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Instruction Selection: Computer Science, Compiler Optimization, Adaptive Optimization
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(Buch) |
Dieser Artikel gilt, aufgrund seiner Grösse, beim Versand als 2 Artikel!
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| Please note that the content of this book primarily consists of articles
available from Wikipedia or other free sources online. In computer
science, instruction selection is the stage of a compiler backend that
transforms its tree-based middle-level intermediate representation (IR)
into a low-level IR very close to its final target language. In a
typical compiler, it precedes both instruction scheduling and register
allocation, so its output IR has an infinite set of pseudoregisters and
may still be subject to peephole optimization; otherwise, it closely
resembles the target machine code, bytecode, or assembly language. It
works by "covering" the intermediate representation with as few tiles as
possible. A tile is a template that matches a portion of the IR tree and
can be implemented with a single target instruction. |
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