From: Jakub Jelinek <jakub@redhat.com>
To: Cesar Philippidis <cesar@codesourcery.com>
Cc: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
Fortran List <fortran@gcc.gnu.org>
Subject: Re: [gomp4] don't error on implicitly private induction variables in gfortran
Date: Fri, 27 Jan 2017 15:07:00 -0000 [thread overview]
Message-ID: <20170127150719.GV1867@tucnak> (raw)
In-Reply-To: <ac10bd90-b1e1-c03d-1ad4-436974da1ab4@codesourcery.com>
On Fri, Jan 27, 2017 at 07:02:45AM -0800, Cesar Philippidis wrote:
> While experimenting with some new OpenACC benchmarks, I noticed that
> gfortran errors when the user explicitly marks loop induction variables
> as private. I applied this patch to gomp-4_0-branch to resolve that problem.
>
> Cesar
> 2017-01-26 Cesar Philippidis <cesar@codesourcery.com>
>
> gcc/fortran/
> * openmp.c (gfc_resolve_oacc_blocks): Populate list of private
> variables.
>
> gcc/testsuite/
> * gfortran.dg/goacc/implicitly-private.f90: New test.
>
>
> diff --git a/gcc/fortran/openmp.c b/gcc/fortran/openmp.c
> index 61940d7..2782a8d 100644
> --- a/gcc/fortran/openmp.c
> +++ b/gcc/fortran/openmp.c
> @@ -5192,7 +5192,8 @@ gfc_resolve_oacc_blocks (gfc_code *code, gfc_namespace *ns)
> {
> fortran_omp_context ctx;
> oacc_function dims = OACC_FUNCTION_NONE;
> -
> + gfc_omp_namelist *n;
> +
> resolve_oacc_loop_blocks (code);
>
> ctx.code = code;
> @@ -5217,6 +5218,10 @@ gfc_resolve_oacc_blocks (gfc_code *code, gfc_namespace *ns)
> ctx.dims = dims;
> omp_current_ctx = &ctx;
>
> + if (code->ext.omp_clauses)
> + for (n = code->ext.omp_clauses->lists[OMP_LIST_PRIVATE]; n; n = n->next)
> + ctx.private_iterators->add (n->sym);
Do you really want to add to private_iterators even variables that aren't
iterators, just arbitrary private variable?
Jakub
next prev parent reply other threads:[~2017-01-27 15:07 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-11 23:55 [patch,gomp4] make fortran loop variables implicitly private in openacc Cesar Philippidis
2014-08-13 3:55 ` Cesar Philippidis
2014-08-13 20:41 ` Tobias Burnus
2014-08-14 11:15 ` Thomas Schwinge
2014-08-22 15:08 ` Cesar Philippidis
2014-09-08 6:26 ` Tobias Burnus
2014-09-09 1:25 ` Cesar Philippidis
2017-01-27 15:03 ` [gomp4] don't error on implicitly private induction variables in gfortran Cesar Philippidis
2017-01-27 15:07 ` Jakub Jelinek [this message]
2017-01-27 15:17 ` Cesar Philippidis
2018-08-07 22:04 ` [PATCH][OpenACC] Don't " Cesar Philippidis
2019-04-17 8:38 ` [PR90048] Fortran OpenACC 'private' clause rejected for predetermined private loop iteration variable (was: [patch,gomp4] make fortran loop variables implicitly private in openacc) Thomas Schwinge
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