path: root/gcc/ChangeLog.omp

2025-04-17  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.

2025-04-17  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.

2025-04-17  Kwok Cheung Yeung  <kcyeung@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.

2025-04-17  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.

2025-04-17  Kwok Cheung Yeung  <kcyeung@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.

2025-04-17  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.

2025-04-17  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from trunk:
	2025-04-16  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/97106
	* config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls)
	[ACCEL_COMPILER]: Make sure to emit C++ constructor, destructor
	aliases.

	Backported from trunk:
	2025-04-14  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/118794
	* config/gcn/gcn.opt (-mfake-exceptions): Support.
	* config/nvptx/nvptx.opt (-mfake-exceptions): Likewise.
	* config/gcn/gcn.md (define_expand "exception_receiver"): Use it.
	* config/nvptx/nvptx.md (define_expand "exception_receiver"):
	Likewise.
	* config/gcn/mkoffload.cc (main): Set it.
	* config/nvptx/mkoffload.cc (main): Likewise.
	* config/nvptx/nvptx.cc (nvptx_assemble_integer)
	<in_section == exception_section>: Special handling for
	'SYMBOL_REF's.
	* except.cc (expand_dw2_landing_pad_for_region): Don't generate
	bogus code for (default)
	'#define EH_RETURN_DATA_REGNO(N) INVALID_REGNUM'.

	Backported from trunk:
	2025-04-07  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.opt (-mfake-ptx-alloca): Update.

	Backported from trunk:
	2025-04-03  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/119573
	* config/nvptx/nvptx.cc (nvptx_encode_section_info): Don't set
	'DATA_AREA_CONST' for 'TREE_CONSTANT', or 'TREE_READONLY'.
	(nvptx_asm_declare_constant_name): Use '.global' instead of
	'.const'.

	Backported from trunk:
	2025-04-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls)
	[!ACCEL_COMPILER]: Don't define label 'emit_ptx_alias'.

2025-04-08  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-04-08  Tobias Burnus  <tburnus@baylibre.com>

	PR middle-end/119662
	* gimplify.cc (modify_call_for_omp_dispatch): Fix GOMP_interop
	arg passing; add location info to function calls.

2025-04-02  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from trunk:
	2025-04-01  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/119369
	* config/gcn/gcn-protos.h (gcn_asm_weaken_decl): Declare.
	* config/gcn/gcn.cc (gcn_asm_weaken_decl): New.
	* config/gcn/gcn-hsa.h (ASM_WEAKEN_DECL): '#define' to this.

2025-04-01  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-04-01  Tobias Burnus  <tburnus@baylibre.com>

	PR middle-end/119559
	* gimplify.cc (modify_call_for_omp_dispatch): Reorder checks to avoid
	asserts and bogus diagnostic.

2025-03-31  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-03-31  Tobias Burnus  <tburnus@baylibre.com>

	PR middle-end/119541
	* gimplify.cc (modify_call_for_omp_dispatch): Limit interop claues
	processing by the number of append_args arguments.

2025-03-27  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-03-27  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (modify_call_for_omp_dispatch): Remove sorry.

2025-03-27  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from trunk:
	2025-03-26  Thomas Schwinge  <thomas@codesourcery.com>

	PR driver/101544
	* gcc.cc (driver_handle_option): Forward host '-lstdc++' to
	offloading compilation.
	* config/gcn/mkoffload.cc (main): Adjust.
	* config/nvptx/mkoffload.cc (main): Likewise.

2025-03-25  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from trunk:
	2025-03-24  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/101544
	* config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls)
	[ACCEL_COMPILER]: Special-case certain host-setup symbol aliases.
	* varasm.cc (do_assemble_alias) [ACCEL_COMPILER]: Adjust.

	Backported from trunk:
	2025-03-24  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.cc (default_ptx_version_option): Default at
	least to '-mptx=6.3'.
	* doc/invoke.texi (Nvidia PTX Options): Update '-mptx=[...]'.

2025-03-21  Paul-Antoine Arras  <parras@baylibre.com>

	Backported from master:
	2025-03-21  Paul-Antoine Arras  <parras@baylibre.com>
		    Tobias Burnus  <tburnus@baylibre.com>

	* builtin-types.def
	(BT_FN_VOID_INT_INT_PTR_PTR_PTR_INT_PTR_INT_PTR_UINT_PTR): New.
	* gimple-low.cc (lower_stmt): Handle GIMPLE_OMP_INTEROP.
	* gimple-pretty-print.cc (dump_gimple_omp_interop): New function.
	(pp_gimple_stmt_1): Handle GIMPLE_OMP_INTEROP.
	* gimple.cc (gimple_build_omp_interop): New function.
	(gimple_copy): Handle GIMPLE_OMP_INTEROP.
	* gimple.def (GIMPLE_OMP_INTEROP): Define.
	* gimple.h (gimple_build_omp_interop): Declare.
	(gimple_omp_interop_clauses): New function.
	(gimple_omp_interop_clauses_ptr): Likewise.
	(gimple_omp_interop_set_clauses): Likewise.
	(gimple_return_set_retval): Handle GIMPLE_OMP_INTEROP.
	* gimplify.cc (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_INIT,
	OMP_CLAUSE_USE and OMP_CLAUSE_DESTROY.
	(gimplify_omp_interop): New function.
	(gimplify_expr): Replace sorry with call to gimplify_omp_interop.
	* omp-builtins.def (BUILT_IN_GOMP_INTEROP): Define.
	* omp-low.cc (scan_sharing_clauses): Handle OMP_CLAUSE_INIT,
	OMP_CLAUSE_USE and OMP_CLAUSE_DESTROY.
	(scan_omp_1_stmt): Handle GIMPLE_OMP_INTEROP.
	(lower_omp_interop_action_clauses): New function.
	(lower_omp_interop): Likewise.
	(lower_omp_1): Handle GIMPLE_OMP_INTEROP.

2025-03-19  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from trunk:
	2025-03-14  Thomas Schwinge  <thomas@codesourcery.com>

	PR target/92713
	PR target/101544
	* config/gcn/gcn.h (LIBSTDCXX): Don't set.
	* config/nvptx/nvptx.h (LIBSTDCXX): Likewise.

2025-02-28  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from trunk:
	2025-02-27  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.h (MAX_FIXED_MODE_SIZE): '#define'.

	Backported from trunk:
	2025-02-27  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.opt (-mfake-ptx-alloca): New.
	* config/nvptx/nvptx-protos.h (nvptx_output_fake_ptx_alloca):
	Declare.
	* config/nvptx/nvptx.cc (nvptx_output_fake_ptx_alloca): New.
	* config/nvptx/nvptx.md (define_insn "@nvptx_alloca_<mode>")
	[!(TARGET_PTX_7_3 && TARGET_SM52)]: Use it for
	'-mfake-ptx-alloca'.

	Backported from trunk:
	2025-02-27  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.md (define_expand "allocate_stack")
	[!TARGET_SOFT_STACK]: Move
	'sorry ("dynamic stack allocation not supported");'...
	(define_insn "@nvptx_alloca_<mode>"): ... here.

2025-02-27  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from trunk:
	2025-02-22  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/bpf/bpf.md (define_expand "allocate_stack"): Emit
	'sorry, unimplemented: dynamic stack allocation not supported'.
	* config/nvptx/nvptx.md (define_expand "allocate_stack")
	[!TARGET_SOFT_STACK && !(TARGET_PTX_7_3 && TARGET_SM52)]: Likewise.

