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ChangeLog.omp bump

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Sandra Loosemore 2025-05-15 20:26:30 +00:00
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2025-05-15 Tobias Burnus <tburnus@baylibre.com>
* gcc-changelog/git_repository.py (parse_git_revisions): Optional
exclude_branch_name argument
* gcc-changelog/git_update_version.py: Add --suffix, --exclude-branch
and --last-commit to handle vendor branches.

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2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
Tobias Burnus <tburnus@baylibre.com>
* gimplify.cc (modify_call_for_omp_dispatch): Rework logic for
need_device_ptr and need_device_addr adjustments.
2025-05-15 waffl3x <waffl3x@baylibre.com>
PR c++/119659
PR c++/118859
PR c++/119601
PR c++/119602
PR c++/119775
* gimplify.cc (modify_call_for_omp_dispatch): Refactor and change
attribute unpacking. For adjust_args variadic functions, expand
numeric ranges with relative bounds. Refactor argument adjustment.
2025-05-15 Andrew Pinski <quic_apinski@quicinc.com>
Backported from master:
2025-04-25 Andrew Pinski <quic_apinski@quicinc.com>
Thomas Schwinge <tschwinge@baylibre.com>
PR target/119737
* config/gcn/gcn.cc (gcn_hsa_declare_function_name): Properly
switch sections.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* langhooks-def.h (lhd_omp_deep_mapping): Add new argument.
* langhooks.cc (lhd_omp_deep_mapping): Likewise.
* langhooks.h (omp_deep_mapping): Likewise.
* omp-low.cc (allocate_omp_iterator_elems): Work on the supplied
iterator set instead of the iterators in a supplied set of clauses.
(free_omp_iterator_elems): Likewise.
(lower_omp_target): Maintain vector of new iterators generated by
deep-mapping. Allocate and free iterator element arrays using
iterators found in clauses and in the new iterator vector.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* gimplify.cc (enter_omp_iterator_loop_context): New function variant.
(enter_omp_iterator_loop_context): Delegate to new variant.
(exit_omp_iterator_loop_context): New function variant.
(exit_omp_iterator_loop_context): Delegate to new variant.
(assign_to_iterator_elems_array): New.
(add_new_omp_iterators_entry): New.
(add_new_omp_iterators_clause): Delegate to
add_new_omp_iterators_entry.
* gimplify.h (enter_omp_iterator_loop_context): New prototype.
(enter_omp_iterator_loop_context): Remove default argument.
(exit_omp_iterator_loop_context): Remove argument.
(assign_to_iterator_elems_array): New prototype.
(add_new_omp_iterators_entry): New prototype.
(add_new_omp_iterators_clause): New prototype.
* langhooks-def.h (lhd_omp_deep_mapping_cnt): Remove const from
argument.
(lhd_omp_deep_mapping): Likewise.
* langhooks.cc (lhd_omp_deep_mapping_cnt): Likewise.
(lhd_omp_deep_mapping): Likewise.
* langhooks.h (omp_deep_mapping_cnt): Likewise.
(omp_deep_mapping): Likewise.
* omp-low.cc (lower_omp_map_iterator_expr): Delegate to
assign_to_iterator_elems_array.
(lower_omp_map_iterator_size): Likewise.
(lower_omp_target): Remove sorry for deep mapping.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* gimplify.cc (add_new_omp_iterators_clause): New.
(build_omp_struct_comp_nodes): Add extra argument for loops sequence.
Call add_new_omp_iterators_clause on newly generated clauses.
(omp_accumulate_sibling_list): Add extra argument for loops sequence.
Pass to calls to build_omp_struct_comp_nodes. Add iterators to newly
generator clauses for struct accesses.
(omp_build_struct_sibling_lists): Add extra argument for loops
sequence. Pass to call to omp_accumulate_sibling_list.
(gimplify_adjust_omp_clauses): Pass loops sequence to
omp_build_struct_sibling_lists.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* gimplify.cc (gimplify_omp_affinity): Use macros for accessing
iterator elements.
(compute_omp_iterator_count): Likewise.
(build_omp_iterator_loop): Likewise.
(remove_unused_omp_iterator_vars): Likewise.
(build_omp_iterators_loops): Likewise.
(enter_omp_iterator_loop_context_1): Likewise.
(extract_base_bit_offset): Likewise.
* omp-low.cc (lower_omp_map_iterator_expr): Likewise.
(lower_omp_map_iterator_size): Likewise.
(allocate_omp_iterator_elems): Likewise.
(free_omp_iterator_elems): Likewise.
* tree-inline.cc (copy_tree_body_r): Likewise.
* tree-pretty-print.cc (dump_omp_iterators): Likewise.
* tree.h (OMP_ITERATORS_VAR, OMP_ITERATORS_BEGIN, OMP_ITERATORS_END,
OMP_ITERATORS_STEP, OMP_ITERATORS_ORIG_STEP, OMP_ITERATORS_BLOCK,
OMP_ITERATORS_LABEL, OMP_ITERATORS_INDEX, OMP_ITERATORS_ELEMS,
OMP_ITERATORS_COUNT, OMP_ITERATORS_EXPANDED_P): New macros.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* gimplify.cc (omp_iterator_elems_length): New.
(build_omp_iterators_loops): Change type of elements
array to pointer of pointers if array length is non-constant, and
assign size with indirect reference. Reorder elements added to
iterator vector and add element containing the iteration count. Use
omp_iterator_elems_length to compute element array size required.
* gimplify.h (omp_iterator_elems_length): New prototype.
* omp-low.cc (lower_omp_map_iterator_expr): Reorder elements read
from iterator vector. If elements field is a pointer type, assign
using pointer arithmetic followed by indirect reference, and return
the field directly.
(lower_omp_map_iterator_size): Reorder elements read from iterator
vector. If elements field is a pointer type, assign using pointer
arithmetic followed by indirect reference.
(allocate_omp_iterator_elems): New.
(free_omp_iterator_elems): New.
(lower_omp_target): Call allocate_omp_iterator_elems before inserting
loops sequence, and call free_omp_iterator_elems afterwards.
* tree-pretty-print.cc (dump_omp_iterators): Print extra elements in
iterator vector.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* gimplify.cc (compute_omp_iterator_count): Account for difference
in loop boundaries in Fortran.
(build_omp_iterator_loop): Change upper boundary condition for
Fortran. Insert block statements into innermost loop.
(remove_unused_omp_iterator_vars): Copy block subblocks of old
iterator to new iterator and remove original.
(contains_vars_1): New.
(contains_vars): New.
(extract_base_bit_offset): Add iterator argument. Remove iterator
variables from base. Do not set variable_offset if the offset
does not contain any remaining variables.
(omp_accumulate_sibling_list): Add iterator argument to
extract_base_bit_offset.
* tree-pretty-print.cc (dump_block_node): Ignore BLOCK_SUBBLOCKS
containing iterator block statements.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* gimplify.cc (gimplify_scan_omp_clauses): Add argument for iterator
loop sequence. Gimplify the clause decl and size into the iterator
loop if iterators are used.
(gimplify_omp_workshare): Add argument for iterator loops sequence
in call to gimplify_scan_omp_clauses.
(gimplify_omp_target_update): Call remove_unused_omp_iterator_vars and
build_omp_iterators_loops. Add loop sequence as argument when calling
gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses and building
the Gimple statement.
* tree-pretty-print.cc (dump_omp_clause): Call dump_omp_iterators
for to/from clauses with iterators.
* tree.cc (omp_clause_num_ops): Add extra operand for OMP_CLAUSE_FROM
and OMP_CLAUSE_TO.
* tree.h (OMP_CLAUSE_HAS_ITERATORS): Add check for OMP_CLAUSE_TO and
OMP_CLAUSE_FROM.
(OMP_CLAUSE_ITERATORS): Likewise.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* gimple-pretty-print.cc (dump_gimple_omp_target): Print expanded
iterator loops.
* gimple.cc (gimple_build_omp_target): Add argument for iterator
loops sequence. Initialize iterator loops field.
* gimple.def (GIMPLE_OMP_TARGET): Set GSS symbol to GSS_OMP_TARGET.
* gimple.h (gomp_target): Set GSS symbol to GSS_OMP_TARGET. Add extra
field for iterator loops.
(gimple_build_omp_target): Add argument for iterator loops sequence.
(gimple_omp_target_iterator_loops): New.
(gimple_omp_target_iterator_loops_ptr): New.
(gimple_omp_target_set_iterator_loops): New.
* gimplify.cc (find_var_decl): New.
(copy_omp_iterator): New.
(remap_omp_iterator_var_1): New.
(remap_omp_iterator_var): New.
(remove_unused_omp_iterator_vars): New.
(struct iterator_loop_info_t): New type.
(iterator_loop_info_map_t): New type.
(build_omp_iterators_loops): New.
(enter_omp_iterator_loop_context_1): New.
(enter_omp_iterator_loop_context): New.
(enter_omp_iterator_loop_context): New.
(exit_omp_iterator_loop_context): New.
(gimplify_adjust_omp_clauses): Add argument for iterator loop
sequence. Gimplify the clause decl and size into the iterator
loop if iterators are used.
(gimplify_omp_workshare): Call remove_unused_omp_iterator_vars and
build_omp_iterators_loops for OpenMP target expressions. Add
loop sequence as argument when calling gimplify_adjust_omp_clauses
and building the Gimple statement.
* gimplify.h (enter_omp_iterator_loop_context): New prototype.
(exit_omp_iterator_loop_context): New prototype.
* gsstruct.def (GSS_OMP_TARGET): New.
* omp-low.cc (lower_omp_map_iterator_expr): New.
(lower_omp_map_iterator_size): New.
(finish_omp_map_iterators): New.
(lower_omp_target): Add sorry if iterators used with deep mapping.
Call lower_omp_map_iterator_expr before assigning to sender ref.
Call lower_omp_map_iterator_size before setting the size. Insert
iterator loop sequence before the statements for the target clause.
* tree-nested.cc (convert_nonlocal_reference_stmt): Walk the iterator
loop sequence of OpenMP target statements.
(convert_local_reference_stmt): Likewise.
(convert_tramp_reference_stmt): Likewise.
* tree-pretty-print.cc (dump_omp_iterators): Dump extra iterator
information if present.
(dump_omp_clause): Call dump_omp_iterators for iterators in map
clauses.
* tree.cc (omp_clause_num_ops): Add operand for OMP_CLAUSE_MAP.
(walk_tree_1): Do not walk last operand of OMP_CLAUSE_MAP.
* tree.h (OMP_CLAUSE_HAS_ITERATORS): New.
(OMP_CLAUSE_ITERATORS): New.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* gimplify.cc (gimplify_omp_affinity): Use OMP_ITERATOR_DECL_P.
(compute_omp_iterator_count): New.
(build_omp_iterator_loop): New.
(gimplify_omp_depend): Use OMP_ITERATOR_DECL_P,
compute_omp_iterator_count and build_omp_iterator_loop.
* tree-inline.cc (copy_tree_body_r): Use OMP_ITERATOR_DECL_P.
* tree-pretty-print.cc (dump_omp_clause): Likewise.
* tree.h (OMP_ITERATOR_DECL_P): New macro.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* doc/extend.texi: Adjust version references to 2.7 from 2.6.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* config/gcn/gcn-tree.cc (gcn_goacc_reduction_setup): Fix array case
copy source into reduction buffer.
* config/nvptx/nvptx.cc (nvptx_expand_shared_addr): Move default size
init setting place.
(enum nvptx_builtins): Add NVPTX_BUILTIN_BAR_WARPSYNC.
(nvptx_init_builtins): Add DEF() of nvptx_builtin_bar_warpsync.
(nvptx_expand_builtin): Expand NVPTX_BUILTIN_BAR_WARPSYNC.
(nvptx_goacc_reduction_setup): Fix array case copy source into reduction
buffer.
(nvptx_goacc_reduction_fini): Add bar.warpsync for at end of vector-mode
reductions for sm_70 and above.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* config/gcn/gcn-tree.cc (#include "omp-offload.h"): Add include.
(#include "memmodel.h"): Add include.
(gcn_array_reduction_buffers): New vec<tree>
for holding DECLs for reduction buffer pointer variables.
(gcn_lockfull_update): Add pointer type fold_converts.
(gcn_reduction_update): Additions for handling ARRAY_TYPE, pointer to
ARRAY_TYPE, and RECORD_TYPE reductions.
(gcn_goacc_get_worker_red_decl): Adjust parameters to handle
non-constant offset case.
(gcn_goacc_get_worker_array_reduction_buffer): New function.
(gcn_create_if_else_seq): New function.
(gcn_create_do_while_loop_seq): New function.
(gcn_goacc_reduction_setup): Adjustments to handle arrays and records.
(gcn_goacc_reduction_init): Likewise.
(gcn_goacc_reduction_fini): Likewise.
(gcn_goacc_reduction_teardown): Likewise.
* config/nvptx/nvptx.cc (nvptx_gen_shuffle): Properly generate
V2SI shuffle using vec_extract op.
(nvptx_expand_shared_addr): Adjustments to handle non-constant size.
(nvptx_get_shared_red_addr): Adjust type/alignment calculations to
use TYPE_SIZE/ALIGN_UNIT instead of machine mode based.
(nvptx_get_shared_red_addr): New function with array_max_idx parameter.
(nvptx_reduction_update): Additions for handling ARRAY_TYPE, pointer to
ARRA_TYPE, and RECORD_TYPE reductions.
(nvptx_goacc_reduction_setup): Likewise.
(nvptx_goacc_reduction_init): Likewise.
(nvptx_goacc_reduction_fini): Likewise.
(nvptx_goacc_reduction_teardown): Likewise.
* gimplify.cc (gimplify_scan_omp_clauses): Gimplify inside COMPONENT_REF
and convert codes for OMP_CLAUSE_REDUCTION cases. Add DECL_P check for
do_add/do_add_decl goto case.
(gimplify_adjust_omp_clauses): Avoid GOMP_MAP_POINTER OMP_CLAUSE_SIZE
handling for OpenACC kernels. Call omp_add_variable for ARRAY_REF index.
Peel away array MEM_REF for decl lookup.
* omp-low.cc (struct omp_context):
Add 'hash_map<tree, tree> *block_vars_map' field.
(omp_copy_decl_2): Create/lookup using ctx->block_vars_map first. Add
new copy into ctx->block_vars_map.
(install_var_field): Add 'bool field_may_exist = false' parameter.
Adjust lookup assertions.
(delete_omp_context): Add delete of ctx->block_vars_map.
(scan_sharing_clauses): Adjust calls to install_var_field. Adjust
ARRAY_REF pointer type building to use decl type, rather than generic
ptr_type_node. For ARRAY_REFs on offloaded constructs, also add base
expression as field lookup key.
(omp_reduction_init_op): Add ARRAY_TYPE and RECORD_TYPE init op
construction.
(oacc_array_reduction_bias): New function.
(lower_oacc_reductions): Add array reduction handling code. Arrays use
a different mode of IFN parameters, using additional 'array_addr' and
'array_max_idx' arguments. The LHS var is a simple integer for
dependency ordering.
(lower_omp_target): Adjust 'offload' condition for GOMP_MAP_POINTER
case. Generate BUILT_IN_ALLOCA_WITH_ALIGN to create private copy
for reductions of non-constant size types.
* omp-oacc-neuter-broadcast.cc (worker_single_copy):
Add 'hash_set<tree> *array_reduction_base_vars' parameter. Avoid
propagation for SSA_NAMEs used for array reduction accesses.
(neuter_worker_single): Add 'hash_set<tree> *array_reduction_base_vars'
parameter. Adjust recursive calls to self and worker_single_copy.
(oacc_do_neutering): Add 'hash_set<tree> *array_reduction_base_vars'
parameter. Adjust call to neuter_worker_single.
(execute_omp_oacc_neuter_broadcast): Add local
'hash_set<tree> array_reduction_base_vars' declaration. Collect MEM_REF
base-pointer SSA_NAMEs of arrays into array_reduction_base_vars. Add
'&array_reduction_base_vars' argument to call of oacc_do_neutering.
* omp-offload.cc (#include "cfghooks.h"): Add include.
(oacc_build_array_copy): New function.
(oacc_build_array_copy_loop): New function.
(oacc_build_indexed_ssa_loop): New function.
(default_goacc_reduction): Adjustments to handle arrays.
* omp-offload.h (oacc_build_array_copy): New declaration.
(oacc_build_array_copy_loop): New declaration.
(oacc_build_indexed_ssa_loop): New declaration.
* tree-loop-distribution.cc (generate_memset_builtin): Under OpenACC,
when last stmt of pre-header block is a UNIQUE(OACC_FORK) internal-fn,
split a new basic block to serve as place of insertion, otherwise
may fail later checking because UNIQUE(OACC_FORK) counts as control
flow stmt.
(generate_memcpy_builtin): Likewise.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
* omp-general.cc (omp_context_selector_matches): Add an optional
bool argument for the code elision case.
* omp-general.h (omp_context_selector_matches): Likewise.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
* omp-general.cc (omp_mangle_variant_name): New.
(omp_check_for_duplicate_variant): New.
(omp_copy_trait_set): New.
(omp_trait_selectors_equivalent): New.
(omp_combine_trait_sets): New.
(omp_merge_context_selectors): New.
* omp-general.h (omp_mangle_variant_name): Declare.
(omp_check_for_duplicate_variant): Declare.
(omp_merge_context_selectors): Declare.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* gimple-expr.cc (copy_var_decl): Copy VAR_POINTS_TO_READONLY
for VAR_DECLs.
* omp-low.cc (lower_omp_target): Set VAR_POINTS_TO_READONLY for
variables of receiver refs.
* tree-pretty-print.cc (dump_omp_clause):
Print OMP_CLAUSE_MAP_POINTS_TO_READONLY.
(dump_generic_node): Print SSA_NAME_POINTS_TO_READONLY_MEMORY.
* tree-ssanames.cc (make_ssa_name_fn): Set
SSA_NAME_POINTS_TO_READONLY_MEMORY if DECL_POINTS_TO_READONLY is set.
* tree.h (OMP_CLAUSE_MAP_POINTS_TO_READONLY): New macro.
(VAR_POINTS_TO_READONLY): New macro.
2025-05-15 waffl3x <waffl3x@baylibre.com>
Tobias Burnus <tobias@codesourcery.com>
* cgraphunit.cc (varpool_node::finalize_decl): Add assert.
* gimplify.cc (gimplify_bind_expr): Handle C++ specific
implementation details.
2025-05-15 Julian Brown <julian@codesourcery.com>
Sandra Loosemore <sloosemore@baylibre.com>
* gimplify.cc (gimplify_adjust_omp_clauses): Don't gimplify
VIEW_CONVERT_EXPR away in GOMP_MAP_TO_GRID/GOMP_MAP_FROM_GRID clauses.
* omp-low.cc (omp_noncontig_descriptor_type): Add SPAN field.
(scan_sharing_clauses): Don't store descriptor size in its
OMP_CLAUSE_SIZE field.
