Re: [Patch,AVR] Print no-return functions as JMP

[Georg-Johann Lay <avr at gjlay dot de>]

Paolo Bonzini schrieb:
> > -moptimize-noreturn-calls
> >       Optimize noreturn calls.  This might make debugging harder but
> >       will save storing the return address when calling roreturn
> >       functions.
> >
> >       Enabled at levels -O2, -O3, -Os.
> >
> > But the "makes debugging harder" clause is true for almost any optimization
> > available, so should this tautology be mentioned along with each
> > optimization that makes debugging harder?
>
> If there's one kind of debugging that you don't want to make harder,
> that's post mortem debugging.
>
> Paolo

And what is the conclusion?

- Not to imlement this optimization at all?
- Implement it but don't turn it on depending on -O*
- Implement it as is but explicitely mention
  "post mortem debugging" in docs?

There is no real post morten debugging on AVR as there is nothing like 
core dump.

Johann