2025-02-18  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from trunk:
	2025-02-14  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/94282
	PR target/113331
	* common/config/gcn/gcn-common.cc (gcn_except_unwind_info): 'return UI_TARGET;'.
	* config/gcn/gcn.cc (gcn_asm_init_sections): New function.
	(TARGET_ASM_INIT_SECTIONS): '#define'.

	Backported from trunk:
	2025-02-14  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/86660
	* common/config/nvptx/nvptx-common.cc (nvptx_except_unwind_info):
	'return UI_TARGET;'.
	* config/nvptx/nvptx.cc (nvptx_assemble_integer): Handle
	'exception_section'.
	(nvptx_output_section_asm_op, nvptx_asm_init_sections): New
	functions.
	(TARGET_ASM_INIT_SECTIONS): '#define'.
	* config/nvptx/nvptx.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
	Don't '#define'.
	(ASM_OUTPUT_DWARF_DELTA): '#define'.

	Backported from trunk:
	2025-02-14  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.cc (init_frag): New 'bool active' member.
	(output_init_frag, nvptx_assemble_value, nvptx_assemble_integer)
	(nvptx_output_skip, nvptx_assemble_decl_begin)
	(nvptx_assemble_decl_end): Sanity-check its state.

	Backported from trunk:
	2025-02-14  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.cc (nvptx_output_skip): Clarify case of
	no or incomplete initializer.

	Backported from trunk:
	2025-02-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/gcn/gcn.md (exception_receiver): 'define_expand'.
	* config/nvptx/nvptx.md (exception_receiver): Likewise.

	Backported from trunk:
	2025-02-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* doc/sourcebuild.texi (Effective-Target Keywords): Clarify that
	effective-target 'exceptions' and 'exceptions_enabled' are
	orthogonal.

	Backported from trunk:
	2024-05-22  Roger Sayle  <roger@nextmovesoftware.com>

	* except.cc (output_function_exception_table): Move call to
	get_personality_function after targetm_common.except_unwind_info
	check, to avoid ICE on targets that don't support exceptions.

	Backported from trunk:
	2025-02-07  Thomas Schwinge  <tschwinge@baylibre.com>

	* c-gimplify.cc (c_genericize): Pass 'local_dump_flags' to
	'print_c_tree'.
	* c-pretty-print.cc (c_pretty_printer::statement): Pass
	'dump_flags' to 'dump_generic_node'.
	(c_pretty_printer::c_pretty_printer): Initialize 'dump_flags'.
	(print_c_tree): Add 'dump_flags_t' formal parameter.
	(debug_c_tree): Adjust.
	* c-pretty-print.h (c_pretty_printer): Add 'dump_flags_t
	dump_flags'.
	(c_pretty_printer::c_pretty_printer): Add 'dump_flags_t' formal
	parameter.
	(print_c_tree): Adjust.

	Backported from trunk:
	2025-01-28  Thomas Schwinge  <tschwinge@baylibre.com>

	* tree-pretty-print.cc (dump_omp_clause): Clarify
	'OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P'.

	Backported from trunk:
	2025-01-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* doc/invoke.texi (Nvidia PTX Options): Update '-march-map=sm_50'.

	Backported from trunk:
	2025-01-20  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/t-nvptx (MULTILIB_OPTIONS): Don't add 'mptx=3.1' if
	neither sm_30 nor sm_35 multilib variant is built.

	Backported from trunk:
	2024-09-24  Prathamesh Kulkarni  <prathameshk@nvidia.com>
		    Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/104957
	* config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls): Use
	cgraph_node::get(name)->ultimate_alias_target instead of value.

	Backported from trunk:
	2024-09-05  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/104957
	* config/nvptx/nvptx.cc (write_fn_proto_1): Revert 2022-03-22
	change; 'write_fn_marker' also for alias DECL.
	(nvptx_asm_output_def_from_decls): 'write_fn_marker' for alias
	DEF.

2025-01-30  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-01-30  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (gimplify_call_expr): For OpenMP's append_args clause
	processed by 'omp dispatch', update for internal-representation
	changes; fix handling of hidden arguments, add some comments and
	handle Fortran's value dummy and optional/pointer/allocatable actual
	args.

2025-01-28  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-01-09  Tobias Burnus  <tburnus@baylibre.com>

	* builtin-types.def (BT_FN_PTRMODE_PTR_INT_PTR): Add.
	* gimplify.cc (gimplify_call_expr): Add error for multiple
	list items to the OpenMP interop clause if no device clause;
	continue instead of restarting after append_args handling.
	(gimplify_omp_dispatch): Extract device number from the
	single interop-clause list item.
	* omp-builtins.def (BUILT_IN_OMP_GET_INTEROP_INT): Add.

2025-01-28  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-01-08  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (gimplify_call_expr): Disable variant function's
	append_args in 'omp dispatch' when invoking the variant directly
	and not through the base function.

2025-01-28  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-12-18  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (gimplify_call_expr): Update for OpenMP's
	append_args; cleanup of OpenMP's dispatch clause handling.

2025-01-27  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-12-19  Tobias Burnus  <tburnus@baylibre.com>

	* omp-general.cc (vendor_properties): Add "nec".

2025-01-27  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-12-12  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (gimplify_call_expr): When handling OpenMP's dispatch,
	add diagnostic when there is a ptr vs. addr mismatch between
	need_device_{addr,ptr} and {is,has}_device_{ptr,addr}, respectively.

2025-01-27  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-11-22  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (gimplify_call_expr): Add initial support for
	dispatch's 'interop' clause.
	(gimplify_scan_omp_clauses): Handle interop clause.
	* tree-pretty-print.cc (dump_omp_clause): Likewise.
	* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INTEROP.
	* tree.cc (omp_clause_num_ops, omp_clause_code_name): Add interop.

2025-01-27  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-11-22  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (gimplify_expr): Handle OMP_INTEROP by printing
	"sorry, uninplemented".
	* omp-api.h (omp_get_fr_id_from_name): Change return type to
	'char'.
	* omp-general.cc (omp_get_fr_id_from_name): Likewise; return
	GOMP_INTEROP_IFR_UNKNOWN not 0 if not found.
	(omp_get_name_from_fr_id): Return "<unknown>" not NULL
	if not found (used for dumps).
	* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DESTROY,
	OMP_CLAUSE_USE, and OMP_CLAUSE_INIT.
	* tree-pretty-print.cc (dump_omp_init_prefer_type): New.
	(dump_omp_clause): Handle init, use and destroy clauses.
	(dump_generic_node): Handle interop directive.
	* tree.cc (omp_clause_num_ops, omp_clause_code_name): Add new
	init/use/destroy clauses.
	* tree.def (OACC_LOOP): Fix comment.
	(OMP_INTEROP): Add.
	* tree.h (OMP_INTEROP_CLAUSES, OMP_CLAUSE_INIT_TARGET,
	OMP_CLAUSE_INIT_TARGETSYNC, OMP_CLAUSE_INIT_PREFER_TYPE): New.

2025-01-27  Paul-Antoine Arras  <parras@baylibre.com>

	Backported from master:
	2025-01-07  Paul-Antoine Arras  <parras@baylibre.com>

	* gimplify.cc (gimplify_call_expr): Create variable
	variant_substituted_p to control whether adjust_args applies.

2025-01-27  Paul-Antoine Arras  <parras@baylibre.com>

	Backported from master:
	2025-01-02  Paul-Antoine Arras  <parras@baylibre.com>

	* gimplify.cc (gimplify_call_expr): Fix handling of need_device_ptr for
	type(c_ptr). Fix handling of nested function calls in a dispatch region.
	(find_ifn_gomp_dispatch): Return the IFN without stripping it.
	(gimplify_omp_dispatch): Keep IFN_GOMP_DISPATCH until
	gimplify_call_expr.