(lower_omp_target): Add missing OMP_CLAUSE_MAP check. Add special-case
string handling. Handle span and bias. Use low bound instead of zero
as index for trailing full dimensions.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gimplify.cc (omp_group_last, omp_group_base): Add GOMP_MAP_TO_GRID,
GOMP_MAP_FROM_GRID support.
(gimplify_adjust_omp_clauses): Support new GOMP_MAP_GRID_DIM,
GOMP_MAP_GRID_STRIDE mapping nodes. Don't crash on e.g. misuse of
ADDR_EXPR in mapping clauses.
* omp-general.cc (omp_parse_noncontiguous_array): New function.
(omp_parse_access_method): Add noncontiguous array support.
(omp_parse_structure_base): Add array-shaping support.
(debug_omp_tokenized_addr): Add ACCESS_NONCONTIG_ARRAY,
ACCESS_NONCONTIG_REF_TO_ARRAY token support.
* omp-general.h (access_method_kinds): Add ACCESS_NONCONTIG_ARRAY and
ACCESS_NONCONTIG_REF_TO_ARRAY access kinds.
* omp-low.cc (omp_noncontig_descriptor_type): New function.
(scan_sharing_clauses): Support noncontiguous array updates.
(lower_omp_target): Likewise.
* tree-pretty-print.cc (dump_omp_clause): Add GOMP_MAP_TO_GRID,
GOMP_MAP_FROM_GRID, GOMP_MAP_GRID_DIM, GOMP_MAP_GRID_STRIDE map kinds.
(dump_generic_node): Add stride support for OMP_ARRAY_SECTION.
* tree.def (OMP_ARRAY_SECTION): Add stride argument.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gimplify.cc (dwarf2out.h): Include.
(omp_maybe_get_descriptor_from_ptr): New function.
(build_omp_struct_comp_nodes): Use above function to locate array
descriptor when necessary.
(omp_mapping_group_data, omp_mapping_group_ptr,
omp_mapping_group_pset): New functions.
(omp_instantiate_mapper): Handle inlining of "declare mapper" function
bodies containing setup code (e.g. for Fortran). Handle pointers to
derived types. Handle GOMP_MAP_MAPPING_GROUPs.
* tree-pretty-print.cc (dump_omp_clause): Handle
GOMP_MAP_MAPPING_GROUP.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gimplify.cc (gimplify_omp_ctx): Add IMPLICIT_MAPPERS field.
(new_omp_context): Initialise IMPLICIT_MAPPERS hash map.
(delete_omp_context): Delete IMPLICIT_MAPPERS hash map.
(instantiate_mapper_info): New structs.
(remap_mapper_decl_1, omp_mapper_copy_decl, omp_instantiate_mapper,
omp_instantiate_implicit_mappers): New functions.
(gimplify_scan_omp_clauses): Handle MAPPER_BINDING clauses.
(gimplify_adjust_omp_clauses): Instantiate implicit declared mappers.
(gimplify_omp_declare_mapper): New function.
(gimplify_expr): Call above function.
* langhooks-def.h (lhd_omp_finish_mapper_clauses,
lhd_omp_mapper_lookup, lhd_omp_extract_mapper_directive,
lhd_omp_map_array_section): Add prototypes.
(LANG_HOOKS_OMP_FINISH_MAPPER_CLAUSES,
LANG_HOOKS_OMP_MAPPER_LOOKUP, LANG_HOOKS_OMP_EXTRACT_MAPPER_DIRECTIVE,
LANG_HOOKS_OMP_MAP_ARRAY_SECTION): Define macros.
(LANG_HOOK_DECLS): Add above macros.
* langhooks.cc (lhd_omp_finish_mapper_clauses,
lhd_omp_mapper_lookup, lhd_omp_extract_mapper_directive,
lhd_omp_map_array_section): New dummy functions.
* langhooks.h (lang_hooks_for_decls): Add OMP_FINISH_MAPPER_CLAUSES,
OMP_MAPPER_LOOKUP, OMP_EXTRACT_MAPPER_DIRECTIVE, OMP_MAP_ARRAY_SECTION
hooks.
* omp-general.h (omp_name_type<T>): Add templatized struct, hash type
traits (for omp_name_type<tree> specialization).
(omp_mapper_list<T>): Add struct.
* tree-core.h (omp_clause_code): Add OMP_CLAUSE__MAPPER_BINDING_.
* tree-pretty-print.cc (dump_omp_clause): Support GOMP_MAP_UNSET,
GOMP_MAP_PUSH_MAPPER_NAME, GOMP_MAP_POP_MAPPER_NAME artificial mapping
clauses. Support OMP_CLAUSE__MAPPER_BINDING_ and OMP_DECLARE_MAPPER.
* tree.cc (omp_clause_num_ops, omp_clause_code_name): Add
OMP_CLAUSE__MAPPER_BINDING_.
* tree.def (OMP_DECLARE_MAPPER): New tree code.
* tree.h (OMP_DECLARE_MAPPER_ID, OMP_DECLARE_MAPPER_DECL,
OMP_DECLARE_MAPPER_CLAUSES): New defines.
(OMP_CLAUSE__MAPPER_BINDING__ID, OMP_CLAUSE__MAPPER_BINDING__DECL,
OMP_CLAUSE__MAPPER_BINDING__MAPPER): New defines.
2025-05-15 Julian Brown <julian@codesourcery.com>
Thomas Schwinge <tschwinge@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* gimplify.cc (gimplify_adjust_omp_clauses_1): Set
OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P for OpenACC also.
2025-05-15 Julian Brown <julian@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
Sandra Loosemore <sandra@baylibre.com>
* gimplify.cc (gimplify_adjust_omp_clauses_1): Handle "oacc declare
create" attribute.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gimplify.cc (omp_tsort_mark, omp_mapping_group): Move before
gimplify_omp_ctx. Add constructor to omp_mapping_group.
(gimplify_omp_ctx): Add DECL_DATA_CLAUSE field.
(new_omp_context, delete_omp_context): Initialise and free above field.
(omp_gather_mapping_groups_1): Use constructor for omp_mapping_group.
(gimplify_scan_omp_clauses): Record mappings that might be lexically
inherited. Don't remove
GOMP_MAP_FIRSTPRIVATE_POINTER/GOMP_MAP_FIRSTPRIVATE_REFERENCE yet.
(gomp_oacc_needs_data_present): New function.
(gimplify_adjust_omp_clauses_1): Implement lexical inheritance
behaviour for OpenACC.
(gimplify_adjust_omp_clauses): Remove
GOMP_MAP_FIRSTPRIVATE_POINTER/GOMP_MAP_FIRSTPRIVATE_REFERENCE here
instead, after lexical inheritance is done.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Backported from master:
2023-05-19 Chung-Lin Tang <cltang@codesourcery.com>
* builtins.cc (expand_builtin_omp_builtins): New function.
(expand_builtin): Add expand cases for BUILT_IN_GOMP_BARRIER,
BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_OMP_GET_NUM_THREADS,
BUILT_IN_OMP_GET_TEAM_NUM, and BUILT_IN_OMP_GET_NUM_TEAMS using
expand_builtin_omp_builtins, enabled under -fopenmp-target=acc.
* cgraphunit.cc (analyze_functions): Add call to
omp_ompacc_attribute_tagging, enabled under -fopenmp-target=acc.
* common.opt (fopenmp-target=): Add new option and enums.
* config/nvptx/mkoffload.cc (main): Handle -fopenmp-target=.
* config/nvptx/nvptx-protos.h (nvptx_expand_omp_get_num_threads): New
prototype.
(nvptx_mem_shared_p): Likewise.
* config/nvptx/nvptx.cc (omp_num_threads_sym): New global static RTX
symbol for number of threads in team.
(omp_num_threads_align): New var for alignment of omp_num_threads_sym.
(need_omp_num_threads): New bool for if any function references
omp_num_threads_sym.
(nvptx_option_override): Initialize omp_num_threads_sym/align.
(write_as_kernel): Disable normal OpenMP kernel entry under OMPACC mode.
(nvptx_declare_function_name): Disable shim function under OMPACC mode.
Disable soft-stack under OMPACC mode. Add generation of neutering init
code under OMPACC mode.
(nvptx_output_set_softstack): Return "" under OMPACC mode.
(nvptx_expand_call): Set parallelism to vector for function calls with
"ompacc for" attached.
(nvptx_expand_oacc_fork): Set mode to GOMP_DIM_VECTOR under OMPACC mode.
(nvptx_expand_oacc_join): Likewise.
(nvptx_expand_omp_get_num_threads): New function.
(nvptx_mem_shared_p): New function.
(nvptx_mach_max_workers): Return 1 under OMPACC mode.
(nvptx_mach_vector_length): Return 32 under OMPACC mode.
(nvptx_single): Add adjustments for OMPACC mode, which have
parallel-construct fork/joins, and regions of code where neutering is
dynamically determined.
(nvptx_reorg): Enable neutering under OMPACC mode when "ompacc for"
attribute is attached to function. Disable uniform-simt when under
OMPACC mode.
(nvptx_file_end): Write __nvptx_omp_num_threads out when needed.
(nvptx_goacc_fork_join): Return true under OMPACC mode.
* config/nvptx/nvptx.h (struct GTY(()) machine_function): Add
omp_parallel_predicate and omp_fn_entry_num_threads_reg fields.
* config/nvptx/nvptx.md (unspecv): Add UNSPECV_GET_TID,
UNSPECV_GET_NTID, UNSPECV_GET_CTAID, UNSPECV_GET_NCTAID,
UNSPECV_OMP_PARALLEL_FORK, UNSPECV_OMP_PARALLEL_JOIN entries.
(nvptx_shared_mem_operand): New predicate.
(gomp_barrier): New expand pattern.
(omp_get_num_threads): New expand pattern.
(omp_get_num_teams): New insn pattern.
(omp_get_thread_num): Likewise.
(omp_get_team_num): Likewise.
(get_ntid): Likewise.
(nvptx_omp_parallel_fork): Likewise.
(nvptx_omp_parallel_join): Likewise.
* expr.cc (expand_expr_real_1): Call expand_var_decl target hook.
* flag-types.h (omp_target_mode_kind): New flag value enum.
* gimplify.cc (struct gimplify_omp_ctx): Add 'bool ompacc' field.
(gimplify_scan_omp_clauses): Handle OMP_CLAUSE__OMPACC_.
(gimplify_adjust_omp_clauses): Likewise.
(gimplify_omp_ctx_ompacc_p): New function.
(gimplify_omp_for): Handle combined loops under OMPACC.
* lto-wrapper.cc (append_compiler_options): Add OPT_fopenmp_target_.
* omp-builtins.def (BUILT_IN_OMP_GET_THREAD_NUM): Remove CONST.
(BUILT_IN_OMP_GET_NUM_THREADS): Likewise.
* omp-expand.cc (remove_exit_barrier): Disable addressable-var
processing for parallel construct child functions under OMPACC mode.
(expand_oacc_for): Add OMPACC mode handling.
(get_target_arguments): Force thread_limit clause value to 1 under
OMPACC mode.
(expand_omp): Under OMPACC mode, avoid child function expanding of
GIMPLE_OMP_PARALLEL.
* omp-general.cc (omp_extract_for_data): Adjustments for OMPACC mode.
* omp-low.cc (struct omp_context): Add 'bool ompacc_p' field.
(scan_sharing_clauses): Handle OMP_CLAUSE__OMPACC_.
(ompacc_ctx_p): New function.
(scan_omp_parallel): Handle OMPACC mode, avoid creating child function.
(scan_omp_target): Tag "ompacc"/"ompacc for" attributes for target
construct child function, remove OMP_CLAUSE__OMPACC_ clauses.
(lower_oacc_head_mark): Handle OMPACC mode cases.
(lower_omp_for): Adjust OMP_FOR kind from OpenMP to OpenACC kinds, add
vector/gang clauses as needed. Add other OMPACC handling.
(lower_omp_taskreg): Add call to lower_oacc_head_tail for OMPACC case.
(lower_omp_target): Do OpenACC gang privatization under OMPACC case.
(lower_omp_teams): Forward OpenACC privatization variables to outer
target region under OMPACC mode.
(lower_omp_1): Do OpenACC gang privatization under OMPACC case for
GIMPLE_BIND.
* omp-offload.cc (ompacc_supported_clauses_p): New function.
(struct target_region_data): New struct type for tree walk.
(scan_fndecl_for_ompacc): New function.
(scan_omp_target_region_r): New function.
(scan_omp_target_construct_r): New function.
(omp_ompacc_attribute_tagging): New function.
(oacc_dim_call): Add OMPACC case handling.
(execute_oacc_device_lower): Make parts explicitly only OpenACC enabled.
(pass_oacc_device_lower::gate): Enable pass under OMPACC mode.
* omp-offload.h (omp_ompacc_attribute_tagging): New prototype.
* opts.cc (finish_options): Only allow -fopenmp-target= when -fopenmp
and no -fopenacc.
* target-insns.def (gomp_barrier): New defined insn pattern.
(omp_get_thread_num): Likewise.
(omp_get_num_threads): Likewise.
(omp_get_team_num): Likewise.
(omp_get_num_teams): Likewise.
* tree-core.h (enum omp_clause_code): Add new OMP_CLAUSE__OMPACC_ entry
for internal clause.
* tree-nested.cc (convert_nonlocal_omp_clauses): Handle
OMP_CLAUSE__OMPACC_.
* tree-pretty-print.cc (dump_omp_clause): Handle OMP_CLAUSE__OMPACC_.
* tree.cc (omp_clause_num_ops): Add OMP_CLAUSE__OMPACC_ entry.
(omp_clause_code_name): Likewise.
* tree.h (OMP_CLAUSE__OMPACC__FOR): New macro for OMP_CLAUSE__OMPACC_.
2025-05-15 Andrew Stubbs <ams@codesourcery.com>
* tree-vect-data-refs.cc (vect_analyze_data_refs): Workaround an
address-space bug.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* builtin-types.def (BT_FN_VOID_PTRMODE): Add.
(BT_FN_PTRMODE_PTRMODE_INT_PTR): Add.
* gimplify.cc (gimplify_bind_expr): Diagnose missing
uses_allocators clause.
(gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses,
gimplify_omp_workshare): Handle uses_allocators.
* omp-builtins.def (BUILT_IN_OMP_INIT_ALLOCATOR,
BUILT_IN_OMP_DESTROY_ALLOCATOR): Add.
* omp-low.cc (scan_sharing_clauses): Handle OMP_CLAUSE_USES_ALLOCATORS
and OMP_CLAUSE_USES_ALLOCATORS_ALLOCATOR clauses.
* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_USES_ALLOCATORS.
* tree.cc (omp_clause_num_ops, omp_clause_code_name): Likewise.
* tree-pretty-print.cc (dump_omp_clause): Handle it.
* tree.h (OMP_CLAUSE_USES_ALLOCATORS_ALLOCATOR,
OMP_CLAUSE_USES_ALLOCATORS_MEMSPACE,
OMP_CLAUSE_USES_ALLOCATORS_TRAITS): New.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
Sandra Loosemore <sloosemore@baylibre.com>
* omp-oacc-kernels-decompose.cc (top_level_omp_for_in_stmt,
decompose_kernels_region_body): Handle GIMPLE_DEBUG like
simple assignment.
2025-05-15 Andrew Stubbs <ams@baylibre.com>
* omp-builtins.def (BUILT_IN_GOMP_ENABLE_PINNED_MODE): New.
* omp-low.cc (omp_enable_pinned_mode): New function.
(execute_lower_omp): Call omp_enable_pinned_mode.
2025-05-15 Andrew Stubbs <ams@baylibre.com>
* common.opt: Add -foffload-memory and its enum values.
* coretypes.h (enum offload_memory): New.
* doc/invoke.texi: Document -foffload-memory.
2025-05-15 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-expand.cc (expand_oacc_for): Convert .tile variable to
diff_type before multiplying.
* omp-general.cc (omp_extract_for_data): Use accumulated precision
of all collapsed for-loops as precision of iteration variable, up
to the precision of a long long.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
* omp-low.cc (install_var_field): Add new 'tree key_expr = NULL_TREE'
default parameter. Set splay-tree lookup key to key_expr instead of
var if key_expr is non-NULL. Adjust call to install_parm_decl.
Update comments.
(scan_sharing_clauses): Use clause tree expression as splay-tree key
for map/to/from and OpenACC firstprivate cases when installing the
variable field into the send/receive record type.
(maybe_lookup_field_in_outer_ctx): Add code to search through
construct clauses instead of entirely based on splay-tree lookup.
(lower_oacc_reductions): Adjust to find map-clause of reduction
variable, then create receiver-ref.
(lower_omp_target): Adjust to lookup var field using clause expression.
2025-05-15 Andrew Stubbs <ams@codesourcery.com>
* dwarf2out.cc (add_location_or_const_value_attribute): Set
DW_AT_address_class, if appropriate.
2025-05-15 Andrew Stubbs <ams@codesourcery.com>
* dwarf2out.cc (notional_parents_list): New file variable.
(gen_subprogram_die): Record offload kernel functions in
notional_parents_list.
(fixup_notional_parents): New function.
(dwarf2out_finish): Call fixup_notional_parents.
(dwarf2out_c_finalize): Reset notional_parents_list.
2025-05-15 Julian Brown <julian@codesourcery.com>
* omp-offload.cc (oacc_thread_numbers): Add VF_BY_VECTORIZER parameter.
Add overloaded wrapper for previous arguments & behaviour.
(oacc_xform_loop): Lower vector loops to iterate a multiple of
omp_max_vf times over contiguous steps on non-SIMT targets.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
* gimplify.cc (omp_group_base): Handle GOMP_MAP_DECLARE_ALLOCATE
and GOMP_MAP_DECLARE_DEALLOCATE.
(gimplify_adjust_omp_clauses): Likewise.
* omp-low.cc (scan_sharing_clauses): Update handling of OpenACC declare
create, declare copyin and declare deviceptr to have local lifetimes.
(convert_to_firstprivate_int): Handle pointer types.
(convert_from_firstprivate_int): Likewise. Create local storage for
the values being pointed to. Add new orig_type argument. Use
VIEW_CONVERT also for vectors.
(lower_omp_target): Handle GOMP_MAP_DECLARE_{ALLOCATE,DEALLOCATE}.
Add orig_type argument to convert_from_firstprivate_int call.
Allow pointer types with GOMP_MAP_FIRSTPRIVATE_INT. Don't privatize
firstprivate VLAs.
* tree-pretty-print.cc (dump_omp_clause): Handle
GOMP_MAP_DECLARE_{ALLOCATE,DEALLOCATE}.
2025-05-15 Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Sandra Loosemore <sandra@baylibre.com>
* gimplify.cc (localize_reductions): Rewrite references for
OMP_CLAUSE_PRIVATE also. Do not create local variable for
privatized arrays as the size is not directly known by the type.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Sandra Loosemore <sloosemore@baylibre.com>
* gimplify.cc (privatize_reduction): New struct.
(localize_reductions_r, localize_reductions): New functions.
(gimplify_omp_for): Call localize_reductions.
