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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/107172] [13 Regression] wrong code with "-O1 -ftree-vrp"
 on x86_64-linux-gnu since r13-1268-g8c99e307b20c502e
Date: Fri, 07 Oct 2022 22:20:53 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107172

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
i386 needs to change

(ltu:SI (const_int 1 [1])
    (const_int 0 [0]))

to

(ne:SI (const_int 1 [1])
    (const_int 0 [0]))

when checking the carry flag.  But the mode info isn't passed to
TARGET_CANONICALIZE_COMPARISON.=