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Subject: [Bug target/92658] x86 lacks vector extend / truncate
Date: Fri, 22 May 2020 13:32:32 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D92658

--- Comment #18 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuhongt@gcc.gnu.org>:

https://gcc.gnu.org/g:e740f3d73144abbca1ad98a04825c6bd63314a0b

commit r11-571-ge740f3d73144abbca1ad98a04825c6bd63314a0b
Author: liuhongt <hongtao.liu@intel.com>
Date:   Wed May 20 15:53:14 2020 +0800

    Add missing vector truncmn2 expanders [PR92658]

    2020-05-22  Hongtao.liu  <hongtao.liu@intel.com>

    gcc/ChangeLog:
            PR target/92658
            * config/i386/sse.md (trunc<pmov_src_lower><mode>2): New expand=
er
            (truncv32hiv32qi2): Ditto.
            (trunc<ssedoublemodelower><mode>2): Ditto.
            (trunc<mode><pmov_dst_3>2): Ditto.
            (trunc<mode><pmov_dst_mode_4>2): Ditto.
            (truncv2div2si2): Ditto.
            (truncv8div8qi2): Ditto.
            (avx512f_<code>v8div16qi2): Renaming from
*avx512f_<code>v8div16qi2.
            (avx512vl_<code>v2div2si): Renaming from *avx512vl_<code>v2div2=
si2.
            (avx512vl_<code><mode>v2<ssecakarnum>qi2): Renaming
            from *avx512vl_<code><mode>v<ssescalarnum>qi2.

    gcc/testsuite/ChangeLog:
            * gcc.target/i386/pr92658-avx512f.c: New test.
            * gcc.target/i386/pr92658-avx512vl.c: Ditto.
            * gcc.target/i386/pr92658-avx512bw-trunc.c: Ditto.=