arith.c (gfc_arith_init_1): Remove now unused r and c variables.

[gcc.git] / gcc / fortran / ChangeLog

2008-05-31  Steven G. Kargl  <kargls@comcast.net>

        * arith.c (gfc_arith_init_1): Remove now unused r and c variables.
        Cleanup numerical inquiry function initialization.
        (gfc_arith_done_1): Replace multiple mpfr_clear() invocations with
        a single mpfr_clears().
        (gfc_check_real_range): Re-arrange logic to eliminate multiple
        unnecessary branching and assignments.
        (gfc_arith_times): Use mpfr_clears() in preference to multiple
        mpfr_clear().
        (gfc_arith_divide): Ditto.
        (complex_reciprocal): Eliminate now unused variables a, re, im.
        Cleanup the mpfr abuse.  Use mpfr_clears() in preference to
        multiple mpfr_clear().
        (complex_pow): Fix comment whitespace.  Use mpfr_clears() in
        preference to multiple mpfr_clear().
        * simplify.c (gfc_simplify_and): Remove blank line.
        (gfc_simplify_atan2): Move error checking earlier to eliminate
        a now unnecessay gfc_free_expr().
        (gfc_simplify_bessel_j0): Remove unnecessary gfc_set_model_kind().
        (gfc_simplify_bessel_j1): Ditto.
        (gfc_simplify_bessel_jn): Ditto.
        (gfc_simplify_bessel_y0): Ditto.
        (gfc_simplify_bessel_y1): Ditto.
        (gfc_simplify_bessel_yn): Ditto. 
        (only_convert_cmplx_boz): Eliminate unnecessary duplicate code, and
        combine nested if statement rational expressions.
        (gfc_simplify_cos): Use mpfr_clears() in preference to multiple
        mpfr_clear().
        (gfc_simplify_exp): Ditto.
        (gfc_simplify_fraction): Move gfc_set_model_kind() to after the
        special case of 0.  Use mpfr_clears() in preference to multiple
        mpfr_clear().
        (gfc_simplify_gamma): Eliminate unnecessary gfc_set_model_kind().
        (gfc_simplify_lgamma): Ditto.
        (gfc_simplify_log10): Ditto.
        (gfc_simplify_log): Move gfc_set_model_kind () inside switch
        statement. Use mpfr_clears() in preference to multiple mpfr_clear().
        (gfc_simplify_mod):  Eliminate now unused variables quot, iquot,
        and term.  Simplify the mpfr magic.
        (gfc_simplify_modulo): Ditto.
        (gfc_simplify_nearest): Eliminate unnecessary gfc_set_model_kind().
        (gfc_simplify_scale): Use mpfr_clears() in preference to multiple
        mpfr_clear().
        (gfc_simplify_sin): Ditto
        (gfc_simplify_sqrt): Ditto
        (gfc_simplify_set_exponent):  Move gfc_set_model_kind() to after the
        special case of 0.  Use mpfr_clears() in preference to multiple
        mpfr_clear().

2008-05-29  Daniel Franke  <franke.daniel@gmail.com>

        PR target/36348
        * Make-lang.in (F95_OBJS): Added dependency on FORTRAN_TARGET_OBJS.

2008-05-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * scanner.c (load_line): Add first_char argument. Don't call ungetc.
        (gfc_read_orig_filename): Adjust call to load_line. Don't call
        ungetc.
        (load_file): Adjust call to load_line.

2008-05-28  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/36325
        PR fortran/35830
        * interface.c (gfc_procedure_use): Enable argument checking for
        external procedures with explicit interface.
        * symbol.c (check_conflict): Fix conflict checking for externals.
        (copy_formal_args): Fix handling of arrays.
        * resolve.c (resolve_specific_f0, resolve_specific_s0): Fix handling
        of intrinsics.
        * parse.c (parse_interface): Non-abstract INTERFACE statement implies
        EXTERNAL attribute.

2008-05-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36319
        * intrinsic.c (gfc_convert_chartype): Don't mark conversion
        function as pure.
        * trans-array.c (gfc_trans_array_ctor_element): Divide element
        size by the size of one character to obtain length.
        * iresolve.c (gfc_resolve_cshift): Call the _char4 variant when
        appropriate.
        (gfc_resolve_eoshift): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Minor beautification.
        (gfc_conv_intrinsic_fdate): Minor beautification.
        (gfc_conv_intrinsic_ttynam): Minor beautification.
        (gfc_conv_intrinsic_minmax_char): Allow all character kinds.
        (size_of_string_in_bytes): New function.
        (gfc_conv_intrinsic_size): Call size_of_string_in_bytes for
        character expressions.
        (gfc_conv_intrinsic_sizeof): Likewise.
        (gfc_conv_intrinsic_array_transfer): Likewise.
        (gfc_conv_intrinsic_trim): Allow all character kinds. Minor
        beautification.
        (gfc_conv_intrinsic_repeat): Fix comment typo.
        * simplify.c (gfc_convert_char_constant): Take care of conversion
        of array constructors.

2008-05-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/36316
        * trans-array.c (gfc_set_loop_bounds_from_array_spec):
        Add missing fold_convert.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

        * fortran/cpp.c (cpp_define_builtins): Remove usage of TARGET_* macros,
        added FIXME instead.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/18428
        * lang.opt (A, C, CC, D, E, H, P, U, cpp, d, fworking-directory,
        imultilib, iprefix, iquote, isysroot, isystem, nocpp, nostdinc,
        o, undef, v): New options.
        * options.c (gfc_init_options): Also initialize preprocessor
        options.
        (gfc_post_options): Also handle post-initialization of preprocessor
        options.
        (gfc_handle_option): Check if option is a preprocessor option.
        If yes, let gfc_cpp_handle_option() handle the option.
        * lang-specs.h: Reorganized to handle new options.
        * scanner.c (gfc_new_file): Read temporary file instead of
        input source if preprocessing is enabled.
        * f95-lang.c (gfc_init): Initialize preprocessor.
        (gfc_finish): Clean up preprocessor.
        * cpp.c: New.
        * cpp.h: New.
        * Make-lang.in: Added new objects and dependencies.
        * gfortran.texi: Updated section "Preprocessing and
        conditional compilation".
        * invoke.texi: Added new section "Preprocessing Options",
        listed and documented the preprocessing options handled
        by gfortran.

2008-05-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/32600
        * trans-expr.c (gfc_conv_function_call): Remove library
        call for c_f_pointer with scalar Fortran pointers and for
        c_f_procpointer.

2008-05-21  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36257
        * iresolve.c (check_charlen_present): Don't force the rank to 1.

2008-05-19  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36265
        * trans-expr.c (gfc_conv_string_tmp): Pick the correct type for
        the temporary variable.

2008-05-19  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * simplify.c (gfc_simplify_dble, gfc_simplify_real): Initialize
        result variable to avoid warnings.

