gcc/testsuite/gcc.target/powerpc/swaps-p8-17.c

/* { dg-do compile { target { le } } } */
/* { dg-require-effective-target powerpc_p8vector_ok } */
/* { dg-options "-mdejagnu-cpu=power8 -O1" } */
/* { dg-final { scan-assembler "lxvd2x" } } */
/* { dg-final { scan-assembler "xxpermdi" } } */

/* Verify that we don't try to do permute removal in the presence of
   vec_ste.  This used to ICE.  */
#include <altivec.h>

void f (void *p)
{
  vector unsigned int u32 = vec_vsx_ld (1, (const unsigned int *)p);
  vec_ste (u32, 1, (unsigned int *)p);
}