gcc/testsuite/gcc.dg/vect/pr21591.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 struct a
   5 {
   6   int length;
   7   int a1[256];
   8 };
   9
  10 struct a *malloc1(__SIZE_TYPE__) __attribute__((malloc));
  11 void free(void*);
  12
  13 struct a *p, *q, *r;
  14
  15 void f(void)
  16 {
  17    struct a *a = malloc1(sizeof(struct a));
  18    struct a *b = malloc1(sizeof(struct a));
  19    struct a *c = malloc1(sizeof(struct a));
  20    int i;
  21
  22    for (i = 0; i < 256; i++)
  23    {
  24       b->a1[i] = i;
  25       c->a1[i] = i;
  26    }
  27    for (i = 0; i < 256; i++)
  28    {
  29       a->a1[i] = b->a1[i] + c->a1[i];
  30    }
  31    p = a;
  32    q = b;
  33    r = c;
  34 }
  35
  36 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
  37