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authorNamhyung Kim <namhyung@kernel.org>2014-01-09 14:00:53 (GMT)
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-01-13 13:06:26 (GMT)
commit835d44b9041e578e3e553a57dfffc7003605c93b (patch)
tree590da5c984c1d43d2092b135fbeb097e70c3ab68 /tools/include
parent8a625c1f61f3dd5e4ea4b5b642650416aa101ce5 (diff)
tools include: Define likely/unlikely in linux/compiler.h
Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1389276059-8829-3-git-send-email-namhyung@kernel.org [ Added the new header to tools/perf/MANIFEST ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/linux/compiler.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index 0135ccf..fbc6665 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 */

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