Function vst1_lane_p64 

pub unsafe fn vst1_lane_p64(a: *mut u64, b: poly64x1_t, const LANE: i32)

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

Store multiple single-element structures from one, two, three, or four registers Arm’s documentation

Safety

• Neon intrinsic unsafe