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annotate graal/GraalCompiler/src/com/sun/c1x/C1XIntrinsic.java @ 2509:16b9a8b5ad39

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Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:50:44 +0200
parents graal/Compiler/src/com/sun/c1x/C1XIntrinsic.java@9ec15d6914ca
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2507
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1 /*
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.c1x;
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24
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25 import java.util.*;
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26
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27 import com.sun.cri.ci.*;
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28 import com.sun.cri.ri.*;
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29
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30 /**
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31 * This enum represents all of the intrinsics, i.e. a library methods that
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32 * are treated specially by the compiler. Note that the list includes more intrinsics
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33 * than are currently handled by C1X.
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34 *
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35 * @author Ben L. Titzer
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36 */
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37 public enum C1XIntrinsic {
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38
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39 // java.lang.Object
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40 java_lang_Object$init ("java.lang.Object", "<init>", "()V"),
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41 java_lang_Object$hashCode ("java.lang.Object", "hashCode", "()I"),
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42 java_lang_Object$getClass ("java.lang.Object", "getClass", "()Ljava/lang/Class;"),
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43 java_lang_Object$clone ("java.lang.Object", "clone", "()Ljava/lang/Object;"),
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44
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45 // java.lang.Class
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46 java_lang_Class$isAssignableFrom ("java.lang.Class", "isAssignableFrom", "(Ljava/lang/Class;)Z"),
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47 java_lang_Class$isInstance ("java.lang.Class", "isInstance", "(Ljava/lang/Object;)Z"),
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48 java_lang_Class$getModifiers ("java.lang.Class", "getModifiers", "()I"),
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49 java_lang_Class$isInterface ("java.lang.Class", "isInterface", "()Z"),
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50 java_lang_Class$isArray ("java.lang.Class", "isArray", "()Z"),
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51 java_lang_Class$isPrimitive ("java.lang.Class", "isPrimitive", "()Z"),
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52 java_lang_Class$getSuperclass ("java.lang.Class", "getSuperclass", "()Ljava/lang/Class;"),
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53 java_lang_Class$getComponentType ("java.lang.Class", "getComponentType", "()Ljava/lang/Class;"),
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54
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55 // java.util.Arrays
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56 java_util_Arrays$copyOf ("java.util.Arrays", "copyOf", "([Ljava/lang/Object;I)[Ljava/lang/Object;"),
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57
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58 // java.lang.String
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59 java_lang_String$compareTo ("java.lang.String", "compareTo", "(Ljava/lang/String;)I"),
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60 java_lang_String$indexOf ("java.lang.String", "indexOf", "(Ljava/lang/String;)I"),
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61 java_lang_String$equals ("java.lang.String", "equals", "(Ljava/lang/Object;)Z"),
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62
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63 // java.lang.Math
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64 java_lang_Math$abs ("java.lang.Math", "abs", "(D)D"),
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65 java_lang_Math$sin ("java.lang.Math", "sin", "(D)D"),
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66 java_lang_Math$cos ("java.lang.Math", "cos", "(D)D"),
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67 java_lang_Math$tan ("java.lang.Math", "tan", "(D)D"),
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68 java_lang_Math$atan2 ("java.lang.Math", "atan2", "(DD)D"),
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69 java_lang_Math$sqrt ("java.lang.Math", "sqrt", "(D)D"),
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70 java_lang_Math$log ("java.lang.Math", "log", "(D)D"),
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71 java_lang_Math$log10 ("java.lang.Math", "log10", "(D)D"),
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72 java_lang_Math$pow ("java.lang.Math", "pow", "(DD)D"),
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73 java_lang_Math$exp ("java.lang.Math", "exp", "(D)D"),
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74 java_lang_Math$min ("java.lang.Math", "min", "(II)I"),
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75 java_lang_Math$max ("java.lang.Math", "max", "(II)I"),
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76
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77 // java.lang.Float
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78 java_lang_Float$floatToRawIntBits ("java.lang.Float", "floatToRawIntBits", "(F)I"),
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79 java_lang_Float$floatToIntBits ("java.lang.Float", "floatToIntBits", "(F)I"),
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80 java_lang_Float$intBitsToFloat ("java.lang.Float", "intBitsToFloat", "(I)F"),
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81
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82 // java.lang.Double
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83 java_lang_Double$doubleToRawLongBits ("java.lang.Double", "doubleToRawLongBits", "(D)J"),
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84 java_lang_Double$doubleToLongBits ("java.lang.Double", "doubleToLongBits", "(D)J"),
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85 java_lang_Double$longBitsToDouble ("java.lang.Double", "longBitsToDouble", "(J)D"),
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86
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87 // java.lang.Integer
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88 java_lang_Integer$bitCount ("java.lang.Integer", "bitCount", "(I)I"),
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89 java_lang_Integer$reverseBytes ("java.lang.Integer", "reverseBytes", "(I)I"),
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90
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91 // java.lang.Long
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92 java_lang_Long$bitCount ("java.lang.Long", "bitCount", "(J)I"),
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93 java_lang_Long$reverseBytes ("java.lang.Long", "reverseBytes", "(J)J"),
