[thirdparty/gcc.git] / include / gomp-constants.h

/* Communication between GCC and libgomp.

   Copyright (C) 2014-2020 Free Software Foundation, Inc.

   Contributed by Mentor Embedded.

   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/>.  */

#ifndef GOMP_CONSTANTS_H
#define GOMP_CONSTANTS_H 1

/* Memory mapping types.  */

/* One byte.  */
#define GOMP_MAP_LAST			(1 << 8)

#define GOMP_MAP_FLAG_TO		(1 << 0)
#define GOMP_MAP_FLAG_FROM		(1 << 1)
/* Special map kinds, enumerated starting here.  */
#define GOMP_MAP_FLAG_SPECIAL_0		(1 << 2)
#define GOMP_MAP_FLAG_SPECIAL_1		(1 << 3)
#define GOMP_MAP_FLAG_SPECIAL_2		(1 << 4)
#define GOMP_MAP_FLAG_SPECIAL_4		(1 << 6)
#define GOMP_MAP_FLAG_SPECIAL		(GOMP_MAP_FLAG_SPECIAL_1 \
					 | GOMP_MAP_FLAG_SPECIAL_0)
#define GOMP_MAP_DEEP_COPY		(GOMP_MAP_FLAG_SPECIAL_4 \
					 | GOMP_MAP_FLAG_SPECIAL_2)
/* Flag to force a specific behavior (or else, trigger a run-time error).  */
#define GOMP_MAP_FLAG_FORCE		(1 << 7)

