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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/snippets/HotSpotSnippetUtils.java @ 8490:1567c6cc6561

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Towards porting G1 WBs
author Christos Kotselidis <christos.kotselidis@oracle.com>
date Wed, 20 Feb 2013 16:15:43 +0100
parents 0ae87cf94914
children 286a49d423c9
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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.snippets;
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24
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25 import static com.oracle.graal.snippets.nodes.BranchProbabilityNode.*;
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26
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.graph.Node.ConstantNodeParameter;
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30 import com.oracle.graal.graph.Node.NodeIntrinsic;
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31 import com.oracle.graal.hotspot.*;
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32 import com.oracle.graal.hotspot.meta.*;
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33 import com.oracle.graal.hotspot.nodes.*;
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34 import com.oracle.graal.nodes.extended.*;
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35 import com.oracle.graal.snippets.Snippet.Fold;
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36 import com.oracle.graal.word.*;
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37
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38 //JaCoCo Exclude
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39
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40 /**
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41 * A collection of methods used in HotSpot snippets and substitutions.
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42 */
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43 public class HotSpotSnippetUtils {
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44
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45 public static HotSpotVMConfig config() {
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46 return HotSpotGraalRuntime.getInstance().getConfig();
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47 }
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48
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49 @Fold
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50 public static boolean verifyOops() {
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51 return config().verifyOops;
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52 }
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53
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54 @Fold
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55 public static int threadTlabTopOffset() {
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56 return config().threadTlabTopOffset;
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57 }
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58
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59 @Fold
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60 public static int threadTlabEndOffset() {
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61 return config().threadTlabEndOffset;
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62 }
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63
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64 @Fold
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65 public static int threadObjectOffset() {
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66 return config().threadObjectOffset;
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67 }
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68
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69 @Fold
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70 public static int osThreadOffset() {
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71 return config().osThreadOffset;
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72 }
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73
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74 @Fold
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75 public static int osThreadInterruptedOffset() {
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76 return config().osThreadInterruptedOffset;
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77 }
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78
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79 @Fold
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80 public static Kind wordKind() {
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81 return HotSpotGraalRuntime.getInstance().getTarget().wordKind;
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82 }
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83
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84 @Fold
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85 public static Register threadRegister() {
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86 return HotSpotGraalRuntime.getInstance().getRuntime().threadRegister();
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87 }
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88
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89 @Fold
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90 public static Register stackPointerRegister() {
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91 return HotSpotGraalRuntime.getInstance().getRuntime().stackPointerRegister();
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92 }
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93
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94 @Fold
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95 public static int wordSize() {
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96 return HotSpotGraalRuntime.getInstance().getTarget().wordSize;
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97 }
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98
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99 @Fold
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100 public static int pageSize() {
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101 return HotSpotGraalRuntime.getInstance().getTarget().pageSize;
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102 }
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103
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104 @Fold
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105 public static int prototypeMarkWordOffset() {
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106 return config().prototypeMarkWordOffset;
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107 }
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108
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109 @Fold
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110 public static long arrayPrototypeMarkWord() {
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111 return config().arrayPrototypeMarkWord;
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112 }
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113
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114 @Fold
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115 public static int klassAccessFlagsOffset() {
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116 return config().klassAccessFlagsOffset;
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117 }
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118
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119 @Fold
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120 public static int klassLayoutHelperOffset() {
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121 return config().klassLayoutHelperOffset;
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122 }
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123
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124 @Fold
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125 public static int arrayKlassLayoutHelperIdentifier() {
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126 return config().arrayKlassLayoutHelperIdentifier;
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127 }
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128
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129 @Fold
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130 public static int arrayKlassComponentMirrorOffset() {
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131 return config().arrayKlassComponentMirrorOffset;
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132 }
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133
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134 @Fold
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135 public static int klassSuperKlassOffset() {
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136 return config().klassSuperKlassOffset;
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137 }
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138
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139 @Fold
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140 public static int markOffset() {
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141 return config().markOffset;
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142 }
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143
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144 @Fold
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145 public static int unlockedMask() {
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146 return config().unlockedMask;
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147 }
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148
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149 /**
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150 * Mask for a biasable, locked or unlocked mark word.
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151 *
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152 * <pre>
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153 * +----------------------------------+-+-+
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154 * | 1|1|1|
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155 * +----------------------------------+-+-+
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156 * </pre>
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157 *
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158 */
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159 @Fold
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160 public static int biasedLockMaskInPlace() {
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161 return config().biasedLockMaskInPlace;
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162 }
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163
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164 @Fold
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165 public static int epochMaskInPlace() {
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166 return config().epochMaskInPlace;
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167 }
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168
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169 /**
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170 * Pattern for a biasable, unlocked mark word.
