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c41cbe6d56
Bochs/bochs/cpu/fetchdecode.cc
Stanislav Shwartsman c41cbe6d56 Link traces over taken branch optimization which makes handlers chaining even more efficient. 
I observed 5% speedup in all disk images over 2.6pre1.
The change is safe (passed all regressions) and I will be glad to make it into Bochs 2.6!
2012-08-21 19:58:41 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001-2012 The Bochs Project
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
//
/////////////////////////////////////////////////////////////////////////
#define NEED_CPU_REG_SHORTCUTS 1
#include "bochs.h"
#include "cpu.h"
#define LOG_THIS BX_CPU_THIS_PTR
///////////////////////////
// prefix bytes
// opcode bytes
// modrm/sib
// address displacement
// immediate constant
///////////////////////////
#define X 0 /* undefined opcode */
static const Bit8u BxOpcodeHasModrm32[512] = {
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
/* ------------------------------- */
/* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,X,
/* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,
/* 20 */ 1,1,1,1,0,0,X,0,1,1,1,1,0,0,X,0,
/* 30 */ 1,1,1,1,0,0,X,0,1,1,1,1,0,0,X,0,
/* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* 60 */ 0,0,1,1,X,X,X,X,0,1,0,1,0,0,0,0,
/* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
/* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* A0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* B0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* C0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,
/* D0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,
/* E0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* F0 */ X,0,X,X,0,0,1,1,0,0,0,0,0,0,1,1,
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
/* ------------------------------- */
1,1,1,1,X,0,0,0,0,0,X,0,X,1,0,1, /* 0F 00 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 10 */
1,1,1,1,1,X,1,X,1,1,1,1,1,1,1,1, /* 0F 20 */
0,0,0,0,0,0,X,X,1,X,1,X,X,X,X,X, /* 0F 30 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 40 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 50 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 60 */
1,1,1,1,1,1,1,0,1,1,X,X,1,1,1,1, /* 0F 70 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0F 80 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 90 */
0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* 0F A0 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F B0 */
1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* 0F C0 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F D0 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F E0 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,X /* 0F F0 */
/* ------------------------------- */
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
};
#undef X
// Some info on the opcodes at {0F A6} and {0F A7}
//
// On 386 steps A0-B0:
// {OF A6} = XBTS
// {OF A7} = IBTS
// On 486 steps A0-B0:
// {OF A6} = CMPXCHG 8
// {OF A7} = CMPXCHG 16|32
//
// On 486 >= B steps, and further processors, the
// CMPXCHG instructions were moved to opcodes:
// {OF B0} = CMPXCHG 8
// {OF B1} = CMPXCHG 16|32
static unsigned Resolve16BaseReg[8] = {
BX_16BIT_REG_BX,
BX_16BIT_REG_BX,
BX_16BIT_REG_BP,
BX_16BIT_REG_BP,
BX_16BIT_REG_SI,
BX_16BIT_REG_DI,
BX_16BIT_REG_BP,
BX_16BIT_REG_BX
};
static unsigned Resolve16IndexReg[8] = {
BX_16BIT_REG_SI,
BX_16BIT_REG_DI,
BX_16BIT_REG_SI,
BX_16BIT_REG_DI,
BX_NIL_REGISTER,
BX_NIL_REGISTER,
BX_NIL_REGISTER,
BX_NIL_REGISTER
};
// decoding instructions; accessing seg reg's by index
static unsigned sreg_mod00_rm16[8] = {
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_SS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS
};
static unsigned sreg_mod01or10_rm16[8] = {
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_SS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_DS
};
// decoding instructions; accessing seg reg's by index
static unsigned sreg_mod0_base32[8] = {
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS
};
static unsigned sreg_mod1or2_base32[8] = {
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_SS,
BX_SEG_REG_DS,
BX_SEG_REG_DS
};
// common fetchdecode32/64 opcode tables
#include "fetchdecode.h"
// table of all Bochs opcodes
bxIAOpcodeTable BxOpcodesTable[] = {
#define bx_define_opcode(a, b, c, d, s1, s2, s3, s4, e) { b, c, { s1, s2, s3, (s4) | (e) } },
#include "ia_opcodes.h"
};
#undef bx_define_opcode
/* ************************** */
/* 512 entries for 16bit mode */
/* 512 entries for 32bit mode */
/* ************************** */
static const BxOpcodeInfo_t BxOpcodeInfo32[512*2] = {
// 512 entries for 16bit mode
/* 00 /w */ { BxLockable, BX_IA_ADD_EbGb },
/* 01 /w */ { BxLockable, BX_IA_ADD_EwGw },
/* 02 /w */ { 0, BX_IA_ADD_GbEb },
/* 03 /w */ { 0, BX_IA_ADD_GwEw },
/* 04 /w */ { BxImmediate_Ib, BX_IA_ADD_ALIb },
/* 05 /w */ { BxImmediate_Iw, BX_IA_ADD_AXIw },
/* 06 /w */ { 0, BX_IA_PUSH16_ES },
/* 07 /w */ { 0, BX_IA_POP16_ES },
/* 08 /w */ { BxLockable, BX_IA_OR_EbGb },
/* 09 /w */ { BxLockable, BX_IA_OR_EwGw },
/* 0A /w */ { 0, BX_IA_OR_GbEb },
/* 0B /w */ { 0, BX_IA_OR_GwEw },
/* 0C /w */ { BxImmediate_Ib, BX_IA_OR_ALIb },
/* 0D /w */ { BxImmediate_Iw, BX_IA_OR_AXIw },
/* 0E /w */ { 0, BX_IA_PUSH16_CS },
/* 0F /w */ { 0, BX_IA_ERROR }, // 2-byte escape
/* 10 /w */ { BxLockable, BX_IA_ADC_EbGb },
/* 11 /w */ { BxLockable, BX_IA_ADC_EwGw },
/* 12 /w */ { 0, BX_IA_ADC_GbEb },
/* 13 /w */ { 0, BX_IA_ADC_GwEw },
/* 14 /w */ { BxImmediate_Ib, BX_IA_ADC_ALIb },
/* 15 /w */ { BxImmediate_Iw, BX_IA_ADC_AXIw },
/* 16 /w */ { 0, BX_IA_PUSH16_SS },
/* 17 /w */ { 0, BX_IA_POP16_SS },
/* 18 /w */ { BxLockable, BX_IA_SBB_EbGb },
/* 19 /w */ { BxLockable, BX_IA_SBB_EwGw },
/* 1A /w */ { 0, BX_IA_SBB_GbEb },
/* 1B /w */ { 0, BX_IA_SBB_GwEw },
/* 1C /w */ { BxImmediate_Ib, BX_IA_SBB_ALIb },
/* 1D /w */ { BxImmediate_Iw, BX_IA_SBB_AXIw },
/* 1E /w */ { 0, BX_IA_PUSH16_DS },
/* 1F /w */ { 0, BX_IA_POP16_DS },
/* 20 /w */ { BxLockable, BX_IA_AND_EbGb },
/* 21 /w */ { BxLockable, BX_IA_AND_EwGw },
/* 22 /w */ { 0, BX_IA_AND_GbEb },
/* 23 /w */ { 0, BX_IA_AND_GwEw },
/* 24 /w */ { BxImmediate_Ib, BX_IA_AND_ALIb },
/* 25 /w */ { BxImmediate_Iw, BX_IA_AND_AXIw },
/* 26 /w */ { 0, BX_IA_ERROR }, // ES:
/* 27 /w */ { 0, BX_IA_DAA },
/* 28 /w */ { BxLockable, BX_IA_SUB_EbGb },
/* 29 /w */ { BxLockable, BX_IA_SUB_EwGw },
/* 2A /w */ { 0, BX_IA_SUB_GbEb },
/* 2B /w */ { 0, BX_IA_SUB_GwEw },
/* 2C /w */ { BxImmediate_Ib, BX_IA_SUB_ALIb },
/* 2D /w */ { BxImmediate_Iw, BX_IA_SUB_AXIw },
/* 2E /w */ { 0, BX_IA_ERROR }, // CS:
/* 2F /w */ { 0, BX_IA_DAS },
/* 30 /w */ { BxLockable, BX_IA_XOR_EbGb },
/* 31 /w */ { BxLockable, BX_IA_XOR_EwGw },
/* 32 /w */ { 0, BX_IA_XOR_GbEb },
/* 33 /w */ { 0, BX_IA_XOR_GwEw },
/* 34 /w */ { BxImmediate_Ib, BX_IA_XOR_ALIb },
/* 35 /w */ { BxImmediate_Iw, BX_IA_XOR_AXIw },
/* 36 /w */ { 0, BX_IA_ERROR }, // SS:
/* 37 /w */ { 0, BX_IA_AAA },
/* 38 /w */ { 0, BX_IA_CMP_EbGb },
/* 39 /w */ { 0, BX_IA_CMP_EwGw },
/* 3A /w */ { 0, BX_IA_CMP_GbEb },
/* 3B /w */ { 0, BX_IA_CMP_GwEw },
/* 3C /w */ { BxImmediate_Ib, BX_IA_CMP_ALIb },
/* 3D /w */ { BxImmediate_Iw, BX_IA_CMP_AXIw },
/* 3E /w */ { 0, BX_IA_ERROR }, // DS:
/* 3F /w */ { 0, BX_IA_AAS },
/* 40 /w */ { 0, BX_IA_INC_RX },
/* 41 /w */ { 0, BX_IA_INC_RX },
/* 42 /w */ { 0, BX_IA_INC_RX },
/* 43 /w */ { 0, BX_IA_INC_RX },
/* 44 /w */ { 0, BX_IA_INC_RX },
/* 45 /w */ { 0, BX_IA_INC_RX },
/* 46 /w */ { 0, BX_IA_INC_RX },
/* 47 /w */ { 0, BX_IA_INC_RX },
/* 48 /w */ { 0, BX_IA_DEC_RX },
/* 49 /w */ { 0, BX_IA_DEC_RX },
/* 4A /w */ { 0, BX_IA_DEC_RX },
/* 4B /w */ { 0, BX_IA_DEC_RX },
/* 4C /w */ { 0, BX_IA_DEC_RX },
/* 4D /w */ { 0, BX_IA_DEC_RX },
/* 4E /w */ { 0, BX_IA_DEC_RX },
/* 4F /w */ { 0, BX_IA_DEC_RX },
/* 50 /w */ { 0, BX_IA_PUSH_RX },
/* 51 /w */ { 0, BX_IA_PUSH_RX },
/* 52 /w */ { 0, BX_IA_PUSH_RX },
/* 53 /w */ { 0, BX_IA_PUSH_RX },
/* 54 /w */ { 0, BX_IA_PUSH_RX },
/* 55 /w */ { 0, BX_IA_PUSH_RX },
/* 56 /w */ { 0, BX_IA_PUSH_RX },
/* 57 /w */ { 0, BX_IA_PUSH_RX },
/* 58 /w */ { 0, BX_IA_POP_RX },
/* 59 /w */ { 0, BX_IA_POP_RX },
/* 5A /w */ { 0, BX_IA_POP_RX },
/* 5B /w */ { 0, BX_IA_POP_RX },
/* 5C /w */ { 0, BX_IA_POP_RX },
/* 5D /w */ { 0, BX_IA_POP_RX },
/* 5E /w */ { 0, BX_IA_POP_RX },
/* 5F /w */ { 0, BX_IA_POP_RX },
/* 60 /w */ { 0, BX_IA_PUSHAD16 },
/* 61 /w */ { 0, BX_IA_POPAD16 },
/* 62 /w */ { 0, BX_IA_BOUND_GwMa },
/* 63 /w */ { 0, BX_IA_ARPL_EwGw },
/* 64 /w */ { 0, BX_IA_ERROR }, // FS:
/* 65 /w */ { 0, BX_IA_ERROR }, // GS:
/* 66 /w */ { 0, BX_IA_ERROR }, // OS:
/* 67 /w */ { 0, BX_IA_ERROR }, // AS:
/* 68 /w */ { BxImmediate_Iw, BX_IA_PUSH_Iw },
/* 69 /w */ { BxImmediate_Iw, BX_IA_IMUL_GwEwIw },
/* 6A /w */ { BxImmediate_Ib_SE, BX_IA_PUSH_Iw },
/* 6B /w */ { BxImmediate_Ib_SE, BX_IA_IMUL_GwEwIw },
/* 6C /w */ { BxRepeatable, BX_IA_REP_INSB_YbDX },
/* 6D /w */ { BxRepeatable, BX_IA_REP_INSW_YwDX },
/* 6E /w */ { BxRepeatable, BX_IA_REP_OUTSB_DXXb },
/* 6F /w */ { BxRepeatable, BX_IA_REP_OUTSW_DXXw },
/* 70 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JO_Jw },
/* 71 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNO_Jw },
/* 72 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JB_Jw },
/* 73 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNB_Jw },
/* 74 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JZ_Jw },
/* 75 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNZ_Jw },
/* 76 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JBE_Jw },
