gas/testsuite/gas/i386/general.s

   1 .psize 0
   2 .text
   3 #test jumps and calls
   4 1:      jmp     1b
   5         jmp     xxx
   6         jmp     *xxx
   7         jmp     xxx(,1)
   8         jmp     *%edi
   9         jmp     %edi
  10         jmp     *(%edi)
  11         jmp     (%edi)
  12         ljmp    *xxx(,%edi,4)
  13         ljmp    xxx(,%edi,4)
  14         ljmp    *xxx
  15         ljmp    xxx(,1)
  16         ljmp    $0x1234,$xxx
  17
  18         call    1b
  19         call    xxx
  20         call    *xxx
  21         call    xxx(,1)
  22         call    *%edi
  23         call    %edi
  24         call    *(%edi)
  25         call    (%edi)
  26         lcall   *xxx(,%edi,4)
  27         lcall   xxx(,%edi,4)
  28         lcall   *xxx
  29         lcall   xxx(,1)
  30         lcall   $0x1234,$xxx
  31
  32 # test various segment reg insns
  33         push    %ds
  34         pushl   %ds
  35         pop     %ds
  36         popl    %ds
  37         mov     %ds,%eax
  38         movl    %ds,%eax
  39         movl    %ds,%ax
  40         mov     %eax,%ds
  41         movl    %ax,%ds
  42         movl    %eax,%ds
  43
  44         pushw   %ds
  45         popw    %ds
  46         mov     %ds,%ax
  47         movw    %ds,%ax
  48         movw    %ds,%eax
  49         mov     %ax,%ds
  50         movw    %ax,%ds
  51         movw    %eax,%ds
  52
  53 # test various pushes
  54         pushl   $10
  55         pushw   $10
  56         push    $10
  57         pushl   $1000
  58         pushw   $1000
  59         push    $1000
  60         pushl   1f
  61         pushw   1f
  62         push    1f
  63         push    (1f-.)(%ebx)
  64         push    1f-.
  65 # these, and others like them should have no operand size prefix
  66 1:      lldt    %cx
  67         lmsw    %ax
  68
  69 # Just to make sure these don't become illegal due to over-enthusiastic
  70 # register checking
  71         movsbw  %al,%di
  72         movsbl  %al,%ecx
  73         movswl  %ax,%ecx
  74         movzbw  %al,%di
  75         movzbl  %al,%ecx
  76         movzwl  %ax,%ecx
  77
  78         in      %dx,%al
  79         in      %dx,%ax
  80         in      %dx,%eax
  81         in      (%dx),%al
  82         in      (%dx),%ax
  83         in      (%dx),%eax
  84         inb     %dx,%al
  85         inw     %dx,%ax
  86         inl     %dx,%eax
  87         inb     %dx
  88         inw     %dx
  89         inl     %dx
  90         inb     $255
  91         inw     $2
  92         inl     $4
  93         in      $13, %ax
  94         out     %al,%dx
  95         out     %ax,%dx
  96         out     %eax,%dx
  97         out     %al,(%dx)
  98         out     %ax,(%dx)
  99         out     %eax,(%dx)
 100         outb    %al,%dx
 101         outw    %ax,%dx
 102         outl    %eax,%dx
 103         outb    %dx
 104         outw    %dx
 105         outl    %dx
 106         outb    $255
 107         outw    $2
 108         outl    $4
 109         out     %ax, $13
 110 # These are used in AIX.
 111         inw     (%dx)
 112         outw    (%dx)
 113
 114         movsb
 115         cmpsw
 116         scasl
 117         xlatb
 118         movsl   %cs:(%esi),%es:(%edi)
 119         setae   (%ebx)
 120         setaeb  (%ebx)
 121         setae   %al
 122
 123 #these should give warnings
 124         orb     $1,%ax
 125         orb     $1,%eax
 126         orb     $1,%bx
 127         orb     $1,%ebx
 128         fldl    %st(1)
 129         fstl    %st(2)
 130         fstpl   %st(3)
 131         fcoml   %st(4)
 132         fcompl  %st(5)
 133         faddp   %st(1),%st
 134         fmulp   %st(2),%st
 135         fsub    %st(3),%st
 136         fsubr   %st(4),%st
 137         fdiv    %st(5),%st
 138         fdivr   %st(6),%st
 139         fadd
 140         fsub
 141         fmul
 142         fdiv
 143         fsubr
 144         fdivr
 145 #these should all be legal
 146         btl     %edx, 0x123456
 147         btl     %edx, %eax
 148         orb     $1,%al
 149         orb     $1,%bl
 150         movl    17,%eax
 151         mov     17,%eax
 152         inw     %dx,%ax
 153         inl     %dx,%eax
 154         inw     (%dx),%ax
 155         inl     (%dx),%eax
 156         in      (%dx),%al
 157         in      (%dx),%ax
 158         in      (%dx),%eax
 159         movzbl  (%edi,%esi),%edx
 160         movzbl  28(%ebp),%eax
 161         movzbl  %al,%eax
 162         movzbl  %cl,%esi
 163         xlat    %es:(%ebx)
 164         xlat
 165         xlatb
 166 1:      fstp    %st(0)
 167         loop    1b
 168         divb    %cl
 169         divw    %cx
 170         divl    %ecx
 171         div     %cl
 172         div     %cx
 173         div     %ecx
 174         div     %cl,%al
 175         div     %cx,%ax
 176         div     %ecx,%eax
 177         mov     %si,%ds
 178         movl    %si,%ds         # warning here
 179         pushl   %ds
 180         push    %ds
 181         mov     0,%al
 182         mov     0x10000,%ax
 183         mov     %eax,%ebx
 184         pushf
 185         pushfl
 186         pushfw
 187         popf
 188         popfl
 189         popfw
 190         mov     %esi,(,%ebx,1)
 191         andb    $~0x80,foo
 192
 193         and     $0xfffe,%ax
 194         and     $0xff00,%ax
 195         and     $0xfffe,%eax
 196         and     $0xff00,%eax
 197         and     $0xfffffffe,%eax
 198
 199 .code16
 200         and     $0xfffe,%ax
 201         and     $0xff00,%ax
 202         and     $0xfffe,%eax
 203         and     $0xff00,%eax
 204         and     $0xfffffffe,%eax
 205
 206 #check 16-bit code auto address prefix
 207 .code16gcc
 208         leal    -256(%ebp),%edx
 209         mov     %al,-129(%ebp)
 210         mov     %ah,-128(%ebp)
 211         leal    -1760(%ebp),%ebx
 212         movl    %eax,140(%esp)
 213
 214 .code32
 215 # Make sure that we won't remove movzb by accident.
 216         movzb   %al,%di
 217         movzb   %al,%ecx
 218
 219 .code16gcc
 220 # Use 16-bit layout by default for fldenv.
 221         fldenv  (%eax)
 222         fldenvs (%eax)
 223         fldenvl (%eax)
 224
 225         # Force a good alignment.
 226         .p2align        4,0