Merge tree-ssa-20020619-branch into mainline.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81764 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 117 insertions, 0 deletions

diff --git a/gcc/fortran/trans-array.h b/gcc/fortran/trans-array.h
new file mode 100644
index 00000000000..fe3f9ce707d
--- /dev/null
+++ b/gcc/fortran/trans-array.h
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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 *);