1  /* { dg-do run { target aarch64_sve_hw } } */
       2  /* { dg-options "-O2 -ftree-vectorize" } */
       3  
       4  #include "popcount_1.c"
       5  
       6  extern void abort (void) __attribute__ ((noreturn));
       7  
       8  unsigned int data[] = {
       9    0x11111100, 6,
      10    0xe0e0f0f0, 14,
      11    0x9900aab3, 13,
      12    0x00040003, 3,
      13    0x000e000c, 5,
      14    0x22227777, 16,
      15    0x12341234, 10,
      16    0x0, 0
      17  };
      18  
      19  int __attribute__ ((optimize (1)))
      20  main (void)
      21  {
      22    unsigned int count = sizeof (data) / sizeof (data[0]) / 2;
      23  
      24    uint32_t in32[count];
      25    unsigned int out32[count];
      26    for (unsigned int i = 0; i < count; ++i)
      27      {
      28        in32[i] = data[i * 2];
      29        asm volatile ("" ::: "memory");
      30      }
      31    popcount_32 (out32, in32, count);
      32    for (unsigned int i = 0; i < count; ++i)
      33      if (out32[i] != data[i * 2 + 1])
      34        abort ();
      35  
      36    count /= 2;
      37    uint64_t in64[count];
      38    unsigned int out64[count];
      39    for (unsigned int i = 0; i < count; ++i)
      40      {
      41        in64[i] = ((uint64_t) data[i * 4] << 32) | data[i * 4 + 2];
      42        asm volatile ("" ::: "memory");
      43      }
      44    popcount_64 (out64, in64, count);
      45    for (unsigned int i = 0; i < count; ++i)
      46      if (out64[i] != data[i * 4 + 1] + data[i * 4 + 3])
      47        abort ();
      48  
      49    return 0;
      50  }