| commit | c0b8c32b1c96afc9b32b717927330025cc1c501e | [log] [tgz] |
|---|---|---|
| author | Stephen Hemminger <shemminger@vyatta.com> | Thu Apr 10 04:00:28 2008 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Thu Apr 10 04:00:28 2008 -0700 |
| tree | 34997f5e86aa375746ecbe4f2c8899b4fa774a5e | |
| 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>