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From: "wilco at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/90693] Missing popcount simplifications
Date: Mon, 20 Nov 2023 14:10:16 +0000
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X-Bugzilla-Component: tree-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D90693

--- Comment #6 from Wilco <wilco at gcc dot gnu.org> ---
Thanks Jakub - with the 2nd patch we get the expected sequence on AArch64:

        sub     x1, x0, #1
        eor     x0, x0, x1
        cmp     x0, x1
        cset    x0, hi=