8437a67703e4dad68efa7a161dcc4c4c26070940944c66037efd0d2af67">XED_ERROR_NONE</a> is returned and the length of the encoded instruction is returned in olen.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>r</em>&nbsp;</td><td>encoder request description (<a class="el" href="group__ENC.html#gc19a60430b05a2baa08faeff10258cbe">xed_encoder_request_t</a>), includes mode info </td></tr>
    <tr><td valign="top"></