re PR fortran/29699 (ICE in trans-decl.c)

[gcc.git] / gcc / fortran / ChangeLog

2006-11-09 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29699
	* trans-array.c (structure_alloc_comps): Detect pointers to
	arrays and use indirect reference to declaration.
	* resolve.c (resolve_fl_variable): Tidy up condition.
	(resolve_symbol): The same and only add initialization code if
	the symbol is referenced.
	* trans-decl.c (gfc_trans_deferred_vars): Call gfc_trans_
	deferred_array before gfc_trans_auto_array_allocation.

	PR fortran/21730
	* symbol.c (check_done): Remove.
	(gfc_add_attribute): Remove reference to check_done and remove
	the argument attr_intent.
	(gfc_add_allocatable, gfc_add_dimension, gfc_add_external,
	gfc_add_intrinsic, gfc_add_optional, gfc_add_pointer,
	gfc_add_cray_pointer, gfc_add_cray_pointee, gfc_add_result,
	gfc_add_target, gfc_add_in_common, gfc_add_elemental,
	gfc_add_pure, gfc_add_recursive, gfc_add_procedure,
	gfc_add_type): Remove references to check_done.
	* decl.c (attr_decl1): Eliminate third argument in call to
	gfc_add_attribute.
	* gfortran.h : Change prototype for gfc_add_attribute.

2006-11-08  Brooks Moses  <brooks.moses@codesourcery.com>

	* invoke.texi: Added documentation for -fmax-errors option.

2006-11-08  Brooks Moses  <brooks.moses@codesourcery.com>

	* lang.opt: Add -fmax-errors= option.
	* gfortran.h (gfc_option_t): Add max_errors element.
	* options.c (gfc_init_options): Set max_errors default value
	to 25.
	(gfc_handle_options): Assign -fmax_errors value to
	gfc_option.max_errors.
	* error.c (gfc_increment_error_count): New function, which
	also checks whether the error count exceeds max_errors.
	(gfc_warning): Use it.
	(gfc_warning_now): Use it.
	(gfc_notify_std): Use it.
	(gfc_error): Use it.
	(gfc_error_now): Use it.
	(gfc_error_check): Use it.

2006-11-08  Brooks Moses  <brooks.moses@codesourcery.com>

	* lang.opt: Remove non-working -qkind= option.
	* gfortran.h (gfc_option_t): Remove q_kind member.
	* options.c (gfc_init_options): Remove q_kind initialization.
	(gfc_handle_option): Remove -qkind= option handling.
	* primary.c: (match_real_constant): Remove 'Q' exponent.

2006-11-08  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi: Add volatile and internal-file
	  namelist to Fortran 2003 status.
	* intrinsic.texi: Correct CHMOD entry.

2006-11-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29539
	PR fortran/29634
	* decl.c (variable_decl): Add test for presence of proc_name.
	* error.c (gfc_error_flag_test): New function.
	* gfortran.h : Prototype for gfc_error_flag_test.

2006-11-07  Tobias Burnus  <burnus@net-b.de>

	PR fortran/29601
	* symbol.c (check_conflict, gfc_add_volatile): Add volatile support.
	* decl.c (match_attr_spec, gfc_match_volatile): Add volatile support.
	* gfortran.h (symbol_attribute): Add volatile_ to struct.
	* resolve.c (was_declared): Add volatile support.
	* trans-decl.c (gfc_finish_var_decl): Add volatile support.
	* match.h: Declare gfc_match_volatile.
	* parse.c (decode_statement): Recognize volatile.
	* modules.c (ab_attribute, attr_bits, mio_symbol_attribute):
	  Add volatile support.
	* dump-parse-tree.c (gfc_show_attr): Add volatile support.

2006-11-06  Tobias Burnus  <burnus@net-b.de>

	* decl.c (match_attr_spec, gfc_match_enum): Unify gfc_notify_std
	  message for GFC_STD_F2003.
	* array.c (gfc_match_array_constructor): Unify gfc_notify_std
	  message for GFC_STD_F2003.
	* io.c (check_io_constraints): Unify gfc_notify_std message for
	  GFC_STD_F2003.
	* resolve.c (resolve_actual_arglist): Unify gfc_notify_std message
	  for GFC_STD_F2003.

