gcc/testsuite/gcc.target/powerpc/vec-strir-19.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 "-O2 -mdejagnu-cpu=power10" } */
   5
   6 #include <altivec.h>
   7
   8 extern void abort (void);
   9
  10 vector signed char
  11 doString(vector signed char *vp)
  12 {
  13   /* Tail recursion replaced with iteration with -O2.  */
  14   vector signed char result = vec_strir (*vp);
  15   if (vec_strir_p (*vp))
  16     return result;
  17   else
  18     return doString (vp + 1);
  19 }
  20
  21 int main (int argc, char *argv [])
  22 {
  23   vector signed char composed_string [4] = {
  24     { 0x1, 0x2, 0xf3, 0x4, 0x5, 0x6, 0x7, 0x8,
  25       0x9, 0xa, 0xb, 0xc, 0xd, 0xe2, 0xf, 0x11 },
  26     { 0x1, 0x2, 0xf3, 0x4, 0x5, 0x6, 0x7, 0x8,
  27       0x9, 0xa, 0xb, 0xc, 0xd, 0x0, 0xf, 0x11 },
  28     { 0x1, 0x2, 0xf3, 0x0, 0x5, 0x6, 0x7, 0x8,
  29       0x9, 0xa, 0xb, 0xc, 0xd, 0xe2, 0x0, 0x11 },
  30     { 0x1, 0x2, 0xf3, 0x4, 0x5, 0x6, 0x7, 0x8,
  31       0x9, 0xa, 0xb, 0xc, 0xd, 0xe2, 0x0, 0x11 }
  32   };
  33
  34   vector signed char expected0 =
  35     { 0x1, 0x2, 0xf3, 0x4, 0x5, 0x6, 0x7, 0x8,
  36       0x9, 0xa, 0xb, 0xc, 0xd, 0xe2, 0xf, 0x11 };
  37   vector signed char expected1 =
  38     { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  39       0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x11 };
  40   vector signed char expected2 =
  41     { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  42       0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11 };
  43   vector signed char expected3 =
  44     { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  45       0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11 };
  46
  47   if (!vec_all_eq (doString (&composed_string[0]), expected1))
  48     abort ();
  49   if (!vec_all_eq (doString (&composed_string[1]), expected1))
  50     abort ();
  51   if (!vec_all_eq (doString (&composed_string[2]), expected2))
  52     abort ();
  53   if (!vec_all_eq (doString (&composed_string[3]), expected3))
  54     abort ();
  55 }