Mercurial > hg > graal-compiler
comparison test/compiler/6877254/Test.java @ 985:685e959d09ea
6877254: Server vm crashes with no branches off of store slice" when run with CMS and UseSuperWord(default)
Summary: design StoreCMNode::Ideal to promote its oopStore input if the input is a MergeMem node
Reviewed-by: kvn, never
author | cfang |
---|---|
date | Mon, 14 Sep 2009 09:49:54 -0700 |
parents | |
children | 648fe315b257 |
comparison
equal
deleted
inserted
replaced
958:c7e94e8fff43 | 985:685e959d09ea |
---|---|
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 * @test | |
26 * @bug 6877254 | |
27 * @summary Implement StoreCMNode::Ideal to promote its OopStore above the MergeMem | |
28 * | |
29 * @run main/othervm -server -Xcomp -XX:+UseConcMarkSweepGC Test | |
30 */ | |
31 | |
32 public class Test { | |
33 static byte var_1; | |
34 static String var_2 = ""; | |
35 static byte var_3; | |
36 static float var_4 = 0; | |
37 | |
38 public static void main(String[] args) { | |
39 int i = 0; | |
40 | |
41 for (String var_tmp = var_2; i < 11; var_1 = 0, i++) { | |
42 var_2 = var_2; | |
43 var_4 *= (var_4 *= (var_3 = 0)); | |
44 } | |
45 | |
46 System.out.println("var_1 = " + var_1); | |
47 System.out.println("var_2 = " + var_2); | |
48 System.out.println("var_3 = " + var_3); | |
49 System.out.println("var_4 = " + var_4); | |
50 } | |
51 } |