changelog

gcc-fortran,linux使用fortran的编译软件。很好用的。

	* dump-parse-tree.c (show_symtree): Revert change unintentionally
	committed in r106246.

2005-11-01  Paul Thomas  <[e-mail]>

	PR fortran/21565
	* symbol.c (check_conflict): An object cannot be in a namelist and in
	block data.

	PR fortran/18737
	* resolve.c (resolve_symbol): Set the error flag to
	gfc_set_default_type, in the case of an external symbol, so that
	an error message is emitted if IMPLICIT NONE is set.

	PR fortran/14994
	* gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_SECNDS to enum.
	* check.c (gfc_check_secnds): New function.
	* intrinsic.c (add_functions): Add call to secnds.
	* iresolve.c (gfc_resolve_secnds): New function.
	* trans-intrinsic (gfc_conv_intrinsic_function): Add call to
	secnds via case GFC_ISYM_SECNDS.
	* intrinsic.texi: Add documentation for secnds.

2005-10-31  Andreas Schwab  <[e-mail]>

	* Make-lang.in (GFORTRAN_TARGET_INSTALL_NAME): Define.
	(GFORTRAN_CROSS_NAME): Remove.
	(fortran.install-common): Correctly install a cross compiler.
	(fortran.uninstall): Use GFORTRAN_TARGET_INSTALL_NAME instead of
	GFORTRAN_CROSS_NAME.

2005-10-30  Erik Edelmann  <[e-mail]>

	* gfortran.texi: Update contributors.

2005-10-30  Erik Edelmann  <[e-mail]>

	PR fortran/18883
	* trans-decl.c (gfc_finish_var_decl): Add decl to the
	current function, rather than the parent.  Make
	assertion accept fake result variables.
	* trans-expr.c (gfc_conv_variable): If the character
	length of an ENTRY isn't set, get the length from
	the master function instead.

2005-10-30  Thomas Koenig  <[e-mail]>

	* gfortran.texi:  Remove reservations about I/O usability.  Document
	that array intrinsics mostly work.

2005-10-30  Tobias Schl"uter  <[e-mail]>

	* gfortran.texi: Move license stuff to back.  Add information
	on ENUM and ENUMERATOR.
	* invoke.texi: Document -fshort-enums.

2005-10-30  Gaurav Gautam  <[e-mail]>
	    Tobias Schl"uter  <[e-mail]>

	* arith.c (gfc_enum_initializer): New function.
	(gfc_check_integer_range): Made extern.
	* decl.c (enumerator_history): New typedef.
	(last_initializer, enum_history, max_enum): New variables.
	(create_enum_history, gfc_free_enum_history): New functions.
	(add_init_expr_to_sym): Call create_enum_history if parsing ENUM.
	(variable_decl): Modified to parse enumerator definition.
	(match_attr_spec): Add PARAMETER attribute to ENUMERATORs.
	(gfc_match_data_decl): Issues error, if match_type_spec do not
	return desired return values.
	(set_enum_kind, gfc_match_enum, gfc_match_enumerator_def): New
	functions.
	(gfc_match_end): Deal with END ENUM.
	* gfortran.h (gfc_statement): ST_ENUM, ST_ENUMERATOR, ST_END_ENUM
	added.
	(symbol_attribute): Bit field for enumerator added.
	(gfc_options): Add fshort_enums.
	(gfc_enum_initializer, gfc_check_integer_range): Add prototypes.
	* options.c: Include target.h
	(gfc_init_options): Initialize fshort_enums.
	(gfc_handle_option): Deal with fshort_enums.
	* parse.c (decode_statement): Match ENUM and ENUMERATOR statement.
	(gfc_ascii_statement): Deal with the enumerator statements.
	(parse_enum): New function to parse enum construct.
	(parse_spec): Added case ST_ENUM.
	* parse.h (gfc_compile_state): COMP_ENUM added.
	(gfc_match_enum, gfc_match_enumerator_def, gfc_free_enum_history):
	Prototype added.
	* symbol.c (gfc_copy_attr): Copy enumeration attribute.
	* lang.opt (fshort-enums): Option added.

2005-10-30  Francois-Xavier Coudert  <[e-mail]>

	* check.c (gfc_check_malloc, gfc_check_free): New functions.
	* gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_MALLOC.
	* intrinsic.c (add_functions): Add symbols for MALLOC function.
	(add_subroutines): Add symbol for FREE subroutine.
	* intrinsic.h: Prototypes for gfc_check_malloc, gfc_check_free,
	gfc_resolve_malloc and gfc_resolve_free.
	* intrinsic.texi: Add doc for FREE and MALLOC intrinsics.
	* iresolve.c (gfc_resolve_malloc, gfc_resolve_free): New
	functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_function): Add case for
	GFC_ISYM_MALLOC.

2005-10-30  Steven Bosscher  <[e-mail]>

	* gfortran.texi: Update contributors.

2005-10-29  Steven Bosscher  <[e-mail]>

	* interface.c: Fix previous checkin (an incomplete patch
	was commited for me).

2005-10-29  Joseph S. Myers  <[e-mail]>

	* intrinsic.texi: Remove empty @cindex line.

