Re: [avr-libc-dev] [bug #19050] gcrt1.S should call main rather thanjumping to it

[Björn Haase]

> For similar reasons, I'd suggest to consider dropping -mcall-prologues
> which saved a little code size at the cost of speed, and made a lot of
> sense a few years ago, when flash sizes were much smaller than today.
> And, it probably wouldn't work with the new 3-byte PC devices anyway.
> (The option probably should still be accepted as a no-op, to avoid
> breaking existing Makefiles - it was only a hint, and the different
> prologues were not guaranteed, only used when they saved code size).
Hello Marek,

IMO -mcall-prologues is still precious. IMO the only real reason for existence 
of AVR are the small low-cost devices. And there -mcall-prologues could be 
*very* helpful.

Yours,

Bjoern.