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author | avg <avg@FreeBSD.org> | 2015-10-23 10:05:43 +0000 |
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committer | avg <avg@FreeBSD.org> | 2015-10-23 10:05:43 +0000 |
commit | bef317767a95df3d2c01aeedba0ec877e4757e3f (patch) | |
tree | f5eaaf2cdb2b652e900c3d0877153a96453222d4 /sys/i386/include | |
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/i386/include')
-rw-r--r-- | sys/i386/include/cpufunc.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sys/i386/include/cpufunc.h b/sys/i386/include/cpufunc.h index 2221ce9..c625dcb 100644 --- a/sys/i386/include/cpufunc.h +++ b/sys/i386/include/cpufunc.h @@ -184,6 +184,14 @@ ffs(int mask) return (mask == 0 ? mask : (int)bsfl((u_int)mask) + 1); } +#define HAVE_INLINE_FFSL + +static __inline int +ffsl(long mask) +{ + return (ffs((int)mask)); +} + #define HAVE_INLINE_FLS static __inline int @@ -192,6 +200,14 @@ fls(int mask) return (mask == 0 ? mask : (int)bsrl((u_int)mask) + 1); } +#define HAVE_INLINE_FLSL + +static __inline int +flsl(long mask) +{ + return (fls((int)mask)); +} + #endif /* _KERNEL */ static __inline void |