Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 188 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/fortran/trans-array.h b/gcc-4.9/gcc/fortran/trans-array.h
new file mode 100644
index 000000000..c4c09c1c5
--- /dev/null
+++ b/gcc-4.9/gcc/fortran/trans-array.h
@@ -0,0 +1,188 @@
+/* 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
+<http://www.gnu.org/licenses/>.  */
+
+/* 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_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_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);