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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/VirtualArrayNode.java @ 17450:45b45f902bed

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removed Node generation (GRAAL-857)
author Doug Simon <doug.simon@oracle.com>
date Wed, 15 Oct 2014 15:35:33 +0200
parents c9bb0da795d4
children f57d86eb036f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2011, 2012, 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
6ad5bf2efb5e cleanups, merge EscapeRecord and VirtualObjectNode
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
6ad5bf2efb5e cleanups, merge EscapeRecord and VirtualObjectNode
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12 * version 2 for more details (a copy is included in the LICENSE file that
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diff changeset
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
6ad5bf2efb5e cleanups, merge EscapeRecord and VirtualObjectNode
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16 * 2 along with this work; if not, write to the Free Software Foundation,
6ad5bf2efb5e cleanups, merge EscapeRecord and VirtualObjectNode
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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
6ad5bf2efb5e cleanups, merge EscapeRecord and VirtualObjectNode
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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.virtual;
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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.api.meta.*;
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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>
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28 import com.oracle.graal.nodeinfo.*;
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29 import com.oracle.graal.nodes.*;
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30 import com.oracle.graal.nodes.spi.*;
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31
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32 @NodeInfo(nameTemplate = "VirtualArray {p#componentType/s}[{p#length}]")
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33 public class VirtualArrayNode extends VirtualObjectNode implements ArrayLengthProvider {
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34
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35 protected final ResolvedJavaType componentType;
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36 protected final int length;
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37
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38 public static VirtualArrayNode create(ResolvedJavaType componentType, int length) {
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39 return new VirtualArrayNode(componentType, length);
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40 }
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41
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42 protected VirtualArrayNode(ResolvedJavaType componentType, int length) {
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43 super(componentType.getArrayClass(), true);
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44 this.componentType = componentType;
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45 this.length = length;
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46 }
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47
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48 @Override
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49 public ResolvedJavaType type() {
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50 return componentType.getArrayClass();
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51 }
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52
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53 public ResolvedJavaType componentType() {
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54 return componentType;
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55 }
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56
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57 @Override
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58 public int entryCount() {
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59 return length;
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60 }
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61
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62 @Override
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63 public void generate(NodeLIRBuilderTool gen) {
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64 // nothing to do...
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65 }
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66
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67 @Override
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68 public String toString(Verbosity verbosity) {
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69 if (verbosity == Verbosity.Name) {
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70 return super.toString(Verbosity.Name) + " " + componentType.getName() + "[" + length + "]";
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71 } else {
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72 return super.toString(verbosity);
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73 }
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74 }
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75
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76 @Override
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77 public String entryName(int index) {
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78 return "[" + index + "]";
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79 }
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80
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81 @Override
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82 public int entryIndexForOffset(long constantOffset) {
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83 int baseOffset;
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84 int indexScale;
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85 switch (componentType.getKind()) {
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86 case Boolean:
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87 baseOffset = Unsafe.ARRAY_BOOLEAN_BASE_OFFSET;
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88 indexScale = Unsafe.ARRAY_BOOLEAN_INDEX_SCALE;
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89 break;
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90 case Byte:
