/* opcode/i386.h -- Intel 80386 opcode table Copyright 1989, 91, 92, 93, 94, 95, 96, 97, 98, 1999 Free Software Foundation. This file is part of GAS, the GNU Assembler, and GDB, the GNU Debugger. This program 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 2 of the License, or (at your option) any later version. This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* The UnixWare assembler, and probably other AT&T derived ix86 Unix assemblers, generate floating point instructions with reversed source and destination registers in certain cases. Unfortunately, gcc and possibly many other programs use this reversed syntax, so we're stuck with it. eg. `fsub %st(3),%st' results in st <- st - st(3) as expected, but `fsub %st,%st(3)' results in st(3) <- st - st(3), rather than the expected st(3) <- st(3) - st ! This happens with all the non-commutative arithmetic floating point operations with two register operands, where the source register is %st, and destination register is %st(i). Look for FloatDR below. */ #ifndef UNIXWARE_COMPAT /* Set non-zero for broken, compatible instructions. Set to zero for non-broken opcodes at your peril. gcc generates UnixWare compatible instructions. */ #define UNIXWARE_COMPAT 1 #endif static const template i386_optab[] = { #define X None #define NoSuf (No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_dSuf|No_xSuf) #define b_Suf (No_wSuf|No_lSuf|No_sSuf|No_dSuf|No_xSuf) #define w_Suf (No_bSuf|No_lSuf|No_sSuf|No_dSuf|No_xSuf) #define l_Suf (No_bSuf|No_wSuf|No_sSuf|No_dSuf|No_xSuf) #define d_Suf (No_bSuf|No_wSuf|No_sSuf|No_lSuf|No_xSuf) #define x_Suf (No_bSuf|No_wSuf|No_sSuf|No_lSuf|No_dSuf) #define bw_Suf (No_lSuf|No_sSuf|No_dSuf|No_xSuf) #define bl_Suf (No_wSuf|No_sSuf|No_dSuf|No_xSuf) #define wl_Suf (No_bSuf|No_sSuf|No_dSuf|No_xSuf) #define sl_Suf (No_bSuf|No_wSuf|No_dSuf|No_xSuf) #define sld_Suf (No_bSuf|No_wSuf|No_xSuf) #define sldx_Suf (No_bSuf|No_wSuf) #define bwl_Suf (No_sSuf|No_dSuf|No_xSuf) #define bwld_Suf (No_sSuf|No_xSuf) #define FP (NoSuf|IgnoreSize) #define l_FP (l_Suf|IgnoreSize) #define d_FP (d_Suf|IgnoreSize) #define x_FP (x_Suf|IgnoreSize) #define sl_FP (sl_Suf|IgnoreSize) #define sld_FP (sld_Suf|IgnoreSize) #define sldx_FP (sldx_Suf|IgnoreSize) #if UNIXWARE_COMPAT #define FloatDR FloatD #else #define FloatDR (FloatD|FloatR) #endif /* move instructions */ #define MOV_AX_DISP32 0xa0 { "mov", 2, 0xa0, X, bwl_Suf|D|W, { Disp16|Disp32, Acc, 0 } }, { "mov", 2, 0x88, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0 } }, { "mov", 2, 0xb0, X, bwl_Suf|W|ShortForm, { Imm, Reg, 0 } }, { "mov", 2, 0xc6, X, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0 } }, /* The next two instructions 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, X, wl_Suf|Modrm, { SReg3|SReg2, WordReg|WordMem, 0 } }, { "mov", 2, 0x8e, X, wl_Suf|Modrm|IgnoreSize, { WordReg|WordMem, SReg3|SReg2, 0 } }, /* move to/from control debug registers */ { "mov", 2, 0x0f20, X, l_Suf|D|Modrm|IgnoreSize, { Control, Reg32|InvMem, 0} }, { "mov", 2, 0x0f21, X, l_Suf|D|Modrm|IgnoreSize, { Debug, Reg32|InvMem, 0} }, { "mov", 2, 0x0f24, X, l_Suf|D|Modrm|IgnoreSize, { Test, Reg32|InvMem, 0} }, /* move with sign extend */ /* "movsbl" & "movsbw" must not be unified into "movsb" to avoid conflict with the "movs" string move instruction. */ {"movsbl", 2, 0x0fbe, X, NoSuf|Modrm, { Reg8|ByteMem, Reg32, 0} }, {"movsbw", 2, 0x0fbe, X, NoSuf|Modrm, { Reg8|ByteMem, Reg16, 0} }, {"movswl", 2, 0x0fbf, X, NoSuf|Modrm, { Reg16|ShortMem, Reg32, 0} }, /* Intel Syntax */ {"movsx", 2, 0x0fbf, X, w_Suf|Modrm|IgnoreSize, { Reg16|ShortMem, Reg32, 0} }, {"movsx", 2, 0x0fbe, X, b_Suf|Modrm, { Reg8|ByteMem, WordReg, 0} }, /* move with zero extend */ {"movzb", 2, 0x0fb6, X, wl_Suf|Modrm, { Reg8|ByteMem, WordReg, 0} }, {"movzwl", 2, 0x0fb7, X, NoSuf|Modrm, { Reg16|ShortMem, Reg32, 0} }, /* Intel Syntax */ {"movzx", 2, 0x0fb7, X, w_Suf|Modrm|IgnoreSize, { Reg16|ShortMem, Reg32, 0} }, {"movzx", 2, 0x0fb6, X, b_Suf|Modrm, { Reg8|ByteMem, WordReg, 0} }, /* push instructions */ {"push", 1, 0x50, X, wl_Suf|ShortForm|DefaultSize, { WordReg, 0, 0 } }, {"push", 1, 0xff, 6, wl_Suf|Modrm|DefaultSize, { WordReg|WordMem, 0, 0 } }, {"push", 1, 0x6a, X, wl_Suf|DefaultSize, { Imm8S, 0, 0} }, {"push", 1, 0x68, X, wl_Suf|DefaultSize, { Imm16|Imm32, 0, 0} }, {"push", 1, 0x06, X, wl_Suf|Seg2ShortForm|DefaultSize, { SReg2, 0, 0 } }, {"push", 1, 0x0fa0, X, wl_Suf|Seg3ShortForm|DefaultSize, { SReg3, 0, 0 } }, /* push all */ {"pusha", 0, 0x60, X, wl_Suf|DefaultSize, { 0, 0, 0 } }, /* pop instructions */ {"pop", 1, 0x58, X, wl_Suf|ShortForm|DefaultSize, { WordReg, 0, 0 } }, {"pop", 1, 0x8f, 0, wl_Suf|Modrm|DefaultSize, { WordReg|WordMem, 0, 0 } }, #define POP_SEG_SHORT 0x07 {"pop", 1, 0x07, X, wl_Suf|Seg2ShortForm|DefaultSize, { SReg2, 0, 0 } }, {"pop", 1, 0x0fa1, X, wl_Suf|Seg3ShortForm|DefaultSize, { SReg3, 0, 0 } }, /* pop all */ {"popa", 0, 0x61, X, wl_Suf|DefaultSize, { 0, 0, 0 } }, /* xchg exchange instructions xchg commutes: we allow both operand orders */ {"xchg", 2, 0x90, X, wl_Suf|ShortForm, { WordReg, Acc, 0 } }, {"xchg", 2, 0x90, X, wl_Suf|ShortForm, { Acc, WordReg, 0 } }, {"xchg", 2, 0x86, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0 } }, {"xchg", 2, 0x86, X, bwl_Suf|W|Modrm, { Reg|AnyMem, Reg, 0 } }, /* in/out from ports */ {"in", 2, 0xe4, X, bwl_Suf|W, { Imm8, Acc, 0 } }, {"in", 2, 0xec, X, bwl_Suf|W, { InOutPortReg, Acc, 0 } }, {"in", 1, 0xe4, X, bwl_Suf|W, { Imm8, 0, 0 } }, {"in", 1, 0xec, X, bwl_Suf|W, { InOutPortReg, 0, 0 } }, {"out", 2, 0xe6, X, bwl_Suf|W, { Acc, Imm8, 0 } }, {"out", 2, 0xee, X, bwl_Suf|W, { Acc, InOutPortReg, 0 } }, {"out", 1, 0xe6, X, bwl_Suf|W, { Imm8, 0, 0 } }, {"out", 1, 0xee, X, bwl_Suf|W, { InOutPortReg, 0, 0 } }, /* load effective address */ {"lea", 2, 0x8d, X, wl_Suf|Modrm, { WordMem, WordReg, 0 } }, /* load segment registers from memory */ {"lds", 2, 0xc5, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, {"les", 2, 0xc4, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, {"lfs", 2, 0x0fb4, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, {"lgs", 2, 0x0fb5, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, {"lss", 2, 0x0fb2, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, /* flags register instructions */ {"clc", 0, 0xf8, X, NoSuf, { 0, 0, 0} }, {"cld", 0, 0xfc, X, NoSuf, { 0, 0, 0} }, {"cli", 0, 0xfa, X, NoSuf, { 0, 0, 0} }, {"clts", 0, 0x0f06, X, NoSuf, { 0, 0, 0} }, {"cmc", 0, 0xf5, X, NoSuf, { 0, 0, 0} }, {"lahf", 0, 0x9f, X, NoSuf, { 0, 0, 0} }, {"sahf", 0, 0x9e, X, NoSuf, { 0, 0, 0} }, {"pushf", 0, 0x9c, X, wl_Suf|DefaultSize, { 0, 0, 0} }, {"popf", 0, 0x9d, X, wl_Suf|DefaultSize, { 0, 0, 0} }, {"stc", 0, 0xf9, X, NoSuf, { 0, 0, 0} }, {"std", 0, 0xfd, X, NoSuf, { 0, 0, 0} }, {"sti", 0, 0xfb, X, NoSuf, { 0, 0, 0} }, /* arithmetic */ {"add", 2, 0x00, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, {"add", 2, 0x83, 0, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, {"add", 2, 0x04, X, bwl_Suf|W, { Imm, Acc, 0} }, {"add", 2, 0x80, 0, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, {"inc", 1, 0x40, X, wl_Suf|ShortForm, { WordReg, 0, 0} }, {"inc", 1, 0xfe, 0, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"sub", 2, 0x28, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, {"sub", 2, 0x83, 5, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, {"sub", 2, 0x2c, X, bwl_Suf|W, { Imm, Acc, 0} }, {"sub", 2, 0x80, 5, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, {"dec", 1, 0x48, X, wl_Suf|ShortForm, { WordReg, 0, 0} }, {"dec", 1, 0xfe, 1, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"sbb", 2, 0x18, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, {"sbb", 2, 0x83, 3, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, {"sbb", 2, 0x1c, X, bwl_Suf|W, { Imm, Acc, 0} }, {"sbb", 2, 0x80, 3, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, {"cmp", 2, 0x38, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, {"cmp", 2, 0x83, 7, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, {"cmp", 2, 0x3c, X, bwl_Suf|W, { Imm, Acc, 0} }, {"cmp", 2, 0x80, 7, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, {"test", 2, 0x84, X, bwl_Suf|W|Modrm, { Reg|AnyMem, Reg, 0} }, {"test", 2, 0x84, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0} }, {"test", 2, 0xa8, X, bwl_Suf|W, { Imm, Acc, 0} }, {"test", 2, 0xf6, 0, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, {"and", 2, 0x20, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, {"and", 2, 0x83, 4, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, {"and", 2, 0x24, X, bwl_Suf|W, { Imm, Acc, 0} }, {"and", 2, 0x80, 4, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, {"or", 2, 0x08, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, {"or", 2, 0x83, 1, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, {"or", 2, 0x0c, X, bwl_Suf|W, { Imm, Acc, 0} }, {"or", 2, 0x80, 1, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, {"xor", 2, 0x30, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, {"xor", 2, 0x83, 6, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, {"xor", 2, 0x34, X, bwl_Suf|W, { Imm, Acc, 0} }, {"xor", 2, 0x80, 6, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, /* iclr with 1 operand is really xor with 2 operands. */ {"clr", 1, 0x30, X, bwl_Suf|W|Modrm|regKludge, { Reg, 0, 0 } }, {"adc", 2, 0x10, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, {"adc", 2, 0x83, 2, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, {"adc", 2, 0x14, X, bwl_Suf|W, { Imm, Acc, 0} }, {"adc", 2, 0x80, 2, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, {"neg", 1, 0xf6, 3, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"not", 1, 0xf6, 2, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"aaa", 0, 0x37, X, NoSuf, { 0, 0, 0} }, {"aas", 0, 0x3f, X, NoSuf, { 0, 0, 0} }, {"daa", 0, 0x27, X, NoSuf, { 0, 0, 0} }, {"das", 0, 0x2f, X, NoSuf, { 0, 0, 0} }, {"aad", 0, 0xd50a, X, NoSuf, { 0, 0, 0} }, {"aad", 1, 0xd5, X, NoSuf, { Imm8S, 0, 0} }, {"aam", 0, 0xd40a, X, NoSuf, { 0, 0, 0} }, {"aam", 1, 0xd4, X, NoSuf, { Imm8S, 0, 0} }, /* conversion insns */ /* conversion: intel naming */ {"cbw", 0, 0x98, X, NoSuf|Size16, { 0, 0, 0} }, {"cwde", 0, 0x98, X, NoSuf|Size32, { 0, 0, 0} }, {"cwd", 0, 0x99, X, NoSuf|Size16, { 0, 0, 0} }, {"cdq", 0, 0x99, X, NoSuf|Size32, { 0, 0, 0} }, /* att naming */ {"cbtw", 0, 0x98, X, NoSuf|Size16, { 0, 0, 0} }, {"cwtl", 0, 0x98, X, NoSuf|Size32, { 0, 0, 0} }, {"cwtd", 0, 0x99, X, NoSuf|Size16, { 0, 0, 0} }, {"cltd", 0, 0x99, X, NoSuf|Size32, { 0, 0, 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, 4, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"imul", 1, 0xf6, 5, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"imul", 2, 0x0faf, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"imul", 3, 0x6b, X, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, WordReg} }, {"imul", 3, 0x69, X, wl_Suf|Modrm, { Imm16|Imm32, WordReg|WordMem, WordReg} }, /* 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, X, wl_Suf|Modrm|regKludge,{ Imm8S, WordReg, 0} }, {"imul", 2, 0x69, X, wl_Suf|Modrm|regKludge,{ Imm16|Imm32, WordReg, 0} }, {"div", 1, 0xf6, 6, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"div", 2, 0xf6, 6, bwl_Suf|W|Modrm, { Reg|AnyMem, Acc, 0} }, {"idiv", 1, 0xf6, 7, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"idiv", 2, 0xf6, 7, bwl_Suf|W|Modrm, { Reg|AnyMem, Acc, 0} }, {"rol", 2, 0xd0, 0, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, {"rol", 2, 0xc0, 0, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, {"rol", 2, 0xd2, 0, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, {"rol", 1, 0xd0, 0, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"ror", 2, 0xd0, 1, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, {"ror", 2, 0xc0, 1, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, {"ror", 2, 0xd2, 1, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, {"ror", 1, 0xd0, 1, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"rcl", 2, 0xd0, 2, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, {"rcl", 2, 0xc0, 2, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, {"rcl", 2, 0xd2, 2, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, {"rcl", 1, 0xd0, 2, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"rcr", 2, 0xd0, 3, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, {"rcr", 2, 0xc0, 3, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, {"rcr", 2, 0xd2, 3, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, {"rcr", 1, 0xd0, 3, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"sal", 2, 0xd0, 4, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, {"sal", 2, 0xc0, 4, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, {"sal", 2, 0xd2, 4, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, {"sal", 1, 0xd0, 4, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"shl", 2, 0xd0, 4, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, {"shl", 2, 0xc0, 4, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, {"shl", 2, 0xd2, 4, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, {"shl", 1, 0xd0, 4, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"shld", 3, 0x0fa4, X, wl_Suf|Modrm, { Imm8, WordReg, WordReg|WordMem} }, {"shld", 3, 0x0fa5, X, wl_Suf|Modrm, { ShiftCount, WordReg, WordReg|WordMem} }, {"shld", 2, 0x0fa5, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, {"shr", 2, 0xd0, 5, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, {"shr", 2, 0xc0, 5, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, {"shr", 2, 0xd2, 5, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, {"shr", 1, 0xd0, 5, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, {"shrd", 3, 0x0fac, X, wl_Suf|Modrm, { Imm8, WordReg, WordReg|WordMem} }, {"shrd", 3, 0x0fad, X, wl_Suf|Modrm, { ShiftCount, WordReg, WordReg|WordMem} }, {"shrd", 2, 0x0fad, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, {"sar", 2, 0xd0, 7, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, {"sar", 2, 0xc0, 7, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, {"sar", 2, 0xd2, 7, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, {"sar", 1, 0xd0, 7, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, /* control transfer instructions */ {"call", 1, 0xe8, X, wl_Suf|JumpDword|DefaultSize, { Disp16|Disp32, 0, 0} }, {"call", 1, 0xff, 