gen-vect-26.c

来自「linux下编程用 编译软件」· C语言 代码 · 共 35 行

/* { dg-do run { target vect_cmdline_needed } } */
/* { dg-options "-O2 -ftree-vectorize -ftree-vectorizer-verbose=3 -fdump-tree-vect-stats" } */

#include <stdlib.h>

#define N 128

/* unaligned store.  */

int main ()
{
  int i;
  char ia[N+1];

  for (i = 1; i <= N; i++)
    {
      ia[i] = 5;
    }

  /* check results:  */
  for (i = 1; i <= N; i++)
    {
      if (ia[i] != 5)
        abort ();
    }

  return 0;
}


/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */