[gcc.git] / gcc / fortran / ChangeLog

2011-06-05  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49255
        * trans-expr.c (gfc_conv_procedure_call): Fix -fcheck=pointer
        for F2008.

2011-06-05  Andreas Schmidt  <andreas.schmidt.42@gmx.net>
        Thomas Koenig  <tkoenig@gcc.gnu.org>

        * dump-parse-tree.c (show_symbol):  Don't dump namespace
        for ENTRY to avoid infinite recursion.

2011-06-02  Asher Langton  <langton2@llnl.gov>

        PR fortran/49268
        * trans-decl.c (gfc_trans_deferred_vars): Treat assumed-size Cray
        pointees as AS_EXPLICIT.

2011-06-02  Asher Langton  <langton2@llnl.gov>

        PR fortran/37039
        * decl.c (variable_decl): Merge current_as before copying to cp_as.

2011-06-02  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/49265
        * decl.c (gfc_match_modproc):  Allow for a double colon in a module
        procedure statement.
        * parse.c ( decode_statement): Deal with whitespace around :: in
        gfc_match_modproc.

2011-05-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * intrinsic.c (klass): Add CLASS_ATOMIC.
        (add_subroutines): Add atomic_ref/atomic_define.
        * intrinsic.texi (ATOMIC_REF, ATOMIC_DEFINE): Document.
        * intrinsic.h (gfc_check_atomic_def, gfc_check_atomic_ref,
        gfc_resolve_atomic_def, gfc_resolve_atomic_ref): New prototypes.
        * gfortran.h (gfc_isym_id): Add GFC_ISYM_ATOMIC_DEF
        and GFC_ISYM_ATOMIC_REF.
        (gfc_atomic_int_kind, gfc_atomic_logical_kind): New global vars.
        * iresolve.c (gfc_resolve_atomic_def, gfc_resolve_atomic_ref): New
        functions.
        * check.c (gfc_check_atomic, gfc_check_atomic_def,
        gfc_check_atomic_ref): New functions.
        * iso-fortran-env.def (ISOFORTRANENV_FILE_ATOMIC_INT_KIND,
        ISOFORTRANENV_FILE_ATOMIC_LOGICAL_KIND): Change kind value.
        * trans-intrinsic.c (conv_intrinsic_atomic_def,
        conv_intrinsic_atomic_ref, gfc_conv_intrinsic_subroutine): New
        functions.
        (conv_intrinsic_move_alloc) Renamed from
        gfc_conv_intrinsic_move_alloc - and made static.
        * trans.h (gfc_conv_intrinsic_move_alloc): Remove.
        (gfc_conv_intrinsic_subroutine) Add prototype.
        * trans.c (trans_code): Call gfc_conv_intrinsic_subroutine.
        * trans-types (gfc_atomic_int_kind, gfc_atomic_logical_kind): New
        global vars.
        (gfc_init_kinds): Set them.

2011-05-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-array.c (gfc_trans_dummy_array_bias): Handle
        cobounds of assumed-shape arrays.

2011-05-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * resolve.c (resolve_fl_variable): Handle static coarrays
        with non-constant cobounds.

2011-05-29  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47601
        * module.c (mio_component_ref): Handle components of extended types.
        * symbol.c (gfc_find_component): Return is sym is NULL.

2011-05-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * interface.c (compare_parameter): Add check for passing coarray
        to allocatable noncoarray dummy.

2011-05-29  Tobias Burnus  <burnus@net-b.de>
            Richard Guenther  <rguenther@suse.de>

        PR fortran/18918
        * trans-types.c (gfc_get_nodesc_array_type): Don't mess with
        the type's TREE_TYPE.
        * trans-array.c (gfc_conv_array_ref): Use TYPE_MAIN_VARIANT.
        * trans.c (gfc_build_array_ref): Ditto.

2011-05-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * check.c (gfc_check_associated, gfc_check_null): Add coindexed check.
        * match.c (gfc_match_nullify): Ditto.
        * resolve.c (resolve_deallocate_expr): Ditto.
        * trans-types.c (gfc_get_nodesc_array_type): Don't set restricted
        for nonpointers.

2011-05-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48820
        * gfortran.h (gfc_isym_id): Add GFC_ISYM_RANK.
        * intrinsic.c (add_functions): Add rank intrinsic.
        (gfc_check_intrinsic_standard): Handle GFC_STD_F2008_TR.
        * intrinsic.h (gfc_simplify_rank, gfc_check_rank): Add prototypes.
        * simplify.c (gfc_simplify_rank): New function.
        * intrinsic.texi (RANK): Add description for rank intrinsic.
        * check.c (gfc_check_rank): New function.

2011-05-26  Paul Thomas  <pault@gcc.gnu.org>
            Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48955
        * trans-expr.c (gfc_trans_assignment_1): GFC_REVERSE_NOT_SET
        changed to GFC_ENABLE_REVERSE.
        * trans-array.c (gfc_init_loopinfo): GFC_CANNOT_REVERSE changed
        to GFC_INHIBIT_REVERSE.
        * gfortran.h : Enum gfc_reverse is now GFC_ENABLE_REVERSE,
        GFC_FORWARD_SET, GFC_REVERSE_SET and GFC_INHIBIT_REVERSE.
        * dependency.c (gfc_dep_resolver): Change names for elements of
        gfc_reverse as necessary. Change the logic so that forward
        dependences are remembered as well as backward ones. When both
        have appeared, force a temporary.

2011-05-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-array.c (gfc_conv_array_ref): Handle pointer coarrays.
        * trans-decl.c (has_coarray_vars, caf_init_block,
        gfor_fndecl_caf_register): New file-global variables.
        (gfc_finish_var_decl): Make sure that coarrays in main are static.
        (gfc_build_qualified_array): Generate coarray token variable.
        (gfc_get_symbol_decl): Don't use a static initializer for coarrays.
        (gfc_build_builtin_function_decls): Set gfor_fndecl_caf_register.
        (gfc_trans_deferred_vars, gfc_emit_parameter_debug_info): Skip for
        static coarrays.
        (generate_local_decl): Check for local coarrays.
        (create_main_function): SYNC ALL before calling MAIN.
        (generate_coarray_sym_init): Register static coarray.
        (generate_coarray_init): Generate CAF registering constructor
        function.
        (gfc_generate_function_code): Call it, if needed, do not create
        cgraph twice.
        (gfc_generate_module_vars, gfc_process_block_locals): Call
        generate_coarray_init.
        * trans-types.c (gfc_get_nodesc_array_type): Generate pointers for
        -fcoarray=lib.
        * trans.h (gfor_fndecl_caf_register): New variable.
        (lang_type): New element caf_token.
        (GFC_TYPE_ARRAY_CAF_TOKEN): New macro.

2011-05-24  Joseph Myers  <joseph@codesourcery.com>

        * Make-lang.in (GFORTRAN_D_OBJS): Remove prefix.o.
        (gfortran$(exeext)): Use libcommon-target.a.

2011-05-22  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes.c (cfe_register_funcs):  Also register
        character functions if their charlens are known and constant.
        Also register allocatable functions.

2011-05-21  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48699
        * match.c (select_type_set_tmp): Make the temporary ALLOCATABLE if the
        selector is ALLOCATABLE.

2011-05-20  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48706
        * module.c (write_dt_extensions): Do not write extended types which
        are local to a subroutine.

2011-05-20  Joseph Myers  <joseph@codesourcery.com>

        * Make-lang.in (GFORTRAN_D_OBJS): Remove version.o and intl.o.

