gcc/testsuite/gcc.target/powerpc/vec-strir-16.c

   1 /* { dg-do run { target { power10_hw } } } */
   2 /* { dg-do link { target { ! power10_hw } } } */
   3 /* { dg-require-effective-target power10_ok } */
   4 /* { dg-options "-O1 -mdejagnu-cpu=power10" } */
   5 /* See vec-strir-17.c for the same test with -O2 optimization.  */
   6
   7 #include <altivec.h>
   8
   9 extern void abort (void);
  10
  11 vector unsigned char
  12 doString(vector unsigned char *vp)
  13 {
  14   /* Though two built-in functions are called, the implementation
  15      should use a single instruction to implement both with -O1.  */
  16   vector unsigned char result = vec_strir (*vp);
  17   if (vec_strir_p (*vp))
  18     return result;
  19   else
  20     return doString (vp + 1);
  21 }
  22
  23 int main (int argc, char *argv [])
  24 {
  25   vector unsigned char composed_string [4] = {
  26     { 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8,
  27       0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x11 },
  28     { 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8,
  29       0x0, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x11 },
  30     { 0x1, 0x2, 0x0, 0x4, 0x5, 0x6, 0x7, 0x8,
  31       0x9, 0xa, 0xb, 0xc, 0xd, 0x0, 0xf, 0x11 },
  32     { 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8,
  33       0x9, 0xa, 0xb, 0xc, 0xd, 0x0, 0xf, 0x11 }
  34   };
  35
  36   vector unsigned char expected0 =
  37     { 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8,
  38       0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x11 };
  39   vector unsigned char expected1 =
  40     { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  41       0x0, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x11 };
  42   vector unsigned char expected2 =
  43     { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  44       0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x11 };
  45   vector unsigned char expected3 =
  46     { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  47       0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x11 };
  48
  49   if (!vec_all_eq (doString (&composed_string[0]), expected1))
  50     abort ();
  51   if (!vec_all_eq (doString (&composed_string[1]), expected1))
  52     abort ();
  53   if (!vec_all_eq (doString (&composed_string[2]), expected2))
  54     abort ();
  55   if (!vec_all_eq (doString (&composed_string[3]), expected3))
  56     abort ();
  57 }