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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotReplacementsImpl.java @ 13132:922dd1415c0a

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Commit pass target as a parameter to ReplacementImpl, so that it does not require a CodeCacheProvider
author Christian Wimmer <christian.wimmer@oracle.com>
date Fri, 22 Nov 2013 12:17:53 -0800
parents ad2434911b69
children 805a904eae8f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2013, 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;
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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.graal.api.code.*;
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.hotspot.meta.*;
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30 import com.oracle.graal.hotspot.replacements.*;
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31 import com.oracle.graal.nodes.*;
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32 import com.oracle.graal.phases.util.*;
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33 import com.oracle.graal.replacements.*;
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34
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35 /**
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36 * Filters certain method substitutions based on whether there is underlying hardware support for
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37 * them.
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38 */
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39 public class HotSpotReplacementsImpl extends ReplacementsImpl {
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40
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41 private final HotSpotVMConfig config;
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42
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922dd1415c0a Commit pass target as a parameter to ReplacementImpl, so that it does not require a CodeCacheProvider
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43 public HotSpotReplacementsImpl(Providers providers, HotSpotVMConfig config, Assumptions assumptions, TargetDescription target) {
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44 super(providers, assumptions, target);
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45 this.config = config;
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46 }
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47
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48 @Override
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49 protected ResolvedJavaMethod registerMethodSubstitution(Member originalMethod, Method substituteMethod) {
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50 if (substituteMethod.getDeclaringClass().getDeclaringClass() == BoxingSubstitutions.class) {
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51 if (config.useHeapProfiler) {
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52 return null;
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53 }
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54 } else if (substituteMethod.getDeclaringClass() == IntegerSubstitutions.class || substituteMethod.getDeclaringClass() == LongSubstitutions.class) {
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55 if (substituteMethod.getName().equals("bitCount")) {
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56 if (!config.usePopCountInstruction) {
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57 return null;
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58 }
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59 }
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60 } else if (substituteMethod.getDeclaringClass() == AESCryptSubstitutions.class || substituteMethod.getDeclaringClass() == CipherBlockChainingSubstitutions.class) {
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61 if (!config.useAESIntrinsics) {
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62 return null;
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63 }
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64 assert config.aescryptEncryptBlockStub != 0L;
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65 assert config.aescryptDecryptBlockStub != 0L;
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66 assert config.cipherBlockChainingEncryptAESCryptStub != 0L;
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67 assert config.cipherBlockChainingDecryptAESCryptStub != 0L;
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68 } else if (substituteMethod.getDeclaringClass() == CRC32Substitutions.class) {
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69 if (!config.useCRC32Intrinsics) {
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70 return null;
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71 }
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72 }
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73 return super.registerMethodSubstitution(originalMethod, substituteMethod);
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74 }
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75
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76 @Override
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77 public Class<? extends FixedWithNextNode> getMacroSubstitution(ResolvedJavaMethod method) {
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78 HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) method;
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79 int intrinsicId = hsMethod.intrinsicId();
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80 if (intrinsicId != 0) {
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81 if (intrinsicId == config.vmIntrinsicInvokeBasic) {
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82 return MethodHandleInvokeBasicNode.class;
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83 } else if (intrinsicId == config.vmIntrinsicLinkToInterface) {
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84 return MethodHandleLinkToInterfaceNode.class;
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85 } else if (intrinsicId == config.vmIntrinsicLinkToSpecial) {
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86 return MethodHandleLinkToSpecialNode.class;
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87 } else if (intrinsicId == config.vmIntrinsicLinkToStatic) {
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88 return MethodHandleLinkToStaticNode.class;
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89 } else if (intrinsicId == config.vmIntrinsicLinkToVirtual) {
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90 return MethodHandleLinkToVirtualNode.class;
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91 }
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92 }
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93 return super.getMacroSubstitution(method);
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94 }
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95 }