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cbf5d74e6a
llvm/test/MC/X86/x86-64.s
Chris Lattner cbf5d74e6a implement PR8524, apparently mainline gas accepts movq as an alias for movd 
when transfering between i64 gprs and mmx regs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119931 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-21 08:18:57 +00:00

912 lines
20 KiB
ArmAsm
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// RUN: llvm-mc -triple x86_64-unknown-unknown -show-encoding %s > %t 2> %t.err
// RUN: FileCheck < %t %s
// RUN: FileCheck --check-prefix=CHECK-STDERR < %t.err %s
// Suffix inference:
// CHECK: addl $0, %eax
add $0, %eax
// CHECK: addb $255, %al
add $0xFF, %al
// CHECK: orq %rax, %rdx
or %rax, %rdx
// CHECK: shlq $3, %rax
shl $3, %rax
// CHECK: subb %al, %al
subb %al, %al
// CHECK: addl $24, %eax
addl $24, %eax
// CHECK: movl %eax, 10(%ebp)
movl %eax, 10(%ebp)
// CHECK: movl %eax, 10(%ebp,%ebx)
movl %eax, 10(%ebp, %ebx)
// CHECK: movl %eax, 10(%ebp,%ebx,4)
movl %eax, 10(%ebp, %ebx, 4)
// CHECK: movl %eax, 10(,%ebx,4)
movl %eax, 10(, %ebx, 4)
// CHECK: movl 0, %eax
movl 0, %eax
// CHECK: movl $0, %eax
movl $0, %eax
// CHECK: ret
ret
// FIXME: Check that this matches SUB32ri8
// CHECK: subl $1, %eax
subl $1, %eax
// FIXME: Check that this matches SUB32ri8
// CHECK: subl $-1, %eax
subl $-1, %eax
// FIXME: Check that this matches SUB32ri
// CHECK: subl $256, %eax
subl $256, %eax
// FIXME: Check that this matches XOR64ri8
// CHECK: xorq $1, %rax
xorq $1, %rax
// FIXME: Check that this matches XOR64ri32
// CHECK: xorq $256, %rax
xorq $256, %rax
// FIXME: Check that this matches SUB8rr
// CHECK: subb %al, %bl
subb %al, %bl
// FIXME: Check that this matches SUB16rr
// CHECK: subw %ax, %bx
subw %ax, %bx
// FIXME: Check that this matches SUB32rr
// CHECK: subl %eax, %ebx
subl %eax, %ebx
// FIXME: Check that this matches the correct instruction.
// CHECK: callq *%rax
call *%rax
// FIXME: Check that this matches the correct instruction.
// CHECK: shldl %cl, %eax, %ebx
shldl %cl, %eax, %ebx
// CHECK: shll $2, %eax
shll $2, %eax
// CHECK: shll $2, %eax
sall $2, %eax
// CHECK: rep
// CHECK: insb
rep;insb
// CHECK: rep
// CHECK: outsb
rep;outsb
// CHECK: rep
// CHECK: movsb
rep;movsb
// rdar://8470918
smovb // CHECK: movsb
smovw // CHECK: movsw
smovl // CHECK: movsl
smovq // CHECK: movsq
// rdar://8456361
// CHECK: rep
// CHECK: movsl
rep movsd
// CHECK: rep
// CHECK: lodsb
rep;lodsb
// CHECK: rep
// CHECK: stosb
rep;stosb
// NOTE: repz and repe have the same opcode as rep
// CHECK: rep
// CHECK: cmpsb
repz;cmpsb
// NOTE: repnz has the same opcode as repne
// CHECK: repne
// CHECK: cmpsb
repnz;cmpsb
// NOTE: repe and repz have the same opcode as rep
// CHECK: rep
// CHECK: scasb
repe;scasb
// CHECK: repne
// CHECK: scasb
repne;scasb
// CHECK: lock
// CHECK: cmpxchgb %al, (%ebx)
lock;cmpxchgb %al, 0(%ebx)
// CHECK: cs
// CHECK: movb (%eax), %al
cs;movb 0(%eax), %al
// CHECK: ss
// CHECK: movb (%eax), %al
ss;movb 0(%eax), %al
// CHECK: ds
// CHECK: movb (%eax), %al
ds;movb 0(%eax), %al
// CHECK: es
// CHECK: movb (%eax), %al
es;movb 0(%eax), %al
// CHECK: fs
// CHECK: movb (%eax), %al
fs;movb 0(%eax), %al
// CHECK: gs
// CHECK: movb (%eax), %al
gs;movb 0(%eax), %al
// CHECK: fadd %st(0)
// CHECK: fadd %st(1)
// CHECK: fadd %st(7)
fadd %st(0)
fadd %st(1)
fadd %st(7)
// CHECK: leal 0, %eax
leal 0, %eax
// rdar://7986634 - Insensitivity on opcodes.
