floating exceptions

[utzoo!decvax!ucbvax!unix-wizards]

>From MathStat.carl at Berkeley Thu Sep  3 00:29:26 1981
	In fact, there are some interesting problems connected with
the fact that the FEC cannot be reloaded.  We have fixed the problems
and added a system call to dredge the saved registers out of the u.
area.  If anyone out there wants the details, you've only to ask.


			Carl Smith