source: vbox/trunk/src/VBox/VMM/VMMAll/IEMAllInstructionsTwoByte0f.cpp.h@ 66581

/* $Id: IEMAllInstructionsTwoByte0f.cpp.h 66581 2017-04-17 03:00:00Z vboxsync $ */
/** @file
 * IEM - Instruction Decoding and Emulation.
 *
 * @remarks IEMAllInstructionsVexMap1.cpp.h is a VEX mirror of this file.
 *          Any update here is likely needed in that file too.
 */

/*
 * Copyright (C) 2011-2017 Oracle Corporation
 *
 * This file is part of VirtualBox Open Source Edition (OSE), as
 * available from http://www.215389.xyz. This file is free software;
 * you can redistribute it and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software
 * Foundation, in version 2 as it comes in the "COPYING" file of the
 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 */


/** @name Two byte opcodes (first byte 0x0f).
 *
 * @{
 */

/** Opcode 0x0f 0x00 /0. */
FNIEMOPRM_DEF(iemOp_Grp6_sldt)
{
    IEMOP_MNEMONIC(sldt, "sldt Rv/Mw");
    IEMOP_HLP_MIN_286();
    IEMOP_HLP_NO_REAL_OR_V86_MODE();

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DECODED_NL_1(OP_SLDT, IEMOPFORM_M_REG, OP_PARM_Ew, DISOPTYPE_DANGEROUS | DISOPTYPE_PRIVILEGED_NOTRAP);
        IEMOP_HLP_SVM_CTRL_INTERCEPT(pVCpu, SVM_CTRL_INTERCEPT_LDTR_READS, SVM_EXIT_LDTR_READ, 0, 0);
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint16_t, u16Ldtr);
                IEM_MC_FETCH_LDTR_U16(u16Ldtr);
                IEM_MC_STORE_GREG_U16((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u16Ldtr);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                break;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint32_t, u32Ldtr);
                IEM_MC_FETCH_LDTR_U32(u32Ldtr);
                IEM_MC_STORE_GREG_U32((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u32Ldtr);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                break;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint64_t, u64Ldtr);
                IEM_MC_FETCH_LDTR_U64(u64Ldtr);
                IEM_MC_STORE_GREG_U64((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u64Ldtr);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                break;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint16_t, u16Ldtr);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DECODED_NL_1(OP_SLDT, IEMOPFORM_M_MEM, OP_PARM_Ew, DISOPTYPE_DANGEROUS | DISOPTYPE_PRIVILEGED_NOTRAP);
        IEMOP_HLP_SVM_CTRL_INTERCEPT(pVCpu, SVM_CTRL_INTERCEPT_LDTR_READS, SVM_EXIT_LDTR_READ, 0, 0);
        IEM_MC_FETCH_LDTR_U16(u16Ldtr);
        IEM_MC_STORE_MEM_U16(pVCpu->iem.s.iEffSeg, GCPtrEffDst, u16Ldtr);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x00 /1. */
FNIEMOPRM_DEF(iemOp_Grp6_str)
{
    IEMOP_MNEMONIC(str, "str Rv/Mw");
    IEMOP_HLP_MIN_286();
    IEMOP_HLP_NO_REAL_OR_V86_MODE();

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DECODED_NL_1(OP_STR, IEMOPFORM_M_REG, OP_PARM_Ew, DISOPTYPE_DANGEROUS | DISOPTYPE_PRIVILEGED_NOTRAP);
        IEMOP_HLP_SVM_CTRL_INTERCEPT(pVCpu, SVM_CTRL_INTERCEPT_TR_READS, SVM_EXIT_TR_READ, 0, 0);
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint16_t, u16Tr);
                IEM_MC_FETCH_TR_U16(u16Tr);
                IEM_MC_STORE_GREG_U16((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u16Tr);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                break;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint32_t, u32Tr);
                IEM_MC_FETCH_TR_U32(u32Tr);
                IEM_MC_STORE_GREG_U32((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u32Tr);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                break;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint64_t, u64Tr);
                IEM_MC_FETCH_TR_U64(u64Tr);
                IEM_MC_STORE_GREG_U64((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u64Tr);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                break;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint16_t, u16Tr);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DECODED_NL_1(OP_STR, IEMOPFORM_M_MEM, OP_PARM_Ew, DISOPTYPE_DANGEROUS | DISOPTYPE_PRIVILEGED_NOTRAP);
        IEMOP_HLP_SVM_CTRL_INTERCEPT(pVCpu, SVM_CTRL_INTERCEPT_TR_READS, SVM_EXIT_TR_READ, 0, 0);
        IEM_MC_FETCH_TR_U16(u16Tr);
        IEM_MC_STORE_MEM_U16(pVCpu->iem.s.iEffSeg, GCPtrEffDst, u16Tr);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x00 /2. */
FNIEMOPRM_DEF(iemOp_Grp6_lldt)
{
    IEMOP_MNEMONIC(lldt, "lldt Ew");
    IEMOP_HLP_MIN_286();
    IEMOP_HLP_NO_REAL_OR_V86_MODE();

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DECODED_NL_1(OP_LLDT, IEMOPFORM_M_REG, OP_PARM_Ew, DISOPTYPE_DANGEROUS);
        IEM_MC_BEGIN(1, 0);
        IEM_MC_ARG(uint16_t, u16Sel, 0);
        IEM_MC_FETCH_GREG_U16(u16Sel, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_CIMPL_1(iemCImpl_lldt, u16Sel);
        IEM_MC_END();
    }
    else
    {
        IEM_MC_BEGIN(1, 1);
        IEM_MC_ARG(uint16_t, u16Sel, 0);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffSrc);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DECODED_NL_1(OP_LLDT, IEMOPFORM_M_MEM, OP_PARM_Ew, DISOPTYPE_DANGEROUS);
        IEM_MC_RAISE_GP0_IF_CPL_NOT_ZERO(); /** @todo test order */
        IEM_MC_FETCH_MEM_U16(u16Sel, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_CALL_CIMPL_1(iemCImpl_lldt, u16Sel);
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x00 /3. */
FNIEMOPRM_DEF(iemOp_Grp6_ltr)
{
    IEMOP_MNEMONIC(ltr, "ltr Ew");
    IEMOP_HLP_MIN_286();
    IEMOP_HLP_NO_REAL_OR_V86_MODE();

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(1, 0);
        IEM_MC_ARG(uint16_t, u16Sel, 0);
        IEM_MC_FETCH_GREG_U16(u16Sel, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_CIMPL_1(iemCImpl_ltr, u16Sel);
        IEM_MC_END();
    }
    else
    {
        IEM_MC_BEGIN(1, 1);
        IEM_MC_ARG(uint16_t, u16Sel, 0);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffSrc);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_RAISE_GP0_IF_CPL_NOT_ZERO(); /** @todo test ordre */
        IEM_MC_FETCH_MEM_U16(u16Sel, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_CALL_CIMPL_1(iemCImpl_ltr, u16Sel);
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x00 /3. */
FNIEMOP_DEF_2(iemOpCommonGrp6VerX, uint8_t, bRm, bool, fWrite)
{
    IEMOP_HLP_MIN_286();
    IEMOP_HLP_NO_REAL_OR_V86_MODE();

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DECODED_NL_1(fWrite ? OP_VERW : OP_VERR, IEMOPFORM_M_MEM, OP_PARM_Ew, DISOPTYPE_DANGEROUS | DISOPTYPE_PRIVILEGED_NOTRAP);
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(uint16_t,    u16Sel,            0);
        IEM_MC_ARG_CONST(bool,  fWriteArg, fWrite, 1);
        IEM_MC_FETCH_GREG_U16(u16Sel, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_CIMPL_2(iemCImpl_VerX, u16Sel, fWriteArg);
        IEM_MC_END();
    }
    else
    {
        IEM_MC_BEGIN(2, 1);
        IEM_MC_ARG(uint16_t,    u16Sel,            0);
        IEM_MC_ARG_CONST(bool,  fWriteArg, fWrite, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffSrc);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DECODED_NL_1(fWrite ? OP_VERW : OP_VERR, IEMOPFORM_M_MEM, OP_PARM_Ew, DISOPTYPE_DANGEROUS | DISOPTYPE_PRIVILEGED_NOTRAP);
        IEM_MC_FETCH_MEM_U16(u16Sel, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_CALL_CIMPL_2(iemCImpl_VerX, u16Sel, fWriteArg);
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x00 /4. */
FNIEMOPRM_DEF(iemOp_Grp6_verr)
{
    IEMOP_MNEMONIC(verr, "verr Ew");
    IEMOP_HLP_MIN_286();
    return FNIEMOP_CALL_2(iemOpCommonGrp6VerX, bRm, false);
}


/** Opcode 0x0f 0x00 /5. */
FNIEMOPRM_DEF(iemOp_Grp6_verw)
{
    IEMOP_MNEMONIC(verw, "verw Ew");
    IEMOP_HLP_MIN_286();
    return FNIEMOP_CALL_2(iemOpCommonGrp6VerX, bRm, true);
}


/**
 * Group 6 jump table.
 */
IEM_STATIC const PFNIEMOPRM g_apfnGroup6[8] =
{
    iemOp_Grp6_sldt,
    iemOp_Grp6_str,
    iemOp_Grp6_lldt,
    iemOp_Grp6_ltr,
    iemOp_Grp6_verr,
    iemOp_Grp6_verw,
    iemOp_InvalidWithRM,
    iemOp_InvalidWithRM
};

/** Opcode 0x0f 0x00. */
FNIEMOP_DEF(iemOp_Grp6)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    return FNIEMOP_CALL_1(g_apfnGroup6[(bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK], bRm);
}


/** Opcode 0x0f 0x01 /0. */
FNIEMOP_DEF_1(iemOp_Grp7_sgdt, uint8_t, bRm)
{
    IEMOP_MNEMONIC(sgdt, "sgdt Ms");
    IEMOP_HLP_MIN_286();
    IEMOP_HLP_64BIT_OP_SIZE();
    IEM_MC_BEGIN(2, 1);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                    0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEffSrc,                                1);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_2(iemCImpl_sgdt, iEffSeg, GCPtrEffSrc);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x01 /0. */
FNIEMOP_DEF(iemOp_Grp7_vmcall)
{
    IEMOP_BITCH_ABOUT_STUB();
    return IEMOP_RAISE_INVALID_OPCODE();
}


/** Opcode 0x0f 0x01 /0. */
FNIEMOP_DEF(iemOp_Grp7_vmlaunch)
{
    IEMOP_BITCH_ABOUT_STUB();
    return IEMOP_RAISE_INVALID_OPCODE();
}


/** Opcode 0x0f 0x01 /0. */
FNIEMOP_DEF(iemOp_Grp7_vmresume)
{
    IEMOP_BITCH_ABOUT_STUB();
    return IEMOP_RAISE_INVALID_OPCODE();
}


/** Opcode 0x0f 0x01 /0. */
FNIEMOP_DEF(iemOp_Grp7_vmxoff)
{
    IEMOP_BITCH_ABOUT_STUB();
    return IEMOP_RAISE_INVALID_OPCODE();
}


/** Opcode 0x0f 0x01 /1. */
FNIEMOP_DEF_1(iemOp_Grp7_sidt, uint8_t, bRm)
{
    IEMOP_MNEMONIC(sidt, "sidt Ms");
    IEMOP_HLP_MIN_286();
    IEMOP_HLP_64BIT_OP_SIZE();
    IEM_MC_BEGIN(2, 1);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                    0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEffSrc,                                1);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_2(iemCImpl_sidt, iEffSeg, GCPtrEffSrc);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x01 /1. */
FNIEMOP_DEF(iemOp_Grp7_monitor)
{
    IEMOP_MNEMONIC(monitor, "monitor");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX(); /** @todo Verify that monitor is allergic to lock prefixes. */
    return IEM_MC_DEFER_TO_CIMPL_1(iemCImpl_monitor, pVCpu->iem.s.iEffSeg);
}


/** Opcode 0x0f 0x01 /1. */
FNIEMOP_DEF(iemOp_Grp7_mwait)
{
    IEMOP_MNEMONIC(mwait, "mwait"); /** @todo Verify that mwait is allergic to lock prefixes. */
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_mwait);
}


/** Opcode 0x0f 0x01 /2. */
FNIEMOP_DEF_1(iemOp_Grp7_lgdt, uint8_t, bRm)
{
    IEMOP_MNEMONIC(lgdt, "lgdt");
    IEMOP_HLP_64BIT_OP_SIZE();
    IEM_MC_BEGIN(3, 1);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                    0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEffSrc,                                1);
    IEM_MC_ARG_CONST(IEMMODE,   enmEffOpSizeArg,/*=*/pVCpu->iem.s.enmEffOpSize, 2);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_3(iemCImpl_lgdt, iEffSeg, GCPtrEffSrc, enmEffOpSizeArg);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x01 0xd0. */
FNIEMOP_DEF(iemOp_Grp7_xgetbv)
{
    IEMOP_MNEMONIC(xgetbv, "xgetbv");
    if (IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fXSaveRstor)
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_REPZ_OR_REPNZ_PREFIXES();
        return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_xgetbv);
    }
    return IEMOP_RAISE_INVALID_OPCODE();
}


/** Opcode 0x0f 0x01 0xd1. */
FNIEMOP_DEF(iemOp_Grp7_xsetbv)
{
    IEMOP_MNEMONIC(xsetbv, "xsetbv");
    if (IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fXSaveRstor)
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_REPZ_OR_REPNZ_PREFIXES();
        return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_xsetbv);
    }
    return IEMOP_RAISE_INVALID_OPCODE();
}


/** Opcode 0x0f 0x01 /3. */
FNIEMOP_DEF_1(iemOp_Grp7_lidt, uint8_t, bRm)
{
    IEMOP_MNEMONIC(lidt, "lidt");
    IEMMODE enmEffOpSize = pVCpu->iem.s.enmCpuMode == IEMMODE_64BIT
                         ? IEMMODE_64BIT
                         : pVCpu->iem.s.enmEffOpSize;
    IEM_MC_BEGIN(3, 1);
    IEM_MC_ARG(uint8_t,         iEffSeg,                            0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEffSrc,                        1);
    IEM_MC_ARG_CONST(IEMMODE,   enmEffOpSizeArg,/*=*/enmEffOpSize,  2);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_3(iemCImpl_lidt, iEffSeg, GCPtrEffSrc, enmEffOpSizeArg);
    IEM_MC_END();
    return VINF_SUCCESS;
}


#ifdef VBOX_WITH_NESTED_HWVIRT
/** Opcode 0x0f 0x01 0xd8. */
FNIEMOP_DEF(iemOp_Grp7_Amd_vmrun)
{
    IEMOP_MNEMONIC(vmrun, "vmrun");
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_vmrun);
}

/** Opcode 0x0f 0x01 0xd9. */
FNIEMOP_DEF(iemOp_Grp7_Amd_vmmcall)
{
    IEMOP_MNEMONIC(vmmcall, "vmmcall");
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_vmmcall);
}


/** Opcode 0x0f 0x01 0xda. */
FNIEMOP_DEF(iemOp_Grp7_Amd_vmload)
{
    IEMOP_MNEMONIC(vmload, "vmload");
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_vmload);
}


/** Opcode 0x0f 0x01 0xdb. */
FNIEMOP_DEF(iemOp_Grp7_Amd_vmsave)
{
    IEMOP_MNEMONIC(vmsave, "vmsave");
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_vmsave);
}


/** Opcode 0x0f 0x01 0xdc. */
FNIEMOP_DEF(iemOp_Grp7_Amd_stgi)
{
    IEMOP_MNEMONIC(stgi, "stgi");
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_stgi);
}


/** Opcode 0x0f 0x01 0xdd. */
FNIEMOP_DEF(iemOp_Grp7_Amd_clgi)
{
    IEMOP_MNEMONIC(clgi, "clgi");
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_clgi);
}


/** Opcode 0x0f 0x01 0xdf. */
FNIEMOP_DEF(iemOp_Grp7_Amd_invlpga)
{
    IEMOP_MNEMONIC(invlpga, "invlpga");
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_invlpga);
}


/** Opcode 0x0f 0x01 0xde. */
FNIEMOP_DEF(iemOp_Grp7_Amd_skinit)
{
    IEMOP_MNEMONIC(skinit, "skinit");
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_skinit);
}
#else
/** Opcode 0x0f 0x01 0xd8. */
FNIEMOP_UD_STUB(iemOp_Grp7_Amd_vmrun);

/** Opcode 0x0f 0x01 0xd9. */
FNIEMOP_UD_STUB(iemOp_Grp7_Amd_vmmcall);

/** Opcode 0x0f 0x01 0xda. */
FNIEMOP_UD_STUB(iemOp_Grp7_Amd_vmload);

/** Opcode 0x0f 0x01 0xdb. */
FNIEMOP_UD_STUB(iemOp_Grp7_Amd_vmsave);

/** Opcode 0x0f 0x01 0xdc. */
FNIEMOP_UD_STUB(iemOp_Grp7_Amd_stgi);

/** Opcode 0x0f 0x01 0xdd. */
FNIEMOP_UD_STUB(iemOp_Grp7_Amd_clgi);

/** Opcode 0x0f 0x01 0xdf. */
FNIEMOP_UD_STUB(iemOp_Grp7_Amd_invlpga);

/** Opcode 0x0f 0x01 0xde. */
FNIEMOP_UD_STUB(iemOp_Grp7_Amd_skinit);
#endif /* VBOX_WITH_NESTED_HWVIRT */

/** Opcode 0x0f 0x01 /4. */
FNIEMOP_DEF_1(iemOp_Grp7_smsw, uint8_t, bRm)
{
    IEMOP_MNEMONIC(smsw, "smsw");
    IEMOP_HLP_MIN_286();
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEMOP_HLP_SVM_READ_CR_INTERCEPT(pVCpu, /*cr*/ 0, 0 /* uExitInfo1 */, 0 /* uExitInfo2 */);
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint16_t, u16Tmp);
                IEM_MC_FETCH_CR0_U16(u16Tmp);
                if (IEM_GET_TARGET_CPU(pVCpu) > IEMTARGETCPU_386)
                { /* likely */ }
                else if (IEM_GET_TARGET_CPU(pVCpu) >= IEMTARGETCPU_386)
                    IEM_MC_OR_LOCAL_U16(u16Tmp, 0xffe0);
                else
                    IEM_MC_OR_LOCAL_U16(u16Tmp, 0xfff0);
                IEM_MC_STORE_GREG_U16((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u16Tmp);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint32_t, u32Tmp);
                IEM_MC_FETCH_CR0_U32(u32Tmp);
                IEM_MC_STORE_GREG_U32((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u32Tmp);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint64_t, u64Tmp);
                IEM_MC_FETCH_CR0_U64(u64Tmp);
                IEM_MC_STORE_GREG_U64((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u64Tmp);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        /* Ignore operand size here, memory refs are always 16-bit. */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint16_t, u16Tmp);
        IEM_MC_LOCAL(RTGCPTR,  GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEMOP_HLP_SVM_READ_CR_INTERCEPT(pVCpu, /*cr*/ 0, 0 /* uExitInfo1 */, 0 /* uExitInfo2 */);
        IEM_MC_FETCH_CR0_U16(u16Tmp);
        if (IEM_GET_TARGET_CPU(pVCpu) > IEMTARGETCPU_386)
        { /* likely */ }
        else if (pVCpu->iem.s.uTargetCpu >= IEMTARGETCPU_386)
            IEM_MC_OR_LOCAL_U16(u16Tmp, 0xffe0);
        else
            IEM_MC_OR_LOCAL_U16(u16Tmp, 0xfff0);
        IEM_MC_STORE_MEM_U16(pVCpu->iem.s.iEffSeg, GCPtrEffDst, u16Tmp);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
        return VINF_SUCCESS;
    }
}


/** Opcode 0x0f 0x01 /6. */
FNIEMOP_DEF_1(iemOp_Grp7_lmsw, uint8_t, bRm)
{
    /* The operand size is effectively ignored, all is 16-bit and only the
       lower 3-bits are used. */
    IEMOP_MNEMONIC(lmsw, "lmsw");
    IEMOP_HLP_MIN_286();
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(1, 0);
        IEM_MC_ARG(uint16_t, u16Tmp, 0);
        IEM_MC_FETCH_GREG_U16(u16Tmp, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_CIMPL_1(iemCImpl_lmsw, u16Tmp);
        IEM_MC_END();
    }
    else
    {
        IEM_MC_BEGIN(1, 1);
        IEM_MC_ARG(uint16_t, u16Tmp, 0);
        IEM_MC_LOCAL(RTGCPTR,  GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_FETCH_MEM_U16(u16Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
        IEM_MC_CALL_CIMPL_1(iemCImpl_lmsw, u16Tmp);
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x01 /7. */
FNIEMOP_DEF_1(iemOp_Grp7_invlpg, uint8_t, bRm)
{
    IEMOP_MNEMONIC(invlpg, "invlpg");
    IEMOP_HLP_MIN_486();
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_BEGIN(1, 1);
    IEM_MC_ARG(RTGCPTR, GCPtrEffDst, 0);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
    IEM_MC_CALL_CIMPL_1(iemCImpl_invlpg, GCPtrEffDst);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x01 /7. */
FNIEMOP_DEF(iemOp_Grp7_swapgs)
{
    IEMOP_MNEMONIC(swapgs, "swapgs");
    IEMOP_HLP_ONLY_64BIT();
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_swapgs);
}


/** Opcode 0x0f 0x01 /7. */
FNIEMOP_DEF(iemOp_Grp7_rdtscp)
{
    IEMOP_MNEMONIC(rdtscp, "rdtscp");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    /** @todo SVM intercept removal from here. */
    IEMOP_HLP_SVM_CTRL_INTERCEPT(pVCpu, SVM_CTRL_INTERCEPT_RDTSCP, SVM_EXIT_RDTSCP, 0, 0);
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_rdtscp);
}


/**
 * Group 7 jump table, memory variant.
 */
IEM_STATIC const PFNIEMOPRM g_apfnGroup7Mem[8] =
{
    iemOp_Grp7_sgdt,
    iemOp_Grp7_sidt,
    iemOp_Grp7_lgdt,
    iemOp_Grp7_lidt,
    iemOp_Grp7_smsw,
    iemOp_InvalidWithRM,
    iemOp_Grp7_lmsw,
    iemOp_Grp7_invlpg
};


/** Opcode 0x0f 0x01. */
FNIEMOP_DEF(iemOp_Grp7)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
        return FNIEMOP_CALL_1(g_apfnGroup7Mem[(bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK], bRm);

    switch ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK)
    {
        case 0:
            switch (bRm & X86_MODRM_RM_MASK)
            {
                case 1: return FNIEMOP_CALL(iemOp_Grp7_vmcall);
                case 2: return FNIEMOP_CALL(iemOp_Grp7_vmlaunch);
                case 3: return FNIEMOP_CALL(iemOp_Grp7_vmresume);
                case 4: return FNIEMOP_CALL(iemOp_Grp7_vmxoff);
            }
            return IEMOP_RAISE_INVALID_OPCODE();

        case 1:
            switch (bRm & X86_MODRM_RM_MASK)
            {
                case 0: return FNIEMOP_CALL(iemOp_Grp7_monitor);
                case 1: return FNIEMOP_CALL(iemOp_Grp7_mwait);
            }
            return IEMOP_RAISE_INVALID_OPCODE();

        case 2:
            switch (bRm & X86_MODRM_RM_MASK)
            {
                case 0: return FNIEMOP_CALL(iemOp_Grp7_xgetbv);
                case 1: return FNIEMOP_CALL(iemOp_Grp7_xsetbv);
            }
            return IEMOP_RAISE_INVALID_OPCODE();

        case 3:
            switch (bRm & X86_MODRM_RM_MASK)
            {
                case 0: return FNIEMOP_CALL(iemOp_Grp7_Amd_vmrun);
                case 1: return FNIEMOP_CALL(iemOp_Grp7_Amd_vmmcall);
                case 2: return FNIEMOP_CALL(iemOp_Grp7_Amd_vmload);
                case 3: return FNIEMOP_CALL(iemOp_Grp7_Amd_vmsave);
                case 4: return FNIEMOP_CALL(iemOp_Grp7_Amd_stgi);
                case 5: return FNIEMOP_CALL(iemOp_Grp7_Amd_clgi);
                case 6: return FNIEMOP_CALL(iemOp_Grp7_Amd_skinit);
                case 7: return FNIEMOP_CALL(iemOp_Grp7_Amd_invlpga);
                IEM_NOT_REACHED_DEFAULT_CASE_RET();
            }

        case 4:
            return FNIEMOP_CALL_1(iemOp_Grp7_smsw, bRm);

        case 5:
            return IEMOP_RAISE_INVALID_OPCODE();

        case 6:
            return FNIEMOP_CALL_1(iemOp_Grp7_lmsw, bRm);

        case 7:
            switch (bRm & X86_MODRM_RM_MASK)
            {
                case 0: return FNIEMOP_CALL(iemOp_Grp7_swapgs);
                case 1: return FNIEMOP_CALL(iemOp_Grp7_rdtscp);
            }
            return IEMOP_RAISE_INVALID_OPCODE();

        IEM_NOT_REACHED_DEFAULT_CASE_RET();
    }
}

/** Opcode 0x0f 0x00 /3. */
FNIEMOP_DEF_1(iemOpCommonLarLsl_Gv_Ew, bool, fIsLar)
{
    IEMOP_HLP_NO_REAL_OR_V86_MODE();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DECODED_NL_2(fIsLar ? OP_LAR : OP_LSL, IEMOPFORM_RM_REG, OP_PARM_Gv, OP_PARM_Ew, DISOPTYPE_DANGEROUS | DISOPTYPE_PRIVILEGED_NOTRAP);
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
            {
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint16_t *,  pu16Dst,           0);
                IEM_MC_ARG(uint16_t,    u16Sel,            1);
                IEM_MC_ARG_CONST(bool,  fIsLarArg, fIsLar, 2);

                IEM_MC_REF_GREG_U16(pu16Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_GREG_U16(u16Sel, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_CALL_CIMPL_3(iemCImpl_LarLsl_u16, pu16Dst, u16Sel, fIsLarArg);

                IEM_MC_END();
                return VINF_SUCCESS;
            }

            case IEMMODE_32BIT:
            case IEMMODE_64BIT:
            {
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint64_t *,  pu64Dst,           0);
                IEM_MC_ARG(uint16_t,    u16Sel,            1);
                IEM_MC_ARG_CONST(bool,  fIsLarArg, fIsLar, 2);

                IEM_MC_REF_GREG_U64(pu64Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_GREG_U16(u16Sel, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_CALL_CIMPL_3(iemCImpl_LarLsl_u64, pu64Dst, u16Sel, fIsLarArg);

                IEM_MC_END();
                return VINF_SUCCESS;
            }

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
            {
                IEM_MC_BEGIN(3, 1);
                IEM_MC_ARG(uint16_t *,  pu16Dst,           0);
                IEM_MC_ARG(uint16_t,    u16Sel,            1);
                IEM_MC_ARG_CONST(bool,  fIsLarArg, fIsLar, 2);
                IEM_MC_LOCAL(RTGCPTR,   GCPtrEffSrc);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
                IEMOP_HLP_DECODED_NL_2(fIsLar ? OP_LAR : OP_LSL, IEMOPFORM_RM_MEM, OP_PARM_Gv, OP_PARM_Ew, DISOPTYPE_DANGEROUS | DISOPTYPE_PRIVILEGED_NOTRAP);

                IEM_MC_FETCH_MEM_U16(u16Sel, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
                IEM_MC_REF_GREG_U16(pu16Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_CALL_CIMPL_3(iemCImpl_LarLsl_u16, pu16Dst, u16Sel, fIsLarArg);

                IEM_MC_END();
                return VINF_SUCCESS;
            }

            case IEMMODE_32BIT:
            case IEMMODE_64BIT:
            {
                IEM_MC_BEGIN(3, 1);
                IEM_MC_ARG(uint64_t *,  pu64Dst,           0);
                IEM_MC_ARG(uint16_t,    u16Sel,            1);
                IEM_MC_ARG_CONST(bool,  fIsLarArg, fIsLar, 2);
                IEM_MC_LOCAL(RTGCPTR,   GCPtrEffSrc);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
                IEMOP_HLP_DECODED_NL_2(fIsLar ? OP_LAR : OP_LSL, IEMOPFORM_RM_MEM, OP_PARM_Gv, OP_PARM_Ew, DISOPTYPE_DANGEROUS | DISOPTYPE_PRIVILEGED_NOTRAP);
/** @todo testcase: make sure it's a 16-bit read. */

                IEM_MC_FETCH_MEM_U16(u16Sel, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
                IEM_MC_REF_GREG_U64(pu64Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_CALL_CIMPL_3(iemCImpl_LarLsl_u64, pu64Dst, u16Sel, fIsLarArg);

                IEM_MC_END();
                return VINF_SUCCESS;
            }

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
}



/** Opcode 0x0f 0x02. */
FNIEMOP_DEF(iemOp_lar_Gv_Ew)
{
    IEMOP_MNEMONIC(lar, "lar Gv,Ew");
    return FNIEMOP_CALL_1(iemOpCommonLarLsl_Gv_Ew, true);
}


/** Opcode 0x0f 0x03. */
FNIEMOP_DEF(iemOp_lsl_Gv_Ew)
{
    IEMOP_MNEMONIC(lsl, "lsl Gv,Ew");
    return FNIEMOP_CALL_1(iemOpCommonLarLsl_Gv_Ew, false);
}


/** Opcode 0x0f 0x05. */
FNIEMOP_DEF(iemOp_syscall)
{
    IEMOP_MNEMONIC(syscall, "syscall"); /** @todo 286 LOADALL   */
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_syscall);
}


/** Opcode 0x0f 0x06. */
FNIEMOP_DEF(iemOp_clts)
{
    IEMOP_MNEMONIC(clts, "clts");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_clts);
}


/** Opcode 0x0f 0x07. */
FNIEMOP_DEF(iemOp_sysret)
{
    IEMOP_MNEMONIC(sysret, "sysret");  /** @todo 386 LOADALL   */
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_sysret);
}


/** Opcode 0x0f 0x08. */
FNIEMOP_DEF(iemOp_invd)
{
    IEMOP_MNEMONIC(invd, "invd");
#ifdef VBOX_WITH_NESTED_HWVIRT
    IEM_MC_RAISE_GP0_IF_CPL_NOT_ZERO();
    IEMOP_HLP_SVM_CTRL_INTERCEPT(pVCpu, SVM_CTRL_INTERCEPT_INVD, SVM_EXIT_INVD, 0, 0);
#endif
    /** @todo implement invd for the regular case (above only handles nested SVM
     *        exits). */
    IEMOP_BITCH_ABOUT_STUB();
    return VERR_IEM_INSTR_NOT_IMPLEMENTED;
}

// IEMOP_HLP_MIN_486();


/** Opcode 0x0f 0x09. */
FNIEMOP_DEF(iemOp_wbinvd)
{
    IEMOP_MNEMONIC(wbinvd, "wbinvd");
    IEMOP_HLP_MIN_486();
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_BEGIN(0, 0);
    IEM_MC_RAISE_GP0_IF_CPL_NOT_ZERO();
    IEMOP_HLP_SVM_CTRL_INTERCEPT(pVCpu, SVM_CTRL_INTERCEPT_WBINVD, SVM_EXIT_WBINVD, 0, 0);
    IEM_MC_ADVANCE_RIP();
    IEM_MC_END();
    return VINF_SUCCESS; /* ignore for now */
}


/** Opcode 0x0f 0x0b. */
FNIEMOP_DEF(iemOp_ud2)
{
    IEMOP_MNEMONIC(ud2, "ud2");
    return IEMOP_RAISE_INVALID_OPCODE();
}

/** Opcode 0x0f 0x0d. */
FNIEMOP_DEF(iemOp_nop_Ev_GrpP)
{
    /* AMD prefetch group, Intel implements this as NOP Ev (and so do we). */
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->f3DNowPrefetch)
    {
        IEMOP_MNEMONIC(GrpPNotSupported, "GrpP");
        return IEMOP_RAISE_INVALID_OPCODE();
    }

    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_MNEMONIC(GrpPInvalid, "GrpP");
        return IEMOP_RAISE_INVALID_OPCODE();
    }

    switch ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK)
    {
        case 2: /* Aliased to /0 for the time being. */
        case 4: /* Aliased to /0 for the time being. */
        case 5: /* Aliased to /0 for the time being. */
        case 6: /* Aliased to /0 for the time being. */
        case 7: /* Aliased to /0 for the time being. */
        case 0: IEMOP_MNEMONIC(prefetch, "prefetch"); break;
        case 1: IEMOP_MNEMONIC(prefetchw_1, "prefetchw"); break;
        case 3: IEMOP_MNEMONIC(prefetchw_3, "prefetchw"); break;
        IEM_NOT_REACHED_DEFAULT_CASE_RET();
    }

    IEM_MC_BEGIN(0, 1);
    IEM_MC_LOCAL(RTGCPTR,  GCPtrEffSrc);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    /* Currently a NOP. */
    NOREF(GCPtrEffSrc);
    IEM_MC_ADVANCE_RIP();
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x0e. */
FNIEMOP_STUB(iemOp_femms);


