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| author | David Howells <dhowells@redhat.com> | 2006-09-25 23:32:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-26 08:48:54 -0700 |
| commit | cf134483b2cd657039b305777215c531a1009947 (patch) | |
| tree | 2dad894d6e916bcf785611ded852151bbea5063b /arch/arm/lib/io-readsl.S | |
| parent | a8ad27d03f17e6154c61e81d4a7028c56ca6390d (diff) | |
| download | blackbird-op-linux-cf134483b2cd657039b305777215c531a1009947.tar.gz blackbird-op-linux-cf134483b2cd657039b305777215c531a1009947.zip | |
[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>
Diffstat (limited to 'arch/arm/lib/io-readsl.S')
0 files changed, 0 insertions, 0 deletions
