Function vqrdmlahq_lane_s32

pub unsafe fn vqrdmlahq_lane_s32(
    a: int32x4_t,
    b: int32x4_t,
    c: int32x2_t,
    const LANE: i32,
) -> int32x4_t

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

Signed saturating rounding doubling multiply accumulate returning high half

Arm’s documentation