test/MC/X86/x86-64.s

   1 // RUN: llvm-mc -triple x86_64-unknown-unknown -show-encoding %s > %t 2> %t.err
   2 // RUN: FileCheck < %t %s
   3 // RUN: FileCheck --check-prefix=CHECK-STDERR < %t.err %s
   4
   5
   6 // Suffix inference:
   7
   8 // CHECK: addl $0, %eax
   9         add $0, %eax
  10 // CHECK: addb $255, %al
  11         add $0xFF, %al
  12 // CHECK: orq %rax, %rdx
  13         or %rax, %rdx
  14 // CHECK: shlq $3, %rax
  15         shl $3, %rax
  16
  17
  18 // CHECK: subb %al, %al
  19         subb %al, %al
  20
  21 // CHECK: addl $24, %eax
  22         addl $24, %eax
  23
  24 // CHECK: movl %eax, 10(%ebp)
  25         movl %eax, 10(%ebp)
  26 // CHECK: movl %eax, 10(%ebp,%ebx)
  27         movl %eax, 10(%ebp, %ebx)
  28 // CHECK: movl %eax, 10(%ebp,%ebx,4)
  29         movl %eax, 10(%ebp, %ebx, 4)
  30 // CHECK: movl %eax, 10(,%ebx,4)
  31         movl %eax, 10(, %ebx, 4)
  32
  33 // CHECK: movl 0, %eax
  34         movl 0, %eax
  35 // CHECK: movl $0, %eax
  36         movl $0, %eax
  37
  38 // CHECK: ret
  39         ret
  40
  41 // FIXME: Check that this matches SUB32ri8
  42 // CHECK: subl $1, %eax
  43         subl $1, %eax
  44
  45 // FIXME: Check that this matches SUB32ri8
  46 // CHECK: subl $-1, %eax
  47         subl $-1, %eax
  48
  49 // FIXME: Check that this matches SUB32ri
  50 // CHECK: subl $256, %eax
  51         subl $256, %eax
  52
  53 // FIXME: Check that this matches XOR64ri8
  54 // CHECK: xorq $1, %rax
  55         xorq $1, %rax
  56
  57 // FIXME: Check that this matches XOR64ri32
  58 // CHECK: xorq $256, %rax
  59         xorq $256, %rax
  60
  61 // FIXME: Check that this matches SUB8rr
  62 // CHECK: subb %al, %bl
  63         subb %al, %bl
  64
  65 // FIXME: Check that this matches SUB16rr
  66 // CHECK: subw %ax, %bx
  67         subw %ax, %bx
  68
  69 // FIXME: Check that this matches SUB32rr
  70 // CHECK: subl %eax, %ebx
  71         subl %eax, %ebx
  72
  73 // FIXME: Check that this matches the correct instruction.
  74 // CHECK: callq *%rax
  75         call *%rax
  76
  77 // FIXME: Check that this matches the correct instruction.
  78 // CHECK: shldl %cl, %eax, %ebx
  79         shldl %cl, %eax, %ebx
  80
  81 // CHECK: shll $2, %eax
  82         shll $2, %eax
  83
  84 // CHECK: shll $2, %eax
  85         sall $2, %eax
  86
  87 // CHECK: rep
  88 // CHECK: insb
  89         rep;insb
  90
  91 // CHECK: rep
  92 // CHECK: outsb
  93         rep;outsb
  94
  95 // CHECK: rep
  96 // CHECK: movsb
  97         rep;movsb
  98
  99
 100 // rdar://8470918
 101 smovb // CHECK: movsb
 102 smovw // CHECK: movsw
 103 smovl // CHECK: movsl
 104 smovq // CHECK: movsq
 105
 106 // rdar://8456361
 107 // CHECK: rep
 108 // CHECK: movsl
 109         rep movsd
 110
 111 // CHECK: rep
 112 // CHECK: lodsb
 113         rep;lodsb
 114
 115 // CHECK: rep
 116 // CHECK: stosb
 117         rep;stosb
 118
 119 // NOTE: repz and repe have the same opcode as rep
 120 // CHECK: rep
 121 // CHECK: cmpsb
 122         repz;cmpsb
 123
 124 // NOTE: repnz has the same opcode as repne
 125 // CHECK: repne
 126 // CHECK: cmpsb
 127         repnz;cmpsb
 128
 129 // NOTE: repe and repz have the same opcode as rep
 130 // CHECK: rep
 131 // CHECK: scasb
 132         repe;scasb
 133
 134 // CHECK: repne
 135 // CHECK: scasb
 136         repne;scasb
 137
 138 // CHECK: lock
 139 // CHECK: cmpxchgb %al, (%ebx)
 140         lock;cmpxchgb %al, 0(%ebx)
 141
 142 // CHECK: cs
 143 // CHECK: movb (%eax), %al
 144         cs;movb 0(%eax), %al
 145
 146 // CHECK: ss
 147 // CHECK: movb (%eax), %al
 148         ss;movb 0(%eax), %al
 149
 150 // CHECK: ds
 151 // CHECK: movb (%eax), %al
 152         ds;movb 0(%eax), %al
 153
 154 // CHECK: es
 155 // CHECK: movb (%eax), %al
 156         es;movb 0(%eax), %al
 157
 158 // CHECK: fs
 159 // CHECK: movb (%eax), %al
 160         fs;movb 0(%eax), %al
 161
 162 // CHECK: gs
 163 // CHECK: movb (%eax), %al
 164         gs;movb 0(%eax), %al
 165
 166 // CHECK: fadd %st(0)
 167 // CHECK: fadd %st(1)
 168 // CHECK: fadd %st(7)
 169
 170 fadd %st(0)
 171 fadd %st(1)
 172 fadd %st(7)
 173
 174 // CHECK: leal 0, %eax
 175         leal 0, %eax
 176
 177 // rdar://7986634 - Insensitivity on opcodes.