2006-11-06  Brooks Moses  <brooks.moses@codesourcery.com>

	* intrinsic.texi: Added documentation for FTELL, GETLOG, and
	HOSTNM intrinsics.

2006-11-06  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/29630
	PR fortran/29679
	* expr.c (find_array_section): Support vector subscripts.  Don't
	  add sizes for dimen_type == DIMEN_ELEMENT to the shape array.

2006-11-05  Bernhard Fischer  <aldot@gcc.gnu.org>

	PR fortran/21061
	* error.c (gfc_warning): If warnings_are_errors then treat
	warnings as errors with respect to the exit code.
	(gfc_notify_std): Ditto.
	(gfc_warning_now): Ditto.

2006-11-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu,org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24518
	* trans-intrinsic.c (gfc_conv_intrinsic_mod): Use built_in fmod
	for both MOD and MODULO, if it is available.

	PR fortran/29565
	* trans-expr.c (gfc_conv_aliased_arg): For an INTENT(OUT), save
	the declarations from the unused loops by merging the block
	scope for each; this ensures that the temporary is declared.

2006-11-04  Brooks Moses  <brooks.moses@codesourcery.com>

	* error.c (show_locus): Add trailing colon in error messages.
	(error_print): Avoid leading space in error lines.

2006-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29713
	* expr.c (gfc_simplify_expr): Correct memory allocation.

2006-11-02  Brooks Moses  <brooks.moses@codesourcery.com>

	* error.c (show_locus): Remove "In file" from error messages.

2006-10-31  Geoffrey Keating  <geoffk@apple.com>

	* trans-decl.c (gfc_generate_constructors): Update for removal
	of get_file_function_name.

2006-11-01  Bernhard Fischer  <aldot@gcc.gnu.org>

	PR fortran/29537
	* trans-common.c (gfc_trans_common): If the blank common is
	in a procedure or program without a name then proc_name is null, so
	use the locus of the common.
	(gfc_sym_mangled_common_id): Fix whitespace.
	* match.c (gfc_match_common): Emit warning about blank common in
	block data.

2006-10-31  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29067
	* decl.c (gfc_set_constant_character_len): NULL-terminate the
	character constant string.
	* data.c (create_character_intializer): Likewise.
	* expr.c (gfc_simplify_expr): NULL-terminate the substring
	character constant.
	* primary.c (match_hollerith_constant): NULL-terminate the
	character constant string.

2006-10-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29387
	* trans-intrinsic.c (gfc_conv_intrinsic_len): Rearrange to have
	a specific case for EXPR_VARIABLE and, in default, build an ss
	to call gfc_conv_expr_descriptor for array expressions..

	PR fortran/29490
	* trans-expr.c (gfc_set_interface_mapping_bounds): In the case
	that GFC_TYPE_ARRAY_LBOUND is not available, use descriptor
	values for it and GFC_TYPE_ARRAY_UBOUND.

	PR fortran/29641
	* trans-types.c (gfc_get_derived_type): If the derived type
	namespace has neither a parent nor a proc_name, set NULL for
	the search namespace.

2006-10-30  Tobias Burnus  <burnus@net-b.de>

	PR fortran/29452
	* io.c (check_io_constraints): Fix keyword string comparison.

2006-10-30  Andrew Pinski  <pinskia@gmail.com>

	PR fortran/29410
	* trans-intrinsic.c (gfc_conv_intrinsic_array_transfer):
	Change over to create VIEW_CONVERT_EXPR instead of using an
	ADDR_EXPR, a cast and then an indirect reference

2006-10-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* trans-intrinsic.c (gfc_conv_intrinsic_loc): Make LOC return a
	signed integer node.

2006-10-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/17741
	* decl.c (get_proc_name): Bump current namespace refs count.

2006-10-29  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/29629
	* trans-openmp.c (gfc_trans_omp_array_reduction): Set attr.flavor
	of init_val_sym and outer_sym to FL_VARIABLE.

2006-10-29  Kazu Hirata  <kazu@codesourcery.com>

	* intrinsic.texi: Fix a typo.

