[Bug middle-end/118360] [avr] Expensive shift instead of bit test

[gjl at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118360

--- Comment #9 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
I don't think that would help much.  avr.h has

#define UNITS_PER_WORD 1