MultiplyByConstantLongMax.java

/*
 * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
 * @test
 * @bug 8214189
 * @summary test/hotspot/jtreg/compiler/intrinsics/mathexact/MulExactLConstantTest.java fails on Windows x64 when run with -XX:-TieredCompilation
 *
 * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement MultiplyByConstantLongMax
 *
 */

public class MultiplyByConstantLongMax {
    public static void main(String[] args) {
        for (int i = 0; i < 20_000; i++) {
            if (test(1) != Long.MAX_VALUE) {
                throw new RuntimeException("incorrect result");
            }
        }
    }

    private static long test(long v) {
        return v * Long.MAX_VALUE;
    }
}