1 /*
   2  * Copyright (c) 2011, 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 /**
  26  * @test
  27  * @bug 7048332
  28  * @summary Cadd_cmpLTMask doesn't handle 64-bit tmp register properly
  29  *
  30  * @run main/othervm -Xbatch Test7048332
  31  */
  32 
  33 
  34 public class Test7048332 {
  35 
  36   static int capacity = 2;
  37   static int first = 1;
  38   static int last = 2;
  39 
  40   static int test(int i1, int i2, int i3, int i4, int i5, int i6) {
  41     final int result;
  42     if (last >= first) {
  43       result = last - first;
  44     } else {
  45       result = last - first + capacity;
  46     }
  47     return result;
  48   }
  49 
  50   public static void main(String [] args) {
  51     for (int i = 0; i < 11000; i++) {
  52       last = (i & 1) << 1; // 0 or 2
  53       int k = test(1, 2, 3, 4, 5, 6);
  54       if (k != 1) {
  55         System.out.println("FAILED: " + k + " != 1");
  56         System.exit(97);
  57       }
  58     }
  59   }
  60 }