Merge from mainline

[official-gcc.git] / gcc / fortran / ChangeLog-2005

2005-12-30  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/22607
        * trans-decl.c(gfc_get_extern_function_decl): Don't set
        DECL_IS_PURE (fndecl) = 1 for return-by-reference
        functions.

        fortran/PR 25396
        * interface.c (gfc_extend_expr): Initialize
        e->value.function.name to NULL.

2005-12-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/25532
        * trans-types.c (copy_dt_decls_ifequal): Copy declarations for
        components of derived type components by recursing into
        gfc_get_derived_type.

2005-12-28  Andrew Pinski  <pinskia@physics.uc.edu>

        PR fortran/25587
        * trans-io.c (gfc_build_st_parameter): Correct off by one error.

2005-12-28  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>

        * Make-lang.in: Remove distdir from comment.

2005-12-24  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/25029
        PR fortran/21256
        * resolve.c (check_assumed_size_reference, resolve_assumed_size_actual):
        Remove because of regressions caused by patch.
        (resolve_function, resolve_call, resolve_variable): Remove assumed size
        checks because of regressionscaused by patch.

2005-12-23  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/25029
        PR fortran/21256
        *resolve.c(resolve_function): Remove assumed size checking for SIZE
        and UBOUND and rely on their built-in checking.

2005-12-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/18990
        * gfortran.h (gfc_charlen): Add resolved field.
        * expr.c (gfc_specification_expr): Accept NULL argument.
        * resolve.c (gfc_resolve_charlen, gfc_resolve_derived): New.
        (gfc_resolve_symbol): Resolve derived type definitions.  Use
        resolve_charlen to resolve character lengths.

2005-12-22  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/20889
        *resolve.c(resolve_structure_cons): Do not attempt to convert
        the type of mismatched pointer type components, except when
        the constructor component is BT_UNKNOWN; emit error instead.

        PR fortran/25029
        PR fortran/21256
        *resolve.c(check_assumed_size_reference): New function to check for upper
        bound in assumed size array references.
        (resolve_assumed_size_actual): New function to do a very restricted scan
        of actual argument expressions of those procedures for which incomplete
        assumed size array references are not allowed.
        (resolve_function, resolve_call): Switch off assumed size checking of
        actual arguments, except for elemental procedures and array valued
        intrinsics; excepting LBOUND.
        (resolve_variable): Call check_assumed_size_reference.

        PR fortran/19362
        PR fortran/20244
        PR fortran/20864
        PR fortran/25391
        *interface.c(gfc_compare_types): Broken into two.
        (gfc_compare_derived_types): Second half of gfc_compare_types with
        corrections for a missing check that module name is non-NULL and
        a check for private components.
        *symbol.c(gfc_free_dt_list): New function.
        (gfc_free_namespace): Call gfc_free_dt_list.
        *resolve.c(resolve_symbol): Build the list of derived types in the
        symbols namespace.
        *gfortran.h: Define the structure type gfc_dt_list.  Add a new field,
        derived_types to gfc_namespace.  Provide a prototye for the new
        function gfc_compare_derived_types.
        *trans_types.c(gfc_get_derived_type): Test for the derived type being
        available in the host namespace. In this case, the host backend
        declaration is used for the structure and its components.  If an
        unbuilt, equal structure that is not use associated is found in the
        host namespace, build it there and then.  On exit,traverse the
        namespace of the derived type to see if there are equal but unbuilt.
        If so, copy the structure and its component declarations.
        (copy_dt_decls_ifequal): New functions to copy declarations to other
        equal structure types.

        PR fortran/20862
        * io.c (gfc_match_format): Make the appearance of a format statement
        in a module specification block an error.

        PR fortran/23152
        * match.c (gfc_match_namelist): Set assumed shape arrays in
        namelists as std=GFC_STD_GNU and assumed size arrays as an
        unconditional error.

        PR fortran/25069
        * match.c (gfc_match_namelist): Set the respecification of a USE
        associated namelist group as std=GFC_STD_GNU.  Permit the concatenation
        on no error.

        PR fortran/25053
        PR fortran/25063
        PR fortran/25064
        PR fortran/25066
        PR fortran/25067
        PR fortran/25068
        PR fortran/25307
        * io.c (resolve_tag): Change std on IOSTAT != default integer to
        GFC_STD_GNU and change message accordingly.  Add same error for
        SIZE.
        (match_dt_element, gfortran.h): Add field err_where to gfc_dt and
        set it when tags are being matched.
        (gfc_resolve_dt): Remove tests that can be done before resolution
        and add some of the new ones here.
        (check_io_constraints): New function that checks for most of the
        data transfer constraints. Some of these were previously done in
        match_io, from where this function is called, and some were done
        in gfc_resolve_dt.
        (match_io): Remove most of the tests of constraints and add the
        call to check_io_constraints.

2005-12-21  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/25423
        * parse.c (parse_where_block): break instead of "fall
        through" after parsing nested WHERE construct.

2005-12-18  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/25018
        *expr.c(check_inquiry): Return FAILURE if there is no symtree to
        provide a name. Error/warning for assumed character length argument
        to LEN for an initialization expression, using GFC_GNU_STD. Add an
        argument to flag that the expression is not restricted.
        (check_init_expr): Improve the message for a failing variable.
        (gfc_match_init_expr): Call check_enquiry again to make sure that
        unsimplified expressions are not causing unnecessary errors.

2005-12-17  Steven G. Kargl  <kargls@comcast.net>
            Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/25458
        * simplify.c (gfc_simplify_ibset, gfc_simplify_not): Add call to
        twos_complement.

2005-12-17  Steven G. Kargl  <kargls@comcast.net>

        * decl.c (gfc_match_old_kind_spec,match_type_spec): Use gfc_std_notify
        to report nonstandard intrinsic type declarations.

2005-12-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/24268
        * io.c (format_lex): Allow whitespace within text of format specifier.

2005-12-16  Steven G. Kargl <kargls@comcast.net>
 
        PR fortran/25106
        PR fortran/25055
        * match.c (gfc_match_small_literal_int): Add cnt argument;
        (gfc_match_st_label,gfc_match_stopcode): Account for cnt argument.
        * match.h (gfc_match_small_literal_int): Update prototype.
        * decl.c (match_char_length,gfc_match_old_kind_spec): Account for cnt.
        * parse.c (next_free): Ditto.
        * primary.c (match_kind_param): Ditto.

2005-12-16  Richard Guenther  <rguenther@suse.de>

        * trans.h (tree): Remove declaration of gfc_build_function_call.
        * trans.c (gfc_build_function_call): Remove.
        (gfc_build_array_ref): Use build_function_call_expr.
        (gfc_trans_runtime_check): Likewise.
        * trans-array.c (gfc_trans_allocate_array_storage): Likewise.
        (gfc_grow_array): Likewise.
        (gfc_trans_array_ctor_element): Likewise.
        (gfc_trans_array_constructor_value): Likewise.
        (gfc_array_allocate): Likewise.
        (gfc_array_deallocate): Likewise.
        (gfc_trans_auto_array_allocation): Likewise.
        (gfc_trans_dummy_array_bias): Likewise.
        (gfc_conv_array_parameter): Likewise.
        * trans-expr.c (gfc_conv_power_op): Likewise.
        (gfc_conv_string_tmp): Likewise.
        (gfc_conv_concat_op): Likewise.
        (gfc_conv_expr_op): Likewise.
        (gfc_trans_string_copy): Likewise.
        * trans-decl.c (build_entry_thunks): Likewise.
        (gfc_generate_function_code): Likewise.
        (gfc_generate_constructors): Likewise.
        * trans-io.c (gfc_trans_open): Likewise.
        (gfc_trans_close): Likewise.
        (build_filepos): Likewise.
        (gfc_trans_inquire): Likewise.
        (transfer_namelist_element): Likewise.
        (build_dt): Likewise.
        (gfc_trans_dt_end): Likewise.
        (transfer_expr): Likewise.
        (transfer_array_desc): Likewise.
        * trans-stmt.c (gfc_trans_pause): Likewise.
        (gfc_trans_stop): Likewise.
        (gfc_trans_character_select): Likewise.
        (gfc_do_allocate): Likewise.
        (gfc_trans_assign_need_temp): Likewise.
        (gfc_trans_pointer_assign_need_temp): Likewise.
        (gfc_trans_forall_1): Likewise.
        (gfc_trans_where): Likewise.
        (gfc_trans_allocate): Likewise.
        (gfc_trans_deallocate): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_aint): Likewise.
        (gfc_conv_intrinsic_lib_function): Likewise.
        (gfc_conv_intrinsic_exponent): Likewise.
        (gfc_conv_intrinsic_abs): Likewise.
        (gfc_conv_intrinsic_sign): Likewise.
        (gfc_conv_intrinsic_ctime): Likewise.
        (gfc_conv_intrinsic_fdate): Likewise.
        (gfc_conv_intrinsic_ttynam): Likewise.
        (gfc_conv_intrinsic_ishftc): Likewise.
        (gfc_conv_intrinsic_len_trim): Likewise.
        (gfc_conv_intrinsic_index): Likewise.
        (gfc_conv_intrinsic_size): Likewise.
        (gfc_conv_intrinsic_strcmp): Likewise.
        (gfc_conv_intrinsic_adjust): Likewise.
        (gfc_conv_associated): Likewise.
        (gfc_conv_intrinsic_scan): Likewise.
        (gfc_conv_intrinsic_verify): Likewise.
        (call_builtin_clz): Likewise.
        (gfc_conv_intrinsic_si_kind): Likewise.
        (gfc_conv_intrinsic_sr_kind): Likewise.
        (gfc_conv_intrinsic_trim): Likewise.
        (gfc_conv_intrinsic_repeat): Likewise.
        (gfc_conv_intrinsic_iargc): Likewise.

2005-12-16  Richard Guenther  <rguenther@suse.de>

        * trans.h (gfc_build_indirect_ref): Remove declaration.
        * trans.c (gfc_build_indirect_ref): Remove.
        * trans-array.c (gfc_trans_array_ctor_element): Use
        build_fold_indirect_ref instead of gfc_build_indirect_ref.
        (gfc_trans_array_constructor_value): Likewise.
        (gfc_conv_array_index_offset): Likewise.
        (gfc_conv_scalarized_array_ref): Likewise.
        (gfc_conv_array_ref): Likewise.
        (gfc_trans_dummy_array_bias): Likewise.
        (gfc_conv_expr_descriptor): Likewise.
        (gfc_conv_array_parameter): Likewise.
        * trans-decl.c (gfc_finish_cray_pointee): Likewise.
        (gfc_get_symbol_decl): Likewise.
        * trans-expr.c (gfc_conv_substring): Likewise.
        (gfc_conv_component_ref): Likewise.
        (gfc_conv_variable): Likewise.
        (gfc_add_interface_mapping): Likewise.
        (gfc_conv_function_call): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_ichar): Likewise.
        (gfc_conv_intrinsic_transfer): Likewise.
        * trans-io.c (nml_get_addr_expr): Likewise.
        (transfer_namelist_element): Likewise.
        (transfer_expr): Likewise.
        * trans-stmt.c (gfc_trans_nested_forall_loop): Likewise.
        (allocate_temp_for_forall_nest_1): Likewise.
        (gfc_trans_forall_1): Likewise.

2005-12-16  Richard Guenther  <rguenther@suse.de>

        * trans-array.c (gfc_conv_descriptor_data_addr): Use
        build_fold_addr_expr where appropriate.
        (gfc_trans_allocate_array_storage): Likewise.
        (gfc_trans_array_constructor_value): Likewise.
        (gfc_conv_array_data): Likewise.
        (gfc_conv_expr_descriptor): Likewise.
        (gfc_conv_array_parameter): Likewise.
        * trans-expr.c (gfc_conv_variable): Likewise.
        (gfc_conv_function_val): Likewise.
        (gfc_conv_function_call): Likewise.
        (gfc_conv_expr_reference): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Likewise.
        (gfc_conv_intrinsic_fdate): Likewise.
        (gfc_conv_intrinsic_ttynam): Likewise.
        (gfc_conv_intrinsic_si_kind): Likewise.
        (gfc_conv_intrinsic_trim): Likewise.
        * trans-io.c (set_parameter_ref): Likewise.
        (gfc_convert_array_to_string): Likewise.
        (gfc_trans_open): Likewise.
        (gfc_trans_close): Likewise.
        (build_filepos): Likewise.
        (gfc_trans_inquire): Likewise.
        (nml_get_addr_expr): Likewise.
        (transfer_namelist_element): Likewise.
        (build_dt): Likewise.
        (gfc_trans_dt_end): Likewise.
        (transfer_array_component): Likewise.
        (transfer_expr): Likewise.
        (transfer_array_desc): Likewise.
        (gfc_trans_transfer): Likewise.
        * trans-stmt.c (gfc_trans_allocate): Likewise.
        (gfc_trans_deallocate): Likewise.

2005-12-16  Kazu Hirata  <kazu@codesourcery.com>

        * dependency.c, resolve.c, trans-array.c: Fix comment typos.
        * gfortran.texi: Fix typos.

2005-12-14  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/18197
        * resolve.c (resolve_formal_arglist): Remove code to set
        the type of a function symbol from it's result symbol.

2005-12-13  Richard Guenther  <rguenther@suse.de>

        * trans-expr.c (gfc_conv_substring): Use fold_build2 and
        build_int_cst.

2005-12-13  Richard Sandiford  <richard@codesourcery.com>

        * Make-lang.in (fortran/trans-resolve.o): Depend on
        fortran/dependency.h.
        * gfortran.h (gfc_expr): Add an "inline_noncopying_intrinsic" flag.
        * dependency.h (gfc_get_noncopying_intrinsic_argument): Declare.
        (gfc_check_fncall_dependency): Change prototype.
        * dependency.c (gfc_get_noncopying_intrinsic_argument): New function.
        (gfc_check_argument_var_dependency): New function, split from
        gfc_check_fncall_dependency.
        (gfc_check_argument_dependency): New function.
        (gfc_check_fncall_dependency): Replace the expression parameter with
        separate symbol and argument list parameters.  Generalize the function
        to handle dependencies for any type of expression, not just variables.
        Accept a further argument giving the intent of the expression being
        tested.  Ignore intent(in) arguments if that expression is also
        intent(in).
        * resolve.c: Include dependency.h.
        (find_noncopying_intrinsics): New function.
        (resolve_function, resolve_call): Call it on success.
        * trans-array.h (gfc_conv_array_transpose): Declare.
        (gfc_check_fncall_dependency): Remove prototype.
        * trans-array.c (gfc_conv_array_transpose): New function.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Don't use the
        libcall handling if the expression is to be evaluated inline.
        Add a case for handling inline transpose()s.
        * trans-expr.c (gfc_trans_arrayfunc_assign): Adjust for the new
        interface provided by gfc_check_fncall_dependency.

2005-12-12  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/25078
        * match.c (gfc_match_equivalence):  Count number of objects.

2005-12-11  Aldy Hernandez  <aldyh@redhat.com>

        * lang.opt: Add RejectNegative to ffixed-form and ffree-form.

2005-12-10  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/25068
        * io.c (resolve_tag): Add correct diagnostic for F2003 feature.

2005-12-10  Thomas Koenig  <Thomas.Koenig@online.de>

        PR fortran/23815
        * io.c (top level):  Add convert to io_tag.
        (resolve_tag):  convert is GFC_STD_GNU.
        (match_open_element):  Add convert.
        (gfc_free_open):  Likewise.
        (gfc_resolve_open):  Likewise.
        (gfc_free_inquire):  Likewise.
        (match_inquire_element):  Likewise.
        * dump-parse-tree.c (gfc_show_code_node):  Add
        convet for open and inquire.
        gfortran.h: Add convert to gfc_open and gfc_inquire.
        * trans-io.c (gfc_trans_open):  Add convert.
        (gfc_trans_inquire):  Likewise.
        * ioparm.def:  Add convert to open and inquire.
        * gfortran.texi:  Document CONVERT.

2005-12-09  Roger Sayle  <roger@eyesopen.com>

        PR fortran/22527
        * f95-lang.c (gfc_truthvalue_conversion): Use a zero of the correct
        integer type when building an inequality.

2005-12-09  Richard Guenther  <rguenther@suse.de>

        * f95-lang.c (build_builtin_fntypes): Use correct
        return types, as indicated by comments.

2005-12-08  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/25292
        * check.c (gfc_check_associated): Allow function results
        as actual arguments to ASSOCIATED.  Moved a misplaced
        comment.

2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>

        * Make-lang.in (fortran.all.build, fortran.install-normal): Remove.

2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>

        * Make-lang.in: Remove all dependencies on s-gtype, except for
        gt-fortran-trans.h.

2005-12-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/25106
        * parse.c (next_free): Use new prototype for gfc_match_st_label.
        Correctly emit hard error if a label is zero.
        * match.c (gfc_match_st_label): Never allow zero as a valid
        label.
        (gfc_match, gfc_match_do, gfc_match_goto): Use new prototype for
        gfc_match_st_label.
        * primary.c (): Use new prototype for gfc_match_st_label.
        * io.c (): Likewise.
        * match.h: Likewise.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * trans.h (build1_v): Use build1, not build to build the
        void typed tree.

2005-12-01  Erik Schnetter  <schnetter@aei.mpg.de>

        * decl.c (gfc_match_old_kind_spec):  Improve handling of old style
        COMPLEX*N

2005-12-01  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24789
        * trans-decl.c (gfc_get_symbol_decl):  Move the expression for
        unit size of automatic character length, dummy pointer array
        elements down a few lines from the version that fixed PR15809.

2005-11-30  Bernhard Fischer <rep.nop@aon.at>

        PR fortran/21302
        * lang.opt: New options -ffree-line-length- and -ffree-line-length-none.
        * gfortran.h: Add free_line_length and add description of
        free_line_length and fixed_line_length.
        * options.c (gfc_init_options, gfc_handle_option): Initialize
        and set free_line_length and fixed_line_length.
        * scanner.c (load_line): Set free_line_length to 132 and
        fixed_line_length to 72 or user requested values.
        * scanner.c: Typo in comment.
        * invoke.texi: Document -ffree-line-length- and
        -ffree-line-length-none

2005-11-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/15809
        * trans-decl.c (gfc_get_symbol_decl):  In the case of automatic
        character length, dummy pointer arrays, build an expression for
        unit size of the array elements, to be picked up and used in the
        descriptor dtype.
        * trans-io.c (gfc_trans_transfer):  Modify the detection of
        components of derived type arrays to use the gfc_expr references
        instead of the array descriptor dtype.  This allows the latter
        to contain expressions.

2005-11-30  Erik Edelmann  <erik.edelmann@iki.fi>

        PR fortran/15809
        * trans-array.c (gfc_trans_deferred_array):  Allow PARM_DECLs past
        in addition to VAR_DECLs.

2005-11-29  Jakub Jelinek  <jakub@redhat.com>

        * io.c (gfc_resolve_open): RESOLVE_TAG access field as well.

