1  /* { dg-options "-w -std=c99 -fno-inline" } */
       2  /* { dg-do run } */
       3  
       4  #include <limits.h>
       5  #include <stdint.h>
       6  #include <stdlib.h>
       7  
       8  
       9  uint16_t rotl_16a (uint16_t x)
      10  {
      11      return (x << 8) | (x >> 8);
      12  }
      13  uint16_t rotl_16b (short dummy, uint16_t x)
      14  {
      15      return (x << 8) | (x >> 8);
      16  }
      17  
      18  uint32_t rotl_32a (uint32_t x)
      19  {
      20      return (x << 8) | (x >> 24);
      21  }
      22  uint32_t rotl_32b (short dummy, uint32_t x)
      23  {
      24      return (x << 8) | (x >> 24);
      25  }
      26  uint32_t rotl_32c (short dummy, uint32_t x)
      27  {
      28      return (x << 16) | (x >> 16);
      29  }
      30  uint32_t rotl_32d (short dummy, uint32_t x)
      31  {
      32      return (x << 24) | (x >> 8);
      33  }
      34  uint32_t rotl_32e (long dummy, uint32_t x)
      35  {
      36      return (x << 24) | (x >> 8);
      37  }
      38  
      39  uint64_t rotl_64 (uint64_t x)
      40  {
      41      return (x << 56) | (x >> 8);
      42  }
      43  
      44  uint64_t rotl_64a (short dummy, uint64_t x)
      45  {
      46      return (x << 56) | (x >> 8);
      47  }
      48  uint64_t rotl_64b (short dummy, uint64_t x)
      49  {
      50      return (x << 48) | (x >> 16);
      51  }
      52  uint64_t rotl_64c (short dummy, uint64_t x)
      53  {
      54      return (x << 40) | (x >> 24);
      55  }
      56  uint64_t rotl_64d (short dummy, uint64_t x)
      57  {
      58      return (x << 32) | (x >> 32);
      59  }
      60  uint64_t rotl_64e (short dummy, uint64_t x)
      61  {
      62      return (x << 24) | (x >> 40);
      63  }
      64  uint64_t rotl_64f (short dummy, uint64_t x)
      65  {
      66      return (x << 16) | (x >> 48);
      67  }
      68  uint64_t rotl_64g (short dummy, uint64_t x)
      69  {
      70      return (x << 8) | (x >> 56);
      71  }
      72  uint64_t rotl_64h (long dummy, uint64_t x)
      73  {
      74      return (x << 16) | (x >> 48);
      75  }
      76   
      77  
      78  
      79  
      80  int main (void)
      81  {
      82    if (rotl_16a(0x1234) != 0x3412)
      83      abort();
      84    if (rotl_16b(0xAA55,0x1234) != 0x3412)
      85      abort();
      86  
      87  uint32_t num32 = 0x12345678;  
      88  
      89    if (rotl_32a(num32) != 0x34567812)
      90      abort();
      91    if (rotl_32b(0xAA55,num32) != 0x34567812)
      92      abort();
      93    if (rotl_32c(0xAA55,num32) != 0x56781234)
      94      abort();
      95    if (rotl_32d(0xAA55,num32) != 0x78123456)
      96      abort();
      97    if (rotl_32e(0x1122AA55,num32) != 0x78123456)
      98      abort();
      99  
     100  uint64_t num = 0x123456789ABCDEF0ULL;
     101  
     102   if (rotl_64(num) != 0xF0123456789ABCDEULL)
     103      abort();
     104   if (rotl_64a(0xAA55,num) != 0xF0123456789ABCDEULL)
     105      abort();
     106   if (rotl_64b(0xAA55,num) != 0xDEF0123456789ABCULL)
     107      abort();
     108   if (rotl_64c(0xAA55,num) != 0xBCDEF0123456789AULL)
     109      abort();
     110   if (rotl_64d(0xAA55,num) != 0x9ABCDEF012345678ULL)
     111      abort();
     112   if (rotl_64e(0xAA55,num) != 0x789ABCDEF0123456ULL)
     113      abort();
     114   if (rotl_64f(0xAA55,num) != 0x56789ABCDEF01234ULL)
     115      abort();
     116   if (rotl_64g(0xAA55,num) != 0x3456789ABCDEF012ULL)
     117      abort();
     118   if (rotl_64h(0x1122AA55,num) != 0x56789ABCDEF01234ULL)
     119      abort();
     120  
     121    exit (0);
     122  }
     123