Re: MPS: Please check if scratch/igc builds with native compilation

[Andrea Corallo]

Gerd Möllmann <gerd.moellmann@gmail.com> writes:

> Andrea Corallo <acorallo@gnu.org> writes:
>
>> Andrea Corallo <acorallo@gnu.org> writes:
>>
>>> Helmut Eller <eller.helmut@gmail.com> writes:
>>>
>>>> Is there some way to disable optimizations for libgccjit so that the
>>>> native compiler isn't quite so slow?
>>>
>>> The following should do the job, maybe is also an interesting test to
>>> do...
>>>
>>> modified   lisp/emacs-lisp/comp.el
>>> @@ -54,7 +54,7 @@ comp
>>>    "Emacs Lisp native compiler."
>>>    :group 'lisp)
>>>
>>> -(defcustom native-comp-speed 2
>>> +(defcustom native-comp-speed 0
>>>    "Optimization level for native compilation, a number between -1 and 3.
>>>   -1 functions are kept in bytecode form and no native compilation is 
>>> performed
>>>      (but *.eln files are still produced, and include the compiled code in
>>
>> Okay a datapoint, I did managed to bootstrap two times a native compiled
>> Emacs with only this patch installed with no errors.
>
> Interesting. On my systems, speed 0 didn't change things.

Yeah, tried now speed 0 + -with-native-compilation=aot and it fails with
the very same assertion just after, so it's probably just that speed 0
stresses less the GC, but the bug is still there.

  Andrea