2025-01-24  Paul-Antoine Arras  <parras@baylibre.com>

	Backported from master:
	2024-11-20  Paul-Antoine Arras  <parras@baylibre.com>

	* builtins.cc (builtin_fnspec): Handle BUILT_IN_OMP_GET_MAPPED_PTR.
	* gimple-low.cc (lower_stmt): Handle GIMPLE_OMP_DISPATCH.
	* gimple-pretty-print.cc (dump_gimple_omp_dispatch): New function.
	(pp_gimple_stmt_1): Handle GIMPLE_OMP_DISPATCH.
	* gimple-walk.cc (walk_gimple_stmt): Likewise.
	* gimple.cc (gimple_build_omp_dispatch): New function.
	(gimple_copy): Handle GIMPLE_OMP_DISPATCH.
	* gimple.def (GIMPLE_OMP_DISPATCH): Define.
	* gimple.h (gimple_build_omp_dispatch): Declare.
	(gimple_has_substatements): Handle GIMPLE_OMP_DISPATCH.
	(gimple_omp_dispatch_clauses): New function.
	(gimple_omp_dispatch_clauses_ptr): Likewise.
	(gimple_omp_dispatch_set_clauses): Likewise.
	(gimple_return_set_retval): Handle GIMPLE_OMP_DISPATCH.
	* gimplify.cc (enum omp_region_type): Add ORT_DISPATCH.
	(struct gimplify_omp_ctx): Add in_call_args.
	(gimplify_call_expr): Handle need_device_ptr arguments.
	(is_gimple_stmt): Handle OMP_DISPATCH.
	(gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DEVICE in a dispatch
	construct. Handle OMP_CLAUSE_NOVARIANTS and OMP_CLAUSE_NOCONTEXT.
	(omp_has_novariants): New function.
	(omp_has_nocontext): Likewise.
	(omp_construct_selector_matches): Handle OMP_DISPATCH with nocontext
	clause.
	(find_ifn_gomp_dispatch): New function.
	(gimplify_omp_dispatch): Likewise.
	(gimplify_expr): Handle OMP_DISPATCH.
	* gimplify.h (omp_has_novariants): Declare.
	* internal-fn.cc (expand_GOMP_DISPATCH): New function.
	* internal-fn.def (GOMP_DISPATCH): Define.
	* omp-builtins.def (BUILT_IN_OMP_GET_MAPPED_PTR): Define.
	(BUILT_IN_OMP_GET_DEFAULT_DEVICE): Define.
	(BUILT_IN_OMP_SET_DEFAULT_DEVICE): Define.
	* omp-general.cc (omp_construct_traits_to_codes): Add OMP_DISPATCH.
	(struct omp_ts_info): Add dispatch.
	(omp_resolve_declare_variant): Handle novariants. Adjust
	DECL_ASSEMBLER_NAME.
	* omp-low.cc (scan_omp_1_stmt): Handle GIMPLE_OMP_DISPATCH.
	(lower_omp_dispatch): New function.
	(lower_omp_1): Call it.
	* tree-inline.cc (remap_gimple_stmt): Handle GIMPLE_OMP_DISPATCH.
	(estimate_num_insns): Handle GIMPLE_OMP_DISPATCH.

2025-01-23  Paul-Antoine Arras  <parras@baylibre.com>

	Backported from master:
	2024-11-20  Paul-Antoine Arras  <parras@baylibre.com>

	* builtin-types.def (BT_FN_PTR_CONST_PTR_INT): New.
	* omp-selectors.h (enum omp_ts_code): Add OMP_TRAIT_CONSTRUCT_DISPATCH.
	* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_NOVARIANTS and
	OMP_CLAUSE_NOCONTEXT.
	* tree-pretty-print.cc (dump_omp_clause): Handle OMP_CLAUSE_NOVARIANTS
	and OMP_CLAUSE_NOCONTEXT.
	(dump_generic_node): Handle OMP_DISPATCH.
	* tree.cc (omp_clause_num_ops): Add OMP_CLAUSE_NOVARIANTS and
	OMP_CLAUSE_NOCONTEXT.
	(omp_clause_code_name): Add "novariants" and "nocontext".
	* tree.def (OMP_DISPATCH): New.
	* tree.h (OMP_DISPATCH_BODY): New macro.
	(OMP_DISPATCH_CLAUSES): New macro.
	(OMP_CLAUSE_NOVARIANTS_EXPR): New macro.
	(OMP_CLAUSE_NOCONTEXT_EXPR): New macro.

2025-01-23  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-10-28  Tobias Burnus  <tburnus@baylibre.com>

	* tree-core.h (enum omp_clause_code): Add comments to cross ref to
	OMP_CLAUSE_DECL etc. and mark the ranges used in the range checks.

2025-01-23  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-09-23  Tobias Burnus  <tburnus@baylibre.com>

	* omp-general.cc (omp_runtime_api_procname): Strip "omp_" from
	string; move get_device_from_uid as now a '_' suffix exists.

2025-01-23  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-09-20  Tobias Burnus  <tburnus@baylibre.com>

	* omp-general.cc (omp_runtime_api_procname): Add
	get_device_from_uid and omp_get_uid_from_device routines.

2025-01-23  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-09-13  Tobias Burnus  <tburnus@baylibre.com>

	PR fortran/116661
	* omp-api.h (omp_get_fr_id_from_name, omp_get_name_from_fr_id): New
	prototypes.
	* omp-general.cc (omp_get_fr_id_from_name, omp_get_name_from_fr_id):
	New.

2025-01-23  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-09-11  Tobias Burnus  <tburnus@baylibre.com>

	* omp-general.cc (omp_runtime_api_procname): Add
	omp_get_interop_{int,name,ptr,rc_desc,str,type_desc}
	and omp_get_num_interop_properties.

2024-12-19  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/65181
	* config/nvptx/nvptx.cc (nvptx_get_drap_rtx): Handle
	'!TARGET_SOFT_STACK'.
	* config/nvptx/nvptx.md (define_c_enum "unspec"): Add
	'UNSPEC_STACKSAVE', 'UNSPEC_STACKRESTORE'.
	(define_expand "allocate_stack", define_expand "save_stack_block")
	(define_expand "save_stack_block"): Handle '!TARGET_SOFT_STACK',
	PTX 'alloca'.
	(define_insn "@nvptx_alloca_<mode>")
	(define_insn "@nvptx_stacksave_<mode>")
	(define_insn "@nvptx_stackrestore_<mode>"): New.
	* doc/invoke.texi (Nvidia PTX Options): Update '-msoft-stack',
	'-mno-soft-stack'.
	* doc/sourcebuild.texi (nvptx-specific attributes): Document
	'nvptx_runtime_alloca_ptx'.
	(Add Options): Document 'nvptx_alloca_ptx'.

2024-12-18  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/65181
	* config/nvptx/nvptx.cc (default_ptx_version_option): For
	'-march=sm_52' and higher, default at least to '-mptx=7.3'.
	* doc/invoke.texi (Nvidia PTX Options): Update '-mptx=[...]'.

