2006-12-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25818
* trans-array.c (gfc_trans_g77_array): If the variable is
optional or not always present, make the statement conditional
on presence of the argument.
* gfortran.h : Add symbol_attribute not_always_present.
* resolve.c (check_argument_lists): New function to check if
arguments are not present in all entries.
PR fortran/30084
* module.c (mio_component_ref): Move treatment of unique name
variables, during output, to fix_mio_expr.
(fix_mio_expr): New function that fixes defective expressions
before they are written to the module file.
(mio_expr): Call the new function.
(resolve_entries): Call check_argument_lists.
2006-12-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25818
* gfortran.dg/entry_array_specs_2.f: New test.
PR fortran/30084
* gfortran.dg/nested_modules_6.f90: New test.
From-SVN: r120155
* trans-array.c (gfc_trans_create_temp_array): When the size is known
at compile-time, avoid an unnecessary conditional assignment.
(gfc_array_init_size): Likewise.
From-SVN: r120141
2006-12-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30273
* dependency.c (gfc_check_dependency): There is no dependency
with EXPR_NULL so always return 0.
2006-12-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30273
* gfortran.dg/dependency_19.f90: New test.
From-SVN: r120117
2006-12-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30202
* trans-array.c (gfc_conv_function_call): Use parmse.expr for
the nullifying of intent(out) arguments rather than the backend
declaration.
2006-12-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30202
* gfortran.dg/alloc_comp_basics_3.f90: New test.
From-SVN: r120109
PR fortran/25392
fortran/
* trans-stmt.c (gfc_trans_return): Fix comment formatting.
* trans-types.c (gfc_sym_type): Don't return early for functions.
Remove special handling for -ff2c.
(gfc_get_function_type): Add special handling for -ff2c.
* trans-decl.c (gfc_create_function_decl): Fix comment formatting.
(gfc_get_fake_result_decl): Make sure we get the right type for
functions.
(gfc_generate_function_code): Convert type of result variable to
type of function.
testsuite/
* gfortran.dg/f2c_8.f90: New test.
From-SVN: r120099
2006-12-20 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30190
* trans-array.c (gfc_conv_array_ref): Remove gfc_evaluate_now
from the -fbounds-check branch.
2006-12-20 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30190
* gfortran.dg/bounds_check_5.f90: New test.
From-SVN: r120084
* trans-expr.c (is_zero_initializer_p): Determine whether a given
constant expression is a zero initializer.
(gfc_trans_zero_assign): New function to attempt to optimize
"a(:) = 0.0" as a call to __builtin_memset (a, 0, sizeof(a));
(gfc_trans_assignment): Special case array assignments to a
zero initializer constant, using gfc_trans_zero_assign.
* gfortran.dg/array_memset_1.f90: New test case.
From-SVN: r120078
2006-12-20 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29992
* interface.c (check_sym_interfaces): Module procedures in a
generic must be use associated or contained in the module.
* decl.c (gfc_match_modproc): Set attribute mod_proc.
* gfortran.h (symbol_attribute): Add mod_proc atribute.
PR fortran/30081
* resolve.c (resolve_generic_f, resolve_generic_s): Use
gfc_intrinsic_name to find out if the function is intrinsic
because it does not have to be a generic intrinsic to be
overloaded.
2006-12-20 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29992
* gfortran.dg/generic_9.f90: New test.
PR fortran/30081
* gfortran.dg/generic_10.f90: New test.
From-SVN: r120072
2006-12-19 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30236
* interface.c (compare_interfaces): Handle NULL symbols.
(count_types_test): Count NULL symbols, which correspond to
alternate returns.
(check_interface1): Change final argument from int to bool
in the function and all references.
2006-12-19 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30236
* gfortran.dg/altreturn_3.f90: New test.
* gfortran.dg/char_result_12.f90: Fix comment typos.
From-SVN: r120052
2006-12-17 Roger Sayle <roger@eyesopen.com>
Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/30207
* dependency.c (gfc_full_array_ref_p): New function to test whether
the given array ref specifies the entire array.
(gfc_dep_resolver): Use gfc_full_array_ref_p to analyze AR_FULL
array refs against AR_SECTION array refs, and vice versa.
* dependency.h (gfc_full_array_ref_p): Prototype here.
* trans-array.c (gfc_conv_expr_descriptor): Use gfc_full_array_ref_p.
