Mercurial > hg > truffle
annotate test/compiler/6863420/Test.java @ 13723:1834ae0bc965
GuardLowering: do not use trapping accesses for guards with a speculation
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Tue, 21 Jan 2014 18:35:46 +0100 |
parents | f67065f02409 |
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rev | line source |
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894 | 1 /* |
2 * Copyright 2009 D.E. Shaw. 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 * | |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
894
diff
changeset
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
894
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changeset
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21 * questions. |
894 | 22 * |
23 */ | |
24 | |
25 /** | |
26 * @test | |
27 * @bug 6863420 | |
28 * @summary os::javaTimeNanos() go backward on Solaris x86 | |
29 * | |
9079 | 30 * Notice the internal timeout in timeout thread Test.TOT. |
31 * @run main/othervm/timeout=300 Test | |
894 | 32 */ |
33 | |
34 public class Test { | |
9079 | 35 |
36 static final int INTERNAL_TIMEOUT=240; | |
37 static class TOT extends Thread { | |
38 public void run() { | |
39 try { | |
40 Thread.sleep(INTERNAL_TIMEOUT*1000); | |
41 } catch (InterruptedException ex) { | |
42 } | |
43 done = true; | |
44 } | |
45 } | |
46 | |
894 | 47 static long value = 0; |
48 static boolean got_backward_time = false; | |
9079 | 49 static volatile boolean done = false; |
894 | 50 |
51 public static void main(String args[]) { | |
52 final int count = 100000; | |
53 | |
9079 | 54 TOT tot = new TOT(); |
55 tot.setDaemon(true); | |
56 tot.start(); | |
57 | |
58 for (int numThreads = 1; !done && numThreads <= 32; numThreads++) { | |
894 | 59 final int numRuns = 1; |
60 for (int t=1; t <= numRuns; t++) { | |
61 final int curRun = t; | |
62 | |
63 System.out.println("Spawning " + numThreads + " threads"); | |
64 final Thread threads[] = new Thread[numThreads]; | |
65 for (int i = 0; i < threads.length; i++) { | |
66 Runnable thread = | |
67 new Runnable() { | |
68 public void run() { | |
9079 | 69 for (long l = 0; !done && l < 100000; l++) { |
894 | 70 final long start = System.nanoTime(); |
71 if (value == 12345678) { | |
72 System.out.println("Wow!"); | |
73 } | |
74 final long end = System.nanoTime(); | |
75 final long time = end - start; | |
76 value += time; | |
77 if (time < 0) { | |
78 System.out.println( | |
79 "Backwards: " + | |
80 "start=" + start + " " + | |
81 "end=" + end + " " + | |
82 "time= " + time | |
83 ); | |
84 got_backward_time = true; | |
85 } | |
86 } | |
87 } | |
88 }; | |
89 threads[i] = new Thread(thread, "Thread" + i); | |
90 } | |
91 for (int i = 0; i < threads.length; i++) { | |
92 threads[i].start(); | |
93 } | |
94 for (int i = 0; i < threads.length; i++) { | |
95 try { | |
96 threads[i].join(); | |
97 } | |
98 catch (InterruptedException e) { | |
99 continue; | |
100 } | |
101 } | |
102 } | |
103 } | |
104 | |
105 if (got_backward_time) { | |
106 System.exit(97); | |
107 } | |
108 } | |
109 } |