enum gomp_map_kind
  {
    /* If not already present, allocate.  */
    GOMP_MAP_ALLOC =			0,
    /* ..., and copy to device.  */
    GOMP_MAP_TO =			(GOMP_MAP_ALLOC | GOMP_MAP_FLAG_TO),
    /* ..., and copy from device.  */
    GOMP_MAP_FROM =			(GOMP_MAP_ALLOC | GOMP_MAP_FLAG_FROM),
    /* ..., and copy to and from device.  */
    GOMP_MAP_TOFROM =			(GOMP_MAP_TO | GOMP_MAP_FROM),
    /* The following kind is an internal only map kind, used for pointer based
       array sections.  OMP_CLAUSE_SIZE for these is not the pointer size,
       which is implicitly POINTER_SIZE_UNITS, but the bias.  */
    GOMP_MAP_POINTER =			(GOMP_MAP_FLAG_SPECIAL_0 | 0),
    /* Also internal, behaves like GOMP_MAP_TO, but additionally any
       GOMP_MAP_POINTER records consecutive after it which have addresses
       falling into that range will not be ignored if GOMP_MAP_TO_PSET wasn't
       mapped already.  */
    GOMP_MAP_TO_PSET =			(GOMP_MAP_FLAG_SPECIAL_0 | 1),
    /* Must already be present.  */
    GOMP_MAP_FORCE_PRESENT =		(GOMP_MAP_FLAG_SPECIAL_0 | 2),
    /* Deallocate a mapping, without copying from device.  */
    GOMP_MAP_DELETE =			(GOMP_MAP_FLAG_SPECIAL_0 | 3),
    /* Is a device pointer.  OMP_CLAUSE_SIZE for these is unused; is implicitly
       POINTER_SIZE_UNITS.  */
    GOMP_MAP_FORCE_DEVICEPTR =		(GOMP_MAP_FLAG_SPECIAL_1 | 0),
    /* OpenACC device_resident.  */
    GOMP_MAP_DEVICE_RESIDENT =		(GOMP_MAP_FLAG_SPECIAL_1 | 1),
    /* OpenACC link.  */
    GOMP_MAP_LINK =			(GOMP_MAP_FLAG_SPECIAL_1 | 2),
    /* Use device data if present, fall back to host address otherwise.  */
    GOMP_MAP_IF_PRESENT =		(GOMP_MAP_FLAG_SPECIAL_1 | 3),
    /* Do not map, copy bits for firstprivate instead.  */
    GOMP_MAP_FIRSTPRIVATE =		(GOMP_MAP_FLAG_SPECIAL | 0),
    /* Similarly, but store the value in the pointer rather than
       pointed by the pointer.  */
    GOMP_MAP_FIRSTPRIVATE_INT =		(GOMP_MAP_FLAG_SPECIAL | 1),
    /* Pointer translate host address into device address and copy that
       back to host.  */
    GOMP_MAP_USE_DEVICE_PTR =		(GOMP_MAP_FLAG_SPECIAL | 2),
    /* Allocate a zero length array section.  Prefer next non-zero length
       mapping over previous non-zero length mapping over zero length mapping
       at the address.  If not already mapped, do nothing (and pointer translate
       to NULL).  */
    GOMP_MAP_ZERO_LEN_ARRAY_SECTION = 	(GOMP_MAP_FLAG_SPECIAL | 3),
    /* Allocate.  */
    GOMP_MAP_FORCE_ALLOC =		(GOMP_MAP_FLAG_FORCE | GOMP_MAP_ALLOC),
    /* ..., and copy to device.  */
    GOMP_MAP_FORCE_TO =			(GOMP_MAP_FLAG_FORCE | GOMP_MAP_TO),
    /* ..., and copy from device.  */
    GOMP_MAP_FORCE_FROM =		(GOMP_MAP_FLAG_FORCE | GOMP_MAP_FROM),
    /* ..., and copy to and from device.  */
    GOMP_MAP_FORCE_TOFROM =		(GOMP_MAP_FLAG_FORCE | GOMP_MAP_TOFROM),
    /* Like GOMP_MAP_USE_DEVICE_PTR above, translate a host to a device
       address.  If translation fails because the target is not mapped,
       continue using the host address. */
    GOMP_MAP_USE_DEVICE_PTR_IF_PRESENT = (GOMP_MAP_FLAG_SPECIAL_2 | 0),
    /* If not already present, allocate.  And unconditionally copy to
       device.  */
    GOMP_MAP_ALWAYS_TO =		(GOMP_MAP_FLAG_SPECIAL_2 | GOMP_MAP_TO),
    /* If not already present, allocate.  And unconditionally copy from
       device.  */
    GOMP_MAP_ALWAYS_FROM =		(GOMP_MAP_FLAG_SPECIAL_2
					 | GOMP_MAP_FROM),
    /* If not already present, allocate.  And unconditionally copy to and from
       device.  */
    GOMP_MAP_ALWAYS_TOFROM =		(GOMP_MAP_FLAG_SPECIAL_2
					 | GOMP_MAP_TOFROM),
    /* Map a sparse struct; the address is the base of the structure, alignment
       it's required alignment, and size is the number of adjacent entries
       that belong to the struct.  The adjacent entries should be sorted by
       increasing address, so it is easy to determine lowest needed address
       (address of the first adjacent entry) and highest needed address
       (address of the last adjacent entry plus its size).  */
    GOMP_MAP_STRUCT =			(GOMP_MAP_FLAG_SPECIAL_2
					 | GOMP_MAP_FLAG_SPECIAL | 0),
    /* On a location of a pointer/reference that is assumed to be already mapped
       earlier, store the translated address of the preceeding mapping.
       No refcount is bumped by this, and the store is done unconditionally.  */
    GOMP_MAP_ALWAYS_POINTER =		(GOMP_MAP_FLAG_SPECIAL_2
					 | GOMP_MAP_FLAG_SPECIAL | 1),
    /* Forced deallocation of zero length array section.  */
    GOMP_MAP_DELETE_ZERO_LEN_ARRAY_SECTION
      =					(GOMP_MAP_FLAG_SPECIAL_2
					 | GOMP_MAP_FLAG_SPECIAL | 3),
    /* Decrement usage count and deallocate if zero.  */
    GOMP_MAP_RELEASE =			(GOMP_MAP_FLAG_SPECIAL_2
					 | GOMP_MAP_DELETE),
    /* In OpenACC, attach a pointer to a mapped struct field.  */
    GOMP_MAP_ATTACH =			(GOMP_MAP_DEEP_COPY | 0),
    /* In OpenACC, detach a pointer to a mapped struct field.  */
    GOMP_MAP_DETACH =			(GOMP_MAP_DEEP_COPY | 1),
    /* In OpenACC, detach a pointer to a mapped struct field.  */
    GOMP_MAP_FORCE_DETACH =		(GOMP_MAP_DEEP_COPY
					 | GOMP_MAP_FLAG_FORCE | 1),

    /* Internal to GCC, not used in libgomp.  */
    /* Do not map, but pointer assign a pointer instead.  */
    GOMP_MAP_FIRSTPRIVATE_POINTER =	(GOMP_MAP_LAST | 1),
    /* Do not map, but pointer assign a reference instead.  */
    GOMP_MAP_FIRSTPRIVATE_REFERENCE =	(GOMP_MAP_LAST | 2),
    /* An attach or detach operation.  Rewritten to the appropriate type during
       gimplification, depending on directive (i.e. "enter data" or
       parallel/kernels region vs. "exit data").  */
    GOMP_MAP_ATTACH_DETACH =		(GOMP_MAP_LAST | 3)
  };

#define GOMP_MAP_COPY_TO_P(X) \
  (!((X) & GOMP_MAP_FLAG_SPECIAL) \
   && ((X) & GOMP_MAP_FLAG_TO))

