1  /* { dg-do run { target avx512fp16 } } */
       2  /* { dg-options "-Ofast -mavx512fp16 -mavx512dq" } */
       3  
       4  #define AVX512FP16
       5  #include "avx512fp16-helper.h"
       6  
       7  void NOINLINE
       8  emulate_absneg_ph (V512 * dest, V512 op1, int abs)
       9  {
      10    V512 v1, v2, v3, v4;
      11    int i;
      12  
      13    unpack_ph_2twops(op1, &v1, &v2);
      14    unpack_ph_2twops(*dest, &v3, &v4);
      15  
      16    for (i = 0; i != 16; i++) {
      17      if (abs) {
      18        v3.f32[i] = __builtin_fabsf (v1.f32[i]);
      19        v4.f32[i] = __builtin_fabsf (v2.f32[i]);
      20      }
      21      else {
      22        v3.f32[i] = -v1.f32[i];
      23        v4.f32[i] = -v2.f32[i];
      24      }
      25    }
      26    *dest = pack_twops_2ph(v3, v4);
      27  }
      28  
      29  void NOINLINE
      30  emulate_copysign_ph (V512 * dest, V512 op1, V512 op2, int xorsign)
      31  {
      32    V512 v1, v2, v3, v4, v5, v6;
      33    int i;
      34  
      35    unpack_ph_2twops(op1, &v1, &v2);
      36    unpack_ph_2twops(op2, &v3, &v4);
      37    unpack_ph_2twops(*dest, &v5, &v6);
      38  
      39    for (i = 0; i != 16; i++) {
      40      if (xorsign) {
      41        v5.f32[i] = v1.f32[i] * __builtin_copysignf (1, v3.f32[i]);
      42        v6.f32[i] = v2.f32[i] * __builtin_copysignf (1, v4.f32[i]);
      43      }
      44      else {
      45        v5.f32[i] = __builtin_copysignf (v1.f32[i], v3.f32[i]);
      46        v6.f32[i] = __builtin_copysignf (v2.f32[i], v4.f32[i]);
      47      }
      48    }
      49    *dest = pack_twops_2ph(v5, v6);
      50  }
      51  
      52  void
      53  test_512 (void)
      54  {
      55    V512 res, exp;
      56  
      57    init_src ();
      58  
      59    /* Abs for float16.  */
      60    emulate_absneg_ph (&exp, src1, 1);
      61    res.f16[0] = __builtin_fabsf16 (src1.f16[0]);
      62    check_results (&res, &exp, 1, "abs_float16");
      63  
      64    /* Neg for float16.  */
      65    emulate_absneg_ph (&exp, src1, 0);
      66    res.f16[0] = -(src1.f16[0]);
      67    check_results (&res, &exp, 1, "neg_float16");
      68  
      69    /* Copysign for float16.  */
      70    emulate_copysign_ph (&exp, src1, src2, 0);
      71    res.f16[0] = __builtin_copysignf16 (src1.f16[0], src2.f16[0]);
      72    check_results (&res, &exp, 1, "copysign_float16");
      73  
      74    /* Xorsign for float16.  */
      75    emulate_copysign_ph (&exp, src1, src2, 1);
      76    res.f16[0] = src1.f16[0] * __builtin_copysignf16 (1, src2.f16[0]);
      77    check_results (&res, &exp, 1, "xorsign_float16");
      78  
      79    if (n_errs != 0) {
      80      abort ();
      81    }
      82  }