1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. 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 26 * @bug 4157675 27 * @summary Solaris JIT generates bad code for logic expression 28 * @author Tom Rodriguez 29 */ 30 31 public class BadLogicCode { 32 static int values[] = {Integer.MIN_VALUE, -1, 0, 1, 4, 16, 31, 33 32, 33, Integer.MAX_VALUE}; 34 static char b[][] = {null, new char[32]}; 35 static boolean nullPtr = false, indexOutBnd = false; 36 static boolean indexOutBnd2 = false; 37 38 public static void main(String args[]) throws Exception{ 39 int i = 1, j = 4, k = 9; 40 41 nullPtr = (b[i] == null); 42 43 int bufLen = nullPtr ? 0 : b[i].length; 44 indexOutBnd = (values[j] < 0) 45 || (values[j] > bufLen) 46 || (values[k] < 0) 47 || ((values[j] + values[k]) > bufLen) 48 ||((values[j] + values[k]) < 0); 49 50 indexOutBnd2 = (values[j] < 0); 51 indexOutBnd2 = indexOutBnd2 || (values[j] > bufLen); 52 indexOutBnd2 = indexOutBnd2 || (values[k] < 0); 53 indexOutBnd2 = indexOutBnd2 || ((values[j] + values[k]) > bufLen); 54 indexOutBnd2 = indexOutBnd2 ||((values[j] + values[k]) < 0); 55 if (indexOutBnd != indexOutBnd2) 56 throw new Error("logic expression generate different results"); 57 } 58 }