2011-05-20  Janne Blomqvist  <jb@gcc.gnu.org>

        * gfortran.texi (set_fpe): Update documentation.
        * invoke.texi (-ffpe-trap): Likewise.
        * libgfortran.h (GFC_FPE_PRECISION): Rename to GFC_FPE_INEXACT.
        * options.c (gfc_handle_fpe_trap_option): Handle inexact and make
        precision an alias for it.

2011-05-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-types.c (gfc_get_element_type): Handle scalar coarrays.
        (gfc_get_nodesc_array_type): Make a variant-type copy for scalar
        coarrays.
        * trans.c (gfc_build_array_ref): Return original type not variant
        copy for scalar coarrays.
        * trans-array.c (gfc_conv_array_ref): Ditto.

2011-05-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48700
        * trans-intrinsic.c (gfc_conv_intrinsic_move_alloc): Deallocate 'TO'
        argument to avoid memory leaks.

2011-05-16  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (_gfortran_set_options): Add GFC_STD_F2008_TR.
        (Fortran 2008 status): Multi-image support for coarrays.
        (TR 19113 status): New section.

2011-05-15  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        actual argument is not an array; rank mismatch is diagnosted later.
        * trans-decl.c (gfc_get_symbol_decl, gfc_trans_deferred_vars): Handle
        scalar coarrays.
        * trans-types.c (gfc_get_array_type_bounds): Ditto.

2011-05-15  Joern Rennecke  <amylaar@spamcop.net>

        PR middle-end/46500
        * trans-types.c: Include "tm.h".
        [0] (c_size_t_size): Remove.

2011-05-15  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/48915
        * gfortran.texi (_gfortran_set_options): Even though -fbacktrace
        is now the default, the library defaults to backtracing disabled.

2011-05-14  Tobias Burnus  <burnus@net-b.de>

        * lang.opt (fdump-core): Re-add as ignored option
        for backward compatibility.

2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/48915
        * gfortran.texi: Update mixed-language programming section
        reflecting the removal of the fdump-core option, and that
        -fbacktrace is now enabled by default.

2011-05-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/22572
        * frontend-passes.c (cfe_register_funcs):  Also register functions
        for potential elimination if the rank is > 0, the shape is unknown
        and reallocate on assignment is active.
        (create_var):  For rank > 0 functions with unknown shape, create
        an allocatable temporary.

2011-05-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * interface.c (compare_parameter): Skip diagnostic if
        actual argument is not an array; rank mismatch is diagnosted later.

2011-05-14  Tobias Burnus  <burnus@net-b.de>

        * options.c (gfc_init_options, gfc_post_options): Enable
        -fstack-arrays by default if -Ofast is used.
        * invoke.texi (-fstack-arrays): Document this.

2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/48915
        * gfortran.h (gfc_option_t): Remove flag_dump_core.
        * gfortran.texi (GFORTRAN_ERROR_DUMPCORE): Remove section.
        (GFORTRAN_ERROR_BACKTRACE): Document that it's enabled by default.
        * intrinsic.texi (ABORT): Remove explanation of -fdump-core.
        * invoke.texi: Remove -fdump-core, document that -fbacktrace is
        enabled by default.
        * lang.opt: Remove -fdump-core.
        * options.c (gfc_init_options): Make backtrace default to enabled,
        remove dump_core.
        (gfc_handle_option): Remove OPT_fdump-core.
        * trans-decl.c: Pass a 0 to preserve ABI.

2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

        * gfortran.texi: Remove GFORTRAN_USE_STDERR documentation.

2011-05-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48972
        * io.c (resolve_tag_format, resolve_tag): Make sure
        that the string is of default kind.
        (gfc_resolve_inquire): Also resolve decimal tag.

2011-05-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48972
        * resolve.c (resolve_intrinsic): Don't resolve module
        intrinsics multiple times.

2011-05-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48889
        * expr.c (gfc_is_constant_expr): Use e->value.function.esym
        instead of e->symtree->n.sym, if available.

2011-05-07  Eric Botcazou  <ebotcazou@adacore.com>

        * f95-lang.c (global_bindings_p): Return bool and simplify.

2011-05-07  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        PR fortran/48919
        * trans.h: Move gfc_init_coarray_decl prototype ...
        * gfortran.h: ... to here.
        * parse.c (translate_all_program_units): Call gfc_init_coarray_decl.
        (gfc_parse_file): Update translate_all_program_units call.
        * trans-decl.c (gfc_init_coarray_decl): Fix variable declaration,
        new argument whether DECL_EXTERNAL should be used.
        (create_main_function): Update gfc_init_coarray_decl call.
        * trans-intrinsic.c (trans_this_image, trans_image_index,
        conv_intrinsic_cobound): Ditto.

2011-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-array.c (gfc_walk_variable_expr): Continue walking
        for scalar coarrays.
        * trans-intrinsic.c (convert_element_to_coarray_ref): New function.
        (trans_this_image, trans_image_index, conv_intrinsic_cobound): Use it.
        (trans_this_image): Fix algorithm.
        * trans-types.c (gfc_get_element_type, gfc_get_array_descriptor_base,
        gfc_sym_type): Handle scalar coarrays.

2011-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48858
        PR fortran/48820
        * lang.opt (std=f2008tr): New.
        * libgfortran.h (GFC_STD_F2008_TR): New macro constant.
        * decl.c (verify_c_interop_param): Allow OPTIONAL in BIND(C)
        procedures for -std=f2008tr/gnu/legacy.
        (gfc_match_import): Set sym to NULL.
        * options.c (set_default_std_flags,gfc_handle_option): Handle
        -std=f2008tr.
        * invoke.texi (-std=): Document -std=f2008tr.

2011-05-05  Nathan Froyd  <froydnj@codesourcery.com>

        * trans-decl.c (gfc_trans_entry_master_switch): Call build_case_label.
        * trans-io.c (add_case): Likewise.
        * trans-stmt.c (gfc_trans_integer_select): Likewise.
        (gfc_trans_character_select): Likewise.

2011-05-05  Eric Botcazou  <ebotcazou@adacore.com>

        * trans-decl.c (trans_function_start): Do not set
        dont_save_pending_sizes_p.

2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>

        * trans.h (gfc_chainon_list): Delete.
        * trans.c (gfc_chainon_list): Delete.

2011-05-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48864
        * invoke.texi (fno-protect-parens): Document
        that -Ofast implies -fno-protect-parens.
        * options.c (gfc_init_options, gfc_post_options):
        Make -Ofast imply -fno-protect-parens.

2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>

        * trans-decl.c (build_library_function_decl_1): Call
        build_function_type_vec.  Adjust argument list building accordingly.
        * trans-intrinsic.c (gfc_get_intrinsic_lib_fndecl): Likewise.
        * trans-types.c (gfc_get_function_type): Likewise.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * trans-array.c (gfc_trans_array_constructor_value): Use
        size_int for bounds of range types.
        (gfc_trans_array_constructor_value): Use size_type_node
        for memcpy argument.
        * trans-common.c (build_field): Use gfc_charlen_type_node
        for lengths.
        * trans-openmp.c (gfc_trans_omp_clauses): Do not pass NULL
        as type to build_int_cst.
        * trans-const.c (gfc_build_string_const): Use size_int
        for bounds of range types.
        (gfc_build_wide_string_const): Likewise.
        * trans-stmt.c (gfc_trans_label_assign): Use gfc_charlen_type_node
        for lengths.
        (gfc_trans_character_select): Likewise.
        (gfc_trans_character_select): Do not pass NULL
        as type to build_int_cst.
        (gfc_trans_character_select): Use size_int for bounds of range types.
        * trans-io.c (gfc_build_io_library_fndecls): Likewise.
        (add_case): Do not pass NULL as type to build_int_cst.
        (transfer_expr): Likewise.
        (transfer_array_desc): Likewise.
        * trans-decl.c (gfc_add_assign_aux_vars): Use gfc_charlen_type_node
        for lengths.
        (gfc_trans_assign_aux_var): Likewise.
        (create_main_function): Use size_int for bounds of range types.
        * trans-intrinsic.c (gfc_conv_intrinsic_minmax_char): Do not pass
        NULL as type to build_int_cst.
        (gfc_conv_intrinsic_spacing): Likewise.
        (gfc_conv_intrinsic_rrspacing): Likewise.
        (gfc_conv_intrinsic_len): Use gfc_charlen_type_node for lengths.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * trans-types.c (gfc_get_array_type_bounds): Remove zero notrunc
        argument to int_const_binop.

