path: root/gcc/fortran/ChangeLog

2009-05-10  Ian Lance Taylor  <iant@google.com>

	* gfortran.h (enum gfc_omp_sched_kind): New enum, broken out of
	gfc_omp_clauses.
	(enum gfc_omp_default_sharing): Likewise.
	* module.c (enum gfc_rsym_state): New enum, broken out of
	pointer_info.
	(enum gfc_wsym_state): Likewise.
	* parse.c (enum state_order): New enum, broken out of st_state.

2009-05-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40018
	* trans-array.c (gfc_trans_array_constructor_value): Fold
	convert numeric constants.
	(gfc_build_constant_array_constructor): The same.

2009-05-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* trans-expr.c (gfc_conv_operator_assign): Remove function.
	* trans.h : Remove prototype for gfc_conv_operator_assign.
	* trans-stmt.c (gfc_conv_elemental_dependencies): Initialize
	derivde types with intent(out).
	(gfc_trans_call): Add mask, count1 and invert arguments. Add
	code to use mask for WHERE assignments.
	(gfc_trans_forall_1): Use new arguments for gfc_trans_call.
	(gfc_trans_where_assign): The gfc_symbol argument is replaced
	by the corresponding code. If this has a resolved_sym, then
	gfc_trans_call is called. The call to gfc_conv_operator_assign
	is removed.
	(gfc_trans_where_2): Change the last argument in the call to
	gfc_trans_where_assign.
	* trans-stmt.h : Modify prototype for gfc_trans_call.
	* trans.c (gfc_trans_code): Use new args for gfc_trans_call.

2009-05-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39876
	* intrinsic.c (gfc_is_intrinsic): Do not add the EXTERNAL attribute if
	the symbol is a module procedure.

2009-05-08  Tobias Burnus  <burnus@net-b.de>

	* invoke.texi: Add do/recursion to the -fcheck= summary.

2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/38830
	* gfortran.texi: Document that we don't support variable FORMAT
	expressions.

2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/39576
	* error.c (error_print): Add missing break statement.

2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/36382
	* invoke.texi: Document that -fdollar-ok does not allow $ to be
	used in IMPLICIT statement.

2009-05-06  Janus Weil  <janus@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39630
	* decl.c (match_procedure_interface): New function to match the
	interface for a PROCEDURE statement.
	(match_procedure_decl): Call match_procedure_interface.
	(match_ppc_decl): New function to match the declaration of a
	procedure pointer component.
	(gfc_match_procedure):  Call match_ppc_decl.
	(match_binding_attributes): Add new argument 'ppc' and handle the
	POINTER attribute for procedure pointer components.
	(match_procedure_in_type,gfc_match_generic): Added new argument to
	match_binding_attributes.
	* dump-parse-tree.c (show_expr,show_components,show_code_node): Handle
	procedure pointer components.
	* expr.c (free_expr0,gfc_copy_expr,gfc_simplify_expr): Handle EXPR_PPC.
	(gfc_check_pointer_assign): Handle procedure pointer components, but no
	full checking yet.
	(is_proc_ptr_comp): New function to determine if an expression is a
	procedure pointer component.
	* gfortran.h (expr_t): Add EXPR_PPC.
	(symbol_attribute): Add new member 'proc_pointer_comp'.
	(gfc_component): Add new member 'formal'.
	(gfc_exec_op): Add EXEC_CALL_PPC.
	(gfc_get_default_type): Changed first argument.
	(is_proc_ptr_comp): Add prototype.
	(gfc_match_varspec): Add new argument.
	* interface.c (compare_actual_formal): Handle procedure pointer
	components.
	* match.c (gfc_match_pointer_assignment,match_typebound_call): Handle
	procedure pointer components.
	* module.c (mio_expr): Handle EXPR_PPC.
	* parse.c (parse_derived): Handle procedure pointer components.
	* primary.c (gfc_match_varspec): Add new argument 'ppc_arg' and handle
	procedure pointer components.
	(gfc_variable_attr): Handle procedure pointer components.
	(gfc_match_rvalue): Added new argument to gfc_match_varspec and changed
	first argument of gfc_get_default_type.
	(match_variable): Added new argument to gfc_match_varspec.
	* resolve.c (resolve_entries,set_type,resolve_fl_parameter): Changed
	first argument of gfc_get_default_type.
	(resolve_structure_cons,resolve_actual_arglist): Handle procedure
	pointer components.
	(resolve_ppc_call): New function to resolve a call to a procedure
	pointer component (subroutine).
	(resolve_expr_ppc): New function to resolve a call to a procedure
	pointer component (function).
	(gfc_resolve_expr): Handle EXPR_PPC.
	(resolve_code): Handle EXEC_CALL_PPC.
	(resolve_fl_derived): Copy the interface for a procedure pointer
	component.
	(resolve_symbol): Fix overlong line.
	* st.c (gfc_free_statement): Handle EXEC_CALL_PPC.
	* symbol.c (gfc_get_default_type): Changed first argument.
	(gfc_set_default_type): Changed first argument of gfc_get_default_type.
	(gfc_add_component): Initialize ts.type to BT_UNKNOWN.
	* trans.h (gfc_conv_function_call): Renamed.
	* trans.c (gfc_trans_code): Handle EXEC_CALL_PPC.
	* trans-expr.c (gfc_conv_component_ref): Ditto.
	(gfc_conv_function_val): Rename to 'conv_function_val', add new
	argument 'expr' and handle procedure pointer components.
	(gfc_conv_operator_assign): Renamed gfc_conv_function_val.
	(gfc_apply_interface_mapping_to_expr): Handle EXPR_PPC.
	(gfc_conv_function_call): Rename to 'gfc_conv_procedure_call', add new
	argument 'expr' and handle procedure pointer components.
	(gfc_get_proc_ptr_comp): New function to get the backend decl for a
	procedure pointer component.
	(gfc_conv_function_expr): Renamed gfc_conv_function_call.
	(gfc_conv_structure): Handle procedure pointer components.
	* trans-intrinsic.c (gfc_conv_intrinsic_funcall,
	conv_generic_with_optional_char_arg): Renamed gfc_conv_function_call.
	* trans-stmt.h (gfc_get_proc_ptr_comp): Add prototype.
	* trans-stmt.c (gfc_trans_call): Renamed gfc_conv_function_call.
	* trans-types.h (gfc_get_ppc_type): Add prototype.
	* trans-types.c (gfc_get_ppc_type): New function to build a tree node
	for a procedure pointer component.
	(gfc_get_derived_type): Handle procedure pointer components.

