egcs/gcc ChangeLog gcse.c

[law@egcs.cygnus.com]

CVSROOT:	/egcs/carton/cvsfiles
Module name:	egcs
Changes by:	law@egcs.cygnus.com	99/03/21 20:49:11

Modified files:
	gcc            : ChangeLog gcse.c 

Log message:
	* 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.