[Bug target/92545] avr: support ATmega devices from the 0-series

[gjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92545

--- Comment #7 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Author: gjl
Date: Thu Dec 19 09:31:07 2019
New Revision: 279565

URL: https://gcc.gnu.org/viewcvs?rev=279565&root=gcc&view=rev
Log:
        Backport support for some AVR devices from avrxmega3 family
        from SVN trunk r279309, r278387, r278389, r278478.

        PR target/92545
        * config/avr/avr-arch.h (avr_mcu_t) <flash_pm_offset>: New field.
        * config/avr/avr-devices.c (avr_mcu_types): Adjust initializers.
        * config/avr/avr-mcus.def (AVR_MCU): Add respective field.
        * config/avr/gen-avr-mmcu-specs.c (print_mcu)
        <*cpp, *cpp_mcu, *cpp_avrlibc, *link_pm_base_address>: Emit code
        for spec definitions.
        * config/avr/gen-avr-mmcu-texi.c: Rewrite.
        * doc/avr-mmcu.texi: Regenerate.

Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/config/avr/avr-arch.h
    branches/gcc-8-branch/gcc/config/avr/avr-devices.c
    branches/gcc-8-branch/gcc/config/avr/avr-mcus.def
    branches/gcc-8-branch/gcc/config/avr/gen-avr-mmcu-specs.c
    branches/gcc-8-branch/gcc/config/avr/gen-avr-mmcu-texi.c
    branches/gcc-8-branch/gcc/doc/avr-mmcu.texi