64-bit CPU

[James Knott]

The Edge of the Ice wrote:
> On Thu, 16 Sep 2004 18:58:28 -0400 (EDT), Henry Spencer
> <henry-lqW1N6Cllo0sV2N9l4h3zg at public.gmane.org> wrote:
> 
>>>That's more or less what you get with AMD64: there are still rename 
>>>registers and the works in 64 bit mode, but there are also 8 more GPRs...
>>
>>Hmm, pity it's only 8.  16 or 32 would have been nice.
> 
> 
> Aye, but if you need a lot of registers in a desktop machine, just got
> get yourself
> a PowerMac G5.  32 64-bit GPRs, 32 64-bit FPRs, and 32 128-bit vector registers.


Was it the old Texas Instruments CPU, used in the TI/99, that didn't 
have any on chip registers?  As I recall, the "registers" were in fact, 
reserved memory locations.

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