2005-11-27 Bernhard Fischer <rep.nop@aon.at>

        * gfortran.h: remove superfluous whitespace and use GNU
        comment-style for the documentation of backend_decl.

2005-11-27  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/24917
        * primary.c (match_boz_constant):  Implement postfix BOZ constants;
        (match_string_constant): Peek for b, o, z, and x

2005-11-27  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/23912
        * iresolve.c (gfc_resolve_dim, gfc_resolve_mod,
        gfc_resolve_modulo): When arguments have different kinds, fold
        the lower one to the largest kind.
        * check.c (gfc_check_a_p): Arguments of different kinds is not
        a hard error, but an extension.
        * simplify.c (gfc_simplify_dim, gfc_simplify_mod,
        gfc_simplify_modulo): When arguments have different kinds, fold
        the lower one to the largest kind.

2005-11-21  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/14943
        PR fortran/21647
        * Make-lang.in (fortran/trans-io.o): Depend on fortran/ioparm.def.
        * dump-parse-tree.c (gfc_show_code_node): Dump c->block for
        EXEC_{READ,WRITE,IOLENGTH} nodes.
        * io.c (terminate_io, match_io, gfc_match_inquire): Put data
        transfer commands into EXEC_{READ,WRITE,IOLENGTH}'s code->block.
        * resolve.c (resolve_blocks): Handle EXEC_{READ,WRITE,IOLENGTH}.
        * trans-io.c (ioparm_unit, ioparm_err, ioparm_end, ioparm_eor,
        ioparm_list_format, ioparm_library_return, ioparm_iostat,
        ioparm_exist, ioparm_opened, ioparm_number, ioparm_named,
        ioparm_rec, ioparm_nextrec, ioparm_size, ioparm_recl_in,
        ioparm_recl_out, ioparm_iolength, ioparm_file, ioparm_file_len,
        ioparm_status, ioparm_status_len, ioparm_access, ioparm_access_len,
        ioparm_form, ioparm_form_len, ioparm_blank, ioparm_blank_len,
        ioparm_position, ioparm_position_len, ioparm_action,
        ioparm_action_len, ioparm_delim, ioparm_delim_len, ioparm_pad,
        ioparm_pad_len, ioparm_format, ioparm_format_len, ioparm_advance,
        ioparm_advance_len, ioparm_name, ioparm_name_len,
        ioparm_internal_unit, ioparm_internal_unit_len,
        ioparm_internal_unit_desc, ioparm_sequential, ioparm_sequential_len,
        ioparm_direct, ioparm_direct_len, ioparm_formatted,
        ioparm_formatted_len, ioparm_unformatted, ioparm_unformatted_len,
        ioparm_read, ioparm_read_len, ioparm_write, ioparm_write_len,
        ioparm_readwrite, ioparm_readwrite_len, ioparm_namelist_name,
        ioparm_namelist_name_len, ioparm_namelist_read_mode, ioparm_iomsg,
        ioparm_iomsg_len, ioparm_var): Remove.
        (enum ioparam_type, enum iofield_type, enum iofield,
        enum iocall): New enums.
        (gfc_st_parameter_field, gfc_st_parameter): New typedefs.
        (st_parameter, st_parameter_field, iocall): New variables.
        (ADD_FIELD, ADD_STRING): Remove.
        (dt_parm, dt_post_end_block): New variables.
        (gfc_build_st_parameter): New function.
        (gfc_build_io_library_fndecls): Use it.  Initialize iocall
        array rather than ioparm_*, add extra first arguments to
        the function types.
        (set_parameter_const): New function.
        (set_parameter_value): Add type argument, return a bitmask.
        Changed to set a field in automatic structure variable rather
        than set a field in a global _gfortran_ioparm variable.
        (set_parameter_ref): Likewise.  If requested var has different
        size than what field should point to, call with a temporary and
        then copy into the user variable.  Add postblock argument.
        (set_string): Remove var_len argument, add type argument, return
        a bitmask.  Changed to set fields in automatic structure variable
        rather than set a field in a global _gfortran_ioparm variable.
        (set_internal_unit): Remove iunit, iunit_len, iunit_desc arguments,
        add var argument.  Return a bitmask.  Changed to set fields in
        automatic structure variable rather than set a field in a global
        _gfortran_ioparm variable.
        (set_flag): Removed.
        (io_result): Add var argument.  Changed to read common.flags field
        from automatic structure variable and bitwise AND it with 3.
        (set_error_locus): Add var argument.  Changed to set fields in
        automatic structure variable rather than set a field in a global
        _gfortran_{filename,line} variables.
        (gfc_trans_open): Use gfc_start_block rather than gfc_init_block.
        Create a temporary st_parameter_* structure.  Adjust callers of
        all above mentioned functions.  Pass address of the temporary
        variable as first argument to the generated function call.
        Use iocall array rather than ioparm_* separate variables.
        (gfc_trans_close, build_filepos, gfc_trans_inquire): Likewise.
        (build_dt): Likewise.  Change first argument to tree from tree *.
        Don't dereference code->ext.dt if last_dt == INQUIRE.  Emit
        IOLENGTH argument setup here.  Set dt_parm/dt_post_end_block
        variables and gfc_trans_code the nested data transfer commands
        in code->block.
        (gfc_trans_iolength): Just set last_dt and call build_dt immediately.
        (transfer_namelist_element): Pass address of dt_parm variable
        to generated functions.  Use iocall array rather than ioparm_*
        separate variables.
        (gfc_trans_backspace, gfc_trans_endfile, gfc_trans_rewind,
        gfc_trans_flush, gfc_trans_read, gfc_trans_write): Use iocall array
        rather than ioparm_* separate variables.
        (gfc_trans_dt_end): Likewise.  Pass address of dt_parm variable
        as first argument to generated function.  Adjust io_result caller.
        Prepend dt_post_end_block before io_result code.
        (transfer_expr): Use iocall array rather than ioparm_* separate
        variables.  Pass address of dt_parm variables as first argument
        to generated functions.
        * ioparm.def: New file.

2005-11-21  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24223
        * resolve.c (resolve_contained_fntype) Error if an internal
        function is assumed character length.

        PR fortran/24705
        * trans-decl.c (gfc_create_module_variable) Skip ICE in
        when backend decl has been built and the symbol is marked
        as being in an equivalence statement.

2005-11-20  Toon Moene  <toon@moene.indiv.nluug.nl>

        * invoke.texi: Remove superfluous @item.

2005-11-19  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/24862
        * trans-io.c (gfc_trans_transfer): Handle arrays of derived type.

2005-11-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/20811
        * scanner.c (gfc_open_included_file): Add an extra include_cwd
        argument. Only include files in the current working directory if
        its value is true.
        * gfortran.h: Change prototype for gfc_open_included_file.
        (load_file): Don't search for include files in the current working
        directory.
        * options.c (gfc_post_options): Add the directory of the source file
        to the list of paths for included files.
        * module.c (gfc_use_module): Look for module files in the current
        directory.

2005-11-16  Alan Modra  <amodra@bigpond.net.au>

        PR fortran/24096
        * trans-types.c (gfc_init_kinds): Use one less for max_exponent
        of IBM extended double format.

2005-11-13  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * intrinsic.c (add_functions): Add COMPLEX, FTELL, FGETC, FGET,
        FPUTC, FPUT, AND, XOR and OR intrinsic functions.
        (add_subroutines): Add FGETC, FGET, FPUTC, FPUT and FTELL intrinsic
        subroutines.
        * gfortran.h: Add GFC_ISYM_AND, GFC_ISYM_COMPLEX, GFC_ISYM_FGET,
        GFC_ISYM_FGETC, GFC_ISYM_FPUT, GFC_ISYM_FPUTC, GFC_ISYM_FTELL,
        GFC_ISYM_OR, GFC_ISYM_XOR.
        * iresolve.c (gfc_resolve_and, gfc_resolve_complex,
        gfc_resolve_or, gfc_resolve_fgetc, gfc_resolve_fget,
        gfc_resolve_fputc, gfc_resolve_fput, gfc_resolve_ftell,
        gfc_resolve_xor, gfc_resolve_fgetc_sub, gfc_resolve_fget_sub,
        gfc_resolve_fputc_sub, gfc_resolve_fput_sub, gfc_resolve_ftell_sub):
        New functions.
        * check.c (gfc_check_complex, gfc_check_fgetputc_sub,
        gfc_check_fgetputc, gfc_check_fgetput_sub, gfc_check_fgetput,
        gfc_check_ftell, gfc_check_ftell_sub, gfc_check_and): New functions.
        * simplify.c (gfc_simplify_and, gfc_simplify_complex, gfc_simplify_or,
        gfc_simplify_xor): New functions.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Add cases for
        GFC_ISYM_AND, GFC_ISYM_COMPLEX, GFC_ISYM_FGET, GFC_ISYM_FGETC,
        GFC_ISYM_FPUT, GFC_ISYM_FPUTC, GFC_ISYM_FTELL, GFC_ISYM_OR and
        GFC_ISYM_XOR.
        * intrinsic.h: Add prototypes for all functions added to iresolve.c,
        simplify.c and check.c.

2005-11-10  Paul Thomas  <pault@gcc.gnu.org>
            Steven G. Kargl <kargls@comcast.net>

        PR fortran/15976
        * resolve.c (resolve_symbol): Disallow automatic arrays in module scope.

2005-11-10  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24655
        PR fortran/24755
        * match.c (recursive_stmt_fcn): Add checks that symtree exists
        for the expression to weed out inline intrinsic functions and
        parameters.

        PR fortran/24409
        * module.c (mio_symtree_ref): Correct the patch of 0923 so that
        a symbol is not substituted for by a the symbol for the module
        itself and to prevent the promotion of a formal argument.

2005-11-10  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/24643
        * primary.c (match_varspec): Check for implicitly typed CHARACTER
        variables before matching substrings.

2005-11-09  Steven G. Kargl  <kargls@comcast.net>

        * trans-intrinsic.c: Typo in comment.

2005-11-09  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/22607
        * trans-decl.c(build_function_decl): Don't set
        DECL_IS_PURE (fndecl) = 1 for return-by-reference
        functions.

2005-11-08  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * dump-parse-tree.c: Fix comment typo, add a few blank lines.

2005-11-07  Steven G. Kargl  <kargls@comcast.net>

        * error.c: Use flag_fatal_error.
        * invoke.texi:  Remove -Werror from list of options.

2005-11-06  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24534
        * resolve.c (resolve_symbol): Exclude case of PRIVATE declared
        within derived type from error associated with PRIVATE type
        components within derived type.

        PR fortran/20838
        PR fortran/20840
        * gfortran.h: Add prototype for gfc_has_vector_index.
        * io.c (gfc_resolve_dt): Error if internal unit has a vector index.
        * expr.c (gfc_has_vector_index): New function to check if any of
        the array references of an expression have vector inidices.
        (gfc_check_pointer_assign): Error if internal unit has a vector index.

        PR fortran/17737
        * data.c (gfc_assign_data_value): Remove gcc_assert that caused the ICE
        and replace by a standard dependent warning/error if overwriting an
        existing initialization.
        * decl.c (gfc_data_variable): Remove old error for already initialized
        variable and the unused error check for common block variables.  Add
        error for hots associated variable and standard dependent error for
        common block variables, outside of blockdata.
        * symbol.c (check_conflict): Add constraints for DATA statement.

2005-11-06  Janne Blomqvist <jb@gcc.gnu.org>

        PR fortran/24174
        PR fortran/24305
        * fortran/trans-io.c (gfc_build_io_library_fndecls): Add kind
        argument to transfer_array.
        (transfer_array_desc): Add kind argument.

2005-11-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * intrinsic.c (add_functions): Add ctime and fdate intrinsics.
        (add_subroutines): Likewise.
        * intrinsic.h: Prototypes for gfc_check_ctime,
        gfc_check_ctime_sub, gfc_check_fdate_sub, gfc_resolve_ctime,
        gfc_resolve_fdate, gfc_resolve_ctime_sub, gfc_resolve_fdate_sub.
        * gfortran.h: Add GFC_ISYM_CTIME and GFC_ISYM_FDATE.
        * iresolve.c (gfc_resolve_ctime, gfc_resolve_fdate,
        gfc_resolve_ctime_sub, gfc_resolve_fdate_sub): New functions.
        * trans-decl.c (gfc_build_intrinsic_function_decls): Add
        gfor_fndecl_fdate and gfor_fndecl_ctime.
        * check.c (gfc_check_ctime, gfc_check_ctime_sub,
        gfc_check_fdate_sub): New functions.
        * trans-intrinsic.c (gfc_conv_intrinsic_ctime,
        gfc_conv_intrinsic_fdate): New functions.
        (gfc_conv_intrinsic_function): Add cases for GFC_ISYM_CTIME
        and GFC_ISYM_FDATE.
        * intrinsic.texi: Documentation for the new CTIME and FDATE
        intrinsics.
        * trans.h: Declarations for gfor_fndecl_ctime and gfor_fndecl_fdate.

2005-11-05  Kazu Hirata  <kazu@codesourcery.com>

        * decl.c, trans-decl.c: Fix comment typos.
        * gfortran.texi: Fix a typo.

2005-11-05  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * intrinsic.c (add_functions): Add function version of TTYNAM.
        * intrinsic.h: Add prototypes for gfc_check_ttynam and
        gfc_resolve_ttynam.
        * gfortran.h: Add case for GFC_ISYM_TTYNAM.
        * iresolve.c (gfc_resolve_ttynam): New function.
        * trans-decl.c (gfc_build_intrinsic_function_decls): Add a tree
        for function call to library ttynam.
        * check.c (gfc_check_ttynam): New function.
        * trans-intrinsic.c (gfc_conv_intrinsic_ttynam): New function.
        (): Call gfc_conv_intrinsic_ttynam.
        * trans.h: Add prototype for gfor_fndecl_ttynam.

2005-11-04  Steven G. Kargl <kargls@comcast.net>

        PR fortran/24636
        * match.c (gfc_match_stopcode):  Set stop_code = -1.

2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/18452
        * lang-specs.h: Pass -lang-fortran to the preprocessor.

2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR fortran/18157
        * trans-array.c (gfc_conv_resolve_dependencies): Use the correct
        type for the temporary array.
        * trans-expr.c (gfc_trans_assignment): Pass lss
        instead of lss_section
        to gfc_conv_resolve_dependencies to get the
        correct type.

2005-11-02  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * decl.c (gfc_match_entry): Function entries don't need an argument
        list if there's no RESULT clause.

2005-11-01  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/24008
        * decl.c (gfc_match_entry): Function entries need an argument list.

2005-11-01  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR 24245
        * trans.c (gfc_generate_code): Move code to create a main
        program symbol from here ...
        * parse.c (main_program_symbol): ... to this new
        function, setting the locus from gfc_current_locus
        instead of ns->code->loc.
        (gfc_parse_file):  Call main_program_symbol for main programs.

2005-11-01  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/24404
        * resolve.c (resolve_symbol): Output symbol names in more error
        messages, clarify error message.

2005-11-01  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * dump-parse-tree.c (show_symtree): Revert change unintentionally
        committed in r106246.

2005-11-01  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/21565
        * symbol.c (check_conflict): An object cannot be in a namelist and in
        block data.

        PR fortran/18737
        * resolve.c (resolve_symbol): Set the error flag to
        gfc_set_default_type, in the case of an external symbol, so that
        an error message is emitted if IMPLICIT NONE is set.

        PR fortran/14994
        * gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_SECNDS to enum.
        * check.c (gfc_check_secnds): New function.
        * intrinsic.c (add_functions): Add call to secnds.
        * iresolve.c (gfc_resolve_secnds): New function.
        * trans-intrinsic (gfc_conv_intrinsic_function): Add call to
        secnds via case GFC_ISYM_SECNDS.
        * intrinsic.texi: Add documentation for secnds.

2005-10-31  Andreas Schwab  <schwab@suse.de>

        * Make-lang.in (GFORTRAN_TARGET_INSTALL_NAME): Define.
        (GFORTRAN_CROSS_NAME): Remove.
        (fortran.install-common): Correctly install a cross compiler.
        (fortran.uninstall): Use GFORTRAN_TARGET_INSTALL_NAME instead of
        GFORTRAN_CROSS_NAME.

2005-10-30  Erik Edelmann  <eedelman@gcc.gnu.org>

        * gfortran.texi: Update contributors.

2005-10-30  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/18883
        * trans-decl.c (gfc_finish_var_decl): Add decl to the
        current function, rather than the parent.  Make
        assertion accept fake result variables.
        * trans-expr.c (gfc_conv_variable): If the character
        length of an ENTRY isn't set, get the length from
        the master function instead.

2005-10-30  Thomas Koenig  <Thomas.Koenig@online.de>

        * gfortran.texi:  Remove reservations about I/O usability.  Document
        that array intrinsics mostly work.

2005-10-30  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.texi: Move license stuff to back.  Add information
        on ENUM and ENUMERATOR.
        * invoke.texi: Document -fshort-enums.

2005-10-30  Gaurav Gautam  <gauravga@noida.hcltech.com>
            Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * arith.c (gfc_enum_initializer): New function.
        (gfc_check_integer_range): Made extern.
        * decl.c (enumerator_history): New typedef.
        (last_initializer, enum_history, max_enum): New variables.
        (create_enum_history, gfc_free_enum_history): New functions.
        (add_init_expr_to_sym): Call create_enum_history if parsing ENUM.
        (variable_decl): Modified to parse enumerator definition.
        (match_attr_spec): Add PARAMETER attribute to ENUMERATORs.
        (gfc_match_data_decl): Issues error, if match_type_spec do not
        return desired return values.
        (set_enum_kind, gfc_match_enum, gfc_match_enumerator_def): New
        functions.
        (gfc_match_end): Deal with END ENUM.
        * gfortran.h (gfc_statement): ST_ENUM, ST_ENUMERATOR, ST_END_ENUM
        added.
        (symbol_attribute): Bit field for enumerator added.
        (gfc_options): Add fshort_enums.
        (gfc_enum_initializer, gfc_check_integer_range): Add prototypes.
        * options.c: Include target.h
        (gfc_init_options): Initialize fshort_enums.
        (gfc_handle_option): Deal with fshort_enums.
        * parse.c (decode_statement): Match ENUM and ENUMERATOR statement.
        (gfc_ascii_statement): Deal with the enumerator statements.
        (parse_enum): New function to parse enum construct.
        (parse_spec): Added case ST_ENUM.
        * parse.h (gfc_compile_state): COMP_ENUM added.
        (gfc_match_enum, gfc_match_enumerator_def, gfc_free_enum_history):
        Prototype added.
        * symbol.c (gfc_copy_attr): Copy enumeration attribute.
        * lang.opt (fshort-enums): Option added.

2005-10-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * check.c (gfc_check_malloc, gfc_check_free): New functions.
        * gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_MALLOC.
        * intrinsic.c (add_functions): Add symbols for MALLOC function.
        (add_subroutines): Add symbol for FREE subroutine.
        * intrinsic.h: Prototypes for gfc_check_malloc, gfc_check_free,
        gfc_resolve_malloc and gfc_resolve_free.
        * intrinsic.texi: Add doc for FREE and MALLOC intrinsics.
        * iresolve.c (gfc_resolve_malloc, gfc_resolve_free): New
        functions.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Add case for
        GFC_ISYM_MALLOC.

