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Re: RFC: Code size improvement for global alloc
- From: Daniel Jacobowitz <drow at false dot org>
- To: Vladimir Makarov <vmakarov at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 20 Sep 2004 20:45:04 -0400
- Subject: Re: RFC: Code size improvement for global alloc
- References: <20040706150716.GA10639@nevyn.them.org> <40EAD990.8020202@redhat.com>
Hi Vladimir,
On Tue, Jul 06, 2004 at 12:55:44PM -0400, Vladimir Makarov wrote:
> Still my patch (and yours) is a constrained form of coalescing because
> it is done after the register allocation (assigning). More common form
> of coalescing would require an iterative approach to the register
> allocation (and implementing register live range spilling to undo
> coalescing if it is necessary). It is one more way to improve the
> register allocation.
>
> I am going to submit my patch in a few weeks. It would be interesting
> to compare your patch with mine. I will probably do that.
Has there been any progress on this?
--
Daniel Jacobowitz