K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2015-08-14T14:17:04.196380Z
K 7
svn:log
V 210
Use __builtin_clzll to count the leading zero bits, the data is based on
long long so __builtin_clz will return an incorrect value.

Reviewed by:	emaste
Differential Revision:	https://reviews.freebsd.org/D3375

END