[Patch,avr,committed] PR54641, PR54701

[Georg-Johann Lay]

Applied the following patches:

PR64641:
http://gcc.gnu.org/viewcvs?view=revision&revision=191714

        PR target/54641
        * config/avr/t-avr: Use ALL_COMPILERFLAGS instead of ALL_CFLAGS
        for sources compiled with COMPILER.


PR54701:
http://gcc.gnu.org/viewcvs?view=revision&revision=191701
http://gcc.gnu.org/viewcvs?view=revision&revision=191716

        PR other/54701
        * config/avr/avr.c (avr_map_decompose): Use double_int::from_uhwi
        instead of uhwi_to_double_int.
        * config/avr/avr-log.c (avr_double_int_pop_digit): Rewrite using
        double_int::udivmod.

Misc:
http://gcc.gnu.org/viewcvs?view=revision&revision=191715

        * config/avr/avr.c (avr_set_current_function): Check cfun->machine
        to be non-NULL.