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gcc/libgomp/libgomp_g.h
Paul-Antoine Arras 99e2906ae2 OpenMP: 'interop' construct - add ME support + target-independent libgomp 
This patch partially enables use of the OpenMP interop construct by adding
middle end support, mostly in the omplower pass, and in the target-independent
part of the libgomp runtime. It follows up on previous patches for C, C++ and
Fortran front ends support. The full interop feature requires another patch to
enable foreign runtime support in libgomp plugins.

gcc/ChangeLog:

	* 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.

gcc/c/ChangeLog:

	* c-parser.cc (c_parser_omp_clause_destroy): Make addressable.
	(c_parser_omp_clause_init): Make addressable.

gcc/cp/ChangeLog:

	* parser.cc (cp_parser_omp_clause_init): Make addressable.

gcc/fortran/ChangeLog:

	* trans-openmp.cc (gfc_trans_omp_clauses): Make OMP_CLAUSE_DESTROY and
	OMP_CLAUSE_INIT addressable.
	* types.def (BT_FN_VOID_INT_INT_PTR_PTR_PTR_INT_PTR_INT_PTR_UINT_PTR):
	New.

include/ChangeLog:

	* gomp-constants.h (GOMP_DEVICE_DEFAULT_OMP_61, GOMP_INTEROP_TARGET,
	GOMP_INTEROP_TARGETSYNC, GOMP_INTEROP_FLAG_NOWAIT): Define.

libgomp/ChangeLog:

	* icv-device.c (omp_set_default_device): Check
	GOMP_DEVICE_DEFAULT_OMP_61.
	* libgomp-plugin.h (struct interop_obj_t): New.
	(enum gomp_interop_flag): New.
	(GOMP_OFFLOAD_interop): Declare.
	(GOMP_OFFLOAD_get_interop_int): Declare.
	(GOMP_OFFLOAD_get_interop_ptr): Declare.
	(GOMP_OFFLOAD_get_interop_str): Declare.
	(GOMP_OFFLOAD_get_interop_type_desc): Declare.
	* libgomp.h (_LIBGOMP_OMP_LOCK_DEFINED): Define.
	(struct gomp_device_descr): Add interop_func, get_interop_int_func,
	get_interop_ptr_func, get_interop_str_func, get_interop_type_desc_func.
	* libgomp.map: Add GOMP_interop.
	* libgomp_g.h (GOMP_interop): Declare.
	* target.c (resolve_device): Handle GOMP_DEVICE_DEFAULT_OMP_61.
	(omp_get_interop_int): Replace stub with actual implementation.
	(omp_get_interop_ptr): Likewise.
	(omp_get_interop_str): Likewise.
	(omp_get_interop_type_desc): Likewise.
	(struct interop_data_t): Define.
	(gomp_interop_internal): New function.
	(GOMP_interop): Likewise.
	(gomp_load_plugin_for_device): Load symbols for get_interop_int,
	get_interop_ptr, get_interop_str and get_interop_type_desc.
	* testsuite/libgomp.c-c++-common/interop-1.c: New test.

gcc/testsuite/ChangeLog:

	* c-c++-common/gomp/interop-1.c: Remove dg-prune-output "sorry".
	* c-c++-common/gomp/interop-2.c: Likewise.
	* c-c++-common/gomp/interop-3.c: Likewise.
	* c-c++-common/gomp/interop-4.c: Remove dg-message "not supported".
	* g++.dg/gomp/interop-5.C: Likewise.
	* gfortran.dg/gomp/interop-4.f90: Likewise.
	* c-c++-common/gomp/interop-5.c: New test.
	* gfortran.dg/gomp/interop-5.f90: New test.