/* 77 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNBE_Jw },
/* 78 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JS_Jw },
/* 79 /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNS_Jw },
/* 7A /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JP_Jw },
/* 7B /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNP_Jw },
/* 7C /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JL_Jw },
/* 7D /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNL_Jw },
/* 7E /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JLE_Jw },
/* 7F /w */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNLE_Jw },
/* 80 /w */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIb },
/* 81 /w */ { BxGroup1 | BxImmediate_Iw, BX_IA_ERROR, BxOpcodeInfoG1Ew },
/* 82 /w */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIb },
/* 83 /w */ { BxGroup1 | BxImmediate_Ib_SE, BX_IA_ERROR, BxOpcodeInfoG1Ew },
/* 84 /w */ { 0, BX_IA_TEST_EbGb },
/* 85 /w */ { 0, BX_IA_TEST_EwGw },
/* 86 /w */ { BxLockable, BX_IA_XCHG_EbGb },
/* 87 /w */ { BxLockable, BX_IA_XCHG_EwGw },
/* 88 /w */ { 0, BX_IA_MOV_EbGb },
/* 89 /w */ { 0, BX_IA_MOV_EwGw },
/* 8A /w */ { 0, BX_IA_MOV_GbEb },
/* 8B /w */ { 0, BX_IA_MOV_GwEw },
/* 8C /w */ { 0, BX_IA_MOV_EwSw },
/* 8D /w */ { 0, BX_IA_LEA_GwM },
/* 8E /w */ { 0, BX_IA_MOV_SwEw },
/* 8F /w */ { BxGroup1A, BX_IA_ERROR, BxOpcodeInfoG1AEw },
/* 90 /w */ { BxPrefixSSE, BX_IA_NOP, BxOpcodeGroupSSE_PAUSE },
/* 91 /w */ { 0, BX_IA_XCHG_RXAX },
/* 92 /w */ { 0, BX_IA_XCHG_RXAX },
/* 93 /w */ { 0, BX_IA_XCHG_RXAX },
/* 94 /w */ { 0, BX_IA_XCHG_RXAX },
/* 95 /w */ { 0, BX_IA_XCHG_RXAX },
/* 96 /w */ { 0, BX_IA_XCHG_RXAX },
/* 97 /w */ { 0, BX_IA_XCHG_RXAX },
/* 98 /w */ { 0, BX_IA_CBW },
/* 99 /w */ { 0, BX_IA_CWD },
/* 9A /w */ { BxImmediate_Iw | BxImmediate_Iw2 | BxTraceEnd, BX_IA_CALL16_Ap },
/* 9B /w */ { 0, BX_IA_FWAIT },
/* 9C /w */ { 0, BX_IA_PUSHF_Fw },
/* 9D /w */ { BxTraceEnd, BX_IA_POPF_Fw },
/* 9E /w */ { 0, BX_IA_SAHF },
/* 9F /w */ { 0, BX_IA_LAHF },
/* A0 /w */ { BxImmediate_O, BX_IA_MOV_ALOd },
/* A1 /w */ { BxImmediate_O, BX_IA_MOV_AXOd },
/* A2 /w */ { BxImmediate_O, BX_IA_MOV_OdAL },
/* A3 /w */ { BxImmediate_O, BX_IA_MOV_OdAX },
/* A4 /w */ { BxRepeatable, BX_IA_REP_MOVSB_XbYb },
/* A5 /w */ { BxRepeatable, BX_IA_REP_MOVSW_XwYw },
/* A6 /w */ { BxRepeatable, BX_IA_REP_CMPSB_XbYb },
/* A7 /w */ { BxRepeatable, BX_IA_REP_CMPSW_XwYw },
/* A8 /w */ { BxImmediate_Ib, BX_IA_TEST_ALIb },
/* A9 /w */ { BxImmediate_Iw, BX_IA_TEST_AXIw },
/* AA /w */ { BxRepeatable, BX_IA_REP_STOSB_YbAL },
/* AB /w */ { BxRepeatable, BX_IA_REP_STOSW_YwAX },
/* AC /w */ { BxRepeatable, BX_IA_REP_LODSB_ALXb },
/* AD /w */ { BxRepeatable, BX_IA_REP_LODSW_AXXw },
/* AE /w */ { BxRepeatable, BX_IA_REP_SCASB_ALXb },
/* AF /w */ { BxRepeatable, BX_IA_REP_SCASW_AXXw },
/* B0 /w */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
/* B1 /w */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
/* B2 /w */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
/* B3 /w */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
/* B4 /w */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
/* B5 /w */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
/* B6 /w */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
/* B7 /w */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
/* B8 /w */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
/* B9 /w */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
/* BA /w */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
/* BB /w */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
/* BC /w */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
/* BD /w */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
/* BE /w */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
/* BF /w */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
/* C0 /w */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EbIb },
/* C1 /w */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EwIb },
/* C2 /w */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETnear16_Iw },
/* C3 /w */ { BxTraceEnd, BX_IA_RETnear16 },
/* C4 /w */ { BxPrefixVEX, BX_IA_LES_GwMp },
/* C5 /w */ { BxPrefixVEX, BX_IA_LDS_GwMp },
/* C6 /w */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11Eb },
/* C7 /w */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11Ew },
/* C8 /w */ { BxImmediate_Iw | BxImmediate_Ib2, BX_IA_ENTER16_IwIb },
/* C9 /w */ { 0, BX_IA_LEAVE16 },
/* CA /w */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETfar16_Iw },
/* CB /w */ { BxTraceEnd, BX_IA_RETfar16 },
/* CC /w */ { BxTraceEnd, BX_IA_INT3 },
/* CD /w */ { BxImmediate_Ib | BxTraceEnd, BX_IA_INT_Ib },
/* CE /w */ { BxTraceEnd, BX_IA_INTO },
/* CF /w */ { BxTraceEnd, BX_IA_IRET16 },
/* D0 /w */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EbIb },
/* D1 /w */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EwIb },
/* D2 /w */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Eb },
/* D3 /w */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Ew },
/* D4 /w */ { BxImmediate_Ib, BX_IA_AAM },
/* D5 /w */ { BxImmediate_Ib, BX_IA_AAD },
/* D6 /w */ { 0, BX_IA_SALC },
/* D7 /w */ { 0, BX_IA_XLAT },
#if BX_SUPPORT_FPU
/* D8 /w */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupD8 },
/* D9 /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointD9 },
/* DA /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDA },
/* DB /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDB },
/* DC /w */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDC },
/* DD /w */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDD },
/* DE /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDE },
/* DF /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDF },
#else
/* D8 /w */ { 0, BX_IA_FPU_ESC },
/* D9 /w */ { 0, BX_IA_FPU_ESC },
/* DA /w */ { 0, BX_IA_FPU_ESC },
/* DB /w */ { 0, BX_IA_FPU_ESC },
/* DC /w */ { 0, BX_IA_FPU_ESC },
/* DD /w */ { 0, BX_IA_FPU_ESC },
/* DE /w */ { 0, BX_IA_FPU_ESC },
/* DF /w */ { 0, BX_IA_FPU_ESC },
#endif
/* E0 /w */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPNE16_Jb },
/* E1 /w */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPE16_Jb },
/* E2 /w */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOP16_Jb },
/* E3 /w */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JCXZ_Jb },
/* E4 /w */ { BxImmediate_Ib, BX_IA_IN_ALIb },
/* E5 /w */ { BxImmediate_Ib, BX_IA_IN_AXIb },
/* E6 /w */ { BxImmediate_Ib, BX_IA_OUT_IbAL },
/* E7 /w */ { BxImmediate_Ib, BX_IA_OUT_IbAX },
/* E8 /w */ { BxImmediate_BrOff16 | BxTraceEnd, BX_IA_CALL_Jw },
/* E9 /w */ { BxImmediate_BrOff16 | BxTraceEnd, BX_IA_JMP_Jw },
/* EA /w */ { BxImmediate_Iw | BxImmediate_Iw2 | BxTraceEnd, BX_IA_JMP_Ap },
/* EB /w */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JMP_Jw },
/* EC /w */ { 0, BX_IA_IN_ALDX },
/* ED /w */ { 0, BX_IA_IN_AXDX },
/* EE /w */ { 0, BX_IA_OUT_DXAL },
/* EF /w */ { 0, BX_IA_OUT_DXAX },
/* F0 /w */ { 0, BX_IA_ERROR }, // LOCK
/* F1 /w */ { BxTraceEnd, BX_IA_INT1 },
/* F2 /w */ { 0, BX_IA_ERROR }, // REPNE/REPNZ
/* F3 /w */ { 0, BX_IA_ERROR }, // REP, REPE/REPZ
/* F4 /w */ { BxTraceEnd, BX_IA_HLT },
/* F5 /w */ { 0, BX_IA_CMC },
/* F6 /w */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3Eb },
/* F7 /w */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3Ew },
/* F8 /w */ { 0, BX_IA_CLC },
/* F9 /w */ { 0, BX_IA_STC },
/* FA /w */ { 0, BX_IA_CLI },
/* FB /w */ { 0, BX_IA_STI },
/* FC /w */ { 0, BX_IA_CLD },
/* FD /w */ { 0, BX_IA_STD },
/* FE /w */ { BxGroup4, BX_IA_ERROR, BxOpcodeInfoG4 },
/* FF /w */ { BxGroup5, BX_IA_ERROR, BxOpcodeInfoG5w },
/* 0F 00 /w */ { BxGroup6, BX_IA_ERROR, BxOpcodeInfoG6 },
/* 0F 01 /w */ { BxGroup7, BX_IA_ERROR, BxOpcodeInfoG7 },
/* 0F 02 /w */ { 0, BX_IA_LAR_GvEw },
/* 0F 03 /w */ { 0, BX_IA_LSL_GvEw },
/* 0F 04 /w */ { 0, BX_IA_ERROR },
/* 0F 05 /w */ { BxTraceEnd, BX_IA_SYSCALL_LEGACY },
/* 0F 06 /w */ { BxTraceEnd, BX_IA_CLTS },
/* 0F 07 /w */ { BxTraceEnd, BX_IA_SYSRET_LEGACY },
/* 0F 08 /w */ { BxTraceEnd, BX_IA_INVD },
/* 0F 09 /w */ { BxTraceEnd, BX_IA_WBINVD },
/* 0F 0A /w */ { 0, BX_IA_ERROR },
/* 0F 0B /w */ { BxTraceEnd, BX_IA_UD2A },
/* 0F 0C /w */ { 0, BX_IA_ERROR },
/* 0F 0D /w */ { 0, BX_IA_PREFETCHW }, // 3DNow! PREFETCHW on AMD, NOP on Intel
/* 0F 0E /w */ { 0, BX_IA_FEMMS }, // 3DNow! FEMMS
/* 0F 0F /w */ { BxImmediate_Ib, BX_IA_ERROR }, // 3DNow! Opcode Table
/* 0F 10 /w */ { BxPrefixSSE, BX_IA_MOVUPS_VpsWps, BxOpcodeGroupSSE_0f10 },
/* 0F 11 /w */ { BxPrefixSSE, BX_IA_MOVUPS_WpsVps, BxOpcodeGroupSSE_0f11 },
/* 0F 12 /w */ { BxPrefixSSE, BX_IA_MOVLPS_VpsMq, BxOpcodeGroupSSE_0f12 },
/* 0F 13 /w */ { BxPrefixSSE, BX_IA_MOVLPS_MqVps, BxOpcodeGroupSSE_0f13M },
/* 0F 14 /w */ { BxPrefixSSE, BX_IA_UNPCKLPS_VpsWdq, BxOpcodeGroupSSE_0f14 },
/* 0F 15 /w */ { BxPrefixSSE, BX_IA_UNPCKHPS_VpsWdq, BxOpcodeGroupSSE_0f15 },
/* 0F 16 /w */ { BxPrefixSSE, BX_IA_MOVHPS_VpsMq, BxOpcodeGroupSSE_0f16 },
/* 0F 17 /w */ { BxPrefixSSE, BX_IA_MOVHPS_MqVps, BxOpcodeGroupSSE_0f17M },
#if BX_CPU_LEVEL >= 6
/* 0F 18 /w */ { 0, BX_IA_PREFETCH }, // opcode group G16, PREFETCH hints
/* 0F 19 /w */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1A /w */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1B /w */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1C /w */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1D /w */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1E /w */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1F /w */ { 0, BX_IA_NOP }, // multi-byte NOP
#else
