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

2007-07-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32724
        * parse.c (parse_spec): Emit error on unexpected statement
        function.

2007-07-13  Daniel Franke  <franke.daniel@gmail.com>

        * invoke.texi: Unified upper- and lower-case in menus.
        (-w, -W): Removed, documented by gcc.
        * intrinsic.texi: Unified Class-section entries, added
        subroutine/function warning where appropiate.

2007-07-12  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31639
        * decl.c (gfc_match_suffix): Removed surplus general error that hides
        a more specific message.
        * resolve.c (resolve_fl_variable): Reject illegal initializiers only
        if not already done.
        (resolve_fl_procedure): Added check for initializers of functions.

2007-07-12  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32704
        * invoke.texi (-static-libgfortran): Document new option.

2007-07-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32634
        PR fortran/32727
        * module.c (write_generic): Restore patch of 2007-07-10 and use
        symbol name if there are no use names. 

2007-07-12  Christopher D. Rickett  <crickett@lanl.gov>

        PR fortran/32599
        * decl.c (verify_c_interop_param): Require character string dummy
        args to BIND(C) procedures to have length 1.
        * resolve.c (resolve_fl_procedure): Modify parameter checking for
        BIND(C) procedures.

        PR fortran/32601
        * resolve.c (gfc_iso_c_func_interface): Verify that a valid
        expression is given as an argument to C_LOC and C_ASSOCIATED.
        * trans-io.c (transfer_expr): Add argument for code block.  Add
        standards check to determine if an error message should be
        reported for printing C_PTR or C_FUNPTR.
        (transfer_array_component): Update arguments to transfer_expr.
        (gfc_trans_transfer): Ditto.

        * symbol.c (gen_cptr_param): Fix whitespace.

2007-07-12  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/32550
        * trans.h (GFC_POINTER_TYPE_P): Define.
        * trans-types.c (gfc_sym_type): Set it for types on attr->sym.pointer.
        * trans-openmp.c (gfc_omp_privatize_by_reference): Return false
        if GFC_POINTER_TYPE_P is set on the type.

2007-07-12  Richard Guenther  <rguenther@suse.de>

        * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Convert
        arguments to gfc_charlen_type_node.
        * trans-io.c (gfc_convert_array_to_string): Convert type
        size to gfc_array_index_type.

2007-07-12  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32634
        PR fortran/32727
        * module.c: Reverted Paul's patch from 2007-07-10.

2007-07-11  Richard Guenther  <rguenther@suse.de>

        * trans-array.c (gfc_conv_array_parameter): Use correct
        types for comparison.
        * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Use
        correct types for POINTER_PLUS_EXPR.
        * trans-stmt.c (gfc_trans_forall_loop): Use correct type
        for integer one constant.

2007-07-10  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32157
        * resolve.c (is_external_proc): New function.  Adds test that
        the symbol is not an intrinsic procedure.
        * (resolve_function, resolve_call): Replace logical statements
        with call to is_external_proc.

        PR fortran/32689
        * simplify.c (gfc_simplify_transfer): If mold has rank, the
        result is an array.

        PR fortran/32634
        * module.c (write_generic): Write the local name of the
        interface. 

2007-07-09  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/29459
        * trans-array.c (gfc_trans_array_constructor): Mark offset field
        with TREE_NO_WARNING.
        * trans-decl.c (gfc_build_qualified_array): Mark lbound, ubound,
        stride and size variables with TREE_NO_WARNING.

2007-07-09  Steven G. Kargl  <kargl@gcc.gnu.org>

        * trans-decl.c (set_tree_decl_type_code): Remove function.
        (generate_local_decl): Remove reference to set_tree_decl_type_code.

2007-07-09  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31129
        * trans-decl.c (generate_local_decl) Emit a warning if an unused
        parameter is found.

2007-07-08  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/29876
        * module.c (gfc_match_use): Do not set an non-existant 
        intrinsic operator if a user-defined operator is found.

2007-07-08  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/24784
        PR fortran/28004
        * trans-decl.c (generate_local_decl): Adjusted warning on unused 
        dummy arguments, tell middle-end not to emit additional warnings.

2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
            Tobias Schlüter <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/17711
        * gfortran.h (gfc_intrinsic_op): Added INTRINSIC_EQ_OS,
        INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS, 
        INTRINSIC_LT_OS and INTRINSIC_LE_OS.
        * arith.c (eval_intrinsic, eval_type_intrinsic0): Likewise.
        * arith.h (gfc_eq, gfc_ne, gfc_gt, gfc_ge, gfc_lt, gfc_le):
        Added gfc_intrinsic_op as third argument type.
        * dump-parse-tree.c (gfc_show_expr): Account for new enum values.
        * expr.c (simplify_intrinsic_op, check_intrinsic_op): Likewise.
        * interface.c (check_operator_interface): Likewise.
        (gfc_check_interfaces): Added cross-checks for FORTRAN 77 and 
        Fortran 90 style operators using new enum values.
        (gfc_extend_expr): Likewise.
        (gfc_add_interface): Likewise.
        * match.c (intrinsic_operators): Distinguish FORTRAN 77 style
        operators from Fortran 90 style operators using new enum values.
        * matchexp.c (match_level_4): Account for new enum values.
        * module.c (mio_expr): Likewise.
        * resolve.c (resolve_operator): Deal with new enum values, fix
        inconsistent error messages.
        * trans-expr.c (gfc_conv_expr_op): Account for new enum values.

2007-07-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/32669
        * interface.c (get_expr_storage_size): Properly obtain lower bound.
        (compare_actual_formal): Add space before parenthesis.

2007-07-08  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/25094
        * resolve.c (resolve_fl_procedure): Added check for PRIVATE types 
        in PUBLIC interfaces.

2007-07-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/32644
        * decl.c (match_attr_spec): Don't return MATCH_ERROR if comma found and
        gfc_match_bind_c does not return MATCH_YES.

2007-07-07  Kazu Hirata  <kazu@codesourcery.com>

        * decl.c, gfortran.h, interface.c, module.c, resolve.c,
        trans-array.c, trans-decl.c: Fix comment typos.  Follow
        spelling conventions.
        * intrinsic.texi: Fix typos.  Follow spelling conventions.

2007-05-06  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32633
        * symbol.c (save_status): New.
        * gfortran.h (save_status): Added external declaration.
        (check_conflict): Check for conflicting explicite SAVE statements
        only.
        (gen_special_c_interop_ptr): Use SAVE_EXPLICIT constant.
        * module.c (ab_attribute, attr_bits): Removed enumerator value 
        AB_SAVE for save attribute.
        (mio_symbol_attribute): Import/export the full SAVE status, 
        removed usage of AB_SAVE.
        * dump-parse-tree.c (gfc_show_attr): Dump full SAVE status.
        * decl.c (add_init_expr_to_sym): Set SAVE_IMPLICIT only if not
        already explicit.

2007-07-05  Daniel Franke  <franke.daniel@gmail.com>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/32359
        * gfortran.h (symbol_attribute): Change save attribute into an enum.
        * decl.c (add_init_expr_to_sym): Set it to SAVE_IMPLICIT.
        * symbol.c (gfc_add_save): Check for SAVE_EXPLICIT.
        * resolve.c (resolve_fl_variable): Check for SAVE_EXPLICIT.
        (resolve_symbol): Allow OMP threadprivate with
        initialization SAVEd and save_all variable.
        * trans-decl.c (gfc_finish_var_decl): Remove obsolete sym->value check.

2007-07-05  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32526
        * match.c (gfc_match_call): Check, in all cases, that a symbol
        is neither generic nor a subroutine before trying to add it as
        a subroutine.

        PR fortran/32613
        * match.c (gfc_match_do): Reset the implied_index attribute.

2007-07-04  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31198
        * trans-intrinsic.c (trans-intrinsic.c): Handle optional
        arguments correctly for MIN and MAX intrinsics.

2007-07-03  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/32545
        * io.c (check_format): Always call gfc_error for errors.
        (check_format_string): Change type of this function to try and
        return the result of check_format.
        (check_io_constraints): Return MATCH_ERROR if check_format_string
        returns FAILURE.

2007-07-03  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/32612
        * decl.c (get_proc_name): Include attr->mod_proc in check for error.

2007-07-03  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/32432
        * gfortran.h: Change type of gfc_assign_data_value from void to try.
        * data.c (gfc_assign_data_value): Return FAILURE if error found.
        * resolve.c (check_data_variable): If gfc_assign_data_value returns
        failure, break out of loop and return failure.

2007-07-03  Christopher D. Rickett  <crickett@lanl.gov>

        PR fortran/32579
        * symbol.c (gen_cptr_param): Generate C_PTR and C_FUNPTR if necessary.
        (build_formal_args): Pass intrinsic module symbol id to
        gen_cptr_param.

2007-07-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/25062
        * resolve.c (resolve_common_blocks): New check function.
        (resolve_types): Use it.

2007-07-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30940
        * interface.c (get_sym_storage_size): New function.
        (get_sym_storage_size): New function.
        (compare_actual_formal): Enhance sequence association
        support and improve checking.

2007-07-03  Janne Blomqvist  <jb@gcc.gnu.org>

        * trans-decl.c (gfc_build_builtin_function_decls): Mark
        internal_realloc as a malloc function.

2007-07-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/20888
        * resolve.c (resolve_operator): Check for NULL as operand.

2007-07-02  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (Fortran 2003): Add ISO Bind C.
        * intrinsic.texi (C_ASSOCIATED,C_F_POINTER,C_F_PROCPOINTER,
        C_FUNLOC,C_LOC): Document new ISO Bind C intrinsics.

