/*

 * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/**

 * @test

 * @bug 6636138

 * @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation.

 *

 * @run main/othervm -server -Xbatch -XX:CompileOnly=Test1.init -XX:+UseSuperword Test1

 */

class Test1 {

    public static void init(int src[], int [] dst, int[] ref) {

        // initialize the arrays

        for (int i =0; i<src.length; i++) {

            src[i] =  i;

            dst[i] = 2;      // yes, dst[i] needed(otherwise src[i] will be replaced with i)

            ref[i] = src[i]; // src[i] depends on the store src[i]

        }

    }

    public static void verify(int src[], int[] ref) {

        // check whether src and ref are equal

        for (int i = 0; i < src.length; i++) {

            if (src[i] != ref[i]) {

                System.out.println("Error: src and ref don't match at " + i);

                System.exit(-1);

            }

        }

    }

    public static void test() {

        int[] src = new int[34];

        int[] dst = new int[34];

        int[] ref = new int[34];

        init(src, dst, ref);

        verify(src, ref);

    }

    public static void main(String[] args) {

        for (int i=0; i< 2000; i++) {

            test();

        }

    }

}