1 /*
   2  * Copyright (c) 2013, 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 8026722
  27  * @summary Verify that the compare after addExact is a signed compare
  28  * @compile CompareTest.java
  29  * @run main CompareTest
  30  *
  31  */
  32 
  33 public class CompareTest {
  34     public static long store = 0;
  35     public static long addValue = 1231;
  36 
  37     public static void main(String[] args) {
  38         for (int i = 0; i < 20000; ++i) {
  39             runTest(i, i);
  40             runTest(i-1, i);
  41         }
  42     }
  43 
  44     public static long create(long value, int v) {
  45         if ((value | v) == 0) {
  46             return 0;
  47         }
  48 
  49         // C2 turned this test into unsigned test when a control edge was set on the Cmp
  50         if (value < -31557014167219200L || value > 31556889864403199L) {
  51             throw new RuntimeException("error");
  52         }
  53 
  54         return value;
  55     }
  56 
  57     public static void runTest(long value, int value2) {
  58         long res = Math.addExact(value, addValue);
  59         store = create(res, Math.floorMod(value2, 100000));
  60     }
  61 }