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Re: [gclist] Experience with conservative GC sought
- To: gclist@iecc.com
- Subject: Re: [gclist] Experience with conservative GC sought
- From: Jim Blandy <jimb@red-bean.com>
- Date: Fri, 23 Jan 1998 10:47:23 -0500
- Delivered-To: majordom-gclist-out@iecc.com
- In-Reply-To: <19980123110501.3862.qmail@ivan.iecc.com>
- References: <19980123110501.3862.qmail@ivan.iecc.com>
- Sender: owner-gclist@iecc.com
- Xref: modas.informatik.uni-tuebingen.de gc:735
>How does Emacs currently tag pointers? ... On the other hand, if
>you're tagging the high-order bits, then it would definitely be
>harder -- not impossible, but a non-trivial amount of work.
Emacs tags the high-order bits. For fixnums and conses (and maybe one
or two other types), that's all the type information there is. The
representations of the other types start with a type word.