    /*
     * Generic 32-bit binary float operation.
     *
     * For: add-fp, sub-fp, mul-fp, div-fp
     */
    /* binop vAA, vBB, vCC */
    movzbl   2(rPC),%eax          # eax<- CC
    movzbl   3(rPC),%ecx          # ecx<- BB
    $load    (rFP,%eax,4)         # vCC to fp stack
    $instr   (rFP,%ecx,4)         # ex: faddp
    FETCH_INST_OPCODE 2 %ecx
    ADVANCE_PC 2
    $store   (rFP,rINST,4)         # %st to vAA
    GOTO_NEXT_R %ecx