static int
opPUNPCKLDQ_a16(uint32_t fetchdat)
{
    uint32_t usrc;
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_16(fetchdat);
    if (fpu_softfloat) {
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;
        if (cpu_mod == 3) {
            src = *(MMX_REG *)&fpu_state.st_space[cpu_rm].fraction;
            fpu_state.tag = 0;
            fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
            dst.l[1] = src.l[0];
            fpu_state.st_space[cpu_reg].fraction = dst.q;
            fpu_state.st_space[cpu_reg].exp = 0xffff;
            CLOCK_CYCLES(1);
        } else {
            SEG_CHECK_READ(cpu_state.ea_seg);
            src.l[0] = readmeml(easeg, cpu_state.eaaddr);
            if (cpu_state.abrt)
                return 1;
            fpu_state.tag = 0;
            fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
            dst.l[1] = src.l[0];
            fpu_state.st_space[cpu_reg].fraction = dst.q;
            fpu_state.st_space[cpu_reg].exp = 0xffff;
            CLOCK_CYCLES(2);
        }
    } else {
        if (cpu_mod == 3) {
            cpu_state.MM[cpu_reg].l[1] = cpu_state.MM[cpu_rm].l[0];
            CLOCK_CYCLES(1);
        } else {
            SEG_CHECK_READ(cpu_state.ea_seg);
            usrc = readmeml(easeg, cpu_state.eaaddr);
            if (cpu_state.abrt)
                return 0;
            cpu_state.MM[cpu_reg].l[1] = usrc;

            CLOCK_CYCLES(2);
        }
    }
    return 0;
}
static int
opPUNPCKLDQ_a32(uint32_t fetchdat)
{
    uint32_t usrc;
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_32(fetchdat);
    if (fpu_softfloat) {
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;
        if (cpu_mod == 3) {
            src = *(MMX_REG *)&fpu_state.st_space[cpu_rm].fraction;
            fpu_state.tag = 0;
            fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
            dst.l[1] = src.l[0];
            fpu_state.st_space[cpu_reg].fraction = dst.q;
            fpu_state.st_space[cpu_reg].exp = 0xffff;
            CLOCK_CYCLES(1);
        } else {
            SEG_CHECK_READ(cpu_state.ea_seg);
            src.l[0] = readmeml(easeg, cpu_state.eaaddr);
            if (cpu_state.abrt)
                return 1;
            fpu_state.tag = 0;
            fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
            dst.l[1] = src.l[0];
            fpu_state.st_space[cpu_reg].fraction = dst.q;
            fpu_state.st_space[cpu_reg].exp = 0xffff;
            CLOCK_CYCLES(2);
        }
    } else {
        if (cpu_mod == 3) {
            cpu_state.MM[cpu_reg].l[1] = cpu_state.MM[cpu_rm].l[0];
            CLOCK_CYCLES(1);
        } else {
            SEG_CHECK_READ(cpu_state.ea_seg);
            usrc = readmeml(easeg, cpu_state.eaaddr);
            if (cpu_state.abrt)
                return 0;
            cpu_state.MM[cpu_reg].l[1] = usrc;

            CLOCK_CYCLES(2);
        }
    }
    return 0;
}

static int
opPUNPCKHDQ_a16(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_16(fetchdat);
    MMX_GETSRC();
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */

        dst.l[0] = dst.l[1];
        dst.l[1] = src.l[1];

        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].l[0] = cpu_state.MM[cpu_reg].l[1];
        cpu_state.MM[cpu_reg].l[1] = src.l[1];
    }
    return 0;
}
static int
opPUNPCKHDQ_a32(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_32(fetchdat);
    MMX_GETSRC();
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */

        dst.l[0] = dst.l[1];
        dst.l[1] = src.l[1];

        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].l[0] = cpu_state.MM[cpu_reg].l[1];
        cpu_state.MM[cpu_reg].l[1] = src.l[1];
    }
    return 0;
}

static int
opPUNPCKLBW_a16(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_16(fetchdat);
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    MMX_GETSRC();

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.b[7] = src.b[3];
        dst.b[6] = dst.b[3];
        dst.b[5] = src.b[2];
        dst.b[4] = dst.b[2];
        dst.b[3] = src.b[1];
        dst.b[2] = dst.b[1];
        dst.b[1] = src.b[0];
        dst.b[0] = dst.b[0];
        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].b[7] = src.b[3];
        cpu_state.MM[cpu_reg].b[6] = cpu_state.MM[cpu_reg].b[3];
        cpu_state.MM[cpu_reg].b[5] = src.b[2];
        cpu_state.MM[cpu_reg].b[4] = cpu_state.MM[cpu_reg].b[2];
        cpu_state.MM[cpu_reg].b[3] = src.b[1];
        cpu_state.MM[cpu_reg].b[2] = cpu_state.MM[cpu_reg].b[1];
        cpu_state.MM[cpu_reg].b[1] = src.b[0];
        cpu_state.MM[cpu_reg].b[0] = cpu_state.MM[cpu_reg].b[0];
    }
    return 0;
}
static int
opPUNPCKLBW_a32(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_32(fetchdat);
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    MMX_GETSRC();

