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- /*
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- *
- * Copyright (c) 2009 Helge Bahmann
- * Copyright (c) 2013 Tim Blechmann
- * Copyright (c) 2012 - 2014 Andrey Semashev
- */
- /*!
- * \file atomic/detail/caps_msvc_x86.hpp
- *
- * This header defines feature capabilities macros
- */
- #ifndef BOOST_ATOMIC_DETAIL_CAPS_MSVC_X86_HPP_INCLUDED_
- #define BOOST_ATOMIC_DETAIL_CAPS_MSVC_X86_HPP_INCLUDED_
- #include <boost/atomic/detail/config.hpp>
- #ifdef BOOST_HAS_PRAGMA_ONCE
- #pragma once
- #endif
- #if defined(_M_IX86) && _M_IX86 >= 500
- #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1
- #endif
- #if !defined(BOOST_ATOMIC_NO_CMPXCHG16B)
- #if defined(__clang__) && (defined(_M_AMD64) || defined(__x86_64__)) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
- #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1
- #elif _MSC_VER >= 1500 && defined(_M_AMD64)
- #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1
- #endif
- #endif
- #if defined(_MSC_VER) && (defined(_M_AMD64) || (defined(_M_IX86) && defined(_M_IX86_FP) && _M_IX86_FP >= 2))
- // Use mfence only if SSE2 is available
- #define BOOST_ATOMIC_DETAIL_X86_HAS_MFENCE 1
- #endif
- #define BOOST_ATOMIC_INT8_LOCK_FREE 2
- #define BOOST_ATOMIC_INT16_LOCK_FREE 2
- #define BOOST_ATOMIC_INT32_LOCK_FREE 2
- #if defined(_M_AMD64) || defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B)
- #define BOOST_ATOMIC_INT64_LOCK_FREE 2
- #endif
- #if defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B) && (defined(BOOST_HAS_INT128) || !defined(BOOST_NO_ALIGNMENT))
- #define BOOST_ATOMIC_INT128_LOCK_FREE 2
- #endif
- #define BOOST_ATOMIC_POINTER_LOCK_FREE 2
- #define BOOST_ATOMIC_THREAD_FENCE 2
- #define BOOST_ATOMIC_SIGNAL_FENCE 2
- #endif // BOOST_ATOMIC_DETAIL_CAPS_MSVC_X86_HPP_INCLUDED_
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