Java example source code file (Test6863155.java)

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test6863155

The Test6863155.java Java example source code

/*
 * Copyright (c) 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 6863155
 * @summary Server compiler generates incorrect code (x86, long, bitshift, bitmask)
 *
 * @run main/othervm -Xcomp -XX:CompileOnly=Test6863155.test Test6863155
 */

public class Test6863155 {
    private static long test(byte b) {
        return b << 24 & 0xff000000L;
    }

    public static void main(String... args) {
        long result = test((byte) 0xc2);
        long expected = 0x00000000c2000000L;
        if (result != expected)
            throw new InternalError(Long.toHexString(result) + " != " + Long.toHexString(expected));
    }
}