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Inlining failed, large function growth limit reached

w00te
w00te asked
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Last Modified: 2012-05-10
Hey guys,

Our build is getting a warning about inlining failing due to a large function growth limit being reached (gcc compiler).  The code causing the warning is a auto generated framework for our industry (so it's probably not going to be changed).  Anyway, i was hoping that someone could provide insight on the implications of this warning even if we can't change the code...

(1) what specificly does the warning mean?
(2) can I assume that the result of the inlining failing is simply that the function is defined as a standard function rather than inlined (i.e. placed throughout the code in full code form)?

Thanks in advance,

-w00te
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Thanks for the info :) Like I said, its an existing industry framework so I can't really touch it.  Its comforting to know nothing too bad is happening besides some lost efficiency though, haha.  It had me worried.

-w00te
CERTIFIED EXPERT
Top Expert 2009

Commented:
Nothing bad is happening, no. But it does indicate an issue with the code - namely that functions are too big, which might degrade performance. But if that's something you cannot touch, then you'll have to live with the warnings I guess ;)

It's fun maintaining big old code bases isn't it ? Especially if they throw in a lot of generated code.

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