gcc/gcc ChangeLog flow.c reg-stack.c

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2001-03-27 22:22:23

Modified files:
	gcc            : ChangeLog flow.c reg-stack.c 

Log message:
	* flow.c (tidy_fallthru_edges): Don't combine complex edges.
	(calculate_global_regs_live): Kill call-clobbered registers
	across exception edges.
	* reg-stack.c (convert_regs_1): Kill the entire target stack
	across non-call exception edges.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.9652&r2=1.9653
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flow.c.diff?cvsroot=gcc&r1=1.385&r2=1.386
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/reg-stack.c.diff?cvsroot=gcc&r1=1.69&r2=1.70