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 / 2];
      25        long long ll[NUM];
      26      } dst;
      27    union
      28      {
      29        __m128i x[NUM / 2];
      30        int i[NUM * 2];
      31      } src1, src2;
      32    int i, sign = 1;
      33    long long value;
      34  
      35    for (i = 0; i < NUM * 2; i += 2)
      36      {
      37        src1.i[i] = i * i * sign;
      38        src2.i[i] = (i + 20) * sign;
      39        sign = -sign;
      40      }
      41  
      42    for (i = 0; i < NUM; i += 2)
      43      dst.x[i / 2] = _mm_mul_epi32 (src1.x[i / 2], src2.x[i / 2]);
      44  
      45    for (i = 0; i < NUM; i++)
      46      {
      47        value = (long long) src1.i[i * 2] * (long long) src2.i[i * 2];
      48        if (value != dst.ll[i])
      49  	abort ();
      50      }
      51  }