[pf3gnuchains/gcc-fork.git] / gcc / fortran / ChangeLog

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.

2004-08-16  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

2004-01-27  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.

2004-01-23  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.

2004-01-16  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

2004-12-29  Steven G. Kargl  <kargls@comcast.net>

        * gfortran.h (gfc_case): fix typo in comment.

2004-12-27  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-intrinsic.c (gfc_conv_intrinsic_ishft): Change to
        logical shift.  Call fold.  Remove 0-bit shift shortcut.
        (gfc_conv_intrinsic_ishftc): Convert first argument to at least
        4 bytes bits.  Convert 2nd and 3rd argument to 4 bytes.  Convert
        result if width(arg 1) < 4 bytes.  Call fold.

        PR fortran/19032
        * trans-intrinsic.c (gfc_conv_intrinsic_mod): Update comment
        in front of function to match the standard.  Correct handling
        of MODULO.

2004-12-27  Andrew Pinski  <pinskia@physics.uc.edu>

        * trans-expr.c (gfc_conv_cst_int_power): Only check for
        flag_unsafe_math_optimizations if we have a float type.

2004-12-23  Steven G. Kargl  <kargls@comcast.net>

        * gfortran.texi: Fix typo.

2004-12-16  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-intrinsic.c (build_fixbound_expr): Clarify comment, fix
        comment typo.

2004-12-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/18993
        * match.c (gfc_match_if): Don't explicitly skip optional whitespace.
        (gfc_match_nullify): Make sure that ')' is in front of the end of
        statement.

        * scanner.c (skip_fixed_comments): Fix typo in comment preceding
        function.

2004-12-14  Richard Henderson  <rth@redhat.com>

        * gfortran.h (gfc_expr.function.name): Make const.
        (gfc_iresolve_init_1, gfc_iresolve_done_1): Remove.
        (gfc_get_string): Update prototype.
        * iresolve.c: Include tree.h.
        (string_node, HASH_SIZE, string_head, hash): Remove.
        (gfc_get_string): Use vsnprintf, get_identifier.
        (free_strings, gfc_iresolve_init_1, gfc_iresolve_done_1): Remove.
        * misc.c (gfc_init_1): Don't call gfc_iresolve_init_1.
        (gfc_done_1): Don't call gfc_iresolve_done_1.
        * module.c (mio_allocated_string): Take and return const char *,
        instead of modifying char**.
        (mio_expr): Update to match.
        * resolve.c (pure_function): Constify name argument.
        (resolve_function): Constify name.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Likewise.

2004-12-12  Richard Henderson  <rth@redhat.com>

        * iresolve.c (gfc_resolve_all, gfc_resolve_any, gfc_resolve_count,
        gfc_resolve_cshift, gfc_resolve_dot_product, gfc_resolve_eoshift,
        gfc_resolve_matmul, gfc_resolve_maxloc, gfc_resolve_maxval,
        gfc_resolve_minloc, gfc_resolve_minval, gfc_resolve_pack,
        gfc_resolve_product, gfc_resolve_reshape, gfc_resolve_shape,
        gfc_resolve_spread, gfc_resolve_sum, gfc_resolve_transpose,
        gfc_resolve_unpack: Use PREFIX.

2004-12-12  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/18869
        * match.c (gfc_match_common): Skip whitespace.

2004-12-12  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/16581
        * check.c (gfc_check_iand, gfc_check_ibclr, gfc_check_ibits,
        gfc_check_ibset, gfc_check_ieor, gfc_check_ior): Remove default
        integer kind check; Issue error for -std=f95 when needed.
        * intrinsic.c (add_functions): Change ieor from GFC_STD_GNU to
        GFC_STD_F95.
        * iresolve.c (gfc_resolve_iand, gfc_resolve_ieor, gfc_resolve_ior):
        Promote arguments to same kind.

2004-12-12  Steven G. Kargl  <kargls@comcast.net>
        Paul Brook  <paul@codesourcery.com>

        PR fortran/16222
        * resolve.c (gfc_resolve_iterator_expr): New function.
        (gfc_resolve_iterator): Use it.  Add real_ok argument.  Convert
        start, end and stride to correct type.
        (resolve_code): Pass extra argument.
        * array.c (resolve_array_list): Pass extra argument.
        * gfortran.h (gfc_resolve): Add prototype.
        * trans-stmt.c (gfc_trans_do): Remove redundant type conversions.
        Handle real type iterators.

2004-12-11  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/17175
        * iresolve.c (gfc_resolve_scale): Convert 'I' argument if not of
        same kind as C's 'int'.
        (gfc_resolve_set_exponent): Convert 'I' argument if not of kind 4.

2004-12-08  Richard Henderson  <rth@redhat.com>

        * intrinsic.c (gfc_convert_type_warn): Propagate the input shape
        to the output expression.
        * iresolve.c (gfc_resolve_cshift, gfc_resolve_eoshift): Suppress
        warning conversion.
        (gfc_resolve_reshape): Force convert SHAPE and ORDER parameters
        to index kind.

2004-12-08  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/18826
        * resolve.c (resolve_code): Impose correct restrictions on
        assigned variable.

        * decl.c (gfc_match_end): Use locus of END when eos is an error.

2004-12-02  Steven G. Kargl  <kargls@comcast.net>
        Paul Brook  <paul@codesourcery.com>

        * check.c (gfc_check_flush, gfc_check_fnum): New functions.
        (gfc_check_fstat, gfc_check_fstat_sub): New functions.
        (gfc_check_stat, gfc_check_stat_sub): New functions.
        * gfortran.h (GFC_ISYM_FNUM,GFC_ISYM_FSTAT,GFC_ISYM_STAT): New symbols
        * intrinsic.c (add_functions,add_subroutines): Add flush, fnum,
        fstat, and stat to intrinsics symbol tables.
        * intrinsic.h (gfc_check_flush, gfc_resolve_stat_sub): Add prototypes.
        (gfc_resolve_fstat_sub, gfc_resolve_stat): Ditto.
        * iresolve.c (gfc_resolve_fnum, gfc_resolve_fstat): New functions.
        (gfc_resolve_stat, gfc_resolve_flush): New functions.
        (gfc_resolve_stat_sub,gfc_resolve_fstat_sub): New functions
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Add new intrinsics.

2004-12-02  Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.c: Fix and add comments, fix function declarations
        (OPTIONAL,REQUIRED): New symbols
        (add_functions,add_subroutines): Use symbols
        (gmp.h): Remove unused include

2004-11-25  Joseph S. Myers  <joseph@codesourcery.com>

        * f95-lang.c, gfortranspec.c, trans-decl.c: Avoid ` as left quote
        in diagnostics.

2004-11-24  Steven Bosscher  <stevenb@suse.de>

        * options.c (gfc_post_options): Don't clear flag_inline_functions.

2004-11-20  Steven G. Kargl  <kargls@comcast.net>

        * check.c (gfc_check_getcwd_sub): Fix seg fault.

        * check.c (gfc_check_exit,gfc_check_umask,gfc_check_umask_sub,
        gfc_check_unlink,gfc_check_unlink_sub): New functions
        * gfortran.h (GFC_ISYM_UMASK,GFC_ISYM_UNLINK): New symbols
        * intrinsic.c (add_functions,add_subroutines): Add umask, unlink,
        exit to intrinsics symbol tables.
        * intrinsic.h (gfc_check_umask,gfc_check_unlink,gfc_check_exit,
        gfc_check_umask_sub,gfc_check_unlink_sub,gfc_resolve_umask,
        gfc_resolve_unlink,gfc_resolve_exit,gfc_resolve_umask_sub,
        gfc_resolve_unlink_sub): Add and sort prototypes.
        * iresolve.c (gfc_resolve_umask,gfc_resolve_unlink,gfc_resolve_exit,
        gfc_resolve_umask_sub,gfc_resolve_unlink_sub): New functions
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Use symbols

2004-11-16  Paul Brook  <paul@codesourcery.com>

        PR fortran/13010
        * trans-array.c (gfc_trans_allocate_temp_array): Use gfc_get_dtype.
        (gfc_array_init_size, gfc_conv_expr_descriptor): Ditto.
        * trans-types.c (gfc_get_dtype): Accept array type rather than element
        type.
        (gfc_get_nodesc_array_type): Don't set GFC_TYPE_ARRAY_DTYPE.
        (gfc_get_array_type_bounds): Ditto.
        (gfc_get_derived_type): Recurse into derived type pointers.
        * trans-types.h (gfc_get_dtype): Add prototype.
        * trans.h (GFC_TYPE_ARRAY_DTYPE): Add comment.

