test/MC/X86/index-operations.s

   1 // RUN: not llvm-mc -triple x86_64-unknown-unknown --show-encoding %s 2> %t.err | FileCheck --check-prefix=64 %s
   2 // RUN: FileCheck --check-prefix=ERR64 < %t.err %s
   3 // RUN: not llvm-mc -triple i386-unknown-unknown --show-encoding %s 2> %t.err | FileCheck --check-prefix=32 %s
   4 // RUN: FileCheck --check-prefix=ERR32 < %t.err %s
   5 // RUN: not llvm-mc -triple i386-unknown-unknown-code16 --show-encoding %s 2> %t.err | FileCheck --check-prefix=16 %s
   6 // RUN: FileCheck --check-prefix=ERR16 < %t.err %s
   7
   8 lodsb
   9 // 64: lodsb (%rsi), %al # encoding: [0xac]
  10 // 32: lodsb (%esi), %al # encoding: [0xac]
  11 // 16: lodsb (%si), %al # encoding: [0xac]
  12
  13 lodsb (%rsi), %al
  14 // 64: lodsb (%rsi), %al # encoding: [0xac]
  15 // ERR32: 64-bit
  16 // ERR16: 64-bit
  17
  18 lodsb (%esi), %al
  19 // 64: lodsb (%esi), %al # encoding: [0x67,0xac]
  20 // 32: lodsb (%esi), %al # encoding: [0xac]
  21 // 16: lodsb (%esi), %al # encoding: [0x67,0xac]
  22
  23 lodsb (%si), %al
  24 // ERR64: invalid 16-bit base register
  25 // 32: lodsb (%si), %al # encoding: [0x67,0xac]
  26 // 16: lodsb (%si), %al # encoding: [0xac]
  27
  28 lodsl %gs:(%esi)
  29 // 64: lodsl %gs:(%esi), %eax # encoding: [0x65,0x67,0xad]
  30 // 32: lodsl %gs:(%esi), %eax # encoding: [0x65,0xad]
  31 // 16: lodsl %gs:(%esi), %eax # encoding: [0x66,0x65,0x67,0xad]
  32
  33 lodsl (%edi), %eax
  34 // ERR64: invalid operand
  35 // ERR32: invalid operand
  36 // ERR16: invalid operand
  37
  38 lodsl 44(%edi), %eax
  39 // ERR64: invalid operand
  40 // ERR32: invalid operand
  41 // ERR16: invalid operand
  42
  43 lods (%esi), %ax
  44 // 64: lodsw (%esi), %ax # encoding: [0x66,0x67,0xad]
  45 // 32: lodsw (%esi), %ax # encoding: [0x66,0xad]
  46 // 16: lodsw (%esi), %ax # encoding: [0x67,0xad]
  47
  48 stosw
  49 // 64: stosw %ax, %es:(%rdi) # encoding: [0x66,0xab]
  50 // 32: stosw %ax, %es:(%edi) # encoding: [0x66,0xab]
  51 // 16: stosw %ax, %es:(%di) # encoding: [0xab]
  52
  53 stos %eax, (%edi)
  54 // 64: stosl %eax, %es:(%edi) # encoding: [0x67,0xab]
  55 // 32: stosl %eax, %es:(%edi) # encoding: [0xab]
  56 // 16: stosl %eax, %es:(%edi) # encoding: [0x66,0x67,0xab]
  57
  58 stosb %al, %fs:(%edi)
  59 // ERR64: invalid operand for instruction
  60 // ERR32: invalid operand for instruction
  61 // ERR16: invalid operand for instruction
  62
  63 stosb %al, %es:(%edi)
  64 // 64: stosb %al, %es:(%edi) # encoding: [0x67,0xaa]
  65 // 32: stosb %al, %es:(%edi) # encoding: [0xaa]
  66 // 16: stosb %al, %es:(%edi) # encoding: [0x67,0xaa]
  67
  68 stosq
  69 // 64: stosq %rax, %es:(%rdi) # encoding: [0x48,0xab]
  70 // ERR32: 64-bit
  71 // ERR16: 64-bit
  72
  73 stos %rax, (%edi)
  74 // 64:  stosq %rax, %es:(%edi) # encoding: [0x48,0x67,0xab]
  75 // ERR32: only available in 64-bit mode
  76 // ERR16: only available in 64-bit mode
  77
  78 scas %es:(%edi), %al
  79 // 64: scasb %es:(%edi), %al # encoding: [0x67,0xae]
  80 // 32: scasb %es:(%edi), %al # encoding: [0xae]