 178 // CHECK: int3
 179 INT3
 180
 181
 182 // Allow scale factor without index register.
 183 // CHECK: movaps        %xmm3, (%esi)
 184 // CHECK-STDERR: warning: scale factor without index register is ignored
 185 movaps %xmm3, (%esi, 2)
 186
 187 // CHECK: imull $12, %eax, %eax
 188 imul $12, %eax
 189
 190 // CHECK: imull %ecx, %eax
 191 imull %ecx, %eax
 192
 193
 194 // rdar://8208481
 195 // CHECK: outb  %al, $161
 196 outb    %al, $161
 197 // CHECK: outw  %ax, $128
 198 outw    %ax, $128
 199 // CHECK: inb   $161, %al
 200 inb     $161, %al
 201
 202 // rdar://8017621
 203 // CHECK: pushq $1
 204 push $1
 205
 206 // rdar://8017530
 207 // CHECK: sldtw 4
 208 sldt    4
 209
 210 // rdar://8208499
 211 // CHECK: cmovnew       %bx, %ax
 212 cmovnz %bx, %ax
 213 // CHECK: cmovneq       %rbx, %rax
 214 cmovnzq %rbx, %rax
 215
 216
 217 // rdar://8407928
 218 // CHECK: inb   $127, %al
 219 // CHECK: inw   %dx, %ax
 220 // CHECK: outb  %al, $127
 221 // CHECK: outw  %ax, %dx
 222 // CHECK: inl   %dx, %eax
 223 inb     $0x7f
 224 inw     %dx
 225 outb    $0x7f
 226 outw    %dx
 227 inl     %dx
 228
 229
 230 // PR8114
 231 // CHECK: outb  %al, %dx
 232 // CHECK: outw  %ax, %dx
 233 // CHECK: outl  %eax, %dx
 234
 235 out %al, (%dx)
 236 out %ax, (%dx)
 237 outl %eax, (%dx)
 238
 239
 240 // rdar://8431422
 241
 242 // CHECK: fxch  %st(1)
 243 // CHECK: fucom %st(1)
 244 // CHECK: fucomp        %st(1)
 245 // CHECK: faddp %st(1)
 246 // CHECK: faddp %st(0)
 247 // CHECK: fsubp %st(1)
 248 // CHECK: fsubrp        %st(1)
 249 // CHECK: fmulp %st(1)
 250 // CHECK: fdivp %st(1)
 251 // CHECK: fdivrp        %st(1)
 252
 253 fxch
 254 fucom
 255 fucomp
 256 faddp
 257 faddp %st
 258 fsubp
 259 fsubrp
 260 fmulp
 261 fdivp
 262 fdivrp
 263
 264 // CHECK: fcomi %st(1)
 265 // CHECK: fcomi %st(2)
 266 // CHECK: fucomi        %st(1)
 267 // CHECK: fucomi        %st(2)
 268 // CHECK: fucomi        %st(2)
 269
 270 fcomi
 271 fcomi   %st(2)
 272 fucomi
 273 fucomi  %st(2)
 274 fucomi  %st(2), %st
 275
 276 // CHECK: fnstsw %ax
 277 // CHECK: fnstsw %ax
 278 // CHECK: fnstsw %ax
 279 // CHECK: fnstsw %ax
 280
 281 fnstsw
 282 fnstsw %ax
 283 fnstsw %eax
 284 fnstsw %al
 285
 286 // rdar://8431880
 287 // CHECK: rclb  %bl
 288 // CHECK: rcll  3735928559(%ebx,%ecx,8)
 289 // CHECK: rcrl  %ecx
 290 // CHECK: rcrl  305419896
 291 rcl     %bl
 292 rcll    0xdeadbeef(%ebx,%ecx,8)
 293 rcr     %ecx
 294 rcrl    0x12345678
 295
 296 rclb    %bl       // CHECK: rclb %bl     # encoding: [0xd0,0xd3]
 297 rclb    $1, %bl   // CHECK: rclb %bl     # encoding: [0xd0,0xd3]
 298 rclb    $2, %bl   // CHECK: rclb $2, %bl # encoding: [0xc0,0xd3,0x02]