(gimplify_omp_workshare): Likewise.
* omp-low.cc (lower_oacc_reductions): Handle localized reductions.
Create fewer temp vars.
* tree-core.h (omp_clause_code): Add OMP_CLAUSE_REDUCTION_PRIVATE_DECL
documentation.
* tree.cc (omp_clause_num_ops): Bump number of ops for
OMP_CLAUSE_REDUCTION to 6.
(walk_tree_1): Adjust accordingly.
* tree.h (OMP_CLAUSE_REDUCTION_PRIVATE_DECL): Add macro.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Chung-Lin Tang <cltang@codesourcery.com>
* gimplify.cc (omp_add_variable): Enable firstprivate reduction
variables.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
* omp-low.cc (lower_oacc_head_mark): Don't mark OpenACC auto
loops as independent inside acc parallel regions.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-low.cc (maybe_lookup_field_in_outer_ctx): New function.
(convert_to_firstprivate_int): New function.
(convert_from_firstprivate_int): New function.
(lower_omp_target): Enable GOMP_MAP_FIRSTPRIVATE_INT in OpenACC.
Remove unused variable.
2025-05-15 Nathan Sidwell <nathan@acm.org>
Tom de Vries <tdevries@suse.de>
Thomas Schwinge <thomas@codesourcery.com>
Julian Brown <julian@codesourcery.com>
* doc/invoke.texi (fopenacc-dim): Document syntax for using
runtime value from environment variable.
* omp-offload.cc (oacc_parse_default_dims): Implement it.
2025-05-15 Julian Brown <julian@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
* config/nvptx/nvptx.cc (nvptx_propagate_unified): New.
(nvptx_split_blocks): Call it for cond_uni insn.
(nvptx_expand_cond_uni): New.
(enum nvptx_builtins): Add NVPTX_BUILTIN_COND_UNI.
(nvptx_init_builtins): Initialize it.
(nvptx_expand_builtin): Handle NVPTX_BUILTIN_COND_UNI.
(nvptx_generate_vector_shuffle): Change integral SHIFT operand to
tree BITS operand.
(nvptx_vector_reduction): New.
(nvptx_adjust_reduction_type): New.
(nvptx_goacc_reduction_setup): Use it to adjust the type of ref_to_res.
(nvptx_goacc_reduction_init): Don't update LHS if it doesn't exist.
(nvptx_goacc_reduction_fini): Call nvptx_vector_reduction for vector.
Use it to adjust the type of ref_to_res.
(nvptx_goacc_reduction_teardown): Call nvptx_adjust_reduction_type.
* config/nvptx/nvptx.md (cond_uni): New pattern.
* gimplify.cc (gimplify_adjust_omp_clauses): Add DECL_P check
for OMP_CLAUSE_TASK_REDUCTION.
* omp-low.cc (lower_oacc_reductions): Handle
GOMP_MAP_FIRSTPRIVATE_POINTER.
* omp-offload.cc (default_goacc_reduction): Likewise.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
James Norris <jnorris@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <tschwinge@baylibre.com>
* gimplify.cc (enum gimplify_omp_var_data): Add GOVD_DEVICETPR.
(oacc_default_clause): Privatize fortran common blocks.
(omp_notice_variable): Add GOVD_DEVICEPTR attribute when appropriate.
Defer the expansion of DECL_VALUE_EXPR for common block decls.
(gimplify_scan_omp_clauses): Add GOVD_DEVICEPTR attribute when
appropriate.
(gimplify_adjust_omp_clauses_1): Set GOMP_MAP_FORCE_DEVICEPTR for
implicit deviceptr mappings.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
PR other/76739
* builtin-types.def (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_VAR): New type.
* gimplify.cc (omp_group_base): Handle GOMP_MAP_NONCONTIG_ARRAY_*.
(gimplify_scan_omp_clauses): Handle OMP_TARGET_UPDATE.
(gimplify_adjust_omp_clauses): Skip gimplification of
OMP_CLAUSE_SIZE of non-contiguous array maps (which is a TREE_LIST).
* omp-builtins.def (BUILT_IN_GOACC_DATA_START): Adjust function type
to new BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_VAR.
* omp-expand.cc (expand_omp_target): Add non-contiguous array
descriptor pointers to variadic arguments.
* omp-low.cc (append_field_to_record_type): New function.
(create_noncontig_array_descr_type): Likewise.
(create_noncontig_array_descr_init_code): Likewise.
(scan_sharing_clauses): For non-contiguous array map kinds, check for
supported dimension structure, and install non-contiguous array
variable into current omp_context.
(reorder_noncontig_array_clauses): New function.
(scan_omp_target): Call reorder_noncontig_array_clauses to place
non-contiguous array map clauses at beginning of clause sequence.
(lower_omp_target): Add handling for non-contiguous array map kinds,
add all created non-contiguous array descriptors to
gimple_omp_target_data_arg.
* tree-pretty-print.cc (dump_omp_clause): Handle
GOMP_MAP_NONCONTIG_ARRAY_*.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
* Makefile.in (REVISION_s): Change default message.

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2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* c-omp.cc (omp_instantiate_mapper): Apply iterator to new clauses
generated from mapper.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* c-omp.cc (c_finish_omp_depobj): Use OMP_ITERATOR_DECL_P.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* c-cppbuiltin.cc (c_cpp_builtins): Updated _OPENACC to "201811"
for OpenACC 2.7.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* c-omp.cc (c_omp_address_inspector::expand_array_base):
Set OMP_CLAUSE_MAP_POINTS_TO_READONLY on pointer clause.
(c_omp_address_inspector::expand_component_selector): Likewise.
2025-05-15 Julian Brown <julian@codesourcery.com>
Andrew Stubbs <ams@baylibre.com>
Kwok Cheung Yeung <kcyeung@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* c-common.h (c_omp_region_type): Add C_ORT_UPDATE and C_ORT_OMP_UPDATE
codes.
* c-omp.cc (omp_basic_map_kind_name): New function.
(omp_instantiate_mapper): Add LOC parameter. Add 'target update'
support.
(c_omp_instantiate_mappers): Add 'target update' support.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-omp.cc (c_omp_address_inspector::map_supported_p): Support
VIEW_CONVERT_EXPR and ADDR_EXPR codes.
(omp_expand_grid_dim): New function.
(omp_handle_noncontig_array): New function.
(c_omp_address_inspector:expand_array_base): Support noncontiguous
array updates.
(c_omp_address_inspector::expand_component_selector): Support
noncontiguous array updates.
* c-pretty-print.cc (c_pretty_printer::postfix_expression): Add
OMP_ARRAY_SECTION stride support.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-common.h (expand_array_base, expand_component_selector,
expand_map_clause): Adjust member declarations.
* c-omp.cc (omp_expand_access_chain): Pass and return pointer to
clause.
(c_omp_address_inspector::expand_array_base): Likewise.
(c_omp_address_inspector::expand_component_selector): Likewise.
(c_omp_address_inspector::expand_map_clause): Likewise.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-common.h (c_omp_region_type): Add C_ORT_EXIT_DATA,
C_ORT_OMP_EXIT_DATA.
(c_omp_instantiate_mappers): Add region type parameter.
* c-omp.cc (omp_split_map_kind, omp_join_map_kind,
omp_map_decayed_kind): New functions.
(omp_instantiate_mapper): Add ORT parameter. Implement map kind decay
for instantiated mapper clauses.
(c_omp_instantiate_mappers): Add ORT parameter, pass to
omp_instantiate_mapper.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-common.h (c_omp_region_type): Add C_ORT_DECLARE_MAPPER and
C_ORT_OMP_DECLARE_MAPPER codes.
(omp_mapper_list): Add forward declaration.
(c_omp_find_nested_mappers, c_omp_instantiate_mappers): Add prototypes.
* c-omp.cc (c_omp_find_nested_mappers): New function.
(remap_mapper_decl_info): New struct.
(remap_mapper_decl_1, omp_instantiate_mapper,
c_omp_instantiate_mappers): New functions.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-omp.cc (c_omp_address_inspector::expand_array_base): Don't omit
pointer nodes for OpenACC.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* c-omp.cc (c_omp_split_clauses): Hande uses_allocators.
* c-pragma.h (enum pragma_omp_clause): Add
PRAGMA_OMP_CLAUSE_USES_ALLOCATORS.

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2025-05-15 waffl3x <waffl3x@baylibre.com>
PR c++/119659
PR c++/118859
PR c++/119601
PR c++/119602
PR c++/119775
* c-parser.cc (c_omp_numeric_ranges_always_overlap): New function.
(c_parser_omp_parm_list): New function.
(c_finish_omp_declare_variant): Use c_parser_omp_parm_list instead
of c_parser_omp_variable_list. Refactor, change format of
"omp declare variant variant args" attribute.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* c-parser.cc (c_parser_omp_clause_map): Apply iterator to push and
pop mapper clauses.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* c-parser.cc (c_parser_omp_iterators): Use macros for accessing
iterator elements.
(c_parser_omp_clause_affinity): Likewise.
(c_parser_omp_clause_depend): Likewise.
(c_parser_omp_clause_map): Likewise.
(c_parser_omp_clause_from_to): Likewise.
* c-typeck.cc (c_omp_finish_iterators): Likewise.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* c-typeck.cc (handle_omp_array_sections): Add extra argument. Set
argument to true if array section has a stride that is not one.
(c_finish_omp_clauses): Disable strided updates when iterators are
used in the clause. Emit sorry if strided.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* c-parser.cc (c_parser_omp_clause_from_to): Parse 'iterator' modifier.
* c-typeck.cc (c_finish_omp_clauses): Finish iterators for to/from
clauses.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* c-parser.cc (c_parser_omp_clause_map): Parse 'iterator' modifier.
* c-typeck.cc (c_finish_omp_clauses): Finish iterators. Apply
iterators to generated clauses.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* c-typeck.cc (handle_omp_array_sections): Use OMP_ITERATOR_DECL_P.
(c_finish_omp_clauses): Likewise.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* c-parser.cc (c_parser_omp_variable_list): Adjust parsing of opening
square bracket.
(c_parser_omp_clause_reduction): Adjustments for
OpenACC-specific cases.
* c-typeck.cc (c_oacc_reduction_defined_type_p): New function.
(c_oacc_reduction_code_name): Likewise.
(c_finish_omp_clauses): Handle OpenACC cases using new functions.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
Julian Brown <julian@codesourcery.com>
* c-decl.cc (current_omp_declare_variant_attribute): Define.
* c-lang.h (struct c_omp_declare_variant_attr): Declare.
(current_omp_declare_variant_attribute): Declare.
* c-parser.cc (c_parser_skip_to_pragma_omp_end_declare_variant): New.
(c_parser_translation_unit): Check for "omp begin declare variant"
with no matching "end".
(c_parser_declaration_or_fndef): Handle functions in "omp begin
declare variant" block.
(c_finish_omp_declare_variant): Merge context selectors with
surrounding "omp begin declare variant".
(JOIN_STR): Define.
(omp_start_variant_function): New.
(omp_finish_variant_function): New.
(c_parser_omp_begin): Handle "omp begin declare variant".
(c_parser_omp_end): Likewise.
2025-05-15 waffl3x <waffl3x@baylibre.com>
Tobias Burnus <tobias@codesourcery.com>
* c-parser.cc (c_parser_omp_allocate): Fix typo in diagnostic.
2025-05-15 Julian Brown <julian@codesourcery.com>
Andrew Stubbs <ams@baylibre.com>
Kwok Cheung Yeung <kcyeung@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* c-parser.cc (c_parser_omp_variable_list): Support array-shaping
operator in 'declare mapper' definitions.
(c_parser_omp_clause_map): Pass C_ORT_OMP_DECLARE_MAPPER to
c_parser_omp_variable_list in mapper definitions.
(c_parser_omp_clause_from_to): Add parsing for mapper modifier.
(c_parser_omp_target_update): Instantiate mappers.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-parser.cc (c_parser_braced_init): Disallow array-shaping operator
in braced init.
(c_parser_conditional_expression): Disallow array-shaping operator in
conditional expression.
(c_parser_cast_expression): Add array-shaping operator support.
(c_parser_postfix_expression): Disallow array-shaping operator in
statement expressions.
(c_parser_postfix_expression_after_primary): Add OpenMP array section
stride support.
(c_parser_expr_list): Disallow array-shaping operator in expression
lists.
(c_array_type_nelts_total): New function.
(c_parser_omp_variable_list): Support array-shaping operator.
(c_parser_omp_target_update): Recognize GOMP_MAP_TO_GRID and
GOMP_MAP_FROM_GRID map kinds as well as OMP_CLAUSE_TO/OMP_CLAUSE_FROM.
* c-tree.h (c_omp_array_shaping_op_p, c_omp_has_array_shape_p): New
extern declarations.
(create_omp_arrayshape_type): Add prototype.
* c-typeck.cc (c_omp_array_shaping_op_p, c_omp_has_array_shape_p): New
globals.
(build_omp_array_section): Permit integral types, not just integer
constants, when creating array types for array sections.
(create_omp_arrayshape_type): New function.
(handle_omp_array_sections_1): Add DISCONTIGUOUS parameter. Add
strided/rectangular array section support.
(omp_array_section_low_bound): New function.
(handle_omp_array_sections): Add DISCONTIGUOUS parameter. Add
strided/rectangular array section support.
(c_finish_omp_clauses): Update calls to handle_omp_array_sections.
Handle discontiguous updates.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-parser.cc (c_parser_postfix_expression_after_primary): Dummy stride
support (for now).
(struct omp_dim): Add stride support.
(c_parser_omp_variable_list): Likewise.
* c-tree.h (build_omp_array_section): Update prototype.
* c-typeck.cc (mark_exp_read): Add stride support for
OMP_ARRAY_SECTION.
(build_omp_array_section): Add stride support.
(handle_omp_array_sections_1): Add minimal stride support.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-typeck.cc (handle_omp_array_sections): Pass pointer to clause to
process instead of clause.
(c_finish_omp_clauses): Update calls to handle_omp_array_sections.
Handle cases where initial clause might be replaced.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-parser.cc (c_parser_omp_target_data): Instantiate mappers for
'omp target data'.
(c_parser_omp_target_enter_data): Instantiate mappers for 'omp target
enter data'.
(c_parser_omp_target_exit_data): Instantiate mappers for 'omp target
exit data'.
(c_parser_omp_target): Add c_omp_region_type argument to
c_omp_instantiate_mappers call.
* c-tree.h (c_omp_instantiate_mappers): Remove spurious prototype.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-decl.cc (c_omp_mapper_id, c_omp_mapper_decl, c_omp_mapper_lookup,
c_omp_extract_mapper_directive, c_omp_map_array_section,
c_omp_scan_mapper_bindings_r, c_omp_scan_mapper_bindings): New
functions.
* c-objc-common.h (LANG_HOOKS_OMP_FINISH_MAPPER_CLAUSES,
LANG_HOOKS_OMP_MAPPER_LOOKUP, LANG_HOOKS_OMP_EXTRACT_MAPPER_DIRECTIVE,
LANG_HOOKS_OMP_MAP_ARRAY_SECTION): Define langhooks for C.
* c-parser.cc (c_parser_omp_clause_map): Add KIND parameter. Handle
mapper modifier.
(c_parser_omp_all_clauses): Update call to c_parser_omp_clause_map with
new kind argument.
(c_parser_omp_target): Instantiate explicit mappers and record bindings
for implicit mappers.
(c_parser_omp_declare_mapper): Parse "declare mapper" directives.
(c_parser_omp_declare): Support "declare mapper".
* c-tree.h (c_omp_finish_mapper_clauses, c_omp_mapper_lookup,
c_omp_extract_mapper_directive, c_omp_map_array_section,
c_omp_mapper_id, c_omp_mapper_decl, c_omp_scan_mapper_bindings,
c_omp_instantiate_mappers): Add prototypes.
* c-typeck.cc (c_finish_omp_clauses): Handle GOMP_MAP_PUSH_MAPPER_NAME
and GOMP_MAP_POP_MAPPER_NAME.
(c_omp_finish_mapper_clauses): New function (langhook).
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* c-parser.cc (c_parser_omp_clause_uses_allocators): New.
(c_parser_omp_clause_name, c_parser_omp_all_clauses,
OMP_TARGET_CLAUSE_MASK): Handle uses_allocators.
* c-typeck.cc (c_finish_omp_clauses): Likewise.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
* c-typeck.cc (c_finish_omp_clauses): Adjust to allow duplicate
mapped variables for OpenMP.
2025-05-15 Julian Brown <julian@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
Nathan Sidwell <nathan@acm.org>
Kwok Cheung Yeung <kcy@codesourcery.com>
* c-parser.cc (c_parser_omp_variable_list): New c_omp_region_type
argument. Use it to specialize handling of OMP_CLAUSE_REDUCTION for
OpenACC.
(c_parser_omp_var_list_parens): Add region-type argument to call.
(c_parser_oacc_data_clause): Likewise.
(c_parser_oacc_data_clause_deviceptr): Likewise.
(c_parser_omp_clause_reduction): Change is_omp boolean parameter to
c_omp_region_type. Update call to c_parser_omp_variable_list.
(c_parser_omp_clause_map): Update call to
c_parser_omp_variable_list.
(c_parser_omp_clause_from_to): Likewise.
(c_parser_omp_clause_init): Likewise.
(c_parser_oacc_all_clauses): Update calls to
c_parser_omp_clause_reduction.
(c_parser_omp_all_clauses): Likewise.
(c_parser_oacc_cache): Update call to c_parser_omp_variable_list.
* c-typeck.cc (c_finish_omp_clauses): Emit an error on orphan OpenACC
gang reductions. Suppress user-defined reduction error for OpenACC.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
PR other/76739
* c-typeck.cc (handle_omp_array_sections_1): Add 'bool &non_contiguous'
parameter, adjust recursive call site, add cases for allowing
pointer based multi-dimensional arrays for OpenACC. Reject
non-DECL base-pointer cases as unsupported.
(handle_omp_array_sections): Adjust handle_omp_array_sections_1 call,
handle non-contiguous case to create dynamic array map.

332
gcc/cp/ChangeLog.omp Normal file
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@ -0,0 +1,332 @@
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
Tobias Burnus <tburnus@baylibre.com>
* parser.cc (cp_finish_omp_declare_variant): Adjust error messages.
2025-05-15 waffl3x <waffl3x@baylibre.com>
PR c++/119659
PR c++/118859
PR c++/119601
PR c++/119602
PR c++/119775
PR c++/119659
PR c++/118859
PR c++/119601
PR c++/119602
PR c++/119775
* cp-tree.h (finish_omp_parm_list): New declaration.
(finish_omp_adjust_args): New declaration.
* decl.cc (omp_declare_variant_finalize_one): Refactor and change
attribute unpacking, use finish_omp_parm_list and
finish_omp_adjust_args, refactor append_args diagnostics, add
nbase_parms to append_args attribute, remove special handling for
member functions.
* parser.cc (cp_parser_direct_declarator): Don't pass parms.
(cp_parser_late_return_type_opt): Remove parms parameter.
