Mercurial > hg > graal-jvmci-8
comparison test/compiler/testlibrary/sha/predicate/IntrinsicPredicates.java @ 20428:4d8781a35525
8055903: Develop sanity tests on SPARC's SHA instructions support
Reviewed-by: kvn, iignatyev
author | fzhinkin |
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date | Wed, 03 Sep 2014 15:26:06 +0400 |
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20427:fe6dafcd8ed0 | 20428:4d8781a35525 |
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1 /* | |
2 * Copyright (c) 2014, 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 sha.predicate; | |
25 | |
26 import com.oracle.java.testlibrary.Platform; | |
27 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; | |
28 import com.oracle.java.testlibrary.cli.predicate.CPUSpecificPredicate; | |
29 import com.oracle.java.testlibrary.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() && (!isTiered || maxLevelIsReachable); | |
59 }; | |
60 | |
61 public static final BooleanSupplier SHA1_INSTRUCTION_AVAILABLE | |
62 = new CPUSpecificPredicate("sparc.*", new String[] { "sha1" }, | |
63 null); | |
64 | |
65 public static final BooleanSupplier SHA256_INSTRUCTION_AVAILABLE | |
66 = new CPUSpecificPredicate("sparc.*", new String[] { "sha256" }, | |
67 null); | |
68 | |
69 public static final BooleanSupplier SHA512_INSTRUCTION_AVAILABLE | |
70 = new CPUSpecificPredicate("sparc.*", new String[] { "sha512" }, | |
71 null); | |
72 | |
73 public static final BooleanSupplier ANY_SHA_INSTRUCTION_AVAILABLE | |
74 = new OrPredicate(IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE, | |
75 new OrPredicate( | |
76 IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE, | |
77 IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE)); | |
78 | |
79 public static final BooleanSupplier SHA1_INTRINSICS_AVAILABLE | |
80 = new AndPredicate(new AndPredicate( | |
81 IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE, | |
82 IntrinsicPredicates.COMPILABLE_BY_C2), | |
83 IntrinsicPredicates.booleanOptionValue("UseSHA1Intrinsics")); | |
84 | |
85 public static final BooleanSupplier SHA256_INTRINSICS_AVAILABLE | |
86 = new AndPredicate(new AndPredicate( | |
87 IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE, | |
88 IntrinsicPredicates.COMPILABLE_BY_C2), | |
89 IntrinsicPredicates.booleanOptionValue("UseSHA256Intrinsics")); | |
90 | |
91 public static final BooleanSupplier SHA512_INTRINSICS_AVAILABLE | |
92 = new AndPredicate(new AndPredicate( | |
93 IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE, | |
94 IntrinsicPredicates.COMPILABLE_BY_C2), | |
95 IntrinsicPredicates.booleanOptionValue("UseSHA512Intrinsics")); | |
96 | |
97 private static BooleanSupplier booleanOptionValue(String option) { | |
98 return () -> IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag(option); | |
99 } | |
100 | |
101 private IntrinsicPredicates() { | |
102 } | |
103 } |