_mm256_castps128_ps256
Classification
AVX_ALL, Cast, CPUID Test: AVX
Header File
immintrin.h
Synopsis
 _mm256_castps128_ps256(__m128 a);
Description
Cast vector of type __m128 to type __m256; the upper 128 bits of the result are undefined. This intrinsic is only used for compilation and does not generate any instructions, thus it has zero latency.