1 /*

     2  * Copyright (c) 2016, 2018, Red Hat, Inc. All rights reserved.

     3  *

     4  * This code is free software; you can redistribute it and/or modify it

     5  * under the terms of the GNU General Public License version 2 only, as

     6  * published by the Free Software Foundation.

     7  *

     8  * This code is distributed in the hope that it will be useful, but WITHOUT

     9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    11  * version 2 for more details (a copy is included in the LICENSE file that

    12  * accompanied this code).

    13  *

    14  * You should have received a copy of the GNU General Public License version

    15  * 2 along with this work; if not, write to the Free Software Foundation,

    16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    17  *

    18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    19  * or visit www.oracle.com if you need additional information or have any

    20  * questions.

    21  *

    22  */

    23 

    24 /* @test TestC1VectorizedMismatch

    25  * @summary test C1 vectorized mismatch intrinsic

    26  * @key gc

    27  * @requires vm.gc.Shenandoah

    28  * @run main/othervm -XX:TieredStopAtLevel=1 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive TestC1VectorizedMismatch

    29  */

    30 

    31 import java.util.Arrays;

    32 

    33 public class TestC1VectorizedMismatch {

    34 

    35     private static final int NUM_RUNS = 10000;

    36     private static final int ARRAY_SIZE = 10000;

    37     private static int[] a;

    38     private static int[] b;

    39 

    40     public static void main(String[] args) {

    41         a = new int[ARRAY_SIZE];

    42         b = new int[ARRAY_SIZE];

    43         for (int i = 0; i < NUM_RUNS; i++) {

    44             test();

    45         }

    46     }

    47 

    48     private static void test() {

    49         int[] a1 = new int[ARRAY_SIZE];

    50         int[] b1 = new int[ARRAY_SIZE];

    51         fillArray(a);

    52         System.arraycopy(a, 0, b, 0, ARRAY_SIZE);

    53         if (!Arrays.equals(a, b)) {

    54             throw new RuntimeException("arrays not equal");

    55         }

    56     }

    57 

    58     private static void fillArray(int[] array) {

    59         for (int i = 0; i < ARRAY_SIZE; i++) {

    60             int val = (int) (Math.random() * Integer.MAX_VALUE);

    61             array[i] = val;

    62         }

    63     }

    64 }