2004-11-15  Paul Brook  <paul@codesourcery.com>

        * trans-types.c (gfc_get_dtype): Remove obsolete TODO.

2004-11-10  Paul Brook  <paul@codesourcery.com>

        PR fortran/18375
        * trans-expr.c (gfc_trans_subarray_assign): Free shape before ss.
        * trans-io.c (transfer_array_component): Ditto.

2004-11-10  Paul Brook  <paul@codesourcery.com>

        * invoke.texi: Fix typo.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * arith.c, array.c, decl.c, expr.c, f95-lang.c, gfortran.h,
        gfortranspec.c, interface.c, intrinsic.c, iresolve.c, match.c,
        module.c, parse.c, parse.h, primary.c, resolve.c, scanner.c,
        trans-array.c, trans-array.h, trans-expr.c, trans-intrinsic.c,
        trans-io.c, trans-stmt.c, trans.h: Fix comment formatting.

2004-11-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/18023
        * io.c (resolve_tag): Tighten up exception for assigned FORMAT.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * gfortranspec.c: Replace GNU CC with GCC.

2004-11-05  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortranspec.c (lang_specific_driver): Change year to 2004.

2004-11-05  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/18111
        *  trans-decl.c (create_function_arglist): Set DECL_ARTIFICIAL for
        hidden parameters.

2004-11-05  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15164
        * trans-decl.c (gfc_finish_var_decl): Don't declare arguments to
        module procedures as if they were module variables.

2004-11-03  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/17535
        PR fortran/17583
        PR fortran/17713
        * module.c (write_symbol1): Set module_name for dummy arguments.

2004-11-02  Paul Brook  <paul@codesourcery.com>

        * intrinsic.c (check_intrinsic_standard): Include error locus.
        Remove VLA.
        (gfc_intrinsic_func_interface, gfc_intrinsic_sub_interface): Pass
        locus to check_intrinsic_standard.

2004-10-31  Janne Blomqvist  <jblomqvi@cc.hut.fi>

        PR fortran/17590
        * gfortran.h: Change GFC_STD_* flags to more appropriate
        ones. (struct gfc_intrinsic_isym): Add field for standard. (struct
        gfc_option_t): Add field for warning about use of nonstandard
        intrinsics.
        * intrinsic.c (add_sym): Add parameter for standard version, check
        this against current standard.
        (add_sym_0): Pass standard parameter to add_sym.
        (add_sym_1, add_sym_0s, add_sym_1s, add_sym_1m, add_sym_2): Ditto.
        (add_sym_2s, add_sym_3, add_sym_3ml, add_sym_3red, add_sym_3s): Ditto.
        (add_sym_4, add_sym_4s, add_sym_5, add_sym_5s): Ditto.
        (make_generic): Add parameter for standard, check this
        against currently selected standard.
        (add_functions, add_subroutines): Add parameter to tell which
        standard an intrinsic belongs to.
        (check_intrinsic_standard): New function.
        (gfc_intrinsic_func_interface): Add call to check_intrinsic_standard.
        (gfc_intrinsic_sub_interface): Ditto.
        * lang.opt: Add Wnonstd-intrinsics option.
        * options.c (gfc_init_options): Change to use new GFC_STD_* flags,
        init new warning.
        (set_Wall): Add warning about nonstd intrinsics.
        (gfc_handle_option): Change to use new GFC_STD_* flags,
        handle new warning.
        * invoke.texi: Update manual to include -Wnonstd-intrinsics.

2004-10-30  Andrew Pinski  <pinskia@physics.uc.edu>

        * f95-lang.c (lang_tree_node): Add chain_next to be the TREE_CHAIN.

2004-10-30  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * simplify.c (twos_complement): Calculate mask in GMP arithmetic.

2004-10-30  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans.c (gfc_trans_code): Set global locus after recursing. Fix
        comment typo.

2004-10-30  Canqun Yang  <canqun@nudt.edu.cn>

        * check.c (gfc_check_rand): Allow missing optional argument.
        (gfc_check_irand): Ditto.
        * intrinsic.c (add_functions): Set arg optional flag for {i,}rand.

2004-10-28  Scott Robert Ladd  <scott.ladd@coyotegulch.com>

        PR fortran/13490, PR fortran/17912
        * gcc/fortran/gfortran.h: Added pedantic_min_int to gfc_integer_info
        * gcc/fortran/gfortran.h: Added ARITH_ASYMMETRIC to arith
        * gcc/fortran/arith.c: Added support for an "asymmetric integer"
        warning when compiling with pedantic.
        * gcc/fortran/arith.c: Set minimum integer values to reflect
        realities of two's complement signed integers. Added
        pedantic minimum.

2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

        * Make-lang.in (F95_ADDITIONAL_OBJS): Kill.
        (f951): Do not depend on F95_ADDITIONAL_OBJS and don't
        link it in.

2004-10-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-decl.c (generate_local_decl): Simplify logic, fix comment
        typo.
        (gfc_generate_function_code): Fix formatting issue.

2004-10-10  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * module.c: Fix formatting issues.

2004-10-09  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * module.c (mio_interface_rest): Set where member of interface
        while loading.

2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR fortran/17901
        * options.c (gfc_handle_option): Add break after handing the
        J/M option.

2004-10-08  Tobias Schlueter  <tobias.shclueter@physik.uni-muenchen.de>

        * arith.c: Fix formatting issues.

2004-10-07  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/17676
        * resolve.c (resolve_operator): Use correct operator name in message.

2004-10-07  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * primary.c (match_boz_constant): Allow kind parameter suffixes.
        Move standard warning further to the front.

2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>

        * trans-stmt.c: Fix a comment typo.

2004-10-07  Paul Brook  <paul@codesourcery.com>

        PR fortran/17678
        * trans-array.c (gfc_trans_deferred_array): Leave use associated
        variables alone.

2004-10-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/17568
        * simplify.c (twos_complement): New function.
        (gfc_simplify_ishft, gfc_simplify_ishftc): Revise.

        * simplify.c (gfc_simplify_abs): Use mpfr_hypot for CABS.

2004-10-06  Paul Brook  <paul@codesourcery.com>

        * trans-stmt.c (gfc_trans_simple_do): New function.
        (gfc_trans_do): Use it.  Evaluate iteration bounds before entering
        loop.  Update comments.

2004-10-04  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/17283
        * iresolve.c (gfc_resolve_pack): Choose function depending if mask
        is scalar.

        PR fortran/17631
        * intrinsic.c (add_sym_5): Remove.
        (add_subroutines): Add resolution function for MVBITS.
        * intrinsic.h (gfc_resolve_mvbits): Declare resolution function for
        MVBITS
        * iresolve.c (gfc_resolve_mvbits): New function.
        (gfc_resolve_random_number): Remove empty line at end of function.

        * trans-const.c (gfc_build_cstring_const): New function.
        (gfc_init_cst): Use new function.
        * trans-const.h (gfc_build_cstring_const): Add prototype.
        * trans-io.c (set_string, set_error_locus): Use new function.
        * trans-stmt.c (gfc_trans_goto): Use new function.

        PR fortran/17708
        * parse.c (accept_statement): Don't treat END DO like END IF and
        END SELECT.
        (parse_do_block): Generate possible END DO label inside END DO
        block.

        PR fortran/17776
        * check.c (gfc_check_system_sub): New function.
        * gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_SYSTEM.
        * intrinsic.c (add_functions): Add 'system'.
        (add_subroutines): Add 'system'.
        * intrinsic.h (gfc_check_etime_sub, gfc_check_getcwd_sub):
        Move prototypes to other suborutines.
        (gfc_check_system_sub, gfc_resolve_system, gfc_resolve_system_sub):
        Add prototype.
        (gfc_resolve_system_clock): Fix formatting of prototype.
        * iresolve.c (gfc_resolve_system, gfc_resolve_system_sub): New
        functions.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Deal with
        GFC_ISYM_SYSTEM.

2004-10-04  Erik Schnetter  <schnetter@aei.mpg.de>

        * scanner.c (preprocessor_line): Accept preprocessor lines without
        file names.  Check file names for closing quotes.  Handle escaped
        quotes in file names.

2004-10-04  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
        Paul Brook  <paul@codesourcery.com>

        * trans-array.c (gfc_conv_expr_descriptor): Check for substriungs.
        Use gfc_get_expr_charlen.
        * trans-expr.c (gfc_get_expr_charlen): New function.
        * trans.h (gfc_get_expr_charlen): Add prototype.

2004-10-04  Kazu Hirata  <kazu@cs.umass.edu>

        * trans-intrinsic.c: Fix a comment typo.