2011-05-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-intrinsic.c (trans_this_image): Implement version with
        coarray argument.
        (conv_intrinsic_cobound): Simplify code.
        (gfc_conv_intrinsic_function): Call trans_this_image for
        this_image(coarray) except for -fcoarray=single.

2011-05-02  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/48720
        * gfortran.texi: Document the 'Q' exponent-letter extension.
        * invoke.texi: Document -Wreal-q-constant.
        * lang.opt: Add -Wreal-q-constant option.
        * gfortran.h: Add warn_real_q_constant to option struct.
        * primary.c (match_real_constant):  Use it.  Accept 'Q' as
        exponent-letter for REAL(16) real-literal-constant with a
        fallback to REAL(10) or error if REAL(10) is not available.
        * options.c (gfc_init_options, set_Wall) Set it.
        (gfc_handle_option): Handle new option.

2011-04-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * dump-prase-tree.c (show_code_node):  Set the current
        namespace to the BLOCK before displaying it; restore
        afterwards.

2011-04-30  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48821
        * decl.c (gfc_match_import): Don't try to find the
        symbol if already found.

2011-04-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/48746
        * trans-expr.c (fcncall_realloc_result): Set the bounds and the
        offset so that the lbounds are one.
        (gfc_trans_arrayfunc_assign): Add rank to arguments of above.

2011-04-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/48462
        * trans-expr.c (arrayfunc_assign_needs_temporary): Deal with
        automatic reallocation when the lhs is a target.

        PR fortran/48746
        * trans-expr.c (fcncall_realloc_result): Make sure that the
        result dtype field is set before the function call.

2011-04-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48810
        * resolve.c (resolve_typebound_generic_call): Don't check access
        flags of the specific function.

        PR fortran/48800
        * resolve.c (resolve_formal_arglist): Don't change AS_DEFERRED
        to AS_ASSUMED_SHAPE for function results.
        (resolve_fl_var_and_proc): Print also for function results with
        AS_DEFERRED an error, if they are not a pointer or allocatable.
        (resolve_types): Make sure arguments of procedures in interface
        blocks are resolved.

2011-04-29  Michael Matz  <matz@suse.de>

        * options.c (options.c): Set warn_maybe_uninitialized.

2011-04-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48112
        * resolve.c (resolve_fl_var_and_proc): Print diagnostic of
        function results only once.
        (resolve_symbol): Always resolve function results.

        PR fortran/48279
        * expr.c (gfc_check_vardef_context): Fix handling of generic
        EXPR_FUNCTION.
        * interface.c (check_interface0): Reject internal functions
        in generic interfaces, unless -std=gnu.

2011-04-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48788
        * resolve.c (resolve_global_procedure): Error recovery -
        avoid segfault for (non)character-returning functions.

2011-04-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * decl.c (gfc_match_end):  Check that the block name starts
        with "block@".
        * parse.c (gfc_build_block_ns):  Make block names unique by
        numbering them.

2011-04-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes.c (inserted_block):  New variable.
        (changed_statement):  Likewise.
        (create_var):  Encase statement to be operated on in a BLOCK.
        Adjust code insertion for BLOCK.
        (cfe_code):  Set inserted_block and changed_statement to NULL.

2011-04-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * module.c (mio_array_spec): Set as->cotype on reading.
        * resolve.c (resolve_allocate_expr): Fix allocating coarray
        components.

2011-04-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48405
        * frontend_passes (cfe_register_funcs): Remove workaround for DO
        loops.
        (gfc_code_walker):  Make sure the pointer to the current
        statement doen't change when other statements are inserted.

2011-04-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * array.c (gfc_match_array_spec): Fix maximal rank(+corank) check.

2011-04-20  Jim Meyering  <meyering@redhat.com>

        * expr.c (free_expr0): Remove useless if-before-free.
        * gfortranspec.c (lang_specific_pre_link): Likewise.
        * interface.c (gfc_extend_expr): Likewise.
        * trans-openmp.c (gfc_trans_omp_array_reduction): Likewise.

2011-04-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48588
        PR fortran/48692

        * module.c (fix_mio_expr): Commit created symbol.

2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>

        * scanner.c (load_file): Use XCNEWVAR instead of xcalloc.

2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>

        * frontend-passes.c (gfc_run_passes): Use XDELETEVEC instead of
        free.

2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>

        * misc.c (gfc_getmem): Remove function.
        * gfortran.h: Remove gfc_getmem prototype. Replace gfc_getmem
        usage with XCNEW or XCNEWVEC.
        * expr.c (gfc_check_assign_symbol): Replace gfc_getmem usage with
        XCNEW or XCNEWVEC.
        * options.c (gfc_handle_module_path_options)
        (gfc_get_option_string): Likewise.
        * resolve.c (gfc_resolve_forall): Likewise.
        * simplify.c (simplify_transformation_to_array): Likewise.
        * target-memory.c (gfc_target_interpret_expr): Likewise.
        * trans-common.c (get_segment_info, copy_equiv_list_to_ns)
        (get_init_field): Likewise.
        * trans-expr.c (gfc_conv_statement_function): Likewise.
        * trans-io.c (nml_full_name): Likewise.
        * trans-stmt.c (gfc_trans_forall_1): Likewise.
        * scanner.c (load_file): Replace gfc_getmem usage with xcalloc.

2011-04-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48588
        * parse.c (resolve_all_program_units): Skip modules.
        (translate_all_program_units): Handle modules.
        (gfc_parse_file): Defer code generation for modules.

2011-04-19  Martin Jambor  <mjambor@suse.cz>

        * trans-decl.c (gfc_generate_function_code): Call cgraph_create_node
        instead of cgraph_get_create_node.

2011-04-18  Jim Meyering  <meyering@redhat.com>

        remove now-unused definition of gfc_free
        * misc.c (gfc_free): Remove function.
        * gfortran.h (gfc_free): Remove its prototype.

