c448_dword_t
c448_dword_t chain = 0;
c448_dword_t chain = 0;
c448_dword_t chain = 0;
chain += ((c448_dword_t)mand) * mier[j] + accum[j];
chain += (c448_dword_t)mand * mier[j] + accum[j];