path: root/gcc/fortran/ChangeLog

2006-05-11  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/27553
	* parse.c (next_free): Return instead of calling decode_statement
	upon error.

2005-05-10  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/27470
	* trans-array.c(gfc_array_allocate):  If ref->next exists
	that is if there is a statement like ALLOCATE(foo%bar(2)),
	F95 rules require that bar should be a pointer.

2006-05-10  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/20460
	* resolve.c (gfc_resolve_index): Make REAL array indices a
	GFC_STD_LEGACY feature.

2006-05-10  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/24549
	* parse.c (reject_statement): Clear gfc_new_block.

2006-05-09  Steven G. Kargl  <kargls@comcast.net>

	* invoke.texi: Missed file in previous commit.  Update
	 description of -fall-intrinsics

2006-05-07  Steven Boscher  <steven@gcc.gnu.org>

	PR fortran/27378
	* parse.c (next_statement): Add check to avoid an ICE when
	gfc_current_locus.lb is not set.

2006-05-07  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/27457
	* match.c (match_case_eos): Error out on garbage following
	CASE(...).

2006-05-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24813
	* trans-array.c (get_array_ctor_strlen): Remove static attribute.
	* trans.h: Add prototype for get_array_ctor_strlen.
	* trans-intrinsic.c (gfc_conv_intrinsic_len): Switch on EXPR_ARRAY
	and call get_array_ctor_strlen.

2006-05-05  Steven G. Kargl  <kargls@comcast.net>

	* invoke.texi: Update description of -fall-intrinsics
	* options.c (gfc_post_options): Disable -Wnonstd-intrinsics if
	-fall-intrinsics is used.
	(gfc_handle_option): Permit -Wno-nonstd-intrinsics.

2006-05-04  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

	* simplify.c (ascii_table): Fix wrong entry.

2006-05-02  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/26896
	* lang.opt: Fix -Wtab description

	PR fortran/20248  
	* lang.opt: New flag -fall-intrinsics.
	* invoke.texi:  Document option.
	* gfortran.h (options_t):  New member flag_all_intrinsics.
	* options.c (gfc_init_options, gfc_handle_option): Set new option.
	sort nearby misplaced options.
	* intrinsic.c (add_sym, make_generic, make_alias):  Use it.
 
2006-05-02 Paul Thomas <pault@gcc.gnu.org>

        PR fortran/27269
        * module.c: Add static flag in_load_equiv.
        (mio_expr_ref): Return if no symtree and in_load_equiv.
        (load_equiv): If any of the equivalence members have no symtree, free
        the equivalence and the associated expressions.

        PR fortran/27324
        * trans-common.c (gfc_trans_common): Invert the order of calls to
        finish equivalences and gfc_commit_symbols.

2006-04-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/25681
	* simplify.c (simplify_len): Character variables with constant
	length can be simplified.

2006-04-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR fortran/27351
	* trans-array.c (gfc_conv_array_transpose): Move gcc_assert
	before gfc_conv_expr_descriptor.

2006-04-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25099
	* resolve.c (resolve_call): Check conformity of elemental
	subroutine actual arguments.

2006-04-22  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/26769
	* iresolve.c (gfc_resolve_reshape): Use reshape_r16 for real(16).
	(gfc_resolve_transpose): Use transpose_r16 for real(16).

2006-04-21 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/27122
	* resolve.c (resolve_function): Remove general restriction on auto
	character length function interfaces.
	(gfc_resolve_uops): Check restrictions on defined operator
	procedures.
	(resolve_types): Call the check for defined operators.

	PR fortran/27113
	* trans-array.c (gfc_trans_array_constructor_subarray): Remove
	redundant gfc_todo_error.
	(get_array_ctor_var_strlen): Remove typo in enum.

2006-04-18  Bernhard Fischer  <aldot@gcc.gnu.org>

	* parse.c (next_free): Use consistent error string between
	free-form and fixed-form for illegal statement label of zero.
	(next_fixed): Use consistent warning string between free-form
	and fixed-form for statement labels for empty statements.

2006-04-18  Steve Ellcey  <sje@cup.hp.com>

	* trans-io.c (gfc_build_io_library_fndecls): Align pad.

2006-04-16  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/26017
	* trans-array.c(gfc_array_init_size):  Introduce or_expr
	which is true if the size along any dimension
	is negative.  Create a temporary variable with base
	name size.  If or_expr is true, set the temporary to 0,
	to the normal size otherwise.

2006-04-16  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26822
	* intrinsic.c (add_functions): Mark LOGICAL as elemental.

	PR fortran/26787
	* expr.c (gfc_check_assign): Extend scope of error to include
	assignments to a procedure in the main program or, from a
	module or internal procedure that is not that represented by
	the lhs symbol. Use VARIABLE rather than l-value in message.

	PR fortran/27096
	* trans-array.c (gfc_trans_deferred_array): If the backend_decl
	is not a descriptor, dereference and then test and use the type.

	PR fortran/25597
	* trans-decl.c (gfc_trans_deferred_vars): Check if an array
	result, is also automatic character length.  If so, process
	the character length.

	PR fortran/18803
	PR fortran/25669
	PR fortran/26834
	* trans_intrinsic.c (gfc_walk_intrinsic_bound): Set
	data.info.dimen for bound intrinsics.
	* trans_array.c (gfc_conv_ss_startstride): Pick out LBOUND and
	UBOUND intrinsics and supply their shape information to the ss
	and the loop.

	PR fortran/27124
	* trans_expr.c (gfc_trans_function_call):  Add a new block, post,
	in to which all the argument post blocks are put.  Add this block
	to se->pre after a byref call or to se->post, otherwise.

2006-04-14  Roger Sayle  <roger@eyesopen.com>

	* trans-io.c (set_string): Use fold_build2 and build_int_cst instead
	of build2 and convert to construct "x < 0" rather than "x <= -1".

2006-04-13  Richard Henderson  <rth@redhat.com>

	* trans-openmp.c (gfc_trans_omp_sections): Adjust for changed
	number of operands to OMP_SECTIONS.

2006-04-08  Kazu Hirata  <kazu@codesourcery.com>

	* gfortran.texi: Fix typos.  Follow spelling conventions.
	* resolve.c, trans-expr.c, trans-stmt.c: Fix comment typos.
	Follow spelling conventions.

2006-04-05  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (get_no_elements): Delete function.
	(get_deps): Delete function.
	(transform_sections): Delete function.
	(gfc_check_section_vs_section): Significant rewrite.

2006-04-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR fortran/25619
	* trans-array.c (gfc_conv_expr_descriptor): Only dereference
	character pointer when copying temporary.

	PR fortran/23634
	* trans-array.c (gfc_conv_expr_descriptor): Properly copy
	temporary character with non constant size.

2006-04-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26891
	* trans.h: Prototype for gfc_conv_missing_dummy.
	* trans-expr (gfc_conv_missing_dummy): New function
	(gfc_conv_function_call): Call it and tidy up some of the code.
	* trans-intrinsic (gfc_conv_intrinsic_function_args): The same.

	PR fortran/26976
	* array.c (gfc_array_dimen_size): If available, return shape[dimen].
	* resolve.c (resolve_function): If available, use the argument
	shape for the function expression.
	* iresolve.c (gfc_resolve_transfer): Set shape[0] = size.

2006-04-02  Erik Edelmann  <eedelman@gcc.gnu.org>

	* trans-array.c (gfc_trans_dealloc_allocated): Take a
	tree representation of the array to be deallocated as argument
	instead of its gfc_symbol.
	(gfc_trans_deferred_array): Update call to
	gfc_trans_dealloc_allocated.
	* trans-array.h (gfc_trans_dealloc_allocated): Update
	prototype.
	* trans-expr.c (gfc_conv_function_call): Update call to
	gfc_trans_dealloc_allocated, get indirect reference to dummy
	arguments.

2006-04-01  Roger Sayle  <roger@eyesopen.com>

	PR fortran/25270
	* trans-array.c (gfc_trans_allocate_array_storage): In array index
	calculations use gfc_index_zero_node and gfc_index_one_node instead
	of integer_zero_node and integer_one_node respectively.
	(gfc_conv_array_transpose): Likewise.
	(gfc_conv_ss_startstride): Likewise.
	(gfc_trans_dummy_array_bias): Likewise.

2006-04-01  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_is_inside_range): Delete.
	(gfc_check_element_vs_section): Significant rewrite.

2006-04-01  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_dep_compare_expr): Strip parentheses and unary
	plus operators when comparing expressions.  Handle comparisons of
	the form "X+C vs. X", "X vs. X+C", "X-C vs. X" and "X vs. X-C" where
	C is an integer constant.  Handle comparisons of the form "P+Q vs.
	R+S" and "P-Q vs. R-S".  Handle comparisons of integral extensions
	specially (increasing functions) so extend(A) > extend(B), when A>B.
	(gfc_check_element_vs_element): Move test later, so that we ignore
	the fact that "A < B" or "A > B" when A or B contains a forall index.

2006-03-31  Asher Langton  <langton2@llnl.gov>

	PR fortran/25358
	* expr.c (gfc_check_assign): Allow cray pointee to be assumes-size.
	
2006-03-30  Paul Thomas <paulthomas2@wanadoo.fr>
            Bud Davis  <bdavis9659@sbcglobal.net>

	PR 21130
	* module.c (load_needed): Traverse entire tree before returning.

