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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/HotSpotSnippetUtils.java @ 8451:2ffd472c5d25

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Backed out changeset: 10293cbfc2b6
author Doug Simon <doug.simon@oracle.com>
date Fri, 22 Mar 2013 19:08:07 +0100
parents 10293cbfc2b6
children f71fec3fadae c36e8ded27d4
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1 /*
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2 * Copyright (c) 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
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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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
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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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
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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.hotspot.replacements;
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24
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25 import static com.oracle.graal.replacements.nodes.BranchProbabilityNode.*;
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26 import sun.misc.*;
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27
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28 import com.oracle.graal.api.code.*;
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29 import com.oracle.graal.api.meta.*;
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30 import com.oracle.graal.graph.Node.ConstantNodeParameter;
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31 import com.oracle.graal.graph.Node.NodeIntrinsic;
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32 import com.oracle.graal.hotspot.*;
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33 import com.oracle.graal.hotspot.meta.*;
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34 import com.oracle.graal.hotspot.nodes.*;
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35 import com.oracle.graal.nodes.extended.*;
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36 import com.oracle.graal.replacements.Snippet.*;
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37 import com.oracle.graal.replacements.nodes.*;
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38 import com.oracle.graal.word.*;
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39
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40 //JaCoCo Exclude
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41
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42 /**
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43 * A collection of methods used in HotSpot snippets and substitutions.
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44 */
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45 public class HotSpotSnippetUtils {
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46
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47 public static final Object ANY_LOCATION = LocationNode.ANY_LOCATION;
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48 public static final Object UNKNOWN_LOCATION = LocationNode.UNKNOWN_LOCATION;
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49 public static final Object FINAL_LOCATION = LocationNode.FINAL_LOCATION;
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50
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51 public static HotSpotVMConfig config() {
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52 return HotSpotGraalRuntime.getInstance().getConfig();
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53 }
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54
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55 @Fold
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56 public static boolean verifyOops() {
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57 return config().verifyOops;
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58 }
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59
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60 public static final Object TLAB_TOP_LOCATION = LocationNode.createLocation("TlabTop");
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61
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62 @Fold
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63 public static int threadTlabTopOffset() {
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64 return config().threadTlabTopOffset;
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65 }
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66
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67 public static final Object TLAB_END_LOCATION = LocationNode.createLocation("TlabEnd");
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68
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69 @Fold
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70 private static int threadTlabEndOffset() {
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71 return config().threadTlabEndOffset;
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72 }
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73
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74 public static final Object TLAB_START_LOCATION = LocationNode.createLocation("TlabStart");
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75
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76 @Fold
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77 private static int threadTlabStartOffset() {
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78 return config().threadTlabStartOffset;
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79 }
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80
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81 public static Word readTlabTop(Word thread) {
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82 return thread.readWord(threadTlabTopOffset(), TLAB_TOP_LOCATION);
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83 }
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84
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85 public static Word readTlabEnd(Word thread) {
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86 return thread.readWord(threadTlabEndOffset(), TLAB_END_LOCATION);
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87 }
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88
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89 public static Word readTlabStart(Word thread) {
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90 return thread.readWord(threadTlabStartOffset(), TLAB_START_LOCATION);
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91 }
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92
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93 public static void writeTlabTop(Word thread, Word top) {
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94 thread.writeWord(threadTlabTopOffset(), top, TLAB_TOP_LOCATION);
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95 }
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96
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97 public static void initializeTlab(Word thread, Word start, Word end) {
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98 thread.writeWord(threadTlabStartOffset(), start, TLAB_START_LOCATION);
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99 thread.writeWord(threadTlabTopOffset(), start, TLAB_TOP_LOCATION);
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100 thread.writeWord(threadTlabEndOffset(), end, TLAB_END_LOCATION);
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101 }
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102
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103 @Fold
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104 public static int threadObjectOffset() {
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105 return config().threadObjectOffset;
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106 }
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107
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108 @Fold
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109 public static int osThreadOffset() {
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110 return config().osThreadOffset;
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111 }
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112
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113 @Fold
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114 public static int osThreadInterruptedOffset() {
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115 return config().osThreadInterruptedOffset;
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116 }