2011-04-18  Jim Meyering  <meyering@redhat.com>

        convert each use of gfc_free (p) to free (p)
        Do that by running this command:
          perl -pi -e    's/\bgfc_free ?\(/free (/' \
            $(git grep -El '\bgfc_free ?\(')
        which also corrects the few uses that lacked a space between
        the function name and the open parenthesis.
        Manually undo the change to the function definition itself
        and its prototype.  They'll be removed next.
        * array.c (gfc_free_array_spec, gfc_set_array_spec): s/gfc_free/free/
        * constructor.c (node_free): Likewise.
        * cpp.c (dump_queued_macros): Likewise.
        * data.c (gfc_assign_data_value): Likewise.
        * decl.c (free_variable, free_value, gfc_free_data): Likewise.
        (gfc_free_data_all, match_old_style_init): Likewise.
        (gfc_set_constant_character_len, gfc_free_enum_history, NUM_DECL):
        Likewise.
        (gfc_match_modproc): Likewise.
        * dependency.c (check_section_vs_section): Likewise.
        * error.c (gfc_pop_error, gfc_free_error): Likewise.
        * expr.c (free_expr0, gfc_free_expr, gfc_free_actual_arglist): Likewise.
        (gfc_free_ref_list, gfc_replace_expr, gfc_copy_ref): Likewise.
        (find_substring_ref, gfc_simplify_expr, gfc_check_assign_symbol):
        Likewise.
        * frontend-passes.c (gfc_run_passes, cfe_expr_0): Likewise.
        (strip_function_call, optimize_comparison): Likewise.
        * interface.c (gfc_free_interface, arginfo, check_interface0): Likewise.
        (CHECK_OS_COMPARISON, gfc_extend_assign, gfc_free_formal_arglist):
        Likewise.
        * intrinsic.c (gfc_intrinsic_done_1, gfc_convert_type_warn): Likewise.
        (gfc_convert_chartype): Likewise.
        * io.c (gfc_free_open, compare_to_allowed_values, gfc_free_close):
        Likewise.
        (gfc_free_filepos, gfc_free_dt, gfc_free_inquire): Likewise.
        * match.c (gfc_free_iterator, gfc_match_associate): Likewise.
        (gfc_free_alloc_list, gfc_free_namelist, gfc_free_equiv_until):
        Likewise.
        (free_case, gfc_free_forall_iterator): Likewise.
        * misc.c: Likewise.
        * module.c (free_pi_tree, resolve_fixups, free_rename): Likewise.
        (free_true_name, peek_atom, mio_allocated_wide_string): Likewise.
        (mio_pool_string, mio_internal_string, mio_gmp_integer): Likewise.
        (mio_gmp_real, mio_expr, mio_typebound_proc): Likewise.
        (mio_full_typebound_tree, skip_list, load_equiv): Likewise.
        (free_written_common, gfc_use_module, gfc_free_use_stmts): Likewise.
        * openmp.c (gfc_free_omp_clauses): Likewise.
        * options.c (gfc_post_options): Likewise.
        * parse.c (select_type_pop, parse_omp_structured_block): Likewise.
        * primary.c (gfc_free_structure_ctor_component): Likewise.
        * resolve.c (resolve_structure_cons, check_host_association): Likewise.
        (gfc_resolve_forall, resolve_equivalence): Likewise.
        * scanner.c (gfc_scanner_done_1, gfc_release_include_path): Likewise.
        (gfc_define_undef_line, preprocessor_line, include_line): Likewise.
        (load_file, gfc_read_orig_filename): Likewise.
        * simplify.c (simplify_transformation_to_array): Likewise.
        (gfc_simplify_ibits, simplify_shift, gfc_simplify_ishftc, STRING):
        Likewise.
        (gfc_simplify_compiler_options): Likewise.
        * st.c (gfc_free_statement, gfc_free_statements): Likewise.
        (gfc_free_association_list): Likewise.
        * symbol.c (free_components, gfc_free_st_label, free_st_labels):
        Likewise.
        (gfc_delete_symtree, gfc_free_symbol, gfc_undo_symbols): Likewise.
        (free_old_symbol, gfc_commit_symbols, free_tb_tree): Likewise.
        (free_common_tree, free_uop_tree, free_sym_tree): Likewise.
        (gfc_free_dt_list, gfc_free_equiv_infos, gfc_free_equiv_lists):
        Likewise.
        (gfc_free_finalizer, gfc_free_charlen, free_entry_list): Likewise.
        (gfc_free_namespace): Likewise.
        * trans-array.c (gfc_free_ss, gfc_trans_array_bound_check): Likewise.
        (gfc_conv_array_ref, gfc_conv_ss_startstride): Likewise.
        (gfc_trans_dummy_array_bias, gfc_conv_array_parameter): Likewise.
        * trans-common.c (get_init_field, create_common): Likewise.
        * trans-const.c (gfc_build_wide_string_const): Likewise.
        (gfc_conv_string_init): Likewise.
        * trans-decl.c (gfc_generate_function_code): Likewise.
        * trans-expr.c (gfc_conv_substring, gfc_free_interface_mapping):
        Likewise.
        (SCALAR_POINTER, gfc_conv_statement_function): Likewise.
        (gfc_trans_subarray_assign): Likewise.
        * trans-intrinsic.c (conv_generic_with_optional_char_arg): Likewise.
        * trans-io.c (gfc_trans_io_runtime_check, set_string): Likewise.
        (transfer_namelist_element, transfer_array_component): Likewise.
        * trans-openmp.c (gfc_trans_omp_array_reduction): Likewise.
        * trans-stmt.c (cleanup_forall_symtrees, gfc_trans_forall_1): Likewise.
        * trans.c (trans_runtime_error_vararg, gfc_restore_backend_locus):
        Likewise.

2011-04-15  Jim Meyering  <meyering@redhat.com>

        gfortran: remove cpp definition of free, ...
        in preparation for the s/gfc_free/free/ transformation.
        * gfortran.h (free): Remove macro definition that would otherwise
        prevent direct use of the function.

2011-04-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * array.c (gfc_match_array_ref): Check for too many codimensions.
        * check.c (gfc_check_image_index): Check number of elements
        in SUB argument.
        * simplify.c (gfc_simplify_image_index): Remove unreachable checks.

2011-04-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * iresolve.c (gfc_resolve_image_index): Set ts.type.
        * simplify.c (gfc_simplify_image_index): Don't abort if the bounds
        are not known at compile time and handle -fcoarray=lib.
        * trans-intrinsics.c (gfc_conv_intrinsic_function): Handle
        IMAGE_INDEX.
        (conv_intrinsic_cobound): Fix comment typo.
        (trans_this_image): New function.
        * trans-array.c (gfc_unlikely): Move to trans.c.
        * trans.c (gfc_unlikely): Function moved from trans-array.c.
        (gfc_trans_runtime_check): Use it.
        * trans-io.c (gfc_trans_io_runtime_check): Ditto.
        * trans.h (gfc_unlikely): Add prototype.

2011-04-18  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/48462
        * trans-expr.c (fcncall_realloc_result): Renamed version of
        realloc_lhs_bounds_for_intrinsic_call that does not touch the
        descriptor bounds anymore but makes a temporary descriptor to
        hold the result.
        (gfc_trans_arrayfunc_assign): Modify the reference to above
        renamed function.

2011-05-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48624
        * trans-decl.c (gfc_get_extern_function_decl): Fix decl
        for external procedures with proc arguments.

2011-04-15  Michael Matz  <matz@suse.de>

        * trans-array.c (toplevel): Include gimple.h.
        (gfc_trans_allocate_array_storage): Check flag_stack_arrays,
        properly expand variable length arrays.
        (gfc_trans_auto_array_allocation): If flag_stack_arrays create
        variable length decls and associate them with their scope.
        * gfortran.h (gfc_option_t): Add flag_stack_arrays member.
        * options.c (gfc_init_options): Handle -fstack_arrays option.
        * lang.opt (fstack-arrays): Add option.
        * invoke.texi (Code Gen Options): Document it.
        * Make-lang.in (trans-array.o): Depend on GIMPLE_H.

2011-04-15  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-intrinsic.c (conv_intrinsic_cobound): Remove unused
        code which is also causing an ICE.

2011-04-14  Nathan Froyd  <froydnj@codesourcery.com>

        * f95-lang.c (poplevel): Use BLOCK_CHAIN and block_chainon.

2011-04-12  Nathan Froyd  <froydnj@codesourcery.com>

        * f95-lang.c (union lang_tree_node): Check for TS_COMMON before
        calling TREE_CHAIN.

2011-04-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/48360
        PR fortran/48456
        * trans-array.c (get_std_lbound): For derived type variables
        return array valued component lbound.