2005-10-28  Francois-Xavier Coudert  <[e-mail]>

	* check.c (gfc_check_alarm_sub, gfc_check_signal,
	gfc_check_signal_sub): New functions.
	* gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_SIGNAL.
	* intrinsic.c (add_functions): Add signal intrinsic.
	(add_subroutines): Add signal and alarm intrinsics.
	* intrinsic.texi: Document the new intrinsics.
	* iresolve.c (gfc_resolve_signal, gfc_resolve_alarm_sub,
	gfc_resolve_signal_sub): New functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_function): Add case
	for GFC_ISYM_SIGNAL.
	* intrinsic.h: Add prototypes for gfc_check_alarm_sub,
	gfc_check_signal, gfc_check_signal_sub, gfc_resolve_signal,
	gfc_resolve_alarm_sub, gfc_resolve_signal_sub.

2005-10-28  Steven Bosscher  <[e-mail]>

	PR fortran/24545
	* interface.c (gfc_match_end_interface): Fix typo in 
	INTERFACE_USER_OP case.

2005-10-26  Francois-Xavier Coudert  <[e-mail]>

	PR fortran/15586
	* resolve.c (resolve_symbol): Remove the use of whynot, so that
	error messages are not built from pieces.

2005-10-26  Paul Thomas  <[e-mail]>

	PR fortran/24158
	* decl.c (gfc_match_data_decl): Correct broken bit of code
	that prevents undefined derived types from being used as
	components of another derived type.
	* resolve.c (resolve_symbol): Add backstop error when derived
	type variables arrive here with a type that has no components.

2005-10-25  Jakub Jelinek  <[e-mail]>

	* trans.h (gfc_conv_cray_pointee): Remove.
	* trans-expr.c (gfc_conv_variable): Revert 2005-10-24 change.
	* trans-array.c (gfc_conv_array_parameter): Likewise.
	* trans-decl.c (gfc_conv_cray_pointee): Remove.
	(gfc_finish_cray_pointee): New function.
	(gfc_finish_var_decl): Use it.  Don't return early for Cray
	pointees.
	(gfc_create_module_variable): Revert 2005-10-24 change.
	* decl.c (cray_pointer_decl): Update comment.
	* gfortran.texi: Don't mention Cray pointees aren't visible in the
	debugger.

	* symbol.c (check_conflict): Add conflict between cray_pointee
	and in_common resp. in_equivalence.
	* resolve.c (resolve_equivalence): Revert 2005-10-24 change.

	* module.c (ab_attribute): Add AB_CRAY_POINTER and AB_CRAY_POINTEE.
	(attr_bits): Likewise.
	(mio_symbol_attribute): Save and restore cray_pointe{r,e} attributes.
	(mio_symbol): For cray_pointee write/read cp_pointer reference.

2005-10-25  Feng Wang  <[e-mail]>

	PR fortran/22290
	* trans-decl.c (gfc_add_assign_aux_vars): New function. Add two
	auxiliary variables.
	(gfc_get_symbol_decl): Use it when a variable, including dummy
	argument, is assigned a label.
	(gfc_trans_assign_aux_var): New function. Set initial value of
	the auxiliary variable explicitly.
	(gfc_trans_deferred_vars): Use it.
	* trans-stmt.c (gfc_conv_label_variable): Handle dummy argument.

2005-10-24  Asher Langton  <[e-mail]>

	PR fortran/17031
	PR fortran/22282
	* check.c (gfc_check_loc): New function.
	* decl.c (variable_decl): New variables cp_as and sym.  Added a
	check for variables that have already been declared as Cray
	Pointers, so we can get the necessary attributes without adding
	a new symbol.
	(attr_decl1): Added code to catch pointee symbols and "fix"
	their array specs.
	(cray_pointer_decl): New method.
	(gfc_match_pointer): Added Cray pointer parsing code.
	(gfc_mod_pointee_as): New method.
	* expr.c (gfc_check_assign): Added a check to catch vector-type
	assignments to pointees with an unspecified final dimension.
	* gfortran.h: (GFC_ISYM_LOC): New.
	(symbol_attribute): Added cray_pointer and cray_pointee bits.
	(gfc_array_spec): Added cray_pointee and cp_was_assumed bools.
	(gfc_symbol): Added gfc_symbol *cp_pointer.
	(gfc_option): Added flag_cray_pointer.
	(gfc_add_cray_pointee): Declare.
	(gfc_add_cray_pointer ): Declare.
	(gfc_mod_pointee_as): Declare.
	* intrinsic.c (add_functions): Add code for loc() intrinsic.
	* intrinsic.h (gfc_check_loc): Declare.
	(gfc_resolve_loc): Declare.
	* iresolve.c (gfc_resolve_loc): New.
	* lang.opt: Added fcray-pointer flag.
	* options.c (gfc_init_options): Initialized.
	gfc_match_option.flag_cray_pointer.
	(gfc_handle_option): Deal with -fcray-pointer.
	* parse.c:(resolve_equivalence): Added code prohibiting Cray
	pointees in equivalence statements.
	* resolve.c (resolve_array_ref): Added code to prevent bounds
	checking for Cray Pointee arrays.
	(resolve_equivalence): Prohibited pointees in equivalence
	statements.
	* symbol.c (check_conflict): Added Cray pointer/pointee
	attribute checking.
	(gfc_add_cray_pointer): New.
	(gfc_add_cray_pointee): New.
	(gfc_copy_attr): New code for Cray pointers and pointees.
	* trans-array.c (gfc_trans_auto_array_allocation): Added code to
	prevent space from being allocated for pointees.
	(gfc_conv_array_parameter): Added code to catch pointees and
	correctly set their base address.
	* trans-decl.c (gfc_finish_var_decl): Added code to prevent
	pointee declarations from making it to the back end.
	(gfc_create_module_variable): Same.
	* trans-expr.c (gfc_conv_variable): Added code to detect and
	translate pointees.
	(gfc_conv_cray_pointee): New.
	* trans-intrinsic.c (gfc_conv_intrinsic_loc): New.
	(gfc_conv_intrinsic_function): Added entry point for loc
	translation.
	* trans.h (gfc_conv_cray_pointee): Declare.

