858
|
1 /*
|
|
2 * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
21 * have any questions.
|
|
22 *
|
|
23 */
|
|
24
|
|
25 /**
|
|
26 * @test
|
|
27 * @bug 6826736
|
|
28 * @summary CMS: core dump with -XX:+UseCompressedOops
|
|
29 *
|
901
|
30 * @run main/othervm/timeout=600 -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+ScavengeALot -XX:+UseCompressedOops -XX:HeapBaseMinAddress=32g -XX:CompileThreshold=100 -XX:CompileOnly=Test.test -XX:-BlockLayoutRotateLoops -XX:LoopUnrollLimit=0 Test
|
858
|
31 */
|
|
32
|
|
33 public class Test {
|
|
34 int[] arr;
|
|
35 int[] arr2;
|
|
36 int test(int r) {
|
|
37 for (int i = 0; i < 100; i++) {
|
|
38 for (int j = i; j < 100; j++) {
|
|
39 int a = 0;
|
|
40 for (long k = 0; k < 100; k++) {
|
|
41 a += k;
|
|
42 }
|
|
43 if (arr != null)
|
|
44 a = arr[j];
|
|
45 r += a;
|
|
46 }
|
|
47 }
|
|
48 return r;
|
|
49 }
|
|
50
|
|
51 public static void main(String[] args) {
|
|
52 int r = 0;
|
|
53 Test t = new Test();
|
|
54 for (int i = 0; i < 100; i++) {
|
|
55 t.arr = new int[100];
|
|
56 r = t.test(r);
|
|
57 }
|
|
58 System.out.println("Warmup 1 is done.");
|
|
59 for (int i = 0; i < 100; i++) {
|
|
60 t.arr = null;
|
|
61 r = t.test(r);
|
|
62 }
|
|
63 System.out.println("Warmup 2 is done.");
|
|
64 for (int i = 0; i < 100; i++) {
|
|
65 t.arr = new int[100];
|
|
66 r = t.test(r);
|
|
67 }
|
|
68 System.out.println("Warmup is done.");
|
|
69 for (int i = 0; i < 100; i++) {
|
|
70 t.arr = new int[1000000];
|
|
71 t.arr = null;
|
|
72 r = t.test(r);
|
|
73 }
|
|
74 }
|
|
75 }
|