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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 tree-optimization/111972] [14 regression] missed vectorzation
 for bool a = j != 1; j = (long int)a;
Date: Tue, 14 Nov 2023 01:28:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111972

--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuhongt@gcc.gnu.org>:

https://gcc.gnu.org/g:fd1596f9962569afff6c9298a7c79686c6950bef

commit r14-5428-gfd1596f9962569afff6c9298a7c79686c6950bef
Author: liuhongt <hongtao.liu@intel.com>
Date:   Mon Oct 30 15:43:48 2023 +0800

    Handle bitop with INTEGER_CST in analyze_and_compute_bitop_with_inv_eff=
ect.

    analyze_and_compute_bitop_with_inv_effect assumes the first operand is
    loop invariant which is not the case when it's INTEGER_CST.

    gcc/ChangeLog:

            PR tree-optimization/105735
            PR tree-optimization/111972
            * tree-scalar-evolution.cc
            (analyze_and_compute_bitop_with_inv_effect): Handle bitop with
            INTEGER_CST.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr105735-3.c: New test.=