#define GOMP_MAP_COPY_FROM_P(X) \
  (!((X) & GOMP_MAP_FLAG_SPECIAL) \
   && ((X) & GOMP_MAP_FLAG_FROM))

#define GOMP_MAP_POINTER_P(X) \
  ((X) == GOMP_MAP_POINTER)

#define GOMP_MAP_ALWAYS_TO_P(X) \
  (((X) == GOMP_MAP_ALWAYS_TO) || ((X) == GOMP_MAP_ALWAYS_TOFROM))

#define GOMP_MAP_ALWAYS_FROM_P(X) \
  (((X) == GOMP_MAP_ALWAYS_FROM) || ((X) == GOMP_MAP_ALWAYS_TOFROM))

#define GOMP_MAP_ALWAYS_P(X) \
  (GOMP_MAP_ALWAYS_TO_P (X) || ((X) == GOMP_MAP_ALWAYS_FROM))


/* Asynchronous behavior.  Keep in sync with
   libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_async_t.  */

#define GOMP_ASYNC_NOVAL		-1
#define GOMP_ASYNC_SYNC			-2


/* Device codes.  Keep in sync with
   libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_device_t as well as
   libgomp/libgomp-plugin.h.  */
#define GOMP_DEVICE_NONE		0
#define GOMP_DEVICE_DEFAULT		1
#define GOMP_DEVICE_HOST		2
/* #define GOMP_DEVICE_HOST_NONSHM	3 removed.  */
#define GOMP_DEVICE_NOT_HOST		4
#define GOMP_DEVICE_NVIDIA_PTX		5
#define GOMP_DEVICE_INTEL_MIC		6
#define GOMP_DEVICE_HSA			7
#define GOMP_DEVICE_GCN			8

#define GOMP_DEVICE_ICV			-1
#define GOMP_DEVICE_HOST_FALLBACK	-2

/* GOMP_task/GOMP_taskloop* flags argument.  */
#define GOMP_TASK_FLAG_UNTIED		(1 << 0)
#define GOMP_TASK_FLAG_FINAL		(1 << 1)
#define GOMP_TASK_FLAG_MERGEABLE	(1 << 2)
#define GOMP_TASK_FLAG_DEPEND		(1 << 3)
#define GOMP_TASK_FLAG_PRIORITY		(1 << 4)
#define GOMP_TASK_FLAG_UP		(1 << 8)
#define GOMP_TASK_FLAG_GRAINSIZE	(1 << 9)
#define GOMP_TASK_FLAG_IF		(1 << 10)
#define GOMP_TASK_FLAG_NOGROUP		(1 << 11)
#define GOMP_TASK_FLAG_REDUCTION	(1 << 12)

/* GOMP_target{_ext,update_ext,enter_exit_data} flags argument.  */
#define GOMP_TARGET_FLAG_NOWAIT		(1 << 0)
#define GOMP_TARGET_FLAG_EXIT_DATA	(1 << 1)
/* Internal to libgomp.  */
#define GOMP_TARGET_FLAG_UPDATE		(1U << 31)


/* OpenACC construct flags.  */

/* Force host fallback execution.  */
#define GOACC_FLAG_HOST_FALLBACK	(1 << 0)

/* For legacy reasons, in the ABI, the GOACC_FLAGs are encoded as an inverted
   bitmask.  */
#define GOACC_FLAGS_MARSHAL_OP		BIT_NOT_EXPR
#define GOACC_FLAGS_UNMARSHAL(X)	(~(X))


/* Versions of libgomp and device-specific plugins.  GOMP_VERSION
   should be incremented whenever an ABI-incompatible change is introduced
   to the plugin interface defined in libgomp/libgomp.h.  */
#define GOMP_VERSION	1
#define GOMP_VERSION_NVIDIA_PTX 1
#define GOMP_VERSION_INTEL_MIC 0
#define GOMP_VERSION_HSA 0
#define GOMP_VERSION_GCN 1

#define GOMP_VERSION_PACK(LIB, DEV) (((LIB) << 16) | (DEV))
#define GOMP_VERSION_LIB(PACK) (((PACK) >> 16) & 0xffff)
#define GOMP_VERSION_DEV(PACK) ((PACK) & 0xffff)

#define GOMP_DIM_GANG	0
#define GOMP_DIM_WORKER	1
#define GOMP_DIM_VECTOR	2
#define GOMP_DIM_MAX	3
#define GOMP_DIM_MASK(X) (1u << (X))