/** Opcode 0x0f 0x0f. */
FNIEMOP_DEF(iemOp_3Dnow)
{
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->f3DNow)
    {
        IEMOP_MNEMONIC(Inv3Dnow, "3Dnow");
        return IEMOP_RAISE_INVALID_OPCODE();
    }

#ifdef IEM_WITH_3DNOW
    /* This is pretty sparse, use switch instead of table. */
    uint8_t b; IEM_OPCODE_GET_NEXT_U8(&b);
    return FNIEMOP_CALL_1(iemOp_3DNowDispatcher, b);
#else
    IEMOP_BITCH_ABOUT_STUB();
    return VERR_IEM_INSTR_NOT_IMPLEMENTED;
#endif
}


/** Opcode      0x0f 0x10 - vmovups Vps, Wps */
FNIEMOP_STUB(iemOp_movups_Vps_Wps);
/** Opcode 0x66 0x0f 0x10 - vmovupd Vpd, Wpd */
FNIEMOP_STUB(iemOp_movupd_Vpd_Wpd);


/**
 * @opcode      0x10
 * @oppfx       0xf3
 * @opcpuid     sse
 * @opgroup     og_sse_simdfp_datamove
 * @opxcpttype  5
 * @optest      op1=1 op2=2 -> op1=2
 * @optest      op1=0 op2=-22 -> op1=-22
 */
FNIEMOP_DEF(iemOp_movss_Vss_Wss)
{
    IEMOP_MNEMONIC2(RM, MOVSS, movss, VssZxReg, Wss, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(uint32_t,                  uSrc);

        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_FETCH_XREG_U32(uSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_STORE_XREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint32_t,                  uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();

        IEM_MC_FETCH_MEM_U32(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_STORE_XREG_U32_ZX_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0xf2 0x0f 0x10 - movsd Vx, Wsd */
FNIEMOP_STUB(iemOp_movsd_Vx_Wsd);


/**
 * @opcode      0x11
 * @oppfx       none
 * @opcpuid     sse
 * @opgroup     og_sse_simdfp_datamove
 * @opxcpttype  4UA
 * @optest      op1=1 op2=2 -> op1=2
 * @optest      op1=0 op2=-42 -> op1=-42
 */
FNIEMOP_DEF(iemOp_movups_Wps_Vps)
{
    IEMOP_MNEMONIC2(MR, MOVUPS, movups, Wps, Vps, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB,
                              ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc); /** @todo optimize this one day... */
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U128(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U128(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/**
 * @opcode      0x11
 * @oppfx       0x66
 * @opcpuid     sse2
 * @opgroup     og_sse2_pcksclr_datamove
 * @opxcpttype  4UA
 * @optest      op1=1 op2=2 -> op1=2
 * @optest      op1=0 op2=-42 -> op1=-42
 */
FNIEMOP_DEF(iemOp_movupd_Wpd_Vpd)
{
    IEMOP_MNEMONIC2(MR, MOVUPD, movupd, Wpd, Vpd, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB,
                              ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc); /** @todo optimize this one day... */
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U128(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U128(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/**
 * @opcode      0x11
 * @oppfx       0xf3
 * @opcpuid     sse
 * @opgroup     og_sse_simdfp_datamove
 * @opxcpttype  5
 * @optest      op1=1 op2=2 -> op1=2
 * @optest      op1=0 op2=-22 -> op1=-22
 */
FNIEMOP_DEF(iemOp_movss_Wss_Vss)
{
    IEMOP_MNEMONIC2(MR, MOVSS, movss, Wss, Vss, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(uint32_t,                  uSrc);

        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_FETCH_XREG_U32(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_XREG_U32((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint32_t,                  uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U32(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U32(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/**
 * @opcode      0x11
 * @oppfx       0xf2
 * @opcpuid     sse2
 * @opgroup     og_sse2_pcksclr_datamove
 * @opxcpttype  5
 * @optest      op1=1 op2=2 -> op1=2
 * @optest      op1=0 op2=-42 -> op1=-42
 */
FNIEMOP_DEF(iemOp_movsd_Wsd_Vsd)
{
    IEMOP_MNEMONIC2(MR, MOVSD, movsd, Wsd, Vsd, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(uint64_t,                  uSrc);

        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_FETCH_XREG_U64(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_XREG_U64((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U64(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U64(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


FNIEMOP_DEF(iemOp_movlps_Vq_Mq__movhlps)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /**
         * @opcode      0x12
         * @opcodesub   11 mr/reg
         * @oppfx       none
         * @opcpuid     sse
         * @opgroup     og_sse_simdfp_datamove
         * @opxcpttype  5
         * @optest      op1=1 op2=2 -> op1=2
         * @optest      op1=0 op2=-42 -> op1=-42
         */
        IEMOP_MNEMONIC2(RM_REG, MOVHLPS, movhlps, Vq, UqHi, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);

        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(uint64_t,                  uSrc);

        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_FETCH_XREG_HI_U64(uSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_STORE_XREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /**
         * @opdone
         * @opcode      0x12
         * @opcodesub   !11 mr/reg
         * @oppfx       none
         * @opcpuid     sse
         * @opgroup     og_sse_simdfp_datamove
         * @opxcpttype  5
         * @optest      op1=1 op2=2 -> op1=2
         * @optest      op1=0 op2=-42 -> op1=-42
         * @opfunction  iemOp_movlps_Vq_Mq__vmovhlps
         */
        IEMOP_MNEMONIC2(RM_MEM, MOVLPS, movlps, Vq, Mq, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);

        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();

        IEM_MC_FETCH_MEM_U64(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_STORE_XREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/**
 * @opcode      0x12
 * @opcodesub   !11 mr/reg
 * @oppfx       0x66
 * @opcpuid     sse2
 * @opgroup     og_sse2_pcksclr_datamove
 * @opxcpttype  5
 * @optest      op1=1 op2=2 -> op1=2
 * @optest      op1=0 op2=-42 -> op1=-42
 */
FNIEMOP_DEF(iemOp_movlpd_Vq_Mq)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_MNEMONIC2(RM_MEM, MOVLPD, movlpd, Vq, Mq, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);

        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();

        IEM_MC_FETCH_MEM_U64(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_STORE_XREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
        return VINF_SUCCESS;
    }

    /**
     * @opdone
     * @opmnemonic  ud660f12m3
     * @opcode      0x12
     * @opcodesub   11 mr/reg
     * @oppfx       0x66
     * @opunused    immediate
     * @opcpuid     sse
     * @optest      ->
     */
    return IEMOP_RAISE_INVALID_OPCODE();
}


/**
 * @opcode      0x12
 * @oppfx       0xf3
 * @opcpuid     sse3
 * @opgroup     og_sse3_pcksclr_datamove
 * @opxcpttype  4
 * @optest      op1=-1 op2=0xdddddddd00000002eeeeeeee00000001 ->
 *              op1=0x00000002000000020000000100000001
 */
FNIEMOP_DEF(iemOp_movsldup_Vdq_Wdq)
{
    IEMOP_MNEMONIC2(RM, MOVSLDUP, movsldup, Vdq, Wdq, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(PRTUINT128U,                 puDst, 0);
        IEM_MC_ARG(PCRTUINT128U,                puSrc, 1);

        IEM_MC_MAYBE_RAISE_SSE3_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();

        IEM_MC_REF_XREG_U128_CONST(puSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_REF_XREG_U128(puDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_2(iemAImpl_movsldup, puDst, puSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(2, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);
        IEM_MC_ARG(PRTUINT128U,                 puDst, 0);
        IEM_MC_ARG_LOCAL_REF(PCRTUINT128U,      puSrc, uSrc, 1);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE3_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();

        IEM_MC_FETCH_MEM_U128_ALIGN_SSE(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_REF_XREG_U128(puDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_2(iemAImpl_movsldup, puDst, puSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/**
 * @opcode      0x12
 * @oppfx       0xf2
 * @opcpuid     sse3
 * @opgroup     og_sse3_pcksclr_datamove
 * @opxcpttype  5
 * @optest      op1=-1 op2=0xddddddddeeeeeeee2222222211111111 ->
 *              op1=0x22222222111111112222222211111111
 */
FNIEMOP_DEF(iemOp_movddup_Vdq_Wdq)
{
    IEMOP_MNEMONIC2(RM, MOVDDUP, movddup, Vdq, Wdq, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(PRTUINT128U,                 puDst, 0);
        IEM_MC_ARG(uint64_t,                    uSrc, 1);

        IEM_MC_MAYBE_RAISE_SSE3_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();

        IEM_MC_FETCH_XREG_U64(uSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_REF_XREG_U128(puDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_2(iemAImpl_movddup, puDst, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(2, 2);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);
        IEM_MC_ARG(PRTUINT128U,                 puDst, 0);
        IEM_MC_ARG(uint64_t,                    uSrc, 1);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE3_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();

        IEM_MC_FETCH_MEM_U64(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_REF_XREG_U128(puDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_2(iemAImpl_movddup, puDst, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode      0x0f 0x13 - vmovlps Mq, Vq */
FNIEMOP_STUB(iemOp_movlps_Mq_Vq);

/** Opcode 0x66 0x0f 0x13 - vmovlpd Mq, Vq */
FNIEMOP_DEF(iemOp_movlpd_Mq_Vq)
{
    IEMOP_MNEMONIC(movlpd_Mq_Vq, "movlpd Mq,Vq");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
#if 0
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_FETCH_XREG_U64(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_XREG_U64((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, uSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
#else
        return IEMOP_RAISE_INVALID_OPCODE();
#endif
    }
    else
    {
        /*
         * Memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U64(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U64(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/*  Opcode 0xf3 0x0f 0x13 - invalid */
/*  Opcode 0xf2 0x0f 0x13 - invalid */

/** Opcode      0x0f 0x14 - unpcklps Vx, Wx*/
FNIEMOP_STUB(iemOp_unpcklps_Vx_Wx);
/** Opcode 0x66 0x0f 0x14 - unpcklpd Vx, Wx   */
FNIEMOP_STUB(iemOp_unpcklpd_Vx_Wx);
/*  Opcode 0xf3 0x0f 0x14 - invalid */
/*  Opcode 0xf2 0x0f 0x14 - invalid */
/** Opcode      0x0f 0x15 - unpckhps Vx, Wx   */
FNIEMOP_STUB(iemOp_unpckhps_Vx_Wx);
/** Opcode 0x66 0x0f 0x15 - unpckhpd Vx, Wx   */
FNIEMOP_STUB(iemOp_unpckhpd_Vx_Wx);
/*  Opcode 0xf3 0x0f 0x15 - invalid */
/*  Opcode 0xf2 0x0f 0x15 - invalid */
/** Opcode      0x0f 0x16 - movhpsv1 Vdq, Mq movlhps Vdq, Uq   */
FNIEMOP_STUB(iemOp_movhpsv1_Vdq_Mq__movlhps_Vdq_Uq);  //NEXT
/** Opcode 0x66 0x0f 0x16 - movhpdv1 Vdq, Mq   */
FNIEMOP_STUB(iemOp_movhpdv1_Vdq_Mq);  //NEXT
/** Opcode 0xf3 0x0f 0x16 - movshdup Vx, Wx   */
FNIEMOP_STUB(iemOp_movshdup_Vx_Wx); //NEXT
/*  Opcode 0xf2 0x0f 0x16 - invalid */
/** Opcode      0x0f 0x17 - movhpsv1 Mq, Vq   */
FNIEMOP_STUB(iemOp_movhpsv1_Mq_Vq);  //NEXT
/** Opcode 0x66 0x0f 0x17 - movhpdv1 Mq, Vq   */
FNIEMOP_STUB(iemOp_movhpdv1_Mq_Vq);  //NEXT
/*  Opcode 0xf3 0x0f 0x17 - invalid */
/*  Opcode 0xf2 0x0f 0x17 - invalid */


/** Opcode 0x0f 0x18. */
FNIEMOP_DEF(iemOp_prefetch_Grp16)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
    {
        switch ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK)
        {
            case 4: /* Aliased to /0 for the time being according to AMD. */
            case 5: /* Aliased to /0 for the time being according to AMD. */
            case 6: /* Aliased to /0 for the time being according to AMD. */
            case 7: /* Aliased to /0 for the time being according to AMD. */
            case 0: IEMOP_MNEMONIC(prefetchNTA, "prefetchNTA m8"); break;
            case 1: IEMOP_MNEMONIC(prefetchT0, "prefetchT0  m8"); break;
            case 2: IEMOP_MNEMONIC(prefetchT1, "prefetchT1  m8"); break;
            case 3: IEMOP_MNEMONIC(prefetchT2, "prefetchT2  m8"); break;
            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }

        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR,  GCPtrEffSrc);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        /* Currently a NOP. */
        NOREF(GCPtrEffSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
        return VINF_SUCCESS;
    }

    return IEMOP_RAISE_INVALID_OPCODE();
}


/** Opcode 0x0f 0x19..0x1f. */
FNIEMOP_DEF(iemOp_nop_Ev)
{
    IEMOP_MNEMONIC(nop_Ev, "nop Ev");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffSrc);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        /* Currently a NOP. */
        NOREF(GCPtrEffSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x20. */
FNIEMOP_DEF(iemOp_mov_Rd_Cd)
{
    /* mod is ignored, as is operand size overrides. */
    IEMOP_MNEMONIC(mov_Rd_Cd, "mov Rd,Cd");
    IEMOP_HLP_MIN_386();
    if (pVCpu->iem.s.enmCpuMode == IEMMODE_64BIT)
        pVCpu->iem.s.enmEffOpSize = pVCpu->iem.s.enmDefOpSize = IEMMODE_64BIT;
    else
        pVCpu->iem.s.enmEffOpSize = pVCpu->iem.s.enmDefOpSize = IEMMODE_32BIT;

    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    uint8_t iCrReg = ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg;
    if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK)
    {
        /* The lock prefix can be used to encode CR8 accesses on some CPUs. */
        if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fMovCr8In32Bit)
            return IEMOP_RAISE_INVALID_OPCODE(); /* #UD takes precedence over #GP(), see test. */
        iCrReg |= 8;
    }
    switch (iCrReg)
    {
        case 0: case 2: case 3: case 4: case 8:
            break;
        default:
            return IEMOP_RAISE_INVALID_OPCODE();
    }
    IEMOP_HLP_DONE_DECODING();

    return IEM_MC_DEFER_TO_CIMPL_2(iemCImpl_mov_Rd_Cd, (X86_MODRM_RM_MASK & bRm) | pVCpu->iem.s.uRexB, iCrReg);
}


/** Opcode 0x0f 0x21. */
FNIEMOP_DEF(iemOp_mov_Rd_Dd)
{
    IEMOP_MNEMONIC(mov_Rd_Dd, "mov Rd,Dd");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_REX_R)
        return IEMOP_RAISE_INVALID_OPCODE();
    return IEM_MC_DEFER_TO_CIMPL_2(iemCImpl_mov_Rd_Dd,
                                   (X86_MODRM_RM_MASK & bRm) | pVCpu->iem.s.uRexB,
                                   ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK));
}


/** Opcode 0x0f 0x22. */
FNIEMOP_DEF(iemOp_mov_Cd_Rd)
{
    /* mod is ignored, as is operand size overrides. */
    IEMOP_MNEMONIC(mov_Cd_Rd, "mov Cd,Rd");
    IEMOP_HLP_MIN_386();
    if (pVCpu->iem.s.enmCpuMode == IEMMODE_64BIT)
        pVCpu->iem.s.enmEffOpSize = pVCpu->iem.s.enmDefOpSize = IEMMODE_64BIT;
    else
        pVCpu->iem.s.enmEffOpSize = pVCpu->iem.s.enmDefOpSize = IEMMODE_32BIT;

    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    uint8_t iCrReg = ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg;
    if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK)
    {
        /* The lock prefix can be used to encode CR8 accesses on some CPUs. */
        if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fMovCr8In32Bit)
            return IEMOP_RAISE_INVALID_OPCODE(); /* #UD takes precedence over #GP(), see test. */
        iCrReg |= 8;
    }
    switch (iCrReg)
    {
        case 0: case 2: case 3: case 4: case 8:
            break;
        default:
            return IEMOP_RAISE_INVALID_OPCODE();
    }
    IEMOP_HLP_DONE_DECODING();

    return IEM_MC_DEFER_TO_CIMPL_2(iemCImpl_mov_Cd_Rd, iCrReg, (X86_MODRM_RM_MASK & bRm) | pVCpu->iem.s.uRexB);
}


/** Opcode 0x0f 0x23. */
FNIEMOP_DEF(iemOp_mov_Dd_Rd)
{
    IEMOP_MNEMONIC(mov_Dd_Rd, "mov Dd,Rd");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_REX_R)
        return IEMOP_RAISE_INVALID_OPCODE();
    return IEM_MC_DEFER_TO_CIMPL_2(iemCImpl_mov_Dd_Rd,
                                   ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK),
                                   (X86_MODRM_RM_MASK & bRm) | pVCpu->iem.s.uRexB);
}


/** Opcode 0x0f 0x24. */
FNIEMOP_DEF(iemOp_mov_Rd_Td)
{
    IEMOP_MNEMONIC(mov_Rd_Td, "mov Rd,Td");
    /** @todo works on 386 and 486. */
    /* The RM byte is not considered, see testcase. */
    return IEMOP_RAISE_INVALID_OPCODE();
}


/** Opcode 0x0f 0x26. */
FNIEMOP_DEF(iemOp_mov_Td_Rd)
{
    IEMOP_MNEMONIC(mov_Td_Rd, "mov Td,Rd");
    /** @todo works on 386 and 486. */
    /* The RM byte is not considered, see testcase. */
    return IEMOP_RAISE_INVALID_OPCODE();
}


/** Opcode      0x0f 0x28 - movaps Vps, Wps */
FNIEMOP_DEF(iemOp_movaps_Vps_Wps)
{
    IEMOP_MNEMONIC(movaps_r_mr, "movaps r,mr");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg,
                              (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc); /** @todo optimize this one day... */
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();

        IEM_MC_FETCH_MEM_U128_ALIGN_SSE(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_STORE_XREG_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0x66 0x0f 0x28 - movapd Vpd, Wpd */
FNIEMOP_DEF(iemOp_movapd_Vpd_Wpd)
{
    IEMOP_MNEMONIC(movapd_r_mr, "movapd r,mr");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg,
                              (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc); /** @todo optimize this one day... */
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();

        IEM_MC_FETCH_MEM_U128_ALIGN_SSE(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_STORE_XREG_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/*  Opcode 0xf3 0x0f 0x28 - invalid */
/*  Opcode 0xf2 0x0f 0x28 - invalid */

/** Opcode      0x0f 0x29 - movaps Wps, Vps */
FNIEMOP_DEF(iemOp_movaps_Wps_Vps)
{
    IEMOP_MNEMONIC(movaps_mr_r, "movaps Wps,Vps");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB,
                              ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc); /** @todo optimize this one day... */
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U128(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U128_ALIGN_SSE(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0x66 0x0f 0x29 - movapd Wpd,Vpd */
FNIEMOP_DEF(iemOp_movapd_Wpd_Vpd)
{
    IEMOP_MNEMONIC(movapd_mr_r, "movapd Wpd,Vpd");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB,
                              ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc); /** @todo optimize this one day... */
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U128(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U128_ALIGN_SSE(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/*  Opcode 0xf3 0x0f 0x29 - invalid */
/*  Opcode 0xf2 0x0f 0x29 - invalid */


/** Opcode      0x0f 0x2a - cvtpi2ps Vps, Qpi */
FNIEMOP_STUB(iemOp_cvtpi2ps_Vps_Qpi); //NEXT
/** Opcode 0x66 0x0f 0x2a - cvtpi2pd Vpd, Qpi */
FNIEMOP_STUB(iemOp_cvtpi2pd_Vpd_Qpi); //NEXT
/** Opcode 0xf3 0x0f 0x2a - vcvtsi2ss Vss, Hss, Ey */
FNIEMOP_STUB(iemOp_cvtsi2ss_Vss_Ey); //NEXT
/** Opcode 0xf2 0x0f 0x2a - vcvtsi2sd Vsd, Hsd, Ey */
FNIEMOP_STUB(iemOp_cvtsi2sd_Vsd_Ey); //NEXT


/** Opcode      0x0f 0x2b - vmovntps Mps, Vps */
FNIEMOP_DEF(iemOp_movntps_Mps_Vps)
{
    IEMOP_MNEMONIC(movntps_mr_r, "movntps Mps,Vps");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc); /** @todo optimize this one day... */
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();

        IEM_MC_FETCH_XREG_U128(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U128_ALIGN_SSE(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    /* The register, register encoding is invalid. */
    else
        return IEMOP_RAISE_INVALID_OPCODE();
    return VINF_SUCCESS;
}

/** Opcode 0x66 0x0f 0x2b - movntpd Mpd, Vpd */
FNIEMOP_DEF(iemOp_movntpd_Mpd_Vpd)
{
    IEMOP_MNEMONIC(movntpd_mr_r, "movntpd Mdq,Vpd");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc); /** @todo optimize this one day... */
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();

        IEM_MC_FETCH_XREG_U128(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U128_ALIGN_SSE(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    /* The register, register encoding is invalid. */
    else
        return IEMOP_RAISE_INVALID_OPCODE();
    return VINF_SUCCESS;
}
/*  Opcode 0xf3 0x0f 0x2b - invalid */
/*  Opcode 0xf2 0x0f 0x2b - invalid */


/** Opcode      0x0f 0x2c - cvttps2pi Ppi, Wps */
FNIEMOP_STUB(iemOp_cvttps2pi_Ppi_Wps);
/** Opcode 0x66 0x0f 0x2c - cvttpd2pi Ppi, Wpd */
FNIEMOP_STUB(iemOp_cvttpd2pi_Ppi_Wpd);
/** Opcode 0xf3 0x0f 0x2c - cvttss2si Gy, Wss */
FNIEMOP_STUB(iemOp_cvttss2si_Gy_Wss);
/** Opcode 0xf2 0x0f 0x2c - cvttsd2si Gy, Wsd */
FNIEMOP_STUB(iemOp_cvttsd2si_Gy_Wsd);

/** Opcode      0x0f 0x2d - cvtps2pi Ppi, Wps */
FNIEMOP_STUB(iemOp_cvtps2pi_Ppi_Wps);
/** Opcode 0x66 0x0f 0x2d - cvtpd2pi Qpi, Wpd */
FNIEMOP_STUB(iemOp_cvtpd2pi_Qpi_Wpd);
/** Opcode 0xf3 0x0f 0x2d - cvtss2si Gy, Wss */
FNIEMOP_STUB(iemOp_cvtss2si_Gy_Wss);
/** Opcode 0xf2 0x0f 0x2d - cvtsd2si Gy, Wsd */
FNIEMOP_STUB(iemOp_cvtsd2si_Gy_Wsd);

/** Opcode      0x0f 0x2e - ucomiss Vss, Wss */
FNIEMOP_STUB(iemOp_ucomiss_Vss_Wss); // NEXT
/** Opcode 0x66 0x0f 0x2e - ucomisd Vsd, Wsd */
FNIEMOP_STUB(iemOp_ucomisd_Vsd_Wsd); // NEXT
/*  Opcode 0xf3 0x0f 0x2e - invalid */
/*  Opcode 0xf2 0x0f 0x2e - invalid */

/** Opcode      0x0f 0x2f - comiss Vss, Wss */
FNIEMOP_STUB(iemOp_comiss_Vss_Wss);
/** Opcode 0x66 0x0f 0x2f - comisd Vsd, Wsd */
FNIEMOP_STUB(iemOp_comisd_Vsd_Wsd);
/*  Opcode 0xf3 0x0f 0x2f - invalid */
/*  Opcode 0xf2 0x0f 0x2f - invalid */

/** Opcode 0x0f 0x30. */
FNIEMOP_DEF(iemOp_wrmsr)
{
    IEMOP_MNEMONIC(wrmsr, "wrmsr");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_wrmsr);
}


/** Opcode 0x0f 0x31. */
FNIEMOP_DEF(iemOp_rdtsc)
{
    IEMOP_MNEMONIC(rdtsc, "rdtsc");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_rdtsc);
}


/** Opcode 0x0f 0x33. */
FNIEMOP_DEF(iemOp_rdmsr)
{
    IEMOP_MNEMONIC(rdmsr, "rdmsr");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_rdmsr);
}


/** Opcode 0x0f 0x34. */
FNIEMOP_DEF(iemOp_rdpmc)
{
    IEMOP_MNEMONIC(rdpmc, "rdpmc");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_rdpmc);
}


/** Opcode 0x0f 0x34. */
FNIEMOP_STUB(iemOp_sysenter);
/** Opcode 0x0f 0x35. */
FNIEMOP_STUB(iemOp_sysexit);
/** Opcode 0x0f 0x37. */
FNIEMOP_STUB(iemOp_getsec);


/** Opcode 0x0f 0x38. */
FNIEMOP_DEF(iemOp_3byte_Esc_0f_38)
{
#ifdef IEM_WITH_THREE_0F_38
    uint8_t b; IEM_OPCODE_GET_NEXT_U8(&b);
    return FNIEMOP_CALL(g_apfnThreeByte0f38[(uintptr_t)b * 4 + pVCpu->iem.s.idxPrefix]);
#else
    IEMOP_BITCH_ABOUT_STUB();
    return VERR_IEM_INSTR_NOT_IMPLEMENTED;
#endif
}


/** Opcode 0x0f 0x3a. */
FNIEMOP_DEF(iemOp_3byte_Esc_0f_3a)
{
#ifdef IEM_WITH_THREE_0F_3A
    uint8_t b; IEM_OPCODE_GET_NEXT_U8(&b);
    return FNIEMOP_CALL(g_apfnThreeByte0f3a[(uintptr_t)b * 4 + pVCpu->iem.s.idxPrefix]);
#else
    IEMOP_BITCH_ABOUT_STUB();
    return VERR_IEM_INSTR_NOT_IMPLEMENTED;
#endif
}


/**
 * Implements a conditional move.
 *
 * Wish there was an obvious way to do this where we could share and reduce
 * code bloat.
 *
 * @param   a_Cnd       The conditional "microcode" operation.
 */
#define CMOV_X(a_Cnd) \
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm); \
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT)) \
    { \
        switch (pVCpu->iem.s.enmEffOpSize) \
        { \
            case IEMMODE_16BIT: \
                IEM_MC_BEGIN(0, 1); \
                IEM_MC_LOCAL(uint16_t, u16Tmp); \
                a_Cnd { \
                    IEM_MC_FETCH_GREG_U16(u16Tmp, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB); \
                    IEM_MC_STORE_GREG_U16(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u16Tmp); \
                } IEM_MC_ENDIF(); \
                IEM_MC_ADVANCE_RIP(); \
                IEM_MC_END(); \
                return VINF_SUCCESS; \
    \
            case IEMMODE_32BIT: \
                IEM_MC_BEGIN(0, 1); \
                IEM_MC_LOCAL(uint32_t, u32Tmp); \
                a_Cnd { \
                    IEM_MC_FETCH_GREG_U32(u32Tmp, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB); \
                    IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Tmp); \
                } IEM_MC_ELSE() { \
                    IEM_MC_CLEAR_HIGH_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg); \
                } IEM_MC_ENDIF(); \
                IEM_MC_ADVANCE_RIP(); \
                IEM_MC_END(); \
                return VINF_SUCCESS; \
    \
            case IEMMODE_64BIT: \
                IEM_MC_BEGIN(0, 1); \
                IEM_MC_LOCAL(uint64_t, u64Tmp); \
                a_Cnd { \
                    IEM_MC_FETCH_GREG_U64(u64Tmp, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB); \
                    IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Tmp); \
                } IEM_MC_ENDIF(); \
                IEM_MC_ADVANCE_RIP(); \
                IEM_MC_END(); \
                return VINF_SUCCESS; \
    \
            IEM_NOT_REACHED_DEFAULT_CASE_RET(); \
        } \
    } \
    else \
    { \
        switch (pVCpu->iem.s.enmEffOpSize) \
        { \
            case IEMMODE_16BIT: \
                IEM_MC_BEGIN(0, 2); \
                IEM_MC_LOCAL(RTGCPTR,  GCPtrEffSrc); \
                IEM_MC_LOCAL(uint16_t, u16Tmp); \
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0); \
                IEM_MC_FETCH_MEM_U16(u16Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc); \
                a_Cnd { \
                    IEM_MC_STORE_GREG_U16(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u16Tmp); \
                } IEM_MC_ENDIF(); \
                IEM_MC_ADVANCE_RIP(); \
                IEM_MC_END(); \
                return VINF_SUCCESS; \
    \
            case IEMMODE_32BIT: \
                IEM_MC_BEGIN(0, 2); \
                IEM_MC_LOCAL(RTGCPTR,  GCPtrEffSrc); \
                IEM_MC_LOCAL(uint32_t, u32Tmp); \
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0); \
                IEM_MC_FETCH_MEM_U32(u32Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc); \
                a_Cnd { \
                    IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Tmp); \
                } IEM_MC_ELSE() { \
                    IEM_MC_CLEAR_HIGH_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg); \
                } IEM_MC_ENDIF(); \
                IEM_MC_ADVANCE_RIP(); \
                IEM_MC_END(); \
                return VINF_SUCCESS; \
    \
            case IEMMODE_64BIT: \
                IEM_MC_BEGIN(0, 2); \
                IEM_MC_LOCAL(RTGCPTR,  GCPtrEffSrc); \
                IEM_MC_LOCAL(uint64_t, u64Tmp); \
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0); \
                IEM_MC_FETCH_MEM_U64(u64Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc); \
                a_Cnd { \
                    IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Tmp); \
                } IEM_MC_ENDIF(); \
                IEM_MC_ADVANCE_RIP(); \
                IEM_MC_END(); \
                return VINF_SUCCESS; \
    \
            IEM_NOT_REACHED_DEFAULT_CASE_RET(); \
        } \
    } do {} while (0)



/** Opcode 0x0f 0x40. */
FNIEMOP_DEF(iemOp_cmovo_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovo_Gv_Ev, "cmovo Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_SET(X86_EFL_OF));
}


/** Opcode 0x0f 0x41. */
FNIEMOP_DEF(iemOp_cmovno_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovno_Gv_Ev, "cmovno Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_NOT_SET(X86_EFL_OF));
}


/** Opcode 0x0f 0x42. */
FNIEMOP_DEF(iemOp_cmovc_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovc_Gv_Ev, "cmovc Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_SET(X86_EFL_CF));
}


/** Opcode 0x0f 0x43. */
FNIEMOP_DEF(iemOp_cmovnc_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovnc_Gv_Ev, "cmovnc Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_NOT_SET(X86_EFL_CF));
}


/** Opcode 0x0f 0x44. */
FNIEMOP_DEF(iemOp_cmove_Gv_Ev)
{
    IEMOP_MNEMONIC(cmove_Gv_Ev, "cmove Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_SET(X86_EFL_ZF));
}


/** Opcode 0x0f 0x45. */
FNIEMOP_DEF(iemOp_cmovne_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovne_Gv_Ev, "cmovne Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_NOT_SET(X86_EFL_ZF));
}


/** Opcode 0x0f 0x46. */
FNIEMOP_DEF(iemOp_cmovbe_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovbe_Gv_Ev, "cmovbe Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_ANY_BITS_SET(X86_EFL_CF | X86_EFL_ZF));
}


/** Opcode 0x0f 0x47. */
FNIEMOP_DEF(iemOp_cmovnbe_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovnbe_Gv_Ev, "cmovnbe Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_NO_BITS_SET(X86_EFL_CF | X86_EFL_ZF));
}


/** Opcode 0x0f 0x48. */
FNIEMOP_DEF(iemOp_cmovs_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovs_Gv_Ev, "cmovs Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_SET(X86_EFL_SF));
}


/** Opcode 0x0f 0x49. */
FNIEMOP_DEF(iemOp_cmovns_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovns_Gv_Ev, "cmovns Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_NOT_SET(X86_EFL_SF));
}


/** Opcode 0x0f 0x4a. */
FNIEMOP_DEF(iemOp_cmovp_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovp_Gv_Ev, "cmovp Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_SET(X86_EFL_PF));
}


/** Opcode 0x0f 0x4b. */
FNIEMOP_DEF(iemOp_cmovnp_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovnp_Gv_Ev, "cmovnp Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_NOT_SET(X86_EFL_PF));
}


/** Opcode 0x0f 0x4c. */
FNIEMOP_DEF(iemOp_cmovl_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovl_Gv_Ev, "cmovl Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BITS_NE(X86_EFL_SF, X86_EFL_OF));
}


/** Opcode 0x0f 0x4d. */
FNIEMOP_DEF(iemOp_cmovnl_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovnl_Gv_Ev, "cmovnl Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BITS_EQ(X86_EFL_SF, X86_EFL_OF));
}


/** Opcode 0x0f 0x4e. */
FNIEMOP_DEF(iemOp_cmovle_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovle_Gv_Ev, "cmovle Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_SET_OR_BITS_NE(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF));
}


