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

Min-Yih Hsu via llvm-dev llvm-dev at lists.llvm.org
Thu Dec 3 23:32:25 PST 2020

Hi All,

Another major update on this topic: currently I’ve addressed most of the feedbacks on the Phabricator patches. (I think only one was left and that’s related to Windows, but since our own buildbots only run non-Windows system I think it’s fine for now)

More importantly, I’ve fixed rest of the test failures, so now except one XFAIL test case, which takes more time to fix it, M68k passes all of its tests now :-)

Personally, I think the M68k backend is in good shape to become an experimental LLVM backend.

Currently only Patch 7 (D88393) has Renato’s semi-LGTM, and he was also asking other people’s opinion and LGTM. It would be great if anyone can help reviewing and approving these patches.

The journey of getting M68k backend upstream has gone pretty far and again, I really appreciate feedbacks and helps from reviewers and everyone on this thread!


> On Nov 17, 2020, at 2:46 AM, John Paul Adrian Glaubitz via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> Hi Simon!
> On 11/15/20 9:33 PM, Simon Pilgrim via llvm-dev wrote:
>> I guess we need a "Backend: M68k" bugzilla component - is there anything else?
> I have filed a bug report for this now [1] since I know understood what "component"
> was referring to ;-).
> Adrian
>> [1] https://bugs.llvm.org/show_bug.cgi?id=48199
> -- 
> .''`.  John Paul Adrian Glaubitz
> : :' :  Debian Developer - glaubitz at debian.org
> `. `'   Freie Universitaet Berlin - glaubitz at physik.fu-berlin.de
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