2007-07-01  Christopher D. Rickett  <crickett@lanl.gov>

        * interface.c (gfc_compare_derived_types): Special case for comparing
        derived types across namespaces.
        (gfc_compare_types): Deal with BT_VOID.
        (compare_parameter): Use BT_VOID to accept ISO C Binding pointers.
        * trans-expr.c (gfc_conv_function_call): Remove setting parm_kind
        to SCALAR
        (gfc_conv_initializer): Deal with ISO C Binding NULL_PTR and 
        NULL_FUNPTR.
        (gfc_conv_expr): Convert expressions for ISO C Binding derived types.
        * symbol.c (gfc_set_default_type): BIND(C) variables should not be
        Implicitly declared.
        (check_conflict): Add BIND(C) and check for conflicts.
        (gfc_add_explicit_interface): Whitespace.       
        (gfc_add_is_bind_c): New function.  
        (gfc_copy_attr): Use it.
        (gfc_new_symbol): Initialize ISO C Binding objects.
        (get_iso_c_binding_dt):  New function.
        (verify_bind_c_derived_type): Ditto.
        (gen_special_c_interop_ptr): Ditto.
        (add_formal_arg): Ditto.
        (gen_cptr_param): Ditto.
        (gen_fptr_param): Ditto.
        (gen_shape_param): Ditto.
        (add_proc_interface): Ditto.
        (build_formal_args): Ditto.
        (generate_isocbinding_symbol):  Ditto.
        (get_iso_c_sym):  Ditto.
        * decl.c (num_idents_on_line, has_name_equals): New variables.
        (verify_c_interop_param): New function.
        (build_sym): Finish binding labels and deal with COMMON blocks.
        (add_init_expr_to_sym): Check if the initialized expression is
        an iso_c_binding named constants
        (variable_decl): Set ISO C Binding type_spec components.
        (gfc_match_kind_spec): Check match for C interoperable kind.
        (match_char_spec): Fix comment. Chnage gfc_match_small_int
        to gfc_match_small_int_expr.  Check for C interoperable kind.
        (match_type_spec): Clear the current binding label.
        (match_attr_spec): Add DECL_IS_BIND_C.  If BIND(C) is found, use it
        to set attributes.
        (set_binding_label): New function.
        (set_com_block_bind_c): Ditto.
        (verify_c_interop): Ditto.
        (verify_com_block_vars_c_interop): Ditto.
        (verify_bind_c_sym): Ditto.
        (set_verify_bind_c_sym): Ditto.
        (set_verify_bind_c_com_block): Ditto.
        (get_bind_c_idents): Ditto.
        (gfc_match_bind_c_stmt): Ditto.
        (gfc_match_data_decl): Use num_idents_on_line.
        (match_result): Deal with right paren in BIND(C).
        (gfc_match_suffix): New function.
        (gfc_match_function_decl): Use it.  Code is re-arranged to deal with
        ISO C Binding result clauses.
        (gfc_match_subroutine):  Deal with BIND(C).
        (gfc_match_bind_c): New function.
        (gfc_get_type_attr_spec): New function.  Code is re-arranged in and
        taken from gfc_match_derived_decl.
        (gfc_match_derived_decl): Add check for BIND(C).
        * trans-common.c: Forward declare gfc_get_common.
        (gfc_sym_mangled_common_id): Change arg from 'const char *name' to
        'gfc_common_head *com'.  Check for ISO C Binding of the common block.
        (build_common_decl): 'com->name' to 'com in SET_DECL_ASSEMBLER_NAME.
        * gfortran.h: Add GFC_MAX_BINDING_LABEL_LEN
        (bt): Add BT_VOID
        (sym_flavor): Add FL_VOID.
        (iso_fortran_env_symbol, iso_c_binding_symbol, intmod_id): New enum
        (CInteropKind_t): New struct.
        (c_interop_kinds_table): Use it.  Declare an array of structs.
        (symbol_attribute): Add is_bind_c, is_c_interop, and is_iso_c
        bitfields.
        (gfc_typespec): Add is_c_interop; is_iso_c, and f90_type members.
        (gfc_symbol): Add from_intmod, intmod_sym_id, binding_label, and
        common_block members.
        (gfc_common_head): Add binding_label and is_bind_c members.
        (gfc_gsymbol): Add sym_name, mod_name, and binding_label members.
        Add prototypes for get_c_kind, gfc_validate_c_kind, 
        gfc_check_any_c_kind, gfc_add_is_bind_c, gfc_add_value,
        verify_c_interop, verify_c_interop_param, verify_bind_c_sym,
        verify_bind_c_derived_type, verify_com_block_vars_c_interop,
        generate_isocbinding_symbol, get_iso_c_sym, gfc_iso_c_sub_interface
        * iso-c-binding.def: New file. This file contains the definitions
        of the types provided by the Fortran 2003 ISO_C_BINDING intrinsic
        module.
        * trans-const.c (gfc_conv_constant_to_tree): Deal with C_NULL_PTR
         or C_NULL_FUNPTR expressions.
        * expr.c (gfc_copy_expr): Add BT_VOID case.  For BT_CHARACTER, the
        ISO C Binding requires a minimum string length of 1 for '\0'.  
        * module.c (intmod_sym): New struct.
        (pointer_info): Add binding_label member.
        (write_atom): Set len to 0 for NULL pointers. Check for NULL p and *p.
        (ab_attribute): Add AB_IS_BIND_C, AB_IS_C_INTEROP and AB_IS_ISO_C.
        (attr_bits): Add "IS_BIND_C", "IS_C_INTEROP", and "IS_ISO_C".
        (mio_symbol_attribute): Deal with ISO C Binding attributes.
        (bt_types): Add "VOID".
        (mio_typespec): Deal with ISO C Binding components.
        (mio_namespace_ref): Add intmod variable. 
        (mio_symbol): Check for symbols from an intrinsic module.
        (load_commons): Check for BIND(C) common block.
        (read_module): Read binding_label and use it.
        (write_common): Add label.  Write BIND(C) info.
        (write_blank_common): Blank commons are not BIND(C).  Explicitly
        set is_bind_c=0.
        (write_symbol): Deal with binding_label.
        (sort_iso_c_rename_list): New function.
        (import_iso_c_binding_module): Ditto.
        (create_int_parameter): Add to args.
        (use_iso_fortran_env_module): Adjust to deal with iso_c_binding
        intrinsic module.
        * trans-types.c (c_interop_kinds_table): new array of structs. 
        (gfc_validate_c_kind): New function.
        (gfc_check_any_c_kind): Ditto.
        (get_real_kind_from_node): Ditto.
        (get_int_kind_from_node): Ditto.
        (get_int_kind_from_width): Ditto.
        (get_int_kind_from_minimal_width): Ditto.
        (init_c_interop_kinds): Ditto.
        (gfc_init_kinds): call init_c_interop_kinds.
        (gfc_typenode_for_spec): Adjust for BT_VOID and ISO C Binding pointers.
        Adjust handling of BT_DERIVED.
        (gfc_sym_type): Whitespace.
        (gfc_get_derived_type):  Account for iso_c_binding derived types
        * resolve.c (is_scalar_expr_ptr): New function.
        (gfc_iso_c_func_interface): Ditto.
        (resolve_function): Use gfc_iso_c_func_interface. 
        (set_name_and_label): New function.
        (gfc_iso_c_sub_interface): Ditto.
        (resolve_specific_s0): Use gfc_iso_c_sub_interface.
        (resolve_bind_c_comms): New function.
        (resolve_bind_c_derived_types): Ditto.
        (gfc_verify_binding_labels): Ditto.
        (resolve_fl_procedure): Check for ISO C interoperability.
        (resolve_symbol): Check C interoperability.
        (resolve_types): Walk the namespace.  Check COMMON blocks.
        * trans-decl.c (gfc_sym_mangled_identifier):  Prevent the mangling
        of identifiers that have an assigned binding label.
        (gfc_sym_mangled_function_id): Use the binding label rather than
        the mangled name.
        (gfc_finish_var_decl): Put variables that are BIND(C) into a common
        segment of the object file, because this is what C would do.
        (gfc_create_module_variable): Conver to proper types
        (set_tree_decl_type_code): New function.
        (generate_local_decl): Check dummy variables and derived types for
        ISO C Binding attributes.
        * match.c (gfc_match_small_int_expr): New function.
        (gfc_match_name_C): Ditto.
        (match_common_name): Deal with ISO C Binding in COMMON blocks
        * trans-io.c (transfer_expr):  Deal with C_NULL_PTR or C_NULL_FUNPTR
        expressions
        * match.h: Add prototypes for gfc_match_small_int_expr,
        gfc_match_name_C, match_common_name, set_com_block_bind_c,
        set_binding_label, set_verify_bind_c_sym,
        set_verify_bind_c_com_block, get_bind_c_idents,
        gfc_match_bind_c_stmt, gfc_match_suffix, gfc_match_bind_c,
        gfc_get_type_attr_spec
        * parse.c (decode_statement): Use gfc_match_bind_c_stmt
        (parse_derived): Init *derived_sym = NULL, and gfc_current_block
        later for valiadation.
        * primary.c (got_delim): Set ISO C Binding components of ts.
        (match_logical_constant): Ditto.
        (match_complex_constant): Ditto.
        (match_complex_constant): Ditto.
        (gfc_match_rvalue): Check for existence of at least one arg for
        C_LOC, C_FUNLOC, and C_ASSOCIATED.
        * misc.c (gfc_clear_ts): Clear ISO C Bindoing components in ts.
        (get_c_kind): New function.

2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/32239
        * trans-expr.c (gfc_conv_power_op): Use builtin_powi for
        real**int4 powers.
        * f95-lang.c (gfc_init_builtin_functions): Add builtin_powi to the
        builtins table.

2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

        * trans.h: Remove decls for 64-bit allocation functions.
        * trans-array.c (gfc_grow_array): Always pick the standard realloc
        function decl.
        (gfc_array_allocate): Likewise.
        * trans-decl.c: Remove trees for 64-bit allocation functions.
        (gfc_build_builtin_function_decls): Don't build fndecls for 64-bit
        allocations functions, use index_int_type for normal allocation
        functions.

2007-06-30  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/20373
        * intrinsic.c (add_functions): Additional function types.
        (gfc_convert_type_warn): Remove intrinsic-flag from
        conversion functions.
        * resolve.c (resolve_symbol): Added type checks to 
        explicitly defined intrinsics.

2007-06-30  Tobias Burnus  <burnus@net-b.de>

        PR fortran/32555
        * io.c (check_format): Allow zero to precede the
        P edit descriptor.

2007-06-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32472
        * simplify.c (gfc_simplify_repeat): Add handling of character
        literal for first argument.

2007-06-29  Daniel Franke  <franke.daniel@gmail.com>

        * resolve.c (resolve_operator): Added check whether a user
        defined operator is available.

2007-06-29  Daniel Franke <franke.daniel@gmail.com>

        * openmp.c (resolve_omp_clauses): Adjust error message to
        better reflect the actual requirement.

2007-06-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/32483
        * io.c (format_lex): Fix FMT_ZERO.
        (check_format,check_format_string,gfc_match_format,
        check_io_constraints) Additional checking for READ.

2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>

        PR other/31400
        * lang.opt (static-libgfortran): New option.
        * gfortranspec.c (ADD_ARG_LIBGFORTRAN): New macro.
        (Option): Add OPTION_static and OPTION_static_libgfortran.
        (lookup_option): Handle the new -static-libgfortran option.
        (lang_specific_driver): Check whether -static is passed.
        Handle the new -static-libgfortran option.
        * options.c (gfc_handle_option): If -static-libgfortran is
        passed and isn't supported on this configuration, error out.

2007-06-27  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32467
        * openmp.c (resolve_omp_clauses): Emit error on allocatable
        components in COPYIN, COPYPRIVATE, FIRSTPRIVATE and LASTPRIVATE
        clauses.

2007-06-25  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32464
        * resolve.c (check_host_association): Return if the old symbol
        is use associated.  Introduce retval to reduce the number of
        evaluations of the first-order return value.

        PR fortran/31494
        * match.c (gfc_match_call): If a host associated symbol is not
        a subroutine, build a new symtree/symbol in the current name
        space.

2007-06-24  Tobias Burnus  <burnus@net-de>

        PR fortran/32460
        * interface.c (gfc_compare_derived_types): Add access check.
        * symbol.c (gfc_find_component): Ditto.
        (gfc_set_component_attr,gfc_get_component_attr) Copy access state.
        * dump-parse-tree.c (gfc_show_components): Dump access state.
        * gfortran.h (struct gfc_component): Add gfc_access.
        * module.c (mio_component): Add access state.
        * (gfc_match_structure_constructor): Check for private access state.

2007-06-24  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32298
        PR fortran/31726
        * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Calculate
        the offset between the loop counter and the position as
        defined. Add the offset within the loop so that the mask acts
        correctly.  Do not advance the location on the basis that it
        is zero.

2007-06-22  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31473
        * symbol.c (gfc_copy_attr): Emit errors for duplicate 
        EXTERNAL/INTRINSIC statements.

2007-06-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/32360
        * expr.c (gfc_check_assign): If the rvalue expression type is NULL_EXPR,
        check to see if the lvalue has attribute pointer and data.  

2007-06-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/31162
        * resolve.c (gfc_resolve_iterator_expr): Add check for REAL using
        gfc_notify_standard. (gfc_resolve_iterator): Remove check.
        (resolve_branch): Change "Obsolete" to "Deleted feature".
        * io.c (resolve_tag): Ditto.
        * match.c (gfc_match_pause, gfc_match_assign, gfc_match_goto): Ditto.

2007-06-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/32361
        * match.c (gfc_match_common): If the symbol value expression type is
        NULL_EXPR, don't error if previously initialized.

2007-06-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/25061
        * decl.c (get_proc_name) Check symbol for generic interface
        and issue an error.

2007-06-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
        Richard Guenther  <rguenther@suse.de>

        PR fortran/32140
        * trans.c (gfc_build_addr_expr): Use the correct types.

2007-06-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/20863
        PR fortran/20882
        * resolve.c (resolve_code): Use gfc_impure_variable as a
        condition for rejecting derived types with pointers, in pure
        procedures.
        (gfc_impure_variable): Add test for dummy arguments of pure
        procedures; any for functions and INTENT_IN for subroutines.

        PR fortran/32236
        * data.c (gfc_assign_data_value): Change the ICE on an array
        reference initializer not being an array into an error and
        clear init to prevent a repetition of the error.

2007-06-17  Janne Blomqvist  <jb@gcc.gnu.org>

        * gfortran.texi: Add documentation for GFORTRAN_UNBUFFERED_n
        environment variables. Fix documentation for
        GFORTRAN_UNBUFFERED_ALL environment variable.

2007-06-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Use
        POINTER_PLUS_EXPR instead of PLUS_EXPR for pointer addition.
        * trans-expr.c (gfc_trans_string_copy): Create
        POINTER_PLUS_EXPR instead of a PLUS_EXPR
        for pointer types.

2007-06-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32302
        * trans-common.c (build_common_decl): If resizing of common
        decl is needed, update the TREE_TYPE.

2007-06-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/32323
        * interface.c (has_vector_section): New.
        (compare_actual_formal): Check for array sections with vector subscript.

2007-06-12  Dirk Mueller  <dmueller@suse.de>

        * trans-stmt.c (gfc_trans_call): fix gcc_assert to
        a comparison, not an assignment.

2007-06-12  Paul Thomas  <pault@gcc.gnu.org>

        * trans-common.c (create_common): Initialize 'field_init'.

2007-06-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/29786
        PR fortran/30875
        * trans-common.c (get_init_field): New function.
        (create_common): Call get_init_field for overlapping
        initializers in equivalence blocks.
        * resolve.c (resolve_equivalence_derived, resolve_equivalence):
        Remove constraints on initializers in equivalence blocks.
        * target-memory.c (expr_to_char, gfc_merge_initializers):
        New functions.
        (encode_derived): Add the bit offset to the byte offset to get
        the total offset to the field.
        * target-memory.h : Add prototype for gfc_merge_initializers.

2007-06-11  Rafael Avila de Espindola  <espindola@google.com>

        * trans-types.c (gfc_signed_type): Remove.
        * trans-types.h (gfc_signed_type): Remove.
        * f95-lang.c (LANG_HOOKS_SIGNED_TYPE): Remove.

2007-06-08 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>

        * trans-intrinsic.c: Revert Lee's 2007-06-04 patch.

2007-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
            Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/32223
        * match.c (gfc_match_special_char): New function.  Match special char.
        Add handling '\0'.
        * match.h: Add prototype.
        * io.c (next_char): Use it.
        * primary.c (next_string_char): Ditto.

2007-06-06  Steven G. Kargl  <kargl@gcc.gnu.org>

        * decl.c: Miscellaneous whitespace fixes.
        * expr.c: Likewise.
        * gfortran.h: Likewise.
        * interface.c : Likewise.
        * io.c: Likewise.
        * match.c: Likewise.
        * match.h: Likewise.
        * module.c: Likewise.
        * parse.c: Likewise.
        * resolve.c: Likewise.
        * symbol.c: Likewise.
        * trans-array.c: Likewise.
        * trans-common.c: Likewise.
        * trans-decl.c: Likewise.
        * trans-intrinsic.c: Likewise.
        * trans-io.c: Likewise.
        * trans-stmt.c: Likewise.
        * trans-types.c: Likewise.