/* Varadic launch arguments.  End of list is marked by a zero.  */
#define GOMP_LAUNCH_DIM		1  /* Launch dimensions, op = mask */
#define GOMP_LAUNCH_ASYNC	2  /* Async, op = cst val if not MAX  */
#define GOMP_LAUNCH_WAIT	3  /* Waits, op = num waits.  */
#define GOMP_LAUNCH_CODE_SHIFT	28
#define GOMP_LAUNCH_DEVICE_SHIFT 16
#define GOMP_LAUNCH_OP_SHIFT 0
#define GOMP_LAUNCH_PACK(CODE,DEVICE,OP)	\
  (((CODE) << GOMP_LAUNCH_CODE_SHIFT)		\
   | ((DEVICE) << GOMP_LAUNCH_DEVICE_SHIFT)	\
   | ((OP) << GOMP_LAUNCH_OP_SHIFT))
#define GOMP_LAUNCH_CODE(X) (((X) >> GOMP_LAUNCH_CODE_SHIFT) & 0xf)
#define GOMP_LAUNCH_DEVICE(X) (((X) >> GOMP_LAUNCH_DEVICE_SHIFT) & 0xfff)
#define GOMP_LAUNCH_OP(X) (((X) >> GOMP_LAUNCH_OP_SHIFT) & 0xffff)
#define GOMP_LAUNCH_OP_MAX 0xffff

/* Bitmask to apply in order to find out the intended device of a target
   argument.  */
#define GOMP_TARGET_ARG_DEVICE_MASK		((1 << 7) - 1)
/* The target argument is significant for all devices.  */
#define GOMP_TARGET_ARG_DEVICE_ALL		0

/* Flag set when the subsequent element in the device-specific argument
   values.  */
#define GOMP_TARGET_ARG_SUBSEQUENT_PARAM	(1 << 7)

/* Bitmask to apply to a target argument to find out the value identifier.  */
#define GOMP_TARGET_ARG_ID_MASK			(((1 << 8) - 1) << 8)
/* Target argument index of NUM_TEAMS.  */
#define GOMP_TARGET_ARG_NUM_TEAMS		(1 << 8)
/* Target argument index of THREAD_LIMIT.  */
#define GOMP_TARGET_ARG_THREAD_LIMIT		(2 << 8)

/* If the value is directly embeded in target argument, it should be a 16-bit
   at most and shifted by this many bits.  */
#define GOMP_TARGET_ARG_VALUE_SHIFT		16

/* Dependence types in omp_depend_t objects.  */
#define GOMP_DEPEND_IN			1
#define GOMP_DEPEND_OUT			2
#define GOMP_DEPEND_INOUT		3
#define GOMP_DEPEND_MUTEXINOUTSET	4

/* HSA specific data structures.  */

/* Identifiers of device-specific target arguments.  */
#define GOMP_TARGET_ARG_HSA_KERNEL_ATTRIBUTES	(1 << 8)