 299
 300 // rdar://8418316
 301 // CHECK: shldw $1, %bx, %bx
 302 // CHECK: shldw $1, %bx, %bx
 303 // CHECK: shrdw $1, %bx, %bx
 304 // CHECK: shrdw $1, %bx, %bx
 305
 306 shld    %bx,%bx
 307 shld    $1, %bx,%bx
 308 shrd    %bx,%bx
 309 shrd    $1, %bx,%bx
 310
 311 // CHECK: sldtl %ecx
 312 // CHECK: encoding: [0x0f,0x00,0xc1]
 313 // CHECK: sldtw %cx
 314 // CHECK: encoding: [0x66,0x0f,0x00,0xc1]
 315
 316 sldt    %ecx
 317 sldt    %cx
 318
 319 // CHECK: lcalll        *3135175374
 320 // CHECK: ljmpl *3135175374
 321 lcall   *0xbadeface
 322 ljmp    *0xbadeface
 323
 324
 325 // rdar://8444631
 326 // CHECK: enter $31438, $0
 327 // CHECK: encoding: [0xc8,0xce,0x7a,0x00]
 328 // CHECK: enter $31438, $1
 329 // CHECK: encoding: [0xc8,0xce,0x7a,0x01]
 330 // CHECK: enter $31438, $127
 331 // CHECK: encoding: [0xc8,0xce,0x7a,0x7f]
 332 enter $0x7ace,$0
 333 enter $0x7ace,$1
 334 enter $0x7ace,$0x7f
 335
 336
 337 // rdar://8456364
 338 // CHECK: movw  %cs, %ax
 339 mov %CS, %ax
 340
 341 // rdar://8456391
 342 fcmovb %st(1), %st(0)   // CHECK: fcmovb        %st(1), %st(0)
 343 fcmove %st(1), %st(0)   // CHECK: fcmove        %st(1), %st(0)
 344 fcmovbe %st(1), %st(0)  // CHECK: fcmovbe       %st(1), %st(0)
 345 fcmovu %st(1), %st(0)   // CHECK: fcmovu         %st(1), %st(0)
 346
 347 fcmovnb %st(1), %st(0)  // CHECK: fcmovnb       %st(1), %st(0)
 348 fcmovne %st(1), %st(0)  // CHECK: fcmovne       %st(1), %st(0)
 349 fcmovnbe %st(1), %st(0) // CHECK: fcmovnbe      %st(1), %st(0)
 350 fcmovnu %st(1), %st(0)  // CHECK: fcmovnu       %st(1), %st(0)
 351
 352 fcmovnae %st(1), %st(0) // CHECK: fcmovb        %st(1), %st(0)
 353 fcmovna %st(1), %st(0)  // CHECK: fcmovbe       %st(1), %st(0)
 354
 355 fcmovae %st(1), %st(0)  // CHECK: fcmovnb       %st(1), %st(0)
 356 fcmova %st(1), %st(0)   // CHECK: fcmovnbe      %st(1), %st(0)
 357
 358 // rdar://8456417
 359 .byte 88 + 1 & 15  // CHECK: .byte      9
 360
 361 // rdar://8456412
 362 mov %rdx, %cr0
 363 // CHECK: movq  %rdx, %cr0
 364 // CHECK: encoding: [0x0f,0x22,0xc2]
 365 mov %rdx, %cr4
 366 // CHECK: movq  %rdx, %cr4
 367 // CHECK: encoding: [0x0f,0x22,0xe2]
 368 mov %rdx, %cr8
 369 // CHECK: movq  %rdx, %cr8
 370 // CHECK: encoding: [0x44,0x0f,0x22,0xc2]
 371 mov %rdx, %cr15
 372 // CHECK: movq  %rdx, %cr15
 373 // CHECK: encoding: [0x44,0x0f,0x22,0xfa]
 374
 375 // rdar://8456371 - Handle commutable instructions written backward.
 376 // CHECK:       faddp   %st(1)
 377 // CHECK:       fmulp   %st(2)
 378 faddp %st, %st(1)
 379 fmulp %st, %st(2)
 380
 381 // rdar://8468087 - Encode these accurately, they are not synonyms.