	* config/nvptx/nvptx-opts.h (enum ptx_version): Add
	'PTX_VERSION_7_3'.
	* config/nvptx/nvptx.cc (ptx_version_to_string)
	(ptx_version_to_number): Adjust.
	* config/nvptx/nvptx.h (TARGET_PTX_7_3): New.
	* config/nvptx/nvptx.opt (Enum(ptx_version)): Add 'EnumValue'
	'7.3' for 'PTX_VERSION_7_3'.
	* doc/invoke.texi (Nvidia PTX Options): Document '-mptx=7.3'.

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	'nvptx_softstack'.

	PR target/65181
	* config/nvptx/nvptx.h (STACK_SAVEAREA_MODE): '#define'.
	* config/nvptx/nvptx.md [!TARGET_SOFT_STACK]
	(save_stack_function): 'define_expand'.
	(restore_stack_function): Handle '!TARGET_SOFT_STACK'.

	PR target/65181
	* config/nvptx/nvptx.md [!TARGET_SOFT_STACK] (save_stack_block):
	'define_expand'.

	Backported from trunk:
	2024-08-09  Andrew Stubbs  <ams@baylibre.com>

	* config/gcn/gcn.cc (gcn_asm_trampoline_template): Add .align.
	* config/gcn/gcn.h (TRAMPOLINE_SIZE): Increase to 40.

	Backported from trunk:
	2024-12-09  Thomas Schwinge  <tschwinge@baylibre.com>

	* config.gcc [nvptx-*]: Switch default from '-march=sm_30' to
	'-march=sm_52'.
	* doc/install.texi (Nvidia PTX Options): Update.

	Backported from trunk:
	2024-12-09  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/gcn/gcn.cc (gcn_vec_constant): Fix 'real_from_integer'
	usage.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx-sm.def: Add '89'.
	* config/nvptx/nvptx-gen.h: Regenerate.
	* config/nvptx/nvptx-gen.opt: Likewise.
	* config/nvptx/nvptx.cc (first_ptx_version_supporting_sm): Adjust.
	* config/nvptx/nvptx.opt (-march-map=sm_89, -march-map=sm_90)
	(march-map=sm_90a): Likewise.
	* config.gcc: Likewise.
	* doc/invoke.texi (Nvidia PTX Options): Document '-march=sm_89'.
	* config/nvptx/gen-multilib-matches-tests: Extend.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx-opts.h (enum ptx_version): Add
	'PTX_VERSION_7_8'.
	* config/nvptx/nvptx.cc (ptx_version_to_string)
	(ptx_version_to_number): Adjust.
	* config/nvptx/nvptx.h (TARGET_PTX_7_8): New.
	* config/nvptx/nvptx.opt (Enum(ptx_version)): Add 'EnumValue'
	'7.8' for 'PTX_VERSION_7_8'.
	* doc/invoke.texi (Nvidia PTX Options): Document '-mptx=7.8'.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx-sm.def: Add '52'.
	* config/nvptx/nvptx-gen.h: Regenerate.
	* config/nvptx/nvptx-gen.opt: Likewise.
	* config/nvptx/nvptx.cc (first_ptx_version_supporting_sm): Adjust.
	* config/nvptx/nvptx.opt (-march-map=sm_52): Likewise.
	* config.gcc: Likewise.
	* doc/invoke.texi (Nvidia PTX Options): Document '-march=sm_52'.
	* config/nvptx/gen-multilib-matches-tests: Extend.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx-sm.def: Add '37'.
	* config/nvptx/nvptx-gen.h: Regenerate.
	* config/nvptx/nvptx-gen.opt: Likewise.
	* config/nvptx/nvptx.cc (first_ptx_version_supporting_sm): Adjust.
	* config/nvptx/nvptx.opt (-march-map=sm_37, -march-map=sm_50):
	Likewise.
	* config.gcc: Likewise.
	* doc/invoke.texi (Nvidia PTX Options): Document '-march=sm_37'.
	* config/nvptx/gen-multilib-matches-tests: Extend.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx-opts.h (enum ptx_version): Add
	'PTX_VERSION_4_1'.
	* config/nvptx/nvptx.cc (ptx_version_to_string)
	(ptx_version_to_number): Adjust.
	* config/nvptx/nvptx.h (TARGET_PTX_4_1): New.
	* config/nvptx/nvptx.opt (Enum(ptx_version)): Add 'EnumValue'
	'4.1' for 'PTX_VERSION_4_1'.
	* doc/invoke.texi (Nvidia PTX Options): Document '-mptx=4.1'.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.h (TARGET_PTX_4_2): New.
	* config/nvptx/nvptx.opt (Enum(ptx_version)): Add 'EnumValue'
	'4.2' for 'PTX_VERSION_4_2'.
	* doc/invoke.texi (Nvidia PTX Options): Document '-mptx=4.2'.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx-opts.h (enum ptx_version): Remove
	'PTX_VERSION_3_0'.
	* config/nvptx/nvptx.cc (first_ptx_version_supporting_sm)
	(default_ptx_version_option, ptx_version_to_string)
	(ptx_version_to_number): Adjust.
	* config/nvptx/nvptx.h: Comment.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config.gcc: nvptx: Support '--with-multilib-list'.
	* config/nvptx/gen-multilib-matches.sh: Adjust.
	* configure.ac: Likewise.
	* configure: Regenerate.
	* doc/install.texi: Update.
	* doc/invoke.texi: Align.
	* config/nvptx/gen-multilib-matches-tests: Extend.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/gen-multilib-matches.sh: Support '--selftest'.
	* config/nvptx/t-nvptx (t-nvptx-gen-multilib-matches:): Invoke it.
	* config/nvptx/gen-multilib-matches-tests: New.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/gen-h.sh: Don't pass in '$1'; compute it locally.
	* config/nvptx/gen-multilib-matches.sh: Likewise.
	* config/nvptx/gen-omp-device-properties.sh: Likewise.
	* config/nvptx/gen-opt.sh: Likewise.
	* config/nvptx/t-nvptx (s-nvptx-gen-h:, s-nvptx-gen-opt:)
	(t-nvptx-gen-multilib-matches:): Adjust.
	* config/nvptx/t-omp-device (omp-device-properties-nvptx):
	Likewise.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/gen-multilib-matches.sh: Encapsulate main logic.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/t-nvptx (multilib_matches): Don't use the 'shell'
	function of 'make'.
	* config/nvptx/gen-multilib-matches.sh: Adjust.

	Backported from trunk:
	2024-12-06  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/117916
	* config/nvptx/nvptx.opt (misa=, mptx=): Tag as 'Negative' of
	themselves.

	Backported from trunk:
	2024-09-05  Thomas Schwinge  <tschwinge@baylibre.com>

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	'nvptx_default_ptx_isa_version_at_least_6_0',
	'nvptx_runtime_alias_ptx'.
	(Add Options): Document 'nvptx_alias_ptx'.

	Backported from trunk:
	2024-09-04  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/gen-opt.sh: Use 'enum ptx_isa' instead of 'int'.
	* config/nvptx/nvptx-gen.opt: Regenerate.
	* config/nvptx/nvptx.opt: Use 'enum ptx_version' instead of 'int'.
	* config/nvptx/nvptx-opts.h (enum ptx_isa): Add 'PTX_ISA_unset'.
	(enum ptx_version): Add 'PTX_VERSION_unset'.
	* config/nvptx/nvptx-c.cc (nvptx_cpu_cpp_builtins): Adjust.
	* config/nvptx/nvptx.cc (default_ptx_version_option)
	(handle_ptx_version_option, nvptx_option_override)
	(nvptx_file_start): Likewise.

