Function vqrdmlsh_lane_s32

pub unsafe fn vqrdmlsh_lane_s32(
    a: int32x2_t,
    b: int32x2_t,
    c: int32x2_t,
    const LANE: i32,
) -> int32x2_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