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         in      $13, %ax
  65         out     %al,%dx
  66         out     %ax,%dx
  67         out     %eax,%dx
  68         out     %al,(%dx)
  69         out     %ax,(%dx)
  70         out     %eax,(%dx)
  71         outb    %al,%dx
  72         outw    %ax,%dx
  73         outl    %eax,%dx
  74         outb    %dx
  75         outw    %dx
  76         outl    %dx
  77         outb    $255
  78         outw    $2
  79         outl    $4
  80         out     %ax, $13
  81 # These are used in AIX.
  82         inw     (%dx)
  83         outw    (%dx)
  84
  85         movsb
  86         cmpsw
  87         scasl
  88         xlatb
  89         movsl   %cs:(%esi),%es:(%edi)
  90         setae   (%ebx)
  91         setaeb  (%ebx)
  92         setae   %al
  93
  94 #these should give warnings
  95         orb     $1,%ax
  96         orb     $1,%eax
  97         orb     $1,%bx
  98         orb     $1,%ebx
  99         fldl    %st(1)
 100         fstl    %st(2)
 101         fstpl   %st(3)
 102         fcoml   %st(4)
 103         fcompl  %st(5)
 104         faddp   %st(1),%st
 105         fmulp   %st(2),%st
 106         fsubp   %st(3),%st
 107         fsubrp  %st(4),%st
 108         fdivp   %st(5),%st
 109         fdivrp  %st(6),%st
 110         fadd
 111         fsub
 112         fmul
 113         fdiv
 114         fsubr
 115         fdivr
 116 #these should all be legal
 117         btl     %edx, 0x123456
 118         btl     %edx, %eax
 119         orb     $1,%al
 120         orb     $1,%bl
 121         movl    17,%eax
 122         mov     17,%eax
 123         inw     %dx,%ax
 124         inl     %dx,%eax
 125         inw     (%dx),%ax
 126         inl     (%dx),%eax
 127         in      (%dx),%al
 128         in      (%dx),%ax
 129         in      (%dx),%eax
 130         movzbl  (%edi,%esi),%edx
 131         movzbl  28(%ebp),%eax
 132         movzbl  %al,%eax
 133         movzbl  %cl,%esi
 134         xlat    %es:(%ebx)
 135         xlat
 136         xlatb
 137 1:      fstp    %st(0)
 138         loop    1b
 139         divb    %cl
 140         divw    %cx
 141         divl    %ecx
 142         div     %cl
 143         div     %cx
 144         div     %ecx
 145         div     %cl,%al
 146         div     %cx,%ax
 147         div     %ecx,%eax
 148         mov     %si,%ds
 149         movl    %si,%ds         # warning here
 150         pushl   %ds
 151         push    %ds
 152         mov     0,%al
 153         mov     0x10000,%ax
 154         mov     %eax,%ebx
 155         pushf
 156         pushfl
 157         pushfw
 158         popf
 159         popfl
 160         popfw
 161         mov     %esi,(,%ebx,1)
 162         andb    $~0x80,foo
 163
 164 #check 16-bit code auto address prefix
 165 .code16gcc
 166         leal    -256(%ebp),%edx
 167         mov     %al,-129(%ebp)
 168         mov     %ah,-128(%ebp)
 169         leal    -1760(%ebp),%ebx
 170         movl    %eax,140(%esp)
 171
 172 .code32
 173         jmp     1b
 174         jmp     xxx
 175         jmp     *xxx
 176         jmp     xxx(,1)
 177         jmp     *%edi
 178         jmp     %edi
 179         jmp     *(%edi)
 180         jmp     (%edi)
 181         ljmp    *xxx(,%edi,4)
 182         ljmp    xxx(,%edi,4)
 183         ljmp    *xxx
 184         ljmp    xxx(,1)
 185         ljmp    $0x1234,$xxx
 186
 187         call    1b
 188         call    xxx
 189         call    *xxx
 190         call    xxx(,1)
 191         call    *%edi
 192         call    %edi
 193         call    *(%edi)
 194         call    (%edi)
 195         lcall   *xxx(,%edi,4)
 196         lcall   xxx(,%edi,4)
 197         lcall   *xxx
 198         lcall   xxx(,1)
 199         lcall   $0x1234,$xxx
 200
 201         # Force a good alignment.
 202         .p2align        4,0