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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/HotSpotSnippetUtils.java @ 8634:b6491ee579d3

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remove UNKNOWN_LOCATION
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 04 Apr 2013 15:31:27 +0200
parents bbd8167f21f9
children 3d2c2b68fe93
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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.hotspot.HotSpotGraalRuntime.*;
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26 import static com.oracle.graal.replacements.nodes.BranchProbabilityNode.*;
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27 import sun.misc.*;
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28
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.meta.*;
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31 import com.oracle.graal.graph.Node.ConstantNodeParameter;
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32 import com.oracle.graal.graph.Node.NodeIntrinsic;
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33 import com.oracle.graal.hotspot.*;
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34 import com.oracle.graal.hotspot.meta.*;
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35 import com.oracle.graal.hotspot.nodes.*;
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36 import com.oracle.graal.nodes.extended.*;
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37 import com.oracle.graal.replacements.Snippet.Fold;
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38 import com.oracle.graal.replacements.nodes.*;
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39 import com.oracle.graal.word.*;
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40
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41 //JaCoCo Exclude
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42
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43 /**
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44 * A collection of methods used in HotSpot snippets and substitutions.
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45 */
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46 public class HotSpotSnippetUtils {
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47
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48 public static final Object ANY_LOCATION = LocationNode.ANY_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 useTLAB() {
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57 return config().useTLAB;
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58 }
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59
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60 @Fold
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61 public static boolean verifyOops() {
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62 return config().verifyOops;
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63 }
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64
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65 public static final Object TLAB_TOP_LOCATION = LocationNode.createLocation("TlabTop");
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66
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67 @Fold
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68 public static int threadTlabTopOffset() {
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69 return config().threadTlabTopOffset;
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70 }
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71
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72 public static final Object TLAB_END_LOCATION = LocationNode.createLocation("TlabEnd");
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73
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74 @Fold
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75 private static int threadTlabEndOffset() {
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76 return config().threadTlabEndOffset;
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77 }
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78
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79 public static final Object TLAB_START_LOCATION = LocationNode.createLocation("TlabStart");
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80
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81 @Fold
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82 private static int threadTlabStartOffset() {
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83 return config().threadTlabStartOffset;
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84 }
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85
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86 public static Word readTlabTop(Word thread) {
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87 return thread.readWord(threadTlabTopOffset(), TLAB_TOP_LOCATION);
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88 }
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89
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90 public static Word readTlabEnd(Word thread) {
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91 return thread.readWord(threadTlabEndOffset(), TLAB_END_LOCATION);
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92 }
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93
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94 public static Word readTlabStart(Word thread) {
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95 return thread.readWord(threadTlabStartOffset(), TLAB_START_LOCATION);
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96 }
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97
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98 public static void writeTlabTop(Word thread, Word top) {
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99 thread.writeWord(threadTlabTopOffset(), top, TLAB_TOP_LOCATION);
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100 }
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101
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102 public static void initializeTlab(Word thread, Word start, Word end) {
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103 thread.writeWord(threadTlabStartOffset(), start, TLAB_START_LOCATION);
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104 thread.writeWord(threadTlabTopOffset(), start, TLAB_TOP_LOCATION);
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105 thread.writeWord(threadTlabEndOffset(), end, TLAB_END_LOCATION);
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106 }
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107
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108 @Fold
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109 public static int threadObjectOffset() {
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110 return config().threadObjectOffset;
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111 }
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112
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113 @Fold
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114 public static int osThreadOffset() {
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115 return config().osThreadOffset;
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116 }
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117
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118 @Fold
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119 public static int osThreadInterruptedOffset() {
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120 return config().osThreadInterruptedOffset;
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121 }
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122
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123 @Fold
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124 public static Kind wordKind() {
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125 return HotSpotGraalRuntime.getInstance().getTarget().wordKind;
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126 }
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127
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128 @Fold
