/* { dg-do compile } */
/* { dg-options "-O2 -mdejagnu-cpu=power10" } */

#include <altivec.h>

vector signed short
doString(vector signed short *vp)
{
  /* Though two built-in functions are called, the implementation
     should use a single instruction to implement both and should
     convert tail recursion to iteration with two copies of the "loop
     body" when compiled with -O2 or -O3.  */
  vector signed short result = vec_stril (*vp);
  if (vec_stril_p (*vp))
    return result;
  else
    return doString (vp + 1);
}

/* Enforce that exactly two dot-form instructions which are properly biased
   for the target's endianness implement this built-in.  */

/* { dg-final { scan-assembler-times {\mvstrihl\.} 2 { target { be } } } } */
/* { dg-final { scan-assembler-times {\mvstrihl\M[^.]} 0 { target { be } } } } */
/* { dg-final { scan-assembler-times {\mvstrihr} 0 { target { be } } } } */
/* { dg-final { scan-assembler-times {\mvstrihr\.} 2 { target { le } } } } */
/* { dg-final { scan-assembler-times {\mvstrihr\M[^.]} 0 { target { le } } } } */
/* { dg-final { scan-assembler-times {\mvstrihl} 0 { target { le } } } } */