diff options
Diffstat (limited to 'boost/asio/detail/gcc_x86_fenced_block.hpp')
| -rw-r--r-- | boost/asio/detail/gcc_x86_fenced_block.hpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/boost/asio/detail/gcc_x86_fenced_block.hpp b/boost/asio/detail/gcc_x86_fenced_block.hpp index 973165ab1e..d39c693e52 100644 --- a/boost/asio/detail/gcc_x86_fenced_block.hpp +++ b/boost/asio/detail/gcc_x86_fenced_block.hpp @@ -2,7 +2,7 @@ // detail/gcc_x86_fenced_block.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // -// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// Copyright (c) 2003-2014 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // 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) @@ -64,7 +64,11 @@ private: static void lbarrier() { #if defined(__SSE2__) +# if (__GNUC__ >= 4) && !defined(__INTEL_COMPILER) && !defined(__ICL) + __builtin_ia32_lfence(); +# else // (__GNUC__ >= 4) && !defined(__INTEL_COMPILER) && !defined(__ICL) __asm__ __volatile__ ("lfence" ::: "memory"); +# endif // (__GNUC__ >= 4) && !defined(__INTEL_COMPILER) && !defined(__ICL) #else // defined(__SSE2__) barrier(); #endif // defined(__SSE2__) @@ -73,7 +77,11 @@ private: static void sbarrier() { #if defined(__SSE2__) +# if (__GNUC__ >= 4) && !defined(__INTEL_COMPILER) && !defined(__ICL) + __builtin_ia32_sfence(); +# else // (__GNUC__ >= 4) && !defined(__INTEL_COMPILER) && !defined(__ICL) __asm__ __volatile__ ("sfence" ::: "memory"); +# endif // (__GNUC__ >= 4) && !defined(__INTEL_COMPILER) && !defined(__ICL) #else // defined(__SSE2__) barrier(); #endif // defined(__SSE2__) |