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Re: [PATCH] Clean up call clobber flag and MTAG flags usage
- From: "Daniel Berlin" <dberlin at dberlin dot org>
- To: "Richard Guenther" <rguenther at suse dot de>
- Cc: gcc-patches at gcc dot gnu dot org, "Diego Novillo" <dnovillo at google dot com>
- Date: Tue, 3 Jun 2008 17:32:57 -0400
- Subject: Re: [PATCH] Clean up call clobber flag and MTAG flags usage
- References: <Pine.LNX.4.64.0806031200080.26762@zhemvz.fhfr.qr>
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