mirror of
https://github.com/autc04/Retro68.git
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59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
/* PR tree-optimization/58392 */
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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 (void);
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int d[32 * 32];
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__attribute__((noinline, noclone)) int
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foo (int a, int b)
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{
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int j, c = 0;
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#pragma omp parallel for reduction(+: c)
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for (j = 0; j < a; j += 32)
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{
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int l;
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#pragma omp simd reduction(+: c)
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for (l = 0; l < b; ++l)
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c += d[j + l];
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}
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return c;
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}
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__attribute__((noinline, noclone)) int
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bar (int a)
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{
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int j, c = 0;
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#pragma omp parallel for simd reduction(+: c)
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for (j = 0; j < a; ++j)
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c += d[j];
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return c;
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}
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__attribute__((noinline)) static int
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baz (int a)
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{
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int j, c = 0;
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#pragma omp simd reduction(+: c)
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for (j = 0; j < a; ++j)
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c += d[j];
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return c;
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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 < 32 * 32; i++)
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d[i] = (i & 31);
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if (foo (32 * 32, 32) != (31 * 32 / 2) * 32)
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abort ();
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if (bar (32 * 32) != (31 * 32 / 2) * 32)
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abort ();
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if (baz (32 * 32) != (31 * 32 / 2) * 32)
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abort ();
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return 0;
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}
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