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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        PR fortran/21875 Internal Unit Array I/O, NIST
        * fortran/trans-io.c (gfc_build_io_library_fndecls): Add field for
        array descriptor to IOPARM structure.
        * fortran/trans-io.c (set_internal_unit): New function to generate code
        to store the character (array) and the character length for an internal
        unit.
        * fortran/trans-io (build_dt): Use the new function set_internal_unit.
        
2005-09-14  Paul Thomas  <pault@gcc.gnu.org>

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

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

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

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

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

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

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

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

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

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

        gfortran.texi:  Document IOSTAT= specifier.

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

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

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

        * match.h (gfc_match_equiv_variable): Declare.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * decl.c: Typo in comment.

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

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

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

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

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

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

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.

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

        * trans-common.c: Fix whitespace issues, make variable names
        more readable.
        (create_common): Additionally, make loop logic more obvious.

2004-07-10  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
        Paul Brook  <paul@codesourcery.com>

        PR fortran/13415
        * trans-common.c (calculate_length): Remove ...
        (get_segment_info): Merge into here.  Save field type.
        (build_field): Use saved type.
        (create_common, new_condition, new_segment, finish_equivalences):
        Use new get_segment_info.
        * trans-types.c: Update comment.

2004-07-09  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/14077
        * moduele.c (mio_symbol): Don't I/O initial values unless
        symbol is a parameter.

2004-07-09  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13201
        * resolve.c (resolve_symbol): Verify that the shape of a
        parameter array is not only explicit, but also constant.
        * array.c (gfc_is_compile_time_shape): New function.
        * gfortran.h (gfc_is_compile_time_shape): Add prototype.

2004-07-09  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15481
        PR fortran/13372
        PR fortran/13575
        PR fortran/15978
        * module.c (write_symbol, write_symtree): Remove workaround.
        * primary.c (match_actual_arglist): Enhance comment.
        (gfc_match_rvalue): Handle function call with first argument
        a keyword argument correctly.
        * resolve.c (resolve_symbol): Change call to
        gfc_set_default_type to issue error if no implicit type
        can be found.
        * trans-decl.c (gfc_create_module_variable): Remove workaround.

2004-07-08  Paul Brook  <paul@codesourcery.com>

        * intrinsic.c (add_sym_4s): New function.
        (add_subroutines): Change gfc_add_sym_? to gfc_add_sym_?s.

2004-07-04  Janne Blomqvist  <jblomqvi@cc.hut.fi>
        Paul Brook  <paul@codesourcery.com>

        PR fortran/15280
        PR fortran/15665
        * gfortran.h (enum gfc_generic_isym_id): Add GFC_ISYM_IARGC and
        GFC_ISYM_COMMAND_ARGUMENT_COUNT.
        * intrinsic.c (add_functions):  Identify iargc.  Add
        command_argument_count.
        (add_subroutines): Resolve getarg.  Add get_command and
        get_command_argument.
        * intrinsic.h (gfc_resolve_getarg, gfc_resolve_get_command,
        gfc_resolve_get_command_argument): Add prototypes.
        * iresolve.c (gfc_resolve_getarg, gfc_resolve_get_command,
        gfc_resolve_get_command_argument): New functions.
        * trans-decl.c (gfor_fndecl_iargc): New variable.
        (gfc_build_intrinsic_function_decls): Set it.
        * trans-intrinsic.c (gfc_conv_intrinsic_iargc): New function.
        (gfc_conv_intrinsic_function): Use it.
        * trans.h (gfor_fndecl_iargc): Declare.

2004-07-04  Matthias Klose  <doko@debian.org>

        * Make-lang.in: Generate and install gfortran man page.
        * invoke.texi: Remove extra '@c man end'.

2004-07-04  Richard Henderson  <rth@redhat.com>

        * f95-lang.c (gfc_mark_addressable): Don't put_var_into_stack.

2004-07-04  Paul Brook  <paul@codesourcery.com>

        * decl.c (gfc_match_implicit_range): Don't use typespec.
        (gfc_match_implicit): Handle character selectors.
        * gfortran.h (gfc_set_implicit): Remove prototype.
        (gfc_add_new_implicit_range, gfc_merge_new_implicit): Update.
        * parse.c (accept_statement): Don't call gfc_set_implicit.
        * symbol.c (new_ts): Remove.
        (gfc_set_implicit_none): Use same loop bounds as other functions.
        (gfc_set_implicit): Remove.
        (gfc_clear_new_implicit, gfc_add_new_implicit_range): Only set flags.
        (gfc_merge_new_implicit): Combine with gfc_set_implicit.

2004-06-30  Richard Henderson  <rth@redhat.com>

        * match.c (var_element): Remove unused variable.

        * trans-decl.c (gfc_generate_function_code): Don't set
        x_whole_function_mode_p.
        (gfc_generate_constructors): Likewise.

2004-06-30  Richard Henderson  <rth@redhat.com>

        * trans-decl.c (gfc_generate_function_code): Don't set
        immediate_size_expand.
        (gfc_generate_constructors): Likewise.

2004-06-30  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/16161
        * decl.c (gfc_match_type_spec): Rename second argument to
        'implicit_flag', reverse meaning. Don't match_char_spec if
        'implicit_flag' is set. Rename to ...
        (match_type_spec): ... this.
        (gfc_match_implicit_none, match_implicit_range): Move here
        from match.c.
        (gfc_match_implicit): Move here from match.c, try to
        match_char_len if match_implicit_range doesn't succeed for
        CHARACTER implicits. Call renamed fucntion match_type_spec.
        (gfc_match_data_decl, match_prefix): Call renamed function
        match_type_spec.
        * match.c (gfc_match_implicit_none, match_implicit_range,
        gfc_match_implicit): Move to decl.c.
        * match.h (gfc_match_implicit_none, gfc_match_implicit):
        Move protoypes to section 'decl.c'.
        (gfc_match_type_spec): Remove prototype.

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * decl.c, interface.c, symbol.c, trans-common.c: Add 2004 to
        copyright years.

2004-06-29  Steven Bosscher  <stevenb@suse.de>

        Make sure types in assignments are compatible.  Mostly mechanical.
        * trans-const.h (gfc_index_one_node): New define.
        * trans-array.c (gfc_trans_allocate_array_storage,
        gfc_trans_allocate_temp_array, gfc_trans_array_constructor_subarray,
        gfc_trans_array_constructor_value, gfc_trans_array_constructor,
        gfc_conv_array_ubound, gfc_conv_array_ref,
        gfc_trans_scalarized_loop_end, gfc_conv_section_startstride,
        gfc_conv_ss_startstride, gfc_conv_loop_setup, gfc_array_init_size,
        gfc_trans_array_bounds, gfc_trans_dummy_array_bias,
        gfc_conv_expr_descriptor, gfc_trans_deferred_array): Use the correct
        types in assignments, conversions and conditionals for expressions.
        * trans-expr.c (gfc_conv_expr_present, gfc_conv_substring,
        gfc_conv_unary_op, gfc_conv_cst_int_power, gfc_conv_string_tmp,
        gfc_conv_function_call, gfc_trans_pointer_assignment,
        gfc_trans_scalar_assign): Likewise.
        * trans-intrinsic.c (build_fixbound_expr, gfc_conv_intrinsic_bound,
        gfc_conv_intrinsic_anyall, gfc_conv_intrinsic_count,
        gfc_conv_intrinsic_minmaxloc, gfc_conv_intrinsic_btest,
        gfc_conv_intrinsic_singlebitop, gfc_conv_intrinsic_ishft,
        gfc_conv_intrinsic_ishftc, gfc_conv_intrinsic_strcmp,
        gfc_conv_allocated, gfc_conv_associated,
        gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_trim): Likewise.
        * trans-io.c (set_string): Likewise.
        * trans-stmt.c (gfc_trans_do, gfc_trans_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, gfc_trans_assign_need_temp,
        gfc_trans_pointer_assign_need_temp, gfc_trans_forall_1,
        gfc_evaluate_where_mask, gfc_trans_where_assign,
        gfc_trans_where_2): Likewise.
        * trans-types.c (gfc_get_character_type, gfc_build_array_type,
        gfc_get_nodesc_array_type, gfc_get_array_type_bounds): Likewise.

        * trans.c (gfc_add_modify_expr): Add sanity check that types
        for the lhs and rhs are the same for scalar assignments.

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * dump-parse-tree.c (show_common): New function.
        (gfc_show_namespace): Show commons.

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
        Andrew Vaught  <andyv@firstinter.net>

        PR fortran/13249
        PR fortran/15481
        * decl.c (gfc_match_save): Adapt to new common structures,
        don't allow saving USE-associated common.
        * dump-parse-tree (gfc_show_attr): (saved_)common are not
        symbol attributes any longer.
        (gfc_show_symbol): Don't show old-style commons any longer.
        (gfc_show_namespace): Adapt call to gfc_traverse_symtree to new
        interface.
        * gfortran.h (symbol_attribute): Remove common and saved_common
        attributes.
        (gfc_symbol): Remove common_head element.
        (gfc_common_head): New struct.
        (gfc_get_common_head): New macro.
        (gfc_symtree): Add field 'common' to union.
        (gfc_namespace): Add field 'common_root'; change type of field
        'blank_common' to blank_common.
        (gfc_add_data): New prototype.
        (gfc_traverse_symtree): Expect a symtree as first argument
        instead of namespace.
        * match.c (gfc_get_common): New function.
        (match_common_name): Change to take char * as argument, adapt,
        fix bug with empty name.
        (gfc_match_common): Adapt to new data structures. Disallow
        redeclaration of USE-associated COMMON-block. Fix bug with
        empty common.
        (var_element): Adapt to new common structures.
        * match.h (gfc_get_common): Declare.
        * module.c: Add 2004 to copyright years, add commons to module
        file layout description.
        (ab_attribute, attr_bits, mio_symbol_attributes): Remove code
        for removed attributes.
        (mio_symbol): Adapt to new way of storing common relations.
        (load_commons): New function.
        (read_module): Skip common list on first pass, load_commons at
        second.
        (write_commons): New function.
        (write_module): Call write_commons().
        * symbol.c (gfc_add_saved_comon, gfc_add_common): Remove
        functions related to removed attributes.
        (gfc_add_data): New function.
        (gfc_clear_attr): Don't set removed attributes.
        (gfc_copy_attr): Don't copy removed attributes.
        (traverse_symtree): Remove.
        (gfc_traverse_symtree): Don't traverse symbol
        tree of the passed namespace, but require a symtree to be passed
        instead. Unify with traverse_symtree.
        (gfc_traverse_ns): Call gfc_traverse_symtree according to new
        interface.
        (save_symbol): Remove setting of removed attribute.
        * trans-common.c (gfc_sym_mangled_common_id): Change to
        take 'char *' argument instead of 'gfc_symbol'.
        (build_common_decl, new_segment, translate_common): Adapt to new
        data structures, add new
        argument name.
        (create_common): Adapt to new data structures, add new
        argument name. Fix typo in intialization of derived types.
        (finish_equivalences): Add second argument in call to
        create_common.
        (named_common): take 'gfc_symtree' instead of 'gfc_symbol'.
        (gfc_trans_common): Adapt to new data structures.
        * trans-decl.c (gfc_create_module_variables): Remove test for
        removed attribute.

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * io.c: Add 2004 to copyright years.

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
        Andrew Vaught  <andyv@firstinter.net>

        * gfortran.h (gfc_gsymbol): New typedef.
        (gfc_gsym_root): New variable.
        (gfc_get_gsymbol, gfc_find_gsym): New prototypes.
        * parse.c (global_used): New function.
        (parse_block_data): Check for double empty BLOCK DATA,
        use global symbol table.
        (parse_module): Use global symbol table.
        (add_global_procedure, add_global_program): New functions.
        (gfc_parse_file): Use global symbol table.
        * symbol.c (gfc_gsym_root): New variable.
        (gfc_find_gsym, gsym_compare, gfc_get_gsymbol): New
        functions.

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * module.c (mio_gmp_real): Correct writing of negative numbers.

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15963
        * expr.c (check_intrinsic_op): Allow comparison of characters.
        Make logic easier.

2004-06-26  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
        Andrew Vaught  <andyv@firstinter.net>

        * decl.c (contained_procedure): New function.
        (match_end): Verify correctness of END STATEMENT in
        all cases.

2004-06-26  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
        Andrew Vaught  <andyv@firstinter.net>

        PR fortran/15190
        * decl.c (gfc_match_type_spec), io.c (match_io), parse.c
        (decode_statement): Enforce required space in free-form.

2004-06-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * f95-lang.c (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Deleted.
        * trans-array.c (gfc_conv_descriptor_data): Add operand
        for COMPONENT_REF.
        (gfc_conv_descriptor_offset, gfc_conv_descriptor_dtype): Likewise.
        (gfc_conv_descriptor_dimension, gfc_conv_descriptor_stride): Likewise.
        (gfc_conv_descriptor_lbound, gfc_conv_descriptor_ubound): Likewise.
        * trans-common.c (create_common): Likewise.
        * trans-expr.c (gfc_conv_component_ref): Likewise.
        * trans-io.c (set_parameter_value): Likewise.
        (set_parameter_ref, set_string, set_flag, io_result): Likewise.
        (transfer_expr): Likewise.
        * trans-decl.c (gfc_trans_auto_character_variable):
        Set up to get DECL_SIZE and DECL_SIZE_UNIT gimplified.
        (gfc_gimplify_function): New function.
        (gfc_generate_function-code): Properly handle nested functions.
        * trans.c (gfc_build_array_ref): Add two new operands for ARRAY_REF.

2004-06-22  Janne Blomqvist  <jblomqvi@cc.hut.fi>

        PR fortran/15750
        * io.c (gfc_match_inquire): Bugfix for iolength related stuff.
        (gfc_resolve_inquire): Resolve the iolength tag.  Return
        SUCCESS at end of function if no failure has occured.
        * resolve.c (resolve_code): Resolve if iolength is encountered.
        * trans-io.c: (ioparm_iolength, iocall_iolength,
        iocall_iolength_done): New variables.
        (last_dt): Add IOLENGTH.
        (gfc_build_io_library_fndecls ): Set iolength related variables.
        (gfc_trans_iolength): Implement.
        (gfc_trans_dt_end): Treat iolength as a third form of data transfer.

2004-06-21  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de

        PR fortran/15511
        * scanner.c (load_line): Don't truncate preprocessor lines.
        Reformat error message.
        (preprocessor_line): Issue warning in case of malformed
        preprocessor line.

2004-06-21  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * resolve.c (resolve_symbol): Add comment in function body.
        (check_data_variable): Change type of mark to ar_type, adapt code
        accordingly.

2004-06-21  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * array.c (gfc_insert_constructor): Avoid redundant call to
        mpz_comp. Add 2004 to copyright years.

2004-06-21  Joseph S. Myers  <jsm@polyomino.org.uk>

        * trans.h (stmtblock_t): Change has_scope to unsigned int.

2004-06-20  Steven G. Kargl  <kargls@comcast.net>

        * arith.c (gfc_range_check): correct complex underflow.

2004-06-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15962
        * match.c (match_case_selector): Call gfc_match_init_expr
        instead of gfc_match_expr.
        * resolve.c (validate_case_label_expr): No need to check for
        constant, since it wouldn't have been matched with the fix to
        match.c.

2004-06-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15211
        * trans-intrinsic.c (gfc_conv_intrinsic_len): Deal with arrays
        of strings.

2004-06-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15510
        * trans-deecl.c (generate_local_decl): Do not issue warning for
        unused variables if they're use associated.

2004-06-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
        Andrew Vaught  <andyv@firstinter.net>

        PR fortran/14928
        * gfortran.h (gfc_check_f): Add new field f3ml.
        * check.c (gfc_check_minloc_maxloc): Take argument list instead
        of individual arguments, reorder if necessary.
        * intrinsic.h (gfc_check_minloc_maxloc): ... adapt prototype.
        * intrinsic.c (add_sym_3ml): New function.
        (add_functions): Change to add_sym_3ml for MINLOC, MAXLOC.
        (check_specific): Catch special case MINLOC, MAXLOC.

2004-06-14  Paul Brook  <paul@codesourcery.com>

        * intrinsic.c (add_sym_2s): Use correct function types.

2004-06-12  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * Make-lang.in (F95_OBJS, F95_PARSER_OBJS): Alphabetize.  Move data.c
        * data.c (gfc_get_section_index):  Remove dependency on trans.h.

2004-06-12  Steven G. Kargl  <kargls@comcast.net>

        * check.c (gfc_check_second_sub, gfc_check_irand, gfc_check_rand
        gfc_check_srand, gfc_check_etime, gfc_check_etime_sub): New functions.
        * gfortran.h (gfc_generic_isym_id): New symbols GFC_ISYM_ETIME,
        GFC_ISYM_IRAND, GFC_ISYM_RAND, GFC_ISYM_SECOND.
        * trans-intrinsic.c:  Use symbols.
        * intrinsic.c (add_sym_2s): New function.
        * intrinsic.c: Add etime, dtime, irand, rand, second, srand.
        * intrinsic.h: Function prototypes.
        * iresolve.c (gfc_resolve_etime_sub, gfc_resolve_second_sub
        gfc_resolve_srand):  New functions.

2004-06-12  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/14957
        * decl.c (gfc_match_end): Require END {SUBROUTINE|FUNCTION} for
        contained procedure.

2004-06-12  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/12841
        * interface.c (compare_parameter, compare_actual_formal): Don't
        check types and array shapes for NULL()
        * trans-expr.c (conv_function_call): No double indirection for
        NULL()

2004-06-09  Toon Moene  <toon@moene.indiv.nluug.nl>

        * trans-expr.c (gfc_conv_cst_int_power): Compute
        x**(-n) by converting it to (1/x)**n instead of
        1/x**n.

2004-06-09  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13372
        * module.c (write_symbol, write_symtree): Don't write symbols
        wrongly added to namespace.
        * trans-decl.c (gfc_create_module_variable): Don't create a
        backend decl for a symbol incorrectly added to namespace.

2004-06-09  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13201
        * resolve.c (resolve_symbol): Verify that parameter array has an
        explicit shape. Fix typos and coding style issues in surrounding
        lines.

2004-06-05  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15478
        * gfortran.texi: The documentation doesn't contain infomration on
        how to report bugs, and shouldn't, so remove the line which
        says it does.

2004-06-05  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * intrinsic.c (sort_actual): Keep track of type of missing
        arguments. (Missing from previous commit.)

2004-06-03  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (gfc_actual_arglist): New field missing_arg_type.
        * interface.c (compare_actual_formal): Keep type of omitted
        optional arguments.
        * trans-expr.c (gfc_conv_function_call): Add string length
        argument for omitted string argument.

2004-06-03  Paul Brook  <paul@codesourcery.com>

        * trans.c (gfc_finish_block, gfc_add_expr_to_block): Build statement
        lists instead of compound expr chains.
        (gfc_trans_code): Annotate statement lists.

2004-06-03  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-array.c: Fix spelling in comments.

2004-06-02  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15557
        * data.c (assign_substring_data_value): New function.
        (gfc_assign_data_value): Call the new function if we're dealing
        with a substring LHS.

2004-06-01  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15477
        * gfortran.h (GFC_VERSION): Remove.
        * gfortran.texi (version-gfortran): Remove, replace by version-GCC
        where used.

2004-05-31  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-types.c: Fix spelling & layout in comments.

2004-05-30  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/14067
        * trans-const.c (gfc_conv_string_init): Allow variable string
        length lower than initialization string length.

2004-05-30  Paul Brook  <paul@codesourcery.com>

        PR fortran/15620
        * trans-decl.c (gfc_shadow_sym, gfc_restore_sym): New functions.
        * trans-expr.c (gfc_trans_string_copy): New function.
        (gfc_conv_statement_function): Use them.  Create temp vars.  Enforce
        character lengths.
        (gfc_conv_string_parameter): Use gfc_trans_string_copy.
        * trans-stmt.c (gfc_trans_forall_1): Use gfc_{shadow,restore}_sym.
        * trans.h (struct gfc_saved_var): Define.
        (gfc_shadow_sym, gfc_restore_sym): Add prototypes.

2004-05-30  Steven G. Kargl  <kargls@comcast.net>

        * iresolve.c (gfc_resolve_random_number): Clean up conditional.

2004-05-29  Steven G. Kargl  <kargls@comcast.net>

        * simplify.c (gfc_simplify_log): Remove useless line of code.

2004-05-29  Paul Brook  <paul@codesourcery.com>

        * trans-common.c (find_equivalence): Find multiple rules.

