mirror of
https://github.com/autc04/Retro68.git
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58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
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/* { 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 void abort ();
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int a[1024] __attribute__((aligned (32))) = { 1 };
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int b[1024] __attribute__((aligned (32))) = { 1 };
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int k, m;
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struct U { int u; };
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struct V { int v; };
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__attribute__((noinline, noclone)) int
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foo (int *p)
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{
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int i, s = 0;
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struct U u;
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struct V v;
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#pragma omp simd aligned(a, p : 32) linear(k: m + 1) \
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reduction(+:s) lastprivate(u, v)
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for (i = 0; i < 1024; i++)
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{
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a[i] *= p[i];
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u.u = p[i] + k;
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k += m + 1;
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v.v = p[i] + k;
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s += p[i] + k;
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}
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if (u.u != 36 + 4 + 3 * 1023 || v.v != 36 + 4 + 3 * 1024)
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abort ();
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return s;
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}
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int
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main ()
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{
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#if __SIZEOF_INT__ >= 4
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int i;
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k = 4;
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m = 2;
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for (i = 0; i < 1024; i++)
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{
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a[i] = i - 512;
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b[i] = (i - 51) % 39;
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}
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int s = foo (b);
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for (i = 0; i < 1024; i++)
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{
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if (b[i] != (i - 51) % 39
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|| a[i] != (i - 512) * b[i])
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abort ();
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}
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if (k != 4 + 3 * 1024 || s != 1596127)
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abort ();
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#endif
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return 0;
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}
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