The French company SiPearl develops processors for supercomputers, AI, cars and weapon systems as part of the European Processor Initiative EPI.
article (in German): https://www.heise.de/newsticker/meldung/SiPearl-Firma-fuer-europaeische-CPU-mit-ARM-und-RISC-V-Technik-gegruendet-4642804.html