On Wed, Aug 22, 2012 at 02:19:19PM +0200, Richard Guenther wrote: > > 2012-08-21 Marc Glisse <marc.gli...@inria.fr> > > > > PR tree-optimization/54317 > > > > gcc/ > > * tree-vrp.c (extract_range_from_binary_expr_1): Test for > > double_int overflow. > > Remove dead tests. > > > > gcc/testsuite/ > > * gcc.dg/tree-ssa/vrp79.c: New testcase. > > > > -- > > + n <<= (8 * sizeof (NT) - 1);
Better use __CHAR_BIT__ instead of 8 here...
Jakub
