rs6000.c (init_cumulative_args): Add and handle LIBCALL argument.

rs6000.c (init_cumulative_args): Add and handle LIBCALL argument.

2003-06-18  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* config/rs6000/rs6000.c (init_cumulative_args): Add and handle LIBCALL
	argument.
	(function_arg): Handle CALL_LIBCALL flag.
	* config/rs6000/rs6000-protos.h (init_cumulative_args): Update
	prototype.
	* config/rs6000/rs6000.h (CALL_LIBCALL): New macro.
	(INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
	(INIT_CUMULATIVE_ARGS): Add LIBCALL argument.
	(INIT_CUMULATIVE_INCOMING_ARGS): Likewise.

From-SVN: r68139