gcc/gcc ChangeLog regrename.c

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2001-12-14 18:24:22

Modified files:
	gcc            : ChangeLog regrename.c 

Log message:
	* regrename.c (struct value_data): Add max_value_regs.
	(init_value_data): Initialize it.
	(kill_value): Kill values that overlap the dying register.
	(set_value_regno): New.
	(kill_set_value, kill_autoinc_value, copy_value): Use it.
	(copyprop_hardreg_forward_1): Kill earlyclobber operands
	before looking at inputs.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.12320&r2=1.12321
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/regrename.c.diff?cvsroot=gcc&r1=1.27&r2=1.28