Default gcc tuning?

[Ian Lance Taylor]

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  list. ]

"Zuxy Meng" <zuxy.meng@gmail.com> writes:

> "Ian Lance Taylor" <iant@google.com> дÈëÏûÏ¢ÐÂÎÅ:m3slaqidqw.fsf@localhost.localdomain...
> > "Zuxy Meng" <zuxy.meng@gmail.com> writes:
> >
> >> What will gcc do if I don't specify any -mtune? Will gcc optimize for 
> >> some
> >> default target or not do any scheduling at all?
> >
> > It will optimize for the default target.  The default target is the
> > one for which it was configured.  You can see it by running gcc -v.
> 
> Thanks! But what if the 'default target' wasn't configured?

You can't build gcc without specifying a target.

Ian