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171 *
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172 * <pre>
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173 * +----------------------------------+-+-+
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174 * | 1|0|1|
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175 * +----------------------------------+-+-+
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176 * </pre>
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177 *
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178 */
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179 @Fold
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180 public static int biasedLockPattern() {
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181 return config().biasedLockPattern;
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182 }
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183
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184 @Fold
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185 public static int ageMaskInPlace() {
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186 return config().ageMaskInPlace;
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187 }
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188
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189 @Fold
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190 public static int hubOffset() {
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191 return config().hubOffset;
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192 }
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193
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194 @Fold
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195 public static int metaspaceArrayLengthOffset() {
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196 return config().metaspaceArrayLengthOffset;
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197 }
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198
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199 @Fold
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200 public static int metaspaceArrayBaseOffset() {
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201 return config().metaspaceArrayBaseOffset;
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202 }
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203
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204 @Fold
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205 public static int arrayLengthOffset() {
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206 return config().arrayLengthOffset;
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207 }
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208
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209 @Fold
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210 public static int arrayBaseOffset(Kind elementKind) {
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211 return HotSpotRuntime.getArrayBaseOffset(elementKind);
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212 }
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213
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214 @Fold
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215 public static int arrayIndexScale(Kind elementKind) {
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216 return HotSpotRuntime.getArrayIndexScale(elementKind);
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217 }
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218
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219 @Fold
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220 public static int cardTableShift() {
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221 return config().cardtableShift;
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222 }
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223
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224 @Fold
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225 public static long cardTableStart() {
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226 return config().cardtableStartAddress;
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227 }
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228
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229 @Fold
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230 public static int g1CardQueueIndexOffset() {
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231 return config().g1CardQueueIndexOffset;
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232 }
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233
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234 @Fold
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235 public static int g1CardQueueBufferOffset() {
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236 return config().g1CardQueueBufferOffset;
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237 }
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238
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239 @Fold
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240 public static int logOfHRGrainBytes() {
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241 return config().logOfHRGrainBytes;
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242 }
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243
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244 @Fold
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245 public static int g1SATBQueueMarkingOffset() {
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246 return config().g1SATBQueueMarkingOffset;
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247 }
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248
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249 @Fold
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250 public static int g1SATBQueueIndexOffset() {
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251 return config().g1SATBQueueIndexOffset;
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252 }
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253
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254 @Fold
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255 public static int g1SATBQueueBufferOffset() {
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256 return config().g1SATBQueueBufferOffset;
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257 }
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258
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259 @Fold
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260 public static int superCheckOffsetOffset() {
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261 return config().superCheckOffsetOffset;
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262 }
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263
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264 @Fold
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265 public static int secondarySuperCacheOffset() {
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266 return config().secondarySuperCacheOffset;
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267 }
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268
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269 @Fold
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270 public static int secondarySupersOffset() {
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271 return config().secondarySupersOffset;
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272 }
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273
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274 @Fold
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275 public static int lockDisplacedMarkOffset() {
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276 return config().basicLockDisplacedHeaderOffset;
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277 }
abeeb57b655d added MonitorSnippets which passes MonitorTest but is not yet enabled for general lowering
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diff changeset
278
abeeb57b655d added MonitorSnippets which passes MonitorTest but is not yet enabled for general lowering
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diff changeset
279 @Fold
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diff changeset
280 public static boolean useBiasedLocking() {
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281 return config().useBiasedLocking;
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282 }
abeeb57b655d added MonitorSnippets which passes MonitorTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
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283
7222
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Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
284 @Fold
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parents: 7221
diff changeset
285 static int uninitializedIdentityHashCodeValue() {
7227
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diff changeset
286 return config().uninitializedIdentityHashCodeValue;
7222
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287 }
720925633b3a fixes after merge
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diff changeset
288
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diff changeset
289 @Fold
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diff changeset
290 static int identityHashCodeShift() {
7227
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diff changeset
291 return config().identityHashCodeShift;
7222
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292 }
720925633b3a fixes after merge
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293
6362
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parents:
diff changeset
294 /**
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
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295 * Loads the hub from a object, null checking it first.
