diff options
| author | Stephen Hemminger <[email protected]> | 2008-04-10 04:00:28 -0700 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2008-04-10 04:00:28 -0700 |
| commit | c0b8c32b1c96afc9b32b717927330025cc1c501e (patch) | |
| tree | 34997f5e86aa375746ecbe4f2c8899b4fa774a5e /tools/perf/scripts/python | |
| 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 <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions