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comparison test/compiler/testlibrary/sha/predicate/IntrinsicPredicates.java @ 20428:4d8781a35525

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8055903: Develop sanity tests on SPARC's SHA instructions support Reviewed-by: kvn, iignatyev
author fzhinkin
date Wed, 03 Sep 2014 15:26:06 +0400
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20427:fe6dafcd8ed0 20428:4d8781a35525
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 }