egcs/gcc ChangeLog haifa-sched.c

[law@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	law@sourceware.cygnus.com	99/10/17 14:27:56

Modified files:
	gcc            : ChangeLog haifa-sched.c 

Log message:
	* haifa-sched.c (add_dependence): Only check/update the cache
	if it exists.
	(remove_dependence): Likewise.
	(schedule_insns): Only create the true_dependency_cache if the
	average number of instructions in a basic block is very large.