From patchwork Fri Aug 18 22:47:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Julian Brown X-Patchwork-Id: 1823197 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=8.43.85.97; helo=server2.sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (ip-8-43-85-97.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RSHCK5hS6z1ygW for ; Sat, 19 Aug 2023 08:50:37 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 334B1382DC5C for ; Fri, 18 Aug 2023 22:50:34 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from esa3.mentor.iphmx.com (esa3.mentor.iphmx.com [68.232.137.180]) by sourceware.org (Postfix) with ESMTPS id A31343870F30; Fri, 18 Aug 2023 22:48:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A31343870F30 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=codesourcery.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=mentor.com X-IronPort-AV: E=Sophos;i="6.01,184,1684828800"; d="scan'208";a="14830510" Received: from orw-gwy-02-in.mentorg.com ([192.94.38.167]) by esa3.mentor.iphmx.com with ESMTP; 18 Aug 2023 14:48:24 -0800 IronPort-SDR: L+yW3cnB6N3G0BGYUmRzoomPcqOgKDwfBCN/XbvxwVFksJ9YzDO+CJJqr9iQxNwsu3DKQaVOfA BYiOxnqqzYhdZWlevDTvGYQPjpGYcDjcJmSfMQjsalOfo36srhgPJheX3LR/BD+4roMtLKLEWp IZ3L+DdXStibA6qAIYvk5XUCJ8YLaahWhJZNnL4emcse3SdbutbFx/CK+2R92gosZDfW+1gufQ lfZR7m4mua0Q+LaezcRj121Bhvkov7V1CIphFEa4doCxbEUCBXWvH5ZrVklDeN0Q0D6E2NXxAy MZo= From: Julian Brown To: CC: , , Subject: [PATCH v7 3/5] OpenMP: Pointers and member mappings Date: Fri, 18 Aug 2023 15:47:49 -0700 Message-ID: X-Mailer: git-send-email 2.41.0 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [137.202.0.90] X-ClientProxiedBy: svr-ies-mbx-15.mgc.mentorg.com (139.181.222.15) To svr-ies-mbx-11.mgc.mentorg.com (139.181.222.11) X-Spam-Status: No, score=-11.0 required=5.0 tests=BAYES_00, GIT_PATCH_0, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, KAM_SHORT, KAM_STOCKGEN, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" This patch changes the mapping node arrangement used for array components of derived types in order to accommodate for changes made in the previous patch, particularly the use of "GOMP_MAP_ATTACH_DETACH" for pointer-typed derived-type members instead of "GOMP_MAP_ALWAYS_POINTER". We change the mapping nodes used for a derived-type mapping like this: type T integer, pointer, dimension(:) :: arrptr end type T type(T) :: tvar [...] !$omp target map(tofrom: tvar%arrptr) So that the nodes used look like this: 1) map(to: tvar%arrptr) --> GOMP_MAP_TO [implicit] *tvar%arrptr%data (the array data) GOMP_MAP_TO_PSET tvar%arrptr (the descriptor) GOMP_MAP_ATTACH_DETACH tvar%arrptr%data 2) map(tofrom: tvar%arrptr(3:8) --> GOMP_MAP_TOFROM *tvar%arrptr%data(3) (size 8-3+1, etc.) GOMP_MAP_TO_PSET tvar%arrptr GOMP_MAP_ATTACH_DETACH tvar%arrptr%data (bias 3, etc.) In this case, we can determine in the front-end that the whole-array/pointer mapping (1) is only needed to map the pointer -- so we drop it entirely. (Note also that we set -- early -- the OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P flag for whole-array-via-pointer mappings. See below.) In the middle end, we process mappings using the struct sibling-list handling machinery by moving the "GOMP_MAP_TO_PSET" node from the middle of the group of three mapping nodes to the proper sorted position after the GOMP_MAP_STRUCT mapping: GOMP_MAP_STRUCT tvar (len: 1) GOMP_MAP_TO_PSET tvar%arr (size: 64, etc.) <--. moved here [...] | GOMP_MAP_TOFROM *tvar%arrptr%data(3) ___| GOMP_MAP_ATTACH_DETACH tvar%arrptr%data In another case, if we have an array of derived-type values "dtarr", and mappings like: i = 1 j = 1 map(to: dtarr(i)%arrptr) map(tofrom: dtarr(j)%arrptr(3:8)) We still map the same way, but this time we cannot prove that the base expressions "dtarr(i) and "dtarr(j)" are the same in the front-end. So we keep both mappings, but we move the "[implicit]" mapping of the full-array reference to the end of the clause list in gimplify.cc (by adjusting the topological sorting algorithm): GOMP_MAP_STRUCT dtvar (len: 2) GOMP_MAP_TO_PSET dtvar(i)%arrptr GOMP_MAP_TO_PSET dtvar(j)%arrptr [...] GOMP_MAP_TOFROM *dtvar(j)%arrptr%data(3) (size: 8-3+1) GOMP_MAP_ATTACH_DETACH dtvar(j)%arrptr%data GOMP_MAP_TO [implicit] *dtvar(i)%arrptr%data(1) (size: whole array) GOMP_MAP_ATTACH_DETACH dtvar(i)%arrptr%data Always moving "[implicit]" full-array mappings after array-section mappings (without that bit set) means that we'll avoid copying the whole array unnecessarily -- even in cases where we can't prove that the arrays are the same. The patch also fixes some bugs with "enter data" and "exit data" directives with this new mapping arrangement. Also now if you have mappings like this: #pragma omp target enter data map(to: dv, dv%arr(1:20)) The whole of the derived-type variable "dv" is mapped, so the GOMP_MAP_TO_PSET for the array-section mapping can be dropped: GOMP_MAP_TO dv GOMP_MAP_TO *dv%arr%data GOMP_MAP_TO_PSET dv%arr <-- deleted (array section mapping) GOMP_MAP_ATTACH_DETACH dv%arr%data To accommodate for recent changes to mapping nodes made by Tobias, this version of the patch avoids using GOMP_MAP_TO_PSET for "exit data" directives, in favour of using the "correct" GOMP_MAP_RELEASE/GOMP_MAP_DELETE kinds during early expansion. A new flag is introduced so the middle-end knows when the latter two kinds are being used specifically for an array descriptor. This version of the patch is based on the version posted for the og13 branch: https://gcc.gnu.org/pipermail/gcc-patches/2023-June/622222.html 2023-08-18 Julian Brown gcc/fortran/ * dependency.cc (gfc_omp_expr_prefix_same): New function. * dependency.h (gfc_omp_expr_prefix_same): Add prototype. * gfortran.h (gfc_omp_namelist): Add "duplicate_of" field to "u2" union. * trans-openmp.cc (dependency.h): Include. (gfc_trans_omp_array_section): Adjust mapping node arrangement for array descriptors. Use GOMP_MAP_TO_PSET or GOMP_MAP_RELEASE/GOMP_MAP_DELETE with the OMP_CLAUSE_RELEASE_DESCRIPTOR flag set. (gfc_symbol_rooted_namelist): New function. (gfc_trans_omp_clauses): Check subcomponent and subarray/element accesses elsewhere in the clause list for pointers to derived types or array descriptors, and adjust or drop mapping nodes appropriately. Adjust for changes to mapping node arrangement. (gfc_trans_oacc_executable_directive): Pass code op through. gcc/ * gimplify.cc (omp_map_clause_descriptor_p): New function. (build_omp_struct_comp_nodes, omp_get_attachment, omp_group_base): Use above function. (omp_tsort_mapping_groups): Process nodes that have OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P set after those that don't. Add enter_exit_data parameter. (omp_resolve_clause_dependencies): Remove GOMP_MAP_TO_PSET mappings if we're mapping the whole containing derived-type variable. (omp_accumulate_sibling_list): Adjust GOMP_MAP_TO_PSET handling. Remove GOMP_MAP_ALWAYS_POINTER handling. (gimplify_scan_omp_clauses): Pass enter_exit argument to omp_tsort_mapping_groups. Don't adjust/remove GOMP_MAP_TO_PSET mappings for derived-type components here. * tree.h (OMP_CLAUSE_RELEASE_DESCRIPTOR): New macro. gcc/testsuite/ * gfortran.dg/gomp/map-9.f90: Adjust scan output. * gfortran.dg/gomp/map-subarray-2.f90: New test. * gfortran.dg/gomp/map-subarray.f90: New test. libgomp/ * testsuite/libgomp.fortran/map-subarray.f90: New test. * testsuite/libgomp.fortran/map-subarray-2.f90: New test. * testsuite/libgomp.fortran/map-subarray-3.f90: New test. * testsuite/libgomp.fortran/map-subarray-4.f90: New test. * testsuite/libgomp.fortran/map-subarray-6.f90: New test. * testsuite/libgomp.fortran/map-subarray-7.f90: New test. * testsuite/libgomp.fortran/map-subarray-8.f90: New test. * testsuite/libgomp.fortran/map-subcomponents.f90: New test. * testsuite/libgomp.fortran/struct-elem-map-1.f90: Adjust for descriptor-mapping changes. Remove XFAIL. --- gcc/fortran/dependency.cc | 128 +++++++++ gcc/fortran/dependency.h | 1 + gcc/fortran/gfortran.h | 1 + gcc/fortran/trans-openmp.cc | 272 +++++++++++++++--- gcc/gimplify.cc | 163 ++++++++--- gcc/testsuite/gfortran.dg/gomp/map-9.f90 | 2 +- .../gfortran.dg/gomp/map-subarray-2.f90 | 57 ++++ .../gfortran.dg/gomp/map-subarray.f90 | 40 +++ gcc/tree.h | 4 + .../libgomp.fortran/map-subarray-2.f90 | 108 +++++++ .../libgomp.fortran/map-subarray-3.f90 | 62 ++++ .../libgomp.fortran/map-subarray-4.f90 | 35 +++ .../libgomp.fortran/map-subarray-6.f90 | 26 ++ .../libgomp.fortran/map-subarray-7.f90 | 29 ++ .../libgomp.fortran/map-subarray-8.f90 | 47 +++ .../libgomp.fortran/map-subarray.f90 | 33 +++ .../libgomp.fortran/map-subcomponents.f90 | 32 +++ .../libgomp.fortran/struct-elem-map-1.f90 | 183 +++++++++++- 18 files changed, 1141 insertions(+), 82 deletions(-) create mode 100644 gcc/testsuite/gfortran.dg/gomp/map-subarray-2.f90 create mode 100644 gcc/testsuite/gfortran.dg/gomp/map-subarray.f90 create mode 100644 libgomp/testsuite/libgomp.fortran/map-subarray-2.f90 create mode 100644 libgomp/testsuite/libgomp.fortran/map-subarray-3.f90 create mode 100644 libgomp/testsuite/libgomp.fortran/map-subarray-4.f90 create mode 100644 libgomp/testsuite/libgomp.fortran/map-subarray-6.f90 create mode 100644 libgomp/testsuite/libgomp.fortran/map-subarray-7.f90 create mode 100644 libgomp/testsuite/libgomp.fortran/map-subarray-8.f90 create mode 100644 libgomp/testsuite/libgomp.fortran/map-subarray.f90 create mode 100644 libgomp/testsuite/libgomp.fortran/map-subcomponents.f90 diff --git a/gcc/fortran/dependency.cc b/gcc/fortran/dependency.cc index 632b3985723e..94647032ab53 100644 --- a/gcc/fortran/dependency.cc +++ b/gcc/fortran/dependency.cc @@ -2337,3 +2337,131 @@ gfc_dep_resolver (gfc_ref *lref, gfc_ref *rref, gfc_reverse *reverse, return fin_dep == GFC_DEP_OVERLAP; } + +/* Check if two refs are equal, for the purposes of checking if one might be + the base of the other for OpenMP (target directives). Derived from + gfc_dep_resolver. This function is stricter, e.g. indices arr(i) and + arr(j) compare as non-equal. */ + +bool +gfc_omp_expr_prefix_same (gfc_expr *lexpr, gfc_expr *rexpr) +{ + gfc_ref *lref, *rref; + + if (lexpr->symtree && rexpr->symtree) + { + /* See are_identical_variables above. */ + if (lexpr->symtree->n.sym->attr.dummy + && rexpr->symtree->n.sym->attr.dummy) + { + /* Dummy arguments: Only check for equal names. */ + if (lexpr->symtree->n.sym->name != rexpr->symtree->n.sym->name) + return false; + } + else + { + if (lexpr->symtree->n.sym != rexpr->symtree->n.sym) + return false; + } + } + else if (lexpr->base_expr && rexpr->base_expr) + { + if (gfc_dep_compare_expr (lexpr->base_expr, rexpr->base_expr) != 0) + return false; + } + else + return false; + + lref = lexpr->ref; + rref = rexpr->ref; + + while (lref && rref) + { + gfc_dependency fin_dep = GFC_DEP_EQUAL; + + if (lref && lref->type == REF_COMPONENT && lref->u.c.component + && strcmp (lref->u.c.component->name, "_data") == 0) + lref = lref->next; + + if (rref && rref->type == REF_COMPONENT && rref->u.c.component + && strcmp (rref->u.c.component->name, "_data") == 0) + rref = rref->next; + + gcc_assert (lref->type == rref->type); + + switch (lref->type) + { + case REF_COMPONENT: + if (lref->u.c.component != rref->u.c.component) + return false; + break; + + case REF_ARRAY: + if (ref_same_as_full_array (lref, rref)) + break; + if (ref_same_as_full_array (rref, lref)) + break; + + if (lref->u.ar.dimen != rref->u.ar.dimen) + { + if (lref->u.ar.type == AR_FULL + && gfc_full_array_ref_p (rref, NULL)) + break; + if (rref->u.ar.type == AR_FULL + && gfc_full_array_ref_p (lref, NULL)) + break; + return false; + } + + for (int n = 0; n < lref->u.ar.dimen; n++) + { + if (lref->u.ar.dimen_type[n] == DIMEN_VECTOR + && rref->u.ar.dimen_type[n] == DIMEN_VECTOR + && gfc_dep_compare_expr (lref->u.ar.start[n], + rref->u.ar.start[n]) == 0) + continue; + if (lref->u.ar.dimen_type[n] == DIMEN_RANGE + && rref->u.ar.dimen_type[n] == DIMEN_RANGE) + fin_dep = check_section_vs_section (&lref->u.ar, &rref->u.ar, + n); + else if (lref->u.ar.dimen_type[n] == DIMEN_ELEMENT + && rref->u.ar.dimen_type[n] == DIMEN_RANGE) + fin_dep = gfc_check_element_vs_section (lref, rref, n); + else if (rref->u.ar.dimen_type[n] == DIMEN_ELEMENT + && lref->u.ar.dimen_type[n] == DIMEN_RANGE) + fin_dep = gfc_check_element_vs_section (rref, lref, n); + else if (lref->u.ar.dimen_type[n] == DIMEN_ELEMENT + && rref->u.ar.dimen_type[n] == DIMEN_ELEMENT) + { + gfc_array_ref l_ar = lref->u.ar; + gfc_array_ref r_ar = rref->u.ar; + gfc_expr *l_start = l_ar.start[n]; + gfc_expr *r_start = r_ar.start[n]; + int i = gfc_dep_compare_expr (r_start, l_start); + if (i == 0) + fin_dep = GFC_DEP_EQUAL; + else + return false; + } + else + return false; + if (n + 1 < lref->u.ar.dimen + && fin_dep != GFC_DEP_EQUAL) + return false; + } + + if (fin_dep != GFC_DEP_EQUAL + && fin_dep != GFC_DEP_OVERLAP) + return false; + + break; + + default: + gcc_unreachable (); + } + lref = lref->next; + rref = rref->next; + } + + return true; +} diff --git a/gcc/fortran/dependency.h b/gcc/fortran/dependency.h index fbbede8b22ca..a2458f79034b 100644 --- a/gcc/fortran/dependency.h +++ b/gcc/fortran/dependency.h @@ -40,5 +40,6 @@ int gfc_expr_is_one (gfc_expr *, int); bool gfc_dep_resolver (gfc_ref *, gfc_ref *, gfc_reverse *, bool identical = false); bool gfc_are_equivalenced_arrays (gfc_expr *, gfc_expr *); +bool gfc_omp_expr_prefix_same (gfc_expr *, gfc_expr *); gfc_expr * gfc_discard_nops (gfc_expr *); diff --git a/gcc/fortran/gfortran.h b/gcc/fortran/gfortran.h index 9a00e6dea6f1..3c8270a0f83a 100644 --- a/gcc/fortran/gfortran.h +++ b/gcc/fortran/gfortran.h @@ -1378,6 +1378,7 @@ typedef struct gfc_omp_namelist gfc_namespace *ns; gfc_expr *allocator; struct gfc_symbol *traits_sym; + struct gfc_omp_namelist *duplicate_of; } u2; struct gfc_omp_namelist *next; locus where; diff --git a/gcc/fortran/trans-openmp.cc b/gcc/fortran/trans-openmp.cc index 46f80d086fd5..a9dc1a617be5 100644 --- a/gcc/fortran/trans-openmp.cc +++ b/gcc/fortran/trans-openmp.cc @@ -40,6 +40,7 @@ along with GCC; see the file COPYING3. If not see #include "omp-general.h" #include "omp-low.h" #include "memmodel.h" /* For MEMMODEL_ enums. */ +#include "dependency.h" #undef GCC_DIAG_STYLE #define GCC_DIAG_STYLE __gcc_tdiag__ @@ -2491,36 +2492,23 @@ gfc_trans_omp_array_section (stmtblock_t *block, gfc_exec_op