How to target a processor with very primitive addressing modes?

Paul Koning paulkoning@comcast.net
Mon Jun 10 13:30:09 GMT 2024



> On Jun 10, 2024, at 4:47 AM, Florian Weimer via Gcc <gcc@gcc.gnu.org> wrote:
> 
> * Jeff Law via Gcc:
> 
>> If he's got a CC register exposed prior to LRA and LRA needs to insert
>> any code, that inserted code may clobber the CC state.  This is
>> discussed in the reload-to-LRA transition wiki page.
> 
> Do you mean the CC0 conversion page?
> 
>  <https://gcc.gnu.org/wiki/CC0Transition>
> 
> Thanks,
> Florian

There is also a very short page on LRA: https://gcc.gnu.org/wiki/LRAIsDefault .  It says that the change may be trivial, but a few points may need attention.

	paul



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