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91 baseOffset = Unsafe.ARRAY_BYTE_BASE_OFFSET;
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92 indexScale = Unsafe.ARRAY_BYTE_INDEX_SCALE;
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93 break;
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94 case Short:
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95 baseOffset = Unsafe.ARRAY_SHORT_BASE_OFFSET;
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96 indexScale = Unsafe.ARRAY_SHORT_INDEX_SCALE;
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97 break;
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98 case Char:
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99 baseOffset = Unsafe.ARRAY_CHAR_BASE_OFFSET;
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100 indexScale = Unsafe.ARRAY_CHAR_INDEX_SCALE;
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101 break;
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102 case Int:
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103 baseOffset = Unsafe.ARRAY_INT_BASE_OFFSET;
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104 indexScale = Unsafe.ARRAY_INT_INDEX_SCALE;
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105 break;
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106 case Long:
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107 baseOffset = Unsafe.ARRAY_LONG_BASE_OFFSET;
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108 indexScale = Unsafe.ARRAY_LONG_INDEX_SCALE;
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109 break;
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110 case Float:
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111 baseOffset = Unsafe.ARRAY_FLOAT_BASE_OFFSET;
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112 indexScale = Unsafe.ARRAY_FLOAT_INDEX_SCALE;
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113 break;
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114 case Double:
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115 baseOffset = Unsafe.ARRAY_DOUBLE_BASE_OFFSET;
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116 indexScale = Unsafe.ARRAY_DOUBLE_INDEX_SCALE;
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117 break;
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118 case Object:
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119 baseOffset = Unsafe.ARRAY_OBJECT_BASE_OFFSET;
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120 indexScale = Unsafe.ARRAY_OBJECT_INDEX_SCALE;
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121 break;
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122 default:
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123 return -1;
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124 }
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125 long index = constantOffset - baseOffset;
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parents: 7024
diff changeset
126 if (index % indexScale != 0) {
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7024
diff changeset
127 return -1;
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7024
diff changeset
128 }
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7024
diff changeset
129 long elementIndex = index / indexScale;
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7024
diff changeset
130 if (elementIndex < 0 || elementIndex >= length) {
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7024
diff changeset
131 return -1;
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7024
diff changeset
132 }
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7024
diff changeset
133 return (int) elementIndex;
ccade022ec83 virtualization of unsafeload and unsafestore
Lukas Stadler <lukas.stadler@jku.at>
parents: 7024
diff changeset
134 }
7394
94f032472c28 changed PEA interface:
Lukas Stadler <lukas.stadler@jku.at>
parents: 7049
diff changeset
135
94f032472c28 changed PEA interface:
Lukas Stadler <lukas.stadler@jku.at>
parents: 7049
diff changeset
136 @Override
94f032472c28 changed PEA interface:
Lukas Stadler <lukas.stadler@jku.at>
parents: 7049
diff changeset
137 public Kind entryKind(int index) {
94f032472c28 changed PEA interface:
Lukas Stadler <lukas.stadler@jku.at>
parents: 7049
diff changeset
138 assert index >= 0 && index < length;
94f032472c28 changed PEA interface:
Lukas Stadler <lukas.stadler@jku.at>
parents: 7049
diff changeset
139 return componentType.getKind();
94f032472c28 changed PEA interface:
Lukas Stadler <lukas.stadler@jku.at>
parents: 7049
diff changeset
140 }
7765
f20c2b1f5289 fix for Object.clone virtualization
Lukas Stadler <lukas.stadler@jku.at>
parents: 7728
diff changeset
141
f20c2b1f5289 fix for Object.clone virtualization
Lukas Stadler <lukas.stadler@jku.at>
parents: 7728
diff changeset
142 @Override
f20c2b1f5289 fix for Object.clone virtualization
Lukas Stadler <lukas.stadler@jku.at>
parents: 7728
diff changeset
143 public VirtualArrayNode duplicate() {
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
144 return VirtualArrayNode.create(componentType, length);
7765
f20c2b1f5289 fix for Object.clone virtualization
Lukas Stadler <lukas.stadler@jku.at>
parents: 7728
diff changeset
145 }
8914
7828409c364c pull materialization logic into VirtualObjectNode classes
Lukas Stadler <lukas.stadler@jku.at>
parents: 7765
diff changeset
146
7828409c364c pull materialization logic into VirtualObjectNode classes
Lukas Stadler <lukas.stadler@jku.at>
parents: 7765
diff changeset
147 @Override
13554
83fd2094ff66 rework of monitorenter/exit (use MonitorIdNode)
Lukas Stadler <lukas.stadler@jku.at>
parents: 12617
diff changeset
148 public ValueNode getMaterializedRepresentation(FixedNode fixed, ValueNode[] entries, LockState locks) {
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
149 return AllocatedObjectNode.create(this);
8914
7828409c364c pull materialization logic into VirtualObjectNode classes
Lukas Stadler <lukas.stadler@jku.at>
parents: 7765
diff changeset
150 }
14019
9d864856336a support canonicalization of arraylength in ReadNode
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13554
diff changeset
151
9d864856336a support canonicalization of arraylength in ReadNode
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13554
diff changeset
152 public ValueNode length() {
16238
db5b41891078 let ArrayLengthNode implement Canonicalizable.Binary
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14950
diff changeset
153 return ConstantNode.forInt(length);
14019
9d864856336a support canonicalization of arraylength in ReadNode
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13554
diff changeset
154 }
6399
6ad5bf2efb5e cleanups, merge EscapeRecord and VirtualObjectNode
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
155 }