(cp_parser_omp_parm_list): New function.
(cp_finish_omp_declare_variant): Remove parms parameter.
Add NULL_TREE instead of nbase_args to append_args_tree. Refactor,
use cp_parser_omp_parm_list not cp_parser_omp_var_list_no_open,
handle "need_device_addr" and remove handling and diagnostics of
parm list arguments that are done too early. Change format of
unnamed variant attribute.
(cp_parser_late_parsing_omp_declare_simd): Remove parms parameter.
* pt.cc (tsubst_attribute): Copy "omp declare variant base" nodes,
substitute parm list numeric range bounds.
* semantics.cc (finish_omp_parm_list): New function.
(finish_omp_adjust_args): New function.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* parser.cc (cp_parser_omp_clause_map): Apply iterator to push and
pop mapper clauses.
* semantics.cc (cxx_omp_map_array_section): Allow array types for
base type of array sections.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* parser.cc (cp_parser_omp_iterators): Use macros for accessing
iterator elements.
(cp_parser_omp_clause_affinity): Likewise.
(cp_parser_omp_clause_depend): Likewise.
(cp_parser_omp_clause_from_to): Likewise.
(cp_parser_omp_clause_map): Likewise.
* semantics.cc (cp_omp_finish_iterators): Likewise.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* semantics.cc (handle_omp_array_sections): Add extra argument. Set
argument to true if array section has a stride that is not one.
(finish_omp_clauses): Disable strided updates when iterators are
used in the clause. Emit sorry if strided.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* parser.cc (cp_parser_omp_clause_from_to): Parse 'iterator' modifier.
* semantics.cc (finish_omp_clauses): Finish iterators for to/from
clauses.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* parser.cc (cp_parser_omp_clause_map): Parse 'iterator' modifier.
* semantics.cc (finish_omp_clauses): Finish iterators. Apply
iterators to generated clauses.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* pt.cc (tsubst_omp_clause_decl): Use OMP_ITERATOR_DECL_P.
* semantics.cc (handle_omp_array_sections): Likewise.
(finish_omp_clauses): Likewise.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* parser.cc (cp_parser_omp_var_list_no_open): Adjust parsing of opening
square bracket.
(cp_parser_omp_clause_reduction): Adjustments for
OpenACC-specific cases.
* semantics.cc (cp_oacc_reduction_defined_type_p): New function.
(cp_oacc_reduction_code_name): Likewise.
(finish_omp_reduction_clause): Handle OpenACC cases using new
functions.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
Julian Brown <julian@codesourcery.com>
waffl3x <waffl3x@baylibre.com>
* cp-tree.h (struct cp_omp_declare_variant_attr): New.
(struct saved_scope): Add omp_declare_variant_attribute field.
* decl.cc (omp_declare_variant_finalize_one): Add logic to inject
"this" parameter for method calls.
* parser.cc (cp_parser_skip_to_pragma_omp_end_declare_variant): New.
(omp_start_variant_function): New.
(omp_finish_variant_function): New.
(cp_parser_init_declarator): Handle variant functions.
(cp_parser_class_specifier): Handle deferred lookup of base functions
when the entire class has been seen.
(cp_parser_member_declaration): Handle variant functions.
(cp_finish_omp_declare_variant): Merge context selectors if in
a "begin declare variant" block.
(cp_parser_omp_begin): Match "omp begin declare variant". Adjust
error messages.
(cp_parser_omp_end): Match "omp end declare variant".
* parser.h (struct cp_parser): Add omp_unregistered_variants field.
* semantics.cc (finish_translation_unit): Detect unmatched
"omp begin declare variant".
2025-05-15 waffl3x <waffl3x@baylibre.com>
Tobias Burnus <tobias@codesourcery.com>
* constexpr.cc (potential_constant_expression_1): Handle
OMP_ALLOCATE.
* cp-tree.def (OMP_ALLOCATE): New tree code.
* cp-tree.h (OMP_ALLOCATE_LOCATION): Define.
(OMP_ALLOCATE_VARS): Define.
(OMP_ALLOCATE_ALLOCATOR): Define.
(OMP_ALLOCATE_ALIGN): Define.
(finish_omp_allocate): New function declaration.
* decl.cc (make_rtl_for_nonlocal_decl): Work around ICE with
implicit constexpr functions.
* parser.cc (cp_parser_omp_allocate): Use OMP_CLAUSE_ERROR,
add diagnostics for args, call finish_omp_allocate.
(cp_parser_omp_construct): Don't handle PRAGMA_OMP_ALLOCATE.
(cp_parser_pragma): Comment.
* pt.cc (tsubst_stmt): Handle OMP_ALLOCATE, call
finish_omp_allocate.
* semantics.cc (finish_omp_allocate): New function.
* typeck.cc (can_do_nrvo_p): Don't do NRVO for omp allocate vars.
2025-05-15 Julian Brown <julian@codesourcery.com>
Andrew Stubbs <ams@baylibre.com>
Kwok Cheung Yeung <kcyeung@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* parser.cc (cp_parser_omp_var_list_no_open): Support array-shaping
operator in 'declare mapper' definitions.
(cp_parser_omp_clause_from_to): Add parsing for mapper modifier.
(cp_parser_omp_clause_map): Pass C_ORT_OMP_DECLARE_MAPPER to
cp_parser_omp_var_list_no_open in mapper definitions.
(cp_parser_omp_target_update): Instantiate mappers.
2025-05-15 Julian Brown <julian@codesourcery.com>
* cp-objcp-common.cc (cp_common_init_ts): Add array-shape cast
support.
* cp-tree.def (OMP_ARRAYSHAPE_CAST_EXPR): Add tree code.
* cp-tree.h (DECLTYPE_FOR_OMP_ARRAYSHAPE_CAST): Add flag.
(cp_omp_create_arrayshape_type, cp_build_omp_arrayshape_cast): Add
prototypes.
(grok_omp_array_section, build_omp_array_section): Add stride
parameters.
* decl.cc (create_anon_array_type): New function.
(cp_omp_create_arrayshape_type): New function.
* decl2.cc (grok_omp_array_section): Add stride parameter.
(min_vis_expr_r): Add OMP_ARRAYSHAPE_CAST_EXPR support.
* error.cc (dump_expr): Add stride support for OMP_ARRAY_SECTION.
* mangle.cc (write_expression): Add OMP_ARRAYSHAPE_CAST_EXPR support.
* operators.def (OMP_ARRAYSHAPE_CAST_EXPR): Add.
* parser.cc (cp_parser_new): Initialise omp_array_shaping_op_p and
omp_has_array_shape_p fields.
(cp_parser_statement_expr): Don't allow array shaping op in statement
exprs.
(cp_parser_postfix_open_square_expression): Add stride parsing for
array sections. Use array section code to represent array refs if we
have an array-shaping operator.
(cp_parser_parenthesized_expression_list): Don't allow array-shaping
op here.
(cp_parser_cast_expression): Add array-shaping operator parsing.
(cp_parser_lambda_expression): Don't allow array-shaping op in lambda
body.
(cp_parser_braced_list): Don't allow array-shaping op in braced list.
(struct omp_dim): Add stride field.
(cp_parser_var_list_no_open): Add stride/array shape support.
(cp_parser_omp_target_update): Handle noncontiguous updates.
* parser.h (cp_parser): Add omp_array_shaping_op_p and
omp_has_array_shape_p fields.
* pt.cc (tsubst): Add array-shape cast support.
(tsubst_copy, tsubst_copy_and_build): Likewise. Add stride support for
OMP_ARRAY_SECTION.
(tsubst_omp_clause_decl): Add stride support for OMP_ARRAY_SECTION.
* semantics.cc (handle_omp_array_sections_1): Add DISCONTIGUOUS
parameter and stride support.
(omp_array_section_low_bound): New function.
(handle_omp_array_sections): Add DISCONTIGUOUS parameter and stride
support.
(finish_omp_clauses): Update calls to handle_omp_array_sections, and
add noncontiguous array update support.
(cp_build_omp_arrayshape_cast): New function.
* typeck.cc (structural_comptypes): Add array-shape cast support.
(build_omp_array_section): Add stride parameter.
(check_for_casting_away_constness): Add OMP_ARRAYSHAPE_CAST_EXPR
support.
2025-05-15 Julian Brown <julian@codesourcery.com>
* semantics.cc (handle_omp_array_sections): Pass pointer to clause
instead of clause. Add PNEXT return parameter for next clause in list
to process.
(finish_omp_clauses): Update calls to handle_omp_array_sections.
Handle cases where initial clause might be replaced.
2025-05-15 Julian Brown <julian@codesourcery.com>
* parser.cc (cp_parser_omp_target_data): Instantiate mappers for 'omp
target data'.
(cp_parser_omp_target_enter_data): Instantiate mappers for 'omp target
enter data'.
(cp_parser_omp_target_exit_data): Instantiate mappers for 'omp target
exit data'.
(cp_parser_omp_target): Add c_omp_region_type argument to
c_omp_instantiate_mappers call.
* pt.cc (tsubst_omp_clauses): Instantiate mappers for OMP regions other
than just C_ORT_OMP_TARGET.
(tsubst_expr): Update call to tsubst_omp_clauses for OMP_TARGET_UPDATE,
OMP_TARGET_ENTER_DATA, OMP_TARGET_EXIT_DATA stanza.
* semantics.cc (cxx_omp_map_array_section): Avoid calling
build_array_ref for non-array/non-pointer bases (error reported
already).
2025-05-15 Julian Brown <julian@codesourcery.com>
* constexpr.cc (reduced_constant_expression_p): Add OMP_DECLARE_MAPPER
case.
(cxx_eval_constant_expression, potential_constant_expression_1):
Likewise.
* cp-gimplify.cc (cxx_omp_finish_mapper_clauses): New function.
* cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_MAPPER_CLAUSES,
LANG_HOOKS_OMP_MAPPER_LOOKUP, LANG_HOOKS_OMP_EXTRACT_MAPPER_DIRECTIVE,
LANG_HOOKS_OMP_MAP_ARRAY_SECTION): Define langhooks.
* cp-tree.h (lang_decl_base): Add omp_declare_mapper_p field. Recount
spare bits comment.
(DECL_OMP_DECLARE_MAPPER_P): New macro.
(omp_mapper_id): Add prototype.
(cp_check_omp_declare_mapper): Add prototype.
(omp_instantiate_mappers): Add prototype.
(cxx_omp_finish_mapper_clauses): Add prototype.
(cxx_omp_mapper_lookup): Add prototype.
(cxx_omp_extract_mapper_directive): Add prototype.
(cxx_omp_map_array_section): Add prototype.
* decl.cc (check_initializer): Add OpenMP declare mapper support.
(cp_finish_decl): Set DECL_INITIAL for OpenMP declare mapper var decls
as appropriate.
* decl2.cc (mark_used): Instantiate OpenMP "declare mapper" magic var
decls.
* error.cc (dump_omp_declare_mapper): New function.
(dump_simple_decl): Use above.
* parser.cc (cp_parser_omp_clause_map): Add KIND parameter. Support
"mapper" modifier.
(cp_parser_omp_all_clauses): Add KIND argument to
cp_parser_omp_clause_map call.
(cp_parser_omp_target): Call omp_instantiate_mappers before
finish_omp_clauses.
(cp_parser_omp_declare_mapper): New function.
(cp_parser_omp_declare): Add "declare mapper" support.
* pt.cc (tsubst_decl): Adjust name of "declare mapper" magic var decls
once we know their type.
(tsubst_omp_clauses): Call omp_instantiate_mappers before
finish_omp_clauses, for target regions.
(tsubst_expr): Support OMP_DECLARE_MAPPER nodes.
(instantiate_decl): Instantiate initialiser (i.e definition) for OpenMP
declare mappers.
* semantics.cc (gimplify.h): Include.
(omp_mapper_id, omp_mapper_lookup, omp_extract_mapper_directive,
cxx_omp_map_array_section, cp_check_omp_declare_mapper): New functions.
(finish_omp_clauses): Delete GOMP_MAP_PUSH_MAPPER_NAME and
GOMP_MAP_POP_MAPPER_NAME artificial clauses.
(omp_target_walk_data): Add MAPPERS field.
(finish_omp_target_clauses_r): Scan for uses of struct/union/class type
variables.
(finish_omp_target_clauses): Create artificial mapper binding clauses
for used structs/unions/classes in offload region.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* parser.cc (cp_parser_omp_clause_uses_allocators): New.
(cp_parser_omp_clause_name, cp_parser_omp_all_clauses,
OMP_TARGET_CLAUSE_MASK): Handle uses_allocators.
* semantics.cc (finish_omp_clauses): Likewise.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
* semantics.cc (finish_omp_clauses): Adjust to allow duplicate
mapped variables for OpenMP.
2025-05-15 Julian Brown <julian@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
Nathan Sidwell <nathan@acm.org>
Kwok Cheung Yeung <kcy@codesourcery.com>
* parser.cc (cp_parser_omp_var_list_no_open): New c_omp_region_type
argument. Use it to specialize handling of OMP_CLAUSE_REDUCTION for
OpenACC.
(cp_parser_omp_var_list): Add c_omp_region_type argument. Update call
to cp_parser_omp_var_list_no_open.
(cp_parser_oacc_data_clause): Update call to
cp_parser_omp_var_list_no_open.
(cp_parser_omp_clause_reduction): Change is_omp boolean parameter to
c_omp_region_type. Update call to cp_parser_omp_var_list_no_open.
(cp_parser_omp_clause_from_to): Update call to
cp_parser_omp_clause_var_list_no_open.
(cp_parser_omp_clause_map): Likewise.
(cp_parser_omp_clause_init): Likewise.
(cp_parser_oacc_all_clauses): Update call to
cp_parser_omp_clause_reduction.
(cp_parser_omp_all_clauses): Likewise.
* semantics.cc (finish_omp_reduction_clause): Add c_omp_region_type
argument. Suppress user-defined reduction error for OpenACC.
(finish_omp_clauses): Update call to finish_omp_reduction_clause.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
PR other/76739
* semantics.cc (handle_omp_array_sections_1): Add 'bool &non_contiguous'
parameter, adjust recursive call site, add cases for allowing
pointer based multi-dimensional arrays for OpenACC. Reject
non-DECL base-pointer cases as unsupported.
(handle_omp_array_sections): Adjust handle_omp_array_sections_1 call,
handle non-contiguous case to create dynamic array map.

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2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
Tobias Burnus <tburnus@baylibre.com>
* trans-openmp.cc (gfc_trans_omp_declare_variant): Disallow
polymorphic and optional arguments with need_device_addr for now, but
don't reject need_device_addr entirely.
2025-05-15 waffl3x <waffl3x@baylibre.com>
PR c++/119659
PR c++/118859
PR c++/119601
PR c++/119602
PR c++/119775
* trans-openmp.cc (gfc_trans_omp_declare_variant): Change format of
"omp declare variant variant args" attribute.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* trans-openmp.cc (gfc_omp_deep_mapping_map): Add new argument for
vector of newly created iterators. Push new iterators onto the
vector.
(gfc_omp_deep_mapping_comps): Add new argument for vector of new
iterators. Pass argument in calls to gfc_omp_deep_mapping_item and
gfc_omp_deep_mapping_comps.
(gfc_omp_deep_mapping_item): Add new argument for vector of new
iterators. Pass argument in calls to gfc_omp_deep_mapping_map and
gfc_omp_deep_mapping_comps.
(gfc_omp_deep_mapping_do): Add new argument for vector of new
iterators. Pass argument in calls to gfc_omp_deep_mapping_item.
(gfc_omp_deep_mapping_cnt): Pass NULL to new argument for
gfc_omp_deep_mapping_do.
(gfc_omp_deep_mapping): Add new argument for vector of new
iterators. Pass argument in calls to gfc_omp_deep_mapping_do.
* trans.h (gfc_omp_deep_mapping): Add new argument.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* trans-openmp.cc (gfc_omp_deep_mapping_map): Remove const from ctx
argument. Add arguments for iterators and the statement sequence to
go into the iterator loop. Add statement sequence to iterator loop
body. Generate iterator loop entries for generated maps, insert
the map decls and sizes into the iterator element arrays, replace
original decls with the address of the element arrays, and
sizes/biases with SIZE_INT.
(gfc_omp_deep_mapping_comps): Remove const from ctx. Add argument for
iterators. Pass iterators to calls to gfc_omp_deep_mapping_item and
gfc_omp_deep_mapping_comps.
(gfc_omp_deep_mapping_item): Remove const from ctx. Add argument for
iterators. Collect generated side-effect statements and pass to
gfc_omp_deep_mapping_map along with the iterators. Pass iterators
to gfc_omp_deep_mapping_comps.
(gfc_omp_deep_mapping_do): Remove const from ctx. Pass iterators to
gfc_omp_deep_mapping_item.
(gfc_omp_deep_mapping_cnt): Remove const from ctx.
(gfc_omp_deep_mapping): Likewise.
* trans.h (gfc_omp_deep_mapping_cnt): Likewise.
(gfc_omp_deep_mapping): Likewise.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* openmp.cc (gfc_omp_instantiate_mapper): Add argument for namespace.
Apply namespace to new clauses. Propagate namespace to nested
mappers.
(gfc_omp_instantiate_mappers): Pass namespace of clause to clauses
generated by mappers.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* trans-openmp.cc (gfc_trans_omp_array_section): Use macros for
accessing iterator elements.
(handle_iterator): Likewise.
(gfc_trans_omp_clauses): Likewise.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* trans-openmp.cc (gfc_trans_omp_clauses): Disable strided updates
when iterators are used in the clause.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* dump-parse-tree.cc (show_omp_namelist): Add iterator support for
OMP_LIST_TO and OMP_LIST_FROM.
* match.cc (gfc_free_namelist): Free namespace for OMP_LIST_TO and
OMP_LIST_FROM.
* openmp.cc (gfc_free_omp_clauses): Free namespace for OMP_LIST_TO
and OMP_LIST_FROM.
(gfc_match_motion_var_list): Parse 'iterator' modifier.
(resolve_omp_clauses): Resolve iterators for OMP_LIST_TO and
OMP_LIST_FROM.
* trans-openmp.cc (gfc_trans_omp_clauses): Handle iterators in
OMP_LIST_TO and OMP_LIST_FROM clauses. Add expressions to
iter_block rather than block.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* dump-parse-tree.cc (show_omp_namelist): Add iterator support for
OMP_LIST_MAP.
* match.cc (gfc_free_namelist): Free namespace for OMP_LIST_MAP.
* openmp.cc (gfc_free_omp_clauses): Free namespace in namelist for
OMP_LIST_MAP.
(gfc_match_omp_clauses): Parse 'iterator' modifier for 'map' clause.
(resolve_omp_clauses): Resolve iterators for OMP_LIST_MAP.
* trans-openmp.cc: Include tree-ssa-loop-niter.h.
(gfc_trans_omp_array_section): Add iterator argument. Replace
instances of iterator variables with the initial value when
computing biases.
(gfc_trans_omp_clauses): Handle iterators in OMP_LIST_MAP clauses.