#endif
Commit	Line	Data
41dbbb37 TS	1	/* Communication between GCC and libgomp.
41dbbb37 TS	2
8d9254fc	3	Copyright (C) 2014-2020 Free Software Foundation, Inc.
41dbbb37 TS	4
	5	Contributed by Mentor Embedded.
	6
	7	This file is part of the GNU Offloading and Multi Processing Library
	8	(libgomp).
	9
	10	Libgomp is free software; you can redistribute it and/or modify it
	11	under the terms of the GNU General Public License as published by
	12	the Free Software Foundation; either version 3, or (at your option)
	13	any later version.
	14
	15	Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
	16	WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	17	FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	18	more details.
	19
	20	Under Section 7 of GPL version 3, you are granted additional
	21	permissions described in the GCC Runtime Library Exception, version
	22	3.1, as published by the Free Software Foundation.
	23
	24	You should have received a copy of the GNU General Public License and
	25	a copy of the GCC Runtime Library Exception along with this program;
	26	see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
	27	<http://www.gnu.org/licenses/>. */
	28
	29	#ifndef GOMP_CONSTANTS_H
	30	#define GOMP_CONSTANTS_H 1
	31
	32	/* Memory mapping types. */
	33
	34	/* One byte. */
	35	#define GOMP_MAP_LAST (1 << 8)
	36
	37	#define GOMP_MAP_FLAG_TO (1 << 0)
	38	#define GOMP_MAP_FLAG_FROM (1 << 1)
	39	/* Special map kinds, enumerated starting here. */
	40	#define GOMP_MAP_FLAG_SPECIAL_0 (1 << 2)
	41	#define GOMP_MAP_FLAG_SPECIAL_1 (1 << 3)
e01d41e5	42	#define GOMP_MAP_FLAG_SPECIAL_2 (1 << 4)
8e7e71ff	43	#define GOMP_MAP_FLAG_SPECIAL_4 (1 << 6)
41dbbb37 TS	44	#define GOMP_MAP_FLAG_SPECIAL (GOMP_MAP_FLAG_SPECIAL_1 \
41dbbb37 TS	45	\| GOMP_MAP_FLAG_SPECIAL_0)
8e7e71ff JB	46	#define GOMP_MAP_DEEP_COPY (GOMP_MAP_FLAG_SPECIAL_4 \
8e7e71ff JB	47	\| GOMP_MAP_FLAG_SPECIAL_2)
41dbbb37 TS	48	/* Flag to force a specific behavior (or else, trigger a run-time error). */
	49	#define GOMP_MAP_FLAG_FORCE (1 << 7)
	50
	51	enum gomp_map_kind
	52	{
	53	/* If not already present, allocate. */
	54	GOMP_MAP_ALLOC = 0,
	55	/* ..., and copy to device. */
	56	GOMP_MAP_TO = (GOMP_MAP_ALLOC \| GOMP_MAP_FLAG_TO),
	57	/* ..., and copy from device. */
	58	GOMP_MAP_FROM = (GOMP_MAP_ALLOC \| GOMP_MAP_FLAG_FROM),
	59	/* ..., and copy to and from device. */
	60	GOMP_MAP_TOFROM = (GOMP_MAP_TO \| GOMP_MAP_FROM),
	61	/* The following kind is an internal only map kind, used for pointer based
	62	array sections. OMP_CLAUSE_SIZE for these is not the pointer size,
	63	which is implicitly POINTER_SIZE_UNITS, but the bias. */
	64	GOMP_MAP_POINTER = (GOMP_MAP_FLAG_SPECIAL_0 \| 0),
	65	/* Also internal, behaves like GOMP_MAP_TO, but additionally any
	66	GOMP_MAP_POINTER records consecutive after it which have addresses
	67	falling into that range will not be ignored if GOMP_MAP_TO_PSET wasn't
	68	mapped already. */
	69	GOMP_MAP_TO_PSET = (GOMP_MAP_FLAG_SPECIAL_0 \| 1),
	70	/* Must already be present. */
	71	GOMP_MAP_FORCE_PRESENT = (GOMP_MAP_FLAG_SPECIAL_0 \| 2),
	72	/* Deallocate a mapping, without copying from device. */
91106e84	73	GOMP_MAP_DELETE = (GOMP_MAP_FLAG_SPECIAL_0 \| 3),
41dbbb37 TS	74	/* Is a device pointer. OMP_CLAUSE_SIZE for these is unused; is implicitly
	75	POINTER_SIZE_UNITS. */
	76	GOMP_MAP_FORCE_DEVICEPTR = (GOMP_MAP_FLAG_SPECIAL_1 \| 0),
6e232ba4 JN	77	/* OpenACC device_resident. */
