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In [12] the authors introduced the concept of binding time optimization and presented a series of data flow analytic methods for determining some of the binding time characteristics of programs. In this paper we extend that work by providing methods for determining the class of shapes which an unbounded data object may assume during execution of a LISP-like(More)
As part of an effort to develop an optimizing compiler for a pipelined architecture, a code reorganization algorithm has been developed that significantly reduces the number of runtime pipeline interlocks. In a pass after code generation, the algorithm uses a dag representation to heuristically schedule the instructions in each basic block. Previous(More)
Two different methods of flow analysis are discussed, one a significant generalization of the other. It is shown that the two methods have significantly different intrinsic computational complexities. As an outgrowth of our observations it is shown that a feature of the programming language used by Dijkstra in A Discipline of Programming makes it unsuitable(More)
A new approach to the design of a programming language and its processor is proposed and some of the techniques necessary to realize the design are investigated. The language would have a precisely specified syntax and semantics, with both designed to provide the programmer maximal expressive power and to be as easily understood as possible. The semantics(More)