* gfortran.fortran-torture/execute/where21.f90: New test.
From-SVN: r119990
* gfortran.texi: Added TeX support for document parts;
rearranged existing text into "About GNU Fortran",
"Invoking GNU Fortran", and "Language Reference" parts.
From-SVN: r119981
fortran/
* trans-expr.c (gfc_conv_substring): Check for empty substring.
testsuite/
* lib/fortran-torture.exp: Update copyright years. Remove
obsolete comment. Test -ftree-vectorize where it makes sense.
* lib/gfortran-dg.exp: Update copyright years. Use settings
from fortran-torture.exp.
* gfortran.dg/char_transpose_1.f90,
gfortran.dg/char_spread_1.f90, gfortran.dg/g77/dnrm2.f,
gfortran.dg/dependent_decls_1.f90: Fixout-of-bound errors.
* gfortran.dg/enum_10.f90, gfortran.dg/mixed_io_1.f90: Add
'-w' to dg-options.
From-SVN: r119797
2006-12-09 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29975
PR fortran/30068
PR fortran/30096
* interface.c (compare_type_rank_if): Reject invalid generic
interfaces.
(check_interface1): Give a warning for nonreferred to ambiguous
interfaces.
(check_sym_interfaces): Check whether an ambiguous interface is
referred to. Do not check host associated interfaces since these
cannot be ambiguous with the local versions.
(check_uop_interface, gfc_check_interfaces): Update call to
check_interface1.
* symbol.c (gfc_get_sym_tree, gfc_get_sym_tree): Allow adding
unambiguous procedures to generic interfaces.
* gfortran.h (symbol_attribute): Added use_only and
ambiguous_interfaces.
* module.c (load_need): Set the use_only flag, if needed.
* resolve.c (resolve_fl_procedure): Warn for nonreferred
interfaces.
* expr.c (find_array_section): Fix initializer array contructor.
2006-12-09 Paul Thomas <pault@gcc.gnu.org>
Tobias Burnus <burnus@gcc.gnu.org>
PR fortran/29975
PR fortran/30068
* gfortran.dg/interface_4.f90: Test adding procedure to generic
interface.
* gfortran.dg/interface_5.f90: Test warning for not-referenced-to
ambiguous interfaces.
* gfortran.dg/interface_6.f90: Test invalid, ambiguous interface.
* gfortran.dg/interface_7.f90: Test invalid, ambiguous interface.
* gfortran.dg/interface_8.f90: Test warning for not-referenced-to
ambiguous interfaces.
* gfortran.dg/interface_1.f90: Change dg-error into a dg-warning.
* gfortran.dg/array_initializer_2.f90: Add initializer array
constructor test.
PR fortran/30096
* gfortran.dg/interface_9.f90: Test that host interfaces are
not checked for ambiguity with the local version.
Co-Authored-By: Tobias Burnus <burnus@gcc.gnu.org>
From-SVN: r119697
2006-11-25 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29464
* module.c (load_generic_interfaces): Add symbols for all the
local names of an interface. Share the interface amongst the
symbols.
* gfortran.h : Add generic_copy to symbol_attribute.
* symbol.c (free_symbol): Only free interface if generic_copy
is not set.
2006-11-25 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29464
* gfortran.dg/module_interface_2.f90: New test.
From-SVN: r119696
2006-12-09 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29941
* resolve.c (resolve_function): Add LEN to the functions not
checked for assumed size actual args.
2006-12-09 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29941
* gfortran.dg/assumed_len.f90: New test.
From-SVN: r119695
2006-12-06 Tobias Burnus <burnus@net-b.de>
PR fortran/29711
* error.c (error_print): Fix handling of printf-style position specifiers
of the form "%3$d"
From-SVN: r119609
2006-12-05 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30003
* trans-array.c (gfc_trans_create_temp_array): Set the section
ends to zero.
(gfc_conv_array_transpose): Likewise.
(gfc_conv_section_startstride): Declare an expression for end,
set it from a the array reference and evaluate it for the info
structure. Zero the ends in the ss structure and set end, used
in the bounds check, from the info structure.
trans.h: Add and end array to the gfc_ss_info structure.
2006-12-05 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30003
* gfortran.dg/allocatable_function_1.f90: Increase the number
of expected calls of free to 10; the lhs section reference is
now evaluated so there is another call to bar. Change the
comment appropriately.