	78	GOMP_MAP_DEVICE_RESIDENT = (GOMP_MAP_FLAG_SPECIAL_1 \| 1),
	79	/* OpenACC link. */
	80	GOMP_MAP_LINK = (GOMP_MAP_FLAG_SPECIAL_1 \| 2),
a6163563	81	/* Use device data if present, fall back to host address otherwise. */
d5c23c6c	82	GOMP_MAP_IF_PRESENT = (GOMP_MAP_FLAG_SPECIAL_1 \| 3),
cbdce905	83	/* Do not map, copy bits for firstprivate instead. */
d9a6bd32 JJ	84	GOMP_MAP_FIRSTPRIVATE = (GOMP_MAP_FLAG_SPECIAL \| 0),
	85	/* Similarly, but store the value in the pointer rather than
	86	pointed by the pointer. */
	87	GOMP_MAP_FIRSTPRIVATE_INT = (GOMP_MAP_FLAG_SPECIAL \| 1),
	88	/* Pointer translate host address into device address and copy that
	89	back to host. */
	90	GOMP_MAP_USE_DEVICE_PTR = (GOMP_MAP_FLAG_SPECIAL \| 2),
	91	/* Allocate a zero length array section. Prefer next non-zero length
	92	mapping over previous non-zero length mapping over zero length mapping
	93	at the address. If not already mapped, do nothing (and pointer translate
	94	to NULL). */
	95	GOMP_MAP_ZERO_LEN_ARRAY_SECTION = (GOMP_MAP_FLAG_SPECIAL \| 3),
41dbbb37 TS	96	/* Allocate. */
	97	GOMP_MAP_FORCE_ALLOC = (GOMP_MAP_FLAG_FORCE \| GOMP_MAP_ALLOC),
	98	/* ..., and copy to device. */
	99	GOMP_MAP_FORCE_TO = (GOMP_MAP_FLAG_FORCE \| GOMP_MAP_TO),
	100	/* ..., and copy from device. */
	101	GOMP_MAP_FORCE_FROM = (GOMP_MAP_FLAG_FORCE \| GOMP_MAP_FROM),
	102	/* ..., and copy to and from device. */
d9a6bd32	103	GOMP_MAP_FORCE_TOFROM = (GOMP_MAP_FLAG_FORCE \| GOMP_MAP_TOFROM),
d5c23c6c TB	104	/* Like GOMP_MAP_USE_DEVICE_PTR above, translate a host to a device
	105	address. If translation fails because the target is not mapped,
	106	continue using the host address. */
	107	GOMP_MAP_USE_DEVICE_PTR_IF_PRESENT = (GOMP_MAP_FLAG_SPECIAL_2 \| 0),
d9a6bd32 JJ	108	/* If not already present, allocate. And unconditionally copy to
d9a6bd32 JJ	109	device. */
e01d41e5	110	GOMP_MAP_ALWAYS_TO = (GOMP_MAP_FLAG_SPECIAL_2 \| GOMP_MAP_TO),
d9a6bd32 JJ	111	/* If not already present, allocate. And unconditionally copy from
d9a6bd32 JJ	112	device. */
e01d41e5 JJ	113	GOMP_MAP_ALWAYS_FROM = (GOMP_MAP_FLAG_SPECIAL_2
e01d41e5 JJ	114	\| GOMP_MAP_FROM),
d9a6bd32 JJ	115	/* If not already present, allocate. And unconditionally copy to and from
d9a6bd32 JJ	116	device. */
e01d41e5 JJ	117	GOMP_MAP_ALWAYS_TOFROM = (GOMP_MAP_FLAG_SPECIAL_2
e01d41e5 JJ	118	\| GOMP_MAP_TOFROM),
d9a6bd32 JJ	119	/* Map a sparse struct; the address is the base of the structure, alignment
	120	it's required alignment, and size is the number of adjacent entries
	121	that belong to the struct. The adjacent entries should be sorted by
	122	increasing address, so it is easy to determine lowest needed address
	123	(address of the first adjacent entry) and highest needed address
	124	(address of the last adjacent entry plus its size). */
e01d41e5	125	GOMP_MAP_STRUCT = (GOMP_MAP_FLAG_SPECIAL_2
d9a6bd32	126	\| GOMP_MAP_FLAG_SPECIAL \| 0),
e01d41e5 JJ	127	/* On a location of a pointer/reference that is assumed to be already mapped
	128	earlier, store the translated address of the preceeding mapping.
	129	No refcount is bumped by this, and the store is done unconditionally. */
	130	GOMP_MAP_ALWAYS_POINTER = (GOMP_MAP_FLAG_SPECIAL_2
	131	\| GOMP_MAP_FLAG_SPECIAL \| 1),
d9a6bd32 JJ	132	/* Forced deallocation of zero length array section. */
d9a6bd32 JJ	133	GOMP_MAP_DELETE_ZERO_LEN_ARRAY_SECTION
e01d41e5	134	= (GOMP_MAP_FLAG_SPECIAL_2
d9a6bd32	135	\| GOMP_MAP_FLAG_SPECIAL \| 3),
