jkim 45ae491494 Both Clang and GCC cannot generate efficient reserve_pv_entries().
http://docs.freebsd.org/cgi/mid.cgi?552BFEB2.8040407

Re-implement it entirely in inline assembly not to let compilers do silly
spilling to memory.  For non-POPCNT case, use newly added bit_count(3).

Reported by:	alc
Reviewed by:	alc, kib
Differential Revision:	https://reviews.freebsd.org/D6541
2016-05-25 23:06:52 +00:00
..
2016-05-03 22:13:04 +00:00
2016-05-05 22:26:23 +00:00
2016-05-17 12:52:31 +00:00