1  /* PR target/59880 */
       2  /* { dg-do compile { target { ! ia32 } } } */
       3  /* { dg-options "-O2 -mtune=silvermont" } */
       4  
       5  register unsigned int r13 __asm ("r13");
       6  unsigned long long
       7  foo (void)
       8  {
       9    return r13;
      10  }
      11  
      12  /* Ensure we don't emit a useless zero-extension after another
      13     zero-extension.  */
      14  /* { dg-final { scan-assembler-not "%eax, %eax" } } */