/* * Copyright (c) 2018, 2019, 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. */ /* * @test * @bug 4157675 * @summary Solaris JIT generates bad code for logic expression * @author Tom Rodriguez * @run main compiler.BadLogicCode */ package compiler; public class BadLogicCode { static int values[] = {Integer.MIN_VALUE, -1, 0, 1, 4, 16, 31, 32, 33, Integer.MAX_VALUE}; static char b[][] = {null, new char[32]}; static boolean nullPtr = false, indexOutBnd = false; static boolean indexOutBnd2 = false; public static void main(String args[]) throws Exception{ int i = 1, j = 4, k = 9; nullPtr = (b[i] == null); int bufLen = nullPtr ? 0 : b[i].length; indexOutBnd = (values[j] < 0) || (values[j] > bufLen) || (values[k] < 0) || ((values[j] + values[k]) > bufLen) ||((values[j] + values[k]) < 0); indexOutBnd2 = (values[j] < 0); indexOutBnd2 = indexOutBnd2 || (values[j] > bufLen); indexOutBnd2 = indexOutBnd2 || (values[k] < 0); indexOutBnd2 = indexOutBnd2 || ((values[j] + values[k]) > bufLen); indexOutBnd2 = indexOutBnd2 ||((values[j] + values[k]) < 0); if (indexOutBnd != indexOutBnd2) throw new Error("logic expression generate different results"); } }