gcc/testsuite/gcc.target/powerpc/vsx-builtin-9b.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target vmx_hw } */
   3 /* { dg-options "-maltivec -O3" } */
   4
   5 /* This test should run the same on any target that supports altivec/dfp
   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          (0)
  14 #define CONST1          (1)
  15 #define CONST2          (2)
  16 #define CONST3          (3)
  17 #define CONST4          (4)
  18 #define CONST5          (5)
  19 #define CONST6          (6)
  20 #define CONST7          (7)
  21 #define CONST8          (8)
  22 #define CONST9          (9)
  23 #define CONSTA          (10)
  24 #define CONSTB          (11)
  25 #define CONSTC          (12)
  26 #define CONSTD          (13)
  27 #define CONSTE          (14)
  28 #define CONSTF          (15)
  29
  30
  31 /* Test that indices > length of vector are applied modulo the vector
  32    length.  */
  33
  34 /* Test for vector residing in register.  */
  35 signed char c0 (vector signed char v)
  36 {
  37   return __builtin_vec_ext_v16qi (v, 0);
  38 }
  39
  40 signed char c9 (vector signed char v)
  41 {
  42   return __builtin_vec_ext_v16qi (v, 9);
  43 }
  44
  45 signed char c21 (vector signed char v)
  46 {
  47   return __builtin_vec_ext_v16qi (v, 21);
  48 }
  49
  50 signed char c30 (vector signed char v)
  51 {
  52   return __builtin_vec_ext_v16qi (v, 30);
  53 }
  54
  55 /* Test for vector residing in memory.  */
  56 signed char mc0 (vector signed char *vp)
  57 {
  58   return __builtin_vec_ext_v16qi (*vp, 0);
  59 }
  60
  61 signed char mc9 (vector signed char *vp)
  62 {
  63   return __builtin_vec_ext_v16qi (*vp, 9);
  64 }
  65
  66 signed char mc21 (vector signed char *vp)
  67 {
  68   return __builtin_vec_ext_v16qi (*vp, 21);
  69 }
  70
  71 signed char mc30 (vector signed char *vp)
  72 {
  73   return __builtin_vec_ext_v16qi (*vp, 30);
  74 }
  75
  76 /* Test the same with variable indices.  */
  77
  78 /* Test for variable selector and vector residing in register.  */
  79 __attribute__((noinline))
  80 signed char ci (vector signed char v, int i)
  81 {
  82   return __builtin_vec_ext_v16qi (v, i);
  83 }
  84
  85 /* Test for variable selector and vector residing in memory.  */
  86 __attribute__((noinline))
  87 signed char mci(vector signed char *vp, int i) {
  88   return __builtin_vec_ext_v16qi (*vp, i);
  89 }
  90
  91
  92 int main (int argc, char *argv[]) {
  93   vector signed char cv = { CONST0, CONST1, CONST2, CONST3,
  94                             CONST4, CONST5, CONST6, CONST7,
  95                             CONST8, CONST9, CONSTA, CONSTB,
  96                             CONSTC, CONSTD, CONSTE, CONSTF };
  97   signed char c;
  98
  99   c = c0 (cv);
 100   if (c != CONST0)
 101     abort ();
 102
 103   c = c9 (cv);
 104   if (c != CONST9)
 105     abort ();
 106
 107   c = c21 (cv);
 108   if (c != CONST5)
 109     abort ();
 110
 111   c = c30 (cv);
 112   if (c != CONSTE)
 113     abort ();
 114
 115   c = mc0 (&cv);
 116   if (c != CONST0)
 117     abort ();
 118
 119   c = mc9 (&cv);
 120   if (c != CONST9)
 121     abort ();
 122
 123   c = mc21 (&cv);
 124   if (c != CONST5)
 125     abort ();
 126
 127   c = mc30 (&cv);
 128   if (c != CONSTE)
 129     abort ();
 130
 131   c = ci (cv, 8);
 132   if (c != CONST8)
 133     abort ();
 134
 135   c = ci (cv, 13);
 136   if (c != CONSTD)
 137     abort ();
 138
 139   c = ci (cv, 23);
 140   if (c != CONST7)
 141     abort ();
 142
 143   c = ci (cv, 31);
 144   if (c != CONSTF)
 145     abort ();
 146
 147   c = mci (&cv, 5);
 148   if (c != CONST5)
 149     abort ();
 150
 151   c = mci (&cv, 12);
 152   if (c != CONSTC)
 153     abort ();
 154
 155   c = mci (&cv, 25);
 156   if (c != CONST9)
 157     abort ();
 158
 159   c = mci (&cv, 16);
 160   if (c != CONST0)
 161     abort ();
 162
 163   return 0;
 164 }