1 /* 2 * Copyright (c) 2016, 2018, Red Hat, Inc. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /* @test TestC1VectorizedMismatch 26 * @summary test C1 vectorized mismatch intrinsic 27 * @key randomness 28 * @requires vm.gc.Shenandoah & !vm.graal.enabled 29 * @library /test/lib 30 * 31 * @run main/othervm -XX:TieredStopAtLevel=1 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive TestC1VectorizedMismatch 32 */ 33 34 import java.util.Arrays; 35 import java.util.Random; 36 import jdk.test.lib.Utils; 37 38 public class TestC1VectorizedMismatch { 39 40 private static final int NUM_RUNS = 10000; 41 private static final int ARRAY_SIZE = 10000; 42 private static int[] a; 43 private static int[] b; 44 45 public static void main(String[] args) { 46 a = new int[ARRAY_SIZE]; 47 b = new int[ARRAY_SIZE]; 48 for (int i = 0; i < NUM_RUNS; i++) { 49 test(); 50 } 51 } 52 53 private static void test() { 54 int[] a1 = new int[ARRAY_SIZE]; 55 int[] b1 = new int[ARRAY_SIZE]; 56 fillArray(a); 57 System.arraycopy(a, 0, b, 0, ARRAY_SIZE); 58 if (!Arrays.equals(a, b)) { 59 throw new RuntimeException("arrays not equal"); 60 } 61 } 62 63 private static void fillArray(int[] array) { 64 Random r = Utils.getRandomInstance(); 65 for (int i = 0; i < ARRAY_SIZE; i++) { 66 int val = (int) (r.nextDouble() * Integer.MAX_VALUE); 67 array[i] = val; 68 } 69 } 70 }