hotspot/test/runtime/LocalLong/LocalLongTest.java
author mockner
Tue, 13 Sep 2016 11:04:29 -0400
changeset 41082 a0ed7f3b6205
child 42307 cefc81dc1d52
permissions -rw-r--r--
8163014: Mysterious/wrong value for "long" frame local variable on 64-bit Summary: The high byte of a long variable on a 64-bit platform is now zeroed when it is pushed to stack. Reviewed-by: coleenp, dlong

/*
 * Copyright (c) 2016, 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 LocalLongTest
 * @bug 8163014
 * @modules java.base/jdk.internal.misc
 * @library /test/lib
 * @compile LocalLongHelper.java
 * @run driver LocalLongTest
 */

import jdk.test.lib.Platform;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;

public class LocalLongTest {
    public static void main(String... args) throws Exception {
        if (Platform.is64bit()) {
            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xint",
                                                                      "LocalLongHelper");
            OutputAnalyzer o = new OutputAnalyzer(pb.start());
            o.shouldHaveExitValue(0);
        }
    };
}