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BURS (bottom-up rewrite system) theory tackles the problem of taking a complex expression tree or intermediate language term and finding a good translation to machine code for a particular architecture. Implementations of BURS often employ dynamic programming to solve this problem.

BURS can also be applied to the problem of designing an instruction set for an application-specific instruction-set processor. [1]


  • A. V. Aho, M. Ganapathi, and S. W. K. Tjiang. Code generation using tree matching and dynamic programming. ACM Transactions on Programming Languages and Systems, 11(4):491-516, October 1989.
  • Robert Giegerich and Susan L. Graham, editors. Code Generation - Concepts, Tools, Techniques. Workshops in Computing. Springer-Verlag, Berlin, Heidelberg, New York, 1992.
  1. ^ "BURS-Based Instruction Set Selection" by Dmitri Boulytchev

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