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The BEG retargetable native code generator
tool is much more than just portable code generation with a fixed
intermediate code, or a pattern matching tool for code selection.
BEG can work with input in a wide range of intermediate
representations, from abstract syntax trees to graph-based
intermediate representations like Firm. It
therefore can easily be adapted to a broad range of compiler
environments and front ends.
BEG can generate radically different code generators from the same
machine specification, controlled by options. You can select simple
very quick code generators or highly optimizing code generators using
global register allocation and instruction scheduling.
All generation is guided by a single integrated machine description,
which simplifies coding and guarantees the integrity of the whole
system.
With BEG you can build high quality code generators in a fraction of
the time and effort required for hand writing. The resulting code
generators are very reliable, because they are generated from
automatically checked formal specifications, using carefully tested
components automatically selected and customized by BEG.
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