[Bug target/97184] Incorrect MOVDIRI and MOVDIR64B patterns

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97184

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-8 branch has been updated by H.J. Lu <h...@gcc.gnu.org>:

https://gcc.gnu.org/g:b0e6f198547d423b24520c13e3c29f3712026fce

commit r8-10556-gb0e6f198547d423b24520c13e3c29f3712026fce
Author: H.J. Lu <hjl.to...@gmail.com>
Date:   Wed Sep 23 12:11:45 2020 -0700

    x86: Use SET operation in MOVDIRI and MOVDIR64B

    Since MOVDIRI and MOVDIR64B write to memory, similar to UNSPEC_MOVNT,
    use SET operation in MOVDIRI and MOVDIR64B patterns with UNSPEC instead
    of UNSPECV.

    gcc/

            PR target/97184
            * config/i386/i386.md (UNSPECV_MOVDIRI): Renamed to ...
            (UNSPEC_MOVDIRI): This.
            (UNSPECV_MOVDIR64B): Renamed to ...
            (UNSPEC_MOVDIR64B): This.
            (movdiri<mode>): Use SET operation.
            (@movdir64b_<mode>): Likewise.

    gcc/testsuite/

            PR target/97184
            * gcc.target/i386/movdir64b.c: New test.
            * gcc.target/i386/movdiri32.c: Likewise.
            * gcc.target/i386/movdiri64.c: Likewise.
            * lib/target-supports.exp (check_effective_target_movdir): New.

    (cherry picked from commit 5521e8a629f8bee3a7778d69521d857496556d1f)