<tr>
<td>Extended integral types</td>
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1988.pdf">N1988</a></td>
- <td class="none" align="center">No</td>
+ <td class="na" align="center">N/A <a href="#n1988">(4)</a></td>
</tr>
</table>
strong compare-exchanges.</span><br />
<span id="n2664">(3): <code>memory_order_consume</code> is lowered to
<code>memory_order_acquire</code>.</span>
+<span id="n1988">(4): <code>__int128</code> is not treated as an extended
+integer type, because changing <code>intmax_t</code> would be an
+ABI-incompatible change.</span>
</p>
</div>