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From: Richard Biener <richard.guenther@gmail.com>
To: Eric Botcazou <ebotcazou@adacore.com>,gcc-patches@gcc.gnu.org
Cc: Bernd Schmidt <bschmidt@redhat.com>
Subject: Re: [patch] Fix PR middle-end/68291 & 68292
Date: Mon, 07 Dec 2015 17:01:00 -0000	[thread overview]
Message-ID: <3C6ECFAD-7ED2-4C4F-9F5F-2FF5C1D3DD10@gmail.com> (raw)
In-Reply-To: <1582891.0dDj8qRMGV@polaris>

On December 7, 2015 5:42:02 PM GMT+01:00, Eric Botcazou <ebotcazou@adacore.com> wrote:
>> Ok. Although thinking about your comment in the PR about not making
>such
>> vectors gimple registers I wonder what the effects of that would be.
>
>First of all it's a bit painful to do because is_gimple_reg_type is
>defined 
>inline in gimple-expr.h and adding TYPE_MODE in there causes a
>compilation 
>failure for a bunch of files.  More seriously, this can probably be
>seen as a 
>real layering violation so I'm not sure this would be a progress.

Yeah, it would also have quite some impact on optimization.  Note that if only specific decls are involved they can be made non-registers via DECL_GIMPLE_REG_P.

Richard.


  reply	other threads:[~2015-12-07 17:01 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-07  9:36 Eric Botcazou
2015-12-07 10:14 ` Bernd Schmidt
2015-12-07 16:42   ` Eric Botcazou
2015-12-07 17:01     ` Richard Biener [this message]
2015-12-08  9:31 ` Christophe Lyon
2015-12-08  9:46   ` Eric Botcazou
2015-12-08 10:05     ` Christophe Lyon
2015-12-08 10:50       ` Eric Botcazou
2015-12-08 15:40         ` Bernd Schmidt
2015-12-08 18:48           ` Eric Botcazou
2015-12-09  9:11             ` Christophe Lyon

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