1  /* PR target/91188 */
       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 val;
      11    unsigned char pad1;
      12    unsigned short pad2;
      13  };
      14  
      15  struct S
      16  test_and (struct S a)
      17  {
      18    a.val &= 0x42;
      19  
      20    return a;
      21  }
      22  
      23  /* { dg-final { scan-assembler "\[ \t\]andb" } } */
      24  
      25  struct S
      26  test_or (struct S a)
      27  {
      28    a.val |= 0x42;
      29  
      30    return a;
      31  }
      32  
      33  /* { dg-final { scan-assembler "\[ \t\]orb" } } */
      34  
      35  struct S
      36  test_xor (struct S a)
      37  {
      38    a.val ^= 0x42;
      39  
      40    return a;
      41  }
      42  
      43  /* { dg-final { scan-assembler "\[ \t\]xorb" } } */
      44  
      45  struct S
      46  test_sal (struct S a)
      47  {
      48    a.val <<= 3;
      49  
      50    return a;
      51  }
      52  
      53  /* { dg-final { scan-assembler "\[ \t\]salb" } } */
      54  
      55  struct S
      56  test_shr (struct S a)
      57  {
      58    a.val >>= 3;
      59  
      60    return a;
      61  }
      62  
      63  /* { dg-final { scan-assembler "\[ \t\]shrb" } } */
      64  
      65  struct S
      66  test_sar (struct S a)
      67  {
      68    a.val = (signed char) a.val >> 3;
      69  
      70    return a;
      71  }
      72  
      73  /* { dg-final { scan-assembler "\[ \t\]sarb" } } */
      74  
      75  struct S
      76  test_rol (struct S a)
      77  {
      78    a.val = (a.val << 3 | a.val >> 5) ;
      79  
      80    return a;
      81  }
      82  
      83  /* { dg-final { scan-assembler "\[ \t\]rolb" } } */
      84  
      85  struct S
      86  test_ror (struct S a)
      87  {
      88    a.val = (a.val >> 3 | a.val << 5) ;
      89  
      90    return a;
      91  }
      92  
      93  /* { dg-final { scan-assembler "\[ \t\]rorb" } } */
      94  
      95  struct S
      96  test_add (struct S a)
      97  {
      98    a.val += 42;
      99  
     100    return a;
     101  }
     102  
     103  /* { dg-final { scan-assembler "\[ \t\]addb" } } */
     104  
     105  struct S
     106  test_sub (struct S a)
     107  {
     108    a.val -= 42;
     109  
     110    return a;
     111  }
     112  
     113  /* { dg-final { scan-assembler "\[ \t\]subb" } } */