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annotate graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/ArrayCopyIntrinsificationTest.java @ 15020:22390f39dfb1

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moved some entries in CHANGELOG.md from 0.2 to tip
author Doug Simon <doug.simon@oracle.com>
date Tue, 08 Apr 2014 15:06:24 +0200
parents 23ccaa863eda
children 688f84e397a3
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1 /*
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2 * Copyright (c) 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.oracle.graal.hotspot.test;
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24
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25 import static org.junit.Assert.*;
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26
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27 import java.lang.reflect.*;
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28 import java.util.*;
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29
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30 import org.junit.*;
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31
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32 import com.oracle.graal.api.code.*;
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33 import com.oracle.graal.api.meta.*;
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34 import com.oracle.graal.compiler.test.*;
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35 import com.oracle.graal.graph.*;
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36 import com.oracle.graal.nodes.*;
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37
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38 /**
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39 * Tests intrinsification of {@link System#arraycopy(Object, int, Object, int, int)}.
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40 */
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41 public class ArrayCopyIntrinsificationTest extends GraalCompilerTest {
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42
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43 @Override
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44 protected InstalledCode getCode(ResolvedJavaMethod method, StructuredGraph graph) {
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45 int nodeCount = graph.getNodeCount();
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46 InstalledCode result = super.getCode(method, graph);
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47 boolean graphWasProcessed = nodeCount != graph.getNodeCount();
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48 if (graphWasProcessed) {
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49 if (mustIntrinsify) {
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50 for (Node node : graph.getNodes()) {
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51 if (node instanceof Invoke) {
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52 Invoke invoke = (Invoke) node;
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53 Assert.assertTrue(invoke.callTarget() instanceof DirectCallTargetNode);
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54 LoweredCallTargetNode directCall = (LoweredCallTargetNode) invoke.callTarget();
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55 JavaMethod callee = directCall.target();
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56 Assert.assertTrue(callee.getName().equals("<init>"));
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57 Assert.assertTrue(getMetaAccess().lookupJavaType(ArrayIndexOutOfBoundsException.class).equals(callee.getDeclaringClass()) ||
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58 getMetaAccess().lookupJavaType(NullPointerException.class).equals(callee.getDeclaringClass()));
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59 }
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60 }
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61 } else {
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62 boolean found = false;
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63 for (Node node : graph.getNodes()) {
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64 if (node instanceof Invoke) {
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65 Invoke invoke = (Invoke) node;
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66 LoweredCallTargetNode directCall = (LoweredCallTargetNode) invoke.callTarget();
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67 JavaMethod callee = directCall.target();
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68 if (callee.getDeclaringClass().equals(getMetaAccess().lookupJavaType(System.class)) && callee.getName().equals("arraycopy")) {
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69 found = true;
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70 } else {
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71 fail("found invoke to some method other than arraycopy: " + callee);
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72 }
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73 }
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74 }
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75 Assert.assertTrue("did not find invoke to arraycopy", found);
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76 }
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77 }
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78 return result;
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79 }
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80
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81 boolean mustIntrinsify = true;
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82
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83 @Test
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84 public void test0() {
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85 mustIntrinsify = false; // a generic call to arraycopy will not be intrinsified
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86 // Array store checks
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87 test("genericArraycopy", new Object(), 0, new Object[0], 0, 0);
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88 test("genericArraycopy", new Object[0], 0, new Object(), 0, 0);
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89
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90 mustIntrinsify = true;
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91 }
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92
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93 @Test
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94 public void test1() {
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95 String name = "intArraycopy";
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96 int[] src = {234, 5345, 756, 23, 8, 345, 873, 440};
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97 // Null checks
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98 test(name, null, 0, src, 0, 0);
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99 test(name, src, 0, null, 0, 0);
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100 // Bounds checks
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101 test(name, src, 0, src, 0, -1);
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102 test(name, src, 0, src, 0, src.length + 1);
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103 }
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104
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105 @Test
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106 public void testByte() {
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107 byte[] src = {-1, 0, 1, 2, 3, 4};
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108 testHelper("byteArraycopy", src);
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109 }
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110
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111 @Test
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112 public void testChar() {
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113 char[] src = "some string of chars".toCharArray();
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114 testHelper("charArraycopy", src);
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115 }
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116
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117 @Test
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118 public void testShort() {
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119 short[] src = {234, 5345, 756, 23, 8, 345, 873, 440};
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120 testHelper("shortArraycopy", src);
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121 }
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122
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123 @Test
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124 public void testInt() {
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125 int[] src = {234, 5345, 756, 23, 8, 345, 873, 440};
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126 testHelper("intArraycopy", src);
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127 }
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128