Co-authored-by: Tobias Burnus <tburnus@baylibre.com>
2025-03-21 19:24:16 +01:00

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/* Copyright (C) 2005-2025 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>.
This file is part of the GNU Offloading and Multi Processing Library
(libgomp).
Libgomp is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* This file contains prototypes of functions in the external ABI.
This file is included by files in the testsuite. */
#ifndef LIBGOMP_G_H
#define LIBGOMP_G_H 1
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
/* barrier.c */
extern void GOMP_barrier (void);
extern bool GOMP_barrier_cancel (void);
/* critical.c */
extern void GOMP_critical_start (void);
extern void GOMP_critical_end (void);
extern void GOMP_critical_name_start (void **);
extern void GOMP_critical_name_end (void **);
extern void GOMP_atomic_start (void);
extern void GOMP_atomic_end (void);
/* loop.c */
extern bool GOMP_loop_static_start (long, long, long, long, long *, long *);
extern bool GOMP_loop_dynamic_start (long, long, long, long, long *, long *);
extern bool GOMP_loop_guided_start (long, long, long, long, long *, long *);
extern bool GOMP_loop_runtime_start (long, long, long, long *, long *);
extern bool GOMP_loop_nonmonotonic_dynamic_start (long, long, long, long,
long *, long *);
extern bool GOMP_loop_nonmonotonic_guided_start (long, long, long, long,
long *, long *);
extern bool GOMP_loop_nonmonotonic_runtime_start (long, long, long,
long *, long *);
extern bool GOMP_loop_maybe_nonmonotonic_runtime_start (long, long, long,
long *, long *);
extern bool GOMP_loop_start (long, long, long, long, long, long *, long *,
uintptr_t *, void **);
extern bool GOMP_loop_ordered_static_start (long, long, long, long,
long *, long *);
extern bool GOMP_loop_ordered_dynamic_start (long, long, long, long,
long *, long *);
extern bool GOMP_loop_ordered_guided_start (long, long, long, long,
long *, long *);
extern bool GOMP_loop_ordered_runtime_start (long, long, long, long *, long *);
extern bool GOMP_loop_ordered_start (long, long, long, long, long, long *,
long *, uintptr_t *, void **);
extern bool GOMP_loop_static_next (long *, long *);
extern bool GOMP_loop_dynamic_next (long *, long *);
extern bool GOMP_loop_guided_next (long *, long *);
extern bool GOMP_loop_runtime_next (long *, long *);
extern bool GOMP_loop_nonmonotonic_dynamic_next (long *, long *);
extern bool GOMP_loop_nonmonotonic_guided_next (long *, long *);
extern bool GOMP_loop_nonmonotonic_runtime_next (long *, long *);
extern bool GOMP_loop_maybe_nonmonotonic_runtime_next (long *, long *);
extern bool GOMP_loop_ordered_static_next (long *, long *);
extern bool GOMP_loop_ordered_dynamic_next (long *, long *);
extern bool GOMP_loop_ordered_guided_next (long *, long *);
extern bool GOMP_loop_ordered_runtime_next (long *, long *);
extern bool GOMP_loop_doacross_static_start (unsigned, long *, long, long *,
long *);
extern bool GOMP_loop_doacross_dynamic_start (unsigned, long *, long, long *,
long *);
extern bool GOMP_loop_doacross_guided_start (unsigned, long *, long, long *,
long *);
extern bool GOMP_loop_doacross_runtime_start (unsigned, long *, long *,
long *);
extern bool GOMP_loop_doacross_start (unsigned, long *, long, long, long *,
long *, uintptr_t *, void **);
extern void GOMP_parallel_loop_static_start (void (*)(void *), void *,
unsigned, long, long, long, long);
extern void GOMP_parallel_loop_dynamic_start (void (*)(void *), void *,
unsigned, long, long, long, long);
extern void GOMP_parallel_loop_guided_start (void (*)(void *), void *,
unsigned, long, long, long, long);
extern void GOMP_parallel_loop_runtime_start (void (*)(void *), void *,
unsigned, long, long, long);
extern void GOMP_parallel_loop_static (void (*)(void *), void *,
unsigned, long, long, long, long,
unsigned);
extern void GOMP_parallel_loop_dynamic (void (*)(void *), void *,
unsigned, long, long, long, long,
unsigned);
extern void GOMP_parallel_loop_guided (void (*)(void *), void *,
unsigned, long, long, long, long,
unsigned);
extern void GOMP_parallel_loop_runtime (void (*)(void *), void *,
unsigned, long, long, long,
unsigned);