op, } if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (decl))) { - tree desc_node; tree type = TREE_TYPE (decl); ptr2 = gfc_conv_descriptor_data_get (decl); - desc_node = build_omp_clause (input_location, OMP_CLAUSE_MAP); - OMP_CLAUSE_DECL (desc_node) = decl; - OMP_CLAUSE_SIZE (desc_node) = TYPE_SIZE_UNIT (type); - if (OMP_CLAUSE_MAP_KIND (node) == GOMP_MAP_DELETE) + node2 = build_omp_clause (input_location, OMP_CLAUSE_MAP); + OMP_CLAUSE_DECL (node2) = decl; + OMP_CLAUSE_SIZE (node2) = TYPE_SIZE_UNIT (type); + if (OMP_CLAUSE_MAP_KIND (node) == GOMP_MAP_DELETE + || OMP_CLAUSE_MAP_KIND (node) == GOMP_MAP_RELEASE + || op == EXEC_OMP_TARGET_EXIT_DATA) { - OMP_CLAUSE_SET_MAP_KIND (desc_node, GOMP_MAP_DELETE); - node2 = desc_node; - } - else if (OMP_CLAUSE_MAP_KIND (node) == GOMP_MAP_RELEASE - || op == EXEC_OMP_TARGET_EXIT_DATA) - { - OMP_CLAUSE_SET_MAP_KIND (desc_node, GOMP_MAP_RELEASE); - node2 = desc_node; - } - else if (ptr_kind == GOMP_MAP_ALWAYS_POINTER) - { - OMP_CLAUSE_SET_MAP_KIND (desc_node, GOMP_MAP_TO); - node2 = node; - node = desc_node; /* Needs to come first. */ + gomp_map_kind map_kind + = (op == EXEC_OMP_TARGET_EXIT_DATA) ? GOMP_MAP_RELEASE + : OMP_CLAUSE_MAP_KIND (node); + OMP_CLAUSE_SET_MAP_KIND (node2, map_kind); + OMP_CLAUSE_RELEASE_DESCRIPTOR (node2) = 1; } else - { - OMP_CLAUSE_SET_MAP_KIND (desc_node, GOMP_MAP_TO_PSET); - node2 = desc_node; - } - if (op == EXEC_OMP_TARGET_EXIT_DATA) - return; + OMP_CLAUSE_SET_MAP_KIND (node2, GOMP_MAP_TO_PSET); node3 = build_omp_clause (input_location, OMP_CLAUSE_MAP); OMP_CLAUSE_SET_MAP_KIND (node3, ptr_kind); OMP_CLAUSE_DECL (node3) = gfc_conv_descriptor_data_get (decl); @@ -2624,6 +2612,73 @@ handle_iterator (gfc_namespace *ns, stmtblock_t *iter_block, tree block) return list; } +/* To alleviate quadratic behaviour in checking each entry of a + gfc_omp_namelist against every other entry, we build a hashtable indexed by + gfc_symbol pointer, which we can use in the usual case that a map + expression has a symbol as its root term. Return a namelist based on the + root symbol used by N, building a new table in SYM_ROOTED_NL using the + gfc_omp_namelist N2 (all clauses) if we haven't done so already. */ + +static gfc_omp_namelist * +get_symbol_rooted_namelist (hash_map *&sym_rooted_nl, + gfc_omp_namelist *n, + gfc_omp_namelist *n2, bool *sym_based) +{ + /* Early-out if we have a NULL clause list (e.g. for OpenACC). */ + if (!n2) + return NULL; + + gfc_symbol *use_sym = NULL; + + /* We're only interested in cases where we have an expression, e.g. a + component access. */ + if (n->expr && n->expr->expr_type == EXPR_VARIABLE && n->expr->symtree) + use_sym = n->expr->symtree->n.sym; + + *sym_based = false; + + if (!use_sym) + return n2; + + if (!sym_rooted_nl) + { + sym_rooted_nl = new hash_map (); + + for (; n2 != NULL; n2 = n2->next) + { + if (!n2->expr + || n2->expr->expr_type != EXPR_VARIABLE + || !n2->expr->symtree) + continue; + + gfc_omp_namelist *nl_copy = gfc_get_omp_namelist (); + memcpy (nl_copy, n2, sizeof *nl_copy); + nl_copy->u2.duplicate_of = n2; + nl_copy->next = NULL; + + gfc_symbol *idx_sym = n2->expr->symtree->n.sym; + + bool existed; + gfc_omp_namelist *&entry + = sym_rooted_nl->get_or_insert (idx_sym, &existed); + if (existed) + nl_copy->next = entry; + entry = nl_copy; + } + } + + gfc_omp_namelist **n2_sym = sym_rooted_nl->get (use_sym); + + if (n2_sym) + { + *sym_based = true; + return *n2_sym; + } + + return NULL; +} + static tree gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses, locus where, bool declare_simd = false, @@ -2641,6 +2696,8 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses, if (clauses == NULL) return NULL_TREE; + hash_map *sym_rooted_nl = NULL; + for (list = 0; list < OMP_LIST_NUM; list++) { gfc_omp_namelist *n = clauses->lists[list]; @@ -3650,6 +3707,54 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses, goto finalize_map_clause; } + gfc_omp_namelist *n2 + = openacc ? NULL : clauses->lists[OMP_LIST_MAP]; + + bool sym_based; + n2 = get_symbol_rooted_namelist (sym_rooted_nl, n, + n2, &sym_based); + + /* If the last reference is a pointer to a derived + type ("foo%dt_ptr"), check if any subcomponents + of the same derived type member are being mapped + elsewhere in the clause list ("foo%dt_ptr%x", + etc.). If we have such subcomponent mappings, + we only create an ALLOC node for the pointer + itself, and inhibit mapping the whole derived + type. */ + + for (; n2 != NULL; n2 = n2->next) + { + if ((!sym_based && n == n2) + || (sym_based && n == n2->u2.duplicate_of) + || !n2->expr) + continue; + + if (!gfc_omp_expr_prefix_same (n->expr, + n2->expr)) + continue; + + gfc_ref *ref1 = n->expr->ref; + gfc_ref *ref2 = n2->expr->ref; + + while (ref1->next && ref2->next) + { + ref1 = ref1->next; + ref2 = ref2->next; + } + + if (ref2->next) + { + inner = build_fold_addr_expr (inner); + OMP_CLAUSE_SET_MAP_KIND (node, + GOMP_MAP_ALLOC); + OMP_CLAUSE_DECL (node) = inner; + OMP_CLAUSE_SIZE (node) + = TYPE_SIZE_UNIT (TREE_TYPE (inner)); + goto finalize_map_clause; + } + } + tree data, size; if (lastref->u.c.component->ts.type == BT_CLASS) @@ -3705,7 +3810,6 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses, if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (inner))) { gomp_map_kind map_kind; - tree desc_node; tree type = TREE_TYPE (inner); tree ptr = gfc_conv_descriptor_data_get (inner); ptr = build_fold_indirect_ref (ptr); @@ -3750,24 +3854,93 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses, OMP_CLAUSE_SIZE (node) = fold_build2 (MULT_EXPR, gfc_array_index_type, OMP_CLAUSE_SIZE (node), elemsz); - desc_node = build_omp_clause (input_location, - OMP_CLAUSE_MAP); - if (openacc) - OMP_CLAUSE_SET_MAP_KIND (desc_node, + node2 = build_omp_clause (input_location, + OMP_CLAUSE_MAP); + if (openacc + || (map_kind != GOMP_MAP_RELEASE + && map_kind != GOMP_MAP_DELETE)) + OMP_CLAUSE_SET_MAP_KIND (node2, GOMP_MAP_TO_PSET); else - OMP_CLAUSE_SET_MAP_KIND (desc_node, map_kind); - OMP_CLAUSE_DECL (desc_node) = inner; - OMP_CLAUSE_SIZE (desc_node) = TYPE_SIZE_UNIT (type); - if (openacc) - node2 = desc_node; - else + OMP_CLAUSE_SET_MAP_KIND (node2, map_kind); + OMP_CLAUSE_DECL (node2) = inner; + OMP_CLAUSE_SIZE (node2) = TYPE_SIZE_UNIT (type); + if (!openacc) { - node2 = node; - node = desc_node; /* Put first. */ + if (n->expr->ts.type == BT_DERIVED + && n->expr->ts.u.derived->attr.alloc_comp) + { + /* Save array descriptor for use + in gfc_omp_deep_mapping{,_p,_cnt}; force + evaluate to ensure that it is + not gimplified + is a decl. */ + tree tmp = OMP_CLAUSE_SIZE (node); + tree var = gfc_create_var (TREE_TYPE (tmp), + NULL); + gfc_add_modify_loc (input_location, block, + var, tmp); + OMP_CLAUSE_SIZE (node) = var; + gfc_allocate_lang_decl (var); + GFC_DECL_SAVED_DESCRIPTOR (var) = inner; + } + + gfc_omp_namelist *n2 + = clauses->lists[OMP_LIST_MAP]; + + /* If we don't have a mapping of a smaller part + of the array -- or we can't prove that we do + statically -- set this flag. If there is a + mapping of a smaller part of the array after + all, this will turn into a no-op at + runtime. */ + OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P (node) = 1; + + bool sym_based; + n2 = get_symbol_rooted_namelist (sym_rooted_nl, + n, n2, + &sym_based); + + bool drop_mapping = false; + + for (; n2 != NULL; n2 = n2->next) + { + if ((!sym_based && n == n2) + || (sym_based && n == n2->u2.duplicate_of) + || !n2->expr) + continue; + + if (!gfc_omp_expr_prefix_same (n->expr, + n2->expr)) + continue; + + gfc_ref *ref1 = n->expr->ref; + gfc_ref *ref2 = n2->expr->ref; + + /* We know ref1 and ref2 overlap. We're + interested in whether ref2 describes a + smaller part of the array than ref1, which + we already know refers to the full + array. */ + + while (ref1->next && ref2->next) + { + ref1 = ref1->next; + ref2 = ref2->next; + } + + if (ref2->next + || (ref2->type == REF_ARRAY + && (ref2->u.ar.type == AR_ELEMENT + || (ref2->u.ar.type + == AR_SECTION)))) + { + drop_mapping = true; + break; + } + } + if (drop_mapping) + continue; } - if (op == EXEC_OMP_TARGET_EXIT_DATA) - goto finalize_map_clause; node3 = build_omp_clause (input_location, OMP_CLAUSE_MAP); OMP_CLAUSE_SET_MAP_KIND (node3, @@ -3931,6 +4104,23 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses, } } + /* Free hashmap if we built it. */ + if (sym_rooted_nl) + { + typedef hash_map::iterator hti; + for (hti it = sym_rooted_nl->begin (); it != sym_rooted_nl->end (); ++it) + { + gfc_omp_namelist *&nl = (*it).second; + while (nl) + { + gfc_omp_namelist *next = nl->next; + free (nl); + nl = next; + } + } + delete sym_rooted_nl; + } + if (clauses->if_expr) { tree if_var; @@ -4754,7 +4944,7 @@ gfc_trans_oacc_executable_directive (gfc_code *code) gfc_start_block (&block); oacc_clauses = gfc_trans_omp_clauses (&block, code->ext.omp_clauses, - code->loc, false, true); + code->loc, false, true, code->op); stmt = build1_loc (input_location, construct_code, void_type_node, oacc_clauses); gfc_add_expr_to_block (&block, stmt); diff --git a/gcc/gimplify.cc b/gcc/gimplify.cc index 14d88b520913..fad4308a0eb4 100644 --- a/gcc/gimplify.cc +++ b/gcc/gimplify.cc @@ -8878,6 +8878,25 @@ gimplify_omp_depend (tree *list_p, gimple_seq *pre_p) return 1; } +/* True if mapping node C maps, or unmaps, a (Fortran) array descriptor. */ + +static bool +omp_map_clause_descriptor_p (tree c) +{ + if (OMP_CLAUSE_CODE (c) != OMP_CLAUSE_MAP) + return false; + + if (OMP_CLAUSE_MAP_KIND (c) == GOMP_MAP_TO_PSET) + return true; + + if ((OMP_CLAUSE_MAP_KIND (c) == GOMP_MAP_RELEASE + || OMP_CLAUSE_MAP_KIND (c) == GOMP_MAP_DELETE) + && OMP_CLAUSE_RELEASE_DESCRIPTOR (c)) + return true; + + return false; +} + /* For a set of mappings describing an array section pointed to by a struct (or derived type, etc.) component, create an "alloc" or "release" node to insert into a list following a GOMP_MAP_STRUCT node. For some types of @@ -8913,9 +8932,7 @@ build_omp_struct_comp_nodes (enum tree_code code, tree grp_start, tree grp_end, if (OMP_CLAUSE_CHAIN (grp_start) != grp_end) grp_mid = OMP_CLAUSE_CHAIN (grp_start); - if (grp_mid - && OMP_CLAUSE_CODE (grp_mid) == OMP_CLAUSE_MAP - && OMP_CLAUSE_MAP_KIND (grp_mid) == GOMP_MAP_TO_PSET) + if (grp_mid && omp_map_clause_descriptor_p (grp_mid)) OMP_CLAUSE_SIZE (c2) = OMP_CLAUSE_SIZE (grp_mid); else OMP_CLAUSE_SIZE (c2) = TYPE_SIZE_UNIT (ptr_type_node); @@ -9101,7 +9118,7 @@ omp_get_attachment (omp_mapping_group *grp) return NULL_TREE; node = OMP_CLAUSE_CHAIN (node); - if (node && OMP_CLAUSE_MAP_KIND (node) == GOMP_MAP_TO_PSET) + if (node && omp_map_clause_descriptor_p (node)) { gcc_assert (node != grp->grp_end); node = OMP_CLAUSE_CHAIN (node); @@ -9196,7 +9213,7 @@ omp_group_last (tree *start_p) == GOMP_MAP_ATTACH_ZERO_LENGTH_ARRAY_SECTION) || OMP_CLAUSE_MAP_KIND (nc) == GOMP_MAP_DETACH || OMP_CLAUSE_MAP_KIND (nc) == GOMP_MAP_ALWAYS_POINTER - || OMP_CLAUSE_MAP_KIND (nc) == GOMP_MAP_TO_PSET)) + || omp_map_clause_descriptor_p (nc))) { tree nc2 = OMP_CLAUSE_CHAIN (nc); if (OMP_CLAUSE_MAP_KIND (nc) == GOMP_MAP_DETACH) @@ -9363,33 +9380,32 @@ omp_group_base (omp_mapping_group *grp, unsigned int *chained, return node; node = OMP_CLAUSE_CHAIN (node); - if (node && OMP_CLAUSE_MAP_KIND (node) == GOMP_MAP_TO_PSET) + if (!node) + internal_error ("unexpected mapping node"); + if (omp_map_clause_descriptor_p (node)) { if (node == grp->grp_end) return *grp->grp_start; node = OMP_CLAUSE_CHAIN (node); } - if (node) - switch (OMP_CLAUSE_MAP_KIND (node)) - { - case GOMP_MAP_POINTER: - case GOMP_MAP_FIRSTPRIVATE_POINTER: - case GOMP_MAP_FIRSTPRIVATE_REFERENCE: - case GOMP_MAP_POINTER_TO_ZERO_LENGTH_ARRAY_SECTION: - *firstprivate = OMP_CLAUSE_DECL (node); - return *grp->grp_start; + switch (OMP_CLAUSE_MAP_KIND (node)) + { + case GOMP_MAP_POINTER: + case GOMP_MAP_FIRSTPRIVATE_POINTER: + case GOMP_MAP_FIRSTPRIVATE_REFERENCE: + case GOMP_MAP_POINTER_TO_ZERO_LENGTH_ARRAY_SECTION: + *firstprivate = OMP_CLAUSE_DECL (node); + return *grp->grp_start; - case GOMP_MAP_ALWAYS_POINTER: - case GOMP_MAP_ATTACH_DETACH: - case GOMP_MAP_ATTACH_ZERO_LENGTH_ARRAY_SECTION: - case GOMP_MAP_DETACH: - return *grp->grp_start; + case GOMP_MAP_ALWAYS_POINTER: + case GOMP_MAP_ATTACH_DETACH: + case GOMP_MAP_ATTACH_ZERO_LENGTH_ARRAY_SECTION: + case GOMP_MAP_DETACH: + return *grp->grp_start; - default: - internal_error ("unexpected mapping node"); - } - else - internal_error ("unexpected mapping node"); + default: + internal_error ("unexpected mapping node"); + } return error_mark_node; case GOMP_MAP_TO_PSET: @@ -9737,18 +9753,45 @@ omp_tsort_mapping_groups_1 (omp_mapping_group ***outlist, static omp_mapping_group * omp_tsort_mapping_groups (vec *groups, hash_map - *grpmap) + *grpmap, + bool enter_exit_data) { omp_mapping_group *grp, *outlist = NULL, **cursor; unsigned int i; + bool saw_runtime_implicit = false; cursor = &outlist; FOR_EACH_VEC_ELT (*groups, i, grp) { if (grp->mark != PERMANENT) - if (!omp_tsort_mapping_groups_1 (&cursor, groups, grpmap, grp)) - return NULL; + { + if (OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P (*grp->grp_start)) + { + saw_runtime_implicit = true; + continue; + } + if (!omp_tsort_mapping_groups_1 (&cursor, groups, grpmap, grp)) + return NULL; + } + } + + if (!saw_runtime_implicit) + return outlist; + + FOR_EACH_VEC_ELT (*groups, i, grp) + { + if (grp->mark != PERMANENT + && OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P (*grp->grp_start)) + { + /* Clear the flag for enter/exit data because it is currently + meaningless for those operations in libgomp. */ + if (enter_exit_data) + OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P (*grp->grp_start) = 0; + + if (!omp_tsort_mapping_groups_1 (&cursor, groups, grpmap, grp)) + return NULL; + } } return outlist; @@ -10151,6 +10194,11 @@ omp_check_mapping_compatibility (location_t loc, mapping. However, if we have a reference to pointer, make other appropriate adjustments to the mapping nodes instead. + If we have an ATTACH_DETACH node with a Fortran pointer-set (array + descriptor) mapping for a derived-type component, and we're also mapping the + whole of the derived-type variable on another clause, the pointer-set + mapping is removed. + If we have a component access but we're also mapping the whole of the containing struct, drop the