On Sun, 17 Sep 2000, Jim Meyering wrote: > Please consider using `rol( tm, 1 )' in place of the functionally > equivalent `(tm << 1) | (tm >> 31)'. Okay, I can do so. However, at least gcc 2.95.2 does optimize this construct to rol() anyway. I benchmarked both versions and there is no difference. Werner -- Werner Koch GnuPG key: 621CC013 OpenIT GmbH http://www.OpenIT.de