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Common Subexpression Elimination in Compilers by Rishi Agrawal is a document available to read on EtoBox.
What is Common Subexpression Elimination in Compilers about?
The document discusses two questions related to system software: 1. Common subexpressions are eliminated during the optimization phase of compilation. This is done to reduce execution time and memory usage by detecting repeated computations and storing the results in temporary variables. 2. In a two-pass assembler, symbols must be defined before use to avoid errors. The first pass collects symbol definitions and the second pass does symbol resolution and emits object code.
- Author
- Rishi Agrawal
- Language
- EN