1  /* { dg-do run } */
       2  /* { dg-options "-O2 -fno-inline --save-temps" } */
       3  
       4  extern long long llabs (long long);
       5  extern void abort (void);
       6  
       7  long long
       8  abs64 (long long a)
       9  {
      10    /* { dg-final { scan-assembler "csneg\t" } } */
      11    return llabs (a);
      12  }
      13  
      14  long long
      15  abs64_in_dreg (long long a)
      16  {
      17    /* { dg-final { scan-assembler "csneg\t" } } */
      18    register long long x asm ("d8") = a;
      19    register long long y asm ("d9");
      20    asm volatile ("" : : "w" (x));
      21    y = llabs (x);
      22    asm volatile ("" : : "w" (y));
      23    return y;
      24  }
      25  
      26  int
      27  main (void)
      28  {
      29    volatile long long ll0 = 0LL, ll1 = 1LL, llm1 = -1LL;
      30  
      31    if (abs64 (ll0) != 0LL)
      32      abort ();
      33  
      34    if (abs64 (ll1) != 1LL)
      35      abort ();
      36  
      37    if (abs64 (llm1) != 1LL)
      38      abort ();
      39  
      40    if (abs64_in_dreg (ll0) != 0LL)
      41      abort ();
      42  
      43    if (abs64_in_dreg (ll1) != 1LL)
      44      abort ();
      45  
      46    if (abs64_in_dreg (llm1) != 1LL)
      47      abort ();
      48  
      49    return 0;
      50  }
      51