Re: [Qemu-devel] [ARM - FCVT inst] : Difference in calculated value

[Peter Maydell]

On 18 August 2014 22:04, Gaurav Sharma <address@hidden> wrote:
> Hi Peter,
> I cross checked it with a AFM model, and the results are indeed different.
> The problem I think lies in how we treat de-normalized numbers which are too
> small to represent in half precision.
> In case of qemu
>>> if(exp < -10)
>>> return signed/unsigned zero.
> However, in case rounding is set, we ignore and we return zero. This may not
> be true and we may have a smallest possible denormalized number.

Cool. Can you provide your test case, then, please?

thanks
-- PMM