Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/compiler/testlibrary/sha/predicate/IntrinsicPredicates.java	Wed Sep 03 15:26:06 2014 +0400
     1.3 @@ -0,0 +1,103 @@
     1.4 +/*
     1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +package sha.predicate;
    1.28 +
    1.29 +import com.oracle.java.testlibrary.Platform;
    1.30 +import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
    1.31 +import com.oracle.java.testlibrary.cli.predicate.CPUSpecificPredicate;
    1.32 +import com.oracle.java.testlibrary.cli.predicate.OrPredicate;
    1.33 +import sun.hotspot.WhiteBox;
    1.34 +
    1.35 +import java.util.function.BooleanSupplier;
    1.36 +
    1.37 +/**
    1.38 + * Helper class aimed to provide predicates on availability of SHA-related
    1.39 + * CPU instructions and intrinsics.
    1.40 + */
    1.41 +public class IntrinsicPredicates {
    1.42 +    private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
    1.43 +    private static final long TIERED_MAX_LEVEL = 4L;
    1.44 +    /**
    1.45 +     * Boolean supplier that check if any method could be compiled by C2.
    1.46 +     * Method potentially could be compiled by C2 if Server VM is used and
    1.47 +     * either tiered compilation is disabled or TIERED_MAX_LEVEL tier is
    1.48 +     * reachable.
    1.49 +     *
    1.50 +     * Please don't place this definition after SHA*_INTRINSICS_AVAILABLE
    1.51 +     * definitions. Otherwise its value will be {@code null} at the time when
    1.52 +     * all dependent fields will be initialized.
    1.53 +     */
    1.54 +    private static final BooleanSupplier COMPILABLE_BY_C2 = () -> {
    1.55 +        boolean isTiered = IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag(
    1.56 +                "TieredCompilation");
    1.57 +        long tieredMaxLevel = IntrinsicPredicates.WHITE_BOX.getIntxVMFlag(
    1.58 +                "TieredStopAtLevel");
    1.59 +        boolean maxLevelIsReachable = (tieredMaxLevel
    1.60 +                == IntrinsicPredicates.TIERED_MAX_LEVEL);
    1.61 +        return Platform.isServer() && (!isTiered || maxLevelIsReachable);
    1.62 +    };
    1.63 +
    1.64 +    public static final BooleanSupplier SHA1_INSTRUCTION_AVAILABLE
    1.65 +            = new CPUSpecificPredicate("sparc.*", new String[] { "sha1" },
    1.66 +                    null);
    1.67 +
    1.68 +    public static final BooleanSupplier SHA256_INSTRUCTION_AVAILABLE
    1.69 +            = new CPUSpecificPredicate("sparc.*", new String[] { "sha256" },
    1.70 +                    null);
    1.71 +
    1.72 +    public static final BooleanSupplier SHA512_INSTRUCTION_AVAILABLE
    1.73 +            = new CPUSpecificPredicate("sparc.*", new String[] { "sha512" },
    1.74 +                    null);
    1.75 +
    1.76 +    public static final BooleanSupplier ANY_SHA_INSTRUCTION_AVAILABLE
    1.77 +            = new OrPredicate(IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE,
    1.78 +                    new OrPredicate(
    1.79 +                            IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE,
    1.80 +                            IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE));
    1.81 +
    1.82 +    public static final BooleanSupplier SHA1_INTRINSICS_AVAILABLE
    1.83 +            = new AndPredicate(new AndPredicate(
    1.84 +                    IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE,
    1.85 +                    IntrinsicPredicates.COMPILABLE_BY_C2),
    1.86 +                IntrinsicPredicates.booleanOptionValue("UseSHA1Intrinsics"));
    1.87 +
    1.88 +    public static final BooleanSupplier SHA256_INTRINSICS_AVAILABLE
    1.89 +            = new AndPredicate(new AndPredicate(
    1.90 +                    IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE,
    1.91 +                    IntrinsicPredicates.COMPILABLE_BY_C2),
    1.92 +                IntrinsicPredicates.booleanOptionValue("UseSHA256Intrinsics"));
    1.93 +
    1.94 +    public static final BooleanSupplier SHA512_INTRINSICS_AVAILABLE
    1.95 +            = new AndPredicate(new AndPredicate(
    1.96 +                    IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE,
    1.97 +                    IntrinsicPredicates.COMPILABLE_BY_C2),
    1.98 +                IntrinsicPredicates.booleanOptionValue("UseSHA512Intrinsics"));
    1.99 +
   1.100 +    private static BooleanSupplier booleanOptionValue(String option) {
   1.101 +        return () -> IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag(option);
   1.102 +    }
   1.103 +
   1.104 +    private IntrinsicPredicates() {
   1.105 +    }
   1.106 +}