2007-06-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/18923
        * parse.c (decode_statement): Don't call gfc_undo_symbols on MATCH_ERROR
        for ST_FUNCTION since it is called in reject_statement.
        (parse_contained): If error, loop back after reject_statement and try
        again.  Free the namespace if an error occured.

2007-06-04 Lee Millward <lee.millward@codesourcery.com>

        * trans-intrinsic.c (gfc_conv_intrinsic_function_args): Adjust
        to operate on a stack allocated array for the intrinsic arguments
        instead of creating a TREE_LIST. Add two new parameters for the
        array and the number of elements. Update all callers to allocate
        an array of the correct length to pass in. Update comment.
        (gfc_intrinsic_argument_list_length): New function.
        (gfc_conv_intrinsic_mnimax): Call it.
        (gfc_conv_intrinsic_merge): Likewise.
        (gfc_conv_intrinsic_lib_function): Call it. Use new CALL_EXPR
        constructors.
        (gfc_conv_intrinsic_cmplx): Likewise.
        (gfc_conv_intrinsic_ctime): Likewise.
        (gfc_covn_intrinsic_fdate): Likewise.
        (gfc_conv_intrinsic_ttynam): Likewise.
        (gfc_conv_intrinsic_ishftc): Likewise.
        (gfc_conv_intrinsic_index): Likewise.
        (gfc_conv_intrinsic_scan): Likewise.
        (gfc_conv_intrinsic_verify): Likewise.
        (gfc_conv_intrinsic_trim): Likewise.
        (gfc_conv_intrinsic_aint): Use new CALL_EXPR constructors.
        (gfc_conv_intrinsic_exponent): Likewise.
        (gfc_conv_intrinsic_bound): Likewise.
        (gfc_conv_intrinsic_abs): Likewise.
        (gfc_conv_intrinsic_mod): Likewise.
        (gfc_conv_intrinsic_sign): Likewise.
        (gfc_conv_intrinsic_len): Likewise.
        (gfc_conv_intrinsic_adjust): Likewise.
        (gfc_conv_intrinsic_si_kind): Likewise.

2007-06-04  Steve Ellcey  <sje@cup.hp.com>

        * trans-array.c (gfc_conv_array_parameter): Initialize tmp.

2007-05-31  Richard Guenther  <rguenther@suse.de>

        * trans-expr.c (gfc_conv_expr_op): Use zero constant
        that matches the lse type.
        (gfc_trans_string_copy): Use sizetype zero constant.
        * intrinsic.c (add_functions): The sizeof intrinsic has
        index type result.
        * trans-types.c (gfc_get_dtype): Convert size to index
        type before shifting.
        * trans-array.c (gfc_trans_array_constructor_value): Use
        index type for offset computation.
        * trans-intrinsic.c (gfc_conv_associated): Use correct type
        for zero constant.

2007-05-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32156
        * trans-array.c (gfc_trans_array_constructor): Treat the case
        where the ss expression charlen is missing.

22007-05-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32103
        * module.c (mio_symtree_ref): If an equivalence group member
        is not used, give it a hidden symbol and set the pointer_info.
        (load_equiv): Only free the equivalence if none of the members
        are used.

2007-05-29  Daniel Franke  <franke.daniel@gmail.com>

        * gfortran.h: Renamed 'enum gfc_generic_isym_id' to 'enum gfc_isym_id',
        added missing GFC_ISYM_* enumerators, ordered alphabetically.
        (struct gfc_intrinsic_sym): Renamed 'generic_id' to 'id'.
        (gfc_find_subroutine): New prototype.
        * intrinsic.c (add_sym, add_sym_*): Added argument 'id' and changed all callers.
        (find_subroutine): Renamed to 'gfc_find_subroutine', removed static.  
        * dependency.c: Changed usage of isym->generic_id to isym->id.  
        * openmp.c: Likewise.  
        * resolve.c: Likewise.  
        * trans-array.c: Likewise.  
        * trans-expr.c: Likewise.  
        * trans-intrinsic.c: Likewise.  
        * trans-openmp.c: Likewise.

2007-05-28  Tobias Schlüter  <tobi@gcc.gnu.org>

        * gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_SIZEOF.
        * intrinsic.c (add_functions): Add stuff for SIZEOF intrinsic.
        * intrinsic.h (gfc_check_sizeof): Add prototype of ...
        * check.c (gfc_check_sizeof): .. new function.
        * trans-intrinsic.c (gfc_conv_intrinsic_sizeof): New function.
        (gfc_conv_intrinsic_strcmp): Whitespace fix.
        (gfc_conv_intrinsic_array_transfer): Remove double initialization,
        use fold_build. where appropriate.
        (gfc_conv_intrinsic_function): Add case for SIZEOF.
        * intrinsic.texi: Add documentation for SIZEOF.

2007-05-28  Brooks Moses  <brooks.moses@codesourcery.com>

        * trans-array.c (gfc_conv_expr_descriptor): Edit comment.

2007-05-28  Brooks Moses  <brooks.moses@codesourcery.com>

        PR fortran/31972
        * target-memory.c (gfc_target_expr_size): Add handling
        for size of BT_HOLLERITH variables.
        * check.c (gfc_check_transfer): Reject BT_HOLLERITH
        variables in MOLD argument of TRANSFER.

2007-05-28  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.h (gfc_expr): Remove from_H, add "representation"
        struct.
        * primary.c (match_hollerith_constant): Store the representation
        of the Hollerith in representation, not in value.character.
        * arith.c: Add dependency on target-memory.h.
        (eval_intrinsic): Remove check for from_H.
        (hollerith2representation): New function.
        (gfc_hollerith2int): Determine value of the new constant.
        (gfc_hollerith2real): Likewise.
        (gfc_hollerith2complex): Likewise.
        (gfc_hollerith2logical): Likewise.
        (gfc_hollerith2character): Point both representation.string and
        value.character.string at the value string.
        * data.c (create_character_initializer): For BT_HOLLERITH
        rvalues, get the value from the representation rather than
        value.character.
        * expr.c (free_expr0): Update handling of BT_HOLLERITH values
        and values with representation.string.
        (gfc_copy_expr): Likewise.
        * intrinsic.c (do_simplify): Remove special treatement of
        variables resulting from Hollerith constants.
        * dump-parse-trees.c (gfc_show_expr): Update handling of
        Holleriths.
        * trans-const.c (gfc_conv_constant_to_tree): Replace from_H
        check with check for representation.string; get Hollerith
        representation from representation.string, not value.character.
        * trans-expr.c (is_zero_initializer_p): Replace from_H check
        with check for representation.string.
        * trans-stmt.c (gfc_trans_integer_select): Use
        gfc_conv_mpz_to_tree for case values, so as to avoid picking up
        the memory representation if the case is given by a transfer
        expression.
        * target-memory.c (gfc_target_encode_expr): Use the known memory
        representation rather than the value, if it exists.
        (gfc_target_interpret_expr): Store the memory representation of
        the interpreted expression as well as its value.
        (interpret_integer): Move to gfc_interpret_integer, make
        non-static.
        (interpret_float): Move to gfc_interpret_float, make non-static.
        (interpret_complex): Move to gfc_interpret_complex, make
        non-static.
        (interpret_logical): Move to gfc_interpret_logical, make
        non-static.
        (interpret_character): Move to gfc_interpret_character, make
        non-static.
        (interpret_derived): Move to gfc_interpret_derived, make
        non-static.
        * target-memory.h: Add prototypes for newly-exported
        gfc_interpret_* functions.

2007-05-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/31812
        * parse.c (next_statement): Warn for truncated lines if source is free
        form.

2007-05-27 Paul Thomas  <pault@gcc.gnu.org>
           Tobias Burnus  <burnus@net-b.de>

        PR fortran/32088
        * symbol.c (gfc_check_function_type): Copy dimensions of
          result variable.
        * resolve.c (resolve_contained_fntype): Improve symbol output in
          the error message.

2007-05-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/31813
        * io.c (check_format): Add warning for H specifier in format.
        
2007-05-26  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi: Document the GFORTRAN_ERROR_DUMPCORE and
        GFORTRAN_ERROR_BACKTRACE environment variables.

2007-05-26  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31219
        * trans.h : Add no_function_call bitfield to gfc_se structure.
        Add stmtblock_t argument to prototype of get_array_ctor_strlen.
        * trans-array.c (get_array_ctor_all_strlen): New function.
        (get_array_ctor_strlen): Add new stmtblock_t argument and call
        new function for character elements that are not constants,
        arrays or variables.
        (gfc_conv_array_parameter): Call get_array_ctor_strlen to get
        good string length.
        * trans-intrinsic (gfc_conv_intrinsic_len): Add new argument
        to call of get_array_ctor_strlen.

2007-05-25  Kazu Hirata  <kazu@codesourcery.com>

        * intrinsic.texi: Fix typos.

2007-05-25  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32047
        * trans-expr.c (gfc_apply_interface_mapping_to_expr): Change
        order in logic under EXPR_FUNCTION to handle functions with
        no arguments.

2007-05-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/31716
        * array.c (spec_dimen_size): Test for correct BT_INTEGER type. 

2007-05-23  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/32046
        * trans-expr.c (gfc_trans_zero_assign): Convert the result of
        TYPE_SIZE_UNIT into a signed type.
        (gfc_trans_array_copy):  Likewise.
        (gfc_trans_array_constructor_copy): Likewise.
        * trans-array.c (gfc_trans_create_temp_array): Likewise.
        (gfc_grow_array): Likewise.
        (gfc_array_init_size): Likewise.
        (gfc_duplicate_allocatable): Likewise.
        * trans-stmt.c (allocate_temp_for_forall_nest_1): Likewise.

2007-05-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/18923
        * resolve.c (resolve_function): Don't call resolve_global_procedure if
        there is no name. Delete duplicated statement in ELSE clause.

2007-05-22 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>

        PR fortran/31627
        * trans-array.c (gfc_trans_array_bound_check): Take extra argument to
        indicate whether we should check the upper bound in that dimension.
        (gfc_conv_array_index_offset): Check only the lower bound of the
        last dimension for assumed-size arrays.
        (gfc_conv_array_ref): Likewise.
        (gfc_conv_ss_startstride): Likewise.

2007-05-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
            Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32002
        * resolve.c (resolve_actual_arglist): Resolve actual argument after
        being identified as variable.

2007-05-21  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/32027
        * trans-stmt.c (gfc_trans_do): Fix the value of loop variable
        when the loop ends.

2007-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * trans-stmt.c (gfc_trans_do): Fix a typo in comment.

2007-05-21  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31867
        PR fortran/31994
        * trans-array.c (gfc_conv_expr_descriptor): Obtain the stored
        offset for non-descriptor, source arrays and correct for stride
        not equal to one before writing to field of output descriptor.

2007-05-20  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32001
        * check.c (check_rest): Improved argument conformance check and 
        fixed error message generation.

2007-05-19  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/30820
        * Make-lang.in: Remove use of -Wno-error for expr.o, resolve.o,
        simplify.o and trans-common.o.

2007-05-19  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31974
        * trans-array.c (gfc_trans_auto_array_allocation): Avoid
        multiplication of mismatched types.

2007-05-18  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/24633
        * symbol.c (gfc_add_flavor): Add the NAME to error message if
        available.

2007-05-15  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31919
        PR fortran/31929
        PR fortran/31930
        * intrinsic.c (check_specific): Check elemental intrinsics for
        rank and shape.
        (add_functions): Fixed dummy argument names of BESJN and BESYN.
        Fixed elemental status of MCLOCK and MCLOCK8.
        * check.c (check_rest): Added check for array conformance.
        (gfc_check_merge): Removed check for array conformance.
        (gfc_check_besn): Removed check for scalarity.
        * intrinsic.texi (CSHIFT, EOSHIFT): Fixed typos.
        (BESJN, BESYN): Clarified documentation.

2007-05-17  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (GFORTRAN_CONVERT_UNIT): Improve documentation.

2007-05-16  Brooks Moses  <brooks.moses@codesourcery.com>

        PR fortran/18769
        PR fortran/30881
        PR fortran/31194
        PR fortran/31216
        PR fortran/31427
        * target-memory.c: New file.
        * target-memory.h: New file.
        * simplify.c: Add #include "target-memory.h".
        (gfc_simplify_transfer): Implement constant-
        folding for TRANSFER intrinsic.
        * Make-lang.in: Add dependencies on new target-memory.* files.

2007-05-15  Paul Brook  <paul@codesourcery.com>

        * trans-types.c (gfc_type_for_size): Handle signed TImode.

