RISC-V 64 little base RISC-V 64 little base compressed RISC-V 64 little general purpose RISC-V 64 little general purpose compressed RISC-V 32 little base RISC-V 32 little base compressed RISC-V 32 little base compressed RISC-V 32 little general purpose RISC-V 32 little general purpose compressed