/** Opcode 0x0f 0x4f. */
FNIEMOP_DEF(iemOp_cmovnle_Gv_Ev)
{
    IEMOP_MNEMONIC(cmovnle_Gv_Ev, "cmovnle Gv,Ev");
    CMOV_X(IEM_MC_IF_EFL_BIT_NOT_SET_AND_BITS_EQ(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF));
}

#undef CMOV_X

/** Opcode      0x0f 0x50 - movmskps Gy, Ups */
FNIEMOP_STUB(iemOp_movmskps_Gy_Ups);
/** Opcode 0x66 0x0f 0x50 - movmskpd Gy, Upd */
FNIEMOP_STUB(iemOp_movmskpd_Gy_Upd);
/*  Opcode 0xf3 0x0f 0x50 - invalid */
/*  Opcode 0xf2 0x0f 0x50 - invalid */

/** Opcode      0x0f 0x51 - sqrtps Vps, Wps */
FNIEMOP_STUB(iemOp_sqrtps_Vps_Wps);
/** Opcode 0x66 0x0f 0x51 - sqrtpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_sqrtpd_Vpd_Wpd);
/** Opcode 0xf3 0x0f 0x51 - sqrtss Vss, Wss */
FNIEMOP_STUB(iemOp_sqrtss_Vss_Wss);
/** Opcode 0xf2 0x0f 0x51 - sqrtsd Vsd, Wsd */
FNIEMOP_STUB(iemOp_sqrtsd_Vsd_Wsd);

/** Opcode      0x0f 0x52 - rsqrtps Vps, Wps */
FNIEMOP_STUB(iemOp_rsqrtps_Vps_Wps);
/*  Opcode 0x66 0x0f 0x52 - invalid */
/** Opcode 0xf3 0x0f 0x52 - rsqrtss Vss, Wss */
FNIEMOP_STUB(iemOp_rsqrtss_Vss_Wss);
/*  Opcode 0xf2 0x0f 0x52 - invalid */

/** Opcode      0x0f 0x53 - rcpps Vps, Wps */
FNIEMOP_STUB(iemOp_rcpps_Vps_Wps);
/*  Opcode 0x66 0x0f 0x53 - invalid */
/** Opcode 0xf3 0x0f 0x53 - rcpss Vss, Wss */
FNIEMOP_STUB(iemOp_rcpss_Vss_Wss);
/*  Opcode 0xf2 0x0f 0x53 - invalid */

/** Opcode      0x0f 0x54 - andps Vps, Wps */
FNIEMOP_STUB(iemOp_andps_Vps_Wps);
/** Opcode 0x66 0x0f 0x54 - andpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_andpd_Vpd_Wpd);
/*  Opcode 0xf3 0x0f 0x54 - invalid */
/*  Opcode 0xf2 0x0f 0x54 - invalid */

/** Opcode      0x0f 0x55 - andnps Vps, Wps */
FNIEMOP_STUB(iemOp_andnps_Vps_Wps);
/** Opcode 0x66 0x0f 0x55 - andnpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_andnpd_Vpd_Wpd);
/*  Opcode 0xf3 0x0f 0x55 - invalid */
/*  Opcode 0xf2 0x0f 0x55 - invalid */

/** Opcode      0x0f 0x56 - orps Vps, Wps */
FNIEMOP_STUB(iemOp_orps_Vps_Wps);
/** Opcode 0x66 0x0f 0x56 - orpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_orpd_Vpd_Wpd);
/*  Opcode 0xf3 0x0f 0x56 - invalid */
/*  Opcode 0xf2 0x0f 0x56 - invalid */

/** Opcode      0x0f 0x57 - xorps Vps, Wps */
FNIEMOP_STUB(iemOp_xorps_Vps_Wps);
/** Opcode 0x66 0x0f 0x57 - xorpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_xorpd_Vpd_Wpd);
/*  Opcode 0xf3 0x0f 0x57 - invalid */
/*  Opcode 0xf2 0x0f 0x57 - invalid */

/** Opcode      0x0f 0x58 - addps Vps, Wps */
FNIEMOP_STUB(iemOp_addps_Vps_Wps);
/** Opcode 0x66 0x0f 0x58 - addpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_addpd_Vpd_Wpd);
/** Opcode 0xf3 0x0f 0x58 - addss Vss, Wss */
FNIEMOP_STUB(iemOp_addss_Vss_Wss);
/** Opcode 0xf2 0x0f 0x58 - addsd Vsd, Wsd */
FNIEMOP_STUB(iemOp_addsd_Vsd_Wsd);

/** Opcode      0x0f 0x59 - mulps Vps, Wps */
FNIEMOP_STUB(iemOp_mulps_Vps_Wps);
/** Opcode 0x66 0x0f 0x59 - mulpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_mulpd_Vpd_Wpd);
/** Opcode 0xf3 0x0f 0x59 - mulss Vss, Wss */
FNIEMOP_STUB(iemOp_mulss_Vss_Wss);
/** Opcode 0xf2 0x0f 0x59 - mulsd Vsd, Wsd */
FNIEMOP_STUB(iemOp_mulsd_Vsd_Wsd);

/** Opcode      0x0f 0x5a - cvtps2pd Vpd, Wps */
FNIEMOP_STUB(iemOp_cvtps2pd_Vpd_Wps);
/** Opcode 0x66 0x0f 0x5a - cvtpd2ps Vps, Wpd */
FNIEMOP_STUB(iemOp_cvtpd2ps_Vps_Wpd);
/** Opcode 0xf3 0x0f 0x5a - cvtss2sd Vsd, Wss */
FNIEMOP_STUB(iemOp_cvtss2sd_Vsd_Wss);
/** Opcode 0xf2 0x0f 0x5a - cvtsd2ss Vss, Wsd */
FNIEMOP_STUB(iemOp_cvtsd2ss_Vss_Wsd);

/** Opcode      0x0f 0x5b - cvtdq2ps Vps, Wdq */
FNIEMOP_STUB(iemOp_cvtdq2ps_Vps_Wdq);
/** Opcode 0x66 0x0f 0x5b - cvtps2dq Vdq, Wps */
FNIEMOP_STUB(iemOp_cvtps2dq_Vdq_Wps);
/** Opcode 0xf3 0x0f 0x5b - cvttps2dq Vdq, Wps */
FNIEMOP_STUB(iemOp_cvttps2dq_Vdq_Wps);
/*  Opcode 0xf2 0x0f 0x5b - invalid */

/** Opcode      0x0f 0x5c - subps Vps, Wps */
FNIEMOP_STUB(iemOp_subps_Vps_Wps);
/** Opcode 0x66 0x0f 0x5c - subpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_subpd_Vpd_Wpd);
/** Opcode 0xf3 0x0f 0x5c - subss Vss, Wss */
FNIEMOP_STUB(iemOp_subss_Vss_Wss);
/** Opcode 0xf2 0x0f 0x5c - subsd Vsd, Wsd */
FNIEMOP_STUB(iemOp_subsd_Vsd_Wsd);

/** Opcode      0x0f 0x5d - minps Vps, Wps */
FNIEMOP_STUB(iemOp_minps_Vps_Wps);
/** Opcode 0x66 0x0f 0x5d - minpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_minpd_Vpd_Wpd);
/** Opcode 0xf3 0x0f 0x5d - minss Vss, Wss */
FNIEMOP_STUB(iemOp_minss_Vss_Wss);
/** Opcode 0xf2 0x0f 0x5d - minsd Vsd, Wsd */
FNIEMOP_STUB(iemOp_minsd_Vsd_Wsd);

/** Opcode      0x0f 0x5e - divps Vps, Wps */
FNIEMOP_STUB(iemOp_divps_Vps_Wps);
/** Opcode 0x66 0x0f 0x5e - divpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_divpd_Vpd_Wpd);
/** Opcode 0xf3 0x0f 0x5e - divss Vss, Wss */
FNIEMOP_STUB(iemOp_divss_Vss_Wss);
/** Opcode 0xf2 0x0f 0x5e - divsd Vsd, Wsd */
FNIEMOP_STUB(iemOp_divsd_Vsd_Wsd);

/** Opcode      0x0f 0x5f - maxps Vps, Wps */
FNIEMOP_STUB(iemOp_maxps_Vps_Wps);
/** Opcode 0x66 0x0f 0x5f - maxpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_maxpd_Vpd_Wpd);
/** Opcode 0xf3 0x0f 0x5f - maxss Vss, Wss */
FNIEMOP_STUB(iemOp_maxss_Vss_Wss);
/** Opcode 0xf2 0x0f 0x5f - maxsd Vsd, Wsd */
FNIEMOP_STUB(iemOp_maxsd_Vsd_Wsd);

/**
 * Common worker for MMX instructions on the forms:
 *      pxxxx mm1, mm2/mem32
 *
 * The 2nd operand is the first half of a register, which in the memory case
 * means a 32-bit memory access for MMX and 128-bit aligned 64-bit or 128-bit
 * memory accessed for MMX.
 *
 * Exceptions type 4.
 */
FNIEMOP_DEF_1(iemOpCommonMmx_LowLow_To_Full, PCIEMOPMEDIAF1L1, pImpl)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(PRTUINT128U,          pDst, 0);
        IEM_MC_ARG(uint64_t const *,     pSrc, 1);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_XREG_U64_CONST(pSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_SSE_AIMPL_2(pImpl->pfnU128, pDst, pSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(2, 2);
        IEM_MC_ARG(PRTUINT128U,                 pDst,       0);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_ARG_LOCAL_REF(uint64_t const *,  pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_FETCH_MEM_U64_ALIGN_U128(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);

        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_2(pImpl->pfnU128, pDst, pSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/**
 * Common worker for SSE2 instructions on the forms:
 *      pxxxx xmm1, xmm2/mem128
 *
 * The 2nd operand is the first half of a register, which in the memory case
 * means a 32-bit memory access for MMX and 128-bit aligned 64-bit or 128-bit
 * memory accessed for MMX.
 *
 * Exceptions type 4.
 */
FNIEMOP_DEF_1(iemOpCommonSse_LowLow_To_Full, PCIEMOPMEDIAF1L1, pImpl)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if (!pImpl->pfnU64)
        return IEMOP_RAISE_INVALID_OPCODE();
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        /** @todo testcase: REX.B / REX.R and MMX register indexing. Ignored? */
        /** @todo testcase: REX.B / REX.R and segment register indexing. Ignored? */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(uint64_t *,          pDst, 0);
        IEM_MC_ARG(uint32_t const *,    pSrc, 1);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_PREPARE_FPU_USAGE();
        IEM_MC_REF_MREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_REF_MREG_U32_CONST(pSrc, bRm & X86_MODRM_RM_MASK);
        IEM_MC_CALL_MMX_AIMPL_2(pImpl->pfnU64, pDst, pSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(2, 2);
        IEM_MC_ARG(uint64_t *,                  pDst,       0);
        IEM_MC_LOCAL(uint32_t,                  uSrc);
        IEM_MC_ARG_LOCAL_REF(uint32_t const *,  pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_FETCH_MEM_U32(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);

        IEM_MC_PREPARE_FPU_USAGE();
        IEM_MC_REF_MREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_CALL_MMX_AIMPL_2(pImpl->pfnU64, pDst, pSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode      0x0f 0x60 - punpcklbw Pq, Qd */
FNIEMOP_DEF(iemOp_punpcklbw_Pq_Qd)
{
    IEMOP_MNEMONIC(punpcklbw, "punpcklbw Pq, Qd");
    return FNIEMOP_CALL_1(iemOpCommonMmx_LowLow_To_Full, &g_iemAImpl_punpcklbw);
}

/** Opcode 0x66 0x0f 0x60 - punpcklbw Vx, W */
FNIEMOP_DEF(iemOp_punpcklbw_Vx_Wx)
{
    IEMOP_MNEMONIC(vpunpcklbw_Vx_Wx, "vpunpcklbw Vx, Wx");
    return FNIEMOP_CALL_1(iemOpCommonSse_LowLow_To_Full, &g_iemAImpl_punpcklbw);
}

/*  Opcode 0xf3 0x0f 0x60 - invalid */


/** Opcode      0x0f 0x61 - punpcklwd Pq, Qd */
FNIEMOP_DEF(iemOp_punpcklwd_Pq_Qd)
{
    IEMOP_MNEMONIC(punpcklwd, "punpcklwd Pq, Qd"); /** @todo AMD mark the MMX version as 3DNow!. Intel says MMX CPUID req. */
    return FNIEMOP_CALL_1(iemOpCommonMmx_LowLow_To_Full, &g_iemAImpl_punpcklwd);
}

/** Opcode 0x66 0x0f 0x61 - punpcklwd Vx, Wx */
FNIEMOP_DEF(iemOp_punpcklwd_Vx_Wx)
{
    IEMOP_MNEMONIC(vpunpcklwd_Vx_Wx, "punpcklwd Vx, Wx");
    return FNIEMOP_CALL_1(iemOpCommonSse_LowLow_To_Full, &g_iemAImpl_punpcklwd);
}

/*  Opcode 0xf3 0x0f 0x61 - invalid */


/** Opcode      0x0f 0x62 - punpckldq Pq, Qd */
FNIEMOP_DEF(iemOp_punpckldq_Pq_Qd)
{
    IEMOP_MNEMONIC(punpckldq, "punpckldq Pq, Qd");
    return FNIEMOP_CALL_1(iemOpCommonMmx_LowLow_To_Full, &g_iemAImpl_punpckldq);
}

/** Opcode 0x66 0x0f 0x62 - punpckldq Vx, Wx */
FNIEMOP_DEF(iemOp_punpckldq_Vx_Wx)
{
    IEMOP_MNEMONIC(punpckldq_Vx_Wx, "punpckldq Vx, Wx");
    return FNIEMOP_CALL_1(iemOpCommonSse_LowLow_To_Full, &g_iemAImpl_punpckldq);
}

/*  Opcode 0xf3 0x0f 0x62 - invalid */



/** Opcode      0x0f 0x63 - packsswb Pq, Qq */
FNIEMOP_STUB(iemOp_packsswb_Pq_Qq);
/** Opcode 0x66 0x0f 0x63 - packsswb Vx, Wx */
FNIEMOP_STUB(iemOp_packsswb_Vx_Wx);
/*  Opcode 0xf3 0x0f 0x63 - invalid */

/** Opcode      0x0f 0x64 - pcmpgtb Pq, Qq */
FNIEMOP_STUB(iemOp_pcmpgtb_Pq_Qq);
/** Opcode 0x66 0x0f 0x64 - pcmpgtb Vx, Wx */
FNIEMOP_STUB(iemOp_pcmpgtb_Vx_Wx);
/*  Opcode 0xf3 0x0f 0x64 - invalid */

/** Opcode      0x0f 0x65 - pcmpgtw Pq, Qq */
FNIEMOP_STUB(iemOp_pcmpgtw_Pq_Qq);
/** Opcode 0x66 0x0f 0x65 - pcmpgtw Vx, Wx */
FNIEMOP_STUB(iemOp_pcmpgtw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0x65 - invalid */

/** Opcode      0x0f 0x66 - pcmpgtd Pq, Qq */
FNIEMOP_STUB(iemOp_pcmpgtd_Pq_Qq);
/** Opcode 0x66 0x0f 0x66 - pcmpgtd Vx, Wx */
FNIEMOP_STUB(iemOp_pcmpgtd_Vx_Wx);
/*  Opcode 0xf3 0x0f 0x66 - invalid */

/** Opcode      0x0f 0x67 - packuswb Pq, Qq */
FNIEMOP_STUB(iemOp_packuswb_Pq_Qq);
/** Opcode 0x66 0x0f 0x67 - packuswb Vx, W */
FNIEMOP_STUB(iemOp_packuswb_Vx_W);
/*  Opcode 0xf3 0x0f 0x67 - invalid */


/**
 * Common worker for MMX instructions on the form:
 *      pxxxx mm1, mm2/mem64
 *
 * The 2nd operand is the second half of a register, which in the memory case
 * means a 64-bit memory access for MMX, and for SSE a 128-bit aligned access
 * where it may read the full 128 bits or only the upper 64 bits.
 *
 * Exceptions type 4.
 */
FNIEMOP_DEF_1(iemOpCommonMmx_HighHigh_To_Full, PCIEMOPMEDIAF1H1, pImpl)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    AssertReturn(pImpl->pfnU64, IEMOP_RAISE_INVALID_OPCODE());
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        /** @todo testcase: REX.B / REX.R and MMX register indexing. Ignored? */
        /** @todo testcase: REX.B / REX.R and segment register indexing. Ignored? */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(uint64_t *,          pDst, 0);
        IEM_MC_ARG(uint64_t const *,    pSrc, 1);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_PREPARE_FPU_USAGE();
        IEM_MC_REF_MREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_REF_MREG_U64_CONST(pSrc, bRm & X86_MODRM_RM_MASK);
        IEM_MC_CALL_MMX_AIMPL_2(pImpl->pfnU64, pDst, pSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(2, 2);
        IEM_MC_ARG(uint64_t *,                  pDst,       0);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_ARG_LOCAL_REF(uint64_t const *,  pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_FETCH_MEM_U64(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);

        IEM_MC_PREPARE_FPU_USAGE();
        IEM_MC_REF_MREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_CALL_MMX_AIMPL_2(pImpl->pfnU64, pDst, pSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/**
 * Common worker for SSE2 instructions on the form:
 *      pxxxx xmm1, xmm2/mem128
 *
 * The 2nd operand is the second half of a register, which in the memory case
 * means a 64-bit memory access for MMX, and for SSE a 128-bit aligned access
 * where it may read the full 128 bits or only the upper 64 bits.
 *
 * Exceptions type 4.
 */
FNIEMOP_DEF_1(iemOpCommonSse_HighHigh_To_Full, PCIEMOPMEDIAF1H1, pImpl)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(PRTUINT128U,          pDst, 0);
        IEM_MC_ARG(PCRTUINT128U,         pSrc, 1);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_XREG_U128_CONST(pSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_SSE_AIMPL_2(pImpl->pfnU128, pDst, pSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(2, 2);
        IEM_MC_ARG(PRTUINT128U,                 pDst,       0);
        IEM_MC_LOCAL(RTUINT128U,                uSrc);
        IEM_MC_ARG_LOCAL_REF(PCRTUINT128U,      pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_FETCH_MEM_U128_ALIGN_SSE(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc); /* Most CPUs probably only right high qword */

        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_2(pImpl->pfnU128, pDst, pSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode      0x0f 0x68 - punpckhbw Pq, Qd */
FNIEMOP_DEF(iemOp_punpckhbw_Pq_Qd)
{
    IEMOP_MNEMONIC(punpckhbw, "punpckhbw Pq, Qd");
    return FNIEMOP_CALL_1(iemOpCommonMmx_HighHigh_To_Full, &g_iemAImpl_punpckhbw);
}

/** Opcode 0x66 0x0f 0x68 - punpckhbw Vx, Wx */
FNIEMOP_DEF(iemOp_punpckhbw_Vx_Wx)
{
    IEMOP_MNEMONIC(vpunpckhbw_Vx_Wx, "vpunpckhbw Vx, Wx");
    return FNIEMOP_CALL_1(iemOpCommonSse_HighHigh_To_Full, &g_iemAImpl_punpckhbw);
}
/*  Opcode 0xf3 0x0f 0x68 - invalid */


/** Opcode      0x0f 0x69 - punpckhwd Pq, Qd */
FNIEMOP_DEF(iemOp_punpckhwd_Pq_Qd)
{
    IEMOP_MNEMONIC(punpckhwd, "punpckhwd Pq, Qd");
    return FNIEMOP_CALL_1(iemOpCommonMmx_HighHigh_To_Full, &g_iemAImpl_punpckhwd);
}

/** Opcode 0x66 0x0f 0x69 - punpckhwd Vx, Hx, Wx */
FNIEMOP_DEF(iemOp_punpckhwd_Vx_Wx)
{
    IEMOP_MNEMONIC(punpckhwd_Vx_Wx, "punpckhwd Vx, Wx");
    return FNIEMOP_CALL_1(iemOpCommonSse_HighHigh_To_Full, &g_iemAImpl_punpckhwd);

}
/*  Opcode 0xf3 0x0f 0x69 - invalid */


/** Opcode      0x0f 0x6a - punpckhdq Pq, Qd */
FNIEMOP_DEF(iemOp_punpckhdq_Pq_Qd)
{
    IEMOP_MNEMONIC(punpckhdq, "punpckhdq Pq, Qd");
    return FNIEMOP_CALL_1(iemOpCommonMmx_HighHigh_To_Full, &g_iemAImpl_punpckhdq);
}

/** Opcode 0x66 0x0f 0x6a - punpckhdq Vx, W */
FNIEMOP_DEF(iemOp_punpckhdq_Vx_W)
{
    IEMOP_MNEMONIC(punpckhdq_Vx_W, "punpckhdq Vx, W");
    return FNIEMOP_CALL_1(iemOpCommonSse_HighHigh_To_Full, &g_iemAImpl_punpckhdq);
}
/*  Opcode 0xf3 0x0f 0x6a - invalid */


/** Opcode      0x0f 0x6b - packssdw Pq, Qd */
FNIEMOP_STUB(iemOp_packssdw_Pq_Qd);
/** Opcode 0x66 0x0f 0x6b - packssdw Vx, Wx */
FNIEMOP_STUB(iemOp_packssdw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0x6b - invalid */


/*  Opcode      0x0f 0x6c - invalid */

/** Opcode 0x66 0x0f 0x6c - punpcklqdq Vx, Wx */
FNIEMOP_DEF(iemOp_punpcklqdq_Vx_Wx)
{
    IEMOP_MNEMONIC(punpcklqdq, "punpcklqdq Vx, Wx");
    return FNIEMOP_CALL_1(iemOpCommonSse_LowLow_To_Full, &g_iemAImpl_punpcklqdq);
}

/*  Opcode 0xf3 0x0f 0x6c - invalid */
/*  Opcode 0xf2 0x0f 0x6c - invalid */


/*  Opcode      0x0f 0x6d - invalid */

/** Opcode 0x66 0x0f 0x6d - punpckhqdq Vx, W */
FNIEMOP_DEF(iemOp_punpckhqdq_Vx_W)
{
    IEMOP_MNEMONIC(punpckhqdq_Vx_W, "punpckhqdq Vx,W");
    return FNIEMOP_CALL_1(iemOpCommonSse_HighHigh_To_Full, &g_iemAImpl_punpckhqdq);
}

/*  Opcode 0xf3 0x0f 0x6d - invalid */


/** Opcode      0x0f 0x6e - movd/q Pd, Ey */
FNIEMOP_DEF(iemOp_movd_q_Pd_Ey)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        IEMOP_MNEMONIC(movq_Pq_Eq, "movq Pq,Eq");
    else
        IEMOP_MNEMONIC(movd_Pd_Ed, "movd Pd,Ed");
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* MMX, greg */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_ACTUALIZE_FPU_STATE_FOR_CHANGE();
        IEM_MC_LOCAL(uint64_t, u64Tmp);
        if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
            IEM_MC_FETCH_GREG_U64(u64Tmp, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        else
            IEM_MC_FETCH_GREG_U32_ZX_U64(u64Tmp, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_STORE_MREG_U64((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK, u64Tmp);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* MMX, [mem] */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffSrc);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 1);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_ACTUALIZE_FPU_STATE_FOR_CHANGE();
        if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        {
            IEM_MC_LOCAL(uint64_t, u64Tmp);
            IEM_MC_FETCH_MEM_U64(u64Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
            IEM_MC_STORE_MREG_U64((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK, u64Tmp);
        }
        else
        {
            IEM_MC_LOCAL(uint32_t, u32Tmp);
            IEM_MC_FETCH_MEM_U32(u32Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
            IEM_MC_STORE_MREG_U32_ZX_U64((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK, u32Tmp);
        }
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0x66 0x0f 0x6e - movd/q Vy, Ey */
FNIEMOP_DEF(iemOp_movd_q_Vy_Ey)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        IEMOP_MNEMONIC(movdq_Wq_Eq, "movq Wq,Eq");
    else
        IEMOP_MNEMONIC(movdq_Wd_Ed, "movd Wd,Ed");
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* XMM, greg*/
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        {
            IEM_MC_LOCAL(uint64_t, u64Tmp);
            IEM_MC_FETCH_GREG_U64(u64Tmp, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
            IEM_MC_STORE_XREG_U64_ZX_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Tmp);
        }
        else
        {
            IEM_MC_LOCAL(uint32_t, u32Tmp);
            IEM_MC_FETCH_GREG_U32(u32Tmp, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
            IEM_MC_STORE_XREG_U32_ZX_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Tmp);
        }
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* XMM, [mem] */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffSrc);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT(); /** @todo order */
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 1);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        {
            IEM_MC_LOCAL(uint64_t, u64Tmp);
            IEM_MC_FETCH_MEM_U64(u64Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
            IEM_MC_STORE_XREG_U64_ZX_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Tmp);
        }
        else
        {
            IEM_MC_LOCAL(uint32_t, u32Tmp);
            IEM_MC_FETCH_MEM_U32(u32Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
            IEM_MC_STORE_XREG_U32_ZX_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Tmp);
        }
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/*  Opcode 0xf3 0x0f 0x6e - invalid */


/** Opcode      0x0f 0x6f - movq Pq, Qq */
FNIEMOP_DEF(iemOp_movq_Pq_Qq)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_MNEMONIC(movq_Pq_Qq, "movq Pq,Qq");
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        /** @todo testcase: REX.B / REX.R and MMX register indexing. Ignored? */
        /** @todo testcase: REX.B / REX.R and segment register indexing. Ignored? */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(uint64_t, u64Tmp);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_ACTUALIZE_FPU_STATE_FOR_CHANGE();
        IEM_MC_FETCH_MREG_U64(u64Tmp, bRm & X86_MODRM_RM_MASK);
        IEM_MC_STORE_MREG_U64((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK, u64Tmp);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint64_t, u64Tmp);
        IEM_MC_LOCAL(RTGCPTR,  GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_ACTUALIZE_FPU_STATE_FOR_CHANGE();
        IEM_MC_FETCH_MEM_U64(u64Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_STORE_MREG_U64((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK, u64Tmp);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0x66 0x0f 0x6f - movdqa Vx, Wx */
FNIEMOP_DEF(iemOp_movdqa_Vx_Wx)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_MNEMONIC(movdqa_Vdq_Wdq, "movdqa Vdq,Wdq");
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg,
                              (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U, u128Tmp);
        IEM_MC_LOCAL(RTGCPTR,    GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_FETCH_MEM_U128_ALIGN_SSE(u128Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_STORE_XREG_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u128Tmp);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0xf3 0x0f 0x6f - movdqu Vx, Wx */
FNIEMOP_DEF(iemOp_movdqu_Vx_Wx)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_MNEMONIC(movdqu_Vdq_Wdq, "movdqu Vdq,Wdq");
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg,
                              (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U, u128Tmp);
        IEM_MC_LOCAL(RTGCPTR,    GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_FETCH_MEM_U128(u128Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_STORE_XREG_U128(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u128Tmp);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode      0x0f 0x70 - pshufw Pq, Qq, Ib */
FNIEMOP_DEF(iemOp_pshufw_Pq_Qq_Ib)
{
    IEMOP_MNEMONIC(pshufw_Pq_Qq, "pshufw Pq,Qq,Ib");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        uint8_t bEvil; IEM_OPCODE_GET_NEXT_U8(&bEvil);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(3, 0);
        IEM_MC_ARG(uint64_t *,          pDst, 0);
        IEM_MC_ARG(uint64_t const *,    pSrc, 1);
        IEM_MC_ARG_CONST(uint8_t,       bEvilArg, /*=*/ bEvil, 2);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT_CHECK_SSE_OR_MMXEXT();
        IEM_MC_PREPARE_FPU_USAGE();
        IEM_MC_REF_MREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_REF_MREG_U64_CONST(pSrc, bRm & X86_MODRM_RM_MASK);
        IEM_MC_CALL_MMX_AIMPL_3(iemAImpl_pshufw, pDst, pSrc, bEvilArg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(3, 2);
        IEM_MC_ARG(uint64_t *,                  pDst,       0);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_ARG_LOCAL_REF(uint64_t const *,  pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        uint8_t bEvil; IEM_OPCODE_GET_NEXT_U8(&bEvil);
        IEM_MC_ARG_CONST(uint8_t,               bEvilArg, /*=*/ bEvil, 2);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT_CHECK_SSE_OR_MMXEXT();

        IEM_MC_FETCH_MEM_U64(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_PREPARE_FPU_USAGE();
        IEM_MC_REF_MREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_CALL_MMX_AIMPL_3(iemAImpl_pshufw, pDst, pSrc, bEvilArg);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0x66 0x0f 0x70 - pshufd Vx, Wx, Ib */
FNIEMOP_DEF(iemOp_pshufd_Vx_Wx_Ib)
{
    IEMOP_MNEMONIC(pshufd_Vx_Wx_Ib, "pshufd Vx,Wx,Ib");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        uint8_t bEvil; IEM_OPCODE_GET_NEXT_U8(&bEvil);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(3, 0);
        IEM_MC_ARG(PRTUINT128U,         pDst, 0);
        IEM_MC_ARG(PCRTUINT128U,        pSrc, 1);
        IEM_MC_ARG_CONST(uint8_t,       bEvilArg, /*=*/ bEvil, 2);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_XREG_U128_CONST(pSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_SSE_AIMPL_3(iemAImpl_pshufd, pDst, pSrc, bEvilArg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(3, 2);
        IEM_MC_ARG(PRTUINT128U,                 pDst,       0);
        IEM_MC_LOCAL(RTUINT128U,                uSrc);
        IEM_MC_ARG_LOCAL_REF(PCRTUINT128U,      pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        uint8_t bEvil; IEM_OPCODE_GET_NEXT_U8(&bEvil);
        IEM_MC_ARG_CONST(uint8_t,               bEvilArg, /*=*/ bEvil, 2);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();

        IEM_MC_FETCH_MEM_U128_ALIGN_SSE(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_3(iemAImpl_pshufd, pDst, pSrc, bEvilArg);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0xf3 0x0f 0x70 - pshufhw Vx, Wx, Ib */
FNIEMOP_DEF(iemOp_pshufhw_Vx_Wx_Ib)
{
    IEMOP_MNEMONIC(pshufhw_Vx_Wx_Ib, "pshufhw Vx,Wx,Ib");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        uint8_t bEvil; IEM_OPCODE_GET_NEXT_U8(&bEvil);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(3, 0);
        IEM_MC_ARG(PRTUINT128U,         pDst, 0);
        IEM_MC_ARG(PCRTUINT128U,        pSrc, 1);
        IEM_MC_ARG_CONST(uint8_t,       bEvilArg, /*=*/ bEvil, 2);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_XREG_U128_CONST(pSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_SSE_AIMPL_3(iemAImpl_pshufhw, pDst, pSrc, bEvilArg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(3, 2);
        IEM_MC_ARG(PRTUINT128U,                 pDst,       0);
        IEM_MC_LOCAL(RTUINT128U,                uSrc);
        IEM_MC_ARG_LOCAL_REF(PCRTUINT128U,      pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        uint8_t bEvil; IEM_OPCODE_GET_NEXT_U8(&bEvil);
        IEM_MC_ARG_CONST(uint8_t,               bEvilArg, /*=*/ bEvil, 2);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();

        IEM_MC_FETCH_MEM_U128_ALIGN_SSE(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_3(iemAImpl_pshufhw, pDst, pSrc, bEvilArg);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0xf2 0x0f 0x70 - pshuflw Vx, Wx, Ib */
FNIEMOP_DEF(iemOp_pshuflw_Vx_Wx_Ib)
{
    IEMOP_MNEMONIC(pshuflw_Vx_Wx_Ib, "pshuflw Vx,Wx,Ib");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        uint8_t bEvil; IEM_OPCODE_GET_NEXT_U8(&bEvil);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(3, 0);
        IEM_MC_ARG(PRTUINT128U,         pDst, 0);
        IEM_MC_ARG(PCRTUINT128U,        pSrc, 1);
        IEM_MC_ARG_CONST(uint8_t,       bEvilArg, /*=*/ bEvil, 2);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_XREG_U128_CONST(pSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_SSE_AIMPL_3(iemAImpl_pshuflw, pDst, pSrc, bEvilArg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(3, 2);
        IEM_MC_ARG(PRTUINT128U,                 pDst,       0);
        IEM_MC_LOCAL(RTUINT128U,                uSrc);
        IEM_MC_ARG_LOCAL_REF(PCRTUINT128U,      pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        uint8_t bEvil; IEM_OPCODE_GET_NEXT_U8(&bEvil);
        IEM_MC_ARG_CONST(uint8_t,               bEvilArg, /*=*/ bEvil, 2);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();

        IEM_MC_FETCH_MEM_U128_ALIGN_SSE(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_3(iemAImpl_pshuflw, pDst, pSrc, bEvilArg);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x71 11/2. */
FNIEMOP_STUB_1(iemOp_Grp12_psrlw_Nq_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x71 11/2. */
FNIEMOP_STUB_1(iemOp_Grp12_psrlw_Ux_Ib, uint8_t, bRm);