d9a6bd32	136	/* Decrement usage count and deallocate if zero. */
e01d41e5	137	GOMP_MAP_RELEASE = (GOMP_MAP_FLAG_SPECIAL_2
91106e84	138	\| GOMP_MAP_DELETE),
8e7e71ff JB	139	/* In OpenACC, attach a pointer to a mapped struct field. */
	140	GOMP_MAP_ATTACH = (GOMP_MAP_DEEP_COPY \| 0),
	141	/* In OpenACC, detach a pointer to a mapped struct field. */
	142	GOMP_MAP_DETACH = (GOMP_MAP_DEEP_COPY \| 1),
	143	/* In OpenACC, detach a pointer to a mapped struct field. */
	144	GOMP_MAP_FORCE_DETACH = (GOMP_MAP_DEEP_COPY
	145	\| GOMP_MAP_FLAG_FORCE \| 1),
d9a6bd32 JJ	146
	147	/* Internal to GCC, not used in libgomp. */
	148	/* Do not map, but pointer assign a pointer instead. */
e01d41e5 JJ	149	GOMP_MAP_FIRSTPRIVATE_POINTER = (GOMP_MAP_LAST \| 1),
e01d41e5 JJ	150	/* Do not map, but pointer assign a reference instead. */
4fd872bc JB	151	GOMP_MAP_FIRSTPRIVATE_REFERENCE = (GOMP_MAP_LAST \| 2),
	152	/* An attach or detach operation. Rewritten to the appropriate type during
	153	gimplification, depending on directive (i.e. "enter data" or
	154	parallel/kernels region vs. "exit data"). */
	155	GOMP_MAP_ATTACH_DETACH = (GOMP_MAP_LAST \| 3)
41dbbb37 TS	156	};
	157
	158	#define GOMP_MAP_COPY_TO_P(X) \
	159	(!((X) & GOMP_MAP_FLAG_SPECIAL) \
	160	&& ((X) & GOMP_MAP_FLAG_TO))
	161
	162	#define GOMP_MAP_COPY_FROM_P(X) \
	163	(!((X) & GOMP_MAP_FLAG_SPECIAL) \
	164	&& ((X) & GOMP_MAP_FLAG_FROM))
	165
	166	#define GOMP_MAP_POINTER_P(X) \
	167	((X) == GOMP_MAP_POINTER)
	168
d9a6bd32 JJ	169	#define GOMP_MAP_ALWAYS_TO_P(X) \
	170	(((X) == GOMP_MAP_ALWAYS_TO) \|\| ((X) == GOMP_MAP_ALWAYS_TOFROM))
	171
	172	#define GOMP_MAP_ALWAYS_FROM_P(X) \
	173	(((X) == GOMP_MAP_ALWAYS_FROM) \|\| ((X) == GOMP_MAP_ALWAYS_TOFROM))
	174
e01d41e5 JJ	175	#define GOMP_MAP_ALWAYS_P(X) \
	176	(GOMP_MAP_ALWAYS_TO_P (X) \|\| ((X) == GOMP_MAP_ALWAYS_FROM))
	177
41dbbb37 TS	178
	179	/* Asynchronous behavior. Keep in sync with
	180	libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_async_t. */
	181
	182	#define GOMP_ASYNC_NOVAL -1
	183	#define GOMP_ASYNC_SYNC -2
	184
	185
	186	/* Device codes. Keep in sync with
	187	libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_device_t as well as
b97e78b7	188	libgomp/libgomp-plugin.h. */
41dbbb37 TS	189	#define GOMP_DEVICE_NONE 0
	190	#define GOMP_DEVICE_DEFAULT 1
	191	#define GOMP_DEVICE_HOST 2
b97e78b7	192	/* #define GOMP_DEVICE_HOST_NONSHM 3 removed. */
41dbbb37 TS	193	#define GOMP_DEVICE_NOT_HOST 4
	194	#define GOMP_DEVICE_NVIDIA_PTX 5
	195	#define GOMP_DEVICE_INTEL_MIC 6
b2b40051	196	#define GOMP_DEVICE_HSA 7
fa499995	197	#define GOMP_DEVICE_GCN 8
41dbbb37 TS	198
	199	#define GOMP_DEVICE_ICV -1
	200	#define GOMP_DEVICE_HOST_FALLBACK -2
	201
d9a6bd32 JJ	202	/* GOMP_task/GOMP_taskloop* flags argument. */
	203	#define GOMP_TASK_FLAG_UNTIED (1 << 0)
	204	#define GOMP_TASK_FLAG_FINAL (1 << 1)
	205	#define GOMP_TASK_FLAG_MERGEABLE (1 << 2)
	206	#define GOMP_TASK_FLAG_DEPEND (1 << 3)
	207	#define GOMP_TASK_FLAG_PRIORITY (1 << 4)
	208	#define GOMP_TASK_FLAG_UP (1 << 8)
	209	#define GOMP_TASK_FLAG_GRAINSIZE (1 << 9)
	210	#define GOMP_TASK_FLAG_IF (1 << 10)
	211	#define GOMP_TASK_FLAG_NOGROUP (1 << 11)
28567c40	212	#define GOMP_TASK_FLAG_REDUCTION (1 << 12)
d9a6bd32	213
e01d41e5	214	/* GOMP_target{_ext,update_ext,enter_exit_data} flags argument. */
d9a6bd32 JJ	215	#define GOMP_TARGET_FLAG_NOWAIT (1 << 0)
	216	#define GOMP_TARGET_FLAG_EXIT_DATA (1 << 1)