2006-10-27  Steven G. Kargl  <kargl@gcc.gnu.org>

	* gfortran.h: Remove GFC_MPFR_TOO_OLD.
	* arith.c (arctangent2): Remove function
	(gfc_check_real_range): Remove subnormal kludge.
	* arith.h: Remove arctangent2 prototype.
	* simplify.c: (gfc_simplify_atan2): Remove use of arctangent2.
	(gfc_simplify_exponent, gfc_simplify_log, gfc_simplify_nearest,
	gfc_simplify_rrspacing, gfc_simplify_spacing): Remove mpfr kludges.

2006-10-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/28224
	* io.c (check_io_constraints): Allow namelists
	  for internal files for Fortran 2003.

2006-10-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/27954
	* decl.c (gfc_free_data_all): New function to free all data structures
	after errors in DATA statements and declarations.
	(top_var_list): Use new function.(top_val_list): Use new function.
	(gfc_match_data_decl): Use new function.
	* misc.c (gfc_typename): Fixed incorrect function name in error text. 

2006-10-24  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/29393
	* expr.c (simplify_parameter_variable): Keep rank of original
	expression.

2006-10-23 Rafael Avila de Espindola  <rafael.espindola@gmail.com>

	* Make-lang.in (f951$(exeext)): Depend on and link with attribs.o.
	* trans.h (builtin_function): Rename to	gfc_builtin_function.
	Change the signature.
	* 95-lang.c (LANG_HOOKS_BUILTIN_FUNCTION): Define as
	gfc_builtin_function.
	(builtin_function): Rename to gfc_builtin_function. Move common
	code to builtin_function.
	(gfc_define_builtin): Replace calls to builtin_function with
	gfc_define_builtin.

2006-10-22  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/26025
	* lang.opt: Add -fexternal-blas and -fblas-matmul-limit options.
	* options.c (gfc_init_options): Initialize new flags.
	(gfc_handle_option): Handle new flags.
	* gfortran.h (gfc_option): Add flag_external_blas and
	blas_matmul_limit flags.
	* trans-expr.c (gfc_conv_function_call): Use new argument
	append_args, appending it at the end of the argument list
	built for a function call.
	* trans-stmt.c (gfc_trans_call): Use NULL_TREE for the new
	append_args argument to gfc_trans_call.
	* trans.h (gfc_conv_function_call): Update prototype.
	* trans-decl.c (gfc_build_intrinsic_function_decls): Add
	prototypes for BLAS ?gemm routines.
	* trans-intrinsic.c (gfc_conv_intrinsic_funcall): Generate the
	extra arguments given to the library matmul function, and give
	them to gfc_conv_function_call.
	* invoke.texi: Add documentation for -fexternal-blas and
	-fblas-matmul-limit.

2006-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* Make-lang.in (F95_LIBS): Delete.
	* f951$(exeext): Use $(LIBS) instead of $(F95_LIBS).
	* config-lang.in (need_gmp): Delete.

2006-10-19  Brooks Moses  <bmoses@stanford.edu>

	* invoke.texi: Fixed "denormal" typo.

2006-10-19  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29216
	PR fortran/29314
	* gfortran.h : Add EXEC_INIT_ASSIGN.
	* dump-parse-tree.c (gfc_show_code_node): The same.
	* trans-openmp.c (gfc_trans_omp_array_reduction): Set new
	argument for gfc_trans_assignment to false.
	* trans-stmt.c (gfc_trans_forall_1): The same.
	* trans-expr.c (gfc_conv_function_call, gfc_trans_assign,
	gfc_trans_arrayfunc_assign, gfc_trans_assignment): The
	same. In the latter function, use the new flag to stop
	the checking of the lhs for deallocation.
	(gfc_trans_init_assign): New function.
	* trans-stmt.h : Add prototype for gfc_trans_init_assign.
	* trans.c (gfc_trans_code): Implement EXEC_INIT_ASSIGN.
	* trans.h : Add new boolean argument to the prototype of
	gfc_trans_assignment.
	* resolve.c (resolve_allocate_exp): Replace EXEC_ASSIGN by
	EXEC_INIT_ASSIGN.
	(resolve_code): EXEC_INIT_ASSIGN does not need resolution.
	(apply_default_init): New function.
	(resolve_symbol): Call it for derived types that become
	defined but which do not already have an initialization
	expression..
	* st.c (gfc_free_statement): Include EXEC_INIT_ASSIGN.

