Re: diff to speed up fdalloc using two-level bitmaps
Jason Thorpe <[email protected]>
| Newsgroups | gmane.os.netbsd.devel.performance |
|---|---|
| Message-ID | <[email protected]> |
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 <[email protected]>