* tree.h (OMP_CLAUSE_LINEAR_STMT): Define.
	* tree.c (omp_clause_num_ops): Increase OMP_CLAUSE_LINEAR
	number of operands to 3.
	(walk_tree_1): Walk all operands of OMP_CLAUSE_LINEAR.
	* tree-nested.c (convert_nonlocal_omp_clauses,
	convert_local_omp_clauses): Handle OMP_CLAUSE_DEPEND.
	* gimplify.c (gimplify_scan_omp_clauses): Handle
	OMP_CLAUSE_LINEAR_STMT.
	* omp-low.c (lower_rec_input_clauses): Fix typo.
	(maybe_add_implicit_barrier_cancel, lower_omp_1): Add
	cast between Fortran boolean_type_node and C _Bool if
	needed.
gcc/fortran/
	* gfortran.h (gfc_statement): Add ST_OMP_CANCEL,
	ST_OMP_CANCELLATION_POINT, ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP,
	ST_OMP_SIMD, ST_OMP_END_SIMD, ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD,
	ST_OMP_PARALLEL_DO_SIMD, ST_OMP_END_PARALLEL_DO_SIMD and
	ST_OMP_DECLARE_SIMD.
	(gfc_omp_namelist): New typedef.
	(gfc_get_omp_namelist): Define.
	(OMP_LIST_UNIFORM, OMP_LIST_ALIGNED, OMP_LIST_LINEAR,
	OMP_LIST_DEPEND_IN, OMP_LIST_DEPEND_OUT): New clause list kinds.
	(gfc_omp_proc_bind_kind, gfc_omp_cancel_kind): New enums.
	(gfc_omp_clauses): Change type of lists to gfc_omp_namelist *.
	Add inbranch, notinbranch, cancel, proc_bind, safelen_expr and
	simdlen_expr fields.
	(gfc_omp_declare_simd): New typedef.
	(gfc_get_omp_declare_simd): Define.
	(gfc_namespace): Add omp_declare_simd field.
	(gfc_exec_op): Add EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
	EXEC_OMP_TASKGROUP, EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD and
	EXEC_OMP_PARALLEL_DO_SIMD.
	(gfc_omp_atomic_op): Add GFC_OMP_ATOMIC_MASK, GFC_OMP_ATOMIC_SEQ_CST
	and GFC_OMP_ATOMIC_SWAP.
	(gfc_code): Change type of omp_namelist field to gfc_omp_namelist *.
	(gfc_free_omp_namelist, gfc_free_omp_declare_simd,
	gfc_free_omp_declare_simd_list, gfc_resolve_omp_declare_simd): New
	prototypes.
	* trans-stmt.h (gfc_trans_omp_declare_simd): New prototype.
	* symbol.c (gfc_free_namespace): Call gfc_free_omp_declare_simd.
	* openmp.c (gfc_free_omp_clauses): Free safelen_expr and
	simdlen_expr.  Use gfc_free_omp_namelist instead of
	gfc_free_namelist.
	(gfc_free_omp_declare_simd, gfc_free_omp_declare_simd_list): New
	functions.
	(gfc_match_omp_variable_list): Add end_colon, headp and
	allow_sections arguments.  Handle parsing of array sections.
	Use *omp_namelist* instead of *namelist* data structure and
	functions/macros.  Allow termination at : character.
	(OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND, OMP_CLAUSE_INBRANCH,
	OMP_CLAUSE_LINEAR, OMP_CLAUSE_NOTINBRANCH, OMP_CLAUSE_PROC_BIND,
	OMP_CLAUSE_SAFELEN, OMP_CLAUSE_SIMDLEN, OMP_CLAUSE_UNIFORM): Define.
	(gfc_match_omp_clauses): Change first and needs_space variables
	into arguments with default values.  Parse inbranch, notinbranch,
	proc_bind, safelen, simdlen, uniform, linear, aligned and
	depend clauses.
	(OMP_PARALLEL_CLAUSES): Add OMP_CLAUSE_PROC_BIND.
	(OMP_DECLARE_SIMD_CLAUSES, OMP_SIMD_CLAUSES): Define.
	(OMP_TASK_CLAUSES): Add OMP_CLAUSE_DEPEND.
	(gfc_match_omp_do_simd): New function.
