hotspot/test/compiler/5091921/Test7005594.java
author jlaskey
Tue, 23 Jul 2013 12:00:29 -0300
changeset 19089 51cfdcf21d35
parent 9944 cd527b70bfe4
child 24340 30d481fc4e30
permissions -rw-r--r--
8021130: Comments need to be tokens Reviewed-by: lagergren, attila Contributed-by: james.laskey@oracle.com
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
9446
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
     1
/*
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
     2
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
     4
 *
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
     7
 * published by the Free Software Foundation.
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
     8
 *
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    13
 * accompanied this code).
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    14
 *
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    18
 *
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    21
 * questions.
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    22
 *
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    23
 */
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    24
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    25
/**
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    26
 * @test
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    27
 * @bug 7005594
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    28
 * @summary Array overflow not handled correctly with loop optimzations
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    29
 *
9944
cd527b70bfe4 7045570: compiler/5091921/Test7005594.java failed because not enough space for object heap
kvn
parents: 9446
diff changeset
    30
 * @run shell Test7005594.sh
9446
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    31
 */
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    32
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    33
public class Test7005594 {
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    34
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    35
      static int test(byte a[]){
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    36
          int result=0;
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    37
          for( int i=0; i<a.length; i+=((0x7fffffff>>1)+1) ){
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    38
              result += a[i];
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    39
          }
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    40
          return result;
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    41
      }
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    42
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    43
      public static void main(String [] args){
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    44
          byte a[]=new byte[(0x7fffffff>>1)+2];
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    45
          int result = 0;
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    46
          try {
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    47
              result = test(a);
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    48
          } catch (ArrayIndexOutOfBoundsException e) {
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    49
              e.printStackTrace(System.out);
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    50
              System.out.println("Passed");
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    51
              System.exit(95);
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    52
          }
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    53
          System.out.println(result);
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    54
          System.out.println("FAILED");
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    55
          System.exit(97);
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    56
      }
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    57
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    58
}
748a37b25d10 5091921: Sign flip issues in loop optimizer
kvn
parents:
diff changeset
    59