Function llvmint::ppc::qpx_qvfnmadds

pub unsafe extern "C" fn qpx_qvfnmadds(a: f64x4, b: f64x4, c: f64x4) -> f64x4

The llvm.ppc.qpx.qvfnmadds intrinsic; known as __builtin_qpx_qvfnmadds in GCC.