1 /*
2  * Copyright (c) 2009 SAP SE. 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 6910484
27  * @summary incorrect integer optimization (loosing and op-r in a given example)
28  *
29  * @run main/othervm -Xbatch compiler.c2.Test6910484
30  */
31 
32 package compiler.c2;
33 
34 public class Test6910484 {
35 
main(String[] args)36     public static void main(String[] args) {
37         long iteration = 0;
38         for(int i = 0; i <11000; i++) {
39             iteration++;
40             int result = test(255);
41             if (result != 112) {
42                 System.out.println("expected 112, but got " + result + " after iteration " + iteration);
43                 System.exit(97);
44             }
45         }
46     }
47 
test(int x)48     private static int test(int x) {
49         return (x & -32) / 2;
50     }
51 
52 }
53