2006-03-30  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/22375
	* trans.c (gfc_trans_runtime_check): Promote the arguments of
	__builtin_expect to the correct types, and the result back to
	boolean_type_node.

2006-03-29  Carlos O'Donell  <carlos@codesourcery.com>

	* Make-lang.in: Rename docdir to gcc_docdir.

2006-03-28  Steven G. Kargl  <kargls@comcast.net>

	* intrinsic.texi: s/floor/float in previous commit.

2006-03-28 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/26779
	* resolve.c (resolve_fl_procedure): Do not check the access of
	derived types for internal procedures.

2006-03-27  Jakub Jelinek  <jakub@redhat.com>

	* io.c (check_io_constraints): Don't look at
	dt->advance->value.charater.string, unless it is a CHARACTER
	constant.

	* f95-lang.c (gfc_get_alias_set): New function.
	(LANG_HOOKS_GET_ALIAS_SET): Define.

2006-03-25  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/26816
	* intrinsic.c (add_functions): Allow FLOAT to accept all integer kinds.
	* intrinsic.texi: Document FLOAT.

2006-03-25  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/26769
	* iresolve.c (gfc_resolve_reshape):  Remove doubling of
	kind for complex. For real(kind=10), call reshape_r10.
	(gfc_resolve_transpose):  For real(kind=10), call
	transpose_r10.

2006-03-25  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_dependency): Improve handling of pointers;
	Two variables of different types can't have a dependency, and two
	variables with the same symbol are equal, even if pointers.

2006-03-24  Roger Sayle  <roger@eyesopen.com>

	* gfortran.h (gfc_symbol): Add a new "forall_index" bit field.
	* match.c (match_forall_iterator): Set forall_index field on
	the iteration variable's symbol.
	* dependency.c (contains_forall_index_p): New function to
	traverse a gfc_expr to check whether it contains a variable
	with forall_index set in it's symbol.
	(gfc_check_element_vs_element): Return GFC_DEP_EQUAL for scalar
	constant expressions that don't variables used as FORALL indices.

2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	PR driver/22600
	* error.c (gfc_fatal_error): Return ICE_EXIT_CODE instead of 4.

2006-03-22  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/19303
	* gfortran.h (gfc_option_t):  Add record_marker.
	* lang.opt:  Add -frecord-marker=4 and -frecord-marker=8.
	* trans-decl.c:  Add gfor_fndecl_set_record_marker.
	(gfc_build_builtin_function_decls): Set
	gfor_fndecl_set_record_marker.
	(gfc_generate_function_code):  If we are in the main program
	and -frecord-marker was provided, call set_record_marker.
	* options.c (gfc_handle_option):  Add handling for
	-frecord-marker=4 and -frecord-marker=8.
	* invoke.texi:  Document -frecord-marker.

2006-03-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/17298
	* trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): New
	function to implement array valued TRANSFER intrinsic.
	(gfc_conv_intrinsic_function): Call the new function if TRANSFER
	and non-null se->ss.
	(gfc_walk_intrinsic_function): Treat TRANSFER as one of the
	special cases by calling gfc_walk_intrinsic_libfunc directly.

2006-03-21  Toon Moene  <toon@moene.indiv.nluug.nl>

	* options.c (gfc_init_options): Initialize
	flag_argument_noalias to 3.

2006-03-20  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/20935
	* iresolve.c (gfc_resolve_maxloc):   If mask is scalar,
	prefix the function name with an "s".  If the mask is scalar
	or if its kind is smaller than gfc_default_logical_kind,
	coerce it to default kind.
	(gfc_resolve_maxval):  Likewise.
	(gfc_resolve_minloc):  Likewise.
	(gfc_resolve_minval):  Likewise.
	(gfc_resolve_product):  Likewise.
	(gfc_resolve_sum):  Likewise.

2006-03-19  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26741
	*expr.c (external_spec_function): Permit elemental functions.

	PR fortran/26716
	*interface.c (compare_actual_formal): Detect call for procedure
	usage and require rank checking, in this case, for assumed shape
	and deferred shape arrays.
	(gfc_procedure_use): Revert to pre-PR25070 call to
	compare_actual_formal that does not require rank checking..

2006-03-16  Roger Sayle  <roger@eyesopen.com>

	* gfortran.h (gfc_equiv_info): Add length field.
	* trans-common.c (copy_equiv_list_to_ns): Set the length field.
	* dependency.c (gfc_are_equivalenced_arrays): Use both the offset
	and length fields to determine whether the two equivalenced symbols
	overlap in memory.

2006-03-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/19101
	* gfortran.h: Add warn_ampersand.
	* invoke.texi: Add documentation for new option.
	* lang.opt: Add Wampersand.
	* options.c (gfc_init_options): Initialize warn_ampersand.
	(gfc_post_options): Set the warn if pedantic.
	(set_Wall): Set warn_ampersand.
	(gfc_handle_option: Add Wampersand for itself, -std=f95, and -std=f2003.
	* scanner.c (gfc_next_char_literal): Add test for missing '&' in
	continued character constant and give warning if missing.

2006-03-14  Steven G. Kargl  <kargls@comcast.net>

	PR 18537
	* gfortran.h: Wrap Copyright line.
	(gfc_option_t): add warn_tabs member.
	* lang.opt: Update Coyright year.  Add the Wtabs.
	* invoke.texi: Document -Wtabs.
	* scanner.c (gfc_gobble_whitespace): Use warn_tabs.  Add linenum to
	suppress multiple warnings.
	(load_line): Use warn_tabs.  Add linenum, current_line, seen_comment
	to suppress multiple warnings.
	* options.c (gfc_init_options): Initialize warn_tabs.
	(set_Wall): set warn_tabs for -Wall.
	(gfc_post_options): Adjust flag_tabs depending on -pedantic.
	(gfc_handle_option):  Process command-line option -W[no-]tabs

2006-03-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25378
	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Set the initial position to zero and
	modify the condition for updating it, to implement the F2003 requirement for all(mask)
	is false.

2006-03-13  Jakub Jelinek  <jakub@redhat.com>

	* trans-openmp.c (gfc_trans_omp_variable): Handle references
	to parent result.
	* trans-expr.c (gfc_conv_variable): Remove useless setting
	of parent_flag, formatting.

	* trans-decl.c (gfc_get_fake_result_decl): Re-add setting of
	GFC_DECL_RESULT flag.

2003-03-11  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_dep_compare_expr) <EXPR_OP>: Allow unary and
	binary operators to compare equal if their operands are equal.
	<EXPR_FUNCTION>: Allow "constant" intrinsic conversion functions
	to compare equal, if their operands are equal.

2006-03-11  Erik Edelmann  <eedelman@gcc.gnu.org>

	* symbol.c (check_conflict): Allow allocatable function results,
	except for elemental functions.
	* trans-array.c (gfc_trans_allocate_temp_array): Rename to ...
	(gfc_trans_create_temp_array): ... this, and add new argument
	callee_alloc.
	(gfc_trans_array_constructor, gfc_conv_loop_setup): Update call
	to gfc_trans_allocate_temp_array.
	* trans-array.h (gfc_trans_allocate_temp_array): Update prototype.
	* trans-expr.c (gfc_conv_function_call): Use new arg of
	gfc_trans_create_temp_array avoid pre-allocation of temporary
	result variables of pointer AND allocatable functions.
	(gfc_trans_arrayfunc_assign): Return NULL for allocatable
	functions.
	* resolve.c (resolve_symbol): Copy value of 'allocatable' attribute
	from sym->result to sym.

2006-03-09  Erik Edelmann  <eedelman@gcc.gnu.org>

	* trans-expr.c (gfc_add_interface_mapping): Copy 'allocatable'
	attribute from sym to new_sym.  Call build_fold_indirect_ref()
	for allocatable arguments.

2006-03-09 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/26257
	* trans-array.c (gfc_conv_expr_descriptor): Exclude calculation of
	the offset and data when se->data_not_needed is set.
	* trans.h: Include the data_not_need bit in gfc_se.
	* trans-intrinsic.c (gfc_conv_intrinsic_size): Set it for SIZE.

2006-03-06  Paul Thomas  <pault@gcc.gnu.org>
            Erik Edelmann  <eedelman@gcc.gnu.org>

	* trans-array.c (gfc_trans_dealloc_allocated): New function.
	(gfc_trans_deferred_array): Use it, instead of inline code.
	* trans-array.h: Prototype for gfc_trans_dealloc_allocated().
	* trans-expr.c (gfc_conv_function_call): Deallocate allocated
	ALLOCATABLE, INTENT(OUT) arguments upon procedure entry.

2006-03-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26107
	* resolve.c (resolve_function): Add name after test for pureness.

	PR fortran/19546
	* trans-expr.c (gfc_conv_variable): Detect reference to parent result,
	store current_function_decl, replace with parent, whilst calls are
	made to gfc_get_fake_result_decl, and restore afterwards. Signal this
	to gfc_get_fake_result_decl with a new argument, parent_flag.
	* trans-stmt.c (gfc_trans_return): gfc_get_fake_result_decl 2nd arg
	is set to zero.
	* trans.h: Add parent_flag to gfc_get_fake_result_decl prototype.
	* trans-decl.c (gfc_get_fake_result_decl): On parent_flag, being set,
	add decl to parent function. Replace refs to current_fake_result_decl
	with refs to this_result_decl.
	(gfc_generate_function_code): Null parent_fake_result_decl before the
	translation of code for contained procedures. Set parent_flag to zero
	in call to gfc_get_fake_result_decl.
	* trans-intrinsic.c (gfc_conv_intrinsic_len): The same.