2, wl_Suf|Modrm|DefaultSize, { WordReg|WordMem|JumpAbsolute, 0, 0} }, /* Intel Syntax */ {"call", 2, 0x9a, X, wl_Suf|JumpInterSegment|DefaultSize, { Imm16, Imm16|Imm32, 0} }, {"lcall", 2, 0x9a, X, wl_Suf|JumpInterSegment|DefaultSize, { Imm16, Imm16|Imm32, 0} }, {"lcall", 1, 0xff, 3, wl_Suf|Modrm|DefaultSize, { WordMem, 0, 0} }, #define JUMP_PC_RELATIVE 0xeb {"jmp", 1, 0xeb, X, NoSuf|Jump, { Disp, 0, 0} }, {"jmp", 1, 0xff, 4, wl_Suf|Modrm, { WordReg|WordMem|JumpAbsolute, 0, 0} }, /* Intel Syntax */ {"jmp", 2, 0xea, X, wl_Suf|JumpInterSegment, { Imm16, Imm16|Imm32, 0} }, {"jmp", 1, 0xff, 5, wl_Suf|Modrm, { WordMem, 0, 0} }, {"ljmp", 2, 0xea, X, wl_Suf|JumpInterSegment, { Imm16, Imm16|Imm32, 0} }, {"ljmp", 1, 0xff, 5, wl_Suf|Modrm, { WordMem, 0, 0} }, {"ret", 0, 0xc3, X, wl_Suf|DefaultSize, { 0, 0, 0} }, {"ret", 1, 0xc2, X, wl_Suf|DefaultSize, { Imm16, 0, 0} }, {"lret", 0, 0xcb, X, wl_Suf|DefaultSize, { 0, 0, 0} }, {"lret", 1, 0xca, X, wl_Suf|DefaultSize, { Imm16, 0, 0} }, {"enter", 2, 0xc8, X, wl_Suf|DefaultSize, { Imm16, Imm8, 0} }, {"leave", 0, 0xc9, X, wl_Suf|DefaultSize, { 0, 0, 0} }, /* conditional jumps */ {"jo", 1, 0x70, X, NoSuf|Jump, { Disp, 0, 0} }, {"jno", 1, 0x71, X, NoSuf|Jump, { Disp, 0, 0} }, {"jb", 1, 0x72, X, NoSuf|Jump, { Disp, 0, 0} }, {"jc", 1, 0x72, X, NoSuf|Jump, { Disp, 0, 0} }, {"jnae", 1, 0x72, X, NoSuf|Jump, { Disp, 0, 0} }, {"jnb", 1, 0x73, X, NoSuf|Jump, { Disp, 0, 0} }, {"jnc", 1, 0x73, X, NoSuf|Jump, { Disp, 0, 0} }, {"jae", 1, 0x73, X, NoSuf|Jump, { Disp, 0, 0} }, {"je", 1, 0x74, X, NoSuf|Jump, { Disp, 0, 0} }, {"jz", 1, 0x74, X, NoSuf|Jump, { Disp, 0, 0} }, {"jne", 1, 0x75, X, NoSuf|Jump, { Disp, 0, 0} }, {"jnz", 1, 0x75, X, NoSuf|Jump, { Disp, 0, 0} }, {"jbe", 1, 0x76, X, NoSuf|Jump, { Disp, 0, 0} }, {"jna", 1, 0x76, X, NoSuf|Jump, { Disp, 0, 0} }, {"jnbe", 1, 0x77, X, NoSuf|Jump, { Disp, 0, 0} }, {"ja", 1, 0x77, X, NoSuf|Jump, { Disp, 0, 0} }, {"js", 1, 0x78, X, NoSuf|Jump, { Disp, 0, 0} }, {"jns", 1, 0x79, X, NoSuf|Jump, { Disp, 0, 0} }, {"jp", 1, 0x7a, X, NoSuf|Jump, { Disp, 0, 0} }, {"jpe", 1, 0x7a, X, NoSuf|Jump, { Disp, 0, 0} }, {"jnp", 1, 0x7b, X, NoSuf|Jump, { Disp, 0, 0} }, {"jpo", 1, 0x7b, X, NoSuf|Jump, { Disp, 0, 0} }, {"jl", 1, 0x7c, X, NoSuf|Jump, { Disp, 0, 0} }, {"jnge", 1, 0x7c, X, NoSuf|Jump, { Disp, 0, 0} }, {"jnl", 1, 0x7d, X, NoSuf|Jump, { Disp, 0, 0} }, {"jge", 1, 0x7d, X, NoSuf|Jump, { Disp, 0, 0} }, {"jle", 1, 0x7e, X, NoSuf|Jump, { Disp, 0, 0} }, {"jng", 1, 0x7e, X, NoSuf|Jump, { Disp, 0, 0} }, {"jnle", 1, 0x7f, X, NoSuf|Jump, { Disp, 0, 0} }, {"jg", 1, 0x7f, X, NoSuf|Jump, { Disp, 0, 0} }, /* jcxz vs. jecxz is chosen on the basis of the address size prefix. */ {"jcxz", 1, 0xe3, X, NoSuf|JumpByte|Size16, { Disp, 0, 0} }, {"jecxz", 1, 0xe3, X, NoSuf|JumpByte|Size32, { Disp, 0, 0} }, /* 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, X, wl_Suf|JumpByte, { Disp, 0, 0} }, {"loopz", 1, 0xe1, X, wl_Suf|JumpByte, { Disp, 0, 0} }, {"loope", 1, 0xe1, X, wl_Suf|JumpByte, { Disp, 0, 0} }, {"loopnz", 1, 0xe0, X, wl_Suf|JumpByte, { Disp, 0, 0} }, {"loopne", 1, 0xe0, X, wl_Suf|JumpByte, { Disp, 0, 0} }, /* set byte on flag instructions */ {"seto", 1, 0x0f90, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setno", 1, 0x0f91, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setb", 1, 0x0f92, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setc", 1, 0x0f92, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setnae", 1, 0x0f92, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setnb", 1, 0x0f93, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setnc", 1, 0x0f93, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setae", 1, 0x0f93, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"sete", 1, 0x0f94, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setz", 1, 0x0f94, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setne", 1, 0x0f95, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setnz", 1, 0x0f95, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setbe", 1, 0x0f96, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setna", 1, 0x0f96, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setnbe", 1, 0x0f97, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"seta", 1, 0x0f97, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"sets", 1, 0x0f98, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setns", 1, 0x0f99, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setp", 1, 0x0f9a, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setpe", 1, 0x0f9a, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setnp", 1, 0x0f9b, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setpo", 1, 0x0f9b, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setl", 1, 0x0f9c, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setnge", 1, 0x0f9c, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setnl", 1, 0x0f9d, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setge", 1, 0x0f9d, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setle", 1, 0x0f9e, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setng", 1, 0x0f9e, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setnle", 1, 0x0f9f, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, {"setg", 1, 0x0f9f, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, /* string manipulation */ {"cmps", 0, 0xa6, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"cmps", 2, 0xa6, X, bwld_Suf|W|IsString, { AnyMem|EsSeg, AnyMem, 0} }, {"scmp", 0, 0xa6, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"scmp", 2, 0xa6, X, bwld_Suf|W|IsString, { AnyMem|EsSeg, AnyMem, 0} }, {"ins", 0, 0x6c, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"ins", 2, 0x6c, X, bwld_Suf|W|IsString, { InOutPortReg, AnyMem|EsSeg, 0} }, {"outs", 0, 0x6e, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"outs", 2, 0x6e, X, bwld_Suf|W|IsString, { AnyMem, InOutPortReg, 0} }, {"lods", 0, 0xac, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"lods", 1, 0xac, X, bwld_Suf|W|IsString, { AnyMem, 0, 0} }, {"lods", 2, 0xac, X, bwld_Suf|W|IsString, { AnyMem, Acc, 0} }, {"slod", 0, 0xac, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"slod", 1, 0xac, X, bwld_Suf|W|IsString, { AnyMem, 0, 0} }, {"slod", 2, 0xac, X, bwld_Suf|W|IsString, { AnyMem, Acc, 0} }, {"movs", 0, 0xa4, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"movs", 2, 0xa4, X, bwld_Suf|W|IsString, { AnyMem, AnyMem|EsSeg, 0} }, {"smov", 0, 0xa4, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"smov", 2, 0xa4, X, bwld_Suf|W|IsString, { AnyMem, AnyMem|EsSeg, 0} }, {"scas", 0, 0xae, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"scas", 1, 0xae, X, bwld_Suf|W|IsString, { AnyMem|EsSeg, 0, 0} }, {"scas", 2, 0xae, X, bwld_Suf|W|IsString, { AnyMem|EsSeg, Acc, 0} }, {"ssca", 0, 0xae, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"ssca", 1, 0xae, X, bwld_Suf|W|IsString, { AnyMem|EsSeg, 0, 0} }, {"ssca", 2, 0xae, X, bwld_Suf|W|IsString, { AnyMem|EsSeg, Acc, 0} }, {"stos", 0, 0xaa, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"stos", 1, 0xaa, X, bwld_Suf|W|IsString, { AnyMem|EsSeg, 0, 0} }, {"stos", 2, 0xaa, X, bwld_Suf|W|IsString, { Acc, AnyMem|EsSeg, 0} }, {"ssto", 0, 0xaa, X, bwld_Suf|W|IsString, { 