1  /* { dg-do run } */
       2  /* { dg-require-effective-target sse4 } */
       3  /* { dg-options "-O2 -msse4.1" } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "sse4_1-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST sse4_1_test
      11  #endif
      12  
      13  #include CHECK_H
      14  
      15  #include <smmintrin.h>
      16  #include <string.h>
      17  
      18  #define NUM 20
      19  
      20  static void
      21  init_pblendvb (unsigned char *src1, unsigned char *src2,
      22  	       unsigned char *mask)
      23  {
      24    int i, sign = 1; 
      25  
      26    for (i = 0; i < NUM * 16; i++)
      27      {
      28        src1[i] = i* i * sign;
      29        src2[i] = (i + 20) * sign;
      30        mask[i] = (i % 3) + ((i * (14 + sign))
      31  			   ^ (src1[i] | src2[i] | (i*3)));
      32        sign = -sign;
      33      }
      34  }
      35  
      36  static int
      37  check_pblendvb (__m128i *dst, unsigned char *src1,
      38  		unsigned char *src2, unsigned char *mask)
      39  {
      40    unsigned char tmp[16];
      41    int j;
      42  
      43    memcpy (&tmp[0], src1, sizeof (tmp));
      44    for (j = 0; j < 16; j++)
      45      if (mask [j] & 0x80)
      46        tmp[j] = src2[j];
      47  
      48    return memcmp (dst, &tmp[0], sizeof (tmp));
      49  }
      50  
      51  static void
      52  TEST (void)
      53  {
      54    union
      55      {
      56        __m128i x[NUM];
      57        unsigned char c[NUM * 16];
      58      } dst, src1, src2, mask;
      59    int i;
      60  
      61    init_pblendvb (src1.c, src2.c, mask.c);
      62  
      63    for (i = 0; i < NUM; i++)
      64      {
      65        dst.x[i] = _mm_blendv_epi8 (src1.x[i], src2.x[i], mask.x[i]);
      66        if (check_pblendvb (&dst.x[i], &src1.c[i * 16], &src2.c[i * 16],
      67  			  &mask.c[i * 16]))
      68  	abort ();
      69      }
      70  }