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annotate graal/com.oracle.max.graal.hotspot/src/com/oracle/graal/hotspot/snippets/IntrinsifyArrayCopyPhase.java @ 5060:4ed4295ce15f

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Update import statements.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 08 Mar 2012 19:11:12 +0100
parents ed559a528128
children
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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.snippets;
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24
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25 import java.lang.reflect.*;
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26
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27 import com.oracle.max.cri.ci.*;
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28 import com.oracle.max.cri.ri.*;
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29 import com.oracle.graal.compiler.*;
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30 import com.oracle.graal.compiler.phases.*;
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31 import com.oracle.graal.compiler.util.*;
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32 import com.oracle.graal.cri.*;
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33 import com.oracle.graal.debug.*;
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34 import com.oracle.graal.graph.*;
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35 import com.oracle.graal.nodes.*;
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36 import com.oracle.graal.nodes.java.*;
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37
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38 public class IntrinsifyArrayCopyPhase extends Phase {
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39 private final GraalRuntime runtime;
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40 private RiResolvedMethod arrayCopy;
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41 private RiResolvedMethod byteArrayCopy;
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42 private RiResolvedMethod shortArrayCopy;
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43 private RiResolvedMethod charArrayCopy;
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44 private RiResolvedMethod intArrayCopy;
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45 private RiResolvedMethod longArrayCopy;
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46 private RiResolvedMethod floatArrayCopy;
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47 private RiResolvedMethod doubleArrayCopy;
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48 private RiResolvedMethod objectArrayCopy;
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49
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50 public IntrinsifyArrayCopyPhase(GraalRuntime runtime) {
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51 this.runtime = runtime;
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52 try {
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53 byteArrayCopy = getArrayCopySnippet(runtime, byte.class);
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54 charArrayCopy = getArrayCopySnippet(runtime, char.class);
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55 shortArrayCopy = getArrayCopySnippet(runtime, short.class);
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56 intArrayCopy = getArrayCopySnippet(runtime, int.class);
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57 longArrayCopy = getArrayCopySnippet(runtime, long.class);
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58 floatArrayCopy = getArrayCopySnippet(runtime, float.class);
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59 doubleArrayCopy = getArrayCopySnippet(runtime, double.class);
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60 objectArrayCopy = getArrayCopySnippet(runtime, Object.class);
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61 arrayCopy = runtime.getRiMethod(System.class.getDeclaredMethod("arraycopy", Object.class, int.class, Object.class, int.class, int.class));
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62 } catch (SecurityException e) {
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63 e.printStackTrace();
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64 } catch (NoSuchMethodException e) {
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65 e.printStackTrace();
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66 }
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67 }
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68
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69 private static RiResolvedMethod getArrayCopySnippet(RiRuntime runtime, Class<?> componentClass) throws NoSuchMethodException {
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70 Class<?> arrayClass = Array.newInstance(componentClass, 0).getClass();
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71 return runtime.getRiMethod(ArrayCopySnippets.class.getDeclaredMethod("arraycopy", arrayClass, int.class, arrayClass, int.class, int.class));
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72 }
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73
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74 @Override
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75 protected void run(StructuredGraph graph) {
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76 boolean hits = false;
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77 for (MethodCallTargetNode methodCallTarget : graph.getNodes(MethodCallTargetNode.class)) {
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78 RiResolvedMethod targetMethod = methodCallTarget.targetMethod();
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79 RiResolvedMethod snippetMethod = null;
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80 if (targetMethod == arrayCopy) {
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81 ValueNode src = methodCallTarget.arguments().get(0);
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82 ValueNode dest = methodCallTarget.arguments().get(2);
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83 assert src != null && dest != null;
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84 RiResolvedType srcDeclaredType = src.declaredType();
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85 RiResolvedType destDeclaredType = dest.declaredType();
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86 if (srcDeclaredType != null
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87 && srcDeclaredType.isArrayClass()
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88 && destDeclaredType != null
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89 && destDeclaredType.isArrayClass()) {
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90 CiKind componentKind = srcDeclaredType.componentType().kind(false);
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91 if (srcDeclaredType.componentType() == destDeclaredType.componentType()) {
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92 if (componentKind == CiKind.Int) {
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93 snippetMethod = intArrayCopy;
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94 } else if (componentKind == CiKind.Char) {
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95 snippetMethod = charArrayCopy;
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96 } else if (componentKind == CiKind.Long) {
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97 snippetMethod = longArrayCopy;
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98 } else if (componentKind == CiKind.Byte) {
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99 snippetMethod = byteArrayCopy;
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100 } else if (componentKind == CiKind.Short) {
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101 snippetMethod = shortArrayCopy;
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102 } else if (componentKind == CiKind.Float) {
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103 snippetMethod = floatArrayCopy;
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104 } else if (componentKind == CiKind.Double) {
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105 snippetMethod = doubleArrayCopy;
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106 } else if (componentKind == CiKind.Object) {
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107 snippetMethod = objectArrayCopy;
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108 }
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109 } else if (componentKind == CiKind.Object
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110 && srcDeclaredType.componentType().isSubtypeOf(destDeclaredType.componentType())) {
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111 snippetMethod = objectArrayCopy;
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112 }
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113 }
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114 }
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115
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116 if (snippetMethod != null) {
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117 StructuredGraph snippetGraph = (StructuredGraph) snippetMethod.compilerStorage().get(Graph.class);
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118 assert snippetGraph != null : "ArrayCopySnippets should be installed";
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119 hits = true;
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120 Debug.log("%s > Intinsify (%s)", Debug.currentScope(), snippetMethod.signature().argumentTypeAt(0, snippetMethod.holder()).componentType());
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121 InliningUtil.inline(methodCallTarget.invoke(), snippetGraph, false);
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122 }
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123 }
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124 if (GraalOptions.OptCanonicalizer && hits) {
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125 new CanonicalizerPhase(null, runtime, null).apply(graph);
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126 }
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e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
127 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
128 }