// CHECK: int3
INT3
// Allow scale factor without index register.
// CHECK: movaps %xmm3, (%esi)
// CHECK-STDERR: warning: scale factor without index register is ignored
movaps %xmm3, (%esi, 2)
// CHECK: imull $12, %eax, %eax
imul $12, %eax
// CHECK: imull %ecx, %eax
imull %ecx, %eax
// rdar://8208481
// CHECK: outb %al, $161
outb %al, $161
// CHECK: outw %ax, $128
outw %ax, $128
// CHECK: inb $161, %al
inb $161, %al
// rdar://8017621
// CHECK: pushq $1
push $1
// rdar://8017530
// CHECK: sldtw 4
sldt 4
// rdar://8208499
// CHECK: cmovnew %bx, %ax
cmovnz %bx, %ax
// CHECK: cmovneq %rbx, %rax
cmovnzq %rbx, %rax
// rdar://8407928
// CHECK: inb $127, %al
// CHECK: inw %dx, %ax
// CHECK: outb %al, $127
// CHECK: outw %ax, %dx
// CHECK: inl %dx, %eax
inb $0x7f
inw %dx
outb $0x7f
outw %dx
inl %dx
// PR8114
// CHECK: outb %al, %dx
// CHECK: outw %ax, %dx
// CHECK: outl %eax, %dx
out %al, (%dx)
out %ax, (%dx)
outl %eax, (%dx)
// rdar://8431422
// CHECK: fxch %st(1)
// CHECK: fucom %st(1)
// CHECK: fucomp %st(1)
// CHECK: faddp %st(1)
// CHECK: faddp %st(0)
// CHECK: fsubp %st(1)
// CHECK: fsubrp %st(1)
// CHECK: fmulp %st(1)
// CHECK: fdivp %st(1)
// CHECK: fdivrp %st(1)
fxch
fucom
fucomp
faddp
faddp %st
fsubp
fsubrp
fmulp
fdivp
fdivrp
// CHECK: fcomi %st(1)
// CHECK: fcomi %st(2)
// CHECK: fucomi %st(1)
// CHECK: fucomi %st(2)
// CHECK: fucomi %st(2)
fcomi
fcomi %st(2)
fucomi
fucomi %st(2)
fucomi %st(2), %st
// CHECK: fnstsw %ax
// CHECK: fnstsw %ax
// CHECK: fnstsw %ax
// CHECK: fnstsw %ax
fnstsw
fnstsw %ax
fnstsw %eax
fnstsw %al
// rdar://8431880
// CHECK: rclb %bl
// CHECK: rcll 3735928559(%ebx,%ecx,8)
// CHECK: rcrl %ecx
// CHECK: rcrl 305419896
rcl %bl
rcll 0xdeadbeef(%ebx,%ecx,8)
rcr %ecx
rcrl 0x12345678
rclb %bl // CHECK: rclb %bl # encoding: [0xd0,0xd3]
rclb $1, %bl // CHECK: rclb %bl # encoding: [0xd0,0xd3]
rclb $2, %bl // CHECK: rclb $2, %bl # encoding: [0xc0,0xd3,0x02]
// rdar://8418316
// CHECK: shldw $1, %bx, %bx
// CHECK: shldw $1, %bx, %bx