	* gfortran.texi: Added section on Cray pointers, removed Cray
	pointers from list of proposed extensions.
	* intrinsic.texi: Added documentation for loc intrinsic.
	* invoke.texi: Documented -fcray-pointer flag.

2005-10-24  Asher Langton  <[e-mail]>

	* decl.c (gfc_match_save): Changed duplicate SAVE errors to
	warnings in the absence of strict standard conformance
	* symbol.c (gfc_add_save): Same.

2005-10-24  Francois-Xavier Coudert  <[e-mail]>

	PR fortran/15586
	* arith.c (gfc_arith_error): Change message to include locus.
	(check_result, eval_intrinsic, gfc_int2int, gfc_real2real,
	gfc_real2complex, gfc_complex2real, gfc_complex2complex): Use
	the new gfc_arith_error.
	(arith_error): Rewrite full error messages instead of building
	them from pieces.
	* check.c (must_be): Removed.
	(type_check, numeric_check, int_or_real_check, real_or_complex_check,
	kind_check, double_check, logical_array_check, array_check,
	scalar_check, same_type_check, rank_check, kind_value_check,
	variable_check, gfc_check_allocated, gfc_check_associated,
	gfc_check_cmplx, gfc_check_dcmplx, gfc_check_dot_product,
	gfc_check_index, gfc_check_kind, gfc_check_matmul, gfc_check_null,
	gfc_check_pack, gfc_check_precision, gfc_check_present,
	gfc_check_spread): Rewrite full error messages instead of
	building them from pieces.
	* decl.c (gfc_match_entry): Rewrite full error messages instead
	of building them from pieces.
	* parse.c (gfc_state_name): Remove.
	* parse.h: Remove prototype for gfc_state_name.

2005-10-23  Andrew Pinski  <[e-mail]>

	PR fortran/23635
	* check.c (gfc_check_ichar_iachar): Move the code around so
	that the check on the length is after check for
	references.

2005-10-23  Asher Langton  <[e-mail]>

	* decl.c (match_type_spec): Add a BYTE type as an extension.

2005-10-23  Paul Thomas  <[e-mail]>

	PR fortran/18022
	* trans-expr.c (gfc_trans_arrayfunc_assign): Return NULL
	if there is a component ref during an array ref to force
	use of temporary in assignment.

	PR fortran/24311
	PR fortran/24384
	* fortran/iresolve.c (check_charlen_present): New function to
	add a charlen to the typespec, in the case of constant
	expressions.
	(gfc_resolve_merge, gfc_resolve_spread): Call.the above.
	(gfc_resolve_spread): Make calls to library functions that
	handle the case of the spread intrinsic with a scalar source.

2005-10-22  Erik Edelmann  <[e-mail]>

	PR fortran/24426
	* decl.c (variable_decl): Don't assign default initializers to
	pointers.

2005-10-21  Jakub Jelinek  <[e-mail]>

	* interface.c (compare_actual_formal): Issue error when attempting
	to pass an assumed-size array as assumed-shape array argument.

2005-10-20  Erik Edelmann  <[e-mail]>

	PR fortran/21625
	* resolve.c (expr_to_initialize): New function.
	(resolve_allocate_expr): Take current statement as new
	argument. Add default initializers to variables of
	derived types, if they need it.
	(resolve_code): Provide current statement as argument to
	resolve_allocate_expr().

2005-10-19  Paul Thomas  <[e-mail]>

	PR fortran/24440
	* resolve.c (resolve_symbol): Correct error in check for
	assumed size array with default initializer by testing
	for arrayspec before dereferencing it.

2005-10-17  Paul Thomas  <[e-mail]>

	PR fortran/23446
	* gfortran.h: Primitive for gfc_is_formal_arg.
	* resolve.c(gfc_is_formal_arg): New function to signal across
	several function calls that formal argument lists are being
	processed.
	(resolve_formal_arglist): Set/reset the flag for gfc_is_formal_arg.