gcc/testsuite/gcc.c-torture/execute/simd-2.c

   1 /*
   2    Purpose: Test generic SIMD support, V8HImode.  This test should work
   3    regardless of if the target has SIMD instructions.
   4 */
   5
   6 void abort (void);
   7 void exit (int);
   8
   9 typedef short __attribute__((vector_size (16))) vecint;
  10
  11 vecint i = { 150, 100, 150, 200, 0, 0, 0, 0 };
  12 vecint j = { 10, 13, 20, 30, 1, 1, 1, 1 };
  13 vecint k;
  14
  15 union {
  16   vecint v;
  17   short i[8];
  18 } res;
  19
  20 /* This should go away once we can use == and != on vector types.  */
  21 void
  22 verify (int a1, int a2, int a3, int a4,
  23         int b1, int b2, int b3, int b4)
  24 {
  25   if (a1 != b1
  26       || a2 != b2
  27       || a3 != b3
  28       || a4 != b4)
  29     abort ();
  30 }
  31
  32 int
  33 main ()
  34 {
  35   k = i + j;
  36   res.v = k;
  37
  38   verify (res.i[0], res.i[1], res.i[2], res.i[3], 160, 113, 170, 230);
  39
  40   k = i * j;
  41   res.v = k;
  42
  43   verify (res.i[0], res.i[1], res.i[2], res.i[3], 1500, 1300, 3000, 6000);
  44
  45   k = i / j;
  46   res.v = k;
  47
  48   verify (res.i[0], res.i[1], res.i[2], res.i[3], 15, 7, 7, 6);
  49
  50   k = i & j;
  51   res.v = k;
  52
  53   verify (res.i[0], res.i[1], res.i[2], res.i[3], 2, 4, 20, 8);
  54
  55   k = i | j;
  56   res.v = k;
  57
  58   verify (res.i[0], res.i[1], res.i[2], res.i[3], 158, 109, 150, 222);
  59
  60   k = i ^ j;
  61   res.v = k;
  62
  63   verify (res.i[0], res.i[1], res.i[2], res.i[3], 156, 105, 130, 214);
  64
  65   k = -i;
  66   res.v = k;
  67   verify (res.i[0], res.i[1], res.i[2], res.i[3],
  68           -150, -100, -150, -200);
  69
  70   k = ~i;
  71   res.v = k;
  72   verify (res.i[0], res.i[1], res.i[2], res.i[3], -151, -101, -151, -201);
  73
  74   exit (0);
  75 }