// CHECK: shrdw $1, %bx, %bx
// CHECK: shrdw $1, %bx, %bx
shld %bx,%bx
shld $1, %bx,%bx
shrd %bx,%bx
shrd $1, %bx,%bx
// CHECK: sldtl %ecx
// CHECK: encoding: [0x0f,0x00,0xc1]
// CHECK: sldtw %cx
// CHECK: encoding: [0x66,0x0f,0x00,0xc1]
sldt %ecx
sldt %cx
// CHECK: lcalll *3135175374
// CHECK: ljmpl *3135175374
lcall *0xbadeface
ljmp *0xbadeface
// rdar://8444631
// CHECK: enter $31438, $0
// CHECK: encoding: [0xc8,0xce,0x7a,0x00]
// CHECK: enter $31438, $1
// CHECK: encoding: [0xc8,0xce,0x7a,0x01]
// CHECK: enter $31438, $127
// CHECK: encoding: [0xc8,0xce,0x7a,0x7f]
enter $0x7ace,$0
enter $0x7ace,$1
enter $0x7ace,$0x7f
// rdar://8456364
// CHECK: movw %cs, %ax
mov %CS, %ax
// rdar://8456391
fcmovb %st(1), %st(0) // CHECK: fcmovb %st(1), %st(0)
fcmove %st(1), %st(0) // CHECK: fcmove %st(1), %st(0)
fcmovbe %st(1), %st(0) // CHECK: fcmovbe %st(1), %st(0)
fcmovu %st(1), %st(0) // CHECK: fcmovu %st(1), %st(0)
fcmovnb %st(1), %st(0) // CHECK: fcmovnb %st(1), %st(0)
fcmovne %st(1), %st(0) // CHECK: fcmovne %st(1), %st(0)
fcmovnbe %st(1), %st(0) // CHECK: fcmovnbe %st(1), %st(0)
fcmovnu %st(1), %st(0) // CHECK: fcmovnu %st(1), %st(0)
fcmovnae %st(1), %st(0) // CHECK: fcmovb %st(1), %st(0)
fcmovna %st(1), %st(0) // CHECK: fcmovbe %st(1), %st(0)
fcmovae %st(1), %st(0) // CHECK: fcmovnb %st(1), %st(0)
fcmova %st(1), %st(0) // CHECK: fcmovnbe %st(1), %st(0)
// rdar://8456417
.byte 88 + 1 & 15 // CHECK: .byte 9
// rdar://8456412
mov %rdx, %cr0
// CHECK: movq %rdx, %cr0
// CHECK: encoding: [0x0f,0x22,0xc2]
mov %rdx, %cr4
// CHECK: movq %rdx, %cr4
// CHECK: encoding: [0x0f,0x22,0xe2]
mov %rdx, %cr8
// CHECK: movq %rdx, %cr8
// CHECK: encoding: [0x44,0x0f,0x22,0xc2]
mov %rdx, %cr15
// CHECK: movq %rdx, %cr15
// CHECK: encoding: [0x44,0x0f,0x22,0xfa]
// rdar://8456371 - Handle commutable instructions written backward.
// CHECK: faddp %st(1)
// CHECK: fmulp %st(2)
faddp %st, %st(1)
fmulp %st, %st(2)
// rdar://8468087 - Encode these accurately, they are not synonyms.
