pub unsafe fn _mm512_extractf64x4_pd(a: __m512d, const IMM8: i32) -> __m256d🔬This is a nightly-only experimental API. (
stdarch_x86_avx512 #111137)Available on (x86 or x86-64) and target feature
avx512f and x86-64 only.Expand description
Extract 256 bits (composed of 4 packed double-precision (64-bit) floating-point elements) from a, selected with imm8, and store the result in dst.