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Re: Recent removal of the 'aux' field in tree_common
- From: Daniel Berlin <dan at dberlin dot org>
- To: Diego Novillo <dnovillo at redhat dot com>
- Cc: Jan Hubicka <jh at suse dot cz>, Geoff Keating <geoffk at geoffk dot org>, <gcc at gcc dot gnu dot org>
- Date: Thu, 28 Feb 2002 13:35:46 -0500 (EST)
- Subject: Re: Recent removal of the 'aux' field in tree_common
On Thu, 28 Feb 2002, Diego Novillo wrote:
> On Thu, 28 Feb 2002, Jan Hubicka wrote:
> > > One problem with the 'aux' field is that it is incompatible with PCH.
> > > For PCH, you really want every pointer in every structure to have one
> > > and only one type. In particular, you don't want to have void *
> > > pointers.
> > I guess the aux field is used for temporary information only inside
> > the tree optimizer, so it is nonissue for PCH.
> Hmm, but in the future we might want to PCH optimized .h files
> with code in them.
Yeah, but this still doesn't require the tree optimizer structures be
Just serialize to PCH *after* the tree optimizer runs.