1  /* { dg-do run { target { powerpc*-*-* } } } */
       2  /* { dg-require-effective-target int128 } */
       3  /* { dg-require-effective-target p9vector_hw } */
       4  /* { dg-options "-mdejagnu-cpu=power9" } */
       5  
       6  #include <altivec.h>
       7  #include <stdbool.h>
       8  #include <stdlib.h>
       9  
      10  bool
      11  test_infinity (__ieee128 *p)
      12  {
      13    __ieee128 source = *p;
      14  
      15    /*
      16      0x40    Test for NaN
      17      0x20    Test for +Infinity
      18      0x10    Test for -Infinity
      19      0x08    Test for +Zero
      20      0x04    Test for -Zero
      21      0x02    Test for +Denormal
      22      0x01    Test for -Denormal
      23    */
      24    return scalar_test_data_class (source, 0x30);
      25  }
      26  
      27  int
      28  main ()
      29  {
      30    /* Infinity is represented by a biased exponent value of:
      31     *   255 in single format
      32     *   2047 in double format
      33     *   32767 in ieee128 format
      34     * and a zero fraction value.  */
      35    __int128 plus_significand = (__int128) 0;
      36    __int128 minus_significand = ((__int128) 0x1) << 127;
      37    __int128 a_number_significand = (((__int128) 0x1) << 112);
      38  
      39    unsigned long long int infinite_exponent = 0x7fff;
      40    unsigned long long int a_number_exponent = 16383;
      41  
      42    __ieee128 plus_infinity =
      43      scalar_insert_exp (plus_significand, infinite_exponent);
      44    __ieee128 minus_infinity =
      45      scalar_insert_exp (minus_significand, infinite_exponent);
      46    __ieee128 a_number =
      47      scalar_insert_exp (a_number_significand, a_number_exponent);
      48  
      49    if (!test_infinity (&plus_infinity))
      50      abort ();
      51    if (!test_infinity (&minus_infinity))
      52      abort ();
      53    if (test_infinity (&a_number))
      54      abort ();
      55    return 0;
      56  }