diff options
| author | Namhyung Kim <[email protected]> | 2014-01-09 23:00:53 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2014-01-13 10:06:26 -0300 |
| commit | 835d44b9041e578e3e553a57dfffc7003605c93b (patch) | |
| tree | 590da5c984c1d43d2092b135fbeb097e70c3ab68 /tools/include/linux | |
| parent | 8a625c1f61f3dd5e4ea4b5b642650416aa101ce5 (diff) | |
tools include: Define likely/unlikely in linux/compiler.h
Signed-off-by: Namhyung Kim <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Steven Rostedt <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
[ Added the new header to tools/perf/MANIFEST ]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/include/linux')
| -rw-r--r-- | tools/include/linux/compiler.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h index 0135ccf2a00c..fbc6665c6d53 100644 --- a/tools/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -27,4 +27,12 @@ # define __weak __attribute__((weak)) #endif +#ifndef likely +# define likely(x) __builtin_expect(!!(x), 1) +#endif + +#ifndef unlikely +# define unlikely(x) __builtin_expect(!!(x), 0) +#endif + #endif /* _TOOLS_LINUX_COMPILER_H */ |