1  /* { dg-do run } */
       2  
       3  #include <stdlib.h>
       4  
       5  #define NUM_OF_STATES 4
       6  typedef unsigned int entry_t[2];
       7  typedef struct entries_item { entry_t metricEntries_[0]; } entries_item_t;
       8  
       9  void __attribute__((noinline,noclone))
      10  test_00(size_t numOfStates, entries_item_t* p_bm,
      11  	const unsigned int* polyArray,
      12  	size_t polyArraySize)
      13  {
      14    size_t idx;
      15    unsigned int hlp0, hlp1;
      16    for (idx = 0; idx < numOfStates; ++idx)
      17      {
      18        size_t idy;
      19  
      20        hlp0 = (idx << 1) | 0x00;
      21        hlp1 = (idx << 1) | 0x01;
      22        p_bm->metricEntries_[idx][0] = 0;
      23        p_bm->metricEntries_[idx][1] = 0;
      24        for (idy = 0; idy < polyArraySize; ++idy)
      25  	{
      26  	  p_bm->metricEntries_[idx][0]
      27  	      |= __builtin_parity(hlp0 & polyArray[idy]) << idy;
      28  	  p_bm->metricEntries_[idx][1]
      29  	      |= __builtin_parity(hlp1 & polyArray[idy]) << idy;
      30  	}
      31      }
      32  }
      33  
      34  int main()
      35  {
      36    unsigned int polyArray[] = { 0x07, 0x05 };
      37    entries_item_t* pBranchMetrics;
      38    pBranchMetrics = malloc(sizeof(entry_t) * NUM_OF_STATES);
      39    test_00(NUM_OF_STATES, pBranchMetrics, polyArray,
      40  	  sizeof(polyArray) / sizeof(polyArray[0]));
      41    if (pBranchMetrics->metricEntries_[0][0] != 0
      42        || pBranchMetrics->metricEntries_[0][1] != 3
      43        || pBranchMetrics->metricEntries_[1][0] != 1
      44        || pBranchMetrics->metricEntries_[1][1] != 2
      45        || pBranchMetrics->metricEntries_[2][0] != 3
      46        || pBranchMetrics->metricEntries_[2][1] != 0
      47        || pBranchMetrics->metricEntries_[3][0] != 2
      48        || pBranchMetrics->metricEntries_[3][1] != 1)
      49      abort ();
      50    free(pBranchMetrics);
      51    return 0;
      52  }