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Re: [Patch, fortran] PR fortran/38184 invariant RESHAPE not expanded if SOURCE is empty.
- From: Tobias Burnus <burnus at net-b dot de>
- To: Mikael Morin <mikael dot morin at tele2 dot fr>
- Cc: correctifs gcc <gcc-patches at gcc dot gnu dot org>, gfortran <fortran at gcc dot gnu dot org>
- Date: Sun, 23 Nov 2008 23:29:49 +0100
- Subject: Re: [Patch, fortran] PR fortran/38184 invariant RESHAPE not expanded if SOURCE is empty.
- References: <492483F3.9030809@tele2.fr>
Mikael Morin wrote:
> this is only a missed optimization, but it is obvious on the other hand,
> and it should have a limited impact (empty arrays only).
>
> regression-tested on x86_64-unknown-linux-gnu, ok for 4.4? 4.3 as well?
>
OK for 4.4, I think there is no need for 4.3. (As James has shown this
is also a rejects-valid PR.)
Sorry for missing the patch. Is there any other unreviewed patch around?
Tobias
> 2008-11-19 Mikael Morin <mikael.morin@tele2.fr>
>
> PR fortran/38184
> * simplify.c (is_constant_array_expr): Return true instead of false
> if the array constructor is empty
>
> 2008-11-19 Mikael Morin <mikael.morin@tele2.fr>
>
> PR fortran/38184
> * gfortran.dg/reshape_empty_1.f03: New test.
>
>