Intel® C++ Compiler 16.0 User and Reference Guide
Moves byte mask from source vector. The corresponding Intel® AVX2 instruction is VPMOVMSKB.
extern int _mm256_movemask_epi8(__m256i s1); |
s1 |
integer source vector used for the operation. |
Creates a mask from the most significant bit of each byte of source vector s1 and stores the result in the in the returned doubleword value/mask.
Result of the move mask operation.