gcc/testsuite/gcc.c-torture/execute/pr40668.c

   1 #if (__SIZEOF_INT__ == 2)
   2 #define TESTVALUE 0x1234
   3 #else
   4 #define TESTVALUE 0x12345678
   5 #endif
   6 static void
   7 foo (unsigned int x, void *p)
   8 {
   9   __builtin_memcpy (p, &x, sizeof x);
  10 }
  11
  12 void
  13 bar (int type, void *number)
  14 {
  15   switch (type)
  16     {
  17     case 1:
  18       foo (TESTVALUE, number);
  19       break;
  20     case 7:
  21       foo (0, number);
  22       break;
  23     case 8:
  24       foo (0, number);
  25       break;
  26     case 9:
  27       foo (0, number);
  28       break;
  29     }
  30 }
  31
  32 int
  33 main (void)
  34 {
  35   unsigned int x;
  36   bar (1, &x);
  37   if (x != TESTVALUE)
  38     __builtin_abort ();
  39   return 0;
  40 }