/** Opcode 0x0f 0x71 11/4. */
FNIEMOP_STUB_1(iemOp_Grp12_psraw_Nq_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x71 11/4. */
FNIEMOP_STUB_1(iemOp_Grp12_psraw_Ux_Ib, uint8_t, bRm);

/** Opcode 0x0f 0x71 11/6. */
FNIEMOP_STUB_1(iemOp_Grp12_psllw_Nq_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x71 11/6. */
FNIEMOP_STUB_1(iemOp_Grp12_psllw_Ux_Ib, uint8_t, bRm);


/**
 * Group 12 jump table for register variant.
 */
IEM_STATIC const PFNIEMOPRM g_apfnGroup12RegReg[] =
{
    /* /0 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /1 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /2 */ iemOp_Grp12_psrlw_Nq_Ib,   iemOp_Grp12_psrlw_Ux_Ib,    iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
    /* /3 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /4 */ iemOp_Grp12_psraw_Nq_Ib,   iemOp_Grp12_psraw_Ux_Ib,    iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
    /* /5 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /6 */ iemOp_Grp12_psllw_Nq_Ib,   iemOp_Grp12_psllw_Ux_Ib,    iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
    /* /7 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8)
};
AssertCompile(RT_ELEMENTS(g_apfnGroup12RegReg) == 8*4);


/** Opcode 0x0f 0x71. */
FNIEMOP_DEF(iemOp_Grp12)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
        /* register, register */
        return FNIEMOP_CALL_1(g_apfnGroup12RegReg[  ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) * 4
                                                  + pVCpu->iem.s.idxPrefix], bRm);
    return FNIEMOP_CALL_1(iemOp_InvalidWithRMNeedImm8, bRm);
}


/** Opcode 0x0f 0x72 11/2. */
FNIEMOP_STUB_1(iemOp_Grp13_psrld_Nq_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x72 11/2. */
FNIEMOP_STUB_1(iemOp_Grp13_psrld_Ux_Ib, uint8_t, bRm);

/** Opcode 0x0f 0x72 11/4. */
FNIEMOP_STUB_1(iemOp_Grp13_psrad_Nq_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x72 11/4. */
FNIEMOP_STUB_1(iemOp_Grp13_psrad_Ux_Ib, uint8_t, bRm);

/** Opcode 0x0f 0x72 11/6. */
FNIEMOP_STUB_1(iemOp_Grp13_pslld_Nq_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x72 11/6. */
FNIEMOP_STUB_1(iemOp_Grp13_pslld_Ux_Ib, uint8_t, bRm);


/**
 * Group 13 jump table for register variant.
 */
IEM_STATIC const PFNIEMOPRM g_apfnGroup13RegReg[] =
{
    /* /0 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /1 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /2 */ iemOp_Grp13_psrld_Nq_Ib,   iemOp_Grp13_psrld_Ux_Ib,    iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
    /* /3 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /4 */ iemOp_Grp13_psrad_Nq_Ib,   iemOp_Grp13_psrad_Ux_Ib,    iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
    /* /5 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /6 */ iemOp_Grp13_pslld_Nq_Ib,   iemOp_Grp13_pslld_Ux_Ib,    iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
    /* /7 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8)
};
AssertCompile(RT_ELEMENTS(g_apfnGroup13RegReg) == 8*4);

/** Opcode 0x0f 0x72. */
FNIEMOP_DEF(iemOp_Grp13)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
        /* register, register */
        return FNIEMOP_CALL_1(g_apfnGroup13RegReg[ ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) * 4
                                                  + pVCpu->iem.s.idxPrefix], bRm);
    return FNIEMOP_CALL_1(iemOp_InvalidWithRMNeedImm8, bRm);
}


/** Opcode 0x0f 0x73 11/2. */
FNIEMOP_STUB_1(iemOp_Grp14_psrlq_Nq_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x73 11/2. */
FNIEMOP_STUB_1(iemOp_Grp14_psrlq_Ux_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x73 11/3. */
FNIEMOP_STUB_1(iemOp_Grp14_psrldq_Ux_Ib, uint8_t, bRm); //NEXT

/** Opcode 0x0f 0x73 11/6. */
FNIEMOP_STUB_1(iemOp_Grp14_psllq_Nq_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x73 11/6. */
FNIEMOP_STUB_1(iemOp_Grp14_psllq_Ux_Ib, uint8_t, bRm);

/** Opcode 0x66 0x0f 0x73 11/7. */
FNIEMOP_STUB_1(iemOp_Grp14_pslldq_Ux_Ib, uint8_t, bRm); //NEXT

/**
 * Group 14 jump table for register variant.
 */
IEM_STATIC const PFNIEMOPRM g_apfnGroup14RegReg[] =
{
    /* /0 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /1 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /2 */ iemOp_Grp14_psrlq_Nq_Ib,     iemOp_Grp14_psrlq_Ux_Ib,  iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
    /* /3 */ iemOp_InvalidWithRMNeedImm8, iemOp_Grp14_psrldq_Ux_Ib, iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
    /* /4 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /5 */ IEMOP_X4(iemOp_InvalidWithRMNeedImm8),
    /* /6 */ iemOp_Grp14_psllq_Nq_Ib,     iemOp_Grp14_psllq_Ux_Ib,  iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
    /* /7 */ iemOp_InvalidWithRMNeedImm8, iemOp_Grp14_pslldq_Ux_Ib, iemOp_InvalidWithRMNeedImm8, iemOp_InvalidWithRMNeedImm8,
};
AssertCompile(RT_ELEMENTS(g_apfnGroup14RegReg) == 8*4);


/** Opcode 0x0f 0x73. */
FNIEMOP_DEF(iemOp_Grp14)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
        /* register, register */
        return FNIEMOP_CALL_1(g_apfnGroup14RegReg[ ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) * 4
                                                  + pVCpu->iem.s.idxPrefix], bRm);
    return FNIEMOP_CALL_1(iemOp_InvalidWithRMNeedImm8, bRm);
}


/**
 * Common worker for MMX instructions on the form:
 *      pxxx    mm1, mm2/mem64
 */
FNIEMOP_DEF_1(iemOpCommonMmx_FullFull_To_Full, PCIEMOPMEDIAF2, pImpl)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        /** @todo testcase: REX.B / REX.R and MMX register indexing. Ignored? */
        /** @todo testcase: REX.B / REX.R and segment register indexing. Ignored? */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(uint64_t *,          pDst, 0);
        IEM_MC_ARG(uint64_t const *,    pSrc, 1);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_PREPARE_FPU_USAGE();
        IEM_MC_REF_MREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_REF_MREG_U64_CONST(pSrc, bRm & X86_MODRM_RM_MASK);
        IEM_MC_CALL_MMX_AIMPL_2(pImpl->pfnU64, pDst, pSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(2, 2);
        IEM_MC_ARG(uint64_t *,                  pDst,       0);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_ARG_LOCAL_REF(uint64_t const *,  pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_FETCH_MEM_U64(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);

        IEM_MC_PREPARE_FPU_USAGE();
        IEM_MC_REF_MREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_CALL_MMX_AIMPL_2(pImpl->pfnU64, pDst, pSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/**
 * Common worker for SSE2 instructions on the forms:
 *      pxxx    xmm1, xmm2/mem128
 *
 * Proper alignment of the 128-bit operand is enforced.
 * Exceptions type 4. SSE2 cpuid checks.
 */
FNIEMOP_DEF_1(iemOpCommonSse2_FullFull_To_Full, PCIEMOPMEDIAF2, pImpl)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(PRTUINT128U,          pDst, 0);
        IEM_MC_ARG(PCRTUINT128U,         pSrc, 1);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_XREG_U128_CONST(pSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_SSE_AIMPL_2(pImpl->pfnU128, pDst, pSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(2, 2);
        IEM_MC_ARG(PRTUINT128U,                 pDst,       0);
        IEM_MC_LOCAL(RTUINT128U,                uSrc);
        IEM_MC_ARG_LOCAL_REF(PCRTUINT128U,      pSrc, uSrc, 1);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_FETCH_MEM_U128_ALIGN_SSE(uSrc, pVCpu->iem.s.iEffSeg, GCPtrEffSrc);

        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_XREG_U128(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_CALL_SSE_AIMPL_2(pImpl->pfnU128, pDst, pSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode      0x0f 0x74 - pcmpeqb Pq, Qq */
FNIEMOP_DEF(iemOp_pcmpeqb_Pq_Qq)
{
    IEMOP_MNEMONIC(pcmpeqb, "pcmpeqb");
    return FNIEMOP_CALL_1(iemOpCommonMmx_FullFull_To_Full, &g_iemAImpl_pcmpeqb);
}

/** Opcode 0x66 0x0f 0x74 - pcmpeqb Vx, Wx */
FNIEMOP_DEF(iemOp_pcmpeqb_Vx_Wx)
{
    IEMOP_MNEMONIC(vpcmpeqb_Vx_Wx, "pcmpeqb");
    return FNIEMOP_CALL_1(iemOpCommonSse2_FullFull_To_Full, &g_iemAImpl_pcmpeqb);
}

/*  Opcode 0xf3 0x0f 0x74 - invalid */
/*  Opcode 0xf2 0x0f 0x74 - invalid */


/** Opcode      0x0f 0x75 - pcmpeqw Pq, Qq */
FNIEMOP_DEF(iemOp_pcmpeqw_Pq_Qq)
{
    IEMOP_MNEMONIC(pcmpeqw, "pcmpeqw");
    return FNIEMOP_CALL_1(iemOpCommonMmx_FullFull_To_Full, &g_iemAImpl_pcmpeqw);
}

/** Opcode 0x66 0x0f 0x75 - pcmpeqw Vx, Wx */
FNIEMOP_DEF(iemOp_pcmpeqw_Vx_Wx)
{
    IEMOP_MNEMONIC(pcmpeqw_Vx_Wx, "pcmpeqw");
    return FNIEMOP_CALL_1(iemOpCommonSse2_FullFull_To_Full, &g_iemAImpl_pcmpeqw);
}

/*  Opcode 0xf3 0x0f 0x75 - invalid */
/*  Opcode 0xf2 0x0f 0x75 - invalid */


/** Opcode      0x0f 0x76 - pcmpeqd Pq, Qq */
FNIEMOP_DEF(iemOp_pcmpeqd_Pq_Qq)
{
    IEMOP_MNEMONIC(pcmpeqd, "pcmpeqd");
    return FNIEMOP_CALL_1(iemOpCommonMmx_FullFull_To_Full, &g_iemAImpl_pcmpeqd);
}

/** Opcode 0x66 0x0f 0x76 - pcmpeqd Vx, Wx */
FNIEMOP_DEF(iemOp_pcmpeqd_Vx_Wx)
{
    IEMOP_MNEMONIC(pcmpeqd_Vx_Wx, "vpcmpeqd");
    return FNIEMOP_CALL_1(iemOpCommonSse2_FullFull_To_Full, &g_iemAImpl_pcmpeqd);
}

/*  Opcode 0xf3 0x0f 0x76 - invalid */
/*  Opcode 0xf2 0x0f 0x76 - invalid */


/** Opcode      0x0f 0x77 - emms (vex has vzeroall and vzeroupper here) */
FNIEMOP_STUB(iemOp_emms);
/*  Opcode 0x66 0x0f 0x77 - invalid */
/*  Opcode 0xf3 0x0f 0x77 - invalid */
/*  Opcode 0xf2 0x0f 0x77 - invalid */

/** Opcode      0x0f 0x78 - VMREAD Ey, Gy */
FNIEMOP_STUB(iemOp_vmread_Ey_Gy);
/*  Opcode 0x66 0x0f 0x78 - AMD Group 17 */
FNIEMOP_STUB(iemOp_AmdGrp17);
/*  Opcode 0xf3 0x0f 0x78 - invalid */
/*  Opcode 0xf2 0x0f 0x78 - invalid */

/** Opcode      0x0f 0x79 - VMWRITE Gy, Ey */
FNIEMOP_STUB(iemOp_vmwrite_Gy_Ey);
/*  Opcode 0x66 0x0f 0x79 - invalid */
/*  Opcode 0xf3 0x0f 0x79 - invalid */
/*  Opcode 0xf2 0x0f 0x79 - invalid */

/*  Opcode      0x0f 0x7a - invalid */
/*  Opcode 0x66 0x0f 0x7a - invalid */
/*  Opcode 0xf3 0x0f 0x7a - invalid */
/*  Opcode 0xf2 0x0f 0x7a - invalid */

/*  Opcode      0x0f 0x7b - invalid */
/*  Opcode 0x66 0x0f 0x7b - invalid */
/*  Opcode 0xf3 0x0f 0x7b - invalid */
/*  Opcode 0xf2 0x0f 0x7b - invalid */

/*  Opcode      0x0f 0x7c - invalid */
/** Opcode 0x66 0x0f 0x7c - haddpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_haddpd_Vpd_Wpd);
/*  Opcode 0xf3 0x0f 0x7c - invalid */
/** Opcode 0xf2 0x0f 0x7c - haddps Vps, Wps */
FNIEMOP_STUB(iemOp_haddps_Vps_Wps);

/*  Opcode      0x0f 0x7d - invalid */
/** Opcode 0x66 0x0f 0x7d - hsubpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_hsubpd_Vpd_Wpd);
/*  Opcode 0xf3 0x0f 0x7d - invalid */
/** Opcode 0xf2 0x0f 0x7d - hsubps Vps, Wps */
FNIEMOP_STUB(iemOp_hsubps_Vps_Wps);


/** Opcode      0x0f 0x7e - movd_q Ey, Pd */
FNIEMOP_DEF(iemOp_movd_q_Ey_Pd)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        IEMOP_MNEMONIC(movq_Eq_Pq, "movq Eq,Pq");
    else
        IEMOP_MNEMONIC(movd_Ed_Pd, "movd Ed,Pd");
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* greg, MMX */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ();
        if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        {
            IEM_MC_LOCAL(uint64_t, u64Tmp);
            IEM_MC_FETCH_MREG_U64(u64Tmp, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
            IEM_MC_STORE_GREG_U64((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u64Tmp);
        }
        else
        {
            IEM_MC_LOCAL(uint32_t, u32Tmp);
            IEM_MC_FETCH_MREG_U32(u32Tmp, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
            IEM_MC_STORE_GREG_U32((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u32Tmp);
        }
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* [mem], MMX */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffSrc);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 1);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ();
        if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        {
            IEM_MC_LOCAL(uint64_t, u64Tmp);
            IEM_MC_FETCH_MREG_U64(u64Tmp, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
            IEM_MC_STORE_MEM_U64(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, u64Tmp);
        }
        else
        {
            IEM_MC_LOCAL(uint32_t, u32Tmp);
            IEM_MC_FETCH_MREG_U32(u32Tmp, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
            IEM_MC_STORE_MEM_U32(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, u32Tmp);
        }
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0x66 0x0f 0x7e - movd_q Ey, Vy */
FNIEMOP_DEF(iemOp_movd_q_Ey_Vy)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        IEMOP_MNEMONIC(movq_Eq_Wq, "movq Eq,Wq");
    else
        IEMOP_MNEMONIC(movd_Ed_Wd, "movd Ed,Wd");
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* greg, XMM */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();
        if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        {
            IEM_MC_LOCAL(uint64_t, u64Tmp);
            IEM_MC_FETCH_XREG_U64(u64Tmp, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
            IEM_MC_STORE_GREG_U64((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u64Tmp);
        }
        else
        {
            IEM_MC_LOCAL(uint32_t, u32Tmp);
            IEM_MC_FETCH_XREG_U32(u32Tmp, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
            IEM_MC_STORE_GREG_U32((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, u32Tmp);
        }
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* [mem], XMM */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffSrc);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 1);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();
        if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        {
            IEM_MC_LOCAL(uint64_t, u64Tmp);
            IEM_MC_FETCH_XREG_U64(u64Tmp, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
            IEM_MC_STORE_MEM_U64(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, u64Tmp);
        }
        else
        {
            IEM_MC_LOCAL(uint32_t, u32Tmp);
            IEM_MC_FETCH_XREG_U32(u32Tmp, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
            IEM_MC_STORE_MEM_U32(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, u32Tmp);
        }
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0xf3 0x0f 0x7e - movq Vq, Wq */
FNIEMOP_STUB(iemOp_movq_Vq_Wq);
/*  Opcode 0xf2 0x0f 0x7e - invalid */


/** Opcode      0x0f 0x7f - movq Qq, Pq */
FNIEMOP_DEF(iemOp_movq_Qq_Pq)
{
    IEMOP_MNEMONIC(movq_Qq_Pq, "movq Qq,Pq");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        /** @todo testcase: REX.B / REX.R and MMX register indexing. Ignored? */
        /** @todo testcase: REX.B / REX.R and segment register indexing. Ignored? */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(uint64_t, u64Tmp);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_ACTUALIZE_FPU_STATE_FOR_CHANGE();
        IEM_MC_FETCH_MREG_U64(u64Tmp, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_STORE_MREG_U64(bRm & X86_MODRM_RM_MASK, u64Tmp);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint64_t, u64Tmp);
        IEM_MC_LOCAL(RTGCPTR,  GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ();

        IEM_MC_FETCH_MREG_U64(u64Tmp, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_STORE_MEM_U64(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, u64Tmp);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0x66 0x0f 0x7f - movdqa Wx,Vx */
FNIEMOP_DEF(iemOp_movdqa_Wx_Vx)
{
    IEMOP_MNEMONIC(movdqa_Wdq_Vdq, "movdqa Wx,Vx");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB,
                              ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U, u128Tmp);
        IEM_MC_LOCAL(RTGCPTR,    GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U128(u128Tmp, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U128_ALIGN_SSE(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, u128Tmp);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0xf3 0x0f 0x7f - movdqu Wx,Vx */
FNIEMOP_DEF(iemOp_movdqu_Wx_Vx)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_MNEMONIC(movdqu_Wdq_Vdq, "movdqu Wx,Vx");
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();
        IEM_MC_COPY_XREG_U128((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB,
                              ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Register, memory.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U, u128Tmp);
        IEM_MC_LOCAL(RTGCPTR,    GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U128(u128Tmp, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U128(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, u128Tmp);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/*  Opcode 0xf2 0x0f 0x7f - invalid */



/** Opcode 0x0f 0x80. */
FNIEMOP_DEF(iemOp_jo_Jv)
{
    IEMOP_MNEMONIC(jo_Jv, "jo  Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_OF) {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_OF) {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x81. */
FNIEMOP_DEF(iemOp_jno_Jv)
{
    IEMOP_MNEMONIC(jno_Jv, "jno Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_OF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_OF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x82. */
FNIEMOP_DEF(iemOp_jc_Jv)
{
    IEMOP_MNEMONIC(jc_Jv, "jc/jb/jnae Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_CF) {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_CF) {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x83. */
FNIEMOP_DEF(iemOp_jnc_Jv)
{
    IEMOP_MNEMONIC(jnc_Jv, "jnc/jnb/jae Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_CF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_CF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x84. */
FNIEMOP_DEF(iemOp_je_Jv)
{
    IEMOP_MNEMONIC(je_Jv, "je/jz Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_ZF) {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_ZF) {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x85. */
FNIEMOP_DEF(iemOp_jne_Jv)
{
    IEMOP_MNEMONIC(jne_Jv, "jne/jnz Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_ZF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_ZF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x86. */
FNIEMOP_DEF(iemOp_jbe_Jv)
{
    IEMOP_MNEMONIC(jbe_Jv, "jbe/jna Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_ANY_BITS_SET(X86_EFL_CF | X86_EFL_ZF) {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_ANY_BITS_SET(X86_EFL_CF | X86_EFL_ZF) {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x87. */
FNIEMOP_DEF(iemOp_jnbe_Jv)
{
    IEMOP_MNEMONIC(ja_Jv, "jnbe/ja Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_ANY_BITS_SET(X86_EFL_CF | X86_EFL_ZF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_ANY_BITS_SET(X86_EFL_CF | X86_EFL_ZF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x88. */
FNIEMOP_DEF(iemOp_js_Jv)
{
    IEMOP_MNEMONIC(js_Jv, "js  Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_SF) {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_SF) {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x89. */
FNIEMOP_DEF(iemOp_jns_Jv)
{
    IEMOP_MNEMONIC(jns_Jv, "jns Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_SF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_SF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x8a. */
FNIEMOP_DEF(iemOp_jp_Jv)
{
    IEMOP_MNEMONIC(jp_Jv, "jp  Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_PF) {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_PF) {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x8b. */
FNIEMOP_DEF(iemOp_jnp_Jv)
{
    IEMOP_MNEMONIC(jnp_Jv, "jnp Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_PF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_PF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x8c. */
FNIEMOP_DEF(iemOp_jl_Jv)
{
    IEMOP_MNEMONIC(jl_Jv, "jl/jnge Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BITS_NE(X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BITS_NE(X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x8d. */
FNIEMOP_DEF(iemOp_jnl_Jv)
{
    IEMOP_MNEMONIC(jge_Jv, "jnl/jge Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BITS_NE(X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BITS_NE(X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x8e. */
FNIEMOP_DEF(iemOp_jle_Jv)
{
    IEMOP_MNEMONIC(jle_Jv, "jle/jng Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET_OR_BITS_NE(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET_OR_BITS_NE(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ELSE() {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x8f. */
FNIEMOP_DEF(iemOp_jnle_Jv)
{
    IEMOP_MNEMONIC(jg_Jv, "jnle/jg Jv");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
    if (pVCpu->iem.s.enmEffOpSize == IEMMODE_16BIT)
    {
        int16_t i16Imm; IEM_OPCODE_GET_NEXT_S16(&i16Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET_OR_BITS_NE(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S16(i16Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    else
    {
        int32_t i32Imm; IEM_OPCODE_GET_NEXT_S32(&i32Imm);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET_OR_BITS_NE(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_ADVANCE_RIP();
        } IEM_MC_ELSE() {
            IEM_MC_REL_JMP_S32(i32Imm);
        } IEM_MC_ENDIF();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x90. */
FNIEMOP_DEF(iemOp_seto_Eb)
{
    IEMOP_MNEMONIC(seto_Eb, "seto Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_OF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_OF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x91. */
FNIEMOP_DEF(iemOp_setno_Eb)
{
    IEMOP_MNEMONIC(setno_Eb, "setno Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_OF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_OF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x92. */
FNIEMOP_DEF(iemOp_setc_Eb)
{
    IEMOP_MNEMONIC(setc_Eb, "setc Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_CF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_CF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x93. */
FNIEMOP_DEF(iemOp_setnc_Eb)
{
    IEMOP_MNEMONIC(setnc_Eb, "setnc Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_CF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_CF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x94. */
FNIEMOP_DEF(iemOp_sete_Eb)
{
    IEMOP_MNEMONIC(sete_Eb, "sete Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_ZF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_ZF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x95. */
FNIEMOP_DEF(iemOp_setne_Eb)
{
    IEMOP_MNEMONIC(setne_Eb, "setne Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_ZF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_ZF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x96. */
FNIEMOP_DEF(iemOp_setbe_Eb)
{
    IEMOP_MNEMONIC(setbe_Eb, "setbe Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_ANY_BITS_SET(X86_EFL_CF | X86_EFL_ZF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_ANY_BITS_SET(X86_EFL_CF | X86_EFL_ZF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x97. */
FNIEMOP_DEF(iemOp_setnbe_Eb)
{
    IEMOP_MNEMONIC(setnbe_Eb, "setnbe Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_ANY_BITS_SET(X86_EFL_CF | X86_EFL_ZF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_ANY_BITS_SET(X86_EFL_CF | X86_EFL_ZF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x98. */
FNIEMOP_DEF(iemOp_sets_Eb)
{
    IEMOP_MNEMONIC(sets_Eb, "sets Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_SF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_SF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x99. */
FNIEMOP_DEF(iemOp_setns_Eb)
{
    IEMOP_MNEMONIC(setns_Eb, "setns Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_SF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_SF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x9a. */
FNIEMOP_DEF(iemOp_setp_Eb)
{
    IEMOP_MNEMONIC(setp_Eb, "setp Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_PF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_PF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x9b. */
FNIEMOP_DEF(iemOp_setnp_Eb)
{
    IEMOP_MNEMONIC(setnp_Eb, "setnp Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_PF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET(X86_EFL_PF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x9c. */
FNIEMOP_DEF(iemOp_setl_Eb)
{
    IEMOP_MNEMONIC(setl_Eb, "setl Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BITS_NE(X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BITS_NE(X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x9d. */
FNIEMOP_DEF(iemOp_setnl_Eb)
{
    IEMOP_MNEMONIC(setnl_Eb, "setnl Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BITS_NE(X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BITS_NE(X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x9e. */
FNIEMOP_DEF(iemOp_setle_Eb)
{
    IEMOP_MNEMONIC(setle_Eb, "setle Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET_OR_BITS_NE(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET_OR_BITS_NE(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0x9f. */
FNIEMOP_DEF(iemOp_setnle_Eb)
{
    IEMOP_MNEMONIC(setnle_Eb, "setnle Eb");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Encoding test: Check if the 'reg' field is ignored or decoded in
     *        any way. AMD says it's "unused", whatever that means.  We're
     *        ignoring for now. */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register target */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 0);
        IEM_MC_IF_EFL_BIT_SET_OR_BITS_NE(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_GREG_U8_CONST((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /* memory target */
        IEM_MC_BEGIN(0, 1);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_IF_EFL_BIT_SET_OR_BITS_NE(X86_EFL_ZF, X86_EFL_SF, X86_EFL_OF) {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        } IEM_MC_ELSE() {
            IEM_MC_STORE_MEM_U8_CONST(pVCpu->iem.s.iEffSeg, GCPtrEffDst, 1);
        } IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/**
 * Common 'push segment-register' helper.
 */
FNIEMOP_DEF_1(iemOpCommonPushSReg, uint8_t, iReg)
{
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    Assert(iReg < X86_SREG_FS || pVCpu->iem.s.enmCpuMode != IEMMODE_64BIT);
    IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();

    switch (pVCpu->iem.s.enmEffOpSize)
    {
        case IEMMODE_16BIT:
            IEM_MC_BEGIN(0, 1);
            IEM_MC_LOCAL(uint16_t, u16Value);
            IEM_MC_FETCH_SREG_U16(u16Value, iReg);
            IEM_MC_PUSH_U16(u16Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
            break;

        case IEMMODE_32BIT:
            IEM_MC_BEGIN(0, 1);
            IEM_MC_LOCAL(uint32_t, u32Value);
            IEM_MC_FETCH_SREG_ZX_U32(u32Value, iReg);
            IEM_MC_PUSH_U32_SREG(u32Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
            break;

        case IEMMODE_64BIT:
            IEM_MC_BEGIN(0, 1);
            IEM_MC_LOCAL(uint64_t, u64Value);
            IEM_MC_FETCH_SREG_ZX_U64(u64Value, iReg);
            IEM_MC_PUSH_U64(u64Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
            break;
    }

    return VINF_SUCCESS;
}


/** Opcode 0x0f 0xa0. */
FNIEMOP_DEF(iemOp_push_fs)
{
    IEMOP_MNEMONIC(push_fs, "push fs");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return FNIEMOP_CALL_1(iemOpCommonPushSReg, X86_SREG_FS);
}


/** Opcode 0x0f 0xa1. */
FNIEMOP_DEF(iemOp_pop_fs)
{
    IEMOP_MNEMONIC(pop_fs, "pop fs");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_2(iemCImpl_pop_Sreg, X86_SREG_FS, pVCpu->iem.s.enmEffOpSize);
}


/** Opcode 0x0f 0xa2. */
FNIEMOP_DEF(iemOp_cpuid)
{
    IEMOP_MNEMONIC(cpuid, "cpuid");
    IEMOP_HLP_MIN_486(); /* not all 486es. */
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_cpuid);
}


/**
 * Common worker for iemOp_bt_Ev_Gv, iemOp_btc_Ev_Gv, iemOp_btr_Ev_Gv and
 * iemOp_bts_Ev_Gv.
 */
FNIEMOP_DEF_1(iemOpCommonBit_Ev_Gv, PCIEMOPBINSIZES, pImpl)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_VERIFICATION_UNDEFINED_EFLAGS(X86_EFL_OF | X86_EFL_SF | X86_EFL_ZF | X86_EFL_AF | X86_EFL_PF);

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register destination. */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint16_t *,      pu16Dst,                0);
                IEM_MC_ARG(uint16_t,        u16Src,                 1);
                IEM_MC_ARG(uint32_t *,      pEFlags,                2);

                IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_AND_LOCAL_U16(u16Src, 0xf);
                IEM_MC_REF_GREG_U16(pu16Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU16, pu16Dst, u16Src, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint32_t *,      pu32Dst,                0);
                IEM_MC_ARG(uint32_t,        u32Src,                 1);
                IEM_MC_ARG(uint32_t *,      pEFlags,                2);

                IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_AND_LOCAL_U32(u32Src, 0x1f);
                IEM_MC_REF_GREG_U32(pu32Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU32, pu32Dst, u32Src, pEFlags);

                IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint64_t *,      pu64Dst,                0);
                IEM_MC_ARG(uint64_t,        u64Src,                 1);
                IEM_MC_ARG(uint32_t *,      pEFlags,                2);

                IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_AND_LOCAL_U64(u64Src, 0x3f);
                IEM_MC_REF_GREG_U64(pu64Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU64, pu64Dst, u64Src, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        /* memory destination. */

        uint32_t fAccess;
        if (pImpl->pfnLockedU16)
            fAccess = IEM_ACCESS_DATA_RW;
        else /* BT */
            fAccess = IEM_ACCESS_DATA_R;

        /** @todo test negative bit offsets! */
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(3, 2);
                IEM_MC_ARG(uint16_t *,              pu16Dst,                0);
                IEM_MC_ARG(uint16_t,                u16Src,                 1);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        2);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);
                IEM_MC_LOCAL(int16_t,               i16AddrAdj);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                if (pImpl->pfnLockedU16)
                    IEMOP_HLP_DONE_DECODING();
                else
                    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_ASSIGN(i16AddrAdj, u16Src);
                IEM_MC_AND_ARG_U16(u16Src, 0x0f);
                IEM_MC_SAR_LOCAL_S16(i16AddrAdj, 4);
                IEM_MC_SHL_LOCAL_S16(i16AddrAdj, 1);
                IEM_MC_ADD_LOCAL_S16_TO_EFF_ADDR(GCPtrEffDst, i16AddrAdj);
                IEM_MC_FETCH_EFLAGS(EFlags);

                IEM_MC_MEM_MAP(pu16Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU16, pu16Dst, u16Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU16, pu16Dst, u16Src, pEFlags);
                IEM_MC_MEM_COMMIT_AND_UNMAP(pu16Dst, fAccess);

                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(3, 2);
                IEM_MC_ARG(uint32_t *,              pu32Dst,                0);
                IEM_MC_ARG(uint32_t,                u32Src,                 1);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        2);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);
                IEM_MC_LOCAL(int32_t,               i32AddrAdj);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                if (pImpl->pfnLockedU16)
                    IEMOP_HLP_DONE_DECODING();
                else
                    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_ASSIGN(i32AddrAdj, u32Src);
                IEM_MC_AND_ARG_U32(u32Src, 0x1f);
                IEM_MC_SAR_LOCAL_S32(i32AddrAdj, 5);
                IEM_MC_SHL_LOCAL_S32(i32AddrAdj, 2);
                IEM_MC_ADD_LOCAL_S32_TO_EFF_ADDR(GCPtrEffDst, i32AddrAdj);
                IEM_MC_FETCH_EFLAGS(EFlags);

                IEM_MC_MEM_MAP(pu32Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU32, pu32Dst, u32Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU32, pu32Dst, u32Src, pEFlags);
                IEM_MC_MEM_COMMIT_AND_UNMAP(pu32Dst, fAccess);

                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(3, 2);
                IEM_MC_ARG(uint64_t *,              pu64Dst,                0);
                IEM_MC_ARG(uint64_t,                u64Src,                 1);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        2);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);
                IEM_MC_LOCAL(int64_t,               i64AddrAdj);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                if (pImpl->pfnLockedU16)
                    IEMOP_HLP_DONE_DECODING();
                else
                    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_ASSIGN(i64AddrAdj, u64Src);
                IEM_MC_AND_ARG_U64(u64Src, 0x3f);
                IEM_MC_SAR_LOCAL_S64(i64AddrAdj, 6);
                IEM_MC_SHL_LOCAL_S64(i64AddrAdj, 3);
                IEM_MC_ADD_LOCAL_S64_TO_EFF_ADDR(GCPtrEffDst, i64AddrAdj);
                IEM_MC_FETCH_EFLAGS(EFlags);

                IEM_MC_MEM_MAP(pu64Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU64, pu64Dst, u64Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU64, pu64Dst, u64Src, pEFlags);
                IEM_MC_MEM_COMMIT_AND_UNMAP(pu64Dst, fAccess);

                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
}


/** Opcode 0x0f 0xa3. */
FNIEMOP_DEF(iemOp_bt_Ev_Gv)
{
    IEMOP_MNEMONIC(bt_Ev_Gv, "bt  Ev,Gv");
    IEMOP_HLP_MIN_386();
    return FNIEMOP_CALL_1(iemOpCommonBit_Ev_Gv, &g_iemAImpl_bt);
}


