* sched-ebb.c (schedule_ebb): No longer static. Remove declaration.
New arg modulo_scheduling. All callers changed. Move note handling
code here from schedule_ebbs.
(schedule_ebbs_finish, schedule_ebbs_init): New functions, broken
out of schedule_ebbs.
(schedule_ebbs): Call them. Remove note handling code moved to
schedule_ebb.
* sched-int.h (schedule_ebb, schedule_ebbs_init,
schedule_ebbs_finish): Declare.