/* * Copyright (c) 2019, 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. * * 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. */ /* * @test * @bug 8134739 8010500 * @summary SEGV in SuperWord::get_pre_loop_end * @run main/othervm compiler.loopopts.superword.TestFuzzPreLoop */ package compiler.loopopts.superword; public class TestFuzzPreLoop { static Object sink; short sFld = -19206; void doTest() { int[] arr = new int[400]; for (int i1 = 0; i1 < 200; i1++) { for (int i2 = 0; i2 < 100; i2++) { sink = new int[400]; } arr[i1] = 0; } float f1 = 0; for (int i3 = 0; i3 < 200; i3++) { f1 += i3 * i3; } for (int i4 = 0; i4 < 200; i4++) { f1 += i4 - sFld; } System.out.println(arr); System.out.println(f1); } public static void main(String... args) throws Exception { TestFuzzPreLoop test = new TestFuzzPreLoop(); for (int i = 0; i < 100; i++) { test.doTest(); } } }