2005-10-30  Steven Bosscher  <stevenb@suse.de>

        * gfortran.texi: Update contributors.

2005-10-29  Steven Bosscher  <stevenb@suse.de>

        * interface.c: Fix previous checkin (an incomplete patch
        was commited for me).

2005-10-29  Joseph S. Myers  <joseph@codesourcery.com>

        * intrinsic.texi: Remove empty @cindex line.

2005-10-28  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * check.c (gfc_check_alarm_sub, gfc_check_signal,
        gfc_check_signal_sub): New functions.
        * gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_SIGNAL.
        * intrinsic.c (add_functions): Add signal intrinsic.
        (add_subroutines): Add signal and alarm intrinsics.
        * intrinsic.texi: Document the new intrinsics.
        * iresolve.c (gfc_resolve_signal, gfc_resolve_alarm_sub,
        gfc_resolve_signal_sub): New functions.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Add case
        for GFC_ISYM_SIGNAL.
        * intrinsic.h: Add prototypes for gfc_check_alarm_sub,
        gfc_check_signal, gfc_check_signal_sub, gfc_resolve_signal,
        gfc_resolve_alarm_sub, gfc_resolve_signal_sub.

2005-10-28  Steven Bosscher  <stevenb@suse.de>

        PR fortran/24545
        * interface.c (gfc_match_end_interface): Fix typo in 
        INTERFACE_USER_OP case.

2005-10-26  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/15586
        * resolve.c (resolve_symbol): Remove the use of whynot, so that
        error messages are not built from pieces.

2005-10-26  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24158
        * decl.c (gfc_match_data_decl): Correct broken bit of code
        that prevents undefined derived types from being used as
        components of another derived type.
        * resolve.c (resolve_symbol): Add backstop error when derived
        type variables arrive here with a type that has no components.

2005-10-25  Jakub Jelinek  <jakub@redhat.com>

        * trans.h (gfc_conv_cray_pointee): Remove.
        * trans-expr.c (gfc_conv_variable): Revert 2005-10-24 change.
        * trans-array.c (gfc_conv_array_parameter): Likewise.
        * trans-decl.c (gfc_conv_cray_pointee): Remove.
        (gfc_finish_cray_pointee): New function.
        (gfc_finish_var_decl): Use it.  Don't return early for Cray
        pointees.
        (gfc_create_module_variable): Revert 2005-10-24 change.
        * decl.c (cray_pointer_decl): Update comment.
        * gfortran.texi: Don't mention Cray pointees aren't visible in the
        debugger.

        * symbol.c (check_conflict): Add conflict between cray_pointee
        and in_common resp. in_equivalence.
        * resolve.c (resolve_equivalence): Revert 2005-10-24 change.

        * module.c (ab_attribute): Add AB_CRAY_POINTER and AB_CRAY_POINTEE.
        (attr_bits): Likewise.
        (mio_symbol_attribute): Save and restore cray_pointe{r,e} attributes.
        (mio_symbol): For cray_pointee write/read cp_pointer reference.

2005-10-25  Feng Wang  <fengwang@nudt.edu.cn>

        PR fortran/22290
        * trans-decl.c (gfc_add_assign_aux_vars): New function. Add two
        auxiliary variables.
        (gfc_get_symbol_decl): Use it when a variable, including dummy
        argument, is assigned a label.
        (gfc_trans_assign_aux_var): New function. Set initial value of
        the auxiliary variable explicitly.
        (gfc_trans_deferred_vars): Use it.
        * trans-stmt.c (gfc_conv_label_variable): Handle dummy argument.

2005-10-24  Asher Langton  <langton2@llnl.gov>

        PR fortran/17031
        PR fortran/22282
        * check.c (gfc_check_loc): New function.
        * decl.c (variable_decl): New variables cp_as and sym.  Added a
        check for variables that have already been declared as Cray
        Pointers, so we can get the necessary attributes without adding
        a new symbol.
        (attr_decl1): Added code to catch pointee symbols and "fix"
        their array specs.
        (cray_pointer_decl): New method.
        (gfc_match_pointer): Added Cray pointer parsing code.
        (gfc_mod_pointee_as): New method.
        * expr.c (gfc_check_assign): Added a check to catch vector-type
        assignments to pointees with an unspecified final dimension.
        * gfortran.h: (GFC_ISYM_LOC): New.
        (symbol_attribute): Added cray_pointer and cray_pointee bits.
        (gfc_array_spec): Added cray_pointee and cp_was_assumed bools.
        (gfc_symbol): Added gfc_symbol *cp_pointer.
        (gfc_option): Added flag_cray_pointer.
        (gfc_add_cray_pointee): Declare.
        (gfc_add_cray_pointer ): Declare.
        (gfc_mod_pointee_as): Declare.
        * intrinsic.c (add_functions): Add code for loc() intrinsic.
        * intrinsic.h (gfc_check_loc): Declare.
        (gfc_resolve_loc): Declare.
        * iresolve.c (gfc_resolve_loc): New.
        * lang.opt: Added fcray-pointer flag.
        * options.c (gfc_init_options): Initialized.
        gfc_match_option.flag_cray_pointer.
        (gfc_handle_option): Deal with -fcray-pointer.
        * parse.c:(resolve_equivalence): Added code prohibiting Cray
        pointees in equivalence statements.
        * resolve.c (resolve_array_ref): Added code to prevent bounds
        checking for Cray Pointee arrays.
        (resolve_equivalence): Prohibited pointees in equivalence
        statements.
        * symbol.c (check_conflict): Added Cray pointer/pointee
        attribute checking.
        (gfc_add_cray_pointer): New.
        (gfc_add_cray_pointee): New.
        (gfc_copy_attr): New code for Cray pointers and pointees.
        * trans-array.c (gfc_trans_auto_array_allocation): Added code to
        prevent space from being allocated for pointees.
        (gfc_conv_array_parameter): Added code to catch pointees and
        correctly set their base address.
        * trans-decl.c (gfc_finish_var_decl): Added code to prevent
        pointee declarations from making it to the back end.
        (gfc_create_module_variable): Same.
        * trans-expr.c (gfc_conv_variable): Added code to detect and
        translate pointees.
        (gfc_conv_cray_pointee): New.
        * trans-intrinsic.c (gfc_conv_intrinsic_loc): New.
        (gfc_conv_intrinsic_function): Added entry point for loc
        translation.
        * trans.h (gfc_conv_cray_pointee): Declare.

        * gfortran.texi: Added section on Cray pointers, removed Cray
        pointers from list of proposed extensions.
        * intrinsic.texi: Added documentation for loc intrinsic.
        * invoke.texi: Documented -fcray-pointer flag.

2005-10-24  Asher Langton  <langton2@llnl.gov>

        * decl.c (gfc_match_save): Changed duplicate SAVE errors to
        warnings in the absence of strict standard conformance
        * symbol.c (gfc_add_save): Same.

2005-10-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/15586
        * arith.c (gfc_arith_error): Change message to include locus.
        (check_result, eval_intrinsic, gfc_int2int, gfc_real2real,
        gfc_real2complex, gfc_complex2real, gfc_complex2complex): Use
        the new gfc_arith_error.
        (arith_error): Rewrite full error messages instead of building
        them from pieces.
        * check.c (must_be): Removed.
        (type_check, numeric_check, int_or_real_check, real_or_complex_check,
        kind_check, double_check, logical_array_check, array_check,
        scalar_check, same_type_check, rank_check, kind_value_check,
        variable_check, gfc_check_allocated, gfc_check_associated,
        gfc_check_cmplx, gfc_check_dcmplx, gfc_check_dot_product,
        gfc_check_index, gfc_check_kind, gfc_check_matmul, gfc_check_null,
        gfc_check_pack, gfc_check_precision, gfc_check_present,
        gfc_check_spread): Rewrite full error messages instead of
        building them from pieces.
        * decl.c (gfc_match_entry): Rewrite full error messages instead
        of building them from pieces.
        * parse.c (gfc_state_name): Remove.
        * parse.h: Remove prototype for gfc_state_name.

2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR fortran/23635
        * check.c (gfc_check_ichar_iachar): Move the code around so
        that the check on the length is after check for
        references.

2005-10-23  Asher Langton  <langton2@llnl.gov>

        * decl.c (match_type_spec): Add a BYTE type as an extension.

2005-10-23  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/18022
        * trans-expr.c (gfc_trans_arrayfunc_assign): Return NULL
        if there is a component ref during an array ref to force
        use of temporary in assignment.

        PR fortran/24311
        PR fortran/24384
        * fortran/iresolve.c (check_charlen_present): New function to
        add a charlen to the typespec, in the case of constant
        expressions.
        (gfc_resolve_merge, gfc_resolve_spread): Call.the above.
        (gfc_resolve_spread): Make calls to library functions that
        handle the case of the spread intrinsic with a scalar source.

2005-10-22  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/24426
        * decl.c (variable_decl): Don't assign default initializers to
        pointers.

2005-10-21  Jakub Jelinek  <jakub@redhat.com>

        * interface.c (compare_actual_formal): Issue error when attempting
        to pass an assumed-size array as assumed-shape array argument.

2005-10-20  Erik Edelmann  <erik.edelmann@iki.fi>

        PR fortran/21625
        * resolve.c (expr_to_initialize): New function.
        (resolve_allocate_expr): Take current statement as new
        argument. Add default initializers to variables of
        derived types, if they need it.
        (resolve_code): Provide current statement as argument to
        resolve_allocate_expr().

2005-10-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24440
        * resolve.c (resolve_symbol): Correct error in check for
        assumed size array with default initializer by testing
        for arrayspec before dereferencing it.

2005-10-17  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/23446
        * gfortran.h: Primitive for gfc_is_formal_arg.
        * resolve.c(gfc_is_formal_arg): New function to signal across
        several function calls that formal argument lists are being
        processed.
        (resolve_formal_arglist): Set/reset the flag for gfc_is_formal_arg.
        *expr.c(check_restricted): Add check, via gfc_is_formal_arg, if
        symbol is part of an formal argument declaration.

        PR fortran/21459
        * decl.c (add_init_expr_to_sym): Make a new character
        length for each variable, when the expression is NULL
        and link to cl_list.

        PR fortran/20866
        * match.c (recursive_stmt_fcn): New function that tests if
        a statement function resurses through itself or other other
        statement functions.
        (gfc_match_st_function): Call recursive_stmt_fcn to check
        if this is recursive and to raise error if so.

        PR fortran/20849
        PR fortran/20853
        * resolve.c (resolve_symbol): Errors for assumed size arrays
        with default initializer and for external objects with an
        initializer.

        PR fortran/20837
        * decl.c (match_attr_spec): Prevent PUBLIC from being used
        outside a module.

2005-10-16  Erik Edelmann  <erik.edelmann@iki.fi>

        PR 22273
        * expr.c (check_inquiry): Add "len" to inquiry_function.

2005-10-14  Jakub Jelinek  <jakub@redhat.com>

        * primary.c (match_boz_constant): Add missing break after gfc_error.

2005-10-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24092
        * trans-types.c (gfc_get_derived_type): Insert code to obtain backend
        declaration for derived types, building if necessary.  Return the
        derived type if the fields have been built by this process.  Otherwise,
        continue as before but using the already obtained backend_decls for the
        derived type components.  Change the gcc_assert to act on the field.

2005-10-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/18082
        * decl.c (variable_decl): Make a new copy of the character
        length for each variable, when the expression is not a
        constant.

2005-10-12  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * gfortran.h: Add bitmasks for different FPE traps. Add fpe
        member to options_t.
        * invoke.texi: Document the new -ffpe-trap option.
        * lang.opt: Add -ffpe-trap option.
        * options.c (gfc_init_options): Initialize the FPE option.
        (gfc_handle_fpe_trap_option): New function to parse the argument
        of the -ffpe-trap option.
        (gfc_handle_option): Add case for -ffpe-trap.
        * trans-decl.c: Declare a tree for the set_fpe library function.
        (gfc_build_builtin_function_decls): Build this tree.
        (gfc_generate_function_code): Generate a call to set_fpe at
        the beginning of the main program.
        * trans.h: New tree for the set_fpe library function.

2005-10-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/20847
        PR fortran/20856
        * symbol.c (check_conflict): Prevent common variables and
        function results from having the SAVE attribute,as required
        by the standard.

2005-10-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24207
        * resolve.c (resolve_symbol): Exclude use and host associated
        symbols from the test for private objects in a public namelist.

2005-10-12  Jakub Jelinek  <jakub@redhat.com>

        * trans-common.c (build_field): Fix comment typo.
        (create_common): Set backend_decl of COMMON or EQUIVALENCEd
        variables to a VAR_DECL with the COMPONENT_REF in
        DECL_HAS_VALUE_EXPR rather than COMPONENT_REF directly.
        * f95-lang.c (gfc_expand_function): Emit debug info for
        EQUIVALENCEd variables if the equiv union is going to be output.

2005-10-11  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/20786
        * iresolve.c (gfc_resolve_aint, gfc_resolve_anint): Type conversion
        of the argument.

2005-10-11  Jakub Jelinek  <jakub@redhat.com>

        * f95-lang.c (gfc_init_decl_processing): Initialize
        void_list_node.

2005-10-07  Erik Edelmann  <erik.edelmann@iki.fi>

        PR 18568
        * resolve.c (find_array_spec): Search through the list of
        components in the symbol of the type instead of the symbol of the
        variable.

2005-10-05  Richard Guenther  <rguenther@suse.de>

        PR fortran/24176
        * parse.c (gfc_parse_file): Exit early for empty files.

2005-10-03  Steve Ellcey  <sje@cup.hp.com>

        * fortran/trans-types.c (gfc_init_kinds): Only pass float, double,
        and long double floating point types through to Fortran compiler.

2005-10-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/20120
        * f95-lang.c (DO_DEFINE_MATH_BUILTIN): Add support for long
        double builtin function.
        (gfc_init_builtin_functions): Add mfunc_longdouble,
        mfunc_clongdouble and func_clongdouble_longdouble trees. Build
        them for round, trunc, cabs, copysign and pow functions.
        * iresolve.c (gfc_resolve_reshape, gfc_resolve_transpose): Add
        case for kind 10 and 16.
        * trans-decl.c: Add trees for cpowl10, cpowl16, ishftc16,
        exponent10 and exponent16.
        (gfc_build_intrinsic_function_decls): Build nodes for int16,
        real10, real16, complex10 and complex16 types. Build all possible
        combinations for function _gfortran_pow_?n_?n. Build function
        calls cpowl10, cpowl16, ishftc16, exponent10 and exponent16.
        * trans-expr.c (gfc_conv_power_op): Add case for integer(16),
        real(10) and real(16).
        * trans-intrinsic.c: Add suppport for long double builtin
        functions in BUILT_IN_FUNCTION, LIBM_FUNCTION and LIBF_FUNCTION
        macros.
        (gfc_conv_intrinsic_aint): Add case for integer(16), real(10) and
        real(16) kinds.
        (gfc_build_intrinsic_lib_fndecls): Add support for real10_decl
        and real16_decl in library functions.
        (gfc_get_intrinsic_lib_fndecl): Add cases for real and complex
        kinds 10 and 16.
        (gfc_conv_intrinsic_exponent): Add cases for real(10) and real(16)
        kinds.
        (gfc_conv_intrinsic_sign): Likewise.
        (gfc_conv_intrinsic_ishftc): Add case for integer(16) kind.
        * trans-types.c (gfc_get_int_type, gfc_get_real_type,
        gfc_get_complex_type, gfc_get_logical_type): Doesn't error out in
        the case of kinds not available.
        * trans.h: Declare trees for cpowl10, cpowl16, ishftc16,
        exponent10 and exponent16.

2005-10-01  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/16404
        PR fortran/20835
        PR fortran/20890
        PR fortran/20899
        PR fortran/20900
        PR fortran/20901
        PR fortran/20902
        * gfortran.h: Prototype for gfc_add_in_equivalence.
        * match.c (gfc_match_equivalence): Make a structure component
        an explicit,rather than a syntax, error in an equivalence
        group.  Call gfc_add_in_equivalence to add the constraints
        imposed in check_conflict.
        * resolve.c (resolve_symbol): Add constraints: No public
        structures with private-type components and no public
        procedures with private-type dummy arguments.
        (resolve_equivalence_derived): Add constraint that prevents
        a structure equivalence member from having a default
        initializer.
        (sequence_type): New static function to determine whether an
        object is default numeric, default character, non-default
        or mixed sequence. Add corresponding enum typespec.
        (resolve_equivalence): Add constraints to equivalence groups
        or their members: No more than one initialized member and
        that different types are not equivalenced for std=f95.  All
        the simple constraints have been moved to check_conflict.
        * symbol.c (check_conflict): Simple equivalence constraints
        added, including those removed from resolve_symbol.
        (gfc_add_in_equivalence): New function to interface calls
        match_equivalence to check_conflict.

2005-09-27  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/18518
        * trans-common.c (build_equiv_decl): Add IS_SAVED argument.
        If it is true, set TREE_STATIC on the decl.
        (create_common): If any symbol in equivalence has SAVE attribute,
        pass true as last argument to build_equiv_decl.

2005-09-24  Janne Blomqvist  <jblomqvi@cc.hut.fi>

        * trans-io.c (gfc_build_io_library_fndecls): Add entry
        iocall_x_array for transfer_array.
        (transfer_array_desc): New function.
        (gfc_trans_transfer): Add code to call transfer_array_desc.

2005-09-26  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/23677
        * symbol.c (gfc_is_var_automatic): Return true if character length
        is non-constant rather than constant.
        * resolve.c (gfc_resolve): Don't handle !gfc_option.flag_automatic
        here.
        * options.c (gfc_post_options): Set gfc_option.flag_max_stack_var_size
        to 0 for -fno-automatic.

2005-09-23  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/16861
        * module.c (mio_component_ref): Return if the symbol is NULL
        and wait for another iteration during module reads.
        (mio_symtree_ref): Suppress the writing of contained symbols,
        when a symbol is available in the main namespace.
        (read_module): Restrict scope of special treatment of contained
        symbols to variables only and suppress redundant call to
        find_true_name.

2005-09-22  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/24005
        * interface.c (check_interface1): Fix NULL dereference.

2005-09-22  Erik Edelmann  <erik.edelmann@iki.fi>

        PR fortran/23843
        * resolve.c (derived_inaccessible): New function.
        (resolve_transfer): Use it to check for private
        components.

2005-09-22  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/23516
        * intrinsic.c (add_function): Add IMAG, IMAGPART, and REALPART
        intrinsics.
        * intrinsic.h: Prototypes for gfc_simplify_realpart and
        gfc_resolve_realpart.
        * intrinsic.texi: Document intrinsic procedures.
        * simplify.c (gfc_simplify_realpart): New function.
        * irseolve.c (gfc_resolve_realpart): New function.

