Mercurial > hg > graal-jvmci-8
diff test/compiler/8011901/Test8011901.java @ 10139:35c15dad89ea
8011901: Unsafe.getAndAddLong(obj, off, delta) does not work properly with long deltas
Summary: instruct xaddL_no_res shouldn't allow 64 bit constants.
Reviewed-by: kvn
author | roland |
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date | Tue, 16 Apr 2013 17:06:39 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/8011901/Test8011901.java Tue Apr 16 17:06:39 2013 +0200 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8011901 + * @summary instruct xaddL_no_res shouldn't allow 64 bit constants. + * @run main/othervm -XX:-BackgroundCompilation Test8011901 + * + */ + +import java.lang.reflect.*; +import sun.misc.*; + +public class Test8011901 { + + private long ctl; + + private static final sun.misc.Unsafe U; + private static final long CTL; + + static { + try { + Field unsafe = sun.misc.Unsafe.class.getDeclaredField("theUnsafe"); + unsafe.setAccessible(true); + U = (sun.misc.Unsafe) unsafe.get(null); + CTL = U.objectFieldOffset(Test8011901.class.getDeclaredField("ctl")); + } catch (Exception e) { + throw new Error(e); + } + } + + public static void main(String[] args) { + for(int c = 0; c < 20000; c++) { + new Test8011901().makeTest(); + } + System.out.println("Test Passed"); + } + + public static final long EXPECTED = 1L << 42; + + public void makeTest() { + U.getAndAddLong(this, CTL, EXPECTED); + if (ctl != EXPECTED) { + throw new RuntimeException("Test failed. Expected: " + EXPECTED + ", but got = " + ctl); + } + } +}