Mercurial > hg > graal-jvmci-8
annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotXirGenerator.java @ 1426:ed6bd46ad55e
small cleanup
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Wed, 18 Aug 2010 11:44:04 -0700 |
parents | 98fffb304868 |
children | 149b1d2316de |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009-2010 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 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.*; |
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21 import java.util.*; |
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22 |
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23 import com.sun.c1x.target.amd64.*; |
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24 import com.sun.cri.ci.CiAddress.Scale; |
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25 import com.sun.cri.ci.*; |
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26 import com.sun.cri.ri.*; |
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27 import com.sun.cri.ri.RiType.Representation; |
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28 import com.sun.cri.xir.*; |
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29 import com.sun.cri.xir.CiXirAssembler.XirOperand; |
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30 import com.sun.cri.xir.CiXirAssembler.*; |
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31 |
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32 /** |
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33 * |
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34 * @author Thomas Wuerthinger, Lukas Stadler |
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35 */ |
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36 public class HotSpotXirGenerator implements RiXirGenerator { |
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37 |
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38 // this needs to correspond to c1x_Compiler.hpp |
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39 private static final Integer MARK_VERIFIED_ENTRY = 1; |
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40 private static final Integer MARK_UNVERIFIED_ENTRY = 2; |
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41 private static final Integer MARK_STATIC_CALL_STUB = 1000; |
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42 |
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43 private final HotSpotVMConfig config; |
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44 private final CiTarget target; |
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45 private final RiRegisterConfig registerConfig; |
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46 |
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47 private CiXirAssembler asm; |
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48 |
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49 private XirTemplate[] emptyTemplates = new XirTemplate[CiKind.values().length]; |
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50 private XirTemplate[] arrayLoadTemplates = new XirTemplate[CiKind.values().length]; |
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51 private XirTemplate[] arrayStoreTemplates = new XirTemplate[CiKind.values().length]; |
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52 private XirTemplate prologueTemplate; |
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53 private XirTemplate staticPrologueTemplate; |
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54 private XirTemplate epilogueTemplate; |
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55 private XirTemplate arrayLengthTemplate; |
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56 private XirTemplate exceptionObjectTemplate; |
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57 private XirTemplate invokeStaticTemplate; |
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58 private XirTemplate invokeSpecialTemplate; |
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59 private XirTemplate newInstanceTemplate; |
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60 |
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61 static class XirPair { |
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62 |
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63 final XirTemplate resolved; |
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64 final XirTemplate unresolved; |
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65 |
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66 XirPair(XirTemplate resolved, XirTemplate unresolved) { |
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67 this.resolved = resolved; |
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68 this.unresolved = unresolved; |
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69 } |
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70 } |
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71 |
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72 private XirPair[] putFieldTemplates = new XirPair[CiKind.values().length]; |
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73 private XirPair[] getFieldTemplates = new XirPair[CiKind.values().length]; |
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74 private XirPair[] putStaticFieldTemplates = new XirPair[CiKind.values().length]; |
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75 private XirPair[] getStaticFieldTemplates = new XirPair[CiKind.values().length]; |
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76 private XirPair instanceofTemplate; |
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77 private XirPair instanceofTemplateNonnull; |
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78 |
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79 public HotSpotXirGenerator(HotSpotVMConfig config, CiTarget target, RiRegisterConfig registerConfig) { |
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80 this.config = config; |
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81 this.target = target; |
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82 this.registerConfig = registerConfig; |
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83 } |
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84 |
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85 @Override |
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86 public List<XirTemplate> buildTemplates(CiXirAssembler asm) { |
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87 this.asm = asm; |
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88 |
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89 List<XirTemplate> templates = new ArrayList<XirTemplate>(); |
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90 for (CiKind kind : CiKind.JAVA_VALUES) { |
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91 int index = kind.ordinal(); |
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92 |
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93 if (kind == CiKind.Void) { |
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94 asm.restart(CiKind.values()[index]); |
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95 emptyTemplates[index] = asm.finishTemplate("empty-" + kind); |
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96 } else { |
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97 asm.restart(); |
