1  /* { dg-do run { target avx512fp16 } } */
       2  /* { dg-options "-O2 -mavx512fp16 -mavx512dq" } */
       3  
       4  
       5  #define AVX512FP16
       6  #include "avx512fp16-helper.h"
       7  
       8  #define N_ELEMS 8
       9  
      10  void NOINLINE
      11  emulate_fmsub_sh(V512 * dest, V512 op1, V512 op2,
      12                  __mmask8 k, int zero_mask, int mask3)
      13  {
      14      V512 v1, v2, v3, v4, v5, v6, v7, v8;
      15      int i;
      16  
      17      unpack_ph_2twops(op1, &v1, &v2);
      18      unpack_ph_2twops(op2, &v3, &v4);
      19      unpack_ph_2twops(*dest, &v7, &v8);
      20  
      21      if ((k&1) || !k)
      22        v5.f32[0] = v1.f32[0] * v3.f32[0] - v7.f32[0];
      23      else if (zero_mask)
      24        v5.f32[0] = 0;
      25      else
      26        v5.f32[0] = v7.f32[0];
      27      for (i = 1; i < 8; i++){
      28        if (mask3)
      29          v5.f32[i] = v7.f32[i];
      30        else
      31          v5.f32[i] = v1.f32[i];
      32      }
      33      *dest = pack_twops_2ph(v5, v6);
      34  }
      35  
      36  void
      37  test_512 (void)
      38  {
      39    V512 res;
      40    V512 exp;
      41  
      42    init_src();
      43    init_dest(&res, &exp);
      44    emulate_fmsub_sh(&exp, src1, src2,  0x1, 0, 0);
      45    res.xmmh[0] = _mm_fmsub_sh(src1.xmmh[0],
      46                               src2.xmmh[0], res.xmmh[0]);
      47    check_results(&res, &exp, N_ELEMS, "_mm_fmsub_sh");
      48    init_dest(&res, &exp);
      49    emulate_fmsub_sh(&exp, src1, src2,  0x1, 0, 1);
      50    res.xmmh[0] = _mm_mask3_fmsub_sh(src1.xmmh[0], src2.xmmh[0], res.xmmh[0],
      51                                     0x1);
      52    check_results(&res, &exp, N_ELEMS, "_mm_mask3_fmsub_sh");
      53    init_dest(&res, &exp);
      54    emulate_fmsub_sh(&exp, src1, src2,  0x1, 0, 0);
      55    res.xmmh[0] = _mm_mask_fmsub_sh(src1.xmmh[0], 0x1, src2.xmmh[0], res.xmmh[0]);
      56    check_results(&res, &exp, N_ELEMS, "_mm_mask_fmsub_sh");
      57    init_dest(&res, &exp);
      58    emulate_fmsub_sh(&exp, src1, src2,  0x3, 1, 0);
      59    res.xmmh[0] = _mm_maskz_fmsub_sh(0x3, src1.xmmh[0], src2.xmmh[0],
      60                                     res.xmmh[0]);
      61    check_results(&res, &exp, N_ELEMS, "_mm_maskz_fmsub_sh");
      62  
      63    init_dest(&res, &exp);
      64    emulate_fmsub_sh(&exp, src1, src2,  0x1, 0, 0);
      65    res.xmmh[0] = _mm_fmsub_round_sh(src1.xmmh[0], src2.xmmh[0], res.xmmh[0],
      66                                     _ROUND_NINT);
      67    check_results(&res, &exp, N_ELEMS, "_mm_fmsub_sh");
      68    init_dest(&res, &exp);
      69    emulate_fmsub_sh(&exp, src1, src2,  0x1, 0, 1);
      70    res.xmmh[0] = _mm_mask3_fmsub_round_sh(src1.xmmh[0], src2.xmmh[0],
      71                                           res.xmmh[0], 0x1, _ROUND_NINT);
      72    check_results(&res, &exp, N_ELEMS, "_mm_mask3_fmsub_sh");
      73    init_dest(&res, &exp);
      74    emulate_fmsub_sh(&exp, src1, src2,  0x1, 0, 0);
      75    res.xmmh[0] = _mm_mask_fmsub_round_sh(src1.xmmh[0], 0x1, src2.xmmh[0],
      76                                          res.xmmh[0], _ROUND_NINT);
      77    check_results(&res, &exp, N_ELEMS, "_mm_mask_fmsub_sh");
      78    init_dest(&res, &exp);
      79    emulate_fmsub_sh(&exp, src1, src2,  0x3, 1, 0);
      80    res.xmmh[0] = _mm_maskz_fmsub_round_sh(0x3, src1.xmmh[0], src2.xmmh[0],
      81                                           res.xmmh[0], _ROUND_NINT);
      82    check_results(&res, &exp, N_ELEMS, "_mm_maskz_fmsub_sh");
      83  
      84  
      85    if (n_errs != 0) {
      86        abort ();
      87    }
      88  }
      89