/* 0F 18 /w */ { 0, BX_IA_ERROR },
/* 0F 19 /w */ { 0, BX_IA_ERROR },
/* 0F 1A /w */ { 0, BX_IA_ERROR },
/* 0F 1B /w */ { 0, BX_IA_ERROR },
/* 0F 1C /w */ { 0, BX_IA_ERROR },
/* 0F 1D /w */ { 0, BX_IA_ERROR },
/* 0F 1E /w */ { 0, BX_IA_ERROR },
/* 0F 1F /w */ { 0, BX_IA_ERROR },
#endif
/* 0F 20 /w */ { BxGroupN, BX_IA_ERROR, BxOpcodeInfoMOV_RdCd },
/* 0F 21 /w */ { 0, BX_IA_MOV_RdDd },
/* 0F 22 /w */ { BxGroupN, BX_IA_ERROR, BxOpcodeInfoMOV_CdRd },
/* 0F 23 /w */ { BxTraceEnd, BX_IA_MOV_DdRd },
/* 0F 24 /w */ { 0, BX_IA_ERROR }, // BX_IA_MOV_RdTd not implemented
/* 0F 25 /w */ { 0, BX_IA_ERROR },
/* 0F 26 /w */ { 0, BX_IA_ERROR }, // BX_IA_MOV_TdRd not implemented
/* 0F 27 /w */ { 0, BX_IA_ERROR },
/* 0F 28 /w */ { BxPrefixSSE, BX_IA_MOVAPS_VpsWps, BxOpcodeGroupSSE_0f28 },
/* 0F 29 /w */ { BxPrefixSSE, BX_IA_MOVAPS_WpsVps, BxOpcodeGroupSSE_0f29 },
/* 0F 2A /w */ { BxPrefixSSE, BX_IA_CVTPI2PS_VpsQq, BxOpcodeGroupSSE_0f2a },
/* 0F 2B /w */ { BxPrefixSSE, BX_IA_MOVNTPS_MpsVps, BxOpcodeGroupSSE_0f2bM },
/* 0F 2C /w */ { BxPrefixSSE, BX_IA_CVTTPS2PI_PqWps, BxOpcodeGroupSSE_0f2c },
/* 0F 2D /w */ { BxPrefixSSE, BX_IA_CVTPS2PI_PqWps, BxOpcodeGroupSSE_0f2d },
/* 0F 2E /w */ { BxPrefixSSE, BX_IA_UCOMISS_VssWss, BxOpcodeGroupSSE_0f2e },
/* 0F 2F /w */ { BxPrefixSSE, BX_IA_COMISS_VpsWps, BxOpcodeGroupSSE_0f2f },
/* 0F 30 /w */ { 0, BX_IA_WRMSR },
/* 0F 31 /w */ { BxTraceEnd, BX_IA_RDTSC }, // end trace to avoid multiple TSC samples in one cycle
/* 0F 32 /w */ { BxTraceEnd, BX_IA_RDMSR }, // end trace to avoid multiple TSC samples in one cycle
/* 0F 33 /w */ { 0, BX_IA_RDPMC },
/* 0F 34 /w */ { BxTraceEnd, BX_IA_SYSENTER },
/* 0F 35 /w */ { BxTraceEnd, BX_IA_SYSEXIT },
/* 0F 36 /w */ { 0, BX_IA_ERROR },
/* 0F 37 /w */ { 0, BX_IA_GETSEC },
#if BX_CPU_LEVEL >= 6
/* 0F 38 /w */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f38 }, // 3-byte escape
#else
/* 0F 38 /w */ { 0, BX_IA_ERROR },
#endif
/* 0F 39 /w */ { 0, BX_IA_ERROR },
#if BX_CPU_LEVEL >= 6
/* 0F 3A /w */ { Bx3ByteOp | BxImmediate_Ib, BX_IA_ERROR, BxOpcode3ByteTable0f3a }, // 3-byte escape
#else
/* 0F 3A /w */ { 0, BX_IA_ERROR },
#endif
/* 0F 3B /w */ { 0, BX_IA_ERROR },
/* 0F 3C /w */ { 0, BX_IA_ERROR },
/* 0F 3D /w */ { 0, BX_IA_ERROR },
/* 0F 3E /w */ { 0, BX_IA_ERROR },
/* 0F 3F /w */ { 0, BX_IA_ERROR },
/* 0F 40 /w */ { 0, BX_IA_CMOVO_GwEw },
/* 0F 41 /w */ { 0, BX_IA_CMOVNO_GwEw },
/* 0F 42 /w */ { 0, BX_IA_CMOVB_GwEw },
/* 0F 43 /w */ { 0, BX_IA_CMOVNB_GwEw },
/* 0F 44 /w */ { 0, BX_IA_CMOVZ_GwEw },
/* 0F 45 /w */ { 0, BX_IA_CMOVNZ_GwEw },
/* 0F 46 /w */ { 0, BX_IA_CMOVBE_GwEw },
/* 0F 47 /w */ { 0, BX_IA_CMOVNBE_GwEw },
/* 0F 48 /w */ { 0, BX_IA_CMOVS_GwEw },
/* 0F 49 /w */ { 0, BX_IA_CMOVNS_GwEw },
/* 0F 4A /w */ { 0, BX_IA_CMOVP_GwEw },
/* 0F 4B /w */ { 0, BX_IA_CMOVNP_GwEw },
/* 0F 4C /w */ { 0, BX_IA_CMOVL_GwEw },
/* 0F 4D /w */ { 0, BX_IA_CMOVNL_GwEw },
/* 0F 4E /w */ { 0, BX_IA_CMOVLE_GwEw },
/* 0F 4F /w */ { 0, BX_IA_CMOVNLE_GwEw },
/* 0F 50 /w */ { BxPrefixSSE, BX_IA_MOVMSKPS_GdVRps, BxOpcodeGroupSSE_0f50R },
/* 0F 51 /w */ { BxPrefixSSE, BX_IA_SQRTPS_VpsWps, BxOpcodeGroupSSE_0f51 },
/* 0F 52 /w */ { BxPrefixSSE, BX_IA_RSQRTPS_VpsWps, BxOpcodeGroupSSE_0f52 },
/* 0F 53 /w */ { BxPrefixSSE, BX_IA_RCPPS_VpsWps, BxOpcodeGroupSSE_0f53 },
/* 0F 54 /w */ { BxPrefixSSE, BX_IA_ANDPS_VpsWps, BxOpcodeGroupSSE_0f54 },
/* 0F 55 /w */ { BxPrefixSSE, BX_IA_ANDNPS_VpsWps, BxOpcodeGroupSSE_0f55 },
/* 0F 56 /w */ { BxPrefixSSE, BX_IA_ORPS_VpsWps, BxOpcodeGroupSSE_0f56 },
/* 0F 57 /w */ { BxPrefixSSE, BX_IA_XORPS_VpsWps, BxOpcodeGroupSSE_0f57 },
/* 0F 58 /w */ { BxPrefixSSE, BX_IA_ADDPS_VpsWps, BxOpcodeGroupSSE_0f58 },
/* 0F 59 /w */ { BxPrefixSSE, BX_IA_MULPS_VpsWps, BxOpcodeGroupSSE_0f59 },
/* 0F 5A /w */ { BxPrefixSSE, BX_IA_CVTPS2PD_VpdWps, BxOpcodeGroupSSE_0f5a },
/* 0F 5B /w */ { BxPrefixSSE, BX_IA_CVTDQ2PS_VpsWdq, BxOpcodeGroupSSE_0f5b },
/* 0F 5C /w */ { BxPrefixSSE, BX_IA_SUBPS_VpsWps, BxOpcodeGroupSSE_0f5c },
/* 0F 5D /w */ { BxPrefixSSE, BX_IA_MINPS_VpsWps, BxOpcodeGroupSSE_0f5d },
/* 0F 5E /w */ { BxPrefixSSE, BX_IA_DIVPS_VpsWps, BxOpcodeGroupSSE_0f5e },
/* 0F 5F /w */ { BxPrefixSSE, BX_IA_MAXPS_VpsWps, BxOpcodeGroupSSE_0f5f },
/* 0F 60 /w */ { BxPrefixSSE, BX_IA_PUNPCKLBW_PqQd, BxOpcodeGroupSSE_0f60 },
/* 0F 61 /w */ { BxPrefixSSE, BX_IA_PUNPCKLWD_PqQd, BxOpcodeGroupSSE_0f61 },
/* 0F 62 /w */ { BxPrefixSSE, BX_IA_PUNPCKLDQ_PqQd, BxOpcodeGroupSSE_0f62 },
/* 0F 63 /w */ { BxPrefixSSE, BX_IA_PACKSSWB_PqQq, BxOpcodeGroupSSE_0f63 },
/* 0F 64 /w */ { BxPrefixSSE, BX_IA_PCMPGTB_PqQq, BxOpcodeGroupSSE_0f64 },
/* 0F 65 /w */ { BxPrefixSSE, BX_IA_PCMPGTW_PqQq, BxOpcodeGroupSSE_0f65 },
/* 0F 66 /w */ { BxPrefixSSE, BX_IA_PCMPGTD_PqQq, BxOpcodeGroupSSE_0f66 },
/* 0F 67 /w */ { BxPrefixSSE, BX_IA_PACKUSWB_PqQq, BxOpcodeGroupSSE_0f67 },
/* 0F 68 /w */ { BxPrefixSSE, BX_IA_PUNPCKHBW_PqQq, BxOpcodeGroupSSE_0f68 },
/* 0F 69 /w */ { BxPrefixSSE, BX_IA_PUNPCKHWD_PqQq, BxOpcodeGroupSSE_0f69 },
/* 0F 6A /w */ { BxPrefixSSE, BX_IA_PUNPCKHDQ_PqQq, BxOpcodeGroupSSE_0f6a },
/* 0F 6B /w */ { BxPrefixSSE, BX_IA_PACKSSDW_PqQq, BxOpcodeGroupSSE_0f6b },
/* 0F 6C /w */ { BxPrefixSSE66, BX_IA_PUNPCKLQDQ_VdqWdq },
/* 0F 6D /w */ { BxPrefixSSE66, BX_IA_PUNPCKHQDQ_VdqWdq },
/* 0F 6E /w */ { BxPrefixSSE, BX_IA_MOVD_PqEd, BxOpcodeGroupSSE_0f6e },
/* 0F 6F /w */ { BxPrefixSSE, BX_IA_MOVQ_PqQq, BxOpcodeGroupSSE_0f6f },
/* 0F 70 /w */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PSHUFW_PqQqIb, BxOpcodeGroupSSE_0f70 },
/* 0F 71 /w */ { BxGroup12, BX_IA_ERROR, BxOpcodeInfoG12R },
/* 0F 72 /w */ { BxGroup13, BX_IA_ERROR, BxOpcodeInfoG13R },
/* 0F 73 /w */ { BxGroup14, BX_IA_ERROR, BxOpcodeInfoG14R },
/* 0F 74 /w */ { BxPrefixSSE, BX_IA_PCMPEQB_PqQq, BxOpcodeGroupSSE_0f74 },
/* 0F 75 /w */ { BxPrefixSSE, BX_IA_PCMPEQW_PqQq, BxOpcodeGroupSSE_0f75 },
/* 0F 76 /w */ { BxPrefixSSE, BX_IA_PCMPEQD_PqQq, BxOpcodeGroupSSE_0f76 },
/* 0F 77 /w */ { BxPrefixSSE, BX_IA_EMMS, BxOpcodeGroupSSE_ERR },
/* 0F 78 /w */ { BxPrefixSSE, BX_IA_VMREAD_EdGd, BxOpcodeGroupSSE4A_0f78 },
/* 0F 79 /w */ { BxPrefixSSE, BX_IA_VMWRITE_GdEd, BxOpcodeGroupSSE4A_0f79 },
/* 0F 7A /w */ { 0, BX_IA_ERROR },
/* 0F 7B /w */ { 0, BX_IA_ERROR },
/* 0F 7C /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7c },
/* 0F 7D /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7d },
/* 0F 7E /w */ { BxPrefixSSE, BX_IA_MOVD_EdPd, BxOpcodeGroupSSE_0f7e },
/* 0F 7F /w */ { BxPrefixSSE, BX_IA_MOVQ_QqPq, BxOpcodeGroupSSE_0f7f },
/* 0F 80 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JO_Jw },
/* 0F 81 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNO_Jw },
/* 0F 82 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JB_Jw },
/* 0F 83 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNB_Jw },
/* 0F 84 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JZ_Jw },
/* 0F 85 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNZ_Jw },
/* 0F 86 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JBE_Jw },
/* 0F 87 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNBE_Jw },
/* 0F 88 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JS_Jw },
/* 0F 89 /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNS_Jw },
/* 0F 8A /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JP_Jw },
/* 0F 8B /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNP_Jw },
/* 0F 8C /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JL_Jw },
/* 0F 8D /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNL_Jw },
/* 0F 8E /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JLE_Jw },
/* 0F 8F /w */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNLE_Jw },
/* 0F 90 /w */ { 0, BX_IA_SETO_Eb },
/* 0F 91 /w */ { 0, BX_IA_SETNO_Eb },
/* 0F 92 /w */ { 0, BX_IA_SETB_Eb },
/* 0F 93 /w */ { 0, BX_IA_SETNB_Eb },
/* 0F 94 /w */ { 0, BX_IA_SETZ_Eb },
/* 0F 95 /w */ { 0, BX_IA_SETNZ_Eb },
/* 0F 96 /w */ { 0, BX_IA_SETBE_Eb },
/* 0F 97 /w */ { 0, BX_IA_SETNBE_Eb },
/* 0F 98 /w */ { 0, BX_IA_SETS_Eb },
/* 0F 99 /w */ { 0, BX_IA_SETNS_Eb },
/* 0F 9A /w */ { 0, BX_IA_SETP_Eb },
/* 0F 9B /w */ { 0, BX_IA_SETNP_Eb },
/* 0F 9C /w */ { 0, BX_IA_SETL_Eb },
/* 0F 9D /w */ { 0, BX_IA_SETNL_Eb },
/* 0F 9E /w */ { 0, BX_IA_SETLE_Eb },
/* 0F 9F /w */ { 0, BX_IA_SETNLE_Eb },
/* 0F A0 /w */ { 0, BX_IA_PUSH16_FS },
/* 0F A1 /w */ { 0, BX_IA_POP16_FS },
/* 0F A2 /w */ { 0, BX_IA_CPUID },
/* 0F A3 /w */ { 0, BX_IA_BT_EwGw },
/* 0F A4 /w */ { BxImmediate_Ib, BX_IA_SHLD_EwGwIb },
/* 0F A5 /w */ { 0, BX_IA_SHLD_EwGw },
/* 0F A6 /w */ { 0, BX_IA_ERROR }, // CMPXCHG_XBTS not implemented
/* 0F A7 /w */ { 0, BX_IA_ERROR }, // CMPXCHG_IBTS not implemented
/* 0F A8 /w */ { 0, BX_IA_PUSH16_GS },
/* 0F A9 /w */ { 0, BX_IA_POP16_GS },
/* 0F AA /w */ { BxTraceEnd, BX_IA_RSM },
/* 0F AB /w */ { BxLockable, BX_IA_BTS_EwGw },
/* 0F AC /w */ { BxImmediate_Ib, BX_IA_SHRD_EwGwIb },
/* 0F AD /w */ { 0, BX_IA_SHRD_EwGw },
/* 0F AE /w */ { BxGroup15, BX_IA_ERROR, BxOpcodeInfoG15 },
/* 0F AF /w */ { 0, BX_IA_IMUL_GwEw },
/* 0F B0 /w */ { BxLockable, BX_IA_CMPXCHG_EbGb },
/* 0F B1 /w */ { BxLockable, BX_IA_CMPXCHG_EwGw },
/* 0F B2 /w */ { 0, BX_IA_LSS_GwMp },
/* 0F B3 /w */ { BxLockable, BX_IA_BTR_EwGw },
/* 0F B4 /w */ { 0, BX_IA_LFS_GwMp },
/* 0F B5 /w */ { 0, BX_IA_LGS_GwMp },
/* 0F B6 /w */ { 0, BX_IA_MOVZX_GwEb },
/* 0F B7 /w */ { 0, BX_IA_MOV_GwEw }, // MOVZX_GwEw
/* 0F B8 /w */ { BxPrefixSSEF3, BX_IA_POPCNT_GwEw },
/* 0F B9 /w */ { BxTraceEnd, BX_IA_UD2B },
/* 0F BA /w */ { BxGroup8, BX_IA_ERROR, BxOpcodeInfoG8EwIb },
/* 0F BB /w */ { BxLockable, BX_IA_BTC_EwGw },
/* 0F BC /w */ { BxPrefixSSE, BX_IA_BSF_GwEw, BxOpcodeGroupSSE_TZCNT16 },