2011-04-12  Martin Jambor  <mjambor@suse.cz>

        * trans-decl.c (gfc_generate_function_code): Call
        cgraph_get_create_node instead of cgraph_node.

2011-04-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * simplify.c (simplify_bound_dim): Exit for
        ucobound's last dimension unless -fcoarray=single.
        * trans-array (gfc_conv_descriptor_size_1): Renamed from
        gfc_conv_descriptor_size, made static, has now from_dim and
        to_dim arguments.
        (gfc_conv_descriptor_size): Call gfc_conv_descriptor_size.
        (gfc_conv_descriptor_cosize): New function.
        * trans-array.h (gfc_conv_descriptor_cosize): New prototype.
        * trans-intrinsic.c (conv_intrinsic_cobound): Add input_location
        and handle last codim of ucobound for when -fcoarray is not "single".

2011-04-08  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48448
        * gfortran.h (gfc_option_t):  Add warn_function_elimination and
        flag_frontend_optimize.
        * lang.opt (Wfunction-elimination):  Add.
        (ffrontend-optimize):  Add.
        * invoke.texi:  Add documentation for -Wfunction-elimination
        and -ffrontend-optimize.  Add -faggressive-function-elimination
        to list of code generation options.
        * frontend-passes.c (gfc_run_passes):  Run optimizations if
        flag_frontend_optimize is set.
        (warn_function_elimination):  New function.
        (cfe_expr_0):  Call it if requested to do so.
        * options.c (gfc_init_options):  Initiate warn_function_elimination
        and flag_frontend_optimize.
        (gfc_post_options):  Set flag_frontend_optimize if not specified
        by user, depending on the optimization level.
        (gfc_handle_option):  Handle -Wfunction-elimination and
        -ffrontend-optimize.

2011-04-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Fix
        call for this_image.

2011-04-05  Nathan Froyd  <froydnj@codesourcery.com>

        * trans-intrinsic.c (gfc_build_intrinsic_lib_fndecls): Use
        build_function_type_list instead of build_function_type.  Correct
        argument order for func_frexp and func_scalbn.

2011-04-05  Duncan Sands  <baldrick@free.fr>

        * f95-lang.c (build_builtin_fntypes): Swap frexp parameter types.

2010-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes: (optimize_lexical_comparison): New function.
        (optimize_expr): Call it.
        (optimize_comparison): Also handle lexical comparison functions.
        Return false instad of -2 for unequal comparison.

2011-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48412
        * frontend-passes (cfe_expr_0):  Reverse the order of going
        through the loops.

2011-04-04  Tobias Burnus  <burnus@net-b.de>
            Mikael Morin  <mikael.morin@sfr.fr>

        PR fortran/18918
        * check.c (is_coarray): Update - because of DIMEN_THIS_IMAGE.
        * expr.c (gfc_is_coindexed): Ditto.
        * gfortran.h (gfc_array_ref_dimen_type): Add DIMEN_THIS_IMAGE.
        * interface.c (compare_parameter): Use gfc_expr_attr and
        gfc_is_coindexed.
        * resolve.c (check_dimension, compare_spec_to_ref,
        resolve_allocate_expr, check_data_variable): Update for
        DIMEN_THIS_IMAGE.
        * simplify.c (gfc_simplify_lcobound, gfc_simplify_this_image,
        gfc_simplify_ucobound): Allow non-constant bounds.
        * trans-array.c (gfc_set_loop_bounds_from_array_spec,
        gfc_trans_create_temp_array, gfc_trans_constant_array_constructor,
        gfc_set_vector_loop_bounds, gfc_conv_array_index_offset,
        gfc_start_scalarized_body, gfc_trans_scalarizing_loops,
        gfc_trans_scalarized_loop_boundary, gfc_conv_section_startstride,
        gfc_conv_ss_startstride, gfc_conv_loop_setup,
        gfc_trans_array_bounds, gfc_conv_expr_descriptor,
        gfc_walk_variable_expr): Handle codimen.
        * trans-decl.c (gfc_build_qualified_array): Save cobounds.
        * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use arg2.
        (conv_intrinsic_cobound): New function.
        (gfc_conv_intrinsic_function): Call it.
        (gfc_walk_intrinsic_function, gfc_add_intrinsic_ss_code): Handle
        ucobound, lcobound, this_image.
        * fortran/trans-types.c (gfc_build_array_type): Save cobounds.
        (gfc_get_dtype): Honour corank.
        (gfc_get_nodesc_array_type): Save corank and codimensions.
        (gfc_get_array_type_bounds): Save cobound.
        * fortran/trans.h (gfc_ss_info,gfc_loopinfo): Add codimen item.
        (gfc_array_kind): Add corank item.
        (GFC_TYPE_ARRAY_CORANK): New macro.

2011-04-03  Kai Tietz  <ktietz@redhat.com>

        PR middle-end/48422
        * Make-lang.in (f95-lang.o): Add some missing dependencies.

2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48352
        * frontend-passes (cfe_register_funcs):  Don't
        register functions if they appear as iterators in DO loops.

2011-03-30  Michael Matz  <matz@suse.de>

        PR fortran/47516
        * trans-expr.c (realloc_lhs_loop_for_fcn_call): Take loop as parameter,
        don't use local variable.
        (gfc_trans_arrayfunc_assign): Adjust caller.

2011-03-29  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48095
        * decl.c (match_procedure_decl,match_ppc_decl): Set flavor of interface.
        * module.c (MOD_VERSION): Bump.
        (mio_typespec): Read/write 'interface' field.
        * primary.c (match_string_constant,match_logical_constant): Remove
        unneeded code.
        (match_complex_constant): Make sure to clear the typespec.

2011-03-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes.c (create_var):  Warn about creating an
        array temporary if requested.

2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/47065
        * frontend-passes.c (optimize_trim): Also follow references, except
        when they are substring references or array references.

2011-03-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.h (gfc_isym_id): Rename GFC_ISYM_NUMIMAGES to
        GFC_ISYM_NUM_IMAGES.
        (gfc_fcoarray): Add GFC_FCOARRAY_LIB.
        * intrinsic.c (add_functions): Update due to GFC_ISYM_NUM_IMAGES
        rename.
        * invoke.texi (-fcoarray=): Document "lib" argument.
        * iresolve.c (gfc_resolve_this_image): Fix THIS IMAGE().
        * libgfortran.h (libgfortran_stat_codes): Add comments.
        * options.c (gfc_handle_coarray_option): Add -fcoarray=lib.
        * simplify.c (gfc_simplify_num_images, gfc_simplify_this_image):
        Handle GFC_FCOARRAY_LIB.
        * trans.h (gfc_init_coarray_decl): New prototype.
        (gfor_fndecl_caf_init, gfor_fndecl_caf_finalize,
        gfor_fndecl_caf_critical, gfor_fndecl_caf_end_critical,
        gfor_fndecl_caf_sync_all, gfor_fndecl_caf_sync_images,
        gfor_fndecl_caf_error_stop, gfor_fndecl_caf_error_stop_str,
        gfort_gvar_caf_num_images, gfort_gvar_caf_this_image):
        New global variables.
        * trans-decl.c: Declare several CAF functions (cf. above).
        (gfc_build_builtin_function_decls): Initialize those.
        (gfc_init_coarray_decl): New function.
        (create_main_function): Call CAF init/finalize functions.
        * trans-intrinsic.c (trans_this_image, trans_num_images): New.
        (gfc_conv_intrinsic_function): Call those.
        * trans-stmt.c (gfc_trans_stop, gfc_trans_sync, gfc_trans_critical):
        Add code for GFC_FCOARRAY_LIB.

2011-03-26  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48291
        * class.c (get_unique_hashed_string): Adjust maximum allowable length
        for unique type string.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

        * scanner.c (preprocessor_line): Use filename_cmp
        instead of strcmp.

