[llvm-dev] [RFC] Backend for Motorola 6800 series CPU (M68k)

[Min-Yih Hsu via llvm-dev]

Hi All,

I've composed a draft roadmap for this new target. I've decided to try
Github's "Projects" feature, as it provides a clearer view to see all the
blockers and action items, IMAO. Here is the link:
https://github.com/M680x0/M680x0-mono-repo/projects

Currently I only created two major milestones: Becoming an experimental
target and becoming an official target. For each milestone, I've listed the
expected features, estimated time frame (though I'm not really confident on
that), and most importantly, the blockers for the milestone.
Fortunately, all of our essential features are complete (e.g. ISel, MC), so
there will be more house cleaning tasks and bug fixing than adding new
features in the second milestone.

In addition to the aforementioned two milestones, I've added "be able to
run toy programs" as a separate milestone to accommodate some more urgent
tasks right now. More specifically, driver problems that make Clang unable
to leverage all our components.

Thank you!
Min

On Tue, Sep 29, 2020 at 11:27 AM Renato Golin <rengolin at gmail.com> wrote:

> On Tue, 29 Sep 2020 at 18:53, John Paul Adrian Glaubitz <
> glaubitz at physik.fu-berlin.de> wrote:
>
>> So, shall we setup a server for that or is there some existing
>> infrastructure
>> from LLVM that is used in this case?
>>
>
> Unfortunately, we don't have a centralised infrastructure like GCC. Each
> target community is responsible for maintaining their own buildbots.
>
> All we provide is the "build master", which aggregates all builds, email
> when there are regressions, etc.
>
> http://llvm.org/docs/HowToAddABuilder.html
>
> It should be trivial to copy & paste an existing bot config and change to
> add the experimental hardware (once it's in the tree).
>
> Pay attention to the version of buildbot you install, as using an even
> slightly different version can cause weird errors.
>
> (I'm sure you understand how many times we tried to move on for the past
> 10 years... :)
>
>
> As far as I understand, 90% of the tests already pass (according to Min).
>>
>
> Awesome! We have buildbots with test-suite running, you can copy those,
> too. There were some QEMU bots in the past, I'm not sure they're around,
> but the infra to run them should still be there.
>
> cheers,
> --renato
>


-- 
Min-Yih Hsu
Ph.D Student in ICS Department, University of California, Irvine (UCI).
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