Function llvmint::x86::avx512_mask_broadcasti64x4_512

pub unsafe extern "C" fn avx512_mask_broadcasti64x4_512(
    a: i64x4, 
    b: i64x8, 
    c: i8
) -> i64x8

The llvm.x86.avx512.mask.broadcasti64x4.512 intrinsic; known as __builtin_ia32_broadcasti64x4_512 in GCC.