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Combinatorial spill code optimization and ultimate coalescing
Proceedings of the 2014 SIGPLAN/SIGBED conference on Languages, compilers and tools for embedded systems - LCTES '14
This paper presents a novel combinatorial model that integrates global register allocation based on ultimate coalescing, spill code optimization, register packing, and multiple register banks with instruction scheduling (including VLIW). The model exploits alternative temporaries that hold the same value as a new concept for ultimate coalescing and spill code optimization. The paper presents Unison as a code generator based on the model and advanced solving techniques using constraintdoi:10.1145/2597809.2597815 dblp:conf/lctrts/LozanoCBS14 fatcat:fkcll7muwnew3cwrrqmv6qhgai