2009-05-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40041
	* resolve.c (resolve_symbol): Print no warning for implicitly
	typed intrinsic functions.

2009-05-05  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39998
	* expr.c (gfc_check_pointer_assign): Check for statement functions and
	internal procedures in procedure pointer assignments.

2009-04-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39946
	* resolve.c (resolve_symbol): Correctly copy the interface of a
	PROCEDURE statement if the interface involves a RESULT variable.

2009-04-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39930
	PR fortran/39931
	* expr.c (gfc_check_pointer_assign): Correctly detect if the left hand
	side is a pointer.
	* parse.c (gfc_fixup_sibling_symbols): Don't check for ambiguity.

2009-04-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39879
	* trans_expr.c (gfc_conv_procedure_call): Deep copy a derived
	type parentheses argument if it is a variable with allocatable
	components.

2009-04-27  Ian Lance Taylor  <iant@google.com>

	* trans-intrinsic.c (DEFINE_MATH_BUILTIN): Add casts to enum
	type.
	* trans-io.c (st_parameter_field): Add casts to enum type.

2009-04-26  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/39893
	fortran/data.c (gfc_assign_data_value): If the lvalue is an 
	assumed character length entity in a data statement, then 
	return FAILURE to prevent segmentation fault.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

	* trans-decl.c: Include pointer-set.h.
	(nonlocal_dummy_decl_pset, tree nonlocal_dummy_decls): New variables.
	(gfc_nonlocal_dummy_array_decl): New function.
	(gfc_get_symbol_decl): Call it for non-local dummy args with saved
	descriptor.
	(gfc_get_symbol_decl): Set DECL_BY_REFERENCE when needed.
	(gfc_generate_function_code): Initialize nonlocal_dummy_decl{s,_pset},
	chain it to outermost block's vars, destroy it afterwards.
	* Make-lang.in (trans-decl.o): Depend on pointer-set.h.

2009-04-25  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39688
	* decl.c (gfc_match_import): Use 'sym->name' instead of 'name'.
	They differ if the symbol has been use-renamed.

2009-04-24  Ian Lance Taylor  <iant@google.com>

	* gfortran.h (enum gfc_symbol_type): New named enum type, broken
	out of struct gfc_symbol.
	(struct gfc_symbol): Use enum gfc_symbol_type.
	(enum gfc_array_ref_dimen_type): New named enum type, broken out
	of struct gfc_array_ref).
	(struct gfc_array_ref): Use enum gfc_array_ref_dimen_type.
	(mod_pointee_as): Update declaration.
	* decl.c (add_global_entry): Change type to enum gfc_symbol_type.
	(gfc_mod_pointee_as): Change return type to "match".
	* module.c (mio_array_ref): Add cast to enum type.
	(mio_symbol): Likewise.
	* resolve.c (resolve_global_procedure): Change type to enum
	gfc_symbol_type.
	* trans-io.c (gfc_build_st_parameter): Change type to unsigned
	int.

