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https://github.com/autc04/Retro68.git
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48 lines
973 B
C
48 lines
973 B
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 () {}
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};
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#pragma omp declare reduction (+:S:omp_out.s += omp_in.s)
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#pragma omp declare reduction (foo:S:omp_out.s += omp_in.s)
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#pragma omp declare reduction (foo:int:omp_out += omp_in)
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__attribute__((noinline, noclone)) int
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foo ()
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{
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int i, u = 0, q = 0;
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S s, t;
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#pragma omp simd aligned(a : 32) reduction(+:s, q) 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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q++;
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}
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if (t.s != s.s || u != s.s || q != 1024)
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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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int s = foo ();
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if (s != 19456)
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abort ();
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}
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