Function core::arch::aarch64::vfmsq_n_f32

pub unsafe fn vfmsq_n_f32(a: float32x4_t, b: float32x4_t, c: f32) -> float32x4_t

Available on AArch64 and target feature neon only.

浮点相乘相减到累加器 accumulator(vector)

Arm’s documentation