* gfortran.dg/array_section_1.f90: New test.
From-SVN: r119556
2006-12-05 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29912
* trans-expr.c (gfc_trans_arrayfunc_assign): Return NULL if the
lhs and rhs character lengths are not constant and equal for
character array valued functions.
2006-12-05 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29912
* gfortran.dg/char_result_12.f90: New test.
From-SVN: r119554
2006-12-04 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29821
* resolve.c (resolve_operator): Only return result of
gfc_simplify_expr if expression is constant.
2006-12-04 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29821
* gfortran.dg/parameter_array_section_1.f90: New test.
From-SVN: r119504
2006-12-03 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29642
* trans-expr.c (gfc_conv_variable): A character expression with
the VALUE attribute needs an address expression; otherwise all
other expressions with this attribute must not be dereferenced.
(gfc_conv_function_call): Pass expressions with the VALUE
attribute by value, using gfc_conv_expr.
* symbol.c (check_conflict): Add strings for INTENT OUT, INOUT
and VALUE. Apply all the constraints associated with the VALUE
attribute.
(gfc_add_value): New function.
(gfc_copy_attr): Call it for VALUE attribute.
* decl.c (match_attr_spec): Include the VALUE attribute.
(gfc_match_value): New function.
* dump-parse-tree.c (gfc_show_attr): Include VALUE.
* gfortran.h : Add value to the symbol_attribute structure and
add a prototype for gfc_add_value
* module.c (mio_internal_string): Include AB_VALUE in enum.
(attr_bits): Provide the VALUE string for it.
(mio_symbol_attribute): Read or apply the VLUE attribute.
* trans-types.c (gfc_sym_type): Variables with the VLAUE
attribute are not passed by reference!
* resolve.c (was_declared): Add value to those that return 1.
(resolve_symbol): Value attribute requires dummy attribute.
* match.h : Add prototype for gfc_match_public.
* parse.c (decode_statement): Try to match a VALUE statement.
2006-12-03 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29642
* gfortran.dg/value_1.f90 : New test.
* gfortran.dg/value_2.f90 : New test.
* gfortran.dg/value_3.f90 : New test.
* gfortran.dg/value_4.f90 : New test.
* gfortran.dg/value_4.c : Called from value_4.f90.
From-SVN: r119461
2006-12-01 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/29568
* gfortran.dg/convert_implied_open.f90: Change to
new default record length.
* gfortran.dg/unf_short_record_1.f90: Adapt to
new error message.
* gfortran.dg/unformatted_subrecords_1.f90: New test.
2006-12-01 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/29568
* gfortran.h (gfc_option_t): Add max_subrecord_length.
(top level): Define MAX_SUBRECORD_LENGTH.
* lang.opt: Add option -fmax-subrecord-length=.
* trans-decl.c: Add new function set_max_subrecord_length.
(gfc_generate_function_code): If we are within the main
program and max_subrecord_length has been set, call
set_max_subrecord_length.
* options.c (gfc_init_options): Add defaults for
max_subrecord_lenght, convert and record_marker.
(gfc_handle_option): Add handling for
-fmax_subrecord_length.
* invoke.texi: Document the new default for
-frecord-marker=<n>.
2006-12-01 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/29568
* libgfortran/libgfortran.h (compile_options_t): Add
record_marker. (top level): Define GFC_MAX_SUBRECORD_LENGTH.
* runtime/compile_options.c (set_record_marker): Change
default to four-byte record marker.
(set_max_subrecord_length): New function.
* runtime/error.c (translate_error): Change error message
for short record on unformatted read.
* io/io.h (gfc_unit): Add recl_subrecord, bytes_left_subrecord
and continued.
* io/file_pos.c (unformatted_backspace): Change default of record
marker size to four bytes. Loop over subrecords.
* io/open.c: Default recl is max_offset. If
compile_options.max_subrecord_length has been set, set set
u->recl_subrecord to its value, to the maximum value otherwise.
* io/transfer.c (top level): Add prototypes for us_read, us_write,
next_record_r_unf and next_record_w_unf.
(read_block_direct): Separate codepaths for unformatted direct
and unformatted sequential. If a recl has been set by the
user, use the number of bytes left for the record if it is smaller
than the read request. Loop over subrecords. Set an error if the
user has set a recl and the read was short.
