ready-made Mac FP emulators?

David G. Hough at validgh dgh
Thu Dec 15 20:29:08 PST 1994


I translated one from Motorola assembler to Sun assembler ten years ago
to support the Sun-3; then we decided not to use it, and it probably wasn't
freeware to begin with.    What does GCC use for software floating point
on 68k systems?

> Date: Thu, 15 Dec 1994 12:33:11 -0800
> From: uunet!libra.loral.com!hotz (Henry B. Hotz)
> Subject: Help finding Floating-point routines.
> 
> I am trying to locate a software implementation of the IEEE 754
> standard---specifically for use in the Macintosh port of BSD Unix to
> machines that lack the hardware FPU chip.  Motorola already provides
> software for the trancendental functions since the on-board FPU of the
> 68040 is missing those.  We only need the basic 4 operations and conversion
> and IO routines.
> 
> Any help you can provide would be appreciated, even if it is just a
> reference to someone else who has written code like this.
> 
> The basic algorithms are well known, but the number of precisions times the
> number of operations adds up to a bit more than I can manage for an unpaid
> spare-time project.
> 
> ________________________________________
> Henry B. Hotz       hotzalibra.loral.com
>                73730.2017acompuserve.com
> 
> The opinions expressed are my own,
> not Loral's, and not Librascope's.



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