Re: [gentoo-amd64] About gcc 4.1.1

[Bráulio Oliveira]

thanks

On 8/31/06, Andrei Slavoiu <ansla80@×××××.com> wrote:
> --- Bráulio Oliveira <brauliobo@×××××.com> wrote:
> > thank you for you comments... could you please
> > explain me more about what is
> > ISA?
> Well, in this context, ISA means Instruction Set
> Architecture
> (http://en.wikipedia.org/wiki/Instruction_set). The
> ISA defines all the instructions that a CPU needs to
> have to be part of that architecture. Of course, the
> insructions defined by the ISA are not the only
> instructions that a CPU can understand, it can also
> have extensions, like the MMX, SSE or 3DNOW.
> Now, i386 and even i686 ISA do not include this
> extensions, so they must be explicitly activated in
> case you own a CPU that implements them. However, the
> amd64 ISA has includes those extentions so they are
> activated by default.
> HTH :)
>
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