vect-85.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 50 行

/* { dg-require-effective-target vect_int } */

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

#define N 16

typedef int aint __attribute__ ((__aligned__(16)));

int main1 (int *a)
{
  int i, j, k;
  int b[N];

  for (i = 0; i < N; i++)
    {
      for (j = 0; j < N; j++)
        {
	  k = i + N;
          a[j] = k;
        }
      b[i] = k;
    }


  for (j = 0; j < N; j++)
    if (a[j] != i + N - 1)
      abort();	

  for (j = 0; j < N; j++)
    if (b[j] != j + N)
      abort();	

  return 0;
}

int main (void)
{ 
  aint a[N];

  check_vect ();

  main1 (a);

  return 0;
}

/* Fails for targets that don't vectorize PLUS (e.g alpha).  */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail alpha*-*-* } } } */