_m_f0             425 include/math-emu/op-2.h     _FP_W_TYPE _n_f2, _n_f1, _n_f0, _r_f1, _r_f0, _m_f1, _m_f0;		\
_m_f0             445 include/math-emu/op-2.h     umul_ppmm(_m_f1, _m_f0, R##_f1, Y##_f0);				\
_m_f0             473 include/math-emu/op-2.h 	umul_ppmm(_m_f1, _m_f0, R##_f0, Y##_f0);			\