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Re: [PATCH 5/6] [GOMP4] OpenACC 1.0+ support in fortran front-end

From: Thomas Schwinge <thomas at codesourcery dot com>
To: Ilmir Usmanov <i dot usmanov at samsung dot com>, Tobias Burnus <burnus at net-b dot de>
Cc: Evgeny Gavrin <e dot gavrin at samsung dot com>, GarbuzovViacheslav <v dot garbuzov at samsung dot com>, Dmitri Botcharnikov <dmitry dot b at samsung dot com>, <gcc-patches at gcc dot gnu dot org>, <jakub at redhat dot com>, <fortran at gcc dot gnu dot org>
Date: Mon, 10 Feb 2014 11:52:20 +0100
Subject: Re: [PATCH 5/6] [GOMP4] OpenACC 1.0+ support in fortran front-end
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References: <52E158EF dot 9050009 at samsung dot com> <877g9pqmt2 dot fsf at schwinge dot name> <52E65B24 dot 9070403 at samsung dot com> <87iot5pgqb dot fsf at schwinge dot name> <52EB8437 dot 3060602 at samsung dot com> <52EB84C3 dot 4010407 at samsung dot com> <52EB8537 dot 4090708 at samsung dot com> <52EB8596 dot 2010808 at samsung dot com> <52EB85F7 dot 5020807 at samsung dot com> <52EB863B dot 3010501 at samsung dot com> <52F8127E dot 6050102 at net-b dot de> <52F89F93 dot 5070401 at samsung dot com>

Hi!

On Mon, 10 Feb 2014 13:44:51 +0400, Ilmir Usmanov <i.usmanov@samsung.com> wrote:
> > As -fopenmp seemingly can be mixed with -fopenacc, I think it would be 
> > nice to have some test cases where !$omp and !$acc are both placed - 
> > in either order - before the same Fortran statement.
> >
> I'm going to test this, too. There are can be some compilcations while 
> using both !$omp and !$acc on single statement.

For the record, in the C front end and middle end, I'm currently refusing
any nesting of OpenACC and OpenMP directives (keeping that "fun" for
later...).  See gcc/testsuite/c-c++-common/goacc-gomp/nesting-fail-1.c
and gcc/testsuite/c-c++-common/goacc/nesting-fail-1.c in r204532,
<http://news.gmane.org/find-root.php?message_id=%3C8761s5joir.fsf%40schwinge.name%3E>.

GrÃÃe,
 Thomas

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References:
- Re: [PATCH 5/6] [GOMP4] OpenACC 1.0+ support in fortran front-end
  - From: Tobias Burnus
- Re: [PATCH 5/6] [GOMP4] OpenACC 1.0+ support in fortran front-end
  - From: Ilmir Usmanov

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