A Development Environment for Horizontal Microcode

  • Authors:
  • A. Aiken;A. Nicolau

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Transactions on Software Engineering
  • Year:
  • 1988

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Abstract

A development environment for horizontal microcode is described that uses percolation scheduling-a transformational system for parallelism extraction-and an interactive profiling system to give the user control over the microcode compaction process while reducing the burdensome details of architecture, correctness preservation, and synchronization. Through a graphical interface, the user suggests what can be executed in parallel, while the system performs the actual changes using semantics-preserving transformations. If a request cannot be satisfied, the system reports the problem causing the failure. The user can then help eliminate the problem by supplying guidance or information not explicit in the code.