--- Additional Comments From lts-rudolph at gmx dot de 2004-12-03 08:39
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I think you are not right :-)
The gcc docs say that it is possible to overwrite the abi with ffixed-reg!
It is also an example given (qsort) which comes from external library. The
examples says that you have
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-03
12:51 ---
But not argument passing ABI sorry.
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What|Removed |Added
Status|UNCONFIRMED
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What|Removed |Added
Component|c |target
Keywords||wrong-code
--- Additional Comments From lts-rudolph at gmx dot de 2004-12-02 21:12
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Created an attachment (id=7665)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7665action=view)
only one sourcefile needed, no others attatched
Simply use source file with avr-gcc and look for using of
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-02
21:26 ---
I think this is invalid, does -ffixed-reg=r13 fix the problem?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18798
--- Additional Comments From lts-rudolph at gmx dot de 2004-12-02 21:43
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(In reply to comment #2)
I think this is invalid, does -ffixed-reg=r13 fix the problem?
No, also using ffixed-regs will result in wrong code.
As I saw in source (avr.c) the register allocation for functions
--- Additional Comments From rth at gcc dot gnu dot org 2004-12-02 21:50
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Invalid. Registers 8 through 25 inclusive are all used for parameter passing.
You cannot arbitrarily change the ABI simply by declaring registers as global.
It's your job to pick a global register that
