Function vld4_dup_p8 

pub unsafe fn vld4_dup_p8(a: *const u8) -> poly8x8x4_t

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

Load single 4-element structure and replicate to all lanes of four registers Arm’s documentation

Safety

• Neon intrinsic unsafe