gcc/testsuite/gcc.target/powerpc/vsx-builtin-19b.c

   1 /* { dg-do run { target int128 } } */
   2 /* { dg-require-effective-target vsx_hw } */
   3 /* { dg-options "-mvsx -O3" } */
   4
   5 /* This test should run the same on any target that supports vsx
   6    instructions.  Intentionally not specifying cpu in order to test
   7    all code generation paths.  */
   8
   9 #include <altivec.h>
  10
  11 extern void abort (void);
  12
  13 #define CONST0          (31415926539LL)
  14 #define CONST1          (2 * 31415926539LL)
  15
  16 /* Test that indices > length of vector are applied modulo the vector
  17    length.  */
  18
  19 /* Test for vector residing in register.  */
  20 unsigned long long int e0 (vector unsigned long long int v)
  21 {
  22   return __builtin_vec_extract (v, 0);
  23 }
  24
  25 unsigned long long int e3 (vector unsigned long long int v)
  26 {
  27   return __builtin_vec_extract (v, 3);
  28 }
  29
  30 /* Test for vector residing in memory.  */
  31 unsigned long long int me0 (vector unsigned long long int *vp)
  32 {
  33   return __builtin_vec_extract (*vp, 0);
  34 }
  35
  36 unsigned long long int me3 (vector unsigned long long int *vp)
  37 {
  38   return __builtin_vec_extract (*vp, 3);
  39 }
  40
  41 /* Test the same with variable indices.  */
  42
  43 /* Test for variable selector and vector residing in register.  */
  44 __attribute__((noinline))
  45 unsigned long long int ei (vector unsigned long long int v, int i)
  46 {
  47   return __builtin_vec_extract (v, i);
  48 }
  49
  50 /* Test for variable selector and vector residing in memory.  */
  51 unsigned long long int mei (vector unsigned long long int *vp, int i)
  52 {
  53   return __builtin_vec_extract (*vp, i);
  54 }
  55
  56 int main (int argc, char *argv[]) {
  57   vector unsigned long long int dv = { CONST0, CONST1 };
  58   unsigned long long int d;
  59
  60   d = e0 (dv);
  61   if (d != CONST0)
  62     abort ();
  63
  64   d = e3 (dv);
  65   if (d != CONST1)
  66     abort ();
  67
  68   d = me0 (&dv);
  69   if (d != CONST0)
  70     abort ();
  71
  72   d = me3 (&dv);
  73   if (d != CONST1)
  74     abort ();
  75
  76   d = ei (dv, 0);
  77   if (d != CONST0)
  78     abort ();
  79
  80   d = ei (dv, 1);
  81   if (d != CONST1)
  82     abort ();
  83
  84   d = ei (dv, 2);
  85   if (d != CONST0)
  86     abort ();
  87
  88   d = ei (dv, 3);
  89   if (d != CONST1)
  90     abort ();
  91
  92   d = mei (&dv, 0);
  93   if (d != CONST0)
  94     abort ();
  95
  96   d = mei (&dv, 1);
  97   if (d != CONST1)
  98     abort ();
  99
 100   d = mei (&dv, 2);
 101   if (d != CONST0)
 102     abort ();
 103
 104   d = mei (&dv, 3);
 105   if (d != CONST1)
 106     abort ();
 107
 108   return 0;
 109 }