David Howells cf134483b2 [PATCH] FRV: Optimise ffs() ...

Optimise ffs(x) by using fls(x & x - 1) which we optimise to use the SCAN
instruction.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2006-09-26 08:48:54 -07:00

6.0 KiB

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