Fix ICE in lto_symtab_merge_symbols_1 (PR lto/88004).
[official-gcc.git] / gcc / omp-general.h
blobb847506d45282092e64e55eca4709c61f52c42d7
1 /* General types and functions that are uselful for processing of OpenMP,
2 OpenACC and similar directivers at various stages of compilation.
4 Copyright (C) 2005-2018 Free Software Foundation, Inc.
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
11 version.
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
22 #ifndef GCC_OMP_GENERAL_H
23 #define GCC_OMP_GENERAL_H
25 #include "gomp-constants.h"
27 /* Flags for an OpenACC loop. */
29 enum oacc_loop_flags {
30 OLF_SEQ = 1u << 0, /* Explicitly sequential */
31 OLF_AUTO = 1u << 1, /* Compiler chooses axes. */
32 OLF_INDEPENDENT = 1u << 2, /* Iterations are known independent. */
33 OLF_GANG_STATIC = 1u << 3, /* Gang partitioning is static (has op). */
34 OLF_TILE = 1u << 4, /* Tiled loop. */
36 /* Explicitly specified loop axes. */
37 OLF_DIM_BASE = 5,
38 OLF_DIM_GANG = 1u << (OLF_DIM_BASE + GOMP_DIM_GANG),
39 OLF_DIM_WORKER = 1u << (OLF_DIM_BASE + GOMP_DIM_WORKER),
40 OLF_DIM_VECTOR = 1u << (OLF_DIM_BASE + GOMP_DIM_VECTOR),
42 OLF_MAX = OLF_DIM_BASE + GOMP_DIM_MAX
45 /* A structure holding the elements of:
46 for (V = N1; V cond N2; V += STEP) [...] */
48 struct omp_for_data_loop
50 tree v, n1, n2, step;
51 enum tree_code cond_code;
54 /* A structure describing the main elements of a parallel loop. */
56 struct omp_for_data
58 struct omp_for_data_loop loop;
59 tree chunk_size;
60 gomp_for *for_stmt;
61 tree pre, iter_type;
62 tree tiling; /* Tiling values (if non null). */
63 int collapse; /* Collapsed loops, 1 for a non-collapsed loop. */
64 int ordered;
65 bool have_nowait, have_ordered, simd_schedule, have_reductemp;
66 unsigned char sched_modifiers;
67 enum omp_clause_schedule_kind sched_kind;
68 struct omp_for_data_loop *loops;
71 #define OACC_FN_ATTRIB "oacc function"
73 extern tree omp_find_clause (tree clauses, enum omp_clause_code kind);
74 extern bool omp_is_reference (tree decl);
75 extern void omp_adjust_for_condition (location_t loc, enum tree_code *cond_code,
76 tree *n2);
77 extern tree omp_get_for_step_from_incr (location_t loc, tree incr);
78 extern void omp_extract_for_data (gomp_for *for_stmt, struct omp_for_data *fd,
79 struct omp_for_data_loop *loops);
80 extern gimple *omp_build_barrier (tree lhs);
81 extern poly_uint64 omp_max_vf (void);
82 extern int omp_max_simt_vf (void);
83 extern tree oacc_launch_pack (unsigned code, tree device, unsigned op);
84 extern void oacc_replace_fn_attrib (tree fn, tree dims);
85 extern void oacc_set_fn_attrib (tree fn, tree clauses, vec<tree> *args);
86 extern tree oacc_build_routine_dims (tree clauses);
87 extern tree oacc_get_fn_attrib (tree fn);
88 extern bool offloading_function_p (tree fn);
89 extern int oacc_get_fn_dim_size (tree fn, int axis);
90 extern int oacc_get_ifn_dim_arg (const gimple *stmt);
92 enum omp_requires {
93 OMP_REQUIRES_ATOMIC_DEFAULT_MEM_ORDER = 0xf,
94 OMP_REQUIRES_UNIFIED_ADDRESS = 0x10,
95 OMP_REQUIRES_UNIFIED_SHARED_MEMORY = 0x20,
96 OMP_REQUIRES_DYNAMIC_ALLOCATORS = 0x40,
97 OMP_REQUIRES_REVERSE_OFFLOAD = 0x80,
98 OMP_REQUIRES_ATOMIC_DEFAULT_MEM_ORDER_USED = 0x100,
99 OMP_REQUIRES_TARGET_USED = 0x200
102 extern GTY(()) enum omp_requires omp_requires_mask;
104 #endif /* GCC_OMP_GENERAL_H */