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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [opcodes/] [i386-opc.tbl] - Rev 18

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// i386 opcode table.
// Copyright 2007, 2008, 2009, 2010
// Free Software Foundation, Inc.
//
// This file is part of the GNU opcodes library.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// It is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
// License for more details.
//
// You should have received a copy of the GNU General Public License
// along with GAS; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
// 02110-1301, USA.

// Move instructions.
// We put the 64bit displacement first and we only mark constants
// larger than 32bit as Disp64.
mov, 2, 0xa0, None, 1, Cpu64, D|W|CheckRegSize|No_sSuf|No_ldSuf, { Disp64|Unspecified|Byte|Word|Dword|Qword, Acc|Byte|Word|Dword|Qword }
mov, 2, 0xa0, None, 1, CpuNo64, D|W|CheckRegSize|No_sSuf|No_qSuf|No_ldSuf, { Disp16|Disp32|Unspecified|Byte|Word|Dword, Acc|Byte|Word|Dword }
mov, 2, 0x88, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
// In the 64bit mode the short form mov immediate is redefined to have
// 64bit value.
mov, 2, 0xb0, None, 1, 0, W|CheckRegSize|ShortForm|No_sSuf|No_qSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32 }
mov, 2, 0xc6, 0x0, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
mov, 2, 0xb0, None, 1, Cpu64, W|ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf, { Imm64, Reg64 }
// The segment register moves accept WordReg so that a segment register
// can be copied to a 32 bit register, and vice versa, without using a
// size prefix.  When moving to a 32 bit register, the upper 16 bits
// are set to an implementation defined value (on the Pentium Pro, the
// implementation defined value is zero).
mov, 2, 0x8c, None, 1, 0, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { SReg2, Reg16|Reg32|Reg64|RegMem }
mov, 2, 0x8c, None, 1, 0, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { SReg2, Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
mov, 2, 0x8c, None, 1, Cpu386, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { SReg3, Reg16|Reg32|Reg64|RegMem }
mov, 2, 0x8c, None, 1, Cpu386, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { SReg3, Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
mov, 2, 0x8e, None, 1, 0, Modrm|IgnoreSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32|Reg64, SReg2 }
mov, 2, 0x8e, None, 1, 0, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, SReg2 }
mov, 2, 0x8e, None, 1, Cpu386, Modrm|IgnoreSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32|Reg64, SReg3 }
mov, 2, 0x8e, None, 1, Cpu386, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, SReg3 }
// Move to/from control debug registers.  In the 16 or 32bit modes
// they are 32bit.  In the 64bit mode they are 64bit.
mov, 2, 0xf20, None, 2, Cpu386|CpuNo64, D|Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf, { Control, Reg32|RegMem }
mov, 2, 0xf20, None, 2, Cpu64, D|Modrm|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Control, Reg64|RegMem }
mov, 2, 0xf21, None, 2, Cpu386|CpuNo64, D|Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf, { Debug, Reg32|RegMem }
mov, 2, 0xf21, None, 2, Cpu64, D|Modrm|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Debug, Reg64|RegMem }
mov, 2, 0xf24, None, 2, Cpu386|CpuNo64, D|Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf, { Test, Reg32|RegMem }
movabs, 2, 0xa0, None, 1, Cpu64, D|W|CheckRegSize|No_sSuf|No_ldSuf, { Disp64|Unspecified|Byte|Word|Dword|Qword, Acc|Byte|Word|Dword|Qword }
movabs, 2, 0xb0, None, 1, Cpu64, W|ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf, { Imm64, Reg64 }

// Move after swapping the bytes
movbe, 2, 0x0f38f0, None, 3, CpuMovbe, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
movbe, 2, 0x0f38f1, None, 3, CpuMovbe, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64, Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// Move with sign extend.
// "movsbl" & "movsbw" must not be unified into "movsb" to avoid
// conflict with the "movs" string move instruction.
movsbl, 2, 0xfbe, None, 2, Cpu386, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg32 }
movsbw, 2, 0xfbe, None, 2, Cpu386, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16 }
movswl, 2, 0xfbf, None, 2, Cpu386, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg32 }
movsbq, 2, 0xfbe, None, 2, Cpu64, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Rex64, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp32|Disp32S, Reg64 }
movswq, 2, 0xfbf, None, 2, Cpu64, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Rex64, { Reg16|Word|Unspecified|BaseIndex|Disp8|Disp32|Disp32S, Reg64 }
movslq, 2, 0x63, None, 1, Cpu64, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Rex64, { Reg32|Dword|Unspecified|BaseIndex|Disp8|Disp32|Disp32S, Reg64 }
// Intel Syntax next 3 insns
movsx, 2, 0xfbe, None, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTSyntax, { Reg8|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
movsx, 2, 0xfbf, None, 2, Cpu386, Modrm|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTSyntax, { Reg16|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg32|Reg64 }
movsx, 2, 0x63, None, 1, Cpu64, Modrm|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf|Rex64|ATTSyntax, { Reg32|Unspecified|BaseIndex|Disp8|Disp32|Disp32S, Reg64 }
movsx, 2, 0xfbe, None, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IntelSyntax, { Reg8|Byte|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
movsx, 2, 0xfbf, None, 2, Cpu386, Modrm|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IntelSyntax, { Reg16|Word|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg32|Reg64 }
movsx, 2, 0x63, None, 1, Cpu64, Modrm|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf|Rex64|IntelSyntax, { Reg32|Dword|BaseIndex|Disp8|Disp32|Disp32S, Reg64 }
movsxd, 2, 0x63, None, 1, Cpu64, Modrm|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf|Rex64, { Reg32|Dword|Unspecified|BaseIndex|Disp8|Disp32|Disp32S, Reg64 }

