一个简短的问题:英特尔内部技术指南https://software.intel.com/sites/landingpage/IntrinsicsGuide说<a href="{{url('video/{$proo->id}/click')}}" class="js-click-video" style="border:none; background:none;">
<video class="video1" id="cb" preload="auto" data-post-id="{$proo->id}" style=" overflow: hidden; width: 30vh; object-fit: cover; float:left; clear:both;
height: auto; padding-left:2%; margin-top:0px; border:2px solid white; cursor:pointer; "><source src="{{$proo->intro_video}}#t=13" playsinline alt="Video Unavailable" id="" ></source>
</a>
可用于AVX512F。但是,gcc 5.4似乎没有提供此内在函数。为什么是这样?它会出现在更高的gcc版本中吗?