1 /*

     2  * Copyright (c) 2018, Red Hat, Inc. 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 package compiler.c2.aarch64;

    25 

    26 class TestVolatileLoad

    27 {

    28     public volatile int f_int = 0;

    29     public volatile Integer f_obj = Integer.valueOf(0);

    30 

    31     public static void main(String[] args)

    32     {

    33         final TestVolatileLoad t = new TestVolatileLoad();

    34         for (int i = 0; i < 100_000; i++) {

    35             t.f_int = i;

    36             int r = t.testInt();

    37             if (r != i) {

    38                 throw new RuntimeException("bad result!");

    39             }

    40         }

    41         for (int i = 0; i < 100_000; i++) {

    42             t.f_obj = Integer.valueOf(i);

    43             int r = t.testObj();

    44             if (r != i) {

    45                 throw new RuntimeException("bad result!");

    46             }

    47         }

    48     }

    49     public int testInt()

    50     {

    51         return f_int;

    52     }

    53 

    54     public int testObj()

    55     {

    56         return f_obj;

    57     }

    58 }