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| author | David S. Miller <davem@davemloft.net> | 2011-08-02 20:23:34 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-08-02 21:28:53 -0700 |
| commit | 56d205cc5c0a3032a605121d4253e111193bf923 (patch) | |
| tree | 1e37a74fd6df18ec35a9d6a1f70eca2e649e4afb /arch/sparc/include | |
| parent | ea5e7447ea9d555558e0f13798f5143dd51a915a (diff) | |
| download | lwn-56d205cc5c0a3032a605121d4253e111193bf923.tar.gz lwn-56d205cc5c0a3032a605121d4253e111193bf923.zip | |
sparc: Use popc when possible for ffs/__ffs/ffz.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include')
| -rw-r--r-- | arch/sparc/include/asm/bitops_64.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h index 3588807baa6e..29011cc0e4be 100644 --- a/arch/sparc/include/asm/bitops_64.h +++ b/arch/sparc/include/asm/bitops_64.h @@ -26,16 +26,17 @@ extern void change_bit(unsigned long nr, volatile unsigned long *addr); #define smp_mb__before_clear_bit() barrier() #define smp_mb__after_clear_bit() barrier() -#include <asm-generic/bitops/ffz.h> -#include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/fls.h> #include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls64.h> #ifdef __KERNEL__ +extern int ffs(int x); +extern unsigned long __ffs(unsigned long); + +#include <asm-generic/bitops/ffz.h> #include <asm-generic/bitops/sched.h> -#include <asm-generic/bitops/ffs.h> /* * hweightN: returns the hamming weight (i.e. the number |