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
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug 8211100
  27  * @summary hotspot C1 issue with comparing long numbers on x86 32-bit
  28  *
  29  * @run main/othervm -XX:+PrintCompilation -XX:CompileOnly=compiler.c1.Test8211100::test
  30  *                   -XX:CompileCommand=quiet compiler.c1.Test8211100
  31  */
  32 
  33 package compiler.c1;
  34 
  35 public class Test8211100 {
  36     private static final int ITERATIONS = 100_000;
  37 
  38     public static void main(String[] args) {
  39         for (int i = 0; i < ITERATIONS; i++) {
  40             test(4558828911L,
  41                  4294967296L);
  42         }
  43     }
  44 
  45     private static void test(long one, long two) {
  46         while (true) {
  47             if (one >= two) {
  48                 break;
  49             }
  50         }
  51     }
  52 }