[Bug target/79481] AVX512PF: unmasked gather prefetch intrinsics missing

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Feb 13 09:36:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79481

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2017-02-13
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40724
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40724&action=edit
gcc7-pr79481.patch

Untested patch.

I think the HW doesn't, non-masked is simply masked with all ones mask.
That said, for consistency it is IMHO desirable to add this, we have non-masked
scatter prefetches already.


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