is_signed_type
is_signed = is_signed_type(ctype);
is_signed = is_signed_type(expr->ctype);
unsigned bits = type->bit_size - is_signed_type(type);
if (is_signed_type(type))
if (is_signed_type(vtype) && (sval < 0)) {
if (is_signed_type(type)) {
if (is_signed_type(vtype) && (sval < 0))
is_signed = is_signed_type(old_type);