OASIcs.WCET.2005.816.pdf
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Statically estimating the worst case execution time (WCET) of a program is important for real-time software. This is difficult even in the programming language level due to the inherent difficulty in detecting and exploiting infeasible paths in a program’s control flow graph. In this paper, we propose an efficient method to exploit infeasible path information for WCET estimation of a loop without resorting to exhaustive path enumeration. The ef- ficiency of our approach is demonstrated with a real-life control-intensive program.
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