2005-09-21  Erik Edelmann  <erik.edelmann@iki.fi>

        PR fortran/19929
        * trans-stmt.c (gfc_trans_deallocate): Check if the
        object to be deallocated is an array by looking at
        expr->rank instead of expr->symtree->n.sym->attr.dimension.

2005-09-20  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/23420
        * io.c (resolve_tag): Don't allow non-CHARACTER constants as formats.
        (match_io): Fix usage of gfc_find_symbol.

2005-09-20  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/23663
        * primary.c (match_actual_arg): Handle ENTRY the same way
        as FUNCTION.

2005-09-18  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * Make-lang.in: Make check-fortran alias for check-gfortran.

2005-09-18  Andreas Jaeger  <aj@suse.de>

        * module.c (read_module): Add missed line from last patch.

2005-09-18  Erik Edelmann  <erik.edelmann@iki.fi>

        PR fortran/15975
        * resolve.c (resolve_symbol): Don't assign default
        initializer to pointers.

2005-09-18  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/16861
        * module.c (read_module): Give symbols from module procedures
        different true_name entries to those from the module proper.

2005-09-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/15586
        * arith.c (gfc_arith_error): Add translation support for error
        messages.
        * array.c (gfc_match_array_ref): Likewise.
        (gfc_match_array_spec): Likewise.
        * check.c (must_be): Add msgid convention to third argument.
        (same_type_check): Add translation support for error message.
        (rank_check): Likewise.
        (kind_value_check): Likewise.
        (gfc_check_associated): Correct typo.
        (gfc_check_reshape): Add translation support for error message.
        (gfc_check_spread): Likewise.
        * error.c (error_printf): Add nocmsgid convention to argument.
        (gfc_warning, gfc_notify_std, gfc_warning_now, gfc_warning_check)
        (gfc_error, gfc_error_now): Likewise.
        (gfc_status): Add cmsgid convention to argument.
        * expr.c (gfc_extract_int): Add translation support for error
        messages.
        (gfc_check_conformance): Add msgid convention to argument.
        (gfc_check_pointer_assign): Correct tabbing.
        * gfortran.h: Include intl.h header. Remove prototype for gfc_article.
        * gfortranspec.c: Include intl.h header.
        (lang_specific_driver): Add translation support for --version.
        * io.c (check_format): Add translation support for error message.
        (format_item_1): Likewise.
        (data_desc): Likewise.
        * matchexp.c: Likewise.
        * misc.c (gfc_article): Remove function.
        * module.c (bad_module): Use msgid convention. Add translation support
        for error messages.
        (require_atom): Add translation support for error messages.
        * parse.c (gfc_ascii_statement): Likewise.
        (gfc_state_name): Likewise.
        * primary.c (match_boz_constant): Reorganise error messages for
        translations.
        * resolve.c (resolve_entries): Likewise.
        (resolve_operator): Add translation support for error messages.
        (gfc_resolve_expr): Use msgid convention. Reorganise error messages
        for translations.
        (resolve_symbol): Add translation support for error messages.
        * symbol.c (gfc_add_procedure): Remove use of gfc_article function.
        * trans-const.c (gfc_build_string_const): Use msgid convention.

2005-09-16  Paul Brook  <paul@codesourcery.com>

        PR fortran/23906
        * dependency.c (transform_sections): Divide by correct value.
        Elaborate comment.

2005-09-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/21875 Internal Unit Array I/O, NIST
        * fortran/trans-io.c (gfc_build_io_library_fndecls): Add field for
        array descriptor to IOPARM structure.
        * fortran/trans-io.c (set_internal_unit): New function to generate code
        to store the character (array) and the character length for an internal
        unit.
        * fortran/trans-io (build_dt): Use the new function set_internal_unit.

2005-09-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/19358
        * trans-array.c (gfc_trans_dummy_array_bias): correct the typo
        which uses dim[i].upper for lbound, rather than dim[i].lower.

2005-09-13  Erik Edelmann  <erik.edelmann@iki.fi>

        PR fortran/17740
        * trans-expr.c (gfc_trans_arrayfunc_assign): Check value
        of attr.elemental for specific function instead of generic name.

2005-09-13  Richard Sandiford  <richard@codesourcery.com>

        PR fortran/18899
        * trans-intrinsic.c (gfc_conv_intrinsic_bound): Move initialization
        of argse.  Remove now-redundant want_pointer assignment.
        * trans-array.c (gfc_conv_expr_descriptor): When not assigning to
        a pointer, keep the original bounds of a full array reference.

2005-09-13  Richard Sandiford  <richard@codesourcery.com>

        PR target/19269
        * iresolve.c (gfc_resolve_cshift, gfc_resolve_eoshift)
        (gfc_resolve_pack, gfc_resolve_reshape, gfc_resolve_spread)
        (gfc_resolve_transpose, gfc_resolve_unpack): Add "_char" to the name
        for character-based operations.
        (gfc_resolve_pack): Remove ATTRIBUTE_UNUSED from array argument.
        (gfc_resolve_unpack): Copy the whole typespec from the vector.
        * trans-array.c (gfc_conv_expr_descriptor): In the EXPR_FUNCTION
        case, get the string length from the scalarization state.

2005-09-14  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * Make-lang.in: Change targets prefixes from f95 to fortran.
        * config-lang.in: Change language name to "fortran".
        * lang.opt: Change language name to "fortran".
        * options.c: Change CL_F95 to CL_Fortran.

2005-09-09  Thomas Koenig  <Thomas.Koenig@online.de>

        gfortran.texi:  Document IOSTAT= specifier.

2005-09-09  Thomas Koenig  <Thomas.Koenig@online.de>

        * gfortran.h:  Add iomsg to gfc_open, gfc_close, gfc_filepos,
        gfc_inquire and gfc_dt.
        * dump-parse-tree.c (gfc_show_code_node):  Add iomsg
        for open, close, file positioning, inquire and namelist.
        * io.c (io_tag):  Add tag_iomsg.
        (resolve_tag): Add standards warning for iomsg.
        (match_open_element):  Add iomsg.
        (gfc_free_open):  Add iomsg.
        (gfc_resolve_open):  Add iomsg.
        (gfc_free_close):  Add iomsg.
        (match_close_element):  Add iomsg.
        (gfc_resolve_close):  Add iomsg.
        (gfc_free_filepos):  Add iomsg.
        (match_file_element):  Add iomsg.
        (gfc_resolve_filepos):  Add iostat and iomsg.
        (match-dt_element):  Add iomsg.
        (gfc_free_dt):  Add iomsg.
        (gfc_resolve_dt):  Add iomsg.
        (gfc_free_inquire):  Add iomsg.
        (match_inquire_element):  Add iomsg.
        (gfc_resolve_inquire):  Add iomsg.
        * trans_io.c:  Add ioparm_iomsg and ioparm_iomsg_len.
        (gfc_build_io_library_fndecls):  Add iomsg as last field.
        (gfc_trans_open):  Add iomsg.
        (gfc_trans_close):  Add iomsg.
        (build_fileos):  Call set_string for iomsg.
        (gfc_trans_inquire):  Add iomsg.
        (build_dt):  Add iomsg.

2005-09-09  Richard Sandiford  <richard@codesourcery.com>

        * match.h (gfc_match_equiv_variable): Declare.

2005-09-09  Richard Sandiford  <richard@codesourcery.com>

        PR fortran/19239
        * Makefile.in (fortran/trans-expr.o): Depend on dependency.h.
        * dependency.h (gfc_ref_needs_temporary_p): Declare.
        * dependency.c (gfc_ref_needs_temporary_p): New function.
        (gfc_check_fncall_dependency): Use it instead of inlined check.
        By so doing, take advantage of the fact that character substrings
        within an array reference also need a temporary.
        * trans.h (GFC_SS_VECTOR): Adjust comment.
        * trans-array.c (gfc_free_ss): Remove GFC_SS_VECTOR case.
        (gfc_set_vector_loop_bounds): New function.
        (gfc_add_loop_ss_code): Call it after evaluating the subscripts of
        a GFC_SS_SECTION.  Deal with the GFC_SS_VECTOR case by evaluating
        the vector expression and caching its descriptor for use within
        the loop.
        (gfc_conv_array_index_ref, gfc_conv_vector_array_index): Delete.
        (gfc_conv_array_index_offset): Handle scalar, vector and range
        dimensions as separate cases of a switch statement.  In the vector
        case, use the loop variable to calculate a vector index and use the
        referenced element as the dimension's index.  Perform bounds checking
        on this final index.
        (gfc_conv_section_upper_bound): Return null for vector indexes.
        (gfc_conv_section_startstride): Give vector indexes a start value
        of 0 and a stride of 1.
        (gfc_conv_ss_startstride): Adjust for new GFC_SS_VECTOR representation.
        (gfc_conv_expr_descriptor): Expand comments.  Generalize the
        handling of the !want_pointer && !direct_byref case.  Use
        gfc_ref_needs_temporary_p to decide whether the variable case
        needs a temporary.
        (gfc_walk_variable_expr): Handle DIMEN_VECTOR by creating a
        GFC_SS_VECTOR index.
        * trans-expr.c: Include dependency.h.
        (gfc_trans_arrayfunc_assign): Fail if the target needs a temporary.

2005-09-09  Richard Sandiford  <richard@codesourcery.com>

        PR fortran/21104
        * trans.h (gfc_interface_sym_mapping, gfc_interface_mapping): Moved
        from trans-expr.c.
        (gfc_init_interface_mapping, gfc_free_interface_mapping)
        (gfc_add_interface_mapping, gfc_finish_interface_mapping)
        (gfc_apply_interface_mapping): Declare.
        * trans-array.h (gfc_set_loop_bounds_from_array_spec): Declare.
        (gfc_trans_allocate_temp_array): Add pre and post block arguments.
        * trans-array.c (gfc_set_loop_bounds_from_array_spec): New function.
        (gfc_trans_allocate_array_storage): Replace loop argument with
        separate pre and post blocks.
        (gfc_trans_allocate_temp_array): Add pre and post block arguments.
        Update call to gfc_trans_allocate_array_storage.
        (gfc_trans_array_constructor, gfc_conv_loop_setup): Adjust for new
        interface to gfc_trans_allocate_temp_array.
        * trans-expr.c (gfc_interface_sym_mapping, gfc_interface_mapping):
        Moved to trans.h.
        (gfc_init_interface_mapping, gfc_free_interface_mapping)
        (gfc_add_interface_mapping, gfc_finish_interface_mapping)
        (gfc_apply_interface_mapping): Make extern.
        (gfc_conv_function_call): Build an interface mapping for array
        return values too.  Call gfc_set_loop_bounds_from_array_spec.
        Adjust call to gfc_trans_allocate_temp_array so that code is
        added to SE rather than LOOP.

2005-09-09  Richard Sandiford  <richard@codesourcery.com>

        PR fortran/12840
        * trans.h (gfor_fndecl_internal_realloc): Declare.
        (gfor_fndecl_internal_realloc64): Declare.
        * trans-decl.c (gfor_fndecl_internal_realloc): New variable.
        (gfor_fndecl_internal_realloc64): New variable.
        (gfc_build_builtin_function_decls): Initialize them.
        * trans-array.h (gfc_trans_allocate_temp_array): Add a fourth argument.
        * trans-array.c (gfc_trans_allocate_array_storage): Add an argument
        to say whether the array can grow later.  Don't allocate the array
        on the stack if so.  Don't call malloc for zero-sized arrays.
        (gfc_trans_allocate_temp_array): Add a similar argument here.
        Pass it along to gfc_trans_allocate_array_storage.
        (gfc_get_iteration_count, gfc_grow_array): New functions.
        (gfc_iterator_has_dynamic_bounds): New function.
        (gfc_get_array_constructor_element_size): New function.
        (gfc_get_array_constructor_size): New function.
        (gfc_trans_array_ctor_element): Replace pointer argument with
        a descriptor tree.
        (gfc_trans_array_constructor_subarray): Likewise.  Take an extra
        argument to say whether the variable-sized part of the constructor
        must be allocated using realloc.  Grow the array when this
        argument is true.
        (gfc_trans_array_constructor_value): Likewise.
        (gfc_get_array_cons_size): Delete.
        (gfc_trans_array_constructor): If the loop bound has not been set,
        split the allocation into a static part and a dynamic part.  Set
        loop->to to the bounds for static part before allocating the
        temporary.  Adjust call to gfc_trans_array_constructor_value.
        (gfc_conv_loop_setup): Allow any constructor to determine the
        loop bounds.  Check whether the constructor has a dynamic size
        and prefer to use something else if so.  Expect the loop bound
        to be set later.  Adjust call to gfc_trans_allocate_temp_array.
        * trans-expr.c (gfc_conv_function_call): Adjust another call here.

2005-09-09  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/18878
        * module.c (find_use_name_n): Based on original
        find_use_name. Either counts number of use names for a
        given real name or returns use name n.
        (find_use_name, number_use_names): Interfaces to the
        function find_use_name_n.
        (read_module): Add the logic and calls to these functions,
        so that mutiple reuses of the same real name are loaded.

2005-09-09  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/22304
        PR fortran/23270
        PR fortran/18870
        PR fortran/16511
        PR fortran/17917
        * gfortran.h: Move definition of BLANK_COMMON_NAME from trans-
        common.c so that it is accessible to module.c. Add common_head
        field to gfc_symbol structure. Add field for the equivalence
        name AND new attr field, in_equivalence.
        * match.c (gfc_match_common, gfc_match_equivalence): In loops
        that flag common block equivalences, emit an error if the
        common blocks are different, using sym->common_head as the
        common block identifier. Ensure that symbols that are equivalence
        associated with a common block are marked as being in_common.
        * module.c (write_blank_common): New.
        (write_common): Use unmangled common block name.
        (load_equiv): New function ported from g95.
        (read_module): Call load_equiv.
        (write_equiv): New function ported from g95. Correct
        string referencing for gfc functions. Give module
        equivalences a unique name.
        (write_module): Call write_equiv and write_blank_common.
        * primary.c (match_variable) Old gfc_match_variable, made
        static and third argument provided to indicate if parent
        namespace to be visited or not.
        (gfc_match_variable) New. Interface to match_variable.
        (gfc_match_equiv_variable) New. Interface to match_variable.
        * trans-common.c (finish_equivalences): Provide the call
        to create_common with a gfc_common_header so that
        module equivalences are made external, rather than local.
        (find_equivalences): Ensure that all members in common block
        equivalences are marked as used. This prevents the subsequent
        call to this function from making local unions.
        * trans-decl.c (gfc_generate_function_code): Move the call to
        gfc_generate_contained_functions to after the call to
        gfc_trans_common so the use-associated, contained common
        blocks produce the correct references.
        (gfc_create_module_variable): Return for equivalenced symbols
        with existing backend declaration.

2005-09-08  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/23765
        * match.c (gfc_match_common): Remove unnecessary / wrong special
        cases for end-of-statement.

2005-09-08  Janne Blomqvist  <jblomqvi@cc.hut.fi>

        * gfortran.texi: Add section about implemented F2003 features.

2005-09-08  Richard Sandiford  <richard@codesourcery.com>

        PR fortran/15326
        * trans-array.c (gfc_add_loop_ss_code): Set ss->string_length in
        the GFC_SS_FUNCTION case too.
        * trans-expr.c (gfc_conv_function_val): Allow symbols to be bound
        to function pointers as well as function decls.
        (gfc_interface_sym_mapping, gfc_interface_mapping): New structures.
        (gfc_init_interface_mapping, gfc_free_interface_mapping)
        (gfc_get_interface_mapping_charlen, gfc_get_interface_mapping_array)
        (gfc_set_interface_mapping_bounds, gfc_add_interface_mapping)
        (gfc_finish_interface_mapping, gfc_apply_interface_mapping_to_cons)
        (gfc_apply_interface_mapping_to_ref)
        (gfc_apply_interface_mapping_to_expr)
        (gfc_apply_interface_mapping): New functions.
        (gfc_conv_function_call): Evaluate the arguments before working
        out where the result should go.  Make the null pointer case provide
        the string length in parmse.string_length.  Cope with non-constant
        string lengths, using the above functions to evaluate such lengths.
        Use a temporary typespec; don't assign to sym->cl->backend_decl.
        Don't assign to se->string_length when returning a cached array
        descriptor.

2005-09-08  Richard Sandiford  <richard@codesourcery.com>

        PR fortran/19928
        * trans-array.c (gfc_conv_array_ref): Call gfc_advance_se_ss_chain
        after handling scalarized references.  Make "indexse" inherit from
        "se" when handling AR_ELEMENTs.
        (gfc_walk_variable_expr): Add GFC_SS_SCALAR entries for each
        substring or scalar reference that follows an array section.
        * trans-expr.c (gfc_conv_variable): When called from within a
        scalarization loop, start out with "ref" pointing to the scalarized
        part of the reference.  Don't call gfc_advance_se_ss_chain here.

2005-09-07  Richard Sandiford  <richard@codesourcery.com>

        PR fortran/23373
        * trans-expr.c (gfc_trans_pointer_assignment): Assign to a temporary
        descriptor if the rhs is not a null pointer or variable.

2005-09-07  Thomas Koenig  <Thomas.Koenig@online.de>

        PR fortran/20848
        * symbol.c(check_conflict):  Add conflict for parameter/save,

2005-09-06  Richard Sandiford  <richard@codesourcery.com>

        PR fortran/19269
        * simplify.c (gfc_simplify_transpose): Set the result's typespec from
        the source, not the first element of the return value.

2005-09-04  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/23661
        * io.c (match_io): Correctly backup if PRINT followed by
        symbol which is not a namelist.  Force blank between PRINT
        and namelist in free form.

2005-08-31  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/20592
        * gfortran.h (gfc_option_t): Add flag_automatic.
        * invoke.texi: Document the -fno-automatic option.
        * lang.opt: Add a -fautomatic option.
        * options.c (gfc_init_options): Default for -fautomatic is on.
        (gfc_handle_option): Add handling of -fautomatic option.
        * resolve.c (gfc_resolve): When -fno-automatic is used, mark
        needed variables as SAVE.

2005-08-27  Erik Edelmann  <erik.edelmann@iki.fi>

        * trans-array.c (gfc_trans_deferred_array): Fix comments.

2005-08-27  Erik Schnetter  <schnetter@aei.mpg.de>

        * primary.c (match_charkind_name): Fix typo in comment leading to
        function.

2005-08-25  Erik Edelmann  <eedelman@acclab.helsinki.fi>

        PR fortran/20363
        * symbol.c (find_special): Remove.
        (build_sym, add_init_expr, attr_decl1): Remove calls to
        find_special in favor of calls to gfc_get_symbol.

