------- Comment #2 from joseph at codesourcery dot com 2006-04-03 19:22 ------- Subject: Re: Missed optimization of comparison with 'limited range'
On Mon, 3 Apr 2006, pinskia at gcc dot gnu dot org wrote: > x+1 can wrap so try x be UINT_MAX. Wrong. The test uses *unsigned char*. In the normal case of int wider than unsigned char, this promotes to int, so x+1 has range [1, UCHAR_MAX+1]. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27007
