[Bug target/45263] registers used in __do_global_ctors can get clobbered

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45263

--- Comment #16 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-05-02 
17:23:14 UTC ---
Author: gjl
Date: Wed May  2 17:23:06 2012
New Revision: 187058

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187058
Log:
    Backport from 2011-05-30 4.6-branch r174427.
    PR target/45263
    * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors):
    Don't use r20 around calls of __tablejump_elpm__


Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/config/avr/libgcc.S