former access. @@ -10330,6 +10378,17 @@ omp_resolve_clause_dependencies (enum tree_code code, GOMP_MAP_ATTACH_ZLAS for it. */ if (!base_mapped_to && referenced_ptr_node) OMP_CLAUSE_SET_MAP_KIND (referenced_ptr_node, zlas_kind); + + omp_mapping_group *struct_group; + tree desc; + if ((desc = OMP_CLAUSE_CHAIN (*grp->grp_start)) + && omp_map_clause_descriptor_p (desc) + && omp_mapped_by_containing_struct (grpmap, decl, + &struct_group)) + /* If we have a pointer set but we're mapping (or unmapping) + the whole of the containing struct, we can remove the + pointer set mapping. */ + OMP_CLAUSE_CHAIN (*grp->grp_start) = OMP_CLAUSE_CHAIN (desc); } else if (TREE_CODE (TREE_TYPE (base_ptr)) == REFERENCE_TYPE && (TREE_CODE (TREE_TYPE (TREE_TYPE (base_ptr))) @@ -10777,11 +10836,17 @@ omp_accumulate_sibling_list (enum omp_region_type region_type, for the purposes of gathering sibling lists, etc. */ /* gcc_assert (base == addr_tokens[base_token]->expr); */ - bool ptr = (OMP_CLAUSE_MAP_KIND (grp_end) == GOMP_MAP_ALWAYS_POINTER); bool attach_detach = ((OMP_CLAUSE_MAP_KIND (grp_end) == GOMP_MAP_ATTACH_DETACH) || (OMP_CLAUSE_MAP_KIND (grp_end) == GOMP_MAP_ATTACH_ZERO_LENGTH_ARRAY_SECTION)); + bool has_descriptor = false; + if (OMP_CLAUSE_CHAIN (*grp_start_p) != grp_end) + { + tree grp_mid = OMP_CLAUSE_CHAIN (*grp_start_p); + if (grp_mid && omp_map_clause_descriptor_p (grp_mid)) + has_descriptor = true; + } if (!struct_map_to_clause || struct_map_to_clause->get (base) == NULL) { @@ -10804,7 +10869,18 @@ omp_accumulate_sibling_list (enum omp_region_type region_type, GOMP_MAP_STRUCT into the middle of the old one. */ tree *insert_node_pos = reprocessing_struct ? *added_tail : grp_start_p; - if (ptr || attach_detach) + if (has_descriptor) + { + tree desc = OMP_CLAUSE_CHAIN (*grp_start_p); + if (code == OMP_TARGET_EXIT_DATA || code == OACC_EXIT_DATA) + OMP_CLAUSE_SET_MAP_KIND (desc, GOMP_MAP_RELEASE); + tree sc = *insert_node_pos; + OMP_CLAUSE_CHAIN (l) = desc; + OMP_CLAUSE_CHAIN (*grp_start_p) = OMP_CLAUSE_CHAIN (desc); + OMP_CLAUSE_CHAIN (desc) = sc; + *insert_node_pos = l; + } + else if (attach_detach) { tree extra_node; tree alloc_node @@ -11035,7 +11111,7 @@ omp_accumulate_sibling_list (enum omp_region_type region_type, || OMP_CLAUSE_MAP_KIND (*sc) == GOMP_MAP_ATTACH_DETACH) sc = &OMP_CLAUSE_CHAIN (*sc); for (i = 0; i < elems; i++, sc = &OMP_CLAUSE_CHAIN (*sc)) - if ((ptr || attach_detach) && sc == grp_start_p) + if (attach_detach && sc == grp_start_p) break; else if (TREE_CODE (OMP_CLAUSE_DECL (*sc)) != COMPONENT_REF && TREE_CODE (OMP_CLAUSE_DECL (*sc)) != INDIRECT_REF @@ -11091,7 +11167,7 @@ omp_accumulate_sibling_list (enum omp_region_type region_type, || (known_eq (coffset, offset) && maybe_lt (cbitpos, bitpos))) { - if (ptr || attach_detach) + if (attach_detach) scp = sc; else break; @@ -11107,7 +11183,9 @@ omp_accumulate_sibling_list (enum omp_region_type region_type, the list manipulation below. We only need to handle the (pointer or reference) attach/detach case. */ tree extra_node, alloc_node; - if (attach_detach) + if (has_descriptor) + gcc_unreachable (); + else if (attach_detach) alloc_node = build_omp_struct_comp_nodes (code, *grp_start_p, grp_end, &extra_node); else @@ -11140,7 +11218,17 @@ omp_accumulate_sibling_list (enum omp_region_type region_type, return NULL; } - if (ptr || attach_detach) + if (has_descriptor) + { + tree desc = OMP_CLAUSE_CHAIN (*grp_start_p); + if (code == OMP_TARGET_EXIT_DATA + || code == OACC_EXIT_DATA) + OMP_CLAUSE_SET_MAP_KIND (desc, GOMP_MAP_RELEASE); + omp_siblist_move_node_after (desc, + &OMP_CLAUSE_CHAIN (*grp_start_p), + scp ? scp : sc); + } + else if (attach_detach) { tree cl = NULL_TREE, extra_node; tree alloc_node = build_omp_struct_comp_nodes (code, *grp_start_p, @@ -11285,8 +11373,7 @@ omp_build_struct_sibling_lists (enum tree_code code, as a struct (the GOMP_MAP_POINTER following will have the form "var.data", but such mappings are handled specially). */ tree grpmid = OMP_CLAUSE_CHAIN (*grp_start_p); - if (OMP_CLAUSE_CODE (grpmid) == OMP_CLAUSE_MAP - && OMP_CLAUSE_MAP_KIND (grpmid) == GOMP_MAP_TO_PSET + if (omp_map_clause_descriptor_p (grpmid) && DECL_P (OMP_CLAUSE_DECL (grpmid))) continue; } @@ -11562,6 +11649,8 @@ gimplify_scan_omp_clauses (tree *list_p, gimple_seq *pre_p, list_p); omp_mapping_group *outlist = NULL; + bool enter_exit = (code == OMP_TARGET_ENTER_DATA + || code == OMP_TARGET_EXIT_DATA); /* Topological sorting may fail if we have duplicate nodes, which we should have detected and shown an error for already. Skip @@ -11576,7 +11665,7 @@ gimplify_scan_omp_clauses (tree *list_p, gimple_seq *pre_p, groups = omp_gather_mapping_groups (list_p); grpmap = omp_index_mapping_groups (groups); - outlist = omp_tsort_mapping_groups (groups, grpmap); + outlist = omp_tsort_mapping_groups (groups, grpmap, enter_exit); outlist = omp_segregate_mapping_groups (outlist); list_p = omp_reorder_mapping_groups (groups, outlist, list_p); diff --git a/gcc/testsuite/gfortran.dg/gomp/map-9.f90 b/gcc/testsuite/gfortran.dg/gomp/map-9.f90 index f930a49d9fff..8c8d4f7c57c4 100644 --- a/gcc/testsuite/gfortran.dg/gomp/map-9.f90 +++ b/gcc/testsuite/gfortran.dg/gomp/map-9.f90 @@ -2,7 +2,7 @@ ! PR fortran/108545 -! { dg-final { scan-tree-dump "#pragma omp target enter data map\\(struct:x \\\[len: 1\\\]\\) map\\(always,to:x\.a \\\[len: \[0-9\]+\\\]\\) map\\(to:MEM \\\[\\(integer\\(kind=4\\)\\\[0:\\\] \\*\\)_\[0-9\]+] \\\[len: _\[0-9\]+\\\]\\) map\\(attach:x\.a\.data \\\[bias: 0\\\]\\)" "omplower" } } +! { dg-final { scan-tree-dump "#pragma omp target enter data map\\(struct:x \\\[len: 1\\\]\\) map\\(to:x\.a \\\[pointer set, len: \[0-9\]+\\\]\\) map\\(to:MEM \\\[\\(integer\\(kind=4\\)\\\[0:\\\] \\*\\)_\[0-9\]+] \\\[len: _\[0-9\]+\\\]\\) map\\(attach:x\.a\.data \\\[bias: 0\\\]\\)" "omplower" } } program p type t diff --git a/gcc/testsuite/gfortran.dg/gomp/map-subarray-2.f90 b/gcc/testsuite/gfortran.dg/gomp/map-subarray-2.f90 new file mode 100644 index 000000000000..5aaaf53e6971 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/gomp/map-subarray-2.f90 @@ -0,0 +1,57 @@ +! { dg-do compile } +! { dg-additional-options "-fdump-tree-gimple" } + +type T +integer, pointer :: arr1(:) +integer, pointer :: arr2(:) +integer, pointer :: arr3(:) +integer, pointer :: arr4(:) +end type T + +type(T) :: tv +integer, allocatable, target, dimension(:) :: arr + +allocate(arr(1:20)) + +tv%arr1 => arr +tv%arr2 => arr +tv%arr3 => arr +tv%arr4 => arr + +!$omp target enter data map(to: tv%arr1) + +! { dg-final { scan-tree-dump {(?n)#pragma omp target enter data map\(struct:tv \[len: 1\]\) map\(to:tv\.arr1 \[pointer set, len: [0-9]+\]\) map\(to:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\) map\(attach:tv\.arr1\.data \[bias: 0\]\)} "gimple" } } + +!$omp target exit data map(from: tv%arr1) + +! { dg-final { scan-tree-dump {(?n)#pragma omp target exit data map\(from:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\) map\(release:tv\.arr1 \[len: [0-9]+\]\) map\(detach:tv\.arr1\.data \[bias: 0\]\)} "gimple" } } + + +!