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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRuntime.java @ 1437:9e5e83ca2259

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Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Mon, 25 Oct 2010 16:47:52 +0200
parents 72cfb36c6bb2
children d0c8d3a2a7e8
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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.io.*;
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24 import java.lang.reflect.*;
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25
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26 import com.sun.cri.ci.*;
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27 import com.sun.cri.ci.CiTargetMethod.Call;
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28 import com.sun.cri.ci.CiTargetMethod.DataPatch;
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29 import com.sun.cri.ci.CiTargetMethod.Safepoint;
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30 import com.sun.cri.ri.*;
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31 import com.sun.max.asm.*;
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32 import com.sun.max.asm.dis.*;
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33 import com.sun.max.lang.*;
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34
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35 /**
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36 * CRI runtime implementation for the HotSpot VM.
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37 *
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38 * @author Thomas Wuerthinger, Lukas Stadler
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39 */
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40 public class HotSpotRuntime implements RiRuntime {
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41
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42 private final HotSpotVMConfig config;
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43
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44 public HotSpotRuntime(HotSpotVMConfig config) {
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45 this.config = config;
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46 }
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47
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48 @Override
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49 public int codeOffset() {
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50 return 0;
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51 }
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52
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53 @Override
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54 public String disassemble(byte[] code) {
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55 return disassemble(code, new DisassemblyPrinter(false));
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56 }
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57
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58 private String disassemble(byte[] code, DisassemblyPrinter disassemblyPrinter) {
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59 final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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60 final InstructionSet instructionSet = InstructionSet.AMD64;
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61 Disassembler.disassemble(byteArrayOutputStream, code, instructionSet, WordWidth.BITS_64, 0, null, disassemblyPrinter);
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62 return byteArrayOutputStream.toString();
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63 }
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64
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65 @Override
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66 public String disassemble(final CiTargetMethod targetMethod) {
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67
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68 final DisassemblyPrinter disassemblyPrinter = new DisassemblyPrinter(false) {
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69
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70 private String toString(Call call) {
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71 if (call.runtimeCall != null) {
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72 return "{" + call.runtimeCall.name() + "}";
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73 } else if (call.symbol != null) {
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74 return "{" + call.symbol + "}";
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75 } else if (call.globalStubID != null) {
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76 return "{" + call.globalStubID + "}";
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77 } else {
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78 return "{" + call.method + "}";
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79 }
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80 }
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81
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82 private String siteInfo(int pcOffset) {
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83 for (Call call : targetMethod.directCalls) {
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84 if (call.pcOffset == pcOffset) {
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85 return toString(call);
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86 }
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87 }
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88 for (Call call : targetMethod.indirectCalls) {
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89 if (call.pcOffset == pcOffset) {
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90 return toString(call);
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91 }
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92 }
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93 for (Safepoint site : targetMethod.safepoints) {
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94 if (site.pcOffset == pcOffset) {
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95 return "{safepoint}";
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96 }
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97 }
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98 for (DataPatch site : targetMethod.dataReferences) {
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99 if (site.pcOffset == pcOffset) {
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100 return "{" + site.constant + "}";
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101 }
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102 }
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103 return null;
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104 }
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105
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106 @Override
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107 protected String disassembledObjectString(Disassembler disassembler, DisassembledObject disassembledObject) {
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108 final String string = super.disassembledObjectString(disassembler, disassembledObject);
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109
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110 String site = siteInfo(disassembledObject.startPosition());
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111 if (site != null) {
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112 return string + " " + site;
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113 }
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114 return string;
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115 }
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116 };
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117 return disassemble(targetMethod.targetCode(), disassemblyPrinter);
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118 }
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119
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120 @Override
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121 public String disassemble(RiMethod method) {
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122 return "No disassembler available";
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123 }
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124
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125 @Override
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126 public RiConstantPool getConstantPool(RiMethod method) {
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127 return ((HotSpotTypeResolved) method.holder()).constantPool();
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128 }
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129
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130 @Override
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131 public RiOsrFrame getOsrFrame(RiMethod method, int bci) {
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132 return null;
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133 }
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134
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135 @Override
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136 public RiType getRiType(Class<?> javaClass) {
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137 if (javaClass == Object[].class || javaClass == Long.class || javaClass == Integer.class || javaClass == Throwable.class) {
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138 return Compiler.getVMEntries().getType(javaClass);
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139 }
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140 throw new UnsupportedOperationException("unexpected class in getRiType: " + javaClass);
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141 }
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142
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143 @Override
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144 public RiSnippets getSnippets() {
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145 throw new UnsupportedOperationException("getSnippets");
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146 }
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147
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148 @Override
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149 public boolean mustInline(RiMethod method) {
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150 return false;
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151 }
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152
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153 @Override
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154 public boolean mustNotCompile(RiMethod method) {
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155 return false;
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156 }
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157
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158 @Override
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159 public boolean mustNotInline(RiMethod method) {
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160 return Modifier.isNative(method.accessFlags());
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161 }
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162
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163 @Override
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164 public Object registerGlobalStub(CiTargetMethod targetMethod, String name) {
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165 return HotSpotTargetMethod.installStub(targetMethod, name);
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166 }
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167
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168 @Override
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169 public int sizeofBasicObjectLock() {
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170 // TODO shouldn't be hard coded
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171 return 2 * 8;
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172 }
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173
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174 @Override
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175 public int basicObjectLockOffsetInBytes() {
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176 return 8;
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177 }
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178
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179 @Override
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180 public RiField getRiField(Field javaField) {
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181 throw new UnsupportedOperationException("getRiField");
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182 }
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183
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184 @Override
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185 public RiMethod getRiMethod(Method javaMethod) {
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186 throw new UnsupportedOperationException("getRiMethod");
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187 }
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188
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189 @Override
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190 public RiMethod getRiMethod(Constructor<?> javaConstructor) {
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191 throw new UnsupportedOperationException("getRiMethod");
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192 }
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193
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194 @Override
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195 public CiConstant invoke(RiMethod method, CiMethodInvokeArguments args) {
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196 return null;
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197 }
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198
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199 @Override
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200 public CiConstant foldWordOperation(int opcode, CiMethodInvokeArguments args) {
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201 throw new UnsupportedOperationException("foldWordOperation");
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202 }
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203
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204 @Override
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205 public boolean compareConstantObjects(Object x, Object y) {
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206 if (x == null && y == null) {
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207 return true;
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208 } else if (x == null || y == null) {
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209 return false;
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210 } else if (x instanceof Long && y instanceof Long) {
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211 return (Long) x == (long) (Long) y;
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212 }
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213 throw new UnsupportedOperationException("compareConstantObjects: " + x + ", " + y);
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214 }
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215
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216 @Override
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217 public boolean recordLeafMethodAssumption(RiMethod method) {
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diff changeset
218 return false;
1420
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219 }
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diff changeset
220
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221 }