U0 OptPass5(CCompCtrl *cc)
{
    CIntermediateCode   *tmpi, *tmpi1;
    I64                  code, i;
    CParseStack         *ps = cc->ps;

    ps->ptr = 0;
    ps->ptr2 = 0;

    tmpi = cc->coc.coc_head.next;
    while (code = tmpi->ic_code)
    {
        if (code >IC_NOP2)
        {
            if (tmpi->ic_flags&ICF_PASS_TRACE) {
                if (Bt(&cc->saved_pass_trace, 5))
                {
                    "%2d:", ps->ptr;
                    ICPut(cc, tmpi);
                }
            }
            if (intermediate_code_table[code].arg_count == IS_V_ARG)
                ps->ptr -= tmpi->ic_data >> 3;
            if (code == IC_PUSH_REGS)
            {
                for (i = 0; i < REG_REGS_NUM; i++)
                    if (Bt(&tmpi->ic_data, i))
                        ps->ptr++;
            }
            else if (code == IC_POP_REGS)
            {
                for (i = 0; i < REG_REGS_NUM; i++)
                    if (Bt(&tmpi->ic_data, i))
                        ps->ptr--;
            }
            if (tmpi->arg2.type & MDF_STACK)
            {
                tmpi1 = ParsePop(ps);
                if (tmpi1->ic_code == IC_MOV || tmpi1->ic_code == IC_REG)
                {
                    if (tmpi1->ic_flags & ICF_RES_TO_INT)
                    {
                        if (tmpi1->arg1.type & MDF_IMM)
                            tmpi1->arg1.disp = tmpi1->arg1.disp(F64);
                        else
                            tmpi->ic_flags |= ICF_ARG2_TO_INT;
                    }
                    else if (tmpi1->ic_flags & ICF_RES_TO_F64)
                    {
                        if (tmpi1->arg1.type & MDF_IMM)
                            tmpi1->arg1.disp(F64) = tmpi1->arg1.disp;
                        else
                            tmpi->ic_flags |= ICF_ARG2_TO_F64;
                    }
                    tmpi->arg2.type = tmpi1->arg1.type & MDG_MASK +
                                MinI64(tmpi->arg2.type.raw_type, MinI64(tmpi1->res.type.raw_type, tmpi1->arg1.type.raw_type));
                    tmpi->arg2.reg = tmpi1->arg1.reg;
                    tmpi->arg2.disp = tmpi1->arg1.disp;
                    tmpi->ic_flags |= tmpi1->ic_flags & ICG_NO_CONVERT_MASK;
                    OptSetNOP2(tmpi1);
                }
            }

            if (tmpi->arg1.type & MDF_STACK)
            {
                tmpi1 = ParsePop(ps);
                if (tmpi1->ic_code == IC_MOV || tmpi1->ic_code == IC_REG)
                {
                    if (tmpi1->ic_flags & ICF_RES_TO_INT)
                    {
                        if (tmpi1->arg1.type & MDF_IMM)
                            tmpi1->arg1.disp = tmpi1->arg1.disp(F64);
                        else
                            tmpi->ic_flags |= ICF_ARG1_TO_INT;
                    }
                    else if (tmpi1->ic_flags & ICF_RES_TO_F64)
                    {
                        if (tmpi1->arg1.type & MDF_IMM)
                        {
                            if (tmpi1->arg1.type & RTF_UNSIGNED)
                                tmpi1->arg1.disp(F64) = tmpi1->arg1.disp(U64);
                            else
                                tmpi1->arg1.disp(F64) = tmpi1->arg1.disp(I64);
                        }
                        else
                            tmpi->ic_flags |= ICF_ARG1_TO_F64;
                    }
                    tmpi->arg1.type = tmpi1->arg1.type & MDG_MASK +
                                MinI64(tmpi->arg1.type.raw_type, MinI64(tmpi1->res.type.raw_type, tmpi1->arg1.type.raw_type));
                    CompMinTypePointed(tmpi, tmpi1->arg1_type_pointed_to);
                    tmpi->arg1.reg = tmpi1->arg1.reg;
                    tmpi->arg1.disp = tmpi1->arg1.disp;
                    tmpi->ic_flags |= tmpi1->ic_flags & ICG_NO_CONVERT_MASK;
                    OptSetNOP2(tmpi1);
                }
            }
            if (tmpi->res.type & MDF_STACK && !(tmpi->ic_flags & ICF_RES_NOT_USED))
                ParsePush(ps, tmpi);
        }
        tmpi = tmpi->next;
    }
    if (ps->ptr > 2)
    {
        "Pass:%d Stack:%08X\n", cc->pass, ps->ptr;
        LexExcept(cc, "Compiler Optimization Error at ");
    }
}