[Bug target/49881] [AVR] Inefficient stack manipulation around calls

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49881

Georg-Johann Lay <gjl at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization

--- Comment #3 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-07-28 09:26:06 UTC ---
(In reply to comment #0)
>         in r30,__SP_L__
>         in r31,__SP_H__
>         adiw r30,1
>         in r26,__SP_L__
>         in r27,__SP_H__
>         adiw r26,1+1
>         st X,r15
>         st -X,r14
>         sbiw r26,1

This part might be related to PR46278 (fake X addressing).