1  /* Executable testcase for 'output flags.'  */
       2  /* { dg-do run } */
       3  
       4  #ifdef __LP64__
       5  #define W ""
       6  #else
       7  #define W "w"
       8  #endif
       9  
      10  int test_bits (long nzcv)
      11  {
      12    long n, z, c, v;
      13  
      14    __asm__ ("msr nzcv, %[in]"
      15  	   : "=@ccmi"(n), "=@cceq"(z), "=@cccs"(c), "=@ccvs"(v)
      16  	   : [in] "r"(nzcv << 28));
      17  
      18    return n * 8 + z * 4 + c * 2 + v == nzcv;
      19  }
      20  	
      21  int test_cmps (long x, long y)
      22  {
      23    long gt, lt, ge, le;
      24  
      25    __asm__ ("cmp %"W"[x], %"W"[y]"
      26  	   : "=@ccgt"(gt), "=@cclt"(lt), "=@ccge"(ge), "=@ccle"(le)
      27  	   : [x] "r"(x), [y] "r"(y));
      28  
      29    return (gt == (x > y)
      30  	  && lt == (x < y)
      31  	  && ge == (x >= y)
      32  	  && le == (x <= y));
      33  }
      34  
      35  int test_cmpu (unsigned long x, unsigned long y)
      36  {
      37    long gt, lt, ge, le;
      38  
      39    __asm__ ("cmp %"W"[x], %"W"[y]"
      40  	   : "=@cchi"(gt), "=@cclo"(lt), "=@cchs"(ge), "=@ccls"(le)
      41  	   : [x] "r"(x), [y] "r"(y));
      42  
      43    return (gt == (x > y)
      44  	  && lt == (x < y)
      45  	  && ge == (x >= y)
      46  	  && le == (x <= y));
      47  }
      48  
      49  int main ()
      50  {
      51    long i, j;
      52  
      53    for (i = 0; i < 16; ++i)
      54      if (!test_bits (i))
      55        __builtin_abort ();
      56  
      57    for (i = -1; i <= 1; ++i)
      58      for (j = -1; j <= 1; ++j)
      59        if (!test_cmps (i, j))
      60          __builtin_abort ();
      61  
      62    for (i = 0; i <= 2; ++i)
      63      for (j = 0; j <= 2; ++j)
      64        if (!test_cmpu (i, j))
      65          __builtin_abort ();
      66  
      67    return 0;
      68  }