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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotXirGenerator.java @ 1421:6223633ce7dd

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changed VMExit/VMEntries to non-static, added eclipse c++ project, CIR interface changes
author Lukas Stadler <lukas.stadler@oracle.com>
date Fri, 23 Jul 2010 15:53:02 -0700
parents 44efca8a02d6
children 3483ec571caf
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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 that is
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5 * described in this document. In particular, and without limitation, these intellectual property rights may include one
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6 * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent
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7 * 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 Microsystems, Inc. standard
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10 * license agreement and applicable provisions of the FAR and its supplements.
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11 *
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12 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered
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13 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and
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14 * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries.
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15 *
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16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd.
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17 */
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18 package com.sun.hotspot.c1x;
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19
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20 import java.lang.reflect.Modifier;
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21 import java.util.ArrayList;
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22 import java.util.List;
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23
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24 import com.sun.c1x.target.amd64.*;
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25 import com.sun.cri.ci.CiKind;
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26 import com.sun.cri.ri.RiField;
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27 import com.sun.cri.ri.RiMethod;
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28 import com.sun.cri.ri.RiRegisterConfig;
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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.*;
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32 import com.sun.cri.xir.CiXirAssembler.*;
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33
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34 /**
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35 *
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36 * @author Thomas Wuerthinger
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37 *
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38 */
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39 public class HotSpotXirGenerator extends RiXirGenerator {
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40
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41 private final HotSpotVMConfig config;
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42 private CiXirAssembler asm;
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43 private final RiRegisterConfig registerConfig;
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44
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45 private XirTemplate[] emptyTemplates = new XirTemplate[CiKind.values().length];
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46 private XirTemplate prologueTemplate;
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47 private XirTemplate staticPrologueTemplate;
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48 private XirTemplate epilogueTemplate;
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49
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50 static class XirPair {
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51
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52 final XirTemplate resolved;
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53 final XirTemplate unresolved;
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54
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55 XirPair(XirTemplate resolved, XirTemplate unresolved) {
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56 this.resolved = resolved;
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57 this.unresolved = unresolved;
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58 }
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59 }
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60
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61 private XirPair[] putFieldTemplates;
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62 private XirPair[] getFieldTemplates;
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63 private XirPair[] putStaticFieldTemplates;
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64 private XirPair[] getStaticFieldTemplates;
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65 private XirPair instanceofTemplate;
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66 private XirPair instanceofTemplateNonnull;
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67
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68 public HotSpotXirGenerator(HotSpotVMConfig config, RiRegisterConfig registerConfig) {
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69 this.config = config;
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70 this.registerConfig = registerConfig;
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71 }
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72
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73 @Override
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74 public List<XirTemplate> buildTemplates(CiXirAssembler asm) {
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75 this.asm = asm;
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76
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77 putFieldTemplates = new XirPair[CiKind.values().length];
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78 getFieldTemplates = new XirPair[CiKind.values().length];
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79 putStaticFieldTemplates = new XirPair[CiKind.values().length];
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80 getStaticFieldTemplates = new XirPair[CiKind.values().length];
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81
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82 List<XirTemplate> templates = new ArrayList<XirTemplate>();
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83 for (int index = 0; index < CiKind.values().length; index++) {
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84
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85 CiKind kind = CiKind.values()[index];
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86
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87 if (kind == CiKind.Float || kind == CiKind.Double)
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88 continue;
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89
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90 if (CiKind.values()[index] == CiKind.Void) {
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91 asm.restart(CiKind.values()[index]);
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92 emptyTemplates[index] = asm.finishTemplate("empty-" + CiKind.values()[index]);
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93 } else {
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94 asm.restart();
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95 XirOperand result = asm.createTemp("result", CiKind.values()[index]);
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96 emptyTemplates[index] = asm.finishTemplate(result, "empty-" + CiKind.values()[index]);
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97
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98 putFieldTemplates[index] = buildPutFieldTemplate(kind, kind == CiKind.Object, false);
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99 getFieldTemplates[index] = buildGetFieldTemplate(kind, false);
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100 putStaticFieldTemplates[index] = buildPutFieldTemplate(kind, kind == CiKind.Object, true);
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101 getStaticFieldTemplates[index] = buildGetFieldTemplate(kind, true);
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102 // arrayLoadTemplates[index] = buildArrayLoad(kind, asm, true);
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103 // arrayStoreTemplates[index] = buildArrayStore(kind, asm, true, kind == CiKind.Object, kind == CiKind.Object);
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104 // newArrayTemplates[index] = buildNewArray(kind);
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105 }
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106 templates.add(emptyTemplates[index]);
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107 }
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108 prologueTemplate = buildPrologue(false);
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109 staticPrologueTemplate = buildPrologue(true);
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110 epilogueTemplate = buildEpilogue();
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111 instanceofTemplate = buildInstanceof(false);
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112 instanceofTemplateNonnull = buildInstanceof(true);
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113
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114 return templates;
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115 }
1416
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116
1421
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117 private XirTemplate buildPrologue(boolean staticMethod) {
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118 asm.restart(CiKind.Void);
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119 XirOperand sp = asm.createRegister("stack pointer", CiKind.Word, registerConfig.getStackPointerRegister());
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120 XirOperand temp = asm.createRegister("temp (rax)", CiKind.Word, AMD64.rax);
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121
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122 asm.align(config.codeEntryAlignment);
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123 asm.entrypoint(HotSpotRuntime.Entrypoints.UNVERIFIED);
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124 if (!staticMethod) {
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125 // TODO do some checking...
