[Bug target/32871] [avr] Bad optimisation - gcc is pushing too many registers

[hutchinsonandy at aim dot com]

------- Comment #7 from hutchinsonandy at aim dot com  2008-04-28 00:59 -------
Attached is INCOMPLETE attempt to fix this issue.

Register saves appear to be ok. But same function is required for Argument
pointer elimination offset. It would appear DF chain info is not maintained,
when global.c  uses this. So offset used to access arguments on stack does not
reflect final value required and will fail.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32871