/**
 * Common worker for iemOp_shrd_Ev_Gv_Ib and iemOp_shld_Ev_Gv_Ib.
 */
FNIEMOP_DEF_1(iemOpCommonShldShrd_Ib, PCIEMOPSHIFTDBLSIZES, pImpl)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_VERIFICATION_UNDEFINED_EFLAGS(X86_EFL_AF | X86_EFL_OF);

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        uint8_t cShift; IEM_OPCODE_GET_NEXT_U8(&cShift);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(4, 0);
                IEM_MC_ARG(uint16_t *,      pu16Dst,                0);
                IEM_MC_ARG(uint16_t,        u16Src,                 1);
                IEM_MC_ARG_CONST(uint8_t,   cShiftArg, /*=*/cShift, 2);
                IEM_MC_ARG(uint32_t *,      pEFlags,                3);

                IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_GREG_U16(pu16Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU16, pu16Dst, u16Src, cShiftArg, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(4, 0);
                IEM_MC_ARG(uint32_t *,      pu32Dst,                0);
                IEM_MC_ARG(uint32_t,        u32Src,                 1);
                IEM_MC_ARG_CONST(uint8_t,   cShiftArg, /*=*/cShift, 2);
                IEM_MC_ARG(uint32_t *,      pEFlags,                3);

                IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_GREG_U32(pu32Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU32, pu32Dst, u32Src, cShiftArg, pEFlags);

                IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(4, 0);
                IEM_MC_ARG(uint64_t *,      pu64Dst,                0);
                IEM_MC_ARG(uint64_t,        u64Src,                 1);
                IEM_MC_ARG_CONST(uint8_t,   cShiftArg, /*=*/cShift, 2);
                IEM_MC_ARG(uint32_t *,      pEFlags,                3);

                IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_GREG_U64(pu64Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU64, pu64Dst, u64Src, cShiftArg, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(4, 2);
                IEM_MC_ARG(uint16_t *,              pu16Dst,                0);
                IEM_MC_ARG(uint16_t,                u16Src,                 1);
                IEM_MC_ARG(uint8_t,                 cShiftArg,              2);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        3);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 1);
                uint8_t cShift; IEM_OPCODE_GET_NEXT_U8(&cShift);
                IEM_MC_ASSIGN(cShiftArg, cShift);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_MEM_MAP(pu16Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU16, pu16Dst, u16Src, cShiftArg, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu16Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(4, 2);
                IEM_MC_ARG(uint32_t *,              pu32Dst,                0);
                IEM_MC_ARG(uint32_t,                u32Src,                 1);
                IEM_MC_ARG(uint8_t,                 cShiftArg,              2);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        3);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 1);
                uint8_t cShift; IEM_OPCODE_GET_NEXT_U8(&cShift);
                IEM_MC_ASSIGN(cShiftArg, cShift);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_MEM_MAP(pu32Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU32, pu32Dst, u32Src, cShiftArg, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu32Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(4, 2);
                IEM_MC_ARG(uint64_t *,              pu64Dst,                0);
                IEM_MC_ARG(uint64_t,                u64Src,                 1);
                IEM_MC_ARG(uint8_t,                 cShiftArg,              2);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        3);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 1);
                uint8_t cShift; IEM_OPCODE_GET_NEXT_U8(&cShift);
                IEM_MC_ASSIGN(cShiftArg, cShift);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_MEM_MAP(pu64Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU64, pu64Dst, u64Src, cShiftArg, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu64Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
}


/**
 * Common worker for iemOp_shrd_Ev_Gv_CL and iemOp_shld_Ev_Gv_CL.
 */
FNIEMOP_DEF_1(iemOpCommonShldShrd_CL, PCIEMOPSHIFTDBLSIZES, pImpl)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_VERIFICATION_UNDEFINED_EFLAGS(X86_EFL_AF | X86_EFL_OF);

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(4, 0);
                IEM_MC_ARG(uint16_t *,      pu16Dst,                0);
                IEM_MC_ARG(uint16_t,        u16Src,                 1);
                IEM_MC_ARG(uint8_t,         cShiftArg,              2);
                IEM_MC_ARG(uint32_t *,      pEFlags,                3);

                IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_GREG_U16(pu16Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_FETCH_GREG_U8(cShiftArg, X86_GREG_xCX);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU16, pu16Dst, u16Src, cShiftArg, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(4, 0);
                IEM_MC_ARG(uint32_t *,      pu32Dst,                0);
                IEM_MC_ARG(uint32_t,        u32Src,                 1);
                IEM_MC_ARG(uint8_t,         cShiftArg,              2);
                IEM_MC_ARG(uint32_t *,      pEFlags,                3);

                IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_GREG_U32(pu32Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_FETCH_GREG_U8(cShiftArg, X86_GREG_xCX);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU32, pu32Dst, u32Src, cShiftArg, pEFlags);

                IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(4, 0);
                IEM_MC_ARG(uint64_t *,      pu64Dst,                0);
                IEM_MC_ARG(uint64_t,        u64Src,                 1);
                IEM_MC_ARG(uint8_t,         cShiftArg,              2);
                IEM_MC_ARG(uint32_t *,      pEFlags,                3);

                IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_GREG_U64(pu64Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_FETCH_GREG_U8(cShiftArg, X86_GREG_xCX);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU64, pu64Dst, u64Src, cShiftArg, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(4, 2);
                IEM_MC_ARG(uint16_t *,              pu16Dst,                0);
                IEM_MC_ARG(uint16_t,                u16Src,                 1);
                IEM_MC_ARG(uint8_t,                 cShiftArg,              2);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        3);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_GREG_U8(cShiftArg, X86_GREG_xCX);
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_MEM_MAP(pu16Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU16, pu16Dst, u16Src, cShiftArg, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu16Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(4, 2);
                IEM_MC_ARG(uint32_t *,              pu32Dst,                0);
                IEM_MC_ARG(uint32_t,                u32Src,                 1);
                IEM_MC_ARG(uint8_t,                 cShiftArg,              2);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        3);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_GREG_U8(cShiftArg, X86_GREG_xCX);
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_MEM_MAP(pu32Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU32, pu32Dst, u32Src, cShiftArg, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu32Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(4, 2);
                IEM_MC_ARG(uint64_t *,              pu64Dst,                0);
                IEM_MC_ARG(uint64_t,                u64Src,                 1);
                IEM_MC_ARG(uint8_t,                 cShiftArg,              2);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        3);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_GREG_U8(cShiftArg, X86_GREG_xCX);
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_MEM_MAP(pu64Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                IEM_MC_CALL_VOID_AIMPL_4(pImpl->pfnNormalU64, pu64Dst, u64Src, cShiftArg, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu64Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
}



/** Opcode 0x0f 0xa4. */
FNIEMOP_DEF(iemOp_shld_Ev_Gv_Ib)
{
    IEMOP_MNEMONIC(shld_Ev_Gv_Ib, "shld Ev,Gv,Ib");
    IEMOP_HLP_MIN_386();
    return FNIEMOP_CALL_1(iemOpCommonShldShrd_Ib, &g_iemAImpl_shld);
}


/** Opcode 0x0f 0xa5. */
FNIEMOP_DEF(iemOp_shld_Ev_Gv_CL)
{
    IEMOP_MNEMONIC(shld_Ev_Gv_CL, "shld Ev,Gv,CL");
    IEMOP_HLP_MIN_386();
    return FNIEMOP_CALL_1(iemOpCommonShldShrd_CL, &g_iemAImpl_shld);
}


/** Opcode 0x0f 0xa8. */
FNIEMOP_DEF(iemOp_push_gs)
{
    IEMOP_MNEMONIC(push_gs, "push gs");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return FNIEMOP_CALL_1(iemOpCommonPushSReg, X86_SREG_GS);
}


/** Opcode 0x0f 0xa9. */
FNIEMOP_DEF(iemOp_pop_gs)
{
    IEMOP_MNEMONIC(pop_gs, "pop gs");
    IEMOP_HLP_MIN_386();
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    return IEM_MC_DEFER_TO_CIMPL_2(iemCImpl_pop_Sreg, X86_SREG_GS, pVCpu->iem.s.enmEffOpSize);
}


/** Opcode 0x0f 0xaa. */
FNIEMOP_DEF(iemOp_rsm)
{
    IEMOP_MNEMONIC(rsm, "rsm");
    IEMOP_HLP_SVM_CTRL_INTERCEPT(pVCpu, SVM_CTRL_INTERCEPT_RSM, SVM_EXIT_RSM, 0, 0);
    /** @todo rsm - for the regular case (above handles only the SVM nested-guest
     *        intercept). */
    IEMOP_BITCH_ABOUT_STUB();
    return IEMOP_RAISE_INVALID_OPCODE();
}

//IEMOP_HLP_MIN_386();


/** Opcode 0x0f 0xab. */
FNIEMOP_DEF(iemOp_bts_Ev_Gv)
{
    IEMOP_MNEMONIC(bts_Ev_Gv, "bts Ev,Gv");
    IEMOP_HLP_MIN_386();
    return FNIEMOP_CALL_1(iemOpCommonBit_Ev_Gv, &g_iemAImpl_bts);
}


/** Opcode 0x0f 0xac. */
FNIEMOP_DEF(iemOp_shrd_Ev_Gv_Ib)
{
    IEMOP_MNEMONIC(shrd_Ev_Gv_Ib, "shrd Ev,Gv,Ib");
    IEMOP_HLP_MIN_386();
    return FNIEMOP_CALL_1(iemOpCommonShldShrd_Ib, &g_iemAImpl_shrd);
}


/** Opcode 0x0f 0xad. */
FNIEMOP_DEF(iemOp_shrd_Ev_Gv_CL)
{
    IEMOP_MNEMONIC(shrd_Ev_Gv_CL, "shrd Ev,Gv,CL");
    IEMOP_HLP_MIN_386();
    return FNIEMOP_CALL_1(iemOpCommonShldShrd_CL, &g_iemAImpl_shrd);
}


/** Opcode 0x0f 0xae mem/0. */
FNIEMOP_DEF_1(iemOp_Grp15_fxsave,   uint8_t, bRm)
{
    IEMOP_MNEMONIC(fxsave, "fxsave m512");
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fFxSaveRstor)
        return IEMOP_RAISE_INVALID_OPCODE();

    IEM_MC_BEGIN(3, 1);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                 0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEff,                                1);
    IEM_MC_ARG_CONST(IEMMODE,   enmEffOpSize,/*=*/pVCpu->iem.s.enmEffOpSize, 2);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_3(iemCImpl_fxsave, iEffSeg, GCPtrEff, enmEffOpSize);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0xae mem/1. */
FNIEMOP_DEF_1(iemOp_Grp15_fxrstor,  uint8_t, bRm)
{
    IEMOP_MNEMONIC(fxrstor, "fxrstor m512");
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fFxSaveRstor)
        return IEMOP_RAISE_INVALID_OPCODE();

    IEM_MC_BEGIN(3, 1);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                 0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEff,                                1);
    IEM_MC_ARG_CONST(IEMMODE,   enmEffOpSize,/*=*/pVCpu->iem.s.enmEffOpSize, 2);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ACTUALIZE_FPU_STATE_FOR_CHANGE();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_3(iemCImpl_fxrstor, iEffSeg, GCPtrEff, enmEffOpSize);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/**
 * @opmaps      grp15
 * @opcode      !11/2
 * @oppfx       none
 * @opcpuid     sse
 * @opgroup     og_sse_mxcsrsm
 * @opxcpttype  5
 * @optest      op1=0      -> mxcsr=0
 * @optest      op1=0x2083 -> mxcsr=0x2083
 * @optest      op1=0xfffffffe -> value.xcpt=0xd
 * @optest      op1=0x2083 cr0|=ts -> value.xcpt=0x7
 * @optest      op1=0x2083 cr0|=em -> value.xcpt=0x6
 * @optest      op1=0x2083 cr0|=mp -> mxcsr=0x2083
 * @optest      op1=0x2083 cr4&~=osfxsr -> value.xcpt=0x6
 * @optest      op1=0x2083 cr0|=ts,em -> value.xcpt=0x6
 * @optest      op1=0x2083 cr0|=em cr4&~=osfxsr -> value.xcpt=0x6
 * @optest      op1=0x2083 cr0|=ts,em cr4&~=osfxsr -> value.xcpt=0x6
 * @optest      op1=0x2083 cr0|=ts,em,mp cr4&~=osfxsr -> value.xcpt=0x6
 */
FNIEMOP_DEF_1(iemOp_Grp15_ldmxcsr, uint8_t, bRm)
{
    IEMOP_MNEMONIC1(M_MEM, LDMXCSR, ldmxcsr, MdRO, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fSse)
        return IEMOP_RAISE_INVALID_OPCODE();

    IEM_MC_BEGIN(2, 0);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                 0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEff,                                1);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_2(iemCImpl_ldmxcsr, iEffSeg, GCPtrEff);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/**
 * @opmaps      grp15
 * @opcode      !11/3
 * @oppfx       none
 * @opcpuid     sse
 * @opgroup     og_sse_mxcsrsm
 * @opxcpttype  5
 * @optest      mxcsr=0      -> op1=0
 * @optest      mxcsr=0x2083 -> op1=0x2083
 * @optest      mxcsr=0x2084 cr0|=ts -> value.xcpt=0x7
 * @optest      mxcsr=0x2085 cr0|=em -> value.xcpt=0x6
 * @optest      mxcsr=0x2086 cr0|=mp -> op1=0x2086
 * @optest      mxcsr=0x2087 cr4&~=osfxsr -> value.xcpt=0x6
 * @optest      mxcsr=0x2088 cr0|=ts,em -> value.xcpt=0x6
 * @optest      mxcsr=0x2089 cr0|=em cr4&~=osfxsr -> value.xcpt=0x6
 * @optest      mxcsr=0x208a cr0|=ts,em cr4&~=osfxsr -> value.xcpt=0x6
 * @optest      mxcsr=0x208b cr0|=ts,em,mp cr4&~=osfxsr -> value.xcpt=0x6
 */
FNIEMOP_DEF_1(iemOp_Grp15_stmxcsr,  uint8_t, bRm)
{
    IEMOP_MNEMONIC1(M_MEM, STMXCSR, stmxcsr, MdWO, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fSse)
        return IEMOP_RAISE_INVALID_OPCODE();

    IEM_MC_BEGIN(2, 0);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                 0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEff,                                1);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_2(iemCImpl_stmxcsr, iEffSeg, GCPtrEff);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/**
 * @opmaps      grp15
 * @opcode      !11/4
 * @oppfx       none
 * @opcpuid     xsave
 * @opgroup     og_system
 * @opxcpttype  none
 */
FNIEMOP_DEF_1(iemOp_Grp15_xsave,    uint8_t, bRm)
{
    IEMOP_MNEMONIC1(M_MEM, XSAVE, xsave, MRW, DISOPTYPE_HARMLESS, 0);
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fXSaveRstor)
        return IEMOP_RAISE_INVALID_OPCODE();

    IEM_MC_BEGIN(3, 0);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                 0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEff,                                1);
    IEM_MC_ARG_CONST(IEMMODE,   enmEffOpSize,/*=*/pVCpu->iem.s.enmEffOpSize, 2);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_3(iemCImpl_xsave, iEffSeg, GCPtrEff, enmEffOpSize);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/**
 * @opmaps      grp15
 * @opcode      !11/5
 * @oppfx       none
 * @opcpuid     xsave
 * @opgroup     og_system
 * @opxcpttype  none
 */
FNIEMOP_DEF_1(iemOp_Grp15_xrstor,   uint8_t, bRm)
{
    IEMOP_MNEMONIC1(M_MEM, XRSTOR, xrstor, MRO, DISOPTYPE_HARMLESS, 0);
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fXSaveRstor)
        return IEMOP_RAISE_INVALID_OPCODE();

    IEM_MC_BEGIN(3, 0);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                 0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEff,                                1);
    IEM_MC_ARG_CONST(IEMMODE,   enmEffOpSize,/*=*/pVCpu->iem.s.enmEffOpSize, 2);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_3(iemCImpl_xrstor, iEffSeg, GCPtrEff, enmEffOpSize);
    IEM_MC_END();
    return VINF_SUCCESS;
}

/** Opcode 0x0f 0xae mem/6. */
FNIEMOP_UD_STUB_1(iemOp_Grp15_xsaveopt, uint8_t, bRm);

/**
 * @opmaps      grp15
 * @opcode      !11/7
 * @oppfx       none
 * @opcpuid     clfsh
 * @opgroup     og_cachectl
 * @optest      op1=1 ->
 */
FNIEMOP_DEF_1(iemOp_Grp15_clflush,  uint8_t, bRm)
{
    IEMOP_MNEMONIC1(M_MEM, CLFLUSH, clflush, MbRO, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fClFlush)
        return FNIEMOP_CALL_1(iemOp_InvalidWithRMAllNeeded, bRm);

    IEM_MC_BEGIN(2, 0);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                 0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEff,                                1);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_2(iemCImpl_clflush_clflushopt, iEffSeg, GCPtrEff);
    IEM_MC_END();
    return VINF_SUCCESS;
}

/**
 * @opmaps      grp15
 * @opcode      !11/7
 * @oppfx       0x66
 * @opcpuid     clflushopt
 * @opgroup     og_cachectl
 * @optest      op1=1 ->
 */
FNIEMOP_DEF_1(iemOp_Grp15_clflushopt,  uint8_t, bRm)
{
    IEMOP_MNEMONIC1(M_MEM, CLFLUSHOPT, clflushopt, MbRO, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fClFlushOpt)
        return FNIEMOP_CALL_1(iemOp_InvalidWithRMAllNeeded, bRm);

    IEM_MC_BEGIN(2, 0);
    IEM_MC_ARG(uint8_t,         iEffSeg,                                 0);
    IEM_MC_ARG(RTGCPTR,         GCPtrEff,                                1);
    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    IEM_MC_ASSIGN(iEffSeg, pVCpu->iem.s.iEffSeg);
    IEM_MC_CALL_CIMPL_2(iemCImpl_clflush_clflushopt, iEffSeg, GCPtrEff);
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0xae 11b/5. */
FNIEMOP_DEF_1(iemOp_Grp15_lfence,   uint8_t, bRm)
{
    RT_NOREF_PV(bRm);
    IEMOP_MNEMONIC(lfence, "lfence");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fSse2)
        return IEMOP_RAISE_INVALID_OPCODE();

    IEM_MC_BEGIN(0, 0);
    if (IEM_GET_HOST_CPU_FEATURES(pVCpu)->fSse2)
        IEM_MC_CALL_VOID_AIMPL_0(iemAImpl_lfence);
    else
        IEM_MC_CALL_VOID_AIMPL_0(iemAImpl_alt_mem_fence);
    IEM_MC_ADVANCE_RIP();
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0xae 11b/6. */
FNIEMOP_DEF_1(iemOp_Grp15_mfence,   uint8_t, bRm)
{
    RT_NOREF_PV(bRm);
    IEMOP_MNEMONIC(mfence, "mfence");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fSse2)
        return IEMOP_RAISE_INVALID_OPCODE();

    IEM_MC_BEGIN(0, 0);
    if (IEM_GET_HOST_CPU_FEATURES(pVCpu)->fSse2)
        IEM_MC_CALL_VOID_AIMPL_0(iemAImpl_mfence);
    else
        IEM_MC_CALL_VOID_AIMPL_0(iemAImpl_alt_mem_fence);
    IEM_MC_ADVANCE_RIP();
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0xae 11b/7. */
FNIEMOP_DEF_1(iemOp_Grp15_sfence,   uint8_t, bRm)
{
    RT_NOREF_PV(bRm);
    IEMOP_MNEMONIC(sfence, "sfence");
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fSse2)
        return IEMOP_RAISE_INVALID_OPCODE();

    IEM_MC_BEGIN(0, 0);
    if (IEM_GET_HOST_CPU_FEATURES(pVCpu)->fSse2)
        IEM_MC_CALL_VOID_AIMPL_0(iemAImpl_sfence);
    else
        IEM_MC_CALL_VOID_AIMPL_0(iemAImpl_alt_mem_fence);
    IEM_MC_ADVANCE_RIP();
    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode 0xf3 0x0f 0xae 11b/0. */
FNIEMOP_UD_STUB_1(iemOp_Grp15_rdfsbase, uint8_t, bRm);

/** Opcode 0xf3 0x0f 0xae 11b/1. */
FNIEMOP_UD_STUB_1(iemOp_Grp15_rdgsbase, uint8_t, bRm);

/** Opcode 0xf3 0x0f 0xae 11b/2. */
FNIEMOP_UD_STUB_1(iemOp_Grp15_wrfsbase, uint8_t, bRm);

/** Opcode 0xf3 0x0f 0xae 11b/3. */
FNIEMOP_UD_STUB_1(iemOp_Grp15_wrgsbase, uint8_t, bRm);


/**
 * Group 15 jump table for register variant.
 */
IEM_STATIC const PFNIEMOPRM g_apfnGroup15RegReg[] =
{   /* pfx:  none,                          066h,                           0f3h,                           0f2h */
    /* /0 */ iemOp_InvalidWithRM,           iemOp_InvalidWithRM,            iemOp_Grp15_rdfsbase,           iemOp_InvalidWithRM,
    /* /1 */ iemOp_InvalidWithRM,           iemOp_InvalidWithRM,            iemOp_Grp15_rdgsbase,           iemOp_InvalidWithRM,
    /* /2 */ iemOp_InvalidWithRM,           iemOp_InvalidWithRM,            iemOp_Grp15_wrfsbase,           iemOp_InvalidWithRM,
    /* /3 */ iemOp_InvalidWithRM,           iemOp_InvalidWithRM,            iemOp_Grp15_wrgsbase,           iemOp_InvalidWithRM,
    /* /4 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /5 */ iemOp_Grp15_lfence,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /6 */ iemOp_Grp15_mfence,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /7 */ iemOp_Grp15_sfence,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
};
AssertCompile(RT_ELEMENTS(g_apfnGroup15RegReg) == 8*4);


/**
 * Group 15 jump table for memory variant.
 */
IEM_STATIC const PFNIEMOPRM g_apfnGroup15MemReg[] =
{   /* pfx:  none,                          066h,                           0f3h,                           0f2h */
    /* /0 */ iemOp_Grp15_fxsave,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /1 */ iemOp_Grp15_fxrstor,           iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /2 */ iemOp_Grp15_ldmxcsr,           iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /3 */ iemOp_Grp15_stmxcsr,           iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /4 */ iemOp_Grp15_xsave,             iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /5 */ iemOp_Grp15_xrstor,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /6 */ iemOp_Grp15_xsaveopt,          iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /7 */ iemOp_Grp15_clflush,           iemOp_Grp15_clflushopt,         iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
};
AssertCompile(RT_ELEMENTS(g_apfnGroup15MemReg) == 8*4);


/** Opcode 0x0f 0xae. */
FNIEMOP_DEF(iemOp_Grp15)
{
    IEMOP_HLP_MIN_586(); /* Not entirely accurate nor needed, but useful for debugging 286 code. */
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
        /* register, register */
        return FNIEMOP_CALL_1(g_apfnGroup15RegReg[ ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) * 4
                                                  + pVCpu->iem.s.idxPrefix], bRm);
    /* memory, register */
    return FNIEMOP_CALL_1(g_apfnGroup15MemReg[ ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) * 4
                                              + pVCpu->iem.s.idxPrefix], bRm);
}


/** Opcode 0x0f 0xaf. */
FNIEMOP_DEF(iemOp_imul_Gv_Ev)
{
    IEMOP_MNEMONIC(imul_Gv_Ev, "imul Gv,Ev");
    IEMOP_HLP_MIN_386();
    IEMOP_VERIFICATION_UNDEFINED_EFLAGS(X86_EFL_SF | X86_EFL_ZF | X86_EFL_AF | X86_EFL_PF);
    return FNIEMOP_CALL_1(iemOpHlpBinaryOperator_rv_rm, &g_iemAImpl_imul_two);
}


/** Opcode 0x0f 0xb0. */
FNIEMOP_DEF(iemOp_cmpxchg_Eb_Gb)
{
    IEMOP_MNEMONIC(cmpxchg_Eb_Gb, "cmpxchg Eb,Gb");
    IEMOP_HLP_MIN_486();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING();
        IEM_MC_BEGIN(4, 0);
        IEM_MC_ARG(uint8_t *,       pu8Dst,                 0);
        IEM_MC_ARG(uint8_t *,       pu8Al,                  1);
        IEM_MC_ARG(uint8_t,         u8Src,                  2);
        IEM_MC_ARG(uint32_t *,      pEFlags,                3);

        IEM_MC_FETCH_GREG_U8(u8Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_GREG_U8(pu8Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_REF_GREG_U8(pu8Al, X86_GREG_xAX);
        IEM_MC_REF_EFLAGS(pEFlags);
        if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
            IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u8, pu8Dst, pu8Al, u8Src, pEFlags);
        else
            IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u8_locked, pu8Dst, pu8Al, u8Src, pEFlags);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        IEM_MC_BEGIN(4, 3);
        IEM_MC_ARG(uint8_t *,       pu8Dst,                 0);
        IEM_MC_ARG(uint8_t *,       pu8Al,                  1);
        IEM_MC_ARG(uint8_t,         u8Src,                  2);
        IEM_MC_ARG_LOCAL_EFLAGS(    pEFlags, EFlags,        3);
        IEM_MC_LOCAL(RTGCPTR,       GCPtrEffDst);
        IEM_MC_LOCAL(uint8_t,       u8Al);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING();
        IEM_MC_MEM_MAP(pu8Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
        IEM_MC_FETCH_GREG_U8(u8Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_FETCH_GREG_U8(u8Al, X86_GREG_xAX);
        IEM_MC_FETCH_EFLAGS(EFlags);
        IEM_MC_REF_LOCAL(pu8Al, u8Al);
        if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
            IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u8, pu8Dst, pu8Al, u8Src, pEFlags);
        else
            IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u8_locked, pu8Dst, pu8Al, u8Src, pEFlags);

        IEM_MC_MEM_COMMIT_AND_UNMAP(pu8Dst, IEM_ACCESS_DATA_RW);
        IEM_MC_COMMIT_EFLAGS(EFlags);
        IEM_MC_STORE_GREG_U8(X86_GREG_xAX, u8Al);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}

/** Opcode 0x0f 0xb1. */
FNIEMOP_DEF(iemOp_cmpxchg_Ev_Gv)
{
    IEMOP_MNEMONIC(cmpxchg_Ev_Gv, "cmpxchg Ev,Gv");
    IEMOP_HLP_MIN_486();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING();
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(4, 0);
                IEM_MC_ARG(uint16_t *,      pu16Dst,                0);
                IEM_MC_ARG(uint16_t *,      pu16Ax,                 1);
                IEM_MC_ARG(uint16_t,        u16Src,                 2);
                IEM_MC_ARG(uint32_t *,      pEFlags,                3);

                IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_GREG_U16(pu16Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_GREG_U16(pu16Ax, X86_GREG_xAX);
                IEM_MC_REF_EFLAGS(pEFlags);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u16, pu16Dst, pu16Ax, u16Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u16_locked, pu16Dst, pu16Ax, u16Src, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(4, 0);
                IEM_MC_ARG(uint32_t *,      pu32Dst,                0);
                IEM_MC_ARG(uint32_t *,      pu32Eax,                1);
                IEM_MC_ARG(uint32_t,        u32Src,                 2);
                IEM_MC_ARG(uint32_t *,      pEFlags,                3);

                IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_GREG_U32(pu32Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_GREG_U32(pu32Eax, X86_GREG_xAX);
                IEM_MC_REF_EFLAGS(pEFlags);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u32, pu32Dst, pu32Eax, u32Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u32_locked, pu32Dst, pu32Eax, u32Src, pEFlags);

                IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Eax);
                IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(4, 0);
                IEM_MC_ARG(uint64_t *,      pu64Dst,                0);
                IEM_MC_ARG(uint64_t *,      pu64Rax,                1);
#ifdef RT_ARCH_X86
                IEM_MC_ARG(uint64_t *,      pu64Src,                2);
#else
                IEM_MC_ARG(uint64_t,        u64Src,                 2);
#endif
                IEM_MC_ARG(uint32_t *,      pEFlags,                3);

                IEM_MC_REF_GREG_U64(pu64Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_GREG_U64(pu64Rax, X86_GREG_xAX);
                IEM_MC_REF_EFLAGS(pEFlags);
#ifdef RT_ARCH_X86
                IEM_MC_REF_GREG_U64(pu64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u64, pu64Dst, pu64Rax, pu64Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u64_locked, pu64Dst, pu64Rax, pu64Src, pEFlags);
#else
                IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u64, pu64Dst, pu64Rax, u64Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u64_locked, pu64Dst, pu64Rax, u64Src, pEFlags);
#endif

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(4, 3);
                IEM_MC_ARG(uint16_t *,      pu16Dst,                0);
                IEM_MC_ARG(uint16_t *,      pu16Ax,                 1);
                IEM_MC_ARG(uint16_t,        u16Src,                 2);
                IEM_MC_ARG_LOCAL_EFLAGS(    pEFlags, EFlags,        3);
                IEM_MC_LOCAL(RTGCPTR,       GCPtrEffDst);
                IEM_MC_LOCAL(uint16_t,      u16Ax);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING();
                IEM_MC_MEM_MAP(pu16Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_GREG_U16(u16Ax, X86_GREG_xAX);
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_REF_LOCAL(pu16Ax, u16Ax);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u16, pu16Dst, pu16Ax, u16Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u16_locked, pu16Dst, pu16Ax, u16Src, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu16Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_STORE_GREG_U16(X86_GREG_xAX, u16Ax);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(4, 3);
                IEM_MC_ARG(uint32_t *,      pu32Dst,                0);
                IEM_MC_ARG(uint32_t *,      pu32Eax,                 1);
                IEM_MC_ARG(uint32_t,        u32Src,                 2);
                IEM_MC_ARG_LOCAL_EFLAGS(    pEFlags, EFlags,        3);
                IEM_MC_LOCAL(RTGCPTR,       GCPtrEffDst);
                IEM_MC_LOCAL(uint32_t,      u32Eax);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING();
                IEM_MC_MEM_MAP(pu32Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_FETCH_GREG_U32(u32Eax, X86_GREG_xAX);
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_REF_LOCAL(pu32Eax, u32Eax);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u32, pu32Dst, pu32Eax, u32Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u32_locked, pu32Dst, pu32Eax, u32Src, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu32Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_STORE_GREG_U32(X86_GREG_xAX, u32Eax);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(4, 3);
                IEM_MC_ARG(uint64_t *,      pu64Dst,                0);
                IEM_MC_ARG(uint64_t *,      pu64Rax,                1);
#ifdef RT_ARCH_X86
                IEM_MC_ARG(uint64_t *,      pu64Src,                2);
#else
                IEM_MC_ARG(uint64_t,        u64Src,                 2);
#endif
                IEM_MC_ARG_LOCAL_EFLAGS(    pEFlags, EFlags,        3);
                IEM_MC_LOCAL(RTGCPTR,       GCPtrEffDst);
                IEM_MC_LOCAL(uint64_t,      u64Rax);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING();
                IEM_MC_MEM_MAP(pu64Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                IEM_MC_FETCH_GREG_U64(u64Rax, X86_GREG_xAX);
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_REF_LOCAL(pu64Rax, u64Rax);
#ifdef RT_ARCH_X86
                IEM_MC_REF_GREG_U64(pu64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u64, pu64Dst, pu64Rax, pu64Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u64_locked, pu64Dst, pu64Rax, pu64Src, pEFlags);
#else
                IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u64, pu64Dst, pu64Rax, u64Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg_u64_locked, pu64Dst, pu64Rax, u64Src, pEFlags);
#endif

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu64Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_STORE_GREG_U64(X86_GREG_xAX, u64Rax);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
}


