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gcc.gnu.org Git - gcc.git/blob - gcc/fortran/trans-array.h
9296fa6325096a2171483cf7a7db976b023f6105
1 /* Header for array handling functions
2 Copyright (C) 2002-2023 Free Software Foundation, Inc.
3 Contributed by Paul Brook
5 This file is part of GCC.
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
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
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/>. */
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);
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
*);
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
*);
34 /* Generate function entry code for allocation of compiler allocated array
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
*);
42 tree
gfc_tree_array_size (stmtblock_t
*, tree
, gfc_expr
*, tree
);
44 tree
gfc_full_array_size (stmtblock_t
*, tree
, int);
46 tree
gfc_duplicate_allocatable (tree
, tree
, tree
, int, tree
);
48 tree
gfc_copy_allocatable_data (tree dest
, tree src
, tree type
, int rank
);
50 tree
gfc_duplicate_allocatable_nocopy (tree
, tree
, tree
, int);
52 bool gfc_caf_is_dealloc_only (int);
54 tree
gfc_nullify_alloc_comp (gfc_symbol
*, tree
, int, int cm
= 0);
56 tree
gfc_deallocate_alloc_comp (gfc_symbol
*, tree
, int, int cm
= 0);
57 tree
gfc_bcast_alloc_comp (gfc_symbol
*, gfc_expr
*, int, tree
,
59 tree
gfc_deallocate_alloc_comp_no_caf (gfc_symbol
*, tree
, int);
60 tree
gfc_reassign_alloc_comp_caf (gfc_symbol
*, tree
, tree
);
62 tree
gfc_copy_alloc_comp (gfc_symbol
*, tree
, tree
, int, int);
64 tree
gfc_copy_only_alloc_comp (gfc_symbol
*, tree
, tree
, int);
66 tree
gfc_allocate_pdt_comp (gfc_symbol
*, tree
, int, gfc_actual_arglist
*);
67 tree
gfc_deallocate_pdt_comp (gfc_symbol
*, tree
, int);
68 tree
gfc_check_pdt_dummy (gfc_symbol
*, tree
, int, gfc_actual_arglist
*);
70 tree
gfc_alloc_allocatable_for_assignment (gfc_loopinfo
*, gfc_expr
*, gfc_expr
*);
72 /* Add initialization for class descriptors */
73 void gfc_trans_class_array (gfc_symbol
*, gfc_wrapped_block
*);
74 /* Add initialization for deferred arrays. */
75 void gfc_trans_deferred_array (gfc_symbol
*, gfc_wrapped_block
*);
76 /* Generate an initializer for a static pointer or allocatable array. */
77 void gfc_trans_static_array_pointer (gfc_symbol
*);
79 /* Get the procedure interface for a function call. */
80 gfc_symbol
*gfc_get_proc_ifc_for_expr (gfc_expr
*);
81 /* Get the intrinsic symbol for an intrinsic function call. */
82 gfc_intrinsic_sym
*gfc_get_intrinsic_for_expr (gfc_expr
*);
83 /* Generate scalarization information for an expression. */
84 gfc_ss
*gfc_walk_expr (gfc_expr
*);
85 /* Workhorse for gfc_walk_expr. */
86 gfc_ss
*gfc_walk_subexpr (gfc_ss
*, gfc_expr
*);
87 /* Workhorse for gfc_walk_variable_expr. */
88 gfc_ss
*gfc_walk_array_ref (gfc_ss
*, gfc_expr
*, gfc_ref
* ref
);
89 /* Walk the arguments of an elemental function. */
90 gfc_ss
*gfc_walk_elemental_function_args (gfc_ss
*, gfc_actual_arglist
*,
93 /* Walk an intrinsic function. */
94 gfc_ss
*gfc_walk_intrinsic_function (gfc_ss
*, gfc_expr
*,
96 /* Reverse the order of an SS chain. */
97 gfc_ss
*gfc_reverse_ss (gfc_ss
*);
99 /* Free the SS associated with a loop. */
100 void gfc_cleanup_loop (gfc_loopinfo
*);
101 /* Associate a SS chain with a loop. */
102 void gfc_add_ss_to_loop (gfc_loopinfo
*, gfc_ss
*);
103 /* Mark a SS chain as used in this loop. */
104 void gfc_mark_ss_chain_used (gfc_ss
*, unsigned);
105 /* Free a gfc_ss chain. */
106 void gfc_free_ss_chain (gfc_ss
*);
107 /* Free a single gfc_ss element. */
108 void gfc_free_ss (gfc_ss
*);
109 /* Allocate a new array type ss. */
110 gfc_ss
*gfc_get_array_ss (gfc_ss
*, gfc_expr
*, int, gfc_ss_type
);
111 /* Allocate a new temporary type ss. */
112 gfc_ss
*gfc_get_temp_ss (tree
, tree
, int);
113 /* Allocate a new scalar type ss. */
114 gfc_ss
*gfc_get_scalar_ss (gfc_ss
*, gfc_expr
*);
116 bool gfc_scalar_elemental_arg_saved_as_reference (gfc_ss_info
*);
118 /* Calculates the lower bound and stride of array sections. */
119 void gfc_conv_ss_startstride (gfc_loopinfo
*);
121 void gfc_init_loopinfo (gfc_loopinfo
*);
122 void gfc_copy_loopinfo_to_se (gfc_se
*, gfc_loopinfo
*);
124 /* Marks the start of a scalarized expression, and declares loop variables. */
125 void gfc_start_scalarized_body (gfc_loopinfo
*, stmtblock_t
*);
126 /* Generates the actual loops for a scalarized expression. */
127 void gfc_trans_scalarizing_loops (gfc_loopinfo
*, stmtblock_t
*);
