validation/builtin-bswap-constant.c

   1 unsigned short bswap16(void);
   2 unsigned short bswap16(void)
   3 {
   4         return __builtin_bswap16(0x1234);
   5 }
   6
   7 unsigned int bswap32(void);
   8 unsigned int bswap32(void)
   9 {
  10         return __builtin_bswap32(0x12345678);
  11 }
  12
  13 unsigned long long bswap64(void);
  14 unsigned long long bswap64(void)
  15 {
  16         return __builtin_bswap64(0x123456789abcdef0ULL);
  17 }
  18
  19 unsigned int half_constant(void);
  20 unsigned int half_constant(void)
  21 {
  22         int v = 0x12345678;
  23         return __builtin_bswap32(v);
  24 }
  25 /*
  26  * check-name: builtin-bswap-constant
  27  * check-command: test-linearize $file
  28  *
  29  * check-output-ignore
  30  * check-output-excludes: __builtin_bswap
  31  * check-output-contains:ret.16 *.0x3412
  32  * check-output-contains:ret.32 *.0x78563412
  33  * check-output-contains:ret.64 *.0xf0debc9a78563412
  34  */