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Re: exotic floating point formats test


"Zack Weinberg" <zackw@Stanford.EDU> writes:
> On Sat, Mar 10, 2001 at 09:13:24AM +0100, Lars Brinkhoff wrote:
> > pdp10-xkl-tops20 @ a.out
> > 3.25098346789696250776e+01      861042890 d1221451ff    ..(. ."..
> > 1.10037057600060735398e-05      701717273 74757677      p.rs tuvw
> GCC doesn't presently support the pdp10, but we might want to at some
> point in the future.  I know there was some group working on a modern
> implementation of the architecture and O/S (which might be you, huh?)

XKL, LLC in Redmond are still making PDP-10 clones, and they are
paying me to port GCC.  They have signed the copyright papers, so I
hope the port will make it into mainline GCC some day.

> How many bits are in a double?  Two 36-bit words?

Yes.

> How many bytes does that translate to?

Eight 9-bit bytes.

> I'm now using strings like '@@IEEEFP' and 'D__float' instead of just
> 'ABCDEF'; a corresponding label for the pdp10 would be nice.

How about this?

5.32201830133125317057e-19      4413a5044 502d3130      D.PD P-10

-- 
http://lars.nocrew.org/


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