[fpc-devel] Pure function Wiki page

[Dmitry Boyarintsev]

On Sun, Jul 8, 2018 at 8:15 PM, J. Gareth Moreton <gareth at moreton-family.com
> wrote:

> Yes, if any parameters are variables, then the function is not evaluated.
> My intention is that the purity of a function is only determined when it
> comes to evaluating it in an expression, but because of how complex
> functions can become, the "pure" directive hints to the compiler that the
> given function is pure and it should attempt the laborous task of
> evaluating it, rather than the opposite approach of attempting to evaluate
> all functions with constant actual parameters and potentially increasing
> the compilation time by several orders of magnitude (don't forget it might
> be attempting to do the same thing with system functions if the project is
> undergoing a full build).


 if FPC assembler reader powerful enough to analyze and trust assembler
functions marked as pure?

thanks,
Dmitry
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freepascal.org/pipermail/fpc-devel/attachments/20180708/73045452/attachment.html>