2011-03-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48174
        PR fortran/45304
        * trans-types.c (gfc_get_function_type): Don't use varargs if the
        procedure is known to have no arguments.

2010-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/22572
        * gfortran.h (gfc_option_t) : Add
        flag_aggressive_function_elimination.
        (gfc_dep_compare_functions):  Add prototype.
        * lang.opt: Add faggressive-function-elimination.
        * invoke.texi: Document -faggressive-function-elimination.
        * frontend_passes (expr_array):  New static variable.
        (expr_size):  Likewise.
        (expr_count):  Likewise.
        (current_code):  Likewise.
        (current_ns):  Likewise.
        (gfc_run_passes):  Allocate and free space for expressions.
        (cfe_register_funcs):  New function.
        (create_var):  New function.
        (cfc_expr_0):  New function.
        (cfe_code):  New function.
        (optimize_namespace):  Invoke gfc_code_walker with cfe_code
        and cfe_expr_0.
        * dependency.c (gfc_dep_compare_functions):  New function.
        (gfc_dep_compare_expr):  Use it.
        * options.c (gfc_init_options):  Handle
        flag_aggressive_function_elimination.
        (gfc_handle_option):  Likewise.

2011-03-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * arith.c (arith_power): Plug memory leak.

2011-03-12  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48059
        * trans-expr.c (gfc_apply_interface_mapping_to_expr): Replace base type
        for polymorphic arguments.

2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/48054
        * intrinsic.texi: Clarify doc of logarithm functions.

2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/47552
        * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Fix type of
        the string length variable.

2011-03-11  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47768
        * module.c (ab_attribute,attr_bits): Add AB_PROC_POINTER_COMP.
        (mio_symbol_attribute): Handle attribute 'proc_pointer_comp'.

2011-03-06  Paul Thomas  <pault@gcc.gnu.org>
            Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/47850
        * expr.c (gfc_is_constant_expr): Only use gfc_constant_ac if
        the expression has an iterator.  Otherwise, iterate through the
        array, checking for constant expressions for each element.

2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/47802
        * intrinsic.texi: Update CTIME and FDATE documentation.

2011-03-03  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * invoke.texi (Option Summary, Fortran Dialect Options)
        (Preprocessing Options, Runtime Options, Code Gen Options):
        Fix vertical list spacing by using @itemx for additinoal
        items, empty line before @table.  Fix typos.

2011-02-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/47894
        * intrinsic.texi: Fix doc of the VERIFY intrinsic.

2011-02-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47846
        * trans-stmt.c (gfc_trans_allocate): Fix allocation with
        type-spec of deferred-length strings.

2011-02-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47886
        * openmp.c (gfc_resolve_omp_directive): Resolve if()
        condition of OpenMP's task.

2011-02-26  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/47894
        * intrinsic.texi: Fix doc of the VERIFY intrinsic.

2011-02-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47872
        * intrinsic.texi (ALLOCATED, ATAN, BESSEL_JN, BESSEL_YN): Add
        multitable for linebreak between different syntax variants.

2011-02-24  Richard Guenther  <rguenther@suse.de>

        PR fortran/47839
        * f95-lang.c (pushdecl): For externs in non-global scope push
        a copy of the decl into the BLOCK.

2011-02-23  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/40850
        * trans.c (gfc_prepend_expr_to_block): New function.
        * trans.h (gfc_prepend_expr_to_block): Declare.
        * trans-array.c (gfc_conv_array_parameter): Replace
        gfc_add_expr_to_block with gfc_prepend_expr_to_block.

2011-02-22  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/45743
        * trans-decl.c (gfc_get_extern_function_decl): Don't use the
        gsymbol backend_decl if the procedure has a formal argument
        that is a procedure.

2011-02-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/41359
        * trans-stmt.c (gfc_trans_if_1): Use correct line for
        expressions in the if condition.

2011-02-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47797
        * trans-decl.c (gfc_trans_deferred_vars): Use gfc_set_backend_locus and
        gfc_restore_backend_locus to have better debug locations.
        * trans-array.c (gfc_trans_deferred_array): Ditto.

2011-02-20  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/45077
        PR fortran/44945
        * trans-types.c (gfc_get_derived_type): Remove code that looks
        for decls in gsym and add call to gfc_get_module_backend_decl.
        * trans.h : Add prototype for gfc_get_module_backend_decl.
        * trans-decl.c (gfc_get_module_backend_decl): New function.
        (gfc_get_symbol_decl): Call it.

2011-02-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/47348
        * trans-array.c (get_array_ctor_all_strlen): Move up in file.
        (get_array_ctor_var_strlen): Add block dummy and add call to
        get_array_ctor_all_strlen instead of giving up on substrings.
        Call gcc_unreachable for default case.
        (get_array_ctor_strlen): Add extra argument to in call to
        get_array_ctor_var_strlen.

2011-02-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47789
        * primary.c (gfc_match_structure_constructor): Handle empty parent
        types.

2011-02-18  Tobias Burnus

        PR fortran/47775
        * trans-expr.c (arrayfunc_assign_needs_temporary): Use
        esym to check whether the specific procedure returns an
        allocatable or pointer.

2011-02-18  Michael Matz  <matz@suse.de>

        PR fortran/45586
        * gfortran.h (struct gfc_component): Add norestrict_decl member.
        * trans.h (struct lang_type): Add nonrestricted_type member.
        * trans-expr.c (gfc_conv_component_ref): Search fields with correct
        parent type.
        * trans-types.c (mirror_fields, gfc_nonrestricted_type): New.
        (gfc_sym_type): Use it.

2011-02-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47768
        * resolve.c (resolve_transfer): Reject variables with procedure pointer
        components.

2011-02-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47767
        * gfortran.h (gfc_check_access): Removed prototype.
        (gfc_check_symbol_access): Added prototype.
        * module.c (gfc_check_access): Renamed to 'check_access', made static.
        (gfc_check_symbol_access): New function, basically a shortcut for
        'check_access'.
        (write_dt_extensions,write_symbol0,write_generic,write_symtree): Use
        'gfc_check_symbol_access'.
        (write_operator,write_module): Renamed 'gfc_check_access'.
        * resolve.c (resolve_fl_procedure,resolve_fl_derived,
        resolve_fl_namelist,resolve_symbol,resolve_fntype): Use
        'gfc_check_symbol_access'.

2011-02-16  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47745
        * class.c (gfc_build_class_symbol): Set 'class_ok' attribute.
        * decl.c (build_sym,attr_decl1): Move setting of 'class_ok' into
        'gfc_build_class_symbol'.
        (gfc_match_decl_type_spec): Reject unlimited polymorphism.
        * interface.c (matching_typebound_op): Check for 'class_ok' attribute.
        * match.c (select_type_set_tmp): Move setting of 'class_ok' into
        'gfc_build_class_symbol'.
        * primary.c (gfc_variable_attr): Check for 'class_ok' attribute.

2011-02-15  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/47633
        . simplify.c (gfc_simplify_compiler_version): Fix off-by-one issue.

2011-02-14  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47730
        * parse.c (gfc_build_block_ns): Commit 'block@' symbol.

2011-02-14  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47728
        * class.c (gfc_build_class_symbol): Give a fatal error on polymorphic
        arrays.
        * primary.c (gfc_match_varspec): Avoid ICE for invalid class
        declaration.

2011-02-14  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47349
        * interface.c (get_expr_storage_size): Handle derived-type components.

2011-02-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47569
        * interface.c (compare_parameter): Avoid ICE with
        character components.

