test/compiler/6910484/Test.java

/*
 * Copyright 2009 SAP.  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
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 * questions.
 */

/**
 * @test
 * @bug 6910484
 * @summary incorrect integer optimization (loosing and op-r in a given example)
 *
 * @run main/othervm -Xbatch Test
 */

public class Test {

    public static void main(String[] args) {
        long iteration = 0;
        for(int i = 0; i <11000; i++) {
            iteration++;
            int result = test(255);
            if (result != 112) {
                System.out.println("expected 112, but got " + result + " after iteration " + iteration);
                System.exit(97);
            }
        }
    }

    private static int test(int x) {
        return (x & -32) / 2;
    }

}