]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Distributed under the Boost Software License, Version 1.0. | |
3 | * (See accompanying file LICENSE_1_0.txt or copy at | |
4 | * http://www.boost.org/LICENSE_1_0.txt) | |
5 | * | |
6 | * Copyright (c) 2009 Helge Bahmann | |
7 | * Copyright (c) 2013 Tim Blechmann | |
8 | * Copyright (c) 2012 - 2014 Andrey Semashev | |
9 | */ | |
10 | /*! | |
11 | * \file atomic/detail/caps_msvc_x86.hpp | |
12 | * | |
13 | * This header defines feature capabilities macros | |
14 | */ | |
15 | ||
16 | #ifndef BOOST_ATOMIC_DETAIL_CAPS_MSVC_X86_HPP_INCLUDED_ | |
17 | #define BOOST_ATOMIC_DETAIL_CAPS_MSVC_X86_HPP_INCLUDED_ | |
18 | ||
19 | #include <boost/atomic/detail/config.hpp> | |
20 | ||
21 | #ifdef BOOST_HAS_PRAGMA_ONCE | |
22 | #pragma once | |
23 | #endif | |
24 | ||
25 | #if defined(_M_IX86) && _M_IX86 >= 500 | |
26 | #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1 | |
27 | #endif | |
28 | ||
29 | #if _MSC_VER >= 1500 && defined(_M_AMD64) && !defined(BOOST_ATOMIC_NO_CMPXCHG16B) | |
30 | #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1 | |
31 | #endif | |
32 | ||
33 | #if defined(_MSC_VER) && (defined(_M_AMD64) || (defined(_M_IX86) && defined(_M_IX86_FP) && _M_IX86_FP >= 2)) | |
34 | // Use mfence only if SSE2 is available | |
35 | #define BOOST_ATOMIC_DETAIL_X86_HAS_MFENCE 1 | |
36 | #endif | |
37 | ||
38 | #define BOOST_ATOMIC_INT8_LOCK_FREE 2 | |
39 | #define BOOST_ATOMIC_INT16_LOCK_FREE 2 | |
40 | #define BOOST_ATOMIC_INT32_LOCK_FREE 2 | |
41 | ||
42 | #if defined(_M_AMD64) || defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B) | |
43 | #define BOOST_ATOMIC_INT64_LOCK_FREE 2 | |
44 | #endif | |
45 | ||
46 | #if defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B) && (defined(BOOST_HAS_INT128) || !defined(BOOST_NO_ALIGNMENT)) | |
47 | #define BOOST_ATOMIC_INT128_LOCK_FREE 2 | |
48 | #endif | |
49 | ||
50 | #define BOOST_ATOMIC_POINTER_LOCK_FREE 2 | |
51 | ||
52 | #define BOOST_ATOMIC_THREAD_FENCE 2 | |
53 | #define BOOST_ATOMIC_SIGNAL_FENCE 2 | |
54 | ||
55 | #endif // BOOST_ATOMIC_DETAIL_CAPS_MSVC_X86_HPP_INCLUDED_ |