Re: [fpu] or32-gcc with FP support

[Jamil Khatib <jamilkhatib75@yahoo.com>]

--- Damjan Lampret <damjanlampret@yahoo.com> wrote:
> Guys,
> 
> I've just added some experimental support for FP in
> my OR32 GCC. It
> works. Let me know if you are interested to see some
> code (basically I
> can compile anything you want). If certain FP insn
> is not supported in
> HW then it is used software FP library
> (automatically linked to the
> executable). Works great.
> 
Good

> Anyway if you want to see some code let me know (I
> would post 'C' code
> and corresponding compiled code). But I also have a
> question:
> 
> - is it possible to do 'fneg %destreg,%srcreg' with
> something like this
> fsub %destreg,const0,%srcreg (subtracting value from
> 0 - just like with
> integer arithmetic)
> 

Do you want a negation instruction? I do not what is
the meaning of a negation on the Floating point
number.

Do you want it to be done via subtract operation? 

Does the stander say anything about it?

> regards,
> Damjan
> 
> 
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