Re: [avr-gcc-list] Saving useless instructions in floating point functions calls

[Joerg Wunsch]

As Pascal Brisset <address@hidden> wrote:

>using the following compilation command
>
>       avr-gcc -mmcu=atmega8 -S -O4 -Wall -Wstrict-prototypes  toto.c

No idea about the FP optimizations.  However, -O4 is a useless -O
option.  Any number larger than 3 is treated as 3 (and -O3 is usually
not what you want since it tries to inline a lot of stuff, which
causes some bloat).
-- 
J"org Wunsch                                           Unix support engineer
address@hidden        http://www.interface-systems.de/~j/