2006-03-05  Steven G. Kargl  <kargls@comcast.net>

	* simplify.c (gfc_simplify_verify):  Fix return when SET=''.

2006-03-05  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/16136
	* symbol.c (conf_std): New macro.
	(check_conflict): Use it to allow ALLOCATABLE dummy
	arguments for F2003.
	* trans-expr.c (gfc_conv_function_call): Pass the
	address of the array descriptor when dummy argument is
	ALLOCATABLE.
	* interface.c (compare_allocatable): New function.
	(compare_actual_formal): Use it.
	* resolve.c (resolve_deallocate_expr,
	resolve_allocate_expr): Check that INTENT(IN) variables
	aren't (de)allocated.
	* gfortran.texi (Fortran 2003 status): List ALLOCATABLE
	dummy arguments as supported.

2006-03-03  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_element_vs_element): Revert last change.

2006-03-03  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_element_vs_element): Consider two
	unordered scalar subscripts as (potentially) equal.

2006-03-03  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_dependency): Call gfc_dep_resolver to
	check whether two array references have a dependency.
	(gfc_check_element_vs_element): Assume lref and rref must be
	REF_ARRAYs.  If gfc_dep_compare_expr returns -2, assume these
	references could potentially overlap.
	(gfc_dep_resolver): Whitespace and comment tweaks.  Assume a
	dependency if the references have different depths.  Rewrite
	final term to clarrify we only have a dependency for overlaps.

2006-03-03  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/25031
	* trans-array.h:  Adjust gfc_array_allocate prototype.
	* trans-array.c (gfc_array_allocate):  Change type of
	gfc_array_allocatate to bool.  Function returns true if
	it operates on an array.  Change second argument to gfc_expr.
	Find last reference in chain.
	If the function operates on an allocatable array, emit call to
	allocate_array() or allocate64_array().
	* trans-stmt.c (gfc_trans_allocate):  Code to follow to last
	reference has been moved to gfc_array_allocate.
	* trans.h:  Add declaration for gfor_fndecl_allocate_array and
	gfor_fndecl_allocate64_array.
	(gfc_build_builtin_function_decls):  Add gfor_fndecl_allocate_array
	and gfor_fndecl_allocate64_array.

2006-03-01  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (generate_loop_for_temp_to_lhs): Add an additional
	INVERT argument to invert the sense of the WHEREMASK argument.
	Remove unneeded code to AND together a list of masks.
	(generate_loop_for_rhs_to_temp): Likewise.
	(gfc_trans_assign_need_temp): Likewise.
	(gfc_trans_forall_1): Likewise.
	(gfc_evaluate_where_mask): Likewise, add a new INVERT argument
	to specify the sense of the MASK argument.
	(gfc_trans_where_assign): Likewise.
	(gfc_trans_where_2): Likewise.  Restructure code that decides
	whether we need to allocate zero, one or two temporary masks.
	If this is a top-level WHERE (i.e. the incoming MASK is NULL),
	we only need to allocate at most one temporary mask, and can
	invert it's sense to provide the complementary pending execution
	mask.  Only calculate the size of the required temporary arrays
	if we need any.
	(gfc_trans_where): Update call to gfc_trans_where_2.

2006-03-01  Paul Thomas  <pault@gcc.gnu.org>

	* iresolve.c (gfc_resolve_dot_product):  Remove any difference in
	treatment of logical types.
	* trans-intrinsic.c (gfc_conv_intrinsic_dot_product):  New function. 

	PR fortran/26393
	* trans-decl.c (gfc_get_symbol_decl): Extend condition that symbols
	must be referenced to include unreferenced symbols in an interface
	body. 

	PR fortran/20938
	* trans-array.c (gfc_conv_resolve_dependencies): Add call to
	gfc_are_equivalenced_arrays.
	* symbol.c (gfc_free_equiv_infos, gfc_free_equiv_lists): New
	functions. (gfc_free_namespace): Call them.
	* trans-common.c (copy_equiv_list_to_ns): New function.
	(add_equivalences): Call it.
	* gfortran.h: Add equiv_lists to gfc_namespace and define
	gfc_equiv_list and gfc_equiv_info.
	* dependency.c (gfc_are_equivalenced_arrays): New function.
	(gfc_check_dependency): Call it.
	* dependency.h: Prototype for gfc_are_equivalenced_arrays.

2006-03-01  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_is_same_range): Compare the stride, lower and
	upper bounds when testing array reference ranges for equality.
	(gfc_check_dependency): Fix indentation whitespace.
	(gfc_check_element_vs_element): Likewise.
	(gfc_dep_resolver): Likewise.

2006-02-28  Thomas Koenig  <Thomas.Koenig@online.de>

	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc):
	If the mask expression exists and has rank 0, enclose the
	generated loop in an "if (mask)".  Put the default
	initialization into the else branch.

2006-02-25  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/23092
	* trans-intrinsic.c (gfc_conv_intrinsic_arith):  If the
	mask expression exists and has rank 0, enclose the generated
	loop in an "if (mask)".
	* (gfc_conv_intrinsic_minmaxloc):  Likewise.

2006-02-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26409
	* resolve.c (resolve_contained_functions, resolve_types,
	gfc_resolve): Revert patch of 2006-02-19.

2006-02-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24519
	* dependency.c (gfc_is_same_range): Correct typo.
	(gfc_check_section_vs_section): Call gfc_is_same_range.

	PR fortran/25395
	* trans-common.c (add_equivalences): Add a new flag that is set when
	an equivalence is seen that prevents more from being reset until the
	start of a new traversal of the list, thus ensuring completion of
	all the equivalences.

2006-02-23  Erik Edelmann  <eedelman@gcc.gnu.org>

	* module.c (read_module): Remove redundant code lines.

2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
	* Make-lang.in (FORTRAN): Remove
	(.PHONY): Remove F95 and f95. Add fortran

2006-02-20  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (gfc_trans_where_2): Avoid updating unused current
	execution mask for empty WHERE/ELSEWHERE clauses.  Don't allocate
	temporary mask arrays if they won't be used.

2006-02-20  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (gfc_trans_where_assign): Remove code to handle
	traversing a linked list of MASKs.  The MASK is now always a
	single element requiring no ANDing during the assignment.

2006-02-19  Thomas Koenig  <Thomas.Koenig@online.de>

        * gfortran.texi:  Document environment variables which
        influence runtime behavior.

2006-02-19  H.J. Lu  <hongjiu.lu@intel.com>

	* resolve.c (resolve_contained_functions): Call resolve_entries
	first.
	(resolve_types): Remove calls to resolve_entries and
	resolve_contained_functions.
	(gfc_resolve): Call resolve_contained_functions.

2006-02-19  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/26201
	* intrinsic.c (gfc_convert_type_warn): Call
	gfc_intrinsic_symbol() on the newly created symbol.

2006-02-19  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25054
	* resolve.c (is_non_constant_shape_array): New function.
	(resolve_fl_variable): Remove code for the new function and call it.
	(resolve_fl_namelist): New function.  Add test for namelist array
	with non-constant shape, using is_non_constant_shape_array.
	(resolve_symbol): Remove code for resolve_fl_namelist and call it.

	PR fortran/25089
	* match.c (match_namelist): Increment the refs field of an accepted
	namelist object symbol.
	* resolve.c (resolve_fl_namelist): Test namelist objects for a conflict
	with contained or module procedures.

2006-02-18  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (struct temporary_list): Delete.
	(gfc_trans_where_2): Major reorganization.  Remove no longer needed
	TEMP argument.  Allocate and deallocate the control mask and
	pending control mask locally.
	(gfc_trans_forall_1): Delete TEMP local variable, and update
	call to gfc_trans_where_2.  No need to deallocate arrays after.
	(gfc_evaluate_where_mask): Major reorganization.  Change return
	type to void.  Pass in parent execution mask, MASK, and two
	already allocated mask arrays CMASK and PMASK.  On return
	CMASK := MASK & COND, PMASK := MASK & !COND.  MASK, CMASK and
	CMASK may all be NULL, or refer to the same temporary arrays.
	(gfc_trans_where): Update call to gfc_trans_where_2.  We no
	longer need a TEMP variable or to deallocate temporary arrays
	allocated by gfc_trans_where_2.

2006-02-18   Danny Smith  <dannysmith@users.sourceforeg.net>

	* gfortran.h (gfc_add_attribute): Change uint to unsigned int.
	* symbol.c (gfc_add_attribute): Likewise for definition.
	* resolve.c (resolve_global_procedure): Likewise for variable 'type'.

2006-02-17  Richard Sandiford  <richard@codesourcery.com>

	* trans-common.c: Include rtl.h earlier.
	* trans-decl.c: Likewise.

2006-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/26224
	* parse.c (parse_omp_do, parse_omp_structured_block): Call
	gfc_commit_symbols and gfc_warning_check.

	* openmp.c (resolve_omp_clauses): Add a dummy case label to workaround
	PR middle-end/26316.

2006-02-16  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24557
	* trans-expr.c (gfc_add_interface_mapping): Use the actual argument
	for character(*) arrays, rather than casting to the type and kind
	parameters of the formal argument.

2006-02-15  Toon Moene  <toon@moene.indiv.nluug.nl>

	PR fortran/26054
	* options.c: Do not warn for Fortran 2003 features by default.

