Mercurial > hg > graal-compiler
view test/compiler/testlibrary/sha/predicate/IntrinsicPredicates.java @ 21472:c190ed6b84bf
added checkcopyrights command (from mxtool2)
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 22 May 2015 23:11:17 +0200 |
parents | 4d8781a35525 |
children |
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/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sha.predicate; import com.oracle.java.testlibrary.Platform; import com.oracle.java.testlibrary.cli.predicate.AndPredicate; import com.oracle.java.testlibrary.cli.predicate.CPUSpecificPredicate; import com.oracle.java.testlibrary.cli.predicate.OrPredicate; import sun.hotspot.WhiteBox; import java.util.function.BooleanSupplier; /** * Helper class aimed to provide predicates on availability of SHA-related * CPU instructions and intrinsics. */ public class IntrinsicPredicates { private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); private static final long TIERED_MAX_LEVEL = 4L; /** * Boolean supplier that check if any method could be compiled by C2. * Method potentially could be compiled by C2 if Server VM is used and * either tiered compilation is disabled or TIERED_MAX_LEVEL tier is * reachable. * * Please don't place this definition after SHA*_INTRINSICS_AVAILABLE * definitions. Otherwise its value will be {@code null} at the time when * all dependent fields will be initialized. */ private static final BooleanSupplier COMPILABLE_BY_C2 = () -> { boolean isTiered = IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag( "TieredCompilation"); long tieredMaxLevel = IntrinsicPredicates.WHITE_BOX.getIntxVMFlag( "TieredStopAtLevel"); boolean maxLevelIsReachable = (tieredMaxLevel == IntrinsicPredicates.TIERED_MAX_LEVEL); return Platform.isServer() && (!isTiered || maxLevelIsReachable); }; public static final BooleanSupplier SHA1_INSTRUCTION_AVAILABLE = new CPUSpecificPredicate("sparc.*", new String[] { "sha1" }, null); public static final BooleanSupplier SHA256_INSTRUCTION_AVAILABLE = new CPUSpecificPredicate("sparc.*", new String[] { "sha256" }, null); public static final BooleanSupplier SHA512_INSTRUCTION_AVAILABLE = new CPUSpecificPredicate("sparc.*", new String[] { "sha512" }, null); public static final BooleanSupplier ANY_SHA_INSTRUCTION_AVAILABLE = new OrPredicate(IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE, new OrPredicate( IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE, IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE)); public static final BooleanSupplier SHA1_INTRINSICS_AVAILABLE = new AndPredicate(new AndPredicate( IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE, IntrinsicPredicates.COMPILABLE_BY_C2), IntrinsicPredicates.booleanOptionValue("UseSHA1Intrinsics")); public static final BooleanSupplier SHA256_INTRINSICS_AVAILABLE = new AndPredicate(new AndPredicate( IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE, IntrinsicPredicates.COMPILABLE_BY_C2), IntrinsicPredicates.booleanOptionValue("UseSHA256Intrinsics")); public static final BooleanSupplier SHA512_INTRINSICS_AVAILABLE = new AndPredicate(new AndPredicate( IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE, IntrinsicPredicates.COMPILABLE_BY_C2), IntrinsicPredicates.booleanOptionValue("UseSHA512Intrinsics")); private static BooleanSupplier booleanOptionValue(String option) { return () -> IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag(option); } private IntrinsicPredicates() { } }