gcc/testsuite/gcc.target/i386/avx512fp16-vgetexpph-1b.c

 /* { dg-do run { target avx512fp16 } } */
/* { dg-options "-O2 -mavx512fp16 -mavx512dq" } */


#define AVX512FP16
#include "avx512fp16-helper.h"

#define N_ELEMS (AVX512F_LEN / 16)

void NOINLINE
EMULATE(getexp_ph) (V512 * dest, V512 op1,
                  __mmask32 k, int zero_mask)
{
    V512 v1, v2, v3, v4, v5, v6, v7, v8;
    int i;
    float emu[32];
    __mmask16 m1, m2;
    m1 = k & 0xffff;
    m2 = (k >> 16) & 0xffff;
    unpack_ph_2twops(op1, &v1, &v2);
    unpack_ph_2twops(*dest, &v7, &v8);
    v3.zmm = _mm512_getexp_round_ps(v1.zmm, _ROUND_CUR);
    v4.zmm = _mm512_getexp_round_ps(v2.zmm, _ROUND_CUR);
    for (i=0; i<16; i++)
      {
      emu[i] = v3.f32[i];
      emu[i+16] = v4.f32[i];
      }
    for (i = 0; i < 16; i++) {
        if (((1 << i) & m1) == 0) {
            if (zero_mask) {
               v5.f32[i] = 0;
            }
            else {
               v5.u32[i] = v7.u32[i];
            }
        }
        else {
            v5.f32[i] = emu[i];

        }

        if (((1 << i) & m2) == 0) {
            if (zero_mask) {
               v6.f32[i] = 0;
            }
            else {
               v6.u32[i] = v8.u32[i];
            }
        }
        else {
            v6.f32[i] = emu[i+16];
        }

    }
    *dest = pack_twops_2ph(v5, v6);
}

void
TEST (void)
{
  V512 res;
  V512 exp;

  init_src();

  EMULATE(getexp_ph) (&exp, src1,  NET_MASK, 0);
  HF(res) = INTRINSIC (_getexp_ph) (HF(src1));
  CHECK_RESULT (&res, &exp, N_ELEMS, _getexp_ph);

  init_dest(&res, &exp);
  EMULATE(getexp_ph) (&exp, src1, MASK_VALUE, 0);
  HF(res) = INTRINSIC (_mask_getexp_ph) (HF(res), MASK_VALUE, HF(src1));
  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_getexp_ph);

  EMULATE(getexp_ph) (&exp, src1,  ZMASK_VALUE, 1);
  HF(res) = INTRINSIC (_maskz_getexp_ph) (ZMASK_VALUE, HF(src1));
  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_getexp_ph);
#if AVX512F_LEN == 512
  EMULATE(getexp_ph) (&exp, src1,  NET_MASK, 0);
  HF(res) = INTRINSIC (_getexp_round_ph) (HF(src1), _ROUND_CUR);
  CHECK_RESULT (&res, &exp, N_ELEMS, _getexp_round_ph);

  init_dest(&res, &exp);
  EMULATE(getexp_ph) (&exp, src1, MASK_VALUE, 0);
  HF(res) = INTRINSIC (_mask_getexp_round_ph) (HF(res), MASK_VALUE, HF(src1),
					 _ROUND_CUR);
  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_getexp_round_ph);

  EMULATE(getexp_ph) (&exp, src1,  ZMASK_VALUE, 1);
  HF(res) = INTRINSIC (_maskz_getexp_round_ph) (ZMASK_VALUE, HF(src1), _ROUND_CUR);
  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_getexp_round_ph);
#endif

  if (n_errs != 0) {
      abort ();
  }
}