A warning is issued when using an argument to likely() or unlikely() builtins which is evaluated to a pointer value, as __builtin_expect() expects a 'long int' type for its first argument. With this fix a pointer value is converted to an integer with the value of 0 or 1.
Signed-off-by: Aleksey Baulin <aleksey.bau...@gmail.com> --- lib/librte_eal/common/include/rte_branch_prediction.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/common/include/rte_branch_prediction.h b/lib/librte_eal/common/include/rte_branch_prediction.h index a6a56d1..2e7dc69 100644 --- a/lib/librte_eal/common/include/rte_branch_prediction.h +++ b/lib/librte_eal/common/include/rte_branch_prediction.h @@ -50,7 +50,7 @@ * */ #ifndef likely -#define likely(x) __builtin_expect((x),1) +#define likely(x) __builtin_expect(!!(x), 1) #endif /* likely */ /** @@ -64,7 +64,7 @@ * */ #ifndef unlikely -#define unlikely(x) __builtin_expect((x),0) +#define unlikely(x) __builtin_expect(!!(x), 0) #endif /* unlikely */ #endif /* _RTE_BRANCH_PREDICTION_H_ */ -- 2.7.4
