156 lines
5.8 KiB
C
156 lines
5.8 KiB
C
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/* General types and functions that are uselful for processing of OpenMP,
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OpenACC and similar directivers at various stages of compilation.
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Copyright (C) 2005-2023 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_OMP_GENERAL_H
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#define GCC_OMP_GENERAL_H
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#include "gomp-constants.h"
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/* Flags for an OpenACC loop. */
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enum oacc_loop_flags {
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OLF_SEQ = 1u << 0, /* Explicitly sequential */
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OLF_AUTO = 1u << 1, /* Compiler chooses axes. */
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OLF_INDEPENDENT = 1u << 2, /* Iterations are known independent. */
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OLF_GANG_STATIC = 1u << 3, /* Gang partitioning is static (has op). */
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OLF_TILE = 1u << 4, /* Tiled loop. */
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OLF_REDUCTION = 1u << 5, /* Reduction loop. */
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/* Explicitly specified loop axes. */
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OLF_DIM_BASE = 6,
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OLF_DIM_GANG = 1u << (OLF_DIM_BASE + GOMP_DIM_GANG),
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OLF_DIM_WORKER = 1u << (OLF_DIM_BASE + GOMP_DIM_WORKER),
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OLF_DIM_VECTOR = 1u << (OLF_DIM_BASE + GOMP_DIM_VECTOR),
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OLF_MAX = OLF_DIM_BASE + GOMP_DIM_MAX
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};
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/* A structure holding the elements of:
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for (V = N1; V cond N2; V += STEP) [...]
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or for non-rectangular loops:
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for (V = M1 * W + N1; V cond M2 * W + N2; V += STEP;
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where W is V of the OUTER-th loop (e.g. for OUTER 1 it is the
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the index of the immediately surrounding loop).
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NON_RECT_REFERENCED is true for loops referenced by loops
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with non-NULL M1 or M2. */
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struct omp_for_data_loop
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{
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tree v, n1, n2, step, m1, m2;
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enum tree_code cond_code;
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int outer;
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bool non_rect_referenced;
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};
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/* A structure describing the main elements of a parallel loop. */
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struct omp_for_data
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{
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struct omp_for_data_loop loop;
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tree chunk_size;
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gomp_for *for_stmt;
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tree pre, iter_type;
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tree tiling; /* Tiling values (if non null). */
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int collapse; /* Collapsed loops, 1 for a non-collapsed loop. */
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int ordered;
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int first_nonrect, last_nonrect;
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bool have_nowait, have_ordered, simd_schedule, have_reductemp;
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bool have_pointer_condtemp, have_scantemp, have_nonctrl_scantemp;
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bool non_rect;
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int lastprivate_conditional;
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unsigned char sched_modifiers;
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enum omp_clause_schedule_kind sched_kind;
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struct omp_for_data_loop *loops;
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/* The following are relevant only for non-rectangular loops
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where only a single loop depends on an outer loop iterator. */
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tree first_inner_iterations; /* Number of iterations of the inner
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loop with the first outer iterator
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(or adjn1, if that is non-NULL). */
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tree factor; /* (m2 - m1) * outer_step / inner_step. */
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/* Adjusted n1 of the outer loop in such loop nests (if needed). */
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tree adjn1;
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};
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#define OACC_FN_ATTRIB "oacc function"
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extern tree omp_find_clause (tree clauses, enum omp_clause_code kind);
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extern bool omp_is_allocatable_or_ptr (tree decl);
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extern tree omp_check_optional_argument (tree decl, bool for_present_check);
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extern bool omp_mappable_type (tree type);
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extern bool omp_privatize_by_reference (tree decl);
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extern void omp_adjust_for_condition (location_t loc, enum tree_code *cond_code,
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tree *n2, tree v, tree step);
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extern tree omp_get_for_step_from_incr (location_t loc, tree incr);
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extern void omp_extract_for_data (gomp_for *for_stmt, struct omp_for_data *fd,
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struct omp_for_data_loop *loops);
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extern gimple *omp_build_barrier (tree lhs);
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extern tree find_combined_omp_for (tree *, int *, void *);
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extern poly_uint64 omp_max_vf (void);
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extern int omp_max_simt_vf (void);
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extern int omp_constructor_traits_to_codes (tree, enum tree_code *);
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extern tree omp_check_context_selector (location_t loc, tree ctx);
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extern void omp_mark_declare_variant (location_t loc, tree variant,
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tree construct);
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extern int omp_context_selector_matches (tree);
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extern int omp_context_selector_set_compare (const char *, tree, tree);
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extern tree omp_get_context_selector (tree, const char *, const char *);
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extern tree omp_resolve_declare_variant (tree);
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extern tree oacc_launch_pack (unsigned code, tree device, unsigned op);
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extern tree oacc_replace_fn_attrib_attr (tree attribs, tree dims);
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extern void oacc_replace_fn_attrib (tree fn, tree dims);
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extern void oacc_set_fn_attrib (tree fn, tree clauses, vec<tree> *args);
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extern int oacc_verify_routine_clauses (tree, tree *, location_t,
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const char *);
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extern tree oacc_build_routine_dims (tree clauses);
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extern tree oacc_get_fn_attrib (tree fn);
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extern bool offloading_function_p (tree fn);
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extern int oacc_get_fn_dim_size (tree fn, int axis);
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extern int oacc_get_ifn_dim_arg (const gimple *stmt);
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enum omp_requires {
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OMP_REQUIRES_ATOMIC_DEFAULT_MEM_ORDER = 0xf,
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OMP_REQUIRES_UNIFIED_ADDRESS = GOMP_REQUIRES_UNIFIED_ADDRESS,
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OMP_REQUIRES_UNIFIED_SHARED_MEMORY = GOMP_REQUIRES_UNIFIED_SHARED_MEMORY,
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OMP_REQUIRES_DYNAMIC_ALLOCATORS = 0x40,
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OMP_REQUIRES_REVERSE_OFFLOAD = GOMP_REQUIRES_REVERSE_OFFLOAD,
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OMP_REQUIRES_ATOMIC_DEFAULT_MEM_ORDER_USED = 0x100,
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OMP_REQUIRES_TARGET_USED = GOMP_REQUIRES_TARGET_USED,
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};
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extern GTY(()) enum omp_requires omp_requires_mask;
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inline dump_flags_t
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get_openacc_privatization_dump_flags ()
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{
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dump_flags_t l_dump_flags = MSG_NOTE;
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/* For '--param=openacc-privatization=quiet', diagnostics only go to dump
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files. */
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if (param_openacc_privatization == OPENACC_PRIVATIZATION_QUIET)
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l_dump_flags |= MSG_PRIORITY_INTERNALS;
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return l_dump_flags;
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}
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extern tree omp_build_component_ref (tree obj, tree field);
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#endif /* GCC_OMP_GENERAL_H */
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