[Bug target/89229] Incorrect xmm16-xmm31/ymm16-ymm31 in vector move

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89229

--- Comment #31 from Martin Liška <marxin at gcc dot gnu.org> ---
commit r10-7154-gfd8679974b2ded884ffd7d912efef7fe13e4ff4f
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Mar 13 02:48:59 2020 -0700

    i386: Use ix86_output_ssemov for DFmode TYPE_SSEMOV

    There is no need to set mode attribute to XImode nor V8DFmode since
    ix86_output_ssemov can properly encode xmm16-xmm31 registers with and
    without AVX512VL.

    gcc/

            PR target/89229
            * config/i386/i386.c (ix86_output_ssemov): Handle MODE_DF.
            * config/i386/i386.md (*movdf_internal): Call ix86_output_ssemov
            for TYPE_SSEMOV.  Remove TARGET_AVX512F, TARGET_PREFER_AVX256,
            TARGET_AVX512VL and ext_sse_reg_operand check.

    gcc/testsuite/

            PR target/89229
            * gcc.target/i386/pr89229-4a.c: New test.
            * gcc.target/i386/pr89229-4b.c: Likewise.
            * gcc.target/i386/pr89229-4c.c: Likewise.