> 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.
It's one thing for gcc and glibc getting their hands dirty with details and
maybe to always get the latest info you need to do it yourself, but we're not
*that* leading edge here.
Got any pointers indicating hwcaps being deprecated? I haven't looked at
details but I remember fairly recent activity around HWCAPS, such as
https://sourceware.org/pipermail/libc-alpha/2020-May/113757.html.
GCC's __builtin_cpu_supports does unfortunately not support all features needed
to detect these levels properly.
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