caps_gcc_x86.hpp 1.2 KB

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  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) 2009 Helge Bahmann
  7. * Copyright (c) 2012 Tim Blechmann
  8. * Copyright (c) 2013 - 2014 Andrey Semashev
  9. */
  10. /*!
  11. * \file atomic/detail/caps_gcc_x86.hpp
  12. *
  13. * This header defines feature capabilities macros
  14. */
  15. #ifndef BOOST_ATOMIC_DETAIL_CAPS_GCC_X86_HPP_INCLUDED_
  16. #define BOOST_ATOMIC_DETAIL_CAPS_GCC_X86_HPP_INCLUDED_
  17. #include <boost/atomic/detail/config.hpp>
  18. #include <boost/atomic/detail/hwcaps_gcc_x86.hpp>
  19. #ifdef BOOST_HAS_PRAGMA_ONCE
  20. #pragma once
  21. #endif
  22. #define BOOST_ATOMIC_INT8_LOCK_FREE 2
  23. #define BOOST_ATOMIC_INT16_LOCK_FREE 2
  24. #define BOOST_ATOMIC_INT32_LOCK_FREE 2
  25. #if defined(__x86_64__) || defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B)
  26. #define BOOST_ATOMIC_INT64_LOCK_FREE 2
  27. #endif
  28. #if defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B) && (defined(BOOST_HAS_INT128) || !defined(BOOST_NO_ALIGNMENT))
  29. #define BOOST_ATOMIC_INT128_LOCK_FREE 2
  30. #endif
  31. #define BOOST_ATOMIC_POINTER_LOCK_FREE 2
  32. #define BOOST_ATOMIC_THREAD_FENCE 2
  33. #define BOOST_ATOMIC_SIGNAL_FENCE 2
  34. #endif // BOOST_ATOMIC_DETAIL_CAPS_GCC_X86_HPP_INCLUDED_