c2_init_x86.cpp revision 1472:c18cbe5936b8 
1/*
2 * Copyright (c) 2000, 2005, 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.
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23 */
24
25# include "incls/_precompiled.incl"
26# include "incls/_c2_init_x86.cpp.incl"
27
28// processor dependent initialization for i486
29
30void Compile::pd_compiler2_init() {
31  guarantee(CodeEntryAlignment >= InteriorEntryAlignment, "" );
32  // QQQ presumably all 64bit cpu's support this. Seems like the ifdef could
33  // simply be left out.
34#ifndef AMD64
35  if (!VM_Version::supports_cmov()) {
36    ConditionalMoveLimit = 0;
37  }
38#endif // AMD64
39}
40