mirror of git://gcc.gnu.org/git/gcc.git
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
// { dg-do run }
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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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#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)) void
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foo (int &u, int &v)
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{
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int i;
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#pragma omp simd aligned(a : 32) reduction(foo:u) reduction(+:v)
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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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u += x;
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v += x;
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}
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}
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__attribute__((noinline, noclone)) void
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bar (int &u, int &v)
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{
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int i;
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#pragma omp simd aligned(a : 32) reduction(foo:u) reduction(+:v) \
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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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u += x;
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v += x;
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}
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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 u = 0, v = 0;
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foo (u, v);
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if (u != 19456 || v != 19456)
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abort ();
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u = 0; v = 0;
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bar (u, v);
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if (u != 19456 || v != 19456)
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abort ();
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}
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