gas/testsuite/gas/i386/general.s

   1 .psize 0
   2 .text
   3 # test various segment reg insns
   4         push    %ds
   5         pushl   %ds
   6         pop     %ds
   7         popl    %ds
   8         mov     %ds,%eax
   9         movl    %ds,%eax
  10         movl    %ds,%ax
  11         mov     %eax,%ds
  12         movl    %ax,%ds
  13         movl    %eax,%ds
  14
  15         pushw   %ds
  16         popw    %ds
  17         mov     %ds,%ax
  18         movw    %ds,%ax
  19         movw    %ds,%eax
  20         mov     %ax,%ds
  21         movw    %ax,%ds
  22         movw    %eax,%ds
  23
  24 # test various pushes
  25         pushl   $10
  26         pushw   $10
  27         push    $10
  28         pushl   $1000
  29         pushw   $1000
  30         push    $1000
  31         pushl   1f
  32         pushw   1f
  33         push    1f
  34         push    (1f-.)(%ebx)
  35         push    1f-.
  36 # these, and others like them should have no operand size prefix
  37 1:      lldt    %cx
  38         lmsw    %ax
  39
  40 # Just to make sure these don't become illegal due to over-enthusiastic
  41 # register checking
  42         movsbw  %al,%di
  43         movsbl  %al,%ecx
  44         movswl  %ax,%ecx
  45         movzbw  %al,%di
  46         movzbl  %al,%ecx
  47         movzwl  %ax,%ecx
  48
  49         in      %dx,%al
  50         in      %dx,%ax
  51         in      %dx,%eax
  52         in      (%dx),%al
  53         in      (%dx),%ax
  54         in      (%dx),%eax
  55         inb     %dx,%al
  56         inw     %dx,%ax
  57         inl     %dx,%eax
  58         inb     %dx
  59         inw     %dx
  60         inl     %dx
  61         inb     $255
  62         inw     $2
  63         inl     $4
  64         outl    %eax,%dx
  65         out     %al, $42
  66         in      $13, %ax
  67 # These are used in AIX.
  68         inw     (%dx)
  69         outw    (%dx)
  70
  71         movsb
  72         cmpsw
  73         scasl
  74         xlatb
  75         movsl   %cs:(%esi),%es:(%edi)
  76         setae   (%ebx)
  77         setaeb  (%ebx)
  78         setae   %al
  79
  80 #these should give warnings
  81         orb     $1,%ax
  82         orb     $1,%eax
  83         orb     $1,%bx
  84         orb     $1,%ebx
  85         fldl    %st(1)
  86         fstl    %st(2)
  87         fstpl   %st(3)
  88         fcoml   %st(4)
  89         fcompl  %st(5)
  90         faddp   %st(1),%st
  91         fmulp   %st(2),%st
  92         fsubp   %st(3),%st
  93         fsubrp  %st(4),%st
  94         fdivp   %st(5),%st
  95         fdivrp  %st(6),%st
  96         fadd
  97         fsub
  98         fmul
  99         fdiv
 100         fsubr
 101         fdivr
 102 #these should all be legal
 103         btl     %edx, 0x123456
 104         btl     %edx, %eax
 105         orb     $1,%al
 106         orb     $1,%bl
 107         movl    17,%eax
 108         mov     17,%eax
 109         inw     %dx,%ax
 110         inl     %dx,%eax
 111         inw     (%dx),%ax
 112         inl     (%dx),%eax
 113         in      (%dx),%al
 114         in      (%dx),%ax
 115         in      (%dx),%eax
 116         movzbl  (%edi,%esi),%edx
 117         movzbl  28(%ebp),%eax
 118         movzbl  %al,%eax
 119         movzbl  %cl,%esi
 120         xlat    %es:(%ebx)
 121         xlat
 122         xlatb
 123 1:      fstp    %st(0)
 124         loop    1b
 125         divb    %cl
 126         divw    %cx
 127         divl    %ecx
 128         div     %cl
 129         div     %cx
 130         div     %ecx
 131         div     %cl,%al
 132         div     %cx,%ax
 133         div     %ecx,%eax
 134         mov     %si,%ds
 135         movl    %si,%ds         # warning here
 136         pushl   %ds
 137         push    %ds
 138         mov     0,%al
 139         mov     0x10000,%ax
 140         mov     %eax,%ebx
 141         pushf
 142         pushfl
 143         pushfw
 144         popf
 145         popfl
 146         popfw
 147         mov     %esi,(,%ebx,1)
 148         andb    $~0x80,foo
 149
 150         # Force a good alignment.
 151         .word   0
 152         .byte   0