a name="l00164"></a><span class="lineno">  164</span>&#160;</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keywordflow">if</span> (!IsBetaZero) {</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;      <span class="keywordflow">if</span> (!output_op.is_source_needed()) {</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        source_iterator.clear_mask();</div><div class="line"><a name="l