2004-10-03  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * simplify.c (range_check): Remove blank line at beginning of function.
        (gfc_simplify_dint): Same at end of function.
        (gfc_simplify_exponent, gfc_simplify_fraction): Simplify calculations.
        (gfc_simplify_bound): Fix indentation.
        (gfc_simplify_log10): Simplify calculation.
        (gfc_simplify_min, gfc_simplify_max): Remove blank line at beginning
        of function.
        (gfc_simplify_nearest): Same at end of function.
        (gfc_simplify_nint, gfc_simplify_idnint): Same at beginning of
        function.
        (gfc_simplify_rrspacing, gfc_simplify_set_exponent,
        gfc_simplify_spacing): Simplify calulations.

2004-10-03  Feng Wang  <fengwang@nudt.edu.cn>

        * trans-intrinsic.c: Fix comments on spacing and rrspacing
        (gfc_conv_intrinsic_rrspacing): Add fold on constant trees.

2004-10-01  Jan Hubicka  <jh@suse.cz>

        * f95-lang.c (gfc_expand_function): Update call of
        tree_rest_of_compilation.
        * trans-decl.c (gfc_generate_constructors): Likewise.

2004-09-26  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-intrinsic.c: Comment fixes.

2004-09-25  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * decl.c (add_init_expr_to_sym, variable_decl): Comment fixes.

2004-09-24  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-types.c (gfc_return_by_reference): Remove superfluous
        assertion.

        * intrinsic.h (gfc_resolve_getcwd): Update prototype.
        * iresolve.c (gfc_resolve_getcwd): Add second argument to function.

        PR fortran/17615
        * trans-expr.c (gfc_trans_arrayfunc_assign): Look at resolved
        function to determine return type.

2004-09-20  Jan Hubicka  <jh@suse.cz>

        * trans-decl.c (build_entry_thunks): Finalize the function; do not lower
        tree.
        (gfc_generate_function_code): Likewise.

2004-09-20  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15957
        * simplify.c (gfc_simplify_reshape): Set shape of return value
        correctly.

2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
            Zack Weinberg  <zack@codesourcery.com>

        * f95-lang.c, trans-expr.c, trans.c: Update for new tree-class
        enumeration constants.

2004-09-17  Paul Brook  <paul@codesourcery.com>

        * gfortran.h (struct gfc_linebuf): Don't use C99 empty arrays.
        (gfc_linebuf_header_size): Define.
        * scanner.c (load_file): Use it.

2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>

        * array.c, data.c, decl.c, dependency.c, error.c, f95-lang.c,
        interface.c, intrinsic.c, io.c, misc.c, module.c, parse.h,
        resolve.c, scanner.c, trans-array.c, trans-array.h,
        trans-common.c, trans-const.h, trans-decl.c, trans-expr.c,
        trans-intrinsic.c, trans-stmt.c, trans-types.c, trans.c,
        trans.h: Fix comment typos.  Follow spelling conventions.

2004-09-16  Victor Leikehman  <lei@il.ibm.com>

        PR/15364
        * trans-io.c (transfer_array_component): New function.
        (transfer_expr): For array fields, call transfer_array_component.

2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>

        * gfortran.texi: Fix a typo.

2004-09-15  Aaron W. LaFramboise <aaronavay62@aaronwl.com>

        * parse.c (eof_buf): Rename eof to eof_buf.
        (unexpected_eof): Same.
        (gfc_parse_file): Same.

2004-09-15  Steven G. Kargl  <kargls@comcast.net>

        * check.c (gfc_check_getcwd_sub): New function.
        * gfortran.h (GFC_ISYM_GETCWD): New symbol.
        * intrinsic.c (add_functions): Add function definition;
        Use symbol.
        * intrinsic.c (add_subroutines): Add subroutine definitions.
        * intrinsic.h: Add prototypes.
        * iresolve.c (gfc_resolve_getcwd, gfc_resolve_getcwd_sub):
        New functions.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Use symbol.

2004-09-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/16485
        * module.c (write_symbol): Don't fill in module name here.
        (write_symbol0): Fill in here instead.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-09-09  Paul Brook  <paul@codesourcery.com>

        * scanner.c (get_file): Add ATTRIBUTE_UNUSED.

2004-09-08  Paul Brook  <paul@codesourcery.com>

        * array.c: Don't include assert.h.
        * data.c: Don't include assert.h.  Replace assert and abort with
        gcc_assert and gcc_unreachable.
        * dependency.c: Ditto.
        * f95-lang.c: Ditto.
        * iresolve.c: Ditto.
        * resolve.c: Ditto.
        * simplify.c: Ditto.
        * symbol.c: Ditto.
        * trans-array.c: Ditto.
        * trans-common.c: Ditto.
        * trans-const.c: Ditto.
        * trans-decl.c: Ditto.
        * trans-expr.c: Ditto.
        * trans-intrinsic.c: Ditto.
        * trans-io.c: Ditto.
        * trans-stmt.c: Ditto.
        * trans-types.c: Ditto.
        * trans.c: Ditto.

2004-09-07  Per Bothner  <per@bothner.com>
        Paul Brook  <paul@codesourcery.com>

        * error.c (show_locus): Handle mapped locations.
        * f95-lang.c (gfc_be_parse_file): Initialize mapped locations.
        * gfortran.h: Include input.h.
        (struct gfc_linebuf): Use source_location.
        * scanner.c (get_file): Initialize linemap.
        (preprocessor_line): Pass extra argument to get_file.
        (load_file): Ditto.  Setup linemap.
        (gfc_new_file): Handle mapped locations.
        * trans-common.c (build_field, build_equiv_decl, build_common_decl):
        Set decl source locations.
        (gfc_trans_common): Set blank common block location.
        * trans-decl.c (gfc_set_decl_location): New function.
        (gfc_get_label_decl, gfc_get_symbol_decl): Use it.
        (trans_function_start): Move call to gfc_set_backend_locus..
        (build_function_decl): ... to here.
        (build_entry_thunks): Set and restore the backend locus.
        (gfc_generate_constructors): Remove excess arguments to
        init_function_start.
        (gfc_generate_block_data): Add comments.  Set the decl locus.
        * trans-io.c (set_error_locus): Handle mapped locations.
        * trans.c (gfc_get_backend_locus, gfc_get_backend_locus): Ditto.
        (gfc_trans_code): Use SET_EXPR_LOCATION.
        (gfc_generate_code): Override the location of the new symbol.
        * trans.h (gfc_set_decl_location): Add prototype.

2004-08-31  Paul Brook  <paul@codesourcery.com>

        * trans-types.c (gfc_type_for_mode): Return NULL for unknown modes.

2004-09-01  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15327
        * trans-intrinsic.c (gfc_conv_intrinsic_merge): Do the right thing for
        strings.

2004-09-01  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/16400
        PR fortran/16404
        (port from g95)
        * resolve.c (resolve_transfer): New function.
        (resolve_code): Call resolve_transfer in case of EXEC_TRANSFER.

2004-08-31  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/16579
        * trans-types.c (gfc_init_types): Make gfc_character1_type_node an
        unsigned char.

2004-08-31  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * CONTRIB, NEWS, README, TODO: Remove obsolete files.

2004-08-31  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/17244
        * trans-types.c (gfc_return_by_reference): Remove TODO error,
        add comment pointing out possible issue WRT compatibility with g77.

2004-08-31  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-decl.c, trans-expr.c, trans-io.c, trans-types.c: Replace
        all occurences of 'gfc_strlen_type_node' by
        'gfc_charlen_type_node'.
        * trans-types.h: Same. Also update comment accordingly.

2004-08-31  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * primary.c: Update copyright boilerplate to say GCC.
        * f95-lang.c: Change initial comment to say gfortran.

2004-08-31  Paul Brook  <paul@codesourcery.com>

        * trans-types.h: Add comments.
        (intmax_type_node, string_type_node, const_string_type_node): Remove.