2007-05-14  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/30723
        * trans.h (gfor_fndecl_internal_malloc, gfor_fndecl_internal_malloc64,
        gfor_fndecl_internal_free): Remove prototypes.
        (gfor_fndecl_os_error, gfc_call_free, gfc_call_malloc): Add prototypes.
        * trans.c (gfc_call_malloc, gfc_call_free): New functions.
        * f95-lang.c (gfc_init_builtin_functions): Add __builtin_free
        and __builtin_malloc builtins.
        * trans-decl.c (gfor_fndecl_internal_malloc,
        gfor_fndecl_internal_malloc64, gfor_fndecl_internal_free): Remove.
        (gfor_fndecl_os_error): Add.
        (gfc_build_builtin_function_decls): Don't create internal_malloc,
        internal_malloc64 and internal_free library function declaration.
        Create os_error library call function declaration.
        * trans-array.c (gfc_trans_allocate_array_storage,
        gfc_trans_auto_array_allocation, gfc_trans_dummy_array_bias,
        gfc_conv_array_parameter, gfc_duplicate_allocatable): Use
        gfc_call_malloc and gfc_call_free instead of building calls to
        internal_malloc and internal_free.
        * trans-expr.c (gfc_conv_string_tmp): Likewise.
        * trans-stmt.c (gfc_do_allocate, gfc_trans_assign_need_temp,
        gfc_trans_pointer_assign_need_temp, gfc_trans_forall_1,
        gfc_trans_where_2: Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_ctime,
        gfc_conv_intrinsic_fdate, gfc_conv_intrinsic_ttynam,
        gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_trim): Likewise.

2007-05-14  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31725
        * trans-expr.c (gfc_conv_substring): Evaluate substring bounds
        only once.

2007-05-14  Rafael Avila de Espindola  <espindola@google.com>

        * f95-lang.c (LANG_HOOKS_UNSIGNED_TYPE): Remove.
        * trans-intrinsic.c (gfc_conv_intrinsic_ishft): Use unsigned_type_for
        instead of gfc_unsigned_type.
        * trans-stmt.c (gfc_trans_do): Use unsigned_type_for instead of
        gfc_unsigned_type.
        * trans-types.c (gfc_unsigned_type): Remove.
        * trans-types.h (gfc_unsigned_type): Remove.

2007-05-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30746
        * resolve.c (check_host_association): New function that detects
        incorrect host association and corrects it.
        (gfc_resolve_expr): Call the new function for variables and
        functions.
        * match.h : Remove prototype for gfc_match_rvalue.
        * gfortran.h : Add prototype for gfc_match_rvalue.

2007-05-11 Paul Thomas <pault@gcc.gnu.org>

        PR fortran/30876
        * trans-expr.c (gfc_conv_function_call): Reduce indirection for
        direct assignments of recursive array valued functions.
        * primary.c (gfc_match_rvalue): Correct error for recursive
        function calls such that directly recursive calls of scalar
        function without an explicit result are disallowed.

2007-05-11 Paul Thomas <pault@gcc.gnu.org>

        PR fortran/30878
        * resolve.c (resolve_fl_namelist): It is not an error if the
        namelist element is the result variable of the enclosing
        function.  Search for the symbol in current and all parent
        namespaces for a potential conflict.
        * symbol.c (check_conflict): Remove the conflict between
        'in_namelist' and 'FL_PROCEDURE' because the symbol info
        is not available to exclude function result variables.
        * trans-io.c (nml_get_addr_expr): Use the fake result decl
        if the symbol is an implicit result variable.

2007-05-11  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31474
        * decl.c (get_proc_name): If an entry has already been declared
        as a module procedure, pick up the symbol and the symtree and
        use them for the entry.

2007-05-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31630
        * resolve.c (resolve_symbol): Remove the flagging mechanism from the
        formal namespace resolution and instead check that the formal
        namespace is not the current namespace.

2007-05-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31692
        * trans-array.c (gfc_conv_array_parameter): Convert full array
        references to the result of the procedure enclusing the call.

2007-05-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/29397
        PR fortran/29400
        * decl.c (add_init_expr_to_sym): Expand a scalar initializer
        for a parameter array into an array expression with the right
        shape.
        * array.c (spec_dimen_size): Remove static attribute.
        * gfortran.h : Prototype for spec_dimen_size.

2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31399
        * trans-stmt.c (gfc_trans_do): Handle large loop counts.

2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31764
        * simplify.c (gfc_simplify_new_line): NEW_LINE can be simplified
        even for non constant arguments.

2007-05-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
            Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31201
        * gfortran.h: Add runtime error codes from libgfortran.h. Define
        MAX_UNIT_NUMBER.
        * trans.c (gfc_trans_runtime_check): Update the format of runtime error
        messages to match library runtime errors.  Use call to new library
        function runtime_error_at().
        * trans.h: Add prototype for new function gfc_trans_io_runtime_check.
        Add declaration for library functions runtime_error_at and
        generate_error.
        * trans_io.c (gfc_trans_io_runtime_check): New function.
        (set_parameter_value): Add error checking for UNIT numbers.
        (set_parameter_ref): Initialize the users variable to zero. 
        (gfc_trans_open): Move setting of unit number to after setting of common
        flags so that runtime error trapping can be detected.
        (gfc_trans_close): Likewise. (build_filepos): Likewise.
        (gfc_trans_inquire): Likewise. (build_dt): Likewise.
        * trans-decl.c: Add declarations for runtime_error_at and
        generate_error. (gfc_build_builtin_function_decls): Build function
        declarations for runtime_error_at and generate_error.

2007-05-06  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31540
        * resolve.c (resolve_fl_procedure): Resolve constant character
        lengths.

2007-05-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/31251
        * decl.c (match_char_spec): Add check for invalid character lengths.

2007-05-04  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi (CMPLX): Document result kind.
        (COMPLEX): Add documentation.

2007-05-04  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31760
        * intrinsic.c (add_functions): Replaced calls to gfc_check_g77_math1
        by gfc_check_fn_r to avoid checks for scalarity.
        * check.c (gfc_check_besn): Removed check for scalarity.
        (gfc_check_g77_math1): Removed.
        * intrinsic.h (gfc_check_g77_math1): Removed.

2007-05-04  Daniel Franke  <franke.daniel@gmail.com>

        * check.c (gfc_check_fseek_sub): Fixed typo.

2007-05-04  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/22359
        * intrinsic.c (add_subroutines): Added FSEEK.
        * intrinsic.h (gfc_resolve_fseek_sub, gfc_check_fseek_sub): New.
        * iresolve.c (gfc_resolve_fseek_sub): New.
        * check.c (gfc_check_fseek_sub): New.
        * intrinsic.texi (FSEEK): Updated.

2007-05-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31803
        * expr.c (gfc_check_pointer_assign): Check for NULL pointer.

2007-05-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/31251
        * simplify.c (gfc_simplify_len): Only simplify integer lengths.

2007-05-04  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>

        PR fortran/31781
        * simplify.c (gfc_simplify_repeat): Don't put function call with
        side effect in a gcc_assert().

2007-05-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/25071
        * interface.c (compare_actual_formal): Check character length.

2007-05-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/31732
        * dependency.c (gfc_full_array_ref_p):  If the reference is
        to a single element, check that the array has a single
        element and that the correct element is referenced.

2007-05-01  Daniel Franke  <franke.daniel@gmail.com>

        * intrinsic.c (add_functions): Fixed ELEMENTAL specifications.
        (add_subroutines): Replaced magic numbers in function calls by
        ELEMENTAL and NOT_ELEMENTAL respectively.
        * intrinsic.texi (MVBITS): Changed class to elemental subroutine.
        (RANDOM_NUMBER): Changed class to subroutine.
        (HUGE, TINY): Changed class to inquiry function.

2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>

        * trans-const.c (gfc_conv_mpz_to_tree): Use mpz_get_double_int.
        (gfc_conv_tree_to_mpz): New function.
        (gfc_conv_mpfr_to_tree): Use real_from_mpfr.
        (gfc_conv_tree_to_mpfr): New function.
        * trans-const.h: (gfc_conv_tree_to_mpz): New prototype.
        (gfc_conv_tree_to_mpfr): New prototype.

2007-04-30  Daniel Franke  <franke.daniel@gmail.com>

        * intrinsic.texi (IERRNO): Changed class to non-elemental function.
        (LOG10): Removed COMPLEX as accepted argument type.
        (NEW_LINE): Changed class from elemental to inquiry function.
        (SIGN): Removed requirement of scalar arguments.
        (SNGL): Changed class to elemental function.

2007-04-29  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>

        PR fortran/31591
        * simplify.c (simplify_bound_dim): New function.
        (simplify_bound): Use the above. Perform simplification of LBOUND
        and UBOUND when DIM argument is not present.

2007-04-29  Daniel Franke  <franke.daniel@gmail.com>

        * gfortran.texi: Cleaned up keyword index.
        * invoke.texi: Likewise.
        * intrinsic.texi: Likewise.
                        
2007-04-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31645
        * scanner.c (load_file): Discard the byte order mark if one is
        found on the first non-preprocessor line of a file.

2007-04-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31711
        * trans-array.c (gfc_conv_resolve_dependencies): Create a temp
        whenever a dependency is found.

2007-04-28  Tobias Schlüter  <tobi@gcc.gnu.org>

        * options.c (gfc_handle_option): Ensure requested free form line
        length is not too small.

2007-04-27  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi (Transfer): Improve documentation.

2007-04-27  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.texi (Option Index): Add @samp as needed.

2007-04-27  Daniel Franke  <franke.daniel@gmail.com>

        * gfortran.texi: Added node and menu entry for an option index.
        * invoke.texi: Moved command line option related entries of the concept 
        index to the option index.

2007-04-27  Daniel Franke  <franke.daniel@gmail.com>

        * intrinsic.texi (AND, FPUT, FPUTC, MODULO, OR, SET_EXPONENT,
        XOR): Fixed examples.

2007-04-27  Daniel Franke  <franke.daniel@gmail.com>

        * intrinsic.texi (PRODUCT, RESHAPE, SPACING, SPREAD, SUM, 
        SYSTEM_CLOCK, TRANSFER, UNPACK): New.
        (DATE_AND_TIME, CPU_TIME, RRSPACING): Added cross references.

2007-04-26  Daniel Franke  <franke.daniel@gmail.com>

        * intrinsic.texi (NULL, PACK, PRESENT, REPEAT, SCAN, SHAPE, 
        SIZE, TRANSPOSE, TRIM, VERIFY): New.
        (ADJUSTL, ADJUSTR, INDEX): Added cross references.
        (INT, INT2, INT8, LONG): Enabled section header.

2007-04-25  Janne Blomqvist  <jb@gcc.gnu.org>

        * module.c (module_char): Replace fgetc() with
        getc(). 
        (write_char): Replace fputc() with putc().
        * scanner.c (load_line): Replace fgetc() with getc().
        (gfc_read_orig_filename): Likewise.

2007-04-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31668
        * error.c (error_print): Fix %% support.
        * intrinsic.c (sort_actual): Improve error message.
        * resolve.c (resolve_actual_arglist): Allow %VAL for
        interfaces defined in the module declaration part.

2007-04-25  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR libfortran/31299
        * intrinsic.texi (GETLOG): Update documentation to reflect
        library changes.

2007-04-24  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31587
        * module.c (write_char): Add character to the MD5 buffer.
        (read_md5_from_module_file): New function.
        (gfc_dump_module): Compute MD5 for new module file. Call
        read_md5_from_module_file. Only overwrite old module file
        if the new MD5 is different.

2007-04-23  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31630
        * resolve.c (resolve_symbol): Allow resolution of formal
        namespaces nested within formal namespaces coming from modules.

        PR fortran/31620
        * trans-expr.c (gfc_trans_assignment): Make the call to
        gfc_trans_zero_assign conditional on the lhs array ref being
        the only reference.

2007-04-23  Tobias Burnus  <burnus@net-b.de>

        * primary.c (match_integer_constant): Mention -fno-range-check
        in the error message.

2007-04-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/31495
        * scanner.c (load_line):  Remove check for comment after ampersand and
        adjust tracking of ampersand.

2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * f95-lang.c (lang_tree_node): Use GENERIC_NEXT
        instead of checking GIMPLE_STMT_P in chain_next.

2007-04-17  Tobias Schlüter  <tobi@gcc.gnu.org>

        * trans-types.h (gfc_packed): New enum.
        (gfc_get_nodesc_array_type): Change prototype to use new enum.
        * trans-types.c (gfc_get_nodesc_array): Use gfc_packed for
        argument packed.  Adapt all references to values accordingly.
        (gfc_sym_type): Use enum values in call to gfc_get_nodesc_array.
        (gfc_get_derived_type): Likewise.
        * trans-array.c (gfc_build_constant_array_constructor): Likewise.
        * trans-expr.c (gfc_get_interface_mapping_charlen): Changed packed
        argument to type gfc_packed.
        (gfc_add_interface_mapping): Use enum values in call to
        gfc_get_interface_mapping.
        * trans-decl.c (gfc_build_dummy_array_decl): Adapt to use enum
        values when determining packing.

        * trans-decl.c (gfc_finish_decl): Remove unused second argument
        'init'.  Simplify code accordingly.  Remove calls to
        gfc_fatal_error in favor of gcc_assert.
        (create_function_arglist): Remove second argument from calls to
        gfc_finish-decl.
        (gfc_trans_dummy_character): Likewise.

        * arith.h: Update copyright years.
        * dependency.h: Likewise.
        * gfortran.h: Likewise.
        * lang-specs.h: Likewise.
        * parse.h: Likewise.
        * symbol.c: Likewise.
        * trans.h: Likewise.
        * trans.c: Likewise.
        * trans-array.c: Likewise.
        * trans-common.c: Likewise.
        * trans-const.h: Likewise.
        * trans-const.c: Likewise.
        * trans-decl.c: Likewise.
        * trans-expr.c: Likewise.
        * trans-io.c: Likewise.
        * trans-openmp.c: Likewise.
        * trans-types.h: Likewise.
        * types.def: Likewise.

