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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/97203] [nvptx] 'illegal memory access was encountered'
 with 'omp simd'/SIMT and cexpf call
Date: Mon, 12 Oct 2020 13:00:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97203

--- Comment #9 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #2)
> Minimal version (without inlining sinf code from newlib):
> ...
> /* { dg-additional-options "-lm -foffload=3D-lm" } */
>=20
> #define N 1
>=20
> int
> main (void) {
>   float k[N];
>   float res;
>=20
>   for (int i =3D 0; i < N; i++)
>     k[i] =3D 300;
>=20=20=20
> #pragma omp target map(to:k) map(from:res)
>   {
>     float sum =3D 0.0;
> #pragma omp simd reduction(+:sum)
>     for (int i =3D 0; i < N; i++)
>       sum +=3D __builtin_sinf (k[i]);
>=20=20=20=20=20
>     res =3D sum;
>   }
>=20
>   return 0;
> }
> ...

Starts passing at -foffload=3D-msoft-stack-reserve-local=3D346.=