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--- old/test/java/util/concurrent/atomic/VMSupportsCS8.java
+++ new/test/java/util/concurrent/atomic/VMSupportsCS8.java
1 1 /*
2 2 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 4 *
5 5 * This code is free software; you can redistribute it and/or modify it
6 6 * under the terms of the GNU General Public License version 2 only, as
7 7 * published by the Free Software Foundation.
8 8 *
9 9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 12 * version 2 for more details (a copy is included in the LICENSE file that
13 13 * accompanied this code).
14 14 *
15 15 * You should have received a copy of the GNU General Public License version
16 16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 18 *
19 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 20 * or visit www.oracle.com if you need additional information or have any
21 21 * questions.
22 22 */
23 23
24 24 /*
25 25 * @test
26 26 * @bug 4992443 4994819
27 + * @compile -source 1.5 VMSupportsCS8.java
28 + * @run main VMSupportsCS8
27 29 * @summary Checks that the value of VMSupportsCS8 matches system properties.
28 30 */
29 31
30 32 import java.lang.reflect.Field;
31 33
32 34 public class VMSupportsCS8 {
33 35 public static void main(String[] args) throws Exception {
34 36 if (System.getProperty("sun.cpu.isalist").matches
35 37 (".*\\b(sparcv9|pentium_pro|ia64|amd64).*")
36 38 ||
37 39 System.getProperty("os.arch").matches
38 40 (".*\\b(ia64|amd64).*")) {
39 41
40 42 System.out.println("This system is known to have hardware CS8");
41 43
42 44 Class klass = Class.forName("java.util.concurrent.atomic.AtomicLong");
43 45 Field field = klass.getDeclaredField("VM_SUPPORTS_LONG_CAS");
44 46 field.setAccessible(true);
45 47 boolean VMSupportsCS8 = field.getBoolean(null);
46 48 if (! VMSupportsCS8)
47 49 throw new Exception("Unexpected value for VMSupportsCS8");
48 50 }
49 51 }
50 52 }
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