2009-04-24  Daniel Kraft  <d@domob.eu>

	* gfortran.h (gfc_get_typebound_proc): Removed as macro, now a function.
	(struct gfc_symtree): Moved `typebound' member inside union.
	(struct gfc_namespace): Add `tb_sym_root' as new symtree to sort out
	type-bound procedures there.
	(gfc_get_tbp_symtree): New procedure.
	* symbol.c (tentative_tbp_list): New global.
	(gfc_get_namespace): NULL new `tb_sym_root' member.
	(gfc_new_symtree): Removed initialization of `typebound' member.
	(gfc_undo_symbols): Process list of tentative tbp's.
	(gfc_commit_symbols): Ditto.
	(free_tb_tree): New method.
	(gfc_free_namespace): Call it.
	(gfc_get_typebound_proc): New method.
	(gfc_get_tbp_symtree): New method.
	(gfc_find_typebound_proc): Adapt to structural changes of gfc_symtree
	and gfc_namespace with regards to tbp's.
	* dump-parse-tree.c (show_typebound): Ditto.
	* primary.c (gfc_match_varspec): Ditto.  Don't reference tbp-symbol
	as it isn't a symbol any longer.
	* module.c (mio_typebound_symtree): Adapt to changes.
	(mio_typebound_proc): Ditto, create symtrees using `gfc_get_tbp_symtree'
	rather than `gfc_get_sym_tree'.
	(mio_f2k_derived): Ditto.
	* decl.c (match_procedure_in_type): Ditto.
	(gfc_match_generic): Ditto.  Don't reference tbp-symbol.
	* resolve.c (check_typebound_override): Adapt to changes.
	(resolve_typebound_generic): Ditto.
	(resolve_typebound_procedures): Ditto.
	(ensure_not_abstract_walker): Ditto.
	(ensure_not_abstract): Ditto.
	(resolve_typebound_procedure): Ditto, ignore erraneous symbols (for
	instance, through removed tentative ones).
	* gfc-internals.texi (Type-bound procedures): Document changes.

2009-04-24  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39861
	PR fortran/39864
	* symbol.c (gfc_copy_formal_args_intr): Set attr.flavor and attr.dummy
	for the formal arguments.

2009-04-21  Taras Glek <tglek@mozilla.com>

	* f95-lang.c: Update GTY annotations to new syntax.
	* trans-intrinsic.c: Likewise.
	* trans-io.c: Likewise.
	* trans.h: Likewise.

2009-04-22  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39735
	* decl.c (add_hidden_procptr_result): Bugfix for procptr results.
	(match_procedure_decl): Set if_source.
	* expr.c (gfc_check_pointer_assign): Bugfix: Return after error.
	And: Check interface also for IFSRC_UNKNOWN (return type may be known).
	* gfortran.h (typedef enum ifsrc): Remove IFSRC_USAGE,
	add documentation. Rename copy_formal_args and copy_formal_args_intr.
	* interface.c (gfc_compare_interfaces): Check for return types,
	handle IFSRC_UNKNOWN.
	(compare_intr_interfaces,compare_actual_formal_intr): Obsolete, removed.
	(gfc_procedure_use): Modified handling of intrinsics.
	* intrinsic.c (add_functions): Bugfix for "dim".
	* resolve.c (resolve_intrinsic): New function to resolve intrinsics,
	which copies the interface from isym to sym.
	(resolve_procedure_expression,resolve_function): Use new function
	'resolve_intrinsic'.
	(resolve_symbol): Add function attribute for externals with return type
	and use new function 'resolve_intrinsic'.
	* symbol.c (ifsrc_types): Remove string for IFSRC_USAGE.
	(copy_formal_args): Renamed to gfc_copy_formal_args.
	(copy_formal_args_intr): Renamed to gfc_copy_formal_args_intr.
	* trans-const.c (gfc_conv_const_charlen): Handle cl==NULL.

2009-04-21  Joseph Myers  <joseph@codesourcery.com>

	* ChangeLog, ChangeLog-2002, ChangeLog-2003, ChangeLog-2004,
	ChangeLog-2005, ChangeLog-2006, ChangeLog-2007, ChangeLog-2008,
	ChangeLog.ptr, config-lang.in, ioparm.def, mathbuiltins.def: Add
	copyright and license notices.
	* ChangeLog, ChangeLog-2005, ChangeLog-2006, ChangeLog-2007,
	ChangeLog-2008: Correct dates.

2009-04-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39811
	* scanner.c (load_line): Fix bogus "&" compile-time diagnostic.

2009-04-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39800
	* resolve.c (is_sym_host_assoc): New function.
	(resolve_fl_derived): Call it when checking PRIVATE components
	of PUBLIC derived types.  Change gfc_error to a gfc_notify_std
	with std=f2003.
	(resolve_fl_namelist): Call it twice to check for host
	association.