2004-08-30  Richard Henderson  <rth@redhat.com>

        * Make-lang.in (fortran/f95-lang.o): Update dependencies.
        (fortran/trans-decl.o, fortran/trans-types.o): Likewise.
        * gfortran.h (gfc_integer_info): Add c_char, c_short, c_int,
        c_long, c_long_long.
        (gfc_logical_info): Add c_bool.
        (gfc_real_info): Add mode_precision, c_float, c_double, c_long_double.
        * trans-array.c (gfc_array_allocate): Use TYPE_PRECISION
        rather than gfc_int[48]_type_node for allocate choice.
        * trans-decl.c (gfc_build_intrinsic_function_decls): Cache
        local copies of some kind type nodes.
        (gfc_build_builtin_function_decls): Likewise.
        * trans-expr.c (gfc_conv_power_op): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_index,
        gfc_conv_intrinsic_scan, gfc_conv_intrinsic_verify,
        gfc_conv_intrinsic_trim, gfc_conv_intrinsic_repeat): Likewise.
        * trans-stmt.c (gfc_trans_pause, gfc_trans_stop,
        gfc_trans_character_select, gfc_trans_allocate): Likewise.
        * trans-io.c (gfc_pint4_type_node): Move into ...
        (gfc_build_io_library_fndecls): ... here.  Cache local copies of
        some kind type nodes.
        * trans-types.c (gfc_type_nodes): Remove.
        (gfc_character1_type_node, gfc_strlen_type_node): New.
        (gfc_integer_types, gfc_logical_types): New.
        (gfc_real_types, gfc_complex_types): New.
        (gfc_init_kinds): Fill in real mode_precision.
        (gfc_build_int_type, gfc_build_real_type): New.
        (gfc_build_complex_type, gfc_build_logical_type): New.
        (c_size_t_size): New.
        (gfc_init_types): Loop over kinds.
        (gfc_get_int_type, gfc_get_real_type): Use gfc_validate_kind.
        (gfc_get_complex_type, gfc_get_logical_type): Likewise.
        (gfc_get_character_type_len): Likewise.
        (gfc_type_for_size): Loop over kinds; use a reduced set of
        unsigned type nodes.
        (gfc_type_for_mode): Loop over kinds.
        (gfc_signed_or_unsigned_type): Use gfc_type_for_size.
        (gfc_unsigned_type, gfc_signed_type): Use gfc_signed_or_unsigned_type.
        * trans-types.h (F95_INT1_TYPE, F95_INT2_TYPE, F95_INT4_TYPE,
        F95_INT8_TYPE, F95_INT16_TYPE, F95_REAL4_TYPE, F95_REAL8_TYPE,
        F95_REAl16_TYPE, F95_COMPLEX4_TYPE, F95_COMPLEX8_TYPE,
        F95_COMPLEX16_TYPE, F95_LOGICAL1_TYPE, F95_LOGICAL2_TYPE,
        F95_LOGICAL4_TYPE, F95_LOGICAL8_TYPE, F95_LOGICAL16_TYPE,
        F95_CHARACTER1_TYPE, NUM_F95_TYPES, gfc_type_nodes,
        gfc_int1_type_node, gfc_int2_type_node, gfc_int4_type_node,
        gfc_int8_type_node, gfc_int16_type_node, gfc_real4_type_node,
        gfc_real8_type_node, gfc_real16_type_node, gfc_complex4_type_node,
        gfc_complex8_type_node, gfc_complex16_type_node,
        gfc_logical1_type_node, gfc_logical2_type_node,
        gfc_logical4_type_node, gfc_logical8_type_node,
        gfc_logical16_type_node, gfc_strlen_kind): Remove.
        (gfc_character1_type_node): Turn in to a variable.
        (gfc_strlen_type_node): Likewise.

2004-08-30  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (gfc_namespace): Add new field is_block_data.
        * parse.c (accept_statement): Remove special handling for BLOCK DATA.
        (parse_block_data): Record BLOCK DATA name, set is_block_data field.
        * trans.c (gfc_generate_code): Handle BLOCK DATA units.
        * trans.h (gfc_generate_block_data): Add prototype.
        * trans-decl.c (gfc_generate_block_data): New function.

2004-08-29  Richard Henderson  <rth@redhat.com>

        * trans-const.c (gfc_conv_mpz_to_tree): Use mpz_export.
        * trans-types.c (gfc_init_kinds): Reject integer kinds larger
        than two HOST_WIDE_INT.

2004-08-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13910
        * decl.c (free_variable, free_value, gfc_free_data, var_list,
        var_element, top_var_list, match_data_constant, top_val_list,
        gfc_match_data): Move here from match.c.
        (match_old_style_init): New function.
        (variable_decl): Match old-style initialization.
        * expr.c (gfc_get_variable_expr): New function.
        * gfortran.h (gfc_get_variable_expr): Add prototype.
        * gfortran.texi: Start documentation for supported extensions.
        * match.c: Remove the functions moved to decl.c.
        * match.h (gfc_match_data): Move prototype to under decl.c.
        * symbol.c (gfc_find_sym_tree, gfc_find_symbol): Add/correct
        comments.

2004-08-29  Steven G. Kargl  <kargls@comcast.net>
        Paul Brook  <paul@codesourcery.com>

        * check.c (gfc_check_besn, gfc_check_g77_math1): New functions.
        * f95-lang.c (DO_DEFINE_MATH_BUILTIN): Define.
        (DEFINE_MATH_BUILTIN, DEFINE_MATH_BUILTIN_C): Use it.
        (build_builtin_fntypes): New function.
        (gfc_init_builtin_functions): Use it.
        * gfortran.h (enum gfc_generic_isym_id): Add GFC_ISYM_{J,Y}{0,1,N}
        and GFC_ISYM_ERF{,C}.
        (gfc_c_int_kind): Declare.
        * intrinsic.c (add_functions): Add [d]bes* and [d]erf*.
        * intrinsic.h (gfc_check_besn, gfc_check_g77_math1, gfc_resolve_besn,
        gfc_resolve_g77_math1): Add prototypes.
        * resolve.c (gfc_resolve_besn, gfc_resolve_g77_math1): New functions.
        * mathbuiltins.def: Add comment.  Change third argument.  Use
        DEFINE_MATH_BUILTIN_C.  Add bessel and error functions.
        * trans-intrinsic.c (BUILT_IN_FUNCTION): Define.
        (DEFINE_MATH_BUILTIN, DEFINE_MATH_BUILTIN_C): Use it.
        * trans-types.c (gfc_c_int_kind): Declare.
        (gfc_init_kinds): Set it.

2004-08-29  Steven G. Kargl  <kargls@comcast.net>
        Paul Brook  <paul@codesourcery.com>

        * gfortran.h (enum gfc_generic_isym_id): Add GFC_ISYM_GET?ID.
        (gfc_check_f, gfc_simplify_f): Add f0.
        * intrinsic.c (do_check): Call f0.  Flatten.
        (add_sym_0): Fix prototype.  Set f0.
        (add_functions): Add getgid, getgid and getuid.
        (resolve_intrinsic): Remove obsolete comment.
        (do_simplify): Call f0.
        * intrinsic.h (gfc_resolve_getgid, gfc_resolve_getpid,
        gfc_resolve_getuid): Add prototypes.
        * iresolve.c (gfc_resolve_getgid, gfc_resolve_getpid,
        gfc_resolve_getuid): New functions.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Handle
        GFC_ISYM_GET?ID.

2004-08-28  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * error.c (gfc_error_init_1): Remove blank line in front of
        function body. Add missing blank.
        (gfc_buffer_error, error_char, error_string): Remove blank line in
        front of function body.
        (show_locus): Add comma in comment.
        (gfc_clear_warning, gfc_warning_check, gfc_clear_error,
        gfc_push_error, gfc_pop_error): Remove blank line in front of
        function body.
        (gfc_get_errors): Typo fix in comment in front of function. Remove
        blank line in front of function body.

2004-08-27  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (gfc_default_*_kind): Remove prototypes, add extern
        variable declaration of same name.
        * arith.c, check.c, decl.c, dump_parse_tree.c, expr.c,
        intrinsic.c, io.c, iresolve.c, match.c, options.c, primary.c,
        resolve.c, simplify.c, symbol.c, trans-const.c, trans-io.c:
        Replace all calls to gfc_default_*_kind with variable accesses.
        * trans-types.c: Same as above.
        (gfc_default_*_kind_1): Rename to gfc_default_*_kind, remove
        static qualifier. Replace all occurences.
        (gfc_default_*_kind): Remove functions.

