Function llvmint::x86::avx_vtestnzc_pd_256

pub unsafe extern "C" fn avx_vtestnzc_pd_256(a: f64x4, b: f64x4) -> i32

The llvm.x86.avx.vtestnzc.pd.256 intrinsic; known as __builtin_ia32_vtestnzcpd256 in GCC.