/* 0F BD /w */ { BxPrefixSSE, BX_IA_BSR_GwEw, BxOpcodeGroupSSE_LZCNT16 },
/* 0F BE /w */ { 0, BX_IA_MOVSX_GwEb },
/* 0F BF /w */ { 0, BX_IA_MOV_GwEw }, // MOVSX_GwEw
/* 0F C0 /w */ { BxLockable, BX_IA_XADD_EbGb },
/* 0F C1 /w */ { BxLockable, BX_IA_XADD_EwGw },
/* 0F C2 /w */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_CMPPS_VpsWpsIb, BxOpcodeGroupSSE_0fc2 },
/* 0F C3 /w */ { BxPrefixSSE, BX_IA_MOVNTI32_MdGd, BxOpcodeGroupSSE_ERR },
/* 0F C4 /w */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PINSRW_PqEwIb, BxOpcodeGroupSSE_0fc4 },
/* 0F C5 /w */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PEXTRW_GdPqIb, BxOpcodeGroupSSE_0fc5R },
/* 0F C6 /w */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_SHUFPS_VpsWpsIb, BxOpcodeGroupSSE_0fc6 },
/* 0F C7 /w */ { BxGroup9, BX_IA_ERROR, BxOpcodeInfoG9M },
/* 0F C8 /w */ { 0, BX_IA_BSWAP_RX },
/* 0F C9 /w */ { 0, BX_IA_BSWAP_RX },
/* 0F CA /w */ { 0, BX_IA_BSWAP_RX },
/* 0F CB /w */ { 0, BX_IA_BSWAP_RX },
/* 0F CC /w */ { 0, BX_IA_BSWAP_RX },
/* 0F CD /w */ { 0, BX_IA_BSWAP_RX },
/* 0F CE /w */ { 0, BX_IA_BSWAP_RX },
/* 0F CF /w */ { 0, BX_IA_BSWAP_RX },
/* 0F D0 /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd0 },
/* 0F D1 /w */ { BxPrefixSSE, BX_IA_PSRLW_PqQq, BxOpcodeGroupSSE_0fd1 },
/* 0F D2 /w */ { BxPrefixSSE, BX_IA_PSRLD_PqQq, BxOpcodeGroupSSE_0fd2 },
/* 0F D3 /w */ { BxPrefixSSE, BX_IA_PSRLQ_PqQq, BxOpcodeGroupSSE_0fd3 },
/* 0F D4 /w */ { BxPrefixSSE, BX_IA_PADDQ_PqQq, BxOpcodeGroupSSE_0fd4 },
/* 0F D5 /w */ { BxPrefixSSE, BX_IA_PMULLW_PqQq, BxOpcodeGroupSSE_0fd5 },
/* 0F D6 /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd6 },
/* 0F D7 /w */ { BxPrefixSSE, BX_IA_PMOVMSKB_GdPRq, BxOpcodeGroupSSE_0fd7R },
/* 0F D8 /w */ { BxPrefixSSE, BX_IA_PSUBUSB_PqQq, BxOpcodeGroupSSE_0fd8 },
/* 0F D9 /w */ { BxPrefixSSE, BX_IA_PSUBUSW_PqQq, BxOpcodeGroupSSE_0fd9 },
/* 0F DA /w */ { BxPrefixSSE, BX_IA_PMINUB_PqQq, BxOpcodeGroupSSE_0fda },
/* 0F DB /w */ { BxPrefixSSE, BX_IA_PAND_PqQq, BxOpcodeGroupSSE_0fdb },
/* 0F DC /w */ { BxPrefixSSE, BX_IA_PADDUSB_PqQq, BxOpcodeGroupSSE_0fdc },
/* 0F DD /w */ { BxPrefixSSE, BX_IA_PADDUSW_PqQq, BxOpcodeGroupSSE_0fdd },
/* 0F DE /w */ { BxPrefixSSE, BX_IA_PMAXUB_PqQq, BxOpcodeGroupSSE_0fde },
/* 0F DF /w */ { BxPrefixSSE, BX_IA_PANDN_PqQq, BxOpcodeGroupSSE_0fdf },
/* 0F E0 /w */ { BxPrefixSSE, BX_IA_PAVGB_PqQq, BxOpcodeGroupSSE_0fe0 },
/* 0F E1 /w */ { BxPrefixSSE, BX_IA_PSRAW_PqQq, BxOpcodeGroupSSE_0fe1 },
/* 0F E2 /w */ { BxPrefixSSE, BX_IA_PSRAD_PqQq, BxOpcodeGroupSSE_0fe2 },
/* 0F E3 /w */ { BxPrefixSSE, BX_IA_PAVGW_PqQq, BxOpcodeGroupSSE_0fe3 },
/* 0F E4 /w */ { BxPrefixSSE, BX_IA_PMULHUW_PqQq, BxOpcodeGroupSSE_0fe4 },
/* 0F E5 /w */ { BxPrefixSSE, BX_IA_PMULHW_PqQq, BxOpcodeGroupSSE_0fe5 },
/* 0F E6 /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fe6 },
/* 0F E7 /w */ { BxPrefixSSE, BX_IA_MOVNTQ_MqPq, BxOpcodeGroupSSE_0fe7M },
/* 0F E8 /w */ { BxPrefixSSE, BX_IA_PSUBSB_PqQq, BxOpcodeGroupSSE_0fe8 },
/* 0F E9 /w */ { BxPrefixSSE, BX_IA_PSUBSW_PqQq, BxOpcodeGroupSSE_0fe9 },
/* 0F EA /w */ { BxPrefixSSE, BX_IA_PMINSW_PqQq, BxOpcodeGroupSSE_0fea },
/* 0F EB /w */ { BxPrefixSSE, BX_IA_POR_PqQq, BxOpcodeGroupSSE_0feb },
/* 0F EC /w */ { BxPrefixSSE, BX_IA_PADDSB_PqQq, BxOpcodeGroupSSE_0fec },
/* 0F ED /w */ { BxPrefixSSE, BX_IA_PADDSW_PqQq, BxOpcodeGroupSSE_0fed },
/* 0F EE /w */ { BxPrefixSSE, BX_IA_PMAXSW_PqQq, BxOpcodeGroupSSE_0fee },
/* 0F EF /w */ { BxPrefixSSE, BX_IA_PXOR_PqQq, BxOpcodeGroupSSE_0fef },
/* 0F F0 /w */ { BxPrefixSSEF2, BX_IA_LDDQU_VdqMdq },
/* 0F F1 /w */ { BxPrefixSSE, BX_IA_PSLLW_PqQq, BxOpcodeGroupSSE_0ff1 },
/* 0F F2 /w */ { BxPrefixSSE, BX_IA_PSLLD_PqQq, BxOpcodeGroupSSE_0ff2 },
/* 0F F3 /w */ { BxPrefixSSE, BX_IA_PSLLQ_PqQq, BxOpcodeGroupSSE_0ff3 },
/* 0F F4 /w */ { BxPrefixSSE, BX_IA_PMULUDQ_PqQq, BxOpcodeGroupSSE_0ff4 },
/* 0F F5 /w */ { BxPrefixSSE, BX_IA_PMADDWD_PqQq, BxOpcodeGroupSSE_0ff5 },
/* 0F F6 /w */ { BxPrefixSSE, BX_IA_PSADBW_PqQq, BxOpcodeGroupSSE_0ff6 },
/* 0F F7 /w */ { BxPrefixSSE, BX_IA_MASKMOVQ_PqPRq, BxOpcodeGroupSSE_0ff7R },
/* 0F F8 /w */ { BxPrefixSSE, BX_IA_PSUBB_PqQq, BxOpcodeGroupSSE_0ff8 },
/* 0F F9 /w */ { BxPrefixSSE, BX_IA_PSUBW_PqQq, BxOpcodeGroupSSE_0ff9 },
/* 0F FA /w */ { BxPrefixSSE, BX_IA_PSUBD_PqQq, BxOpcodeGroupSSE_0ffa },
/* 0F FB /w */ { BxPrefixSSE, BX_IA_PSUBQ_PqQq, BxOpcodeGroupSSE_0ffb },
/* 0F FC /w */ { BxPrefixSSE, BX_IA_PADDB_PqQq, BxOpcodeGroupSSE_0ffc },
/* 0F FD /w */ { BxPrefixSSE, BX_IA_PADDW_PqQq, BxOpcodeGroupSSE_0ffd },
/* 0F FE /w */ { BxPrefixSSE, BX_IA_PADDD_PqQq, BxOpcodeGroupSSE_0ffe },
/* 0F FF /w */ { 0, BX_IA_ERROR },
// 512 entries for 32bit mode
/* 00 /d */ { BxLockable, BX_IA_ADD_EbGb },
/* 01 /d */ { BxLockable, BX_IA_ADD_EdGd },
/* 02 /d */ { 0, BX_IA_ADD_GbEb },
/* 03 /d */ { 0, BX_IA_ADD_GdEd },
/* 04 /d */ { BxImmediate_Ib, BX_IA_ADD_ALIb },
/* 05 /d */ { BxImmediate_Id, BX_IA_ADD_EAXId },
/* 06 /d */ { 0, BX_IA_PUSH32_ES },
/* 07 /d */ { 0, BX_IA_POP32_ES },
/* 08 /d */ { BxLockable, BX_IA_OR_EbGb },
/* 09 /d */ { BxLockable, BX_IA_OR_EdGd },
/* 0A /d */ { 0, BX_IA_OR_GbEb },
/* 0B /d */ { 0, BX_IA_OR_GdEd },
/* 0C /d */ { BxImmediate_Ib, BX_IA_OR_ALIb },
/* 0D /d */ { BxImmediate_Id, BX_IA_OR_EAXId },
/* 0E /d */ { 0, BX_IA_PUSH32_CS },
/* 0F /d */ { 0, BX_IA_ERROR }, // 2-byte escape
/* 10 /d */ { BxLockable, BX_IA_ADC_EbGb },
/* 11 /d */ { BxLockable, BX_IA_ADC_EdGd },
/* 12 /d */ { 0, BX_IA_ADC_GbEb },
/* 13 /d */ { 0, BX_IA_ADC_GdEd },
/* 14 /d */ { BxImmediate_Ib, BX_IA_ADC_ALIb },
/* 15 /d */ { BxImmediate_Id, BX_IA_ADC_EAXId },
/* 16 /d */ { 0, BX_IA_PUSH32_SS },
/* 17 /d */ { 0, BX_IA_POP32_SS },
/* 18 /d */ { BxLockable, BX_IA_SBB_EbGb },
/* 19 /d */ { BxLockable, BX_IA_SBB_EdGd },
/* 1A /d */ { 0, BX_IA_SBB_GbEb },
/* 1B /d */ { 0, BX_IA_SBB_GdEd },
/* 1C /d */ { BxImmediate_Ib, BX_IA_SBB_ALIb },
/* 1D /d */ { BxImmediate_Id, BX_IA_SBB_EAXId },
/* 1E /d */ { 0, BX_IA_PUSH32_DS },
/* 1F /d */ { 0, BX_IA_POP32_DS },
/* 20 /d */ { BxLockable, BX_IA_AND_EbGb },
/* 21 /d */ { BxLockable, BX_IA_AND_EdGd },
/* 22 /d */ { 0, BX_IA_AND_GbEb },
/* 23 /d */ { 0, BX_IA_AND_GdEd },
/* 24 /d */ { BxImmediate_Ib, BX_IA_AND_ALIb },
/* 25 /d */ { BxImmediate_Id, BX_IA_AND_EAXId },
/* 26 /d */ { 0, BX_IA_ERROR }, // ES:
/* 27 /d */ { 0, BX_IA_DAA },
/* 28 /d */ { BxLockable, BX_IA_SUB_EbGb },
/* 29 /d */ { BxLockable, BX_IA_SUB_EdGd },
/* 2A /d */ { 0, BX_IA_SUB_GbEb },
/* 2B /d */ { 0, BX_IA_SUB_GdEd },
/* 2C /d */ { BxImmediate_Ib, BX_IA_SUB_ALIb },
/* 2D /d */ { BxImmediate_Id, BX_IA_SUB_EAXId },
/* 2E /d */ { 0, BX_IA_ERROR }, // CS:
/* 2F /d */ { 0, BX_IA_DAS },
/* 30 /d */ { BxLockable, BX_IA_XOR_EbGb },
/* 31 /d */ { BxLockable, BX_IA_XOR_EdGd },
/* 32 /d */ { 0, BX_IA_XOR_GbEb },
/* 33 /d */ { 0, BX_IA_XOR_GdEd },
/* 34 /d */ { BxImmediate_Ib, BX_IA_XOR_ALIb },
/* 35 /d */ { BxImmediate_Id, BX_IA_XOR_EAXId },
/* 36 /d */ { 0, BX_IA_ERROR }, // SS:
/* 37 /d */ { 0, BX_IA_AAA },
/* 38 /d */ { 0, BX_IA_CMP_EbGb },
/* 39 /d */ { 0, BX_IA_CMP_EdGd },
/* 3A /d */ { 0, BX_IA_CMP_GbEb },
/* 3B /d */ { 0, BX_IA_CMP_GdEd },
/* 3C /d */ { BxImmediate_Ib, BX_IA_CMP_ALIb },
/* 3D /d */ { BxImmediate_Id, BX_IA_CMP_EAXId },
/* 3E /d */ { 0, BX_IA_ERROR }, // DS:
/* 3F /d */ { 0, BX_IA_AAS },
/* 40 /d */ { 0, BX_IA_INC_ERX },
/* 41 /d */ { 0, BX_IA_INC_ERX },
/* 42 /d */ { 0, BX_IA_INC_ERX },
/* 43 /d */ { 0, BX_IA_INC_ERX },
/* 44 /d */ { 0, BX_IA_INC_ERX },
/* 45 /d */ { 0, BX_IA_INC_ERX },
/* 46 /d */ { 0, BX_IA_INC_ERX },
/* 47 /d */ { 0, BX_IA_INC_ERX },
/* 48 /d */ { 0, BX_IA_DEC_ERX },
/* 49 /d */ { 0, BX_IA_DEC_ERX },
/* 4A /d */ { 0, BX_IA_DEC_ERX },
/* 4B /d */ { 0, BX_IA_DEC_ERX },
/* 4C /d */ { 0, BX_IA_DEC_ERX },
/* 4D /d */ { 0, BX_IA_DEC_ERX },
/* 4E /d */ { 0, BX_IA_DEC_ERX },
/* 4F /d */ { 0, BX_IA_DEC_ERX },
/* 50 /d */ { 0, BX_IA_PUSH_ERX },
/* 51 /d */ { 0, BX_IA_PUSH_ERX },
/* 52 /d */ { 0, BX_IA_PUSH_ERX },
/* 53 /d */ { 0, BX_IA_PUSH_ERX },
/* 54 /d */ { 0, BX_IA_PUSH_ERX },
/* 55 /d */ { 0, BX_IA_PUSH_ERX },
/* 56 /d */ { 0, BX_IA_PUSH_ERX },
/* 57 /d */ { 0, BX_IA_PUSH_ERX },
/* 58 /d */ { 0, BX_IA_POP_ERX },
/* 59 /d */ { 0, BX_IA_POP_ERX },
/* 5A /d */ { 0, BX_IA_POP_ERX },
/* 5B /d */ { 0, BX_IA_POP_ERX },
/* 5C /d */ { 0, BX_IA_POP_ERX },
/* 5D /d */ { 0, BX_IA_POP_ERX },
/* 5E /d */ { 0, BX_IA_POP_ERX },
/* 5F /d */ { 0, BX_IA_POP_ERX },
/* 60 /d */ { 0, BX_IA_PUSHAD32 },
/* 61 /d */ { 0, BX_IA_POPAD32 },
/* 62 /d */ { 0, BX_IA_BOUND_GdMa },
/* 63 /d */ { 0, BX_IA_ARPL_EwGw },
/* 64 /d */ { 0, BX_IA_ERROR }, // FS:
/* 65 /d */ { 0, BX_IA_ERROR }, // GS:
/* 66 /d */ { 0, BX_IA_ERROR }, // OS:
/* 67 /d */ { 0, BX_IA_ERROR }, // AS:
/* 68 /d */ { BxImmediate_Id, BX_IA_PUSH_Id },
/* 69 /d */ { BxImmediate_Id, BX_IA_IMUL_GdEdId },
/* 6A /d */ { BxImmediate_Ib_SE, BX_IA_PUSH_Id },
/* 6B /d */ { BxImmediate_Ib_SE, BX_IA_IMUL_GdEdId },
/* 6C /d */ { BxRepeatable, BX_IA_REP_INSB_YbDX },
/* 6D /d */ { BxRepeatable, BX_IA_REP_INSD_YdDX },
/* 6E /d */ { BxRepeatable, BX_IA_REP_OUTSB_DXXb },
/* 6F /d */ { BxRepeatable, BX_IA_REP_OUTSD_DXXd },
/* 70 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JO_Jd },
/* 71 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNO_Jd },
/* 72 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JB_Jd },
/* 73 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNB_Jd },
/* 74 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JZ_Jd },
/* 75 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNZ_Jd },
/* 76 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JBE_Jd },
