1  /* { dg-do run } */
       2  
       3  #define vector __attribute__((vector_size(sizeof(int)*4) ))
       4  
       5  static vector int allones = {1, 1, 1, 1};
       6  static vector int allzeros = {0, 0, 0, 0};
       7  static vector int numbers = {0, 1, 2, 3};
       8  static vector int numbersleftshiftallones = {0, 2, 4, 6};
       9  static vector int numbersrightshiftallones = {0, 0, 1, 1};
      10  
      11  
      12  static vector unsigned int uallones = {1, 1, 1, 1};
      13  static vector unsigned int uallzeros = {0, 0, 0, 0};
      14  static vector unsigned int unumbers = {0, 1, 2, 3};
      15  static vector unsigned int unumbersleftshiftallones = {0, 2, 4, 6};
      16  static vector unsigned int unumbersrightshiftallones = {0, 0, 1, 1};
      17  
      18  #define TEST(result, expected) \
      19  do { \
      20    __typeof__(result) result1 = result; \
      21    if(sizeof (result1) != sizeof (expected)) \
      22      __builtin_abort (); \
      23    if (__builtin_memcmp (&result1, &expected, sizeof(result1)) != 0) \
      24      __builtin_abort (); \
      25  }while (0);
      26  
      27  int main(void)
      28  {
      29    vector int result;
      30    TEST ((numbers << allzeros), numbers);
      31    TEST ((numbers >> allzeros), numbers);
      32    TEST((numbers << allones), numbersleftshiftallones);
      33    TEST((numbers >> allones), numbersrightshiftallones);
      34    /* Test left shift followed by a right shift, numbers should be back as
      35       numbers are all small numbers and no lose of precision happens.   */
      36    TEST((numbers << allones) >> allones, numbers);
      37    
      38    
      39    
      40    TEST ((unumbers << uallzeros), unumbers);
      41    TEST ((unumbers >> uallzeros), unumbers);
      42    TEST((unumbers << uallones), unumbersleftshiftallones);
      43    TEST((unumbers >> uallones), unumbersrightshiftallones);
      44    /* Test left shift followed by a right shift, numbers should be back as
      45       numbers are all small numbers and no lose of precision happens.   */
      46    TEST((unumbers << uallones) >> uallones, unumbers);
      47  
      48    return 0;  
      49  }