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.b[7] = src.b[3];
        dst.b[6] = dst.b[3];
        dst.b[5] = src.b[2];
        dst.b[4] = dst.b[2];
        dst.b[3] = src.b[1];
        dst.b[2] = dst.b[1];
        dst.b[1] = src.b[0];
        dst.b[0] = dst.b[0];
        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].b[7] = src.b[3];
        cpu_state.MM[cpu_reg].b[6] = cpu_state.MM[cpu_reg].b[3];
        cpu_state.MM[cpu_reg].b[5] = src.b[2];
        cpu_state.MM[cpu_reg].b[4] = cpu_state.MM[cpu_reg].b[2];
        cpu_state.MM[cpu_reg].b[3] = src.b[1];
        cpu_state.MM[cpu_reg].b[2] = cpu_state.MM[cpu_reg].b[1];
        cpu_state.MM[cpu_reg].b[1] = src.b[0];
        cpu_state.MM[cpu_reg].b[0] = cpu_state.MM[cpu_reg].b[0];
    }
    return 0;
}

static int
opPUNPCKHBW_a16(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_16(fetchdat);
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    MMX_GETSRC();

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.b[0] = dst.b[4];
        dst.b[1] = src.b[4];
        dst.b[2] = dst.b[5];
        dst.b[3] = src.b[5];
        dst.b[4] = dst.b[6];
        dst.b[5] = src.b[6];
        dst.b[6] = dst.b[7];
        dst.b[7] = src.b[7];
        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].b[0] = cpu_state.MM[cpu_reg].b[4];
        cpu_state.MM[cpu_reg].b[1] = src.b[4];
        cpu_state.MM[cpu_reg].b[2] = cpu_state.MM[cpu_reg].b[5];
        cpu_state.MM[cpu_reg].b[3] = src.b[5];
        cpu_state.MM[cpu_reg].b[4] = cpu_state.MM[cpu_reg].b[6];
        cpu_state.MM[cpu_reg].b[5] = src.b[6];
        cpu_state.MM[cpu_reg].b[6] = cpu_state.MM[cpu_reg].b[7];
        cpu_state.MM[cpu_reg].b[7] = src.b[7];
    }
    return 0;
}
static int
opPUNPCKHBW_a32(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_32(fetchdat);
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    MMX_GETSRC();

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.b[0] = dst.b[4];
        dst.b[1] = src.b[4];
        dst.b[2] = dst.b[5];
        dst.b[3] = src.b[5];
        dst.b[4] = dst.b[6];
        dst.b[5] = src.b[6];
        dst.b[6] = dst.b[7];
        dst.b[7] = src.b[7];
        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].b[0] = cpu_state.MM[cpu_reg].b[4];
        cpu_state.MM[cpu_reg].b[1] = src.b[4];
        cpu_state.MM[cpu_reg].b[2] = cpu_state.MM[cpu_reg].b[5];
        cpu_state.MM[cpu_reg].b[3] = src.b[5];
        cpu_state.MM[cpu_reg].b[4] = cpu_state.MM[cpu_reg].b[6];
        cpu_state.MM[cpu_reg].b[5] = src.b[6];
        cpu_state.MM[cpu_reg].b[6] = cpu_state.MM[cpu_reg].b[7];
        cpu_state.MM[cpu_reg].b[7] = src.b[7];
    }
    return 0;
}

static int
opPUNPCKLWD_a16(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_16(fetchdat);
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    MMX_GETSRC();

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.w[3] = src.w[1];
        dst.w[2] = dst.w[1];
        dst.w[1] = src.w[0];
        dst.w[0] = dst.w[0];
        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].w[3] = src.w[1];
        cpu_state.MM[cpu_reg].w[2] = cpu_state.MM[cpu_reg].w[1];
        cpu_state.MM[cpu_reg].w[1] = src.w[0];
        cpu_state.MM[cpu_reg].w[0] = cpu_state.MM[cpu_reg].w[0];
    }
    return 0;
}
static int
opPUNPCKLWD_a32(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_32(fetchdat);
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    MMX_GETSRC();