2008-05-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * intrinsic.c (char_conversions, ncharconv): New static variables.
        (find_char_conv): New function.
        (add_functions): Add simplification functions for ADJUSTL and
        ADJUSTR. Don't check the kind of their argument. Add checking for
        LGE, LLE, LGT and LLT.
        (add_subroutines): Fix argument type for SLEEP. Fix argument name
        for SYSTEM.
        (add_char_conversions): New function.
        (gfc_intrinsic_init_1): Call add_char_conversions.
        (gfc_intrinsic_done_1): Free char_conversions.
        (check_arglist): Use kind == 0 as a signal that we don't want
        the kind value to be checked.
        (do_simplify): Also simplify character functions.
        (gfc_convert_chartype): New function
        * trans-array.c (gfc_trans_array_ctor_element): Don't force the
        use of default character type.
        (gfc_trans_array_constructor_value): Likewise.
        (get_array_ctor_var_strlen): Use integer kind to build an integer
        instead of a character kind!
        (gfc_build_constant_array_constructor): Don't force the use of
        default character type.
        (gfc_conv_loop_setup): Likewise.
        * trans-expr.c (gfc_conv_string_tmp): Don't force the use of
        default character type. Allocate enough memory for wide strings.
        (gfc_conv_concat_op): Make sure operand kind are the same.
        (string_to_single_character): Remove gfc_ prefix. Reindent.
        Don't force the use of default character type.
        (gfc_conv_scalar_char_value): Likewise.
        (gfc_build_compare_string): Call string_to_single_character.
        (fill_with_spaces): New function
        (gfc_trans_string_copy): Add kind arguments. Use them to deal
        with wide character kinds.
        (gfc_conv_statement_function): Whitespace fix. Call
        gfc_trans_string_copy with new kind arguments.
        (gfc_conv_substring_expr): Call gfc_build_wide_string_const
        instead of using gfc_widechar_to_char.
        (gfc_conv_string_parameter): Don't force the use of default
        character type.
        (gfc_trans_scalar_assign): Pass kind args to gfc_trans_string_copy.
        * intrinsic.h (gfc_check_lge_lgt_lle_llt, gfc_convert_char_constant,
        gfc_resolve_adjustl, gfc_resolve_adjustr): New prototypes.
        * decl.c (gfc_set_constant_character_len): Don't assert the
        existence of a single character kind.
        * trans-array.h (gfc_trans_string_copy): New prototype.
        * gfortran.h (gfc_check_character_range, gfc_convert_chartype):
        New prototypes.
        * error.c (print_wide_char_into_buffer): New function lifting
        code from gfc_print_wide_char. Fix order to output '\x??' instead
        of 'x\??'.
        (gfc_print_wide_char): Call print_wide_char_into_buffer.
        (show_locus): Call print_wide_char_into_buffer with buffer local
        to this function.
        * trans-const.c (gfc_build_wide_string_const): New function.
        (gfc_conv_string_init): Deal with wide characters strings
        constructors.
        (gfc_conv_constant_to_tree): Call gfc_build_wide_string_const.
        * trans-stmt.c (gfc_trans_label_assign): Likewise.
        (gfc_trans_character_select): Deal with wide strings.
        * expr.c (gfc_check_assign): Allow conversion between character
        kinds on assignment.
        * trans-const.h (gfc_build_wide_string_const): New prototype.
        * trans-types.c (gfc_get_character_type_len_for_eltype,
        gfc_get_character_type_len): Create too variants of the old
        gfc_get_character_type_len, one getting kind argument and the
        other one directly taking a type tree.
        * trans.h (gfor_fndecl_select_string_char4,
        gfor_fndecl_convert_char1_to_char4,
        gfor_fndecl_convert_char4_to_char1): New prototypes.
        * trans-types.h (gfc_get_character_type_len_for_eltype): New
        prototype.
        * resolve.c (resolve_operator): Exit early when kind mismatches
        are detected, because that makes us issue an error message later.
        (validate_case_label_expr): Fix wording of error message.
        * iresolve.c (gfc_resolve_adjustl, gfc_resolve_adjustr): New
        functions.
        (gfc_resolve_pack): Call _char4 variants of library function
        when dealing with wide characters.
        (gfc_resolve_reshape): Likewise.
        (gfc_resolve_spread): Likewise.
        (gfc_resolve_transpose): Likewise.
        (gfc_resolve_unpack): Likewise.
        * target-memory.c (size_character): Take character kind bit size
        correctly into account (not that it changes anything for now, but
        it's more generic).
        (gfc_encode_character): Added gfc_ prefix. Encoding each
        character of a string by calling native_encode_expr for the
        corresponding unsigned integer.
        (gfc_target_encode_expr): Add gfc_ prefix to encode_character.
        * trans-decl.c (gfc_build_intrinsic_function_decls): Build
        gfor_fndecl_select_string_char4, gfor_fndecl_convert_char1_to_char4
        and gfor_fndecl_convert_char4_to_char1.
        * target-memory.h (gfc_encode_character): New prototype.
        * arith.c (gfc_check_character_range): New function.
        (eval_intrinsic): Allow non-default character kinds.
        * check.c (gfc_check_access_func): Only allow default
        character kind arguments.
        (gfc_check_chdir): Likewise.
        (gfc_check_chdir_sub): Likewise.
        (gfc_check_chmod): Likewise.
        (gfc_check_chmod_sub): Likewise.
        (gfc_check_lge_lgt_lle_llt): New function.
        (gfc_check_link): Likewise.
        (gfc_check_link_sub): Likewise.
        (gfc_check_symlnk): Likewise.
        (gfc_check_symlnk_sub): Likewise.
        (gfc_check_rename): Likewise.
        (gfc_check_rename_sub): Likewise.
        (gfc_check_fgetputc_sub): Likewise.
        (gfc_check_fgetput_sub): Likewise.
        (gfc_check_stat): Likewise.
        (gfc_check_stat_sub): Likewise.
        (gfc_check_date_and_time): Likewise.
        (gfc_check_ctime_sub): Likewise.
        (gfc_check_fdate_sub): Likewise.
        (gfc_check_gerror): Likewise.
        (gfc_check_getcwd_sub): Likewise.
        (gfc_check_getarg): Likewise.
        (gfc_check_getlog): Likewise.
        (gfc_check_hostnm): Likewise.
        (gfc_check_hostnm_sub): Likewise.
        (gfc_check_ttynam_sub): Likewise.
        (gfc_check_perror): Likewise.
        (gfc_check_unlink): Likewise.
        (gfc_check_unlink_sub): Likewise.
        (gfc_check_system_sub): Likewise.
        * primary.c (got_delim): Perform correct character range checking
        for all kinds.
        * trans-intrinsic.c (gfc_conv_intrinsic_conversion): Generate
        calls to library functions convert_char4_to_char1 and
        convert_char1_to_char4 for character conversions.
        (gfc_conv_intrinsic_char): Allow all character kings.
        (gfc_conv_intrinsic_strcmp): Fix whitespace.
        (gfc_conv_intrinsic_repeat): Take care of all character kinds.
        * intrinsic.texi: For all GNU intrinsics accepting character
        arguments, mention that they're restricted to the default kind.
        * simplify.c (simplify_achar_char): New function.
        (gfc_simplify_achar, gfc_simplify_char): Call simplify_achar_char.
        gfc_simplify_ichar): Don't error out for wide characters.
        (gfc_convert_char_constant): New function.

2008-05-18  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/36251
        * symbol.c (check_conflict): Issue errors for abuse of PUBLIC, PRIVATE,
        and BIND(C).
        * resolve.c (gfc_verify_binding_labels): Fix NULL pointer dereference.

2008-05-17  Tobias Burnus  <burnus@net-b.de>

        * intrinsic.texi: Correct description of GET_COMMAND_ARGUMENT
        and GET_ENVIRONMENT_VARIABLE; fix keyword= name for GETENV,
        GETLOG, GMTIME, HOSTNM, IRAND, ITIME, KILL.
        Move LOG_GAMMA after LOG10.

2008-05-17  Tobias Burnus  <burnus@net-b.de>

        * intrinsic.c (add_functions): Change FLUSH(C) to FLUSH(UNIT).
        * intrinsic.texi: Change INTEGER(*) to INTEGER; fix keyword= name for
        ABS, ADJUSTL, AINT, ALLOCATED, ANINT, ASSOCIATED, C_ASSOCIATED,
        CEILING, DBLE, DFLOAT, DOT_PRODUCT, DREAL, FLOAT, FLOOR, GET_COMMAND.

2008-05-16  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35756
        PR fortran/35759
        * trans-stmt.c (gfc_trans_where): Tighten up the dependency
        check for calling gfc_trans_where_3.

        PR fortran/35743
        * trans-stmt.c (gfc_trans_where_2): Set the mask size to zero
        if it is calculated to be negative.

        PR fortran/35745
        * trans-stmt.c (gfc_trans_where_3, gfc_trans_where_assign): Set
        ss->where for scalar right hand sides.
        * trans-array.c (gfc_add_loop_ss_code): If ss->where is set do
        not evaluate scalars outside the loop.  Clean up whitespace.
        * trans.h : Add a bitfield 'where' to gfc_ss.

2008-05-16  Tobias Burnus  <burnus@net-b.de>

        * libgfortran.h: Increase GFC_MAX_DIMENSIONS to 15.
        * array.c (gfc_match_array_spec): Error with -std=f2003 if rank > 7.

2008-04-16  Daniel Kraft  <d@domob.eu>

        PR fortran/27997
        * gfortran.h:  Added field "length_from_typespec" to gfc_charlength.
        * aray.c (gfc_match_array_constructor):  Added code to parse typespec.
        (check_element_type, check_constructor_type, gfc_check_constructor_type):
        Extended to support explicit typespec on constructor.
        (gfc_resolve_character_array_constructor):  Pad strings correctly for
        explicit, constant character length.
        * trans-array.c:  New static global variable "typespec_chararray_ctor"
        (gfc_trans_array_constructor):  New code to support explicit but dynamic
        character lengths.

2008-05-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/34325
        * decl.c (match_attr_spec): Check for matching pairs of parenthesis.
        * expr.c (gfc_specification_expr): Supplement the error message with the
        type that was found.
        * resolve.c (gfc_resolve_index): Likewise.
        * match.c (gfc_match_parens): Clarify error message with "at or before".
        (gfc_match_do): Check for matching pairs of parenthesis.

2008-05-16  Tobias Burnus  <burnus@net-b.de

        * intrinsic.texi: Write Fortran 77/90/95 instead of F77/90/95;
        add missing KIND argument to ACHAR and NINT; and state that
        the KIND argument is a F2003 extension for ACHAR, COUNT, IACHAR,
        ICHAR, INDEX, LBOUND, LEN, LEN_TRIM, SCAN, SIZE, UBOUND, VERIFY.

2008-05-16  Daniel Kraft  <d@domob.eu>

        * primary.c:  New private structure "gfc_structure_ctor_component".
        (gfc_free_structure_ctor_component):  New helper function.
        (gfc_match_structure_constructor):  Extended largely to support named
        arguments and default initialization for structure constructors.

2008-05-15  Steven G. Kargl  <kargls@comcast.net>

        * simplify.c (gfc_simplify_dble, gfc_simplify_float,
        simplify_bound, gfc_simplify_nearest, gfc_simplify_real): Plug
        possible memory leaks.
        (gfc_simplify_reshape): Plug possible memory leaks and dereferencing
        of NULL pointers.

2008-05-15  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/36239
        * simplify.c (gfc_simplify_int, gfc_simplify_intconv): Replaced hand
        rolled integer conversion with gfc_int2int, gfc_real2int, and
        gfc_complex2int.
        (gfc_simplify_intconv): Renamed to simplify_intconv.
        
2008-05-15  Steven G. Kargl,   <kargl@comcast.net>
        * gfortran.dg/and_or_xor.f90: New test

        * fortran/simplify.c (gfc_simplify_and, gfc_simplify_or,
        gfc_simplify_xor): Don't range check logical results.