// Move with zero extend.  We can't remove "movzb" since existing
// assembly codes may use it.
movzb, 2, 0xfb6, None, 2, Cpu386, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
// "movzbl" & "movzbw" should not be unified into "movzb" for
// consistency with the sign extending moves above.
movzbl, 2, 0xfb6, None, 2, Cpu386, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg32 }
movzbw, 2, 0xfb6, None, 2, Cpu386, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16 }
movzwl, 2, 0xfb7, None, 2, Cpu386, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg32 }
// These instructions are not particulary useful, since the zero extend
// 32->64 is implicit, but we can encode them.
movzbq, 2, 0xfb6, None, 2, Cpu64, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Rex64, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp32|Disp32S, Reg64 }
movzwq, 2, 0xfb7, None, 2, Cpu64, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Rex64, { Reg16|Word|Unspecified|BaseIndex|Disp8|Disp32|Disp32S, Reg64 }
// Intel Syntax next 2 insns (the 64-bit variants are not particulary
// useful since the zero extend 32->64 is implicit, but we can encode them).
movzx, 2, 0xfb6, None, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTSyntax, { Reg8|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
movzx, 2, 0xfb7, None, 2, Cpu386, Modrm|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTSyntax, { Reg16|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg32|Reg64 }
movzx, 2, 0xfb6, None, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IntelSyntax, { Reg8|Byte|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
movzx, 2, 0xfb7, None, 2, Cpu386, Modrm|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IntelSyntax, { Reg16|Word|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg32|Reg64 }

// Push instructions.
push, 1, 0x50, None, 1, CpuNo64, ShortForm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32 }
push, 1, 0xff, 0x6, 1, CpuNo64, Modrm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32|Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32 }
push, 1, 0x6a, None, 1, Cpu186|CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm8S }
push, 1, 0x68, None, 1, Cpu186|CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16|Imm32 }
push, 1, 0x6, None, 1, CpuNo64, ShortForm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { SReg2 }
push, 1, 0xfa0, None, 2, Cpu386|CpuNo64, ShortForm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { SReg3 }
// In 64bit mode, the operand size is implicitly 64bit.
push, 1, 0x50, None, 1, Cpu64, ShortForm|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Reg16|Reg64 }
push, 1, 0xff, 0x6, 1, Cpu64, Modrm|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Reg16|Reg64|Word|Qword|Unspecified|BaseIndex|Disp8|Disp32|Disp32S }
push, 1, 0x6a, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Imm8S }
push, 1, 0x68, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Imm16|Imm32S }
push, 1, 0xfa0, None, 2, Cpu64, ShortForm|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { SReg3 }

pusha, 0, 0x60, None, 1, Cpu186|CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// Pop instructions.
pop, 1, 0x58, None, 1, CpuNo64, ShortForm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32 }
pop, 1, 0x8f, 0x0, 1, CpuNo64, Modrm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32|Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32 }
pop, 1, 0x7, None, 1, CpuNo64, ShortForm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { SReg2 }
pop, 1, 0xfa1, None, 2, Cpu386|CpuNo64, ShortForm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { SReg3 }
// In 64bit mode, the operand size is implicitly 64bit.
pop, 1, 0x58, None, 1, Cpu64, ShortForm|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Reg16|Reg64 }
pop, 1, 0x8f, 0x0, 1, Cpu64, Modrm|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Reg16|Reg64|Word|Qword|Unspecified|BaseIndex|Disp8|Disp32|Disp32S }
pop, 1, 0xfa1, None, 2, Cpu64, ShortForm|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { SReg3 }

popa, 0, 0x61, None, 1, Cpu186|CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// Exchange instructions.
// xchg commutes:  we allow both operand orders.

// In the 64bit code, xchg rax, rax is reused for new nop instruction.
xchg, 2, 0x90, None, 1, 0, ShortForm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64, Acc|Word|Dword|Qword }
xchg, 2, 0x90, None, 1, 0, ShortForm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Acc|Word|Dword|Qword, Reg16|Reg32|Reg64 }
xchg, 2, 0x86, None, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
xchg, 2, 0x86, None, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg8|Reg16|Reg32|Reg64 }

// In/out from ports.
in, 2, 0xe4, None, 1, 0, W|CheckRegSize|No_sSuf|No_qSuf|No_ldSuf, { Imm8, Acc|Byte|Word|Dword }
in, 2, 0xec, None, 1, 0, W|CheckRegSize|No_sSuf|No_qSuf|No_ldSuf, { InOutPortReg, Acc|Byte|Word|Dword }
in, 1, 0xe4, None, 1, 0, W|No_sSuf|No_qSuf|No_ldSuf, { Imm8 }
in, 1, 0xec, None, 1, 0, W|No_sSuf|No_qSuf|No_ldSuf, { InOutPortReg }
out, 2, 0xe6, None, 1, 0, W|CheckRegSize|No_sSuf|No_qSuf|No_ldSuf, { Acc|Byte|Word|Dword, Imm8 }
out, 2, 0xee, None, 1, 0, W|CheckRegSize|No_sSuf|No_qSuf|No_ldSuf, { Acc|Byte|Word|Dword, InOutPortReg }
out, 1, 0xe6, None, 1, 0, W|No_sSuf|No_qSuf|No_ldSuf, { Imm8 }
out, 1, 0xee, None, 1, 0, W|No_sSuf|No_qSuf|No_ldSuf, { InOutPortReg }

// Load effective address.
lea, 2, 0x8d, None, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Anysize|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }

// Load segment registers from memory.
lds, 2, 0xc5, None, 1, CpuNo64, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { DWord|Fword|Unspecified|BaseIndex|Disp8|Disp16|Disp32, Reg16|Reg32 }
les, 2, 0xc4, None, 1, CpuNo64, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { DWord|Fword|Unspecified|BaseIndex|Disp8|Disp16|Disp32, Reg16|Reg32 }
lfs, 2, 0xfb4, None, 2, Cpu386, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { DWord|Fword|Tbyte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
lgs, 2, 0xfb5, None, 2, Cpu386, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { DWord|Fword|Tbyte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
lss, 2, 0xfb2, None, 2, Cpu386, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { DWord|Fword|Tbyte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }

// Flags register instructions.
clc, 0, 0xf8, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cld, 0, 0xfc, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cli, 0, 0xfa, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
clts, 0, 0xf06, None, 2, Cpu286, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cmc, 0, 0xf5, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
lahf, 0, 0x9f, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
sahf, 0, 0x9e, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
pushf, 0, 0x9c, None, 1, CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
pushf, 0, 0x9c, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { 0 }
popf, 0, 0x9d, None, 1, CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
popf, 0, 0x9d, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { 0 }
stc, 0, 0xf9, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
std, 0, 0xfd, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
sti, 0, 0xfb, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// Arithmetic.
add, 2, 0x0, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
add, 2, 0x83, 0x0, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
add, 2, 0x4, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword }
add, 2, 0x80, 0x0, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

inc, 1, 0x40, None, 1, CpuNo64, ShortForm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32 }
inc, 1, 0xfe, 0x0, 1, 0, W|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

sub, 2, 0x28, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sub, 2, 0x83, 0x5, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sub, 2, 0x2c, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword }
sub, 2, 0x80, 0x5, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

dec, 1, 0x48, None, 1, CpuNo64, ShortForm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32 }
dec, 1, 0xfe, 0x1, 1, 0, W|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

sbb, 2, 0x18, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sbb, 2, 0x83, 0x3, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sbb, 2, 0x1c, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword }
sbb, 2, 0x80, 0x3, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

cmp, 2, 0x38, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
cmp, 2, 0x83, 0x7, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
cmp, 2, 0x3c, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword }
cmp, 2, 0x80, 0x7, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

test, 2, 0x84, None, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Unspecified|Byte|Word|Dword|Qword|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
test, 2, 0x84, None, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg8|Reg16|Reg32|Reg64 }
test, 2, 0xa8, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword }
test, 2, 0xf6, 0x0, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

and, 2, 0x20, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
and, 2, 0x83, 0x4, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
and, 2, 0x24, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword }
and, 2, 0x80, 0x4, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

or, 2, 0x8, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
or, 2, 0x83, 0x1, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
or, 2, 0xc, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword }
or, 2, 0x80, 0x1, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

xor, 2, 0x30, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
xor, 2, 0x83, 0x6, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
xor, 2, 0x34, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword }
xor, 2, 0x80, 0x6, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// clr with 1 operand is really xor with 2 operands.
clr, 1, 0x30, None, 1, 0, W|Modrm|No_sSuf|No_ldSuf|RegKludge, { Reg8|Reg16|Reg32|Reg64 }

adc, 2, 0x10, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
adc, 2, 0x83, 0x2, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
adc, 2, 0x14, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword }
adc, 2, 0x80, 0x2, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

neg, 1, 0xf6, 0x3, 1, 0, W|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
not, 1, 0xf6, 0x2, 1, 0, W|Modrm|No_sSuf|No_ldSuf|IsLockable, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

aaa, 0, 0x37, None, 1, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
aas, 0, 0x3f, None, 1, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
daa, 0, 0x27, None, 1, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
das, 0, 0x2f, None, 1, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
aad, 0, 0xd50a, None, 2, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
aad, 1, 0xd5, None, 1, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm8 }
aam, 0, 0xd40a, None, 2, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
aam, 1, 0xd4, None, 1, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm8 }

// Conversion insns.
// Intel naming
cbw, 0, 0x98, None, 1, 0, Size16|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cdqe, 0, 0x98, None, 1, Cpu64, Size64|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cwde, 0, 0x98, None, 1, 0, Size32|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cwd, 0, 0x99, None, 1, 0, Size16|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cdq, 0, 0x99, None, 1, 0, Size32|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cqo, 0, 0x99, None, 1, Cpu64, Size64|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
// AT&T naming
cbtw, 0, 0x98, None, 1, 0, Size16|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cltq, 0, 0x98, None, 1, Cpu64, Size64|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cwtl, 0, 0x98, None, 1, 0, Size32|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cwtd, 0, 0x99, None, 1, 0, Size16|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cltd, 0, 0x99, None, 1, 0, Size32|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
cqto, 0, 0x99, None, 1, Cpu64, Size64|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// Warning! the mul/imul (opcode 0xf6) must only have 1 operand!  They are
// expanding 64-bit multiplies, and *cannot* be selected to accomplish
// 'imul %ebx, %eax' (opcode 0x0faf must be used in this case)
// These multiplies can only be selected with single operand forms.
mul, 1, 0xf6, 0x4, 1, 0, W|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
imul, 1, 0xf6, 0x5, 1, 0, W|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
imul, 2, 0xfaf, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64|Unspecified|Word|Dword|Qword|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
imul, 3, 0x6b, None, 1, Cpu186, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
imul, 3, 0x69, None, 1, Cpu186, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Imm16|Imm32|Imm32S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
// imul with 2 operands mimics imul with 3 by putting the register in
// both i.rm.reg & i.rm.regmem fields.  RegKludge enables this
// transformation.
imul, 2, 0x6b, None, 1, Cpu186, Modrm|No_bSuf|No_sSuf|No_ldSuf|RegKludge, { Imm8S, Reg16|Reg32|Reg64 }
imul, 2, 0x69, None, 1, Cpu186, Modrm|No_bSuf|No_sSuf|No_ldSuf|RegKludge, { Imm16|Imm32|Imm32S, Reg16|Reg32|Reg64 }

div, 1, 0xf6, 0x6, 1, 0, W|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
div, 2, 0xf6, 0x6, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Acc|Byte|Word|Dword|Qword }
idiv, 1, 0xf6, 0x7, 1, 0, W|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
idiv, 2, 0xf6, 0x7, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Acc|Byte|Word|Dword|Qword }

rol, 2, 0xd0, 0x0, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm1, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
rol, 2, 0xc0, 0x0, 1, Cpu186, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
rol, 2, 0xd2, 0x0, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { ShiftCount, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
rol, 1, 0xd0, 0x0, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

ror, 2, 0xd0, 0x1, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm1, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
ror, 2, 0xc0, 0x1, 1, Cpu186, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
ror, 2, 0xd2, 0x1, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { ShiftCount, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
ror, 1, 0xd0, 0x1, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