2004-05-27  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * gfortran.h (gfc_current_locus, gfc_set_locus): Remove.
        (gfc_current_locus): Declare new global variable.
        * scanner.c (gfc_current_locus, gfc_set_locus): Remove.
        (gfc_current_locus1): Rename ...
        (gfc_current_locus): ... to this.
        (gfc_at_eof, gfc_at_bol, gfc_at_eol, gfc_advance_line, next_char,
        skip_fixed_comments, skip_free_comments, gfc_next_char_literal,
        gfc_peek_char, gfc_gobble_whitespace, gfc_new_file): Use
        gfc_current_locus instead of gfc_current_locus1, gfc_set_locus()
        and gfc_current_locus(), respectively.
        * array.c (match_subscript, gfc_match_array_ref, match_array_list,
        match_array_cons_element, gfc_match_array_constructor):
        Read/modify gfc_current_locus instead of calling gfc_set_locus()
        and gfc_current_locus().
        * decl.c (gfc_match_null, variable_decl, gfc_match_kind_spec,
        match_attr_spec, gfc_match_function_decl, gfc_match_end,
        attr_decl1, gfc_match_save): Likewise.
        * error.c (error_print, gfc_internal_error): Likewise.
        * expr.c (gfc_int_expr, gfc_default_logical_kind): Likewise.
        * interface.c (gfc_add_interface): Likewise.
        * io.c (gfc_match_format, match_dt_format, match_dt_element,
        match_io_iterator, match_io): Likewise.
        * match.c (gfc_match_space, gfc_match_eos,
        gfc_match_small_literal_int, gfc_match_st_label,
        gfc_match_strings, gfc_match_name, gfc_match_iterator,
        gfc_match_char, gfc_match, gfc_match_assignment,
        gfc_match_pointer_assignment, gfc_match_if, gfc_match_do,
        gfc_match_nullify, gfc_match_call, match_implicit_range,
        gfc_match_implicit, gfc_match_data, match_case_selector,
        gfc_match_case, match_forall_iterator): Likewise.
        * matchexp.c (gfc_match_defined_op_name, next_operator,
        match_level_1, match_mult_operand, match_ext_mult_operand,
        match_add_operand, match_ext_add_operand, match_level_2,
        match_level_3, match_level_4, match_and_operand, match_or_operand,
        match_equiv_operand, match_level_5, gfc_match_expr): Likewise.
        * module.c (gfc_match_use, mio_array_ref, mio_expr): Likewise.
        * parse.c (match_word, decode_statement, next_free, next_fixed,
        add_statement, verify_st_order, parse_if_block, gfc_parse_file):
        Likewise.
        * primary.c (match_digits, match_integer_constant,
        match_boz_constant, match_real_constant, match_substring,
        next_string_char, match_charkind_name, match_string_constant,
        match_logical_constant, match_const_complex_part,
        match_complex_constant, match_actual_arg, match_keyword_arg,
        gfc_match_actual_arglist, gfc_match_structure_constructor,
        gfc_match_rvalue, gfc_match_variable): Likewise.
        * st.c (gfc_get_code): Likewise.
        * symbol.c (check_conflict, check_used, check_done,
        duplicate_attr, add_flavor, gfc_add_procedure, gfc_add_intent,
        gfc_add_access, gfc_add_explicit_interface, gfc_add_type,
        gfc_add_component, gfc_reference_st_label, gfc_new_symbol): Likewise.

2004-05-26  Roger Sayle  <roger@eyesopen.com>

        * io.c (format_asterisk): Silence compiler warnings by correcting
        the number of elements of a "locus" initializer.

2004-05-25  Roger Sayle  <roger@eyesopen.com>

        PR fortran/13912
        * matchexp.c: Allow unary operators after arithmetic operators
        as a GNU extension.
        (match_ext_mult_operand, match_ext_add_operand): New functions.
        (match_mult_operand): Tweak to call match_ext_mult_operand.
        (match_add_operand): Tweak to call match_ext_mult_operand.
        (match_level_2): Rearrange to call match_ext_add_operand.

2004-05-25  Paul Brook  <paul@codesourcery.com>

        * expr.c (check_inquiry): Remove bogus tests.

2004-05-23  Paul Brook  <paul@codesourcery.com>

        PR fortran/13773
        * expr.c (restricted_args): Remove redundant checks/argument.
        (external_spec_function): Update to match.
        (restricted_intrinsic): Rewrite.

2004-05-23  Paul Brook  <paul@codesourcery.com>
        Victor Leikehman  <lei@haifasphere.co.il>

        * gfortran.h (struct gfc_symbol): Add equiv_built.
        * trans-common.c: Change int to HOST_WIDE_INT.  Capitalize error
        messages.
        (current_length): Remove.
        (add_segments): New function.
        (build_equiv_decl): Create initialized common blocks.
        (build_common_decl): Always add decl to bindings.
        (create_common): Create initializers.
        (find_segment_info): Reformat to match coding conventions.
        (new_condition): Use add_segments.
        (add_condition, find_equivalence, add_equivalences): Move iteration
        inside functions.  Only process each segment once.
        (new_segment, finish_equivalences, translate_common): Simplify.

2004-05-23  Steven G. Kargl  <kargls@comcast.net>

        * check.c (gfc_check_random_seed): Issue for too many arguments.

2004-05-22  Steven G. Kargl  <kargls@comcast.net>

        * intrinsic.c (add_subroutines): Use add_sym_3s for random_seed.

2004-05-22  Paul Brook  <paul@codesourcery.com>

        * dump-parse-tree.c (gfc_show_equiv): New function.
        (gfc_show_namespace): Use it.

2004-05-22  Victor Leikehman  <lei@haifasphere.co.il>

        PR fortran/13249
        * symbol.c (gfc_add_common): Disable checks to work around other more
        fundamental inadequacies.

2004-05-22  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-decl.c (gfc_get_extern_function_decl): Set DECL_IS_PURE
        only for functions.
        (gfc_build_function_decl): Likewise.

2004-05-22  Steven G. Kargl  <kargls@comcast.net>

        * check.c (gfc_check_system_clock): New function.
        * intrinsic.c (add_sym_3s): New function.
        (add_subroutines): Use it.
        * intrinsic.h (gfc_check_system_clock, gfc_resolve_system_clock):
        Add prototypes.
        * iresolve.c (gfc_resolve_system_clock): New function.

2004-05-22  Steven G. Kargl  <kargls@comcast.net>

        * invoke.texi: Document -Wunderflow and spell check.
        * lang.opt: Add Wunderflow.
        * gfortran.h (gfc_option_t): Add warn_underflow option.
        * options.c (gfc_init_options, set_Wall): Use it.
        * primary.c (match_real_constant): Explicitly handle UNDERFLOW.
        * arith.c (gfc_arith_uminus, gfc_arith_plus, gfc_arith_minus,
        gfc_arith_times, gfc_arith_divide, gfc_arith_power, gfc_real2real,
        gfc_real2complex, gfc_complex2real, gfc_complex2complex): Ditto.
        * arith.c (common_logarithm): Fix typo in comment.

2004-05-21  Roger Sayle  <roger@eyesopen.com>

        * io.c (check_format): As a GNU extension, allow the comma after a
        string literal to be optional in a format.  Use gfc_notify_std to
        issue an error/warning as appropriate.

2004-05-21  Roger Sayle  <roger@eyesopen.com>

        * io.c (check_format): Use gfc_notify_std to determine whether to
        issue an error/warning for omitting the digits from the X format.

2004-05-20  Roger Sayle  <roger@eyesopen.com>

        * io.c (check_format): Allow the number before the X format to
        be optional when not -pedantic.

2004-05-18  Feng Wang  <fengwang@nudt.edu.cn>
        Paul Brook  <paul@codesourcery.com>

        * f95-lang.c (gfc_init_builtin_functions): Use vold_list_node.
        Create decls for __builtin_pow{,f}.
        * gfortran.h (PREFIX_LEN): Define.
        * trans-decl.c (gfor_fndecl_math_powi): Add.
        (gfor_fndecl_math_powf, gfor_fndecl_math_pow): Remove.
        (gfc_build_intrinsic_function_decls): Create decls for powi.
        * trans-expr.c (powi_table): Add.
        (gfc_conv_integer_power): Remove.
        (gfc_conv_powi): New function.
        (gfc_conv_cst_int_power): New function.
        (gfc_conv_power_op): Use new powi routines.
        * trans.h (struct gfc_powdecl_list): Add.
        (gfor_fndecl_math_powi): Add.
        (gfor_fndecl_math_powf, gfor_fndecl_math_pow): Remove.

2004-05-18  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans.c, trans-decl.c: Fix comment typos.

2004-05-18  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-const.c (gfc_conv_mpf_to_tree): Fix typo.

2004-05-18  Steve Kargl  <kargls@comcast.net>

        * arith.c (gfc_int2complex): Fix incorrect range checking.

2004-05-18  Paul Brook  <paul@codesourcery.com>

        PR fortran/13930
        * decl.c (add_init_expr_to_sym): Remove incorrect check.
        (default_initializer): Move to expr.c.
        (variable_decl): Don't assign default initializer to variables.
        * expr.c (gfc_default_initializer): Move to here.
        * gfortran.h (gfc_default_initializer): Add prototype.
        * resolve.c (resolve_symbol): Check for illegal initializers.
        Assign default initializer.

2004-05-17  Steve Kargl  <kargls@comcast.net>

        * arith.c (gfc_arith_power): Complex number raised to 0 power is 1.

2004-05-17  Steve Kargl  <kargls@comcast.net>

        * arith.c (gfc_real2complex): Range checking wrong part of complex
        number.

2004-05-16  Paul Brook  <paul@codesourcery.com>

        * options.c (gfc_handle_module_path_options): Fix buffer overrun.

2004-05-16  Paul Brook  <paul@codesourcery.com>

        * arith.c (gfc_range_check): Fix logic error.

2004-05-16  Steve Kargl  <sgk@troutmask.apl.washington.edu>

        * arith.c: Fix comment typos.

2004-05-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13742
        * decl.c (add_init_expr_to_sym): Verify that COMMON variable is
        not initialized in a disallowed fashion.
        * match.c (gfc_match_common): Likewise.
        (var_element): Verify that variable is not in the blank COMMON,
        if it is in a common.

2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>

        * Make-lang.in (f95.generated-manpages): Remove.
        (f95.srcextra): New.
        (f95.info, fortran/gfortran.info, fortran/gfortran.dvi,
        f95.maintainer-clean): Generate info and dvi files in objdir/doc.
        (f95.dvi): Remove.
        (dvi): New.
        (f95.install-info): Remove.
        (install-info): New.

2004-05-15  Victor Leikehman  <lei@haifasphere.co.il>

        * decl.c (add_init_expr_to_sym): Check for variable size arrays.

2004-05-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * primary.c (match_boz_constant): Use gfc_notify_std() for
        issuing a warning or an error.

2004-05-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13826
        * primary.c (match_structure_constructor): Rename ...
        (gfc_match_structure_constructor): ... to this. Make non-static.
        (gfc_match_rvalue): Call renamed function.
        * match.h (gfc_match_structure_constructor): Declare.
        * match.c (gfc_match_data_constant): Handle structure
        constructor.

2004-05-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13702
        (Port from g95)
        * gfortran.h (gfc_linebuf): New typedef.
        (linebuf): Remove.
        (gfc_file): Revamped, use new gfc_linebuf.
        (locus): Revamped, use new types.
        (gfc_current_file): Remove.
        (gfc_current_form, gfc_source_file): New global variables.
        * match.c (gfc_match_space, gfc_match_strings): Use
        gfc_current_form to find source form.
        * module.c (gfc_dump_module): Use gfc_source_file when printing
        module header.
        * error.c (show_locus, show_loci) Use new data structures to print
        locus.
        * scanner.c (first_file, first_duplicated_file, gfc_current_file):
        Remove.
        (file_head, current_file, gfc_current_form, line_head, line_tail,
        gfc_current_locus1, gfc_source_file): New global variables.
        (gfc_scanner_init1): Set new global variables.
        (gfc_scanner_done1): Free new data structures.
        (gfc_current_locus): Return pointer to gfc_current_locus1.
        (gfc_set_locus): Set gfc_current_locus1.
        (gfc_at_eof): Set new variables.
        (gfc_at_bol, gfc_at_eol, gfc_advance_line, gfc_next_char): Adapt
        to new locus structure.
        (gfc_check_include): Remove.
        (skip_free_comments, skip_fixed_comments): Use gfc_current_locus1.
        (gfc_skip_comments): Use gfc_current_form, find locus with
        gfc_current_locus1.
        (gfc_next_char): Use gfc_current_form.
        (gfc_peek_char, gfc_gobble_whitespace): Use gfc_current_locus1.
        (load_line): Use gfc_current_form. Recognize ^Z as EOF. Fix
        comment formatting.
        (get_file): New function.
        (preprocessor_line, include_line): New functions.
        (load_file): Move down, rewrite to match new data structures.
        (gfc_new_file): Rewrite to match new data structures.
        * parse.c (next_statement): Remove code which is now useless. Use
        gfc_source_form and gfc_source_file where appropriate.
        * trans-decl.c (gfc_get_label_decl): adapt to new data structures
        when determining locus of frontend code.
        * trans-io.c (set_error_locus): Same.
        * trans.c (gfc_get_backend_locus, gfc_set_backend_locus): Likewise.
        * lang-specs.h (@f77-cpp-input, @f95-cpp-input): Remove '-P' from
        preprocessor flags.
        (all): Add missing initializers.

2004-05-15  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * Make-lang.in (trans-common.o): Remove redundant dependency.
        (data.c): Replace object file name ...
        (data.o): ... by the correct one.

2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * dump-parse-tree.c (gfc_show_array_ref): Print colon only
        for ranges when dumping array references.

2004-05-14  Victor Leikehman  <lei@haifasphere.co.il>

        * decl.c (variable_decl): Always apply default initializer.

2004-05-08  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15206
        * trans-intrinsic.c (gfc_conv_intrinsic_rrspacing): Fixed to
        handle zero correctly.

2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * match.c (gfc_match): Eliminate dead code.

2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * parse.c (gfc_statement_next_fixed): (Change from Andy's tree)
        Detect bad continuation line in fixed form sources.

2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15205
        * iresolve.c (gfc_resolve_nearest): Add new function.
        * intrinsic.h: ... declare it here.
        * intrinsic.c (add_functions): ... add it as resolving function
        for NEAREST.

2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/14066
        * match.c (gfc_match_do): Allow infinite loops with
        label-do-stmt. Do not enforce space after comma.

2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15051
        * parse.c (parse_interface): Allow empty INTERFACE, remove
        seen_body.

2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * Make-lang.in, arith.c, arith.h, array.c, bbt.c, check.c,
        decl.c, dependency.c, dependency.h, dump-parse-tree.c, error.c,
        expr.c, f95-lang.c, gfortran.h, interface.c, intrinsic.c,
        intrinsic.h, io.c, iresolve.c, lang-specs.h, match.c, match.h,
        matchexp.c, misc.c, module.c, options.c, parse.c, parse.h,
        primary.c, resolve.c, scanner.c, simplify.c, st.c, symbol.c,
        trans-array.c, trans-array.h, trans-common.c, trans-const.c,
        trans-const.h, trans-decl.c, trans-expr.c, trans-intrinsic.c,
        trans-io.c, trans-stmt.c, trans-stmt.h, trans-types.c,
        trans-types.h, trans.c, trans.h: Update copyright years and
        boilerplate.
        * data.c: Likewise, also removed two whitespace-only lines.
        * gfortranspec.c, lang.opt: Update copyright years.

2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/14568
        * trans-decl.c (generate_local_decl): Don't warn for unused
        variables which are in common blocks.

2004-05-13  Diego Novillo  <dnovillo@redhat.com>

        * Make-lang.in, f95-lang.c, trans-array.c, trans-decl.c,
        trans-expr.c, trans-intrinsic.c, trans-io.c, trans-stmt.c,
        trans.c: Rename tree-simple.[ch] to tree-gimple.[ch].

2004-05-13  Victor Leikehman  <lei@haifasphere.co.il>

        PR fortran/15314
        * trans-expr.c (gfc_conv_structure): Use field type, not expr type.

2004-05-13  Joseph S. Myers  <jsm@polyomino.org.uk>

        * gfortran.texi: Use @table @emph instead of @itemize @emph.
        Remove "set DEVELOPMENT".
        (Compiling GFORTRAN): Remove.

2004-05-09  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

        * array.c (match_subscript, match_array_ref): Add comments
        explaining argument 'init'.
        * decl.c, f95-lang.c, match.c, resolve.c, trans-array.c,
        trans-expr.c, trans.c: Fix some typos in comments.
        * dump-parse-tree.c (gfc_show_expr): Remove wrong comment.
        * primary.c (match_digits, match_integer_constant): Add comment
        explaining signflag.

2004-05-01  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13940
        * primary.c: Include system.h and flags.h, needed for pedantic.
        (match_boz_constant): Allow "x" for hexadecimal constants, warn if
        pedantic is set.

2004-05-01  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/13940
        * match.c (match_data_constant): Handle case where
        gfc_find_symbol sets sym to NULL

2004-04-28  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

        * Make-lang.in (f95-lang.o, trans-intrinsic.o): Add missing
        dependency on mathbuiltins.def

2004-04-24  Victor Leikehman  <lei@il.ibm.com>

        * trans-io.c (transfer_expr): Implemented recursive printing
        of derived types.

2004-04-24  Andrew Pinski  <pinskia@physics.uc.edu>

        * gfortranspec.c: Do not include multilib.h.

2004-04-24  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

        * trans-intrinsic.c: Fix comment, this is not trans-expr.c. Add
        2004 to copyright years.
        * trans-expr.c, trans-decl.c: Comment update, we now generate
        GENERIC, not SIMPLE. Add 2004 to copyright years.

2004-04-24  Paul Brook  <paul@codesourcery.com>

        * Make-lang.in (gfortranspec.o): Add dependency on $(TM_H).

2004-04-24  Feng Wang  <fengwang@nudt.edu.cn>

        PR 14817
        * arith.c (gfc_arith_divide): Fix complex divide.

2004-04-23  Andrew Pinski  <pinskia@physics.uc.edu>

        * gfortranspec.c: Include the target headers.

2004-04-18  Feng Wang  <fengwang@nudt.edu.cn>

        PR fortran/14921
        PR fortran/14540
        * arith.c (arctangent2): New function.
        * arith.h (arctangent2): Add function prototype.
        * simplify.c (gfc_simplify_atan2): Use it.
        (gfc_simplify_log): Use it.

2004-04-12  Diego Novillo  <dnovillo@redhat.com>

        * fortran/f95-lang.c (gfc_expand_stmt): Remove.
        (LANG_HOOKS_RTL_EXPAND_STMT): Remove.

2004-04-11  Bud Davis  <bdavis9659@comcast.net>

        PR fortran/14872
        * trans-io.c (build_dt): Change REC to value.

2004-04-11  Feng Wang  <fengwang@nudt.edu.cn>

        PR 14394
        * trans-const.c (gfc_conv_mpf_to_tree): Loosen the maximum digits of
        the real value when converting mpf to string.

2004-04-11  Feng Wang  <fengwang@nudt.edu.cn>

        PR 14395
        * trans-intrinsic.c (gfc_conv_intrinsic_cmplx): Fix the imag part of
        the result.

2004-04-11  Feng Wang  <fengwang@nudt.edu.cn>

        PR fortran/14377
        * simplify.c (simplify_min_max): Convert the type of the result.

2004-04-11  Paul Brook  <paul@codesourcery.com>

        * gfortran.texi: Use full target triplet.

2004-04-11  Paul Brook  <paul@codesourcery.com>

        * Make-lang.in (GFORTRAN_TEXI): Set it.
        (fortran/dfortran.dvi): Use it.  Add fortran to include paths.
        (fortran/gfortran.info): Ditto.
        * gfortran.texi: Major update.
        * invoke.texi: New file.

2004-04-10  Paul Brook  <paul@codesourcery.com>

        * trans-array.c (gfc_trans_allocate_temp_array,
        gfc_conv_tmp_array_ref): Don't use GFC_DECL_STRING.
        * trans-decl.c (gfc_build_dummy_array_decl,
        gfc_get_symbol_decl, gfc_build_function_decl,
        gfc_create_module_variable): Ditto.
        * trans-expr.c (gfc_conv_variable): Ditto.
        * trans-intrinsic.c (gfc_conv_intrinsic_len): Ditto.
        * trans.h (GFC_DECL_STRING): Remove.
        (GFC_DECL_PACKED_ARRAY, GFC_DECL_PARTIAL_PACKED_ARRAY,
        GFC_DECL_ASSIGN): Renumber flags.

