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 /*

    25  * @test

    26  * @summary C2 should use ldar, stlr and ldaxr+stlxr insns for volatile operations

    27  * @library /test/lib /

    28  *

    29  * @modules java.base/jdk.internal.misc

    30  *

    31  * @requires os.arch=="aarch64" & vm.debug == true &

    32  *           vm.flavor == "server" & !vm.graal.enabled &

    33  *           vm.gc.ConcMarkSweep

    34  *

    35  * @build compiler.c2.aarch64.TestVolatiles

    36  *        compiler.c2.aarch64.TestVolatileLoad

    37  *        compiler.c2.aarch64.TestUnsafeVolatileLoad

    38  *        compiler.c2.aarch64.TestVolatileStore

    39  *        compiler.c2.aarch64.TestUnsafeVolatileStore

    40  *        compiler.c2.aarch64.TestUnsafeVolatileCAS

    41  *        compiler.c2.aarch64.TestUnsafeVolatileWeakCAS

    42  *        compiler.c2.aarch64.TestUnsafeVolatileCAE

    43  *        compiler.c2.aarch64.TestUnsafeVolatileGAS

    44  *

    45  * @run driver compiler.c2.aarch64.TestVolatilesCMS

    46  *      TestVolatileLoad CMS

    47  *

    48  * @run driver compiler.c2.aarch64.TestVolatilesCMS

    49  *      TestVolatileStore CMS

    50  *

    51  * @run driver compiler.c2.aarch64.TestVolatilesCMS

    52  *      TestUnsafeVolatileLoad CMS

    53  *

    54  * @run driver compiler.c2.aarch64.TestVolatilesCMS

    55  *      TestUnsafeVolatileStore CMS

    56  *

    57  * @run driver compiler.c2.aarch64.TestVolatilesCMS

    58  *      TestUnsafeVolatileCAS CMS

    59  *

    60  * @run driver compiler.c2.aarch64.TestVolatilesCMS

    61  *      TestUnsafeVolatileWeakCAS CMS

    62  *

    63  * @run driver compiler.c2.aarch64.TestVolatilesCMS

    64  *      TestUnsafeVolatileCAE CMS

    65  *

    66  * @run driver compiler.c2.aarch64.TestVolatilesCMS

    67  *      TestUnsafeVolatileGAS CMS

    68  */

    69 

    70 package compiler.c2.aarch64;

    71 

    72 public class TestVolatilesCMS {

    73     public static void main(String args[]) throws Throwable

    74     {

    75         // delegate work to shared code

    76         new TestVolatiles().runtest(args[0], args[1]);

    77     }

    78 }