	(gfc_match_omp_flush): Use *omp_namelist* instead of *namelist*
	data structure and functions/macros.
	(gfc_match_omp_simd, gfc_match_omp_declare_simd,
	gfc_match_omp_parallel_do_simd): New functions.
	(gfc_match_omp_atomic): Handle seq_cst clause.  Handle atomic swap.
	(gfc_match_omp_taskgroup, gfc_match_omp_cancel_kind,
	gfc_match_omp_cancel, gfc_match_omp_cancellation_point): New
	functions.
	(resolve_omp_clauses): Add where, omp_clauses and ns arguments.
	Use *omp_namelist* instead of *namelist* data structure and
	functions/macros.  Resolve uniform, aligned, linear, depend,
	safelen and simdlen clauses.
	(resolve_omp_atomic): Adjust for GFC_OMP_ATOMIC_{MASK,SEQ_CST,SWAP}
	addition, recognize atomic swap.
	(gfc_resolve_omp_parallel_blocks): Use gfc_omp_namelist instead
	of gfc_namelist.  Handle EXEC_OMP_PARALLEL_DO_SIMD the same as
	EXEC_OMP_PARALLEL_DO.
	(gfc_resolve_do_iterator): Use *omp_namelist* instead of *namelist*
	data structure and functions/macros.
	(resolve_omp_do): Likewise.  Handle EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD.
	(gfc_resolve_omp_directive): Handle EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD and EXEC_OMP_CANCEL.  Adjust
	resolve_omp_clauses caller.
	(gfc_resolve_omp_declare_simd): New function.
	* parse.c (decode_omp_directive): Parse cancellation point, cancel,
	declare simd, end do simd, end simd, end parallel do simd,
	end taskgroup, parallel do simd, simd and taskgroup directives.
	(case_executable): Add ST_OMP_CANCEL and ST_OMP_CANCELLATION_POINT.
	(case_exec_markers): Add ST_OMP_TASKGROUP, case ST_OMP_SIMD,
	ST_OMP_DO_SIMD and ST_OMP_PARALLEL_DO_SIMD.
	(case_decl): Add ST_OMP_DECLARE_SIMD.
	(gfc_ascii_statement): Handle ST_OMP_CANCEL,
	ST_OMP_CANCELLATION_POINT, ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP,
	ST_OMP_SIMD, ST_OMP_END_SIMD, ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD,
	ST_OMP_PARALLEL_DO_SIMD, ST_OMP_END_PARALLEL_DO_SIMD and
	ST_OMP_DECLARE_SIMD.
	(parse_omp_do): Handle ST_OMP_SIMD, ST_OMP_DO_SIMD and
	ST_OMP_PARALLEL_DO_SIMD.
	(parse_omp_atomic): Adjust for GFC_OMP_ATOMIC_* additions.
	(parse_omp_structured_block): Handle ST_OMP_TASKGROUP and
	ST_OMP_PARALLEL_DO_SIMD.
	(parse_executable): Handle ST_OMP_SIMD, ST_OMP_DO_SIMD,
	ST_OMP_PARALLEL_DO_SIMD and ST_OMP_TASKGROUP.
	* trans-decl.c (gfc_get_extern_function_decl,
	gfc_create_function_decl): Call gfc_trans_omp_declare_simd if
	needed.
	* frontend-passes.c (gfc_code_walker): Handle EXEC_OMP_SIMD,
	EXEC_OMP_DO_SIMD and EXEC_OMP_PARALLEL_DO_SIMD.  Walk
	safelen_expr and simdlen_expr.  Walk expressions in gfc_omp_namelist
	of depend, aligned and linear clauses.
	* match.c (match_exit_cycle): Handle EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD
	and EXEC_OMP_PARALLEL_DO_SIMD.
	(gfc_free_omp_namelist): New function.
	* dump-parse-tree.c (show_namelist): Removed.
	(show_omp_namelist): New function.
	(show_omp_node): Handle OpenMP 4.0 additions.
	(show_code_node): Handle EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
	EXEC_OMP_DO_SIMD, EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and
	EXEC_OMP_TASKGROUP.
	* match.h (gfc_match_omp_cancel, gfc_match_omp_cancellation_point,
	gfc_match_omp_declare_simd, gfc_match_omp_do_simd,
	gfc_match_omp_parallel_do_simd, gfc_match_omp_simd,
	gfc_match_omp_taskgroup): New prototypes.