2006-10-16  Tobias Burnus  <burnus@net-b.de>

	* primary.c: Revert 'significand'-to-'significant' comment change.
	* invoke.texi (Warning Options): Minor cleanup for
	  -Wimplicit-interface.

2006-10-17  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/20541
	* trans-array.c (gfc_trans_array_bounds): Test for and set
	negative stride of a non-constant bound array to zero.

	PR fortran/29392
	* data.c (create_character_intializer): Copy and simplify
	the expressions for the start and end of a sub-string
	reference.

2006-10-16  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* io.c (gfc_match_close): Ensure that status is terminated by
	a NULL element.

2006-10-16  Tobias Burnus  <burnus@net-b.de>

	* trans-stmt.c: Fix a typo
	* invoke.texi: Fix typos
	* resolve.c: Fix a comment typo
	* trans-decl.c: Fix a comment typo
	* primary.c: Fix a comment typo

2006-10-15  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/29403
	* io.c (match_io):  Check for a default-char-expr for PRINT format.

2006-10-15  Bernhard Fischer  <aldot@gcc.gnu.org>

	PR fortran/24767
	* lang.opt (Wunused-labels): Remove.
	* options.c: Remove references to gfc_option.warn_unused_labels.
	* gfortran.h: Remove variable warn_unused_labels.               
	* resolve.c (warn_unused_fortran_label) : Use warn_unused_label
	instead of gfc_option.warn_unused_labels.
	* invoke.texi: Remove documentation of -Wunused-labels.

2006-10-14  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi: Add link to GFortran apps
	* intrinsic.texi: Updated documentation of ACCESS and CHMOD

2006-10-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/19261
	* scanner.c (load_line): Add checks for illegal use of '&' and issue
	warnings.  Issue errors with -pedantic.

2006-10-14 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29371
	* trans-expr.c (gfc_trans_pointer_assignment): Add the expression
	for the assignment of null to the data field to se->pre, rather
	than block.	

2006-10-14  Kazu Hirata  <kazu@codesourcery.com>

	* intrinsic.texi: Fix typos.
	* trans-array.c: Fix a comment typo.

2006-10-13  Brooks Moses  <bmoses@stanford.edu>

	* intrinsic.texi (STAT): Reverted a format in example code to
	octal; noted this in accompanying string.

2006-10-13 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29373
	* decl.c (get_proc_name, gfc_match_function_decl): Add
	attr.implicit_type to conditions that throw error for
	existing explicit interface and that allow new type-
	spec to be applied.

	PR fortran/29407
	* resolve.c (resolve_fl_namelist): Do not check for
	namelist/procedure conflict, if the symbol corresponds
	to a good local variable declaration.

	PR fortran/27701
	* decl.c (get_proc_name): Replace the detection of a declared
	procedure by the presence of a formal argument list by the
	attributes of the symbol and the presence of an explicit
	interface.

	PR fortran/29232
	* resolve.c (resolve_fl_variable): See if the host association
	of a derived type is blocked by the presence of another type I
	object in the current namespace.

	PR fortran/29364
	* resolve.c (resolve_fl_derived): Check for the presence of
	the derived type for a derived type component.

	PR fortran/24398
	* module.c (gfc_use_module): Check that the first words in a
	module file are 'GFORTRAN module'.

	PR fortran/29422
	* resolve.c (resolve_transfer): Test functions for suitability
	for IO, as well as variables.

	PR fortran/29428
	* trans-expr.c (gfc_trans_scalar_assign): Remove nullify of
	rhs expression.

2006-10-13  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29391
	* trans-intrinsic.c (gfc_conv_intrinsic_bound): Generate correct
	code for LBOUND and UBOUND intrinsics.

2006-10-13  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/21435
	* io.c (compare_to_allowed_values): New function.
	(gfc_match_open): Add checks for constant values of specifiers.
	(gfc_match_close): Add checks for constant values of the STATUS
	specifier.

2006-10-12  Brooks Moses  <bmoses@stanford.edu>

	* intrinsic.texi (STAT): Fixed a format typo in sample code.

2006-10-12  Brooks Moses  <bmoses@stanford.edu>

	* intrinsic.texi (STAT): Shortened lines in sample code.

