gcc/testsuite/gcc.dg/vect/pr112818.c

   1 /* { dg-do compile } */
   2
   3 extern char tag_data[];
   4 struct pppoe_tag {
   5     unsigned short tag_type;
   6     unsigned short tag_len;
   7 };
   8
   9 char code;
  10 int *add_tag_pack;
  11 void *add_tag_data;
  12 short e;
  13 long c, d;
  14
  15 static int add_tag(int type, int len) {
  16     short a, b;
  17     struct pppoe_tag *tag = (struct pppoe_tag *)add_tag_pack;
  18     if (e + len || len < 0)
  19       return 1;
  20     b = __builtin_bswap16(type);
  21     tag->tag_type = b;
  22     a = __builtin_bswap16(len);
  23     tag->tag_len = a;
  24     if (add_tag_data)
  25       __builtin___memcpy_chk(tag_data, add_tag_data, len, c);
  26     return 0;
  27 }
  28 void pppoe_serv_read() {
  29     switch (code)
  30   case 9: {
  31               add_tag(2, d);
  32               add_tag(0, 2);
  33           }
  34 }