K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2018-12-07T12:05:11.030592Z
K 7
svn:log
V 357
unr64: use locked variant if not __LP64__

The current ifdefs are not sufficient to distinguish 32- and 64- bit
variants, which results e.g. in powerpc64 not using atomics.

While some 32-bit archs provide 64-bit atomics, there is no huge advantage
of using them on these platforms.

Reported by:	many
Suggested by:	jhb
Sponsored by:	The FreeBSD Foundation

END