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Re: eliminating null pointer checks on mmu-less machines
- From: Tom Tromey <tromey at redhat dot com>
- To: Cedric Berger <cedric at berger dot to>
- Cc: Adam Megacz <adam at megacz dot com>, java at gcc dot gnu dot org
- Date: 13 Sep 2003 10:47:42 -0600
- Subject: Re: eliminating null pointer checks on mmu-less machines
- References: <m13cf1s630.fsf@nowhere.com> <3F62DC07.4020200@berger.to>
- Reply-to: tromey at redhat dot com
>>>>> "Cedric" == Cedric Berger <cedric@berger.to> writes:
Cedric> It could be possible to redefine NULL to be something different
Cedric> from 0. I've no idea how expensive that would be, but I suspect
Cedric> it is very expensive.
Yeah, I think this is the sort of change that would be impractical.
gcc doesn't support this, and I'd imagine sweeping changes might be
necessary to change that.
Tom