2004-04-05  Paul Brook  <paul@codesourcery.com>

        PR 13252
        PR 14081
        * f95-lang.c (gfc_init_builtin_functions): Add stack_alloc, stack_save
        and stack_restore.
        * gfortran.h (struct gfc_charlen): Add backend_decl.
        * trans-array.c (gfc_trans_allocate_temp_array,
        gfc_conv_temp_array_ref, gfc_conv_resolve_dependencies,
        (gfc_conv_loop_setup, gfc_array_allocate, gfc_conv_array_init_size):
        Remove old, broken string handling.
        (gfc_trans_auto_array_allocation, gfc_trans_g77_array,
        gfc_trans_dummy_array_bias, gfc_conv_expr_descriptor,
        gfc_trans_deferred_array): Handle character arrays.
        * trans-const.c (gfc_conv_const_charlen): New function.
        * trans-const.h (gfc_conv_const_charlen): Add prototype.
        * trans-decl.c (gfc_finish_var_decl): Don't mark automatic variables
        as static.
        (gfc_build_dummy_array_decl): Handle arrays with unknown element size.
        (gfc_create_string_length): New function.
        (gfc_get_symbol_decl): Create lengths for character variables.
        (gfc_get_fake_result_decl): Ditto.
        (gfc_build_function_decl): Only set length for assumed length
        character arguments.
        (gfc_trans_dummy_character): New function.
        (gfc_trans_auto_character_variable): Rewrite.
        (gfc_trans_deferred_vars): Handle more types of character variable.
        (gfc_create_module_variable): String lengths have moved.
        (gfc_generate_function_code): Initialize deferred var chain earlier.
        * trans-expr.c (gfc_conv_init_string_length): Rename ...
        (gfc_trans_init_string_length):  ... to this.
        (gfc_conv_component_ref, gfc_conv_variable, gfc_conv_concat_op,
        gfc_conv_function_call): Update to new format for character variables.
        (gfc_conv_string_length): Remove.
        (gfc_conv_string_parameter): Update assertion.
        * trans-intrinsic.c (gfc_conv_intrinsic_len): Use new location.
        * trans-io.c (set_string): Use new macro names.
        * trans-stmt.c (gfc_trans_label_assign. gfc_trans_goto): Ditto.
        * trans-types.c (gfc_get_character_type): Use existing length expr.
        (gfc_is_nodesc_array): Make public.
        (gfc_get_dtype_cst): Rename ...
        (gfc_get_dtype): ... to this.  Handle unknown size arrays.
        (gfc_get_nodesc_array_type): Use new name.
        (gfc_sym_type): New character variable code.
        (gfc_get_derived_type): Ditto.
        (gfc_get_function_type): Evaluate character variable lengths.
        * trans-types.h (gfc_strlen_kind): Define.
        (gfc_is_nodesc_array): Add prototype.
        * trans.h: Update prototypes.
        (struct lang_type): Update comments.
        (GFC_DECL_STRING_LEN): New name for GFC_DECL_STRING_LENGTH.
        (GFC_KNOWN_SIZE_STRING_TYPE): Remove.

2004-04-04  Paul Brook  <paul@codesourcery.com>

        * gfortran.h (struct gfc_option_t): Remove flag_g77_calls.
        * options.c (gfc_init.options, gfc_handle_option): Ditto.
        * trans-expr.c (gfc_conv_function_call): Ditto.
        * trans-types.c (gfc_is_nodesc_array): Ditto
        * lang.opt (fg77-calls): Remove.

2004-04-04  Paul Brook  <paul@codesourcery.com>

        * trans-array.c (OFFSET_FIELD): Rename from BASE_FIELD.
        (gfc_conv_descriptor_base): Rename ...
        (gfc_conv_descriptor_offset): ... to this.
        (gfc_trans_allocate_array_storage): Set offset to zero.
        (gfc_conv_array_base): Rename ...
        (gfc_conv_array_offset): ... to this.
        (gfc_conv_array_index_ref): Add offset parameter.
        (gfc_conv_array_ref): Include offset.
        (gfc_trans_preloop_setup): Use existing offset.
        (gfc_trans_allocate_temp_array,  gfc_array_allocate,
        gfc_trans_auto_array_allocation, gfc_trans_g77_array,
        gfc_trans_dummy_array_bias, gfc_conv_expr_descriptor,
        gfc_conf_ss_descriptor): Set offset.
        * trans-array.h: Rename prototypes.
        * trans-const.h (gfc_index_zero_node): Define.
        * trans-decl.c (gfc_build_qualified_array): Change base to offset.
        * trans-types.c (gfc_get_array_type_bounds): Ditto.
        (gfc_get_nodesc_array_type): Calculate offset before upper bound.

2004-03-25  Diego Novillo  <dnovillo@redhat.com>

        * convert.c (convert): Don't handle WITH_RECORD_EXPR.

2004-03-24  Bud Davis  <bdavis9659@comcast.net>

        PR 14055
        * arith.c (gfc_convert_integer,gfc_convert_real):  Removed leading '+'
        before conversion by gmp library call.

2004-03-24  Bud Davis  <bdavis9659@comcast.net>

        PR 12921
        * trans-io.c (gfc_trans_open): Change RECL= to a value parameter.

2004-02-24  Richard Henderson  <rth@redhat.com>

        * trans-array.c (gfc_trans_dummy_array_bias): Fix typo.

2004-02-19  Loren J. Rittle  <ljrittle@acm.org>

        * Make-lang.in ($(srcdir)/fortran/gfortran.info): Move...
        (fortran/gfortran.info): ... to here.
        (f95.srcinfo): New.

2004-02-16  Richard Henderson  <rth@redhat.com>

        * Make-lang.in (f95-lang.o, trans-decl.o): Depend on cgraph.h.
        * f95-lang.c (LANG_HOOKS_EXPAND_DECL): Remove.
        (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): New.
        (gfc_expand_function): Rename from expand_function_body, make static,
        don't do anything except invoke tree_rest_of_compilation.
        (gfc_be_parse_file): Invoke cgraph.
        (gfc_expand_decl): Remove.
        (gfc_init_builtin_functions): Add __builtin_init_trampoline and
        __builtin_adjust_trampoline.
        * trans-decl.c (gfc_get_extern_function_decl): Don't set DECL_CONTEXT.
        (gfc_finalize): New.
        (gfc_generate_function_code): Use it.  Lower nested functions.
        * trans-expr.c (gfc_conv_function_call): Add static chain operand
        to call_expr.
        * trans.c (gfc_build_function_call): Likewise.
        * trans.h (expand_function_body): Remove.

2004-02-15  Victor Leikehman  <lei@il.ibm.com>

        PR gfortran/13433
        * trans-decl.c (gfc_build_function_decl) For functions
        returning CHARACTER pass an extra length argument,
        following g77 calling conventions.
        * trans-types.c (gfc_get_function_type) Ditto.
        * trans-expr.c (gfc_conv_function_call) Ditto.

2004-02-14  Paul Brook  <paul@codesourcery.com>

        * f95-lang.c (gfc_init_builtin_functions): Build chain properly.

2004-02-12  Paul Brook  <paul@nowt.org>

        * BUGS: Remove.

2004-02-08  Steve Kargl  <sgk@troutmask.apl.washington.edu>

        * gfortran.texi: Fix typos.

2004-02-07  Bud Davis  <bdavis9659@comcast.net>

        PR gfortran/13909
        * intrinsic.c (add_conversions) Use logical conversion instead
        of real.
        * trans-types.c (gfc_get_logical_type) implemented logical*1
        and logical*2.

2004-01-17  Paul Brook  <paul@codesourcery.com>

        * lang-specs.h: Remove %<fixed-form.

2004-01-15  Toon Moene  <toon@moene.indiv.nluug.nl>

        * lang-specs.h: Enable preprocessing of source files
        ending in .F, .fpp, .FPP, .F90 and .F95.

2004-01-13  Toon Moene  <toon@moene.indiv.nluug.nl>

        PR fortran/12912
        * lang-specs.h: Enable compilation of files ending
        in .f, .for and .FOR.

2004-01-11  Paul Brook  <paul@codesourcery.com>

        * trans-stmt.c (gfc_trans_if_1): New function.
        (gfc_trans_if): Use it.

2004-01-11  Erik Schnetter  <schnetter@uni-tuebingen.de>

        * gfortran.h (GFC_MAX_SYMBOL_LEN): Increase.
        (gfc_option_t): Add max_identifier_length.
        * lang.opt: Add fmax-identifier-length.
        * match.c (parse_name): Use limit.
        * options.c (gfc_init_options): Set max_identifier_length.
        (gfc_handle_option): Ditto.

2004-01-11  Feng Wang  <fengwang@nudt.edu.cn>

        * intrinsic.c (add_functions): Add resolve function to dcmplx.
        * intrinsic.h (gfc_resolve_dcmplx): Add prototype.
        * iresolve.c (gfc_resolve_dcmplx): New function.

2004-01-10  Paul Brook  <paul@codesourcery.com>

        * trans-decl.c (gfc_get_symbol_decl): Don't set subroutine attr.
        * trans-types.c (gfc_sym_type): Handle external dummy procedures.
        (gfc_return_by_reference): Correct condition.
        (gfc_get_function_type): Ditto.

2004-01-10  Paul Brook  <paul@codesourcery.com>

        * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Convert mismatched
        types.

2004-01-10  Huang Chun  <chunhuang73@hotmail.com>

        * iresolve.c: Use correct kind.

2004-01-10  Huang Chun  <chunhuang73@hotmail.com>

        PR fortran/13467
        * trans-decl.c (gfc_create_module_variable):  Output array valued
        parameters.

2004-01-10  Paul Brook  <paul@codesourcery.com>

        * resolve.c (resolve_branch): Get error message right way round.

2004-01-10  Canqun Yang  <canqun@nudt.edu.cn>

        * trans-array (gfc_conv_loop_setup): Adjust comment to track
        reality.
        (gfc_array_allocate): Don't count size of element twice.

2004-01-04  Paul Brook  <paul@codesourcery.com>

        * lang.opt (i8, r8, std=*): Remove RejectNegative.

2004-01-04  Paul Brook  <paul@codesourcery.com>

        * error.c (gfc_notify_std): New function.
        * gfortran.h (gfc_notify_std): Declare.
        (GFC_STD_*): Define.
        (gfc_option_t): Add warn_std and allow_std.
        * intrinsic.c (gfc_init_expr_extensions): Fix logic.
        (gfc_intrinsic_func_interface): Use gfc_notify_std.
        * check.c (check_rest): Use gfc_notify_std.
        * match.c (gfc_match_pause): Ditto.
        (gfc_match_assign): Ditto.
        (gfc_match_goto): Ditto.
        * resolve.c (resolve_branch): Ditto.
        * lang.opt: Add std=<foo> and w.
        * options.c (gfc_init_options): Set allow_std and warn_std.
        (gfc_handle_option): Handle OPT_std_* and OPT_w.

2004-01-01  Paul Brook  <paul@codesourcery.com>

        * array.c (gfc_append_constructor): Take constructor, not expression.
        * data.c (struct gfc_expr_stack): Remove.
        (expr_stack): Remove.
        (find_con_by_offset): Rename from find_expr_in_con.
        (find_con_by_component): Rename from find_component_in_con.
        (gfc_get_expr_stack): Remove.
        (gfc_assign_data_value): Rewrite.
        (gfc_expr_push): Remove.
        (gfc_expr_pop): Remove.
        (gfc_advance_section): Rename from
        gfc_modify_index_and_calculate_offset.  Handle unbounded sections.
        (gfc_get_section_index): Handle unbounded sections.
        * gfortran.h: Update prototypes.
        * resolve.c (check_data_variable): Array section maight not be the
        last ref.

2004-01-01  Paul Brook  <paul@codesourcery.com>

        PR fortran/13432
        * resolve.c (resolve_symbol): Allow assumed length function results.

2004-01-01  Steve Kargl  <sgk@troutmask.apl.washington.edu>

        * match.c (gfc_match_pause): Fix spelling.

2004-01-01  Steven Bosscher  <stevenb@suse.de>

        PR fortran/13251
        * trans-expr.c (gfc_conv_variable): Take the type kind of a substring
        reference from the expression.

2003-12-26  Feng Wang  <fengwang@nudt.edu.cn>

        * dump-parse-tree.c (gfc_show_code_node): Add ASSIGN and ASSIGNED GOTO
        dumping.
        * gfortran.h (gfc_statement): New ST_LABEL_ASSIGNMENT.
        (gfc_exec_op): New EXEC_LABEL_ASSIGN.
        (symbol_attribute):New variable attribute: assign.
        * io.c (resolve_tag):Integer variable is allowed.
        (match_dt_format): Add ASSIGN statement. Set assign flag.
        * match.c (gfc_match_if): Change ST_NONE to ST_LABEL_ASSIGNMENT.
        (gfc_match_assign): Add ASSIGN statement. Set assign flag.
        (gfc_match_goto): Add ASSIGNED GOTO statement. Set assign flag.
        * parse.c (decode_statement): Add ST_LABEL_ASSIGNMENT.
        (next_statement): Add ST_LABEL_ASSIGNMENT.
        (gfc_ascii_statement): Add ST_LABEL_ASSIGNMENT.
        * resolve.c (resolve_code): Resolve ASSIGN and ASSIGNED GOTO statement.
        (resolve_blocks): Resolve ASSIGNED GOTO statement label list.
        * st.c (gfc_free_statement): Add EXEC_LABEL_ASSIGN.
        * trans-decl.c (gfc_get_symbol_decl): Create the shadow variable for
        assign.  Put them into the stuct lang_decl.
        * trans-io.c (set_string): Add the assign statement.
        * trans-stmt.c (gfc_trans_label_assign): New function.
        (gfc_trans_goto): Translate ASSIGNED GOTO statement.
        * trans-stmt.h (gfc_trans_label_assign): Added function prototype.
        * trans.c (gfc_trans_code): Add EXEC_LABEL_ASSIGN.
        * trans.h (lang_decl):Add shadow variable decl tree needed by assign.
        (GFC_DECL_ASSIGN_ADDR(node)): New macro to access this.
        (GFC_DECL_ASSIGN(node)): New macro to access flag.

2003-12-31  Huang Chun  <chunhuang73@hotmail.com>

        PR fortran/13434
        * trans-intrinsic.c (gfc_conv_intrinsic_minmaxval): Fixed bug in
        minval/maxval.

2003-12-22  Toon Moene  <toon@moene.indiv.nluug.nl>

        * options.c (gfc_init_options): Set flag_argument_noalias to 2, to indicate
        that arguments to subroutines/functions can't alias themselves, nor global
        memory.

2003-12-20  Steven Bosscher  <stevenb@suse.de>

        * trans-expr.c (gfc_conv_expr_op): Fold the result expression.
        * trans.c (gfc_add_modify_expr, gfc_add_expr_to_block): Likewise.

2003-12-12  Huang Chun  <chunhuang73@hotmail.com>

        * primary.c (match_substring): Fix substring bug for start point
        or end point is NULL.
        * trans-expr.c (gfc_conv_substring): Ditto
        * trans-types.c (gfc_sym_type): Get correct type of scalar
        character variables.
        * trans-intrinsic.c (gfc_conv_intrinsic_len): Handle character in
        derived type.

2003-12-10  Richard Henderson  <rth@redhat.com>

        * options.c (gfc_post_options): Don't ever use rtl inlining.

2003-12-05  Canqun Yang  <canqun@nudt.edu.cn>

        * trans-common.c: Re-implement COMMON blocks and EQUIVALENCE lists.
        * trans-equivalence.c: Remove.
        * trans-decl.c (gfc_get_symbol_decl): Update to match.
        (gfc_generate_function_code): Ditto.
        * trans-array.c (gfc_conv_array_parameter): Ditto.
        * Make-lang.in (F95_OBJS): Remove fortran/trans-equivalence.o
        (F95_ADDITIONAL_OBJS): Add stor-layout.o
        * trans.h (gfc_trans_equivalence): Remove.
        * gfortran.h (struct gfc_equiv): Add used field.
        (struct gfc_symbol): Remove addr_base, addr_offset, equiv_ring,
        equiv_offset fields.

2003-12-05  Richard Henderson  <rth@redhat.com>

        * trans.c (gfc_build_addr_expr): New.
        (gfc_build_indirect_ref, gfc_build_array_ref): New.
        * trans.h: Declare them.
        * trans-array.c, trans-expr.c, trans-intrinsic.c, trans-io.c,
        trans-stmt.c, trans.c (*): Use them.

        * f95-lang.c (gfc_post_options): Remove dead prototype.
        * trans-array.c (gfc_trans_deferred_vars): Remove unused variable.
        * trans-stmt.c (gfc_evaluate_where_mask): Fix temporary_list
        allocation size.

2003-12-01  Feng Wang  <fengwang@nudt.edu.cn>

        * io.c (gfc_match_format): Check for missing format label.

2003-11-30 Huang Chun  <chunhuang73@hotmail.com>

        PR fortran/13155
        * trans-decl.c (gfc_sym_mangled_function_id): Don't mangle symbols
        from interfaces in modules.

2003-11-30  Paul Brook  <paul@nowt.org>

        * trans-array.c (gfc_trans_g77_array): Make non-static.
        (gfc_trans_assumed_size): Remove.
        (gfc_trans_dummy_array_bias): Explicitly free temporary.
        * trans-array.h (gfc_trans_g77_array): Add prototype.
        (gfc_trans_assumed_size): Remove.
        * trans-decls.c (gfor_fndecl_push_context): Remove.
        (gfor_fndecl_pop_context): Remove.
        (gfc_build_function)decls): Don't create them.
        (gfc_trans_deferred_vars): Update to match. Remove dead code.
        * trans-stmt.c (gfc_trans_pointer_assign_need_temp): Free temp.

2003-11-30  Kejia Zhao  <kejia_zh@nudt.edu.cn>

        * trans-array.c (gfc_conv_array_parameter): Simplify
        array argument passing for array name actual argument.
        * trans-expr.c (gfc_conv_function_call): Ditto
        * trans-types.c (gfc_is_nodesc_array):Ditto.

2003-11-30  Paul Brook  <paul@nowt.org>

        * f95-lang.c (gfc_post_options): Move ...
        * options.c (gfc_post_options): .. to here.  Handle inlining options.
        * gfortran.h (gfc_post_options): Add prototype.

2003-11-28  Richard Henderson  <rth@redhat.com>

        * trans.c (gfc_create_var_np): Use create_tmp_var_raw.

2003-11-28 Huang Chun  <chunhuang73@hotmail.com>

        * trans.h (has_alternate_specifier): New global variable.
        * match.c (gfc_match_call): Handle actual arguments associated with
        alternate return indicators.
        * trans-expr.c (gfc_conv_function_call): Ditto
        * trans-stmt.c (gfc_trans_call): Ditto
        (gfc_trans_return): Handle return statement with value.
        * trans-decl.c (gfc_generate_function_code): Handle functions with
        asterisk dummy.
        (gfc_get_fake_result_decl): Ditto
        * trans-types.c (gfc_get_function_type): Ditto
        * resolve.c (resolve_actual_arglist): Check alternate return indicators.
        (resolve_formal_arglist): Check asterisk dummy.

2003-11-27  Paul Brook  <paul@nowt.org>

        * trans-array.c (gfc_tran_allocate_array_storage): Use new memory
        allocation interface.
        (gfc_conv_ array_parameter): Ditto.
        (gfc_trans_auto_array_allocation): Ditto. Also free the memory.
        * trans-array.c: Update prototype.
        * trans-decl.c (gfc_build_builtin_function_decls): Update prototypes.
        (gfc_trans_auto_character_variable): Use new memory alloc interface.
        * trans-expr.c (gfc_conv_string_tmp): Ditto.
        (gfc_conv_function_call): Use gfc_conv_string_tmp.
        * trans-stmt.c (gfc_do_allocate):  Use new memory alloc interface.
        * trans-intrinsic.c (gfc_conv_intrinsic_trim): Ditto.
        * trans.h (gfc_ss_info): Remove unused pdata field.
        * trans.c (gfc_create_var_np): Change T to V.

2003-11-26  Richard Henderson  <rth@redhat.com>

        * mathbuiltins.def: Move acos, asin, cosh, log10, sinh, tanh from ...
        * trans-intrinsic.c (gfc_intrinsic_map): ... here.  Add SCALE,
        FRACTION, NEAREST, SET_EXPONENT.
        (gfc_intrinsic_map_t): Add libm_name, complex_available, is_constant.
        Fix GTY marking.  Remove unnecessary const's.
        (LIBM_FUNCTION): Rename from I_LIB.
        (LIBF_FUNCTION): New.
        (gfc_get_intrinsic_lib_fndecl): Handle libm and libgfortran naming
        conventions.  Assume the expr signature is correct.  Mark const.
        (gfc_conv_intrinsic_exponent): Use library functions.
        (gfc_conv_intrinsic_set_exponent): Remove.
        (gfc_conv_intrinsic_scale): Remove.
        (gfc_conv_intrinsic_nearest): Remove.
        (gfc_conv_intrinsic_fraction): Remove.
        (gfc_conv_intrinsic_function): Update.
        * trans-decl.c (gfor_fndecl_math_exponent4): New.
        (gfor_fndecl_math_exponent8): New.
        (gfc_build_intrinsic_function_decls): Set them.
        * trans.h: Declare them.

2003-11-25  Canqun Yang  <canqun@nudt.edu.cn>

        * trans-common.c (gfc_layout_global_equiv): Locate the error for
        underflow COMMON block.
        (gfc_trans_one_common): Fix bug for size of COMMON block containing
        EQUIVALENCE object. Also fix typo in an error message.

2003-11-25  Diego Novillo  <dnovillo@redhat.com>

        * Make-lang.in: Add check-gfortran to lang_checks.
        (check-f95): Alias for check-gfortran.

2003-11-25  Jason Merrill  <jason@redhat.com>

        * Make-lang.in (f95.tags): Create TAGS.sub files in each
        directory and TAGS files that include them for each front end.

2003-11-24  Paul Brook  <paul@nowt.org>

        PR fortran/13154
        * trans-decl.c (gfc_greate_module_variable): Skip COMMON blocks.

