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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -marm -march=armv6 -std=c99" } */
   3
   4 typedef struct {
   5   int i;
   6 } x264_union32_t;
   7 typedef struct {
   8   int level_idx;
   9 } trellis_node_t;
  10 int a, c, d, f, h, i = (int)&c;
  11 trellis_node_t b[1][1];
  12 short *e = 0;
  13 short g;
  14 void fn1() {
  15   int k[64 * 8 * 2];
  16   trellis_node_t *l = b[0];
  17   for (; i >= d; i--) {
  18     if (e[i]) {
  19       for (int j = 1; j < 8; j++) {
  20         ((x264_union32_t *)&k[a])->i = l[j].level_idx;
  21         l[j].level_idx = a;
  22         a++;
  23       }
  24       continue;
  25     }
  26     for (int j;; j++)
  27       ;
  28   }
  29   int m[6] __attribute__((aligned(16)));
  30   for (; h; h++, f++)
  31     g = m[h];
  32 }