FNIEMOP_DEF_2(iemOpCommonLoadSRegAndGreg, uint8_t, iSegReg, uint8_t, bRm)
{
    Assert((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT)); /* Caller checks this */
    uint8_t const iGReg = ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg;

    switch (pVCpu->iem.s.enmEffOpSize)
    {
        case IEMMODE_16BIT:
            IEM_MC_BEGIN(5, 1);
            IEM_MC_ARG(uint16_t,        uSel,                                    0);
            IEM_MC_ARG(uint16_t,        offSeg,                                  1);
            IEM_MC_ARG_CONST(uint8_t,   iSegRegArg,/*=*/iSegReg,                 2);
            IEM_MC_ARG_CONST(uint8_t,   iGRegArg,  /*=*/iGReg,                   3);
            IEM_MC_ARG_CONST(IEMMODE,   enmEffOpSize,/*=*/pVCpu->iem.s.enmEffOpSize, 4);
            IEM_MC_LOCAL(RTGCPTR,       GCPtrEff);
            IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
            IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
            IEM_MC_FETCH_MEM_U16(offSeg, pVCpu->iem.s.iEffSeg, GCPtrEff);
            IEM_MC_FETCH_MEM_U16_DISP(uSel, pVCpu->iem.s.iEffSeg, GCPtrEff, 2);
            IEM_MC_CALL_CIMPL_5(iemCImpl_load_SReg_Greg, uSel, offSeg, iSegRegArg, iGRegArg, enmEffOpSize);
            IEM_MC_END();
            return VINF_SUCCESS;

        case IEMMODE_32BIT:
            IEM_MC_BEGIN(5, 1);
            IEM_MC_ARG(uint16_t,        uSel,                                    0);
            IEM_MC_ARG(uint32_t,        offSeg,                                  1);
            IEM_MC_ARG_CONST(uint8_t,   iSegRegArg,/*=*/iSegReg,                 2);
            IEM_MC_ARG_CONST(uint8_t,   iGRegArg,  /*=*/iGReg,                   3);
            IEM_MC_ARG_CONST(IEMMODE,   enmEffOpSize,/*=*/pVCpu->iem.s.enmEffOpSize, 4);
            IEM_MC_LOCAL(RTGCPTR,       GCPtrEff);
            IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
            IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
            IEM_MC_FETCH_MEM_U32(offSeg, pVCpu->iem.s.iEffSeg, GCPtrEff);
            IEM_MC_FETCH_MEM_U16_DISP(uSel, pVCpu->iem.s.iEffSeg, GCPtrEff, 4);
            IEM_MC_CALL_CIMPL_5(iemCImpl_load_SReg_Greg, uSel, offSeg, iSegRegArg, iGRegArg, enmEffOpSize);
            IEM_MC_END();
            return VINF_SUCCESS;

        case IEMMODE_64BIT:
            IEM_MC_BEGIN(5, 1);
            IEM_MC_ARG(uint16_t,        uSel,                                    0);
            IEM_MC_ARG(uint64_t,        offSeg,                                  1);
            IEM_MC_ARG_CONST(uint8_t,   iSegRegArg,/*=*/iSegReg,                 2);
            IEM_MC_ARG_CONST(uint8_t,   iGRegArg,  /*=*/iGReg,                   3);
            IEM_MC_ARG_CONST(IEMMODE,   enmEffOpSize,/*=*/pVCpu->iem.s.enmEffOpSize, 4);
            IEM_MC_LOCAL(RTGCPTR,       GCPtrEff);
            IEM_MC_CALC_RM_EFF_ADDR(GCPtrEff, bRm, 0);
            IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
            if (IEM_IS_GUEST_CPU_AMD(pVCpu)) /** @todo testcase: rev 3.15 of the amd manuals claims it only loads a 32-bit greg. */
                IEM_MC_FETCH_MEM_U32_SX_U64(offSeg, pVCpu->iem.s.iEffSeg, GCPtrEff);
            else
                IEM_MC_FETCH_MEM_U64(offSeg, pVCpu->iem.s.iEffSeg, GCPtrEff);
            IEM_MC_FETCH_MEM_U16_DISP(uSel, pVCpu->iem.s.iEffSeg, GCPtrEff, 8);
            IEM_MC_CALL_CIMPL_5(iemCImpl_load_SReg_Greg, uSel, offSeg, iSegRegArg, iGRegArg, enmEffOpSize);
            IEM_MC_END();
            return VINF_SUCCESS;

        IEM_NOT_REACHED_DEFAULT_CASE_RET();
    }
}


/** Opcode 0x0f 0xb2. */
FNIEMOP_DEF(iemOp_lss_Gv_Mp)
{
    IEMOP_MNEMONIC(lss_Gv_Mp, "lss Gv,Mp");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
        return IEMOP_RAISE_INVALID_OPCODE();
    return FNIEMOP_CALL_2(iemOpCommonLoadSRegAndGreg, X86_SREG_SS, bRm);
}


/** Opcode 0x0f 0xb3. */
FNIEMOP_DEF(iemOp_btr_Ev_Gv)
{
    IEMOP_MNEMONIC(btr_Ev_Gv, "btr Ev,Gv");
    IEMOP_HLP_MIN_386();
    return FNIEMOP_CALL_1(iemOpCommonBit_Ev_Gv, &g_iemAImpl_btr);
}


/** Opcode 0x0f 0xb4. */
FNIEMOP_DEF(iemOp_lfs_Gv_Mp)
{
    IEMOP_MNEMONIC(lfs_Gv_Mp, "lfs Gv,Mp");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
        return IEMOP_RAISE_INVALID_OPCODE();
    return FNIEMOP_CALL_2(iemOpCommonLoadSRegAndGreg, X86_SREG_FS, bRm);
}


/** Opcode 0x0f 0xb5. */
FNIEMOP_DEF(iemOp_lgs_Gv_Mp)
{
    IEMOP_MNEMONIC(lgs_Gv_Mp, "lgs Gv,Mp");
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
        return IEMOP_RAISE_INVALID_OPCODE();
    return FNIEMOP_CALL_2(iemOpCommonLoadSRegAndGreg, X86_SREG_GS, bRm);
}


/** Opcode 0x0f 0xb6. */
FNIEMOP_DEF(iemOp_movzx_Gv_Eb)
{
    IEMOP_MNEMONIC(movzx_Gv_Eb, "movzx Gv,Eb");
    IEMOP_HLP_MIN_386();

    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /*
     * If rm is denoting a register, no more instruction bytes.
     */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint16_t, u16Value);
                IEM_MC_FETCH_GREG_U8_ZX_U16(u16Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_STORE_GREG_U16(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u16Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint32_t, u32Value);
                IEM_MC_FETCH_GREG_U8_ZX_U32(u32Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint64_t, u64Value);
                IEM_MC_FETCH_GREG_U8_ZX_U64(u64Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        /*
         * We're loading a register from memory.
         */
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(0, 2);
                IEM_MC_LOCAL(uint16_t, u16Value);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_MEM_U8_ZX_U16(u16Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
                IEM_MC_STORE_GREG_U16(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u16Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(0, 2);
                IEM_MC_LOCAL(uint32_t, u32Value);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_MEM_U8_ZX_U32(u32Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
                IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(0, 2);
                IEM_MC_LOCAL(uint64_t, u64Value);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_MEM_U8_ZX_U64(u64Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
                IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
}


/** Opcode 0x0f 0xb7. */
FNIEMOP_DEF(iemOp_movzx_Gv_Ew)
{
    IEMOP_MNEMONIC(movzx_Gv_Ew, "movzx Gv,Ew");
    IEMOP_HLP_MIN_386();

    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Not entirely sure how the operand size prefix is handled here,
     *        assuming that it will be ignored. Would be nice to have a few
     *        test for this. */
    /*
     * If rm is denoting a register, no more instruction bytes.
     */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        if (pVCpu->iem.s.enmEffOpSize != IEMMODE_64BIT)
        {
            IEM_MC_BEGIN(0, 1);
            IEM_MC_LOCAL(uint32_t, u32Value);
            IEM_MC_FETCH_GREG_U16_ZX_U32(u32Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
            IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
        }
        else
        {
            IEM_MC_BEGIN(0, 1);
            IEM_MC_LOCAL(uint64_t, u64Value);
            IEM_MC_FETCH_GREG_U16_ZX_U64(u64Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
            IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
        }
    }
    else
    {
        /*
         * We're loading a register from memory.
         */
        if (pVCpu->iem.s.enmEffOpSize != IEMMODE_64BIT)
        {
            IEM_MC_BEGIN(0, 2);
            IEM_MC_LOCAL(uint32_t, u32Value);
            IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
            IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
            IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
            IEM_MC_FETCH_MEM_U16_ZX_U32(u32Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
            IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
        }
        else
        {
            IEM_MC_BEGIN(0, 2);
            IEM_MC_LOCAL(uint64_t, u64Value);
            IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
            IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
            IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
            IEM_MC_FETCH_MEM_U16_ZX_U64(u64Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
            IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
        }
    }
    return VINF_SUCCESS;
}


/** Opcode      0x0f 0xb8 - JMPE (reserved for emulator on IPF) */
FNIEMOP_UD_STUB(iemOp_jmpe);
/** Opcode 0xf3 0x0f 0xb8 - POPCNT Gv, Ev */
FNIEMOP_STUB(iemOp_popcnt_Gv_Ev);


/**
 * @opcode      0xb9
 * @opinvalid   intel-modrm
 * @optest      ->
 */
FNIEMOP_DEF(iemOp_Grp10)
{
    /*
     * AMD does not decode beyond the 0xb9 whereas intel does the modr/m bit
     * too. See bs3-cpu-decoder-1.c32.  So, we can forward to iemOp_InvalidNeedRM.
     */
    Log(("iemOp_Grp10 aka UD1 -> #UD\n"));
    IEMOP_MNEMONIC2EX(ud1, "ud1", RM, UD1, ud1, Gb, Eb, DISOPTYPE_INVALID, IEMOPHINT_IGNORES_OP_SIZE); /* just picked Gb,Eb here. */
    return FNIEMOP_CALL(iemOp_InvalidNeedRM);
}


/** Opcode 0x0f 0xba. */
FNIEMOP_DEF(iemOp_Grp8)
{
    IEMOP_HLP_MIN_386();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    PCIEMOPBINSIZES pImpl;
    switch ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK)
    {
        case 0: case 1: case 2: case 3:
            /* Both AMD and Intel want full modr/m decoding and imm8. */
            return FNIEMOP_CALL_1(iemOp_InvalidWithRMAllNeedImm8, bRm);
        case 4: pImpl = &g_iemAImpl_bt;  IEMOP_MNEMONIC(bt_Ev_Ib,  "bt  Ev,Ib"); break;
        case 5: pImpl = &g_iemAImpl_bts; IEMOP_MNEMONIC(bts_Ev_Ib, "bts Ev,Ib"); break;
        case 6: pImpl = &g_iemAImpl_btr; IEMOP_MNEMONIC(btr_Ev_Ib, "btr Ev,Ib"); break;
        case 7: pImpl = &g_iemAImpl_btc; IEMOP_MNEMONIC(btc_Ev_Ib, "btc Ev,Ib"); break;
        IEM_NOT_REACHED_DEFAULT_CASE_RET();
    }
    IEMOP_VERIFICATION_UNDEFINED_EFLAGS(X86_EFL_OF | X86_EFL_SF | X86_EFL_ZF | X86_EFL_AF | X86_EFL_PF);

    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /* register destination. */
        uint8_t u8Bit; IEM_OPCODE_GET_NEXT_U8(&u8Bit);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint16_t *,      pu16Dst,                    0);
                IEM_MC_ARG_CONST(uint16_t,  u16Src, /*=*/ u8Bit & 0x0f, 1);
                IEM_MC_ARG(uint32_t *,      pEFlags,                    2);

                IEM_MC_REF_GREG_U16(pu16Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU16, pu16Dst, u16Src, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint32_t *,      pu32Dst,                    0);
                IEM_MC_ARG_CONST(uint32_t,  u32Src, /*=*/ u8Bit & 0x1f, 1);
                IEM_MC_ARG(uint32_t *,      pEFlags,                    2);

                IEM_MC_REF_GREG_U32(pu32Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU32, pu32Dst, u32Src, pEFlags);

                IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint64_t *,      pu64Dst,                    0);
                IEM_MC_ARG_CONST(uint64_t,  u64Src, /*=*/ u8Bit & 0x3f, 1);
                IEM_MC_ARG(uint32_t *,      pEFlags,                    2);

                IEM_MC_REF_GREG_U64(pu64Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU64, pu64Dst, u64Src, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        /* memory destination. */

        uint32_t fAccess;
        if (pImpl->pfnLockedU16)
            fAccess = IEM_ACCESS_DATA_RW;
        else /* BT */
            fAccess = IEM_ACCESS_DATA_R;

        /** @todo test negative bit offsets! */
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(3, 1);
                IEM_MC_ARG(uint16_t *,              pu16Dst,                0);
                IEM_MC_ARG(uint16_t,                u16Src,                 1);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        2);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 1);
                uint8_t u8Bit; IEM_OPCODE_GET_NEXT_U8(&u8Bit);
                IEM_MC_ASSIGN(u16Src, u8Bit & 0x0f);
                if (pImpl->pfnLockedU16)
                    IEMOP_HLP_DONE_DECODING();
                else
                    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_MEM_MAP(pu16Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU16, pu16Dst, u16Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU16, pu16Dst, u16Src, pEFlags);
                IEM_MC_MEM_COMMIT_AND_UNMAP(pu16Dst, fAccess);

                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(3, 1);
                IEM_MC_ARG(uint32_t *,              pu32Dst,                0);
                IEM_MC_ARG(uint32_t,                u32Src,                 1);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        2);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 1);
                uint8_t u8Bit; IEM_OPCODE_GET_NEXT_U8(&u8Bit);
                IEM_MC_ASSIGN(u32Src, u8Bit & 0x1f);
                if (pImpl->pfnLockedU16)
                    IEMOP_HLP_DONE_DECODING();
                else
                    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_MEM_MAP(pu32Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU32, pu32Dst, u32Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU32, pu32Dst, u32Src, pEFlags);
                IEM_MC_MEM_COMMIT_AND_UNMAP(pu32Dst, fAccess);

                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(3, 1);
                IEM_MC_ARG(uint64_t *,              pu64Dst,                0);
                IEM_MC_ARG(uint64_t,                u64Src,                 1);
                IEM_MC_ARG_LOCAL_EFLAGS(            pEFlags, EFlags,        2);
                IEM_MC_LOCAL(RTGCPTR,               GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 1);
                uint8_t u8Bit; IEM_OPCODE_GET_NEXT_U8(&u8Bit);
                IEM_MC_ASSIGN(u64Src, u8Bit & 0x3f);
                if (pImpl->pfnLockedU16)
                    IEMOP_HLP_DONE_DECODING();
                else
                    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_EFLAGS(EFlags);
                IEM_MC_MEM_MAP(pu64Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU64, pu64Dst, u64Src, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU64, pu64Dst, u64Src, pEFlags);
                IEM_MC_MEM_COMMIT_AND_UNMAP(pu64Dst, fAccess);

                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
}


/** Opcode 0x0f 0xbb. */
FNIEMOP_DEF(iemOp_btc_Ev_Gv)
{
    IEMOP_MNEMONIC(btc_Ev_Gv, "btc Ev,Gv");
    IEMOP_HLP_MIN_386();
    return FNIEMOP_CALL_1(iemOpCommonBit_Ev_Gv, &g_iemAImpl_btc);
}


/** Opcode 0x0f 0xbc. */
FNIEMOP_DEF(iemOp_bsf_Gv_Ev)
{
    IEMOP_MNEMONIC(bsf_Gv_Ev, "bsf Gv,Ev");
    IEMOP_HLP_MIN_386();
    IEMOP_VERIFICATION_UNDEFINED_EFLAGS(X86_EFL_OF | X86_EFL_SF | X86_EFL_AF | X86_EFL_PF | X86_EFL_CF);
    return FNIEMOP_CALL_1(iemOpHlpBinaryOperator_rv_rm, &g_iemAImpl_bsf);
}


/** Opcode 0xf3 0x0f 0xbc - TZCNT Gv, Ev */
FNIEMOP_STUB(iemOp_tzcnt_Gv_Ev);


/** Opcode 0x0f 0xbd. */
FNIEMOP_DEF(iemOp_bsr_Gv_Ev)
{
    IEMOP_MNEMONIC(bsr_Gv_Ev, "bsr Gv,Ev");
    IEMOP_HLP_MIN_386();
    IEMOP_VERIFICATION_UNDEFINED_EFLAGS(X86_EFL_OF | X86_EFL_SF | X86_EFL_AF | X86_EFL_PF | X86_EFL_CF);
    return FNIEMOP_CALL_1(iemOpHlpBinaryOperator_rv_rm, &g_iemAImpl_bsr);
}


/** Opcode 0xf3 0x0f 0xbd - LZCNT Gv, Ev */
FNIEMOP_STUB(iemOp_lzcnt_Gv_Ev);


/** Opcode 0x0f 0xbe. */
FNIEMOP_DEF(iemOp_movsx_Gv_Eb)
{
    IEMOP_MNEMONIC(movsx_Gv_Eb, "movsx Gv,Eb");
    IEMOP_HLP_MIN_386();

    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /*
     * If rm is denoting a register, no more instruction bytes.
     */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint16_t, u16Value);
                IEM_MC_FETCH_GREG_U8_SX_U16(u16Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_STORE_GREG_U16(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u16Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint32_t, u32Value);
                IEM_MC_FETCH_GREG_U8_SX_U32(u32Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(0, 1);
                IEM_MC_LOCAL(uint64_t, u64Value);
                IEM_MC_FETCH_GREG_U8_SX_U64(u64Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        /*
         * We're loading a register from memory.
         */
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(0, 2);
                IEM_MC_LOCAL(uint16_t, u16Value);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_MEM_U8_SX_U16(u16Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
                IEM_MC_STORE_GREG_U16(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u16Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(0, 2);
                IEM_MC_LOCAL(uint32_t, u32Value);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_MEM_U8_SX_U32(u32Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
                IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(0, 2);
                IEM_MC_LOCAL(uint64_t, u64Value);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                IEM_MC_FETCH_MEM_U8_SX_U64(u64Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
                IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
}


/** Opcode 0x0f 0xbf. */
FNIEMOP_DEF(iemOp_movsx_Gv_Ew)
{
    IEMOP_MNEMONIC(movsx_Gv_Ew, "movsx Gv,Ew");
    IEMOP_HLP_MIN_386();

    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /** @todo Not entirely sure how the operand size prefix is handled here,
     *        assuming that it will be ignored. Would be nice to have a few
     *        test for this. */
    /*
     * If rm is denoting a register, no more instruction bytes.
     */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        if (pVCpu->iem.s.enmEffOpSize != IEMMODE_64BIT)
        {
            IEM_MC_BEGIN(0, 1);
            IEM_MC_LOCAL(uint32_t, u32Value);
            IEM_MC_FETCH_GREG_U16_SX_U32(u32Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
            IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
        }
        else
        {
            IEM_MC_BEGIN(0, 1);
            IEM_MC_LOCAL(uint64_t, u64Value);
            IEM_MC_FETCH_GREG_U16_SX_U64(u64Value, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
            IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
        }
    }
    else
    {
        /*
         * We're loading a register from memory.
         */
        if (pVCpu->iem.s.enmEffOpSize != IEMMODE_64BIT)
        {
            IEM_MC_BEGIN(0, 2);
            IEM_MC_LOCAL(uint32_t, u32Value);
            IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
            IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
            IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
            IEM_MC_FETCH_MEM_U16_SX_U32(u32Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
            IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
        }
        else
        {
            IEM_MC_BEGIN(0, 2);
            IEM_MC_LOCAL(uint64_t, u64Value);
            IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
            IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
            IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
            IEM_MC_FETCH_MEM_U16_SX_U64(u64Value, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
            IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64Value);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
        }
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0xc0. */
FNIEMOP_DEF(iemOp_xadd_Eb_Gb)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    IEMOP_HLP_MIN_486();
    IEMOP_MNEMONIC(xadd_Eb_Gb, "xadd Eb,Gb");

    /*
     * If rm is denoting a register, no more instruction bytes.
     */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        IEM_MC_BEGIN(3, 0);
        IEM_MC_ARG(uint8_t *,  pu8Dst,  0);
        IEM_MC_ARG(uint8_t *,  pu8Reg,  1);
        IEM_MC_ARG(uint32_t *, pEFlags, 2);

        IEM_MC_REF_GREG_U8(pu8Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_REF_GREG_U8(pu8Reg, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_EFLAGS(pEFlags);
        IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u8, pu8Dst, pu8Reg, pEFlags);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * We're accessing memory.
         */
        IEM_MC_BEGIN(3, 3);
        IEM_MC_ARG(uint8_t *,   pu8Dst,          0);
        IEM_MC_ARG(uint8_t *,   pu8Reg,          1);
        IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 2);
        IEM_MC_LOCAL(uint8_t,  u8RegCopy);
        IEM_MC_LOCAL(RTGCPTR,  GCPtrEffDst);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEM_MC_MEM_MAP(pu8Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /*arg*/);
        IEM_MC_FETCH_GREG_U8(u8RegCopy, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_LOCAL(pu8Reg, u8RegCopy);
        IEM_MC_FETCH_EFLAGS(EFlags);
        if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
            IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u8, pu8Dst, pu8Reg, pEFlags);
        else
            IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u8_locked, pu8Dst, pu8Reg, pEFlags);

        IEM_MC_MEM_COMMIT_AND_UNMAP(pu8Dst, IEM_ACCESS_DATA_RW);
        IEM_MC_COMMIT_EFLAGS(EFlags);
        IEM_MC_STORE_GREG_U8(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u8RegCopy);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
        return VINF_SUCCESS;
    }
    return VINF_SUCCESS;
}


/** Opcode 0x0f 0xc1. */
FNIEMOP_DEF(iemOp_xadd_Ev_Gv)
{
    IEMOP_MNEMONIC(xadd_Ev_Gv, "xadd Ev,Gv");
    IEMOP_HLP_MIN_486();
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /*
     * If rm is denoting a register, no more instruction bytes.
     */
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();

        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint16_t *, pu16Dst,  0);
                IEM_MC_ARG(uint16_t *, pu16Reg,  1);
                IEM_MC_ARG(uint32_t *, pEFlags, 2);

                IEM_MC_REF_GREG_U16(pu16Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_GREG_U16(pu16Reg, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u16, pu16Dst, pu16Reg, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint32_t *, pu32Dst,  0);
                IEM_MC_ARG(uint32_t *, pu32Reg,  1);
                IEM_MC_ARG(uint32_t *, pEFlags, 2);

                IEM_MC_REF_GREG_U32(pu32Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_GREG_U32(pu32Reg, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u32, pu32Dst, pu32Reg, pEFlags);

                IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
                IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Reg);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(3, 0);
                IEM_MC_ARG(uint64_t *, pu64Dst,  0);
                IEM_MC_ARG(uint64_t *, pu64Reg,  1);
                IEM_MC_ARG(uint32_t *, pEFlags, 2);

                IEM_MC_REF_GREG_U64(pu64Dst, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
                IEM_MC_REF_GREG_U64(pu64Reg, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_EFLAGS(pEFlags);
                IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u64, pu64Dst, pu64Reg, pEFlags);

                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
    else
    {
        /*
         * We're accessing memory.
         */
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_16BIT:
                IEM_MC_BEGIN(3, 3);
                IEM_MC_ARG(uint16_t *,  pu16Dst,         0);
                IEM_MC_ARG(uint16_t *,  pu16Reg,         1);
                IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 2);
                IEM_MC_LOCAL(uint16_t,  u16RegCopy);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEM_MC_MEM_MAP(pu16Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /*arg*/);
                IEM_MC_FETCH_GREG_U16(u16RegCopy, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_LOCAL(pu16Reg, u16RegCopy);
                IEM_MC_FETCH_EFLAGS(EFlags);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u16, pu16Dst, pu16Reg, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u16_locked, pu16Dst, pu16Reg, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu16Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_STORE_GREG_U16(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u16RegCopy);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_32BIT:
                IEM_MC_BEGIN(3, 3);
                IEM_MC_ARG(uint32_t *,  pu32Dst,         0);
                IEM_MC_ARG(uint32_t *,  pu32Reg,         1);
                IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 2);
                IEM_MC_LOCAL(uint32_t,  u32RegCopy);
                IEM_MC_LOCAL(RTGCPTR,   GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEM_MC_MEM_MAP(pu32Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /*arg*/);
                IEM_MC_FETCH_GREG_U32(u32RegCopy, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_LOCAL(pu32Reg, u32RegCopy);
                IEM_MC_FETCH_EFLAGS(EFlags);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u32, pu32Dst, pu32Reg, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u32_locked, pu32Dst, pu32Reg, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu32Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_STORE_GREG_U32(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u32RegCopy);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(3, 3);
                IEM_MC_ARG(uint64_t *,  pu64Dst,         0);
                IEM_MC_ARG(uint64_t *,  pu64Reg,         1);
                IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 2);
                IEM_MC_LOCAL(uint64_t,  u64RegCopy);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEM_MC_MEM_MAP(pu64Dst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /*arg*/);
                IEM_MC_FETCH_GREG_U64(u64RegCopy, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_REF_LOCAL(pu64Reg, u64RegCopy);
                IEM_MC_FETCH_EFLAGS(EFlags);
                if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                    IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u64, pu64Dst, pu64Reg, pEFlags);
                else
                    IEM_MC_CALL_VOID_AIMPL_3(iemAImpl_xadd_u64_locked, pu64Dst, pu64Reg, pEFlags);

                IEM_MC_MEM_COMMIT_AND_UNMAP(pu64Dst, IEM_ACCESS_DATA_RW);
                IEM_MC_COMMIT_EFLAGS(EFlags);
                IEM_MC_STORE_GREG_U64(((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg, u64RegCopy);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                return VINF_SUCCESS;

            IEM_NOT_REACHED_DEFAULT_CASE_RET();
        }
    }
}


/** Opcode      0x0f 0xc2 - cmpps Vps,Wps,Ib */
FNIEMOP_STUB(iemOp_cmpps_Vps_Wps_Ib);
/** Opcode 0x66 0x0f 0xc2 - cmppd Vpd,Wpd,Ib */
FNIEMOP_STUB(iemOp_cmppd_Vpd_Wpd_Ib);
/** Opcode 0xf3 0x0f 0xc2 - cmpss Vss,Wss,Ib */
FNIEMOP_STUB(iemOp_cmpss_Vss_Wss_Ib);
/** Opcode 0xf2 0x0f 0xc2 - cmpsd Vsd,Wsd,Ib */
FNIEMOP_STUB(iemOp_cmpsd_Vsd_Wsd_Ib);


/** Opcode 0x0f 0xc3. */
FNIEMOP_DEF(iemOp_movnti_My_Gy)
{
    IEMOP_MNEMONIC(movnti_My_Gy, "movnti My,Gy");

    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    /* Only the register -> memory form makes sense, assuming #UD for the other form. */
    if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
    {
        switch (pVCpu->iem.s.enmEffOpSize)
        {
            case IEMMODE_32BIT:
                IEM_MC_BEGIN(0, 2);
                IEM_MC_LOCAL(uint32_t, u32Value);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fSse2)
                    return IEMOP_RAISE_INVALID_OPCODE();

                IEM_MC_FETCH_GREG_U32(u32Value, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_STORE_MEM_U32(pVCpu->iem.s.iEffSeg, GCPtrEffDst, u32Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                break;

            case IEMMODE_64BIT:
                IEM_MC_BEGIN(0, 2);
                IEM_MC_LOCAL(uint64_t, u64Value);
                IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);

                IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
                IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
                if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fSse2)
                    return IEMOP_RAISE_INVALID_OPCODE();

                IEM_MC_FETCH_GREG_U64(u64Value, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
                IEM_MC_STORE_MEM_U64(pVCpu->iem.s.iEffSeg, GCPtrEffDst, u64Value);
                IEM_MC_ADVANCE_RIP();
                IEM_MC_END();
                break;

            case IEMMODE_16BIT:
                /** @todo check this form.   */
                return IEMOP_RAISE_INVALID_OPCODE();
        }
    }
    else
        return IEMOP_RAISE_INVALID_OPCODE();
    return VINF_SUCCESS;
}
/*  Opcode 0x66 0x0f 0xc3 - invalid */
/*  Opcode 0xf3 0x0f 0xc3 - invalid */
/*  Opcode 0xf2 0x0f 0xc3 - invalid */

/** Opcode      0x0f 0xc4 - pinsrw Pq, Ry/Mw,Ib */
FNIEMOP_STUB(iemOp_pinsrw_Pq_RyMw_Ib);
/** Opcode 0x66 0x0f 0xc4 - pinsrw Vdq, Ry/Mw,Ib */
FNIEMOP_STUB(iemOp_pinsrw_Vdq_RyMw_Ib);
/*  Opcode 0xf3 0x0f 0xc4 - invalid */
/*  Opcode 0xf2 0x0f 0xc4 - invalid */

/** Opcode      0x0f 0xc5 - pextrw Gd, Nq, Ib */
FNIEMOP_STUB(iemOp_pextrw_Gd_Nq_Ib);
/** Opcode 0x66 0x0f 0xc5 - pextrw Gd, Udq, Ib */
FNIEMOP_STUB(iemOp_pextrw_Gd_Udq_Ib);
/*  Opcode 0xf3 0x0f 0xc5 - invalid */
/*  Opcode 0xf2 0x0f 0xc5 - invalid */

/** Opcode      0x0f 0xc6 - shufps Vps, Wps, Ib */
FNIEMOP_STUB(iemOp_shufps_Vps_Wps_Ib);
/** Opcode 0x66 0x0f 0xc6 - shufpd Vpd, Wpd, Ib */
FNIEMOP_STUB(iemOp_shufpd_Vpd_Wpd_Ib);
/*  Opcode 0xf3 0x0f 0xc6 - invalid */
/*  Opcode 0xf2 0x0f 0xc6 - invalid */


/** Opcode 0x0f 0xc7 !11/1. */
FNIEMOP_DEF_1(iemOp_Grp9_cmpxchg8b_Mq, uint8_t, bRm)
{
    IEMOP_MNEMONIC(cmpxchg8b, "cmpxchg8b Mq");

    IEM_MC_BEGIN(4, 3);
    IEM_MC_ARG(uint64_t *, pu64MemDst,     0);
    IEM_MC_ARG(PRTUINT64U, pu64EaxEdx,     1);
    IEM_MC_ARG(PRTUINT64U, pu64EbxEcx,     2);
    IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 3);
    IEM_MC_LOCAL(RTUINT64U, u64EaxEdx);
    IEM_MC_LOCAL(RTUINT64U, u64EbxEcx);
    IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);

    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
    IEMOP_HLP_DONE_DECODING();
    IEM_MC_MEM_MAP(pu64MemDst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /*arg*/);

    IEM_MC_FETCH_GREG_U32(u64EaxEdx.s.Lo, X86_GREG_xAX);
    IEM_MC_FETCH_GREG_U32(u64EaxEdx.s.Hi, X86_GREG_xDX);
    IEM_MC_REF_LOCAL(pu64EaxEdx, u64EaxEdx);

    IEM_MC_FETCH_GREG_U32(u64EbxEcx.s.Lo, X86_GREG_xBX);
    IEM_MC_FETCH_GREG_U32(u64EbxEcx.s.Hi, X86_GREG_xCX);
    IEM_MC_REF_LOCAL(pu64EbxEcx, u64EbxEcx);

    IEM_MC_FETCH_EFLAGS(EFlags);
    if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
        IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg8b, pu64MemDst, pu64EaxEdx, pu64EbxEcx, pEFlags);
    else
        IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg8b_locked, pu64MemDst, pu64EaxEdx, pu64EbxEcx, pEFlags);

    IEM_MC_MEM_COMMIT_AND_UNMAP(pu64MemDst, IEM_ACCESS_DATA_RW);
    IEM_MC_COMMIT_EFLAGS(EFlags);
    IEM_MC_IF_EFL_BIT_NOT_SET(X86_EFL_ZF)
        /** @todo Testcase: Check effect of cmpxchg8b on bits 63:32 in rax and rdx. */
        IEM_MC_STORE_GREG_U32(X86_GREG_xAX, u64EaxEdx.s.Lo);
        IEM_MC_STORE_GREG_U32(X86_GREG_xDX, u64EaxEdx.s.Hi);
    IEM_MC_ENDIF();
    IEM_MC_ADVANCE_RIP();

    IEM_MC_END();
    return VINF_SUCCESS;
}


/** Opcode REX.W 0x0f 0xc7 !11/1. */
FNIEMOP_DEF_1(iemOp_Grp9_cmpxchg16b_Mdq, uint8_t, bRm)
{
    IEMOP_MNEMONIC(cmpxchg16b, "cmpxchg16b Mdq");
    if (IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fMovCmpXchg16b)
    {
#if 0
        RT_NOREF(bRm);
        IEMOP_BITCH_ABOUT_STUB();
        return VERR_IEM_INSTR_NOT_IMPLEMENTED;
#else
        IEM_MC_BEGIN(4, 3);
        IEM_MC_ARG(PRTUINT128U, pu128MemDst,     0);
        IEM_MC_ARG(PRTUINT128U, pu128RaxRdx,     1);
        IEM_MC_ARG(PRTUINT128U, pu128RbxRcx,     2);
        IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 3);
        IEM_MC_LOCAL(RTUINT128U, u128RaxRdx);
        IEM_MC_LOCAL(RTUINT128U, u128RbxRcx);
        IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
        IEMOP_HLP_DONE_DECODING();
        IEM_MC_RAISE_GP0_IF_EFF_ADDR_UNALIGNED(GCPtrEffDst, 16);
        IEM_MC_MEM_MAP(pu128MemDst, IEM_ACCESS_DATA_RW, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /*arg*/);

        IEM_MC_FETCH_GREG_U64(u128RaxRdx.s.Lo, X86_GREG_xAX);
        IEM_MC_FETCH_GREG_U64(u128RaxRdx.s.Hi, X86_GREG_xDX);
        IEM_MC_REF_LOCAL(pu128RaxRdx, u128RaxRdx);

        IEM_MC_FETCH_GREG_U64(u128RbxRcx.s.Lo, X86_GREG_xBX);
        IEM_MC_FETCH_GREG_U64(u128RbxRcx.s.Hi, X86_GREG_xCX);
        IEM_MC_REF_LOCAL(pu128RbxRcx, u128RbxRcx);

