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  }