rcl, 2, 0xd0, 0x2, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm1, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
rcl, 2, 0xc0, 0x2, 1, Cpu186, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
rcl, 2, 0xd2, 0x2, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { ShiftCount, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
rcl, 1, 0xd0, 0x2, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

rcr, 2, 0xd0, 0x3, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm1, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
rcr, 2, 0xc0, 0x3, 1, Cpu186, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
rcr, 2, 0xd2, 0x3, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { ShiftCount, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
rcr, 1, 0xd0, 0x3, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

sal, 2, 0xd0, 0x4, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm1, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sal, 2, 0xc0, 0x4, 1, Cpu186, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sal, 2, 0xd2, 0x4, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { ShiftCount, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sal, 1, 0xd0, 0x4, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

shl, 2, 0xd0, 0x4, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm1, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shl, 2, 0xc0, 0x4, 1, Cpu186, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shl, 2, 0xd2, 0x4, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { ShiftCount, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shl, 1, 0xd0, 0x4, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

shr, 2, 0xd0, 0x5, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm1, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shr, 2, 0xc0, 0x5, 1, Cpu186, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shr, 2, 0xd2, 0x5, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { ShiftCount, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shr, 1, 0xd0, 0x5, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

sar, 2, 0xd0, 0x7, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm1, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sar, 2, 0xc0, 0x7, 1, Cpu186, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Imm8, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sar, 2, 0xd2, 0x7, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { ShiftCount, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sar, 1, 0xd0, 0x7, 1, 0, W|CheckRegSize|Modrm|No_sSuf|No_ldSuf, { Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

shld, 3, 0xfa4, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Imm8, Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shld, 3, 0xfa5, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { ShiftCount, Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shld, 2, 0xfa5, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

shrd, 3, 0xfac, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Imm8, Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shrd, 3, 0xfad, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { ShiftCount, Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
shrd, 2, 0xfad, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// Control transfer instructions.
call, 1, 0xe8, None, 1, CpuNo64, JumpDword|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp16|Disp32 }
call, 1, 0xe8, None, 1, Cpu64, JumpDword|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Disp16|Disp32 }
call, 1, 0xff, 0x2, 1, CpuNo64, Modrm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32|Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|JumpAbsolute }
call, 1, 0xff, 0x2, 1, Cpu64, Modrm|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Reg16|Reg64|Word|Qword|Unspecified|BaseIndex|Disp8|Disp32|Disp32S|JumpAbsolute }
// Intel Syntax
call, 2, 0x9a, None, 1, CpuNo64, JumpInterSegment|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16, Imm16|Imm32 }
// Intel Syntax
call, 1, 0xff, 0x3, 1, 0, Modrm|DefaultSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf, { Dword|Fword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|JumpAbsolute }
lcall, 2, 0x9a, None, 1, CpuNo64, JumpInterSegment|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16, Imm16|Imm32 }
lcall, 1, 0xff, 0x3, 1, 0, Modrm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|JumpAbsolute }

jmp, 1, 0xeb, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jmp, 1, 0xff, 0x4, 1, CpuNo64, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32|Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|JumpAbsolute }
jmp, 1, 0xff, 0x4, 1, Cpu64, Modrm|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Reg16|Reg64|Word|Qword|Unspecified|BaseIndex|Disp8|Disp32|Disp32S|JumpAbsolute }
// Intel Syntax.
jmp, 2, 0xea, None, 1, CpuNo64, JumpInterSegment|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16, Imm16|Imm32 }
// Intel Syntax.
jmp, 1, 0xff, 0x5, 1, 0, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf, { Dword|Fword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|JumpAbsolute }
ljmp, 2, 0xea, None, 1, CpuNo64, JumpInterSegment|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16, Imm16|Imm32 }
ljmp, 1, 0xff, 0x5, 1, 0, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|JumpAbsolute }

ret, 0, 0xc3, None, 1, CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
ret, 1, 0xc2, None, 1, CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16 }
ret, 0, 0xc3, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { 0 }
ret, 1, 0xc2, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Imm16 }
lret, 0, 0xcb, None, 1, 0, DefaultSize|No_bSuf|No_sSuf|No_ldSuf, { 0 }
lret, 1, 0xca, None, 1, 0, DefaultSize|No_bSuf|No_sSuf|No_ldSuf, { Imm16 }
// Intel Syntax.
retf, 0, 0xcb, None, 1, 0, DefaultSize|No_bSuf|No_sSuf|No_ldSuf, { 0 }
retf, 1, 0xca, None, 1, 0, DefaultSize|No_bSuf|No_sSuf|No_ldSuf, { Imm16 }

enter, 2, 0xc8, None, 1, Cpu186|CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16, Imm8 }
enter, 2, 0xc8, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Imm16, Imm8 }
leave, 0, 0xc9, None, 1, Cpu186|CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
leave, 0, 0xc9, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { 0 }

// Conditional jumps.
jo, 1, 0x70, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jno, 1, 0x71, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jb, 1, 0x72, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jc, 1, 0x72, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jnae, 1, 0x72, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jnb, 1, 0x73, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jnc, 1, 0x73, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jae, 1, 0x73, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
je, 1, 0x74, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jz, 1, 0x74, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jne, 1, 0x75, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jnz, 1, 0x75, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jbe, 1, 0x76, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jna, 1, 0x76, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jnbe, 1, 0x77, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
ja, 1, 0x77, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
js, 1, 0x78, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jns, 1, 0x79, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jp, 1, 0x7a, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jpe, 1, 0x7a, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jnp, 1, 0x7b, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jpo, 1, 0x7b, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jl, 1, 0x7c, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jnge, 1, 0x7c, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jnl, 1, 0x7d, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jge, 1, 0x7d, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jle, 1, 0x7e, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jng, 1, 0x7e, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jnle, 1, 0x7f, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }
jg, 1, 0x7f, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32|Disp32S }

