Function core::arch::aarch64::vld1q_dup_u8

pub unsafe fn vld1q_dup_u8(ptr: *const u8) -> uint8x16_t

🔬 This is a nightly-only experimental API. (stdsimd #48556)

This is supported on AArch64 and target feature neon only.

加载一个单一元素结构体，然后复制到所有 lanes (一个寄存器)。