2008-05-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * trans-expr.c (gfc_conv_concat_op): Take care of nondefault
        character kinds.
        (gfc_build_compare_string): Add kind argument and use it.
        (gfc_conv_statement_function): Fix indentation.
        * gfortran.h (gfc_character_info): New structure.
        (gfc_character_kinds): New array.
        * trans-types.c (gfc_character_kinds, gfc_character_types,
        gfc_pcharacter_types): New array.
        (gfc_init_kinds): Fill character kinds array.
        (validate_character): Take care of nondefault character kinds.
        (gfc_build_uint_type): New function.
        (gfc_init_types): Take care of nondefault character kinds.
        (gfc_get_char_type, gfc_get_pchar_type): New functions.
        (gfc_get_character_type_len): Use gfc_get_char_type.
        * trans.h (gfc_build_compare_string): Adjust prototype.
        (gfor_fndecl_compare_string_char4, gfor_fndecl_concat_string_char4,
        gfor_fndecl_string_len_trim_char4, gfor_fndecl_string_index_char4,
        gfor_fndecl_string_scan_char4, gfor_fndecl_string_verify_char4,
        gfor_fndecl_string_trim_char4, gfor_fndecl_string_minmax_char4,
        gfor_fndecl_adjustl_char4, gfor_fndecl_adjustr_char4): New
        prototypes.
        * trans-types.h (gfc_get_char_type, gfc_get_pchar_type): New
        prototypes.
        * trans-decl.c (gfor_fndecl_compare_string_char4,
        gfor_fndecl_string_len_trim_char4, gfor_fndecl_string_index_char4,
        gfor_fndecl_string_scan_char4, gfor_fndecl_string_verify_char4,
        gfor_fndecl_string_trim_char4, gfor_fndecl_string_minmax_char4,
        gfor_fndecl_adjustl_char4, gfor_fndecl_adjustr_char4,
        gfor_fndecl_concat_string_char4): New function decls.
        (gfc_build_intrinsic_function_decls): Define new *_char4 function
        decls.
        * trans-intrinsic.c (gfc_conv_intrinsic_minmax_char,
        gfc_conv_intrinsic_len_trim, gfc_conv_intrinsic_ichar,
        gfc_conv_intrinsic_strcmp, gfc_conv_intrinsic_trim,
        gfc_conv_intrinsic_function): Deal with nondefault character kinds.

2008-05-15  Sa Liu  <saliu@de.ibm.com>

        * iso-c-binding.def: Add standard parameter to macro NAMED_INTCST.
        All existing NAMED_INTCST definitions has standard GFC_STD_F2003,
        c_int128_t, c_int_least128_t and c_int_fast128_t are added as
        GNU extensions.
        * iso-fortran-evn.def: Add standard parameter GFC_STD_F2003
        to macro NAMED_INTCST.
        * symbol.c (std_for_isocbinding_symbol): New helper function to 
        return the standard that supports this isocbinding symbol.
        (generate_isocbinding_symbol): Do not generate GNU extension symbols
        if std=f2003. Add new parameter to NAMED_INTCST.
        * module.c (use_iso_fortran_env_module): Add new parameter to
        NAMED_INTCST and new field standard to struct intmod_sym.
        * gfortran.h: Add new parameter to NAMED_INTCST.
        * trans-types.c (init_c_interop_kinds): Add new parameter to 
        NAMED_INTCST.
        * intrinsic.texi: Documented new types C_INT128_T, C_INT_LEASE128_T
        and C_INT_FAST128_T.

2008-05-14  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36059
        * trans-decl.c (gfc_build_dummy_array_decl): Don't repack
        arrays that have the TARGET attribute.

2008-05-14  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36186
        * simplify.c (only_convert_cmplx_boz): New function.
        (gfc_simplify_cmplx, gfc_simplify_complex, gfc_simplify_dcmplx):
        Call only_convert_cmplx_boz.

2008-05-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/36233
        * interface.c (compare_actual_formal): Do not check sizes if the
        actual is BT_PROCEDURE.

2008-05-14  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/35682
        * trans-array.c (gfc_conv_ss_startstride): Any negative size is
        the same as zero size.
        (gfc_conv_loop_setup): Fix size calculation.

2008-05-14  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/35685
        * trans-intrinsic.c (gfc_conv_intrinsic_bound): Correctly
        handle zero-size sections.

2008-05-14  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36215
        * scanner.c (preprocessor_line): Allocate enough memory for a
        wide string.

2008-05-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36176
        * target-memory.c (gfc_target_expr_size): Correctly treat
        substrings.
        (gfc_target_encode_expr): Likewise.
        (gfc_interpret_complex): Whitespace change.

2008-05-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/35719
        * trans.c (gfc_call_malloc): If size equals zero, allocate one
        byte; don't return a null pointer.

2008-05-10  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36197
        * module.c (quote_string): Fix sprintf format.

2008-05-09  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36162
        * module.c (quote_string, unquote_string,
        mio_allocated_wide_string): New functions.
        (mio_expr): Call mio_allocated_wide_string where needed.

2008-05-07 Kenneth Zadeck <zadeck@naturalbridge.com>

         * trans-decl.c (gfc_get_extern_function_decl, build_function_decl):
         Rename DECL_IS_PURE to DECL_PURE_P.

2008-05-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * arith.c: (gfc_arith_concat, gfc_compare_string,
        gfc_compare_with_Cstring, hollerith2representation,
        gfc_hollerith2int, gfc_hollerith2real, gfc_hollerith2complex,
        gfc_hollerith2character, gfc_hollerith2logical): Use wide
        characters for character constants.
        * data.c (create_character_intializer): Likewise.
        * decl.c (gfc_set_constant_character_len): Likewise.
        * dump-parse-tree.c (show_char_const): Correctly dump wide
        character strings.
        error.c (print_wide_char): Rename into gfc_print_wide_char.
        (show_locus): Adapt to new prototype of gfc_print_wide_char.
        expr.c (free_expr0): Representation is now disjunct from
        character string value, so we always free it.
        (gfc_copy_expr, find_substring_ref, gfc_simplify_expr): Adapt
        to wide character strings.
        * gfortran.h (gfc_expr): Make value.character.string a wide string.
        (gfc_wide_toupper, gfc_wide_strncasecmp, gfc_wide_memset,
        gfc_widechar_to_char, gfc_char_to_widechar): New prototypes.
        (gfc_get_wide_string): New macro.
        (gfc_print_wide_char): New prototype.
        * io.c (format_string): Make a wide string.
        (next_char, gfc_match_format, compare_to_allowed_values, 
        gfc_match_open): Deal with wide strings.
        * module.c (mio_expr): Convert between wide strings and ASCII ones.
        * primary.c (match_hollerith_constant, match_charkind_name): 
        Handle wide strings.
        * resolve.c (build_default_init_expr): Likewise.
        * scanner.c (gfc_wide_toupper, gfc_wide_memset,
        gfc_char_to_widechar): New functions.
        (wide_strchr, gfc_widechar_to_char, gfc_wide_strncasecmp):
        Changes in prototypes.
        (gfc_define_undef_line, load_line, preprocessor_line,
        include_line, load_file, gfc_read_orig_filename): Handle wide
        strings.
        * simplify.c (gfc_simplify_achar, gfc_simplify_adjustl,
        gfc_simplify_adjustr, gfc_simplify_char, gfc_simplify_iachar,
        gfc_simplify_ichar, simplify_min_max, gfc_simplify_new_line,
        gfc_simplify_repeat): Handle wide strings.
        (wide_strspn, wide_strcspn): New helper functions.
        (gfc_simplify_scan, gfc_simplify_trim, gfc_simplify_verify):
        Handle wide strings.
        * symbol.c (generate_isocbinding_symbol): Likewise.
        * target-memory.c (size_character, gfc_target_expr_size,
        encode_character, gfc_target_encode_expr, gfc_interpret_character,
        gfc_target_interpret_expr): Handle wide strings.
        * trans-const.c (gfc_conv_string_init): Lower wide strings to
        narrow ones.
        (gfc_conv_constant_to_tree): Likewise.
        * trans-expr.c (gfc_conv_substring_expr): Handle wide strings.
        * trans-io.c (gfc_new_nml_name_expr): Likewise.
        * trans-stmt.c (gfc_trans_label_assign): Likewise.

2008-05-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * simplify.c (gfc_simplify_bessel_j0,gfc_simplify_bessel_j1,
        gfc_simplify_bessel_jn,gfc_simplify_bessel_y0,
        gfc_simplify_bessel_y1,gfc_simplify_bessel_yn): Mark arguments
        with ATTRIBUTE_UNUSED.

2008-05-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * check.c (gfc_check_sizeof): Switch to ATTRIBUTE_UNUSED.
        * simplify.c (gfc_simplify_lgamma): Likewise.