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94
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95 // java.lang.System
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96 java_lang_System$identityHashCode ("java.lang.System", "identityHashCode", "(Ljava/lang/Object;)I"),
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97 java_lang_System$currentTimeMillis ("java.lang.System", "currentTimeMillis", "()J"),
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98 java_lang_System$nanoTime ("java.lang.System", "nanoTime", "()J"),
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99 java_lang_System$arraycopy ("java.lang.System", "arraycopy", "(Ljava/lang/Object;ILjava/lang/Object;II)V"),
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100
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101 // java.lang.Thread
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102 java_lang_Thread$currentThread ("java.lang.Thread", "currentThread", "()Ljava/lang/Thread;"),
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103
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104 // java.lang.reflect.Array
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105 java_lang_reflect_Array$getLength ("java.lang.reflect.Array", "getLength", "(Ljava/lang/Object;)I"),
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106 java_lang_reflect_Array$newArray ("java.lang.reflect.Array", "newArray", "(Ljava/lang/Class;I)Ljava/lang/Object;"),
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107
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108 // java.nio.Buffer
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109 java_nio_Buffer$checkIndex ("java.nio.Buffer", "checkIndex", "(I)I"),
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110
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111 // sun.misc.Unsafe
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112 sun_misc_Unsafe$compareAndSwapObject ("sun.misc.Unsafe", "compareAndSwapObject", "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z"),
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113 sun_misc_Unsafe$compareAndSwapLong ("sun.misc.Unsafe", "compareAndSwapLong", "(Ljava/lang/Object;JJJ)Z"),
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114 sun_misc_Unsafe$compareAndSwapInt ("sun.misc.Unsafe", "compareAndSwapInt", "(Ljava/lang/Object;JII)Z");
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115
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116 private static final HashMap<String, HashMap<String, C1XIntrinsic>> intrinsicMap = new HashMap<String, HashMap<String, C1XIntrinsic>>(100);
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117
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118 /**
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119 * The name of the class in which this method is declared.
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120 */
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121 public final String className;
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122
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123 /**
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124 * The name of this intrinsic method.
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125 */
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126 public final String methodName;
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127
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128 /**
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129 * The signature of this intrinsic method as a string.
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130 */
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131 public final String signature;
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132
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133 C1XIntrinsic(String className, String methodName, String signature) {
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134 // Check that enum names are according to convention.
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135 assert className.equals(name().substring(0, name().indexOf('$')).replace('_', '.'));
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136 assert methodName.equals("<init>") || methodName.equals(name().substring(name().indexOf('$') + 1));
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137 this.methodName = methodName;
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138 this.className = className;
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139 this.signature = signature;
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140 }
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141
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142 static {
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143 // iterate through all the intrinsics and add them to the map
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144 for (C1XIntrinsic i : C1XIntrinsic.values()) {
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145 // note that the map uses internal names to map lookup faster
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146 String className = CiUtil.toInternalName(i.className);
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147 HashMap<String, C1XIntrinsic> map = intrinsicMap.get(className);
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148 if (map == null) {
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149 map = new HashMap<String, C1XIntrinsic>();
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150 intrinsicMap.put(className, map);
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151 }
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152 map.put(i.methodName + i.signature, i);
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153 }
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154 }
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155
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156 /**
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157 * Looks up an intrinsic for the specified method.
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158 * @param method the compiler interface method
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159 * @return a reference to the intrinsic for the method, if the method is an intrinsic
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160 * (and is loaded); {@code null} otherwise
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161 */
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162 public static C1XIntrinsic getIntrinsic(RiMethod method) {
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163 RiType holder = method.holder();
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164 if (method.isResolved() && holder.isResolved() && holder.isInitialized()) {
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165 // note that the map uses internal names to make lookup faster
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166 HashMap<String, C1XIntrinsic> map = intrinsicMap.get(holder.name());
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167 if (map != null) {
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168 C1XIntrinsic result = map.get(method.name() + method.signature().asString());
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169 return result;
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170 }
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171 }
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172 return null;
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173 }
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174 }