Re: What architecture are we?
Brian C. White writes:
> I agree with your reasoning, but I don't put that much faith in the
> compiler. I figure that if I say to gcc, "optimize for the Pentium"
> then gcc is free to use all instructions available on a Pentium. We
> assume that later generation chips will not remove instructions (or at
> least seamlessly emulate removed instructions), but some instructions
> may not exist on older generation chips.
>
> Thus, barring a guarantee from the compiler guys, if Debian supports
> the i386 then everything should be optimized for "i386".
Gcc does not currently use any non-i386 instructions when compiling
for i[345]86 targets. It does, however, apply different optimizations
depending on which specific cpu is being targeted.
David
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David Engel Optical Data Systems, Inc.
david@ods.com 1001 E. Arapaho Road
(972) 234-6400 Richardson, TX 75081
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