StoneCutter is a grammar language created in 2020 by John D. Leidel and David Donofrio and Frank Conlon.
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In this work we introduce the StoneCutter instruction set design language and tool infrastructure. StoneCutter provides a familiar, C-like language construct by which to develop the implementation for individual, programmable instructions. The LLVM-based StoneCutter compiler performs individual instruction and whole-ISA optimizations in order to generate a high performance, Chisel HDL representation of the target design. Utilizing the existing Chisel tools, users can also generate C++ cycle accurate simulation models as well as Verilog representations of the target design. As a result, StoneCutter provides a very rapid design environment for development and experimentation.