2011-02-12  Janus Weil  <janus@gcc.gnu.org>

        * class.c (gfc_build_class_symbol): Reject polymorphic arrays.
        * decl.c (build_sym,build_struct,attr_decl1): Use return value of
        'gfc_build_class_symbol'.

2011-02-12  Michael Matz  <matz@suse.de>
            Janus Weil  <janus@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/45586
        * trans-expr.c (conv_parent_component_references): Avoid unintendent
        skipping of parent compounds.

2011-02-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47550
        * resolve.c (resolve_formal_arglist): PURE with VALUE
        and no INTENT: Add -std= diagnostics.

2011-02-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47352
        * resolve.c (resolve_procedure_interface): If interface has a result
        variable, copy the typespec and set result pointer to self.

2011-02-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47463
        * resolve.c (resolve_typebound_subroutine): Remove erroneous line.

2011-02-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47637
        * trans-decl.c (init_intent_out_dt): Handle CLASS arguments.

2011-02-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        * io.c (match_io_element): Do not set dt if not inquire.

2011-02-08  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/45290
        * expr.c (gfc_check_assign_symbol): Reject pointers as pointer
        initialization target.

2011-02-07  Janne Blomqvist  <jb@gcc.gnu.org>
            Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * gfortran.texi (Thread-safety): texinfo styling fixes.
        * intrinsic.texi: Likewise.

2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>

        * gfortran.texi (Compiler Characteristics): Add reference to
        thread-safety section.

2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>

        * gfortran.texi (Thread-safety): New section.
        * intrinsic.texi (EXECUTE_COMMAND_LINE): Mention thread-safety.
        (GETENV): Likewise.
        (GET_ENVIRONMENT_VARIABLE): Likewise.
        (SYSTEM): Likewise.

2011-02-06  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/47592
        * trans-stmt.c (gfc_trans_allocate): For deferred character
        length allocations with SOURCE, store to the values and string
        length to avoid calculating twice.  Replace gfc_start_block
        with gfc_init_block to avoid unnecessary contexts and to keep
        declarations of temporaries where they should be. Tidy up the
        code a bit.

2011-02-05  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/42434
        * intrinsic.texi (SYSTEM_CLOCK): Update documentation.

2011-02-02  Janus Weil  <janus@gcc.gnu.org>
            Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/47082
        * trans-expr.c (gfc_trans_class_init_assign): Add call to
        gfc_get_derived_type.
        * module.c (read_cleanup): Do not use unique_symtrees for vtabs
        or vtypes.

2011-02-02  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47572
        * resolve.c (resolve_fl_variable): Handle polymorphic allocatables.

2011-02-01  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47565
        * trans-expr.c (gfc_conv_structure): Handle constructors for procedure
        pointer components with allocatable result.

2011-01-31  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47455
        * trans-expr.c (gfc_conv_procedure_call): Handle procedure pointers
        with pointer or allocatable result.

2011-01-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/47519
        * trans-stmt.c (gfc_trans_allocate): Improve handling of
        deferred character lengths with SOURCE.
        * iresolve.c (gfc_resolve_repeat): Calculate character
        length from source length and ncopies.
        * dump-parse-tree.c (show_code_node): Show MOLD and SOURCE
        expressions for ALLOCATE.

2011-01-31  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47463
        * resolve.c (resolve_typebound_subroutine): Bug fix for the case of
        an argument of a typebound assignment being a component.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * gfortranspec.c (add_arg_libgfortran) [HAVE_LD_STATIC_DYNAMIC] Use
        LD_STATIC_OPTION, LD_DYNAMIC_OPTION.

2011-01-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47042
        * resolve.c (resolve_fl_procedure): Reject stmt functions
        with pointer/allocatable attribute.

2011-01-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47042
        * interface.c (gfc_procedure_use): Add explicit interface check for
        pointer/allocatable functions.

2011-01-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/47523
        * trans-expr.c (gfc_trans_assignment_1): If the rhs is an op
        expr and is assigned to a deferred character length scalar,
        make sure that the function is called before reallocation,
        so that the length is available. Include procedure pointer
        and procedure pointer component rhs as well.

        PR fortran/45170
        PR fortran/35810
        PR fortran/47350
        * gfortran.dg/allocatable_function_5.f90: New test not added by
        mistake on 2011-01-28.

2011-01-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47531
        * check.c (gfc_check_shape): Support kind argument in SHAPE.
        * intrinsic.c (add_functions): Ditto.
        * resolve.c (gfc_resolve_shape): Ditto.
        * simplify.c (gfc_simplify_shape): Ditto.
        * intrinsic.h (gfc_check_shape, gfc_resolve_shape,
        gfc_simplify_shape): Update prototypes.
        * intrinisc.text (SHAPE): Document kind argument.

2011-01-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47507
        * resolve.c (resolve_formal_arglist): Allow arguments with VALUE
        attribute also without INTENT.

2011-01-28  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (Fortran 2003 status): Mention support for
        nonconstant namelist variables.

2011-01-28  Paul Thomas  <pault@gcc.gnu.org>
            Tobias Burnus  <burnus@gcc.gnu.org>

        PR fortran/45170
        PR fortran/35810
        PR fortran/47350
        * interface.c (compare_actual_formal): An allocatable or pointer
        deferred length actual is only allowed if the formal argument
        is also deferred length. Clean up whitespace.
        * trans-expr.c (gfc_conv_procedure_call): Pass string length for
        deferred character length formal arguments by reference. Do the
        same for function results.
        (gfc_trans_pointer_assignment): Do not do runtime check of lhs
        and rhs character lengths, if deferred length lhs.  In this case
        set the lhs character length to that of the rhs.
        (gfc_conv_string_parameter): Remove assert that string length is
        an integer type.
        (is_scalar_reallocatable_lhs): New function.
        (alloc_scalar_allocatable_for_assignment): New function.
        (gfc_trans_assignment_1): Call above new function. If the rhs is
        a deferred character length itself, makes ure that the function
        is called before reallocation, so that the length is available.
        (gfc_trans_asssignment): Remove error about assignment to
        deferred length character variables.
        * gfortran.texi : Update entry about (re)allocation on
        assignment.
        * trans-stmt.c (gfc_trans_allocate): Add code to handle deferred
        length character variables.
        * module.c (mio_typespec): Transfer deferred characteristic.
        * trans-types.c (gfc_get_function_type): New code to generate
        hidden typelist, so that those character lengths that are
        passed by reference get the right type.
        * resolve.c (resolve_contained_fntype): Supress error for
        deferred character length functions.
        (resolve_function, resolve_fl_procedure) The same.
        (check_symbols): Remove the error that support for
        entity with deferred type parameter is not yet implemented.
        (resolve_fl_derived): The same.
        match.c (alloc_opt_list): Allow MOLD for deferred length object.
        * trans-decl.c (gfc_get_symbol_decl): For deferred character
        length dummies, generate a local variable for string length.
        (create_function_arglist): Hidden length can be a pointer.
        (gfc_trans_deferred_vars): For deferred character length
        results and dummies, assign the string length to the local
        variable from the hidden argument on entry and the other way
        round on exit, as appropriate.

2011-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47474
        * trans-decl.c (gfc_generate_function_code): Fix init
        of allocatable result variable with allocatable components.

2011-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47472
        * options.c (gfc_handle_module_path_options): Save
        module path without trailing slash as include path.

2011-01-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47448
        * interface.c (gfc_check_operator_interface): Fix
        defined-assignment check.

2011-01-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47421
        * trans-decl.c (gfc_trans_deferred_vars): Do not nullify
        scalar allocatable dummy arguments.

2011-01-22  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/38536
        * resolve.c (gfc_iso_c_func_interface):  For C_LOC,
        check for array sections followed by component references
        which are illegal.  Also check for coindexed arguments.