2006-02-15  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

	* check.c: Update copyright years.
	
	* check.c (gfc_check_minloc_maxloc, check_reduction): Don't call
	dim_range_check on not-present optional dim argument.

2006-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR libgomp/25938
	PR libgomp/25984
	* Make-lang.in (install-finclude-dir): New goal.
	(fortran.install-common): Depend on install-finclude-dir.
	* lang-specs.h: If not -nostdinc, add -I finclude.

2006-02-14  Thomas Koenig  <Thomas.Koenig@online.de>

        PR fortran/25045
        * check.c (dim_check):  Perform all checks if dim is optional.
        (gfc_check_minloc_maxloc):  Use dim_check and dim_rank_check
        to check dim argument.
        (check_reduction):  Likewise.

2006-02-14  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/26277
	* io.c (match_ltag): Mark label as referenced.

2006-02-14  Jakub Jelinek  <jakub@redhat.com>
	    Richard Henderson  <rth@redhat.com>
	    Diego Novillo  <dnovillo@redhat.com>

	* invoke.texi: Document -fopenmp.
	* gfortran.texi (Extensions): Document OpenMP.

	Backport from gomp-20050608-branch
	* trans-openmp.c: Call build_omp_clause instead of
	make_node when creating OMP_CLAUSE_* trees.
	(gfc_trans_omp_reduction_list): Remove argument 'code'.
	Adjust all callers.

	* trans.h (build4_v): Define.
	* trans-openmp.c: Call build4_v to create OMP_PARALLEL nodes.
	Call build3_v to create OMP_SECTIONS nodes.

	PR fortran/25162
	* openmp.c (gfc_match_omp_variable_list): Call gfc_set_sym_referenced
	on all symbols added to the variable list.

	* openmp.c (gfc_match_omp_clauses): Fix check for non-INTRINSIC
	procedure symbol in REDUCTION.

	* trans-openmp.c (gfc_trans_omp_array_reduction): Use gfc_add
	for MINUS_EXPR OMP_CLAUSE_REDUCTION_CODE.

	* trans-openmp.c (gfc_trans_omp_do): Add PBLOCK argument.  If PBLOCK
	is non-NULL, evaluate INIT/COND/INCR and chunk size expressions in
	that statement block.
	(gfc_trans_omp_parallel_do): Pass non-NULL PBLOCK to gfc_trans_omp_do
	for non-ordered non-static combined loops.
	(gfc_trans_omp_directive): Pass NULL PBLOCK to gfc_trans_omp_do.

	* openmp.c: Include target.h and toplev.h.
	(gfc_match_omp_threadprivate): Emit diagnostic if target does
	not support TLS.
	* Make-lang.in (fortran/openmp.o): Add dependencies on
	target.h and toplev.h.

	* trans-decl.c (gfc_get_fake_result_decl): Set GFC_DECL_RESULT.
	* trans-openmp.c (gfc_omp_privatize_by_reference): Make
	DECL_ARTIFICIAL vars predetermined shared except GFC_DECL_RESULT.
	(gfc_omp_disregard_value_expr): Handle GFC_DECL_RESULT.
	(gfc_trans_omp_variable): New function.
	(gfc_trans_omp_variable_list, gfc_trans_omp_reduction_list): Use it.
	* trans.h (GFC_DECL_RESULT): Define.

	* trans-openmp.c (gfc_omp_firstprivatize_type_sizes): New function.
	* f95-lang.c (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
	* trans.h (gfc_omp_firstprivatize_type_sizes): New prototype.

	* trans-openmp.c (gfc_omp_privatize_by_reference): Return
	true if a pointer has GFC_DECL_SAVED_DESCRIPTOR set.
	(gfc_trans_omp_array_reduction, gfc_trans_omp_reduction_list): New
	functions.
	(gfc_trans_omp_clauses): Add WHERE argument.  Call
	gfc_trans_omp_reduction_list rather than gfc_trans_omp_variable_list
	for reductions.
	(gfc_trans_omp_do, gfc_trans_omp_parallel, gfc_trans_omp_parallel_do,
	gfc_trans_omp_parallel_sections, gfc_trans_omp_parallel_workshare,
	gfc_trans_omp_sections, gfc_trans_omp_single): Adjust
	gfc_trans_omp_clauses callers.

	* openmp.c (omp_current_do_code): New var.
	(gfc_resolve_omp_do_blocks): New function.
	(gfc_resolve_omp_parallel_blocks): Call it.
	(gfc_resolve_do_iterator): Add CODE argument.  Don't propagate
	predetermination if argument is !$omp do or !$omp parallel do
	iteration variable.
	* resolve.c (resolve_code): Call gfc_resolve_omp_do_blocks
	for EXEC_OMP_DO.  Adjust gfc_resolve_do_iterator caller.
	* fortran.h (gfc_resolve_omp_do_blocks): New prototype.
	(gfc_resolve_do_iterator): Add CODE argument.

	* trans.h (gfc_omp_predetermined_sharing,
	gfc_omp_disregard_value_expr, gfc_omp_private_debug_clause): New
	prototypes.
	(GFC_DECL_COMMON_OR_EQUIV, GFC_DECL_CRAY_POINTEE): Define.
	* trans-openmp.c (gfc_omp_predetermined_sharing,
	gfc_omp_disregard_value_expr, gfc_omp_private_debug_clause): New
	functions.
	* trans-common.c (build_equiv_decl, build_common_decl,
	create_common): Set GFC_DECL_COMMON_OR_EQUIV flag on the decls.
	* trans-decl.c (gfc_finish_cray_pointee): Set GFC_DECL_CRAY_POINTEE
	on the decl.
	* f95-lang.c (LANG_HOOKS_OMP_PREDETERMINED_SHARING,
	LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
	LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE): Define.

	* openmp.c (resolve_omp_clauses): Remove extraneous comma.

	* symbol.c (check_conflict): Add conflict between cray_pointee and
	threadprivate.
	* openmp.c (gfc_match_omp_threadprivate): Fail if
	gfc_add_threadprivate returned FAILURE.
	(resolve_omp_clauses): Diagnose Cray pointees in SHARED,
	{,FIRST,LAST}PRIVATE and REDUCTION clauses and Cray pointers in
	{FIRST,LAST}PRIVATE and REDUCTION clauses.

	* resolve.c (omp_workshare_flag): New variable.
	(resolve_function): Diagnose use of non-ELEMENTAL user defined
	function in WORKSHARE construct.
	(resolve_code): Cleanup forall_save use.  Make sure omp_workshare_flag
	is set to correct value in different contexts.

	* openmp.c (resolve_omp_clauses): Replace %s with '%s' when printing
	variable name.
	(resolve_omp_atomic): Likewise.

	PR fortran/24493
	* scanner.c (skip_free_comments): Set at_bol at the beginning of the
	loop, not before it.
	(skip_fixed_comments): Handle ! comments in the middle of line here
	as well.
	(gfc_skip_comments): Use skip_fixed_comments for FIXED_FORM even if
	not at BOL.
	(gfc_next_char_literal): Fix expected canonicalized *$omp string.

	* trans-openmp.c (gfc_trans_omp_do): Use make_node and explicit
	initialization to build OMP_FOR instead of build.

	* trans-decl.c (gfc_gimplify_function): Invoke
	diagnose_omp_structured_block_errors.

	* trans-openmp.c (gfc_trans_omp_master): Use OMP_MASTER.
	(gfc_trans_omp_ordered): Use OMP_ORDERED.

	* gfortran.h (gfc_resolve_do_iterator, gfc_resolve_blocks,
	gfc_resolve_omp_parallel_blocks): New prototypes.
	* resolve.c (resolve_blocks): Renamed to...
	(gfc_resolve_blocks): ... this.  Remove static.
	(gfc_resolve_forall): Adjust caller.
	(resolve_code): Only call gfc_resolve_blocks if code->block != 0
	and not for EXEC_OMP_PARALLEL* directives.  Call
	gfc_resolve_omp_parallel_blocks for EXEC_OMP_PARALLEL* directives.
	Call gfc_resolve_do_iterator if resolved successfully EXEC_DO
	iterator.
	* openmp.c: Include pointer-set.h.
	(omp_current_ctx): New variable.
	(gfc_resolve_omp_parallel_blocks, gfc_resolve_do_iterator): New
	functions.
	* Make-lang.in (fortran/openmp.o): Depend on pointer-set.h.

	* openmp.c (gfc_match_omp_clauses): For max/min/iand/ior/ieor,
	look up symbol if it exists, use its name instead and, if it is not
	INTRINSIC, issue diagnostics.

	* parse.c (parse_omp_do): Handle implied end do properly.
	(parse_executable): If parse_omp_do returned ST_IMPLIED_ENDDO,
	return it instead of continuing.

	* trans-openmp.c (gfc_trans_omp_critical): Update for changed
	operand numbering.
	(gfc_trans_omp_do, gfc_trans_omp_parallel, gfc_trans_omp_parallel_do,
	gfc_trans_omp_parallel_sections, gfc_trans_omp_parallel_workshare,
	gfc_trans_omp_sections, gfc_trans_omp_single): Likewise.

	* trans.h (gfc_omp_privatize_by_reference): New prototype.
	* f95-lang.c (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Redefine
	to gfc_omp_privatize_by_reference.
	* trans-openmp.c (gfc_omp_privatize_by_reference): New function.

