Message-Id: <3.0.6.32.19990203220718.00868be0@pop.netaddress.com> X-Sender: pderbysh AT pop DOT netaddress DOT com X-Mailer: QUALCOMM Windows Eudora Light Version 3.0.6 (32) Date: Wed, 03 Feb 1999 22:07:18 -0500 To: djgpp AT delorie DOT com From: Paul Derbyshire Subject: Re: 64-bit integer math In-Reply-To: <199902030410.XAA14741@envy.delorie.com> References: <3 DOT 0 DOT 6 DOT 32 DOT 19990202215520 DOT 009449d0 AT pop DOT netaddress DOT com> <3 DOT 0 DOT 6 DOT 32 DOT 19990202172139 DOT 00921a20 AT pop DOT netaddress DOT com> <3 DOT 0 DOT 6 DOT 32 DOT 19990202150512 DOT 0090dc30 AT pop DOT netaddress DOT com> <3 DOT 0 DOT 6 DOT 32 DOT 19990202125723 DOT 00904370 AT pop DOT netaddress DOT com> <3 DOT 0 DOT 6 DOT 32 DOT 19990202125723 DOT 00904370 AT pop DOT netaddress DOT com> <3 DOT 0 DOT 6 DOT 32 DOT 19990202150512 DOT 0090dc30 AT pop DOT netaddress DOT com> <3 DOT 0 DOT 6 DOT 32 DOT 19990202172139 DOT 00921a20 AT pop DOT netaddress DOT com> <3 DOT 0 DOT 6 DOT 32 DOT 19990202215520 DOT 009449d0 AT pop DOT netaddress DOT com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Reply-To: djgpp AT delorie DOT com At 11:10 PM 2/2/99 -0500, you wrote: > >> >gcc does 64-bit multiplies with one mul, two imuls, and two adds. >> >> How's a plain mul and an imul differ? :-) > >mul is unsigned >imul is signed Oh. Thanks. :-) -- .*. "Clouds are not spheres, mountains are not cones, coastlines are not -() < circles, and bark is not smooth, nor does lightning travel in a `*' straight line." ------------------------------------------------- -- B. Mandelbrot |http://surf.to/pgd.net _____________________ ____|________ Paul Derbyshire pderbysh AT usa DOT net Programmer & Humanist|ICQ: 10423848|