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
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diff changeset
296 */
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297 public static Word loadHub(Object object) {
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298 return loadHubIntrinsic(object, wordKind());
6362
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diff changeset
299 }
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
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diff changeset
300
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301 public static Object verifyOop(Object object) {
6362
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Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
302 if (verifyOops()) {
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
303 VerifyOopStubCall.call(object);
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
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parents:
diff changeset
304 }
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
305 return object;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
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parents:
diff changeset
306 }
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
307
6419
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Doug Simon <doug.simon@oracle.com>
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diff changeset
308 /**
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diff changeset
309 * Gets the value of the stack pointer register as a Word.
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diff changeset
310 */
7143
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diff changeset
311 public static Word stackPointer() {
6459
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parents: 6458
diff changeset
312 return HotSpotSnippetUtils.registerAsWord(stackPointerRegister());
6419
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diff changeset
313 }
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
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diff changeset
314
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
Doug Simon <doug.simon@oracle.com>
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diff changeset
315 /**
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
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diff changeset
316 * Gets the value of the thread register as a Word.
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diff changeset
317 */
7143
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diff changeset
318 public static Word thread() {
6459
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diff changeset
319 return HotSpotSnippetUtils.registerAsWord(threadRegister());
6419
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diff changeset
320 }
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
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diff changeset
321
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diff changeset
322 public static Word loadWordFromObject(Object object, int offset) {
6419
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diff changeset
323 return loadWordFromObjectIntrinsic(object, 0, offset, wordKind());
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
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diff changeset
324 }
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
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diff changeset
325
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
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diff changeset
326 @NodeIntrinsic(value = RegisterNode.class, setStampFromReturnType = true)
7556
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7554
diff changeset
327 public static native Word registerAsWord(@ConstantNodeParameter Register register);
6419
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parents: 6389
diff changeset
328
b74402a7079b fixed oopmap bug caused by unsafe mixing of word and object values
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diff changeset
329 @NodeIntrinsic(value = UnsafeLoadNode.class, setStampFromReturnType = true)
7556
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7554
diff changeset
330 private static native Word loadWordFromObjectIntrinsic(Object object, @ConstantNodeParameter int displacement, long offset, @ConstantNodeParameter Kind wordKind);
6419
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diff changeset
331
6950
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diff changeset
332 @NodeIntrinsic(value = LoadHubNode.class, setStampFromReturnType = true)
7556
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7554
diff changeset
333 static native Word loadHubIntrinsic(Object object, @ConstantNodeParameter Kind word);
7160
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diff changeset
334
7147
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diff changeset
335 @Fold
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diff changeset
336 public static int log2WordSize() {
7147
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diff changeset
337 return CodeUtil.log2(wordSize());
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diff changeset
338 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
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339
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
340 @Fold
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diff changeset
341 public static int klassStateOffset() {
7147
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342 return config().klassStateOffset;
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diff changeset
343 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
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344
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diff changeset
345 @Fold
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diff changeset
346 public static int klassModifierFlagsOffset() {
7158
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diff changeset
347 return config().klassModifierFlagsOffset;
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
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diff changeset
348 }
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
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diff changeset
349
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diff changeset
350 @Fold
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diff changeset
351 public static int klassOffset() {
7158
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diff changeset
352 return config().klassOffset;
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diff changeset
353 }
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
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diff changeset
354
7915888f5db5 replace manual intrinsification of Class.getModifiers() with a snippet
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diff changeset
355 @Fold
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diff changeset
356 public static int classMirrorOffset() {
7160
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parents: 7158
diff changeset
357 return config().classMirrorOffset;
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parents: 7158
diff changeset
358 }
d526fa5640c8 replaced manual intrinsification of Object.getClass() with a snippet
Doug Simon <doug.simon@oracle.com>
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diff changeset
359
d526fa5640c8 replaced manual intrinsification of Object.getClass() with a snippet
Doug Simon <doug.simon@oracle.com>
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diff changeset
360 @Fold
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diff changeset
361 public static int klassInstanceSizeOffset() {
7147
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diff changeset
362 return config().klassInstanceSizeOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
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diff changeset
363 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
364
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
365 @Fold
7530
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diff changeset
366 public static long heapTopAddress() {
7147
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diff changeset
367 return config().heapTopAddress;
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Doug Simon <doug.simon@oracle.com>
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diff changeset
368 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
369
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
370 @Fold
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diff changeset
371 public static long heapEndAddress() {
7147
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diff changeset
372 return config().heapEndAddress;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
373 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
374
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
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diff changeset
375 @Fold
7530
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diff changeset
376 public static int threadTlabStartOffset() {
7147
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diff changeset
377 return config().threadTlabStartOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
378 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
379
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
380 @Fold
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diff changeset
381 public static long tlabIntArrayMarkWord() {
7147
