Re: Article: IBM wants to "clean up the license" of Linux

John Kennedy (jk@csuchico.edu)
Mon, 4 Jan 1999 16:40:01 -0800 (PST)


[Michael Meissner]
> If you configure it for i686-unknown-linux-gnu, then the default
> compiler will compile code that is tuned for an i686 (ie,
> Pentium-Pro, Pentium-II), but still only use instructions common
> to all members of the x86 family. ...

Are you sure? I'm pretty sure that ECGS configured for an i686
will use a few optimized assembly functions that aren't on a i586 in
libc, which tends to take out a indiscriminate number of programs.
I got burned by that at one point so now configure everything for
i586-pc-linux-gnu (forget where I got that "-pc-" bit from) if I
want it to run on a i586 & i686.

I don't think I had that problem with gcc up thru 2.8.1, only
when egcs started getting really optimized.
--- john

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