(write_buf): Separate codepaths for unformatted direct and
unformatted sequential. If a recl has been set by the
user, use the number of bytes left for the record if it is smaller
than the read request. Loop over subrecords. Set an error if the
user has set a recl and the read was short.
(us_read): Add parameter continued (to indicate that bytes_left
should not be intialized). Change default of record marker size
to four bytes. Use subrecord. If the subrecord length is smaller than
zero, this indicates a continuation.
(us_write): Add parameter continued (to indicate that the continued
flag should be set). Use subrecord.
(pre_position): Use 0 for continued on us_write and us_read calls.
(skip_record): New function.
(next_record_r_unf): New function.
(next_record_r): Use next_record_r_unf.
(write_us_marker): Default size for record markers is four bytes.
(next_record_w_unf): New function.
(next_record_w): Use next_record_w_unf.
From-SVN: r119412
2006-11-28 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29976
* trans-expr.c (gfc_conv_missing_dummy): Remove build_int_const
and replace with cast to type of se->expr of integer_zero_node.
2006-11-28 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29976
* gfortran.dg/missing_optional_dummy_3.f90
From-SVN: r119273
2006-11-28 Paul Thomas <pault@gcc.gnu.org>
PR fortran/20880
* resolve.c (resolve_fl_procedure): Error if procedure is
ambiguous modified to require attr.referenced.
2006-11-28 Paul Thomas <pault@gcc.gnu.org>
PR fortran/20880
* gfortran.dg/interface_3.f90: Modify errors.
From-SVN: r119272
PR fortran/29892
* trans-intrinsic.c (gfc_conv_intrinsic_bound): Use a locus in
the call to gfc_trans_runtime_check.
* trans-array.c (gfc_trans_array_bound_check): Try harder to find
the variable or function name for the runtime error message.
(gfc_trans_dummy_array_bias): Use a locus in the call to
gfc_trans_runtime_check
From-SVN: r119223
2006-11-26 Andrew Pinski <pinskia@gmail.com>
* trans-decl.c (gfc_build_intrinsic_function_decls): Mark the
pow functions as constant functions.
From-SVN: r119219
2006-11-25 Andrew Pinski <pinskia@gmail.com>
PR fortran/29951
* trans-intrinsic.c (gfc_conv_intrinsic_transfer): Change to
call memcpy instead of creating a VIEW_CONVERT_EXRP.
2006-11-25 Andrew Pinski <pinskia@gmail.com>
PR fortran/29951
* gfortran.fortran-torture/execute/transfer2.f90: New test
From-SVN: r119211
2006-11-24 Paul Thomas <pault@gcc.gnu.org>
PR fortran/20880
* parse.c (parse_interface): Error if procedure name is that of
encompassing scope.
* resolve.c (resolve_fl_procedure): Error if procedure is
ambiguous.
PR fortran/29387
* interface.c (compare_actual_formal): Add missing condition
that 'where' be present for error that asserts that actual
arguments be definable.
2006-11-24 Paul Thomas <pault@gcc.gnu.org>
PR fortran/20880
* gfortran.dg/interface_3.f90: New test.
PR fortran/29387
* gfortran.dg/generic_8.f90: New test.
From-SVN: r119173
* resolve.c (resolve_actual_arglist): Remove the special case for
CHAR.
* intrinsic.c (add_functions): Remove the special case for CHAR.
* gfortran.dg/specifics_1.f90: Remove check for CHAR.
* gfortran.dg/specifics_2.f90: Remove check for CHAR.
* gfortran.dg/specifics_3.f90: Remove.
From-SVN: r119170
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25087
* resolve.c (resolve_fl_procedure): Add an error if an external
automatic character length function does not have an explicit
interface.
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25087
* gfortran.dg/auto_char_len_4.f90: New test.
From-SVN: r119077
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29652
* interface.c (check_interface1): Use a local value, instead of
the dummy, as the inner iterator over interface symbols.
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29652
* gfortran.dg/generic_7.f90: New test.
* gfortran.dg/defined_operators_1.f90: Add new error.
From-SVN: r119076
2006-11-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29820
* trans-array.c (gfc_get_derived_type): Once done, spread the
backend_decl to all identical derived types in all sibling
namespaces.
2006-11-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29820
* gfortran.dg/used_types_13.f90: New test.
From-SVN: r119073