2011-01-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47399
        * primary.c (gfc_match_varspec): Relax gcc_assert to allow for
        PARAMETER TBP.

2011-01-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47394
        * error.c (gfc_error_now, gfc_fatal_error, gfc_error_check):
        Use defined instead of magic number exit status codes.
        * scanner.c (include_line, gfc_new_file): Ditto.

2011-01-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47377
        * expr.c (gfc_check_pointer_assign): Reject expr data-targets
        without pointer attribute.

2011-01-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47240
        * resolve.c (expression_rank): Fix rank of procedure poiner components.
        * trans-expr.c (gfc_conv_procedure_call): Take care of procedure
        pointer components as actual arguments.

2011-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/47331
        * gfortran.h (struct gfc_omp_saved_state): New type.
        (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New prototypes.
        * resolve.c (resolve_global_procedure): Call it around gfc_resolve
        call.
        * openmp.c (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New
        functions.

2011-01-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47327
        * invoke.texi (Options to request or suppress errors
        and warnings): Fix cross link.

2011-01-15  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi: Update Fortran 2003 Status section.

        PR fortran/47177
        * invoke.texi: Add missing "-E" to the -dM example.

2011-01-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47268
        * intrinsic.texi (get_command_argument, get_environment_variable):
        Mark arguments as optional in the Arguments section.

2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/47260
        * trans-decl.c (gfc_get_extern_function_decl,
        build_function_decl): Set TREE_PUBLIC/TREE_EXTERNAL before
        calling decl_attributes.

2011-01-13  Tobias Burnus  <burnus@net-b.de>
            Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/45848
        PR fortran/47204
        * gfortran.h (gfc_code): Move union ext's case_list into
        the struct block.
        * dump-parse-tree.c (show_code_node): Adapt by prefixing case_list
        by "block.".
        * frontend-passes.c (gfc_code_walker): Ditto.
        * match.c (gfc_match_goto, gfc_match_call, gfc_match_case,
        gfc_match_type_is, gfc_match_class_is): Ditto.
        * resolve.c (resolve_select, resolve_select_type): Ditto.
        * st.c (gfc_free_statement): Ditto.
        * trans-stmt.c (gfc_trans_integer_select, gfc_trans_logical_select,
        gfc_trans_character_select): Ditto.
        * parse.c (resolve_all_program_units): For error recovery, avoid
        segfault is proc_name is NULL.

2011-01-11  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/47051
        * trans-array.c (gfc_alloc_allocatable_for_assignment): Change
        to be standard compliant by testing for shape rather than size
        before skipping reallocation. Improve comments.

2011-01-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47224
        * resolve.c (resolve_actual_arglist): Remove unneeded and buggy piece
        of code.

2011-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/38536
        * resolve.c (is_scalar_expr_ptr):  For a substring reference,
        use gfc_dep_compare_expr to compare start and end expession.
        Add FIXME for using gfc_deb_compare_expr elsewhere.

2011-01-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/46313
        * class.c (get_unique_type_string): Make type name start with upper
        case letter.

2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/46405
        * invoke.texi:  Mention -ffree-line-length-none and
        -ffixed-line-length-none for preprocessing.

2011-01-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/46896
        * trans-expr.c (gfc_conv_procedure_call): With a non-copying
        procedure argument (eg TRANSPOSE) use a temporary if there is
        any chance of aliasing due to host or use association.
        (arrayfunc_assign_needs_temporary): Correct logic for function
        results and do not use a temporary for implicitly PURE
        variables.  Use a temporary for Cray pointees.
        * symbol.c (gfc_add_save): Explicit SAVE not compatible with
        implicit pureness of containing procedure.
        * decl.c (match_old_style_init, gfc_match_data): Where decl
        would fail in PURE procedure, set implicit_pure to zero.
        * gfortran.h : Add implicit_pure to structure symbol_attr and
        add prototype for function gfc_implicit_pure.
        * expr.c (gfc_check_pointer_assign, gfc_check_vardef_context):
        Where decl would fail in PURE procedure, reset implicit_pure.
        * io.c (match_vtag, gfc_match_open, gfc_match_close,
        gfc_match_print, gfc_match_inquire, gfc_match_wait): The same.
        * match.c (gfc_match_critical, gfc_match_stopcode,
        sync_statement, gfc_match_allocate, gfc_match_deallocate): The
        same.
        * parse.c (decode_omp_directive): The same.
        (parse_contained): If not PURE, set implicit pure attribute.
        * resolve.c (resolve_formal_arglist, resolve_structure_cons,
        resolve_function, resolve_ordinary_assign) : The same.
        (gfc_implicit_pure): New function.
        * module.c (mio_symbol_attribute): Introduce AB_IMPLICIT_PURE
        to ab_attribute enum and use it in this function.

2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/45777
        * symbol.c (gfc_symbols_could_alias):  Strip gfc_ prefix,
        make static and move in front of its only caller, to ...
        * trans-array.c (symbols_could_alias): ... here.
        Pass information about pointer and target status as
        arguments.  Allocatable arrays don't alias anything
        unless they have the POINTER attribute.
        (gfc_could_be_alias):  Keep track of pointer and target
        status when following references.  Also check if typespecs
        of components match those of other components or symbols.

2011-01-07  Tobias Burnus  <burnus@net-b.de>

        PR fortran/41580
        * class.c (gfc_build_class_symbol): Mark __vtab as attr.vtab.
        * intrinsic.c (add_functions): Use simplify functions for
        EXTENDS_TYPE_OF and SAME_TYPE_AS.
        * intrinsic.h (gfc_simplify_extends_type_of,
        gfc_simplify_same_type_as): New prototypes.
        * simplify.c (is_last_ref_vtab, gfc_simplify_extends_type_of,
        gfc_simplify_same_type_as): New functions.

2011-01-07  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47189
        PR fortran/47194
        * gfortran.h (gfc_lval_expr_from_sym): Moved prototype.
        * class.c (gfc_class_null_initializer): Initialize _vptr to declared
        type.
        * expr.c (gfc_lval_expr_from_sym): Moved here from symbol.c.
        * resolve.c (resolve_deallocate_expr): _data component will be added
        at translation stage.
        * symbol.c (gfc_lval_expr_from_sym): Moved to expr.c.
        * trans-stmt.c (gfc_trans_deallocate): Reset _vptr to declared type.

2011-01-06  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/33117
        PR fortran/46478
        * parse.c (parse_interface): Remove check for procedure types.
        * interface.c (check_interface0): Verify that procedures are
        either all SUBROUTINEs or all FUNCTIONs.

2011-01-05  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47180
        * trans-expr.c (gfc_trans_class_assign): Bugfix for r168524 (make sure
        'vtab' is initialized).

2011-01-05  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47180
        * trans-expr.c (gfc_trans_class_assign): For a polymorphic NULL pointer
        assignment, set the _vptr component to the declared type.

2011-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/46017
        * resolve.c (resolve_allocate_deallocate): Follow references to
        check for duplicate occurence of allocation/deallocation objects.

2011-01-05  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47024
        * trans-decl.c (gfc_trans_deferred_vars): Initialize the _vpr component
        of polymorphic allocatables according to their declared type.

2011-01-04  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/46448
        * class.c (gfc_find_derived_vtab): Set the module field for the copying
        routine to make sure it receives module name mangling.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

        * gfortranspec.c (lang_specific_driver): Update copyright notice
        dates.

2011-01-03  Janus Weil  <janus@gcc.gnu.org>

        * intrinsic.texi (LEADZ): Fix example.

2011-01-02  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/46408
        * class.c (gfc_find_derived_vtab): Use EXEC_INIT_ASSIGN for __copy_
        routine.

\f
Copyright (C) 2011 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.