K 10
svn:author
V 6
grehan
K 8
svn:date
V 27
2014-08-27T00:53:56.672195Z
K 7
svn:log
V 171
Implement the 0x2B SUB instruction, and the OR variant of 0x81.

Found with local APIC accesses from bitrig/amd64 bsd.rd, 07/15-snap.

Reviewed by:	neel
MFC after:	3 days

END