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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotXirGenerator.java @ 1419:7bf6a77b9c5a

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implement recent safepoint & exceptionobject ci changes, HotSpotVMConfig
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 12 Jul 2010 15:05:17 -0700
parents 2c41834aa270
children 44efca8a02d6
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1 /*
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2 * Copyright (c) 2009 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.util.ArrayList;
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24 import java.util.List;
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25
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26 import com.sun.cri.ci.CiKind;
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27 import com.sun.cri.ri.RiField;
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28 import com.sun.cri.ri.RiMethod;
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29 import com.sun.cri.ri.RiType;
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30 import com.sun.cri.ri.RiType.Representation;
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31 import com.sun.cri.xir.CiXirAssembler;
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32 import com.sun.cri.xir.RiXirGenerator;
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33 import com.sun.cri.xir.XirArgument;
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34 import com.sun.cri.xir.XirSite;
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35 import com.sun.cri.xir.XirSnippet;
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36 import com.sun.cri.xir.XirTemplate;
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37 import com.sun.cri.xir.CiXirAssembler.XirOperand;
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38
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39 /**
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40 *
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41 * @author Thomas Wuerthinger
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42 *
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43 */
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44 public class HotSpotXirGenerator extends RiXirGenerator {
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45
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46 private XirTemplate[] emptyTemplates = new XirTemplate[CiKind.values().length];
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47 private final HotSpotVMConfig config;
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48
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49 public HotSpotXirGenerator(HotSpotVMConfig config) {
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50 this.config = config;
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51 }
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52
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53 @Override
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54 public List<XirTemplate> buildTemplates(CiXirAssembler asm) {
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55
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56 List<XirTemplate> templates = new ArrayList<XirTemplate>();
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57 for (int i = 0; i < CiKind.values().length; i++) {
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58
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59 CiKind curKind = CiKind.values()[i];
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60
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61 if (curKind == CiKind.Float || curKind == CiKind.Double)
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62 continue;
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63
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64 if (CiKind.values()[i] == CiKind.Void) {
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65 asm.restart(CiKind.values()[i]);
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66 emptyTemplates[i] = asm.finishTemplate("empty-"
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67 + CiKind.values()[i]);
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68 } else {
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69 asm.restart();
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70 XirOperand result = asm
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71 .createTemp("result", CiKind.values()[i]);
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72 emptyTemplates[i] = asm.finishTemplate(result, "empty-"
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73 + CiKind.values()[i]);
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74 }
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75 templates.add(emptyTemplates[i]);
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76 }
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77
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78 return templates;
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79 }
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80
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81 @Override
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82 public XirSnippet genArrayLength(XirSite site, XirArgument array) {
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83 return new XirSnippet(emptyTemplates[CiKind.Int.ordinal()]);
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84 }
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85
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86 @Override
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87 public XirSnippet genArrayLoad(XirSite site, XirArgument array,
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88 XirArgument index, XirArgument length, CiKind elementKind,
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89 RiType elementType) {
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90 return new XirSnippet(emptyTemplates[elementKind.ordinal()]);
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91 }
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92
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93 @Override
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94 public XirSnippet genArrayStore(XirSite site, XirArgument array,
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95 XirArgument index, XirArgument length, XirArgument value,
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96 CiKind elementKind, RiType elementType) {
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97 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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98 }
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99
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100 @Override
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101 public XirSnippet genCheckCast(XirSite site, XirArgument receiver,
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102 XirArgument hub, RiType type) {
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103 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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104 }
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105
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106 @Override
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107 public XirSnippet genEntrypoint(XirSite site) {
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108 return null;
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109 }
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110
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111 @Override
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112 public XirSnippet genGetField(XirSite site, XirArgument receiver,
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113 RiField field) {
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114 return new XirSnippet(emptyTemplates[field.kind().ordinal()]);
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115 }
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116
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117 @Override
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118 public XirSnippet genGetStatic(XirSite site, XirArgument staticTuple,
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119 RiField field) {
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120 return new XirSnippet(emptyTemplates[field.kind().ordinal()]);
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121 }
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122
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123 @Override
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124 public XirSnippet genInstanceOf(XirSite site, XirArgument receiver,
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125 XirArgument hub, RiType type) {
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126 return new XirSnippet(emptyTemplates[CiKind.Boolean.ordinal()]);
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127 }
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128
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129 @Override
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130 public XirSnippet genIntrinsic(XirSite site, XirArgument[] arguments,
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131 RiMethod method) {
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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 XirSnippet genInvokeInterface(XirSite site, XirArgument receiver,
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137 RiMethod method) {
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138 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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139 }
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140
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141 @Override
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142 public XirSnippet genInvokeSpecial(XirSite site, XirArgument receiver,
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143 RiMethod method) {
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144 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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145 }
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146
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147 @Override
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148 public XirSnippet genInvokeStatic(XirSite site, RiMethod method) {
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149 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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150 }
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151
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152 @Override
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153 public XirSnippet genInvokeVirtual(XirSite site, XirArgument receiver,
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154 RiMethod method) {
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155 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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156 }
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157
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158 @Override
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159 public XirSnippet genMonitorEnter(XirSite site, XirArgument receiver) {
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160 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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161 }
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162
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163 @Override
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164 public XirSnippet genMonitorExit(XirSite site, XirArgument receiver) {
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165 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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166 }
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167
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168 @Override
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169 public XirSnippet genNewArray(XirSite site, XirArgument length,
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170 CiKind elementKind, RiType componentType, RiType arrayType) {
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171 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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172 }
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173
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174 @Override
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175 public XirSnippet genNewInstance(XirSite site, RiType type) {
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176 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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177 }
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178
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179 @Override
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180 public XirSnippet genNewMultiArray(XirSite site, XirArgument[] lengths,
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181 RiType type) {
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182 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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183 }
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184
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185 @Override
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186 public XirSnippet genPutField(XirSite site, XirArgument receiver,
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187 RiField field, XirArgument value) {
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188 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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189 }
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190
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191 @Override
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192 public XirSnippet genPutStatic(XirSite site, XirArgument staticTuple,
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193 RiField field, XirArgument value) {
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194 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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195 }
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196
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197 @Override
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198 public XirSnippet genResolveClass(XirSite site, RiType type,
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199 Representation representation) {
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200 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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201 }
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202
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203 @Override
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204 public XirSnippet genSafepoint(XirSite site) {
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205 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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206 }
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207
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208 @Override
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209 public XirSnippet genExceptionObject(XirSite site) {
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210 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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211 }
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212
1416
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213 }