// jcxz vs. jecxz is chosen on the basis of the address size prefix.
jcxz, 1, 0xe3, None, 1, CpuNo64, JumpByte|Size16|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32 }
jecxz, 1, 0xe3, None, 1, CpuNo64, JumpByte|Size32|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32 }
jecxz, 1, 0x67e3, None, 2, Cpu64, JumpByte|Size32|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp32|Disp32S }
jrcxz, 1, 0xe3, None, 1, Cpu64, JumpByte|Size64|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|NoRex64, { Disp8|Disp32|Disp32S }

// The loop instructions also use the address size prefix to select
// %cx rather than %ecx for the loop count, so the `w' form of these
// instructions emit an address size prefix rather than a data size
//  prefix.
loop, 1, 0xe2, None, 1, CpuNo64, JumpByte|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32 }
loop, 1, 0xe2, None, 1, Cpu64, JumpByte|No_bSuf|No_wSuf|No_sSuf|No_ldSuf|NoRex64, { Disp8|Disp32|Disp32S }
loopz, 1, 0xe1, None, 1, CpuNo64, JumpByte|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32 }
loopz, 1, 0xe1, None, 1, Cpu64, JumpByte|No_bSuf|No_wSuf|No_sSuf|No_ldSuf|NoRex64, { Disp8|Disp32|Disp32S }
loope, 1, 0xe1, None, 1, CpuNo64, JumpByte|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32 }
loope, 1, 0xe1, None, 1, Cpu64, JumpByte|No_bSuf|No_wSuf|No_sSuf|No_ldSuf|NoRex64, { Disp8|Disp32|Disp32S }
loopnz, 1, 0xe0, None, 1, CpuNo64, JumpByte|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32 }
loopnz, 1, 0xe0, None, 1, Cpu64, JumpByte|No_bSuf|No_wSuf|No_sSuf|No_ldSuf|NoRex64, { Disp8|Disp32|Disp32S }
loopne, 1, 0xe0, None, 1, CpuNo64, JumpByte|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp8|Disp16|Disp32 }
loopne, 1, 0xe0, None, 1, Cpu64, JumpByte|No_bSuf|No_wSuf|No_sSuf|No_ldSuf|NoRex64, { Disp8|Disp32|Disp32S }

// Set byte on flag instructions.
seto, 1, 0xf90, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setno, 1, 0xf91, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setb, 1, 0xf92, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setc, 1, 0xf92, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setnae, 1, 0xf92, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setnb, 1, 0xf93, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setnc, 1, 0xf93, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setae, 1, 0xf93, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sete, 1, 0xf94, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setz, 1, 0xf94, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setne, 1, 0xf95, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setnz, 1, 0xf95, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setbe, 1, 0xf96, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setna, 1, 0xf96, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setnbe, 1, 0xf97, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
seta, 1, 0xf97, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
sets, 1, 0xf98, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setns, 1, 0xf99, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setp, 1, 0xf9a, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setpe, 1, 0xf9a, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setnp, 1, 0xf9b, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setpo, 1, 0xf9b, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setl, 1, 0xf9c, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setnge, 1, 0xf9c, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setnl, 1, 0xf9d, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setge, 1, 0xf9d, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setle, 1, 0xf9e, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setng, 1, 0xf9e, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setnle, 1, 0xf9f, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
setg, 1, 0xf9f, 0x0, 2, Cpu386, Modrm|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg8|Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// String manipulation.
cmps, 0, 0xa6, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
cmps, 2, 0xa6, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg, Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
scmp, 0, 0xa6, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
scmp, 2, 0xa6, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg, Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
ins, 0, 0x6c, None, 1, Cpu186, W|No_sSuf|No_qSuf|No_ldSuf|IsString, { 0 }
ins, 2, 0x6c, None, 1, Cpu186, W|CheckRegSize|No_sSuf|No_qSuf|No_ldSuf|IsString, { InOutPortReg, Byte|Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg }
outs, 0, 0x6e, None, 1, Cpu186, W|No_sSuf|No_qSuf|No_ldSuf|IsString, { 0 }
outs, 2, 0x6e, None, 1, Cpu186, W|CheckRegSize|No_sSuf|No_qSuf|No_ldSuf|IsString, { Byte|Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, InOutPortReg }
lods, 0, 0xac, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
lods, 1, 0xac, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
lods, 2, 0xac, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Acc|Byte|Word|Dword|Qword }
slod, 0, 0xac, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
slod, 1, 0xac, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
slod, 2, 0xac, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Acc|Byte|Word|Dword|Qword }
movs, 0, 0xa4, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
movs, 2, 0xa4, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg }
smov, 0, 0xa4, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
smov, 2, 0xa4, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg }
scas, 0, 0xae, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
scas, 1, 0xae, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg }
scas, 2, 0xae, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg, Acc|Byte|Word|Dword|Qword }
ssca, 0, 0xae, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
ssca, 1, 0xae, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg }
ssca, 2, 0xae, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg, Acc|Byte|Word|Dword|Qword }
stos, 0, 0xaa, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
stos, 1, 0xaa, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg }
stos, 2, 0xaa, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Acc|Byte|Word|Dword|Qword, Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg }
ssto, 0, 0xaa, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { 0 }
ssto, 1, 0xaa, None, 1, 0, W|No_sSuf|No_ldSuf|IsString, { Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg }
ssto, 2, 0xaa, None, 1, 0, W|CheckRegSize|No_sSuf|No_ldSuf|IsString, { Acc|Byte|Word|Dword|Qword, Byte|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|EsSeg }
xlat, 0, 0xd7, None, 1, 0, No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsString, { 0 }
xlat, 1, 0xd7, None, 1, 0, No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsString, { Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// Bit manipulation.
bsf, 2, 0xfbc, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
bsr, 2, 0xfbd, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
bt, 2, 0xfa3, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
bt, 2, 0xfba, 0x4, 2, Cpu386, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Imm8, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
btc, 2, 0xfbb, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
btc, 2, 0xfba, 0x7, 2, Cpu386, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
btr, 2, 0xfb3, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
btr, 2, 0xfba, 0x6, 2, Cpu386, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
bts, 2, 0xfab, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Reg16|Reg32|Reg64, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
bts, 2, 0xfba, 0x5, 2, Cpu386, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable, { Imm8, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// Interrupts & op. sys insns.
// See gas/config/tc-i386.c for conversion of 'int $3' into the special
// int 3 insn.
int, 1, 0xcd, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm8 }
int3, 0, 0xcc, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
into, 0, 0xce, None, 1, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
iret, 0, 0xcf, None, 1, 0, DefaultSize|No_bSuf|No_sSuf|No_ldSuf, { 0 }
// i386sl, i486sl, later 486, and Pentium.
rsm, 0, 0xfaa, None, 2, Cpu386, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

