gcc/gcc ChangeLog flow.c

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2001-07-28 18:13:53

Modified files:
	gcc            : ChangeLog flow.c 

Log message:
	* flow.c (add_to_mem_set_list): New function.
	(init_propagate_block_info): Use it.
	(mark_set_1): Likewise.
	(insn_dead_p): Canonicalize memory address for dead store
	comparison.  Allow wider mode stores to kill narrower mode stores.
	(invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
	(invalidate_mems_from_set): Don't handle MEMs.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.10815&r2=1.10816
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flow.c.diff?cvsroot=gcc&r1=1.447&r2=1.448