2005-08-24  Thomas Koenig  <Thomas.Koenig@online.de>

        PR fortran/17758
        * gfortran.h (symbol_attribute):  Add noreturn to the structure.
        (gfc_intrinsic_sym):  Add noreturn to the structure.
        * intrinsic.c (make_noreturn):  New function.
        (add_subroutines):  Mark subroutines abort and exit as noreturn.
        (gfc_intrinsic_sub_interface):  Copy noreturn attribute from
        isym to the resolved symbol.
        * trans-decl.c (gfc_get_extern_function_decl): Set function
        as VOLATILE (== noreturn) if the noreturn attribute is set.

2005-08-21  Steven G. Kargl  <kargls@comcast.net>

        * decl.c: Typo in comment.

2005-08-21  Steven G. Kargl  <kargls@comcast.net>

        * array.c: Bump GFC_MAX_AC_EXPAND from 100 to 65535.

2005-08-21  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (gfc_option_t): Remove source field.  Add
        flag_d_lines field.
        (gfc_new_file): Remove arguments in prototype.
        (gfc_source_file): Make 'const char *'.
        * f95-lang.c (gfc_init): Use gfc_source_file instead of
        gfc_option.source.  Call gfc_new_file without arguments.
        * invoke.texi: Document new options '-fd-lines-as-code' and
        '-fd-lines-as-comment'.
        * lang.opt: Add new options.  Alphabetize.
        * options.c (gfc_init_options): Initialize gfc_source_file instead
        of gfc_option.source.  Initialize gfc_option.flag_d_lines.
        (form_from_filename): Move here from scanner.c.  Make
        'filename' argument 'const'.
        (gfc_post_options): Set gfc_source_file.  Determine source form.
        Warn if 'd-lines*' are used in free form.
        * scanner.c (gfc_source_file): Constify.
        (skip_fixed_comments): Deal with d-lines.
        (get_file): Constify argument 'name'.
        (load_file): Constify argument 'filename'.
        (form_from_filename): Moved to options.c.
        (gfc_new_file): Remove arguments.  Don't initialize
        gfc_source_file, don't determine source form.
        * trans-const.c (gfc_init_constants): Use gfc_source_file instead
        of gfc_option.source.

2005-08-19  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/23065
        * gfortran.h: Remove PATH_MAX definition.
        * module.c (write_module, gfc_dump_module): Use alloca to allocate
        buffers.
        * scanner.c (gfc_release_include_path, form_from_filename): Ditto.

2005-08-16  Huang Chun  <chunhuang73@hotmail.com>

        * trans-expr.c (gfc_conv_power_op): Evaluate the expression before
        expand.

2005-08-14  Asher Langton  <langton2@llnl.gov>

        * parse.c (match): Enclose macro in do...while(0) and braces.

2005-08-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/21432.
        * gfortran.texi: Document PRINT namelist.

2005-08-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/21432.
        * io.c (match_io): Add code to implement PRINT namelist.

2005-08-14  Canqun Yang  <canqun@nudt.edu.cn>

        * trans-stmt.c (gfc_trans_arithmetic_if): Optimized in case of equal
        labels.

2005-08-11  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
            Steven Bosscher  <stevenb@suse.de>

        PR libfortran/20006
        * gfortran.h: Add is_main_program member to symbol_attribute.
        * trans-decl: Add a gfor_fndecl_set_std tree.
        (gfc_build_builtin_function_decls): Create it.
        (gfc_generate_function_code): Add this call at the beginning of
        the main program.
        * trans.c (gfc_generate_code): Move main_program and attr.
        * trans.h: Add declaration for gfor_fndecl_set_std.

2005-08-10  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/22143
        gfortran.h:  Declare new function gfc_resolve_dim_arg.
        resolve.c:  New function gfc_resolve_dim_arg.
        iresolve.c (gfc_resolve_all):  Use gfc_resolve_dim_arg.
        (gfc_resolve_any):  Likewise.
        (gfc_resolve_count):  Likewise.
        (gfc_resolve_cshift):  Likewise.  If the kind of shift is less
        gfc_default_integer_kind, convert it to default integer type.
        (gfc_resolve_eoshift):  Likewise.
        (gfc_resolve_maxloc):  Use gfc_resolve_dim_arg.
        (gfc_resolve_maxval):  Likewise.
        (gfc_resolve_minloc):  Likewise.
        (gfc_resolve_minval):  Likewise.
        (gfc_resolve_product):  Likewise.
        (gfc_resolve_spread):  Likewise.
        (gfc_resolve_sum):  Likewise.

2005-08-09  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * check.c (gfc_check_ttynam_sub, gfc_check_isatty): Add check
        functions for new intrinsics TTYNAM and ISATTY.
        * intrinsic.c (add_functions, add_subroutines): Add new
        intrinsics.
        * intrinsic.h: Add prototypes for new check and resolve
        functions.
        * iresolve.c (gfc_resolve_isatty, gfc_resolve_ttynam_sub): New
        resolve functions for intrinsics TTYNAM and ISATTY.
        * gfortran.h (gfc_generic_isym_id): Add symbol for ISATTY.
        * trans-intrinsic.c: Add case for GFC_ISYM_ISATTY.

2005-08-09  Jakub Jelinek  <jakub@redhat.com>

        * scanner.c (preprocessor_line): Don't write beyond the end of flag
        buffer.

2005-08-07   Janne Blomqvist  <jblomqvi@cc.hut.fi>

        PR fortran/22390
        * dump-parse-tree.c (gfc_show_code_node): Add case for FLUSH.
        * gfortran.h: Add enums for FLUSH.
        * io.c (gfc_free_filepos,match_file_element,match_filepos): Modify
        comment appropriately.  (gfc_match_flush): New function.
        * match.c (gfc_match_if): Add match for flush.
        * match.h: Add prototype.
        * parse.c (decode_statement): Add flush to 'f' case.
        (next_statement): Add case for flush. (gfc_ascii_statement): Likewise.
        * resolve.c (resolve_code): Add flush case.
        * st.c (gfc_free_statement): Add flush case.
        * trans-io.c: Add prototype for flush.
        (gfc_build_io_library_fndecls): Build fndecl for flush.
        (gfc_trans_flush): New function.
        * trans-stmt.h: Add prototype.
        * trans.c (gfc_trans_code): Add case for flush.

2005-08-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * primary.c (match_hollerith_constant): Fix typo.

2005-08-06  Kazu Hirata  <kazu@codesourcery.com>

        * decl.c, dump-parse-tree.c, gfortran.texi, intrinsic.texi,
        invoke.texi, resolve.c, trans-array.c, trans-array.h,
        trans-common.c, trans-expr.c, trans-io.c, trans.h: Fix
        comment/doc typos.  Follow spelling conventions.

2005-08-06  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/18833
        PR fortran/20850
        * primary.c (match_varspec): If equiv_flag, don't look at sym's
        attributes, call gfc_match_array_ref up to twice and don't do any
        substring or component processing.
        * resolve.c (resolve_equivalence): Transform REF_ARRAY into
        REF_SUBSTRING or nothing if needed.  Check that substrings
        don't have zero length.

2005-08-05  Thomas Koenig  <Thomas.Koenig@online.de>

        * trans-expr.c  (gfc_build_builtin_function_decls):  Mark
        stop_numeric and stop_string as non-returning.

2005-08-04  Paul Brook  <paul@codesourcery.com>

        * trans-expr.c (gfc_conv_expr, gfc_conv_expr_type): Update comments.
        (gfc_conv_expr_lhs): Fix assertion.
        (gfc_conv_expr_val): Merge post block.  Set se.expr to new value.

2005-08-02  David Edelsohn  <edelsohn@gnu.org>

        PR fortran/22491
        * expr.c (simplify_parameter_variable): Do not copy the subobject
        references if the expression value is a constant.

        * expr.c (gfc_simplify_expr): Evaluate constant substrings.

2005-07-31  Jerry DeLisle  <jvdelisle@verizon.net>

        * intrinsic.texi: Add documentation for exponent, floor, and fnum and
        fix description of ceiling in index.

2005-07-31  Steven Bosscher  <stevenb@suse.de>

        * trans-decl.c (gfc_build_builtin_function_decls): Give the internal
        malloc functions the 'malloc' attribute.  Give runtime_error the
        'noreturn' attribute.

2005-07-31  Steven Bosscher  <stevenb@suse.de>

        * trans-stmt.c (gfc_trans_goto): Jump to the known label instead
        of the assigned goto variable.

2005-07-29  Steven Bosscher  <stevenb@suse.de>

        * trans-types.h (gfc_array_range_type): Add missing GTY decl for this.

2005-07-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * fortran/f95-lang.c (language_function): Remove
        named_labels, shadowed_labels, returns_value, returns_abnormally,
        warn_about_return_type, and extern_inline fields.
        (named_labels): Remove variable.
        (gfc_init_decl_processing): Remove setting of named_labels.

2005-07-27  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR fortran/22503
        * resolve.c (resolve_operator): Improve diagnostic for comparison
        of logicals with invalid operator.

2005-07-25  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/20063
        * data.c (gfc_assign_data_value_range): Call
        create_character_initializer if last_ts is a character type.

2005-07-22  Manfred Hollstein  <mh@suse.com>

        * match.c (gfc_match_symbol): Fix uninitialised warnings.
        * matchexp.c (gfc_match_expr): Likewise.

2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>

        Make CONSTRUCTOR use VEC to store initializers.
        * trans-array.c (gfc_build_null_descriptor,
        gfc_trans_array_constructor_value, gfc_conv_array_initializer):
        Update to cope with VEC in CONSTRUCTOR_ELTS.
        * trans-common.c (create_common): Likewise.
        * trans-expr.c (gfc_conv_structure): Likewise.
        * trans-stmt.c (gfc_trans_character_select): Use
        build_constructor_from_list instead of build_constructor.

2005-07-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/16940
        * resolve.c (resolve_symbol): A symbol with FL_UNKNOWN
        is matched against interfaces in parent namespaces. If there
        the symtree is set to point to the interface.

2005-07-16  David Edelsohn  <edelsohn@gnu.org>

        PR fortran/21730
        * decl.c (do_parm): Adjust character initializer to character length
        of symbol before assigning.

2005-07-14  Steve Ellcey  <sje@cup.hp.com>

        * trans-types.c (MAX_REAL_KINDS): Increase from 4 to 5.

2005-07-14  Jakub Jelinek  <jakub@redhat.com>

        * gfortran.h (MAX_ERROR_MESSAGE): Remove.
        (gfc_error_buf): Add allocated and index fields.  Change message
        field from array to a pointer.
        * error.c (use_warning_buffer, error_ptr, warning_ptr): Remove.
        (cur_error_buffer): New variable.
        (error_char): Use cur_error_buffer->{message,index} instead of
        {warning,error}_{buffer.message,ptr}.  Reallocate message buffer
        if too small.
        (gfc_warning, gfc_notify_std, gfc_error, gfc_error_now): Setup
        cur_error_buffer and its index rather than {warning,error}_ptr
        and use_warning_buffer.
        (gfc_warning_check, gfc_error_check): Don't print anything if
        message is NULL.
        (gfc_push_error): Allocate saved message with xstrdup.
        (gfc_pop_error): Free saved message with gfc_free.
        (gfc_free_error): New function.
        * primary.c (match_complex_constant): Call gfc_free_error if
        gfc_pop_error will not be called.
        * match.c (gfc_match_st_function): Likewise.

        PR fortran/22417
        * scanner.c (preprocessor_line): Don't treat flag 3 as the start of a new
        file.  Fix file left but not entered warning.

2005-07-14  Feng Wang  <fengwang@nudt.edu.cn>
        Steven G. Kargl  <kargls@comcast.net>

        * array.c (resolve_character_array_constructor): Allocate gfc_charlen
        for the array and attach to namespace list for automatic deallocation.

2005-07-13  Andreas Schwab  <schwab@suse.de>

        * Make-lang.in (fortran/dependency.o): Depend on
        $(GFORTRAN_TRANS_DEPS).

2005-07-11  Jakub Jelinek  <jakub@redhat.com>

        * trans-stmt.c (gfc_trans_forall_loop): Clear maskindex before
        the outermost loop.
        (gfc_trans_assign_need_temp, gfc_trans_pointer_assign_need_temp,
        gfc_trans_forall_1, gfc_evaluate_where_mask, gfc_trans_where_2):
        Don't clear maskindexes here.

2005-07-08  Daniel Berlin  <dberlin@dberlin.org>

        * trans-decl.c (create_function_arglist): DECL_ARG_TYPE_AS_WRITTEN
        is removed.

2005-07-08  Jakub Jelinek  <jakub@redhat.com>

        * primary.c (gfc_match_rvalue): Handle ENTRY the same way
        as FUNCTION.

2005-07-07  Jakub Jelinek  <jakub@redhat.com>

        * scanner.c (load_line): Add pbuflen argument, don't make
        buflen static.  If maxlen == 0 or preprocessor_flag,
        don't truncate at buflen, but at maxlen.  In xrealloc add
        1 byte at the end for the terminating '\0'.  Don't fill
        with spaces up to buflen, but gfc_option.fixed_line_length.
        (load_file): Adjust load_line caller.  Add line_len variable.

        * scanner.c (preprocessor_line): Only set current_file->line when errors
        have not been encountered.  Warn and don't crash if a file leave
        preprocessor line has no corresponding entering line.  Formatting.

2005-07-07  Steven Bosscher  <stevenb@suse.de>

        * primary.c (match_hollerith_constant): Use int, not unsigned int,
        for the hollerith length.  Fix indentation.

2005-07-07  Feng Wang  <fengwang@nudt.edu.cn>

        PR fortran/16531
        PR fortran/15966
        PR fortran/18781
        * arith.c (gfc_hollerith2int, gfc_hollerith2real,
        gfc_hollerith2complex, gfc_hollerith2character, gfc_hollerith2logical):
        New functions.
        (eval_intrinsic): Don't evaluate if Hollerith constant arguments exist.
        * arith.h (gfc_hollerith2int, gfc_hollerith2real,
        gfc_hollerith2complex, gfc_hollerith2character, gfc_hollerith2logical):
        Add prototypes.
        * expr.c (free_expr0): Free memery allocated for Hollerith constant.
        (gfc_copy_expr): Allocate and copy string if Expr is from Hollerith.
        (gfc_check_assign): Enable conversion from Hollerith to other.
        * gfortran.h (bt): Add BT_HOLLERITH.
        (gfc_expr): Add from_H flag.
        * intrinsic.c (gfc_type_letter): Return 'h' for BT_HOLLERITH.
        (add_conversions): Add conversions from Hollerith constant to other.
        (do_simplify): Don't simplify if  Hollerith constant arguments exist.
        * io.c (resolve_tag): Enable array in FORMAT tag under GFC_STD_GNU.
        * misc.c (gfc_basetype_name): Return "HOLLERITH" for BT_HOLLERITH.
        (gfc_type_name): Print "HOLLERITH" for BT_HOLLERITH.
        * primary.c (match_hollerith_constant): New function.
        (gfc_match_literal_constant): Add match Hollerith before Integer.
        * simplify.c (gfc_convert_constant): Add conversion from Hollerith
        to other.
        * trans-const.c (gfc_conv_constant_to_tree): Use VIEW_CONVERT_EXPR to
        convert Hollerith constant to tree.
        * trans-io.c (gfc_convert_array_to_string): Get array's address and
        length to set string expr.
        (set_string): Deal with array assigned Hollerith constant and character
        array.
        * gfortran.texi: Document Hollerith constants as extention support.

2005-07-07  Feng Wang  <fengwang@nudt.edu.cn>

        PR fortran/22327
        * trans-array.c (gfc_trans_array_constructor_value): Fix index of data.

2005-07-07  Jakub Jelinek  <jakub@redhat.com>

        * decl.c (gfc_match_entry): Allow ENTRY without parentheses
        even in FUNCTIONs.

2005-07-03  Kazu Hirata  <kazu@codesourcery.com>

        * gfortran.texi, intrinsic.texi: Fix typos.
        * symbol.c: Fix a comment typo.

2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * error.c (error_printf, error_print): Use ATTRIBUTE_GCC_GFC.
        * gfortran.h (ATTRIBUTE_GCC_GFC): New.
        (gfc_warning, gfc_warning_now, gfc_error, gfc_error_now,
        gfc_fatal_error, gfc_internal_error, gfc_notify_std): Use
        ATTRIBUTE_GCC_GFC.

2005-07-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/20842
        * io.c (match_dt_element): Do not allow END tag in PRINT or
        WRITE statement.

2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>

        * lang.opt: Remove "." from end of help texts.

2005-07-01  Jerry DeLisle  <jvdelisle@verizon.net>

        * gfortran.texi: Fix typos and grammar.
        * invoke.texi: Fix typos and grammar.
        * intrinsic.texi: Add documentaion for eoshift, epsilon, etime, and
        exit. Fixed alignment of text for dtime syntax. Fixed a few line
        lengths.

2005-06-25  Jakub Jelinek  <jakub@redhat.com>

        * trans-stmt.c (gfc_trans_forall_1): Prefer to use smaller logical
        type than boolean_type_node.

2005-06-25  Kelley Cook  <kcook@gcc.gnu.org>

        * all files: Update FSF address in copyright headers.

2005-06-24  Jerry DeLisle  <jvdelisle@verizon.net>

        PR fortran/21915
        * gfortran.h: Add symbols for new intrinsic functions.
        * intrinsic.c: Add new functions acosh, asinh, and atanh.
        * intrinsic.h: Add prototypes for the new functions.
        * iresolve.c (gfc_resolve_acosh): New function.
        (gfc_resolve_asinh): New function.
        (gfc_resolve_atanh): New function.
        * mathbuiltins.def: Add defines.
        * simplify.c (gfc_simplify_acosh): New function.
        (gfc_simplify_asinh): New function.
        (gfc_simplify_atanh): New function.

2005-06-24  Feng Wang  <fengwang@nudt.edu.cn>

        * simplify.c (gfc_simplify_modulo): Don't clear before get result.

2005-06-22  Paul Brook  <paul@codesourcery.com>

        PR fortran/21034
        * symbol.c (gfc_is_var_automatic): New function.
        (save_symbol): Use it.

2005-06-21  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
            Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/22010
        Port from g95.
        * module.c (mio_namelist): New function. Correct to set
        namelist_tail and to give error on renaming namelist by use
        association.
        (mio_symbol): Call mio_namelist.

2005-06-19  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * gfortran.h: Add flag_backslash compile-time option.
        * lang.opt: Add support for -fbackslash option.
        * options.c: Likewise.
        * primary.c: Implement behavior for -fno-backslash.
        * invoke.texi: Add doc for -fbackslash option.
        * gfortran.texi: Remove mention of -fno-backslash as a
        possible extension.

2005-06-20  Steven G. Kargl  <kargls@comcast.net>
        (port from g95)

        PR fortran/21257
        * match.c (gfc_match_label): Detect duplicate labels.


2005-06-20  Erik Edelmann  <erik.edelmann@iki.fi>

        * intrinsic.c (check_intrinsic_standard): Fix spelling error
        in a warning message.

2005-06-18  Erik Edelman  <eedelman@acclab.helsinki.fi>
            Steven G. Kargl  <kargls@comast.net>

        PR fortran/19926
        * primary.c (gfc_match_rvalue):  expr_type can be EXPR_CONSTANT
        for an array; check that sym->as is NULL.