// CHECK: fmul %st(0), %st(1)
// CHECK: encoding: [0xdc,0xc9]
// CHECK: fmul %st(1)
// CHECK: encoding: [0xd8,0xc9]
fmul %st, %st(1)
fmul %st(1), %st
// CHECK: fadd %st(0), %st(1)
// CHECK: encoding: [0xdc,0xc1]
// CHECK: fadd %st(1)
// CHECK: encoding: [0xd8,0xc1]
fadd %st, %st(1)
fadd %st(1), %st
// rdar://8416805
// CHECK: xorb %al, %al
// CHECK: encoding: [0x30,0xc0]
// CHECK: xorw %di, %di
// CHECK: encoding: [0x66,0x31,0xff]
// CHECK: xorl %esi, %esi
// CHECK: encoding: [0x31,0xf6]
// CHECK: xorq %rsi, %rsi
// CHECK: encoding: [0x48,0x31,0xf6]
clrb %al
clr %di
clr %esi
clr %rsi
// rdar://8456378
cltq // CHECK: cltq
cdqe // CHECK: cltq
cwde // CHECK: cwtl
cwtl // CHECK: cwtl
// rdar://8416805
cbw // CHECK: cbtw
cwd // CHECK: cwtd
cdq // CHECK: cltd
// rdar://8456378 and PR7557 - fstsw
fstsw %ax
// CHECK: wait
// CHECK: fnstsw %ax
fstsw (%rax)
// CHECK: wait
// CHECK: fnstsw (%rax)
// PR8259
fstcw (%rsp)
// CHECK: wait
// CHECK: fnstcw (%rsp)
// PR8259
fstcw (%rsp)
// CHECK: wait
// CHECK: fnstcw (%rsp)
// PR8258
finit
// CHECK: wait
// CHECK: fninit
fsave 32493
// CHECK: wait
// CHECK: fnsave 32493
// rdar://8456382 - cvtsd2si support.
cvtsd2si %xmm1, %rax
// CHECK: cvtsd2siq %xmm1, %rax
// CHECK: encoding: [0xf2,0x48,0x0f,0x2d,0xc1]
cvtsd2si %xmm1, %eax
// CHECK: cvtsd2sil %xmm1, %eax
// CHECK: encoding: [0xf2,0x0f,0x2d,0xc1]
cvtsd2siq %xmm0, %rax // CHECK: cvtsd2siq %xmm0, %rax
cvtsd2sil %xmm0, %eax // CHECK: cvtsd2sil %xmm0, %eax
cvtsd2si %xmm0, %rax // CHECK: cvtsd2siq %xmm0, %rax
cvttpd2dq %xmm1, %xmm0 // CHECK: cvttpd2dq %xmm1, %xmm0
cvttpd2dq (%rax), %xmm0 // CHECK: cvttpd2dq (%rax), %xmm0
cvttps2dq %xmm1, %xmm0 // CHECK: cvttps2dq %xmm1, %xmm0
cvttps2dq (%rax), %xmm0 // CHECK: cvttps2dq (%rax), %xmm0
// rdar://8456376 - llvm-mc rejects 'roundss'
roundss $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x0a,0xc0,0x0e]
roundps $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x08,0xc0,0x0e]
roundsd $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x0b,0xc0,0x0e]
roundpd $0xE, %xmm0, %xmm0 // CHECK: encoding: [0x66,0x0f,0x3a,0x09,0xc0,0x0e]
// rdar://8482675 - 32-bit mem operand support in 64-bit mode (0x67 prefix)
leal 8(%eax), %esi
// CHECK: leal 8(%eax), %esi
// CHECK: encoding: [0x67,0x8d,0x70,0x08]
leaq 8(%eax), %rsi
// CHECK: leaq 8(%eax), %rsi
// CHECK: encoding: [0x67,0x48,0x8d,0x70,0x08]
leaq 8(%rax), %rsi
// CHECK: leaq 8(%rax), %rsi
// CHECK: encoding: [0x48,0x8d,0x70,0x08]
cvttpd2dq 0xdeadbeef(%ebx,%ecx,8),%xmm5
// CHECK: cvttpd2dq 3735928559(%ebx,%ecx,8), %xmm5
// CHECK: encoding: [0x67,0x66,0x0f,0xe6,0xac,0xcb,0xef,0xbe,0xad,0xde]
// rdar://8490728 - llvm-mc rejects 'movmskpd'
movmskpd %xmm6, %rax
// CHECK: movmskpd %xmm6, %rax
// CHECK: encoding: [0x66,0x48,0x0f,0x50,0xc6]
movmskpd %xmm6, %eax
// CHECK: movmskpd %xmm6, %eax
// CHECK: encoding: [0x66,0x0f,0x50,0xc6]
// rdar://8491845 - Gas supports commuted forms of non-commutable instructions.