2006-10-11  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

	* gfortran.h (gfc_show_actual_arglist, gfc_show_array_ref,
	gfc_show_array_spec, gfc_show_attr, gfc_show_code,
	gfc_show_components, gfc_show_constructor, gfc_show_equiv,
	gfc_show_expr, gfc_show_namelist, gfc_show_ref, gfc_show_symbol,
	gfc_show_typespec): Add prototypes.
	* dump-parse-tree.c (gfc_show_actual_arglist, gfc_show_array_ref,
	gfc_show_array_spec, gfc_show_attr, gfc_show_code,
	gfc_show_components, gfc_show_constructor, gfc_show_equiv,
	gfc_show_expr, gfc_show_namelist, gfc_show_ref, gfc_show_symbol,
	gfc_show_typespec): Remove 'static' from declaration.

2006-10-10  Brooks Moses  <bmoses@stanford.edu>

	* invoke.texi, gfortran.texi: Corrected erronous dashes.

2006-10-10  Brooks Moses  <bmoses@stanford.edu>

	* Make-lang.in: Added "fortran.pdf", "gfortran.pdf" target
	support.

2006-10-10  Daniel Franke  <franke.daniel@gmail.com>

	* intrinsic.texi: added documentation for FSTAT, GETARG,GET_COMMAND,
	GET_COMMAND_ARGUMENT, GETENV, GET_ENVIRONMENT_VARIABLE, IAND, IARGC,
	LSTAT and STAT, removed the reference to PR19292 from ACCESS, CHMOD,
	GMTIME, LSHIFT, LTIME, RSHIFT.

2006-10-10  Brooks Moses  <bmoses@stanford.edu>

	* gfortran.texi (Standards): Update to current status.

2006-10-09  Brooks Moses  <bmoses@stanford.edu>

	* Make-lang.in: Added intrinsic.texi to GFORTRAN_TEXI
	dependences.

2006-10-09  Brooks Moses  <bmoses@stanford.edu>

	* intrinsic.texi (MOVE_ALLOC): changed "Options" to "Standards".

2006-10-09  Steven G. Kargl  <kargl@gcc.gnu.org>

	* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
	* arith.c (arctangent, gfc_check_real_range): Use it.	
	* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
	gfc_simplify_log, gfc_simplify_nearest): Use it.

	PR fortran/15441
	PR fortran/29312
	* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
	routine hidden precision argument.
	(gfc_resolve_spacing): Give spacing library routine hidden
	precision, emin - 1, and tiny(x) arguments.
	* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
	(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
	(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
	* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
	spacing via LIBF_FUNCTION
	(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
	gfc_conv_intrinsic_rrspacing): Remove functions.
	(gfc_conv_intrinsic_function): Remove calls to
	gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
	* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
	__builtin_clzl and __builtin_clzll

2006-10-09  Richard Henderson  <rth@redhat.com>

	Revert emutls patch.

2006-10-09  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* intrinsic.c (add_sym_0s, add_sym_1s, add_sym_2s, add_sym_3s,
	add_sym_4s, add_sym_5s, add_functions): Use macro ACTUAL_NO,
	ACTUAL_YES, NOT_ELEMENTAL and ELEMENTAL instead of constants
	0 and 1 as second and third arguments to add_sym* functions.

2006-10-08  Erik Edelmann <edelmann@gcc.gnu.org>
	    Paul Thomas <pault@gcc.gnu.org>

