https://quasilyte.dev/blog/tags/gcc-plugin/ Recent content in [gcc plugin] on Iskander (Alex) Sharipov technical blog Hugo -- gohugo.io en-us Wed, 21 Jun 2017 00:00:00 +0000 https://quasilyte.dev/blog/post/riscv32-custom-instruction-and-its-simulation/ Wed, 21 Jun 2017 00:00:00 +0000 https://quasilyte.dev/blog/post/riscv32-custom-instruction-and-its-simulation/ Agenda This article shows how to add a new instruction to RISC-V and simulate it. These topics are covered along the way: Whole GNU riscv toolchain installation; Implementation of a new instruction for spike RISC-V ISA simulator; Manual instruction encoding in C/C++; Custom instruction simulation (with visible output); [riscv32-]GCC plugin development; You may find associated repository useful. Many things can go wrong. Be prepared to fix upcoming issues by yourself.