predicates.md (symbolic_operand): Add comment.

predicates.md (symbolic_operand): Add comment.

	* pa/predicates.md (symbolic_operand): Add comment.
	* pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
	* pa/pa-protos.h (pa_secondary_reload_class): Delete.
	* pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
	(pa_secondary_reload_class): Delete.
	(pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
	and pa_secondary_reload_class.  Reorder some checks.  Update inline
	copy of symbolic operand.
	* pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.

Co-Authored-By: Bernd Schmidt <bernd.schmidt@analog.com>
From-SVN: r107719