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.Shenandoah
  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  *
  42  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  43  *      TestVolatileLoad Shenandoah
  44  *
  45  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  46  *      TestVolatileStore Shenandoah
  47  *
  48  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  49  *      TestUnsafeVolatileLoad Shenandoah
  50  *
  51  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  52  *      TestUnsafeVolatileStore Shenandoah
  53  *
  54  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  55  *      TestUnsafeVolatileCAS Shenandoah
  56  *
  57  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  58  *      TestVolatileLoad ShenandoahTraversal
  59  *
  60  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  61  *      TestVolatileStore ShenandoahTraversal
  62  *
  63  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  64  *      TestUnsafeVolatileLoad ShenandoahTraversal
  65  *
  66  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  67  *      TestUnsafeVolatileStore ShenandoahTraversal
  68  *
  69  * @run driver compiler.c2.aarch64.TestVolatilesSerial
  70  *      TestUnsafeVolatileCAS ShenandoahTraversal
  71  */
  72 
  73 package compiler.c2.aarch64;
  74 
  75 public class TestVolatilesShenandoah {
  76     public static void main(String args[]) throws Throwable
  77     {
  78         // delegate work to shared code
  79         new TestVolatiles().runtest(args[0], args[1]);
  80     }
  81 }