1  /* { dg-do run } */
       2  /* { dg-options "-O3 -save-temps -fno-inline -fno-vect-cost-model" } */
       3  
       4  extern void abort ();
       5  
       6  #define TEST(name, subname, count) \
       7  void \
       8  count_tz_##name (unsigned *__restrict a, int *__restrict b) \
       9  { \
      10    int i; \
      11    for (i = 0; i < count; i++) \
      12      b[i] = __builtin_##subname (a[i]); \
      13  }
      14  
      15  #define CHECK(name, count, input, output) \
      16    count_tz_##name (input, output); \
      17    for (i = 0; i < count; i++) \
      18      { \
      19        if (output[i] != r[i]) \
      20  	abort (); \
      21      }
      22  
      23  TEST (v4si, ctz, 4)
      24  TEST (v2si, ctz, 2)
      25  /* { dg-final { scan-assembler "clz\tv\[0-9\]+\.4s" } } */
      26  /* { dg-final { scan-assembler "clz\tv\[0-9\]+\.2s" } } */
      27  
      28  int
      29  main ()
      30  {
      31    unsigned int x4[4] = { 0x0, 0xFF80, 0x1FFFF, 0xFF000000 };
      32    int r[4] = { 32, 7, 0, 24 };
      33    int d[4], i;
      34  
      35    CHECK (v4si, 4, x4, d);
      36    CHECK (v2si, 2, x4, d);
      37  
      38    return 0;
      39  }
      40