hotspot/src/cpu/x86/vm/c2_init_x86.cpp
author trims
Thu, 12 Mar 2009 18:16:36 -0700
changeset 2154 72a9b7284ccf
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
Merge
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
489c9b5090e2 Initial load
duke
parents:
diff changeset
     2
 * Copyright 2000-2005 Sun Microsystems, Inc.  All Rights Reserved.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    19
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    20
 * CA 95054 USA or visit www.sun.com if you need additional information or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    21
 * have any questions.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
489c9b5090e2 Initial load
duke
parents:
diff changeset
    25
# include "incls/_precompiled.incl"
489c9b5090e2 Initial load
duke
parents:
diff changeset
    26
# include "incls/_c2_init_x86.cpp.incl"
489c9b5090e2 Initial load
duke
parents:
diff changeset
    27
489c9b5090e2 Initial load
duke
parents:
diff changeset
    28
// processor dependent initialization for i486
489c9b5090e2 Initial load
duke
parents:
diff changeset
    29
489c9b5090e2 Initial load
duke
parents:
diff changeset
    30
void Compile::pd_compiler2_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
  guarantee(CodeEntryAlignment >= InteriorEntryAlignment, "" );
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
  // QQQ presumably all 64bit cpu's support this. Seems like the ifdef could
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
  // simply be left out.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
#ifndef AMD64
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
  if (!VM_Version::supports_cmov()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
    ConditionalMoveLimit = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
#endif // AMD64
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
}