"ARMv8 code density is quite good for a fixed-length ISA and is of course much better than that of RISC-V." not true you could compile and compare, say, gcc (

"ARMv8 code density is quite good for a fixed-length ISA and is of course much better than that of RISC-V." not true you could compile and compare, say, gcc (cc1) of the same version on arm64 and rv. arm64 has larger binaries