Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/compiler/8011901/Test8011901.java	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,68 @@
     1.4 +/*
     1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 8011901
    1.30 + * @summary instruct xaddL_no_res shouldn't allow 64 bit constants.
    1.31 + * @run main/othervm -XX:-BackgroundCompilation Test8011901
    1.32 + *
    1.33 + */
    1.34 +
    1.35 +import java.lang.reflect.*;
    1.36 +import sun.misc.*;
    1.37 +
    1.38 +public class Test8011901 {
    1.39 +
    1.40 +    private long ctl;
    1.41 +
    1.42 +    private static final sun.misc.Unsafe U;
    1.43 +    private static final long CTL;
    1.44 +
    1.45 +    static {
    1.46 +        try {
    1.47 +            Field unsafe = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
    1.48 +            unsafe.setAccessible(true);
    1.49 +            U = (sun.misc.Unsafe) unsafe.get(null);
    1.50 +            CTL = U.objectFieldOffset(Test8011901.class.getDeclaredField("ctl"));
    1.51 +        } catch (Exception e) {
    1.52 +            throw new Error(e);
    1.53 +        }
    1.54 +    }
    1.55 +
    1.56 +    public static void main(String[] args) {
    1.57 +        for(int c = 0; c < 20000; c++) {
    1.58 +            new Test8011901().makeTest();
    1.59 +        }
    1.60 +        System.out.println("Test Passed");
    1.61 +    }
    1.62 +
    1.63 +    public static final long EXPECTED = 1L << 42;
    1.64 +
    1.65 +    public void makeTest() {
    1.66 +        U.getAndAddLong(this, CTL, EXPECTED);
    1.67 +        if (ctl != EXPECTED) {
    1.68 +            throw new RuntimeException("Test failed. Expected: " + EXPECTED + ", but got = " + ctl);
    1.69 +        }
    1.70 +    }
    1.71 +}