gcc/testsuite/gcc.c-torture/compile/pr65163.c

   1 /* PR target/65163  */
   2
   3 typedef unsigned int uint32_t;
   4 typedef unsigned short uint16_t;
   5 union unaligned_32 { uint32_t l; } __attribute__((packed));
   6 union unaligned_16 { uint16_t l; } __attribute__((packed));
   7
   8 int
   9 test_00 (unsigned char* buf, int bits_per_component)
  10 {
  11   (((union unaligned_32*)(buf))->l) =
  12     __builtin_bswap32 (bits_per_component == 10 ? 1 : 0);
  13   return 0;
  14 }
  15
  16 int
  17 test_01 (unsigned char* buf, int bits_per_component)
  18 {
  19   (((union unaligned_16*)(buf))->l) =
  20     __builtin_bswap16 (bits_per_component == 10 ? 1 : 0);
  21   return 0;
  22 }