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Diffstat (limited to 'boost/atomic/detail/caps_gcc_x86.hpp')
| -rw-r--r-- | boost/atomic/detail/caps_gcc_x86.hpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/boost/atomic/detail/caps_gcc_x86.hpp b/boost/atomic/detail/caps_gcc_x86.hpp new file mode 100644 index 0000000000..0696bf1d2f --- /dev/null +++ b/boost/atomic/detail/caps_gcc_x86.hpp @@ -0,0 +1,52 @@ +/* + * Distributed under the Boost Software License, Version 1.0. + * (See accompanying file LICENSE_1_0.txt or copy at + * http://www.boost.org/LICENSE_1_0.txt) + * + * Copyright (c) 2009 Helge Bahmann + * Copyright (c) 2012 Tim Blechmann + * Copyright (c) 2013 - 2014 Andrey Semashev + */ +/*! + * \file atomic/detail/caps_gcc_x86.hpp + * + * This header defines feature capabilities macros + */ + +#ifndef BOOST_ATOMIC_DETAIL_CAPS_GCC_X86_HPP_INCLUDED_ +#define BOOST_ATOMIC_DETAIL_CAPS_GCC_X86_HPP_INCLUDED_ + +#include <boost/atomic/detail/config.hpp> + +#ifdef BOOST_HAS_PRAGMA_ONCE +#pragma once +#endif + +#if defined(__i386__) &&\ + (\ + defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8) ||\ + defined(__i586__) || defined(__i686__) || defined(__pentium4__) || defined(__nocona__) || defined(__core2__) || defined(__corei7__) ||\ + defined(__k6__) || defined(__athlon__) || defined(__k8__) || defined(__amdfam10__) || defined(__bdver1__) || defined(__bdver2__) || defined(__bdver3__) || defined(__btver1__) || defined(__btver2__)\ + ) +#define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1 +#endif + +#if defined(__x86_64__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) +#define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1 +#endif + +#define BOOST_ATOMIC_INT8_LOCK_FREE 2 +#define BOOST_ATOMIC_INT16_LOCK_FREE 2 +#define BOOST_ATOMIC_INT32_LOCK_FREE 2 +#if defined(__x86_64__) || defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B) +#define BOOST_ATOMIC_INT64_LOCK_FREE 2 +#endif +#if defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B) && (defined(BOOST_HAS_INT128) || !defined(BOOST_NO_ALIGNMENT)) +#define BOOST_ATOMIC_INT128_LOCK_FREE 2 +#endif +#define BOOST_ATOMIC_POINTER_LOCK_FREE 2 + +#define BOOST_ATOMIC_THREAD_FENCE 2 +#define BOOST_ATOMIC_SIGNAL_FENCE 2 + +#endif // BOOST_ATOMIC_DETAIL_CAPS_GCC_X86_HPP_INCLUDED_ |