[kaffe] i can't quite catch the method of "translate"
jim at pagesmiths.com
Fri Feb 17 15:08:45 PST 2006
yan wei wrote:
> some relative documents I have read, but I have some questions about the
> notes above:
> in the notes, what is the "Registers"? what is the "CFG"? what it
> means about "edge"? what is the "basic block?", what the "spill" means?
> what those words above describe?
These are commonly-used terms in compiler design and implementation.
CFG -> Control Flow Graph (a graph of basic blocks).
Registers -> Registers of the target processor.
Basic Block -> A sequential segment of code with no entries or exits.
Spill -> Assign variables to the stack frame rather than registers.
Edge (of a CFG) -> A possible transfer of control from one basic block
Those definitions should be enough for you to Google a lot more
information. Even better, check out Wikipedia (enter any of the terms
in the search field at http://www.wikipedia.org/ for some very good
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