2008-05-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * openmp.c (gfc_match_omp_eos): Use gfc_next_ascii_char and
        gfc_peek_ascii_char.
        * decl.c (gfc_match_kind_spec, gfc_match_type_spec,
        gfc_match_implicit_none, match_implicit_range, gfc_match_implicit,
        match_string_p, match_attr_spec, gfc_match_suffix,
        match_procedure_decl, gfc_match_entry, gfc_match_subroutine):
        Likewise.
        * gfortran.h (gfc_char_t): New type.
        (gfc_linebuf): Make line member a gfc_char_t.
        (locus): Make nextc member a gfc_char_t.
        (gfc_wide_is_printable, gfc_wide_is_digit, gfc_wide_fits_in_byte,
        gfc_wide_tolower, gfc_wide_strlen, gfc_next_ascii_char,
        gfc_peek_ascii_char, gfc_check_digit): New prototypes.
        * error.c (print_wide_char): New function.
        (show_locus): Use print_wide_char and gfc_wide_strlen.
        * io.c (next_char): Use gfc_char_t type.
        (match_io): Use gfc_peek_ascii_char and gfc_next_ascii_char.
        * match.c (gfc_match_parens, gfc_match_eos,
        gfc_match_small_literal_int, gfc_match_name, gfc_match_name_C,
        gfc_match_intrinsic_op, gfc_match_char,  gfc_match_return,
        gfc_match_common): Likewise.
        * match.h (gfc_match_special_char): Change prototype.
        * parse.c (decode_specification_statement, decode_statement,
        decode_omp_directive, next_free, next_fixed): Use
        gfc_peek_ascii_char and gfc_next_ascii_char.
        * primary.c (gfc_check_digit): Change name.
        (match_digits, match_hollerith_constant, match_boz_constant,
        match_real_constant, next_string_char, match_charkind_name,
        match_string_constant, match_logical_constant_string,
        match_complex_constant, match_actual_arg, match_varspec,
        gfc_match_rvalue, match_variable): Use gfc_peek_ascii_char and
        gfc_next_ascii_char.
        * scanner.c (gfc_wide_fits_in_byte, wide_is_ascii,
        gfc_wide_is_printable, gfc_wide_tolower, gfc_wide_is_digit,
        gfc_wide_is_digit, wide_atoi, gfc_wide_strlen, wide_strcpy,
        wide_strchr, widechar_to_char, wide_strncmp, wide_strncasecmp,
        gfc_next_ascii_char, gfc_peek_ascii_char):
        New functions.
        (next_char, gfc_define_undef_line, skip_free_comments,
        gfc_next_char_literal, gfc_next_char, gfc_peek_char,
        gfc_error_recovery, load_line, preprocessor_line, include_line,
        load_file, gfc_read_orig_filename): Use gfc_char_t for source
        characters and the {gfc_,}wide_* functions to manipulate wide
        strings.

2008-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/36117
        * intrinsic.c (add_functions): Call gfc_simplify_bessel_*.
        * intrinsic.h: Add prototypes for gfc_simplify_bessel_*.
        * simplify.c (gfc_simplify_bessel_j0,gfc_simplify_bessel_j1,
        gfc_simplify_bessel_jn,gfc_simplify_bessel_y0,
        gfc_simplify_bessel_y1,gfc_simplify_bessel_yn): New.

2008-05-03  Janus Weil  <jaydub66@gmail.com>

        * misc.c (gfc_clear_ts): Set interface to NULL.

2008-05-03  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/33268
        * gfortran.h: Add extra_comma pointer to gfc_dt structure. Add iokind to
        gfc_expr value union. Add io_kind enum to here from io.c.
        * io.c (gfc_free_dt): Free extra_comma.
        (gfc_resolve_dt): If an extra comma was encountered and io_unit is type
        BT_CHARACTER, resolve to format_expr and set default unit.  Error if
        io_kind is M_WRITE. (match_io):  Match the extra comma and set new
        pointer, extra_comma.

2008-05-01  Bud Davis  <bdavis9659@sbcglobal.net>

        PR35940/Fortran
        * simplify.c (gfc_simplify_index): Check for direction argument 
        being a constant.

2008-05-01  Janus Weil  <jaydub66@gmail.com>

        * gfortran.h (struct gfc_symbol): Moving "interface" member to
        gfc_typespec (plus fixing a small docu error).
        * interface.c (gfc_procedure_use): Ditto.
        * decl.c (match_procedure_decl): Ditto.
        * resolve.c (resolve_specific_f0,
        resolve_specific_f0, resolve_symbol): Ditto.

2008-04-30  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * intrinsic.c (add_functions): Add SELECTED_CHAR_KIND intrinsic.
        * intrinsic.h (gfc_check_selected_char_kind,
        gfc_simplify_selected_char_kind): New prototypes.
        * gfortran.h (gfc_isym_id): Add GFC_ISYM_SC_KIND.
        * trans.h (gfor_fndecl_sc_kind): New function decl.
        * trans-decl.c (gfor_fndecl_sc_kind): Build new decl.
        * arith.c (gfc_compare_with_Cstring): New function.
        * arith.h (gfc_compare_with_Cstring): New prototype.
        * check.c (gfc_check_selected_char_kind): New function.
        * primary.c (match_string_constant, match_kind_param): Mark
        symbols used as literal constant kind param as referenced.
        * trans-intrinsic.c (gfc_conv_intrinsic_sc_kind): New function.
        (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_sc_kind.
        * intrinsic.texi (SELECTED_CHAR_KIND): Document new intrinsic.
        * simplify.c (gfc_simplify_selected_char_kind): New function.

2008-04-28  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35997
        * module.c (find_symbol): Do not return a result for a symbol
        that has been renamed in another module.

2008-04-26  George Helffrich <george@gcc.gnu.org>

        PR fortran/35892
        PR fortran/35154
        * trans-common.c (create_common):  Add decl to function
        chain (if inside one) to preserve identifier scope in debug output.

2008-04-25  Jan Hubicka  <jh@suse.cz>

        * trans-decl.c (trans_function_start): Update.

2008-04-25  Tobias Burnus  <burnus@net-b.de>
            Daniel Franke <franke.daniel@gmail.com>

        PR fortran/35156
        * gfortranspec.c (lang_specific_driver): Deprecate
        -M option; fix ICE when "-M" is last argument and
        make "-M<dir>" work.
        * options.c (gfc_handle_module_path_options): 
        Use -J instead of -M in error messages.
        * invoke.texi: Mark -M as depecated.

2008-04-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
            Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/35994
        * trans-instrinsic.c (gfc_conv_intrinsic_minmaxloc): Correctly adjust
        loop counter offset.

2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

        * trans-expr.c (gfc_conv_structure): Don't set TREE_INVARIANT.
        * trans-array.c (gfc_build_null_descriptor): Don't set TREE_INVARIANT.
        (gfc_trans_array_constructor_value): Don't set TREE_INVARIANT.
        (gfc_build_constant_array_constructor): Don't set TREE_INVARIANT.
        (gfc_conv_array_initializer): Don't set TREE_INVARIANT.
        * trans-common.c (get_init_field): Don't set TREE_INVARIANT.
        (create_common): Don't set TREE_INVARIANT.
        * trans-stmt.c (gfc_trans_character_select): Don't set TREE_INVARIANT.
        * trans-decl.c (gfc_generate_function_code): Don't set TREE_INVARIANT.

2008-04-21  Steve Ellcey  <sje@cup.hp.com>

        * f95-lang.c (gfc_init_decl_processing): use ptr_mode instead of Pmode.

2008-04-21  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35019
        * gfortranspec.c (lookup_option): Properly handle separated arguments
        in -J option, print missing argument message when necessary.

2008-04-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/35882
        * scanner.c (skip_fixed_comments): Update continue_line when comment is
        detected. (gfc_next_char_literal): Likewise.

2008-04-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35944
        PR fortran/35946
        PR fortran/35947
        * trans_array.c (gfc_trans_array_constructor): Temporarily
        realign loop, if loop->from is not zero, before creating
        the temporary array and provide an offset.

        PR fortran/35959
        * trans-decl.c (gfc_init_default_dt): Add gfc_ prefix to name
        and allow for NULL body.  Change all references from
        init_default_dt to gfc_init_default_dt.
        * trans.h : Add prototype for gfc_init_default_dt.
        * trans-array.c (gfc_trans_deferred_vars): After nullification
        call gfc_init_default_dt for derived types with allocatable
        components.

2008-04-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/35892
        * trans-common.c (create_common): Revert patch causing regression.

2008-04-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/35724
        * iresolve.c (gfc_resolve_eoshift): Check for NULL symtree in test for
        optional argument attribute.
        
2008-04-16  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35932
        * trans-intrinsic.c (gfc_conv_intrinsic_char): Even though KIND
        is not used, the argument must be converted.

2008-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/35662
        * f95-lang.c (gfc_init_builtin_functions): Make sure
        BUILT_IN_SINCOS{,F,L} types aren't varargs.

2008-04-15  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35864
        * expr.c (scalarize_intrinsic_call): Reorder identification of
        array argument so that if one is not found a segfault does not
        occur.  Return FAILURE if all scalar arguments.

2008-04-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/35882
        * options.c (gfc_init_options): Set the default maximum continuation
        lines to 255 for both free and fixed form source for warnings.
        (gfc_handle_option): Set -std=f95 fixed form max continuations to 19 and
        the -std=f95 free form max continuations to 39 for warnings.
        * scanner.c (gfc_next_char_literal): Adjust the current_line number only
        if it is less than the current locus.

