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Source-level loop optimization for DSP code generation

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3 Author(s)
Bogong Su ; Dept. of Comput. Sci., William Paterson Coll., Wayne, NJ, USA ; Jian Wang ; A. Esguerra

The performance of current C compilers for DSP is almost unacceptable. One of the most important reasons is the lack of implementing software pipelining. This paper presents a remedy called source-level loop optimization. DSP programmers can use source-level loop optimization first then input its result to the DSP compiler to obtain better assembly code. The implementation of source-level loop optimization is easier than that of software pipelining. The preliminary result with the DSP compiler-challenge C code shows that source-level loop optimization is a portable and efficient approach. The detailed method and working examples are presented

Published in:

Acoustics, Speech, and Signal Processing, 1999. Proceedings., 1999 IEEE International Conference on  (Volume:4 )

Date of Conference:

15-19 Mar 1999