Keith D. Cooper Anshuman Dasgupta Jason Eckhardt Revisiting Graph Coloring Register Allocation: A Study of the Chaitin-Briggs and Callahan-Koblenz Algorithms. 1-16 2005 conf/lcpc/2005 LCPC http://dx.doi.org/10.1007/978-3-540-69330-7_1 db/conf/lcpc/lcpc2005.html#CooperDE05