Re: CPU specific/optimized Debian builds ?
On Fri, May 24, 2002 at 11:00:28AM -0700, Stephen Zander wrote:
> >>>>> "Glenn" == Glenn McGrath <email@example.com> writes:
> Glenn> I dont think -march=<cpu> should ever produce a bad binary,
> On SPARC, anything build with -march=sparcv9 or -march=ultrasparc
> (they are equivalent) will fail on non-UltraSPARC boxen, so it is
> possible to produce bad binaries with -march. I expect the same is
> true of any 32bit/64bit architecture. All the world is not x86.
That doesn't make it a bad binary.
I don't know what planet you're on, but I wouldn't expect something I
explicitly built for a K7 to run on a PIII. There's nothing special
about x86 architecture that magically enables older processors to
understand newer instruction sets...
Nick Phillips -- firstname.lastname@example.org
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