diff options
| author | Stephen Hemminger <shemminger@vyatta.com> | 2008-04-10 07:00:28 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-04-10 07:00:28 -0400 |
| commit | c0b8c32b1c96afc9b32b717927330025cc1c501e (patch) | |
| tree | 34997f5e86aa375746ecbe4f2c8899b4fa774a5e /lib/rwsem-spinlock.c | |
| parent | 996b1dbadcbcafb899f022303e01d46ab87920eb (diff) | |
IPV4: use xor rather than multiple ands for route compare
The comparison in ip_route_input is a hot path, by recoding the C
"and" as bit operations, fewer conditional branches get generated
so the code should be faster. Maybe someday Gcc will be smart
enough to do this?
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/rwsem-spinlock.c')
0 files changed, 0 insertions, 0 deletions