[En-Nut-Discussion] Bugs in Uart.c - Return type

Alain M. alainm at pobox.com
Tue Mar 25 21:27:57 CET 2008


Moritz Struebe escreveu:
[...]
> 4: Once again the return types are often much bigger then needed. This 
> costs registers and performance.

What do you mean?

- In ARM the fastest should be "int" which would be 32 bits.

- in AVR I don't know... but if it is not "int" then optimization needs 
a special type that generates smaller code in both cases

Alain




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