2004-08-26  Richard Henderson  <rth@redhat.com>

        * arith.c: Include system.h, not real system headers.
        (MPZ_NULL, MPF_NULL, DEF_GFC_INTEGER_KIND, DEF_GFC_LOGICAL_KIND,
        DEF_GFC_REAL_KIND, GFC_SP_KIND, GFC_SP_PREC, GFC_SP_EMIN, GFC_SP_EMAX,
        GFC_DP_KIND, GFC_DP_PREC, GFC_DP_EMIN, GFC_DP_EMAX, GFC_QP_KIND,
        GFC_QP_PREC, GFC_QP_EMIN, GFC_QP_EMAX): Remove.
        (gfc_integer_kinds, gfc_logical_kinds, gfc_real_kinds,
        gfc_index_integer_kind, gfc_default_integer_kind,
        gfc_default_real_kind,gfc_default_double_kind,
        gfc_default_character_kind, gfc_default_logical_kind,
        gfc_default_complex_kind, validate_integer, validate_real,
        validate_logical, validate_character,
        gfc_validate_kind): Move to trans-types.c.
        (gfc_set_model_kind): Use gfc_validate_kind.
        (gfc_set_model): Just copy the current precision to default.
        (gfc_arith_init_1): Use mpfr precision 128 for integer setup.
        * f95-lang.c (gfc_init_decl_processing): Invoke gfc_init_kinds.
        * gfortran.h: Update file commentary.
        * trans-types.c (MAX_INT_KINDS, MAX_REAL_KINDS): New.
        (gfc_default_integer_kind_1, gfc_default_real_kind_1,
        gfc_default_double_kind_1, gfc_default_character_kind_1,
        gfc_default_logical_kind_1, gfc_default_complex_kind_1): New.
        (gfc_init_kinds): New.
        (gfc_init_types): Don't set gfc_index_integer_kind here.
        * trans-types.h (gfc_init_kinds): Declare.
        * doc/invoke.texi: Clarify DOUBLE PRECISION behaviour wrt -r8.

2004-08-26  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * check.c (gfc_check_atan2): New function.
        * intrinsic.c (add_functions): Use gfc_check_atan2 for ATAN2
        * intrinsic.h (gfc_check_atan2): Add prototype.

2004-08-25  Richard Henderson  <rth@redhat.com>

        * arith.c (gfc_validate_kind): Add may_fail argument; abort if
        false and we don't validate the kind.
        (gfc_check_integer_range, gfc_check_real_range): Update to match.
        * check.c (kind_check): Likewise.
        * decl.c (gfc_match_old_kind_spec, gfc_match_kind_spec): Likewise.
        (match_char_spec, match_logical_spec): Likewise.
        * gfortran.h (gfc_validate_kind): Likewise.
        * options.c (gfc_handle_option): Likewise.
        * primary.c (match_integer_constant, match_real_constant,
        match_string_constant, match_logical_constant,
        match_const_complex_part): Likewise.
        * simplify.c (get_kind, gfc_simplify_bit_size, gfc_simplify_digits,
        gfc_simplify_epsilon, gfc_simplify_huge, gfc_simplify_ibclr,
        gfc_simplify_ibset, gfc_simplify_ishft, gfc_simplify_ishftc,
        gfc_simplify_maxexponent, gfc_simplify_minexponent,
        gfc_simplify_nearest, gfc_simplify_not, gfc_simplify_precision,
        gfc_simplify_radix, gfc_simplify_range, gfc_simplify_rrspacing,
        gfc_simplify_scale, gfc_simplify_spacing, gfc_simplify_tan,
        gfc_simplify_tiny): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_aint, gfc_conv_intrinsic_mod,
        gfc_conv_intrinsic_minmaxloc, gfc_conv_intrinsic_minmaxval,
        prepare_arg_info): Likewise.

2004-08-25  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * expr.c (gfc_check_assign): Add comment. Add new warning.
        * trans-expr.c (gfc_conv_function_call): Correctly dereference
        result of pointer valued function when not in pointer assignment.

2004-08-25  Paul Brook  <paul@codesourcery.com>

        * config-lang.in: Remove dead commented line.
        * module.c: Replace g95 with gfortran in comment.

2004-08-25  Paul Brook  <paul@codesourcery.com>

        PR fortran/17190
        * arith.c (gfc_mpfr_to_mpz): Workaround mpfr bug.

2004-08-25  Paul Brook  <paul@codesourcery.com>

        PR fortran/17144
        * trans-array.c (gfc_trans_allocate_temp_array): Remove
        string_length argument.
        (gfc_trans_array_ctor_element): New function.
        (gfc_trans_array_constructor_subarray): Use it.
        (gfc_trans_array_constructor_value): Ditto.  Handle constant
        character arrays.
        (get_array_ctor_var_strlen, get_array_ctor_strlen): New functions.
        (gfc_trans_array_constructor): Use them.
        (gfc_add_loop_ss_code): Update to new gfc_ss layout.
        (gfc_conv_ss_descriptor): Remember section string length.
        (gfc_conv_scalarized_array_ref): Ditto.  Remove dead code.
        (gfc_conv_resolve_dependencies): Update to new gfc_ss layout.
        (gfc_conv_expr_descriptor): Ditto.
        (gfc_conv_loop_setup): Ditto.  Spelling fixes.
        * trans-array.h (gfc_trans_allocate_temp_array): Update prototype.
        * trans-const.c (gfc_conv_constant):  Update to new gfc_ss layout.
        * trans-expr.c (gfc_conv_component_ref): Turn error into ICE.
        (gfc_conv_variable): Set string_length from section.
        (gfc_conv_function_call): Remove extra argument.
        (gfc_conv_expr, gfc_conv_expr_reference): Update to new gfc_ss layout.
        * trans-types.c (gfc_get_character_type_len): New function.
        (gfc_get_character_type): Use it.
        (gfc_get_dtype): Return zero for internal types.
        * trans-types.h (gfc_get_character_type_len): Add prototype.
        * trans.h (struct gfc_ss): Move string_length out of union.

2004-08-25  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans.h (build2_v, build3_v): New macros.
        (build_v): Remove.
        * f95-lang.c (gfc_truthvalue_conversion): Use build2 instead of
        build.
        * trans-array.c (gfc_conv_descriptor_data,
        gfc_conv_descriptor_offset, gfc_conv_descriptor_dimension,
        gfc_conv_descriptor_stride, gfc_conv_descriptor_lbound,
        gfc_conv_descriptor_ubound, gfc_trans_allocate_array_storage,
        gfc_trans_allocate_temp_array,
        gfc_trans_array_constructor_subarray,
        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_conv_array_ref, gfc_trans_preloop_setup,
        gfc_trans_scalarized_loop_end, gfc_conv_ss_startstride,
        gfc_conv_loop_setup, gfc_array_init_size,
        gfc_conv_array_initializer, gfc_trans_array_bounds,
        gfc_trans_auto_array_allocation, gfc_trans_dummy_array_bias,
        gfc_conv_expr_descriptor, gfc_conv_array_parameter,
        gfc_trans_deferred_array): Use buildN and buildN_v macros instead
        of build and build_v as appropriate.
        * trans-common.c (create_common): Same.
        * trans-decl.c (gfc_trans_auto_character_variable,
        gfc_trans_entry_master_switch, gfc_generate_function_code): Same.
        * trans-expr.c (gfc_conv_expr_present, gfc_conv_substring,
        gfc_conv_component_ref, gfc_conv_unary_op, gfc_conv_powi,
        gfc_conv_cst_int_power, gfc_conv_string_tmp, gfc_conv_concat_op,
        gfc_conv_expr_op, gfc_conv_function_call,
        gfc_trans_structure_assign): Same.
        * trans-intrinsic.c (build_fixbound_expr, build_round_expr,
        gfc_conv_intrinsic_aint, gfc_conv_intrinsic_bound,
        gfc_conv_intrinsic_cmplx, gfc_conv_intrinsic_mod,
        gfc_conv_intrinsic_dim, gfc_conv_intrinsic_sign,
        gfc_conv_intrinsic_dprod, gfc_conv_intrinsic_minmax,
        gfc_conv_intrinsic_anyall, gfc_conv_intrinsic_count,
        gfc_conv_intrinsic_arith, 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_merge, gfc_conv_intrinsic_strcmp,
        gfc_conv_allocated, gfc_conv_associated, prepare_arg_info,
        gfc_conv_intrinsic_spacing, gfc_conv_intrinsic_rrspacing,
        gfc_conv_intrinsic_trim, gfc_conv_intrinsic_repeat,
        gfc_conv_intrinsic_iargc): Same.
        * trans-io.c (set_parameter_value, set_parameter_ref, set_string,
        set_flag, add_case, io_result, transfer_namelist_element,
        transfer_expr): Same.
        * trans-stmt.c (gfc_trans_goto, gfc_trans_return, gfc_trans_if_1,
        gfc_trans_arithmetic_if, gfc_trans_do, gfc_trans_do_while,
        gfc_trans_integer_select, gfc_trans_logical_select,
        gfc_trans_character_select, gfc_trans_forall_loop,
        gfc_trans_nested_forall_loop, gfc_do_allocate,
        generate_loop_for_temp_to_lhs, generate_loop_for_rhs_to_temp,
        compute_inner_temp_size, compute_overall_iter_number,
        allocate_temp_for_forall_nest, gfc_trans_pointer_assign_need_temp,
        gfc_trans_forall_1, gfc_evaluate_where_mask,
        gfc_trans_where_assign, gfc_trans_allocate): Same.
        * trans-types.c (gfc_get_dtype, gfc_get_array_type_bounds): Same.
        * trans.c (gfc_add_modify_expr, gfc_finish_block,
        gfc_build_array_ref, gfc_build_function_call,
        gfc_trans_runtime_check): Same.

