1 /*
   2  * Copyright (c) 2009 SAP SE. 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 6910484
  27  * @summary incorrect integer optimization (loosing and op-r in a given example)
  28  *
  29  * @run main/othervm -Xbatch Test
  30  */
  31 
  32 public class Test {
  33 
  34     public static void main(String[] args) {
  35         long iteration = 0;
  36         for(int i = 0; i <11000; i++) {
  37             iteration++;
  38             int result = test(255);
  39             if (result != 112) {
  40                 System.out.println("expected 112, but got " + result + " after iteration " + iteration);
  41                 System.exit(97);
  42             }
  43         }
  44     }
  45 
  46     private static int test(int x) {
  47         return (x & -32) / 2;
  48     }
  49 
  50 }