gcc/testsuite/gcc.target/powerpc/vsu/vec-cmpne-1.c

/* { dg-do compile { target { powerpc*-*-* } } } */
/* { dg-require-effective-target powerpc_p9vector_ok } */
/* { dg-options "-mdejagnu-cpu=power9 -O1" } */

#include <altivec.h>

vector bool char
fetch_data (vector signed char *arg1_p, vector signed char *arg2_p)
{
  vector signed char arg_1 = *arg1_p;
  vector signed char arg_2 = *arg2_p;

  return vec_cmpne (arg_1, arg_2);
}

/* { dg-final { scan-assembler "vcmpneb" } } */