Subject: Re: diff to speed up fdalloc using two-level bitmaps
To: Niels Provos <provos@citi.umich.edu>
From: Jason Thorpe <thorpej@wasabisystems.com>
List: tech-perform
Date: 10/29/2003 06:33:34 
On Tuesday, October 28, 2003, at 08:25  AM, Niels Provos wrote:

> An inline assembly function for finding the first zero bit in a
> word would be a great thing to have across architectures.

Note that GCC has an ffs() built-in, so it will already inline that if 
the CPU back-end for the compiler provides the appropriate pattern.

         -- Jason R. Thorpe <thorpej@wasabisystems.com>