gcc/testsuite/gcc.c-torture/execute/vector-shift2.c

   1 #define vector(elcount, type)  \
   2 __attribute__((vector_size((elcount)*sizeof(type)))) type
   3
   4 #define vidx(type, vec, idx) (*((type *) &(vec) + idx))
   5 #define uint unsigned int
   6
   7 int main (int argc, char *argv[]) {
   8     vector(4, uint) vuint  = { 1,  2,  3,  4};
   9     vector(4,  int) vint0  = { 1,  1,  1,  1};
  10     vector(4,  int) vint1  = {-1, -1, -1, -1};
  11
  12     vector(4,  int) i1, i2, i3;
  13     vector(4, uint) u1, u2, u3;
  14
  15     i1 = vint1<< vint0;
  16
  17     if (vidx(int, i1, 0) != ((int)-1 << (int)1))
  18         __builtin_abort ();
  19     if (vidx(int, i1, 1) != ((int)-1 << (int)1))
  20         __builtin_abort ();
  21     if (vidx(int, i1, 2) != ((int)-1 << (int)1))
  22         __builtin_abort ();
  23     if (vidx(int, i1, 3) != ((int)-1 << (int)1))
  24         __builtin_abort ();
  25
  26     u1 = vuint << vint0;
  27
  28     if (vidx(int, u1, 0) != ((uint)1  << (int)1))
  29         __builtin_abort ();
  30     if (vidx(int, u1, 1) != ((uint)2  << (int)1))
  31         __builtin_abort ();
  32     if (vidx(int, u1, 2) != ((uint)3  << (int)1))
  33         __builtin_abort ();
  34     if (vidx(int, u1, 3) != ((uint)4  << (int)1))
  35         __builtin_abort ();
  36
  37
  38     i2 = vint1 >> vuint;
  39
  40     if (vidx(int, i2, 0) != ((int)-1  >> (uint)1))
  41         __builtin_abort ();
  42     if (vidx(int, i2, 1) != ((int)-1  >> (uint)2))
  43         __builtin_abort ();
  44     if (vidx(int, i2, 2) != ((int)-1  >> (uint)3))
  45         __builtin_abort ();
  46     if (vidx(int, i2, 3) != ((int)-1  >> (uint)4))
  47         __builtin_abort ();
  48
  49
  50     vint1 >>= vuint;
  51
  52     vuint <<= vint0;
  53     vuint <<= vint1;
  54
  55
  56     return 0;
  57 }
  58
  59