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-rw-r--r--lib/librte_eal/common/rte_reciprocal.c17
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;