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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotMethodResolved.java @ 2054:3c0a889a176b

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Added GC stats. Enabling intrinsics.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Wed, 12 Jan 2011 19:14:32 +0100
parents 7e09ea4a8f36
children 99ad52189524
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1 /*
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2 * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved.
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3 *
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
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5 * that is described in this document. In particular, and without limitation, these intellectual property
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6 * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
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7 * more additional patents or pending patent applications in the U.S. and in other countries.
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8 *
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun
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10 * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
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11 * supplements.
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12 *
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13 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
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14 * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
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15 * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
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16 * U.S. and other countries.
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17 *
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18 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
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19 * Company, Ltd.
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20 */
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21 package com.sun.hotspot.c1x;
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22
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23 import java.lang.reflect.*;
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24
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25 import com.sun.cri.ci.*;
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26 import com.sun.cri.ri.*;
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28 /**
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29 * Implementation of RiMethod for resolved HotSpot methods.
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30 *
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31 * @author Thomas Wuerthinger, Lukas Stadler
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32 */
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33 public class HotSpotMethodResolved extends CompilerObject implements HotSpotMethod {
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34
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35 private final long vmId;
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36 private final String name;
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37
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38 // cached values
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39 private byte[] code;
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40 private int accessFlags = -1;
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41 private int maxLocals = -1;
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42 private int maxStackSize = -1;
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43 private RiExceptionHandler[] exceptionHandlers;
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44 private RiSignature signature;
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45 private RiType holder;
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46 private Boolean hasBalancedMonitors;
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47
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48 public HotSpotMethodResolved(long vmId, String name) {
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49 this.vmId = vmId;
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50 this.name = name;
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51 }
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53 @Override
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54 public int accessFlags() {
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55 if (accessFlags == -1) {
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56 accessFlags = Compiler.getVMEntries().RiMethod_accessFlags(vmId);
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57 }
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58 return accessFlags;
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59 }
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60
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61 @Override
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62 public boolean canBeStaticallyBound() {
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63 return isLeafMethod() || Modifier.isStatic(accessFlags());
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64 }
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65
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66 @Override
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67 public byte[] code() {
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68 if (code == null) {
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69 code = Compiler.getVMEntries().RiMethod_code(vmId);
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70 }
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71 return code;
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72 }
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73
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74 @Override
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75 public RiExceptionHandler[] exceptionHandlers() {
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76 if (exceptionHandlers == null) {
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77 exceptionHandlers = Compiler.getVMEntries().RiMethod_exceptionHandlers(vmId);
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78 }
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79 return exceptionHandlers;
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80 }
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81
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82 @Override
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83 public boolean hasBalancedMonitors() {
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84 if (hasBalancedMonitors == null) {
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85 hasBalancedMonitors = Compiler.getVMEntries().RiMethod_hasBalancedMonitors(vmId);
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86 }
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87 return hasBalancedMonitors;
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88 }
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89
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90 @Override
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91 public RiType holder() {
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92 if (holder == null) {
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93 holder = Compiler.getVMEntries().RiMethod_holder(vmId);
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94 }
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95 return holder;
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96 }
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97
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98 @Override
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99 public boolean isClassInitializer() {
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100 return "<clinit>".equals(name);
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101 }
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102
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103 @Override
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104 public boolean isConstructor() {
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105 return "<init>".equals(name);
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106 }
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107
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108 @Override
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109 public boolean isLeafMethod() {
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110 return Modifier.isFinal(accessFlags()) || Modifier.isPrivate(accessFlags());
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111 }
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112
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113 @Override
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114 public boolean isOverridden() {
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115 throw new UnsupportedOperationException("isOverridden");
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116 }
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117
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118 @Override
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119 public boolean isResolved() {
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120 return true;
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121 }
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122
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123 @Override
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124 public String jniSymbol() {
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125 throw new UnsupportedOperationException("jniSymbol");
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126 }
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127
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128 public CiBitMap[] livenessMap() {
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129 return null;
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130 }
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131
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132 @Override
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133 public int maxLocals() {
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134 if (maxLocals == -1) {
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135 maxLocals = Compiler.getVMEntries().RiMethod_maxLocals(vmId);
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136 }
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137 return maxLocals;
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138 }
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139
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140 @Override
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141 public int maxStackSize() {
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142 if (maxStackSize == -1) {
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143 maxStackSize = Compiler.getVMEntries().RiMethod_maxStackSize(vmId);
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144 }
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145 return maxStackSize;
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146 }
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147
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148 @Override
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149 public RiMethodProfile methodData() {
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150 return null;
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151 }
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152
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153 @Override
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154 public String name() {
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155 return name;
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156 }
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157
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158 @Override
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159 public StackTraceElement toStackTraceElement(int bci) {
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160 return CiUtil.toStackTraceElement(this, bci);
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161 }
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162
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163 @Override
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164 public RiMethod uniqueConcreteMethod() {
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165 return Compiler.getVMEntries().RiMethod_uniqueConcreteMethod(vmId);
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166 }
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167
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168 @Override
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169 public RiSignature signature() {
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170 if (signature == null) {
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171 signature = new HotSpotSignature(Compiler.getVMEntries().RiMethod_signature(vmId));
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172 }
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173 return signature;
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174 }
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175
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176 @Override
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177 public String toString() {
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178 return "HotSpotMethod<" + holder().name() + ". " + name + ">";
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179 }
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180
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diff changeset
181 public boolean hasCompiledCode() {
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diff changeset
182 // TODO: needs a VMEntries to go cache the result of that method.
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183 // This isn't used by GRAAL for now, so this is enough.
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184 return false;
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ldayne <Laurent.Daynes@oracle.com>
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185 }
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diff changeset
186
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20a3896518ac Initial adjustments to make C1X4HotSpot compile and run with latest Maxine version.
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187 @Override
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diff changeset
188 public Class<?> accessor() {
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189 return null;
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190 }
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191
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diff changeset
192 @Override
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diff changeset
193 public int intrinsic() {
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diff changeset
194 return 0;
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diff changeset
195 }
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196 }