bound, 2, 0x62, None, 1, Cpu186|CpuNo64, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Reg32, Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32 }

hlt, 0, 0xf4, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

nop, 1, 0xf1f, 0x0, 2, CpuNop, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// nop is actually "xchg %ax,%ax" in 16bit mode, "xchg %eax,%eax" in
// 32bit mode and "xchg %rax,%rax" in 64bit mode.
nop, 0, 0x90, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// Protection control.
arpl, 2, 0x63, None, 1, Cpu286|CpuNo64, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16, Reg16|Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32 }
lar, 2, 0xf02, None, 2, Cpu286, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
lgdt, 1, 0xf01, 0x2, 2, Cpu286|CpuNo64, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Tbyte|Fword|Unspecified|BaseIndex|Disp8|Disp16|Disp32 }
lgdt, 1, 0xf01, 0x2, 2, Cpu64, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Tbyte|Unspecified|BaseIndex|Disp8|Disp32|Disp32S }
lidt, 1, 0xf01, 0x3, 2, Cpu286|CpuNo64, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Fword|Unspecified|BaseIndex|Disp8|Disp16|Disp32 }
lidt, 1, 0xf01, 0x3, 2, Cpu64, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Tbyte|Unspecified|BaseIndex|Disp8|Disp32|Disp32S }
lldt, 1, 0xf00, 0x2, 2, Cpu286, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
lmsw, 1, 0xf01, 0x6, 2, Cpu286, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
lsl, 2, 0xf03, None, 2, Cpu286, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S, Reg16|Reg32|Reg64 }
ltr, 1, 0xf00, 0x3, 2, Cpu286, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

sgdt, 1, 0xf01, 0x0, 2, Cpu286|CpuNo64, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Fword|Unspecified|BaseIndex|Disp8|Disp16|Disp32 }
sgdt, 1, 0xf01, 0x0, 2, Cpu64, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Tbyte|Unspecified|BaseIndex|Disp8|Disp32|Disp32S }
sidt, 1, 0xf01, 0x1, 2, Cpu286|CpuNo64, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Fword|Unspecified|BaseIndex|Disp8|Disp16|Disp32 }
sidt, 1, 0xf01, 0x1, 2, Cpu64, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Tbyte|Unspecified|BaseIndex|Disp8|Disp32|Disp32S }
sldt, 1, 0xf00, 0x0, 2, Cpu286, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64 }
sldt, 1, 0xf00, 0x0, 2, Cpu286, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
smsw, 1, 0xf01, 0x4, 2, Cpu286, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64 }
smsw, 1, 0xf01, 0x4, 2, Cpu286, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
str, 1, 0xf00, 0x1, 2, Cpu286, Modrm|No_bSuf|No_sSuf|No_ldSuf, { Reg16|Reg32|Reg64 }
str, 1, 0xf00, 0x1, 2, Cpu286, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

verr, 1, 0xf00, 0x4, 2, Cpu286, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
verw, 1, 0xf00, 0x5, 2, Cpu286, Modrm|IgnoreSize|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg16|Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// Floating point instructions.

// load
fld, 1, 0xd9c0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
fld, 1, 0xd9, 0x0, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fld, 1, 0xd9c0, None, 2, CpuFP, ShortForm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh, { FloatReg }
// Intel Syntax
fld, 1, 0xdb, 0x5, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf, { Tbyte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fild, 1, 0xdf, 0x0, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fild, 1, 0xdf, 0x5, 1, CpuFP, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fildll, 1, 0xdf, 0x5, 1, CpuFP, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fldt, 1, 0xdb, 0x5, 1, CpuFP, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Tbyte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fbld, 1, 0xdf, 0x4, 1, CpuFP, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf, { Tbyte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// store (no pop)
fst, 1, 0xddd0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
fst, 1, 0xd9, 0x2, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fst, 1, 0xddd0, None, 2, CpuFP, ShortForm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh, { FloatReg }
fist, 1, 0xdf, 0x2, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// store (with pop)
fstp, 1, 0xddd8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
fstp, 1, 0xd9, 0x3, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fstp, 1, 0xddd8, None, 2, CpuFP, ShortForm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh, { FloatReg }
// Intel Syntax
fstp, 1, 0xdb, 0x7, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf, { Tbyte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fistp, 1, 0xdf, 0x3, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fistp, 1, 0xdf, 0x7, 1, CpuFP, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fistpll, 1, 0xdf, 0x7, 1, CpuFP, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fstpt, 1, 0xdb, 0x7, 1, CpuFP, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Tbyte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fbstp, 1, 0xdf, 0x6, 1, CpuFP, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf, { Tbyte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// exchange %st<n> with %st0
fxch, 1, 0xd9c8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
// alias for fxch %st(1)
fxch, 0, 0xd9c9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// comparison (without pop)
fcom, 1, 0xd8d0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
// alias for fcom %st(1)
fcom, 0, 0xd8d1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fcom, 1, 0xd8, 0x2, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fcom, 1, 0xd8d0, None, 2, CpuFP, ShortForm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh, { FloatReg }
ficom, 1, 0xde, 0x2, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