Add expressions to iter_block rather than block. Do not apply
iterators to firstprivate maps. Pass iterator to
gfc_trans_omp_array_section.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* trans-openmp.cc (gfc_trans_omp_array_section): Use temporaries only
when translating OpenACC.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* gfortran.h (struct gfc_omp_namelist): Move udm field into a new
union u3.
* match.cc (gfc_free_omp_namelist): Change references to u2.udm to
u3.udm.
* module.cc (load_omp_udms): Likewise.
(write_omp_udm): Likewise.
* openmp.cc (gfc_match_motion_var_list): Likewise.
(gfc_match_omp_clauses): Likewise.
(resolve_omp_clauses): Likewise.
(gfc_omp_instantiate_mapper): Likewise.
* trans-openmp.cc (gfc_trans_omp_clauses): Likewise.
(gfc_find_nested_mappers): Likewise.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* cpp.cc (cpp_define_builtins): Updated _OPENACC to "201811"
for OpenACC 2.7.
* intrinsic.texi (OpenACC Module OPENACC): Adjust version
references to 2.7 from 2.6.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* openmp.cc (oacc_reduction_defined_type_p): New function.
(resolve_omp_clauses): Adjust OpenACC array reduction error case.
Adjust OMP_LIST_REDUCTION case. Use oacc_reduction_defined_type_p for
OpenACC.
* trans-openmp.cc (gfc_trans_omp_array_reduction_or_udr):
Add 'stmtblock_t *block', and 'bool openacc' parameters. Add array and
array section handling for openacc case. Adjust part of function to be
!openacc only.
(gfc_trans_omp_reduction_list):
Add 'stmtblock_t *block', and 'bool openacc' parameters, pass to calls
to gfc_trans_omp_array_reduction_or_udr.
(gfc_trans_omp_array_section): Adjust setting of OMP_CLAUSE_SIZE to only
OMP_CLAUSE_MAP clauses. Adjust calculations of decls and bias to use
temporary variables instead of tree expression inside clauses.
(gfc_trans_omp_clauses): Add 'block' and 'openacc' arguments to calls to
gfc_trans_omp_reduction_list.
(gfc_trans_omp_do): Pass 'op == EXEC_OACC_LOOP' as 'bool openacc'
parameter in call to gfc_trans_omp_clauses.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* trans-openmp.cc (gfc_trans_omp_array_section):
Set OMP_CLAUSE_MAP_POINTS_TO_READONLY on pointer clause.
2025-05-15 Julian Brown <julian@codesourcery.com>
Andrew Stubbs <ams@baylibre.com>
Kwok Cheung Yeung <kcyeung@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* openmp.cc (gfc_match_motion_var_list): Add parsing for mapper
modifier.
(gfc_match_omp_clauses): Adjust error handling for changes to
gfc_match_motion_var_list.
(gfc_omp_instantiate_mapper): Add code argument to get proper
location for diagnostic.
(gfc_omp_instantiate_mappers): Adjust for above change.
* trans-openmp.cc (gfc_trans_omp_clauses): Use correct ref for update
operations.
(gfc_trans_omp_target_update): Instantiate mappers.
2025-05-15 Julian Brown <julian@codesourcery.com>
Sandra Loosemore <sloosemore@baylibre.com>
* trans-openmp.cc (gfc_omp_deep_map_kind_p): Handle
GOMP_MAP_{TO,FROM}_GRID, GOMP_MAP_GRID_{DIM,STRIDE}.
(gfc_trans_omp_arrayshape_type, gfc_omp_calculate_gcd,
gfc_desc_to_omp_noncontig_array, gfc_omp_contiguous_update_p): New
functions.
(gfc_trans_omp_clauses): Handle noncontiguous to/from clauses for OMP
"target update" directives.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gfortran.h (gfc_omp_namelist_udm): Add MAPPER_ID field to store the
mapper name to use for lookup during resolution.
* match.cc (gfc_free_omp_namelist): Handle OMP_LIST_TO and
OMP_LIST_FROM when freeing mapper references.
* module.cc (load_omp_udms, write_omp_udm): Handle MAPPER_ID field.
* openmp.cc (gfc_match_omp_clauses): Handle explicitly-specified
'default' name. Don't do mapper lookup here, but record mapper name if
the user specifies one.
(resolve_omp_clauses): Do mapper lookup here instead. Report error for
missing named mapper.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
* gfortran.h (gfc_omp_instantiate_mappers): Adjust declaration
to return an error status instead of void.
* openmp.cc (gfc_gomp_instantiate_mappers): Likewise for the
the definition.
* trans-openmp.cc (gfc_trans_omp_target): Check return status of
call to gfc_omp_instantiate_mappers and insert an error_mark_node
on failure instead of continuing normal processing of the construct.
(gfc_trans_omp_target_data): Likewise.
(gfc_trans_omp_target_enter_data): Likewise.
(gfc_trans_omp_target_exit_data): Likewise.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gfortran.h (gfc_omp_clauses): Add NS field.
* openmp.cc (verify_omp_clauses_symbol_dups,
omp_verify_map_motion_clauses): New functions, broken out of...
(resolve_omp_clauses): Here. Record namespace containing clauses.
Call above functions.
(resolve_omp_mapper_clauses): New function, using helper functions
broken out above.
(gfc_resolve_omp_directive): Add NS parameter to resolve_omp_clauses
calls.
(gfc_omp_instantiate_mappers): Call resolve_omp_mapper_clauses if we
instantiate any mappers.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gfortran.h (toc_directive): Move here.
(gfc_omp_instantiate_mappers, gfc_get_location): Add prototypes.
* openmp.cc (omp_split_map_op, omp_join_map_op, omp_map_decayed_kind,
omp_basic_map_kind_name, gfc_subst_replace, gfc_subst_prepend_ref,
gfc_subst_in_expr_1, gfc_subst_in_expr, gfc_subst_mapper_var): Move
here.
(gfc_omp_instantiate_mapper, gfc_omp_instantiate_mappers): Move here
and rename.
* trans-openmp.cc (toc_directive, omp_split_map_op, omp_join_map_op,
omp_map_decayed_kind, gfc_subst_replace, gfc_subst_prepend_ref,
gfc_subst_in_expr_1, gfc_subst_in_expr, gfc_subst_mapper_var,
gfc_trans_omp_instantiate_mapper, gfc_trans_omp_instantiate_mappers):
Remove from here.
(gfc_trans_omp_target, gfc_trans_omp_target_data,
gfc_trans_omp_target_enter_data, gfc_trans_omp_target_exit_data):
Rename calls to gfc_omp_instantiate_mappers.
2025-05-15 Julian Brown <julian@codesourcery.com>
* trans-openmp.cc (omp_split_map_op, omp_join_map_op,
omp_map_decayed_kind): New functions.
(gfc_trans_omp_instantiate_mapper): Add CD parameter. Implement map
kind decay.
(gfc_trans_omp_instantiate_mappers): Add CD parameter. Pass to above
function.
(gfc_trans_omp_target_data): Instantiate mappers for 'omp target data'.
(gfc_trans_omp_target_enter_data): Instantiate mappers for 'omp target
enter data'.
(gfc_trans_omp_target_exit_data): Instantiate mappers for 'omp target
exit data'.
2025-05-15 Julian Brown <julian@codesourcery.com>
* dump-parse-tree.cc (show_attr): Show omp_udm_artificial_var flag.
(show_omp_namelist): Support OMP_MAP_POINTER_ONLY and OMP_MAP_UNSET.
* f95-lang.cc (LANG_HOOKS_OMP_FINISH_MAPPER_CLAUSES,
LANG_HOOKS_OMP_EXTRACT_MAPPER_DIRECTIVE,
LANG_HOOKS_OMP_MAP_ARRAY_SECTION): Define language hooks.
* gfortran.h (gfc_statement): Add ST_OMP_DECLARE_MAPPER.
(symbol_attribute): Add omp_udm_artificial_var attribute.
(gfc_omp_map_op): Add OMP_MAP_POINTER_ONLY and OMP_MAP_UNSET.
(gfc_omp_namelist): Add udm pointer to u2 union.
(gfc_omp_udm): New struct.
(gfc_omp_namelist_udm): New struct.
(gfc_symtree): Add omp_udm pointer.
(gfc_namespace): Add omp_udm_root symtree. Add omp_udm_ns flag.
(gfc_free_omp_namelist): Update prototype.
(gfc_free_omp_udm, gfc_omp_udm_find, gfc_find_omp_udm,
gfc_resolve_omp_udms): Add prototypes.
* match.cc (gfc_free_omp_namelist): Change FREE_NS and FREE_ALIGN
parameters to LIST number, to handle freeing user-defined mapper
namelists safely.
* match.h (gfc_match_omp_declare_mapper): Add prototype.
* module.cc (ab_attribute): Add AB_OMP_DECLARE_MAPPER_VAR.
(attr_bits): Add OMP_DECLARE_MAPPER_VAR.
(mio_symbol_attribute): Read/write AB_OMP_DECLARE_MAPPER_VAR attribute.
Set referenced attr on read.
(omp_map_clause_ops, omp_map_cardinality): New arrays.
(load_omp_udms, check_omp_declare_mappers): New functions.
(read_module): Load and check OMP declare mappers.
(write_omp_udm, write_omp_udms): New functions.
(write_module): Write OMP declare mappers.
* openmp.cc (gfc_free_omp_clauses, gfc_match_omp_variable_list,
gfc_match_omp_to_link, gfc_match_omp_depend_sink,
gfc_match_omp_clause_reduction): Update calls to gfc_free_omp_namelist.
(gfc_free_omp_udm, gfc_find_omp_udm, gfc_omp_udm_find,
gfc_match_omp_declare_mapper): New functions.
(gfc_match_omp_clauses): Add DEFAULT_MAP_OP parameter. Update calls to
gfc_free_omp_namelist. Add declare mapper support.
(resolve_omp_clauses): Add declare mapper support. Update calls to
gfc_free_omp_namelist.
(gfc_resolve_omp_udm, gfc_resolve_omp_udms): New functions.
* parse.cc (decode_omp_directive): Add declare mapper support.
(case_omp_decl): Add ST_OMP_DECLARE_MAPPER case.
(gfc_ascii_statement): Add ST_OMP_DECLARE_MAPPER case.
* resolve.cc (resolve_types): Call gfc_resolve_omp_udms.
* st.cc (gfc_free_statement): Update call to gfc_free_omp_namelist.
* symbol.cc (free_omp_udm_tree): New function.
(gfc_free_namespace): Call above.
* trans-decl.cc (omp_declare_mapper_ns): New global.
(gfc_finish_var_decl, gfc_generate_function_code): Support declare
mappers.
(gfc_trans_deferred_vars): Ignore artificial declare-mapper vars.
* trans-openmp.cc (tree-iterator.h): Include.
(toc_directive): New enum.
(gfc_trans_omp_array_section): Change OP and OPENMP parameters to
toc_directive CD ('clause directive').
(gfc_omp_finish_mapper_clauses, gfc_omp_extract_mapper_directive,
gfc_omp_map_array_section): New functions.
(omp_clause_directive): New enum.
(gfc_trans_omp_clauses): Remove DECLARE_SIMD and OPENACC parameters.
Replace with toc_directive CD, defaulting to TOC_OPENMP. Add declare
mapper support and OMP_MAP_POINTER_ONLY support.
(gfc_trans_omp_construct, gfc_trans_oacc_executable_directive,
gfc_trans_oacc_combined_directive): Update calls to
gfc_trans_omp_clauses.
(gfc_subst_replace, gfc_subst_prepend_ref): New variables.
(gfc_subst_in_expr_1, gfc_subst_in_expr, gfc_subst_mapper_var,
gfc_trans_omp_instantiate_mapper, gfc_trans_omp_instantiate_mappers,
gfc_record_mapper_bindings_code_fn, gfc_record_mapper_bindings_expr_fn,
gfc_find_nested_mappers, gfc_record_mapper_bindings): New functions.
(gfc_typespec * hash traits): New template.
(omp_declare_mapper_ns): Extern declaration.
(gfc_trans_omp_target): Call gfc_trans_omp_instantiate_mappers and
gfc_record_mapper_bindings. Update calls to gfc_trans_omp_clauses.
(gfc_trans_omp_declare_simd, gfc_trans_omp_declare_variant): Update
calls to gfc_trans_omp_clauses.
(gfc_trans_omp_mapper_name, gfc_trans_omp_declare_mapper,
gfc_trans_omp_declare_mappers): New functions.
* trans-stmt.h (gfc_trans_omp_declare_mappers): Add prototype.
* trans.h (gfc_omp_finish_mapper_clauses,
gfc_omp_extract_mapper_directive, gfc_omp_map_array_section): Add
prototypes.
2025-05-15 Julian Brown <julian@codesourcery.com>
* parse.cc (tree.h, fold-const.h, tree-hash-traits.h): Add includes
(for additions to omp-general.h).
2025-05-15 Julian Brown <julian@codesourcery.com>
* trans-openmp.cc (gfc_omp_finish_clause): Treat implicitly-mapped
assumed-size arrays as zero-sized for OpenACC, rather than an error.
2025-05-15 Julian Brown <julian@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
Sandra Loosemore <sandra@baylibre.com>
* trans-openmp.cc (gfc_omp_finish_clause): Handle "declare create" for
scalar allocatable variables.
(gfc_trans_omp_clauses): Don't include allocatable vars in synthetic
"acc data" region created for "declare create" variables. Mark such
variables with the "oacc declare create" attribute instead. Don't
create ALWAYS_POINTER mapping for target-to-host updates of declare
create variables.
(gfc_trans_oacc_declare): Handle empty clause list.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* openmp.cc (resolve_omp_clauses): Apply to OpenMP target update.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* trans-array.cc (gfc_conv_array_initializer): Set PURPOSE
when building constructor for get_initialized_tmp_var.
* trans-openmp.cc (gfc_trans_omp_clauses): Handle uses_allocators.
* types.def (BT_FN_VOID_PTRMODE, BT_FN_PTRMODE_PTRMODE_INT_PTR): Add.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
* gfortran.h (enum gfc_omp_map_op): Add OMP_MAP_DECLARE_ALLOCATE,
OMP_MAP_DECLARE_DEALLOCATE.
(gfc_omp_clauses): Add update_allocatable.
* trans-array.cc (gfc_array_allocate): Call
gfc_trans_oacc_declare_allocate for decls that have oacc_declare_create
attribute set.
* trans-decl.cc (find_module_oacc_declare_clauses): Relax
oacc_declare_create to OMP_MAP_ALLOC, and oacc_declare_copyin to
OMP_MAP_TO, in order to match OpenACC 2.5 semantics.
* trans-openmp.cc (gfc_omp_check_optional_argument): Handle non-decl
case.
(gfc_trans_omp_clauses): Use GOMP_MAP_ALWAYS_POINTER (for update
directive) or GOMP_MAP_FIRSTPRIVATE_POINTER (otherwise) for
allocatable scalar decls. Handle OMP_MAP_DECLARE_{ALLOCATE,DEALLOCATE}
clauses.
(gfc_trans_oacc_executable_directive): Use GOMP_MAP_ALWAYS_POINTER
for allocatable scalar data clauses inside acc update directives.
(gfc_trans_oacc_declare_allocate): New function.
* trans-stmt.cc (gfc_trans_allocate): Call
gfc_trans_oacc_declare_allocate for decls with oacc_declare_create
attribute set.
(gfc_trans_deallocate): Likewise.
* trans.h (gfc_trans_oacc_declare_allocate): Declare.
2025-05-15 Julian Brown <julian@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
Nathan Sidwell <nathan@acm.org>
Kwok Cheung Yeung <kcy@codesourcery.com>
* trans-openmp.cc (gfc_omp_clause_copy_ctor): Permit reductions.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
James Norris <jnorris@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <tschwinge@baylibre.com>
* openmp.cc (gfc_match_omp_map_clause): Re-write handling of the
deviceptr clause. Add new common_blocks argument. Propagate it to
gfc_match_omp_variable_list.
(gfc_match_omp_clauses): Update calls to gfc_match_omp_map_clauses.
(resolve_positive_int_expr): Promote the warning to an error.
(check_array_not_assumed): Remove pointer check.
(resolve_oacc_nested_loops): Error on do concurrent loops.
* trans-openmp.cc (gfc_omp_finish_clause): Don't create pointer data
mappings for deviceptr clauses.
(gfc_trans_omp_clauses): Likewise.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
PR other/76739
* f95-lang.cc (DEF_FUNCTION_TYPE_VAR_5): New symbol.
* types.def (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_VAR): New type.

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2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
Tobias Burnus <tburnus@baylibre.com>
* c-c++-common/gomp/adjust-args-10.c: Ignore the new sorry since the
lack of proper diagnostic is already xfail'ed.
* g++.dg/gomp/adjust-args-1.C: Adjust output patterns.
* g++.dg/gomp/adjust-args-17.C: New.
* gcc.dg/gomp/adjust-args-3.c: New.
* gfortran.dg/gomp/adjust-args-14.f90: Don't expect this to fail now.
2025-05-15 waffl3x <waffl3x@baylibre.com>
PR c++/119659
PR c++/118859
PR c++/119601
PR c++/119602
PR c++/119775
* c-c++-common/gomp/pr118579.c: Change error text.
* g++.dg/gomp/adjust-args-1.C: Fix error text, add dg-* directives.
* g++.dg/gomp/adjust-args-2.C: Add dg-* directives.
* g++.dg/gomp/append-args-1.C: Add dg-* directives.
* gcc.dg/gomp/adjust-args-1.c: Fix error text, add dg-* directives.
* gcc.dg/gomp/append-args-1.c: Fix error text, add dg-* directives.
* c-c++-common/gomp/adjust-args-7.c: New test.
* c-c++-common/gomp/adjust-args-8.c: New test.
* c-c++-common/gomp/adjust-args-9.c: New test.
* c-c++-common/gomp/adjust-args-10.c: New test.
* c-c++-common/gomp/adjust-args-11.c: New test.
* c-c++-common/gomp/adjust-args-12.c: New test.
* c-c++-common/gomp/adjust-args-13.c: New test.
* c-c++-common/gomp/adjust-args-14.c: New test.
* c-c++-common/gomp/adjust-args-15.c: New test.
* g++.dg/gomp/adjust-args-5.C: New test.
* g++.dg/gomp/adjust-args-6.C: New test.
* g++.dg/gomp/adjust-args-7.C: New test.
* g++.dg/gomp/adjust-args-8.C: New test.
* g++.dg/gomp/adjust-args-9.C: New test.
* g++.dg/gomp/adjust-args-10.C: New test.
* g++.dg/gomp/adjust-args-11.C: New test.
* g++.dg/gomp/adjust-args-12.C: New test.
* g++.dg/gomp/adjust-args-13.C: New test.
* g++.dg/gomp/adjust-args-14.C: New test.
* g++.dg/gomp/adjust-args-15.C: New test.
* g++.dg/gomp/adjust-args-16.C: New test.
* g++.dg/gomp/append-args-9.C: New test.