2005-06-18  Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.c (gfc_intrinsic_func_interface): Enable errors for generic
        functions whose simplification routine return FAILURE.

2005-06-13  Geoffrey Keating  <geoffk@apple.com>

        * Make-lang.in (fortran.install-man): Doesn't depend on installdirs.
        (rule for installing f95.1 manpage): Does depend on installdirs.

2005-06-13  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/22038
        * trans-stmt.c (gfc_trans_forall_loop): Only increment maskindex
        in the innermost loop.

        * trans-expr.c (gfc_conv_function_call): Return int instead of
        void.  Use a local variable for has_alternate_specifier and
        return it.  Avoid modification of function type's return value
        in place, since it may be shared.
        * trans.h (has_alternate_specifier): Remove.
        (gfc_conv_function_call): Change return type.
        * trans-stmt.c (has_alternate_specifier): Remove.
        (gfc_trans_call): Add a local has_alternate_specifier variable,
        set it from gfc_conv_function_call return value.

2005-06-12  Richard Henderson  <rth@redhat.com>

        * trans-array.c (gfc_conv_descriptor_data_get): Rename from
        gfc_conv_descriptor_data.  Cast the result to the DATAPTR type.
        (gfc_conv_descriptor_data_set, gfc_conv_descriptor_data_addr): New.
        (gfc_trans_allocate_array_storage): Use them.
        (gfc_array_allocate, gfc_array_deallocate): Likewise.
        (gfc_trans_dummy_array_bias, gfc_conv_expr_descriptor): Likewise.
        (gfc_trans_deferred_array): Likewise.
        * trans-expr.c (gfc_conv_function_call): Likewise.
        (gfc_trans_subcomponent_assign): Likewise.
        (gfc_trans_pointer_assignment): Likewise.
        * trans-intrinsic.c (gfc_conv_allocated): Likewise.
        * trans-types.c (gfc_array_descriptor_base): New.
        (gfc_get_element_type): Use GFC_TYPE_ARRAY_DATAPTR_TYPE.
        (gfc_get_array_descriptor_base): Break out from ...
        (gfc_get_array_type_bounds): ... here.  Create type variants.
        * trans-array.h (gfc_conv_descriptor_data_get): Declare.
        (gfc_conv_descriptor_data_set, gfc_conv_descriptor_data_addr): Declare.

2005-06-12  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-expr.c (gfc_conv_variable): POINTER results don't need f2c
        calling conventions.  Look at sym instead of sym->result.
        * trans-types.c (gfc_sym_type): Remove workaround for frontend bug.
        Remove condition which is always false with workaround removed.
        (gfc_return_by_reference): Always look at sym, never at sym->result.

2005-06-11  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/17792
        PR fortran/21375
        * trans-array.c (gfc_array_deallocate): pstat is new argument
        (gfc_array_allocate): update gfc_array_deallocate() call.
        (gfc_trans_deferred_array): ditto.
        * trans-array.h: update gfc_array_deallocate() prototype.
        * trans-decl.c (gfc_build_builtin_function_decls): update declaration
        * trans-stmt.c (gfc_trans_deallocate): Implement STAT= feature.

2005-06-07  Jerry DeLisle  <jvdelisle@verizon.net>

        * intrinsic.texi: Add documentation for dcmplx, digits,
        dim, idim, ddim, dot_product, dprod, dreal, and dtime.

2005-06-05  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/21912
        * trans-array.c (gfc_trans_array_constructor_value): Slightly reorder.
        Generate correct exit condition in case of negative steps in
        implied-do loops.

        * invoke.texi: Fix description of flags required for compatibility
        with g77.

2005-06-04  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
        Erik Schnetter  <schnetter@aei.mpg.de>

        PR fortran/19195
        * trans.c (gfc_get_backend_locus): Remove unnecessary adjustment,
        remove FIXME comment.

2005-06-04  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * match.c (match_forall_iterator): Don't immediately give error if '='
        is not followed by an expression.

2005-06-04  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
        Erik Edelmann  <erik.edelmann@iki.fi>

        * array.c (gfc_match_array_constructor): Disallow empty array
        constructor.

2005-06-03  Jerry DeLisle  <jvdelisle@verizon.net>

        * fortran/intrinsic.texi: Add documentation for
        command_argument_count, conjg, dconjg, count,
        cpu_time, cshift, date_and_time, dble, dfloat.

2005-06-01  Roger Sayle  <roger@eyesopen.com>

        * intrinsic.c (add_conv): No longer take a "simplify" argument as
        its always gfc_convert_constant, instead take a "standard" argument.
        (add_conversions): Change all existing calls of add_conv to pass
        GFC_STD_F77 as appropriate.  Additionally, if we're allowing GNU
        extensions support integer-logical and logical-integer conversions.
        (gfc_convert_type_warn): Warn about use the use of these conversions
        as a extension when appropriate, i.e. with -pedantic.
        * simplify.c (gfc_convert_constant): Add support for integer to
        logical and logical to integer conversions, using gfc_int2log and
        gfc_log2int.
        * arith.c (gfc_log2int, gfc_int2log): New functions.
        * arith.h (gfc_log2int, gfc_int2log): Prototype here.
        * gfortran.texi: Document this new GNU extension.

2005-06-01  Paul Thomas  <pault@gcc.gnu.org>

        * fortran/trans-expr.c (gfc_conv_variable): Clean up bracketting.
        * fortran/trans-expr.c (gfc_conv_function_call): Insert spaces.
        Correct comments and replace convert of integer_one_node with
        build_int_cst.

2005-06-01  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/21729
        * resolve.c (resolve_contained_fntype): Use sym->attr.untyped
        to avoid giving error multiple times.
        (resolve_entries): Don't error about BT_UNKNOWN here.
        (resolve_unknown_f): Capitalize IMPLICIT for consistency.
        (resolve_fntype): New function.
        (gfc_resolve): Call resolve_fntype.

2005-06-01  Feng Wang  <fengwang@nudt.edu.cn>

        PR fortran/20883
        * fortran/io.c (resolve_tag): Fix error message.

2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fortran/trans-decl.c: Don't include errors.h.
        * fortran/Make-lang.in: Updates dependencies.

2005-05-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/18109
        PR fortran/18283
        PR fortran/19107
        * fortran/trans-array.c (gfc_conv_expr_descriptor): Obtain the
        string length from the expression typespec character length value
        and set temp_ss->stringlength and backend_decl. Obtain the
        tree expression from gfc_conv_expr rather than gfc_conv_expr_val.
        Dereference the expression to obtain the character.
        * fortran/trans-expr.c (gfc_conv_component_ref): Remove the
        dereference of scalar character pointer structure components.
        * fortran/trans-expr.c (gfc_trans_subarray_assign): Obtain the
        string length for the structure component from the component
        expression.

2005-05-30  Roger Sayle  <roger@eyesopen.com>

        * gfortran.h (GFC_STD_LEGACY): New "standard" macro.  Reindent.
        * options.c (gfc_init_options): By default, allow legacy extensions
        but warn about them.
        (gfc_post_options): Make -pedantic warn about legacy extensions
        even with -std=legacy.
        (gfc_handle_option): Make -std=gnu follow the default behaviour
        of warning about legacy extensions, but allowing them. Make the
        new -std=legacy accept everything and warn about nothing.
        * lang.opt (std=legacy): New F95 command line option.
        * invoke.texi: Document both -std=f2003 and -std=legacy.
        * gfortran.texi: Explain the two types of extensions and document
        how they are affected by the various -std= command line options.

2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>

        * trans-expr.c: Remove trailing ^M.

        * trans-expr.c: Fix comment typos.

2005-05-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/16939
        PR fortran/17192
        PR fortran/17193
        PR fortran/17202
        PR fortran/18689
        PR fortran/18890
        * fortran/trans-array.c (gfc_conv_resolve_dependencies): Add string
        length to temp_ss for character pointer array assignments.
        * fortran/trans-expr.c (gfc_conv_variable): Correct errors in
        dereferencing of characters and character pointers.
        * fortran/trans-expr.c (gfc_conv_function_call): Provide string
        length as return argument for various kinds of handling of return.
        Return a char[]* temporary for character pointer functions and
        dereference the temporary upon return.

2005-05-29  Janne Blomqvist  <jblomqvi@vipunen.hut.fi>
            Steven G. Kargl  <kargls@comcast.net>

        fortran/PR20846
        * io.c (gfc_match_inquire): Implement constraints on UNIT and FILE usage.

2005-05-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR libfortran/20006
        * io.c (format_item_1): Add check and extension warning for
        $ edit descriptor.

2005-05-28  Steven G. Kargl  <kargls@comcast.net>

        * arith.c (gfc_arith_init_1): Fix off by one problem;
        (gfc_check_integer_range): Chop extra bits in subnormal numbers.

2005-05-28  Jerry DeLisle   <jvdelisle@verizon.net>
            Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.texi: added documentation for BIT_SIZE, BTEST, CHAR, CEILING
        and CMPLX

2005-05-27  Steven G. Kargl  <kargls@comcast.net>

        * trans-array.c (gfc_trans_deferred_array): Use build_int_cst to force
        like types in comparsion.

2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>

        * data.c, parse.c, trans-array.c, trans-decl.c,
        trans-intrinsic.c, trans-stmt.c, trans-types.c, trans.c,
        trans.h: Fix comment typos.  Follow spelling conventions.

2005-05-22  Roger Sayle  <roger@eyesopen.com>

        * gfortran.texi: Document some more GNU extensions.

2005-05-22  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * error.c (gfc_warning): Fix typo in comment.

2005-05-18  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/21127
        * fortran/iresolve.c (gfc_resolve_reshape): Add
        gfc_type_letter (BT_COMPLEX) for complex to
        to resolved function name.

2005-05-18  Erik Edelmann  <erik.edelmann@iki.fi>

        * array.c (gfc_match_array_constructor): Support [ ... ]
        style array constructors.

2005-05-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_TRUNC
        and BUILT_IN_TRUNCF instead of BUILT_IN_FLOOR and BUILT_IN_FLOORF.
        * trans-intrinsic.c (build_fix_expr): Change 'op' argument
        to correct enum type.
        (gfc_conv_intrinsic_aint): Likewise.  Clarify comment in front of
        function.  Add default case to switch, deal with FIX_TRUNC_EXPR
        instead of FIX_FLOOR_EXPR.

2005-05-18  Feng Wang  <fengwang@nudt.edu.cn>

        PR fortran/20954
        * trans-const.c (gfc_conv_const_charlen): Use gfc_charlen_type_node to
        build character length.

2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>

        * trans-types.c (gfc_array_range_type): New variable.
        (gfc_init_types): Initialize gfc_array_range_type.
        (gfc_get_array_type_bounds): Use gfc_array_range_type.

2005-05-17  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/15080
        * trans-stmt.c (generate_loop_for_temp_to_lhs): Remove SIZE and COUNT2
        arguments.  If LSS is gfc_ss_terminator, increment COUNT1 by 1, instead
        of incrementing COUNT2 and using COUNT1+COUNT2 increment COUNT1 and use
        just that as index.
        (generate_loop_for_rhs_to_temp): Likewise.
        (compute_overall_iter_number): Add INNER_SIZE_BODY argument.
        It non-NULL, add it to body.
        (allocate_temp_for_forall_nest_1): New function, split from
        allocate_temp_for_forall_nest.
        (allocate_temp_for_forall_nest): Add INNER_SIZE_BODY argument,
        propagate it down to compute_overall_iter_number.  Use
        allocate_temp_for_forall_nest_1.
        (gfc_trans_assign_need_temp): Remove COUNT2.  Call
        compute_inner_temp_size into a new stmtblock_t.  Adjust calls to
        allocate_temp_for_forall_nest, generate_loop_for_rhs_to_temp
        and generate_loop_for_temp_to_lhs.
        (gfc_trans_pointer_assign_need_temp): Adjust calls to
        allocate_temp_for_forall_nest.
        (gfc_evaluate_where_mask): Call compute_inner_temp_size into a new
        stmtblock_t.  Call compute_overall_iter_number just once, then
        allocate_temp_for_forall_nest_1 twice with the same size.
        Initialize mask indexes if nested_forall_info != NULL.
        (gfc_trans_where_2): Initialize mask indexes before calling
        gfc_trans_nested_forall_loop.

2005-05-15  Feng Wang  <fengwang@nudt.edu.cn>
        Jerry DeLisle  <jvdelisle@verizon.net>

        PR fortran/17432
        * trans-stmt.c (gfc_trans_label_assign): fix pointer type, to
        resolve ICE on assign of format label.
        * trans-io.c (set_string): add fold-convert to properly
        handle assigned format label in write.

2005-05-13  Paul Brook  <paul@codesourcery.com>

        * trans-stmt.c (gfc_trans_forall_1): Fix comment typo.

2005-05-12  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-types.c (gfc_is_nodesc_array): Remove redundant check.

2005-05-11  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/21260
        * io.c (check_format): Look for literal characters inside
        hollerith constant.

2005-05-11  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * resolve.c (resolve_symbol): Copy 'pointer' and 'dimension'
        attribute from result symbol to function symbol.
        * trans-expr.c (gfc_conv_function_call): Look at sym->attr.dimension
        instead of sym->result->attr.dimension.

2005-05-10  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/20178
        * gfortran.h (gfc_option): Add flag_f2c.
        * invoke.texi: Document '-ff2c' command line option.  Adapt
        documentation for '-fno-second-underscore' and '-fno-underscoring'.
        * lang.opt (ff2c): New entry.
        * options.c (gfc-init_options): Set default calling convention
        to -fno-f2c.  Mark -fsecond-underscore unset.
        (gfc_post_options): Set -fsecond-underscore if not explicitly set
        by user.
        (handle_options): Set gfc_option.flag_f2c according to requested
        calling convention.
        * trans-decl.c (gfc_get_extern_function_decl): Use special f2c
        intrinsics where necessary.
        (gfc_trans_deferred_vars): Change todo error to assertion.
        * trans-expr.c (gfc_conv_variable): Dereference access
        to hidden result argument.
        (gfc_conv_function_call): Add hidden result argument to argument
        list if f2c calling conventions requested.  Slightly restructure
        tests.  Convert result of default REAL function to requested type
        if f2c calling conventions are used.  Dereference COMPLEX result
        if f2c cc are used.
        * trans-types.c (gfc_sym_type):  Return double for default REAL
        function if f2c cc are used.
        (gfc_return_by_reference): Slightly restructure logic.  Return
        COMPLEX by reference depending on calling conventions.
        (gfc_get_function_type): Correctly make hidden result argument a
        pass-by-reference argument for COMPLEX.  Remove old code which does
        this for derived types.

2005-05-09  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * match.c (gfc_match_return): Only require space after keyword when
        it is obligatory.  Only give stdwarn to after matching is successful.
        * dump-parse-tree.c (gfc_show_symbol): Deal with alternate returns.

2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>

        * intrinsic.texi: Fix typos.

2005-05-07  Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.texi:  Document ASSOCIATED and ATAN2.  Update Bessel function
        description to include information about scalar arguments.

2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>

        * Make-lang.in, dump-parse-tree.c, invoke.texi, lang.opt,
        match.h, trans-array.h: Update copyright.

2005-04-29  Tom Tromey  <tromey@redhat.com>

        * f95-lang.c (poplevel): Updated for change to build_block.

2005-04-29  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/13082
        PR fortran/18824
        * trans-expr.c (gfc_conv_variable): Handle return values in functions
        with alternate entry points.
        * resolve.c (resolve_entries): Remove unnecessary string termination
        after snprintf.  Set result of entry master.
        If all entries have the same type, set entry master's type
        to that common type, otherwise set mixed_entry_master attribute.
        * trans-types.c (gfc_get_mixed_entry_union): New function.
        (gfc_get_function_type): Use it for mixed_entry_master functions.
        * gfortran.h (symbol_attribute): Add mixed_entry_master bit.
        * decl.c (gfc_match_entry): Set entry->result properly for
        function ENTRY.
        * trans-decl.c (gfc_get_symbol_decl): For entry_master, skip over
        __entry argument.
        (build_entry_thunks): Handle return values in entry thunks.
        Clear BT_CHARACTER's ts.cl->backend_decl, so that it is not
        shared between multiple contexts.
        (gfc_get_fake_result_decl): Use DECL_ARGUMENTS from
        current_function_decl instead of sym->backend_decl.  Skip over
        entry master's entry id argument.  For mixed_entry_master entries or
        their results, return a COMPONENT_REF of the fake result.
        (gfc_trans_deferred_vars): Don't warn about missing return value if
        at least one entry point uses RESULT.
        (gfc_generate_function_code): For entry master returning
        CHARACTER, copy ts.cl->backend_decl to all entry result syms.
        * trans-array.c (gfc_trans_dummy_array_bias): Don't consider return
        values optional just because they are in entry master.

2005-04-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * gfortran.h (gfc_namespace): Add seen_implicit_none field,
        Tobias forgot this in previous commit.

2005-04-29  Paul Brook   <paul@codesourcery.com>

        * trans-expr.c (gfc_conv_expr_present): Fix broken assert.  Update
        comment.

2005-04-29  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (gfc_namespace): Add seen_implicit_none field.
        * symbol.c (gfc_set_implicit_none): Give error if there's a previous
        IMPLICIT NONE, set seen_implicit_none.
        (gfc_merge_new_implicit): Error if there's an IMPLICIT NONE statement.

2005-04-28  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (gfc_gsymbol): Make name a const char *.
        * symbol.c (gfc_get_gsymbol): Allocate gsymbol name via
        gfc_get_string.

2005-04-28  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/20865
        * resolve.c (resolve_actual_arglist): Issue an error if a statement
        functions is used as actual argument.

2005-04-27  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/21177
        * interface.c (compare_parameter): Ignore type for EXPR_NULL
        only if type is BT_UNKNOWN.

2005-04-25  Paul Brook  <paul@codesourcery.com>
        Steven G. Kargl  <kargls@comcast.net>

        PR fortran/20879
        * check.c (gfc_check_ichar_iachar): New function.
        * instinsic.h (gfc_check_ichar_iachar): Add prototype.
        * intrinsic.c (add_functions): Use it.
        * primary.c (match_varspec, gfc_match_rvalue): Clear incorrect
        character expression lengths.

2005-04-24  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/20059
        * trans-common.c (translate_common): Cast offset and
        common_segment->offset to type int for warning message.

2005-04-23  DJ Delorie  <dj@redhat.com>

        * trans-decl.c: Adjust warning() callers.

2005-04-23  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-const.c (gfc_conv_mpfr_to_tree): Use hexadecimal string as
        intermediate representation.  Fix typo in comment.

2005-04-21  Steven G. Kargl  <kargls@comcast.net>

        * trans-const.c (gfc_conv_mpfr_to_tree): Remove unneeded computation;
        simplify logic; Add a gcc_assert.

2005-04-19  Steven G. Kargl  <kargls@comcast.net>

        * trans-const.c (gfc_conv_mpz_to_tree): Fix comment.