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129 public static Register threadRegister() {
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130 return HotSpotGraalRuntime.getInstance().getRuntime().threadRegister();
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131 }
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132
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133 @Fold
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134 public static Register stackPointerRegister() {
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135 return HotSpotGraalRuntime.getInstance().getRuntime().stackPointerRegister();
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136 }
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137
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138 @Fold
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139 public static int wordSize() {
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140 return HotSpotGraalRuntime.getInstance().getTarget().wordSize;
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141 }
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142
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143 @Fold
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144 public static int pageSize() {
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145 return Unsafe.getUnsafe().pageSize();
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146 }
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147
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148 public static final Object PROTOTYPE_MARK_WORD_LOCATION = LocationNode.createLocation("PrototypeMarkWord");
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149
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150 @Fold
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151 public static int prototypeMarkWordOffset() {
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152 return config().prototypeMarkWordOffset;
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153 }
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154
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155 @Fold
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156 public static long arrayPrototypeMarkWord() {
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157 return config().arrayPrototypeMarkWord;
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158 }
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159
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160 @Fold
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161 public static int klassAccessFlagsOffset() {
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162 return config().klassAccessFlagsOffset;
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163 }
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164
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165 @Fold
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166 private static int klassLayoutHelperOffset() {
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167 return config().klassLayoutHelperOffset;
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168 }
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169
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170 public static int readLayoutHelper(Word hub) {
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171 return hub.readInt(klassLayoutHelperOffset(), FINAL_LOCATION);
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172 }
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173
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174 @Fold
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175 public static int arrayKlassLayoutHelperIdentifier() {
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176 return config().arrayKlassLayoutHelperIdentifier;
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177 }
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178
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179 @Fold
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180 public static int arrayKlassComponentMirrorOffset() {
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181 return config().arrayKlassComponentMirrorOffset;
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182 }
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183
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184 @Fold
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185 public static int klassSuperKlassOffset() {
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186 return config().klassSuperKlassOffset;
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187 }
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188
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189 public static final Object MARK_WORD_LOCATION = LocationNode.createLocation("MarkWord");
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190
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191 @Fold
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192 public static int markOffset() {
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193 return config().markOffset;
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194 }
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195
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196 public static final Object HUB_LOCATION = LocationNode.createLocation("Hub");
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197
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198 @Fold
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199 private static int hubOffset() {
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200 return config().hubOffset;
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201 }
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202
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203 public static void initializeObjectHeader(Word memory, Word markWord, Word hub) {
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204 memory.writeWord(markOffset(), markWord, MARK_WORD_LOCATION);
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205 memory.writeWord(hubOffset(), hub, HUB_LOCATION);
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206 }
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207
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208 @Fold
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209 public static int unlockedMask() {
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210 return config().unlockedMask;
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211 }
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212
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213 /**
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214 * Mask for a biasable, locked or unlocked mark word.
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215 *
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216 * <pre>
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217 * +----------------------------------+-+-+
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218 * | 1|1|1|
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219 * +----------------------------------+-+-+
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220 * </pre>
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221 *
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222 */
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223 @Fold
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224 public static int biasedLockMaskInPlace() {
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225 return config().biasedLockMaskInPlace;
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226 }
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227
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228 @Fold
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229 public static int epochMaskInPlace() {
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230 return config().epochMaskInPlace;
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231 }
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232
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233 /**
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234 * Pattern for a biasable, unlocked mark word.
