gcc/testsuite/gcc.target/powerpc/vec-strir-20.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-21.c for the same test with -O2 optimization.  */
   6
   7 #include <altivec.h>
   8
   9 extern void abort (void);
  10
  11 vector unsigned short
  12 doString(vector unsigned short *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 short 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, short *argv [])
  24 {
  25   vector unsigned short composed_string [4] = {
  26     { 0x1, 0x3, 0x5, 0x7, 0x9, 0xb, 0xd, 0xf },
  27     { 0x1, 0x0, 0x5, 0x7, 0x9, 0xb, 0xd, 0xf },
  28     { 0x1, 0x0, 0x5, 0x7, 0x9, 0xb, 0xd, 0x0 },
  29     { 0x1, 0x3, 0x5, 0x7, 0x9, 0x0, 0xd, 0xe }
  30   };
  31
  32   vector unsigned short expected0 =
  33     { 0x1, 0x3, 0x5, 0x7, 0x9, 0xb, 0xd, 0xf };
  34   vector unsigned short expected1 =
  35     { 0x0, 0x0, 0x5, 0x7, 0x9, 0xb, 0xd, 0xf };
  36   vector unsigned short expected2 =
  37     { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
  38   vector unsigned short expected3 =
  39     { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd, 0xe };
  40
  41   if (!vec_all_eq (doString (&composed_string[0]), expected1))
  42     abort ();
  43   if (!vec_all_eq (doString (&composed_string[1]), expected1))
  44     abort ();
  45   if (!vec_all_eq (doString (&composed_string[2]), expected2))
  46     abort ();
  47   if (!vec_all_eq (doString (&composed_string[3]), expected3))
  48     abort ();
  49 }