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Why not use -march=native?
by oconnor663 3y ago
Why not use -march=native?
- aew4ytasghe5 3y agoWhy not use -march=snark?
- inopinatus 3y agoSurprisingly, -march=native doesn’t always expand to the locally optimal build flags we might expect, particularly with gcc on non-Linux platforms.
- oconnor663 3y agoOh interesting. Is this one of those things where backwards compatibility eventually got in the way of the intended purpose?
- mattst88 3y agoI actually do. I just said -march=tigerlake to make it clear what CPU family the compiler was targeting.