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117
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118 @Fold
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119 public static Kind wordKind() {
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120 return HotSpotGraalRuntime.getInstance().getTarget().wordKind;
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121 }
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122
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123 @Fold
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124 public static Register threadRegister() {
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125 return HotSpotGraalRuntime.getInstance().getRuntime().threadRegister();
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126 }
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127
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128 @Fold
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129 public static Register stackPointerRegister() {
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130 return HotSpotGraalRuntime.getInstance().getRuntime().stackPointerRegister();
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131 }
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132
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133 @Fold
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134 public static int wordSize() {
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135 return HotSpotGraalRuntime.getInstance().getTarget().wordSize;
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136 }
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137
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138 @Fold
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139 public static int pageSize() {
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140 return Unsafe.getUnsafe().pageSize();
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141 }
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142
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143 public static final Object PROTOTYPE_MARK_WORD_LOCATION = LocationNode.createLocation("PrototypeMarkWord");
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144
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145 @Fold
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146 public static int prototypeMarkWordOffset() {
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147 return config().prototypeMarkWordOffset;
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148 }
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149
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150 @Fold
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151 public static long arrayPrototypeMarkWord() {
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152 return config().arrayPrototypeMarkWord;
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153 }
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154
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155 @Fold
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156 public static int klassAccessFlagsOffset() {
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157 return config().klassAccessFlagsOffset;
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158 }
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159
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160 @Fold
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161 private static int klassLayoutHelperOffset() {
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162 return config().klassLayoutHelperOffset;
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163 }
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164
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165 public static int readLayoutHelper(Word hub) {
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166 return hub.readInt(klassLayoutHelperOffset(), FINAL_LOCATION);
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167 }
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168
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169 @Fold
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170 public static int arrayKlassLayoutHelperIdentifier() {
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171 return config().arrayKlassLayoutHelperIdentifier;
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172 }
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173
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174 @Fold
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175 public static int arrayKlassComponentMirrorOffset() {
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176 return config().arrayKlassComponentMirrorOffset;
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177 }
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178
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179 @Fold
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180 public static int klassSuperKlassOffset() {
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181 return config().klassSuperKlassOffset;
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182 }
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183
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184 public static final Object MARK_WORD_LOCATION = LocationNode.createLocation("MarkWord");
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185
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186 @Fold
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187 public static int markOffset() {
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188 return config().markOffset;
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189 }
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190
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191 public static final Object HUB_LOCATION = LocationNode.createLocation("Hub");
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192
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193 @Fold
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194 private static int hubOffset() {
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195 return config().hubOffset;
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196 }
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197
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198 public static void initializeObjectHeader(Word memory, Word markWord, Word hub) {
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199 memory.writeWord(markOffset(), markWord, MARK_WORD_LOCATION);
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200 memory.writeWord(hubOffset(), hub, HUB_LOCATION);
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201 }
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202
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203 @Fold
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204 public static int unlockedMask() {
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205 return config().unlockedMask;
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206 }
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207
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208 /**
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209 * Mask for a biasable, locked or unlocked mark word.
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210 *
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211 * <pre>
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212 * +----------------------------------+-+-+
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213 * | 1|1|1|
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214 * +----------------------------------+-+-+
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215 * </pre>
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216 *
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217 */
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218 @Fold
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219 public static int biasedLockMaskInPlace() {
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220 return config().biasedLockMaskInPlace;
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221 }
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222
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223 @Fold
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224 public static int epochMaskInPlace() {
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225 return config().epochMaskInPlace;
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226 }
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227
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228 /**
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229 * Pattern for a biasable, unlocked mark word.
