hotspot/test/compiler/8011901/Test8011901.java
author malenkov
Thu, 22 May 2014 21:05:30 +0400
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parent 17035 6bc3ba037e8a
permissions -rw-r--r--
8043627: NPE in SynthContext in plugin mode Reviewed-by: alexsch, serb, pchelko
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/*
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 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 8011901
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 * @summary instruct xaddL_no_res shouldn't allow 64 bit constants.
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 * @run main/othervm -XX:-BackgroundCompilation Test8011901
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 *
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 */
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import java.lang.reflect.*;
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import sun.misc.*;
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public class Test8011901 {
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    private long ctl;
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    private static final sun.misc.Unsafe U;
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    private static final long CTL;
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    static {
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        try {
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            Field unsafe = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
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            unsafe.setAccessible(true);
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            U = (sun.misc.Unsafe) unsafe.get(null);
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            CTL = U.objectFieldOffset(Test8011901.class.getDeclaredField("ctl"));
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        } catch (Exception e) {
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            throw new Error(e);
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        }
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    }
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    public static void main(String[] args) {
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        for(int c = 0; c < 20000; c++) {
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            new Test8011901().makeTest();
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        }
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        System.out.println("Test Passed");
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    }
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    public static final long EXPECTED = 1L << 42;
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    public void makeTest() {
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        U.getAndAddLong(this, CTL, EXPECTED);
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        if (ctl != EXPECTED) {
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            throw new RuntimeException("Test failed. Expected: " + EXPECTED + ", but got = " + ctl);
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        }
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    }
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}