[Coco] Re: GCC: DFLOAT / DIRECT_PAGE

[Theodore A. Evans]

On 11/14/03, John E. Malmberg wrote:

> It looks like I need to define some instructions to operate on a double
> float for the compiler to be happy.  I have to look up in the ANSI C
> specifications to see what the minimum size for a double is, and review
> the 6809 instruction set to see how it could be implemented.
> 
> The simplest case would be if I can alias it to be the same as a float.
> I do not think I will be that lucky.

I am almost positive that the standard merely states that a double has
at least as much precision as a float, so you should be able to define
it as being exactally the same.  OTOH, in Microware C a double uses 8
bytes.

-- 
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