	* trans-stmt.h (gfc_trans_omp_directive): Add comment.

	* openmp.c (gfc_match_omp_variable_list): Add ALLOW_COMMON argument.
	Disallow COMMON matching if it is set.
	(gfc_match_omp_clauses, gfc_match_omp_flush): Adjust all callers.
	(resolve_omp_clauses): Show locus in error messages.  Check that
	variable types in reduction clauses are appropriate for reduction
	operators.

	* resolve.c (resolve_symbol): Don't error if a threadprivate module
	variable isn't SAVEd.

	* trans-openmp.c (gfc_trans_omp_do): Put count into BLOCK, not BODY.
	Fix typo in condition.  Fix DOVAR initialization.

	* openmp.c (gfc_match_omp_clauses): Match min/iand/ior/ieor
	rather than .min. etc.

	* trans-openmpc.c (omp_not_yet): Remove.
	(gfc_trans_omp_parallel_do): Keep listprivate clause on parallel.
	Force creation of BIND_EXPR around the workshare construct.
	(gfc_trans_omp_parallel_sections): Likewise.
	(gfc_trans_omp_parallel_workshare): Likewise.

	* types.def (BT_I16, BT_FN_I16_VPTR_I16,
	BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.

	* trans-openmp.c (gfc_trans_omp_clauses): Create OMP_CLAUSE_DEFAULT.
	(gfc_trans_omp_code): New function.
	(gfc_trans_omp_do): Use it, remove omp_not_yet uses.
	(gfc_trans_omp_parallel, gfc_trans_omp_single): Likewise.
	(gfc_trans_omp_sections): Likewise.  Only treat empty last section
	specially if lastprivate clause is present.
	* f95-lang.c (gfc_init_builtin_functions): Create BUILT_IN_TRAP
	builtin.

	* trans-openmp.c (gfc_trans_omp_variable_list): Update for
	OMP_CLAUSE_DECL name change.
	(gfc_trans_omp_do): Likewise.

	* trans-openmp.c (gfc_trans_omp_clauses): Create OMP_CLAUSE_REDUCTION
	clauses.
	(gfc_trans_omp_atomic): Build OMP_ATOMIC instead of expanding
	sync builtins directly.
	(gfc_trans_omp_single): Build OMP_SINGLE statement.

	* trans-openmp.c (gfc_trans_add_clause): New.
	(gfc_trans_omp_variable_list): Take a tree code and build the clause
	node here.  Link it to the head of a list.
	(gfc_trans_omp_clauses): Update to match.
	(gfc_trans_omp_do): Use gfc_trans_add_clause.

	* trans-openmp.c (gfc_trans_omp_clauses): Change second argument to
	gfc_omp_clauses *.  Use gfc_evaluate_now instead of creating
	temporaries by hand.
	(gfc_trans_omp_atomic, gfc_trans_omp_critical): Use buildN_v macros.
	(gfc_trans_omp_do): New function.
	(gfc_trans_omp_master): Dont' check for gfc_trans_code returning NULL.
	(gfc_trans_omp_parallel): Adjust gfc_trans_omp_clauses caller.
	Use buildN_v macros.
	(gfc_trans_omp_parallel_do, gfc_trans_omp_parallel_sections,
	gfc_trans_omp_parallel_workshare, gfc_trans_omp_sections,
	gfc_trans_omp_single, gfc_trans_omp_workshare): New functions.
	(gfc_trans_omp_directive): Use them.
	* parse.c (parse_omp_do): Allow new_st.op == EXEC_NOP.
	* openmp.c (resolve_omp_clauses): Check for list items present
	in multiple clauses.
	(resolve_omp_do): Check that iteration variable is not THREADPRIVATE
	and is not present in any clause variable lists other than PRIVATE
	or LASTPRIVATE.

	* gfortran.h (symbol_attribute): Add threadprivate bit.
	(gfc_common_head): Add threadprivate member, change use_assoc
	and saved into char to save space.
	(gfc_add_threadprivate): New prototype.
	* symbol.c (check_conflict): Handle threadprivate.
	(gfc_add_threadprivate): New function.
	(gfc_copy_attr): Copy threadprivate.
	* trans-openmp.c (gfc_trans_omp_clauses): Avoid creating a temporary
	if IF or NUM_THREADS is constant.  Create OMP_CLAUSE_SCHEDULE and
	OMP_CLAUSE_ORDERED.
	* resolve.c (resolve_symbol): Complain if a THREADPRIVATE symbol
	outside a module and not in COMMON has is not SAVEd.
	(resolve_equivalence): Ensure THREADPRIVATE objects don't get
	EQUIVALENCEd.
	* trans-common.c: Include target.h and rtl.h.
	(build_common_decl): Set DECL_TLS_MODEL if THREADPRIVATE.
	* trans-decl.c: Include rtl.h.
	(gfc_finish_var_decl): Set DECL_TLS_MODEL if THREADPRIVATE.
	* dump-parse-tree.c (gfc_show_attr): Handle THREADPRIVATE.
	* Make-lang.in (fortran/trans-decl.o): Depend on $(RTL_H).
	(fortran/trans-common.o): Depend on $(RTL_H) and $(TARGET_H).
	* openmp.c (gfc_match_omp_variable_list): Ensure COMMON block
	is from current namespace.
	(gfc_match_omp_threadprivate): Rewrite.
	(resolve_omp_clauses): Check some clause restrictions.
	* module.c (ab_attribute): Add AB_THREADPRIVATE.
	(attr_bits): Add THREADPRIVATE.
	(mio_symbol_attribute, mio_symbol_attribute): Handle threadprivate.
	(load_commons, write_common, write_blank_common): Adjust for type
	change of saved, store/load threadprivate bit from the integer
	as well.

	* types.def (BT_FN_UINT_UINT): New.
	(BT_FN_VOID_UINT_UINT): Remove.

	* trans-openmp.c (gfc_trans_omp_clauses, gfc_trans_omp_barrier,
	gfc_trans_omp_critical, gfc_trans_omp_flush, gfc_trans_omp_master,
	gfc_trans_omp_ordered, gfc_trans_omp_parallel): New functions.
	(gfc_trans_omp_directive): Use them.

	* openmp.c (expr_references_sym): Add SE argument, don't look
	into SE tree.
	(is_conversion): New function.
	(resolve_omp_atomic): Adjust expr_references_sym callers.  Handle
	promoted expressions.
	* trans-openmp.c (gfc_trans_omp_atomic): New function.
	(gfc_trans_omp_directive): Call it.

	* f95-lang.c (builtin_type_for_size): New function.
	(gfc_init_builtin_functions): Initialize synchronization and
	OpenMP builtins.
	* types.def: New file.
	* Make-lang.in (f95-lang.o): Depend on $(BUILTINS_DEF) and
	fortran/types.def.

	* trans-openmp.c: Rename GOMP_* tree codes into OMP_*.

	* dump-parse-tree.c (show_symtree): Don't crash if ns->proc_name
	is NULL.

	* dump-parse-tree.c (gfc_show_namelist, gfc_show_omp_node): New
	functions.
	(gfc_show_code_node): Call gfc_show_omp_node for EXEC_OMP_* nodes.

	* parse.c (parse_omp_do): Call pop_state before next_statement.
	* openmp.c (expr_references_sym, resolve_omp_atomic, resolve_omp_do):
	New functions.
	(gfc_resolve_omp_directive): Call them.
	* match.c (match_exit_cycle): Issue error if EXIT or CYCLE statement
	leaves an OpenMP structured block or if EXIT terminates !$omp do
	loop.

