/*

 * 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

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 * questions.

 */

/**

 * @test

 * @bug 7020614

 * @summary "-server" mode optimizer makes code hang

 *

 * @run main/othervm/timeout=30 -Xbatch compiler.c2.Test7020614

 */

package compiler.c2;

public class Test7020614 {

    private static final int ITERATIONS = 1000;

    private static int doNotOptimizeOut = 0;

    public static long bitCountShort() {

        long t0 = System.currentTimeMillis();

        int sum = 0;

        for (int it = 0; it < ITERATIONS; ++it) {

            short value = 0;

            do {

                sum += Integer.bitCount(value);

            } while (++value != 0);

        }

        doNotOptimizeOut += sum;

        return System.currentTimeMillis() - t0;

    }

    public static void main(String[] args) {

        for (int i = 0; i < 4; ++i) {

            System.out.println((i + 1) + ": " + bitCountShort());

        }

        System.out.println("doNotOptimizeOut value: " + doNotOptimizeOut);

    }

}