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Re: Implement stack arrays even for unknown sizes

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: Michael Matz <matz at suse dot de>
Cc: Paul Richard Thomas <paul dot richard dot thomas at gmail dot com>, Dominique Dhumieres <dominiq at lps dot ens dot fr>, fortran at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Mon, 11 Apr 2011 09:59:13 -0700
Subject: Re: Implement stack arrays even for unknown sizes
References: <20110409100809.BF9CD3BE18@mailhost.lps.ens.fr> <BANLkTikwa8es+FxG2ThwWMo4MFGWVeddvg@mail.gmail.com> <Pine.LNX.4.64.1104111800010.1989@wotan.suse.de>

On Mon, Apr 11, 2011 at 9:04 AM, Michael Matz <matz@suse.de> wrote:
> On Sat, 9 Apr 2011, Paul Richard Thomas wrote:
>
>> I find that both nf.f90 and capacita.f90 segfault in runtime for any
>> stack size.
>
> Try this patch. ?I've verified that capacita and nf work with it and
> -march=native -ffast-math -funroll-loops -fstack-arrays -O3 . ?In fact all
> of polyhedron works for me on these flags. ?(I've set a ulimit -s of
> 512MB, but I don't know if such a large amount is required).
>
>

Is that possible to raise stack limit when -fstack-arrays is used?


-- 
H.J.

Follow-Ups:
- Re: Implement stack arrays even for unknown sizes
  - From: N.M. Maclaren

References:
- Re: Implement stack arrays even for unknown sizes
  - From: Dominique Dhumieres
- Re: Implement stack arrays even for unknown sizes
  - From: Paul Richard Thomas
- Re: Implement stack arrays even for unknown sizes
  - From: Michael Matz

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