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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/109029] __builtin_signbit for 64bit fp does
 not vectorize
Date: Mon, 06 Mar 2023 08:52:16 +0000
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X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: enhancement
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109029

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|unknown                     |13.0

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Simple testcase:

void foo (bool *res, double *arg, int n)
{
  for (int i =3D 0; i < n; ++i)
    res[i] =3D __builtin_signbit (arg[i]) !=3D 0;
}=