Mercurial > hg > graal-jvmci-8
comparison test/compiler/8011901/Test8011901.java @ 10139:35c15dad89ea
8011901: Unsafe.getAndAddLong(obj, off, delta) does not work properly with long deltas
Summary: instruct xaddL_no_res shouldn't allow 64 bit constants.
Reviewed-by: kvn
author | roland |
---|---|
date | Tue, 16 Apr 2013 17:06:39 +0200 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
10125:f78763f49817 | 10139:35c15dad89ea |
---|---|
1 /* | |
2 * Copyright (c) 2013, 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 /* | |
25 * @test | |
26 * @bug 8011901 | |
27 * @summary instruct xaddL_no_res shouldn't allow 64 bit constants. | |
28 * @run main/othervm -XX:-BackgroundCompilation Test8011901 | |
29 * | |
30 */ | |
31 | |
32 import java.lang.reflect.*; | |
33 import sun.misc.*; | |
34 | |
35 public class Test8011901 { | |
36 | |
37 private long ctl; | |
38 | |
39 private static final sun.misc.Unsafe U; | |
40 private static final long CTL; | |
41 | |
42 static { | |
43 try { | |
44 Field unsafe = sun.misc.Unsafe.class.getDeclaredField("theUnsafe"); | |
45 unsafe.setAccessible(true); | |
46 U = (sun.misc.Unsafe) unsafe.get(null); | |
47 CTL = U.objectFieldOffset(Test8011901.class.getDeclaredField("ctl")); | |
48 } catch (Exception e) { | |
49 throw new Error(e); | |
50 } | |
51 } | |
52 | |
53 public static void main(String[] args) { | |
54 for(int c = 0; c < 20000; c++) { | |
55 new Test8011901().makeTest(); | |
56 } | |
57 System.out.println("Test Passed"); | |
58 } | |
59 | |
60 public static final long EXPECTED = 1L << 42; | |
61 | |
62 public void makeTest() { | |
63 U.getAndAddLong(this, CTL, EXPECTED); | |
64 if (ctl != EXPECTED) { | |
65 throw new RuntimeException("Test failed. Expected: " + EXPECTED + ", but got = " + ctl); | |
66 } | |
67 } | |
68 } |