diff options
| author | Donald Sharp <sharpd@nvidia.com> | 2023-02-17 14:56:48 -0500 |
|---|---|---|
| committer | Donald Sharp <sharpd@nvidia.com> | 2023-03-23 07:54:56 -0400 |
| commit | 6a72124df9cfc4ec7dabddfae5b3ab63a1069b87 (patch) | |
| tree | fafd604e588389250d17ffe0317a83473eda7845 /lib/compiler.h | |
| parent | 9cc377d4d7ccae8a318d0162c5d0d6a6754d8b0a (diff) | |
babeld, lib, nhrpd: Add likely and unlikely macros
We have 2 competing versions of likely and unlikely
in babeld and nhrpd. Standardize onto lower case
versions and consolidate in the code.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
Diffstat (limited to 'lib/compiler.h')
| -rw-r--r-- | lib/compiler.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/compiler.h b/lib/compiler.h index d12e282832..29fcfbefbf 100644 --- a/lib/compiler.h +++ b/lib/compiler.h @@ -439,6 +439,14 @@ _Static_assert(sizeof(_uint64_t) == 8 && sizeof(_int64_t) == 8, #pragma diag_suppress 167 #endif /* __INTELISENSE__ */ +#if defined(__GNUC__) && (__GNUC__ >= 3) +#define likely(_x) __builtin_expect(!!(_x), 1) +#define unlikely(_x) __builtin_expect(!!(_x), 0) +#else +#define likely(_x) !!(_x) +#define unlikely(_x) !!(_x) +#endif + #ifdef __cplusplus } #endif |