Re: Can I install Debian on Raspberry Pi?
On Wed, 22 Apr 2020 15:05:48 +0800
Turritopsis Dohrnii Teo En Ming <ceo@teo-en-ming.com> wrote:
> > The original 1988 ARM and many generations since did not have
> > floating point hardware. It's only when multiple cores became
> > popular that it became worth doing. Floating point hardware was
> > always a separate core, (the 80486 was an 80386 plus an 80387 in
> > the same package) using microprogramming to provide the functions.
> > The RISC ARM doesn't do the CISC/microprogram thing, so a single
> > processor would spend the same amount of time carrying out the
> > calculations whether they were a formal FP instruction set or not,
> > and the whole point of the ARM is that it is smaller and simpler
> > than a CISC processor.
>
> A bit difficult for me to understand :)
>
>
Not important, just about a bit of history about why ARMs didn't have
floating point hardware until recently.
If it was a new design, all ARMs would be armhf type.
--
Joe
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