> FWIW, I've repeatedly said "no" to attempts to add more assembly into rpm, 
> the only direction for assembly code is _out_. Use the auxiliary vector for 
> determining features, and for things that are not there, I don't think rpm 
> needs to care.

FWICT, the auxiliary vector for HWCAPS is no longer really used and 
applications (including glibc, gcc runtime code) have to resort to methods like 
this instead. GCC's `__builtin_cpu_supports` does unfortunately not support all 
features needed to detect these levels properly.

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