The GeCoS (Generic Compiler Suite) project is an open source compiler infrastructure developed in the CAIRN group since 2004.
If you use Gecos in your research work and would like to cite it, please use the following reference (this is a workshop paper decsribing the whole infrastructure and its underlying principles)
@INPROCEEDINGS{Gecos, author={A. Floc'h and T. Yuki and A. El-Moussawi and A. Morvan and K. Martin and M. Naullet and M. Alle and L. L'Hours and N. Simon and S. Derrien and F. Charot and C. Wolinski and O. Sentieys}, booktitle={Source Code Analysis and Manipulation (SCAM), 2013 IEEE 13th International Working Conference on}, title={GeCoS: A framework for prototyping custom hardware design flows}, year={2013}, pages={100-105}, month={Sept}, }