1 /* Header for array handling functions
2 Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
3 Free Software Foundation, Inc.
4 Contributed by Paul Brook
6 This file is part of GCC.
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
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
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/>. */
22 /* Generate code to free an array. */
23 tree
gfc_array_deallocate (tree
, tree
, gfc_expr
*);
25 /* Generate code to initialize an allocate an array. Statements are added to
26 se, which should contain an expression for the array descriptor. */
27 bool gfc_array_allocate (gfc_se
*, gfc_expr
*, tree
);
29 /* Allow the bounds of a loop to be set from a callee's array spec. */
30 void gfc_set_loop_bounds_from_array_spec (gfc_interface_mapping
*,
31 gfc_se
*, gfc_array_spec
*);
33 /* Generate code to create a temporary array. */
34 tree
gfc_trans_create_temp_array (stmtblock_t
*, stmtblock_t
*, gfc_loopinfo
*,
35 gfc_ss_info
*, tree
, tree
, bool, bool, bool,
38 /* Generate function entry code for allocation of compiler allocated array
40 tree
gfc_trans_auto_array_allocation (tree
, gfc_symbol
*, tree
);
41 /* Generate entry and exit code for dummy array parameters. */
42 tree
gfc_trans_dummy_array_bias (gfc_symbol
*, tree
, tree
);
43 /* Generate entry and exit code for g77 calling convention arrays. */
44 tree
gfc_trans_g77_array (gfc_symbol
*, tree
);
45 /* Generate code to deallocate an array, if it is allocated. */
46 tree
gfc_trans_dealloc_allocated (tree
);
48 tree
gfc_duplicate_allocatable(tree dest
, tree src
, tree type
, int rank
);
50 tree
gfc_nullify_alloc_comp (gfc_symbol
*, tree
, int);
52 tree
gfc_deallocate_alloc_comp (gfc_symbol
*, tree
, int);
54 tree
gfc_copy_alloc_comp (gfc_symbol
*, tree
, tree
, int);
56 /* Add initialization for deferred arrays. */
57 tree
gfc_trans_deferred_array (gfc_symbol
*, tree
);
58 /* Generate an initializer for a static pointer or allocatable array. */
59 void gfc_trans_static_array_pointer (gfc_symbol
*);
61 /* Generate scalarization information for an expression. */
62 gfc_ss
*gfc_walk_expr (gfc_expr
*);
63 /* Walk the arguments of an elemental function. */
64 gfc_ss
*gfc_walk_elemental_function_args (gfc_ss
*, gfc_actual_arglist
*,
66 /* Walk an intrinsic function. */
67 gfc_ss
*gfc_walk_intrinsic_function (gfc_ss
*, gfc_expr
*,
69 /* Reverse the order of an SS chain. */
70 gfc_ss
*gfc_reverse_ss (gfc_ss
*);
72 /* Free the SS associated with a loop. */
73 void gfc_cleanup_loop (gfc_loopinfo
*);
74 /* Associate a SS chain with a loop. */
75 void gfc_add_ss_to_loop (gfc_loopinfo
*, gfc_ss
*);
76 /* Mark a SS chain as used in this loop. */
77 void gfc_mark_ss_chain_used (gfc_ss
*, unsigned);
79 /* Calculates the lower bound and stride of array sections. */
80 void gfc_conv_ss_startstride (gfc_loopinfo
*);
82 void gfc_init_loopinfo (gfc_loopinfo
*);
83 void gfc_copy_loopinfo_to_se (gfc_se
*, gfc_loopinfo
*);
85 /* Marks the start of a scalarized expression, and declares loop variables. */
86 void gfc_start_scalarized_body (gfc_loopinfo
*, stmtblock_t
*);
87 /* Generates the actual loops for a scalarized expression. */
88 void gfc_trans_scalarizing_loops (gfc_loopinfo
*, stmtblock_t
*);
89 /* Mark the end of the main loop body and the start of the copying loop. */
90 void gfc_trans_scalarized_loop_boundary (gfc_loopinfo
*, stmtblock_t
*);
91 /* Initialize the scalarization loop parameters. */
92 void gfc_conv_loop_setup (gfc_loopinfo
*, locus
*);
93 /* Resolve array assignment dependencies. */
94 void gfc_conv_resolve_dependencies (gfc_loopinfo
*, gfc_ss
*, gfc_ss
*);
95 /* Build a null array descriptor constructor. */
96 tree
gfc_build_null_descriptor (tree
);
98 /* Get a single array element. */
99 void gfc_conv_array_ref (gfc_se
*, gfc_array_ref
*, gfc_symbol
*, locus
*);
100 /* Translate a reference to a temporary array. */
101 void gfc_conv_tmp_array_ref (gfc_se
* se
);
102 /* Translate a reference to an array temporary. */
103 void gfc_conv_tmp_ref (gfc_se
*);
105 /* Evaluate an array expression. */
106 void gfc_conv_expr_descriptor (gfc_se
*, gfc_expr
*, gfc_ss
*);
107 /* Convert an array for passing as an actual function parameter. */
108 void gfc_conv_array_parameter (gfc_se
*, gfc_expr
*, gfc_ss
*, int,
109 const gfc_symbol
*, const char *, tree
*);
110 /* Evaluate and transpose a matrix expression. */
111 void gfc_conv_array_transpose (gfc_se
*, gfc_expr
*);
113 /* These work with both descriptors and descriptorless arrays. */
114 tree
gfc_conv_array_data (tree
);
115 tree
gfc_conv_array_offset (tree
);
116 /* Return either an INT_CST or an expression for that part of the descriptor. */
117 tree
gfc_conv_array_stride (tree
, int);
118 tree
gfc_conv_array_lbound (tree
, int);
119 tree
gfc_conv_array_ubound (tree
, int);
121 /* Build expressions for accessing components of an array descriptor. */
122 tree
gfc_conv_descriptor_data_get (tree
);
123 tree
gfc_conv_descriptor_data_addr (tree
);
124 tree
gfc_conv_descriptor_offset_get (tree
);
125 tree
gfc_conv_descriptor_dtype (tree
);
126 tree
gfc_conv_descriptor_stride_get (tree
, tree
);
127 tree
gfc_conv_descriptor_lbound_get (tree
, tree
);
128 tree
gfc_conv_descriptor_ubound_get (tree
, tree
);
130 void gfc_conv_descriptor_data_set (stmtblock_t
*, tree
, tree
);
131 void gfc_conv_descriptor_offset_set (stmtblock_t
*, tree
, tree
);
132 void gfc_conv_descriptor_stride_set (stmtblock_t
*, tree
, tree
, tree
);
133 void gfc_conv_descriptor_lbound_set (stmtblock_t
*, tree
, tree
, tree
);
134 void gfc_conv_descriptor_ubound_set (stmtblock_t
*, tree
, tree
, tree
);
136 /* Add pre-loop scalarization code for intrinsic functions which require
138 void gfc_add_intrinsic_ss_code (gfc_loopinfo
*, gfc_ss
*);
140 /* Functions for constant array constructor processing. */
141 unsigned HOST_WIDE_INT
gfc_constant_array_constructor_p (gfc_constructor
*);
142 tree
gfc_build_constant_array_constructor (gfc_expr
*, tree
);
144 /* Copy a string from src to dest. */
145 void gfc_trans_string_copy (stmtblock_t
*, tree
, tree
, int, tree
, tree
, int);