gcc/libgomp/testsuite/libgomp.c/pr58392.c

58 lines
1.1 KiB
C

/* PR tree-optimization/58392 */
/* { dg-do run } */
/* { dg-additional-options "-msse2" { target sse2_runtime } } */
/* { dg-additional-options "-mavx" { target avx_runtime } } */
extern void abort (void);
int d[32 * 32];
__attribute__((noinline, noclone)) int
foo (int a, int b)
{
int j, c = 0;
#pragma omp parallel for reduction(+: c)
for (j = 0; j < a; j += 32)
{
int l;
#pragma omp simd reduction(+: c)
for (l = 0; l < b; ++l)
c += d[j + l];
}
return c;
}
__attribute__((noinline, noclone)) int
bar (int a)
{
int j, c = 0;
#pragma omp parallel for simd reduction(+: c)
for (j = 0; j < a; ++j)
c += d[j];
return c;
}
__attribute__((noinline)) static int
baz (int a)
{
int j, c = 0;
#pragma omp simd reduction(+: c)
for (j = 0; j < a; ++j)
c += d[j];
return c;
}
int
main ()
{
int i;
for (i = 0; i < 32 * 32; i++)
d[i] = (i & 31);
if (foo (32 * 32, 32) != (31 * 32 / 2) * 32)
abort ();
if (bar (32 * 32) != (31 * 32 / 2) * 32)
abort ();
if (baz (32 * 32) != (31 * 32 / 2) * 32)
abort ();
return 0;
}