gcc/testsuite/gcc.dg/vect/pr97769.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-O3" } */
   3
   4 typedef struct {
   5     int alg;
   6     int h1[8];
   7     unsigned d1[1];
   8 } tmp;
   9 typedef struct {
  10     tmp itmp;
  11     tmp otmp;
  12 } h1;
  13 h1 c;
  14
  15 static void
  16 fn1(char *p1, int p2)
  17 {
  18   int i = 0;
  19   for (; i < 4; i++)
  20     *p1++ = p2;
  21 }
  22
  23 static void
  24 fn2(tmp *p1)
  25 {
  26   char *d = (char *)p1->d1;
  27   int *b = p1->h1;
  28   for (int a = 0; a; a++, d += 4)
  29     fn1(d, *b++);
  30 }
  31
  32 void fn3() { fn2(&(&c)->otmp); }