On 6 January 2011 17:24, Aurelien Jarno wrote:
> For the subtraction, how would you say a = (b << 32) - a ?
I think we should just say "Return (b << 32) - a" for that :-)
I can't think of a clean way of putting it in English.
-- PMM
On Thu, Jan 06, 2011 at 03:54:46PM +, Peter Maydell wrote:
> On 6 January 2011 15:50, Aurelien Jarno wrote:
> > On Wed, Jan 05, 2011 at 11:15:15AM +, Peter Maydell wrote:
>
> >> Isn't this adding b to the msw of a, rather than the other
> >> way round as the comment claims?
> >
> > I thin
On 6 January 2011 15:50, Aurelien Jarno wrote:
> On Wed, Jan 05, 2011 at 11:15:15AM +, Peter Maydell wrote:
>> Isn't this adding b to the msw of a, rather than the other
>> way round as the comment claims?
>
> I think the comment is actually wrong in both way, as a shift is
> applied, and thu
On Wed, Jan 05, 2011 at 11:15:15AM +, Peter Maydell wrote:
> On 1 January 2011 18:25, Aurelien Jarno wrote:
> > SMMLA and SMMLS are broken on both in normal and thumb mode, that is
> > both (different) implementations are wrong. They try to avoid a 64-bit
> > add for the rounding, which is not
On 1 January 2011 18:25, Aurelien Jarno wrote:
> SMMLA and SMMLS are broken on both in normal and thumb mode, that is
> both (different) implementations are wrong. They try to avoid a 64-bit
> add for the rounding, which is not trivial if you want to support both
> SMMLA and SMMLS with the same co
