/* Header for array handling functions Copyright (C) 2002-2014 Free Software Foundation, Inc. Contributed by Paul Brook This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see . */ /* Generate code to free an array. */ tree gfc_array_deallocate (tree, tree, tree, tree, tree, gfc_expr*); /* Generate code to initialize and allocate an array. Statements are added to se, which should contain an expression for the array descriptor. */ bool gfc_array_allocate (gfc_se *, gfc_expr *, tree, tree, tree, tree, tree, tree *, gfc_expr *, gfc_typespec *); /* Allow the bounds of a loop to be set from a callee's array spec. */ void gfc_set_loop_bounds_from_array_spec (gfc_interface_mapping *, gfc_se *, gfc_array_spec *); /* Generate code to create a temporary array. */ tree gfc_trans_create_temp_array (stmtblock_t *, stmtblock_t *, gfc_ss *, tree, tree, bool, bool, bool, locus *); /* Generate function entry code for allocation of compiler allocated array variables. */ void gfc_trans_auto_array_allocation (tree, gfc_symbol *, gfc_wrapped_block *); /* Generate entry and exit code for dummy array parameters. */ void gfc_trans_dummy_array_bias (gfc_symbol *, tree, gfc_wrapped_block *); /* Generate entry and exit code for g77 calling convention arrays. */ void gfc_trans_g77_array (gfc_symbol *, gfc_wrapped_block *); /* Generate code to deallocate an array, if it is allocated. */ tree gfc_trans_dealloc_allocated (tree, bool, gfc_expr *); tree gfc_full_array_size (stmtblock_t *, tree, int); tree gfc_duplicate_allocatable (tree dest, tree src, tree type, int rank); tree gfc_copy_allocatable_data (tree dest, tree src, tree type, int rank); tree gfc_duplicate_allocatable_nocopy (tree, tree, tree, int); tree gfc_nullify_alloc_comp (gfc_symbol *, tree, int); tree gfc_deallocate_alloc_comp (gfc_symbol *, tree, int); tree gfc_deallocate_alloc_comp_no_caf (gfc_symbol *, tree, int); tree gfc_reassign_alloc_comp_caf (gfc_symbol *, tree, tree); tree gfc_copy_alloc_comp (gfc_symbol *, tree, tree, int); tree gfc_copy_only_alloc_comp (gfc_symbol *, tree, tree, int); tree gfc_alloc_allocatable_for_assignment (gfc_loopinfo*, gfc_expr*, gfc_expr*); bool gfc_is_reallocatable_lhs (gfc_expr *); /* Add initialization for deferred arrays. */ void gfc_trans_deferred_array (gfc_symbol *, gfc_wrapped_block *); /* Generate an initializer for a static pointer or allocatable array. */ void gfc_trans_static_array_pointer (gfc_symbol *); /* Get the procedure interface for a function call. */ gfc_symbol *gfc_get_proc_ifc_for_expr (gfc_expr *); /* Generate scalarization information for an expression. */ gfc_ss *gfc_walk_expr (gfc_expr *); /* Workhorse for gfc_walk_expr. */ gfc_ss *gfc_walk_subexpr (gfc_ss *, gfc_expr *); /* Workhorse for gfc_walk_variable_expr. */ gfc_ss *gfc_walk_array_ref (gfc_ss *, gfc_expr *, gfc_ref * ref); /* Walk the arguments of an elemental function. */ gfc_ss *gfc_walk_elemental_function_args (gfc_ss *, gfc_actual_arglist *, gfc_symbol *, gfc_ss_type); /* Walk an intrinsic function. */ gfc_ss *gfc_walk_intrinsic_function (gfc_ss *, gfc_expr *, gfc_intrinsic_sym *); /* Reverse the order of an SS chain. */ gfc_ss *gfc_reverse_ss (gfc_ss *); /* Free the SS associated with a loop. */ void gfc_cleanup_loop (gfc_loopinfo *); /* Associate a SS chain with a loop. */ void gfc_add_ss_to_loop (gfc_loopinfo *, gfc_ss *); /* Mark a SS chain as used in this loop. */ void gfc_mark_ss_chain_used (gfc_ss *, unsigned); /* Free a gfc_ss chain. */ void gfc_free_ss_chain (gfc_ss *); /* Free a single gfc_ss element. */ void gfc_free_ss (gfc_ss *); /* Allocate a new array type ss. */ gfc_ss *gfc_get_array_ss (gfc_ss *, gfc_expr *, int, gfc_ss_type); /* Allocate a new temporary type ss. */ gfc_ss *gfc_get_temp_ss (tree, tree, int); /* Allocate a new scalar type ss. */ gfc_ss *gfc_get_scalar_ss (gfc_ss *, gfc_expr *); /* Calculates the