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.w[3] = src.w[1];
        dst.w[2] = dst.w[1];
        dst.w[1] = src.w[0];
        dst.w[0] = dst.w[0];
        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].w[3] = src.w[1];
        cpu_state.MM[cpu_reg].w[2] = cpu_state.MM[cpu_reg].w[1];
        cpu_state.MM[cpu_reg].w[1] = src.w[0];
        cpu_state.MM[cpu_reg].w[0] = cpu_state.MM[cpu_reg].w[0];
    }
    return 0;
}

static int
opPUNPCKHWD_a16(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_16(fetchdat);
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    MMX_GETSRC();

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.w[0] = dst.w[2];
        dst.w[1] = src.w[2];
        dst.w[2] = dst.w[3];
        dst.w[3] = src.w[3];
        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].w[0] = cpu_state.MM[cpu_reg].w[2];
        cpu_state.MM[cpu_reg].w[1] = src.w[2];
        cpu_state.MM[cpu_reg].w[2] = cpu_state.MM[cpu_reg].w[3];
        cpu_state.MM[cpu_reg].w[3] = src.w[3];
    }
    return 0;
}
static int
opPUNPCKHWD_a32(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_32(fetchdat);
    if (fpu_softfloat)
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

    MMX_GETSRC();

    if (fpu_softfloat) {
        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.w[0] = dst.w[2];
        dst.w[1] = src.w[2];
        dst.w[2] = dst.w[3];
        dst.w[3] = src.w[3];
        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        cpu_state.MM[cpu_reg].w[0] = cpu_state.MM[cpu_reg].w[2];
        cpu_state.MM[cpu_reg].w[1] = src.w[2];
        cpu_state.MM[cpu_reg].w[2] = cpu_state.MM[cpu_reg].w[3];
        cpu_state.MM[cpu_reg].w[3] = src.w[3];
    }
    return 0;
}

static int
opPACKSSWB_a16(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_16(fetchdat);
    MMX_GETSRC();

    if (fpu_softfloat) {
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.sb[0] = SSATB(dst.sw[0]);
        dst.sb[1] = SSATB(dst.sw[1]);
        dst.sb[2] = SSATB(dst.sw[2]);
        dst.sb[3] = SSATB(dst.sw[3]);
        dst.sb[4] = SSATB(src.sw[0]);
        dst.sb[5] = SSATB(src.sw[1]);
        dst.sb[6] = SSATB(src.sw[2]);
        dst.sb[7] = SSATB(src.sw[3]);

        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        dst = cpu_state.MM[cpu_reg];

        cpu_state.MM[cpu_reg].sb[0] = SSATB(dst.sw[0]);
        cpu_state.MM[cpu_reg].sb[1] = SSATB(dst.sw[1]);
        cpu_state.MM[cpu_reg].sb[2] = SSATB(dst.sw[2]);
        cpu_state.MM[cpu_reg].sb[3] = SSATB(dst.sw[3]);
        cpu_state.MM[cpu_reg].sb[4] = SSATB(src.sw[0]);
        cpu_state.MM[cpu_reg].sb[5] = SSATB(src.sw[1]);
        cpu_state.MM[cpu_reg].sb[6] = SSATB(src.sw[2]);
        cpu_state.MM[cpu_reg].sb[7] = SSATB(src.sw[3]);
    }
    return 0;
}
static int
opPACKSSWB_a32(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_32(fetchdat);
    MMX_GETSRC();

    if (fpu_softfloat) {
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.sb[0] = SSATB(dst.sw[0]);
        dst.sb[1] = SSATB(dst.sw[1]);
        dst.sb[2] = SSATB(dst.sw[2]);
        dst.sb[3] = SSATB(dst.sw[3]);
        dst.sb[4] = SSATB(src.sw[0]);
        dst.sb[5] = SSATB(src.sw[1]);
        dst.sb[6] = SSATB(src.sw[2]);
        dst.sb[7] = SSATB(src.sw[3]);

        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        dst = cpu_state.MM[cpu_reg];

        cpu_state.MM[cpu_reg].sb[0] = SSATB(dst.sw[0]);
        cpu_state.MM[cpu_reg].sb[1] = SSATB(dst.sw[1]);
        cpu_state.MM[cpu_reg].sb[2] = SSATB(dst.sw[2]);
        cpu_state.MM[cpu_reg].sb[3] = SSATB(dst.sw[3]);
        cpu_state.MM[cpu_reg].sb[4] = SSATB(src.sw[0]);
        cpu_state.MM[cpu_reg].sb[5] = SSATB(src.sw[1]);
        cpu_state.MM[cpu_reg].sb[6] = SSATB(src.sw[2]);
        cpu_state.MM[cpu_reg].sb[7] = SSATB(src.sw[3]);
    }
    return 0;
}

static int
opPACKUSWB_a16(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_16(fetchdat);
    MMX_GETSRC();

    if (fpu_softfloat) {
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.b[0] = USATB(dst.sw[0]);
        dst.b[1] = USATB(dst.sw[1]);
        dst.b[2] = USATB(dst.sw[2]);
        dst.b[3] = USATB(dst.sw[3]);
        dst.b[4] = USATB(src.sw[0]);
        dst.b[5] = USATB(src.sw[1]);
        dst.b[6] = USATB(src.sw[2]);
        dst.b[7] = USATB(src.sw[3]);

