diff options
Diffstat (limited to 'deps/jemalloc/include/msvc_compat/strings.h')
| -rw-r--r-- | deps/jemalloc/include/msvc_compat/strings.h | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/deps/jemalloc/include/msvc_compat/strings.h b/deps/jemalloc/include/msvc_compat/strings.h index a3ee25063..f01ffdd18 100644 --- a/deps/jemalloc/include/msvc_compat/strings.h +++ b/deps/jemalloc/include/msvc_compat/strings.h @@ -21,37 +21,7 @@ static __forceinline int ffs(int x) return (ffsl(x)); } -# ifdef _M_X64 -# pragma intrinsic(_BitScanForward64) -# endif - -static __forceinline int ffsll(unsigned __int64 x) -{ - unsigned long i; -#ifdef _M_X64 - if (_BitScanForward64(&i, x)) - return (i + 1); - return (0); -#else -// Fallback for 32-bit build where 64-bit version not available -// assuming little endian - union { - unsigned __int64 ll; - unsigned long l[2]; - } s; - - s.ll = x; - - if (_BitScanForward(&i, s.l[0])) - return (i + 1); - else if(_BitScanForward(&i, s.l[1])) - return (i + 33); - return (0); -#endif -} - #else -# define ffsll(x) __builtin_ffsll(x) # define ffsl(x) __builtin_ffsl(x) # define ffs(x) __builtin_ffs(x) #endif |