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
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  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 }