extern void GOMP_parallel_loop_nonmonotonic_dynamic (void (*)(void *), void *,
unsigned, long, long,
long, long, unsigned);
extern void GOMP_parallel_loop_nonmonotonic_guided (void (*)(void *), void *,
unsigned, long, long,
long, long, unsigned);
extern void GOMP_parallel_loop_nonmonotonic_runtime (void (*)(void *), void *,
unsigned, long, long,
long, unsigned);
extern void GOMP_parallel_loop_maybe_nonmonotonic_runtime (void (*)(void *),
void *, unsigned,
long, long,
long, unsigned);
extern void GOMP_loop_end (void);
extern void GOMP_loop_end_nowait (void);
extern bool GOMP_loop_end_cancel (void);
/* loop_ull.c */
extern bool GOMP_loop_ull_static_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_dynamic_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_guided_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_runtime_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_nonmonotonic_dynamic_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_nonmonotonic_guided_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_nonmonotonic_runtime_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_maybe_nonmonotonic_runtime_start (bool,
unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_start (bool, unsigned long long, unsigned long long,
unsigned long long, long, unsigned long long,
unsigned long long *, unsigned long long *,
uintptr_t *, void **);
extern bool GOMP_loop_ull_ordered_static_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_ordered_dynamic_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_ordered_guided_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_ordered_runtime_start (bool, unsigned long long,
unsigned long long,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_ordered_start (bool, unsigned long long,
unsigned long long,
unsigned long long, long,
unsigned long long,
unsigned long long *,
unsigned long long *,
uintptr_t *, void **);
extern bool GOMP_loop_ull_static_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_dynamic_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_guided_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_runtime_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_nonmonotonic_dynamic_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_nonmonotonic_guided_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_nonmonotonic_runtime_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_maybe_nonmonotonic_runtime_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_ordered_static_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_ordered_dynamic_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_ordered_guided_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_ordered_runtime_next (unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_doacross_static_start (unsigned,
unsigned long long *,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_doacross_dynamic_start (unsigned,
unsigned long long *,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_doacross_guided_start (unsigned,
unsigned long long *,
unsigned long long,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_doacross_runtime_start (unsigned,
unsigned long long *,
unsigned long long *,
unsigned long long *);
extern bool GOMP_loop_ull_doacross_start (unsigned, unsigned long long *,
long, unsigned long long,
unsigned long long *,
unsigned long long *,
uintptr_t *, void **);
/* ordered.c */
extern void GOMP_ordered_start (void);
extern void GOMP_ordered_end (void);
extern void GOMP_doacross_post (long *);
extern void GOMP_doacross_wait (long, ...);
extern void GOMP_doacross_ull_post (unsigned long long *);
extern void GOMP_doacross_ull_wait (unsigned long long, ...);
/* parallel.c */
extern void GOMP_parallel_start (void (*) (void *), void *, unsigned);
extern void GOMP_parallel_end (void);
extern void GOMP_parallel (void (*) (void *), void *, unsigned, unsigned);
extern unsigned GOMP_parallel_reductions (void (*) (void *), void *, unsigned,
unsigned);
extern bool GOMP_cancel (int, bool);
extern bool GOMP_cancellation_point (int);
/* task.c */
extern void GOMP_task (void (*) (void *), void *, void (*) (void *, void *),
long, long, bool, unsigned, void **, int, void *);