fdivrp %st(0), %st(1) // CHECK: encoding: [0xde,0xf9]
fdivrp %st(1), %st(0) // CHECK: encoding: [0xde,0xf9]
fsubrp %ST(0), %ST(1) // CHECK: encoding: [0xde,0xe9]
fsubrp %ST(1), %ST(0) // CHECK: encoding: [0xde,0xe9]
movl foo(%rip), %eax
// CHECK: movl foo(%rip), %eax
// CHECK: encoding: [0x8b,0x05,A,A,A,A]
// CHECK: fixup A - offset: 2, value: foo-4, kind: reloc_riprel_4byte
movb $12, foo(%rip)
// CHECK: movb $12, foo(%rip)
// CHECK: encoding: [0xc6,0x05,A,A,A,A,0x0c]
// CHECK: fixup A - offset: 2, value: foo-5, kind: reloc_riprel_4byte
movw $12, foo(%rip)
// CHECK: movw $12, foo(%rip)
// CHECK: encoding: [0x66,0xc7,0x05,A,A,A,A,0x0c,0x00]
// CHECK: fixup A - offset: 3, value: foo-6, kind: reloc_riprel_4byte
movl $12, foo(%rip)
// CHECK: movl $12, foo(%rip)
// CHECK: encoding: [0xc7,0x05,A,A,A,A,0x0c,0x00,0x00,0x00]
// CHECK: fixup A - offset: 2, value: foo-8, kind: reloc_riprel_4byte
movq $12, foo(%rip)
// CHECK: movq $12, foo(%rip)
// CHECK: encoding: [0x48,0xc7,0x05,A,A,A,A,0x0c,0x00,0x00,0x00]
// CHECK: fixup A - offset: 3, value: foo-8, kind: reloc_riprel_4byte
// CHECK: addq $-424, %rax
// CHECK: encoding: [0x48,0x05,0x58,0xfe,0xff,0xff]
addq $-424, %rax
// CHECK: movq _foo@GOTPCREL(%rip), %rax
// CHECK: encoding: [0x48,0x8b,0x05,A,A,A,A]
// CHECK: fixup A - offset: 3, value: _foo@GOTPCREL-4, kind: reloc_riprel_4byte_movq_load
movq _foo@GOTPCREL(%rip), %rax
// CHECK: movq _foo@GOTPCREL(%rip), %r14
// CHECK: encoding: [0x4c,0x8b,0x35,A,A,A,A]
// CHECK: fixup A - offset: 3, value: _foo@GOTPCREL-4, kind: reloc_riprel_4byte_movq_load
movq _foo@GOTPCREL(%rip), %r14
// CHECK: movq (%r13,%rax,8), %r13
// CHECK: encoding: [0x4d,0x8b,0x6c,0xc5,0x00]
movq 0x00(%r13,%rax,8),%r13
// CHECK: testq %rax, %rbx
// CHECK: encoding: [0x48,0x85,0xd8]
testq %rax, %rbx
// CHECK: cmpq %rbx, %r14
// CHECK: encoding: [0x49,0x39,0xde]
cmpq %rbx, %r14
// rdar://7947167
movsq
// CHECK: movsq
// CHECK: encoding: [0x48,0xa5]
movsl
// CHECK: movsl
// CHECK: encoding: [0xa5]
stosq
// CHECK: stosq
// CHECK: encoding: [0x48,0xab]
stosl
// CHECK: stosl
// CHECK: encoding: [0xab]
// Not moffset forms of moves, they are x86-32 only! rdar://7947184
movb 0, %al // CHECK: movb 0, %al # encoding: [0x8a,0x04,0x25,0x00,0x00,0x00,0x00]
movw 0, %ax // CHECK: movw 0, %ax # encoding: [0x66,0x8b,0x04,0x25,0x00,0x00,0x00,0x00]
movl 0, %eax // CHECK: movl 0, %eax # encoding: [0x8b,0x04,0x25,0x00,0x00,0x00,0x00]
// CHECK: pushfq # encoding: [0x9c]