/* 77 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNBE_Jd },
/* 78 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JS_Jd },
/* 79 /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNS_Jd },
/* 7A /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JP_Jd },
/* 7B /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNP_Jd },
/* 7C /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JL_Jd },
/* 7D /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNL_Jd },
/* 7E /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JLE_Jd },
/* 7F /d */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNLE_Jd },
/* 80 /d */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIb },
/* 81 /d */ { BxGroup1 | BxImmediate_Id, BX_IA_ERROR, BxOpcodeInfoG1Ed },
/* 82 /d */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIb },
/* 83 /d */ { BxGroup1 | BxImmediate_Ib_SE, BX_IA_ERROR, BxOpcodeInfoG1Ed },
/* 84 /d */ { 0, BX_IA_TEST_EbGb },
/* 85 /d */ { 0, BX_IA_TEST_EdGd },
/* 86 /d */ { BxLockable, BX_IA_XCHG_EbGb },
/* 87 /d */ { BxLockable, BX_IA_XCHG_EdGd },
/* 88 /d */ { 0, BX_IA_MOV_EbGb },
/* 89 /d */ { 0, BX_IA_MOV32_EdGd },
/* 8A /d */ { 0, BX_IA_MOV_GbEb },
/* 8B /d */ { 0, BX_IA_MOV32_GdEd },
/* 8C /d */ { 0, BX_IA_MOV_EwSw },
/* 8D /d */ { 0, BX_IA_LEA_GdM },
/* 8E /d */ { 0, BX_IA_MOV_SwEw },
/* 8F /d */ { BxGroup1A, BX_IA_ERROR, BxOpcodeInfoG1AEd },
/* 90 /d */ { BxPrefixSSE, BX_IA_NOP, BxOpcodeGroupSSE_PAUSE },
/* 91 /d */ { 0, BX_IA_XCHG_ERXEAX },
/* 92 /d */ { 0, BX_IA_XCHG_ERXEAX },
/* 93 /d */ { 0, BX_IA_XCHG_ERXEAX },
/* 94 /d */ { 0, BX_IA_XCHG_ERXEAX },
/* 95 /d */ { 0, BX_IA_XCHG_ERXEAX },
/* 96 /d */ { 0, BX_IA_XCHG_ERXEAX },
/* 97 /d */ { 0, BX_IA_XCHG_ERXEAX },
/* 98 /d */ { 0, BX_IA_CWDE },
/* 99 /d */ { 0, BX_IA_CDQ },
/* 9A /d */ { BxImmediate_Id | BxImmediate_Iw2 | BxTraceEnd, BX_IA_CALL32_Ap },
/* 9B /d */ { 0, BX_IA_FWAIT },
/* 9C /d */ { 0, BX_IA_PUSHF_Fd },
/* 9D /d */ { BxTraceEnd, BX_IA_POPF_Fd },
/* 9E /d */ { 0, BX_IA_SAHF },
/* 9F /d */ { 0, BX_IA_LAHF },
/* A0 /d */ { BxImmediate_O, BX_IA_MOV_ALOd },
/* A1 /d */ { BxImmediate_O, BX_IA_MOV_EAXOd },
/* A2 /d */ { BxImmediate_O, BX_IA_MOV_OdAL },
/* A3 /d */ { BxImmediate_O, BX_IA_MOV_OdEAX },
/* A4 /d */ { BxRepeatable, BX_IA_REP_MOVSB_XbYb },
/* A5 /d */ { BxRepeatable, BX_IA_REP_MOVSD_XdYd },
/* A6 /d */ { BxRepeatable, BX_IA_REP_CMPSB_XbYb },
/* A7 /d */ { BxRepeatable, BX_IA_REP_CMPSD_XdYd },
/* A8 /d */ { BxImmediate_Ib, BX_IA_TEST_ALIb },
/* A9 /d */ { BxImmediate_Id, BX_IA_TEST_EAXId },
/* AA /d */ { BxRepeatable, BX_IA_REP_STOSB_YbAL },
/* AB /d */ { BxRepeatable, BX_IA_REP_STOSD_YdEAX },
/* AC /d */ { BxRepeatable, BX_IA_REP_LODSB_ALXb },
/* AD /d */ { BxRepeatable, BX_IA_REP_LODSD_EAXXd },
/* AE /d */ { BxRepeatable, BX_IA_REP_SCASB_ALXb },
/* AF /d */ { BxRepeatable, BX_IA_REP_SCASD_EAXXd },
/* B0 /d */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
/* B1 /d */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
/* B2 /d */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
/* B3 /d */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
/* B4 /d */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
/* B5 /d */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
/* B6 /d */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
/* B7 /d */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
/* B8 /d */ { BxImmediate_Id, BX_IA_MOV_ERXId },
/* B9 /d */ { BxImmediate_Id, BX_IA_MOV_ERXId },
/* BA /d */ { BxImmediate_Id, BX_IA_MOV_ERXId },
/* BB /d */ { BxImmediate_Id, BX_IA_MOV_ERXId },
/* BC /d */ { BxImmediate_Id, BX_IA_MOV_ERXId },
/* BD /d */ { BxImmediate_Id, BX_IA_MOV_ERXId },
/* BE /d */ { BxImmediate_Id, BX_IA_MOV_ERXId },
/* BF /d */ { BxImmediate_Id, BX_IA_MOV_ERXId },
/* C0 /d */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EbIb },
/* C1 /d */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EdIb },
/* C2 /d */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETnear32_Iw },
/* C3 /d */ { BxTraceEnd, BX_IA_RETnear32 },
/* C4 /d */ { BxPrefixVEX, BX_IA_LES_GdMp },
/* C5 /d */ { BxPrefixVEX, BX_IA_LDS_GdMp },
/* C6 /d */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11Eb },
/* C7 /d */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11Ed },
/* C8 /d */ { BxImmediate_Iw | BxImmediate_Ib2, BX_IA_ENTER32_IwIb },
/* C9 /d */ { 0, BX_IA_LEAVE32 },
/* CA /d */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETfar32_Iw },
/* CB /d */ { BxTraceEnd, BX_IA_RETfar32 },
/* CC /d */ { BxTraceEnd, BX_IA_INT3 },
/* CD /d */ { BxImmediate_Ib | BxTraceEnd, BX_IA_INT_Ib },
/* CE /d */ { BxTraceEnd, BX_IA_INTO },
/* CF /d */ { BxTraceEnd, BX_IA_IRET32 },
/* D0 /d */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EbIb },
/* D1 /d */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EdIb },
/* D2 /d */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Eb },
/* D3 /d */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Ed },
/* D4 /d */ { BxImmediate_Ib, BX_IA_AAM },
/* D5 /d */ { BxImmediate_Ib, BX_IA_AAD },
/* D6 /d */ { 0, BX_IA_SALC },
/* D7 /d */ { 0, BX_IA_XLAT },
#if BX_SUPPORT_FPU
/* D8 /d */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupD8 },
/* D9 /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointD9 },
/* DA /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDA },
/* DB /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDB },
/* DC /d */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDC },
/* DD /d */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDD },
/* DE /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDE },
/* DF /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDF },
#else
/* D8 /d */ { 0, BX_IA_FPU_ESC },
/* D9 /d */ { 0, BX_IA_FPU_ESC },
/* DA /d */ { 0, BX_IA_FPU_ESC },
/* DB /d */ { 0, BX_IA_FPU_ESC },
/* DC /d */ { 0, BX_IA_FPU_ESC },
/* DD /d */ { 0, BX_IA_FPU_ESC },
/* DE /d */ { 0, BX_IA_FPU_ESC },
/* DF /d */ { 0, BX_IA_FPU_ESC },
#endif
/* E0 /d */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPNE32_Jb },
/* E1 /d */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPE32_Jb },
/* E2 /d */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOP32_Jb },
/* E3 /d */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JECXZ_Jb },
/* E4 /d */ { BxImmediate_Ib, BX_IA_IN_ALIb },
/* E5 /d */ { BxImmediate_Ib, BX_IA_IN_EAXIb },
/* E6 /d */ { BxImmediate_Ib, BX_IA_OUT_IbAL },
/* E7 /d */ { BxImmediate_Ib, BX_IA_OUT_IbEAX },
/* E8 /d */ { BxImmediate_BrOff32 | BxTraceEnd, BX_IA_CALL_Jd },
/* E9 /d */ { BxImmediate_BrOff32 | BxTraceEnd, BX_IA_JMP_Jd },
/* EA /d */ { BxImmediate_Id | BxImmediate_Iw2 | BxTraceEnd, BX_IA_JMP_Ap },
/* EB /d */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JMP_Jd },
/* EC /d */ { 0, BX_IA_IN_ALDX },
/* ED /d */ { 0, BX_IA_IN_EAXDX },
/* EE /d */ { 0, BX_IA_OUT_DXAL },
/* EF /d */ { 0, BX_IA_OUT_DXEAX },
/* F0 /d */ { 0, BX_IA_ERROR }, // LOCK:
/* F1 /d */ { BxTraceEnd, BX_IA_INT1 },
/* F2 /d */ { 0, BX_IA_ERROR }, // REPNE/REPNZ
/* F3 /d */ { 0, BX_IA_ERROR }, // REP,REPE/REPZ
/* F4 /d */ { BxTraceEnd, BX_IA_HLT },
/* F5 /d */ { 0, BX_IA_CMC },
/* F6 /d */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3Eb },
/* F7 /d */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3Ed },
/* F8 /d */ { 0, BX_IA_CLC },
/* F9 /d */ { 0, BX_IA_STC },
/* FA /d */ { 0, BX_IA_CLI },
/* FB /d */ { 0, BX_IA_STI },
/* FC /d */ { 0, BX_IA_CLD },
/* FD /d */ { 0, BX_IA_STD },
/* FE /d */ { BxGroup4, BX_IA_ERROR, BxOpcodeInfoG4 },
/* FF /d */ { BxGroup5, BX_IA_ERROR, BxOpcodeInfoG5d },
/* 0F 00 /d */ { BxGroup6, BX_IA_ERROR, BxOpcodeInfoG6 },
/* 0F 01 /d */ { BxGroup7, BX_IA_ERROR, BxOpcodeInfoG7 },
/* 0F 02 /d */ { 0, BX_IA_LAR_GvEw },
/* 0F 03 /d */ { 0, BX_IA_LSL_GvEw },
/* 0F 04 /d */ { 0, BX_IA_ERROR },
/* 0F 05 /d */ { BxTraceEnd, BX_IA_SYSCALL_LEGACY },
/* 0F 06 /d */ { BxTraceEnd, BX_IA_CLTS },
/* 0F 07 /d */ { BxTraceEnd, BX_IA_SYSRET_LEGACY },
/* 0F 08 /d */ { BxTraceEnd, BX_IA_INVD },
/* 0F 09 /d */ { BxTraceEnd, BX_IA_WBINVD },
/* 0F 0A /d */ { 0, BX_IA_ERROR },
/* 0F 0B /d */ { BxTraceEnd, BX_IA_UD2A },
/* 0F 0C /d */ { 0, BX_IA_ERROR },
/* 0F 0D /d */ { 0, BX_IA_PREFETCHW }, // 3DNow! PREFETCHW on AMD, NOP on Intel
/* 0F 0E /d */ { 0, BX_IA_FEMMS }, // 3DNow! FEMMS
/* 0F 0F /d */ { BxImmediate_Ib, BX_IA_ERROR }, // 3DNow! Opcode Table
/* 0F 10 /d */ { BxPrefixSSE, BX_IA_MOVUPS_VpsWps, BxOpcodeGroupSSE_0f10 },
/* 0F 11 /d */ { BxPrefixSSE, BX_IA_MOVUPS_WpsVps, BxOpcodeGroupSSE_0f11 },
/* 0F 12 /d */ { BxPrefixSSE, BX_IA_MOVLPS_VpsMq, BxOpcodeGroupSSE_0f12 },
/* 0F 13 /d */ { BxPrefixSSE, BX_IA_MOVLPS_MqVps, BxOpcodeGroupSSE_0f13M },
/* 0F 14 /d */ { BxPrefixSSE, BX_IA_UNPCKLPS_VpsWdq, BxOpcodeGroupSSE_0f14 },
/* 0F 15 /d */ { BxPrefixSSE, BX_IA_UNPCKHPS_VpsWdq, BxOpcodeGroupSSE_0f15 },
/* 0F 16 /d */ { BxPrefixSSE, BX_IA_MOVHPS_VpsMq, BxOpcodeGroupSSE_0f16 },
/* 0F 17 /d */ { BxPrefixSSE, BX_IA_MOVHPS_MqVps, BxOpcodeGroupSSE_0f17M },
#if BX_CPU_LEVEL >= 6
/* 0F 18 /d */ { 0, BX_IA_PREFETCH }, // opcode group G16, PREFETCH hints
/* 0F 19 /d */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1A /d */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1B /d */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1C /d */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1D /d */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1E /d */ { 0, BX_IA_NOP }, // multi-byte NOP
/* 0F 1F /d */ { 0, BX_IA_NOP }, // multi-byte NOP
#else
/* 0F 18 /d */ { 0, BX_IA_ERROR },
/* 0F 19 /d */ { 0, BX_IA_ERROR },
/* 0F 1A /d */ { 0, BX_IA_ERROR },
