1  /* 20050922-1.c does not trigger the expand_shift rotate bug on sh4-elf, but  
       2     this does.  */
       3  
       4  /* { dg-do run } */
       5  /* { dg-options "-O1 -std=c99" } */
       6  
       7  extern void abort (void);
       8  extern void exit (int);
       9  
      10  #if __INT_MAX__ == 2147483647
      11  typedef unsigned int uint32_t;
      12  #elif __LONG_MAX__ == 2147483647
      13  typedef unsigned long uint32_t;
      14  #else
      15  #error unable to find 32-bit integer type
      16  #endif
      17  
      18  #define rotl(x,n)   (((x) << ((int)(n))) | ((x) >> (32 - (int)(n))))
      19  
      20  uint32_t
      21  f (uint32_t a, uint32_t b)
      22  {
      23  
      24    b = rotl (a, b & 31);
      25    return b;
      26  }
      27  
      28  int
      29  main ()
      30  {
      31    if (f(2,31) != 1)
      32      abort ();
      33    exit (0);
      34  }