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Doug Simon <doug.simon@oracle.com>
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diff changeset
382 return config().tlabIntArrayMarkWord;
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
383 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
384
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
385 @Fold
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diff changeset
386 public static boolean inlineContiguousAllocationSupported() {
7147
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diff changeset
387 return config().inlineContiguousAllocationSupported;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
388 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
389
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
390 @Fold
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diff changeset
391 public static int tlabAlignmentReserveInHeapWords() {
7147
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diff changeset
392 return config().tlabAlignmentReserve;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
393 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
394
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
395 @Fold
7530
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diff changeset
396 public static int threadTlabSizeOffset() {
7147
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diff changeset
397 return config().threadTlabSizeOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
398 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
399
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
400 @Fold
7530
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
401 public static int threadAllocatedBytesOffset() {
7147
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parents: 7143
diff changeset
402 return config().threadAllocatedBytesOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
403 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
404
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
405 @Fold
7530
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
406 public static int klassStateFullyInitialized() {
7147
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Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
407 return config().klassStateFullyInitialized;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
408 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
409
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
410 @Fold
7530
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parents: 7300
diff changeset
411 public static int tlabRefillWasteLimitOffset() {
7147
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parents: 7143
diff changeset
412 return config().tlabRefillWasteLimitOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
413 }
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 @Fold
7530
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diff changeset
416 public static int tlabNumberOfRefillsOffset() {
7147
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parents: 7143
diff changeset
417 return config().tlabNumberOfRefillsOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
418 }
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 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
421 public static int tlabFastRefillWasteOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
422 return config().tlabFastRefillWasteOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
423 }
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 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
426 public static int tlabSlowAllocationsOffset() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
427 return config().tlabSlowAllocationsOffset;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
428 }
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 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
431 public static int tlabRefillWasteIncrement() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
432 return config().tlabRefillWasteIncrement;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
433 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
434
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
435 @Fold
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
436 public static boolean tlabStats() {
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
437 return config().tlabStats;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
438 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
439
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
440 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
441 public static int layoutHelperOffset() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
442 return config().layoutHelperOffset;
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
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
445 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
446 public static int layoutHelperHeaderSizeShift() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
447 return config().layoutHelperHeaderSizeShift;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
448 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
449
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
450 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
451 public static int layoutHelperHeaderSizeMask() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
452 return config().layoutHelperHeaderSizeMask;
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
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
455 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
456 public static int layoutHelperLog2ElementSizeShift() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
457 return config().layoutHelperLog2ElementSizeShift;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
458 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
459
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
460 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
461 public static int layoutHelperLog2ElementSizeMask() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
462 return config().layoutHelperLog2ElementSizeMask;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
463 }
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 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
466 public static int layoutHelperElementTypeShift() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
467 return config().layoutHelperElementTypeShift;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
468 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
469
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
470 @Fold
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
471 public static int layoutHelperElementTypeMask() {
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
472 return config().layoutHelperElementTypeMask;
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
473 }
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
474
7760
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
475 @Fold
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
476 public static int layoutHelperElementTypePrimitiveInPlace() {
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
477 System.out.println(String.format("%x", config().layoutHelperElementTypePrimitiveInPlace));
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
478 return config().layoutHelperElementTypePrimitiveInPlace;
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
479 }
0ae87cf94914 add primitive type mask to HotSpotVMConfig
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
480
6362
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
481 static {
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
482 assert arrayIndexScale(Kind.Byte) == 1;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
483 assert arrayIndexScale(Kind.Boolean) == 1;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
484 assert arrayIndexScale(Kind.Char) == 2;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
485 assert arrayIndexScale(Kind.Short) == 2;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
486 assert arrayIndexScale(Kind.Int) == 4;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
487 assert arrayIndexScale(Kind.Long) == 8;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
488 assert arrayIndexScale(Kind.Float) == 4;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
489 assert arrayIndexScale(Kind.Double) == 8;
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
490 }
7543
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
491
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
492 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
493 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
494
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
495 // 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
496 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
497 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
498 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
499 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
500 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
501 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
502 return hash;
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
503 }
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
504 }
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
505
be0d995ef51e factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
506 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
507 }
6362
6d232ee6a62d factored shared snippet functionality into HotSpotSnippetUtils
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
508 }