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43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
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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) 2017 Andrey Semashev
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*/
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/*!
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* \file atomic/detail/hwcaps_gcc_ppc.hpp
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*
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* This header defines hardware capabilities macros for PowerPC
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*/
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#ifndef BOOST_ATOMIC_DETAIL_HWCAPS_GCC_PPC_HPP_INCLUDED_
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#define BOOST_ATOMIC_DETAIL_HWCAPS_GCC_PPC_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(__POWERPC__) || defined(__PPC__)
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#if defined(_ARCH_PWR8)
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// Power8 and later architectures have 8 and 16-bit instructions
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#define BOOST_ATOMIC_DETAIL_PPC_HAS_LBARX_STBCX
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#define BOOST_ATOMIC_DETAIL_PPC_HAS_LHARX_STHCX
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#endif
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#if defined(__powerpc64__) || defined(__PPC64__)
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// Power7 and later architectures in 64-bit mode have 64-bit instructions
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#define BOOST_ATOMIC_DETAIL_PPC_HAS_LDARX_STDCX
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#if defined(_ARCH_PWR8)
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// Power8 also has 128-bit instructions
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#define BOOST_ATOMIC_DETAIL_PPC_HAS_LQARX_STQCX
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#endif
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#endif
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#endif // defined(__POWERPC__) || defined(__PPC__)
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#endif // BOOST_ATOMIC_DETAIL_HWCAPS_GCC_PPC_HPP_INCLUDED_
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