diff options
Diffstat (limited to 'lib/librte_eal/common/rte_reciprocal.c')
| -rw-r--r-- | lib/librte_eal/common/rte_reciprocal.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/lib/librte_eal/common/rte_reciprocal.c b/lib/librte_eal/common/rte_reciprocal.c index d81b11db..f017d0c2 100644 --- a/lib/librte_eal/common/rte_reciprocal.c +++ b/lib/librte_eal/common/rte_reciprocal.c @@ -41,28 +41,13 @@ #include "rte_reciprocal.h" -/* find largest set bit. - * portable and slow but does not matter for this usage. - */ -static inline int fls(uint32_t x) -{ - int b; - - for (b = 31; b >= 0; --b) { - if (x & (1u << b)) - return b + 1; - } - - return 0; -} - struct rte_reciprocal rte_reciprocal_value(uint32_t d) { struct rte_reciprocal R; uint64_t m; int l; - l = fls(d - 1); + l = rte_fls_u32(d - 1); m = ((1ULL << 32) * ((1ULL << l) - d)); m /= d; |