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Matching front-end bits to support Acc_Kernels, Acc_Parallel, Acc_Loop and Acc_Data. 2018-12-03 Olivier Hainque <hainque@adacore.com> gcc/ada/ * gcc-interface/lang.opt (fopenacc): New option for Ada. * gcc-interface/misc.c (gnat_handle_option): Handle it. * gcc-interface/trans.c (struct loop_info_d): Add OMP attributes. (Iterate_Acc_Clause_Arg, Acc_gnat_to_gnu): New functions, helpers for OpenACC pragmas processing in Pragma_to_gnu. (Acc_Var_to_gnu, Acc_Reduc_Var_to_gnu, Acc_Reduc_to_gnu): Likewise. (Acc_Size_Expr_to_gnu, Acc_Size_List_to_gnu): Likewise. (Pragma_Acc_Data_to_gnu): Likewise. (Pragma_to_gnu): Handle Pragma_Acc_Loop, Pragma_Acc_Data, Pragma_Acc_Kernels and Pragma_Acc_Parallel. (Acc_Loop_to_gnu, Regular_Loop_to_gnu): New functions. Helpers for ... (Loop_Statement_to_gnu): Rework to handle OpenACC loops. From-SVN: r266748
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