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235 *
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236 * <pre>
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237 * +----------------------------------+-+-+
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238 * | 1|0|1|
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239 * +----------------------------------+-+-+
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240 * </pre>
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241 *
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242 */
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243 @Fold
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244 public static int biasedLockPattern() {
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245 return config().biasedLockPattern;
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246 }
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247
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248 @Fold
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249 public static int ageMaskInPlace() {
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250 return config().ageMaskInPlace;
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251 }
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252
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253 @Fold
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254 public static int metaspaceArrayLengthOffset() {
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255 return config().metaspaceArrayLengthOffset;
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256 }
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257
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258 @Fold
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259 public static int metaspaceArrayBaseOffset() {
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260 return config().metaspaceArrayBaseOffset;
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261 }
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262
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263 @Fold
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264 public static int arrayLengthOffset() {
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265 return config().arrayLengthOffset;
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266 }
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267
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268 @Fold
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269 public static int arrayBaseOffset(Kind elementKind) {
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270 return HotSpotRuntime.getArrayBaseOffset(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 arrayIndexScale(Kind elementKind) {
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275 return HotSpotRuntime.getArrayIndexScale(elementKind);
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276 }
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277
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278 @Fold
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279 public static int cardTableShift() {
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280 return config().cardtableShift;
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281 }
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282
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283 @Fold
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284 public static long cardTableStart() {
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285 return config().cardtableStartAddress;
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286 }
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287
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288 @Fold
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289 public static int g1CardQueueIndexOffset() {
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290 return config().g1CardQueueIndexOffset;
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291 }
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292
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293 @Fold
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294 public static int g1CardQueueBufferOffset() {
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295 return config().g1CardQueueBufferOffset;
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296 }
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297
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298 @Fold
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299 public static int logOfHRGrainBytes() {
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diff changeset
300 return config().logOfHRGrainBytes;
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diff changeset
301 }
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302
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303 @Fold
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304 public static int g1SATBQueueMarkingOffset() {
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305 return config().g1SATBQueueMarkingOffset;
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306 }
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307
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diff changeset
308 @Fold
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diff changeset
309 public static int g1SATBQueueIndexOffset() {
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310 return config().g1SATBQueueIndexOffset;
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311 }
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312
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diff changeset
313 @Fold
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diff changeset
314 public static int g1SATBQueueBufferOffset() {
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315 return config().g1SATBQueueBufferOffset;
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diff changeset
316 }
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317
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318 @Fold
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319 public static int superCheckOffsetOffset() {
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320 return config().superCheckOffsetOffset;
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321 }
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322
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diff changeset
323 public static final Object SECONDARY_SUPER_CACHE_LOCATION = LocationNode.createLocation("SecondarySuperCache");
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diff changeset
324
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325 @Fold
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diff changeset
326 public static int secondarySuperCacheOffset() {
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diff changeset
327 return config().secondarySuperCacheOffset;
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328 }
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
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329
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diff changeset
330 public static final Object SECONDARY_SUPERS_LOCATION = LocationNode.createLocation("SecondarySupers");
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diff changeset
331
6362
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diff changeset
332 @Fold
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diff changeset
333 public static int secondarySupersOffset() {
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diff changeset
334 return config().secondarySupersOffset;
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335 }
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
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parents:
diff changeset
336
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diff changeset
337 public static final Object DISPLACED_MARK_WORD_LOCATION = LocationNode.createLocation("DisplacedMarkWord");
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parents: 7841
diff changeset
338
6386
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diff changeset
339 @Fold
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diff changeset
340 public static int lockDisplacedMarkOffset() {
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diff changeset
341 return config().basicLockDisplacedHeaderOffset;
6386
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diff changeset
342 }
abeeb57b655d added MonitorSnippets which passes MonitorTest but is not yet enabled for general lowering
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diff changeset
343
abeeb57b655d added MonitorSnippets which passes MonitorTest but is not yet enabled for general lowering
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diff changeset
344 @Fold
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diff changeset
345 public static boolean useBiasedLocking() {
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diff changeset
346 return config().useBiasedLocking;
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diff changeset
347 }
abeeb57b655d added MonitorSnippets which passes MonitorTest but is not yet enabled for general lowering
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diff changeset
348
7222
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parents: 7221
diff changeset
349 @Fold
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parents: 8492
diff changeset
350 public static boolean useG1GC() {
41fc46da946a -More fixes and passrate(fop)
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parents: 8492
diff changeset
351 return config().useG1GC;
41fc46da946a -More fixes and passrate(fop)
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parents: 8492
diff changeset
352 }
41fc46da946a -More fixes and passrate(fop)
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diff changeset
353
41fc46da946a -More fixes and passrate(fop)
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parents: 8492
diff changeset
354 @Fold
7222
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 7221
diff changeset
355 static int uninitializedIdentityHashCodeValue() {
7227
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 7226
diff changeset
356 return config().uninitializedIdentityHashCodeValue;
7222
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 7221
diff changeset
357 }
720925633b3a fixes after merge
Christian Haeubl <haeubl@ssw.jku.at>
parents: 7221
diff changeset
358
720925633b3a fixes after merge
Christian Haeubl <haeubl@ssw.jku.at>
parents: 7221
diff changeset
359 @Fold
720925633b3a fixes after merge
Christian Haeubl <haeubl@ssw.jku.at>
parents: 7221
diff changeset
360 static int identityHashCodeShift() {
7227
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 7226
diff changeset
361 return config().identityHashCodeShift;
7222
720925633b3a fixes after merge
Christian Haeubl <haeubl@ssw.jku.at>
parents: 7221
diff changeset
362 }
720925633b3a fixes after merge
Christian Haeubl <haeubl@ssw.jku.at>
parents: 7221
diff changeset
363
6362
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Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
364 /**
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
365 * Loads the hub from a object, null checking it first.
