/* * 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.vectorization; /** * @test * @bug 8263972 * @requires vm.compiler2.enabled & vm.compMode != "Xint" * * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileCommand=quiet -XX:CompileCommand=compileonly,*TestMemoryVectorMismatched::test compiler.vectorization.TestMemoryVectorMismatched */ public class TestMemoryVectorMismatched { public static void main(String[] g) { int a = 400; long expected = -35984L; for (int i = 0; i < 10; i++) { long v = test(a); if (v != expected) { throw new AssertionError("Wrong result: " + v + " != " + expected); } } } static long test(int a) { int i16, d = 5, e = -56973; long f[] = new long[a]; init(f, 5); for (i16 = 2; i16 < 92; i16++) { f[i16 - 1] *= d; f[i16 + 1] *= d; } while (++e < 0) { } return checkSum(f); } public static void init(long[] a, long seed) { for (int j = 0; j < a.length; j++) { a[j] = (j % 2 == 0) ? seed + j : seed - j; } } public static long checkSum(long[] a) { long sum = 0; for (int j = 0; j < a.length; j++) { sum += (a[j] / (j + 1) + a[j] % (j + 1)); } return sum; } }