/* 0F 1B /d */ { 0, BX_IA_ERROR },
/* 0F 1C /d */ { 0, BX_IA_ERROR },
/* 0F 1D /d */ { 0, BX_IA_ERROR },
/* 0F 1E /d */ { 0, BX_IA_ERROR },
/* 0F 1F /d */ { 0, BX_IA_ERROR },
#endif
/* 0F 20 /d */ { BxGroupN, BX_IA_ERROR, BxOpcodeInfoMOV_RdCd },
/* 0F 21 /d */ { 0, BX_IA_MOV_RdDd },
/* 0F 22 /d */ { BxGroupN, BX_IA_ERROR, BxOpcodeInfoMOV_CdRd },
/* 0F 23 /d */ { BxTraceEnd, BX_IA_MOV_DdRd },
/* 0F 24 /d */ { 0, BX_IA_ERROR }, // BX_IA_MOV_RdTd not implemented
/* 0F 25 /d */ { 0, BX_IA_ERROR },
/* 0F 26 /d */ { 0, BX_IA_ERROR }, // BX_IA_MOV_TdRd not implemented
/* 0F 27 /d */ { 0, BX_IA_ERROR },
/* 0F 28 /d */ { BxPrefixSSE, BX_IA_MOVAPS_VpsWps, BxOpcodeGroupSSE_0f28 },
/* 0F 29 /d */ { BxPrefixSSE, BX_IA_MOVAPS_WpsVps, BxOpcodeGroupSSE_0f29 },
/* 0F 2A /d */ { BxPrefixSSE, BX_IA_CVTPI2PS_VpsQq, BxOpcodeGroupSSE_0f2a },
/* 0F 2B /d */ { BxPrefixSSE, BX_IA_MOVNTPS_MpsVps, BxOpcodeGroupSSE_0f2bM },
/* 0F 2C /d */ { BxPrefixSSE, BX_IA_CVTTPS2PI_PqWps, BxOpcodeGroupSSE_0f2c },
/* 0F 2D /d */ { BxPrefixSSE, BX_IA_CVTPS2PI_PqWps, BxOpcodeGroupSSE_0f2d },
/* 0F 2E /d */ { BxPrefixSSE, BX_IA_UCOMISS_VssWss, BxOpcodeGroupSSE_0f2e },
/* 0F 2F /d */ { BxPrefixSSE, BX_IA_COMISS_VpsWps, BxOpcodeGroupSSE_0f2f },
/* 0F 30 /d */ { 0, BX_IA_WRMSR },
/* 0F 31 /d */ { BxTraceEnd, BX_IA_RDTSC }, // end trace to avoid multiple TSC samples in one cycle
/* 0F 32 /d */ { BxTraceEnd, BX_IA_RDMSR }, // end trace to avoid multiple TSC samples in one cycle
/* 0F 33 /d */ { 0, BX_IA_RDPMC },
/* 0F 34 /d */ { BxTraceEnd, BX_IA_SYSENTER },
/* 0F 35 /d */ { BxTraceEnd, BX_IA_SYSEXIT },
/* 0F 36 /d */ { 0, BX_IA_ERROR },
/* 0F 37 /d */ { 0, BX_IA_GETSEC },
#if BX_CPU_LEVEL >= 6
/* 0F 38 /d */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f38 }, // 3-byte escape
#else
/* 0F 38 /d */ { 0, BX_IA_ERROR },
#endif
/* 0F 39 /d */ { 0, BX_IA_ERROR },
#if BX_CPU_LEVEL >= 6
/* 0F 3A /d */ { Bx3ByteOp | BxImmediate_Ib, BX_IA_ERROR, BxOpcode3ByteTable0f3a }, // 3-byte escape
#else
/* 0F 3A /d */ { 0, BX_IA_ERROR },
#endif
/* 0F 3B /d */ { 0, BX_IA_ERROR },
/* 0F 3C /d */ { 0, BX_IA_ERROR },
/* 0F 3D /d */ { 0, BX_IA_ERROR },
/* 0F 3E /d */ { 0, BX_IA_ERROR },
/* 0F 3F /d */ { 0, BX_IA_ERROR },
/* 0F 40 /d */ { 0, BX_IA_CMOVO_GdEd },
/* 0F 41 /d */ { 0, BX_IA_CMOVNO_GdEd },
/* 0F 42 /d */ { 0, BX_IA_CMOVB_GdEd },
/* 0F 43 /d */ { 0, BX_IA_CMOVNB_GdEd },
/* 0F 44 /d */ { 0, BX_IA_CMOVZ_GdEd },
/* 0F 45 /d */ { 0, BX_IA_CMOVNZ_GdEd },
/* 0F 46 /d */ { 0, BX_IA_CMOVBE_GdEd },
/* 0F 47 /d */ { 0, BX_IA_CMOVNBE_GdEd },
/* 0F 48 /d */ { 0, BX_IA_CMOVS_GdEd },
/* 0F 49 /d */ { 0, BX_IA_CMOVNS_GdEd },
/* 0F 4A /d */ { 0, BX_IA_CMOVP_GdEd },
/* 0F 4B /d */ { 0, BX_IA_CMOVNP_GdEd },
/* 0F 4C /d */ { 0, BX_IA_CMOVL_GdEd },
/* 0F 4D /d */ { 0, BX_IA_CMOVNL_GdEd },
/* 0F 4E /d */ { 0, BX_IA_CMOVLE_GdEd },
/* 0F 4F /d */ { 0, BX_IA_CMOVNLE_GdEd },
/* 0F 50 /d */ { BxPrefixSSE, BX_IA_MOVMSKPS_GdVRps, BxOpcodeGroupSSE_0f50R },
/* 0F 51 /d */ { BxPrefixSSE, BX_IA_SQRTPS_VpsWps, BxOpcodeGroupSSE_0f51 },
/* 0F 52 /d */ { BxPrefixSSE, BX_IA_RSQRTPS_VpsWps, BxOpcodeGroupSSE_0f52 },
/* 0F 53 /d */ { BxPrefixSSE, BX_IA_RCPPS_VpsWps, BxOpcodeGroupSSE_0f53 },
/* 0F 54 /d */ { BxPrefixSSE, BX_IA_ANDPS_VpsWps, BxOpcodeGroupSSE_0f54 },
/* 0F 55 /d */ { BxPrefixSSE, BX_IA_ANDNPS_VpsWps, BxOpcodeGroupSSE_0f55 },
/* 0F 56 /d */ { BxPrefixSSE, BX_IA_ORPS_VpsWps, BxOpcodeGroupSSE_0f56 },
/* 0F 57 /d */ { BxPrefixSSE, BX_IA_XORPS_VpsWps, BxOpcodeGroupSSE_0f57 },
/* 0F 58 /d */ { BxPrefixSSE, BX_IA_ADDPS_VpsWps, BxOpcodeGroupSSE_0f58 },
/* 0F 59 /d */ { BxPrefixSSE, BX_IA_MULPS_VpsWps, BxOpcodeGroupSSE_0f59 },
/* 0F 5A /d */ { BxPrefixSSE, BX_IA_CVTPS2PD_VpdWps, BxOpcodeGroupSSE_0f5a },
/* 0F 5B /d */ { BxPrefixSSE, BX_IA_CVTDQ2PS_VpsWdq, BxOpcodeGroupSSE_0f5b },
/* 0F 5C /d */ { BxPrefixSSE, BX_IA_SUBPS_VpsWps, BxOpcodeGroupSSE_0f5c },
/* 0F 5D /d */ { BxPrefixSSE, BX_IA_MINPS_VpsWps, BxOpcodeGroupSSE_0f5d },
/* 0F 5E /d */ { BxPrefixSSE, BX_IA_DIVPS_VpsWps, BxOpcodeGroupSSE_0f5e },
/* 0F 5F /d */ { BxPrefixSSE, BX_IA_MAXPS_VpsWps, BxOpcodeGroupSSE_0f5f },
/* 0F 60 /d */ { BxPrefixSSE, BX_IA_PUNPCKLBW_PqQd, BxOpcodeGroupSSE_0f60 },
/* 0F 61 /d */ { BxPrefixSSE, BX_IA_PUNPCKLWD_PqQd, BxOpcodeGroupSSE_0f61 },
/* 0F 62 /d */ { BxPrefixSSE, BX_IA_PUNPCKLDQ_PqQd, BxOpcodeGroupSSE_0f62 },
/* 0F 63 /d */ { BxPrefixSSE, BX_IA_PACKSSWB_PqQq, BxOpcodeGroupSSE_0f63 },
/* 0F 64 /d */ { BxPrefixSSE, BX_IA_PCMPGTB_PqQq, BxOpcodeGroupSSE_0f64 },
/* 0F 65 /d */ { BxPrefixSSE, BX_IA_PCMPGTW_PqQq, BxOpcodeGroupSSE_0f65 },
/* 0F 66 /d */ { BxPrefixSSE, BX_IA_PCMPGTD_PqQq, BxOpcodeGroupSSE_0f66 },
/* 0F 67 /d */ { BxPrefixSSE, BX_IA_PACKUSWB_PqQq, BxOpcodeGroupSSE_0f67 },
/* 0F 68 /d */ { BxPrefixSSE, BX_IA_PUNPCKHBW_PqQq, BxOpcodeGroupSSE_0f68 },
/* 0F 69 /d */ { BxPrefixSSE, BX_IA_PUNPCKHWD_PqQq, BxOpcodeGroupSSE_0f69 },
/* 0F 6A /d */ { BxPrefixSSE, BX_IA_PUNPCKHDQ_PqQq, BxOpcodeGroupSSE_0f6a },
/* 0F 6B /d */ { BxPrefixSSE, BX_IA_PACKSSDW_PqQq, BxOpcodeGroupSSE_0f6b },
/* 0F 6C /d */ { BxPrefixSSE66, BX_IA_PUNPCKLQDQ_VdqWdq },
/* 0F 6D /d */ { BxPrefixSSE66, BX_IA_PUNPCKHQDQ_VdqWdq },
/* 0F 6E /d */ { BxPrefixSSE, BX_IA_MOVD_PqEd, BxOpcodeGroupSSE_0f6e },
/* 0F 6F /d */ { BxPrefixSSE, BX_IA_MOVQ_PqQq, BxOpcodeGroupSSE_0f6f },
/* 0F 70 /d */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PSHUFW_PqQqIb, BxOpcodeGroupSSE_0f70 },
/* 0F 71 /d */ { BxGroup12, BX_IA_ERROR, BxOpcodeInfoG12R },
/* 0F 72 /d */ { BxGroup13, BX_IA_ERROR, BxOpcodeInfoG13R },
/* 0F 73 /d */ { BxGroup14, BX_IA_ERROR, BxOpcodeInfoG14R },
/* 0F 74 /d */ { BxPrefixSSE, BX_IA_PCMPEQB_PqQq, BxOpcodeGroupSSE_0f74 },
/* 0F 75 /d */ { BxPrefixSSE, BX_IA_PCMPEQW_PqQq, BxOpcodeGroupSSE_0f75 },
/* 0F 76 /d */ { BxPrefixSSE, BX_IA_PCMPEQD_PqQq, BxOpcodeGroupSSE_0f76 },
/* 0F 77 /d */ { BxPrefixSSE, BX_IA_EMMS, BxOpcodeGroupSSE_ERR },
/* 0F 78 /d */ { BxPrefixSSE, BX_IA_VMREAD_EdGd, BxOpcodeGroupSSE4A_0f78 },
/* 0F 79 /d */ { BxPrefixSSE, BX_IA_VMWRITE_GdEd, BxOpcodeGroupSSE4A_0f79 },
/* 0F 7A /d */ { 0, BX_IA_ERROR },
/* 0F 7B /d */ { 0, BX_IA_ERROR },
/* 0F 7C /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7c },
/* 0F 7D /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7d },
/* 0F 7E /d */ { BxPrefixSSE, BX_IA_MOVD_EdPd, BxOpcodeGroupSSE_0f7e },
/* 0F 7F /d */ { BxPrefixSSE, BX_IA_MOVQ_QqPq, BxOpcodeGroupSSE_0f7f },
/* 0F 80 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JO_Jd },
/* 0F 81 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNO_Jd },
/* 0F 82 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JB_Jd },
/* 0F 83 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNB_Jd },
/* 0F 84 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JZ_Jd },
/* 0F 85 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNZ_Jd },
/* 0F 86 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JBE_Jd },
/* 0F 87 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNBE_Jd },
/* 0F 88 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JS_Jd },
/* 0F 89 /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNS_Jd },
/* 0F 8A /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JP_Jd },
/* 0F 8B /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNP_Jd },
/* 0F 8C /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JL_Jd },
/* 0F 8D /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNL_Jd },
/* 0F 8E /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JLE_Jd },
/* 0F 8F /d */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNLE_Jd },
/* 0F 90 /d */ { 0, BX_IA_SETO_Eb },
/* 0F 91 /d */ { 0, BX_IA_SETNO_Eb },
/* 0F 92 /d */ { 0, BX_IA_SETB_Eb },
/* 0F 93 /d */ { 0, BX_IA_SETNB_Eb },
/* 0F 94 /d */ { 0, BX_IA_SETZ_Eb },
/* 0F 95 /d */ { 0, BX_IA_SETNZ_Eb },
/* 0F 96 /d */ { 0, BX_IA_SETBE_Eb },
/* 0F 97 /d */ { 0, BX_IA_SETNBE_Eb },
/* 0F 98 /d */ { 0, BX_IA_SETS_Eb },
/* 0F 99 /d */ { 0, BX_IA_SETNS_Eb },
/* 0F 9A /d */ { 0, BX_IA_SETP_Eb },
/* 0F 9B /d */ { 0, BX_IA_SETNP_Eb },
/* 0F 9C /d */ { 0, BX_IA_SETL_Eb },
/* 0F 9D /d */ { 0, BX_IA_SETNL_Eb },
/* 0F 9E /d */ { 0, BX_IA_SETLE_Eb },
/* 0F 9F /d */ { 0, BX_IA_SETNLE_Eb },
/* 0F A0 /d */ { 0, BX_IA_PUSH32_FS },
/* 0F A1 /d */ { 0, BX_IA_POP32_FS },
/* 0F A2 /d */ { 0, BX_IA_CPUID },
/* 0F A3 /d */ { 0, BX_IA_BT_EdGd },
/* 0F A4 /d */ { BxImmediate_Ib, BX_IA_SHLD_EdGdIb },
/* 0F A5 /d */ { 0, BX_IA_SHLD_EdGd },
/* 0F A6 /d */ { 0, BX_IA_ERROR }, // CMPXCHG_XBTS not implemented
/* 0F A7 /d */ { 0, BX_IA_ERROR }, // CMPXCHG_IBTS not implemented
/* 0F A8 /d */ { 0, BX_IA_PUSH32_GS },
/* 0F A9 /d */ { 0, BX_IA_POP32_GS },
/* 0F AA /d */ { BxTraceEnd, BX_IA_RSM },
/* 0F AB /d */ { BxLockable, BX_IA_BTS_EdGd },
/* 0F AC /d */ { BxImmediate_Ib, BX_IA_SHRD_EdGdIb },
/* 0F AD /d */ { 0, BX_IA_SHRD_EdGd },
/* 0F AE /d */ { BxGroup15, BX_IA_ERROR, BxOpcodeInfoG15 },
/* 0F AF /d */ { 0, BX_IA_IMUL_GdEd },
/* 0F B0 /d */ { BxLockable, BX_IA_CMPXCHG_EbGb },
/* 0F B1 /d */ { BxLockable, BX_IA_CMPXCHG_EdGd },
/* 0F B2 /d */ { 0, BX_IA_LSS_GdMp },
/* 0F B3 /d */ { BxLockable, BX_IA_BTR_EdGd },
/* 0F B4 /d */ { 0, BX_IA_LFS_GdMp },
/* 0F B5 /d */ { 0, BX_IA_LGS_GdMp },
/* 0F B6 /d */ { 0, BX_IA_MOVZX_GdEb },
/* 0F B7 /d */ { 0, BX_IA_MOVZX_GdEw },
/* 0F B8 /d */ { BxPrefixSSEF3, BX_IA_POPCNT_GdEd },
/* 0F B9 /d */ { BxTraceEnd, BX_IA_UD2B },
/* 0F BA /d */ { BxGroup8, BX_IA_ERROR, BxOpcodeInfoG8EdIb },
/* 0F BB /d */ { BxLockable, BX_IA_BTC_EdGd },
/* 0F BC /d */ { BxPrefixSSE, BX_IA_BSF_GdEd, BxOpcodeGroupSSE_TZCNT32 },
/* 0F BD /d */ { BxPrefixSSE, BX_IA_BSR_GdEd, BxOpcodeGroupSSE_LZCNT32 },
/* 0F BE /d */ { 0, BX_IA_MOVSX_GdEb },