2009-04-20  Ian Lance Taylor  <iant@google.com>

	* module.c (import_iso_c_binding_module): Add casts to enum type.
	* trans-intrinsic.c (gfc_conv_intrinsic_minmax): Change op to enum
	tree_code.
	(gfc_conv_intrinsic_anyall): Likewise.
	(gfc_conv_intrinsic_arith): Likewise.
	(gfc_conv_intrinsic_minmaxloc): Likewise.
	(gfc_conv_intrinsic_minmaxval): Likewise.
	(gfc_conv_intrinsic_bitop): Likewise.
	(gfc_conv_intrinsic_singlebitop): Likewise.
	(gfc_conv_intrinsic_strcmp): Likewise.

2009-04-20  Vasilis Liaskovitis  <vliaskov@gmail.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR fortran/35423
	* trans.h (OMPWS_WORKSHARE_FLAG, OMPWS_CURR_SINGLEUNIT,
	OMPWS_SCALARIZER_WS, OMPWS_NOWAIT): Define.
	(ompws_flags): New extern decl.
	* trans-array.c (gfc_trans_scalarized_loop_end): Build OMP_FOR
	for the outer dimension if ompws_flags allow it.
	* trans.c (gfc_generate_code): Clear ompws_flags.
	* trans-expr.c (gfc_trans_assignment_1): Allow worksharing
	array assignments inside of !$omp workshare.
	* trans-stmt.c (gfc_trans_where_3): Similarly for where statements
	and constructs.
	* trans-openmp.c (ompws_flags): New variable.
	(gfc_trans_omp_workshare): Rewritten.

2009-04-11  Daniel Kraft  <d@domob.eu>

	PR fortran/37746
	* gfortran.h (struct gfc_charlen): New field `passed_length' to store
	the actual passed string length for dummy arguments.
	* trans-decl.c (gfc_create_string_length): Formatting fixes and added
	assertion, moved a local variable into the innermost block it is needed.
	(create_function_arglist): Removed TODO about the check being
	implemented and initialize cl->passed_length here.
	(add_argument_checking): New method.
	(gfc_generate_function_code): Call the argument checking method.

2009-04-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39692
	* symbol.c (check_conflict): Reject procedure pointers for -std=f95.

2009-04-11  Daniel Franke  <franke.daniel@gmail.com>

	* resolve.c (resolve_global_procedure): Enable whole-file checking for
	procedures that are declared later in the file.
	
2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/39701
	* trans.c (gfc_allocate_with_status): Fix type mismatches
	on "pstat == 0".

2009-04-10  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/38709
	* expr.c (find_array_section): Leave early on zero-sized arrays.

2009-04-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36704
	* decl.c (add_hidden_procptr_result): New function for handling
	procedure pointer return values by adding a hidden result variable.
	(variable_decl,match_procedure_decl,gfc_match_function_decl,
	gfc_match_subroutine,gfc_match_end,attr_decl1): Handle procedure pointer
	return values.
	* parse.c (parse_interface): Add EXTERNAL attribute only after
	FUNCTION/SUBROUTINE declaration is complete.
	* primary.c (replace_hidden_procptr_result): New function for replacing
	function symbol by hidden result variable.
	(gfc_match_rvalue,match_variable): Replace symbol by hidden result
	variable.
	* resolve.c (resolve_contained_fntype,resolve_function,resolve_variable,
	resolve_symbol): Allow for procedure pointer function results.
	(resolve_fl_procedure): Conflict detection moved here from
	'check_conflict'.
	* symbol.c (gfc_check_function_type): Allow for procedure pointer
	function results.
	(check_conflict): Move some conflict detection to resolution stage.
	* trans-types.c (gfc_sym_type,gfc_get_function_type): Handle hidden
	result variables.

2009-04-08  Jakub Jelinek  <jakub@redhat.com>

	* trans-types.c (gfc_init_types): Ensure gfc_integer_types doesn't
	contain TYPE_STRING_FLAG types.

2009-04-08  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/39670
	* invoke.texi (fdollar-ok): Fix typo.
	
2009-04-08  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/39670
	* invoke.texi (fdollar-ok): Clarify limitations.

2009-04-08  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* trans-array.c (gfc_trans_deferred_array): Return if this
	is a result variable.

2009-04-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38152
	* trans-decl.c (gfc_get_symbol_decl): Correctly set decl location for
	procedure pointer decls.