	* Make-lang.in (F95_PARSER_OBJS): Add fortran/openmp.o.
	(F95_OBJS): Add fortran/trans-openmp.o.
	(fortran/trans-openmp.o): Depend on $(GFORTRAN_TRANS_DEPS).
	* lang.opt: Add -fopenmp option.
	* options.c (gfc_init_options): Initialize it.
	(gfc_handle_option): Handle it.
	* gfortran.h (ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL,
	ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER,
	ST_OMP_END_ORDERED, ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO,
	ST_OMP_END_PARALLEL_SECTIONS, ST_OMP_END_PARALLEL_WORKSHARE,
	ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, ST_OMP_END_WORKSHARE,
	ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED,
	ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS,
	ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION,
	ST_OMP_SINGLE, ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE): New
	statement codes.
	(OMP_LIST_PRIVATE, OMP_LIST_FIRSTPRIVATE, OMP_LIST_LASTPRIVATE,
	OMP_LIST_COPYPRIVATE, OMP_LIST_SHARED, OMP_LIST_COPYIN,
	OMP_LIST_PLUS, OMP_LIST_REDUCTION_FIRST, OMP_LIST_MULT,
	OMP_LIST_SUB, OMP_LIST_AND, OMP_LIST_OR, OMP_LIST_EQV,
	OMP_LIST_NEQV, OMP_LIST_MAX, OMP_LIST_MIN, OMP_LIST_IAND,
	OMP_LIST_IOR, OMP_LIST_IEOR, OMP_LIST_REDUCTION_LAST, OMP_LIST_NUM):
	New OpenMP variable list types.
	(gfc_omp_clauses): New typedef.
	(gfc_get_omp_clauses): Define.
	(EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
	EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
	EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
	EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
	EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
	EXEC_OMP_END_SINGLE): New OpenMP gfc_exec_op codes.
	(struct gfc_code): Add omp_clauses, omp_name, omp_namelist
	and omp_bool fields to ext union.
	(flag_openmp): Declare.
	(gfc_free_omp_clauses, gfc_resolve_omp_directive): New prototypes.
	* scanner.c (openmp_flag, openmp_locus): New variables.
	(skip_free_comments, skip_fixed_comments, gfc_next_char_literal):
	Handle OpenMP directive lines and conditional compilation magic
	comments.
	* parse.h (COMP_OMP_STRUCTURED_BLOCK): New compile state.
	* parse.c (decode_omp_directive, parse_omp_do, parse_omp_atomic,
	parse_omp_structured_block): New functions.
	(next_free, next_fixed): Parse OpenMP directives.
	(case_executable, case_exec_markers, case_decl): Add ST_OMP_*
	codes.
	(gfc_ascii_statement): Handle ST_OMP_* codes.
	(parse_executable): Rearrange the loop slightly, so that
	parse_omp_do can return next_statement.
	* match.h (gfc_match_omp_eos, gfc_match_omp_atomic,
	gfc_match_omp_barrier, gfc_match_omp_critical, gfc_match_omp_do,
	gfc_match_omp_flush, gfc_match_omp_master, gfc_match_omp_ordered,
	gfc_match_omp_parallel, gfc_match_omp_parallel_do,
	gfc_match_omp_parallel_sections, gfc_match_omp_parallel_workshare,
	gfc_match_omp_sections, gfc_match_omp_single,
	gfc_match_omp_threadprivate, gfc_match_omp_workshare,
	gfc_match_omp_end_nowait, gfc_match_omp_end_single): New prototypes.
	* resolve.c (resolve_blocks): Ignore EXEC_OMP_* block directives.
	(resolve_code): Call gfc_resolve_omp_directive on EXEC_OMP_*
	directives.
	* trans.c (gfc_trans_code): Call gfc_trans_omp_directive for
	EXEC_OMP_* directives.
	* st.c (gfc_free_statement): Handle EXEC_OMP_* statement freeing.
	* trans-stmt.h (gfc_trans_omp_directive): New prototype.
	* openmp.c: New file.
	* trans-openmp.c: New file.

2006-02-13  Andrew Pinski  <pinskia@physics.uc.edu>
	    Jakub Jelinek  <jakub@redhat.com>

	PR fortran/26246
	* trans-decl.c (gfc_get_symbol_decl, gfc_get_fake_result_decl): Use
	gfc_add_decl_to_function rather than gfc_finish_var_decl on length.

2006-02-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26074
	PR fortran/25103
	* resolve.c (resolve_symbol): Extend the requirement that module
	arrays have constant bounds to those in the main program.  At the
	same time simplify the array bounds, to avoiding trapping parameter
	array references, and exclude automatic character length from main
	and modules. Rearrange resolve_symbol and resolve_derived to put as
	each flavor together, as much as is possible and move all specific
	code for flavors FL_VARIABLE, FL_PROCEDURE and FL_PARAMETER into new
	functions.
	(resolve_fl_var_and_proc, resolve_fl_variable, resolve_fl_procedure):
	New functions to do work of resolve_symbol.
	(resolve_index_expr): New function that is called from resolved_symbol
	and is extracted from resolve_charlen.
	(resolve_charlen): Call this new function.
	(resolve_fl_derived): Renamed resolve_derived to be consistent with
	the naming of the new functions for the other flavours.  Change the
	charlen checking so that the style is consistent with other similar
	checks. Add the generation of the gfc_dt_list, removed from resolve_
	symbol.

	PR fortran/20861
	* resolve.c (resolve_actual_arglist): Prevent internal procedures
	from being dummy arguments.

	PR fortran/20871
	* resolve.c (resolve_actual_arglist): Prevent pure but non-intrinsic
	procedures from being dummy arguments.

	PR fortran/25083
	* resolve.c (check_data_variable): Add test that data variable is in
	COMMON.

	PR fortran/25088
	* resolve.c (resolve_call): Add test that the subroutine does not
	have a type.

2006-02-12  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/25806
	* trans-array.c (gfc_trans_allocate_array_storage): New argument
	dealloc; free the temporary only if dealloc is true.
	(gfc_trans_allocate_temp_array): New argument bool dealloc, to be
	passed onwards to gfc_trans_allocate_array_storage.
	(gfc_trans_array_constructor, gfc_conv_loop_setup): Update call to
	gfc_trans_allocate_temp_array.
	* trans-array.h (gfc_trans_allocate_temp_array): Update function
	prototype.
	* trans-expr.c (gfc_conv_function_call): Set new argument 'dealloc'
	to gfc_trans_allocate_temp_array to false in case of functions
	returning pointers.
	(gfc_trans_arrayfunc_assign): Return NULL for functions returning
	pointers.

2006-02-10  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/20858
	*decl.c (variable_decl): Improve error message.  Remove initialization
	typespec.  Wrap long line.
	*expr.c (gfc_check_pointer_assign): Permit checking of type, kind type,
	and rank.
	*simplify.c (gfc_simplify_null): Ensure type, kind type, and rank
	are set.


2006-02-10  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/14771
	* arith.c (eval_intrinsic): Accept INTRINSIC_PARENTHESES.
	* expr.c (check_intrinsic_op): Likewise.
	* module.c (mio_expr): Likewise.

2006-02-09  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

	* dump-parse-tree.c: Update copyright years.
	* matchexp.c: Likewise.
	* module.c: Likewise.

	PR fortran/14771
	* gfortran.h (gfc_intrinsic_op): Add INTRINSIC_PARENTHESES.
	* dump-parse-tree (gfc_show_expr): Handle INTRINSIC_PARENTHESES.
	* expr.c (simplify_intrinsic_op): Treat INTRINSIC_PARENTHESES as
	if it were INTRINSIC_UPLUS.
	* resolve.c (resolve_operator): Handle INTRINSIC_PARENTHESES.
	* match.c (intrinsic_operators): Add INTRINSIC_PARENTHESES.
	* matchexp.c (match_primary): Record parentheses surrounding
	numeric expressions.
	* module.c (intrinsics): Add INTRINSIC_PARENTHESES for module
	dumping.
	* trans-expr.c (gfc_conv_expr_op): Handle INTRINSIC_PARENTHESES.

2006-02-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26038
	* trans-stmt.c (gfc_trans_allocate): Provide assumed character length
	scalar with missing backend_decl for the hidden dummy charlen.

	PR fortran/25059
	* interface.c (gfc_extend_assign): Remove detection of non-PURE
	subroutine in assignment interface, with gfc_error, and put it in
	* resolve.c (resolve_code).

	PR fortran/25070
	* interface.c (gfc_procedure_use): Flag rank checking for non-
	elemental, contained or interface procedures in call to
	(compare_actual_formal), where ranks are checked for assumed
	shape arrays..

2006-02-08  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR libfortran/25425
	* trans-decl.c (gfc_generate_function_code): Add new argument,
	pedantic, to set_std call.

2006-02-06  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/23815
	* gfortran.texi: Document the GFORTRAN_CONVERT_UNIT environment
	variable.
	* invoke.texi:  Mention the "Runtime" chapter.
	Document the -fconvert= option.
	* gfortran.h:  Add options_convert.
	* lang.opt:  Add fconvert=little-endian, fconvert=big-endian,
	fconvert=native and fconvert=swap.
	* trans-decl.c (top level):  Add gfor_fndecl_set_convert.
	(gfc_build_builtin_function_decls):  Set gfor_fndecl_set_convert.
	(gfc_generate_function_code):  If -fconvert was specified,
	and this is the main program, add a call to set_convert().
	* options.c:  Handle the -fconvert options.

2006-02-06  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (gfc_evaluate_where_mask): Allow the NMASK argument
	to be NULL to indicate that the not mask isn't required.
	(gfc_trans_where_2): Remove PMASK argument.  Avoid calculating the
	pending mask for the last clause of a WHERE chain.  Update recursive
	call.
	(gfc_trans_forall_1): Update call to gfc_trans_where_2.
	(gfc_trans_where): Likewise.

2006-02-06  Jakub Jelinek  <jakub@redhat.com>

	Backport from gomp-20050608-branch
	* trans-decl.c (create_function_arglist): Handle dummy functions.

	* trans-decl.c (gfc_get_symbol_decl): Revert explicit setting of
	TYPE_SIZE_UNIT.
	(gfc_trans_vla_type_sizes): Also "gimplify"
	GFC_TYPE_ARRAY_DATAPTR_TYPE for GFC_DESCRIPTOR_TYPE_P types.
	* trans-array.c (gfc_trans_deferred_array): Call
	gfc_trans_vla_type_sizes.

	* trans-decl.c (saved_function_decls, saved_parent_function_decls):
	Remove unnecessary initialization.
	(create_function_arglist): Make sure __result has complete type.
	(gfc_get_fake_result_decl): Change current_fake_result_decl into
	a tree chain.  For entry master, create a separate variable
	for each result name.  For BT_CHARACTER results, call
	gfc_finish_var_decl on length even if it has been already created,
	but not pushdecl'ed.
	(gfc_trans_vla_type_sizes): For function/entry result, adjust
	result value type, not the FUNCTION_TYPE.
	(gfc_generate_function_code): Adjust for current_fake_result_decl
	changes.
	(gfc_trans_deferred_vars): Likewise.  Call gfc_trans_vla_type_sizes
	even on result if it is assumed-length character.