 382 // CHECK: fmul  %st(0), %st(1)
 383 // CHECK: encoding: [0xdc,0xc9]
 384 // CHECK: fmul  %st(1)
 385 // CHECK: encoding: [0xd8,0xc9]
 386 fmul %st, %st(1)
 387 fmul %st(1), %st
 388
 389 // CHECK: fadd  %st(0), %st(1)
 390 // CHECK: encoding: [0xdc,0xc1]
 391 // CHECK: fadd  %st(1)
 392 // CHECK: encoding: [0xd8,0xc1]
 393 fadd %st, %st(1)
 394 fadd %st(1), %st
 395
 396
 397 // rdar://8416805
 398 // CHECK: xorb  %al, %al
 399 // CHECK: encoding: [0x30,0xc0]
 400 // CHECK: xorw  %di, %di
 401 // CHECK: encoding: [0x66,0x31,0xff]
 402 // CHECK: xorl  %esi, %esi
 403 // CHECK: encoding: [0x31,0xf6]
 404 // CHECK: xorq  %rsi, %rsi
 405 // CHECK: encoding: [0x48,0x31,0xf6]
 406 clrb    %al
 407 clr    %di
 408 clr    %esi
 409 clr    %rsi
 410
 411 // rdar://8456378
 412 cltq  // CHECK: cltq
 413 cdqe  // CHECK: cltq
 414 cwde  // CHECK: cwtl
 415 cwtl  // CHECK: cwtl
 416
 417 // rdar://8416805
 418 cbw   // CHECK: cbtw
 419 cwd   // CHECK: cwtd
 420 cdq   // CHECK: cltd
 421
 422 // rdar://8456378 and PR7557 - fstsw
 423 fstsw %ax
 424 // CHECK: wait
 425 // CHECK: fnstsw %ax
 426 fstsw (%rax)
 427 // CHECK: wait
 428 // CHECK: fnstsw (%rax)
 429
 430 // PR8259
 431 fstcw (%rsp)
 432 // CHECK: wait
 433 // CHECK: fnstcw (%rsp)
 434
 435 // PR8259
 436 fstcw (%rsp)
 437 // CHECK: wait
 438 // CHECK: fnstcw (%rsp)
 439
 440 // PR8258
 441 finit
 442 // CHECK: wait
 443 // CHECK: fninit
 444
 445 fsave   32493
 446 // CHECK: wait
 447 // CHECK: fnsave 32493
 448
 449
 450 // rdar://8456382 - cvtsd2si support.
 451 cvtsd2si        %xmm1, %rax
 452 // CHECK: cvtsd2siq     %xmm1, %rax
 453 // CHECK: encoding: [0xf2,0x48,0x0f,0x2d,0xc1]
 454 cvtsd2si        %xmm1, %eax
 455 // CHECK: cvtsd2sil     %xmm1, %eax
 456 // CHECK: encoding: [0xf2,0x0f,0x2d,0xc1]
 457
 458 cvtsd2siq %xmm0, %rax // CHECK: cvtsd2siq       %xmm0, %rax
 459 cvtsd2sil %xmm0, %eax // CHECK: cvtsd2sil       %xmm0, %eax
 460 cvtsd2si %xmm0, %rax  // CHECK: cvtsd2siq       %xmm0, %rax
 461
 462
 463 cvttpd2dq %xmm1, %xmm0  // CHECK: cvttpd2dq %xmm1, %xmm0
 464 cvttpd2dq (%rax), %xmm0 // CHECK: cvttpd2dq (%rax), %xmm0
 465
 466 cvttps2dq %xmm1, %xmm0  // CHECK: cvttps2dq %xmm1, %xmm0
 467 cvttps2dq (%rax), %xmm0 // CHECK: cvttps2dq (%rax), %xmm0
 468
 469 // rdar://8456376 - llvm-mc rejects 'roundss'
 470 roundss $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x0a,0xc0,0x0e]
 471 roundps $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x08,0xc0,0x0e]
 472 roundsd $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x0b,0xc0,0x0e]
 473 roundpd $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x09,0xc0,0x0e]
 474
 475
 476 // rdar://8482675 - 32-bit mem operand support in 64-bit mode (0x67 prefix)
 477 leal    8(%eax), %esi
 478 // CHECK: leal  8(%eax), %esi
 479 // CHECK: encoding: [0x67,0x8d,0x70,0x08]
 480 leaq    8(%eax), %rsi
 481 // CHECK: leaq  8(%eax), %rsi
 482 // CHECK: encoding: [0x67,0x48,0x8d,0x70,0x08]
 483 leaq    8(%rax), %rsi
 484 // CHECK: leaq  8(%rax), %rsi
 485 // CHECK: encoding: [0x48,0x8d,0x70,0x08]
 486
 487
 488 cvttpd2dq       0xdeadbeef(%ebx,%ecx,8),%xmm5
 489 // CHECK: cvttpd2dq     3735928559(%ebx,%ecx,8), %xmm5
 490 // CHECK: encoding: [0x67,0x66,0x0f,0xe6,0xac,0xcb,0xef,0xbe,0xad,0xde]
 491
 492 // rdar://8490728 - llvm-mc rejects 'movmskpd'
 493 movmskpd        %xmm6, %rax
 494 // CHECK: movmskpd      %xmm6, %rax
 495 // CHECK: encoding: [0x66,0x48,0x0f,0x50,0xc6]
 496 movmskpd        %xmm6, %eax
 497 // CHECK: movmskpd      %xmm6, %eax
 498 // CHECK: encoding: [0x66,0x0f,0x50,0xc6]
 499
 500 // rdar://8491845 - Gas supports commuted forms of non-commutable instructions.
