| commit | be0e1e788b0973147b6b83cc940676cc26009eb7 | [log] [tgz] |
|---|---|---|
| author | Ian Abbott <abbotti@mev.co.uk> | Thu Jul 07 01:18:49 2011 +0000 |
| committer | David S. Miller <davem@davemloft.net> | Thu Jul 07 04:52:24 2011 -0700 |
| tree | 75083bdb5b5d9e266b0c632406d67f69505d527c | |
| parent | 97bc3633bec7ed0fdfbda6b9cf86c51e4f58f8e2 [diff] |
lib/checksum.c: optimize do_csum a bit Reduce the number of variables modified by the loop in do_csum() by 1, which seems like a good idea. On Nios II (a RISC CPU with 3-operand instruction set) it reduces the loop from 7 to 6 instructions, including the conditional branch. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>