hotspot/test/compiler/c1/Test6757316.java
author thartmann
Fri, 14 Jul 2017 11:55:58 +0200
changeset 46663 715d5f268f62
parent 40059 c2304140ed64
permissions -rw-r--r--
8184271: Time related C1 intrinsics produce inconsistent results when floating around Summary: C1 intrinsics for System.nanoTime(), System.currentTimeMillis() and JVM.counterTime() should be pinned. Reviewed-by: kvn, vlivanov

/*
 * Copyright (c) 2008, 2009, 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 6757316
 * @summary load_constant() produces a wrong long constant, with high a low words swapped
 *
 * @run main/othervm -Xcomp compiler.c1.Test6757316
 */

package compiler.c1;

public class Test6757316 {
    public static void main(String[] args) {
        long[] arr = {
            0x11111111aaaaaaaaL,
            0xaaaaaaaa11111111L,
            0x11111111aaaaaaaaL,
            0xaaaaaaaa11111111L
        };
        if (arr[0] == arr[1]) {
            throw new InternalError();
        }
    }
}