1  /*
       2   Test the least significant bit by byte instruction
       3      xvtlsbb BF,XB
       4   Using the builtins
       5      int vec_test_lsbb_all_zeros (vector unsigned char);
       6      int vec_test_lsbb_all_ones (vector unsigned char);
       7   */
       8  
       9  /* { dg-do run { target { power10_hw } } } */
      10  /* { dg-do link { target { ! power10_hw } } } */
      11  /* { dg-require-effective-target power10_ok } */
      12  /* { dg-options "-fno-inline -mdejagnu-cpu=power10 -O2" } */
      13  
      14  #include <altivec.h>
      15  #include <stdio.h>
      16  
      17  void abort (void);
      18  
      19  #define ITERS 7
      20  vector char input_vec[ITERS] = {
      21    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
      22    {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
      23    {0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
      24    {1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0},
      25    {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
      26    {0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe},
      27    {0xfe, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9}
      28  };
      29  
      30  int expected_allzeros_results[ITERS] = {1, 0, 0, 0, 0, 1, 0};
      31  int expected_allones_results[ITERS] =  {0, 1, 0, 0, 1, 0, 0};
      32  
      33  int test_for_zeros(vector char vc) {
      34    return vec_test_lsbb_all_zeros(vc);
      35  }
      36  
      37  int test_for_ones(vector char vc) {
      38    return vec_test_lsbb_all_ones(vc);
      39  }
      40  
      41  int main ()
      42  {
      43  int allzeros,allones;
      44  int iter;
      45  int failcount=0;
      46  vector char srcvec;
      47  
      48  for (iter=0;iter<ITERS;iter++) {
      49    srcvec = input_vec[iter];
      50    allzeros = test_for_zeros(srcvec);
      51    allones = test_for_ones(srcvec);
      52    if (allzeros != expected_allzeros_results[iter]) {
      53      printf("fail on allzero check. iter %d, result was %d \n", iter, allzeros);
      54      failcount++;
      55    }
      56    if (allones != expected_allones_results[iter]) {
      57      printf("fail on allones check. iter %d, result was %d \n", iter, allones);
      58      failcount++;
      59    }
      60  }
      61  
      62  if (failcount)
      63    abort();
      64  return 0;
      65  }
      66