  81 // 16: scasb %es:(%edi), %al # encoding: [0x67,0xae]
  82
  83 scasq %es:(%edi)
  84 // 64: scasq %es:(%edi), %rax # encoding: [0x48,0x67,0xaf]
  85 // ERR32: 64-bit
  86 // ERR16: 64-bit
  87
  88 scasl %es:(%edi), %al
  89 // ERR64: invalid operand
  90 // ERR32: invalid operand
  91 // ERR16: invalid operand
  92
  93 scas %es:(%di), %ax
  94 // ERR64: invalid 16-bit base register
  95 // 16: scasw %es:(%di), %ax # encoding: [0xaf]
  96 // 32: scasw %es:(%di), %ax # encoding: [0x66,0x67,0xaf]
  97
  98 cmpsb
  99 // 64: cmpsb %es:(%rdi), (%rsi) # encoding: [0xa6]
 100 // 32: cmpsb %es:(%edi), (%esi) # encoding: [0xa6]
 101 // 16: cmpsb %es:(%di), (%si) # encoding: [0xa6]
 102
 103 cmpsw (%edi), (%esi)
 104 // 64: cmpsw %es:(%edi), (%esi) # encoding: [0x66,0x67,0xa7]
 105 // 32: cmpsw %es:(%edi), (%esi) # encoding: [0x66,0xa7]
 106 // 16: cmpsw %es:(%edi), (%esi) # encoding: [0x67,0xa7]
 107
 108 cmpsb (%di), (%esi)
 109 // ERR64: invalid 16-bit base register
 110 // ERR32: mismatching source and destination
 111 // ERR16: mismatching source and destination
 112
 113 cmpsl %es:(%edi), %ss:(%esi)
 114 // 64: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x36,0x67,0xa7]
 115 // 32: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x36,0xa7]
 116 // 16: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x66,0x36,0x67,0xa7]
 117
 118 cmpsq (%rdi), (%rsi)
 119 // 64: cmpsq %es:(%rdi), (%rsi) # encoding: [0x48,0xa7]
 120 // ERR32: 64-bit
 121 // ERR16: 64-bit
 122
 123 movsb (%esi), (%edi)
 124 // 64: movsb (%esi), %es:(%edi) # encoding: [0x67,0xa4]
 125 // 32: movsb (%esi), %es:(%edi) # encoding: [0xa4]
 126 // 16: movsb (%esi), %es:(%edi) # encoding: [0x67,0xa4]
 127
 128 movsl %gs:(%esi), (%edi)
 129 // 64: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0x67,0xa5]
 130 // 32: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0xa5]
 131 // 16: movsl %gs:(%esi), %es:(%edi) # encoding: [0x66,0x65,0x67,0xa5]
 132
 133 outsb
 134 // 64: outsb (%rsi), %dx # encoding: [0x6e]
 135 // 32: outsb (%esi), %dx # encoding: [0x6e]
 136 // 16: outsb (%si), %dx # encoding: [0x6e]
 137
 138 outsw %fs:(%esi), %dx
 139 // 64: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x67,0x6f]
 140 // 32: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x6f]
 141 // 16: outsw %fs:(%esi), %dx # encoding: [0x64,0x67,0x6f]
 142
 143 insw %dx, (%edi)
 144 // 64: insw %dx, %es:(%edi) # encoding: [0x66,0x67,0x6d]
 145 // 32: insw %dx, %es:(%edi) # encoding: [0x66,0x6d]
 146 // 16: insw %dx, %es:(%edi) # encoding: [0x67,0x6d]
 147
 148 insw %dx, (%bx)
 149 // ERR64: invalid 16-bit base register
 150 // 32: insw %dx, %es:(%di) # encoding: [0x66,0x67,0x6d]
 151 // 16: insw %dx, %es:(%di) # encoding: [0x6d]
 152
 153 insw %dx, (%ebx)
 154 // 64: insw %dx, %es:(%edi) # encoding: [0x66,0x67,0x6d]
 155 // 32: insw %dx, %es:(%edi) # encoding: [0x66,0x6d]
 156 // 16: insw %dx, %es:(%edi) # encoding: [0x67,0x6d]
 157
 158 insw %dx, (%rbx)
 159 // 64: insw %dx, %es:(%rdi) # encoding: [0x66,0x6d]
 160 // ERR32: 64-bit
 161 // ERR16: 64-bit
 162