[OpenACC] Update OpenACC data clause semantics to the 2.5 behavior - Fortran

[Jakub Jelinek]

On Tue, Jun 19, 2018 at 09:59:57AM -0700, Cesar Philippidis wrote:
> This patch implements the OpenACC 2.5 data clause semantics in the
> Fortran FE.
> 
> Is it OK for trunk?
> 
> Cesar

> 2018-06-19  Chung-Lin Tang <cltang@codesourcery.com>
> 	    Thomas Schwinge <thomas@codesourcery.com>
> 	    Cesar Philippidis  <cesar@codesourcery.com>
> 
> 	gcc/fortran/
> 	* gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
> 	bitfields.
> 	* openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
> 	OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
> 	(gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
> 	create, deviceptr, present_of_*. Add support for finalize and
> 	if_present.
> 	(OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
> 	(OACC_KERNELS_CLAUSES): Likewise.
> 	(OACC_DATA_CLAUSES): Likewise.
> 	(OACC_DECLARE_CLAUSES): Likewise.
> 	(OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
> 	(OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
> 	(OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
> 	(gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
> 	* trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
> 	and FINALIZE.

Ok.

	Jakub