2009-04-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38290
	* expr.c (gfc_check_pointer_assign): Enable interface check for
	procedure pointers.
	* gfortran.h: Add copy_formal_args_intr.
	* interface.c (gfc_compare_interfaces): Call gfc_compare_intr_interfaces
	if second argument is an intrinsic.
	(compare_intr_interfaces): Correctly set attr.function, attr.subroutine
	and ts.
	(compare_parameter): Call gfc_compare_interfaces also for intrinsics.
	* resolve.c (resolve_specific_f0,resolve_specific_s0): Don't resolve
	intrinsic interfaces here. Must happen earlier.
	(resolve_symbol): Resolution of intrinsic interfaces moved here from
	resolve_specific_..., and formal args are now copied from intrinsic
	interfaces.
	* symbol.c (copy_formal_args_intr): New function to copy the formal
	arguments from an intinsic procedure.

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* dependency.c (ref_same_as_full_array): New function.
	(gfc_dep_resolver): Call it.

2009-04-06  Janus Weil  <janus@gcc.gnu.org>

       PR fortran/39414
       * decl.c (match_procedure_decl): Fix double declaration problems with
       PROCEDURE statements.
       * symbol.c (gfc_add_type): Ditto.

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/36091
        * trans-array.c (gfc_conv_array_ref): If the symbol has the
	temporary attribute use the array_spec for the bounds.
	* gfortran.h : Add the temporary field to the structure
	'symbol_attribute'.
	* trans-stmt.c (forall_make_variable_temp): Set the symbol's
	temporary attribute.

2009-04-05  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/29458
	* trans-array.c (gfc_trans_array_constructor_value): Shadow
	implied do-loop variable to avoid spurious middle-end warnings.

2009-04-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39577
	* trans-decl.c (gfc_generate_function_code): Move recursive
	check to the right position.

2009-04-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37614
	* trans-common.c (translate_common): Do not offset the whole
	coomon block.

2009-04-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39594
	* resolve.c (resolve_common_vars): Add FL_VARIABLE to symbol
	if it is not a procedure pointer.
	* primary.c (match_actual_arg): Ditto.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/15638
	* cpp.c (cb_cpp_error): Handle CPP_DL_FATAL.

2009-03-30  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/38389
	* trans-stmt.c(gfc_trans_allocate): Add translation of ERRMSG.
	(gfc_trans_deallocate): Add translation of ERRMSG.  Remove stale
	comments.  Minor whitespace cleanup.
	* resolve.c(is_scalar_expr_ptr): Whitespace cleanup.
	(resolve_deallocate_expr (gfc_expr *e): Update error message.
	(resolve_allocate_expr):  Remove dead code.  Update error message.
	Move error checking to ...
	(resolve_allocate_deallocate): ... here.  Add additional error
	checking for STAT, ERRMSG, and allocate-objects.
	* match.c(gfc_match_allocate,gfc_match_deallocate):  Parse ERRMSG.
	Check for redundant uses of STAT and ERRMSG.  Reword error message
	and add checking for pointer, allocatable, and proc_pointer attributes.

2009-03-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/22571
	PR fortran/26227
	PR fortran/24886
	* symbol.c : Add gfc_global_ns_list.
	* decl.c (add_global_entry): Set the namespace ('ns') field.
	* gfortran.h : Add the resolved field to gfc_namespace. Add the
	namespace ('ns') field to gfc_gsymbol.  Add flag_whole_file to
	gfc_option_t.  Add the prototype for gfc_free_dt_list.
	* lang.opt : Add the whole-file option.
	* invoke.texi : Document the whole-file option.
	* resolve.c (resolve_global_procedure): If the fwhole-file
	option is set, reorder gsymbols to ensure that translation is
	in the right order.  Resolve the gsymbol's namespace if that
	has not occurred and then check interfaces.
	(resolve_function): Move call to resolve_global_procedure.
	(resolve_call): The same.
	(resolve_codes): Store the current labels_obstack.
	(gfc_resolve) : Return if the namespace is already resolved.
	trans-decl.c (gfc_get_extern_function_decl): If the whole_file
	option is selected, use the backend_decl of a gsymbol, if it is
	available.
	parse.c (add_global_procedure, add_global_program): If the flag
	whole-file is set, add the namespace to the gsymbol.
	(gfc_parse_file): On -fwhole-file, put procedure namespaces on
	the global namespace list.  Rearrange to do resolution of all
	the procedures in a file, followed by their translation.
	* options.c (gfc_init_options): Add -fwhole-file.
	(gfc_handle_option): The same.

2009-03-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_HUGE_VAL
	family of intrinsics instead of BUILT_IN_INF family.
	* trans-intrinsics.c (gfc_conv_intrinsic_nearest): Use
	BUILT_IN_HUGE_VAL instead of BUILT_IN_INF.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

	* trans-types.c (gfc_sym_type, gfc_return_by_reference): For
	sym->attr.result check sym->ns->proc_name->attr.is_bind_c.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

	PR rtl-optimization/323
	* options.c (gfc_post_options): Set
	flag_excess_precision_cmdline.  Give an error for
	-fexcess-precision=standard for processors where the option is
	significant.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/34695
	* cpp.c (cb_cpp_error): New.
	(gfc_cpp_post_options): Don't set cpp_option->inhibit_warnings.
	Don't check cpp_errors (cpp_in).
	(gfc_cpp_init_0): Set cb->error.