pushf
// CHECK: pushfq # encoding: [0x9c]
pushfq
// CHECK: popfq # encoding: [0x9d]
popf
// CHECK: popfq # encoding: [0x9d]
popfq
// CHECK: movabsq $-281474976710654, %rax
// CHECK: encoding: [0x48,0xb8,0x02,0x00,0x00,0x00,0x00,0x00,0xff,0xff]
movabsq $0xFFFF000000000002, %rax
// CHECK: movabsq $-281474976710654, %rax
// CHECK: encoding: [0x48,0xb8,0x02,0x00,0x00,0x00,0x00,0x00,0xff,0xff]
movq $0xFFFF000000000002, %rax
// CHECK: movq $-65536, %rax
// CHECK: encoding: [0x48,0xc7,0xc0,0x00,0x00,0xff,0xff]
movq $0xFFFFFFFFFFFF0000, %rax
// CHECK: movq $-256, %rax
// CHECK: encoding: [0x48,0xc7,0xc0,0x00,0xff,0xff,0xff]
movq $0xFFFFFFFFFFFFFF00, %rax
// CHECK: movq $10, %rax
// CHECK: encoding: [0x48,0xc7,0xc0,0x0a,0x00,0x00,0x00]
movq $10, %rax
// rdar://8014869
//
// CHECK: ret
// CHECK: encoding: [0xc3]
retq
// CHECK: sete %al
// CHECK: encoding: [0x0f,0x94,0xc0]
setz %al
// CHECK: setne %al
// CHECK: encoding: [0x0f,0x95,0xc0]
setnz %al
// CHECK: je 0
// CHECK: encoding: [0x74,A]
jz 0
// CHECK: jne
// CHECK: encoding: [0x75,A]
jnz 0
// rdar://8017515
btq $0x01,%rdx
// CHECK: btq $1, %rdx
// CHECK: encoding: [0x48,0x0f,0xba,0xe2,0x01]
//rdar://8017633
// CHECK: movzbl %al, %esi
// CHECK: encoding: [0x0f,0xb6,0xf0]
movzx %al, %esi
// CHECK: movzbq %al, %rsi
// CHECK: encoding: [0x48,0x0f,0xb6,0xf0]
movzx %al, %rsi
// CHECK: movsbw %al, %ax
// CHECK: encoding: [0x66,0x0f,0xbe,0xc0]
movsx %al, %ax
// CHECK: movsbl %al, %eax
// CHECK: encoding: [0x0f,0xbe,0xc0]
movsx %al, %eax
// CHECK: movswl %ax, %eax
// CHECK: encoding: [0x0f,0xbf,0xc0]
movsx %ax, %eax
// CHECK: movsbq %bl, %rax
// CHECK: encoding: [0x48,0x0f,0xbe,0xc3]
movsx %bl, %rax
// CHECK: movswq %cx, %rax
// CHECK: encoding: [0x48,0x0f,0xbf,0xc1]
movsx %cx, %rax
// CHECK: movslq %edi, %rax
// CHECK: encoding: [0x48,0x63,0xc7]
movsx %edi, %rax
// CHECK: movzbw %al, %ax
// CHECK: encoding: [0x66,0x0f,0xb6,0xc0]
movzx %al, %ax
// CHECK: movzbl %al, %eax
// CHECK: encoding: [0x0f,0xb6,0xc0]
movzx %al, %eax
// CHECK: movzwl %ax, %eax
// CHECK: encoding: [0x0f,0xb7,0xc0]
movzx %ax, %eax
// CHECK: movzbq %bl, %rax
// CHECK: encoding: [0x48,0x0f,0xb6,0xc3]
movzx %bl, %rax
// CHECK: movzwq %cx, %rax
// CHECK: encoding: [0x48,0x0f,0xb7,0xc1]
movzx %cx, %rax
// CHECK: movsbw (%rax), %ax
// CHECK: encoding: [0x66,0x0f,0xbe,0x00]
movsx (%rax), %ax
// CHECK: movzbw (%rax), %ax
// CHECK: encoding: [0x66,0x0f,0xb6,0x00]
movzx (%rax), %ax
// rdar://7873482