* g++.dg/gomp/append-args-10.C: New test.
* g++.dg/gomp/append-args-11.C: New test.
* g++.dg/gomp/append-args-omp-interop-t.h: New header.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* c-c++-common/gomp/target-map-iterators-3.c: Update expected Gimple
output.
* c-c++-common/gomp/target-map-iterators-5.c: New.
* c-c++-common/gomp/target-update-iterators-3.c: Update expected
Gimple output.
* gfortran.dg/gomp/target-map-iterators-3.f90: Likewise.
* gfortran.dg/gomp/target-map-iterators-5.f90: New.
* gfortran.dg/gomp/target-update-iterators-3.f90: Update expected
Gimple output.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* gfortran.dg/gomp/target-update-iterators-1.f90: New.
* gfortran.dg/gomp/target-update-iterators-2.f90: New.
* gfortran.dg/gomp/target-update-iterators-3.f90: New.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* gfortran.dg/gomp/target-map-iterators-1.f90: New.
* gfortran.dg/gomp/target-map-iterators-2.f90: New.
* gfortran.dg/gomp/target-map-iterators-3.f90: New.
* gfortran.dg/gomp/target-map-iterators-4.f90: New.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* gfortran.dg/gomp/target-enter-exit-data.f90: Revert expected tree
dumps.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* c-c++-common/gomp/target-update-iterators-1.c: New.
* c-c++-common/gomp/target-update-iterators-2.c: New.
* c-c++-common/gomp/target-update-iterators-3.c: New.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* c-c++-common/gomp/map-6.c (foo): Amend expected error message.
* c-c++-common/gomp/target-map-iterators-1.c: New.
* c-c++-common/gomp/target-map-iterators-2.c: New.
* c-c++-common/gomp/target-map-iterators-3.c: New.
* c-c++-common/gomp/target-map-iterators-4.c: New.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* c-c++-common/cpp/openacc-define-3.c: Adjust test.
* gfortran.dg/openacc-define-3.f90: Adjust test.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* c-c++-common/goacc/readonly-2.c: Adjust test.
* c-c++-common/goacc/reduction-9.c: Adjust test.
* c-c++-common/goacc/reduction-11.c: New test.
* c-c++-common/goacc/reduction-12.c: New test.
* c-c++-common/goacc/reduction-13.c: New test.
* c-c++-common/goacc/reduction-14.c: New test.
* c-c++-common/goacc/reduction-15.c: New test.
* c-c++-common/goacc/reduction-16.c: New test.
* g++.dg/goacc/reductions-1.C: Adjust test.
* gfortran.dg/goacc/array-reduction.f90: Adjust test.
* gfortran.dg/goacc/enter-exit-data-2.f90: Adjust test.
* gfortran.dg/goacc/finalize-1.f: Adjust test.
* gfortran.dg/goacc/kernels-decompose-1.f95: Adjust test.
* gfortran.dg/goacc/pr70828.f90: Adjust test.
* gfortran.dg/goacc/reduction.f95: Adjust test.
* gfortran.dg/gomp/target-enter-exit-data.f90: Adjust test.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
* c-c++-common/gomp/delim-declare-variant-1.c: New.
* c-c++-common/gomp/delim-declare-variant-2.c: New.
* c-c++-common/gomp/delim-declare-variant-3.c: New.
* c-c++-common/gomp/delim-declare-variant-4.c: New.
* c-c++-common/gomp/delim-declare-variant-5.c: New.
* c-c++-common/gomp/delim-declare-variant-6.c: New.
* c-c++-common/gomp/delim-declare-variant-7.c: New.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
Julian Brown <julian@codesourcery.com>
waffl3x <waffl3x@baylibre.com>
* g++.dg/gomp/delim-declare-variant-1.C: New.
* g++.dg/gomp/delim-declare-variant-2.C: New.
* g++.dg/gomp/delim-declare-variant-3.C: New.
* g++.dg/gomp/delim-declare-variant-4.C: New.
* g++.dg/gomp/delim-declare-variant-5.C: New.
* g++.dg/gomp/delim-declare-variant-6.C: New.
* g++.dg/gomp/delim-declare-variant-7.C: New.
* g++.dg/gomp/delim-declare-variant-40.C: New.
* g++.dg/gomp/delim-declare-variant-41.C: New.
* g++.dg/gomp/delim-declare-variant-50.C: New.
* g++.dg/gomp/delim-declare-variant-51.C: New.
* g++.dg/gomp/delim-declare-variant-52.C: New.
* g++.dg/gomp/delim-declare-variant-70.C: New.
* g++.dg/gomp/delim-declare-variant-71.C: New.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* c-c++-common/goacc/readonly-1.c: Adjust testcase.
* c-c++-common/goacc/readonly-2.c: New testcase.
* gfortran.dg/goacc/readonly-1.f90: Adjust testcase.
* gfortran.dg/pr67170.f90: Likewise.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
* c-c++-common/gomp/uses_allocators-1.c: Adjust for this testcase
no longer failing with "sorry" in C++.
* g++.dg/gomp/allocate-15.C: Disable scan-assembler tests since
compilation fails with "sorry" before getting that far.
* g++.dg/gomp/allocate-16.C: Likewise.
2025-05-15 waffl3x <waffl3x@baylibre.com>
Tobias Burnus <tobias@codesourcery.com>
* c-c++-common/gomp/allocate-allocator-handle.h: New header.
* c-c++-common/gomp/allocate-5.c: Remove dg-messages for 'sorry',
add dg-error for c++.
* c-c++-common/gomp/allocate-9.c: Include header, remove dg-messages
for 'sorry', add dg-notes for c++, minor refactoring.
* c-c++-common/gomp/allocate-10.c: Enable for c++.
* c-c++-common/gomp/allocate-11.c: Enable for c++, disable warning.
* c-c++-common/gomp/allocate-12.c: Enable for c++, add cases.
* c-c++-common/gomp/allocate-14.c: Enable for c++.
* c-c++-common/gomp/allocate-15.c: Enable for c++.
* c-c++-common/gomp/allocate-16.c: Enable for c++.
* c-c++-common/gomp/allocate-17.c: Remove dg-message for 'sorry'.
* c-c++-common/gomp/allocate-18.c: Include header, remove dg-message
for 'sorry'.
* c-c++-common/gomp/allocate-19.c: Remove xfails for c++, remove
dg-messages for 'sorry'.
* c-c++-common/gomp/allocate-20.c: New test.
* c-c++-common/gomp/directive-1.c: Remove dg-message for 'sorry'.
* g++.dg/gomp/allocate-allocator-handle.h: New header.
* g++.dg/gomp/allocate-5.C: New test.
* g++.dg/gomp/allocate-6.C: New test.
* g++.dg/gomp/allocate-7.C: New test.
* g++.dg/gomp/allocate-8.C: New test.
* g++.dg/gomp/allocate-9.C: New test.
* g++.dg/gomp/allocate-10.C: New test.
* g++.dg/gomp/allocate-11.C: New test.
* g++.dg/gomp/allocate-12.C: New test.
* g++.dg/gomp/allocate-13.C: New test.
* g++.dg/gomp/allocate-14.C: New test.
* g++.dg/gomp/allocate-15.C: New test.
* g++.dg/gomp/allocate-16.C: New test.
* g++.dg/gomp/allocate-17.C: New test.
* g++.dg/gomp/allocate-18.C: New test.
* g++.dg/gomp/allocate-19.C: New test.
* g++.dg/gomp/allocate-20.C: New test.
* g++.dg/gomp/allocate-21.C: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
Andrew Stubbs <ams@baylibre.com>
Kwok Cheung Yeung <kcyeung@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* c-c++-common/gomp/declare-mapper-17.c: New test.
* c-c++-common/gomp/declare-mapper-19.c: New test.
* gfortran.dg/gomp/declare-mapper-24.f90: New test.
* gfortran.dg/gomp/declare-mapper-26.f90: Uncomment 'target update'
part of test.
* gfortran.dg/gomp/declare-mapper-27.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
Sandra Loosemore <sloosemore@baylibre.com>
* gfortran.dg/gomp/noncontig-updates-1.f90: New test.
* gfortran.dg/gomp/noncontig-updates-2.f90: New test.
* gfortran.dg/gomp/noncontig-updates-3.f90: New test.
* gfortran.dg/gomp/noncontig-updates-4.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gcc.dg/gomp/bad-array-shaping-c-1.c: New test.
* gcc.dg/gomp/bad-array-shaping-c-2.c: New test.
* gcc.dg/gomp/bad-array-shaping-c-3.c: New test.
* gcc.dg/gomp/bad-array-shaping-c-4.c: New test.
* gcc.dg/gomp/bad-array-shaping-c-5.c: New test.
* gcc.dg/gomp/bad-array-shaping-c-6.c: New test.
* gcc.dg/gomp/bad-array-shaping-c-7.c: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* g++.dg/gomp/array-shaping-1.C: New test.
* g++.dg/gomp/array-shaping-2.C: New test.
* g++.dg/gomp/bad-array-shaping-1.C: New test.
* g++.dg/gomp/bad-array-shaping-2.C: New test.
* g++.dg/gomp/bad-array-shaping-3.C: New test.
* g++.dg/gomp/bad-array-shaping-4.C: New test.
* g++.dg/gomp/bad-array-shaping-5.C: New test.
* g++.dg/gomp/bad-array-shaping-6.C: New test.
* g++.dg/gomp/bad-array-shaping-7.C: New test.
* g++.dg/gomp/bad-array-shaping-8.C: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gfortran.dg/gomp/declare-mapper-31.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gfortran.dg/gomp/declare-mapper-26.f90: New test.
* gfortran.dg/gomp/declare-mapper-29.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-c++-common/gomp/declare-mapper-15.c: New test.
* c-c++-common/gomp/declare-mapper-16.c: New test.
* g++.dg/gomp/declare-mapper-1.C: Adjust expected scan output.
* gfortran.dg/gomp/declare-mapper-22.f90: New test.
* gfortran.dg/gomp/declare-mapper-23.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gfortran.dg/gomp/declare-mapper-1.f90: New test.
* gfortran.dg/gomp/declare-mapper-5.f90: New test.
* gfortran.dg/gomp/declare-mapper-14.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-c++-common/gomp/declare-mapper-3.c: Enable for C.
* c-c++-common/gomp/declare-mapper-4.c: Likewise.
* c-c++-common/gomp/declare-mapper-5.c: Likewise.
* c-c++-common/gomp/declare-mapper-6.c: Likewise.
* c-c++-common/gomp/declare-mapper-7.c: Likewise.
* c-c++-common/gomp/declare-mapper-8.c: Likewise.
* c-c++-common/gomp/declare-mapper-9.c: Likewise.
* c-c++-common/gomp/declare-mapper-12.c: Enable for C.
* gcc.dg/gomp/declare-mapper-10.c: New test.
* gcc.dg/gomp/declare-mapper-11.c: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-c++-common/gomp/map-6.c: Update error scan output.
* c-c++-common/gomp/declare-mapper-3.c: New test (only enabled for C++
for now).
* c-c++-common/gomp/declare-mapper-4.c: Likewise.
* c-c++-common/gomp/declare-mapper-5.c: Likewise.
* c-c++-common/gomp/declare-mapper-6.c: Likewise.
* c-c++-common/gomp/declare-mapper-7.c: Likewise.
* c-c++-common/gomp/declare-mapper-8.c: Likewise.
* c-c++-common/gomp/declare-mapper-9.c: Likewise.
* c-c++-common/gomp/declare-mapper-12.c: Likewise.
* g++.dg/gomp/declare-mapper-1.C: New test.
* g++.dg/gomp/declare-mapper-2.C: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
Thomas Schwinge <tschwinge@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* c-c++-common/goacc/combined-reduction.c: Adjust scan output.
* c-c++-common/goacc/implied-copy-1.c: Likewise.
* c-c++-common/goacc/reduction-1.c: Adjust patterns.
* c-c++-common/goacc/reduction-2.c: Likewise.
* c-c++-common/goacc/reduction-3.c: Likewise.
* c-c++-common/goacc/reduction-4.c: Likewise.
* c-c++-common/goacc/reduction-10.c: Likewise.
* gfortran.dg/goacc/common-block-3.f90: Likewise.
* gfortran.dg/goacc/implied-copy-1.f90: Likewise.
* gfortran.dg/goacc/loop-tree-1.f90: Likewise.
* gfortran.dg/goacc/private-explicit-kernels-1.f95: Likewise.
* gfortran.dg/goacc/private-predetermined-kernels-1.f95: Likewise.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gfortran.dg/goacc/assumed-size.f90: Don't expect error.
2025-05-15 Julian Brown <julian@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
Sandra Loosemore <sandra@baylibre.com>
* c-c++-common/goacc/readonly-1.c: Adjust patterns.
2025-05-15 Julian Brown <julian@codesourcery.com>
* c-c++-common/goacc/acc-data-chain.c: New test.
* gfortran.dg/goacc/pr70828.f90: Likewise.
* gfortran.dg/goacc/assumed-size.f90: Likewise.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* gfortran.dg/gomp/allocate-1.f90: Add uses_allocators.
* gfortran.dg/gomp/scope-6.f90: Update dg-scan-tree-dump.
* c-c++-common/gomp/uses_allocators-1.c: New test.
* c-c++-common/gomp/uses_allocators-2.c: New test.
* gfortran.dg/gomp/uses_allocators-1.f90: New test.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
Sandra Loosemore <sloosemore@baylibre.com>
* c-c++-common/goacc/kernels-decompose-pr103836-1-2.c: Adjust xfails.
* c-c++-common/goacc/kernels-decompose-pr103836-1-3.c: Likewise.
* c-c++-common/goacc/kernels-decompose-pr103836-1-4.c: Likewise.
* c-c++-common/goacc/kernels-decompose-pr104061-1-2.c: Likewise.
* c-c++-common/goacc/kernels-decompose-pr104061-1-3.c: Likewise.
* c-c++-common/goacc/kernels-decompose-pr104061-1-4.c: Likewise.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
* c-c++-common/gomp/clauses-2.c: Adjust testcase.
* c-c++-common/gomp/map-6.c: Adjust testcase.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
* gfortran.dg/goacc/declare-allocatable-1.f90: New test.
* gfortran.dg/goacc/declare-3.f95: Adjust expected dump output.
2025-05-15 Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Sandra Loosemore <sandra@baylibre.com>
* gfortran.dg/goacc/privatization-1-compute-loop.f90: Add xfails.
* gfortran.dg/goacc/privatization-1-compute.f90: Likewise.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Sandra Loosemore <sloosemore@baylibre.com>
* gfortran.dg/goacc/modules.f95: Remove xfail on bogus warnings.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Chung-Lin Tang <cltang@codesourcery.com>
* c-c++-common/goacc/reduction-10.c: New test.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
* c-c++-common/goacc/loop-auto-1.c: Adjust test case to conform to
the new behavior of the auto clause in OpenACC 2.5.
* c-c++-common/goacc/loop-auto-2.c: Likewise.
* gcc.dg/goacc/loop-processing-1.c: Likewise.
* c-c++-common/goacc/loop-auto-3.c: New test.
* gfortran.dg/goacc/loop-auto-1.f90: New test.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
James Norris <jnorris@codesourcery.com>
Tom de Vries <tom@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tobias Burnus <tburnus@baylibre.com>
* g++.dg/goacc/loop-1.c: New test.
* g++.dg/goacc/loop-2.c: New test.
* g++.dg/goacc/loop-3.c: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
Nathan Sidwell <nathan@acm.org>
* c-c++-common/goacc/reduction-9.c: New.
* g++.dg/goacc/reductions-1.C: New.
* gcc.dg/goacc/loop-processing-1.c: Update.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
James Norris <jnorris@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <tschwinge@baylibre.com>
* c-c++-common/goacc/deviceptr-4.c: Update.
* gfortran.dg/goacc/loop-2-kernels-tile.f95: Update.
* gfortran.dg/goacc/loop-2-parallel-tile.f95: Update.
* gfortran.dg/goacc/loop-2-serial-tile.f95: Update.
* gfortran.dg/goacc/sie.f95: Update.
* gfortran.dg/goacc/tile-1.f90: Update.
* gfortran.dg/gomp/num-teams-2.f90: Update.
* gfortran.dg/gomp/pr67500.f90: Update.
* gfortran.dg/gomp/pr77516.f90: Update.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
PR other/76739
* c-c++-common/goacc/data-clause-1.c (foo): Remove expected message.
* c-c++-common/goacc/noncontig_array-1.c: New test.
* g++.dg/goacc/data-clause-1.C (foo): Remove expected message.

45
include/ChangeLog.omp Normal file
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@ -0,0 +1,45 @@
2025-05-15 Julian Brown <julian@codesourcery.com>
* gomp-constants.h (gomp_map_kind): Add GOMP_MAP_TO_GRID,
GOMP_MAP_FROM_GRID, GOMP_MAP_GRID_DIM, GOMP_MAP_GRID_STRIDE map kinds.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gomp-constants.h (gomp_map_kind): Add GOMP_MAP_MAPPING_GROUP.
2025-05-15 Julian Brown <julian@codesourcery.com>
* gomp-constants.h (gomp_map_kind): Add GOMP_MAP_UNSET,
GOMP_MAP_PUSH_MAPPER_NAME, GOMP_MAP_POP_MAPPER_NAME artificial mapping
clause types.
2025-05-15 Julian Brown <julian@codesourcery.com>
Thomas Schwinge <tschwinge@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* gomp-constants.h (GOMP_MAP_NONCONTIG_ARRAY_P): Tweak condition.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
* gomp-constants.h (enum gomp_map_kind): Define
GOMP_MAP_DECLARE_{ALLOCATE,DEALLOCATE} and GOMP_MAP_FLAG_SPECIAL_4.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
PR other/76739
* gomp-constants.h (GOMP_MAP_FLAG_SPECIAL_3): Define.
(enum gomp_map_kind): Add GOMP_MAP_NONCONTIG_ARRAY,
GOMP_MAP_NONCONTIG_ARRAY_TO, GOMP_MAP_NONCONTIG_ARRAY_FROM,
GOMP_MAP_NONCONTIG_ARRAY_TOFROM, GOMP_MAP_NONCONTIG_ARRAY_FORCE_TO,
GOMP_MAP_NONCONTIG_ARRAY_FORCE_FROM,
GOMP_MAP_NONCONTIG_ARRAY_FORCE_TOFROM,
GOMP_MAP_NONCONTIG_ARRAY_ALLOC, GOMP_MAP_NONCONTIG_ARRAY_FORCE_ALLOC,
GOMP_MAP_NONCONTIG_ARRAY_FORCE_PRESENT.
(GOMP_MAP_NONCONTIG_ARRAY_P): Define.

10
libgcc/ChangeLog.omp Normal file
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@ -0,0 +1,10 @@
2025-05-15 Thomas Schwinge <tschwinge@baylibre.com>
Backported from master:
2025-04-25 Thomas Schwinge <tschwinge@baylibre.com>
PR target/119853
PR target/119854
* config/gcn/crt0.c (_fini_array): Call
'__GCC_offload___cxa_finalize'.
