gcc/gcc ChangeLog tree-vrp.c

[dnovillo@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	dnovillo@gcc.gnu.org	2005-10-15 14:30:37

Modified files:
	gcc            : ChangeLog tree-vrp.c 

Log message:
	PR 23141
	PR 23142
	* tree-vrp.c (vrp_meet): Fix the intersection of equivalence
	sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
	anti-range.
	(vrp_visit_phi_node): Only prevent infinite iterations when
	the previous result and the new result are both VR_RANGEs.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.10160&r2=2.10161
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-vrp.c.diff?cvsroot=gcc&r1=2.62&r2=2.63