// CHECK: [0x65,0x8b,0x04,0x25,0x7c,0x00,0x00,0x00]
movl %gs:124, %eax
// CHECK: jmpq *8(%rax)
// CHECK: encoding: [0xff,0x60,0x08]
jmp *8(%rax)
// CHECK: btq $61, -216(%rbp)
// CHECK: encoding: [0x48,0x0f,0xba,0xa5,0x28,0xff,0xff,0xff,0x3d]
btq $61, -216(%rbp)
// rdar://8061602
L1:
jecxz L1
// CHECK: jecxz L1
// CHECK: encoding: [0x67,0xe3,A]
jrcxz L1
// CHECK: jrcxz L1
// CHECK: encoding: [0xe3,A]
// PR8061
xchgl 368(%rax),%ecx
// CHECK: xchgl %ecx, 368(%rax)
xchgl %ecx, 368(%rax)
// CHECK: xchgl %ecx, 368(%rax)
// rdar://8407548
xchg 0xdeadbeef(%rbx,%rcx,8),%bl
// CHECK: xchgb %bl, 3735928559(%rbx,%rcx,8)
// PR7254
lock incl 1(%rsp)
// CHECK: lock
// CHECK: incl 1(%rsp)
// rdar://8033482
rep movsl
// CHECK: rep
// CHECK: encoding: [0xf3]
// CHECK: movsl
// CHECK: encoding: [0xa5]
// rdar://8403974
iret
// CHECK: iretl
// CHECK: encoding: [0xcf]
iretw
// CHECK: iretw
// CHECK: encoding: [0x66,0xcf]
iretl
// CHECK: iretl
// CHECK: encoding: [0xcf]
iretq
// CHECK: iretq
// CHECK: encoding: [0x48,0xcf]
// rdar://8416805
// CHECK: retw $31438
// CHECK: encoding: [0x66,0xc2,0xce,0x7a]
retw $0x7ace
// CHECK: lretw $31438
// CHECK: encoding: [0x66,0xca,0xce,0x7a]
lretw $0x7ace
// PR8592
lretq // CHECK: lretq # encoding: [0x48,0xcb]
lretl // CHECK: lretl # encoding: [0xcb]
lret // CHECK: lretl # encoding: [0xcb]
// rdar://8403907
sysret
// CHECK: sysretl
// CHECK: encoding: [0x0f,0x07]
sysretl
// CHECK: sysretl
// CHECK: encoding: [0x0f,0x07]
sysretq
// CHECK: sysretq
// CHECK: encoding: [0x48,0x0f,0x07]
// rdar://8407242
push %fs
// CHECK: pushq %fs
// CHECK: encoding: [0x0f,0xa0]
push %gs
// CHECK: pushq %gs
// CHECK: encoding: [0x0f,0xa8]
pushw %fs
// CHECK: pushw %fs
// CHECK: encoding: [0x66,0x0f,0xa0]
pushw %gs
// CHECK: pushw %gs
// CHECK: encoding: [0x66,0x0f,0xa8]
pop %fs
// CHECK: popq %fs
// CHECK: encoding: [0x0f,0xa1]
pop %gs
// CHECK: popq %gs
// CHECK: encoding: [0x0f,0xa9]
popw %fs
// CHECK: popw %fs
// CHECK: encoding: [0x66,0x0f,0xa1]
popw %gs
// CHECK: popw %gs
// CHECK: encoding: [0x66,0x0f,0xa9]
// rdar://8438816
fildq -8(%rsp)
fildll -8(%rsp)
// CHECK: fildll -8(%rsp)
// CHECK: encoding: [0xdf,0x6c,0x24,0xf8]
// CHECK: fildll -8(%rsp)
// CHECK: encoding: [0xdf,0x6c,0x24,0xf8]
// CHECK: callq a
callq a
// CHECK: leaq -40(%rbp), %r15
leaq -40(%rbp), %r15
// rdar://8013734 - Alias dr6=db6
mov %dr6, %rax
mov %db6, %rax
// CHECK: movq %dr6, %rax
// CHECK: movq %dr6, %rax
// INC/DEC encodings.
