gcc/testsuite/gcc.dg/vect/bb-slp-44.c

   1 typedef struct {
   2     unsigned long a;
   3     unsigned long b;
   4     unsigned long c;
   5 } data_o;
   6 typedef struct {
   7     unsigned long c;
   8     unsigned long gap1;
   9     unsigned long b;
  10     unsigned long gap2;
  11     unsigned long a;
  12     unsigned long x;
  13 } data_i;
  14
  15 volatile unsigned long gx;
  16 void __attribute__((noipa))
  17 bar(unsigned long x)
  18 {
  19   gx = x;
  20 }
  21
  22 void __attribute__((noipa))
  23 foo(data_o *o, data_i *i)
  24 {
  25   o->a = i->a;
  26   o->b = i->b;
  27   o->c = i->c;
  28   bar (i->x);
  29 }
  30
  31 int main()
  32 {
  33   unsigned long data[9];
  34   if ((__UINTPTR_TYPE__)data & 15 != 0)
  35     foo ((data_o *)&data[6], (data_i *)data);
  36   else
  37     foo ((data_o *)data, (data_i *)&data[3]);
  38   return 0;
  39 }