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Subject: [Bug target/96373] SVE miscompilation on vectorized division loop,
 leading to FP exception
Date: Mon, 27 Feb 2023 02:57:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96373

--- Comment #18 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Kewen Lin <linkw@gcc.gnu.org=
>:

https://gcc.gnu.org/g:cf3d95cce379f3260ad27264de0398e2ed1db2ea

commit r11-10549-gcf3d95cce379f3260ad27264de0398e2ed1db2ea
Author: Kewen Lin <linkw@linux.ibm.com>
Date:   Mon Feb 13 20:03:26 2023 -0600

    rs6000/test: Adjust some test cases on partial vector [PR96373]

    As Richard pointed out in [1] and the testing on Power10, the
    proposed fix for PR96373 requires some updates on a few rs6000
    test cases which adopt partial vector.  This patch is to fix
    all of them with one extra option "-fno-trapping-math" as
    Richard suggested.

    Besides, the original test case also failed on Power10 without
    Richard's proposed fix, this patch adds it together for a bit
    better testing coverage.

    [1] https://gcc.gnu.org/pipermail/gcc-patches/2023-January/610728.html

            PR target/96373

    gcc/testsuite/ChangeLog:

            * gcc.target/powerpc/p9-vec-length-epil-1.c: Add
-fno-trapping-math.
            * gcc.target/powerpc/p9-vec-length-epil-2.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-epil-3.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-epil-4.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-epil-5.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-epil-6.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-epil-8.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-full-1.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-full-2.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-full-3.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-full-4.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-full-5.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-full-6.c: Likewise.
            * gcc.target/powerpc/p9-vec-length-full-8.c: Likewise.
            * gcc.target/powerpc/pr96373.c: New test.

    (cherry picked from commit 4f5a1198065dc078f8099db628da7b06a2666f34)=