2005-04-19  Arnaud Desitter  <arnaud.desitter@ouce.ox.ac.uk>
            Steven G. Kargl  <kargls@comcast.net>

        * invoke.texi: Update -Waliasing description

2005-04-19  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/16861
        * resolve.c (resolve_variable): If e->symtree is not set, this
        ought to be a FAILURE, and not a segfault.

2005-04-17  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/17472
        PR fortran/18209
        PR fortran/18396
        PR fortran/19467
        PR fortran/19657
        * fortran/trans-io.c (gfc_build_io_library_fndecls): Create
        declaration for st_set_nml_var and st_set_nml_var_dim. Remove
        declarations of old namelist functions.
        (build_dt): Simplified call to transfer_namelist_element.
        (nml_get_addr_expr): Generates address expression for start of
        object data. New function.
        (nml_full_name): Qualified name for derived type components. New
        function.
        (transfer_namelist_element): Modified for calls to new functions
        and improved derived type handling.

2005-04-17  Richard Guenther  <rguenth@gcc.gnu.org>

        * scanner.c (gfc_next_char_literal): Reset truncation flag
        for lines ending in a comment for both fixed and free form.
        (load_line): Do not set truncated flag if only truncating
        the EOL marker.

2005-04-15  Richard Guenther  <rguenth@gcc.gnu.org>

        PR fortran/14569
        * gfortran.h (gfc_linebuf): Add truncated field.
        * parse.c (next_statement): Handle warning for truncated
        lines.
        * scanner.c (load_line): Return if line was truncated.
        No longer warn for truncated lines.  Remove unused parameters.
        (load_file): Store load_line return value to linebuf.
        (gfc_error_recovery): Do not advance line at the end.

2005-04-14  Steven G. Kargl  <kargls@comcast.net>

        * gfortran.h (gfc_real_info): Add subnormal struct member.
        * arith.c (gfc_arith_init_1): Set it.
        (gfc_check_real_range): Use it.
        * simplify.c (gfc_simplify_nearest): Fix nearest(0.,1.).

2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>

        * simplify.c: Fix a comment typo.

2005-04-11  Richard Sandiford  <rsandifo@redhat.com>

        * lang.opt: Refer to the GCC internals documentation instead of c.opt.

2005-04-11  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * simplify.c (gfc_simplify_nearest): Overhaul.

2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>

        * interface.c: Fix a comment typo.

2005-04-10  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * match.c (match_arithmetic_if): Arithmetic IF is obsolete in
        Fortran 95.

2005-04-09  Steven G. Kargl  <kargls@comcast.net>

        * simplify.c (gfc_simplify_anint): Use mpfr_round()
        (gfc_simplify_dnint): ditto.
        (gfc_simplify_nint): ditto.

2005-04-09  Andrew Pinski  <pinskia@physics.uc.edu>

        PR fortran/13257
        * io.c (check_format): Allow an optional comma
        between descriptors.

2005-04-09  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * match.c (match_arithmetic_if): Remove gfc_ prefix and correct
        comment according to GNU coding style.
        (gfc_match_if): Remove gfc_ prefix in call to
        match_arithmetic_if.

2005-04-08  Diego Novillo  <dnovillo@redhat.com>

        * match.c (gfc_match_arithmetic_if): Declare static.

2005-04-08  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/17229
        * match.c (gfc_match_arithmetic_if): New function to match an
        arithmetic IF statement.
        (gfc_match_if): Use gfc_match_arithmetic_if to match an
        arithmetic IF statement embedded in a simple IF statement.

2005-04-07  Steven G. Kargl  <kargls@comcast.net>

        * simplify.c (gfc_simplify_exponent): Fix exponent(tiny(x))

2005-04-06  Steven G. Kargl  <kargls@comcast.net>

        * invoke.texi: Remove documentation of -std=f90

2005-04-06  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * expr.c (gfc_check_assign): Don't allow NULL as rhs in a
        non-pointer assignment.

2005-04-05  Feng Wang  <fengwang@nudt.edu.cn>

        PR fortran/15959
        PR fortran/20713

        * array.c (resolve_character_array_constructor): New function. Set
        constant character array's character length.
        (gfc_resolve_array_constructor): Use it.
        * decl.c (add_init_expr_to_sym): Set symbol and initializer character
        length.
        (gfc_set_constant_character_len): New function. Set constant character
        expression according the given length.
        * match.h (gfc_set_constant_character_len): Add prototype.

2005-04-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * intrinsic.texi: BES?? functions are not in the f95 standard.

2005-04-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * intrinsic.texi: Document COS, EXP, LOG, LOG10, SIN, SQRT, TAN.

2005-04-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * intrinsic.texi: Document BESJ0, BESJ1, BESJN, BESY0, BESY1,
        BESYN, ATAN, COSH, ERF, ERC, SINH, TANH.

2005-04-02  Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.texi: Document ALLOCATED, ANINT, ANY, ASIN; fix typos

2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>

        * decl.c, f95-lang.c, interface.c, module.c, trans-stmt.c,
        trans.h: Fix comment typos.

2005-03-29  Steven G. Kargl  <kargls@comcast.net>

        * gfortran.h (option_t): Change d8, i8, r8 to flag_default_double,
        flag_default_integer, flag_default_real
        * invoke.texi: Update documentation
        * lang.opt: Remove d8, i8, r8 definitions; Add fdefault-double-8
        fdefault-integer-8, and fdefault-real-8 definitions.
        * options.c (gfc_init_options): Set option defaults
        (gfc_handle_option): Handle command line options.
        * trans-types.c (gfc_init_kinds): Use options.

2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>

        * f95-lang.c (builtin_function): Process the attrs parameter
        and apply the "const" attribute to the builtin if found.

2005-03-27  Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.texi: Document AIMAG, AINT, ALL

2005-03-26  Steven G. Kargl  <kargls@comcast.net>

        * arith.c (check_result): Fix illogical logic.

2005-03-26  Canqun Yang  <canqun@nudt.edu.cn>

        * trans-common.c (create_common): Build RECORD_NODE for common blocks
        contain no equivalence objects.
        (add_equivalences): New argument saw_equiv.
        (trans_common): New local variable saw_equiv.
        (finish_equivalences): Add a local variable dummy, Always pass true
        for the 3rd parameter to create_common.

2005-03-25  Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.texi: Fix "make dvi"

2005-03-24  Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.texi: New file.
        * gfortran.texi: Include it; white space change; fix typo.

2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>

        * f95-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.

2005-03-23  Steven Bosscher  <stevenb@suse.de>

        * convert.c (convert): Replace fold (buildN (...)) with fold_buildN.
        * trans-array.c (gfc_trans_allocate_array_storage,
        gfc_trans_allocate_temp_array gfc_trans_array_constructor_value,
        gfc_conv_array_index_ref, gfc_trans_array_bound_check,
        gfc_conv_array_index_offset, gfc_conv_scalarized_array_ref,
        gfc_conv_array_ref, gfc_trans_preloop_setup, gfc_conv_ss_startstride,
        gfc_conv_loop_setup, gfc_array_init_size, gfc_trans_array_bounds,
        gfc_trans_auto_array_allocation, gfc_trans_dummy_array_bias,
        gfc_conv_expr_descriptor): Likewise.
        * trans-expr.c (gfc_conv_powi, gfc_conv_string_tmp,
        gfc_conv_concat_op, gfc_conv_expr_op): Likewise.
        * trans-intrinsic.c (build_round_expr, gfc_conv_intrinsic_bound,
        gfc_conv_intrinsic_cmplx, gfc_conv_intrinsic_sign,
        gfc_conv_intrinsic_minmaxloc, gfc_conv_intrinsic_minmaxval,
        gfc_conv_intrinsic_btest, gfc_conv_intrinsic_bitop,
        gfc_conv_intrinsic_singlebitop, gfc_conv_intrinsic_ibits,
        gfc_conv_intrinsic_ishft, gfc_conv_intrinsic_ishftc,
        gfc_conv_intrinsic_merge, prepare_arg_info,
        gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_repeat): Likewise.
        * trans-stmt.c (gfc_trans_simple_do, gfc_trans_do, gfc_trans_do_while,
        gfc_trans_forall_loop, gfc_do_allocate, generate_loop_for_temp_to_lhs,
        generate_loop_for_rhs_to_temp, compute_inner_temp_size,
        allocate_temp_for_forall_nest, gfc_trans_pointer_assign_need_temp,
        gfc_trans_forall_1, gfc_evaluate_where_mask, gfc_trans_where_assign):
        Likewise.
        * trans-types.c (gfc_get_dtype, gfc_get_array_type_bounds): Likewise.
        * trans.c (gfc_add_modify_expr): Likewise.

2005-03-22  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * check.c (gfc_check_chdir, gfc_check_chdir_sub, gfc_check_kill,
        gfc_check_kill_sub, gfc_check_link, gfc_check_link_sub,
        gfc_check_symlnk, gfc_check_symlnk_sub, gfc_check_rename,
        gfc_check_rename_sub, gfc_check_sleep_sub, gfc_check_gerror,
        gfc_check_getlog, gfc_check_hostnm, gfc_check_hostnm_sub,
        gfc_check_perror): new functions to check newly implemented
        g77 intrinsics.
        * gfortran.h: adding symbols for new intrinsics.
        * intrinsic.c (add_functions): adding new intrinsics.
        (add_subroutines): adding new intrinsics.
        * intrinsic.h: prototype for all checking and resolving
        functions.
        * iresolve.c (gfc_resolve_chdir, gfc_resolve_chdir_sub,
        gfc_resolve_hostnm, gfc_resolve_ierrno, gfc_resolve_kill,
        gfc_resolve_link, gfc_resolve_rename, gfc_resolve_symlnk,
        gfc_resolve_time, gfc_resolve_time8, gfc_resolve_rename_sub,
        gfc_resolve_kill_sub, gfc_resolve_link_sub,
        gfc_resolve_symlnk_sub, gfc_resolve_sleep_sub,
        gfc_resolve_gerror, gfc_resolve_getlog, gfc_resolve_hostnm_sub,
        gfc_resolve_perror): new functions to resolve intrinsics.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): add case
        for new symbols.

2005-03-19  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * dump-parse-tree.c (gfc_show_expr): Dump name of namespace
        in which the variable is declared.

        PR fortran/18525
        * resolve.c (was_declared): Also check for dummy attribute.

2005-03-19  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (arith): Remove ARITH_0TO0.
        * arith.c (gfc_arith_error): Remove handling of ARITH_0TO0.
        (gfc_arith_power): Remove special casing of zero to integral
        power zero.

2005-03-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Make-lang.in (fortran-warn): Remove -Wno-error.
        (expr.o-warn, resolve.o-warn, simplify.o-warn,
        trans-common.o-warn): Specify -Wno-error.

2005-03-17  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-array.c (gfc_trans_static_array_pointer,
        get_array_ctor_var_strlen, gfc_conv_array_index_offset): Fix
        comment and formatting typos.

2005-03-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * invoke.texi: Fix typos.

2005-03-15  Zack Weinberg  <zack@codesourcery.com>

        * Make-lang.in (GFORTRAN_TEXI): Add gcc-vers.texi.

2005-03-15  Feng Wang  <fengwang@nudt.edu.cn>

        * trans-stmt.c (gfc_trans_label_assign): Don't set DECL_ARTIFICIAL flag
        to zero on label_tree.

2005-03-15  Feng Wang  <fengwang@nudt.edu.cn>

        PR fortran/18827
        * io.c (resolve_tag): Add checking on assigned label.
        (match_dt_format): Does not set symbol assign attribute.
        * match.c (gfc_match_goto):Does not set symbol assign attribute.
        * resolve.c (resolve_code): Add checking on assigned label.
        * trans-common.c (build_field): Deals with common variable assigned
        a label.
        * trans-stmt.c (gfc_conv_label_variable): New function.
        (gfc_trans_label_assign): Use it.
        (gfc_trans_goto): Ditto.
        * trans-io.c (set_string): Ditto.
        * trans.h (gfc_conv_label_variable): Add prototype.

2005-03-14  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/20467
        * symbol.c (check_conflict): A dummy argument can't be a statement
        function.

2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>

        * fortran/trans-intrinsic.c (gfc_conv_intrinsic_ishft): Convert
        the argument of the shift to the unsigned type.

2005-03-13  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/16907
        * resolve.c (gfc_resolve_index): Allow REAL indices as an extension.

2005-03-13  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/20323
        * resolve.c (gfc_resolve): Check if character lengths are
        specification expressions.

2005-03-12  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/20361
        * trans-array.c (gfc_stack_space_left): Remove unused variable.
        (gfc_can_put_var_on_stack): Move to trans-decl.c, remove #if 0'ed
        code.
        * trans-array.h (gfc_stack_space_left, gfc_can_put_var_on_stack):
        Remove declaration / prototype.
        * trans-common.c (build_equiv_decl): Give union a name.  Check if
        it can be put on the stack.
        * trans-decl.c (gfc_stack_space_left): Move function here.
        (gfc_build_qualified_array): Fix comment typo.
        * trans.h (gfc_put_var_on_stack): Add prototype.

2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Make-lang.in (fortran-warn): Set to $(STRICT_WARN) -Wno-error.
        * decl.c, trans.c: Don't use C++ style comments.
        * gfortran.h (sym_flavor, procedure_type, sym_intent, gfc_access,
        ifsrc): Give names to enums and use ENUM_BITFIELD.
        (gfc_access): Remove trailing comma.

2005-03-05  Steven G. Kargl  <kargls@comcast.net>

        PR 19936
        * primary.c (match_complex_constant): Mangled complex constant may
        be an implied do-loop.  Give implied do-loop matcher a chance.

2005-03-05  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/19754
        * resolve.c (compare_shapes):  New function.
        (resolve_operator): Use it.

2005-03-05  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-const.c (gfc_conv_constant_to_tree): Use correct tree
        type for COMPLEX constants.

2005-03-04  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/19673
        * trans-expr.c (gfc_conv_function_call): Correctly dereference
        argument from a pointer function also if it has a result clause.

2005-03-04  Steven G. Kargl  <kargls@comcast.net>

        * expr.c (gfc_copy_shape_excluding): Change && to ||.

2005-03-04  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-intrinsic.c (gfc_get_symbol_for_expr): Fix comment typo,
        clarify comment.

2005-02-28  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
        (port from g95)

        PR fortran/19479
        * simplify.c (gfc_simplify_bound): Rename to ...
        (simplify_bound): ... this and overhaul.

2005-02-28  Steven G. Kargl  <kargl@gcc.gnu.org>

        * trans-intrinsic.c (gfc_conv_intrinsic_iargc): remove boolean argument.
        (gfc_conv_intrinsic_function): update function calls

2005-02-27  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/20058
        * trans-types.c (gfc_max_integer_kind): Declare
        (gfc_init_kinds): Initialize it.
        * gfortran.h (gfc_max_integer_kind): extern it.
        * primary.c (match_boz_constant): Use it; remove gfortran extension
        of kind suffixes on BOZ literal constants


2005-02-27  Steven G. Kargl  <kargls@comcast.net>

        * arith.c (gfc_check_real_range):  Remove multiple returns
        (check_result): New function.
        (gfc_arith_uminus,gfc_arith_plus,gfc_arith_times,
        gfc_arith_divide,gfc_arith_power,gfc_arith_minus): Use it.


2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * decl.c, resolve.c, trans-array.c, trans.h: Fix comment typo(s).


2005-02-24  Tobias Schl"uter  <tobias.schlueter@physik.uni-meunchen.de>

        Unrevert previously reverted patch.  Adding this fix:
        * module.c (find_true_name): Deal with NULL module.

2005-02-24  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        Revert yesterday's patch:
        2005-02-23  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

                * gfortran.h (gfc_component, gfc_actual_arglist, ...
                ... argument.  Copy string instead of pointing to it.

2005-02-23  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (gfc_get_namespace): Add second argument to prototype.
        * intrinsic.c (gfc_intrinsic_init_1): Pass second argument to
        gfc_get_namespace.
        * module.c (mio_namespace_ref, load_needed): Likewise.
        * parse.c (parse_interface, parse_contained): Likewise.  Here the
        correct second argument matters.
        * symbol.c (gfc_get_namespace): Add parent_types argument, only copy
        parent's implicit types if this is set.
        (gfc_symbol_init_2): Pass second argument to gfc_get_namespace.
        * trans-common.c (build_common_decl): Likewise.

        * gfortran.h (symbol_attribute): New 'untyped' field, fix comment
        formatting.
        * symbol.c (gfc_set_default_type): Issue error only once, by setting
        and checking 'untyped' attribute.

        * gfortran.h (gfc_expr): Move 'operator', 'op1', 'op2', and 'uop'
        fields into new struct 'op' inside the 'value' union.
        * arith.c (eval_intrinsic): Adapt all users.
        * dependency.c (gfc_check_dependency): Likewise.
        * dump-parse-tree.c (gfc_show_expr): Likewise.
        * expr.c (gfc_get_expr): Don't clear removed fields.
        (free_expr0, gfc_copy_expr, gfc_type_convert_binary,
        gfc_is_constant_expr, simplify_intrinsic_op, check_init_expr,
        check_intrinsic_op): Adapt to new field names.
        * interface.c (gfc_extend_expr): Likewise.  Also explicitly
        nullify 'esym' and 'isym' fields of new function call.
        * iresolve.c (gfc_resolve_dot_product, gfc_resolve_matmul):
        Adapt to renamed structure fields.
        * matchexp.c (build_node, match_level_1, match_expr): Likewise.
        * module.c (mio_expr): Likewise.
        * resolve.c (resolve_operator): Likewise.
        (gfc_find_forall_index): Likewise.  Only look through operands
        if dealing with EXPR_OP
        * trans-array.c (gfc_walk_op_expr): Adapt to renamed fields.
        * trans-expr.c (gfc_conv_unary_op, gfc_conv_power_op,
        gfc_conv_concat_op, gfc_conv_expr_op): Likewise.