2009-03-29  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/38823
	* gfortran.h: Add ARITH_PROHIBIT to arith enum.
	expr.c (gfc_match_init_expr): Add global variable init_flag to
	flag matching an initialization expression.
	(check_intrinsic_op): Move no longer reachable error message to ...
	* arith.c (arith_power): ... here.  Remove gfc_ prefix in
	gfc_arith_power.  Use init_flag.  Allow constant folding of x**y
	when y is REAL or COMPLEX.
	(eval_intrinsic): Remove restriction that y in x**y must be INTEGER
	for constant folding.
	* gfc_power: Update gfc_arith_power to arith_power

2009-03-29  Daniel Kraft  <d@domob.eu>

	PR fortran/37423
	* gfortran.h (struct gfc_typebound_proc): Added new flag `deferred' and
	added a comment explaining DEFERRED binding handling.
	* decl.c (match_binding_attributes): Really match DEFERRED attribute.
	(match_procedure_in_type): Really match PROCEDURE(interface) syntax
	and do some validity checks for DEFERRED and this construct.
	* module.c (binding_overriding): New string constant for DEFERRED.
	(mio_typebound_proc): Module-IO DEFERRED flag.
	* resolve.c (check_typebound_override): Ensure that a non-DEFERRED
	binding is not overridden by a DEFERRED one.
	(resolve_typebound_procedure): Allow abstract interfaces as targets
	for DEFERRED bindings.
	(ensure_not_abstract_walker), (ensure_not_abstract): New methods.
	(resolve_fl_derived): Use new `ensure_not_abstract' method for
	non-ABSTRACT types extending ABSTRACT ones to ensure each DEFERRED
	binding is overridden.
	(check_typebound_baseobject): New method.
	(resolve_compcall), (resolve_typebound_call): Check base-object of
	the type-bound procedure call.
	* gfc-internals.texi (Type-bound procedures): Document a little bit
	about internal handling of DEFERRED bindings.

2009-03-29  Tobias Schlüter  <tobi@gcc.gnu.org>

	PR fortran/38507
	* gfortran.h (gfc_st_label): Fix comment.
	(gfc_exec_op): Add statement code EXEC_END_BLOCK for end of block.
	* parse.c (accept_statement): Use EXEC_END_BLOCK for END IF and
	END SELECT with labels.
	(check_do_closure): Fix formatting.
	(parse_do_block): Fix typo in error message.
	* resolve.c (code_stack): Remove tail member.  Update comment to
	new use of reachable_labels.
	(reachable_labels): Rename to ...
	(find_reachable_labels): ... this.  Overhaul.  Update preceding
	comment.
	(resolve_branch): Fix comment preceding function.  Rewrite.
	(resolve_code): Update call to find_reachable_labels.  Add code to
	deal with EXEC_END_BLOCK.
	* st.c (gfc_free_statement): Add code to deal with EXEC_END_BLOCK.
	Add 2009 to copyright years.
	* trans.c (gfc_trans_code): Likewise on both counts.

2009-03-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38917
	* expr.c (gfc_check_assign): Allow pointer components when
	checking for NULL.

	PR fortran/38918
	* resolve.c (check_data_variable): Treat pointer arrays with
	scalars.

2009-03-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38915
	* trans-expr.c (gfc_trans_assignment_1): Ensure temporaries
	have a string_length.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34656
	* trans-stmt.c (gfc_trans_simple_do, gfc_trans_do):
	Add GFC_RTCHECK_DO support.
	* option.c (gfc_handle_runtime_check_option): Enable GFC_RTCHECK_DO.
	* invoke.texi (-fcheck): Document "do" option.

2009-03-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38538
	* trans-array.c (get_elemental_fcn_charlen): Remove.
	(get_array_charlen): New function to replace previous.

2009-03-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38765
	* parse.c (parse_derived): Do not break on finding pointer,
	allocatable or private components.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/32626
	* option.c (gfc_handle_runtime_check_option): Enable recursion check.
	* trans-decl.c (gfc_generate_function_code): Add recursion check.
	* invoke.texi (-fcheck): Add recursive option.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/38432
	* resolve.c (gfc_resolve_iterator): Add zero-loop warning.

