GNU bug report logs - #72145
rare Emacs screwups on x86 due to GCC bug 58416

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Package: emacs;

Reported by: Paul Eggert <eggert <at> cs.ucla.edu>

Date: Tue, 16 Jul 2024 23:27:02 UTC

Severity: normal

Tags: patch

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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Message #13 received at 72145 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 72145 <at> debbugs.gnu.org
Subject: Re: bug#72145: rare Emacs screwups on x86 due to GCC bug 58416
Date: Tue, 16 Jul 2024 22:01:59 -0700

On 2024-07-16 17:57, Po Lu wrote:
> Wouldn't it be better if configure attempted to detect the presence of
> SSE2 on the host system?

We could add an AC_RUN_IFELSE test for SSE2, though I doubt whether it 
would affect builds significantly in practice. Build systems invariably 
support SSE2 nowadays and AC_RUN_IFELSE tests the build system, not the 
host system.
This bug report was last modified 276 days ago.

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