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Re: [PATCH] Clean up call clobber flag and MTAG flags usage

From: Richard Guenther <rguenther at suse dot de>
To: Daniel Berlin <dberlin at dberlin dot org>
Cc: gcc-patches at gcc dot gnu dot org, Diego Novillo <dnovillo at google dot com>
Date: Wed, 4 Jun 2008 10:29:20 +0200 (CEST)
Subject: Re: [PATCH] Clean up call clobber flag and MTAG flags usage
References: <Pine.LNX.4.64.0806031200080.26762@zhemvz.fhfr.qr> <4aca3dc20806031432qa856699vb7c4d95616533bc3@mail.gmail.com>

On Tue, 3 Jun 2008, Daniel Berlin wrote:

> On Tue, Jun 3, 2008 at 6:04 AM, Richard Guenther <rguenther@suse.de> wrote:
> >
> > This makes the use of tree flags on MTAGs and the call clobber flag
> > handling consistent.  Basically I see no reason not to use
> > var_ann->call_clobbered for MTAGs as well.
> 
> Oh, mtags didn't have to have VAR_ANN in order to save memory.
> :)
> That was the reason for the flag.
> 
> If they are going to have var_ann, then yes, there is no point in not
> using the existing flag

Yeah, they basically exist all the time now.

Richard.

References:
- [PATCH] Clean up call clobber flag and MTAG flags usage
  - From: Richard Guenther
- Re: [PATCH] Clean up call clobber flag and MTAG flags usage
  - From: Daniel Berlin

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