diff options
Diffstat (limited to 'lib/ccan/likely/likely.h')
| -rw-r--r-- | lib/ccan/likely/likely.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/ccan/likely/likely.h b/lib/ccan/likely/likely.h index c43d276759..3a9c6d4640 100644 --- a/lib/ccan/likely/likely.h +++ b/lib/ccan/likely/likely.h @@ -30,7 +30,9 @@ * return false; * } */ +#ifndef likely #define likely(cond) __builtin_expect(!!(cond), 1) +#endif /** * unlikely - indicate that a condition is unlikely to be true. @@ -51,11 +53,17 @@ * fprintf(stderr, "Overflow!"); * } */ +#ifndef unlikely #define unlikely(cond) __builtin_expect(!!(cond), 0) +#endif #else +#ifndef likely #define likely(cond) (!!(cond)) +#endif +#ifndef unlikely #define unlikely(cond) (!!(cond)) #endif +#endif #else /* CCAN_LIKELY_DEBUG versions */ #define likely(cond) \ (_likely_trace(!!(cond), 1, stringify(cond), __FILE__, __LINE__)) |