Test8011901.java revision 12290:8953c0318163 
1/*
2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. 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 * @bug 8011901
27 * @summary instruct xaddL_no_res shouldn't allow 64 bit constants.
28 * @modules java.base/jdk.internal.misc:+open
29 *
30 * @run main/othervm -XX:-BackgroundCompilation compiler.codegen.Test8011901
31 */
32
33package compiler.codegen;
34
35import jdk.internal.misc.Unsafe;
36
37import java.lang.reflect.Field;
38
39public class Test8011901 {
40
41    private long ctl;
42
43    private static final Unsafe U;
44    private static final long CTL;
45
46    static {
47        try {
48            Field unsafe = Unsafe.class.getDeclaredField("theUnsafe");
49            unsafe.setAccessible(true);
50            U = (Unsafe) unsafe.get(null);
51            CTL = U.objectFieldOffset(Test8011901.class.getDeclaredField("ctl"));
52        } catch (Exception e) {
53            throw new Error(e);
54        }
55    }
56
57    public static void main(String[] args) {
58        for(int c = 0; c < 20000; c++) {
59            new Test8011901().makeTest();
60        }
61        System.out.println("Test Passed");
62    }
63
64    public static final long EXPECTED = 1L << 42;
65
66    public void makeTest() {
67        U.getAndAddLong(this, CTL, EXPECTED);
68        if (ctl != EXPECTED) {
69            throw new RuntimeException("Test failed. Expected: " + EXPECTED + ", but got = " + ctl);
70        }
71    }
72}
73