ceph/src/boost/boost/atomic/detail/hwcaps_gcc_ppc.hpp

   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) 2017 Andrey Semashev
   7  */
   8 /*!
   9  * \file   atomic/detail/hwcaps_gcc_ppc.hpp
  10  *
  11  * This header defines hardware capabilities macros for PowerPC
  12  */
  13
  14 #ifndef BOOST_ATOMIC_DETAIL_HWCAPS_GCC_PPC_HPP_INCLUDED_
  15 #define BOOST_ATOMIC_DETAIL_HWCAPS_GCC_PPC_HPP_INCLUDED_
  16
  17 #include <boost/atomic/detail/config.hpp>
  18
  19 #ifdef BOOST_HAS_PRAGMA_ONCE
  20 #pragma once
  21 #endif
  22
  23 #if defined(__POWERPC__) || defined(__PPC__)
  24
  25 #if defined(_ARCH_PWR8)
  26 // Power8 and later architectures have 8 and 16-bit instructions
  27 #define BOOST_ATOMIC_DETAIL_PPC_HAS_LBARX_STBCX
  28 #define BOOST_ATOMIC_DETAIL_PPC_HAS_LHARX_STHCX
  29 #endif
  30
  31 #if defined(__powerpc64__) || defined(__PPC64__)
  32 // Power7 and later architectures in 64-bit mode have 64-bit instructions
  33 #define BOOST_ATOMIC_DETAIL_PPC_HAS_LDARX_STDCX
  34 #if defined(_ARCH_PWR8)
  35 // Power8 also has 128-bit instructions
  36 #define BOOST_ATOMIC_DETAIL_PPC_HAS_LQARX_STQCX
  37 #endif
  38 #endif
  39
  40 #endif // defined(__POWERPC__) || defined(__PPC__)
  41
  42 #endif // BOOST_ATOMIC_DETAIL_HWCAPS_GCC_PPC_HPP_INCLUDED_