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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/108583] [13 Regression] wrong code with vector division
 by uint16 at -O2
Date: Sun, 12 Mar 2023 18:43:51 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108583

--- Comment #27 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:03c6ba86757f0684c5419c90651106900f5ecb5a

commit r13-6617-g03c6ba86757f0684c5419c90651106900f5ecb5a
Author: Tamar Christina <tamar.christina@arm.com>
Date:   Sun Mar 12 18:40:12 2023 +0000

    ranger: Add range-ops for widen addition and widen multiplication
[PR108583]

    This adds range-ops for widening addition and widening multiplication.

    I couldn't figure out how to write a test for this.  It looks like there
are
    self tests but not a way to write standalone ones?  I did create testca=
ses
in
    the patch 3/4 which tests the end result.

    gcc/ChangeLog:

            PR target/108583
            * gimple-range-op.h (gimple_range_op_handler): Add
maybe_non_standard.
            * gimple-range-op.cc
(gimple_range_op_handler::gimple_range_op_handler):
            Use it.
            (gimple_range_op_handler::maybe_non_standard): New.
            * range-op.cc (class operator_widen_plus_signed,
            operator_widen_plus_signed::wi_fold, class
operator_widen_plus_unsigned,
            operator_widen_plus_unsigned::wi_fold, class
operator_widen_mult_signed,
            operator_widen_mult_signed::wi_fold, class
operator_widen_mult_unsigned,
            operator_widen_mult_unsigned::wi_fold,
            ptr_op_widen_mult_signed, ptr_op_widen_mult_unsigned,
            ptr_op_widen_plus_signed, ptr_op_widen_plus_unsigned): New.
            * range-op.h (ptr_op_widen_mult_signed, ptr_op_widen_mult_unsig=
ned,
            ptr_op_widen_plus_signed, ptr_op_widen_plus_unsigned): New

    Co-Authored-By: Andrew MacLeod <amacleod@redhat.com>=