[dpdk-dev] [PATCH v3 5/5] testpmd: use library implementation of 64-bit log2

[Anatoly Burakov]

Remove duplicated code and use library version of 64-bit log2.

Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com>
---
 app/test-pmd/testpmd.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 9c0edcaed..89c6ffd53 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -649,28 +649,13 @@ calc_mem_size(uint32_t nb_mbufs, uint32_t mbuf_sz, size_t pgsz, size_t *out)
 	return 0;
 }
 
-static inline uint32_t
-bsf64(uint64_t v)
-{
-	return (uint32_t)__builtin_ctzll(v);
-}
-
-static inline uint32_t
-log2_u64(uint64_t v)
-{
-	if (v == 0)
-		return 0;
-	v = rte_align64pow2(v);
-	return bsf64(v);
-}
-
 static int
 pagesz_flags(uint64_t page_sz)
 {
 	/* as per mmap() manpage, all page sizes are log2 of page size
 	 * shifted by MAP_HUGE_SHIFT
 	 */
-	int log2 = log2_u64(page_sz);
+	int log2 = rte_log2_u64(page_sz);
 
 	return (log2 << HUGE_SHIFT);
 }
-- 
2.17.1