tree 75083bdb5b5d9e266b0c632406d67f69505d527c
parent 97bc3633bec7ed0fdfbda6b9cf86c51e4f58f8e2
author Ian Abbott <abbotti@mev.co.uk> 1310001529 +0000
committer David S. Miller <davem@davemloft.net> 1310039544 -0700

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>