diff options
| author | avg <avg@FreeBSD.org> | 2015-10-23 10:05:43 +0000 |
|---|---|---|
| committer | avg <avg@FreeBSD.org> | 2015-10-23 10:05:43 +0000 |
| commit | bef317767a95df3d2c01aeedba0ec877e4757e3f (patch) | |
| tree | f5eaaf2cdb2b652e900c3d0877153a96453222d4 /sys/amd64 | |
| parent | 608734213072334d2243ad8a29c1f68641582e58 (diff) | |
| download | FreeBSD-src-bef317767a95df3d2c01aeedba0ec877e4757e3f.zip FreeBSD-src-bef317767a95df3d2c01aeedba0ec877e4757e3f.tar.gz | |
MFC r261891: provide fast versions of ffsl and flsl for i386; ffsll and
flsll for amd64
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/include/cpufunc.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index 5f8197b..7464739 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -154,6 +154,14 @@ ffsl(long mask) return (mask == 0 ? mask : (int)bsfq((u_long)mask) + 1); } +#define HAVE_INLINE_FFSLL + +static __inline int +ffsll(long long mask) +{ + return (ffsl((long)mask)); +} + #define HAVE_INLINE_FLS static __inline int @@ -170,6 +178,14 @@ flsl(long mask) return (mask == 0 ? mask : (int)bsrq((u_long)mask) + 1); } +#define HAVE_INLINE_FLSLL + +static __inline int +flsll(long long mask) +{ + return (flsl((long)mask)); +} + #endif /* _KERNEL */ static __inline void |
