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This patch refactors struct sibling-list processing in gimplify.cc, and adjusts some related mapping-clause processing in the Fortran FE and omp-low.cc accordingly. 2022-09-13 Julian Brown <julian@codesourcery.com> gcc/fortran/ * trans-openmp.cc (gfc_trans_omp_clauses): Don't create GOMP_MAP_TO_PSET mappings for class metadata, nor GOMP_MAP_POINTER mappings for POINTER_TYPE_P decls. gcc/ * gimplify.cc (gimplify_omp_var_data): Remove GOVD_MAP_HAS_ATTACHMENTS. (GOMP_FIRSTPRIVATE_IMPLICIT): Renumber. (insert_struct_comp_map): Refactor function into... (build_omp_struct_comp_nodes): This new function. Remove list handling and improve self-documentation. (extract_base_bit_offset): Remove BASE_REF, OFFSETP parameters. Move code to strip outer parts of address out of function, but strip no-op conversions. (omp_mapping_group): Add DELETED field for use during reindexing. (omp_strip_components_and_deref, omp_strip_indirections): New functions. (omp_group_last, omp_group_base): Add GOMP_MAP_STRUCT handling. (omp_gather_mapping_groups): Initialise DELETED field for new groups. (omp_index_mapping_groups): Notice DELETED groups when (re)indexing. (omp_siblist_insert_node_after, omp_siblist_move_node_after, omp_siblist_move_nodes_after, omp_siblist_move_concat_nodes_after): New helper functions. (omp_accumulate_sibling_list): New function to build up GOMP_MAP_STRUCT node groups for sibling lists. Outlined from gimplify_scan_omp_clauses. (omp_build_struct_sibling_lists): New function. (gimplify_scan_omp_clauses): Remove struct_map_to_clause, struct_seen_clause, struct_deref_set. Call omp_build_struct_sibling_lists as pre-pass instead of handling sibling lists in the function's main processing loop. (gimplify_adjust_omp_clauses_1): Remove GOVD_MAP_HAS_ATTACHMENTS handling, unused now. * omp-low.cc (scan_sharing_clauses): Handle pointer-type indirect struct references, and references to pointers to structs also. gcc/testsuite/ * g++.dg/goacc/member-array-acc.C: New test. * g++.dg/gomp/member-array-omp.C: New test. * g++.dg/gomp/target-3.C: Update expected output. * g++.dg/gomp/target-lambda-1.C: Likewise. * g++.dg/gomp/target-this-2.C: Likewise. * c-c++-common/goacc/deep-copy-arrayofstruct.c: Move test from here. * c-c++-common/gomp/target-50.c: New test. libgomp/ * testsuite/libgomp.oacc-c-c++-common/deep-copy-15.c: New test. * testsuite/libgomp.oacc-c-c++-common/deep-copy-16.c: New test. * testsuite/libgomp.oacc-c++/deep-copy-17.C: New test. * testsuite/libgomp.oacc-c-c++-common/deep-copy-arrayofstruct.c: Move test to here, make "run" test.
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