On 5/23/19 8:03 AM, Peter Maydell wrote:
> On Thu, 23 May 2019 at 13:44, Peter Maydell wrote:
>>
>> On Sat, 18 May 2019 at 20:19, Richard Henderson
>> wrote:
>>>
>>> These instructions shift left or right depending on the sign
>>> of the input, and 7 bits are significant to the shift. This
>>> r
On Thu, 23 May 2019 at 13:44, Peter Maydell wrote:
>
> On Sat, 18 May 2019 at 20:19, Richard Henderson
> wrote:
> >
> > These instructions shift left or right depending on the sign
> > of the input, and 7 bits are significant to the shift. This
> > requires several masks and selects in addition
On Sat, 18 May 2019 at 20:19, Richard Henderson
wrote:
>
> These instructions shift left or right depending on the sign
> of the input, and 7 bits are significant to the shift. This
> requires several masks and selects in addition to the actual
> shifts to form the complete answer.
>
> That said,
These instructions shift left or right depending on the sign
of the input, and 7 bits are significant to the shift. This
requires several masks and selects in addition to the actual
shifts to form the complete answer.
That said, the operation is still a small improvement even for
two 64-bit eleme
