Function core::arch::aarch64::vqdmull_n_s16

pub unsafe fn vqdmull_n_s16(a: int16x4_t, b: i16) -> int32x4_t

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

This is supported on AArch64 and target feature neon only.

向量饱和加倍长乘以标量