Test6931567.java revision 11707:ad7af1afda7a 
1/*
2 * Copyright (c) 2011, 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/**
26 * @test
27 * @bug 6931567
28 * @summary JIT Error (on class file compiled with eclipse) on JVM x64 (but not on x32!).
29 *
30 * @run main compiler.c2.Test6931567
31 */
32
33package compiler.c2;
34
35// Should be compiled with javac from JDK1.3 to get bytecode which shows the problem.
36public class Test6931567 {
37
38    public static void main(final String[] args) {
39        booleanInvert(Integer.MAX_VALUE);
40        booleanInvert(Integer.MAX_VALUE - 1);
41    }
42
43    private static void booleanInvert(final int max) {
44        boolean test1 = false;
45        boolean test2 = false;
46
47        for (int i = 0; i < max; i++) {
48            test1 = !test1;
49        }
50
51        for (int i = 0; i < max; i++) {
52            test2 ^= true;
53        }
54
55        if (test1 != test2) {
56            System.out.println("ERROR: Boolean invert\n\ttest1=" + test1
57                    + "\n\ttest2=" + test2);
58            System.exit(97);
59        } else {
60            System.out.println("Passed!");
61        }
62    }
63}
64
65