	Backported from trunk:
	2024-09-03  Tobias Burnus  <tburnus@baylibre.com>

	PR lto/116535
	* lto-cgraph.cc (output_offload_tables): Remove offload_ frees.
	* lto-streamer-out.cc (lto_output): Make call to it depend on
	lto_get_out_decl_state ()->output_offload_tables_p.
	* lto-streamer.h (struct lto_out_decl_state): Add
	output_offload_tables_p field.
	* tree-pass.h (ipa_write_optimization_summaries): Add bool argument.
	* passes.cc (ipa_write_summaries_1): Add bool
	output_offload_tables_p arg.
	(ipa_write_summaries): Update call.
	(ipa_write_optimization_summaries): Accept output_offload_tables_p.

2024-08-01  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2024-08-01  Tobias Burnus  <tburnus@baylibre.com>
		    Richard Biener  <rguenther@suse.de

	PR middle-end/115637
	* gimplify.cc (gimplify_body): Fix macro name in the comment.
	* omp-offload.cc (find_link_var_op): Rename to ...
	(process_link_var_op): ... this. Replace value expr.
	(pass_omp_target_link::execute): Update walk_gimple_stmt call.

2024-07-03  Thomas Schwinge  <tschwinge@baylibre.com>

	* doc/tm.texi.in (TARGET_VECTORIZE_PREFER_GATHER_SCATTER): Remove
	documentation hook.
	* doc/tm.texi: Regenerate.
	* target.def (prefer_gather_scatter): Remove target hook under
	vectorizer.
	* tree-vect-stmts.cc (get_group_load_store_type): Remove code to
	optionally prefer gather/scatter instructions to
	scalar/elementwise fallback.
	* config/gcn/gcn.cc (TARGET_VECTORIZE_PREFER_GATHER_SCATTER):
	Remove hook definition.

2024-05-19  Roger Sayle  <roger@nextmovesoftware.com>

	* config/nvptx/nvptx.md (popcount<mode>2): Split into...
	(popcountsi2): define_insn handling SImode popcount.
	(popcountdi2): define_insn handling DImode popcount, with an
	explicit truncate:SI to produce an SImode result.

2024-04-16  Andrew Pinski  <quic_apinski@quicinc.com>

	PR middle-end/23872
	* tree-pretty-print.cc (dump_generic_node <case COMPOUND_EXPR>): Fix
	calls to dump_generic_node and also remove unreachable code that is testing
	`flags & TDF_SLIM`.

2024-06-03  Tobias Burnus  <tburnus@baylibre.com>

	* doc/install.texi (gcn): Fix date of recommended newlib version.

2024-05-10  Sandra Loosemore  <sloosemore@baylibre.com>

	* tree-nested.cc (convert_nonlocal_reference_stmt): Handle
	GIMPLE_OMP_METADIRECTIVE specially.
	(convert_local_reference_stmt): Likewise.
	(convert_tramp_reference_stmt): Likewise.
	(convert_gimple_call): Likewise.
	* gimple-pretty-print.cc (dump_gimple_omp_metadirective): Print
	variants in raw output.

2024-04-22  Sandra Loosemore  <sloosemore@baylibre.com>

	* tree-nested.cc (convert_tramp_reference_stmt): Use the correct
	accessor for GIMPLE_OMP_TARGET clauses.

2024-05-04  Sandra Loosemore  <sloosemore@baylibre.com>

	* omp-general.cc (omp_complete_construct_context): Check
	"omp declare target" attribute, not "omp declare target block".

2024-05-04  Sandra Loosemore  <sloosemore@baylibre.com>

	* cgraph.cc (symbol_table::create_edge): Don't set
	calls_declare_variant_alt in the caller.
	* cgraph.h (struct cgraph_node): Remove declare_variant_alt
	and calls_declare_variant_alt flags.
	* cgraphclones.cc (cgraph_node::create_clone): Don't copy
	calls_declare_variant_alt bit.
	* ipa-free-lang-data.cc (free_lang_data_in_decl): Adjust code
	referencing declare_variant_alt bit.
	* ipa.cc (symbol_table::remove_unreachable_nodes): Likewise.
	* lto-cgraph.cc (lto_output_node): Remove references to deleted
	bits.
	(output_refs): Adjust code referencing declare_variant_alt bit.
	(input_overwrite_node): Remove references to deleted bits.
	(input_refs): Adjust code referencing declare_variant_alt bit.
	* lto-streamer-out.cc (lto_output): Likewise.
	* lto-streamer.h (omp_lto_output_declare_variant_alt): Delete.
	(omp_lto_input_declare_variant_alt): Delete.
	* lto/lto-partition.cc (lto_balanced_map): Adjust code referencing
	deleted declare_variant_alt bit.
	* omp-expand.cc (expand_omp_target): Use has_metadirectives bit to
	trigger pass_omp_device_lower instead of calls_declare_variant_alt.
	* omp-general.cc (struct omp_declare_variant_entry): Delete.
	(struct omp_declare_variant_base_entry): Delete.
	(struct omp_declare_variant_hasher): Delete.
	(omp_declare_variant_hasher::hash): Delete.
	(omp_declare_variant_hasher::equal): Delete.
	(omp_declare_variants): Delete.
	(omp_declare_variant_alt_hasher): Delete.
	(omp_declare_variant_alt_hasher::hash): Delete.
	(omp_declare_variant_alt_hasher::equal): Delete.
	(omp_declare_variant_alt): Delete.
	(omp_lto_output_declare_variant_alt): Delete.
	(omp_lto_input_declare_variant_alt): Delete.
	(includes): Delete unnecessary include of gt-omp-general.h.
	* omp-offload.cc (execute_omp_device_lower): Remove references
	to deleted bit.
	(pass_omp_device_lower::gate): Likewise.
	* omp-simd-clone.cc (simd_clone_create): Likewise.
	* passes.cc (ipa_write_summaries): Likeise.
	* symtab.cc (symtab_node::get_partitioning_class): Likewise.
	* tree-inline.cc (expand_call_inline): Likewise.
	(tree_function_versioning): Likewise.