2003-11-24  Paul Brook  <paul@nowt.org>

        * expr.c (simplify_const_ref): Return SUCCESS for things we don't
        handle.
        * resolve.c (gfc_resolve_expr): Resolve contents before rank/shape.

2003-11-24  Paul Brook  <paul@nowt.org>

        PR fortran/13105
        * array.c (gfc_array_ref_shape): Handle elemental dimensions.
        * trans-array.c (gfc_trans_preloop_setup): Use correct dim lookup.

2003-11-20  Richard Henderson  <rth@redhat.com>

        * trans-array.c (gfc_trans_allocate_array_storage): Use convert.
        (gfc_conv_array_base): Likewise.
        * trans-decl.c (gfc_trans_auto_character_variable): Likewise.
        * trans-expr.c (gfc_conv_string_tmp): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_trim): Likewise.
        * trans-stmt.c (gfc_trans_character_select): Likewise.

2003-11-13  Paul Brook  <paul@nowt.org>

        * trans-decl.c (gfc_sym_mangled_function_id): Dont mangle externals.

2003-11-13  Canqun Yang  <canqun@nudt.edu.cn>

        * resolve.c (gfc_resolve): Also resolve EQUIVALENCE objects.
        (resolve_equivalence): New function.
        (resolve_equivalence_derived): New function.

2003-11-12  Richard Henderson  <rth@redhat.com>

        * trans.c (gfc_trans_code): Use annotate_with_locus instead of
        annotate_all_with_locus.

2003-11-11  Canqun Yang  <canqun@nudt.edu.cn>

        * options.c (gfc_init_options): Set flag_max_stack_var_size as 32768.
        * trans-decl.c (gfc_finish_var_decl): Modified.

2003-11-08  Paul Brook  <paul@nowt.org>

        PR fortran/12704
        * trans-intrinsic.c (gfc_conv_intrinsics_minmaxloc): Handle zero-size
        arrays.

2003-11-06  Paul Brook  <paul@nowt.org>

        * trans-intrinsic.c (gfc_conv_intrinsics_minmaxloc): Initialize pos.

2003-11-02  Canqun Yang  <canqun@nudt.edu.cn>

        * match.c (gfc_match_stopcode): Assign '0' to stop_code.

2003-10-27  Anthony Green  <green@redhat.com>

        * Make-lang.in (f95.stageprofile): Use tabs, not spaces.
        (f95.stagefeedback): Ditto.

2003-10-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR fortran/12682
        * Make-lang.in (f95.stageprofile): Add.
        (f95.stagefeedback): Add.

2003-10-23  Richard Henderson  <rth@redhat.com>

        * f96-lang.c (gfc_gimplify_expr): Remove.
        (LANG_HOOKS_GIMPLIFY_EXPR): Remove.
        (LANG_HOOKS_GIMPLE_BEFORE_INLINING): New.

2003-10-23  Richard Henderson  <rth@redhat.com>

        * f95-lang.c (gfc_gimplify_expr): Return gimplify_status.

2003-10-20  Paul Brook  <paul@nowt.org>

        * trans-expr.c (gfc_conv_integer_power): Use boolean_type_node.
        * trans-stmt.c (gfc_trans_do_while): Ditto.

2003-10-17  Paul Brook  <paul@nowt.org>

        * simplify.c (gfc_simplify_shape): Use gfc_array_dimen_size.

2003-10-17  Paul Brook  <paul@nowt.org>

        * trans-io.c (gfc_build_io_library_fndecls): Set TREE_PUBLIC.

2003-10-17  Feng Wang  <wf_cs@yahoo.com>

        * iresolve.c (gfc_resolve_maxloc): Change the result's kind and type.
        (gfc_resolve_minloc): Ditto.
        * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Use correct types.
        Return the value after subtracting the lower bound.

2003-10-16  Richard Henderson  <rth@redhat.com>

        * f95-lang.c (expand_function_body): Don't check flag_disable_gimple.

2003-10-16  Steven Bosscher  <steven@gcc.gnu.org>

        * lang.c: Remove -M option for now, it's in the way for C.

2003-10-14  Jason Merrill  <jason@redhat.com>

        * Make-lang.in (f95.tags): New rule.

2003-10-13  Richard Henderson  <rth@redhat.com>

        * trans.c (gfc_trans_code): Use annotate_all_with_locus.

2003-10-13  Paul Brook  <paul@nowt.org>

        * trans-decl.c (generate_local_decl): Don't create junk variables.

2003-10-13  Paul Brook  <paul@nowt.org>

        * resolve.c (resolve_formal_arglist): Use function result decl in
        preference to function decl.

2003-10-12  Richard Henderson  <rth@redhat.com>

        * f95-lang.c (gfc_define_builtin): New const_p argument.  Set
        TREE_READONLY.  Update all callers.

2003-10-12  Feng Wang  <wf_cs@yahoo.com>

        * iresolve.c (gfc_resolve_cshift): Change to match implementation.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Remove CSHIFT.
        (gfc_is_intrinsic_libcall): Add CSHIFT.

2003-10-12  Richard Henderson  <rth@redhat.com>

        * trans-array.c (gfc_trans_static_array_pointer): Set TREE_INVARIANT.
        (gfc_trans_array_constructor_value): Likewise.
        (gfc_conv_array_initializer): Likewise.
        * trans-stmt.c (gfc_trans_character_select): Likewise.

2003-11-12  Kejia Zhao  <kejia_zh@yahoo.com.cn>

        * trans-intrinsic.c (integer_kind_info, real_kind_info): Remove.

2003-10-11  Huang Chun  <jiwang@mail.edu.cn>

        * check.c (gfc_check_repeat): Check arguments are scalar.
        (gfc_check_trim): New function.
        * intrinsic.h (gfc_check_trim): Add prototype.
        * intrinsic.c (add_functions): Use it.
        * trans.h (gfor_fndecl_string_trim, gfor_fndecl_string_repeat):
        Decalare.
        * trans-decl.c: Ditto.
        (gfc_build_intrinsic_fucntion_decls): Set them.
        * trans-intrinsic.c (gfc_conv_intrinsic_len): Handle result vars.
        (gfc_conv_intrinsic_trim): New function.
        (gfc_conv_intrinsic_repeat): New function.
        (gfc_conv_intrinsic_function): Use them.

2003-10-11  Huang Chun  <jiwang@mail.edu.cn>

        * trans-types.c (gfc_sym_type): Handle result variables.

2003-10-11  Huang Chun  <jiwang@mail.edu.cn>

        * trans-intrinsic.c (gfc_conv_intrinsic_char): Don't use
        gfc_get_character_type.

2003-10-11  Feng Wang  <wf_cs@yahoo.com>

        * trans-expr.c (gfc_conv_variable): Check sym->ts, not the decl.

2003-10-11  Paul Brook  <paul@nowt.org>

        * iresolve.c (gfc_resolve_dint, gfc_resolve_dnint): New functions.
        (gfc_resolve_dprod): New function.
        (gfc_resolve_aint, gfc_resolve_anint): Only base name on arg type.
        * intrinsic.h (gfc_resolve_dint, gfc_resolve_dnint): Declare.
        (gfc_resolve_dprod): Declare.
        * intrinsic.c (add_functions): Use them.
        * trans-decl.c (gfc_get_extern_function_decl): Only pass one arg.

2003-10-06  Richard Henderson  <rth@redhat.com>

        * f95-lang.c (gfc_init_builtin_functions): Add clzll.
        * trans-intrinsic.c (call_builtin_clz): Use it.

2003-10-05  Paul Brook  <paul@nowt.org>

        * f95-lang.c (expand_function_body): Call (push|pop)_function_context.
        * trans-decl.c (gfc_generate_function_code): Set
        cfun->function_end_locus.

2003-09-24  Jason Merrill  <jason@redhat.com>

        * f95-lang.c, trans-decl.c: Use DECL_SOURCE_LOCATION instead of
        TREE_LOCUS.

2003-09-21  Lifang Zeng  <zlf605@hotmail.com>
        Paul Brook  <paul@nowt.org>

        * Make-lang.in (F95_OBJS): Add fortran/data.o.
        * array.c (gfc_inser_constructor): New function.
        (gfc_get_constructor): New function.
        (gfc_free_constructor): Initialize offset and repeat.
        (iterator_stack): Remove.
        (expand_info): Add offset, component and repeat fields.
        (expand_constructor): Set them.
        (expand): Set new fields.
        (gfc_copy_constructor): Ditto. Avoid recursion.
        * gfortran.h: Add prototypes for new functions.
        (gfc_constructor): Add offset, component and repeat.
        (iteratio_stack): Move to here.
        * resolve.c (check_data_variable): Convert data values into variable
        initializers.
        (traverse_data_list): Build implicit loop chain.
        (gfc_resolve): Ditto.
        * trans-array.c (gfc_conv_array_intializer): Handle repeat count.
        * trans-decl.c (gfc_get_symbol_decl): Use gfc_conv_structure.
        * trans-expr.c (gfc_conv_structure): Handle array initializers.
        (gfc_conv_expr): Update to match.
        * trans.h (gfc_conv_structure): Declare.
        * data.c: New file.

2003-09-20  Kejia Zhao  <kejia_zh@yahoo.com.cn>

        * trans.h: Add declarations for gfor_fndecl_si_kind and
        gfor_fndecl_sr_kind.
        * trans-decl.c (g95_build_intrinsic_function_decls): Build them.
        * trans-intrinsic.c (g95_conv_intrinsic_si_kind): New function.
        (g95_conv_intrinsic_sr_kind): New function.
        (g95_conv_intrinsic_function): Add SELECTED_INT_KIND and
        SELECTED_REAL_KIND.

2003-09-17  Lars Segerlund  <Lars.Segerlund@comsys.se>

        * iresolve.c (gfc_resolve_random_number): Generate _r4 & _r8
        instead of _4 and _8 as postfix for libgfortran calls.

2003-09-16  Paul Brook  <paul@nowt.org>

        * array.c (compare_bounds): New function.
        (gfc_compare_array_spec): Use it.

2003-09-14  Paul Brook  <paul@nowt.org>

        * primary.c (gfc_match_rvalue): Make sure sym->result is set.
        * trans-expr.c (gfc_conv_string_parameter): Also allow PRAM_DECLs.

2003-09-14  Paul Brook  <paul@nowt.org>

        * check.c (dim_rank_check): Allow assumed bounds if requested.
        (gfc_check_lbound): Call it.
        (gfc_check_ubound): Ditto.
        (gfc_check_size): Change to match.
        * simplify.c (gfc_simplify_bound): New function.
        (gfc_simplify_lbound): New function.
        (gfc_simplify_ubound): New function.
        * intrinsic.h: Declare them.
        * intrinsic.c (add_functions): Use them.

2003-09-14  Paul Brook  <paul@nowt.org>

        * io.c (format_lex): Initialize negative_flag.
        (check_format): Intialize repeat.
        * trans-io.c (gfc_new_nml_name_expr): Declare static.
        (gfc_new_var_expr): Ditto.

2003-09-14  Paul Brook  <paul@nowt.org>

        * trans-array.c (gfc_conv_array_initializer): Handle derived types.
        * trans-decl.c (gfc_get_symbol_decl): Only do local scalar values.

2003-09-12  Paul Brook  <paul@nowt.org>

        * trans-intrinsic.c (gfc_conv_intrinsic_sign): Call fold.

2003-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * fortran/trans.c (gfc_finish_block): Call rationalize_compound_expr
        for a correct expression.

2003-09-10  Kejia Zhao  <kejia_zh@yahoo.com.cn>

        * trans-intrinsic.c (real_compnt_info): New struct.
        (prepare_arg_info): New function.
        (gfc_conv_intrinsic_set_exponent): New function.
        (gfc_conv_intrinsic_scale): New function.
        (gfc_conv_intrinsic_nearest): New function.
        (gfc_conv_intrinsic_fraction): New function.
        (gfc_conv_intrinsic_exponent): New function.
        (gfc_conv_intrinsic_spacing): New function.
        (gfc_conv_intrinsic_rrspacing): New function.
        (gfc_conv_intrinsic_function): Use them.

2003-08-24 XiaoQiang Zhang  (zhangapache@yahoo.com>

        * trans-const.c (gfc_conv_mpz_to_tree): Fix bug, parameter for
        build_int_2 changed from (high, low) to (low, high).
        * trans-io.c (ioparm_namelist_name, ioparm_namelist_name_len,
        ioparm_namelist_read_mode, iocall_set_nml_val_int,
        iocall_set_nml_val_float, iocall_set_nml_val_char,
        iocall_set_nml_val_complex, iocall_set_nml_val_log): New declaration.
        (gfc_build_io_library_fndecls): Add variable initialization.
        (gfc_new_nml_name_expr, get_new_var_expr): New function.
        (build_dt): Add namelist support.
        * io.c (value): New variable.
        (check_format): Support FMT_H now.

2003-09-07  Paul Brook  <paul@nowt.org>

        * io.c (gfc_resolve_dt): Error if format label is not defined.

2003-09-07  Kejia Zhao  <kejia_zh@yahoo.com.cn>

        * trans-intrinsic.c (gfc_conv_intrinsic_aint): Fix two bugs. One is
        about case_switch's break. The other is about building the condition
        statement tree, which judges the argument in the range of the
        corresponding integer type.
        * trans-intrinsic.c (gfc_conv_intrinsic_mod): MOD and MODULO can work
        for the large values.

2003-09-05  Paul Brook  <paul@nowt.org>

        * f95-lang.c (expand_function_body): Gimplify the function.

2003-09-04  Jeff Law  <law@redhat.com>

        * f95-lang.c (DEFINE_MATH_BUILTIN): C arrays start at
        index zero!

2003-09-04  Paul Brook  <paul@nowt.org>

        * f95-lang.c (gfc_define_builtin): Also set implicit_built_in_decls.
        (gfc_expand_stmt): New function.
        (LANG_HOOKS_RTL_EXPAND_STMT): Define.
        (expand_function_body): Use tree_rest_of_compilation.
        * trans-decl.c (gfc_generate_function_code): Don't free cfun.

2003-09-03  Jeff Law  <law@redhat.com>

        * f95-lang.c (gfc_init_builtin_functions): C arrays start at
        index zero!

2003-08-30  Paul Brook  <paul@nowt.org>

        * f95-lang.c (builtin_function): Remove #if 0 code.
        (gfc_define_builtin): New function.
        (gfc_init_builtin_functions): Use mathbuiltins.def not ../builtins.def.
        * mathbuiltins.def: New file.
        * trans-intrinsic.c (gfc_intrinsic_map_t): Add builtin code fields.
        (gfc_intrinsic_map): Use mathbuiltins.def.
        (gfc_intrinsic_builtin_t): Remove.
        (gfc_build_intrinsic_lib_fndecls): Update.
        * trans-types.c (gfc_init_types): Remove redundant initilaization of
        signed_size_type_node.

2003-08-29  Paul Brook  <paul@nowt.org>

        * arith.c (gfc_real_kinds): Use correct minimum exponents.

2003-08-22  Kejia Zhao  <kejia_zh@yahoo.com.cn>

        * trans-instinsic.c (gfc_conv_intrinsic_mod): Also do MODULO.
        (gfc_conv_intrinsic_function): Add MODULO.

2003-08-22  Jason Merrill  <jason@redhat.com>

        * trans-array.c (gfc_conv_expr_descriptor): Update use of predicates.

2003-08-22  Andreas Jaeger  <aj@suse.de>

        * Make-lang.in (f95.install-common): Add DESTDIR support.
        * (f95.install-info): Likewise.
        (f95.uninstall): Likewise.

2003-08-19  Diego Novillo  <dnovillo@redhat.com>

        * trans-types.c (gfc_init_types): Initialize
        signed_size_type_node with size_type_node.

2003-08-18  Paul Brook  <paul@nowt.org>

        * dependency.c (gfc_dependency): New enum.
        (check_another_array_ref): Remove.
        (gfc_get_array_from_component): Remove.
        (get_x): Remove.
        (get_range): Remove.
        (get_no_of_elements): Use mpz_t, not mpf_t.
        (transform_sections): New function.
        (gfc_check_range_range): Rename ...
        (gfc_check_section_vs_section): ... to this.  Use new function.
        (gfc_is_inside_range): Rewrite to match.
        (gfc_check_element_vs_section): Ditto.
        (gfc_check_element_vs_element): Ditto.
        (get_deps): Ditto.
        (gfc_dep_resolver): Ditto.  Remove unused parameter.
        * Dependency.h (gfc_check_range_range, gfc_check_element_vs_section,
        gfc_check_element_vs_element, gfc_is_inside_range,
        gfc_get_array_from_component): Remove prototypes for static functions.
        (gfc_dep_resolver): Update prototype.
        * trans-array.c (gfc_conv_resolve_dependencies): Change to match.

2003-08-15  Paul Brook  <paul@nowt.org>

        * trans-decl.c (gfc_build_qualified_array): Don't add symbols for
        return values to parent scope.
        (gfc_build_dummy_array_decl): Ditto.

2003-08-14  Paul Brook  <paul@nowt.org>

        * trans-stmt.c (gfc_trans_allocate): Handle NULL refs. Allocate the
        size of the type, not the pointer.
        * resolve.c (resolve_symbol): Give more accurate error message.

2003-08-10  Paul Brook  <paul@nowt.org>

        * trans-decl.c (gfc_build_function_decl): Only mangle global symbols.

2003-08-10  Paul Brook  <paul@nowt.org>

        * trans-stmt.c (gfc_trans_allocate): Correctly handle non-array derived
        type components.

2003-08-10  Chun Huang  <compiler@sohu.com>

        * resolve.c (resolve_formal_arglist): Resolve STATEMENT function.
        (resolve_symbol): Ditto.
        * trans-expr.c (gfc_conv_statement_function): New function.
        (gfc_conv_function_expr): Use it.

2003-08-10  Paul Brook  <paul@nowt.org>

        * trans-array.c (gfc_conv_ss_startstride): Handle functions.
        (walk_function_expr): Set section rank.
        * trans-intrinsic.c (gfc_walk_intrinsic_libfunc): Ditto.

2003-08-10  Paul Brook  <paul@nowt.org>

        * intrinsic.c (add_sym): Prefix names with correct string.
        (add_sym_0s): New function.
        (add_subroutines): Register abort.

2003-08-10  Erik Schnetter  <schnetter@uni-tuebingen.de>

        * gfortran.h: Introduce options to control the mangling.
        * lang.opt: Likewise.
        * options.c (gfc_init_options): Handle the options.
        * trans-common.c (gfc_sym_mangled_common_id): New function.
        (gfc_build_common_decl): Call it.
        * trans-decl.c (gfc_sym_mangled_function_id): New function.
        (gfc_get_extern_function_decl, gfc_build_function_decl): Call it.

2003-08-09  Paul Brook  <paul@nowt.org>

        * module.c (mio_symbol): Always ouput a namespace for formal args.
        (load_needed): Namespace now belong to their proper symbol.
        (gfc_dump_module): Change G95=>GFORTRAN.

2003-08-05  Paul Brook  <paul@nowt.org>

        * options.c: Force -fg77-calls.

2003-08-02  Paul Brook  <paul@nowt.org>

        * Makelang.in: Rename G95_* to GFORTRAN_*.
        * All sources: Rename G95_* to GFC_*.

2003-08-01  Paul Brook  <paul@nowt.org>

        * fortran/Make-lang.in: Use GMPLIBS.
        * fortran/config-lang.in: Set need_gmp.
        * trans-expr.c (gfc_conv_variable): Remove incorrect assertion.

2003-07-27  Andreas Jaeger  <aj@suse.de>

        * trans-decl.c (gfc_generate_constructors): Convert prototype to
        ISO C90.
        * trans-const.c (gfc_init_constants): Likewise.
        * trans-intrinsic.c (gfc_build_intrinsic_lib_fndecls): Likewise.

        * gfortranspec.c: Convert to ISO C90.
        (lang_specific_driver): Correct copyright, remove ALT_LIBM usage.

2003-07-26  Paul Brook  <paul@nowt.org>

        * lang.opt: Add -fdump-parse-tree.
        * options.c (gfc_handle_option): Ditto.
        * resolve.c (resolve_forall_iterators): Convert to proper type.
        * trans-stmt.c (gfc_trans_forall_1): Create temp var with correct type.

2003-07-26  Paul Brook  <paul@nowt.org>

        * Makefile.in: Add build dependencies on files common with rest of gcc.

2003-07-26  Lifang Zeng  <zlf605@hotmail.com>

        * trans.h: Declare g95_trans_pointer_assignment.
        * trans-expr.c (g95_trans_pointer_assignment): New function.
        (g95_trans_pointer_assign): Use it.
        * trans-stmt.c (g95_trans_forall_1): Handle pointer assignment.
        (g95_trans_pointer_assign_need_temp): New function.

2003-07-26  Paul Brook  <paul@nowt.org>

        * gfortran.texi: Replace references to g95.

2003-07-26  Paul Brook  <paul@nowt.org>

        Rename g95_* to gfc_*.

2003-07-25  Paul Brook  <paul@nowt.org>

        * gfortran.h: Rename from g95.h.
        * trans-types.c (boolean_type_node, booelan_true_node,
        boolean_false_node): Remove.
        * trans-types.h: Ditto.

