mirror of git://gcc.gnu.org/git/gcc.git
131 lines
3.0 KiB
C
131 lines
3.0 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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int b[1024] __attribute__((aligned (32))) = { 1 };
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unsigned char c[1024] __attribute__((aligned (32))) = { 1 };
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int k, m;
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__UINTPTR_TYPE__ u, u2, u3;
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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, s2 = 0, t, t2;
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#pragma omp simd aligned(a, b, p : 32) linear(k: m + 1) reduction(+:s) \
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lastprivate (t2)
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for (i = 0; i < 512; i++)
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{
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a[i] *= p[i];
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t2 = k + p[i];
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k += m + 1;
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s += p[i] + k;
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c[i]++;
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}
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#pragma omp simd aligned(a, b, p : 32) linear(k: m + 1) reduction(+:s2) \
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lastprivate (t, u, u2, u3)
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for (i = 512; i < 1024; i++)
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{
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a[i] *= p[i];
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k += m + 1;
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t = k + p[i];
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u = (__UINTPTR_TYPE__) &k;
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u2 = (__UINTPTR_TYPE__) &s2;
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u3 = (__UINTPTR_TYPE__) &t;
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s2 += t;
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c[i]++;
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}
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return s + s2 + t + t2;
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}
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__attribute__((noinline, noclone)) long int
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bar (int *p, long int n, long int o)
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{
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long int i, s = 0, s2 = 0, t, t2;
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#pragma omp simd aligned(a, b, p : 32) linear(k: m + 1) reduction(+:s) \
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lastprivate (t2)
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for (i = 0; i < n; i++)
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{
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a[i] *= p[i];
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t2 = k + p[i];
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k += m + 1;
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s += p[i] + k;
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c[i]++;
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}
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#pragma omp simd aligned(a, b, p : 32) linear(k: m + 1) reduction(+:s2) \
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lastprivate (t, u, u2, u3)
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for (i = n; i < o; i++)
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{
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a[i] *= p[i];
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k += m + 1;
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t = k + p[i];
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u = (__UINTPTR_TYPE__) &k;
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u2 = (__UINTPTR_TYPE__) &s2;
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u3 = (__UINTPTR_TYPE__) &t;
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s2 += t;
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c[i]++;
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}
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return s + s2 + t + t2;
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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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c[i] = (unsigned char) i;
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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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|| c[i] != (unsigned char) (i + 1))
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abort ();
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a[i] = i - 512;
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}
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if (k != 4 + 3 * 1024
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|| s != 1596127 + (4 + 3 * 511 + b[511]) + (4 + 3 * 1024 + b[1023]))
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abort ();
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k = 4;
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s = bar (b, 512, 1024);
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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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|| c[i] != (unsigned char) (i + 2))
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abort ();
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a[i] = i - 512;
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}
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if (k != 4 + 3 * 1024
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|| s != 1596127 + (4 + 3 * 511 + b[511]) + (4 + 3 * 1024 + b[1023]))
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abort ();
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k = 4;
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s = bar (b, 511, 1021);
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for (i = 0; i < 1021; 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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|| c[i] != (unsigned char) (i + 3))
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abort ();
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a[i] = i - 512;
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}
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for (i = 1021; i < 1024; i++)
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if (b[i] != (i - 51) % 39
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|| a[i] != i - 512
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|| c[i] != (unsigned char) (i + 2))
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abort ();
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if (k != 4 + 3 * 1021
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|| s != 1586803 + (4 + 3 * 510 + b[510]) + (4 + 3 * 1021 + b[1020]))
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abort ();
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#endif
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return 0;
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}
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