------- Comment #1 from rguenth at gcc dot gnu dot org 2007-03-14 20:53 ------- --- ChangeLog (revision 122820) +++ ChangeLog (revision 122821) @@ -1,3 +1,12 @@ +2007-03-11 Richard Guenther <[EMAIL PROTECTED]> + + PR tree-optimization/31115 + * tree-vrp.c (extract_range_from_binary_expr): Make sure + the shift count is positive and non-anti-range for RSHIFT_EXPR. + A shift count of zero is not special as with *_DIV_EXPR. + (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow + direction. +
oh well. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31169