/*

 * Copyright (c) 2010, 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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 */

/**

 * @test

 * @bug 6968348

 * @summary Byteswapped memory access can point to wrong location after JIT

 *

 * @run main Test6968348

 */

import sun.misc.Unsafe;

import java.lang.reflect.*;

public class Test6968348 {

    static Unsafe unsafe;

    static final long[] buffer = new long[4096];

    static int array_long_base_offset;

    public static void main(String[] args) throws Exception {

        Class c = Test6968348.class.getClassLoader().loadClass("sun.misc.Unsafe");

        Field f = c.getDeclaredField("theUnsafe");

        f.setAccessible(true);

        unsafe = (Unsafe)f.get(c);

        array_long_base_offset = unsafe.arrayBaseOffset(long[].class);

        for (int n = 0; n < 100000; n++) {

            test();

        }

    }

    public static void test() {

        for (long i = array_long_base_offset; i < 4096; i += 8) {

            unsafe.putLong(buffer, i, Long.reverseBytes(i));

        }

    }

}