egcs/gcc ChangeLog combine.c flow.c

[amylaar@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	amylaar@gcc.gnu.org	2000-11-06 22:28:34

Modified files:
	gcc            : ChangeLog combine.c flow.c 

Log message:
	* flow.c (verify_local_live_at_start): Back out last change.
	* combine.c (distribute_notes): When parts of a hard reg are
	neither set nor referenced in PLACE, search backwards for a
	place to put a REG_UNUSED note; if none found, ask for flow
	info refresh.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.8165&r2=1.8166
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/combine.c.diff?cvsroot=gcc&r1=1.160&r2=1.161
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/flow.c.diff?cvsroot=gcc&r1=1.346&r2=1.347