Optimal code generation for embedded memory non-homogeneous register architectures

  • Authors:
  • Guido Araujo;Sharad Malik

  • Affiliations:
  • Department of Electrical Engineering, Princeton University, Princeton, NJ;Department of Electrical Engineering, Princeton University, Princeton, NJ

  • Venue:
  • ISSS '95 Proceedings of the 8th international symposium on System synthesis
  • Year:
  • 1995

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Abstract

Abstract: This paper examines the problem of code generation for expression trees on non-homogeneous register set architectures. It proposes and proves the optimality of an O(n) algorithm for the tasks of instruction selection, register allocation and scheduling on a class of architectures defined as the [1,/spl infin/] model. Optimality is guaranteed by sufficient conditions derived from the register transfer graph (RTG), a structural representation of the architecture which depends exclusively on the processor instruction set architecture (ISA). Experimental results using the TMS320C25 as the target processor show the efficacy of the approach.