vect-56a.c   [plain text]

/* { dg-do run { target powerpc*-*-* } } */
/* { dg-do run { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -maltivec" { target powerpc*-*-* } } */
/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -mmmx" { target i?86-*-* x86_64-*-* } } */

#include <stdarg.h>
#include "tree-vect.h"

#define N 256

typedef short ashort __attribute__ ((__aligned__(16)));

void bar (ashort *pa, ashort *pb, ashort *pc)
{
  int i;

  /* check results:  */
  for (i = 0; i < N/2; i++)
    {
      if (pa[i] != (pb[i+1] + pc[i+1]))
	abort ();
    }

  return;
}


int
main1 (ashort * __restrict__ pa, ashort * __restrict__ pb, ashort * __restrict__ pc)
{
  int i;

  for (i = 0; i < N/2; i++)
    {
      pa[i] = pb[i+1] + pc[i+1];
    }

  bar (pa,pb,pc);

  return 0;
}

int main (void)
{
  int i;
  ashort a[N];
  ashort b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  ashort c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};

  check_vect ();

  main1 (a,b,c);
  return 0;
}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */