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From: Tobias Burnus <tobias@codesourcery.com>
To: Jakub Jelinek <jakub@redhat.com>,
	gcc-patches <gcc-patches@gcc.gnu.org>,
	fortran <fortran@gcc.gnu.org>
Subject: Re: [Patch] OpenMP/Fortran: Handle polymorphic scalars in data-sharing FIRSTPRIVATE (PR86470)
Date: Mon, 31 Aug 2020 10:28:14 +0200	[thread overview]
Message-ID: <4d392886-4a31-fbbc-acdc-303f547f4967@codesourcery.com> (raw)
In-Reply-To: <8bcd00c3-9de5-c072-d893-9218a08a1c2f@codesourcery.com>

*PING* — For this part 1/n patch series.

On 8/25/20 12:50 PM, Tobias Burnus wrote:
> This patch adds support for polymorphic variables ("CLASS")
> to OpenMP's data-sharing clause FIRSTPRIVATE.
>
> While the patch should be okay, there is more follow-up
> work required, but one has to make a start :-)
>
> * PRIVATE – as used in the testcase of the PR is not yet supported,
>   only FIRSTPRIVATE.
> * polymorphic arrays are not supported (see 'sorry').
> – For nonallocatable arrays, the decl passed to the function
>   does contain much information; the LANG_SPECIFIC is non-NULL
>   its the pointer components contain garbage :-(
> – Handling noncharacter polymorphic arrays (hence: non-unlimited
>   polymorphic) seems to be simpler; the current patch seems to
>   work for some cases already, if the "sorry" is commented.
> * ...
>
> OK for mainline?
>
> Tobias
>
> PS: Supporting *map*ing of polymorphic variables is another matter,
> which is unfortunately even harder.
>
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  reply	other threads:[~2020-08-31  8:28 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-25 10:50 Tobias Burnus
2020-08-31  8:28 ` Tobias Burnus [this message]
2020-08-31 10:55 ` Andre Vehreschild
2020-08-31 13:58   ` Tobias Burnus
2020-08-31 16:34 ` Jakub Jelinek
2021-03-10 10:55 [Patch] OpenMP/Fortran: Handle polymorphic scalars in data-sharing FIRSTPRIVATE [PR86470] Tobias Burnus
2021-05-23  9:47 ` Tobias Burnus
2021-05-24 14:06 ` Jakub Jelinek

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