1 /* 2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package compiler.testlibrary.sha.predicate; 25 26 import jdk.test.lib.Platform; 27 import jdk.test.lib.cli.predicate.AndPredicate; 28 import jdk.test.lib.cli.predicate.CPUSpecificPredicate; 29 import jdk.test.lib.cli.predicate.OrPredicate; 30 import sun.hotspot.WhiteBox; 31 32 import java.util.function.BooleanSupplier; 33 34 /** 35 * Helper class aimed to provide predicates on availability of SHA-related 36 * CPU instructions and intrinsics. 37 */ 38 public class IntrinsicPredicates { 39 private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); 40 private static final long TIERED_MAX_LEVEL = 4L; 41 /** 42 * Boolean supplier that check if any method could be compiled by C2. 43 * Method potentially could be compiled by C2 if Server VM is used and 44 * either tiered compilation is disabled or TIERED_MAX_LEVEL tier is 45 * reachable. 46 * 47 * Please don't place this definition after SHA*_INTRINSICS_AVAILABLE 48 * definitions. Otherwise its value will be {@code null} at the time when 49 * all dependent fields will be initialized. 50 */ 51 private static final BooleanSupplier COMPILABLE_BY_C2 = () -> { 52 boolean isTiered = IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag( 53 "TieredCompilation"); 54 long tieredMaxLevel = IntrinsicPredicates.WHITE_BOX.getIntxVMFlag( 55 "TieredStopAtLevel"); 56 boolean maxLevelIsReachable = (tieredMaxLevel 57 == IntrinsicPredicates.TIERED_MAX_LEVEL); 58 return Platform.isServer() && !Platform.isEmulatedClient() && (!isTiered || maxLevelIsReachable); 59 }; 60 61 public static final BooleanSupplier SHA1_INSTRUCTION_AVAILABLE 62 = new OrPredicate(new CPUSpecificPredicate("aarch64.*", new String[] { "sha1" }, null), 63 new OrPredicate(new CPUSpecificPredicate("s390.*", new String[] { "sha1" }, null), 64 new OrPredicate(new CPUSpecificPredicate("sparc.*", new String[] { "sha1" }, null), 65 // x86 variants 66 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "sha" }, null), 67 new OrPredicate(new CPUSpecificPredicate("i386.*", new String[] { "sha" }, null), 68 new CPUSpecificPredicate("x86.*", new String[] { "sha" }, null)))))); 69 70 public static final BooleanSupplier SHA256_INSTRUCTION_AVAILABLE 71 = new OrPredicate(new CPUSpecificPredicate("aarch64.*", new String[] { "sha256" }, null), 72 new OrPredicate(new CPUSpecificPredicate("s390.*", new String[] { "sha256" }, null), 73 new OrPredicate(new CPUSpecificPredicate("sparc.*", new String[] { "sha256" }, null), 74 // x86 variants 75 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "sha" }, null), 76 new OrPredicate(new CPUSpecificPredicate("i386.*", new String[] { "sha" }, null), 77 new OrPredicate(new CPUSpecificPredicate("x86.*", new String[] { "sha" }, null), 78 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "avx2", "bmi2" }, null), 79 new CPUSpecificPredicate("x86_64", new String[] { "avx2", "bmi2" }, null)))))))); 80 81 public static final BooleanSupplier SHA512_INSTRUCTION_AVAILABLE 82 = new OrPredicate(new CPUSpecificPredicate("aarch64.*", new String[] { "sha512" }, null), 83 new OrPredicate(new CPUSpecificPredicate("s390.*", new String[] { "sha512" }, null), 84 new OrPredicate(new CPUSpecificPredicate("sparc.*", new String[] { "sha512" }, null), 85 // x86 variants 86 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "sha" }, null), 87 new OrPredicate(new CPUSpecificPredicate("i386.*", new String[] { "sha" }, null), 88 new OrPredicate(new CPUSpecificPredicate("x86.*", new String[] { "sha" }, null), 89 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "avx2", "bmi2" }, null), 90 new CPUSpecificPredicate("x86_64", new String[] { "avx2", "bmi2" }, null)))))))); 91 92 public static final BooleanSupplier ANY_SHA_INSTRUCTION_AVAILABLE 93 = new OrPredicate(IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE, 94 new OrPredicate( 95 IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE, 96 IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE)); 97 98 public static final BooleanSupplier SHA1_INTRINSICS_AVAILABLE 99 = new AndPredicate(new AndPredicate( 100 IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE, 101 IntrinsicPredicates.COMPILABLE_BY_C2), 102 IntrinsicPredicates.booleanOptionValue("UseSHA1Intrinsics")); 103 104 public static final BooleanSupplier SHA256_INTRINSICS_AVAILABLE 105 = new AndPredicate(new AndPredicate( 106 IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE, 107 IntrinsicPredicates.COMPILABLE_BY_C2), 108 IntrinsicPredicates.booleanOptionValue("UseSHA256Intrinsics")); 109 110 public static final BooleanSupplier SHA512_INTRINSICS_AVAILABLE 111 = new AndPredicate(new AndPredicate( 112 IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE, 113 IntrinsicPredicates.COMPILABLE_BY_C2), 114 IntrinsicPredicates.booleanOptionValue("UseSHA512Intrinsics")); 115 116 private static BooleanSupplier booleanOptionValue(String option) { 117 return () -> IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag(option); 118 } 119 120 private IntrinsicPredicates() { 121 } 122 }