From: "Alex Bennée" <alex.bennee@linaro.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Arthur Miller <arthur.miller@live.com>, emacs-devel@gnu.org
Subject: Re: Native compiler - passing command line options to C compiler
Date: Wed, 01 Sep 2021 15:58:19 +0100 [thread overview]
Message-ID: <87lf4gqr3q.fsf@linaro.org> (raw)
In-Reply-To: <83bl5fkvky.fsf@gnu.org>
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Arthur Miller <arthur.miller@live.com>
>> Date: Sun, 29 Aug 2021 23:47:56 +0200
>>
>> after the few mails the other day, I wasn't really sure if Andrea is going to
>> implement it and when. I thought it was rather a tedious manual labour and maybe
>> not so important, so I took me a liberty to implement this myself in my own, so
>> called, personal copy of Eamcs sources.
>
> Thanks.
>
>> I am not sure if I have done it correctly though, I appreciate if Andrea have
>> time to take a look; I have just mainly copied your code for backend options. It
>> seems to work for me, with a minor remark: When I pass a valid option, "native",
>> in place where it should go, I get an invalid option error. Gcc even lists it in
>> the error message as a valid option. Another option "skylake" works just
>> fine. This seems to vary between flags. I am not sure if this is some encoding
>> error from Emacs to libgccjit, or if it is some bug in libgccjit, or is it just
>> my brain having dumps.
>
> I guess -march=native is something handled by GCC itself, and here we
> don't have it? If you want to be sure, ask this question on the GCC
> list, or report as a bug to their Bugzilla.
Shouldn't we be ensuring -march=native for all JIT code anyway? Are the
native eln files ever considered portable/packagable or will they always
be a product of the users current system?
--
Alex Bennée
next prev parent reply other threads:[~2021-09-01 14:58 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AM9PR09MB49778CFA83AA6697D09ED01B96CA9@AM9PR09MB4977.eurprd09.prod.outlook.com>
2021-08-30 9:36 ` Native compiler - passing command line options to C compiler Andrea Corallo via Emacs development discussions.
2021-08-30 13:56 ` Arthur Miller
2021-08-30 14:05 ` Andrea Corallo via Emacs development discussions.
2021-08-30 11:42 ` Eli Zaretskii
2021-08-30 12:59 ` Andrea Corallo via Emacs development discussions.
2021-08-30 13:28 ` Eli Zaretskii
2021-08-30 14:28 ` Andrea Corallo via Emacs development discussions.
2021-08-30 15:00 ` Arthur Miller
2021-08-30 15:38 ` Andrea Corallo via Emacs development discussions.
2021-08-31 5:36 ` Arthur Miller
2021-08-31 8:06 ` Andrea Corallo via Emacs development discussions.
2021-08-31 13:01 ` Eli Zaretskii
2021-08-31 22:53 ` Arthur Miller
2021-09-01 11:45 ` Eli Zaretskii
2021-09-01 14:23 ` Arthur Miller
2021-09-01 16:45 ` Eli Zaretskii
2021-09-01 21:06 ` Arthur Miller
2021-08-30 16:01 ` Eli Zaretskii
2021-08-30 15:50 ` Eli Zaretskii
2021-08-30 14:01 ` Arthur Miller
2021-08-30 14:03 ` Eli Zaretskii
2021-09-01 14:58 ` Alex Bennée [this message]
2021-09-01 15:10 ` Perry E. Metzger
2021-09-01 16:04 ` Eli Zaretskii
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