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Subject: Re: from where comes "__moddi3"?
From: Peter Zijlstra <peterz@infradead.org>
To: Jan-Benedict Glaw <jbglaw@lug-owl.de>
Cc: "Robert P. J. Day" <rpjday@mindspring.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: Sat, 21 Jul 2007 22:00:53 +0200
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On Sat, 2007-07-21 at 21:58 +0200, Jan-Benedict Glaw wrote:
> On Sat, 2007-07-21 21:31:13 +0200, Peter Zijlstra <peterz@infradead.org> wrote:
> > On Sat, 2007-07-21 at 15:21 -0400, Robert P. J. Day wrote:
> > 
> > use do_div().
> > 
> > 16 works because gcc translates that into a right shift.
> 
> Right shift?  Doesn't it just mask out everything but the low 4 bit?

Yeah, its bitwise and for modulo and shifts for mult and div.

Silly mistake on my side.