On Sep 14, 2005, Joe Buck <[EMAIL PROTECTED]> wrote: > On Wed, Sep 14, 2005 at 02:15:43PM -0300, Alexandre Oliva wrote:
>> Yep, it was pointer subtraction, and GCC actually optimized the >> division, that could in theory be assumed to be exact, into a >> multiplication by a large constant (aah, the wonders of modulo >> arithmetics :-) > People that don't like the GCC optimization It's not entirely clear that you got the impression I didn't like it. I have no objection at all, I was just providing the additional details as to the bug we'd run into because of unspecified uses of pointer subtraction, as requested by DanJ. -- Alexandre Oliva http://www.lsd.ic.unicamp.br/~oliva/ Red Hat Compiler Engineer [EMAIL PROTECTED], gcc.gnu.org} Free Software Evangelist [EMAIL PROTECTED], gnu.org}