2007-04-17  Tobias Schlüter  <tobi@gcc.gnu.org>

        PR fortran/31144
        * decl.c (gfc_sym_mangled_identifier): Use capital letters in name
        mangling.
        (gfc_sym_mangled_function_id): Likewise.

2007-04-15  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31204
        * primary.c (check_for_implicit_index): New function to check
        that a host associated variable is not an undeclared implied
        do loop index.
        (gfc_match_rvalue, match_variable): Use it and reset the
        implied_index attribute.
        * gfortran.h : Add the implied_index field to symbol_attribute.
        * match.c (gfc_match_iterator): Mark the iterator variable
        with the new attribute.
        * decl.c (build_sym): Reset the new attribute.

2007-04-15  Kazu Hirata  <kazu@codesourcery.com>

        * gfc-internals.texi: Fix typos.
        * simplify.c: Fix a comment typo.

2007-04-14  Bernhard Fischer  <aldot@gcc.gnu.org>

        * primary.c: Commentary typo fix; Add question about redundant (?)
        set.

2007-04-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/29507
        PR fortran/31404
        * expr.c (scalarize_intrinsic_call): New function to
        scalarize elemental intrinsic functions in initialization
        expressions.
        (check_init_expr): Detect elemental intrinsic functions
        in initalization expressions and call previous.

2007-04-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31559
        * primary.c (match_variable): External functions
        are no variables.

2007-04-13  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31550
        * trans-types.c (copy_dt_decls_ifequal): Do not get pointer
        derived type components.

2007-04-13  Tobias Schlüter  <tobi@gcc.gnu.org>

        PR fortran/18937
        * resolve.c: Include obstack.h and bitmap.h.  New variable
        labels_obstack.
        (code_stack): Add tail and reachable_labels fields.
        (reachable_labels): New function.
        (resolve_branch): Rework to use new fields in code_stack.
        (resolve_code): Call reachable_labels.
        (resolve_codes): Allocate and free labels_obstack.

2007-04-12  Tobias Schlüter  <tobi@gcc.gnu.org>

        PR fortran/31250
        * decl.c (match_char_spec): Move check for negative CHARACTER
        length ...
        * resolve.c (resolve_charlen): ... here.
        (resolve_types): Resolve CHARACTER lengths earlier.

2007-04-12  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31234
        * intrinsic.texi (RANDOM_SEED, RANDOM_NUMBER): New.

2007-04-12  Tobias Schlüter  <tobi@gcc.gnu.org>

        PR fortran/31266
        * primary.c (gfc_variable_attr): Don't copy string length if it
        doesn't make sense.
        * resolve.c (resolve_code): Clarify error message.

        PR fortran/31471
        * decl.c (gfc_match_end): Also check for construct name in END
        FORALL and END WERE statements.
        * match.c (match_case_eos): Use uppercase for statement name in
        error message.
        (match_elsewhere): Construct name may appear iff construct has a
        name.

        * trans-types.c: Update copyright years.  Reformat long comment
        explaining array descriptor format.  Remove obsolete mention of
        TYPE_SET.

        * arith.c (gfc_arith_uplus): Rename to ...
        (gfc_arith_identity): ... this.
        (gfc_parentheses): New function.
        (gfc_uplus): Adapt to renamed function.
        * arith.h (gfc_parentheses): Add prototype.
        * expr.c (gfc_copy_expr): Deal with INTRINSIC_PARENTHESES.
        (simplifiy_intrinsic_op): Treat INTRINSIC_UPLUS separately from
        INTRINSIC_PARENTHESES.

2007-04-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31472
        * decl.c (match_attr_spec): Allow PRIVATE/PUBLIC
        attribute in type definitions.
        (gfc_match_private): Allow PRIVATE statement only
        in specification part of modules.
        (gfc_match_public): Ditto for PUBLIC.
        (gfc_match_derived_decl): Allow PRIVATE/PUBLIC attribute only in
        specificification part of modules.

2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31257
        * intrinsic.c (add_functions): Add ref. to gfc_resolve_achar.
        * intrinsic.h : Add prototype for gfc_resolve_achar.
        * iresolve.c (gfc_resolve_achar): New function.

2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30880
        * resolve.c (resolve_fl_variable): Set flag to 2 for automatic
        arrays.  Make condition for automatic array error explicit.
        If a dummy, no error on an INTENT(OUT) derived type.

2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30872
        * expr.c (find_array_element): Correct arithmetic for rank > 1.

2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31222
        * check.c (numeric_check): If an expresson has not got a type,
        see if it is a symbol for which a default type applies.

2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31214
        * trans-decl.c (gfc_get_symbol_decl): Allow unreferenced use
        associated symbols.

2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31293
        * symbol.c (gfc_check_function_type): New function.
        * gfortran.h : Add prototype for previous.
        * parse.c (parse_progunit): Call it after parsing specification
        statements.

2007-04-05  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31483
        * trans-expr.c (gfc_conv_function_call): Give a dummy
        procedure the correct type if it has alternate returns.

2007-04-05  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31292
        * decl.c (gfc_match_modproc): Go up to the top of the namespace
        tree to find the module namespace for gfc_get_symbol.

2007-04-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31304
        * fortran/gfortran.h (gfc_charlen_int_kind): New prototype.
        * fortran/trans-types.c (gfc_charlen_int_kind): New variable.
        (gfc_init_types): Define gfc_charlen_int_kind. 
        * fortran/trans.h (gfor_fndecl_string_repeat): Remove prototype.
        * fortran/trans-decl.c (gfor_fndecl_string_repeat): Delete.
        (gfc_build_intrinsic_function_decls): Don't set
        gfor_fndecl_string_repeat.
        * fortran/trans-intrinsic.c (gfc_conv_intrinsic_repeat): Rewrite
        so that we don't have to call a library function.
        * fortran/simplify.c (gfc_simplify_repeat): Perform the necessary
        checks on the NCOPIES argument, and work with arbitrary size
        arguments.

2007-03-31  Tobias Burnus  <burnus@net-b.de>

        * intrinsic.c (add_functions): Fix name of dummy argument
          for new_line and exit intrinsic.

2007-03-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31160
        * gfortran.texi: Add a section for the %VAL, %REF and %LOC
        extensions.

2007-03-30  Rafael Avila de Espindola  <espindola@google.com>

        * trans-types.c (gfc_signed_or_unsigned_type): Remove.
        (gfc_unsigned_type): Use get_signed_or_unsigned_type instead of
        gfc_signed_or_unsigned_type.
        (gfc_signed_type): Ditto.
        * trans-types.h (gfc_signed_or_unsigned_type): Remove.
        * f95-lang.c (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.

2007-03-30  Tobias Schlüter  <tobi@gcc.gnu.org>

        * symbol.c (gfc_find_gsymbol): Simplify, don't unconditionally
        descend into all branches.

2007-03-29  Tobias Schlüter  <tobi@gcc.gnu.org>

        * intrinsic.c (conv_name): Let gfc_get_string handle the format.
        (find_conv): Compare pointers instead of calling strcmp.
        (find_sym): Likewise, but ensure that the compared pointer is in
        the global string table.

2007-03-28  Tobias Schlüter  <tobi@gcc.gnu.org>

        * gfc-internals.texi: Fix output filename.  Merge type index into
        concept index.  Start documentation of gfc_code structure.

2007-03-26  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfc-internals.texi: New file,
        * Make-lang.in: Add rules to convert it to dvi, pdf, and info.

2007-03-26  Brooks Moses  <brooks.moses@codesourcery.com>
 
        * error.c (show_locus): Remove always-false test.

2007-03-26  Brooks Moses  <brooks.moses@codesourcery.com>

        * lang.opt: Minor edits to descriptions.

2007-03-25  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/30877
        * fortran/interface.c (check_operator_interface): Implement
        the standard checks on user operators extending intrinsic operators.
        * fortran/resolve.c (resolve_operator): If the ranks of operators
        don't match, don't error out but try the user-defined ones first.

2007-03-24  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/30655
        * expr.c (check_dimension): Fix logic of comparisons.

2007-03-24  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31215
        * trans-expr.c (gfc_apply_interface_mapping_to_expr): Return
        int result that is non-zero if the expression is the function
        result.  Only the characteristics of the result expression
        can be used in a procedure interface, so simplify LEN in situ
        using its character length.

        PR fortran/31209
        PR fortran/31200
        * trans-expr.c (gfc_conv_function_call): Do not use
        gfc_conv_expr_reference for actual pointer function with formal
        target because a temporary is created that does not transfer
        the reference correctly.  Do not indirect formal pointer
        functions since it is the function reference that is needed.

2007-03-24  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.h: Edit comments on GFC_STD_*.

2007-03-23  Brooks Moses  <brooks.moses@codesourcery.com>

        * invoke.texi: Misc. small typo fixes.
        (-Wcharacter-truncation): Add.
        (-Wnonstd-intrinsics): Correct spelling.
        (-std=): Edit.
        (-fintrinsic-modules-path): Add.

2007-03-23  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/30834
        * arith.c (complex_pow): Rewrite to handle large power.
        (gfc_arith_power): Handle large power in the real and integer
        cases.

2007-03-22  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/31262
        * trans-const.c (gfc_conv_mpz_to_tree): Allow integer constants
        larger than twice the width of a HOST_WIDE_INT.

2006-03-22  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31193
        * trans-intrinsic.c (gfc_size_in_bytes): Remove function.
        (gfc_conv_intrinsic_array_transfer): Remove calls to previous.
        Explicitly extract TREE_TYPEs for source and mold.  Use these
        to calculate length of source and mold, except for characters,
        where the se string_length is used.  For mold, the TREE_TYPE is
        recalculated using gfc_get_character_type_len so that the
        result is correctly cast for character literals and substrings.
        Do not use gfc_typenode_for_spec for the final cast.

2007-03-22  Tobias Schlüter  <tobi@gcc.gnu.org>

        PR fortran/20897
        * decl.c (gfc_match_derived_decl): Reliably reject
        'doubleprecision' and 'doublecomplex' as type names.

2007-03-19  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/31203
        * trans-expr.c (gfc_trans_init_string_length): Length should
        never be negative.
        (gfc_conv_function_call): Likewise.

2007-03-18  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30531
        PR fortran/31086
        * symbo.c : Add gfc_derived_types.
        (gfc_free_dt_list): Free derived type list gfc_derived_types.
        (gfc_free_namespace): Remove call to gfc_free_dt_list.
        (gfc_symbol_done_2): Call  gfc_free_dt_list.
        * gfortran.h : Declare gfc_derived_types to be external. Remove
        derived types field from gfc_namespace.
        * resolve.c (resolve_fl_derived): Refer to gfc_derived types
        rather than namespace derived_types.
        (resolve_fntype): Remove special treatment for module
        derived type functions.
        * trans-types.c (gfc_get_derived_type): Remove search for like
        derived types.  Finish by copying back end declaration to like
        derived types in the derived type list gfc_derived_types.

        2007-03-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/31120
        * trans-expr.c (gfc_conv_powi): Make n argument unsigned hwi.
        (gfc_conv_cst_int_power): Handle integer exponent with care,
        since it might be too large for us.

2007-03-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/31184
        * invoke.texi: Fix typo.

2007-03-16  Tobias Burnus  <burnus@net-b.de>

        * trans-decl.c (gfc_generate_function_code): Use all arguments of
          set_std.

2007-03-15  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * gfortran.h (gfc_option_t): Add flag_backtrace field.
        * lang.opt: Add -fbacktrace option.
        * invoke.texi: Document the new option.
        * trans-decl.c (gfc_build_builtin_function_decls): Add new
        option to the call to set_std.
        * options.c (gfc_init_options, gfc_handle_option): Handle the
        new option.

2007-03-15  Tobias Burnus  <burnus@gcc.gnu.org>
            Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30922
        * decl.c (gfc_match_import): If the parent of the current name-
        space is null, try looking for an imported symbol in the parent
        of the proc_name interface.
        * resolve.c (resolve_fl_variable): Do not check for blocking of
        host association by a same symbol, if the symbol is in an
        interface body.

2007-03-15  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30879
        * decl.c (match_data_constant): Before going on to try to match
        a name, try to match a structure component.


        PR fortran/30870
        * resolve.c (resolve_actual_arglist): Do not reject a generic
        actual argument if it has a same name specific interface.

        PR fortran/31163
        * trans-array.c (parse_interface): Do not nullify allocatable
        components if the symbol has the saved attribute.

2007-03-14  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * trans-array.c (gfc_trans_auto_array_allocation): Replace
        fold(convert()) by fold_convert().
        (gfc_duplicate_allocatable): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_dot_product): Use
        build_int_cst instead of converting an integer_zero_node
        to the final type.

2007-03-14  Jakub Jelinek  <jakub@redhat.com>

        * module.c (mio_typespec): Don't look at ts->cl if not BT_CHARACTER.

2007-03-13  Brooks Moses  <brooks.moses@codesourcery.com>

        PR fortran/30933
        PR fortran/30948
        PR fortran/30953
        * intrinsics.texi (CHDIR): Fix argument names, note
        that STATUS must be a default integer.
        (CTIME): Fix argument names, note that RESULT must
        be a default integer.
        (EXIT): Note that STATUS must be a default integer.

