GMP division plans (Torbjorn Granlund)

[Paul Leyland]

As did the Z80, though only for integer arithmetic of course.


Paul

On Sun, 2006-04-09 at 12:47, Jim White wrote:
> > They *are* really extending the IEEE standard
> > to include decimal floating point (principally 
> > intended for hardware implementation).
> > 
> > Torbj?rn
> 
> The wonderful B5000/6000/7000 stack-architecture
> mainframes had hardware-assisted BCD arithmetic, I
> believe. Not that I ever used it myself, but I assume
> it was originally intended to give native data-type
> support for COBOL users (999999v9999 and all that). 
> 
> I found an interesting bibliography of historical
> documents regarding floating-point decimal
> implementations and standards here: 
> 
> http://www2.hursley.ibm.com/decimal/decbibfloating.html
> 
> Sure enough, there's an entry in there for the
> original B5500  Systems reference Manual (1964).
> 
> Lots of other interesting stuff in there too -
> including ANSI and IEEE involvement ...
> 
> 
> Cheers
> JW
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