GNU Radio 3.4.0 C++ API
compiler.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2007 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License along
00018  * with this program; if not, write to the Free Software Foundation, Inc.,
00019  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00020  */
00021 
00022 #ifndef INCLUDED_GCELL_COMPILER_H
00023 #define INCLUDED_GCELL_COMPILER_H
00024 
00025 /*!
00026  * \brief Compiler specific hackery.  These are for GCC.
00027  */
00028 
00029 #define _AL8   __attribute__((aligned (8)))
00030 #define _AL16  __attribute__((aligned (16)))
00031 #define _AL128 __attribute__((aligned (128)))
00032 
00033 #define _UNUSED __attribute__((unused))
00034 
00035 #ifndef likely
00036 #define likely(x)       __builtin_expect(!!(x), 1)
00037 #define unlikely(x)     __builtin_expect(!!(x), 0)
00038 #endif
00039 
00040 #ifndef offsetof
00041 #define offsetof(TYPE, MEMBER)  __builtin_offsetof (TYPE, MEMBER)
00042 #endif
00043 
00044 
00045 #endif /* INCLUDED_GCELL_COMPILER_H */