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comparison gcc/fortran/trans-array.h @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 /* Header for array handling functions
2 Copyright (C) 2002-2017 Free Software Foundation, Inc.
3 Contributed by Paul Brook
4
5 This file is part of GCC.
6
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
10 version.
11
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
20
21 /* Generate code to initialize and allocate an array. Statements are added to
22 se, which should contain an expression for the array descriptor. */
23 bool gfc_array_allocate (gfc_se *, gfc_expr *, tree, tree, tree, tree,
24 tree, tree *, gfc_expr *, tree, bool);
25
26 /* Allow the bounds of a loop to be set from a callee's array spec. */
27 void gfc_set_loop_bounds_from_array_spec (gfc_interface_mapping *,
28 gfc_se *, gfc_array_spec *);
29
30 /* Generate code to create a temporary array. */
31 tree gfc_trans_create_temp_array (stmtblock_t *, stmtblock_t *, gfc_ss *,
32 tree, tree, bool, bool, bool, locus *);
33
34 /* Generate function entry code for allocation of compiler allocated array
35 variables. */
36 void gfc_trans_auto_array_allocation (tree, gfc_symbol *, gfc_wrapped_block *);
37 /* Generate entry and exit code for dummy array parameters. */
38 void gfc_trans_dummy_array_bias (gfc_symbol *, tree, gfc_wrapped_block *);
39 /* Generate entry and exit code for g77 calling convention arrays. */
40 void gfc_trans_g77_array (gfc_symbol *, gfc_wrapped_block *);
41
42 tree gfc_full_array_size (stmtblock_t *, tree, int);
43
44 tree gfc_duplicate_allocatable (tree, tree, tree, int, tree);
45
46 tree gfc_copy_allocatable_data (tree dest, tree src, tree type, int rank);
47
48 tree gfc_duplicate_allocatable_nocopy (tree, tree, tree, int);
49
50 bool gfc_caf_is_dealloc_only (int);
51
52 tree gfc_nullify_alloc_comp (gfc_symbol *, tree, int, int cm = 0);
53
54 tree gfc_deallocate_alloc_comp (gfc_symbol *, tree, int, int cm = 0);
55 tree gfc_deallocate_alloc_comp_no_caf (gfc_symbol *, tree, int);
56 tree gfc_reassign_alloc_comp_caf (gfc_symbol *, tree, tree);
57
58 tree gfc_copy_alloc_comp (gfc_symbol *, tree, tree, int, int);
59
60 tree gfc_copy_only_alloc_comp (gfc_symbol *, tree, tree, int);
61
62 tree gfc_allocate_pdt_comp (gfc_symbol *, tree, int, gfc_actual_arglist *);
63 tree gfc_deallocate_pdt_comp (gfc_symbol *, tree, int);
64 tree gfc_check_pdt_dummy (gfc_symbol *, tree, int, gfc_actual_arglist *);
65
66 tree gfc_alloc_allocatable_for_assignment (gfc_loopinfo*, gfc_expr*, gfc_expr*);
67
68 /* Add initialization for deferred arrays. */
69 void gfc_trans_deferred_array (gfc_symbol *, gfc_wrapped_block *);
70 /* Generate an initializer for a static pointer or allocatable array. */
71 void gfc_trans_static_array_pointer (gfc_symbol *);
72
73 /* Get the procedure interface for a function call. */
74 gfc_symbol *gfc_get_proc_ifc_for_expr (gfc_expr *);
75 /* Generate scalarization information for an expression. */
76 gfc_ss *gfc_walk_expr (gfc_expr *);
77 /* Workhorse for gfc_walk_expr. */
78 gfc_ss *gfc_walk_subexpr (gfc_ss *, gfc_expr *);
79 /* Workhorse for gfc_walk_variable_expr. */
80 gfc_ss *gfc_walk_array_ref (gfc_ss *, gfc_expr *, gfc_ref * ref);
81 /* Walk the arguments of an elemental function. */
82 gfc_ss *gfc_walk_elemental_function_args (gfc_ss *, gfc_actual_arglist *,
83 gfc_symbol *, gfc_ss_type);
84 /* Walk an intrinsic function. */
85 gfc_ss *gfc_walk_intrinsic_function (gfc_ss *, gfc_expr *,
86 gfc_intrinsic_sym *);
87 /* Reverse the order of an SS chain. */
88 gfc_ss *gfc_reverse_ss (gfc_ss *);
89
90 /* Free the SS associated with a loop. */
91 void gfc_cleanup_loop (gfc_loopinfo *);
92 /* Associate a SS chain with a loop. */
93 void gfc_add_ss_to_loop (gfc_loopinfo *, gfc_ss *);
94 /* Mark a SS chain as used in this loop. */
95 void gfc_mark_ss_chain_used (gfc_ss *, unsigned);
96 /* Free a gfc_ss chain. */
97 void gfc_free_ss_chain (gfc_ss *);
98 /* Free a single gfc_ss element. */
99 void gfc_free_ss (gfc_ss *);
100 /* Allocate a new array type ss. */
101 gfc_ss *gfc_get_array_ss (gfc_ss *, gfc_expr *, int, gfc_ss_type);
102 /* Allocate a new temporary type ss. */
103 gfc_ss *gfc_get_temp_ss (tree, tree, int);
104 /* Allocate a new scalar type ss. */
105 gfc_ss *gfc_get_scalar_ss (gfc_ss *, gfc_expr *);
106
107 bool gfc_scalar_elemental_arg_saved_as_reference (gfc_ss_info *);
108
