+ likely it is that you will run into underperforming, buggy, or incomplete code.
+ </p>
+ <p>
+ For ppc64le processors, use of the Altivec feature (the Vector
+ Facility) is recommended if supported; use of the VSX feature (the
+ Vector-Scalar Facility) is recommended if supported AND Mesa is
+ built with LLVM version 4.0 or later.