46dbeb4085
2018-03-26 Tom de Vries <tom@codesourcery.com> PR tree-optimization/85063 * omp-general.c (offloading_function_p): New function. Factor out of ... * omp-offload.c (pass_omp_target_link::gate): ... here. * omp-general.h (offloading_function_p): Declare. * tree-switch-conversion.c (build_one_array): Mark CSWTCH.x variable with attribute omp declare target for offloading functions. * testsuite/libgomp.c/switch-conversion-2.c: New test. * testsuite/libgomp.c/switch-conversion.c: New test. * testsuite/libgomp.oacc-c-c++-common/switch-conversion-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/switch-conversion.c: New test. From-SVN: r258852
93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/* 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) 2005-2018 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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/* Explicitly specified loop axes. */
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OLF_DIM_BASE = 5,
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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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struct omp_for_data_loop
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{
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tree v, n1, n2, step;
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enum tree_code cond_code;
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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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bool have_nowait, have_ordered, simd_schedule;
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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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};
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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_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);
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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 poly_uint64 omp_max_vf (void);
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extern int omp_max_simt_vf (void);
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extern tree oacc_launch_pack (unsigned code, tree device, unsigned op);
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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 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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#endif /* GCC_OMP_GENERAL_H */
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