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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/112760] [14 Regression] wrong code with -O2
 -fno-dce -fno-guess-branch-probability -m8bit-idiv -mavx
 --param=max-cse-insns=0 and __builtin_add_overflow_p() since r14-5355
Date: Fri, 01 Dec 2023 12:22:51 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: needs-bisection, wrong-code
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112760

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[14 Regression] wrong code  |[14 Regression] wrong code
                   |with -O2 -fno-dce           |with -O2 -fno-dce
                   |-fno-guess-branch-probabili |-fno-guess-branch-probabili
                   |ty -m8bit-idiv -mavx        |ty -m8bit-idiv -mavx
                   |--param=3Dmax-cse-insns=3D0 and |--param=3Dmax-cse-insn=
s=3D0 and
                   |__builtin_add_overflow_p()  |__builtin_add_overflow_p()
                   |                            |since r14-5355
                 CC|                            |jakub at gcc dot gnu.org,
                   |                            |rsandifo at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r14-5355-g3cd3a09b3f91a1d023cb180763d40598d6bb274b=