incb %al // CHECK: incb %al # encoding: [0xfe,0xc0]
incw %ax // CHECK: incw %ax # encoding: [0x66,0xff,0xc0]
incl %eax // CHECK: incl %eax # encoding: [0xff,0xc0]
decb %al // CHECK: decb %al # encoding: [0xfe,0xc8]
decw %ax // CHECK: decw %ax # encoding: [0x66,0xff,0xc8]
decl %eax // CHECK: decl %eax # encoding: [0xff,0xc8]
// rdar://8416805
// CHECK: lgdt 4(%rax)
// CHECK: encoding: [0x0f,0x01,0x50,0x04]
lgdt 4(%rax)
// CHECK: lgdt 4(%rax)
// CHECK: encoding: [0x0f,0x01,0x50,0x04]
lgdtq 4(%rax)
// CHECK: lidt 4(%rax)
// CHECK: encoding: [0x0f,0x01,0x58,0x04]
lidt 4(%rax)
// CHECK: lidt 4(%rax)
// CHECK: encoding: [0x0f,0x01,0x58,0x04]
lidtq 4(%rax)
// CHECK: sgdt 4(%rax)
// CHECK: encoding: [0x0f,0x01,0x40,0x04]
sgdt 4(%rax)
// CHECK: sgdt 4(%rax)
// CHECK: encoding: [0x0f,0x01,0x40,0x04]
sgdtq 4(%rax)
// CHECK: sidt 4(%rax)
// CHECK: encoding: [0x0f,0x01,0x48,0x04]
sidt 4(%rax)
// CHECK: sidt 4(%rax)
// CHECK: encoding: [0x0f,0x01,0x48,0x04]
sidtq 4(%rax)
// rdar://8208615
mov (%rsi), %gs // CHECK: movl (%rsi), %gs # encoding: [0x8e,0x2e]
mov %gs, (%rsi) // CHECK: movl %gs, (%rsi) # encoding: [0x8c,0x2e]
// rdar://8431864
div %bl,%al
div %bx,%ax
div %ecx,%eax
div 0xdeadbeef(%ebx,%ecx,8),%eax
div 0x45,%eax
div 0x7eed,%eax
div 0xbabecafe,%eax
div 0x12345678,%eax
idiv %bl,%al
idiv %bx,%ax
idiv %ecx,%eax
idiv 0xdeadbeef(%ebx,%ecx,8),%eax
idiv 0x45,%eax
idiv 0x7eed,%eax
idiv 0xbabecafe,%eax
idiv 0x12345678,%eax
// PR8524
movd %rax, %mm5 // CHECK: movd %rax, %mm5 # encoding: [0x48,0x0f,0x6e,0xe8]
movd %mm5, %rbx // CHECK: movd %mm5, %rbx # encoding: [0x48,0x0f,0x7e,0xeb]
movq %rax, %mm5 // CHECK: movd %rax, %mm5 # encoding: [0x48,0x0f,0x6e,0xe8]
movq %mm5, %rbx // CHECK: movd %mm5, %rbx # encoding: [0x48,0x0f,0x7e,0xeb]
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