On Thu, Jan 18, 2018 at 05:36:40PM +0100, Paolo Bonzini wrote:
> On 08/01/2018 06:53, David Gibson wrote:
> > From: "pbonz...@redhat.com"
> >
> > We know that only one bit (in addition to SO) is going to be set in
> > the condition register, so do two movconds instead of three setconds,
> > three
On 08/01/2018 06:53, David Gibson wrote:
> From: "pbonz...@redhat.com"
>
> We know that only one bit (in addition to SO) is going to be set in
> the condition register, so do two movconds instead of three setconds,
> three shifts and two ORs.
>
> For ppc64-linux-user, the code size reduction is
From: "pbonz...@redhat.com"
We know that only one bit (in addition to SO) is going to be set in
the condition register, so do two movconds instead of three setconds,
three shifts and two ORs.
For ppc64-linux-user, the code size reduction is around 5% and the
performance improvement slightly less