Function vld4q_dup_f16 

pub unsafe fn vld4q_dup_f16(a: *const f16) -> float16x8x4_t

🔬This is a nightly-only experimental API. (stdarch_neon_f16 #136306)

Available on ARM and target feature fp16 and target feature neon and target feature v7 and (AArch64 or ARM or ARM64EC) and (AArch64 or ARM64EC) and (AArch64 or ARM64EC or target feature v7) and non-ARM64EC only.

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

Safety

• Neon intrinsic unsafe