2004-08-25  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-const.c (gfc_conv_mpz_to_tree): Change call to
        build_int_cst to build_int_cst_wide in accordance to Nathan's
        previous patch.

2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>

        * trans-array.c (gfc_trans_array_constructor_value): Adjust
        build_int_cst calls.
        * trans-const.c (gfc_build_string_const, gfc_init_constants,
        gfc_conv_mpz_to_tree, gfc_conv_constant_to_tree): Likewise.
        * trans-decl.c (gfc_get_symbol_decl, build_entry_thunks,
        gfc_trans_entry_master_switch): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_ibits,
        gfc_conv_intrinsic_len, prepare_arg_info): Likewise.
        * trans-io.c (add_case, set_error_locus,
        transfer_namelist_element, transfer_expr): Likewise.
        * trans-stmt.c (gfc_trans_label_assign, gfc_trans_pause,
        gfc_trans_stop, gfc_trans_character_select): Likewise.
        * trans-types.c (gfc_init_types, gfc_get_dtype): Likewise.
        * trans.c (gfc_trans_runtime_check): Likewise.

2004-08-24  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-decl.c, trans-types.c: Add and remove blank lines as
        required.

2004-08-24  Richard Henderson  <rth@redhat.com>

        * trans-const.c (gfc_conv_mpz_to_tree): Fix 64-bit shift warning.

2004-08-24  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * resolve.c (merge_argument_lists): Revert unintentionally
        committed change.

2004-08-24  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-decl.c (build_function_decl): Fix spelling in comment.
        (build_entry_thunks): Remove code with no function.
        (gfc_build_intrinsic_function_decls): Remove empty line.

        * resolve.c (resolve_entries): Fix a bunch of comment typos.

2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>

        * f95-lang.c (gfc_init_decl_processing): Adjust
        build_common_tree_nodes call.

2004-08-24  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-types.c: Spelling and formatting fixes.

2004-08-23  Richard Henderson  <rth@redhat.com>

        * trans-const.c (gfc_conv_mpz_to_tree): Use mpz_getlimbn instead
        of going through an intermediate string.  Fix 32/64 int/long bug.

2004-08-23  Eric Christopher  <echristo@redhat.com>

        * trans-types.c (gfc_type_for_mode): Remove VECTOR_TYPE_SUPPORTED_P
        usage. Use build_vector_type_for_mode for vector types.

2004-08-22  Richard Henderson  <rth@redhat.com>

        PR 13465
        * data.c (find_con_by_offset): Search ordered list; handle
        elements with repeat counts.
        (gfc_assign_data_value_range): New.
        * gfortran.h (struct gfc_data_value): Make repeat unsigned.
        (gfc_assign_data_value_range): Declare.
        * match.c (top_val_list): Extract repeat count into a temporary.
        * resolve.c (values): Make left unsigned.
        (next_data_value): Don't decrement left.
        (check_data_variable): Use gfc_assign_data_value_range.

2004-08-22  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-const.c, trans-decl.c, trans-expr.c: Spelling fixes.

2004-08-22  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * check.c (gfc_check_reduction): Rename to ...
        (check_reduction): ... this. Make static. Don't check type of
        first argument.
        (gfc_check_minval_maxval, gfc_check_prodcut_sum): New functions.
        * intrinsic.c (add_functions): Change MAXVAL, MINVAL, PRODUCT and
        SUM to use new check functions.
        (check_specific): Change logic to call new functions.
        * intrinsic.h (gfc_check_minval_maxval, gfc_check_product_sum):
        Add prototypes.
        (gfc_check_reduction): Remove prototype.

2004-08-20  Paul Brook  <paul@codesourcery.com>
        Canqun Yang  <canqun@nudt.edu.cn>

        PR fortran/17077
        * trans-array.c (gfc_conv_array_parameter): Pass correct pointer
        for automatic arrays.
        * trans-types.c (gfc_get_nodesc_array_type): Add comment.

2004-08-19  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
        (Port from g95)

        PR fortran/17074
        * match.c (match_simple_forall, match_simple_where): Forward-declare.
        (gfc_match_if): Order statement list alphabetically, add WHERE and
        FORALL, remove double PAUSE.
        (gfc_match_simple_where, match_forall_header,
        gfc_match_simple_forall): New functions.
        (gfc_match_forall): Use match_forall_header.

2004-08-19  Paul Brook  <paul@codesourcery.com>

        PR fortran/17091
        * gfortran.h (gfc_access): Give ACCESS_UNKNOWN value 0.
        * symbol.c (gfc_clear_attr): Use memset.

2004-08-19  Paul Brook  <paul@codesourcery.com>

        PR fortran/14976
        PR fortran/16228
        * data.c (assign_substring_data_value): Remove.
        (create_character_intializer): New function.
        (gfc_assign_data_value): Track the typespec for the current
        subobject.  Use create_character_intializer.

2004-08-19  Erik Schnetter  <schnetter@aei.mpg.de>

        PR fortran/16946
        * check.c (gfc_check_reduction): New function.
        (gfc_check_minval_maxval): Removed.
        (gfc_check_product): Removed.
        (gfc_check_sum): Removed.
        * intrinsic.h: Add/remove declarations for these.
        * gfortran.h: Add field f3red to union gfc_check_f.
        * intrinsic.c (add_sym_3red): New function.
        (add_functions): Register maxval, minval, product, and sum intrinsics
        through add_sym_3red.
        (check_specific): Handle f3red union field.
        * iresolve.c: Whitespace change.

2004-08-18  Paul Brook  <paul@codesourcery.com>

        * trans-types.c (gfc_sym_type): Use pointer types for optional args.

2004-08-18  Victor Leikehman  <lei@il.ibm.com>

        PR fortran/13278
        * trans-io.c (transfer_namelist_element): New. Recursively handle
        derived-type variables.  Pass string lengths.
        (build_dt): Code moved to build_namelist, with some
        changes and additions.
        (gfc_build_io_library_fndecls): Declare the fifth
        argument in st_set_nml_var_char -- string_length.

2004-08-17  Paul Brook  <paul@codesourcery.com>
        Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13082
        * decl.c (get_proc_name): Update mystery comment.
        (gfc_match_entry): Check for errors earlier.  Add entry point to list.
        * dump-parse-tree.c (gfc_show_code_node): Print EXEC_ENTRY nodes.
        * gfortran.h (symbol_attribute): Add entry_master.  Document entry.
        (struct gfc_entry_list): Define.
        (gfc_get_entry_list): Define.
        (struct gfc_namespace): Add refs and entries.
        (enum gfc_exec_op): Add EXEC_ENTRY.
        (struct gfc_code): Add ext.entry.
        * module.c (ab_attribute, attr_bits): Remove AB_ENTRY.
        (mio_symbol_attribute): Don't save/reture addr->entry.
        (mio_namespace_ref): Refcount namespaces.
        * parse.c (accept_statement): Handle ST_ENTRY.
        (gfc_fixup_sibling_symbols): Mark symbol as referenced.
        (parse_contained): Fixup sibling references to entry points
        after parsing the procedure body.
        * resolve.c (resolve_contained_fntype): New function.
        (merge_argument_lists, resolve_entries): New functions.
        (resolve_contained_functions): Use them.
        (resolve_code): Handle EXEC_ENTRY.
        (gfc_resolve): Call resolve_entries.
        * st.c (gfc_free_statement): Handle EXEC_ENTRY.
        * symbol.c (gfc_get_namespace): Refcount namespaces.
        (gfc_free_namespace): Ditto.
        * trans-array.c (gfc_trans_dummy_array_bias): Treat all args as
        optional when multiple entry points are present.
        * trans-decl.c (gfc_get_symbol_decl): Remove incorrect check.
        (gfc_get_extern_function_decl): Add assertion.  Fix coment.
        (create_function_arglist, trans_function_start, build_entry_thunks):
        New functions.
        (gfc_build_function_decl): Rename ...
        (build_function_decl): ... to this.
        (gfc_create_function_decl): New function.
        (gfc_generate_contained_functions): Use it.
        (gfc_trans_entry_master_switch): New function.
        (gfc_generate_function_code): Use new functions.
        * trans-stmt.c (gfc_trans_entry): New function.
        * trans-stmt.h (gfc_trans_entry): Add prototype.
        * trans-types.c (gfc_get_function_type): Add entry point argument.
        * trans.c (gfc_trans_code): Handle EXEC_ENTRY.
        (gfc_generate_module_code): Call gfc_create_function_decl.
        * trans.h (gfc_build_function_decl): Remove.
        (gfc_create_function_decl): Add prototype.

