ceph/src/boost/libs/atomic/include/boost/atomic/detail/caps_gcc_sync.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) 2011 Helge Bahmann
   7  * Copyright (c) 2013 Tim Blechmann
   8  * Copyright (c) 2014 Andrey Semashev
   9  */
  10 /*!
  11  * \file   atomic/detail/caps_gcc_sync.hpp
  12  *
  13  * This header defines feature capabilities macros
  14  */
  15
  16 #ifndef BOOST_ATOMIC_DETAIL_CAPS_GCC_SYNC_HPP_INCLUDED_
  17 #define BOOST_ATOMIC_DETAIL_CAPS_GCC_SYNC_HPP_INCLUDED_
  18
  19 #include <boost/atomic/detail/config.hpp>
  20
  21 #ifdef BOOST_HAS_PRAGMA_ONCE
  22 #pragma once
  23 #endif
  24
  25 #if defined(__i386__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)
  26 #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1
  27 #endif
  28
  29 #if defined(__x86_64__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
  30 #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1
  31 #endif
  32
  33 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1)\
  34     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2)\
  35     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)\
  36     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)\
  37     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
  38 #define BOOST_ATOMIC_INT8_LOCK_FREE 2
  39 #endif
  40 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2)\
  41     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)\
  42     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)\
  43     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
  44 #define BOOST_ATOMIC_INT16_LOCK_FREE 2
  45 #endif
  46 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)\
  47     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)\
  48     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
  49 #define BOOST_ATOMIC_INT32_LOCK_FREE 2
  50 #endif
  51 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)\
  52     || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
  53 #define BOOST_ATOMIC_INT64_LOCK_FREE 2
  54 #endif
  55 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
  56 #define BOOST_ATOMIC_INT128_LOCK_FREE 2
  57 #endif
  58
  59 #define BOOST_ATOMIC_THREAD_FENCE 2
  60 #define BOOST_ATOMIC_SIGNAL_FENCE 2
  61
  62 #endif // BOOST_ATOMIC_DETAIL_CAPS_GCC_SYNC_HPP_INCLUDED_