gcc/
	* modulo-sched.c (ps_reg_move_info): Add num_consecutive_stages.
	(SCHED_FIRST_REG_MOVE, SCHED_NREG_MOVES): Delete.
	(node_sched_params): Remove first_reg_move and nreg_moves.
	(ps_num_consecutive_stages, extend_node_sched_params): New functions.
	(update_node_sched_params): Move up file.
	(print_node_sched_params): Print the stage.  Don't dump info related
	to first_reg_move and nreg_moves.
	(set_columns_for_row): New function.
	(set_columns_for_ps): Move up file and use set_columns_for_row.
	(schedule_reg_move): New function.
	(schedule_reg_moves): Call extend_node_sched_params and
	schedule_reg_move.  Extend size of uses bitmap.  Initialize
	num_consecutive_stages.  Return false if a move could not be
	scheduled.
	(apply_reg_moves): Don't emit moves here.
	(permute_partial_schedule): Handle register moves.
	(duplicate_insns_of_cycles): Remove for_prolog.  Emit moves according
	to the same stage-count test as ddg nodes.
	(generate_prolog_epilog): Update calls accordingly.
	(sms_schedule): Allow move-scheduling to add a new first stage.

From-SVN: r179744