gcc/testsuite/gcc.target/arm/pr65647-2.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm_arch_v6_arm_ok } */
   3 /* { dg-options "-O3 -std=c99" } */
   4 /* { dg-add-options arm_arch_v6_arm } */
   5
   6 typedef struct {
   7   int i;
   8 } x264_union32_t;
   9 typedef struct {
  10   int level_idx;
  11 } trellis_node_t;
  12 int a, c, d, f, h, i = (int)&c;
  13 trellis_node_t b[1][1];
  14 short *e = 0;
  15 short g;
  16 void fn1() {
  17   int k[64 * 8 * 2];
  18   trellis_node_t *l = b[0];
  19   for (; i >= d; i--) {
  20     if (e[i]) {
  21       for (int j = 1; j < 8; j++) {
  22         ((x264_union32_t *)&k[a])->i = l[j].level_idx;
  23         l[j].level_idx = a;
  24         a++;
  25       }
  26       continue;
  27     }
  28     for (int j;; j++)
  29       ;
  30   }
  31   int m[6] __attribute__((aligned(16)));
  32   for (; h; h++, f++)
  33     g = m[h];
  34 }