https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61725
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Tue Jul 8 09:39:57 2014 New Revision: 212353 URL: https://gcc.gnu.org/viewcvs?rev=212353&root=gcc&view=rev Log: PR tree-optimization/61725 * tree-vrp.c (extract_range_basic): Don't assume vr0 is unsigned range, use range_includes_zerop_p instead of integer_zerop on vr0->min, only use log2 of max if min is not negative. * gcc.dg/tree-ssa/vrp93.c: New test. * gcc.c-torture/execute/pr61725.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr61725.c trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp93.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c