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  *
  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 }