State of m68k float emulation in lb1sf68.asm (muldf, divdf)
Paul Brook
paul@nowt.org
Mon Nov 17 20:28:00 GMT 2003
On Monday 17 November 2003 7:16 pm, tm_gccmail@kloo.net wrote:
> > If you really want something better than fp-bit.c, then I would suggest
> > looking into GMP. You might need to do a m68k port of it. I don't see
> > any m68k code in the longlong.h file. This helps with the portability,
> > as you would define different longlong.h macros for different members
> > of the m68k family.
>
> GMP isn't IEEE754 compatible, iirc. It's an arbitrary precision bignum
> library, and therefore unsuitable for as an fp-bit.c replacement.
I believe it can be if you use the MPFR interfaces. I've never actually used
these ehough, so I can't guarantee this, or say how easy it is.
If you do get GMP into the gcc tree It'll save me a job - it's needed by
gfortran:)
Paul
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