hotspot/test/compiler/vectorization/TestVectorUnalignedOffset.java

/*
 * Copyright (c) 2016, Red Hat, Inc. 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.
 *
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 */

/**
 * @test
 * @bug 8155612
 * @summary Aarch64: vector nodes need to support misaligned offset
 *
 * @run main/othervm -XX:-BackgroundCompilation compiler.vectorization.TestVectorUnalignedOffset
 */

package compiler.vectorization;

public class TestVectorUnalignedOffset {

    static void test1(int[] src_array, int[] dst_array, int l) {
        for (int i = 0; i < l; i++) {
            dst_array[i + 250] = src_array[i + 250];
        }
    }

    static void test2(byte[] src_array, byte[] dst_array, int l) {
        for (int i = 0; i < l; i++) {
            dst_array[i + 250] = src_array[i + 250];
        }
    }

    static public void main(String[] args) {
        int[] int_array = new int[1000];
        byte[] byte_array = new byte[1000];
        for (int i = 0; i < 20000; i++) {
            test1(int_array, int_array, int_array.length - 250);
            test2(byte_array, byte_array, byte_array.length - 250);
        }
    }
}