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98 XirOperand result = asm.createTemp("result", kind); |
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99 emptyTemplates[index] = asm.finishTemplate(result, "empty-" + kind); |
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100 |
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101 putFieldTemplates[index] = buildPutFieldTemplate(kind, kind == CiKind.Object, false); |
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102 getFieldTemplates[index] = buildGetFieldTemplate(kind, false); |
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103 putStaticFieldTemplates[index] = buildPutFieldTemplate(kind, kind == CiKind.Object, true); |
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104 getStaticFieldTemplates[index] = buildGetFieldTemplate(kind, true); |
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105 arrayLoadTemplates[index] = buildArrayLoad(kind, asm, true); |
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106 arrayStoreTemplates[index] = buildArrayStore(kind, asm, true, kind == CiKind.Object, kind == CiKind.Object); |
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107 // newArrayTemplates[index] = buildNewArray(kind); |
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108 } |
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109 // templates.add(emptyTemplates[index]); |
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110 } |
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111 |
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112 asm.restart(); |
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113 XirOperand result = asm.createTemp("result", CiKind.Word); |
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114 emptyTemplates[CiKind.Word.ordinal()] = asm.finishTemplate(result, "empty-Word"); |
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115 |
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116 prologueTemplate = buildPrologue(false); |
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117 staticPrologueTemplate = buildPrologue(true); |
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118 epilogueTemplate = buildEpilogue(); |
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119 arrayLengthTemplate = buildArrayLength(); |
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120 exceptionObjectTemplate = buildExceptionObject(); |
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121 instanceofTemplate = buildInstanceof(false); |
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122 instanceofTemplateNonnull = buildInstanceof(true); |
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123 invokeStaticTemplate = buildInvokeStatic(); |
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124 invokeSpecialTemplate = buildInvokeSpecial(); |
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125 newInstanceTemplate = buildNewInstance(); |
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126 |
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127 return templates; |
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128 } |
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129 |
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130 private XirTemplate buildPrologue(boolean staticMethod) { |
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131 asm.restart(CiKind.Void); |
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132 XirOperand temp = asm.createRegister("temp (rax)", CiKind.Int, AMD64.rax); |
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133 XirOperand frame_pointer = asm.createRegister("frame pointer", CiKind.Word, AMD64.rbp); |
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134 |
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135 asm.align(config.codeEntryAlignment); |
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136 asm.mark(MARK_UNVERIFIED_ENTRY); |
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137 if (!staticMethod) { |
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138 // TODO do some checking... |
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139 asm.add(temp, temp, asm.i(1)); |
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140 asm.sub(temp, temp, asm.i(1)); |
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141 asm.shouldNotReachHere(); |
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142 |
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143 asm.align(config.codeEntryAlignment); |
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144 } |
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145 asm.mark(MARK_VERIFIED_ENTRY); |
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146 asm.push(frame_pointer); |
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147 asm.pushFrame(); |
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148 |
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149 return asm.finishTemplate(staticMethod ? "static prologue" : "prologue"); |
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150 } |
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151 |
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152 private XirTemplate buildEpilogue() { |
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153 asm.restart(CiKind.Void); |
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154 XirOperand frame_pointer = asm.createRegister("frame pointer", CiKind.Word, AMD64.rbp); |
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155 asm.popFrame(); |
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156 asm.pop(frame_pointer); |
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157 // TODO safepoint check |
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158 return asm.finishTemplate("epilogue"); |
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159 } |
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160 |
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161 private XirTemplate buildArrayLength() { |
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162 XirOperand result = asm.restart(CiKind.Int); |
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163 XirParameter object = asm.createInputParameter("object", CiKind.Object); |
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164 asm.pload(CiKind.Int, result, object, asm.i(config.arrayLengthOffset), true); |
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165 return asm.finishTemplate("arrayLength"); |
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166 } |
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167 |
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168 private XirTemplate buildExceptionObject() { |
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169 asm.restart(); |
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170 XirOperand temp = asm.createRegister("temp (rax)", CiKind.Object, AMD64.rax); |
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171 return asm.finishTemplate(temp, "exception object"); |
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172 } |
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173 |
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174 private XirPair buildGetFieldTemplate(CiKind kind, boolean isStatic) { |
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175 final XirTemplate resolved; |
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176 final XirTemplate unresolved; |