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129 @Test
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130 public void testFloat() {
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131 float[] src = {234, 5345, 756, 23, 8, 345, 873, 440};
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132 testHelper("floatArraycopy", src);
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133 }
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134
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135 @Test
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136 public void testLong() {
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137 long[] src = {234, 5345, 756, 23, 8, 345, 873, 440};
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138 testHelper("longArraycopy", src);
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139 }
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140
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141 @Test
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142 public void testDouble() {
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143 double[] src = {234, 5345, 756, 23, 8, 345, 873, 440};
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144 testHelper("doubleArraycopy", src);
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145 }
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146
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147 @Test
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148 public void testObject() {
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149 mustIntrinsify = false; // a generic call to arraycopy will not be intrinsified
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150
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151 Object[] src = {"one", "two", "three", new ArrayList<>(), new HashMap<>()};
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152 testHelper("objectArraycopy", src);
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153
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154 mustIntrinsify = true;
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155 }
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156
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157 @Test
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158 public void testObjectExact() {
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159 Integer[] src = {1, 2, 3, 4};
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160 testHelper("objectArraycopyExact", src);
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161 }
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162
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163 private static Object newArray(Object proto, int length) {
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164 assert proto != null;
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165 assert proto.getClass().isArray();
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166 return Array.newInstance(proto.getClass().getComponentType(), length);
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167 }
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168
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169 private void testHelper(String name, Object src) {
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170 int srcLength = Array.getLength(src);
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171
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172 // Complete array copy
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173 test(name, src, 0, newArray(src, srcLength), 0, srcLength);
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174
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175 for (int length : new int[]{0, 1, srcLength - 1, srcLength}) {
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176 // Partial array copying
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177 test(name, src, 0, newArray(src, length), 0, length);
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178 test(name, src, srcLength - length, newArray(src, length), 0, length);
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179 test(name, src, 0, newArray(src, srcLength), 0, length);
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180 }
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181 }
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182
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183 public static Object genericArraycopy(Object src, int srcPos, Object dst, int dstPos, int length) {
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184 System.arraycopy(src, srcPos, dst, dstPos, length);
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185 return dst;
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186 }
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187
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188 public static Object[] objectArraycopy(Object[] src, int srcPos, Object[] dst, int dstPos, int length) {
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189 System.arraycopy(src, srcPos, dst, dstPos, length);
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190 return dst;
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191 }
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192
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193 public static Object[] objectArraycopyExact(Integer[] src, int srcPos, Integer[] dst, int dstPos, int length) {
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194 System.arraycopy(src, srcPos, dst, dstPos, length);
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195 return dst;
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196 }
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197
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198 public static boolean[] booleanArraycopy(boolean[] src, int srcPos, boolean[] dst, int dstPos, int length) {
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199 System.arraycopy(src, srcPos, dst, dstPos, length);
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200 return dst;
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201 }
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202
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203 public static byte[] byteArraycopy(byte[] src, int srcPos, byte[] dst, int dstPos, int length) {
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204 System.arraycopy(src, srcPos, dst, dstPos, length);
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205 return dst;
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206 }
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207
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208 public static char[] charArraycopy(char[] src, int srcPos, char[] dst, int dstPos, int length) {
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209 System.arraycopy(src, srcPos, dst, dstPos, length);
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210 return dst;
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211 }
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212
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213 public static short[] shortArraycopy(short[] src, int srcPos, short[] dst, int dstPos, int length) {
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214 System.arraycopy(src, srcPos, dst, dstPos, length);
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215 return dst;
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216 }
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217
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218 public static int[] intArraycopy(int[] src, int srcPos, int[] dst, int dstPos, int length) {
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219 System.arraycopy(src, srcPos, dst, dstPos, length);
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220 return dst;
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221 }
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222
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223 public static float[] floatArraycopy(float[] src, int srcPos, float[] dst, int dstPos, int length) {
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224 System.arraycopy(src, srcPos, dst, dstPos, length);
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225 return dst;
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226 }
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227
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228 public static long[] longArraycopy(long[] src, int srcPos, long[] dst, int dstPos, int length) {
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229 System.arraycopy(src, srcPos, dst, dstPos, length);
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230 return dst;
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231 }
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232
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233 public static double[] doubleArraycopy(double[] src, int srcPos, double[] dst, int dstPos, int length) {
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234 System.arraycopy(src, srcPos, dst, dstPos, length);
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235 return dst;
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236 }
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237
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238 }