* config/nvptx/gbl-ctors.c (__static_do_global_dtors): Likewise.

847
libgomp/ChangeLog.omp Normal file
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@ -0,0 +1,847 @@
2025-05-15 Tobias Burnus <tburnus@baylibre.com>
Backported from master:
2025-05-09 Tobias Burnus <tburnus@baylibre.com>
* testsuite/libgomp.c/interop-cuda-full.c: Use 'link' instead
of 'run' when the default device is "! offload_device_nvptx".
* testsuite/libgomp.c/interop-cuda-libonly.c: Likewise.
* testsuite/libgomp.c/interop-hip-nvidia-full.c: Likewise.
* testsuite/libgomp.c/interop-hip-nvidia-no-headers.c: Likewise.
* testsuite/libgomp.c/interop-hip-nvidia-no-hip-header.c: Likewise.
* testsuite/libgomp.fortran/interop-hip-nvidia-full.F90: Likewise.
* testsuite/libgomp.fortran/interop-hip-nvidia-no-module.F90: Likewise.
* testsuite/libgomp.c/interop-hip-amd-full.c: Use 'link' instead
of 'run' when the default device is "! offload_device_gcn".
* testsuite/libgomp.c/interop-hip-amd-no-hip-header.c: Likewise.
* testsuite/libgomp.fortran/interop-hip-amd-full.F90: Likewise.
* testsuite/libgomp.fortran/interop-hip-amd-no-module.F90: Likewise.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
Tobias Burnus <tburnus@baylibre.com>
* libgomp.texi: Mark need_device_addr as supported.
* testsuite/libgomp.c++/need-device-ptr.C: New.
* testsuite/libgomp.c-c++-common/dispatch-3.c: New.
* testsuite/libgomp.fortran/adjust-args-array-descriptor.f90: New.
* testsuite/libgomp.fortran/need-device-ptr.f90: New.
2025-05-15 waffl3x <waffl3x@baylibre.com>
PR c++/119659
PR c++/118859
PR c++/119601
PR c++/119602
PR c++/119775
* libgomp.texi: Set 'adjust args' variadic arguments support to Y.
2025-05-15 Andrew Stubbs <ams@baylibre.com>
Backported from master:
2025-04-25 Andrew Stubbs <ams@baylibre.com>
* testsuite/libgomp.c/interop-hsa.c: New test.
2025-05-15 Thomas Schwinge <tschwinge@baylibre.com>
Backported from master:
2025-04-25 Thomas Schwinge <tschwinge@baylibre.com>
PR target/119853
PR target/119854
* target-cxa-dso-dtor.c: New.
* config/accel/target-cxa-dso-dtor.c: Likewise.
* Makefile.am (libgomp_la_SOURCES): Add it.
* Makefile.in: Regenerate.
* testsuite/libgomp.c++/target-cdtor-1.C: New.
* testsuite/libgomp.c++/target-cdtor-2.C: Likewise.
2025-05-15 Thomas Schwinge <tschwinge@baylibre.com>
Backported from master:
2025-04-25 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/libgomp.c-c++-common/target-cdtor-1.c: New.
2025-05-15 Andrew Pinski <quic_apinski@quicinc.com>
Backported from master:
2025-04-25 Andrew Pinski <quic_apinski@quicinc.com>
Thomas Schwinge <tschwinge@baylibre.com>
PR target/119737
* testsuite/libgomp.c++/target-exceptions-throw-1.C: Remove
PR119737 XFAILing.
* testsuite/libgomp.c++/target-exceptions-throw-2.C: Likewise.
* testsuite/libgomp.oacc-c++/exceptions-throw-1.C: Likewise.
* testsuite/libgomp.oacc-c++/exceptions-throw-2.C: Likewise.
2025-05-15 Thomas Schwinge <tschwinge@baylibre.com>
Backported from master:
2025-04-25 Thomas Schwinge <tschwinge@baylibre.com>
PR target/118794
* testsuite/libgomp.c++/target-exceptions-pr118794-1.C: Adjust for
'targetm.arm_eabi_unwinder'.
* testsuite/libgomp.c++/target-exceptions-pr118794-1-offload-sorry-GCN.C:
Likewise.
* testsuite/libgomp.c++/target-exceptions-pr118794-1-offload-sorry-nvptx.C:
Likewise.
2025-05-15 Tobias Burnus <tburnus@baylibre.com>
Backported from master:
2025-04-24 Tobias Burnus <tburnus@baylibre.com>
* testsuite/lib/libgomp.exp
(check_effective_target_gomp_hip_header_nvidia): Compile with
"-Wno-deprecated-declarations".
* testsuite/libgomp.c/interop-hip-nvidia-full.c: Likewise.
* testsuite/libgomp.c/interop-hipblas-nvidia-full.c: Likewise.
* testsuite/libgomp.c/interop-hipblas.h: Add workarounds
when using the HIP headers with __HIP_PLATFORM_NVIDIA__.
2025-05-15 Tobias Burnus <tburnus@baylibre.com>
Backported from master:
2025-04-24 Tobias Burnus <tburnus@baylibre.com>
* testsuite/lib/libgomp.exp (check_effective_target_openacc_cublas,
check_effective_target_openacc_cudart): Update description as
the check requires more.
(check_effective_target_openacc_libcuda,
check_effective_target_openacc_libcublas,
check_effective_target_openacc_libcudart,
check_effective_target_gomp_hip_header_amd,
check_effective_target_gomp_hip_header_nvidia,
check_effective_target_gomp_hipfort_module,
check_effective_target_gomp_libamdhip64,
check_effective_target_gomp_libhipblas): New.
* testsuite/libgomp.c-c++-common/interop-2.c: New test.
* testsuite/libgomp.c/interop-cublas-full.c: New test.
* testsuite/libgomp.c/interop-cublas-libonly.c: New test.
* testsuite/libgomp.c/interop-cuda-full.c: New test.
* testsuite/libgomp.c/interop-cuda-libonly.c: New test.
* testsuite/libgomp.c/interop-hip-amd-full.c: New test.
* testsuite/libgomp.c/interop-hip-amd-no-hip-header.c: New test.
* testsuite/libgomp.c/interop-hip-nvidia-full.c: New test.
* testsuite/libgomp.c/interop-hip-nvidia-no-headers.c: New test.
* testsuite/libgomp.c/interop-hip-nvidia-no-hip-header.c: New test.
* testsuite/libgomp.c/interop-hip.h: New test.
* testsuite/libgomp.c/interop-hipblas-amd-full.c: New test.
* testsuite/libgomp.c/interop-hipblas-amd-no-hip-header.c: New test.
* testsuite/libgomp.c/interop-hipblas-nvidia-full.c: New test.
* testsuite/libgomp.c/interop-hipblas-nvidia-no-headers.c: New test.
* testsuite/libgomp.c/interop-hipblas-nvidia-no-hip-header.c: New test.
* testsuite/libgomp.c/interop-hipblas.h: New test.
* testsuite/libgomp.fortran/interop-hip-amd-full.F90: New test.
* testsuite/libgomp.fortran/interop-hip-amd-no-module.F90: New test.
* testsuite/libgomp.fortran/interop-hip-nvidia-full.F90: New test.
* testsuite/libgomp.fortran/interop-hip-nvidia-no-module.F90: New test.
* testsuite/libgomp.fortran/interop-hip.h: New test.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* testsuite/libgomp.fortran/allocatable-comp-iterators.f90: Add test
for non-const iterator boundaries.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* testsuite/libgomp.fortran/allocatable-comp-iterators.f90: New.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* testsuite/libgomp.fortran/mapper-iterators-1.f90: New test.
* testsuite/libgomp.fortran/mapper-iterators-2.f90: New test.
* testsuite/libgomp.fortran/mapper-iterators-3.f90: New test.
* testsuite/libgomp.fortran/mapper-iterators-4.f90: New test.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* testsuite/libgomp.c-c++-common/mapper-iterators-1.c: New test.
* testsuite/libgomp.c-c++-common/mapper-iterators-2.c: New test.
* testsuite/libgomp.c-c++-common/mapper-iterators-3.c: New test.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* testsuite/libgomp.c-c++-common/target-map-iterators-4.c: New.
* testsuite/libgomp.c-c++-common/target-map-iterators-5.c: New.
* testsuite/libgomp.c-c++-common/target-update-iterators-4.c: New.
* testsuite/libgomp.fortran/target-map-iterators-4.f90: New.
* testsuite/libgomp.fortran/target-map-iterators-5.f90: New.
* testsuite/libgomp.fortran/target-update-iterators-4.f90: New.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* testsuite/libgomp.fortran/target-update-iterators-1.f90: New.
* testsuite/libgomp.fortran/target-update-iterators-2.f90: New.
* testsuite/libgomp.fortran/target-update-iterators-3.f90: New.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* target.c (kind_to_name): Handle GOMP_MAP_STRUCT and
GOMP_MAP_STRUCT_UNORD.
(gomp_add_map): New.
(gomp_merge_iterator_maps): Expand fields of a struct mapping
breadth-first.
* testsuite/libgomp.fortran/target-map-iterators-1.f90: New.
* testsuite/libgomp.fortran/target-map-iterators-2.f90: New.
* testsuite/libgomp.fortran/target-map-iterators-3.f90: New.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
* target.c (gomp_update): Call gomp_merge_iterator_maps. Free
allocated variables.
* testsuite/libgomp.c-c++-common/target-update-iterators-1.c: New.
* testsuite/libgomp.c-c++-common/target-update-iterators-2.c: New.
* testsuite/libgomp.c-c++-common/target-update-iterators-3.c: New.
2025-05-15 Kwok Cheung Yeung <kcyeung@baylibre.com>
Andrew Stubbs <ams@baylibre.com>
* target.c (kind_to_name): New.
(gomp_merge_iterator_maps): New.
(gomp_map_vars_internal): Call gomp_merge_iterator_maps. Copy
address of only the first iteration to target vars. Free allocated
variables.
* testsuite/libgomp.c-c++-common/target-map-iterators-1.c: New.
* testsuite/libgomp.c-c++-common/target-map-iterators-2.c: New.
* testsuite/libgomp.c-c++-common/target-map-iterators-3.c: New.
2025-05-15 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/libgomp.oacc-c++/exceptions-bad_cast-3.C: Adjust.
* testsuite/libgomp.oacc-c++/exceptions-throw-3.C: Likewise.
* testsuite/libgomp.oacc-c++/pr119692-1-1.C: Likewise.
* testsuite/libgomp.oacc-c++/pr119692-1-2.C: Likewise.
* testsuite/libgomp.oacc-c++/pr119692-1-3.C: Likewise.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* acc_prof.h (_ACC_PROF_INFO_VERSION): Adjust to 201811.
* libgomp.texi (Enabling OpenACC): Adjust version
references to 2.7 from 2.6.
* openacc.f90 (module openacc): Adjust openacc_version to 201811.
* openacc_lib.h (openacc_version): Adjust openacc_version to 201811.
* testsuite/libgomp.oacc-c-c++-common/acc_prof-version-1.c:
Adjust test value to 201811.
* testsuite/libgomp.oacc-fortran/openacc_version-1.f: Adjust
test value to 201811.
* testsuite/libgomp.oacc-fortran/openacc_version-2.f90: Likewise.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* testsuite/libgomp.oacc-c-c++-common/reduction-arrays-2.c: Adjust test.
* testsuite/libgomp.oacc-c-c++-common/reduction-arrays-3.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/reduction-arrays-4.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/reduction-arrays-5.c: Likewise.
2025-05-15 Chung-Lin Tang <cltang@baylibre.com>
* testsuite/libgomp.oacc-c-c++-common/reduction.h
(check_reduction_array_xx): New macro.
(operator_apply): Likewise.
(check_reduction_array_op): Likewise.
(check_reduction_arraysec_op): Likewise.
(function_apply): Likewise.
(check_reduction_array_macro): Likewise.
(check_reduction_arraysec_macro): Likewise.
(check_reduction_xxx_xx_all): Likewise.
* testsuite/libgomp.oacc-c-c++-common/reduction-arrays-1.c: New test.
* testsuite/libgomp.oacc-c-c++-common/reduction-arrays-2.c: New test.
* testsuite/libgomp.oacc-c-c++-common/reduction-arrays-3.c: New test.
* testsuite/libgomp.oacc-c-c++-common/reduction-arrays-4.c: New test.
* testsuite/libgomp.oacc-c-c++-common/reduction-arrays-5.c: New test.
* testsuite/libgomp.oacc-c-c++-common/reduction-structs-1.c: New test.
* testsuite/libgomp.oacc-fortran/reduction-10.f90: New test.
* testsuite/libgomp.oacc-fortran/reduction-11.f90: New test.
* testsuite/libgomp.oacc-fortran/reduction-12.f90: New test.
* testsuite/libgomp.oacc-fortran/reduction-13.f90: New test.
* testsuite/libgomp.oacc-fortran/reduction-14.f90: New test.
* testsuite/libgomp.oacc-fortran/reduction-15.f90: New test.
* testsuite/libgomp.oacc-fortran/reduction-16.f90: New test.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
* testsuite/libgomp.c-c++-common/delim-declare-variant-1.c: New.
2025-05-15 Sandra Loosemore <sloosemore@baylibre.com>
Julian Brown <julian@codesourcery.com>
waffl3x <waffl3x@baylibre.com>
* testsuite/libgomp.c++/delim-declare-variant-1.C: New.
* testsuite/libgomp.c++/delim-declare-variant-2.C: New.
* testsuite/libgomp.c++/delim-declare-variant-7.C: New.
2025-05-15 Paul-Antoine Arras <parras@baylibre.com>
* target.c (omp_target_memcpy_rect_worker): Require unit strides
and matching element size.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
Backported from master:
2025-05-01 Tobias Burnus <tobias@codesourcery.com>
* testsuite/libgomp.fortran/allocate-8a.f90: New test.
2025-05-15 waffl3x <waffl3x@baylibre.com>
Tobias Burnus <tobias@codesourcery.com>
* libgomp.texi: Document C++ support.
* testsuite/libgomp.c/allocate-4.c: Move to...
* testsuite/libgomp.c-c++-common/allocate-4.c: ...here.
* testsuite/libgomp.c/allocate-5.c: Move to...
* testsuite/libgomp.c-c++-common/allocate-5.c: ...here.
* testsuite/libgomp.c/allocate-6.c: Move to...
* testsuite/libgomp.c-c++-common/allocate-6.c: ...here.
* testsuite/libgomp.c++/allocate-2.C: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* target.c (omp_target_memcpy_rect_worker): Add 1D strided transfer
support.
2025-05-15 Andrew Stubbs <ams@codesourcery.com>
* config/gcn/target.c (GOMP_target_ext): Add "signal" field.
Fix atomics race condition.
* config/nvptx/libgomp-nvptx.h (REV_OFFLOAD_QUEUE_SIZE): New define.
(struct rev_offload): Implement ring buffer.
* config/nvptx/target.c (GOMP_target_ext): Likewise.
* env.c (initialize_env): Read GOMP_REVERSE_OFFLOAD_THREADS.
* libgomp-plugin.c (GOMP_PLUGIN_target_rev): Replace "aq" parameter
with "signal" and "use_aq".
* libgomp-plugin.h (GOMP_PLUGIN_target_rev): Likewise.
* libgomp.h (gomp_target_rev): Likewise.
* plugin/plugin-gcn.c (process_reverse_offload): Add "signal".
(console_output): Pass signal value through.
* plugin/plugin-nvptx.c (GOMP_OFFLOAD_openacc_async_construct):
Attach new threads to the numbered device.
Change the flag to CU_STREAM_NON_BLOCKING.
(GOMP_OFFLOAD_run): Implement ring-buffer and remove signalling.
* target.c (gomp_target_rev): Rename to ...
(gomp_target_rev_internal): ... this, and change "dev_num" to
"devicep".
(gomp_target_rev_worker_thread): New function.
(gomp_target_rev): New function (old name).
* libgomp.texi: Document GOMP_REVERSE_OFFLOAD_THREADS.
* testsuite/libgomp.c/reverse-offload-threads-1.c: New test.
* testsuite/libgomp.c/reverse-offload-threads-2.c: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
Andrew Stubbs <ams@baylibre.com>
Kwok Cheung Yeung <kcyeung@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* testsuite/libgomp.c-c++-common/declare-mapper-18.c: New test.
* testsuite/libgomp.fortran/declare-mapper-25.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-28.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
Sandra Loosemore <sloosemore@baylibre.com>
* libgomp.h (omp_noncontig_array_desc): Add span field.
* target.c (omp_target_memcpy_rect_worker): Add span parameter. Update
forward declaration. Handle span != element_size.
(gomp_update): Handle bias in descriptor's size slot. Update calls to
omp_target_memcpy_rect_worker.
* testsuite/libgomp.fortran/noncontig-updates-1.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-2.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-3.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-4.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-5.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-6.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-7.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-8.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-9.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-10.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-11.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-12.f90: New test.
* testsuite/libgomp.fortran/noncontig-updates-13.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.c-c++-common/array-shaping-14.c: New test.
* testsuite/libgomp.c/array-shaping-1.c: New test.
* testsuite/libgomp.c/array-shaping-2.c: New test.
* testsuite/libgomp.c/array-shaping-3.c: New test.
* testsuite/libgomp.c/array-shaping-4.c: New test.
* testsuite/libgomp.c/array-shaping-5.c: New test.
* testsuite/libgomp.c/array-shaping-6.c: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* libgomp.h (omp_noncontig_array_desc): New struct.
* target.c (omp_target_memcpy_rect_worker): Add stride array
parameter. Forward declare. Add STRIDES parameter and strided
update support.
(gomp_update): Add noncontiguous (strided/shaped) update support.
* testsuite/libgomp.c++/array-shaping-1.C: New test.
* testsuite/libgomp.c++/array-shaping-2.C: New test.
* testsuite/libgomp.c++/array-shaping-3.C: New test.
* testsuite/libgomp.c++/array-shaping-4.C: New test.
* testsuite/libgomp.c++/array-shaping-5.C: New test.
* testsuite/libgomp.c++/array-shaping-6.C: New test.
* testsuite/libgomp.c++/array-shaping-7.C: New test.
* testsuite/libgomp.c++/array-shaping-8.C: New test.
* testsuite/libgomp.c++/array-shaping-9.C: New test.
* testsuite/libgomp.c++/array-shaping-10.C: New test.
* testsuite/libgomp.c++/array-shaping-11.C: New test.
* testsuite/libgomp.c++/array-shaping-12.C: New test.
* testsuite/libgomp.c++/array-shaping-13.C: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.fortran/declare-mapper-30.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-4.f90: Adjust test for new
lookup behaviour.
2025-05-15 Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.fortran/declare-mapper-2.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-3.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-4.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-6.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-7.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-8.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-9.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-10.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-11.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-12.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-13.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-15.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-17.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-18.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-19.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-20.f90: New test.
* testsuite/libgomp.fortran/declare-mapper-21.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.c-c++-common/declare-mapper-9.c: Enable for C.
