73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
// { dg-do run }
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// { dg-options "-O2" }
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// { dg-additional-options "-msse2" { target sse2_runtime } }
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// { dg-additional-options "-mavx" { target avx_runtime } }
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extern "C" void abort ();
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int a[1024] __attribute__((aligned (32))) = { 1 };
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struct S
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{
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int s;
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S () : s (0) {}
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S (int x) : s (x) {}
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~S () {}
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};
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#pragma omp declare reduction (+:S:omp_out.s += omp_in.s) \
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initializer (omp_priv (0))
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#pragma omp declare reduction (foo:S:omp_out.s += omp_in.s) \
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initializer (omp_priv (0))
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#pragma omp declare reduction (foo:int:omp_out += omp_in) \
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initializer (omp_priv = 0)
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__attribute__((noinline, noclone)) S
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foo (S s)
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{
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int i, v = 0, &u = v;
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S t;
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#pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u) \
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safelen(1)
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for (i = 0; i < 1024; i++)
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{
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int x = a[i];
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s.s += x;
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t.s += x;
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u += x;
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}
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if (t.s != s.s || u != s.s)
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abort ();
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return t;
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}
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__attribute__((noinline, noclone)) int
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bar (S &s, S &t)
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{
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int i, v = 0, &u = v;
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#pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u) \
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safelen(1)
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for (i = 0; i < 1024; i++)
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{
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int x = a[i];
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s.s += x;
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t.s += x;
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u += x;
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}
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if (t.s != s.s || u != s.s)
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abort ();
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return s.s;
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}
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int
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main ()
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{
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int i;
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for (i = 0; i < 1024; i++)
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a[i] = (i & 31) + (i / 128);
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S q;
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int s = foo (q).s;
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if (s != 19456)
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abort ();
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S r, v;
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if (bar (r, v) != s)
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abort ();
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}
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