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230 *
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231 * <pre>
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232 * +----------------------------------+-+-+
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233 * | 1|0|1|
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234 * +----------------------------------+-+-+
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235 * </pre>
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236 *
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diff changeset
237 */
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238 @Fold
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239 public static int biasedLockPattern() {
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240 return config().biasedLockPattern;
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241 }
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242
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243 @Fold
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244 public static int ageMaskInPlace() {
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245 return config().ageMaskInPlace;
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246 }
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247
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248 @Fold
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249 public static int metaspaceArrayLengthOffset() {
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250 return config().metaspaceArrayLengthOffset;
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251 }
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252
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253 @Fold
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254 public static int metaspaceArrayBaseOffset() {
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255 return config().metaspaceArrayBaseOffset;
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256 }
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257
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258 @Fold
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259 public static int arrayLengthOffset() {
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260 return config().arrayLengthOffset;
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261 }
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262
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diff changeset
263 @Fold
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diff changeset
264 public static int arrayBaseOffset(Kind elementKind) {
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diff changeset
265 return HotSpotRuntime.getArrayBaseOffset(elementKind);
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266 }
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267
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parents:
diff changeset
268 @Fold
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269 public static int arrayIndexScale(Kind elementKind) {
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270 return HotSpotRuntime.getArrayIndexScale(elementKind);
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271 }
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272
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273 @Fold
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274 public static int cardTableShift() {
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275 return config().cardtableShift;
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276 }
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277
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278 @Fold
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279 public static long cardTableStart() {
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280 return config().cardtableStartAddress;
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281 }
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282
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283 @Fold
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284 public static int superCheckOffsetOffset() {
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285 return config().superCheckOffsetOffset;
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286 }
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287
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288 public static final Object SECONDARY_SUPER_CACHE_LOCATION = LocationNode.createLocation("SecondarySuperCache");
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289
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290 @Fold
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291 public static int secondarySuperCacheOffset() {
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292 return config().secondarySuperCacheOffset;
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293 }
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294
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295 public static final Object SECONDARY_SUPERS_LOCATION = LocationNode.createLocation("SecondarySupers");
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296
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297 @Fold
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298 public static int secondarySupersOffset() {
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299 return config().secondarySupersOffset;
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300 }
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301
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302 public static final Object DISPLACED_MARK_WORD_LOCATION = LocationNode.createLocation("DisplacedMarkWord");
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303
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304 @Fold
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305 public static int lockDisplacedMarkOffset() {
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306 return config().basicLockDisplacedHeaderOffset;
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307 }
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308
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309 @Fold
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diff changeset
310 public static boolean useBiasedLocking() {
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311 return config().useBiasedLocking;
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312 }
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313
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314 @Fold
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diff changeset
315 static int uninitializedIdentityHashCodeValue() {
7227
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diff changeset
316 return config().uninitializedIdentityHashCodeValue;
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317 }
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318
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319 @Fold
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diff changeset
320 static int identityHashCodeShift() {
7227
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321 return config().identityHashCodeShift;
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322 }
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323
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324 /**
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325 * Loads the hub from a object, null checking it first.
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326 */
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327 public static Word loadHub(Object object) {
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328 return loadHubIntrinsic(object, wordKind());
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329 }
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330
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331 public static Object verifyOop(Object object) {
6362
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332 if (verifyOops()) {
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333 VerifyOopStubCall.call(object);
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334 }
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335 return object;
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336 }
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337
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diff changeset
338 /**
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339 * Gets the value of the stack pointer register as a Word.
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diff changeset
340 */
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diff changeset
341 public static Word stackPointer() {
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342 return HotSpotSnippetUtils.registerAsWord(stackPointerRegister(), true, false);
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343 }
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344
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diff changeset
345 /**
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diff changeset
346 * Gets the value of the thread register as a Word.
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diff changeset
347 */
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diff changeset
348 public static Word thread() {
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349 return HotSpotSnippetUtils.registerAsWord(threadRegister(), true, false);
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350 }
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351
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diff changeset
352 public static Word loadWordFromObject(Object object, int offset) {
6419
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diff changeset
353 return loadWordFromObjectIntrinsic(object, 0, offset, wordKind());
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354 }
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diff changeset
355
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diff changeset
356 @NodeIntrinsic(value = ReadRegisterNode.class, setStampFromReturnType = true)
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diff changeset
357 public static native Word registerAsWord(@ConstantNodeParameter Register register, @ConstantNodeParameter boolean directUse, @ConstantNodeParameter boolean incoming);
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diff changeset
358
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diff changeset
359 @NodeIntrinsic(value = UnsafeLoadNode.class, setStampFromReturnType = true)
8451
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diff changeset
360 private static native Word loadWordFromObjectIntrinsic(Object object, @ConstantNodeParameter int displacement, long offset, @ConstantNodeParameter Kind wordKind);
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diff changeset
361
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diff changeset
362 @NodeIntrinsic(value = LoadHubNode.class, setStampFromReturnType = true)
8451
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diff changeset
363 static native Word loadHubIntrinsic(Object object, @ConstantNodeParameter Kind word);
7160
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diff changeset
364
7147
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diff changeset
365 @Fold
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diff changeset
366 public static int log2WordSize() {
7147
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diff changeset
367 return CodeUtil.log2(wordSize());
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diff changeset
368 }
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diff changeset
369
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diff changeset
370 public static final Object CLASS_STATE_LOCATION = LocationNode.createLocation("ClassState");
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diff changeset
371
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diff changeset
372 @Fold
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373 public static int klassStateOffset() {
7147
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374 return config().klassStateOffset;
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diff changeset
375 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
376
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diff changeset
377 @Fold
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diff changeset
378 public static int klassStateFullyInitialized() {
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diff changeset
379 return config().klassStateFullyInitialized;
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diff changeset
380 }
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diff changeset
381
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diff changeset
382 @Fold
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diff changeset
383 public static int klassModifierFlagsOffset() {
7158
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diff changeset
384 return config().klassModifierFlagsOffset;
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diff changeset
385 }
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
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diff changeset
386
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
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diff changeset
387 @Fold
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diff changeset
388 public static int klassOffset() {
7158
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diff changeset
389 return config().klassOffset;
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diff changeset
390 }
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diff changeset
391
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diff changeset
392 @Fold
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diff changeset
393 public static int classMirrorOffset() {
7160
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diff changeset
394 return config().classMirrorOffset;
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diff changeset
395 }
d526fa5640c8 replaced manual intrinsification of Object.getClass() with a snippet
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diff changeset
396
d526fa5640c8 replaced manual intrinsification of Object.getClass() with a snippet
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diff changeset
397 @Fold
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diff changeset
398 public static int klassInstanceSizeOffset() {
7147
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diff changeset
399 return config().klassInstanceSizeOffset;
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diff changeset
400 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
401
7868
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diff changeset
402 public static final Object HEAP_TOP_LOCATION = LocationNode.createLocation("HeapTop");
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parents: 7841
diff changeset
403
7147
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diff changeset
404 @Fold
7530
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diff changeset
405 public static long heapTopAddress() {
7147
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Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
406 return config().heapTopAddress;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
407 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
408
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
409 public static final Object HEAP_END_LOCATION = LocationNode.createLocation("HeapEnd");
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
410
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
411 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
412 public static long heapEndAddress() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
413 return config().heapEndAddress;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
414 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
415
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
416 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
417 public static long tlabIntArrayMarkWord() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
418 return config().tlabIntArrayMarkWord;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
419 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
420
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
421 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
422 public static boolean inlineContiguousAllocationSupported() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
423 return config().inlineContiguousAllocationSupported;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
424 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
425
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
426 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
427 public static int tlabAlignmentReserveInHeapWords() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
428 return config().tlabAlignmentReserve;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
429 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
430
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
431 public static final Object TLAB_SIZE_LOCATION = LocationNode.createLocation("TlabSize");
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
432
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
433 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
434 public static int threadTlabSizeOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
435 return config().threadTlabSizeOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
436 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
437
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
438 public static final Object TLAB_THREAD_ALLOCATED_BYTES_LOCATION = LocationNode.createLocation("TlabThreadAllocatedBytes");
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
439
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
440 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
441 public static int threadAllocatedBytesOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