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
366 */
7143
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parents: 7099
diff changeset
367 public static Word loadHub(Object object) {
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
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parents: 6521
diff changeset
368 return loadHubIntrinsic(object, wordKind());
6362
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
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parents:
diff changeset
369 }
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
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parents:
diff changeset
370
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diff changeset
371 public static Object verifyOop(Object object) {
6362
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
372 if (verifyOops()) {
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
373 VerifyOopStubCall.call(object);
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
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parents:
diff changeset
374 }
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
375 return object;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
376 }
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
377
6419
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Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
378 /**
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
379 * Gets the value of the stack pointer register as a Word.
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
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parents: 6389
diff changeset
380 */
7143
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diff changeset
381 public static Word stackPointer() {
8354
55ef03d64f03 Generalize read and write of fixed register for snippets. Move to HotSpot-independent project.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7902
diff changeset
382 return HotSpotSnippetUtils.registerAsWord(stackPointerRegister(), true, false);
6419
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Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
383 }
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
384
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
385 /**
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
386 * Gets the value of the thread register as a Word.
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
387 */
7143
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diff changeset
388 public static Word thread() {
8354
55ef03d64f03 Generalize read and write of fixed register for snippets. Move to HotSpot-independent project.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7902
diff changeset
389 return HotSpotSnippetUtils.registerAsWord(threadRegister(), true, false);
6419
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Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
390 }
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
391
7143
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Doug Simon <doug.simon@oracle.com>
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diff changeset
392 public static Word loadWordFromObject(Object object, int offset) {
6419
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
393 return loadWordFromObjectIntrinsic(object, 0, offset, wordKind());
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
394 }
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
395
8354
55ef03d64f03 Generalize read and write of fixed register for snippets. Move to HotSpot-independent project.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7902
diff changeset
396 @NodeIntrinsic(value = ReadRegisterNode.class, setStampFromReturnType = true)
55ef03d64f03 Generalize read and write of fixed register for snippets. Move to HotSpot-independent project.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7902
diff changeset
397 public static native Word registerAsWord(@ConstantNodeParameter Register register, @ConstantNodeParameter boolean directUse, @ConstantNodeParameter boolean incoming);
6419
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Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
398
8472
f71fec3fadae made method substitutions for Thread be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8451
diff changeset
399 @SuppressWarnings("unused")
6419
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
400 @NodeIntrinsic(value = UnsafeLoadNode.class, setStampFromReturnType = true)
8472
f71fec3fadae made method substitutions for Thread be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8451
diff changeset
401 private static Word loadWordFromObjectIntrinsic(Object object, @ConstantNodeParameter int displacement, long offset, @ConstantNodeParameter Kind wordKind) {
f71fec3fadae made method substitutions for Thread be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8451
diff changeset
402 return Word.box(unsafeReadWord(object, offset + displacement));
f71fec3fadae made method substitutions for Thread be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8451
diff changeset
403 }
6419
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
parents: 6389
diff changeset
404
8479
a6ba61be2b5f made method substitutions for Object be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8472
diff changeset
405 @SuppressWarnings("unused")
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6521
diff changeset
406 @NodeIntrinsic(value = LoadHubNode.class, setStampFromReturnType = true)
8479
a6ba61be2b5f made method substitutions for Object be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8472
diff changeset
407 static Word loadHubIntrinsic(Object object, @ConstantNodeParameter Kind word) {
a6ba61be2b5f made method substitutions for Object be interpretable
Doug Simon <doug.simon@oracle.com>
parents: 8472
diff changeset
408 return Word.box(unsafeReadWord(object, hubOffset()));
a6ba61be2b5f made method substitutions for Object be interpretable
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parents: 8472
diff changeset
409 }
7160
d526fa5640c8 replaced manual intrinsification of Object.getClass() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7158
diff changeset
410
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
411 @Fold
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diff changeset
412 public static int log2WordSize() {
7147
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diff changeset
413 return CodeUtil.log2(wordSize());
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
414 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
415
7868
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Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
416 public static final Object CLASS_STATE_LOCATION = LocationNode.createLocation("ClassState");
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
417
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
418 @Fold
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diff changeset
419 public static int klassStateOffset() {
7147
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diff changeset
420 return config().klassStateOffset;
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diff changeset
421 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
422
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
423 @Fold
7868
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Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
424 public static int klassStateFullyInitialized() {
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
