hotspot/test/compiler/5091921/Test6850611.java
author kvn
Wed, 04 May 2011 13:12:42 -0700
changeset 9446 748a37b25d10
child 15753 f599307f4ca5
permissions -rw-r--r--
5091921: Sign flip issues in loop optimizer Summary: Fix integer overflow problem in the code generated by loop optimizer. Reviewed-by: never

/*
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

/**
 * @test
 * @bug 6850611
 * @summary int / long arithmetic seems to be broken in 1.6.0_14 HotSpot Server VM (Win XP)
 *
 * @run main Test6850611
 */

public class Test6850611 {

    public static void main(String[] args) {
        test();
    }

    private static void test() {
        for (int j = 0; j < 5; ++j) {
            long x = 0;
            for (int i = Integer.MIN_VALUE; i < Integer.MAX_VALUE; ++i) {
                x += i;
            }
            System.out.println("sum: " + x);
            if (x != -4294967295l) {
                System.out.println("FAILED");
                System.exit(97);
            }
        }
    }
}