* reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
	(reload_cse_regs): New function body: call reload_cse_regs_1,
	reload_combine, reload_cse_move2add.
	When doing expensive_optimizations, call reload_cse_regs_1 a
	second time after reload_cse_move2add.
	(reload_combine, reload_combine_note_store): New functions.
	(reload_combine_note_use): New function.
	(reload_cse_move2add, move2add_note_store): New functions.

From-SVN: r22570