0, 0, 0} }, {"ssto", 1, 0xaa, X, bwld_Suf|W|IsString, { AnyMem|EsSeg, 0, 0} }, {"ssto", 2, 0xaa, X, bwld_Suf|W|IsString, { Acc, AnyMem|EsSeg, 0} }, {"xlat", 0, 0xd7, X, b_Suf|IsString, { 0, 0, 0} }, {"xlat", 1, 0xd7, X, b_Suf|IsString, { AnyMem, 0, 0} }, /* bit manipulation */ {"bsf", 2, 0x0fbc, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"bsr", 2, 0x0fbd, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"bt", 2, 0x0fa3, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, {"bt", 2, 0x0fba, 4, wl_Suf|Modrm, { Imm8, WordReg|WordMem, 0} }, {"btc", 2, 0x0fbb, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, {"btc", 2, 0x0fba, 7, wl_Suf|Modrm, { Imm8, WordReg|WordMem, 0} }, {"btr", 2, 0x0fb3, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, {"btr", 2, 0x0fba, 6, wl_Suf|Modrm, { Imm8, WordReg|WordMem, 0} }, {"bts", 2, 0x0fab, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, {"bts", 2, 0x0fba, 5, wl_Suf|Modrm, { Imm8, WordReg|WordMem, 0} }, /* interrupts & op. sys insns */ /* See gas/config/tc-i386.c for conversion of 'int $3' into the special int 3 insn. */ #define INT_OPCODE 0xcd #define INT3_OPCODE 0xcc {"int", 1, 0xcd, X, NoSuf, { Imm8, 0, 0} }, {"int3", 0, 0xcc, X, NoSuf, { 0, 0, 0} }, {"into", 0, 0xce, X, NoSuf, { 0, 0, 0} }, {"iret", 0, 0xcf, X, wl_Suf, { 0, 0, 0} }, /* i386sl, i486sl, later 486, and Pentium */ {"rsm", 0, 0x0faa, X, NoSuf, { 0, 0, 0} }, {"bound", 2, 0x62, X, wl_Suf|Modrm, { WordReg, WordMem, 0} }, {"hlt", 0, 0xf4, X, NoSuf, { 0, 0, 0} }, /* nop is actually 'xchgl %eax, %eax' */ {"nop", 0, 0x90, X, NoSuf, { 0, 0, 0} }, /* protection control */ {"arpl", 2, 0x63, X, w_Suf|Modrm|IgnoreSize,{ Reg16, Reg16|ShortMem, 0} }, {"lar", 2, 0x0f02, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"lgdt", 1, 0x0f01, 2, wl_Suf|Modrm, { WordMem, 0, 0} }, {"lidt", 1, 0x0f01, 3, wl_Suf|Modrm, { WordMem, 0, 0} }, {"lldt", 1, 0x0f00, 2, w_Suf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, {"lmsw", 1, 0x0f01, 6, w_Suf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, {"lsl", 2, 0x0f03, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"ltr", 1, 0x0f00, 3, w_Suf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, {"sgdt", 1, 0x0f01, 0, wl_Suf|Modrm, { WordMem, 0, 0} }, {"sidt", 1, 0x0f01, 1, wl_Suf|Modrm, { WordMem, 0, 0} }, {"sldt", 1, 0x0f00, 0, wl_Suf|Modrm, { WordReg|WordMem, 0, 0} }, {"smsw", 1, 0x0f01, 4, wl_Suf|Modrm, { WordReg|WordMem, 0, 0} }, {"str", 1, 0x0f00, 1, w_Suf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, {"verr", 1, 0x0f00, 4, w_Suf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, {"verw", 1, 0x0f00, 5, w_Suf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, /* floating point instructions */ /* load */ {"fld", 1, 0xd9c0, X, FP|ShortForm, { FloatReg, 0, 0} }, /* register */ {"fld", 1, 0xd9, 0, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* %st0 <-- mem float/double */ {"fld", 1, 0xd9c0, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, /* Intel Syntax */ {"fld", 1, 0xdb, 5, x_FP|Modrm, { LLongMem, 0, 0} }, /* %st0 <-- mem efloat */ {"fild", 1, 0xdf, 0, sl_Suf|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* %st0 <-- mem word(16)/dword(32) */ /* Intel Syntax */ {"fild", 1, 0xdf, 5, d_Suf|IgnoreSize|Modrm,{ LLongMem, 0, 0} }, /* %st0 <-- mem qword (64) */ {"fildq", 1, 0xdf, 5, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 <-- mem qword (64) */ {"fildll", 1, 0xdf, 5, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 <-- mem qword (64) */ {"fldt", 1, 0xdb, 5, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 <-- mem efloat */ {"fbld", 1, 0xdf, 4, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 <-- mem bcd */ /* store (no pop) */ {"fst", 1, 0xddd0, X, FP|ShortForm, { FloatReg, 0, 0} }, /* register */ {"fst", 1, 0xd9, 2, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* %st0 --> mem float/double */ {"fst", 1, 0xddd0, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, {"fist", 1, 0xdf, 2, sld_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* %st0 --> mem word(16)/dword(32) */ /* store (with pop) */ {"fstp", 1, 0xddd8, X, FP|ShortForm, { FloatReg, 0, 0} }, /* register */ {"fstp", 1, 0xd9, 3, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* %st0 --> mem float/double */ {"fstp", 1, 0xddd8, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, /* Intel Syntax */ {"fstp", 1, 0xdb, 7, x_FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem efloat */ {"fistp", 1, 0xdf, 3, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* %st0 --> mem word(16)/dword(32) */ /* Intel Syntax */ {"fistp", 1, 0xdf, 7, d_FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem qword (64) */ {"fistpq", 1, 0xdf, 7, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem qword (64) */ {"fistpll",1, 0xdf, 7, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem qword (64) */ {"fstpt", 1, 0xdb, 7, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem efloat */ {"fbstp", 1, 0xdf, 6, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem bcd */ /* exchange %st with %st0 */ {"fxch", 1, 0xd9c8, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fxch", 0, 0xd9c9, X, FP, { 0, 0, 0} }, /* alias for fxch %st(1) */ /* comparison (without pop) */ {"fcom", 1, 0xd8d0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fcom", 0, 0xd8d1, X, FP, { 0, 0, 0} }, /* alias for fcom %st(1) */ {"fcom", 1, 0xd8, 2, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* compare %st0, mem float/double */ {"fcom", 1, 0xd8d0, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, {"ficom", 1, 0xde, 2, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* compare %st0, mem word/dword */ /* comparison (with pop) */ {"fcomp", 1, 0xd8d8, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fcomp", 0, 0xd8d9, X, FP, { 0, 0, 0} }, /* alias for fcomp %st(1) */ {"fcomp", 1, 0xd8, 3, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* compare %st0, mem float/double */ {"fcomp", 1, 0xd8d8, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, {"ficomp", 1, 0xde, 3, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* compare %st0, mem word/dword */ {"fcompp", 0, 0xded9, X, FP, { 0, 0, 0} }, /* compare %st0, %st1 & pop 2 */ /* unordered comparison (with pop) */ {"fucom", 1, 0xdde0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fucom", 0, 0xdde1, X, FP, { 0, 0, 0} }, /* alias for fucom %st(1) */ {"fucomp", 1, 0xdde8, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fucomp", 0, 0xdde9, X, FP, { 0, 0, 0} }, /* alias for fucomp %st(1) */ {"fucompp",0, 0xdae9, X, FP, { 0, 0, 0} }, /* ucompare %st0, %st1 & pop twice */ {"ftst", 0, 0xd9e4, X, FP, { 0, 0, 0} }, /* test %st0 */ {"fxam", 0, 0xd9e5, X, FP, { 0, 0, 0} }, /* examine %st0 */ /* load constants into %st0 */ {"fld1", 0, 0xd9e8, X, FP, { 0, 0, 0} }, /* %st0 <-- 1.0 */ {"fldl2t", 0, 0xd9e9, X, FP, { 0, 0, 0} }, /* %st0 <-- log2(10) */ {"fldl2e", 0, 0xd9ea, X, FP, { 0, 0, 0} }, /* %st0 <-- log2(e) */ {"fldpi", 0, 0xd9eb, X, FP, { 0, 0, 0} }, /* %st0 <-- pi */ {"fldlg2", 0, 0xd9ec, X, FP, { 0, 0, 0} }, /* %st0 <-- log10(2) */ {"fldln2", 0, 0xd9ed, X, FP, { 0, 0, 0} }, /* %st0 <-- ln(2) */ {"fldz", 0, 0xd9ee, X, FP, { 