1 /*
2 * Copyright (c) 2014, 2020, 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.lang.reflect.Method;
33 import java.util.function.BooleanSupplier;
34
35 /**
36 * Helper class aimed to provide predicates on availability of SHA-related
37 * CPU instructions and intrinsics.
38 */
39 public class IntrinsicPredicates {
40 private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
41 private static final long TIERED_MAX_LEVEL = 4L;
42 /**
43 * Boolean supplier that check if any method could be compiled by C2.
44 * Method potentially could be compiled by C2 if Server VM is used and
45 * either tiered compilation is disabled or TIERED_MAX_LEVEL tier is
46 * reachable.
47 *
48 * Please don't place this definition after SHA*_INTRINSICS_AVAILABLE
49 * definitions. Otherwise its value will be {@code null} at the time when
50 * all dependent fields will be initialized.
51 */
52 private static final BooleanSupplier COMPILABLE_BY_C2 = () -> {
53 boolean isTiered = IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag(
54 "TieredCompilation");
55 long tieredMaxLevel = IntrinsicPredicates.WHITE_BOX.getIntxVMFlag(
56 "TieredStopAtLevel");
57 boolean maxLevelIsReachable = (tieredMaxLevel
58 == IntrinsicPredicates.TIERED_MAX_LEVEL);
59 return Platform.isServer() && !Platform.isEmulatedClient() && (!isTiered || maxLevelIsReachable);
60 };
61
62 public static final BooleanSupplier SHA1_INSTRUCTION_AVAILABLE
63 = new OrPredicate(new CPUSpecificPredicate("aarch64.*", new String[] { "sha1" }, null),
64 new OrPredicate(new CPUSpecificPredicate("s390.*", 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("ppc64.*", new String[] { "sha" }, null),
74 new OrPredicate(new CPUSpecificPredicate("ppc64le.*", new String[] { "sha" }, null),
75 // x86 variants
76 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "sha" }, null),
77 new OrPredicate(new CPUSpecificPredicate("i386.*", new String[] { "sha" }, null),
78 new OrPredicate(new CPUSpecificPredicate("x86.*", new String[] { "sha" }, null),
79 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "avx2", "bmi2" }, null),
80 new CPUSpecificPredicate("x86_64", new String[] { "avx2", "bmi2" }, null)))))))));
81
82 public static final BooleanSupplier SHA512_INSTRUCTION_AVAILABLE
83 = new OrPredicate(new CPUSpecificPredicate("aarch64.*", new String[] { "sha512" }, null),
84 new OrPredicate(new CPUSpecificPredicate("s390.*", new String[] { "sha512" }, null),
85 new OrPredicate(new CPUSpecificPredicate("ppc64.*", new String[] { "sha" }, null),
86 new OrPredicate(new CPUSpecificPredicate("ppc64le.*", new String[] { "sha" }, null),
87 // x86 variants
88 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "sha" }, null),
89 new OrPredicate(new CPUSpecificPredicate("i386.*", new String[] { "sha" }, null),
90 new OrPredicate(new CPUSpecificPredicate("x86.*", new String[] { "sha" }, null),
91 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "avx2", "bmi2" }, null),
92 new CPUSpecificPredicate("x86_64", new String[] { "avx2", "bmi2" }, null)))))))));
93
94 public static final BooleanSupplier ANY_SHA_INSTRUCTION_AVAILABLE
95 = new OrPredicate(IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE,
96 new OrPredicate(
97 IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE,
98 IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE));
99
100 public static BooleanSupplier isSHA1IntrinsicAvailable() {
101 return new AndPredicate(IntrinsicPredicates.COMPILABLE_BY_C2,
102 IntrinsicPredicates.isIntrinsicAvailable("sun.security.provider.SHA", "implCompress0"));
103 }
104
105 public static BooleanSupplier isSHA256IntrinsicAvailable() {
106 return new AndPredicate(IntrinsicPredicates.COMPILABLE_BY_C2,
107 IntrinsicPredicates.isIntrinsicAvailable("sun.security.provider.SHA2", "implCompress0"));
108 }
109
110 public static BooleanSupplier isSHA512IntrinsicAvailable() {
111 return new AndPredicate(IntrinsicPredicates.COMPILABLE_BY_C2,
112 IntrinsicPredicates.isIntrinsicAvailable("sun.security.provider.SHA5", "implCompress0"));
113 }
114
115 private static BooleanSupplier isIntrinsicAvailable(String klass, String method) {
116 try {
117 Method m = Class.forName(klass).getDeclaredMethod(method, byte[].class, int.class);
118 return () -> WHITE_BOX.isIntrinsicAvailable(m, (int)IntrinsicPredicates.TIERED_MAX_LEVEL);
119 } catch (Exception e) {
120 throw new RuntimeException("Intrinsified method " + klass + "::" + method + " not found!");
121 }
122 };
123 }