stadler <lukas.stadler@jku.at>
parents:
2543
diff
changeset
|
78 setObject(object); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
79 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
80 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
81 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
82 * Gets the compiler interface field for this field access. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
83 * @return the compiler interface field for this field access |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
84 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
85 public RiField field() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
86 return field; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
87 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
88 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
89 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
90 * Checks whether this field access is an access to a static field. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
91 * @return {@code true} if this field access is to a static field |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
92 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
93 public boolean isStatic() { |
2538
e1ba5a93e997
Clean up on Value class and LIRGenerator/LIRItem-related things.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2509
diff
changeset
|
94 return Modifier.isStatic(field.accessFlags()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
95 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
96 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
97 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
98 * Checks whether the class of the field of this access is loaded. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
99 * @return {@code true} if the class is loaded |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
100 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
101 public boolean isLoaded() { |
2540
3fc322165071
More flags clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2539
diff
changeset
|
102 return field.isResolved(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
103 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
104 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
105 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
106 * Checks whether this field is declared volatile. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
107 * @return {@code true} if the field is resolved and declared volatile |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
108 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
109 public boolean isVolatile() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
110 return isLoaded() && Modifier.isVolatile(field.accessFlags()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
111 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
112 } |