2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
	Ayal Zaks <zaks@il.ibm.com>

	* common.opt (freschedule-modulo-scheduled-loops): New flag.
	* final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
	* modulo-sched.c (sms_schedule): Emit a note to disable scheduling
	when -freschedule-modulo-scheduled-loops flag is not specified.
	(sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
	add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
	More accurate placing of insn in row of partial schedule.
	(ps_insn_find_column): New function.
	* rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
	* sched-rgn.c (sched_is_disabled_for_current_region_p): New.
	(schedule_region): Use sched_is_disabled_for_current_region_p.
	* docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.

Co-Authored-By: Ayal Zaks <zaks@il.ibm.com>

From-SVN: r85696