[Bug target/51345] [avr] Devices with 8-bit SP need their own multilib(s)

["gjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51345

--- Comment #4 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-01-02 12:52:00 UTC ---
Author: gjl
Date: Mon Jan  2 12:51:57 2012
New Revision: 182797

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182797
Log:
contrib/
    PR target/51345
    * gcc_update (files_and_dependencies): Add
    gcc/config/avr/t-multilib, gcc/config/avr/multilib.h.

libgcc/
    PR target/51345
    * config/avr/lib1funcs.S: Remove FIXME comments.
    (SPEED_DIV): Depend on __AVR_HAVE_8BIT_SP__.
gcc/    
    PR target/51345
    * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
    (tmake_file target=avr): Add avr/t-multilib.

    * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
    to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
    * config/avr/genmultilib.awk: New file.
    * config/avr/t-multilib: New auto-generated file.
    * config/avr/multilib.h: New auto-generated file.
    * config/avr/t-avr (AVR_MCUS): New variable.
    (genopt.sh): Use it.
    (s-mlib): Depend on t-multilib.
    (t-multilib, multilib.h): New dependencies.
    (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
    (MULTILIB_OPTIONS): Remove.
    (MULTILIB_MATCHES): Remove.
    (MULTILIB_DIRNAMES): Remove.
    (MULTILIB_EXCEPTIONS): Remove:
    * config/avr/genopt.sh: Don't use hard coded file name;
    pass AVR_MCUS from t-avr instead.


Added:
    trunk/gcc/config/avr/genmultilib.awk
    trunk/gcc/config/avr/multilib.h
    trunk/gcc/config/avr/t-multilib
Modified:
    trunk/contrib/ChangeLog
    trunk/contrib/gcc_update
    trunk/gcc/ChangeLog
    trunk/gcc/config.gcc
    trunk/gcc/config/avr/avr-c.c
    trunk/gcc/config/avr/avr-mcus.def
    trunk/gcc/config/avr/genopt.sh
    trunk/gcc/config/avr/t-avr
    trunk/libgcc/ChangeLog
    trunk/libgcc/config/avr/lib1funcs.S