425 return config().klassStateFullyInitialized;
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
426 }
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
427
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
428 @Fold
7530
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
429 public static int klassModifierFlagsOffset() {
7158
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7147
diff changeset
430 return config().klassModifierFlagsOffset;
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7147
diff changeset
431 }
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7147
diff changeset
432
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
Doug Simon <doug.simon@oracle.com>
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diff changeset
433 @Fold
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diff changeset
434 public static int klassOffset() {
7158
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7147
diff changeset
435 return config().klassOffset;
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7147
diff changeset
436 }
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7147
diff changeset
437
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7147
diff changeset
438 @Fold
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
439 public static int classMirrorOffset() {
7160
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Doug Simon <doug.simon@oracle.com>
parents: 7158
diff changeset
440 return config().classMirrorOffset;
d526fa5640c8 replaced manual intrinsification of Object.getClass() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7158
diff changeset
441 }
d526fa5640c8 replaced manual intrinsification of Object.getClass() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7158
diff changeset
442
d526fa5640c8 replaced manual intrinsification of Object.getClass() with a snippet
Doug Simon <doug.simon@oracle.com>
parents: 7158
diff changeset
443 @Fold
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diff changeset
444 public static int klassInstanceSizeOffset() {
7147
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diff changeset
445 return config().klassInstanceSizeOffset;
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
7868
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Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
448 public static final Object HEAP_TOP_LOCATION = LocationNode.createLocation("HeapTop");
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
449
7147
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diff changeset
450 @Fold
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diff changeset
451 public static long heapTopAddress() {
7147
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diff changeset
452 return config().heapTopAddress;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
453 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
454
7868
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Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
455 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
456
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
457 @Fold
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parents: 7300
diff changeset
458 public static long heapEndAddress() {
7147
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parents: 7143
diff changeset
459 return config().heapEndAddress;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
460 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
461
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
462 @Fold
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
463 public static long tlabIntArrayMarkWord() {
7147
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Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
464 return config().tlabIntArrayMarkWord;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
465 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
466
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
467 @Fold
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
468 public static boolean inlineContiguousAllocationSupported() {
7147
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Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
469 return config().inlineContiguousAllocationSupported;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
470 }
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 @Fold
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diff changeset
473 public static int tlabAlignmentReserveInHeapWords() {
7147
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parents: 7143
diff changeset
474 return config().tlabAlignmentReserve;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
475 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
476
7868
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Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
477 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
478
7147
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Doug Simon <doug.simon@oracle.com>
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diff changeset
479 @Fold
7530
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
480 public static int threadTlabSizeOffset() {
7147
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Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
481 return config().threadTlabSizeOffset;
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
7868
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Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
484 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
485
7147
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Doug Simon <doug.simon@oracle.com>
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diff changeset
486 @Fold
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Doug Simon <doug.simon@oracle.com>
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diff changeset
487 public static int threadAllocatedBytesOffset() {
7147
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Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
488 return config().threadAllocatedBytesOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
489 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
490
7868
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Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
491 public static final Object TLAB_REFILL_WASTE_LIMIT_LOCATION = LocationNode.createLocation("RefillWasteLimit");
7147
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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
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
494 public static int tlabRefillWasteLimitOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
495 return config().tlabRefillWasteLimitOffset;
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
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
498 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
499
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
500 @Fold
7530
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
501 public static int tlabNumberOfRefillsOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
502 return config().tlabNumberOfRefillsOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
503 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
504
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
505 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
506
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
507 @Fold
