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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/114140] quadmath fminq/fmaxq with signaling_NaN not
 work
Date: Tue, 27 Feb 2024 22:36:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114140

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|libquadmath                 |middle-end

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This has nothing to do quadmath But rather the builtins and constant foldin=
g.
As shown by:


```
_Float128 f1()
{

        using T =3D _Float128;
        //using L =3D std::numeric_limits<T>;
        const T
            a =3D __builtin_huge_valf128(),
            b =3D __builtin_nanf128(""),
            c =3D __builtin_nansf128("");
  return __builtin_fminf128(a, b);
}
_Float128 f2()
{

       //using T =3D std::float128_t;
        using T =3D _Float128;
     //   using L =3D std::numeric_limits<T>;
        const T
            a =3D __builtin_huge_valf128(),
            b =3D __builtin_nanf128(""),
            c =3D __builtin_nansf128("");
  return __builtin_fmaxf128(a, b);
}
_Float128 f3()
{
       //using T =3D std::float128_t;
        using T =3D _Float128;
      //  using L =3D std::numeric_limits<T>;
        const T
            a =3D __builtin_huge_valf128(),
            b =3D __builtin_nanf128(""),
            c =3D __builtin_nansf128("");
  return __builtin_fminf128(a, c);
}
_Float128 f4()
{

       //using T =3D std::float128_t;
        using T =3D _Float128;
     //   using L =3D std::numeric_limits<T>;
        const T
            a =3D __builtin_huge_valf128(),
            b =3D __builtin_nanf128(""),
            c =3D __builtin_nansf128("");
  return __builtin_fmaxf128(a, c);
}
```=