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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/107830] [13 Regression] ICE in
 gen_aarch64_bitmask_udiv3, at ./insn-opinit.h:813
Date: Fri, 25 Nov 2022 12:58:09 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107830

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tamar Christina <tnfchris@gcc.gnu.org=
>:

https://gcc.gnu.org/g:71f3036b8a83da7fb559923bc80687ea1dabe14a

commit r13-4303-g71f3036b8a83da7fb559923bc80687ea1dabe14a
Author: Tamar Christina <tamar.christina@arm.com>
Date:   Fri Nov 25 12:57:24 2022 +0000

    sve2: Fix expansion of division [PR107830]

    SVE has an actual division optab, and when using -Os we don't
    optimize the division away.  This means that we need to distinguish
    between a div which we can optimize and one we cannot even during
    expansion.

    gcc/ChangeLog:

            PR target/107830
            * config/aarch64/aarch64.cc
            (aarch64_vectorize_can_special_div_by_constant): Check validity
during
            codegen phase as well.

    gcc/testsuite/ChangeLog:

            PR target/107830
            * gcc.target/aarch64/sve2/pr107830-1.c: New test.
            * gcc.target/aarch64/sve2/pr107830-2.c: New test.=