128 /* Mark the end of the main loop body and the start of the copying loop. */
129 void gfc_trans_scalarized_loop_boundary (gfc_loopinfo
*, stmtblock_t
*);
130 /* Initialize the scalarization loop parameters. */
131 void gfc_conv_loop_setup (gfc_loopinfo
*, locus
*);
132 /* Set each array's delta. */
133 void gfc_set_delta (gfc_loopinfo
*);
134 /* Resolve array assignment dependencies. */
135 void gfc_conv_resolve_dependencies (gfc_loopinfo
*, gfc_ss
*, gfc_ss
*);
136 /* Build a null array descriptor constructor. */
137 tree
gfc_build_null_descriptor (tree
);
139 /* Get a single array element. */
140 void gfc_conv_array_ref (gfc_se
*, gfc_array_ref
*, gfc_expr
*, locus
*);
141 /* Translate a reference to a temporary array. */
142 void gfc_conv_tmp_array_ref (gfc_se
* se
);
144 /* Calculate the overall offset, including subreferences. */
145 void gfc_get_dataptr_offset (stmtblock_t
*, tree
, tree
, tree
, bool, gfc_expr
*);
146 /* Obtain the span of an array. */
147 tree
gfc_get_array_span (tree
, gfc_expr
*);
148 /* Evaluate an array expression. */
149 void gfc_conv_expr_descriptor (gfc_se
*, gfc_expr
*);
150 /* Convert an array for passing as an actual function parameter. */
151 void gfc_conv_array_parameter (gfc_se
*, gfc_expr
*, bool,
152 const gfc_symbol
*, const char *, tree
*);
154 /* These work with both descriptors and descriptorless arrays. */
155 tree
gfc_conv_array_data (tree
);
156 tree
gfc_conv_array_offset (tree
);
157 /* Return either an INT_CST or an expression for that part of the descriptor. */
158 tree
gfc_conv_array_stride (tree
, int);
159 tree
gfc_conv_array_lbound (tree
, int);
160 tree
gfc_conv_array_ubound (tree
, int);
162 /* Set (co)bounds of an array. */
163 tree
gfc_trans_array_bounds (tree
, gfc_symbol
*, tree
*, stmtblock_t
*);
164 void gfc_trans_array_cobounds (tree
, stmtblock_t
*, const gfc_symbol
*);
166 /* Build expressions for accessing components of an array descriptor. */
167 void gfc_get_descriptor_offsets_for_info (const_tree
, tree
*, tree
*, tree
*, tree
*,
168 tree
*, tree
*, tree
*, tree
*);
170 tree
gfc_conv_descriptor_data_get (tree
);
171 tree
gfc_conv_descriptor_data_addr (tree
);
172 tree
gfc_conv_descriptor_offset_get (tree
);
173 tree
gfc_conv_descriptor_span_get (tree
);
174 tree
gfc_conv_descriptor_dtype (tree
);
175 tree
gfc_conv_descriptor_rank (tree
);
176 tree
gfc_conv_descriptor_elem_len (tree
);
177 tree
gfc_conv_descriptor_attribute (tree
);
178 tree
gfc_conv_descriptor_type (tree
);
179 tree
gfc_get_descriptor_dimension (tree
);
180 tree
gfc_conv_descriptor_stride_get (tree
, tree
);
181 tree
gfc_conv_descriptor_lbound_get (tree
, tree
);
182 tree
gfc_conv_descriptor_ubound_get (tree
, tree
);
183 tree
gfc_conv_descriptor_token (tree
);
185 void gfc_conv_descriptor_data_set (stmtblock_t
*, tree
, tree
);
186 void gfc_conv_descriptor_offset_set (stmtblock_t
*, tree
, tree
);
187 void gfc_conv_descriptor_span_set (stmtblock_t
*, tree
, tree
);
188 void gfc_conv_descriptor_stride_set (stmtblock_t
*, tree
, tree
, tree
);
189 void gfc_conv_descriptor_lbound_set (stmtblock_t
*, tree
, tree
, tree
);
190 void gfc_conv_descriptor_ubound_set (stmtblock_t
*, tree
, tree
, tree
);
192 /* CFI descriptor. */
193 tree
gfc_get_cfi_desc_base_addr (tree
);
194 tree
gfc_get_cfi_desc_elem_len (tree
);
195 tree
gfc_get_cfi_desc_version (tree
);
196 tree
gfc_get_cfi_desc_rank (tree
);
197 tree
gfc_get_cfi_desc_type (tree
);
198 tree
gfc_get_cfi_desc_attribute (tree
);
199 tree
gfc_get_cfi_dim_lbound (tree
, tree
);
200 tree
gfc_get_cfi_dim_extent (tree
, tree
);
201 tree
gfc_get_cfi_dim_sm (tree
, tree
);
204 /* Shift lower bound of descriptor, updating ubound and offset. */
205 void gfc_conv_shift_descriptor_lbound (stmtblock_t
*, tree
, int, tree
);
207 /* Add pre-loop scalarization code for intrinsic functions which require
209 void gfc_add_intrinsic_ss_code (gfc_loopinfo
*, gfc_ss
*);
211 /* Functions for constant array constructor processing. */
212 unsigned HOST_WIDE_INT
gfc_constant_array_constructor_p (gfc_constructor_base
);
213 tree
gfc_build_constant_array_constructor (gfc_expr
*, tree
);
215 /* Copy a string from src to dest. */
216 void gfc_trans_string_copy (stmtblock_t
*, tree
, tree
, int, tree
, tree
, int);
218 /* Calculate extent / size of an array. */
219 tree
gfc_conv_array_extent_dim (tree
, tree
, tree
*);
220 tree
gfc_conv_descriptor_size (tree
, int);
221 tree
gfc_conv_descriptor_cosize (tree
, int, int);
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