1  /* PR target/108831 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -masm=att" } */
       4  /* { dg-additional-options "-mregparm=3" { target ia32 } } */
       5  /* { dg-final { scan-assembler-not "movzbl" } } */
       6  /* { dg-final { scan-assembler-not "movb" } } */
       7  
       8  struct S
       9  {
      10    unsigned char pad1;
      11    unsigned char val;
      12    unsigned short pad2;
      13  };
      14  
      15  unsigned char a;
      16  
      17  void
      18  test_and (struct S b)
      19  {
      20    a &= b.val;
      21  }
      22  
      23  /* { dg-final { scan-assembler "\[ \t\]andb" } } */
      24  
      25  void
      26  test_or (struct S b)
      27  {
      28    a |= b.val;
      29  }
      30  
      31  /* { dg-final { scan-assembler "\[ \t\]orb" } } */
      32  
      33  void
      34  test_xor (struct S b)
      35  {
      36    a ^= b.val;
      37  }
      38  
      39  /* { dg-final { scan-assembler "\[ \t\]xorb" } } */
      40  
      41  void
      42  test_add (struct S b)
      43  {
      44    a += b.val;
      45  }
      46  
      47  /* { dg-final { scan-assembler "\[ \t\]addb" } } */
      48  
      49  void
      50  test_sub (struct S b)
      51  {
      52    a -= b.val;
      53  }
      54  
      55  /* { dg-final { scan-assembler "\[ \t\]subb" } } */