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629b3d75 MJ |
1 | /* General types and functions that are uselful for processing of OpenMP, |
2 | OpenACC and similar directivers at various stages of compilation. | |
3 | ||
85ec4feb | 4 | Copyright (C) 2005-2018 Free Software Foundation, Inc. |
629b3d75 MJ |
5 | |
6 | This file is part of GCC. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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/>. */ | |
21 | ||
22 | #ifndef GCC_OMP_GENERAL_H | |
23 | #define GCC_OMP_GENERAL_H | |
24 | ||
25 | #include "gomp-constants.h" | |
26 | ||
27 | /* Flags for an OpenACC loop. */ | |
28 | ||
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). */ | |
02889d23 CLT |
34 | OLF_TILE = 1u << 4, /* Tiled loop. */ |
35 | ||
629b3d75 | 36 | /* Explicitly specified loop axes. */ |
02889d23 | 37 | OLF_DIM_BASE = 5, |
629b3d75 MJ |
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), | |
41 | ||
42 | OLF_MAX = OLF_DIM_BASE + GOMP_DIM_MAX | |
43 | }; | |
44 | ||
45 | /* A structure holding the elements of: | |
46 | for (V = N1; V cond N2; V += STEP) [...] */ | |
47 | ||
48 | struct omp_for_data_loop | |
49 | { | |
50 | tree v, n1, n2, step; | |
51 | enum tree_code cond_code; | |
52 | }; | |
53 | ||
54 | /* A structure describing the main elements of a parallel loop. */ | |
55 | ||
56 | struct omp_for_data | |
57 | { | |
58 | struct omp_for_data_loop loop; | |
59 | tree chunk_size; | |
60 | gomp_for *for_stmt; | |
61 | tree pre, iter_type; | |
02889d23 CLT |
62 | tree tiling; /* Tiling values (if non null). */ |
63 | int collapse; /* Collapsed loops, 1 for a non-collapsed loop. */ | |
629b3d75 MJ |
64 | int ordered; |
65 | bool have_nowait, have_ordered, simd_schedule; | |
66 | unsigned char sched_modifiers; | |
67 | enum omp_clause_schedule_kind sched_kind; | |
68 | struct omp_for_data_loop *loops; | |
69 | }; | |
70 | ||
71 | #define OACC_FN_ATTRIB "oacc function" | |
72 | ||
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); | |
9d2f08ab | 81 | extern poly_uint64 omp_max_vf (void); |
629b3d75 MJ |
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); | |
25651634 | 85 | extern void oacc_set_fn_attrib (tree fn, tree clauses, vec<tree> *args); |
629b3d75 MJ |
86 | extern tree oacc_build_routine_dims (tree clauses); |
87 | extern tree oacc_get_fn_attrib (tree fn); | |
46dbeb40 | 88 | extern bool offloading_function_p (tree fn); |
629b3d75 MJ |
89 | extern int oacc_get_fn_dim_size (tree fn, int axis); |
90 | extern int oacc_get_ifn_dim_arg (const gimple *stmt); | |
91 | ||
92 | #endif /* GCC_OMP_GENERAL_H */ |