2009-03-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>

	* gfortran.h (gfc_option_t): Add rtcheck.
	* lang.opt: New option -fcheck.
	* libgfortran.h: Add GFC_RTCHECK_* constants.
	* invoke.texi: Document -fcheck.
	* options.c (gfc_handle_runtime_check_option): New function.
	(gfc_init_options,gfc_post_options,gfc_handle_option):
	Add -fcheck option.

2009-03-27  Richard Guenther  <rguenther@suse.de>

	* trans-array.c (gfc_conv_descriptor_data_addr): Use
	gfc_build_addr_expr instead of build_fold_addr_expr.
	(gfc_trans_allocate_array_storage, gfc_trans_array_constructor_value,
	gfc_trans_constant_array_constructor, gfc_conv_array_data,
	gfc_conv_expr_descriptor, gfc_conv_array_parameter): Likewise.
	* trans-expr.c (gfc_conv_missing_dummy, gfc_conv_variable,
	gfc_conv_function_val, gfc_conv_operator_assign,
	gfc_conv_subref_array_arg, gfc_conv_function_call,
	gfc_conv_expr_reference, gfc_trans_scalar_assign): Likewise.
	* trans-intrinsic.c (gfc_conv_intrinsic_exponent,
	gfc_conv_intrinsic_ctime, gfc_conv_intrinsic_fdate,
	gfc_conv_intrinsic_ttynam, gfc_conv_intrinsic_minmax_char,
	gfc_conv_intrinsic_fraction, gfc_conv_intrinsic_spacing,
	gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_set_exponent,
	gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer,
	gfc_conv_intrinsic_si_kind, gfc_conv_intrinsic_trim): Likewise.
	* trans-io.c (gfc_trans_io_runtime_check, set_parameter_ref,
	gfc_convert_array_to_string, gfc_trans_open, gfc_trans_close,
	build_filepos, gfc_trans_inquire, gfc_trans_wait,
	nml_get_addr_expr, transfer_namelist_element, build_dt,
	gfc_trans_dt_end, transfer_array_component, transfer_expr,
	transfer_array_desc, gfc_trans_transfer): Likewise.
	* trans-stmt.c (gfc_trans_allocate, gfc_trans_deallocate): Likewise.
	* trans.c (gfc_build_addr_expr): Mark the base of the address
	TREE_ADDRESSABLE.

2009-03-27  Tobias Burnus  <burnus@net-b.de>

	* gfortran.h (enum init_local_real.): Add GFC_INIT_REAL_SNAN.
	(gfc_expr): Add is_snan.
	* trans-const.c (gfc_conv_mpfr_to_tree): Support SNaN.
	(gfc_conv_constant_to_tree): Update call to gfc_conv_mpfr_to_tree.
	* trans-const.h (gfc_conv_mpfr_to_tree): Update prototype.
	* resolve.c (build_default_init_expr): Update call.
	* target-memory.c (encode_float): Ditto.
	* trans-intrinsic.c (gfc_conv_intrinsic_aint,gfc_conv_intrinsic_mod,

2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* lang.opt: Unify help texts for -I, -Wconversion, -d, -fopenmp,
	and -fpreprocessed.

2009-03-06  Alexandre Oliva <aoliva@redhat.com>

	* simplify.c (gfc_simplify_transfer): Zero-initialize the
	buffer.

2009-02-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39309
	* module.c (read_md5_from_module_file): Add missing quote.

2009-02-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39309
	* module.c (read_md5_from_module_file): Include mod version
	in had-changed test.

2009-02-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39295
	* interface.c (compare_type_rank_if): Return 1 if the symbols
	are the same and deal with external procedures where one is
	identified to be a function or subroutine by usage but the
	other is not.

2009-02-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39292
	* trans-array.c (gfc_conv_array_initializer): Convert all
	expressions rather than ICEing.

2009-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/38914
	* array.c (ref_dimen_size):  Rename to gfc_ref_dimen_size,
	make global.  Change function name in error messages.
	(ref_size):  Change ref_dimen_size to gfc_ref_dimen_size.
	(gfc_array_ref_shape):  Likewise.
	* gfortran.h:  Add prototype for gfc_ref_dimen_size.
	* simplify.c (simplify_bound_dim):  Add ref argument.
	If the reference isn't a full array, return one for
	the lower bound and the extent for the upper bound.
	(simplify_bound):  For array sections, take as from the
	argument.  Add reference to all to simplify_bound_dim.

2009-02-19  Daniel Franke  <franke.daniel@gmail.com>

	* scanner.c (load_line): At end of line, skip '\r' without setting
	the truncation flag.

2009-02-18  Daniel Kraft  <d@domob.eu>

	* gfortran.texi: New chapter about compiler characteristics.
	(Compiler Characteristics): Document KIND type parameters here.

2009-02-18  Tobias Burnus  <burnus@net-b.de>

	* intrinsic.texi (MALLOC): Make example more portable.

