File: TestLongVectorNeg.java

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/*
 * Copyright (c) 2021, 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.
 */

package compiler.vectorapi;

import jdk.incubator.vector.LongVector;

/*
 * @test
 * @bug 8275643
 * @summary Test that LongVector.neg is properly handled by the _VectorUnaryOp C2 intrinsic
 * @modules jdk.incubator.vector
 * @requires vm.debug
 * @run main/othervm -XX:-TieredCompilation -XX:+AlwaysIncrementalInline -Xbatch
 *                   -XX:CompileCommand=dontinline,compiler.vectorapi.TestLongVectorNeg::test
 *                   compiler.vectorapi.TestLongVectorNeg
 */
public class TestLongVectorNeg {

    static LongVector test(LongVector v) {
        return v.neg();
    }

    public static void main(String[] args) {
        LongVector v = LongVector.zero(LongVector.SPECIES_128);
        for (int i = 0; i < 50_000; ++i) {
            v.abs(); // Warmup to make sure the !VO_SPECIAL code path is taken as well
            test(v);
        }
    }
}