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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/114607] aarch64: Incorrect expansion of svsudot
Date: Fri, 16 Aug 2024 06:58:45 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114607

--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Richard Sandiford
<rsandifo@gcc.gnu.org>:

https://gcc.gnu.org/g:22c6a11686d3f20f8682c2fbe9e33867a7e8af0e

commit r13-8976-g22c6a11686d3f20f8682c2fbe9e33867a7e8af0e
Author: Richard Sandiford <richard.sandiford@arm.com>
Date:   Fri Aug 16 07:58:24 2024 +0100

    aarch64: Fix expansion of svsudot [PR114607]

    Not sure how this happend, but: svsudot is supposed to be expanded
    as USDOT with the operands swapped.  However, a thinko in the
    expansion of svsudot meant that the arguments weren't in fact
    swapped; the attempted swap was just a no-op.  And the testcases
    blithely accepted that.

    gcc/
            PR target/114607
            * config/aarch64/aarch64-sve-builtins-base.cc
            (svusdot_impl::expand): Fix botched attempt to swap the operands
            for svsudot.

    gcc/testsuite/
            PR target/114607
            * gcc.target/aarch64/sve/acle/asm/sudot_s32.c: New test.

    (cherry picked from commit 2c1c2485a4b1aca746ac693041e51ea6da5c64ca)=