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126 asm.add(temp, temp, asm.i(1));
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127 asm.sub(temp, temp, asm.i(1));
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128 asm.shouldNotReachHere();
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129
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130 asm.align(config.codeEntryAlignment);
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131 }
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132 asm.entrypoint(HotSpotRuntime.Entrypoints.VERIFIED);
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133 // stack banging
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134 asm.pload(CiKind.Word, temp, sp, asm.i(-config.stackShadowPages * config.vmPageSize), true);
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135 asm.pushFrame();
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136
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137 return asm.finishTemplate(staticMethod ? "static prologue" : "prologue");
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138 }
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139
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140 private XirTemplate buildEpilogue() {
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141 asm.restart(CiKind.Void);
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142 asm.popFrame();
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143 // TODO safepoint check
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144 return asm.finishTemplate("epilogue");
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145 }
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146
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147 private XirPair buildGetFieldTemplate(CiKind kind, boolean isStatic) {
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148 final XirTemplate resolved;
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149 final XirTemplate unresolved;
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150 {
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151 // resolved case
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152 XirOperand result = asm.restart(kind);
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153 XirParameter object = asm.createInputParameter("object", CiKind.Object);
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154 XirParameter fieldOffset = asm.createConstantInputParameter("fieldOffset", CiKind.Int);
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155 asm.pload(kind, result, object, fieldOffset, true);
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156 resolved = asm.finishTemplate("getfield<" + kind + ">");
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157 }
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158 if (isStatic) {
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159 asm.restart(kind);
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160 asm.shouldNotReachHere();
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161 /*
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162 * XirParameter object = asm.createInputParameter("object", CiKind.Object); XirParameter guard =
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163 * asm.createInputParameter("guard", CiKind.Object); XirOperand fieldOffset = asm.createTemp("fieldOffset",
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164 * CiKind.Int); if (isStatic) { callRuntimeThroughStub(asm, "resolveGetStatic", fieldOffset, guard); } else
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165 * { callRuntimeThroughStub(asm, "resolveGetField", fieldOffset, guard); } asm.pload(kind, result, object,
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166 * fieldOffset, true);
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167 */
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168
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169 unresolved = asm.finishTemplate("getfield<" + kind + ">-unresolved");
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170 } else {
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171 unresolved = null;
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172 }
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173 return new XirPair(resolved, unresolved);
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174 }
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175
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176 private XirPair buildPutFieldTemplate(CiKind kind, boolean genWriteBarrier, boolean isStatic) {
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177 final XirTemplate resolved;
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178 final XirTemplate unresolved;
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179 {
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180 // resolved case
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181 asm.restart(CiKind.Void);
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182 XirParameter object = asm.createInputParameter("object", CiKind.Object);
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183 XirParameter value = asm.createInputParameter("value", kind);
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184 XirParameter fieldOffset = asm.createConstantInputParameter("fieldOffset", CiKind.Int);
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185 asm.pstore(kind, object, fieldOffset, value, true);
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186 if (genWriteBarrier) {
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187 // TODO write barrier
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188 // addWriteBarrier(asm, object, value);
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189 }
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190 resolved = asm.finishTemplate("putfield<" + kind + ", " + genWriteBarrier + ">");
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191 }
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192 if (isStatic) {
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193 // unresolved case
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194 asm.restart(CiKind.Void);
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195 asm.shouldNotReachHere();
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196 /*
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197 * XirParameter object = asm.createInputParameter("object", CiKind.Object); XirParameter value =
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198 * asm.createInputParameter("value", kind); XirParameter guard = asm.createInputParameter("guard",
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199 * CiKind.Object); XirOperand fieldOffset = asm.createTemp("fieldOffset", CiKind.Int); if (isStatic) {
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200 * callRuntimeThroughStub(asm, "resolvePutStatic", fieldOffset, guard); } else { callRuntimeThroughStub(asm,
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201 * "resolvePutField", fieldOffset, guard); } asm.pstore(kind, object, fieldOffset, value, true); if
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202 * (genWriteBarrier) { addWriteBarrier(asm, object, value); }
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203 */
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204 unresolved = asm.finishTemplate("putfield<" + kind + ", " + genWriteBarrier + ">-unresolved");
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205 } else {
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206 unresolved = null;
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207 }
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208 return new XirPair(resolved, unresolved);
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209 }
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210
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211 private XirPair buildInstanceof(boolean nonnull) {
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212 XirTemplate resolved;
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213 XirTemplate unresolved;
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214 {
