gcc/testsuite/gcc.target/tic6x/builtins/extclr.c

   1 #include <c6x_intrinsics.h>
   2
   3 extern void abort (void);
   4
   5 #define N 4
   6
   7 int vals[N] = { 0, 0xffffffff, 0x89abcdef, 0xdeadbeef };
   8
   9 int main ()
  10 {
  11   int i;
  12   for (i = 0; i < N; i++)
  13     {
  14       int shf1, shf2;
  15       int v = vals[i];
  16       unsigned int uv = v;
  17
  18       for (shf1 = 0; shf1 < 32; shf1++)
  19         for (shf2 = 0; shf2 < 32; shf2++)
  20           {
  21             int r = (shf1 << 5) | shf2;
  22             if (shf2 > shf1)
  23               {
  24                 unsigned int mask = (1u << (shf2 - shf1) << 1) - 1;
  25                 mask <<= shf1;
  26                 if (_clrr (v, r) != (v & ~mask))
  27                   abort ();
  28               }
  29             if (_extr (v, r) != v << shf1 >> shf2)
  30               abort ();
  31             if (_extru (v, r) != uv << shf1 >> shf2)
  32               abort ();
  33           }
  34     }
  35   return 0;
  36 }