Are the global registers 5 and 6 really available for the operating
system or uses GCC or the linker them for a special purpose? Is it
possible to document this somewhere in to standard documentation and not
only in a header file?
gcc/ChangeLog
2014-03-08 Sebastian Huber
* config/spar
> Are the global registers 5 and 6 really available for the operating
> system or uses GCC or the linker them for a special purpose? Is it
> possible to document this somewhere in to standard documentation and not
> only in a header file?
This is documented in the ABIs so I think that the comment