1  /* { dg-do assemble } */
       2  /* { dg-options "-O2 -save-temps" } */
       3  
       4  signed short s;
       5  signed char c;
       6  
       7  void
       8  foo (void)
       9  {
      10    s = c;
      11  }
      12  
      13  /* { dg-final { scan-assembler "(?n)cvt\\.s16\\.s8.*%r" } } */