1  /* { dg-do compile } */
       2  /* { dg-options "-mthumb -Os " }  */
       3  /* { dg-require-effective-target arm_thumb1_ok } */
       4  
       5  void save_regs () {
       6    __asm volatile ("" ::: "r8");
       7  }
       8  
       9  /* { dg-final { scan-assembler "\tmov\tr., r8" } } */