Do you think we can split the patch intended to fix PR46779 > PR target/46779 > * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite. > In particular, allow 8-bit values in r28 and r29. > (avr_hard_regno_scratch_ok): Disallow any register that might be > part of the frame pointer. > (avr_hard_regno_rename_ok): Same.
http://gcc.gnu.org/ml/gcc-patches/2011-06/msg00810.html from the other work discussed in this thread that aims at fixing PR45291 which is "just" an optimization issue because of fake X addressing? These PR are two different things. Johann