 501 fdivrp %st(0), %st(1) // CHECK: encoding: [0xde,0xf9]
 502 fdivrp %st(1), %st(0) // CHECK: encoding: [0xde,0xf9]
 503
 504 fsubrp %ST(0), %ST(1) // CHECK: encoding: [0xde,0xe9]
 505 fsubrp %ST(1), %ST(0) // CHECK: encoding: [0xde,0xe9]
 506
 507
 508 movl    foo(%rip), %eax
 509 // CHECK: movl  foo(%rip), %eax
 510 // CHECK: encoding: [0x8b,0x05,A,A,A,A]
 511 // CHECK: fixup A - offset: 2, value: foo-4, kind: reloc_riprel_4byte
 512
 513 movb    $12, foo(%rip)
 514 // CHECK: movb  $12, foo(%rip)
 515 // CHECK: encoding: [0xc6,0x05,A,A,A,A,0x0c]
 516 // CHECK:    fixup A - offset: 2, value: foo-5, kind: reloc_riprel_4byte
 517
 518 movw    $12, foo(%rip)
 519 // CHECK: movw  $12, foo(%rip)
 520 // CHECK: encoding: [0x66,0xc7,0x05,A,A,A,A,0x0c,0x00]
 521 // CHECK:    fixup A - offset: 3, value: foo-6, kind: reloc_riprel_4byte
 522
 523 movl    $12, foo(%rip)
 524 // CHECK: movl  $12, foo(%rip)
 525 // CHECK: encoding: [0xc7,0x05,A,A,A,A,0x0c,0x00,0x00,0x00]
 526 // CHECK:    fixup A - offset: 2, value: foo-8, kind: reloc_riprel_4byte
 527
 528 movq    $12, foo(%rip)
 529 // CHECK:  movq $12, foo(%rip)
 530 // CHECK: encoding: [0x48,0xc7,0x05,A,A,A,A,0x0c,0x00,0x00,0x00]
 531 // CHECK:    fixup A - offset: 3, value: foo-8, kind: reloc_riprel_4byte
 532
 533 // CHECK: addq  $-424, %rax
 534 // CHECK: encoding: [0x48,0x05,0x58,0xfe,0xff,0xff]
 535 addq $-424, %rax
 536
 537
 538 // CHECK: movq  _foo@GOTPCREL(%rip), %rax
 539 // CHECK:  encoding: [0x48,0x8b,0x05,A,A,A,A]
 540 // CHECK:  fixup A - offset: 3, value: _foo@GOTPCREL-4, kind: reloc_riprel_4byte_movq_load
 541 movq _foo@GOTPCREL(%rip), %rax
 542
 543 // CHECK: movq  _foo@GOTPCREL(%rip), %r14
 544 // CHECK:  encoding: [0x4c,0x8b,0x35,A,A,A,A]
 545 // CHECK:  fixup A - offset: 3, value: _foo@GOTPCREL-4, kind: reloc_riprel_4byte_movq_load
 546 movq _foo@GOTPCREL(%rip), %r14
 547
 548
 549 // CHECK: movq  (%r13,%rax,8), %r13
 550 // CHECK:  encoding: [0x4d,0x8b,0x6c,0xc5,0x00]
 551 movq 0x00(%r13,%rax,8),%r13
 552
 553 // CHECK: testq %rax, %rbx
 554 // CHECK:  encoding: [0x48,0x85,0xd8]
 555 testq %rax, %rbx
 556
 557 // CHECK: cmpq  %rbx, %r14
 558 // CHECK:   encoding: [0x49,0x39,0xde]
 559         cmpq %rbx, %r14
 560
 561 // rdar://7947167
 562
 563 movsq
 564 // CHECK: movsq
 565 // CHECK:   encoding: [0x48,0xa5]
 566
 567 movsl
 568 // CHECK: movsl
 569 // CHECK:   encoding: [0xa5]
 570
 571 stosq
 572 // CHECK: stosq
 573 // CHECK:   encoding: [0x48,0xab]
 574 stosl
 575 // CHECK: stosl
 576 // CHECK:   encoding: [0xab]
 577
 578
 579 // Not moffset forms of moves, they are x86-32 only! rdar://7947184
 580 movb    0, %al    // CHECK: movb 0, %al # encoding: [0x8a,0x04,0x25,0x00,0x00,0x00,0x00]
 581 movw    0, %ax    // CHECK: movw 0, %ax # encoding: [0x66,0x8b,0x04,0x25,0x00,0x00,0x00,0x00]
 582 movl    0, %eax   // CHECK: movl 0, %eax # encoding: [0x8b,0x04,0x25,0x00,0x00,0x00,0x00]
 583
 584 // CHECK: pushfq        # encoding: [0x9c]
 585         pushf
 586 // CHECK: pushfq        # encoding: [0x9c]
 587         pushfq
 588 // CHECK: popfq         # encoding: [0x9d]
 589         popf
 590 // CHECK: popfq         # encoding: [0x9d]
 591         popfq
