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Re: PR 23551: why should we coalesce inlined variables?
- From: Mark Mitchell <mark at codesourcery dot com>
- To: David Edelsohn <dje at watson dot ibm dot com>
- Cc: Alexandre Oliva <aoliva at redhat dot com>, Richard Guenther <richard dot guenther at gmail dot com>, Jan Hubicka <hubicka at ucw dot cz>, Andrew MacLeod <amacleod at redhat dot com>, Seongbae Park <seongbae dot park at gmail dot com>, Andrew Pinski <pinskia at gmail dot com>, gcc-patches at gcc dot gnu dot org
- Date: Sun, 08 Jul 2007 15:22:21 -0700
- Subject: Re: PR 23551: why should we coalesce inlined variables?
- References: <84fc9c000707080139v3ff52b37s78fdf68d7f6bc469@mail.gmail.com> <200707081226.l68CQvQ33434@makai.watson.ibm.com>
David Edelsohn wrote:
> Richard writes:
>
>> I propose to revert this patch for now.
>
> I agree. I think the patch should be reverted as the benefit does
> not justify the cost.
I agree.
I think Alexandre's right that it's a vital invariant that -g not change
code generation, and that, therefore, we cannot gate this on the
presence of -g. But, I also don't think that increases in memory as
large as reported are worth the debugging benefits.
--
Mark Mitchell
CodeSourcery
mark@codesourcery.com
(650) 331-3385 x713