442 return config().threadAllocatedBytesOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
443 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
444
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
445 public static final Object TLAB_REFILL_WASTE_LIMIT_LOCATION = LocationNode.createLocation("RefillWasteLimit");
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
446
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
447 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
448 public static int tlabRefillWasteLimitOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
449 return config().tlabRefillWasteLimitOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
450 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
451
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
452 public static final Object TLAB_NOF_REFILLS_LOCATION = LocationNode.createLocation("TlabNOfRefills");
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
453
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
454 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
455 public static int tlabNumberOfRefillsOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
456 return config().tlabNumberOfRefillsOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
457 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
458
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
459 public static final Object TLAB_FAST_REFILL_WASTE_LOCATION = LocationNode.createLocation("TlabFastRefillWaste");
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
460
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
461 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
462 public static int tlabFastRefillWasteOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
463 return config().tlabFastRefillWasteOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
464 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
465
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
466 public static final Object TLAB_SLOW_ALLOCATIONS_LOCATION = LocationNode.createLocation("TlabSlowAllocations");
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
467
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
468 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
469 public static int tlabSlowAllocationsOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
470 return config().tlabSlowAllocationsOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
471 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
472
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
473 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
474 public static int tlabRefillWasteIncrement() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
475 return config().tlabRefillWasteIncrement;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
476 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
477
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
478 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
479 public static boolean tlabStats() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
480 return config().tlabStats;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
481 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
482
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
483 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
484 public static int layoutHelperOffset() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
485 return config().layoutHelperOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
486 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
487
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
488 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
489 public static int layoutHelperHeaderSizeShift() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
490 return config().layoutHelperHeaderSizeShift;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
491 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
492
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
493 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
494 public static int layoutHelperHeaderSizeMask() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
495 return config().layoutHelperHeaderSizeMask;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
496 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
497
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
498 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
499 public static int layoutHelperLog2ElementSizeShift() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
500 return config().layoutHelperLog2ElementSizeShift;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
501 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
502
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
503 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
504 public static int layoutHelperLog2ElementSizeMask() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
505 return config().layoutHelperLog2ElementSizeMask;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
506 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
507
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
508 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
509 public static int layoutHelperElementTypeShift() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
510 return config().layoutHelperElementTypeShift;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
511 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
512
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
513 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
514 public static int layoutHelperElementTypeMask() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
515 return config().layoutHelperElementTypeMask;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
516 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
517
7760
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
518 @Fold
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
519 public static int layoutHelperElementTypePrimitiveInPlace() {
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
520 return config().layoutHelperElementTypePrimitiveInPlace;
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
521 }
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
522
6362
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
523 static {
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
524 assert arrayIndexScale(Kind.Byte) == 1;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
525 assert arrayIndexScale(Kind.Boolean) == 1;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
526 assert arrayIndexScale(Kind.Char) == 2;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
527 assert arrayIndexScale(Kind.Short) == 2;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
528 assert arrayIndexScale(Kind.Int) == 4;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
529 assert arrayIndexScale(Kind.Long) == 8;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
530 assert arrayIndexScale(Kind.Float) == 4;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
531 assert arrayIndexScale(Kind.Double) == 8;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
532 }
7543
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
533
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
534 static int computeHashCode(Object x) {
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
535 Word mark = loadWordFromObject(x, markOffset());
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
536
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
537 // this code is independent from biased locking (although it does not look that way)
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
538 final Word biasedLock = mark.and(biasedLockMaskInPlace());
7701
47467b2c3fc5 Use equal() and notEqual() instead of == and != to compare words
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7556
diff changeset
539 if (biasedLock.equal(Word.unsigned(unlockedMask()))) {
7554
9472211c812b named constants for snippet probabilities (likely, frequent, fast_path, deopt), see CR-7
Lukas Stadler <lukas.stadler@jku.at>
parents: 7543
diff changeset
540 probability(FAST_PATH_PROBABILITY);
7543
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
541 int hash = (int) mark.unsignedShiftRight(identityHashCodeShift()).rawValue();
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
542 if (hash != uninitializedIdentityHashCodeValue()) {
7554
9472211c812b named constants for snippet probabilities (likely, frequent, fast_path, deopt), see CR-7
Lukas Stadler <lukas.stadler@jku.at>
parents: 7543
diff changeset
543 probability(FAST_PATH_PROBABILITY);
7543
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
544 return hash;
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
545 }
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
546 }
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
547
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
548 return IdentityHashCodeStubCall.call(x);
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
549 }
6362
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
550 }