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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) 2012 Hartmut Kaiser
- * Copyright (c) 2014 Andrey Semashev
- */
- /*!
- * \file atomic/detail/config.hpp
- *
- * This header defines configuraion macros for Boost.Atomic
- */
- #ifndef BOOST_ATOMIC_DETAIL_CONFIG_HPP_INCLUDED_
- #define BOOST_ATOMIC_DETAIL_CONFIG_HPP_INCLUDED_
- #include <boost/config.hpp>
- #ifdef BOOST_HAS_PRAGMA_ONCE
- #pragma once
- #endif
- #if defined(__has_builtin)
- #if __has_builtin(__builtin_memcpy)
- #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY
- #endif
- #if __has_builtin(__builtin_memcmp)
- #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP
- #endif
- #elif defined(BOOST_GCC)
- #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY
- #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP
- #endif
- #if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY)
- #define BOOST_ATOMIC_DETAIL_MEMCPY __builtin_memcpy
- #else
- #define BOOST_ATOMIC_DETAIL_MEMCPY std::memcpy
- #endif
- #if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP)
- #define BOOST_ATOMIC_DETAIL_MEMCMP __builtin_memcmp
- #else
- #define BOOST_ATOMIC_DETAIL_MEMCMP std::memcmp
- #endif
- #if defined(__CUDACC__)
- // nvcc does not support alternatives in asm statement constraints
- #define BOOST_ATOMIC_DETAIL_NO_ASM_CONSTRAINT_ALTERNATIVES
- // nvcc does not support condition code register ("cc") clobber in asm statements
- #define BOOST_ATOMIC_DETAIL_NO_ASM_CLOBBER_CC
- #endif
- #if !defined(BOOST_ATOMIC_DETAIL_NO_ASM_CLOBBER_CC)
- #define BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC "cc"
- #define BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "cc",
- #else
- #define BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC
- #define BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA
- #endif
- #if (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)) && (defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) < 403)
- // This macro indicates we're using older binutils that don't support implied zero displacements for memory opereands,
- // making code like this invalid:
- // movl 4+(%%edx), %%eax
- #define BOOST_ATOMIC_DETAIL_NO_ASM_IMPLIED_ZERO_DISPLACEMENTS
- #endif
- #if defined(__clang__) || (defined(BOOST_GCC) && (BOOST_GCC+0) < 40500)
- // This macro indicates that the compiler does not support allocating rax:rdx register pairs ("A") in asm blocks
- #define BOOST_ATOMIC_DETAIL_NO_ASM_RAX_RDX_PAIRS
- #endif
- #endif // BOOST_ATOMIC_DETAIL_CONFIG_HPP_INCLUDED_
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