* gcse.c (dump_hash_table): Fix whitespace in declaration.
	(compute_transpout): Renamed from pre_compute_transpout.
	(compute_pre_*): Deleted
	(pre_expr_reaches_here_p): New argument, CHECK_PRE_COMP.  All
	callers changed.
	(insert_insn_end_bb): Renamed from pre_insert_insn.
	(pre_*): Delete unused variables.  Only leave local properties and
	global redundant/optimal computation points.
	(alloc_pre_mem, free_pre_mem): Corresponding changes.
	(compute_pre_data): Simplify and call pre_lcm to run the lazy
	code motion dataflow analysis.
	(pre_insert, pre_insert_copies, pre_delete): Revamp to use LCM
	based redundant and optimal computation points.

From-SVN: r25886