path: root/gcc/fortran/ChangeLog

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>

	* 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  <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.

2008-02-22  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 '('.