0, 0, 0} }, /* %st0 <-- 0.0 */ /* arithmetic */ /* add */ {"fadd", 2, 0xd8c0, X, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} }, {"fadd", 1, 0xd8c0, X, FP|ShortForm, { FloatReg, 0, 0} }, /* alias for fadd %st(i), %st */ #if UNIXWARE_COMPAT {"fadd", 0, 0xdec1, X, FP|Ugh, { 0, 0, 0} }, /* alias for faddp */ #endif {"fadd", 1, 0xd8, 0, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, {"fiadd", 1, 0xde, 0, sld_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, {"faddp", 2, 0xdec0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"faddp", 1, 0xdec0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"faddp", 0, 0xdec1, X, FP, { 0, 0, 0} }, /* alias for faddp %st, %st(1) */ {"faddp", 2, 0xdec0, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, /* subtract */ {"fsub", 2, 0xd8e0, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} }, {"fsub", 1, 0xd8e0, X, FP|ShortForm, { FloatReg, 0, 0} }, #if UNIXWARE_COMPAT {"fsub", 0, 0xdee1, X, FP|Ugh, { 0, 0, 0} }, /* alias for fsubp */ #endif {"fsub", 1, 0xd8, 4, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, {"fisub", 1, 0xde, 4, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, #if UNIXWARE_COMPAT {"fsubp", 2, 0xdee0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"fsubp", 1, 0xdee0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fsubp", 0, 0xdee1, X, FP, { 0, 0, 0} }, {"fsubp", 2, 0xdee0, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, #else {"fsubp", 2, 0xdee8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"fsubp", 1, 0xdee8, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fsubp", 0, 0xdee9, X, FP, { 0, 0, 0} }, #endif /* subtract reverse */ {"fsubr", 2, 0xd8e8, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} }, {"fsubr", 1, 0xd8e8, X, FP|ShortForm, { FloatReg, 0, 0} }, #if UNIXWARE_COMPAT {"fsubr", 0, 0xdee9, X, FP|Ugh, { 0, 0, 0} }, /* alias for fsubrp */ #endif {"fsubr", 1, 0xd8, 5, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, {"fisubr", 1, 0xde, 5, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, #if UNIXWARE_COMPAT {"fsubrp", 2, 0xdee8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"fsubrp", 1, 0xdee8, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fsubrp", 0, 0xdee9, X, FP, { 0, 0, 0} }, {"fsubrp", 2, 0xdee8, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, #else {"fsubrp", 2, 0xdee0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"fsubrp", 1, 0xdee0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fsubrp", 0, 0xdee1, X, FP, { 0, 0, 0} }, #endif /* multiply */ {"fmul", 2, 0xd8c8, X, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} }, {"fmul", 1, 0xd8c8, X, FP|ShortForm, { FloatReg, 0, 0} }, #if UNIXWARE_COMPAT {"fmul", 0, 0xdec9, X, FP|Ugh, { 0, 0, 0} }, /* alias for fmulp */ #endif {"fmul", 1, 0xd8, 1, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, {"fimul", 1, 0xde, 1, sld_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, {"fmulp", 2, 0xdec8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"fmulp", 1, 0xdec8, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fmulp", 0, 0xdec9, X, FP, { 0, 0, 0} }, {"fmulp", 2, 0xdec8, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, /* divide */ {"fdiv", 2, 0xd8f0, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} }, {"fdiv", 1, 0xd8f0, X, FP|ShortForm, { FloatReg, 0, 0} }, #if UNIXWARE_COMPAT {"fdiv", 0, 0xdef1, X, FP|Ugh, { 0, 0, 0} }, /* alias for fdivp */ #endif {"fdiv", 1, 0xd8, 6, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, {"fidiv", 1, 0xde, 6, sld_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, #if UNIXWARE_COMPAT {"fdivp", 2, 0xdef0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"fdivp", 1, 0xdef0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fdivp", 0, 0xdef1, X, FP, { 0, 0, 0} }, {"fdivp", 2, 0xdef0, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, #else {"fdivp", 2, 0xdef8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"fdivp", 1, 0xdef8, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fdivp", 0, 0xdef9, X, FP, { 0, 0, 0} }, #endif /* divide reverse */ {"fdivr", 2, 0xd8f8, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} }, {"fdivr", 1, 0xd8f8, X, FP|ShortForm, { FloatReg, 0, 0} }, #if UNIXWARE_COMPAT {"fdivr", 0, 0xdef9, X, FP|Ugh, { 0, 0, 0} }, /* alias for fdivrp */ #endif {"fdivr", 1, 0xd8, 7, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, {"fidivr", 1, 0xde, 7, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, #if UNIXWARE_COMPAT {"fdivrp", 2, 0xdef8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"fdivrp", 1, 0xdef8, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fdivrp", 0, 0xdef9, X, FP, { 0, 0, 0} }, {"fdivrp", 2, 0xdef8, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, #else {"fdivrp", 2, 0xdef0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, {"fdivrp", 1, 0xdef0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fdivrp", 0, 0xdef1, X, FP, { 0, 0, 0} }, #endif {"f2xm1", 0, 0xd9f0, X, FP, { 0, 0, 0} }, {"fyl2x", 0, 0xd9f1, X, FP, { 0, 0, 0} }, {"fptan", 0, 0xd9f2, X, FP, { 0, 0, 0} }, {"fpatan", 0, 0xd9f3, X, FP, { 0, 0, 0} }, {"fxtract",0, 0xd9f4, X, FP, { 0, 0, 0} }, {"fprem1", 0, 0xd9f5, X, FP, { 0, 0, 0} }, {"fdecstp",0, 0xd9f6, X, FP, { 0, 0, 0} }, {"fincstp",0, 0xd9f7, X, FP, { 0, 0, 0} }, {"fprem", 0, 0xd9f8, X, FP, { 0, 0, 0} }, {"fyl2xp1",0, 0xd9f9, X, FP, { 0, 0, 0} }, {"fsqrt", 0, 0xd9fa, X, FP, { 0, 0, 0} }, {"fsincos",0, 0xd9fb, X, FP, { 0, 0, 0} }, {"frndint",0, 0xd9fc, X, FP, { 0, 0, 0} }, {"fscale", 0, 0xd9fd, X, FP, { 0, 0, 0} }, {"fsin", 0, 0xd9fe, X, FP, { 0, 0, 0} }, {"fcos", 0, 0xd9ff, X, FP, { 0, 0, 0} }, {"fchs", 0, 0xd9e0, X, FP, { 0, 0, 0} }, {"fabs", 0, 0xd9e1, X, FP, { 0, 0, 0} }, /* processor control */ {"fninit", 0, 0xdbe3, X, FP, { 0, 0, 0} }, {"finit", 0, 0xdbe3, X, FP|FWait, { 0, 0, 0} }, {"fldcw", 1, 0xd9, 5, FP|Modrm, { ShortMem, 0, 0} }, {"fnstcw", 1, 0xd9, 7, FP|Modrm, { ShortMem, 0, 0} }, {"fstcw", 1, 0xd9, 7, FP|FWait|Modrm, { ShortMem, 0, 0} }, {"fnstsw", 1, 0xdfe0, X, FP, { Acc, 0, 0} }, {"fnstsw", 1, 0xdd, 7, FP|Modrm, { ShortMem, 0, 0} }, {"fnstsw", 0, 0xdfe0, X, FP, { 0, 0, 0} }, {"fstsw", 1, 0xdfe0, X, FP|FWait, { Acc, 0, 0} }, {"fstsw", 1, 0xdd, 7, FP|FWait|Modrm, { ShortMem, 0, 0} }, {"fstsw", 0, 0xdfe0, X, FP|FWait, { 0, 0, 0} }, {"fnclex", 0, 0xdbe2, X, FP, { 0, 0, 0} }, {"fclex", 0, 0xdbe2, X, FP|FWait, { 0, 0, 0} }, /* Short forms of fldenv, fstenv use data size prefix. FIXME: Are these the right suffixes? */ {"fnstenv",1, 0xd9, 6, sl_Suf|Modrm, { LLongMem, 0, 0} }, {"fstenv", 1, 0xd9, 6, sl_Suf|FWait|Modrm, { LLongMem, 0, 0} }, {"fldenv", 1, 0xd9, 4, sl_Suf|Modrm, { LLongMem, 0, 0} }, {"fnsave", 1, 0xdd, 6, sl_Suf|Modrm, { LLongMem, 0, 0} }, {"fsave", 1, 0xdd, 6, sl_Suf|FWait|Modrm, { LLongMem, 0, 0} }, {"frstor", 1, 0xdd, 4, sl_Suf|Modrm, { LLongMem, 0, 0} }, {"ffree", 1, 0xddc0, X, FP|ShortForm, { FloatReg, 0, 0} }, /* P6:free st(i), pop st */ {"ffreep", 1, 0xdfc0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fnop", 0, 0xd9d0, X, FP, { 0, 0, 0} }, #define FWAIT_OPCODE 0x9b {"fwait", 0, 0x9b, X, FP, { 0, 0, 0} }, /* opcode prefixes; we allow them as seperate insns too */ #define ADDR_PREFIX_OPCODE 0x67 {"addr16", 0, 0x67, X, NoSuf|IsPrefix|Size16|IgnoreSize, { 0, 0, 0} }, {"addr32", 0, 0x67, X, NoSuf|IsPrefix|Size32|IgnoreSize, { 0, 0, 0} }, {"aword", 0, 0x67, X, NoSuf|IsPrefix|Size16|IgnoreSize, { 0, 0, 0} }, {"adword", 0, 0x67, X, NoSuf|IsPrefix|Size32|IgnoreSize, { 0, 0, 0} }, #define DATA_PREFIX_OPCODE 0x66 {"data16", 0, 0x66, X, NoSuf|IsPrefix|Size16|IgnoreSize, { 0, 0, 0} }, {"data32", 0, 0x66, X, NoSuf|IsPrefix|Size32|IgnoreSize, { 0, 0, 0} }, {"word", 0, 0x66, X, NoSuf|IsPrefix|Size16|IgnoreSize, { 0, 0, 0} }, {"dword", 0, 0x66, X, NoSuf|IsPrefix|Size32|IgnoreSize, { 0, 0, 0} }, #define LOCK_PREFIX_OPCODE 0xf0 {"lock", 0, 0xf0, X, NoSuf|IsPrefix, { 0, 0, 0} }, {"wait", 0, 0x9b, X, NoSuf|IsPrefix, { 0, 0, 0} }, #define CS_PREFIX_OPCODE 0x2e {"cs", 0, 0x2e, X, NoSuf|IsPrefix, { 0, 0, 0} }, #define DS_PREFIX_OPCODE 0x3e {"ds", 0, 0x3e, X, NoSuf|IsPrefix, { 0, 0, 0} }, #define ES_PREFIX_OPCODE 0x26 {"es", 0, 0x26, X, NoSuf|IsPrefix, { 0, 0, 0} }, #define FS_PREFIX_OPCODE 0x64 {"fs", 0, 0x64, X, NoSuf|IsPrefix, { 0, 0, 0} }, #define GS_PREFIX_OPCODE 0x65 {"gs", 0, 0x65, X, NoSuf|IsPrefix, { 0, 0, 0} }, #define SS_PREFIX_OPCODE 0x36 {"ss", 0, 0x36, X, NoSuf|IsPrefix, { 0, 0, 0} }, #define REPNE_PREFIX_OPCODE 0xf2 #define REPE_PREFIX_OPCODE 0xf3 {"rep", 0, 0xf3, X, NoSuf|IsPrefix, { 0, 0, 0} }, {"repe", 0, 0xf3, X, NoSuf|IsPrefix, { 0, 0, 0} }, {"repz", 0, 0xf3, X, NoSuf|IsPrefix, { 0, 0, 0} }, {"repne", 0, 0xf2, X, NoSuf|IsPrefix, { 0, 0, 0} }, {"repnz", 0, 0xf2, X, NoSuf|IsPrefix, { 0, 0, 0} }, /* 486 extensions */ {"bswap", 1, 0x0fc8, X, l_Suf|ShortForm, { Reg32, 0, 0 } }, {"xadd", 2, 0x0fc0, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0 } }, {"cmpxchg", 2, 0x0fb0, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0 } }, {"invd", 0, 0x0f08, X, NoSuf, { 0, 0, 0} }, {"wbinvd", 0, 0x0f09, X, NoSuf, { 0, 0, 0} }, {"invlpg", 1, 0x0f01, 7, NoSuf|Modrm, { AnyMem, 0, 0} }, /* 586 and late 486 extensions */ {"cpuid", 0, 0x0fa2, X, NoSuf, { 0, 0, 0} }, /* Pentium extensions */ {"wrmsr", 0, 0x0f30, X, NoSuf, { 0, 0, 0} }, {"rdtsc", 0, 0x0f31, X, NoSuf, { 0, 0, 0} }, {"rdmsr", 0, 0x0f32, X, NoSuf, { 0, 0, 0} }, {"cmpxchg8b",1,0x0fc7, 1, NoSuf|Modrm, { LLongMem, 0, 0} }, {"sysenter",0, 0x0f34, X, NoSuf, { 0, 0, 0} }, {"sysexit", 0, 0x0f35, X, NoSuf, { 0, 0, 0} }, {"fxsave", 1, 0x0fae, 0, FP|Modrm, { LLongMem, 0, 0} }, {"fxrstor", 1, 0x0fae, 1, FP|Modrm, { LLongMem, 0, 0} }, /* Pentium Pro extensions */ {"rdpmc", 0, 0x0f33, X, NoSuf, { 0, 0, 0} }, {"ud2", 0, 0x0f0b, X, NoSuf, { 0, 0, 0} }, /* official undefined instr. */ {"ud2a", 0, 0x0f0b, X, NoSuf, { 0, 0, 0} }, /* alias for ud2 */ {"ud2b", 0, 0x0fb9, X, NoSuf, { 0, 0, 0} }, /* 2nd. official undefined instr. */ {"cmovo", 2, 0x0f40, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovno", 2, 0x0f41, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovb", 2, 0x0f42, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovc", 2, 0x0f42, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovnae", 2, 0x0f42, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovae", 2, 0x0f43, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovnc", 2, 0x0f43, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovnb", 2, 0x0f43, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmove", 2, 0x0f44, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovz", 2, 0x0f44, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovne", 2, 0x0f45, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovnz", 2, 0x0f45, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovbe", 2, 0x0f46, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovna", 2, 0x0f46, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmova", 2, 0x0f47, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovnbe", 2, 0x0f47, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovs", 2, 0x0f48, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovns", 2, 0x0f49, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovp", 2, 0x0f4a, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovnp", 2, 0x0f4b, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovl", 2, 0x0f4c, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovnge", 2, 0x0f4c, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovge", 2, 0x0f4d, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovnl", 2, 0x0f4d, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovle", 2, 0x0f4e, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovng", 2, 0x0f4e, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovg", 2, 0x0f4f, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"cmovnle", 2, 0x0f4f, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} }, {"fcmovb", 2, 0xdac0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmovnae",2, 0xdac0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmove", 2, 0xdac8, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmovbe", 2, 0xdad0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmovna", 2, 0xdad0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmovu", 2, 0xdad8, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmovae", 2, 0xdbc0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmovnb", 2, 0xdbc0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmovne", 2, 0xdbc8, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmova", 2, 0xdbd0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmovnbe",2, 0xdbd0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcmovnu", 2, 0xdbd8, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcomi", 2, 0xdbf0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcomi", 0, 0xdbf1, X, FP|ShortForm, { 0, 0, 0} }, {"fcomi", 1, 0xdbf0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fucomi", 2, 0xdbe8, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fucomi", 0, 0xdbe9, X, FP|ShortForm, { 0, 0, 0} }, {"fucomi", 1, 0xdbe8, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fcomip", 2, 0xdff0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcompi", 2, 0xdff0, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fcompi", 0, 0xdff1, X, FP|ShortForm, { 0, 0, 0} }, {"fcompi", 1, 0xdff0, X, FP|ShortForm, { FloatReg, 0, 0} }, {"fucomip", 2, 0xdfe8, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fucompi", 2, 0xdfe8, X, FP|ShortForm, { FloatReg, FloatAcc, 0} }, {"fucompi", 0, 0xdfe9, X, FP|ShortForm, { 0, 0, 0} }, {"fucompi", 1, 0xdfe8, X, FP|ShortForm, { FloatReg, 0, 0} }, /* MMX instructions. */ {"emms", 0, 0x0f77, X, FP, { 0, 0, 0 } }, {"movd", 2, 0x0f6e, X, FP|Modrm, { Reg32|LongMem, RegMMX, 0 } }, {"movd", 2, 0x0f7e, X, FP|Modrm, { RegMMX, Reg32|LongMem, 0 } }, {"movq", 2, 0x0f6f, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"movq", 2, 0x0f7f, X, FP|Modrm, { RegMMX, RegMMX|LongMem, 0 } }, {"packssdw", 2, 0x0f6b, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"packsswb", 2, 0x0f63, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"packuswb", 2, 0x0f67, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"paddb", 2, 0x0ffc, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"paddw", 2, 0x0ffd, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"paddd", 2, 