2024-05-04  Sandra Loosemore  <sloosemore@baylibre.com>

	* gimple-streamer-in.cc (input_gimple_stmt): Restore
	gomp_metadirective context.
	* gimple-streamer-out.cc (output_gimple_stmt): Save
	gomp_metadirective context.
	* gimple.cc (gimple_build_omp_metadirective): Initialize
	gomp_metadirective context.
	* gimple.def (GIMPLE_OMP_METADIRECTIVE): Update comments.
	* gimple.h (gomp_metadirective): Add context field and update comments.
	(gimple_omp_metadirective_context): New.
	(gimple_omp_metadirective_set_context): New.
	* gimplify.cc (omp_resolved_variant_calls): New.
	(gimplify_variant_call_expr): New.
	(gimplify_call_expr): Adjust parameters.  Call
	gimplify_variant_call_expr to handle declare variant substitution.
	(omp_construct_selector_matches): Delete.
	(omp_get_construct_context): New.
	(gimplify_omp_metadirective): Use filtered list of candidates
	to construct the gomp_metadirective structure.  Save the construct
	context.
	(gimplify_expr): Adjust arguments to gimplify_call_expr.
	(gimplify_function_tree): Initialize and free
	omp_resolved_variant_calls around the call to gimplify_body.
	* gimplify.h (omp_construct_selector_matches): Delete.
	(omp_get_construct_context): New.
	* omp-general.cc (omp_construct_traits_to_codes): Delete.
	(omp_maybe_offloaded): Add construct_context parameter and comments.
	Use construct_context to check for nesting in a target directive
	instead of calling omp_construct_selector_matches.
	(expr_uses_parm_decl): New.
	(omp_check_context_selector): Don't reject target_device selector
	for "declare variant".  Add missing check for invalid simd properties.
	Reject dynamic selectors that reference parameter variables in
	"declare variant" with a "sorry".
	(omp_construct_traits_match): New.
	(omp_context_selector_matches): Adjust parameters to pass in
	construct_context.  Rewrite construct selector matching to
	use omp_construct_traits_match.  Replace unnecessary conditionals
	checking that traits match the right selector set with asserts.
	(omp_construct_simd_compare): Add match_p parameter, use it to
	enable additional matching rules for simdlen and align clauses.
	(omp_context_selector_set_compare): Make static.  Adjust
	call to omp_construct_simd_compare).
	(omp_dynamic_cond): Clean up code missed in a previously-committed
	patch.
	(omp_context_compare_score): Adjust parameters, rewrite and add
	comments.
	(omp_complete_construct_context): New.
	(omp_resolve_late_declare_variant): Delete.
	(omp_declare_variant_remove_hook): Delete.
	(omp_resolve_declare_variant): Delete.
	(omp_get_dynamic_candidates): Make non-static and adjust parameters.
	Call omp_complete_construct_context and pass the result to
	omp_context_selector_matches.  Add more comments, debug output,
	and logic to allow resolution in some cases where candidates
	cannot be scored accurately.
	(omp_declare_variant_candidates): New.
	(omp_metadirective_candidates): New, split from...
	(omp_early_resolve_metadirective): ...here.
	(omp_late_resolve_metadirective): Explicitly initialize
	dynamic_selector field.  Adjust call to omp_get_dynamic_candidates.
	* omp-general.h (struct omp_variant): Add comments explaining
	how this is used for "declare variant".
	(omp_construct_traits_to_codes): Delete.
	(omp_context_selector_matches): Adjust parameters.
	(omp_context_selector_set_compare): Delete.
	(omp_resolve_declare_variant): Delete.
	(omp_declare_variant_candidates): Declare.
	(omp_metadirective_candidates): Declare.
	(omp_get_dynamic_candidates): Declare.
	* omp-offload.cc (execute_omp_device_lower): Remove logic
	for the old way of handling declare variant.
	* tree-inline.cc (remap_gimple_stmt): Copy metadirective context.

2024-05-04  Sandra Loosemore  <sloosemore@baylibre.com>

	* omp-general.cc (omp_check_context_selector): Reject other
	properties in the same selector set with kind(any).

2024-05-04  Sandra Loosemore  <sloosemore@baylibre.com>

	* cgraph.h (struct cgraph_node): Add has_metadirectives flag.
	* cgraphclones.cc (cgraph_node::create_clone): Copy has_metadirectives
	flag.
	* doc/gimple.texi (Class hierarchy of GIMPLE statements): Document
	gomp_metadirective and gomp_variant.
	* gimple-low.cc (lower_omp_metadirective): New.
	(lower_stmt): Call it.
	* gimple-pretty-print.cc (dump_gimple_omp_metadirective): New.
	(pp_gimple_stmt_1): Call it.
	* gimple-streamer-in.cc (input_gimple_stmt): Handle
	GIMPLE_OMP_METADIRECTIVE.
	* gimple-streamer-out.cc (output_gimple_stmt): Likewise.
	* gimple-walk.cc (walk_gimple_op): Likewise.
	(walk_gimple_stmt): Likewise.
	* gimple.cc (gimple_alloc_omp_metadirective): New.
	(gimple_build_omp_metadirective): New.
	(gimple_build_omp_variant): New.
	* gimple.def (GIMPLE_OMP_METADIRECTIVE): New.
	(GIMPLE_OMP_METADIRECTIVE_VARIANT): New.
	* gimple.h (gomp_variant, gomp_metadirective): New.
	(is_a_helper <gomp_metadirective *>::test): New.
	(is_a_helper <gomp_variant *>::test): New.
	(is_a_helper <const gomp_metadirective *>::test): New.
	(is_a_helper <const gomp_variant *>::test): New.
	(gimple_alloc_omp_metadirective): New.
	(gimple_build_omp_metadirective): New.
	(gimple_build_omp_variant): New.
	(gimple_has_substatements): Handle GIMPLE_OMP_METADIRECTIVE.
	(gimple_has_ops): Likewise.
	(gimple_omp_metadirective_label): New.
	(gimple_omp_metadirective_set_label): New.
	(gimple_omp_variants): New.
	(gimple_omp_metadirective_set_variants): New.
	(gimple_return_set_retval): Handle GIMPLE_OMP_METADIRECTIVE.
	* gimplify.cc (is_gimple_stmt): HANDLE OMP_METADIRECTIVE.
	(expand_omp_metadirective): New.
	(gimplify_omp_metadirective): New.
	(gimplify_expr): Call it.
	* gsstruct.def (GSS_OMP_METADIRECTIVE): New.
	(GSS_OMP_METADIRECTIVE_VARIANT): New.
	* lto-cgraph.cc (lto_output_node): Handle has_metadirectives flag.
	(input_overwrite_node): Likewise.
	* omp-expand.cc (expand_omp_target): Propagate has_metadirectives
	flag.
	(build_omp_regions_1): Handle GIMPLE_OMP_METADIRECTIVE.
	(omp_make_gimple_edges): Likewise.
	* omp-general.cc (omp_late_resolve_metadirective): New.
	* omp-general.h (omp_late_resolve_metadirective): Declare.
	* omp-low.cc (struct omp_context): Add next_clone field.
	(new_omp_context): Handle next_clone field.
	(clone_omp_context): New.
	(delete_omp_context): Delete clones.
	(create_omp_child_function): Propagate has_metadirectives bit.
	(scan_omp_metadirective): New.
	(scan_omp_1_stmt): Handle GIMPLE_OMP_METADIRECTIVE.
	(lower_omp_metadirective): New.
	(lower_omp_1): Handle GIMPLE_OMP_METADIRECTIVE.  Warn about
	direct calls to offloadable functions containing metadirectives.
	* omp-offload.cc: Include cfganal.h and cfghooks.h.
	(omp_expand_metadirective): New.
	(execute_omp_device_lower): Handle metadirectives.
	(pass_omp_device_lower::gate): 	Check has_metadirectives bit.
	* omp-simd-clone.cc (simd_clone_create): Propagate has_metadirectives
	flag.
	* tree-cfg.cc (cleanup_dead_labels): Handle GIMPLE_OMP_METADIRECTIVE.
	(gimple_redirect_edge_and_branch): Likewise.
	* tree-inline.cc (remap_gimple_stmt): Handle GIMPLE_OMP_METADIRECTIVE.
	(estimate_num_instructions): Likewise.
	(expand_call_inline): Propagate has_metadirectives flag.
	(tree_function_versioning): Likewise.
	* tree-ssa-operands.cc: Include omp-general.h.
	(operands_scanner::parse_ssa_operands): Handle
	GIMPLE_OMP_METADIRECTIVE.

