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/* { dg-do run } */

/* { dg-require-effective-target sse4 } */

/* { dg-options "-O2 -msse4.1" } */

#ifndef CHECK_H

#define CHECK_H "sse4_1-check.h"

#endif

#ifndef TEST

#define TEST sse4_1_test

#endif

#include CHECK_H

#include <smmintrin.h>

#include <string.h>

#define NUM 20

#ifndef MASK

#define MASK 0x0f

#endif

static void

init_pblendw (short *src1, short *src2)

{

  int i, sign = 1;

  for (i = 0; i < NUM * 8; i++)

    {

      src1[i] = i * i * sign;

      src2[i] = (i + 20) * sign;

      sign = -sign;

    }

}

static int

check_pblendw (__m128i *dst, short *src1, short *src2)

{

  short tmp[8];

  int j;

  memcpy (&tmp[0], src1, sizeof (tmp));

  for (j = 0; j < 8; j++)

    if ((MASK & (1 << j)))

      tmp[j] = src2[j];

  return memcmp (dst, &tmp[0], sizeof (tmp));

}

static void

TEST (void)

{

  __m128i x, y;

  union

    {

      __m128i x[NUM];

      short s[NUM * 8];

    } dst, src1, src2;

  union

    {

      __m128i x;

      short s[8];

    } src3;

  int i;

  init_pblendw (src1.s, src2.s);

  /* Check pblendw imm8, m128, xmm */

  for (i = 0; i < NUM; i++)

    {

      dst.x[i] = _mm_blend_epi16 (src1.x[i], src2.x[i], MASK);

      if (check_pblendw (&dst.x[i], &src1.s[i * 8], &src2.s[i * 8]))

        abort ();

    }

   /* Check pblendw imm8, xmm, xmm */

  src3.x = _mm_setzero_si128 ();

  x = _mm_blend_epi16 (dst.x[2], src3.x, MASK);

  y = _mm_blend_epi16 (src3.x, dst.x[2], MASK);

  if (check_pblendw (&x, &dst.s[16], &src3.s[0]))

    abort ();

  if (check_pblendw (&y, &src3.s[0], &dst.s[16]))

    abort ();

}