Function vst2_p64 

pub unsafe fn vst2_p64(a: *mut u64, b: poly64x1x2_t)

Available on (AArch64 or ARM64EC) and (AArch64 or ARM64EC or target feature v7) and (ARM or AArch64 or ARM64EC) and target feature neon and target feature aes only.

Store multiple 2-element structures from two registers Arm’s documentation

Safety

• Neon intrinsic unsafe