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177 { |
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178 // resolved case |
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179 XirOperand result = asm.restart(kind); |
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180 XirParameter object = asm.createInputParameter("object", CiKind.Object); |
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181 XirParameter fieldOffset = asm.createConstantInputParameter("fieldOffset", CiKind.Int); |
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182 asm.pload(kind, result, object, fieldOffset, true); |
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183 resolved = asm.finishTemplate("getfield<" + kind + ">"); |
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184 } |
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185 if (isStatic) { |
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186 asm.restart(kind); |
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187 asm.shouldNotReachHere(); |
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188 |
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189 // XirParameter object = asm.createInputParameter("object", CiKind.Object); |
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190 // XirParameter guard = asm.createInputParameter("guard", CiKind.Object); |
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191 // XirOperand fieldOffset = asm.createTemp("fieldOffset", CiKind.Int); |
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192 // if (isStatic) { |
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193 // callRuntimeThroughStub(asm, "resolveGetStatic", fieldOffset, guard); |
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194 // } else { |
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195 // callRuntimeThroughStub(asm, "resolveGetField", fieldOffset, guard); |
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196 // } |
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197 // asm.pload(kind, result, object, fieldOffset, true); |
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198 |
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199 unresolved = asm.finishTemplate("getfield<" + kind + ">-unresolved"); |
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200 } else { |
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201 unresolved = null; |
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202 } |
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203 return new XirPair(resolved, unresolved); |
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204 } |
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205 |
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206 private XirPair buildPutFieldTemplate(CiKind kind, boolean genWriteBarrier, boolean isStatic) { |
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207 final XirTemplate resolved; |
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208 final XirTemplate unresolved; |
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209 { |
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210 // resolved case |
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211 asm.restart(CiKind.Void); |
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212 XirParameter object = asm.createInputParameter("object", CiKind.Object); |
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213 XirParameter value = asm.createInputParameter("value", kind); |
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214 XirParameter fieldOffset = asm.createConstantInputParameter("fieldOffset", CiKind.Int); |
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215 asm.pstore(kind, object, fieldOffset, value, true); |
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216 if (genWriteBarrier) { |
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217 // TODO write barrier |
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218 // addWriteBarrier(asm, object, value); |
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219 } |
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220 resolved = asm.finishTemplate("putfield<" + kind + ", " + genWriteBarrier + ">"); |
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221 } |
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222 if (isStatic) { |
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223 // unresolved case |
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224 asm.restart(CiKind.Void); |
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225 asm.shouldNotReachHere(); |
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226 |
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227 // XirParameter object = asm.createInputParameter("object", CiKind.Object); |
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228 // XirParameter value = asm.createInputParameter("value", kind); |
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229 // XirParameter guard = asm.createInputParameter("guard", CiKind.Object); |
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230 // XirOperand fieldOffset = asm.createTemp("fieldOffset", CiKind.Int); |
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231 // if (isStatic) { |
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232 // callRuntimeThroughStub(asm, "resolvePutStatic", fieldOffset, guard); |
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233 // } else { |
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234 // callRuntimeThroughStub(asm, "resolvePutField", fieldOffset, guard); |
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235 // } |
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236 // asm.pstore(kind, object, fieldOffset, value, true); |
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237 // if (genWriteBarrier) { |
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238 // addWriteBarrier(asm, object, value); |
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239 // } |
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240 |
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241 unresolved = asm.finishTemplate("putfield<" + kind + ", " + genWriteBarrier + ">-unresolved"); |
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242 } else { |
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243 unresolved = null; |
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244 } |
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245 return new XirPair(resolved, unresolved); |
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246 } |
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247 |
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248 private XirPair buildInstanceof(boolean nonnull) { |
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249 XirTemplate resolved; |
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250 XirTemplate unresolved; |
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251 { |
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252 XirOperand result = asm.restart(CiKind.Boolean); |
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253 |
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254 XirParameter object = asm.createInputParameter("object", CiKind.Object); |
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255 XirParameter hub = asm.createConstantInputParameter("hub", CiKind.Object); |