2009-02-13  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38259
	* module.c (gfc_dump_module,gfc_use_module): Add module
	version number.

2009-02-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36703
	PR fortran/36528
	* trans-expr.c (gfc_conv_function_val): Stabilize Cray-pointer
	function references to ensure that a valid expression is used.
	(gfc_conv_function_call): Pass Cray pointers to procedures.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.

2009-01-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38852
	PR fortran/39006
	* trans-intrinsic.c (gfc_conv_intrinsic_bound): Use the array
	descriptor ubound for UBOUND, when the array lbound == 1.

2009-01-27  Daniel Kraft  <d@domob.eu>

	PR fortran/38883
	* trans-stmt.c (gfc_conv_elemental_dependencies):  Create temporary
	for the real type needed to make it work for subcomponent-references.

2009-01-21  Daniel Kraft  <d@domob.eu>

	* trans-stmt.c (gfc_conv_elemental_dependencies):  Cleaned up comment.

2009-01-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38907
	* resolve.c (check_host_association): Remove the matching to
	correct an incorrect host association and use manipulation of
	the expression instead.

2009-01-20  Tobias Burnus  <burnus@net-b.de>

	* invoke.texi (RANGE): RANGE also takes INTEGER arguments.

2009-01-19  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38859
	* simplify.c (simplify_bound): Don't use array specification
	if variable or component has subsequent references.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38657
	* module.c (write_common_0): Add argument 'this_module' and
	check that non-use associated common blocks are written first.
	(write_common): Call write_common_0 twice, once with true and
	then with false.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34955
	* trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): Has
	been absorbed into gfc_conv_intrinsic_transfer. All
	references to it in trans-intrinsic.c have been changed
	accordingly.  PR fixed by using a temporary for scalar
	character transfer, when the source is shorter than the
	destination.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38657
	* module.c (write_common_0): Revert patch of 2009-01-05.

2009-01-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38152
	* expr.c (gfc_check_pointer_assign): Allow use-associated procedure
	pointers as lvalue.
	* trans-decl.c (get_proc_pointer_decl,gfc_create_module_variable):
	Enable procedure pointers as module variables.

2009-01-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	* ChangeLog-2007: Clean out svn merge droppings.

2009-01-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38763
	* target-memory.c (encode_derived): Encode NULL.

2009-01-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38765
	* resolve.c (check_host_association): Use the symtree name to
	search for a potential contained procedure, since this is the
	name by which it would be referenced.

2009-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/38220
	* interface.c (gfc_procedure_use):  Don't warn about functions
	from ISO_C_BINDING.
	* symbol.c (generate_isocbinding_symbol):  Mark c_loc and
	c_funloc as pure.

2009-01-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38657
	* module.c (write_common_0): Use the name of the symtree rather
	than the common block, to determine if the common has been
	written.

2009-01-05  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/37159
	* check.c (gfc_check_random_seed): Added size check for GET
	dummy argument, reworded error messages to follow common pattern.

2009-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/38672
	* trans-types.c (gfc_get_derived_type):  Check for the
	presence of derived->ns->proc_name before
	accessing derived->ns->proc_name->attr.flavor .
	* resolve.c (resolve_symbol):  Likewise.

2009-01-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38665
	* gfortran.h : Add bit to gfc_expr 'user_operator'
	* interface.c (gfc_extend_expr): Set the above if the operator
	is substituted by a function. 
	* resolve.c (check_host_association): Return if above is set.

2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/35681
	* ChangeLog-2008: Fix function name.

	PR fortran/38487
	* dependency.c (gfc_check_argument_var_dependency):
	Move the check for pointerness inside the if block
	so that it doesn't affect the return value.

	PR fortran/38669
	* trans-stmt.c (gfc_trans_call):
	Add the dependency code after the loop bounds calculation one.

2009-01-04  Daniel Franke  <franke.daniel@gmail.com>

	* intrinsic.c (do_simplify): Removed already implemented TODO.

2009-01-04  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/38718
	* simplify.c (gfc_simplify_merge): New.
	* intrinsic.h (gfc_simplify_merge): New prototype.
	* intrinsic.c (add_functions): Added simplification for MERGE.

2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38536
	* gfortran.h (gfc_is_data_pointer): Added prototype
	* resolve.c (gfc_iso_c_func_interface):
	Use gfc_is_data_pointer to test for pointer attribute.
	* dependency.c (gfc_is_data_pointer):
	Support pointer-returning functions.

2009-01-03  Daniel Franke  <franke.daniel@gmail.com>

	* symbol.c (save_symbol): Don't SAVE function results.

2009-01-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38594
	* resolve.c (resolve_call): When searching for proper host
	association, use symtree rather than symbol.  For everything
	except generic subroutines, substitute the symtree in the call
	rather than the symbol.


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