Mercurial > hg > vamp-build-and-test
annotate DEPENDENCIES/generic/include/boost/lockfree/detail/branch_hints.hpp @ 118:770eb830ec19 emscripten
Typo fix
| author | Chris Cannam |
|---|---|
| date | Wed, 18 May 2016 16:14:08 +0100 |
| parents | 2665513ce2d3 |
| children |
| rev | line source |
|---|---|
| Chris@16 | 1 // branch hints |
| Chris@16 | 2 // Copyright (C) 2007, 2008 Tim Blechmann |
| Chris@16 | 3 // |
| Chris@16 | 4 // Distributed under the Boost Software License, Version 1.0. (See |
| Chris@16 | 5 // accompanying file LICENSE_1_0.txt or copy at |
| Chris@16 | 6 // http://www.boost.org/LICENSE_1_0.txt) |
| Chris@16 | 7 |
| Chris@16 | 8 #ifndef BOOST_LOCKFREE_BRANCH_HINTS_HPP_INCLUDED |
| Chris@16 | 9 #define BOOST_LOCKFREE_BRANCH_HINTS_HPP_INCLUDED |
| Chris@16 | 10 |
| Chris@16 | 11 namespace boost { |
| Chris@16 | 12 namespace lockfree { |
| Chris@16 | 13 namespace detail { |
| Chris@16 | 14 /** \brief hint for the branch prediction */ |
| Chris@16 | 15 inline bool likely(bool expr) |
| Chris@16 | 16 { |
| Chris@16 | 17 #ifdef __GNUC__ |
| Chris@16 | 18 return __builtin_expect(expr, true); |
| Chris@16 | 19 #else |
| Chris@16 | 20 return expr; |
| Chris@16 | 21 #endif |
| Chris@16 | 22 } |
| Chris@16 | 23 |
| Chris@16 | 24 /** \brief hint for the branch prediction */ |
| Chris@16 | 25 inline bool unlikely(bool expr) |
| Chris@16 | 26 { |
| Chris@16 | 27 #ifdef __GNUC__ |
| Chris@16 | 28 return __builtin_expect(expr, false); |
| Chris@16 | 29 #else |
| Chris@16 | 30 return expr; |
| Chris@16 | 31 #endif |
| Chris@16 | 32 } |
| Chris@16 | 33 |
| Chris@16 | 34 } /* namespace detail */ |
| Chris@16 | 35 } /* namespace lockfree */ |
| Chris@16 | 36 } /* namespace boost */ |
| Chris@16 | 37 |
| Chris@16 | 38 #endif /* BOOST_LOCKFREE_BRANCH_HINTS_HPP_INCLUDED */ |
