gcc/testsuite/c-c++-common/torture/vector-shift2.c

   1 /* { dg-do run } */
   2 #define vector(elcount, type)  \
   3 __attribute__((vector_size((elcount)*sizeof(type)))) type
   4
   5 #define vidx(type, vec, idx) (*((type *) &(vec) + idx))
   6 #define uint unsigned int
   7
   8 int main (int argc, char *argv[]) {
   9     vector(4, uint) vuint  = { 1,  2,  3,  4};
  10     vector(4,  int) vint0  = { 1,  1,  1,  1};
  11     vector(4,  int) vint1  = {-1, -1, -1, -1};
  12
  13     vector(4,  int) i1, i2, i3;
  14     vector(4, uint) u1, u2, u3;
  15
  16     i1 = vint1<< vint0;
  17
  18     if (vidx(int, i1, 0) != ((int)-1 << (int)1))
  19         __builtin_abort ();
  20     if (vidx(int, i1, 1) != ((int)-1 << (int)1))
  21         __builtin_abort ();
  22     if (vidx(int, i1, 2) != ((int)-1 << (int)1))
  23         __builtin_abort ();
  24     if (vidx(int, i1, 3) != ((int)-1 << (int)1))
  25         __builtin_abort ();
  26
  27     u1 = vuint << vint0;
  28
  29     if (vidx(int, u1, 0) != ((uint)1  << (int)1))
  30         __builtin_abort ();
  31     if (vidx(int, u1, 1) != ((uint)2  << (int)1))
  32         __builtin_abort ();
  33     if (vidx(int, u1, 2) != ((uint)3  << (int)1))
  34         __builtin_abort ();
  35     if (vidx(int, u1, 3) != ((uint)4  << (int)1))
  36         __builtin_abort ();
  37
  38
  39     i2 = vint1 >> vuint;
  40
  41     if (vidx(int, i2, 0) != ((int)-1  >> (uint)1))
  42         __builtin_abort ();
  43     if (vidx(int, i2, 1) != ((int)-1  >> (uint)2))
  44         __builtin_abort ();
  45     if (vidx(int, i2, 2) != ((int)-1  >> (uint)3))
  46         __builtin_abort ();
  47     if (vidx(int, i2, 3) != ((int)-1  >> (uint)4))
  48         __builtin_abort ();
  49
  50
  51     vint1 >>= vuint;
  52
  53     vuint <<= vint0;
  54     vuint <<= vint1;
  55
  56
  57     return 0;
  58 }
  59
  60