This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: TODO_rebuild_alias and -O0

From: Richard Guenther <richard dot guenther at gmail dot com>
To: Ludovic Courtès <ludo at gnu dot org>
Cc: gcc at gcc dot gnu dot org
Date: Mon, 8 Oct 2012 12:04:23 +0200
Subject: Re: TODO_rebuild_alias and -O0
References: <87y5jhe2lt.fsf@gnu.org> <CAFiYyc3R8MZZjC5wSrOE80nJ4-2E5AM3S=9wz-s9ej87Osgkbw@mail.gmail.com> <87ipale13x.fsf@gnu.org>

On Mon, Oct 8, 2012 at 11:58 AM, Ludovic Courtès <ludo@gnu.org> wrote:
> Richard Guenther <richard.guenther@gmail.com> skribis:
>
>> At -O0 no virtual operands are produced.  TODO_rebuild_alias only computes
>> points-to sets which are in itself not useful.
>>
>> What do you want to achieve with TODO_rebuild_alias?
>
> I basically want to use ‘ptr_derefs_may_alias_p’ in this particular pass.

That should work.

> Thanks,
> Ludo’.

Follow-Ups:
- Re: TODO_rebuild_alias and -O0
  - From: Ludovic Courtès

References:
- TODO_rebuild_alias and -O0
  - From: Ludovic Courtès
- Re: TODO_rebuild_alias and -O0
  - From: Richard Guenther
- Re: TODO_rebuild_alias and -O0
  - From: Ludovic Courtès

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]