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