2008-04-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/25829 28655
        * io.c (io_tag): Add new tags for decimal, encoding, asynchronous,
        round, sign, and id. (match_open_element): Match new tags.
        (gfc_resolve_open): Resolve new tags. (gfc_match_open): Enable encoding
        for DEFAULT only. Update error messages. (match_dt_element): Fix match
        tag for asynchronous. Update error messages. (gfc_free_inquire): Free
        new expressions. (match_inquire_element): Match new tags.
        (gfc_match_inquire): Add constraint for ID and PENDING.
        (gfc_resolve_inquire): Resolve new tags.
        * trans-io.c (gfc_trans_inquire): Clean up whitespace and fix setting of
        mask for ID parameter.
        * ioparm.def: Fix order of parameters for pending, round, and sign.
        NOTE: These must line up with the definitions in libgfortran/io/io.h. or
        things don't work.

2008-04-06  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35780
        * expr.c (scalarize_intrinsic_call): Identify which argument is
        an array and use that as the template.
        (check_init_expr): Remove tests that first argument is an array
        in the call to scalarize_intrinsic_call.

2008-04-06  Tobias Schlüter  <tobi@gcc.gnu.org>

        PR fortran/35832
        * io.c (io_tag): Add field 'value'.  Split 'spec' field in
        existing io_tags.
        (match_etag, match_vtag, match_ltag): Split parsing in two steps
        to give better error messages.

2008-04-06  Tobias Burnus  <burnus@net-b.de>

        * io.c (check_io_constraints): Add constrains. ID= requires
        asynchronous= and asynchronous= must be init expression.

2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * f95-lang.c: Set LANG_HOOKS_NAME to "GNU Fortran".

2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * dump-parse-tree.c: Use fprintf, fputs and fputc instead of
        gfc_status and gfc_status_char. Remove gfc_ prefix of the gfc_show_*
        functions and make them static. Add new gfc_dump_parse_tree
        function.
        * gfortran.h (gfc_option_t): Rename verbose into dump_parse_tree.
        (gfc_status, gfc_status_char): Delete prototypes.
        * error.c (gfc_status, gfc_status_char): Remove functions.
        * scanner.c (gfc_new_file): Use printf instead of gfc_status.
        * options.c (gfc_init_options): Rename verbose into dump_parse_tree.
        (gfc_handle_module_path_options): Use gfc_fatal_error instead of
        gfc_status and exit.
        (gfc_handle_option): Rename verbose into dump_parse_tree.
        * parse.c (gfc_parse_file): Use gfc_dump_parse_tree.

2008-04-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
            Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/25829 28655
        * dump-parse-tree.c (gfc_show_code_node): Show new I/O parameters.
        * gfortran.h (gfc_statement): Add ST_WAIT enumerator.
        (gfc_open): Add pointers for decimal, encoding, round, sign,
        asynchronous. (gfc_inquire): Add pointers for asynchronous, decimal,
        encoding, pending, round, sign, size, id.
        (gfc_wait): New typedef struct. (gfc_dt): Add pointers for id, pos,
        asynchronous, blank, decimal, delim, pad, round, sign.
        (gfc_exec_op): Add EXEC_WAIT enumerator. (gfc_code): Add pointer for
        wait. (gfc_free_wait), (gfc_resolve_wait): New function prototypes.
        * trans-stmt.h (gfc_trans_wait): New function prototype.
        * trans.c (gfc_trans_code): Add case for EXEC_WAIT.
        * io.c (io_tag): Add new tags for DECIMAL, ENCODING, ROUND, SIGN,
        ASYCHRONOUS, ID. (match_open_element): Add matchers for new tags.
        (gfc_free_open): Free new pointers. (gfc_resolve_open): Resolve new
        tags. (gfc_resolve_open): Remove comment around check for allowed
        values and ASYNCHRONOUS, update it.  Likewise for DECIMAL, ENCODING,
        ROUND, and SIGN. (match_dt_element): Add matching for new tags.
        (gfc_free_wait): New function. (gfc_resolve_wait): New function.
        (match_wait_element): New function. (gfc_match_wait): New function.
        * resolve.c (gfc_resolve_blocks): Add case for EXEC_WAIT.
        (resolve_code): Add case for EXEC_WAIT. 
        * st.c (gfc_free_statement): Add case for EXEC_WAIT.
        * trans-io.c (ioparam_type): Add IOPARM_ptype_wait. (gfc_st_parameter):
        Add "wait" entry. (iocall): Add IOCALL_WAIT enumerator.
        (gfc_build_io_library_fndecls): Add function declaration for st_wait.
        (gfc_trans_open): Add mask bits for new I/O tags.
        (gfc_trans_inquire): Add mask bits for new I/O tags.
        (gfc_trans_wait): New translation function.
        (build_dt): Add mask bits for new I/O tags.
        * match.c (gfc_match_if) Add matcher for "wait".
        * match.h (gfc_match_wait): Prototype for new function.
        * ioparm.def: Add new I/O parameter definitions.
        * parse.c (decode_statement): Add match for "wait" statement.
        (next_statement): Add case for ST_WAIT. (gfc_ascii_statement): Same.

2008-04-03  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/35786
        * openmp.c (resolve_omp_clauses): Diagnose if a clause symbol
        isn't a variable.

2008-04-03  Tom Tromey  <tromey@redhat.com>

        * Make-lang.in (fortran_OBJS): New variable.

2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

        * f95-lang.c (insert_block): Kill.

2008-04-01  George Helffrich <george@gcc.gnu.org>

        PR fortran/35154, fortran/23057
        * trans-common.c (create_common):  Add decl to function
        chain to preserve identifier scope in debug output.

2008-04-01  Joseph Myers  <joseph@codesourcery.com>

        * gfortran.texi: Include gpl_v3.texi instead of gpl.texi
        * Make-lang.in (GFORTRAN_TEXI): Include gpl_v3.texi instead of
        gpl.texi.

2008-03-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35740
        * resolve.c (resolve_function, resolve_call): If the procedure
        is elemental do not look for noncopying intrinsics.

2008-03-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35698
        * trans-array.c (gfc_array_init_size): Set 'size' zero if
        negative in one dimension.

        PR fortran/35702
        * trans-expr.c (gfc_trans_string_copy): Only assign a char
        directly if the lhs and rhs types are the same.

2008-03-28  Daniel Franke  <franke.daniel@gmail.com>
            Paul Richard Thomas <paul.richard.thomas@gmail.com>

        PR fortran/34714
        * primary.c (match_variable): Improved matching of function 
        result variables.
        * resolve.c (resolve_allocate_deallocate): Removed checks if
        the actual argument for STAT is a variable.

2008-03-28  Tobias Burnus  <burnus@net-b.de>

        * symbol.c (gfc_get_default_type): Fix error message; option
        -fallow_leading_underscore should be -fallow-leading-underscore

2008-03-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/35724
        * iresolve.c (gfc_resolve_cshift): Check for NULL symtree in test for
        optional argument attribute.

2008-03-27  Tom Tromey  <tromey@redhat.com>

        * Make-lang.in: Revert automatic dependency patch.

2008-03-25  Tom Tromey  <tromey@redhat.com>

        * Make-lang.in: Remove .o targets.
        (fortran_OBJS): New variable.
        (fortran/gfortranspec.o): Move to fortran/.  Reduce to variable
        setting.
        (GFORTRAN_D_OBJS): Update.
        (GFORTRAN_TRANS_DEPS): Remove.

2008-03-24  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34813
        * resolve.c (resolve_structure_cons): It is an error to assign
        NULL to anything other than a pointer or allocatable component.

        PR fortran/33295
        * resolve.c (resolve_symbol): If the symbol is a derived type,
        resolve the derived type.  If the symbol is a derived type
        function, ensure that the derived type is visible in the same
        namespace as the function.

2008-03-23  Tobias Schlüter  <tobi@gcc.gnu.org>

        * trans.h: Use fold_build in build1_v, build2_v and build3_v
        macros.
        * trans-openmp.c (gfc_trans_omp_critical, gfc_trans_omp_single):
        Don't use build2_v macro.

2008-03-19  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35152
        * interface.c (gfc_procedure_use): Check for keyworded arguments in
        procedures without explicit interfaces.

2008-03-16  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35470
        * resolve.c (check_assumed_size_reference):  Only visit the
        first reference and look directly at the highest dimension.

2008-03-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/35184
        * trans-array.c (gfc_conv_array_index_offset): Remove unnecessary
        assert.

2008-03-15  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35584
        * resolve.c (resolve_branch): Less strict and pessimistic warning
        message.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

        * f95-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
        (gfc_be_parse_file): Call clear_binding_stack from here.
        (gfc_clear_binding_stack): Rename to clear_binding_stack.
                
2008-03-09  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/35474
        * module.c (mio_symtree_ref): After providing a symbol for a
        missing equivalence member, resolve and NULL the fixups.

2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * invoke.texi (Error and Warning Options): Document
        -Wline-truncation.

2008-03-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/34956
        * trans-array.c (gfc_conv_ss_startstride): Fix the logic to avoid
        checking bounds of absent optional arguments.

2008-03-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/33197
        * intrinsic.c (add_functions): Add simplification routines for
        ERF, DERF, ERFC and DERFC.
        * decl.c (gfc_match_suffix, gfc_match_subroutine): Change GNU
        extensions into Fortran 2008 features.
        * intrinsic.h (gfc_simplify_erf, gfc_simplify_erfc): New
        prototypes.
        * simplify.c (gfc_simplify_erf, gfc_simplify_erfc): New functions.

