Retro68/gcc/libgomp/testsuite/libgomp.c/simd-5.c
2014-09-21 19:33:12 +02:00

45 lines
1007 B
C

/* { dg-do run } */
/* { dg-options "-O2" } */
/* { dg-additional-options "-msse2" { target sse2_runtime } } */
/* { dg-additional-options "-mavx" { target avx_runtime } } */
extern void abort ();
int a[1024] __attribute__((aligned (32))) = { 1 };
struct S { int s; };
#pragma omp declare reduction (+:struct S:omp_out.s += omp_in.s)
#pragma omp declare reduction (foo:struct S:omp_out.s += omp_in.s)
#pragma omp declare reduction (foo:int:omp_out += omp_in)
__attribute__((noinline, noclone)) int
foo (void)
{
int i, u = 0, q = 0;
struct S s, t;
s.s = 0; t.s = 0;
#pragma omp simd aligned(a : 32) reduction(+:s, q) reduction(foo:t, u) \
safelen(1)
for (i = 0; i < 1024; i++)
{
int x = a[i];
s.s += x;
t.s += x;
u += x;
q++;
}
if (t.s != s.s || u != s.s || q != 1024)
abort ();
return s.s;
}
int
main ()
{
int i;
for (i = 0; i < 1024; i++)
a[i] = (i & 31) + (i / 128);
int s = foo ();
if (s != 19456)
abort ();
return 0;
}