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/* Header for array handling functions
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
Contributed by Paul Brook
This file is part of GNU G95.
GNU G95 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 2, or (at your option)
any later version.
GNU G95 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 GNU G95; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Generate code to free an array. */
tree gfc_array_deallocate (tree);
/* Generate code to initialise an allocate an array. Statements are added to
se, which should contain an expression for the array descriptor. */
void gfc_array_allocate (gfc_se *, gfc_ref *, tree);
/* Generate code to allocate a temporary array. */
tree gfc_trans_allocate_temp_array (gfc_loopinfo *, gfc_ss_info *, tree,
tree);
/* Generate function entry code for allocation of compiler allocated array
variables. */
tree gfc_trans_auto_array_allocation (tree, gfc_symbol *, tree);
/* Generate entry and exit code for dummy array parameters. */
tree gfc_trans_dummy_array_bias (gfc_symbol *, tree, tree);
/* Generate entry and exit code for g77 calling convention arrays. */
tree gfc_trans_g77_array (gfc_symbol *, tree);
/* Add initialisation for deferred arrays. */
tree gfc_trans_deferred_array (gfc_symbol *, tree);
/* 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 *);
/* Walk the arguments of an intrinsic function. */
gfc_ss *gfc_walk_elemental_function_args (gfc_ss *, gfc_expr *, gfc_ss_type);
/* Walk an intrinsic function. */
gfc_ss *gfc_walk_intrinsic_function (gfc_ss *, gfc_expr *,
gfc_intrinsic_sym *);
/* Free the SS assocuated 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);
/* 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 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 *);
/* Initialise the scalarization loop parameters. */
void gfc_conv_loop_setup (gfc_loopinfo *);
/* Resolve array assignment dependencies. */
void gfc_conv_resolve_dependencies (gfc_loopinfo *, gfc_ss *, gfc_ss *);
/* Get a single array element. */
void gfc_conv_array_ref (gfc_se *, gfc_array_ref *);
/* 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 *, int);
/* 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);
/* The remaining space available for stack variables. */
extern unsigned HOST_WIDE_INT gfc_stack_space_left;
/* Returns true if a variable of specified size should go on the stack. */
int gfc_can_put_var_on_stack (tree);
/* Build expressions for accessing components of an array descriptor. */
tree gfc_conv_descriptor_data (tree);
tree gfc_conv_descriptor_offset (tree);
tree gfc_conv_descriptor_dtype (tree);
tree gfc_conv_descriptor_stride (tree, tree);
tree gfc_conv_descriptor_lbound (tree, tree);
tree gfc_conv_descriptor_ubound (tree, tree);
/* Dependency checking for WHERE and FORALL. */
int gfc_check_dependency (gfc_expr *, gfc_expr *, gfc_expr **, int);
/* Dependency checking for function calls. */
int gfc_check_fncall_dependency (gfc_expr *, gfc_expr *);
/* Add pre-loop scalarization code for intrinsic functions which require
special handling. */
void gfc_add_intrinsic_ss_code (gfc_loopinfo *, gfc_ss *);
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