Subject: Re: diff to speed up fdalloc using two-level bitmaps
To: Bang Jun-Young <junyoung@netbsd.org>
From: Jason Thorpe <thorpej@wasabisystems.com>
List: tech-perform
Date: 10/29/2003 06:37:10 
On Wednesday, October 29, 2003, at 03:48  AM, Bang Jun-Young wrote:

> BTW, how about making ffs(9) inline as well? Calling overhead seems
> to be quite high on i386...

GCC will already inline ffs() if the CPU back-end provides the 
appropriate pattern.  The right answer, if GCC is not doing it on i386, 
would be to add that pattern to i386.md.

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