Re: [avr-gcc-list] Reserving Global registers

[Lai Kang Tin]

I think you may try to change config/avr/avr.h in gcc source directory,
there are some defines for the usage of register allocation, change
what register(s) you wanted to FIXed purpose, but it seemded that you
must not change some of them such as R24 R25, X,Y,Z,...
Then recompile the GCC.

On Wed, 5 Sep 2001, Larry Barello wrote:

> Is there a way to tell GCC not to use certain registers in a global
> way, like on the command line?  The alternative is to declare, in each
> file, the variables and which register they are assigned to.
> 
> Cheers!
> 
> 
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