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
508 public static int tlabFastRefillWasteOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
509 return config().tlabFastRefillWasteOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
510 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
511
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7841
diff changeset
512 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
513
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
514 @Fold
7530
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
515 public static int tlabSlowAllocationsOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
516 return config().tlabSlowAllocationsOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
517 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
518
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
519 @Fold
7530
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
520 public static int tlabRefillWasteIncrement() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
521 return config().tlabRefillWasteIncrement;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
522 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
523
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
524 @Fold
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
525 public static boolean tlabStats() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
526 return config().tlabStats;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
527 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
528
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
529 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
530 public static int layoutHelperOffset() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
531 return config().layoutHelperOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
532 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
533
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
534 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
535 public static int layoutHelperHeaderSizeShift() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
536 return config().layoutHelperHeaderSizeShift;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
537 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
538
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
539 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
540 public static int layoutHelperHeaderSizeMask() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
541 return config().layoutHelperHeaderSizeMask;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
542 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
543
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
544 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
545 public static int layoutHelperLog2ElementSizeShift() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
546 return config().layoutHelperLog2ElementSizeShift;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
547 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
548
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
549 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
550 public static int layoutHelperLog2ElementSizeMask() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
551 return config().layoutHelperLog2ElementSizeMask;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
552 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
553
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
554 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
555 public static int layoutHelperElementTypeShift() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
556 return config().layoutHelperElementTypeShift;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
557 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
558
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
559 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
560 public static int layoutHelperElementTypeMask() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
561 return config().layoutHelperElementTypeMask;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
562 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
563
7760
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
564 @Fold
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
565 public static int layoutHelperElementTypePrimitiveInPlace() {
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
566 return config().layoutHelperElementTypePrimitiveInPlace;
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
567 }
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
568
6362
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
569 static {
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
570 assert arrayIndexScale(Kind.Byte) == 1;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
571 assert arrayIndexScale(Kind.Boolean) == 1;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
572 assert arrayIndexScale(Kind.Char) == 2;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
573 assert arrayIndexScale(Kind.Short) == 2;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
574 assert arrayIndexScale(Kind.Int) == 4;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
575 assert arrayIndexScale(Kind.Long) == 8;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
576 assert arrayIndexScale(Kind.Float) == 4;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
577 assert arrayIndexScale(Kind.Double) == 8;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
578 }
7543
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
579
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
580 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
581 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
582
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
583 // 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
584 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
585 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
586 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
587 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
588 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
589 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
590 return hash;
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
591 }
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
592 }
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
593
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
594 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
595 }
8564
bbd8167f21f9 Added executeHelper to HotSpotInstalled code that gets replaced by a MethodSubstitution
Matthias Grimmer <grimmer@ssw.jku.at>
parents: 8522
diff changeset
596
bbd8167f21f9 Added executeHelper to HotSpotInstalled code that gets replaced by a MethodSubstitution
Matthias Grimmer <grimmer@ssw.jku.at>
parents: 8522
diff changeset
597 @Fold
bbd8167f21f9 Added executeHelper to HotSpotInstalled code that gets replaced by a MethodSubstitution
Matthias Grimmer <grimmer@ssw.jku.at>
parents: 8522
diff changeset
598 public static int verifiedEntryPointOffset() {
bbd8167f21f9 Added executeHelper to HotSpotInstalled code that gets replaced by a MethodSubstitution
Matthias Grimmer <grimmer@ssw.jku.at>
parents: 8522
diff changeset
599 return config().nmethodEntryOffset;
bbd8167f21f9 Added executeHelper to HotSpotInstalled code that gets replaced by a MethodSubstitution
Matthias Grimmer <grimmer@ssw.jku.at>
parents: 8522
diff changeset
600 }
6362
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
601 }