Richard Biener writes:
> On Wed, 19 Jun 2024, Richard Sandiford wrote:
>
>> Richard Biener writes:
>> > We currently fail to re-CSE SLP nodes after optimizing permutes
>> > which results in off cost estimates. For gcc.dg/vect/bb-slp-32.c
>> > this shows in not re-using the SLP node with the load
On Wed, 19 Jun 2024, Richard Sandiford wrote:
> Richard Biener writes:
> > We currently fail to re-CSE SLP nodes after optimizing permutes
> > which results in off cost estimates. For gcc.dg/vect/bb-slp-32.c
> > this shows in not re-using the SLP node with the load and arithmetic
> > for both th
Richard Biener writes:
> We currently fail to re-CSE SLP nodes after optimizing permutes
> which results in off cost estimates. For gcc.dg/vect/bb-slp-32.c
> this shows in not re-using the SLP node with the load and arithmetic
> for both the store and the reduction. The following implements
> CS
We currently fail to re-CSE SLP nodes after optimizing permutes
which results in off cost estimates. For gcc.dg/vect/bb-slp-32.c
this shows in not re-using the SLP node with the load and arithmetic
for both the store and the reduction. The following implements
CSE by re-bst-mapping nodes as final
