00001 //------------------------------------------------------------------------------ 00002 // Copyright (c) 2011-2012 by European Organization for Nuclear Research (CERN) 00003 // Author: Lukasz Janyst <ljanyst@cern.ch> 00004 //------------------------------------------------------------------------------ 00005 // XRootD is free software: you can redistribute it and/or modify 00006 // it under the terms of the GNU Lesser General Public License as published by 00007 // the Free Software Foundation, either version 3 of the License, or 00008 // (at your option) any later version. 00009 // 00010 // XRootD is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU Lesser General Public License 00016 // along with XRootD. If not, see <http://www.gnu.org/licenses/>. 00017 //------------------------------------------------------------------------------ 00018 00019 #ifndef __XRD_CL_OPTIMIZERS_HH__ 00020 #define __XRD_CL_OPTIMIZERS_HH__ 00021 00022 #ifdef __GNUC__ 00023 #define likely(x) __builtin_expect(!!(x), 1) 00024 #define unlikely(x) __builtin_expect(!!(x), 0) 00025 #else 00026 #define likely(x) x 00027 #define unlikely(x) x 00028 #endif 00029 00030 #endif // __XRD_CL_OPTIMIZERS_HH__