	* trans-decl.c (gfc_trans_dummy_character): Add SYM argument.
	Call gfc_trans_vla_type_sizes.
	(gfc_trans_auto_character_variable): Call gfc_trans_vla_type_sizes.
	(gfc_trans_vla_one_sizepos, gfc_trans_vla_type_sizes_1,
	gfc_trans_vla_type_sizes): New functions.
	(gfc_trans_deferred_vars): Adjust gfc_trans_dummy_character
	callers.  Call gfc_trans_vla_type_sizes on assumed-length
	character parameters.
	* trans-array.c (gfc_trans_array_bounds,
	gfc_trans_auto_array_allocation, gfc_trans_dummy_array_bias): Call
	gfc_trans_vla_type_sizes.
	* trans.h (gfc_trans_vla_type_sizes): New prototype.

	* trans-decl.c (gfc_build_qualified_array): For non-assumed-size
	arrays without constant size, create also an index var for
	GFC_TYPE_ARRAY_SIZE (type).  If the type is incomplete, complete
	it as 0..size-1.
	(gfc_create_string_length): Don't call gfc_defer_symbol_init
	if just creating DECL_ARGUMENTS.
	(gfc_get_symbol_decl): Call gfc_finish_var_decl and
	gfc_defer_symbol_init even if ts.cl->backend_decl is already
	set to a VAR_DECL that doesn't have DECL_CONTEXT yet.
	(create_function_arglist): Rework, so that hidden length
	arguments for CHARACTER parameters are created together with
	the parameters.  Resolve ts.cl->backend_decl for CHARACTER
	parameters.  If the argument is a non-constant length array
	or CHARACTER, ensure PARM_DECL has different type than
	its DECL_ARG_TYPE.
	(generate_local_decl): Call gfc_get_symbol_decl even
	for non-referenced non-constant length CHARACTER parameters
	after optionally issuing warnings.
	* trans-array.c (gfc_trans_array_bounds): Set last stride
	to GFC_TYPE_ARRAY_SIZE (type) to initialize it as well.
	(gfc_trans_dummy_array_bias): Initialize GFC_TYPE_ARRAY_SIZE (type)
	variable as well.

	* trans-expr.c (gfc_conv_expr_val): Fix comment typo.

	* trans-stmt.c (gfc_trans_simple_do): Fix comment.

2006-02-04  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_dependency): Remove unused vars and nvars
	arguments.  Replace with an "identical" argument.  A full array
	reference to the same symbol is a dependency if identical is true.
	* dependency.h (gfc_check_dependency): Update prototype.
	* trans-array.h (gfc_check_dependency): Delete duplicate prototype.
	* trans-stmt.c: #include dependency.h for gfc_check_dependency.
	(gfc_trans_forall_1): Update calls to gfc_check_dependency.
	(gfc_trans_where_2): Likewise.  Remove unneeded variables.
	(gfc_trans_where_3): New function for simple non-dependent WHEREs.
	(gfc_trans_where): Call gfc_trans_where_3 to translate simple
	F90-style WHERE statements without internal dependencies.
	* Make-lang.in (trans-stmt.o): Depend upon dependency.h.

2006-02-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR fortran/26041
	PR fortran/26064
	* resolve.c (resolve_types): New function.
	(resolve_codes): Likewise.
	(gfc_resolve): Use them.

2006-02-05  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (gfc_evaluate_where_mask): Use LOGICAL*1 for WHERE
	masks instead of LOGICAL*4.

2006-02-05  Jakub Jelinek  <jakub@redhat.com>

	* resolve.c (resolve_symbol): Initialize constructor_expr to NULL.

2006-02-04  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/25075
	check.c (identical_dimen_shape):  New function.
	(check_dot_product):  Use identical_dimen_shape() to check sizes
	for dot_product.
	(gfc_check_matmul):  Likewise.
	(gfc_check_merge):  Check conformance between tsource and fsource
	and between tsource and mask.
	(gfc_check_pack):  Check conformance between array and mask.

2006-02-03  Steven G. Kargl  <kargls@comcast>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20845
	* resolve.c (resolve_symbol): Default initialization of derived type
	component reguires the SAVE attribute.

2006-02-02  Steven G. Kargl  <kargls@comcast>

	PR fortran/24958
	match.c (gfc_match_nullify):  Free the list from head not tail.

	PR fortran/25072
	* match.c (match_forall_header): Fix internal error caused by bogus
	gfc_epxr pointers.


2006-01-31  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/26039
	expr.c (gfc_check_conformance):  Reorder error message
	to avoid plural.
	check.c(gfc_check_minloc_maxloc):  Call gfc_check_conformance
	for checking arguments array and mask.
	(check_reduction):  Likewise.

2006-01-30  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/24266
	* trans-io.c (set_internal_unit): Check the rank of the
	expression node itself instead of its symbol.

2006-01-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/18578
	PR fortran/18579
	PR fortran/20857
	PR fortran/20885
	* interface.c (compare_actual_formal): Error for INTENT(OUT or INOUT)
	if actual argument is not a variable.

2006-01-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/17911
	* expr.c (gfc_check_assign, gfc_check_pointer_assign): Emit error if
	the lvalue is a use associated procedure.

	PR fortran/20895
	PR fortran/25030
	* expr.c (gfc_check_pointer_assign): Emit error if lvalue and rvalue
	character lengths are not the same.  Use gfc_dep_compare_expr for the
	comparison.
	* gfortran.h: Add prototype for gfc_dep_compare_expr.
	* dependency.h: Remove prototype for gfc_dep_compare_expr.

2006-01-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25964
	* resolve.c (resolve_function): Add GFC_ISYM_LOC to the list of
	generic_ids exempted from assumed size checking.

2006-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/25324
	* Make-lang.in (fortran/scanner.o): Depend on toplev.h.
	* lang.opt (fpreprocessed): New option.
	* scanner.c: Include toplev.h.
	(gfc_src_file, gfc_src_preprocessor_lines): New variables.
	(preprocessor_line): Unescape filename if there were any
	backslashes.
	(load_file): If initial and gfc_src_file is not NULL,
	use it rather than opening the file.  If gfc_src_preprocessor_lines
	has non-NULL elements, pass it to preprocessor_line.
	(unescape_filename, gfc_read_orig_filename): New functions.
	* gfortran.h (gfc_option_t): Add flag_preprocessed.
	(gfc_read_orig_filename): New prototype.
	* options.c (gfc_init_options): Clear flag_preprocessed.
	(gfc_post_options): If flag_preprocessed, call
	gfc_read_orig_filename.
	(gfc_handle_option): Handle OPT_fpreprocessed.
	* lang-specs.h: Pass -fpreprocessed to f951 if preprocessing
	sources.

2006-01-27  Erik Edelmann  <eedelman@gcc.gnu.org>

	* symbol.c (free_old_symbol): Fix confusing comment, and add code
	  to free old_symbol->formal.

2006-01-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25964
	* resolve.c (resolve_function): Exclude statement functions from
	global reference checking.

	PR fortran/25084
	PR fortran/20852
	PR fortran/25085
	PR fortran/25086
	* resolve.c (resolve_function): Declare a gfc_symbol to replace the
	references through the symtree to the symbol associated with the
	function expresion. Give error on reference to an assumed character
	length function is defined in an interface or an external function
	that is not a dummy argument.
	(resolve_symbol): Give error if an assumed character length function
	is array-valued, pointer-valued, pure or recursive. Emit warning
	that character(*) value functions are obsolescent in F95.

	PR fortran/25416
	* trans-expr.c (gfc_conv_function_call): The above patch to resolve.c
	prevents any assumed character length function call from getting here
	except intrinsics such as SPREAD. In this case, ensure that no
	segfault occurs from referencing non-existent charlen->length->
	expr_type and provide a backend_decl for the charlen from the charlen
	of the first actual argument.

	Cure temp name confusion.
	* trans-expr.c (gfc_get_interface_mapping_array): Change name of
	temporary from "parm" to "ifm" to avoid clash with temp coming from
	trans-array.c.

2006-01-25  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/25716
	* symbol.c (free_old_symbol): New function.
	(gfc_commit_symbols): Use it.
	(gfc_commit_symbol): New function.
	(gfc_use_derived): Use it.
	* gfortran.h: Add prototype for gfc_commit_symbol.
	* intrinsic.c (gfc_find_function): Search in 'conversion'
	if not found in 'functions'.
	(gfc_convert_type_warn): Add a symtree to the new
	expression node, and commit the new symtree->n.sym.
	* resolve.c (gfc_resolve_index): Make sure typespec is
	properly initialized.

2006-01-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25901
	* decl.c (get_proc_name): Replace subroutine and function attributes
	in "already defined" test by the formal arglist pointer being non-NULL.

	Fix regression in testing of admissability of attributes.
	* symbol.c (gfc_add_attribute): If the current_attr has non-zero
	intent, do not do the check for a dummy being used.
	* decl.c (attr_decl1): Add current_attr.intent as the third argument
	in the call to gfc_add_attribute.
	* gfortran.h: Add the third argument to the prototype for
	gfc_add_attribute.

2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>

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

2006-01-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25124
	PR fortran/25625
	* decl.c (get_proc_name): If there is an existing
	symbol in the encompassing namespace, call errors
	if it is a procedure of the same name or the kind
	field is set, indicating a type declaration.

