<p>I guess I haven't been paying enough attention, but Intel's APX is a really big update to their ISA:<br />- 32 GP registers<br />- setting flags is optional in many cases<br />- instructions take 3 operands instead of 2</p><p><a href="https://www.intel.com/content/www/us/en/developer/articles/technical/advanced-performance-extensions-apx.html" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">intel.com/content/www/us/en/de</span><span class="invisible">veloper/articles/technical/advanced-performance-extensions-apx.html</span></a></p>
