1 /*
 2  * Copyright (c) 2018, 2020, 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 vm.flagless
32  * @requires os.arch=="aarch64" & vm.debug == true &
33  *           vm.flavor == "server" &
34  *           vm.gc.Shenandoah
35  *
36  * @build compiler.c2.aarch64.TestVolatiles
37  *        compiler.c2.aarch64.TestVolatileLoad
38  *        compiler.c2.aarch64.TestUnsafeVolatileLoad
39  *        compiler.c2.aarch64.TestVolatileStore
40  *        compiler.c2.aarch64.TestUnsafeVolatileStore
41  *        compiler.c2.aarch64.TestUnsafeVolatileCAS
42  *        compiler.c2.aarch64.TestUnsafeVolatileWeakCAS
43  *        compiler.c2.aarch64.TestUnsafeVolatileCAE
44  *        compiler.c2.aarch64.TestUnsafeVolatileGAS
45  *        compiler.c2.aarch64.TestUnsafeVolatileGAA
46  *
47  * @run driver compiler.c2.aarch64.TestVolatilesShenandoah
48  *      TestVolatileLoad Shenandoah
49  *
50  * @run driver compiler.c2.aarch64.TestVolatilesShenandoah
51  *      TestVolatileStore Shenandoah
52  *
53  * @run driver compiler.c2.aarch64.TestVolatilesShenandoah
54  *      TestUnsafeVolatileLoad Shenandoah
55  *
56  * @run driver compiler.c2.aarch64.TestVolatilesShenandoah
57  *      TestUnsafeVolatileStore Shenandoah
58  *
59  * @run driver compiler.c2.aarch64.TestVolatilesShenandoah
60  *      TestUnsafeVolatileCAS Shenandoah
61  *
62  * @run driver compiler.c2.aarch64.TestVolatilesShenandoah
63  *      TestUnsafeVolatileWeakCAS Shenandoah
64  *
65  * @run driver compiler.c2.aarch64.TestVolatilesShenandoah
66  *      TestUnsafeVolatileCAE Shenandoah
67  *
68  * @run driver compiler.c2.aarch64.TestVolatilesShenandoah
69  *      TestUnsafeVolatileGAS Shenandoah
70  *
71  * @run driver compiler.c2.aarch64.TestVolatilesShenandoah
72  *      TestUnsafeVolatileGAA Shenandoah
73  *
74  */
75 
76 package compiler.c2.aarch64;
77 
78 public class TestVolatilesShenandoah {
79     public static void main(String args[]) throws Throwable
80     {
81         // delegate work to shared code
82         new TestVolatiles().runtest(args[0], args[1]);
83     }
84 }