extern void GOMP_taskloop (void (*) (void *), void *,
void (*) (void *, void *), long, long, unsigned,
unsigned long, int, long, long, long);
extern void GOMP_taskloop_ull (void (*) (void *), void *,
void (*) (void *, void *), long, long,
unsigned, unsigned long, int,
unsigned long long, unsigned long long,
unsigned long long);
extern void GOMP_taskwait (void);
extern void GOMP_taskwait_depend (void **);
extern void GOMP_taskwait_depend_nowait (void **);
extern void GOMP_taskyield (void);
extern void GOMP_taskgroup_start (void);
extern void GOMP_taskgroup_end (void);
extern void GOMP_taskgroup_reduction_register (uintptr_t *);
extern void GOMP_taskgroup_reduction_unregister (uintptr_t *);
extern void GOMP_task_reduction_remap (size_t, size_t, void **);
extern void GOMP_workshare_task_reduction_unregister (bool);
/* sections.c */
extern unsigned GOMP_sections_start (unsigned);
extern unsigned GOMP_sections2_start (unsigned, uintptr_t *, void **);
extern unsigned GOMP_sections_next (void);
extern void GOMP_parallel_sections_start (void (*) (void *), void *,
unsigned, unsigned);
extern void GOMP_parallel_sections (void (*) (void *), void *,
unsigned, unsigned, unsigned);
extern void GOMP_sections_end (void);
extern void GOMP_sections_end_nowait (void);
extern bool GOMP_sections_end_cancel (void);
/* single.c */
extern bool GOMP_single_start (void);
extern void *GOMP_single_copy_start (void);
extern void GOMP_single_copy_end (void *);
/* scope.c */
extern void GOMP_scope_start (uintptr_t *);
/* target.c */
extern void GOMP_target (int, void (*) (void *), const void *,
size_t, void **, size_t *, unsigned char *);
extern void GOMP_target_ext (int, void (*) (void *), size_t, void **, size_t *,
unsigned short *, unsigned int, void **, void **);
extern void GOMP_target_data (int, const void *,
size_t, void **, size_t *, unsigned char *);
extern void GOMP_target_data_ext (int, size_t, void **, size_t *,
unsigned short *);
extern void GOMP_target_end_data (void);
extern void GOMP_target_update (int, const void *,
size_t, void **, size_t *, unsigned char *);
extern void GOMP_target_update_ext (int, size_t, void **, size_t *,
unsigned short *, unsigned int, void **);
extern void GOMP_target_enter_exit_data (int, size_t, void **, size_t *,
unsigned short *, unsigned int,
void **);
extern void GOMP_teams (unsigned int, unsigned int);
extern bool GOMP_teams4 (unsigned int, unsigned int, unsigned int, bool);
extern void *GOMP_target_map_indirect_ptr (void *);
struct interop_obj_t;
extern void GOMP_interop (int, int, struct interop_obj_t ***, const int *,
const char **, int, struct interop_obj_t **, int,
struct interop_obj_t ***, unsigned, void **);
/* teams.c */
extern void GOMP_teams_reg (void (*) (void *), void *, unsigned, unsigned,
unsigned);
/* allocator.c */
extern void GOMP_add_alloc (void *);
extern bool GOMP_is_alloc (void *);
extern void *GOMP_alloc (size_t, size_t, uintptr_t);
extern void GOMP_free (void *, uintptr_t);
/* error.c */
extern void GOMP_warning (const char *, size_t);
extern void GOMP_error (const char *, size_t);
/* oacc-async.c */
extern void GOACC_wait (int, int, ...);
/* oacc-mem.c */
extern void GOACC_enter_exit_data (int, size_t, void **, size_t *,
unsigned short *, int, int, ...);
extern void GOACC_enter_data (int, size_t, void **, size_t *,
unsigned short *, int, int, ...);
extern void GOACC_exit_data (int, size_t, void **, size_t *,
unsigned short *, int, int, ...);
extern void GOACC_declare (int, size_t, void **, size_t *, unsigned short *);
/* oacc-parallel.c */
extern void GOACC_parallel_keyed (int, void (*) (void *), size_t,
void **, size_t *, unsigned short *, ...);
extern void GOACC_parallel (int, void (*) (void *), size_t, void **, size_t *,
unsigned short *, int, int, int, int, int, ...);
extern void GOACC_data_start (int, size_t, void **, size_t *,
unsigned short *);
extern void GOACC_data_end (void);
extern void GOACC_update (int, size_t, void **, size_t *,
unsigned short *, int, int, ...);
extern int GOACC_get_num_threads (void);
extern int GOACC_get_thread_num (void);
#endif /* LIBGOMP_G_H */
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