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215 XirOperand result = asm.restart(CiKind.Boolean);
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216 asm.callRuntime(config.instanceofStub, result);
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217
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218 XirParameter object = asm.createInputParameter("object", CiKind.Object);
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219 XirParameter hub = asm.createConstantInputParameter("hub", CiKind.Object);
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220 XirOperand temp = asm.createTemp("temp", CiKind.Object);
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221 XirLabel pass = asm.createInlineLabel("pass");
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222 XirLabel fail = asm.createInlineLabel("fail");
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223 asm.mov(result, asm.b(false));
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224 if (!nonnull) {
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225 // first check for null
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226 asm.jeq(fail, object, asm.o(null));
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227 }
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228 asm.pload(CiKind.Object, temp, object, asm.i(config.hubOffset), !nonnull);
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229 asm.jneq(fail, temp, hub);
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230 asm.bindInline(pass);
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231 asm.mov(result, asm.b(true));
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232 asm.bindInline(fail);
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233 resolved = asm.finishTemplate("instanceof-leaf<" + nonnull + ">");
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234 }
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235 {/*
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236 * // unresolved instanceof unresolved = buildUnresolvedInstanceOf(nonnull);
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237 */
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238 asm.restart(CiKind.Boolean);
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239 asm.shouldNotReachHere();
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240 unresolved = asm.finishTemplate("instanceof-leaf<" + nonnull + ">");
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241 }
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242 return new XirPair(resolved, unresolved);
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243 }
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244
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245 @Override
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246 public XirSnippet genArrayLength(XirSite site, XirArgument array) {
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247 return new XirSnippet(emptyTemplates[CiKind.Int.ordinal()]);
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248 }
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249
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250 @Override
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251 public XirSnippet genArrayLoad(XirSite site, XirArgument array, XirArgument index, XirArgument length, CiKind elementKind, RiType elementType) {
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252 return new XirSnippet(emptyTemplates[elementKind.ordinal()]);
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253 }
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254
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255 @Override
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256 public XirSnippet genArrayStore(XirSite site, XirArgument array, XirArgument index, XirArgument length, XirArgument value, CiKind elementKind, RiType elementType) {
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257 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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258 }
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259
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260 @Override
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261 public XirSnippet genCheckCast(XirSite site, XirArgument receiver, XirArgument hub, RiType type) {
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262 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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263 }
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264
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265 @Override
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266 public XirSnippet genPrologue(XirSite site, RiMethod method) {
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267 boolean staticMethod = Modifier.isStatic(method.accessFlags());
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268 return new XirSnippet(staticMethod ? staticPrologueTemplate : prologueTemplate);
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269 }
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270
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271 @Override
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272 public XirSnippet genEpilogue(XirSite site, RiMethod method) {
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273 return new XirSnippet(epilogueTemplate);
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274 }
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275
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276 @Override
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277 public XirSnippet genGetField(XirSite site, XirArgument receiver, RiField field) {
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278 XirPair pair = getStaticFieldTemplates[field.kind().ordinal()];
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279 assert field.isResolved() : "getfield doesn't expect unresolved fields";
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280 XirArgument offset = XirArgument.forInt(((HotSpotField) field).offset());
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281 return new XirSnippet(pair.resolved, receiver, offset);
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282 }
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283
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284 @Override
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285 public XirSnippet genGetStatic(XirSite site, XirArgument staticTuple, RiField field) {
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286 XirPair pair = getStaticFieldTemplates[field.kind().ordinal()];
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287 if (field.isResolved()) {
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288 XirArgument offset = XirArgument.forInt(((HotSpotField) field).offset());
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289 return new XirSnippet(pair.resolved, staticTuple, offset);
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290 }
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291 return new XirSnippet(pair.unresolved, staticTuple, null);
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292 }
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293
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294 @Override
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295 public XirSnippet genPutField(XirSite site, XirArgument receiver, RiField field, XirArgument value) {
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296 XirPair pair = putFieldTemplates[field.kind().ordinal()];
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297 assert field.isResolved() : "putfield doesn't expect unresolved fields";
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298 XirArgument offset = XirArgument.forInt(((HotSpotField) field).offset());
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299 return new XirSnippet(pair.resolved, receiver, value, offset);
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300 }
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301
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302 @Override
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303 public XirSnippet genPutStatic(XirSite site, XirArgument staticTuple, RiField field, XirArgument value) {
