_mm256_zextsi128_si256
Classification
AVX_ALL, Cast, CPUID Test: AVX
Header File
immintrin.h
Synopsis
 _mm256_zextsi128_si256(__m128i a);
Description
Cast vector of type __m128i to type __m256i; the upper 128 bits of the result are zeroed. This intrinsic is only used for compilation and does not generate any instructions, thus it has zero latency.