        IEM_MC_FETCH_EFLAGS(EFlags);
# ifdef RT_ARCH_AMD64
        if (IEM_GET_HOST_CPU_FEATURES(pVCpu)->fMovCmpXchg16b)
        {
            if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
                IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg16b, pu128MemDst, pu128RaxRdx, pu128RbxRcx, pEFlags);
            else
                IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg16b_locked, pu128MemDst, pu128RaxRdx, pu128RbxRcx, pEFlags);
        }
        else
# endif
        {
            /* Note! The fallback for 32-bit systems and systems without CX16 is multiple
                     accesses and not all all atomic, which works fine on in UNI CPU guest
                     configuration (ignoring DMA).  If guest SMP is active we have no choice
                     but to use a rendezvous callback here.  Sigh. */
            if (pVCpu->CTX_SUFF(pVM)->cCpus == 1)
                IEM_MC_CALL_VOID_AIMPL_4(iemAImpl_cmpxchg16b_fallback, pu128MemDst, pu128RaxRdx, pu128RbxRcx, pEFlags);
            else
            {
                IEM_MC_CALL_CIMPL_4(iemCImpl_cmpxchg16b_fallback_rendezvous, pu128MemDst, pu128RaxRdx, pu128RbxRcx, pEFlags);
                /* Does not get here, tail code is duplicated in iemCImpl_cmpxchg16b_fallback_rendezvous. */
            }
        }

        IEM_MC_MEM_COMMIT_AND_UNMAP(pu128MemDst, IEM_ACCESS_DATA_RW);
        IEM_MC_COMMIT_EFLAGS(EFlags);
        IEM_MC_IF_EFL_BIT_NOT_SET(X86_EFL_ZF)
            IEM_MC_STORE_GREG_U64(X86_GREG_xAX, u128RaxRdx.s.Lo);
            IEM_MC_STORE_GREG_U64(X86_GREG_xDX, u128RaxRdx.s.Hi);
        IEM_MC_ENDIF();
        IEM_MC_ADVANCE_RIP();

        IEM_MC_END();
        return VINF_SUCCESS;
#endif
    }
    Log(("cmpxchg16b -> #UD\n"));
    return IEMOP_RAISE_INVALID_OPCODE();
}

FNIEMOP_DEF_1(iemOp_Grp9_cmpxchg8bOr16b, uint8_t, bRm)
{
    if (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_SIZE_REX_W)
        return FNIEMOP_CALL_1(iemOp_Grp9_cmpxchg16b_Mdq, bRm);
    return FNIEMOP_CALL_1(iemOp_Grp9_cmpxchg8b_Mq, bRm);
}

/** Opcode 0x0f 0xc7 11/6. */
FNIEMOP_UD_STUB_1(iemOp_Grp9_rdrand_Rv, uint8_t, bRm);

/** Opcode 0x0f 0xc7 !11/6. */
FNIEMOP_UD_STUB_1(iemOp_Grp9_vmptrld_Mq, uint8_t, bRm);

/** Opcode 0x66 0x0f 0xc7 !11/6. */
FNIEMOP_UD_STUB_1(iemOp_Grp9_vmclear_Mq, uint8_t, bRm);

/** Opcode 0xf3 0x0f 0xc7 !11/6. */
FNIEMOP_UD_STUB_1(iemOp_Grp9_vmxon_Mq, uint8_t, bRm);

/** Opcode [0xf3] 0x0f 0xc7 !11/7. */
FNIEMOP_UD_STUB_1(iemOp_Grp9_vmptrst_Mq, uint8_t, bRm);

/** Opcode 0x0f 0xc7 11/7. */
FNIEMOP_UD_STUB_1(iemOp_Grp9_rdseed_Rv, uint8_t, bRm);


/**
 * Group 9 jump table for register variant.
 */
IEM_STATIC const PFNIEMOPRM g_apfnGroup9RegReg[] =
{   /* pfx:  none,                          066h,                           0f3h,                           0f2h */
    /* /0 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /1 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /2 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /3 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /4 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /5 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /6 */ iemOp_Grp9_rdrand_Rv,          iemOp_Grp9_rdrand_Rv,           iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
    /* /7 */ iemOp_Grp9_rdseed_Rv,          iemOp_Grp9_rdseed_Rv,           iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
};
AssertCompile(RT_ELEMENTS(g_apfnGroup9RegReg) == 8*4);


/**
 * Group 9 jump table for memory variant.
 */
IEM_STATIC const PFNIEMOPRM g_apfnGroup9MemReg[] =
{   /* pfx:  none,                          066h,                           0f3h,                           0f2h */
    /* /0 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /1 */ iemOp_Grp9_cmpxchg8bOr16b,     iemOp_Grp9_cmpxchg8bOr16b,      iemOp_Grp9_cmpxchg8bOr16b,      iemOp_Grp9_cmpxchg8bOr16b, /* see bs3-cpu-decoding-1 */
    /* /2 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /3 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /4 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /5 */ IEMOP_X4(iemOp_InvalidWithRM),
    /* /6 */ iemOp_Grp9_vmptrld_Mq,         iemOp_Grp9_vmclear_Mq,          iemOp_Grp9_vmxon_Mq,            iemOp_InvalidWithRM,
    /* /7 */ iemOp_Grp9_vmptrst_Mq,         iemOp_InvalidWithRM,            iemOp_InvalidWithRM,            iemOp_InvalidWithRM,
};
AssertCompile(RT_ELEMENTS(g_apfnGroup9MemReg) == 8*4);


/** Opcode 0x0f 0xc7. */
FNIEMOP_DEF(iemOp_Grp9)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
        /* register, register */
        return FNIEMOP_CALL_1(g_apfnGroup9RegReg[ ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) * 4
                                                 + pVCpu->iem.s.idxPrefix], bRm);
    /* memory, register */
    return FNIEMOP_CALL_1(g_apfnGroup9MemReg[ ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) * 4
                                             + pVCpu->iem.s.idxPrefix], bRm);
}


/**
 * Common 'bswap register' helper.
 */
FNIEMOP_DEF_1(iemOpCommonBswapGReg, uint8_t, iReg)
{
    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    switch (pVCpu->iem.s.enmEffOpSize)
    {
        case IEMMODE_16BIT:
            IEM_MC_BEGIN(1, 0);
            IEM_MC_ARG(uint32_t *,  pu32Dst, 0);
            IEM_MC_REF_GREG_U32(pu32Dst, iReg);     /* Don't clear the high dword! */
            IEM_MC_CALL_VOID_AIMPL_1(iemAImpl_bswap_u16, pu32Dst);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
            return VINF_SUCCESS;

        case IEMMODE_32BIT:
            IEM_MC_BEGIN(1, 0);
            IEM_MC_ARG(uint32_t *,  pu32Dst, 0);
            IEM_MC_REF_GREG_U32(pu32Dst, iReg);
            IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
            IEM_MC_CALL_VOID_AIMPL_1(iemAImpl_bswap_u32, pu32Dst);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
            return VINF_SUCCESS;

        case IEMMODE_64BIT:
            IEM_MC_BEGIN(1, 0);
            IEM_MC_ARG(uint64_t *,  pu64Dst, 0);
            IEM_MC_REF_GREG_U64(pu64Dst, iReg);
            IEM_MC_CALL_VOID_AIMPL_1(iemAImpl_bswap_u64, pu64Dst);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
            return VINF_SUCCESS;

        IEM_NOT_REACHED_DEFAULT_CASE_RET();
    }
}


/** Opcode 0x0f 0xc8. */
FNIEMOP_DEF(iemOp_bswap_rAX_r8)
{
    IEMOP_MNEMONIC(bswap_rAX_r8, "bswap rAX/r8");
    /* Note! Intel manuals states that R8-R15 can be accessed by using a REX.X
             prefix.  REX.B is the correct prefix it appears.  For a parallel
             case, see iemOp_mov_AL_Ib and iemOp_mov_eAX_Iv. */
    IEMOP_HLP_MIN_486();
    return FNIEMOP_CALL_1(iemOpCommonBswapGReg, X86_GREG_xAX | pVCpu->iem.s.uRexB);
}


/** Opcode 0x0f 0xc9. */
FNIEMOP_DEF(iemOp_bswap_rCX_r9)
{
    IEMOP_MNEMONIC(bswap_rCX_r9, "bswap rCX/r9");
    IEMOP_HLP_MIN_486();
    return FNIEMOP_CALL_1(iemOpCommonBswapGReg, X86_GREG_xCX | pVCpu->iem.s.uRexB);
}


/** Opcode 0x0f 0xca. */
FNIEMOP_DEF(iemOp_bswap_rDX_r10)
{
    IEMOP_MNEMONIC(bswap_rDX_r9, "bswap rDX/r9");
    IEMOP_HLP_MIN_486();
    return FNIEMOP_CALL_1(iemOpCommonBswapGReg, X86_GREG_xDX | pVCpu->iem.s.uRexB);
}


/** Opcode 0x0f 0xcb. */
FNIEMOP_DEF(iemOp_bswap_rBX_r11)
{
    IEMOP_MNEMONIC(bswap_rBX_r9, "bswap rBX/r9");
    IEMOP_HLP_MIN_486();
    return FNIEMOP_CALL_1(iemOpCommonBswapGReg, X86_GREG_xBX | pVCpu->iem.s.uRexB);
}


/** Opcode 0x0f 0xcc. */
FNIEMOP_DEF(iemOp_bswap_rSP_r12)
{
    IEMOP_MNEMONIC(bswap_rSP_r12, "bswap rSP/r12");
    IEMOP_HLP_MIN_486();
    return FNIEMOP_CALL_1(iemOpCommonBswapGReg, X86_GREG_xSP | pVCpu->iem.s.uRexB);
}


/** Opcode 0x0f 0xcd. */
FNIEMOP_DEF(iemOp_bswap_rBP_r13)
{
    IEMOP_MNEMONIC(bswap_rBP_r13, "bswap rBP/r13");
    IEMOP_HLP_MIN_486();
    return FNIEMOP_CALL_1(iemOpCommonBswapGReg, X86_GREG_xBP | pVCpu->iem.s.uRexB);
}


/** Opcode 0x0f 0xce. */
FNIEMOP_DEF(iemOp_bswap_rSI_r14)
{
    IEMOP_MNEMONIC(bswap_rSI_r14, "bswap rSI/r14");
    IEMOP_HLP_MIN_486();
    return FNIEMOP_CALL_1(iemOpCommonBswapGReg, X86_GREG_xSI | pVCpu->iem.s.uRexB);
}


/** Opcode 0x0f 0xcf. */
FNIEMOP_DEF(iemOp_bswap_rDI_r15)
{
    IEMOP_MNEMONIC(bswap_rDI_r15, "bswap rDI/r15");
    IEMOP_HLP_MIN_486();
    return FNIEMOP_CALL_1(iemOpCommonBswapGReg, X86_GREG_xDI | pVCpu->iem.s.uRexB);
}


/*  Opcode      0x0f 0xd0 - invalid */
/** Opcode 0x66 0x0f 0xd0 - addsubpd Vpd, Wpd */
FNIEMOP_STUB(iemOp_addsubpd_Vpd_Wpd);
/*  Opcode 0xf3 0x0f 0xd0 - invalid */
/** Opcode 0xf2 0x0f 0xd0 - addsubps Vps, Wps */
FNIEMOP_STUB(iemOp_addsubps_Vps_Wps);

/** Opcode      0x0f 0xd1 - psrlw Pq, Qq */
FNIEMOP_STUB(iemOp_psrlw_Pq_Qq);
/** Opcode 0x66 0x0f 0xd1 - psrlw Vx, W */
FNIEMOP_STUB(iemOp_psrlw_Vx_W);
/*  Opcode 0xf3 0x0f 0xd1 - invalid */
/*  Opcode 0xf2 0x0f 0xd1 - invalid */

/** Opcode      0x0f 0xd2 - psrld Pq, Qq */
FNIEMOP_STUB(iemOp_psrld_Pq_Qq);
/** Opcode 0x66 0x0f 0xd2 - psrld Vx, Wx */
FNIEMOP_STUB(iemOp_psrld_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xd2 - invalid */
/*  Opcode 0xf2 0x0f 0xd2 - invalid */

/** Opcode      0x0f 0xd3 - psrlq Pq, Qq */
FNIEMOP_STUB(iemOp_psrlq_Pq_Qq);
/** Opcode 0x66 0x0f 0xd3 - psrlq Vx, Wx */
FNIEMOP_STUB(iemOp_psrlq_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xd3 - invalid */
/*  Opcode 0xf2 0x0f 0xd3 - invalid */

/** Opcode      0x0f 0xd4 - paddq Pq, Qq */
FNIEMOP_STUB(iemOp_paddq_Pq_Qq);
/** Opcode 0x66 0x0f 0xd4 - paddq Vx, W */
FNIEMOP_STUB(iemOp_paddq_Vx_W);
/*  Opcode 0xf3 0x0f 0xd4 - invalid */
/*  Opcode 0xf2 0x0f 0xd4 - invalid */

/** Opcode      0x0f 0xd5 - pmullw Pq, Qq */
FNIEMOP_STUB(iemOp_pmullw_Pq_Qq);
/** Opcode 0x66 0x0f 0xd5 - pmullw Vx, Wx */
FNIEMOP_STUB(iemOp_pmullw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xd5 - invalid */
/*  Opcode 0xf2 0x0f 0xd5 - invalid */

/*  Opcode      0x0f 0xd6 - invalid */

/**
 * @opcode      0xd6
 * @oppfx       0x66
 * @opcpuid     sse2
 * @opgroup     og_sse2_pcksclr_datamove
 * @opxcpttype  none
 * @optest      op1=-1 op2=2 -> op1=2
 * @optest      op1=0 op2=-42 -> op1=-42
 */
FNIEMOP_DEF(iemOp_movq_Wq_Vq)
{
    IEMOP_MNEMONIC2(MR, MOVQ, movq, WqZxReg, Vq, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
    {
        /*
         * Register, register.
         */
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint64_t,                  uSrc);

        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE();

        IEM_MC_FETCH_XREG_U64(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_XREG_U64_ZX_U128((bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    else
    {
        /*
         * Memory, register.
         */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U64(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U64(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
    }
    return VINF_SUCCESS;
}


/** Opcode 0xf3 0x0f 0xd6 - movq2dq Vdq, Nq */
FNIEMOP_STUB(iemOp_movq2dq_Vdq_Nq);
/** Opcode 0xf2 0x0f 0xd6 - movdq2q Pq, Uq */
FNIEMOP_STUB(iemOp_movdq2q_Pq_Uq);
#if 0
FNIEMOP_DEF(iemOp_movq_Wq_Vq__movq2dq_Vdq_Nq__movdq2q_Pq_Uq)
{
    /* Docs says register only. */
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);

    switch (pVCpu->iem.s.fPrefixes & (IEM_OP_PRF_SIZE_OP | IEM_OP_PRF_REPNZ | IEM_OP_PRF_REPZ))
    {
        case IEM_OP_PRF_SIZE_OP: /* SSE */
            I E M O P _ M N E M O N I C(movq_Wq_Vq, "movq Wq,Vq");
            IEMOP_HLP_DECODED_NL_2(OP_PMOVMSKB, IEMOPFORM_RM_REG, OP_PARM_Gd, OP_PARM_Vdq, DISOPTYPE_SSE | DISOPTYPE_HARMLESS);
            IEM_MC_BEGIN(2, 0);
            IEM_MC_ARG(uint64_t *,           pDst, 0);
            IEM_MC_ARG(PCRTUINT128U,         pSrc, 1);
            IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
            IEM_MC_PREPARE_SSE_USAGE();
            IEM_MC_REF_GREG_U64(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
            IEM_MC_REF_XREG_U128_CONST(pSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
            IEM_MC_CALL_SSE_AIMPL_2(iemAImpl_pmovmskb_u128, pDst, pSrc);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
            return VINF_SUCCESS;

        case 0: /* MMX */
            I E M O P _ M N E M O N I C(pmovmskb_Gd_Udq, "pmovmskb Gd,Udq");
            IEMOP_HLP_DECODED_NL_2(OP_PMOVMSKB, IEMOPFORM_RM_REG, OP_PARM_Gd, OP_PARM_Vdq, DISOPTYPE_MMX | DISOPTYPE_HARMLESS);
            IEM_MC_BEGIN(2, 0);
            IEM_MC_ARG(uint64_t *,          pDst, 0);
            IEM_MC_ARG(uint64_t const *,    pSrc, 1);
            IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT_CHECK_SSE_OR_MMXEXT();
            IEM_MC_PREPARE_FPU_USAGE();
            IEM_MC_REF_GREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
            IEM_MC_REF_MREG_U64_CONST(pSrc, bRm & X86_MODRM_RM_MASK);
            IEM_MC_CALL_MMX_AIMPL_2(iemAImpl_pmovmskb_u64, pDst, pSrc);
            IEM_MC_ADVANCE_RIP();
            IEM_MC_END();
            return VINF_SUCCESS;

        default:
            return IEMOP_RAISE_INVALID_OPCODE();
    }
}
#endif


/** Opcode      0x0f 0xd7 - pmovmskb Gd, Nq */
FNIEMOP_DEF(iemOp_pmovmskb_Gd_Nq)
{
    /* Note! Taking the lazy approch here wrt the high 32-bits of the GREG. */
    /** @todo testcase: Check that the instruction implicitly clears the high
     *        bits in 64-bit mode.  The REX.W is first necessary when VLMAX > 256
     *        and opcode modifications are made to work with the whole width (not
     *        just 128). */
    IEMOP_MNEMONIC(pmovmskb_Gd_Udq, "pmovmskb Gd,Nq");
    /* Docs says register only. */
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT)) /** @todo test that this is registers only. */
    {
        IEMOP_HLP_DECODED_NL_2(OP_PMOVMSKB, IEMOPFORM_RM_REG, OP_PARM_Gd, OP_PARM_Vdq, DISOPTYPE_MMX | DISOPTYPE_HARMLESS);
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(uint64_t *,          pDst, 0);
        IEM_MC_ARG(uint64_t const *,    pSrc, 1);
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT_CHECK_SSE_OR_MMXEXT();
        IEM_MC_PREPARE_FPU_USAGE();
        IEM_MC_REF_GREG_U64(pDst, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_REF_MREG_U64_CONST(pSrc, bRm & X86_MODRM_RM_MASK);
        IEM_MC_CALL_MMX_AIMPL_2(iemAImpl_pmovmskb_u64, pDst, pSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
        return VINF_SUCCESS;
    }
    return IEMOP_RAISE_INVALID_OPCODE();
}

/** Opcode 0x66 0x0f 0xd7 -  */
FNIEMOP_DEF(iemOp_pmovmskb_Gd_Ux)
{
    /* Note! Taking the lazy approch here wrt the high 32-bits of the GREG. */
    /** @todo testcase: Check that the instruction implicitly clears the high
     *        bits in 64-bit mode.  The REX.W is first necessary when VLMAX > 256
     *        and opcode modifications are made to work with the whole width (not
     *        just 128). */
    IEMOP_MNEMONIC(pmovmskb_Gd_Nq, "vpmovmskb Gd, Ux");
    /* Docs says register only. */
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT)) /** @todo test that this is registers only. */
    {
        IEMOP_HLP_DECODED_NL_2(OP_PMOVMSKB, IEMOPFORM_RM_REG, OP_PARM_Gd, OP_PARM_Vdq, DISOPTYPE_SSE | DISOPTYPE_HARMLESS);
        IEM_MC_BEGIN(2, 0);
        IEM_MC_ARG(uint64_t *,           pDst, 0);
        IEM_MC_ARG(PCRTUINT128U,         pSrc, 1);
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_PREPARE_SSE_USAGE();
        IEM_MC_REF_GREG_U64(pDst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_REF_XREG_U128_CONST(pSrc, (bRm & X86_MODRM_RM_MASK) | pVCpu->iem.s.uRexB);
        IEM_MC_CALL_SSE_AIMPL_2(iemAImpl_pmovmskb_u128, pDst, pSrc);
        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
        return VINF_SUCCESS;
    }
    return IEMOP_RAISE_INVALID_OPCODE();
}

/*  Opcode 0xf3 0x0f 0xd7 - invalid */
/*  Opcode 0xf2 0x0f 0xd7 - invalid */


/** Opcode      0x0f 0xd8 - psubusb Pq, Qq */
FNIEMOP_STUB(iemOp_psubusb_Pq_Qq);
/** Opcode 0x66 0x0f 0xd8 - psubusb Vx, W */
FNIEMOP_STUB(iemOp_psubusb_Vx_W);
/*  Opcode 0xf3 0x0f 0xd8 - invalid */
/*  Opcode 0xf2 0x0f 0xd8 - invalid */

/** Opcode      0x0f 0xd9 - psubusw Pq, Qq */
FNIEMOP_STUB(iemOp_psubusw_Pq_Qq);
/** Opcode 0x66 0x0f 0xd9 - psubusw Vx, Wx */
FNIEMOP_STUB(iemOp_psubusw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xd9 - invalid */
/*  Opcode 0xf2 0x0f 0xd9 - invalid */

/** Opcode      0x0f 0xda - pminub Pq, Qq */
FNIEMOP_STUB(iemOp_pminub_Pq_Qq);
/** Opcode 0x66 0x0f 0xda - pminub Vx, Wx */
FNIEMOP_STUB(iemOp_pminub_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xda - invalid */
/*  Opcode 0xf2 0x0f 0xda - invalid */

/** Opcode      0x0f 0xdb - pand Pq, Qq */
FNIEMOP_STUB(iemOp_pand_Pq_Qq);
/** Opcode 0x66 0x0f 0xdb - pand Vx, W */
FNIEMOP_STUB(iemOp_pand_Vx_W);
/*  Opcode 0xf3 0x0f 0xdb - invalid */
/*  Opcode 0xf2 0x0f 0xdb - invalid */

/** Opcode      0x0f 0xdc - paddusb Pq, Qq */
FNIEMOP_STUB(iemOp_paddusb_Pq_Qq);
/** Opcode 0x66 0x0f 0xdc - paddusb Vx, Wx */
FNIEMOP_STUB(iemOp_paddusb_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xdc - invalid */
/*  Opcode 0xf2 0x0f 0xdc - invalid */

/** Opcode      0x0f 0xdd - paddusw Pq, Qq */
FNIEMOP_STUB(iemOp_paddusw_Pq_Qq);
/** Opcode 0x66 0x0f 0xdd - paddusw Vx, Wx */
FNIEMOP_STUB(iemOp_paddusw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xdd - invalid */
/*  Opcode 0xf2 0x0f 0xdd - invalid */

/** Opcode      0x0f 0xde - pmaxub Pq, Qq */
FNIEMOP_STUB(iemOp_pmaxub_Pq_Qq);
/** Opcode 0x66 0x0f 0xde - pmaxub Vx, W */
FNIEMOP_STUB(iemOp_pmaxub_Vx_W);
/*  Opcode 0xf3 0x0f 0xde - invalid */
/*  Opcode 0xf2 0x0f 0xde - invalid */

/** Opcode      0x0f 0xdf - pandn Pq, Qq */
FNIEMOP_STUB(iemOp_pandn_Pq_Qq);
/** Opcode 0x66 0x0f 0xdf - pandn Vx, Wx */
FNIEMOP_STUB(iemOp_pandn_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xdf - invalid */
/*  Opcode 0xf2 0x0f 0xdf - invalid */

/** Opcode      0x0f 0xe0 - pavgb Pq, Qq */
FNIEMOP_STUB(iemOp_pavgb_Pq_Qq);
/** Opcode 0x66 0x0f 0xe0 - pavgb Vx, Wx */
FNIEMOP_STUB(iemOp_pavgb_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xe0 - invalid */
/*  Opcode 0xf2 0x0f 0xe0 - invalid */

/** Opcode      0x0f 0xe1 - psraw Pq, Qq */
FNIEMOP_STUB(iemOp_psraw_Pq_Qq);
/** Opcode 0x66 0x0f 0xe1 - psraw Vx, W */
FNIEMOP_STUB(iemOp_psraw_Vx_W);
/*  Opcode 0xf3 0x0f 0xe1 - invalid */
/*  Opcode 0xf2 0x0f 0xe1 - invalid */

/** Opcode      0x0f 0xe2 - psrad Pq, Qq */
FNIEMOP_STUB(iemOp_psrad_Pq_Qq);
/** Opcode 0x66 0x0f 0xe2 - psrad Vx, Wx */
FNIEMOP_STUB(iemOp_psrad_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xe2 - invalid */
/*  Opcode 0xf2 0x0f 0xe2 - invalid */

/** Opcode      0x0f 0xe3 - pavgw Pq, Qq */
FNIEMOP_STUB(iemOp_pavgw_Pq_Qq);
/** Opcode 0x66 0x0f 0xe3 - pavgw Vx, Wx */
FNIEMOP_STUB(iemOp_pavgw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xe3 - invalid */
/*  Opcode 0xf2 0x0f 0xe3 - invalid */

/** Opcode      0x0f 0xe4 - pmulhuw Pq, Qq */
FNIEMOP_STUB(iemOp_pmulhuw_Pq_Qq);
/** Opcode 0x66 0x0f 0xe4 - pmulhuw Vx, W */
FNIEMOP_STUB(iemOp_pmulhuw_Vx_W);
/*  Opcode 0xf3 0x0f 0xe4 - invalid */
/*  Opcode 0xf2 0x0f 0xe4 - invalid */

/** Opcode      0x0f 0xe5 - pmulhw Pq, Qq */
FNIEMOP_STUB(iemOp_pmulhw_Pq_Qq);
/** Opcode 0x66 0x0f 0xe5 - pmulhw Vx, Wx */
FNIEMOP_STUB(iemOp_pmulhw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xe5 - invalid */
/*  Opcode 0xf2 0x0f 0xe5 - invalid */

/*  Opcode      0x0f 0xe6 - invalid */
/** Opcode 0x66 0x0f 0xe6 - cvttpd2dq Vx, Wpd */
FNIEMOP_STUB(iemOp_cvttpd2dq_Vx_Wpd);
/** Opcode 0xf3 0x0f 0xe6 - cvtdq2pd Vx, Wpd */
FNIEMOP_STUB(iemOp_cvtdq2pd_Vx_Wpd);
/** Opcode 0xf2 0x0f 0xe6 - cvtpd2dq Vx, Wpd */
FNIEMOP_STUB(iemOp_cvtpd2dq_Vx_Wpd);


/** Opcode      0x0f 0xe7 - movntq Mq, Pq */
FNIEMOP_DEF(iemOp_movntq_Mq_Pq)
{
    IEMOP_MNEMONIC(movntq_Mq_Pq, "movntq Mq,Pq");
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
    {
        /* Register, memory. */
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(uint64_t,                  uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_MMX_RELATED_XCPT();
        IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ();

        IEM_MC_FETCH_MREG_U64(uSrc, (bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK);
        IEM_MC_STORE_MEM_U64(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
        return VINF_SUCCESS;
    }
    /* The register, register encoding is invalid. */
    return IEMOP_RAISE_INVALID_OPCODE();
}

/** Opcode 0x66 0x0f 0xe7 - movntdq Mx, Vx */
FNIEMOP_DEF(iemOp_movntdq_Mx_Vx)
{
    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
    if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
    {
        /* Register, memory. */
        IEMOP_MNEMONIC(movntdq_Mx_Vx, "movntdq Mx,Vx");
        IEM_MC_BEGIN(0, 2);
        IEM_MC_LOCAL(RTUINT128U,                uSrc);
        IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);

        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
        IEM_MC_MAYBE_RAISE_SSE2_RELATED_XCPT();
        IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ();

        IEM_MC_FETCH_XREG_U128(uSrc, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) | pVCpu->iem.s.uRexReg);
        IEM_MC_STORE_MEM_U128_ALIGN_SSE(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uSrc);

        IEM_MC_ADVANCE_RIP();
        IEM_MC_END();
        return VINF_SUCCESS;
    }

    /* The register, register encoding is invalid. */
    return IEMOP_RAISE_INVALID_OPCODE();
}

/*  Opcode 0xf3 0x0f 0xe7 - invalid */
/*  Opcode 0xf2 0x0f 0xe7 - invalid */


/** Opcode      0x0f 0xe8 - psubsb Pq, Qq */
FNIEMOP_STUB(iemOp_psubsb_Pq_Qq);
/** Opcode 0x66 0x0f 0xe8 - psubsb Vx, W */
FNIEMOP_STUB(iemOp_psubsb_Vx_W);
/*  Opcode 0xf3 0x0f 0xe8 - invalid */
/*  Opcode 0xf2 0x0f 0xe8 - invalid */

/** Opcode      0x0f 0xe9 - psubsw Pq, Qq */
FNIEMOP_STUB(iemOp_psubsw_Pq_Qq);
/** Opcode 0x66 0x0f 0xe9 - psubsw Vx, Wx */
FNIEMOP_STUB(iemOp_psubsw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xe9 - invalid */
/*  Opcode 0xf2 0x0f 0xe9 - invalid */

/** Opcode      0x0f 0xea - pminsw Pq, Qq */
FNIEMOP_STUB(iemOp_pminsw_Pq_Qq);
/** Opcode 0x66 0x0f 0xea - pminsw Vx, Wx */
FNIEMOP_STUB(iemOp_pminsw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xea - invalid */
/*  Opcode 0xf2 0x0f 0xea - invalid */

/** Opcode      0x0f 0xeb - por Pq, Qq */
FNIEMOP_STUB(iemOp_por_Pq_Qq);
/** Opcode 0x66 0x0f 0xeb - por Vx, W */
FNIEMOP_STUB(iemOp_por_Vx_W);
/*  Opcode 0xf3 0x0f 0xeb - invalid */
/*  Opcode 0xf2 0x0f 0xeb - invalid */

/** Opcode      0x0f 0xec - paddsb Pq, Qq */
FNIEMOP_STUB(iemOp_paddsb_Pq_Qq);
/** Opcode 0x66 0x0f 0xec - paddsb Vx, Wx */
FNIEMOP_STUB(iemOp_paddsb_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xec - invalid */
/*  Opcode 0xf2 0x0f 0xec - invalid */

/** Opcode      0x0f 0xed - paddsw Pq, Qq */
FNIEMOP_STUB(iemOp_paddsw_Pq_Qq);
/** Opcode 0x66 0x0f 0xed - paddsw Vx, Wx */
FNIEMOP_STUB(iemOp_paddsw_Vx_Wx);
/*  Opcode 0xf3 0x0f 0xed - invalid */
/*  Opcode 0xf2 0x0f 0xed - invalid */

/** Opcode      0x0f 0xee - pmaxsw Pq, Qq */
FNIEMOP_STUB(iemOp_pmaxsw_Pq_Qq);
/** Opcode 0x66 0x0f 0xee - pmaxsw Vx, W */
FNIEMOP_STUB(iemOp_pmaxsw_Vx_W);
/*  Opcode 0xf3 0x0f 0xee - invalid */
/*  Opcode 0xf2 0x0f 0xee - invalid */


/** Opcode      0x0f 0xef - pxor Pq, Qq */
FNIEMOP_DEF(iemOp_pxor_Pq_Qq)
{
    IEMOP_MNEMONIC(pxor, "pxor");
    return FNIEMOP_CALL_1(iemOpCommonMmx_FullFull_To_Full, &g_iemAImpl_pxor);
}

/** Opcode 0x66 0x0f 0xef - pxor Vx, Wx */
FNIEMOP_DEF(iemOp_pxor_Vx_Wx)
{
    IEMOP_MNEMONIC(pxor_Vx_Wx, "pxor");
    return FNIEMOP_CALL_1(iemOpCommonSse2_FullFull_To_Full, &g_iemAImpl_pxor);
}

/*  Opcode 0xf3 0x0f 0xef - invalid */
/*  Opcode 0xf2 0x0f 0xef - invalid */

/*  Opcode      0x0f 0xf0 - invalid */
/*  Opcode 0x66 0x0f 0xf0 - invalid */
/** Opcode 0xf2 0x0f 0xf0 - lddqu Vx, Mx */
FNIEMOP_STUB(iemOp_lddqu_Vx_Mx);

/** Opcode      0x0f 0xf1 - psllw Pq, Qq */
FNIEMOP_STUB(iemOp_psllw_Pq_Qq);
/** Opcode 0x66 0x0f 0xf1 - psllw Vx, W */
FNIEMOP_STUB(iemOp_psllw_Vx_W);
/*  Opcode 0xf2 0x0f 0xf1 - invalid */

/** Opcode      0x0f 0xf2 - pslld Pq, Qq */
FNIEMOP_STUB(iemOp_pslld_Pq_Qq);
/** Opcode 0x66 0x0f 0xf2 - pslld Vx, Wx */
FNIEMOP_STUB(iemOp_pslld_Vx_Wx);
/*  Opcode 0xf2 0x0f 0xf2 - invalid */

/** Opcode      0x0f 0xf3 - psllq Pq, Qq */
FNIEMOP_STUB(iemOp_psllq_Pq_Qq);
/** Opcode 0x66 0x0f 0xf3 - psllq Vx, Wx */
FNIEMOP_STUB(iemOp_psllq_Vx_Wx);
/*  Opcode 0xf2 0x0f 0xf3 - invalid */