$omp target enter data map(to: tv%arr2) map(to: tv%arr2(1:10)) + +! { dg-final { scan-tree-dump {(?n)#pragma omp target enter data map\(struct:tv \[len: 1\]\) map\(to:tv\.arr2 \[pointer set, len: [0-9]+\]\) map\(to:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\) map\(attach:tv\.arr2\.data \[bias: [^\]]+\]\)} "gimple" } } + +!$omp target exit data map(from: tv%arr2) map(from: tv%arr2(1:10)) + +! { dg-final { scan-tree-dump {(?n)#pragma omp target exit data map\(release:tv\.arr2 \[len: [0-9]+\]\) map\(from:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\) map\(detach:tv\.arr2\.data \[bias: [^\]]+\]\)} "gimple" } } + + +!$omp target enter data map(to: tv, tv%arr3(1:10)) + +! { dg-final { scan-tree-dump {(?n)#pragma omp target enter data map\(to:tv \[len: [0-9]+\]\) map\(to:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\) map\(attach:tv\.arr3\.data \[bias: [^\]]+\]\)} "gimple" } } + +!$omp target exit data map(from: tv, tv%arr3(1:10)) + +! { dg-final { scan-tree-dump {(?n)#pragma omp target exit data map\(from:tv \[len: [0-9]+\]\) map\(from:MEM \[\(integer\(kind=4\)\[0:\] \*\)[_[0-9]+\] \[len: _[0-9]+\]\) map\(detach:tv\.arr3\.data \[bias: [^\]]+\]\)} "gimple" } } + + +!$omp target enter data map(to: tv%arr4(1:10)) + +! { dg-final { scan-tree-dump {(?n)#pragma omp target enter data map\(struct:tv \[len: 1\]\) map\(to:tv\.arr4 \[pointer set, len: [0-9]+\]\) map\(to:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\) map\(attach:tv\.arr4\.data \[bias: [^\]]+\]\)} "gimple" } } + +!$omp target exit data map(from: tv%arr4(1:10)) + +! { dg-final { scan-tree-dump {(?n)#pragma omp target exit data map\(release:tv\.arr4 \[len: [0-9]+\]\) map\(from:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\) map\(detach:tv\.arr4\.data \[bias: [^\]]+\]\)} "gimple" } } + +end + diff --git a/gcc/testsuite/gfortran.dg/gomp/map-subarray.f90 b/gcc/testsuite/gfortran.dg/gomp/map-subarray.f90 new file mode 100644 index 000000000000..197888a43365 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/gomp/map-subarray.f90 @@ -0,0 +1,40 @@ +! { dg-do compile } +! { dg-additional-options "-fdump-tree-gimple" } + +type T +integer, pointer :: arr1(:) +integer, pointer :: arr2(:) +end type T + +type(T) :: tv +integer, allocatable, target, dimension(:) :: arr + +allocate(arr(1:20)) + +tv%arr1 => arr +tv%arr2 => arr + +!$omp target map(tv%arr1) +tv%arr1(1) = tv%arr1(1) + 1 +!$omp end target + +! { dg-final { scan-tree-dump {(?n)#pragma omp target.* map\(struct:tv \[len: 1\]\) map\(to:tv\.arr1 \[pointer set, len: [0-9]+\]\) map\(tofrom:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\[implicit\]\) map\(attach:tv\.arr1\.data \[bias: 0\]\)} "gimple" } } + +!$omp target map(tv%arr2) map(tv%arr2(1:10)) +tv%arr2(1) = tv%arr2(1) + 1 +!$omp end target + +!$omp target map(tv%arr2(1:10)) +tv%arr2(1) = tv%arr2(1) + 1 +!$omp end target + +! { dg-final { scan-tree-dump-times {(?n)#pragma omp target.* map\(struct:tv \[len: 1\]\) map\(to:tv\.arr2 \[pointer set, len: [0-9]+\]\) map\(tofrom:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\) map\(attach:tv\.arr2\.data \[bias: [^\]]+\]\)} 2 "gimple" } } + +!$omp target map(tv, tv%arr2(1:10)) +tv%arr2(1) = tv%arr2(1) + 1 +!$omp end target + +! { dg-final { scan-tree-dump {(?n)#pragma omp target.* map\(tofrom:tv \[len: [0-9]+\]\) map\(tofrom:MEM \[\(integer\(kind=4\)\[0:\] \*\)_[0-9]+\] \[len: _[0-9]+\]\) map\(attach:tv\.arr2\.data \[bias: [^\]]+\]\)} "gimple" } } + +end + diff --git a/gcc/tree.h b/gcc/tree.h index c4f7d56bf32e..088e39da532a 100644 --- a/gcc/tree.h +++ b/gcc/tree.h @@ -1809,6 +1809,10 @@ class auto_suppress_location_wrappers same directive. */ #define OMP_CLAUSE_ATTACHMENT_MAPPING_ERASED(NODE) \ TREE_STATIC (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)) +/* Nonzero if this is a release/delete node which refers to a (Fortran) array + descriptor. */ +#define OMP_CLAUSE_RELEASE_DESCRIPTOR(NODE) \ + TREE_NOTHROW (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)) /* Flag that 'OMP_CLAUSE_DECL (NODE)' is to be made addressable during OMP lowering. */ diff --git a/libgomp/testsuite/libgomp.fortran/map-subarray-2.f90 b/libgomp/testsuite/libgomp.fortran/map-subarray-2.f90 new file mode 100644 index 000000000000..02f08c52a8c3 --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/map-subarray-2.f90 @@ -0,0 +1,108 @@ +! { dg-do run } + +program myprog +type u + integer, dimension (:), pointer :: tarr1 + integer, dimension (:), pointer :: tarr2 + integer, dimension (:), pointer :: tarr3 +end type u + +type(u) :: myu1, myu2, myu3 + +integer, dimension (12), target :: myarray1 +integer, dimension (12), target :: myarray2 +integer, dimension (12), target :: myarray3 +integer, dimension (12), target :: myarray4 +integer, dimension (12), target :: myarray5 +integer, dimension (12), target :: myarray6 +integer, dimension (12), target :: myarray7 +integer, dimension (12), target :: myarray8 +integer, dimension (12), target :: myarray9 + +myu1%tarr1 => myarray1 +myu1%tarr2 => myarray2 +myu1%tarr3 => myarray3 +myu2%tarr1 => myarray4 +myu2%tarr2 => myarray5 +myu2%tarr3 => myarray6 +myu3%tarr1 => myarray7 +myu3%tarr2 => myarray8 +myu3%tarr3 => myarray9 + +myu1%tarr1 = 0 +myu1%tarr2 = 0 +myu1%tarr3 = 0 +myu2%tarr1 = 0 +myu2%tarr2 = 0 +myu2%tarr3 = 0 +myu3%tarr1 = 0 +myu3%tarr2 = 0 +myu3%tarr3 = 0 + +!$omp target map(to:myu1%tarr1) map(tofrom:myu1%tarr1(:)) & +!$omp& map(to:myu1%tarr2) map(tofrom:myu1%tarr2(:)) & +!$omp& map(to:myu1%tarr3) map(tofrom:myu1%tarr3(:)) & +!$omp& map(to:myu2%tarr1) map(tofrom:myu2%tarr1(:)) & +!$omp& map(to:myu2%tarr2) map(tofrom:myu2%tarr2(:)) & +!$omp& map(to:myu2%tarr3) map(tofrom:myu2%tarr3(:)) & +!$omp& map(to:myu3%tarr1) map(tofrom:myu3%tarr1(:)) & +!$omp& map(to:myu3%tarr2) map(tofrom:myu3%tarr2(:)) & +!$omp& map(to:myu3%tarr3) map(tofrom:myu3%tarr3(:)) +myu1%tarr1(1) = myu1%tarr1(1) + 1 +myu2%tarr1(1) = myu2%tarr1(1) + 1 +myu3%tarr1(1) = myu3%tarr1(1) + 1 +!$omp end target + +!$omp target map(to:myu1%tarr1) map(tofrom:myu1%tarr1(1:2)) & +!$omp& map(to:myu1%tarr2) map(tofrom:myu1%tarr2(1:2)) & +!$omp& map(to:myu1%tarr3) map(tofrom:myu1%tarr3(1:2)) & +!$omp& map(to:myu2%tarr1) map(tofrom:myu2%tarr1(1:2)) & +!$omp& map(to:myu2%tarr2) map(tofrom:myu2%tarr2(1:2)) & +!$omp& map(to:myu2%tarr3) map(tofrom:myu2%tarr3(1:2)) & +!$omp& map(to:myu3%tarr1) map(tofrom:myu3%tarr1(1:2)) & +!$omp& map(to:myu3%tarr2) map(tofrom:myu3%tarr2(1:2)) & +!$omp& map(to:myu3%tarr3) map(tofrom:myu3%tarr3(1:2)) +myu1%tarr2(1) = myu1%tarr2(1) + 1 +myu2%tarr2(1) = myu2%tarr2(1) + 1 +myu3%tarr2(1) = myu3%tarr2(1) + 1 +!$omp end target + +!$omp target map(to:myu1%tarr1) map(tofrom:myu1%tarr1(1)) & +!$omp& map(to:myu1%tarr2) map(tofrom:myu1%tarr2(1)) & +!$omp& map(to:myu1%tarr3) map(tofrom:myu1%tarr3(1)) & +!$omp& map(to:myu2%tarr1) map(tofrom:myu2%tarr1(1)) & +!$omp& map(to:myu2%tarr2) map(tofrom:myu2%tarr2(1)) & +!$omp& map(to:myu2%tarr3) map(tofrom:myu2%tarr3(1)) & +!$omp& map(to:myu3%tarr1) map(tofrom:myu3%tarr1(1)) & +!$omp& map(to:myu3%tarr2) map(tofrom:myu3%tarr2(1)) & +!$omp& map(to:myu3%tarr3) map(tofrom:myu3%tarr3(1)) +myu1%tarr3(1) = myu1%tarr3(1) + 1 +myu2%tarr3(1) = myu2%tarr3(1) + 1 +myu3%tarr3(1) = myu3%tarr3(1) + 1 +!$omp end target + +!$omp target map(tofrom:myu1%tarr1) & +!