Function safe_arch::shuffle_av_f64_half_m256d

pub fn shuffle_av_f64_half_m256d(a: m256d, b: m256i) -> m256d

Available with target feature avx only.

Shuffle f64 lanes in a using bit 1 of the i64 lanes in v.

Each lane selection value picks only within that 128-bit half of the overall register.

• Intrinsic: _mm256_permutevar_pd
• Assembly: vpermilpd ymm, ymm, ymm