2007-03-13  Brooks Moses  <brooks.moses@codesourcery.com>

        PR fortran/28068
        * intrinsic.texi: General whitespace cleanup, remove
        comment about missing intrinsics.
        (menu): Add lines for new entries listed below.
        (ACOSH): Mention specific function DACOSH, correct
        description phrasing.
        (ASINH): Mention specific function DASINH, correct
        description phrasing.
        (ATANH): Mention specific function DATANH, correct
        description phrasing.
        (COS): Add index entry for CCOS.
        (CPU_TIME): Correct "REAL" to "REAL(*)".
        (EXP): Add index entry for CEXP.
        (INT): Correct argument name to "A".
        (INT2): New entry.
        (INT8): New entry.
        (LONG): New entry.
        (MAX): Add index entries for specific variants.
        (MCLOCK): New entry.
        (MCLOCK8): New entry.
        (SECNDS): Adjust to a more standard form.
        (SECOND): New entry.
        (TIME): Add cross-reference to MCLOCK.
        (TIME8): Add cross-reference to MCLOCK8.

2007-03-11  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30883
        * parse.c (parse_interface): Use the default types from the
        formal namespace if a function or its result do not have a type
        after parsing the specification statements.

2007-03-08  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi: (ICHAR) Improve internal I/O note.
        (ACHAR): Reference it.
        (CHAR): Reference it.
        (IACHAR): Reference it.

2007-03-08  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi: (LINK) Document function form.
        (RENAME): Likewise.
        (SYMLNK): Likewise.
        (SYSTEM): Likewise.
        (UNLINK): Likewise.

2007-03-08  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi: minor typo fixes, removed prologue.
        (FSEEK): moved to correct place in alphabetical order.

2007-03-08  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/30947
        * check.c (gfc_check_alarm_sub): Added check for default integer 
        kind of status argument.
        * iresolve.c (gfc_resolve_alarm_sub): Removed conversion of 
        status argument.
        * intrinsic.texi (ALARM): Extended documentation.

2007-03-08  Daniel Franke  <franke.daniel@gmail.com>

        * intrinsic.texi (GERROR, ISATTY, TTYNAM): New.
        (ABORT, FLUSH, FNUM, IRAND, MALLOC, SIGNAL, SRAND): Fixed typo.
        * intrinsic.c (add_subroutines): Adjusted dummy argument names 
        of GERROR and TTYNAM.

2007-07-08  Tobias Burnus  <burnus@net-b.de>

        * module.c (gfc_match_use): Support renaming of operators
        in USE statements.
        * gfortran.texi (Fortran 2003 Status): Document support of
        renaming of operators.

2007-07-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30973
        * module.c (read_module): Always import module name as symbol.
        (gfc_match_use): Disallow module name in the only clause of
        a use statement.

2007-03-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31011
        * expr.c (find_array_section): Correct arithmetic for section
        size.

2007-03-07  Brooks Moses  <brooks.moses@codesourcery.com>

        * iresolve.c (gfc_resolve_ishftc): Correct s_kind value.

2007-03-06  Daniel Franke  <franke.daniel@gmail.com>

        PR documentation/30950
        * intrinsic.texi (AND, CPU_TIME): Fix dummy argument names.
        (FREE): Fix call syntax.

2007-03-06  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi: Limit column widths to a total of .85.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.texi (GFortran and G77): Rewrite completely.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

        * match.c (gfc_match_name): Expanded comment.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.texi (Old-style kind specifications): Document
        special handling of old-style kind specifiers for COMPLEX.
        * decl.c (gfc_match_old_kind_spec): Document kind/bytesize
        assumptions for COMPLEX in comment.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

        PR 31050
        * gfortranspec.c (lang_specific_driver): Update program
        name and copyright date.

2007-03-03  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30882
        * check.c (dim_rank_check): The shape of subsections of
        assumed-size arrays is known.

2007-03-02  Paul Thomas  <pault@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/30873
        * decl.c (gfc_match_entry): Remove erroneous entry result check.

2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>

        * Make-lang.in: Add install-pdf target as copied from
        automake v1.10 rules.

2007-03-01  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30865
        * trans-intrinsic.c (gfc_conv_intrinsic_size): Compare pointers.

2007-02-28  Tobias Burnus  <burnus@net-b.de>
            Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30888
        PR fortran/30887
        * resolve.c (resolve_actual_arglist): Allow by-value
        arguments and non-default-kind for %VAL().
        * trans-expr.c (conv_arglist_function): Allow
        non-default-kind for %VAL().

2007-02-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30968
        * primary.c (next_string_char): Correct reading a character
        after the delimiter.
        (match_string_constant): Print warning message only once.

2007-02-27  Richard Guenther  <rguenther@suse.de>

        * trans-array.c (structure_alloc_comps): Use correct type
        for null pointer constant.

2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.texi: Standardize title page, remove version number
        from copyright page.

2007-02-26  Thomas Koenig  <Thomas.Koenig@online.de>
            Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30865
        * trans-intrinsic.c (gfc_conv_intrinsic_size):
        If dim is an optional argument, check for its
        presence and call size0 or size1, respectively.

2007-02-23  Paul Thomas <pault@gcc.gnu.org>

        PR fortran/30660
        * resolve.c (has_default_initializer): New function.
        (resolve_fl_variable): Call has_default_initializer to determine if
        the derived type has a default initializer to its ultimate
        components.


2007-02-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        * options.c (set_default_std_flags): New function to consolidate
        setting the flags.
        (gfc_init_options): Use new function.
        (gfc_handle_option): Use new function.

2007-02-22  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.texi (Old-style kind specifications): Document
        special handling of old-style kind specifiers for COMPLEX.
        * decl.c (gfc_match_old_kind_spec): Documented kind/bytesize
        assumptions in comment.

2007-02-21  Bernhard Fischer  <aldot@gcc.gnu.org>

        * parse.c (next_free): Gooble spaces after OpenMP sentinel.

2007-02-20  Thomas Koenig  <Thomas.Koenig@online.de>

        PR fortran/30869
        * match.c (gfc_match_iterator): Remove conflict between
        loop variable and pointer.

2007-02-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30522
        * symbol.c (gfc_add_volatile): Allow to set VOLATILE
          attribute for host-associated variables.
        * gfortran.h (symbol_attribute): Save namespace
          where VOLATILE has been set.
        * trans-decl.c (gfc_finish_var_decl): Move variable
          declaration to the top.

2007-02-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30783
        * resolve.c (resolve_symbol): Add character dummy VALUE check.

2007-02-19  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/30533
        * fortran/iresolve.c (gfc_resolve_maxloc): Remove coercion of
        argument to default integer.
        (gfc_resolve_minloc): Likewise.

2007-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/30681
        * options.c (gfc_init_options): Relax warning level for obsolescent.
        * match.c (match_arithmetic_if): Change to obsolescent from deleted.
        (gfc_match_if): Same.

2007-02-18  Roger Sayle  <roger@eyesopen.com>

        * trans-array.c (gfc_build_constant_array_constructor): When the
        shape of the constructor is known, use that to construct the
        gfc_array_spec.
        (gfc_trans_constant_array_constructor): Initialize the "info"
        information for all of the dimensions of the array constructor.
        (constant_array_constructor_loop_size): New function.
        (gfc_trans_array_constructor): Use it to determine whether a
        loop is suitable for "constant array constructor" optimization.

        * trans-intrinsic.c (gfc_conv_intrinsic_anyall): Use fold_build2
        instead of build2, to avoid conditions like "(a != b) != 0".

2007-02-18  Roger Sayle  <roger@eyesopen.com>
            Paul Thomas <pault@gcc.gnu.org>

        PR fortran/30400
        * match.c (match_forall_iterator): Use gfc_match_expr instead
        of gfc_match_variable to match the iterator variable.  Return
        MATCH_NO if not a variable.  Remove the reset of the symbol's
        flavor in cleanup.

2007-02-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30793
        * trans-decl.c (gfc_generate_function_code): Do not initialize
        pointers to derived components.

2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
            Brooks Moses  <brooks.moses@codesourcery.com>
            Lee Millward  <lee.millward@codesourcery.com>

        * trans-expr.c (gfc_conv_power_op): Use build_call_expr.
        (gfc_conv_string_tmp): Likewise.
        (gfc_conv_concat_op): Likewise.
        (gfc_build_compare_string): Likewise.
        (gfc_conv_function_call): Use build_call_list instead of build3.

        * trans-array.c (gfc_trans_allocate_array_storage): Use
        build_call_expr.
        (gfc_grow_array): Likewise.
        (gfc_trans_array_ctor_element): Likewise.
        (gfc_trans_array_constructor_value): Likewise.
        (gfc_array_allocate): Likewise.
        (gfc_array_deallocate): Likewise.
        (gfc_trans_auto_array_allocation): Likewise.
        (gfc_trans_dummy_array_bias): Likewise.
        (gfc_conv_array_parameter): Likewise.
        (gfc_trans_dealloc_allocated): Likewise.
        (gfc_duplicate_allocatable): Likewise.

        * trans-openmp.c (gfc_trans_omp_barrier): Use build_call_expr.
        (gfc_trans_omp_flush): Likewise.

        * trans-stmt.c (gfc_conv_elementel_dependencies): Use build_call_expr.
        (gfc_trans_pause): Likewise.
        (gfc_trans_stop): Likewise.
        (gfc_trans_character_select): Likewise.
        (gfc_do_allocate): Likewise.
        (gfc_trans_assign_need_temp): Likewise.
        (gfc_trans_pointer_assign_need_temp): Likewise.
        (gfc_trans_forall_1): Likewise.
        (gfc_trans_where_2): Likewise.
        (gfc_trans_allocate): Likewise.
        (gfc_trans_deallocate): Likewise.

        * trans.c (gfc_trans_runtime_check): Use build_call_expr.

        * trans-io.c (gfc_trans_open): Use build_call_expr.
        (gfc_trans_close): Likewise.
        (build_filepos): Likewise.
        (gfc_trans_inquire): Likewise.
        (NML_FIRST_ARG): Delete.
        (NML_ADD_ARG): Delete.
        (transfer_namelist_element): Use build_call_expr.
        (build_dt): Likewise.
        (gfc_trans_dt_end): Likewise.
        (transfer_expr): Likewise.
        (transfer_array-desc): Likewise.

        * trans-decl.c (gfc_generate_function_code): Use build_call_expr.
        (gfc_generate_constructors): Likewise.

        * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Use build_call_expr.
        (gfc_conv_intrinsic_fdate): Likewise.
        (gfc_conv_intrinsic_ttynam): Likewise.
        (gfc_conv_intrinsic_array_transfer): Likewise.
        (gfc_conv_associated): Likewise.
        (gfc_conv_intrinsic_si_kind): Likewise.
        (gfc_conv_intrinsic_trim): Likewise.
        (gfc_conv_intrinsic_repeat: Likewise.
        (gfc_conv_intrinsic_iargc): Likewise.

2007-02-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/30779
        * scanner.c (gfc_next_char_literal): Add check for end of file after
        call to advance_line.

2007-02-14  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/30799
        * primary.c (match_logical_constant): Return MATCH_ERROR on invalid
        kind.

2007-02-14  Steven G. Kargl  <kargl@gcc.gnu.org>

        * misc.c (gfc_typename): Fix potential buffer overflow.

2007-02-13  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30554
        * module.c (read_module): Set pointer_info to referenced if the
        symbol has no namespace.

2007-02-12  Nick Clifton  <nickc@redhat.com>

        * lang.opt: Add Warning attribute to warning options.

2007-02-11  Daniel Franke  <franke.daniel@gmail.com>

        * intrinsic.texi (HOSTNM): Fix typographical error in syntax.
        (SLEEP): Added section and documentation.

2007-02-11  Tobias Schlüter  <tobi@gcc.gnu.org>

        PR fortran/30478
        * decl.c (add_init_expr_to_sym): Remove ENUM specific code.
        (variable_decl): Likewise.  Rewrap comment.
        (match_attr_spec): Remove ENUM specific code.
        (gfc_match_enum): Fix typo in error message.
        (enumerator_decl): New function.
        (gfc_match_enumerator_def): Use enumerator_decl instead of
        variable_decl.  Adapt code accordingly.

2007-02-11  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30554
        * module.c (find_symtree_for_symbol): New function to return
        a symtree that is not a "unique symtree" given a symbol.
        (read_module): Do not automatically set pointer_info to
        referenced because this inhibits the generation of a unique
        symtree.  Recycle the existing symtree if possible by calling
        find_symtree_for_symbol.

        PR fortran/30319
        * decl.c (add_init_expr_to_sym): Make new charlen for an array
        constructor initializer.

2007-02-10  Richard Henderson  <rth@redhat.com>, Jakub Jelinek  <jakub@redhat.com>

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

2007-02-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30512
        * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc,
          gfc_conv_intrinsic_minmaxval): Use HUGE-1 for most negative integer.

2007-02-09  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/30720
        * trans-array.c (gfc_trans_create_temp_array): Remove use of the
        function argument. Always generate code for negative extent.
        Simplify said code.
        * trans-array.h (gfc_trans_create_temp_array): Change prototype.
        * trans-expr.c (gfc_conv_function_call): Remove use of last argument
        of gfc_trans_create_temp_array.
        * trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): Likewise.
        * trans-stmt.c (gfc_conv_elemental_dependencies): Likewise.