2024-05-04  Sandra Loosemore  <sloosemore@baylibre.com>

	* Makefile.in (GTFILES): Move omp-general.h earlier in the list.
	* builtin-types.def (BT_FN_BOOL_INT_CONST_PTR_CONST_PTR_CONST_PTR):
	New.
	* doc/generic.texi (OpenMP): Document OMP_METADIRECTIVE and
	context selector interfaces.
	* omp-builtins.def (BUILT_IN_GOMP_EVALUATE_TARGET_DEVICE): New.
	* omp-general.cc (omp_check_context_selector): Add metadirective_p
	parameter, use it to conditionalize target_device support.
	(make_omp_metadirective_variant): New.
	(omp_context_selector_matches): Add metadirective_p and delay_p
	parameters, use them to control things that can only be matched
	late.  Handle OMP_TRAIT_SET_TARGET_DEVICE.
	(score_wide_int): Move definition to omp-general.h.
	(omp_encode_kind_arch_isa_props): New.
	(omp_dynamic_cond): New.
	(omp_context_compute_score): Handle OMP_TRAIT_SET_TARGET_DEVICE.
	(omp_resolve_late_declare_variant, omp_resolve_declare_variant):
	Adjust calls to omp_context_selector_matches.
	(sort_variant): New.
	(omp_get_dynamic_candidates): New.
	(omp_early_resolve_metadirective): New.
	* omp-general.h (score_wide_int): Moved here from omp-general.cc.
	(struct omp_variant): New.
	(OMP_METADIRECTIVE_VARIANT_SELECTOR): New.
	(OMP_METADIRECTIVE_VARIANT_DIRECTIVE): New.
	(OMP_METADIRECTIVE_VARIANT_BODY): New.
	(make_omp_metadirective_variant): Declare.
	(omp_check_context_selector): Adjust to match definition.
	(omp_context_selector_matches): Likewise.
	(omp_early_resolve_metadirective): New.
	* tree-pretty-print.cc (dump_omp_context_selector): Remove
	static qualifier.
	(dump_generic_node): Handle OMP_METADIRECTIVE.
	* tree-pretty-print.h (dump_omp_context_selector): Declare.
	* tree.def (OMP_METADIRECTIVE): New.
	* tree.h (OMP_METADIRECTIVE_VARIANTS): New.

2023-10-30  Tobias Burnus  <tobias@codesourcery.com>

	* gcc/gimplify.cc (gimplify_omp_allocate): Gimplify allocator.
	* omp-low.cc (lower_omp_allocate): Simplify; GOMP_free can also
	take a plain 0 as allocator argument (arg is unused in libgomp).

2023-07-14  Julian Brown  <julian@codesourcery.com>

	* omp-low.cc (lower_omp_target): Reverse iteration over array
	dimensions.

2023-07-12  Julian Brown  <julian@codesourcery.com>

	* omp-low.cc (lower_omp_target): Calculate volume enclosing
	transferred elements instead of using whole array size for
	noncontiguous 'target update' operations.

2023-07-03  Julian Brown  <julian@codesourcery.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.

2023-07-03  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.

2023-06-30  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.

2023-06-30  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.

2023-06-19  Julian Brown  <julian@codesourcery.com>

	* gimplify.cc (gimplify_adjust_omp_clauses_1): Set
	OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P for OpenACC also.

2023-06-19  Julian Brown  <julian@codesourcery.com>

	* gimplify.cc (gimplify_adjust_omp_clauses_1): Handle "oacc declare
	create" attribute.

2023-06-19  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.

2023-05-12  Julian Brown  <julian@codesourcery.com>

	* omp-builtins.def (BUILT_IN_OMP_IS_INITIAL_DEVICE): New builtin.
	* tree.cc (get_file_function_name): Support names for on-target
	constructor/destructor functions.

2024-06-05  Jakub Jelinek  <jakub@redhat.com>
	    Frederik Harwath  <frederik@codesourcery.com>
	    Sandra Loosemore  <sandra@codesourcery.com>

	* tree.def (OMP_TILE, OMP_UNROLL): New tree codes.
	* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_PARTIAL,
	OMP_CLAUSE_FULL and OMP_CLAUSE_SIZES.
	* tree.h (OMP_LOOPXFORM_CHECK): Define.
	(OMP_LOOPXFORM_LOWERED): Define.
	(OMP_CLAUSE_PARTIAL_EXPR): Define.
	(OMP_CLAUSE_SIZES_LIST): Define.
	* tree.cc (omp_clause_num_ops, omp_clause_code_name): Add entries
	for OMP_CLAUSE_{PARTIAL,FULL,SIZES}.
	* tree-pretty-print.cc (dump_omp_clause): Handle
	OMP_CLAUSE_{PARTIAL,FULL,SIZES}.
	(dump_generic_node): Handle OMP_TILE and OMP_UNROLL.  Skip printing
	loops with NULL OMP_FOR_INIT (node) vector element.
	* gimplify.cc (is_gimple_stmt): Handle OMP_TILE and OMP_UNROLL.
	(gimplify_omp_taskloop_expr): For SAVE_EXPR use gimplify_save_expr.
	(gimplify_omp_loop_xform): New function.
	(gimplify_omp_for): Call omp_maybe_apply_loop_xforms and if that
	reshuffles what the passed pointer points to, retry or return GS_OK.
	Handle OMP_TILE and OMP_UNROLL.
	(gimplify_omp_loop): Call omp_maybe_apply_loop_xforms and if that
	reshuffles what the passed pointer points to, return GS_OK.
	(gimplify_expr): Handle OMP_TILE and OMP_UNROLL.
	* omp-general.h (omp_loop_number_of_iterations,
	omp_maybe_apply_loop_xforms): Declare.
	* omp-general.cc (omp_adjust_for_condition): For LE_EXPR and GE_EXPR
	with pointers, don't add/subtract one, but the size of what the
	pointer points to.
	(omp_loop_number_of_iterations, omp_apply_tile,
	find_nested_loop_xform, omp_maybe_apply_loop_xforms): New functions.

2023-03-17  Andrew Stubbs  <ams@codesourcery.com>

	* config/gcn/gcn-valu.md (gather_load<mode><vndi>): New.
	(scatter_store<mode><vndi>): New.
	(mask_gather_load<mode><vndi>): New.
	(mask_scatter_store<mode><vndi>): New.

2024-05-10  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.md (nvptx_uniform_warp_check): Make fit for
	non-full-warp execution, via 'vote.all.pred'.
	gcc/testsuite/
	* gcc.target/nvptx/nvptx.exp
	(check_effective_target_default_ptx_isa_version_at_least_6_0):
	New.
	* gcc.target/nvptx/uniform-simt-2.c: Adjust.
	* gcc.target/nvptx/uniform-simt-5.c: New.

2024-05-28  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.h: Configure global constructor, destructor
	support.
	gcc/testsuite/
	* gcc.dg/no_profile_instrument_function-attr-1.c: GCC/nvptx is
	'NO_DOT_IN_LABEL' but not 'NO_DOLLAR_IN_LABEL', so '$' may apper
	in identifiers.
	* lib/target-supports.exp
	(check_effective_target_global_constructor): Enable for nvptx.
	libgcc/
	* config/nvptx/crt0.c (__gbl_ctors): New weak function.
	(__main): Invoke it.
	* config/nvptx/gbl-ctors.c: New.
	* config/nvptx/t-nvptx: Configure global constructor, destructor
	support.

2022-10-24  Andrew Stubbs  <ams@codesourcery.com>

	* tree-vect-data-refs.cc (vect_analyze_data_refs): Workaround an
	address-space bug.

2023-11-19  Tobias Burnus  <tobias@codesourcery.com>
	    Chung-Lin Tang <cltang@codesourcery.com>

	* builtin-types.def (BT_FN_VOID_PTRMODE):
	(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):
	* 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.

2022-10-21  Tobias Burnus  <tobias@codesourcery.com>

	* omp-oacc-kernels-decompose.cc (top_level_omp_for_in_stmt,
	decompose_kernels_region_body): Handle GIMPLE_DEBUG like
	simple assignment.