        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        dst = cpu_state.MM[cpu_reg];

        cpu_state.MM[cpu_reg].b[0] = USATB(dst.sw[0]);
        cpu_state.MM[cpu_reg].b[1] = USATB(dst.sw[1]);
        cpu_state.MM[cpu_reg].b[2] = USATB(dst.sw[2]);
        cpu_state.MM[cpu_reg].b[3] = USATB(dst.sw[3]);
        cpu_state.MM[cpu_reg].b[4] = USATB(src.sw[0]);
        cpu_state.MM[cpu_reg].b[5] = USATB(src.sw[1]);
        cpu_state.MM[cpu_reg].b[6] = USATB(src.sw[2]);
        cpu_state.MM[cpu_reg].b[7] = USATB(src.sw[3]);
    }
    return 0;
}
static int
opPACKUSWB_a32(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_32(fetchdat);
    MMX_GETSRC();

    if (fpu_softfloat) {
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */
        dst.b[0] = USATB(dst.sw[0]);
        dst.b[1] = USATB(dst.sw[1]);
        dst.b[2] = USATB(dst.sw[2]);
        dst.b[3] = USATB(dst.sw[3]);
        dst.b[4] = USATB(src.sw[0]);
        dst.b[5] = USATB(src.sw[1]);
        dst.b[6] = USATB(src.sw[2]);
        dst.b[7] = USATB(src.sw[3]);

        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        dst = cpu_state.MM[cpu_reg];

        cpu_state.MM[cpu_reg].b[0] = USATB(dst.sw[0]);
        cpu_state.MM[cpu_reg].b[1] = USATB(dst.sw[1]);
        cpu_state.MM[cpu_reg].b[2] = USATB(dst.sw[2]);
        cpu_state.MM[cpu_reg].b[3] = USATB(dst.sw[3]);
        cpu_state.MM[cpu_reg].b[4] = USATB(src.sw[0]);
        cpu_state.MM[cpu_reg].b[5] = USATB(src.sw[1]);
        cpu_state.MM[cpu_reg].b[6] = USATB(src.sw[2]);
        cpu_state.MM[cpu_reg].b[7] = USATB(src.sw[3]);
    }
    return 0;
}

static int
opPACKSSDW_a16(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_16(fetchdat);
    MMX_GETSRC();

    if (fpu_softfloat) {
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */

        dst.sw[0] = SSATW(dst.sl[0]);
        dst.sw[1] = SSATW(dst.sl[1]);
        dst.sw[2] = SSATW(src.sl[0]);
        dst.sw[3] = SSATW(src.sl[1]);

        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        dst = cpu_state.MM[cpu_reg];

        cpu_state.MM[cpu_reg].sw[0] = SSATW(dst.sl[0]);
        cpu_state.MM[cpu_reg].sw[1] = SSATW(dst.sl[1]);
        cpu_state.MM[cpu_reg].sw[2] = SSATW(src.sl[0]);
        cpu_state.MM[cpu_reg].sw[3] = SSATW(src.sl[1]);
    }
    return 0;
}
static int
opPACKSSDW_a32(uint32_t fetchdat)
{
    MMX_REG src, dst;
    MMX_ENTER();

    fetch_ea_32(fetchdat);
    MMX_GETSRC();

    if (fpu_softfloat) {
        dst = *(MMX_REG *)&fpu_state.st_space[cpu_reg].fraction;

        fpu_state.tag = 0;
        fpu_state.tos = 0; /* reset FPU Top-Of-Stack */

        dst.sw[0] = SSATW(dst.sl[0]);
        dst.sw[1] = SSATW(dst.sl[1]);
        dst.sw[2] = SSATW(src.sl[0]);
        dst.sw[3] = SSATW(src.sl[1]);

        fpu_state.st_space[cpu_reg].fraction = dst.q;
        fpu_state.st_space[cpu_reg].exp = 0xffff;
    } else {
        dst = cpu_state.MM[cpu_reg];

        cpu_state.MM[cpu_reg].sw[0] = SSATW(dst.sl[0]);
        cpu_state.MM[cpu_reg].sw[1] = SSATW(dst.sl[1]);
        cpu_state.MM[cpu_reg].sw[2] = SSATW(src.sl[0]);
        cpu_state.MM[cpu_reg].sw[3] = SSATW(src.sl[1]);
    }
    return 0;
}