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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/108583] [13 Regression] wrong code with vector division
 by uint16 at -O2
Date: Sun, 12 Mar 2023 18:43:46 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108583

--- Comment #26 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:2246d576f922bae3629da0fe1dbfcc6ff06769ad

commit r13-6616-g2246d576f922bae3629da0fe1dbfcc6ff06769ad
Author: Tamar Christina <tamar.christina@arm.com>
Date:   Sun Mar 12 18:39:33 2023 +0000

    middle-end: Revert can_special_div_by_const changes [PR108583]

    This reverts the changes for the CAN_SPECIAL_DIV_BY_CONST hook.

    gcc/ChangeLog:

            PR target/108583
            * doc/tm.texi (TARGET_VECTORIZE_CAN_SPECIAL_DIV_BY_CONST): Remo=
ve.
            * doc/tm.texi.in: Likewise.
            * explow.cc (round_push, align_dynamic_address): Revert previous
patch.
            * expmed.cc (expand_divmod): Likewise.
            * expmed.h (expand_divmod): Likewise.
            * expr.cc (force_operand, expand_expr_divmod): Likewise.
            * optabs.cc (expand_doubleword_mod, expand_doubleword_divmod):
Likewise.
            * target.def (can_special_div_by_const): Remove.
            * target.h: Remove tree-core.h include
            * targhooks.cc (default_can_special_div_by_const): Remove.
            * targhooks.h (default_can_special_div_by_const): Remove.
            * tree-vect-generic.cc (expand_vector_operation): Remove hook.
            * tree-vect-patterns.cc (vect_recog_divmod_pattern): Remove hoo=
k.
            * tree-vect-stmts.cc (vectorizable_operation): Remove hook.=