/* 0F BF /d */ { 0, BX_IA_MOVSX_GdEw },
/* 0F C0 /d */ { BxLockable, BX_IA_XADD_EbGb },
/* 0F C1 /d */ { BxLockable, BX_IA_XADD_EdGd },
/* 0F C2 /d */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_CMPPS_VpsWpsIb, BxOpcodeGroupSSE_0fc2 },
/* 0F C3 /d */ { BxPrefixSSE, BX_IA_MOVNTI32_MdGd, BxOpcodeGroupSSE_ERR },
/* 0F C4 /d */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PINSRW_PqEwIb, BxOpcodeGroupSSE_0fc4 },
/* 0F C5 /d */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PEXTRW_GdPqIb, BxOpcodeGroupSSE_0fc5R },
/* 0F C6 /d */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_SHUFPS_VpsWpsIb, BxOpcodeGroupSSE_0fc6 },
/* 0F C7 /d */ { BxGroup9, BX_IA_ERROR, BxOpcodeInfoG9M },
/* 0F C8 /d */ { 0, BX_IA_BSWAP_ERX },
/* 0F C9 /d */ { 0, BX_IA_BSWAP_ERX },
/* 0F CA /d */ { 0, BX_IA_BSWAP_ERX },
/* 0F CB /d */ { 0, BX_IA_BSWAP_ERX },
/* 0F CC /d */ { 0, BX_IA_BSWAP_ERX },
/* 0F CD /d */ { 0, BX_IA_BSWAP_ERX },
/* 0F CE /d */ { 0, BX_IA_BSWAP_ERX },
/* 0F CF /d */ { 0, BX_IA_BSWAP_ERX },
/* 0F D0 /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd0 },
/* 0F D1 /d */ { BxPrefixSSE, BX_IA_PSRLW_PqQq, BxOpcodeGroupSSE_0fd1 },
/* 0F D2 /d */ { BxPrefixSSE, BX_IA_PSRLD_PqQq, BxOpcodeGroupSSE_0fd2 },
/* 0F D3 /d */ { BxPrefixSSE, BX_IA_PSRLQ_PqQq, BxOpcodeGroupSSE_0fd3 },
/* 0F D4 /d */ { BxPrefixSSE, BX_IA_PADDQ_PqQq, BxOpcodeGroupSSE_0fd4 },
/* 0F D5 /d */ { BxPrefixSSE, BX_IA_PMULLW_PqQq, BxOpcodeGroupSSE_0fd5 },
/* 0F D6 /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd6 },
/* 0F D7 /d */ { BxPrefixSSE, BX_IA_PMOVMSKB_GdPRq, BxOpcodeGroupSSE_0fd7R },
/* 0F D8 /d */ { BxPrefixSSE, BX_IA_PSUBUSB_PqQq, BxOpcodeGroupSSE_0fd8 },
/* 0F D9 /d */ { BxPrefixSSE, BX_IA_PSUBUSW_PqQq, BxOpcodeGroupSSE_0fd9 },
/* 0F DA /d */ { BxPrefixSSE, BX_IA_PMINUB_PqQq, BxOpcodeGroupSSE_0fda },
/* 0F DB /d */ { BxPrefixSSE, BX_IA_PAND_PqQq, BxOpcodeGroupSSE_0fdb },
/* 0F DC /d */ { BxPrefixSSE, BX_IA_PADDUSB_PqQq, BxOpcodeGroupSSE_0fdc },
/* 0F DD /d */ { BxPrefixSSE, BX_IA_PADDUSW_PqQq, BxOpcodeGroupSSE_0fdd },
/* 0F DE /d */ { BxPrefixSSE, BX_IA_PMAXUB_PqQq, BxOpcodeGroupSSE_0fde },
/* 0F DF /d */ { BxPrefixSSE, BX_IA_PANDN_PqQq, BxOpcodeGroupSSE_0fdf },
/* 0F E0 /d */ { BxPrefixSSE, BX_IA_PAVGB_PqQq, BxOpcodeGroupSSE_0fe0 },
/* 0F E1 /d */ { BxPrefixSSE, BX_IA_PSRAW_PqQq, BxOpcodeGroupSSE_0fe1 },
/* 0F E2 /d */ { BxPrefixSSE, BX_IA_PSRAD_PqQq, BxOpcodeGroupSSE_0fe2 },
/* 0F E3 /d */ { BxPrefixSSE, BX_IA_PAVGW_PqQq, BxOpcodeGroupSSE_0fe3 },
/* 0F E4 /d */ { BxPrefixSSE, BX_IA_PMULHUW_PqQq, BxOpcodeGroupSSE_0fe4 },
/* 0F E5 /d */ { BxPrefixSSE, BX_IA_PMULHW_PqQq, BxOpcodeGroupSSE_0fe5 },
/* 0F E6 /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fe6 },
/* 0F E7 /d */ { BxPrefixSSE, BX_IA_MOVNTQ_MqPq, BxOpcodeGroupSSE_0fe7M },
/* 0F E8 /d */ { BxPrefixSSE, BX_IA_PSUBSB_PqQq, BxOpcodeGroupSSE_0fe8 },
/* 0F E9 /d */ { BxPrefixSSE, BX_IA_PSUBSW_PqQq, BxOpcodeGroupSSE_0fe9 },
/* 0F EA /d */ { BxPrefixSSE, BX_IA_PMINSW_PqQq, BxOpcodeGroupSSE_0fea },
/* 0F EB /d */ { BxPrefixSSE, BX_IA_POR_PqQq, BxOpcodeGroupSSE_0feb },
/* 0F EC /d */ { BxPrefixSSE, BX_IA_PADDSB_PqQq, BxOpcodeGroupSSE_0fec },
/* 0F ED /d */ { BxPrefixSSE, BX_IA_PADDSW_PqQq, BxOpcodeGroupSSE_0fed },
/* 0F EE /d */ { BxPrefixSSE, BX_IA_PMAXSW_PqQq, BxOpcodeGroupSSE_0fee },
/* 0F EF /d */ { BxPrefixSSE, BX_IA_PXOR_PqQq, BxOpcodeGroupSSE_0fef },
/* 0F F0 /d */ { BxPrefixSSEF2, BX_IA_LDDQU_VdqMdq },
/* 0F F1 /d */ { BxPrefixSSE, BX_IA_PSLLW_PqQq, BxOpcodeGroupSSE_0ff1 },
/* 0F F2 /d */ { BxPrefixSSE, BX_IA_PSLLD_PqQq, BxOpcodeGroupSSE_0ff2 },
/* 0F F3 /d */ { BxPrefixSSE, BX_IA_PSLLQ_PqQq, BxOpcodeGroupSSE_0ff3 },
/* 0F F4 /d */ { BxPrefixSSE, BX_IA_PMULUDQ_PqQq, BxOpcodeGroupSSE_0ff4 },
/* 0F F5 /d */ { BxPrefixSSE, BX_IA_PMADDWD_PqQq, BxOpcodeGroupSSE_0ff5 },
/* 0F F6 /d */ { BxPrefixSSE, BX_IA_PSADBW_PqQq, BxOpcodeGroupSSE_0ff6 },
/* 0F F7 /d */ { BxPrefixSSE, BX_IA_MASKMOVQ_PqPRq, BxOpcodeGroupSSE_0ff7R },
/* 0F F8 /d */ { BxPrefixSSE, BX_IA_PSUBB_PqQq, BxOpcodeGroupSSE_0ff8 },
/* 0F F9 /d */ { BxPrefixSSE, BX_IA_PSUBW_PqQq, BxOpcodeGroupSSE_0ff9 },
/* 0F FA /d */ { BxPrefixSSE, BX_IA_PSUBD_PqQq, BxOpcodeGroupSSE_0ffa },
/* 0F FB /d */ { BxPrefixSSE, BX_IA_PSUBQ_PqQq, BxOpcodeGroupSSE_0ffb },
/* 0F FC /d */ { BxPrefixSSE, BX_IA_PADDB_PqQq, BxOpcodeGroupSSE_0ffc },
/* 0F FD /d */ { BxPrefixSSE, BX_IA_PADDW_PqQq, BxOpcodeGroupSSE_0ffd },
/* 0F FE /d */ { BxPrefixSSE, BX_IA_PADDD_PqQq, BxOpcodeGroupSSE_0ffe },
/* 0F FF /d */ { 0, BX_IA_ERROR }
};
int BX_CPP_AttrRegparmN(3)
BX_CPU_C::fetchDecode32(const Bit8u *iptr, bxInstruction_c *i, unsigned remainingInPage)
{
if (remainingInPage > 15) remainingInPage = 15;
unsigned remain = remainingInPage; // remain must be at least 1
bx_bool is_32, lock=0;
unsigned b1, b2 = 0, os_32, ia_opcode = 0;
unsigned rm = 0, mod=0, nnn=0, mod_mem = 0, rep = 0;
unsigned seg = BX_SEG_REG_DS, seg_override = BX_SEG_REG_NULL;
#define SSE_PREFIX_NONE 0
#define SSE_PREFIX_66 1
#define SSE_PREFIX_F3 2
#define SSE_PREFIX_F2 3
unsigned sse_prefix = SSE_PREFIX_NONE;
int vvv = -1;
#if BX_SUPPORT_AVX
int had_vex = 0, had_xop = 0, use_vvv = 0;
bx_bool vex_w = 0, vex_l = 0;
#endif
os_32 = is_32 =
BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS].cache.u.segment.d_b;
i->ResolveModrm = 0;
i->init(/*os32*/ is_32, /*as32*/ is_32,
/*os64*/ 0, /*as64*/ 0);
fetch_b1:
b1 = *iptr++;
remain--;
switch (b1) {
case 0x0f: // 2-byte escape
if (remain != 0) {
remain--;
b1 = 0x100 | *iptr++;
break;
}
return(-1);
case 0x66: // OpSize
os_32 = !is_32;
if(!sse_prefix) sse_prefix = SSE_PREFIX_66;
i->setOs32B(os_32);
if (remain != 0) {
goto fetch_b1;
}
return(-1);
case 0x67: // AddrSize
i->setAs32B(!is_32);
if (remain != 0) {
goto fetch_b1;
}
return(-1);
case 0xf2: // REPNE/REPNZ
case 0xf3: // REP/REPE/REPZ
sse_prefix = (b1 & 3) ^ 1;
rep = b1 & 3;
if (remain != 0) {
goto fetch_b1;
}
return(-1);
case 0x26: // ES:
case 0x2e: // CS:
case 0x36: // SS:
case 0x3e: // DS:
seg_override = (b1 >> 3) & 3;
if (remain != 0) {
goto fetch_b1;
}
return(-1);
case 0x64: // FS:
case 0x65: // GS:
seg_override = (b1 & 0xf);
if (remain != 0) {
goto fetch_b1;
}
return(-1);
case 0xf0: // LOCK:
lock = 1;
if (remain != 0) {
goto fetch_b1;
}
return(-1);
default:
break;
}
i->modRMForm.Id = 0;
unsigned index = b1 + (os_32 << 9); // *512
unsigned attr = BxOpcodeInfo32[index].Attr;
bx_bool has_modrm = 0;
#if BX_SUPPORT_AVX
if ((attr & BxGroupX) == BxPrefixVEX && (*iptr & 0xc0) == 0xc0) {
// VEX
had_vex = 1;
if (sse_prefix) had_vex = -1;
if (! protected_mode()) had_vex = -1;
unsigned vex, vex_opcext = 1;
if (remain != 0) {
remain--;
vex = *iptr++;
}
else
return(-1);
if (b1 == 0xc4) {
// decode 3-byte VEX prefix
vex_opcext = vex & 0x1f;
if (remain != 0) {
remain--;
vex = *iptr++; // fetch VEX3
}
else
return(-1);
vex_w = (vex >> 7) & 0x1;
}
vvv = 15 - ((vex >> 3) & 0xf);
vex_l = (vex >> 2) & 0x1;
i->setVL(BX_VL128 + vex_l);
sse_prefix = vex & 0x3;
if (remain != 0) {
remain--;
b1 = *iptr++; // fetch new b1
}
else
return(-1);
b1 += 256 * vex_opcext;
if (b1 < 256 || b1 >= 1024) had_vex = -1;
else {
if (b1 >= 512)
has_modrm = 1;
else
has_modrm = BxOpcodeHasModrm32[b1];
}
}
else if (b1 == 0x8f && (*iptr & 0xc8) == 0xc8) {
// 3 byte XOP prefix
had_xop = 1;
if (! protected_mode()) had_xop = -1;
unsigned vex;
if (remain != 0) {
remain--;
vex = *iptr++; // fetch XOP2
}
else
return(-1);
unsigned xop_opcext = (vex & 0x1f) - 8;
if (xop_opcext >= 3)
had_xop = -1;
if (remain != 0) {
remain--;
vex = *iptr++; // fetch XOP3
}
else
return(-1);
vex_w = (vex >> 7) & 0x1;
vvv = 15 - ((vex >> 3) & 0xf);
vex_l = (vex >> 2) & 0x1;
i->setVL(BX_VL128 + vex_l);
sse_prefix = vex & 0x3;
if (sse_prefix) had_xop = -1;
if (remain != 0) {
remain--;
b1 = *iptr++; // fetch new b1
}
else
return(-1);
has_modrm = 1;
b1 += 256 * xop_opcext;
}
else
#endif
{
has_modrm = BxOpcodeHasModrm32[b1];
}
if (has_modrm) {
#if BX_CPU_LEVEL >= 6
unsigned b3 = 0;
// handle 3-byte escape
if ((attr & BxGroupX) == Bx3ByteOp) {
if (remain != 0) {
remain--;
b3 = *iptr++;
}
else
return(-1);
}
#endif
// opcode requires modrm byte
if (remain != 0) {
remain--;
b2 = *iptr++;
}
else
return(-1);
// Parse mod-nnn-rm and related bytes
mod = b2 & 0xc0; // leave unshifted
nnn = (b2 >> 3) & 0x7;
rm = b2 & 0x7;
i->setFoo((b2 | (b1 << 8)) & 0x7ff); /* for x87 */
// MOVs with CRx and DRx always use register ops and ignore the mod field.
if ((b1 & ~3) == 0x120)
mod = 0xc0;
if (mod == 0xc0) { // mod == 11b
i->assertModC0();
goto modrm_done;
}
mod_mem = 1;
i->setSibBase(rm); // initialize with rm to use BxResolve32Base
i->setSibIndex(BX_NIL_REGISTER);
// initialize displ32 with zero to include cases with no diplacement
i->modRMForm.displ32u = 0;
if (i->as32L()) {
// 32-bit addressing modes; note that mod==11b handled above
i->ResolveModrm = &BX_CPU_C::BxResolve32Base;
if (rm != 4) { // no s-i-b byte
if (mod == 0x00) { // mod == 00b
if (rm == 5) {
i->setSibBase(BX_NIL_REGISTER);
if (remain > 3) {
i->modRMForm.displ32u = FetchDWORD(iptr);
iptr += 4;
remain -= 4;
}
else return(-1);
}
// mod==00b, rm!=4, rm!=5
goto modrm_done;
}
seg = sreg_mod1or2_base32[rm];
}
else { // mod!=11b, rm==4, s-i-b byte follows
unsigned sib, base, index, scale;
if (remain != 0) {
sib = *iptr++;
remain--;
}
else {
return(-1);
}
base = sib & 0x7; sib >>= 3;
index = sib & 0x7; sib >>= 3;
scale = sib;
i->setSibScale(scale);
i->setSibBase(base);
// this part is a little tricky - assign index value always,
// it will be really used if the instruction is Gather. Others
// assume that BxResolve32Base will do the right thing.