2008-03-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/33197
        * intrinsic.c (add_functions): Modify intrinsics ACOSH, ASINH,
        ATANH, ERF, ERFC and GAMMA. Add intrinsics BESSEL_{J,Y}{0,1,N},
        ERFC_SCALED, LOG_GAMMA and HYPOT.
        * intrinsic.h (gfc_check_hypot, gfc_simplify_hypot,
        gfc_resolve_hypot): New prototypes.
        * mathbuiltins.def: Add HYPOT builtin. Make complex versions of
        ACOSH, ASINH and ATANH available.
        * gfortran.h (GFC_ISYM_ERFC_SCALED, GFC_ISYM_HYPOT): New values.
        * lang.opt: Add -std=f2008 option.
        * libgfortran.h: Define GFC_STD_F2008.
        * lang-specs.h: Add .f08 and .F08 file suffixes.
        * iresolve.c (gfc_resolve_hypot): New function.
        * parse.c (parse_contained): Allow empty CONTAINS for Fortran 2008.
        * check.c (gfc_check_hypot): New function.
        * trans-intrinsic.c (gfc_intrinsic_map): Define ERFC_SCALE builtin.
        * options.c (set_default_std_flags): Allow Fortran 2008 by default.
        (form_from_filename): Add .f08 suffix.
        (gfc_handle_option): Handle -std=f2008 option.
        * simplify.c (gfc_simplify_hypot): New function.
        * gfortran.texi: Document Fortran 2008 status and file extensions.
        * intrinsic.texi: Document new BESSEL_{J,Y}{0,1,N} intrinsics,
        as well as HYPOT and ERFC_SCALED. Update documentation of ERF,
        ERFC, GAMMA, LGAMMA, ASINH, ACOSH and ATANH.
        * invoke.texi: Document the new -std=f2008 option.

2008-03-02  Jakub Jelinek  <jakub@redhat.com>

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

2008-02-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/35059
        * expr.c (find_array_element): Modify traversing the constructor to
        avoid trying to access NULL memory pointed to by next for the
        last element. (find_array_section): Exit while loop if cons->next is
        NULL.
        * trans-expr.c (gfc_conv_scalar_char_value): Initialize gfc_typespec.
        (gfc_conv_function_call): Same.
        * decl.c (gfc_match_implicit): Same.
        * trans-intrinsic.c (gfc_conv_intrinsic_sr_kind): Same.

2008-02-28  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31463
        PR fortran/33950
        PR fortran/34296
        * lang.opt: Added -Wreturn-type.
        * options.c (gfc_handle_option): Recognize -Wreturn-type.
        * trans-decl.c (gfc_trans_deferred_vars): Emit warnings for funtions
        where the result value is not set.
        (gfc_generate_function_code): Likewise.
        (generate_local_decl): Emit warnings for funtions whose RESULT
        variable is not set.

2008-02-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/34868
        * trans-expr.c (gfc_conv_variable): Don't build indirect
        references when explicit interface is mandated.
        * resolve.c (resolve_formal_arglist): Set attr.always_explicit
        on the result symbol as well as the procedure symbol.

2008-02-27  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/33387
        * trans.h: Remove prototypes for gfor_fndecl_math_exponent4,
        gfor_fndecl_math_exponent8, gfor_fndecl_math_exponent10 and
        gfor_fndecl_math_exponent16.
        * f95-lang.c (build_builtin_fntypes): Add new function types.
        (gfc_init_builtin_functions): Add new builtins for nextafter,
        frexp, ldexp, fabs, scalbn and inf.
        * iresolve.c (gfc_resolve_rrspacing): Don't add hidden arguments.
        (gfc_resolve_scale): Don't convert type of second argument.
        (gfc_resolve_set_exponent): Likewise.
        (gfc_resolve_size): Don't add hidden arguments.
        * trans-decl.c: Remove gfor_fndecl_math_exponent4,
        gfor_fndecl_math_exponent8, gfor_fndecl_math_exponent10 and
        gfor_fndecl_math_exponent16.
        * trans-intrinsic.c (gfc_intrinsic_map): Remove intrinsics
        for scalbn, fraction, nearest, rrspacing, set_exponent and
        spacing.
        (gfc_conv_intrinsic_exponent): Directly call frexp.
        (gfc_conv_intrinsic_fraction, gfc_conv_intrinsic_nearest,
        gfc_conv_intrinsic_spacing, gfc_conv_intrinsic_rrspacing,
        gfc_conv_intrinsic_scale, gfc_conv_intrinsic_set_exponent): New
        functions.
        (gfc_conv_intrinsic_function): Use the new functions above.

2008-02-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35033
        * interface.c (check_operator_interface): Show better line for error
        messages; fix constrains for user-defined assignment operators.
        (gfc_extend_assign): Fix constrains for user-defined assignment
        operators.

2008-02-26  Tom Tromey  <tromey@redhat.com>

        * trans-io.c (set_error_locus): Remove old location code.
        * trans-decl.c (gfc_set_decl_location): Remove old location code.
        * f95-lang.c (gfc_init): Remove test of USE_MAPPED_LOCATION.
        * scanner.c (gfc_gobble_whitespace): Remove old location code.
        (get_file): Likewise.
        (preprocessor_line): Likewise.
        (load_file): Likewise.
        (gfc_new_file): Likewise.
        * trans.c (gfc_trans_runtime_check): Remove old location code.
        (gfc_get_backend_locus): Likewise.
        (gfc_set_backend_locus): Likewise.
        * data.c (gfc_assign_data_value): Remove old location code.
        * error.c (show_locus): Remove old location code.
        * gfortran.h (gfc_linebuf): Remove old location code.
        (gfc_linebuf_linenum): Remove old-location variant.

2008-02-25  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/34729
        * trans-const.c (gfc_build_string_const): Don't call gettext.
        (gfc_build_localized_string_const): New function.
        * trans-const.h (gfc_build_localized_string_const): New prototype.
        * trans.c (gfc_trans_runtime_check): Use
        gfc_build_localized_string_const instead of gfc_build_string_const.
        (gfc_call_malloc): Likewise.
        (gfc_allocate_with_status): Likewise.
        (gfc_allocate_array_with_status): Likewise.
        (gfc_deallocate_with_status): Likewise.
        (gfc_call_realloc): Likewise.
        * trans-io.c (gfc_trans_io_runtime_check): Likewise.

2008-02-24  Tobias Schlüter  <tobi@gcc.gnu.org>

        * arith.c: Update copyright years.
        * arith.h: Likewise.
        * array.c: Likewise.
        * bbt.c: Likewise.
        * check.c: Likewise.
        * data.c: Likewise.
        * data.h: Likewise.
        * decl.c: Likewise.
        * dependency.c: Likewise.
        * dependency.h: Likewise.
        * dump-parse-tree.c: Likewise.
        * error.c: Likewise.
        * expr.c: Likewise.
        * gfc-internals.texi: Likewise.
        * gfortran.h: Likewise.
        * gfortran.texi: Likewise.
        * gfortranspec.c: Likewise.
        * interface.c: Likewise.
        * intrinsic.c: Likewise.
        * intrinsic.h: Likewise.
        * intrinsic.texi: Likewise.
        * invoke.texi: Likewise.
        * io.c: Likewise.
        * iresolve.c: Likewise.
        * iso-c-binding.def: Likewise.
        * iso-fortran-env.def: Likewise.
        * lang-specs.h: Likewise.
        * lang.opt: Likewise.
        * libgfortran.h: Likewise.
        * match.c: Likewise.
        * match.h: Likewise.
        * matchexp.c: Likewise.
        * misc.c: Likewise.
        * module.c: Likewise.
        * openmp.c: Likewise.
        * options.c: Likewise.
        * parse.c: Likewise.
        * parse.h: Likewise.
        * primary.c: Likewise.
        * resolve.c: Likewise.
        * scanner.c: Likewise.
        * simplify.c: Likewise.
        * st.c: Likewise.
        * symbol.c: Likewise.
        * target-memory.c: Likewise.
        * target-memory.h: Likewise.
        * trans-array.h: Likewise.
        * trans-const.h: Likewise.
        * trans-stmt.h: Likewise.
        * trans-types.c: Likewise.
        * trans-types.h: Likewise.
        * types.def: Likewise.

2008-02-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/35223
        * simplify.c (gfc_simplify_ibclr), (gfc_simplify_ibits),
        (gfc_simplify_ibset): Remove call to range_check.
        (simplify_cmplx), (gfc_simplify_dble), (gfc_simplify_float)
        (gfc_simplify_real): Add call gfc_clear_ts to initialize the
        temporary gfc_typspec variable.

