Function vqrdmlshq_s32

pub unsafe fn vqrdmlshq_s32(
    a: int32x4_t,
    b: int32x4_t,
    c: int32x4_t,
) -> int32x4_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