pa.c (emit_move_sequence): Handle secondary FP load/store reloads of the form (subreg (mem (plus (reg)...

	* pa.c (emit_move_sequence): Handle secondary FP load/store
	reloads of the form (subreg (mem (plus (reg) (disp)))).
	(secondary_reload_class): A secondary register is needed to handle
	out-of-range FP loads and stores.
	* pa.md (reload_indf, reload_outdf): New expanders.
	(reload_insf, reload_outsf): Likewise.

From-SVN: r8077