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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/114476] [13/14 Regression] wrong code with
 -fwrapv -O3 -fno-vector-cost-mode (and -march=armv9-a+sve2 on aarch64 and
 -march=rv64gcv on riscv)
Date: Tue, 26 Mar 2024 05:04:34 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: needs-bisection, wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 14.0
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X-Bugzilla-Changed-Fields: cf_reconfirmed_on component everconfirmed
 cf_known_to_fail cf_gcctarget keywords short_desc bug_status target_milestone
 cf_known_to_work
Message-ID: <bug-114476-4-64q3daoE5W@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-114476-4@http.gcc.gnu.org/bugzilla/>
References: <bug-114476-4@http.gcc.gnu.org/bugzilla/>
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114476

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2024-03-26
          Component|target                      |tree-optimization
     Ever confirmed|0                           |1
      Known to fail|                            |13.2.0
             Target|riscv*-*-*                  |riscv*-*-* aarch64
           Keywords|                            |needs-bisection
            Summary|[14] RISC-V rv64gcv vector: |[13/14 Regression] wrong
                   |Runtime mismatch at -O3     |code with -fwrapv -O3
                   |                            |-fno-vector-cost-mode (and
                   |                            |-march=3Darmv9-a+sve2 on
                   |                            |aarch64 and -march=3Drv64g=
cv
                   |                            |on riscv)
             Status|UNCONFIRMED                 |NEW
   Target Milestone|---                         |14.0
      Known to work|                            |12.3.0

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Happens on aarch64 with `-march=3Darmv9-a+sve2 -fno-vect-cost-model` even i=
n GCC
13.2.0.=