// comparison (with pop)
fcomp, 1, 0xd8d8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
// alias for fcomp %st(1)
fcomp, 0, 0xd8d9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fcomp, 1, 0xd8, 0x3, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fcomp, 1, 0xd8d8, None, 2, CpuFP, ShortForm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh, { FloatReg }
ficomp, 1, 0xde, 0x3, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fcompp, 0, 0xded9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// unordered comparison (with pop)
fucom, 1, 0xdde0, None, 2, Cpu387, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
// alias for fucom %st(1)
fucom, 0, 0xdde1, None, 2, Cpu387, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fucomp, 1, 0xdde8, None, 2, Cpu387, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
// alias for fucomp %st(1)
fucomp, 0, 0xdde9, None, 2, Cpu387, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fucompp, 0, 0xdae9, None, 2, Cpu387, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

ftst, 0, 0xd9e4, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fxam, 0, 0xd9e5, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// load constants into %st0
fld1, 0, 0xd9e8, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fldl2t, 0, 0xd9e9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fldl2e, 0, 0xd9ea, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fldpi, 0, 0xd9eb, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fldlg2, 0, 0xd9ec, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fldln2, 0, 0xd9ed, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fldz, 0, 0xd9ee, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// Arithmetic.

// add
fadd, 2, 0xd8c0, None, 2, CpuFP, ShortForm|FloatD|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg, FloatAcc }
// alias for fadd %st(i), %st
fadd, 1, 0xd8c0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
// alias for faddp
fadd, 0, 0xdec1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic, { 0 }
fadd, 1, 0xd8, 0x0, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fiadd, 1, 0xde, 0x0, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

faddp, 2, 0xdec0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatAcc, FloatReg }
faddp, 1, 0xdec0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
// alias for faddp %st, %st(1)
faddp, 0, 0xdec1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
faddp, 2, 0xdec0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh, { FloatReg, FloatAcc }

// subtract
fsub, 1, 0xd8e0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
fsub, 2, 0xd8e0, None, 2, CpuFP, ShortForm|FloatD|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatReg, FloatAcc }
// alias for fsubp
fsub, 0, 0xdee1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|ATTSyntax, { 0 }
fsub, 0, 0xdee9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic, { 0 }
fsub, 2, 0xd8e0, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm|FloatD|FloatR, { FloatReg, FloatAcc }
fsub, 1, 0xd8, 0x4, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fisub, 1, 0xde, 0x4, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

fsubp, 2, 0xdee0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatAcc, FloatReg }
fsubp, 1, 0xdee0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatReg }
fsubp, 0, 0xdee1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { 0 }
fsubp, 2, 0xdee0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|ATTSyntax|OldGcc, { FloatReg, FloatAcc }
fsubp, 2, 0xdee9, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|OldGcc, { FloatReg, FloatAcc }
fsubp, 2, 0xdee8, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm, { FloatAcc, FloatReg }
fsubp, 1, 0xdee8, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm, { FloatReg }
fsubp, 0, 0xdee9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// subtract reverse
fsubr, 1, 0xd8e8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
fsubr, 2, 0xd8e8, None, 2, CpuFP, ShortForm|FloatD|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatReg, FloatAcc }
// alias for fsubrp
fsubr, 0, 0xdee9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|ATTSyntax, { 0 }
fsubr, 0, 0xdee1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic, { 0 }
fsubr, 2, 0xd8e8, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm|FloatD|FloatR, { FloatReg, FloatAcc }
fsubr, 1, 0xd8, 0x5, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fisubr, 1, 0xde, 0x5, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

fsubrp, 2, 0xdee8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatAcc, FloatReg }
fsubrp, 1, 0xdee8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatReg }
fsubrp, 0, 0xdee9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { 0 }
fsubrp, 2, 0xdee8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|ATTSyntax|OldGcc, { FloatReg, FloatAcc }
fsubrp, 2, 0xdee0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|OldGcc, { FloatReg, FloatAcc }
fsubrp, 2, 0xdee0, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm, { FloatAcc, FloatReg }
fsubrp, 1, 0xdee0, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm, { FloatReg }
fsubrp, 0, 0xdee1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { 0 }

// multiply
fmul, 2, 0xd8c8, None, 2, CpuFP, ShortForm|FloatD|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg, FloatAcc }
fmul, 1, 0xd8c8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
// alias for fmulp
fmul, 0, 0xdec9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic, { 0 }
fmul, 1, 0xd8, 0x1, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fimul, 1, 0xde, 0x1, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

fmulp, 2, 0xdec8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatAcc, FloatReg }
fmulp, 1, 0xdec8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
fmulp, 0, 0xdec9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fmulp, 2, 0xdec8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh, { FloatReg, FloatAcc }

// divide
fdiv, 1, 0xd8f0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
fdiv, 2, 0xd8f0, None, 2, CpuFP, ShortForm|FloatD|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatReg, FloatAcc }
// alias for fdivp
fdiv, 0, 0xdef1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|ATTSyntax, { 0 }
fdiv, 0, 0xdef9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic, { 0 }
fdiv, 2, 0xd8f0, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm|FloatD|FloatR, { FloatReg, FloatAcc }
fdiv, 1, 0xd8, 0x6, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fidiv, 1, 0xde, 0x6, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

fdivp, 2, 0xdef0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatAcc, FloatReg }
fdivp, 1, 0xdef0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatReg }
fdivp, 0, 0xdef1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { 0 }
fdivp, 2, 0xdef0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|ATTSyntax|OldGcc, { FloatReg, FloatAcc }
fdivp, 2, 0xdef8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|OldGcc, { FloatReg, FloatAcc }
fdivp, 2, 0xdef8, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm, { FloatAcc, FloatReg }
fdivp, 1, 0xdef8, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm, { FloatReg }
fdivp, 0, 0xdef9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { 0 }

