Function llvmint::x86::avx512_mask_pmull_d_512

pub unsafe extern "C" fn avx512_mask_pmull_d_512(
    a: i32x16, 
    b: i32x16, 
    c: i32x16, 
    d: i16
) -> i32x16

The llvm.x86.avx512.mask.pmull.d.512 intrinsic; known as __builtin_ia32_pmulld512_mask in GCC.