 592
 593 // CHECK: movabsq $-281474976710654, %rax
 594 // CHECK: encoding: [0x48,0xb8,0x02,0x00,0x00,0x00,0x00,0x00,0xff,0xff]
 595         movabsq $0xFFFF000000000002, %rax
 596
 597 // CHECK: movabsq $-281474976710654, %rax
 598 // CHECK: encoding: [0x48,0xb8,0x02,0x00,0x00,0x00,0x00,0x00,0xff,0xff]
 599         movq $0xFFFF000000000002, %rax
 600
 601 // CHECK: movq $-65536, %rax
 602 // CHECK: encoding: [0x48,0xc7,0xc0,0x00,0x00,0xff,0xff]
 603         movq $0xFFFFFFFFFFFF0000, %rax
 604
 605 // CHECK: movq $-256, %rax
 606 // CHECK: encoding: [0x48,0xc7,0xc0,0x00,0xff,0xff,0xff]
 607         movq $0xFFFFFFFFFFFFFF00, %rax
 608
 609 // CHECK: movq $10, %rax
 610 // CHECK: encoding: [0x48,0xc7,0xc0,0x0a,0x00,0x00,0x00]
 611         movq $10, %rax
 612
 613 // rdar://8014869
 614 //
 615 // CHECK: ret
 616 // CHECK:  encoding: [0xc3]
 617         retq
 618
 619 // CHECK: sete %al
 620 // CHECK: encoding: [0x0f,0x94,0xc0]
 621         setz %al
 622
 623 // CHECK: setne %al
 624 // CHECK: encoding: [0x0f,0x95,0xc0]
 625         setnz %al
 626
 627 // CHECK: je 0
 628 // CHECK: encoding: [0x74,A]
 629         jz 0
 630
 631 // CHECK: jne
 632 // CHECK: encoding: [0x75,A]
 633         jnz 0
 634
 635 // rdar://8017515
 636 btq $0x01,%rdx
 637 // CHECK: btq   $1, %rdx
 638 // CHECK:  encoding: [0x48,0x0f,0xba,0xe2,0x01]
 639
 640 //rdar://8017633
 641 // CHECK: movzbl        %al, %esi
 642 // CHECK:  encoding: [0x0f,0xb6,0xf0]
 643         movzx %al, %esi
 644
 645 // CHECK: movzbq        %al, %rsi
 646 // CHECK:  encoding: [0x48,0x0f,0xb6,0xf0]
 647         movzx %al, %rsi
 648
 649 // CHECK: movsbw        %al, %ax
 650 // CHECK: encoding: [0x66,0x0f,0xbe,0xc0]
 651 movsx %al, %ax
 652
 653 // CHECK: movsbl        %al, %eax
 654 // CHECK: encoding: [0x0f,0xbe,0xc0]
 655 movsx %al, %eax
 656
 657 // CHECK: movswl        %ax, %eax
 658 // CHECK: encoding: [0x0f,0xbf,0xc0]
 659 movsx %ax, %eax
 660
 661 // CHECK: movsbq        %bl, %rax
 662 // CHECK: encoding: [0x48,0x0f,0xbe,0xc3]
 663 movsx %bl, %rax
 664
 665 // CHECK: movswq %cx, %rax
 666 // CHECK: encoding: [0x48,0x0f,0xbf,0xc1]
 667 movsx %cx, %rax
 668
 669 // CHECK: movslq        %edi, %rax
 670 // CHECK: encoding: [0x48,0x63,0xc7]
 671 movsx %edi, %rax
 672
 673 // CHECK: movzbw        %al, %ax
 674 // CHECK: encoding: [0x66,0x0f,0xb6,0xc0]
 675 movzx %al, %ax
 676
 677 // CHECK: movzbl        %al, %eax
 678 // CHECK: encoding: [0x0f,0xb6,0xc0]
 679 movzx %al, %eax
 680
 681 // CHECK: movzwl        %ax, %eax
 682 // CHECK: encoding: [0x0f,0xb7,0xc0]
 683 movzx %ax, %eax
 684
 685 // CHECK: movzbq        %bl, %rax
 686 // CHECK: encoding: [0x48,0x0f,0xb6,0xc3]
 687 movzx %bl, %rax
 688
 689 // CHECK: movzwq        %cx, %rax
 690 // CHECK: encoding: [0x48,0x0f,0xb7,0xc1]
 691 movzx %cx, %rax
 692
 693 // CHECK: movsbw        (%rax), %ax
 694 // CHECK: encoding: [0x66,0x0f,0xbe,0x00]
 695 movsx (%rax), %ax
 696
 697 // CHECK: movzbw        (%rax), %ax
 698 // CHECK: encoding: [0x66,0x0f,0xb6,0x00]
 699 movzx (%rax), %ax
 700
 701
 702 // rdar://7873482
 703 // CHECK: [0x65,0x8b,0x04,0x25,0x7c,0x00,0x00,0x00]
 704         movl    %gs:124, %eax
 705
