1 /* 2 * Copyright (c) 2018, 2019, 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 * @run main compiler.BadLogicCode 30 */ 31 32 package compiler; 33 34 public class BadLogicCode { 35 static int values[] = {Integer.MIN_VALUE, -1, 0, 1, 4, 16, 31, 36 32, 33, Integer.MAX_VALUE}; 37 static char b[][] = {null, new char[32]}; 38 static boolean nullPtr = false, indexOutBnd = false; 39 static boolean indexOutBnd2 = false; 40 41 public static void main(String args[]) throws Exception{ 42 int i = 1, j = 4, k = 9; 43 44 nullPtr = (b[i] == null); 45 46 int bufLen = nullPtr ? 0 : b[i].length; 47 indexOutBnd = (values[j] < 0) 48 || (values[j] > bufLen) 49 || (values[k] < 0) 50 || ((values[j] + values[k]) > bufLen) 51 ||((values[j] + values[k]) < 0); 52 53 indexOutBnd2 = (values[j] < 0); 54 indexOutBnd2 = indexOutBnd2 || (values[j] > bufLen); 55 indexOutBnd2 = indexOutBnd2 || (values[k] < 0); 56 indexOutBnd2 = indexOutBnd2 || ((values[j] + values[k]) > bufLen); 57 indexOutBnd2 = indexOutBnd2 ||((values[j] + values[k]) < 0); 58 if (indexOutBnd != indexOutBnd2) 59 throw new Error("logic expression generate different results"); 60 } 61 }