[Bug target/49313] Inefficient libgcc implementations for avr

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49313

--- Comment #13 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-11-21 
08:56:51 UTC ---
Author: gjl
Date: Mon Nov 21 08:56:44 2011
New Revision: 181551

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181551
Log:
    PR target/49313
    * config/avr/t-avr (LIB2FUNCS_EXCLUDE): Add _moddi3, _umoddi3.
    (LIB1ASMFUNCS): Add _divdi3, _udivdi3, _udivmod64, _negdi2.
    * config/avr/lib1funcs.S (wmov): New assembler macro.
    (__umoddi3, __udivdi3, __udivdi3_umoddi3): New functions.
    (__moddi3, __divdi3, __divdi3_moddi3): New functions.
    (__udivmod64): New function.
    (__negdi2): New function.


Modified:
    trunk/libgcc/ChangeLog
    trunk/libgcc/config/avr/lib1funcs.S
    trunk/libgcc/config/avr/t-avr