0x0ffe, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"paddsb", 2, 0x0fec, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"paddsw", 2, 0x0fed, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"paddusb", 2, 0x0fdc, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"paddusw", 2, 0x0fdd, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pand", 2, 0x0fdb, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pandn", 2, 0x0fdf, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pcmpeqb", 2, 0x0f74, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pcmpeqw", 2, 0x0f75, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pcmpeqd", 2, 0x0f76, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pcmpgtb", 2, 0x0f64, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pcmpgtw", 2, 0x0f65, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pcmpgtd", 2, 0x0f66, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pmaddwd", 2, 0x0ff5, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pmulhw", 2, 0x0fe5, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pmullw", 2, 0x0fd5, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"por", 2, 0x0feb, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psllw", 2, 0x0ff1, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psllw", 2, 0x0f71, 6, FP|Modrm, { Imm8, RegMMX, 0 } }, {"pslld", 2, 0x0ff2, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pslld", 2, 0x0f72, 6, FP|Modrm, { Imm8, RegMMX, 0 } }, {"psllq", 2, 0x0ff3, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psllq", 2, 0x0f73, 6, FP|Modrm, { Imm8, RegMMX, 0 } }, {"psraw", 2, 0x0fe1, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psraw", 2, 0x0f71, 4, FP|Modrm, { Imm8, RegMMX, 0 } }, {"psrad", 2, 0x0fe2, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psrad", 2, 0x0f72, 4, FP|Modrm, { Imm8, RegMMX, 0 } }, {"psrlw", 2, 0x0fd1, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psrlw", 2, 0x0f71, 2, FP|Modrm, { Imm8, RegMMX, 0 } }, {"psrld", 2, 0x0fd2, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psrld", 2, 0x0f72, 2, FP|Modrm, { Imm8, RegMMX, 0 } }, {"psrlq", 2, 0x0fd3, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psrlq", 2, 0x0f73, 2, FP|Modrm, { Imm8, RegMMX, 0 } }, {"psubb", 2, 0x0ff8, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psubw", 2, 0x0ff9, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psubd", 2, 0x0ffa, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psubsb", 2, 0x0fe8, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psubsw", 2, 0x0fe9, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psubusb", 2, 0x0fd8, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"psubusw", 2, 0x0fd9, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"punpckhbw",2, 0x0f68, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"punpckhwd",2, 0x0f69, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"punpckhdq",2, 0x0f6a, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"punpcklbw",2, 0x0f60, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"punpcklwd",2, 0x0f61, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"punpckldq",2, 0x0f62, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, {"pxor", 2, 0x0fef, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, /* PIII Katmai New Instructions / SIMD instructions */ {"addps", 2, 0x0f58, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"addss", 2, 0xf30f58, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"andnps", 2, 0x0f55, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"andps", 2, 0x0f54, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"cmpps", 3, 0x0fc2, X, FP|Modrm, { Imm8, RegXMM|LLongMem, RegXMM } }, {"cmpss", 3, 0xf30fc2, X, FP|Modrm, { Imm8, RegXMM|WordMem, RegXMM } }, {"cmpeqps", 2, 0x0fc2, 0, FP|Modrm|ImmExt, { RegXMM|LLongMem, RegXMM, 0 } }, {"cmpeqss", 2, 0xf30fc2, 0, FP|Modrm|ImmExt, { RegXMM|WordMem, RegXMM, 0 } }, {"cmpltps", 2, 0x0fc2, 1, FP|Modrm|ImmExt, { RegXMM|LLongMem, RegXMM, 0 } }, {"cmpltss", 2, 0xf30fc2, 1, FP|Modrm|ImmExt, { RegXMM|WordMem, RegXMM, 0 } }, {"cmpleps", 2, 0x0fc2, 2, FP|Modrm|ImmExt, { RegXMM|LLongMem, RegXMM, 0 } }, {"cmpless", 2, 0xf30fc2, 2, FP|Modrm|ImmExt, { RegXMM|WordMem, RegXMM, 0 } }, {"cmpunordps",2, 0x0fc2, 3, FP|Modrm|ImmExt, { RegXMM|LLongMem, RegXMM, 0 } }, {"cmpunordss",2, 0xf30fc2, 3, FP|Modrm|ImmExt, { RegXMM|WordMem, RegXMM, 0 } }, {"cmpneqps", 2, 0x0fc2, 4, FP|Modrm|ImmExt, { RegXMM|LLongMem, RegXMM, 0 } }, {"cmpneqss", 2, 0xf30fc2, 4, FP|Modrm|ImmExt, { RegXMM|WordMem, RegXMM, 0 } }, {"cmpnltps", 2, 0x0fc2, 5, FP|Modrm|ImmExt, { RegXMM|LLongMem, RegXMM, 0 } }, {"cmpnltss", 2, 0xf30fc2, 5, FP|Modrm|ImmExt, { RegXMM|WordMem, RegXMM, 0 } }, {"cmpnleps", 2, 0x0fc2, 6, FP|Modrm|ImmExt, { RegXMM|LLongMem, RegXMM, 0 } }, {"cmpnless", 2, 0xf30fc2, 6, FP|Modrm|ImmExt, { RegXMM|WordMem, RegXMM, 0 } }, {"cmpordps", 2, 0x0fc2, 7, FP|Modrm|ImmExt, { RegXMM|LLongMem, RegXMM, 0 } }, {"cmpordss", 2, 0xf30fc2, 7, FP|Modrm|ImmExt, { RegXMM|WordMem, RegXMM, 0 } }, {"comiss", 2, 0x0f2f, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"cvtpi2ps", 2, 0x0f2a, X, FP|Modrm, { RegMMX|LLongMem, RegXMM, 0 } }, {"cvtsi2ss", 2, 0xf30f2a, X, FP|Modrm, { Reg32|WordMem, RegXMM, 0 } }, {"cvtps2pi", 2, 0x0f2d, X, FP|Modrm, { RegXMM|LLongMem, RegMMX, 0 } }, {"cvtss2si", 2, 0xf30f2d, X, FP|Modrm, { RegXMM|WordMem, Reg32, 0 } }, {"cvttps2pi", 2, 0x0f2c, X, FP|Modrm, { RegXMM|LLongMem, RegMMX, 0 } }, {"cvttss2si", 2, 0xf30f2c, X, FP|Modrm, { RegXMM|WordMem, Reg32, 0 } }, {"divps", 2, 0x0f5e, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"divss", 2, 0xf30f5e, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"ldmxcsr", 1, 0x0fae, 2, FP|Modrm, { WordMem, 0, 0 } }, {"stmxcsr", 1, 0x0fae, 3, FP|Modrm, { WordMem, 0, 0 } }, {"sfence", 0, 0x0faef8, X, FP, { 0, 0, 0 } }, {"maxps", 2, 0x0f5f, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"maxss", 2, 0xf30f5f, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"minps", 2, 0x0f5d, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"minss", 2, 0xf30f5d, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"movaps", 2, 0x0f28, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"movaps", 2, 0x0f29, X, FP|Modrm, { RegXMM, RegXMM|LLongMem, 0 } }, {"movhlps", 2, 0x0f12, X, FP|Modrm, { RegXMM|InvMem, RegXMM, 0 } }, {"movhps", 2, 0x0f16, X, FP|Modrm, { LLongMem, RegXMM, 0 } }, {"movhps", 2, 0x0f17, X, FP|Modrm, { RegXMM, LLongMem, 0 } }, {"movlhps", 2, 0x0f16, X, FP|Modrm, { RegXMM|InvMem, RegXMM, 0 } }, {"movlps", 2, 0x0f12, X, FP|Modrm, { LLongMem, RegXMM, 0 } }, {"movlps", 2, 0x0f13, X, FP|Modrm, { RegXMM, LLongMem, 0 } }, {"movmskps", 2, 0x0f50, X, FP|Modrm, { RegXMM|InvMem, Reg32, 0 } }, {"movups", 2, 0x0f10, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"movups", 2, 0x0f11, X, FP|Modrm, { RegXMM, RegXMM|LLongMem, 0 } }, {"movss", 2, 0xf30f10, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"movss", 2, 0xf30f11, X, FP|Modrm, { RegXMM, RegXMM|WordMem, 0 } }, {"mulps", 2, 0x0f59, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"mulss", 2, 0xf30f59, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"orps", 2, 