x86-64.s revision 76331754d4a06e2394c15ae8f4870f4aeaf5ca1f
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 101smovb // CHECK: movsb 102smovw // CHECK: movsw 103smovl // CHECK: movsl 104smovq // 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 170fadd %st(0) 171fadd %st(1) 172fadd %st(7) 173 174// CHECK: leal 0, %eax 175 leal 0, %eax 176 177// rdar://7986634 - Insensitivity on opcodes. 178// CHECK: int3 179INT3 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 185movaps %xmm3, (%esi, 2) 186 187// CHECK: imull $12, %eax, %eax 188imul $12, %eax 189 190// CHECK: imull %ecx, %eax 191imull %ecx, %eax 192 193 194// rdar://8208481 195// CHECK: outb %al, $161 196outb %al, $161 197// CHECK: outw %ax, $128 198outw %ax, $128 199// CHECK: inb $161, %al 200inb $161, %al 201 202// rdar://8017621 203// CHECK: pushq $1 204push $1 205 206// rdar://8017530 207// CHECK: sldtw 4 208sldt 4 209 210// rdar://8208499 211// CHECK: cmovnew %bx, %ax 212cmovnz %bx, %ax 213// CHECK: cmovneq %rbx, %rax 214cmovnzq %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 223inb $0x7f 224inw %dx 225outb $0x7f 226outw %dx 227inl %dx 228 229 230// PR8114 231// CHECK: outb %al, %dx 232// CHECK: outw %ax, %dx 233// CHECK: outl %eax, %dx 234 235out %al, (%dx) 236out %ax, (%dx) 237outl %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 253fxch 254fucom 255fucomp 256faddp 257faddp %st 258fsubp 259fsubrp 260fmulp 261fdivp 262fdivrp 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 270fcomi 271fcomi %st(2) 272fucomi 273fucomi %st(2) 274fucomi %st(2), %st 275 276// CHECK: fnstsw %ax 277// CHECK: fnstsw %ax 278// CHECK: fnstsw %ax 279// CHECK: fnstsw %ax 280 281fnstsw 282fnstsw %ax 283fnstsw %eax 284fnstsw %al 285 286// rdar://8431880 287// CHECK: rclb %bl 288// CHECK: rcll 3735928559(%ebx,%ecx,8) 289// CHECK: rcrl %ecx 290// CHECK: rcrl 305419896 291rcl %bl 292rcll 0xdeadbeef(%ebx,%ecx,8) 293rcr %ecx 294rcrl 0x12345678 295 296rclb %bl // CHECK: rclb %bl # encoding: [0xd0,0xd3] 297rclb $1, %bl // CHECK: rclb %bl # encoding: [0xd0,0xd3] 298rclb $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 306shld %bx,%bx 307shld $1, %bx,%bx 308shrd %bx,%bx 309shrd $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 316sldt %ecx 317sldt %cx 318 319// CHECK: lcalll *3135175374 320// CHECK: ljmpl *3135175374 321lcall *0xbadeface 322ljmp *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] 332enter $0x7ace,$0 333enter $0x7ace,$1 334enter $0x7ace,$0x7f 335 336 337// rdar://8456364 338// CHECK: movw %cs, %ax 339mov %CS, %ax 340 341// rdar://8456391 342fcmovb %st(1), %st(0) // CHECK: fcmovb %st(1), %st(0) 343fcmove %st(1), %st(0) // CHECK: fcmove %st(1), %st(0) 344fcmovbe %st(1), %st(0) // CHECK: fcmovbe %st(1), %st(0) 345fcmovu %st(1), %st(0) // CHECK: fcmovu %st(1), %st(0) 346 347fcmovnb %st(1), %st(0) // CHECK: fcmovnb %st(1), %st(0) 348fcmovne %st(1), %st(0) // CHECK: fcmovne %st(1), %st(0) 349fcmovnbe %st(1), %st(0) // CHECK: fcmovnbe %st(1), %st(0) 350fcmovnu %st(1), %st(0) // CHECK: fcmovnu %st(1), %st(0) 351 352fcmovnae %st(1), %st(0) // CHECK: fcmovb %st(1), %st(0) 353fcmovna %st(1), %st(0) // CHECK: fcmovbe %st(1), %st(0) 354 355fcmovae %st(1), %st(0) // CHECK: fcmovnb %st(1), %st(0) 356fcmova %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 362mov %rdx, %cr0 363// CHECK: movq %rdx, %cr0 364// CHECK: encoding: [0x0f,0x22,0xc2] 365mov %rdx, %cr4 366// CHECK: movq %rdx, %cr4 367// CHECK: encoding: [0x0f,0x22,0xe2] 368mov %rdx, %cr8 369// CHECK: movq %rdx, %cr8 370// CHECK: encoding: [0x44,0x0f,0x22,0xc2] 371mov %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) 378faddp %st, %st(1) 379fmulp %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] 386fmul %st, %st(1) 387fmul %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] 393fadd %st, %st(1) 394fadd %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] 406clrb %al 407clr %di 408clr %esi 409clr %rsi 410 411// rdar://8456378 412cltq // CHECK: cltq 413cdqe // CHECK: cltq 414cwde // CHECK: cwtl 415cwtl // CHECK: cwtl 416 417// rdar://8416805 418cbw // CHECK: cbtw 419cwd // CHECK: cwtd 420cdq // CHECK: cltd 421 422// rdar://8456378 and PR7557 - fstsw 423fstsw %ax 424// CHECK: wait 425// CHECK: fnstsw %ax 426fstsw (%rax) 427// CHECK: wait 428// CHECK: fnstsw (%rax) 429 430// PR8259 431fstcw (%rsp) 432// CHECK: wait 433// CHECK: fnstcw (%rsp) 434 435// PR8259 436fstcw (%rsp) 437// CHECK: wait 438// CHECK: fnstcw (%rsp) 439 440// PR8258 441finit 442// CHECK: wait 443// CHECK: fninit 444 445fsave 32493 446// CHECK: wait 447// CHECK: fnsave 32493 448 449 450// rdar://8456382 - cvtsd2si support. 451cvtsd2si %xmm1, %rax 452// CHECK: cvtsd2siq %xmm1, %rax 453// CHECK: encoding: [0xf2,0x48,0x0f,0x2d,0xc1] 454cvtsd2si %xmm1, %eax 455// CHECK: cvtsd2sil %xmm1, %eax 456// CHECK: encoding: [0xf2,0x0f,0x2d,0xc1] 457 458cvtsd2siq %xmm0, %rax // CHECK: cvtsd2siq %xmm0, %rax 459cvtsd2sil %xmm0, %eax // CHECK: cvtsd2sil %xmm0, %eax 460cvtsd2si %xmm0, %rax // CHECK: cvtsd2siq %xmm0, %rax 461 462 463cvttpd2dq %xmm1, %xmm0 // CHECK: cvttpd2dq %xmm1, %xmm0 464cvttpd2dq (%rax), %xmm0 // CHECK: cvttpd2dq (%rax), %xmm0 465 466cvttps2dq %xmm1, %xmm0 // CHECK: cvttps2dq %xmm1, %xmm0 467cvttps2dq (%rax), %xmm0 // CHECK: cvttps2dq (%rax), %xmm0 468 469// rdar://8456376 - llvm-mc rejects 'roundss' 470roundss $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x0a,0xc0,0x0e] 471roundps $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x08,0xc0,0x0e] 472roundsd $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x0b,0xc0,0x0e] 473roundpd $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) 477leal 8(%eax), %esi 478// CHECK: leal 8(%eax), %esi 479// CHECK: encoding: [0x67,0x8d,0x70,0x08] 480leaq 8(%eax), %rsi 481// CHECK: leaq 8(%eax), %rsi 482// CHECK: encoding: [0x67,0x48,0x8d,0x70,0x08] 483leaq 8(%rax), %rsi 484// CHECK: leaq 8(%rax), %rsi 485// CHECK: encoding: [0x48,0x8d,0x70,0x08] 486 487 488cvttpd2dq 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' 493movmskpd %xmm6, %rax 494// CHECK: movmskpd %xmm6, %rax 495// CHECK: encoding: [0x66,0x48,0x0f,0x50,0xc6] 496movmskpd %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. 501fdivrp %st(0), %st(1) // CHECK: encoding: [0xde,0xf9] 502fdivrp %st(1), %st(0) // CHECK: encoding: [0xde,0xf9] 503 504fsubrp %ST(0), %ST(1) // CHECK: encoding: [0xde,0xe9] 505fsubrp %ST(1), %ST(0) // CHECK: encoding: [0xde,0xe9] 506 507 508movl 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 513movb $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 518movw $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 523movl $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 528movq $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] 535addq $-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 541movq _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 546movq _foo@GOTPCREL(%rip), %r14 547 548 549// CHECK: movq (%r13,%rax,8), %r13 550// CHECK: encoding: [0x4d,0x8b,0x6c,0xc5,0x00] 551movq 0x00(%r13,%rax,8),%r13 552 553// CHECK: testq %rax, %rbx 554// CHECK: encoding: [0x48,0x85,0xd8] 555testq %rax, %rbx 556 557// CHECK: cmpq %rbx, %r14 558// CHECK: encoding: [0x49,0x39,0xde] 559 cmpq %rbx, %r14 560 561// rdar://7947167 562 563movsq 564// CHECK: movsq 565// CHECK: encoding: [0x48,0xa5] 566 567movsl 568// CHECK: movsl 569// CHECK: encoding: [0xa5] 570 571stosq 572// CHECK: stosq 573// CHECK: encoding: [0x48,0xab] 574stosl 575// CHECK: stosl 576// CHECK: encoding: [0xab] 577 578 579// Not moffset forms of moves, they are x86-32 only! rdar://7947184 580movb 0, %al // CHECK: movb 0, %al # encoding: [0x8a,0x04,0x25,0x00,0x00,0x00,0x00] 581movw 0, %ax // CHECK: movw 0, %ax # encoding: [0x66,0x8b,0x04,0x25,0x00,0x00,0x00,0x00] 582movl 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 636btq $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] 651movsx %al, %ax 652 653// CHECK: movsbl %al, %eax 654// CHECK: encoding: [0x0f,0xbe,0xc0] 655movsx %al, %eax 656 657// CHECK: movswl %ax, %eax 658// CHECK: encoding: [0x0f,0xbf,0xc0] 659movsx %ax, %eax 660 661// CHECK: movsbq %bl, %rax 662// CHECK: encoding: [0x48,0x0f,0xbe,0xc3] 663movsx %bl, %rax 664 665// CHECK: movswq %cx, %rax 666// CHECK: encoding: [0x48,0x0f,0xbf,0xc1] 