Re: Long double support on m68k

Andrew Cagney
2001-07-25T08:42:00Z

> Yes (if they support the fpu at all).
>
> |> So, if a target's raw FP registers are in the correct format for
> |> REGISTER_CONVERT* then they are also in the correct format for this change
> |> and such targets will continue to work. If a target's raw FP registers
> |> were not in the correct format then, that target is already broken and
> |> this change doesn't make things better or worse.
>
> Yes. There is only one floating point format for the m68k fpu. The
> previous version already assumed floatformat_m68881_ext, this patch just
> removes the conversion, and makes the raw format avaliable to gdb.

The other thing it affects is `sizeof (long double)`. For GCC, at
least, is m68k's `sizeof (long double)` 12?

Andrew