2022-07-12  Andrew Stubbs  <ams@codesourcery.com>

	* gimple-loop-versioning.cc (loop_versioning::loop_versioning): Add
	comment.
	* omp-general.cc (omp_max_simd_vf): New function.
	* omp-general.h (omp_max_simd_vf): New prototype.
	* omp-low.cc (lower_rec_simd_input_clauses): Select largest from
	  omp_max_vf, omp_max_simt_vf, and omp_max_simd_vf.

2023-08-23  Andrew Stubbs  <ams@codesourcery.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.

2023-08-23  Andrew Stubbs  <ams@codesourcery.com>

	* common.opt: Add -foffload-memory and its enum values.
	* coretypes.h (enum offload_memory): New.
	* doc/invoke.texi: Document -foffload-memory.

2022-10-19  Tobias Burnus  <tobias@codesourcery.com>

	* omp-expand.cc (expand_omp_target): Fix OpenACC in case there
	are more than 3 arguments to the builtin function.

2022-03-01  Tobias Burnus  <tobias@codesourcery.com>

	* langhooks-def.h (lhd_omp_deep_mapping_p,
	lhd_omp_deep_mapping_cnt, lhd_omp_deep_mapping): New.
	(LANG_HOOKS_OMP_DEEP_MAPPING_P, LANG_HOOKS_OMP_DEEP_MAPPING_CNT,
	LANG_HOOKS_OMP_DEEP_MAPPING): Define.
	(LANG_HOOKS_DECLS): Use it.
	* langhooks.cc (lhd_omp_deep_mapping_p, lhd_omp_deep_mapping_cnt,
	lhd_omp_deep_mapping): New stubs.
	* langhooks.h (struct lang_hooks_for_decls): Add new hooks
	* omp-expand.cc (expand_omp_target): Handle dynamic-size
	addr/sizes/kinds arrays.
	* omp-low.cc (build_sender_ref, fixup_child_record_type,
	scan_sharing_clauses, lower_omp_target): Update to handle
	new hooks and dynamic-size addr/sizes/kinds arrays.

2021-11-16  Frederik Harwath  <frederik@codesourcery.com>

	* tree-cfg.h (gimple_debug_cfg): Change argument type from int
	to dump_flags_t.

2021-03-01  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.

2021-02-01  Chung-Lin Tang  <cltang@codesourcery.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.

2021-01-15  Andrew Stubbs  <ams@codesourcery.com>

	* dwarf2out.cc (add_location_or_const_value_attribute): Set
	DW_AT_address_class, if appropriate.

2021-03-04  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.

2021-02-26  Andrew Stubbs  <ams@codesourcery.com>

	* dwarf2out.cc (gen_subprogram_die): Replace existing low/high PC
	attributes, rather than ICE.

2021-01-16  Andrew Stubbs  <ams@codesourcery.com>

	* dwarf2out.cc (gen_subprogram_die): Check offload attributes only.

2020-12-06  Andrew Stubbs  <ams@codesourcery.com>

	* dwarf2out.cc (gen_subprogram_die): Add high/low_pc attributes for
	parents of offload kernels.

2021-01-13  Julian Brown  <julian@codesourcery.com>

	* doc/tm.texi.in (TARGET_VECTORIZE_PREFER_GATHER_SCATTER): Add
	documentation hook.
	* doc/tm.texi: Regenerate.
	* target.def (prefer_gather_scatter): Add target hook under vectorizer.
	* tree-vect-stmts.cc (get_group_load_store_type): Optionally prefer
	gather/scatter instructions to scalar/elementwise fallback.
	* config/gcn/gcn.cc (TARGET_VECTORIZE_PREFER_GATHER_SCATTER): Define
	hook.

2021-01-13  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.

2020-06-03  Tobias Burnus  <tobias@codesourcery.com>

	* gimplify.cc (localize_reductions): Do not create local
	variable for privatized arrays.

2020-02-06  Tobias Burnus  <tobias@codesourcery.com>

	* omp-low.c (convert_from_firstprivate_int):
	Use VIEW_CONVERT also for vectors.

2023-04-17  Kwok Cheung Yeung  <kcy@codesourcery.com>

	* gimplify.cc (omp_group_base): Handle GOMP_MAP_DECLARE_ALLOCATE
	and GOMP_MAP_DECLARE_DEALLOCATE.

2020-02-19  Julian Brown  <julian@codesourcery.com>

	* gimplify.cc (gimplify_scan_omp_clauses): Handle
	GOMP_MAP_DECLARE_ALLOCATE and GOMP_MAP_DECLARE_DEALLOCATE.

2018-10-04  Cesar Philippidis  <cesar@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>

	* omp-low.c (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.
	(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.c (dump_omp_clause): Handle
	GOMP_MAP_DECLARE_{ALLOCATE,DEALLOCATE}.

2019-09-20  Julian Brown  <julian@codesourcery.com>

	* gimplify.cc (localize_reductions): Rewrite references for
	OMP_CLAUSE_PRIVATE also.

2019-09-06  Julian Brown  <julian@codesourcery.com>

	* gimplify.cc (gimplify_omp_for): Use for_stmt in call to
	localize_reductions.

2019-09-06  Julian Brown  <julian@codesourcery.com>

	* gimplify.cc (gimplify_omp_workshare): Use OMP_CLAUSES, OMP_BODY
	instead of OMP_TARGET_CLAUSES, OMP_TARGET_BODY.

2019-09-05  Cesar Philippidis  <cesar@codesourcery.com>
	    Julian Brown  <julian@codesourcery.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.

2019-07-10  Cesar Philippidis  <cesar@codesourcery.com>
	    Chung-Lin Tang  <cltang@codesourcery.com>

	* gimplify.cc (omp_add_variable): Enable firstprivate reduction
	variables.

2018-09-20  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.cc (lower_oacc_head_mark): Don't mark OpenACC auto
	loops as independent inside acc parallel regions.

2018-12-22  Cesar Philippidis  <cesar@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>
            Tobias Burnus  <tobias@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.

2018-10-05  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): Update.
	* omp-offload.cc (oacc_parse_default_dims): Update.

2018-10-30  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):
	(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):
	* config/nvptx/nvptx.md (cond_uni): New pattern.

2018-06-29  Cesar Philippidis  <cesar@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>

	* gimplify.cc (enum gimplify_omp_var_data): Add GOVD_DEVICETPR.
	(omp_notice_variable): Add GOVD_DEVICEPTR attribute when appropriate.
	(gimplify_scan_omp_clauses): Add GOVD_DEVICEPTR attribute when
	appropriate.
	(gimplify_adjust_omp_clauses_1): Set GOMP_MAP_FORCE_DEVICEPTR for
	implicit deviceptr mappings.

2023-04-18  Kwok Cheung Yeung  <kcy@codesourcery.com>

	* gimplify.cc (omp_group_base): Handle GOMP_MAP_NONCONTIG_ARRAY_*
	map types.

2020-04-19  Chung-Lin Tang  <cltang@codesourcery.com>

	PR other/76739

	* builtin-types.def (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_VAR): New type.
	* omp-builtins.def (BUILT_IN_GOACC_DATA_START): Adjust function type
	to new BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_VAR.
	* gimplify.cc (gimplify_scan_omp_clauses): Skip gimplification of
	OMP_CLAUSE_SIZE of non-contiguous array maps (which is a TREE_LIST).
	* 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.

2022-06-20  Kwok Cheung Yeung  <kcy@codesourcery.com>

	* Makefile.in (REVISION_s): Change default message.