2003-07-25  Chun Huang  <compiler@sohu.com>

        * parse.c (accept_statement): Implement BLOCK DATA statement.
        * trans-expr.c (g95_conv_variable): Fix bug for dereference pointer
        variables.

2003-07-24  Lifang Zeng  <zlf605@hotmail.com>

        * trans-stmt.c (temporary_list): Define.
        (g95_trans_assign_need_temp): New function.
        (g95_trans_forall_1): Modified for WHERE.
        (g95_trans_where_assign): Modified.
        (g95_trans_where_2): Modified.
        (g95_evaluate_where_mask): Modified.
        (g95_trans_where): Modified.
        (g95_get_temp_expr): Removed.
        (g95_add_to_where_stmt_list): Removed.
        (compute_overall_iter_number): Modified for WHERE.
        * trans.h: Remove where_stmt_list.

2003-07-24  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * lang.opt: Correct description of options -J and -M.

2003-07-23  Steven Bosscher   <steven@gcc.gnu.org>

        * lang.opt: Move help text to here.
        * lang-options.h: Remove.

2003-07-23  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>
        * iresolve.c (g95_resolve_transpose): Proper variable in switch.
        * simplify.c (g95_simplify_nearest): Fix typo and use a correct test
        on kind.

2003-07-22  Steven Bosscher  <steven@gcc.gnu.org>
        Paul Brook  <paul@nowt.org>

        * check.c (check_rest): Use global pedantic flag.
        * io.c (data_desc): Ditto.
        * error.c (g95_warning, g95_warning_now): Use global flag.
        * f95-lang.c (LANG_HOOKS_HANDLE_OPTION): Rename from DECODE.
        (expand_function_body): Update to new prototypes.
        (g95_init): Use new option names.
        * g95.h (g95_option_t): Standardize names.
        (g95_init_options, g95_handle_option): Update prototypes.
        * interface.c: Use new option names.
        * match.c: Ditto.
        * module.c: Ditto.
        * parse.c: Ditto.
        * primary.c: Ditto.
        * resolve.c: Ditto.
        * scanner.c: Ditto.
        * simplify.c: Ditto.
        * symbol.c: Ditto.
        * trans-array.c: Ditto.
        * trans-expr.c: Ditto.
        * trans-types.c: Ditto.
        * trans-decl.c: Ditto.
        (g95_build_library_function_decl): Remove obsolete VPARAMS.
        * trans.h: Ditto.
        * options.c (g95_display_help): Remove.
        (g95_init_options): Convert to new scheme.
        (set_Wall): Ditto
        (g95module_option): Ditto, rename from g95_parse_arg.
        (g95_handle_module_path_options): New function.
        * trans-equivalence.c: Fix error message.
        * lang.opt: Corrections.

2003-07-21  Steven Bosscher  <steven@gcc.gnu.org>

        * lang.opt: New file.

2003-07-21  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * decl.c (match_attr_spec): Set colon_seen.

2003-07-14  Paul Brook  <paul@nowt.org>

        * trans-array.c: Update comment.
        (g95_trans_array_constructor_subarray): Cleanup loopinfo data.
        * trans-intrinsic.c (g95_conv_intrinsic_anyall,count,arith,
        minmaxloc,minmaxval): Ditto.
        * trans-io.c (g95_trans_transfer): Ditto.
        * trans-stmt.c: Remove unneeded prototypes.
        (generate_loop_for_lhs_to_rhs): Rename vars. Add loop post chain.
        (generate_loop_for_rhs_to_temp): Rename vars. Don't share loopinfo.
        (compute_inner_temp_size): Remove bits of dead code. Add comments.
        Don't share loopinfo.
        (compute_overall_iter_number): Declare as static.
        (allocate_temp_for_forall_nest): Ditto.
        (g95_trans_forall_1): Don't pass shared loopinfo.
        * trans.c (g95_start_block): Expand comment.

2003-07-12  Paul Brook  <paul@nowt.org>

        * arith.c (g95_index_integer_kind): Remove unused initializer.
        * trans-stmt.c (generate_loop_for_temp_to_lhs): Don't multiply array
        index by size of element.
        (generate_loop_for_rhs_to_temp): Ditto.
        (allocate_temp_for_forall_nest): Use element size, not index size.

2003-07-11  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * arith.c (g95_index_integer_kind): Add a TODO.
        * simplify.c (g95_simplify_nearest): Add a TODO.

2003-07-09  Chun Huang  <compiler@sohu.com>

        * trans.h: Add declarations for gfor_fndecl_string_scan and
        gfor_fndecl_string_verify.
        * trans-decl.c (g95_build_intrinsic_function_decls): Build them.
        * trans-intrinsic.c (g95_conv_intrinsic_scan): New function.
        (g95_conv_intrinsic_verify): New function.
        (g95_conv_intrinsic_function): Add SCAN and VERIFY.
        * simplify.c (g95_simplify_scan, g95_simplify_verify): Fix bug in case
        of parameter 'BACK=.TRUE.'

2003-07-05  Lifang Zeng  <zlf605@hotmail.com>

        * trans-stmt.c (iter_info, forall_info): Define.
        (g95_trans_forall_block): Remove.
        (g95_trans_forall_loop): Use forall info blocks.
        (g95_trans_nested_forall_loop): New function.
        (g95_do_allocate): Handle things other than logical masks.
        (generate_loop_for_temp_to_lhs): New function.
        (generate_loop_for_rsh_to_temp): New function.
        (compute_inner_temp_size): New function.
        (compute_overall_iter_number): New function.
        (allocate_temp_for_forall_nest): New function.
        (g95_trans_forall): Move body ...
        (g95_trans_forall_1): ... to here.  Handle loops with temporaries.

2003-07-02  Paul Brook  <paul@nowt.org>

        * trans-decl.c (create_index_var, g95_build_qualified_array): Put vars
        in correct scope.  Change callers to match.
        * trans-types.c (g95_get_dtype_cst): Allow rank 7 arrays.
        * iresolve.c (g95_resolve_reshape): Only use constant shapes.

2003-07-02  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_conv_loop_setup): Remove dead var.  Use
        expression shape for all expressions.
        * trans-decl.c (g95_symbol_init): Allow adding at very end of list.

2003-07-03  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * g95.h (g95_option_t), lang-options.h, options.c (g95_init_options,
        g95_parse_arg), intrinsic.c (g95_convert_type): support of
        -Wconversion.
        * intrinsic.c, g95.h: Add g95_convert_type_warn,
        * resolve.c (g95_resolve_index): Call it.

2003-07-02  Paul Brook  <paul@nowt.org>

        * iresolve.c (g95_resolve_reshape): Set expression shape.
        (g95_resolve_shape): Ditto.
        * simplify.c (g95_simplify_shape): Move common code outside condition.
        * trans-array.c (g95_conv_array_initializer): Teach it how to count.

2003-07-01  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * array.c (g95_array_dimen_size): Deal with EXPR_ARRAY to improve
        conformance checks.

2003-06-29  Paul Brook  <paul@nowt.org>

        * array.c (g95_simplify_iterator_var): Don't bother with return value.
        * expr.c (find_array_element, find_component_ref): New functions.
        (remove_subobject_ref): New function.
        (simplify_const_ref): Use them.  Rename from simplify_component_ref.
        (simplify_ref_chain): New function.
        (g95_simplify_expr): Use it.  Simplify parameter variable subobjects.
        (g95_specification_expr): Simplify the expression.
        * resolve.c (resolve_operator): Check simplifications return code.
        (g95_resolve_expr): Ditto.

2003-06-26  Paul Brook  <paul@nowt.org>

        * expr.c (simplify_component_ref): New function.
        (g95_simplify_expr): Use it.
        * resolve.c (resolve_structure_cons): Handle references.

2003-06-25  Paul Brook  <paul@nowt.org>

        * trans-io.c (build_dt): Handle internal units.

2003-06-25  Canqun Yang  <canqun@yahoo.com.cn>

        * trans-common.c (g95_build_common_decl): Array index range starts at 0.
        (g95_build_common_decl, g95_layout_global_equiv, g95_trans_one_common):
        Use g95_array_index_type instead of integer_type_node.
        (g95_build_common_decl, g95_set_common_master_type): Use
        g95_character1_type_node instead of char_type_node.
        * trans-equivalence.c (g95_layout_local_equiv): As above.

2003-06-24  Steven G. Kargl  <kargls@attbi.com>

        * g95.h (g95_option_t), options.c (g95_init_options, g95_parse_arg):
        remove last remains of -fquiet.

2003-06-22  Paul Brook  <paul@nowt.org>

        * resolve.c (resolve_operator): Don't fail if we can't simplify.
        (g95_resolve_expr): Ditto.
        (resolce_code): Mark as static.
        * trans-stmt.c (g95_trans_chaaracter_select): Mark labels because the
        gimplifer doesn't (yet).

2003-06-20  Paul Brook  <paul@nowt.org>

        * g95.h: Add ST_PAUSE and EXEC_PAUSE.
        * match.c (g95_match_if): Add ST_PAUSE.
        (g95_match_stopcode): New function.
        (g95_match_pause, g95_match_stop): Use it.
        * parse.c (g95_ascii_statement): Handle ST_PAUSE.
        (decode_stmt, next_statement, parse_executable): Ditto.
        * resolve.c (resolve_code): Ditto.
        * st.c (g95_free_statement): Ditto.
        * trans-stmt.c (g95_trans_pause): New function.
        * trans-stmt.h: Declare it.
        * trans.c (g95_trans_code): Use it.
        * trans-decl.c (gfor_fndecl_pause_numeric, gfor_fndecl_pause_string):
        Declare.
        (g95_build_builtin_function_decls): Initialize them.
        * trans.h: Ditto.
        * dump-parse-tree.c (g95_show_code_node): Handle EXEC_PAUSE.

2003-06-18  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * io.c (g95_match_open , g95_match_close, g95_match_inquire,
        match_filepos): Fix error handling.

2003-06-18  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * array.c (spec_dimen_size, ref_dimen_size, g95_array_dimen_size):
        Add assertions on arguments.
        * resolve.c (expression_shape): Remove useless &.
        * simplify.c (get_kind, g95_simplify_bit_size, g95_simplify_digits,
        g95_simplify_ibclr, g95_simplify_ibits, g95_simplify_ibset,
        g95_simplify_ishft,g95_simplify_ishftc, g95_simplify_maxexponent,
        g95_simplify_minexponent, g95_simplify_radix, g95_simplify_range
        g95_simplify_rrspacing, g95_simplify_scale, g95_simplify_spacing,
        g95_simplify_tan, g95_simplify_tiny): Clean predicates and assertions.
        (g95_simplify_not, g95_simplify_scale): Add assertions.

2003-06-15  Paul Brook  <paul@nowt.org>

        Clean up stuff to work with the ssa optimizers.
        * convert.c (convert): Handle BOOLEAN_TYPEs.
        * f95-lang.c (g95_truthvalue_conversion): Implement.
        * trans-array.c (g95_trans_array_constructor_value): Group multiple
        scalar values.
        * trans.h (g95_truthvalue_conversion): Declare.
        * trans-intrinsic.c (g95_conv_intrinsic_anyall): Use bool constants.
        * trans-stmt.c (g95_trans_character_select): Don't create array
        assignments.  Mark labels as indirect jump targets.
        * trans-types.h (g95_init_types): Use BOOLEAN_TYPE nodes.
        (g95_get_dtype_cst): Handle LOGICAL types.

2003-06-14  Paul Brook  <paul@nowt.org>

        * f95-lang.c (g95_gimplify_expr): New function.
        * trans-array.c (g95_trans_array_constructor_value): Don't create
        array assignments.
        (g95_conv_expr_descriptor): Rename simple->gimple.
        * trans-expr.c (conv_expr_op): Use proper logical operators.
        * trans-intrinsic.c (build_fixbound_expr): New function.
        (build_fix_expr): Ditto.
        (g95_conv_intinsic_aint): Use them. Use builtin functions.
        (g95_conv_intrinsic_function): Add FLOOR and CEILING.

2003-06-10  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * array.c (g95_compare_array_spec): Remove unreachable code.
        * expr.c (g95_copy_expr): Likewise.
        * intrinsic.c (g95_convert_type): Likewise.
        * misc.c (g95_code2string): Likewise.
        * simplify.c (g95_simplify_ishft, g95_simplify_real,
        g95_simplify_reshape, g95_simplify_sign, g95_simplify_sqrt): Likewise.
        * trans-stmt.c (g95_trans_select): Likewise.
        * primary.c (extend_ref): Add an assertion.
        * simplify.c (g95_convert_constant): Add const.
        * intrinsic.h: Remove g95_check_x_ni.
        * f95-lang.c (g95_finish): Call g95_release_include_path.

2003-06-10  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * resolve.c (resolve_contained_functions): Fix typo introduced on
        2003-01-13.

2003-06-09  Paul Brook  <paul@nowt.org>

        * g95.h: Include system.h not hwint.h.
        * many: use safe-ctype.h not ctype.h.  Change isalpha -> ISALPHA, etc.
        * misc.c (g95_getmem): Use xmalloc/memset instead of calloc.

2003-06-09  Paul Brook  <paul@nowt.org>

        * g95.h (g95_symbol): Add fields for COMMON and EQUIVALENCE variables.
        * Make-lang.in (F95_OBJS): Add files for COMMON and EQUIVALENCE.
        * trans-decl.c (g95_add_decl_to_functions): Make non-static.
        (g95_get_symbol_decl): Handle COMMON and EQUIVALENCE objects.
        (g95_generate_function_code): Translate COMMON and EQUIVALENCE
        objects.
        * trans.h (g95_trans_equivalence, g95_trans_common,
        g95_add_decl_to_function): Declare.
        * trans-common.c, trans-equivalence.c: New files.

2003-06-08  Steven Bosscher  <steven@gcc.gnu.org>

        * intrinsic.c (g95_intrinsic_extension): Remove.
        (add_functions): Substitute g95_check_x for g95_check_x_ni
        everywhere.
        (g95_init_expr_extensions): New function.
        (g95_intrinsic_func_interface): Use it.
        * intrinsic.h: Remove extern decl for g95_intrinsic_extension.
        * check.c (g95_check_digit, g95_check_huge, g95_check_kind,
        g95_check_precision, g95_check_present, g95_check_radix,
        g95_check_range, g95_check_selected_real_kind): Do not set
        g95_intrinsic_extension.
        (g95_check_x_ni): Remove now duplicate of g95_check_x.

        * expr.c (check_inquiry): Add FIXME, fixup some code style.

2003-06-06  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * g95.h (ref_type): Name this type explicitly.
        * module.c (MIO_NAME): Add specialisations of mio_name.
        (mio_symbol_attribute, mio_typespec, mio_array_ref,
        mio_array_spec, mio_ref, mio_expr, mio_symbol): Use them.
        (ab_attribute): Name this type explicitly.
        (mio_symbol_attribute, mio_expr): Add cast to call to find_enum.

2003-06-05  Kejia Zhao  <kejia_zh@yahoo.com.cn>

        * trans-intrinsic.c (g95_conv_allocated): New function.
        (g95_conv_intrinsic_function): Make G95_ISYM_ALLOCATED work.

2003-06-05  Steven Bosscher  <steven@gcc.gnu.org>

        * f95-lang.c: Don't include g95-support.h
        (g95_mark_addressable): Add prototype.
        (g95_init_decl_processing): Remove C front end hack.
        * f95-tree.c: Remove file.
        * support.c: Remove file.
        * g95-support.h: Remove file.
        * trans-types.c (g95_init_types): Set up boolean
        type related tree nodes.
        * Make-lang.in: Remove rules for dead files and
        dependencies on them.

2003-06-05  Steven Bosscher  <steven@gcc.gnu.org>

        * Make-lang.in (F95_ADDITIONAL_OBJS): Remove the final
        C front end dependency.  Also, convert.c does not depend on
        g95-support.h anymore.
        * convert.c: Don't include c-common.h and g95-support.h
        * f95-lang.c: Don't inlude c-common.h and c-common.def (3x).
        (g95_stmt_tree, g95_scope_stmt_stack, anon_aggr_type_p,
        stmts_are_full_exprs_p, current_stmt_tree,
        current_scope_stmt_stack): Remove.
        * g95-support.h (unsigned_conversion_warning): Kill proto.
        (boolean_type_node, boolean_true_node, boolean_false_node):
        Don't define here.  Instead, make then true tree nodes in
        trans-types.
        * support.c (c_global_trees): Die, C front end, die!!!
        (g95_init_c_decl_hacks): Don't touch intmax_type_node,
        uintmax_type_node, string_type_node and const_string_type_node.
        (decl_constant_value, overflow_warning): Make static functions.
        They are in death row too, though.
        (default_conversion, c_expand_asm_operands): Remove.
        * trans-array.c, trans-expr.c, trans-intrinsic.c, trans-stmt.c,
        trans.c: Don't include c-common.h.
        * trans-types.c (boolean_type_node, boolean_true_node,
        boolean_false_node): Make them real tree nodes.
        * trans-types.h (intmax_type_node, string_type_node,
        const_string_type_node): Hack to work around C dependencies
        in builtin-types.def.

2003-06-04  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * decl.c (decl_types): Add some iterators-like sentinels.
        * decl.c (match_attr_spec): Use them.
        Use "decl_types" instead of "int".
        Add cast in call to g95_match_strings.
        * dump-parse-tree.c (g95_show_namespace):  Use "g95_intrinsic_op"
        instead of "int".
        * g95.h (g95_intrinsic_op): Add some iterators-like sentinels.
        (g95_interface_info): Use "g95_intrinsic_op".
        * dump-parse-tree.c (g95_show_namespace): Use them.
        * interface.c (g95_check_interfaces): Use them.
        * module.c (read_module, write_module): Use them.
        * symbol.c (g95_get_namespace, g95_free_namespace): Use them.
        Use "g95_intrinsic_op".
        * interface.c (check_operator_interface): Use "g95_intrinsic_op".
        Add a default case in switch statement.
        * intrinsic.h (g95_generic_isym_id): Moved to...
        * g95.h (g95_generic_isym_id): here.
        (g95_intrinsic_sym): Use "g95_generic_isym_id".
        * intrinsic.c (make_generic): Use "g95_generice_isym_id".
        * trans-intrinsic.c (g95_intrinsic_map_t,
         g95_conv_intrinsic_lib_funtion): Use "g95_generice_isym_id".
        * match.c (g95_match_intrinsic_op): Add cast in call to
        g95_match_strings.

2003-06-03  Steven Bosscher  <steven@gcc.gnu.org>

        * support.c (skip_evaluation, warn_conversion, lvalue_p,
        lvalue_or_else, pedantic_lvalue_warning, warn_for_assignment,
        constant_fits_type_p, convert_and_check,
        unsigned_conversion_warning): Remove these ugly remnants
        we inherited from the C front end.
        (function_types_compatible): Remove '#if 0'-edcode.
        (build_modify_expr): Likewise.
        (convert_for_assignment): Don't use the deceased functions.
        The parameter fundecl is now unused.
        (decl_constant_value): Always just return decl.  In fact
        this function is not used at present, but it might be in
        the future, when we start using the tree inliner.
        (overflow_warning, default_conversion, c_expand_asm_operands):
        Abort when these are called, they are part of the C type
        checking implementation and therefore poison to Fortran.

2003-06-04  Steven Bosscher  <steven@gcc.gnu.org>

        * Make-lang.in (F95_ADDITIONAL_OBJS): Don't depend on
        c-pretty-print.o and c-dump.o.  Add a comment on why we
        depend on c-semantics.c.
        * f95-lang.c (LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN):
        Don't use the C front end tree dumper hook to dump the
        language specific tree representation -- we don't have
        one.  So instead, inherit the default langhook.

2003-06-02  Paul Brook  <paul@nowt.org>

        * trans-expr.c (g95_conv_variable): Remove incorrent assertion.

2003-06-02  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * check.c (g95_check_associated): Use proper types.  Remove
        extraneous argument in call to g95_error().

2003-06-02  Kejia Zhao  <kejia_zh@yahoo.com.cn>

        * resolve.c (resolve_operator): Make logical operands convert to the
        type with higher kind.

2003-06-02  Kejia Zhao  <kejia_zh@yahoo.com.cn>

        * check.c (g95_check_associated): Make sure both pointer and target has
        the same type and rank. Null pointer or array section with vector
        subscript as target are not allowed.
        * trans.h: Declare gfor_fndecl_associated.
        * trans-decl.c: (g95_build_builtin_function_decls): Initialize
        gfor_fndecl_associated.
        * trans-intrinsic.c (g95_conv_associated): New function.
        (g95_conv_intrinsic_function): Make G95_ISYM_ASSOCIATED work.

2003-06-02  Kejia Zhao  <kejia_zh@yahoo.com.cn>

        * trans-array.c (g95_conv_expr_descriptor): Set the base of POINTER
        according to POINTER itself rather than TARGET.
        (g95_conv_expr_descriptor): Make lbound start at 1.
        * trans-expr.c (g95_trans_pointer_assign): Fix a bug for Nullify.

