Re: [Tarantool-patches] [PATCH luajit 3/3] FFI/ARM64/OSX: Fix vararg call handling.

[Igor Munkin via Tarantool-patches <tarantool-patches@dev.tarantool.org>]

Sergos,

On 13.05.21, Sergey Ostanevich wrote:
> Well, this doesn't help me with
> 
> > Since all LJ_TARGET_IOS usage is done with LJ_TARGET_ARM64 define being
> > set, we can simply replace all occurrences with LJ_TARGET_OSX.

OK, as a result of offline discussion I've finally got it (hope you
too). Everything written above relates only to FFI sources that are
touched within this changeset (consider FFI prefix in commit subject).

> 
> alongside with
> 
> > src/lj_prng.c:112:#if LJ_TARGET_OSX && !LJ_TARGET_IOS

Strictly saying, this commit[1] has not been backported yet.

> 
> because if we apply first then the second will evaluate into
> 
> src/lj_prng.c:112:#if LJ_TARGET_OSX && !LJ_TARGET_OSX
> 
> which is always false?
> 
> Also there are still operable 32bit apps, including games, so iOS
> still supports 32bits - can this change cause problems? I believe Mike
> doesn’t care too much, so it can easily slip through.

As we discussed, 32-bit platforms are not touched in this commit, so
nothing criminal.

Anyway, I see this is unclear to you, but everything is OK for Sergey.
Do I need to reword this part of commit message or even drop it?

> 
> Sergos
> 
> 
> 
> > On 13 May 2021, at 00:59, Igor Munkin <imun@tarantool.org> wrote:
> > 
> > Sergos,
> > 
> > On 12.05.21, Sergey Ostanevich wrote:
> >> Hi!
> >> 
> >> I can’t get this then
> >> 
> >>  src/lj_prng.c:112:#if LJ_TARGET_OSX && !LJ_TARGET_IOS
> > 
> > There is a verbose comment nearby[1] and the corresponding issue[2].
> > 
> >> 
> >> How’s that survived in 2.1 branch?
> >> 
> >> regards,
> >> Sergos
> >> 
> >> 
> >>> On 11 May 2021, at 14:31, Igor Munkin <imun@tarantool.org> wrote:
> >>> 
> >>> Sergey,
> >>> 
> >>> Thanks for your review!
> >>> 
> >>> On 11.05.21, Sergey Kaplun wrote:
> >>>> Hi, Igor!
> >>>> 
> >>>> Thanks for the patch!
> >>>> LGTM!
> >>> 
> >>> Added your tag:
> >>> | Reviewed-by: Sergey Kaplun <skaplun@tarantool.org>
> >>> 
> >>> Also mentioned the issue[1]:
> >>> | Resolves tarantool/tarantool#6066
> >>> 
> >>>> 
> >>>> -- 
> >>>> Best regards,
> >>>> Sergey Kaplun
> >>> 
> >>> [1]: https://github.com/tarantool/tarantool/issues/6066
> >>> 
> >>> -- 
> >>> Best regards,
> >>> IM
> >> 
> > 
> > [1]: https://github.com/LuaJIT/LuaJIT/blob/v2.1/src/lj_prng.c#L113-L119
> > [2]: https://github.com/LuaJIT/LuaJIT/issues/668
> > 
> > -- 
> > Best regards,
> > IM
> 

[1]: https://github.com/LuaJIT/LuaJIT/commit/7877369

-- 
Best regards,
IM