Retro68/gcc/libgomp/testsuite/libgomp.c++/simd-8.C
2017-04-10 13:32:00 +02:00

47 lines
934 B
C

// PR libgomp/58482
// { dg-do run }
// { dg-additional-options "-msse2" { target sse2_runtime } }
// { dg-additional-options "-mavx" { target avx_runtime } }
extern "C" void abort ();
int a[1024] __attribute__((aligned (32))) = { 1 };
struct S
{
int s;
S () : s (0) {}
~S () {}
};
#pragma omp declare reduction (+:S:omp_out.s += omp_in.s)
#pragma omp declare reduction (foo:S:omp_out.s += omp_in.s)
#pragma omp declare reduction (foo:int:omp_out += omp_in)
__attribute__((noinline, noclone)) int
foo ()
{
int i, u = 0;
S s, t;
#pragma omp parallel for simd aligned(a : 32) reduction(+:s) \
reduction(foo:t, u)
for (i = 0; i < 1024; i++)
{
int x = a[i];
s.s += x;
t.s += x;
u += x;
}
if (t.s != s.s || u != s.s)
abort ();
return s.s;
}
int
main ()
{
int i;
for (i = 0; i < 1024; i++)
a[i] = (i & 31) + (i / 128);
int s = foo ();
if (s != 19456)
abort ();
}