Patch ping^2

[Jakub Jelinek]

Hi!

I'd like to ping following patches:

- PR85480 improve AVX512 128-bit insertion into 512-bit zero vector
  http://gcc.gnu.org/ml/gcc-patches/2018-04/msg01058.html

- PR85572 implement absv2di2 and absv4di2 expanders for pre-avx512vl
  http://gcc.gnu.org/ml/gcc-patches/2018-04/msg01341.html

Thanks

        Jakub