Function vqrdmlshq_lane_s16

pub unsafe fn vqrdmlshq_lane_s16(
    a: int16x8_t,
    b: int16x8_t,
    c: int16x4_t,
    const LANE: i32,
) -> int16x8_t

Available on (AArch64 or target_arch="arm64ec") and target feature rdm only.

Signed saturating rounding doubling multiply subtract returning high half

Arm’s documentation