K 10
svn:author
V 5
dougm
K 8
svn:date
V 27
2019-05-03T02:55:54.225408Z
K 7
svn:log
V 232
fls() should find the most significant bit of an int faster than a
linear search can, so use it to avoid a linear search in isqrt.

Approved by: kib (mentor), markj (mentor)
Differential Revision: https://reviews.freebsd.org/D20102

END