Marcus G. Daniels
14 May 1997 10:39:44 -0700
>>>>> "ET" == ET <email@example.com> writes:
ET> For the i486, I'm thinking the standard hack of using the low one
ET> or two bits for immediate/pointer discrimination, and putting the
ET> type code info at the head of the object, etc. etc. etc.
So the suggestion is not to lay out the address space per object type?
ET> When I was implementing MIT-Scheme for the 8086, I decided to use
ET> the SP register as the allocation frontier, and the BP register to
ET> point to the current environment. Henry Baker apparently came up
ET> with this at around the same time with his ``Cheney on the MTA''
ET> paper that introduces ``treadmill GC''.
I don't understand what you mean w.r.t. GC. Copying or non-copying?