prefetch_aix_ppc.inline.hpp revision 7575:a7fd2288ce2f 
1/*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2013 SAP AG. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
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24 */
25
26#ifndef OS_CPU_AIX_PPC_VM_PREFETCH_AIX_PPC_INLINE_HPP
27#define OS_CPU_AIX_PPC_VM_PREFETCH_AIX_PPC_INLINE_HPP
28
29#include "runtime/prefetch.hpp"
30
31
32inline void Prefetch::read(void *loc, intx interval) {
33#if !defined(USE_XLC_BUILTINS)
34  __asm__ __volatile__ (
35    "   dcbt   0, %0       \n"
36    :
37    : /*%0*/"r" ( ((address)loc) +((long)interval) )
38    //:
39    );
40#else
41  __dcbt(((address)loc) +((long)interval));
42#endif
43}
44
45inline void Prefetch::write(void *loc, intx interval) {
46#if !defined(USE_XLC_PREFETCH_WRITE_BUILTIN)
47  __asm__ __volatile__ (
48    "   dcbtst 0, %0       \n"
49    :
50    : /*%0*/"r" ( ((address)loc) +((long)interval) )
51    //:
52    );
53#else
54  __dcbtst( ((address)loc) +((long)interval) );
55#endif
56}
57
58#endif // OS_CPU_AIX_PPC_VM_PREFETCH_AIX_PPC_INLINE_HPP
59