mirror of git://gcc.gnu.org/git/gcc.git
70 lines
1.5 KiB
C
70 lines
1.5 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 void abort ();
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int a[32][32] __attribute__((aligned (32))) = { { 1 } };
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struct S { int s; };
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#pragma omp declare reduction (+:struct S:omp_out.s += omp_in.s)
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#pragma omp declare reduction (foo:struct 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 (void)
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{
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int i, j, u = 0;
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struct S s, t;
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s.s = 0; t.s = 0;
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#pragma omp simd aligned(a : 32) lastprivate (i, j) reduction(+:s) reduction(foo:t, u) collapse(2)
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for (i = 0; i < 32; i++)
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for (j = 0; j < 32; j++)
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{
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int *q = &i;
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int *r = &j;
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int x = a[i][j];
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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 || i != 32 || j != 32)
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abort ();
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return s.s;
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}
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__attribute__((noinline, noclone)) int
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bar (void)
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{
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int i, j, u = 0;
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struct S s, t;
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s.s = 0; t.s = 0;
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#pragma omp simd aligned(a:32)reduction(+:s)reduction(foo:t,u)collapse(2)
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for (i = 0; i < 32; i++)
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for (j = 0; j < 32; j++)
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{
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int *q = &i;
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int *r = &j;
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int x = a[i][j];
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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 || i != 32 || j != 32)
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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, j;
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for (i = 0; i < 32; i++)
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for (j = 0; j < 32; j++)
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a[i][j] = j + (i / 4);
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int s = foo ();
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if (s != 19456)
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abort ();
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if (bar () != 19456)
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abort ();
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return 0;
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}
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