diff options
Diffstat (limited to 'node/Constants.hpp')
| -rw-r--r-- | node/Constants.hpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/node/Constants.hpp b/node/Constants.hpp index 494ebace..3974f0ec 100644 --- a/node/Constants.hpp +++ b/node/Constants.hpp @@ -60,6 +60,8 @@ #endif #ifdef __APPLE__ +#define likely(x) __builtin_expect((x),1) +#define unlikely(x) __builtin_expect((x),0) #include <TargetConditionals.h> #ifndef __UNIX_LIKE__ #define __UNIX_LIKE__ @@ -132,6 +134,22 @@ #include <endian.h> #endif +#if (defined(__GNUC__) && (__GNUC__ >= 3)) || (defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 800)) || defined(__clang__) +#ifndef likely +#define likely(x) __builtin_expect((x),1) +#endif +#ifndef unlikely +#define unlikely(x) __builtin_expect((x),0) +#endif +#else +#ifndef likely +#define likely(x) (x) +#endif +#ifndef unlikely +#define unlikely(x) (x) +#endif +#endif + /** * Length of a ZeroTier address in bytes */ |