lower bound and stride of array sections. */ void gfc_conv_ss_startstride (gfc_loopinfo *); void gfc_init_loopinfo (gfc_loopinfo *); void gfc_copy_loopinfo_to_se (gfc_se *, gfc_loopinfo *); /* Marks the start of a scalarized expression, and declares loop variables. */ void gfc_start_scalarized_body (gfc_loopinfo *, stmtblock_t *); /* Generates one actual loop for a scalarized expression. */ void gfc_trans_scalarized_loop_end (gfc_loopinfo *, int, stmtblock_t *); /* Generates the actual loops for a scalarized expression. */ void gfc_trans_scalarizing_loops (gfc_loopinfo *, stmtblock_t *); /* Mark the end of the main loop body and the start of the copying loop. */ void gfc_trans_scalarized_loop_boundary (gfc_loopinfo *, stmtblock_t *); /* Initialize the scalarization loop parameters. */ void gfc_conv_loop_setup (gfc_loopinfo *, locus *); /* Set each array's delta. */ void gfc_set_delta (gfc_loopinfo *); /* Resolve array assignment dependencies. */ void gfc_conv_resolve_dependencies (gfc_loopinfo *, gfc_ss *, gfc_ss *); /* Build a null array descriptor constructor. */ tree gfc_build_null_descriptor (tree); /* Get a single array element. */ void gfc_conv_array_ref (gfc_se *, gfc_array_ref *, gfc_expr *, locus *); /* Translate a reference to a temporary array. */ void gfc_conv_tmp_array_ref (gfc_se * se); /* Translate a reference to an array temporary. */ void gfc_conv_tmp_ref (gfc_se *); /* Evaluate an array expression. */ void gfc_conv_expr_descriptor (gfc_se *, gfc_expr *); /* Convert an array for passing as an actual function parameter. */ void gfc_conv_array_parameter (gfc_se *, gfc_expr *, bool, const gfc_symbol *, const char *, tree *); /* Evaluate and transpose a matrix expression. */ void gfc_conv_array_transpose (gfc_se *, gfc_expr *); /* These work with both descriptors and descriptorless arrays. */ tree gfc_conv_array_data (tree); tree gfc_conv_array_offset (tree); /* Return either an INT_CST or an expression for that part of the descriptor. */ tree gfc_conv_array_stride (tree, int); tree gfc_conv_array_lbound (tree, int); tree gfc_conv_array_ubound (tree, int); /* Set cobounds of an array. */ void gfc_trans_array_cobounds (tree, stmtblock_t *, const gfc_symbol *); /* Build expressions for accessing components of an array descriptor. */ tree gfc_conv_descriptor_data_get (tree); tree gfc_conv_descriptor_data_addr (tree); tree gfc_conv_descriptor_offset_get (tree); tree gfc_conv_descriptor_dtype (tree); tree gfc_conv_descriptor_rank (tree); tree gfc_get_descriptor_dimension (tree); tree gfc_conv_descriptor_stride_get (tree, tree); tree gfc_conv_descriptor_lbound_get (tree, tree); tree gfc_conv_descriptor_ubound_get (tree, tree); tree gfc_conv_descriptor_token (tree); void gfc_conv_descriptor_data_set (stmtblock_t *, tree, tree); void gfc_conv_descriptor_offset_set (stmtblock_t *, tree, tree); void gfc_conv_descriptor_stride_set (stmtblock_t *, tree, tree, tree); void gfc_conv_descriptor_lbound_set (stmtblock_t *, tree, tree, tree); void gfc_conv_descriptor_ubound_set (stmtblock_t *, tree, tree, tree); /* Shift lower bound of descriptor, updating ubound and offset. */ void gfc_conv_shift_descriptor_lbound (stmtblock_t*, tree, int, tree); /* Add pre-loop scalarization code for intrinsic functions which require special handling. */ void gfc_add_intrinsic_ss_code (gfc_loopinfo *, gfc_ss *); /* Functions for constant array constructor processing. */ unsigned HOST_WIDE_INT gfc_constant_array_constructor_p (gfc_constructor_base); tree gfc_build_constant_array_constructor (gfc_expr *, tree); /* Copy a string from src to dest. */ void gfc_trans_string_copy (stmtblock_t *, tree, tree, int, tree, tree, int); /* Calculate extent / size of an array. */ tree gfc_conv_array_extent_dim (tree, tree, tree*); tree gfc_conv_descriptor_size (tree, int); tree gfc_conv_descriptor_cosize (tree, int, int);