* [gentoo-user] Former gcc "-march=atom" flag is now "-march=bonnell"
@ 2016-09-04 17:48 waltdnes
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From: waltdnes @ 2016-09-04 17:48 UTC (permalink / raw
To: Gentoo Users List
https://gcc.gnu.org/gcc-4.9/changes.html states...
> Optimizing for other Intel microarchitectures have been renamed to
> -march=nehalem, westmere, sandybridge, ivybridge, haswell, bonnell.
My ancient Atom netbook identifies as "bonnell".
[aa1][waltdnes][~] gcc -c -Q -march=native --help=target | grep -i march=
-march= bonnell
According to a post on the Arch forum gcc ignores "-march=atom"...
https://bbs.archlinux.org/viewtopic.php?pid=1423395#p1423395 This is
very important if you're trying to optimize for an Atom netbook.
--
Walter Dnes <waltdnes@waltdnes.org>
I don't run "desktop environments"; I run useful applications
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2016-09-04 17:48 [gentoo-user] Former gcc "-march=atom" flag is now "-march=bonnell" waltdnes
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