2004-08-15  Andrew Pinski  <apinski@apple.com>

        PR fortran/17030
        * f95-lang.c (gfc_init_builtin_functions): Initialize the builtins
        for cabs{,f} and copysign{,f}.
        * trans-decl.c (gfor_fndecl_math_cabsf): Delete.
        (gfor_fndecl_math_cabs): Delete.
        (gfor_fndecl_math_sign4): Delete.
        (gfor_fndecl_math_sign8): Delete.
        (gfc_build_intrinsic_function_decls): Remove the
        initializing of cabs{,f} and copysign{,f} functions.
        * trans-intrinsic.c (gfc_conv_intrinsic_abs): Use the builtins
        instead of the functions definitions.
        (gfc_conv_intrinsic_sign): Likewise.
        * trans.h (gfor_fndecl_math_cabsf): Delete.
        (gfor_fndecl_math_cabs): Delete.
        (gfor_fndecl_math_sign4): Delete.
        (gfor_fndecl_math_sign8): Delete.

2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>

        * trans-array.c (gfc_trans_array_constructor_value): Use
        build_int_cst.
        * trans-const.c (gfc_build_string_const,
        gfc_init_constants, gfc_conv_mpz_to_tree,
        gfc_conv_constant_to_tree): Likewise.
        * trans-decl.c (gfc_get_symbol_decl): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_ibits,
        gfc_conv_intrinsic_len, prepare_arg_info): Likewise.
        * trans-io.c (add_case, set_error_locus, build_dt,
        transfer_expr): Likewise.
        * trans-stmt.c (gfc_trans_label_assign, gfc_trans_pause,
        gfc_trans_stop, gfc_trans_character_select): Likewise.
        * trans-types.c (gfc_init_types, gfc_get_dtype): Likewise.
        * trans.c (gfc_trans_runtime_check): Likewise.

2004-08-14  Paul Brook  <paul@codesourcery.com>

        * trans-decl.c (gfc_build_function_decl): Remove dead code.

2004-08-14  Paul Brook  <paul@codesourcery.com>

        * trans-arry.c (gfc_trans_auto_array_allocation): Remove unused var.

2004-08-13  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h: Add comments.
        * parse.c (parse_contained): Fix comment typo.
        * resolve.c (was_declared): Ditto.
        * symbol.c: Ditto.

2004-08-11  Paul Brook  <paul@codeourcery.com>

        PR fortran/16917
        * intrinsic.c (add_functions): Add dfloat as an alias for dble.

2004-08-10  Richard Henderson  <rth@redhat.com>

        * f95-lang.c (gfc_init_builtin_functions): Remove
         __builtin_stack_alloc, add __builtin_alloca.
        * trans-array.c (gfc_trans_auto_array_allocation): Use DECL_EXPR.
        * trans-decl.c (gfc_trans_auto_character_variable): Likewise.

2004-08-10  Paul Brook  <paul@codesourcery.com>

        * trans-io.c (transfer_expr): Handle pointters.

2004-08-10  Paul Brook  <paul@codesourcery.com>

        PR fortran/16919
        * trans-array.c (gfc_add_loop_ss_code): Handle GFC_SS_COMPONENT.
        (gfc_conv_array_index_offset): Allow "temporary" with nonzero delta.
        (gfc_trans_preloop_setup, gfc_trans_scalarized_loop_boundary):
        Handle GFC_SS_COMPONENT.
        (gfc_conv_ss_startstride): Ditto.  Set ss->shape.
        (gfc_conv_loop_setup): Tweak commends. Remove dead code.
        Use ss->shape.
        (gfc_conv_array_initializer): Call specific initializer routines.
        * trans-expr.c (gfc_trans_structure_assign): New function.
        (gfc_trans_subarray_assign): New function.
        (gfc_trans_subcomponent_assign): New fucntion
        (gfc_conv_structure): Use them.
        * trans.h (gfc_ss_type): Add GFC_SS_COMPONENT.
        (gfc_ss): Add shape.

2004-08-08  Victor Leikehman  <lei@il.ibm.com>

        * simplify.c (gfc_simplify_shape): Bugfix.
        * expr.c (gfc_copy_shape_excluding): New function.
        * gfortran.h (gfc_get_shape): Bugfix.
        (gfc_copy_shape_excluding): Added declaration.
        * iresolve.c (gfc_resolve_all, gfc_resolve_any, gfc_resolve_count,
        gfc_resolve_cshift, gfc_resolve_eoshift, gfc_resolve_lbound,
        gfc_resolve_ubound, gfc_resolve_transpose): Added compile
        time resolution of shape.

2004-08-06  Janne Blomqvist  <jblomqvi@cc.hut.fi>

        * intrinsic.c (add_subroutines): Add getenv and
        get_environment_variable. (add_sym_5s): New function.
        * intrinsic.h (gfc_resolve_get_environment_variable): Add
        prototype.
        * iresolve.c (gfc_resolve_get_environment_variable): New
        function.

2004-08-06  Feng Wang  <fengwang@nudt.edu.cn>

        * f95-lang.c (gfc_init_builtin_functions): Fix the number of
        __builtin_pow[f] arguments.

2004-08-06  Steven G. Kargl  <kargls@comcast.net>

        * arith.c: Add #define for model numbers.  Remove global GMP variables.
        (natural_logarithm,common_logarithm,exponential,sine,
        cosine,arctangent,hypercos,hypersine ): Remove.
        (gfc_mpfr_to_mpz,gfc_set_model_kind,gfc_set_model): New functions.
        (arctangent2,gfc_arith_init_1,gfc_arith_done_1
        gfc_check_real_range, gfc_constant_result, gfc_range_check,
        gfc_arith_uminus,gfc_arith_plus, gfc_arith_minus, gfc_arith_times,
        gfc_arith_divide,complex_reciprocal,complex_pow_ui,
        gfc_arith_power,gfc_compare_expr,compare_complex,gfc_convert_real,
        gfc_convert_complex,gfc_int2real,gfc_int2complex,
        gfc_real2int,gfc_real2real,gfc_real2complex,
        gfc_complex2int,gfc_complex2real,gfc_complex2complex): Convert GMP
        to MPFR, use new functions.
        * arith.h: Remove extern global variables.
        (natural_logarithm,common_logarithm,exponential, sine, cosine,
        arctangent,hypercos,hypersine): Remove prototypes.
        (arctangent2): Update prototype from GMP to MPFR.
        (gfc_mpfr_to_mpz, gfc_set_model_kind,gfc_set_model): Add prototypes.
        * dump-parse-tree.c (gfc_show_expr): Convert GMP to MPFR.
        * expr.c (free_expr0,gfc_copy_expr): Convert GMP to MPFR.
        * gfortran.h (GFC_REAL_BITS): Remove.
        (arith): Add ARITH_NAN.
        Include mpfr.h.  Define GFC_RND_MODE.
        Rename GCC_GFORTRAN_H GFC_GFC_H.
        (gfc_expr): Convert GMP to MPFR.
        * module.c: Add arith.h, correct type in comment.
        (mio_gmp_real): Convert GMP to MPFR.
        (mio_expr):  Use gfc_set_model_kind().
        * primary.c:  Update copyright date with 2004.
        (match_real_constant,match_const_complex_part): Convert GMP to MPFR.
        * simplify.c: Remove global GMP variables
        (gfc_simplify_abs,gfc_simplify_acos,gfc_simplify_aimag,
        gfc_simplify_aint,gfc_simplify_dint,gfc_simplify_anint,
        gfc_simplify_dnint,gfc_simplify_asin,gfc_simplify_atan,
        gfc_simplify_atan2,gfc_simplify_ceiling,simplify_cmplx,
        gfc_simplify_conjg,gfc_simplify_cos,gfc_simplify_cosh,
        gfc_simplify_dim,gfc_simplify_dprod,gfc_simplify_epsilon,
        gfc_simplify_exp,gfc_simplify_exponent,gfc_simplify_floor,
        gfc_simplify_fraction,gfc_simplify_huge,gfc_simplify_int,
        gfc_simplify_ifix,gfc_simplify_idint,gfc_simplify_log,
        gfc_simplify_log10,simplify_min_max,gfc_simplify_mod,
        gfc_simplify_modulo,gfc_simplify_nearest,simplify_nint,
        gfc_simplify_rrspacing,gfc_simplify_scale,
        gfc_simplify_set_exponent,gfc_simplify_sign,gfc_simplify_sin,
        gfc_simplify_sinh,gfc_simplify_spacing,gfc_simplify_sqrt,
        gfc_simplify_tan,gfc_simplify_tanh,gfc_simplify_tiny,
        gfc_simplify_init_1,gfc_simplify_done_1):  Convert GMP to MPFR.
        Use new functions.
        * trans-const.c (gfc_conv_mpfr_to_tree): Rename from
        gfc_conv_mpf_to_tree.  Convert it to use MPFR
        (gfc_conv_constant_to_tree): Use it.
        * trans-const.h: Update prototype for gfc_conv_mpfr_to_tree().
        * trans-intrinsic.c: Add arith.h, remove gmp.h
        (gfc_conv_intrinsic_aint,gfc_conv_intrinsic_mod): Convert GMP to MPFR.