/** Opcode      0x0f 0xf4 - pmuludq Pq, Qq */
FNIEMOP_STUB(iemOp_pmuludq_Pq_Qq);
/** Opcode 0x66 0x0f 0xf4 - pmuludq Vx, W */
FNIEMOP_STUB(iemOp_pmuludq_Vx_W);
/*  Opcode 0xf2 0x0f 0xf4 - invalid */

/** Opcode      0x0f 0xf5 - pmaddwd Pq, Qq */
FNIEMOP_STUB(iemOp_pmaddwd_Pq_Qq);
/** Opcode 0x66 0x0f 0xf5 - pmaddwd Vx, Wx */
FNIEMOP_STUB(iemOp_pmaddwd_Vx_Wx);
/*  Opcode 0xf2 0x0f 0xf5 - invalid */

/** Opcode      0x0f 0xf6 - psadbw Pq, Qq */
FNIEMOP_STUB(iemOp_psadbw_Pq_Qq);
/** Opcode 0x66 0x0f 0xf6 - psadbw Vx, Wx */
FNIEMOP_STUB(iemOp_psadbw_Vx_Wx);
/*  Opcode 0xf2 0x0f 0xf6 - invalid */

/** Opcode      0x0f 0xf7 - maskmovq Pq, Nq */
FNIEMOP_STUB(iemOp_maskmovq_Pq_Nq);
/** Opcode 0x66 0x0f 0xf7 - maskmovdqu Vdq, Udq */
FNIEMOP_STUB(iemOp_maskmovdqu_Vdq_Udq);
/*  Opcode 0xf2 0x0f 0xf7 - invalid */

/** Opcode      0x0f 0xf8 - psubb Pq, Qq */
FNIEMOP_STUB(iemOp_psubb_Pq_Qq);
/** Opcode 0x66 0x0f 0xf8 - psubb Vx, W */
FNIEMOP_STUB(iemOp_psubb_Vx_W);
/*  Opcode 0xf2 0x0f 0xf8 - invalid */

/** Opcode      0x0f 0xf9 - psubw Pq, Qq */
FNIEMOP_STUB(iemOp_psubw_Pq_Qq);
/** Opcode 0x66 0x0f 0xf9 - psubw Vx, Wx */
FNIEMOP_STUB(iemOp_psubw_Vx_Wx);
/*  Opcode 0xf2 0x0f 0xf9 - invalid */

/** Opcode      0x0f 0xfa - psubd Pq, Qq */
FNIEMOP_STUB(iemOp_psubd_Pq_Qq);
/** Opcode 0x66 0x0f 0xfa - psubd Vx, Wx */
FNIEMOP_STUB(iemOp_psubd_Vx_Wx);
/*  Opcode 0xf2 0x0f 0xfa - invalid */

/** Opcode      0x0f 0xfb - psubq Pq, Qq */
FNIEMOP_STUB(iemOp_psubq_Pq_Qq);
/** Opcode 0x66 0x0f 0xfb - psubq Vx, W */
FNIEMOP_STUB(iemOp_psubq_Vx_W);
/*  Opcode 0xf2 0x0f 0xfb - invalid */

/** Opcode      0x0f 0xfc - paddb Pq, Qq */
FNIEMOP_STUB(iemOp_paddb_Pq_Qq);
/** Opcode 0x66 0x0f 0xfc - paddb Vx, Wx */
FNIEMOP_STUB(iemOp_paddb_Vx_Wx);
/*  Opcode 0xf2 0x0f 0xfc - invalid */

/** Opcode      0x0f 0xfd - paddw Pq, Qq */
FNIEMOP_STUB(iemOp_paddw_Pq_Qq);
/** Opcode 0x66 0x0f 0xfd - paddw Vx, Wx */
FNIEMOP_STUB(iemOp_paddw_Vx_Wx);
/*  Opcode 0xf2 0x0f 0xfd - invalid */

/** Opcode      0x0f 0xfe - paddd Pq, Qq */
FNIEMOP_STUB(iemOp_paddd_Pq_Qq);
/** Opcode 0x66 0x0f 0xfe - paddd Vx, W */
FNIEMOP_STUB(iemOp_paddd_Vx_W);
/*  Opcode 0xf2 0x0f 0xfe - invalid */


/** Opcode **** 0x0f 0xff - UD0 */
FNIEMOP_DEF(iemOp_ud0)
{
    IEMOP_MNEMONIC(ud0, "ud0");
    if (pVCpu->iem.s.enmCpuVendor == CPUMCPUVENDOR_INTEL)
    {
        uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm); RT_NOREF(bRm);
#ifndef TST_IEM_CHECK_MC
        RTGCPTR      GCPtrEff;
        VBOXSTRICTRC rcStrict = iemOpHlpCalcRmEffAddr(pVCpu, bRm, 0, &GCPtrEff);
        if (rcStrict != VINF_SUCCESS)
            return rcStrict;
#endif
        IEMOP_HLP_DONE_DECODING();
    }
    return IEMOP_RAISE_INVALID_OPCODE();
}



/**
 * Two byte opcode map, first byte 0x0f.
 *
 * @remarks The g_apfnVexMap1 table is currently a subset of this one, so please
 *          check if it needs updating as well when making changes.
 */
IEM_STATIC const PFNIEMOP g_apfnTwoByteMap[] =
{
    /*          no prefix,                  066h prefix                 f3h prefix,                 f2h prefix */
    /* 0x00 */  IEMOP_X4(iemOp_Grp6),
    /* 0x01 */  IEMOP_X4(iemOp_Grp7),
    /* 0x02 */  IEMOP_X4(iemOp_lar_Gv_Ew),
    /* 0x03 */  IEMOP_X4(iemOp_lsl_Gv_Ew),
    /* 0x04 */  IEMOP_X4(iemOp_Invalid),
    /* 0x05 */  IEMOP_X4(iemOp_syscall),
    /* 0x06 */  IEMOP_X4(iemOp_clts),
    /* 0x07 */  IEMOP_X4(iemOp_sysret),
    /* 0x08 */  IEMOP_X4(iemOp_invd),
    /* 0x09 */  IEMOP_X4(iemOp_wbinvd),
    /* 0x0a */  IEMOP_X4(iemOp_Invalid),
    /* 0x0b */  IEMOP_X4(iemOp_ud2),
    /* 0x0c */  IEMOP_X4(iemOp_Invalid),
    /* 0x0d */  IEMOP_X4(iemOp_nop_Ev_GrpP),
    /* 0x0e */  IEMOP_X4(iemOp_femms),
    /* 0x0f */  IEMOP_X4(iemOp_3Dnow),

    /* 0x10 */  iemOp_movups_Vps_Wps,       iemOp_movupd_Vpd_Wpd,      iemOp_movss_Vss_Wss,        iemOp_movsd_Vx_Wsd,
    /* 0x11 */  iemOp_movups_Wps_Vps,       iemOp_movupd_Wpd_Vpd,      iemOp_movss_Wss_Vss,        iemOp_movsd_Wsd_Vsd,
    /* 0x12 */  iemOp_movlps_Vq_Mq__movhlps, iemOp_movlpd_Vq_Mq,       iemOp_movsldup_Vdq_Wdq,     iemOp_movddup_Vdq_Wdq,
    /* 0x13 */  iemOp_movlps_Mq_Vq,         iemOp_movlpd_Mq_Vq,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x14 */  iemOp_unpcklps_Vx_Wx,       iemOp_unpcklpd_Vx_Wx,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x15 */  iemOp_unpckhps_Vx_Wx,       iemOp_unpckhpd_Vx_Wx,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x16 */  iemOp_movhpsv1_Vdq_Mq__movlhps_Vdq_Uq,  iemOp_movhpdv1_Vdq_Mq, iemOp_movshdup_Vx_Wx, iemOp_InvalidNeedRM,
    /* 0x17 */  iemOp_movhpsv1_Mq_Vq,       iemOp_movhpdv1_Mq_Vq,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x18 */  IEMOP_X4(iemOp_prefetch_Grp16),
    /* 0x19 */  IEMOP_X4(iemOp_nop_Ev),
    /* 0x1a */  IEMOP_X4(iemOp_nop_Ev),
    /* 0x1b */  IEMOP_X4(iemOp_nop_Ev),
    /* 0x1c */  IEMOP_X4(iemOp_nop_Ev),
    /* 0x1d */  IEMOP_X4(iemOp_nop_Ev),
    /* 0x1e */  IEMOP_X4(iemOp_nop_Ev),
    /* 0x1f */  IEMOP_X4(iemOp_nop_Ev),

    /* 0x20 */  iemOp_mov_Rd_Cd,            iemOp_mov_Rd_Cd,            iemOp_mov_Rd_Cd,            iemOp_mov_Rd_Cd,
    /* 0x21 */  iemOp_mov_Rd_Dd,            iemOp_mov_Rd_Dd,            iemOp_mov_Rd_Dd,            iemOp_mov_Rd_Dd,
    /* 0x22 */  iemOp_mov_Cd_Rd,            iemOp_mov_Cd_Rd,            iemOp_mov_Cd_Rd,            iemOp_mov_Cd_Rd,
    /* 0x23 */  iemOp_mov_Dd_Rd,            iemOp_mov_Dd_Rd,            iemOp_mov_Dd_Rd,            iemOp_mov_Dd_Rd,
    /* 0x24 */  iemOp_mov_Rd_Td,            iemOp_mov_Rd_Td,            iemOp_mov_Rd_Td,            iemOp_mov_Rd_Td,
    /* 0x25 */  iemOp_Invalid,              iemOp_Invalid,              iemOp_Invalid,              iemOp_Invalid,
    /* 0x26 */  iemOp_mov_Td_Rd,            iemOp_mov_Td_Rd,            iemOp_mov_Td_Rd,            iemOp_mov_Td_Rd,
    /* 0x27 */  iemOp_Invalid,              iemOp_Invalid,              iemOp_Invalid,              iemOp_Invalid,
    /* 0x28 */  iemOp_movaps_Vps_Wps,       iemOp_movapd_Vpd_Wpd,       iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x29 */  iemOp_movaps_Wps_Vps,       iemOp_movapd_Wpd_Vpd,       iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x2a */  iemOp_cvtpi2ps_Vps_Qpi,     iemOp_cvtpi2pd_Vpd_Qpi,     iemOp_cvtsi2ss_Vss_Ey,      iemOp_cvtsi2sd_Vsd_Ey,
    /* 0x2b */  iemOp_movntps_Mps_Vps,      iemOp_movntpd_Mpd_Vpd,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x2c */  iemOp_cvttps2pi_Ppi_Wps,    iemOp_cvttpd2pi_Ppi_Wpd,    iemOp_cvttss2si_Gy_Wss,     iemOp_cvttsd2si_Gy_Wsd,
    /* 0x2d */  iemOp_cvtps2pi_Ppi_Wps,     iemOp_cvtpd2pi_Qpi_Wpd,     iemOp_cvtss2si_Gy_Wss,      iemOp_cvtsd2si_Gy_Wsd,
    /* 0x2e */  iemOp_ucomiss_Vss_Wss,      iemOp_ucomisd_Vsd_Wsd,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x2f */  iemOp_comiss_Vss_Wss,       iemOp_comisd_Vsd_Wsd,       iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,

    /* 0x30 */  IEMOP_X4(iemOp_wrmsr),
    /* 0x31 */  IEMOP_X4(iemOp_rdtsc),
    /* 0x32 */  IEMOP_X4(iemOp_rdmsr),
    /* 0x33 */  IEMOP_X4(iemOp_rdpmc),
    /* 0x34 */  IEMOP_X4(iemOp_sysenter),
    /* 0x35 */  IEMOP_X4(iemOp_sysexit),
    /* 0x36 */  IEMOP_X4(iemOp_Invalid),
    /* 0x37 */  IEMOP_X4(iemOp_getsec),
    /* 0x38 */  IEMOP_X4(iemOp_3byte_Esc_0f_38),
    /* 0x39 */  IEMOP_X4(iemOp_InvalidNeed3ByteEscRM),
    /* 0x3a */  IEMOP_X4(iemOp_3byte_Esc_0f_3a),
    /* 0x3b */  IEMOP_X4(iemOp_InvalidNeed3ByteEscRMImm8),
    /* 0x3c */  IEMOP_X4(iemOp_InvalidNeed3ByteEscRM),
    /* 0x3d */  IEMOP_X4(iemOp_InvalidNeed3ByteEscRM),
    /* 0x3e */  IEMOP_X4(iemOp_InvalidNeed3ByteEscRMImm8),
    /* 0x3f */  IEMOP_X4(iemOp_InvalidNeed3ByteEscRMImm8),

    /* 0x40 */  IEMOP_X4(iemOp_cmovo_Gv_Ev),
    /* 0x41 */  IEMOP_X4(iemOp_cmovno_Gv_Ev),
    /* 0x42 */  IEMOP_X4(iemOp_cmovc_Gv_Ev),
    /* 0x43 */  IEMOP_X4(iemOp_cmovnc_Gv_Ev),
    /* 0x44 */  IEMOP_X4(iemOp_cmove_Gv_Ev),
    /* 0x45 */  IEMOP_X4(iemOp_cmovne_Gv_Ev),
    /* 0x46 */  IEMOP_X4(iemOp_cmovbe_Gv_Ev),
    /* 0x47 */  IEMOP_X4(iemOp_cmovnbe_Gv_Ev),
    /* 0x48 */  IEMOP_X4(iemOp_cmovs_Gv_Ev),
    /* 0x49 */  IEMOP_X4(iemOp_cmovns_Gv_Ev),
    /* 0x4a */  IEMOP_X4(iemOp_cmovp_Gv_Ev),
    /* 0x4b */  IEMOP_X4(iemOp_cmovnp_Gv_Ev),
    /* 0x4c */  IEMOP_X4(iemOp_cmovl_Gv_Ev),
    /* 0x4d */  IEMOP_X4(iemOp_cmovnl_Gv_Ev),
    /* 0x4e */  IEMOP_X4(iemOp_cmovle_Gv_Ev),
    /* 0x4f */  IEMOP_X4(iemOp_cmovnle_Gv_Ev),

    /* 0x50 */  iemOp_movmskps_Gy_Ups,      iemOp_movmskpd_Gy_Upd,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x51 */  iemOp_sqrtps_Vps_Wps,       iemOp_sqrtpd_Vpd_Wpd,       iemOp_sqrtss_Vss_Wss,       iemOp_sqrtsd_Vsd_Wsd,
    /* 0x52 */  iemOp_rsqrtps_Vps_Wps,      iemOp_InvalidNeedRM,        iemOp_rsqrtss_Vss_Wss,      iemOp_InvalidNeedRM,
    /* 0x53 */  iemOp_rcpps_Vps_Wps,        iemOp_InvalidNeedRM,        iemOp_rcpss_Vss_Wss,        iemOp_InvalidNeedRM,
    /* 0x54 */  iemOp_andps_Vps_Wps,        iemOp_andpd_Vpd_Wpd,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x55 */  iemOp_andnps_Vps_Wps,       iemOp_andnpd_Vpd_Wpd,       iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x56 */  iemOp_orps_Vps_Wps,         iemOp_orpd_Vpd_Wpd,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x57 */  iemOp_xorps_Vps_Wps,        iemOp_xorpd_Vpd_Wpd,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x58 */  iemOp_addps_Vps_Wps,        iemOp_addpd_Vpd_Wpd,        iemOp_addss_Vss_Wss,        iemOp_addsd_Vsd_Wsd,
    /* 0x59 */  iemOp_mulps_Vps_Wps,        iemOp_mulpd_Vpd_Wpd,        iemOp_mulss_Vss_Wss,        iemOp_mulsd_Vsd_Wsd,
    /* 0x5a */  iemOp_cvtps2pd_Vpd_Wps,     iemOp_cvtpd2ps_Vps_Wpd,     iemOp_cvtss2sd_Vsd_Wss,     iemOp_cvtsd2ss_Vss_Wsd,
    /* 0x5b */  iemOp_cvtdq2ps_Vps_Wdq,     iemOp_cvtps2dq_Vdq_Wps,     iemOp_cvttps2dq_Vdq_Wps,    iemOp_InvalidNeedRM,
    /* 0x5c */  iemOp_subps_Vps_Wps,        iemOp_subpd_Vpd_Wpd,        iemOp_subss_Vss_Wss,        iemOp_subsd_Vsd_Wsd,
    /* 0x5d */  iemOp_minps_Vps_Wps,        iemOp_minpd_Vpd_Wpd,        iemOp_minss_Vss_Wss,        iemOp_minsd_Vsd_Wsd,
    /* 0x5e */  iemOp_divps_Vps_Wps,        iemOp_divpd_Vpd_Wpd,        iemOp_divss_Vss_Wss,        iemOp_divsd_Vsd_Wsd,
    /* 0x5f */  iemOp_maxps_Vps_Wps,        iemOp_maxpd_Vpd_Wpd,        iemOp_maxss_Vss_Wss,        iemOp_maxsd_Vsd_Wsd,

    /* 0x60 */  iemOp_punpcklbw_Pq_Qd,      iemOp_punpcklbw_Vx_Wx,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x61 */  iemOp_punpcklwd_Pq_Qd,      iemOp_punpcklwd_Vx_Wx,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x62 */  iemOp_punpckldq_Pq_Qd,      iemOp_punpckldq_Vx_Wx,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x63 */  iemOp_packsswb_Pq_Qq,       iemOp_packsswb_Vx_Wx,       iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x64 */  iemOp_pcmpgtb_Pq_Qq,        iemOp_pcmpgtb_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x65 */  iemOp_pcmpgtw_Pq_Qq,        iemOp_pcmpgtw_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x66 */  iemOp_pcmpgtd_Pq_Qq,        iemOp_pcmpgtd_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x67 */  iemOp_packuswb_Pq_Qq,       iemOp_packuswb_Vx_W,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x68 */  iemOp_punpckhbw_Pq_Qd,      iemOp_punpckhbw_Vx_Wx,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x69 */  iemOp_punpckhwd_Pq_Qd,      iemOp_punpckhwd_Vx_Wx,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x6a */  iemOp_punpckhdq_Pq_Qd,      iemOp_punpckhdq_Vx_W,       iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x6b */  iemOp_packssdw_Pq_Qd,       iemOp_packssdw_Vx_Wx,       iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x6c */  iemOp_InvalidNeedRM,        iemOp_punpcklqdq_Vx_Wx,     iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x6d */  iemOp_InvalidNeedRM,        iemOp_punpckhqdq_Vx_W,      iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x6e */  iemOp_movd_q_Pd_Ey,         iemOp_movd_q_Vy_Ey,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x6f */  iemOp_movq_Pq_Qq,           iemOp_movdqa_Vx_Wx,         iemOp_movdqu_Vx_Wx,         iemOp_InvalidNeedRM,

    /* 0x70 */  iemOp_pshufw_Pq_Qq_Ib,      iemOp_pshufd_Vx_Wx_Ib,      iemOp_pshufhw_Vx_Wx_Ib,     iemOp_pshuflw_Vx_Wx_Ib,
    /* 0x71 */  IEMOP_X4(iemOp_Grp12),
    /* 0x72 */  IEMOP_X4(iemOp_Grp13),
    /* 0x73 */  IEMOP_X4(iemOp_Grp14),
    /* 0x74 */  iemOp_pcmpeqb_Pq_Qq,        iemOp_pcmpeqb_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x75 */  iemOp_pcmpeqw_Pq_Qq,        iemOp_pcmpeqw_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x76 */  iemOp_pcmpeqd_Pq_Qq,        iemOp_pcmpeqd_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x77 */  iemOp_emms,                 iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,

    /* 0x78 */  iemOp_vmread_Ey_Gy,         iemOp_AmdGrp17,             iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x79 */  iemOp_vmwrite_Gy_Ey,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x7a */  iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x7b */  iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0x7c */  iemOp_InvalidNeedRM,        iemOp_haddpd_Vpd_Wpd,       iemOp_InvalidNeedRM,        iemOp_haddps_Vps_Wps,
    /* 0x7d */  iemOp_InvalidNeedRM,        iemOp_hsubpd_Vpd_Wpd,       iemOp_InvalidNeedRM,        iemOp_hsubps_Vps_Wps,
    /* 0x7e */  iemOp_movd_q_Ey_Pd,         iemOp_movd_q_Ey_Vy,         iemOp_movq_Vq_Wq,           iemOp_InvalidNeedRM,
    /* 0x7f */  iemOp_movq_Qq_Pq,           iemOp_movdqa_Wx_Vx,         iemOp_movdqu_Wx_Vx,         iemOp_InvalidNeedRM,

    /* 0x80 */  IEMOP_X4(iemOp_jo_Jv),
    /* 0x81 */  IEMOP_X4(iemOp_jno_Jv),
    /* 0x82 */  IEMOP_X4(iemOp_jc_Jv),
    /* 0x83 */  IEMOP_X4(iemOp_jnc_Jv),
    /* 0x84 */  IEMOP_X4(iemOp_je_Jv),
    /* 0x85 */  IEMOP_X4(iemOp_jne_Jv),
    /* 0x86 */  IEMOP_X4(iemOp_jbe_Jv),
    /* 0x87 */  IEMOP_X4(iemOp_jnbe_Jv),
    /* 0x88 */  IEMOP_X4(iemOp_js_Jv),
    /* 0x89 */  IEMOP_X4(iemOp_jns_Jv),
    /* 0x8a */  IEMOP_X4(iemOp_jp_Jv),
    /* 0x8b */  IEMOP_X4(iemOp_jnp_Jv),
    /* 0x8c */  IEMOP_X4(iemOp_jl_Jv),
    /* 0x8d */  IEMOP_X4(iemOp_jnl_Jv),
    /* 0x8e */  IEMOP_X4(iemOp_jle_Jv),
    /* 0x8f */  IEMOP_X4(iemOp_jnle_Jv),

    /* 0x90 */  IEMOP_X4(iemOp_seto_Eb),
    /* 0x91 */  IEMOP_X4(iemOp_setno_Eb),
    /* 0x92 */  IEMOP_X4(iemOp_setc_Eb),
    /* 0x93 */  IEMOP_X4(iemOp_setnc_Eb),
    /* 0x94 */  IEMOP_X4(iemOp_sete_Eb),
    /* 0x95 */  IEMOP_X4(iemOp_setne_Eb),
    /* 0x96 */  IEMOP_X4(iemOp_setbe_Eb),
    /* 0x97 */  IEMOP_X4(iemOp_setnbe_Eb),
    /* 0x98 */  IEMOP_X4(iemOp_sets_Eb),
    /* 0x99 */  IEMOP_X4(iemOp_setns_Eb),
    /* 0x9a */  IEMOP_X4(iemOp_setp_Eb),
    /* 0x9b */  IEMOP_X4(iemOp_setnp_Eb),
    /* 0x9c */  IEMOP_X4(iemOp_setl_Eb),
    /* 0x9d */  IEMOP_X4(iemOp_setnl_Eb),
    /* 0x9e */  IEMOP_X4(iemOp_setle_Eb),
    /* 0x9f */  IEMOP_X4(iemOp_setnle_Eb),

    /* 0xa0 */  IEMOP_X4(iemOp_push_fs),
    /* 0xa1 */  IEMOP_X4(iemOp_pop_fs),
    /* 0xa2 */  IEMOP_X4(iemOp_cpuid),
    /* 0xa3 */  IEMOP_X4(iemOp_bt_Ev_Gv),
    /* 0xa4 */  IEMOP_X4(iemOp_shld_Ev_Gv_Ib),
    /* 0xa5 */  IEMOP_X4(iemOp_shld_Ev_Gv_CL),
    /* 0xa6 */  IEMOP_X4(iemOp_InvalidNeedRM),
    /* 0xa7 */  IEMOP_X4(iemOp_InvalidNeedRM),
    /* 0xa8 */  IEMOP_X4(iemOp_push_gs),
    /* 0xa9 */  IEMOP_X4(iemOp_pop_gs),
    /* 0xaa */  IEMOP_X4(iemOp_rsm),
    /* 0xab */  IEMOP_X4(iemOp_bts_Ev_Gv),
    /* 0xac */  IEMOP_X4(iemOp_shrd_Ev_Gv_Ib),
    /* 0xad */  IEMOP_X4(iemOp_shrd_Ev_Gv_CL),
    /* 0xae */  IEMOP_X4(iemOp_Grp15),
    /* 0xaf */  IEMOP_X4(iemOp_imul_Gv_Ev),

    /* 0xb0 */  IEMOP_X4(iemOp_cmpxchg_Eb_Gb),
    /* 0xb1 */  IEMOP_X4(iemOp_cmpxchg_Ev_Gv),
    /* 0xb2 */  IEMOP_X4(iemOp_lss_Gv_Mp),
    /* 0xb3 */  IEMOP_X4(iemOp_btr_Ev_Gv),
    /* 0xb4 */  IEMOP_X4(iemOp_lfs_Gv_Mp),
    /* 0xb5 */  IEMOP_X4(iemOp_lgs_Gv_Mp),
    /* 0xb6 */  IEMOP_X4(iemOp_movzx_Gv_Eb),
    /* 0xb7 */  IEMOP_X4(iemOp_movzx_Gv_Ew),
    /* 0xb8 */  iemOp_jmpe,                 iemOp_InvalidNeedRM,        iemOp_popcnt_Gv_Ev,         iemOp_InvalidNeedRM,
    /* 0xb9 */  IEMOP_X4(iemOp_Grp10),
    /* 0xba */  IEMOP_X4(iemOp_Grp8),
    /* 0xbb */  IEMOP_X4(iemOp_btc_Ev_Gv), // 0xf3?
    /* 0xbc */  iemOp_bsf_Gv_Ev,            iemOp_bsf_Gv_Ev,            iemOp_tzcnt_Gv_Ev,          iemOp_bsf_Gv_Ev,
    /* 0xbd */  iemOp_bsr_Gv_Ev,            iemOp_bsr_Gv_Ev,            iemOp_lzcnt_Gv_Ev,          iemOp_bsr_Gv_Ev,
    /* 0xbe */  IEMOP_X4(iemOp_movsx_Gv_Eb),
    /* 0xbf */  IEMOP_X4(iemOp_movsx_Gv_Ew),

    /* 0xc0 */  IEMOP_X4(iemOp_xadd_Eb_Gb),
    /* 0xc1 */  IEMOP_X4(iemOp_xadd_Ev_Gv),
    /* 0xc2 */  iemOp_cmpps_Vps_Wps_Ib,     iemOp_cmppd_Vpd_Wpd_Ib,     iemOp_cmpss_Vss_Wss_Ib,     iemOp_cmpsd_Vsd_Wsd_Ib,
    /* 0xc3 */  iemOp_movnti_My_Gy,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xc4 */  iemOp_pinsrw_Pq_RyMw_Ib,    iemOp_pinsrw_Vdq_RyMw_Ib,   iemOp_InvalidNeedRMImm8,    iemOp_InvalidNeedRMImm8,
    /* 0xc5 */  iemOp_pextrw_Gd_Nq_Ib,      iemOp_pextrw_Gd_Udq_Ib,     iemOp_InvalidNeedRMImm8,    iemOp_InvalidNeedRMImm8,
    /* 0xc6 */  iemOp_shufps_Vps_Wps_Ib,    iemOp_shufpd_Vpd_Wpd_Ib,    iemOp_InvalidNeedRMImm8,    iemOp_InvalidNeedRMImm8,
    /* 0xc7 */  IEMOP_X4(iemOp_Grp9),
    /* 0xc8 */  IEMOP_X4(iemOp_bswap_rAX_r8),
    /* 0xc9 */  IEMOP_X4(iemOp_bswap_rCX_r9),
    /* 0xca */  IEMOP_X4(iemOp_bswap_rDX_r10),
    /* 0xcb */  IEMOP_X4(iemOp_bswap_rBX_r11),
    /* 0xcc */  IEMOP_X4(iemOp_bswap_rSP_r12),
    /* 0xcd */  IEMOP_X4(iemOp_bswap_rBP_r13),
    /* 0xce */  IEMOP_X4(iemOp_bswap_rSI_r14),
    /* 0xcf */  IEMOP_X4(iemOp_bswap_rDI_r15),

    /* 0xd0 */  iemOp_InvalidNeedRM,        iemOp_addsubpd_Vpd_Wpd,     iemOp_InvalidNeedRM,        iemOp_addsubps_Vps_Wps,
    /* 0xd1 */  iemOp_psrlw_Pq_Qq,          iemOp_psrlw_Vx_W,           iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xd2 */  iemOp_psrld_Pq_Qq,          iemOp_psrld_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xd3 */  iemOp_psrlq_Pq_Qq,          iemOp_psrlq_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xd4 */  iemOp_paddq_Pq_Qq,          iemOp_paddq_Vx_W,           iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xd5 */  iemOp_pmullw_Pq_Qq,         iemOp_pmullw_Vx_Wx,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xd6 */  iemOp_InvalidNeedRM,        iemOp_movq_Wq_Vq,           iemOp_movq2dq_Vdq_Nq,       iemOp_movdq2q_Pq_Uq,
    /* 0xd7 */  iemOp_pmovmskb_Gd_Nq,       iemOp_pmovmskb_Gd_Ux,       iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xd8 */  iemOp_psubusb_Pq_Qq,        iemOp_psubusb_Vx_W,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xd9 */  iemOp_psubusw_Pq_Qq,        iemOp_psubusw_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xda */  iemOp_pminub_Pq_Qq,         iemOp_pminub_Vx_Wx,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xdb */  iemOp_pand_Pq_Qq,           iemOp_pand_Vx_W,            iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xdc */  iemOp_paddusb_Pq_Qq,        iemOp_paddusb_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xdd */  iemOp_paddusw_Pq_Qq,        iemOp_paddusw_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xde */  iemOp_pmaxub_Pq_Qq,         iemOp_pmaxub_Vx_W,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xdf */  iemOp_pandn_Pq_Qq,          iemOp_pandn_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,

    /* 0xe0 */  iemOp_pavgb_Pq_Qq,          iemOp_pavgb_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xe1 */  iemOp_psraw_Pq_Qq,          iemOp_psraw_Vx_W,           iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xe2 */  iemOp_psrad_Pq_Qq,          iemOp_psrad_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xe3 */  iemOp_pavgw_Pq_Qq,          iemOp_pavgw_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xe4 */  iemOp_pmulhuw_Pq_Qq,        iemOp_pmulhuw_Vx_W,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xe5 */  iemOp_pmulhw_Pq_Qq,         iemOp_pmulhw_Vx_Wx,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xe6 */  iemOp_InvalidNeedRM,        iemOp_cvttpd2dq_Vx_Wpd,     iemOp_cvtdq2pd_Vx_Wpd,      iemOp_cvtpd2dq_Vx_Wpd,
    /* 0xe7 */  iemOp_movntq_Mq_Pq,         iemOp_movntdq_Mx_Vx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xe8 */  iemOp_psubsb_Pq_Qq,         iemOp_psubsb_Vx_W,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xe9 */  iemOp_psubsw_Pq_Qq,         iemOp_psubsw_Vx_Wx,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xea */  iemOp_pminsw_Pq_Qq,         iemOp_pminsw_Vx_Wx,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xeb */  iemOp_por_Pq_Qq,            iemOp_por_Vx_W,             iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xec */  iemOp_paddsb_Pq_Qq,         iemOp_paddsb_Vx_Wx,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xed */  iemOp_paddsw_Pq_Qq,         iemOp_paddsw_Vx_Wx,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xee */  iemOp_pmaxsw_Pq_Qq,         iemOp_pmaxsw_Vx_W,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xef */  iemOp_pxor_Pq_Qq,           iemOp_pxor_Vx_Wx,           iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,

    /* 0xf0 */  iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,        iemOp_lddqu_Vx_Mx,
    /* 0xf1 */  iemOp_psllw_Pq_Qq,          iemOp_psllw_Vx_W,           iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xf2 */  iemOp_pslld_Pq_Qq,          iemOp_pslld_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xf3 */  iemOp_psllq_Pq_Qq,          iemOp_psllq_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xf4 */  iemOp_pmuludq_Pq_Qq,        iemOp_pmuludq_Vx_W,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xf5 */  iemOp_pmaddwd_Pq_Qq,        iemOp_pmaddwd_Vx_Wx,        iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xf6 */  iemOp_psadbw_Pq_Qq,         iemOp_psadbw_Vx_Wx,         iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xf7 */  iemOp_maskmovq_Pq_Nq,       iemOp_maskmovdqu_Vdq_Udq,   iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xf8 */  iemOp_psubb_Pq_Qq,          iemOp_psubb_Vx_W,           iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xf9 */  iemOp_psubw_Pq_Qq,          iemOp_psubw_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xfa */  iemOp_psubd_Pq_Qq,          iemOp_psubd_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xfb */  iemOp_psubq_Pq_Qq,          iemOp_psubq_Vx_W,           iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xfc */  iemOp_paddb_Pq_Qq,          iemOp_paddb_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xfd */  iemOp_paddw_Pq_Qq,          iemOp_paddw_Vx_Wx,          iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xfe */  iemOp_paddd_Pq_Qq,          iemOp_paddd_Vx_W,           iemOp_InvalidNeedRM,        iemOp_InvalidNeedRM,
    /* 0xff */  IEMOP_X4(iemOp_ud0),
};
AssertCompile(RT_ELEMENTS(g_apfnTwoByteMap) == 1024);

/** @} */