http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29776
--- Comment #20 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Sat Jul 6 09:34:17 2013 New Revision: 200731 URL: http://gcc.gnu.org/viewcvs?rev=200731&root=gcc&view=rev Log: PR target/29776 * fold-const.c (tree_call_nonnegative_warnv_p): Return true for BUILT_IN_C{LZ,LRSB}*. * tree.h (CASE_INT_FN): Add FN##IMAX case. * tree-vrp.c (extract_range_basic): Handle BUILT_IN_{FFS,PARITY,POPCOUNT,C{LZ,TZ,LRSB}}*. For BUILT_IN_CONSTANT_P if argument isn't (D) of PARM_DECL, fall thru to code calling set_value*. * builtins.c (expand_builtin): Remove *IMAX cases. (fold_builtin_bitop): For BUILT_IN_CLRSB* return NULL_TREE if width is bigger than 2*HWI. * libgcc2.c (__floattisf): Avoid undefined signed overflow. * gcc.dg/tree-ssa/vrp89.c: New test. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp89.c Modified: trunk/gcc/ChangeLog trunk/gcc/builtins.c trunk/gcc/fold-const.c trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c trunk/gcc/tree.h trunk/libgcc/ChangeLog trunk/libgcc/libgcc2.c
