[Bug target/85480] zero extension from xmm to zmm via _mm512_insert???x? not optimized

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85480

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue May  8 12:02:38 2018
New Revision: 260039

URL: https://gcc.gnu.org/viewcvs?rev=260039&root=gcc&view=rev
Log:
        PR target/85480
        * config/i386/sse.md (ssequaterinsnmode): New mode attribute.
        (*<extract_type>_vinsert<shuffletype><extract_suf>_0): New pattern.

        * gcc.target/i386/avx512dq-pr85480-1.c: New test.
        * gcc.target/i386/avx512dq-pr85480-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/avx512dq-pr85480-1.c
    trunk/gcc/testsuite/gcc.target/i386/avx512dq-pr85480-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/sse.md
    trunk/gcc/testsuite/ChangeLog