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  
      17  #define NUM 64
      18  
      19  static void
      20  TEST (void)
      21  {
      22    union
      23      {
      24        __m128i x[NUM/8];
      25        unsigned short s[NUM];
      26      } src;
      27    unsigned short minVal[NUM/8];
      28    int minInd[NUM/8];
      29    unsigned short minValScalar, minIndScalar;
      30    int i, j, res;
      31  
      32    for (i = 0; i < NUM; i++)
      33      src.s[i] = i * i / (i + i / 3.14 + 1.0);
      34  
      35    for (i = 0, j = 0; i < NUM; i += 8, j++)
      36      {
      37        res = _mm_cvtsi128_si32 (_mm_minpos_epu16 (src.x [i/8]));
      38        minVal[j] = res & 0xffff;
      39        minInd[j] = (res >> 16) & 0x3;
      40      }
      41  
      42    for (i = 0; i < NUM; i += 8)
      43      {
      44        minValScalar = src.s[i];
      45        minIndScalar = 0;
      46  
      47        for (j = i + 1; j < i + 8; j++)
      48  	if (minValScalar > src.s[j])
      49  	  {
      50  	    minValScalar = src.s[j];
      51  	    minIndScalar = j - i;
      52  	  }
      53  
      54        if (minValScalar != minVal[i/8] && minIndScalar != minInd[i/8])
      55  	abort ();
      56      }
      57  }