_bc_shift_addsub  254 ext/bcmath/libbcmath/src/recmul.c     _bc_shift_addsub (*prod, m1, 2*n, 0);
_bc_shift_addsub  255 ext/bcmath/libbcmath/src/recmul.c     _bc_shift_addsub (*prod, m1, n, 0);
_bc_shift_addsub  257 ext/bcmath/libbcmath/src/recmul.c   _bc_shift_addsub (*prod, m3, n, 0);
_bc_shift_addsub  258 ext/bcmath/libbcmath/src/recmul.c   _bc_shift_addsub (*prod, m3, 0, 0);
_bc_shift_addsub  259 ext/bcmath/libbcmath/src/recmul.c   _bc_shift_addsub (*prod, m2, n, d1->n_sign != d2->n_sign);