2008-02-24  Tobias Schlüter  <tobi@gcc.gnu.org>

        * trans-array.c (gfc_conv_descriptor_data_get,
        gfc_conv_descriptor_data_set_internal,
        gfc_conv_descriptor_data_addr, gfc_conv_descriptor_offset,
        gfc_conv_descriptor_dtype, gfc_conv_descriptor_dimension,
        gfc_conv_descriptor_stride, gfc_conv_descriptor_lbound,
        gfc_conv_descriptor_ubound, gfc_trans_create_temp_array,
        gfc_conv_array_transpose, gfc_grow_array,
        gfc_trans_array_constructor_subarray,
        gfc_trans_array_constructor_value, gfc_trans_scalarized_loop_end,
        gfc_array_init_size, gfc_array_allocate, gfc_array_deallocate,
        gfc_conv_array_initializer, gfc_trans_array_bounds,
        gfc_trans_auto_array_allocation, gfc_trans_dummy_array_bias,
        gfc_get_dataptr_offset, gfc_conv_array_parameter,
        gfc_trans_dealloc_allocated, get_full_array_size,
        gfc_duplicate_allocatable, structure_alloc_comps): Use fold_buildN
        instead of buildN.
        * trans-expr.c (gfc_conv_expr_present, gfc_conv_missing_dummy,
        gfc_conv_component_ref, gfc_conv_cst_int_power,
        gfc_conv_function_call, gfc_trans_structur_assign): Likewise.
        * trans-common.c (create_common): Likewise.
        * trans-openmp.c (gfc_trans_omp_atomic, gfc_trans_omp_do):
        Likewise.
        * trans-const.c (gfc_conv_constant_to_tree): Likewise.
        * trans-stmt.c (gfc_trans_goto, gfc_trans_return, gfc_trans_do,
        gfc_trans_integer_select, gfc_trans_character_select,
        gfc_trans_forall_loop, compute_overall_iter_number,
        gfc_trans_forall_1, gfc_evaluate_where_mask, gfc_trans_allocate,
        gfc_trans_deallocate): Likewise.
        * trans.c (gfc_build_addr_expr, gfc_trans_runtime_check,
        gfc_allocate_with_status, gfc_allocate_array_with_status,
        gfc_deallocate_with_status): Likewise.
        * f95-lang.c (gfc_truthvalue_conversion): Likewise.
        * trans-io.c (set_parameter_const, set_parameter_value,
        set_parameter_ref, set_string, set_internal_unit, io_result,
        set_error_locus, nml_get_addr_expr, transfer_expr): Likewise.
        * trans-decl.c (gfc_build_qualified_array, build_entry_thunks,
        gfc_get_fake_result_decl, gfc_trans_auto_character_variable,
        gfc_generate_function_code): Likewise.
        * convert.c (convert): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_conversion,
        build_fixbound_expr, build_fix_expr, gfc_conv_intrinsic_aint,
        gfc_conv_intrinsic_int, gfc_conv_intrinsic_imagpart,
        gfc_conv_intrinsic_conjg, gfc_conv_intrinsic_abs,
        gfc_conv_intrinsic_cmplx, gfc_conv_intrinsic_mod,
        gfc_conv_intrinsic_dim, gfc_conv_intrinsic_dprod,
        gfc_conv_intrinsic_ctime, gfc_conv_intrinsic_fdate,
        gfc_conv_intrinsic_ttynam, gfc_conv_intrinsic_minmax,
        gfc_conv_intrinsic_minmax_char, gfc_conv_intrinsic_count,
        gfc_conv_intrinsic_arith, gfc_conv_intrinsic_dot_product,
        gfc_conv_intrinsic_minmaxloc, gfc_conv_intrinsic_minmaxval,
        gfc_conv_intrinsic_btest, gfc_conv_intrinsic_not,
        gfc_conv_intrinsic_ibits, gfc_conv_intrinsic_ishft,
        gfc_conv_intrinsic_ichar, gfc_conv_intrinsic_size,
        gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer,
        gfc_conv_allocated, gfc_conv_associated, gfc_conv_intrinsic_trim,
        gfc_conv_intrinsic_repeat): Likewise.

2008-02-23  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR target/25477
        * trans-expr.c (gfc_conv_power_op): Use BUILT_IN_CPOW{F,,L}.
        * f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_CPOW{F,,L}.
        * trans.h (gfor_fndecl_math_cpow, gfor_fndecl_math_cpowf,
        gfor_fndecl_math_cpowl10, gfor_fndecl_math_cpowl16): Remove.
        * trans-decl.c: Likewise.

2008-02-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/35059
        * expr.c (find_array_element): Modify traversing the constructor to
        avoid trying to access NULL memory pointed to by next for the
        last element. (find_array_section): Exit while loop if cons->next is
        NULL.

2008-02-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/34907
        * iresolve.c (resolve_mask_arg): Add gfc_clear_ts to initialize
        structure.
        (gfc_resolve_aint): Likewise.
        (gfc_resolve_anint): Likewise.
        (gfc_resolve_besn): Likewise.
        (gfc_resolve_cshift): Likewise.
        (gfc_resolve_ctime): Likewise.
        (gfc_resolve_eoshift): Likewise.
        (gfc_resolve_index_func): Likewise.
        (gfc_resolve_isatty): Likewise.
        (gfc_resolve_malloc): Likewise.
        (gfc_resolve_rrspacing): Likewise.
        (gfc_resolve_scale): Likewise.
        (gfc_resolve_set_exponent): Likewise.
        (gfc_resolve_spacing): Likewise.
        (gfc_resolve_spacing): Likewise.
        (gfc_resolve_fgetc): Likewise.
        (gfc_resolve_fputc): Likewise.
        (gfc_resolve_ftell): Likewise.
        (gfc_resolve_ttynam): Likewise.
        (gfc_resolve_alarm_sub): Likewise.
        (gfc_resolve_mvbits): Likewise.
        (gfc_resolve_getarg): Likewise.
        (gfc_resolve_signal_sub): Likewise.
        (gfc_resolve_exit): Likewise.
        (gfc_resolve_flush): Likewise.
        (gfc_resolve_free): Likewise.
        (gfc_resolve_ctime_sub): Likewise.
        (gfc_resolve_fgetc_sub): Likewise.
        (gfc_resolve_fputc_sub): Likewise.
        (gfc_resolve_fseek_sub): Likewise.
        (gfc_resolve_ftell_sub): Likewise.
        (gfc_resolve_ttynam_sub): Likewise.

2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * gfc-internals.texi: Fix typos and markup nits.
        * gfortran.texi: Likewise.
        * intrinsic.texi: Likewise.

2008-02-21  Richard Guenther  <rguenther@suse.de>

        * trans-expr.c (gfc_conv_expr_op): Expand INTRINSIC_PARENTHESES
        as unary PAREN_EXPR for real and complex typed expressions.
        (gfc_conv_unary_op): Fold the built tree.

2008-02-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34997
        * match.c (gfc_match_name): Improve error message for '$'.

2008-02-19  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35030
        * expr.c (gfc_check_pointer_assign): Add type and kind information
        to type-mismatch message.
        (gfc_check_assign): Unify error messages.

2008-02-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/34952
        * gfortran.texi: Create new section for unimplemented extensions.
        Add "STRUCTURE and RECORD" and "ENCODE and DECODE statements".
        Remove "smaller projects" list. Fix a few typos.

2008-02-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * intrinsic.texi: Rename INDEX node to avoid clashing with
        index.html on case-insensitive systems.

2008-02-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/35150
        * trans-expr.c (gfc_conv_function_call): Force evaluation of
        se->expr.

2008-02-10  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35019
        * lang.opt: Allow '-J<dir>' next to '-J <dir>', 
        likewise '-I <dir>' and '-I<dir>'.

2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR other/35107
        * Make-lang.in (f951): Add $(GMPLIBS).

2008-02-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/35037
        * trans-common.c (build_field): Mark fields as volatile when needed.

2008-02-05  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35093
        * data.c (gfc_assign_data_value): Only free "size" if
        it has not already been freed.

2008-02-05  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34945
        * array.c (match_array_element_spec): Remove check for negative
        array size.
        (gfc_resolve_array_spec): Add check for negative size.

2008-02-05  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32315
        * data.c (gfc_assign_data_value): Add bounds check for array
        references.

2008-02-04  Daniel Franke  <franke.daniel@gmail.com>

        * resolve.c (resolve_where): Fix typo.
        (gfc_resolve_where_code_in_forall): Likewise.

2008-02-03  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32760
        * resolve.c (resolve_allocate_deallocate): New function.
        (resolve_code): Call it for allocate and deallocate.
        * match.c (gfc_match_allocate, gfc_match_deallocate) : Remove
        the checking of the STAT tag and put in above new function.
        * primary,c (match_variable): Do not fix flavor of host
        associated symbols yet if the type is not known.

2008-01-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34910
        * expr.c (gfc_check_assign): It is an error to assign
        to a sibling procedure.

2008-01-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34975
        * symbol.c (gfc_delete_symtree, gfc_undo_symbols): Rename
        delete_symtree to gfc_delete_symtree.
        * gfortran.h : Add prototype for gfc_delete_symtree.
        * module.c (load_generic_interfaces): Transfer symbol to a
        unique symtree and delete old symtree, instead of renaming.
        (read_module): The rsym and the found symbol are the same, so
        the found symtree can be deleted.

        PR fortran/34429
        * decl.c (match_char_spec): Remove the constraint on deferred
        matching of functions and free the length expression.
        delete_symtree to gfc_delete_symtree.
        (gfc_match_type_spec): Whitespace.
        (gfc_match_function_decl): Defer characteristic association for
        all types except BT_UNKNOWN.
        * parse.c (decode_specification_statement): Only derived type
        function matching is delayed to the end of specification.

2008-01-28  Tobias Burnus  <burnus@net-b.de>

        PR libfortran/34980
        * simplify.c (gfc_simplify_shape): Simplify rank zero arrays.

2008-01-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/34990
        * array.c (gfc_check_constructor_type): Revert clearing the expression.

2008-01-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34848
        * trans-expr.c (gfc_conv_function_call): Don't call
        gfc_add_interface_mapping if the expression is NULL.