	PR fortran/20541
	* interface.c (gfc_compare_derived_types): Add comparison of
	the allocatable field.
	* intrinsic.c (add_subroutines): Add MOVE_ALLOC.
	* trans-expr.c (gfc_conv_aliased_arg, gfc_trans_subarray_assign,
	gfc_trans_subcomponent_assign, gfc_conv_string_parameter,
	gfc_trans_scalar_assign): Add extra arguments l_is_temp
	and r_is_var to references to latter function.
	(gfc_conv_function_call): Add enum for types of argument and
	an associated variable parm_kind. Deallocate components of
	INTENT(OUT) and non-variable arrays.
	(gfc_trans_subcomponent_assign): Add block to assign arrays
	to allocatable components.
	(gfc_trans_scalar_assign): Add block to handle assignments of
	derived types with allocatable components, using the above new
	arguments to control allocation/deallocation of memory and the
	copying of allocated arrays.
	* trans-array.c (gfc_array_allocate): Remove old identification 
	of pointer and replace with that of an allocatable array. Add
	nullify of structures with allocatable components. 
	(gfc_conv_array_initializer): Treat EXPR_NULL.
	(gfc_conv_array_parameter): Deallocate allocatable components
	of non-variable structures.
	(gfc_trans_dealloc_allocated): Use second argument of library
	deallocate to inhibit, without error, freeing NULL pointers.
	(get_full_array_size): New function to return the size of a
	full array.
	(gfc_duplicate_allocatable): New function to allocate and copy
	allocated data.
	(structure_alloc_comps): New recursive function to deallocate,
	nullify or copy allocatable components.
	(gfc_nullify_alloc_comp, gfc_deallocate_alloc_comp,
	gfc_copy_alloc_comp): New interface functions to call previous.
	(gfc_trans_deferred_array): Add the code to nullify allocatable
	components, when entering scope, and to deallocate them on
	leaving. Do not call gfc_trans_static_array_pointer and return
	for structures with allocatable components and default
	initializers.
	* symbol.c (gfc_set_component_attr): Set allocatable field.
	(gfc_get_component_attr): Set the allocatable attribute.
	* intrinsic.h : Prototype for gfc_check_move_alloc.
	* decl.c (build_struct): Apply TR15581 constraints for
	allocatable components.
	(variable_decl): Default initializer is always NULL for
	allocatable components.
	(match_attr_spec): Allow, or not, allocatable components,
	according to the standard in force.
	* trans-array.h : Prototypes for gfc_nullify_alloc_comp,
	gfc_deallocate_alloc_comp, gfc_copy_alloc_comp and
	gfc_duplicate_allocatable.
	* gfortran.texi : Add mention of TR15581 extensions.
	* gfortran.h : Add attribute alloc_comp, add
	gfc_components field allocatable and add the prototype
	for gfc_expr_to_initialize.
	* trans-stmt.c (generate_loop_for_temp_to_lhs,
	generate_loop_for_rhs_to_temp, gfc_trans_where_assign,
	gfc_trans_where_3): Add extra arguments to calls to
	gfc_trans_scalar_assign and set appropriately.
	(gfc_trans_allocate): Nullify allocatable components.
	(gfc_trans_deallocate): Deallocate to ultimate allocatable
	components but stop at ultimate pointer components.
	* module.c (mio_symbol_attribute, mio_symbol_attribute,
	mio_component): Add module support for allocatable
	components.
	* trans-types.c (gfc_get_derived_type): Treat allocatable
	components.
	* trans.h : Add two boolean arguments to
	gfc_trans_scalar_assign.
	* resolve.c (resolve_structure_cons): Check conformance of
	constructor element and the component.
	(resolve_allocate_expr): Add expression to nullify the
	constructor expression for allocatable components.
	(resolve_transfer): Inhibit I/O of derived types with
	allocatable components.
	(resolve_fl_derived): Skip check of bounds of allocatable
	components.
	* trans-decl.c (gfc_get_symbol_decl): Add derived types
	with allocatable components to deferred variable.
	(gfc_trans_deferred_vars): Make calls for derived types
	with allocatable components to gfc_trans_deferred_array.
	(gfc_generate_function_code): Nullify allocatable
	component function result on entry.
	* parse.c (parse_derived): Set symbol attr.allocatable if
	allocatable components are present.
	* check.c (gfc_check_allocated): Enforce attr.allocatable
	for intrinsic arguments.
	(gfc_check_move_alloc): Check arguments of move_alloc.
	* primary.c (gfc_variable_attr): Set allocatable attribute.
	* intrinsic.texi : Add index entry and section for
	for move_alloc.

2006-10-08  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29115
	* resolve.c (resolve_structure_cons): It is an error if the
	pointer component elements of a derived type constructor are
	not pointer or target.


	PR fortran/29211
	* trans-stmt.c (generate_loop_for_temp_to_lhs,
	generate_loop_for_rhs_to_temp): Provide a string length for
	the temporary by copying that of the other side of the scalar
	assignment.

