[fpc-devel] Does FPC optimize unused parameters ?

Martin lazarus at mfriebe.de
Wed Aug 8 16:42:36 CEST 2012

On 08/08/2012 15:37, Jonas Maebe wrote:
> [removing calculation/load of unused parameters]
> No.
I assumed that...

>> (or is it possible?
> After the body of the called routine has been parsed, it would be 
> possible in theory (with indeed all the caveats the compiler would 
> have to take care of such as side effects -- note that these may 
> include non-obvious side-effects, such as potential overflow 
> exceptions and invalid pointer accesses).

I could have known that. I totally forgot it works on the declaration only.

That makes me wonder how inlining works? Doesn't inlining need to know 
the body?

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