From: Efraim Flashner <efraim@flashner.co.il>
To: Julien Lepiller <julien@lepiller.eu>
Cc: 55431-done@debbugs.gnu.org
Subject: [bug#55431] [PATCH] guix: cpu: recognize other architectures.
Date: Wed, 18 May 2022 15:05:38 +0300 [thread overview]
Message-ID: <YoThEsqvlKoj5T5o@3900XT> (raw)
In-Reply-To: <005DC196-6142-48CF-A82E-D532D6500597@lepiller.eu>
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On Tue, May 17, 2022 at 05:55:38PM +0200, Julien Lepiller wrote:
> Thanks for fixing that anyway :)
>
> I was only interested in it because it made me unable to reconfigure my systems. I don't care too much about the --tune code, and I don't understand what you suggest. Do you mean to create "x86 on x86_64" as a separate architecture? Or as a --tune target?
>
As part of the autotuning process. GCC internally groups i686 and x86_64
together when determining how to tune for --march=native, and I'm pretty
sure I've added some i686 hardware for AMD when I was adding autotuning
support for AMD CPUs. Its similar for aarch64 and armhf, there are armhf
targets internally that accept armv8.X-a targets, so there's no need to
limit armhf tuning to armv7.
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prev parent reply other threads:[~2022-05-18 12:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-15 17:11 [bug#55431] [PATCH] guix: cpu: recognize other architectures Julien Lepiller
2022-05-17 12:59 ` bug#55431: " Efraim Flashner
2022-05-17 15:55 ` [bug#55431] " Julien Lepiller
2022-05-18 12:05 ` Efraim Flashner [this message]
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