RISC-V: The Last ISA?
RV is an open-ended collection of ISAs. Do not doubt that the number of instructions will grow as large as is found in x86 and ARM, making a mockery of the &quot;R&quot;.<p>I am ready for the successor, Risc-6, already. It can retain most details of RISC-V while fixing its more glaring deficiencies. It is not a mistake to optimize an ISA for use in undergraduate courses, but probably is one to use identically the same ISA industrially.<p>I don&#x27;t know if the worst deficiency is the need to fuse up to 5 consecutive instructions to get useful operations per clock cycle to a competitive level.<p>While fixing serious problems, numerous smaller incidentals could be patched, such as having chosen the architectural representation of &quot;true&quot; to be 1 instead of -1.