i->setSibIndex(index);
if (index != 4) {
i->ResolveModrm = &BX_CPU_C::BxResolve32BaseIndex;
}
if (mod == 0x00) { // mod==00b, rm==4
seg = sreg_mod0_base32[base];
if (base == 5) {
i->setSibBase(BX_NIL_REGISTER);
if (remain > 3) {
i->modRMForm.displ32u = FetchDWORD(iptr);
iptr += 4;
remain -= 4;
}
else {
return(-1);
}
}
// mod==00b, rm==4, base!=5
goto modrm_done;
}
seg = sreg_mod1or2_base32[base];
}
if (mod == 0x40) { // mod==01b
if (remain != 0) {
// 8 sign extended to 32
i->modRMForm.displ32u = (Bit8s) *iptr++;
remain--;
goto modrm_done;
}
else {
return(-1);
}
}
// (mod == 0x80), mod==10b
if (remain > 3) {
i->modRMForm.displ32u = FetchDWORD(iptr);
iptr += 4;
remain -= 4;
}
else {
return(-1);
}
}
else {
// 16-bit addressing modes, mod==11b handled above
i->ResolveModrm = &BX_CPU_C::BxResolve16BaseIndex;
i->setSibBase(Resolve16BaseReg[rm]);
i->setSibIndex(Resolve16IndexReg[rm]);
if (mod == 0x00) { // mod == 00b
seg = sreg_mod00_rm16[rm];
if (rm == 6) {
i->setSibBase(BX_NIL_REGISTER);
if (remain > 1) {
i->modRMForm.displ16u = FetchWORD(iptr);
iptr += 2;
remain -= 2;
goto modrm_done;
}
else return(-1);
}
goto modrm_done;
}
seg = sreg_mod01or10_rm16[rm];
if (mod == 0x40) { // mod == 01b
if (remain != 0) {
// 8 sign extended to 16
i->modRMForm.displ16u = (Bit8s) *iptr++;
remain--;
goto modrm_done;
}
else {
return(-1);
}
}
// (mod == 0x80) mod == 10b
if (remain > 1) {
i->modRMForm.displ16u = FetchWORD(iptr);
iptr += 2;
remain -= 2;
}
else {
return(-1);
}
}
modrm_done:
// Resolve ExecutePtr and additional opcode Attr
const BxOpcodeInfo_t *OpcodeInfoPtr = &(BxOpcodeInfo32[index]);
#if BX_SUPPORT_AVX
if (had_vex != 0) {
if (had_vex < 0)
OpcodeInfoPtr = &BxOpcodeGroupSSE_ERR[0]; // BX_IA_ERROR
else
OpcodeInfoPtr = &BxOpcodeTableAVX[(b1-256) + 768*vex_l];
}
else if (had_xop != 0) {
if (had_xop < 0)
OpcodeInfoPtr = &BxOpcodeGroupSSE_ERR[0]; // BX_IA_ERROR
else
OpcodeInfoPtr = &BxOpcodeTableXOP[b1 + 768*vex_l];
}
#endif
attr = OpcodeInfoPtr->Attr;
while(attr & BxGroupX) {
Bit32u group = attr & BxGroupX;
attr &= ~BxGroupX;
if (group < BxPrefixSSE) {
/* For opcodes with only one allowed SSE prefix */
if (sse_prefix != (group >> 4)) {
OpcodeInfoPtr = &BxOpcodeGroupSSE_ERR[0]; // BX_IA_ERROR
}
/* get additional attributes from group table */
attr |= OpcodeInfoPtr->Attr;
break;
}
switch(group) {
case BxGroupN:
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn]);
break;
case BxSplitGroupN:
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn + (mod_mem << 3)]);
break;
#if BX_SUPPORT_AVX
case BxSplitVexW64: // VexW is ignored in 32-bit mode
BX_ASSERT(had_vex != 0 || had_xop != 0);
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[0]);
break;
case BxSplitVexW: // VexW is a real opcode extension
BX_ASSERT(had_vex != 0 || had_xop != 0);
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[vex_w]);
break;
case BxSplitMod11B:
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[mod_mem]);
break;
#endif
#if BX_CPU_LEVEL >= 6
case Bx3ByteOp:
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[b3]);
break;
#endif
case BxOSizeGrp:
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[os_32]);
if (sse_prefix == SSE_PREFIX_66)
sse_prefix = 0;
break;
case BxPrefixSSE:
/* For SSE opcodes look into another table
with the opcode prefixes (NONE, 0x66, 0xF3, 0xF2) */
if (sse_prefix) {
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[sse_prefix-1]);
break;
}
continue;
case BxFPEscape:
if (mod_mem)
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn]);
else
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[(b2 & 0x3f) + 8]);
break;
case BxPrefixVEX:
continue;
default:
BX_PANIC(("fetchdecode32: Unknown opcode group %d", group));
}
/* get additional attributes from group table */
attr |= OpcodeInfoPtr->Attr;
}
ia_opcode = OpcodeInfoPtr->IA;
}
else {
// Opcode does not require a MODRM byte.
// Note that a 2-byte opcode (0F XX) will jump to before
// the if() above after fetching the 2nd byte, so this path is
// taken in all cases if a modrm byte is NOT required.
const BxOpcodeInfo_t *OpcodeInfoPtr = &(BxOpcodeInfo32[index]);
#if BX_SUPPORT_AVX
if (had_vex != 0) {
if (had_vex < 0)
OpcodeInfoPtr = &BxOpcodeGroupSSE_ERR[0]; // BX_IA_ERROR
else
OpcodeInfoPtr = &BxOpcodeTableAVX[(b1-256) + 768*vex_l];
}
else if (had_xop != 0) {
if (had_xop < 0)
OpcodeInfoPtr = &BxOpcodeGroupSSE_ERR[0]; // BX_IA_ERROR
else
OpcodeInfoPtr = &BxOpcodeTableXOP[b1 + 768*vex_l];
}
#endif
unsigned group = attr & BxGroupX;
if (group == BxPrefixSSE && sse_prefix) {
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[sse_prefix-1]);
}
ia_opcode = OpcodeInfoPtr->IA;
rm = b1 & 0x7;
nnn = (b1 >> 3) & 0x7;
}
if (lock) { // lock prefix invalid opcode
// lock prefix not allowed or destination operand is not memory
if (!mod_mem || !(attr & BxLockable)) {
#if BX_CPU_LEVEL >= 6
if (BX_CPUID_SUPPORT_CPU_EXTENSION(BX_CPU_ALT_MOV_CR8) &&
(ia_opcode == BX_IA_MOV_CR0Rd || ia_opcode == BX_IA_MOV_RdCR0)) {
nnn = 8; // extend CR0 -> CR8
}
else
#endif
{
BX_INFO(("LOCK prefix unallowed (op1=0x%x, modrm=0x%02x)", b1, b2));
// replace execution function with undefined-opcode
ia_opcode = BX_IA_ERROR;
}
}
}
if (attr & BxRepeatable)
i->setRepUsed(rep);
unsigned imm_mode = attr & BxImmediate;
if (imm_mode) {
// make sure iptr was advanced after Ib(), Iw() and Id()
switch (imm_mode) {
case BxImmediate_I1:
i->modRMForm.Ib = 1;
break;
case BxImmediate_Ib:
if (remain != 0) {
i->modRMForm.Ib = *iptr++;
remain--;
}
else {
return(-1);
}
break;
case BxImmediate_BrOff8:
case BxImmediate_Ib_SE: // Sign extend to OS size
if (remain != 0) {
Bit8s temp8s = *iptr;
// this code works correctly both for LE and BE hosts
if (i->os32L())
i->modRMForm.Id = (Bit32s) temp8s;
else
i->modRMForm.Iw = (Bit16s) temp8s;
remain--;
}
else {
return(-1);
}
break;
case BxImmediate_Iw:
if (remain > 1) {
i->modRMForm.Iw = FetchWORD(iptr);
iptr += 2;
remain -= 2;
}
else {
return(-1);
}
break;
case BxImmediate_Id:
if (remain > 3) {
i->modRMForm.Id = FetchDWORD(iptr);
iptr += 4;
remain -= 4;
}
else {
return(-1);
}
break;
case BxImmediate_O:
// For instructions which embed the address in the opcode.
if (i->as32L()) {
// fetch 32bit address into Id
if (remain > 3) {
i->modRMForm.Id = FetchDWORD(iptr);
remain -= 4;
}
else return(-1);
}
else {
// fetch 16bit address into Id
if (remain > 1) {
i->modRMForm.Id = (Bit32u) FetchWORD(iptr);
remain -= 2;
}
else return(-1);
}
break;
default:
BX_INFO(("b1 was %x", b1));
BX_PANIC(("fetchdecode32: imm_mode = %u", imm_mode));
}
unsigned imm_mode2 = attr & BxImmediate2;
if (imm_mode2) {
switch (imm_mode2) {
case BxImmediate_Ib2:
if (remain != 0) {
i->modRMForm.Ib2 = *iptr;
remain--;
}
else {
return(-1);
}
break;
case BxImmediate_Iw2:
if (remain > 1) {
i->modRMForm.Iw2 = FetchWORD(iptr);
remain -= 2;
}
else {
return(-1);
}
break;
default:
BX_INFO(("b1 was %x", b1));
BX_PANIC(("fetchdecode: imm_mode2 = %u", imm_mode2));
}
}
}
#if BX_SUPPORT_3DNOW
if(b1 == 0x10f)
ia_opcode = Bx3DNowOpcode[i->modRMForm.Ib];
#endif
// assign sources
for (unsigned n = 0; n <= 3; n++) {
unsigned def = (unsigned) BxOpcodesTable[ia_opcode].src[n] & 0xf;
#if BX_SUPPORT_AVX
if (def == BX_SRC_RM_VIB) {
def = (vex_w) ? BX_SRC_RM : BX_SRC_VIB;
}
else if (def == BX_SRC_VIB_RM) {
def = (vex_w) ? BX_SRC_VIB : BX_SRC_RM;
}
else if (def == BX_SRC_RM_VVV) {
def = (vex_w) ? BX_SRC_RM : BX_SRC_VVV;
}
else if (def == BX_SRC_VVV_RM) {
def = (vex_w) ? BX_SRC_VVV : BX_SRC_RM;
}
#endif
switch(def) {
case BX_SRC_EAX:
i->setSrcReg(n, 0);
break;
case BX_SRC_NNN:
i->setSrcReg(n, nnn);
break;
case BX_SRC_RM:
i->setSrcReg(n, mod_mem ? BX_TMP_REGISTER : rm);
break;
#if BX_SUPPORT_AVX
case BX_SRC_MEM_NO_VVV:
if (mod_mem) break;
// else fall through
case BX_SRC_VVV:
i->setSrcReg(n, vvv);
use_vvv = 1;
break;
case BX_SRC_VIB:
i->setSrcReg(n, (i->Ib() >> 4) & 7);
break;
#endif
default:
if (def != BX_SRC_NONE)
BX_PANIC(("fetchdecode32: unknown definition %d for src %d", def, n));
}
}
// assign memory segment override
if (! BX_NULL_SEG_REG(seg_override))
seg = seg_override;
i->setSeg(seg);
i->setILen(remainingInPage - remain);
i->setIaOpcode(ia_opcode);
#if BX_SUPPORT_AVX
if (had_vex > 0 || had_xop > 0) {
if (! use_vvv && vvv != 0) {
ia_opcode = BX_IA_ERROR;
}
if ((attr & BxVexW0) != 0 && vex_w) {
ia_opcode = BX_IA_ERROR;
}
if ((attr & BxVexW1) != 0 && !vex_w) {
ia_opcode = BX_IA_ERROR;
}
}
else {
BX_ASSERT(! use_vvv);
}
#endif
if (mod_mem) {
i->execute = BxOpcodesTable[ia_opcode].execute1;
i->handlers.execute2 = BxOpcodesTable[ia_opcode].execute2;
if (ia_opcode == BX_IA_MOV32_GdEd) {
if (seg == BX_SEG_REG_SS)
i->execute = &BX_CPU_C::MOV32S_GdEdM;
}
if (ia_opcode == BX_IA_MOV32_EdGd) {
if (seg == BX_SEG_REG_SS)
i->execute = &BX_CPU_C::MOV32S_EdGdM;
}
}
else {
i->execute = BxOpcodesTable[ia_opcode].execute2;
i->handlers.execute2 = NULL;
}
BX_ASSERT(i->execute);
#if BX_CPU_LEVEL >= 6
Bit32u op_flags = BxOpcodesTable[ia_opcode].src[3];
if (! BX_CPU_THIS_PTR sse_ok) {
if (op_flags & BX_PREPARE_SSE) {
if (i->execute != &BX_CPU_C::BxError) i->execute = &BX_CPU_C::BxNoSSE;
return(1);
}
}
#if BX_SUPPORT_AVX
if (! BX_CPU_THIS_PTR avx_ok) {
if (op_flags & BX_PREPARE_AVX) {
if (i->execute != &BX_CPU_C::BxError) i->execute = &BX_CPU_C::BxNoAVX;
return(1);
}
}
#endif
#endif
if ((attr & BxTraceEnd) || ia_opcode == BX_IA_ERROR)
return(1);
return(0);
}
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::BxError(bxInstruction_c *i)
{
unsigned ia_opcode = i->getIaOpcode();
if (ia_opcode == BX_IA_ERROR) {
BX_DEBUG(("BxError: Encountered an unknown instruction (signalling #UD)"));
#if BX_DISASM && BX_DEBUGGER == 0 // with debugger it easy to see the #UD
if (LOG_THIS getonoff(LOGLEV_DEBUG))
debug_disasm_instruction(BX_CPU_THIS_PTR prev_rip);
#endif
}
else {
BX_DEBUG(("%s: instruction not supported - signalling #UD (features bitmask: 0x%08x)",
get_bx_opcode_name(ia_opcode), BX_CPU_THIS_PTR isa_extensions_bitmask));
}
exception(BX_UD_EXCEPTION, 0);
BX_NEXT_TRACE(i); // keep compiler happy
}
const char *get_bx_opcode_name(Bit16u ia_opcode)
{
static const char* BxOpcodeNamesTable[BX_IA_LAST] =
{
#define bx_define_opcode(a, b, c, d, s1, s2, s3, s4, e) #a,
#include "ia_opcodes.h"
};
#undef bx_define_opcode
return (ia_opcode < BX_IA_LAST) ? BxOpcodeNamesTable[ia_opcode] : 0;
}
void BX_CPU_C::init_FetchDecodeTables(void)
{
static Bit64u BxOpcodeFeatures[BX_IA_LAST] =
{
#define bx_define_opcode(a, b, c, d, s1, s2, s3, s4, e) d,
#include "ia_opcodes.h"
};
#undef bx_define_opcode
Bit64u features = BX_CPU_THIS_PTR isa_extensions_bitmask;
#if BX_CPU_LEVEL > 3
if (! features)
BX_PANIC(("init_FetchDecodeTables: CPU features bitmask is empty !"));
#endif
if (BX_IA_LAST > 0xfff)
BX_PANIC(("init_FetchDecodeTables: too many opcodes defined !"));
for (unsigned n=0; n < BX_IA_LAST; n++) {
Bit64u ia_opcode_features = BxOpcodeFeatures[n];
if (ia_opcode_features && (ia_opcode_features & features) == 0) {
BxOpcodesTable[n].execute1 = &BX_CPU_C::BxError;
BxOpcodesTable[n].execute2 = &BX_CPU_C::BxError;
// won't allow this new #UD opcode to check prepare_SSE and similar
BxOpcodesTable[n].src[3] = 0;
}
}
// handle special case - BSF/BSR vs TZCNT/LZCNT
if (! BX_CPUID_SUPPORT_ISA_EXTENSION(BX_ISA_LZCNT)) {
BxOpcodesTable[BX_IA_LZCNT_GwEw] = BxOpcodesTable[BX_IA_BSR_GwEw];
BxOpcodesTable[BX_IA_LZCNT_GdEd] = BxOpcodesTable[BX_IA_BSR_GdEd];
#if BX_SUPPORT_X86_64
BxOpcodesTable[BX_IA_LZCNT_GqEq] = BxOpcodesTable[BX_IA_BSR_GqEq];
#endif
}
if (! BX_CPUID_SUPPORT_ISA_EXTENSION(BX_ISA_BMI1)) {
BxOpcodesTable[BX_IA_TZCNT_GwEw] = BxOpcodesTable[BX_IA_BSF_GwEw];
BxOpcodesTable[BX_IA_TZCNT_GdEd] = BxOpcodesTable[BX_IA_BSF_GdEd];
#if BX_SUPPORT_X86_64
BxOpcodesTable[BX_IA_TZCNT_GqEq] = BxOpcodesTable[BX_IA_BSF_GqEq];
#endif
}
}
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