hotspot/test/compiler/codegen/LoadWithMask2.java
author zgu
Thu, 04 Sep 2014 14:50:31 -0400
changeset 26561 e104c9397ca1
parent 22513 dc47bc8ecb75
child 26916 8a1deee4f9b4
permissions -rw-r--r--
8055289: Internal Error: mallocTracker.cpp:146 fatal error: Should not use malloc for big memory block, use virtual memory instead Summary: Return NULL if memory allocation size is bigger than MAX_MALLOC_SIZE when NMT is on Reviewed-by: coleenp, gtriantafill
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
22513
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
     1
/*
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
     2
 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
     4
 *
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
     7
 * published by the Free Software Foundation.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
     8
 *
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    13
 * accompanied this code).
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    14
 *
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    18
 *
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    21
 * questions.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    22
 */
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    23
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    24
/*
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    25
 * @test
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    26
 * @bug 8031743
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    27
 * @summary loadI2L_immI broken for negative memory values
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    28
 * @run main/othervm -server -Xbatch -XX:-TieredCompilation -XX:CompileCommand=compileonly,*.foo* LoadWithMask2
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    29
 *
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    30
 */
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    31
public class LoadWithMask2 {
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    32
  static int x;
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    33
  static long foo1() {
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    34
    return x & 0xfffffffe;
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    35
  }
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    36
  static long foo2() {
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    37
    return x & 0xff000000;
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    38
  }
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    39
  static long foo3() {
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    40
    return x & 0x8abcdef1;
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    41
  }
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    42
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    43
  public static void main(String[] args) {
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    44
    x = -1;
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    45
    long l = 0;
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    46
    for (int i = 0; i < 100000; ++i) {
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    47
      l = foo1() & foo2() & foo3();
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    48
    }
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    49
    if (l > 0) {
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    50
      System.out.println("FAILED");
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    51
      System.exit(97);
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    52
    }
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    53
    System.out.println("PASSED");
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    54
  }
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values
iveresov
parents:
diff changeset
    55
}