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// { dg-do run }
// { dg-options "-O2" }
// { 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 (int x) : s (x) {}
~S () {}
};
#pragma omp declare reduction (+:S:omp_out.s += omp_in.s) \
initializer (omp_priv (0))
#pragma omp declare reduction (foo:S:omp_out.s += omp_in.s) \
initializer (omp_priv (0))
#pragma omp declare reduction (foo:int:omp_out += omp_in) \
initializer (omp_priv = 0)
__attribute__((noinline, noclone)) S
foo (S s)
{
int i, v = 0, &u = v;
S t;
#pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u) \
safelen(1)
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 t;
}
__attribute__((noinline, noclone)) int
bar (S &s, S &t)
{
int i, v = 0, &u = v;
#pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u) \
safelen(1)
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);
S q;
int s = foo (q).s;
if (s != 19456)
abort ();
S r, v;
if (bar (r, v) != s)
abort ();
}
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