[En-Nut-Discussion] newbie question - NutThreadSwitch in avr

[Ole Reinhardt]

Hi,

> in function NutThreadSwitch() of avr_thread.c
> why don't we pop and push r18 ~ r27 ??

I think I can answer you this first question. avr-gcc uses these 
registers only for it's own internal purpose. So they will never needed 
to be safed, as gcc knows about the invalidation of the registers on a 
thread switch.

Am I right?

Bye,

Ole

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