Re: [ ld ] Going to contribute

["Yuri Rassokhin" <yrassokhin at hotmail dot com>]

> From: Ian Lance Taylor <ian@airs.com>
> To: "Yuri Rassokhin" <yrassokhin@hotmail.com>
> CC: binutils@sourceware.org
> Subject: Re: [ ld ] Going to contribute
> Date: 20 Jul 2005 23:25:32 -0700
>
> "Yuri Rassokhin" <yrassokhin@hotmail.com> writes:
>
> > I have a plan for realizing at least 2 link-time optimizations in GNU
> > toolchain, that is, 2 ld optimizations:
> > - Function inling,
>
> I'm not sure how the linker can do function inlining.  Can you explain
> this further?


OK, I'll do it.


> > - Non-called function removing (iff the final executable is being
> > linked, or the entry point is given explicitly).
>
> This one is already implemented, via the compiler option
> -ffunction-sections and the linker option --gc-sections.


To be correct, this one is implemented for some particular target platforms 
only (+)
At the same time, the concept of dead function elimination is 
machine-independent (as far as I can see).
Having this in mind, I do not satisfied with (+).
My plan is to implement function elimination in general case.


Best regards,
    Yuri Rassokhin.

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