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From: "avi at scylladb dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/107772] function prologue generated even
 though it's only needed in an unlikely path
Date: Mon, 28 Nov 2022 20:32:22 +0000
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X-Bugzilla-Component: rtl-optimization
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X-Bugzilla-Keywords: missed-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107772

--- Comment #5 from Avi Kivity <avi at scylladb dot com> ---
It indeed generates better code. However, it requires that I duplicate the
function body, which can be hard at times (consider f =3D=3D std::transform=
 and "if
(*b !=3D 0) { *b =3D g(*b); }" as a lambda input.=