On Mon, Aug 2, 2021 at 3:41 PM Richard Biener wrote:
>
> This teaches forwprop to rewrite more vector loads that are only
> used in BIT_FIELD_REFs as scalar loads. This provides the
> remaining uplift to SPEC CPU 2017 510.parest_r on Zen 2 which
> has CPU gathers disabled.
>
> In particular vecto
This teaches forwprop to rewrite more vector loads that are only
used in BIT_FIELD_REFs as scalar loads. This provides the
remaining uplift to SPEC CPU 2017 510.parest_r on Zen 2 which
has CPU gathers disabled.
In particular vector load + vec_unpack + bit-field-ref is turned
into (extending) scal