gcc/gcc ChangeLog tree-ssa-forwprop.c

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2005-05-18 23:21:18

Modified files:
	gcc            : ChangeLog tree-ssa-forwprop.c 

Log message:
	* tree-ssa-forwprop.c (cfg_changed): New.
	(tidy_after_forward_propagate_addr): New.
	(forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
	(forward_propagate_addr_into_variable_array_index): Likewise.
	(tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
	edges were removed.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8851&r2=2.8852
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-forwprop.c.diff?cvsroot=gcc&r1=2.17&r2=2.18