667movsx %cx, %rax 668 669// CHECK: movslq %edi, %rax 670// CHECK: encoding: [0x48,0x63,0xc7] 671movsx %edi, %rax 672 673// CHECK: movzbw %al, %ax 674// CHECK: encoding: [0x66,0x0f,0xb6,0xc0] 675movzx %al, %ax 676 677// CHECK: movzbl %al, %eax 678// CHECK: encoding: [0x0f,0xb6,0xc0] 679movzx %al, %eax 680 681// CHECK: movzwl %ax, %eax 682// CHECK: encoding: [0x0f,0xb7,0xc0] 683movzx %ax, %eax 684 685// CHECK: movzbq %bl, %rax 686// CHECK: encoding: [0x48,0x0f,0xb6,0xc3] 687movzx %bl, %rax 688 689// CHECK: movzwq %cx, %rax 690// CHECK: encoding: [0x48,0x0f,0xb7,0xc1] 691movzx %cx, %rax 692 693// CHECK: movsbw (%rax), %ax 694// CHECK: encoding: [0x66,0x0f,0xbe,0x00] 695movsx (%rax), %ax 696 697// CHECK: movzbw (%rax), %ax 698// CHECK: encoding: [0x66,0x0f,0xb6,0x00] 699movzx (%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 716L1: 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 725xchgl 368(%rax),%ecx 726// CHECK: xchgl %ecx, 368(%rax) 727xchgl %ecx, 368(%rax) 728// CHECK: xchgl %ecx, 368(%rax) 729 730// rdar://8407548 731xchg 0xdeadbeef(%rbx,%rcx,8),%bl 732// CHECK: xchgb %bl, 3735928559(%rbx,%rcx,8) 733 734 735 736// PR7254 737lock incl 1(%rsp) 738// CHECK: lock 739// CHECK: incl 1(%rsp) 740 741// rdar://8741045 742lock/incl 1(%rsp) 743// CHECK: lock 744// CHECK: incl 1(%rsp) 745 746// rdar://8033482 747rep movsl 748// CHECK: rep 749// CHECK: encoding: [0xf3] 750// CHECK: movsl 751// CHECK: encoding: [0xa5] 752 753 754// rdar://8403974 755iret 756// CHECK: iretl 757// CHECK: encoding: [0xcf] 758iretw 759// CHECK: iretw 760// CHECK: encoding: [0x66,0xcf] 761iretl 762// CHECK: iretl 763// CHECK: encoding: [0xcf] 764iretq 765// CHECK: iretq 766// CHECK: encoding: [0x48,0xcf] 767 768// rdar://8416805 769// CHECK: retw $31438 770// CHECK: encoding: [0x66,0xc2,0xce,0x7a] 771 retw $0x7ace 772 773// CHECK: lretw $31438 774// CHECK: encoding: [0x66,0xca,0xce,0x7a] 775 lretw $0x7ace 776 777// PR8592 778lretq // CHECK: lretq # encoding: [0x48,0xcb] 779lretl // CHECK: lretl # encoding: [0xcb] 780lret // CHECK: lretl # encoding: [0xcb] 781 782// rdar://8403907 783sysret 784// CHECK: sysretl 785// CHECK: encoding: [0x0f,0x07] 786sysretl 787// CHECK: sysretl 788// CHECK: encoding: [0x0f,0x07] 789sysretq 790// CHECK: sysretq 791// CHECK: encoding: [0x48,0x0f,0x07] 792 793// rdar://8407242 794push %fs 795// CHECK: pushq %fs 796// CHECK: encoding: [0x0f,0xa0] 797push %gs 798// CHECK: pushq %gs 799// CHECK: encoding: [0x0f,0xa8] 800 801pushw %fs 802// CHECK: pushw %fs 803// CHECK: encoding: [0x66,0x0f,0xa0] 804pushw %gs 805// CHECK: pushw %gs 806// CHECK: encoding: [0x66,0x0f,0xa8] 807 808 809pop %fs 810// CHECK: popq %fs 811// CHECK: encoding: [0x0f,0xa1] 812pop %gs 813// CHECK: popq %gs 814// CHECK: encoding: [0x0f,0xa9] 815 816popw %fs 817// CHECK: popw %fs 818// CHECK: encoding: [0x66,0x0f,0xa1] 819popw %gs 820// CHECK: popw %gs 821// CHECK: encoding: [0x66,0x0f,0xa9] 822 823// rdar://8438816 824fildq -8(%rsp) 825fildll -8(%rsp) 826// CHECK: fildll -8(%rsp) 827// CHECK: encoding: [0xdf,0x6c,0x24,0xf8] 828// CHECK: fildll -8(%rsp) 829// CHECK: encoding: [0xdf,0x6c,0x24,0xf8] 830 831// CHECK: callq a 832 callq a 833 834// CHECK: leaq -40(%rbp), %r15 835 leaq -40(%rbp), %r15 836 837 838 839// rdar://8013734 - Alias dr6=db6 840mov %dr6, %rax 841mov %db6, %rax 842// CHECK: movq %dr6, %rax 843// CHECK: movq %dr6, %rax 844 845 846// INC/DEC encodings. 847incb %al // CHECK: incb %al # encoding: [0xfe,0xc0] 848incw %ax // CHECK: incw %ax # encoding: [0x66,0xff,0xc0] 849incl %eax // CHECK: incl %eax # encoding: [0xff,0xc0] 850decb %al // CHECK: decb %al # encoding: [0xfe,0xc8] 851decw %ax // CHECK: decw %ax # encoding: [0x66,0xff,0xc8] 852decl %eax // CHECK: decl %eax # encoding: [0xff,0xc8] 853 854// rdar://8416805 855// CHECK: lgdt 4(%rax) 856// CHECK: encoding: [0x0f,0x01,0x50,0x04] 857 lgdt 4(%rax) 858 859// CHECK: lgdt 4(%rax) 860// CHECK: encoding: [0x0f,0x01,0x50,0x04] 861 lgdtq 4(%rax) 862 863// CHECK: lidt 4(%rax) 864// CHECK: encoding: [0x0f,0x01,0x58,0x04] 865 lidt 4(%rax) 866 867// CHECK: lidt 4(%rax) 868// CHECK: encoding: [0x0f,0x01,0x58,0x04] 869 lidtq 4(%rax) 870 871// CHECK: sgdt 4(%rax) 872// CHECK: encoding: [0x0f,0x01,0x40,0x04] 873 sgdt 4(%rax) 874 875// CHECK: sgdt 4(%rax) 876// CHECK: encoding: [0x0f,0x01,0x40,0x04] 877 sgdtq 4(%rax) 878 879// CHECK: sidt 4(%rax) 880// CHECK: encoding: [0x0f,0x01,0x48,0x04] 881 sidt 4(%rax) 882 883// CHECK: sidt 4(%rax) 884// CHECK: encoding: [0x0f,0x01,0x48,0x04] 885 sidtq 4(%rax) 886 887 888// rdar://8208615 889mov (%rsi), %gs // CHECK: movl (%rsi), %gs # encoding: [0x8e,0x2e] 890mov %gs, (%rsi) // CHECK: movl %gs, (%rsi) # encoding: [0x8c,0x2e] 891 892 893// rdar://8431864 894 div %bl,%al 895 div %bx,%ax 896 div %ecx,%eax 897 div 0xdeadbeef(%ebx,%ecx,8),%eax 898 div 0x45,%eax 899 div 0x7eed,%eax 900 div 0xbabecafe,%eax 901 div 0x12345678,%eax 902 idiv %bl,%al 903 idiv %bx,%ax 904 idiv %ecx,%eax 905 idiv 0xdeadbeef(%ebx,%ecx,8),%eax 906 idiv 0x45,%eax 907 idiv 0x7eed,%eax 908 idiv 0xbabecafe,%eax 909 idiv 0x12345678,%eax 910 911// PR8524 912movd %rax, %mm5 // CHECK: movd %rax, %mm5 # encoding: [0x48,0x0f,0x6e,0xe8] 913movd %mm5, %rbx // CHECK: movd %mm5, %rbx # encoding: [0x48,0x0f,0x7e,0xeb] 914movq %rax, %mm5 // CHECK: movd %rax, %mm5 # encoding: [0x48,0x0f,0x6e,0xe8] 915movq %mm5, %rbx // CHECK: movd %mm5, %rbx # encoding: [0x48,0x0f,0x7e,0xeb] 916 917rex64 // CHECK: rex64 # encoding: [0x48] 918data16 // CHECK: data16 # encoding: [0x66] 919