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256 XirOperand temp = asm.createTemp("temp", CiKind.Object); |
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257 XirLabel end = asm.createInlineLabel("end"); |
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258 XirLabel slow_path = asm.createOutOfLineLabel("slow path"); |
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259 |
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260 asm.mov(result, asm.b(false)); |
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261 if (!nonnull) { |
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262 // first check for null |
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263 asm.jeq(end, object, asm.o(null)); |
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264 } |
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265 asm.pload(CiKind.Object, temp, object, asm.i(config.hubOffset), !nonnull); |
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266 asm.mov(result, asm.b(true)); |
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267 asm.jneq(slow_path, temp, hub); |
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268 |
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269 asm.bindInline(end); |
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270 |
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271 asm.bindOutOfLine(slow_path); |
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272 asm.push(temp); |
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273 asm.push(hub); |
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274 asm.callRuntime(config.instanceofStub, result); |
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275 asm.pop(hub); |
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276 asm.pop(result); |
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277 asm.jmp(end); |
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278 resolved = asm.finishTemplate("instanceof-leaf<" + nonnull + ">"); |
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279 } |
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280 {/* |
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281 * // unresolved instanceof unresolved = buildUnresolvedInstanceOf(nonnull); |
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282 */ |
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283 asm.restart(CiKind.Boolean); |
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284 XirParameter object = asm.createInputParameter("object", CiKind.Object); |
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285 System.out.println(object); |
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286 asm.shouldNotReachHere(); |
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287 unresolved = asm.finishTemplate("instanceof-leaf<" + nonnull + ">"); |
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288 } |
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289 return new XirPair(resolved, unresolved); |
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290 } |
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291 |
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292 private XirTemplate buildArrayStore(CiKind kind, CiXirAssembler asm, boolean genBoundsCheck, boolean genStoreCheck, boolean genWriteBarrier) { |
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293 asm.restart(CiKind.Void); |
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294 XirParameter array = asm.createInputParameter("array", CiKind.Object); |
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295 XirParameter index = asm.createInputParameter("index", CiKind.Int); |
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296 XirParameter value = asm.createInputParameter("value", kind); |
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297 XirOperand length = asm.createTemp("length", CiKind.Int); |
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298 XirOperand temp = asm.createTemp("temp", CiKind.Word); |
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299 XirOperand valueHub = null; |
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300 XirOperand compHub = null; |
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301 XirLabel store = asm.createInlineLabel("store"); |
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302 XirLabel failBoundsCheck = null; |
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303 XirLabel slowStoreCheck = null; |
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304 if (genBoundsCheck) { |
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305 // load the array length and check the index |
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306 failBoundsCheck = asm.createOutOfLineLabel("failBoundsCheck"); |
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307 asm.pload(CiKind.Int, length, array, asm.i(config.arrayLengthOffset), true); |
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308 asm.jugteq(failBoundsCheck, index, length); |
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309 } |
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310 if (genStoreCheck) { |
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311 slowStoreCheck = asm.createOutOfLineLabel("slowStoreCheck"); |
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312 asm.jeq(store, value, asm.o(null)); // first check if value is null |
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313 valueHub = asm.createTemp("valueHub", CiKind.Object); |
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314 compHub = asm.createTemp("compHub", CiKind.Object); |
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315 asm.pload(CiKind.Object, compHub, array, asm.i(config.hubOffset), !genBoundsCheck); |
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316 asm.pload(CiKind.Object, compHub, compHub, asm.i(config.arrayClassElementOffset), false); |
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317 asm.pload(CiKind.Object, valueHub, value, asm.i(config.hubOffset), false); |
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318 asm.jneq(slowStoreCheck, compHub, valueHub); // then check component hub matches value hub |
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319 } |
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320 asm.bindInline(store); |
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321 int elemSize = target.sizeInBytes(kind); |
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322 asm.pstore(kind, array, index, value, config.getArrayOffset(kind), Scale.fromInt(elemSize), !genBoundsCheck && !genStoreCheck); |
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323 if (genWriteBarrier) { |
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324 // addWriteBarrier(asm, array, value); |
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325 } |
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326 if (genBoundsCheck) { |
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327 asm.bindOutOfLine(failBoundsCheck); |
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328 asm.shouldNotReachHere(); |
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329 // callRuntimeThroughStub(asm, "throwArrayIndexOutOfBoundsException", null, array, index); |
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330 } |
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331 if (genStoreCheck) { |
