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/*
* 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) 2014 Andrey Semashev
*/
/*!
* \file atomic/detail/caps_gcc_atomic.hpp
*
* This header defines feature capabilities macros
*/
#ifndef BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_
#define BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_
#include <boost/atomic/detail/config.hpp>
#include <boost/atomic/detail/int_sizes.hpp>
#if defined(__i386__) || defined(__x86_64__)
#include <boost/atomic/detail/hwcaps_gcc_x86.hpp>
#elif defined(__arm__)
#include <boost/atomic/detail/hwcaps_gcc_arm.hpp>
#elif defined(__POWERPC__) || defined(__PPC__)
#include <boost/atomic/detail/hwcaps_gcc_ppc.hpp>
#endif
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
#if defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B) && (defined(BOOST_HAS_INT128) || !defined(BOOST_NO_ALIGNMENT))
#define BOOST_ATOMIC_INT128_LOCK_FREE 2
#else
#define BOOST_ATOMIC_INT128_LOCK_FREE 0
#endif
#if (__GCC_ATOMIC_LLONG_LOCK_FREE == 2) || (defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B) && BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 8)
#define BOOST_ATOMIC_LLONG_LOCK_FREE 2
#else
#define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT128_LOCK_FREE
#endif
#if (__GCC_ATOMIC_LONG_LOCK_FREE == 2) || (defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B) && BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 8)
#define BOOST_ATOMIC_LONG_LOCK_FREE 2
#else
#define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
#endif
#if __GCC_ATOMIC_INT_LOCK_FREE == 2
#define BOOST_ATOMIC_INT_LOCK_FREE 2
#else
#define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
#endif
#if __GCC_ATOMIC_SHORT_LOCK_FREE == 2
#define BOOST_ATOMIC_SHORT_LOCK_FREE 2
#else
#define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
#endif
#if __GCC_ATOMIC_CHAR_LOCK_FREE == 2
#define BOOST_ATOMIC_CHAR_LOCK_FREE 2
#else
#define BOOST_ATOMIC_CHAR_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
#endif
#if __GCC_ATOMIC_POINTER_LOCK_FREE == 2
#define BOOST_ATOMIC_POINTER_LOCK_FREE 2
#else
#define BOOST_ATOMIC_POINTER_LOCK_FREE 0
#endif
#define BOOST_ATOMIC_INT8_LOCK_FREE BOOST_ATOMIC_CHAR_LOCK_FREE
#if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 2
#define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 2
#define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 2
#define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 2
#define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
#else
#define BOOST_ATOMIC_INT16_LOCK_FREE 0
#endif
#if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 4
#define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 4
#define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 4
#define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 4
#define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
#else
#define BOOST_ATOMIC_INT32_LOCK_FREE 0
#endif
#if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 8
#define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 8
#define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 8
#define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 8
#define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
#else
#define BOOST_ATOMIC_INT64_LOCK_FREE 0
#endif
#if __GCC_ATOMIC_WCHAR_T_LOCK_FREE == 2
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 2
#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 8
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 4
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 2
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 1
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
#else
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 0
#endif
#define BOOST_ATOMIC_CHAR32_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#define BOOST_ATOMIC_CHAR16_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#define BOOST_ATOMIC_THREAD_FENCE 2
#define BOOST_ATOMIC_SIGNAL_FENCE 2
#endif // BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_
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