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annotate test/compiler/testlibrary/sha/predicate/IntrinsicPredicates.java @ 21784:f4e1d958f1c3

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[AMD64] Create AMD64 specific address nodes.
author Roland Schatz <roland.schatz@oracle.com>
date Mon, 08 Jun 2015 19:19:45 +0200
parents 4d8781a35525
children
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1 /*
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2 * Copyright (c) 2014, 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
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24 package sha.predicate;
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25
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26 import com.oracle.java.testlibrary.Platform;
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27 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
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28 import com.oracle.java.testlibrary.cli.predicate.CPUSpecificPredicate;
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29 import com.oracle.java.testlibrary.cli.predicate.OrPredicate;
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30 import sun.hotspot.WhiteBox;
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31
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32 import java.util.function.BooleanSupplier;
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33
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34 /**
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35 * Helper class aimed to provide predicates on availability of SHA-related
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36 * CPU instructions and intrinsics.
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37 */
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38 public class IntrinsicPredicates {
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39 private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
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40 private static final long TIERED_MAX_LEVEL = 4L;
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41 /**
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42 * Boolean supplier that check if any method could be compiled by C2.
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43 * Method potentially could be compiled by C2 if Server VM is used and
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44 * either tiered compilation is disabled or TIERED_MAX_LEVEL tier is
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45 * reachable.
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46 *
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47 * Please don't place this definition after SHA*_INTRINSICS_AVAILABLE
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48 * definitions. Otherwise its value will be {@code null} at the time when
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49 * all dependent fields will be initialized.
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50 */
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51 private static final BooleanSupplier COMPILABLE_BY_C2 = () -> {
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52 boolean isTiered = IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag(
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53 "TieredCompilation");
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54 long tieredMaxLevel = IntrinsicPredicates.WHITE_BOX.getIntxVMFlag(
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55 "TieredStopAtLevel");
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56 boolean maxLevelIsReachable = (tieredMaxLevel
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57 == IntrinsicPredicates.TIERED_MAX_LEVEL);
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58 return Platform.isServer() && (!isTiered || maxLevelIsReachable);
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59 };
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60
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61 public static final BooleanSupplier SHA1_INSTRUCTION_AVAILABLE
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62 = new CPUSpecificPredicate("sparc.*", new String[] { "sha1" },
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63 null);
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64
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65 public static final BooleanSupplier SHA256_INSTRUCTION_AVAILABLE
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66 = new CPUSpecificPredicate("sparc.*", new String[] { "sha256" },
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67 null);
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68
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69 public static final BooleanSupplier SHA512_INSTRUCTION_AVAILABLE
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70 = new CPUSpecificPredicate("sparc.*", new String[] { "sha512" },
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71 null);
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72
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73 public static final BooleanSupplier ANY_SHA_INSTRUCTION_AVAILABLE
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74 = new OrPredicate(IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE,
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75 new OrPredicate(
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76 IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE,
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77 IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE));
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78
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79 public static final BooleanSupplier SHA1_INTRINSICS_AVAILABLE
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80 = new AndPredicate(new AndPredicate(
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81 IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE,
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82 IntrinsicPredicates.COMPILABLE_BY_C2),
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83 IntrinsicPredicates.booleanOptionValue("UseSHA1Intrinsics"));
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84
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85 public static final BooleanSupplier SHA256_INTRINSICS_AVAILABLE
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86 = new AndPredicate(new AndPredicate(
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87 IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE,
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88 IntrinsicPredicates.COMPILABLE_BY_C2),
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89 IntrinsicPredicates.booleanOptionValue("UseSHA256Intrinsics"));
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90
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91 public static final BooleanSupplier SHA512_INTRINSICS_AVAILABLE
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92 = new AndPredicate(new AndPredicate(
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93 IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE,
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94 IntrinsicPredicates.COMPILABLE_BY_C2),
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95 IntrinsicPredicates.booleanOptionValue("UseSHA512Intrinsics"));
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96
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97 private static BooleanSupplier booleanOptionValue(String option) {
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98 return () -> IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag(option);
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99 }
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100
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101 private IntrinsicPredicates() {
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102 }
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103 }