 706 // CHECK: jmpq *8(%rax)
 707 // CHECK:   encoding: [0xff,0x60,0x08]
 708         jmp     *8(%rax)
 709
 710 // CHECK: btq $61, -216(%rbp)
 711 // CHECK:   encoding: [0x48,0x0f,0xba,0xa5,0x28,0xff,0xff,0xff,0x3d]
 712         btq     $61, -216(%rbp)
 713
 714
 715 // rdar://8061602
 716 L1:
 717   jecxz L1
 718 // CHECK: jecxz L1
 719 // CHECK:   encoding: [0x67,0xe3,A]
 720   jrcxz L1
 721 // CHECK: jrcxz L1
 722 // CHECK:   encoding: [0xe3,A]
 723
 724 // PR8061
 725 xchgl   368(%rax),%ecx
 726 // CHECK: xchgl %ecx, 368(%rax)
 727 xchgl   %ecx, 368(%rax)
 728 // CHECK: xchgl %ecx, 368(%rax)
 729
 730 // rdar://8407548
 731 xchg    0xdeadbeef(%rbx,%rcx,8),%bl
 732 // CHECK: xchgb %bl, 3735928559(%rbx,%rcx,8)
 733
 734
 735
 736 // PR7254
 737 lock  incl 1(%rsp)
 738 // CHECK: lock
 739 // CHECK: incl 1(%rsp)
 740
 741 // rdar://8033482
 742 rep movsl
 743 // CHECK: rep
 744 // CHECK: encoding: [0xf3]
 745 // CHECK: movsl
 746 // CHECK: encoding: [0xa5]
 747
 748
 749 // rdar://8403974
 750 iret
 751 // CHECK: iretl
 752 // CHECK: encoding: [0xcf]
 753 iretw
 754 // CHECK: iretw
 755 // CHECK: encoding: [0x66,0xcf]
 756 iretl
 757 // CHECK: iretl
 758 // CHECK: encoding: [0xcf]
 759 iretq
 760 // CHECK: iretq
 761 // CHECK: encoding: [0x48,0xcf]
 762
 763 // rdar://8416805
 764 // CHECK: retw  $31438
 765 // CHECK:  encoding: [0x66,0xc2,0xce,0x7a]
 766                 retw    $0x7ace
 767
 768 // CHECK: lretw $31438
 769 // CHECK:  encoding: [0x66,0xca,0xce,0x7a]
 770                 lretw   $0x7ace
 771
 772 // PR8592
 773 lretq  // CHECK: lretq # encoding: [0x48,0xcb]
 774 lretl  // CHECK: lretl # encoding: [0xcb]
 775 lret   // CHECK: lretl # encoding: [0xcb]
 776
 777 // rdar://8403907
 778 sysret
 779 // CHECK: sysretl
 780 // CHECK: encoding: [0x0f,0x07]
 781 sysretl
 782 // CHECK: sysretl
 783 // CHECK: encoding: [0x0f,0x07]
 784 sysretq
 785 // CHECK: sysretq
 786 // CHECK: encoding: [0x48,0x0f,0x07]
 787
 788 // rdar://8407242
 789 push %fs
 790 // CHECK: pushq %fs
 791 // CHECK: encoding: [0x0f,0xa0]
 792 push %gs
 793 // CHECK: pushq %gs
 794 // CHECK: encoding: [0x0f,0xa8]
 795
 796 pushw %fs
 797 // CHECK: pushw %fs
 798 // CHECK: encoding: [0x66,0x0f,0xa0]
 799 pushw %gs
 800 // CHECK: pushw %gs
 801 // CHECK: encoding: [0x66,0x0f,0xa8]
 802
 803
 804 pop %fs
 805 // CHECK: popq  %fs
 806 // CHECK: encoding: [0x0f,0xa1]
 807 pop %gs
 808 // CHECK: popq  %gs
 809 // CHECK: encoding: [0x0f,0xa9]
 810
 811 popw %fs
 812 // CHECK: popw  %fs
 813 // CHECK: encoding: [0x66,0x0f,0xa1]
 814 popw %gs
 815 // CHECK: popw  %gs
 816 // CHECK: encoding: [0x66,0x0f,0xa9]
 817
 818 // rdar://8438816
 819 fildq -8(%rsp)
 820 fildll -8(%rsp)
 821 // CHECK: fildll        -8(%rsp)
 822 // CHECK: encoding: [0xdf,0x6c,0x24,0xf8]
 823 // CHECK: fildll        -8(%rsp)
 824 // CHECK: encoding: [0xdf,0x6c,0x24,0xf8]
 825
 826 // CHECK: callq a
 827         callq a
 828
 829 // CHECK: leaq  -40(%rbp), %r15
 830         leaq    -40(%rbp), %r15
 831
 832
 833
 834 // rdar://8013734 - Alias dr6=db6
 835 mov %dr6, %rax
 836 mov %db6, %rax
 837 // CHECK: movq  %dr6, %rax
 838 // CHECK: movq  %dr6, %rax
 839
 840
 841 // INC/DEC encodings.
