http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54810
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-10-05 09:37:32 UTC --- Author: jakub Date: Fri Oct 5 09:37:25 2012 New Revision: 192115 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192115 Log: PR tree-optimization/54810 * tree-vrp.c (register_edge_assert_for_2): Handle NAME = (unsigned) NAME2; if (NAME cmp CST) for narrowing casts to unsigned integral type like NAME = NAME2 & CST2; if (NAME cmp CST) where CST2 is the max value of the unsigned integral type. * gcc.dg/tree-ssa/vrp85.c: New test. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp85.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c
