gcc/gcc ChangeLog df.c df.h sched-deps.c

[hpenner@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	hpenner@gcc.gnu.org	2003-03-11 09:17:38

Modified files:
	gcc            : ChangeLog df.c df.h sched-deps.c 

Log message:
	* df.c (read_modify_subreg_p): Change from static to global.
	* df.h (read_modify_subreg_p): Add prototype.
	* sched-deps.c (sched_analyze_1): Generate true dependency for
	strict_low_part, certain subregs and zero/sign_extract.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.17025&r2=1.17026
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/df.c.diff?cvsroot=gcc&r1=1.47&r2=1.48
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/df.h.diff?cvsroot=gcc&r1=1.16&r2=1.17
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/sched-deps.c.diff?cvsroot=gcc&r1=1.55&r2=1.56