d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

arm/ffs.S: remove stale comment.

Browse Source 
We already use the CLZ instruction.

Discussed with: andrew
This commit is contained in:
Pedro F. Giffuni 2019-12-28 02:11:41 +00:00
parent 2c1962aba6
commit ece7a5e984
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=356141
1 changed files with 0 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/libc/arm/string/ffs.S
View File

@ -40,9 +40,6 @@ __FBSDID("$FreeBSD$");
* 6 bits as an index into the table. This algorithm should be a win
* over the checking each bit in turn as per the C compiled version.
*
* under ARMv5 there's an instruction called CLZ (count leading Zero's) that
* could be used
*
* This is the ffs algorithm devised by d.seal and posted to comp.sys.arm on
* 16 Feb 1994.
*/