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Re: Recent removal of the 'aux' field in tree_common
- From: Zack Weinberg <zack at codesourcery dot com>
- To: Diego Novillo <dnovillo at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Thu, 28 Feb 2002 09:51:31 -0800
- Subject: Re: Recent removal of the 'aux' field in tree_common
- References: <20020228160600.GA5835@tornado.toronto.redhat.com>
On Thu, Feb 28, 2002 at 11:06:00AM -0500, Diego Novillo wrote:
> The tree SSA code in the ast branch makes heavy use of
> tree_common.aux:
...
> Is the idea to remove the aux field for good? If so, I'd like to
> discuss ways of mapping mechanisms so that we can associate other
> data structures to a tree.
The primary reason I took it out was that it's unused on the mainline,
and we didn't want to waste the memory in 3.1.
I would be open to putting it back when ast-branch is merged back in,
but I would prefer to find a way which does not increase the size of
every tree node.
zw