[Bug rtl-optimization/89445] [9 regression] _mm512_maskz_loadu_pd "forgets" to use the mask

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89445

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 45800
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45800&action=edit
gcc9-pr89445.patch

Full untested fix.