[thirdparty/gcc.git] / gcc / testsuite / c-c++-common / cilk-plus / PS / reduction-2.c

/* { dg-do run } */
/* { dg-options "-O3 -fcilkplus" } */

/* FIXME: This test has been xfailed until reductions are fixed.  */

#include <stdio.h>

#define ARRAY_SIZE  (256)
int a[ARRAY_SIZE];

__attribute__((noinline))
int addit (int *arr, int N)
{
  int s=0;
#pragma simd reduction (+:s)
  for (int i = 0; i < N; i++)
    s += arr[i];
  return s;
}

int main () {
  int i, s = 0, r = 0;
  for (i = 0; i < ARRAY_SIZE; i++)
    {
      a[i] = i;
    }

  s = addit (a, ARRAY_SIZE);

  for (i = 0; i < ARRAY_SIZE; i++) 
    r += i;

  if (s == r)
    return 0;
  return 1;
}
Commit	Line	Data
c02065fc AH	1	/* { dg-do run } */
	2	/* { dg-options "-O3 -fcilkplus" } */
	3
	4	/* FIXME: This test has been xfailed until reductions are fixed. */
	5
	6	#include <stdio.h>
	7
	8	#define ARRAY_SIZE (256)
	9	int a[ARRAY_SIZE];
	10
	11	__attribute__((noinline))
	12	int addit (int *arr, int N)
	13	{
	14	int s=0;
	15	#pragma simd reduction (+:s)
	16	for (int i = 0; i < N; i++)
	17	s += arr[i];
	18	return s;
	19	}
	20
	21	int main () {
	22	int i, s = 0, r = 0;
	23	for (i = 0; i < ARRAY_SIZE; i++)
	24	{
	25	a[i] = i;
	26	}
	27
	28	s = addit (a, ARRAY_SIZE);
	29
	30	for (i = 0; i < ARRAY_SIZE; i++)
	31	r += i;
	32
	33	if (s == r)
	34	return 0;
	35	return 1;
	36	}