0x0f56, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"rcpps", 2, 0x0f53, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"rcpss", 2, 0xf30f53, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"rsqrtps", 2, 0x0f52, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"rsqrtss", 2, 0xf30f52, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"shufps", 3, 0x0fc6, X, FP|Modrm, { Imm8, RegXMM|LLongMem, RegXMM } }, {"sqrtps", 2, 0x0f51, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"sqrtss", 2, 0xf30f51, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"subps", 2, 0x0f5c, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"subss", 2, 0xf30f5c, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"ucomiss", 2, 0x0f2e, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } }, {"unpckhps", 2, 0x0f15, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"unpcklps", 2, 0x0f14, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"xorps", 2, 0x0f57, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } }, {"pavgb", 2, 0x0fe0, X, FP|Modrm, { RegMMX|LLongMem, RegMMX, 0 } }, {"pavgw", 2, 0x0fe3, X, FP|Modrm, { RegMMX|LLongMem, RegMMX, 0 } }, {"pextrw", 3, 0x0fc5, X, FP|Modrm, { Imm8, RegMMX, Reg32|InvMem } }, {"pinsrw", 3, 0x0fc4, X, FP|Modrm, { Imm8, Reg32|ShortMem, RegMMX } }, {"pmaxsw", 2, 0x0fee, X, FP|Modrm, { RegMMX|LLongMem, RegMMX, 0 } }, {"pmaxub", 2, 0x0fde, X, FP|Modrm, { RegMMX|LLongMem, RegMMX, 0 } }, {"pminsw", 2, 0x0fea, X, FP|Modrm, { RegMMX|LLongMem, RegMMX, 0 } }, {"pminub", 2, 0x0fda, X, FP|Modrm, { RegMMX|LLongMem, RegMMX, 0 } }, {"pmovmskb", 2, 0x0fd7, X, FP|Modrm, { RegMMX, Reg32|InvMem, 0 } }, {"pmulhuw", 2, 0x0fe4, X, FP|Modrm, { RegMMX|LLongMem, RegMMX, 0 } }, {"psadbw", 2, 0x0ff6, X, FP|Modrm, { RegMMX|LLongMem, RegMMX, 0 } }, {"pshufw", 3, 0x0f70, X, FP|Modrm, { Imm8, RegMMX|LLongMem, RegMMX } }, {"maskmovq", 2, 0x0ff7, X, FP|Modrm, { RegMMX|InvMem, RegMMX, 0 } }, {"movntps", 2, 0x0f2b, X, FP|Modrm, { RegXMM, LLongMem, 0 } }, {"movntq", 2, 0x0fe7, X, FP|Modrm, { RegMMX, LLongMem, 0 } }, {"prefetchnta", 1, 0x0f18, 0, FP|Modrm, { LLongMem, 0, 0 } }, {"prefetcht0", 1, 0x0f18, 1, FP|Modrm, { LLongMem, 0, 0 } }, {"prefetcht1", 1, 0x0f18, 2, FP|Modrm, { LLongMem, 0, 0 } }, {"prefetcht2", 1, 0x0f18, 3, FP|Modrm, { LLongMem, 0, 0 } }, /* AMD 3DNow! instructions */ {"prefetch", 1, 0x0f0d, 0, FP|Modrm, { ByteMem, 0, 0 } }, {"prefetchw",1, 0x0f0d, 1, FP|Modrm, { ByteMem, 0, 0 } }, {"femms", 0, 0x0f0e, X, FP, { 0, 0, 0 } }, {"pavgusb", 2, 0x0f0f, 0xbf, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pf2id", 2, 0x0f0f, 0x1d, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pf2iw", 2, 0x0f0f, 0x1c, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, /* Unofficial! See http://www.x86.org/articles/3dnow/amd_3dnow.html */ {"pfacc", 2, 0x0f0f, 0xae, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfadd", 2, 0x0f0f, 0x9e, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfcmpeq", 2, 0x0f0f, 0xb0, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfcmpge", 2, 0x0f0f, 0x90, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfcmpgt", 2, 0x0f0f, 0xa0, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfmax", 2, 0x0f0f, 0xa4, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfmin", 2, 0x0f0f, 0x94, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfmul", 2, 0x0f0f, 0xb4, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfrcp", 2, 0x0f0f, 0x96, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfrcpit1", 2, 0x0f0f, 0xa6, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfrcpit2", 2, 0x0f0f, 0xb6, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfrsqit1", 2, 0x0f0f, 0xa7, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfrsqrt", 2, 0x0f0f, 0x97, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfsub", 2, 0x0f0f, 0x9a, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pfsubr", 2, 0x0f0f, 0xaa, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pi2fd", 2, 0x0f0f, 0x0d, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pi2fw", 2, 0x0f0f, 0x0c, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, /* Unofficial! */ {"pmulhrw", 2, 0x0f0f, 0xb7, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, {"pswapw", 2, 0x0f0f, 0xbb, FP|Modrm|ImmExt, { RegMMX|LongMem, RegMMX, 0 } }, /* Unofficial! */ {NULL, 0, 0, 0, 0, { 0, 0, 0} } /* sentinel */ }; #undef X #undef NoSuf #undef b_Suf #undef w_Suf #undef l_Suf #undef d_Suf #undef x_Suf #undef bw_Suf #undef bl_Suf #undef wl_Suf #undef sl_Suf #undef sld_Suf #undef sldx_Suf #undef bwl_Suf #undef bwld_Suf #undef FP #undef l_FP #undef d_FP #undef x_FP #undef sl_FP #undef sld_FP #undef sldx_FP #define MAX_MNEM_SIZE 16 /* for parsing insn mnemonics from input */ /* 386 register table */ static const reg_entry i386_regtab[] = { /* 8 bit regs */ {"al", Reg8|Acc, 0}, {"cl", Reg8|ShiftCount, 1}, {"dl", Reg8, 2}, {"bl", Reg8, 3}, {"ah", Reg8, 4}, {"ch", Reg8, 5}, {"dh", Reg8, 6}, {"bh", Reg8, 7}, /* 16 bit regs */ {"ax", Reg16|Acc, 0}, {"cx", Reg16, 1}, {"dx", Reg16|InOutPortReg, 2}, {"bx", Reg16|BaseIndex, 3}, {"sp", Reg16, 4}, {"bp", Reg16|BaseIndex, 5}, {"si", Reg16|BaseIndex, 6}, {"di", Reg16|BaseIndex, 7}, /* 32 bit regs */ {"eax", Reg32|BaseIndex|Acc, 0}, {"ecx", Reg32|BaseIndex, 1}, {"edx", Reg32|BaseIndex, 2}, {"ebx", Reg32|BaseIndex, 3}, {"esp", Reg32, 4}, {"ebp", Reg32|BaseIndex, 5}, {"esi", Reg32|BaseIndex, 6}, {"edi", Reg32|BaseIndex, 7}, /* segment registers */ {"es", SReg2, 0}, {"cs", SReg2, 1}, {"ss", SReg2, 2}, {"ds", SReg2, 3}, {"fs", SReg3, 4}, {"gs", SReg3, 5}, /* control registers */ {"cr0", Control, 0}, {"cr1", Control, 1}, {"cr2", Control, 2}, {"cr3", Control, 3}, {"cr4", Control, 4}, {"cr5", Control, 5}, {"cr6", Control, 6}, {"cr7", Control, 7}, /* debug registers */ {"db0", Debug, 0}, {"db1", Debug, 1}, {"db2", Debug, 2}, {"db3", Debug, 3}, {"db4", Debug, 4}, {"db5", Debug, 5}, {"db6", Debug, 6}, {"db7", Debug, 7}, {"dr0", Debug, 0}, {"dr1", Debug, 1}, {"dr2", Debug, 2}, {"dr3", Debug, 3}, {"dr4", Debug, 4}, {"dr5", Debug, 5}, {"dr6", Debug, 6}, {"dr7", Debug, 7}, /* test registers */ {"tr0", Test, 0}, {"tr1", Test, 1}, {"tr2", Test, 2}, {"tr3", Test, 3}, {"tr4", Test, 4}, {"tr5", Test, 5}, {"tr6", Test, 6}, {"tr7", Test, 7}, /* float registers */ {"st(0)", FloatReg|FloatAcc, 0}, {"st", FloatReg|FloatAcc, 0}, {"st(1)", FloatReg, 1}, {"st(2)", FloatReg, 2}, {"st(3)", FloatReg, 3}, {"st(4)", FloatReg, 4}, {"st(5)", FloatReg, 5}, {"st(6)", FloatReg, 6}, {"st(7)", FloatReg, 7}, {"mm0", RegMMX, 0}, {"mm1", RegMMX, 1}, {"mm2", RegMMX, 2}, {"mm3", RegMMX, 3}, {"mm4", RegMMX, 4}, {"mm5", RegMMX, 5}, {"mm6", RegMMX, 6}, {"mm7", RegMMX, 7}, {"xmm0", RegXMM, 0}, {"xmm1", RegXMM, 1}, {"xmm2", RegXMM, 2}, {"xmm3", RegXMM, 3}, {"xmm4", RegXMM, 4}, {"xmm5", RegXMM, 5}, {"xmm6", RegXMM, 6}, {"xmm7", RegXMM, 7} }; #define MAX_REG_NAME_SIZE 8 /* for parsing register names from input */ /* segment stuff */ static const seg_entry cs = { "cs", 0x2e }; static const seg_entry ds = { "ds", 0x3e }; static const seg_entry ss = { "ss", 0x36 }; static const seg_entry es = { "es", 0x26 }; static const seg_entry fs = { "fs", 0x64 }; static const seg_entry gs = { "gs", 0x65 }; /* end of opcode/i386.h */