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Re:The Emacs-28 release branch has been created by 5e92cb50239222b on Friday October 01, 2021 @09:59AM (#28718504)
IME the only thing -march=native does is it makes it impossible to boot your system on an older microarchitecture (which is trivial with Linux otherwise — I really don't understand those who bring their bad Windows habits and do a reinstall when moving between systems).
Re:The Emacs-28 release branch has been created by taeric on Friday October 01, 2021 @10:07AM (#28718591)
I mean, it would do that. But, I also have never just moved the hard drive between machines. I've only owned two machines in the last decade. So, not even something I have had a lot of opportunity to do.

Back to the point, though, I'm assuming that libc dynamically does most of the optimizations that native enables?