Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerFactory.java @ 24155:88bd5f7522a1 jvmci-0.30
update hgignore and undo change to hotspot/.project
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 07 Jul 2017 15:08:58 +0200 |
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1 /* |
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2 * Copyright (c) 2016, 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 jdk.vm.ci.hotspot; |
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24 |
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25 import jdk.vm.ci.runtime.JVMCICompilerFactory; |
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26 |
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27 /** |
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28 * HotSpot extensions to {@link JVMCICompilerFactory}. |
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29 */ |
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30 public abstract class HotSpotJVMCICompilerFactory implements JVMCICompilerFactory { |
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31 |
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32 /** |
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33 * Gets 0 or more prefixes identifying classes that should by compiled by C1 in simple mode |
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34 * (i.e., {@code CompLevel_simple}) when HotSpot is running with tiered compilation. The |
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35 * prefixes should be class or package names using "/" as the separator, e.g. "jdk/vm/ci". |
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36 * |
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37 * @return 0 or more Strings identifying packages that should by compiled by the first tier only |
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38 * or null if no redirection to C1 should be performed. |
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39 */ |
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40 public String[] getTrivialPrefixes() { |
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41 return null; |
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42 } |
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43 |
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44 public enum CompilationLevelAdjustment { |
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45 /** |
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46 * No adjustment. |
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47 */ |
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48 None, |
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49 |
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50 /** |
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51 * Adjust based on declaring class of method. |
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52 */ |
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53 ByHolder, |
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54 |
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55 /** |
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56 * Adjust based on declaring class, name and signature of method. |
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57 */ |
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58 ByFullSignature |
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59 } |
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60 |
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61 /** |
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62 * Determines if this object may want to adjust the compilation level for a method that is being |
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63 * scheduled by the VM for compilation. |
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64 */ |
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65 public CompilationLevelAdjustment getCompilationLevelAdjustment() { |
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66 return CompilationLevelAdjustment.None; |
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67 } |
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68 |
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69 public enum CompilationLevel { |
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70 None, |
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71 Simple, |
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72 LimitedProfile, |
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73 FullProfile, |
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74 FullOptimization |
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75 } |
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76 |
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77 /** |
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78 * Potentially modifies the compilation level currently selected by the VM compilation policy |
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79 * for a method. |
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80 * |
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81 * @param declaringClass the class in which the method is declared |
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82 * @param name the name of the method or {@code null} depending on the value that was returned |
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83 * by {@link #getCompilationLevelAdjustment()} |
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84 * @param signature the signature of the method or {@code null} depending on the value that was |
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85 * returned by {@link #getCompilationLevelAdjustment()} |
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86 * @param isOsr specifies if the compilation being scheduled in an OSR compilation |
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87 * @param level the compilation level currently selected by the VM compilation policy |
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88 * @return the compilation level to use for the compilation being scheduled (must be a valid |
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89 * {@code CompLevel} enum value) |
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90 */ |
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91 public CompilationLevel adjustCompilationLevel(Class<?> declaringClass, String name, String signature, boolean isOsr, CompilationLevel level) { |
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92 throw new InternalError("Should not reach here"); |
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93 } |
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94 } |