Intel® C++ Compiler 16.0 User and Reference Guide
Duplicates even-indexed double-precision floating point values. The corresponding Intel® AVX instruction is VMOVDDUP.
extern __m256d _mm256_movedup_pd(__m256d a); |
a |
float64 source vector |
Performs a duplication of even-indexed double-precision floating-point values (float64 values) in the source vector a, and returns the result.
Result of the duplication operation.