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 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("sparc.*", new String[] { "sha512" }, 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 final BooleanSupplier SHA1_INTRINSICS_AVAILABLE
101 = new AndPredicate(new AndPredicate(
102 IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE,
103 IntrinsicPredicates.COMPILABLE_BY_C2),
104 IntrinsicPredicates.booleanOptionValue("UseSHA1Intrinsics"));
105
106 public static final BooleanSupplier SHA256_INTRINSICS_AVAILABLE
107 = new AndPredicate(new AndPredicate(
108 IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE,
109 IntrinsicPredicates.COMPILABLE_BY_C2),
110 IntrinsicPredicates.booleanOptionValue("UseSHA256Intrinsics"));
111
112 public static final BooleanSupplier SHA512_INTRINSICS_AVAILABLE
113 = new AndPredicate(new AndPredicate(
114 IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE,
115 IntrinsicPredicates.COMPILABLE_BY_C2),
116 IntrinsicPredicates.booleanOptionValue("UseSHA512Intrinsics"));
117
118 private static BooleanSupplier booleanOptionValue(String option) {
119 return () -> IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag(option);
120 }
121
122 private IntrinsicPredicates() {
123 }
124 }