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332 asm.bindOutOfLine(slowStoreCheck); |
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333 asm.push(valueHub); |
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334 asm.push(compHub); |
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335 asm.callRuntime(config.instanceofStub, null); |
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336 asm.pop(temp); |
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337 asm.pop(temp); |
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338 asm.jneq(store, temp, asm.w(0)); |
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339 asm.shouldNotReachHere(); |
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340 asm.jmp(store); |
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341 } |
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342 return asm.finishTemplate("arraystore<" + kind + ">"); |
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343 } |
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344 |
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345 private XirTemplate buildArrayLoad(CiKind kind, CiXirAssembler asm, boolean genBoundsCheck) { |
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346 XirOperand result = asm.restart(kind); |
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347 XirParameter array = asm.createInputParameter("array", CiKind.Object); |
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348 XirParameter index = asm.createInputParameter("index", CiKind.Int); |
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349 XirOperand length = asm.createTemp("length", CiKind.Int); |
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350 XirLabel fail = null; |
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351 if (genBoundsCheck) { |
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352 // load the array length and check the index |
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353 fail = asm.createOutOfLineLabel("fail"); |
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354 asm.pload(CiKind.Int, length, array, asm.i(config.arrayLengthOffset), true); |
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355 asm.jugteq(fail, index, length); |
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356 } |
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357 int elemSize = target.sizeInBytes(kind); |
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358 asm.pload(kind, result, array, index, config.getArrayOffset(kind), Scale.fromInt(elemSize), !genBoundsCheck); |
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359 if (genBoundsCheck) { |
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360 asm.bindOutOfLine(fail); |
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361 asm.shouldNotReachHere(); |
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362 // callRuntimeThroughStub(asm, "throwArrayIndexOutOfBoundsException", null, array, index); |
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363 } |
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364 return asm.finishTemplate("arrayload<" + kind + ">"); |
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365 } |
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366 |
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367 private XirTemplate buildInvokeStatic() { |
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368 asm.restart(); |
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369 XirParameter addr = asm.createConstantInputParameter("addr", CiKind.Word); |
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370 |
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371 XirLabel stub = asm.createOutOfLineLabel("staticCallStub"); |
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372 |
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373 asm.bindOutOfLine(stub); |
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374 XirOperand method = asm.createRegister("method", CiKind.Word, AMD64.rbx); |
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375 asm.mark(MARK_STATIC_CALL_STUB, XirMark.CALLSITE); |
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376 asm.mov(method, asm.w(0l)); |
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377 XirLabel dummy = asm.createOutOfLineLabel("dummy"); |
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378 asm.jmp(dummy); |
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379 asm.bindOutOfLine(dummy); |
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380 |
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381 return asm.finishTemplate(addr, "invokestatic"); |
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382 } |
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383 |
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384 private XirTemplate buildInvokeSpecial() { |
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385 asm.restart(); |
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386 XirParameter addr = asm.createConstantInputParameter("addr", CiKind.Word); |
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387 |
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388 XirLabel stub = asm.createOutOfLineLabel("specialCallStub"); |
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389 |
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390 asm.bindOutOfLine(stub); |
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391 XirOperand method = asm.createRegister("method", CiKind.Word, AMD64.rbx); |
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392 asm.mark(MARK_STATIC_CALL_STUB, XirMark.CALLSITE); |
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393 asm.mov(method, asm.w(0l)); |
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394 XirLabel dummy = asm.createOutOfLineLabel("dummy"); |
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395 asm.jmp(dummy); |
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396 asm.bindOutOfLine(dummy); |
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397 |
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398 return asm.finishTemplate(addr, "invokespecial"); |
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399 } |
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400 |
1426 | 401 private XirTemplate buildNewInstance() { |
402 XirOperand result = asm.restart(CiKind.Word); | |
403 XirOperand type = asm.createInputParameter("type", CiKind.Object); | |
404 XirOperand instanceSize = asm.createConstantInputParameter("instance size", CiKind.Word); | |
405 | |
406 XirOperand thread = asm.createRegister("thread", CiKind.Word, AMD64.r15); | |
407 XirOperand temp1 = asm.createTemp("temp1", CiKind.Word); | |
408 XirOperand temp2 = asm.createTemp("temp2", CiKind.Word); | |
409 XirLabel tlabFull = asm.createOutOfLineLabel("tlab full"); | |
410 XirLabel resume = asm.createInlineLabel("resume"); | |
411 | |
412 asm.pload(CiKind.Word, result, thread, asm.i(config.threadTlabTopOffset), false); | |
413 asm.add(temp1, result, instanceSize); | |
414 asm.pload(CiKind.Word, temp2, thread, asm.i(config.threadTlabEndOffset), false); | |
415 | |
416 asm.jgt(tlabFull, temp1, temp2); | |
417 asm.pstore(CiKind.Word, thread, asm.i(config.threadTlabTopOffset), temp1, false); | |
418 asm.bindInline(resume); | |
419 | |
420 asm.pload(CiKind.Word, temp1, type, asm.i(config.instanceHeaderPrototypeOffset), false); | |
