[cxx-abi-dev] IEEE 754r half-precision fp mangling?

[scott douglass]

On Thu, 2008-06-05 at 17:57, Mark Mitchell wrote:
> scott douglass wrote:
> 
> > Is there any proposal yet for the mangling of the proposed IEEE 754r
> > half-precision floating point type?
> 
> I don't believe so, no.  Do you have one? :-)

I'm not sure what the DFP mangling proposal is and it would be best if
half-precision floating point was consistent with DFP ... but here goes
anyway:

We seem to be running out of single lower case letter for types.  I
propose adding this to section 5.1.5

<type> ::= Eh # half-precision floating point (16bit)

My intention is that 'E' means extension or escape and allows a raft of
new encoding letters.


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