2006-10-08  Tobias Burnus  <burnus@net-b.de>

	PR fortran/28585
	* intrinsic.c (add_functions): Add new_line Fortran 2003 intrinsic.
	* intrinsic.h: Add gfc_simplify_new_line and gfc_check_new_line
	prototypes.
	* check.c (gfc_check_new_line): New function.
	* simplify.c (gfc_simplify_new_line): New function.
	* intrinsic.texi: Document new_line intrinsic.

2006-10-07  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/16580
	PR fortran/29288
	* gcc/fortran/intrinsic.c (add_sym): Define the actual_ok when a
	gfc_intrinsic_sym structure is filled.
	(gfc_intrinsic_actual_ok): New function.
	(add_sym_0s, add_sym_1s, add_sym_2s, add_sym_3s, add_sym_4s,
	add_sym_5s): Intrinsic subroutines are not allowed as actual
	arguments, so we remove argument actual_ok.
	(add_functions): Correct the values for actual_ok of all intrinsics.
	Add comments for gfc_check_access_func and gfc_resolve_index_func.
	(add_subroutines): Remove the actual_ok argument, which was never used.
	* gcc/fortran/intrinsic.h (gfc_intrinsic_actual_ok): New prototype.
	* gcc/fortran/gfortran.h (gfc_resolve_index_func): New prototype.
	* gcc/fortran/resolve.c (resolve_actual_arglist): Check whether
	an intrinsic used as an argument list is allowed there.
	* gcc/fortran/iresolve.c (gfc_resolve_index_func): New function.
	(gfc_resolve_len): Change intrinsic function name to agree with
	libgfortran.
	* gcc/fortran/trans-decl.c (gfc_get_extern_function_decl): Add
	new case, because some specific intrinsics take 3 arguments.
	* gcc/fortran/intrinsic.texi: DIMAG is a GNU extension.

2006-10-06  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/28415
	* trans-decl.c (gfc_finish_var_decl): With -fno-automatic, don't
	make artificial variables or pointer to variable automatic array
	TREE_STATIC.

	* scanner.c (skip_free_comments): Return bool instead of void.
	(gfc_next_char_literal): Don't return ' ' if & is missing after
	!$omp or !$.  Use skip_{free,fixed}_comments directly instead
	of gfc_skip_comments.

2006-10-04  Brooks Moses  <bmoses@stanford.edu>

	* gfortran.texi: (Current Status): update and rewrite to reflect
	actual status more accurately.

2006-10-04  Brooks Moses  <bmoses@stanford.edu>

	* gfortran.texi: Consistently refer to the compiler as "GNU
	Fortran".
	* intrinsic.texi: Ditto.
	* invoke.texi: Ditto.

2006-10-04  Richard Henderson  <rth@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address
	and __emutls_register_common.
	* openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls.
	* trans-common.c (build_common_decl): Don't check have_tls.
	* trans-decl.c (gfc_finish_var_decl): Likewise.
	* types.def (BT_WORD, BT_FN_PTR_PTR): New.
	(BT_FN_VOID_PTR_WORD_WORD_PTR): New.

2006-10-04  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29343
	* resolve.c (resolve_allocate_expr): Exclude derived types from
	search for dependences between allocated variables and the
	specification expressions for other allocations in the same
	statement.

2006-10-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29098
	* resolve.c (resolve_structure_cons): Do not return FAILURE if
	component expression is NULL.

2006-10-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20779
	PR fortran/20891
	* resolve.c (find_sym_in_expr): New function that returns true
	if a symbol is found in an expression.
	(resolve_allocate_expr): Check whether the STAT variable is
	itself allocated in the same statement.  Use the call above to
	check whether any of the allocated arrays are used in array
	specifications in the same statement.

2006-10-03  Steven G. Kargl  <kargl@gcc.gnu.org>

	* arith.c (gfc_check_real_range):  Use correct exponent range for
	subnormal numbers.

2006-10-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29284
	PR fortran/29321
	PR fortran/29322
	* trans-expr.c (gfc_conv_function_call): Check the expression
	and the formal symbol are present when testing the actual
	argument.

	PR fortran/25091
	PR fortran/25092
	* resolve.c (resolve_entries): It is an error if the entries
	of an array-valued function do not have the same shape.