109 /* Calculates the lower bound and stride of array sections. */
110 void gfc_conv_ss_startstride (gfc_loopinfo *);
111
112 void gfc_init_loopinfo (gfc_loopinfo *);
113 void gfc_copy_loopinfo_to_se (gfc_se *, gfc_loopinfo *);
114
115 /* Marks the start of a scalarized expression, and declares loop variables. */
116 void gfc_start_scalarized_body (gfc_loopinfo *, stmtblock_t *);
117 /* Generates one actual loop for a scalarized expression. */
118 void gfc_trans_scalarized_loop_end (gfc_loopinfo *, int, stmtblock_t *);
119 /* Generates the actual loops for a scalarized expression. */
120 void gfc_trans_scalarizing_loops (gfc_loopinfo *, stmtblock_t *);
121 /* Mark the end of the main loop body and the start of the copying loop. */
122 void gfc_trans_scalarized_loop_boundary (gfc_loopinfo *, stmtblock_t *);
123 /* Initialize the scalarization loop parameters. */
124 void gfc_conv_loop_setup (gfc_loopinfo *, locus *);
125 /* Set each array's delta. */
126 void gfc_set_delta (gfc_loopinfo *);
127 /* Resolve array assignment dependencies. */
128 void gfc_conv_resolve_dependencies (gfc_loopinfo *, gfc_ss *, gfc_ss *);
129 /* Build a null array descriptor constructor. */
130 tree gfc_build_null_descriptor (tree);
131
132 /* Get a single array element. */
133 void gfc_conv_array_ref (gfc_se *, gfc_array_ref *, gfc_expr *, locus *);
134 /* Translate a reference to a temporary array. */
135 void gfc_conv_tmp_array_ref (gfc_se * se);
136 /* Translate a reference to an array temporary. */
137 void gfc_conv_tmp_ref (gfc_se *);
138
139 /* Evaluate an array expression. */
140 void gfc_conv_expr_descriptor (gfc_se *, gfc_expr *);
141 /* Convert an array for passing as an actual function parameter. */
142 void gfc_conv_array_parameter (gfc_se *, gfc_expr *, bool,
143 const gfc_symbol *, const char *, tree *);
144 /* Evaluate and transpose a matrix expression. */
145 void gfc_conv_array_transpose (gfc_se *, gfc_expr *);
146
147 /* These work with both descriptors and descriptorless arrays. */
148 tree gfc_conv_array_data (tree);
149 tree gfc_conv_array_offset (tree);
150 /* Return either an INT_CST or an expression for that part of the descriptor. */
151 tree gfc_conv_array_stride (tree, int);
152 tree gfc_conv_array_lbound (tree, int);
153 tree gfc_conv_array_ubound (tree, int);
154
155 /* Set cobounds of an array. */
156 void gfc_trans_array_cobounds (tree, stmtblock_t *, const gfc_symbol *);
157
158 /* Build expressions for accessing components of an array descriptor. */
159 void gfc_get_descriptor_offsets_for_info (const_tree, tree *, tree *, tree *, tree *,
160 tree *, tree *, tree *);
161
162 tree gfc_conv_descriptor_data_get (tree);
163 tree gfc_conv_descriptor_data_addr (tree);
164 tree gfc_conv_descriptor_offset_get (tree);
165 tree gfc_conv_descriptor_span_get (tree);
166 tree gfc_conv_descriptor_dtype (tree);
167 tree gfc_conv_descriptor_rank (tree);
168 tree gfc_get_descriptor_dimension (tree);
169 tree gfc_conv_descriptor_stride_get (tree, tree);
170 tree gfc_conv_descriptor_lbound_get (tree, tree);
171 tree gfc_conv_descriptor_ubound_get (tree, tree);
172 tree gfc_conv_descriptor_token (tree);
173
174 void gfc_conv_descriptor_data_set (stmtblock_t *, tree, tree);
175 void gfc_conv_descriptor_offset_set (stmtblock_t *, tree, tree);
176 void gfc_conv_descriptor_span_set (stmtblock_t *, tree, tree);
177 void gfc_conv_descriptor_stride_set (stmtblock_t *, tree, tree, tree);
178 void gfc_conv_descriptor_lbound_set (stmtblock_t *, tree, tree, tree);
179 void gfc_conv_descriptor_ubound_set (stmtblock_t *, tree, tree, tree);
180
181 /* Shift lower bound of descriptor, updating ubound and offset. */
182 void gfc_conv_shift_descriptor_lbound (stmtblock_t*, tree, int, tree);
183
184 /* Add pre-loop scalarization code for intrinsic functions which require
185 special handling. */
186 void gfc_add_intrinsic_ss_code (gfc_loopinfo *, gfc_ss *);
187
188 /* Functions for constant array constructor processing. */
189 unsigned HOST_WIDE_INT gfc_constant_array_constructor_p (gfc_constructor_base);
190 tree gfc_build_constant_array_constructor (gfc_expr *, tree);
191
192 /* Copy a string from src to dest. */
193 void gfc_trans_string_copy (stmtblock_t *, tree, tree, int, tree, tree, int);
194
195 /* Calculate extent / size of an array. */
196 tree gfc_conv_array_extent_dim (tree, tree, tree*);
197 tree gfc_conv_descriptor_size (tree, int);
198 tree gfc_conv_descriptor_cosize (tree, int, int);