path: root/gcc/fortran/ChangeLog

2008-05-17  Paul Thomas  <pault@gcc.gnu.org>

	Backport from mainline:
	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.

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

2008-05-13  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.

2008-05-01  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.

	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.

2008-04-26  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.

2008-04-19  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/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.

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

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

2008-04-01  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.

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

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

2008-03-24  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.

2008-03-14  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.

2008-03-05  Release Manager

	* GCC 4.3.0 released.

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

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

2008-02-28  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2008-02-25  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	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.

2008-02-16  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>

	fortran/PR35019
	* 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 '('.