From: Mikael Morin <morin-mikael@orange.fr>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Kwok Cheung Yeung <kcy@codesourcery.com>,
gscfq@t-online.de, Tobias Burnus <tobias@codesourcery.com>,
gcc-patches <gcc-patches@gcc.gnu.org>,
fortran <fortran@gcc.gnu.org>
Subject: Re: [PATCH] openmp, fortran: Check that event handles passed to detach clauses are not arrays [PR104131]
Date: Mon, 28 Feb 2022 23:36:13 +0100 [thread overview]
Message-ID: <da9c7ad0-a5b4-8349-44e3-4a72b26eaf3b@orange.fr> (raw)
In-Reply-To: <Yh1AqBhbW6ZeItm2@tucnak>
Le 28/02/2022 à 22:37, Jakub Jelinek a écrit :
> On Mon, Feb 28, 2022 at 09:45:10PM +0100, Mikael Morin wrote:
>> Le 28/02/2022 à 21:37, Mikael Morin a écrit :
>>> Maybe corank should be checked together with rank?
>>
>> Lesson learned today: expressions don’t have a corank.
There is gfc_is_coindexed that can be used.
>> Does pr104131-2.f90 really need to be rejected?
>
> OpenMP 5.2 says that detach clause should be treated as if it appears on a
> firstprivate clause and for the privatization clauses says:
> "A private variable must not be coindexed or appear as an actual argument to a procedure where
> the corresponding dummy argument is a coarray."
> 5.1 had the same restriction.
>
There is also:
> A variable that is part of another variable (as an array element or a structure element) cannot
> appear in a detach clause.
which tells that the check should be on expr->ref instead of
expr->sym->as or expr->rank.
None of the above excerpts from the spec forbid pr104131.f90 or
pr104131-2.f90 by the way.
next prev parent reply other threads:[~2022-02-28 22:36 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-28 14:01 Kwok Cheung Yeung
2022-02-28 14:07 ` Jakub Jelinek
2022-02-28 14:27 ` Kwok Cheung Yeung
2022-02-28 15:54 ` Mikael Morin
2022-02-28 16:00 ` Jakub Jelinek
2022-02-28 17:33 ` Mikael Morin
2022-02-28 17:37 ` Jakub Jelinek
2022-02-28 18:38 ` Kwok Cheung Yeung
2022-02-28 20:37 ` Mikael Morin
2022-02-28 20:45 ` Mikael Morin
2022-02-28 21:37 ` Jakub Jelinek
2022-02-28 22:36 ` Mikael Morin [this message]
2022-03-01 7:58 ` Tobias Burnus
2022-03-01 8:16 ` Jakub Jelinek
2022-03-01 9:17 ` Tobias Burnus
2022-03-01 15:37 ` Mikael Morin
2022-03-02 17:22 ` [PATCH][v2] openmp, fortran: Check that the type of an event handle in a detach clause is suitable [PR104131] Kwok Cheung Yeung
2022-03-02 17:31 ` Jakub Jelinek
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