421 asm.pstore(CiKind.Word, result, temp1, false); | |
422 asm.pstore(CiKind.Object, result, asm.i(config.hubOffset), type, false); | |
423 | |
424 asm.bindOutOfLine(tlabFull); | |
425 XirOperand arg = asm.createRegister("runtime call argument", CiKind.Object, AMD64.rdx); | |
426 asm.mov(arg, type); | |
427 asm.callRuntime(config.newInstanceStub, result); | |
428 asm.jmp(resume); | |
429 | |
430 return asm.finishTemplate("new instance"); | |
431 } | |
432 | |
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433 @Override |
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434 public XirSnippet genArrayLength(XirSite site, XirArgument array) { |
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435 return new XirSnippet(arrayLengthTemplate, array); |
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436 } |
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437 |
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438 @Override |
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439 public XirSnippet genArrayLoad(XirSite site, XirArgument array, XirArgument index, XirArgument length, CiKind elementKind, RiType elementType) { |
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440 // TODO: emit different template if length is present |
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441 return new XirSnippet(arrayLoadTemplates[elementKind.ordinal()], array, index); |
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442 } |
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443 |
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444 @Override |
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445 public XirSnippet genArrayStore(XirSite site, XirArgument array, XirArgument index, XirArgument length, XirArgument value, CiKind elementKind, RiType elementType) { |
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446 // TODO: emit different template if length is present |
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447 return new XirSnippet(arrayStoreTemplates[elementKind.ordinal()], array, index, value); |
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448 } |
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449 |
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450 @Override |
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451 public XirSnippet genCheckCast(XirSite site, XirArgument receiver, XirArgument hub, RiType type) { |
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452 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]); |
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453 } |
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454 |
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455 @Override |
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456 public XirSnippet genPrologue(XirSite site, RiMethod method) { |
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457 boolean staticMethod = Modifier.isStatic(method.accessFlags()); |
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458 return new XirSnippet(staticMethod ? staticPrologueTemplate : prologueTemplate); |
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459 } |
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460 |
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461 @Override |
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462 public XirSnippet genEpilogue(XirSite site, RiMethod method) { |
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463 return new XirSnippet(epilogueTemplate); |
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464 } |
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465 |
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466 @Override |
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467 public XirSnippet genGetField(XirSite site, XirArgument receiver, RiField field) { |
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468 XirPair pair = getStaticFieldTemplates[field.kind().ordinal()]; |
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469 assert field.isResolved() : "getfield doesn't expect unresolved fields"; |
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470 XirArgument offset = XirArgument.forInt(((HotSpotField) field).offset()); |
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471 return new XirSnippet(pair.resolved, receiver, offset); |
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472 } |
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473 |
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474 @Override |
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475 public XirSnippet genGetStatic(XirSite site, XirArgument staticTuple, RiField field) { |
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476 XirPair pair = getStaticFieldTemplates[field.kind().ordinal()]; |
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477 if (field.isResolved()) { |
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478 XirArgument offset = XirArgument.forInt(((HotSpotField) field).offset()); |
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479 return new XirSnippet(pair.resolved, staticTuple, offset); |
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480 } |
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481 return new XirSnippet(pair.unresolved, staticTuple, null); |
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482 } |
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483 |
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484 @Override |
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485 public XirSnippet genPutField(XirSite site, XirArgument receiver, RiField field, XirArgument value) { |
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486 XirPair pair = putFieldTemplates[field.kind().ordinal()]; |
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487 assert field.isResolved() : "putfield doesn't expect unresolved fields"; |
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488 XirArgument offset = XirArgument.forInt(((HotSpotField) field).offset()); |
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489 return new XirSnippet(pair.resolved, receiver, value, offset); |
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490 } |
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491 |
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492 @Override |
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493 public XirSnippet genPutStatic(XirSite site, XirArgument staticTuple, RiField field, XirArgument value) { |
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494 XirPair pair = putFieldTemplates[field.kind().ordinal()]; |
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495 if (field.isResolved()) { |
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496 XirArgument offset = XirArgument.forInt(((HotSpotField) field).offset()); |
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497 return new XirSnippet(pair.resolved, staticTuple, value, offset); |
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498 } |
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499 return new XirSnippet(pair.unresolved, staticTuple, value); |
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500 } |
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|
501 |
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502 @Override |