2003-06-01  Paul Brook  <paul@nowt.org>

        * expr.c (g95_type_convert_binary): Make it match the standard.
        * g95.texi: Remove dead link.

2003-06-01  Steven Bosscher  <steven@gcc.gnu.org>

        * g95.texi: Cleanup somewhat in preparation for inclusion
        in GCC CVS.

2003-05-23  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>
            Canqun Yang  <canqun@yahoo.com.cn>

        * resolve.c (compare_bound_int, resolve_where_shape): Proper return
        type.
        (g95_find_forall_index): Return proper value.
        (g95_resolve_assign_in_forall, g95_resolve_forall): Use proper type to
        compare the return value from g95_find_forall_index.

2003-05-23  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>
        * g95.h, io.c (g95_st_label): Remove "length".
        (g95_symtree): Remove "link".
        (g95_case): Remove "code".
        * arith.c, arith.h (g95_compare_string, g95_convert_integer,
        g95_convert_real): Make an argument pointer to const.
        * decl.c (colon_seen): Add a TODO.
        * interface.c (g95_compare_types): Fix typo.
        * interface.c (compare_interfaces): Preserve value of "p".
        * intrinsic.c (sort_actual): Remove "i".
        * match.c (g95_match_assign): Proper type in call to g95_match().
        * parse.c (next_free): Avoid duplicate call due to macro.
        * parse.c (check_statement_label): wrong type in call to g95_error.
        * primary.c (match_real_constant): Add a TODO.
        * resolve.c (resolve_select):  Remove useless conditional.
        * simplify.c (g95_simplify_repeat): Proper assignment to
        "value.character.string".
        * simplify.c (g95_simplify_reshape): Wrong variable in call to
        g95_error.

2003-05-20  Canqun Yang  <canqun@yahoo.com.cn>

        * trans-stmt.c: Remove unnecessary include file defaults.h.

2003-05-19  Lifang Zeng  <zlf605@hotmail.com>

        * trans-stmt.c (g95_trans_forall_loop): Handle FORALL with negative
        stride.
        (g95_trans_forall): Allow arbitrary number of FORALL indexes and
        actual variables used as FORALL indexes.

2003-05-15  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_trans_static_array_pointer): Use
        null_pointer_node.
        (g95_trans_deferred_array): Initialize static array pointers.
        * trans-expr.c (g95_conv_function_call): Use formal arglist to
        correctly pass POINTER and absent CHARACTER arguments.

2003-05-14  Lifang Zeng  <zlf605@hotmail.com>

        * resolve.c (g95_resolve_forall): Resolve FORALL construct/statement.
        (g95_resolve_forall_body): Resolve FORALL body.
        (g95_resolve_where_code_in_forall): Resolve WHERE inside FORALL.
        (g95_resolve_assign_in_forall): Resolve assignment inside FORALL.
        (g95_find_forall_index): Check whether the FORALL index appears in
        the expression or not.
        (resolve_code): Modified.

2003-05-14  Paul Brook  <paul@nowt.org>

        * iresolve.c (g95_resolve_spread): Convert ncopies to index_type.

2003-05-13  Paul Brook  <paul@nowt.org>

        * trans-types.c (g95_max_array_element_size): Now a tree node.
        (g95_init_types): Work out max size properly.
        (g95_get_dtype_cst): Modify to match.

2003-05-11  Paul Brook  <paul@nowt.org>

        * trans-io.c (add_case): Create a label decl for case labels.

2003-05-11  Paul Brook  <paul@nowt.org>

        * arith.c (g95_integer_index_kind): New variable.
        * f95-lang.c (g95_init): Move frontend initialization here ...
        (g95_post_options): ... from here.
        * g95.h (g95_index_integer_kind, g95_resolve_index): Declare.
        * intrinsic.c (add_functions): Use index kinds.
        * iresolve.c: Convert to index_kind where needed.
        * resolve.c (g95_resolve_index): Make public, use index_kind.
        (resolve_array_ref): Adjust to match.
        * trans-array.c: Rename g95_array_index_kind to g95_index_integer_kind.
        * trans-stmt.c: Ditto.
        * trans-types.c: Ditto.
        * trans-types.h (g95_array_index_kind): Remove declaration.
        * trans-expr.c (g95_conv_expr_present): Use null_pointer_node.

2003-05-07  Paul Brook  <paul@nowt.org>

        * trans-const.c (g95_conv_mpz_to_tree): Typecast constant.
        * trans-intrinsic.c (g95_conv_intrinsic_bound): Convert type
        of bound indices.

2003-05-07  Paul Brook  <paul@nowt.org>

        * trans-array.c (trans_static_array_pointer,
        g95_trans_array_constructor_value, g95_conv_array_initializer,
        g95_conv_structure): CONSTRUCTOR nodes only have one operand.
        (g95_add_loop_ss_code): Convert subscripts to the correct type.
        * trans-stmt.c (g95_trans_character_select): Ditto.
        * trans-types.c (g95_init_types): Ditto.

2003-05-07  Steven Bosscher  <steven@gcc.gnu.org>

        * f95-lang.c (expand_function_body): Use input_line, not lineno.
        * trans-decl.c (g95_generate_function_code,
        g95_generate_constructors): Likewise.
        * trans.c (g95_trans_runtime_check, g95_add_block_to_block,
        g95_get_backend_locus, g95_set_backend_locus, g95_trans_code):
        Likewise.

2003-05-07  Kejia Zhao  <kejia_zh@yahoo.com.cn>
        * trans-types.c (g95_get_derived_type): Fix bug for DERIVED type
        with components point to the DERIVED type itself, and two DERIVED
        type with components point to each other.
        * trans-expr.c (g95_conv_componet_ref): Modified

2003-05-07  Kejia Zhao  <kejia_zh@yahoo.com.cn>
        * trans-expr.c (g95_conv_expr): Translate EXPR_NULL into
        null_pointer_node.
        (g95_trans_pointer_assign): Implement Nullify.

2003-05-01  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_walk_function_expr): Cope with NULL esym.
        * trans-decl.c (g95_get_symbol_decl): Don't mangle dummy functions.

2003-05-01  Paul Brook  <paul@nowr.org>

        * trans-array.c, trans.c, trans-expr.c, trans-intrinsic.c,
        trans-stmt.c: Replace empty_stmt_node with build_empty_stmt () and
        IS_EMPTY_STMT.

2003-05-01  Canqun Yang  <canqun@yahoo.com.cn>

        * trans-stmt.c (g95_trans_integer_select): Add a parameter to build
        CASE_LABEL_EXPR.

2003-04-28  Paul Brook  <paul@nowt.org>

        * iresolve.c (g95_resolve_transpose): COMPLEX types are twice as big
        as their kind suggests.
        (g95_resolve_reshape): Ditto.

2003-04-28  Chun Huang  <compiler@sohu.com>

        * trans-expr.c (g95_conv_substring_expr): New function.
        (g95_conv_expr): Use it.

2003-04-28  Paul Brook  <paul@nowt.org>

        * iresolve.c (g95_resolve_transpose): Make it match the
        implementation.
        * trans-intrinsic.c (g95_is_intrinsic_libcall): Add TRANSPOSE.

2003-04-18  Steven Bosscher  <steven@gcc.gnu.org>

        * trans-types.c (g95_add_field_to_struct): New function to
        add a field to a UNION_TYPE or RECORD_TYPE.
        * trans-types.h (g95_add_field_to_struct): Prototype.
        (g95_get_derived_type): Use g95_add_field_to_struct to add
        components.
        * trans-io.c (g95_add_field): Remove.
        (ADD_FIELD): Use new g95_add_field_to_struct function.
        (ADD_STRING): Likewise.
        * trans-stmt.c (g95_trans_select): Likewise.
        (g95_add_field): Remove duplicated function.

2003-04-18  Canqun Yang  <canqun@yahoo.com.cn>

        Port implementation for CHARACTER SELECT from Andy's tree.
        * trans-stmt.c (g95_trans_character_select): Implement character
        select. (g95_add_field): New function.
        * trans-decl.c: Declare 'gfor_gndecl_select_string'.
        (g95_build_builtin_function_decls): Add 'gfor_fndecl_select_string'.
        * g95.h (struct g95_case): Add field 'int n'.
        * trans.h: Declare 'gfor_fndecl_select_string'.

2003-04-18  Steven Bosscher  <steven@gcc.gnu.org>

        * bbt.c (duplicate_key, g95_insert_bbt_with_overlap): Remove.
        (g95_insert_bbd): Die on duplicates.
        * g95.h (g95_insert_bbt_with_overlap): Delete prototype.

2003-04-14  Steven Bosscher  <steven@gcc.gnu.org>

        * g95.texi: Require GMP 4.0 -- like we actually
        do.  Explain the testsuite and what-goes-where.
        Don't use undefined texinfo symbol.  Break very
        long line.  Remove finished item from the list
        of open projects.

2003-04-11  Canqun Yang  <canqun@yahoo.com.cn>

        * trans-stmt.c (g95_evaluate_where_mask): Give mask temporaries
        LOGICAL type.

2003-04-10  Canqun Yang  <canqun@yahoo.com.cn>

        * trans-stmt.c (g95_trans_forall): Implement WHERE inside FORALL.
        (g95_trans_forall_body): New function.

2003-04-10  Canqun Yang  <canqun@yahoo.com.cn>

        * resolve.c (resove_where): New function.
        (resolve_where_shape): New function.
        (resolve_code): Add call to 'resolve_where'
        * trans-stmt.c (g95_trans_where): Modified.
        (g95_trans_where_2): New function.
        (g95_trans_where_assign): New function.
        (g95_evaluate_where_mask): New function.
        (g95_add_to_stmt_list): New function.
        (g95_get_temp_expr): New function.
        * trans.h (where_stmt_list): New structure.

2003-04-10  Paul Brook  <paul@nowt.org>

        * g95spec.c (DEFAULT_SWITCH_TAKES_ARG): Remove.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Ditto.

2003-04-10  Steven Bosscher  <steven@gcc.gnu.org>

        Update after mainline -> tree-ssa-branch merge.
        * f95-lang.c (g95_mark_addressable): Update put_var_into_stack
        call.
        (g95_init): Update for new lang_hooks definition.
        (g95_post_options): New langhook.
        (LANG_HOOK_POST_OPTIONS): Clear, then define to g95_post_options.
        * scanner.c (g95_new_file): Comment update.

2003-04-09  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * g95.h, lang-options.h: Add -Wimplicit-interface.
        * options.c (g95_init_options, g95_parse_arg): Set it.
        * interface.c (check_intents): Warn about call with implicit
        interface.
        * resolve.c (resolve_unknown_f, resolve_unknown_s): Call
        g95_procedure_use.

2003-04-05  Paul Brook  <paul@nowt.org>

        * iresolve.c (g95_resolve_spread): Don't resole based on type.
        * trans-intrinsic.c (g95_is_intrinsic_libcall): Add G95_ISYM_SPREAD.

2003-03-29  Paul Brook  <paul@nowt.org>

        * iresolve.c (g95_resolve_pack): Don't bother resolving based on type.
        (g95_resolve_unpack): Ditto.
        * trans-intrinsic.c (g95_conv_intrinsic_merge): New Function.
        (g95_conv_intrinsic_function): Use it.  Remove PACK and UNPACK.
        (g95_is_intrinsic_libcall): Add PACK and UNPACK.

2003-03-25  Paul Brook  <paul@nowt.org>

        * arith.c (g95_unary_user, g95_user): Remove dead functions.
        * arith.h: Ditto.
        * array.c (g95_free_array_ref): Ditto.
        * g95.h: Ditto.
        * symbol.c (g95_use_derived_tree): Ditto.
        * intrinsic.c (add_functions): Use simplification for SCALE.
        * primary.c (g95_match_rvalue): Test sym, not symtree.

2003-03-25  Paul Brook  <paul@nowt.org>

        * trans-decl.c (build_function_decl): Add parameter before it gets
        turned into a constant.
        * iresolve.c (g95_resolve_eoshift): Resolve to a useful name.
        * trans-intrinsic.c (g95_is_intrinsic_libcall): Add G95_ISYM_EOSHIFT.
        * trans-decl.c (g95_create_module_variable): Don't pushdecl constants.

2003-03-22  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_conv_array_initializer): Allow scalar
        expressions.
        * trans-decl.c (g95_finish_var_decl): Result variables are not
        module variables.
        * trans-intrinsic.c (g95_conv_intrinsic_transfer): New function.
        (g95_conv_intrinsic_function): Use it.
        * trans-types.h (g95_type_spec): Remove dead declaration.

2003-03-21  Paul Brook  <paul@nowt.org>

        * trans-decl.c (g95_build_function_decl): Mark string parameters.

2003-03-20  Paul Brook  <paul@nowt.org>

        * trans-decl.c (g95_build_function_decl): Put character length
        parameters at the end of the function declaration.
        * trans-expr.c (g95_conv_function_call): Ditto.
        * trans-types.c (g95_get_function_type): Ditto.

2003-03-20  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * resolve.c (resolve_formal_arglist): Don't impose intent for
        procedure arguments of pure functions.
        (resolve_select): Remove redundant assignment.

2003-03-19  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * arith.c (validate_logical), g95.h, options.c (g95_init_options):
        Remove option l1.
        * g95.h, intrinsic.c(g95_get_intrinsic_sub_symbol): Add const.
        * iresolve.c(g95_resolve_cpu_time, g95_resolve_random_number): Add
        const.
        * lang-options.h: Remove -finline-repack-arrays. Add -fg77-calls.
        Order list.
        * symbol.c (g95_add_type): Fix typo in comment.


2003-03-16  Paul Brook  <paul@nowt.org>

        * dump-parse-tree.c (g95_show_code_node): Print resolved sym name.
        * expr.c (g95_build_call): Remove.
        * f95-lang.c (puchdecl_top_level): New function.
        * g95.h (g95_code): Store resolved symbol, not just the name.
        * intrinsic.c (g95_intrinsic_namespace): New global namespace.
        (g95_intirinsic_init_1, g95_intrinsic_done_1): Use it.
        (g95_get_intrinsic_sub_symbol): New function.
        * iresolve.c (g95_resolve_cpu_time): Use it.
        (g95_resolve_random_number): Ditto.
        * resolve.c: Set code->resolved_sym instead of code->sub_name.
        * trans-decl.c (g95_get_extern_function_decl): Give external decls
        the correct DECL_CONTEXT.  Add global symbold to the global scope.
        * trans-stmt.c (g95_trans_code): Remove hacks now the fronted is
        fixed.

2003-03-16  Paul Brook  <paul@nowt.org>

        * g95.h (g95_option_t): Add g77_calls. Remove inline_repack_arrays.
        * options.c (g95_parse_arg): Ditto.
        * module.c (mio_symbol_attribute): Handle the always_explicit bit.
        * resolve.c (resolve_formal_arglist): The always_explicit sould be set
        for the procedure, not the parameter.
        * trans-array.c (g95_trans_g77_array): New function.
        (g95_trans_assumed_size): Use it.
        (g95_trans_dummy_array_bias): Ditto.
        (g95_conv_array_parameter): Handle g77 arrays. Move existing body ...
        (g95_conv_expr_descriptor): ... to here.  Update callers.
        * trans-decl.c (g95_build_dummy_array_decl): Handle g77 arrays.
        (g95_get_symbol_decl): Avoid processing g77 arrays multiple times.
        * trans-expr.c (g95_conv_function_call): Handle g77 arrays.
        * trans-intrinsic.c (g95_get_symbol_for_expr): Never use g77 arrays.
        * trans-types.c (g95_is_nodesc_array): Handle g77 arrays.
        (g95_sym_type): Ditto.

2003-03-15  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_walk_elemental_function_args): Don't amputate the
        first chain.
        * trans-expr.c (g95_conv_function_call): Use the resolved symbol.

2003-03-14  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_array_is_packed): Remove.
        (g95_conv_array_base): Correctly handle all descriptorless cases.
        (g95_conv_array_stride): Use descriptorless strides.
        (g95_trans_dummy_array_bias): Don't always repack the array.
        (g95_build_dummy_array_decl): Automatic dummy arrays are only partial
        packed.
        * trans-types.c (g95_get_nodesc_array_type): Differentiate between
        dummy and non-dummy arrays...
        (g95_sym_type, g95_get_derived_type): ... like these.
        (g95_get_array_type_bounds): Allow discontiguous arrays.

2003-03-12  Paul Brook  <paul@nowt.org>

        * array.c (g95_resolve_array_spec): Fix comment.
        * g95.h (symbol_attributes): New flag always_explicit.
        * resolve.c (resolve_formal_arglist): Set it always_explicit.
        * iresolve.c (g95_resolve_lbound, g95_resolve_ubound): Simplify.
        * trans-array.c (g95_conv_descriptor_dimension): Remove dead assert.
        (g95_trans_array_bounds): Allow assumed shape arrays.
        (g95_trans_repack_array): Remove.
        (g95_trans_dummy_array_bias): Rewite to use descriptorless arrays.
        * trans-decl.c (g95_build_qualified_array): Only ignore absent
        bounds for assumed size arrays.
        (g95_build_dummy_array_decl): Use descriptorless arrays.
        * trans-expr.c (g95_conv_expr_present): Allow descriptorless arrays.
        (g95_trans_pointer_assign): Fix typo.
        * trans-intrinsic.c (g95_conv_intrinsic_function_args): Remove dead
        code.
        (g95_conv_intrinsic_bound): Rewrite to handle descriptorless arrays.
        * trans-types.c (g95_get_nodesc_array_type): Allow non-packed arrays.
        Also modify callers.
        * trans-types.h (g95_get_nodesc_array_type): Modify prototype.

2003-03-08  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_walk_elemental_functions): Don't reverse the SS.
        (g95_conv_array_ubound): Provide dummy value for assumed size arrays.
        * resolve.c (compare_spec_to_ref): Allow full array sections.

2003-03-08  Paul Brook  <paul@nowt.org>

        * expr.c (g95_simplify_expr): Also simplify array index and
        substring expressions.
        * resolve.c (compare_spec_to_ref): Check for assumed size bounds.
        * trans-array.c (g95_trans_array_bounds): New function.
        (g95_trans_auto_array_allocation): Use it.
        (g95_trans_assumed_size): Rewrite.
        * trans-decl.c (gfor_fndecl_in_pack, gfor_fndecl_in_unpack): Declare.
        (gfor_fndecl_repack): Remove.
        (g95_build_qualified_array): Handle absent upper bounds.
        (g95_build_dummy_array_decl): Assumed shape arrays are descriptorless.
        (g95_get_symbol_decl): Update.
        (g95_build_intrinsic_function_decls): Initialize new decls.
        * trans.h (gfor_fndecl_in_pack, gfor_fndecl_in_unpack): Declare.
        (gfor_fndecl_repack): Remove.
        * trans-io.c (g95_build_io_library_fndecls): Correct prototypes.
        * trans-types.c: (g95_build_array_type): Merge duplicated code..
        (g95_get_nodesc_array_type): Handle absent bounds.
        * trans-types.h (g95_get_nodesc_array_type): Declare.

2003-03-04  Paul Brook  <paul@nowt.org>

        * f95-lang.c (DEF_FUNCTION_TYPE_VAR_3): Define before including
        builtin-types.def.

2003-03-02  Paul Brook  <paul@nowt.org>

        * options.c (g95_init_options): Drfault to 1.
        (g95_pasrse_arg): Add -frepack-arrays, use strcmp.
        * trans-array.c (g95_conv_array_data, g95_conv_array_base,
        g95_conv_array_stride,g95_conv_array_lbound, g95_conv_array_ubound):
        Handle non-constant size automatic arrays.
        (g95_conv_section_upper_bound, g95_conv_section_startstride): Use
        generic bound functions.
        (g95_trans_auto_array_allocation): Don't create a descriptor.
        (g95_trans_assumed_size): New function (broken).
        (g95_trans_dummy_array_bias): Remove unused var.
        * trans-array.h (g95_trans_assumed_size): Declare.
        * trans-decl.c (create_index_var): New fuction.
        (g95_build_qualified_array): New function.
        (g95_get_symbol_decl): Use it.
        (g95_trans_deferred_vars): Handle assumed shape seperately.
        * trans-types.c (get_element_type): Handle heap allocated arrays.
        (g95_is_nodesc_array): Include non-const size arrays.
        (g95_get_nodesc_array_type): Ditto.

2003-02-23  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_array_init_size): Should use stride, not size of
        last dimension.

2003-02-18  Paul Brook  <paul@nowt.org>

        * trans-expr.c (g95_trans_arrayfunc_assign): Nove elemental check
        after intrinsic function check.

2003-02-18  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * io.c (match_io): Fix missing return value and remove useless
        assignment.
        * match.c (g95_match): Remove useless assignment.
        * module.c (parse_string):  Remove useless post increment.
        * simplify.c (g95_simplify_verify): Remove useless assignment.

