2007-07-30  Seongbae Park <seongbae.park@gmail.com>

	* df-scan.c (df_scan_verify): Remove artificial limit on
	the number of blocks for verification.
	* df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
	df_simulate_defs): Avoid unnecessary insn checking for defs.

From-SVN: r127070