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503 public XirSnippet genInstanceOf(XirSite site, XirArgument receiver, XirArgument hub, RiType type) { |
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504 if (type.isResolved()) { |
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505 return new XirSnippet(instanceofTemplate.resolved, receiver, hub); |
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506 } |
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507 // XirArgument guard = guardFor(type, ResolveClass.SNIPPET); |
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508 return new XirSnippet(instanceofTemplate.unresolved, receiver); |
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509 } |
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|
510 |
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511 @Override |
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512 public XirSnippet genIntrinsic(XirSite site, XirArgument[] arguments, RiMethod method) { |
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513 return null; |
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514 } |
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515 |
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516 @Override |
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517 public XirSnippet genInvokeInterface(XirSite site, XirArgument receiver, RiMethod method) { |
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518 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]); |
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519 } |
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|
520 |
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521 @Override |
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522 public XirSnippet genInvokeSpecial(XirSite site, XirArgument receiver, RiMethod method) { |
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523 return new XirSnippet(invokeSpecialTemplate, XirArgument.forWord(0)); |
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524 } |
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|
525 |
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526 @Override |
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527 public XirSnippet genInvokeStatic(XirSite site, RiMethod method) { |
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528 return new XirSnippet(invokeStaticTemplate, XirArgument.forWord(0)); |
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529 } |
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530 |
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531 @Override |
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532 public XirSnippet genInvokeVirtual(XirSite site, XirArgument receiver, RiMethod method) { |
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533 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]); |
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534 } |
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|
535 |
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536 @Override |
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537 public XirSnippet genMonitorEnter(XirSite site, XirArgument receiver) { |
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538 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]); |
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539 } |
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|
540 |
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|
541 @Override |
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542 public XirSnippet genMonitorExit(XirSite site, XirArgument receiver) { |
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543 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]); |
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544 } |
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545 |
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546 @Override |
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547 public XirSnippet genNewArray(XirSite site, XirArgument length, CiKind elementKind, RiType componentType, RiType arrayType) { |
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548 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]); |
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549 } |
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550 |
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551 @Override |
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552 public XirSnippet genNewInstance(XirSite site, RiType type) { |
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553 assert type instanceof HotSpotTypeResolved; |
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554 HotSpotTypeResolved resolved = (HotSpotTypeResolved) type; |
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555 return new XirSnippet(newInstanceTemplate, XirArgument.forObject(type), XirArgument.forWord(resolved.instanceSize())); |
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556 } |
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557 |
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558 @Override |
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559 public XirSnippet genNewMultiArray(XirSite site, XirArgument[] lengths, RiType type) { |
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560 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]); |
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561 } |
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562 |
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563 @Override |
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564 public XirSnippet genResolveClass(XirSite site, RiType type, Representation representation) { |
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565 XirOperand result = asm.restart(CiKind.Object); |
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566 if (type.isResolved()) { |
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567 asm.mov(result, asm.o(type)); |
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568 return new XirSnippet(asm.finishTemplate("resolve class")); |
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569 } |
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570 asm.shouldNotReachHere(); |
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571 return new XirSnippet(asm.finishTemplate("resolve class")); |
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572 |
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573 } |
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574 |
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575 @Override |
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576 public XirSnippet genSafepoint(XirSite site) { |
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577 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]); |
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578 } |
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579 |
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580 @Override |
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581 public XirSnippet genExceptionObject(XirSite site) { |
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582 return new XirSnippet(exceptionObjectTemplate); |
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583 } |
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584 |
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585 } |