boost/uuid/detail/config.hpp
/*
* Copyright Andrey Semashev 2013.
* 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)
*/
/*!
* \file uuid/detail/config.hpp
*
* \brief This header defines configuration macros for Boost.UUID.
*/
#ifndef BOOST_UUID_DETAIL_CONFIG_HPP_INCLUDED_
#define BOOST_UUID_DETAIL_CONFIG_HPP_INCLUDED_
#include <boost/config.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
#if !defined(BOOST_UUID_NO_SIMD)
#if defined(__GNUC__) && defined(__SSE2__)
// GCC and its pretenders go here
#ifndef BOOST_UUID_USE_SSE2
#define BOOST_UUID_USE_SSE2
#endif
#if defined(__SSE3__) && !defined(BOOST_UUID_USE_SSE3)
#define BOOST_UUID_USE_SSE3
#endif
#if defined(__SSE4_1__) && !defined(BOOST_UUID_USE_SSE41)
#define BOOST_UUID_USE_SSE41
#endif
#elif defined(_MSC_VER) && (defined(_M_X64) || (defined(_M_IX86) && defined(_M_IX86_FP) && _M_IX86_FP >= 2))
#ifndef BOOST_UUID_USE_SSE2
#define BOOST_UUID_USE_SSE2
#endif
#elif !defined(BOOST_UUID_USE_SSE41) && !defined(BOOST_UUID_USE_SSE3) && !defined(BOOST_UUID_USE_SSE2)
#define BOOST_UUID_NO_SIMD
#endif
// More advanced ISA extensions imply less advanced are also available
#if !defined(BOOST_UUID_USE_SSE3) && defined(BOOST_UUID_USE_SSE41)
#define BOOST_UUID_USE_SSE3
#endif
#if !defined(BOOST_UUID_USE_SSE2) && defined(BOOST_UUID_USE_SSE3)
#define BOOST_UUID_USE_SSE2
#endif
#endif // !defined(BOOST_UUID_NO_SIMD)
#endif // BOOST_UUID_DETAIL_CONFIG_HPP_INCLUDED_