1  /* { dg-do compile } */
       2  /* { dg-options "-meb isa_rev>=2 -mgp64" } */
       3  /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
       4  /* { dg-final { scan-assembler-times "\tins\t|\tdins\t" 1 } } */
       5  /* { dg-final { scan-assembler-times "\tsll\t|\tins\t" 1 } } */
       6  
       7  /* When inserting something into the top bit of a 32-bit structure,
       8     we must make sure that the register remains properly sign-extended.
       9     There are two ways of doing this:
      10   
      11       - use purely 32-bit bit manipulations (a single INS, matched twice here).
      12       - use a 64-bit bit manipulation (DINS), and sign-extend the result.  We
      13       check for this extension using SLL.  */
      14  
      15  struct s
      16  {
      17    int a:3;
      18    int b:29;
      19  };
      20  
      21  NOMIPS16 void
      22  f (int a)
      23  {
      24    struct s s;
      25    asm volatile ("" : "=r"(s));
      26    s.a = a;
      27    asm volatile ("" :: "r"(s));
      28  }