Function core::arch::aarch64::vqdmlsl_high_s16

pub unsafe fn vqdmlsl_high_s16(
    a: int32x4_t, 
    b: int16x8_t, 
    c: int16x8_t
) -> int32x4_t

This is supported on AArch64 and target feature neon only.

Signed saturating doubling multiply-subtract long