Java example source code file (MulExactICondTest.java)

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mulexacticondtest

The MulExactICondTest.java Java example source code

/*
 * Copyright (c) 2013, 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 8026844
 * @summary Test multiplyExact as condition
 * @compile MulExactICondTest.java
 * @run main MulExactICondTest -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseMathExactIntrinsics
 *
 */

public class MulExactICondTest {
    public static int result = 0;

    public static void main(String[] args) {
        for (int i = 0; i < 50000; ++i) {
            runTest();
        }
    }

    public static void runTest() {
        int i = 7;
        while (java.lang.Math.multiplyExact(i, result) < 89361) {
            if ((java.lang.Math.multiplyExact(i, i) & 1) == 1) {
                i += 3;
            } else if ((i & 5) == 4) {
                i += 7;
            } else if ((i & 0xf) == 6) {
                i += 2;
            } else {
                i += 1;
            }
            result += 2;
        }
    }
}