On Mon, Mar 28, 2022 at 12:50 AM Jan Hubicka via Gcc-patches
wrote:
>
> Hi,
> as seen on TSVC, Spec2017, the Zen3 gather instruction is a win only for
> vectors with 8 elements. At the time I was implementing the tuning vectorizer
> did not know how to open-code gather and thus it was still a
Hi,
as seen on TSVC, Spec2017, the Zen3 gather instruction is a win only for
vectors with 8 elements. At the time I was implementing the tuning vectorizer
did not know how to open-code gather and thus it was still a win to enable it
for shorter vector, but this has changed.
The following are
