"Single registers represent a SIMD register of 1024 16-bit elements."
"Register pairs represent a SIMD register of 1024 32-bit elements. "
If you thought AVX-512 was overkill, can I introduce you to Hexagon HLX and its 32KB of register state
XFEDI
ActivityPubConversation
On the plus side, at least they finally added some mitigations. They added CFI in v85, hopefully they actually use it in their modems going forward.