2007-02-08  Roger Sayle  <roger@eyesopen.com>

        * trans-stmt.c (gfc_trans_forall_1): Optimize the cases where the
        mask expression is a compile-time constant (".true." or ".false.").

2007-02-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/30611
        * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Evaluate
        arguments only once. Generate check that NCOPIES argument is not
        negative.

2007-02-04  Steven G. Kargl <kargl@gcc.gnu.org>

        PR fortran/30605
        * fortran/invoke.texi: Update documentation.
        * fortran/options.c (gfc_post_options): Deal with tabs with -std=f2003
        and -pedantic.

2007-02-03  Kazu Hirata  <kazu@codesourcery.com>

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

2007-02-03  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30514
        * array.c (match_array_element_spec): If the length of an array is
        negative, adjust the upper limit to make it zero length.

        PR fortran/30660
        * resolve.c (pure_function, resolve_function): Initialize name to
        null to clear up build warnings.
        (resolve_fl_variable): Look at components explicitly to check for
        default initializer, rather than using gfc_default_initializer.

2007-02-02  Steven G. Kargl <kargl@gcc.gnu.org>

        PR fortran/30683
        * resolve.c (resolve_generic_f): Check for non-NULL sym.

2007-02-02  Roger Sayle  <roger@eyesopen.com>

        * trans.c (gfc_build_array_ref): Use STRIP_TYPE_NOPS to eliminate
        NON_LVALUE_EXPR nodes and useless type conversions.

2007-02-02  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30284
        PR fortran/30626
        * trans-expr.c (gfc_conv_aliased_arg): Remove static attribute
        from function and make sure that substring lengths are
        translated.
        (is_aliased_array): Remove static attribute.
        * trans.c : Add prototypes for gfc_conv_aliased_arg and
        is_aliased_array.
        * trans-io.c (set_internal_unit): Add the post block to the
        arguments of the function.  Use is_aliased_array to check if
        temporary is needed; if so call gfc_conv_aliased_arg.
        (build_dt): Pass the post block to set_internal_unit and
        add to the block after all io activiy is done.

2007-02-01  Roger Sayle  <roger@eyesopen.com>

        * trans-array.c (gfc_conv_expr_descriptor): We don't need to use
        a temporary array to pass a constant non-character array constructor.
        Generalize the descriptor generation code to handle scalarizer
        "info" without an array reference.

2007-02-01  Roger Sayle  <roger@eyesopen.com>

        * dependency.c (gfc_check_dependency) <EXPR_ARRAY>: Implement
        dependency checking for array constructors.

2007-02-01  Roger Sayle  <roger@eyesopen.com>

        * trans-stmt.c (compute_overall_iter_number): Document function
        arguments.  Generalize "unconditional forall nest with constant
        bounds" optimization to eliminate unconditional inner loops with
        constant bounds.

2007-01-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30520
        * interface.c (compare_actual_formal): Check conformance between
          actual and VOLATILE dummy arguments.
        * symbol.c (gfc_add_volatile): Allow setting of VOLATILE
          multiple times in different scopes.
        * decl.c (gfc_match_volatile): Search symbol in host association.

2007-01-31  Kazu Hirata  <kazu@codesourcery.com>

        * simplify.c, trans-array.c: Fix comment typos.

2007-01-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * invoke.texi (Code Gen Options): Fix abbreviation typo.
        * intrinsic.texi (ACCESS, LSHIFT, RSHIFT): Fix typos.

2007-01-30  Steve Ellcey  <sje@cup.hp.com>

        PR fortran/30432
        * trans-types.c (gfc_get_function_type): Do not add void_type_node
        to empty arg list.
        * trans-decl.c (create_function_arglist): Change assert.

2007-01-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30554
        * module.c (read_module): If a symbol is excluded by an ONLY
        clause, check to see if there is a symtree already loaded. If
        so, attach the symtree to the pointer_info.

2007-01-28  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/30389
        * gfortran.h: Remove gfc_simplify_init_1.
        * arith.h: Remove third argument from gfc_compare_string.
        * arith.c (gfc_compare_expression): Remove third argument
        from call to gfc_compare_string.
        (gfc_compare_string): Remove third argument xcoll_table.
        Remove use of xcoll_table.
        * misc.c (gfc_init_1): Remove call to gfc_simplify_init_1.
        * simplify.c (ascii_table): Remove.
        (xascii_table): Likewise.
        (gfc_simplify_achar): ICE if extract_int fails.  Remove use of
        ascii_table.  Warn if -Wsurprising and value < 0 or > 127.
        (gfc_simplify_char): ICE if extract_int fails. Error if
        value < 0 or value > 255.
        (gfc_simplify_iachar): Remove use of xascii_table.
        Char values outside of 0..255 are an ICE.
        (gfc_simplify_lge): Remove use of xascii_table.
        (gfc_simplify_lgt): Likewise.
        (gfc_simplify_lle): Likewise.
        (gfc_simplify_llt): Likewise.
        (invert_table): Remove.
        (gfc_simplify_init_1): Remove.

2007-01-27  Roger Sayle  <roger@eyesopen.com>

        * trans-stmt.c (forall_info): Replace the next_nest and outer
        fields that previously implemented a doubly-linked list with a
        single prev_nest field (singly-linked list).
        (gfc_trans_nested_forall_loop): The nested_forall_info argument
        now denotes the innermost FORALL in the loop nest.
        (compute_overall_iter_number): Use prev_nest instead of next_nest.
        (gfc_trans_forall_1): Link/cons the new "info" to the head of the
        nested_forall_info linked list.  Free the current "info" when done.

2007-01-27  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30407
        * trans-expr.c (gfc_conv_operator_assign): New function.
        * trans.h : Add prototype for gfc_conv_operator_assign.
        * trans-stmt.c (gfc_trans_where_assign): Add a gfc_symbol for
        a potential operator assignment subroutine.  If it is non-NULL
        call gfc_conv_operator_assign instead of the first assignment.
        ( gfc_trans_where_2): In the case of an operator assignment,
        extract the argument expressions from the code for the
        subroutine call and pass the symbol to gfc_trans_where_assign.
        resolve.c (resolve_where, gfc_resolve_where_code_in_forall,
        gfc_resolve_forall_body): Resolve the subroutine call for
        operator assignments.

2007-01-26  Steven Bosscher  <stevenb.gcc@gmail.com>
            Steven G. Kargl <kargl@gcc.gnu.org>

        PR fortran/30278
        * fortran/io.c (next_char): Deal with backslash escaped characters.
        Issue warnings in non -std=gnu cases.
        * fortran/primary.c (next_string_char): Issue warnings in non

2007-01-26  Tobias Burnus  <burnus@net-b.de>

        * lang-specs.h: Add support for .f03 and .F03 extensions.
        * gfortran.texi: Document .f03 extension.
        * options.c (form_from_filename): Recognize .f03.

2007-01-25  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR fortran/30437
        * lang.opt (Wall): Remove RejectNegative.
        * options.c (gfc_handle_option): Wall can be disabled.
        (set_Wall): Add a parameter for disabling Wall.
        
2007-01-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/30532
        * scanner.c (load_line): Remove check fot ctrl-z and don't gobble.
        
2007-01-23  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30481
        * match.c (gfc_match_namelist): Add check for assumed size character
        in namelist and provide error if found.

2007-01-21  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi (ACHAR): Added cross-references.
        (CHAR): Put cross-references in alphabetical order.
        (IACHAR): Added cross-references.
        (ICHAR): Added cross-references.

2007-01-20  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi: Edited all "Syntax" examples to a consistent form.
        (MAXVAL): Corrected description of result characteristics.
        (MINVAL): Same.
        (UMASK): Added documentation.

2007-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        * openmp.c, matchexp.c, module.c, scanner.c, resolve.c, st.c,
        parse.c, primary.c, options.c, misc.c, simplify.c: Next installment
        in the massive whitespace patch.

2007-01-20  Roger Sayle  <roger@eyesopen.com>

        * module.c (mio_array_ref): The dimen_type fields of an array ref
        are an enumerated type and can't be read/written directly with a
        call to mio_integer.  Instead loop over and cast each element.

2007-01-20  Roger Sayle  <roger@eyesopen.com>

        * dependency.c (gfc_full_array_ref_p): Check that ref->next is NULL,
        i.e. that the ARRAY_REF doesn't mention components.
        * trans-array.c (gfc_constant_array_constructor_p): Export external
        function renamed from constant_array_constructor_p.
        (gfc_build_constant_array_constructor): Export.
        (gfc_trans_array_constructor): Update call to the renamed function
        constant_array_constructor_p.
        * trans-array.h (gfc_constant_array_constructor_p): Prototype here.
        (gfc_build_constant_array_constructor): Likewise.
        * trans-expr.c (gfc_build_memcpy_call): New helper function split
        out from gfc_trans_array_copy.
        (gfc_trans_array_copy): Use gfc_build_memcpy_call.
        (gfc_trans_array_constructor_copy): New function to optimize
        assigning an entire array from a constant array constructor.
        (gfc_trans_assignment): Call gfc_trans_array_constructor_copy
        when appropriate.

2007-01-20  Roger Sayle  <roger@eyesopen.com>

        * trans-intrinsic.c (gfc_conv_intrinsic_sign): New branchless
        implementation for the SIGN intrinsic with integral operands.
        (gfc_conv_intrinsic_minmax): Fix whitespace.

2007-01-20  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * gfortran.h (gfc_options_t): Add flag_allow_leading_underscore.
        * lang.opt: Add -fallow-leading-underscore.
        * match.c (gfc_match_name): Allow leading underscore in symbol
        name if -fallow-leading-underscore is used.
        * symbol.c (gfc_get_default_type): Add special case for symbol
        names beginning with an underscore.
        * trans-decl.c (gfc_get_extern_function_decl,
        gfc_build_intrinsic_function_decls): Add _gfortran prefix to
        library symbols selected_int_kind, selected_real_kind and 
        all specifics.
        * options.c (gfc_init_options, gfc_handle_option): Handle the
        new -fallow-leading-underscore option.

2007-01-20  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/30446
        * options.c (gfc_handle_module_path_options): Path used in -J
        option is now added to the module search path.

2007-01-20  Richard Guenther  <rguenther@suse.de>

        PR fortran/30223
        * f95-lang.c (gfc_init_builtin_functions): Provide cbrt and
        cexpi builtins if we have TARGET_C99_FUNCTIONS.  Provide
        sincos builtins if the target has sincos.

2007-01-19  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi (MATMUL): Corrected a typo.
        (MAX): Separated @var arguments.
        (MIN): Separated @var arguments.

2007-01-19  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi: general whitespace cleanup.
        (menu): Added TIME8, removed UNMASK.
        (AINT): Clarified argument requirement.
        (ANINT): Clarified argument requirement.
        (CEILING): Clarified argument requirement.
        (CHAR): Clarified argument requirement.
        (CMPLX): Clarified argument requirement.
        (DCMPLX): Clarified argument requirement.
        (FGET): Line rewrapping.
        (FLOOR): Clarified argument requirement.
        (GMTIME): Added documentation.
        (IAND): Added cross-reference.
        (IBCLR): Added cross-reference.
        (IBSET): Added cross-reference.
        (IEOR): Added cross-reference.
        (INT): Collapsed examples, clarified argument requirement.
        (IOR): Added cross-references.
        (LEN_TRIM): Corrected result kind.
        (LINK): Added cross-reference.
        (LLT): Removed "documentation pending".
        (LOGICAL): Added documentation.
        (LSHIFT): Added documentation.
        (LTIME): Added documentation.
        (MATMUL): Added documentation.
        (MAX): Added documentation.
        (MAXLOC): Added documentation.
        (MAXVAL): Added documentation.
        (MERGE): Added documentation.
        (MIN): Added documentation.
        (MINLOC): Added documentation.
        (MINVAL): Added documentation.
        (MVBITS): Moved to correct place, added documentation.
        (NOT): Added documentation.
        (PERROR): Added documentation.
        (RAN): Moved to correct place, added documentation.
        (REAL): Clarified argument requirement.
        (RENAME): Added documentation.
        (RSHIFT): Clarified argument requirement.
        (SIGN): Corrected table specification.
        (SYMLNK): Added documentation.
        (SYSTEM): Added documentation.
        (TIME): Added documentation.
        (TIME8): Added section and documentation.
        (UNMASK): Removed erroneous section.

2007-01-18  H.J. Lu  <hongjiu.lu@intel.com>

        * trans-stmt.c (compute_overall_iter_number): Fix a typo.

2007-01-18  Roger Sayle  <roger@eyesopen.com>

        * trans-expr.c (copyable_array_p): Consider user derived types without
        allocatable components to be copyable.

2007-01-18  Roger Sayle  <roger@eyesopen.com>

        * trans-stmt.c (compute_overall_iter_number): Enhance to precompute
        the number of interations in unconditional FORALL nests with constant
        bounds.

2007-01-18  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
            Tobias Burnus  <burnus@net-b.de>

        PR libfortran/29649
        * gfortran.h (gfc_option_t): Add flag_dump_core.
        * lang.opt: Add -fdump-core option.
        * invoke.texi: Document the new options.
        * trans-decl.c (gfc_build_builtin_function_decls): Add new
          options to the call to set_std.
        * options.c (gfc_init_options, gfc_handle_option): Set the
          new options.

