This repository is archived. The ratified specification has been merged into the riscv-isa-manual repository as part of the Unprivileged Specification

Welcome to the RISC-V Code Size Reduction Group

If you can't measure it you can't improve it

This is the release area for the code size reduction extension:

• Zc ISA proposal

This is the the lastest spec:

• Zc-specification

GCC toolchains:

• Build from sources
• Prebuilt

For details of analysing the Zc code-size reduction extensions against your ELF file look here

• Analysis script

This is the current set of benchmark results from the analysis script:

• Benchmark results

Documentation of existing RISC-V code-size reduction ISA extensions

• Existing ISA extensions to reduce code size