gcc/gcc ChangeLog.tree-ssa tree-ssa-ccp.c

Sat Feb 15 00:00:00 GMT 2003

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	law@gcc.gnu.org	2003-02-15 00:00:33

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

Log message:
	* tree-ssa-ccp.c (def_to_undefined): Improve sanity checking code
	so that it can detect invalid VARYING->UNDEFINED transitions.
	(set_lattice_value): Improve sanity checking code so that it
	does not trip on valid VARYING->CONSTANT transitions.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.236&r2=1.1.2.237
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-ccp.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.51&r2=1.1.2.52