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