upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-06-12 18:20:49 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

netisr: avoid ffs(0)

Browse source 
A rearrangement to avoid computing ffs(0) saves 128 bytes in resulting
amd64 object code.

Reviewed by:	brooks
Differential Revision:	https://reviews.freebsd.org/D41254
This commit is contained in:
Doug Moore 2024-07-26 11:51:17 -05:00
parent 1f7df75701
commit 1d897d19f3
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
sys/net/netisr.c
View file

@ -968,8 +968,8 @@ swi_net(void *arg)
nwsp->nws_flags |= NWS_RUNNING;
nwsp->nws_flags &= ~NWS_SCHEDULED;
while ((bits = nwsp->nws_pendingbits) != 0) {
while ((prot = ffs(bits)) != 0) {
prot--;
while (bits != 0) {
prot = ffs(bits) - 1;
bits &= ~(1 << prot);
(void)netisr_process_workstream_proto(nwsp, prot);
}