gcc/testsuite/gcc.target/i386/avx512fp16-vrndscaleph-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(roundscale_ph) (V512 * dest, V512 op1,
		      __mmask32 k, int zero_mask, int round)
{   
  V512 v1, v2, v3, v4, v5, v6, v7, v8;
  int i;
  __mmask16 m1, m2;
  V512 t1, t2;
  m1 = k & 0xffff; 
  m2 = (k >> 16) & 0xffff;

  unpack_ph_2twops(op1, &v1, &v2);
  unpack_ph_2twops(*dest, &v7, &v8);
  if (round==0)
  {
    t1.zmm = _mm512_maskz_roundscale_ps (0xffff, v1.zmm, 0x11);
    t2.zmm = _mm512_maskz_roundscale_ps (0xffff, v2.zmm, 0x11);
  }  
  else
  {
    t1.zmm = _mm512_maskz_roundscale_ps (0xffff, v1.zmm, 0x14);
    t2.zmm = _mm512_maskz_roundscale_ps (0xffff, v2.zmm, 0x14);
  }
  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] = t1.f32[i];
    }

    if (((1 << i) & m2) == 0) {
	if (zero_mask) {
	    v6.f32[i] = 0;
	}
	else {
	    v6.u32[i] = v8.u32[i];
	}
    }
    else {
	v6.f32[i] = t2.f32[i];
    }
  }
  *dest = pack_twops_2ph(v5, v6);
}

void
TEST (void)
{
  V512 res, exp;

  init_src();

  EMULATE(roundscale_ph) (&exp, src1,  NET_MASK, 0, 1);
  HF(res) = INTRINSIC (_roundscale_ph) (HF(src1), 0x13);
  CHECK_RESULT (&res, &exp, N_ELEMS, _roundscale_ph);

  init_dest(&res, &exp);
  EMULATE(roundscale_ph) (&exp, src1, MASK_VALUE, 0, 1);
  HF(res) = INTRINSIC (_mask_roundscale_ph) (HF(res), MASK_VALUE, HF(src1), 0x14);
  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_roundscale_ph);

  EMULATE(roundscale_ph) (&exp, src1,  ZMASK_VALUE, 1, 1);
  HF(res) = INTRINSIC (_maskz_roundscale_ph) (ZMASK_VALUE, HF(src1), 0x14);
  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_roundscale_ph);

#if AVX512F_LEN == 512
  EMULATE(roundscale_ph) (&exp, src1,  NET_MASK, 0, 1);
  HF(res) = INTRINSIC (_roundscale_round_ph) (HF(src1), 0x13, 0x08);
  CHECK_RESULT (&res, &exp, N_ELEMS, _roundscale_round_ph);

  init_dest(&res, &exp);
  EMULATE(roundscale_ph) (&exp, src1, MASK_VALUE, 0, 1);
  HF(res) = INTRINSIC (_mask_roundscale_round_ph) (HF(res), MASK_VALUE, HF(src1), 0x14, 0x08);
  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_roundscale_round_ph);

  EMULATE(roundscale_ph) (&exp, src1,  ZMASK_VALUE, 1, 1);
  HF(res) = INTRINSIC (_maskz_roundscale_round_ph) (ZMASK_VALUE, HF(src1), 0x14, 0x08);
  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_roundscale_round_ph);
#endif

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