Update of bug #37778 (project avr-libc):
Status: None => In Progress
Percent Complete: 0% => 50%
Assigned to: None => dmix
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Follow-up Comment #2:
What is the necessity to add memory barrier for _NOP()?
Common usage, like:
PORTB |= 1;
_NOP();
PORTB &= ~1;
is safe, as hardware registers are volatile.
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