From mboxrd@z Thu Jan  1 00:00:00 1970
From: Udi Finkelstein <u-boot-users@udif.com>
Date: Mon, 25 Apr 2005 17:31:33 +0300
Subject: [U-Boot-Users] Compiler question: integer division?
In-Reply-To: <426CA9EF.6080003@imc-berlin.de>
References: <42692C53.1020305@imc-berlin.de> <42693021.7090908@smiths-aerospace.com> <42693193.9070300@imc-berlin.de> <426CA9EF.6080003@imc-berlin.de>
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Steven Scholz wrote:

> How about
> 
>     a = b / 5;
>  ?
> 
> Will that result in
> 
>     a = (b >> 2) - b;
> 
> , i.e. still no division but only shift operations?
> 

I must be missing something here, because as far as I can see, the 
shift/substract combination above does not yield the same result as 
dividing by 5.

Using b=40 for example:

b/5           ->     8
(b >> 2) - b  ->   -30

Udi