2006-10-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR middle-end/27478
	* trans-decl.c (gfc_get_fake_result_decl): Mark var as
	TREE_ADDRESSABLE.

2006-10-02  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/19262
	* gfortran.h (gfc_option_t): Add max_continue_fixed and
	max_continue_free.
	* options.c (gfc_init_options): Initialize fixed form and free form
	consecutive continuation line limits.
	* scanner.c (gfc_scanner_init_1): Initialize continue_line
	and continue_count. (gfc_next_char_literal): Count the number of
	continuation lines in the current statement and warn if limit
	is exceeded.

2006-10-02  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/19260
	* scanner.c (gfc_next_char_literal): Add check for missing '&'
	and warn if in_string, otherwise return ' '.

2006-10-02  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29210
	* primary.c (match_sym_complex_part): Named constants as real or
	imaginary part of complex a named constant are only allowed in
	Fortran 2003.

2006-10-01  Brooks Moses  <bmoses@stanford.edu>

	* gfortran.texi: Corrected references to MALLOC intrinsic.
	* invoke.texi: Minor cleanup and clarification to the Dialect
	Options section.

2006-09-30  Brooks Moses  <bmoses@stanford.edu>

	* invoke.texi:  Add mention of BOZ constants and integer
	overflow to -fno-range-check.
	* gfortran.texi:  Add mention of -fno-range-check to
	section on BOZ contants.

2006-09-30  Bernhard Fischer  <aldot@gcc.gnu.org>

	* resolve.c: Fix commentary typo.  Fix whitespace.

2006-09-28  Steven G. Kargl  <kargl@gcc.gnu.org>

	fortran/29147
	* arith.c (gfc_check_integer_range): Disable range checking via
	-fno-range-check.

2006-09-28  Steven G. Kargl <kargl@gcc.gnu.org>

	* arith.c: Change conditional test for inclusion of arctangent().
	(gfc_check_real_range): Change conditional test for use of
	mpfr_subnormalize.
	* simplify.c (gfc_simplify_atan2): Fix conditional for use of
	mpfr_atan2() instead of arctangent().
	(gfc_simplify_exponent): Fix conditional for use of mpfr_get_exp().
 	(gfc_simplify_log): Fix conditional for use of mpfr_atan2() instead
	 of arctangent().
	(gfc_simplify_nearest): Fix conditional for use of mpfr_nextafter(). 

2006-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>

	* arith.c: Conditionally include arctangent2().
	(gfc_check_real_range): Use mpfr_subnormalize in preference to local
	hack.
	* trans-intrinsic.c (gfc_get_intrinsic_lib_fndecl): Append
	l for long double functions.
	* simplify.c: Wrap Copyright to new line.
	(gfc_simplify_atan2): Use mpfr_atan2 in preference to arctangent2().
	(gfc_simplify_log): Ditto.


	PR fortran/28276
	* simplify.c (gfc_simplify_exponent): Use mpfr_get_exp in
	preference to broken local hack.

	PR fortran/27021
	* simplify.c (gfc_simplify_nearest): Use mpfr_nexttoward and
	mpfr_subnormalize to handle numbers near zero in preference to broken
	 local hack.

2006-09-26  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/29097
	* scanner.c (include_line): Handle conditional include.

2006-09-25  Tobias Schluter  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/21203
	* error.c (show_loci): No need to risk an ICE to output a
	slightly nicer error message.

2006-09-19 Paul Thomas <pault@gcc.gnu.org>
	   Steven Bosscher  <steven@gcc.gnu.org>

	PR fortran/29101
	* trans-stmt.c (gfc_trans_character_select): Store the label
	from select_string and then clean up any temporaries from the
	conversion of the select expression, before branching to the
	selected case.

2006-09-18 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/28526
	* primary.c (match_variable): If the compiler is in a module
	specification block, an interface block or a contains section,
	reset host_flag to force the changed symbols mechanism.

	PR fortran/29101
	* trans-stmt.c (gfc_trans_character_select): Add the post block
	for the expression to the main block, after the call to
	select_string and the last label.

2006-09-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29060
	* iresolve.c (resolve_spread): Build shape for result if the
	source shape is available and dim and ncopies are constants.