| /* |
| * Copyright (c) 2013, 2015, 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. |
| * @modules java.base/jdk.internal.misc |
| * @run main/othervm -XX:-BackgroundCompilation Test8011901 |
| * |
| */ |
| |
| import java.lang.reflect.Field; |
| import jdk.internal.misc.Unsafe; |
| |
| public class Test8011901 { |
| |
| private long ctl; |
| |
| private static final Unsafe U; |
| private static final long CTL; |
| |
| static { |
| try { |
| Field unsafe = Unsafe.class.getDeclaredField("theUnsafe"); |
| unsafe.setAccessible(true); |
| U = (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); |
| } |
| } |
| } |