gcc/libgomp/testsuite/libgomp.c++/simd-9.C

52 lines
1.0 KiB
C

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