* testsuite/libgomp.c-c++-common/declare-mapper-10.c: Likewise.
* testsuite/libgomp.c-c++-common/declare-mapper-11.c: Likewise.
* testsuite/libgomp.c-c++-common/declare-mapper-12.c: Likewise.
* testsuite/libgomp.c-c++-common/declare-mapper-13.c: Likewise.
* testsuite/libgomp.c-c++-common/declare-mapper-14.c: Likewise.
2025-05-15 Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.c++/declare-mapper-1.C: New test.
* testsuite/libgomp.c++/declare-mapper-2.C: New test.
* testsuite/libgomp.c++/declare-mapper-3.C: New test.
* testsuite/libgomp.c++/declare-mapper-4.C: New test.
* testsuite/libgomp.c++/declare-mapper-5.C: New test.
* testsuite/libgomp.c++/declare-mapper-6.C: New test.
* testsuite/libgomp.c++/declare-mapper-7.C: New test.
* testsuite/libgomp.c++/declare-mapper-8.C: New test.
* testsuite/libgomp.c-c++-common/declare-mapper-9.c: New test (only
enabled for C++ for now).
* testsuite/libgomp.c-c++-common/declare-mapper-10.c: Likewise.
* testsuite/libgomp.c-c++-common/declare-mapper-11.c: Likewise.
* testsuite/libgomp.c-c++-common/declare-mapper-12.c: Likewise.
* testsuite/libgomp.c-c++-common/declare-mapper-13.c: Likewise.
* testsuite/libgomp.c-c++-common/declare-mapper-14.c: Likewise.
2025-05-15 Julian Brown <julian@codesourcery.com>
Thomas Schwinge <tschwinge@baylibre.com>
Sandra Loosemore <sloosemore@baylibre.com>
* testsuite/libgomp.oacc-c-c++-common/implicit-mapping-1.c: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.oacc-fortran/nonlexical-assumed-size-1.f90: New
test.
* testsuite/libgomp.oacc-fortran/nonlexical-assumed-size-2.f90: New
test.
2025-05-15 Julian Brown <julian@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
Sandra Loosemore <sandra@baylibre.com>
* testsuite/libgomp.oacc-fortran/declare-allocatable-1-directive.f90:
Remove xfails.
* testsuite/libgomp.oacc-fortran/declare-allocatable-1-runtime.f90:
Remove xfails.
* testsuite/libgomp.oacc-fortran/declare-allocatable-1.f90:
Remove xfails.
* testsuite/libgomp.oacc-fortran/declare-create-1.f90: New test.
* testsuite/libgomp.oacc-fortran/declare-create-2.f90: New test.
* testsuite/libgomp.oacc-fortran/declare-create-3.f90: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.oacc-c-c++-common/pr70828.c: New test.
* testsuite/libgomp.oacc-c-c++-common/pr70828-2.c: Likewise.
* testsuite/libgomp.oacc-fortran/pr70828.f90: Likewise.
* testsuite/libgomp.oacc-fortran/pr70828-2.f90: Likewise.
* testsuite/libgomp.oacc-fortran/pr70828-3.f90: Likewise.
* testsuite/libgomp.oacc-fortran/pr70828-4.f90: Likewise.
* testsuite/libgomp.oacc-fortran/pr70828-5.f90: Likewise.
* testsuite/libgomp.oacc-fortran/pr70828-6.f90: Likewise.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Backported from master:
2023-05-19 Chung-Lin Tang <cltang@codesourcery.com>
* config/nvptx/team.c (__nvptx_omp_num_threads): New global variable in
shared memory.
* testsuite/libgomp.c-c++-common/for-17.c: New file.
* testsuite/libgomp.c-c++-common/for-18.c: New file.
2025-05-15 Thomas Schwinge <thomas@codesourcery.com>
* libgomp.texi (AMD Radeon, nvptx): Document OpenMP 'pinned'
memory.
2025-05-15 Thomas Schwinge <thomas@codesourcery.com>
* target.c (gomp_unmap_vars_internal): Queue splay-tree keys for
removal after main loop.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* testsuite/libgomp.fortran/target-enter-data-3a.f90: New test.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* testsuite/libgomp.fortran/target-13.f90: Update test.
2025-05-15 Tobias Burnus <tobias@codesourcery.com>
* testsuite/libgomp.c++/c++.exp (check_effective_target_c,
check_effective_target_c++): Add.
* testsuite/libgomp.c/c.exp (check_effective_target_c,
check_effective_target_c++): Add.
* testsuite/libgomp.fortran/uses_allocators_2.f90: Remove 'sorry'.
* testsuite/libgomp.c-c++-common/uses_allocators-1.c: New test.
* testsuite/libgomp.c-c++-common/uses_allocators-2.c: New test.
* testsuite/libgomp.c-c++-common/uses_allocators-3.c: New test.
* testsuite/libgomp.c-c++-common/uses_allocators-4.c: New test.
* testsuite/libgomp.fortran/uses_allocators_3.f90: New test.
* testsuite/libgomp.fortran/uses_allocators_4.f90: New test.
* testsuite/libgomp.fortran/uses_allocators_5.f90: New test.
* testsuite/libgomp.fortran/uses_allocators_6.f90: New test.
2025-05-15 Andrew Stubbs <ams@baylibre.com>
* Makefile.am (libgomp_la_SOURCES): Add usmpin-allocator.c.
* Makefile.in: Regenerate.
* config/linux/allocator.c: Include unistd.h.
(pin_ctx): New variable.
(ctxlock): New variable.
(linux_init_pin_ctx): New function.
(linux_memspace_alloc): Use usmpin-allocator for pinned memory.
(linux_memspace_free): Likewise.
(linux_memspace_realloc): Likewise.
* libgomp.h (usmpin_init_context): New prototype.
(usmpin_register_memory): New prototype.
(usmpin_alloc): New prototype.
(usmpin_free): New prototype.
(usmpin_realloc): New prototype.
* testsuite/libgomp.c/alloc-pinned-8.c: New test.
* usmpin-allocator.c: New file.
2025-05-15 Andrew Stubbs <ams@baylibre.com>
Thomas Schwinge <thomas@codesourcery.com>
* config/linux/allocator.c: Include assert.h.
(using_device_for_page_locked): New variable.
(linux_memspace_alloc): Add init0 parameter. Support device pinning.
(linux_memspace_calloc): Set init0 to true.
(linux_memspace_free): Support device pinning.
(linux_memspace_realloc): Support device pinning.
(MEMSPACE_ALLOC): Set init0 to false.
* libgomp-plugin.h
(GOMP_OFFLOAD_page_locked_host_alloc): New prototype.
(GOMP_OFFLOAD_page_locked_host_free): Likewise.
* libgomp.h (gomp_page_locked_host_alloc): Likewise.
(gomp_page_locked_host_free): Likewise.
(struct gomp_device_descr): Add page_locked_host_alloc_func and
page_locked_host_free_func.
* libgomp.texi: Adjust the docs for the pinned trait.
* libgomp_g.h (GOMP_enable_pinned_mode): New prototype.
* plugin/plugin-nvptx.c
(GOMP_OFFLOAD_page_locked_host_alloc): New function.
(GOMP_OFFLOAD_page_locked_host_free): Likewise.
* target.c (device_for_page_locked): New variable.
(get_device_for_page_locked): New function.
(gomp_page_locked_host_alloc): Likewise.
(gomp_page_locked_host_free): Likewise.
(gomp_load_plugin_for_device): Add page_locked_host_alloc and
page_locked_host_free.
* testsuite/libgomp.c/alloc-pinned-1.c: Change expectations for NVPTX
devices.
* testsuite/libgomp.c/alloc-pinned-2.c: Likewise.
* testsuite/libgomp.c/alloc-pinned-3.c: Likewise.
* testsuite/libgomp.c/alloc-pinned-4.c: Likewise.
* testsuite/libgomp.c/alloc-pinned-5.c: Likewise.
* testsuite/libgomp.c/alloc-pinned-6.c: Likewise.
2025-05-15 Andrew Stubbs <ams@baylibre.com>
* config/linux/allocator.c (always_pinned_mode): New variable.
(GOMP_enable_pinned_mode): New function.
(linux_memspace_alloc): Disable pinning when always_pinned_mode set.
(linux_memspace_calloc): Likewise.
(linux_memspace_free): Likewise.
(linux_memspace_realloc): Likewise.
* libgomp.map: Add GOMP_enable_pinned_mode.
* testsuite/libgomp.c/alloc-pinned-7.c: New test.
* testsuite/libgomp.c-c++-common/alloc-pinned-1.c: New test.
2025-05-15 Kwok Cheung Yeung <kcy@codesourcery.com>
* testsuite/libgomp.c-c++-common/collapse-4.c: New.
* testsuite/libgomp.fortran/collapse5.f90: New.
2025-05-15 Andrew Stubbs <ams@codesourcery.com>
* config/gcn/bar.h (gomp_barrier_init): Limit thread count to the
actual physical number.
* config/gcn/team.c (gomp_team_start): Don't attempt to set up
threads that do not exist.
2025-05-15 Andrew Stubbs <ams@codesourcery.com>
* plugin/plugin-nvptx.c (GOMP_OFFLOAD_alloc): Remove early call to
nvptx_stacks_free.
2025-05-15 Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.oacc-c-c++-common/loop-gwv-1.c: Adjust for loop
lowering changes.
* testsuite/libgomp.oacc-c-c++-common/loop-wv-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/loop-red-gwv-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/loop-red-wv-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/routine-gwv-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/routine-wv-1.c: Likewise.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
* libgomp.h (gomp_acc_declare_allocate): Remove prototype.
* oacc-mem.c (gomp_acc_declare_allocate): New function.
(find_group_last): Handle GOMP_MAP_DECLARE_ALLOCATE and
GOMP_MAP_DECLARE_DEALLOCATE groupings.
(goacc_enter_data_internal): Fix kind check for
GOMP_MAP_DECLARE_ALLOCATE. Pass new pointer argument to
gomp_acc_declare_allocate. Unlock mutex before calling
gomp_acc_declare_allocate and relock it afterwards.
(goacc_exit_data_internal): Unlock device mutex around
gomp_acc_declare_allocate call. Pass new pointer argument. Handle
group pointer mapping for deallocate.
* testsuite/libgomp.oacc-fortran/allocatable-scalar.f90: New test.
* testsuite/libgomp.oacc-fortran/declare-allocatable-1-directive.f90:
Adjust.
* testsuite/libgomp.oacc-fortran/declare-allocatable-1-runtime.f90:
Likewise.
* testsuite/libgomp.oacc-fortran/declare-allocatable-1.f90:
Likewise.
* testsuite/libgomp.oacc-fortran/declare-allocatable-2.f90: New test.
* testsuite/libgomp.oacc-fortran/declare-allocatable-3.f90: New test.
* testsuite/libgomp.oacc-fortran/declare-allocatable-4.f90: New test.
* testsuite/libgomp.oacc-fortran/declare-allocatable-array_descriptor-1-directive.f90:
Adjust.
* testsuite/libgomp.oacc-fortran/declare-allocatable-array_descriptor-1-runtime.f90:
Likewise.
* testsuite/libgomp.oacc-fortran/declare-allocatable-array_descriptor-1.f90:
New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Sandra Loosemore <sandra@baylibre.com>
* testsuite/libgomp.oacc-c++/privatized-ref-3.C: Add xfails.
* testsuite/libgomp.oacc-fortran/optional-private.f90: Likewise.
* testsuite/libgomp.oacc-fortran/privatized-ref-1.f95: Likewise.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Sandra Loosemore <sloosemore@baylibre.com>
* testsuite/libgomp.oacc-fortran/optional-reduction.f90: Remove
xfail on bogus warnings.
* testsuite/libgomp.oacc-fortran/parallel-reduction.f90: Likewise.
* testsuite/libgomp.oacc-fortran/pr70643.f90: Likewise.
* testsuite/libgomp.oacc-fortran/reduction-5.f90: Likewise.
* testsuite/libgomp.oacc-fortran/reduction-7.f90: Likewise.
* testsuite/libgomp.oacc-fortran/reference-reductions.f90: Likewise.
2025-05-15 Thomas Schwinge <thomas@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
* Makefile.am (libgomp_la_SOURCES): Add
oacc-profiling-acc_register_library.c.
* Makefile.in: Regenerate.
* libgomp.texi: Remove paragraph about acc_register_library.
* oacc-init.c (get_property_any): Add profiling code.
* oacc-parallel.c (GOACC_parallel_keyed_internal): Set device_api for
profiling.
* oacc-profiling-acc_register_library.c: New file.
* oacc-profiling.c (goacc_profiling_initialize): Call
acc_register_library. Avoid duplicate registration.
(acc_register_library): Remove.
* config/nvptx/oacc-profiling-acc_register_library.c:
New empty file.
* config/nvptx/oacc-profiling.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/acc_prof-dispatch-1.c: Remove
call to acc_register_library.
* testsuite/libgomp.oacc-c-c++-common/acc_prof-init-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/acc_prof-kernels-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/acc_prof-parallel-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/acc_prof-valid_bytes-1.c:
Likewise.
* testsuite/libgomp.oacc-c-c++-common/acc_prof-version-1.c: Likewise.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Chung-Lin Tang <cltang@codesourcery.com>
* testsuite/libgomp.oacc-c-c++-common/privatize-reduction-1.c: New
test.
* testsuite/libgomp.oacc-c-c++-common/privatize-reduction-2.c: New
test.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
* testsuite/libgomp.oacc-c-c++-common/loop-auto-1.c: Adjust test case
to conform to the new behavior of the auto clause in OpenACC 2.5.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
* testsuite/libgomp.oacc-c++/firstprivate-int.C: New test.
* testsuite/libgomp.oacc-c-c++-common/firstprivate-int.c: New
test.
* testsuite/libgomp.oacc-c-c++-common/data-firstprivate-1.c: XFAIL
execution test.
* testsuite/libgomp.oacc-fortran/firstprivate-int.f90: New test.
2025-05-15 Nathan Sidwell <nathan@acm.org>
Tom de Vries <tdevries@suse.de>
Thomas Schwinge <thomas@codesourcery.com>
Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.oacc-c-c++-common/loop-default-compile.c: New.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
James Norris <jnorris@codesourcery.com>
Tom de Vries <tom@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tobias Burnus <tburnus@baylibre.com>
* testsuite/libgomp.oacc-fortran/data-3.f90: Update parallel
regions to denote variables copyied in via acc enter data as
present.
* testsuite/libgomp.oacc-c-c++-common/subr.h: Reimplement.
* testsuite/libgomp.oacc-c-c++-common/subr.ptx: Regenerated PTX.
* testsuite/libgomp.oacc-c-c++-common/timer.h: Removed.
* testsuite/libgomp.oacc-c-c++-common/lib-69.c: Change async checks.
* testsuite/libgomp.oacc-c-c++-common/lib-70.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/lib-72.c: Rework kernel i/f and
change async checks.
* testsuite/libgomp.oacc-c-c++-common/lib-73.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/lib-74.c: Rework kernel i/f and
timing checks.
* testsuite/libgomp.oacc-c-c++-common/lib-75.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/lib-76.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/lib-78.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/lib-79.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/lib-81.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/lib-82.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/lib-93.c: New test.
2025-05-15 Julian Brown <julian@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
Nathan Sidwell <nathan@acm.org>
* testsuite/libgomp.oacc-c-c++-common/par-reduction-3.c: New.
* testsuite/libgomp.oacc-c-c++-common/reduction-cplx-flt-2.c: New.
* testsuite/libgomp.oacc-fortran/reduction-9.f90: New.
2025-05-15 Cesar Philippidis <cesar@codesourcery.com>
James Norris <jnorris@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <tschwinge@baylibre.com>
* oacc-parallel.c (GOACC_parallel_keyed): Handle Fortran deviceptr
clause.
(GOACC_data_start): Likewise.
* testsuite/libgomp.oacc-fortran/deviceptr-1.f90: New test.
2025-05-15 Thomas Schwinge <thomas@codesourcery.com>
PR other/76739
* target.c (gomp_map_vars_internal): Pass pre-allocated 'ptrblock'
to 'goacc_noncontig_array_create_ptrblock'.
* oacc-parallel.c (goacc_noncontig_array_create_ptrblock): Adjust.
* oacc-int.h (goacc_noncontig_array_create_ptrblock): Adjust.
2025-05-15 Thomas Schwinge <thomas@codesourcery.com>
PR other/76739
* oacc-parallel.c (GOACC_parallel_keyed): Given OpenACC 'async',
defer 'free' of non-contiguous array support data structures.
* target.c (gomp_map_vars_internal): Likewise.
2025-05-15 Thomas Schwinge <thomas@codesourcery.com>
PR other/76739
* libgomp.h (goacc_map_vars): Add 'struct goacc_ncarray_info *'
formal parameter.
(gomp_map_vars_openacc): Remove.
* target.c (goacc_map_vars): Adjust.
(gomp_map_vars_openacc): Remove.
* oacc-mem.c (acc_map_data, goacc_enter_datum)
(goacc_enter_data_internal): Adjust.
* oacc-parallel.c (GOACC_parallel_keyed, GOACC_data_start):
Adjust.
2025-05-15 Chung-Lin Tang <cltang@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Paul-Antoine Arras <parras@baylibre.com>
PR other/76739
* libgomp.h (gomp_map_vars_openacc): New function declaration.
* libgomp_g.h (GOACC_data_start): Add variadic '...' to declaration.
* oacc-int.h (struct goacc_ncarray_dim): New struct declaration.
(struct goacc_ncarray_descr_type): Likewise.
(struct goacc_ncarray): Likewise.
(struct goacc_ncarray_info): Likewise.
(goacc_noncontig_array_create_ptrblock): New function declaration.
* oacc-parallel.c (goacc_noncontig_array_count_rows): New function.
(goacc_noncontig_array_compute_sizes): Likewise.
(goacc_noncontig_array_fill_rows_1): Likewise.
(goacc_noncontig_array_fill_rows): Likewise.
(goacc_process_noncontiguous_arrays): Likewise.
(goacc_noncontig_array_create_ptrblock): Likewise.
(GOACC_parallel_keyed): Use goacc_process_noncontiguous_arrays to
handle non-contiguous array descriptors at end of varargs, adjust
to use gomp_map_vars_openacc.
(GOACC_data_start): Likewise. Adjust function type to accept varargs.
* target.c (gomp_map_vars_internal): Add struct goacc_ncarray_info *
nca_info parameter, add handling code for non-contiguous arrays.
(gomp_map_vars_openacc): Add new function for specialization of
gomp_map_vars_internal for OpenACC structured region usage.
* testsuite/libgomp.oacc-c-c++-common/noncontig_array-1.c: New test.
* testsuite/libgomp.oacc-c-c++-common/noncontig_array-2.c: New test.
* testsuite/libgomp.oacc-c-c++-common/noncontig_array-3.c: New test.
* testsuite/libgomp.oacc-c-c++-common/noncontig_array-4.c: New test.
* testsuite/libgomp.oacc-c-c++-common/noncontig_array-utils.h: Support
header for new tests.