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d361e123c6
c27aa31f0 Updated Boost to v1.70.0 including iterator range math numeric crc circular_buffer multi_index intrusive git-subtree-dir: boost git-subtree-split: c27aa31f06ebf1a91b3fa3ae9df9b5efdf14ec9f
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
/*
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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) 2017 Andrey Semashev
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*/
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/*!
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* \file atomic/detail/hwcaps_gcc_x86.hpp
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*
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* This header defines hardware capabilities macros for x86
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*/
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#ifndef BOOST_ATOMIC_DETAIL_HWCAPS_GCC_X86_HPP_INCLUDED_
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#define BOOST_ATOMIC_DETAIL_HWCAPS_GCC_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(__GNUC__)
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#if defined(__i386__) &&\
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(\
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defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8) ||\
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defined(__i586__) || defined(__i686__) || defined(__SSE__)\
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)
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#define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1
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#endif
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#if defined(__x86_64__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
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#define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1
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#endif
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#if defined(__x86_64__) || defined(__SSE2__)
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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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#else // defined(__GNUC__)
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#if defined(__i386__) && !defined(BOOST_ATOMIC_NO_CMPXCHG8B)
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#define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1
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#endif
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#if defined(__x86_64__) && !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(BOOST_ATOMIC_NO_MFENCE)
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#define BOOST_ATOMIC_DETAIL_X86_HAS_MFENCE 1
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#endif
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#endif // defined(__GNUC__)
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#endif // BOOST_ATOMIC_DETAIL_HWCAPS_GCC_X86_HPP_INCLUDED_
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