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Re: exotic floating point formats test


On Mon, Mar 12, 2001 at 08:04:44AM +0100, Lars Brinkhoff wrote:
> "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.

Good luck with real.c.

> > How many bytes does that translate to?
> 
> Eight 9-bit bytes.

Ah, that's how you get 0x171 or 0x13a in the middle of the printout.

> > 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

Looks good, thanks again.

zw


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