GNU bug report logs - #42147
28.0.50; pure vs side-effect-free, missing optimizations?

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Message #113 received at 42147 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: mattiase <at> acm.org, monnier <at> iro.umontreal.ca, andrea_corallo <at> yahoo.it,
 42147 <at> debbugs.gnu.org
Subject: Re: bug#42147: 28.0.50; pure vs side-effect-free, missing
 optimizations?
Date: Sat, 4 Jul 2020 09:27:23 -0700

On 7/4/20 9:15 AM, Eli Zaretskii wrote:
>> * configure.ac: On x86 with GCC, default to -msse2 -mfpmath=sse.
> This assumes that the system on which Emacs runs is the same as where
> it was built, doesn't it?
It doesn't assume they're the same system. It merely assumes that build and
host platforms both support SSE2, which is a safe assumption nowadays.

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