// divide reverse
fdivr, 1, 0xd8f8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
fdivr, 2, 0xd8f8, None, 2, CpuFP, ShortForm|FloatD|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatReg, FloatAcc }
// alias for fdivrp
fdivr, 0, 0xdef9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|ATTSyntax, { 0 }
fdivr, 0, 0xdef1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic, { 0 }
fdivr, 2, 0xd8f8, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm|FloatD|FloatR, { FloatReg, FloatAcc }
fdivr, 1, 0xd8, 0x7, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Dword|Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fidivr, 1, 0xde, 0x7, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }

fdivrp, 2, 0xdef8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatAcc, FloatReg }
fdivrp, 1, 0xdef8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { FloatReg }
fdivrp, 0, 0xdef9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTMnemonic|ATTSyntax, { 0 }
fdivrp, 2, 0xdef8, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|ATTSyntax|OldGcc, { FloatReg, FloatAcc }
fdivrp, 2, 0xdef0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Ugh|ATTMnemonic|OldGcc, { FloatReg, FloatAcc }
fdivrp, 2, 0xdef0, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm, { FloatAcc, FloatReg }
fdivrp, 1, 0xdef0, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf|ShortForm, { FloatReg }
fdivrp, 0, 0xdef1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf,    { 0 }

f2xm1, 0, 0xd9f0, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fyl2x, 0, 0xd9f1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fptan, 0, 0xd9f2, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fpatan, 0, 0xd9f3, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fxtract, 0, 0xd9f4, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fprem1, 0, 0xd9f5, None, 2, Cpu387, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fdecstp, 0, 0xd9f6, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fincstp, 0, 0xd9f7, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fprem, 0, 0xd9f8, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fyl2xp1, 0, 0xd9f9, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fsqrt, 0, 0xd9fa, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fsincos, 0, 0xd9fb, None, 2, Cpu387, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
frndint, 0, 0xd9fc, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fscale, 0, 0xd9fd, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fsin, 0, 0xd9fe, None, 2, Cpu387, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fcos, 0, 0xd9ff, None, 2, Cpu387, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fchs, 0, 0xd9e0, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fabs, 0, 0xd9e1, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// processor control
fninit, 0, 0xdbe3, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
finit, 0, 0xdbe3, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|FWait, { 0 }
fldcw, 1, 0xd9, 0x5, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fnstcw, 1, 0xd9, 0x7, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fstcw, 1, 0xd9, 0x7, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|FWait, { Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fnstsw, 1, 0xdfe0, None, 2, Cpu287|Cpu387, IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Acc|Word }
fnstsw, 1, 0xdd, 0x7, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fnstsw, 0, 0xdfe0, None, 2, Cpu287|Cpu387, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fstsw, 1, 0xdfe0, None, 2, Cpu287|Cpu387, IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|FWait, { Acc|Word }
fstsw, 1, 0xdd, 0x7, 1, CpuFP, Modrm|FloatMF|No_bSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|FWait, { word|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fstsw, 0, 0xdfe0, None, 2, Cpu287|Cpu387, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|FWait, { 0 }
fnclex, 0, 0xdbe2, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fclex, 0, 0xdbe2, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|FWait, { 0 }
// Short forms of fldenv, fstenv use data size prefix.
fnstenv, 1, 0xd9, 0x6, 1, CpuFP, Modrm|DefaultSize|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fstenv, 1, 0xd9, 0x6, 1, CpuFP, Modrm|DefaultSize|No_bSuf|No_wSuf|No_qSuf|No_ldSuf|FWait, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fldenv, 1, 0xd9, 0x4, 1, CpuFP, Modrm|DefaultSize|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fnsave, 1, 0xdd, 0x6, 1, CpuFP, Modrm|DefaultSize|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
fsave, 1, 0xdd, 0x6, 1, CpuFP, Modrm|DefaultSize|No_bSuf|No_wSuf|No_qSuf|No_ldSuf|FWait, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
frstor, 1, 0xdd, 0x4, 1, CpuFP, Modrm|DefaultSize|No_bSuf|No_wSuf|No_qSuf|No_ldSuf, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
// 8087 only
fneni, 0, 0xdbe0, None, 2, Cpu8087, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
feni, 0, 0xdbe0, None, 2, Cpu8087, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|FWait, { 0 }
fndisi, 0, 0xdbe1, None, 2, Cpu8087, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fdisi, 0, 0xdbe1, None, 2, Cpu8087, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|FWait, { 0 }
// 287 only
fnsetpm, 0, 0xdbe4, None, 2, Cpu287, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fsetpm, 0, 0xdbe4, None, 2, Cpu287, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|FWait, { 0 }
frstpm, 0, 0xdbe5, None, 2, Cpu287, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

ffree, 1, 0xddc0, None, 2, CpuFP, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
// P6:free st(i), pop st
ffreep, 1, 0xdfc0, None, 2, Cpu687, ShortForm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { FloatReg }
fnop, 0, 0xd9d0, None, 2, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
fwait, 0, 0x9b, None, 1, CpuFP, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }

// Opcode prefixes; we allow them as separate insns too.

addr16, 0, 0x67, None, 1, Cpu386|CpuNo64, Size16|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
addr32, 0, 0x67, None, 1, Cpu386, Size32|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
aword, 0, 0x67, None, 1, Cpu386|CpuNo64, Size16|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
adword, 0, 0x67, None, 1, Cpu386, Size32|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
data16, 0, 0x66, None, 1, Cpu386, Size16|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
data32, 0, 0x66, None, 1, Cpu386|CpuNo64, Size32|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
word, 0, 0x66, None, 1, Cpu386, Size16|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
dword, 0, 0x66, None, 1, Cpu386|CpuNo64, Size32|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
lock, 0, 0xf0, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
wait, 0, 0x9b, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
cs, 0, 0x2e, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
ds, 0, 0x3e, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
es, 0, 0x26, None, 1, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
fs, 0, 0x64, None, 1, Cpu386, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
gs, 0, 0x65, None, 1, Cpu386, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
ss, 0, 0x36, None, 1, CpuNo64, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
rep, 0, 0xf3, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
repe, 0, 0xf3, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
repz, 0, 0xf3, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
repne, 0, 0xf2, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
repnz, 0, 0xf2, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
ht, 0, 0x3e, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
hnt, 0, 0x2e, None, 1, 0, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsPrefix, { 0 }
rex, 0, 0x40, None, 1, Cpu64, No_