2003-02-15  Paul Brook  <paul@nowt.org>

        * expr.c (restricted_intrinsic): Handle bad values gracefully.
        * g95.h (symbol_attribute): Add referenced member.
        (g95_symbol): Add dummy_order member.
        (g95_set_sym_referenced): Declare.
        * match.c (g95_match_assignment, g95_match_call): Use it
        * primary.c (match_actual_arg, g95_match_rvalue,
        g95_match_variable): Ditto.
        * symbol.c (next_dummy_order): New variable.
        (g95_set_sym_referenced): New function.
        (check_done): New function.
        (g95_add_*): Use it.
        * trans-decl.c: Make formatting conform to GCC standards.
        (g95_defer_symbol_init): Add dummy variables in the right order.
        (g95_get_symbol_decl): Only accept referenced variables.
        (g95_create_module_variable): Module variables are always required.
        (generatr_local_decls): New function.
        (generate_local_vars): New function.
        (g95_generate_function_code): Use it.

2003-02-13  Paul Brook  <paul@nowt.org>

        * trans-decl.c (g95_conv_struct_cons): Remove.
        (g95_get_symbol_decl): Use g95_conv_expr for structure initializers.
        * trans-expr.c (g95_conv_structure): New function.
        (g95_conv_expr): Use it.

2003-02-09  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_array_init_size): Don't evaluate the linit
        expressions multiple times.
        (g95_trans_auto_arry_allocation): Use pointer not tmp.

2003-02-08  Paul Brook  <paul@nowt.org>

        * module.c (mio_symtree_ref): Declare as static.
        (mio_expr): Remove dead code.
        (read_module): Set the symtree link for fixups.
        * trans-intrinsic.c (g95_conv_intrinsic_round): Rename...
        (build_round_expr): ... to this.
        (g95_conv_intrinsic_aint): New function.
        (g95_conv_intrinsic_function): Use it.

2003-02-08  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_trans_array_constructor_value): Use the acutal
        offset after modificaton, not the increment expression.
        * dependency.c: Kill excess whitespace.

2003-02-07  Sanjiv Gupta  <sanjivg@noida.hcltech.com>

        * dependency.h: Remove some function declarations.
        * dependency.c (get_no_of_elements): Change this function not to
        return int.
        * other: Add comments for all modified functions.

2003-02-06  Paul Brook  <paul@nowt.org>

        * g95spec.c (lang_specific_functions): Fix initializer warning.
        * dump-parse-tree.c (g95_show_expr): Use typespec instead of symtree
        for structure type names.
        * trans-decl.c (g95_cons_structure_cons): New function.
        (g95_get_symbol_decl): Use it.
        * trans-expr.c (g95_conv_component_ref): Remove duplicate pointer
        referencing code.

2003-02-06  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * resolve.c (compare_cases): Add const to casts.

2003-01-30  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * g95.h (g95_check_f): Change a1 to f1m.
        * intrinsic.c (add_sym_1m, check_specific,
        g95_intrinsic_func_interface): Use it.

        * module.c (init_pi_tree): Remove useless cast.
        (fp2): Fix argument type.

        * parse.c (parse_select_block): Add comment.

2003-02-05  Toon Moene  <toon@moene.indiv.nluug.nl>

        * lang-options.h: Fix warning involving C90 concatenated
        strings.

2003-02-06  Steven Bosscher  <s.bosscher@student.tudelft.nl>
            Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * io.c (format_asterisk): Complete initializer to kill warning.
        * arith.c (DEF_G95_INTEGER_KIND, DEF_G95_LOGICAL_KIND,
        DEF_G95_REAL_KIND, MPZ_NULL, MPF_NULL): New #defines.
        (g95_integer_kinds, g95_logical_kinds, g95_real_kinds): Use the
        new defines to complete initializers.  Kills all warnings.

        * Make-lang.in: Comment cleanup.

2003-02-05  Paul Brook  <paul@nowt.org>

        * array.c (g95_free_constructor): Handle NULL expressions.
        * resolve.c (resolve_structure_cons): Ditto.
        * decl.c (g95_match_null): New Function.
        (variable_decl): Use it.
        * module.c (mio_expr): Don't bother saving symtree for EXPR_STRUCTURE.
        * primary.c (g95_match_runtime): Don't use symtree for EXPR_STRUCTURE.
        * trans-types.c (g95_set_decl_attributes): Remove empty function.

2003-02-05  Paul Brook  <paul@nowt.org>

        * trans.h (build1_v): New macro.
        (build_v): Remove pointless and incorrect prototype.
        * various: Use build1_v for GOTO_EXPR and LABEL_EXPRs.
        * f95-lang.c (g95_init_builtin_decls): DEF_BUILTIN takes 10 args.

2003-02-01  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * Make-lang.in (F95_OBJS): Remove one more dead file.

2003-02-01  Paul Brook  <paul@nowt.org>

        * lang-specs.h: Don't pass -ffixed-form to the linker.
        * trans-decl.c (g95_generate_function_code): Clear saved decl chain.

2003-02-01  Paul Brook  <paul@nowt.org>

        * Make-lang.in (F95_OBJS): Remove dead files.
        * trans-array.c (g95_array_init_size): Do the right thing when
        ubound=NULL.
        * trans-decl.c (g95_generate_function_code): Initialize deffered
        symbol list before translating contained subroutines.
        * trans-expr.c (g95_conv_expr, g95_conv_expr_reference): Substitute
        scalar invariant values here...
        (g95_conv_variable, g95_conv_function_call): ... instead of here ...
        * trans-intrinsic.c (g95_conv_intrinsic_function_args): .. and here.

2003-01-29  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_add_loop_code): Put pre code in the right block.
        (g95_walk_elemental_function_args): Reverse chains before adding.
        (g95_reverse_ss): Move about a bit.
        * trans-expr.c (g95_conv_function_call): Handle scalar intrinsic
        function arguments.

2003-01-28  Paul Brook  <paul@nowt.org>

        * intrinsic.c (resolve_intrinsic): Use correct union member.
        * trans-array.c (g95_trans_dummy_array_bias): Don't touch absent
        parameters.
        * trans-decl.c (g95_get_symbol_decl): Don't translate initializers for
        use associated variables.
        * trans-intrinsic.c (g95_conv_intrinsic_present): Move body ...
        * trans-expr.c (g95_conv_expr_present): ... to here.
        * trans.h: Declare it.
        * trans-types.c (g95_sym_type): Assume subroutine if not specified.

2003-01-28  Arnaud Desitter  <arnaud.desitter@geography.oxford.ac.uk>

        * array.c (expand_iterator): Suppress useless assignment.
        * decl.c (match_char_spec): Ditto.
        * io.c (match_io_iterator): Ditto.
        * primary.c (match_real_constant): Ditto.
        * interface.c (fold_unary, g95_free_interface, g95_extend_expr):
        Ditto.  Also, use g95_intrinsic_op not int for intrinsic operators.
        * matchexp.c (match_add_operand, match_level_5): Likewise.
        * module.c (parse_atom, find_enum): Likewise.
        * resolve.c: move #include <string.h>
        (resolve_select): Fix serious typo.

2003-01-28  Steven Bosscher  <s.bosscher@student.tudelft.n>

        * Make-lang.in: Don't build with broken tree-ssa-pre.

2003-01-28  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * resolve.c (resolve_index): Add a TODO.
        * symbol.c: Remove useless "#include <ctype.h>".

2003-01-27  Paul Brook  <paul@nowt.org>

        * check.c (check_rest): Allow different type kinds as an extension.
        * g95.h (g95_resolve_f): Add f1m.
        * intrinsic.c (add_sym_1m, resolve_intrinsic): Use it.
        * intrinsic.h: Chenge prototypes for MIN and MAX.
        * iresolve.c (g95_resolve_minmax): New function.
        (g95_resolve_min, g95_resolve_max): Use it.
        * trans-intrinsic.c (g95_trans_intrinsic_minmax): Only evaluate
        arguments once.
        (g95_conv_intrinsic_present): Fix logic.

2003-01-27  Steven Bossche  <s.bosscher@student.tudelft.nl>

        * g95.h (g95_case): Don't be a tree, be a double linked list.
        * match.c (match_case_selector): Remove redundant semantics check.
        Clean up a few goto's to make it a tiny little bit faster.
        * resolve.c (case_tree): Die.
        (compare_cases): Accept and compare unbounded cases too.
        (check_case_overlap): Don't build a tree.  Instead, merge-sort the
        whole list of g95_cases passed from resolve_select.
        (sane_logical_select): Die.
        (check_case_expr): Return FAILURE if a CASE label is of the wrong
        type kind.
        (resolve_select): Fixup case expression for computed GOTOs, put it
        in expr, not expr2, for easier handing in the parse tree dumper and
        the code generator.  Rewrite the rest of the function: Kill
        unreachable case labels and unreachable case blocks.
        * dump-parse-tree.c (g95_show_code_node): Always dump expr for
        an EXEC_SELECT, not case2 anymore.
        * trans-const.c (g95_conv_constant_to_tree): New function.
        (g95_conv_constant): Use it.
        * trans-const.h: Declare prototype for the new function.
        * trans-stmt.c (g95_trans_integer_select, g95_trans_logical_select,
        g95_trans_character_select): New static functions.
        (g95_trans_select): Rewrite.

2003-01-26  Paul Brook  <paul@nowt.org>

        * intrinsic.c (add_fnctions): Properly add dreal.
        * trans-intrinsic.c (g95_conv_intrinsic_present): New function.
        (g95_conv_intrinsic_function): Use it.
        * trans-io.c (build_dt): Abort on internal files (unimplemented).

2003-01-26  Paul Brook  <paul@nowt.org>

        Widespread changes to the handling of symbols in expressions.  These
        are now linked via g95_symtree nodes.
        * parse.c (g95_fixup_sibling symbols): New function.
        (parse_contained): Use it.
        * g95.h (symbol_attribute): Add contained.  Indicates a symbol is a
        contained procedure that has bee correctly fixed up.
        (g95_code, g95_expr): Point to a g95_symtree, not a g95_symbol.

2003-01-24  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_walk_expr): Function result attributes are in
        sym->result.
        * trans-expr.c (g95_conv_function_call,
        g95_trans_arrayfunc_assign): Ditto.
        * trans-decl.c (g95_get_symbol_for_expr): Set sym->result.

2003-01-23  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * expr.c (check_restricted): Fix error message.
        * symbol.c (free_st_labels): Plug memleak.

2003-01-22  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * arith.c (reduce_unary, reduce_binary_ac, reduce_binary_ca,
        reduce_binary_aa, reduce_binary, eval_intrinsic,
        eval_intrinsic_f2): Use typesafe prototypes for eval functions.
        * g95.h (g95_check_f, g95_simplify_f, g95_resolve_f): New unions
        for typesafe intrinsics helper functions.
        (g95_intrinsic_sym): Use them.
        * intrinsic.c (do_check, add_sym, add_sym_0, add_sym_1,
        add_sym_1s, add_sym_1m, add_sym_2, add_sym_3, add_sym_4,
        add_sym_5, add_conv, resolve_intrinsic, do_simplify,
        check_specific, g95_intrinsic_func_interface,
        g95_intrinsic_sub_interface): Adjust all calls to intrinsics
        helper functions.
        * trans-decl.c (g95_get_extern_function_decl): Likewise.
        * Make-lang.in: Don't disable warnings for strict prototypes
        any longer, everything is typesafe now.

2003-01-22  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * bbt.c (duplicate_node): Make static.
        * module.c (module_name): Make static.
        * scanner.c (include_dirs): Make static.

2003-01-20  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        Hard coded _gfor_'s should not show up anymore.
        * g95.h (PREFIX): New macro.
        * iresolve.c (g95_resolve_cpu_time): Use PREFIX, not
        hard-coded "_gfor".
        (g95_resolve_random_number): Likewise.
        * trans-decl.c (g95_build_intrinsic_function_decls): Likewise.
        * trans-io.c: Remove 'prefix' macro.  Replace all uses with
        the new PREFIX macro from g95.h.

2003-01-20  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        The troubles of forking... Andy implemented this just now too.
        Let's stick to that and keep the trees close.
        * g95.h (g95_st_label): 'format' member is now a g95_expr.
        * io.c: Revert previous changes.
        (g95_match_format): Match the format string as a character
        literal expression.
        * match.h (g95_statement_label): Declare external.
        * parse.c: Revert previous changes.
        * symbol.c (g95_free_st_label): Free a g95_expr instead
        if a 'char *'.
        * trans-io.c: Revert previous changes.
        (build_dt): Use set_string to set the format string.

2003-01-20  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * io.c (format_string): Make non-static.
        (g95_match_format): Remember the format string.
        (terminate_io): Add I/O termination for empty I/O lists.
        * match.h: Declare external format_string.
        * parse.c (check_statement_label): Attack the format string
        to a format label for FORMAT statements.
        * trans-io.c (g95_add_field): Define prefix macro.  Replace
        all uses of PREFIX define with a use of this macro.
        (build_dt): Implement formatted I/O for format labels.

2003-01-20  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * lang-options.h: Kill "-std=F".
        * options.c: Remove unimplemented "-std=F".  Modify
        web address.
        * misc.c (g95_terminal_width): New function.
        * error.c (g95_error_init_1): Use g95_terminal_width.
        * g95.h: Add prototype for g95_terminal_width, remove
        fmode flag.

2003-01-19  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * Make-lang.in: Fix typo.

2003-01-18  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * g95.h (struct g95_case): Remove unused cruft, new member
        'where' to keep track of the locus of the default case.
        * match.c (g95_match_case): Add locus to the current case.
        (match_case_selector): Likewise.
        * parse.c (parse_select_block): Move semantics check for
        multiple DEFAULT cases out of here to...
        * resolve.c (check_case_overlap): ...here.  Return sooner
        when possible.
        (check_case_expr): Take two g95_cases now, use to sure the
        expression kinds are the same.
        (resolve_select): Cleanup.

2003-01-18  Paul Brook  <paul@nowt.org>

        * trans-io.c: Fix typos in ported IO work (set_fla[tg]).
        * trans-decl.c (g95_set_symbol_decl): Handle non-array result
        variables.
        (g95_get_extern_function_decl): Put decls in the correct context.

2003-01-18  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * trans-io.c: Port changes from Andy to set ERR flag.

2003-01-17  Paul Brook  <paul@nowt.org>

        * trans-array.c: Add various comments.
        (g95_ss_terminator): Declare as const.
        (g95_walk_expr): Remove first parameter and update all callers.
        (g95_walk_op_expr): Initialize scalar SS properly.
        * trans-array.h (g95_walk_expr): Update prototype.
        * trans-expr.c: Update for new g95_walk_expr.
        * trans-intrinsic.c: Ditto.
        * trans-io.c: Ditto.
        * trans.h: Various comments for SS chains.

2003-01-17  Paul Brook  <paul@nowt.org>

        * intrinsic.h (g95_generic_isym_id): Add G95_ISYM_S?_KIND, SPACING
        and RRSPACING.
        * intrinsic.c (add_functions): Use them.
        * trans-intrinsic.c (g95_conv_intrinsic_function): Ditto.
        * trans-expr.c (g95_conv_expr_lhs): Abort on impossible error.

2003-01-17  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        Fallout of a small merge conflict:
        * intrinsic.c: Un-revert lost patch (G95_ISYM_SCALE).

2003-01-17  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * initrinsic.c: New add_sym_* functions for strong typing.
        (add_conv): Make prototype strict.
        * dump-parse-tree.c, dependency.c: Include config.h
        * resolve.c, trans-io.c: Fix typos.

2003-01-17  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * dump-parse-tree.c (g95_show_code_node): Show the
        condition for a computed GOTO that was transformed
        to a SELECT CASE construct.
        * resolve.c (check_case_overlap): Revert previous switch
        to treaps, it was too slow and didn't catch all trouble.
        (resolve_symbol): Be more flexible about module procedures.
        * symbol.c (check_conflict): Point to relevant section in
        the standard for dubious conflict.  Allow procedure
        dummy arguments to be optional again.
        * trans-io (add_field): Rename to g95_add_field.  Change
        all callers.
        * trans-stmt (trans_select): Handle unbounded cases for
        integer SELECT CASE constructs.  Fix/add more comment.

2003-01-17  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * g95.h: Uses GCC's function attribute macros.
        * error.c, module.c, parse.c, g95.h: More function attributes.

2003-01-16  Steven Bosscher  <s.bosscher@student.tudelft.nl>
        Forgot a file...
        * trans-decl.c (get_label_decl): Use TREE_LINENO instead
        of DECL_SOURCE_LINE, and TREE_FILENAME instead of
        DECL_SOURCE_FILE.

2003-01-16  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * f95-lang.c (pushdecl): Use TREE_LINENO instead of
        DECL_SOURCE_LINE.
        * trans.c (g95_trans_code): Use annotate_all_with_file_line
        instead of nowdead wrap_all_with_wfl.

2003-01-14  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * parse.c (g95_parse_file): In verbose mode, dump the parse tree
        before generating code, so we can still see it even if the code
        generation phase dies.

2003-01-14  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * decl.c (build_sym): Split out initialization expression parts...
        (add_init_expr_to_sym): ...to here.
        (variable_decl): Add the symbol following an attribute list to the
        symbol tree before parsing the optional initialization expression
        if the symbol is not of a derived type.
        * primary.c (g95_match_rvalue): Don't assume a symbol always has
        a value if it is a PARAMETER.

2003-01-14  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * misc.c: Don't #include <mcheck.h>
        * module.c: Ditto.  Kill uses of mtrace, muntrace.  If there
        ever was a glibc bug, then either this was never reported to
        glibc people, or it has been fixed for so long that there's
        no information you can find about it, anywhere.

2003-01-14  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        Fix warnings:
        * module.c (attr_bits, bt_types, array_spec_types):
        Switch 'const' and 'static'.
        * iresolve.c (g95_resolve_reshape): Make __resolve0 non-'const'.

        GNU'ify source code:
        * trans-io.c: Numerous fixes, one fixed warning and a few
        TODO markers so that we don't forget about them.

2003-01-13  Paul Brook  <paul@nowt.org>

        * intrinsic.c (add_functions): Add G95_ISYM_SCALE.
        * intrinsic.h (g95_generic_isym_id): Remove bogus G95_ISYM_ANINIT.
        Add G95_ISYM_SCALE.
        * trans-intrinsic.c (g95_conv_intrinsic_function): Ditto
        * match.c (g95_match_stop): Fix dumb == -> != error.

2003-01-13  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * dump-parse-tree.c (show_indent): Add line breaks.  This
        whole dumping process needs cleanups.
        * f95-lang.c (g95_mark_addressable): Fix prototype to match
        the langhook.  Fix 'return's accordingly.
        * g95-support.h: Adjust prototype.
        * g95.h: Add 'no_backend' member to 'g95_option_t' struct.
        * lang-options.h: Add '-fsyntax-only'.
        * options.c (g95_init_options): Init 'no_backend'.
        (g95_parse_arg): Deal with '-fsyntax-only'.
        * parse.c (g95_parse_file): Do not generate code if 'no_backend'
        is set.

2003-01-13  Steven Bosscher  <s.bosscher@student.tudelft.nl>
        Patch from Arnaud
        * resolve.c (resolve_symbol): Assumed shape arrays must be dummy
        arguments.  Also make sure that if a symbol is marked INTRINSIC,
        an intrinsic with the symbol's name actually exists.
        (check_conflict): Make EXTERNAL and DIMENSION attributes conflict.
        Do not allow PROCEDURES to have the SAVE, POINTER, TARGET,
        ALLOCATABLE, RESULT, IN_NAMESPACE, OPTIONAL or FUNCTION attribute.

2003-01-13  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * resolve.c (resolve_contained_functions): Fix condition, don't
        throw internal_error if a child namespace has no name.  Apparently
        this can be the case?

2003-01-11  Paul Brook  <paul@nowt.org>

        Port changes from Andy's tree:
        * g95.h (g95_code): Add stop_code.
        * match.c (g95_match_stop): Detter syntax checking.
        * resolve.c (resolve_generic_f0): Return match type.
        (resolve_generic_f): Remove dead/duplicated code.
        (resolve_specific_f): Ditto.
        * dump-parse-tree.c (g95_show_code_node): Handle new STOP format.
        * trans-decl.c (gfor_fndel_stop_*): New fndecl nodes.
        * trans-stmt.c (g95_trans_stop): Handle new STOP format.

2003-01-11  Paul Brook  <paul@nowt.org>

        * trans-array.c: Various documentation/comment changes.
        * trans-stmt.c: Ditto.


2003-01-10  Paul Brook  <paul@nowt.org>

        * options.c/h: Add -fdump-parse-tree as alias of -v.

2003-01-10  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * dump-parse-tree.c (g95_show_namespace): Fixed another
        typo.  Sorry, it's Friday...

2003-01-10  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        Spotted by Tobi:
        * trans-array.c, trans-array.h, trans.c, trans-const.c,
        trans-const.h, trans-decl.c, trans-expr.c, trans.h
        trans-intrinsic.c, trans-io.c, trans-stmt.c, trans-stmt.h
        trans-types.c: Fix bogus copyright years, add 2003.
        * trans-types.h: Give copyright header.

2003-01-10  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * dump-parse-tree.c (g95_show_namespace): Fixed typo.
        * expr.c, options.c, scanner.c: Add some more 'const' markers.
        * intrinsic.c: Some constant strings moved to read-only memory.
        * io.c (format_asterisk): Move to...
        * g95.h: ...here.

