NDLI: tcc:a system for fast, flexible, and high-level dynamic code generation

Content Provider	ACM Digital Library
Author	Engler, Dawson R. Poletto, Massimiliano Kaashoek, M. Frans
Abstract	tcc is a compiler that provides efficient and high-level access to dynamic code generation. It implements the 'C ("Tick-C") programming language, an extension of ANSI C that supports dynamic code generation [15]. 'C gives power and flexibility in specifying dynamically generated code: whereas most other systems use annotations to denote run-time invariants. 'C allows the programmer to specify and compose arbitrary expressions and statements at run time. This degree of control is needed to efficiently implement some of the most important applications of dynamic code generation, such as "just in time" compilers [17] and efficient simulators [10, 48, 46].The paper focuses on the techniques that allow tcc to provide 'C's flexibility and expressiveness without sacrificing run-time code generation efficiency. These techniques include fast register allocation, efficient creation and composition of dynamic code specifications, and link-time analysis to reduce the size of dynamic code generators. tcc also implements two different dynamic code generation strategies, designed to address the tradeoff of dynamic compilation speed versus generated code quality. To characterize the effects of dynamic compilation, we present performance measurements for eleven programs compiled using tcc. On these applications, we measured performance improvements of up to one order of magnitude.To encourage further experimentation and use of dynamic code generation, we are making the tcc compiler available in the public domain. This is, to our knowledge, the first high-level dynamic compilation system to be made available.
Starting Page	109
Ending Page	121
Page Count	13
File Format	PDF
ISSN	03621340 15581160
DOI	10.1145/258916.258926
Journal	ACM SIGPLAN Notices (SIGP)
Volume Number	32
Issue Number	5
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1983-05-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Software

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