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304 XirPair pair = putFieldTemplates[field.kind().ordinal()];
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305 if (field.isResolved()) {
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306 XirArgument offset = XirArgument.forInt(((HotSpotField) field).offset());
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307 return new XirSnippet(pair.resolved, staticTuple, value, offset);
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308 }
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309 return new XirSnippet(pair.unresolved, staticTuple, value);
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310 }
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311
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312 @Override
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313 public XirSnippet genInstanceOf(XirSite site, XirArgument receiver, XirArgument hub, RiType type) {
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314 /*
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315 if (type.isResolved()) {
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316 return new XirSnippet(instanceofTemplate.resolved, receiver, hub);
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317 }
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318 // XirArgument guard = guardFor(type, ResolveClass.SNIPPET);
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319 return new XirSnippet(instanceofTemplate.unresolved, receiver);
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320 */
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321 return new XirSnippet(emptyTemplates[CiKind.Boolean.ordinal()]);
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322 }
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323
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324 @Override
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325 public XirSnippet genIntrinsic(XirSite site, XirArgument[] arguments, RiMethod method) {
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326 return null;
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327 }
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328
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329 @Override
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330 public XirSnippet genInvokeInterface(XirSite site, XirArgument receiver, RiMethod method) {
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331 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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332 }
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333
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334 @Override
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335 public XirSnippet genInvokeSpecial(XirSite site, XirArgument receiver, RiMethod method) {
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336 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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337 }
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338
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339 @Override
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340 public XirSnippet genInvokeStatic(XirSite site, RiMethod method) {
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341 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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342 }
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343
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344 @Override
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345 public XirSnippet genInvokeVirtual(XirSite site, XirArgument receiver, RiMethod method) {
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346 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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347 }
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348
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349 @Override
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350 public XirSnippet genMonitorEnter(XirSite site, XirArgument receiver) {
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351 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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352 }
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353
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354 @Override
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355 public XirSnippet genMonitorExit(XirSite site, XirArgument receiver) {
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356 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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357 }
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358
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359 @Override
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360 public XirSnippet genNewArray(XirSite site, XirArgument length, CiKind elementKind, RiType componentType, RiType arrayType) {
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361 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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362 }
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363
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364 @Override
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365 public XirSnippet genNewInstance(XirSite site, RiType type) {
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366 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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367 }
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368
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369 @Override
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370 public XirSnippet genNewMultiArray(XirSite site, XirArgument[] lengths, RiType type) {
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371 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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372 }
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373
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374 @Override
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375 public XirSnippet genResolveClass(XirSite site, RiType type, Representation representation) {
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376 System.out.println("genResolveClass " + type + ", " + representation);
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377 XirOperand result = asm.restart(CiKind.Object);
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378 if (type.isResolved()) {
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379 System.out.println("resolved");
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380 asm.mov(result, asm.o(type));
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381 return new XirSnippet(asm.finishTemplate(result, "resolve class"));
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382 }
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383 asm.shouldNotReachHere();
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384 return new XirSnippet(asm.finishTemplate(result, "resolve class"));
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385
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386 }
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387
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388 @Override
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389 public XirSnippet genSafepoint(XirSite site) {
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390 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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391 }
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392
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393 @Override
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394 public XirSnippet genExceptionObject(XirSite site) {
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395 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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396 }
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397
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398 }