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| author | Simon Kagstrom <simon.kagstrom@netinsight.net> | 2009-08-24 09:10:12 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-09-15 22:34:32 +0200 |
| commit | 52d61227b66d4099b39c8309ab37cb67ee09a405 (patch) | |
| tree | 0c5562920f48672d38baf05dd744118a4a8f2e69 /include/asm-i386 | |
| parent | 4b15de08fe4d2c9d12a3764394731018a763216b (diff) | |
| download | u-boot-52d61227b66d4099b39c8309ab37cb67ee09a405.tar.gz | |
Define ffs/fls for all architectures
UBIFS requires fls(), which is not defined for arm (and some other
architectures) and this patch adds it. The implementation is taken from
Linux and is generic. ffs() is also defined for those that miss it.
Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Diffstat (limited to 'include/asm-i386')
| -rw-r--r-- | include/asm-i386/bitops.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-i386/bitops.h b/include/asm-i386/bitops.h index b768e20fbb..ac6285aa5f 100644 --- a/include/asm-i386/bitops.h +++ b/include/asm-i386/bitops.h @@ -349,6 +349,7 @@ static __inline__ int ffs(int x) "1:" : "=r" (r) : "g" (x)); return r+1; } +#define ffs /** * hweightN - returns the hamming weight of a N-bit word |