K 10
svn:author
V 8
jhibbits
K 8
svn:date
V 27
2019-11-17T01:01:02.958728Z
K 7
svn:log
V 206
powerpc: Return SIGILL if DSCR does not exist in m{f,t}spr emulation

Guard against programs written for one powerpc target running on another,
and panicking the system due to not having the DSCR register.

END