2003-01-10  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * dump-parse-tree.c (g95_show_namespace): Dump implicit
        types for ranges instead of per-letter.  Indent the
        'CONTAINS' just like everything else.
        * resolve.c (resolve_contained_functions): Clarify comment.
        Explain non-obvious conditional expression.  Improve
        diagnostics if tyoe cannot be resolved.
        Port semi-fix from Andy's tree:
        (was_declared): Move up before first use.
        (generic_sym, specific_sym): New functions.  Code moved
        out if procedure_kind.
        (procedure_kind): Simplify using new functions.
        (resolve_generic_f): Make sure the functions we find in
        a parent namespace is generic.
        (resolve_specific_f): Ditto for specific functions.

2003-01-10  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * trans-stmt.c, trans.c: Fix some code style issues. Add
        some more comment (but still not enough!).

2003-01-10  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * symbol.c (flavors, procedures, intents, acces_types,
        access_types, ifsrc_types): Make const.
        * misc.c (g95_string2code): Make 'm' param 'const'.
        * module.c (find_enum, write_atom, mio_name): Make
        'm' param 'const'.
        (attr_bits, bt_types, array_spec_types, array_ref_types,
        ref_types, expr_types): Make const.
        * g95.h: Adjust external decls.

2003-01-09  Paul Brook  <paul@nowt.org>

        * Testsuite: Add a load of new cases.

2003-01-08  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * Make-file.in: Add dependency on back end header files;
        a parallel build should work now.
        * f95-lang-c (lang_identifier): Remove bogus comment.
        (g95_be_parse_file): Fix prototype.
        (g95_init): Make static.
        (g95_finish): Make static.
        * error.c (g95_syntax_error): Kill. Make define in...
        * g95.h (g95_syntax_error): Define.
        (g95.options): Make 'source' member 'const'.
        * interface.c (g95_match_interface): Explain
        hard-to-read condition.
        (g95_match_end_interface): Ditto.
        * trans_const.c (g95_build_string_const): Make 's' parameter
        'const'.
        * trans_const.h: Adjust protoype accordingly.
        * trans-decl.c: Include tree-dump.h
        (g95_generate_function_code): Build fixes for recent changes
        in the tree-ssa branch.

2003-01-08  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * format.c: Kill, move code from here...
        * io.c: ...to here.
        * Make-lang.in: Adjust.
        * MANIFEST: Ditto.
        * match.h: Ditto.
        * BUGS: Mention where to submit bugs.  Move old content...
        * TODO: ...to here.  New file.

2003-01-08  Steven Bosscher  <s.bosscher@student.tudelft.nl>
        Fix most warnings, and suppress the ones we can't fix for now.
        * Make-lang.in: Suppress warnings about bad proto's in g95.h,
        these warnings just clutter the screen and there's not much
        we can do about them for now anyway.
        * check.c, iresolve.c: Mark unused function parameters.
        * dump-parse-tree.c (g95_show_array_spec): Punt on AS_UNKNOWN,
        they should be resolved before they get here.
        * error.c: Remove unused FILE *status_out.
        * f95-lang.c (g95_init): Remove bogus cast.
        * Many files: Make things 'const' where required.
        * g95.h: Fix prototypes for all modified functions above.
        (g95_options): Remove 'object' member.

2003-01-07  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * Make-file.in: Cleanup bogus targets.  Add more comment.
        * lang-options.h: New option '-w'.
        * g95.h: add no_options field to struct g95_options.
        * options.c (g95_init_options): Default no_warnings to off.
        (g95_parse_arg): Recognise the '-w' switch and its alias,
        '-fno-warnings'.
        * error.c (g95_warning, g95_warning_now): Don't emit warning if
        no_warning option is set.
        * iresolve.c (g95_resolve_shape): Fix warning.

2003-01-07  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * primary.c (g95_next_string_char): Rename next_string_char, and
        make static.  Adjust callers accordingly.
        * resolve.c (resolve_generic_f0): Return try, not match.  Adjust
        callers accordingly.
        * g95.h: Split out all g95_match* functions to...
        * match.h: ...here. New file.
        * array.c, decl.c, expr.c, format.c, interface.c, io.c, match.c,
        matchexp.c, module.c, parse.c, primary.c: Inlcude match.h

2003-01-07  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * symbol.c (g95_clear_new_implicit, g95_add_new_implicit_range,
        g95_merge_new_implicit): New functions.
        (g95_match_implicit_none, g95_match_implicit): Move from here...
        * match.c (g95_match_implicit_none, g95_match_implicit): ... to here.
        Modify to use the new functions in symbol.c.
        * g95.h: Add and move prototypes.

2003-01-06  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * bbt.c (insert): Use a typedef'ed compare_fn prototype for the
        node compare function.
        (g95_insert_bbt): Likewise.
        (g95_insert_bbt_with_overlap): Likewise.
        (g95_delete_bbt): Likewise.
        (delete_treap): Likewise. Also fix a potential bug when calling it.
        * module.c (compare_pointers): Change proto to compare_fn.
        (compare_integers): Likewise.
        (compare_true_names): Likewise.
        (find_true_name): Adjust call to compare_true_names to match proto.
        (require_atom, write_atom, mio_name): Fix 'const' warnings.
        (init_pi_tree): Make compare a compare_fn instead of (int *).
        * resolve.c (compare_cases): Change proto to compare_fn.
        * symbol.c (g95_compare_symtree): Change proto to compare_fn, make
        it static, and rename to compare_symtree.
        (delete_symtree, g95_undo_symbols, g95_new_symtree): Use renamed
        function.
        * g95.h: Kill g95_compare_symtree prototype. Adjust prototypes
        of g95_insert_bbt, g95_insert_bbt_with_overlap, and g95_delete_bbt.

2003-01-06  Steven Bosscher  <s.bosscher@student.tudelft.nl>
        * Make-lang.in: Fix spaces/tabs issues from previous patch.
        * patch.options: Blow away Paul's checkin mistake :-)
        * io.c (terminate_io): Fix memory leak (Arnaud).

2003-01-06  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * Make-lang.in: Teach about building DVI, info manual.
        * g95.texi: New file.

2003-01-02  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_reverse_ss): Make static and don't use.
        (g95_conv_ss_descriptor): Don't use g95_loopinfo
        (g95_conv_array_parameters): Modify for pointer assignments.
        (g95_walk_subexpr): New function.
        (g95_walk_expr*): Use it.
        * trans-array.h (g95_reverse_ss): Remove prototype.
        * trans-expr.c (g95_trans_pointer_assign): Implement.
        (Many): Set se.want_pointer before calling g95_conv_array_parameter.
        * trans-intrinsic.c: Sync with scalarizer changes.
        * trans-io.c: Ditto.

2002-12-29  Paul Brook  <paul@nowt.org>

        * trans-array.c: Document calling convention for arrays.

2002-12-19  Paul Brook  <paul@nowt.org>

        * trans-intrinsic.c (g95_conv_intrsinsic_function): Remove incorrect
        assertion. Remove intrinsic subroutine G95_ISYM_* cases. Always pass
        optional parameters for some intrinsics.
        (g95_is_intrinsic_libcall): Add G95_ISYM_RESHAPE.
        * trans-expr.c (g95_conv_function_call): Pass NULL for absent
        optional parameters.
        * trans.h (g95_se): Add ignore_optional flag.

2002-12-15  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_conv_array_parameter): Fix partial rank sections.
        * trans-decl.c (g95_generate_function_code): Use TDI_original.

2002-12-14  Paul Brook  <paul@nowt.org>

        * trans-stmt.c (g95_trans_call): Use resolved symbol name.

2002-12-12  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_trans_array_constructor_subarray): Fully
        initialize the scalarizer.
        (various): Update to new format of g95_expr->value.constructor.

2002-12-08  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_put_offset_into_var): New function.
        (g95_trans_array_constructor_subarray): New function.
        (g95_trans_array_constructor_value): Use it.
        (g95_array_cons_size): Don't abort() on array components.

2002-12-08  Paul Brook  <paul@nowt.org>

        * Make-lang.in (F95_ADDITIONAL_OBJS): Remove tree-dchain.o.
        * support.c: Update #includes.
        (statement_code_p, c_size_in_bytes, s_size_type_node): Remove.
        * trans-array.c: Update #includes.
        * trans.c: Ditto.
        * trans-const.c: Ditto.
        * trans-io.c: Ditto.
        * trans-types.c: Ditto.
        (g95_init_types): Set size_type_node.
        * trans-decl.c: Update #includes.
        (gfor_fndecl_adjust{l,r}): Declare and initialize.
        * trans-stmt.c: Update #includes.
        (g95_trans_do_while): Generate LABEL_EXPR, not GOTO_EXPR.
        (g95_trans_select): Fix check for unbounded ranges.
        * trans-expr.c: Update #includes.
        (g95_conv_string_tmp): New function.
        (g95_conv_concat_op): Use it.
        * trans.h (g95_conv_string_tmp, gfor_fndecl_adjust{l,r}): Declare.
        * Trans-intrisic.c: Update #includes.
        (g95_conv_intrinsic_strcmp): New function.
        (g95_conv_intrinsic_adjust): Ditto.
        (g95_conv_intrinsic_function: Use them.

2002-11-30  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_walk_function_expr): Handle non-array return by
        reference.
        * trans-dec.c (g95_build_function_decl): Handle character return
        parammeters.
        (g95_get_fake_result_decl): Ditto.
        (g95_trans_deferred_vars): Ditto.
        * trans-expr.c (g95_conv_function_call): Ditto.
        (g95_trans_arrayfunc_assign) Limit to array valued functions.
        * trans-intrinsic.c (g95_conv_intrinsic_char): New function.
        (g95_conv_intrinsic_function): Use it.
        * trans-types.c (g95_sym_type): Handle functions returning strings.
        (g95_return_by_reference): Ditto.
        (g95_get_function_type): Ditto.

2002-11-18  Paul Brook  <paul@nowt.org>

        * trans-stmt.c (g95_trans_if): Fix IF statements when the condition
        requires a temporary.
        (g95_trans_select): Handle computed gotos.
        * trans-types.c (g95_build_array_type): Warn about non-functional
        assumed shape arrays.
        * trans-expr.c (g95_trans_scalar_assign): Correctly handle post
        blocks.
        * trans-intrinsic.c (g95_conv_intrinsic_round): New function.
        (g95_conv_intrinsic_int): New function.
        (g95_conv_intrinsic_mod): New function.
        (g95_conv_intrinsic_ichar): New function.
        (g95_conv_intrinsic_function): Use them.
        (g95_conv_intrinsic_dim): Use g95_evaluate_now.

2002-11-17  Toon Moene  <toon@moene.indiv.nluug.nl>

        * trans-types.c (g95_build_array_type): Assumed
        sized arrays can have rank > 1.
        * trans.c (g95_trans_code): Remove erroneous
        warning about CONTINUE.
        * trans-expr.c (g95_conv_variable): Remove
        erroneous assert.

2002-11-15  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_conv_array_parameter): Check for NULL stride.

2002-10-31  Paul Brook  <paul@nowt.org>

        * f95-tree.c: Remove tree copying stuff that's now in gimple.c
        * trans-expr.c (g95_conv_component_ref): Handle character string
        components.
        (g95_conv_string_parameter): Ditto.
        * trans-types.c (g95_get_derived_type): Add length decl to caracter
        string components.

2002-10-10  Paul Brook  <paul@nowt.org>

        * trans-decl.c (gfor_fndecl_size?): Declare and initialize.
        * trans-expr.c (g95_conv_function_call): Remove unreliable return value
        check.
        * trans-intrinsic.c (g95_conv_intrinsic_size): New function.
        (g95_conv_intrinsic_function): Handle size and shape intrinsics.
        (g95_is_intrinsic_libcall): Add G95_ISYM_SHAPE.
        * trans-types.c (pvoid_type_node): Declare and initialize.
        * trans-array.c: Fix typo COMPONENT_REF->REF_COMPONENT
        (g95_array_allocate): Fix when base==data.
        (g95_conv_array_parameter): Correctly handle reduced rank sections.
        * trans-io.c (g95_trans_write): Correctly handle string modifiers.

2002-10-09  Paul Brook  <paul@nowt.org>

        * (g95_conv_expr_reference): Handle character strings correctly.

2002-10-07  Paul Brook  <paul@nowt.org>

        (g95_expand_decl): Rename from f95_expand_decl_stmt and use as
        langhook.
        * trans-array.c (g95_build_array_initializer): Remove.
        (g95_conv_array_initializer): New Function.
        (g95_trans_auto_arry_allocation): Cleanup.
        (g95_trans_init_character_array): Remove.
        * g95spec.c: Link in libgforbegin.
        * trans.c (g95_generate_code): Rename main function to MAIN__.
        (g95_create_var): New function.
        (g95_create_var_np): New function.
        (g95_evaluate_now): New function.
        (g95_start_block): New function.
        (g95_finish_block): New function.
        (g95_add_expr_to_block): New function.
        (g95_add_block_to_block): New function.
        * trans-expr.c (g95_conv_componen_ref): New function.
        * Make-lang.in (F95_ADDITIONAL_OBJS): Add gimplify.o.
        (F95_OBJS): Add dependency.o.
        * f95-lang.c (g95_is_simple_stmt): Remove.
        * f95-tree.c (mark_not_simple): New function.
        (unshare_all_trees): New function.
        (create_tmp_var, create_tmp_alias_var): Remove.
        * support.c (declare_tmp_vars, tree_last_decl): Remove.
        * trans*: Convert to new IR using GENERIC trees.  Don't bother about
        SIMPLE/GIMPLE rules, this is now done by Lang-independant code.

2002-10-01  Paul Brook  <paul@nowt.org>

        * trans-array.c: Add support for descriptorless arrays.
        (g95_conv_array_data): New function.
        (g95_conv_array_base): New function.
        * trans-array.h: Declare these here.
        * trans-decl.c(g95_create_mopdule_variable): Perform variable
        initialization and creation here.
        (g95_create_module_vars): Instead of here.
        * trans.h (G95_TYPE_ARRAY_*: Rename from G95_TYPE_DESCRIPTOR_*.
        * trans-intrinsic.c: Ditto.
        * trans-types.c (g95_is_nodesc_array): New function.
        (g95_get_nodesc_array_type): New function.
        (g95_sym_type, g95_get_derived_type): Use them.
        * trans-const.c (g95_conv_mpf_to_tree): Remove workaround.

2002-09-28  Paul Brook  <paul@nowt.org>

        * trans-const.c (g95_conv_mpf_to_tree): Work around backend bug.
        * trans-intrinsic.c (g95_conv_intrinsic_abs): Correctly detect complex
        parameters.

2002-09-24  Paul Brook  <paul@nowt.org>

        * f95-lang.c (listify): Remove declaration.
        (expand_function_body): Use optimize >=1 instead of flag_tree_saa.
        (listify)
        * f95-tree.c (get_name): New function.
        * trans.c (module_namespace): Remove.
        * trans-decl.c: Use g95_chainon_list rather than chainon(listify()).
        * trans-types.c: Ditto.

2002-09-19  Paul Brook  <paul@nowt.org>

        * trans-array.c (g95_get_array_cons_size): New Function.
        (g95_con_ss_startstride): Handle Array constructors.
        (g95_conv_loop_setup): Ditto.
        (g95_conv_array_parameter): Ditto.
        * tras-decl.c (g95_finish_var_decl): Make initializes variables
        static.

2002-09-19  Paul Brook  <paul@nowt.org>

        * trans.c (g95_simple_fold_tmp): Detect variables inside
        NON_LVALUE_EXPR.
        * trans-stmt.c (g95_trans_arithmetic_if): Implement this.

2002-09-18  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * Make-lang.in (F95_ADDITIONAL_OBJS): Add tree-ssa-dce.o

2002-09-14  Paul Brook  <paul@nowt.org>

        * trans.c (g95_create_module_variable): Move to trans-decl.c.
        * trans-const.c (g95_conv_string_init): New Function.
        * trans-const.h: Declare it.
        * trans-decl.c (g95_get_symbol_decl): Handle initializers for static
        variables. Don't bail on intrinsic symbols.
        (get_extern_function_decl): Handle specific intrinsic functions.
        * trans-types.c (g95_sym_type): Dummy functions don't return
        reference types.
        * trans-array.c (g95_build_array_initializer): New Function.
        (g95_trans_auto_array_allocation): Build initializer for static decls.
        Don't use mpz_addmul, it's GMP4 only.

2002-09-12  Paul Brook  <paul@nowt.org>

        * trans-decl.c (g95_generate_code): Fix thinko with return variable.
        (g95_get_extern_function_decl, g95_build_function_decl): Mangle
        assembler names for module procedures.

2002-09-11  Tobias Schlueter  <Tobias.Schlueter@physik.uni-muenchen.de>

        * trans-array.c,h trans-expr.c, trans-stmt.c: Correct spelling of
        dependency/

2002-09-10  Paul Brook  <paul@nowt.org>

        * trans-array.c: Change format of G95_SS_TEMP strictures.
        (g95_check_fncall_dependancy): New function.
        (trans_dummy_array_bias): stride[n], not stride[n-1]. for calculating
        offsets.
        * trans-decl.c (g95_get_symbol_decl): move assertion after handling of
        result variables.
        (g95_build_function_decl): Don't assume result arrays are packed.
        (g95_trans-deferred-vars): Handle array result variables.
        (g95_generate_fuction_code): Clear saved_function_decls.
        * trans-expr.c (g95_conv_fnction_call): Handle direct array return by
        reference.
        (g95_trans_arrayfunc_assign): New function.
        (g95_trans_assignment): Use it.
        * trans.h (g95_ss): Add temp struct for G95_SS_TEMP.
        (g95_se): Add direct_byref.
        * trans-types.c: Use sym->result rather than sym where appropriate.
        * trans-intrinsic.c (g95_conv_intrinsic_funcall): New function.
        Update other functions to use this.
        (g95_is_intrinsic_libcall): New function.
        (g95_conv_intrinsic_function): Add MATMUL and PRODUCT intrinsics.
        (g95_walk_intrinsic_function): Ditto.

2002-09-08  Paul Brook  <paul@nowt.org>

        * trans-types.c: Change rank field to dtype field in array descriptor.
        * trans-array.c: Implement filling of dtype array descriptor field.
        * trans-intrinsic.c: Fix broken LEN intrinsic.

2002-09-07  Paul Brook  <paul@nowt.org>

        * trans-intrinsic.c: Remove outdated todo intrinsic list.
        (g95_get_symbol_for_expr): Remove hack for fortran based intrinsics.
        (g95_walk_intrinsic_function): Add MINLOC and MAXLOC.

2002-09-06  Paul Brook  <paul@nowt.org>

        * Make-lang.in (F95_ADDITIONAL_OBJS): Add tree_alias_comon.o.
        (gt-f95-trans-types.h): Add dependancy information.
        * config-lang.in (gtfiles): Add trans-types.c
        * f95-lang.c (g95_be_parse_file): Pass error and warning counts
        back to top-level code.
        * trans-array.c, trans-types.c: Change format of array descriptor.
        (g95_conv_descriptor_dimension): New function.
        * trans-types.h (g95_conv_descriptor_rank): define.
        * trans-intrinsic.c: Implement PRODUCT, COUNT. MINLOC and MAXLOC
        intrinsics.

2002-09-02  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * trans-array.c, trans-types.c: Add rank information to descriptor.

2002-09-06  Tobias Schlueter  <Tobias.Schlueter@physik.uni-muenchen.de>

        * trans-stmt.c (g95_trans_allocate): Fix when ref==NULL.

2002-09-04  Paul Brook  <paul@nowt.org>

        * f95-lang.c (g95_create_decls): New function.
        (g95_init):  Move initialization of external decls to above, and call
        from g95_be_parse_file.
        * trans.c (g95_finish_stmt): Don't amputate the decl chain.
        * trans-types.c (g95_init_types): Always name integer and char types.
        (g95_get_array_type_bounds): TYPE_NAME may be a TYPE_DECL.

2002-09-02  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * Make-lang.in: Add options.c to F95_PARSER_OBJS

2002-09-02  Paul Brook  <paul@nowt.org>

        * g95_generate_code: Clear the attr for __fortran_main.
        * trans-types.c (g95_finish_type): New function.
        * g95_init_io_state_type: Use g95_finish_type.
        * g95_conv_intrinsic_anyall: Fix thinko in result initialization.

2002-09-01  Paul Brook  <paul@nowt.org>

        * README.backend: Warn about the dangers of extra config.h files.
        Remove obsolete libgfor stuff.
        * config-lang.in: Add target-libgfor dependancy.
        * g95_conv_mpf_to_tree: Use & free allocated buffer p rather than buff.

2002-09-01  Toon Moene  <toon@moene.indiv.nluug.nl>

        * g95_conv_mpz_to_tree: Free storage pointed to by q,
        not by buff.

2002-08-30  Paul Brook  <paul@nowt.org>

        * trans-intrinsic.c (g95_conv_intrinsic_function,
        g95_walk_intrinsic_function): Added ANY and ALL.
        (g95_conv_intrinsic_anyall): New function.
        * iresolve.c (g95_resolve_any, g95_resolve_all): Include rank in
        mangled name