Intel® C++ Compiler 16.0 User and Reference Guide
Performs a trailing zero bit count. This intrinsic only applies to Intel® Many Integrated Core Architecture (Intel® MIC Architecture).
extern int __cdecl _mm_tzcnt_32(unsigned int x); |
extern __int64 __cdecl _mm_tzcnt_64(unsigned __int64 x); |
x |
integer, with 32-bit elements (for _mm_tzcnt_32) or 64-bit elements (for _mm_tzcnt_64) |
Performs a trailing bit count on integer x.
Returns scalar value result count operation.