	PR fortran/20881
	PR fortran/23308
	PR fortran/25538
	PR fortran/25710
	* decl.c (add_global_entry): New function to check
	for existing global symbol with this name and to
	create new one if none exists.
	(gfc_match_entry): Call add_global_entry before
	matching argument lists for subroutine and function
	entries.
	* gfortran.h: Prototype for existing function,
	global_used.
	* resolve.c (resolve_global_procedure): New function
	to check global symbols for procedures.
	(resolve_call, resolve_function): Calls to this
	new function for non-contained and non-module
	procedures.
	* match.c (match_common): Add check for existing
	global symbol, creat one if none exists and emit
	error if there is a clash.
	* parse.c (global_used): Remove static and use the
	gsymbol name rather than the new_block name, so that
	the function can be called from resolve.c.
	(parse_block_data, parse_module, add_global_procedure):
	Improve checks for existing gsymbols.  Emit error if
	already defined or if references were to another type.
	Set defined flag.

	PR fortran/PR24276
	* trans-expr.c (gfc_conv_aliased_arg): New function called by 
	gfc_conv_function_call that coverts an expression for an aliased
	component reference to a derived type array into a temporary array
	of the same type as the component.  The temporary is passed as an
	actual argument for the procedure call and is copied back to the
	derived type after the call.
	(is_aliased_array): New function that detects an array reference
	that is followed by a component reference.
	(gfc_conv_function_call): Detect an aliased actual argument with
	is_aliased_array and convert it to a temporary and back again
	using gfc_conv_aliased_arg.

2006-01-19  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

	* gfortranspec.c: Update copyright years.
	* trans.c: Likewise.
	* trans-array.c: Likewise.
	* trans-array.h: Likewise.
	* trans-decl.c: Likewise.
	* trans-stmt.c: Likewise.
	* trans-stmt.h: Likewise.
	* trans-types.c: Likewise.

2006-01-18  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/18540
	PR fortran/18937
	* gfortran.h (BBT_HEADER): Move definition up.
	(gfc_st_label): Add BBT_HEADER, remove 'prev' and 'next'.
	* io.c (format_asterisk): Adapt initializer.
	* resolve.c (resolve_branch): Allow FORTRAN 66 cross-block GOTOs
	as extension.
	(warn_unused_label): Take gfc_st_label label as argument, adapt to
	new data structure.
	(gfc_resolve): Adapt call to warn_unused_label.
	* symbol.c (compare_st_labels): New function.
	(gfc_free_st_label, free_st_labels, gfc_get_st_label): Convert to
	using balanced binary tree.
	* decl.c (match_char_length, gfc_match_old_kind_spec): Do away
	with 'cnt'.
	(warn_unused_label): Adapt to binary tree.
	* match.c (gfc_match_small_literal_int): Only set cnt if non-NULL.
	* primary.c (match_kind_param): Do away with cnt.

2006-01-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20869
	PR fortran/20875
	PR fortran/25024
	* symbol.c (check_conflict): Add pointer valued elemental
	functions and internal procedures with the external attribute
	to the list of conflicts.
	(gfc_add_attribute): New catch-all function to perform the
	checking of symbol attributes for attribute declaration
	statements.
	* decl.c (attr_decl1): Call gfc_add_attribute for each of -
	(gfc_match_external, gfc_match_intent, gfc_match_intrinsic,
	gfc_match_pointer, gfc_match_dimension, gfc_match_target):
	Remove spurious calls to checks in symbol.c.  Set the
	attribute directly and use the call to attr_decl() for
	checking.
	* gfortran.h:  Add prototype for gfc_add_attribute.

	PR fortran/25785
	* resolve.c (resolve_function): Exclude PRESENT from assumed size
	argument checking. Replace strcmp's with comparisons with generic
	codes.

2006-01-16  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>

	* gfortranspec.c (lang_specific_spec_functions): Remove.

2006-01-16  Richard Guenther  <rguenther@suse.de>

	* trans-stmt.c (gfc_trans_if_1): Use fold_buildN and build_int_cst.
	(gfc_trans_arithmetic_if): Likewise.
	(gfc_trans_simple_do): Likewise.
	(gfc_trans_do): Likewise.
	(gfc_trans_do_while): Likewise.
	(gfc_trans_logical_select): Likewise.
	(gfc_trans_forall_loop): Likewise.
	(generate_loop_for_temp_to_lhs): Likewise.
	(generate_loop_for_rhs_to_temp): Likewise.
	(gfc_trans_allocate): Likewise.
	* trans.c (gfc_add_expr_to_block): Do not fold expr again.

2006-01-16  Richard Guenther  <rguenther@suse.de>

	* trans-expr.c (gfc_conv_function_call): Use fold_build2.
	* trans-stmt.c (gfc_trans_goto): Likewise.  Use build_int_cst.
	* trans.c (gfc_trans_runtime_check): Don't fold the condition
	again.

2006-01-13  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/25756
	* symbol.c (gfc_free_st_label): Give variable meaningful name. Remove
	unneeded parenthesis. Fix-up the head of the list (2 lines gleaned
	from g95).

2006-01-13  Diego Novillo  <dnovillo@redhat.com>

	* trans.c (gfc_add_expr_to_block): Do not fold tcc_statement
	nodes.

2006-01-11  Tobias Schlüter  <tobias.schlueter@physik.uni-muenchen.de>

	* parse.c (next_fixed): Remove superfluous string concatenation.

2006-01-11  Bernhard Fischer  <rep.nop@aon.at>

	PR fortran/25486
	* scanner.c (load_line): use maxlen to determine the line-length used
	for padding lines in fixed form.

2006-01-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25730
	* trans-types.c (copy_dt_decls_ifequal): Copy backend decl for
	character lengths.

2006-01-09  Andrew Pinski  <pinskia@physics.uc.edu>

	fortran/24936
	* trans-stmt.c (gfc_trans_pointer_assign_need_temp): Use fold_convert
	to avoid type mismatch.

2006-01-09  Andrew Pinski  <pinskia@physics.uc.edu>

	PR fortran/21977
	* trans-decl.c (gfc_generate_function_code): Move the NULLing of
	current_fake_result_decl down to below generate_local_vars.

2006-01-09  Feng Wang  <fengwang@nudt.edu.cn>

	PR fortran/12456
	* trans-expr.c (gfc_to_single_character): New function that converts
	string to single character if its length is 1.
	(gfc_build_compare_string):New function that compare string and handle
	single character specially.
	(gfc_conv_expr_op): Use gfc_build_compare_string.
	(gfc_trans_string_copy): Use gfc_to_single_character.
	* trans-intrinsic.c (gfc_conv_intrinsic_strcmp): Use
	gfc_build_compare_string.
	* trans.h (gfc_build_compare_string): Add prototype.

2006-01-09  Feng Wang  <fengwang@nudt.edu.cn>

	* simplify.c (gfc_simplify_char): Use UCHAR_MAX instead of literal
	constant.
	(gfc_simplify_ichar): Get the result from unsinged char and in the
	range 0 to UCHAR_MAX instead of CHAR_MIN to CHAR_MAX.

2006-01-08  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/25093
	* resolve.c (resolve_fntype): Check that PUBLIC functions
	aren't of PRIVATE type.

2006-01-07  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

	* decl.c (gfc_match_function_decl): Correctly error out in case of
	omitted function argument list.

2006-01-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/22146
	* trans-array.c (gfc_reverse_ss): Remove static attribute.
	(gfc_walk_elemental_function_args): Replace gfc_expr * argument for
	the function call with the corresponding gfc_actual_arglist*.  Change
	code accordingly.
	(gfc_walk_function_expr): Call to gfc_walk_elemental_function_args
	now requires the actual argument list instead of the expression for
	the function call.
	* trans-array.h: Modify the prototype for gfc_walk_elemental_function_args
	and provide a prototype for gfc_reverse_ss.
	* trans-stmt.h (gfc_trans_call): Add the scalarization code for the case
	where an elemental subroutine has array valued actual arguments.

	PR fortran/25029
	PR fortran/21256
	PR fortran/20868
	PR fortran/20870
	* resolve.c (check_assumed_size_reference): New function to check for upper
	bound in assumed size array references.
	(resolve_assumed_size_actual): New function to do a very restricted scan
	of actual argument expressions of those procedures for which incomplete
	assumed size array references are not allowed.
	(resolve_function, resolve_call): Switch off assumed size checking of
	actual arguments, except for elemental procedures and intrinsic
	inquiry functions, in some circumstances.
	(resolve_variable): Call check_assumed_size_reference.

2006-01-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/24268
	* io.c (next_char_not_space): New function that returns the next
	character that is not white space.
	(format_lex): Use the new function to skip whitespace within
	a format string.

2006-01-05  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/23675
	* expr.c (gfc_expr_set_symbols_referenced): New function.
	* gfortran.h: Add a function prototype for it.
	* resolve.c (resolve_function): Use it for
	use associated character functions lengths.
	* expr.c, gfortran.h, resolve.c: Updated copyright years.

2006-01-03  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/25101
	* resolve.c (resolve_forall_iterators):  Check for scalar variables;
	Check stride is nonzero.

2006-01-02  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/24640
	* parse.c (next_free): Check for whitespace after the label.
	* match.c (gfc_match_small_literal_int): Initialize cnt variable.

2006-01-01  Steven G. Kargl  <kargls@comcast.net>

	* ChangeLog: Split previous years into ...
	* ChangeLog-2002: here.
	* ChangeLog-2003: here.
	* ChangeLog-2004: here.
	* ChangeLog-2005: here.