dead function elimination
Thu Nov 9 09:19:00 GMT 2006
Nick Clifton wrote:
> Hi Jimmy,
>> Can gcc or ld perform dead procedure elimination apart from using the
>> combination of --gc-sections/-ffunction-sections?
> (Why are you excluding the --gc-sections / -ffunction-sections pairing
> which were designed precisely for this purpose ?)
> The short answer is yes. Gcc can and will eliminate unused local
> procedures, and with its --whole-program option it can even eliminate
> unused non-local procedures.
> But your question implies that you are asking if between them the linker
> and compiler can eliminate unused procedures without recompilation of
> all the sources, and in this case the answer is no.
I thght the linker alone was supposed to be able to do
dead-procedure-elimination. After all can't the linker determine which
procedures are unreferenced in the final executable?
If i'm not mistaken the diablo linker can do this?
Some one who believes imaginary things appear right before your
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