2007-01-17  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30476
        * module.c (load_generic_interfaces): Make the marking of the
        symbol as ambiguous conditional on the module names being
        different.
        (write_generic): Ensure that the generic interface has a
        non-NULL module field.

2007-01-16  Roger Sayle  <roger@eyesopen.com>

        PR fortran/30404
        * trans-stmt.c (forall_info): Remove pmask field.
        (gfc_trans_forall_loop): Remove NVAR argument, instead assume that
        NVAR covers all the interation variables in the current forall_info.
        Add an extra OUTER parameter, which specified the loop header in
        which to place mask index initializations.
        (gfc_trans_nested_forall_loop): Remove NEST_FLAG argument.
        Change the semantics of MASK_FLAG to only control the mask in the
        innermost loop.
        (compute_overall_iter_number): Optimize the trivial case of a
        top-level loop having a constant number of iterations.  Update
        call to gfc_trans_nested_forall_loop.  Calculate the number of
        times the inner loop will be executed, not to size of the 
        iteration space.
        (allocate_temp_for_forall_nest_1): Reuse SIZE as BYTESIZE when
        sizeof(type) == 1.  Tidy up.
        (gfc_trans_assign_need_temp): Remove NEST_FLAG argument from calls
        to gfc_trans_nested_forall_loop.
        (gfc_trans_pointer_assign_need_temp): Likewise.
        (gfc_trans_forall_1): Remove unused BYTESIZE, TMPVAR, SIZEVAR and
        LENVAR local variables.  Split mask allocation into a separate
        hunk/pass from mask population.  Use allocate_temp_for_forall_nest
        to allocate the FORALL mask with the correct size.  Update calls
        to gfc_trans_nested_forall_loop.
        (gfc_evaluate_where_mask): Update call to
        gfc_trans_nested_forall_loop.
        (gfc_trans_where_2): Likewise.

2007-01-15  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/28172
        * trans-stmt.c (gfc_trans_call): If it does not have one, get
        a backend_decl for an alternate return.

        PR fortran/29389
        * resolve.c (pure_function): Statement functions are pure. Note
        that this will have to recurse to comply fully with F95.

        PR fortran/29712
        * resolve.c (resolve_function): Only a reference to the final
        dimension of an assumed size array is an error in an inquiry
        function.

        PR fortran/30283
        * resolve.c (resolve_function): Make sure that the function
        expression has a type.

2007-01-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30410
        * trans-decl.c (gfc_sym_mangled_function_id): Module, external
        symbols must not have the module name prepended.

2007-01-11  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/30415
        * iresolve.c (gfc_resolve_maxloc): If the rank
        of the return array is nonzero and we process an
        integer array smaller than default kind, coerce
        the array to default integer.
        * iresolve.c (gfc_resolve_minloc): Likewise.

2007-01-11  Brooks Moses  <brooks.moses@codesourcery.com>

        * simplify.c: Update copyright to 2007.
        * scanner.c: Same.

2007-01-11  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/30430
        * scanner.c (gfc_release_include_path): Free gfc_option.module_dir
        only once!

2007-01-09  Brooks Moses  <brooks.moses@codesourcery.com>

        * simplify.c (gfc_simplify_ibclr): Fix POS comparison.
        (gfc_simplify_ibset): Same.

2007-01-09  Brooks Moses  <brooks.moses@codesourcery.com>

        PR 30381
        PR 30420
        * simplify.c (convert_mpz_to_unsigned): New function.
        (convert_mpz_to_signed): New function, largely based on
        twos_complement().
        (twos_complement): Removed.
        (gfc_simplify_ibclr): Add conversions to and from an
        unsigned representation before bit-twiddling.
        (gfc_simplify_ibset): Same.
        (gfc_simplify_ishftc): Add checks for overly large
        constant arguments, only check the third argument if
        it's present, carry over high bits into the result as
        appropriate, and perform the final conversion back to
        a signed representation using the correct sign bit.
        (gfc_simplify_not): Removed unnecessary masking.

2007-01-09  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/30408
        * resolve.c (resolve_code): Use the code->expr character length
        directly to set length of llen.

2007-01-09  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/30408
        * lang.opt: Add Wcharacter_truncation option.
        * options.c (gfc_init_options): Initialize
        gfc_option.warn_character_truncation to zero.
        (gfc_handle_option): Add case for OPT_Wcharacter_truncation.

2007-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>

        * interface.c, intrinsic.c, gfortranspec.c, io.c, f95-lang.c,
        iresolve.c, match.c: Update Copyright years.  Whitespace.

2007-01-08  Richard Guenther  <rguenther@suse.de>

        * trans-io.c (transfer_array_desc): Use build_int_cst instead
        of build_int_cstu.

2007-01-08  Roger Sayle  <roger@eyesopen.com>

        * trans-array.c (constant_array_constructor_p): New function to
        determine whether an array constructor consists only of constant
        elements, and if so return it's size.
        (gfc_build_constant_array_constructor): Construct a statically
        initialized gfortran array for a given EXPR_ARRAY.
        (gfc_trans_constant_array_constructor): Efficiently scalarize
        a constant array constructor.
        (gfc_trans_array_constructor): Tidy up use of CONST_STRING.
        Special case scalarization of constant array constructors, all of
        whose elements are specified, using constant_array_constructor_p 
        and gfc_trans_constant_array_constructor.
        (gfc_conv_scalarized_array_ref): Check whetger info->offset is zero
        before adding it to index, to avoid creating a NON_LVALUE_EXPR.

2007-01-08  Kazu Hirata  <kazu@codesourcery.com>

        gfortran.texi: Fix typos.

2007-01-07  Steven G. Kargl  <kargl@gcc.gnu.org>

        * decl.c, dump-parse-tree.c, error.c, data.c, expr.c, dependency.c,
        convert.c: Update Copyright dates.  Fix whitespace.

2007-01-07  Bernhard Fischer  <aldot@gcc.gnu.org>

        * data.c (gfc_assign_data_value): Fix whitespace.

2007-01-07  Bernhard Fischer  <aldot@gcc.gnu.org>

        * trans-array.c (gfc_trans_create_temp_array, gfc_array_init_size):
        Commentary typo fix.

2007-01-07  Bernhard Fischer  <aldot@gcc.gnu.org>

        PR fortran/27698
        * match.c (gfc_match_name): Print diagnostics for invalid
        character in names.

2007-01-06  Steven G. Kargl  <kargl@gcc.gnu.org>

        * array.c: Fix whitespace in comment table.

2007-01-06  Steven G. Kargl  <kargl@gcc.gnu.org>

        * array.c, bbt.c, check.c: Update copyright years.  Whitespace.

2007-01-06  Steven G. Kargl  <kargl@gcc.gnu.org>

        * arith.c: Update copyright years.  Whitespace.

2007-01-05  Roger Sayle  <roger@eyesopen.com>

        * trans-expr.c (gfc_trans_assignment_1): New subroutine to scalarize
        array assignments split out from gfc_trans_assignment.
        (gfc_trans_array_copy): New function to implement array to array
        copies via calls to __builtin_memcpy.
        (copyable_array_p): New helper function to identify an array of
        simple/POD types, that may be copied/assigned using memcpy.
        (gfc_trans_assignment): Use gfc_trans_array_copy to handle simple
        whole array assignments considered suitable by copyable_array_p.
        Invoke gfc_trans_assignment_1 to perform the fallback scalarization.

2007-01-05  Roger Sayle  <roger@eyesopen.com>

        * trans-array.c (gfc_trans_array_constructor_value): Make the
        static const "data" array as TREE_READONLY.
        * trans-stmt.c (gfc_trans_character_select): Likewise.

2007-01-05  Roger Sayle  <roger@eyesopen.com>

        * trans-array.c (gfc_conv_loop_setup): Test whether the loop
        stride is one, to avoid fold_build2 introducing a useless
        NON_LVALUE_EXPR node.

2007-01-05  Tobias Burnus  <burnus@net-b.de>

        * symbol.c (check_conflict): Fix error message.

2007-01-05  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/23232
        * decl.c (gfc_in_match_data, gfc_set_in_match_data): New
        functions to signal that a DATA statement is being matched.
        (gfc_match_data): Call gfc_set_in_match_data on entry and on
        exit.
        * gfortran.h : Add prototypes for above.
        * expr.c (check_init_expr): Avoid check on parameter or
        variable if gfc_in_match_data is true.
        (gfc_match_init_expr): Do not call error on non-reduction of
        expression if gfc_in_match_data is true.

        PR fortran/27996
        PR fortran/27998
        * decl.c (gfc_set_constant_character_len): Add boolean arg to
        flag array constructor resolution.  Warn if string is being
        truncated.  Standard dependent error if string is padded. Set
        new arg to false for all three calls to
        gfc_set_constant_character_len.
        * match.h : Add boolean arg to prototype for
        gfc_set_constant_character_len.
        * gfortran.h : Add warn_character_truncation to gfc_options.
        * options.c (set_Wall): Set warn_character_truncation if -Wall
        is set.
        * resolve.c (resolve_code): Warn if rhs string in character
        assignment has to be truncated.
        * array.c (gfc_resolve_character_array_constructor): Set new
        argument to true for call to gfc_set_constant_character_len.

2007-01-05  Tobias Burnus  <burnus@net-b.de>

        PR fortran/29624
        * interface.c (compare_parameter_intent): New function.
          (check_intents): Support pointer intents.
        * symbol.c (check_conflict): Support pointer intents,
          better conflict_std message.
        * expr.c (gfc_check_assign,gfc_check_pointer_assign):
          Support pointer intents.
        * resolve.c (resolve_deallocate_expr,resolve_allocate_expr):
          Support pointer intents.

2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>

        PR 30371
        * check.c (gfc_check_kill_sub): Add checks for non-scalar
        arguments.

2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi: Minor cleanup, reflowing overlong
        paragraphs, and correcting whitespace.

2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi (LBOUND): Add documentation.
        (LGE): Add documentation.
        (LGT): Add documentation.
        (LINK): Add documentation.
        (LLE): Add documentation.
        (LLT): Add documentation.
        (LNBLNK): Add documentation.
        (UBOUND): Add documentation.
        (UNLINK): Add documentation.

2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi (IAND): Clarify argument specifications.
        (IBCLR): Add documentation.
        (IBITS): Add documentation.
        (IBSET): Add documentation.
        (IEOR): Add documentation.
        (IERRNO): Add documentation.
        (INDEX): Add documentation.
        (IOR): Add documentation.
        (ISHFT): Add documentation.
        (ISHFTC): Add documentation.
        (KILL): Add documentation.
        (LEN_TRIM): Add documentation.

2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>

        PR 30235
        * interface.c (compare_actual_formal): check for
        alternate returns when iterating over non-present
        arguments.

2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>

        * invoke.texi: Update manpage copyright to include 2007.

2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.texi: Update copyright to include 2007.
        * intrinsic.texi: Update copyright to include 2007.
        * invoke.texi: Update copyright to include 2007.

2007-01-02  Tobias Burnus  <burnus@net-b.de>
            Jakub Jelinek  <jakub@redhat.com>

        PR fortran/30276
        * scanner.c (open_included_file): Revert patch.
          (gfc_open_included_file): Support absolute pathnames.
          (gfc_open_intrinsic_module): Support absolute pathnames.

2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.texi (GNU Fortran and GCC): Rewrite

2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.texi (Introduction): Lower "Part I:
        Introduction" to a chapter, renumber Parts II and III to
        Parts I and II.
        * intrinsic.texi (Introduction): Rename to "Introduction
        to Intrinsics" to avoid conflict with the new chapter.

2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi (Introduction): Rewrite first paragraph.

2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>

        * invoke.texi (OpenMP): Added index entry.
        * gfortran.texi (title page): Removed erroneous '*'.

2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>

        * gfortran.texi (GFORTRAN_DEFAULT_RECL): Added units
        to description.
        (Extensions): Miscellaneous minor rewriting and copyediting.
        (BOZ-literal constants): Renamed from Hexadecimal constants.
        (Hollerith constants support): Added explanation and 
        suggestions for standard-conforming modern equivalents.

2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi: Improvements to index entries; change
        @findex entries to @cindex entries.
        * invoke.texi: Standardize and improve index entries.
        * gfortran.texi: Fix @code in one index entry.

2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>

        * invoke.texi: Change @code-type macros to appropriate
        variants (@command, @option, etc.)
        * gfortran.texi: Same.

2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>

        * intrinsic.texi: Various minor cleanups.

2007-01-02  Steven G. Kargl  <kargls@comcast.net>

        * trans-intrinsic.c (gfc_conv_intrinsic_ibits): Fix call to
        build_int_cst.

2007-01-02  Tobias Burnus  <burnus@net-b.de>

        PR fortran/30276
        * scanner.c (open_included_file): Support full-path filenames.

2007-01-02  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/20896
        * interface.c (check_sym_interfaces): Remove call to
        resolve_global_procedure.
        gfortran.h : Remove prototype for resolve_global_procedure.
        resolve.c (resolve_global_procedure): Add static attribute
        to function declaration.

2007-01-01  Steven G. Kargl  <kargls@comcast.net>

        * ChangeLog: Copy to ...
        * ChangeLog-2006: here.