This repo enumerates standard RISC-V instruction opcodes and control and status registers. It also contains a script to convert them into several formats (C, Scala, LaTeX). Artifacts (encoding.h, ...

Abstract: Reducing the code ... of re-encoding the unused bits (we call them re-encodable bits) in the instruction format for a specific application to improve the compression ratio. Re-encoding those ...

and all the encoding of the instructions is done in 64 bits, and all the general purpose registers are also 64 bits wide. I went with 64-bit instructions instead of the 16-bits that the LC-3 uses, ...

Abstract: Based on 512-bit SIMD instructions, a Huffman encoding implementation ... establishing the Huffman coding table, data initialization, look-up table, and shifting and merging data. We ...