	217	/* Internal to libgomp. */
	218	#define GOMP_TARGET_FLAG_UPDATE (1U << 31)
	219
59d5960c TS	220
	221	/* OpenACC construct flags. */
	222
	223	/* Force host fallback execution. */
	224	#define GOACC_FLAG_HOST_FALLBACK (1 << 0)
	225
	226	/* For legacy reasons, in the ABI, the GOACC_FLAGs are encoded as an inverted
	227	bitmask. */
	228	#define GOACC_FLAGS_MARSHAL_OP BIT_NOT_EXPR
	229	#define GOACC_FLAGS_UNMARSHAL(X) (~(X))
	230
	231
06fca33d CLT	232	/* Versions of libgomp and device-specific plugins. GOMP_VERSION
	233	should be incremented whenever an ABI-incompatible change is introduced
	234	to the plugin interface defined in libgomp/libgomp.h. */
	235	#define GOMP_VERSION 1
3e32ee19	236	#define GOMP_VERSION_NVIDIA_PTX 1
2a21ff19	237	#define GOMP_VERSION_INTEL_MIC 0
b2b40051	238	#define GOMP_VERSION_HSA 0
fa499995	239	#define GOMP_VERSION_GCN 1
2a21ff19 NS	240
	241	#define GOMP_VERSION_PACK(LIB, DEV) (((LIB) << 16) \| (DEV))
	242	#define GOMP_VERSION_LIB(PACK) (((PACK) >> 16) & 0xffff)
	243	#define GOMP_VERSION_DEV(PACK) ((PACK) & 0xffff)
	244
3e32ee19 NS	245	#define GOMP_DIM_GANG 0
	246	#define GOMP_DIM_WORKER 1
	247	#define GOMP_DIM_VECTOR 2
	248	#define GOMP_DIM_MAX 3
	249	#define GOMP_DIM_MASK(X) (1u << (X))
	250
	251	/* Varadic launch arguments. End of list is marked by a zero. */
	252	#define GOMP_LAUNCH_DIM 1 /* Launch dimensions, op = mask */
	253	#define GOMP_LAUNCH_ASYNC 2 /* Async, op = cst val if not MAX */
	254	#define GOMP_LAUNCH_WAIT 3 /* Waits, op = num waits. */
	255	#define GOMP_LAUNCH_CODE_SHIFT 28
	256	#define GOMP_LAUNCH_DEVICE_SHIFT 16
	257	#define GOMP_LAUNCH_OP_SHIFT 0
	258	#define GOMP_LAUNCH_PACK(CODE,DEVICE,OP) \
	259	(((CODE) << GOMP_LAUNCH_CODE_SHIFT) \
	260	\| ((DEVICE) << GOMP_LAUNCH_DEVICE_SHIFT) \
	261	\| ((OP) << GOMP_LAUNCH_OP_SHIFT))
	262	#define GOMP_LAUNCH_CODE(X) (((X) >> GOMP_LAUNCH_CODE_SHIFT) & 0xf)
	263	#define GOMP_LAUNCH_DEVICE(X) (((X) >> GOMP_LAUNCH_DEVICE_SHIFT) & 0xfff)
	264	#define GOMP_LAUNCH_OP(X) (((X) >> GOMP_LAUNCH_OP_SHIFT) & 0xffff)
	265	#define GOMP_LAUNCH_OP_MAX 0xffff
	266
b2b40051 MJ	267	/* Bitmask to apply in order to find out the intended device of a target
	268	argument. */
	269	#define GOMP_TARGET_ARG_DEVICE_MASK ((1 << 7) - 1)
	270	/* The target argument is significant for all devices. */
	271	#define GOMP_TARGET_ARG_DEVICE_ALL 0
	272
	273	/* Flag set when the subsequent element in the device-specific argument
	274	values. */
	275	#define GOMP_TARGET_ARG_SUBSEQUENT_PARAM (1 << 7)
	276
	277	/* Bitmask to apply to a target argument to find out the value identifier. */
	278	#define GOMP_TARGET_ARG_ID_MASK (((1 << 8) - 1) << 8)
	279	/* Target argument index of NUM_TEAMS. */
	280	#define GOMP_TARGET_ARG_NUM_TEAMS (1 << 8)
	281	/* Target argument index of THREAD_LIMIT. */
	282	#define GOMP_TARGET_ARG_THREAD_LIMIT (2 << 8)
	283
	284	/* If the value is directly embeded in target argument, it should be a 16-bit
	285	at most and shifted by this many bits. */
	286	#define GOMP_TARGET_ARG_VALUE_SHIFT 16
	287
28567c40 JJ	288	/* Dependence types in omp_depend_t objects. */
	289	#define GOMP_DEPEND_IN 1
	290	#define GOMP_DEPEND_OUT 2
	291	#define GOMP_DEPEND_INOUT 3
	292	#define GOMP_DEPEND_MUTEXINOUTSET 4
	293
b2b40051 MJ	294	/* HSA specific data structures. */
	295
	296	/* Identifiers of device-specific target arguments. */
	297	#define GOMP_TARGET_ARG_HSA_KERNEL_ATTRIBUTES (1 << 8)
	298
41dbbb37	299	#endif