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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-reduc-1.c] - Rev 298

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/* { dg-require-effective-target vect_int } */
 
#include <stdarg.h>
#include "tree-vect.h"
 
#define N 16
#define DIFF 242
 
unsigned int ub[N] = {1,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
unsigned int uc[N] = {1,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
 
/* Test vectorization of reduction of unsigned-int.  */
 
__attribute__ ((noinline))
void main1 (unsigned int x, unsigned int max_result, unsigned int min_result)
{
  int i;
  unsigned int udiff = 2;
  unsigned int umax = x;
  unsigned int umin = x;
 
  /* Summation.  */
  for (i = 0; i < N; i++) {
    udiff += (ub[i] - uc[i]);
  }
 
  /* Maximum.  */
  for (i = 0; i < N; i++) {
    umax = umax < uc[i] ? uc[i] : umax;
  }
 
  /* Minimum.  */
  for (i = 0; i < N; i++) {
    umin = umin > uc[i] ? uc[i] : umin;
  }
 
  /* check results:  */
  if (udiff != DIFF)
    abort ();
  if (umax != max_result)
    abort ();
  if (umin != min_result)
    abort ();
}
 
int main (void)
{ 
  check_vect ();
 
  main1 (100, 100, 1);
  main1 (0, 15, 0);
  return 0;
}
 
/* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" { xfail { vect_no_int_add || vect_no_int_max } } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
 

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