This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: PDP-10 backend for gcc
- To: lars brinkhoff <lars at nocrew dot org>
- Subject: Re: PDP-10 backend for gcc
- From: Michael Meissner <meissner at cygnus dot com>
- Date: Thu, 24 Aug 2000 11:36:06 -0400
- Cc: gcc at gcc dot gnu dot org
- References: <85pumzqkby.fsf@junk.nocrew.org>
On Thu, Aug 24, 2000 at 07:50:09AM +0200, lars brinkhoff wrote:
> I may be writing a PDP-10 backend for gcc during the next year. It's
> a word-adressed 36-bit machine with a 30-bit virtual address space.
> Is there anything I should know before I start?
>
> Also, the project involves porting gcc to the PDP-10 operating system
> TOPS-20. A GNU build environment is already ported.
Expect lots of problems. GCC really, really does not understand pointers that
have different formats, most of which are part of the original design decisions
(ie, very hard to root out after 13+ years).
--
Michael Meissner, Red Hat, Inc.
PMB 198, 174 Littleton Road #3, Westford, Massachusetts 01886, USA
Work: meissner@redhat.com phone: +1 978-486-9304
Non-work: meissner@spectacle-pond.org fax: +1 978-692-4482