egcs/gcc ChangeLog rtl.h toplev.c flow.c

[amacleod@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	amacleod@gcc.gnu.org	2001-12-04 17:39:42

Modified files:
	gcc            : ChangeLog rtl.h toplev.c flow.c 

Log message:
	2001-12-04  Andrew MacLeod  <amacleod@redhat.com>
	
	* rtl.h (initialize_uninitialized_subregs): New prototype.
	* toplev.c (rest_of_compilation): Call initialize_uninitialized_subregs
	when optimization is on.
	* flow.c (find_regno_partial): Find subregs within an expression.
	(initialize_uninitialized_subregs): Initialize live on entry registers
	which are used in subreg expressions.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.12148&r2=1.12149
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/rtl.h.diff?cvsroot=gcc&r1=1.316&r2=1.317
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/toplev.c.diff?cvsroot=gcc&r1=1.550&r2=1.551
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/flow.c.diff?cvsroot=gcc&r1=1.493&r2=1.494