2008-01-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/31610
        * trans-array.c (gfc_trans_create_temp_array): Remove call to
        gcc_assert (integer_zerop (loop->from[n])).

2008-01-25  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/34661
        * resolve.c (resolve_where): Added check if user-defined assignment 
        operator is an elemental subroutine.
        (gfc_resolve_where_code_in_forall): Likewise.

2008-01-24  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/33375
        PR fortran/34858
        * gfortran.h: Revert changes from 2008-01-17.
        * match.c: Likewise.
        * symbol.c: Likewise.
        (gfc_undo_symbols): Undo namespace changes related to common blocks.

2008-01-24  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/34202
        * data.c (formalize_structure_cons): Skip formalization on
        empty structures.

2008-01-24  Daniel Franke  <franke.daniel@gmail.com>

        * gfortran.texi (OpenMP): Extended existing documentation.
        (contributors): Added major contributors of 2008 that were
        not listed yet.
        (proposed extensions): Removed implemented items.

2008-01-24  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34872
        * parse.c (next_statement) : If ST_GET_FCN_CHARACTERISTICS  is
        seen, check for a statement label and, if present, delete it
        and set the locus to the start of the statement.

2008-01-22  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34875
        * trans-io.c (gfc_trans_transfer): If the array reference in a
        read has a vector subscript, use gfc_conv_subref_array_arg to
        copy back the temporary.

2008-01-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34848
        * interface.c (compare_actual_formal): Fix adding type
        to missing_arg_type for absent optional arguments.

2008-01-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34907
        * parse.c (parse_spec): Change = into ==.

2008-01-22  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/34915
        * expr.c (check_elemental): Fix check for valid data types.

2008-01-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34899
        * scanner.c (load_line): Support <tab><digit> continuation lines.
        * invoke.texi (-Wtabs): Document this.

2008-01-22  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34896
        * module.c (read_module): Set use_rename attribute.

2007-01-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34901
        * interface.c (compare_parameter): Improved error message
        for arguments of same type and mismatched kinds.

2008-01-20  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34861
        * resolve.c (resolve_entries): Do not do an array bounds check
        if the result symbols are the same.

        PR fortran/34854
        * module.c (read_module) : Hide the symtree of the previous
        version of the symbol if this symbol is renamed.

2008-01-20  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34784
        * array.c (gfc_check_constructor_type): Clear the expression ts
        so that the checking starts from the deepest level of array
        constructor.
        * primary.c (match_varspec): If an unknown type is changed to
        default character and the attempt to match a substring fails,
        change it back to unknown.

        PR fortran/34785
        * trans-array.c (gfc_add_loop_ss_code) : If ss->string_length is
        NULL for an array constructor, use the cl.length expression to
        build it.
        (gfc_conv_array_parameter): Change call to gfc_evaluate_now to
        a tree assignment.

2008-01-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/34817
        PR fortran/34838
        * iresolve.c (gfc_resolve_all):  Remove conversion of mask
        argument to kind=1 by removing call to resolve_mask_arg().
        (gfc_resolve_any):  Likewise.

2008-01-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34760
        * primary.c (match_variable): Handle FL_UNKNOWN without
        uneducated guessing.
        (match_variable): Improve error message.

2008-01-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/32616
        * interface.c (get_expr_storage_size): Return storage size
        for array element designators.
        (compare_actual_formal): Reject unequal string sizes for
        assumed-shape dummy arguments. And fix error message for
        array-sections with vector subscripts.

2008-01-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/34556
        * simplify.c (is_constant_array_expr): New static function that returns
        true if the given expression is an array and is constant.
        (gfc_simplify_reshape): Use new function.

2008-01-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR fortran/33375
        * symbol.c (free_common_tree): Renamed to ...
        (gfc_free_common_tree): This.  Remove static.
        (gfc_free_namespace): Updated.

        * gfortran.h (gfc_free_common_tree): New.

        * match.c (gfc_match_common): Call gfc_free_common_tree () with
        gfc_current_ns->common_root and set gfc_current_ns->common_root
        to NULL on syntax error.

2008-01-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR fortran/34686
        * trans-expr.c (gfc_conv_function_call): Use proper
        type for returned character pointers.

2008-01-17  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34429
        PR fortran/34431
        PR fortran/34471
        * decl.c : Remove gfc_function_kind_locus and
        gfc_function_type_locus. Add gfc_matching_function.
        (match_char_length): If matching a function and the length
        does not match, return MATCH_YES and try again later.
        (gfc_match_kind_spec): The same.
        (match_char_kind): The same.
        (gfc_match_type_spec): The same for numeric and derived types.
        (match_prefix): Rename as gfc_match_prefix.
        (gfc_match_function_decl): Except for function valued character
        lengths, defer applying kind, type and charlen info until the
        end of specification block.
        gfortran.h (gfc_statement): Add ST_GET_FCN_CHARACTERISTICS.
        parse.c (decode_specification_statement): New function.
        (decode_statement): Call it when a function has kind = -1. Set
        and reset gfc_matching function, as function statement is being
        matched.
        (match_deferred_characteristics): Simplify with a single call
        to gfc_match_prefix. Do appropriate error handling. In any
        case, make sure that kind = -1 is reset or corrected.
        (parse_spec): Call above on seeing ST_GET_FCN_CHARACTERISTICS.
        Throw an error if kind = -1 after last specification statement.
        parse.h : Prototype for gfc_match_prefix.

2008-01-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34796
        * interface.c (compare_parameter): Allow AS_DEFERRED array
        elements and reject attr.pointer array elemenents.
        (get_expr_storage_size): Return storage size of elements of
        assumed-shape and pointer arrays.

2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>

        * f95-lang.c (gfc_init_builtin_functions): Initialize GOMP builtins
        for flag_tree_parallelize_loops.

2008-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR libfortran/34671
        * iresolve.c (gfc_resolve_all):  Call resolve_mask_arg.
        (gfc_resolve_any):  Likewise.
        (gfc_resolve_count):  Likewise.  Don't append kind of
        argument to function name.

2008-01-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34665
        * resolve.c (resolve_actual_arglist): For expressions,
        also check for assume-sized arrays.
        * interface.c (compare_parameter): Move F2003 character checks
        here, print error messages here, reject elements of
        assumed-shape array as argument to dummy arrays.
        (compare_actual_formal): Update for the changes above.

2008-01-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34763
        * decl.c (contained_procedure): Only check directly preceeding state.

2008-01-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34759
        * check.c (gfc_check_shape): Accept array ranges of
        assumed-size arrays.

2008-01-12  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/34432
        * match.c (gfc_match_name): Don't error if leading character is a '(',
        just return MATCH_NO.

2008-01-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/34722
        * trans-io.c (create_dummy_iostat): Commit the symbol.

2008-01-11  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34537
        * simplify.c (gfc_simplify_transfer): Return NULL if the size
        of the element is unavailable and only assign character length
        to the result, if 'mold' is constant.

2008-01-10  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34396
        * trans-array.c (gfc_trans_array_ctor_element):  Use gfc_trans_string_copy
        to assign strings and perform bounds checks on the string length.
        (get_array_ctor_strlen): Remove bounds checking.
        (gfc_trans_array_constructor): Initialize string length checking.
        * trans-array.h : Add prototype for gfc_trans_string_copy.

2008-01-08  Richard Guenther  <rguenther@suse.de>

        PR fortran/34706
        PR tree-optimization/34683
        * trans-types.c (gfc_get_array_type_bounds): Use an array type
        with known size for accesses if that is known.

2008-01-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34476
        * expr.c (find_array_element): Check that the array bounds are
        constant before using them.  Use lower, as well as upper bound.
        (check_restricted): Allow implied index variable.

2008-01-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34681
        * trans_array.c (gfc_trans_deferred_array): Do not null the
        data pointer on entering scope, nor deallocate it on leaving
        scope, if the symbol has the 'save' attribute.

        PR fortran/34704
        * trans_decl.c (gfc_finish_var_decl): Derived types with
        allocatable components and an initializer must be TREE_STATIC.

2008-01-07  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34672
        * module.c (write_generic): Rewrite completely.
        (write_module): Change call to write_generic.

2008-01-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/34659
        * scanner.c (load_line): Do not count ' ' as printable when checking for
        continuations.

2008-01-06  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34545
        * module.c (load_needed): If the namespace has no proc_name
        give it the module symbol.

2008-01-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/34387
        * trans-expr.c (gfc_conv_missing_dummy): Use a temporary to type convert
        the dummy variable expression, test for NULL, and pass the variable
        address to the called function.

2007-01-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34658
        * match.c (gfc_match_common): Remove blank common in
        DATA BLOCK warning.
        * resolve.c (resolve_common_vars): New function.
        (resolve_common_blocks): Move checks to resolve_common_vars
        and invoke that function.
        (resolve_types): Call resolve_common_vars for blank commons.

2008-01-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34655
        * resolve.c (resolve_equivalence_derived): Reject derived types with
        default initialization if equivalenced with COMMON variable.

2008-01-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34654
        * io.c (check_io_constraints): Disallow unformatted I/O for
        internal units.

2008-01-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34660
        * resolve.c (resolve_formal_arglist): Reject dummy procedure in
        ELEMENTAL functions.

2008-01-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34662
        * interface.c (compare_actual_formal): Reject parameter
        actual to intent(out) dummy.

2008-01-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34557
        * primary.c (match_varspec): Gobble whitespace before
        checking for '('.