229   reg.X_op = O_register;  in md_begin()
533     return (O_register == ex->X_op)   in contains_register()
552   switch (op->X_op)  in parse_exp_not_indexed()
571   switch (op->X_op)  in parse_exp()
575       if (op->X_md && (O_register == symbol_get_value_expression(op->X_add_symbol)->X_op))  in parse_exp()
584 	      if (O_subtract == op->X_op)  in parse_exp()
587 		  minus.X_op = O_uminus;  in parse_exp()
592 		  op->X_op = O_add;  in parse_exp()
598 	      op->X_op = O_md1;  in parse_exp()
606 	  op->X_op = O_md1;  in parse_exp()
718   else if ((r_type == BFD_RELOC_8_PCREL) && (val->X_op == O_constant))  in emit_byte()
722   else if (val->X_op == O_constant)  in emit_byte()
749   if (   (val->X_op == O_register)  in emit_word()
750       || (val->X_op == O_md1)  in emit_word()
758       if (val->X_op != O_constant)  in emit_word()
773   switch (arg->X_op)  in emit_mx()
811 	offset.X_op = O_symbol;  in emit_mx()
835   switch (arg_m.X_op)  in emit_m()
858   switch (arg_m.X_op)  in emit_mr()
866 	      && (arg_r.X_op == O_register)  in emit_mr()
890   switch (arg_p->X_op)  in emit_sx()
951       && (operand.X_op == O_register)  in emit_incdec()
961       if ((operand.X_op == O_md1) || (operand.X_op == O_register))  in emit_incdec()
1000       if ((O_register == addr.X_op) && (REG_HL == (rnum & ~R_INDEX)))  in emit_jp()
1027   if (mode.X_md || (mode.X_op != O_constant))  in emit_im()
1056       && (regp.X_op == O_register)  in emit_pop()
1107   if ((term.X_md) || (term.X_op != O_register))  in emit_adc()
1117 	if ((!term.X_md) && (term.X_op == O_register))  in emit_adc()
1150   if ((term.X_md) || (term.X_op != O_register))  in emit_add()
1161 	if ((!term.X_md) && (term.X_op == O_register))  in emit_add()
1194       && (b.X_op == O_constant)  in emit_bit()
1263   if (op.X_op == O_register)  in emit_ex()
1281 	if (op.X_op == O_register  in emit_ex()
1316       && reg.X_op == O_register  in emit_in()
1320       if (port.X_op != O_md1 && port.X_op != O_register)  in emit_in()
1371   if (reg.X_op == O_constant && reg.X_add_number == 0)  in emit_out()
1374       reg.X_op = O_register;  in emit_out()
1378       || reg.X_op != O_register  in emit_out()
1382     if (port.X_op != O_register && port.X_op != O_md1)  in emit_out()
1415   if (addr.X_op != O_constant)  in emit_rst()
1440       if (src->X_op == O_register)  in emit_ldxhl()
1483       if (src->X_md == 0 && src->X_op == O_register && src->X_add_number == REG_A)  in emit_ldreg()
1494       if ((src->X_md) && src->X_op != O_register && src->X_op != O_md1)  in emit_ldreg()
1503 	  && src->X_op == O_register  in emit_ldreg()
1512 	  && src->X_op == O_register  in emit_ldreg()
1531 	  && (src->X_op == O_register)  in emit_ldreg()
1548       if (src-> X_op == O_register)  in emit_ldreg()
1575 	  && src->X_op == O_register  in emit_ldreg()
1587       if (src->X_op == O_register || src->X_op == O_md1)  in emit_ldreg()
1603       if (src->X_op == O_register || src->X_op == O_md1)  in emit_ldreg()
1636   switch (dst.X_op)  in emit_ld()
1641 	dst_offset.X_op = O_symbol;  in emit_ld()
1655 	      if (src.X_md == 0 && src.X_op == O_register && src.X_add_number == REG_A)  in emit_ld()
1675       if (src.X_md != 0 || src.X_op != O_register)  in emit_ld()
1736 	  if (exp.X_op == O_md1 || exp.X_op == O_register)  in emit_data()
1800       if ((!reg.X_md) && reg.X_op == O_register)  in emit_muluw()