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[Bug middle-end/30075] Missed optimizations with -fwhole-program -combine
- From: "dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Jun 2007 15:29:44 -0000
- Subject: [Bug middle-end/30075] Missed optimizations with -fwhole-program -combine
- References: <bug-30075-13698@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from dberlin at gcc dot gnu dot org 2007-06-26 15:29 -------
Subject: Re: Missed optimizations with -fwhole-program -combine
On 26 Jun 2007 03:10:26 -0000, acahalan at gmail dot com
<gcc-bugzilla@gcc.gnu.org> wrote:
>
>
> ------- Comment #4 from acahalan at gmail dot com 2007-06-26 03:10 -------
> (In reply to comment #3)
> > Subject: Re: Missed optimizations with -fwhole-program -combine
> >
> > I would not expect this to be fixed anytime soon. I have yet to find
> > any real people who use either combine or -fwhole-program. They use
> > *way* too much memory on real programs. As a result, no real people
> > involved in optimization work on optimizers for them.
>
> I'm real, and I want to use those.
>
That's nice and all, but i still wouldn't expect any work on them
until LTO is finished.
They are useless options right now.
I'd vote to remove them.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30075