diff options
Diffstat (limited to 'gcc/fortran/trans-array.h')
| -rw-r--r-- | gcc/fortran/trans-array.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/gcc/fortran/trans-array.h b/gcc/fortran/trans-array.h new file mode 100644 index 000000000..1b3575969 --- /dev/null +++ b/gcc/fortran/trans-array.h @@ -0,0 +1,166 @@ +/* Header for array handling functions + Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 + 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 +<http://www.gnu.org/licenses/>. */ + +/* Generate code to free an array. */ +tree gfc_array_deallocate (tree, tree, gfc_expr*); + +/* Generate code to initialize an 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); + +/* 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_loopinfo *, + gfc_ss_info *, 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); + +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_nullify_alloc_comp (gfc_symbol *, tree, int); + +tree gfc_deallocate_alloc_comp (gfc_symbol *, tree, int); + +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 *); + +/* 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 *); +/* Walk the arguments of an elemental function. */ +gfc_ss *gfc_walk_elemental_function_args (gfc_ss *, gfc_actual_arglist *, + 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 *); + +/* 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 *); +/* 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_symbol *, 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 *, gfc_ss *); +/* Convert an array for passing as an actual function parameter. */ +void gfc_conv_array_parameter (gfc_se *, gfc_expr *, gfc_ss *, 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); + +/* 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_stride_get (tree, tree); +tree gfc_conv_descriptor_lbound_get (tree, tree); +tree gfc_conv_descriptor_ubound_get (tree, 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); |