$omp& map(tofrom:myu1%tarr2) & +!$omp& map(tofrom:myu1%tarr3) & +!$omp& map(tofrom:myu2%tarr1) & +!$omp& map(tofrom:myu2%tarr2) & +!$omp& map(tofrom:myu2%tarr3) & +!$omp& map(tofrom:myu3%tarr1) & +!$omp& map(tofrom:myu3%tarr2) & +!$omp& map(tofrom:myu3%tarr3) +myu1%tarr2(1) = myu1%tarr2(1) + 1 +myu2%tarr2(1) = myu2%tarr2(1) + 1 +myu3%tarr2(1) = myu3%tarr2(1) + 1 +!$omp end target + +if (myu1%tarr1(1).ne.1) stop 1 +if (myu2%tarr1(1).ne.1) stop 2 +if (myu3%tarr1(1).ne.1) stop 3 +if (myu1%tarr2(1).ne.2) stop 4 +if (myu2%tarr2(1).ne.2) stop 5 +if (myu3%tarr2(1).ne.2) stop 6 +if (myu1%tarr3(1).ne.1) stop 7 +if (myu2%tarr3(1).ne.1) stop 8 +if (myu3%tarr3(1).ne.1) stop 9 + +end program myprog diff --git a/libgomp/testsuite/libgomp.fortran/map-subarray-3.f90 b/libgomp/testsuite/libgomp.fortran/map-subarray-3.f90 new file mode 100644 index 000000000000..318e77ea44ff --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/map-subarray-3.f90 @@ -0,0 +1,62 @@ +! { dg-do run } + +module mymod +type G +integer :: x, y +integer, pointer :: arr(:) +integer :: z +end type G +end module mymod + +program myprog +use mymod + +integer, target :: arr1(10) +integer, target :: arr2(10) +integer, target :: arr3(10) +type(G), dimension(3) :: gvar + +integer :: i, j + +gvar(1)%arr => arr1 +gvar(2)%arr => arr2 +gvar(3)%arr => arr3 + +gvar(1)%arr = 0 +gvar(2)%arr = 0 +gvar(3)%arr = 0 + +i = 1 +j = 1 + +! Here 'gvar(i)' and 'gvar(j)' are the same element, so this should work. +! This generates a whole-array mapping for gvar(i)%arr, but with the +! "runtime implicit" bit set so the smaller subarray gvar(j)%arr(1:5) takes +! precedence. + +!$omp target map(gvar(i)%arr, gvar(j)%arr(1:5)) +gvar(i)%arr(1) = gvar(i)%arr(1) + 1 +gvar(j)%arr(1) = gvar(j)%arr(1) + 2 +!$omp end target + +!$omp target map(gvar(i)%arr(1:5), gvar(j)%arr) +gvar(i)%arr(1) = gvar(i)%arr(1) + 3 +gvar(j)%arr(1) = gvar(j)%arr(1) + 4 +!$omp end target + +! For these ones, we know the array index is the same, so we can just +! drop the whole-array mapping. + +!$omp target map(gvar(i)%arr, gvar(i)%arr(1:5)) +gvar(i)%arr(1) = gvar(i)%arr(1) + 1 +gvar(i)%arr(1) = gvar(j)%arr(1) + 2 +!$omp end target + +!$omp target map(gvar(i)%arr(1:5), gvar(i)%arr) +gvar(i)%arr(1) = gvar(i)%arr(1) + 3 +gvar(i)%arr(1) = gvar(j)%arr(1) + 4 +!$omp end target + +if (gvar(1)%arr(1).ne.20) stop 1 + +end program myprog diff --git a/libgomp/testsuite/libgomp.fortran/map-subarray-4.f90 b/libgomp/testsuite/libgomp.fortran/map-subarray-4.f90 new file mode 100644 index 000000000000..5d15808f0da7 --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/map-subarray-4.f90 @@ -0,0 +1,35 @@ +! { dg-do run } + +type t + integer, pointer :: p(:) +end type t + +type(t) :: var(2) + +allocate (var(1)%p, source=[1,2,3,5]) +allocate (var(2)%p, source=[2,3,5]) + +!$omp target map(var(1)%p, var(2)%p) +var(1)%p(1) = 5 +var(2)%p(2) = 7 +!$omp end target + +!$omp target map(var(1)%p(1:3), var(1)%p, var(2)%p) +var(1)%p(1) = var(1)%p(1) + 1 +var(2)%p(2) = var(2)%p(2) + 1 +!$omp end target + +!$omp target map(var(1)%p, var(2)%p, var(2)%p(1:3)) +var(1)%p(1) = var(1)%p(1) + 1 +var(2)%p(2) = var(2)%p(2) + 1 +!$omp end target + +!$omp target map(var(1)%p, var(1)%p(1:3), var(2)%p, var(2)%p(2)) +var(1)%p(1) = var(1)%p(1) + 1 +var(2)%p(2) = var(2)%p(2) + 1 +!$omp end target + +if (var(1)%p(1).ne.8) stop 1 +if (var(2)%p(2).ne.10) stop 2 + +end diff --git a/libgomp/testsuite/libgomp.fortran/map-subarray-6.f90 b/libgomp/testsuite/libgomp.fortran/map-subarray-6.f90 new file mode 100644 index 000000000000..9f0edf70890e --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/map-subarray-6.f90 @@ -0,0 +1,26 @@ +! { dg-do run } + +type t + integer, pointer :: p(:) + integer, pointer :: p2(:) +end type t + +type(t) :: var +integer, target :: tgt(5), tgt2(1000) +var%p => tgt +var%p2 => tgt2 + +p = 0 +p2 = 0 + +!$omp target map(tgt, tgt2(4:6), var) + var%p(1) = 5 + var%p2(5) = 7 +!$omp end target + +if (var%p(1).ne.5) stop 1 +if (var%p2(5).ne.7) stop 2 + +end + +! { dg-shouldfail "" { offload_device_nonshared_as } } diff --git a/libgomp/testsuite/libgomp.fortran/map-subarray-7.f90 b/libgomp/testsuite/libgomp.fortran/map-subarray-7.f90 new file mode 100644 index 000000000000..42da72961069 --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/map-subarray-7.f90 @@ -0,0 +1,29 @@ +type t +integer, pointer :: p2(:) +end type t + +integer, target :: A(5) +integer, pointer :: p(:), p2(:) +type(t) :: var + +allocate(p2(1:20)) +p => A +var%p2 => p2 + +A = 0 +p2 = 0 + +! These arrays "share original storage", so are unsupported. This will +! (correctly) fail with a non-shared address space. + +!$omp target map(A(3:4), p2(4:8), p, var%p2) +A(3) = A(3) + 1 +p2(4) = p2(4) + 2 +!$omp end target + +if (A(3).ne.1) stop 1 +if (p2(4).ne.2) stop 2 + +end program + +! { dg-shouldfail "" { offload_device_nonshared_as } } diff --git a/libgomp/testsuite/libgomp.fortran/map-subarray-8.f90 b/libgomp/testsuite/libgomp.fortran/map-subarray-8.f90 new file mode 100644 index 000000000000..a47360e10ec3 --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/map-subarray-8.f90 @@ -0,0 +1,47 @@ +! { dg-do run } + +type F +integer, pointer :: mem(:) +end type F + +type(F) :: fv +integer, allocatable, target :: arr(:) + +allocate(arr(1:20)) + +fv%mem => arr +fv%mem = 0 + +!$omp target enter data map(to: fv%mem(1:10)) +!$omp target map(alloc: fv%mem) +fv%mem(1) = fv%mem(1) + 1 +!$omp end target +!$omp target exit data map(from: fv%mem(1:10)) + +if (fv%mem(1).ne.1) stop 1 + +!$omp target enter data map(to: fv, fv%mem(1:10)) +!$omp target +fv%mem(1) = fv%mem(1) + 1 +!$omp end target +!$omp target exit data map(from: fv, fv%mem(1:10)) + +if (fv%mem(1).ne.2) stop 2 + +!$omp target enter data map(to: fv%mem, fv%mem(1:10)) +!$omp target +fv%mem(1) = fv%mem(1) + 1 +!$omp end target +!$omp target exit data map(from: fv%mem, fv%mem(1:10)) + +if (fv%mem(1).ne.3) stop 3 + +!$omp target enter data map(to: fv%mem) +!$omp target +fv%mem(1) = fv%mem(1) + 1 +!$omp end target +!$omp target exit data map(from: fv%mem) + +if (fv%mem(1).ne.4) stop 4 + +end diff --git a/libgomp/testsuite/libgomp.fortran/map-subarray.f90 b/libgomp/testsuite/libgomp.fortran/map-subarray.f90 new file mode 100644 index 000000000000..85f5af3a2a6c --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/map-subarray.f90 @@ -0,0 +1,33 @@ +! { dg-do run } + +program myprog +type u + integer, dimension (:), pointer :: tarr +end type u + +type(u) :: myu +integer, dimension (12), target :: myarray + +myu%tarr => myarray + +myu%tarr = 0 + +!$omp target map(to:myu%tarr) map(tofrom:myu%tarr(:)) +myu%tarr(1) = myu%tarr(1) + 1 +!$omp end target + +!$omp target map(to:myu%tarr) map(tofrom:myu%tarr(1:2)) +myu%tarr(1) = myu%tarr(1) + 1 +!$omp end target + +!$omp target map(to:myu%tarr) map(tofrom:myu%tarr(1)) +myu%tarr(1) = myu%tarr(1) + 1 +!$omp end target + +!$omp target map(tofrom:myu%tarr) +myu%tarr(1) = myu%tarr(1) + 1 +!