	* trans-openmp.c (gfc_trans_omp_variable): Add declare_simd
	argument, handle it.  Allow current_function_decl to be NULL.
	(gfc_trans_omp_variable_list): Add declare_simd argument, pass
	it through to gfc_trans_omp_variable and disregard whether
	sym is referenced if declare_simd is true.  Work on gfc_omp_namelist
	instead of gfc_namelist.
	(gfc_trans_omp_reduction_list): Work on gfc_omp_namelist instead of
	gfc_namelist.  Adjust gfc_trans_omp_variable caller.
	(gfc_trans_omp_clauses): Add declare_simd argument, pass it through
	to gfc_trans_omp_variable{,_list} callers.  Work on gfc_omp_namelist
	instead of gfc_namelist.  Handle inbranch, notinbranch, safelen,
	simdlen, depend, uniform, linear, proc_bind and aligned clauses.
	Handle cancel kind.
	(gfc_trans_omp_atomic): Handle seq_cst clause, handle atomic swap,
	adjust for GFC_OMP_ATOMIC_* changes.
	(gfc_trans_omp_cancel, gfc_trans_omp_cancellation_point): New
	functions.
	(gfc_trans_omp_do): Add op argument, handle simd translation into
	generic.
	(GFC_OMP_SPLIT_SIMD, GFC_OMP_SPLIT_DO, GFC_OMP_SPLIT_PARALLEL,
	GFC_OMP_SPLIT_NUM, GFC_OMP_MASK_SIMD, GFC_OMP_MASK_DO,
	GFC_OMP_MASK_PARALLEL): New.
	(gfc_split_omp_clauses, gfc_trans_omp_do_simd): New functions.
	(gfc_trans_omp_parallel_do): Rework to use gfc_split_omp_clauses.
	(gfc_trans_omp_parallel_do_simd, gfc_trans_omp_taskgroup): New
	functions.
	(gfc_trans_omp_directive): Handle EXEC_OMP_CANCEL,
	EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	Adjust gfc_trans_omp_do caller.
	(gfc_trans_omp_declare_simd): New function.
	* st.c (gfc_free_statement): Handle EXEC_OMP_CANCEL,
	EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	For EXEC_OMP_FLUSH call gfc_free_omp_namelist instead of
	gfc_free_namelist.
	* module.c (omp_declare_simd_clauses): New variable.
	(mio_omp_declare_simd): New function.
	(mio_symbol): Call it.
	* trans.c (trans_code): Handle EXEC_OMP_CANCEL,
	EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	* resolve.c (gfc_resolve_blocks): Handle EXEC_OMP_DO_SIMD,  
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	(resolve_code): Handle EXEC_OMP_CANCEL,
	EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	(resolve_types): Call gfc_resolve_omp_declare_simd.
gcc/testsuite/
	* gfortran.dg/gomp/affinity-1.f90: New test.
libgomp/
	* testsuite/libgomp.fortran/cancel-do-1.f90: New test.
	* testsuite/libgomp.fortran/cancel-do-2.f90: New test.
	* testsuite/libgomp.fortran/cancel-parallel-1.f90: New test.
	* testsuite/libgomp.fortran/cancel-parallel-3.f90: New test.
	* testsuite/libgomp.fortran/cancel-sections-1.f90: New test.
	* testsuite/libgomp.fortran/cancel-taskgroup-2.f90: New test.
	* testsuite/libgomp.fortran/declare-simd-1.f90: New test.
	* testsuite/libgomp.fortran/declare-simd-2.f90: New test.
	* testsuite/libgomp.fortran/declare-simd-3.f90: New test.
	* testsuite/libgomp.fortran/depend-1.f90: New test.
	* testsuite/libgomp.fortran/depend-2.f90: New test.
	* testsuite/libgomp.fortran/omp_atomic5.f90: New test.
	* testsuite/libgomp.fortran/simd1.f90: New test.
	* testsuite/libgomp.fortran/simd2.f90: New test.
	* testsuite/libgomp.fortran/simd3.f90: New test.
	* testsuite/libgomp.fortran/simd4.f90: New test.
	* testsuite/libgomp.fortran/taskgroup1.f90: New test.

From-SVN: r210313