 842 incb %al  // CHECK:     incb    %al # encoding: [0xfe,0xc0]
 843 incw %ax  // CHECK:     incw    %ax # encoding: [0x66,0xff,0xc0]
 844 incl %eax // CHECK:     incl    %eax # encoding: [0xff,0xc0]
 845 decb %al  // CHECK:     decb    %al # encoding: [0xfe,0xc8]
 846 decw %ax  // CHECK:     decw    %ax # encoding: [0x66,0xff,0xc8]
 847 decl %eax // CHECK:     decl    %eax # encoding: [0xff,0xc8]
 848
 849 // rdar://8416805
 850 // CHECK: lgdt  4(%rax)
 851 // CHECK:  encoding: [0x0f,0x01,0x50,0x04]
 852                 lgdt    4(%rax)
 853
 854 // CHECK: lgdt  4(%rax)
 855 // CHECK:  encoding: [0x0f,0x01,0x50,0x04]
 856                 lgdtq   4(%rax)
 857
 858 // CHECK: lidt  4(%rax)
 859 // CHECK:  encoding: [0x0f,0x01,0x58,0x04]
 860                 lidt    4(%rax)
 861
 862 // CHECK: lidt  4(%rax)
 863 // CHECK:  encoding: [0x0f,0x01,0x58,0x04]
 864                 lidtq   4(%rax)
 865
 866 // CHECK: sgdt  4(%rax)
 867 // CHECK:  encoding: [0x0f,0x01,0x40,0x04]
 868                 sgdt    4(%rax)
 869
 870 // CHECK: sgdt  4(%rax)
 871 // CHECK:  encoding: [0x0f,0x01,0x40,0x04]
 872                 sgdtq   4(%rax)
 873
 874 // CHECK: sidt  4(%rax)
 875 // CHECK:  encoding: [0x0f,0x01,0x48,0x04]
 876                 sidt    4(%rax)
 877
 878 // CHECK: sidt  4(%rax)
 879 // CHECK:  encoding: [0x0f,0x01,0x48,0x04]
 880                 sidtq   4(%rax)
 881
 882
 883 // rdar://8208615
 884 mov (%rsi), %gs  // CHECK: movl (%rsi), %gs # encoding: [0x8e,0x2e]
 885 mov %gs, (%rsi)  // CHECK: movl %gs, (%rsi) # encoding: [0x8c,0x2e]
 886
 887
 888 // rdar://8431864
 889         div     %bl,%al
 890         div     %bx,%ax
 891         div     %ecx,%eax
 892         div     0xdeadbeef(%ebx,%ecx,8),%eax
 893         div     0x45,%eax
 894         div     0x7eed,%eax
 895         div     0xbabecafe,%eax
 896         div     0x12345678,%eax
 897         idiv    %bl,%al
 898         idiv    %bx,%ax
 899         idiv    %ecx,%eax
 900         idiv    0xdeadbeef(%ebx,%ecx,8),%eax
 901         idiv    0x45,%eax
 902         idiv    0x7eed,%eax
 903         idiv    0xbabecafe,%eax
 904         idiv    0x12345678,%eax
 905
 906 // PR8524
 907 movd    %rax, %mm5 // CHECK: movd %rax, %mm5 # encoding: [0x48,0x0f,0x6e,0xe8]
 908 movd    %mm5, %rbx // CHECK: movd %mm5, %rbx # encoding: [0x48,0x0f,0x7e,0xeb]
 909 movq    %rax, %mm5 // CHECK: movd %rax, %mm5 # encoding: [0x48,0x0f,0x6e,0xe8]
 910 movq    %mm5, %rbx // CHECK: movd %mm5, %rbx # encoding: [0x48,0x0f,0x7e,0xeb]
 911
 912 rex64 // CHECK: rex64 # encoding: [0x48]
 913 data16 // CHECK: data16 # encoding: [0x66]