$omp end target + +if (myu%tarr(1).ne.4) stop 1 + +end program myprog diff --git a/libgomp/testsuite/libgomp.fortran/map-subcomponents.f90 b/libgomp/testsuite/libgomp.fortran/map-subcomponents.f90 new file mode 100644 index 000000000000..c7f90131cbae --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/map-subcomponents.f90 @@ -0,0 +1,32 @@ +! { dg-do run } + +module mymod +type F +integer :: a, b, c +integer, dimension(10) :: d +end type F + +type G +integer :: x, y +type(F), pointer :: myf +integer :: z +end type G +end module mymod + +program myprog +use mymod + +type(F), target :: ftmp +type(G) :: gvar + +gvar%myf => ftmp + +gvar%myf%d = 0 + +!$omp target map(to:gvar%myf) map(tofrom: gvar%myf%b, gvar%myf%d) +gvar%myf%d(1) = gvar%myf%d(1) + 1 +!$omp end target + +if (gvar%myf%d(1).ne.1) stop 1 + +end program myprog diff --git a/libgomp/testsuite/libgomp.fortran/struct-elem-map-1.f90 b/libgomp/testsuite/libgomp.fortran/struct-elem-map-1.f90 index 7f3d8174f97b..b1d696656c0f 100644 --- a/libgomp/testsuite/libgomp.fortran/struct-elem-map-1.f90 +++ b/libgomp/testsuite/libgomp.fortran/struct-elem-map-1.f90 @@ -36,6 +36,10 @@ program main call six () call seven () call eight () + call nine () + call ten () + call eleven () + call twelve () contains ! Implicitly mapped – but no pointers are mapped @@ -408,7 +412,180 @@ contains !$omp end target end subroutine eight -end program main + ! This is "subroutine four" but with explicit base-pointer mappings + ! (var%f, etc.). + subroutine nine() + type(t2) :: var -! Fixed by the "Fortran pointers and member mappings" patch -! { dg-xfail-run-if TODO { offload_device_nonshared_as } } + print '(g0)', '==== TESTCASE "nine" ====' + + var = t2(a = 1, & + b = 2, c = cmplx(-1.0_8, 2.0_8,kind=8), & + d = [(-3*i, i = 1, 10)], & + str1 = "abcde", & + str2 = ["12345", "67890", "ABCDE", "FGHIJ"], & + uni1 = 4_"abcde", & + uni2 = [4_"12345", 4_"67890", 4_"ABCDE", 4_"FGHIJ"]) + allocate (var%f, source=[22, 33, 44, 55]) + allocate (var%str4, source=["Let's", "Go!!!"]) + allocate (var%uni4, source=[4_"Let's", 4_"Go!!!"]) + +! !$omp target map(tofrom: var%d(4:7), var%f(2:3), var%str2(2:3)) & +! !$omp& map(tofrom: var%str4(2:2), var%uni2(2:3), var%uni4(2:2)) + !$omp target map(to: var%f) map(tofrom: var%d(4:7), var%f(2:3), & + !$omp& var%str2(2:3), var%uni2(2:3)) + if (any (var%d(4:7) /= [(-3*i, i = 4, 7)])) stop 4 + if (any (var%str2(2:3) /= ["67890", "ABCDE"])) stop 6 + + if (.not. associated (var%f)) stop 9 + if (size (var%f) /= 4) stop 10 + if (any (var%f(2:3) /= [33, 44])) stop 11 +! if (.not. associated (var%str4)) stop 15 +! if (len (var%str4) /= 5) stop 16 +! if (size (var%str4) /= 2) stop 17 +! if (var%str4(2) /= "Go!!!") stop 18 + + if (any (var%uni2(2:3) /= [4_"67890", 4_"ABCDE"])) stop 19 +! if (.not. associated (var%uni4)) stop 20 +! if (len (var%uni4) /= 5) stop 21 +! if (size (var%uni4) /= 2) stop 22 +! if (var%uni4(2) /= "Go!!!") stop 23 + !$omp end target + + deallocate(var%f, var%str4) + end subroutine nine + + ! This is "subroutine five" but with explicit base-pointer mappings. + subroutine ten() + type(t2) :: var + + print '(g0)', '==== TESTCASE "ten" ====' + + var = t2(a = 1, & + b = 2, c = cmplx(-1.0_8, 2.0_8,kind=8), & + d = [(-3*i, i = 1, 10)], & + str1 = "abcde", & + str2 = ["12345", "67890", "ABCDE", "FGHIJ"], & + uni1 = 4_"abcde", & + uni2 = [4_"12345", 4_"67890", 4_"ABCDE", 4_"FGHIJ"]) + allocate (var%f, source=[22, 33, 44, 55]) + allocate (var%str4, source=["Let's", "Go!!!"]) + + !$omp target map(tofrom: var%d(4:7)) + if (any (var%d(4:7) /= [(-3*i, i = 4, 7)])) stop 4 + !$omp end target + !$omp target map(tofrom: var%str2(2:3)) + if (any (var%str2(2:3) /= ["67890", "ABCDE"])) stop 6 + !$omp end target + + !$omp target map(to: var%f) map(tofrom: var%f(2:3)) + if (.not. associated (var%f)) stop 9 + if (size (var%f) /= 4) stop 10 + if (any (var%f(2:3) /= [33, 44])) stop 11 + !$omp end target +! !$omp target map(tofrom: var%str4(2:2)) +! if (.not. associated (var%str4)) stop 15 +! if (len (var%str4) /= 5) stop 16 +! if (size (var%str4) /= 2) stop 17 +! if (var%str4(2) /= "Go!!!") stop 18 +! !$omp end target +! !$omp target map(tofrom: var%uni4(2:2)) +! if (.not. associated (var%uni4)) stop 15 +! if (len (var%uni4) /= 5) stop 16 +! if (size (var%uni4) /= 2) stop 17 +! if (var%uni4(2) /= 4_"Go!!!") stop 18 +! !$omp end target + + deallocate(var%f, var%str4) + end subroutine ten + + ! This is "subroutine six" but with explicit base pointer mappings. + subroutine eleven() + type(t2) :: var + + print '(g0)', '==== TESTCASE "eleven" ====' + + var = t2(a = 1, & + b = 2, c = cmplx(-1.0_8, 2.0_8,kind=8), & + d = [(-3*i, i = 1, 10)], & + str1 = "abcde", & + str2 = ["12345", "67890", "ABCDE", "FGHIJ"], & + uni1 = 4_"abcde", & + uni2 = [4_"12345", 4_"67890", 4_"ABCDE", 4_"FGHIJ"]) + allocate (var%f, source=[22, 33, 44, 55]) + allocate (var%str4, source=["Let's", "Go!!!"]) + allocate (var%uni4, source=[4_"Let's", 4_"Go!!!"]) + +! !$omp target map(tofrom: var%d(5), var%f(3), var%str2(3), & +! !$omp var%str4(2), var%uni2(3), var%uni4(2)) + !$omp target map(to: var%f) map(tofrom: var%d(5), var%f(3), & + !$omp& var%str2(3), var%uni2(3)) + if (var%d(5) /= -3*5) stop 4 + if (var%str2(3) /= "ABCDE") stop 6 + if (var%uni2(3) /= 4_"ABCDE") stop 7 + + if (.not. associated (var%f)) stop 9 + if (size (var%f) /= 4) stop 10 + if (var%f(3) /= 44) stop 11 +! if (.not. associated (var%str4)) stop 15 +! if (len (var%str4) /= 5) stop 16 +! if (size (var%str4) /= 2) stop 17 +! if (var%str4(2) /= "Go!!!") stop 18 +! if (.not. associated (var%uni4)) stop 19 +! if (len (var%uni4) /= 5) stop 20 +! if (size (var%uni4) /= 2) stop 21 +! if (var%uni4(2) /= 4_"Go!!!") stop 22 + !$omp end target + + deallocate(var%f, var%str4, var%uni4) + end subroutine eleven + + ! This is "subroutine seven" but with explicit base-pointer mappings. + subroutine twelve() + type(t2) :: var + + print '(g0)', '==== TESTCASE "twelve" ====' + + var = t2(a = 1, & + b = 2, c = cmplx(-1.0_8, 2.0_8,kind=8), & + d = [(-3*i, i = 1, 10)], & + str1 = "abcde", & + str2 = ["12345", "67890", "ABCDE", "FGHIJ"], & + uni1 = 4_"abcde", & + uni2 = [4_"12345", 4_"67890", 4_"ABCDE", 4_"FGHIJ"]) + allocate (var%f, source=[22, 33, 44, 55]) + allocate (var%str4, source=["Let's", "Go!!!"]) + allocate (var%uni4, source=[4_"Let's", 4_"Go!!!"]) + + !$omp target map(tofrom: var%d(5)) + if (var%d(5) /= (-3*5)) stop 4 + !$omp end target + !$omp target map(tofrom: var%str2(2:3)) + if (any (var%str2(2:3) /= ["67890", "ABCDE"])) stop 6 + !$omp end target + !$omp target map(tofrom: var%uni2(2:3)) + if (any (var%uni2(2:3) /= [4_"67890", 4_"ABCDE"])) stop 7 + !$omp end target + + !$omp target map(to: var%f) map(tofrom: var%f(2:3)) + if (.not. associated (var%f)) stop 9 + if (size (var%f) /= 4) stop 10 + if (any (var%f(2:3) /= [33, 44])) stop 11 + !$omp end target +! !$omp target map(tofrom: var%str4(2:2)) +! if (.not. associated (var%str4)) stop 15 +! if (len (var%str4) /= 5) stop 16 +! if (size (var%str4) /= 2) stop 17 +! if (var%str4(2) /= "Go!!!") stop 18 +! !$omp end target +! !$omp target map(tofrom: var%uni4(2:2)) +! if (.not. associated (var%uni4)) stop 15 +! if (len (var%uni4) /= 5) stop 16 +! if (size (var%uni4) /= 2) stop 17 +! if (var%uni4(2) /= 4_"Go!!!") stop 18 +! !$omp end target + + deallocate(var%f, var%str4, var%uni4) + end subroutine twelve + +end program main