gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/execute/simd-1.c

   1 /* Origin: Aldy Hernandez <aldyh@redhat.com>
   2
   3    Purpose: Test generic SIMD support.  This test should work
   4    regardless of if the target has SIMD instructions.
   5 */
   6
   7 typedef int __attribute__((vector_size (16))) vecint;
   8 typedef int __attribute__((mode(SI))) siint;
   9
  10 vecint i = { 150, 100, 150, 200 };
  11 vecint j = { 10, 13, 20, 30 };
  12 vecint k;
  13
  14 union {
  15   vecint v;
  16   siint i[4];
  17 } res;
  18
  19 /* This should go away once we can use == and != on vector types.  */
  20 void
  21 verify (siint a1, siint a2, siint a3, siint a4,
  22         siint b1, siint b2, siint b3, siint b4)
  23 {
  24   if (a1 != b1
  25       || a2 != b2
  26       || a3 != b3
  27       || a4 != b4)
  28     abort ();
  29 }
  30
  31 int
  32 main ()
  33 {
  34   k = i + j;
  35   res.v = k;
  36
  37   verify (res.i[0], res.i[1], res.i[2], res.i[3], 160, 113, 170, 230);
  38
  39   k = i * j;
  40   res.v = k;
  41
  42   verify (res.i[0], res.i[1], res.i[2], res.i[3], 1500, 1300, 3000, 6000);
  43
  44   k = i / j;
  45   res.v = k;
  46
  47   verify (res.i[0], res.i[1], res.i[2], res.i[3], 15, 7, 7, 6);
  48
  49   k = i & j;
  50   res.v = k;
  51
  52   verify (res.i[0], res.i[1], res.i[2], res.i[3], 2, 4, 20, 8);
  53
  54   k = i | j;
  55   res.v = k;
  56
  57   verify (res.i[0], res.i[1], res.i[2], res.i[3], 158, 109, 150, 222);
  58
  59   k = i ^ j;
  60   res.v = k;
  61
  62   verify (res.i[0], res.i[1], res.i[2], res.i[3], 156, 105, 130, 214);
  63
  64   k = -i;
  65   res.v = k;
  66   verify (res.i[0], res.i[1], res.i[2], res.i[3],
  67           -150, -100, -150, -200);
  68
  69   k = ~i;
  70   res.v = k;
  71   verify (res.i[0], res.i[1], res.i[2], res.i[3], -151, -101, -151, -201);
  72
  73   exit (0);
  74 }