eal: use intrinsic function

Signed-off-by: Intel
2013-07-23 00:00:00 +02:00 · 2013-07-23 00:00:00 +02:00 · 03f6bced5b
commit 03f6bced5b
parent 8b7efc04a0
1 changed files with 1 additions and 4 deletions
--- a/lib/librte_eal/common/include/rte_common.h
+++ b/lib/librte_eal/common/include/rte_common.h
@ -274,10 +274,7 @@ rte_pause (void)
 static inline uint32_t
 rte_bsf32(uint32_t v)
 {
-	asm("bsf %1,%0"
-		: "=r" (v)
-		: "rm" (v));
-	return (v);
+	return (__builtin_ctz(v));
 }

 #ifndef offsetof