1  /* Test the IACC multiply/accumulate instructions.  Also test the IACC
       2     read/write functions.  */
       3  /* { dg-options "-mcpu=fr405" } */
       4  /* { dg-do run } */
       5  extern void abort (void);
       6  extern void exit (int);
       7  
       8  int main ()
       9  {
      10    long long res, res1, res2, res3;
      11  
      12    __SMU (0x12345678, 0x40004000);
      13    __SMASS (0x12000000, 0x11223344);
      14    __SMSSS (0x01020304, 0x54321000);
      15  
      16    res = __IACCreadll (0);
      17    res1 = 0x12345678LL * 0x40004000LL;
      18    res2 = 0x12000000LL * 0x11223344LL;
      19    res3 = 0x01020304LL * 0x54321000LL;
      20    if (res != res1 + res2 - res3)
      21      abort ();
      22  
      23    __IACCsetll (0, 0x7ffffffffffffff0LL);
      24    __SMASS (0x100, 0x100);
      25    if (__IACCreadll (0) != 0x7fffffffffffffffLL)
      26      abort ();
      27  
      28    __IACCsetl (0, -0x7ffffffe);
      29    __IACCsetl (1, 0);
      30    __SMSSS (0x10001, 0x10000);
      31    if (__IACCreadl (0) != -0x7fffffff - 1 || __IACCreadl (1) != -0x10000)
      32      abort ();
      33  
      34    __SMSSS (0x10001, 0x10000);
      35    if (__IACCreadl (0) != -0x7fffffff - 1 || __IACCreadl (1) != 0)
      36      abort ();
      37  
      38    exit (0);
      39  }