RTXI  2.4
The Real-Time eXperiment Interface Documentation
compiler.h
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1 /*
2  The Real-Time eXperiment Interface (RTXI)
3  Copyright (C) 2011 Georgia Institute of Technology, University of Utah, Weill Cornell Medical College
4 
5  This program is free software: you can redistribute it and/or modify
6  it under the terms of the GNU General Public License as published by
7  the Free Software Foundation, either version 3 of the License, or
8  (at your option) any later version.
9 
10  This program is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU General Public License for more details.
14 
15  You should have received a copy of the GNU General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 
18 */
19 
20 #ifndef COMPILER_H
21 #define COMPILER_H
22 
23 #define likely(x) __builtin_expect((x),1)
24 #define unlikely(x) __builtin_expect((x),0)
25 
26 #define prefetch_read(x) __builtin_prefetch((x),0,1)
27 #define prefetch_write(x) __builtin_prefetch((x),1,1)
28 
29 #endif // COMPILER_H