2004-08-06  Victor Leikehman  <lei@il.ibm.com>
        Paul Brook  <paul@codesourcery.com>

        * trans-array.c (gfc_trans_allocate_array_storage,
        gfc_trans_allocate_temp_array, gfc_add_loop_ss_code,
        gfc_conv_loop_setup): For functions, if the shape of the result
        is not known in compile-time, generate an empty array descriptor for
        the result and let the callee to allocate the memory.
        (gfc_trans_dummy_array_bias): Do nothing for pointers.
        (gfc_conv_expr_descriptor): Use function return values directly.
        * trans-expr.c (gfc_conv_function_call): Always add byref call
        insn to pre chain.
        (gfc_trans_pointer_assignment): Add comments.
        (gfc_trans_arrayfunc_assign): Don't chain on expression.

2004-08-01  Roger Sayle  <roger@eyesopen.com>

        * options.c (gfc_init_options): Don't warn about the use GNU
        extensions by default.
        (gfc_post_options): Warn about GNU extensions with -pedantic.
        (gfc_handle_option): Don't warn about GNU extensions with -std=gnu.

2004-07-30  Richard Henderson  <rth@redhat.com>

        * trans-expr.c (gfc_conv_expr_reference): Create a CONST_DECL
        for TREE_CONSTANTs.

2004-07-25  Richard Henderson  <rth@redhat.com>

        * trans-decl.c (gfc_build_function_decl): Set DECL_ARTIFICIAL
        and DECL_IGNORED_P on RESULT_DECL.
        (gfc_generate_constructors): Likewise.

2004-07-18  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/16465
        * lang.opt (ffixed-line-length-none, ffixed-line-length-): New
        options.
        (ffixed-line-length-80, ffixed-line-length-132): Remove.
        * options.c (gfc_handle_options): Deal with changed options.
        * scanner.c (load_line): Change second arg to 'char **',
        allocate if pointing to NULL. Keep track of buffer's length.
        Adapt buffer size to overlong lines. Pad lines to full length
        in fixed form.
        (load_file): Adapt to new interface of load_line.

2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>

        * trans.h (builtin_function): Declare.

2004-07-16  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/16404
        (parts ported from g95)
        * parse.h (gfc_state_data): New field do_variable.
        (gfc_check_do_variable): Add prototype.
        * parse.c (push_state): Initialize field 'do_variable'.
        (gfc_check_do_variable): New function.
        (parse_do_block): Remember do iterator variable.
        (parse_file): Initialize field 'do_variable'.
        * match.c (gfc_match_assignment, gfc_match_do,
        gfc_match_allocate, gfc_match_nullify, gfc_match_deallocate):
        Add previously missing checks.
        (gfc_match_return): Reformat error message.
        * io.c (match_out_tag): New function.
        (match_open_element, match_close_element,
        match_file_element, match_dt_element): Call match_out_tag
        instead of match_vtag where appropriate.
        (match_io_iterator, match_io_element): Add missing check.
        (match_io): Reformat error message.
        (match_inquire_element): Call match_out_tag where appropriate.

        * parse.c (gfc_check_do_variable): Fix error locus.

2004-07-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15129
        * trans-decl.c (gfc_build_function_decl): Create a new chardecl
        for every assumed length character dummy argument.

        PR fortran/15140
        * trans-decl.c (gfc_trans_deferred_vars): Remove bogus assertion.

        PR fortran/13792
        * simplify.c (gfc_simplify_bound): Copy the bound expression.

2004-07-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15324
        * trans-array.c gfc_trans_g77_array,
        gfc_trans_dummy_array_bias): Don't call gfc_trans_string_init
        for assumed length characters.
        (gfc_conv_expr_descriptor): Set se->string_length if dealing
        with a character expression.
        (gfc_cvonv_array_parameter): Pass string length when passing
        character array according to g77 conventions.

2004-07-12  Paul Brook  <paul@codesourcery.com>

        * expr.c (gfc_check_assign_symbol): Handle pointer assignments.
        * trans-array.c (gfc_trans_auto_array_allocation): Remove
        initialization code.
        * trans-common.c (create_common): Use gfc_conv_initializer.
        * trans-decl.c (gfc_get_symbol_decl): Use gfc_conv_initializer.
        * trans-expr.c (gfc_conv_initializer): New function.
        (gfc_conv_structure): Use it.
        * trans.h (gfc_conv_initializer): Add prototype.

2004-07-11  Paul Brook  <paul@codesourcery.com>

        PR fortran/15986
        * parse.c (gfc_fixup_sibling_symbols): Also look for untyped
        variables.
        (parse_contained): Mark contained symbols as referenced.

2004-07-11  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/16455
        * module.c (gfc_dump_module, gfc_use_module): Print locus
        when opening of module file fails.

        PR fortran/16404
        * io.c (match_io): Flag 'WRITE(...), ...' as extension.

        PR fortran/16404
        * match.c (gfc_match_program): A program name is obligatory.
        (gfc_match_return): RETURN in main program is an extension.
        (gfc_match_block_data): A space is required before a block data
        name.

        PR fortran/16433
        * primary.c (match_boz_constant): Call gfc_notify_std only if
        we actually have a non-standard boz-literal-constant.

        PR fortran/15754
        * expr.c (gfc_check_assign): Print ranks if incompatible. Issue
        warning if assigning NULL().

2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * f95-lang.c (set_block): Remove.
        (gfc_clear_binding_stack): New.
        (LANG_HOOKS_CLEAR_BINDING_STACK): Define.
        (struct binding_level): Remove block_created_by_back_end.
        (clear_binding_level): Likewise.
        (poplevel): Don't handle block_created_by_back_end.

2004-07-10  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-decl.c (gfc_create_module_variable): Nothing to do if
        symbol is in common, because we ...
        (gfc_generate_module_vars): Call gfc_trans_common.

2004-07-10  Paul Brook  <paul@codesourcery.com>

        * trans-array.c (gfc_build_null_descriptor): New function.
        (gfc_trans_static_array_pointer): Use it.
        * trans-array.h (gfc_build_null_descriptor): Add prototype.
        * trans-expr.c (gfc_conv_structure): Handle array pointers.

2004-07-10  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/16336
        * decl.c (gfc_match_save): Use-associated common block
        doesn't collide.
        * gfortran.h (gfc_common_head): Add new field 'name'.
        Fix typo in comment after #endif.
        * match.c (gfc_get_common): Add new argument from_common,
        mangle name if flag is set, fill in new field in structure
        gfc_common_head.
        (match_common): Set new arg in call to gfc_get_common,
        use-associated common block doesn't collide.
        * match.h (gfc_get_common): Adapt prototype.
        * module.c (load_commons): Set new arg in call to
        gfc_get_common.
        * symbol.c (free_common_tree): New function.
        (gfc_free_namespace): Call new function.
        * trans-common.c (several functions): Remove argument
        'name', use name from gfc_common_head instead.

2004-07-10  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * expr.c (gfc_check_pointer_assign): Verify that rank of the LHS
        and RHS match. Return early if the RHS is NULL().

        PR fortran/16336
        * match.c (match_common): Fix error reporting for used common.

        PR fortran/15969
        * trans-expr.c (gfc_conv_structure): Handle initialization
        of scalar pointer components.

        * parse.c (decode_statement): Fix matching of BLOCK DATA.

        * trans-decl.c (generate_local_decl): Remove workaround obsoleted
        by fix for PR 15481.