        [ Reverted ]
        * gfortran.h (gfc_component, gfc_actual_arglist, gfc_user_op): Make
        'name' a 'const char *'.
        (gfc_symbol): Likewise, also for 'module'.
        (gfc_symtree): Make 'name' a 'const char *'.
        (gfc_intrinsic_sym): Likewise, also for 'lib_name'.
        (gfc_get_gsymbol, gfc_find_gsymbol): Add 'const' qualifier to
        'char *' argument.
        (gfc_intrinsic_symbol): Use 'gfc_get_string' instead of 'strcpy' to
        initialize 'SYM->module'.
        * check.c (gfc_check_minloc_maxloc, check_reduction): Check for NULL
        pointer instead of empty string.
        * dump-parse-tree.c (gfc_show_actual_arglist): Likewise.
        * interface.c (gfc_compare_types): Adapt check to account for possible
        NULL pointer.
        (compare_actual_formal): Check for NULL pointer instead of empty
        string.
        * intrinsic.c (gfc_current_intrinsic, gfc_current_intrinsic_arg):
        Add 'const' qualifier.
        (conv_name): Return a heap allocated string.
        (find_conv): Add 'const' qualifier to 'target'.
        (add_sym): Use 'gfc_get_string' instead of 'strcpy'.
        (make_generic): Check for NULL pointer instead of empty string.
        (make_alias): Use 'gfc_get_string' instead of 'strcpy'.
        (add_conv): No need to strcpy result from 'conv_name'.
        (sort_actual): Check for NULL pointer instead of empty  string.
        * intrinsic.h (gfc_current_intrinsic, gfc_current_intrinsic_arg):
        Adapt prototype.
        * module.c (compare_true_names): Compare pointers instead of strings
        for 'module' member.
        (find_true_name): Initialize string fields with gfc_get_string.
        (mio_pool_string): New function.
        (mio_internal_string): Adapt comment.
        (mio_component_ref, mio_component, mio_actual_arg): Use
        'mio_pool_string' instead of 'mio_internal_string'.
        (mio_symbol_interface): Add 'const' qualifier to string arguments.
        Add level of indirection. Use 'mio_pool_string' instead of
        'mio_internal_string'.
        (load_needed, read_module): Use 'gfc_get_string' instead of 'strcpy'.
        (write_common, write_symbol): Use 'mio_pool_string' instead of
        'mio_internal_string'.
        (write_symbol0, write_symbol1): Likewise, also check for NULL pointer
        instead of empty string.
        (write_operator, write_generic): Pass correct type variable to
        'mio_symbol_interface'.
        (write_symtree): Use 'mio_pool_string' instead of
        'mio_internal_string'.
        * primary.c (match_keyword_arg): Adapt check to possible
        case of NULL pointer.  Use 'gfc_get_string' instead of 'strcpy'.
        * symbol.c (gfc_add_component, gfc_new_symtree, delete_symtree,
        gfc_get_uop, gfc_new_symbol): Use 'gfc_get_string' instead of
        'strcpy'.
        (ambiguous_symbol): Check for NULL pointer instead of empty string.
        (gfc_find_gsymbol, gfc_get_gsymbol): Add 'const' qualifier on string
        arguments.
        * trans-array.c (gfc_trans_auto_array_allocation): Check for NULL
        pointer instead of empty string.
        * trans-decl.c (gfc_sym_mangled_identifier,
        gfc_sym_mangled_function_id, gfc_finish_var_decl, gfc_get_symbol_decl,
        gfc_get_symbol_decl): Likewise.
        * trans-io.c (gfc_new_nml_name_expr): Add 'const' qualifier to
        argument.  Copy string instead of pointing to it.

2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * intrinsic.h, st.c: Update copyright.

2005-02-20  Steven G. Kargl  <kargls@comcast.net>

        * symbol.c: Typos in comments.

2005-02-20  Steven G. Kargl  <kargls@comcast.net>

        * expr.c (gfc_type_convert_binary): Typo in comment.

2005-02-19  Steven G. Kargl  <kargls@comcast.net>

        * check.c (gfc_check_selected_int_kind): New function.
        * intrinsic.h: Prototype it.
        * intrinsic.c (add_function): Use it.
        * simplify (gfc_simplify_ceiling,gfc_simplify_floor): Change
          BT_REAL to BT_INTEGER and use gfc_default_integer_kind.

2005-02-19  Steven G. Kargl  <kargls@comcast.net>

        * check.c (gfc_check_int): improve checking of optional kind
        * simplify.c (gfc_simplify_int): Change BT_REAL to BT_INTEGER

2005-02-19  Steven G. Kargl  <kargls@comcast.net>

        * check.c (gfc_check_achar): New function
        * intrinsic.h: Prototype it.
        * intrinsic.c (add_function): Use it.

2005-02-13  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-stmt.c (generate_loop_for_temp_to_lhs,
        generate_loop_for_rhs_to_temp): Remove if whose condition is
        always true.

2005-02-12  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * symbol.c (gfc_use_ha_derived): Remove, fold functionality into ...
        (gfc_use_derived): ... this function.

2005-02-09  Richard Henderson  <rth@redhat.com>

        * f95-lang.c (gfc_init_builtin_functions): Call
        build_common_builtin_nodes; do not define any functions handled
        by it.

2005-02-08  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * expr.c (gfc_copy_expr): Don't copy 'op1' and 'op2' for
        EXPR_SUBSTRING.
        (gfc_is_constant_expr): Check 'ref' to determine if substring
        reference is constant.
        (gfc_simplify_expr): Simplify 'ref' instead of 'op1' and 'op2'.
        (check_init_expr, check_restricted): Check 'ref' instead of 'op1'
        and 'op2'.
        * module.c (mio_expr): Read / write 'ref' instead of 'op1' and 'op2'.

2005-02-07  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (gfc_add_dimension, gfc_add_result, gfc_add_save,
        gfc_add_dummy, gfc_add_generic, gfc_add_in_common, gfc_add_data,
        gfc_add_in_namelist, gfc_add_sequence, gfc_add_function,
        gfc_add_subroutine, gfc_add_access, gfc_add_flavor, gfc_add_entry,
        gfc_add_procedure): Add argument.
        * array.c (gfc_set_array_spec), decl.c (var_element, get_proc_name,
        gfc_match_null, match_type_spec, match_attr_spec,
        gfc_match_formal_arglist, match_result, gfc_match_function_decl):
        Update callers to match.
        (gfc_match_entry): Likewise, fix comment typo.
        (gfc_match_subroutine, attr_decl1, gfc_add_dimension,
        access_attr_decl, do_parm, gfc_match_save, gfc_match_modproc,
        gfc_match_derived_decl): Update callers.
        * interface.c (gfc_match_interface): Likewise.
        * match.c (gfc_match_label, gfc_add_flavor,
        gfc_match_call, gfc_match_common, gfc_match_block_data,
        gfc_match_namelist, gfc_match_module, gfc_match_st_function):
        Likewise.
        * parse.c (parse_derived, parse_interface, parse_contained),
        primary.c (gfc_match_rvalue, gfc_match_variable): Likewise.
        * resolve.c (resolve_formal_arglist, resolve_entries): Update callers.
        * symbol.c (check_conflict, check_used): Add new 'name' argument,
        use when printing error message.
        (gfc_add_dimension, gfc_add_result, gfc_add_save, gfc_add_dummy,
        gfc_add_generic, gfc_add_in_common, gfc_add_data,
        gfc_add_in_namelist, gfc_add_sequence, gfc_add_function,
        gfc_add_subroutine, gfc_add_access, gfc_add_flavor, gfc_add_entry,
        gfc_add_procedure): Add new 'name' argument.  Pass along to
        check_conflict and check_used.
        (gfc_add_allocatable, gfc_add_external, gfc_add_intrinsic,
        gfc_add_optional, gfc_add_pointer, gfc_add_target, gfc_add_elemental,
        gfc_add_pure, gfc_add_recursive, gfc_add_intent,
        gfc_add_explicit_interface, gfc_copy_attr): Pass NULL for new
        argument in calls to any of the modified functions.

2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>

        * gfortran.texi: Don't give last update date.

2006-01-30  Richard Henderson  <rth@redhat.com>

        * options.c (gfc_init_options): Zero flag_errno_math.

2005-01-29  Paul Brook  <paul@codesourcery.com>

        PR fortran/18565
        * check.c (real_or_complex_check): New function.
        (gfc_check_fn_c, gfc_check_fn_r, gfc_check_fn_rc): New functions.
        * intrinsic.c (add_functions): Use new check functions.
        * intrinsic.h (gfc_check_fn_c, gfc_check_fn_r, gfc_check_fn_rc):
        Add prototypes.

2005-01-29  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/19589
        * expr.c (gfc_check_assign):  Check for conformance of logical operands

2005-01-27  Steven Bosscher  <stevenb@suse.de>

        * trans-decl.c (gfc_build_label_decl): Set DECL_ARTIFICAL and
        TREE_USED for all labels.
        (gfc_trans_entry_master_switch): Use it instead of building a
        label by hand.
        * trans-io.c (add_case): Likewise.
        * trans-stmt.c (gfc_trans_integer_select): Likewise.

2005-01-23  Paul Brook  <paul@codesourcery.com>
        Steven G. Kargl  <kargls@comcast.net>

        PR fortran/17941
        * arith.c (gfc_convert_real): Remove sign handling.
        * primary.c (match_digits): Allow whitespace after initial sign.
        (match_real_const): Handle signs here.  Allow whitespace after
        initial sign.  Remove dead code.
        (match_const_complex_part): Remove.
        (match_complex_part): Use match_{real,integer}_const.
        (match_complex_constant): Cross-promote integer types.

2005-01-23  James A. Morrison  <phython@gcc.gnu.org>

        PR fortran/19294
        * iresolve.c (gfc_resolve_transpose): Resolve to transpose_c4 or
        transpose_c8 for complex types.

2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * data.c, dependency.c, f95-lang.c, io.c, trans-array.c,
        trans-decl.c, trans-expr.c, trans-intrinsic.c, trans-io.c,
        trans-stmt.c, trans-types.c, trans.h: Fix comment typos.
        Follow spelling conventions.

2005-01-22  Bud Davis  <bdavis9659@comcast.net>

        PR fortran/19313
        * trans-io.c (gfc_trans_inquire): Added code to support
        pad.

2005-01-22  Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.c (make_alias):  Add standard argument.
        (add_functions): Update make_alias calls.

2005-01-22  Paul Brook  <paul@codesourcery.com>

        * trans-expr.c (gfc_conv_function_call): Remove bogus TODO.

2005-01-22  Paul Brook  <paul@codesourcery.com>

        * gfortran.h (gfc_check_access): Add prototype.
        * match.c (gfc_match_namelist): Remove TODO.
        * module.c (check_access): Rename ...
        (gfc_check_access): ... to this.  Boolify.  Update callers.
        * resolve.c (resolve_symbol): Check for private objects in public
        namelists.

2005-01-22  Paul Brook  <paul@codesourcery.com>

        * primary.c (gfc_match_rvalue): Only apply implicit type if variable
        does not have an explicit type.
        (gfc_match_variable): Resolve implicit derived types in all cases.
        Resolve contained function types from their own namespace, not the
        parent.
        * resolve.c (resolve_contained_fntype): Remove duplicate sym->result
        checking.  Resolve from the contained namespace, not the parent.

2005-01-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/19543
        * trans-const.c (gfc_conv_constant_to_tree): Give logical
        constants the correct type.

        PR fortran/19194
        * trans-io.c (ADD_STRING): Use gfc_charlen_type_node for string
        length parameters.
        (gfc_build_io_library_fndecls): 'rec' and 'recl_in' are not
        pointer fields.

2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * arith.c, array.c, check.c, decl.c, expr.c, f95-lang.c,
        gfortran.h, interface.c, intrinsic.c, io.c, iresolve.c,
        match.c, matchexp.c, misc.c, module.c, options.c, parse.c,
        scanner.c, simplify.c, symbol.c, trans-array.c, trans-expr.c,
        trans-io.c, trans-stmt.c, trans.c: Update copyright.

2005-01-17  Ira Rosen  <irar@il.ibm.com>

        * f95-lang.c (gfc_init_builtin_functions): Call targetm.init_builtins.

2005-01-16  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/19182
        * error.c (error_char): Line-buffer errors / warnings.

2005-01-16  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-intrinsic.c (gfc_conv_intrinsic_ishft): Fix signed /
        unsigned issue.  Use build_int_cst instead of converting
        integer_zero_node.  Remove unnecessary conversion.

        * trans-types.c (gfc_get_character_type_len): Use
        gfc_charlen_type_node as basic type for the range field.

        * trans-intrinsic.c (build_fixbound_expr,
        gfc_conv_intrinsic_bound, gfc_conv_intrinsic_anyall,
        gfc_conv_intrinsic_count, gfc_conv_intrinsic_btest,
        gfc_conv_intrinsic_singlebitop): Use 'build_int_cst' instead
        of converting 'integer_zero_node' or 'integer_one_node'
        respectively.
        (gfc_conv_intrinsic_ishftc): Same, but store in local variable to
        evade re-building.
        (gfc_conv_intrinsic_strcmp, gfc_conv_intrinsic_rrspacing,
        gfc_conv_intrinsic_trim, gfc_conv_intrinsic_iargc): Use
        'build_int_cst' instead of converting 'integer_zero_node' or
        'integer_one_node' respectively.

        * trans-intrinsic.c (gfc_conv_intrinsic_index,
        gfc_conv_intrinsic_scan, gfc_conv_intrinsic_verify): Remove
        'gfc'-prefix from local variable, remove dead code, use correct
        type when inserting argument.

        * trans-intrinsic.c, trans-types.c: Update copyright years.

2005-01-16  Steven G. Kargl  <kargls@comcast.net>

        PR 19168
        * resolve.c (check_case_overlap): Typo in comment.
        (validate_case_label_expr):  Fix up kinds of case values
        (resolve_select): Properly handle kind mismatches.

2005-01-16  Paul Brook  <paul@codesourcery.com>

        PR fortran/17675
        * trans-common.c (translate_common): Remove duplicate function call.
        (finish_equivalences): Preserve alignment when biasing offsets.

2005-01-15  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de

        * primary.c (check_digit): Call 'ISXDIGIT' instead of assuming
        ASCII-like character encoding.

2005-01-14  Steven G. Kargl  <kargls@comcast.net>

        * resolve.c (compare_case): Cleanup.

2005-01-14  Steven G. Kargl  <kargls@comcast.net>

        * resolve.c (compare_case): Give arguments correct type.

2005-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * iresolve.c, trans-common.c, trans-types.c: Fix comment
        typos.

2005-01-09  Paul Brook  <paul@codesourcery.com>

        PR fortran/17675
        * trans-common.c (current_common, current_offset): Remove.
        (create_common): Add head argument.
        (align_segment): New function.
        (apply_segment_offset): New function.
        (translate_common): Merge code from new_segment.  Handle alignment.
        (new_segment): Remove.
        (finish_equivalences): Ensure proper alignment.

2005-01-08  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-const.c: Don't include unused math.h.

        * trans-intrinsic.c (gfc_get_intrinsic_lib_fndecl,
        gfc_conv_intrinsic_bound, gfc_conv_intrinsic_minmaxloc,
        gfc_conv_intrinsic_ishft, gfc_conv_intrinsic_len): Remove
        trailing whitespace.
        (prepare_arg_info): Fix formatting, indenting and remove trailing
        whitespace.
        (gfc_conv_intrinsic_spacing, gfc_conv_intrinsic_trim): Remove
        trailing whitespace.

        * arith.c (arctangent2, gfc_arith_init_1, gfc_arith_done_1,
        gfc_constant_result, gfc_range_check, gfc_arith_power,
        eval_type_intrinsic0, eval_intrinsic_f2, gfc_real2real,
        gfc_real2complex, gfc_complex2int, gfc_complex2real,
        gfc_complex2complex): Fix whitespace issues.
        * check.c (must_be, type_check, numeric_check, int_or_real_check,
        logical_array_check, array_check, scalar_check, nonoptional_check,
        variable_check, dim_check, check_a_kind, gfc_check_a_ikind,
        gfc_check_a_xkind, gfc_check_abs, gfc_check_all_any,
        gfc_check_allocated, gfc_check_a_p, gfc_check_besn,
        gfc_check_btest, gfc_check_char, gfc_check_cmplx, gfc_check_count,
        gfc_check_cshift, gfc_check_dcmplx, gfc_check_dble,
        gfc_check_digits, gfc_check_dot_product, gfc_check_eoshift,
        gfc_check_fnum, gfc_check_g77_math1, gfc_check_huge, gfc_check_i,
        gfc_check_iand, gfc_check_ibclr, gfc_check_ibits, gfc_check_ibset,
        gfc_check_idnint, gfc_check_ieor, gfc_check_index, gfc_check_int,
        gfc_check_ior, gfc_check_ishft, gfc_check_ishftc, gfc_check_kind,
        gfc_check_lbound, gfc_check_logical, min_max_args,
        gfc_check_min_max_integer, gfc_check_min_max_real,
        gfc_check_min_max_double, gfc_check_matmul,
        gfc_check_minval_maxval, gfc_check_merge, gfc_check_nearest,
        gfc_check_pack, gfc_check_precision, gfc_check_radix,
        gfc_check_range, gfc_check_real, gfc_check_repeat,
        gfc_check_scale, gfc_check_scan, gfc_check_selected_real_kind,
        gfc_check_set_exponent): Fix formatting issues.
        (gfc_check_size, gfc_check_sign): Alphabetize function order,
        remove whitespace-only line.
        (gfc_check_fstat, gfc_check_fstat_sub, gfc_check_stat,
        gfc_check_stat_sub, gfc_check_transfer, gfc_check_transpose,
        gfc_check_ubound, gfc_check_unpack, gfc_check_verify, gfc_check_x,
        gfc_check_cpu_time, gfc_check_date_and_time, gfc_check_mvbits,
        gfc_check_random_number, gfc_check_random_seed,
        gfc_check_second_sub, gfc_check_system_clock,
        gfc_check_getcwd_sub, gfc_check_exit, gfc_check_flush,
        gfc_check_umask, gfc_check_umask_sub, gfc_check_unlink,
        gfc_check_unlink_sub): Fix formatting issues.

2005-01-08  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h: Remove outdated comment.  Don't include stdio.h
        explicitly.

2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortranspec.c (lang_specific_driver): Change year to 2005 in
        output of 'gfortran --version'.

2005-01-03  Steven G. Kargl  <kargls@comcast.net>

        * arith.c: Add system.h; remove string.h
        * decl.c: Ditto
        * matchexp.c: Ditto
        * parse.c: Ditto
        * resolve.c: Ditto
        * st.c: Ditto
        * check.c: Remove stdlib.h and stdarg.h
        * error.c: Remove stdlib.h, stdarg.h, stdio.h, string.h
        * expr.c: Add system.h; remove stdarg.h, stdio.h, and string.h
        * f95-lang.c: Add system.h; remove stdio.h
        * interface.c: Add system.h; remove stdlib.h and string.h
        * intrinsic.c: Remove stdarg.h, stdio.h, and string.h
        * io.c: Remove string.h
        * simplify.c: Ditto
        * match.c: Remove stdarg.h and string.h
        * misc.c: Update copyright; add system.h; remove stdlib.h,
        string.h, and sys/stat.h
        * module.c: Add system.h; remove string.h, stdio.h, errno.h,
        unistd.h, and time.h
        * option.c: Remove string.h and stdlib.h
        * primary.c: Ditto
        * scanner.c: Update copyright; add system.h; remove stdlib.h,
        stdio.h, string.h, and strings.h
        * symbol.c: Add system.h; remove stdlib.h, stdio.h, and string.h
        * trans-array.c: Remove stdio.h and gmp.h
        * trans-const.c: Ditto
        * trans-expr.c: Ditto
        * trans-io.c: Ditto
        * trans-stmt.c: Ditto
        * trans.c: Ditto
        * trans-intrinsic.c: Remove stdio.h and string.h